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CN-120644762-B - Argon protection device for back surface of welding line

CN120644762BCN 120644762 BCN120644762 BCN 120644762BCN-120644762-B

Abstract

The invention discloses an argon protection device for the back of a welding line, which relates to the technical field of welding and comprises a workbench, wherein a plurality of supports are symmetrically arranged on the workbench, a rotating circular plate is arranged at the top of each support, rotating circular plates are arranged at one sides of two adjacent supports, which are close to each other, a rotating mechanism is arranged in each rotating circular plate, a handle I is arranged at the outer side of one support, the handle I is connected with the rotating mechanism, and the rotating mechanism comprises a U-shaped rotating frame and a bevel gear II which is rotationally arranged in the rotating circular plate.

Inventors

  • HE QIJIN
  • DING JIACANG
  • BAI JIAN
  • FENG ZHIWEI
  • Cao Zengwen
  • Xue Yuanqing
  • WANG CHAO

Assignees

  • 扬州中环电气科技有限公司

Dates

Publication Date
20260512
Application Date
20250715

Claims (8)

  1. 1. A welding seam back argon protection device comprises a workbench (1), and is characterized in that a plurality of supports (4) are symmetrically arranged on the workbench (1), a rotating circular plate (6) is arranged at the top of each support (4), rotating circular plates (6) are arranged on one sides, close to each other, of each support (4), a rotating mechanism is arranged in each rotating circular plate (6), a first handle (5) is arranged on the outer side of one support (4), the first handle (5) is connected with the rotating mechanism, the rotating mechanism comprises a rotating frame (63) with a U shape and a bevel gear II (67) which is rotatably arranged in the rotating circular plate (6), the rotating frame (63) is connected with the bevel gear II (67), rotating grooves (61) are formed in one sides, far away from each other, of the rotating frames (63) and rotating rods (62) which are capable of being in circumferential rotation connection with the rotating grooves (61), a welding pipe (8) is arranged between the adjacent rotating frames (63), a negative pressure collecting pipe (7) is arranged between the adjacent rotating frames (62) and is connected with a negative pressure collecting pipe (7), the negative pressure pipe (73) is fixed on the rotating frame (63) through a connecting bracket I (91); A plurality of center rods (69) are arranged between two adjacent rotating circular plates (6), one center rod (69) is connected with a first handle (5), a plurality of threaded rods (68) which are respectively matched and rotationally connected with a second bevel gear (67) and the rotating circular plates (6) are symmetrically arranged on the center rod (69), an adjusting ring I (613) and an adjusting ring II (611) which can be matched and rotationally connected with the threaded rods (68) are arranged on the center rod (69), the adjusting ring I (613) is matched and slidingly connected with the center rod (69), a first limit rod (612) and a second limit rod (614) are respectively and rotationally arranged on the adjusting ring II (611) and the adjusting ring I (613), an arc-shaped limit plate (610) is respectively and rotationally arranged on the first limit rod (612) and the second limit rod II (614), circular plates (692) which can be mutually and magnetically attracted are arranged at the center position of the center rod (69), a plurality of air chambers (691) which are used for forming air inlets and air inlets (691) are arranged on the air outlet circular plates (692), a plurality of air inlets (691) are connected with one end of adjacent circular plates (693) which are arranged on the adjacent two circular plates (694), adjacent two spacing picture peg (694) can cooperate magnetism to inhale mutually, and be provided with spacing bolt (695) on one of them spacing picture peg (694), be provided with the socket that can peg graft with spacing bolt (695) one-to-one on another spacing picture peg (694).
  2. 2. The argon protection device for the back of a welding line of claim 1, wherein a rotating bracket (711) is rotationally arranged on the inner wall of the collecting box (71), a connecting rod is rotationally arranged at the central position of the rotating bracket (711), a collecting cover plate (712) is arranged on the connecting rod, the collecting cover plate (712) is in a third sphere shape, a plurality of cooling grooves (713) are circumferentially distributed on the inner wall of the collecting cover plate (712), a plurality of leakage holes (714) are formed in the inner wall of the collecting cover plate (712) between two adjacent cooling grooves (713), driving fan blades connected with the connecting rod are arranged at the central position of the inner wall of the collecting cover plate (712) opposite to the suction end of the negative pressure pump (7), a second handle (72) is slidably arranged on the outer side of the collecting box (71), and a collecting pull plate (715) is arranged on one side of the second handle (72).
  3. 3. A weld backside argon shield according to claim 1, characterized in that an activated carbon block for adsorbing exhaust gas is provided in the collection box (71).
  4. 4. The argon protection device for the back of the welding seam according to claim 1, wherein the air flow output end of the negative pressure pump (7) is connected with an air blowing pipe (93), and the air blowing pipe (93) is fixed on the rotating rod (62) through a second connecting bracket (92).
  5. 5. The argon protection device for the back of a welding seam of claim 1, wherein a plurality of slots (616) are symmetrically arranged in the middle of the rotating frame (63), a first bevel gear (65) capable of being in meshed connection with a second bevel gear (67) is arranged in each slot (616), one side, away from each other, of each adjacent two first bevel gears (65) is connected with a first driven wheel (64), each first driven wheel (64) is connected with a second driven wheel (66) through a transmission belt, a lifting screw rod (661) positioned on the inner side of the rotating frame (63) is connected to each second driven wheel (66), a lifting insert rod (662) is connected to each lifting screw rod (661) in a threaded manner, a polishing clamping plate (663) is connected to the top of each lifting insert rod (662), and a plurality of fixing bolts (664) used for fixing are arranged on the polishing clamping plate (663).
  6. 6. A weld back argon shield according to claim 1, characterized in that the center of the table (1) is provided with a scrap chute (3) for receiving welding scrap.
  7. 7. A weld backside argon shield according to claim 1, characterized in that one side of the table (1) is provided with an argon tank (2).
  8. 8. The weld back argon shield of claim 7 wherein the output of the argon canister (2) extends through the inlet circular plate (691), the rotating circular plate (6) and the threaded rod (68) and the output port of the argon canister (2) is located between the inlet circular plate (691) and the outlet circular plate (692).

