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CN-122007727-A - Steel welding set with locate function

CN122007727ACN 122007727 ACN122007727 ACN 122007727ACN-122007727-A

Abstract

The invention discloses a steel welding device with a positioning function, which comprises a welding robot and a workbench, wherein fixed rails, a swinging rack, lifting clamping blocks and a positioning mechanism are arranged at two ends of the workbench, the fixed rails are fixed on the workbench, one end of the swinging rack is rotatably connected to the workbench, a sliding seat is arranged on the swinging rack, a spring for driving the sliding seat to move upwards is arranged on the swinging rack, the positioning mechanism comprises a four-jaw chuck, a turbine, a worm and a motor, the four-jaw chuck is rotatably connected with the sliding seat, the turbine is connected with the four-jaw chuck, the upper part of the turbine is always meshed with the worm, the meshing position is always higher than that of the fixed rails, and the motor is connected with the worm. The invention can position the steel, and drive the steel to translate and overturn in the welding process, so as to ensure that the welding robot can continuously and accurately finish the welding operation of each surface to be welded.

Inventors

  • WANG XIAODONG
  • Su Zhucong
  • WU JIANKANG
  • CHENG LI
  • HUANG YUWEN
  • LIU QIANG
  • WANG JUN

Assignees

  • 龙庆东南(海南)绿色建筑有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (10)

  1. 1. A steel welding device with a positioning function is characterized by comprising a welding robot (1) and a workbench (2), wherein fixed rails (3), a swinging rack (4), lifting clamping blocks (5) and a positioning mechanism (6) are arranged at two ends of the workbench (2), the fixed rails (3) are fixed on the workbench (2), one end of the swinging rack (4) is rotatably connected to the workbench (2), the swinging rack (4) is provided with a sliding seat (7), the swinging rack (4) is provided with a spring (8) for driving the sliding seat (7) to move upwards, the positioning mechanism (6) comprises a four-jaw chuck (9), a worm wheel (10), a worm (11) and a motor (12), the four-jaw chuck (9) is rotatably connected with the sliding seat (7), the worm wheel (10) is connected with the four-jaw chuck (9), the upper part of the worm wheel (10) is always meshed with the worm (11) and the meshing position is always higher than the fixed rails (3), the motor (12) is connected with the worm wheel chuck (11) and is used for pushing the two square jaws (9) to be attached to the four-jaw chuck (8) or the four-jaw chuck (9) to clamp steel, the lifting clamping blocks (5) are arranged on the fixed rail (3) and periodically move downwards, and one clamping jaw is limited to move downwards by the lifting clamping blocks (5), so that the four-jaw chuck (9) is turned over.
  2. 2. The steel welding device with the positioning function according to claim 1, wherein the lifting clamping block (5) is vertically and slidably connected to the fixed rail (3), the workbench (2) is rotationally connected with a lever bar (13), a first end of the lever bar (13) is rotationally connected with the fixed rail (3), a second end of the lever bar is provided with a bar groove, the lifting clamping block (5) is provided with a lug (14) capable of sliding and rotating in the bar groove, the lever bar (13) is provided with a stop lever (15), and one claw after the four-claw chuck (9) is turned pushes the stop lever (15), so that the lever bar (13) rotates to drive the lifting clamping block (5) to move upwards.
  3. 3. The steel welding device with the positioning function according to claim 1, wherein the swinging rack (4) comprises a bottom support (16) and a guide rod (17), the bottom support (16) is rotationally connected with the workbench (2), the guide rod (17) is fixed on the bottom support (16), the sliding seat (7) is provided with 4 guide holes (18), the guide rod (17) is in sliding connection with the guide holes (18), the spring (8) is arranged on the bottom support (16), one end of the spring (8) is connected with the bottom support (16), and the other end of the spring is connected with the sliding seat (7).
  4. 4. A steel welding device with positioning function according to claim 1, characterized in that the jaws of the four-jaw chuck (9) comprise a right-angle clamp plate (19) positioned at the front and a first rotating shaft (20) positioned at the rear, the right-angle clamp plate (19) is used for clamping square steel, the radius of the first rotating shaft (20) is the same as the chamfer radius of the edge of the steel to be processed, and one or two first rotating shafts (20) positioned at the uppermost are attached to the fixed rail (3).
  5. 5. The steel welding device with the positioning function according to claim 1, wherein a swinging plate (21) is rotatably connected to the sliding seat (7), the rotation center of the swinging plate (21) coincides with the rotation center of the turbine (10), a shaft hole (22) is formed in the upper end of the swinging plate (21), an output shaft of the motor (12) penetrates through the shaft hole (22), and the worm (11) is fixedly connected with the output shaft.
  6. 6. A steel welding device with positioning function according to claim 1, characterized in that the workbench (2) is rotatably connected with a mounting seat (23), and the motor (12) is mounted on the mounting seat (23).
  7. 7. The steel welding device with the positioning function according to claim 1, further comprising a positioning frame (24), wherein the positioning frame (24) is in a cross shape, and the positioning frame (24) is embedded in the square tube.
  8. 8. The steel welding device with positioning function according to claim 1, wherein the motor (12) is a servo motor (12).
  9. 9. Steel welding device with positioning function according to claim 1, characterized in that the swinging frame (4) is provided with a damper (25), the damper (25) is connected with the sliding seat (7) and the shoe (16), and the spring (8) is sleeved with the damper (25).
  10. 10. The steel welding device with positioning function according to claim 1, characterized in that the spring (8) is a coil spring (8).

