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222results about How to "Realize clamping positioning" patented technology
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Automatic bamboo breaking machine
ActiveCN107150393APrecise deliveryAccurate control of coordinated operationWood splittingBio-packagingControl systemControl engineering
The invention relates to an automatic bamboo breaking machine. The automatic bamboo breaking machine comprises a feeding device, a clamping and positioning device, a bamboo breaking pushing disk device, a tool rotating disk device, an output device and a control system. The feeding device and the clamping and positioning device are located on the two sides of one end of the bamboo breaking pushing disk device. The tool rotating disk device is located on the front part of the end, close to the feeding device and the clamping and positioning device, of the bamboo breaking pushing disk device, and the output device is located on the tail part of the tool rotating disk device. The control system controls the feeding device, the clamping and positioning device, the bamboo breaking pushing disk device, the tool rotating disk device and the output device to run in a cooperative manner. The automatic bamboo breaking machine has the beneficial effects that the bamboo breaking machine can accurately control cooperative running of the devices, a bamboo tube is conveyed and positioned reliably, the bamboo tube can be accurately cut into bamboo canes, the finally cut bamboo canes can be conveyed out, the automation degree is relatively high, and the production efficiency is improved.
Owner:GUANGXI NORMAL UNIV
Positioning tool for volute air outlet machining
ActiveCN105817922ARealize clamping positioningImprove rigidityPositioning apparatusMetal-working holdersEngineeringMachining
The invention discloses a positioning tool for volute air outlet machining. The positioning tool comprises a base plate, a chuck is arranged in the middle position of the base plate, a first positioning clamping jaw, a second positioning clamping jaw and a tightening clamping jaw are connected to the chuck in a sliding manner, the first positioning clamping jaw, the second positioning clamping jaw and the tightening clamping jaw are all of columnar structures, the height of the first positioning clamping jaw is equal to the height of the second positioning clamping jaw, and the height of the first positioning clamping jaw and the height of the second positioning clamping jaw are both larger than the height of the tightening clamping jaw; a positioning base is arranged on one side, located on the chuck, of the base plate, a sliding groove is formed in the positioning base in the horizontal direction, and a positioning block is connected through a sliding block in a sliding manner; the positioning block is provided with a first positioning pin and a second positioning pin, the base plate is provided with a support, and the support is provided with a corner pressing plate used for compressing and fixing a workpiece; and the corner pressing plate is provided with a corner pressing head, and the base plate is further provided with a first clamping mechanism, a second clamping mechanism and a third clamping mechanism. The positioning tool has the beneficial effects of being good in stiffness and convenient to position.
Owner:WUXI YELONG PRECISION MACHINERY
Clamping deformation resistant jig for machining large-diameter elbow
InactiveCN102139457AGuaranteed machining accuracyAbundant resourcesPositioning apparatusMetal-working holdersThin walledEngineering
The invention discloses a clamping deformation resistant jig for machining a large-diameter elbow. Three combined clamping blocks are arranged on a clamping base plate, each combined clamping block consists of an upper clamping block, a lower clamping block, a base plate and connecting bolts, inner sides of the upper clamping blocks and the lower clamping blocks are provided with circular arc-shaped gaps and form a circle consistent with the outer circumference of an elbow to be machined after closed, the upper clamping blocks and the lower clamping blocks are connected and fastened by the connecting bolts, and the base plates are arranged at the bottoms of the lower clamping blocks and are provided with chutes. Lock bolts pass through the chutes on the base plates of the combined clamping blocks and fix the combined clamping blocks on the clamping base plate after being fastened. In the invention, the large-diameter elbow is clamped by adopting a way of directly clamping a pipe blank in a surface-contact manner, thus the elbow does not generate a radial compaction force in the clamping process and is not easy to generate the radial forced deformation and the torsional moment; in addition, the clamping deformation resistant jig disclosed by the invention is applied to machining of a large-diameter thin-wall elbow machine, thereby ensuring the machining precision of the elbow.
