CN216858339U - Hard alloy diamond coating tool - Google Patents
Hard alloy diamond coating tool Download PDFInfo
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- CN216858339U CN216858339U CN202122717275.5U CN202122717275U CN216858339U CN 216858339 U CN216858339 U CN 216858339U CN 202122717275 U CN202122717275 U CN 202122717275U CN 216858339 U CN216858339 U CN 216858339U
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Abstract
The utility model discloses a hard alloy diamond coating tool which comprises a connecting handle, an alloy rod, an alloy processing blade, a TiN and AlN ultrathin film layer, an ultrafine particle layer, a micron grain layer, a DLC lubricating coating, a first sand blasting layer, a second sand blasting layer and a hard alloy matrix. The beneficial effects of the utility model are: the TiN and AlN ultrathin film layer ensures the toughness and hardness of the hard alloy diamond coating tool, ensures the material with high processing precision and high hardness, the ultrafine particle layer, the micron grain layer, the DLC lubricating coating, the diamond coating of the tool is formed by the first sand blasting layer and the second sand blasting layer, ensures the thickness rationality of the hard alloy diamond coating tool, improves the cutting rate of the material, enhances the chip removal performance of the hard alloy diamond coating tool by the DLC lubricating coating, prevents the adsorption rate of sundries, reduces the cobalt content in the hard alloy matrix by the first sand blasting layer and the second sand blasting layer, and ensures the stability of the connection of the diamond coating and the hard alloy matrix.
Description
Technical Field
The utility model relates to a hard alloy tool, in particular to a hard alloy diamond coating tool, and belongs to the technical field of hard alloy tools.
Background
The hard alloy is an alloy material prepared by a powder metallurgy process from a hard compound of refractory metals and bonding metals, has a series of excellent properties of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness and wear resistance, basically keeps unchanged even at the temperature of 500 ℃, and still has high hardness at the temperature of 1000 ℃.
Although the hard alloy tool is widely used, the problems still exist in the actual use process, firstly, the existing hard alloy tool cannot be cut due to the fact that the hard alloy is high in brittleness, and is difficult to manufacture into an integral tool with a complex shape, so that the existing hard alloy tool is often manufactured into blades with different shapes, the blades are installed on a tool body or a die body to be used by adopting methods such as welding, bonding, mechanical clamping and the like, secondly, the existing hard alloy tool is easy to fall off when being combined with a coating, and thirdly, the existing hard alloy tool has cobalt inside, and the diamond coating cannot be combined with the existing hard alloy tool when the content is high.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a cemented carbide diamond coated tool.
The utility model achieves the above purpose through the following technical scheme: a hard alloy diamond coating tool comprises a connecting handle, an alloy rod, an alloy processing blade, a TiN and AlN ultrathin layer, an ultrafine particle layer, a micron grain layer, a DLC lubricating coating, a first sand blasting layer, a second sand blasting layer and a hard alloy matrix; the alloy rod is connected to the front end of the connecting handle, the alloy processing blade is arranged at the front end of the alloy rod, the TiN and AlN ultrathin film layer is fixed above the superfine particle layer, the superfine particle layer is arranged between the TiN and AlN ultrathin film layer and the micron grain layer, the micron grain layer is fixed between the superfine particle layer and the DLC lubricating coating, the DLC lubricating coating is positioned between the micron grain layer and the first sand blasting layer, the first sand blasting layer is arranged between the DLC lubricating coating and the second sand blasting layer, the second sand blasting layer is positioned between the first sand blasting layer and the hard alloy matrix, and the hard alloy matrix is positioned below the second sand blasting layer and is positioned at the center layer of the alloy rod and the alloy processing blade.
Preferably, in order to ensure the toughness and hardness of the hard alloy diamond coating tool and ensure that the tool can process high-precision and high-hardness materials, the TiN and AlN ultrathin film layer forms a hardness reinforced coating structure of the tool and has the thickness of 2.5 microns.
Preferably, in order to ensure the thickness reasonableness of the hard alloy diamond coated tool, improve the cutting rate of materials and increase the application of the hard alloy tool, the ultrafine particle layer, the micron grain layer, the DLC lubricating coating, the first sand blasting layer and the second sand blasting layer form the diamond coating of the tool, the thickness of the diamond coating is 15 microns, and the diamond coating is manufactured by a chemical vapor deposition technology.
