45results about How to "Fast limit fixation" patented technology

The invention discloses an automobile airbag hardware detection device which comprising a base and a sample. The upper surface of the base is fixedly connected with a cylindrical table. The cylindrical table is located at the center of the base. The upper surface of the base is fixedly connected with two first limit columns. Two first limit columns are located on left and right sides of the cylindrical table respectively. The upper surface of the base is fixedly connected with the second limit column. The second limit column is located on the front side of the cylindrical table. According to the invention, the sample is sleeved on the cylindrical table; a button is pressed to tilt a chuck; a U-shaped seat is rotated, and the chuck is located above the sample; the button is released, and the chuck is pressed by the spring force; the sample is fast limited and fixed; a fixation pin directly passes through a through hole and is inserted into a limit hole; if the fixation pin can be inserted, the location of the through hole is accurate; if the fixation pin cannot be inserted, the location of the through hole is deviated; and the device has the advantages of simple detection method, high work efficiency and high precision.

The invention relates to a prestressed concrete prefabricated part manufacturing and forming method.The prestressed concrete prefabricated part manufacturing and forming method comprises a bottom plate, a mold frame, an upper end sealing mechanism, side plates, sliding mechanisms, jacking mechanisms, partition plates, a lifting mechanism and a bottom demolding mechanism, wherein the mold frame is arranged in the middle of the upper end of the bottom plate; the jacking mechanisms are installed on the left side and the right side of the mold frame; the upper end sealing mechanism is arranged above the mold frame; and the lifting mechanism and the bottom demolding mechanism are arranged in the bottom end of the mold frame. The prestressed concrete prefabricated part manufacturing and forming method provided by the invention can solve the problems in the manufacturing process of an existing prestressed concrete prefabricated part: a, a mold is used for carrying out pouring forming treatment, mounting and dismounting of the mold are tedious, the manufacturing difficulty of a prestressed concrete prefabricated part is increased, and the manufacturing and forming efficiency of the prestressed concrete prefabricated part is low; and b, only one prestressed concrete prefabricated part can be formed through one-time pouring of the pouring mold, so that the production efficiency is low, and the benefits of enterprises are reduced.

The invention discloses feed scattering and crushing equipment capable of avoiding feed caking in the technical field of feed processing. The feed scattering and crushing equipment comprises a processing cylinder, a first motor seat is arranged in the center of the top of the processing cylinder, a first speed reducer is arranged in an inner cavity of the first motor seat, a first rotating columnis connected with the bottom of the first speed reducer, and the first rotating column penetrates through the first motor seat and the processing cylinder and extends to an inner cavity of the processing cylinder; the periphery of the first rotating column is sleeved with a main gear, matched driven gears are arranged on the left side and the right side of the main gear correspondingly, and rotating rods are inserted and fixed into inner cavities of the two driven gears correspondingly; bearing seats are arranged at the positions, corresponding to the two rotating rods, of the top of an innercavity of the processing cylinder; and the top ends of the two rotating rods are inserted and fixed into inner cavities of the matched bearing seats, and scattering devices are arranged at the bottomsof the first rotating column and the two rotating rods in a sleeving mode. According to the feed scattering and crushing equipment, high-efficiency scattering and crushing treatment can be realized on the feed, a crushing cutter is convenient to disassemble and maintain, and screening treatment can be directly performed after scattering and crushing.

The invention discloses a limiting structure of a mechanical arm and the mechanical arm. The limiting structure comprises a support frame component, a roll-over stand component arranged at the middleof the support frame component and a limiting component arranged on the roll-over stand component; the support frame component is composed of a support frame and a control center arranged at the sidesurface of the support frame; the roll-over stand component is composed of a roll-over stand, a rotating shaft and a driving component; and the limiting component is composed of limiting components atthe upper and lower ends and a side limiting electric cylinder. Relative to processed parts of the same batch, limit parameters are only needed to be set for one time, so that the generated accumulative error is small, the machining precision is improved, and the interchangeability of the same batch of parts is improved; and compared with large parts that need to be rotated and processed, a driving motor is driven to enable a drive gear to be in engaged transmission with a gear, a workpiece on the roll-over stand can be turned over around a middle rotating shaft hole I, and the positioning precision is improved.

