Rotatable adjustable anti-rebound bending block structure

Abstract

The utility model discloses a rotatable adjustable anti-rebound bending block structure, which relates to the field of stamping dies, and comprises a bending component and an adjusting component, the bending component comprises an upper bending block and a lower bending block which are staggered up and down, one side of the lower bending block is provided with a lower die floating block which is used for placing a part to be bent and receiving the lower pressure of the upper bending block; the side pushing block is transversely arranged on one side of the upper portion of the upper bending block and can transversely move, the top of the adjusting block makes contact with the free end of the side pushing block, the adjusting block can vertically float according to transverse translation of the side pushing block, and a rotating shaft is arranged at the bottom of the lower bending block, so that when the adjusting block descends and presses the side face of the lower bending block, the side pushing block moves upwards and downwards. The part bending device is simple in overall structure and convenient to debug, a large amount of repeated debugging and bending work can be saved, and the part bending work efficiency is rapidly improved.

Description

Technical Field

[0001] The utility model relates to the field of stamping dies, and in particular to a rotatable and adjustable anti-rebound bending block structure. Background Art

[0002] When bending parts, the commonly used method is to use the upper and lower dies in the stamping equipment, which are staggered and move in opposite directions to squeeze the parts to make them bend. However, when the load is removed, most parts will rebound, and the shape of the parts will be partially restored, resulting in the shape and size of the parts not matching the shape and size of the working surface of the stamping die, affecting the assembly accuracy of the product. To address the part rebound phenomenon, most of the current debugging methods include repeatedly debugging the lower die bending block, adding gaskets, squeezing gaps, and wrapping the parts with rounded corners with the bending block. However, this debugging method is cumbersome and requires repeated debugging, which greatly reduces the efficiency of the bending work. Utility Model Content

[0003] The present application provides a rotatable and adjustable anti-rebound bending block structure, which can solve the technical problems existing in the prior art that when bending parts are subjected to bending processing, due to the special material properties of some parts to be bent, after the initial bending is completed, some parts to be bent rebound, and multiple manual adjustments and repeated bending are required, resulting in cumbersome adjustment processes and low work efficiency.

[0004] The embodiment of the present application provides a rotatable and adjustable anti-rebound bending block structure, comprising:

[0005] A bending assembly, the bending assembly comprising an upper bending block and a lower bending block which are staggered in an upper and lower direction, and a lower die floating block for placing the part to be bent and receiving the downward pressure of the upper bending block is provided on one side of the lower bending block;

[0006] An adjusting component, the adjusting component includes a side push block which is laterally arranged on one side above the upper bending block and can be laterally translated, and an adjusting block whose top contacts the free end of the side push block and can float up and down according to the lateral translation of the side push block. A rotating shaft is arranged at the bottom of the lower bending block so that when the adjusting block descends and presses the top of the lower bending block, the lower bending block is pushed to rotate toward the upper bending block with the rotating shaft as the center.

[0007] In one embodiment, the lower mold floating block includes a floating block located below the upper bending block and a first spring located at the bottom of the floating block.

[0008] In one embodiment, a second spring for resetting the lower bending block is laterally arranged in the floating block, the second spring is located above the first spring, and one end of the second spring passes through the side of the floating block and contacts the side of the lower bending block.

[0009] In one embodiment, the side thrust block includes a vertical rod and a horizontal rod vertically arranged at a center point of the vertical rod.

[0010] In one embodiment, the adjustment assembly further includes an upper pad, and the horizontal rod transversely enters the upper pad.

[0011] In one embodiment, a first inclined surface is disposed at the free end of the horizontal rod, and a second inclined surface that fits the first inclined surface is disposed at the top of the adjustment block.

[0012] In one embodiment, two adjusting bolts for adjusting the lateral translation distance of the vertical rod are laterally arranged on the vertical rod.

[0013] In one embodiment, the adjusting bolts are relatively arranged at two ends of the vertical rod, the rod body of the adjusting bolt passes through the vertical rod, and one of the adjusting bolts passes through one end of the vertical rod and enters the upper pad.

[0014] In one embodiment, a third spring for resetting the adjusting block is arranged on the top of the adjusting block.