Preferably, in order to enhance the chip removal performance of the hard alloy diamond coating tool, prevent the adsorption rate of sundry chips and prolong the service life of the hard alloy diamond coating tool, a plurality of through holes are formed in the surface of the DLC lubricating coating, and a carbon fiber composite material is arranged in the through holes.
Preferably, in order to conveniently perform acid treatment on the hard alloy substrate, the cobalt content in the hard alloy substrate is reduced to reach below 6%, the connection stability of the diamond coating and the hard alloy substrate is ensured, the first sand blasting layer and the second sand blasting layer form an impurity removing structure of the diamond coating, and the first sand blasting layer and the second sand blasting layer are both made of acid-resistant materials.
The utility model has the beneficial effects that: the hard alloy diamond coating tool has reasonable design, the TiN and AlN ultrathin film layer forms a hardness reinforced coating structure of the tool, the thickness of the hard alloy diamond coating tool is 2.5 microns, the toughness and the hardness of the hard alloy diamond coating tool are ensured, the high-precision and high-hardness material can be processed, the ultrafine particle layer, the micron crystal particle layer, the DLC lubricating coating, the first sand blasting layer and the second sand blasting layer form a diamond coating of the tool, the thickness of the diamond coating is 15 microns, the diamond coating tool is manufactured by a chemical vapor deposition technology, the thickness rationality of the hard alloy diamond coating tool is ensured, the cutting rate of the material is improved, the application of the hard alloy tool is increased, a plurality of through holes are formed in the surface of the DLC lubricating coating, the carbon fiber composite material is arranged in the through holes, the chip removal performance of the hard alloy diamond coating tool is enhanced, the adsorption rate of sundry chips is prevented, and the service life of the hard alloy diamond coating tool is prolonged, the first sand blasting layer and the second sand blasting layer form an impurity removing structure of the diamond coating layer, and the first sand blasting layer and the second sand blasting layer are both made of acid-resistant materials, so that the hard alloy substrate is conveniently subjected to acid treatment, the cobalt content in the hard alloy substrate is reduced, the cobalt content of the hard alloy substrate is enabled to reach below 6%, and the stability of connection of the diamond coating layer and the hard alloy substrate is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a half-section structure according to the present invention.
In the figure: 1. the steel wire rod comprises a connecting handle, 2 alloy rods, 3 alloy processing blades, 4 TiN and AlN ultrathin layers, 5 an ultrafine particle layer, 6 a micron grain layer, 7 a DLC lubricating coating, 8 a first sand blasting layer, 9 a second sand blasting layer, 10 a hard alloy matrix.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a hard alloy diamond coating tool comprises a connecting handle 1, an alloy rod 2, an alloy processing blade 3, a TiN and AlN ultrathin layer 4, an ultrafine particle layer 5, a micron grain layer 6, a DLC lubricating coating 7, a first sand blasting layer 8, a second sand blasting layer 9 and a hard alloy substrate 10; the connecting handle 1 is connected with the tail end of the alloy rod 2, the alloy rod 2 is integrally connected with the alloy processing blade 3, and an alloy rod 2 is connected with the front end of the connecting handle 1, the alloy processing blade 3 is arranged at the front end of the alloy rod 2, the TiN and AlN ultrathin film layer 4 is fixed above the ultrafine particle layer 5, the ultrafine particle layer 5 is arranged between the TiN and AlN ultrathin film layer 4 and the micron grain layer 6, the micron grain layer 6 is fixed between the superfine grain layer 5 and the DLC lubricating coating 7, the DLC lubricating coating 7 is positioned between the micron grain layer 6 and the first sand blasting layer 8, the first sand blast layer 8 is disposed between the DLC lubricating coating 7 and the second sand blast layer 9, the second sand blast layer 9 is located between the first sand blast layer 8 and the cemented carbide substrate 10, the cemented carbide substrate 10 is located below the second grit blast layer 9 and in the center layer of the shank 2 and the machining tip 3.
