64results about How to "Smooth left and right movement" patented technology

The invention relates to a tinning device, in particular to a quantified tinning device for colorful candies. The quantified tinning device for colorful candies achieves technical purposes. In order to achieve the technical purposes, the quantified tinning device for colorful candies comprises a base plate, a first support, an inner gear ring and the like; the first support and a third support arearranged on the top of the base plate, the inner gear ring is rotationally connected to the front portion of the first support, a first rotating shaft is arranged at the front portion of the first support and located inside the inner gear ring, the inner gear ring and the right first support are each provided with a first belt wheel, and a first flat belt is wound around the first belt wheels. The tinning device has the effects that during quantified tinning, the number of candies of each tin is small, and operation is easy and convenient; knocking balls continuously knock a guiding plate, candy falling is more smooth, the deviation of the numbers of candies discharged every time is lowered, the quantified precision of the device is improved, and the device is reliable and stable, and high in generalizability.

The invention discloses a filter device provided with a conveniently replaceable filter screen for sesame oil production. The filter device comprises a shell, the top of the shell is fixedly connectedwith a guiding funnel, four corners of the bottom of the shell are all fixedly connected with support columns, the right side of the shell is provided with an opening I, the left side of the shell isfixedly connected with a transmission case, the interior of the shell is movablely provided with a filter box, the left side of the filter box is fixedly connected with a push rod, and the left end of the push rod runs through the shell and stretches inside the transmission case. By clamping a filter plate inside the filter box and fixing the filter plate through a clamping rod and a clamping groove simultaneously, the filter device has the advantage that the filter screen is convenient to replace and solves the problem that in a current filter device, a filter screen can be taken out only after a box is completely opened as required so that the filter screen is inconvenient to replace, and the filter device provided with the conveniently replaceable filter screen for the sesame oil production is easy to operate, high in practicability and convenient for people to use.

The invention discloses a high-damping vibration-reduction rubber bearing for a bridge. The high-damping vibration-reduction rubber bearing comprises a rubber block, the upper surface of the rubber block is fixedly connected with an upper connection plate, and the upper surface of the upper connection plate is in lapped connection with the lower surface on an upper pre-buried plate. According to the high-damping vibration-reduction rubber bearing for the bridge, by arranging supporting rods, rolling wheels, trapezoidal blocks, sliding devices and elastic devices, vibration of the bridge drivesthe two supporting rods and the two rolling wheels to move downwards through the upper pre-buried plate and the upper connection plate, and under pressure, first springs can generate elastic force soas to reduce vibration of the upper pre-buried plate; by arranging vibration-reduction devices, under pressure, second springs can generate elastic force so as to reduce vibration of the upper connection plate. In this way, vibration of the pre-buried plate is reduced through multiple structures, the vibration-reduction ability of the upper pre-buried plate is improved, the damage to the rubber block can be reduced, and the service life of the rubber block is ensured.

The invention discloses a battery storage device for a new energy automobile with a heat radiation function. The battery storage device comprises a first U-shaped plate, wherein the right side surfaceof the outer wall of the first U-shaped plate is fixedly connected with the left side surface of the outer wall of a second U-shaped plate; the lower surface of the outer wall of the second U-shapedplate is fixedly connected with the upper surface of a support plate; a first rotating device is clamped with the right side surface of the support plate; the left end of the first rotating device isfixedly connected with the right side surface of a first moveable rod. According to the battery storage device for the new energy automobile with the heat radiation function, due to cooperation of a second moveable rod, a second rotating shaft, a second bearing, a coiling disc, a traction rope, a moveable plate, a motor, a third rotating shaft, a third bearing, the second U-shaped plate and fan blades, the heights of the fan blades can be adjusted, effective heat radiation of a new energy battery can be achieved, the fan blades can be far away from a battery when the battery needs to be repaired and replaced by an operator, and thus convenience can be brought to the operator to replace the battery.

