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CN-224222861-U - Reamer capable of being finely adjusted

CN224222861UCN 224222861 UCN224222861 UCN 224222861UCN-224222861-U

Abstract

The utility model relates to the technical field of high-precision reamers, and discloses a reamer capable of being finely tuned, which comprises a reamer handle, the reamer handle top fixedly connected with adjusts the fixed block, T spout has been seted up at adjusting the fixed block top. According to the reamer, the limit ring rotates along the limit groove through the operation groove, the limit ring drives the hexagonal adjusting block, the hexagonal adjusting block rotates the threaded rod through the hexagonal avoidance groove, the threaded rod rotates and descends along the adjusting fixed block towards the inside of the reamer handle, meanwhile, the inner wall of the threaded rod slides downwards along the outer wall of the adjusting block through the hexagonal avoidance groove, and meanwhile, the threaded rod pulls down the adjusting block, so that the adjusting block extrudes the reamer outwards through the inclined surface, the reamer drives the T-shaped sliding block to expand outwards along the T-shaped sliding groove, the worn size of the reamer is compensated, the flexibility of the reamer is increased, the rejection probability of the reamer is reduced, and higher machining precision and flexibility are ensured.

Inventors

  • WU LIJIA
  • YANG QING

Assignees

  • 金合钻石刀具（深圳）有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (7)

  1. 1. The utility model provides a reamer that can finely tune, its characterized in that, including reamer handle of a reamer (1), reamer handle of a reamer (1) top fixedly connected with adjusts fixed block (2), T type spout (3) have been seted up at regulation fixed block (2) top, T type spout (3) inner wall sliding connection has T type slider (4), T type slider (4) top fixedly connected with reamer (5), reamer (5) surface sliding connection has regulating block (6), regulating block (6) bottom rotation is connected with threaded rod (7), threaded rod (7) outer wall threaded connection is at regulating block (2) inner wall, threaded rod (7) run through regulating block (2) inner wall and extend, hexagonal dodge groove (8) inner wall sliding connection has hexagonal regulating block (9) have been seted up to threaded rod (7) bottom, spacing groove (10) inner wall rotation is connected with spacing collar (11) have been seted up to reamer handle of a knife (1) inner wall, spacing collar (11) top fixedly connected with is in regulating block (9) bottom, hexagonal operating groove (12) bottom has been seted up.
  2. 2. The reamer capable of being finely tuned according to claim 1, wherein a plurality of T-shaped sliding grooves (3) are formed, the T-shaped sliding grooves (3) are uniformly formed in the center of the reamer handle (1), and the bottom of the limit ring (11) penetrates through the inner wall of the reamer handle (1) and extends.
  3. 3. The reamer capable of being finely tuned according to claim 1, wherein a plurality of T-shaped sliding blocks (4) are arranged, the T-shaped sliding blocks (4) are uniformly arranged in the center of the reamer handle (1), the reamer (5) is provided with a plurality of reamers (5), and the reamers (5) are uniformly arranged in the center of the reamer handle (1).
  4. 4. The reamer capable of being finely tuned according to claim 1, wherein the inner wall of the T-shaped sliding block (4) is slidably connected with a spring limiting rod (13), the spring limiting rod (13) penetrates through the inner wall of the T-shaped sliding block (4) and extends, the spring limiting rod (13) is fixedly connected to the inner wall of the adjusting fixed block (2), the right side of the T-shaped sliding block (4) is fixedly connected with a limiting spring (14), and one end, far away from the T-shaped sliding block (4), of the limiting spring (14) is fixedly connected to the inner wall of the adjusting fixed block (2).
  5. 5. The reamer capable of being finely tuned according to claim 4, wherein the plurality of spring limit rods (13) are arranged, the plurality of spring limit rods (13) are uniformly arranged with the adjusting block (6) as a center, the plurality of limit springs (14) are arranged, and the plurality of limit springs (14) are uniformly arranged with the adjusting block (6) as a center.
  6. 6. The reamer capable of being finely tuned according to claim 4, wherein a limit hole (15) is formed in the bottom of the reamer handle (1), a limit rod (16) is slidably connected to the inner wall of the limit hole (15), a hexagonal limit block (17) is slidably connected to the inner wall of the operation groove (12), and a connecting block (18) is fixedly connected to one end, away from the reamer handle (1), of the hexagonal limit block (17).
  7. 7. The reamer capable of being finely tuned according to claim 6, wherein one end of the limiting rod (16) far away from the reamer handle (1) is fixedly connected to the surface of the connecting block (18), the connecting block (18) is arranged at the bottom of the reamer handle (1) in a contact mode, the outer wall of the reamer handle (1) is slidably connected with the limiting shell (19), and the bottom of the inner wall of the limiting shell (19) is arranged at the bottom of the connecting block (18) in a contact mode.

