Automobile stamping part die

By designing an automatic actuation component, the problem of manually actuating the wire harness fixing clamp in existing molds has been solved, achieving automatic actuation and improved safety, ensuring uniform actuation and collection of parts, and reducing the labor intensity of workers.

CN120984759AInactive Publication Date: 2025-11-21HEBEI INST OF MACHINERY ELECTRICITY
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Patent Information

Application Number
CN202511285648.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-10
Publication Date
2025-11-21
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing stamping die requires workers to manually remove the clamp after forming the wire harness, which poses problems of high labor intensity and safety hazards.

Method used

An automotive stamping die was designed, comprising components such as an upper die base, a lower die base, an upper die, a bending frame, a guide plate, and a return spring. The mechanical structure automatically moves the wire harness fixing clamp, eliminating the need for manual operation.

Benefits of technology

It enables automatic shifting of stamped parts, reducing the labor intensity of workers, improving safety, and ensuring that parts are evenly stressed, avoiding deformation and material loss that could affect subsequent stamping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of stamping, in particular to an automobile stamping part die which comprises a lower die base and an upper die base arranged above the lower die base, a lower die assembly is arranged on one side of the upper end of the lower die base, an upper die is fixedly installed on one side of the lower end of the upper die base, and a die core extends from the middle of the lower end of the upper die. A bending carrying frame is fixedly installed on the side face of the upper die, a bending block is elastically installed in the bending carrying frame, the rear end of the bending block penetrates out of the rear end of the bending carrying frame, an upper hook frame is fixedly installed at the rear end of the bending block, a lower hook frame is arranged behind the upper hook frame, and the lower end of the lower hook frame is fixed to the lower die base. According to the device, the labor intensity of workers is reduced, the safety is improved, the phenomenon that parts deform during shifting is avoided, and meanwhile the situation that the shifted parts fall into a stamping area, and follow-up stamping is affected is avoided.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of stamping, in particular to a stamping die for automobile. BACKGROUND

[0002] Stamping is a kind of processing method that uses a die to apply pressure on metal materials on a press machine to make them deform and obtain the required shaped workpieces, and is one of the important plastic processing technologies in mechanical manufacturing. Because the interior of a car is full of various wire harnesses, in order to avoid the wire harnesses from shaking and being damaged due to friction during driving, wire harness fixing clamps are needed for fixing and arranging. The wire harness fixing clamp, as one of the important parts on the car, is processed and formed by stamping. The wire harness clamp of a new energy automobile is manufactured by using an aluminum alloy precision die forging process. With the lightweight characteristics of the material, the vehicle weight is reduced to improve the endurance, and at the same time, relying on the high strength and vibration resistance of the die forging part, the high-voltage wire harness is stably fixed under complex working conditions to avoid wear and tear and ablation.

[0003] However, after the existing stamping die stamps the wire harness fixing clamp, because the wire harness fixing clamp has a certain curvature, when the upper die resets after stamping, the wire harness fixing clamp will be clamped on the core of the upper die. At this time, the worker needs to manually pry the wire harness fixing clamp clamped on the core, which greatly increases the labor intensity of the worker, and manually prying the wire harness fixing clamp on the core has certain safety hazards. SUMMARY

[0004] The purpose of the present application is to solve the shortcomings in the background art, and to provide a stamping die for automobile.

[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a stamping die for automobile, comprising a lower die seat and an upper die seat arranged above the lower die seat, a lower die assembly is arranged on one side of the upper end of the lower die seat, an upper die is fixedly installed on one side of the lower end of the upper die seat, a core extends from the lower end of the upper die, a curved carrier is fixedly installed on the side surface of the upper die, a curved block is elastically installed in the curved carrier, the rear end of the curved block penetrates out from the rear end of the curved carrier, an upper hook rack is fixedly installed on the rear end of the curved block, a lower hook rack is arranged behind the upper hook rack, the lower end of the lower hook rack is fixed to the lower die seat, a prying plate is slidably arranged on the lower part of the side surface of the curved carrier, two fixed columns are fixedly installed on both ends of the prying plate, a claw seat is fixedly installed on the end of each of the two fixed columns, two prying claws are symmetrically embedded in the opposite surfaces of the two claw seats, a prying rack is rotatably connected to the lower end of the curved block, the end of the prying rack is connected to the prying plate, and a displacement piece is arranged between the upper die and the lower die seat.