[0015] In one embodiment, a third inclined surface facing the lower bending block is provided at the bottom of the adjusting block.

[0016] The beneficial effects brought by the technical solution provided in the embodiments of the present application include:

[0017] The present application provides a rotatable and adjustable anti-rebound bending block structure. By adjusting the lateral translation orientation of the side push block, the downward pressure distance of the adjustment block can be controlled to achieve the purpose of adjusting the angle between the lower bending block and the lower mold floating block, changing the bending radius of the part to be bent, and eliminating the part rebound. The overall debugging method is simple, and repeated debugging and bending are not required, which improves the bending work efficiency. The overall structure is simple and convenient for subsequent maintenance and replacement work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic structural diagram of a rotatable and adjustable anti-rebound bending block structure provided in the present application;

[0020] Figure 2A schematic diagram of a lower die floating block structure in a rotatable and adjustable anti-rebound bending block structure provided in the present application;

[0021] Figure 3 A schematic diagram of a side push block structure in a rotatable and adjustable anti-rebound bending block structure provided in the present application;

[0022] Figure 4 A schematic diagram of an adjusting block structure in a rotatably adjustable anti-rebound bending block structure provided in the present application;

[0023] Figure 5 A schematic diagram of the usage status of a rotatable and adjustable anti-rebound bending block structure provided in the present application.

[0024] In the figure: 1. upper bending block; 2. lower bending block; 201. rotating shaft; 3. lower die floating block; 301. floating block; 302. first spring; 303. second spring; 4. side push block; 401. vertical rod; 402. horizontal rod; 403. first inclined plane; 404. adjusting bolt; 5. adjusting block; 501. second inclined plane; 502. third spring; 503. third inclined plane; 6. upper pad; 7. upper die base; 8. lower die base. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] The embodiment of the present application provides a rotatable and adjustable anti-rebound bending block structure, which can solve the technical problems in the prior art that, when bending parts to be bent are subjected to bending processing, due to the special material properties of some parts to be bent, after the initial bending is completed, some parts to be bent rebound, requiring multiple manual adjustments and repeated bending, resulting in a cumbersome bending process and low work efficiency.

[0027] Figure 1It is a schematic diagram of the rotatable and adjustable anti-rebound bending block structure in the present application, including a bending assembly and an adjusting assembly, wherein the bending assembly includes an upper bending block 1 and a lower bending block 2 which are staggered up and down, and a lower mold floating block 3 is provided on one side of the lower bending block 2 for placing the parts to be bent and receiving the downward pressure of the upper bending block 1; the adjusting assembly includes a side push block 4 which is laterally arranged on one side above the upper bending block 1 and can be laterally translated, and an adjusting block 5 which contacts the free end of the side push block 4 at the top and can float up and down according to the lateral translation of the side push block 4, and a rotating shaft 201 is provided at the bottom of the lower bending block 2, so that when the adjusted block 5 descends and presses the top of the lower bending block 2, the lower bending block 2 is pushed to rotate toward the upper bending block 1 with the rotating shaft 201 as the center.

[0028] The rotatable and adjustable anti-rebound bending block structure in the present application is arranged in a stamping and bending forming machine commonly used in the prior art. The stamping and bending forming machine generally includes an upper die base 7 that can move downward and a fixed lower die base 8. In addition to the rotatable and adjustable anti-rebound bending block structure in the present application, the common upper die base 7 and the lower die base 8 have more internal components, which are no longer distinguished one by one here, and are collectively referred to as the upper die base 7 and the lower die base 8.

[0029] The upper bending block 1 in the present application is arranged at the bottom of the upper die seat 7 and can descend with the upper die seat 7, while the lower bending block 2 is arranged at the top of the lower die seat 8 and is staggered with the position of the upper bending block 1, and the lower die floating block 3 is arranged directly below the upper bending block 1 and is spaced a certain distance from the lower bending block 2. When the bending work is performed, the part to be bent spans the surfaces of the lower die floating block 3 and the lower bending block 2. When the upper bending block 1 begins to press down and contacts the part to be bent, the lower die floating block 3 is subjected to the downward pressure of the upper bending block 1 and descends accordingly, and the lower bending block 2 remains stationary. The part to be bent is simultaneously subjected to the supporting force of the lower bending block 2 and the downward pressure of the upper bending block 1, thereby generating bending. A missing area is provided on the inner side surface of the upper bending block 1, that is, the bottom of one side of the upper bending block 1 facing the lower bending block 2, to avoid the top of the lower bending block 2 facing the side of the upper bending block 1, and the bent end of the part to be bent after bending is provided in the missing area.

