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CN-122007627-A - Laser welding production line for television backboard

CN122007627ACN 122007627 ACN122007627 ACN 122007627ACN-122007627-A

Abstract

The invention relates to the technical field of laser welding, in particular to a laser welding production line for a television backboard, which comprises a fixed base, wherein two fixed support columns are arranged above the fixed base, a fixed first fixed plate is arranged above the two support columns, a guide cavity for providing a welding channel is arranged at the center position of the first fixed plate, and a movable connecting frame is arranged below the first fixed plate. According to the invention, through the precise transmission cooperation of the screw rod and the screw rod nut, the high-precision synchronous movement of the two moving rods is realized, a stable foundation is provided for centering, and the back plates with different width specifications can be self-adapted by combining the active swing extrusion of the swing blocks, so that the welding reference error caused by feeding position deviation is eliminated, the position precision of the subsequent reinforcing rib placement and welding is ensured, the positioning can be completed without manual intervention, and the starting condition is provided for the automatic operation of the whole intelligent welding production line.

Inventors

  • WANG SIDAN
  • WANG QI
  • YU HONGZHAO
  • WANG ZHENGEN

Assignees

  • 青岛恒泰机械配件有限公司

Dates

Publication Date
20260512
Application Date
20260416

Claims (8)

  1. 1. The utility model provides a laser welding production line for TV backplate, including unable adjustment base (111), a serial communication port, the top of unable adjustment base (111) is provided with two fixed support columns (112), the top of two support columns (112) is provided with fixed first fixed plate (113), guide chamber (211) that are used for providing the welding passageway are offered to the central point of first fixed plate (113), the below of first fixed plate (113) is provided with movable link (214), the bottom side of link (214) is provided with the first press structure that is used for compressing tightly the strengthening rib side and is used for compressing tightly the second press structure of strengthening rib top surface, the below of link (214) is provided with gliding carriage (221), the side of carriage (221) is provided with along with the swing frame (222) of reciprocating swing of connecting frame (214), swing frame (222) are used for supporting the TV backplate from the bottom after the swing, the side of swing frame (222) is fixed mounting respectively with first supporting shoe (223) and second supporting shoe (223) that are matched with first press structure and second press structure, the bottom side of connecting shoe (224) are used for the welding of two auxiliary television backplate (113) is provided with the side of drive of moving structure for supporting the TV backplate, the side of two side of moving of side (224) is provided with the auxiliary television backplate, welding structure is used for carrying out spot welding to the laminating department of strengthening rib and backplate under the state of compressing tightly, the one end of movable rod (221) is provided with extrusion structure, be provided with pivoted third briquetting (254) on the extrusion structure, extrusion structure is used for promoting TV backplate both sides and realizes locating between two parties, third briquetting (254) are used for swinging in order to compress tightly the inclined plane of strengthening rib when first press structure pushes down, the upper end symmetry of unable adjustment base (111) is equipped with two guide bars (115) that are used for supporting the TV backplate, the lower extreme fixed mounting of guide bar (115) has two dead levers (114), the one end fixed mounting that guide bar (115) were kept away from to dead lever (114) is in unable adjustment base (111) upside.
  2. 2. The laser welding production line for a television backboard according to claim 1, wherein the side surface of the moving rod (221) is provided with a sliding groove (231), the bottom side of the connecting frame (214) is provided with two sliding rods (215), one end of each sliding rod (215) penetrates through the corresponding sliding groove (231) and is fixedly provided with a rack (216) downwards, the side surface of the moving rod (221) is fixedly provided with two fixing frames (232), the side surfaces of the two fixing frames (232) are rotatably provided with rotating shafts (233), gears (234) meshed with the racks (216) are fixedly arranged between the two rotating shafts (233), and the swinging frame (222) is fixedly arranged on the side surface of the rotating shaft (233).
