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CN-224209163-U - Deep hole directional drilling tool with guide wings

CN224209163UCN 224209163 UCN224209163 UCN 224209163UCN-224209163-U

Abstract

The utility model belongs to the technical field of machining tool, especially, relate to a take directional drilling tool of deep hole of guide vane, do not possess guide structure to above-mentioned deep hole bores, when facing lathe high-speed rotation and complicated cutting force, can't effectively maintain the stability of drilling tool, lead to the drilling to appear the skew easily, seriously influence the machining precision of work piece, increase the problem of rejection rate, the present proposal is following, a take directional drilling tool of deep hole of guide vane, including the drill shank; the beneficial effects of the utility model are that: through setting up the guide assembly for the guide wing can be at drilling in-process and pore wall contact, and the pilot bit is along predetermined direction forward, effectively reduces drilling deviation, ensures the straightness accuracy of drilling, makes the hole of boring accord with the design requirement, reduces the rejection rate, when the guide wing wearing and tearing are serious, only need change the guide wing of corresponding position, need not to change whole guide assembly or relevant installation component, has reduced maintenance material cost and work load.

Inventors

  • Tang Chengchong
  • Qin Weishun
  • XU HAO

Assignees

  • 常州其潜工具有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (7)

  1. 1. The deep hole directional drilling tool with the guide wings is characterized by comprising a drill handle (1); The utility model discloses a drill stem, including drill stem (1), drill stem (5) are installed in top fixedly connected with, the bottom fixedly connected with drill bit (3) of drill stem (1), the surface of drill bit (5) is provided with direction subassembly, direction subassembly includes mount pad (6), telescopic link and guiding fin (13), mount pad (6) are circular array fixed connection at the shaft surface of drill bit (5), every the side surface mounting of mount pad (6) has the telescopic link, the one end fixedly connected with guiding fin (13) of telescopic link.
  2. 2. The deep hole directional drilling tool with guide wings according to claim 1, wherein the surface of the drill bit (3) is provided with spiral chip grooves (4).
  3. 3. The deep hole directional drilling tool with the guide wings according to claim 1, wherein a first threaded hole (7) is formed in the upper surface of the mounting seat (6), a positioning groove (9) is formed in the side surface of the mounting seat (6), the first threaded hole (7) is communicated with the positioning groove (9), a positioning block (10) is fixedly connected to one end of the telescopic rod, a second threaded hole (14) is formed in the surface of the positioning block (10), a long rod bolt (8) is connected to the surface of the positioning block (10) through the second threaded hole (14) in a threaded mode, and the positioning block (10) is fixedly connected with the mounting seat (6) through the cooperation of the first threaded hole (7), the second threaded hole (14) and the long rod bolt (8).
  4. 4. The deep hole directional drilling tool with guide wings according to claim 3, wherein the telescopic rod comprises a hollow outer rod (11), an inner rod (12) and a spring (17), one end of the hollow outer rod (11) is fixedly connected with the locating block (10) coaxially, the inner rod (12) is slidably connected inside the hollow outer rod (11), and the spring (17) is fixedly connected between the inner rod (12) and the hollow outer rod (11).
  5. 5. The deep hole directional drilling tool with guide wings according to claim 4, wherein limiting sliding blocks (16) are symmetrically and fixedly connected to the surface of the inner rod (12), limiting sliding grooves (15) matched with the limiting sliding blocks (16) are symmetrically formed in the inner wall of the hollow outer rod (11), and the limiting sliding blocks (16) are slidably arranged in the limiting sliding grooves (15).
  6. 6. The deep hole directional drilling tool with guide wings according to claim 4, wherein the guide wings (13) have a streamline curved surface structure.
  7. 7. The deep hole directional drilling tool with guide wings according to claim 6, characterized in that the surface of the guide wings (13) is provided with a wear-resistant coating made of ceramic composite material.

Description

Deep hole directional drilling tool with guide wings Technical Field The utility model relates to a directional drilling tool, in particular to a deep hole directional drilling tool with guide wings, and belongs to the technical field of machining tools. Background When a machine tool is used for deep hole processing of a workpiece, ensuring the accuracy and straightness of drilling is a key for processing quality; in the prior art, as disclosed in the publication No. CN222492309U, the deep hole drill is driven by the rotating nut to rotate in the rotating groove on the fixed clamping plate through the fixing mechanism under the action of the threaded rod, so that the joint can be limited and fixed, and the deep hole drill is well cooled under the action of the liquid outlet groove through the cooling mechanism, but the deep hole drill does not have a guide structure, and cannot effectively maintain the stability of the drilling tool when facing the high-speed rotation and the complex cutting force of the machine tool, so that the drilling is easy to deviate, the machining precision of a workpiece is seriously influenced, and the rejection rate is increased. Disclosure of utility model The utility model aims to solve the problems that the deep hole drill does not have a guide structure, and when facing to high-speed rotation and complex cutting force of a machine tool, the stability of the drill cannot be effectively maintained, so that the drill is easy to deviate, the machining precision of a workpiece is seriously affected, and the rejection rate is increased. The utility model realizes the aim through the following technical scheme that the deep hole directional drilling tool with the guide wings comprises a drill handle; The top fixedly connected with installation head of drill shank, the bottom fixedly connected with drilling rod of drill shank, the bottom fixedly connected with drill bit of drilling rod, the surface of drilling rod is provided with guiding component, and guiding component includes mount pad, telescopic link and guiding wing, and the mount pad is circular array fixed connection at the shaft surface of drilling rod, and the side surface mounting of every mount pad has the telescopic link, the one end fixedly connected with guiding wing of telescopic link. As a still further proposal of the utility model, the surface of the drill bit is provided with a spiral chip groove. As a still further scheme of the utility model, the upper surface of the mounting seat is provided with a first threaded hole, the side surface of the mounting seat is provided with a positioning groove, the first threaded hole is communicated with the positioning groove, one end of the telescopic rod is fixedly connected with a positioning block, the surface of the positioning block is provided with a second threaded hole, the surface of the positioning block is in threaded connection with a long rod bolt through the second threaded hole, and the positioning block is fixedly connected with the mounting seat through the cooperation of the first threaded hole, the second threaded hole and the long rod bolt. As a still further scheme of the utility model, the telescopic rod comprises a hollow outer rod, an inner rod and a spring, wherein one end of the hollow outer rod is fixedly connected with the coaxial axle center of the positioning block, the inner rod is slidably connected inside the hollow outer rod, and the spring is fixedly connected between the inner rod and the hollow outer rod. As a still further proposal of the utility model, the surface of the inner rod is symmetrically and fixedly connected with a limit sliding block, the inner wall of the hollow outer rod is symmetrically provided with a limit sliding groove matched with the limit sliding block, and the limit sliding block is arranged in the limit sliding groove in a sliding way. As a still further proposal of the utility model, the guiding wings are in streamline curved surface structure. As a still further aspect of the utility model, the surfaces of the guide wings are provided with a wear-resistant coating made of a ceramic composite material. The beneficial effects of the utility model are as follows: According to the utility model, the guide assembly is arranged, so that the guide wings can be contacted with the hole wall in the drilling process, the drill bit is guided to advance along the preset direction, the drilling deviation is effectively reduced, the straightness of drilling is ensured, the drilled hole meets the design requirement, the positioning block is fixedly connected with the mounting seat through the long-rod bolt penetrating through the first threaded hole and the second threaded hole, and the guide wings are firmly connected with the mounting seat; According to the utility model, the inner rod, the hollow outer rod and the spring are arranged, when a hole is drilled, the drilling tool can receive impact force due to the fact that