The invention discloses a locomotive hub grinding device. The locomotive hub grinding device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with two fixedplates; the two fixed plates are separately positioned at left and right sides of the upper surface of the bottom plate; threaded caps are in blocking connection on the side surfaces of the fixed plates; the inner parts of the threaded caps are in threaded connection with threaded studs; and the left ends of the threaded studs are in blocking connection with the right side surfaces of extruding plates through auxiliary devices. According to the locomotive hub grinding device disclosed by the invention, handles are arranged, and a right side blocking block is firstly moved out from a blockingslot, so that a worker rotates the right side handle to drive a rotary plate and the corresponding threaded stud to rotate; under action of the threaded cap at the right side, the threaded stud at theright side moves leftwards to drive a first rotary shaft, a bearing and the extruding plates to move leftwards, so that the two extruding plates can stably clamp a hub, and therefore, the hub does not shake in a grinding process, the grinding effect of the hub is better, working strength of the worker is relieved, and working efficiency of a plant is improved.

The invention provides a workpiece synchronous clamping mechanism, which belongs to the technical field of mechanical processing. It includes a gear, an upper L-shaped pressing plate, a lower inverted L-shaped pressing plate, an upper rack, and a lower rack. The gear is rotatably arranged at the left end of the piston rod. The upper end is provided with a lower rack, the upper rack is meshed with the gear, the lower rack is also meshed with the gear, the upper guide rod and the upper guide sleeve can be slidably connected, the upper fixed clamp is set on the frame, and is located on the upper L-shaped pressure plate On one side, the upper jaw is also installed on the frame, and is located on the upper side of the upper L-shaped pressure plate and the upper fixed clamp block, the lower guide rod and the lower guide sleeve are slidably connected, and the lower fixed clamp block is set on the frame. And be positioned at one side of inverted L-shaped pressing plate, lower jaw is also installed on the frame, and is positioned at the lower end of inverted L-shaped pressing plate and lower fixed clip block. The invention simultaneously realizes applying the same clamping force to workpieces with different thicknesses, has reasonable structure and good reliability.

The invention discloses a grinding device for car accessory machining, and relates to the technical field of car accessories. The device comprises a box body, the left side face of the inner wall of the box body is fixedly connected with a first electric push rod, the right end of the first electric push rod is fixedly connected with a supporting plate, the left side face of the supporting plate is in clamped connection with a sliding sleeve, the inner surface of the sliding sleeve is in sleeved connection with a sliding rod, the two ends of the sliding rod are fixedly connected with the leftside face and the right side face of the inner wall of a through hole, the through hole is formed in the upper surface of the box body, a bearing is clamped to the left side face of the supporting plate, and the inner surface of the bearing is sleeved with a rotating shaft. According to the grinding device for car accessory machining, through cooperation of a first motor, a first fixed block, a second fixed block, the first electric push rod, a second electric push rod, a dust storage box, a second motor and a grinding piece, the grinding speed is accelerated, body health of a worker is ensured, and work efficiency of a worker is improved.

The invention discloses a convenient-to-use cleaning device for a purifier filter screen. The cleaning device comprises a base plate, a first vertical plate and a second vertical plate are fixedly connected with the base plate, and the upper surfaces of the first vertical plate and second vertical plate are fixedly connected to the lower surface of a transverse plate; a through hole is formed in the side surface of the first vertical plate, pulleys are fixedly connected to the lower and upper surfaces of the inner wall of the through hole, and two sliding rods are fixedly connected to the right side surface of the first vertical plate. According to the convenient-to-use cleaning device for the purifier filter screen, a spring pushes a sliding sleeve to the right under the elastic force ofthe spring, the sliding sleeve drives a hair brush to move right through a vertical rod, a motor constantly revolves, therefore the hair brush makes reciprocating movements left and right to remove dust remaining on the front surface of the filter screen body, half of the time of removing dust is saved compared with the mode that workers remove dust manually, so that working efficiency of the workers is improved by three times, physical power of workers is saved, and workers can conveniently work.