[0006] Preferably, the inside upper and lower end faces of the bending carrier are fixedly installed with limiting columns, the bending blocks are slidingly installed on the outer surfaces of the limiting columns, the outer sides of the limiting columns are wound with return springs, the upper ends of the return springs are fixed with the bending blocks, and the lower ends of the return springs are fixed with the inside lower end of the bending carrier.

[0007] Preferably, the middle part of the pushing plate is slidingly installed with a guide plate, the end part of the guide plate is fixed with the bending carrier, the upper end middle part of the pushing plate extends with a socket, and the end part of the pushing plate is rotatably installed in the inside of the socket.

[0008] Preferably, the upper end corner of the lower die seat is fixedly installed with a die guide column, and the upper die seat is slidingly installed on the outer surface of the die guide column.

[0009] Preferably, the lower die assembly comprises a lower die fixedly installed on one side of the upper end of the lower die seat, the upper end middle part of the lower die is provided with a die cavity, two die heads are symmetrically slidingly installed in the inside of the die cavity, hydraulic cylinders are fixedly installed on the front and rear ends of the lower die, the telescopic ends of the hydraulic cylinders extend into the inside of the die cavity, the telescopic ends of the hydraulic cylinders are slidingly matched with the lower die, the telescopic ends of the hydraulic cylinders are fixed with the die heads, and a containing cavity is penetratingly provided on one side of the upper end of the lower die.

[0010] Preferably, the shifting piece comprises a slot carrier slidingly arranged on the upper end rear part of the lower die seat, a shifting slot frame is rotatably installed on the upper end part of the slot carrier, the end part of the shifting slot frame is connected with the upper die, a material slot is connected with the front end of the slot carrier, and the material slot is obliquely arranged.

[0011] Preferably, a hopper is placed on the other side of the upper end of the lower die seat, a hopper seat extends from the other side of the upper end of the lower die seat, the hopper is inserted into the inside of the hopper seat, a connecting column is fixedly installed on the rear end of the material slot, and the slot carrier is inlaid on the rear end part of the connecting column.

[0012] Preferably, an arch seat is fixedly installed on the rear end of the upper die, the end part of the shifting slot frame is rotatably installed in the inside of the arch seat, a guide rod is slidingly installed on the lower part of the slot carrier, concave frames are fixedly installed on the two ends of the guide rod, the lower end of the slot carrier is attached to the inside bottom surface of the concave frames, supports are fixedly installed on the lower ends of the concave frames, and the supports are fixed with the lower die seat.

[0013] Compared with the prior art, the bending device has the following beneficial effects:

[0014] 1、When the stamping is completed, the upper die seat moves up to drive the mold core to separate from the lower die, and the upper hook frame moves up just to top the lower hook frame, so that the curved block on the upper hook frame remains stationary, and then the upper die seat continues to move up to drive the push plate to move up, at this time the reset spring deforms to make the push plate move normally, and meanwhile the material pushing frame rotates to push the push plate to move laterally, and then the material pushing claw on the claw seat moves laterally to push the part stamped on the mold core to move downward, so that the part is pushed downward automatically during the reset of the upper die, without the need for manual pushing by workers, effectively reducing the labor intensity of workers and improving safety, and meanwhile, under the action of the two material pushing claws symmetrically embedded on the opposite surfaces of the two claw seats, the part can be pushed from the upper and lower parts of the two sides simultaneously, so that the part is uniformly stressed to be pushed, so as to avoid the phenomenon of part deformation caused by the deviation of the moving track due to uneven stress during pushing.

