Side wall convex hull punching die

Abstract

The utility model relates to the technical field of stamping dies, in particular to a side wall convex hull punching die which comprises a lower die base and an upper die base, a supporting base used for placing a product is arranged on the lower die base, a product pressing plate right opposite to the supporting base is arranged on the upper die base, and a wedge base connected with the supporting base is arranged on the lower die base. And a stamping tapered wedge in sliding fit is arranged on the tapered wedge base. The supporting seat can facilitate rapid charging and taking of products, and the machining efficiency is improved; in the machining process, a product is pressed and positioned through the product pressing plate, it is guaranteed that in the process that the product enters a forming position and the upper die base continuously descends, the wedge driving block gradually makes contact with the punching wedge, the lower die base enables vertical driving force to rotate into horizontal driving force, convex hull punching can be conducted on the product under the action of the punch, and the machining precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a side wall convex hull punching die. Background Art

[0002] The product has a convex bulge on the side wall and a punched hole on the bulge. It is widely used in various products that need to increase strength, impact resistance and reduce weight.

[0003] For example, this product is often used in automobile body structures. The convex design of the side wall can increase the rigidity and impact resistance of the body, and the punching on the convex can reduce the weight of the body without affecting its strength; in household appliances, such as refrigerators, washing machines, etc., the side walls may also have a convex design to increase their rigidity and impact resistance.

[0004] In the process of stamping the side wall of the product by the traditional stamping die, the side wall of the product to be processed needs to be arranged on the front of the die and the die is inserted, so that the punch can be directly driven by the press to stamp the product. Since there is a negative angle in half of the convex hull, the accuracy of the punch is difficult to guarantee, and it is inconvenient to load and remove the product. Utility Model Content

[0005] The utility model aims at the technical problems existing in the prior art and provides a side wall convex hull punching die to solve the problem that the convex hull punching processing accuracy of the above-mentioned product is difficult to ensure.

[0006] The utility model provides a technical solution to the above-mentioned technical problems as follows: a side wall convex bulge punching die, comprising a lower die base and an upper die base, the lower die base being provided with a support base for placing products, the upper die base being provided with a product pressing plate facing the support base, the lower die base being provided with an inclined wedge base connected to the support base; the inclined wedge base being provided with a slidably fitted stamping inclined wedge, and an inclined wedge movable connecting piece connected to the stamping inclined wedge; a punch is provided on one side of the stamping inclined wedge facing the support base, and a first guiding inclined ramp surface is formed on the other side; a inclined wedge driving block is provided on the upper die base, and a first driving inclined ramp surface matching the first guiding inclined ramp surface is formed on the inclined wedge driving block.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, a reset groove is formed on the side of the stamped wedge, a reset arm extending toward the reset groove is hingedly connected to the wedge drive block, and a reset protrusion cooperating with the reset groove is formed at the end of the reset arm;

[0009] When the wedge drive block moves downward, the stamping wedge moves horizontally, and the reset arm drives the reset protrusion to slide along the reset groove;

[0010] When the inclined wedge driving block moves upward, the reset arm drives the reset protrusion to slide back along the reset groove to reset the stamping inclined wedge.

[0011] Furthermore, the inclined wedge movable connecting member is a first L-shaped guide rail arranged along the sliding direction of the stamped inclined wedge.

[0012] Furthermore, the lower die base is also provided with a base movable connecting piece for the sliding of the inclined wedge base; the inclined wedge drive block is formed with a second driving slope surface on the other side of the first driving slope surface; the inclined wedge base is also equipped with an interactive inclined wedge adjacent to the stamping inclined wedge, and the interactive inclined wedge is formed with a second guide slope surface matching the second driving slope surface.

[0013] Furthermore, the base movable connecting member is a second L-shaped guide rail arranged along the sliding direction of the inclined wedge base.

[0014] Furthermore, the first driving ramp surface is provided with replaceable wear-resistant parts.

[0015] Furthermore, a return spring is provided in the lower die seat and arranged along the sliding direction of the inclined wedge base.

[0016] Furthermore, a forming hole corresponding to the punch is opened on the side wall of the support seat, and a material channel connected to the forming hole is reserved in its inner cavity; a material discharge trough docking with the material channel is also installed on the lower die seat.

