Rigid reset inclined wedge structure

Abstract

The utility model discloses a rigid reset inclined wedge structure, which comprises a lower die mechanism assembly, an upper die mechanism assembly and a lower die mechanism assembly, the upper die mechanism assembly is used for fixing the lower die mechanism assembly and simultaneously participates in forming of workpieces, and the utility model relates to the technical field of reset structures. According to the rigid reset inclined wedge structure, the upper die mechanism assembly and the lower die mechanism assembly are matched, the novel rigid automatic reset inclined wedge structure is adopted, a transmission elastic reset structure is changed, a mechanical structure is adopted for driving and resetting, the geometrical relationship of the mechanical structure is utilized, forced resetting is achieved, and reset failure caused by failure of an elastic element is avoided; by improving the structures of the inclined wedge and related components thereof, a rigid inclined wedge self-resetting structure is used in the progressive die to improve the mechanical rigid resetting of the inclined wedge and the related components thereof, and the related structure is extremely simple.

Description

Technical Field

[0001] The utility model relates to the technical field of reset structures, and particularly relates to a rigid reset inclined wedge structure. Background Art

[0002] A punching press is a stamping press. The stamping process saves materials and energy compared with traditional machining.

[0003] The patent with the publication number CN221137061U discloses a lower ejecting mechanism of a press, which relates to the technical field of presses. The lower ejecting mechanism of the press includes a lower die base, a hydraulic device, a ejector rod, an upper limit member, a spring and a lower limit member; the lower die base is used to be installed on a machine tool; the ejector rod is movably installed on the lower die base; the upper limit member is fixedly installed on the lower die base; the ejector rod sequentially includes an ejecting part, a limiting part and a reset part from top to bottom; part of the ejecting part protrudes from the lower die base; the limiting part is located above the upper limit member; the reset part passes through the upper limit member; the lower limit member is installed on the reset part; the spring is sleeved on the reset part and is located between the upper limit member and the lower limit member; in the first state, the hydraulic device abuts against the reset part; in the second state, there is a gap between the hydraulic device and the reset part. The lower ejecting mechanism of this patent solves the technical problem that in the existing ejecting mechanism of a press, the hydraulic device is easily damaged by the ejector rod during the downward pressing of the press.

[0004] As shown in the above technology, when a general press works, an inclined wedge punch is used to drive an inclined wedge insert, and then an elastic element is used for reset. After the elastic element is used multiple times, its elasticity will decrease, and replacing and maintaining it will affect production efficiency and the cost is relatively high. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a rigid reset inclined wedge structure, which solves the problems that the elastic element will inevitably be damaged after being used multiple times, replacing and maintaining it affects production efficiency, and the cost is relatively high.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: a rigid reset inclined wedge structure, including:

[0007] A lower die mechanism assembly, which is used to position and support a workpiece, and also complete the forming of the workpiece. The bottom of the lower die mechanism assembly is a square steel structure, with positioning screws embedded inside, and anti-slip patterns are provided on one side of the surface of the lower die mechanism assembly;

[0008] An upper die mechanism assembly, which is used to fix the lower die mechanism assembly and also participate in the forming of the workpiece. The top of the upper die mechanism assembly is a square steel structure, with positioning screws embedded, and reinforcing ribs are provided on the surface of the upper die mechanism assembly.

[0009] Preferably, the lower die mechanism assembly includes a lower template, the bottom of the lower template is fixedly connected with a lower backing plate, the bottom of the lower backing plate is fixedly connected with a lower die base, the bottom of the lower die base is fixedly connected with a lower pad foot, the bottom of the lower pad foot is fixedly connected with a lower support plate, a lower inner guide sleeve is arranged inside the lower template, an inclined wedge insert is arranged in the middle of the lower template, and a side punching head is movably arranged on the surface of the inclined wedge insert.

[0010] Preferably, an inclined wedge pressing block is arranged on the left side inside the lower template, and lower die fixing screws and lower die positioning pins penetrate through the surface of the lower template.

[0011] Preferably, the upper die mechanism assembly includes an upper die base, the bottom of the upper die base is fixedly connected with an upper backing plate, the bottom of the upper backing plate is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with a stripper backing plate, the bottom of the stripper backing plate is fixedly connected with a stripper plate, and an upper inner guide sleeve is arranged on the right side of the inner wall of the stripper plate.