  3. 3. The laser welding production line for the television backboard according to claim 2, wherein a fixed mounting frame (212) is arranged at the upper end of the first fixing plate (113) corresponding to the position of the guide cavity (211), a second telescopic device (213) is fixedly arranged at the bottom side of the mounting frame (212) corresponding to the position of the guide cavity (211), the output end of the second telescopic device (213) is fixedly arranged at the upper end of the connecting frame (214), the welding structure comprises two electric sliding rails (121) arranged on the first fixing plate (113), a sliding plate (122) is arranged in the electric sliding rail (121) in a sliding mode, a first servo motor (126) is fixedly arranged on the side face of the sliding plate (122), a third rotary column (127) is fixedly arranged at the output end of the first servo motor (126), a connecting plate (123) is fixedly arranged on the side face of the third rotary column (127), and a laser welder (125) is fixedly arranged on the output end of the first telescopic device (124).
  4. 4. The laser welding production line for the television backboard according to claim 3, wherein the extrusion structure comprises a swinging block (251) rotatably mounted on the end face of the moving rod (221), a fixed second servo motor (255) is arranged on the side face of the moving rod (221) corresponding to the swinging block (251), the output end of the second servo motor (255) is fixedly mounted on the side face of the swinging block (251), a circular groove is formed in the side face of the swinging block (251), a torsion spring (253) is fixedly mounted in the circular groove on the side face of the swinging block (251), a swinging shaft (252) is fixedly mounted at one end of the torsion spring (253), and a third pressing block (254) is fixedly mounted on the side face of the swinging shaft (252).
  5. 5. The laser welding production line for a television backboard according to claim 4, wherein the first pressing structure comprises a first fixing barrel (256) of which the bottom side of the connecting frame (214) corresponds to the position of the third pressing block (254), a first sliding barrel (257) is slidably arranged in the first fixing barrel (256), a first pressing block (259) is fixedly arranged at the bottom side of the first sliding barrel (257), two limiting blocks (2510) are fixedly arranged at the bottom side of the first pressing block (259), a first spring (258) is fixedly arranged at the upper end of the first pressing block (259), and the upper end of the first spring (258) is fixedly arranged at the inner side of the first fixing barrel (256).
  6. 6. The laser welding line for a back plate of a television set according to claim 5, wherein the second pressing structure comprises a second fixed barrel (261) fixedly installed at a bottom side of the connecting frame (214), a sliding block (262) is movably installed inside the second fixed barrel (261), a second spring (263) is fixedly installed at an upper end of the sliding block (262), an upper end of the second spring (263) is fixedly installed at an inner side of the second fixed barrel (261), and a second pressing block (264) is fixedly installed at a bottom side of the sliding block (262).
  7. 7. The laser welding production line for a television backboard according to claim 6, wherein the auxiliary conveying structure comprises a first connecting rod (311) fixedly installed on the side surface of the sliding rod (215), a second sliding cylinder (332) is fixedly installed at the upper end of the first connecting rod (311), a second fixing block (331) is installed inside the second sliding cylinder (332) in a sliding manner, a third spring (333) is fixedly installed at the lower end of the second fixing block (331), the lower end of the third spring (333) is fixedly installed on the side surface of the first connecting rod (311), an electric sliding table (312) is fixedly installed at the upper end of the second fixing block (331), a first rotating column (313) is arranged above the electric sliding table (312), the active conveying structure comprises a second connecting rod (321) fixedly installed on the side surface of the first supporting block (223), a third servo motor (324) is fixedly installed at the side surface of the second connecting rod (321), a rotating end surface of the second installing block (322) is fixedly installed at the third servo motor (324), and a rotating end surface of the second servo motor (323) is fixedly installed inside the second installing block (322).
  8. 8. The laser welding production line for a television backboard according to claim 7, wherein a first fixing block (241) is fixedly arranged at the upper end of the fixing base (111), a first mounting block (242) is fixedly arranged at the upper end of the first fixing block (241), two sliding plates (243) are slidably arranged in the first mounting block (242), the two sliding plates (243) are fixedly connected with the bottom sides of the two moving rods (221) respectively, two screw nuts (244) are fixedly arranged at the bottom sides of the sliding plates (243), a second fixing plate (245) is fixedly arranged at the bottom sides of the first mounting block (242), a rotating motor (246) is fixedly arranged at the side surface of the second fixing plate (245), a screw rod (247) is fixedly arranged at the output end of the rotating motor (246), and the screw rod (247) is in threaded connection with the inside of the two screw nuts (244).

