2647results about "Perforating tools" patented technology

The present invention addresses the problem of providing a method and a punch for punching an amorphous metal foil with which a greater reaction force is prevented from acting on the punch in a short period of time, a great impact is prevented from being imparted to a press machine, and loud processing sound or great vibrations are prevented from being produced, during punching of an amorphous metal foil in press working.　The present invention provides a method for punching an amorphous metal foil that is punched into a prescribed shape by a press machine, the method including a step for placing the amorphous metal foil on a die, and a step for punching out, by using a punch, a portion of the amorphous metal foil placed on the die, the distal-end surface of the punch being an inclined surface that is inclined in one direction with respect to a plane orthogonal to the direction of movement of the punch. The present invention also provides a punch applied in punching of an amorphous metal foil that is punched into a prescribed shape by a press machine, the punch being configured such that the distal-end surface of the punch is an inclined surface inclined in one direction with respect to a plane orthogonal to the direction of movement of the punch.

The invention discloses a solid waste recycling forming machining die, and relates to the technical field of bicycle production waste reutilization, the solid waste recycling forming machining die comprises a lower die mechanism, an upper die mechanism is arranged on the lower die mechanism, a pressing mechanism is arranged on the upper die mechanism, and a male die set is arranged in the middle of the bottom wall of an upper die base; the material pressing mechanism comprises a first spring and a material pressing plate which are arranged on the upper die base, and further comprises an elastic ejector block set arranged on the material pressing plate and a guide hole site set formed in the material pressing plate in an up-down penetrating mode. The die has the advantages that the same die carries out stepped continuous punching operation, punching stress can be reduced, and the probability of deformation of the disc brake during punching is reduced; residual stress existing in the punched disc brake disc can be redistributed through attaching and pressure maintaining, and the situation that due to the fact that large holes and small holes in the disc brake disc are evenly and densely distributed in position, local deformation is generated is prevented; and the elastic ejector block group applies uniform elastic pressing force to the disc brake disc, so that the probability of deformation of the disc brake disc during rigid demolding is reduced.

The utility model discloses an anti-sticking punching device for bearing forging. The anti-sticking punching device comprises a punching rack, a lifting driving mechanism, a punching head, a punching table, a guide vertical rod, a guide transverse rod, a clamping block and a pressing rod. The guide vertical rod is in up-down sliding fit with the stamping table around the center of the stamping table; supporting springs are arranged at the tops of the guide vertical rods; a push-stop block is mounted at the top of the guide vertical rod; a vertical surface and an inclined surface are arranged on one side surface of the push stop block from top to bottom; the inclined surface is obliquely arranged in the direction far away from the blanking hole from top to bottom; the guide cross rod is in horizontal sliding fit with a bracket on the stamping table; reset springs are arranged at the outer ends of the guide cross rods; the pressing rod is connected with the punching head; the bottom end of the pressing rod is vertically aligned with the top end of the guide vertical rod; when the stamping head moves downwards and upwards, the outer end of the guide cross rod slides along the vertical face all the time, the clamping blocks clamp and restrain forging materials all the time, and the material sticking situation in the stamping process is effectively avoided.

A punching fixture with side sliding blocks. The punching fixture comprises an upper die (2) and a lower die (1), wherein at least one stamping station groove for positioning a workpiece to be machined is provided on the lower die (1); a stamping double-blade assembly (13) is provided on a side surface of each stamping station groove, and each stamping double-blade assembly (13) comprises blades (132), which can move close to or away from each other; an internal support pillar (28) cooperating with the stamping station groove and configured to fix the workpiece to be machined is provided on the lower surface of the upper die (2); guide pins (12) vertically extending upwards are provided on the upper surface of the lower die (1); and guide bushings (27) adapted to the guide pins (12) are provided on the upper die (2).

