Multi-section welding device of laser welding machine

Abstract

The utility model relates to the technical field of laser welding machines, in particular to a multi-section welding device of a laser welding machine. The clamping mechanism comprises a plurality of groups of clamping mechanisms which are arranged in the moving groove in a sliding manner and are fixedly connected with the rack through fastening bolts a; the welding mechanisms are arranged in the sliding grooves in a sliding mode and fixedly connected with the rack through fastening bolts b, and the welding mechanisms are located between every two clamping mechanisms; and the moving mechanisms are slidably arranged in the moving grooves and fixedly connected with the rack through fastening bolts c, and the multiple sets of moving mechanisms are located on the two sides of the welding mechanism and used for moving the pipelines. By arranging the moving mechanism, after the pipelines to be welded are placed on each clamping mechanism, the moving mechanism is started to drive the pipelines to move, the pipelines are in butt joint, then the clamping mechanisms are started to clamp and fix the pipelines subjected to butt joint, the pipelines can be automatically moved, and butt joint of the welding positions of the pipelines is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welders, in particular to a multi-stage welding device of a laser welder. Background Art

[0002] Laser welding machine is the full name of laser welding machine, which is a machine used for laser welding of material processing. Laser welding uses high-energy laser pulses to locally heat the material in a small area. The energy of laser radiation diffuses into the inside of the material through heat conduction, melting the material to form a specific molten pool. It is usually necessary to weld multiple sections of pipes together for use, and the welding points of multiple sections of pipes need to be butt-jointed during welding.

[0003] The Chinese patent with announcement number CN219805531U discloses a multi-section welding device of a laser welder. Multiple groups of clamps and laser welding heads are arranged and movably connected to the frame. The position of the laser welding head can be adjusted according to the length of the pipeline, and the adaptability is wider. The clamp is used to clamp multiple sections of steel pipes and rotate synchronously to achieve the purpose of simultaneous multi-section welding, which can effectively improve the welding efficiency.

[0004] However, the above patent has the following shortcomings:

[0005] The welding device requires manual movement of the pipeline to butt the welded parts of the pipeline. When the pipeline is heavy or large in size, it is difficult to manually move the pipeline on the rack. Utility Model Content

[0006] The utility model aims to solve the problems existing in the background technology and proposes a laser welding machine multi-section welding device which can automatically move pipelines and facilitate butt-jointing of pipeline welding parts.

[0007] The technical solution of the utility model is a multi-section welding device of a laser welder, comprising a frame, which is provided with a movable groove, a sliding groove and a plurality of mounting holes; a clamping mechanism, which is slidably arranged in the movable groove, and is fixedly connected to the frame by a fastening bolt a, and a plurality of groups of the clamping mechanism are provided; a welding mechanism, which is slidably arranged in the sliding groove, and is fixedly connected to the frame by a fastening bolt b, and a plurality of groups of the clamping mechanism are provided, and the plurality of groups of the clamping mechanism are located between every two groups of the clamping mechanism; and a movable mechanism, which is slidably arranged in the movable groove, and is fixedly connected to the frame by a fastening bolt c, and a plurality of groups of the clamping mechanism are provided, and the plurality of groups of the clamping mechanism are located on both sides of the welding mechanism, and are used to move the pipeline.

[0008] Preferably, the fastening bolt a, the fastening bolt b and the fastening bolt c are all threadedly disposed in the mounting hole.

[0009] Preferably, the clamping mechanism includes a sliding block slidably arranged in a movable groove, a lower clamping frame arranged on the sliding block, a plurality of rotating rollers a rotatably arranged on the lower clamping frame, a rotating motor arranged on the lower clamping frame and drivingly connected to one of the rotating rollers a, a sliding frame arranged on the sliding block, a hydraulic cylinder arranged on the sliding frame, an upper clamping frame slidably arranged on the sliding frame and connected to the output end of the hydraulic cylinder, and a plurality of rotating rollers b rotatably arranged on the upper clamping frame.

[0010] Preferably, the moving mechanism includes a moving frame slidably arranged in the moving groove, a mounting base plate arranged on the moving frame, a lifting mechanism arranged on the moving frame, and rolling assemblies respectively arranged on the mounting base plate and the lifting mechanism, the two groups of rolling assemblies are arranged opposite to each other, and a driving motor is arranged on one group of the rolling assemblies.

[0011] Preferably, the lifting mechanism includes a moving motor arranged on the moving frame, a screw rod rotatably arranged on the moving frame and driven by the moving motor, and a moving plate slidably arranged on the moving frame and threadedly connected to the screw rod, and the rolling assembly is arranged on the moving plate.

[0012] Preferably, the rolling assembly comprises a rolling frame arranged on the mounting base plate or the lifting mechanism and rollers rotatably arranged on the rolling frame, and the driving motor is driven to connect one of the rollers.

[0013] Preferably, it also includes an electric telescopic rod arranged on the installation base plate, a lifting frame arranged on the lifting mechanism and a spring arranged on the lifting frame, a group of rolling components are arranged at the output end of the electric telescopic rod, and another group of rolling components are slidably arranged in the lifting frame and connected to the spring.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] 1. The utility model sets a moving mechanism, places the pipe to be welded on each clamping mechanism, starts the moving mechanism to drive the pipe to move, docks the pipe, and then starts the clamping mechanism to clamp and fix the docked pipe. The pipe can be automatically moved to facilitate docking of the pipe welding points.

[0016] 2. The utility model sets an electric telescopic rod, a lifting frame and a spring. Before moving the pipeline, the pipeline is placed on the rolling assembly located below, and the lifting mechanism is started to drive the rolling assembly located above to move until it abuts against the pipeline. At this time, the pipeline abuts against the rotating roller a of the clamping mechanism. The electric telescopic rod is started to drive the pipeline to move upward through the compression spring, so that the pipeline is separated from the rotating roller a of the clamping mechanism, thereby reducing the movement resistance and facilitating the movement of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the clamping mechanism in the embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the moving mechanism in the embodiment of the utility model.

[0020] Figure markings: 1. frame; 101. moving groove; 102. sliding groove; 103. mounting hole; 2. clamping mechanism; 201. sliding block; 202. lower clamping frame; 203. rotating roller a; 204. rotating motor; 205. sliding frame; 206. hydraulic cylinder; 207. upper clamping frame; 208. rotating roller b; 3. fastening bolt a; 4. welding mechanism; 5. fastening bolt b; 6. moving mechanism; 601. moving frame; 602. mounting base plate; 603. lifting mechanism; 631. moving motor; 632. screw; 633. moving plate; 604. rolling assembly; 641. rolling frame; 642. roller; 605. driving motor; 7. fastening bolt c; 8. lifting frame. DETAILED DESCRIPTION

[0021] Embodiment 1

[0022] like Figure 1-Figure 3 As shown, a laser welding machine multi-stage welding device proposed in this embodiment includes a frame 1, a clamping mechanism 2, a welding mechanism 4 and a moving mechanism 6. The frame 1 has a moving groove 101, a sliding groove 102 and a plurality of mounting holes 103. The fastening bolts a3, b5 and c7 are all threadedly arranged in the mounting holes 103. It is convenient to move the clamping mechanism 2, the welding mechanism 4 and the moving mechanism 6 on the frame 1, so that the device can be applied to pipes of different sizes.

[0023] The clamping mechanism 2 is slidably arranged in the moving groove 101, and the clamping mechanism 2 is fixedly connected to the frame 1 by fastening bolts a3, so as to facilitate fixing the clamping mechanism 2 after moving the clamping mechanism 2. There are multiple groups of clamping mechanisms 2, and each group of clamping mechanisms 2 is used to clamp and fix a pipe.

[0024] The welding mechanism 4 is slidably arranged in the sliding groove 102, and is fixedly connected to the frame 1 by fastening bolts b5. There are multiple groups of welding mechanisms 4, and the welding mechanism 4 is located between every two groups of clamping mechanisms 2, and the position of the welding mechanism 4 can be adjusted according to the welding position.

[0025] The moving mechanism 6 is slidably arranged in the moving groove 101. The moving mechanism 6 is fixedly connected to the frame 1 by fastening bolts c7. There are multiple groups of the moving mechanism 6. The moving mechanism 6 is located on both sides of the welding mechanism 4. The moving mechanism 6 is used to move the pipeline.

[0026] When in use, the sliding clamping mechanism 2 moves the clamping mechanism 2 to a suitable position, fixes it by tightening the bolt a3, places the pipe to be welded on each clamping mechanism 2, starts the moving mechanism 6 to drive the pipe to move, docks the welded part, starts the clamping mechanism 2 to clamp and fix the pipe after docking, and starts the welding mechanism 4 to weld. The device can automatically move the pipe, facilitate docking the welded part of the pipe, and save manpower.

[0027] Embodiment 2

[0028] like Figure 2 As shown, a laser welding machine multi-stage welding device proposed in this embodiment, compared with the first embodiment, in this embodiment, the clamping mechanism 2 includes a sliding block 201 slidably arranged in the moving groove 101, a lower clamping frame 202 arranged on the sliding block 201, a plurality of rotating rollers a203 rotatably arranged on the lower clamping frame 202, a rotating motor 204 arranged on the lower clamping frame 202 and drivingly connected to one of the rotating rollers a203, a sliding frame 205 arranged on the sliding block 201, a hydraulic cylinder 206 arranged on the sliding frame 205, an upper clamping frame 207 slidably arranged on the sliding frame 205 and connected to the output end of the hydraulic cylinder 206, and a plurality of rotating rollers b208 rotatably arranged on the upper clamping frame 207. After placing the pipe on the rotating roller a203, start the hydraulic cylinder 206 to drive the upper clamping frame 207 to move, and drive the rotating roller b208 to move to abut against the pipe.

[0029] The specific structure of the clamping mechanism 2 is described in detail in this embodiment. After the pipe is placed on the rotating roller a203 and moved for docking, the hydraulic cylinder 206 is started to make the rotating roller b208 abut against the pipe to clamp and fix the pipe. During welding, the rotating motor 204 is started to drive the pipe to rotate, thereby facilitating welding of the pipe around the pipe.

[0030] Embodiment 3

[0031] like Figure 2 and Figure 3 As shown, a laser welding machine multi-stage welding device proposed in this embodiment, compared with the first embodiment, in this embodiment, the moving mechanism 6 includes a moving frame 601 slidably arranged in the moving groove 101, a mounting base plate 602 arranged on the moving frame 601, a lifting mechanism 603 arranged on the moving frame 601, and rolling components 604 respectively arranged on the mounting base plate 602 and the lifting mechanism 603, two groups of rolling components 604 are arranged oppositely, and a driving motor 605 is arranged on one group of rolling components 604. After placing the pipeline on the rolling component 604, the lifting mechanism 603 is started to drive the rolling component 604 located above to move, so that the upper and lower sides of the pipeline are abutted, so that it can be moved.

[0032] The lifting mechanism 603 includes a moving motor 631 disposed on the moving frame 601, a screw rod 632 rotatably disposed on the moving frame 601 and driven by the moving motor 631, and a moving plate 633 slidably disposed on the moving frame 601 and threadedly connected to the screw rod 632. The rolling assembly 604 is disposed on the moving plate 633. The moving motor 631 is started to drive the screw rod 632 to rotate, driving the moving plate 633 to slide on the moving frame 601, thereby driving the rolling assembly 604 to move.

[0033] The rolling assembly 604 includes a rolling frame 641 disposed on the mounting base plate 602 or the lifting mechanism 603 and rollers 642 rotatably disposed on the rolling frame 641, and a driving motor 605 drives one of the rollers 642. The driving motor 605 drives the roller 642 to rotate, driving the pipeline to move.

[0034] The specific structure of the moving mechanism 6 is described in detail in this embodiment. After the pipe is placed on the rotating roller a203, the pipe abuts against the roller 642 on the mounting base 602. The moving motor 631 is started to drive the moving plate 633 to move downward until the roller 642 on the lifting mechanism 603 abuts against the pipe. At this time, the driving motor 605 is started to drive the pipe to move.

[0035] Embodiment 4

[0036] like Figure 2 and Figure 3 As shown, a laser welder multi-stage welding device proposed in this embodiment, compared with the third embodiment, in this embodiment, it also includes an electric telescopic rod arranged on the mounting base plate 602, a lifting frame 8 arranged on the lifting mechanism 603, and a spring arranged on the lifting frame 8, a group of rolling components 604 are arranged at the output end of the electric telescopic rod, and another group of rolling components 604 are slidably arranged in the lifting frame 8 and connected to the spring. The electric telescopic rod and the spring are not drawn in the figure. After starting the lifting mechanism 603 to allow the two groups of rolling components 604 to abut against the upper and lower surfaces of the pipeline respectively, the electric telescopic rod is started, and the pipeline is driven to move upward by compressing the spring, so that the pipeline is separated from the rotating roller a203, thereby reducing friction.

[0037] This embodiment describes in detail the connection relationship between the electric telescopic rod, the spring and the lifting frame 8. After the two sets of rolling components 604 are in contact with the pipe, the electric telescopic rod is started to drive the pipe to move upward, so that the pipe is separated from the rotating roller a of the clamping mechanism 2, which facilitates the movement of the pipe.

[0038] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A laser welding machine multi-stage welding device, characterized in that: include: A frame (1) having a moving slot (101), a sliding slot (102) and a plurality of mounting holes (103); A clamping mechanism (2) is slidably disposed in the movable groove (101) and is fixedly connected to the frame (1) via a fastening bolt a (3), and is provided in multiple groups; A welding mechanism (4) is slidably disposed in the sliding groove (102) and is fixedly connected to the frame (1) via a fastening bolt b (5). There are multiple groups of welding mechanisms, each of which is located between every two groups of clamping mechanisms (2); and The moving mechanism (6) is slidably arranged in the moving groove (101) and is fixedly connected to the frame (1) by means of fastening bolts c (7). There are multiple groups of the moving mechanism (6) which are located on both sides of the welding mechanism (4) and are used to move the pipeline.

2. A laser welding machine multi-stage welding device according to claim 1, characterized in that: The fastening bolt a (3), the fastening bolt b (5) and the fastening bolt c (7) are all threadedly disposed in the mounting hole (103).

3. A laser welding machine multi-stage welding device according to claim 1, characterized in that: The clamping mechanism (2) comprises a sliding block (201) slidably arranged in a movable groove (101), a lower clamping frame (202) arranged on the sliding block (201), a plurality of rotating rollers a (203) rotatably arranged on the lower clamping frame (202), a rotating motor (204) arranged on the lower clamping frame (202) and drivingly connected to one of the rotating rollers a (203), a sliding frame (205) arranged on the sliding block (201), a hydraulic cylinder (206) arranged on the sliding frame (205), an upper clamping frame (207) slidably arranged on the sliding frame (205) and connected to the output end of the hydraulic cylinder (206), and a plurality of rotating rollers b (208) rotatably arranged on the upper clamping frame (207).

4. A laser welding machine multi-stage welding device according to claim 1, characterized in that: The moving mechanism (6) comprises a moving frame (601) slidably arranged in the moving groove (101), a mounting base plate (602) arranged on the moving frame (601), a lifting mechanism (603) arranged on the moving frame (601), and rolling assemblies (604) respectively arranged on the mounting base plate (602) and the lifting mechanism (603), two groups of rolling assemblies (604) are arranged opposite to each other, and a driving motor (605) is arranged on one group of rolling assemblies (604).

5. A laser welding machine multi-stage welding device according to claim 4, characterized in that: The lifting mechanism (603) comprises a moving motor (631) arranged on the moving frame (601), a screw rod (632) rotatably arranged on the moving frame (601) and driven by the moving motor (631), and a moving plate (633) slidably arranged on the moving frame (601) and threadedly connected to the screw rod (632), and the rolling assembly (604) is arranged on the moving plate (633).

6. A laser welding machine multi-stage welding device according to claim 4, characterized in that: The rolling assembly (604) comprises a rolling frame (641) arranged on the mounting base plate (602) or the lifting mechanism (603) and rollers (642) rotatably arranged on the rolling frame (641), and a driving motor (605) drives and connects one of the rollers (642).

7. A laser welding machine multi-stage welding device according to claim 4, characterized in that: The invention also comprises an electric telescopic rod arranged on a mounting base plate (602), a lifting frame (8) arranged on a lifting mechanism (603), and a spring arranged on the lifting frame (8); a group of rolling assemblies (604) is arranged at an output end of the electric telescopic rod; and another group of rolling assemblies (604) is slidably arranged in the lifting frame (8) and connected to the spring.

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