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CN-224209528-U - Positioning device for hollow shaft machining

CN224209528UCN 224209528 UCN224209528 UCN 224209528UCN-224209528-U

Abstract

The utility model discloses a positioning device for machining a hollow shaft, which relates to the technical field of hollow shaft machining equipment and comprises a machining table, wherein an installation pipe is arranged on the upper surface of the machining table, an inner propping part is arranged on the lower surface of the machining table, a plurality of outer clamping blocks are uniformly arranged on the outer side of the installation pipe in a rotating mode around an axis, a motor installation seat is arranged at the bottom of the inner propping part, a plurality of sliding block parts are respectively arranged at the bottoms of the outer clamping blocks, a motor clamping part is arranged on the upper surface of the motor installation seat, and a plurality of motor connecting rods are uniformly arranged on the top of the motor clamping part in a rotating mode around the axis. Through the structure, the hollow shaft can be better clamped through the mutual matching of the inner jacking blocks and the outer clamping blocks, and the clamping force on the hollow shaft can be mutually offset, so that the deformation of the hollow shaft is avoided, and the subsequent processing precision and quality are influenced.

Inventors

  • LIN XIANJUN
  • SUN QIN
  • YANG GONGYUAN

Assignees

  • 盐城立维精工科技有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (5)

  1. 1. The positioning device for machining the hollow shaft is characterized by comprising a machining table (1), wherein an installation pipe (2) is arranged on the upper surface of the machining table (1), an inner propping part (3) is arranged on the lower surface of the machining table (1), a plurality of outer clamping blocks (4) are uniformly arranged on the outer side of the installation pipe (2) in a rotating mode around an axis, a motor installation seat (5) is arranged at the bottom of the inner propping part (3), a plurality of sliding block parts (6) are respectively arranged at the bottoms of the outer clamping blocks (4), a motor clamping part (7) is arranged on the upper surface of the motor installation seat (5), and a plurality of motor connecting rods (8) are uniformly arranged on the top of the motor clamping part (7) in a rotating mode around the axis; The inner jacking component (3) comprises an air cylinder (301), the output end of the air cylinder (301) penetrates through a processing table (1) and is fixedly connected with a connecting block (302), a plurality of air cylinder connecting rods (303) are connected to the outer side of the connecting block (302) in a rotating mode around an axis uniformly, the other ends of the air cylinder connecting rods (303) are respectively connected with a plurality of sliding rods (304) in a rotating mode, and the other ends of the sliding rods (304) penetrate through a mounting tube (2) and are fixedly connected with an inner jacking block (305).
  2. 2. The positioning device for machining the hollow shaft according to claim 1, wherein the machining table (1) comprises a mounting plate (101), a plurality of sliding grooves (102) are uniformly and rotatably arranged on the mounting plate (101) around an axis, and a plurality of supporting rods (103) are fixedly connected to two sides of two ends of the lower surface of the mounting plate (101) respectively.
  3. 3. The positioning device for machining the hollow shaft according to claim 2, wherein the mounting pipe (2) is fixedly connected with the upper surface of the mounting plate (101), the outer sides of the motor mounting seats (5) are respectively fixedly connected with the plurality of support rods (103), the sliding block component (6) comprises a sliding block (601), the bottom of the sliding block (601) penetrates through the mounting plate (101) and is fixedly connected with a sliding block connecting rod (602), and the sliding block (601) is in sliding connection with the mounting plate (101) through a sliding groove (102).
  4. 4. A positioning device for machining a hollow shaft according to claim 3, wherein the bottoms of the outer clamping blocks (4) are fixedly connected with the top of the sliding block (601), the air cylinder (301) is fixedly connected with the lower surface of the mounting plate (101), the sliding rods (304) are slidably connected with the mounting tube (2), the motor clamping part (7) comprises a motor (701), the output end of the motor (701) is fixedly connected with a rotating block (702), and the bottom of the motor (701) is fixedly connected with the motor mounting seat (5).
  5. 5. A positioning device for machining a hollow shaft according to claim 4, wherein one end of a plurality of motor connecting rods (8) is rotatably connected with the rotating block (702), and the other end of each motor connecting rod (8) is rotatably connected with the slider connecting rod (602).

