Guiding type multifunctional traceless bending structure in hardware mold

Abstract

The utility model relates to the technical field of bending dies, in particular to a guide type multifunctional traceless bending structure in a hardware die, which comprises a lower die plate, a pressure plate, a stop plate, an upper guide block, a lower guide block, a coating rotating shaft and a traceless bending swing block, a lower cushion plate is arranged at the upper end of a lower die holder, and the lower die plate is arranged at the upper end of the lower cushion plate. A pressing plate is arranged at the upper end of the lower die plate, a product is fixed between the lower die plate and the pressing plate, a stopping plate is arranged at the upper end of the pressing plate, a traceless bending swing block is arranged above the right side of the pressing plate, one end of the traceless bending swing block is rotationally connected with an upper guide block through a coating rotating shaft, and the upper end of the upper guide block is fixed to the lower end of an upper clamping plate. Compared with the prior art, the angle springback and fillet springback of a product can be adjusted and controlled, and the appearance requirement and the size requirement of the product are both considered.

Description

Technical Field

[0001] The utility model relates to the technical field of bending moulds, in particular to a guiding multifunctional traceless bending structure in a hardware mould. Background Art

[0002] During the bending process of hardware molds, creases often appear on the bent products. The bending strength of products with creases will decrease, and problems often occur in subsequent operations. Therefore, these products with creases will be treated as defective products and cannot be put into use, resulting in a waste of resources. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a guided multifunctional seamless bending structure in a hardware mold, wherein the product is fixed by a pressing plate, and then the seamless bending pendulum block is used to pre-bend the product by utilizing the principle of a lever, and during the downward movement of the punch press, the seamless bending pendulum block controls the large-angle bending rebound until the punch press reaches the dead point, thereby completing the seamless bending process.

[0004] To achieve the above purpose, a guided multifunctional seamless bending structure in a hardware mold comprises an upper support plate and a lower support plate, wherein a lower support plate is arranged below the upper support plate, the lower end of the upper support plate is connected to an upper die seat, an upper clamping plate is arranged at the lower end of the upper die seat, a lower pad is arranged below the upper clamping plate, a seamless bending structure is arranged between the upper clamping plate and the lower pad, one end of an external independent guide column is arranged at the lower end of the upper die seat, and the other end of the external independent guide column is embedded and connected to the lower die seat, the seamless bending structure comprises a lower template, a pressing plate, a stop plate, an upper guide block, a lower guide block, a coating shaft, and a seamless bending swing block, a lower pad is arranged at the upper end of the lower die seat, and a lower template is arranged at the upper end of the lower pad. A pressing plate is provided at the upper end of the lower template, the product is fixed between the lower template and the pressing plate, a stop plate is provided at the upper end of the pressing plate, a markless bending pendulum block is provided at the upper right side of the pressing plate, one end of the markless bending pendulum block is rotatably connected with the upper guide block through a coating rotating shaft, the upper end of the upper guide block is fixed to the lower end of the upper splint, a lower guide block is provided on the outer side of the markless bending pendulum block, the lower end of the lower guide block is fixed on the lower pad, a chamfered structure is provided on the upper right end of the lower template, an arc groove matching the chamfered structure is provided on the inner side of the markless bending pendulum block, an inclined surface structure 1 is provided on the lower outer side of the markless bending pendulum block, and an inclined surface structure 2 matching the inclined surface structure 1 is provided on the upper inner side of the lower guide block.

[0005] The pressing plate is threadedly connected to one end of the inner guide column, and the inner guide column passes through the stop plate and the other end of the upper clamping plate and is threadedly connected to the upper die base. The pressing plate, the upper die base, the stop plate and the upper clamping plate are provided with threaded through holes for the inner guide column to pass through.

[0006] One end of the inner positioning block is embedded in the lower template, and the other end of the inner positioning block passes through the product and is embedded in the connecting pressing plate.

[0007] The internal thread of the upper die seat is connected to one end of the equal height sleeve screw, and the other end of the equal height sleeve screw passes through the upper clamping plate and is threadedly connected to the stop plate. The upper die seat and the upper clamping plate are provided with threaded through holes for the equal height sleeve screw to pass through.

[0008] An upper limit column is arranged at the lower end of the upper die seat.

[0009] The lower die seat end is provided with a lower limit column matched with the upper limit column.

[0010] The upper supporting plate is connected with the pressing plate through a spring, and holes for the spring to pass through are arranged on the upper die seat, the upper clamping plate and the stop plate.

[0011] The upper end of the upper die seat is connected to the upper support plate through an upper pad foot, and the lower end of the lower die seat is connected to the lower support plate through a lower pad foot.

[0012] Compared with the prior art, the utility model can adjust and control the angle rebound and rounded corner rebound of the product, taking into account both the appearance requirements and the size requirements of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the mold opening state of the utility model.