[0030] The rotating shaft 201 is set at the corresponding position of the lower die seat 8, and the rotating shaft 201 is fixedly connected to the bottom of the lower bending block 2. After the part to be bent is initially bent, the upper die seat 7 drives the upper bending block 1 to rise, and the load on the part to be bent is unloaded. If the bent part rebounds, the side push block 4 is adjusted laterally to move toward the direction of the adjustment block 5. At this time, the bottom of the adjustment block 5 contacts the top of the lower bending block 2, and with the continuous horizontal displacement of the side push block 4, the adjustment block 5 begins to slowly descend and pushes the lower bending block 2 to rotate slightly along the rotating shaft 201 toward the direction of the upper bending block 1. At this time, the angle between the lower bending block 2 and the upper bending block 1 becomes smaller, and then the upper die seat 7 is pressed down again. When the upper bending block 1 presses down the part to be bent again, the fillet of the part to be bent changes to reserve a certain amount of part rebound space, thereby reducing the bending workflow.

[0031] Furthermore, Figure 2 The schematic diagram of the structure of the lower mold floating block 3 in a rotatable and adjustable anti-rebound bending block structure provided in the present application is as follows: Figure 2 As shown, the lower mold floating block 3 includes a floating block 301 located below the upper bending block 1 and a first spring 302 located at the bottom of the floating block 301. The floating block 301 is located directly below the upper bending block 1 to directly receive the downward pressure impact force of the upper bending block 1 and descend along with the upper bending block 1 and the part to be bent. At this time, the first spring 302 is in a contracted state. When the upper bending block 1 rises, the elastic force of the first spring 302 lifts the floating block 301 and pushes the floating block 301 and the part to be bent to rise, thereby completing the resetting work of the floating block 301.

[0032] Furthermore, a second spring 303 for resetting the lower bending block 2 is laterally arranged in the floating block 301, and the second spring 303 is located above the first spring 302, and one end of the second spring 303 passes through the side of the floating block 301 and contacts the side of the lower bending block 2. The second spring 303 is laterally arranged in the floating block 301, and the end of the second spring 303 close to the lower bending block 2 passes through the side of the floating block 301 and contacts the inner side of the lower bending block 2. When the adjusting block 5 descends and presses the lower bending block 2 to rotate toward the lower mold floating block 3, the second spring 303 is in a contracted state. When the part to be bent is bent, the side push block 4 moves in a direction away from the adjusting block 5, the adjusting block 5 rises, the thrust on the lower bending block 2 disappears, the second spring 303 starts to reset, and pushes the lower bending block 2 back to its original position.

[0033] Furthermore, Figure 3 This is a schematic diagram of the structure of the side push block 4 in a rotatable and adjustable anti-rebound bending block structure provided in the present application, as shown in Figure 3As shown, the side push block 4 includes a vertical rod 401 and a horizontal rod 402 vertically arranged at the center point of the vertical rod 401, and the adjustment component also includes an upper pad 6, and the horizontal rod 402 enters the upper pad 6 laterally. In the present application, the upper pad 6 is fixedly arranged at the bottom of the upper mold base 7 and descends with the mold base. The vertical rod 401 in the side push block 4 is arranged on the outer side of the upper pad 6, and a through hole is horizontally opened on the side of the upper pad 6 for the horizontal rod 402 to enter and fix the side push block 4 on the side of the upper pad 6. In the present application, there is no specific restriction on the shape of the horizontal rod 402, which can be a cylinder or a square. The shape of the through hole on the upper pad 6 is always in line with the shape of the horizontal rod 402, and the cross-sectional diameter of the through hole on the upper pad 6 is larger than the cross-sectional area of ​​the horizontal rod 402 to ensure the normal lateral translation movement of the side push block 4 in the upper pad 6.