[0017] In addition, compared with the prior art, the side wall convex bulge punching die provided by the utility model has at least the following beneficial effects: the support seat can facilitate the rapid loading and unloading of products, thereby improving processing efficiency; during the processing, the product is pressed and positioned by the product pressure plate to ensure that the product enters the forming position, and as the upper die seat continues to descend, the inclined wedge drive block gradually contacts the stamping inclined wedge, and the lower die seat rotates the vertical driving force into a horizontal driving force, and the convex bulge punching of the product can be completed under the action of the punch, thereby ensuring processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model from another perspective;

[0020] Figure 3 This is an internal cross-sectional view of the utility model;

[0021] Figure 4 For this utility model Figure 1 The enlarged view of point A in the middle;

[0022] Figure 5 For this utility model Figure 2 The enlarged view of point B in the middle;

[0023] Figure 6 For this utility model Figure 3 Enlarged view of point C in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Lower die base, 2. Upper die base, 3. Support base, 3.1. Forming hole, 3.2. Material channel, 4. Product pressing plate, 5. Wedge base, 6. Stamping wedge, 6.1. First guide ramp surface, 6.2. Reset groove, 7. Punch, 8. Wedge drive block, 8.1. First drive ramp surface, 8.2. Second drive ramp surface, 9. Reset arm, 9.1. Reset protrusion, 10. First L-shaped guide rail, 11. Interactive wedge, 11.1. Second guide ramp surface, 12. Second L-shaped guide rail, 13. Wear-resistant parts, 14. Reset spring, 15. Material chute. DETAILED DESCRIPTION

[0026] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0027] It should be noted that, 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 integrally formed structure. For ordinary technicians in this field, the specific meanings of such terms in this patent can be understood according to specific circumstances.

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, the side wall convex bulge punching die of the practical design comprises a lower die base 1 and an upper die base 2, the upper die base 2 is used to connect the driving mechanism of the pressure equipment; the lower die base 1 is provided with a support base 3 for placing the product, the upper die base 2 is provided with a product pressing plate 4 facing the support base 3, and the product pressing plate 4 has a built-in nitrogen spring to elastically support the product; the lower die base 1 is provided with an inclined wedge base 5 connected to the support base 3; the inclined wedge base 5 is provided with a sliding-fitting stamping inclined wedge 6, and an inclined wedge movable connecting part connected to the stamping inclined wedge 6; the stamping inclined wedge 6 is provided with a punch 7 on one side facing the support base 3, and a first guide ramp surface 6.1 is formed on the other side; the upper die base 2 is provided with an inclined wedge driving block 8, and the inclined wedge driving block 8 is formed with a first driving ramp surface 8.1 matching the first guide ramp surface 6.1.

[0029] In this embodiment, the product to be processed is placed on the support seat 3, and the upper die seat 2 is driven downward to press and position the product through the product pressing plate 4; during the continuous downward movement of the upper die seat 2, the wedge driving block 8 gradually contacts the stamping wedge 6, and the first driving slope surface 8.1 slides relative to the first guide slope surface 6.1, and the lower die seat 1 rotates the vertical driving force into a horizontal driving force, driving the stamping wedge 6 to approach the support seat 3, and under the action of the punch 7, the convex punching of the product can be completed, thereby ensuring the processing accuracy, and after the shaping is completed, the upper die seat 2 can be quickly removed and the product can be quickly taken out.

[0030] As an implementation method, Figure 4 As shown, the stamping wedge 6 is provided with a reset groove 6.2 on the side, the wedge drive block 8 is hinged with a reset arm 9 extending toward the reset groove 6.2, and the end of the reset arm 9 is formed with a reset protrusion 9.1 that cooperates with the reset groove 6.2;

[0031] When the wedge drive block 8 moves downward, the stamping wedge 6 moves horizontally, and the reset arm 9 drives the reset protrusion 9.1 to slide along the reset groove 6.2;

[0032] When the wedge driving block 8 moves upward, the reset arm 9 drives the reset protrusion 9.1 to slide back along the reset groove 6.2, so as to reset the stamping wedge 6.

[0033] In this embodiment, the reset arm 9 ensures that when the wedge driving block 8 moves upward, it can pull the stamping wedge 6 to reset, so that the punch 7 can be separated from the product, which is convenient for material removal.

[0034] Specifically, Figure 5 As shown, the inclined wedge movable connection member is a first L-shaped guide rail 10 arranged along the sliding direction of the stamping inclined wedge 6 to accurately limit the sliding direction of the stamping inclined wedge 6 and ensure processing accuracy.

[0035] As an embodiment, the lower die base 1 is also provided with a base movable connecting piece for the sliding of the inclined wedge base 5; the inclined wedge drive block 8 is formed with a second driving slope surface 8.2 on the other side of the first driving slope surface 8.1; the inclined wedge base 5 is also equipped with an interactive inclined wedge 11 adjacent to the stamping inclined wedge 6, and a second guide slope surface 11.1 matching the second driving slope surface 8.2 is formed on the interactive inclined wedge 11; during the downward movement of the inclined wedge drive block 8, it first drives the stamping inclined wedge 6 to stamp the product, and then in the final stage of the stamping stroke, the second guide slope surface 11.1 cooperates with the second driving slope surface 8.2 to drive the inclined wedge base 5 to slide relative to the stamping inclined wedge 6, so that the support seat 3 and the punch 7 produce relative movement, which promotes the smooth falling off of the waste after stamping.