[0014] Figure 2 It is a schematic diagram of the intermediate state of the utility model.

[0015] Figure 3 It is a schematic diagram of the closed mold state of the utility model.

[0016] Figure 4 It is a top view of the bent product.

[0017] Figure 5 It is a side view of the bent product.

[0018] See also Figures 1 to 3 , 1 is a pressing plate, 2 is a lower template, 3 is a coating shaft, 4 is a seamless bending swing block, 5 is an upper guide block, 6 is a lower guide block, 7 is an upper support plate, 8 is an upper pad, 9 is an upper die seat, 10 is an upper splint, 11 is a stop plate, 12 is a lower pad, 13 is a lower die seat, 14 is a lower pad, 15 is a lower support plate, 16 is an outer independent guide column, 17 is an inner guide column, 18 is an equal height sleeve screw, 19 is a spring, 20 is an inner positioning block, 21 is an upper limit column, 22 is a lower limit column, 23 is a product, 24 is a rounded structure, 25 is an arc groove, 26 is a slope structure one, and 27 is a slope structure two. DETAILED DESCRIPTION

[0019] The utility model is further described below with reference to the accompanying drawings.

[0020] like Figures 1 to 3As shown, a lower support plate 15 is provided below the upper support plate 7, the lower end of the upper support plate 7 is connected to the upper die base 9, an upper clamping plate 10 is provided at the lower end of the upper die base 9, a lower pad 12 is provided below the upper clamping plate 10, a seamless bending structure is provided between the upper clamping plate 10 and the lower pad 12, an outer independent guide column 16 is provided at the lower end of the upper die base 9, and the other end of the outer independent guide column 16 is embedded in and connected to the lower die base 13, the seamless bending structure comprises a lower template 2, a pressing plate 1, a stop plate 11, an upper guide block 5, a lower guide block 6, a coating shaft 3, a seamless bending swing block 4, a lower die base 13 is provided with a lower pad 12 at the upper end, a lower template 2 is provided at the upper end of the lower pad 12, and a pressing plate 1 is provided at the upper end of the lower template 2. 23 products are fixed on Between the lower template 2 and the pressing plate 1, a stop plate 11 is provided at the upper end of the pressing plate 1, and a seamless bending pendulum block 4 is provided on the upper right side of the pressing plate 1. One end of the seamless bending pendulum block 4 is rotatably connected with the upper guide block 5 through the coating rotating shaft 3. The upper end of the upper guide block 5 is fixed to the lower end of the upper clamping plate 10. A lower guide block 6 is provided on the outer side of the seamless bending pendulum block 4. The lower end of the lower guide block 6 is fixed on the lower pad 12. A chamfered structure 24 is provided on the upper right end of the lower template 2, and an arc groove 25 matching the chamfered structure 24 is provided on the inner side of the seamless bending pendulum block 4. A slope structure 26 is provided on the lower outer side of the seamless bending pendulum block 4, and a slope structure 27 matching the slope structure 26 is provided on the upper inner side of the lower guide block 6.

[0021] The pressing plate 1 is threadedly connected to one end of the inner guide column 17 upward, and the inner guide column 17 passes through the stop plate 11 and the upper clamping plate 10 and is threadedly connected to the upper die base 9 at the other end. The pressing plate 1, the upper die base 9, the stop plate 11 and the upper clamping plate 10 are provided with threaded through holes for the inner guide column 17 to pass through.

[0022] One end of the inner positioning block 20 is embedded in the lower template 2, and the other end of the inner positioning block 20 passes through the product 23 and is embedded in the connecting pressing plate 1. During operation, the inner positioning block 20 fixes the product 23 on the lower template 2.

[0023] The upper die seat 9 is internally threadedly connected to one end of a sleeve screw 18 of equal height, and the other end of the sleeve screw 18 passes through the upper clamping plate 10 and is threadedly connected to the stop plate 11. The upper die seat 9 and the upper clamping plate 10 are provided with threaded through holes for the sleeve screw 18 of equal height to pass through.

[0024] An upper limit post 21 is provided at the lower end of the upper die seat 9 .

[0025] A lower limit post 22 matching with the upper limit post 21 is provided at the end of the lower die base 13 .

[0026] The upper supporting plate 7 is connected to the pressing plate 1 by a spring 19. The upper die base 9, the upper clamping plate 10 and the stop plate 11 are provided with holes for the spring 19 to pass through, and the spring 19 plays a role of downward pressure buffer.

[0027] The upper end of the upper die base 9 is connected to the upper support plate 7 through the upper pad foot 8 , and the lower end of the lower die base 13 is connected to the lower support plate 15 through the lower pad foot 14 .

