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CN-122007758-A - Auxiliary positioning welding device for magnesium alloy skylight skeleton

CN122007758ACN 122007758 ACN122007758 ACN 122007758ACN-122007758-A

Abstract

The invention relates to the technical field of magnesium alloy skylight skeleton processing, in particular to a magnesium alloy skylight skeleton auxiliary positioning welding device which comprises a welding platform, wherein a welding structure is arranged at the top of the welding platform in a sliding mode, skylight beam fixing seats are bolted to the front side and the rear side of the top of the welding platform, skylight longitudinal beam fixing seats are bolted to the two sides between the two skylight beam fixing seats, auxiliary positioning structures are arranged in the skylight beam fixing seats and the interior of the skylight longitudinal beam fixing seats, the auxiliary positioning structures comprise top end fixing assemblies, the top end fixing assemblies are respectively bolted to the tops of the skylight beam fixing seats and the skylight longitudinal beam fixing seats, and a plurality of bottom end supporting assemblies are respectively arranged in the interior of the skylight beam fixing seats and the interior of the skylight longitudinal beam fixing seats in a sliding mode along the length direction. The invention provides an auxiliary positioning welding device for a magnesium alloy skylight skeleton, which has the advantages of accurate positioning and stable clamping functions and ensures the welding quality of the magnesium alloy skylight skeleton.

Inventors

  • LU XIANZHENG
  • WANG JIN
  • YU LE

Assignees

  • 江苏领泰汽车科技有限公司

Dates

Publication Date
20260512
Application Date
20260313

Claims (10)

