29results about How to "Quick flip" patented technology

The utility model discloses a waste lithium ion battery electrolyte recovery device which comprises a main machine frame, a second transverse plate frame and a first transverse plate frame, the second transverse plate frame and the first transverse plate frame are fixed to the left side and the right side of the main machine frame respectively, a hydraulic puncture machine is installed at the top end of the main machine frame, and sliding tables are installed on the outer walls, close to each other, of the second transverse plate frame and the first transverse plate frame in a sliding mode. A four-corner pneumatic clamp is rotationally installed between the two sliding tables, and a Y-axis lead screw linear discharging module for driving the sliding tables and the four-corner pneumatic clamp to be away from or close to the hydraulic puncture machine is installed in the first transverse plate frame. According to the utility model, the hydraulic puncturing machine completes puncturing operation of a liquid injection port, then the belt wheel driving unit and the Y-axis screw rod linear blanking module enable the four-corner pneumatic clamp and the waste lithium ion battery pack to move out, and in the moving-out process, the driven gear rack dumping structure enables the four-corner pneumatic clamp and the waste lithium ion battery pack to turn over; and recycling is completed until the electrolyte is poured out.

The utility model provides a plane grinding machine can overturn multi -functional clamp, it includes clamp base, spherical clamp, spherical clamp recess, upper fastening screw hole, lower fastening screw hole, left rack, spherical clamp fixed gear, fastening screw, spherical clamp fixed rod, wherein: spherical clamp is arranged on the clamp base, two fastening screws are fixed on the spherical clamp respectively through upper fastening screw hole, lower fastening screw hole to adjust the relative distance between two parts of mutual cooperation in spherical clamp, spherical clamp fixed rod is fixedly connected with spherical clamp, spherical clamp fixed gear is installed on spherical clamp fixed rod and engages with left rack, the utility model aims at providing a plane grinding machine adjustable clamp, this clamp can satisfy one kind of clamp and hold multiple different shape workpieces, can realize workpiece fast overturn after machining, simplifies operation step, reduces operation difficulty, improves processing efficiency.

The utility model provides a kind of gantry machining auxiliary bracket of workpiece is convenient to turn over, belong to mechanical engineering field, including frame, the inside of the frame is provided with the turnover component for the workpiece is turned over, the one side of the frame is provided with the mistake prevention component for preventing workpiece to appear turnover error.The utility model is turned over by being provided with turnover component, the effect that workpiece is quickly turned over is realized, servo motor drives screw rod rotation, drives support along horizontal direction steady reciprocating motion, the height of first electric push rod adjusting fixing frame is adjusted, ensure that workpiece is clamped in optimum position, workpiece is exerted stable clamping force by electric clamp, second electric push rod cooperates with L-shaped frame, to workpiece is smoothly turned over, the turnover efficiency of workpiece is significantly improved.

The present application relates to the field of transportation equipment, and more particularly to a joint sealant workshop AGV carrying device, characterized in that it comprises a vehicle body and a mounting disc connected to the top of the vehicle body through a universal ball and a universal ball seat; a circular groove is arranged at the center of the mounting disc, a regular polygon mounting block is arranged at the center of the circular groove, and each side of the regular polygon mounting block is hingedly connected with a sector plate; an anti-toppling mechanism is arranged in the mounting cavity, which can make the sector plate corresponding to the tilting direction rotate along the hinged end when the mounting disc tilts; the present application can adjust the position of the joint sealant by turning the plurality of sector plates, thereby avoiding the joint sealant from falling and also avoiding the vehicle body from toppling over.

The utility model relates to maintenance device technical field especially relates to a kind of turnover device, including support frame, turnover assembly and moving assembly;Support frame includes two opposite fixed load-bearing beams, two load-bearing beams are spaced apart along left and right direction, and load-bearing beam is along front-back direction extension setting;Turnover assembly includes first connecting piece, first turnover piece and second turnover piece, first connecting piece is slidably connected in two load-bearing beams, and first turnover piece includes first turnover lever and first driver, and second turnover piece includes second turnover lever and second driver, and first turnover lever and second turnover lever are arranged in first connecting piece, and first driver is connected to first turnover lever, and second driver is connected to second turnover lever;Moving assembly is arranged in load-bearing beam, and moving assembly is connected to first connecting piece, and moving assembly drives first connecting piece to move along front-back direction.The utility model turnover device is high in safety and high in work efficiency during turnover operation.