[0012] Preferably, an upper die fixing screw penetrates through the middle of the surface of the upper die base, an upper die stripper screw penetrates through one side of the top of the upper die base, and a rectangular spring is arranged in the middle of the bottom of the upper die base.

[0013] Preferably, an inner guide post is arranged inside the fixing plate, and an inclined wedge punch is arranged inside the fixing plate.

[0014] Beneficial effects

[0015] The utility model provides a rigid reset inclined wedge structure. Compared with the prior art, the following beneficial effects are achieved:

[0016] (1) For this rigid reset inclined wedge structure, by using the cooperation of the upper die mechanism assembly and the lower die mechanism assembly, adopting a new type of rigid automatic reset inclined wedge structure, changing the transmission elastic reset structure, using a mechanical structure for driving and resetting, and utilizing the geometric relationship of the mechanical structure for forced resetting, it avoids the reset failure caused by the failure of elastic elements.

[0017] (2) For this rigid reset inclined wedge structure, by improving the structure of the inclined wedge and its related components, using a rigid inclined wedge self - reset structure in the progressive die, changing the original elastic element reset structure to the current mechanical rigid reset through the inclined wedge and its related components, the related structure is extremely simple, the operation logic is clear, and it is convenient for later maintenance. Brief description of the drawings

[0018] Figure 1 is a cross - sectional view of the utility model;

[0019] Figure 2 is the utility model Figure 1 is a partial enlarged view at A in;

[0020] Figure 3 For the present utility model Figure 1 is a partial enlarged view of part B in this;

[0021] Figure 4 For the present utility model Figure 1 is a partial enlarged view of part C in this.

[0022] In the figure: 1. Upper die mechanism assembly; 11. Upper die base; 12. Upper backing plate; 13. Fixed plate; 14. Stripping backing plate; 15. Stripping plate; 16. Upper die fixing screw; 17. Upper die stripping screw; 18. Rectangular spring; 19. Inner guide pillar; 110. Wedge punch; 111. Upper inner guide sleeve; 2. Lower die mechanism assembly; 21. Lower template; 22. Lower backing plate; 23. Lower die base; 24. Lower pad foot; 25. Lower supporting plate; 26. Lower inner guide sleeve; 27. Wedge insert; 28. Side punch; 29. Wedge pressure block; 210. Lower die fixing screw; 211. Lower die locating pin. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , the present utility model provides two technical solutions:

[0025] Embodiment 1, a rigid reset wedge structure, comprising:

[0026] The lower die mechanism assembly 2 is used to position and support the workpiece, and at the same time complete the forming of the workpiece. The bottom of the lower die mechanism assembly 2 is a square steel structure, with positioning screws embedded inside, and anti-slip patterns are provided on one side of the surface of the lower die mechanism assembly 2;

[0027] The upper die mechanism assembly 1 is used to fix the lower die mechanism assembly 2 and at the same time participate in the forming of the workpiece. The top of the upper die mechanism assembly 1 is a square steel structure, with positioning screws embedded inside, and reinforcing ribs are provided on the surface of the upper die mechanism assembly 1. By using the cooperation of the upper die mechanism assembly 1 and the lower die mechanism assembly 2, a new type of rigid automatic reset wedge structure is adopted, changing the transmission elastic reset structure, using a mechanical structure for driving and resetting, and using the geometric relationship of the mechanical structure for forced resetting to avoid reset failure caused by the failure of elastic elements.

[0028] Embodiment 2, the main difference from Embodiment 1 is: a rigid reset cam structure. The lower die mechanism assembly 2 includes a lower template 21. The bottom of the lower template 21 is fixedly connected with a lower backing plate 22. The bottom of the lower backing plate 22 is fixedly connected with a lower die base 23. The bottom of the lower die base 23 is fixedly connected with a lower pad foot 24. The bottom of the lower pad foot 24 is fixedly connected with a lower support plate 25. Inside the lower template 21, there is a lower inner guide bushing 26. In the middle of the inside of the lower template 21, there is a cam insert 27. On the surface of the cam insert 27, there is a side punching punch 28 movably arranged. On the left side inside the lower template 21, there is a cam pressure block 29. The surface of the lower template 21 is penetrated by lower die fixing screws 210 and lower die positioning pins 211. The upper die mechanism assembly 1 includes an upper die base 11. The bottom of the upper die base 11 is fixedly connected with an upper backing plate 12. The bottom of the upper backing plate 12 is fixedly connected with a fixing plate 13. The bottom of the fixing plate 13 is fixedly connected with a stripper backing plate 14. The bottom of the stripper backing plate 14 is fixedly connected with a stripper plate 15. On the right side of the inner wall of the stripper plate 15, there is an upper inner guide bushing 111. In the middle of the surface of the upper die base 11, there is an upper die fixing screw 16 penetrated. On one side of the top of the upper die base 11, there is an upper die stripper screw 17 penetrated. In the middle of the bottom of the upper die base 11, there is a rectangular spring 18. Inside the fixing plate 13, there is an inner guide post 19. Inside the fixing plate 13, there is a cam punch 110. By improving the structure of the cam and its related components and using a rigid cam self-reset structure in the progressive die, the original elastic element reset structure is improved to the current mechanical rigid reset through the cam and its related components. The related structure is extremely simple, the operation logic is clear, and it is convenient for later maintenance.