Description

Reamer capable of being finely adjusted Technical Field The utility model relates to the technical field of high-precision reamers, in particular to a reamer capable of being finely adjusted Background A fine-tunable reamer (Adjustable Reamer) is a tool for precision machining and bore trimming. Compared with the traditional reamer, the reamer capable of being finely adjusted has more flexible adjusting capability, and the size of the aperture can be accurately adjusted according to requirements in different machining processes so as to ensure higher machining precision and flexibility. In the prior art, a hard alloy machine reamer is often used for reaming in the machining process, and when the diameter of the reamer is worn, the reamed hole cannot meet the requirements specified in the drawing, so that the reamer is scrapped. However, the reamer is worn to a certain extent, and the blade of the reamer still has higher use value, so that if the reamer is scrapped, larger waste is caused, and the processing cost is increased for a workpiece. Disclosure of utility model In order to solve the technical problems, the utility model provides a reamer capable of being finely tuned. The reamer comprises a reamer handle, wherein an adjusting fixing block is fixedly connected to the top of the reamer handle, a T-shaped sliding groove is formed in the top of the adjusting fixing block, a T-shaped sliding block is slidably connected to the inner wall of the T-shaped sliding groove, a reamer is fixedly connected to the top of the T-shaped sliding block, an adjusting block is slidably connected to the surface of the reamer, a threaded rod is rotatably connected to the bottom of the adjusting block, the outer wall of the threaded rod is in threaded connection with the inner wall of the adjusting fixing block, the threaded rod penetrates through the inner wall of the adjusting fixing block and extends, a hexagonal avoiding groove is formed in the bottom of the threaded rod, a hexagonal adjusting block is slidably connected to the inner wall of the hexagonal avoiding groove, a limiting groove is formed in the inner wall of the reamer handle, a limiting ring is rotatably connected to the inner wall of the limiting groove, the top of the limiting ring is fixedly connected to the bottom of the hexagonal adjusting block, and an operating groove is formed in the bottom of the limiting ring. As a further improvement of the scheme, a plurality of T-shaped sliding grooves are formed, the T-shaped sliding grooves are uniformly formed in the center of the reamer handle, and the bottom of the limiting ring penetrates through the inner wall of the reamer handle and extends. As a further improvement of the scheme, the T-shaped sliding blocks are provided with a plurality of the T-shaped sliding blocks, the T-shaped sliding blocks are uniformly arranged in the center of the reamer handle, the reamer is provided with a plurality of the T-shaped sliding blocks, and the reamer is uniformly arranged in the center of the reamer handle. Through the technical scheme, the limit ring is rotated through the operation groove, so that the limit ring rotates along the limit groove, the limit ring drives the hexagonal adjusting block, the hexagonal adjusting block drives the threaded rod through the hexagonal avoidance groove, the threaded rod rotates and descends along the adjustment fixing block to the inside of the reamer handle, and the inner wall of the threaded rod slides downwards along the outer wall of the adjusting block through the hexagonal avoidance groove. As the further improvement of above-mentioned scheme, T type slider inner wall sliding connection has the spring gag lever post, the spring gag lever post runs through T type slider inner wall and extends, spring gag lever post fixed connection is at adjusting the fixed block inner wall, T type slider right side fixedly connected with stop spring, the one end fixed connection that T type slider was kept away from to stop spring is at adjusting the fixed block inner wall. As a further improvement of the scheme, the spring limiting rods are arranged in a plurality, the spring limiting rods are uniformly arranged with the adjusting block as the center, the limiting springs are arranged in a plurality, and the limiting springs are uniformly arranged with the adjusting block as the center. As a further improvement of the scheme, a limiting hole is formed in the bottom of the reamer handle, a limiting rod is slidably connected to the inner wall of the limiting hole, a hexagonal limiting block is slidably connected to the inner wall of the operating groove, and a connecting block is fixedly connected to one end, away from the reamer handle, of the hexagonal limiting block. As the further improvement of above-mentioned scheme, the one end fixed connection that reamer handle was kept away from to the gag lever post is at the connecting block surface, the connecting block contact sets up in rea