CN212329440U

CN212329440U - Double-processing-surface pipe bending die

Info

Publication number: CN212329440U
Application number: CN201922421391.5U
Authority: CN
Inventors: 刘华
Original assignee: Wuxi Hongrui Automotive Components Co ltd
Current assignee: Wuxi Hongrui Automotive Components Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2021-01-12
Anticipated expiration: 2029-12-28

Abstract

The utility model belongs to the pipe fitting processing field, a double-processing-face pipe bending die is provided, which comprises a die body, wherein fixed grooves are symmetrically arranged on both sides of the die body, the cross section of each fixed groove is arc-shaped, the track is a straight line, the two fixed grooves are parallel, the notches face to the outer side of the die body, a bending groove is arranged at the upper end of the die body, the cross section of the bending groove is arc-shaped, the track is an upward convex arc, both ends of the bending groove are respectively connected with the fixed grooves, and the cross section sizes of the bending groove and the fixed grooves are the same; the middle part of the die body is provided with a rotating shaft through hole. The utility model relates to a two machined surface bending dies has increased a machined surface, has prolonged life, has reduced manufacturing cost.

Description

Double-processing-surface pipe bending die

Technical Field

The utility model relates to a bending die especially relates to a long service life's bending die who has two machined surfaces.

Background

In the automobile manufacturing process, bent pipes are needed in many places, and a common manufacturing method is to bend and form a straight pipe by using a mold. But because the intensity of pipe fitting is higher and the processing space is little, the friction between pipe fitting and the mould is more serious, leads to the machined surface damage of mould big, and the life of mould is short, has increased manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming current defect, providing a two machined surface bending dies, solving the short, the high problem of manufacturing cost of mould life.

In order to solve the technical problem, the utility model provides a following technical scheme:

a double-processing-surface pipe bending die comprises a die body, wherein fixed grooves are symmetrically arranged on two sides of the die body, the cross section of each fixed groove is arc-shaped, the track of each fixed groove is a straight line, the two fixed grooves are parallel, the notches of the fixed grooves face the outer side of the die body, a bending groove is arranged at the upper end of the die body, the cross section of the bending groove is arc-shaped, the track of the bending groove is an upward-convex arc, two ends of the bending groove are respectively connected with the fixed grooves, and the cross section sizes of the bending groove and the fixed grooves are the same; and a rotating shaft through hole is formed in the middle of the die body.

Further, the die body is integrally formed.

Further, the die body comprises a fixing part and a bending part, the fixing grooves are formed in two sides of the fixing part, the bending grooves are formed in the upper end face of the bending part, and the upper end of the fixing part is connected with the lower end of the bending part; the joint of the fixing part and the bending part is provided with a rotating shaft through hole.

Further, the upper end of the fixing part and the lower end of the bending part are welded together.

Further, including two connection cover boards and a plurality of screw, the front and the back of fixed part are provided with a plurality of first screws, the front and the back of the portion of bending are provided with a plurality of second screws, the upper end of fixed part with the lower extreme of the portion of bending dock together, two connection cover board covers respectively after the butt joint the fixed part with the front and the back of the portion of bending, the screw passes through preset through-hole and screw in on the connection cover board first screw and second screw, the position of through-hole with the position of first screw and second screw corresponds.

Furthermore, the inner side surfaces of the fixing groove and the bending groove are provided with wear-resistant coatings.

The utility model relates to a two machined surface bending dies has increased a machined surface, has prolonged life, has reduced manufacturing cost.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic diagram of the embodiment 1 of the present invention in use.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1, a double-processing-surface pipe bending die comprises a die body, wherein fixed grooves 1 are symmetrically arranged on two sides of the die body, the cross section of each fixed groove 1 is arc-shaped, the track is straight, the two fixed grooves 1 are parallel, the notches face the outer side of the die body, a bending groove 2 is arranged at the upper end of the die body, the cross section of the bending groove 2 is arc-shaped, the track is an upward convex arc, two ends of the bending groove 2 are respectively connected with the fixed grooves 1, and the cross sections of the bending groove 2 and the fixed grooves 1 are the same in size; the middle part of the die body is provided with a rotating shaft through hole 3.