[0034] Furthermore, a first inclined surface 403 is provided at the free end of the horizontal rod 402, and a second inclined surface 501 which is in contact with the first inclined surface 403 is provided at the top of the adjusting block 5. The free end of the horizontal rod 402 is the end of the horizontal rod 402 which enters the upper pad 6 and contacts the top of the adjusting block 5. The free end of the horizontal rod 402 and the top of the adjusting block 5 are tightly fitted with the second inclined surface 501 through the first inclined surface 403, and the area of ​​the first inclined surface 403 is larger than that of the second inclined surface 501. When the adjusting block 5 is in the initial state, the first inclined surface 403 completely covers the second inclined surface 501 and part of the inclined surface area of ​​the first inclined surface 403 is still exposed. When the side push block 4 moves toward the adjusting block 5, the first inclined surface 403 continues to move toward the second inclined surface 501, squeezing the adjusting block 5 downward.

[0035] Furthermore, two adjusting bolts 404 for adjusting the lateral translation distance of the vertical rod 401 are horizontally arranged on the vertical rod 401. The rod body of the adjusting bolt 404 passes through the vertical rod 401, and one of the adjusting bolts 404 passes through one end of the vertical rod 401 and enters the upper pad 6. The two adjusting bolts 404 are arranged in an upper and lower position and are parallel to each other. The two adjusting bolts 404 are parallel to the horizontal rod 402. One of the adjusting bolts 404 passes through the vertical rod 401 and passes through one end of the vertical rod 401. The end enters the side of the upper pad 6 and is threadedly connected to the side of the upper pad 6. By rotating the adjusting bolt 404 in different directions, the left and right translation adjustment of the side push block 4 as a whole in the upper pad 6 can be realized. Although the other adjusting bolt 404 also penetrates the vertical rod 401, it does not enter the upper pad 6 and only serves as a limit for the side push block 4. By adjusting the length of the rod body of the adjusting bolt 404 penetrating the vertical rod 401, the maximum distance that the side push block 4 can move in the upper pad 6 can be controlled.

[0036] Furthermore, Figure 4 This is a schematic diagram of the structure of the adjustment block 5 in a rotatable and adjustable anti-rebound bending block structure provided in the present application, as shown in FIG. Figure 4As shown, a third spring 502 for resetting the adjusting block 5 is provided on the top of the adjusting block 5, and the two ends of the third spring 502 are respectively connected to the bottom of the upper die seat 7 and the top of the adjusting block 5, and the connection between the third spring 502 and the adjusting block 5 avoids the moving path of the first inclined surface 403 on the second inclined surface 501, so as to prevent the third spring 502 from hindering the movement of the first inclined surface 403. When adjusting the lower bending block 2, an adjusting bolt 404 penetrating the upper pad 6 is rotated forward to lower the adjusting block 5, at which time the third spring 502 is in a stretched state. When the bending work is completed, an adjusting bolt 404 penetrating the upper pad 6 is rotated in the reverse direction, and the downward pressure of the side push block 4 on the adjusting block 5 disappears. At this time, the third spring 502 automatically returns to its original position and pulls the adjusting block 5 back to its initial position.

[0037] Furthermore, a third inclined surface 503 facing the lower bending block 2 is provided at the bottom of the adjusting block 5. As the adjusting block 5 descends, the bottom of the adjusting block 5 moves toward the lower bending block 2 and slowly begins to contact the top of the lower bending block 2. At this time, the third inclined surface 503 can avoid the top edge of the lower bending block 2 and rely on the slope to push the lower bending block 2 to rotate, thereby preventing the adjusting block 5 from colliding with the top of the lower bending block 2 to ensure the normal descent of the adjusting block 5.