[0015] 2、When the stamping is completed, the upper die seat moves up to drive the mold core to separate from the lower die, and the upper hook frame moves up just to top the lower hook frame, so that the curved block on the upper hook frame remains stationary, and then the upper die seat continues to move up to drive the push plate to move up, at this time the reset spring deforms to make the push plate move normally, and meanwhile the material pushing frame rotates to push the push plate to move laterally, and then the material pushing claw on the claw seat moves laterally to push the part stamped on the mold core to move downward, so that the part is pushed downward automatically during the reset of the upper die, without the need for manual pushing by workers, effectively reducing the labor intensity of workers and improving safety, and meanwhile, under the action of the two material pushing claws symmetrically embedded on the opposite surfaces of the two claw seats, the part can be pushed from the upper and lower parts of the two sides simultaneously, so that the part is uniformly stressed to be pushed, so as to avoid the phenomenon of part deformation caused by the deviation of the moving track due to uneven stress during pushing. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the automobile stamping part mold of the application;

[0017] Figure 2 It is a separation view of the lower die seat and the upper die seat of the automobile stamping part mold of the application;

[0018] Figure 3 It is an internal view of the lower die of the automobile stamping part mold of the application;

[0019] Figure 4 It is another perspective view of the automobile stamping part mold of the application; Figure 2

[0020] Figure 5 It is an enlarged view of A in the automobile stamping part mold of the application; Figure 2

[0021] Figure 6 It is a schematic view of the mold core of the automobile stamping part mold of the application;

[0022] Figure 7 It is a schematic view of the curved material pushing frame of the automobile stamping part mold of the application;

[0023] Figure 8 ​​Fig. 1 is a schematic view of a part of a die for stamping a part of a car.

[0024] In the figure: 1, lower die seat; 2, upper die seat; 3, hopper; 4, lower die; 5, hydraulic cylinder; 6, chute; 7, hopper seat; 8, die head; 9, die core; 10, upper die; 11, shifting chute frame; 12, chute carrier; 13, connecting column; 14, concave frame; 15, guide rod; 16, bracket; 17, lower hook frame; 18, curved carrier; 19, claw seat; 20, curved block; 21, limiting column; 22, return spring; 23, upper hook frame; 24, guide plate; 25, push plate; 26, push claw; 27, fixing column; 28, connector; 29, push frame; 30, accommodating cavity; 31, die cavity; 32, die guide column; 33, frame seat; 34, part. DETAILED DESCRIPTION

[0025] The following description is provided to enable any person skilled in the art to practice the present application. The preferred embodiments of the present application are described below as examples only, which can be modified in other obvious ways.

[0026] As Figures 1-8The illustrated one kind of automobile stamping die, including lower die seat 1 and the upper die seat 2 being arranged in the upper die seat 1, the upper end one side of lower die seat 1 is provided with lower die assembly, the lower end one side of upper die seat 2 is fixedly installed with upper die 10, the lower end middle part of upper die 10 extends with die core 9, upper die 10 plays the role of bearing die core 9, die core 9 can stamping part 34 into the cavity 31, the side of upper die 10 is fixedly installed with bending load carrier 18, the inside elasticity of bending load carrier 18 is installed with bending block 20, bending block 20 is adhered to the sliding in bending load carrier 18, to avoid the phenomenon that bending block 20 appears to sway, bending load carrier 18 plays the role of bearing bending block 20, the rear end of bending block 20 is penetrated from the rear end of bending load carrier 18, the rear end of bending block 20 is fixedly installed with upper hook rack 23, the rear of upper hook rack 23 is provided with lower hook rack 17, the lower end of lower hook rack 17 is fixed with lower die seat 1, the cooperation between lower hook rack 17 and upper hook rack 23 plays the role of keeping bending block 20 unmoved, the lower part of the side of bending load carrier 18 is slidably provided with the push plate 25, the both ends of the push plate 25 are fixedly installed with the fixed column 27, the push plate 25 plays the role of driving the material pushing claw 26 to move, the end of the two fixed columns 27 is fixedly installed with the claw base 19, the fixed column 27 plays the role of connection, the claw base 19 plays the role of bearing the material pushing claw 26, the opposite surface of the two claw bases 19 is symmetrically penetrated and embedded with two material pushing claws 26, under the action that the opposite surface of the two claw bases 19 is symmetrically penetrated and embedded with two material pushing claws 26, it can be simultaneously pushed from the upper and lower parts of the two sides of part 34, so that part 34 is uniformly stressed and is pushed, to avoid the phenomenon that the moving track is deviated due to uneven stress when being pushed, and then the deformation of part 34 is caused, the lower end of bending block 20 is rotatably connected with the material pushing frame 29, the end of material pushing frame 29 is connected with the push plate 25, the upper die seat 2 moves up, when the die core 9 is separated from the lower die 4, the upper hook rack 23 just and the lower hook rack 17 top together after moving up, so that the bending block 20 on the upper hook rack 23 remains unmoved, then the upper die seat 2 continues to move up, to drive the push plate 25 to move up, at this time, the reset spring 22 is deformed, so that the push plate 25 moves normally, at the same time, the material pushing frame 29 rotates, to push the push plate 25, so that the push plate 25 shifts sideways, and then drives the material pushing claw 26 on the claw base 19 to shift sideways, to push part 34 stamped and formed on the die core 9, so that it is pushed down, its process automatically completes the pushing of part 34 when the upper die resets, the upper die 10 and lower die seat 1 are provided with a shift joint.