The invention discloses a fixing pillow for head radiography of a patient with cerebral hemorrhage. The fixing pillow for head radiography of the patient with cerebral hemorrhage comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a pillow body; the lower surface of the bottom plate is fixedly connected with a fixing block; the lower surface of the fixing block is fixedly connected with a double-shaft motor; output shafts of two ends of the double-shaft motor are separately fixedly connected with rotating shafts; the right end of each rotating shaft is fixedly connected with a threaded column; the surface of each threaded column is in threaded connection with a threaded cap. According to the fixing pillow for head radiography of the patient with cerebral hemorrhage, by arrangement of the double-shaft motor, the output shafts of the double-shaft motor forward rotate to drive the rotating shafts and the threaded columns to rotate forwards, thus, the threaded columns drive the threaded caps to move leftwards, the threaded caps drive a first connecting block, a sliding sleeve, a supporting block, a second connecting block, a fixing plate, an air cushion and a soft pillow to move leftwards, medical workers can rapidly fix the head of a stupamus patient, the diagnosis and treatment time of doctors for the patient is prolonged, and the fixing pillow brings convenience for diagnosis and treatment of the medical workers.

The invention discloses a stem cell transport case convenient to fix. The stem cell transport case comprises a shell, a glass fiber board is arranged on the inner wall of the shell, through holes areformed in the left and right side faces of the glass fiber board, first bearings are clamped to the positions, corresponding to the through holes, of the shell, first rotating shafts are connected tothe inner walls of the first bearings in a sleeved manner, the left ends of the first rotating shafts are fixedly connected with the right side face of a second gear, the second gear is meshed with afirst gear, a second rotting shaft is fixedly connected to the inner wall of the first gear, the outer wall of the second rotating shaft is sleeved with a second bearing, the second bearing is clampedto the left side face of the outer wall of the shell. According to the stem cell transport case convenient to fix, a first fixing rod, the first rotating shafts, the first gear, the second gear, thesecond rotating shaft, a threaded column, a threaded cap, a connecting rod and a fixing plate jointly act to achieve fixation of a test tube, and the condition that the test tube collides a box body in the transporting process and is damaged, and consequently stem cell damage is avoided.

The invention discloses a polishing machine capable of removing dust. The polishing machine comprises a bottom plate, supporting legs are fixedly connected to the bottom of the bottom plate, the top of the bottom plate is fixedly connected with a fixing plate, and the top of the fixing plate is fixedly connected with a shell; and a grinding wheel is arranged inside the shell, a water distributor is arranged on the top of the shell, and the bottom of the water distributor penetrates through the top of the shell and extends into the interior of the shell. According to the polishing machine, a collecting barrel and a filter screen are arranged, scrap iron and dust particles can be filtered by the filter screen, the collecting barrel can be used for collecting sundries; a water pump and a water outlet pipe are arranged, water is led into the water distributor again, and grinding wheel wetting operation is carried out so that the water can be recycled, and the waste of water resources can be reduced; and a limiting plate, a rubber strip and a flow guide plate are arranged, a workpiece moves rightwards to squeeze the rubber strip, displacement of the rubber strip is limited by the limiting plate and rubber can rebound so that the rubber strip can be wound around the workpiece after being bent, and splashing of water flows driven by rotating of the grinding wheel can be avoided.

The invention discloses a mechanical lifting type heatable operating table, and relates to the technical field of surgeries. The mechanical lifting type heatable operating table comprises an operatingtable body, wherein the upper surface of the operating table body is provided with a groove, the lower surface of the inner wall of the groove is in lap joint with the lower surface of surgical mattress through an insulating layer, the insulating layer is internally provided with an electric heating wire body, the surgical mattress is arranged on the upper surface of the operating table body, andtwo temperature sensors are arranged in the surgical mattress separately. The mechanical lifting type heatable operating table has the advantages that through the cooperation among the surgical mattress, the electric heating wire body, the insulating layer, the temperature sensors, a temperature display and a temperature regulating switch, a medical worker can adjust the temperature of the surgical mattress through the temperature regulating switch according to actual situations, thereby avoiding the problem that the temperature of the surgical mattress is too high and burns a patient, so that the electric heating wire body in the operating table body heats the surgical mattress, the whole body of the patient is heated evenly, surgical pollution is avoided, and the mechanical lifting typeheatable operating table is safe and reliable.

