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CN-224231447-U - Intensity test device of stainless steel spot welding joint

CN224231447UCN 224231447 UCN224231447 UCN 224231447UCN-224231447-U

Abstract

The utility model discloses a strength test device for stainless steel spot welding joints, which comprises a test box, wherein a clamping mechanism comprises a mounting plate fixed at the bottom of the inner wall of the test box, the top of the mounting plate is rotationally connected with a rotating rod, a gear is fixed at the top of the outer wall of the rotating rod, mounting blocks are arranged on two sides of the top of the mounting plate, racks are fixed on one surfaces of the two mounting blocks, which are close to each other, the two mounting blocks are staggered, a fixing frame is fixed on the top of the mounting plate, communicating through grooves are formed on two sides of the top of the fixing frame, L-shaped fixing rods are fixed on the tops of the two mounting blocks, the two L-shaped fixing rods penetrate through the through grooves, and arc-shaped clamping blocks are fixed on one surfaces of the two through grooves, which are close to each other. The utility model realizes the clamping and fixing of the two arc-shaped clamping blocks to the spot welding head by using the independent motor, saves the test cost, realizes the synchronous movement of the two arc-shaped clamping blocks to the spot welding head for fixing, and improves the reliability of the test result.

Inventors

  • WEI CHENGJIN
  • ZHENG SHIYANG
  • YANG FENGHUA
  • LIN YUTING
  • ZHOU GUANGHAO
  • ZHANG JIAQI
  • WANG RUIZHE
  • HUANG YAN

Assignees

  • 长春工程学院

Dates

Publication Date
20260512
Application Date
20250528

Claims (9)

  1. 1. The strength test device for the stainless steel spot welding joint comprises a test box (1) and is characterized in that a fixing frame (401) is arranged in the test box (1), a spot welding joint (502) is arranged above the fixing frame (401), a clamping mechanism for clamping and fixing the spot welding joint (502) is arranged below the fixing frame (401), and a test mechanism for strength test of the spot welding joint (502) is arranged at the top of the inside of the test box (1); The clamping mechanism comprises a mounting plate (4) fixed at the bottom of the inner wall of a test box (1), a rotating rod (412) is rotatably connected to the top of the mounting plate (4), a gear (411) is fixed to the top of the outer wall of the rotating rod (412), mounting blocks (407) are arranged on two sides of the top of the mounting plate (4), racks (410) are fixed to two sides of the mounting blocks (407) which are close to each other, the racks (410) are meshed with two sides of the gear (411) respectively, the two mounting blocks (407) are staggered, a fixing frame (401) is fixed to the top of the mounting plate (4), communicating through grooves (403) are formed in two sides of the top of the fixing frame (401), L-shaped fixing rods (404) are fixed to the top of the mounting blocks (407), and arc-shaped clamping blocks (405) are fixed to one sides of the two through grooves (403) which are close to each other.
  2. 2. The strength test device of the stainless steel spot welding joint according to claim 1, wherein anti-slip pads (406) are mounted on the inner walls of both the arc-shaped clamping blocks (405).
  3. 3. The strength test device for the stainless steel spot welding joint according to claim 1, wherein a placement platform (5) is fixed at the top of the fixing frame (401), a pressure sensor (501) is embedded and installed at the top of the placement platform (5), and a spot welding joint (502) is placed at the top of the pressure sensor (501).
  4. 4. The strength test device for the stainless steel spot welding joint according to claim 1, wherein sliding grooves (409) are formed in two sides of the top of the mounting plate (4), sliding blocks (408) are slidably arranged in the sliding grooves (409), and the tops of the two sliding blocks (408) are fixedly connected with the bottoms of the two mounting blocks (407) respectively.
  5. 5. The strength test device of the stainless steel spot welding joint according to claim 1, wherein a motor (402) is installed at the bottom of the mounting plate (4), and an output shaft of the motor (402) is fixedly connected with the bottom of the rotating rod (412).
  6. 6. The strength test device for the stainless steel spot welding joint according to claim 1, wherein the test mechanism comprises a fixing plate (3) fixed at the top of the inside of the test box (1), an air cylinder (304) is mounted at the top of the fixing plate (3), and a pressing plate (301) is fixed on an output shaft of the air cylinder (304) through the fixing plate (3).
  7. 7. The strength test device for the stainless steel spot welding joint according to claim 6, wherein a camera (303) is installed on one side of the inner wall of the test box (1), and a transparent protective cover (302) is installed on the outer surface of the camera (303).
  8. 8. The strength test device of the stainless steel spot welding joint according to claim 1, wherein a control box (2) is arranged at the top of the inner wall of the test box (1), a display screen (201) is arranged on one side of the control box (2), and the camera (303) and the pressure sensor (501) are electrically connected with the display screen (201) through wires.
  9. 9. The strength test device for the stainless steel spot welding joint according to claim 1, wherein a sealing door (101) is arranged on the outer wall of one side of the test box (1), and an observation window (102) is arranged on the outer wall of the sealing door (101).

