Progressive positioning type stamping die

Abstract

The utility model relates to the technical field of stamping dies, and discloses a progressive positioning type stamping die which comprises a base, a first fixing block and a stress plate, a clamping groove is formed in the middle of the base, a first limiting shaft is fixedly connected to the middle of the front side of the base, and a first spring is fixedly connected to the middle of the front side of the base. The inner wall of the first spring is slidably connected with the outer wall of the first limiting shaft, a push block is fixedly connected to the rear side of the first spring, the first limiting shaft penetrates through the push block front and back, third limiting shafts are fixedly connected to the four corners of the upper end of the base, and a lower mold is fixedly connected to the middle of the upper side of the first fixing block. According to the stamping device, through limitation of the multiple limiting devices, it is guaranteed that stamping stress is uniform, meanwhile, vibration is reduced, the vibration of a workpiece is relieved through the buffering device, and the damage rate of finished products is reduced while the whole stamping device keeps rapid stamping.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a progressive positioning stamping die. Background Art

[0002] Stamping dies are special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. They are called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform it, thereby obtaining the desired parts.

[0003] In the prior art, when the progressive positioning stamping die is used for processing, it will perform continuous stamping quickly, and a large vibration will be generated when the upper die contacts the lower die. The workpiece placed on the die can easily shift in position due to the vibration, resulting in reduced stamping accuracy. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a progressive positioning stamping die, which aims to improve the problem of reduced stamping accuracy caused by vibration in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A progressive positioning stamping die comprises a base, a first fixed block and a force plate, wherein a card slot is provided in the middle of the base, a first limiting shaft is fixedly connected to the middle of the front side of the base, a first spring is fixedly connected to the middle of the front side of the base, an inner wall of the first spring is slidably connected to an outer wall of the first limiting shaft, a push block is fixedly connected to the rear side of the first spring, the push block is penetrated by the first limiting shaft front and back, a third limiting shaft is fixedly connected to the four corners of the upper end of the base, a lower die is fixedly connected to the middle of the upper side of the first fixed block, and a card slot is provided in ... A first limiting hole, the first fixing block is fixedly connected with a second limiting shaft on both the front and rear sides of the left and right sides, the first fixing block is fixedly connected with a second spring on both the front and rear sides of the left and right sides, the second spring is fixedly connected with the second fixing block on the upper end, a second limiting hole is opened in the middle of the second fixing block, an upper mold is fixedly connected to one side of the second fixing block, and second clamping blocks are fixedly connected to the left and right sides of the upper side of the upper mold, hollow grooves are opened on both sides of the force-bearing plate, a pressure plate is fixedly connected to the lower end of the force-bearing plate, and a hydraulic device is fixedly connected to the middle of the upper end of the force-bearing plate;

[0007] As a further description of the above technical solution:

[0008] A waste material opening is provided at the bottom of the front side of the base;

[0009] As a further description of the above technical solution:

[0010] The rear side of the base is provided with grooves on both sides, the inner side of the right groove is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the first clamping block;

[0011] As a further description of the above technical solution:

[0012] The inner wall of the first limiting hole is slidably connected to the outer wall of the first limiting shaft;

[0013] As a further description of the above technical solution:

[0014] The outer wall of the second limiting shaft is slidably connected to the inner wall of the second spring, and the outer wall of the second limiting shaft is slidably connected to the inner wall of the second limiting hole;

[0015] As a further description of the above technical solution:

[0016] The second clamping block is engaged with the pressing plate;

[0017] As a further description of the above technical solution:

[0018] The force-bearing plate has holes at four corners and is slidably connected with the third limiting shaft.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, through the restriction of multiple limit devices, the vibration is reduced while ensuring the uniform force of the stamping, and the buffer device mitigates the vibration of the workpiece, so that the whole device can reduce the damage rate of the finished product while maintaining rapid stamping.

