Cutter special for CNC machining aiming at taper hole characteristics

By designing special tools, using alloy steel material and conical cutting heads with specific angles, the problems of long time and poor surface roughness during CNC processing conical holes are solved, and efficient processing and surface quality are achieved.

CN223264849UActive Publication Date: 2025-08-26JINGJIANG PIONEER SEMICON TECH CO LTD
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Patent Information

Application Number
CN202422231348.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-08-26
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

When existing CNCs are used to process cone holes, the method of using large drill sleeves and small drills leads to long processing time, poor surface roughness, uneven cone surface allowance, and easy to cause over-cutting of the vibrator.

Method used

A special tool is designed, including a tapered cutter head and machining cutter tip, made of alloy steel with an angle of 130 degrees, for single-use processing of conical hole features, improving tool life and ensuring uniform cutting.

Benefits of technology

It significantly improves the CNC processing speed, improves by more than 45%, has bright surface and good roughness, and improves the surface quality of the cone holes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of CNC (computer numerical control) machining, in particular to a special tool for CNC machining aiming at taper hole characteristics, which comprises a tool mounting rod, a conical tool bit is fixedly connected to the tail end of the tool mounting rod, a machining tool nose is arranged at the tail end of the conical tool bit, a mounting groove is arranged on the outer surface of the tool mounting rod, and an identification parameter sticker is fixedly connected in the mounting groove. The total length of the tool mounting rod, the tool mounting rod and the machining tool nose is 50 mm, the tool mounting rod is cylindrical, the conical tool bit, the tool mounting rod and the machining tool nose are used in cooperation, the conical tool bit and the machining tool nose are made of alloy steel, and after the material, the hardness and the angle of the tool are defined, the machining tool nose is made of alloy steel. The cutter is made of hard alloy steel and a superhard material, so that the service life of the cutter is prolonged, after actual trial machining, the CNC machining speed is greatly increased, and the actually measured machining speed is increased by more than 45%; and the surface is bright and good in roughness.
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Description

Technical Field

[0001] The utility model relates to the technical field of CNC machining, in particular to a special tool for CNC machining of tapered hole features. Background Art

[0002] The existing CNC processing technology for special-shaped tapered holes still uses the old-fashioned processing method of using a large drill to cover a small drill. This not only slows down the processing time, but also results in poor surface roughness after processing and uneven tapered surface allowances, which leads to uneven finishing and overcutting in the tapered hole. In order to improve the surface quality in the holes of components and save processing costs, a special tool suitable for processing all tapered hole features has been designed, which can be processed and formed in one go. Utility Model Content

[0003] The purpose of the utility model is to provide a special tool for CNC machining of tapered hole features, so as to solve the problem proposed in the above background technology that the current existing process technology for CNC machining of tapered holes of special shapes still uses the old-fashioned machining method, that is, the method of large drill sleeve small drill, which not only slows the machining time, but also has poor surface roughness after machining and uneven tapered surface allowance, thereby resulting in uneven finishing cutting and overcutting of the tool in the tapered hole. In order to improve the surface quality in the hole of the component and save machining costs, a special tool suitable for machining all tapered hole features is designed, which can be rough-machined into shape in one time.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A special tool for CNC machining of tapered hole features, comprising a tool mounting rod, a tapered cutter head fixedly connected to the end of the tool mounting rod, a machining tip provided at the end of the tapered cutter head, a mounting groove provided on the outer surface of the tool mounting rod, an identification parameter sticker fixedly connected in the mounting groove, the total length of the tool mounting rod, the tool mounting rod and the machining tip being 50 mm, and the shape of the tool mounting rod being cylindrical.

[0006] As a preferred solution of the present invention, the angle of the machining tool tip is set to 130 degrees, and the cutting angle of the tapered tool head is 30 degrees.

[0007] As a preferred solution of the present invention, the tool mounting rod is made of stainless steel, and the diameter of the tool mounting rod is 5 mm.

[0008] As a preferred solution of the present invention, the tapered cutter head and the machining tip are both made of alloy steel, and the tool is mounted on a rod.

[0009] As a preferred solution of the present invention, the parameter identification sticker is located in the middle of the outer surface of the tool mounting rod, and the material of the parameter identification sticker is polyethylene.

[0010] As a preferred solution of the present invention, the outer surface of the tool mounting rod is coated with an anti-corrosion solution, and the other end of the tool mounting rod is provided with a connecting groove.

[0011] As a preferred solution of the present invention, the diameter of the conical cutter head is 2 mm, and the conical cutter head is positioned opposite to the connecting groove.