The utility model relates to the technical field of mechanical part machining, and discloses a punching device for mechanical part machining, which comprises a machining table, the top of the machining table is provided with a collecting groove, and one side of the collecting groove is provided with a movable opening; the first supporting column is arranged at the top of the machining table; the second supporting column is arranged on the top of the machining table. By starting the telescopic rod, the telescopic rod operates to drive the clamping plate to move through the first connecting block, the clamping plate moves to drive the rack to move through the second connecting block, the rack moves to drive the other rack to move through the gear, and the other rack moves to drive the other clamping plate to move through the other second connecting block. The two clamping plates move oppositely to clamp the mechanical part needing to be punched, then the motor is started, the motor operates to drive the threaded rod to rotate, the threaded rod rotates to drive the placing table to move, the placing table moves to drive the mechanical part to move, and therefore the effects of clamping the mechanical part and driving the mechanical part to move are achieved.

The steel plate machining punching device comprises a bottom plate, the top of the bottom plate is sequentially provided with a frame body, a punching mechanism, a fixing mechanism and a mounting groove from right to left, the upper end and the lower end of the frame body are provided with openings, the left side and the right side of the frame body are provided with a strip-shaped opening and a rectangular opening respectively, and the strip-shaped opening and the rectangular opening are communicated with the bottom of the frame body. The top of the bottom plate is provided with an extending opening right corresponding to the rectangular opening in the horizontal direction, the bottom of the bottom plate is provided with a pushing mechanism, the right end of the interior of the extending opening is provided with a pushing block extending to the position above the extending opening, the pushing block is located on the right side of the rectangular opening, and the upper end of the right side of the pushing block is an inclined plane; according to the steel plate machining and punching device, the effects of automatic feeding, fixing and positioning are achieved, the machining efficiency and the punching effect are improved, the rejection rate is reduced, and therefore materials are saved, and the cost is reduced.

The invention relates to a machining mechanism for electric tool accessories, which is applied to the technical field of accessory machining equipment and comprises a mounting worktable, a stamping cylinder mounted at the upper end of the mounting worktable, a stamping head fixed at the lower end of the stamping cylinder and a clamp mounted below the stamping cylinder and matched with the stamping head. A multi-station rotating disc is rotationally connected to the table top of the installation workbench, the clamp is installed in the multi-station rotating disc, the punching cylinder and the punching head are fixedly connected through a fixing plate, and a driven assembly is installed on one side of the fixing plate and used for driving the multi-station rotating disc to rotate clockwise in the lifting process of the fixing plate. An opening and closing piece is fixed to the table top of the mounting workbench and used for enabling the clamp to be opened or clamped, by the adoption of the driven assembly, the opening and closing piece and other structures, the cost of the machining mechanism for the electric tool accessories is reduced, meanwhile, energy consumption in the machining process is reduced, low-cost environment-friendly machining operation is achieved, and the machining efficiency of the electric tool accessories is improved. And the production cost of electric tool accessories is reduced.

The utility model discloses a hardware mold punching device, and relates to the field of hardware mold processing technology. The utility model includes a device body, a hydraulic rod and a bellows are respectively installed on the upper part of the inside of the device body, the output end of the hydraulic rod is connected to a mounting frame, piston rods extending to the inside of the bellows are installed on both sides of the top of the mounting frame, and the utility model is provided with a bellows, an air duct, an annular tube, a semiconductor refrigeration sheet, a piston rod and a piston plate, when the hydraulic rod pushes the mounting frame to move downward, the piston rod will pull the piston plate to move downward, and then the outside air will enter the bellows along the nozzle, the annular tube and the air duct, and the semiconductor refrigeration sheet will cool the air, and after the punching is completed, the hydraulic rod drives the mounting frame to move upward, so that the piston rod pushes the piston plate to move upward, and the cold air in the bellows is blown to the punching head through the air duct, the annular tube and the nozzle, so as to cool the punching head.