[0021] 2. In the utility model, since the mold and the hydraulic device are not integrated, the mold can be changed separately according to the change of the product, so that the device is more versatile and has a longer service life, which reduces the purchase cost and the maintenance cost at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a progressive positioning stamping die proposed by the utility model;

[0023] Figure 2 A schematic diagram of the die structure of a progressive positioning stamping die proposed by the utility model;

[0024] Figure 3 The utility model is a schematic diagram of the structure of a hydraulic device of a progressive positioning stamping die.

[0025] Legend:

[0026] 1. Base; 2. Waste port; 3. Rotating shaft; 4. First limiting shaft; 5. First spring; 6. First clamping block; 7. Pushing block; 8. Groove; 9. Clamping slot; 10. First fixing block; 11. First limiting hole; 12. Second limiting shaft; 13. Second spring; 14. Second fixing block; 15. Second limiting hole; 16. Second clamping block; 17. Lower mold; 18. Upper mold; 19. Force plate; 20. Hollow groove; 21. Third limiting shaft; 22. Pressing plate; 23. Hydraulic press. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figure 1-Figure 3 The utility model provides an embodiment: it includes a base 1, a first fixed block 10 and a force plate 19, characterized in that: a card slot 9 is opened in the middle of the base 1, a first limiting shaft 4 is fixedly connected to the middle of the front side of the base 1, a first spring 5 is fixedly connected to the middle of the front side of the base 1, the inner wall of the first spring 5 is slidably connected to the outer wall of the first limiting shaft 4, a push block 7 is fixedly connected to the rear side of the first spring 5, and the push block 7 is penetrated by the first limiting shaft 4 front and back, and the four corners of the upper end of the base 1 are fixedly connected to the third limiting shaft 21, the middle of the upper side of the first fixed block 10 is fixedly connected to the lower mold 17, and the first fixed block 10 is penetrated front and back to open the first limiting shaft 21. A limiting hole 11, the first fixed block 10 is fixedly connected with a second limiting shaft 12 on both sides of the left and right sides, the first fixed block 10 is fixedly connected with a second spring 13 on both sides of the left and right sides, the second spring 13 is fixedly connected with a second fixed block 14 on the upper end, and a second limiting hole 15 is opened in the middle of the second fixed block 14, an upper mold 18 is fixedly connected to one side of the second fixed block 14, and second clamping blocks 16 are fixedly connected to the left and right sides of the upper side of the upper mold 18, hollow grooves 20 are opened on both sides of the force plate 19, a pressure plate 22 is fixedly connected to the lower end of the force plate 19, and a hydraulic press 23 is fixedly connected to the middle of the upper end of the force plate 19.

[0029] The first limiting hole 11 on the first fixed block 10 passes through the first limiting shaft 4, and the first clamping block 6 is engaged. Under the action of the first spring 5, the push block 7 fixes the first fixed block 10 in the clamping groove 9. Under the action of the hydraulic press 23, the pressure plate 19 pushes the pressing plate 22 downward. After the pressing plate is engaged with the second clamping block 16, the upper mold 18 is stably stamped. The upper mold 18 is engaged with the lower mold 17 to complete the stamping.

[0030] A waste opening 2 is provided at the bottom of the front side of the base 1. Grooves 8 are provided on the left and right sides of the rear side of the base 1. A rotating shaft 3 is fixedly connected to the inner side of the right groove 8, and the rotating shaft 3 is rotatably connected to the first clamping block 6. The inner wall of the first limiting hole 11 is slidably connected to the outer wall of the first limiting shaft 4. The outer wall of the second limiting shaft 12 is slidably connected to the inner wall of the second spring 13, and the outer wall of the second limiting shaft 12 is slidably connected to the inner wall of the second limiting hole 15. The second clamping block 16 is engaged with the pressure plate 22. The force plate 19 has holes at the four corners and is slidably connected to the third limiting shaft 21.