Owner:扬州华宇管件有限公司
Numerical control center sill combined drilling machine
InactiveCN101934390ASmooth transmissionAccurate locationTransportation and packagingPositioning apparatusEngineeringMachine tool
The invention discloses a numerical control center sill combined drilling machine, which comprises a gantry main body, a lathe bed, side bases, conveying sticks, a fixture, a chip cleaner and a chip collecting box. The technical key points are that: two longitudinal ends of the lathe bed are fully symmetrically arranged; two longitudinal sides of the two-end gantry main body are provided with the side bases; each of the side bases is provided with a three-dimensional numerical control sliding table which is provided with a single spindle box; a longitudinal center line of the two-end gantry main body is uniformly provided with at least two conveying sticks; and each of the conveying sticks is at least provided with a connecting motor. The numerical control center sill combined drilling machine has the advantages of simple mechanical structure, rational configuration of processing elements and power and mechanisms, convenient production operation and maintenance, coordinate variable control scheme, improvement of equipment production flexibility, creation of favorable conditions for future production of various products, improvement of the pollution on field working environment due to hydraulic systems and cooling systems, aerosol cooling and chip cleaning, improvement of the pollution on the working environment, multipoint positioning and clamping, and guarantee of the reliability and the stability of machining precision.
Owner:SHENYANG XINGYE MACHINE TOOL
Novel functional flexible clamp and application method thereof
ActiveCN107322347AVersatileEnergy savingPositioning apparatusMaintainance and safety accessoriesPhysicsMagneto
Owner:HEBEI UNIV OF TECH
Bevel gear ultrasonic automatic detection device and method
PendingCN107991390ARealize internal defect scanning at different depthsRealize full area coverage detectionAnalysing solids using sonic/ultrasonic/infrasonic wavesMotor driveLongitudinal wave
The invention discloses a bevel gear ultrasonic automatic detection device and a bevel gear ultrasonic automatic detection method. The bevel gear ultrasonic automatic detection device comprises a workpiece rotating positioning device; the axis of a bevel gear can be positioned by a three-claw chuck; a pushing cylinder drives a push head to move to realize positioning and clamping of the bevel gear; a motor drives the three-claw chuck to rotate to realize rotation of the bevel gear; a sliding device is fixedly arranged above the positioning rotating device through a supporting frame; and a detection device for ultrasonic detection is arranged on a connecting plate below the sliding device. By adoption of the bevel gear ultrasonic automatic detection device, ultrasonic automatic detection ofthe bevel gear can be realized; the device adopts a layered array longitudinal wave straight probe to perform flaw detection on the surface of a workpiece, utilizes probes with different frequency todetect different depths of the work piece, can detect the internal defects of the workpiece accurately and effectively, can realize workpiece all-region coverage detection through rotation of the workpiece and movement of the probe, and has high detection efficiency.
Owner:CHINA THREE GORGES UNIV
Compound pipe longitudinal joint automatic welding device
InactiveCN105127541AAchieve axial positioningImprove continuityTubular articlesSoldering auxillary devicesKey pressingControl system
The invention relates to the technical field of welding, in particular to a compound pipe longitudinal joint automatic welding device which mainly comprises a double welding gun movement mechanism, a control system, welding power supplies and a welding fixture. The double welding gun movement mechanism is composed of a movable platform, a left welding gun, a right welding gun and a cross sliding frame, wherein the two welding guns are provided with wire feeding mechanisms and welding power supplies respectively. The control system is located on the left side of the welding fixture, and the two welding power supplies are connected with the control system. The welding fixture comprises a welding front-rear symmetric supporting device, a lower supporting device, a supporting mandrel, a pneumatic key pressing device and a precision movement sliding rail. According to the welding device, a double metal compound pipe longitudinal joint with a diameter of 200-500 mm, a length of 1800 mm and a thickness of 4-7 mm can be clamped quickly and reliably, the control system can finish welding device control, welding track planning, welding parameter setting and welding process monitoring, and the double metal compound pipe longitudinal joint is automatically welded.
Owner:JIANGSU JIANGHAI MACHINE TOOLS GROUP
Full automatic jujube pit remover
Owner:GUILIN UNIVERSITY OF TECHNOLOGY
Spring type split block structure positioning clamp of free curve surface work pieces
InactiveCN101804606AHigh positioning accuracyRealize clamping positioningWork holdersBlock structureMechanical engineering
The invention provides a spring type split block structure positioning clamp of free curve surface work pieces, which relates to a positioning clamp. The invention provides the spring type split block structure positioning clamp, in particular to the spring type split block structure positioning clamp of free curve surface work pieces, which has the advantages of good realization universality, large installing and clamping dimension, higher positioning precision and convenient use. The spring type split block structure positioning clamp is provided with a base, an upper cover plate, a top needle, a load spring, a left support frame, a right support frame, a top needle clamping frame, a reset spring, a locking screw and a fixed top block, wherein the upper cover plate is arranged on the base, the top needle passes through the load spring to be arranged on the upper cover plate, both the left support frame and the right support frame are fixed on the base, the top needle clamping frame is arranged in the left support frame and the right support frame, the reset spring is arranged between the top needle clamping frame and the right support frame, and the locking screw is arranged on the base. When the locking screw is tightly screwed, the top needle clamping frame can be pushed to move to the right side, and the reset spring is compressed. When the locking screw is unscrewed, the compressed reset spring can push the top needle clamping frame back to the left side. The fixed top block is arranged on the upper cover plate through screws.
