CN215315937U

CN215315937U - Round nose cutter

Info

Publication number: CN215315937U
Application number: CN202120401797.1U
Authority: CN
Inventors: 杨海峰
Original assignee: Changzhou Heyongsen Tools Co ltd
Current assignee: Changzhou Heyongsen Tools Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-12-28
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a round nose cutter, which comprises a cutter handle seat, wherein the bottom end of the cutter handle seat is connected with a milling cutter body, the milling cutter body is connected with a spiral cutter head, the milling cutter body and the spiral cutter head are fixedly connected through welding, spiral cutter grooves are uniformly distributed on the spiral cutter head, each spiral cutter groove is formed by 4 spiral cutter blade spirals, and the angles between the spiral cutter grooves and the cutter blades are theta in sequence₁、θ₂、θ₃、θ₄And theta₅The cutter of the utility model is detachable, the operation is convenient, the hardness of the cutter is high, the cutter is wear-resistant, the cutting strength of the cutter is high, the single crystal diamond material is welded on the blade, the blade is sharp, the cutting capability is strong, and the blade is coated with titanium carbonitride and titanium carbonitrideThe titanium silicide coating improves the hardness of the cutter, enhances the internal heat property of the cutter and prolongs the service life of the cutter.

Description

Round nose cutter

Technical Field

The utility model relates to the technical field of cutters, in particular to a round nose cutter.

Background

The milling cutter is a rotary cutter for milling, is provided with a plurality of cutter teeth and is mainly used for processing planes, steps, grooves, forming surfaces, cutting workpieces and the like on the milling machine, the round nose milling cutter is a milling cutter with arc angles at two sides of a bottom edge, and the existing round nose milling cutter has the problems that when parts are processed, the cutter is easy to wear, the service life is short, the precision of processed workpieces is poor, the replacement is inconvenient, the operation is complex and the like.

In view of the shortcomings of the prior art, a technical solution yet to be solved needs to be provided.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides the round nose cutter which is strong in cutting capability, large in hardness, good in practicability and capable of enhancing the internal heat property of the cutter and prolonging the service life of the cutter, and the defects in the prior art can be overcome.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

the round nose cutter comprises a cutter handle seat, wherein the bottom end of the cutter handle seat is connected with a milling cutter body, the milling cutter body is connected with a spiral cutter head, the milling cutter body and the spiral cutter head are fixedly connected through welding, spiral cutter grooves are uniformly distributed on the spiral cutter head and are formed by 4 spiral cutting edges in a spiral mode, and angles between the spiral cutter grooves and the cutting edges are theta₁、θ₂、θ₃、θ₄And theta₅。

Further: the inside internal thread that is provided with in bottom of handle seat, the top outside of milling cutter body is provided with the external screw thread, handle seat and milling cutter body threaded connection can dismantle convenient operation.

Further: the milling cutter body is connected with a spiral cutter head, and the milling cutter body is fixedly connected with the spiral cutter head through welding.

Further: the spiral cutter groove is composed of 4 spiral blade spirals, the spiral angle of the spiral cutter groove is 30 degrees, and the spiral blade is made of alloy steel, so that the spiral cutter groove is high in hardness and wear-resistant.

Further: the included angles between the spiral cutter groove and the cutting edge are theta in sequence₁Is 10 degrees, theta₂Is 15 degrees, theta₃Is 30 degrees, theta₄Is 45 degrees, theta₅Is 12 degrees.

The utility model has the beneficial effects that: the utility model provides a round nose cutter, through handle seat and milling cutter body threaded connection, can dismantle, convenient operation, through spiral sword groove comprises the helical cutting edge spiral of 4 alloy steel materials, the helix angle in spiral sword groove is 30 degrees, and hardness is big, and is stand wear and tear, through contained angle grow in proper order between spiral sword groove and the cutting edge increases the thickness of cutter, strengthens the cutting strength of cutter, cutting edge thickness is 1mm, the welding has single crystal diamond material on the cutting edge for the cutting edge is sharp, and cutting ability is strong, coats titanium carbonitride and titanium silicide coating again on the cutting edge, improves the hardness of cutter, strengthens the interior heat nature of cutter, prolongs the life-span of cutter.

Drawings

FIG. 1 is a schematic view of a round nose tool of the present invention;

FIG. 2 is a cross-sectional view of a bottom structure of a round nose cutter of the present invention;

the reference signs are: the milling cutter comprises a cutter handle seat 1, a milling cutter body 2, a spiral cutter head 3, a cutter groove 4 and a cutting edge 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

As shown in the attached drawings, the round nose cutter comprises a cutter handle seat 1, a milling cutter body 2, a cutter head 3, a cutter groove 4 and a cutter edge 5.