This utility model relates to the field of gear processing technology, specifically disclosing a positioning and processing fixture for planetary reducer gears. It includes a worktable with an auxiliary mechanism on its end face. The auxiliary mechanism includes a vertical plate fixedly connected to the end face of the worktable. A rotating rod is rotatably connected to the surface of the vertical plate, and a fixed frame is fixedly connected to one end of the rotating rod. A limit groove is formed on the surface of the fixed frame, and two L-shaped plates are slidably connected to the inner wall of the limit groove. A motor is fixedly connected to one side of the fixed frame, and a screw is fixedly connected to the output end of the motor. This utility model, through the screw and its threaded drive, enables the two L-shaped plates to move closer together to securely clamp the workpiece. The rotation of the rotating rod allows for rapid flipping of the workpiece, minimizing the need for workers to disassemble the workpiece before flipping it, thus improving the processing speed to a certain extent.

The utility model discloses a kind of compressor cylinder drilling machine tools, it is related to cylinder processing technical field, including punching part and rotating frame, rotating frame both ends are rotatably provided with support plate, the support plate is fixedly arranged on the upper end of base, the rotating frame inside is equipped with several clamping assemblies, the lifting plate is slidably arranged between two support plates, the upper end of base is equipped with lifting mechanism, the upper end inside machine tool body is equipped with adjusting mechanism, the third sliding plate inside is equipped with turnover mechanism. The utility model is by setting several groups of clamping assemblies in rotating frame inside, so that several cylinder bodies can be clamped and fixed, while rotating frame is rotatably provided with support plate at both ends, third motor can drive rotating frame to rotate, and then it is convenient to quickly overturn cylinder body, so that it is convenient to quickly punch processing cylinder body.

This utility model discloses a quick-folding and positioning device for sofa armrests, relating to the field of sofa armrest technology. It includes a sofa seat with support plates installed on both outer walls. Armrests are installed on the top of both sides of the sofa seat, with a pivot at the bottom of each armrest. A limit spring is installed on the inner wall of each armrest, and a locking rod is installed on the outer wall of the limit spring. A magnetic block is installed on the top of each armrest, and a positioning rod is installed on the outer wall of each armrest. This utility model utilizes the support plates, armrests, pivot, limit spring, and locking rod. Pulling the locking rod inwards allows the horizontal armrest to rotate vertically around the pivot. Releasing the locking rod causes it to be pushed out by the spring force of the limit spring, locking it into place with the sofa seat. This achieves quick folding and positioning of the armrest. The support plates provide support when the armrest is horizontal, preventing excessive folding and ensuring usability.

The utility model relates to the technical field of automobile welding, in particular to a positioning fixture for welding an upper frame, which comprises a mounting plate, a positioning component arranged at the top of the mounting plate, and a protective component arranged at the bottom of the mounting plate. Through cooperative use of the machining table, the driving motor, the two-way lead screw, the rectangular block, the rotating motor, the fixing clamp, the telescopic air cylinder and the limiting plate, rapid fixing and overturning of an automobile workpiece are achieved, so that the welding flexibility and the working efficiency are greatly improved, and the driving motor can drive the two-way lead screw to rotate; the two-way lead screw can drive the two rectangular blocks to move oppositely or oppositely while rotating, then the distance between the two fixing clamps is adjusted so as to adapt to automobile workpieces of different sizes, the automobile workpieces can rotate at any angle in the horizontal plane through the rotating motor, the requirement for different angles in the welding process is met, and the welding efficiency is improved. And the automobile workpiece is clamped or loosened, so that the positioning accuracy and stability are further improved.

The utility model discloses an automatic turnover machine, include: no. The beneficial effect of the utility model is: through the automatic conveying of air purifier shell of roller conveyor and belt conveyor, the turnover mechanism of combination air cylinder drive can be quickly, accurately and turned to the specified angle, and manual handling and turnover are not needed, greatly shorten the time of turnover operation, reduce the waiting time in the production process, thereby significantly improve the overall production efficiency of air purifier, the turnover machine is equipped with the guide portion, can guide and limit the air purifier shell after turning over, ensure the stability of shell when conveying after turning over, avoid appearing and shifting condition, provide good condition for subsequent procedure.

