CN213033333U

CN213033333U - Pipe bending device for pipeline

Info

Publication number: CN213033333U
Application number: CN202021025261.6U
Authority: CN
Inventors: 王磊; 吴建康; 孟宪德
Original assignee: Beijing Gfa Aviation Technology Beijing Co ltd
Current assignee: Beijing Gfa Aviation Technology Beijing Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-23
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a pipeline pipe bending device relates to the auxiliary processing equipment technical field of aeronautical system pipeline to solve the technical problem that does not have the pipeline instrument of bending that is suitable for the small-size pipeline of production at present of existence among the prior art. The pipeline pipe bending device comprises a tooling plate, a pipeline fixing structure, a pipe bending rod and a bending roller set, wherein the pipeline fixing structure is fixedly arranged on the tooling plate, a through hole which is provided with a fixing hole and allows a pipeline to be bent to pass through is formed in the pipeline fixing structure, a fastener can be abutted on the pipeline to be bent in the through hole after passing through the fixing hole, the bending roller set comprises a first roller and a second roller, the first roller is connected with the tooling plate through a vertical rod, the pipe bending rod is connected with the vertical rod through the first roller and can rotate relative to the first roller, the second roller is fixedly connected with the pipe bending rod, the working faces of the first roller and the second roller are abutted, two working faces are provided with matched grooves, and a pipe bending channel matched with the outer diameter of the pipeline to be bent is formed between the two grooves.

Description

Pipe bending device for pipeline

Technical Field

The utility model belongs to the technical field of the auxiliary processing equipment technique of aeronautical system pipeline and specifically relates to a pipeline elbow device is related to.

Background

The airplane pipeline is applied to an air conditioning system, a fuel system, a hydraulic system, an oxygen system, a water supply and drainage system, a lubricating system and the like of an airplane, and is an indispensable important component part for power supply of the airplane and life guarantee on the airplane.

The pipeline system is the life line of the airplane, the performance of the pipeline system directly influences the overall performance of the airplane, and the reliability and durability of the pipeline system influence the flight safety. The requirement of an aviation system on pipelines is higher, the shapes of the pipelines are more complicated and changeable, and specific changes are needed to be made for special conditions in many times.

The existing pneumatic or electric pipe bender is suitable for pipes with thicker pipe diameters, has a huge mechanism and high price, is not suitable for small pipe bending parts, generally adopts a method of using pipe tongs to match with bench tongs by manpower to ensure that the pipe bending efficiency is lower, and has the possibility of generating cracks because the drift diameter of a pipeline is changed greatly due to uneven force application.

The applicant has found that the prior art has at least the following technical problems:

the existing bending pipeline tool is not suitable for producing small pipelines, and particularly for stainless steel pipes with the wall thickness of more than 1mm, high-precision and high-efficiency bending is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline pipe bending device to solve the technical problem that does not have the pipeline instrument of bending that is suitable for the small-size pipeline of production at present among the prior art to exist. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pipeline pipe bending device, which comprises a tooling plate, a pipeline fixing structure, a pipe bending rod and a bending roller set, wherein the pipeline fixing structure is fixedly arranged on the tooling plate, a through hole which is provided with a fixing hole and allows a pipeline to be bent to pass through is arranged on the pipeline fixing structure, a fastener can be abutted on the pipeline to be bent which is arranged in the through hole after passing through the fixing hole, the bending roller set comprises a first roller and a second roller, the first roller is connected with the tooling plate through a vertical rod, the pipe bending rod is connected with the vertical rod through the first roller, the pipe bending rod can rotate relative to the first roller, the second roller is fixedly connected with the pipe bending rod, the working surfaces of the first roller and the second roller are abutted, and two working surfaces are provided with matched grooves, and a bent pipe channel matched with the outer diameter of the pipeline to be bent is formed between the two grooves.

