CN214161624U

CN214161624U - Circular saw blade with twenty-one helical teeth

Info

Publication number: CN214161624U
Application number: CN202022497206.3U
Authority: CN
Inventors: 周启元
Original assignee: Foshan Bojue Diamond Tools Co ltd
Current assignee: Foshan Bojue Diamond Tools Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-09-10
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a twenty-one helical tooth circular saw blade, which comprises an annular inner base body positioned at the inner side and an outer base body positioned outside the inner base body; the inner matrix and the outer matrix are fused by sintering; the novel cutting tool also comprises seven large chip flutes which are uniformly arranged in the axial direction, wherein the large chip flutes comprise first cutting flutes positioned on the outer base body and first chip guide flutes positioned on the inner base body; the small chip grooves are axially and uniformly formed and comprise second cutting grooves and second chip guide grooves, wherein the second chip guide grooves are formed in the joint of the outer base body and the inner base body, and the second cutting grooves penetrate through the outer base body from the second chip guide grooves in the radial direction. The utility model discloses a skewed tooth saw blade is from big chip groove, little chip groove through slope and space ground society, guarantees the chip removal effect and the water cooling effect at the cutting in-process to the life-span of cutting efficiency and saw bit has been improved greatly.

Description

Circular saw blade with twenty-one helical teeth

Technical Field

The utility model relates to a cutting equipment technical field especially relates to a skewed tooth saw blade with 21 teeth.

Background

The circular saw blade is a common cutting part, is installed on a cutting machine, and achieves the purpose of cutting by adopting high-speed rotation, and the common circular saw blade is an important tool for cutting hard materials such as ceramics, stones and the like. Conventional circular saw blades typically have 13-14 teeth and are ineffective at removing debris. The stone and the ceramic are easy to deform due to the accumulation of the scraps during cutting, so that the stone and the ceramic are not beautiful and durable; the chipping removal effect is poor, and it is also easy to cause the saw blade to generate high temperature, reducing the life of the saw blade and cutting stability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to overcome the defects and aims to provide a twenty-one helical tooth circular saw blade.

(II) technical scheme

In order to achieve the purpose, the twenty-one helical tooth circular saw blade comprises an annular inner base body positioned at the inner side and an outer base body positioned outside the inner base body; the inner matrix and the outer matrix are fused by sintering; the novel cutting tool also comprises seven large chip flutes which are uniformly arranged in the axial direction, wherein the large chip flutes comprise first cutting flutes positioned on the outer base body and first chip guide flutes positioned on the inner base body; the small chip grooves are axially and uniformly arranged and comprise second cutting grooves and second chip guide grooves, wherein the second chip guide grooves are formed in the joint of the outer base body and the inner base body, and the second cutting grooves penetrate through the outer base body from the second chip guide grooves in the radial direction; the tangent line of big chip groove and outer base member and the tangent line of little chip groove and outer base member all are an oblique angle a, and a satisfies:

60°≤a≤80°；

two small chip grooves are uniformly arranged between the adjacent large chip grooves.

Further, the first chip guide groove is in a long round hole shape; the end of the first chip guide groove is in smooth transition connection with a first chip groove, and the first chip groove penetrates through the outer matrix.

Furthermore, the second chip guide groove is in a water drop shape, and the tip of the second chip guide groove is in smooth transition connection with the first chip guide groove.

Further, the inner matrix is an annular manganese steel sheet.

Furthermore, the outer matrix is formed by pressing metal powder and is integrally sintered with the inner matrix.

Furthermore, the thickness of the circular saw blade is 1.6mm-3mm, and the overall diameter is 180mm-210 mm.

(III) advantageous effects

Compared with the prior art, the technical scheme of the utility model have following advantage: the utility model discloses a skewed tooth saw blade is from big chip groove, little chip groove through slope and space ground society, guarantees the chip removal effect and the water cooling effect at the cutting in-process to the life-span of cutting efficiency and saw bit has been improved greatly.

