19results about How to "Improve punching accuracy" patented technology

The screen plate machining die comprises a lower supporting plate, guide columns are fixedly installed at the top of the lower supporting plate, an upper supporting plate is fixedly installed at the tops of the guide columns, a lower die plate used for containing a plate body is fixedly installed at the top of the lower supporting plate through a lining plate, and a punch mechanism is movably arranged between the lining plate and the upper supporting plate. A driving mechanism used for driving the punch mechanism to move downwards is arranged on the upper supporting plate, the punch mechanism comprises a punch mounting seat, a plurality of punch units are arranged on the punch mounting seat, each punch unit comprises a punch assembly and a locking assembly, the punch assemblies are used for punching a plate body, and the locking assemblies are used for locking the punch assemblies. The locking assembly is used for controlling whether the punch assembly conducts punching or not. According to the punching device, the punches can be quickly and selectively locked through the locking assembly, the locked punches participate in punching operation, and the unlocked punches move upwards after making contact with the plate body, retract into the sliding grooves and do not participate in punching operation.

The utility model discloses a metal door and window production punching device, include: base, all be provided with the column pole at the 4 corners of base, and the top of column pole is installed the top plate, the top below of top plate is installed pneumatic telescopic link, and the drive end of pneumatic telescopic link is connected with the slide, the top of base is connected with the guide strip, and the top of guide strip is provided with module, the slide is slidably arranged in the middle part of column pole, and the below of slide is provided with the guide slot, the inside of guide slot is provided with the sliding block, and the below of sliding block is installed punch cutter, and sliding block and punch cutter are connected through the fastening screw. The metal door and window production punching device, through module to the metal door and window section bar fixed, punch conveniently, and can position the metal door and window section bar, improve the punching precision, and set up a variety of modules, punch the metal door and window section bar of different shape conveniently.

The utility model relates to the technical field of automobile accessory production, in particular to an automobile air conditioner belt pulley punching die. According to the punching die for the belt pulley of the automobile air conditioner, the belt pulley can be centered and aligned conveniently, and the punching precision of the belt pulley is improved. An automobile air conditioner belt pulley punching die comprises a base, a twisting handle, a two-way lead screw, sliding seats and the like, the two-way lead screw is rotationally connected to the inner side of the middle of the base, the twisting handle is connected to the front side of the two-way lead screw, and the sliding seats are connected to the front portion and the rear portion of the two-way lead screw in a threaded mode. The twisting handle is rotated to drive the bidirectional lead screw to rotate, the bidirectional lead screw rotates to control the sliding seats to be close to each other, the sliding seats are close to each other, the belt pulley is pushed to the middle position through the centering push wheel, the belt pulley can be centered and aligned conveniently, and the punching precision of the belt pulley is improved.

The utility model discloses an actuator end cover multi-drill-bit synchronous punching device which is characterized in that an actuator end cover is limited on the inner side of an annular limiting ring and placed above an annular limiting backing ring, positioning of the actuator end cover is accurate, block positioning is convenient and rapid, after the actuator end cover is positioned and fixed, a multi-drill-bit drilling machine moves downwards, and punching is completed. The pressing block penetrates through the pressing block guide hole to press the upper surface of the actuator end cover, the pressing block is of an inverted-T-shaped structure, the pressing block guide hole can be pressed, the actuator end cover can be pressed, the pressing plate can also be pressed, the actuator end cover is pressed and fixed through the pressing plate, the actuator end cover can be effectively positioned and fixed, and after the actuator end cover is fixed, the pressing plate is not prone to falling off. The drill bit penetrates through the punching guide hole to punch the actuator end cover, positioning and fixing of the actuator end cover can be achieved, the positioning and fixing effect on the actuator end cover in the punching process is good, the punching precision and quality can be effectively improved, multi-station multi-hole punching operation is achieved, and efficiency is high.