The invention discloses a dumbbell placement rack which comprises a rubber base. The rubber base is a cuboid having the thickness not more than 5 mm, a base is installed on the upper end face of the rubber base and is a cuboid, sliding rails are transversely arranged at the front portion and the rear portion of the upper end face of the base, the sliding rails on two sides are parallel to the base, sliding plates are installed on the left side and the right side of the sliding rails, the sliding plates on two sides are in matched connection with the sliding rails on the front side and the rearside, gas-liquid damping cylinders are installed on the sliding plates, and the outer walls of the gas-liquid damping cylinders are sleeved with damping springs. By adding the rubber base at the lower end of the base, the dumbbell placement rack can adapt different environments and have enough friction force to the ground, and rack inclination is avoided. In addition, the damping springs and thegas-liquid damping cylinders are installed at the upper portions of the sliding plate, so that a side seat at the top can be pressed down under the gravity, instantaneous gravity is relieved through the damping springs and the gas-liquid damping cylinders, and ground damage is avoided.

The invention mainly discloses an automatic conveying device for electronic product detection. Its technical proposal includes a conveying device, a moving device and a detecting device. There is a rodless cylinder connected to the board, the mobile cylinder is connected with the rodless cylinder, and the mobile cylinder is also connected with the fixture. The detection device includes a support frame, a detection table, a rotating table and a fixing device. The detection table and the fixing device are all installed on the support frame. The rotary table is rotatably connected in the detection table, and the fixing device includes a fixed base, a second rotating motor and a press, and the output shaft of the second rotating motor is connected with the press through a rotating plate. The invention separates the conveying device and the detection device to avoid mutual influence, not only speeds up the detection speed, but also improves the detection efficiency. At the same time, the rotary table is used to automatically rotate the product, and the product is fixed by the fixing device, so that the detection is more comprehensive and accurate.

The invention discloses a polishing device used for production of wood-plastic floors. The polishing device comprises a first cross plate; a hydraulic rod is fixedly connected to the rear surface of the top of the first cross plate; the top of the hydraulic rod is fixedly connected with a fixed plate; the front surface of the fixed plate is fixedly connected with a transmission box; and the left side of the top of the transmission box is fixedly connected with a first motor. According to the polishing device, the first cross plate, the hydraulic rod, the fixed plate, the transmission box, thefirst motor, a first movable column, a rotary disc, a first fixed column, a first transmission rod, a first fixed block, a second transmission rod, a second fixed column, a third transmission rod, a third fixed column, a second fixed block, a slide box, a second movable column, a second motor, a grinding disc and a clamping device are matched for use, so that the problem of a current polishing device that polishing is not smooth enough, so that a machining effect is poor is solved; the polishing device used for production of wood-plastic floors has the advantage of good machining effect; use by a user is convenient; and the practicability of the polishing device is improved.

The invention discloses a pattern sewing machine. The pattern sewing machine comprises a workbench mechanism, a sewing mechanism, an X-direction driving mechanism, a Y-direction driving mechanism anda template quick assembly component and a template component; the workbench mechanism comprises a main rack and a workbench board; the workbench board is arranged on the main rack; the sewing mechanism comprises a sewing machine head; the sewing machine head is fixedly arranged on the main rack; the X-direction driving mechanism and the Y-direction driving mechanism are arranged on the main rack;and the X-direction driving mechanism and the Y-direction driving mechanism drive the template quick assembly component and the template component to move. The pattern sewing machine is characterizedby further comprising a die change device, and the die change device sends the template component to the template quick assembly component for fixed connection or takes out the template component fromthe template quick assembly component.

The invention discloses a working table cleaning mechanism for ceramic processing. The mechanism comprises a working table body. According to the mechanism, through cooperation and application of a water pump, a first hose, a second hose, a water inlet pipe, a seal cover, a motor, a rotation disc, a rotation pin, a first transmission frame, a transmission rod, a transmission column, a brush and aflow guide pipe, through cooperation of the water pump, the first hose and the second hose, water is sprayed to the top of the working table body; the first transmission frame moves leftwards and rightwards to drive the transmission rod to move leftwards and rightwards, the transmission rod drives the transmission column to move leftwards and rightwards, the transmission column drives the brush tomove leftwards and rightwards, and the effect of cleaning the working table is achieved. According to the working table cleaning mechanism for ceramic processing, the problem is solved that after anexisting working table is used for a long time, waste residues after processing exist on a table top, and during later ceramic processing, due to a large number of waste residues on the table top, allthe waste residues are sucked on the ceramic surface.

