CN214920836U

CN214920836U - High-speed round R-angle single-edge milling cutter

Info

Publication number: CN214920836U
Application number: CN202121674622.4U
Authority: CN
Inventors: 丁黎军
Original assignee: Suzhou Guanzuan Precision Tools Co ltd
Current assignee: Suzhou Guanzuan Precision Tools Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-11-30
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a high-speed circle R angle single-edge milling cutter, including the handle of a knife, one side of handle of a knife is provided with the tool bit sword, the opposite side of handle of a knife is provided with handle of a knife guide angle, the tool bit sword includes tool bit sword body, main slot has been seted up to one side of tool bit sword body, the arc type slot has been seted up to the opposite side of tool bit sword body, be provided with the multi-edge type of a plurality of between main slot and the arc type slot and strengthen supporting the back. The utility model discloses a main slot and circular arc type slot make milling cutter's tool bit sword body can be faster bore the inside of work piece into, a plurality of multiple-edge type is strengthened supporting the back and is made tool bit sword body strengthened, the condition of breaking off takes place when avoiding tool bit sword body to rotate, the wearing and tearing between the reducible milling cutter of circumference sword relief angle and the two relief angles of circumference sword and the work piece machined surface, circumference end sword circle R angle makes the burr that the work piece of processing produced reduce, staff's work efficiency has been improved greatly.

Description

High-speed round R-angle single-edge milling cutter

Technical Field

The utility model relates to a milling cutter technical field, concretely relates to high-speed circle R angle single-edge milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. The more and more new materials in the current mechanical processing, such as composite engineering plastics, composite alloy materials, special fiber materials and the like, often need to use milling cutters. And the common milling cutter often can produce more burrs when feeding at a high speed, greatly influences the processing of workpieces and influences the working efficiency of workers.

Disclosure of Invention

An object of the utility model is to provide a high-speed round R angle single-edge milling cutter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high-speed circle R angle single-edge milling cutter, includes the handle of a knife, one side of handle of a knife is provided with the tool bit sword, the opposite side of handle of a knife is provided with handle of a knife guide angle, the tool bit sword includes tool bit sword body, main slot has been seted up to one side of tool bit sword body, circular arc type slot has been seted up to the opposite side of tool bit sword body, it strengthens supporting the back to be provided with the multiple-edge type between main slot and the circular arc type slot, one side of main slot is provided with the compound groove of rake face, the opposite side of main slot is provided with the circular arc sword groove.

As a further aspect of the present invention: the tail end of the cutter head blade body is provided with a bottom tooth chip dividing groove support angle beside the main groove, and the inclination angle of the bottom tooth chip dividing groove support angle is 20-45 degrees.

As a further aspect of the present invention: the outer side of the multi-edge type strengthening support back is provided with a circumferential edge first relief angle, the outer side of the multi-edge type strengthening support back is positioned beside the circumferential edge first relief angle and is provided with a circumferential edge second relief angle, and the inclination angle of the circumferential edge second relief angle is 25-40 degrees.

As a further aspect of the present invention: the position where the outer side of the multi-edge type strengthening support back is connected with the first back angle of the circumferential edge is provided with a circumferential bottom edge circle R angle, and the inclination angle of the circumferential bottom edge circle R angle is 10-20 degrees.

As a further aspect of the present invention: the top end of the cutter head blade body is provided with a bottom tooth chip dividing groove, a bottom tooth rake face is arranged at the position, close to the bottom tooth chip dividing groove, of the top end of the cutter head blade body, and the inclination angle of the bottom tooth rake face ranges from 2 degrees to 10 degrees.

As a further aspect of the present invention: the outer side of the bottom tooth chip dividing groove is provided with a bottom blade secondary relief angle, the inclination angle of the bottom blade secondary relief angle is 15-35 degrees, the outer side of the bottom tooth front cutter surface is provided with a bottom blade primary relief angle, and the inclination angle of the bottom blade primary relief angle is 7-20 degrees.

