A steel plate bending and stiffening die

Abstract

The present invention discloses a steel plate bending and stiffening die, which includes an upper die base, an upper die, a lower die, and a lower die core. The upper die is provided at the lower end of the upper die base, and the upper die is detachably connected to the upper die base. A number of lower die core installation socket grooves that can cooperate with the lower die core are provided on the side of the lower die, and the lower die core is detachably installed in the lower die core installation socket grooves. Through the cooperation of the upper die and the lower die, the steel plate can be directly bent by 135 °C in the present invention. By arranging the cooperation of the lower die core and the die, bending and stiffening can be formed simultaneously at the bent part of the steel plate, increasing the strength of the bent steel plate and avoiding the deformation of the steel plate. Two working surfaces are symmetrically made on the die core, and when one surface is worn, the other working surface can be replaced, increasing the service life of the die.

Description

Technical Field

[0001] The present invention relates to the technical field of molds, in particular to the technical field of steel plate bending and stiffening molds.

Background Art

[0002] At present, sheet metal parts are important components in fields such as machinery. Sheet metal is a comprehensive cold working process for metal sheets, including shearing, punching / cutting / combining, folding, welding, riveting, splicing, forming, etc. Its remarkable feature is that the thickness of the same part is consistent. The products processed by sheet metal technology are called sheet metal parts. To ensure the strength of sheet metal parts, stiffeners are often set at the folding corners of sheet metal parts to ensure the stability of sheet metal parts, thereby avoiding deformation. By designing a steel plate bending and stiffening mold to meet the requirement of bending a steel plate into a 135° angle and simultaneously forming a stiffener to increase the strength after bending.

Summary of the Invention

[0003] The purpose of the present invention is to solve the problems in the prior art, and propose a steel plate bending and stiffening mold, which can directly bend a steel plate by 135 °C, and at the same time form a bending and stiffening, increasing the strength of the bending. The mold core is symmetrically made with two working surfaces, and when one surface is worn, the other working surface can be replaced.

[0004] To achieve the above purpose, the present invention proposes a steel plate bending and stiffening mold, including an upper die base, an upper die, a lower die, and a lower die core. The lower end of the upper die base is provided with an upper die, and the upper die is detachably connected to the upper die base. The side of the lower die is provided with a plurality of lower die core installation socket grooves that can cooperate with the lower die core, and the lower die core is detachably installed in the lower die core installation socket grooves.

[0005] Preferably, the lower end of the upper die is provided with an upper die bending edge, and the included angle between the two side edges of the upper die bending edge is 135°.

[0006] Preferably, the upper end of the lower die is provided with a lower die bending groove that can cooperate with the upper die bending edge. The included angle between the two side edges of the lower die bending groove is 135°. The lower die core installation socket groove communicates with the lower end of the lower die bending groove, and the upper end of the lower die core can protrude from the communication position between the lower die core installation socket groove and the lower end of the lower die bending groove.

[0007] Preferably, the lower end of the upper die base is provided with an upper die installation card slot that can cooperate with the upper end of the upper die. The upper end of the upper die is arranged in the upper die installation card slot. A plurality of bolt fixing through holes are arranged in the upper die installation card slot, and a plurality of threaded holes that can cooperate with the bolt fixing through holes are arranged at the upper end of the upper die. The upper die base and the upper die are fixedly connected by a plurality of bolts passing through the bolt fixing through holes and the threaded holes.

[0008] Preferably, the upper and lower ends of the lower die core are respectively provided with a first ribbed working surface and a second ribbed working surface. The first ribbed working surface and the second ribbed working surface have the same shape and structure, and the first ribbed working surface and the second ribbed working surface are symmetrically arranged around the center of the lower die core. When any one of the first ribbed working surface and the second ribbed working surface is worn, it can be flipped to replace the other working surface and continue to work.

[0009] Preferably, one end of the side of the lower die core is provided with a pull tab.

[0010] Preferably, the lower end of the upper die is provided with a plurality of upper die grooves that can cooperate with the lower die core.

[0011] The beneficial effects of a steel plate bending and ribbing die of the present invention: Through the cooperation of the upper die and the lower die, the steel plate can be directly bent at 135°C. By setting the lower die core to cooperate with the die, ribbing can be formed at the same time at the bent part of the steel plate, increasing the strength of the bent steel plate and avoiding deformation of the steel plate. The die core is symmetrically made with two working surfaces, and when worn, the other working surface can be replaced, increasing the service life of the die.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a perspective view of a structural schematic diagram of a steel plate bending and ribbing die of the present invention;

[0014] Figure 2 is another perspective view of a structural schematic diagram of a steel plate bending and ribbing die of the present invention;

[0015] Figure 3 is a front view of a structural schematic diagram of a steel plate bending and ribbing die of the present invention;

[0016] Figure 4 is a sectional view of a structural schematic diagram of a steel plate bending and ribbing die of the present invention;

[0017] Figure 5 is a structural schematic diagram of the lower die core of a steel plate bending and ribbing die of the present invention.

[0018] In the figure: 1 - upper die seat, 2 - upper die, 3 - bending plate, 4 - lower die, 5 - lower die core, 6 - bolt, 11 - upper die installation slot, 21 - threaded hole, 22 - upper die bending edge, 23 - upper die groove, 41 - lower die core installation socket slot, 42 - lower die bending groove, 51 - first ribbed working surface, 52 - second ribbed working surface, 53 - pull tab, 111 - bolt fixing through hole.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessarily confusing the concepts of the present invention.

