CN-114985935-B - Assembly-to-point welding integrated process

CN114985935BCN 114985935 BCN114985935 BCN 114985935BCN-114985935-B

Abstract

The application relates to an assembly-to-point welding integrated process, which relates to the technical field of welding and comprises the following steps of positioning two steel pipes by utilizing a steel pipe positioning device, maintaining the axes of the two steel pipes on the same axis, forming a welding seam between the two steel pipes, positioning the welding seam between the two steel pipes by utilizing a welding seam positioning device, welding the welding seam between the two steel pipes by utilizing a laser welding machine, and quickly adjusting the welding seam between the two steel pipes by utilizing an adjusting device, wherein the welding seam positioning device is arranged at least two welding seams between the two steel pipes at intervals on the periphery of the steel pipes by utilizing the laser welding machine, and the welding seam is welded by utilizing the laser welding machine, and the welding seam is welded by utilizing the adjusting device. The application has the advantages of omitting manual welding, preventing the flaming splash sprayed in the welding process from threatening the safety of workers, and improving the positioning efficiency of the steel pipe, thereby improving the welding speed of the steel pipe.

Inventors

QU LIBO
LIANG HAI
YU XIAOFENG

Assignees

江苏福事特液压技术有限公司

Dates

Publication Date: 20260505
Application Date: 20220215

Claims (7)

1. The assembly-to-point welding integrated process is characterized by comprising the following steps of: step 101, positioning two steel pipes by utilizing a steel pipe alignment device, and keeping the axes of the two steel pipes on the same axial center to form a welding seam between the two steel pipes; 102, positioning a welding seam between two steel pipes by using a welding seam positioning device; Step 103, welding seams of the steel pipes by using a laser welding machine, wherein at least two laser welding machines are arranged at intervals on the periphery of the steel pipes; step 104, rapidly adjusting the laser welding machine to a welding seam between two steel pipes by using an adjusting device; in step 104, the adjusting device includes a universal robotic arm on which the laser welder is mounted; The universal mechanical arm is provided with a welding spot regulator, and the welding spot regulator drives the laser welding machine to weld a welding seam as follows: s1, a welding spot regulator drives a laser welding machine to move towards the axle centers close to two steel pipes through a universal mechanical arm; s2, welding the two steel pipes close to the inner side wall by a laser welding machine; s3, the universal mechanical arm drives the laser welding machine to rotate around the axis direction of the steel pipe; s4, in the rotating process of the laser welding machine, the welding spot regulator drives the laser welding machine to be far away from the steel pipe along the radial direction of the steel pipe; When a laser welding machine is used for welding two steel pipes, an electrode (2) is formed between the two steel pipes, the whole electrode (2) is arc-shaped, a welding head (21) is formed at one end of the arc-shaped electrode (2), a welding tail (22) is formed at the other end of the arc-shaped electrode, and the welding tail (22) on one electrode (2) is covered on the welding head (21) of the other electrode (2).
2. The integrated assembly-to-spot welding process of claim 1, wherein in step 102, the weld positioning device comprises a weld measurer that measures a weld between two steel pipes.
3. The integrated assembly-to-point welding process of claim 2, wherein the weld measurer is connected with a weld adjusting device, and the weld adjusting device adjusts the distance between the weld of the two steel pipes.
4. The integrated assembly-to-spot welding process of claim 1, wherein the end point of the laser welder is flush with the surface of the inner sidewall of the steel pipe in S1.
5. The integrated assembly-to-point welding process according to claim 1, wherein in the step S4, the welding head (21) is in a sphere shape, the welding rod (2) is slowly cooled from the welding head (21) to the welding tail (22), when the welding tail (22) is covered on the welding head (21), the laser welding machine is turned off, the universal mechanical arm drives the laser welding machine to move to the side far away from the steel pipe, and the worker removes the steel pipe.
6. The integrated assembly-to-point welding process of claim 1, wherein the distance between the weld joints is 0.2-0.5mm.
7. The integrated assembly-to-point welding process according to claim 1, wherein after step S4, the worker polishes the surface of the weld of the steel pipe.