Owner:XIAMEN UNIV
Completed surface part clamping installation device
InactiveCN104476243ASolve clamping installation problemsReasonable structural designPositioning apparatusMetal-working holdersSoftware engineeringElectrical discharge machining
The invention discloses a completed surface part clamping installation device. The completed surface part clamping installation device comprises a base, a positioning plate, a pressuring plate, a top plate, a fixing handle compressing screw and a smooth surface pressuring block; the positioning plate is fixed at the front end of the base; one end of the pressing plate is flexibly connected to a clamping groove in one side of the base; the other end of the pressing plate is fixed on a clamping groove in the other side of the base in an adjustable mode; the top plate is fixed at the rear end of the base; the fixing handle compressing screw sleeves the top plate; the smooth surface pressing block is fixed at the front end of the fixing handle compressing screw. The completed surface part clamping installation device is reasonable in structural design, rapid in manufacturing speed, convenient and safe to use and firm in product fixation and solves the problem of clamping and installation of a completed surface part in electrical discharging machining.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Architecture locating device for bogie parameter test bench
InactiveCN102944433ARealize clamping positioningReasonable structural designRailway vehicle testingBogieEngineering
The invention discloses an architecture locating device for a bogie parameter test bench. The architecture locating device for the bogie parameter test bench is used for solving the problem that the three-direction locating cannot be achieved. The architecture locating device comprises an anti-thrust beam assembly I, an anti-thrust beam assembly II, a transverse counterforce supporting seat I, a transverse counterforce supporting seat II, a transverse counterforce supporting seat III, a transverse counterforce supporting seat IV, a longitudinal-transverse constraint framework, a vertical locating mechanism assembly I and a vertical locating mechanism assembly II, wherein the two ends of the anti-thrust beam assemblies (I and II) are fixedly arranged at the lower ends of four parameter test bench vertical columns of the bogie parameter test bench, the transverse counterforce supporting seats (I, II, III and IV) are uniformly distributed between the two ends of the anti-thrust beam assemblies (I and II), the bottom ends of the transverse counterforce supporting seats (I, II, III and IV) are connected with a foundation, the longitudinal-transverse constraint framework is arranged at the center of the bogie parameter test bench and is connected with the bogie parameter test bench through bolts, and the bottom ends of the vertical locating mechanism assemblies (I and II) are connected with a cast iron platform through bolts.
Owner:JILIN UNIV
Car lock lug welding fixture
InactiveCN104191141ARealize clamping positioningSolve the positioning accuracyWelding/cutting auxillary devicesAuxillary welding devicesWeldingEngineering
The invention relates to the field of automobile manufacturing devices, in particular to a car lock lug welding fixture. By the car lock lug welding fixture, the problem that an existing lock lug welding fixture is insufficient of space for arrangement is solved. A plurality of positioning seats (4) are arranged on a rectangular welding fixture platform (1), a lug clamping unit is arranged on each positioning seat (4), each lug clamping unit comprises a lug clamping cylinder (5), a lug positioning cylinder (6) and a wedge mechanism (7), each lug positioning cylinder (6) is connected with the corresponding wedge mechanism (7) and drives the same to move horizontally, and wedges (18) can be driven to move by being connected with the corresponding lug clamping cylinders (5). The car lock lug welding fixture is used for welding automotive lugs.
