WO2023142158A1

WO2023142158A1 - Efficient cutting tool tooth and cutting chain

Info

Publication number: WO2023142158A1
Application number: PCT/CN2022/075607
Authority: WO
Inventors: 邓伟
Original assignee: 苏州甘泰精密机械有限公司
Priority date: 2022-01-27
Filing date: 2022-02-09
Publication date: 2023-08-03
Also published as: CN114211051A

Abstract

An efficient cutting tool tooth and a cutting chain, the cutting tool tooth comprising a cutting head, a depth gauge, and a bottom. The top of the cutting head is an upper tool surface, the height of the upper tool surface in a cutting direction continuously increases, the cutting head has a cutting edge which is separated from the depth gauge by a cutting tooth groove, a cutting-in angle at the top of the cutting head is defined as C, a vertical drop difference between the highest point of the cutting edge and the highest point of the depth gauge is defined as a cutting depth H, an included angle between an edge face of the cutting edge and a vertical direction is defined as an edge cutting oblique angle A2, the edge face of the cutting edge is connected to the bottom, the depth gauge is located on a front side above the bottom, the cutting edge is located on a back side above the bottom, several linking holes are provided in the bottom in the cutting direction, and a distance between two adjacent linking holes is L. By means of structural improvements, the cutting capacity and efficiency of the cutting chain are greatly increased, the cutting chain is light and durable, the manufacturing costs are reduced, and a comfortable experience is provided for a user.

Description

A high-efficiency cutter tooth and its cutting chain

technical field

The invention belongs to the technical field of saw chains, and in particular relates to a high-efficiency cutting blade and its saw chain.

Background technique

The cutting blade is the most critical part in the cutting chain, and its design directly determines the cutting capacity and efficiency of the cutting chain. At present, the design and production of cutting teeth are very rough, resulting in low cutting capacity and high energy consumption of existing cutting chains. People are laborious and expensive in daily use, and the whole experience is very bad.

Contents of the invention

In order to solve the technical problems existing in the prior art, the object of the present invention is to provide a high-efficiency cutting blade and its cutting chain.

In order to achieve the above object and achieve the above technical effect, the technical solution adopted in the present invention is:

A high-efficiency cutting tooth, including a cutting head, a depth gauge and a bottom, the top of the cutting head is an upper face and the upper face is an inclined surface with increasing height along the cutting direction, the cutting head has a cutting edge, and the cutting edge passes through the The cutting gutters are separated from the depth gauge;

The included angle between the edge surface of the cutting edge and the direction perpendicular to the running direction is the edge cutting bevel angle A2, and the edge cutting bevel angle A2 is controlled between 3° and 50°, including 3° and 50°;

The cutting angle between the upper surface of the cutting head and the cutting surface is the cutting edge cutting angle A1, and the cutting edge cutting angle A1 is controlled between 30° and 50°, including 30° and 50°;

The cutting angle C at the top of the cutting head is controlled between 1° and 15°, including 1° and 15°;

The effective cutting width X of the cutting head is controlled between 1.0 and 2.85mm, including 1.0mm and 2.85mm;

The cutting back angle B2 of the cutting edge is controlled between 0.5° and 6°, including 0.5° and 6°.

Further, the edge surface of the cutting edge is connected to the bottom, the depth gauge is on the front side above the bottom, the cutting edge is on the rear side above the bottom, and the vertical drop between the highest point of the cutting edge and the highest point of the depth gauge is defined as the cutting depth H .

Further, the cutting depth H is controlled at 0.3-1.25 mm, including 0.3 mm and 1.25 mm.

Further, the end of the depth gauge close to the cutting edge is a high point, and the end far away from the cutting edge is a low point. The front side of the depth gauge has an arc-shaped structure, and the distance between the cutting edge and the depth gauge is in the shape of an arc.

Further, several connecting holes are provided on the bottom along the cutting direction, and the hole distance between two adjacent connecting holes is defined as L.

Further, the hole distance L between two adjacent link holes is 4.5-12.5mm, including 4.5mm and 12.5mm.