The utility model discloses a mechanism of quick folding of electric backrest belongs to automobile seat adjusting mechanism field, including the linkage mechanism in the inside of base and casing, the linkage mechanism includes carousel and with the lock mechanism of carousel adaptation, and the lock mechanism includes the stop piece and the stopper, the stopper is suitable for the spacing groove at carousel, and the stopper is hinged in the base through spring pin, and the front of stopper still is fixed with the stop piece, whole structure is more compact, reduces the occupied area to space, is favorable to the demand of current intelligent seat, and can play the function of quick folding simultaneously.

The utility model discloses a kind of turnover saw blade polishing machines, including base and polishing assembly, the polishing assembly is set to the top of base, the front side and rear side of base top are all fixedly connected with vertical plate, the inside rotationally connected with shaft of vertical plate, fixedly connected with inner tooth engagement frame between two the shaft, the utility model relates to saw blade polishing technical field.This turnover saw blade polishing machine, by setting multi-rib limiting rod in the end of shaft, and setting multi-rib sliding sleeve and control sleeve on the surface of multi-rib limiting rod, and setting mounting bracket and control board between control sleeve and control board, so that the device can be cooperated by above-mentioned, promote the saw blade in inner tooth engagement frame, it is convenient to quickly turn over and limit reinforcement, to double-sided polishing, secondly, set movable rod and arc reference plate between multi-rib limiting rod and vertical plate, so that the turnover position of inner tooth engagement frame is convenient to refer.

The utility model relates to liquid crystal display production technical field especially, and more particularly to a kind of automatic turnover device for liquid crystal display production.The utility model provides a kind of automatic turnover device for liquid crystal display production, which can control liquid crystal display to be quickly turned over in situ, and the efficiency is higher.A kind of automatic turnover device for liquid crystal display production, including bottom plate, drive wheel, rotating frame and installation frame etc., drive wheel is symmetrically arranged on the upside of bottom plate left and right two parts, installation frame is arranged above drive wheel, and rotating frame is connected to the front and rear of installation frame.The utility model controls lifting frame, mounting frame and clamping pad to clamp and fix liquid crystal display by electric push rod, and clamps the side of liquid crystal display by pneumatic actuator control stabilizer block, then drives rotating frame to drive installation frame to overturn by drive wheel, can reach the effect that liquid crystal display is quickly turned over in situ, and the efficiency is higher.

The utility model discloses a kind of auxiliary processing frock of grooved shell, the left and right ends of base are symmetrically provided with side groove, screw rod is rotatably installed in two groups of side groove, the lower end of two groups of screw rod is fixedly installed with synchronous wheel, synchronous belt is sleeved on two groups of synchronous wheel, lifting frame is threadedly sleeved on two groups of screw rod, the upper end of two groups of lifting frame is provided with overturning assembly, and multiple groups of fixed components are provided on overturning assembly;The utility model guarantees the stability and accuracy of grooved shell in overturning process by the design of overturning assembly, avoids the positioning error possibly generated when reinstallation positioning, to ensure the machining precision, reduce production cost, and the fixed component on frock can firmly fix grooved shell, prevent it from moving or shaking in processing process, further ensure processing quality and safety.

The utility model provides a turn-over device for composite sock production, and belongs to the technical field of sock processing. A turn-over device for composite sock production comprises a workbench, and the workbench comprises a turn-over mechanism and a feeding rotary table mechanism. The turnover mechanism comprises a lifting frame and a turnover frame, the lifting frame is installed on one side of the workbench, a first driving assembly is installed on the lifting frame, a first sliding seat is connected to the first driving assembly, the turnover frame is fixed to the first sliding seat, a first hydraulic cylinder is installed in the center of the turnover frame, and a second hydraulic cylinder is installed in the center of the turnover frame. A downward pressing block is installed on a piston rod of the first hydraulic cylinder, an air blowing assembly used for blowing socks downwards is installed at the bottom of the downward pressing block, four second driving mechanisms are arranged on the turn-over frame in a surrounding mode with the first hydraulic cylinder as the center, and each second driving assembly is connected with a second sliding seat. The bottom of the second sliding seat is fixedly connected with a second hydraulic cylinder, and a hook claw piece used for stripping and lifting a sock opening is fixed to a piston rod of the second hydraulic cylinder. The turnover device has the advantage of being higher in turnover efficiency.