[0028] During the specific implementation of the utility model, the technician places the product 23 on the lower template 2, fixes the product 23 on the lower template 2 through the inner positioning block 20, and because the hole position of the lower template 2 and the pressing plate 1 is fixed, the inner positioning block 20 also plays a positioning role, starts the device, the punch press moves downward, the pressing plate 1 contacts and presses one end of the product 23 to fix the product 23 on the lower template 2, the punch press continues to move downward, the markless bending pendulum block 4 contacts the other end of the product 23, and the markless bending pendulum block 4 is guided and squeezed by the upper guide block 5 and the lower guide block 6 around the coating shaft 3, and the lever principle is used to The product 23 is pre-bent downward without a mark, and the punch press continues to move downward. The inclined surface structure 1 26 of the markless bending pendulum block 4 cooperates with the inclined surface structure 2 27 on the lower guide block to rotate the markless bending pendulum block 4 inward until the internal arc groove 25 of the markless bending pendulum block 4 presses down to fit the product 23 with the chamfered corner structure 24 on the upper right end of the lower template 2. The spring 19, the upper limit column 21, and the lower limit column 22 provide buffering. The punch press moves downward to the bottom dead center, and the product 23 is finally bent without a mark. The bending process can adjust and control the angle rebound and fillet rebound of the product, taking into account the product appearance requirements and size requirements.

Claims

1. A guided multifunctional seamless bending structure in a hardware mold, comprising an upper support plate and a lower support plate, characterized in that: A lower support plate (15) is provided below the upper support plate (7), the lower end of the upper support plate (7) is connected to the upper die base (9), the lower end of the upper die base (9) is provided with an upper clamping plate (10), a lower pad (12) is provided below the upper clamping plate (10), a seamless bending structure is provided between the upper clamping plate (10) and the lower pad (12), the lower end of the upper die base (9) is provided with one end of an external independent guide column (16), the other end of the external independent guide column (16) is embedded and connected to the lower die base (13), the seamless bending structure comprises a lower template (2), a pressing plate (1), a stop plate (11), an upper guide block (5), a lower guide block (6), a coating shaft (3), and a seamless bending swing block (4), the upper end of the lower die base (13) is provided with a lower pad (12), the upper end of the lower pad (12) is provided with a lower template (2), and the upper end of the lower template (2) is provided with a pressing plate (1), (23) product The lower template (2) is fixed between the lower template (2) and the pressing plate (1). A stop plate (11) is provided at the upper end of the pressing plate (1). A seamless bending swing block (4) is provided at the upper right side of the pressing plate (1). One end of the seamless bending swing block (4) is rotatably connected to the upper guide block (5) through a coating rotating shaft (3). The upper end of the upper guide block (5) is fixed to the lower end of the upper clamping plate (10). A lower guide block (6) is provided at the outer side of the seamless bending swing block (4). The lower end of the lower guide block (6) is fixed to the lower pad (12). A chamfered structure (24) is provided at the upper right end of the lower template (2). An arc groove (25) matching the chamfered structure (24) is provided at the inner side of the seamless bending swing block (4). An inclined surface structure 1 (26) is provided at the lower outer side of the seamless bending swing block (4). An inclined surface structure 2 (27) matching the inclined surface structure 1 (26) is provided at the upper inner side of the lower guide block (6).

2. The guided multifunctional seamless bending structure in a hardware mold according to claim 1, characterized in that: The pressing plate (1) is threadedly connected to one end of the inner guide pin (17) upwards, and the inner guide pin (17) passes through the stop plate (11) and the upper clamping plate (10) and is threadedly connected to the upper die base (9) at the other end. The pressing plate (1), the upper die base (9), the stop plate (11) and the upper clamping plate (10) are provided with threaded through holes for the inner guide pin (17) to pass through.

3. The guided multifunctional seamless bending structure in a hardware mold according to claim 1, characterized in that: One end of the inner positioning block (20) is embedded in the lower template (2), and the other end of the inner positioning block (20) passes through the product (23) and is embedded in the connection press plate (1).

4. The guided multifunctional seamless bending structure in a hardware mold according to claim 1, characterized in that: The upper die seat (9) is internally threadedly connected to one end of a sleeve screw (18), and the other end of the sleeve screw (18) passes through the upper clamping plate (10) and is threadedly connected to the stop plate (11). The upper die seat (9) and the upper clamping plate (10) are provided with threaded through holes for the sleeve screw (18) to pass through.

5. The guided multifunctional seamless bending structure in a hardware mold according to claim 1, characterized in that: An upper limit column (21) is provided at the lower end of the upper die seat (9).

6. The guided multifunctional seamless bending structure in a hardware mold according to claim 1, characterized in that: The end of the lower die base (13) is provided with a lower limit post (22) which matches the upper limit post (21).

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