CN113333566A

CN113333566A - Footboard punching press side cut mould

Info

Publication number: CN113333566A
Application number: CN202110893815.7A
Authority: CN
Inventors: 方磊; 夏玲
Original assignee: Ningbo Yiwei Machinery Co ltd
Current assignee: Ningbo Yiwei Machinery Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-09-03

Abstract

The application relates to a pedal stamping and trimming die, which belongs to the technical field of pedal processing and comprises a movable die frame, a cutter, a positioning table and a static die frame, wherein the movable die frame, the cutter, the positioning table and the static die frame are sequentially arranged from top to bottom; the side wall of the cutter close to the positioning table is fixedly provided with a cutting edge, and the cutting edge is in an annular shape consistent with the outline shape of the pedal; the inner sides of the cutter and the cutting edge are provided with caulking grooves, the outline shapes of the caulking grooves are consistent with the outline shape of the pedal, and the depth of the caulking grooves is larger than the whole thickness of the pedal. Utilize annular cutting edge to cut the footboard, can be quick cut down the waste material that has on the footboard periphery, replaced the work of artifical clearance footboard upper scrap, reduce workman's intensity of labour, improve the machining efficiency to the footboard.

Description

Footboard punching press side cut mould

Technical Field

The application relates to the technical field of footboard processing, especially, relate to a footboard punching press side cut mould.

Background

Referring to fig. 1 and 2, the pedal 8 of the motor vehicle is a rectangular shell structure, and the surface of the pedal is provided with anti-skid grains 81 to increase the friction force on the surface of the pedal; two fixing plates 82 which are parallel to each other and spaced are fixedly arranged on the inner side of the pedal 8, the middle part of each fixing plate 82 along the length direction of the fixing plate 82 protrudes to one side far away from the anti-skid grains 81, a connecting hole 821 is formed in the protruding position of each fixing plate 82, a connecting groove 83 and a positioning hole 84 are formed in the axial side wall of the pedal 8 along the connecting hole 821, and the pedal 8 can be installed on a motor vehicle through the connecting hole 821, the positioning hole 84 and the connecting groove 83; a plurality of reinforcing ribs 85 are fixedly connected to the inner side of the step plate 8 to increase the structural strength of the step plate 8.

At present, the pedal is integrally formed by die casting, and then a connecting hole is formed in a fixing plate on the pedal. However, in the die-casting process, a lot of waste materials are formed around the pedal, so after the pedal is die-cast and formed, the waste materials on the pedal need to be manually cut and cleaned, the labor intensity is high, and the quality of manual cleaning is poor.

Disclosure of Invention

In order to improve the work efficiency and the excision quality of the peripheral waste material of excision footboard, this application provides a footboard punching press side cut mould.

The application provides a footboard punching press side cut mould adopts following technical scheme:

a pedal stamping and trimming die comprises a movable die frame, a cutter, a positioning table and a static die frame which are sequentially arranged from top to bottom, wherein the movable die frame is connected to the static die frame in a sliding manner, the cutter is fixedly connected with the movable die frame, and the positioning table is fixedly connected with the static die frame; the side wall of the cutter close to the positioning table is fixedly provided with a cutting edge, and the cutting edge is in an annular shape consistent with the outline shape of the pedal; the inner sides of the cutter and the cutting edge are provided with caulking grooves, the outline shapes of the caulking grooves are consistent with the outline shape of the pedal, and the depth of the caulking grooves is larger than the whole thickness of the pedal.

By adopting the technical scheme, after the pedal is subjected to die-casting forming, the pedal with waste materials is placed on the positioning table, the positioning table is used for positioning the pedal, then the oil press is used for driving the movable die frame to move towards one side of the static die frame, the cutter and the cutting edge also move towards the direction of the pedal on the positioning table along with the movable die frame, the pedal is embedded into the cutting edge and the inner side of the caulking groove, and the cutting edge cuts off the waste materials on the periphery of the pedal. And, after the cutting edge downcuts the waste material on the footboard, the surface of footboard can not contact with the tank bottom of caulking groove, can play the protection effect to the anti-skidding line on footboard surface, can not cause the damage to the anti-skidding line on footboard surface. Therefore, the trimming die can replace the manual work of cleaning the waste on the pedal, reduce the labor intensity of workers and improve the cutting efficiency and the processing quality of the waste around the pedal.

