CN215032581U

CN215032581U - Pipe bending device

Info

Publication number: CN215032581U
Application number: CN202120878445.5U
Authority: CN
Inventors: 邱亮
Original assignee: Zhuhai Huilong Industrial Development Co ltd
Current assignee: Zhuhai Huilong Industrial Development Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-07
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a pipe bending device, including handle, a pair of shaping gyro wheel and supporting roller, the rotatable setting of handle, a pair of shaping gyro wheel rotationally locate on hand, and the side of every shaping gyro wheel is equipped with the shaping race, and supporting roller also can rotate the setting, and supporting roller is relative with a pair of shaping gyro wheel, and supporting roller's side is equipped with the supporting race. When the handle is rotated, the handle drives the pair of forming rollers to synchronously rotate, and the pair of forming rollers rotate relative to the supporting rollers to clamp and bend the pipe clamped between the forming roller grooves and the supporting roller grooves. Obviously, the utility model provides a swan neck system relates to the structure is simpler. In addition, the distance between a pair of forming rollers is adjustable, and the bent angle of the pipe is adjusted by adjusting the distance between the two forming rollers, so that the universality is better.

Description

Pipe bending device

Technical Field

The utility model relates to a return bend technical field, in particular to swan neck system.

Background

The pipe processing technology comprises rolling, extruding, bending, drawing, forging, welding and the like, wherein the bending pipe is the most common pipe processing method and is applied to the fields of building, processing, medicine and the like.

The existing pipe bending device has a plurality of defects. For example, the existing elbow device involves too many parts and has a complex structure. For another example, the existing pipe bending device has defects due to structural design, so that the pipe diameter and the bending angle of the bent pipe are usually fixed, and the universality is poor.

Therefore, how to design a pipe bending device to simplify the structure and improve the versatility thereof is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a pipe bending device, when rotating the handle, rotate for supporting roller a pair of shaping gyro wheel on hand, will press from both sides the tubular product of pressing from both sides between shaping race and supporting roller groove and bend, to the distance between the shaping gyro wheel adjustable, the commonality is better and the structure is simpler.

The utility model provides a swan neck system, include:

the handle is rotatably provided with a pair of forming rollers with adjustable distance, and the side surface of each forming roller is provided with a forming roller groove;

the supporting rollers are rotatably arranged and are opposite to the pair of forming rollers, and supporting roller grooves are formed in the side surfaces of the supporting rollers;

when the handle is rotated, the pair of forming rollers rotate relative to the supporting rollers, and the pipe clamped between the forming roller groove and the supporting roller groove is bent.

Preferably, the method further comprises the following steps:

a series of forming rollers which are arranged in pairs and have different forming wheel groove widths;

a series of supporting rollers which are arranged independently and have different supporting roller groove widths;

the width of the forming wheel groove of each pair of forming rollers is matched with the width of the supporting wheel groove of one supporting roller in a one-to-one correspondence mode.

Preferably, the handle is coaxial with the support roller and is rotatably arranged on the base.

Preferably, the handle is fixedly provided with an outer U-shaped seat in an integrated manner, and the supporting roller is rotatably arranged on the outer U-shaped seat.

Preferably, the forming device further comprises an inner U-shaped seat vertically fixed on the outer U-shaped seat and used for supporting a pair of forming rollers, and each forming roller is rotatably arranged in the inner U-shaped seat.

Preferably, the pipe fitting further comprises a limiting block fixedly arranged on the base and used for abutting against the non-inserted end of the pipe.

Preferably, the handle is provided with a return torsion spring which is arranged between the base and the handle and is used for assisting the handle to automatically return.

Compared with the prior art, the utility model provides a swan neck system, including handle, a pair of shaping gyro wheel and supporting roller, the rotatable setting of handle, a pair of shaping gyro wheel rotationally locate on hand, and the side of every shaping gyro wheel is equipped with the shaping race, and supporting roller also can rotate the setting, and supporting roller is relative with a pair of shaping gyro wheel, and supporting roller's side is equipped with the supporting race. When the handle is rotated, the handle drives the pair of forming rollers to synchronously rotate, and the pair of forming rollers rotate relative to the supporting rollers to clamp and bend the pipe clamped between the forming roller grooves and the supporting roller grooves. Obviously, the utility model provides a swan neck system relates to the structure is simpler. In addition, the distance between a pair of forming rollers is adjustable, and the bent angle of the pipe is adjusted by adjusting the distance between the two forming rollers, so that the universality is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a front view of a pipe bending device according to an embodiment of the present invention;

fig. 2 is a top view of fig. 1.

The reference numbers are as follows:

a tube 01;

the device comprises a handle 1, a forming roller 2, a supporting roller 3, a base 4 and a limiting block 5;

an outer U-shaped seat 11 and an inner U-shaped seat 12;

a molding wheel groove 21;

supporting the wheel groove 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and fig. 2, fig. 1 is a front view of a pipe bending device according to an embodiment of the present invention;

fig. 2 is a top view of fig. 1.

The embodiment of the utility model discloses swan neck system, including handle 1, a pair of shaping gyro wheel 2 and supporting roller 3, related spare part is less, and the structure is simpler.

Wherein, the rotatable setting of one end of handle 1 makes handle 1 rotate around the pin joint.

The pair of forming rollers 2 is rotatably arranged on the handle 1, so that the two forming rollers 2 synchronously rotate along with the handle 1. The side of each forming roller 2 is provided with a forming wheel groove 21. The forming wheel groove 21 is specifically an annular arc groove.