[0027] The inner upper and lower end faces of the bending carrier 18 are fixedly provided with limiting columns 21, and the bending blocks 20 are slidingly arranged on the outer surfaces of the limiting columns 21. The limiting columns 21 can prevent the bending blocks 20 from separating from the bending carrier 18 and prevent the return springs 22 from being bent. The outer sides of the limiting columns 21 are wound with the return springs 22. The upper end of each return spring 22 is fixed to the corresponding bending block 20, and the lower end of each return spring 22 is fixed to the lower end of the bending carrier 18. The return springs 22 can return the side displacement of the material pushing claws 26.

[0028] The middle part of the pushing plate 25 is slidingly provided with a guide plate 24. The end of the guide plate 24 is fixed to the bending carrier 18. The guide plate 24 can guide the pushing plate 25. The upper end of the pushing plate 25 is extended with a connector 28. The end of a material pushing frame 29 is rotatably arranged in the connector 28. The connector 28 can connect the material pushing frame 29 and the pushing plate 25.

[0029] The upper end corner of the lower die base 1 is fixedly provided with a die guide column 32. The upper die base 2 is slidingly arranged on the outer surface of the die guide column 32. The die guide column 32 can guide the upper die base 2.

[0030] The lower die assembly comprises a lower die 4 fixedly arranged on one side of the upper end of the lower die base 1. The upper end of the lower die 4 is provided with a die cavity 31 in the middle part. Two die heads 8 are symmetrically slidingly arranged in the die cavity 31. The front and rear ends of the lower die 4 are fixedly provided with hydraulic cylinders 5. The hydraulic cylinders 5 can drive the die heads 8 to move. The extension ends of the hydraulic cylinders 5 are inserted into the die cavity 31. The extension ends of the hydraulic cylinders 5 are slidingly matched with the lower die 4. The extension ends of the hydraulic cylinders 5 are fixed to the die heads 8. A part 34 to be punched is placed in the die cavity 31 of the lower die 4. Then, the upper die base 2 is lowered to drive the die core 9 on the upper die 10 to move downward to press the part 34 into the die cavity 31. Then, the hydraulic cylinders 5 work to drive the die heads 8 to move towards the die core 9 to punch the part 34 on the die core 9 to make it be shaped. The upper end of the lower die 4 is provided with an accommodating cavity 30. The accommodating cavity 30 can accommodate the components at the bending carrier 18 when the upper die base 2 is lowered to punch, so that the lowering process of the upper die base 2 is not hindered.

