77results about How to "Strong clamping force" patented technology

The utility model discloses an automatic assembly device of anastomat sleeve, including processing platform, the both sides symmetry of processing platform top is equipped with moving frame, two moving frame top all are equipped with limit component, the utility model has the beneficial effect that through the cooperation of external spring type telescopic link in limit component and rubber resistance block, can provide stable clamping force, can also adapt to different specifications sleeve, combines telescopic guide rod, slide bar etc.

The utility model relates to cable protection field especially relates to a kind of cable protection pipe flattening strength testing device, including workbench, mounting bracket, motor, shaft sleeve, screw rod and connecting plate, workbench top is provided with mounting bracket, the motor with output shaft downwards is installed in mounting bracket top, mounting bracket upper side portion is equipped with reinforcing plate, reinforcing plate middle part is rotatably connected with shaft sleeve, shaft sleeve is connected with the output shaft of motor, shaft sleeve inside is rotatably connected with screw rod, screw rod bottom is provided with connecting plate, mounting bracket rear side portion is equipped with stable guide rail. Screw rod mechanism driven by motor is converted to linear motion by rotating motion through shaft sleeve, cooperate with the rigid constraint of stable guide rail and guide block, ensure that pressing plate is vertically pressed without deviation, eliminate test data error;Dial gauge is directly monitored by pulling rope pressing plate displacement, form high-precision deformation to pressure curve, provide original data benchmark for evaluating the compression resistance of protection pipe.

This invention relates to the field of automotive parts loading and unloading equipment technology, specifically to an automotive parts loading and unloading robotic workstation, including a frame, a conveying device, and a robotic arm module. The conveying device has a sorting module, and the robotic arm module includes a robotic arm body and a picking module. The sorting module has mounting seats on both sides, on which first and second baffles rotate synchronously in opposite directions, allowing one part to be released at a time. The picking module includes a picking rack and paired gripping modules, with the gripping body equipped with a vacuum adsorption plate, using a dual mechanism of mechanical gripping and vacuum adsorption to pick up parts. This invention solves the problems of insufficient sorting accuracy and unstable picking in existing workstations, improves the reliability of sorting and picking, adapts to batch production cycles, reduces parts damage rates, has a reasonable structure, a high degree of automation, can be adapted to various specifications of automotive parts, and reduces manual labor intensity.

This invention provides a film stretching device, comprising: a base adapted to be fixedly connected to the equipment containing the film; and a clamping device disposed opposite to both sides of the film and fixedly connected to the base. The clamping device includes: a fixed base fixedly connected to the base; a first roller shaft connected to the fixed base; a first clamping roller rotatably connected to the first roller shaft; a second roller shaft oscillatingly connected to the fixed base; a second clamping roller rotatably connected to the second roller shaft; and a driving device for clamping the first and second clamping rollers. When the first and second clamping rollers are clamped, the rotation axes of the second and first clamping rollers are parallel, and the film passes between the second and first clamping rollers. This device overcomes the problem in the prior art where the film is not easily flattened, causing production quality defects. This invention also provides a winding device with this film stretching device.

The utility model discloses a kind of laser cutting structures of clamping card pipe, including chassis, the side mount frame of guide rail strip is installed in the top of one side of chassis, equidistantly installed on the pipe body auxiliary support assembly of chassis, the pipe feeding travelling trolley is installed on the side mount frame, the pipe feeding chuck is installed on pipe feeding travelling trolley, the pipe body fixing mechanism is installed in the top of one end of chassis, the cutting mechanism is located in one end of chassis, and cooperates with the pipe body fixing mechanism, and the hydraulic blanking mechanism for supporting pipe body is located in front of cutting mechanism;The stability, efficiency and safety of production are improved by the precise design and automation control of this structure, and it is the effective application of laser cutting technology in pipe processing field.

