35results about How to "Avoid surface scratches" patented technology

The invention discloses a full-automatic inverted wire drawing and packaging online production system which comprises a pay-off rack, a drawing device, a first hooking device, a first collecting assembly, a second hooking device and a second collecting assembly. The drawing equipment is provided with a take-up reel and a wire frame used for cutting off wires and then taking the wires into the take-up reel and the wire frame, the first hooking device is used for hooking the wire frame, the first taking-up assembly is used for conducting film winding and labeling on the wires and then moving the wires out, and the second hooking device is used for hooking the wires in the take-up reel. By means of the linkage design of the structure, an automatic closed loop for transferring the wire frame or the take-up reel to the package is constructed, a traditional manual or semi-automatic transferring mode is replaced, the labor intensity of workers is effectively reduced, meanwhile, wire damage caused by manual transferring is avoided, and the production efficiency is improved. And the product quality stability is obviously improved.

This utility model provides a display screen positioning fixture, relating to the field of positioning fixture technology. It includes a mounting base and a mounting plate, and also includes a clamping component disposed on the inner side of the mounting base. The clamping plate is slidably disposed on one side of the mounting base for clamping and limiting the display screen. The limiting component is disposed on the upper surface of the mounting plate, and the grippers are disposed on one side of the mounting plate to ensure product quality and clamping effect. A rubber support block enhances stability and prevents the display screen from sliding. The linkage structure between the trapezoidal protrusion and the limiting block can accurately adapt to displays of different sizes, providing a flexible clamping range. A second spring provides cushioning to avoid damage to the equipment from rigid clamping by the grippers, while ensuring uniform clamping force. This not only guarantees positioning accuracy but also improves the practicality and compatibility of the device.

This invention provides a welding machine for assembling and splicing precision castings, relating to the field of welding machine technology. It includes a welding frame with a positioning area and adjustment areas on both sides of the positioning area. A welding robot is mounted on the side of the welding frame via a welding machine mounting base. The machine also includes a longitudinal adjustment frame, a longitudinal abutment component, a parallel positioning component, and an adaptive clamping component. Longitudinal adjustment frames are slidably mounted on both sides of the welding frame, and transverse adjustment frames are slidably mounted on the longitudinal adjustment frames. A longitudinal abutment component is mounted on the side of each transverse adjustment frame away from the positioning area. A parallel positioning component is installed within the positioning area, and an adaptive clamping component is mounted on each transverse adjustment frame. This invention provides a welding machine for assembling and splicing precision castings, solving the technical problem in related technologies where rigid clamping structures are difficult to adapt to the irregular shape of precision castings, leading to easy scratching of the castings during clamping and difficulty in maintaining stable clamping.

The application provides a smart polishing equipment workbench, which comprises a table body; a protective cover is installed on the top of the table body, and a polishing mechanism is arranged in the protective cover; an entrance and exit is formed in one side of the protective cover, a door body is arranged at the entrance and exit, and an observation window is arranged on the door body; a blow strip cover is arranged on one side of the observation window in the protective cover, one side of the blow strip cover is provided with a blow port for blowing and cleaning the observation window; a translation mechanism is connected to the top of the blow strip cover; a turnover position adjusting mechanism and a gas supply mechanism are connected to the bottom of the blow strip cover; the turnover position adjusting mechanism is used for driving the blow strip cover to turn over, so that the blowing direction of the blow strip cover is consistent with the movement direction of the blow strip cover. By arranging the movable blow strip cover on the inner side of the observation window, the observation window is cleaned by airflow in a non-contact manner, dust and debris attached to the observation window can be effectively removed, the operator can clearly observe the polishing working condition in the protective cover, and dust blocking affects work monitoring can be avoided.

This utility model provides a three-head aluminum profile dual traction machine, relating to the technical field of aluminum traction equipment. It includes a transmission machine and three traction mechanisms, which are slidably connected to one side of the transmission machine. A roller conveyor belt is installed on the transmission machine. A main shaft box is located at the rear end of one side of the transmission machine, and three drive shafts extend from the main shaft box. Each drive shaft is connected to and installed with a traction mechanism at its end. The machine employs a mechanical linkage drive method using a planetary gear differential and a servo motor, enabling the three traction mechanisms to automatically adjust torque distribution during traction, eliminating accumulated errors caused by response delays or speed deviations in the electronic control system. Simultaneously, the design of the universal joint coupling and spline telescopic drive shaft ensures stable power transmission even when the traction mechanism moves on the slide rail, avoiding profile twisting or surface scratches caused by speed differences.