The invention discloses a photovoltaic panel and a supporting mechanism for photovoltaic power generation. The photovoltaic panel comprises a fixing frame and a base, the fixing frame is supported andfixed to the upper end of the base, the right side of the fixing frame is supported and fixed to the upper end of the base through a supporting rod, the lower end of the middle of the fixing frame issupported on the surface of the base through a connecting rod, the fixing frame comprises a supporting device and a fastening device, and the supporting device comprises a vertical plate, a towing rod, a second fixing plate, a connecting block, a neck, a sliding plate and a first screw hole. The towing rod is transversely welded and fixed to the inner side of the bottom of the fixing frame, and the vertical plate is vertically fixed to the middle of the fixing frame. According to the invention, the vertical plate comprising the neck can be fixed at a specified position in the fixing frame under the fastening action of the second fixing plate and the second bolt so as to adapt to different widths of the photovoltaic panel; and when the photovoltaic panel is fixed, only one side of the photovoltaic panel needs to be clamped into the neck, the other side of the photovoltaic panel is arranged in the fixing frame, and the photovoltaic panel can be rapidly limited and fixed through the fixing device.

The invention discloses an electric three-eccentric center butterfly valve convenient to adjust. The electric three-eccentric center butterfly valve convenient to adjust comprises a valve body. The upper face of the valve body is connected with a support, one side of the top of the support is connected with an adjusting turbine, an electric device is mounted on the other side of the top of the support, the two sides of the bottom of the support are connected with two connecting plates, the middle side of the bottom of the support is connected with a vertically-downward drive rod, the bottoms of the two connecting plates are movably connected with a connecting seat, the bottom of the connecting seat is connected with a vertically-downward connecting block, the bottom of the connecting blockis welded and connected to the top of the valve body, a through groove is formed in the connecting block and on the top of the valve body, and a valve rod is mounted in the middle of the valve body.By means of the connecting manner of the support and the valve body, during use, the valve body can be flexibly replaced according to the internal diameter of a pipeline, the electric three-eccentriccenter butterfly valve is more flexible and convenient in the replacement and mounting process, manpower is saved, and the electric three-eccentric center butterfly valve is suitable for being used and popularized.

The invention discloses a cutting waste collecting device of a numerical control machine tool. The device comprises a metal plate fixing part, a restraining assembly, a length adjusting mechanism, a fixing assembly and a material guiding mechanism, two inclined inner cavity sliding ways are arranged in the metal plate fixing part, the metal plate fixing part comprises a base, and the base comprises a compression assembly, a sliding rod assembly installed at the bottom of the compression assembly and an anti-skid assembly connected to the sliding rod assembly. Two sets of main control pieces are arranged, a first adapter and a second adapter are movably installed on the two sets of main control pieces correspondingly, half screws are installed in the two sets of main control pieces in a matched mode, the first adapter and the second adapter are located outside a plate after being connected in an inserted mode, the contraction of the first adapter and the second adapter on the main control pieces is controlled by controlling cranks on the two sets of main control pieces, so that the device can quickly limit and fix metal plates with different sizes, and the stability of the metal plates in the cutting process is improved.

The invention discloses a component analysis device for a high polymer chemical material. The device comprises a discharge valve, an indicating lamp, a collection frame, a power supply wire and a placement shaking mechanism. The placement shaking mechanism is arranged at the upper end of an analysis table, a test tube is placed on the inner side of a placement set and a fixing mechanism, and then a motor is powered on to work to drive a connecting piece to do circular motion, so that the connecting piece drives a rotating block to swing at the upper end of a first swing rod, and the rotating block drives a fixing frame to do left-right reciprocating motion through a second swing rod, the components in the test tube are mixed, and the advantage of rapidly mixing the components in the test tube is achieved; and a lifting structure is arranged at the upper end of the fixing mechanism, and a telescopic cylinder performs telescopic motion to drive a moving plate to move, so that the moving plate drives a fixing frame to move through a moving rod, the height of the fixing frame can be adjusted, and the advantage that test tubes with different lengths can be placed and fixed is achieved.

