Punching die for manufacturing automobile parts

Abstract

The utility model relates to the field of punching dies, in particular to a punching die for manufacturing automobile parts, which comprises a workbench. The stamping device comprises a workbench, and further comprises a lower die, a T-shaped sliding block, four supporting pull rods, an upper die, a stamping die plate, a mounting plate, a reset spring, a connecting plate, a limiting hole, a pressure-bearing head and a second stamping head, a first limiting groove is formed in the top of the workbench, the lower die is arranged in the first limiting groove, and the four supporting pull rods are symmetrically installed at the corners of the upper side of the lower die; the top of the supporting pull rod is connected with an upper mold, and a second limiting groove is formed in the top of the upper mold. According to the punching die, the multiple sets of replaceable second punching heads are arranged, different punching heads can be replaced in advance according to the punching size of an accessory, and the problems that a common punching die cannot be adjusted according to the punching size of the accessory, when hole grooves of different sizes need to be punched in the accessory, the punching heads need to be replaced in the punching process, and the punching cost is high are solved. And therefore, the practicability and the processing efficiency are reduced.

Description

Technical Field

[0001] The utility model relates to the field of punching dies, in particular to a punching die for manufacturing auto parts. Background Art

[0002] A punching die mainly utilizes the inertia force of a punching press to stamp a material through the die, thereby forming required holes in the material.

[0003] Common punching dies usually can only process holes and grooves of a fixed size, can perform punching processing on fittings, but lack replaceable stamping components and cannot be adjusted according to the punching size of the fittings. When it is necessary to punch holes and grooves of different sizes on the fittings, the punching head needs to be replaced during the stamping process, thus reducing the practicality and processing efficiency.

[0004] Therefore, aiming at the problem that the above-mentioned punching die lacks replaceable stamping components and cannot be adjusted according to the punching size of the fittings, a punching die for manufacturing auto parts can be designed. By disassembling the mounting plate in advance, different punching heads can be replaced according to the size of the hole and groove, thus avoiding the replacement of the punching head during the punching process and improving the processing efficiency and practicality. Summary of the Utility Model

[0005] In order to overcome the problems of common punching dies that lack replaceable stamping components and cannot be adjusted according to the punching size of the fittings. When it is necessary to punch holes and grooves of different sizes on the fittings, the punching head needs to be replaced during the stamping process, thus reducing the practicality and processing efficiency.

[0006] The technical solution of the utility model is as follows: A punching die for manufacturing auto parts includes a workbench; it also includes a lower die, a T-shaped slider, a support pull rod, an upper die, a stamping template, a mounting plate, a return spring, a connecting plate, a limit hole, a bearing head, and a second punching head. A first limit groove is opened at the top of the workbench, the lower die is arranged inside the first limit groove, four support pull rods are symmetrically installed at the upper side corners of the lower die, the top of the support pull rod is connected to the upper die, a second limit groove is opened at the top of the upper die, the stamping template is arranged inside the second limit groove, the mounting plates arranged in equal spacing are arranged inside the stamping template, two return springs are symmetrically connected to the top of the mounting plate, the connecting plate is arranged at the top of the return spring, limit holes are symmetrically opened at the tops of the mounting plate and the connecting plate, the bearing head is arranged at the top of the connecting plate corresponding to the position of the limit hole, the second punching head is arranged at the bottom of the upper die corresponding to the position of the bearing head, and the lower end of the bearing head passes through the limit hole and the upper die and is connected to the second punching head.

[0007] Preferably, the pressure head can be pressed by the first punch. When the pressure head is subjected to the pressure from the upper end, it will drive the connecting plate to move downward. The movement of the connecting plate will compress the return spring downward, so that the pressure head will drive the second punch at the bottom of the upper die to move downward synchronously, so as to punch the parts in the lower die through the second punch. And when different sizes of holes and grooves need to be processed for the parts, only the mounting plate needs to be disassembled in advance, and then different second punches can be replaced according to the size of the holes and grooves, avoiding the replacement of the punch during the punching process, and improving the processing efficiency and practicability.

[0008] Preferably, a waste slot is provided at the rear side of the workbench. A sealing plate is installed at the rear side of the waste slot, and a push plate is arranged inside the waste slot. An electric telescopic rod is installed at the rear side of the sealing plate. The front end of the electric telescopic rod passes through the sealing plate and is connected to the push plate. The electric telescopic rod can be used to drive the push plate to move back and forth. The movement of the push plate will push the waste in the waste slot forward, so that the waste enters the collection box.