The working principle is as follows:

as shown in fig. 2, include with the utility model discloses supporting clamp die A and the guide die B that uses, the pivot through-hole internal fixedly connected with pivot, when buckling the technology, stretch into the straight tube front end and press from both sides between mould, guide die and the bending die, utilize the three to press from both sides the straight tube front end tightly, then the pivot is rotatory to drive the bending die clockwise rotation, accomplishes the shaping of bending. The bending forming work is finished only by a processing surface formed by a fixed groove and a half bending groove, when the processing surface is worn to the extent that the processing purpose cannot be realized, the bending die is turned over by 180 degrees, a new processing surface can be utilized to continue using the bending die, and the service life is doubled.

The mould body includes fixed part 4 and the portion of bending 5, the both sides of fixed part 4 are provided with fixed recess 1, the up end of the portion of bending 5 is provided with bending recess 2, the combination department of fixed part 4 and the portion of bending 5 is provided with pivot through-hole 3, still include two connection cover plate 6 and a plurality of screw, the front and the back of fixed part 4 are provided with a plurality of first screws, the front and the back of the portion of bending 5 are provided with a plurality of second screws, the upper end of fixed part 4 and the lower extreme butt joint of the portion of bending 5 are in the same place, two connection cover plate 6 cover fixed part 4 and the front and the back of the portion of bending 5 after the butt joint respectively, the screw passes through-hole and the first screw of screw in and second screw of predetermineeing on connection cover plate 6, the position of through-hole. The structure not only ensures the connection strength of the fixing part and the bending part, but also is convenient to disassemble and assemble, can be independently replaced aiming at the parts with serious abrasion, prolongs the service life and reduces the production cost.

The inner side surfaces of the fixed groove 1 and the bending groove 2 are provided with wear-resistant coatings, so that friction between the pipe fitting and the die is reduced.

Example 2

This example differs from example 1 in that: the upper end of the fixing part and the lower end of the bending part are welded together, and the connecting strength is high.

Example 3

This example differs from example 1 in that: the die body is integrally formed, and the overall strength is high.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 utility model provides a two working face bending dies which characterized in that: the die comprises a die body, wherein fixed grooves are symmetrically arranged on two sides of the die body, the cross section of each fixed groove is in a circular arc shape, the track of each fixed groove is a straight line, the two fixed grooves are parallel, the notches of the fixed grooves face the outer side of the die body, a bending groove is arranged at the upper end of the die body, the cross section of the bending groove is in a circular arc shape, the track of the bending groove is an upward convex circular arc, two ends of the bending groove are respectively connected with the fixed grooves, and the cross section sizes of the bending groove and the fixed grooves are the same;

and a rotating shaft through hole is formed in the middle of the die body.

2. The double-face pipe bending die of claim 1, wherein: the die body is integrally formed.

3. The double-face pipe bending die of claim 1, wherein: the die body comprises a fixed part and a bent part, the fixed grooves are formed in two sides of the fixed part, the bent grooves are formed in the upper end face of the bent part, and the upper end of the fixed part is connected with the lower end of the bent part;

the joint of the fixed part and the bending part is provided with the rotating shaft through hole.

4. A double-working face pipe bending die according to claim 3, wherein: the upper end of the fixing part is welded with the lower end of the bending part.

5. A double-working face pipe bending die according to claim 3, wherein: including two connection cover plate and a plurality of screw, the front and the back of fixed part are provided with a plurality of first screws, the front and the back of the portion of bending are provided with a plurality of second screws, the upper end of fixed part with the lower extreme butt joint of the portion of bending is in the same place, two connection cover plate covers respectively after the butt joint the fixed part with the front and the back of the portion of bending, the screw passes through predetermined through-hole and screw in on the connection cover plate first screw and second screw, the position of through-hole with the position of first screw and second screw corresponds.

6. The double-face pipe bending die of claim 1, wherein: and the inner side surfaces of the fixed groove and the bending groove are provided with wear-resistant coatings.