CN109622793B

CN109622793B - Hollow tube swan neck system

Info

Publication number: CN109622793B
Application number: CN201811637718.6A
Authority: CN
Inventors: 陈真生; 张家跃; 黄世付; 肖健; 贵体仁
Original assignee: Changde Guoli Transformer Co ltd
Current assignee: Changde Guoli Transformer Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-08-25
Anticipated expiration: 2038-12-29
Also published as: CN109622793A

Abstract

The invention belongs to the technical field of hollow tube equipment, and particularly relates to a hollow tube bending device which comprises a base, wherein the bottom of the base is fixedly connected with a plurality of supporting columns, the top of the base is fixedly connected with a workbench, the top of one side of the workbench is fixedly connected with a first threaded rod, the top of the first threaded rod is fixedly connected with a fixed block, a pull plate, a spacing block and a first bending wheel are sequentially sleeved on the first threaded rod in a sliding manner, a first threaded sleeve is arranged above the pull plate, the first threaded sleeve is sleeved on the first threaded rod in a threaded manner, a second threaded rod is arranged on one side of the first threaded rod, and a second bending wheel and a rotating plate are respectively sleeved on the second threaded rod in a rotating manner. According to the invention, the arrangement of the plurality of pipe bending wheels can prevent the pipe core from deforming greatly after bending when the device is used for bending, so that the hollow structure of the metal pipe is ensured.

Description

Hollow tube swan neck system

Technical Field

The invention belongs to the technical field of hollow pipe equipment, and particularly relates to a hollow pipe bending device.

Background

The hollow pipe building material is indispensable in people's life, and the wide application needs the hollow pipe processing of bending to the building construction field and skeleton support etc. in the time of manufacturing, but in present bending technology, the pipe core is out of shape great after buckling easily, can not guarantee the hollow structure of tubular metal resonator, influences the performance of hollow pipe, has certain defectiveness.

Disclosure of Invention

The invention aims to provide a hollow pipe bending device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a hollow tube bending device comprises a base, wherein the bottom of the base is fixedly connected with a plurality of supporting columns, the top of the base is fixedly connected with a workbench, one side of the top of the workbench is fixedly connected with a first threaded rod, the top of the first threaded rod is fixedly connected with a fixed block, the first threaded rod is sequentially sleeved with a pulling plate, a spacing block and a first bending wheel in a sliding manner, a first threaded sleeve is arranged above the pulling plate and sleeved on the first threaded rod, one side of the first threaded rod is provided with a second threaded rod, the second threaded rod is respectively sleeved on the second threaded rod, a second bending wheel and a rotating plate are respectively rotatably sleeved on the second threaded rod, the rotating plate is positioned above the second bending wheel, a second threaded sleeve is arranged above the rotating plate, the second threaded sleeve is sleeved on the second threaded rod, and one end of the rotating plate, which is far away from the second threaded rod, is inserted with a third threaded rod, the bottom fixedly connected with stopper of third threaded rod, the third return bend wheel has been cup jointed in the last rotation of third threaded rod, the third return bend wheel is located the below of rotor plate, the third thread bush has been cup jointed to the top screw thread of third threaded rod, one side of arm-tie is equipped with the notch that corresponds with the third thread bush, one side that first threaded rod was kept away from to the workstation is equipped with L type cardboard, the top fixed connection of L type cardboard and workstation, be equipped with the recess on the inner wall of L type cardboard, be equipped with buffer in the recess.

Preferably, the buffer device comprises a buffer plate and a plurality of springs, and the buffer plate and the groove are fixedly connected through the plurality of springs.

Preferably, an extension pipe is fixedly sleeved at one end, far away from the first threaded rod, of the pull plate, and a rubber sleeve is fixedly sleeved on the extension pipe.

Preferably, the bottoms of the support columns are fixedly connected with support legs, and anti-skid pads are arranged at the bottoms of the support legs.

Preferably, the first threaded rod is sleeved with a wear-resistant pad, and two sides of the wear-resistant pad are respectively abutted to the first elbow wheel and the workbench.

Preferably, a plurality of anti-slip lines are arranged in the notch, and the anti-slip lines are all arranged in an inclined mode.

Preferably, the workbench is provided with a positioning bolt, and the workbench is provided with a plurality of sockets corresponding to the positioning bolt.

