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CN-117444498-B - Pipe welding device

CN117444498BCN 117444498 BCN117444498 BCN 117444498BCN-117444498-B

Abstract

The invention belongs to the technical field of pipe welding, in particular to a pipe welding device, wherein after being extruded by a welding rod pushing device, a pushing device can change the passing aperture of a first limiting device and a second limiting device, the first limiting device controls the passing aperture of a sliding cavity, the second limiting device controls the passing aperture of the connecting part of the sliding cavity and a welding rod storage cavity, a transmission device and an auxiliary wheel are attached to the surface of a pipe, when the pipe welding device and a welding part form relative positions, the transmission device can drive a welding rod pushing device for adding welding rods to move towards the welding part through a position adjusting device, the moving speed of the welding rod pushing device for driving the welding rods is in direct proportion to the rotating speed between the welding device and the pipe, so that welding rods required by each section of welding points are identical, the uniformity of the welding points is ensured, and then the pushing device can be extruded according to the moving position of the welding rod pushing device, so that the change of the passing aperture of the first limiting device and the second limiting device is driven to change the welding rods.

Inventors

  • LV LIHONG
  • MEI KUN
  • Ge Penghe
  • ZHU ZHENGMING
  • YU CHUNXIANG

Assignees

  • 天长市康弘石油管材有限公司

Dates

Publication Date
20260512
Application Date
20231206

Claims (8)

