CN114985578A

CN114985578A - Automobile plate stamping die convenient for waste collection and use method

Info

Publication number: CN114985578A
Application number: CN202210616498.9A
Authority: CN
Inventors: 朱茵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-02

Abstract

The invention relates to an automobile plate stamping die convenient for collecting waste materials, which comprises a workbench, wherein four reset springs which are distributed diagonally are fixedly connected to the top of the workbench, the tops of the reset springs are fixedly connected with a stamping seat, the top of the stamping seat is provided with a feed inlet, the inner wall of the rear end of the feed inlet penetrates through and is rotatably connected with a shaft lever, the front end of the shaft lever is fixedly connected with a discharge plate, the top of the discharge plate is provided with a stamping opening, a movable cavity is formed in the stamping seat and is communicated with the feed inlet, one side of the stamping seat is provided with a discharge opening, the discharge opening is communicated with the movable cavity, the rear end of the shaft lever is sleeved and fixed with a first connecting rod, the bottom of the first connecting rod is rotatably connected with a push rod, the rear end of the top of the workbench is provided with an embedded groove, the inner wall of the bottom of the embedded groove is fixedly connected with a first spring, and the top of the first spring is fixedly connected with the bottom of the push rod; after the punching is finished, the first spring drives the discharging plate to rotate, and then the waste materials can be discharged and collected from the discharging opening.

Description

Automobile plate stamping die convenient for waste collection and use method

Technical Field

The invention relates to the technical field of stamping processing, in particular to an automobile plate stamping die capable of conveniently collecting waste materials.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

Automobile panel is often needing to carry out stamping work to its top at the in-process that carries out the processing, and just need use stamping die at the in-process that carries out the punching press, and stamping die on the existing market is carrying out the in-process that uses, is not convenient for take out the waste material after the punching press and collects, needs the manual work to take out, so provides the convenient automobile panel stamping die who solves the above-mentioned problem of proposing to garbage collection.

In order to solve the problems, the invention provides an automobile plate stamping die convenient for waste collection.

Disclosure of Invention

The invention aims to overcome the problem that the existing stamping die is inconvenient to take out and collect waste materials, and provides an automobile plate stamping die convenient for collecting the waste materials so as to solve the technical problem.

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

an automobile plate stamping die convenient for collecting waste materials comprises a workbench, wherein four reset springs are fixedly connected to the top of the workbench and are distributed diagonally, the tops of the reset springs are fixedly connected with a stamping seat, a feed inlet is formed in the top of the stamping seat, the inner wall of the rear end of the feed inlet penetrates through and is rotatably connected with a shaft lever, a discharge plate is fixedly connected to the front end of the shaft lever, two sides of the discharge plate are arranged in an L-shaped structure, the stamping seat and the L-shaped structure on the two sides of the discharge plate are mutually clamped, a stamping opening is formed in the top of the discharge plate, a movable cavity is formed in the stamping seat and is communicated with the feed inlet, a discharge opening is formed in one side of the stamping seat, the discharge opening is communicated with the movable cavity, the inner wall of the bottom of the movable cavity inclines downwards towards one side of the discharge opening, a first connecting rod is sleeved on the rear end of the shaft lever, a push rod is rotatably connected with the bottom of the first connecting rod, and an embedding groove is formed in the rear end of the top of the workbench, the bottom inner wall of the embedded groove bottom is fixedly connected with a first spring, the top of the first spring is fixedly connected with the bottom of the ejector rod, a stamping mechanism is arranged on the workbench, and a stamping seat is connected with a material receiving mechanism.

Preferably, the receiving mechanism comprises a receiving plate, one side, close to the discharge port, of the outer wall at the two ends of the stamping seat is rotatably connected with second connecting rods, the receiving plate is rotatably connected between the two second connecting rods, and one side, far away from the discharge port, of the receiving plate is arranged in an L-shaped structure.