As a further aspect of the present invention: the knife handle, the knife head edge and the knife handle guide angle are all fixedly connected.

As a further aspect of the present invention: the outer sides of the cutter handle, the cutter head edge and the guide angle of the cutter handle are all provided with a hydrogen-free color DLC coating film, and the thickness of the hydrogen-free color DLC coating film is 0.1-0.2 um.

Compared with the prior art, the beneficial effects of the utility model are that:

1. make the staff can be more convenient carry out fixed mounting to the handle of a knife of milling cutter through handle of a knife guide angle, main slot and circular arc type slot make the inside that the tool bit sword body of milling cutter can bore the work piece into faster, a plurality of multiple-edge type is strengthened and is supported the back and make tool bit sword body strengthened, the condition of breaking takes place when avoiding tool bit sword body to rotate, rake face compound groove plays the effect of support, it is more convenient to make milling cutter process the work piece, circular arc plays the sword groove and makes things convenient for the staff with the inside of tool bit sword body embedding work piece, end tooth chip groove support angle plays the effect of support to end tooth chip groove, the reducible milling cutter of circumference sword a relief angle and circumference sword two relief angles and the wearing and tearing between the work piece machined surface, circumference end sword circle R angle makes the burr that the work piece of processing produced reduce, staff's work efficiency has been improved greatly.

Make the work piece carry out the discharge that the sweeps that the course of working produced can be regular through end tooth chip groove, the condition that the sweeps that avoids producing caused the work piece to damage, end tooth rake face is used for cutting the work piece, end two relief angles of sword and end sword relief angle can make the staff with the inside of the faster work piece of boring in top of tool bit sword body, the ultra-thin no hydrogen colored DLC that sets up in the outside of handle of a knife, tool bit sword and handle of a knife guide angle is filmed, its hardness is up to HV5000-7000, can effectively protect the cutter body, increase the life of cutter.

Drawings

FIG. 1 is a schematic structural view of a high-speed round R-corner single-edge milling cutter;

FIG. 2 is a plan view of the major groove face in a high speed round R corner single edge mill;

FIG. 3 is a plan view of the back of a multi-edged, reinforced support in a high-speed round R-angle single-edge milling cutter;

fig. 4 is a cross-sectional view of the cutting edges of the cutting head in the high-speed round R-corner single-edge milling cutter.

In the figure: 1. a knife handle; 2. a blade edge; 21. a tool bit blade body; 22. a main trench; 23. a rake face composite flute; 24. a support angle of a bottom tooth chip dividing groove; 25. an arc tool raising groove; 26. the back is supported by the multi-edge type reinforcement; 27. a bottom tooth rake face; 28. a bottom tooth chip dividing groove; 29. a circular arc-shaped groove; 211. a bottom edge secondary relief angle; 212. a back angle of the bottom edge; 213. a circumferential edge relief angle; 214. a circumferential edge secondary relief angle; 215. a circumferential bottom edge circle R angle; 3. a knife handle guide angle.

Detailed Description

Referring to fig. 1 to 4, the high-speed round R-angle single-edge milling cutter of the present embodiment includes a cutter handle 1, a cutter blade 2 is disposed on one side of the cutter handle 1, a cutter handle guide angle 3 is disposed on the other side of the cutter handle 1, the cutter blade 2 includes a cutter blade body 21, a main groove 22 is disposed on one side of the cutter blade body 21, an arc groove 29 is disposed on the other side of the cutter blade body 21, a plurality of multi-blade reinforced support backs 26 are disposed between the main groove 22 and the arc groove 29, a rake face composite groove 23 is disposed on one side of the main groove 22, and an arc tool raising groove 25 is disposed on the other side of the main groove 22.

