Punch height fine adjustment structure of stamping die

Abstract

The utility model relates to the technical field of stamping dies, and discloses a stamping die punch height fine adjustment structure which comprises a die holder, a die plate, a rotating block, a screw plug and a forming punch, the die plate is located on one side of the die holder, and a concave cavity is formed in the surface of the side, close to the die plate, of the die holder; the rotating block is arranged in the concave cavity and provided with a rotating shaft part rotationally connected with the die holder, and a first transmission part and a second transmission part which are distributed on the two sides of the rotating shaft part; the screw plug is embedded in the template, the screw plug and the first transmission part are linked through an ejector rod, and the screwing depth of the screw plug is adjustable; the forming punch is arranged in the die plate in a penetrating mode, and the tail end of the forming punch is in linkage with the second transmission part through an adjusting rod. According to the height fine adjustment structure for the punch of the stamping die, the height of the forming punch extending out of the die plate can be adjusted by adjusting the screwing-in depth of the screw plug and linkage of the ejector rod, the rotating block and the adjusting rod, the forming requirement is met, the height adjusting difficulty is reduced, and the overall machining efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of stamping die technology, and in particular to a structure for fine-tuning the height of a stamping die punch. Background Technology

[0002] Stamping dies are specialized processing equipment used for processing sheet metal, and are widely used in industries such as automotive, electronics, home appliances, and aerospace. The working principle of stamping dies is to place the sheet metal between an upper and lower die, then apply pressure to close the upper and lower dies, subjecting the sheet metal to forces such as compression, stretching, bending, or shearing, thereby deforming it into the desired shape.

[0003] When using existing stamping dies, if the height of the punch needs to be changed, it is generally necessary to unscrew the screws that fix the punch, add a shim to the punch hole on the die base, and then tighten the screws to fix it. Alternatively, the entire die base needs to be disassembled to replace the punch and then the die needs to be fitted. The whole process is cumbersome, the die adjustment efficiency is low, it affects the production cycle, and the number of shims or replacement punches required is large, resulting in high costs. Utility Model Content

[0004] The purpose of this invention is to provide a punch height fine-tuning structure for stamping dies to solve the problems mentioned in the background art and achieve simple adjustment of the punch height.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A punch height fine-adjustment structure for a stamping die includes a die base, a die plate, a rotating block, a screw plug, and a forming punch, wherein:

[0007] The template is located on one side of the mold base, and a cavity is formed on the surface of the mold base near the template;

[0008] The rotating block is disposed in the cavity, and the rotating block is provided with a rotating shaft part that is rotatably connected to the mold base, as well as a first transmission part and a second transmission part distributed on both sides of the rotating shaft part;

[0009] The screw plug is installed in the template, and the screw plug is linked to the first transmission part through the push rod. The screw plug's screwing depth is adjustable.

[0010] The forming punch is inserted into the template, with its head end extending out of the template surface. The tail end of the forming punch is linked to the second transmission unit via an adjusting rod.

[0011] As an optional solution, a pad is provided between the mold base and the template. The push rod and the adjusting rod pass through the pad respectively. The surface of the adjusting rod is provided with a raised edge. A spring is sleeved on the adjusting rod. One end of the spring abuts against the template, and the other end of the spring abuts against the raised edge. The spring is used to drive the adjusting rod to press against the second transmission part.

[0012] As an alternative, the adjusting rod abuts against the second transmission part, the push rod abuts against the first transmission part, and the ends of the adjusting rod and the push rod are both hemispherical.

[0013] As an alternative, the pad is provided with a stop to limit the protrusion edge, which is used to limit the minimum height of the forming punch extending out of the template.

[0014] As an alternative, the surface of the pad that abuts against the mold base is provided with a groove to avoid the first transmission part.

[0015] As an alternative, the forming punch and the adjusting rod are axially fixed together by screws.

[0016] As an alternative, the surface of the rotating shaft is an arc surface, and the bottom of the cavity is provided with an arc groove that matches the arc surface.

[0017] As an alternative, more than one screw plug is screwed into the template, with each screw plug abutting against the other in sequence, and the screw plug furthest from the top rod not extending beyond the surface of the template.