Description

Assembly-to-point welding integrated process Technical Field The application relates to the technical field of welding, in particular to a group-to-point welding integrated process. Background At present, welding technology, also called connection engineering, is an important material processing technology. The process of bonding the materials of the workpieces to be welded (homogeneous or heterogeneous) with or without filling materials to form permanent bonds by heating or pressurizing or both is called welding. In the related art, a worker butts the end parts of two steel pipes together, then takes a welding gun to weld the butt joint parts of the two steel pipes, rotates the steel pipes on two sides in the welding process, and welds butt joints of the steel pipes through the rotation of the steel pipes. Aiming at the related technology, the inventor considers that manual welding is adopted in the welding of the steel pipe orifice, the flaming light sprayed in the manual welding process is easy to splash, the safety of workers is threatened, and meanwhile, the position of the steel pipe orifice cannot be accurately positioned and butted, so that the welding speed is slower. Disclosure of Invention In order to solve the problem of slower manual welding speed, the application provides a group-to-point welding integrated process. The application provides a group-to-point welding integrated process which adopts the following technical scheme: A group-to-point welding integrated process comprises the following steps of 101, positioning two steel pipes by utilizing a steel pipe alignment device, keeping the axes of the two steel pipes on the same axis, forming a welding seam between the two steel pipes, 102, positioning the welding seam between the two steel pipes by utilizing a welding seam positioning device, 103, welding the welding seam between the two steel pipes by utilizing a laser welding machine at least at intervals, and 104, quickly adjusting the laser welding machine to the welding seam between the two steel pipes by utilizing an adjusting device. Optionally, in step 102, the weld positioning device includes a weld measurer that measures a weld between two steel pipes. Optionally, a welding seam adjusting device is connected to the welding seam measurer, and the welding seam adjusting device adjusts the distance between the welding seams between the two steel pipes. Optionally, in step 104, the adjusting device includes a gimbal robot, and the laser welder is mounted on the gimbal robot. The welding machine comprises a universal mechanical arm, a welding spot adjuster, a welding head, a welding tail, a welding head and a welding tail, wherein the welding spot adjuster is arranged on the universal mechanical arm and drives the laser welding machine to move towards the axis which is close to two steel pipes through the universal mechanical arm, S2, the laser welding machine welds the two steel pipes which are close to the inner side wall, S3, the universal mechanical arm drives the laser welding machine to rotate around the axis direction of the steel pipes, S4, the welding spot adjuster drives the laser welding machine to move away from the steel pipes along the radius direction of the steel pipes in the rotating process, welding rods are formed between the two steel pipes when the laser welding machine welds the two steel pipes, the whole welding rods are arc-shaped, the welding tail is formed on the other end of the welding head which is formed on one end of the arc-shaped welding rod, and the welding tail on one welding rod covers the welding head of the other welding rod. Optionally, in S1, the end point of the laser welder is flush with the surface of the inner sidewall of the steel pipe. Optionally, in step S4, the welding head is in a sphere shape, the welding rod is slowly cooled from the welding head to the welding tail, when the welding tail is covered on the welding head, the laser welder is turned off, the universal mechanical arm drives the laser welder to move to a side far away from the steel pipe, and the worker takes down the steel pipe. Optionally, the interval between the welding seams is 0.2-0.5mm. Optionally, after step S4, the worker polishes the surface of the weld bead of the steel pipe. In summary, the application comprises at least one of the following beneficial technical effects: In the application, fix a position two steel pipes that wait welded through steel pipe aligning device, fix a position the axis of two steel pipes on same horizontal line, then fix a position the welding seam between two steel pipes through welding seam positioner, afterwards the welding seam of laser welder to steel pipe welds, adjusting device can fix a position the laser welder fast to between two steel pipes, set up two at least laser welder multiplicable steel pipe welded speed and be the multiple increase, saved manual welding, prevent the fire and light splash of welding in-process injecti