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CN-224222949-U - Friction stir welding water-cooling plate welding tool bit with self-cleaning function

CN224222949UCN 224222949 UCN224222949 UCN 224222949UCN-224222949-U

Abstract

The utility model discloses a friction stir welding water-cooled plate welding tool bit with a self-cleaning function, which comprises a mounting sleeve, wherein a stirring rod is arranged in the mounting sleeve, a stirring needle is arranged at the bottom end of the stirring rod, a plurality of groups of cleaning pipelines are arranged in the mounting sleeve, the cleaning pipelines are arranged in an annular array with the axis of the stirring rod, air outlets of the cleaning pipelines are arranged towards the stirring needle, and an air inlet assembly is further arranged outside the mounting sleeve.

Inventors

  • CHEN FUJIN
  • ZHANG RUIFENG
  • GAO YANGYANG
  • Dou Zhizhong

Assignees

  • 江苏晶益通精密科技有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (9)

  1. 1. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function is characterized by comprising a mounting sleeve (20), wherein a stirring rod (40) is arranged in the mounting sleeve (20), and a stirring needle (50) is arranged at the bottom end of the stirring rod (40); The inside of installation cover (20) has seted up multiunit clearance pipeline (28), multiunit clearance pipeline (28) are annular array setting with the axle center of puddler (40), the gas outlet of clearance pipeline (28) sets up towards puddler (50) direction, the outside of installation cover (20) still is provided with subassembly (10) that admits air, subassembly (10) and clearance pipeline (28) intercommunication admit air for high-pressure gas is through clearance pipeline (28) leading-in to the surface of puddler (50).
  2. 2. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 1, wherein a clamping handle (30) is arranged at the top end of the stirring rod (40); An inner hexagonal groove (22) is formed in the mounting sleeve (20), an outer hexagonal block (31) is fixedly arranged on the outer wall of the clamping handle (30), the outer hexagonal block (31) is matched with the inner hexagonal groove (22), and the outer hexagonal block (31) is arranged in the inner hexagonal groove (22) so that the stirring pin (50) is arranged at the bottom end of the mounting sleeve (20).
  3. 3. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 2, wherein a plurality of groups of first mounting holes (221) are formed in the inner hexagonal groove (22), a plurality of groups of second mounting holes (311) are formed in the outer hexagonal block (31), the positions of the plurality of groups of first mounting holes (221) and the plurality of groups of second mounting holes (311) are matched, and the first mounting holes (221) and the second mounting holes (311) are connected through bolts.
  4. 4. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 1, wherein a mounting through groove (21) is formed in the mounting sleeve (20), the stirring rod (40) is matched with the mounting through groove (21), and the stirring pin (50) is arranged at the bottom end of the mounting sleeve (20) through the mounting through groove (21).
  5. 5. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 4, wherein a first annular groove (23) and a second annular groove (27) are formed in the mounting sleeve (20), the first annular groove (23) and the second annular groove (27) are symmetrically arranged, and the first annular groove (23) and the second annular groove (27) are coaxially arranged with the mounting sleeve (20); A plurality of groups of connecting pipelines (25) are arranged between the first annular groove (23) and the second annular groove (27), a plurality of groups of connecting pipelines (25) are arranged in an annular array with the axle center of the mounting sleeve (20), and the cleaning pipeline (28) is communicated with the second annular groove (27).
  6. 6. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 5, wherein the installation through groove (21) is arranged at the centers of the first annular groove (23) and the second annular groove (27); A plurality of groups of heat dissipation grooves (26) are formed in the connecting pipeline (25), and the heat dissipation grooves (26) are arranged towards the direction of the mounting through groove (21).
  7. 7. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 5, wherein a plurality of groups of air inlets (24) are formed in the mounting sleeve (20), the plurality of groups of air inlets (24) are arranged in an annular array with the axis of the mounting sleeve (20), and the air inlets (24) are communicated with the inner cavity of the first annular groove (23).
  8. 8. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 7, wherein the air inlet assembly (10) comprises a movable sleeve (13), the movable sleeve (13) is rotationally sealed on the outer wall of a mounting sleeve (20), and an air inlet pipeline (11) is arranged on the movable sleeve (13); an air inlet cavity (12) is arranged between the movable sleeve (13) and the mounting sleeve (20), and the air inlet cavity (12) is communicated with the air inlet hole (24).
  9. 9. The friction stir welding water-cooled plate welding tool bit with the self-cleaning function according to claim 1, wherein a shaft shoulder (60) is arranged on the mounting sleeve (20); The mounting sleeve (20) is further provided with a cleaning ring groove (29), the cleaning pipeline (28) is arranged in the cleaning ring groove (29), and the cleaning ring groove (29) and the shaft shoulder (60) are coaxially arranged.

