CN211888517U

CN211888517U - Bending die

Info

Publication number: CN211888517U
Application number: CN202020034693.7U
Authority: CN
Inventors: 潘建锋; 徐志宁; 胡珊珊; 张�林; 陈向东
Original assignee: Henan Juntong Vehicle Co ltd
Current assignee: Henan Juntong Vehicle Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-11-10
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a bending die, which comprises an upper die (1) and a lower die (2) which are matched, wherein the upper die (1) comprises a cover plate (11), a first cutter (12) and a second cutter (13) which are arranged on the cover plate (11), and a first groove (14) which is arranged between the first cutter (12) and the second cutter (13) and is arranged on the surface of the cover plate (11); the lower die (2) comprises a base (21), a third cutter (22) and a fourth cutter (23) which are arranged on the base (21), and a second groove (24) which is arranged between the third cutter (22) and the fourth cutter (23) and is arranged on the surface of the base (21); the first cutter (12) and the second groove (24) are arranged correspondingly, and the fourth cutter (23) and the first groove (14) are arranged correspondingly. The utility model discloses a mould of bending can once make the material be the zigzag and bend, compares current bender, and efficiency is higher, and it is more convenient to operate.

Description

Bending die

Technical Field

The utility model relates to the technical field of machining, especially, relate to a mould of bending.

Background

At present, the dump truck mostly adopts a grid type which is shaped like a Chinese character 'tian' and is formed by welding transverse and vertical steel bars. When the carriage plate is impacted, the stress is limited in the welding area, the stress can not be well released, and the weld joint is easy to crack and the carriage plate is easy to deform.

In order to solve the problems, a U-shaped bucket carriage plate bending structure is gradually adopted for replacing at present. However, the bending forming of the U-shaped hopper plate structure uses a single-blade mold to perform the bending processing in the prior art, which has the problems of low efficiency and complicated process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient mould of bending.

In order to achieve the purpose, the utility model provides a bending die, which comprises an upper die and a lower die which are matched, wherein the upper die comprises a cover plate, a first cutter and a second cutter which are arranged on the cover plate, and a first groove which is arranged on the surface of the cover plate and is positioned between the first cutter and the second cutter;

the lower die comprises a base, a third cutter and a fourth cutter which are arranged on the base, and a second groove which is arranged between the third cutter and the fourth cutter and is arranged on the surface of the base;

the first cutter and the second groove are arranged correspondingly, and the fourth cutter and the first groove are arranged correspondingly.

According to one aspect of the present invention, when the upper mold and the lower mold are engaged, the third tool is located outside the upper mold;

the second cutter is positioned on the outer side of the lower die.

According to an aspect of the present invention, the first cutter and the second cutter are symmetrically disposed about the first groove.

According to an aspect of the invention, the third cutter and the fourth cutter are symmetrically arranged with respect to the second groove.

According to an aspect of the present invention, the first cutter and the second cutter are detachably mounted on the upper die.

According to an aspect of the present invention, the third cutter and the fourth cutter are detachably mounted on the lower die.

According to the utility model discloses an aspect, the mould of bending still includes the support, the lower mould supporting is in on the support with the connection can be dismantled to the support.

The utility model discloses a mould of bending can be through the once closure of last mould and lower mould, is bent the material and is the Z style of calligraphy, compares in prior art the single-knife instrument of bending, and efficiency promotes to need the upset material operation, make the operation more simple and convenient.

Drawings

Fig. 1 schematically shows a structural view of a bending die according to an embodiment of the present invention;

fig. 2 schematically shows a structural view of a carriage plate to be processed by using the bending die of the present invention;

FIG. 3 is a schematic view of a side plate of a carriage processed by a bending die according to the present invention;

fig. 4 schematically shows a view of the bending die for processing the platform floor according to the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In describing embodiments of the present invention, the terms "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and other terms are used in an orientation or positional relationship shown in the associated drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not repeated herein, but the present invention is not limited to the following embodiments.

As shown in fig. 1, the bending die of the present invention includes an upper die 1 and a lower die 2 matched with the upper die 1 for use. According to the utility model discloses an embodiment, go up mould 1 and lower mould 2's overall dimension the same. The upper die 1 comprises a cover plate 11, the cover plate 11 is integrally rectangular, a first cutter 12 and a second cutter 13 are mounted on the cover plate 11, and the first cutter 12 and the second cutter 13 are both located on the lower side of the cover plate 11. The cover plate 11 also has a first recess 14 on the underside, and the first recess 14 is located between the first tool 12 and the second tool 13.

The utility model discloses a lower mould 2 includes base 21, and base 21 is whole to be the cuboid form. A third cutter 22 and a fourth cutter 23 are mounted on the base 21, and the third cutter and the fourth cutter 24 are both positioned on the upper side of the base 21. A second groove 24 is also provided on the upper side of the base 21, and the second groove 24 is located between the third tool 22 and the fourth tool 23.