The invention belongs to the technical field of machining of titanium dioxide, and particularly relates to a titanium dioxide grinding machine and an operation method. The titanium dioxide grinding machine comprises a base and a grinding box, wherein first supporting legs are arranged at the bottom of the grinding box, roller wheels are arranged at the bottom ends of the first supporting legs, thebottoms of the roller wheels are in sliding connection with the inside of a sliding groove formed in the upper surface of the base, a discharge pipe is arranged at the center of the bottom of the grinding box, and a discharge valve is arranged on the discharge pipe. The top of the grinding box is connected with a feeding box through second supporting legs, a feeding pipe is arranged at the bottomof the feeding box, and the bottom end of the feeding pipe penetrates into the grinding box. Through the cooperation of a vibration device, a sliding rod, a sliding sleeve, a connecting plate and a spring, when a grinding motor drives a grinding disc to grind titanium dioxide particles, a vibration motor operates to enable the grinding box to move left and right in a reciprocating mode, so that the titanium dioxide particles in the grinding box are further vibrated, and the grinding efficiency of the titanium dioxide particles is greatly improved.

The invention discloses a filter element stain treatment device for reverse osmosis water treatment, which relates to the technical field of water treatment. The filter element stain treatment device comprises a box body, a forward and reverse motor is fixedly connected to the left side wall of the box body, a rotating rod is fixedly connected to an output rotating shaft of the forward and reverse motor, the rotating rod penetrates through the box body and extends into the box body, and a first rotating wheel is fixedly connected to the left end of the rotating rod; a first fixed disc is fixedly connected to the right end of the rotating rod, a first telescopic spring is fixedly connected to the right side wall of the box body, a movable plate is fixedly connected to the left end of the first telescopic spring, a second fixed disc is rotationally connected to the left side face of the movable plate, a second rotating wheel is arranged above the first rotating wheel, and the second rotating wheel is in transmission connection with the first rotating wheel through a belt. According to the filter element stain treatment device for reverse osmosis water treatment, a second telescopic spring is driven by a sliding rod, so that a brush head swings, the surface of a filter element is brushed left and right, and brushed stains are flushed through a water pipe.

The invention relates to the technical field of lock cylinder machining, in particular to a carrying and positioning mechanism for lock cylinder machining and a working method thereof. The carrying and positioning mechanism comprises a base table, a protection frame, a frame body, a moving assembly, a second hydraulic cylinder and a clamping and fixing assembly, a lock cylinder is clamped through the clamping and fixing assembly to be positioned, the lock cylinder is firmly clamped through a chuck, the lock cylinder can be moved away from a conveying chain through the moving assembly, so that the mechanism can position the lock cylinder more reliably, the use reliability of the mechanism is further improved, the clamping and fixing assembly is installed on the moving assembly, the clamping and fixing assembly can position the lock cylinder to a wider range, more powerful positioning support is provided for other mechanisms to machine the lock cylinder, the compatibility of the mechanism is improved, the situation that the lock cylinder deviates in the conveying process of the conveying chain is avoided through the arrangement of a guide rail, and then it is guaranteed that the mechanism operates more stably, reliably and accurately.

The invention discloses automatic feed adding equipment for livestock and poultry breeding and a using method thereof. The automatic feed adding equipment comprises a fixing frame, a first adjusting assembly, a supporting assembly, a second adjusting assembly and a third adjusting assembly, a first motor is installed at the top of the fixing frame, a base is welded to the top of the fixing frame, and the first adjusting assembly is connected to the bottom of the first motor; the size of a feed opening in the bottom of a channel is changed by adjusting a third adjusting assembly, feed needed by different kinds of livestock and poultry is added, feed waste is avoided, feed needed by the same kind of livestock and poultry in different growth stages is conveniently added, growth of the livestock and poultry is facilitated, and the horizontal position of a feed box is changed by adjusting a second adjusting assembly. Feed is added to livestock and poultry in different areas, the feed adding working efficiency of the device is improved, high efficiency of the device in use is achieved, the first adjusting assembly is adjusted, the height of the feed box is changed, and the device can conveniently add feed to feed troughs with different heights.

