Tool for pipeline welding

Abstract

The utility model relates to the technical field of pipeline machining, in particular to a pipeline welding tool which comprises a base and a welding assembly, the welding assembly comprises a guide rail, a first movable frame, a second movable frame, a first clamping roller, a second clamping roller, a supporting component, a driving roller and a driving component, the guide rail is fixedly installed on the base, the first movable frame is slidably installed on the guide rail, and the second movable frame is slidably installed on the second clamping roller. The second movable frame is in sliding connection with the guide rail and located on the side, close to the first movable frame, of the guide rail, the first clamping roller is rotationally installed on the first movable frame, the second clamping roller is rotationally installed on the second movable frame, the driving roller is connected with the base through the supporting component, and the supporting component is installed on the base and supports the driving roller. The driving component drives the first movable frame and the second movable frame to move, and the problems that due to the fact that the whole welded junction needs to be welded during pipeline welding, a rotating device is not arranged in the prior art, the welding position needs to be manually adjusted, and the welding efficiency is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline processing, in particular to a tool for pipeline welding. Background Art

[0002] Pipelines include air ducts, water pipes, oil pipes and gas pipes. When in use, pipelines sometimes need to be welded. The welding positioning device in the prior art cannot provide sufficient support and positioning before the pipeline is welded to the flange, and cannot be accurately positioned again after the pipeline is welded to the flange, resulting in difficulty in accurately checking the axial and radial positions of the flange.

[0003] Prior art CN218638986U discloses a pipeline welding tool, including a base plate, a fixing seat is arranged in the middle of the upper side of the base plate, and a first positioning seat, a second positioning seat and a third positioning seat are arranged on the fixing seat in sequence, the first positioning seat, the second positioning seat and the third positioning seat are parallel to each other, a first arc-shaped positioning groove is arranged in the upper surface of the first positioning seat, and the two sides of the first positioning seat and the two sides of the second positioning seat are respectively connected by a first connecting column. The pipe is welded and assembled with a margin, and the first arc-shaped positioning groove and the third arc-shaped positioning groove of the positioning device can respectively position the main body and the extension section of the pipe to ensure sufficient support; after the pipe is cut into place and the flange of the end is installed, the second arc-shaped positioning groove of the positioning device will position the flange axially and radially for inspection. The device can provide sufficient support and positioning before the pipeline is welded to the flange, and can also provide accurate positioning after the pipeline is welded to the flange, and accurately inspect the axial and radial positions of the flange.

[0004] With regard to the pipeline welding tooling in the prior art, since pipeline welding requires welding of the entire weld, and the prior art does not have a rotating device, manual adjustment of the welding position is required, which affects the welding efficiency. Utility Model Content

[0005] The utility model aims to provide a tool for pipeline welding, which solves the problem that pipeline welding requires welding the entire weld, but the prior art does not have a rotating device and requires manual adjustment of the welding position, which affects the welding efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides a tool for pipeline welding, including a base and a welding assembly, the welding assembly including a guide rail, a first movable frame, a second movable frame, a first clamping roller, a second clamping roller, a supporting member, a driving roller and a driving member, the guide rail is fixedly connected to the base and is located on one side of the base, the first movable frame is slidably connected to the guide rail and is located on a side of the guide rail away from the base, the second movable frame is slidably connected to the guide rail and is located on a side of the guide rail close to the first movable frame, the first clamping roller is rotatably mounted on the first movable frame, the second clamping roller is rotatably mounted on the second movable frame, the driving roller is connected to the base through the supporting member, the supporting member is mounted on the base and supports the driving roller, and the driving member drives the first movable frame and the second movable frame to move respectively.

[0007] Wherein, the supporting structure includes a right-angle frame, an electric push rod and a mounting frame, the right-angle frame is fixedly connected to the base and is located on a side of the base close to the guide rail; the electric push rod is installed on the right-angle frame and is located on a side of the right-angle frame close to the first clamping roller; the mounting frame is fixedly connected to the output end of the electric push rod, and the driving roller is rotatably mounted on the mounting frame.

[0008] Wherein, the welding assembly further comprises a driving motor, the driving motor is mounted on the mounting frame, and the output shaft of the driving motor is fixedly connected to the driving roller.