Description

Argon protection device for back surface of welding line Technical Field The invention relates to the technical field of welding, in particular to a welding seam back argon protection device. Background The argon protection on the back of the welding seam is a key process for preventing the back of the high-temperature welding seam from oxidizing and ensuring the welding quality, and is particularly suitable for welding easily-oxidized materials such as stainless steel, aluminum alloy, titanium alloy and the like. The method of direct injection in the actual welding process can provide enough protection, but many waste gases are generated in the welding process, the waste gases mainly generate in welding arc areas, metal vapor (such as iron, manganese), ozone, nitrogen oxides and the like are contained, the temperature is higher, metal scraps contained in the waste gases are sticky everywhere and difficult to clean after being cooled, and the traditional collection method for the waste gases is to place equipment for collecting the gas in a certain fixed direction, so that the waste gases generated in the welding process cannot be collected for the first time, and the treatment effect is limited. Disclosure of Invention The invention aims to solve the problem that the traditional waste gas treatment mode cannot collect and treat waste gas generated by welding in the first time, and provides a welding seam back argon protection device. In order to solve the technical problems, the invention adopts the following technical scheme that the argon protection device for the back surface of the welding line comprises a workbench: The welding machine comprises a workbench, and is characterized in that a plurality of supports are symmetrically arranged on the workbench, a rotating circular plate is arranged at the top of each support, two adjacent supports are arranged on one side, close to each other, of each support, a rotating mechanism is arranged in each rotating circular plate, a first handle is arranged on the outer side of one support, the first handle is connected with the rotating mechanism, the rotating mechanism comprises a U-shaped rotating frame and a bevel gear II which is rotatably arranged in the rotating circular plate, the rotating frame is connected with the bevel gear II, rotating grooves are formed in one side, far away from each other, of each rotating frame, rotating rods which are rotatably connected with the rotating grooves in a matched and circumferential mode are arranged on the rotating frames, welding pipes are arranged between the two adjacent rotating frames, a placing cylinder used for placing welding guns is arranged between the two adjacent rotating rods, a negative pressure pump is further arranged on the inner side of each rotating frame, a suction end of each negative pressure pump is connected with a collecting mechanism, and the negative pressure pipe is fixedly arranged on the rotating frame through the connecting frame. Preferably, the collecting box is characterized in that a rotating support is rotatably arranged on the inner wall of the collecting box, an activated carbon block for adsorbing waste gas is arranged in the collecting box, a connecting rod is rotatably arranged at the central position of the rotating support, a collecting cover plate is arranged on the connecting rod, the collecting cover plate is in a third sphere shape, a plurality of cooling grooves are circumferentially distributed on the inner wall of the collecting cover plate, a plurality of leakage holes are formed in the inner wall of the collecting cover plate between every two adjacent cooling grooves, driving fan blades connected with the connecting rod are arranged at the central position of the inner wall of the collecting cover plate opposite to the suction end of the negative pressure pump, a handle II is slidably arranged on the outer side of the collecting box, and a collecting pull plate is arranged on one side of the handle II in the collecting box. Preferably, an activated carbon block for adsorbing exhaust gas is arranged in the collecting box. Preferably, the air flow output end of the negative pressure pump is connected with an air blowing pipe, and the air blowing pipe is fixed on the rotating rod through a second connecting bracket. Preferably, a plurality of slots are symmetrically arranged in the middle of the rotating frame, a first bevel gear capable of being meshed with a second bevel gear is arranged in each slot, one side, away from each other, of each adjacent two bevel gears is connected with a first driven wheel, the first driven wheel is connected with a second driven wheel through a transmission belt, a lifting screw rod positioned on the inner side of the rotating frame is connected with the second driven wheel, a lifting inserting rod is connected with the lifting screw rod in a threaded mode, the top of the lifting inserting rod is connected with a polishing clamping p