[0038] Figure 5 A schematic diagram of the use status of a rotatable adjustable anti-rebound bending block structure provided in the present application. When using the rotatable adjustable anti-rebound bending block structure in the present application, the part to be bent is placed above the lower die floating block 3 and the lower bending block 2, and then the upper bending block 1 descends along with the upper die seat 7 to perform a preliminary bending on the part to be bent, and then the upper die seat 7 is raised and the rebound state of the part to be bent is checked. If the part to be bent rebounds, an adjusting bolt 404 that passes through the upper pad 6 is rotated to move the side push block 4 toward the adjustment block 5 and lower the adjustment block 5 until the bottom of the adjustment block 5 presses the top of the lower bending block 2, and the lower bending block 2 is rotated toward the upper bending block 1, so that the angle between the lower bending block 2 and the upper bending block 1 becomes smaller, and then the part to be bent can be bent for the second time.

[0039] The rotatable and adjustable anti-rebound bending block structure in the present application can conveniently adjust the downward movement distance of the adjusting block 5 by setting the side push block 4 and the adjusting block 5, so that the adjusting block 5 can push the lower bending block 2 to rotate toward the upper bending block 1 with the rotating shaft 201 as the center, so as to facilitate the adjustment of the angle between the lower bending block 2 and the upper bending block 1, change the radius of the parts to be bent, and remove the rebound force. The debugging method is simple, which reduces a lot of repetitive manual labor and effectively improves the bending work efficiency.

[0040] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0041] It should be noted that, in this application, 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 such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0042] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A rotatable and adjustable anti-rebound bending block structure, characterized in that: include: A bending assembly, the bending assembly comprising an upper bending block (1) and a lower bending block (2) arranged alternately up and down, wherein one side of the lower bending block (2) is provided with a lower die floating block (3) for placing a part to be bent and receiving the downward pressure of the upper bending block (1); An adjustment component, the adjustment component comprising a side push block (4) which is laterally arranged on one side above the upper bending block (1) and can be laterally translated, and an adjustment block (5) whose top contacts the free end of the side push block (4) and can float up and down according to the lateral translation of the side push block (4); a rotating shaft (201) is arranged at the bottom of the lower bending block (2), so that when the adjustment block (5) descends and presses the top of the lower bending block (2), the lower bending block (2) is pushed to rotate toward the upper bending block (1) with the rotating shaft (201) as the center.

2. A rotatable and adjustable anti-rebound bending block structure as claimed in claim 1, characterized in that: The lower mold floating block (3) comprises a floating block (301) located below the upper bending block (1) and a first spring (302) located at the bottom of the floating block (301).

3. A rotatable and adjustable anti-rebound bending block structure as claimed in claim 2, characterized in that: A second spring (303) for resetting the lower bending block (2) is disposed transversely in the floating block (301); the second spring (303) is located above the first spring (302), and one end of the second spring (303) passes through the side of the floating block (301) and contacts the side of the lower bending block (2).

4. The rotatable and adjustable anti-rebound bending block structure according to claim 1, characterized in that: The side thrust block (4) comprises a vertical rod (401) and a horizontal rod (402) vertically arranged at the center point of the vertical rod (401).

5. The rotatable and adjustable anti-rebound bending block structure according to claim 4, characterized in that: The adjustment assembly also includes an upper pad (6), and the horizontal rod (402) enters the upper pad (6) laterally.

6. The rotatable and adjustable anti-rebound bending block structure according to claim 5, characterized in that: The free end of the horizontal rod (402) is provided with a first inclined surface (403), and the top of the adjustment block (5) is provided with a second inclined surface (501) which is in contact with the first inclined surface (403).

7. A rotatably adjustable anti-rebound bending block structure as claimed in claim 6, characterized in that: Two adjustment bolts (404) for adjusting the lateral translation distance of the vertical rod (401) are arranged transversely on the vertical rod (401).

8. The rotatable and adjustable anti-rebound bending block structure according to claim 7, characterized in that: The adjusting bolts (404) are arranged at two ends of the vertical rod (401) relative to each other, the rod body of the adjusting bolt (404) passes through the vertical rod (401), and one end of the adjusting bolt (404) passes through the vertical rod (401) and enters the upper pad (6).

9. The rotatable and adjustable anti-rebound bending block structure according to claim 1, characterized in that: A third spring (502) for resetting the adjusting block (5) is arranged on the top of the adjusting block (5).

10. The rotatable and adjustable anti-rebound bending block structure according to claim 9, characterized in that: The bottom of the adjusting block (5) is provided with a third inclined surface (503) facing the lower bending block (2).

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