  1. 1. The auxiliary positioning welding device for the magnesium alloy skylight skeleton comprises a welding platform (1) and is characterized in that a welding structure (2) is arranged at the top of the welding platform (1) in a sliding mode, skylight beam fixing seats (3) are bolted to the front side and the rear side of the top of the welding platform (1), skylight longitudinal beam fixing seats (4) are bolted to the two sides between the two skylight beam fixing seats (3), and auxiliary positioning structures (5) are arranged in the skylight beam fixing seats (3) and the interior of the skylight longitudinal beam fixing seats (4); The auxiliary positioning structure (5) comprises a top end fixing assembly (51), the top end fixing assembly (51) is respectively bolted to the tops of the skylight crossbeam fixing seat (3) and the skylight longitudinal beam fixing seat (4), a plurality of bottom end supporting assemblies (52) are slidably arranged in the skylight crossbeam fixing seat (3) and the skylight longitudinal beam fixing seat (4) along the length direction, the surface of the bottom end supporting assemblies (52) is clamped with a rigid fixing assembly (53), the other ends of the rigid fixing assemblies (53) are respectively located the outsides of the skylight crossbeam fixing seat (3) and the skylight longitudinal beam fixing seat (4) and are slidably provided with a pressing column (54), a follow-up plate (55) is welded to the tops of the pressing columns (54), and the other ends of the follow-up plate (55) are fixedly connected with the top end fixing assembly (51).
  2. 2. The auxiliary positioning welding device for the magnesium alloy skylight skeleton is characterized in that the top fixing component (51) comprises an upper mounting plate (511), a fixing plate (512) is bolted to the bottom of the upper mounting plate (511), a rubber plate (513) is arranged at the bottom of the fixing plate (512), a corrugated plate (514) is enclosed between the rubber plate (513) and the fixing plate (512), an expansion cavity is enclosed between the corrugated plate (514), the fixing plate (512) and the rubber plate (513), a plurality of telescopic rods (515) are fixedly connected to the top of the rubber plate (513) along the length direction, the top of each telescopic rod (515) is fixedly connected with the corresponding fixing plate (512), a reset tension spring (516) is sleeved on the surface of each telescopic rod (515), and two ends of each reset tension spring (516) are connected with the corresponding fixing plate (512) and the corresponding rubber plate (513).
  3. 3. The auxiliary positioning and welding device for the magnesium alloy skylight skeleton is characterized in that the tops of the skylight cross beam fixing seat (3) and the skylight longitudinal beam fixing seat (4) are slidably connected with a connecting plate (6), the connecting positions of the connecting plate (6) and the skylight cross beam fixing seat (3) and the skylight longitudinal beam fixing seat (4) are fixed through bolts, and the tops of the connecting plate (6) are bolted with an upper mounting plate (511).
  4. 4. The magnesium alloy skylight skeleton auxiliary positioning welding device according to claim 1, wherein the bottom end supporting component (52) comprises ejector pins (521), the ejector pins (521) are respectively arranged inside a skylight crossbeam fixing seat (3) and a skylight longitudinal beam fixing seat (4) in a sliding mode, a magnetic plate (522) is bolted to the bottom of the ejector pins (521), a positioning plate (523) is arranged at the bottom of the magnetic plate (522), an electromagnet (524) is bolted to the top of the positioning plate (523), the electromagnet (524) is matched with the magnetic plate (522), a guide pillar (525) penetrates through the inner portion of the magnetic plate (522) in a sliding mode, the bottom of the guide pillar (525) is bolted to the positioning plate (523), a first reset spring (526) is sleeved on the surface of the guide pillar (525), and two ends of the first reset spring (526) are respectively connected with the magnetic plate (522) and the positioning plate (523).
  5. 5. The auxiliary positioning and welding device for the magnesium alloy skylight skeleton is characterized in that the ejector pins (521) are respectively arranged along the length directions of the skylight crossbeam fixing seat (3) and the skylight longitudinal beam fixing seat (4), and guide holes matched with the ejector pins (521) are formed in the skylight crossbeam fixing seat (3) and the skylight longitudinal beam fixing seat (4).
  6. 6. The auxiliary positioning welding device for the magnesium alloy skylight skeleton is characterized in that the rigid fixing component (53) comprises a fixing base (531) positioned in the middle of two adjacent thimbles (521), the top of the fixing base (531) is respectively bolted with the inner walls of a skylight crossbeam fixing seat (3) and a skylight longitudinal beam fixing seat (4), movable bases (532) are slidably arranged on the side surfaces inside the skylight crossbeam fixing seat (3) and the skylight longitudinal beam fixing seat (4), one sides of the movable bases (532) and the fixing base (531) close to the thimbles (521) are tightly contacted with the movable bases, one sides of the movable bases (532) far away from the fixing seats are welded with movable plates (533), the other ends of the movable plates (533) are welded with driven wedge blocks (535), the bottoms of the driven wedge blocks (535) are welded with ejector rods (536), the bottom ends of the ejector rods (536) are slidably sleeved with hollow tubes (537), and the other ends of the hollow tubes (537) are matched with the pressing posts (54).
  7. 7. The auxiliary positioning and welding device for the magnesium alloy skylight skeleton of claim 6, wherein the connection parts of the driving wedge block (535) and the driven wedge block (534) are respectively provided with an adaptive inclined surface part, and the driving wedge block (535) and the driven wedge block (534) are matched through the inclined surface parts.
  8. 8. The auxiliary positioning welding device for the magnesium alloy skylight skeleton is characterized in that a support plate (7) is welded inside the hollow tube (537), a pushing rod (8) is arranged inside the support plate (7) in a sliding mode, a piston plate (9) is welded at the bottom of the pushing rod (8), the surface of the piston plate (9) is in sliding contact with the inner wall of the hollow tube (537), the top of the pushing rod (8) is welded with the pushing rod (536), a second reset spring (10) is sleeved on the surface of the pushing rod (8), and two ends of the second reset spring (10) are respectively in butt joint with the support plate (7) and the piston plate (9).
  9. 9. The auxiliary positioning welding device for the magnesium alloy skylight skeleton is characterized in that a plurality of fixing grooves matched with the thimble (521) are formed in the joint of the movable seat (532) and the fixing base (531), a plurality of guide rods (11) are welded on one side, close to the fixing base (531), of the movable seat (532) along the length direction, the guide rods (11) are in sliding contact with the inner wall of the fixing base (531), a pushing plate (12) is in contact between the guide rods (11) and the inner wall of the fixing base (531), and an elastic sheet (13) is arranged between the pushing plate (12) and the inner wall of the fixing base (531).
  10. 10. The auxiliary positioning and welding device for the magnesium alloy skylight skeleton of claim 2, wherein the upper mounting plate (511) is internally penetrated with an air pipe (14), the air pipe (14) is fixedly communicated with the fixing plate (512), and two adjacent air pipes (14) are communicated through a quick joint.