[0031] The third limit axis 21 ensures that the direction is correct and the force is uniform when the pressure plate 22 is pressed down. The second limit axis 12 ensures that the upper mold 18 is in the correct direction during stamping. The second spring 13 buffers the stamping impact and reduces vibration. Since the upper mold 18 and the lower mold 17 are an integral whole, the vibration will not cause excessive displacement of the workpiece.

[0032] Working principle: the staff opens the first clamping block 6, passes the first limiting hole 11 on the first fixed block 10 through the first limiting shaft 4, engages the first clamping block 6, and under the action of the first spring 5, the push block 7 fixes the first fixed block 10 in the clamping slot 9. Under the action of the hydraulic press 23, the pressure plate 19 pushes the pressure plate 22 downward. The third limiting shaft 21 ensures that the direction is correct and the force is uniform when the pressure plate 22 is pressed downward. The second limiting shaft 12 ensures that the upper mold 18 is in the correct direction during stamping. The second spring 13 buffers the stamping impact and reduces the vibration. Since the upper mold 18 and the lower mold 17 are an integral whole, the vibration will not cause excessive displacement of the workpiece. After the pressure plate is engaged with the second clamping block 16, the upper mold 18 is stably stamped, and the upper mold 18 is engaged with the lower mold 17 to complete the stamping.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A progressive positioning stamping die, comprising a base (1), a first fixing block (10) and a force-bearing plate (19), characterized in that: A card slot (9) is provided in the middle of the base (1), a first limiting shaft (4) is fixedly connected to the middle of the front side of the base (1), a first spring (5) is fixedly connected to the middle of the front side of the base (1), an inner wall of the first spring (5) is slidably connected to an outer wall of the first limiting shaft (4), a push block (7) is fixedly connected to the rear side of the first spring (5), the push block (7) is penetrated by the first limiting shaft (4) from front to back, a third limiting shaft (21) is fixedly connected to the four corners of the upper end of the base (1), a lower mold (17) is fixedly connected to the middle of the upper side of the first fixed block (10), a first limiting hole (11) is penetrated from front to back of the first fixed block (10), and the left and right sides of the first fixed block (10) are A second limiting shaft (12) is fixedly connected to the front and rear sides of the first fixed block (10), a second spring (13) is fixedly connected to the front and rear sides of the left and right sides, a second fixing block (14) is fixedly connected to the upper end of the second spring (13), a second limiting hole (15) is provided in the middle of the second fixing block (14), an upper mold (18) is fixedly connected to one side of the second fixed block (14), a second clamping block (16) is fixedly connected to the left and right sides of the upper side of the upper mold (18), a hollow groove (20) is provided on the left and right sides of the force-bearing plate (19), a pressure plate (22) is fixedly connected to the lower end of the force-bearing plate (19), and a hydraulic pressure device (23) is fixedly connected to the middle of the upper end of the force-bearing plate (19).

2. The progressive positioning stamping die according to claim 1, characterized in that: The front bottom of the base (1) is provided with a waste material opening (2).

3. The progressive positioning stamping die according to claim 1, characterized in that: The rear side of the base (1) is provided with grooves (8) on both sides, and a rotating shaft (3) is fixedly connected to the inner side of the right groove (8), and the rotating shaft (3) is rotatably connected to the first clamping block (6).

4. The progressive positioning stamping die according to claim 1, characterized in that: The inner wall of the first limiting hole (11) is slidably connected to the outer wall of the first limiting shaft (4).

5. The progressive positioning stamping die according to claim 1, characterized in that: The outer wall of the second limiting shaft (12) is slidably connected to the inner wall of the second spring (13), and the outer wall of the second limiting shaft (12) is slidably connected to the inner wall of the second limiting hole (15).

6. The progressive positioning stamping die according to claim 1, characterized in that: The second clamping block (16) is clamped with the pressing plate (22).

7. The progressive positioning stamping die according to claim 1, characterized in that: The four corners of the force-bearing plate (19) are all provided with holes and are slidably connected to the third limiting shaft (21).

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