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CN-224209133-U - Boring cutter capable of adjusting length of boring bar

CN224209133UCN 224209133 UCN224209133 UCN 224209133UCN-224209133-U

Abstract

The utility model discloses a boring cutter capable of adjusting the length of a boring bar, which comprises a supporting rod, a butt joint rod, a fixing cylinder, the boring cutter and a length adjusting mechanism, wherein the butt joint rod is connected to two ends of the supporting rod, the fixing cylinder is fixed on the butt joint rod, the boring cutter is connected in the fixing cylinder, the supporting rod is fixed on one side of the length adjusting mechanism, and the length adjusting mechanism comprises a supporting plate, a connecting block and a transverse linkage plate. According to the utility model, the boring cutter is arranged to mill a workpiece, and the worm in the length adjusting mechanism drives the worm wheel to rotate during milling, so that the transverse linkage plates are driven to rotate, and the transverse linkage plates are driven to synchronously link, so that the feeding operation of the boring cutter is realized, and the vertical linkage plates are integrally synchronously linked while feeding, so that the supporting effect of the boring cutter on the vertical structure is realized, and the situation that the boring cutter generates vibration due to the supporting force in only one direction during feeding is effectively avoided.

Inventors

  • Jiang Huafen
  • LU DIFEI
  • LU DICHAO

Assignees

  • 常州市西夏墅创悦工具有限公司

Dates

Publication Date
20260508
Application Date
20250311

Claims (6)

  1. 1. The boring cutter capable of adjusting the length of the boring bar comprises a supporting rod (1), a butt joint rod (2), a fixing cylinder (3), a boring cutter (4) and a length adjusting mechanism (5), and is characterized in that the butt joint rod (2) is connected to two ends of the supporting rod (1), the fixing cylinder (3) is fixed on the butt joint rod (2), and the boring cutter (4) is connected in the fixing cylinder (3); The support rod (1) is fixed on one side of the length adjusting mechanism (5), the length adjusting mechanism (5) comprises a supporting plate (51), a supporting plate (52), a connecting block (53) and a transverse linkage plate (54), the supporting plate (51) is fixed on an external machine tool, the supporting plate (52) is fixed on the supporting plate (51), the connecting block (53) is provided with a plurality of connecting blocks, one end of the transverse linkage plate (54) is rotationally connected on the connecting block (53), the other ends of the transverse linkage plates (54) on two adjacent connecting blocks (53) are mutually rotationally connected, and one end of one transverse linkage plate (54) is rotationally connected on the supporting plate (52).
  2. 2. The boring tool according to claim 1, wherein the length adjusting mechanism (5) further comprises a plurality of driven rods (55) and vertical linkage plates (56), the driven rods (55) are rotatably connected to the supporting plate (52) and the connecting block (53) respectively, one end of each vertical linkage plate (56) is rotatably connected to the driven rod (55), and the vertical linkage plates (56) on two adjacent driven rods (55) are rotatably connected to each other.
  3. 3. The boring tool according to claim 1, wherein the length adjusting mechanism (5) further comprises a worm wheel (57), a worm (58) and a servo motor (59), the worm wheel (57) is coaxially fixed on the transverse linkage plate (54) and connected to one end of the bearing plate (52), the worm (58) is rotatably connected to the supporting plate (51), the worm (58) is meshed with the worm wheel (57), the servo motor (59) is fixed on one side of the supporting plate (51), and the servo motor (59) is coaxially fixed with the worm (58).
  4. 4. The boring tool of claim 2, wherein two sets of vertical linkage plates (56) are provided, and the overall structure of the two sets of vertical linkage plates (56) is symmetrically arranged at two sides of the transverse linkage plate (54).
  5. 5. The boring tool according to claim 1, wherein the butt-joint rod (2) is slidingly connected in the inner cavity of the support rod (1), and the butt-joint rod (2) is locked with the support rod (1) through a screw connection.
  6. 6. The boring tool according to claim 1, wherein one end of the fixed cylinder (3) is provided with a cylindrical cavity, and the boring tool (4) is inserted into the cavity and detachably connected with the fixed cylinder (3) through a screw.