[0036] Specifically, the base movable connecting member is a second L-shaped guide rail 12 arranged along the sliding direction of the inclined wedge base 5 to accurately limit the sliding direction of the inclined wedge base 5 and ensure processing accuracy.

[0037] As an embodiment, the first driving ramp surface 8.1 is provided with a replaceable wear-resistant part 13, and the wear-resistant part 13 can be made of a material with high hardness, high wear resistance and other characteristics, such as tungsten carbide, high-speed steel, manganese steel, chrome steel, chrome-manganese steel, chrome-nickel steel, silicon steel, etc.

[0038] In addition, a reset spring 14 is disposed in the lower die base 1 and arranged along the sliding direction of the inclined wedge base 5 to promote the automatic reset of the inclined wedge base 5 after the shaping is completed.

[0039] As an embodiment, the side wall of the support seat 3 is provided with a forming hole 3.1 corresponding to the punch 7, and its inner cavity is reserved with a material channel 3.2 connected to the forming hole 3.1; the lower die seat 1 is also equipped with a discharge trough 15 connected to the material channel 3.2, and the stamping process is completed by the cooperation of the punch 7 and the forming hole 3.1, and the waste material can fall into the discharge trough 15 along the material channel 3.2.

[0040] It should be noted that, in this article, the terms "include", "comprises" or any other variations 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 includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. 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 the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0041] Although the preferred embodiments of the utility model have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the utility model.

[0042] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A side wall convex hump punching die, comprising a lower die base (1) and an upper die base (2), wherein the lower die base (1) is provided with a support base (3) for placing a product, and the upper die base (2) is provided with a product pressing plate (4) facing the support base (3), characterized in that: The lower die seat (1) is provided with an inclined wedge base (5) connected to the support seat (3); the inclined wedge base (5) is provided with a slidably matched stamping inclined wedge (6) and an inclined wedge movable connecting piece connected to the stamping inclined wedge (6); the stamping inclined wedge (6) is provided with a punch (7) on one side facing the support seat (3), and a first guiding inclined slope surface (6.1) is formed on the other side; the upper die seat (2) is provided with an inclined wedge driving block (8), and a first driving inclined slope surface (8.1) matching the first guiding inclined slope surface (6.1) is formed on the inclined wedge driving block (8).

2. The side wall convex hull punching die according to claim 1, characterized in that: The stamping wedge (6) is provided with a reset groove (6.2) on the side, the wedge drive block (8) is hinged with a reset arm (9) extending toward the reset groove (6.2), and the end of the reset arm (9) is formed with a reset protrusion (9.1) matching with the reset groove (6.2); When the inclined wedge driving block (8) moves downward, the stamping inclined wedge (6) moves horizontally, and the reset arm (9) drives the reset protrusion (9.1) to slide along the reset groove (6.2); When the inclined wedge driving block (8) moves upward, the reset arm (9) drives the reset protrusion (9.1) to slide back along the reset groove (6.2) to reset the stamping inclined wedge (6).

3. The side wall convex hull punching die according to claim 2, characterized in that: The inclined wedge movable connection piece is a first L-shaped guide rail (10) arranged along the sliding direction of the punched inclined wedge (6).

4. The side wall convex hull punching die according to claim 1, characterized in that: The lower die base (1) is also provided with a base moving connection piece for the sliding of the inclined wedge base (5); the inclined wedge driving block (8) is formed with a second driving inclined slope surface (8.2) on the other side of the first driving inclined slope surface (8.1); the inclined wedge base (5) is also provided with an interactive inclined wedge (11) adjacent to the stamping inclined wedge (6), and the interactive inclined wedge (11) is formed with a second guiding inclined slope surface (11.1) matching the second driving inclined slope surface (8.2).

5. The side wall convex hull punching die according to claim 3, characterized in that: The base movable connection member is a second L-shaped guide rail (12) arranged along the sliding direction of the inclined wedge base (5).

6. The side wall convex hull punching die according to claim 1, characterized in that: The first driving ramp surface (8.1) is provided with a replaceable wear-resistant part (13).

7. The side wall convex hull punching die according to claim 1, characterized in that: The lower die seat (1) is also provided with a return spring (14) arranged along the sliding direction of the inclined wedge base (5).

8. The side wall convex hull punching die according to any one of claims 1 to 7, characterized in that: The side wall of the support seat (3) is provided with a forming hole (3.1) corresponding to the punch (7), and the inner cavity thereof is reserved with a material channel (3.2) connected to the forming hole (3.1); the lower die seat (1) is also provided with a material discharge trough (15) connected to the material channel (3.2).

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