Description

Auxiliary positioning welding device for magnesium alloy skylight skeleton Technical Field The invention relates to the technical field of magnesium alloy skylight skeleton processing, in particular to an auxiliary positioning welding device for a magnesium alloy skylight skeleton. Background As known, the manufacturing precision of the automobile skylight skeleton as an important automobile body structural member and a functional member directly influences the sealing performance, abnormal sound control and overall appearance quality of the skylight, and along with the increasingly urgent demand of automobile weight reduction, magnesium alloy gradually becomes an ideal material of the skylight skeleton due to the advantages of low density, high specific strength, good damping performance and the like. In the automobile manufacturing field, magnesium alloy skylight skeleton is formed by crossbeam and longeron welding more, and current magnesium alloy skylight skeleton welding set has the problem that positioning accuracy is not enough, and traditional positioner adopts single stuck point or simple anchor clamps to fix more, is difficult to adapt to the complex mosaic structure of crossbeam and longeron, and the locating deviation easily appears, leads to the welded seam dislocation, influences welding strength and appearance quality. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an auxiliary positioning welding device for a magnesium alloy skylight skeleton, which has the advantages of accurate positioning and stable clamping functions and ensures the welding quality of the magnesium alloy skylight skeleton. The technical aim of the invention is achieved by the following technical scheme that the auxiliary positioning welding device for the magnesium alloy skylight skeleton comprises a welding platform, wherein the top of the welding platform is provided with a welding structure in a sliding manner, the front side and the rear side of the top of the welding platform are respectively bolted with a skylight crossbeam fixing seat, two sides between the two skylight crossbeam fixing seats are respectively bolted with a skylight longitudinal beam fixing seat, and the interiors of the skylight crossbeam fixing seat and the skylight longitudinal beam fixing seats are respectively provided with an auxiliary positioning structure; The auxiliary positioning structure comprises a top fixing assembly, the top fixing assembly is respectively bolted at the tops of the skylight beam fixing seat and the skylight longitudinal beam fixing seat, a plurality of bottom supporting assemblies are arranged inside the skylight beam fixing seat and the skylight longitudinal beam fixing seat in a sliding mode along the length direction, the surfaces of the bottom supporting assemblies are clamped with rigid fixing assemblies, the other ends of the rigid fixing assemblies are respectively located the outer sides of the skylight beam fixing seat and the skylight longitudinal beam fixing seat and are provided with pressing columns in a sliding mode, the tops of the pressing columns are welded with follower plates, and the other ends of the follower plates are fixedly connected with the top fixing assemblies. By adopting the technical scheme, through setting up auxiliary positioning structure, in the course of the work, the bottom support subassembly of array distribution is at first with extremely low pressure self-adaptation laminating skeleton profile, the three-dimensional shape of accurate laminating skylight skeleton crossbeam and longeron, the initial location of no stress has been realized, the flexible clamp force of rethread top fixed subassembly from top down provides, form the flexible restraint to skylight skeleton crossbeam and longeron upper and lower direction, and can drive the butt post through the follower plate and remove when top fixed subassembly and skeleton in close contact, make the butt post drive the fixed subassembly of rigidity and move, make the fixed subassembly of rigidity carry out rigid locking to bottom support subassembly position, can change all self-adaptation bottom support units into the rigid support post, provide firm basis for the welding, thereby promote the concatenation and the welding precision of skeleton, effectively avoided the seam dislocation because of the locating deviation leads to, the welding strength of skylight skeleton has been ensured. The top end fixing assembly is further arranged in a way that the top end fixing assembly comprises an upper mounting plate, the bottom of the upper mounting plate is bolted with a fixing plate, the bottom of the fixing plate is provided with a rubber plate, a corrugated plate is enclosed between the rubber plate and the fixing plate, an expansion cavity is enclosed between the corrugated plate, the fixing plate and the rubber plate, the top of the rubber plate is fixedly connected with a plurality of tele