Optionally, a plurality of supporting blocks are fixedly arranged on the positioning table, and the supporting blocks are positioned at positions, corresponding to the pedal, of the positioning table, where no reinforcing ribs are arranged; the positioning table is provided with a first positioning groove and a second positioning groove, the part of the pedal provided with the connecting groove can be embedded into the first positioning groove, and the part of the pedal provided with the positioning hole can be embedded into the second positioning groove.

Through adopting above-mentioned technical scheme, place the footboard back on the location platform, the terminal surface of supporting shoe can laminate the position that is not equipped with the strengthening rib in the footboard is inside, and the position that the spread groove was seted up to the footboard simultaneously is embedded into first constant head tank, and the position that the locating hole was seted up to the footboard is embedded into the second constant head tank to this fixes a position the footboard, makes the stability of footboard on the supporting shoe better. The footboard can be stable to improve the cutting accuracy of blade to the peripheral waste material of footboard.

Optionally, a center block is fixedly arranged on the positioning table, a yielding groove is formed in the center block, and the yielding groove is located at a position, corresponding to the pedal, of the positioning table, and protruding parts of the fixing plate are located on the positioning table.

Through adopting above-mentioned technical scheme, place the footboard on the location bench back, the protruding position of footboard upper fixed plate can imbed the inslot of stepping down, makes the protruding position of fixed plate not interfere the location effect of location platform to the footboard.

Optionally, a sliding block is slidably connected to one side of the positioning table on the central block, and a plunger is fixedly arranged at an end of the sliding block close to the central block; the punching rod is arranged in the punching hole in a penetrating mode and connected with the center block in a sliding mode.

Through adopting above-mentioned technical scheme, the protruding position of footboard upper fixed plate can imbed the caulking groove in the back, the position that needs set up the connecting hole on the messenger fixed plate can with punch a hole and align, then the drive slider removes to center block one side, it stretches into in the through-hole to drive the jumper bar after passing the groove of stepping down, can pierce through the bracing piece that is located the inslot of stepping down when the jumper bar passes the groove of stepping down, thereby form the connecting hole on the fixed plate, consequently, can realize the purpose of processing the connecting hole on the fixed plate when cutting edge the footboard, reduce the processing step to the footboard, and the machining efficiency is improved.

Optionally, the static die frame is provided with a blanking hole, and the blanking hole is communicated with the through hole.

Through adopting above-mentioned technical scheme, the waste material that the jumper bar was gone up on the fixed plate can be pushed in the through-hole to discharge in the through-hole through blanking hole follow, make the waste material of dashing down difficult piling up in the through-hole.

Optionally, one end of the sliding block, which is far away from the punch rod, extends to the outer side of the mounting groove and is connected with a guide block, an inclined plane is formed on the guide block, and the inclined plane gradually inclines to one side of the central block along with approaching the cutter; and a driving block is fixedly arranged on the movable mould frame, and the end surface of one side of the driving block, which is far away from the movable mould frame, is abutted against the inclined plane of the guide block and is coincided with the inclined plane.

Through adopting above-mentioned technical scheme, at the in-process that the movable mould frame removed to quiet mould frame one side, the drive block can produce thrust to the scarf of guide block, can drive thrust to quiet mould frame one side and decompose out a thrust towards center block one side under the effect of scarf, therefore the slider can slide to center block one side to realize the purpose that the jumper bar punches a hole on the footboard, made things convenient for the drive to the jumper bar, simple structure is practical.

Optionally, a return spring is arranged between the guide block and the positioning table.

Through adopting above-mentioned technical scheme, when the guide block drives the slider and moves to center block one side, can compress reset spring, to the footboard processing completion back, when the movable mould frame moved to the one side of keeping away from the static mould frame, reset spring can promote the guide block and reset, made the scarf on the guide block keep with the state of drive block terminal surface butt.