The invention discloses a horizontal type position changing machine used for car chassis welding, and relates to the technical field of machining. The machine comprises a rack, a left cabinet is fixedly connected to the upper surface of the rack, a first rotating device is clamped to the right side face of the left cabinet, the right end of the first rotating device is fixedly connected with a first rotating disc, the right side face of the first rotating disc is fixedly connected with the left side face of a movable plate, the upper surface of the movable plate is fixedly connected with a first fixed plate, a second fixed plate is arranged on the right side of the first fixed plate, and a sliding block is fixedly connected to the lower surface of the second fixed plate. According to the horizontal type position changing machine used for car chassis welding, through the joint effect of the first fixed plate, the second fixed plate, a thread column, a thread cap, a second rotating shaft, a second bearing and a movable rod, fixing of a car chassis is achieved, the machine can be suitable for car chassises in different sizes, and normal machining of car chassis welding is ensured.

The invention discloses an efficient medicine smashing device. The efficient medicine smashing device comprises a medicine smashing bowl and a medicine smashing rod which is arranged on the medicine smashing bowl and is provided with a smashing head; the medicine smashing bowl is arranged on a base plate, the two sides of the medicine smashing bowl are correspondingly provided with supporting frames which are arranged on the base plate, a supporting plate is arranged at the top ends of the supporting frames, and a guide hole capable of allowing the medicine smashing rod to penetrate through isformed in the position, right opposite to the medicine smashing bowl, of the supporting plate; and a lifting fixing block is arranged on the medicine smashing rod, a rotating motor and a horizontal moving block are arranged on the supporting plate, a rotating wheel is arranged at the output end of the rotating motor, the rotating wheel is connected with a push rod through a rotating pin, the other end of the push rod is spherically hinged to one side surface of the horizontal moving block, and the surface, opposite to the surface which is spherically hinged to the other end of the push rod, of the horizontal moving block is an inclined surface. According to the efficient medicine smashing device, automatic medicine smashing can be carried out, so that the medicine smashing efficiency is improved, and the device has relatively high practicability.

The invention discloses an adjustable polishing device for automobile parts, and relates to the technical field of the automobile parts. The adjustable polishing device comprises a pedestal. The uppersurface of the pedestal is fixedly connected with the lower surface of a box body. A first sliding chute is formed in the lower surface of the inner wall of the box body, and two first sliding blocksare connected into the first sliding chute in a sliding mode. The upper surfaces of the two first sliding blocks are both fixedly connected with the lower surface of a fixed plate. A second sliding chute is formed in the upper surface of the fixed plate, and a second sliding block is connected into the second sliding chute in a sliding mode. According to the adjustable polishing device for the automobile parts, a motor, a first linear actuator, a second linear actuator, a third linear actuator, a polishing sheet, the first sliding blocks, the first sliding chute and the fixed plate cooperatewith each other, and therefore, there is no need for workers to manually put the positions needing to be polished under the polishing sheet, working efficiency of the workers is improved, and workingby the workers is facilitated.

The invention discloses raw material efficient crushing equipment for cosmetic essential oil production. The equipment comprises a box. A feeding opening is arranged on the upper portion of the box. Acrushing box is arranged on the upper portion in the box. Multiple transition pipes are arranged below the crushing box. A compression box is arranged at the ends, away from the crushing box, of thetransition pipes. A collection pipe is arranged on the left side o f the lower portion of the compression box. A collection box is arranged at the end, away from the compression box, of the collectionpipe. A second fixed plate is arranged on the right side of the lower portion in the box. A rotating motor is arranged on the right side of the second fixed plate. A rotating shaft is arranged at theoutput end of the rotating motor. When the equipment runs, the feeding opening is utilized for carrying out raw material filling on the equipment, after raw materials enter the crushing box, a driving bevel gear is driven by the rotating shaft to rotate, and therefore a driven bevel gear rotates, a crushing shaft drives a crushing blade to rotate, and therefore crushing machining on cosmetic rawmaterials is achieved, the crushing effect is good, consumption of labor force is low, production efficiency is high, and the equipment is suitable for great popularization.