Further, the angle of the cutting angle C is adjusted according to different load requirements, and is used to reduce the cutting load by 40% or more; the angle of the cutting edge A1 is adjusted according to different load requirements, and is used to reduce the cutting load 40% and above; the angle of the cutting bevel angle A2 of the cutting edge is adjusted according to different load requirements, so as to reduce the cutting load by 40% or above.

The invention also discloses a cutting chain, which comprises the high-efficiency cutting teeth as described above.

The cutting chain disclosed by the present invention is composed of several high-efficiency cutting teeth which are first surrounded into a chain shape and then assembled by several driving link pieces and connecting pieces. Both ends of the cutting head are respectively connected with a link piece, and two adjacent drive link pieces are connected through the link piece.

Further, the effective cutting width X of the cutting chain is controlled between 1.0mm and 2.85mm, including 1.0mm and 2.85mm, and the effective cutting width X is adjusted according to different load requirements to reduce the cutting load by 40% or more; The angle between the cutting edge of the high-efficiency cutting blade and the direction perpendicular to the running direction is the edge cutting bevel angle A2, and the edge cutting bevel angle A2 is controlled between 3° and 50°, including 3° and 50° , the cutting angle between the upper surface of the cutting head of the high-efficiency cutting blade and the cutting surface is the cutting edge cutting angle A1, and the cutting edge cutting angle A1 is controlled between 30° and 50°, including 30° and 50°. The cutting angle C at the top of the cutting head is controlled between 1° and 15°, including 1° and 15°, and the cutting back angle B2 of the cutting edge is controlled between 0.5° and 6°, including 0.5° and 6°.

Compared with prior art, the beneficial effect of the present invention is:

The invention discloses a high-efficiency cutting tooth and its cutting chain, which greatly improves the cutting ability and efficiency of the cutting chain through structural improvement, and the cutting chain is light and durable, which saves production costs and brings comfortable experience to users. To achieve the dual effects of energy saving, environmental protection and economic benefits, the use of cutting teeth will push the entire chain cutting industry to a new level.

Description of drawings

Fig. 1 is the structural representation of cutting head of the present invention;

Fig. 2 is a side view of the present invention;

Fig. 3 is a schematic diagram of the top structure of the cutting head of the present invention;

Fig. 4 is the schematic diagram of cutting edge cutting angle of the present invention;

Fig. 5 is a structural schematic diagram of the cutting chain of the present invention.

Detailed ways

The present invention is described in detail below, so that the advantages and characteristics of the present invention can be more easily understood by those skilled in the art, so that the protection scope of the present invention can be defined more clearly.

A brief summary of one or more aspects is presented below to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all contemplated aspects and is intended to neither identify key or critical elements of all aspects nor attempt to delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

In the description of the present invention, the orientation or positional relationship indicated by the terms "inner", "outer", "vertical", "horizontal", "upper", "lower", "top", "bottom" etc. are based on the attached The orientations or positional relationships shown in the figures are only for the convenience of describing the present invention and do not require the present invention to be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

As shown in Figures 1-4, on the one hand, the present application discloses a high-efficiency cutting tooth, including a cutting head 1, a cutting tooth groove 3, a depth gauge 4 and a bottom 7. The top of the cutting head 1 is the upper face and the upper face The surface is an inclined surface with increasing height along the cutting direction. The angle between the highest point on the top of the cutting head 1 and the cutting running direction is the cutting angle C, and the angle range is controlled between 1° and 15°, including 1° and 15°. °, the cutting angle C can be adjusted according to different load requirements, and the cutting load can be reduced to less than 60% of the existing conventional cutting load. The cutting head 1 has a cutting edge 2 on one side, and the cutting edge 2 passes through the cutting tooth groove 3 and the depth The gauge 4 is separated, the end of the depth gauge 4 close to the cutting edge 2 is the high point, and the end far away from the cutting edge 2 is the low point, and the vertical drop between the highest point of the cutting edge 2 and the highest point of the depth gauge 4 determines the maximum cutting depth H, the cutting depth H is controlled at 0.3-1.25mm, including 0.3mm and 1.25mm, and several link holes 5 are provided along the cutting direction on the bottom 7, preferably two link holes are symmetrically opened on the bottom 7 of each cutting head 1 5. The hole distance L between two adjacent link holes 5 on each cutting head 1 is 4.5-12.5mm, including 4.5mm and 12.5mm; the range of the minimum thickness S of the control cutting blade teeth is 0.3-1.5 mm.