Description

Intensity test device of stainless steel spot welding joint Technical Field The utility model relates to the technical field of spot welding joint tests, in particular to a strength test device for a stainless steel spot welding joint. Background The spot welding joint is a metal joint formed by connecting through a spot welding process, and the spot welding is a common and efficient welding method, is widely applied to the connection of thin-wall metal materials, and plays an important role in the fields of automobile manufacturing, household appliances, electronic products and the like. After production is completed, a strict strength test must be performed in order to ensure the reliability and strength of the spot welded joint. If the strength of the welded joint is insufficient, structural failure may result, thereby creating a potential safety hazard. In the strength test of a spot weld joint, it is often necessary to clamp it. The method commonly used at present is to arrange a plurality of electric push rods to drive the clamp to clamp, and the method not only increases the cost of spot welding joint testing, but also increases the later maintenance cost. In addition, a plurality of electric pushrods may be out of sync, resulting in deviation in the clamping process, thereby affecting the subsequent test results, and thus, a strength test device for stainless steel spot welding joints is needed to solve such problems. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a strength test device for a stainless steel spot welding joint. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The strength test device for the stainless steel spot welding joint comprises a test box, wherein a fixing frame is arranged in the test box, the spot welding joint is arranged above the fixing frame, a clamping mechanism for clamping and fixing the spot welding joint is arranged below the fixing frame, and a test mechanism for performing strength test on the spot welding joint is arranged at the top of the inside of the test box; The clamping mechanism comprises a mounting plate fixed at the bottom of the inner wall of the test box, the top of the mounting plate is rotationally connected with a rotating rod, the top of the outer wall of the rotating rod is fixedly provided with gears, mounting blocks are arranged on two sides of the top of the mounting plate, racks are respectively fixed on one surfaces of the mounting blocks, which are close to each other, the racks are respectively meshed with two sides of the gears, the two mounting blocks are staggered, a fixing frame is fixed on the top of the mounting plate, communicating through grooves are formed in two sides of the top of the fixing frame, L-shaped fixing rods are respectively fixed on the top of the mounting blocks, the two L-shaped fixing rods penetrate through the through grooves, and arc-shaped clamping blocks are respectively fixed on one surfaces of the through grooves, which are close to each other. Preferably, the inner walls of the two arc-shaped clamping blocks are provided with anti-slip pads. Preferably, a placing platform is fixed at the top of the fixing frame, a pressure sensor is embedded and installed at the top of the placing platform, and a spot welding joint is placed at the top of the pressure sensor. Preferably, the top both sides of mounting panel have all been seted up the spout, two the inside of spout all slides and is equipped with the slider, two the top of slider respectively with the bottom fixed connection of two installation pieces. Preferably, a motor is installed at the bottom of the mounting plate, and an output shaft of the motor is fixedly connected with the bottom of the rotating rod. Preferably, the test mechanism comprises a fixed plate fixed at the top of the inside of the test box, the top of the fixed plate is provided with a cylinder, and an output shaft of the cylinder penetrates through the fixed plate to be fixed with a pressing plate. Preferably, a camera is installed on one side of the inner wall of the test box, and a transparent protective cover is installed on the outer surface of the camera. Preferably, the inner wall top of test chamber is equipped with the control box, one side of control box is equipped with the display screen, and camera, pressure sensor all pass through wire electric connection with the display screen. Preferably, a sealing door is arranged on the outer wall of one side of the test box, and an observation window is arranged on the outer wall of the sealing door. The beneficial effects of the utility model are as follows: 1. Because the clamping mechanism is adopted, the gear is driven to rotate through one motor and meshed with two racks, the two mounting blocks are mutually close, the mounting blocks can drive the two L-shaped fixing rods to mutually close, and drive the two arc-shape