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CN-122007791-A - Positioning device and method for welding welded pipe

CN122007791ACN 122007791 ACN122007791 ACN 122007791ACN-122007791-A

Abstract

The invention provides a positioning device and a positioning method for welding a welded pipe, which belong to the technical field of welding pipe processing and comprise a platform, a bearing frame, a positioning wall and a telescopic clamping mechanism, wherein one side of the platform is provided with a stand column, one end of the bearing frame is hinged to the stand column, the other end of the bearing frame is connected to the platform through a first telescopic device, the bearing frame is used for supporting the welded pipe, the positioning wall is longitudinally arranged on the platform and is positioned at one end, close to the first telescopic device, inside the bearing frame, the telescopic clamping mechanism is arranged on the bearing frame and is positioned at one end, far from the positioning wall, of the positioning wall, and the action end of the telescopic clamping mechanism moves towards one side of the positioning wall and is used for pressing the welded pipe on the positioning wall. The positioning device for welding the welded pipe provided by the invention effectively solves the problems of poor adapting capability and long positioning time of the traditional mechanical positioning device, obviously shortens the debugging time during specification switching and improves the working efficiency.

Inventors

  • LI RU
  • HUANG YUEQUAN

Assignees

  • 湖南胜利湘钢钢管有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. A positioning device for welding a welded pipe, comprising: The device comprises a platform (1), wherein an upright post is arranged on one side of the platform (1); the bearing frame is hinged to the upright post at one end, the other end of the bearing frame is connected to the platform (1) through a first telescopic device (13), and the bearing frame is used for bearing the welded pipe (5); the positioning wall (3) is longitudinally arranged on the platform (1) and is positioned at one end, close to the first telescopic device (13), inside the bearing frame; The telescopic clamping mechanism (4) is arranged on the bearing frame and is positioned at one end far away from the positioning wall (3), and the action end of the telescopic clamping mechanism (4) moves towards one side of the positioning wall (3) and is used for propping against the welding pipe (5) on the positioning wall (3).
  2. 2. The positioning device for welding of welded pipes according to claim 1, characterized in that the upright comprises a first supporting column (11) and a second supporting column (12) which are arranged front and back, the bearing frame comprises a bearing beam, the bearing beam comprises a first cross beam (21) and a second cross beam (22) which are arranged front and back, the first cross beam (21) is hinged to the first supporting column (11), the second cross beam (22) is hinged to the second supporting column (12), a connecting beam (23) is arranged between one end, away from the upright, of the first cross beam (21) and the second cross beam (22), the first telescopic device (13) is connected between the connecting beam (23) and the platform (1), the first cross beam (21) and the second cross beam (22) are used for supporting the welded pipes (5), and the telescopic clamping mechanisms (4) are arranged on the first cross beam (21) and the second cross beam (22).
  3. 3. The positioning device for welding a welded pipe according to claim 2, wherein the side walls of the first beam (21) opposite to the second beam (22) are respectively provided with a first sliding groove (201) along the length direction thereof, sliding blocks (202) are respectively and slidably arranged in the two first sliding grooves (201), and two ends of the connecting beam (23) are respectively and rotatably connected to the sliding blocks (202).
  4. 4. A positioning device for welding a welded pipe according to claim 3, characterized in that said connecting beam (23) is an arched beam with a downward curved middle portion, and said first telescopic member (13) is connected to the middle portion of said connecting beam (23).
  5. 5. A positioning device for welding a welded pipe according to claim 2, wherein the telescopic clamping mechanism (4) comprises: a second telescopic device (41) fixed on the load beam; And the clamping block (42) is arranged on the bearing beam in a sliding manner, and the action end of the second telescopic device (41) is connected with the clamping block (42) and is used for driving the clamping block (42) to slide along the length direction of the bearing beam to press or be far away from the welded pipe (5).
  6. 6. The positioning device for welding a welded pipe according to claim 5, wherein a first storage groove (301) is formed in a front-rear direction on one side of the positioning wall (3) facing the telescopic clamping mechanism (4), a plurality of positioning rollers (31) are arranged in the first storage groove (301) along the front-rear direction, the positioning rollers (31) are located in the same plane, the positioning rollers (31) are longitudinally arranged, and a roller surface of the positioning rollers (31) is used for being in contact with the welded pipe (5).
  7. 7. A positioning device for welding a welded pipe according to claim 6, wherein a first motor (32) is arranged at the top of the positioning wall (3), a driving shaft of the first motor (32) is in transmission connection with a plurality of positioning rollers (31) through a transmission belt (321), and the first motor (32) is used for driving the positioning rollers (31) to rotate in the same direction and conveying the welded pipe (5).
  8. 8. A positioning device for welding a welded pipe according to claim 7, characterized in that a second storage groove (421) is provided on the side of the clamping block (42) facing the positioning wall (3), a press roll (43) is provided in the second storage groove (421) in a rotating manner, and the press roll (43) is arranged longitudinally for contacting the welded pipe (5).
  9. 9. A positioning device for welding a welded pipe as defined in claim 8, wherein the circumferential side walls of said press roller (43) are recessed from both axial ends toward the middle.
  10. 10. A positioning method for welding a welded pipe, using the positioning device for welding a welded pipe according to any one of claims 1 to 9, characterized by comprising the steps of lifting the welded pipe (5) to the bearing frame, adjusting the first telescopic device (13) to enable the bearing frame to incline downwards towards one side of the positioning wall (3) so that the welded pipe (5) leans against the positioning wall (3) through gravity, adjusting the first telescopic device (13) to enable the bearing frame to swing up and down, adjusting the welded pipe (5) to a preset position, and starting the telescopic clamping mechanism (4) to press the welded pipe (5) against the positioning wall (3) to finish positioning of the welded pipe (5).