The invention relates to the technical field of transformer transportation, and discloses transformer moving equipment for the railway. The transformer moving equipment comprises a bearing bottom plate and a transformer body, wherein universal wheels are fixedly mounted at the four corners of the bottom of the bearing bottom plate respectively, a groove matched with the transformer body is formedin the upper surface of the bearing bottom plate; the bottom of the transformer body abuts against the bottom of the groove, a side plate is fixedly connected to the upper surface, which is close to one end, of the bearing bottom plate, a top plate is rotatably connected to the upper surface of the side plate through a rotating pin, a locking mechanism is mounted between the top plate and the sideplate, a buckling groove matched with the transformer body is formed in the lower surface of the top plate, and the top of the transformer body abuts against the bottom of the buckling groove; the locking mechanism comprises a sliding block groove formed in the lower surface of the top plate, the sliding block groove is close to the rotating pin, and a spring is fixedly connected to the bottom ofthe sliding block groove. The transformer can be conveniently and quickly limited and fixed, and the moving stability of the transformer is effectively guaranteed.

The invention discloses anti-overheating equipment for assembly welding. The anti-overheating equipment comprises a workbench, a hopper groove is formed in the upper end face of the workbench, a fixing ring is fixedly installed on the workbench through a support and located over the hopper groove, an annular groove is coaxially formed in the inner ring wall of the fixing ring, a heat conduction mechanism is arranged in the annular groove, the workbench is provided with a liquid supply mechanism matched with the heat conduction mechanism, and the workbench is further provided with a refrigeration mechanism matched with the heat conduction mechanism. When the equipment works, a water suction port can be quickly limited and fixed, the applicability is high, the water suction port can be cooled through cooling liquid in a heat conduction area, meanwhile, when shunting pieces are welded on the water suction port one by one, the cooling liquid in the heat conduction area can be driven to flow through sliding of a liquid storage bag in the heat conduction area, therefore, the temperature in the heat conduction area is uniform, and the water suction port is prevented from being damaged due to over-high local temperature.

The invention relates to the field of irrigation devices, in particular to an automatic irrigation device based on the Internet of Things. The automatic irrigation device comprises a fixing rod, a fixing structure, an adjusting structure, a limiting structure, an irrigation structure, a sealing structure and a rotating structure. By arrangement of the fixing structure, the device can be mounted and fixed to the ground quickly and conveniently, by arrangement of the adjusting structure, the overall height of the whole device can be adjusted conveniently, in cooperation with the arrangement of the limiting structure, the adjusting structure after adjustment can be quickly limited and fixed, the irrigation structure can simultaneously act on the rotating structure while carrying out water spray irrigation work, through the work of the rotating structure, sprayed water can be automatically and intermittently interrupted when the irrigation structure performs the water spray irrigation work, so that far and near crops can be irrigated better, and by arrangement of the sealing structure, automated irrigation and turning off can be realized automatically according to the water shortage condition.

The production line comprises a workbench body, two fixing plates are symmetrically, vertically and fixedly connected to the upper end face of the workbench body, a tapping mechanism is connected between the two fixing plates through a reciprocating mechanism, and a first shell with an opening in the upper end is horizontally and rotationally installed on the upper end face of the workbench body; and a second shell of which the upper end is opened is coaxially, horizontally and rotationally mounted on the inner bottom wall of the first shell. According to the lamp barrel body assembly device, through cooperation of the one-way bearing and the servo motor, the servo motor can switch driving of the first shell and the second shell, so that the lamp barrel bodies can be rapidly limited and fixed, it can be guaranteed that each lamp barrel body is located in the center of the second shell all the time, and therefore the lamp barrel body assembly efficiency can be improved; and in addition, the equipment is also suitable for assembling lamp tube bodies with different sizes, and the applicability is high.

