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CN-121972767-A - Welding device for rotating shaft of automobile fan

CN121972767ACN 121972767 ACN121972767 ACN 121972767ACN-121972767-A

Abstract

The invention relates to the technical field of welding devices, and discloses an automobile fan rotating shaft welding device which comprises a portal frame, wherein a movable welding gun is arranged on the portal frame, a wire feeding pipe is arranged on one side of the welding gun, a wire feeding head is arranged at the end part of the wire feeding pipe, the wire feeding pipe is elastically connected with the wire feeding head through a reset spring, a cleaning mechanism is arranged on one side of the portal frame and comprises a lifting cleaning head, a base is arranged on one side of the cleaning head, a first cylinder is arranged on the base, a pull rod is arranged on a piston rod of the first cylinder, and a first motor for adjusting the angle of the wire feeding pipe is arranged on a gun body of the welding gun. According to the invention, the separable wire feeding head and the wire feeding tube are arranged, so that a larger gap can be reserved between the wire feeding tube and the wire feeding head during cleaning, and even if part of impurities are pushed away by the cleaning head, the impurities can be cleaned conveniently.

Inventors

  • ZHAO MINGQUAN

Assignees

  • 浙江明隆智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260303

Claims (10)

  1. 1. The welding device for the rotating shaft of the automobile fan comprises a portal frame (1) and is characterized in that a movable welding gun (2) is arranged on the portal frame (1), a wire feeding pipe (3) is arranged on one side of the welding gun (2), a wire feeding head (4) is arranged at the end part of the wire feeding pipe (3), and the wire feeding pipe (3) is elastically connected with the wire feeding head (4) through a reset spring (5); One side of portal frame (1) is equipped with clean mechanism, just clean mechanism includes liftable cleaning head (6), one side of cleaning head (6) is equipped with base (7), just be equipped with first cylinder (8) on base (7), be equipped with pull rod (9) on the piston rod of first cylinder (8), be equipped with on the rifle body of welder (2) be used for right send angle of silk pipe (3) to go on first motor (10).
  2. 2. The welding device for the rotating shaft of the automobile fan according to claim 1, wherein a first cavity (401) is formed in the wire feeding head (4), a movable seat (11) is arranged in the first cavity (401), a guide rod (12) is arranged on the wire feeding tube (3), and one end of the guide rod (12) penetrates through the wire feeding head (4) and is fixedly connected with the movable seat (11).
  3. 3. The welding device for the rotating shaft of the automobile fan according to claim 2, wherein a second cavity (402) is further formed in the wire feeding head (4), a nozzle (13) is arranged on the upper side of the second cavity (402), one end of the nozzle (13) is communicated with the second cavity (402), and a runner used for communicating the first cavity (401) and the second cavity (402) is formed in the wire feeding head (4).
  4. 4. The welding device for the rotating shaft of the automobile fan according to claim 3, wherein a piston (14) is arranged at one end of the movable seat (11), and the piston (14) is elastically connected with the movable seat (11) through a first spring (15); The wire feeding head (4) is provided with a limiting block (16) used for limiting the piston (14), the limiting block (16) is elastically connected with the wire feeding head (4) through a second spring (17), one end of the limiting block (16) is provided with an inclined plane, the wire feeding tube (3) is provided with an extension rod (18), and the position of the extension rod (18) is opposite to that of the limiting block (16).
  5. 5. The welding device for the rotating shaft of the automobile fan according to claim 4, wherein an extension block (19) is arranged on the outer side of the wire feeding head (4), the extension block (19) is elastically connected with the wire feeding head (4) through a third spring (20), and a push rod (21) is arranged on the extension block (19).
  6. 6. The welding device for the rotating shaft of the automobile fan according to claim 5, wherein the nozzle (13) is elastically connected with the wire feeding head (4) through a torsion spring (22), a protrusion (23) is arranged on the nozzle (13), an inclined surface is arranged on the protrusion (23), and one end of the ejector rod (21) penetrates through the wire feeding head (4) and is abutted against one end of the protrusion (23) with the inclined surface.
  7. 7. The welding device for the rotating shaft of the automobile fan according to claim 6, wherein a clamping block (24) is arranged on the wire feeding head (4), the clamping block (24) is elastically connected with the wire feeding head (4) through a fourth spring (25), one end of the clamping block (24) extends into the first cavity (401), a groove (1201) which is matched with the clamping block (24) is formed in the guide rod (12), and an adjusting mechanism for adjusting the clamping block (24) is arranged at the portal frame (1).
  8. 8. The welding device for the rotating shaft of the automobile fan according to claim 7, wherein the adjusting mechanism comprises a limiting rod (26), and one end of the limiting rod (26) is fixedly connected with the welding gun (2).
  9. 9. The welding device for the rotating shaft of the automobile fan according to claim 7, wherein the adjusting mechanism comprises an adjusting ring (28), the adjusting ring (28) is in sliding connection with the wire feeding head (4), the adjusting ring (28) is fixedly connected with the extension block (19) through a connecting rod (29), and one end of the clamping block (24) is provided with an inclined plane.
  10. 10. The welding device for the rotating shaft of the automobile fan according to claim 1, wherein the base (7) is provided with a second air cylinder (27), a piston rod of the second air cylinder (27) is provided with a driving motor (30), and an output shaft of the driving motor (30) is fixedly connected with the cleaning head (6).