  1. 1. The pipe welding device comprises a mounting cylinder (1), a transmission device (2), an auxiliary wheel (3) and an welding rod pushing device (5), wherein the transmission device (2) and the auxiliary wheel (3) which are in contact with a pipe are arranged on the mounting cylinder (1), the welding rod pushing device (5) used for driving the welding rod to move is arranged inside the mounting cylinder (1), and the pipe welding device is characterized in that a position adjusting device (4) is arranged inside the mounting cylinder (1), the transmission device (2) drives the welding rod pushing device (5) to move in a sliding cavity (10) inside the mounting cylinder (1) through the position adjusting device (4), a first pushing device (6), a first limiting device (7) and a second limiting device (8) are arranged inside the mounting cylinder (1), a welding rod storage cavity (11) which is communicated with the sliding cavity (10) is arranged inside the mounting cylinder (1), the first pushing device (6) is extruded by the welding rod pushing device (5), the passing aperture of the first limiting device (7) and the second limiting device (8) is changed, the passing aperture of the sliding cavity (10) is controlled, and the second limiting device (7) is controlled to pass through the welding rod storage cavity (11) which is connected with the sliding cavity (11); The welding rod pushing device (5) comprises a first moving ring (5-1), a through hole (5-2), a first extrusion ring (5-3), a first connecting rod (5-4), a pushing rack (5-5), a second extrusion ring (5-6), a second connecting rod (5-7), a transmission gear (5-8), a rotating screw rod (5-9), a threaded clamping block (5-10) and a limiting device (5-11), wherein the first moving ring (5-1) is arranged through the hole (5-2), the pushing rack (5-5) slides in the first moving ring (5-1), the pushing rack (5-5) is provided with the first connecting rod (5-4) and the second connecting rod (5-7), the first extrusion ring (5-3) is arranged on the first connecting rod (5-4), the second extrusion ring (5-6) is arranged on the second connecting rod (5-7), the rotating screw rod (5-9) is arranged in the first moving ring (5-1), the rotating screw rod (5-9) is provided with the transmission gear (5-9) which is matched with the three screw rods (5-10) in the transmission ring (5-1), the screw thread clamping block (5-10) is matched with the rotating screw rod (5-9), a limiting device (5-11) for limiting the first connecting rod (5-4) and the second connecting rod (5-7) is arranged in the first moving ring (5-1), and the first moving ring (5-1) extrudes the first pushing device (6) through the first extrusion ring (5-3) or the second extrusion ring (5-6); The first pushing device (6) comprises a connecting rod (6-1), a first extrusion strip (6-2) and a second extrusion strip (6-3), the connecting rod (6-1) slides in the installation cylinder (1), one end of the connecting rod (6-1) is provided with the first extrusion strip (6-2), the other end of the connecting rod is provided with the second extrusion strip (6-3), the first extrusion strip (6-2) is extruded by the first extrusion ring (5-3), the second extrusion strip (6-3) is extruded by the second extrusion ring (5-6), and the moving connecting rod (6-1) changes the passing aperture of the first limiting device (7) and the second limiting device (8).
  2. 2. A pipe welding device according to claim 1, characterized in that a guiding tube (9) is arranged inside the electrode storage chamber (11).
  3. 3. The pipe welding device according to claim 2, wherein the transmission device (2) comprises a mounting plate (2-1), a mounting seat (2-2), a driving wheel (2-3), a first driving shaft (2-4), a first bevel gear (2-5), a second driving shaft (2-6), a second bevel gear (2-7) and a first gear (2-8), the mounting plate (2-1) and the mounting seat (2-2) are arranged on the mounting cylinder (1), the first driving shaft (2-4) is arranged on the mounting seat (2-2), the second driving shaft (2-6) is arranged on the mounting plate (2-1), the driving wheel (2-3) and the first bevel gear (2-5) are arranged on the first driving shaft (2-4), the second bevel gear (2-7) and the first gear (2-8) are arranged on the second driving shaft (2-6), the first bevel gear (2-5) and the second bevel gear (2-7) are meshed, and the first gear (2-8) drives the position adjusting device (4).
  4. 4. A pipe welding device according to claim 3, characterized in that the position adjusting device (4) comprises a sliding mounting groove (4-1), a transmission toothed ring (4-2), a second gear (4-3), a threaded rod (4-4) and a movable threaded block (4-5), the sliding mounting groove (4-1) is arranged on the mounting cylinder (1), the transmission toothed ring (4-2) slides in the sliding mounting groove (4-1), the threaded rod (4-4) is arranged in the mounting cylinder (1), the threaded rod (4-4) is provided with the second gear (4-3), the second gear (4-3) is connected with the first gear (2-8) through the transmission toothed ring (4-2), and the welding rod pushing device (5) is arranged on the movable threaded block (4-5).
  5. 5. A pipe welding device according to claim 4, characterized in that the upper end of the first moving ring (5-1) is provided with a guiding ring (5-12), and the first moving ring (5-1) is arranged on the moving screw block (4-5).
  6. 6. The pipe welding device according to claim 5, wherein the limiting device (5-11) comprises a limiting sliding cavity (5-11-1), a second moving ring (5-11-2), a first spring (5-11-3), a ball end post (5-11-4), a limiting bolt (5-11-5), a second spring (5-11-6), a limiting hole (5-11-7) and a receiving groove (5-11-8), the limiting sliding cavity (5-11-1) is arranged inside the first moving ring (5-1), the ball end post (5-11-4) slides inside the limiting sliding cavity (5-11-1) through the second moving ring (5-11-2), the first spring (5-11-3) is arranged between the limiting sliding cavity (5-11-1) and the second moving ring (5-11-2), the limiting bolt (5-11-5) slides inside the ball end post (5-11-4), the limiting sliding cavity (5-11-4) and the ball end post (5-11-4) are arranged between the limiting sliding pin (5-11-4), limiting holes (5-11-7) are formed in the first connecting rod (5-4) and the second connecting rod (5-7), and a containing groove (5-11-8) for containing the ball end of the ball end post (5-11-4) is formed in the first moving ring (5-1) and communicated with the sliding cavity (10).
  7. 7. The pipe welding device according to claim 6, wherein the first limiting device (7) comprises a first inclined surface block (7-1), a first extruded block (7-2), a first pushing plate (7-3) and a first return spring (7-4), the first pushing plate (7-3) is arranged on two sides of the first extruded block (7-2), the first return spring (7-4) is arranged on the first pushing plate (7-3), the first extruded block (7-2) slides in the mounting cylinder (1), and the connecting rod (6-1) extrudes the first extruded block (7-2) to move towards the center through the first inclined surface block (7-1).
  8. 8. The pipe welding device according to claim 7, wherein the second limiting device (8) comprises a second inclined surface block (8-1), a second extruded block (8-2), a second pushing plate (8-3) and a second return spring (8-4), the second pushing plate (8-3) is arranged on two sides of the second extruded block (8-2), the second return spring (8-4) is arranged on the second pushing plate (8-3), the second extruded block (8-2) slides in the mounting cylinder (1), the connecting rod (6-1) extrudes the second extruded block (8-2) to move to the center through the second inclined surface block (8-1), and the inclined surface (8-5) is arranged at the front end of the second extruded block (8-2).

