CN108687976B - Stone cutting tool - Google Patents
Stone cutting tool Download PDFInfo
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- CN108687976B CN108687976B CN201810490574.XA CN201810490574A CN108687976B CN 108687976 B CN108687976 B CN 108687976B CN 201810490574 A CN201810490574 A CN 201810490574A CN 108687976 B CN108687976 B CN 108687976B
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- Prior art keywords
- cutter
- layer
- inner layer
- stone
- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
Abstract
The invention provides a stone cutting tool, which comprises a cutter shaft and a cutter body, wherein the cutter body is fixed on the peripheral surface of the cutter shaft in a disc shape by sintering, welding or chemical vapor deposition, the cutter body is in a laminated structure consisting of a cutter inner layer, a cutter intermediate layer and a cutter outer layer from inside to outside, the outer peripheral profile of the cutter inner layer forms an inner layer blade, the outer peripheral profile of the cutter intermediate layer forms an intermediate layer blade, the outer peripheral profile of the cutter outer layer forms an outer layer blade, and the outer layer blade, the intermediate layer blade and the inner layer blade are sequentially connected end to form a non-closed continuous blade curve. By adopting the technical scheme of the invention, the inner layer of the cutter, the middle layer of the cutter and the outer layer of the cutter sequentially enter the stone workpiece for cutting, so that the cutting processing speed is favorably improved, stone chips are easily discharged, the cutting heat is easily dissipated into the air, the hardness and toughness of the cutter are improved, the service life of the cutter is prolonged, the cutter is prevented from being burnt out, and the processing quality and the production efficiency of the workpiece are improved.
Description
Technical Field
The invention belongs to the technical field of stone processing technological equipment, and particularly relates to a stone cutting tool.
Background
With the development of the stone processing industry, the demand of cutting tools required to be used in the stone processing process is increasing day by day, and various cutting tools for cutting stone are provided in the current market. In general, most of the conventional cutting tools are composed of a cutter wheel made of solid cemented carbide, which rolls on glass and cuts the glass by using a cutting edge with a sharp corner, and the service life of the glass on industry is about 15 ten thousand meters, and is generally 5 to 6 ten thousand meters. The life of these knives is still not well met. For example, publication numbers are: the patent document "CN 202200407U" discloses a cutting tool for cutting glass, ceramic tiles, or stone, which has a disk-shaped cutter wheel having an inner layer of polycrystalline diamond arranged in a stack and two outer layers of metal arranged on both sides of the inner layer of polycrystalline diamond, respectively, the two outer layers of metal sandwiching and fixing the inner layer of polycrystalline diamond therebetween, the inner layer of polycrystalline diamond being formed with cutting edges along its circumferential direction for cutting the glass, ceramic tiles, or stone, wherein the outer diameter of the cutting edges is larger than the outer diameter of the outer layers of metal. Adopt the technical scheme of this patent, polycrystalline diamond material has been used in the introduction in the cutter, make the cutting ability of cutter improve greatly, however, this cutter is when using, because the carbide material heat conductivity that the cutter skin used is relatively poor, the produced cutting heat of cutter when using can't in time be discharged, make the cutter burn out easily, and because carbide material fragility is great, when cutter feed volume is great, the radial force that the cutter bore is great, the wearing and tearing of cutter have been aggravated, the life thereof has been influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a stone cutting tool;
the invention is realized by the following technical scheme;
the invention provides a stone cutting tool, which mainly comprises a cutter shaft and a cutter body, wherein the cutter body is fixed on the peripheral surface of the cutter shaft in a disc shape by sintering, welding or chemical vapor deposition, and is formed by a cutter inner layer, two cutter intermediate layers and two cutter outer layers which are arranged in a laminated structure from inside to outside along the axial direction of the cutter shaft, the cutter inner layer is arranged between the two cutter intermediate layers, the two cutter intermediate layers are arranged between the two cutter outer layers, the outer peripheral profile of the cutter inner layer forms an inner layer cutting edge, the outer peripheral profile of the cutter intermediate layer forms a middle layer cutting edge, the outer peripheral profile of the cutter outer layer forms an outer layer cutting edge, and the outer layer cutting edge, the middle layer cutting edge and the inner layer cutting edge are sequentially connected end to form a non.
The material of the cutter inner layer is polycrystalline diamond.
The cutter intermediate layer is made of high-speed steel with the mark number of W18Cr 4V.
The outer layer of the cutter is made of hard alloy, and the outer surface of the outer layer of the cutter is also coated with a TiN, TiC or CrN coating.
The inner layer cutting edges are symmetrically arranged on two sides by taking the radial section in the cutter body as a mirror surface, and the included angle between the inner layer cutting edges on the two sides ranges from 20 degrees to 40 degrees.
