CN218015833U

CN218015833U - Multipurpose cutting blade capable of rotating

Info

Publication number: CN218015833U
Application number: CN202221653027.7U
Authority: CN
Inventors: 尹华洪
Original assignee: Hunan Moore Cemented Carbide Co ltd
Current assignee: Hunan Moore Cemented Carbide Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-13
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a but transposition multipurpose cutting blade of machining cutter technical field, body including the blade, the body intermediate position is equipped with the centre bore, be equipped with the apex angle of upper surface, lower surface, side circular arc and three different angles on the body, it is three the angle of apex angle is 35 degrees, 55 degrees, 90 degrees in proper order, every be equipped with the cutting unit on the apex angle, the cutting unit includes circular arc main cutting edge, side sword, rake face, sword broadside, disconnected bevel. The utility model has the advantages that: the utility model provides a multipurpose cutting blade, solves the more single problem of current blade processing usage, and three apex angle of this blade can be 90 degrees, 55 degrees, 35 degrees respectively, corresponds the processing usage of three kinds of blades of S type, D type, V type respectively, and S type blade mainly is applied to excircle processing, and the D type is mainly applied to excircle, terminal surface processing, and the V type is mainly applied to contour machining.

Description

Indexable multipurpose cutting blade

Technical Field

The utility model relates to a machining cutter technical field specifically is an indexable multipurpose cutting blade.

Background

Cutting tools are tools used in machining for cutting operations. Most knives are machine, but also hand-held. Since tools used in machine manufacturing are basically used for cutting metal materials, the term "tool" is generally understood to mean a metal cutting tool.

Indexable inserts currently in use are used for a single machining application, resulting in fewer inserts for multiple uses.

To solve the above problems, we have therefore proposed an indexable multipurpose cutting insert.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an indexable multipurpose cutting blade, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:

the utility model provides an indexable multipurpose cutting blade, body including the blade, the body intermediate position is equipped with the centre bore, be equipped with the apex angle of upper surface, lower surface, side circular arc and three different angles on the body, it is three the angle of apex angle is 35 degrees, 55 degrees, 90 degrees, every in proper order be equipped with the cutting unit on the apex angle, the cutting unit includes circular arc main cutting edge, side sword, rake face, sword wide face and disconnected cutting face.

In the indexable multipurpose cutting insert, an included angle formed by the upper surface of the 90-degree vertex angle and the rake face is defined as alpha, the alpha is 5-20 degrees, an included angle formed by the upper surface of the 90-degree vertex angle and the cutting face is defined as beta, the beta is 15-40 degrees, the width of the chip removal groove at the 90-degree vertex angle is L, the L is 1.2-2.5mm, the width of the edge at the 90-degree vertex angle is I, the I is 0.05-0.3mm, the arc radius of the tool nose is R0, and the R0 is 0.2-1.2mm.

In the indexable multipurpose cutting insert, an included angle formed between the upper surface of the 55-degree vertex angle and the rake face is α 1, α 1 is 5-30 degrees, an included angle formed between the upper surface of the 55-degree vertex angle and the cutting face is β 1, β 1 is 10-40 degrees, the width of the chip removal groove of the 55-degree vertex angle is L1, L1 is 1.2-2.5mm, the width of the edge of the 55-degree vertex angle is I1, I1 is 0.05-0.4mm, the circular arc radius of the cutter tip is R1, and R1 is 0.2-1.2mm.

In the indexable multipurpose cutting insert, an included angle formed between the upper surface of the 35-degree vertex angle and the rake face is α 2, α 2 is 5-30 degrees, an included angle formed between the upper surface of the 35-degree vertex angle and the cutting face is β 2, β 2 is 5-30 degrees, the chip removal groove width of the 35-degree vertex angle is L2, L2 is 1.5-3mm, the edge width of the 35-degree vertex angle is I2, I2 is 0.05-0.4mm, the arc radius of the tool nose is R2, and R2 is 0.2-2.4mm.

In an indexable utility cutting insert as described above, the body has a relief angle θ of 0 to 15 degrees, and the body has an inscribed circle D of 6.35 to 12.7mm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a multipurpose cutting blade, solves the more single problem of current blade processing usage, and three apex angle of this blade can be 90 degrees, 55 degrees, 35 degrees respectively, corresponds the processing usage of three kinds of blades of S type, D type, V type respectively, and S type blade mainly is applied to excircle processing, and the D type is mainly applied to excircle, terminal surface processing, and the V type is mainly applied to contour machining.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 isbase:Sub>A schematic partial cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic partial cross-sectional view taken at B-B of FIG. 2;

fig. 5 is a schematic partial cross-sectional view at C-C in fig. 2.

In the figure: 1-upper surface, 2-side surface, 3-side surface circular arc, 4-center hole, 5-lower surface, 6-circular arc main cutting edge, 7-side surface edge, 8-front cutter surface, 9-edge width surface and 10-broken cutting surface.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1 to 5, the present embodiment provides a technical solution: an indexable multipurpose cutting insert comprises a trilateral shaped body with a central bore 4 in the middle of the body. The blade body mainly constitutes for the apex angle of upper surface 1, lower surface 5, side 2, side circular arc 3 and three different angles, and the angle of three apex angle is 35 degrees, 55 degrees, 90 degrees in proper order.