Description

Friction stir welding water-cooling plate welding tool bit with self-cleaning function Technical Field The utility model relates to a friction stir welding water-cooled plate welding tool bit with a self-cleaning function. Background The friction stir welding technology has remarkable advantages in the field of water-cooled plate welding, and particularly can realize high-strength and low-deformation connection when welding light materials such as aluminum alloy and the like. However, during welding, the stirring pin rotates at a high speed and is inserted into a workpiece to generate friction heat, so that metal scraps, oxides and environmental impurities in a welding area are easily attached to the surface of the stirring pin and the welding area continuously, the attachments are accumulated continuously along with the welding process, the impurities are involved in a welding line to form defects such as holes and inclusions, the sealing property and mechanical property of the water-cooling plate are seriously reduced, and the impurities and the surface of the stirring pin react chemically at a high temperature to accelerate tool abrasion and even softening failure. Disclosure of utility model The utility model aims to provide a friction stir welding water-cooled plate welding tool bit with a self-cleaning function, which solves the problems in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The friction stir welding water-cooled plate welding tool bit with the self-cleaning function comprises a mounting sleeve, wherein a stirring rod is arranged in the mounting sleeve, and a stirring needle is arranged at the bottom end of the stirring rod; The inside of installation cover has been seted up multiunit clearance pipeline, multiunit clearance pipeline is annular array setting with the axle center of puddler, clearance pipeline's gas outlet sets up towards the puddler direction, the outside of installation cover still is provided with the subassembly that admits air, the subassembly that admits air communicates with clearance pipeline for high-pressure gas is leading-in to the surface of puddler through the clearance pipeline. As an improvement of the technical scheme, the top end of the stirring rod is provided with a clamping handle; The installation sleeve is provided with an inner hexagonal groove, the outer wall of the clamping handle is fixedly provided with an outer hexagonal block, the outer hexagonal block is matched with the inner hexagonal groove, and the outer hexagonal block is arranged in the inner hexagonal groove, so that the stirring needle is arranged at the bottom end of the installation sleeve. As an improvement of the technical scheme, a plurality of groups of first mounting holes are formed in the inner hexagonal groove, a plurality of groups of second mounting holes are formed in the outer hexagonal block, the positions of the plurality of groups of first mounting holes are matched with the positions of the plurality of groups of second mounting holes, and the first mounting holes and the second mounting holes are connected through bolts. As the improvement of the technical scheme, the installation through groove is formed in the installation sleeve, the stirring rod is matched with the installation through groove, and the stirring needle is arranged at the bottom end of the installation sleeve through the installation through groove. As an improvement of the technical scheme, a first annular groove and a second annular groove are formed in the mounting sleeve, the first annular groove and the second annular groove are symmetrically arranged, and the first annular groove and the second annular groove are coaxially arranged with the mounting sleeve; And a plurality of groups of connecting pipelines are arranged between the first annular groove and the second annular groove, the connecting pipelines are arranged in an annular array with the axle center of the mounting sleeve, and the cleaning pipeline is communicated with the second annular groove. As an improvement of the technical scheme, the installation through groove is arranged at the centers of the first annular groove and the second annular groove; and a plurality of groups of heat dissipation grooves are formed in the connecting pipeline, and the heat dissipation grooves are arranged towards the direction of the mounting through groove. As an improvement of the technical scheme, a plurality of groups of air inlets are formed in the mounting sleeve, the air inlets are arranged in an annular array with the axis of the mounting sleeve, and the air inlets are communicated with the inner cavity of the first annular groove. As an improvement of the technical scheme, the air inlet assembly comprises a movable sleeve, the movable sleeve is rotationally sealed on the outer wall of the mounting sleeve, and an air inlet pipeline is arranged on the movable sleeve; a