The utility model discloses a device of solving 210N wet process alkali throwing wafer belt liquid, including fixed frame and the connecting plate of fixed frame lower extreme installation, the lower extreme outer wall of fixed frame and respectively near left and right sides all are provided with fixed plate, the downside of connecting plate is provided with fixed seat, a plurality of baskets are provided between fixed seat and fixed plate, the inside of fixed seat and respectively near front and back sides all are provided with cylinder, the inside of two cylinder is provided with push rod, to push basket to carry out angle inclination upwards, through installing the spacer and the buffer pad, a plurality of spacers and buffer pads are arranged between the inner wall of the front and back ends of basket, and the spacer can prevent the excessive inclination of the silicon wafer, ensure that the silicon wafer is inclined within the predetermined range, so that the position of each silicon wafer after inclination is relatively fixed and predictable, when the silicon wafer is abutted to the spacer after inclination, the buffer pad plays a buffering role, avoids causing the edge breakage or surface scratch of silicon wafer.

This invention discloses a manufacturing equipment and method for hot roughing universal joints used in metallurgical steel rolling. The equipment includes a worktable with four support legs at its bottom and a central control system at its top. It also includes a speed-changing support mechanism mounted on the top of the worktable, with two fixing mechanisms on the mechanism. The two fixing mechanisms respectively fix the universal joint and a flange. This supports the universal joint and the flange, enabling synchronous rotation and position adjustment, providing stable support for subsequent welding, straightening, and other processes. This device significantly improves welding quality by refining grains and dispersing impurities through multi-field coupling; avoiding surface damage through non-contact creep straightening; achieving micron-level straightening through ultrasonic rolling; forming a deep residual compressive stress layer to improve fatigue resistance; reducing human error through automated closed-loop control; adapting to various workpiece specifications; and significantly improving efficiency and reducing costs through integrated processing.

The utility model relates to the technical field of conveying, concretely is a flaw detection V type conveying device, including work platform, the lower extreme of work platform is installed with frame assembly, the upper end of work platform is installed with support component, the surface of support component is installed with synchronous belt component, the surface of synchronous belt component is installed with V type block component, the upper end of work platform is installed with cleaning component, the cleaning component includes the blower of detachable installation at work platform upper end, the rear of blower is fixedly installed with the air inlet pipe, the side of blower is fixedly installed with the air outlet pipe, through setting cleaning component, the sundries that possibly remained of V type block surface is cleaned, prevents the influence that needs the steel pipe of transporting later produces, prevents the surface scratch that the friction of metal pipe and V type block caused in the transportation process through the soft pad.

This utility model relates to the field of aluminum material palletizing technology, specifically to a harmonica tube palletizing device, including a palletizing platform, a paper trough, and a first robotic arm. The palletizing platform has a palletizing area, and the projection of the paper trough onto the palletizing platform does not intersect with the palletizing area. The gripping end of the first robotic arm reciprocates between the palletizing area and the paper trough. This utility model achieves automated paper placement by setting a paper trough next to the palletizing platform and configuring a first robotic arm. After each harmonica tube is placed in the palletizing area, the first robotic arm immediately lays a piece of paper on the surface of the tube, thereby ensuring effective isolation between adjacent stacked harmonica tubes.

This utility model relates to the technical field of cleaning devices for high-strength lens processing, and more particularly to a cleaning device for high-strength lens processing, comprising a device body, a connecting mechanism, and a cleaning component disposed inside the device body. A driving component is disposed in the middle section of the device body, and a connecting component is connected to the outside of the driving component. An external water pipe introduces water, which is evenly sprayed through spray nozzles on a spray plate for initial rinsing of the lenses. The vibration force generated by the vibrating motor causes the lenses to vibrate slightly, effectively loosening stubborn impurities. In the driving component, the motor drives the rotating shaft and cross-shaped fan plate to rotate, stirring the cleaning fluid and generating water flow impact force to assist in rinsing the lenses. Combined with the filter hole design of the cleaning filter cartridge and the structure of the perforated interrupted plate, which promotes the circulation of the cleaning fluid, it can thoroughly remove oil stains, metal fragments, and other impurities from the lens surface, greatly improving the cleanliness and quality of the lenses.

