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CN-224209179-U - Alloy milling cutter convenient to heat dissipation

CN224209179UCN 224209179 UCN224209179 UCN 224209179UCN-224209179-U

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to an alloy milling cutter convenient for heat dissipation, which aims at the problems that when an existing device is used, the temperature of a cutting edge of the tool can be rapidly increased, the service life of the tool is reduced, the surface quality of a machined workpiece is reduced and the like caused by the fact that the heat cannot be timely and effectively dissipated, and the alloy milling cutter convenient for heat dissipation comprises a cutter handle, a cutter head is arranged at one end of the cutter handle, and a spiral heat dissipation groove is formed in the periphery of the cutter head. The cooling liquid can rapidly contact each part of the tool bit, take away a large amount of heat, the internal cooling through hole and the spiral heat dissipation through groove realize accurate heat dissipation, avoid the local overheat of the tool bit, the stable heat dissipation reduces the expansion with heat and contraction with cold deformation of the tool bit, the spiral structure also assists chip removal, chip scratch is reduced, and machining precision is effectively improved.

Inventors

  • WANG DAJUAN
  • ZHAO WEI
  • CHAO JIANGUO

Assignees

  • 常州市纳固精密工具有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (6)

  1. 1. The alloy milling cutter convenient for heat dissipation comprises a cutter handle (1) and is characterized in that one end of the cutter handle (1) is provided with a cutter head (2), the periphery of the cutter head (2) is provided with a spiral heat dissipation groove (3), the interior of the cutter handle (1) is provided with a cooling channel (6), the interior of the cutter handle (1) is also provided with an external cooling channel (4), one end of the external cooling channel (4) is communicated with the cooling channel (6), and the other end of the external cooling channel (4) extends into the spiral heat dissipation groove (3).
  2. 2. The alloy milling cutter convenient for heat dissipation according to claim 1, wherein an inner cooling through hole (5) is formed in the end portion of the cutter head (2), and one end of the inner cooling through hole (5) extends into the cutter handle (1) and is communicated with the cooling channel (6).
  3. 3. The alloy milling cutter convenient for heat dissipation according to claim 1, wherein the end part of the cutter head (2) is further provided with a cross groove (8), and the cross groove (8) is communicated with the spiral heat dissipation groove (3).
  4. 4. The alloy milling cutter convenient for heat dissipation according to claim 1, wherein the spiral heat dissipation grooves (3) are formed in a plurality and spirally surround the outer circumferential surface of the cutter head (2).
  5. 5. The alloy milling cutter convenient for heat dissipation according to claim 1, wherein the inner part of each spiral-structured cutting blade on the cutter head (2) is provided with a spiral heat dissipation through groove (7).
  6. 6. The alloy milling cutter convenient for heat dissipation according to claim 5, wherein one end of the spiral heat dissipation through groove (7) extends into the cutter handle (1) and is communicated with the cooling channel (6), and one end of the spiral heat dissipation through groove (7) extends out of the cutter.

Description

Alloy milling cutter convenient to heat dissipation Technical Field The utility model relates to an alloy milling cutter, in particular to an alloy milling cutter convenient for heat dissipation, and belongs to the technical field of machining cutters. Background In the machining industry, milling is a very common machining mode, an alloy milling cutter is used as a core cutting tool, the performance quality of the alloy milling cutter directly influences the machining quality and efficiency, and in the actual milling process, a large amount of heat is generated due to high-speed friction between the milling cutter and a workpiece and the action of cutting force, and if the heat cannot be effectively dissipated, the temperature of the milling cutter is rapidly increased. In the prior art, as disclosed in publication No. CN206104986U, the cutting edge of the hard alloy milling cutter adopts a non-equidistant cutting technology, so that the milling cutter can play a good vibration-proof role in inclined angle processing, and the milling cutter successfully realizes the long-service-life processing effect; the prior art scheme has the following defects that when the tool is used, a large amount of cutting heat is generated due to cutting deformation of a metal material and friction between the tool and a workpiece, if the heat cannot be effectively emitted timely, the temperature of a cutting edge of the tool can be rapidly increased, the abrasion of the tool material can be accelerated due to the excessively high temperature, the service life of the tool is shortened, and the surface quality of the processed workpiece is reduced, such as the problems of increased surface roughness, poor dimensional accuracy of the workpiece and the like. Disclosure of utility model The utility model aims to solve the problems that when the device is used, the heat cannot be timely and effectively radiated, the temperature of the cutting edge of a cutter can be rapidly increased, the service life of the cutter is shortened, the surface quality of a machined workpiece is reduced, and the like, and provides the alloy milling cutter convenient for heat radiation. The alloy milling cutter convenient for heat dissipation comprises a cutter handle; The tool bit is installed to the one end of handle of a knife, and spiral radiating groove has been seted up to the tool bit periphery, and cooling channel has been seted up to the inside of handle of a knife, and outside cooling channel has still been seted up to the inside of handle of a knife, and outside cooling channel's one end is linked together with cooling channel, and outside cooling channel's the other end extends to in the spiral radiating groove. As a still further proposal of the utility model, the end part of the tool bit is provided with an internal cooling through hole, and one end of the internal cooling through hole extends into the tool handle and is communicated with the cooling channel. As a still further proposal of the utility model, the end part of the cutter head is also provided with a cross groove which is communicated with the spiral heat dissipation groove. As a still further proposal of the utility model, a plurality of spiral heat dissipation grooves are arranged and spirally surround the peripheral surface of the cutter head. As a still further proposal of the utility model, the inner part of each spiral structure cutting knife on the knife head is provided with a spiral heat dissipation through groove. As a still further proposal of the utility model, one end of the spiral heat dissipation through groove extends into the knife handle and is communicated with the cooling channel, and one end of the spiral heat dissipation through groove extends out of the cutting knife. The beneficial effects of the utility model are as follows: According to the utility model, through the cooperation of the structures such as the spiral heat dissipation groove, the external cooling channel, the internal cooling through hole, the cooling channel, the spiral heat dissipation through groove, the cross groove and the like, the alloy milling cutter constructs an omnibearing and multi-layer cooling liquid circulation heat dissipation network through the cooling channel in the cutter handle, the external cooling channel, the spiral heat dissipation groove and the spiral heat dissipation through groove in the cutting blade, the cooling liquid can rapidly and fully contact with each part of the cutter head, a large amount of heat generated in the cutting process is taken away, the internal cooling through hole at the end part of the cutter head directly sprays the cooling liquid to the cutting area, the spiral heat dissipation through groove is tightly attached to the cutting blade, the concentrated heat generated by friction between the cutting blade and a workpiece can be rapidly absorbed, the accurate heat dissipation of a high-temperature area is realized, and the local overhea