CN214291043U

CN214291043U - Rough and fine integrated combined tool

Info

Publication number: CN214291043U
Application number: CN202023197064.5U
Authority: CN
Inventors: 刘清华
Original assignee: Xiamen Yanye Precision Tools Co ltd
Current assignee: Xiamen Yanye Precision Tools Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-28
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a rough and fine combined cutter, which comprises a cutter handle, four cutter teeth, four chip grooves and four peripheral edges, wherein the four cutter teeth are positioned on one end part of the cutter handle and are distributed one by one along the circumferential direction, the four chip grooves are positioned on the side wall of the cutter handle and are matched with the cutter teeth, and the four peripheral edges are integrated with the cutter teeth; the first cutter tooth and the third cutter tooth are fine cutter teeth, the second cutter tooth and the fourth cutter tooth are coarse cutter teeth, an included angle between the first cutter tooth and the second cutter tooth is 85 degrees, an included angle between the second cutter tooth and the third cutter tooth is 95 degrees, an included angle between the third cutter tooth and the fourth cutter tooth is 85 degrees, and an included angle between the fourth cutter tooth and the first cutter tooth is 95 degrees. The device has simple structure and convenient use.

Description

Rough and fine integrated combined tool

Technical Field

The utility model belongs to the technical field of the cutter and specifically relates to a thick smart gang tool is related to.

Background

A tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. 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.

For a workpiece to be machined to be finished, two cutters are needed, wherein the two cutters are usually used for rough milling and then finish milling.

When the milling cutter works, particularly when the end milling cutter with four cutter teeth works, because the four cutter teeth are uniformly distributed, only one cutter tooth acts on a workpiece to be machined at each moment of working, the end face of the end milling cutter is unevenly stressed, the cutter vibrates, even the resonance of the cutter is caused, the cutter or the cutter teeth are easily broken after a long time, the service life of the cutter is greatly reduced, and therefore a new cutter which effectively reduces the resonance and is stable in working balance needs to be developed.

Disclosure of Invention

In view of the above, a rough and fine combined tool with simple structure and convenient use is needed.

In order to solve the technical problem, the technical scheme of the utility model is that: a rough and fine combined cutter comprises a cutter handle, four cutter teeth, four chip grooves and four peripheral edges, wherein the cutter teeth are positioned on one end part of the cutter handle and are distributed one by one along the circumferential direction, the four chip grooves are positioned on the side wall of the cutter handle and are matched with the cutter teeth, the four peripheral edges are integrated with the cutter teeth, the four cutter teeth are respectively defined as a first cutter tooth, a second cutter tooth, a third cutter tooth and a fourth cutter tooth, the first cutter tooth and the third cutter tooth are centrosymmetric about the center of a circle on the end part of the cutter handle, and the second cutter tooth and the fourth cutter tooth are centrosymmetric about the center of a circle on the end part of the cutter handle; the first cutter tooth and the third cutter tooth are fine cutter teeth, the second cutter tooth and the fourth cutter tooth are coarse cutter teeth, an included angle between the first cutter tooth and the second cutter tooth is 85 degrees, an included angle between the second cutter tooth and the third cutter tooth is 95 degrees, an included angle between the third cutter tooth and the fourth cutter tooth is 85 degrees, and an included angle between the fourth cutter tooth and the first cutter tooth is 95 degrees.

Furthermore, the peripheral edge and the corresponding cutter tooth are divided into a fine cutter peripheral edge and a coarse cutter peripheral edge.

Further, a chip flute between the first cutter tooth and the second cutter tooth and a chip flute between the third cutter tooth and the fourth cutter tooth are all defined as a first chip flute, the helical angle of the first chip flute is 35 degrees, the chip flute between the second cutter tooth and the third cutter tooth and the chip flute between the fourth cutter tooth and the first cutter tooth are all defined as a second chip flute, and the helical angle of the second chip flute is 38 degrees.

Further, the circumferential edge rake angles of the first cutter tooth, the second cutter tooth, the third cutter tooth and the fourth cutter tooth are all 6 degrees.

Further, the four cutter teeth are arranged in a central blade shape.

Further, the first relief angles of the circular blades of the second cutter tooth and the fourth cutter tooth are both 13 degrees, and the second relief angles of the circular blades are both 25 degrees.

Compared with the prior art, the utility model discloses following beneficial effect has: the device can finish rough milling and finish milling at one time, simultaneously ensures the stability of the cutter during processing, and has simple structure and convenient use.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of an end face cutter tooth according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the embodiment of the present invention after the knife teeth are removed.