In fig. 1, 2 and 3, a bottom tooth chip distributing groove support angle 24 is arranged at the end of the cutter head blade body 21 beside the main groove 22, the inclination angle of the bottom tooth chip distributing groove support angle 24 is 20 to 45 degrees, a circumferential edge primary relief angle 213 is arranged at the outer side of the multi-blade type reinforcing support back 26, a circumferential edge secondary relief angle 214 is arranged at the outer side of the multi-blade type reinforcing support back 26 beside the circumferential edge primary relief angle 213, the inclination angle of the circumferential edge secondary relief angle 214 is 25 to 40 degrees, a circumferential bottom edge circle R angle 215 is arranged at the position where the outer side of the multi-blade type reinforcing support back 26 is connected with the circumferential edge primary relief angle 213, the inclination angle of the circumferential bottom edge circle R angle 215 is 10 to 20 degrees, a worker can more conveniently fix and install the cutter handle 1 of the milling cutter through the cutter handle guide angle 3, and the main groove 22 and the circular arc groove 29 enable the cutter head blade body 21 of the milling cutter to more quickly drill into a workpiece, a plurality of multi-edge type strengthening support back 26 makes tool bit sword body 21 strengthened, the condition of breaking off when avoiding tool bit sword body 21 to rotate, rake face composite groove 23 plays the effect of support, it is more convenient to make milling cutter process the work piece, the circular arc plays the inside that sword groove 25 made things convenient for staff imbed tool bit sword body 21 work piece, end tooth chip groove support angle 24 plays the effect of support to end tooth chip groove 28, the wearing and tearing between the reducible milling cutter of two relief angles 214 of circumference sword a relief angle 213 and circumference sword and the work piece machined surface, circumference end sword circle R angle 215 makes the burr that the work piece of processing produced reduce, staff's work efficiency has been improved greatly.

In the

drawings

1, 2 and 4, a bottom tooth chip dividing groove 28 is arranged at the top end of a cutter head blade body 21, a bottom tooth front blade surface 27 is arranged at the top end of the cutter head blade body 21 and positioned beside the bottom tooth chip dividing groove 28, the inclination angle of the bottom tooth front blade surface 27 is 2-10 degrees, a bottom blade secondary relief angle 211 is arranged at the outer side of the bottom tooth chip dividing groove 28, the inclination angle of the bottom blade secondary relief angle 211 is 15-35 degrees, a bottom blade primary relief angle 212 is arranged at the outer side of the bottom tooth front blade surface 27, the inclination angle of the bottom blade primary relief angle 212 is 7-20 degrees, a cutter handle 1, a cutter head blade 2 and a cutter handle guide angle 3 are fixedly connected, a hydrogen-free color DLC film is arranged at the outer sides of the cutter handle 1, the cutter head blade 2 and the cutter handle guide angle 3, the thickness of the hydrogen-free color DLC film is 0.1-0.2 um, and waste chips generated in the process of processing a workpiece can be regularly discharged through the bottom tooth chip dividing groove 28, the condition that the work piece damaged is caused to the sweeps of avoiding producing, end tooth rake face 27 is used for cutting the work piece, and end sword second relief angle 211 and end sword first relief angle 212 can make the staff bore the inside of work piece with the top of tool bit sword body 21 faster, and the colored DLC of no hydrogen that the outside of handle of a knife 1, tool bit sword 2 and handle of a knife guide angle 3 set up films, and the colored DLC of no hydrogen film thickness 0.1um-0.2um, can show the life who increases the cutter.