The invention discloses a special-shaped tension yoke plate for a power transmission line. The special-shaped tension yoke plate comprises a special-shaped main plate, an inserting groove is formed inthe middle of the end face of one end of the special-shaped main plate, a transverse inserting square plate is inserted into the inserting groove and welded and fixed, an upper tension hanging pointand a lower tension hanging point are arranged on the end face, close to the top and the other end, of the special-shaped main plate respectively, and adjusting limiting mechanisms are installed on the upper tension hanging point and the lower tension hanging point. Suspension insulator strings are transversely inserted into two ends of the transverse inserting square plate; each tension hanging point is connected with a triangular yoke plate through a bolt; the two sides of the vertex angle of the triangular connecting plate can be adjusted and limited through the adjusting and limiting mechanism; the triangular yoke plates with different vertex angles can be conveniently limited and fixed; the triangular yoke plate is provided with two wire hanging points; two lower front horizontal hanging points and two upper rear horizontal hanging points are formed in the space to form a simple tension-resistant stay wire structure, so that the string length of the hardware fitting is shortened,the cumbersome structure that a drainage wire on a common jumper wire structure adopts a 30-degree lead wire and a jumper wire spacer is additionally arranged is avoided, and the safety and reliability of the operation of a power transmission line are enhanced.

The invention discloses a detection device and detection method for detecting mental alertness of rodents. The detection device comprises an operation bin and a base, wherein the top wall, the front side wall and the rear side wall of the operation bin are connected with the left side wall and the right side wall of the operation bin through a fixing assembly; a metal net, a movable rod, a loudspeaker, an environment lamp, a stimulation lamp, a lifting rod and a feeding trough are arranged in the operation bin; the loudspeaker, the stimulation lamp, the lifting rod and the feeding trough are all arranged on the inner wall of the left side of the operation bin, the environment lamp is arranged on the inner wall of the rear side of the operation bin, the feeding trough is connected with a food dispenser through the conveying channel, the food dispenser is arranged on the mounting frame, the mounting frame is arranged on the base, the loudspeaker, the environment lamp, the stimulation lamp, the lifting rod and the food dispenser are all electrically connected with a control device, the control device is connected with the computer through a transmission line, the control device is arranged on the outer wall of the left side of the operation bin, and a collecting box is arranged below the metal net.

The invention discloses a large-batch gas pipeline transportation device which comprises a plurality of bases, wherein first fixing plates are arranged at the bottoms of the bases, first fixing grooves are formed in the tops of the first fixing plates, second fixing plates are fixedly connected to the tops of the bases, second fixing grooves are formed in the tops of the second fixing plates, a first supporting plate is arranged on one side of each second fixing plate, and a supporting rod is arranged in each first supporting plate in a penetrating mode. According to the large-batch gas pipeline transportation device, through cooperation of third fixing plates and the second fixing plates, gas pipelines can be quickly limited and fixed, so that the gas pipelines are prevented from colliding with each other and being damaged in the transportation process, and the protection of the gas pipelines in the transportation process is improved advantageously; and through cooperation of lifting rings, positioning rods and positioning sleeves, multiple sets of gas pipelines can be placed in a stacked mode, therefore, large-batch gas pipeline transportation is facilitated, and meanwhile, gas pipeline bodies are prevented from being pressed.

The invention discloses a firework effect agent light column forming device. The device comprises a workbench; electric push rods fixedly welded to the two sides of the top surface of the workbench; a fixing plate fixedly welded between the tops of the electric push rods; forming mechanisms, wherein each forming mechanism comprises a limiting plate, a first spring, a sliding rod and a forming column, the multiple sliding rods are movably inserted into the top of the fixing plate, the limiting plates are fixedly welded to the tops of the sliding rods, the forming columns are fixedly welded to the bottoms of the sliding rods, and the first springs are wound around the surfaces of the sliding rods and located between the fixing plate and the limiting plates; and containing mechanisms. By means of the firework effect agent light column forming device, the problems that an existing firework effect agent light column forming device is not provided with a dust removal mechanism, and due to the fact that powder can be attached to the surfaces of forming columns after pressing and can be scattered in air, the working environment is polluted, and the body health of workers can be threatened are effectively solved.