The utility model relates to mould technical field, concretely is a kind of disposable punching die for pipe double-sided punching, including lower die holder, the upper die holder is installed in lower die holder top by first elastic member, lower die holder top one end is equipped with fixed seat, and the core rod is installed in fixed seat side surface, and the core rod top is penetrated and is equipped with several punch holes along length direction, and the punch head assembly that is mutually matched with punch hole is installed in upper die holder bottom, and two guide columns are fixedly connected in upper die holder bottom, and fixed seat is equipped with the guide slot that is mutually matched with guide column, the utility model is penetrated and is equipped with punch hole and the punch head assembly that is matched with it by setting core rod, realizes the disposable double-sided punching of pipe, need not secondary positioning, improves production efficiency, while through the cooperation of guide column and guide slot, the accuracy of upper die holder movement is guaranteed, punch precision is improved, mould abrasion is reduced, and mould service life is prolonged.

The utility model relates to transformer core steel sheet processing technical field discloses a kind of transformer core steel sheet blanking device, including: blanking rack, its top is equipped with top plate;Blanking support, fixed on the blanking rack, including blanking bottom die, blanking top die and the blanking cylinder of driving blanking top die up and down movement, the contact surface of blanking bottom die and blanking top die is equipped with positioning hole and positioning rod, for realizing accurate alignment when blanking;Material rack, installation in blanking rack side, including push material cylinder, with the push material seat of push material cylinder connection and the push material passageway that steel sheet passes, the push material cylinder is fixed on material rack by cylinder seat, for continuously pushing steel sheet to the processing area of blanking bottom die.The utility model has the advantages of simple structure, convenient operation, high blanking precision, high production efficiency and the like.

The application provides an integrated punching and welding device and a punching and welding method, which comprises a support, a welding mechanism comprising a welding carriage and a welding gun, the welding carriage being provided with a support table, and the welding gun being arranged towards the support table, a punching mechanism comprising a mounting frame above the welding carriage, a driving assembly comprising a pushing piece, a transmission assembly comprising a reversing cam and a connecting frame, the reversing cam being capable of abutting against the pushing piece, and the connecting frame being connected to the reversing cam, and a punching assembly comprising a punch. The punching and welding device reverses and transmits the impact force through the reversing cam, thereby improving the punching precision and response speed. In addition, the device has a smaller volume through the high cooperation and reasonable layout among the above-mentioned mechanisms. Compared with the conventional punching device or welding device at the present stage, the application has the advantages of high integration degree, convenient operation, high processing quality, fast response speed and wide application range.

This utility model belongs to the field of punching equipment, specifically relating to a precision punching equipment for backpack shoulder straps. It includes a base plate, a support plate fixedly connected to the lower end of the base plate, a limiting mechanism on the support plate, and a bracket fixedly connected to the upper end of the base plate. A flattening mechanism is mounted on the bracket, and a punch is mounted on the flattening mechanism. This utility model uses a motor to drive a bidirectional screw to rotate and a top plate to perform a threaded movement. This causes a spring to elastically act on a sliding plate, allowing the clamping plate to move and clamp and limit backpack shoulder straps of different widths, ensuring precise strap positioning. Simultaneously, it avoids excessive clamping force that could deform the shoulder straps and affect processing accuracy.

The utility model relates to a punching die which comprises a base, a pressing plate and an ejector rod installation base, a lower die base is fixedly arranged at the top of the base, a tubular punching tool is fixedly arranged at the top of the lower die base, the pressing plate is connected to the upper portion of the lower die base through a first spring, a shaping groove is formed in the pressing plate in a penetrating mode, and the ejector rod installation base is connected with the lower die base through a second spring. The ejector rod mounting base is connected to the inner side of the base through a second spring and located below the lower die base, an ejector rod matched with the punching tool is fixedly arranged at the top of the ejector rod mounting base, the top end of the ejector rod penetrates through the lower die base and extends into the punching tool, and the ejector rod is fixedly arranged on the ejector rod mounting base. The bottom of the pressing plate is further fixedly connected with a plurality of sets of push rods used for pushing the ejector rod mounting base to move downwards. Waste materials in the tubular punching cutter can be automatically discharged through the ejector rod capable of moving up and down, manual waste discharging is not needed, production efficiency is improved, and labor cost is reduced.

This utility model discloses a drilling device for processing aluminum composite panels, including a base, a frame at the top center of the base, a first movable block on a first threaded rod, the first movable block being fixedly connected to a mounting frame, a second motor at the upper end of the mounting frame, a drill bit fixedly mounted at the output end of the second motor, a second movable block on the second threaded rod, the second movable block being fixedly connected to a movable frame above it, a third movable block on a third threaded rod, the third movable block being fixedly connected to a placement plate above it, a material collection groove at the top center of the placement plate, a fourth threaded rod inserted into the placement plate above the mounting groove, and the fourth threaded rod being movably connected to a pressure block below it. This drilling device has high drilling accuracy, good positioning stability, ensures drilling quality, and effectively improves the drilling efficiency of aluminum composite panels.

