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CN-122007614-A - Laser welding device for shock absorber pin

CN122007614ACN 122007614 ACN122007614 ACN 122007614ACN-122007614-A

Abstract

The invention relates to the technical field of laser welding, and discloses a laser welding device for a shock absorber pin, which comprises an installation bottom plate, a limit baffle, a fixed toothed plate, a rotary gear, a limit end shock absorber pin, a plug end shock absorber pin, a laser welder, a clamping component, a driving component and a circulating component, wherein the fixed toothed plate is attached to the inner wall of the limit baffle, the fixed toothed plate and the rotary gear are positioned on the same plane and meshed with each other, the device realizes through circulation subassembly and gear engagement structure that wait to weld the work piece revolution and rotation go on in step, and cooperation drive assembly drives laser welder synchronous motion, need not laser and encircles the work piece, can accomplish even girth, and the welding seam is regular in succession, is showing and is improving welding precision and connection stability, and this circulation overall arrangement support is material preparation in advance and continuous operation, but the synchronous change wait to weld the work piece in the welding process need not to shut down and waits, can promote production efficiency by a wide margin simultaneously.

Inventors

  • Shao Daibin
  • XU TAO
  • DUAN ZHONGLIANG
  • Li Chengnan

Assignees

  • 祥瑞利尔(青岛)智能装备有限公司

Dates

Publication Date
20260512
Application Date
20260318

Claims (10)

