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CN-224223141-U - Welding, positioning and clamping device for thin-wall circular pipe workpieces of semiconductor air pipes

CN224223141UCN 224223141 UCN224223141 UCN 224223141UCN-224223141-U

Abstract

The utility model discloses a welding positioning clamping device for thin-walled circular pipe workpieces of a semiconductor air pipe, and belongs to the technical field of welding tools. The support base is provided with an inner supporting cylinder for sleeving a workpiece, two support positioning pieces are symmetrically arranged on the support base along the central axis of the inner supporting cylinder, each support positioning piece comprises a support column connected to the support base, the bottom of each support column is rotatably connected with a pressing plate, the top of each support column is penetrated and is in threaded connection with an adjusting screw rod capable of propping against the pressing plate until one end edge of each support column is overturned to be in contact with the surface of the inner supporting cylinder, a plurality of positioning pins are movably spliced on the inner supporting cylinder along the axial direction of the inner supporting cylinder, and the central axes of the positioning pins penetrating through the inner supporting cylinder are overlapped with the symmetrical planes of the two support positioning pieces. The utility model discloses a welding, positioning and clamping device for thin-walled circular workpieces of a semiconductor air duct, which aims to solve the problems of complex workpiece welding operation, difficult positioning and easy deformation of products in the prior art.

Inventors

  • ZHAO ZHIHUI

Assignees

  • 苏州市艾西依钣金制造有限公司

Dates

Publication Date
20260512
Application Date
20250514

Claims (8)

  1. 1. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipes is characterized by comprising a supporting base (1), wherein an inner supporting cylinder (2) for sleeving the workpieces (3) is arranged on the supporting base (1), and two supporting and positioning pieces are symmetrically arranged on the supporting base (1) along the central axis of the inner supporting cylinder (2); the supporting and positioning piece comprises a supporting column (4) connected to the supporting base (1), a pressing plate (5) is rotatably connected to the bottom of the supporting column (4), and an adjusting screw (6) capable of propping against the pressing plate (5) until one end edge of the adjusting screw is overturned to be in contact with the surface of the inner supporting cylinder (2) is arranged at the top of the supporting column (4) in a penetrating and threaded manner; The inner support cylinder (2) is movably inserted with a plurality of positioning pins (7) along the axial direction of the inner support cylinder (2), and the central axes of the positioning pins (7) penetrating through the inner support cylinder (2) are overlapped with the symmetrical planes of the two support positioning pieces.
  2. 2. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipes according to claim 1 is characterized in that copper lining strips (8) are embedded in the periphery of the inner supporting cylinder (2) along the central axis of the inner supporting cylinder, the positioning pins (7) are movably arranged on the copper lining strips (8) in a penetrating mode, and the surfaces of the positioning pins (7) penetrating through the copper lining strips (8) are arc-shaped.
  3. 3. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipes, which is characterized in that one side edge of the pressing plate (5) can be turned over to be abutted against the surface of the copper lining strip (8).
  4. 4. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air duct according to claim 1 is characterized in that when the corresponding pressing plates (5) in the two supporting and positioning pieces are turned over to the side edges of the two pressing plates to be abutted against the workpieces (3) sleeved on the inner supporting cylinder (2), gaps for welding are reserved between the corresponding pressing plates (5) in the two supporting and positioning pieces.
  5. 5. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipes, which is characterized in that an arc chamfer (501) is arranged on the edge of one side of the pressing plate (5) which can be turned over to be abutted against the surface of the inner supporting cylinder (2).
  6. 6. The welding, positioning and clamping device for the thin-walled circular workpieces of the semiconductor air pipes of claim 1 is characterized in that the supporting column (4) comprises a column body (401) connected to the supporting base (1) and a plurality of connecting blocks (402) connected to the column body (401) through bolts in a disassembling mode, and each connecting block (402) is connected with the pressing plate (5) in a rotating mode.
  7. 7. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipe according to claim 1, wherein an inclined chamfer part (502) is arranged on one side, which is adjacent to the edge of one side which can be turned over to be abutted against the surface of the inner support cylinder (2) and is away from the surface of the inner support cylinder (2), of the pressing plate (5).
  8. 8. The welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipes, as set forth in claim 1, is characterized in that one end of the adjusting screw (6) capable of being abutted against the pressing plate (5) is spherical, and one end of the adjusting screw (6) which is spherical can be movably embedded and connected with the pressing plate (5) in a sliding mode.