Description

Laser welding production line for television backboard Technical Field The invention relates to the technical field of laser welding, in particular to a laser welding production line for a television backboard. Background In the manufacturing process of a television backboard, particularly a backboard with a rectangular structure, welding of reinforcing ribs is a key process for guaranteeing structural strength and dimensional accuracy of a product. The existing laser welding production line is mostly semi-automatic or functionally discrete equipment, when the size of the processed materials fluctuates, assembly gaps exist between the reinforcing ribs and the backboard body, visual centering and manual compaction are often carried out by relying on manpower, the efficiency is low, the welding quality is extremely unstable, the traditional welding production line is used for separating and independently carrying out a plurality of procedures such as positioning of the backboard, compaction of the reinforcing ribs, welding and blanking, the equipment is lack of effective cooperation, the production beat is long, the existing equipment is usually provided with a fixed compaction mechanism in the welding process, the compaction force of the existing equipment is difficult to carry out real-time adjustment along with the actual bonding state of the backboard and the reinforcing ribs, when the welding point is heated to generate tiny deformation, the rigid structure is difficult to realize dynamic compensation of gaps, and the welding defect of virtual welding is easy to cause. Disclosure of Invention In order to overcome the defects of the prior art, the invention provides the technical scheme that the laser welding production line for the television backboard comprises a fixed base, two fixed support columns are arranged above the fixed base, a fixed first fixed plate is arranged above the two support columns, a guide cavity for providing a welding channel is arranged at the center position of the first fixed plate, a movable connecting frame is arranged below the first fixed plate, a first pressing structure for pressing the side surface of a reinforcing rib and a second pressing structure for pressing the top surface of the reinforcing rib are arranged at the bottom side of the connecting frame, a sliding moving rod is arranged below the connecting frame, a swinging frame which swings in a reciprocating manner along with the up-down movement of the connecting frame is arranged at the side surface of the moving rod, the swinging frame is used for supporting the television backboard from the bottom after swinging, a first supporting block and a second supporting block which are matched with the first pressing structure and the second pressing structure are respectively fixedly arranged at the side surface of the swinging frame, an auxiliary conveying structure for assisting the television backboard after the welding is finished is arranged below the connecting frame, a first supporting block is arranged at the side surface of the first supporting block, a first pressing structure for driving the television backboard is arranged at the side surface of the side surface, a first pressing structure for driving the television backboard is arranged at the side of the side surface of the first supporting block, a pressing structure is used for pressing the television backboard is arranged at the end of the side of the first pressing structure, a pressing block is arranged at the end of the pressing structure for pressing the television backboard is arranged at the end of the first pressing structure, and is arranged at the end of the television backboard, and is arranged at the end of the pressing structure for pressing the television backboard is symmetrically, and is arranged at the end of the first pressing structure is arranged at the end of the pressing structure for pressing the television backboard, and is arranged at the end of the pressing structure is arranged at the end of the pressing structure, and has pressing structure is arranged at the end of the pressing structure, and the pressing structure is used for pressing structure is used pressing structure and has the television backboard, one end of the fixed rod far away from the guide rod is fixedly arranged on the upper side of the fixed base. As a preferable technical scheme of the invention, a sliding groove is formed in the side face of the moving rod, two sliding rods are slidably arranged at the bottom of the connecting frame, racks are fixedly arranged at one ends of the sliding rods downwards penetrating through the sliding groove, two fixing frames are fixedly arranged on the side face of the moving rod, rotating shafts are rotatably arranged on the side faces of the two fixing frames, gears meshed with the racks are fixedly arranged between the two rotating shafts, and the swinging frame is fixedly arranged on the side face of the rotating shaft