Description

Pipe welding device Technical Field The invention belongs to the technical field of pipe welding, and particularly relates to a pipe welding device. Background The application of the pipe is seen everywhere in the present life, the pipe is large, the petroleum and natural gas pipeline is small, the transportation of the fluid objects is provided with the shadow of the pipe, and the pipe is formed by welding a plurality of sections of pipes. The existing welding mode has the advantages that workers can perform manual welding, so that extremely high requirements are made on the skill level of the workers, and unskilled workers can easily enable welding positions to be uneven and even have loopholes. Disclosure of Invention The invention aims to provide a pipe welding device so as to solve the technical problem of uneven welding spot distribution at a welding position. In order to achieve the above purpose, the specific technical scheme of the pipe welding device of the invention is as follows: The utility model provides a tubular product welding set, includes installation section of thick bamboo, transmission, auxiliary wheel and welding rod pusher, be equipped with transmission and auxiliary wheel with tubular product contact on the installation section of thick bamboo, the inside welding rod pusher that is used for driving the welding rod and remove that is equipped with of installation section of thick bamboo, its characterized in that, the inside position adjustment device that is equipped with of installation section of thick bamboo, transmission drive welding rod pusher through position adjustment device remove in the inside sliding chamber of installation section of thick bamboo, the inside first pusher, first stop device and the second stop device that is equipped with of installation section of thick bamboo, the welding rod that communicates is stored with the sliding chamber in installation section of thick bamboo is inside to be equipped with, can change the passing aperture of first stop device and second stop device after receiving welding rod pusher extrusion, the passing aperture of first stop device control sliding chamber, the passing aperture of second stop device control sliding chamber and welding rod storage chamber junction. Further, a guide tube is arranged in the welding rod storage cavity. Further, transmission includes mounting panel, mount pad, drive wheel, first transmission shaft, first bevel gear, second transmission shaft, second bevel gear and first gear, mounting panel and mount pad set up on the installation section of thick bamboo, and first transmission shaft sets up on the mount pad, and the second transmission shaft sets up on the mounting panel, is equipped with drive wheel and first bevel gear on the first transmission shaft, is equipped with second bevel gear and first gear on the second transmission shaft, and first bevel gear and second bevel gear meshing drive position adjustment device. Further, the position adjusting device comprises a sliding mounting groove, a transmission toothed ring, a second gear, a threaded rod and a movable threaded block, wherein the sliding mounting groove is formed in the mounting cylinder, the transmission toothed ring slides in the sliding mounting groove, the threaded rod is arranged in the mounting cylinder, the second gear is arranged on the threaded rod and is connected with the first gear through the transmission toothed ring, and the welding rod pushing device is arranged on the movable threaded block. Further, the welding rod pushing device comprises a first moving ring, a through hole, a first extrusion ring, a first connecting rod, a pushing rack, a second extrusion ring, a second connecting rod, a transmission gear, a rotating screw rod, a thread tightening block and a limiting device, wherein the first moving ring is arranged on the moving screw rod, the first moving ring is arranged on the through hole, the pushing rack slides in the first moving ring, the pushing rack is provided with the first connecting rod and the second connecting rod, the first extrusion ring is arranged on the first connecting rod, the second extrusion ring is arranged on the second connecting rod, the rotating screw rod is arranged in the first moving ring, the transmission gear matched with the pushing rack is arranged on the rotating screw rod, the three thread tightening blocks are slidably arranged in the first moving ring, the thread tightening block is matched with the rotating screw rod, the limiting device for limiting the first connecting rod and the second connecting rod is arranged in the first moving ring, and the first moving ring extrudes the first pushing device through the first extrusion ring or the second extrusion ring. Further, a guide ring is arranged at the upper end of the first movable ring. Further, the limiting device comprises a limiting sliding cavity, a second moving ring, a first spring, a ball end post, a limiting bol