[0029] The upper inner guide bushing 111 and the lower inner guide bushing 26 are mutually adapted.

[0030] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0031] During operation, the structure drives the upper die mechanism assembly 1 through the press slide block. The upper die mechanism assembly 1 is equipped with a cam punch 110 for driving the cam. The press slide block continues to move downward. Through the front side inclined plane feature of the cam punch 110 in the upper die mechanism assembly 1, a driving force is provided to the front side inclined plane of the lower die cam insert 27. When the downward movement of the press is completed, the up-and-down movement of the press slide block is converted into the horizontal forward movement of the cam insert 27. The press slide block continues to move upward, driving the upper die mechanism assembly 1 to move. The upper die mechanism assembly 1 is equipped with a cam punch 110 for driving the cam. Through the rear side inclined plane of the upper die cam punch 110, a driving force is provided to the rear side inclined plane of the cam insert 27. When the upward movement of the press is completed, the process of converting the up-and-down movement of the press slide block into the horizontal backward movement of the cam insert 27 is realized. When the device is used up, the device is restored to its original state.

[0032] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rigid reset cam structure, characterized in that Comprising: A lower die mechanism component (2), the lower die mechanism component (2) is used to position and support the workpiece, and also complete the forming of the workpiece. The bottom of the lower die mechanism component (2) is a square steel structure, with positioning screws embedded inside, and anti-slip patterns are provided on one side of the surface of the lower die mechanism component (2). An upper die mechanism component (1), the upper die mechanism component (1) is used to fix the lower die mechanism component (2), and also participate in the forming of the workpiece. The top of the upper die mechanism component (1) is a square steel structure, with positioning screws embedded, and reinforcing ribs are provided on the surface of the upper die mechanism component (1).

2. The rigid reset cam structure according to claim 1, wherein: The lower die mechanism component (2) includes a lower template (21), the bottom of the lower template (21) is fixedly connected with a lower backing plate (22), the bottom of the lower backing plate (22) is fixedly connected with a lower die base (23), the bottom of the lower die base (23) is fixedly connected with lower pad feet (24), the bottom of the lower pad feet (24) is fixedly connected with a lower support plate (25), a lower inner guide bushing (26) is arranged inside the lower template (21), an inclined wedge insert (27) is arranged in the middle of the inside of the lower template (21), a side punching punch (28) is movably arranged on the surface of the inclined wedge insert (27), an inclined wedge pressing block (29) is arranged on the left side inside the lower template (21), and lower die fixing screws (210) and lower die positioning pins (211) penetrate through the surface of the lower template (21).

3. The rigid reset cam structure according to claim 1, wherein: The upper die mechanism component (1) includes an upper die base (11), the bottom of the upper die base (11) is fixedly connected with an upper backing plate (12), the bottom of the upper backing plate (12) is fixedly connected with a fixing plate (13), the bottom of the fixing plate (13) is fixedly connected with a stripper backing plate (14), the bottom of the stripper backing plate (14) is fixedly connected with a stripper plate (15), an upper inner guide bushing (111) is arranged on the right side of the inner wall of the stripper plate (15), an upper die fixing screw (16) penetrates through the middle of the surface of the upper die base (11), an upper die stripper screw (17) penetrates through one side of the top of the upper die base (11), a rectangular spring (18) is arranged in the middle of the bottom of the upper die base (11), an inner guide post (19) is arranged inside the fixing plate (13), and an inclined wedge punch (110) is arranged inside the fixing plate (13).

Images