The invention discloses convenient 3D printing equipment. The convenient 3D printing equipment comprises a box body, a mechanical arm, a spray gun, a fixed sleeve, fixed plates and a mounting mechanism.The mechanical arm is fixedly mounted at the top of the inner wall of the box body. The spray gun is fixedly mounted in the box body through a material conveying pipe. The fixed sleeve is fixedly mounted on the surface of the spray gun. The fixed plates are fixedly welded to the two ends of the side, adjacent to the mechanical arm, of the fixed sleeve. The mounting mechanism comprises a sliding plate, a spring, a second mounting groove and an insertion rod, and the second mounting groove is formed in one side of the bottom of the mechanical arm. The problems that most existing convenient 3D printing equipment adopts mechanical arms to drive spray guns to move to achieve printing, the mechanical arms and the spray guns are basically fixedly mounted through bolts, due to the fact that the bolts are prone to slipping in the mounting process, the spray guns and the mechanical arms shake, and the use requirement is not met are effectively solved.

The invention belongs to the technical field of lifting appliances, and discloses a heating furnace heat treatment lifting appliance which comprises a supporting assembly, the supporting assembly comprises a lifting ring, two lifting chains symmetrically installed on the lifting ring and a cross beam, and the cross beam is fixedly connected with the lifting chains; the connecting assembly comprises connecting rods and two fixing frames, the connecting rods and the two fixing frames are symmetrically installed at the two ends of the bottom of the cross beam, and the two fixing frames are arranged on the two connecting rods correspondingly; the limiting assembly comprises threaded sleeves symmetrically installed on the two sides of the fixing frame, threaded rods penetrating through the threaded sleeves, rotating handles, clamping plates and clamping rings, and the clamping plates and the clamping rings are symmetrically connected to the two ends of the interior of the fixing frame. And operation is easy and convenient, the working efficiency is high, stability and reliability are achieved, the workpiece is not prone to shaking and falling off, and the safety during use is greatly improved.

The invention discloses a cleaning and disinfection device convenient for nursing in an ophthalmology operating room. The cleaning and disinfection device comprises a support part and a disinfection mechanism fixed on the top of the support part, wherein the disinfection mechanism comprises a first fixing plate and a second fixing plate in vertically parallel arrangement; a rotating plate is rotationally arranged at the bottom of the first fixing plate; a slide rod is connected with one side of the rotating plate; a first spring and an I-shaped sleeve are arranged on the slide rod in a sleeving way; one end of the slide rod is connected with a positioning element; a moving plate is rotationally connected with the bottom of the second fixing plate; a cleaning and disinfection device body isrotationally arranged at one end of the moving plate; the moving plate is fixedly connected with the I-shaped sleeve through a linkage rod; and an elastic clamp buckle mechanism is arranged at the top of the second fixing plate, and is used for limiting the position of the moving plate after position regulation. The cleaning and disinfection device convenient for nursing in the ophthalmology operating room has the advantages that the design is reasonable; the use is convenient; the occupied area is small; and the synchronous and fast multi-angle cleaning and disinfection on medical instruments are realized, so that the cleaning and disinfection efficiency and quality are effectively improved.

The invention discloses a stepped heating device for phenolic fiber preparation, which comprises a support frame, a heating frame, a control panel, a power supply wire, an exhaust pipe, a penetrating window, a conveying module, a supporting plate and a conveying mechanism. The conveying mechanism is arranged at the upper end of the heating frame, and phenolic fibers are placed at the upper end of a bearing rod; then the phenolic fibers are limited through the limiting mechanism, then the bearing rod is driven to turn over through the rotating mechanism, so that the phenolic fibers at the upper end of the bearing rod are turned over to the inner side of the heating frame, then the phenolic fibers are ejected out through the ejecting and supporting mechanism, and meanwhile the limiting mechanism relieves blocking of the phenolic fibers; therefore, the phenolic fibers are conveyed to the upper end of the supporting plate, and the advantage that the phenolic fibers can be rapidly overturned and conveyed is achieved.