[0009] Preferably, a blanking hole is provided inside the lower die corresponding to the position of the second punch, and the bottom of the blanking hole is communicated with the waste slot. The second punch can be used to punch the parts in the lower die. After the punching process is completed, the waste generated by the processing will enter the waste slot through the blanking hole, so as to achieve the effect of centralized collection of waste.

[0010] Preferably, an installation frame is provided at the top of the workbench. A moving slot is provided at the top of the installation frame. A moving block is arranged inside the moving slot. The left and right sides of the moving block are connected through a lead screw. A motor is arranged at the upper right end of the installation frame corresponding to the position of the lead screw. The output end of the motor is connected to the right end of the lead screw. The motor can be used to drive the lead screw to rotate. The rotation of the lead screw will drive the moving block to move left and right. By moving the moving block, the processing position of the first punch can be adjusted.

[0011] Preferably, a limiting plate is provided at the top of the moving block. The bottom of the moving block is connected with a U-shaped installation frame. A cylinder is arranged inside the U-shaped installation frame. The first punch is arranged at the bottom of the U-shaped installation frame. The output end of the cylinder passes through the U-shaped installation frame and is connected to the first punch. The U-shaped installation frame can be used to limit the position of the cylinder, and by starting the cylinder, the first punch can be driven to move downward, so as to achieve the purpose of pressing the pressure head.

[0012] Preferably, a collection box is installed at the front side of the workbench, and the rear end of the collection box is communicated with the front side of the waste slot. The collection box can be used to collect the scraps in the waste slot, so as to facilitate the recycling and utilization of the processed waste.

[0013] Preferably, T-shaped slots are provided on the left and right sides of the first limiting groove, and T-shaped sliders are connected to the left and right sides of the lower die corresponding to the positions of the T-shaped slots. By inserting the T-shaped sliders into the T-shaped slots, not only can the position of the lower die be restricted to prevent it from shaking randomly, but also the disassembly and installation of the lower die are made more convenient and rapid.

[0014] Advantages of the present utility model:

[0015] 1. The first punching head can apply pressure to the pressure-bearing head. When the pressure-bearing head is subjected to the pressure from the upper end, it will drive the connecting plate to move downward. The movement of the connecting plate will compress the reset spring to contract downward, so that the pressure-bearing head drives the second punching head at the bottom of the upper die to move downward synchronously, so as to achieve the purpose of punching the fittings in the lower die through the second punching head. And when it is necessary to process holes and slots of different sizes for the fittings, only need to disassemble the mounting plate in advance, and then different second punching heads can be replaced according to the size of the holes and slots, avoiding the replacement of the punching head during the punching process, and improving the processing efficiency and practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a three-dimensional structural schematic diagram of a punching die for manufacturing automotive parts of the present utility model;

[0017] Figure 2 Shown is an exploded structural schematic diagram of the lower die of a punching die for manufacturing automotive parts of the present utility model;

[0018] Figure 3 Shown is an exploded structural schematic diagram of the upper die of a punching die for manufacturing automotive parts of the present utility model;

[0019] Figure 4 Shown is an exploded structural schematic diagram of the first punching head of a punching die for manufacturing automotive parts of the present utility model;

[0020] Figure 5 Shown is a punching die for manufacturing automotive parts of the present utility model Figure 3 in which the enlarged schematic diagram of the structure at A.

[0021] Description of the reference numerals: 1, workbench; 2, first limiting groove; 3, T-shaped slot; 4, lower die; 5, T-shaped slider; 6, blanking hole; 7, support pull rod; 8, upper die; 9, second limiting groove; 10, stamping template; 11, mounting plate; 12, return spring; 13, connecting plate; 14, limiting hole; 15, bearing head; 16, second stamping head; 17, aggregate box; 18, waste slot; 19, sealing plate; 20, push plate; 21, electric telescopic rod; 22, mounting frame; 23, moving groove; 24, moving block; 25, lead screw; 26, motor; 27, limiting plate; 28, U-shaped mounting frame; 29, cylinder; 30, first stamping head. Detailed implementation mode