The utility model belongs to the technical field of milk shaking devices, and particularly discloses a feeding bottle clamp and a milk shaking device using the same. The feeding bottle clamp comprises a clamp main body, the clamp main body is provided with a feeding bottle clamping cavity, a plurality of groups of elastic clamping pieces are arranged in the feeding bottle clamping cavity, each group of elastic clamping pieces comprises a plurality of elastic clamping pieces distributed along the circumference, one end of each elastic clamping piece is fixedly connected with the clamp main body, and the other end of each elastic clamping piece extends to the middle of the feeding bottle clamping cavity. The end, extending to the middle of the feeding bottle clamping cavity, of each elastic clamping piece is provided with a clamping part, the clamping parts on the elastic clamping pieces in each group form a circle in a surrounding mode, the clamping parts on the elastic clamping pieces in different groups are vertically layered, and the milk shaking device comprises the feeding bottle clamp. By arranging the multiple sets of elastic clamping pieces on the feeding bottle clamp, feeding bottles with different thicknesses can be stably clamped, and it is guaranteed that the thin feeding bottles are not thrown out when the milk shaking device operates at a high speed; by arranging the multiple sets of elastic clamping pieces, the clamping force of each set of elastic clamping pieces is not too large, and feeding bottles are convenient to take and place.

The utility model relates to the field of metal welding piece detection, and discloses a steel structure welding quality compression resistance detection mechanism which comprises a bottom plate, a mounting structure is fixedly connected to the middle of the upper end face of the bottom plate, a driving structure is fixedly connected to the middle of an inner cavity of the mounting structure, and clamping structures are symmetrically connected to the inner cavity of the mounting structure in a sliding mode. The left side of the upper end face of the bottom plate is fixedly connected with a containing structure, a lifting structure is arranged in the middle of the upper end face of the containing structure, the sliding block moves to make the clamping plate and the fixing structure slide relatively, and the steel structure makes contact with the fixing column. When interaction force is generated between the fixing column and the steel structure, the fixing column can slide towards an inner cavity of the sliding groove, the fixing spring contracts, so that the steel structures of different shapes are clamped and fixed, meanwhile, through the telescopic characteristic of the spring, it can be guaranteed that stable clamping force can be provided on the surfaces of the steel structures of different shapes, and the clamping effect is good. And the steel structure is prevented from displacement in the subsequent detection process, so that the accuracy of the detection result is ensured.

The utility model discloses a double-sealing-ring self-tightening type pipeline quick connecting device which comprises a connecting body, a first sealing ring, a second sealing ring, a locking ring and an elastic clamping jaw. Inserting cavities are formed in the two ends of the connecting body, and first sealing grooves and second sealing grooves are formed in the inner walls of the inserting cavities and provided with first sealing rings and second sealing rings respectively. The outer wall of the connecting body is provided with external threads, and the locking ring is matched and connected with the external threads through the internal threads. And the elastic clamping jaw is arranged at the end part of the insertion cavity to form a clamping part. By arranging the double sealing rings, namely the first sealing ring and the second sealing ring, the sealing performance of pipeline connection can be effectively improved, and the leakage phenomenon is reduced.

The large buzzing sheet comprises a metal substrate and a piezoelectric ceramic sheet arranged on the front surface of the metal substrate, the left side and the right side of the metal substrate are respectively provided with a side wing plate, the back surface of each side wing plate is fixedly connected with a back plate, and one side, far away from each side wing plate, of each back plate extends to the back surface of the metal substrate. The front of the side wing plate is fixedly connected with a front plate, the side, away from the side wing plate, of the front plate extends to the front of the piezoelectric ceramic piece, the top of the side wing plate is provided with a connecting plate, the front and back of the connecting plate are in swing connection with swing rods, and the sides, away from the connecting plate, of the swing rods extend to the outer side of the side wing plate and are fixedly connected with the side wing plate. Through the wrapping design of the left and right side wing plates, the back plate and the front plate, the piezoelectric ceramic piece is completely wrapped in the metal frame, a plane fixing mode of single glue bonding is replaced, the frame structure disperses shear force generated by vibration to the whole side wing plate system, stress is prevented from being concentrated on a glue bonding surface, and the service life is prolonged.