The invention discloses a sorting screening device for tea preparation, and relates to the technical field of agricultural product processing. The sorting screening device comprises a screening box; the left side of the upper surface of the screening box is fixedly connected with a first fixing plate, and the upper side and the lower side of the right side surface of the first fixing plate are fixedly connected with elastic devices; the right ends of the elastic devices are fixedly connected to the left side surface of a shell; and the lower surface of the shell is provided with a first through hole. According to the sorting screening device for tea preparation, through mutual cooperation of a driving device, the elastic devices, a toothed rod, a semi-gear, the shell, the screening box, afirst screen plate, a second screen plate, a third screen plate and the screening box, an output shaft of a motor in the driving device rotationally drives the semi-gear to rotate, the semi-gear rotationally drives the toothed rod to move rightwards, after the semi-gear is rotationally separated from the toothed rod, first telescopic rods and springs in the elastic devices drive the shell to moveleftwards, tea in the shell is screened, the tea can be sorted during tea screening, and the workload of people is decreased.

The invention discloses a new material cutting device with a protection function, and relates to the technical field of new materials. The device comprises a base, the upper surface of the base is fixedly connected with the bottom end of a third fixing rod, the top end of the third fixing rod is fixedly connected with the lower surface of a first driving device, a thread nut is in threaded connection with the outer wall of the first driving device, the upper surface and the lower surface of the thread nut are fixedly connected with the opposite faces of two connection rods, and the left ends of the two connection rods are both fixedly connected with the right side face of a supporting rod. According to the new material cutting device with the protection function, by means of the combined action of a first motor, a thread column, the thread nut, the connection rods, the supporting rod, a first sliding rod, a first sliding sleeve, a second electric push rod, a U-shaped plate, a second motor and a cutting blade, new materials are accurately cut, waste scraps are prevented from sputtering and injure people in the cutting process, and workers are protected.

The invention discloses a cutting device for a spring with a smooth cut. The device comprises a base, wherein a first chute is formed in the upper surface of the base; two first slide blocks are slidably connected to the inner wall of the first chute; a first thread cap is fixedly connected to the upper surface of each first slide; a first thread column is in threaded connection to the inner wallof each thread cap, and a fixed plate is fixedly connected to the upper surface of each first thread cap; and a first through hole is formed in the right side face of the fixed plate. According to thecutting device for the spring with the smooth cut, the spring is fixed more stably and the spring is prevented from swinging in a cut process by means of joint actions of a first movable rod, a second movable rod, the first thread columns, second thread columns, the first thread caps, second thread caps, a connecting rod, a first rotating shaft, a second rotating shaft, a telescopic rod, the fixed plates, a first extrusion plate and a second extrusion plate, so that the cut of the spring is smoother, and use and processing of the spring in the later period are guaranteed.

The invention discloses a composite plate polishing machine having a dust prevention function. The composite plate polishing machine comprises a base, wherein the upper surface of the base is fixedlyconnected with a first shell; the lower surface of an inner wall of the first shell is fixedly connected with the lower surface of a fixed plate through four support legs; a groove is formed in the upper surface of the fixed plate; the right side surface of the inner wall of the groove is fixedly connected with a first electric push rod. According to the composite plate polishing machine having the dust prevention function disclosed by the invention, a motor, the first electric push rod, a second electric push rod, a third electric push rod, the first shell, a second shell, a fixed block, thefixed plate, a sliding rod, a sliding sleeve, a connecting block, a connecting plate, the motor and a polishing plate are arranged and are mutually cooperated, impurities and dust produced by polishing a composite plate by adopting the polishing plate can stay between the first shell and the second shell and cannot be breathed by a working personnel, so that convenience for the working personnel to work is provided, the working efficiency of the working personnel is improved, and a body of the working personnel cannot be affected.