[0009] Wherein, the driving component includes a screw and a clamping motor, the clamping motor is installed on the base and located on a side of the base close to the guide rail; the screw is fixedly connected to the output shaft of the clamping motor and is threadedly connected to the first movable frame and the second movable frame respectively.

[0010] Wherein, the supporting structure also includes a guide cylinder and a guide rod, the guide cylinder is fixedly connected to the right angle frame and is located on a side of the right angle frame close to the mounting frame; the guide rod is slidably connected to the guide cylinder and fixedly connected to the mounting frame.

[0011] The utility model discloses a tool for pipeline welding, comprising a base and a welding assembly, wherein the welding assembly comprises a guide rail, a first movable frame, a second movable frame, a first clamping roller, a second clamping roller, a supporting member, a driving roller and a driving member, wherein the guide rail is fixedly connected to the base and is located at one side of the base, the first movable frame is slidably connected to the guide rail and is located at a side of the guide rail away from the base, the second movable frame is slidably connected to the guide rail and is located at a side of the guide rail close to the first movable frame, the first clamping roller is rotatably mounted on the first movable frame, the second clamping roller is rotatably mounted on the second movable frame, the driving roller is connected to the base through the supporting member, the supporting member is mounted on the base and supports the driving roller, and the driving member drives the first movable frame and the second movable frame to move respectively, thereby solving the problem that the entire weld needs to be welded in pipeline welding, and the prior art does not have a rotating device, and the welding position needs to be manually adjusted, thereby affecting the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of a pipeline welding tool according to the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the overall structure of a pipeline welding tool according to a second embodiment of the utility model.

[0016] In the figure: 101-base, 102-guide rail, 103-first movable frame, 104-second movable frame, 105-first clamping roller, 106-second clamping roller, 107-right angle frame, 108-electric push rod, 109-mounting frame, 110-driving roller, 111-driving motor, 112-screw, 113-clamping motor, 201-guide cylinder, 202-guide rod. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] The first embodiment of the present application is:

[0019] See also Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of the pipeline welding tooling of the first embodiment of the utility model. Figure 2 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.

[0020] The utility model of the pipe welding tool comprises a base 101, a guide rail 102, a first movable frame 103, a second movable frame 104, a first clamping roller 105, a second clamping roller 106, a right angle frame 107, an electric push rod 108, a mounting frame 109, a driving roller 110, a driving motor 111, a screw 112, and a clamping motor 113, which solves the problem that the welding of the pipeline needs to be welded to the entire weld, and the prior art does not have a rotating device, and the welding position needs to be manually adjusted, which affects the welding efficiency. It can be understood that the above scheme can also be used to weld pipes of different specifications and sizes.

[0021] In this embodiment, the base 101 is a rectangular body and is installed on the base 101 through the welding assembly, thereby solving the problem that pipeline welding requires welding the entire weld, and the prior art does not have a rotating device, which requires manual adjustment of the welding position, affecting the welding efficiency.

[0022] The guide rail 102 is fixedly connected to the base 101 and is located on one side of the base 101; the first movable frame 103 is slidably connected to the guide rail 102 and is located on a side of the guide rail 102 away from the base 101; the second movable frame 104 is slidably connected to the guide rail 102 and is located on a side of the guide rail 102 close to the first movable frame 103; the first clamping roller 105 is rotatably mounted on the first movable frame 103; the second clamping roller 106 is rotatably mounted on the second movable frame 104; the driving roller 110 is connected to the base 101 through the supporting member; the supporting member is mounted on the base 101 and supports the driving roller 110, the driving member drives the first movable frame 103 and the second movable frame 104 to move respectively, the number of the guide rails 102 is two, which are installed in parallel on the top surface of the base 101, the first movable frame 103 is U-shaped, and has a sliding groove matching the guide rail 102, the first movable frame 103 is slidably connected with the guide rail 102 through the sliding groove, the second movable frame 104 is the same as the first movable frame 103, and is slidably installed on the guide rail 102 in the same way, the first movable frame 103 is provided with a mounting hole, the first clamping roller 105 is installed on the mounting hole through a bearing, and is rotatably connected with the first movable frame 103, The second movable frame 104 also has a mounting hole, and the second clamping roller 106 is mounted on the mounting hole through a bearing and is rotatably connected to the second movable frame 104. The first movable frame 103 and the second movable frame 104 support the first clamping roller 105 and the second clamping roller 106 respectively. The first clamping roller 105 and the second clamping roller 106 are used to place the pipe, and the middle positions of the first clamping roller 105 and the second clamping roller 106 are both broken grooves, which are convenient for welding. The supporting member supports the driving roller 110, and the middle position of the driving roller 110 is also provided with a broken groove. The driving roller 110 is used to press the pipe tightly against the first clamping roller 105 and the second clamping roller 106, and the pipeline can be driven to rotate under the action of friction force. The driving component is used to change the distance between the first clamping roller 105 and the second clamping roller 106, and can be adjusted accordingly according to the specifications of the pipeline. The first clamping roller 105, the second clamping roller 106 and the driving roller 110 clamp the pipeline, so as to realize the positioning of pipelines of different specifications and sizes. At the same time, the rotation of the driving roller 110 can drive the pipeline to rotate, so as to change the welding position, which solves the problem that the entire weld needs to be welded due to pipeline welding, and the prior art does not have a rotating device, and the welding position needs to be manually adjusted, which affects the welding efficiency.