Preferably, punching press mechanism includes the punching press head, and workstation top fixedly connected with four guide arms that are the diagonal distribution, the same roof-rack of top fixedly connected with of a plurality of guide arms, roof-rack bottom fixedly connected with pneumatic cylinder, pneumatic cylinder output shaft have the clamp plate, punching press head fixed connection is in the bottom of clamp plate, and the punching press head sets up directly over the punching press mouth.

Preferably, four openings which are distributed diagonally are formed in the top of the pressure plate, and the guide rods are inserted into the corresponding openings.

Preferably, the inner wall of the front end of the embedded groove is provided with a limiting groove, a limiting block is connected in the limiting groove in a sliding manner, and the limiting block is fixedly connected with the ejector rod.

Preferably, first blanking mouth has been seted up to activity chamber bottom inner wall, and the second blanking mouth has been seted up at the workstation top, and workstation bottom fixedly connected with discharge passage, discharge passage incline downwards towards one side of discharge mouth, and discharge passage sets up in the below of second blanking mouth, and first blanking mouth, second blanking mouth and punching press mouth are located same vertical line.

Preferably, a guide groove is formed in one side, away from the discharge opening, of the top of the workbench, a guide block is connected to the side, away from the discharge opening, of the top of the guide table in a sliding mode, a positioning plate is fixedly connected to the top of the guide block, the cross section of the positioning plate is set to be L-shaped, an adjusting screw rod is connected to the guide groove in a rotating mode, the adjusting screw rod is connected with the guide block in a threaded mode, one side, away from the discharge opening, of the adjusting screw rod penetrates through the workbench and is fixedly connected with a gear, and the gear is connected with a transmission mechanism.

Preferably, the transmission mechanism comprises a rack, the rack is fixedly connected to one side of the pressure plate far away from the discharge opening, and the rack is in meshed connection with the gear.

Preferably, one side of the positioning plate close to the discharge opening is provided with a guide part, and the cross section of the guide part is arc-shaped.

Has the advantages that:

1. the automobile plate to be punched is placed on a discharging plate, then a hydraulic cylinder is started, an output shaft of the hydraulic cylinder moves downwards slowly, then a synchronous pressing plate and a punching head are synchronized, the punching head moves downwards, after pressing the automobile plate, the whole punching seat is stressed and starts to move downwards, a reset spring is extruded, after the reset spring is extruded to the limit, the punching head starts to punch the plate, the punched raw material falls into a movable cavity through a punching opening, and then continuously slides onto a material receiving plate along the inclined bottom inner wall of the movable cavity, meanwhile, when the whole punching seat moves downwards, a shaft lever and a first connecting rod are synchronously driven to move downwards, then a push rod is driven to move into an embedded groove, the push rod extrudes the first spring, after punching, the output shaft of the hydraulic cylinder is controlled to move quickly in a resetting way, and the pressure on the waste plate is relieved, at this moment, under the reverse elasticity effect of first spring for ejector pin rebound makes first connecting rod, axostylus axostyle and row flitch take place to rotate to one side of bin outlet then, and the feed inlet is opened, and waste material panel can be along the row flitch landing of slope to the activity intracavity, then along the bottom inner wall that the activity chamber slopes continue the landing to connect the flitch on, thereby realize the collection to the waste material.

2. Be provided with discharge channel, after the punching press was accomplished, the punching press was accomplished the raw materials after through the punching press mouth in the first blanking mouth falls, then from first blanking mouth in falling the second blanking mouth, again from the second blanking mouth in falling discharge channel, then along discharge channel landing to realize the independent collection of waste material and raw materials, avoid mixing.

3. The automatic stamping device is provided with a positioning plate, when the pressing plate moves downwards, a synchronous moving rack moves downwards, a rack meshing drives a gear to rotate, the gear synchronously drives an adjusting screw to rotate, under the action of threads, a guide block is enabled to move along a guide groove in the direction close to a stamping seat, then the positioning plate is synchronously driven to move, the stamping seat is in a downwards moving state at the moment, until the inner wall of the top of the positioning plate is flush with the top of the stamping seat, the stamping seat reaches the lowest position, a reset spring is in a limit state, the rack and the gear are just disengaged at the moment, the position of the automobile plate can be corrected through the positioning plate, the initial position of the automobile plate is the same when the automobile plate is stamped on a discharging plate at each time, the automobile plate is precisely positioned, and the stamping precision is guaranteed.

