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CN-224223076-U - Automobile body welding positioning fixture

CN224223076UCN 224223076 UCN224223076 UCN 224223076UCN-224223076-U

Abstract

The utility model discloses an automobile body welding positioning fixture which comprises a mounting base and a motor I, wherein the upper surface of the mounting base is fixedly connected with a guide sleeve, a hydraulic cylinder is fixedly arranged on the upper surface of the mounting base, the output end of the hydraulic cylinder is fixedly connected with a box body, the bottom surface of the box body is fixedly connected with a guide rod, the box body is rotationally connected with the outer side of a rotary drum, the outer side of the rotary drum is fixedly connected with a driven gear, one end of the motor I is fixedly connected with a bidirectional screw rod, a motor II is fixedly arranged in the box body, the output end of the motor II is fixedly connected with a driving gear, and a moving block is arranged in the rotary drum. According to the utility model, the height of the contact plate is adjusted by pushing the hydraulic cylinder, the contact plate is driven to move by the bidirectional screw rod to facilitate the adsorption and fixation of the automobile bodies with different sizes by the bidirectional screw rod, the automobile bodies with different sizes are conveniently adsorbed and fixed by adjusting the position of the movable plate, and the automobile bodies are adsorbed and fixed by utilizing the magnetic force generated by the electrified coil, so that the occurrence of indentation and scratch during fixation is avoided.

Inventors

  • ZHANG JIANSONG
  • LAI YONGHUI

Assignees

  • 泉州南安骏御汽车服务有限公司

Dates

Publication Date
20260512
Application Date
20250426

Claims (6)

  1. 1. The utility model provides an automobile body welding positioning fixture, includes installation base (1), motor one (8), its characterized in that installation base (1) upper surface and guide pin bushing (2) fixed connection, installation base (1) upper surface fixed mounting has pneumatic cylinder (3), the output and the box (4) fixed connection of pneumatic cylinder (3), box (4) bottom surface and guide bar (5) fixed connection, box (4) and rotary drum (6) outside rotation are connected, rotary drum (6) outside and driven gear (7) fixed connection, motor one (8) one end and two-way lead screw (9) fixed connection, motor two (10) are installed to box (4) inside fixed mounting, the output and the drive gear (11) fixed connection of motor two (10), rotary drum (6) inside set up movable block (12), movable block (12) top and telescopic link (13) fixed connection, the output and the casing (14) fixed connection of telescopic link (13), casing (14) inside set up coil (16) and contact plate (16) side, casing (16) contact plate (16) one side.
  2. 2. The welding positioning fixture for the automobile body of the automobile according to claim 1, wherein the bottoms of the guide sleeves (2) are fixedly connected uniformly on two sides of the mounting base (1), the inside of the guide sleeves (2) is in sliding fit with the outer sides of the guide rods (5), the box body (4) and the guide rods (5) are symmetrically distributed on two sides of the mounting base (1), and two ends of the rotating drum (6) are respectively connected with the box body (4) in a rotating mode.
  3. 3. The welding positioning fixture for automobile bodies according to claim 1, wherein a rectangular through hole is formed in the outer side of the rotary drum (6), the rotary drum (6) is in sliding fit with the outer side of the moving block (12) through the rectangular through hole, and the moving block (12) is a T-shaped block.
  4. 4. The welding positioning fixture for the automobile body of the automobile according to claim 1, wherein one end of the rotary drum (6) extends into the box body (4) and is fixedly connected with the driven gear (7), the driven gear (7) and the driving gear (11) are bevel gears, and the outer side of the driving gear (11) is in meshed connection with the driven gear (7).
  5. 5. The welding positioning fixture for the automobile body of the automobile according to claim 1, wherein opposite threads are formed on two sides of the bidirectional screw rod (9), the moving blocks (12) are symmetrically distributed on two sides of the bidirectional screw rod (9), threaded holes are formed in the side faces of the moving blocks (12), and the moving blocks (12) are in threaded connection with the outer sides of the bidirectional screw rod (9) through the threaded holes.
  6. 6. The welding positioning fixture for automobile bodies according to claim 1, wherein the energizing coil (15) is located inside the shell (14), the contact plate (16) is adhered and fixed to the side face of the shell (14), the shell (14) is made of rubber materials, and the pressure sensor (17) is located between the shell (14) and the contact plate (16).