The invention belongs to the technical field of punching molds, and discloses an ore fixing device for a punching press mold. The ore fixing device comprises a mold base, a limiting device, strip-shaped holes and strip-shaped grooves; the limiting device comprises a movable rod, a fixing seat, a rotating shaft, an empty groove, a connecting rod, a limiting plate and a rebound assembly; and the rebound assembly comprises a twisting plate, a linkage plate, a rebound plate and a spring. According to the ore fixing device, when the movable rod is pushed, the movable rod moves downwards in the empty groove through the rotating shaft, and the limiting plate enters the strip-shaped holes; when the twisting plate is pressed downwards, the connecting rod is pressed downwards along with the twistingplate, the rebound plate is pressed down by the linkage plate, and the limiting plate is pressed downwards to be completely discharged from the strip-shaped holes along with the movable rod; the twisting plate is rotated, the movable rod rotates along with the twisting plate, the limiting plate rotates along with the movable rod, so that the limiting plate is enabled to enter the strip-shaped grooves; when the twisting plate is loosened, the spring rebounds, the rebounding plate rises, the connecting rod drives the limiting plate to rise, and the limiting plate is completely clamped in the strip-shaped grooves. The structure is simple, and the limiting and fixing of the workpiece can be quickly completed.

The invention discloses an integrated automobile emission and automobile comprehensive safety performance inspection platform, which comprises a supporting frame, a mounting frame, a control panel, a gear motor, a conveying roller, a power supply wire and an adjusting mechanism. The adjusting mechanism is arranged at the upper end of the supporting frame, an integrated automobile is positioned through positioning mechanisms, then a jacking mechanism drives a rotating table to move towards the upper end, then a first motor is powered on to work and drives a rotating shaft to rotate, the rotating shaft drives the rotating table to rotate, and the inspection direction can be rapidly adjusted. The jacking mechanism is arranged at the upper end of the adjusting mechanism, a second motor is powered on to work and drives a first swing rod to rotate anticlockwise, the first swing rod drives a moving plate to move towards the upper end through a second swing rod, and therefore the height of the rotating table is adjusted, and the advantage that the height of the rotating table can be rapidly adjusted is achieved.

The invention discloses a mammary gland bracket, which comprises a fixing plate. a first electric push rod which is fixedly welded to the center of the top surface of the fixing plate; a storage mechanism, which comprises a storage frame, a second electric push rod, a placement plate and a sealing cover, wherein the storage frame is fixedly welded to the top of the first electric push rod, the second electric push rod is fixedly welded to the middle of the bottom of the inner wall of the storage frame, the placement plate is fixedly welded to the top of the second electric push rod, and the top of the storage frame is connected with a sealing cover in a matched mode; and a moving mechanism which is fixedly mounted in the placement plate. The mammary gland bracket effectively solves the problems that: when not used, an existing mammary gland bracket cannot be folded and stored and is prone to damage and causes dust attachment after standing outside for a long time, and the distance between massage cups cannot be adjusted, so that the existing mammary gland bracket cannot be suitable for users with different physiques and has large limitation.

The invention discloses a device for analyzing the composition of polymer chemical materials, comprising a discharge valve, an indicator light, a collection frame, a power supply wire and a placing and shaking mechanism. Place the inner side of the set and fixing mechanism, then the motor is powered on to work, driving the connecting piece to perform circular motion, so that the connecting piece drives the rotating block to swing on the upper end of the first swing rod, so that the rotating block drives the fixed frame through the second swing rod to reciprocate left and right move, so that the components in the test tube are mixed, and the advantage of being able to quickly mix the components in the test tube is achieved; by setting up a lifting structure on the upper end of the fixing mechanism, the telescopic cylinder performs telescopic movement, driving the moving plate to move, so that the moving plate can move through the moving plate. The rod drives the fixing frame to move, the height of the fixing frame can be adjusted, and the advantage of being able to place and fix test tubes of different lengths is achieved.