[0031] The moving piece includes a groove carrier 12 slidingly arranged at the rear part of the upper end of the lower die seat 1, which serves to carry the material groove 6. The upper end of the groove carrier 12 is rotatably installed with a moving groove frame 11, the end of which is connected with the upper die 10. The front end of the groove carrier 12 is connected with the material groove 6, which serves to guide the part 34. The material groove 6 is arranged in an inclined manner. When the upper die seat 2 moves upward, the moving groove frame 11 is moved synchronously to push the groove carrier 12, thereby moving the material groove 6 forward. When the upper die seat 2 moves upward to drive the mold core 9 to separate from the lower die 4, the material groove 6 is just close to the part 34. In the process of the upper die seat 2 continuing to move upward to move the part 34, when the moved part 34 is about to completely separate from the mold core 9, the material groove 6 is just moved to the lower part of the part 34 to receive the falling part 34 and guide it into the hopper 3 for centralized collection, thereby avoiding the moved part 34 falling in the stamping area to affect the subsequent stamping.

[0032] The hopper 3 is arranged at the other side of the upper end of the lower die seat 1, which serves to collect the part 34. The hopper 3 is inserted into the inside of the hopper seat 7 extending at the other side of the upper end of the lower die seat 1. The hopper seat 7 can position the hopper 3 to prevent movement. The rear end of the material groove 6 is fixedly installed with a connecting column 13, and the groove carrier 12 is inlaid at the rear end of the connecting column 13. The connecting column 13 serves to fix the material groove 6 and the groove carrier 12 together.

[0033] The rear end of the upper die 10 is fixedly installed with a frame seat 33, and the end of the moving groove frame 11 is rotatably installed in the inside of the frame seat 33. The frame seat 33 serves to facilitate the connection of the moving groove frame 11 and the upper die 10 together. The lower part of the groove carrier 12 is slidingly installed with a guide rod 15, and the two ends of the guide rod 15 are fixedly installed with a concave frame 14. The guide rod 15 serves to guide the groove carrier 12, and the concave frame 14 serves to carry the guide rod 15. The lower end of the groove carrier 12 is attached to the inside bottom surface of the concave frame 14, which can strengthen the guidance of the groove carrier 12 and prevent rotation. The lower end of the concave frame 14 is fixedly installed with a bracket 16, and the lower end of the bracket 16 is fixed with the lower die seat 1. The bracket 16 serves to support and fix the concave frame 14.

[0034] When stamping, the part 34 to be stamped is placed in the mold cavity 31 on the lower die 4, then the upper die seat 2 is lowered, and the core 9 on the upper die 10 is lowered to press the part 34 into the mold cavity 31, then the hydraulic cylinder 5 works to drive the die head 8 to move towards the core 9 to stamp the part 34 on the core 9 to make it into shape, after stamping, the upper die seat 2 is raised, when the core 9 is separated from the lower die 4, the upper hook frame 23 is just on top of the lower hook frame 17, so that the curved block 20 on the upper hook frame 23 remains stationary, then the upper die seat 2 continues to rise to drive the push plate 25 to move upwards, at this time, the return spring 22 is deformed, so that the push plate 25 moves normally, at the same time, the material pushing frame 29 rotates to push the push plate 25 to move sideways, thereby driving the material pushing claw 26 on the claw seat 19 to move sideways to push the part 34 on the core 9 to be pushed down, in this process, the upper die seat 2 is raised to drive the moving groove frame 11 to move to push the groove carrier 12, thereby driving the material groove 6 to move forward, when the upper die seat 2 is raised to drive the core 9 to separate from the lower die 4, the material groove 6 is just close to the part 34, in the process of the upper die seat 2 continuing to raise to push the part 34, when the pushed part 34 is about to completely separate from the core 9, the material groove 6 is just moved to the lower side of the part 34 to receive the falling part 34 to guide it into the hopper 3 to be collected, so as to avoid the pushed part 34 falling in the stamping area to affect the subsequent stamping.

