Search

CN-119772478-B - Welding auxiliary device and welding system

CN119772478BCN 119772478 BCN119772478 BCN 119772478BCN-119772478-B

Abstract

The application provides a welding auxiliary device and a welding system, wherein the welding auxiliary device comprises a first limiting mechanism and a second limiting mechanism which are oppositely arranged along a first direction, one side of the first limiting mechanism, which faces the second limiting mechanism, is provided with a first limiting groove which is used for limiting a position to be welded of a plate after roll bending forming, and one side of the second limiting mechanism, which faces the first limiting mechanism, is provided with a second limiting groove which is used for limiting the bottom surface of the plate after roll bending forming. According to the application, the position to be welded of the plate after roll bending forming is limited through the first limiting groove, and the bottom surface of the plate after roll bending forming is limited through the second limiting groove, so that the rebound probability of the plate after roll bending forming is reduced, and the welding quality is ensured.

Inventors

  • HUANG YAOQIN
  • WANG HONGBIN
  • WANG XIAOSHUANG
  • YU ZHIMING

Assignees

  • 比亚迪股份有限公司

Dates

Publication Date
20260505
Application Date
20240808

Claims (14)

  1. 1. The welding auxiliary device (10) is characterized by comprising a first limiting mechanism (100) and a second limiting mechanism (200) which are oppositely arranged along a first direction, wherein one side of the first limiting mechanism (100) facing the second limiting mechanism (200) is provided with a first limiting groove (101), the first limiting groove (101) is used for limiting a to-be-welded position of a plate (1) after roll bending forming, and one side of the second limiting mechanism (200) facing the first limiting mechanism (100) is provided with a second limiting groove (201), and the second limiting groove (201) is used for limiting the bottom surface of the plate (1) after roll bending forming; the first limiting mechanism (100) comprises a first limiting block (110), a first regulating block (120) and a second regulating block (130) are arranged on one side, facing the second limiting mechanism (200), of the first limiting block (110), the first regulating block (120) and the second regulating block (130) are arranged at intervals along a second direction, the first limiting groove (101) is formed by the first limiting block (110), the first regulating block (120) and the second regulating block (130) in a surrounding mode, and the first regulating block (120) and the second regulating block (130) are slidably arranged on the first limiting block (110) along the second direction; the first limiting block (110) is further provided with a plurality of negative pressure holes (103), the negative pressure holes (103) are communicated with the first limiting groove (101), and the negative pressure holes (103) are used for being communicated with an external negative pressure source.
  2. 2. The welding auxiliary device (10) according to claim 1, wherein a first adjusting mechanism and a second adjusting mechanism are respectively arranged at two sides of the first limiting block (110) along the second direction, the first adjusting mechanism is connected with the first adjusting block (120) and can drive the first adjusting block (120) to slide on the first limiting block (110), and the second adjusting mechanism is connected with the second adjusting block (130) and can drive the second adjusting block (130) to slide on the first limiting block (110); The first adjusting mechanism comprises a first fixing seat (121) and a first adjusting rod (122), the first fixing seat (121) is fixedly connected with the first limiting block (110), the first adjusting rod (122) is rotatably arranged in the first fixing seat (121), a first adjusting hole is formed in the first adjusting block (120), and the first adjusting rod (122) is in threaded connection with the first adjusting hole; And/or, second adjustment mechanism includes second fixing base (131) and second adjustment pole (132), second fixing base (131) with first stopper (110) fixed connection, second adjustment pole (132) rotatable setting is in second fixing base (131), be equipped with the second regulation hole on second regulating block (130), second adjustment pole (132) with second regulation hole threaded connection.
  3. 3. The welding auxiliary device (10) according to claim 2, wherein a first guide plate (141) and a second guide plate (142) are respectively arranged on two sides of the first limiting block (110) along a third direction, the first guide plate (141) comprises a first connecting section (1411) and a first guide section (1412), the first guide section (1412) is perpendicular to the first connecting section (1411), the second guide plate (142) comprises a second connecting section (1421) and a second guide section (1422), the second guide section (1422) is perpendicular to the second connecting section (1421), the first connecting section (1411) and the second connecting section (1421) are respectively fixedly connected with two sides of the first limiting block (110) along the third direction, the first guide section (1412) and the second guide section (1422) are positioned on one side of the first limiting block (110) facing the second limiting mechanism (200), and the first regulating block (120) and the second regulating block (1422) are positioned between the first limiting block (1412) and the second limiting block (1422).
  4. 4. The welding auxiliary device (10) according to claim 1, wherein the first limiting mechanism is further provided with a welding notch (102), the welding notch (102) being in communication with the first limiting groove (101).