[0018] The beneficial effects of this utility model are:

[0019] This stamping die punch height fine-tuning structure adjusts the height of the forming punch extending from the die plate by adjusting the screw depth of the plug, which is then linked with the ejector rod, rotating block, and adjusting rod. This meets the forming requirements, reduces the difficulty of height adjustment, and improves the overall processing efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the punch height fine-tuning structure of the stamping die provided in this embodiment of the utility model.

[0021] In the attached image:

[0022] 1. Mold base; 11. Cavity; 12. Arc groove; 2. Template; 3. Rotating block; 31. Rotating shaft; 32. First transmission part; 33. Second transmission part; 4. Plug; 5. Forming punch; 6. Ejector rod; 7. Adjusting rod; 71. Protruding edge; 8. Pad; 81. Stop edge; 82. Groove; 9. Spring; 10. Screw. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0024] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" are merely used to distinguish between different terms in description and do not have any special meaning.

[0028] Please see Figure 1 As shown, this embodiment provides a punch height fine-tuning structure for a stamping die, including a die base 1, a template 2, a rotating block 3, a screw plug 4, and a forming punch 5, wherein:

[0029] Template 2 is located on one side of mold base 1, and a cavity 11 is provided on the surface of mold base 1 that is close to template 2;

[0030] The rotating block 3 is disposed in the cavity 11. The rotating block 3 is provided with a rotating shaft 31 that is rotatably connected to the mold base 1, and a first transmission part 32 and a second transmission part 33 distributed on both sides of the rotating shaft 31.

[0031] The screw plug 4 is installed in the template 2. The screw plug 4 is linked to the first transmission part 32 through the push rod 6. The screw depth of the screw plug 4 is adjustable.

[0032] The forming punch 5 is inserted into the template 2, with the head end of the forming punch 5 extending out of the surface of the template 2, and the tail end of the forming punch 5 being linked to the second transmission part 33 via the adjusting rod 7.

[0033] Therefore, by adjusting the screw depth of the plug 4, the height of the forming punch 5 extending out of the template 2 can be adjusted through the linkage of the push rod 6, the rotating block 3 and the adjusting rod 7, thus meeting the forming requirements, reducing the difficulty of height adjustment and improving the overall processing efficiency.

[0034] Optionally, a pad 8 is provided between the mold base 1 and the template 2. The push rod 6 and the adjusting rod 7 pass through the pad 8 respectively. The surface of the adjusting rod 7 is provided with a raised edge 71. A spring 9 is sleeved on the adjusting rod 7. One end of the spring 9 abuts against the template 2, and the other end of the spring 9 abuts against the raised edge 71. The spring 9 is used to drive the adjusting rod 7 to press against the second transmission part 33.

[0035] Thus, the spring 9 provides a restoring force to the adjusting rod 7, so that when the pressure of the push rod 6 on the rotating block 3 gradually decreases, the spring 9 acts on the adjusting rod 7, causing the forming punch 5 to gradually retract; when the pressure of the push rod 6 on the rotating block 3 gradually increases, the rotating block 3 overcomes the action of the spring 9 to press against the adjusting rod 7, causing the forming punch 5 to gradually extend.

[0036] Furthermore, due to the presence of spring 9, the rotating block 3 does not require a complex connection structure with the adjusting rod 7 or the push rod 6; they only need to be in contact. Specifically, the adjusting rod 7 is in contact with the second transmission part 33, and the push rod 6 is in contact with the first transmission part 32. Both the ends of the adjusting rod 7 and the push rod 6 are hemispherical, so that the adjusting rod 7 and the push rod 6 can respectively make point contact with the surface of the rotating block 3, thereby achieving reliable force transmission.

[0037] Optionally, the pad 8 is provided with a stop 81 that limits the protrusion 71, the stop 81 being used to limit the minimum height of the forming punch 5 extending out of the template 2.

[0038] Optionally, a groove 82 is provided on the surface of the pad 8 that abuts against the mold base 1 to avoid the first transmission part 32. According to the required action space of the rotating block 3, the space of the cavity 11 is minimized as much as possible, so that the overall structure is more compact.

[0039] Optionally, the forming punch 5 and the adjusting rod 7 are axially fixed together by screws 10, so that the forming punch 5 and the adjusting rod 7 can only move axially, thus ensuring the positional accuracy of the forming punch 5.