The invention relates to the field of automobile beautifying devices, in particular to an automobile beautifying and wiping device which comprises a base, a moving structure, a fixing structure, a cleaning structure, a mounting structure, a supporting structure and a hanging structure. Through the arrangement of the fixing structure, when the base does not need to be moved, internal components of the moving structure can be fixed, the situation that the internal components of the moving structure automatically slide out is avoided, storage is convenient, and by installing the cleaning structure at the top end of the base, not only can a car wiping towel be cleaned, sewage generated by cleaning towels can be secondarily filtered and used, the water-saving function can be achieved, the rapid installation and replacement of the filtering assembly can be achieved by arranging an installation structure, and the supporting structure is arranged at the top end of the base, so that a vehicle wiping towel placing rack can be conveniently supported; and when not in use, the device can be hidden and stored, so that the situation of reducing the occupied space is achieved.

The invention discloses an integrated three-dimensional LED display module, and relates to the field of LED display modules. The integrated three-dimensional LED display module comprises a driving circuit board and a mask, the mask is located above the driving circuit board, a driving IC is installed at the bottom of the driving circuit board, a plurality of LED display modules are installed in the middle of the top of the driving circuit board, and a plurality of LED lamp beads are installed at the tops of the LED display modules. By arranging the exhaust assembly, when heat in the mask needs to be dissipated, an electromagnet block can be started, an electromagnet ring can be closed, the electromagnet ring loses magnetism after being powered off and does not attract a magnetic block any more, the electromagnet block can generate magnetism after being powered on and then can attract the magnetic block, and the magnetic block is attracted to one side of the electromagnet block so that the cavity can not be shielded any more; and hot air enters the cavity, enters the exhaust holes through the cavity and then is exhausted through the exhaust holes so that the radiating effect of heat in the mask can be improved, damage to the LED lamp beads due to the fact that the heat is accumulated in the mask is prevented, and the service life of the LED lamp beads is prolonged.

The invention discloses a rapid turnover device for new energy automobile air conditioner compressor bearing machining. The device comprises a supporting frame, a first guide seat, a second guide seat, a rotating disc and positioning mechanisms. The positioning mechanisms are arranged at the upper end of the rotating disc, motors are powered on to work, gears are driven to rotate anticlockwise, the gears drive racks to move towards the right end, the racks move at the upper ends of guide rails through sliding blocks, meanwhile, tension springs are pulled to stretch, the two sides of a bearing are clamped and fixed through clamping plates, and the advantage that the bearing can be rapidly limited and fixed is achieved. The clamping plates are arranged at the upper ends of the positioning mechanisms, the racks drive vertical plates to move, the vertical plates slide on the inner side of the rotating disc through connecting blocks, pulleys rotate to enable the vertical plates to move stably, meanwhile, top beads can be attached to the side ends of the bearing, and when polarization force is generated at the upper end of the bearing, the top beads can press pressure springs to generate deformation shrinkage, and the advantage that the bearing can be stably fixed is achieved.

The invention belongs to the technical field of high-precision part machining, and discloses a high-precision part synchronous inner and outer hole flanging machining die which comprises a fixed bottom plate. Guide sleeves are arranged on the left side and the right side of the top of the fixed bottom plate correspondingly, guide columns are movably inserted into the tops of the guide sleeves, anda fixed top plate is arranged at the tops of the guide columns. The top of the fixed top plate is connected with an electric push rod, the bottom of the electric push rod is connected with a movabledie holder, fastening devices are arranged on the left side and the right side of the bottom of the movable die holder correspondingly, the bottom of the movable end of the electric push rod is connected with an out hole flanging device, and the left side and the right side of the bottom of the movable die holder are each provided with a limiting rod and a positioning clamping plate. A fixed die holder is arranged on the inner walls of the lower ends of the guide sleeves. It is effectively guaranteed that the hole flanging position of a machined part is not prone to breakage, hole flanging canbe more easily performed on the machined part, meanwhile, inner hole flanging machining and outer hole flanging machining are conducted synchronously, coaxiality is effectively guaranteed, the machined part is good in stability and high in precision during hole flanging, the machined part obtained after hole flanging is automatically ejected out, and the machining efficiency is improved.