The invention provides a stamping die waste discharging mechanism, and relates to the technical field of stamping auxiliary equipment, the waste discharging mechanism comprises a discharging slide way and two blowing assemblies, and the bottom wall of the discharging slide way is provided with a plurality of material distribution discharging ports; a material supporting plate assembly is arranged on the inner side of each material distributing and discharging opening; a set of material blocking roller components are arranged on the side portion of each material distributing and discharging opening, the bottom of the material discharging sliding way is provided with a plurality of material blocking roller driving components connected with the bottoms of the material blocking roller components, and the material blocking roller driving components can act on the bottoms of the material blocking roller components so that the material blocking roller components can alternately rotate forwards and backwards. A jacking connecting rod is arranged at the top of the air blowing assembly, and the jacking connecting rod can act on the air blowing assembly when being pressed so that the air blowing assembly can spray air flow to the material receiving area; when the die assembly is in a die assembly state and punches the workpiece, the die assembly can press the jacking connecting rod downwards.

The invention discloses automatic assembly equipment and method for a pressure cooker. The equipment comprises a punching device, a riveting device and a rotary conveying device. The punching device comprises an outer side punching mechanism, an inner side punching mechanism and a punching lifting driving mechanism used for driving the outer side punching mechanism and the inner side punching mechanism to conduct lifting movement, and the outer side punching mechanism comprises a male die punch and a male die driving mechanism used for driving the male die punch to be close to or away from the outer wall of the cookware. The inner side punching mechanism comprises a female die base and a female die driving mechanism used for driving the female die base to be close to or away from the inner wall of the cookware. The rotary conveying device comprises a rotary workbench, a rotary driving mechanism used for driving the rotary workbench to rotate and a positioning mechanism arranged on the rotary workbench and used for positioning the cookware. The mounting base can be automatically assembled on the cookware, time and labor are saved, and the working efficiency is high.

The utility model discloses a punching assembly and a section bar processing production line, and the punching assembly comprises a rack which is provided with a first conveying device; the two punching devices are located on the two sides of the first conveying device correspondingly, and the two punching devices are movably connected to the rack; the two punching devices are both provided with lower dies, the two lower dies are both provided with die cores opposite to each other, each die core is provided with a material hanging part, the punching devices are connected with a material pressing mechanism, the material pressing mechanism is provided with a push rod, and the moving path of the push rod passes through the horizontal plane where the corresponding material hanging part is located; a vertical die hole is formed in a die core of the punching device, and a stamping upper die is arranged at the position corresponding to the vertical die hole. And the lifting mechanism is provided with a lifting part, and the lifting part is located between the two lower dies. The punching assembly can achieve automatic punching of the narrow face of the rectangular pipe, the machining efficiency is effectively improved, the rectangular pipe can be prevented from toppling over during conveying, and the machining stability is improved.

The invention discloses drilling and riveting power equipment for large-size composite components, and particularly relates to the technical field of riveting machining, the drilling and riveting power equipment comprises a riveting power assembly, a to-be-riveted workpiece and a supporting tool assembly, the riveting power assembly is driven by a first manipulator to move, and the supporting tool assembly is used for supporting the to-be-riveted workpiece; the riveting power assembly comprises an execution base, and a riveting gun and a feeding pipe are arranged on the execution base. A positioning seat is further arranged at the bottom of the execution seat, a first vacuum adsorption structure is fixedly connected to the bottom of the positioning seat, and a nail storage device is arranged on the positioning seat. The first vacuum adsorption structure is used for reversely adsorbing the to-be-riveted workpiece, and the positioning seat is used for auxiliary supporting, so that the butt joint of the riveting gun and the riveting hole is more accurate during actual riveting, meanwhile, the situation that the to-be-riveted workpiece is excessively pushed during rivet feeding, and consequently the to-be-riveted workpiece is deformed or damaged can be avoided, and the riveting efficiency is improved. And the actual riveting precision is further improved.