Description

Boring cutter capable of adjusting length of boring bar Technical Field The utility model relates to a boring cutter, in particular to a boring cutter capable of adjusting the length of a boring bar, and belongs to the technical field of boring cutters. Background The boring cutter is an important cutter which is indispensable in precision hole machining, is mainly used for inner hole machining, reaming, profiling and the like, has one or two cutting parts and is a cutter which is specially used for carrying out rough machining, semi-finish machining or finish machining on the existing hole. However, in most of the existing boring tools, for example, in a numerical control compound boring tool with bidirectional adjustment disclosed in publication No. CN103551608a, although the bidirectional movement of the boring tool row in the axial direction and the radial direction can be realized, the machining process is simplified, and the machining efficiency is improved, but for some workpieces requiring machining of a hole type groove, the boring tool needs to be fed in a large range in the workpiece, so that the length of the boring bar of the boring tool needs to be adjusted, but the boring bar structure of the existing boring tool is various, for example, for the boring bar structure formed by combining the cross linkage rod members, the cross linkage structure is mostly arranged in only one plane, which can realize the feeding operation of the boring tool, but the stability is seriously insufficient, and fine shaking is easy to generate during milling, so that the milling precision of the boring tool is seriously affected. Disclosure of utility model The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art, and provides a boring cutter capable of adjusting the length of a boring bar. In order to achieve the aim, the boring cutter capable of adjusting the length of the boring rod comprises a supporting rod, a butt joint rod, a fixing cylinder, the boring cutter and a length adjusting mechanism, wherein the butt joint rod is connected to two ends of the supporting rod, the fixing cylinder is fixed on the butt joint rod, and the boring cutter is connected in the fixing cylinder; the bracing piece is fixed in length adjustment mechanism one side, and length adjustment mechanism includes fagging, carrier plate, connecting block and horizontal linkage board, and the fagging is fixed on outside lathe, and the carrier plate is fixed on the fagging, and the connecting block is provided with a plurality ofly, and the one end rotation of horizontal linkage board is connected on the connecting block, and the other end of horizontal linkage board on two adjacent connecting blocks is rotated each other and is connected, and one end rotation of one of them horizontal linkage board is connected on the carrier plate. Preferably, the length adjusting mechanism further comprises a plurality of driven rods and vertical linkage plates, the driven rods are arranged, the driven rods are respectively connected to the bearing plates and the connecting blocks in a rotating mode, one ends of the vertical linkage plates are connected to the driven rods in a rotating mode, and the vertical linkage plates on two adjacent driven rods are connected in a rotating mode. Preferably, the length adjusting mechanism further comprises a worm wheel, a worm and a servo motor, wherein the worm wheel is coaxially fixed on the transverse linkage plate and connected to one end of the bearing plate, the worm is rotationally connected to the supporting plate and meshed with the worm wheel, the servo motor is fixed on one side of the supporting plate, and the servo motor is coaxially fixed with the worm. Preferably, the vertical linkage plates are provided with two groups, and the whole structure formed by the two groups of vertical linkage plates is symmetrically arranged at two sides of the transverse linkage plates. Preferably, the docking rod is slidably coupled within the interior cavity of the support rod, and the docking rod is locked to the support rod by a screw connection. Preferably, one end of the fixed cylinder is provided with a cylindrical cavity, and the boring cutter is inserted in the cavity and is detachably connected with the fixed cylinder through a screw. The boring cutter has the beneficial effects that the workpiece is milled by arranging the boring cutter, and the worm in the length adjusting mechanism drives the worm wheel to rotate during milling so as to drive the transverse linkage plates to rotate, so as to drive the plurality of transverse linkage plates to synchronously link, thereby realizing the feeding operation of the boring cutter, and the vertical linkage plates integrally synchronously link while feeding, realizing the supporting eff