Each vertex angle is provided with a cutting unit which comprises an arc main cutting edge 6, a side edge 7, a rake face 8, an edge width face 9 and a cutting face 10.

And after being cut along the bisector of the vertex angle, the included angle formed by the upper surface of the 90-degree vertex angle and the rake face is alpha, the alpha is 5-20 degrees, and the angle is 15 degrees in the example. The upper surface forms an angle beta with the fracture surface, beta is 15-40 degrees, in this example 25 degrees. The chip removal groove with 90-degree vertex angle has the width L of 1.2-2.5mm, and the width of the chip removal groove is 1.5mm in the example. The 90 degree corner edge width is I, which is 0.05-0.3mm, in this example 0.15mm. The arc radius of the nose is R0, R0 is 0.2-1.2mm, in this example 0.8mm.

The included angle formed by the upper surface of the 55-degree vertex angle and the rake face is alpha ₁ ，α ₁ From 5 to 30 degrees, in this example 15 degrees. The upper surface and the cutting surface form an included angle of beta ₁ ，β ₁ From 10 to 40 degrees, in this example 20 degrees. The chip removal groove with the vertex angle of 55 degrees has the width of L ₁ ，L ₁ 1.2-2.5mm, 2mm in this example. The edge width of the 55-degree vertex angle is I ₁ ,I ₁ 0.05-0.4mm, 0.15mm in this example. The radius of the arc of the tool nose is R ₁ ,R ₁ From 0.2 to 1.2mm, in this case 0.8mm.

The included angle formed by the upper surface of the 35-degree vertex angle and the rake face is alpha ₂ ，α ₂ From 5 to 30 degrees, in this example 15 degrees. The upper surface and the cutting surface form an included angle beta ₂ ，β ₂ From 5 to 30 degrees, 10 degrees in this example. The chip removal groove with 35-degree vertex angle has the width of L ₂ ，L ₂ 1.5-3mm, 2.5mm in this example. The edge width of the 35-degree vertex angle is I ₂ ,I ₂ 0.05-0.4mm, 0.15mm in this example. The radius of the arc of the tool nose is R ₂ ,R ₂ From 0.2 to 2.4mm, in this case 0.8mm.

The cutting insert has a clearance angle theta of 0-15 degrees, in this example 7 degrees. The inscribed circle of the blade is D, which is 6.35-12.7mm, 9.525mm in this example.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The multipurpose cutting blade capable of being turned is characterized by comprising a blade body, wherein a center hole (4) is formed in the middle of the blade body, an upper surface (1), a lower surface (5), a side surface (2), a side circular arc (3) and three vertex angles with different angles are arranged on the blade body, the vertex angles are 35 degrees, 55 degrees and 90 degrees in sequence, each vertex angle is provided with a cutting unit, and each cutting unit comprises a circular arc main cutting edge (6), a side edge (7), a front cutter surface (8), an edge width surface (9) and a cutting surface (10).

2. An indexable multi-purpose cutting insert according to claim 1, wherein the angle formed by the top surface (1) at the 90 degree vertex angle and the rake surface (8) is defined as α, said α is 5-20 degrees, the angle formed by the top surface (1) at the 90 degree vertex angle and the cutting surface (10) is defined as β, said β is 15-40 degrees, the width of the chip removal groove at the 90 degree vertex angle is L, said L is 1.2-2.5mm, the width of the edge at the 90 degree vertex angle is I, said I is 0.05-0.3mm, and the radius of the circular arc of the tip is R ₀ Said R is ₀ Is 0.2-1.2mm.

3. An indexable multi-purpose cutting insert according to claim 1, wherein the upper surface (1) with the top angle of 55 degrees forms an angle α with the rake surface (8) ₁ Said α is ₁ Is 5-30 degrees, and the included angle formed by the upper surface (1) with the apex angle of 55 degrees and the cutting surface (10) is beta ₁ Said beta is ₁ Is 10-40 degrees, and the chip removal groove with the 55-degree vertex angle has the width of L ₁ Said L is ₁ 1.2-2.5mm, and the edge width of the vertex angle of 55 degrees is I ₁ Said I is ₁ 0.05-0.4mm, and the arc radius of the tool nose is R ₁ Said R is ₁ Is 0.2-1.2mm.

4. An indexable multi-purpose cutting insert according to claim 1, wherein the upper surface (1) with the 35 ° top angle forms an angle α with the rake surface (8) ₂ Said α is ₂ Is 5-30 degrees, and the included angle formed by the upper surface (1) with the 35-degree vertex angle and the cutting surface (10) is beta ₂ ，β ₂ Is 5-30 degrees, and the width of the chip removal groove with the vertex angle of 35 degrees is L ₂ Said L is ₂ 1.5-3mm, and the edge width of the 35-degree vertex angle is I ₂ The said I ₂ 0.05-0.4mm, and the arc radius of the tool nose is R ₂ Said R is ₂ Is 0.2-2.4mm.

5. An indexable utility cutting insert according to claim 1 wherein the body has a relief angle θ of 0 to 15 degrees, the body inscribed circle is D of 6.35 to 12.7mm.