Owner:HARBIN INST OF TECH
Digital controlled lathe special for engine valve sealing molded line machining and machining method of digital controlled lathe
PendingCN107626934APlay a protective effectReduce adverse effectsAuxillary equipmentLarge fixed membersEngine valveDigital control
The invention discloses a digital controlled lathe special for engine valve sealing molded line machining and a machining method of the digital controlled lathe. The digital controlled lathe comprisesa protection shell assembly, a lathe bed base assembly, a carriage assembly, a material dividing and emptying assembly, a discharging assembly, a main shaft assembly, a material clamping and pushingassembly, a pneumatic system assembly, a lubrication system assembly, a tool apron assembly, a centre assembly and a main shaft head rotating feeding assembly. All components are protected by the protection shell assembly and supported by the lathe bed base assembly, the carriage assembly achieves three-freedom-degree motion of a tool apron, the material dividing and emptying assembly achieves valve workpiece sorting and single discharging, the discharging assembly collects falling valve workpiece finished products, the centre assembly achieves clamping of auxiliary workpieces, workpieces automatically fall into a detachable main shaft head through the main shaft head rotating feeding assembly, the main shaft assembly drives the workpieces to rotate, the material clamping and pushing assembly clamps the workpieces and pushes out finished products, the pneumatic system assembly provides pneumatic force, the lubrication system assembly lubricates all relatively-moving components, and thetool apron assembly achieves clamping on a cutter. All assemblies are coordinated, and full-automatic efficienct production of an engine valve is achieved.
Owner:ZHEJIANG JINTANG MACHINE TOOL
Hydraulic split block structure positioning clamp of free curve surface work pieces
InactiveCN101804607AAchieve positioningRealize clamping positioningWork holdersHydraulic cylinderAgricultural engineering
The invention provides a hydraulic split block structure positioning clamp of free curve surface work pieces, which relates to a positioning clamp. The hydraulic split block structure positioning clamp comprises a base, an upper cover plate, a one-way hydraulic cylinder, piezoelectric ceramics, a left support frame, a right support frame, a hydraulic cylinder clamping frame, a reset spring, a locking hydraulic cylinder, a fixed top block, an oil cylinder, a filter, an oil pump, a throttle valve, an overflow valve and a reverse valve, wherein the upper cover plate is covered on the base, one end of the one-way hydraulic cylinder is arranged on the base, the other end of the one-way hydraulic cylinder passes through the upper cover plate and is glued with the piezoelectric ceramics, the oil cylinder, the filter, the oil pump, the throttle valve, the overflow valve and the one-way hydraulic valve form a hydraulic loop, the left support frame and the right support frame are fixed on the base, the hydraulic cylinder clamping frame is arranged in the left support frame and the right support frame, the locking hydraulic cylinder is arranged on the base, the oil cylinder, the filter, the oil pump, the throttle valve, the overflow valve, the reverse valve and the locking hydraulic cylinder form the other hydraulic loop, the reset spring is arranged between the hydraulic cylinder clamping frame and the right support frame, and the fixed top plate is arranged on the upper cover plate. The invention has the advantages of good universality, larger installing and clamping dimension, high positioning precision and high automation degree.
Owner:XIAMEN UNIV
Floating type self-centering assembling gripper of robot
InactiveCN111702793AReduced repeatability requirementsGuaranteed positioning accuracyGripping headsMetal working apparatusControl engineeringStructural engineering
The invention belongs to the technical field of robot end effectors, and particularly relates to a floating type self-centering assembling gripper of a robot. The floating type self-centering assembling gripper comprises a floating component, a connecting flange, guide rods, first springs, a clamping component and a positioning and clamping component. According to the floating type self-centeringassembling gripper, the positioning and clamping component of the assembling gripper is used for positioning and clamping cylinder sleeve parts, the clamping component of the assembling gripper is used for positioning and clamping rotary shaft parts, and then the position precision of the rotary shaft part and the cylinder sleeve parts before assembling is guaranteed; and then the situation that due to positional deviations, the cylinder sleeve parts and the rotary shaft parts collide in the assembling process is avoided, the situation that the inner walls of the cylinder sleeve parts and theouter cylindrical faces of the rotary shaft parts are scratched is avoided, and then the assembling precision between the rotary shaft parts and the cylinder sleeve parts is guaranteed. By arranging the floating component, the requirement for the repeating precision of the robot is reduced when the rotary shaft parts are assembled in the cylinder sleeve parts by the assembling gripper.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
Positioning tool of eccentric shaft and machine tool
PendingCN110202430AGuaranteed accuracyRealize clamping positioningRevolution surface grinding machinesGrinding work supportsMachine toolEngineering
The invention provides a positioning tool of an eccentric shaft and a machine tool. The positioning tool comprises a chuck assembly, a transmission part eccentrically fixed to the chuck assembly, an angle positioning jacket, a front tip, and a rear tip, the angle positioning jacket is connected with the transmission part and is provided with a positioning hole, the positioning hole is conical, andis used for radially fixingthe eccentric shaft, the front tip is fixedly arranged on the chuck assembly, the rear tip is fixedly arranged on the machine tool, and the front tip and the rear tip are used for abutting against the two axial ends of the eccentric shaft. Through the technical scheme, different specifications of eccentric shafts can be rapidly clamped and positioned, the machining precision of the eccentric shaft can be improved, the scrappage is reduced, the positioning tool is simple in structure, only few parts like a spline positioning sleeve need to be replaced, the replacingwork intensity of the positioning tool of the eccentric shaft can be reduced, and the replacing efficiency of the positioning tool is improved.