The utility model discloses a device for reducing friction scratch of a reworked piece, which comprises a first conveyor belt, a second conveyor belt arranged on one side of the first conveyor belt, a support frame arranged above the second conveyor belt, a mounting plate connected with the support frame through an electric telescopic rod, a nozzle arranged below the mounting plate, and a connecting pipe connected with the nozzle through an air ejector pipe. According to the rework piece conveying device, the rework pieces are placed on the second conveying belt to be conveyed, and surface scratching caused by collision or friction in the conveying process can be effectively avoided. The design not only protects the surface quality of the reworked piece, but also improves the safety and stability of the transmission process. In addition, a nozzle and a dust hood are arranged above the second conveyor belt, and the devices can clean the reworked piece in real time.

The application relates to a mobile Bernoulli chuck, which comprises a circular adsorption disc, a supporting disc, a guide handle, an adjusting hinge, a fluid control valve and a gas supply joint. The circular adsorption disc is a hollow structure and is provided with a connecting piece at the edge; the bottom surface of the circular adsorption disc is circumferentially provided with a plurality of jet slits. The supporting disc is horizontally arranged below the circular adsorption disc and is provided with an extension connecting part between the circular adsorption disc; a gap for placing a wafer is reserved between the supporting disc and the circular adsorption disc. The guide handle is internally provided with an airflow channel. The adjusting hinge is arranged between the circular adsorption disc and the guide handle, one end of the adjusting hinge is hingedly connected with the leading end of the guide handle, the other end of the adjusting hinge is hingedly connected with the connecting piece, and the adjusting hinge is used for adjusting the deflection angle between the circular adsorption disc and the guide handle. The fluid control valve is installed on the guide handle and is used for controlling the conduction and cutoff of the airflow channel. The gas supply joint is arranged at the end of the guide handle far away from the circular adsorption disc and is used for connecting a mobile gas source.

The utility model discloses a ceramic handicraft with an external protection structure, which comprises a ceramic handicraft body, a base is arranged at the bottom of the ceramic handicraft body, and a limiting and fixing component for clamping and fixing the ceramic handicraft body is arranged on the base. A protection connecting assembly used for protecting the ceramic artware body is arranged on the base, and an anti-skid pad is installed at the bottom of the base. According to the ceramic handicraft storage rack, the stability of ceramic handicrafts placed on the base is guaranteed by arranging the limiting and fixing assemblies, the effect of protecting the surfaces of the ceramic handicrafts is achieved by arranging the transparent protective cover, the situation that the surfaces are scratched or the whole ceramic handicrafts are damaged due to collision and rubbing in the transportation, carrying or daily placement process is avoided, and the service life of the ceramic handicrafts is prolonged. And meanwhile, the transparent protective cover can be limited and fixed in cooperation with a structure in the limiting and fixing assembly, so that the ceramic artware and the transparent protective cover are limited and fixed through the same driving structure.

This invention relates to the field of precision machining technology for semiconductor materials, and in particular to a chemical mechanical polishing (CMP) slurry, its preparation method, and its application. The CMP slurry comprises the following components by mass percentage: 6-12% composite abrasive, 3-7% composite oxidant, 2-5% complexing agent, 0.5-2% phosphine detoxifier, 0.3-1.5% dispersant stabilizer, 0.1-1% pH adjuster, and water as the balance. The composite abrasive is a composite material of alumina and silicon dioxide. The composite oxidant includes sodium hypochlorite solution and hydrogen peroxide solution. This invention, through the rational proportioning and synergistic effect of the composite abrasive, composite oxidant, complexing agent, phosphine detoxifier, dispersant stabilizer, and pH adjuster, is not only suitable for single substrates but also compatible with the CMP polishing of three typical third-generation semiconductor materials: indium phosphide, gallium arsenide, and germanium. It exhibits good versatility and process adaptability, helping to reduce production costs and process changeover complexity.

The utility model provides a high-precision long and thin hole steel pipe cold-drawing forming die, which relates to the technical field of cold-drawing steel pipe dies, and comprises a die and a heat dissipation assembly, the heat dissipation assembly comprises heat dissipation fins fixed on the die, and the die is provided with a cooling liquid inlet. Cooling liquid flows into the spiral cooling groove from the cooling liquid inlet, due to the spiral path, the cooling liquid can make full contact with the mold and absorb a large amount of heat generated by working of the mold, finally the cooling liquid flows out of the cooling liquid outlet, meanwhile, the cooling fins increase the cooling area and assist in reducing the mold temperature, and mold abrasion and steel pipe quality reduction caused by high temperature are avoided; when the positioning assembly works, the bolt is rotated to drive the limiting block to rotate, so that the limiting block drives the connecting block, the rotating rod and the moving block to move, the supporting ring is accurately positioned and supports and guides the steel pipe, the stability of the cold drawing process of the steel pipe is ensured, and the product precision is improved.