Description

Steel welding set with locate function Technical Field The invention relates to the technical field of welding, in particular to a steel welding device with a positioning function. Background In a plurality of fields such as machine manufacturing, constructional engineering, etc., steel welding is a basic and key processing procedure, and welding quality and operation efficiency directly influence the structural strength and production benefit of the final product. For circular steel, continuous welding can be performed by directly rotating the steel, but for square steel welding, the angle and the height position of a welding surface cannot be fixed due to the fact that square steel is formed by a plurality of surfaces, and therefore, after welding of one surface is completed, the existing operation flow is stopped, the posture of the steel is adjusted through manual work or an auxiliary mechanism, and an unwelded surface is turned to an upward welding position. The process not only interrupts the continuity of welding, greatly reduces the operation efficiency, causes the deviation between the subsequent welding point position and the preset position, and further influences the welding strength. In summary, in the automatic welding operation of the current steel, there is a need for a welding robot that can accurately position the steel and stably finish the multi-surface overturning, and ensure the cooperation of the positioning, overturning and translation actions to be smooth, so as to ensure that the welding robot can continuously and accurately finish the welding operation of each surface to be welded, so as to meet the requirements of industrial production on high-strength and high-efficiency welding. Disclosure of Invention Aiming at the prior art, the invention provides the steel welding device with the positioning function, which can position steel, drive the steel to translate and overturn in the welding process, and ensure that a welding robot can continuously and accurately finish the welding operation of each surface to be welded. In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows: The steel welding device with the positioning function comprises a welding robot and a workbench, wherein fixed rails, a swinging rack, lifting clamping blocks and a positioning mechanism are arranged at two ends of the workbench, the fixed rails are fixed on the workbench, one end of the swinging rack is rotatably connected to the workbench, a sliding seat is arranged on the swinging rack, a spring used for driving the sliding seat to move upwards is arranged on the swinging rack, the positioning mechanism comprises a four-jaw chuck, a turbine, a worm and a motor, the four-jaw chuck is rotatably connected with the sliding seat, the turbine is connected with the four-jaw chuck, the upper part of the turbine is always meshed with the worm, the meshing position is always higher than the fixed rails, the motor is connected with the worm, the four-jaw chuck is used for clamping square steel, one or two clamping jaws of the four-jaw chuck are attached to the fixed rails under the pushing of the spring, the lifting clamping blocks are arranged on the fixed rails and periodically move downwards, and one clamping jaw is limited to move downwards so that the four-jaw chuck is overturned. Further, the lifting fixture block is vertically connected with the fixed rail in a sliding manner, the workbench is rotationally connected with a lever, the first end of the lever is rotationally connected with the fixed rail, the second end of the lever is provided with a bar groove, the lifting fixture block is provided with a lug which can slide in the bar groove and rotate, the lever is provided with a stop lever, and one of the four-jaw chucks after being overturned pushes the stop lever, so that the lever rotates to drive the lifting fixture block to move upwards. Further, the swing frame comprises a bottom support and a guide rod, the bottom support is rotationally connected with the workbench, the guide rod is fixed on the bottom support, the sliding seat is provided with 4 guide holes, the guide rod is in sliding connection with the guide holes, the spring is arranged on the bottom support, one end of the spring is connected with the bottom support, and the other end of the spring is connected with the sliding seat. Further, the jack catch of four-jaw chuck is including the right angle shape splint that are located the place ahead and be located the first pivot of rear, right angle shape splint are used for centre gripping square steel, the radius of first pivot is the same with the chamfer radius of the edge of waiting to process steel, is located one or two of top first pivot with the fixed track laminating. Further, the sliding seat is connected with a swinging plate in a rotating mode, the rotation center of the swinging plate coincides with the rotation center