Owner:ZHEJIANG JINYUE MACHINERY TECH DEV
Automatic sugar coiling machine
ActiveCN103238719ARealize clamping positioningGuaranteed stabilityConfectionerySweetmeatsPulp and paper industryRotating disc
The invention discloses an automatic sugar coiling machine. The automatic sugar coiling machine comprises a frame; a cuter, a conveying belt, a central rotating disc and a shifting piece are arranged on the frame; a plurality of sets of coiling devices and sugar pressing devices which are in one-to-one correspondence are arranged on the surface of the central rotating disc; a sugar coiling pin is arranged in each coiling device; each sugar coiling pin can axially slide along the axis of the corresponding coiling device; an extruding tray is arranged in each sugar pressing device; each extruding tray can axially slide along the axis of the corresponding sugar pressing device; a sugar coiling sun gear rotating disc is fixedly arranged above the central rotating disc; a jacking sun gear rotating disc is fixedly arranged below the central rotating disc; the sugar coiling sun gear rotating disc is in mesh transmission with the coiling devices; and the jacking sun gear rotating disc is in mesh transmission with the sugar pressing devices. The automatic sugar coiling machine can automatically coil sugar sticks, and is high in production efficiency and good in product quality.
Owner:JIANGSU FLYING DRAGON FOOD MACHINERY
Self-centering clamp for grinding ceramic cylinder sleeve
ActiveCN111660173AGuaranteed stabilityPrevent movementGrinding drivesGrinding machinesElectric machineryComposite material
The invention belongs to the technical field of tool clamps, and particularly relates to a self-centering clamp for grinding a ceramic cylinder sleeve. The self-centering clamp comprises a rotating shaft, a jacking device, a supporting frame, a motor and a connecting rod. According to the self-centering clamp, the motor drives the rotating shaft to rotate, the rotating shaft drives a second rotating disc to move in the axial direction of the rotating shaft through threads, and the threads on the rotating shaft are left-handed thread and right-handed thread respectively, so that the second rotating disc moves to a first rotating disc; in the process, the second rotating disc extrudes elastic spokes, the elastic spokes are bent towards the inner wall of the ceramic cylinder sleeve, the middle portions of the elastic spokes extrude the inner wall of the ceramic cylinder sleeve, and the ceramic cylinder sleeve is clamped; and the elastic spokes are used for clamping the ceramic cylinder sleeve, so that the elastic spokes contact the inner wall of the ceramic cylinder sleeve more closely, the ceramic cylinder sleeve is prevented from being damaged in the clamping process, the elastic spokes are tightly pressed against the inner wall of the ceramic cylinder sleeve, the elastic spokes are integrally elastic, impact force is avoided in the machining process of the ceramic cylinder sleeve, and damage to the ceramic cylinder sleeve is avoided.
Owner:济南宝山石油设备有限公司
Movable clamping device
ActiveCN104907865ARealize clamping positioningImprove processing efficiencyWork clamping meansPositioning apparatusMachiningPrecision casting
The invention relates to the technical field of machining of precision castings, in particular to a movable clamping device. By the movable clamping device, parts can be positioned and clamped conveniently, and machining efficiency and product quality can be improved. The movable clamping device comprises a baseplate. Lateral stop plates are mounted on two sides of the upper end face of the baseplate respectively. A support plate is mounted between the two lateral stop plates. A cylindrical positioning base is mounted on the support plate. Through grooves are formed in the cylindrical positioning base and the support plate. Reversible inner press plates are mounted in the through grooves through first pins. A horizontal positioning air cylinder is mounted on the lateral stop plate on one side. A positioning head is mounted on a piston rod of the horizontal positioning air cylinder. A support base is mounted on the support plate on the lateral portion of the cylindrical positioning base. A reversible outer press plate is mounted on the support base through a second pin.
