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CN-224209158-U - Inner cooling reamer with guiding gauge protection function

CN224209158UCN 224209158 UCN224209158 UCN 224209158UCN-224209158-U

Abstract

The utility model belongs to the technical field of reamers, and particularly relates to an internal cooling reamer with a guiding and gauge-keeping function, aiming at the problems that in the existing use process, the stability of a drill bit is poor, deviation is easy to occur during drilling and reaming, and the reaming efficiency is low. According to the utility model, the limiting groove is formed in the fixed handle, so that the limiting effect can be achieved under the cooperation of the limiting block, and the fixed bearing arranged on the fixed shell can ensure that the connecting rod is not driven to rotate when the fixed handle rotates, so that the guiding effect on feeding is achieved conveniently.

Inventors

  • ZHANG SONG
  • GAO JIANCHUN

Assignees

  • 常州柏尔刀具科技有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (7)

  1. 1. An inner cooling reamer with a guiding and gauge-keeping function comprises a fixed handle (1), and is characterized in that a guiding mechanism for guiding the reamer is arranged on the outer surface of the fixed handle (1), a quick-dismantling mechanism for dismantling the reamer is arranged at one end of the fixed handle (1), and a heat dissipation mechanism for dissipating heat of the reamer is arranged at the other end of the fixed handle (1); The guide mechanism comprises a fixed bearing (2), the fixed bearing (2) is sleeved on the outer surface of the fixed handle (1), a fixed shell (21) is fixed on the outer wall of the fixed bearing (2), two connecting rods (22) are symmetrically fixed on the outer wall of the fixed shell (21), fixing plates (23) are fixed at the tail ends of the two connecting rods (22), and four fixing bolts (24) are installed in the fixing plates (23).
  2. 2. The inner cooling reamer with the guiding gauge protection function according to claim 1, wherein the outer wall of the fixed handle (1) is provided with a limiting groove (3), and a limiting block (4) fixedly connected with the inner wall of the fixed bearing (2) is slidingly connected inside the limiting groove (3).
  3. 3. The inner cooling reamer with the guiding gauge protection function according to claim 1, wherein the quick-dismantling mechanism comprises a connecting groove (5), and the connecting groove (5) is formed at the other end of the fixed handle (1).
  4. 4. An inner cooled reamer with guiding and gauge protection as claimed in claim 3, characterized in that the inside of the connecting groove (5) is connected with a connecting piece (51) in a plug-in manner, and one end of the connecting piece (51) is fixed with a reamer body (52).
  5. 5. The inner cooling reamer with guiding and gauge protecting functions as set forth in claim 4, wherein the upper surface of the connecting piece (51) is provided with a limiting hole (53), and a limiting screw (54) in threaded connection with the fixing handle (1) is inserted into the limiting hole (53).
  6. 6. The cold reamer with guiding and gauge protection as set forth in claim 5, wherein the reamer body (52) has a water spraying hole (6) at one end thereof, which communicates with the connecting groove (5).
  7. 7. The inner cooling reamer with the guiding and gauge protecting function according to claim 1, wherein the heat dissipation mechanism comprises a connecting pipe (7), the connecting pipe (7) is arranged at the front end of the fixed handle (1), a limiting plate (71) is fixed at the tail end of the connecting pipe (7) penetrating through the inner wall of the fixed handle (1), and a limiting piece (72) fixedly connected with the fixed handle (1) is rotatably connected to the outer surface of the limiting plate (71).

Description

Inner cooling reamer with guiding gauge protection function Technical Field The utility model relates to an internal cooling reamer, in particular to an internal cooling reamer with a guiding gauge protection function, and belongs to the technical field of reamers. Background An internally cooled reamer, as the name suggests, is one that achieves cooling by an internal cooling channel. The method is mainly used for semi-finishing or finishing of the hole, especially in the occasion of expanding the existing hole and improving the cylindricity and roughness. The internally cooled reamer has wide application in the fields of aerospace, electronic industry and the like, and the fields have high requirements on the precision and the smoothness of the hole. In prior art, as the cold reaming bit in three sword of publication No. CN219188753U discloses, it includes the fixed plate, the bottom of fixed plate is provided with fixed establishment, fixed establishment includes main part, accept board, dead lever, base and fixing bolt, the surface of main part and the inside fixed connection of fixed plate. The bearing plate is fixedly mounted through the outer surface of the main body, and the bearing effect of the bearing plate is achieved, so that the bottom of the base can be fixedly mounted on the upper surface of the bearing plate, and the fixing bolt is connected through the internal threads of the base, so that one end of the fixing bolt is abutted to the outer surface of the main body, the bearing plate is more stable to mount, the problem of how to mount the drill bit stably is effectively solved, and the effect of mounting the drill bit effectively can be achieved. According to the technical scheme, the bearing plate fixedly installed through the outer surface of the main body and the bearing function of the bearing plate enable installation to be more stable, the problem of how to stably install the drill bit is effectively solved, but in the using process, the stability of the drill bit is poor, when the drill bit drills into a hole to be reamed, the deviation is easy to happen, the hole-enlarging efficiency is low, and in view of the fact, the inner cooling hole-enlarging drill with the guiding and gauge-keeping functions is provided to overcome the defects. Disclosure of utility model The utility model provides an internal cooling reamer with a guiding gauge protection function, which aims to solve the problems that during the use process, the stability of a drill bit is poor, deviation is easy to occur during drilling and reaming, and the reaming efficiency is low. The inner cooling reamer with the guiding and gauge-keeping functions comprises a fixed handle, wherein the outer surface of the fixed handle is provided with a guiding mechanism for guiding the reamer, one end of the fixed handle is provided with a quick-dismantling mechanism for dismantling the reamer, and the other end of the fixed handle is provided with a heat dissipation mechanism for dissipating heat of the reamer; The guide mechanism comprises a fixed bearing, the fixed bearing is sleeved on the outer surface of the fixed handle, a fixed shell is fixed on the outer wall of the fixed bearing, two connecting rods are symmetrically fixed on the outer wall of the fixed shell, fixing plates are fixed at the tail ends of the two connecting rods, and four fixing bolts are installed in the fixing plates. As a still further scheme of the utility model, the outer wall of the fixed handle is provided with a limit groove, and a limit block fixedly connected with the inner wall of the fixed bearing is connected in a sliding manner in the limit groove. As a still further proposal of the utility model, the quick-dismantling mechanism comprises a connecting groove which is arranged at the other end of the fixed handle. As a still further proposal of the utility model, a connecting piece is inserted and connected in the connecting groove, and a reamer body is fixed at one end of the connecting piece. As a still further proposal of the utility model, the upper surface of the connecting piece is provided with a limit hole, and the inside of the limit hole is connected with a limit screw in inserted connection with the thread of the fixed handle. As a still further proposal of the utility model, one end of the reamer body is provided with a water spraying hole communicated with the connecting groove. As a still further scheme of the utility model, the heat dissipation mechanism comprises a connecting pipe, wherein the connecting pipe is arranged at the front end of the fixed handle, the tail end of the connecting pipe penetrates through the inner wall of the fixed handle to be fixed with a limiting plate, and the outer surface of the limiting plate is rotationally connected with a limiting piece fixedly connected with the fixed handle. The fixed handle has the beneficial effects that the limiting groove is formed in the fixed handle, the limiting effect