Drawings

FIG. 1 is a schematic view of a first angular configuration of an automotive sheet stamping die of the present invention that facilitates scrap collection;

FIG. 2 is a schematic diagram of a second angular configuration of an automotive sheet stamping die for facilitating scrap collection in accordance with the present invention;

FIG. 3 is a schematic view of an internal structure of a stamping seat of an automobile plate stamping die for conveniently collecting waste materials according to the present invention;

FIG. 4 is a schematic cross-sectional view of a workbench of an automobile plate stamping die for conveniently collecting waste materials according to the present invention;

FIG. 5 is an enlarged schematic view of the stamping die for automobile plates, which is convenient for collecting waste materials, at the position A;

FIG. 6 is a schematic view of a third angle structure of the automobile plate stamping die for conveniently collecting waste materials according to the present invention;

fig. 7 is a schematic structural view of a positioning plate of an automobile plate stamping die convenient for collecting waste materials according to the present invention.

The reference numbers are as follows:

1. a work table; 2. a guide bar; 3. pressing a plate; 4. a return spring; 5. punching a seat; 6. a feed inlet; 7. a discharge plate; 8. a shaft lever; 9. punching a hole; 10. a first link; 11. a top rod; 12. a groove is embedded; 13. a first spring; 14. a limiting groove; 15. a limiting block; 16. a movable cavity; 17. a discharge outlet; 18. a first blanking port; 19. a top frame; 20. a hydraulic cylinder; 21. punching a head; 22. a material receiving plate; 23. a second link; 24. a second blanking port; 25. a discharge channel; 26. a guide groove; 27. a guide block; 28. positioning a plate; 29. adjusting the screw rod; 30. a gear; 31. a rack; 32. a guide portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The invention will be further illustrated with reference to the following figures 1 to 7 and examples:

in the embodiment, as shown in fig. 1-6, an automobile plate stamping die convenient for collecting waste materials comprises a workbench 1, four reset springs 4 which are diagonally distributed are fixedly connected to the top of the workbench 1, the top of each reset spring 4 is fixedly connected with the same stamping seat 5, a feed inlet 6 is formed in the top of each stamping seat 5, a shaft rod 8 is connected to the inner wall of the rear end of each feed inlet 6 in a penetrating manner and in a rotating manner, a discharge plate 7 is fixedly connected to the front end of each shaft rod 8, two sides of each discharge plate 7 are arranged in an L-shaped structure, the stamping seats 5 and the L-shaped structures on two sides of each discharge plate 7 are mutually clamped, a stamping opening 9 is formed in the top of each discharge plate 7, a movable cavity 16 is formed in each stamping seat 5, the movable cavity 16 is communicated with the feed inlet 6, a discharge opening 17 is formed in one side of each stamping seat 5, the discharge opening 17 is communicated with the movable cavity 16, the inner wall of the bottom of each movable cavity 16 inclines downwards towards one side of the discharge opening 17, the 8 rear end covers of axostylus axostyle are established and are fixed with first connecting rod 10, and first connecting rod 10 bottom is rotated and is connected with ejector pin 11, and embedded groove 12 has been seted up to 1 top rear end of workstation, and embedded groove 12 bottom inner wall fixedly connected with has first spring 13, and the bottom fixed connection of first spring 13 top and ejector pin 11 is provided with punching press mechanism on the workstation 1, and punching press seat 5 is connected with receiving mechanism.

Further, receiving mechanism is including

connecing flitch

22, and 5 both ends outer walls of punching press seat all rotate one side that is close to bin outlet 17 and be connected with second connecting rod 23, connects flitch 22 to rotate and connects between two second connecting rods 23, connects the flitch 22 to keep away from one side of bin outlet 17 and sets up for L shape structure, can accept waste material panel.