Owner:鹰普(中国)有限公司
Positioning and clamping equipment for PCB
InactiveCN112059963ARealize clamping positioningAchieve rotationCircuit board tools positioningWork holdersClassical mechanicsStructural engineering
The invention discloses positioning and clamping equipment for a PCB. The positioning and clamping equipment comprises a marble platform, ribs are embedded and fixed to the lower end face of the marble platform, each rib is composed of a transverse steel bar and a longitudinal steel bar, a connecting shaft is inserted into the joint of each transverse steel bar and the corresponding longitudinal steel bar, and an inclined first connecting rod is fixed to the upper end of each connecting shaft in an inserted and sleeved manner. A longitudinal clamping strip is hinged to one end of each first connecting rod. Inclined second connecting rods are fixed to the lower ends of the connecting shafts in an inserted and sleeved manner, guide grooves are formed in the second connecting rods, pin shaftsare inserted into the guide grooves, longitudinal driving rods are fixed to the pin shafts, connecting plates are fixed to the longitudinal steel bars, the driving rods are inserted into the connecting plates, and a transverse double-shaft air cylinder is fixed to the middles of the connecting plates. Push rods are fixed to a piston rod of the double-shaft air cylinder, inclined grooves are formed in the opposite side walls of the driving rods, and one ends of the push rods are inserted into the inclined grooves and abut against the inner walls of the inclined grooves. According to the positioning and clamping equipment, while the strength of the marble platform can be guaranteed, the PCB can be conveniently and effectively clamped.
Owner:熊勇
Double-thread clamping device with grabbing positioning function
InactiveCN109483581ARealize clamping positioningSimple transmissionGripping headsWork holdersFrame basedEngineering
Owner:SHAANXI LAIFU TECH DEV CO LTD
Method for processing double-angle hole of body of oil well logging instrument
The invention relates to a method for processing a double-angle hole of the body of an oil well logging instrument. The method is technologically characterized by comprising the following steps of: drawing a cross curve on the upper surface of the body according to a design drawing, wherein a crossing point of the cross curve is a processing point of the double-angle hole; then clamping a workpiece on an inclinable vice; rotating the inclinable vice according to a calculated projected angle alpha; and rotating a power head for a angle beta and processing after finding the processing point correctly. The invention achieves the purpose that the shaft line of the workpiece is coincided with a main shaft of a machine tool by converting the sum theta of two design angles of the double-angle hole of the body into actual rotation angles alpha and beta of a tooling, thereby enabling the processing of the double-angle hole to meet design requirement; in addition, the invention has simple tooling, is convenient for operation, and provides a more ideal process method for the processing of various holes at spatial location.
Owner:中船重工新疆海源能源装备有限公司
Positioning and clamping device for fixing small-size workpiece
InactiveCN107470944ARealize clamping positioningPrecise positioningPositioning apparatusClampsEngineeringMechanical engineering
A positioning and clamping device for fixing small workpieces is provided, which includes a bottom plate, a workpiece positioning platform for carrying workpieces and a toggle clamp device for pressing the workpiece are fixedly connected to the upper surface of the base plate, and one end of the pressing arm in the toggle clamp device is fixed. The anti-rotation connecting plate is connected, and the elastic pressing piece for directly compressing the workpiece is arranged on the anti-rotation connecting plate. The present invention combines an elbow clamp device and an elastic pressing part to make a special positioning table, which can realize the positioning and clamping of small workpieces, and has reliable and stable positioning, simple structure and convenient manufacture. In the present invention, an elastic pressing part for directly pressing the workpiece is provided on the anti-rotation connecting plate. The elastic pressing part directly in contact with the workpiece adopts a spring plunger, and the spring plunger will not directly apply a pressing force to the workpiece, and will There is a certain buffering effect on the workpiece, thus effectively preventing damage to small workpieces.