The supporting rollers 3 can be rotatably arranged, supporting wheel grooves 31 are formed in the side faces of the supporting rollers 3, the supporting rollers 3 are opposite to the forming rollers 2, the three rollers are distributed in a triangular shape, the central symmetry planes of the three rollers are coplanar, and the forming wheel grooves 21 and the supporting wheel grooves 31 are respectively abutted to two opposite sides of the pipe 01. The supporting wheel groove 31 is also embodied as an annular arc groove.

When in use, one end of the pipe 01 is inserted between the forming roller 2 and the supporting roller 3; then, the handle 1 is rotated, the handle 1 drives the pair of forming rollers 2 to synchronously rotate, and the pair of forming rollers 2 rotates relative to the supporting rollers 3 to clamp and bend the pipe 01 clamped between the forming roller groove 21 and the supporting roller groove 31.

The distance between a pair of forming rollers 2 is adjustable to adjust the distance between forming rollers 2 and supporting rollers 3, and then adjust the bent angle of clamped pipe 01, the commonality is better. The following can be referred to as the mounting of the forming roller 2.

Therefore, the pipe bending device provided by the utility model has the advantages of simple structure and good universality.

For further promoting the commonality, the utility model discloses still include a series of forming roller 2 that set up in pairs and a series of supporting rollers 3 that set up alone, it is the same to the width of forming race 21 of two forming roller 2, but the width of forming race 21 of each forming roller 2 is different, can change two forming roller 2 simultaneously as required. The width of the supporting wheel groove 31 of each supporting roller 3 is different, each pair of forming rollers 2 is matched with one supporting roller 3, the width of the forming wheel groove 21 of each pair of forming rollers 2 is matched with the width of the supporting wheel groove 31 of one supporting roller 3 in a one-to-one correspondence manner, namely the width of the wheel grooves of the three matched rollers is the same, and therefore, the extruded pipe 01 is different in pipe diameter.

The utility model discloses still include base 4, base 4 is fixed to be set up. The handle 1 is coaxial with the support roller 3 and both are rotatably provided on the base 4, but the handle 1 is rotatable with respect to the base 4. Specifically, the handle 1 and the support roller 3 are rotatably disposed on the base 4 through a rotating shaft.

In this embodiment, an outer U-shaped seat 11 is integrally and fixedly installed at one end of the handle 1, and the support roller 3 is rotatably installed in the outer U-shaped seat 11. The outer U-shaped seat 11 and the supporting roller 3 can be separated by an isolation sleeve, and the isolation sleeve can be a rubber sleeve, so that the abrasion of the outer U-shaped seat 11 and the supporting roller 3 is reduced.

The utility model discloses still including setting firmly in outer U type seat 11's interior U type seat 12 perpendicularly for support a pair of shaping gyro wheel 2, in U type seat 12 in every shaping gyro wheel 2 rotationally locates. Two sides of the inner U-shaped seat 12 are respectively provided with a row of mounting holes, and each forming roller 2 is arranged in one pair of the through mounting holes, so that the distance between the two forming rollers 2 is adjusted. The inner U-shaped seat 12 may in particular be welded into the outer U-shaped seat 11.

The utility model discloses still including setting firmly stopper 5 on base 4, stopper 5 offsets with the one end that 01 insert shaping race 21 of tubular product, utilizes stopper 5 to inject the position of 01 tubular product. The limiting block 5 can be welded on the base 4.

The utility model discloses still including locating the reset torsion spring between base 4 and the handle 1, rotate handle 1 back, reset torsion spring extrusion deformation loosens handle 1 back, and reset torsion spring resumes elastic deformation, and handle 1 automatic re-setting is assisted to the reset torsion spring, and it is more convenient to operate. Specifically, the handle 1 is mounted on the base 4 through a rotating pin, the return torsion spring is sleeved on the rotating pin, and two torsion arms of the return torsion spring are respectively abutted against the base 4 and the handle 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An elbow device, comprising:

the device comprises a handle (1) which can be rotatably arranged, wherein the handle (1) can be rotatably provided with a pair of forming rollers (2) with adjustable distance, and the side surface of each forming roller (2) is provided with a forming wheel groove (21);

the supporting rollers (3) are rotatably arranged and are opposite to the pair of forming rollers (2), and supporting roller grooves (31) are formed in the side surfaces of the supporting rollers (3);

when the handle (1) is rotated, the pair of forming rollers (2) rotate relative to the supporting rollers (3), and the pipe (01) clamped between the forming wheel groove (21) and the supporting wheel groove (31) is bent.

2. The elbow device according to claim 1, further comprising:

a series of forming rollers (2) which are arranged in pairs and have different widths of the forming wheel grooves (21);

a series of supporting rollers (3) which are arranged separately and have different widths of the supporting roller grooves (31);

the width of the forming wheel groove (21) of each pair of forming rollers (2) is correspondingly matched with the width of the supporting wheel groove (31) of one supporting roller (3) one by one.

3. The pipe bending device according to claim 1, further comprising a base (4), wherein the handle (1) is coaxially and rotatably provided on the base (4) with the support roller (3).

4. The pipe bending device according to claim 3, wherein the handle (1) is integrally and fixedly provided with an outer U-shaped seat (11), and the support roller (3) is rotatably mounted on the outer U-shaped seat (11).

5. The pipe bending device according to claim 4, further comprising an inner U-shaped seat (12) vertically fixed to said outer U-shaped seat (11) for supporting a pair of said forming rollers (2), each of said forming rollers (2) being rotatably provided in said inner U-shaped seat (12).

6. The pipe bending device according to any one of claims 3 to 5, further comprising a stopper (5) fixedly arranged on the base (4) and used for abutting against the non-inserted end of the pipe (01).

7. The tube bending device according to any one of claims 3 to 5, further comprising a return torsion spring disposed between the base (4) and the handle (1) for assisting the automatic return of the handle (1).