Further, punching press mechanism includes punching

press head

21, and 1 top fixedly connected with of workstation four guide arms 2 that are diagonal distribution, the same roof-rack 19 of the top fixedly connected with of a plurality of guide arms 2, roof-rack 19 bottom fixedly connected with pneumatic cylinder 20, pneumatic cylinder 20 output shaft have clamp plate 3, punching press head 21 fixed connection in the bottom of clamp plate 3, punching press head 21 sets up directly over punching press mouth 9, can carry out the punching press to automobile plates.

Furthermore, four openings which are distributed diagonally are formed in the top of the pressing plate 3, and the guide rods 2 are inserted into the corresponding openings, so that the stability of the moving process of the pressing plate 3 can be improved, and the stamping precision of the stamping head 21 is improved.

Further, the inner wall of the front end of the embedded groove 12 is provided with a limiting groove 14, a limiting block 15 is connected in the limiting groove 14 in a sliding mode, the limiting block 15 is fixedly connected with the ejector rod 11, and the ejector rod 11 can be limited to move.

Further, first blanking mouth 18 has been seted up to the 16 bottom inner walls in activity chamber, and second blanking mouth 24 has been seted up at 1 top of workstation, and 1 bottom fixedly connected with discharge passageway 25 of workstation, discharge passageway 25 is downward towards the lopsidedness of bin outlet 17, and discharge passageway 25 sets up in the below of second blanking mouth 24, and first blanking mouth 18, second blanking mouth 24 and punching press mouth 9 are located same vertical line, can realize the categorised collection of waste material panel and raw materials.

In this embodiment, referring to fig. 1 and 7, guide way 26 has been seted up to one side of bin outlet 17 is kept away from at workstation 1 top, sliding connection has guide block 27 in guide way 26, guide block 27 top fixedly connected with locating plate 28, the L shape is set to the locating plate 28 cross-section, the internal rotation of guide way 26 is connected with adjusting screw 29, adjusting screw 29 and guide block 27 threaded connection, workstation 1 and fixedly connected with gear 30 are run through to one side that adjusting screw 29 kept away from bin outlet 17, gear 30 is connected with drive mechanism, can make locating plate 28 can be along guide way 26 round trip movement, fix a position automobile plate.

Further, the transmission mechanism comprises a rack 31, the rack 31 is fixedly connected to one side, far away from the discharge opening 17, of the pressure plate 3, and the rack 31 is meshed with the gear 30, so that the gear 30 can be driven to rotate through the rack 31.

Further, a guiding portion 32 is disposed on a side of the positioning plate 28 close to the discharge opening 17, and the guiding portion 32 is configured to have an arc-shaped cross section, so that the positioning plate 28 can be moved to above the stamping seat 5 conveniently.

The automobile sheet to be punched is placed on the discharging plate 7, then the hydraulic cylinder 20 is started, the output shaft of the hydraulic cylinder 20 slowly moves downwards, then the pressing plate 3 and the punching head 21 are synchronously pressed, the punching head 21 presses the automobile sheet, the whole punching seat 5 is stressed and starts to move downwards, the reset spring 4 is extruded, when the reset spring 4 is extruded to the limit, the punching head 21 starts to punch the sheet, the punched raw material falls into the movable cavity 16 through the punching opening 9, then continuously slides onto the receiving plate 22 along the inclined bottom inner wall of the movable cavity 16, meanwhile, when the whole punching seat 5 moves downwards, the shaft rod 8 and the first connecting rod 10 are synchronously driven to move downwards, then the ejector rod 11 is driven to move into the embedded groove 12, the ejector rod 11 extrudes the first spring 13, and after punching, the output shaft of the hydraulic cylinder 20 is controlled to rapidly reset and move, pressure that waste material panel received is relieved, this moment under the reverse elasticity effect of first spring 13 for ejector pin 11 rebound makes first connecting rod 10, axostylus axostyle 8 and row flitch 7 take place to rotate to one side of bin outlet 17, and feed inlet 6 is opened, and waste material panel can be along the row flitch 7 landing of slope to activity chamber 16 in, continues the landing to connect on flitch 22 along the bottom inner wall that activity chamber 16 slopes then, thereby realizes the collection to the waste material.