Owner:SHAANXI LAIFU TECH DEV CO LTD
Automobile steering knuckle as well as steering knuckle positioning and fastening device
ActiveCN107235076AFirm positioning and clampingLimited rotational freedomSteering linkagesPositioning apparatusMarine engineering
The invention provides an automobile steering knuckle as well as a steering knuckle positioning and fastening device. The automobile steering knuckle comprises a steering knuckle body in which a steering shaft hole is formed, wherein a first positioning part, a second positioning part and a third positioning part which are arranged in a triangular shape are formed on the steering knuckle body; the first positioning part and the second positioning part are clamping and fixing parts which are formed on the steering knuckle body and can be connected with an external mechanism in a clamping manner; one of the clamping and fixing parts is in a strip shape; and the third positioning part can be abutted and connected with the external mechanism. The invention also provides a steering knuckle positioning and fastening device for positioning and fastening the automobile steering knuckle. According to the automobile steering knuckle disclosed by the invention, complete positioning of the steering knuckle can be achieved by the arrangement of the first positioning part, the second positioning part and the third positioning part to guarantee stable positioning and fastening of the steering knuckle; and besides, the structure of a steering knuckle positioning and fastening fixture can be simplified, so that the problems that the design is difficult and collision accidents are easy to occur caused by complicated structure of the fixture can be solved, and the automobile steering knuckle is good in practicability.
Owner:GREAT WALL MOTOR CO LTD
Device and method for transmitting liquid carbon dioxide used for firefighting by means of surface drilling
InactiveCN106247168ASimple structureNovel and reasonable designPipe supportsFire rescueLiquid carbonPiezometer
The present invention discloses a device for transmitting liquid carbon dioxide used for fire fight by means of surface drilling. The device comprises a gaseous carbon dioxide storage tank, a liquid carbon dioxide storage tank, and a transmission tube; the transmission tube is disposed in a drill hole extending downwards from a ground surface; an upper end of the transmission tube is provided with a pressure maintaining valve; a lower end of the transmission tube is provided with a pressure control valve; a piezometer is disposed on the transmission tube; the upper end of the transmission tube is communicated with the gaseous carbon dioxide storage tank through a first connection tube; and the upper end of the transmission tube is communicated with the liquid carbon dioxide storage tank through a second connection tube. The transmission device can achieve direct transmission of the liquid carbon dioxide. The present invention further discloses a method for transmitting liquid carbon dioxide. The method comprises the following steps: drilling the drill hole downwards from the ground surface right above a fire area in a well; mounting the transmission tube; connecting the transmission tube to the gaseous carbon dioxide storage tank and the liquid carbon dioxide storage tank; injecting gaseous carbon dioxide in the transmission tube for boosting the pressure; and injecting liquid carbon dioxide in the transmission tube for firefighting. The transmitting method is easy to operate and is effective.
Owner:XIAN UNIV OF SCI & TECH
Rotary pipeline clamping device
ActiveCN109552845AInnovative designStable structureConveyorsMetal working apparatusControl systemEngineering
The invention provides a rotary pipeline clamping device. The rotary pipeline clamping device comprises a control system and two clamping blocks, wherein the control system and the two clamping blocksare arranged on a bracket; arc-shaped sliding grooves are symmetrically formed in the opposite sides of the two clamping blocks, arc-shaped clamping pieces are slidably arranged in the arc-shaped sliding grooves of the two clamping blocks, and when the two arc-shaped clamping pieces are spliced into a circle, a splicing convex block at the end of one of the arc-shaped clamping pieces is insertedinto a splicing concave pit in the corresponding end of the other arc-shaped clamping piece; positioning pits are further formed in the back faces of the two arc-shaped clamping pieces, and clamping piece positioning mechanisms are arranged in the clamping blocks; and the control system is used for controlling working states of a transverse driving device, an axial driving device and a telescopicair cylinder. The clamping device can axially move along with the pipeline and can further allow the pipeline to rotate freely, a multiple-reinforced steel-plastic composite pipe in the moving state can be clamped and positioned, the rotary pipeline clamping device is novel in design and reliable in structure and has outstanding practicability and remarkable progress.
Owner:EZHOU XINGXIN BUILDING MATERIALS
Inclined disc tool magazine
PendingCN107695758ASimple structureGood tool changePositioning apparatusMetal-working holdersEngineeringMachine tool
The invention provides an inclined disc tool magazine. The tool magazine comprises a tool magazine body; a support is welded at the bottom of the tool magazine body and is connected with a base; the tool magazine body comprises a central seat and tool rests; circular grooves are formed in the tool rests; tools are arranged in the circular grooves; clamping devices corresponding to all the circulargrooves are arranged on the central seat; two symmetric clamping rods of each clamping device are arranged on two sides of each circular groove, and ends, close to each other, of the clamping rods are arranged on the central seat through a rotating shaft; springs are arranged between the central seat and the tool rests; and symmetric sliding blocks are arranged between the springs and the centralseat. The inclined disc tool magazine is simple in structure and has the better tool changing effect on the machining tool having the certain inclination angle, the tool changing process is smooth, the stability is better, the precision is higher, the tools in the tool magazine are not prone to loosening, tool changing in the inclined state can be realized conveniently and quickly, the tool changing efficiency is improved, and the production cost is reduced.