The utility model relates to starch raw material crushing technical field discloses a straight chain starch purification's crushing device, include: the file machine drum, it sets up in the file machine's file grinding cavity, both ends all have a plurality of round cavities and lateral groove, its outer surface has a plurality of mounting cavities, a plurality of crushing assemblies are arranged in the mounting cavity of file machine drum outer surface respectively, the file machine drum is set as when rotating, the utility model makes the spacer and the positioning plate of one end of first clamping strip and second clamping strip are separated, then the crushing assembly in the mounting cavity of file machine drum is assembled and is rotated 180 degrees, realizes the turnover adjustment of double -sided saw blade, in the application, need not the turnover adjustment of disassembling the crushing assembly in the mounting cavity, only need to turn the crushing assembly in the mounting cavity to can turn over the double -sided saw blade, and the operation is simple, quick, and the double -sided saw blade is turned over quickly.

This invention relates to the field of ship propeller shaft system testing technology, specifically to a test device and method for flipping a ship's stern bearing. It mainly consists of a bearing flipping device base, a bearing flipping device liner, a bearing flipping device handle, and related connecting parts. It is connected to the end faces of the stern bearing at the bow and stern ends, respectively. The stern bearing can be flipped by rotating the bearing flipping device handle, and the upper and lower bearing sleeves of the stern bearing can be lifted using the ring screws on the device. This invention utilizes the principle of relative sliding between the friction pair of a sliding bearing and a supporting shaft to flip the ship's stern bearing on the test platform. It enables rapid flipping of the ship's stern bearing, is easy to operate, and achieves stern bearing flipping without disassembling the test shaft, significantly simplifying the testing process, reducing the lifting work of heavy components, effectively eliminating safety and quality hazards caused by disassembly and assembly, and improving overall testing efficiency.

This utility model discloses a cranial flap resuscitation and perfusion device, including a workbench with a platform plate fixedly connected to the top of the workbench; a perfusion mechanism is provided on the top of the platform plate, and a sealing component is provided inside the perfusion mechanism; wherein, the perfusion mechanism includes an insulated box fixedly installed on one side of the top of the platform plate, and an inner liner is embedded in the inner side of the insulated box, and a liquid addition pipe is fixedly connected between the top of the insulated box and the inner liner, thereby enabling precise control of the temperature, flow rate and pressure of the perfusion fluid, simulating the human physiological environment, providing good resuscitation conditions for the isolated cranial flap, effectively maintaining the activity of cranial flap bone cells, improving the survival rate of cranial flap after reimplantation, reducing the incidence of postoperative complications such as bone flap necrosis and infection, greatly improving the efficiency of cranial flap repair and cleaning, and reducing the workload of staff.

The utility model discloses a winding turnover mechanism for inductance coil processing, which belongs to the technical field of inductance coil processing equipment, and comprises a rack, a telescopic rod is mounted at the upper end of the rack, one end of the telescopic rod is connected with a first connecting rod, one end of the telescopic rod is rotatably connected with a connecting plate, and the other end of the telescopic rod is connected with a second connecting rod. And meanwhile, clamps are mounted on one side of the connecting plate, an inductance coil body is arranged between the clamps, a mounting block is mounted on the connecting plate, an extrusion block is slidably connected to one end of the mounting block, a sliding rod is rotatably connected to one side of the connecting plate, and a rotating rod is slidably connected to the outer side of the sliding rod. According to the rotating mechanism, the distance between the two clamps can be manually adjusted, the clamps can extrude the two sides of an inductance coil and can extrude the upper portion and the lower portion of the inductance coil at the same time, so that the inductance coil is fixed more stably, meanwhile, the inductance coil can be turned over rapidly through a pedal, and the machining efficiency of the inductance coil is improved.

The utility model provides a workpiece dust removal device, which belongs to the technical field of workpiece dust removal, and comprises a protection box, a quick dust removal assembly and an overturning assembly, the quick dust removal assembly comprises two support plates arranged at the top of the inner wall of the protection box, and a rotating rod is rotatably connected between the two support plates; the dust removal device has the advantages that gas generated by the air pump is fed into the connecting base through the connecting pipe, the gas is sprayed out through the spraying head by the connecting base, then dust removal is conducted on a workpiece, ion wind is generated by the ion fan, the gas is fed into the connecting base through the conveying pipe and sprayed out through the spraying head, ions can effectively cover the workpiece, and the dust removal efficiency is improved. And the torque motor rotates to drive the rotating rod to swing leftwards and rightwards in a circulating mode, the rotating rod rotates to drive the connecting base to swing, then the spraying head swings to clean the dust of the workpiece, the spraying head can be matched with a suction pump to suck away the dust, the working efficiency is improved, and therefore the purpose of rapid dust removal is achieved.