[0035] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A stamping die for automobile parts, comprising a lower die base (1) and an upper die base (2) disposed above the lower die base (1), characterized in that: A lower mold assembly is provided on one side of the upper end of the lower mold base (1). An upper mold (10) is fixedly installed on one side of the lower end of the upper mold base (2). A mold core (9) extends from the middle of the lower end of the upper mold (10). A bending frame (18) is fixedly installed on the side of the upper mold (10). A bending block (20) is elastically installed inside the bending frame (18). The rear end of the bending block (20) extends through the rear end of the bending frame (18). An upper hook frame (23) is fixedly installed at the rear end of the bending block (20). A lower hook frame (17) is provided behind the upper hook frame (23). The lower end of (17) is fixed to the lower mold base (1). A lever plate (25) is slidably provided on the lower side of the bending frame (18). A fixing column (27) is fixedly installed at both ends of the lever plate (25). A claw seat (19) is fixedly installed at the ends of the two fixing columns (27). Two material-pulling claws (26) are symmetrically embedded through the opposite surfaces of the two claw seats (19). A material-pulling frame (29) is rotatably connected to the lower end of the bent block (20). The end of the material-pulling frame (29) is connected to the lever plate (25). A transfer member is provided between the upper mold (10) and the lower mold base (1).

2. The automotive stamping die according to claim 1, characterized in that: A limiting post (21) is fixedly installed between the upper and lower end faces of the inner side of the bending frame (18). The bending block (20) is slidably installed on the outer surface of the limiting post (21). A return spring (22) is wound around the outer side of the limiting post (21). The upper end of the return spring (22) is fixed to the bending block (20), and the lower end of the return spring (22) is fixed to the lower inner side of the bending frame (18).

3. The automotive stamping die according to claim 1, characterized in that: A guide plate (24) is slidably installed through the middle of the lever plate (25). The end of the guide plate (24) is fixed to the bending frame (18). A receiving seat (28) extends from the middle of the upper end of the lever plate (25). The end of the material lever frame (29) is rotatably installed inside the receiving seat (28).

4. The automotive stamping die according to claim 1, characterized in that: A mold guide post (32) is fixedly installed at the upper corner of the lower mold base (1), and the upper mold base (2) is slidably installed on the outer surface of the mold guide post (32).

5. The automotive stamping die according to claim 1, characterized in that: The lower mold assembly includes a lower mold (4) fixedly installed on one side of the upper end of the lower mold base (1). A mold cavity (31) is opened in the middle of the upper end of the lower mold (4). Two mold heads (8) are symmetrically slidably installed inside the mold cavity (31). Hydraulic cylinders (5) are fixedly installed at both the front and rear ends of the lower mold (4). The telescopic end of the hydraulic cylinder (5) extends into the interior of the mold cavity (31). The telescopic end of the hydraulic cylinder (5) is slidably engaged with the lower mold (4). The telescopic end of the hydraulic cylinder (5) is fixed to the mold head (8). A receiving cavity (30) is opened through one side of the upper end of the lower mold (4).

6. The automotive stamping die according to claim 1, characterized in that: The transfer component includes a slot carrier (12) slidably disposed at the upper rear of the lower mold base (1). A slot transfer frame (11) is rotatably mounted on the upper end of the slot carrier (12). The end of the slot transfer frame (11) is connected to the upper mold (10). A material trough (6) is connected to the front end of the slot carrier (12). The material trough (6) is inclined.

7. The automotive stamping die according to claim 6, characterized in that: A hopper (3) is placed on the other side of the upper end of the lower mold base (1), and a hopper seat (7) extends from the other side of the upper end of the lower mold base (1). The hopper (3) is inserted into the inside of the hopper seat (7). A connecting column (13) is fixedly installed at the rear end of the material trough (6), and the trough carrier (12) is embedded in the rear end of the connecting column (13).

8. The automotive stamping die according to claim 7, characterized in that: A frame (33) is fixedly installed at the rear end of the upper mold (10). The end of the slot transfer frame (11) is rotatably installed inside the frame (33). A guide rod (15) is slidably installed through the lower part of the slot carrier (12). A concave frame (14) is fixedly installed at both ends of the guide rod (15). The lower end of the slot carrier (12) is attached to the inner bottom surface of the concave frame (14). A bracket (16) is fixedly installed at the lower end of the concave frame (14). The lower end of the bracket (16) is fixed to the lower mold base (1).