Description

Positioning device and method for welding welded pipe Technical Field The invention belongs to the technical field of welded pipe processing, and particularly relates to a positioning device and method for welding a welded pipe. Background The welded pipe is used as a common pipe and has wide application in modern industrial production and daily life. Welding is used as a key link of welded pipe production, and the welding quality directly influences the performance and the service life of the welded pipe. And the accuracy of welding positioning is the basis and premise of ensuring welding quality. In conventional welding production of welded pipes, a conventional welding positioning method is to use a simple mechanical positioning device, such as a combination of a fixing clamp and a guide rail. Although the mechanical positioning device improves the positioning efficiency to a certain extent, the flexibility is poor. Welded pipes of different specifications and shapes have different parameters such as diameter, length, curvature and the like, and the existing simple mechanical positioning device is difficult to quickly adjust and adapt according to the changes. When welded pipes of different specifications need to be replaced and produced, a great deal of time and effort are consumed for adjusting and reinstalling and debugging the mechanical positioning device, and the production efficiency is reduced. Disclosure of Invention The invention aims to provide a positioning device and a positioning method for welding a welded pipe, and aims to solve the problems that the existing positioning device takes long time for positioning and has poor adaptation capability. In order to achieve the purpose, the technical scheme adopted by the invention is that the positioning device for welding the welded pipe comprises: A stand column is arranged on one side of the platform; The bearing frame is hinged to the upright post at one end, and is connected to the platform at the other end through a first telescopic device and used for bearing a welded pipe; The positioning wall is longitudinally arranged on the platform and is positioned at one end, close to the first telescopic device, inside the bearing frame; The telescopic clamping mechanism is arranged on the bearing frame and is positioned at one end far away from the positioning wall, and the action end of the telescopic clamping mechanism moves towards one side of the positioning wall and is used for propping and welding the pipe on the positioning wall. In a possible implementation manner, the upright comprises a first support column and a second support column which are arranged front and back, the bearing frame comprises a bearing beam, the bearing beam comprises a first cross beam and a second cross beam which are arranged front and back, the first cross beam is hinged to the first support column, the second cross beam is hinged to the second support column, a connecting beam is arranged between one end, away from the upright, of the first cross beam and one end, away from the upright, of the second cross beam, a first telescopic device is connected between the connecting beam and the platform, the first cross beam and the second cross beam are used for supporting welded pipes, and the first cross beam and the second cross beam are provided with telescopic clamping mechanisms. In one possible implementation manner, the side walls of the first cross beam and the second cross beam opposite to each other are provided with first sliding grooves along the length direction of the first cross beam, sliding blocks are arranged in the two first sliding grooves in a sliding manner, and two ends of the connecting beam are respectively connected to the sliding blocks in a rotating manner. In one possible implementation, the connection beam is an arched beam with a middle portion bent downward, and the first telescopic device is connected to the middle portion of the connection beam. In one possible implementation, the telescopic clamping mechanism includes: The second telescopic device is fixed on the bearing beam; And the clamping block is arranged on the bearing beam in a sliding manner, and the action end of the second telescopic device is connected with the clamping block and used for driving the clamping block to slide along the length direction of the bearing beam and resist or keep away from the welded pipe. In one possible implementation manner, a first storage groove is formed in one side, facing the telescopic clamping mechanism, of the positioning wall along the front-rear direction, a plurality of positioning rollers are arranged in the first storage groove along the front-rear direction, the positioning rollers are located in the same plane, the positioning rollers are longitudinally arranged, and the roller surfaces of the positioning rollers are used for being in contact with a welded pipe. In one possible implementation manner, a first motor is arranged at t