Compared with the prior art, the invention has the beneficial effects that: when bending the hollow tube, at first follow first return bend wheel with the hollow tube, pass between second return bend wheel and the third return bend wheel and support the inner wall that L type cardboard mutually, then through extension pipe pulling arm-tie, the arm-tie rotates the notch above utilizing on first threaded rod this moment and supports the third thread bush on the third threaded rod mutually, the rotor plate drives the third return bend wheel of installing on the third threaded rod and offsets the lateral wall of hollow tube when bending the hollow tube hard, the opposite side of hollow tube then can offset first return bend wheel, second return bend wheel on the second threaded rod then fine play enlarges its effect of bending the angle degree, it is less to guarantee that the tube core warp, need use great power when bending the hollow tube, install the cushioning effect that can be better of buffer on L type cardboard. According to the invention, the arrangement of the plurality of pipe bending wheels can prevent the pipe core from deforming greatly after bending when the device is used for bending, so that the hollow structure of the metal pipe is ensured.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the worktable according to the present invention;

in the figure: 1-base, 2-support column, 3-workbench, 4-first threaded rod, 5-fixed block, 6-pulling plate, 7-spacing block, 8-first bent pipe wheel, 9-first threaded sleeve, 10-second threaded rod, 11-second bent pipe wheel, 12-rotating plate, 13-second threaded sleeve, 14-third threaded rod, 15-limiting block, 16-third bent pipe wheel, 17-third threaded sleeve, 18-L-shaped clamping plate, 19-buffer device, 20-lengthened pipe, 21-support leg and 22-positioning bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a hollow tube bending device comprises a base 1, wherein the bottom of the base 1 is fixedly connected with a plurality of supporting columns 2 for supporting the base 1, the top of the base 1 is fixedly connected with a workbench 3, the top of one side of the workbench 3 is fixedly connected with a first threaded rod 4, the top of the first threaded rod 4 is fixedly connected with a fixed block 5 for preventing a first threaded sleeve 9 from falling off, the first threaded rod 4 is sequentially sleeved with a pulling plate 6, a spacing block 7 and a first bending wheel 8 in a sliding manner, a first threaded sleeve 9 is arranged above the pulling plate 6 for preventing the pulling plate 6 from falling off, the first threaded sleeve 9 is sleeved on the first threaded rod 4, one side of the first threaded rod 4 is provided with a second threaded rod 10 for installing a second bending wheel 11, the second threaded rod 10 is respectively sleeved with a second bending wheel 11 and a rotating plate 12 in a rotating manner, the second bending wheel 11 is used for ensuring the bending angle, the rotating plate 12 is used for driving a third bending wheel 16 to move, the rotating plate 12 is positioned above the second pipe bending wheel 11, a second thread sleeve 13 is arranged above the rotating plate 12 and used for preventing the rotating plate 12 from falling off, the second thread sleeve 13 is in thread sleeve connection with the second threaded rod 10, one end of the rotating plate 12, far away from the second threaded rod 10, is in thread connection with a third threaded rod 14 and used for installing a third pipe bending wheel 16, the bottom end of the third threaded rod 14 is fixedly connected with a limiting block 15 and used for preventing the third pipe bending wheel 16 from falling off, the third threaded rod 14 is in rotary sleeve connection with the third pipe bending wheel 16 and used for bending against the hollow pipe, the third pipe bending wheel 16 is positioned below the rotating plate 12, a third thread sleeve 17 is in thread sleeve connection with the top of the third threaded rod 14 and used for preventing the third threaded rod 14 from falling off, a notch corresponding to the third thread sleeve 17 is arranged on one side of the pulling plate 6, an L-shaped clamping plate 18 is arranged on one side of the workbench 3, far away, the L-shaped clamping plate 18 is fixedly connected with the top of the workbench 3, a groove is formed in the inner wall of the L-shaped clamping plate 18, a buffer device 19 is arranged in the groove, and the buffer force between the hollow pipe and the L-shaped clamping plate 18 is increased; further, the buffer device 19 comprises a buffer plate and a plurality of springs, and the buffer plate and the groove are fixedly connected through the plurality of springs; furthermore, an extension pipe 20 is fixedly sleeved at one end of the pull plate 6, which is far away from the first threaded rod 4, and a rubber sleeve is fixedly sleeved on the extension pipe 20, so that the pull plate 6 can be conveniently pulled by extension; furthermore, the bottoms of the support columns 2 are fixedly connected with support legs 21, and the bottoms of the support legs 21 are provided with anti-slip pads for enabling the device to be more stable; furthermore, a wear-resistant pad is sleeved on the first threaded rod 4, two sides of the wear-resistant pad are respectively abutted against the first pipe bending wheel 8 and the workbench 3, and friction force between the first pipe bending wheel 8 and the workbench 3 is reduced; further, be equipped with multichannel anti-skidding line in the notch, a plurality of anti-skidding lines are the slope setting, and frictional force increases when making the notch offset third thread bush 17, avoids taking place the landing, is equipped with location bolt 22 on the workstation 3 and with a plurality of location sockets that location bolt 22 corresponds, conveniently adjusts the angle that the hollow tube buckled.