As shown in fig. 1, the milling cutter comprises a cutter handle base 1, wherein an internal thread is arranged inside the bottom end of the cutter handle base 1, the bottom end of the cutter handle base 1 is connected with a milling cutter body 2, an external thread is arranged on the outer side of the top of the milling cutter body 2, the cutter handle base 1 is in threaded connection with the milling cutter body 2, the milling cutter body 2 is detachable and convenient to operate, the milling cutter body 2 is connected with a spiral cutter head 3, the milling cutter body 2 is fixedly connected with the spiral cutter head 3 by welding, spiral cutter grooves 4 are uniformly distributed on the spiral cutter head 3, each spiral cutter groove 4 is formed by 4 spiral cutting edges 5 in a spiral mode, and angles between the spiral cutter grooves 4 and the cutting edges 5 are theta sequentially₁、θ₂、θ₃、θ₄And theta₅。

In one embodiment of the utility model: the inside internal thread that is provided with in bottom of handle seat 1, the bottom of handle seat 1 is connected with milling cutter body 2, the top outside of milling cutter body 2 is provided with the external screw thread, handle seat 1 and milling cutter body 2 threaded connection can dismantle convenient operation.

In one embodiment of the utility model: the milling cutter body 2 is connected with a spiral cutter head 3, and the milling cutter body 2 and the spiral cutter head 3 are fixedly connected through welding.

In one embodiment of the utility model: spiral knife grooves 4 are uniformly distributed on the spiral knife head 3, each spiral knife groove 4 is formed by 4 spiral knife edges 5 in a spiral mode, the spiral angle of each spiral knife groove 4 is 30 degrees, and the spiral knife edges 5 are made of alloy steel, so that the hardness is high, and the wear resistance is high.

In one embodiment of the utility model: the included angles between the spiral cutter groove 4 and the cutting edge 5 are theta in sequence₁Is 10 degrees, theta₂Is 15 degrees, theta₃Is 30 degrees, theta₄Is 45 degrees, theta₅The included angle between the cutter groove 4 and the cutting edge 5 is increased in sequence to be 12 degrees, the thickness of the cutter is increased, and the cutting strength of the cutter is enhanced, wherein the thickness of the cutting edge is 1mm, and a single crystal diamond material is welded on the cutting edge, so that the cutting edge is sharp, and the cutting capability is strong. And the cutting edge is coated with titanium carbonitride and titanium silicide coatings, so that the hardness of the cutter is improved, the internal heat of the cutter is enhanced, and the service life of the cutter is prolonged.

The working principle is as follows: the utility model provides a round nose cutter, includes including the handle seat, the bottom of handle seat is connected with the milling cutter body, the milling cutter body is connected with the spiral tool bit, even distribution has spiral sword groove on the spiral tool bit, spiral sword groove comprises a helical cutting edge spiral, and when using, the installation of cutter is accomplished to milling cutter body spiral twist in with the internal thread of handle seat, through threaded connection, is convenient for change impaired round nose cutter, through spiral sword groove comprises the helical cutting edge spiral of 4 alloy steel materials, and hardness is big, stand wear and tear, through contained angle between spiral sword groove and the cutting edge is theta in proper order₁Is 10 degrees theta₂Is 15 degrees theta₃Is 30 degrees theta₄Is 45 degrees theta₅For 12 degrees, contained angle grow in proper order between sword groove and the cutting edge increases the thickness of cutter, strengthens the cutting strength of cutter, wherein cutting edge thickness is 1mm, through the welding has single crystal diamond material on the cutting edge for the cutting edge is sharp, and cutting ability is strong, coats titanium carbonitride and titanium silicide coating on the cutting edge again, improves the hardness of cutter, strengthens the interior heat of cutter, prolongs the life-span of cutter, and practicality is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.

Claims

1. The round nose cutter is characterized by comprising a cutter handle seat, wherein the bottom end of the cutter handle seat is connected with a milling cutter body, the milling cutter body is connected with a spiral cutter head, the milling cutter body and the spiral cutter head are fixedly connected through welding, spiral cutter grooves are uniformly distributed on the spiral cutter head and are formed by 4 spiral cutter blade spirals, and angles between the spiral cutter grooves and the cutter blades are theta₁、θ₂、θ₃、θ₄And theta₅。

2. The round nose tool as claimed in claim 1, wherein the bottom end of the shank holder is internally provided with an internal thread, the top outer side of the milling cutter body is provided with an external thread, and the shank holder and the milling cutter body are threadedly connected.

3. The round nose cutter as claimed in claim 1, wherein the helix angle of the helical flute is 30 degrees, and the material of the helical cutting edge is alloy steel.

4. The round nose tool as claimed in claim 3, wherein the included angles between the spiral flutes and the cutting edges are in order θ₁Is 10 degrees, theta₂Is 15 degrees, theta₃Is 30 degrees, theta₄Is 45 degrees, theta₅Is 12 degrees.