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CN-224222925-U - Spot welding device for splicing household stainless steel water pipes

CN224222925UCN 224222925 UCN224222925 UCN 224222925UCN-224222925-U

Abstract

The utility model discloses a spot welding device for splicing household stainless steel pipes, and relates to the technical field of stainless steel pipe welding. The device comprises a fixing seat mechanism, a pliers mechanism and two connecting ribs, wherein the fixing seat mechanism comprises a fixing seat, a locating pin, four insulating sleeves, four tungsten needles, four locking screws and two argon pipes, the fixing seat consists of an upper fixing seat and a lower fixing seat, the fixing seat is symmetrically divided through a linear cutting process and is provided with a central hole, a locating pin hole, an insulating sleeve hole, an argon groove and other structures, the dimensional accuracy and welding protection of water pipe splicing are ensured, the pliers mechanism drives the upper fixing seat and the lower fixing seat to be separated and combined through a pliers pin shaft, the rotating locking function of a pliers tail fixing frame is matched, quick clamping and loosening are realized, the four tungsten needles are uniformly distributed and installed on the circumference of the fixing seat and are externally connected with an argon arc welding machine, and the four-point automatic spot welding can be sequentially completed through matching with an argon protection system, so that welding spots are uniform and firm, and the deformation of a splicing opening is avoided.

Inventors

  • LONG ANZHONG
  • SUN ZHENPING

Assignees

  • 中兴能源装备有限公司

Dates

Publication Date
20260512
Application Date
20250514

Claims (7)

  1. 1. The spot welding device for splicing the household stainless steel water pipes is characterized by comprising a fixing seat mechanism, a clamp mechanism and two connecting ribs (1), wherein the fixing seat mechanism comprises a fixing seat, a locating pin (4), four insulating sleeves (5), four tungsten needles (6), four locking screws (7) and two argon pipes (8), the fixing seat comprises an upper fixing seat (2) and a lower fixing seat (3), the clamp mechanism comprises a clamp and a clamp tail fixing frame, the clamp comprises a clamp pin shaft (9), an upper handle (10) and a lower handle (11), the clamp tail fixing frame comprises a frame pin shaft (12), a frame (13) and knurled bolts (14), the two connecting ribs (1) are fixedly connected to the fixing seat and the clamp at the same time, and circular arc surfaces of clamp ports are fixedly connected with circular arc surfaces of the fixing seat in a matched manner, so that the fixing seat mechanism and the clamp mechanism are integrated.
  2. 2. The spot welding device for splicing the stainless steel water pipes according to claim 1, wherein the fixing base is provided with a central hole (101), a positioning pin hole (102), four insulating sleeve holes (103) uniformly distributed in the circumferential direction, two argon holes (104) symmetrically distributed in the circumferential direction, four threaded holes (105) uniformly distributed in the circumferential direction and argon grooves (106), and after the fixing base is fixedly connected with pliers through two connecting ribs (1), the fixing base is divided into an upper fixing base (2) and a lower fixing base (3) symmetrically along the symmetry line of the pliers through warp cutting.
  3. 3. The spot welding device for splicing the stainless steel water pipes according to claim 1, wherein the upper fixing seat (2) and the lower fixing seat (3) are opened and closed by taking a clamp pin shaft (9) as a fulcrum and operating an upper handle (10) and a lower handle (11).
  4. 4. The spot welding device for splicing the stainless steel water pipes according to claim 1 is characterized in that the four tungsten needles (6) are respectively assembled in four insulating sleeve holes (103) in an interference mode through four insulating sleeves (5) and are respectively matched with four threaded holes (105) to fix the four tungsten needles, and the four tungsten needles (6) are externally connected to an argon arc welding machine to realize four-point sequential automatic spot welding.
  5. 5. The spot welding device for splicing the stainless steel water pipes, which is disclosed in claim 1, is characterized in that the two argon pipes (8) are fixedly connected with the two argon holes (104) and are externally connected with an argon device, and argon covers the spot welding area through an argon groove (106) to realize molten pool protection.
  6. 6. The spot welding device for splicing the stainless steel water pipes according to claim 1, wherein the lower end of the positioning pin (4) is in interference fit with the positioning pin hole (102) of the lower fixing seat (3), and the upper end of the positioning pin (4) is in clearance fit with the positioning pin hole (102) of the upper fixing seat (2) so as to ensure the dimensional precision of two water pipe ports to be spliced.
  7. 7. The spot welding device for splicing the stainless steel water pipes is characterized in that the frame (13) is connected to the tail end of the lower handle (11) through a frame pin shaft (12) to achieve a rotating function, knurled bolts (14) are matched with threaded holes of the frame (13) to achieve a locking function of the upper handle (10) and the lower handle (11), after two water pipe ports to be spot-welded are spliced and clamped in a central hole (101), the frame (13) rotates to enable the tail end of the upper handle (10) to enter the frame (13), the knurled bolts (14) are screwed to complete clamping, and after spot welding is finished, the knurled bolts (14) are unscrewed to enable the upper handle (10) to be separated from the frame (13) to be discharged.