In the figure: 1-knife handle, 2-first chip groove, 3-second chip groove, 4-first knife tooth, 5-second knife tooth, 6-third knife tooth, 7-fourth knife tooth, 8-fine knife peripheral edge, 9-coarse knife peripheral edge, a-helical angle of first chip groove, B-helical angle of second chip groove, C-first relief angle of circular edge, d-second relief angle of circular edge, e-front angle of circular edge, A-blade width, B-width of rear knife face and C-depth of back-carving.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-3, a rough and fine combined tool comprises a tool shank 1, four tool teeth which are positioned on one end of the tool shank 1 and distributed one by one along the circumferential direction, four chip pockets which are positioned on the side wall of the tool shank and matched with the tool teeth, and four peripheral edges which are integrated with the tool teeth; the four cutter teeth are respectively defined as a first cutter tooth 4, a second cutter tooth 5, a third cutter tooth 6 and a fourth cutter tooth 7, wherein the first cutter tooth 4 and the third cutter tooth 6 are centrosymmetric about the center of a circle at the end part of the cutter handle, and the second cutter tooth 5 and the fourth cutter tooth 7 are centrosymmetric about the center of a circle at the end part of the cutter handle; the first cutter tooth 4 and the third cutter tooth 6 are fine cutter teeth, and the second cutter tooth 5 and the fourth cutter tooth 7 are coarse cutter teeth; the included angle between the first cutter tooth 4 and the second cutter tooth 5 is 85 degrees, the included angle between the second cutter tooth 5 and the third cutter tooth 6 is 95 degrees, the included angle between the third cutter tooth 6 and the fourth cutter tooth 7 is 85 degrees, and the included angle between the fourth cutter tooth 7 and the first cutter tooth 4 is 95 degrees.

In this embodiment, the chip flutes between the first tooth 4 and the second tooth 5 and the chip flutes between the third tooth 6 and the fourth tooth 7 are all defined as a first chip flute 2, the helical angle a of the first chip flute 2 is 35 °, the chip flutes between the second tooth 5 and the third tooth 6 and the chip flutes between the fourth tooth 7 and the first tooth 4 are all defined as a second chip flute 3, and the helical angle b of the second chip flute 3 is 38 °.

In this embodiment, the peripheral edge and the corresponding tooth are divided into a fine peripheral edge 8 and a coarse peripheral edge 9. Thereby ensuring that the processed side wall of the workpiece to be processed can also be roughly and finely processed.

In the embodiment, the circumferential edge rake angles e of the first cutter tooth 4, the second cutter tooth 5, the third cutter tooth 6 and the fourth cutter tooth 7 are all 6 °.

In this embodiment, the four teeth are arranged in a center blade shape.

In this embodiment, the first relief angles c of the circular edges of the second teeth 5 and the fourth teeth 7 are both 13 °, and the second relief angles d of the circular edges are both 25 °.

In the embodiment, the land widths a of the second cutter tooth 5 and the fourth cutter tooth 7 are both 1.56mm, and the flank width B is both 0.17 mm.

In this embodiment, the back-carving depths C of the first cutter tooth 4 and the third cutter tooth 6 are both 0.3 mm.

This device is through arranging four sword teeth at handle of a knife tip partition not for the cutter is at the during operation, and same moment has two symmetrical sword teeth to process the work piece simultaneously, guarantees the stability among the cutter processing engineering, avoids the cutter to produce resonance, has prolonged the life of cutter.

Meanwhile, the finish milling cutter and the rough milling cutter are integrated on one cutter, so that rough milling and finish milling are completed simultaneously, and the production efficiency is effectively improved.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. A rough and fine combined tool is characterized in that: the four knife teeth are respectively defined as a first knife tooth, a second knife tooth, a third knife tooth and a fourth knife tooth, wherein the first knife tooth and the third knife tooth are centrosymmetric about the center of a circle at the end part of the knife handle, and the second knife tooth and the fourth knife tooth are centrosymmetric about the center of a circle at the end part of the knife handle; the first cutter tooth and the third cutter tooth are fine cutter teeth, the second cutter tooth and the fourth cutter tooth are coarse cutter teeth, an included angle between the first cutter tooth and the second cutter tooth is 85 degrees, an included angle between the second cutter tooth and the third cutter tooth is 95 degrees, an included angle between the third cutter tooth and the fourth cutter tooth is 85 degrees, and an included angle between the fourth cutter tooth and the first cutter tooth is 95 degrees.

2. The roughing-finishing integrated gang tool of claim 1, wherein: the peripheral edge and the corresponding cutter tooth are divided into a fine cutter peripheral edge and a coarse cutter peripheral edge.

3. The roughing-finishing integrated gang tool of claim 1, wherein: the chip flute between the first cutter tooth and the second cutter tooth and the chip flute between the third cutter tooth and the fourth cutter tooth are both defined as a first chip flute, the helical angle of the first chip flute is 35 degrees, the chip flute between the second cutter tooth and the third cutter tooth and the chip flute between the fourth cutter tooth and the first cutter tooth are both defined as a second chip flute, and the helical angle of the second chip flute is 38 degrees.

4. The roughing-finishing integrated gang tool of claim 1, wherein: the front angles of the circumferential edges of the first cutter tooth, the second cutter tooth, the third cutter tooth and the fourth cutter tooth are all 6 degrees.

5. The roughing-finishing integrated gang tool of claim 1, wherein: the four cutter teeth are arranged in a central blade shape.

6. The roughing-finishing integrated gang tool of claim 1, wherein: the first back angles of the circular blades of the second cutter tooth and the fourth cutter tooth are both 13 degrees, and the second back angles of the circular blades are both 25 degrees.