Preferably, the pipeline fixed knot constructs including last fixed block and lower fixed block, go up the fixed block with be provided with assorted semicircular groove down on the fixed block, two the semicircular groove forms after the amalgamation and allows the pipeline of waiting to bend to pass the through-hole, lower fixed block fixed mounting is in on the frock board, it is located to go up the fixed block down the top of fixed block and both formation can dismantle the connection.

Preferably, the through hole is located in the middle of the pipeline fixing structure, and the cross sections of the upper fixing block and the lower fixing block are both rectangular.

Preferably, two first mounting holes are formed in the upper fixing block, the first mounting holes are located on two sides of the through hole, two second mounting holes are formed in the lower fixing block, the second mounting holes are located on two sides of the through hole, the upper fixing block sequentially penetrates through the first mounting holes through connecting pieces and corresponds to the first mounting holes in position, and the second mounting holes are connected with the lower fixing block.

Preferably, the second mounting hole is internally provided with an internal thread, and the connecting piece is provided with an external thread matched with the internal thread.

Preferably, the diameter of the through hole is 2-4 mm larger than that of the pipeline to be bent, and the groove is semicircular.

Preferably, the pole setting includes pole setting body and gyro wheel supporting part, follows pole setting body outside extends towards keeping away from its axis direction and forms the gyro wheel supporting part, first gyro wheel is located the top of gyro wheel supporting part and cover are located the periphery of pole setting body, be provided with the connecting hole on the pole setting body, first bolt hole has been seted up on the bent pipe pole, and the bolt passes in proper order first bolt hole behind the centre bore of first gyro wheel with the connecting hole forms threaded connection.

Preferably, a second bolt hole is formed in the bent pipe rod, and the rod part of the bolt sequentially penetrates through the second bolt hole and the central hole of the second roller from top to bottom and then is in threaded connection with the nut.

Preferably, the tooling plate is provided with 360-degree scale marks which are coaxially arranged with the vertical rod.

Preferably, a handle holding part is formed at the end part, far away from the second roller, of the pipe bending rod, and a sheath is arranged on the handle holding part.

The utility model provides a pipeline bending device, when using, the pipeline to be bent passes through on the pipeline fixed knot constructs, then utilize the fastener to pass the fixed orifices on the pipeline fixed knot structure after the butt on the pipeline to be bent that is located the through-hole, hold the return bend pole with the hand and rotate, utilize the assembly pulley of bending to begin to treat the pipeline of bending and bend, after the first is bent and is accomplished, loosen the fastener on the pipeline fixed knot structure, continue the pipeline and stretch forward, utilize the step the same as last bending to carry out the second time and bend, bend … … for the third time the utility model discloses compare with prior art, great improvement production efficiency, guaranteed the production quality of product, the frock simple manufacture, easy operation, with low costs, to the manpower requirement is low, the specially adapted small-size pipeline is bent; especially, the effect is better for some small stainless steel pipes.

Drawings

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 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a pipe bending device provided in an embodiment of the present invention;

fig. 2 is a top view of a pipe bending apparatus provided in an embodiment of the present invention;

fig. 3 is a schematic view of a pipeline fixing structure provided by an embodiment of the present invention.

Reference numerals: 1. assembling a plate; 2. a pipeline fixing structure; 21. an upper fixed block; 211. a first mounting hole; 22. a lower fixed block; 23. a through hole; 3. bending a pipe rod; 31. a handle grip portion; 4. a first roller; 5. a second roller; 6. a groove; 7. erecting a rod; 8. scale lines; 9. a fastener; 10. and (5) bending the pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a pipe bending device, which comprises a tooling plate 1, a pipe fixing structure 2, a pipe bending rod 3 and a bending roller set, wherein the pipe fixing structure 2 is fixedly arranged on the tooling plate 1, the pipe fixing structure 2 is provided with a fixing hole and a through hole 23 allowing a pipe 10 to be bent to pass through, a fastening piece 9 can be abutted against the pipe 10 to be bent positioned in the through hole 23 after passing through the fixing hole, the bending roller set comprises a first roller 4 and a second roller 5, the first roller 4 is connected with the tooling plate 1 through the vertical rod 7, the pipe bending rod 3 is connected with the vertical rod 7 through the first roller 4, the pipe bending rod 3 can rotate relative to the first roller 4, the second roller 5 is fixedly connected with the pipe bending rod 3, the working surfaces of the first roller 4 and the second roller 5 are abutted (contacted), and matched grooves 6 are arranged on the working surfaces, as shown in fig. 1, the grooves 6 in this embodiment are semicircular grooves 6, and a bent pipe passage adapted to the outer diameter of the pipeline to be bent is formed between the two grooves 6.