The invention discloses a low-voltage ferroelectric domain regulation and control method based on a lithium niobate single crystal thin film, which utilizes the characteristic that positive and negative coercive fields of the lithium niobate single crystal thin film are asymmetric, and realizes low-voltage and quick-response domain overturning by carrying out domain regulation and control twice on the surface of the thin film. The method comprises the following steps: firstly, carrying out patterned ferroelectric domain initialization regulation and control in a selected region by using a piezoelectric force microscope; then, a low-voltage and short-pulse signal is applied to the specific position of the overturned domain, secondary overturning of the ferroelectric domain is achieved, and the problem that lithium niobate is difficult to apply to a low-power-consumption and quick-response ferroelectric device due to the fact that the coercive field is too high is effectively solved.

The utility model provides a cloth surface fluff quick processing device. It relates to cloth processing technical field. Cloth surface fluff quick processing device includes work table, the top of work table is equipped with the flat board, the bottom fixed mounting of work table has first single axle pneumatic cylinder, the output shaft of first single axle pneumatic cylinder extends to the top of work table and with flat board fixed connection, and the output shaft of first single axle pneumatic cylinder and work table sliding connection, the four corners of flat board top all are equipped with plane sink, the top fixed mounting of work table has outer frame, the both sides inner wall of outer frame all rotatable mounting has linkage shaft, two linkages shaftes the end of mutual close all fixed mounting has the open frame seat. The utility model has the advantages of no manual manual turn over, the higher turn over efficiency, improves the fluff processing efficiency.

The utility model relates to the technical field of white spirit brewing equipment, in particular to a bucket type lifting turnover machine which comprises a rack, a lifting turnover frame, a hopper and a moving trolley, and a lifting mechanism and a guide rail are arranged on the rack; the lifting turnover frame is connected with the lifting mechanism, a guide roller moving along the guide rail is arranged on the lifting turnover frame, and a feeding notch is formed in the lifting turnover frame; the hopper is arranged on the lifting and overturning frame and is lifted and overturned along with the lifting and overturning frame; according to the hopper conveying device, the movable trolley is adopted for conveying the hopper, the movable trolley is in direct and automatic butt joint with the lifting turnover frame, then the hopper is directly conveyed to the position above the lifting turnover frame, the hopper conveying device is used for conveying the hopper to the position above the lifting turnover frame, and the hopper conveying device is used for conveying the hopper to the position above the lifting turnover frame and conveying the hopper to the position above the lifting turnover frame. The movable trolley can be conveniently butted with other procedures, and the automation degree is high.

The utility model belongs to the technical field of equipment, and particularly relates to a wall body provided with a turnover type planting pot, which comprises a wall body, a groove is formed in the front side of the wall body, a supporting plate is fixedly connected to the right side of the wall body, a motor is fixedly connected to the top end of the supporting plate, a rotating shaft is fixedly connected to the driving end of the motor, and the rotating shaft is fixedly connected to the right side of the wall body. A supporting frame is fixedly connected to the exterior of the rotating shaft, a plurality of rotating rods are fixedly and rotatably connected to the inner side of the supporting frame, a plurality of mounting plates are fixedly connected to the close sides of the rotating rods correspondingly, and a plurality of mounting grooves are formed in the top ends of the mounting plates correspondingly; a plurality of limiting arc grooves are formed in the inner side of the right end of the supporting frame. By means of the motor, the rotating shaft, the supporting frame, the rotating rod, the mounting plate, the mounting groove, the guide rod and the limiting arc groove, manual adjusting time is saved, all faces of plants receive light periodically, photosynthesis balance is promoted, and bending growth is reduced.

The utility model discloses a mechanical part polishing device in the technical field of polishing equipment, including base, polishing box and hydraulic rod, the polishing box fixed connection in the top of base, the hydraulic rod fixed connection in the inner chamber left and right side wall of polishing box, the end fixed connection of hydraulic rod has the disc, the inner chamber left and right side wall middle portion rotation of disc is connected with the pivot, the outside wall middle portion fixed connection of pivot has the first gear, the end fixed connection of pivot has the turntable, the inboard wall fixed connection of turntable has the clamp, the inner chamber top and inner chamber bottom fixed connection of left disc have second electric push rod, the end fixed connection of second electric push rod has the pawl, this mechanical part polishing device, the structure design is reasonable, can turn over the part fast, improves the polishing efficiency, and can collect the metal scrap automatically, need not manual follow -up cleaning.