This utility model relates to a material sorting device for adjusting the position of connectors. It includes a base plate, a first conveying track and a second conveying track mounted on the base plate, a suction cup for adsorbing connectors, and a transmission device for driving the suction cup. The discharge port of the first conveying track and the inlet of the second conveying track are placed perpendicularly. The transmission device is mounted on the base plate; the suction cup is mounted on the actuating end of the transmission device; and the suction cup is located directly above the discharge port of the first conveying track. This invention solves the problems of low efficiency and difficulty in guaranteeing accuracy in manual sorting of connectors in existing technologies, which cannot meet the needs of mass production. Furthermore, it addresses the technical problems of existing automated equipment generally using single-track conveying, which cannot achieve material orientation adjustment and precise positioning.

The invention relates to the technical field of automobile part manufacturing, and discloses a punch forming process of an automobile left front door lock reinforcing plate, which comprises the following steps: firstly, coating a temperature-sensitive gas-liquid phase change lubricating isolation medium on the surface of a plate, then carrying out subcritical gradient induction heating, and controlling the heating temperature to be lower than an austenitizing temperature to prevent oxidation; and performance gradients of plasticity and rigidity are established in different areas of the plate. In the stamping process, the medium is heated and gasified to form a gas film between the plate and the die so as to reduce friction. After the mold is closed to form a closed cavity, a cryogenic medium is injected for quenching, thermal shrinkage of the plate is promoted, meanwhile, the gasification medium in the cavity is condensed and subjected to phase change to generate negative pressure, and the plate is tightly adsorbed to the mold surface. According to the method, the formability is improved through gas film lubrication, resilience of the ultra-high strength steel is restrained through the synergistic effect of condensation negative pressure adsorption and base body heat shrinkage, and the problem that the forming precision of complex curved surface parts is low is solved.

The application relates to the technical field of conveying devices, and particularly discloses a double-slideway conveying device with a sorting warehouse logistics, which comprises a conveying base, a logistics conveying frame and a sorting and identifying frame, the right side of the top of the logistics conveying frame is provided with two automatic sorting assemblies, and the right side of the front of the logistics conveying frame and located on one side of the two automatic sorting assemblies are respectively rotationally provided with a first slideway conveying frame and a second slideway conveying frame. The auxiliary transmission belt in the annular groove moves in a circulating manner, and is matched with the telescopic and rotatable auxiliary discharging frame, so that intelligent follow-up control of the cargo support point is realized; according to the real-time position and size specification of the cargo, the auxiliary discharging plate is unfolded and the extension plate is extended in the area directly below the cargo, a flexible lifting layer with a small gap from the conveying surface is formed, the impact kinetic energy caused by the gravity acceleration is effectively offset, the fast sliding of the cargo is converted into controlled slow downward movement, and the collision and deformation of the cargo caused by the excessively high speed are avoided.

The utility model discloses a kind of support devices for wind power tower production welding, including bottom plate, the double-end screw rod is rotatably connected with bottom plate, the double-end screw rod is threadedly connected with two table bodies, the double-end screw rod two sections thread design is opposite, two the table body is rotatably connected with first roller body, two the table body one end and the other end are fixedly connected with column body, multiple grooves are opened at equal intervals in two the column body, two the column body is gap fit with stem body, multiple protrusions are fixedly connected at equal intervals in two the stem body and column body contact place, the utility model double-end screw rod drives two table bodies to adjust distance, changes the first roller body interval and adapts different diameter tower cylinder;Stem body protrusion and column body groove cooperation angle adjustment, make second roller body and first roller body form bidirectional support, reduce shaking, improve accuracy;First roller body and second roller body contact suitable, prevent scratching and help rotation, satisfy welding demand.