Drawings

Fig. 1 is a schematic structural view of the twenty-one helical circular saw blade of the present invention;

fig. 2 is an enlarged view of a portion of fig. 1A.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the twenty-one helical circular saw blade of the present invention comprises an annular inner base 1 located inside and an outer base 2 located outside the inner base 1; the inner matrix 1 and the outer matrix 2 are fused by sintering; the novel cutting tool also comprises seven large chip flutes 3 which are uniformly arranged in the axial direction, wherein each large chip flute 3 comprises a first chip flute 4 positioned on the outer matrix 2 and a first chip guide flute 5 positioned on the inner matrix 1; the small chip flutes 6 are uniformly arranged in the axial direction, each small chip flute 6 comprises a second cutting groove 7 and a second chip guide groove 8, each second chip guide groove 8 is formed in the joint of the outer base body 2 and the inner base body 1, and each second cutting groove 7 penetrates through the outer base body 2 from the corresponding second chip guide groove 8 in the radial direction; the tangent line of the large chip groove 3 and the outer matrix 2 and the tangent line of the small chip groove 6 and the outer matrix 2 are oblique angles a, a satisfies:

60°≤a≤80°；

two small chip grooves 6 are uniformly arranged between the adjacent large chip grooves 3.

Further, the first chip guide groove 5 is in a long round hole shape; the ends of the first chip flutes 5 are connected in a smooth transition to first chip flutes 4, which first chip flutes 4 extend through the outer basic body 2.

The second chip guide groove 8 is in a water drop shape, and the tip of the second chip guide groove 8 is in smooth transition connection with the first chip guide groove 4.

The inner matrix 1 is an annular manganese steel sheet which is mainly used for bearing severe working conditions such as impact, extrusion, material abrasion and the like and is suitable for being used as the inner matrix 1 of the saw blade.

The outer matrix 2 is formed by pressing metal powder and is integrally sintered with the inner matrix 1. The metal powder refers to a metal particle group with the size smaller than 1mm, and the wear-resistant outer matrix 22 is formed through sintering, so that the high-efficiency cutting efficiency is achieved.

The circular saw blade has a thickness of 1.6mm-3mm and an overall diameter of 180mm-210 mm.

The utility model discloses a skewed tooth saw blade is from big chip groove, little chip groove through slope and space ground society, guarantees the chip removal effect and the water cooling effect at the cutting in-process to the life-span of cutting efficiency and saw bit has been improved greatly.

As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.

Claims

1. A twenty-one helical circular saw blade, characterized in that: the device comprises an annular inner base body positioned on the inner side and an outer base body positioned outside the inner base body; the inner matrix and the outer matrix are fused by sintering; the novel cutting tool also comprises seven large chip flutes which are uniformly arranged in the axial direction, wherein the large chip flutes comprise first cutting flutes positioned on the outer base body and first chip guide flutes positioned on the inner base body; the small chip grooves are axially and uniformly arranged and comprise second cutting grooves and second chip guide grooves, wherein the second chip guide grooves are formed in the joint of the outer base body and the inner base body, and the second cutting grooves penetrate through the outer base body from the second chip guide grooves in the radial direction; the tangent line of big chip groove and outer base member and the tangent line of little chip groove and outer base member all are an oblique angle a, and a satisfies:

60°≤a≤80°；

2. The twenty-one helical circular saw blade as claimed in claim 1, wherein: the first chip guide groove is in a long round hole shape; the end of the first chip guide groove is in smooth transition connection with a first chip groove, and the first chip groove penetrates through the outer matrix.

3. The twenty-one helical circular saw blade as claimed in claim 2, wherein: the second chip guide groove is in a water drop shape, and the tip of the second chip guide groove is in smooth transition connection with the first chip guide groove.

4. The twenty-one helical circular saw blade as claimed in claim 3, wherein: the inner matrix is an annular manganese steel sheet.

5. The twenty-one helical circular saw blade as claimed in claim 4, wherein: the outer matrix is formed by pressing metal powder and is integrally sintered with the inner matrix.

6. The twenty-one helical circular saw blade as claimed in claim 5, wherein: the circular saw blade has a thickness of 1.6mm-3mm and an overall diameter of 180mm-210 mm.