The utility model discloses a plate fixing structure of a punching machine, which belongs to the technical field of punching machines and comprises a processing table, a placing seat is arranged on the processing table, and a fixing component for fixing a plate is arranged on the placing seat. According to the punching machine, the problems that when an existing punching machine is used for punching a plate, the plate is mostly directly placed on a punching table by an operator, and the plate is not fully fixed, so that the plate is easy to shift during punching, the punching precision of the plate is low, and the punching quality of the plate is reduced can be solved. The side faces of the two ends of a plate are fixed through the side face fixing supports, the top face of the plate is fixed through the top face fixing support plate, the plate can be firmly fixed, displacement of the plate in the punching process is avoided, the punching precision and the punching quality of the plate can be improved, and the punching efficiency is improved. And the plates of different sizes can be fixed through the side face fixing support and the top face fixing support plate, the application range is wide, and the plate punching requirements under different conditions can be met.

The utility model discloses plate punching forming equipment which comprises a conveying assembly and a rack, and the conveying assembly is used for conveying plates. The rack is arranged at the output end of the conveying assembly. An aligning assembly, a punching mechanism, a forming mechanism and a cutting assembly which are sequentially arranged in the plate conveying direction are installed on the rack. The punching mechanism comprises a punching support and a hydraulic punching assembly, the punching support is installed on the rack, and the hydraulic punching assembly is installed on the punching support; the forming mechanism comprises a forming bracket, a plurality of forming rollers and a plurality of conveying rollers; the forming support is installed on the rack, and the multiple forming rollers and the multiple conveying rollers are rotationally connected to the forming support. The conicity of the forming rollers is sequentially increased in the plate conveying direction. A driving assembly is installed on the forming support. Precise positioning, efficient punching, optimized forming and precise cutting of the plate are achieved, automation and continuity of plate machining are further achieved, and the plate machining efficiency and quality are remarkably improved.

The utility model belongs to the technical field of shoes processing equipment, disclose a kind of vamp puncher, including base, the rack being fixed on the upper surface of base, vertical punch mechanism being arranged on the rack, punch plate being arranged below punch mechanism, and the drive mechanism of control punch mechanism is punched and moved up, drive mechanism is connected with punch mechanism by linkage mechanism;It also includes horizontal limiting mechanism for horizontal sliding to position eyelet position, and height limiting mechanism for sliding up and down to adjust the height of horizontal limiting mechanism and punch plate height.The utility model is applicable to eyelet punching, simple structure, convenient operation, improve punching precision and work efficiency.

The utility model discloses a rapid positioning punching device which comprises a workbench, a punching body and a positioning mechanism. A bracket is fixed on the workbench; the punching body comprises a lifting mechanism, a punch and a supporting die. The upper end of the lifting mechanism is fixedly connected with the support. The punch is arranged at the lower end of the lifting mechanism. The supporting mold is fixed on the workbench; the positioning mechanism comprises an end datum plate, a side datum plate, two mounting seats and at least two supporting blocks; the supporting block is fixed to the workbench, and a longitudinal groove is formed in the supporting block. Longitudinal scales are arranged in the longitudinal groove; the mounting seat is fixed on the workbench; the mounting seat is provided with a sliding rail; transverse scales are arranged on the end reference plate; a sliding groove is transversely formed in the side datum plate. The rear end of the side datum plate abuts against the end datum plate, and a positioning right angle is defined by the end of the side datum plate and the side edge of the end datum plate. A forming hole is formed in the position, corresponding to the punch, of the supporting die.

The invention discloses a die structure for punching multiple holes in gear forgings, and belongs to the technical field of punching equipment.The die structure comprises an upper die assembly and a lower die assembly, the lower portion of the upper die assembly is connected with a punching male die, the punching male die comprises a first male die body and second male die bodies, the second male die bodies are evenly distributed on the side of the first male die body, and the lower die assembly is provided with a cavity; a cavity is formed in the lower die assembly, the punching male die can enter and exit in the cavity, a stripper plate is arranged above the lower die assembly, the punching male die penetrates through the stripper plate, the stripper plate and the punching male die can longitudinally slide, the upper die assembly is movably connected with an ejection assembly, and the ejection assembly can enable the stripper plate to be away from the upper die assembly. Multi-hole punching of the forge piece can be achieved, the punching precision is improved, and material abrasion is reduced.