Description

Spot welding device for splicing household stainless steel water pipes Technical Field The utility model relates to the technical field of stainless steel pipe welding processing, in particular to a spot welding device for splicing household stainless steel pipes. Background With the development of society, ordinary house ornamentation plastic water pipe is gradually replaced by stainless steel water pipe, but current house ornamentation stainless steel water pipe splice spot welding process adopts handheld single tungsten needle welder manual spot welding more, and each solder joint interval is uneven, the molten area is uneven, easily leads to each solder joint stress uneven, connect not firm, splice mouth deformation scheduling phenomenon to produce, causes adverse effect to follow-up girth welding, and inefficiency, with high costs. Therefore, the spot welding device for splicing the household stainless steel water pipes needs to be designed, so that the defects are fundamentally eliminated, and the production efficiency is improved. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the spot welding device for splicing the household stainless steel water pipes, which is used for accurately positioning the splicing joint of two water pipes through the circular fixing seat, wherein four tungsten needles are uniformly distributed and arranged on the circumference of the fixing seat and are externally connected with an argon arc welding machine, and the four tungsten needles are matched with an argon protection system to sequentially perform the innovative design of automatic spot welding, so that the function of four-point uniform spot welding is realized, the defect of spot welding in the background art is overcome, and the production efficiency is improved. The utility model provides a spot welding device for splicing household stainless steel water pipes, which comprises a fixing seat mechanism, a clamp mechanism and two connecting ribs, wherein the fixing seat mechanism comprises a fixing seat, a locating pin, four insulating sleeves, four tungsten pins, four locking screws and two argon pipes, the fixing seat comprises an upper fixing seat and a lower fixing seat, the clamp mechanism comprises a clamp and a clamp tail fixing frame, the clamp comprises a clamp pin shaft, an upper handle and a lower handle, the clamp tail fixing frame comprises a frame pin shaft, a frame and a knurled bolt, the two connecting ribs are fixedly connected to the fixing seat and the clamp at the same time, and the arc surface of a clamp port is fixedly connected with the arc surface of the fixing seat in a matched manner, so that the fixing seat mechanism and the clamp mechanism are integrated into a whole. Further, the fixing base is provided with a central hole, a positioning pin hole, four insulating sleeve holes uniformly distributed in the circumferential direction, two argon holes symmetrically distributed in the circumferential direction, four threaded holes uniformly distributed in the circular surface and an argon groove, and after the fixing base and the pliers are fixedly connected through two connecting ribs, the fixing base and the pliers are divided into symmetrical upper fixing base and lower fixing base along the symmetry line of the pliers through linear cutting. Further, the upper fixing seat and the lower fixing seat take a clamp pin shaft as a fulcrum, and the upper handle and the lower handle are operated to realize opening and closing. Further, the four tungsten needles are respectively assembled in the four insulating sleeve holes in an interference mode through the four insulating sleeves, and are respectively matched with the four threaded holes to be fixed through the four locking screws, and the four tungsten needles are externally connected to an argon arc welding machine to realize four-point sequential automatic spot welding. Further, the two argon pipes are fixedly connected to the two argon holes and externally connected to an argon device, and argon covers the spot welding area through an argon groove to realize molten pool protection. Further, the lower end of the locating pin is in interference fit with the locating pin hole of the lower fixing seat, and the upper end of the locating pin is in clearance fit with the locating pin hole of the upper fixing seat, so that the size precision of the ports of the two spliced water pipes is ensured. The frame is connected to the tail end of the lower handle through a frame pin shaft to achieve a rotating function, knurled bolts are matched with threaded holes of the frame to achieve a locking function of the upper handle and the lower handle, when two water pipe ports to be spot-welded are spliced and clamped in the central holes, the frame rotates to enable the tail end of the upper handle to enter the frame, the knurled bolts are screwed to complete clamping, and when spot welding is finished, the knur