The utility model belongs to the technical field of metal stamping, and relates to a disc-shaped belt ear piece transfer die capable of saving the width of a material belt, which comprises a feeding guide groove, a feeding punching unit, a rotating unit, a raising unit and a punching trimming unit which are arranged along the conveying direction of the material belt, the working sections of the feeding and punching unit, the rotating unit, the raising unit and the punching and trimming unit are conveyed to the next working station by adopting the stepping conveying unit; the feeding and punching unit is used for cutting a blank with a disc-shaped lug piece on a material belt, the cutting part is a waste area, an included angle of 30-60 degrees is formed between the symmetry axis of the blank and the conveying direction of the material belt, and the rotating unit is used for rotating the blank to an angle that the symmetry axis is perpendicular to the conveying direction of the material belt. Under the condition that the stepping distance is not affected, more materials in the direction of the waste material area can be utilized at the position where the lug part is located, the width needed by the material belt is not the length of the symmetry axis of the blank, the symmetry axis serves as a right-angle side of the bevel edge, and therefore the width of the material belt can be saved.

The invention is suitable for the technical field of aluminum template punching, and provides an aluminum template punching device which comprises a feeding base, rotating supporting plates are rotationally arranged on the two sides of the feeding base, a lifting base is arranged above the feeding base in a sliding mode, a forward rotating shaft and a reverse rotating shaft are rotationally arranged on the lifting base, and a rack base, a driving part and a driven part are arranged on the reverse rotating shaft; a driving lever is arranged on the driven piece; a lifting plate capable of ascending and descending is arranged below the lifting seat, and a plurality of suction cups are arranged on the lifting plate; the punching base is arranged at one end of the feeding base, the two sides of the punching base are each provided with an outer clamping sleeve, an inner clamping sleeve and a punching base, and punching heads are arranged on the punching bases. Therefore, automatic transposition of the aluminum die workpiece can be completed, double-side punching of the aluminum die workpiece is achieved, the occupied area of the device is reduced, the operation efficiency is improved, the punching position can be adjusted, and different machining requirements are met.

The utility model discloses a forklift split rim production system which comprises a first punching machine, an oil press, a second punching machine, a roll-over stand and a lathe which are sequentially arranged, and a chopping and feeding device is arranged at the feeding end of the first punching machine; a circulating conveying line is arranged between the lathe and the first punching machine, and a feeding conveying line is arranged at the end, close to the first punching machine, of the circulating conveying line; according to the production line, by arranging the production line, the automation level can be improved, the labor intensity of workers in production can be reduced, meanwhile, the production takt is conveniently adjusted through automatic production, the invalid waiting time between production stations is shortened, and the production efficiency is improved.

The utility model discloses a discharging and overturning die and a punching assembly. The die comprises a lower die plate, an upper die plate and a lower die plate, and the multiple mold cores are arranged on the lower mold plate and are arranged at intervals in the first linear direction, the first outer end face of each mold core is provided with a rotary guide head, and at least one rotary guide head is provided with a first guide inclined face used for separating discharged materials. During machining, the two discharging and overturning dies are located on the two sides of a plurality of rectangular pipes correspondingly, after all the rectangular pipes reach the designated positions and are lifted, the two discharging and overturning dies move in the direction close to the rectangular pipes, every two rotary guide heads stretch into an inner cavity of one rectangular pipe, and in the process, the two discharging and overturning dies rotate around the inner cavity of the rectangular pipe. The inner wall of the rectangular pipe makes contact with the first guide slopes of the two corresponding rotary guide heads, the two rotary guide heads force the rectangular pipe to move along the two first guide slopes along with gradual penetration of the two rotary guide heads, and therefore separation of the two adjacent rectangular pipes is achieved, and friction force between the two adjacent rectangular pipes is eliminated.