The application belongs to the field of material loading and unloading, and specifically relates to a vehicle-mounted mechanical arm applied to unmanned self-loading and unloading scenes of a transport vehicle (or other carriers). The vehicle-mounted mechanical arm comprises a translation mechanism, a turnover telescopic mechanism, a movable support arm and a mechanical hand assembly. The translation mechanism comprises a bottom plate and slide rails arranged on the upper surface of the bottom plate. The movable support arm comprises two upper arms arranged in parallel and two front arms arranged in parallel. The two upper arms are respectively in sliding fit with the slide rails on the two sides of the upper surface of the bottom plate and can translate along the slide rails. The upper arms are connected with the front arms through the turnover telescopic mechanism and a telescopic rod. The two ends of the telescopic rod are respectively connected with the upper arms and the front arms, and the telescopic rod can rotate around the connection position with the upper arms. A lifting and translating mechanism capable of moving up and down along the front arms and self-rotating around the rotation shaft of the front arms is arranged between the two front arms. The front arms can be turned over to the upper side or the front side of the upper arms under the joint action of the turnover telescopic mechanism and the telescopic rod.

The application discloses a medicine bottle disc unloading device, which comprises a feeding mechanism, a poking mechanism, a turnover mechanism, a discharging mechanism and a disc taking mechanism, the turnover mechanism is arranged between the discharging end of the feeding mechanism and the feeding end of the discharging mechanism, the poking mechanism is installed above the turnover mechanism, and the disc taking mechanism is installed on one side of the turnover mechanism; the turnover mechanism comprises a support, a turnover frame and a rotating motor, the turnover frame is rotatably installed on the support and is driven to rotate by the rotating motor; the poking mechanism comprises a first scraper assembly for pushing the medicine bottle from the turnover mechanism to the discharging mechanism; the disc taking mechanism comprises a driving assembly and a suction disc, and the suction disc for grabbing the tray is installed on the action end of the driving assembly. The device can effectively improve the disc unloading efficiency of the medicine bottle, and further improve the filling quality and efficiency of the whole bottled medicine.

The utility model discloses an automatic track detection device, which relates to the technical field of track detection, and comprises a detection table, the top end of the detection table is fixedly connected with a mounting rack, the top end of the mounting rack is provided with a flatness detector, the top end of the detection table is fixedly connected with a mounting plate, the top end of the mounting plate is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with the mounting rack. A screw hole is formed in one side of the limiting plate, the inner side of the screw hole is in threaded connection with a screw rod, and the other side of the screw rod is fixedly connected with a first rotating shaft. With the adoption of the structure, after the front surface of the track plate is detected, the supporting plate is drawn outwards through the strip-shaped opening, then the clamping plate is directly rotated through the second rotating shaft, the track plate is turned over together after the clamping plate is turned over, and then the supporting plate is reset to support the bottom end of the track plate; therefore, the effect of conveniently and rapidly turning over the track plate can be achieved, and meanwhile the follow-up detection efficiency of the track plate can be effectively improved.

The utility model discloses a fixture for repairing a semiconductor electrostatic chuck, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a support frame, the upper surface of the support frame is fixedly connected with a telescopic rod, one end of the telescopic rod is rotatably connected with an external connection disc through an end joint, and the inside of the external connection disc is fixedly connected with a motor. The output end of the motor is fixedly connected with a lap joint disc, the upper surface of the lap joint disc is rotationally connected with an inner connection disc, a clamping mechanism is arranged in the inner connection disc, and the clamping mechanism comprises a clamping block and an elastic piece. By means of the structure, the clamping blocks are rotated at a fixed point by rotating the inner connecting disc, then the inner connecting disc is opened, after electrostatic adsorption is well placed, the inner connecting disc is loosened, and the electrostatic chuck machine is rapidly clamped and fixed inwards through the clamping blocks under the action of the elastic pieces; the lap joint disc is driven by the motor so that the electrostatic chuck in the inner connection disc can be turned over rapidly.