Optionally, a plurality of guide posts are fixedly arranged on the static die frame, guide sleeves with the same number as the guide posts are fixedly arranged on the movable die frame, and the guide sleeves are sleeved on the corresponding guide posts and are in sliding connection with the guide posts.

Through adopting above-mentioned technical scheme, the cooperation of guide post and uide bushing leads for the removal of movable mould frame, improves the precision when cutting edge cuts the footboard.

Optionally, a positioning column is fixedly arranged on the static mould frame, a limiting column is fixedly arranged on the movable mould frame, and the axis of the limiting column coincides with that of the positioning column.

Through adopting above-mentioned technical scheme, when the movable mould frame removed to quiet mould frame one side, spacing post can remove to reference column one side, and after spacing post and reference column butt, the movable mould frame can't continue to remove to quiet mould frame one side to fix a position the cutting position of cutting edge, ensure that the cutter can not destroy the non-slip line on clamp plate surface.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pedal is cut by the annular cutting edge, so that waste materials on the periphery of the pedal can be cut off quickly, the work of manually cleaning the waste materials on the pedal is replaced, the labor intensity of workers is reduced, and the processing efficiency of the pedal is improved;

2. the connecting holes in the pedal are machined through the movement of the punch, so that the connecting holes can be machined in the pedal while the edge of the pedal is cut, and the steps for machining the pedal are reduced;

3. the driving block and the guide block are matched with each other to drive the plunger rod to move when the movable die carrier moves to one side of the static die carrier, so that an additional power source is not needed, and the structure is simple and practical.

Drawings

Fig. 1 is a schematic view showing the structure of a step.

Fig. 2 is a schematic view showing the structure of the inner side of the pedal.

Fig. 3 is a schematic view showing the structure of the trimming die in the embodiment of the present application.

Fig. 4 is an exploded view showing a connection relationship between a movable die frame and a stationary die frame in the trimming die.

Fig. 5 is a partial view showing the structure of the dynamic die holder and the cutter.

Fig. 6 is a partial view showing the structure of the stationary mold frame and the positioning table.

FIG. 7 is a sectional view showing the fitting relationship between the cutter and the step plate and the fitting relationship between the positioning table and the step plate.

Fig. 8 is an enlarged view of a portion a in fig. 7.

Description of reference numerals: 1. a movable mould frame; 11. a connecting plate; 12. mounting a plate; 121. a drive block; 13. connecting blocks; 2. a cutter; 21. a blade; 22. caulking grooves; 3. a positioning table; 31. a support block; 32. a first positioning groove; 33. a second positioning groove; 34. a through groove; 35. a center block; 351. a yielding groove; 352. punching; 353. a through hole; 36. mounting grooves; 37. a slider; 371. punching; 38. a guide block; 381. a slide hole; 382. a slide bar; 383. a chamfer plane; 39. a return spring; 4. a static mould frame; 41. a base plate; 42. cushion blocks; 5. a guide post; 51. a guide sleeve; 6. a positioning column; 61. a limiting column; 7. a blanking hole; 8. a pedal; 81. anti-skid lines; 82. a fixing plate; 821. connecting holes; 83. connecting grooves; 84. positioning holes; 85. and (5) reinforcing ribs.

Detailed Description

The present application is described in further detail below with reference to figures 3-8.

The embodiment of the application discloses footboard punching press side cut mould.

Referring to fig. 3 and 4, the trimming die comprises a movable die carrier 1, a cutter 2, a positioning table 3 and a static die carrier 4 which are sequentially arranged from top to bottom, wherein the cutter 2 is fixedly connected to the movable die carrier 1, the positioning table 3 is fixedly connected to the static die carrier 4, the movable die carrier 1 is slidably connected with the static die carrier 4, and the movable die carrier 1 can slide towards one side of the static die carrier 4. The positioning table 3 is used for positioning the pedal 8, the cutter 2 is used for cutting off waste materials around the pedal 8, when the trimming die is used, the pedal 8 is placed on the positioning table 3, the oil press is used for driving the movable die carrier 1 to move towards one side of the static die carrier 4, the cutter 2 also moves towards one side of the positioning table 3 along with the movable die carrier, the cutter 2 is used for cutting off the waste materials around the pedal 8, and therefore the purpose of automatically trimming the pedal 8 is achieved.

