CN212598349U

CN212598349U - Bending lower tyre

Info

Publication number: CN212598349U
Application number: CN202021259018.0U
Authority: CN
Inventors: 刘蕴熙
Original assignee: Chinacoal Beijing Coal Mining Machinery Co Ltd
Current assignee: Chinacoal Beijing Coal Mining Machinery Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-26
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a lower child of bending, including the base, base upper portion is equipped with two circular arc concave surfaces along the central line symmetry, is equipped with the round steel in two circular arc concave surfaces respectively, and the position between two circular arc concave surfaces is equipped with the concave arc face. The upper surface of the round steel is a placing plane of the part to be bent. The round steel is bent by rotation in the base, pressure in the original tire pressing and bending process is reduced, the problem that the appearance of a piece to be bent is changed due to limitation of equipment is solved, tire replacement and overturning of the piece are avoided, the problem that the bent part reduces indentation in the bending process and reduces tire abrasion due to long-term use is solved, and the influence of the bending angle on the tire is also solved.

Description

Bending lower tyre

Technical Field

The utility model relates to a part instrument of bending especially relates to a lower child of bending.

Background

The part bending is the processing capacity required by the mechanical manufacturing industry, and the upper die and the lower die of the bending machine are required to be matched to finish single bending or multiple bending. Because of the difference of the appearance of the piece of bending, need choose for use different degree of depth and open-ended lower child to bend. Therefore, the lower tire for different parts is different.

The first prior art is as follows:

as shown in FIG. 1, the lower tires with different depths and openings are required to be selected for bending according to different shapes of bending pieces.

The first prior art has the following defects:

1. because of the different part appearance of bending, need select for use the lower child of the different degree of depth and open-ended to bend.

2. The part to be bent can be bent only by reserving an extension section for the part to be bent, which is often limited by a clamping fixture.

3. After a long time, the contact part of the lower tire and the part is easy to wear, and the bending is difficult and has low precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lower child of bending.

The utility model aims at realizing through the following technical scheme:

the utility model discloses a lower child of bending, the on-line screen storage device comprises a base, base upper portion is equipped with two circular arc concave surfaces along the central line symmetry, is equipped with the round steel in two circular arc concave surfaces respectively, the upper surface of round steel is for waiting the face of placing of the part of bending.

By the foregoing the technical scheme provided by the utility model, the embodiment of the utility model provides a lower child of bending realizes bending through the rotation of round steel in the base, has reduced the pressure of original pressure child in-process of bending, solves and treats a appearance of bending because of the change that equipment limits, has avoided changing the child and the child under the upset because of the appearance of the piece of bending, has solved the part of bending and has reduced the indentation and reduce the mould wearing and tearing because of long-term use at the in-process of bending, has also solved the influence to the mould because of the angle of bending moreover.

Drawings

Fig. 1 is a schematic view of a bending lower tire structure in the prior art.

Fig. 2 is a schematic view of a structure of a folded lower tire provided by an embodiment of the present invention.

Fig. 3 to fig. 5 are schematic views of a process of bending a part by bending a lower tire according to an embodiment of the present invention.

In the figure:

1. in the prior art, a multi-opening bending lower tire 2, a part to be bent 3, a reserved extension section 4 and an easily-worn part in the part bending process;

5. the utility model discloses a lower child of bending, 6, round steel, 7, the concave arc face at middle part, 8, base, 9, the part of having bent, 10, the minimum contact point when the part is bent.

Detailed Description

Embodiments of the present invention will be described in further detail below. Details not described in the embodiments of the present invention belong to the prior art known to those skilled in the art.

The utility model discloses a bend lower child, the concrete implementation of its preferred is:

the bending machine comprises a base, wherein two arc concave surfaces are symmetrically arranged on the upper portion of the base along the central line, round steel is respectively arranged in the two arc concave surfaces, and the upper surface of the round steel is a placing surface of a part to be bent.

And a concave arc surface is arranged at the position between the two arc concave surfaces on the base.

The upper surface of the round steel is a plane.

The utility model discloses a lower child of bending has avoided bending for a long time and has caused the wearing and tearing of the department of contact position of bending, and the part of bending meets with the trace of bending of lower child contact department and reduces, has avoided still effectually having saved the process of reserving the extension section because of the appearance of the piece of bending trades child and upset lower child.

The specific embodiment is as follows:

as shown in fig. 2 to 5, the turned-down tire carcass includes: base and round steel.

Firstly, aligning the bending center of a part to be bent on the bending lower tire center, and enabling the bending center of the part to be bent to coincide with the lower tire center.

And then, pressing and forming the part to be bent by using the upper tire of the bending machine.

The utility model discloses can satisfy the angle requirement of the most part of bending, can realize the general of mould. The extreme position is until the bent part comes into contact with the contact point shown in fig. 5.

The embodiment of the utility model provides a child under bending and method of bending thereof realizes bending through the rotation of round steel in the base, has reduced the pressure of original pressure child in-process of bending, solves and treats a appearance of bending because of the change that equipment limits, has avoided changing the child and the child under the upset because of the appearance of the piece of bending, has solved the part of bending and has reduced the indentation and reduce the mould wearing and tearing because of long-term use in the bending process, has also solved the influence to the mould because of the angle of bending moreover.

The utility model discloses utilize the round steel to rotate and make the fashioned technology thinking of part bending of waiting to bend, avoided changing the technological method of waiting to bend part size and appearance because of the mould limits to and reduce and change lower child because of the appearance of part bending and the angle of bending, and reduce and shorten the mould life because of the contact of bending.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a lower child of bending which characterized in that, includes the base, base upper portion is equipped with two circular arc concave surfaces along the central line symmetry, is equipped with the round steel in two circular arc concave surfaces respectively, the upper surface of round steel is the face of placing of waiting to bend the part.

2. The bent lower tire according to claim 1, wherein a concave arc surface is arranged on the base at a position between the two arc concave surfaces.

3. A bent lower tire according to claim 1 or 2, wherein the upper surface of the round steel is planar.