The edge surface of the cutting edge 2 is connected to the bottom 7, and the bottom 7 is adapted to the connecting piece 8. The depth gauge 4 is on the front side above the bottom 7. The front side of the depth gauge 4 is in an arc-shaped structure, and the cutting edge 2 is on the rear side above the bottom 7. The distance between the cutting edge 2 and the depth gauge 4 is in the shape of an arc, and the angle between the edge surface of the cutting edge 2 and the vertical plane (vertical direction) of the running direction is the edge cutting bevel angle A2, and the edge cutting angle is A2. Angle A2 is controlled between 3° and 50°, including 3° and 50°. The angle of cutting edge cutting bevel A2 can be adjusted according to different load requirements, and the cutting load can be reduced to less than 60% of the existing conventional cutting load; The cutting angle between the upper surface of the head 1 and the stroke of the cutting surface is the edge cutting angle A1, and the edge cutting angle A1 is controlled between 30° and 50°, including 30° and 50°. The angle of the edge cutting angle A1 can be determined according to Different load requirements can be adjusted, and the cutting load can be reduced to less than 60% of the existing conventional cutting load; the angle of the blade back angle B1 can be adjusted according to different load requirements, and the cutting load can be reduced to less than 60% of the existing conventional cutting load , the cutting edge back angle B1 is the angle between the top of the cutting edge 2 and the cutting running direction; the cutting back angle B2 is the included angle between the bottom of the cutting edge 2 and the cutting running direction, which is controlled between 0.5° and 6°, including 0.5° and 6° °; The effective cutting width X is controlled between 1.0 and 2.85mm, including 1.0mm and 2.85mm. The effective cutting width X can be adjusted according to different load requirements, and the cutting load can be reduced to less than 60% of the existing conventional cutting load.

On the other hand, the present application also discloses a cutting chain, which is assembled by several high-efficiency cutting teeth in a chain shape and then through several driving link pieces 6 and connecting pieces 8, which can realize high-efficiency cutting, and the cutting capacity is higher than The existing conventional chain is improved by at least 30%, the work efficiency is high, and the operation comfort of the user can be ensured, as shown in FIG. 5 .

Two link holes 5 are also symmetrically opened on each drive link piece 6 , and the cutting head 1 is connected to the drive link piece 6 by passing through the rivets etc. of the link holes 5 on the cutting head 1 and the drive link piece 6 , the two ends of each cutting head 1 are respectively connected with a link piece 6, and two link holes 5 are also symmetrically opened on each link piece 8, and the rivets etc. pass through the drive link piece 6 and the link hole 5 on the link piece 8 The connection between two adjacent driving link pieces 6 is realized through the connection piece 8 .

The cutting head 1, the drive link 6 and the link hole 5 on the link 8 are compatible.

In the cutting chain disclosed by the present invention, the included angle between the blade surface of the cutting edge 2 and the direction perpendicular to the running direction is the edge cutting bevel angle A2, and the edge cutting bevel angle A2 is controlled between 3° and 50°, including 3° and 50°; the cutting angle between the upper surface of the cutting head 1 and the cutting surface is the cutting edge cutting angle A1, and the cutting edge cutting angle A1 is controlled between 30° and 50°, including 30° and 50°; the top of the cutting head 1 The cutting angle C is controlled between 1° and 15°, including 1° and 15°; the effective cutting width X of the cutting head 1 is controlled between 1.0 and 2.85mm, including 1.0mm and 2.85mm; the cutting back angle of the cutting edge 2 B2 is controlled between 0.5° and 6°, including 0.5° and 6°.