Referring to fig. 4, the movable die carrier 1 includes a connecting plate 11, a mounting plate 12 and two connecting blocks 13, the connecting plate 11 and the mounting plate 12 are both rectangular flat plate structures, the connecting plate 11 is parallel to the mounting plate 12, the connecting plate 11 is located above the mounting plate 12, and the two connecting blocks 13 are fixedly connected between the connecting plate 11 and the mounting plate 12, so that a gap is formed between the connecting plate 11 and the mounting plate 12, and the connecting plate 11 is conveniently connected to the oil press.

Referring to fig. 4, the stationary mold frame 4 includes a bottom plate 41 and a plurality of spacers 42, the bottom plate 41 is also a rectangular flat plate, and the bottom plate 41 is parallel to the mounting plate 12; the cushion blocks 42 are also rectangular flat plates, the width of the cushion block 42 is smaller than that of the base plate 41, the cushion blocks 42 are fixedly connected to one side of the base plate 41 away from the mounting plate 12, all the cushion blocks 42 are parallel to each other and distributed at intervals, the cushion blocks 42 are used for being connected with a workbench of an oil press, so that the base plate 41 can be stably supported on the workbench of the oil press, and the number of the cushion blocks 42 is three in the embodiment.

Referring to fig. 4, a plurality of guide posts 5 are fixedly arranged on the end surface of the bottom plate 41 close to the mounting plate 12, the guide posts 5 are of a cylindrical structure, the axes of the guide posts 5 are perpendicular to the bottom plate 41, a plurality of guide sleeves 51 are fixedly arranged on the side wall of the mounting plate 12 close to the bottom plate 41, the number of the guide sleeves 51 is consistent to the number of the guide posts 5, the guide sleeves 51 are sleeved on the guide posts 5 at corresponding positions and are connected with the guide posts 5 in a sliding manner, so that a guiding effect is achieved for the relative displacement of the movable mold frame 1 and the stationary mold frame 4, and the accuracy of the cutter 2 in cutting the pedal 8 is improved. Each guide post 5 is far away from the one end of bottom plate 41 and has all been seted up the chamfer, and the chamfer can reduce the area of guide post 5 tip, makes uide bushing 51 cup joint more easily on the guide post 5.

In this embodiment, the number of the guide posts 5 is four, the four guide posts 5 are respectively located at four end corners of the bottom plate 41, the number of the guide sleeves 51 is also four, and the four guide sleeves 51 are located at positions of the mounting plate 12 corresponding to the four guide posts 5.

In addition, referring to fig. 4, one side of each guide post 5 is provided with a positioning post 6, the positioning post 6 is also a cylinder, one end of the positioning post 6 along the axial direction thereof is fixedly connected with the bottom plate 41, and the length of the positioning post 6 is smaller than that of the guide post 5; the side wall of the mounting plate 12 close to the bottom plate 41 is fixedly provided with a plurality of limiting columns 61, the number of the limiting columns 61 is consistent with that of the positioning columns 6, the limiting columns 61 correspond to the positioning columns 6 in a one-to-one manner, and the axes of the positioning columns 6 at the corresponding positions coincide with the limiting columns 61.

In-process that moves to quiet mould 4 one side at movable mould frame 1, spacing post 61 can with reference column 6 butt, and movable mould frame 1 can't continue to move this moment, and corresponding cutter 2 also can't continue to move to 3 one sides of location platform to fix a position for the cutting position of cutter 2, make cutter 2 can not exert too big pressure to footboard 8, effectively play the guard action to footboard 8.

Referring to fig. 4 and 5, the cutter 2 is fixedly connected to the side of the mounting plate 12 far away from the connecting plate 11, the cutter 2 is rectangular, the side wall of the cutter 2 far away from the mounting plate 12 is fixedly provided with a cutting edge 21, the cutting edge 21 is annular, the outline shape of the cutting edge 21 is consistent with the outline shape of the pedal 8, when the cutter 2 moves towards the side of the positioning table 3, the pedal 8 is embedded into the inner side of the cutting edge 21, and waste materials around the pedal 8 are cut off by the cutting edge 21.