The tile pressing system is characterized in that: the tile pressing system comprises a tile feeding machine, a tile press, a negative pressure tile suction machine and a control system, a pedestal is arranged on the tile feeding machine, a first transmission module is arranged above the pedestal, first and second conveying belts are arranged on the two sides of the pedestal, a first driving device is arranged on the first transmission module, one end of the second conveying belt is connected with the tile press, the negative pressure tile suction machine is arranged on the side of the tile press, a gimbal module is arranged on the negative pressure tile suction machine, the gimbal module comprises a first gimbal and a second gimbal, the first gimbal is arranged on the negative pressure tile suction machine through a second driving module, the second gimbal is arranged on the side of the first gimbal through a third driving module, a suction disc device is arranged on the second gimbal, the suction disc device faces the tile press, a third conveying belt is arranged in the negative pressure tile suction machine, and the control system is arranged on the negative pressure tile suction machine.

This utility model discloses a pressure regulating device for a sector-shaped feed valve, including a feed valve body and a hydraulic cylinder mounted on the front of the feed valve body. A mounting plate is fixedly installed on the top of the feed valve body, an active valve plate is movably installed on one side of the bottom of the feed valve body, and a follower valve plate is movably installed on the other side of the bottom of the feed valve body. This utility model relates to the technical field of sector-shaped feed valves. This pressure regulating device, through the cooperation between the hydraulic valve and the protective housing, can adjust the driving pressure of the hydraulic cylinder during feed valve operation, avoiding situations where insufficient pressure leads to slow or stalled closing speed, and also avoiding energy waste caused by excessive pressure, thus improving practicality. Through the cooperation of a dust cover and a fixing ring, the piston rod of the hydraulic cylinder can be closed and dustproofed during operation, preventing particulate material from adhering to the piston rod and causing surface scratches, thereby extending service life.

The utility model relates to a kind of part turnover structure of welding tool, including turnover frame installed on welding tool, the fixed assembly for fixing tubular part is provided on the turnover frame, the drive assembly for driving tubular part and fixed assembly turnover is provided on the turnover frame.This part turnover structure of welding tool, over setting positioning component, control component and mounting part, so that positioning rod is driven to expand by spring elastic force, cooperate with rubber sleeve and the flexible contact of tubular part inner wall, both can be through the uniform distribution of multiple point clamping of circumference Ensure that tubular part is not loose, can also avoid the extrusion deformation of rigid clamping to thin-walled or precision cylinder, surface scratch, and the elastic compensation effect of spring can be adapted to the small size deviation of workpiece, ensure that different position clamping force is consistent, and electric push rod controls positioning rod to be quickly folded, further shorten the installation process of tubular part, and certain diameter interval's tubular part can be adapted.

The utility model belongs to the field of display glass relates to a kind of edge polishing positioning device for display glass, including base, the upper surface of base is provided with the positioning unit for realizing display glass clamping positioning and single-side clamping keeping display glass stable, the outer surface of base is provided for realizing uniform clamping when polishing display glass adsorption unit. Positioning unit adopts horizontal (electric push rod two+push plate two) and longitudinal (electric push rod three+push plate one) two-way positioning structure, cooperate with the design of the clamping groove of push plate two and the roller of push plate one, the quick center positioning of glass can be realized;Pressure sensor one and pressure sensor two can monitor clamping strength in real time and feedback adjustment, effectively avoid the glass breakage caused by clamping too tight, the rubber sleeve of roller outer side further prevents surface scratch during glass sliding process, ensure glass surface quality.

The utility model relates to metal strip processing technical field, concretely relates to a novel adjustable cross -shear machine of amorphous composite strip, including two parallelly arranged L type base, still including the cutting knife subassembly that can lift and slide between two L type base, cutting knife subassembly includes the cutting seat reciprocating sliding between two L type base, the two opposite inner side wall between cutting seat rotates and installed cutting blade, the bottom height of cutting blade is lower than the bottom height of cutting seat, the transmission belt continues operation when cutting, drives the stable feeding of amorphous strip, avoids the surface scratch caused by traditional static pressing plate, and the buffer mechanism of spring and plug rod can be adaptive different thickness strip, ensures that the pressure force is evenly distributed, cutting blade and transmission belt synchronous movement eliminate the lateral displacement of strip in the shearing process, guarantee the perpendicularity (deviation is less than or equal to 0.1mm) of cut, and the design of belt drive allows the continuous feeding of strip in the cutting process, need not frequent start -stop, and the production efficiency is improved more than 30%.