[0040] Optionally, the surface of the rotating shaft 31 is an arc surface, and the bottom of the cavity 11 is provided with an arc groove 12 that is adapted to the arc surface, so as to realize simple assembly of the rotating block 3 and the mold base 1 and ensure the rotation function of the rotating block 3.

[0041] Optionally, more than one screw plug 4 is screwed into the template 2, with each screw plug 4 abutting against the template in sequence. The screw plug 4 furthest from the top rod 6 does not extend beyond the surface of the template 2. Multiple screw plugs 4 can prevent a single screw plug 4 from loosening, thus stabilizing the overall structure and filling the gaps on the surface of the template 2.

[0042] Specific adjustment process:

[0043] When it is necessary to increase the height of the forming punch 5, control the depth of screwing in the plug 4 to apply pressure to the push rod 6, thereby pressing down the first transmission part 32 and the second transmission part 33 overcoming the action of the spring 9 and lifting up, forcing the adjusting rod 7 to be lifted up, thereby ejecting the forming punch 5.

[0044] When it is necessary to reduce the height of the forming punch 5, the depth of the screw plug 4 is controlled, and the adjusting rod 7 is pressed against the second transmission part 33 under the action of the spring 9. The first transmission part 32 is raised and pushes up the top rod 6, so that the forming punch 5 retracts into the template 2, thereby achieving fine adjustment of the height.

[0045] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A punch height fine-adjustment structure for stamping dies, characterized in that, It includes a mold base (1), a template (2), a rotating block (3), a screw plug (4), and a forming punch (5), wherein: The template (2) is located on one side of the mold base (1), and a cavity (11) is formed on the surface of the mold base (1) near the template (2); The rotating block (3) is disposed in the cavity (11). The rotating block (3) is provided with a rotating shaft (31) rotatably connected to the mold base (1) and a first transmission part (32) and a second transmission part (33) distributed on both sides of the rotating shaft (31). The screw plug (4) is installed in the template (2), and the screw plug (4) is linked to the first transmission part (32) through the push rod (6). The screw plug (4) can be screwed in to an adjustable depth. The forming punch (5) is inserted into the template (2), with the head end of the forming punch (5) extending out of the surface of the template (2), and the tail end of the forming punch (5) being linked to the second transmission part (33) via an adjusting rod (7).

2. The stamping die punch height fine-adjustment structure according to claim 1, characterized in that, A pad (8) is provided between the mold base (1) and the template (2). The top rod (6) and the adjusting rod (7) pass through the pad (8) respectively. The surface of the adjusting rod (7) is provided with a raised edge (71). A spring (9) is sleeved on the adjusting rod (7). One end of the spring (9) abuts against the template (2), and the other end of the spring (9) abuts against the raised edge (71). The spring (9) is used to drive the adjusting rod (7) to press against the second transmission part (33).

3. The stamping die punch height fine-adjustment structure according to claim 2, characterized in that, The adjusting rod (7) abuts against the second transmission part (33), the top rod (6) abuts against the first transmission part (32), and the ends of the adjusting rod (7) and the top rod (6) are both hemispherical.

4. The stamping die punch height fine-adjustment structure according to claim 2, characterized in that, The pad (8) is provided with a stop (81) for limiting the protrusion (71), and the stop (81) is used to limit the minimum height of the forming punch (5) extending out of the template (2).

5. The stamping die punch height fine-adjustment structure according to claim 2, characterized in that, The pad (8) has a groove (82) on the surface that abuts against the mold base (1) to avoid the first transmission part (32).

6. The stamping die punch height fine-adjustment structure according to claim 1, characterized in that, The forming punch (5) and the adjusting rod (7) are axially fixed together by screws (10).

7. The stamping die punch height fine-adjustment structure according to claim 1, characterized in that, The surface of the rotating shaft (31) is an arc surface, and the bottom of the cavity (11) is provided with an arc groove (12) that is adapted to the arc surface.

8. The stamping die punch height fine-adjustment structure according to claim 1, characterized in that, More than one of the screw plugs (4) is screwed into the template (2), and each screw plug (4) abuts against the other in sequence. The screw plug (4) farthest from the top rod (6) does not extend beyond the surface of the template (2).

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