Referring to fig. 5, a caulking groove 22 is formed in a side wall of the cutter 2 away from the mounting plate 12, the caulking groove 22 is located inside the cutting edge 21, the contour shape of the caulking groove 22 is also consistent with the contour shape of the pedal 8, and the depth of the caulking groove 22 is greater than the overall thickness of the pedal 8. In the cutting process of the cutter 2, the pedal 8 can enter the embedded groove 22, after the cutter 2 completely cuts off the waste materials around the pedal 8, the surface of the pedal 8 cannot be in contact with the groove bottom of the embedded groove 22, so that the anti-skid grains 81 on the surface of the pedal 8 can be protected, and the anti-skid grains 81 on the surface of the pedal 8 cannot be damaged.

Referring to fig. 4 and 6, the positioning table 3 is fixedly connected to the side wall of the bottom plate 41 close to the mounting plate 12, a plurality of supporting blocks 31 are fixedly arranged on the side wall of the positioning table 3 far from the bottom plate 41, the supporting blocks 31 are formed by protruding the surface of the positioning table 3 to one side far from the bottom plate 41, the end surface of one side of the supporting blocks 31 far from the positioning table 3 is parallel to the bottom plate 41, the height of the supporting blocks 31 is greater than the depth of the inner side of the pedal 8, and the supporting blocks 31 correspond to the parts of the inner side wall of the pedal 8 where no reinforcing ribs 85 are arranged.

Referring to fig. 6, a first positioning groove 32 and a second positioning groove 33 are formed in a side wall of the positioning table 3 away from the bottom plate 41, the first positioning groove 32 is located at a position of the positioning table 3 corresponding to the pedal 8 and provided with the connecting groove 83, and the second positioning groove 33 is located at a position of the positioning table 3 corresponding to the pedal 8 and provided with the positioning hole 84, so that the position of the pedal 8 provided with the connecting groove 83 can be embedded into the first positioning groove 32, and the position of the pedal 8 provided with the positioning hole 84 can be embedded into the second positioning groove 33. Moreover, the positioning table 3 is further provided with a through groove 34, the through groove 34 is positioned at the position, corresponding to the pedal 8, of the positioning table 3, where the fixing plate 82 protrudes, and the through groove 34 penetrates through the positioning table 3 towards one side of the bottom plate 41; be equipped with the center block 35 in the logical groove 34, seted up two grooves 351 of stepping down on the center block 35, two grooves 351 of stepping down correspond two fixed plate 82 protruding positions on the footboard 8 respectively, make protruding position on the fixed plate 82 can imbed in the groove 351 of stepping down.

After placing footboard 8 on location platform 3, the tip of supporting shoe 31 can butt at the position that footboard 8 inner wall did not be equipped with strengthening rib 85, and the position that connecting groove 83 and locating hole 84 were seted up to footboard 8 simultaneously can inlay respectively in first constant head tank 32 and second constant head tank 33, and protruding position on the fixed plate 82 can inlay in the groove 351 of stepping down that corresponds to fix a position whole footboard 8 on location platform 3, make the stability of footboard 8 on location platform 3 better.

Referring to fig. 6 and 7, the positioning table 3 further has mounting grooves 36 formed on opposite sides of the through groove 34, the mounting grooves 36 are formed by recessing the end surface of the positioning table 3 toward one side of the bottom plate 41, each mounting groove 36 is communicated with the through groove 34, and the mounting grooves 36 extend in a direction away from the through groove 34 and penetrate through the positioning table 3. Each mounting groove 36 is provided with a sliding block 37, and the side wall of the sliding block 37 is abutted against the inner wall of the mounting groove 36, so that the sliding block 37 can slide in the mounting groove 36 in a direction close to or far away from the central block 35.