Further, be provided with discharge channel 25, after the punching press was accomplished, the raw materials after the punching press was accomplished passes through punching press mouth 9 and falls in first blanking mouth 18, then in falling second blanking mouth 24 from first blanking mouth 18, again from second blanking mouth 24 in falling discharge channel 25, then in the same direction as discharge channel 25 landing to realize the independent collection of waste material and raw materials, avoid mixing.

Furthermore, a positioning plate 28 is provided, when the pressing plate 3 moves downwards, the synchronous driving rack 31 moves downwards, the rack 31 is meshed with the driving gear 30 to rotate, the gear 30 synchronously drives the adjusting screw 29 to rotate, under the action of the screw thread, the guide block 27 moves along the guide groove 26 in the direction close to the punching seat 5, and then the positioning plate 28 is synchronously driven to move, at this time, the punching seat 5 is in a downward moving state, until the top inner wall of the positioning plate 28 is flush with the top of the punching seat 5, the stamping seat 5 reaches the lowest position, the return spring 4 is in the limit state, at the moment, the rack 31 and the gear 30 are just disengaged, can correct the position of automobile panel through locating plate 28 for automobile panel is the same at initial position when carrying out the punching press on row flitch 7 at every turn, thereby carries out accurate location to automobile panel, thereby guarantees the punching press precision.

The working principle is as follows: when the automobile stamping device is used, an automobile plate to be stamped is placed on the discharging plate 7, the hydraulic cylinder 20 is started, the output shaft of the hydraulic cylinder 20 slowly moves downwards, the pressing plate 3 and the stamping head 21 are synchronized to move downwards, after the stamping head 21 presses the automobile plate, the whole stamping seat 5 is stressed and starts to move downwards, the reset spring 4 is extruded, after the reset spring 4 is extruded to the limit, the stamping head 21 starts to stamp the plate, the stamped raw material falls into the movable cavity 16 through the stamping opening 9, then continuously slides down to the material receiving plate 22 along the inclined bottom inner wall of the movable cavity 16, meanwhile, when the whole stamping seat 5 moves downwards, the shaft rod 8 and the first connecting rod 10 are synchronously driven to move downwards, then the ejector rod 11 is driven to move into the embedding groove 12, the ejector rod 11 extrudes the first spring 13, and after stamping, the quick reset movement of the output shaft of the hydraulic cylinder 20 is controlled, the pressure on the waste material plate is relieved, at the moment, under the reverse elasticity action of the first spring 13, the ejector rod 11 moves upwards, the first connecting rod 10, the shaft rod 8 and the discharge plate 7 rotate towards one side of the discharge opening 17, the feed opening 6 is opened, the waste material plate can slide down into the movable cavity 16 along the inclined discharge plate 7, and then continuously slide down onto the material receiving plate 22 along the inclined bottom inner wall of the movable cavity 16, so that the waste material is collected; furthermore, a discharge channel 25 is arranged, after punching is completed, the punched raw material falls into the first blanking port 18 through the punching port 9, then falls into the second blanking port 24 from the first blanking port 18, then falls into the discharge channel 25 from the second blanking port 24, and then slides along the discharge channel 25, so that independent collection of waste materials and raw materials is realized, and mixing is avoided; furthermore, a positioning plate 28 is provided, when the pressing plate 3 moves downwards, the synchronous driving rack 31 moves downwards, the rack 31 is meshed with the driving gear 30 to rotate, the gear 30 synchronously drives the adjusting screw 29 to rotate, under the action of the screw thread, the guide block 27 moves along the guide groove 26 in the direction close to the punching seat 5, and then the positioning plate 28 is synchronously driven to move, at this time, the punching seat 5 is in a downward moving state, until the top inner wall of the positioning plate 28 is flush with the top of the punching seat 5, the stamping seat 5 reaches the lowest position, the return spring 4 is in the limit state, at the moment, the rack 31 and the gear 30 are just disengaged, can correct the position of automobile panel through locating plate 28 for automobile panel is the same at initial position when carrying out the punching press on row flitch 7 at every turn, thereby carries out accurate location to automobile panel, thereby guarantees the punching press precision.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. The utility model provides a convenient automobile plate stamping die to garbage collection, comprises a workbench (1), a serial communication port, workstation (1) top fixedly connected with four reset spring (4) that are diagonal distribution, the same punching press seat (5) of top fixedly connected with of a plurality of reset spring (4), feed inlet (6) have been seted up at punching press seat (5) top, feed inlet (6) rear end inner wall runs through and the swivelling joint has axostylus axostyle (8), axostylus axostyle (8) front end fixedly connected with arranges flitch (7), the both sides of arranging flitch (7) are the setting of L shape structure, punching press seat (5) and the mutual block of L shape structure of arranging flitch (7) both sides, punching press mouth (9) have been seted up at flitch (7) top, movable chamber (16) have been seted up in punching press seat (5), movable chamber (16) and feed inlet (6) communicate with each other, bin outlet (17) have been seted up to one side of punching press seat (5), discharge gate (17) and activity chamber (16) communicate with each other, the bottom inner wall of activity chamber (16) is downward towards the lopsidedness of discharge gate (17), axostylus axostyle (8) rear end cover is established and is fixed with first connecting rod (10), first connecting rod (10) bottom is rotated and is connected with ejector pin (11), embedded groove (12) have been seted up to workstation (1) top rear end, embedded groove (12) bottom inner wall fixedly connected with first spring (13), the bottom fixed connection of first spring (13) top and ejector pin (11), be provided with punching press mechanism on workstation (1), punching press seat (5) are connected with receiving mechanism.