Description

Welding, positioning and clamping device for thin-wall circular pipe workpieces of semiconductor air pipes Technical Field The utility model belongs to the technical field of welding tools, and particularly relates to a welding, positioning and clamping device for a thin-walled circular tube workpiece of a semiconductor air pipe. Background In the production process of workpieces, the plates are usually required to be bent, then the bent plates are welded after being spliced manually, and the welding mode has certain defects, namely, the manual splice spot welding operation is complex, the efficiency is low, the uniformity and the attractiveness of welding seams are difficult to ensure in the welding process, and meanwhile, due to the lack of effective stress control means, the deformation of products is extremely easy to cause, and the quality and the dimensional accuracy of the products are seriously influenced. Even if the mode of robot welding is adopted after the local spot welding of the manual joint is adopted, certain defects still exist, namely in the workpiece joint positioning link, the manual operation is difficult to realize the high-precision positioning and control of the welding line, the product is easy to displace in the welding process, the deformation of the product cannot be controlled, and the quality of the welding line is difficult to guarantee. Therefore, a welding, positioning and clamping device for the thin-walled circular tube workpieces of the semiconductor air duct, which can improve the welding precision and quality of the workpieces, is needed. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides a welding, positioning and clamping device for thin-wall circular pipe workpieces of a semiconductor air pipe, so as to solve the problems of complex workpiece welding operation, difficult positioning and easy deformation of products in the prior art. In order to achieve the aim, the technical scheme adopted by the utility model is that the welding, positioning and clamping device for the thin-walled circular pipe workpieces of the semiconductor air pipe comprises a support base, wherein an inner support cylinder for sleeving the workpieces is arranged on the support base, and two support positioning pieces are symmetrically arranged on the support base along the central axis of the inner support cylinder; The supporting and positioning piece comprises a supporting column connected to the supporting base, the bottom of the supporting column is rotationally connected with a pressing plate, and the top of the supporting column is penetrated and threaded with an adjusting screw rod which can prop against the pressing plate until one end edge of the adjusting screw rod is overturned to be in contact with the surface of the inner supporting cylinder; The inner support cylinder is movably inserted with a plurality of positioning pins along the axial direction of the inner support cylinder, and the central shafts of the positioning pins penetrating through the inner support cylinder are overlapped with the symmetrical planes of the two support positioning pieces. Optionally, the periphery of the inner support cylinder is embedded with a copper lining strip along the central axis thereof, the locating pin movably penetrates through the copper lining strip, and the surface of the copper lining strip, through which the locating pin penetrates, is arc-shaped. Optionally, one side edge of the pressing plate can be turned over to abut against the surface of the copper lining strip. Optionally, when the corresponding pressing plates in the two supporting and positioning members are turned over to the side edges of the pressing plates to abut against the workpiece sleeved on the inner supporting cylinder, a gap for welding is reserved between the corresponding pressing plates in the two supporting and positioning members. Optionally, the last side border that can overturn to contradict with interior support section of thick bamboo surface of clamp plate is provided with the arc chamfer. Optionally, the support column including connect in cylinder and a plurality of respectively through the bolt dismantle connect in on the cylinder the connecting block, every all rotate on the connecting block and be connected with the clamp plate. Optionally, the last and can overturn to with the one side border that the inner support section of thick bamboo surface contradicted is adjacent and deviate from the one side of inner support section of thick bamboo surface is provided with the slope chamfer portion. Optionally, one end of the adjusting screw, which can be abutted against the pressing plate, is spherical, and one end of the adjusting screw, which is spherical, can be movably embedded and connected with the pressing plate in a sliding manner. Compared with the prior art, the welding device has the beneficial effects that by means of the mutual matching