Referring to fig. 7 and 8, a plunger 371 is fixedly arranged at the end of each slide block 37 close to the central block 35, the plunger 371 is a cylindrical rod, and the diameter of the plunger 371 is consistent with that of the connecting hole 821 on the pedal 8. The side walls of the central block 35 corresponding to the two punches 371 are provided with punched holes 352, and the axes of the punched holes 352 are overlapped with the axes of the punches 371; a through hole 353 is formed in the central block 35 between the two abdicating grooves 351, the axis of the through hole 353 is perpendicular to the bottom plate 41, and the through hole 353 penetrates through the central block 35; each of the punched holes 352 passes through the escape groove 351 and then communicates with the inside of the through hole 353. The axis of the punch 371 coincides with the axis of the punched hole 352, and one end of the punch 371, which is far away from the slider 37, is inserted into the punched hole 352.

Referring to fig. 6, one end of the sliding block 37, which is far away from the center block 35, extends to the outside of the mounting groove 36, one end of the sliding block 37, which is outside the mounting groove 36, is fixedly provided with a guide block 38, the side wall of the guide block 38, which is close to the positioning table 3, is provided with two sliding holes 381, the axis of the sliding hole 381 is parallel to the axis of the punch 371, and the side wall of the positioning table 3, which is close to the guide block 38, is fixedly provided with two sliding rods 382, the two sliding rods 382 correspond to the two sliding holes 381 one to one, one end of the sliding rod 382, which is far away from the positioning table 3, is arranged in the sliding hole 381, so that the guide block 38 can slide on the sliding rod 382, which is close to or far away from the positioning table 3. Each slide bar 382 is sleeved with a return spring 39, one end of the return spring 39 abuts against the positioning table 3, and the other end abuts against the guide block 38.

Referring to fig. 3 and 6, the end of the guide block 38 away from the slider 37 is provided with a chamfered surface 383, and the chamfered surface 383 gradually inclines toward the center block 35 as approaching the mounting plate 12. Two driving blocks 121 are fixedly arranged on the side wall of the mounting plate 12 close to the bottom plate 41, the two driving blocks 121 correspond to the two guide blocks 38 one by one, and the end surface of the driving block 121 far away from the mounting plate 12 abuts against the oblique cutting surface 383 and coincides with the oblique cutting surface 383.

As shown in fig. 8, when the movable mold frame 1 moves toward the stationary mold frame 4, the end surface of the driving block 121 applies pressure to the chamfered surface 383 of the guide block 38, and under the action of the chamfered surface 383, the driving block 121 pushes the guide block 38 to move toward the center block 35, so as to drive the slider 37 to move toward the center block 35, at this time, the plunger 371 passes through the punch 352 and then extends into the through hole 353, and the plunger 371 passes through the abdicating groove 351, so as to penetrate through the fixing plate 82 located in the abdicating groove 351, thereby forming the connecting hole 821 on the fixing plate 82. On the contrary, when the movable die carrier 1 moves in the direction away from the stationary die carrier 4, the return spring 39 pushes the guide block 38 to move to the side away from the center block 35, so that the guide block 38 automatically returns, and the chamfered surface 383 on the guide block 38 is kept in a state of abutting against the end surface of the driving block 121.

Referring to fig. 7, in order to prevent the waste material punched by the punch 371 on the fixing plate 82 of the pedal 8 from being accumulated in the through hole 353 for a long time, the bottom plate 41 and the spacer 42 located on the side of the bottom plate 41 away from the center block 35 are both provided with the blanking hole 7, and the axis of the blanking hole 7 coincides with the axis of the through hole 353 and is communicated with the through hole 353, so that the waste material punched by the punch 371 can be discharged from the through hole 353 through the blanking hole 7.