[0022] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Please refer to Figures 1 - 5 , the present utility model provides an embodiment: a punching die for manufacturing automobile parts, including a workbench 1; further including a lower die 4, a T-shaped slider 5, a support pull rod 7, an upper die 8, a stamping template 10, a mounting plate 11, a return spring 12, a connecting plate 13, a limiting hole 14, a bearing head 15 and a second stamping head 16. A first limiting groove 2 is opened at the top of the workbench 1, and a lower die 4 is arranged inside the first limiting groove 2. Four support pull rods 7 are symmetrically installed at the upper side corners of the lower die 4, and the top of the support pull rod 7 is connected to the upper die 8. A second limiting groove 9 is opened at the top of the upper die 8, and a stamping template 10 is arranged inside the second limiting groove 9. Mounting plates 11 arranged at equal intervals are arranged inside the stamping template 10. Two return springs 12 are symmetrically connected to the top of the mounting plate 11, and a connecting plate 13 is arranged at the top of the return spring 12. Limiting holes 14 are symmetrically opened at the top of the mounting plate 11 and the connecting plate 13, and a bearing head 15 is arranged at the top of the connecting plate 13 corresponding to the position of the limiting hole 14. A second stamping head 16 is arranged at the bottom of the upper die 8 corresponding to the position of the bearing head 15. The lower end of the bearing head 15 passes through the limiting hole 14 and the upper die 8 and is connected to the second stamping head 16. By applying pressure to the bearing head 15 through the first stamping head 30, when the bearing head 15 is subjected to the pressure from the upper end, it will drive the connecting plate 13 to move downward, and the movement of the connecting plate 13 will compress the return spring 12 to contract downward, so that the bearing head 15 drives the second stamping head 16 at the bottom of the upper die 8 to move downward synchronously, so as to achieve the purpose of punching the parts in the lower die 4 through the second stamping head 16. And when it is necessary to process holes and grooves of different sizes for the parts, only need to disassemble the mounting plate 11 in advance, and then different second stamping heads 16 can be replaced according to the size of the holes and grooves, avoiding the replacement of the stamping head during the punching process, and improving the processing efficiency and practicability.

[0024] Please refer to 1- Figure 5, in this embodiment, a waste slot 18 is provided at the rear side of the workbench 1. A sealing plate 19 is installed at the rear side of the waste slot 18, and a push plate 20 is arranged inside the waste slot 18. An electric telescopic rod 21 is installed at the rear side of the sealing plate 19. The front end of the electric telescopic rod 21 passes through the sealing plate 19 and is connected to the push plate 20. The electric telescopic rod 21 can be used to drive the push plate 20 to move back and forth. The movement of the push plate 20 will push the waste in the waste slot 18 forward, so that the waste enters the aggregate box 17. A blanking hole 6 is provided inside the lower die 4 corresponding to the position of the second punching head 16, and the bottom of the blanking hole 6 is communicated with the waste slot 18. The second punching head 16 can be used to punch the fittings in the lower die 4. After the punching process is completed, the waste generated by the processing will enter the waste slot 18 through the blanking hole 6 to achieve the effect of centralized collection of waste. An installation frame 22 is arranged on the top of the workbench 1. A moving slot 23 is provided at the top of the installation frame 22. A moving block 24 is arranged inside the moving slot 23. The left and right sides of the moving block 24 are connected through a lead screw 25. A motor 26 is arranged at the upper right side of the installation frame 22 corresponding to the position of the lead screw 25. The output end of the motor 26 is connected to the right end of the lead screw 25. The motor 26 can be used to drive the lead screw 25 to rotate. The rotation of the lead screw 25 will drive the moving block 24 to move left and right. The processing position of the first punching head 30 can be adjusted through the movement of the moving block 24.

[0025] Please refer to 1- Figure 5 , in this embodiment, a limiting plate 27 is arranged on the top of the moving block 24. The bottom of the moving block 24 is connected with a U-shaped mounting frame 28. A cylinder 29 is arranged inside the U-shaped mounting frame 28. A first punching head 30 is arranged at the bottom of the U-shaped mounting frame 28. The output end of the cylinder 29 passes through the U-shaped mounting frame 28 and is connected to the first punching head 30. The U-shaped mounting frame 28 can be used to limit the position of the cylinder 29, and by starting the cylinder 29, the first punching head 30 can be driven to move downward to achieve the purpose of pressing the pressure head 15. An aggregate box 17 is installed at the front side of the workbench 1, and the rear end of the aggregate box 17 is communicated with the front side of the waste slot 18. The aggregate box 17 can be used to collect the scraps in the waste slot 18, so as to facilitate the recycling and utilization of the processed waste. T-shaped slots 3 are provided on the left and right sides of the first limiting groove 2. T-shaped sliders 5 are connected to the left and right sides of the lower die 4 corresponding to the positions of the T-shaped slots 3. By inserting the T-shaped sliders 5 into the T-shaped slots 3, not only can the position of the lower die 4 be restricted to prevent it from shaking randomly, but also the disassembly and installation of the lower die 4 are more convenient and fast.