2. An automobile plate stamping die facilitating waste collection according to claim 1, wherein: the receiving mechanism comprises a receiving plate (22), one side, close to the discharge hole (17), of the outer walls of the two ends of the stamping seat (5) is connected with second connecting rods (23) in a rotating mode, the receiving plate (22) is connected between the two second connecting rods (23) in a rotating mode, and one side, far away from the discharge hole (17), of the receiving plate (22) is arranged in an L-shaped structure.

3. The automotive sheet material stamping die facilitating scrap collection according to claim 1, wherein: the punching press mechanism comprises punching press heads (21), four guide rods (2) which are distributed diagonally are fixedly connected to the top of the workbench (1), the same top frame (19) is fixedly connected to the tops of the guide rods (2), a hydraulic cylinder (20) is fixedly connected to the bottom of the top frame (19), a pressing plate (3) is connected to an output shaft of the hydraulic cylinder (20), the punching press heads (21) are fixedly connected to the bottom of the pressing plate (3), and the punching press heads (21) are arranged right above a punching press opening (9).

4. An automobile plate stamping die facilitating scrap collection according to claim 3, wherein: four openings which are distributed diagonally are formed in the top of the pressing plate (3), and the guide rods (2) are inserted into the corresponding openings.

5. An automobile plate stamping die facilitating waste collection according to claim 1, wherein: limiting grooves (14) are formed in the inner wall of the front end of the embedded groove (12), limiting blocks (15) are connected in the limiting grooves (14) in a sliding mode, and the limiting blocks (15) are fixedly connected with the ejector rod (11).

6. The automotive sheet material stamping die facilitating scrap collection according to claim 1, wherein: first blanking mouth (18) have been seted up to activity chamber (16) bottom inner wall, second blanking mouth (24) have been seted up at workstation (1) top, workstation (1) bottom fixedly connected with discharge material passageway (25), discharge material passageway (25) are downward towards the one side slope of bin outlet (17), and discharge material passageway (25) set up in the below of second blanking mouth (24), and first blanking mouth (18), second blanking mouth (24) and punching press mouth (9) are located same vertical line.