The utility model belongs to textile detection technical field especially relates to a kind of clamping mechanisms for textile tear resistance performance detection, including fixed plate and bottom disc, fixed plate is fixedly installed in the upper end surface of bottom disc, the top of one end of fixed plate is vertically fixed with fixed clamping plate, the top of the other end of fixed plate is slidably provided with movable clamping plate, the middle position of the bottom end of fixed clamping plate is fixedly installed with first electric push rod, the telescopic end of first electric push rod is fixedly connected with movable clamping plate, the middle part of the outer wall of the side of movable clamping plate close to fixed clamping plate is fixed with horizontal plate, the height position corresponding with horizontal plate is provided with through slot structure in the inside of the bottom end of fixed clamping plate, the side of the top of movable clamping plate and fixed clamping plate mutually close is fixed with the first clamping part of the first clamping part that can mutually engage, the outer wall of the side of fixed clamping plate away from movable clamping plate is fixed with two support rods symmetrically, clamping assembly is installed on support rod corresponding through slot structure, and two support rods are equipped with the push assembly for controlling the operation of clamping assembly.

The application discloses a kind of composite diaphragm quality detection equipment based on lithium battery production, it is related to lithium battery production relevant technical field, including tensile testing station and be arranged on detection table drive mechanism, the power output end of the drive mechanism is arranged with two sets of clamping mechanism, two sets of clamping mechanism respectively clamps the two ends in composite diaphragm tensile direction, based on the driving action of drive mechanism, two sets of clamping mechanism relatively move, the clamping mechanism includes the drive plate being arranged on the power output end of drive mechanism and the extruding piece being arranged on drive mechanism, drive plate is equipped with clamping plate;In the tensile detection stroke of composite diaphragm, based on the extruding action of extruding piece, the clamping force of clamping plate to composite diaphragm gradually increases.

The utility model relates to food detection technical field discloses a food detection sample rack, including storage box, multiple storage compartments are equipped with in storage box equidistance, the pullable frame body is equipped in storage compartment, and the frame body is U type structure, is equipped with the transverse plate on the frame body, multiple placing holes are equipped with equidistance on the transverse plate, and the fixed assembly is connected at the placing hole, the fixed assembly includes two symmetrical settings adjusting plate, and the vertical board is symmetrically equipped with on the transverse plate one side at the placing hole, and the two vertical boards are rotatably connected with bidirectional screw rod, and the one end of bidirectional screw rod extends to one of vertical board one side and is connected with knob, and the connecting plate is connected on the adjusting plate, and the connecting plate one end is with bidirectional screw rod screw connection, and the clamping plate is equipped with on the adjusting plate through a plurality of springs. The setting of fixed assembly, drive the interval of two clamping plates through bidirectional screw rod, realize the fixed clamping test tube of different size, ensure its security of storage.

The utility model discloses a connecting structure of motorcycle oil tank, it includes the casing, the lower extreme of casing is provided with the limit component, the limit component includes the two sliding slots of opening in the lower extreme of casing, the inside sliding connection of sliding slot has the connecting block, the lower extreme fixed connection of connecting block has the limit board, the limit board inner wall is provided with the installation slot, the inner wall fixed connection of installation slot has the friction pad. Through above -mentioned structure can effectively eliminate the assembly gap between oil tank and frame installation space, prevent the transverse movement of the vehicle driving because of vibration. The stable clamping force can be maintained when using for a long time, avoid the problem of fuel leakage caused by the decline of fuel pipe joint sealing performance, thread connection loosening, thereby.

The application belongs to the technical field of medical devices, and particularly discloses an interventional delivery release device, which comprises a delivery tube and a release assembly. The distal end of the delivery tube is provided with a positioning hole and an elastic plate. The release assembly comprises a release wire and a spring arranged in the delivery tube. The release wire is located on the side of the spring away from the positioning hole along the center line direction of the positioning hole. The elastic plate extrudes the spring on the side facing the delivery tube. The inner wall of the delivery tube, the peripheral part of the release wire and the outer periphery of the spring are sequentially abutted, and the distal end of the spring is abutted with the distal end hole wall of the positioning hole. The distal end hole wall of the positioning hole is arranged to protrude from the outer periphery of the spring along the radial direction of the delivery tube.