  5. 5. The welding auxiliary device (10) according to any one of claims 2-4, wherein the first limiting block (110) is a metal block, a ceramic plate (150) is further arranged on one side of the first limiting block (110) facing the second limiting mechanism (200), and the ceramic plate (150) is located in the first limiting groove (101).
  6. 6. The welding auxiliary device (10) according to claim 5, wherein a coolant pipeline is arranged in the first limiting block (110), a coolant inlet (111) and a coolant outlet (112) are arranged on the surface of the first limiting block (110), and the coolant pipeline is communicated with the coolant inlet (111) and the coolant outlet (112).
  7. 7. The welding assistance device (10) according to any one of claims 2-4, further comprising a mounting bracket, the mounting bracket comprising a first mounting plate (310) and a second mounting plate (320), the first mounting plate (310) being for connection to a ground surface, the second mounting plate (320) being vertically disposed on the first mounting plate (310), the first and second spacing mechanisms (100, 200) being slidably disposed on the second mounting plate (320) along the first direction.
  8. 8. The welding auxiliary device (10) according to claim 7, wherein a mounting groove (321) is formed at one end of the second mounting plate (320) away from the first mounting plate (310), the first limiting mechanism (100) further comprises a mounting seat (160) and a limiting seat (170), two ends of the mounting seat (160) along the second direction are respectively connected with the first limiting block (110) and the limiting seat (170), and the mounting seat (160) is slidably arranged in the mounting groove (321); One end of the second mounting plate (320) deviating from the first mounting plate (310) is further connected with a fixing plate (330) and a third adjusting rod (340), a third adjusting hole is formed in the fixing plate (330), the third adjusting rod (340) penetrates through the third adjusting hole and is in threaded connection with the third adjusting hole, a connecting groove (1601) is further formed in the mounting seat (160), and the third adjusting rod (340) is fixedly connected with the connecting groove (1601).
  9. 9. The welding auxiliary device (10) according to claim 8, wherein the mounting base (160) comprises a body (161) and a guide part (162), the guide part (162) is arranged on two sides of the body (161) along a third direction, the body (161), the guide part (162) and the limit base (170) jointly enclose a guide groove, and one end of the second mounting plate (320) deviating from the first mounting plate (310) is penetrated in the guide groove; one side of spacing seat (170) towards second mounting panel (320) still is equipped with spacing recess, be equipped with compact heap (171) in the spacing recess, spacing seat (170) still are equipped with the butt piece, the butt piece pass behind spacing seat (170) with compact heap (171) are connected the butt piece is used for promoting the stopper with second mounting panel (320) butt.
  10. 10. The welding auxiliary device (10) according to claim 8, wherein a first adapter plate (180) is further provided between the mounting base (160) and the first stopper (110), and the first adapter plate (180) is connected to the first stopper (110) through a plurality of reinforcing ribs (190).
  11. 11. The welding auxiliary device (10) according to claim 7, characterized in that the second limiting mechanism (200) comprises a second limiting block (210), the side of the second limiting block (210) facing the first limiting mechanism (100) being provided with the second limiting groove (201).
  12. 12. The welding auxiliary device (10) according to claim 11, wherein the second limiting mechanism (200) further comprises a fixed base (220), the fixed base (220) being connected to the second mounting plate (320), the second limiting block (210) being slidably arranged on the fixed base (220) along a second direction; The second limiting mechanism (200) further comprises a third fixing seat (211) and a fourth adjusting rod (212), the third fixing seat (211) is fixedly connected with the fixing base (220), the fourth adjusting rod (212) is rotatably arranged in the third fixing seat (211), a fourth adjusting hole is formed in the second limiting block (210), and the fourth adjusting rod (212) is in threaded connection with the fourth adjusting hole.
  13. 13. The welding auxiliary device (10) according to claim 12, wherein a second adapter plate (230) is further provided between the fixed base (220) and the second mounting plate (320), the fixed base (220) being slidably arranged on the second adapter plate (230) along the first direction; The second limiting mechanism (200) further comprises a fourth fixing seat (221) and a fifth adjusting rod (222), the fourth fixing seat (221) is fixedly connected with the second adapter plate (230), the fifth adjusting rod (222) is rotatably arranged in the fourth fixing seat (221), a fifth adjusting hole is formed in the fixing base (220), and the fifth adjusting rod (222) is in threaded connection with the fifth adjusting hole.
  14. 14. Welding system, characterized in that it comprises at least two squeeze roll devices (20), a welding device and a welding auxiliary device (10) according to any of claims 1-13, wherein the two squeeze roll devices (20) are located on both sides of the welding auxiliary device (10) in a third direction, respectively, and the welding device is used for welding the roll-formed sheet material (1) through a welding notch (102) of the welding auxiliary device (10).