This invention relates to the field of precision CNC machine tools and intelligent manufacturing equipment technology, specifically to an omnidirectional self-locking structure and method for a milling-turning composite electric spindle; it includes a stator housing, an elastic diaphragm chuck, an annular hydraulic cylinder, and a sensing feedback component; the system establishes a cold-state reference, and uses a stiffness mapping algorithm combined with real-time pressure peak value to calculate the rotor's thermal radial expansion and actual locking force; its core is to adaptively adjust the slope of the hydraulic control signal when the locking force exceeds the limit, actively correcting the control signal from a step to a ramp signal to reduce piston acceleration; this invention uses flexible, progressive thrust to offset high-energy rebound impact, effectively preventing diaphragm fatigue fracture caused by thermal stress superposition, and significantly improving the system robustness under extreme thermal conditions.

The utility model discloses an automatic distributing device for a card punching machine, which belongs to the technical field of card punching machine distributing, and comprises a base, a base is arranged at the bottom of the base, a mounting component is arranged at the top of the base, and a distributing and collecting component is arranged at the top of the mounting component. The mounting assembly comprises a supporting table fixedly connected to the top of the base, a sliding rail is fixedly connected to the top of the supporting table, and the problems that an automatic material distributing device used by an existing card punching machine is generally lack of a structure for rapidly replacing a material distributing assembly, material distributing configuration is inconvenient to adjust in time according to different card specifications, and the material distributing efficiency is high can be solved. The problems that in the prior art, the material distribution efficiency is affected due to complex disassembly or overall replacement by means of a tool, card buffering protection is generally lacked, cards are prone to being physically damaged due to hard impact in the material distribution process, the reject ratio of finished products is increased, and the material distribution efficiency and production continuity are affected are solved.

The utility model relates to mould technical field, concretely is a kind of LED integrated light projecting lamp aluminum material mould assembly, including base, its top both sides are fixedly installed with vertical support, the top of two supports is fixedly connected with horizontal top plate, and the middle part below of top plate is provided with mould closing mechanism;The top middle part of the base is fixedly connected with lower mould, and the middle part of lower mould is provided with injection slot, and the both sides of injection slot are movably installed with vertical L type sliding edge mould, and translation mechanism is arranged between the lower mould and L type sliding edge mould.The utility model is through setting L type sliding edge mould and eccentric wheel linkage's translation mechanism, when moulding can make L type sliding edge mould quickly separate from aluminium profile side wall, significantly reduce the contact area in stripping process, to avoid the surface scratch and deformation problem commonly seen when traditional mould stripping, greatly improve product yield and appearance quality.

The application relates to the technical field of drawing devices, in particular to a drawing device for radio frequency feeder cable processing, which comprises an inner conductor arranged in the middle of a positioning shell, a mold for processing the inner conductor is further arranged between the positioning shell and the inner conductor, a lifting mechanism for driving the mold to ascend and descend is arranged between the positioning shell and the mold, the lifting mechanism comprises a stepping motor, an adjusting disc and a protection frame, a wire clamping mechanism for clamping the inner conductor is further arranged on the side surface of the protection frame; through cooperation of the lifting mechanism, a first wire clamping assembly, the adjusting disc, a transmission rod, a control rod, a main baffle, a main sliding block and a first wire clamping plate, the protection frame is moved from the bottom of the shell to the top of the shell, the operation space around the mold is directly expanded, the time consumption for mold replacement and maintenance is greatly shortened, the first wire clamping plate can effectively clamp the inner conductor after wire breakage, the inner conductor is prevented from falling due to loss of tension, surface scratching, structure deformation and impurity pollution are avoided.

The utility model relates to the technical field of stamping structures for precision metal structural parts, and discloses a stamping structure for precision metal structural parts, which comprises a bottom plate, a support frame is fixedly mounted at the top of the bottom plate, a hydraulic cylinder is fixedly mounted at the top of the support frame, and the lower end of the hydraulic cylinder is fixedly connected with a die pressing block. Through the arranged automatic clamping assembly, a worker starts a motor and drives a two-way lead screw to rotate, then two sets of moving blocks are driven to synchronously move in the same direction or away from each other along a guide rod, two sets of clamping plates are automatically opened and closed, and compared with traditional manual operation, the design can eliminate human errors, reduce human intervention and improve the working efficiency. Clamping deviation caused by difference of operation methods is avoided, so that stable positioning during metal part stamping is guaranteed, stamping precision is improved, the rubber pad provides flexible buffering, the surface of the metal part is prevented from being scratched, friction force is enhanced, the device can be matched with precision structural parts of different materials and shapes, and the application range of the device is widened.