The clamp comprises a base, a clamping assembly and a cover plate, a plurality of fixing grooves are formed in the base at equal intervals, first connecting pieces are arranged in the fixing grooves, the first connecting pieces are configured to connect the base to a machine tool, the clamping assembly comprises a hydraulic piece and an extrusion piece, and the hydraulic piece and the extrusion piece are arranged on the base. The hydraulic part comprises a mounting part and a clamping part, the mounting part is fixedly mounted on the base through the cover plate, the clamping part is configured to clamp a blade handle part, a liquid storage channel is formed in the clamping part, an extrusion part is arranged at an opening of the liquid storage channel, and the extrusion part is configured to extrude liquid in the liquid storage channel so as to enable the inner wall of the clamping part to generate strain; and the blade handle part is extruded, so that the blade handle part is fixed. According to the clamp, the liquid in the liquid storage channel is extruded through the extrusion piece, so that the inner wall of the clamping part generates strain to fix the blade handle part, uniform and stable clamping force is provided for the blade handle part, and the machining precision of the coaxiality of the blade handle part of the gas turbine is improved.

The utility model relates to the field of medical teaching model, specifically disclose a kind of oral teaching training model, comprising: stand, upper frame, lower frame, upper dental bed part, lower dental bed part and tongue body part, detachable face skin cover is sleeved on upper frame and lower frame and face skin cover is clamped by first clamping assembly and second clamping assembly, to facilitate the disassembly and cleaning of face skin cover;Upper dental bed part and lower dental bed part are respectively clamped by upper telescopic part and lower telescopic part and can be realized from the mouth of face skin cover to the outside, so that the teeth inside can be exposed, facilitate its explanation display and disassembly.

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 vulcanization demolding device comprises a support, a pipe head is installed on the top face of the support, a mold core is inserted into the pipe head, the outer wall of the mold core is sleeved with a to-be-demolded rubber pipe, the inner wall of one end of the to-be-demolded rubber pipe is attached to the outer wall of the pipe head, clamps are symmetrically arranged on the upper portion of the support, and the two clamps are clamped on the outer wall of the to-be-demolded rubber pipe. The clamp is opened and closed through combined connecting rods and cylinders. According to the device, the air inlet is formed in the pipe head and is communicated with the interior of the pipe head insertion hole, so that hot air acts on the combination part of the mold core and the inner wall of the rubber pipe through the air inlet and the airflow channel, non-contact separation of the rubber pipe and the mold core is realized through hot air expansion, physical friction between the rubber pipe and the mold core is reduced, and mild separation of the rubber pipe and the mold core is realized; and the screws are arranged at the supports, so that the pipe heads with different sizes can be combined with the supports, and the lossless demolding requirements of the rubber pipes with different models are met.

The utility model discloses a kind of monitor liquid crystal box overturning clamping devices monitor liquid crystal box overturning clamping devices, including clamping support, both sides of the clamping support are symmetrically equipped with sliding guide rail seat, the sliding guide rail seat is slidably installed with sliding clamping frame seat by linear sliding guide, sliding clamping frame seat is fixedly installed with sliding clamping frame;Sliding guide rail seat is also equipped with clamping drive motor, and sliding clamping frame is driven by screw nut pair of clamping drive motor;Opposite position is provided with alignment clamping frame in the sliding clamping frame, and the alignment clamping frame and sliding clamping frame constitute clamping pair, and the alignment clamping frame is installed in alignment platform. This clamping type overturning machine is stable in grabbing, and clamping is reliable. The clamping device has the characteristics of stable clamping, high overturning efficiency.

The utility model relates to the technical fields of mould shrinkage pipe production especially relate to a mould shrinkage pipe production post -treatment device. Its technical scheme includes winding roller, processing box body and baffle, the processing box body lower surface welding has workstation, processing box body one side outer end surface is established with feeding hole, and processing box body both sides outer end surface all are established with air inlet, the fan that processing box body inside bottom end is installed, and the upper surface intercommunication of fan has the blow -off cover, the processing box body inner wall welding has the filter plate, the inside top of processing box body and the upper surface of filter plate all are fixed with outer rod, and the outer rod one side outer end surface swing plug -in has the inner rod, the inner rod one side outer end surface is fixed with the clamping plate, and the recess is established in the clamping plate inside, the inner wall rotation of processing box body is connected with winding roller, the winding roller one side outer end surface is fixed with baffle, and the winding roller upper surface establishes the fixed slot. The utility model is convenient for one side cooling one side winding, and the processing efficiency is high.