In the bending die of the present invention, the dimensions of the first tool 12, the second tool 13, the third tool 22 and the fourth tool 23 are the same. The cross section of the cutter head is V-shaped. The first groove 14 and the second groove 24 are also the same in size and shape, and the cross section of the grooves is V-shaped. The distance between the first tool 12 and the second tool 13 is equal to the distance between the third tool 22 and the fourth tool 23.

The utility model discloses an among the mould of bending, go up the first cutter 12 second recess 24 of mould 1 and correspond the setting, fourth cutter 23 corresponds the setting with first recess 24. That is, when the upper die 1 and the lower die 2 are fitted, the third tool 22 is located on the outer side of the upper die 1, and the second tool 13 is located on the outer side of the lower die 2, for the staggered fitting. In the process of closing the upper die 1 and the lower die 2, the material can be bent under the action of the first cutter 12, the second cutter 13, the first groove 14, the third cutter 22 and the fourth cutter 23, and the material can be bent into a zigzag shape through one-time closing of the upper die 1 and the lower die 2. The efficiency is higher, and the operation is more convenient.

According to an embodiment of the present invention, the first tool 12 and the second tool 13 are symmetrically arranged with respect to the first groove 14. The third cutter 22 and the fourth cutter 23 are symmetrically arranged with respect to the second groove 24. In the actual bending operation, the shape, length and depth of the first groove 14 and the second groove 24 may be set according to the required bending angle and bending length, and the distance between the first cutter 12 and the second cutter 13 and the distance between the third cutter 22 and the fourth cutter 23 may be adjusted.

According to the utility model discloses an embodiment, right the utility model discloses a mould of bending, first cutter 12 and with second cutter 13 and apron 11 be connected for dismantling, so make the maintenance change convenient. Meanwhile, the first cutter 12 or the second cutter 13 can be detached according to actual requirements to bend the material.

According to the utility model discloses an embodiment, third cutter 22 and fourth cutter 23 are connected for dismantling with base 21, so make things convenient for the change and the maintenance of cutter.

According to the utility model discloses an embodiment, the utility model discloses a mould of bending still includes support 3, 2 supports of lower mould on support 3 with support 3 can dismantle the connection. Specifically, the lower end surface of the lower die 2 may be formed into a flat surface, the upper end surface of the holder 3 may be formed into a flat surface, and the lower die 2 may be supported on the upper end surface of the holder 3 and fixedly connected thereto by bolts. Set up 3 up end of support into groove structure, set up the lower terminal surface of lower mould 2 into protruding setting, with lower mould 2 embedded into the groove structure of support 2, rethread bolt fixed connection.

Referring to fig. 2-4, fig. 2 shows a U-shaped hopper car to be formed, which includes two identical car side plates a and a car bottom plate. As shown in fig. 3, bend to the Z style of calligraphy can pass through the utility model discloses a mould of bending once closed form, make as the carriage curb plate a shown in fig. 2, only need four steps can, and make carriage bottom plate b, only need two steps can. The treatment efficiency is greatly improved.

The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The bending die is characterized by comprising an upper die (1) and a lower die (2) which are matched, wherein the upper die (1) comprises a cover plate (11), a first cutter (12) and a second cutter (13) which are arranged on the cover plate (11), and a first groove (14) which is arranged between the first cutter (12) and the second cutter (13) and is formed in the surface of the cover plate (11);

the lower die (2) comprises a base (21), a third cutter (22) and a fourth cutter (23) which are arranged on the base (21), and a second groove (24) which is arranged between the third cutter (22) and the fourth cutter (23) and is arranged on the surface of the base (21);

the first cutter (12) and the second groove (24) are arranged correspondingly, and the fourth cutter (23) and the first groove (14) are arranged correspondingly.

2. The bending die according to claim 1, wherein when the upper die (1) and the lower die (2) are matched, the third cutter (22) is positioned outside the upper die (1);

the second cutter (13) is positioned on the outer side of the lower die (2).

3. Bending die according to claim 1 or 2, wherein said first knife (12) and said second knife (13) are arranged symmetrically with respect to said first groove (14).

4. Bending die according to claim 1 or 2, wherein the third knife (22) and the fourth knife (23) are arranged symmetrically with respect to the second groove (24).

5. Bending die according to claim 1, wherein said first knife (12) and said second knife (13) are removably mounted on said upper die (1).

6. Bending die according to claim 1, characterised in that the third and fourth knives (22, 23) are detachably mounted on the lower die (2).

7. The bending die according to claim 1, further comprising a support (3), wherein the lower die (2) is supported on the support (3) and detachably connected with the support (3).