The projection of the middle layer cutting edge in the central axial section of the cutter body is a curve which is inwards concave towards one side of the central axis of the cutter, and the curvature radius range of the curve is 15mm to 30 mm.
The projection of the outer layer cutting edge in the central axial section of the cutter body is a curve which is outwards convex at one side deviating from the central axis of the cutter, and the curvature radius range of the curve is 15mm to 30 mm.
The thickness ratio of the cutter outer layer to the cutter intermediate layer to the cutter inner layer is as follows: ::1.
The cutter shaft is provided with a conical center hole which extends along the central axis of the cutter shaft and penetrates through two end faces of the cutter shaft, one side of the large end of the cutter shaft is the front face of the stone cutting cutter, and one side of the small end of the cutter shaft is the back face of the stone cutting cutter.
The material of the cutter shaft is made of modulation steel with the mark of 40 Cr.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the working part of the cutter, namely the cutter body, adopts a layered structure, each layer is made of materials with different properties, so that the strength of the cutter is greatly increased, when the cutter is used, the inner layer cutting edge firstly contacts a stone workpiece, the inner layer of the cutter is made of polycrystalline diamond materials with high hardness, the projection of the inner layer cutting edge in the central axial section of the cutter body is a broken line segment, so that the inner layer cutting edge can be cut into the stone more quickly, the stone cutting efficiency is improved, the middle layer cutting edge is also contacted with the surface of the stone workpiece as the cutter continuously penetrates into the stone, at the moment, the projection of the middle layer cutting edge in the central axial section of the cutter body is a curve, so that stone chips generated in the cutting process are easier to discharge, the contact area between the cutter body and the outside air is larger, and the cutting heat is easier to be radiated into the, the middle layer of the cutter is made of high-speed steel, the middle layer of the cutter has high hardness and good toughness, and can bear enough radial force, so that the service life of the cutter is prolonged, further, the outer layer of the cutter is also in contact with the surface of the stone along with the further penetration of the stone cutting, the outer layer of the cutter is made of hard alloy, the outer surface of the cutter is coated with a coating, the heat dissipation capacity of the cutter is enhanced, the cutting edge is positioned on the outermost layer, and the cutting edge is greatly reduced when being transmitted to the outer layer of the cutter, so that the outer layer of the cutter is prevented from being burnt out, the outer layer of the cutter has high hardness, the outer layer of the cutter is favorable for taking out burrs on the surface of a cutting.
Drawings
FIG. 1 is a front view of the stone cutting tool of the present invention;
FIG. 2 is a schematic view of the stone cutting tool of the present invention pressed along the central axis of the arbor;
fig. 3 is a partially enlarged view of the body structure of the stone cutting tool of the present invention.
In the figure: 1-cutter shaft, 2-cutter body, 101-conical central hole, 201-cutter inner layer, 202-cutter intermediate layer, 203-cutter outer layer, 204-inner layer blade, 205-intermediate layer blade and 206-outer layer blade.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited thereto;
the invention provides a stone cutting tool, as shown in fig. 1, fig. 2 and fig. 3, comprising a cutter shaft 1 and a cutter body 2, wherein the cutter body 2 is fixed on the peripheral surface of the cutter shaft 1 by sintering, welding or chemical vapor deposition, and is in a disc shape, and is formed by a cutter inner layer 201, a two-layer cutter intermediate layer 202 and a two-layer cutter outer layer 203 which are arranged in a laminated structure from inside to outside along the axial direction of the cutter shaft 1, the cutter inner layer 201 is arranged between the two-layer cutter intermediate layer 202, the two-layer cutter intermediate layer 202 is arranged between the two-layer cutter outer layer 203, an inner layer blade 204 is formed by the peripheral profile of the cutter inner layer 201, a middle layer blade 205 is formed by the peripheral profile of the cutter intermediate layer 202, an outer layer blade 206 is formed by the peripheral profile of the cutter outer layer 203, and the outer.
