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CN-121972804-A - Laser welding machine for repairing alloy castings

CN121972804ACN 121972804 ACN121972804 ACN 121972804ACN-121972804-A

Abstract

The invention discloses a laser welding machine for repairing alloy castings, which relates to the technical field of welding equipment and comprises a frame and a side plate, wherein the frame is provided with a delivery assembly, the side plate is provided with a welding assembly and a polishing assembly, the welding assembly drives a slide bar I and a slide bar II through a motor, a laser welding gun and a grinding wheel respectively carry out welding and polishing operations, flexible rotation of the grinding wheel is realized through matching of a torsion bar and a limiting ring, a space is reserved for the laser welding gun, the delivery assembly drives a slide block to drive the alloy castings to move through a motor IV and drives a groove block and a clamping block to rotate through a motor V, the polishing assembly drives a slide bar III through a motor V, the surface of the alloy castings is polished, and the laser welding machine is also provided with an automatic feeding and blanking mechanism, so that the repairing efficiency is improved, the pre-welding polishing, the welding and the post-welding trimming of gaps of the alloy castings are realized, the repairing effect is good, and the repairing efficiency is high.

Inventors

  • LI ZHONGJIE
  • JIANG DEROU
  • LI YANFEN
  • JIANG HAIYAN

Assignees

  • 江苏富泺特新能源装备有限公司

Dates

Publication Date
20260505
Application Date
20260316

Claims (8)

  1. 1. The laser welding machine for repairing the alloy castings comprises a frame (1), wherein a side plate (2) is vertically arranged on the frame (1), and the laser welding machine is characterized in that a delivery assembly is sequentially arranged on the frame (1), and a welding assembly and a polishing assembly are sequentially arranged on the side plate (2); the welding assembly comprises a welding frame (3) vertically arranged on a side plate (2), a sliding plate (4) is arranged on the welding frame (3), a first sliding rod (5) is arranged on the sliding plate (4) in a sliding mode along the vertical direction, a camera (6) is arranged below the first sliding rod (5), a laser welding gun (7) is arranged below the first sliding rod (5) and beside the camera (6), a first motor (8) is arranged above the sliding plate (4), a first gear (9) is arranged on a rotating shaft of the first motor (8), a first rack (10) meshed with the first gear (9) is arranged at the upper end of the first sliding rod (5), a plugboard (11) is arranged at the middle part of the sliding plate (4), the plugboard (11) penetrates through the welding frame (3), a second sliding rod (12) is arranged at the tail end of the plugboard (11) along the vertical direction, and a second rack (13) meshed with the first gear (9) is arranged at the upper end of the second sliding rod (12). The bottom rotation of slide bar two (12) is equipped with turning block (14), the lateral part of turning block (14) is equipped with motor two (15), be equipped with grinding wheel (16) in the axis of rotation of motor two (15), be equipped with rack three (17) on turning block (14), the side of rack three (17) is other to be meshed has rack four (18), the bottom of torsion bar (19) is located to rack four (18) is fixed, torsion bar (19) rotate and locate the side of slide bar two (12), be equipped with on picture peg (11) and supply torsion bar (19) male spacing ring (20), symmetrically be equipped with two recess (1901) on the lateral wall of torsion bar (19), recess (1901) from the top down comprises straight line section one in proper order, diagonal and straight line section two, be equipped with boss (2001) of inserting in recess (1901) on the inside wall of spacing ring (20).
  2. 2. The laser welding machine for repairing alloy castings according to claim 1, wherein the sliding plate (4) is arranged on the welding frame (3) in a sliding manner along the axial direction, a first screw rod (21) is rotatably arranged on the sliding plate (4), the first screw rod (21) is in threaded fit with the inserting plate (11), a third motor (22) is arranged on the welding frame (3), and a rotating shaft of the third motor (22) is connected with the first screw rod (21).
  3. 3. The laser welding machine for repairing alloy castings, according to claim 2, characterized in that the delivery assembly comprises two main shafts (23), the two main shafts (23) are respectively arranged at the head part and the tail part of the frame (1) in a rotating mode, two transmission mechanisms (24) are arranged between the two main shafts (23), two driving wheels of the transmission mechanisms (24) are respectively arranged on the two main shafts (23), a motor IV (25) is arranged on the frame (1), a rotating shaft of the motor IV (25) is connected with one main shaft (23), sliding blocks (26) are respectively arranged on the frame (1) and are respectively connected with a driving belt of the corresponding transmission mechanism (24) in a sliding mode, groove blocks (27) are rotatably arranged on the sliding blocks (26), clamping blocks (28) are respectively arranged on the groove blocks (27), and alloy castings (29) are connected between the groove blocks (27) and the clamping blocks (28).
  4. 4. A laser welding machine for repairing alloy castings according to claim 3, wherein the two sides of the clamping block (28) are provided with a first inclined plane (2801) and a second inclined plane (2802), and the middle part of the clamping block (28) is provided with a clamping groove (2803) for clamping the alloy castings (29).
  5. 5. The laser welding machine for repairing alloy castings according to claim 4, wherein the rotating shaft of the groove block (27) penetrates through the sliding block (26), a gear II (31) is arranged on the rotating shaft of the groove block (27), a rack V (32) is meshed above the gear II (31), the rack V (32) is connected with a telescopic shaft of the electric cylinder (33), and the electric cylinder (33) is fixedly arranged on the sliding block (26).
  6. 6. The laser welding machine for repairing alloy castings according to claim 5, wherein the polishing assembly comprises a polishing frame (34) vertically arranged on the side plate (2), a third slide rod (35) is arranged on the polishing frame (34) along the vertical direction, a sixth rack (36) is arranged on the upper portion of the third slide rod (35), a third gear (37) is meshed with the side of the sixth rack (36), the third gear (37) is arranged on a rotating shaft on a fifth motor (38), the fifth motor (38) is fixedly arranged on the polishing frame (34), and a polishing machine (39) for polishing the alloy castings (29) is arranged at the bottom of the third slide rod (35).
  7. 7. A laser welding machine for repairing alloy castings is characterized in that a light plate (40) is arranged on the head of a frame (1), a waiting groove (4001) for placing the alloy castings (29) is formed in the light plate (40), a bin (41) for placing the alloy castings (29) is arranged above the frame (1), a pushing plate (42) for pushing the alloy castings (29) is slidably arranged on the light plate (40), an arc groove (4201) for clamping the alloy castings (29) is formed in the pushing plate (42), a top plate (43) for placing the alloy castings (29) is arranged on the pushing plate (42), long rods (44) inserted into corresponding sliding blocks (26) are arranged at two ends of the pushing plate (42), and a first baffle (45) and a second baffle (46) are arranged on the long rods (44).
  8. 8. A laser welding machine for repairing alloy castings according to claim 7, wherein a stop lever (47) for driving the inclined plane I (2801) is arranged at the tail of the frame (1), and a slideway (48) for receiving the alloy castings (29) is arranged at the bottom of the tail of the frame (1).