This utility model relates to the field of sheet metal bending technology and discloses an auxiliary device for bending in construction engineering, including a workbench, a base, and a hydraulic component. The base is fixedly connected to the surface of the workbench, the hydraulic component is installed on the surface of the workbench, and a clamping structure is provided on the surface of the workbench. The clamping structure includes a slide groove, and a slide plate is slidably connected to the inner wall of the slide groove. A bidirectional screw is slidably connected to the inner wall of the slide groove, and a motor is installed on the surface of the workbench. This utility model solves the problem that existing auxiliary devices for bending in construction engineering typically clamp parts of a single size. When clamping parts of different sizes is required, quick adjustment is often inconvenient, which affects the normal use of the device over time.

The utility model relates to the technical field of roller bearing assembly, and disclose a kind of roller bearing assembly mechanism, including parts transport device, further include: parts handling transmission device, the parts transport device includes push plate, parts handling transmission device right side fixed mounting has parts handling transmission device, the parts handling transmission device includes roller installation adjusting device, the roller installation adjusting device includes folding pliers, the parts handling transmission device includes mounting seat, small conveyor belt is fixedly installed on the mounting seat upper side, small conveyor belt both sides fixedly installed have support, the support inboard fixedly installed have control system, the control system lower side fixedly installed have roller installation adjusting device, it is favorable for the accurate installation and position adjustment for roller, can have multi-degree-of-freedom adjustment ability, can help adapt to the assembly requirement of different model bearing, improve assembly flexibility and adaptability.

The utility model belongs to the technical field of water quality detection, and particularly discloses a water conservancy water quality monitoring unmanned aerial vehicle which comprises an unmanned aerial vehicle body, a box body is arranged at the bottom of the unmanned aerial vehicle body, a detection rod is fixedly connected to the bottom of the box body, and a power groove extending to the outside of the detection rod is formed in the detection rod. The unmanned aerial vehicle comprises a power groove, an extension rod is slidably connected to the interior of the power groove, a support is fixedly connected to the bottom of the extension rod, the section of the support is shaped like a Chinese character'fang ', a protection shell is fixedly connected to the left side of the support, and two sets of fixing columns are fixedly connected to the inner wall of the support. Water samples at different places can be sequentially collected in one flight task, the water quality monitoring efficiency is improved, the coverage range of the water quality monitoring is widened, the water taking tanks are independently controlled, cross contamination among samples is avoided, the data accuracy is guaranteed, the labor cost is remarkably reduced, and the intelligent level of the water quality monitoring is improved.

The utility model relates to the technical field of height-adjustable household illuminating lamps, and discloses a height-adjustable household illuminating lamp which comprises a supporting box body, a lamp panel is fixedly arranged on one side of the supporting box body, and a plurality of groups of illuminating lamps are arranged on one side of the lamp panel and used for illumination. The supporting block is fixedly arranged below the supporting box body and is used for supporting the supporting box body; the lifting assembly comprises a telescopic rod fixedly arranged below the supporting block, and an adjusting assembly is fixedly arranged below the telescopic rod and used for adjusting the height of the supporting box body; the base is fixedly arranged below the lifting assembly and used for stabilizing the whole, the rotating block is in threaded connection with the fixing rod so that the rotating block can extrude or release the locking block, and when the locking block is extruded, the locking block deforms to clamp the telescopic rod, so that the height of the illuminating lamp is fixed; and the telescopic rod can be loosened through reverse screwing, so that the telescopic rod freely slides. Operation is easy and convenient, tools are not needed, and the illumination height requirements in different scenes can be rapidly met.

This utility model discloses an adaptive mechanical gripper, belonging to the technical field of mechanical automation. It includes a first support plate, a drive mechanism, and a clamping mechanism. The drive mechanism is mounted on the first support plate, and the clamping mechanism is mounted below the first support plate. The drive mechanism includes a linkage assembly, a rotating shaft rotatably mounted on the first support plate, and a one-way locking member mounted on the first support plate, with the one-way locking member engaging with a first end of the rotating shaft. The first end of the linkage assembly engages with a second end of the rotating shaft, and the second end of the linkage assembly engages with the clamping mechanism. Under the action of the rotating shaft, the linkage assembly has a first moving position and a second moving position. In the first moving position, the clamping mechanism is in a clamping state; in the second moving position, the clamping mechanism is in a released state. The one-way locking member prevents the rotating shaft from rotating in the opposite direction, enabling the clamping mechanism to form a relatively balanced holding force. The clamping mechanism can be adjusted according to the size and weight of the workpiece, improving its stability.