By adopting the technical scheme of the invention, the working part of the cutter, namely the cutter body, adopts a layered structure, each layer is made of materials with different properties, so that the strength of the cutter is greatly increased, when the cutter is used, the inner layer cutting edge firstly contacts a stone workpiece, the inner layer of the cutter is made of polycrystalline diamond materials with high hardness, the projection of the inner layer cutting edge in the central axial section of the cutter body is a broken line segment, so that the inner layer cutting edge can be cut into the stone more quickly, the stone cutting efficiency is improved, the middle layer cutting edge is also contacted with the surface of the stone workpiece as the cutter continuously penetrates into the stone, at the moment, the projection of the middle layer cutting edge in the central axial section of the cutter body is a curve, so that stone chips generated in the cutting process are easier to discharge, the contact area between the cutter body and the outside air is larger, and the cutting heat is easier to be radiated into the, the middle layer of the cutter is made of high-speed steel, the middle layer of the cutter has high hardness and good toughness, and can bear enough radial force, so that the service life of the cutter is prolonged, further, the outer layer of the cutter is also in contact with the surface of the stone along with the further penetration of the stone cutting, the outer layer of the cutter is made of hard alloy, the outer surface of the cutter is coated with a coating, the heat dissipation capacity of the cutter is enhanced, the cutting edge is positioned on the outermost layer, and the cutting edge is greatly reduced when being transmitted to the outer layer of the cutter, so that the outer layer of the cutter is prevented from being burnt out, the outer layer of the cutter has high hardness, the outer layer of the cutter is favorable for taking out burrs on the surface of a cutting.
Further, the material of the cutter inner layer 201 is polycrystalline diamond. The cutter intermediate layer 202 is made of high-speed steel with the brand number of W18Cr 4V. The material of the cutter outer layer 203 is hard alloy, and the outer surface of the cutter outer layer 203 is also coated with a TiN, TiC or CrN coating.
Further, the inner layer blades 204 are symmetrically arranged on two sides by taking the radial section in the cutter body 2 as a mirror surface, and the included angle between the inner layer blades 204 on the two sides ranges from 20 degrees to 40 degrees. The projection of the middle layer cutting edge 205 in the central axial section of the tool body 2 is a curve that is concave towards one side of the central axis of the tool and has a radius of curvature in the range of 15mm to 30 mm. The projection of the outer cutting edge 206 in the central axial section of the tool body 2 is a curve which is outwardly convex on the side facing away from the central axis of the tool and has a radius of curvature in the range of 15mm to 30 mm. By adopting the technical scheme of the invention, when the cutter is used, the inner layer cutting edge 204, the middle layer cutting edge 205 and the outer layer cutting edge 206 are sequentially contacted with the stone workpiece, the inner layer cutting edge 204 is a broken line segment in the radial section, so that the cutter is favorably guided to quickly feed and quickly enter the stone workpiece to finish cutting processing, the cutting processing efficiency is improved, the middle layer cutting edge 205 is a curve which is inwards concave in the radial section, so that stone chips generated in the processing are favorably guided to be discharged, the contact area with air is increased, the heat dissipation is favorably realized, the outer layer cutting edge 206 is finally added into a cutter working part to participate in the work, the burr at the cutting opening of the stone workpiece is favorably cleaned, the processing quality is improved, meanwhile, the outer layer of the cutter has higher hardness, the integral strength of the cutter is favorably improved, and the.
Further, the thickness ratio of the cutter outer layer 203, the cutter intermediate layer 202 and the cutter inner layer 201 is: 1.5-3: 1.5-2: 1. By adopting the technical scheme of the invention, the cutter has higher strength, meets the requirement of rapid feeding processing, and is beneficial to improving the production efficiency and reducing the production cost.
Further, the arbor 1 has a tapered center hole 101 extending along its central axis and penetrating both end faces thereof, and the large end side thereof is the front face of the stone cutter and the small end side thereof is the back face of the stone cutter. The material of the cutter shaft 1 is modulation steel with the mark of 40 Cr. By adopting the technical scheme of the invention, the cutter shaft 1 is provided with the conical central hole 101, so that the stone cutting cutter is convenient to mount, the cutter is fixedly mounted on a main shaft of a machine tool through the conical central hole 101, and when the central hole 101 is conical, part of radial force from the cutter can be converted into force for clamping the cutter, so that the cutter is prevented from falling off in the using process, and the use reliability of the cutter is improved.
Claims (8)
1. A stone material cutting tool which characterized in that: the cutter comprises a cutter shaft (1) and a cutter body (2), wherein the cutter body (2) is fixed on the peripheral surface of the cutter shaft (1) in a disc shape by sintering, welding or chemical vapor deposition, and is formed by a cutter inner layer (201), two cutter intermediate layers (202) and two cutter outer layers (203) which are arranged into a laminated structure from inside to outside along the axial direction of the cutter shaft (1), the cutter inner layer (201) is arranged between the two cutter intermediate layers (202), the two cutter intermediate layers (202) are arranged between the two cutter outer layers (203), the outer peripheral profile of the cutter inner layer (201) forms an inner layer cutting edge (204), the outer peripheral profile of the cutter intermediate layer (202) forms an intermediate layer cutting edge (205), the outer peripheral profile of the cutter outer layer (203) forms an outer layer cutting edge (206), the intermediate layer cutting edge (205), The inner layer cutting edges (204) are sequentially connected end to form a non-closed and continuous cutting edge curve, the projection of the middle layer cutting edges (205) in the central axial section of the cutter body (2) is a curve inwards concave towards one side of the central axis of the cutter, the curvature radius range of the curve is 15mm to 30mm, and the thickness ratio of the cutter outer layer (203) to the cutter middle layer (202) to the cutter inner layer (201) is as follows: (1.5-3): 1.5-2): 1.