This utility model discloses an automatic punching die rapid positioning mechanism, relating to the field of punching die positioning technology. It includes a die rapid positioning disc, with a pressing and fixing motor fixedly connected to the outer wall of one side of the die rapid positioning disc. A pressing rod is movably connected to the inner wall of the die rapid positioning disc near the pressing and fixing motor. A fixing limit disc is fixedly connected to the top of one side of the pressing rod, and a friction pad is fixedly installed on the front side of one side of the fixing limit disc. By directly installing the die inside the die rapid positioning disc, the pressing and fixing motors on both sides control the extension and retraction of the pressing rod to adjust its position inside the die rapid positioning disc, thereby adjusting the distance between the two fixing limit discs. This can be appropriately adjusted according to the actual die size. Through the effect of pressing and fixing the die, the friction of the pressing is increased by using friction pads at multiple positions on the side of the fixing limit disc, improving the stability of the die fixation.

The invention relates to an efficient pipe fitting punching tool machine which is suitable for automatic positioning and multi-station punching machining of pipe fittings. The device comprises a pipe fitting positioning tool and a plurality of groups of extensible punching modules. The pipe fitting positioning tool is composed of a first fixing mechanism, a second fixing mechanism, a third fixing mechanism and a supporting core rod. The second fixing mechanism is provided with an accommodating hole for inserting a pipe fitting and a first punch hole communicated with the accommodating hole; the supporting core rod is slightly smaller than the inner diameter of the pipe, one end of the supporting core rod is fixed to the first fixing mechanism, the other end of the supporting core rod extends into the containing hole of the second fixing mechanism, and the pipe sleeves the supporting core rod and is fixed by the third fixing mechanism. The punching modules are arranged at intervals in the length direction of the second fixing mechanism, each module comprises a punch and a first driving part, and the punches are aligned with the first punch holes and driven by the first driving parts to stretch into the first punch holes to complete punching machining. According to the efficient pipe fitting punching device, through the integrated design, efficient and automatic operation of pipe fitting punching is achieved, the production efficiency is remarkably improved, and the labor cost is effectively reduced.

This utility model relates to the technical field of aircraft engine skid plate processing equipment, and particularly to a processing device for aircraft engine skid plates. The processing device for aircraft engine skid plates provided by this utility model solves the technical problem of low punching accuracy in existing skid plate processing equipment. The processing device for aircraft engine skid plates includes a frame; a stamping assembly disposed on the frame, the stamping assembly having a punch; and a die disposed on the frame. By setting a positioning rod, and with the lower end of the punch lower than the lower end of the positioning rod, during punching operations, after the first hole on the skid plate is punched, the skid plate moves a certain distance towards the positioning rod before punching the next hole. The positioning rod allows the skid plate to be positioned by engaging with the previous hole during punching, thereby effectively improving the punching accuracy of the skid plate processing device.

The invention discloses a carrier tape positioning and punching die, and belongs to the field of carrier tapes, the carrier tape positioning and punching die comprises an upper die and a lower die which are matched up and down, the lower die is provided with a guide plate and a limiting plate, the limiting plate is located above the guide plate, and a conveying channel for a carrier tape to pass through is formed between the limiting plate and the guide plate; the top of the guide plate is provided with a plurality of positioning guide grooves used for conveying and guiding the carrier tape at intervals in the length direction of the guide plate, the upper die is provided with a pressing plate, the bottom of the pressing plate is provided with a plurality of pockets acting on the carrier tape and protruding blocks used for positioning the pockets of the carrier tape, a punching needle set is arranged in the middle of the upper die, and the punching needle set penetrates through the protruding blocks during punching. According to the carrier tape positioning and punching die, through the arrangement of the protruding block, before punching operation is conducted, the position of a pocket is fixed through the protruding block, then punching is conducted, the pocket is directly positioned through the protruding block, and the punching precision can be greatly improved without a complex structure.