The embodiment of the invention provides a plate structure, a preparation method thereof and electronic equipment, and relates to the field of electronic equipment. The plate structure comprises a plate body and a boss which are connected into an integrally-formed piece, and the plate body is provided with a stepped hole. At least part of the second hole section of the stepped hole is formed in the boss and penetrates through the boss; the circumferential surface of the first hole section of the stepped hole and the first surface of the plate body are in smooth transition through a chamfer, and the radius of the chamfer is smaller than or equal to 0.3 mm; and the minimum distance from the peripheral surface of the first hole section to the surface, deviating from the plate body, of the boss is greater than or equal to 0.3 mm. The plate structure is formed by hot stamping a plate base material on a base, and the base is provided with an abutting face and a conical face which face the plate base material. The distance between the stamping part and the abutting face is 0.6-0.8 time of the thickness of the plate body. The plate structure has the advantages of being attractive in appearance and good in mechanical performance.

The invention discloses a plate stamping method and device, electronic equipment and a medium, and relates to the technical field of stamping machining. The method comprises the steps of obtaining a design file of a board; the plate is conveyed to the processing track through the conveying device; according to the design file, the plate is divided into a plurality of machining areas, the punching module is divided into a plurality of punching areas, and a punch set of each punching area is determined; pre-punching is sequentially conducted on all the machining areas of the plate in the extending direction of the separation notches through a first punching machine; punching is conducted on the corresponding machining areas through each punch set of the punching module; the connecting sections between the multiple separation holes of each machining area are punched in sequence through a punching module, so that the multiple separation holes communicate with one another to form separation grooves; when the plate arrives at the outlet of the processing track, the plate is divided into two plate pieces with the same size along the separation groove through the separation piece. According to the method, various assembly holes with different sizes can be punched at the same time through one punching die.

The invention relates to the technical field of trimming and punching all-in-one machines, and one embodiment of the invention provides electric power fitting trimming and punching all-in-one equipment which comprises a machine body placed on the ground; the trimming punch is arranged on the machine body in a lifting manner; the punching punch is arranged on the machine body in a lifting mode and located on one side of the trimming punch. The trimming blanking table is arranged on the machine body and located below the trimming punch. The punching lower die is arranged on the machine body and located on one side of the trimming blanking table and below the punching punch. The first material pushing part is movably arranged on the machine body, the moving direction of the first material pushing part is perpendicular to the lifting direction of the trimming punch, and the first material pushing part is used for pushing the electric power fittings on the trimming blanking table to the punching lower die. By means of the technical scheme, the technical problem that in the prior art, trimming and punching are completed through different devices, and consequently the production and machining efficiency is low is solved.

The invention discloses an automobile covering part stamping die and a stamping process, and belongs to the technical field of stamping dies, the automobile covering part stamping die comprises a lower die, a stamping rack used for bearing and mounting is fixedly mounted at the bottom of the lower die, an upper die used for stamping is arranged at the top of the lower die, and an air cylinder used for driving is mounted at the top of the stamping rack; the output end of the air cylinder is provided with a downward-pressing moving base used for pushing and installing an upper die, and the downward-pressing moving base is movably connected to the punching rack. According to the stamping die and the stamping process for the automobile covering part, the trimming cutter, the punching cutter and the electromagnetic armature are arranged, so that after the metal plate is stamped by the lower die and the upper die, the metal plate can be cut and punched through cooperation of related parts such as the pushing column, the moving frame and the pushing frame; and the metal plate can be automatically demoulded and unloaded through the matching of the electromagnetic armature, so that the stamping process of the automobile covering part can be reduced, the stamping efficiency is improved, and the production cost is reduced.

A method of manufacturing a metallic member having a cut edge surface with improved corrosion resistance is provided. The method of manufacturing a metallic member uses a press tool to stamp a metal sheet having front and back faces covered with a coating layer, thus producing a metallic member. The press tool includes a punch, a counter-pad, a sheet holder, and a die. The sheet holder includes a projecting portion at an inner circumferential edge of the face facing the metal sheet, the projecting portion of the sheet holder including a corner at its inner circumference, the corner having a radius of curvature R1, the radius of curvature R1 being not smaller than 0.10 times the thickness of the metal sheet. The manufacturing method includes: pushing the projecting portion into the metal sheet; and moving the punch and the die closer to each other to stamp the metal sheet.