Description

Positioning device for hollow shaft machining Technical Field The utility model relates to the technical field of hollow shaft processing equipment, in particular to a positioning device for hollow shaft processing. Background The hollow shaft is a special mechanical transmission part, and is characterized in that the center is in a hollow structure, which is in sharp contrast with the solid shaft. Thanks to the unique design, the hollow shaft can provide accommodation space for other components or fluid to pass through while transmitting torque and realizing rotary motion, so that the overall performance and layout of the device are optimized in all directions. By virtue of the distinctive structural characteristics, the hollow shaft is widely applied to various fields such as wind power generation, ship manufacturing, industrial machinery and the like. The core of the existing hollow shaft is characterized in that the central part of the hollow shaft is of a hollow structure compared with a solid shaft. This feature brings advantages, but inevitably has a certain effect on its structural strength and rigidity. In the process of processing and clamping, when the clamp is acted outwards or inwards, deformation to a certain extent can occur, and further the processing precision and quality are affected. Therefore, we propose a positioning device for machining a hollow shaft to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a positioning device for processing a hollow shaft, which aims to solve the problem that the conventional hollow shaft proposed in the background art is compared with a solid shaft, and the hollow shaft is characterized in that the central part of the hollow shaft is of a hollow structure. This feature brings advantages, but inevitably has a certain effect on its structural strength and rigidity. In the process of processing and clamping, when the clamping device is subjected to outward or inward acting force, deformation to a certain extent can occur, so that the processing precision and quality are affected. In order to achieve the above purpose, the present utility model provides the following technical solutions: The positioning device for machining the hollow shaft comprises a machining table, wherein an installation pipe is arranged on the upper surface of the machining table, an inner propping part is arranged on the lower surface of the machining table, a plurality of outer clamping blocks are uniformly and rotatably arranged on the outer side of the installation pipe around an axis, a motor mounting seat is arranged at the bottom of the inner propping part, a plurality of sliding block parts are respectively arranged at the bottoms of the outer clamping blocks, a motor clamping part is arranged on the upper surface of the motor mounting seat, and a plurality of motor connecting rods are uniformly and rotatably arranged on the top of the motor clamping part around the axis; The inner jacking component comprises an air cylinder, the output end of the air cylinder penetrates through a processing table to be fixedly connected with a connecting block, a plurality of air cylinder connecting rods are connected to the outer side of the connecting block in a rotating mode around an axis uniformly, a plurality of sliding rods are connected to the other ends of the air cylinder connecting rods in a rotating mode respectively, and the other ends of the sliding rods penetrate through mounting tubes to be fixedly connected with inner jacking blocks. Further, the processing platform is including the mounting panel, evenly rotatory being provided with a plurality of spouts around the axis on the mounting panel, the both sides at mounting panel lower surface both ends are fixedly connected with a plurality of bracing pieces respectively. Further, the mounting pipe is fixedly connected with the upper surface of the mounting plate, the outer side of the motor mounting seat is fixedly connected with a plurality of support rods respectively, the sliding block part comprises a sliding block, the bottom of the sliding block penetrates through the mounting plate to be fixedly connected with a sliding block connecting rod, and the sliding block is in sliding connection with the mounting plate through a sliding groove. Further, a plurality of outer clamp splice bottom and slider top fixed connection, cylinder and mounting panel lower surface fixed connection, a plurality of slide bar and installation pipe sliding connection, motor clamping part is including the motor, motor output fixedly connected with rotary block, motor bottom and motor mount pad fixed connection. Further, a plurality of motor connecting rod one end is rotated with rotatory piece and is connected, and the motor connecting rod other end rotates with the slider connecting rod and is connected. Compared with the prior art, the utility model has the beneficial effects that: According to the