[0026] When working, starting the motor 26 can be used to drive the lead screw 25 to rotate. The rotation of the lead screw 25 will drive the moving block 24 to move left and right. The movement of the moving block 24 can adjust the processing position of the first punch 30. And the U-shaped mounting frame 28 can be used to limit the position of the cylinder 29. By starting the cylinder 29, the first punch 30 can be driven to move downward to achieve the purpose of pressing on the pressure head 15. When the pressure head 15 is subjected to the pressure from the upper end, it will drive the connecting plate 13 to move downward. The movement of the connecting plate 13 will compress the return spring 12 to contract downward, so that the pressure head 15 drives the second punch 16 at the bottom of the upper die 8 to move downward synchronously, so as to achieve the purpose of punching the parts in the lower die 4 through the second punch 16. And when it is necessary to process holes and grooves of different sizes for the parts, only need to disassemble the mounting plate 11 in advance, and then different second punches 16 can be replaced according to the size of the holes and grooves, avoiding the replacement of the punch during the punching process, and improving the processing efficiency and practicability.

[0027] Through the above steps, by setting multiple groups of replaceable second punches 16, different punches can be replaced in advance according to the punching size of the parts, so as to solve the problem of common punching dies that, due to the lack of replaceable punching components, cannot be adjusted according to the punching size of the parts. When it is necessary to punch holes and grooves of different sizes for the parts, the punch needs to be replaced during the punching process, thus reducing the practicability and processing efficiency.

Claims

1. A punching die for automobile parts manufacturing, comprising a workbench (1); characterized in that: The working table (1) further comprises a lower die (4), a T-shaped slider (5), a supporting rod (7), an upper die (8), a stamping template (10), a mounting plate (11), a reset spring (12), a connecting plate (13), a limiting hole (14), a pressure head (15) and a second stamping head (16); a first limiting groove (2) is provided on the top of the working table (1); a lower die (4) is arranged inside the first limiting groove (2); four supporting rods (7) are symmetrically arranged at the upper side corners of the lower die (4); the top of the supporting rods (7) is connected to the upper die (8); a second limiting groove (9) is provided on the top of the upper die (8); a stamping head (16) is arranged inside the second limiting groove (9); The template (10) is provided with mounting plates (11) arranged at equal intervals inside the stamping template (10); two return springs (12) are symmetrically connected to the top of the mounting plate (11); a connecting plate (13) is provided on the top of the return spring (12); limiting holes (14) are symmetrically provided on the top of the mounting plate (11) and the connecting plate (13); a pressure head (15) is provided at a position of the top of the connecting plate (13) corresponding to the limiting hole (14); a second stamping head (16) is provided at a position of the bottom of the upper mold (8) corresponding to the pressure head (15); and the lower end of the pressure head (15) passes through the limiting hole (14) and the upper mold (8) and is connected to the second stamping head (16).

2. A punching die for automobile parts manufacturing according to claim 1, characterized in that: A waste trough (18) is provided at the rear side of the workbench (1), a sealing plate (19) is installed at the rear side of the waste trough (18), a push plate (20) is provided inside the waste trough (18), an electric telescopic rod (21) is installed at the rear side of the sealing plate (19), and the front end of the electric telescopic rod (21) passes through the sealing plate (19) and is connected to the push plate (20).

3. The punching die for automobile parts manufacturing according to claim 1, characterized in that: A feed hole (6) is provided inside the lower die (4) at a position corresponding to the second punch head (16), and the bottom of the feed hole (6) is connected to the waste trough (18).

4. The punching die for automobile parts manufacturing according to claim 1, characterized in that: A mounting frame (22) is arranged on the top of the workbench (1), a moving groove (23) is opened on the top of the mounting frame (22), a moving block (24) is arranged inside the moving groove (23), a screw rod (25) is connected through the left and right sides of the moving block (24), a motor (26) is arranged at the position of the screw rod (25) at the upper right end of the mounting frame (22), and the output end of the motor (26) is connected to the right end of the screw rod (25).

5. A punching die for automobile parts manufacturing according to claim 4, characterized in that: A limit plate (27) is arranged on the top of the moving block (24), a U-shaped mounting frame (28) is connected to the bottom of the moving block (24), a cylinder (29) is arranged inside the U-shaped mounting frame (28), a first punching head (30) is arranged at the bottom of the U-shaped mounting frame (28), and an output end of the cylinder (29) passes through the U-shaped mounting frame (28) and is connected to the first punching head (30).

6. The punching die for automobile parts manufacturing according to claim 1, characterized in that: A material collecting box (17) is installed on the front side of the workbench (1), and the rear end of the material collecting box (17) is communicated with the front side of the waste material trough (18).

7. The punching die for automobile parts manufacturing according to claim 1, characterized in that: T-shaped slots (3) are provided on the left and right sides of the first limiting groove (2), and T-shaped sliding blocks (5) are connected to positions on the left and right sides of the lower mold (4) corresponding to the T-shaped slots (3).

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