[0012] As a preferred solution of the present invention, the conical cutter head and the processing tip are integrally formed.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In the utility model, a conical cutter head, a tool mounting rod and a processing tool tip are used in combination, wherein the conical cutter head and the processing tool tip are made of alloy steel. Then, after defining the material, hardness and angle of the tool, the tool material is selected from carbide steel, and the ultra-hard material is selected to increase the tool life. After actual trial processing, the CNC processing speed is greatly improved, and the measured processing speed is increased by more than 45%; the surface is bright and the roughness is good.

[0015] 2. The utility model sets a conical cutter head and a processing tool tip for use together. After repeated tests, the tool tip angle of this type of tool is set to 130 degrees, which can better drill into the material and reduce tool wear. The second angle of the tool is set according to the angle of the tapered hole feature, which can achieve uniform allowance. The blade and the second angle must be longer than the depth of the feature hole to facilitate the discharge of aluminum chips. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the tapered cutter head end of the utility model.

[0018] In the figure: 1. Tool mounting rod; 2. Mounting slot; 3. Parameter identification sticker; 4. Conical tool head; 5. Processing tool tip. DETAILED DESCRIPTION

[0019] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] For examples, see Figure 1-Figure 2 , the utility model provides a technical solution:

[0021] A special tool for CNC machining of tapered hole features, including a tool mounting rod 1, a tapered cutter head 4 fixedly connected to the end of the tool mounting rod 1, a machining tip 5 opened at the end of the tapered cutter head 4, a mounting groove 2 opened on the outer surface of the tool mounting rod 1, a parameter identification sticker 3 fixedly connected in the mounting groove 2, the total length of the tool mounting rod 1, the tool mounting rod 1 and the machining tip 5 is 50 mm, the shape of the tool mounting rod 1 is cylindrical, the angle of the machining tip 5 is set to 130 degrees, and the cutting angle of the tapered cutter head 4 is 30 degrees The tool mounting rod 1 is made of stainless steel, the diameter of the tool mounting rod 1 is 5mm, the materials of the conical cutter head 4 and the processing tip 5 are both alloy steel, the tool mounting rod 1, the identification parameter sticker 3 is located in the middle position of the outer surface of the tool mounting rod 1, the material of the identification parameter sticker 3 is polyethylene, the outer surface of the tool mounting rod 1 is coated with an anti-corrosion solution, and a connecting groove is provided at the other end of the tool mounting rod 1. The diameter of the conical cutter head 4 is 2mm, the conical cutter head 4 is opposite to the connecting groove, and the conical cutter head 4 and the processing tip 5 are integrally formed.

[0022] The working process of the present utility model: when using the special tool designed for CNC machining of tapered hole features in this scheme, first check whether the device is used normally, install the tool mounting rod 1 on the appropriate working equipment, start the equipment, and perform punching operations through the cooperation of the tapered tool head 4 and the machining tip 5. The tool tip angle of this type of tool is set to 130 degrees, which can better penetrate into the material and reduce tool wear. The second angle of the tool is set according to the angle of the tapered hole feature, which can achieve uniform allowance. The blade and the second angle must be longer than the depth of the feature hole to facilitate aluminum cutting. The material of the tapered tool head 4 and the machining tip 5 is alloy steel. After defining the material, hardness and angle of the tool, the tool material is selected from carbide steel and super-hard material to increase the tool life. After actual trial processing, the CNC processing speed is greatly improved, and the measured processing speed is increased by more than 45%; the surface is bright and the roughness is good.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special tool for CNC machining of tapered hole features, comprising a tool mounting rod (1), characterized in that: The end of the tool mounting rod (1) is fixedly connected to a conical tool head (4), and the end of the conical tool head (4) is provided with a processing tool tip (5). The outer surface of the tool mounting rod (1) is provided with a mounting groove (2), and an identification parameter sticker (3) is fixedly connected in the mounting groove (2). The total length of the tool mounting rod (1), the tool mounting rod (1) and the processing tool tip (5) is 50 mm, and the shape of the tool mounting rod (1) is cylindrical.

2. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The angle of the machining tool tip (5) is set to 130 degrees, and the cutting angle of the tapered tool head (4) is 30 degrees.

3. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The tool mounting rod (1) is made of stainless steel, and has a diameter of 5 mm.

4. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The tapered cutter head (4) and the machining tip (5) are both made of alloy steel, and the cutter mounting rod (1) is provided.

5. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The parameter identification sticker (3) is located in the middle of the outer surface of the tool mounting rod (1), and the material of the parameter identification sticker (3) is polyethylene.

6. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The outer surface of the tool mounting rod (1) is coated with an anti-corrosion solution, and the other end of the tool mounting rod (1) is provided with a connection groove.

7. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The diameter of the conical cutter head (4) is 2 mm, and the conical cutter head (4) is located opposite to the connecting groove.

8. The special tool for CNC machining of tapered hole features according to claim 1, characterized in that: The conical cutter head (4) and the processing cutter tip (5) are integrally formed.