  1. 1. The laser welding device for the shock absorber pin is characterized by comprising an installation bottom plate (1), a limit baffle plate (3), a fixed toothed plate (4), a rotary gear (17), a limit end shock absorber pin (22), a plug end shock absorber pin (23), a laser welder (28), a clamping component, a driving component and a circulating component, The fixed toothed plate (4) is attached to the inner wall of the limit baffle (3), and the fixed toothed plate (4) and the rotary gear (17) are positioned on the same plane and meshed with each other; The clamping assembly is used for clamping and fixing the limiting end shock absorber pin (22), and the rotating gear (17) and the limiting end shock absorber pin (22) are coaxially arranged; the circulating assembly can drive the rotating gear (17) to move together when in motion, so that the rotating gear (17) is attached to the inner wall of the fixed toothed plate (4) to rotate, and the rotating gear (17) rotates simultaneously along the axis of the rotating gear under the action of the fixed toothed plate (4); the driving assembly is used for driving the laser welder (28) to synchronously move with the rotating gear (17); the laser welder (28) is used for ring welding the plug-in end shock absorber pin (23) on the limit end shock absorber pin (22).
  2. 2. The laser welding device for the shock absorber pin according to claim 1, wherein the clamping assembly comprises a clamping mounting seat (18), clamping mounting blocks (19), double-headed screw rods (20), a rotating handle (21) and a positioning connecting rod (39), the clamping mounting seat (18) is fixedly mounted on the upper surface of the rotating gear (17), the two clamping mounting blocks (19) are relatively mounted on the inner side of the clamping mounting seat (18), the double-headed screw rods (20) are movably mounted on the inner side of the clamping mounting seat (18), and the clamping mounting blocks (19) and the double-headed screw rods (20) are meshed through threads.
  3. 3. A laser welding device for a shock absorber pin according to claim 2, wherein two positioning connecting rods (39) are fixedly arranged on the inner side of the clamping mounting seat (18), each positioning connecting rod (39) is movably inserted on the inner side of the clamping mounting block (19), and the limiting end shock absorber pin (22) is movably inserted between the two clamping mounting blocks (19).
  4. 4. The laser welding device for the shock absorber pin is characterized in that the driving assembly comprises a fixed mounting frame (6), a rotating mounting frame (24), a transverse mounting block (25), a guide connecting rod (26), a transverse screw rod (27), a No. two speed reducer (29) and a No. two servo motor (30), the fixed mounting frame (6) is fixedly mounted on the upper surface of a limit baffle (3), the rotating mounting frame (24) is fixedly arranged on one side of the fixed mounting frame (6), the guide connecting rod (26) is fixedly arranged on the inner side of the rotating mounting frame (24), the transverse screw rod (27) is movably arranged on the inner side of the rotating mounting frame (24), the transverse mounting block (25) is movably sleeved on the guide connecting rod (26), the transverse screw rod (27) is spliced on the inner side of the transverse mounting block (25) and meshed through threads, and the No. two speed reducers (29) and the No. two servo motor (30) are sequentially fixedly arranged on one side of the rotating mounting frame (24).
  5. 5. The laser welding device for the shock absorber pin according to claim 4, wherein an adjusting mounting plate (36) is movably arranged on the inner side of the transverse mounting block (25), a laser welder (28) and an energy supply plug connector (37) are fixedly arranged at two ends of the adjusting mounting plate (36) respectively, the energy supply plug connector (37) is arranged at one end far away from the shock absorber pin (22) at the limit end, one end of the energy supply plug connector (37) penetrates through the adjusting mounting plate (36) and is fixedly connected with the laser welder (28), and an adjusting screw (38) is movably arranged on the inner side of the adjusting mounting plate (36).
  6. 6. The laser welding device for the shock absorber pin, which is characterized in that a limiting constraint plate (2) is fixedly arranged on the upper surface of the mounting base plate (1), a limiting constraint groove (5) is formed in the upper surface of the limiting constraint plate (2), the limiting baffle (3) is fixedly arranged on the upper surface of the limiting constraint plate (2), the limiting constraint groove (5) is arranged on the inner side of the limiting baffle (3), a supporting connecting frame (9), a first speed reducer (10) and a first servo motor (11) are sequentially and fixedly arranged on the lower surface of the mounting base plate (1), and a power transmission rod (12) is fixedly arranged on the upper surface of the first speed reducer (10).
  7. 7. The laser welding device for the shock absorber pin, as set forth in claim 6, wherein the power transmission wheel (8) and three auxiliary rotating wheels (32) are movably arranged on the upper surface of the mounting base plate (1), one end of the power transmission rod (12) penetrates through the mounting base plate (1) and is fixedly connected with the power transmission wheel (8), an auxiliary rotating shaft (31) is fixedly arranged on the lower surface of the mounting base plate (1), and one end of the auxiliary rotating shaft (31) penetrates through the mounting base plate (1) and is fixedly connected with the corresponding auxiliary rotating wheel (32).
  8. 8. A laser welding device for damper pins according to claim 7, characterized in that the upper surface of the mounting base plate (1) is fixedly provided with a protective shell (7), each protective shell (7) being mounted on a corresponding power transmission wheel (8) or auxiliary rotating wheel (32).
  9. 9. The laser welding device for the shock absorber pin, as set forth in claim 8, wherein the circulating assembly comprises a transmission connecting belt (13), a transmission connecting block (14), a movable constraint plate (15) and a movable constraint block (16), the transmission connecting belt (13) is movably sleeved on each power transmission wheel (8) and each auxiliary rotating wheel (32), the movable constraint plate (15) is fixedly installed on the outer surface of the transmission connecting belt (13), one end, far away from the transmission connecting belt (13), of the movable constraint plate (15) is fixedly provided with the transmission connecting block (14), the lower surface of the transmission connecting block (14) is fixedly provided with the movable constraint block (16), and one end of the movable constraint block (16) is movably inserted into the inner side of the limiting constraint groove (5).
  10. 10. The laser welding device for the shock absorber pin according to claim 9, wherein the lower surface of the rotating gear (17) is movably inserted into the inner side of the transmission connecting block (14), a limit screw (35) is movably arranged on the lower surface of the transmission connecting block (14), one end of the limit screw (35) is installed on the inner side of the rotating gear (17) through threads, a transverse installation frame (33) is fixedly arranged on the lower surface of the installation base plate (1), and a supporting connecting frame (34) is fixedly arranged on the lower surface of the transverse installation frame (33).