The utility model discloses a line head V -shaped shaping mechanism for ignition head relates to ignition head production technical field, this line head V -shaped shaping mechanism for ignition head includes base, the top of base is provided with lifting mechanism, the top of lifting mechanism is provided with bottom plate, the top of base is seted up with first installation slot, the both sides of bottom plate top and located first installation slot are all provided with positioning column, the inside of first installation slot is provided with drive mechanism, the outside of positioning column is provided with clamping mechanism. The utility model drives the screw rod to rotate with the help of motor, and then drives slider and guiding piece to remove, and the outside shape of guiding piece guides the rolling of the roller, realizes two clamping pieces synchronous rotation clamping wire, and the whole process mechanical transmission is stable, and the clamping force and position controllability are strong, in the clamping process, guiding piece drives V -shaped piece to remove, can separate the two sub -wire of wire and present V -shaped, need not additional process and equipment, has simplified the operation procedure.

The utility model relates to the technical field of heat seal splicing of rubber conveying belts, and discloses a heat seal splicing device for rubber conveying belts, which comprises a base, supporting legs are fixedly connected to the bottom of the base, and a movable clamping mechanism is arranged at the bottom of the base. The movable clamping mechanism drives a bidirectional lead screw through a first servo motor, and the positions of two movable blocks can be rapidly and accurately adjusted. Due to the fact that the movable blocks are limited by the limiting rods, the two movable blocks stably move in the opposite directions along with rotation of the two-way lead screw, the rubber conveying belt is conveniently and rapidly placed at the proper heat sealing position, the operation efficiency is greatly improved, a second servo motor drives a gear to rotate and is meshed with a cylindrical rack, and then lifting of a pressing block is controlled. The bottom of the pressing block is in a protruding shape, when the rubber conveying belt is clamped, more stable clamping force can be provided, it is guaranteed that the conveying belt cannot move in the heat sealing process, and the heat sealing splicing quality is guaranteed.

The application belongs to the technical field of oil cylinders, and particularly relates to a hydraulic coupling oil cylinder piston locking device, which comprises an oil cylinder body, the top of the oil cylinder body is symmetrically provided with two groups of supports, the inner walls of each group of supports are fixedly provided with sliding shafts, the outer walls of the sliding shafts are symmetrically provided with sliding blocks, the outer walls of two sliding blocks close to each other are fixedly provided with elastic members A, and the two elastic members A are respectively sleeved on the outer sides of the two sliding shafts. Through the structures such as the lock, the extrusion assembly and the lifting assembly, the lock can lock the piston at any position, and the lever principle is utilized, the exerted force is amplified and transmitted to the lock through the amplification of the lever, the clamping is more stable due to the fulcrum effect of the lever, the clamping force of the lock can be more evenly distributed on the piston of the oil cylinder, so that the piston is prevented from sliding during the locking process, and the locking effect is better.

The utility model discloses a four-station vacuum glue filling device, which relates to the technical field of vacuum glue filling, and comprises a box body, a rectangular groove is arranged at the bottom end in the box body, a threaded rod is rotatably arranged in the rectangular groove, the right end of the threaded rod is fixedly connected with a rotating rod, and the rotating rod is fixedly connected with the bottom end of the box body. The front end of the rotating rod penetrates to the outside of the box body and is fixedly connected with a rotating disc, the outer surface of the threaded rod is in threaded connection with a moving block, the upper end of the moving block is fixedly connected with a protective cover, and two clamping plates are shifted to drive two sliding plates at the lower end to slide in sliding grooves, so that the two clamping plates can be driven to move; after the two clamping plates are moved to proper positions and then products with different sizes are placed on the placing blocks, due to the elasticity of the spring, the device can automatically adapt to the sizes of the products, stable clamping force is provided for the products through the elasticity of the spring, and it is guaranteed that inaccurate glue pouring caused by position change of the products in the glue pouring process is avoided.