[0023] Secondly, the right-angle frame 107 is fixedly connected to the base 101 and is located on a side of the base 101 close to the guide rail 102; the electric push rod 108 is installed on the right-angle frame 107 and is located on a side of the right-angle frame 107 close to the first clamping roller 105; the mounting frame 109 is fixedly connected to the output end of the electric push rod 108, and the driving roller 110 is rotatably mounted on the mounting frame 109, the right-angle frame 107 is used to support the driving roller 110, and the electric push rod 108 is used to drive the driving roller 110 to move vertically, thereby changing the position height of the driving roller 110, the mounting frame 109 is U-shaped with an opening facing downward, and the driving roller 110 is installed on the mounting frame 109 through a bearing, and the driving roller 110 is supported and can move vertically through the right-angle frame 107 and the electric push rod 108.

[0024] At the same time, the driving motor 111 is installed on the mounting frame 109, the output shaft of the driving motor 111 is fixedly connected to the driving roller 110, the driving motor 111 is installed on the side of the mounting frame 109 by bolts, and the shaft of the driving roller 110 is connected to the output shaft of the driving motor 111 through a coupling. The driving motor 111 is operated to drive the driving roller 110 to rotate.

[0025] In addition, the clamping motor 113 is installed on the base 101 and is located on the side of the base 101 close to the guide rail 102; the screw 112 is fixedly connected to the output shaft of the clamping motor 113, and is threadedly connected to the first movable frame 103 and the second movable frame 104 respectively. The screw 112 is installed on the base 101 through a bearing bracket. The screw 112 has a positive thread and a negative thread. The positive thread and the negative thread are two opposite threads, which are symmetrically distributed at both ends of the screw 112. The same threaded sleeves are provided on the frame 103 and the second movable frame 104. The first movable frame 103 and the second movable frame 104 are respectively sleeved on the positive thread and the negative thread through two threaded sleeves. The clamping motor 113 is installed on the base 101 by bolts. The screw 112 is connected to the output shaft of the clamping motor 113 through a coupling. The screw 112 is driven to rotate by the clamping motor 113, thereby driving the first movable frame 103 and the second movable frame 104 to move toward or opposite to each other at the same time.

[0026] In this embodiment, first, the distance between the first clamping roller 105 and the second clamping roller 106 is adjusted according to the outer diameter of the pipe, and the clamping motor 113 is controlled to move. The clamping motor 113 rotates forward, and the first clamping roller 105 and the second clamping roller 106 can be driven to move closer to each other through the screw 112. The clamping motor 113 is reversed, and the first clamping roller 105 and the second clamping roller 106 move away from each other. After the distance between the first clamping roller 105 and the second clamping roller 106 is adjusted, the two pipes to be welded are placed between the first clamping roller 105 and the second clamping roller 106, and are respectively placed on both sides of the broken groove, and then the motor 113 is controlled to rotate forward. The push rod 108 moves, and the electric push rod 108 drives the driving roller 110 to move downward until the two pipes are pressed tightly against the first clamping roller 105 and the second clamping roller 106, so as to realize the positioning of the pipes. At this time, the staff can carry out welding work. When it is necessary to rotate the pipe to adjust the welding position, the driving motor 111 is controlled to move, and the driving motor 111 drives the driving roller 110 to rotate. Under the action of friction, the pipe can be driven to rotate to realize the adjustment of the welding position, which solves the problem that the entire weld needs to be welded for pipe welding, and the prior art does not have a rotating device, and the welding position needs to be adjusted manually, which affects the welding efficiency.