The utility model discloses a theory of operation: the cutter handle 1 of the milling cutter can be more conveniently and fixedly installed by a worker through the cutter handle guide angle 3, the cutter head blade body 21 of the milling cutter can be more quickly drilled into a workpiece through the main groove 22 and the arc-shaped groove 29, the cutter head blade body 21 is reinforced through the plurality of multi-blade type reinforcing support backs 26, the situation that the cutter head blade body 21 is broken when rotating is avoided, the front cutter face composite groove 23 plays a supporting role, the milling cutter can more conveniently process the workpiece, the arc-shaped cutter starting groove 25 facilitates the worker to embed the cutter head blade body 21 into the workpiece, the bottom tooth chip dividing groove support angle 24 plays a supporting role for the bottom tooth chip dividing groove 28, the abrasion between the milling cutter and the workpiece processing surface can be reduced through the circumferential bottom blade first relief angle 213 and the circumferential blade second relief angle 214, burrs generated by the processed workpiece can be reduced through the circumferential bottom blade circle R angle 215, and the working efficiency of the worker is greatly improved, make the work piece carry out the discharge that the sweeps that produces can be regular in the course of working through end tooth chip groove 28, avoid the sweeps that produces to cause the condition that the work piece damaged, end tooth rake face 27 is used for cutting the work piece, and end edge two relief angle 211 and end edge one relief angle 212 can make the inside of the work piece that the staff bored into the top of tool bit sword body 21 faster. In addition, the ultra-thin and ultra-hard hydrogen-free color DLC coating is arranged outside the cutter handle 1, the cutter head blade 2 and the cutter handle guide angle 3, so that the service life of the cutter can be obviously prolonged.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high-speed circle R angle single-edge milling cutter, includes handle of a knife (1), its characterized in that, one side of handle of a knife (1) is provided with tool bit sword (2), the opposite side of handle of a knife (1) is provided with handle of a knife guide angle (3), tool bit sword (2) include tool bit sword body (21), main slot (22) have been seted up to one side of tool bit sword body (21), circular arc type slot (29) have been seted up to the opposite side of tool bit sword body (21), be provided with a plurality of multiple-edge type between main slot (22) and circular arc type slot (29) and strengthen support back (26), one side of main slot (22) is provided with compound groove of preceding knife face (23), the opposite side of main slot (22) is provided with circular arc tool raising groove (25).

2. The high-speed round R-angle single-edge milling cutter as claimed in claim 1, wherein the tip of the cutter blade body (21) beside the main groove (22) is provided with a bottom tooth chip flute support angle (24), the inclination angle of the bottom tooth chip flute support angle (24) being 20 ° -45 °.

3. The high-speed round R-angle single-blade milling cutter as claimed in claim 1, wherein a circumferential blade primary relief angle (213) is provided on an outer side of the multi-blade type reinforcing support back (26), a circumferential blade secondary relief angle (214) is provided on an outer side of the multi-blade type reinforcing support back (26) beside the circumferential blade primary relief angle (213), and an inclination angle of the circumferential blade secondary relief angle (214) is 25 ° to 40 °.

4. The high-speed round R-angle single-edge milling cutter as claimed in claim 1, wherein a circumferential bottom cutting circle R-angle (215) is provided at a position where the outside of the multi-edge type reinforcing support back (26) is connected to a circumferential cutting edge-relief angle (213), and the inclination angle of the circumferential bottom cutting circle R-angle (215) is 10 ° to 20 °.

5. The high-speed round R-angle single-edge milling cutter according to claim 1, wherein the tip of the cutter blade body (21) is provided with a bottom tooth chip flute (28), the tip of the cutter blade body (21) is provided with a bottom tooth rake surface (27) beside the bottom tooth chip flute (28), and the inclination angle of the bottom tooth rake surface (27) is 2 ° to 10 °.

6. The high-speed round R-angle single-edge milling cutter as claimed in claim 5, wherein a bottom edge secondary relief angle (211) is provided outside the bottom tooth chip flute (28), the inclination angle of the bottom edge secondary relief angle (211) is 15 ° -35 °, a bottom edge primary relief angle (212) is provided outside the bottom tooth rake surface (27), and the inclination angle of the bottom edge primary relief angle (212) is 7 ° -20 °.

7. The high-speed round R-corner single-edge milling cutter according to claim 1, wherein the cutter shank (1), the cutter head edge (2) and the cutter shank guide angle (3) are all fixedly connected.

8. The high-speed round R-angle single-edge milling cutter according to claim 1, wherein the outsides of the shank (1), the tool bit edge (2), and the shank guide angle (3) are each provided with a hydrogen-free colored DLC coating film having a thickness of 0.1 to 0.2 um.