Owner:TIANJIN ZHONGDA PRECISION MACHINERY
Non-magnetic sheet clamping and positioning tool and manufacturing method thereof
InactiveCN103962866ASimple structureEasy to processPositioning apparatusGrinding work supportsEngineeringAlloy
The invention provides a non-magnetic sheet clamping and positioning tool and a manufacturing method thereof and relates to the field of machining of machinery, electrons, materials and the like. The non-magnetic sheet clamping and positioning tool comprises a base plate and a board, wherein a groove is formed in the base plate, the board is placed in the groove, a gap region is arranged between the edge of the board and the inner wall of the groove and full of an alloy material filling layer. The manufacturing method comprises the steps of heating the base plate; placing solid bismuth-tin alloy in the groove; placing the board in the groove to enable the bottom face of the board to adhere to the bottom face of the groove after the bismuth-tin alloy is molten; cooling the base plate, enabling the bismuth-tin alloy to be solidified and filling the bismuth-tin alloy in the gap region between the edge of the board and the inner wall of the groove; taking down a balancing weight. The combined effects of the steel base plate provided with the groove and the bismuth-tin alloy are utilized to achieve the board locking and clamping purpose. The non-magnetic sheet clamping and positioning tool is simple in structure and convenient to machine, suitable for large and thin plate parts with large surfaces required to be machined and especially suitable for machining of non-magnetic materials.
Owner:NO 43 INST OF CHINA ELECTRONICS TECH GRP CETC
Method for manufacturing glass fiber reinforced plastic shell through die
The invention relates to a manufacturing method of a glass fiber reinforced plastic shell, in particular to a method for manufacturing the glass fiber reinforced plastic shell through a die. The method includes the steps of (1) gel coat layer spraying, (2) glass fiber reinforced plastic layer pasting, (3) foam layer splicing, (4) die assembly grinding, (5) final die assembly, (6) post curing, (7)demolding and (8) product paint spraying. According to the method, the die is used for manufacturing the glass fiber reinforced plastic shell, the technological step is simple, and operation is easy;through an up and down die assembly manner, it is guaranteed that the inner and outer surfaces of a molded product are both flat and smooth; through measurement of the thickness of a die cavity in dieassembly grinding, the problems about uneven pasting thickness, pasting missing and the like of the molded product are avoided, and the final molding quality of the molding product is guaranteed; andin addition, the molded product is the glass fiber reinforced plastic product with a foam sandwich, the strength of a driving cab shell is guaranteed, meanwhile, the weight is smaller, and cost is lower.
Owner:唐山宏正机械设备有限公司
Flaring and stamping device with positioning structure
ActiveCN110202067ARealize clamping positioningGuaranteed stabilityMetal-working feeding devicesVehicle componentsEngineeringDrive motor
The invention discloses a flaring and stamping device with a positioning structure. The device comprises a base and two vertical supporting plates arranged on the base, a transverse plate is arrangedat the tops of the vertical supporting plates, a driving motor is arranged on the transverse plate, and a flaring rod connected with a main shaft of the driving motor is fixed to the middle of the bottom surface of the transverse plate. The flaring and stamping device is characterized in that lifting cavities are formed in the top surfaces of the vertical supporting plates correspondingly; liftingcylinders are fixed to the bottom walls of the lifting cavities correspondingly; piston shafts of the lifting cylinders are fixed to the two ends of the bottom surface of the transverse plate correspondingly; a load-bearing plate is arranged between the lower portions of the two vertical supporting plates; two C-shaped positioning warping rods are arranged on the load-bearing plate; a cavity is formed in the center of the top surface of the load-bearing plate; an abutting panel is arranged in the cavity; and buffering springs are fixed between the abutting panel and the bottom wall of the cavity. The flaring and stamping device is reasonable in structure arrangement, the flaring stability and reliability can be guaranteed easily, position deviation can be prevented, the flaring precisioncan be improved easily, the applicability is high, and the practicability is good.
Owner:上海航空发动机制造有限公司
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