The implementation principle of this application embodiment a footboard punching press side cut mould does: after the pedal 8 is die-cast and formed, the pedal 8 with waste materials is buckled on the supporting block 31 to position the pedal 8, then the oil press is used for driving the movable die carrier 1 and the cutter 2 to move towards one side of the pedal 8, and the cutting edge 21 on the cutter 2 is used for cutting off the waste materials on the periphery of the pedal 8 so as to replace the work of manually cleaning the waste materials on the pedal 8 and improve the trimming quality of the pedal 8. Meanwhile, through the matching of the driving block 121 and the guide block 38, the punch 371 is driven to punch a connecting hole 821 on the fixing plate 82 of the pedal 8, so that the processing steps of the pedal 8 are reduced, and the processing efficiency of the pedal 8 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a footboard punching press side cut mould, is including movable mould frame (1), cutter (2), location platform (3) and quiet die carrier (4) that from top to bottom set gradually, movable mould frame (1) sliding connection is on quiet die carrier (4), cutter (2) and movable mould frame (1) fixed connection, location platform (3) and quiet die carrier (4) fixed connection, its characterized in that: a cutting edge (21) is fixedly arranged on the side wall, close to the positioning table (3), of the cutter (2), and the cutting edge (21) is annular and is consistent with the outline of the pedal (8); a caulking groove (22) is formed in the inner sides of the cutter (2) and the cutting edge (21), the outline shape of the caulking groove (22) is consistent with that of the pedal (8), and the depth of the caulking groove (22) is larger than the whole thickness of the pedal (8);

a plurality of supporting blocks (31) are fixedly arranged on the positioning table (3), and the supporting blocks (31) are positioned at the positions, corresponding to the pedal (8), of the positioning table (3) where the reinforcing ribs (85) are not arranged; the positioning table (3) is provided with a first positioning groove (32) and a second positioning groove (33), the part of the pedal (8) provided with the connecting groove (83) can be embedded into the first positioning groove (32), and the part of the pedal (8) provided with the positioning hole (84) can be embedded into the second positioning groove (33).

2. The pedal stamping and trimming die of claim 1, wherein: center block (35) have set firmly on location platform (3), set up groove of stepping down (351) on center block (35), groove of stepping down (351) are located location platform (3) and correspond the bellied position of footboard (8) upper fixed plate (82).

3. The pedal stamping and trimming die of claim 2, wherein: a sliding block (37) is connected to one side of the positioning table (3) on the central block (35) in a sliding mode, and a plunger (371) is fixedly arranged at the end portion, close to the central block (35), of the sliding block (37); through-hole (353) and punch a hole (352) have been seted up on piece (35) in the heart, through-hole (353) are located punch a hole (352) and keep away from one side of slider (37), punch a hole (352) run through and give way groove (351) and extend to and communicate with through-hole (353), jumper bar (371) wear to establish in punching a hole (352) and center piece (35) sliding connection.

4. The pedal stamping and trimming die of claim 3, wherein: one end, far away from the punch rod (371), of the sliding block (37) extends to the outer side of the mounting groove (36) and is connected with a guide block (38), a beveled surface (383) is formed in the guide block (38), and the beveled surface (383) gradually inclines to one side of the center block (35) along with approaching to the cutter (2); a driving block (121) is fixedly arranged on the movable die carrier (1), and the end face of one side, away from the movable die carrier (1), of the driving block (121) abuts against the inclined tangent plane (383) of the guide block (38) and coincides with the inclined tangent plane (383).

5. The pedal stamping and trimming die of claim 3, wherein: and the static die frame (4) is provided with a blanking hole (7), and the blanking hole (7) is communicated with the through hole (353).

6. The pedal stamping and trimming die of claim 4, wherein: and a return spring (39) is arranged between the guide block (38) and the positioning table (3).

7. The pedal stamping and trimming die according to any one of claims 1 to 6, wherein: the guide device is characterized in that a plurality of guide columns (5) are fixedly arranged on the static mold frame (4), guide sleeves (51) with the same number as the guide columns (5) are fixedly arranged on the movable mold frame (1), and the guide sleeves (51) are sleeved on the corresponding guide columns (5) and are in sliding connection with the guide columns (5).

8. The pedal stamping and trimming die according to any one of claims 1 to 6, wherein: the fixed die frame (4) is fixedly provided with a positioning column (6), the movable die frame (1) is fixedly provided with a limiting column (61), and the axis of the limiting column (61) coincides with that of the positioning column (6).