Description

Automobile body welding positioning fixture Technical Field The utility model relates to the technical field of automobile welding, in particular to an automobile body welding positioning clamp. Background The self-body component of the automobile is mainly manufactured by assembling and welding cold-rolled steel plate stamping parts with good stamping and welding process, adopts a production mode of flow production, has high degree of mechanization and automation, and adopts special equipment and tool fixtures in a large number. The automobile body is fixed to the automobile body clamping that needs to use car anchor clamps in processing or maintenance process, conveniently carries out welding work, and current car anchor clamps's function is comparatively single, and the angle and the position of clamp splice are inconvenient for adjusting, and traditional centre gripping often causes the automobile body indentation to scratch even to cut and scratch simultaneously, and this can influence the quality of automobile body, causes loss of property. Disclosure of utility model The utility model aims to provide an automobile body welding positioning clamp for solving the problems in the background technology. The technical scheme is that the welding positioning fixture for the automobile body comprises a mounting base and a first motor, wherein the upper surface of the mounting base is fixedly connected with a guide sleeve, a hydraulic cylinder is fixedly arranged on the upper surface of the mounting base, the output end of the hydraulic cylinder is fixedly connected with a box body, the bottom surface of the box body is fixedly connected with a guide rod, the box body is rotationally connected with the outer side of a rotary drum, the outer side of the rotary drum is fixedly connected with a driven gear, one end of the first motor is fixedly connected with a bidirectional screw rod, a second motor is fixedly arranged in the box body, the output end of the second motor is fixedly connected with a driving gear, a moving block is arranged in the rotary drum, the top of the moving block is fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a shell, an electrified coil is arranged in the shell, one side of the shell is fixedly connected with a contact plate, and the side surface of the contact plate is provided with a pressure sensor. Preferably, the bottom of the guide sleeve is fixedly connected uniformly on two sides of the mounting base, the inside of the guide sleeve is in sliding fit with the outer side of the guide rod, the box body and the guide rod are symmetrically distributed on two sides of the mounting base, and two ends of the rotary drum are respectively connected with the box body in a rotating way. Preferably, a rectangular through hole is formed in the outer side of the rotary drum, the rotary drum is in sliding fit with the outer side of the moving block through the rectangular through hole, and the moving block is a T-shaped block. Preferably, one end of the rotary drum extends to the inside of the box and is fixedly connected with the driven gear, the driven gear and the driving gear are bevel gears, and the outer side of the driving gear is in meshed connection with the driven gear. Preferably, opposite threads are arranged on two sides of the bidirectional screw rod, the moving blocks are symmetrically distributed on two sides of the bidirectional screw rod, threaded holes are formed in the side faces of the moving blocks, and the moving blocks are in threaded connection with the outer sides of the bidirectional screw rod through the threaded holes. Preferably, the energizing coil is located inside the shell, the contact plate is fixedly adhered to the side face of the shell, the shell is made of rubber materials, and the pressure sensor is located between the shell and the contact plate. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the hydraulic cylinder is used for pushing the box body to move up and down, so that the height of the contact plate is adjusted, the automobile body is conveniently moved to the target height for welding, the motor is used for enabling the bidirectional screw rod to rotate, so that the moving blocks on two sides drive the contact plate to move simultaneously, the automobile bodies with different sizes are conveniently adsorbed and fixed through the adjustment of the positions of the moving plates, the driving gear is used for driving the driven gear and the rotary drum to rotate through the motor, the angle adjustment of the automobile body is realized, and the welding flexibility of the automobile body is enhanced. The utility model also drives the contact plate to move through the telescopic rod, so that the situation that the contact plates at two sides are positioned on the same plane to cause unstable clamping of the cambered surface of the