[0020] Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a steel plate bending and stiffening die of the present invention includes an upper die base 1, an upper die 2, a lower die 4, and a lower die core 5. The lower end of the upper die base 1 is provided with the upper die 2, and the upper die 2 is detachably connected to the upper die base 1. A plurality of lower die core installation socket grooves 41 that can cooperate with the lower die core 5 are provided on the side of the lower die 4. The lower die core 5 is detachably installed in the lower die core installation socket grooves 41. The lower end of the upper die 2 is provided with an upper die bending edge 22, and the included angle between the two side edges of the upper die bending edge 22 is 135°. The upper end of the lower die 4 is provided with a lower die bending groove 42 that can cooperate with the upper die bending edge 22, and the included angle between the two side edges of the lower die bending groove 42 is 135°. The lower die core installation socket grooves 41 communicate with the lower end of the lower die bending groove 42. The upper end of the lower die core 5 can protrude from the connection between the lower die core installation socket grooves 41 and the lower end of the lower die bending groove 42. The lower end of the upper die base 1 is provided with an upper die installation card slot 11 that can cooperate with the upper end of the upper die 2. The upper end of the upper die 2 is arranged in the upper die installation card slot 11. A plurality of bolt fixing through holes 111 are provided in the upper die installation card slot 11. A plurality of threaded holes 21 that can cooperate with the bolt fixing through holes 111 are provided at the upper end of the upper die 2. The upper die base 1 and the upper die 2 are fixedly connected by a plurality of bolts 6 passing through the bolt fixing through holes 111 and the threaded holes 21. The upper and lower ends of the lower die core 5 are respectively provided with a first stiffening working surface 51 and a second stiffening working surface 52. The first stiffening working surface 51 and the second stiffening working surface 52 have the same shape and structure. The first stiffening working surface 51 and the second stiffening working surface 52 are symmetrically arranged around the center of the lower die core 5. When any one of the first stiffening working surface 51 and the second stiffening working surface 52 is worn, it can be flipped to replace the other working surface and continue to work. One end of the side of the lower die core 5 is provided with a pull ear 53, and a plurality of upper die grooves 23 that can cooperate with the lower die core 5 are provided at the lower end of the upper die 2.

[0021] The working process of the present invention:

[0022] During the working process of a steel plate bending and stiffening die according to the present invention, a steel plate to be bent is placed between the upper die 2 and the lower die 4. The upper die 2 and the lower die 4 are clamped, and the steel plate is bent at a bending angle of 135°. The stiffening working surface at the upper end of the lower die core 5 cooperates with the upper die groove 23, so that a reinforcing rib can be formed at the bent part of the steel plate, increasing the strength of the bent steel plate and avoiding deformation of the steel plate. The lower die core 5 is designed with two working surfaces, namely a first stiffening working surface 51 and a second stiffening working surface 52. If one surface is worn, the other surface can be replaced for working, increasing the service life of the die.

[0023] The above embodiments are illustrative of the present invention, rather than limiting the present invention. Any solution obtained by simply transforming the present invention falls within the protection scope of the present invention.

Claims

1. A steel plate bending and stiffening die, characterized in that: It includes an upper die holder (1), an upper die (2), a lower die (4), and a lower die core (5). The lower end of the upper die holder (1) is provided with the upper die (2), and the upper die (2) is detachably connected to the upper die holder (1). A number of lower die core installation socket grooves (41) that can cooperate with the lower die core (5) are provided on the side of the lower die (4), and the lower die core (5) is detachably installed in the lower die core installation socket grooves (41). The upper and lower ends of the lower die core (5) are respectively provided with a first ribbed working surface (51) and a second ribbed working surface (52). The first ribbed working surface (51) and the second ribbed working surface (52) have the same shape and structure, and the first ribbed working surface (51) and the second ribbed working surface (52) are symmetrically arranged around the center of the lower die core (5). When any one of the first ribbed working surface (51) and the second ribbed working surface (52) is worn, it can be flipped to replace the other working surface and continue to work. One end of the side of the lower die core (5) is provided with a pull tab (53).

2. The steel plate bending and stiffening die according to claim 1, characterized in that: The lower end of the upper die (2) is provided with an upper die bending edge (22), and the included angle between the two side edges of the upper die bending edge (22) is 135°.

3. A steel plate bending and stiffening die according to claim 2, characterized in that: The upper end of the lower die (4) is provided with a lower die bending groove (42) that can cooperate with the upper die bending edge (22). The included angle between the two side edges of the lower die bending groove (42) is 135°. The lower die core installation socket grooves (41) communicate with the lower end of the lower die bending groove (42), and the upper end of the lower die core (5) can protrude from the connection between the lower die core installation socket grooves (41) and the lower end of the lower die bending groove (42).

4. A steel plate bending and stiffening die according to claim 1, characterized in that: The lower end of the upper die holder (1) is provided with an upper die installation slot (11) that can cooperate with the upper end of the upper die (2). The upper end of the upper die (2) is arranged in the upper die installation slot (11). A number of bolt fixing through holes (111) are provided in the upper die installation slot (11), and a number of threaded holes (21) that can cooperate with the bolt fixing through holes (111) are provided at the upper end of the upper die (2). The upper die holder (1) and the upper die (2) are fixedly connected by a number of bolts (6) passing through the bolt fixing through holes (111) and the threaded holes (21).

5. The steel plate bending and stiffening die according to claim 1, characterized in that: The lower end of the upper die (2) is provided with a number of upper die grooves (23) that can cooperate with the lower die core (5).

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