2. The stone cutting tool of claim 1, wherein: the material of the cutter inner layer (201) is polycrystalline diamond.
3. The stone cutting tool of claim 1, wherein: the cutter intermediate layer (202) is made of high-speed steel with the mark of W18Cr 4V.
4. The stone cutting tool of claim 1, wherein: the material of the cutter outer layer (203) is hard alloy, and the outer surface of the cutter outer layer (203) is also coated with a TiN, TiC or CrN coating.
5. The stone cutting tool of claim 1, wherein: the inner layer cutting edges (204) are symmetrically arranged on two sides by taking the radial section of the middle part of the cutter body (2) as a mirror surface, and the included angle between the inner layer cutting edges (204) on the two sides ranges from 20 degrees to 40 degrees.
6. The stone cutting tool of claim 1, wherein: the projection of the outer layer cutting edge (206) in the central axial section of the cutter body (2) is a curve which is outwards convex at one side away from the central axis of the cutter, and the curvature radius of the curve ranges from 15mm to 30 mm.
7. The stone cutting tool of claim 1, wherein: the cutter shaft (1) is provided with a conical center hole (101) which extends along the central axis of the cutter shaft and penetrates through two end faces of the cutter shaft, one side of the large end of the cutter shaft is the front face of the stone cutting cutter, and one side of the small end of the cutter shaft is the back face of the stone cutting cutter.
8. The stone cutting tool of claim 1, wherein: the material of the cutter shaft (1) is modulation steel with the mark of 40 Cr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490574.XA CN108687976B (en) | 2018-05-21 | 2018-05-21 | Stone cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490574.XA CN108687976B (en) | 2018-05-21 | 2018-05-21 | Stone cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108687976A CN108687976A (en) | 2018-10-23 |
| CN108687976B true CN108687976B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490574.XA Expired - Fee Related CN108687976B (en) | 2018-05-21 | 2018-05-21 | Stone cutting tool |
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| Country | Link |
|---|---|
| CN (1) | CN108687976B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201371518Y (en) * | 2009-04-02 | 2009-12-30 | 姚光纯 | Cutting blade for processing arc-shaped product |
| CN202200407U (en) * | 2011-08-18 | 2012-04-25 | 深圳市中天精密工具有限公司 | Cutting tool for cutting glass, ceramic tiles or stones |
| CN105398124A (en) * | 2015-12-10 | 2016-03-16 | 河南广度超硬材料有限公司 | An intermediate medium for firmly connecting a cemented carbide cutter blade and a cutter body and a using method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3623273B2 (en) * | 1995-03-13 | 2005-02-23 | 旭ダイヤモンド工業株式会社 | Saw blade for asphalt pavement cutting |
| CN203228320U (en) * | 2013-04-28 | 2013-10-09 | 河北金泰金刚石工具有限公司 | Diamond saw blade tool bit for cutting stone |
| CN106946451B (en) * | 2017-04-28 | 2023-06-16 | 北京沃尔德金刚石工具股份有限公司 | CVD composite knife flywheel |
-
2018
- 2018-05-21 CN CN201810490574.XA patent/CN108687976B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201371518Y (en) * | 2009-04-02 | 2009-12-30 | 姚光纯 | Cutting blade for processing arc-shaped product |
| CN202200407U (en) * | 2011-08-18 | 2012-04-25 | 深圳市中天精密工具有限公司 | Cutting tool for cutting glass, ceramic tiles or stones |
| CN105398124A (en) * | 2015-12-10 | 2016-03-16 | 河南广度超硬材料有限公司 | An intermediate medium for firmly connecting a cemented carbide cutter blade and a cutter body and a using method thereof |
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| Publication number | Publication date |
|---|---|
| CN108687976A (en) | 2018-10-23 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200805 Address after: 550001 No. 2, 6th Floor, Daheng Daxia, 55 Hequn Road, Yunyan District, Guiyang City, Guizhou Province Applicant after: Guizhou Zhuxin Dachuang Technology Co.,Ltd. Address before: 561000 three Pu Group, three Pu village, Da Xi Qiao Town, Xi Xiu District, Anshun, Guizhou Applicant before: ANSHUN JIEYONG STONE INDUSTRY Co.,Ltd. |
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Granted publication date: 20200908 Termination date: 20210521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |