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CN-224223021-U - Butt joint device for laser welding of titanium alloy sheet

CN224223021UCN 224223021 UCN224223021 UCN 224223021UCN-224223021-U

Abstract

The utility model discloses a butt joint device for laser welding of a titanium alloy sheet, which comprises a base, wherein a workbench is fixed at the top of the base, positioning mechanisms for positioning and butt joint of the titanium alloy sheet are installed at two ends of the top of the workbench, each positioning mechanism comprises an L-shaped placing seat and a guide seat, each L-shaped placing seat is installed at two ends of the workbench, each guide seat is fixedly installed at the center of the front surface and the back surface of the top of the workbench, positioning plates are installed on the front surface and the back surface of the top of the transverse end of each L-shaped placing seat, a protection component for shielding welding spark of the titanium alloy sheet is arranged at one end of the inner side of each positioning plate, and each protection component comprises a slot, an inserting plate and a spark-proof baffle plate. According to the utility model, through the cooperative work of the protection component and the positioning mechanism, the spark protection and the rapid disassembly and assembly functions during welding of the titanium alloy sheet are realized, and the high-precision positioning and stable welding are ensured, so that the welding quality, the efficiency and the yield are obviously improved.

Inventors

  • YU BINBIN
  • WANG XIAORONG
  • WANG CHAOQIN

Assignees

  • 兰州交通大学

Dates

Publication Date
20260512
Application Date
20250716

Claims (8)

  1. 1. The butt joint device for the titanium alloy sheet laser welding comprises a base (1) and is characterized in that a workbench (2) is fixed at the top of the base (1), and positioning mechanisms for positioning and butt joint of the titanium alloy sheet are arranged at two ends of the top of the workbench (2); the positioning mechanism comprises an L-shaped placing seat (4) and a guide seat (15), wherein the L-shaped placing seat (4) is arranged at two ends of the workbench (2), and the guide seat (15) is fixedly arranged at the centers of the front surface and the back surface of the top of the workbench (2); the anti-spark device is characterized in that a locating plate (5) is arranged on the front face and the back face of the top of the transverse end of the L-shaped placing seat (4), a protection component for shielding welding sparks of a titanium alloy sheet is arranged at one end of the inner side of the locating plate (5), the protection component comprises a slot (7), an inserting plate (701) and an anti-spark baffle (8), the slot (7) is arranged on the inner side of the locating plate (5), the inserting plate (701) is clamped in the slot (7), and the anti-spark baffle (8) is fixedly connected between the two inserting plates (701) together.
  2. 2. The butt joint device for the laser welding of the titanium alloy sheet according to claim 1, wherein the positioning mechanism further comprises an electric telescopic rod (3), a moving groove (301), a moving block (302), a fixed block (303) and a fixed groove (304); Wherein, electric telescopic handle (3) fixed mounting is in the both ends of workstation (2) both sides, and two removal groove (301) that are parallel to each other have been seted up to the top both ends symmetry of workstation (2), and electric telescopic handle (3) run through to the inside output fixedly connected with movable block (302) of removal groove (301), and movable block (302) sliding connection is in the inside of removal groove (301), and the top fixedly connected with fixed block (303) of movable block (302), fixed block (303) joint in the inside of fixed slot (304), and the bottom of L type seat (4) is placed in fixed slot (304) seting up.
  3. 3. The butt joint device for the laser welding of the titanium alloy sheet according to claim 1, wherein the protection assembly further comprises a connecting seat (9), a clamping plate (901) and a clamping groove (902); Wherein, connecting seat (9) fixed mounting is in the top both ends of anti-spark baffle (8), and the bottom both ends fixed mounting of connecting seat (9) has cardboard (901), and the bottom center of connecting seat (9) is fixed with picture peg (701), cardboard (901) joint in the inside of draw-in groove (902), draw-in groove (902) are seted up on the top of locating plate (5), and are located the both ends of slot (7) top opening part.
  4. 4. The butt joint device for laser welding of the titanium alloy sheet according to claim 1, wherein one end of the positioning plate (5) is fixedly connected with a sliding plate (501), two ends of the inner side of the vertical end of the L-shaped placing seat (4) are provided with sliding grooves (502), and the sliding plate (501) is connected inside the sliding grooves (502) in a sliding mode.
  5. 5. The butt joint device for laser welding of titanium alloy sheets according to claim 4, wherein a limiting groove (503) is formed in the lowest portion of the inner side of the positioning plate (5), and the limiting groove (503) is communicated with the slot (7).
  6. 6. The butt joint device for laser welding of the titanium alloy sheet according to claim 1, wherein two mounting seats (10) are symmetrically mounted on the inner side of the vertical end of the L-shaped placing seat (4), a clamping cylinder (13) is fixedly mounted at one end of the top of each mounting seat (10), and an output end of each clamping cylinder (13) penetrating through the bottom of each mounting seat (10) is connected with a pressing plate (14) through a mounting plate.
  7. 7. The butt joint device for laser welding of the titanium alloy sheet according to claim 6, wherein the inner side of the mounting seat (10) is symmetrically and fixedly provided with mounting blocks (11), mounting grooves (12) are formed in two ends of the inner side of the vertical end of the L-shaped placing seat (4), the mounting blocks (11) are clamped in the mounting grooves (12), and the mounting grooves (12) are located at the inner ends of the sliding grooves (502).
  8. 8. The butt joint device for laser welding of the titanium alloy sheet according to claim 1, wherein a plurality of groups of positioning columns (6) are fixedly arranged at the bottom of the positioning plate (5), a plurality of groups of positioning grooves (601) are formed in the front end and the back end of the top of the transverse end of the L-shaped placing seat (4), and the positioning columns (6) are clamped in the positioning grooves (601).

Description

Butt joint device for laser welding of titanium alloy sheet Technical Field The utility model relates to the technical field of titanium alloy sheets, in particular to a butt joint device for laser welding of a titanium alloy sheet. Background The titanium alloy sheet is a rolled sheet of titanium-based alloy (such as Ti-6Al-4V, pure titanium, etc.) with a thickness generally ranging from 0.1 to 3mm, has high strength, low density, corrosion resistance and excellent biocompatibility, and needs to be processed by precision machining (such as laser cutting and stamping) and special welding processes (such as laser welding and electron beam welding). And when the titanium alloy sheet is welded by laser, the titanium alloy sheet needs to be butted and fixed by using a butting device so as to improve the stability of the titanium alloy sheet during laser welding. At present, the existing titanium alloy sheet laser welding butt joint device has two general defects that on one hand, high-temperature metal particles splashed in the welding process can cause mechanical abrasion on the surface of a titanium alloy to influence the surface quality of a material due to the lack of an effective spark protection structure, and on the other hand, the positioning system of the existing device is insufficient in precision, the sheet is difficult to align, the control of a welding seam gap is unstable, and the accuracy and the yield of a welding process are seriously reduced. Disclosure of Invention The utility model aims to provide a butt joint device for laser welding of a titanium alloy sheet, which not only realizes the spark protection and quick disassembly and assembly functions during welding of the titanium alloy sheet, but also ensures high-precision positioning and stable welding, thereby remarkably improving the welding quality, efficiency and yield and solving the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The butt joint device for the titanium alloy sheet laser welding comprises a base, wherein a workbench is fixed at the top of the base, positioning mechanisms for positioning and butt joint of the titanium alloy sheet are installed at two ends of the top of the workbench, each positioning mechanism comprises an L-shaped placing seat and a guide seat, each L-shaped placing seat is installed at two ends of the workbench, and each guide seat is fixedly installed at the center of the front face and the back face of the top of the workbench; The front and the back of the top of the transverse end of the L-shaped placing seat are provided with positioning plates, one end of the inner side of each positioning plate is provided with a protection component for shielding a spark during welding of the titanium alloy sheet, each protection component comprises a slot, an inserting plate and a spark-proof baffle, each slot is arranged on the inner side of each positioning plate, the inserting plates are clamped and connected inside the slots, and the spark-proof baffles are fixedly connected between the two inserting plates. Preferably, the positioning structure further comprises an electric telescopic rod, a moving groove, a moving block, a fixed block and a fixed groove, wherein the electric telescopic rod is fixedly installed at two ends of two sides of the workbench, two mutually parallel moving grooves are symmetrically formed in two sides of the top of the workbench, the electric telescopic rod penetrates through the moving block to be fixedly connected with the output end of the inside of the moving groove, the moving block is slidably connected with the inside of the moving groove, the top of the moving block is fixedly connected with the fixed block, the fixed block is clamped in the inside of the fixed groove, and the fixed groove is formed in the bottom of the L-shaped placing seat. Preferably, the protection component further comprises a connecting seat, clamping plates and clamping grooves, wherein the connecting seat is fixedly arranged at two ends of the top of the anti-spark baffle, the clamping plates are fixedly arranged at two ends of the bottom of the connecting seat, the inserting plates are fixedly arranged at the centers of the bottoms of the connecting seat, the clamping plates are clamped inside the clamping grooves, the clamping grooves are formed in the top of the positioning plate and are located at two ends of the opening of the top of the slot. Preferably, one end fixedly connected with slide of locating plate, the spout has been seted up at the inboard both ends of the vertical end of seat is placed to the L type, and the inside sliding connection of spout has the slide. Preferably, a limiting groove is formed in the lowest portion of the inner side of the positioning plate, and the limiting groove is communicated with the slot. Preferably, two mounting seats are symmetrically mounted on the