Description

Laser welding machine for repairing alloy castings Technical Field The invention relates to the technical field of welding equipment, in particular to a laser welding machine for repairing alloy castings. Background During the production and use of alloy castings, defects such as gaps, cracks and the like may occur on the surface or in the interior of the castings for various reasons, and the defects may seriously affect the performance and service life of the castings. The traditional repairing method mostly adopts manual welding and polishing, which not only has low efficiency, but also has difficult quality assurance. With the development of laser technology, laser welding is widely applied to the field of casting repair due to the advantages of high energy density, high precision, high speed and the like. However, the existing laser welding machine can only perform single welding operation, cannot automatically polish the notch and smooth the welded surface, cannot automatically turn over the casting, and still needs a large amount of manual intervention in the repairing process, so that the repairing efficiency and quality are required to be improved. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a laser welding machine for repairing alloy castings. The welding assembly comprises a welding frame vertically arranged on the side plate, a sliding plate is arranged on the welding frame, a sliding rod I is arranged on the sliding plate in a sliding mode along the vertical direction, a camera is arranged below the sliding rod I, a laser welding gun is arranged below the sliding rod I and beside the camera, a motor I is arranged above the sliding plate, a gear I is arranged on a rotating shaft of the motor I, a rack I meshed with the gear I is arranged at the upper end of the sliding rod I, a plugboard is arranged in the middle of the sliding plate, the plugboard penetrates through the welding frame, a second sliding rod is arranged at the tail end of the plugboard in the vertical direction, a rack II meshed with the gear I is arranged at the upper end of the sliding rod II, a rotating block is arranged at the bottom of the sliding rod II, a motor II is arranged on the side of the rotating block, a grinding wheel is arranged on the rotating block, a rack III is meshed with a fourth rotating shaft, a rack II is fixedly arranged at the bottom of the sliding rod II, a straight-line groove is symmetrically arranged at the side of the sliding rod II, a straight-line groove is formed in the straight-line groove, and the straight-line groove is sequentially inserted into the straight-line groove is formed in the straight-line groove. As a preferable technical scheme of the invention, the sliding plate is arranged on the welding frame in a sliding manner along the axial direction, the first screw rod is rotationally arranged on the sliding plate, the first screw rod is in threaded fit with the plugboard, the third motor is arranged on the welding frame, and the rotating shaft of the third motor is connected with the first screw rod. As a preferable technical scheme of the invention, the delivery assembly comprises two main shafts, the two main shafts are respectively and rotatably arranged at the head part and the tail part of the frame, two transmission mechanisms are arranged between the two main shafts, two transmission wheels of the transmission mechanisms are respectively arranged on the two main shafts, a motor IV is arranged on the frame, a rotating shaft of the motor IV is connected with one main shaft, sliding blocks are slidably arranged on the side of the transmission mechanisms on the frame, the sliding blocks are connected with transmission belts corresponding to the transmission mechanisms, the groove blocks are rotatably arranged on the sliding blocks, clamping blocks are slidably arranged on the groove blocks, and alloy castings are connected between the groove blocks and the clamping blocks. As a preferable technical scheme of the invention, the two sides of the clamping block are provided with the inclined plane I and the inclined plane II, and the middle part of the clamping block is provided with a clamping groove for clamping the alloy casting. As a preferable technical scheme of the invention, the rotating shaft of the groove block penetrates through the sliding block, the rotating shaft of the groove block is provided with the gear II, the rack V is meshed above the gear II and is connected with the telescopic shaft of the electric cylinder, and the electric cylinder is fixedly arranged on the sliding block. As a preferable technical scheme of the invention, the polishing assembly comprises a polishing frame vertically arranged on the side plate, a third slide bar is arranged on the polishing frame along the vertical direction, a sixth rack is arranged on the upper portion of the third slide bar, a third gear is meshed beside the sixth ra