As shown in fig. 3, the pipeline fixing structure 2 includes an upper fixing block 21 and a lower fixing block 22, the upper fixing block 21 and the lower fixing block 22 are provided with matched semicircular grooves, the two semicircular grooves are combined to form a through hole 23 allowing the pipeline 10 to be bent to pass through, the lower fixing block 22 is fixedly mounted on the tooling plate 1, the upper fixing block 21 is located above the lower fixing block 22, and the upper fixing block 21 and the lower fixing block 22 are detachably connected.

Specifically, through-hole 23 is located pipeline fixed knot constructs 2's intermediate position, and for the convenience of installation, the diameter ratio of through-hole 23 waits to buckle the diameter of pipeline and is a little bigger, but can not be big too much, generally, the diameter ratio of through-hole 23 waits to buckle the diameter of pipeline 2 ~ 4mm more, and this pipeline fixed knot constructs 2 can all do common size, buckle unidimensional pipe not, change different pipeline fixed knot construct 2 can. The cross-sectional shapes of the upper fixing block 21 and the lower fixing block 22 are both rectangular. Go up and seted up two first mounting holes 211 on the fixed block 21, first mounting hole 211 is located the both sides of through-hole 23, two second mounting holes have been seted up on lower fixed block 22, the second mounting hole is located the both sides of through-hole 23, set up the third mounting hole that corresponds with second mounting hole position on the frock board 1, go up fixed block 21 and pass first mounting hole 211 through the connecting piece in proper order, form with lower fixed block 22 behind second mounting hole that corresponds with first mounting hole 211 position and the third mounting hole that corresponds and can dismantle the connection.

Wherein, be provided with the internal thread in the second mounting hole, be provided with the external screw thread with internal thread matched with on the connecting piece. The first mounting hole 211 can be provided with no thread, so that the connecting piece can be conveniently put in, and the connecting piece is a bolt with an external thread.

As optional implementation mode, the vertical rod 7 includes a vertical rod 7 body and a roller supporting portion, and the roller supporting portion is formed by extending along the outside surface of the vertical rod 7 body and away from the axis direction thereof, the first roller 4 is located above the roller supporting portion and is sleeved on the periphery of the vertical rod 7 body, the vertical rod 7 body is provided with a connecting hole, the bent pipe rod 3 is provided with a first bolt hole, and a bolt sequentially passes through the first bolt hole and the central hole of the first roller 4 and then forms a threaded connection with the connecting hole. The bent pipe rod 3 is further provided with a second bolt hole, and the rod part of the bolt sequentially penetrates through the second bolt hole and the central hole of the second roller 5 from top to bottom and then is in threaded connection with the nut. The first and second bolt holes are provided at the ends of elbow rod 3.

In addition, as an alternative embodiment, the tooling plate 1 is provided with a 360-degree scale mark 8 which is coaxial with the upright rod 7. And determining the angle of the bent pipeline according to the scale on the upper plate of the tool.

As an alternative embodiment, the end of the elbow rod 3 remote from the second roller 5 forms a handle grip 31, and a sheath is disposed on the handle grip 31. When the elbow lever 3 is rotated, the hand feels more comfortable.