The working principle is as follows: when the hollow pipe is bent, firstly, the hollow pipe passes through the space among the first pipe bending wheel 8, the second pipe bending wheel 11 and the third pipe bending wheel 16 to abut against the inner wall of the L-shaped clamping plate 18, then the pulling plate 6 is pulled through the lengthening pipe 20, at the moment, the pulling plate 6 rotates on the first threaded rod 4 to abut against the third threaded sleeve 17 on the third threaded rod 14 by utilizing the notch on the pulling plate 6, when the hollow pipe is bent by force, the rotating plate 6 drives the third pipe bending wheel 16 arranged on the third threaded rod 14 to abut against the side wall of the hollow pipe, the other side of the hollow pipe abuts against the first pipe bending wheel 8, the second pipe bending wheel 11 on the second threaded rod 10 well plays a role in expanding the bending angle of the pipe core, the pipe core is ensured to be small in deformation, because a large force is needed when the hollow pipe is bent, the buffer device 19 arranged on the L-shaped clamping plate 18 can play a better buffer role, the lengthening pipe 20 contacts with the positioning bolt 22 to finish, obtaining the hollow bent pipe with the required angle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hollow tube swan neck system, includes base (1), its characterized in that, a plurality of support columns (2) of bottom fixedly connected with of base (1), top fixedly connected with workstation (3) of base (1), one side top fixedly connected with first threaded rod (4) of workstation (3), the top fixedly connected with fixed block (5) of first threaded rod (4), the cover that slides in proper order on first threaded rod (4) is equipped with arm-tie (6), spacer block (7) and first return bend wheel (8), the top of arm-tie (6) is equipped with first thread bush (9), first thread bush (9) cup joint on first threaded rod (4), one side of first threaded rod (4) is equipped with second threaded rod (10), second return bend wheel (11) and rotor plate (12) have been cup jointed in the rotation respectively on second threaded rod (10), the improved structure is characterized in that the rotating plate (12) is located above the second elbow wheel (11), a second thread sleeve (13) is arranged above the rotating plate (12), the second thread sleeve (13) is in thread sleeve connection with the second threaded rod (10), one end of the rotating plate (12), far away from the second threaded rod (10), is in thread connection with a third threaded rod (14), the bottom end of the third threaded rod (14) is fixedly connected with a limiting block (15), the third threaded rod (14) is in rotary sleeve connection with a third elbow wheel (16), the third elbow wheel (16) is located below the rotating plate (12), the top thread of the third threaded rod (14) is in sleeve connection with a third thread sleeve (17), one side of the pulling plate (6) is provided with a notch corresponding to the third thread sleeve (17), and one side of the workbench (3), far away from the first threaded rod (4), is provided with an L-shaped clamping plate (18), the utility model discloses a positioning device for L-shaped clamping plate, including workstation (3), L type clamping plate (18) and buffer device (19), the top fixed connection of workstation (3), be equipped with the recess on the inner wall of L type clamping plate (18), be equipped with buffer device (19) in the recess, buffer device (19) include buffer board and a plurality of spring, all through a plurality of spring fixed connection between buffer board and the recess, be equipped with location bolt (22) on workstation (3), be equipped with a plurality of sockets that correspond with location bolt (22) on workstation (3).

2. The hollow tube elbow device according to claim 1, wherein: the end, far away from the first threaded rod (4), of the pulling plate (6) is fixedly sleeved with an extension pipe (20), and a rubber sleeve is fixedly sleeved on the extension pipe (20).

3. The hollow tube elbow device according to claim 1, wherein: a plurality of the bottoms of the supporting columns (2) are fixedly connected with supporting legs (21), and anti-slip pads are arranged at the bottoms of the supporting legs (21).

4. The hollow tube elbow device according to claim 1, wherein: the wear-resistant pad is sleeved on the first threaded rod (4), and two sides of the wear-resistant pad are respectively abutted to the first bent pipe wheel (8) and the workbench (3).

5. The hollow tube elbow device according to claim 1, wherein: be equipped with multichannel anti-skidding line in the notch, it is a plurality of anti-skidding line is the slope setting.