[0027] The second embodiment of the present application is:

[0028] See also Figure 3 , Figure 3 2 is a schematic diagram of the overall structure of a pipe welding tool according to a second embodiment of the utility model. On the basis of the first embodiment, the pipe welding tool according to this embodiment further includes a guide cylinder 201 and a guide rod 202 .

[0029] In this embodiment, the support member further includes a guide cylinder 201 and a guide rod 202, and the stability can be improved through the above solution.

[0030] The guide cylinder 201 is fixedly connected to the right angle frame 107 and is located on one side of the right angle frame 107 close to the mounting frame 109; the guide rod 202 is slidably connected to the guide cylinder 201 and is fixedly connected to the mounting frame 109. The guide cylinder 201 is a rectangular body with an internal cavity, and the number is two, which are respectively arranged on both sides of the electric push rod 108. The guide rod 202 is a cylinder, and the number corresponds to the number of the guide cylinders 201. One end of the guide rod 202 extends into the The guide rod 202 is inside the guide cylinder 201, and is slidably connected to the guide cylinder 201. The other end is fixedly connected to the mounting frame 109. A limit block is arranged on one end of the guide rod 202 extending into the guide cylinder 201. The limit block can prevent the guide rod 202 from sliding out of the guide cylinder 201. Through the guide cylinder 201 and the guide rod 202, the movement of the mounting frame 109 is guided, thereby preventing the mounting frame 109 from shaking during the vertical movement, thereby improving stability.

[0031] In this embodiment, the guide rod 202 is restricted by the guide cylinder 201 and can only move vertically. The guide rod 202 follows the extension and retraction of the electric push rod 108 to guide the movement of the mounting frame 109, thereby preventing the mounting frame 109 from shaking and improving stability.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A tool for pipeline welding, comprising a base, characterized in that: Also included are welding assemblies; The welding assembly includes a guide rail, a first movable frame, a second movable frame, a first clamping roller, a second clamping roller, a supporting member, a driving roller and a driving member. The guide rail is fixedly connected to the base and is located on one side of the base. The first movable frame is slidably connected to the guide rail and is located on a side of the guide rail away from the base. The second movable frame is slidably connected to the guide rail and is located on a side of the guide rail close to the first movable frame. The first clamping roller is rotatably mounted on the first movable frame, and the second clamping roller is rotatably mounted on the second movable frame. The driving roller is connected to the base through the supporting member, and the supporting member is mounted on the base and supports the driving roller. The driving member drives the first movable frame and the second movable frame to move respectively.

2. The pipe welding tool as claimed in claim 1, characterized in that: The supporting structure includes a right-angle frame, an electric push rod and a mounting frame. The right-angle frame is fixedly connected to the base and is located on a side of the base close to the guide rail; the electric push rod is installed on the right-angle frame and is located on a side of the right-angle frame close to the first clamping roller; the mounting frame is fixedly connected to the output end of the electric push rod, and the driving roller is rotatably mounted on the mounting frame.

3. The pipe welding tool as claimed in claim 2, characterized in that: The welding assembly also includes a driving motor, which is mounted on the mounting frame, and an output shaft of the driving motor is fixedly connected to the driving roller.

4. The pipe welding tool as claimed in claim 1, characterized in that: The driving component includes a screw and a clamping motor, the clamping motor is mounted on the base and located on a side of the base close to the guide rail; the screw is fixedly connected to the output shaft of the clamping motor and is threadedly connected to the first movable frame and the second movable frame respectively.

5. The pipe welding tool as claimed in claim 2, characterized in that: The support structure also includes a guide cylinder and a guide rod. The guide cylinder is fixedly connected to the right-angle frame and is located on a side of the right-angle frame close to the mounting frame. The guide rod is slidably connected to the guide cylinder and fixedly connected to the mounting frame.

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