Description

Welding device for rotating shaft of automobile fan Technical Field The invention relates to the technical field of welding devices, in particular to a welding device for a rotating shaft of an automobile fan. Background The rotating shaft of the fan of the automobile is mostly spliced by a plurality of sections of shafts, such as an optical axis is in butt joint with a spline shaft, and a short axis is in butt joint with a long axis, and the fan rotating shaft and fan blades are welded. When the rotating shaft of the automobile fan is processed, two common welding modes are arc welding and plasma arc welding, namely, the plasma arc welding is an upgrade version of arc welding, and the principle is that compressed electric arc is used as a heat source for welding, so that the energy density is higher, an arc column is more stable, a heat affected zone is smaller, and the welding method is suitable for processing precision shaft parts. In some cases, when gaps exist in the assembly or weld strength needs to be improved, wire filling treatment is needed in the welding process, and then an automatic wire feeding mechanism is needed. The automatic wire feeding mechanism is frequently subjected to the problem of unsmooth wire feeding in the using process, and the reasons for the problem mainly include three points, namely 1, the problem of welding wires, unsmooth wire feeding caused by bending, knotting, arching, rust, oxidization and uneven materials of the welding wires, 2, the failure of the wire feeding mechanism, abrasion of wire feeding wheels, foreign matters or improper pressure, 3, unsmooth wire guide pipelines, the fact that the wire guide mouth at the tail end of a welding gun is close to a molten pool, and welding splashed slag is easy to adhere in the mouth to block a welding wire channel. In the prior art, the problem of blockage of the wire guide nozzle is generally that the wire guide nozzle is stopped firstly, then the wire guide nozzle is dredged by using a clearance bar manually, but the current wire guide nozzle and the wire guide tube are fixed by threads or screws, and when the wire guide nozzle is dredged by the clearance bar, the clearance bar can easily poke a blockage at the wire guide nozzle to the deep part of the wire guide tube, so that inconvenience is brought to cleaning. Disclosure of Invention The invention provides a welding device for a rotating shaft of an automobile fan, which has the beneficial effects that by arranging a detachable wire feeding pipe and a wire feeding head, blocking objects are not easy to poke to the deep part of the wire feeding pipe during dredging, and the cleaning effect is better. The invention provides a technical scheme that an automobile fan rotating shaft welding device comprises a portal frame, wherein a movable welding gun is arranged on the portal frame, a wire feeding pipe is arranged on one side of the welding gun, a wire feeding head is arranged at the end part of the wire feeding pipe, and the wire feeding pipe is elastically connected with the wire feeding head through a reset spring; One side of portal frame is equipped with clean mechanism, just clean mechanism includes the cleaning head of liftable, one side of cleaning head is equipped with the base, just be equipped with first cylinder on the base, be equipped with the pull rod on the piston rod of first cylinder, be equipped with on the rifle body of welder and be used for right send the angle of silk pipe to carry out the first motor of regulation. As an alternative scheme of the welding device for the rotating shaft of the automobile fan, a first cavity is formed in the wire feeding head, a movable seat is arranged in the first cavity, a guide rod is arranged on the wire feeding pipe, and one end of the guide rod penetrates through the wire feeding head and is fixedly connected with the movable seat. As an alternative scheme of the automobile fan rotating shaft welding device, a second cavity is further formed in the wire feeding head, a nozzle is arranged on the upper side of the second cavity, one end of the nozzle is communicated with the second cavity, and a runner used for communicating the first cavity with the second cavity is formed in the wire feeding head. As an alternative scheme of the welding device for the rotating shaft of the automobile fan, a piston is arranged at one end of the movable seat, and the piston is elastically connected with the movable seat through a first spring; The wire feeding head is provided with a limiting block used for limiting the piston, the limiting block is elastically connected with the wire feeding head through a second spring, one end of the limiting block is provided with an inclined plane, the wire feeding pipe is provided with an extension rod, and the position of the extension rod is opposite to that of the limiting block. As an alternative scheme of the automobile fan rotating shaft welding device, an extension block is arranged o