The utility model provides a pipeline bending device, when using, the pipeline to be bent passes through on the pipeline fixed knot constructs 2, then utilize fastener 9 to pass behind the fixed orifices on the pipeline fixed knot constructs 2 butt on the pipeline 10 of waiting to bend that is located through-hole 23, hold the elbow rod 3 with the hand and rotate, utilize the assembly pulley of bending to begin to treat the pipeline of bending and bend, after the first is bent and accomplish, loosen fastener 9 on the pipeline fixed knot constructs 2, continue the pipeline to stretch forward, utilize the same step of bending the last one to carry out the second time and bend … … for the third time the utility model discloses compare with prior art, great improvement production efficiency, guaranteed the production quality of product, the frock simple manufacture, easy operation, with low costs, to the manpower requirement is low, be particularly useful for small-size pipeline bending; especially, the effect is better for some small stainless steel pipes.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the 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. A pipeline bending device is characterized by comprising a tooling plate, a pipeline fixing structure, a pipe bending rod and a bending roller set, wherein,

pipeline fixed knot construct fixed set up in on the frock board just set up the through-hole that the pipeline of bending was passed with the permission on the pipeline fixed knot constructs, the fastener passes can the butt be located behind the fixed orifices on treating on the pipeline of bending, the roller train of bending includes first gyro wheel and second gyro wheel, first gyro wheel pass through the pole setting with the frock board is connected, the pipe bending pole passes through first gyro wheel with the pole setting is connected just the pipe bending pole can be relative first gyro wheel takes place to rotate, the second gyro wheel with pipe bending pole fixed connection, first gyro wheel with the working face looks butt and two of second gyro wheel the assorted recess, two form between the recess and treat the return bend passageway of the external diameter adaptation of the pipeline of bending.

2. The pipeline pipe bending device according to claim 1, wherein the pipeline fixing structure comprises an upper fixing block and a lower fixing block, the upper fixing block and the lower fixing block are provided with matched semi-circular grooves, the two semi-circular grooves are combined to form the through hole for allowing the pipeline to be bent to pass through, the lower fixing block is fixedly installed on the tool plate, the upper fixing block is located above the lower fixing block, and the upper fixing block and the lower fixing block form a detachable connection.

3. The pipe bending apparatus according to claim 2, wherein the through hole is located at a middle position of the pipe fixing structure, and the upper fixing block and the lower fixing block have a rectangular cross-sectional shape.

4. The pipe bending device according to claim 2 or 3, wherein the upper fixing block is provided with two first mounting holes, the first mounting holes are located at two sides of the through hole, the lower fixing block is provided with two second mounting holes, the second mounting holes are located at two sides of the through hole, and the upper fixing block sequentially passes through the first mounting holes and the second mounting holes corresponding to the first mounting holes through a connecting member and then is connected with the lower fixing block.

5. The pipe bending apparatus according to claim 4, wherein the second mounting hole has an internal thread, and the connecting member has an external thread matching the internal thread.

6. The pipeline elbow device according to claim 1, wherein the diameter of the through hole is 2-4 mm larger than that of the pipeline to be bent, and the groove is semicircular.

7. The pipeline pipe bending device according to claim 1, wherein the vertical rod includes a vertical rod body and a roller supporting portion, the roller supporting portion is formed by extending along an outer side surface of the vertical rod body away from an axis direction of the vertical rod body, the first roller is located above the roller supporting portion and sleeved on a periphery of the vertical rod body, the vertical rod body is provided with a connecting hole, the pipe bending rod is provided with a first bolt hole, and a bolt sequentially penetrates through the first bolt hole and a central hole of the first roller and then forms a threaded connection with the connecting hole.

8. The pipeline pipe bending device according to claim 1 or 7, wherein a second bolt hole is formed in the pipe bending rod, and the rod part of the bolt sequentially penetrates through the second bolt hole and the central hole of the second roller from top to bottom and then is in threaded connection with a nut.

9. The pipe bending apparatus according to claim 1, wherein the tooling plate is provided with 360 degree graduations disposed coaxially with the upright.

10. The pipeline elbow device according to claim 1, wherein the end of the elbow rod remote from the second roller forms a handle grip on which a sheath is disposed.