The utility model discloses a closed die for crash barrier punching, which comprises an upper die assembly and a lower die assembly, the lower die assembly comprises a lower die seat plate and a lower female die fixedly installed on the lower die seat plate, the upper end of the lower female die extends to form a cantilever part used for extending into a square tube, and the cantilever part is provided with an avoiding hole site; the upper die assembly is provided with a plurality of male dies corresponding to the avoiding hole positions. According to the utility model, the interior of the square tube is effectively supported through the cantilever part, so that the wall plate of the square tube is punched under the supporting action, the punching deformation can be prevented, the loss rate of the square tube caused by punching damage is reduced, the punching planeness is improved, and the incidence rate of punching cracks is reduced.

The invention discloses a lamp tube support forming line which comprises a conveying device provided with a conveying face extending in the front-back direction. The feeding mechanism is located on one side of the conveying upstream of the conveying device, and the feeding mechanism is provided with a feeding frame capable of getting close to the conveying face downwards or getting away from the conveying face upwards; the punching and shaping mechanism comprises working units located on the left side and the right side of the conveying device, each working unit comprises a first base, a first upper die and a second lower die, the first upper dies and the second lower dies are arranged in the first bases, the first bases can move in the direction close to or away from the conveying face, and shaping dies are arranged on the sides, right opposite to the conveying face, of the first upper dies. The first upper die is provided with a shaping block and a punching rod, the first lower die is provided with a shaping block and a punching rod, the first upper die and the first lower die can be close to each other, when the lamp tube support is punched, the end position of the lamp tube support can be flattened and shaped at the same time, and pulling deformation of the position nearby a punched hole in the punching process is reduced; therefore, the punching quality and efficiency of the lamp tube support are improved.

The invention discloses a stamping waste adsorption anti-blocking device, and relates to the technical field of waste collection, the stamping waste adsorption anti-blocking device comprises a lower module, the bottom of the lower module is fixedly connected with a material collecting box, and the material collecting box is used for collecting waste; a butt joint block is fixedly connected to one side of the lower module, a waste pipeline is fixedly connected to one end of the butt joint block, and an anti-blocking mechanism is arranged on the outer surface of the waste pipeline. The knocking block driven by the fixed cylinder is in rotary linkage with the large gear ring, surrounding knocking along the outer wall of the waste pipeline is achieved, the whole path including the bent position is covered, reciprocating knocking is conducted on the surface of the waste pipeline while the rotating ring rotates in a surrounding mode, attached waste is effectively stripped through vibration, the internal space of the waste pipeline is not occupied, and the waste pipeline is convenient to use. And meanwhile, through the meshing design of a second gear and an arc-shaped rack in the moving mechanism, the anti-blocking assembly can move along a preset arc-shaped rail to adapt to the complex shape of the pipeline, cleaning blind areas are thoroughly eliminated, and abrasion of the waste pipeline is reduced.

The utility model relates to a punching device for processing angle steel tower accessories, aiming to solve the problem that the existing punching devices often use hydraulic power mechanisms and punching heads to punch steel plates, and the holes in the steel plates will be torn by the punching pressure to produce burrs in the holes. The raised burrs will affect the use of the holes in the steel plates, so further grinding treatment is required later, which increases the grinding process and reduces the processing efficiency. The utility model includes a base, and the base surface is connected with a bracket. The utility model drives the support plate to move vertically through a hydraulic cylinder, thereby driving the punching assembly to move vertically to achieve punching of the steel plate of the angle steel tower. The matching engagement between the guide rod and the guide groove opened inside the vertical part of the limit frame can maintain the vertical movement stability of the support plate. The motor effectively drives the active wheel to rotate, and at the same time, under the action of the transmission belt, the punching assembly rotates, which is convenient for the grinding part of the punching assembly to grind the inside of the punching hole and reduce burr residue.

