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CN-121972871-A - Welding fixture for sheet metal machining

CN121972871ACN 121972871 ACN121972871 ACN 121972871ACN-121972871-A

Abstract

The invention belongs to the technical field of sheet metal machining, and particularly relates to a welding tool for sheet metal machining, which comprises a base, a welding mechanical arm main body and a feeding mechanical arm main body, wherein the welding mechanical arm main body and the feeding mechanical arm main body are fixedly arranged on the base, one end of the welding mechanical arm main body is provided with a welding gun, and the base is provided with a plate positioning and splicing assembly and a plate moving auxiliary assembly. According to the invention, the plate positioning and splicing assembly and the plate material moving auxiliary assembly are utilized, a plurality of plate materials can be welded into a frame-shaped structure in sequence, and before the plate materials are clamped, the plate materials are arranged in a linear arrangement, so that the outline and the direction of the plate materials can be easily identified by a visual detection system on the feeding mechanical arm main body, and the plate materials are accurately placed on the sliding block according to a preset path. Therefore, the conditions of failure in recognition or improper grabbing posture caused by irregular placement of the plates are avoided, and the splicing precision and continuous welding efficiency of the follow-up plates are improved.

Inventors

  • SITU XIAOFENG
  • SITU XUEPENG
  • XIONG WENHUAN

Assignees

  • 广州市飞马机电设备有限公司

Dates

Publication Date
20260505
Application Date
20260403

Claims (10)

  1. 1. The welding tool for the sheet metal machining comprises a base (1), a welding mechanical arm main body (2) and a feeding mechanical arm main body (3), wherein the welding mechanical arm main body (2) and the feeding mechanical arm main body (3) are fixedly installed on the base (1), and a welding gun (11) is arranged at one end of the welding mechanical arm main body (2), and the welding tool is characterized in that a plate positioning and splicing assembly and a plate moving auxiliary assembly are arranged on the base (1); The plate positioning and splicing assembly comprises a splicing table (16) fixedly connected to one side of the upper end face of the base (1), wherein a sliding groove is formed in the splicing table (16) at intervals of 90 degrees along the circumferential direction, a sliding block (17) is transversely arranged in each sliding groove in a sliding manner, a clamping block I (22) is fixedly connected to one side of the upper end of the sliding block (17), a clamping block II (23) is slidingly connected to the other side of the upper end of the sliding block, and the clamping block I (22) and the clamping block II (23) are matched with each other to clamp a plate; Plate moves material auxiliary assembly and includes framework (4) and frame (6), framework (4) and frame (6) are all fixed connection on base (1), be provided with conveyer belt (15) on frame (6), framework (4) upper end edge aligns with conveyer belt (15) edge, framework (4) inner wall one side sliding connection has place board (5), framework (4) inner wall one side sliding connection has push pedal one (27), push pedal one (27) one end slip grafting has push pedal two (28), push pedal two (28) one side surface with place board (5) one end laminating.
  2. 2. The welding tool for sheet metal machining is characterized in that a cylinder five (19) is fixedly connected to the middle of the lower end face of the splicing table (16), a connecting block (20) is fixedly connected to the piston end of the cylinder five (19), a connecting rod (21) is rotatably arranged on one side of the lower end of the sliding block (17), one end of the connecting rod (21) is rotatably arranged at the bottom of the sliding block (17), a cylinder four (18) is fixedly connected to one side of the sliding block (17), and the piston end of the cylinder four (18) is fixedly connected with one side of the clamping block two (23).
  3. 3. The welding tool for sheet metal machining is characterized in that one side of the upper end of the frame (6) is slidably connected with two first guide rods (14), one ends of the first guide rods (14) are fixedly connected with limiting plates (7) together, the bottoms of the limiting plates (7) are attached to the upper surface of the conveying belt (15), one side of the upper end of the frame (6) is fixedly connected with a third air cylinder (10), and the piston end of the third air cylinder (10) is fixedly connected with one side of the limiting plates (7).
  4. 4. The welding tool for sheet metal machining is characterized in that a cylinder seven (30) is fixedly connected to one side of a first push plate (27), a piston end of the cylinder seven (30) is fixedly connected with one side of a second push plate (28), a cylinder one (8) is fixedly connected to one side of the frame (4), and a piston end of the cylinder one (8) is fixedly connected with one end of the first push plate (27).
  5. 5. The welding tool for sheet metal machining according to claim 1, wherein one end of the feeding mechanical arm main body (3) is provided with a vacuum generator (12) and a sucker (13), and a vacuum port of the vacuum generator (12) is connected with the sucker (13) through a flexible pipeline.
  6. 6. The welding tool for sheet metal machining is characterized in that a cylinder six (29) is fixedly connected to one side of the inner wall of the frame body (4), the piston end of the cylinder six (29) is fixedly connected with one side of the placing plate (5), two guide rods two (24) are slidably connected to one side of the frame body (4), a pushing plate three (25) is fixedly connected to one end of each guide rod two (24), a cylinder two (9) is fixedly connected to one side of the outer wall of the frame body (4), and the piston end of the cylinder two (9) is fixedly connected with one side of the pushing plate three (25).
  7. 7. The welding tool for sheet metal machining of claim 1, which is characterized by comprising a lifting auxiliary assembly; the lifting auxiliary assembly comprises a turnover plate (41) which is rotatably arranged on one side of the placement plate (5), a hydraulic cylinder (26) is rotatably arranged on one side of the bottom of the placement plate (5), and a piston end of the hydraulic cylinder (26) is rotatably connected with one side of the bottom of the turnover plate (41).
  8. 8. The welding tool for sheet metal machining is characterized in that one side of the lower end face of the placing plate (5) is fixedly connected with a first fixing cylinder (32) through a first fixing rod (31), one side of the first fixing cylinder (32) is fixedly connected with a second fixing rod (33), two ends of the second fixing rod (33) are fixedly connected with a second fixing cylinder (34), one end of an inner cavity of the first fixing cylinder (32) is rotatably provided with a first rotating shaft (39), a second retaining cloth (36) is wound on the first rotating shaft (39), the second retaining cloth (36) is slidably arranged on one side of the first fixing cylinder (32), the end part of the second retaining cloth (36) is fixedly connected to the bottom of the overturning plate (41), one end of the inner cavity of the second fixing cylinder (34) is rotatably provided with a second rotating shaft (40), a first retaining cloth (35) is wound on the second rotating shaft (40), the first retaining cloth (35) is slidably arranged on one side of the second fixing cylinder (34), and the end part of the first retaining cloth (35) is fixedly connected to the bottom of the overturning plate (41).
  9. 9. The welding fixture for sheet metal machining according to claim 8, wherein a second spring (38) is sleeved at one end of the first rotating shaft (39), one end of the second spring (38) is fixedly connected with the end of the first rotating shaft (39), and the other end of the second spring is fixedly connected with one side of the inner wall of the first fixed cylinder (32).
  10. 10. The welding fixture for sheet metal machining according to claim 8, wherein a first spring (37) is sleeved at one end of the second rotating shaft (40), one end of the first spring (37) is fixedly connected with one end of the second rotating shaft (40), and the other end of the first spring is fixedly connected with one side of the inner wall of the second fixed cylinder (34).