Description

Welding auxiliary device and welding system Technical Field The application relates to the technical field of welding, in particular to a welding auxiliary device and a welding system. Background Roll bending forming is a process whereby a sheet metal material is bent and formed in rotating rolls, the sheet material being progressively bent through a series of rolls to ultimately form the desired structure. The plate after roll bending is formed into a position to be welded with a gap at one end, so that subsequent treatments such as cutting and welding are needed to meet the final requirements of products. In the scheme of the related technology, the plate after roll bending forming is usually extruded and limited by using extrusion rollers at two sides of the plate during welding, and then welded and fixed at the position to be welded of the formed plate by using a welding device. However, with the related art solution, the sheet material after roll bending may rebound during welding, so that the sheet material at the position to be welded cannot be aligned, and the welding quality is affected. Disclosure of Invention In order to overcome the above-mentioned drawbacks of the related art, an object of the present application is to provide a welding auxiliary device and a welding system, which can maintain the staggered layers of the plates at the positions to be welded within a reasonable range, thereby being beneficial to ensuring the welding quality. On the one hand, the application provides a welding auxiliary device, which comprises a first limiting mechanism and a second limiting mechanism which are oppositely arranged along a first direction, wherein one side of the first limiting mechanism, which faces the second limiting mechanism, is provided with a first limiting groove which is used for limiting a position to be welded of a plate after roll bending forming, and one side of the second limiting mechanism, which faces the first limiting mechanism, is provided with a second limiting groove which is used for limiting the bottom surface of the plate after roll bending forming. In one possible implementation manner, the first limiting mechanism comprises a first limiting block, a first adjusting block and a second adjusting block are arranged on one side, facing the second limiting mechanism, of the first limiting block, the first adjusting block and the second adjusting block are arranged at intervals along a second direction, the first limiting block, the first adjusting block and the second adjusting block jointly enclose a first limiting groove, the first adjusting block and the second adjusting block are slidably arranged on the first limiting block along the second direction, and the welding notch is formed in the first limiting block. In one possible implementation manner, a first adjusting mechanism and a second adjusting mechanism are respectively arranged at two sides of the first limiting block along the second direction, the first adjusting mechanism is connected with the first adjusting block and can drive the first adjusting block to slide on the first limiting block, and the second adjusting mechanism is connected with the second adjusting block and can drive the second adjusting block to slide on the first limiting block; The first adjusting mechanism comprises a first fixing seat and a first adjusting rod, the first fixing seat is fixedly connected with the first limiting block, the first adjusting rod is rotatably arranged in the first fixing seat, a first adjusting hole is formed in the first adjusting block, and the first adjusting rod is in threaded connection with the first adjusting hole; And/or, second adjustment mechanism includes second fixing base and second adjustment pole, the second fixing base with first stopper fixed connection, the rotatable setting of second adjustment pole is in the second fixing base, be equipped with the second regulation hole on the second regulating block, the second adjustment pole with second regulation hole threaded connection. In one possible implementation manner, the first limiting block is provided with a first guide plate and a second guide plate respectively on two sides of the first limiting block along the third direction, the first guide plate comprises a first connecting section and a first guide section, the first guide section is perpendicular to the first connecting section, the second guide plate comprises a second connecting section and a second guide section, the second guide section is perpendicular to the second connecting section, the first connecting section and the second connecting section are fixedly connected with two sides of the first limiting block along the third direction respectively, the first guide section and the second guide section are located on one side, facing the second limiting mechanism, of the first limiting block, and the first adjusting block and the second adjusting block are located between the firs