Parts or structures not specifically described in the present invention are made using existing technologies, and those skilled in the art can obtain certain structures on the basis of existing technologies, which will not be repeated here.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the content of the description of the present invention, or directly or indirectly used in other related technical fields, shall be The same reasoning is included in the patent protection scope of the present invention.

Claims

A high-efficiency cutting tooth is characterized in that it includes a cutting head, a depth gauge and a bottom. , the cutting edge is separated from the depth gauge by a cutting tooth groove;

The included angle between the edge surface of the cutting edge and the direction perpendicular to the running direction is the edge cutting bevel angle A2, and the edge cutting bevel angle A2 is controlled between 3° and 50°, including 3° and 50°;

The cutting angle between the upper surface of the cutting head and the cutting surface is the cutting edge cutting angle A1, and the cutting edge cutting angle A1 is controlled between 30° and 50°, including 30° and 50°;

The cutting angle C at the top of the cutting head is controlled between 1° and 15°, including 1° and 15°;

The effective cutting width X of the cutting head is controlled between 1.0 and 2.85mm, including 1.0mm and 2.85mm;

The cutting back angle B2 of the cutting edge is controlled between 0.5° and 6°, including 0.5° and 6°.
A high-efficiency cutting tooth according to claim 1, wherein the blade surface of the cutting edge is connected to the bottom, the depth gauge is on the front side above the bottom, and the cutting edge is on the rear side above the bottom, defining the highest point of the cutting edge The vertical drop from the highest point of the depth gauge is the cutting depth H.
A high-efficiency cutting tooth according to claim 2, wherein the cutting depth H is controlled at 0.3-1.25mm, including 0.3mm and 1.25mm.
A high-efficiency cutting tooth according to claim 1, wherein the end of the depth gauge close to the cutting edge is a high point, and the end far away from the cutting edge is a low point, the front side of the depth gauge is in an arc-shaped structure, and the cutting edge The distance between the depth gauge and the shape is an arc shape.
A high-efficiency cutting tooth according to claim 1, characterized in that several link holes are provided on the bottom along the cutting direction, and the hole distance between two adjacent link holes is defined as L.
A high-efficiency cutting tooth according to claim 5, characterized in that the hole distance L between two adjacent link holes is 4.5-12.5mm, including 4.5mm and 12.5mm.
A high-efficiency cutting tooth according to claim 1, characterized in that, the angle of the cutting angle C is adjusted according to different load requirements, so as to reduce the cutting load by 40% or more; the cutting angle A1 The angle of A2 is adjusted according to different load requirements to reduce the cutting load by 40% or more; the angle of the cutting bevel A2 is adjusted according to different load requirements to reduce the cutting load by 40% or more.
A cutting chain, characterized in that it comprises a high-efficiency cutting tooth according to any one of claims 1-7.
A cutting chain according to claim 8, characterized in that, the cutting chain is formed by a plurality of high-efficiency cutting teeth first enclosing a chain shape and then assembled by several driving link pieces and connecting pieces, and the high-efficiency cutting The bottom of the cutter tooth is adapted to the connecting piece, and the two ends of each cutting head are respectively connected with a connecting piece, and the connection between two adjacent driving link pieces is realized through the connecting piece.
A cutting chain according to claim 9, characterized in that, the effective cutting width X of the cutting chain is controlled between 1.0-2.85mm, including 1.0mm and 2.85mm, and the effective cutting width X is matched according to different load requirements Adjustment is used to reduce the cutting load by 40% or more; the angle between the blade surface of the cutting edge of the high-efficiency cutting blade and the direction perpendicular to the running direction is the edge cutting bevel angle A2, and the edge cutting bevel angle A2 is controlled at Between 3° and 50°, including 3° and 50°, the cutting angle between the upper surface of the cutting head and the cutting surface of the high-efficiency cutting blade is the cutting edge cutting angle A1, and the cutting edge cutting angle A1 is controlled at 30-50° °, including 30° and 50°, the cutting angle C at the top of the cutting head is controlled between 1° and 15°, including 1° and 15°, and the cutting back angle B2 of the cutting edge is controlled at 0.5-6 °, including 0.5° and 6°.