Description

Welding fixture for sheet metal machining Technical Field The invention belongs to the technical field of sheet metal machining, and particularly relates to a welding tool for sheet metal machining. Background The metal plate has the characteristics of light weight, high strength, low cost, suitability for mass production and the like. It is widely used in the fields of electronic appliances, communication, automobile industry, medical appliances, etc. In the production and processing of sheet metal parts, the plates are often fixed together in a welding manner to form a desired shape. In the prior art, when the metal plate is welded, four rectangular plates with the same specification are often required to be welded together in an edge alignment mode to form a frame-shaped basic structural member for subsequent production of parts such as a box body and a cabinet body. In order to improve efficiency and save manpower, a mechanical arm is generally adopted to clamp the plate and is placed at the clamp, and the clamp is used for positioning and fixing the plate. Then, a plurality of clamps relatively move on the positioning platform to enable the edges of the plates to be mutually attached, a frame-shaped structure is formed preliminarily, and welding is completed by a welding gun. To achieve accurate gripping, the robot is typically equipped with a visual inspection system for identifying the contours and pose of the plate. When a plurality of plates are orderly arranged in a fixed direction and are not shielded from each other, the vision system can stably recognize. However, in actual production, the plates are often stacked or randomly arranged in a conveying line or a magazine in a disordered state after being subjected to processes such as punching, inspection, and the like. At this time, the visual detection system on the manipulator is easily interfered by irregular placement of the plates, so that recognition failure or improper grabbing gesture is caused, and then the splicing precision and continuous welding efficiency of the subsequent plates are affected. Disclosure of Invention In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the invention provides a welding tool for sheet metal machining. The technical scheme includes that the welding tool for metal plate machining comprises a base, a welding mechanical arm main body and a feeding mechanical arm main body, wherein the welding mechanical arm main body and the feeding mechanical arm main body are fixedly arranged on the base, a welding gun is arranged at one end of the welding mechanical arm main body, and a plate positioning and splicing assembly and a plate moving auxiliary assembly are arranged on the base; The plate positioning and splicing assembly comprises a splicing table fixedly connected to one side of the upper end face of the base, a sliding groove is formed in the splicing table at intervals of 90 degrees along the circumferential direction, a sliding block is transversely arranged in each sliding groove in a sliding manner, a clamping block I is fixedly connected to one side of the upper end of the sliding block, a clamping block II is slidingly connected to the other side of the upper end of the sliding block, and the clamping block I and the clamping block II are matched with each other to clamp a plate; The plate moves material auxiliary assembly and includes framework and frame, framework and frame are all fixed connection on the base, be provided with the conveyer belt in the frame, framework upper end edge aligns with the conveyer belt edge, framework inner wall one side sliding connection has place the board, framework inner wall one side sliding connection has push pedal one, push pedal one end slip grafting has push pedal two, push pedal two one side surface is laminated with place board one end. Preferably, the middle part fixedly connected with cylinder five of terminal surface under the concatenation platform, cylinder five piston end fixedly connected with connecting block, slider lower extreme one side rotates and is provided with the connecting rod, connecting rod one end rotates and sets up in the slider bottom, slider one side fixedly connected with cylinder four, cylinder four piston ends and clamp splice two one side fixedly link to each other. Preferably, one side of the upper end of the frame is slidably connected with two first guide rods, two guide rods are fixedly connected with limiting plates at one end of the guide rods, the bottoms of the limiting plates are attached to the upper surface of the conveying belt, one side of the upper end of the frame is fixedly connected with a third cylinder, and one side of the third piston end of the third cylinder is fixedly connected with one side of the limiting plates. Preferably, a cylinder seven is fixedly connected to one side of the first push plate, a piston end of the cylinder seven is fixedly co