The invention discloses an automobile part cold stamping die and a stamping method thereof, and relates to the technical field of stamping dies. An automobile part cold stamping die comprises an upper die plate and a lower die plate which are installed on an upper installation plate and a lower installation plate respectively, a sliding block is arranged in the upper die plate in a sliding mode, a male die is installed on the bottom face of the sliding block, and a female die groove corresponding to the male die is formed in the lower die plate. The upper mounting plate and the lower mounting plate are respectively provided with a guide sleeve and a guide column; a punching needle used for punching is installed on the upper die plate. By means of the device, middle concave forming, four-corner punching, burr control and natural chamfering can be synchronously achieved, and secondary procedures of deburring and manual chamfering after traditional punching are omitted by means of the collaborative design of pre-pressing of an inner concave ring groove area through the conical extrusion die and precise punching of the punching needle; and T-H-alpha-R parameter correlation logic is combined, so that the punching process requirement can be met through one-time punching.

The invention relates to the technical field of stamping and punching, and discloses an annular workpiece punching stamping device which comprises a mounting seat, a supporting frame is fixedly connected to the top of the mounting seat, positioning rollers are rotationally connected to the two sides of the top of the mounting seat through supports, and the two positioning rollers are used for supporting the bottom of an annular workpiece body. According to the punching device for punching the annular workpiece, through the arrangement of the two positioning rollers, the annular workpiece body subjected to punching machining can be positioned and supported, the annular workpiece body can be rotationally driven by the driving assembly conveniently, and then punching machining at different positions is met; according to the annular workpiece punching device, the punching position of an annular workpiece body can be supported through the supporting piece, workpiece deformation caused by high-strength punching movement is avoided, punching waste can be conveniently discharged, good punching work is achieved, and punching work of annular workpieces of different thicknesses is met.

The utility model discloses an oil filter inner chassis punching forming device which comprises a workbench, the rear side of the top of the workbench is fixedly connected with a connecting block, and the front side of the connecting block is fixedly provided with a punching machine. According to the oil filter inner base plate punching device, the oil filter inner base plate is placed on the top of the supporting ring, then the rotating disc, the connecting rod and the rotating rod are used in cooperation, the sliding L-shaped plate clamps and fixes the outer side of the oil filter inner base plate, and then the porous punch can punch the oil filter inner base plate; the inner chassis of the oil filter can be clamped in the punching process by adopting a rotary inner support clamping structure and multi-hole punching, so that the multi-hole punching is performed on the inner chassis of the oil filter, the time is saved, the clamping and fixing are performed, the accuracy is improved, the danger caused by manual supporting and fixing is avoided, and the production efficiency is improved. Therefore, the purpose of improving the quality and the efficiency of the inner chassis of the oil filter during processing is achieved.

The utility model discloses a license plate stamping die which comprises an upper die and a lower die, and a first guide mechanism is arranged between the upper die and the lower die. The lower end of the upper die is slidably connected with a plurality of first guide columns, and the lower ends of the first guide columns are fixedly connected with a stamping plate. A plurality of punching columns are arranged at the lower end of the upper die; a plurality of punching grooves are formed in the punching plate in a penetrating mode and correspond to the punching columns. A bottom block is arranged on the lower die, a plurality of discharging grooves are formed in the bottom block and the lower die in a penetrating mode, and the discharging grooves correspond to the punching grooves; the front side and the rear side of the lower end of the upper die are fixedly connected with cutting blocks correspondingly, and the cutting blocks are located at the two ends of the bottom block in the vertical direction and do not coincide. A connecting mechanism located at the feeding end of the bottom block is arranged on the lower die, and a second guide mechanism is arranged on the outer side of the connecting mechanism. According to the utility model, raw materials can be subjected to continuous punch forming, and manual material taking and placing operations are reduced, so that dangers are reduced.