Description

Laser welding device for shock absorber pin Technical Field The invention relates to the technical field of laser welding, in particular to a laser welding device for a shock absorber pin. Background The shock absorber pin is used as a core connecting component of the shock absorber, the structural integrity and welding strength of the shock absorber pin directly determine the assembly precision and service life of the shock absorber, the conventional shock absorber pin is required to be firmly connected at two ends through a girth welding process during welding, a welding line is required to be uniform and continuous, the strength is close to that of a base metal, meanwhile, the efficiency requirement of large-scale production is met, the laser welding has the advantages of small heat affected zone, high welding precision and good welding line quality, the shock absorber pin is used as a preferable process for welding the shock absorber pin, and the equipment design of the shock absorber pin is required to adapt to the girth welding requirement and continuous production scene of the shock absorber pin. When the existing laser welding is used for welding the pin shaft, the pin shaft is usually fixed in the welding process, and then the laser is used for welding around the pin shaft for one circle, so that a large amount of space is consumed in the welding mode, only the laser welding equipment can surround the pin shaft for one circle, in order not to influence the welding effect, the material cannot be prepared in advance after the welding is finished, and only the pin shaft which needs to be welded can be replaced on site. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention provides a laser welding apparatus for a damper pin, which can effectively solve the above-mentioned problems in the related art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The invention provides a laser welding device for a shock absorber pin, which comprises an installation bottom plate, a limit baffle, a fixed toothed plate, a rotating gear, a limit end shock absorber pin, a plug end shock absorber pin, a laser welder, a clamping assembly, a driving assembly and a circulating assembly, The fixed toothed plate is attached to the inner wall of the limit baffle, and the fixed toothed plate and the rotary gear are positioned on the same plane and meshed with each other; The clamping assembly is used for clamping and fixing the limiting end shock absorber pin, and the rotating gear and the limiting end shock absorber pin are coaxially arranged; The circulating assembly can drive the rotating gear to move together when in motion, so that the rotating gear is attached to the inner wall of the fixed toothed plate to rotate, and the rotating gear rotates simultaneously along the axis of the rotating gear under the action of the fixed toothed plate; The driving assembly is used for driving the laser welder to synchronously move with the rotating gear; The laser welder is used for ring welding the plug-in end shock absorber pins on the limit end shock absorber pins. Still include, the centre gripping subassembly includes centre gripping mount pad, centre gripping installation piece, double-end lead screw, rotates handle and location connecting rod, centre gripping mount pad fixed mounting is at the rotation gear upper surface, two the centre gripping installation piece is installed in the centre gripping mount pad is inboard relatively, double-end lead screw movable mounting is inboard at the centre gripping mount pad, and centre gripping installation piece and double-end lead screw mesh through the screw thread. Still include, two location connecting rods of centre gripping mount pad inboard fixed mounting, every the location connecting rod activity is pegged graft in the centre gripping installation piece is inboard, spacing end bumper shock absorber round pin activity is pegged graft between two centre gripping installation pieces. Still include, drive assembly includes fixed mounting frame, rotation mounting frame, horizontal installation piece, direction connecting rod, horizontal lead screw, no. two reducers, no. two servo motor, fixed mounting frame fixed mounting is in limit baffle upper surface, rotation mounting frame is fixed to be located fixed mounting frame one side, rotation mounting frame inboard is fixed to be equipped with the direction connecting rod, the inboard activity of rotation mounting frame is equipped with horizontal lead screw, horizontal installation piece activity cup joints on the direction connecting rod, horizontal lead screw is pegged graft in horizontal installation piece inboard and is engaged with through the screw thread, rotation mounting frame one side is fixed in proper order and is equipped with No. two reducers and No. two servo motor. Still include, the inboard activity of horizontal install