US 12,330,229 B1
Suspended-type spot welding device convenient for welding and assembling of various vehicle models
Zhenglei Yu, Jilin (CN); Lixin Chen, Jilin (CN); Yiwen Zhang, Jilin (CN); Zezhou Xu, Jilin (CN); Shan Jiang, Jilin (CN); Long Ma, Jilin (CN); Lei Dong, Jilin (CN); Delong Gao, Jilin (CN); Linsen Song, Jilin (CN); Shouxin Ruan, Jilin (CN); Xin Li, Jilin (CN); Lidong Gu, Jilin (CN); Jing Jiao, Jilin (CN); and Hongbo Liu, Jilin (CN)
Assigned to Jilin University, Changchun (CN)
Filed by Jilin University, Jilin (CN)
Filed on Jan. 13, 2025, as Appl. No. 19/019,447.
Claims priority of application No. 202410411960.0 (CN), filed on Apr. 8, 2024.
Int. Cl. B23K 11/11 (2006.01)
CPC B23K 11/11 (2013.01) 4 Claims
OG exemplary drawing
 
1. A suspended-type spot welding device convenient for welding and assembling of various vehicle models, comprising a suspension frame (101), a rotation piece (102), a spot welding machine body (103), a first electrode holder (104), a second electrode holder (105), a camera (106), an electric wire (107), a second fixing frame (110), a display (111) and a limit assembly, wherein the suspension frame (101) is rotatably connected to the rotation piece (102), the spot welding machine body (103) is rotatably connected inside the rotation piece (102), the spot welding machine body (103) is fixedly connected to the first electrode holder (104), and one side of the spot welding machine body (103) close to the first electrode holder (104) is rotatably connected to the second electrode holder (105); the first electrode holder (104) is mounted with the camera (106) for shooting a welding seam, one side of the spot welding machine body (103) close to the rotation piece (102) is fixedly connected to the second fixing frame (110), and the display (111) for displaying the welding seam condition and position is rotatably connected inside the second fixing frame (110); and the display (111) comprises a rotation ring (114) and a display screen (113), the electric wire (107) is connected between the display (111) and the camera (106), and the spot welding machine body (103) is arranged with the limit assembly for limiting the display (111);
the limit assembly comprises a first fixing frame (108), a winding wheel (109), a balancing weight (112) and a driving assembly; the balancing weight (112) for limiting the display (111) is fixedly connected to a bottom of the rotation ring (114) of the display (111); and the first fixing frame (108) is fixedly connected to a top of the spot welding machine body (103), the first fixing frame (108) is rotatably connected to the winding wheel (109) for winding the electric wire (107), the electric wire (107) is wound on the winding wheel (109), and the first fixing frame (108) is arranged with the driving assembly for avoiding excessive pay-off of the electric wire (107);
the driving assembly comprises a motor (201), a rotatable piece (202) and a counting sensor (203); and the motor (201) is mounted inside the first fixing frame (108), an output shaft of the motor (201) is fixedly connected to the rotatable piece (202), the rotatable piece (202) is in contact with an inner wall of the winding wheel (109) and used for driving the winding wheel (109) to rotate, the rotatable piece (202) is connected to the counting sensor (203), and the counting sensor (203) is electrically connected to the motor (201);
a trigger frame (301), a fixing block (302), a first spring (303), a third fixing frame (304), a black lens (305) and a torsional spring (306) are also comprised; the first electrode holder (104) is fixedly connected to the fixing block (302), the trigger frame (301) is slidably connected inside the fixing block (302), and the first spring (303) is connected between the trigger frame (301) and the fixing block (302); and the camera (106) is fixedly connected to the third fixing frame (304), the third fixing frame (304) is rotatably connected to the black lens (305) for protecting the camera (106), the trigger frame (301) presses the black lens (305), and the torsional spring (306) is connected between the black lens (305) and the third fixing frame (304);
the trigger frame (301) is in contact with the black lens (305), the trigger frame (301) may be separated from the black lens (305) through movement, and the black lens (305) rotates to block the camera (106) under the action of the torsional spring (306);
a fourth fixing frame (401), a wiping piece (402) and a second spring (403) are also comprised; and the third fixing frame (304) is fixedly connected to the fourth fixing frame (401), the fourth fixing frame (401) is slidably connected to the wiping piece (402) for wiping the black lens (305), and the second spring (403) is connected between the wiping piece (402) and the fourth fixing frame (401); and
the wiping piece (402) is in contact with a bottom of the black lens (305), the black lens (305) rotates, and the wiping piece (402) moves along with the black lens (305) to erase welding slag attached to the bottom of the black lens (305).