7. An automobile plate stamping die facilitating scrap collection according to claim 3, wherein: guide way (26) have been seted up to one side that bin outlet (17) was kept away from at workstation (1) top, sliding connection has guide block (27) in guide way (26), guide block (27) top fixedly connected with locating plate (28), L shape is set to in locating plate (28) cross-section, guide way (26) internal rotation is connected with adjusting screw (29), adjusting screw (29) and guide block (27) threaded connection, one side that bin outlet (17) were kept away from in adjusting screw (29) runs through workstation (1) and fixedly connected with gear (30), gear (30) are connected with drive mechanism.

8. The automotive sheet metal stamping die facilitating scrap collection according to claim 7, wherein: the transmission mechanism comprises a rack (31), the rack (31) is fixedly connected to one side, far away from the discharge opening (17), of the pressure plate (3), and the rack (31) is meshed with the gear (30).

9. The automotive sheet metal stamping die facilitating scrap collection according to claim 7, wherein: one side of the positioning plate (28) close to the discharge opening (17) is provided with a guide part (32), and the cross section of the guide part (32) is arc-shaped.

10. A method of using an automotive sheet metal stamping die for facilitating scrap collection in accordance with any one of claims 1 to 9, comprising: placing an automobile plate to be punched on a discharging plate (7), starting a hydraulic cylinder (20), enabling an output shaft of the hydraulic cylinder (20) to slowly move downwards, then synchronously pressing a press plate (3) and a press head (21) to move downwards, after the press head (21) presses the automobile plate, enabling the whole of the press seat (5) to bear force and start to move downwards, extruding a reset spring (4), when the reset spring (4) extrudes to the limit, pressing the plate by the press head (21), enabling the punched raw material to fall into a movable cavity (16) through a press opening (9), then continuously sliding down to a material receiving plate (22) along the inclined bottom inner wall of the movable cavity (16), meanwhile, synchronously driving a shaft lever (8), a first connecting rod (10) to move downwards when the whole of the press seat (5) moves downwards, and then driving a push rod (11) to move into an embedded groove (12), the ejection rod (11) extrudes the first spring (13), after punching is completed, the output shaft of the hydraulic cylinder (20) is controlled to rapidly reset and move, pressure on the waste plate is relieved, at the moment, under the action of reverse elasticity of the first spring (13), the ejection rod (11) moves upwards, then the first connecting rod (10), the shaft rod (8) and the discharge plate (7) rotate towards one side of the discharge opening (17), the feed opening (6) is opened, the waste plate can slide into the movable cavity (16) along the inclined discharge plate (7), and then continuously slides onto the material receiving plate (22) along the inclined bottom inner wall of the movable cavity (16), so that waste material is collected; furthermore, a discharge channel (25) is arranged, after punching is completed, the punched raw material falls into the first blanking port (18) through the punching port (9), then falls into the second blanking port (24) from the first blanking port (18), then falls into the discharge channel (25) from the second blanking port (24), and then slides along the discharge channel (25), so that independent collection of waste materials and raw materials is realized, and mixing is avoided; furthermore, a positioning plate (28) is arranged, when the pressing plate (3) moves downwards, the rack (31) is synchronously moved downwards, the rack (31) is meshed with the driving gear (30) to rotate, the gear (30) synchronously drives the adjusting screw rod (29) to rotate, under the action of threads, the guide block (27) moves along the guide groove (26) along the direction close to the punching seat (5), then the positioning plate (28) is synchronously driven to move, the punching seat (5) is in a downward moving state at the moment, until the inner wall of the top of the positioning plate (28) is flush with the top of the punching seat (5), the punching seat (5) reaches the lowest position, the reset spring (4) is in a limit state, the rack (31) is just disengaged from the gear (30), the position of the automobile can be corrected through the positioning plate (28), so that the initial position of the automobile plate is the same when the automobile plate is punched on the discharging plate (7) at each time, thereby carry out accurate location to car panel to guarantee the punching press precision.