The TiN and AlN ultrathin film layer 4 forms a hardness strengthening coating structure of the tool, the thickness of the TiN and AlN ultrathin film layer is 2.5 microns, the toughness and the hardness of the hard alloy diamond coating tool are ensured, the high-precision and high-hardness materials can be processed by the tool, the diamond coating of the tool is formed by the ultrafine particle layer 5, the micron crystal particle layer 6, the DLC lubricating coating 7, the first sand blasting layer 8 and the second sand blasting layer 9, the thickness of the diamond coating is 15 microns, the diamond coating is manufactured by a chemical vapor deposition technology, the thickness rationality of the hard alloy diamond coating tool is ensured, the cutting rate of the materials is improved, the application of the hard alloy tool is increased, a plurality of through holes are formed in the surface of the DLC lubricating coating 7, carbon fiber composite materials are arranged in the through holes, the chip removal performance of the hard alloy diamond coating tool is enhanced, the adsorption rate of sundries is prevented, and the service life of the hard alloy diamond coating tool is prolonged, first sandblast layer 8 and second sandblast layer 9 two-layer impurity removal structure that constitutes the diamond coating, and both adopt acid-fast material preparation to form, conveniently carry out acid treatment to carbide base member 10, reduce its inside cobalt content, make its cobalt content reach under 6%, guarantee the stability that diamond coating and carbide base member 10 are connected.
The working principle is as follows: when the hard alloy diamond coating tool is used, the TiN and AlN ultrathin film layer 4 ensures the toughness and hardness of the hard alloy diamond coating tool and ensures that the hard alloy diamond coating tool can process high-precision and high-hardness materials, the DLC lubricating coating 7 enhances the chip removal performance of the hard alloy diamond coating tool, the adsorption rate of sundry chips is prevented, the service life of the hard alloy diamond coating tool is prolonged, the first sand blasting layer 8 and the second sand blasting layer 9 are convenient for carrying out acid treatment on a hard alloy matrix 10, the cobalt content in the hard alloy diamond coating tool is reduced to enable the cobalt content to reach below 6%, and the connection stability of the diamond coating and the hard alloy matrix 10 is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A cemented carbide diamond coated tool characterized by: comprises a connecting handle (1), an alloy rod (2), an alloy processing blade (3), a TiN and AlN ultrathin layer (4), an ultrafine particle layer (5), a micron grain layer (6), a DLC lubricating coating (7), a first sand blasting layer (8), a second sand blasting layer (9) and a hard alloy matrix (10); the connection handle (1) is connected at the tail end of an alloy rod (2), the alloy rod (2) is integrally connected with an alloy processing blade (3), the alloy rod (2) is connected at the front end of the connection handle (1), the alloy processing blade (3) is arranged at the front end of the alloy rod (2), a TiN and AlN ultrathin layer (4) is fixed above an ultrafine particle layer (5), the ultrafine particle layer (5) is arranged between the TiN and AlN ultrathin layer (4) and a micron grain layer (6), the micron grain layer (6) is fixed between the ultrafine particle layer (5) and a DLC lubricating coating (7), the DLC lubricating coating (7) is positioned between the micron grain layer (6) and a first sand-blasting layer (8), the first sand-blasting layer (8) is arranged between the DLC lubricating coating (7) and a second sand-blasting layer (9), and the second sand-blasting layer (9) is positioned between the first sand-blasting layer (8) and a hard alloy matrix (10), the hard alloy matrix (10) is positioned below the second sand blasting layer (9) and is positioned at the central layer of the alloy rod (2) and the alloy processing blade (3).
2. The cemented carbide diamond coated tool of claim 1, wherein: the TiN and AlN ultrathin layer (4) forms a hardness strengthening coating structure of the tool, and the thickness of the TiN and AlN ultrathin layer is 2.5 microns.
3. The cemented carbide diamond coated tool of claim 1, wherein: the diamond coating of the tool is composed of the superfine particle layer (5), the micron grain layer (6), the DLC lubricating coating (7), the first sand blasting layer (8) and the second sand blasting layer (9), the thickness of the diamond coating is 15 microns, and the diamond coating is manufactured through a chemical vapor deposition technology.
4. The cemented carbide diamond coated tool of claim 1, wherein: a plurality of through holes are formed in the surface of the DLC lubricating coating (7), and carbon fiber composite materials are arranged in the through holes.
5. The cemented carbide diamond coated tool of claim 1, wherein: first sandblast layer (8) and second sandblast layer (9) two-layer impurity removal structure that constitutes the diamond coating, and both adopt the preparation of acid-resistant material to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122717275.5U CN216858339U (en) | 2021-11-08 | 2021-11-08 | Hard alloy diamond coating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122717275.5U CN216858339U (en) | 2021-11-08 | 2021-11-08 | Hard alloy diamond coating tool |
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| Publication Number | Publication Date |
|---|---|
| CN216858339U true CN216858339U (en) | 2022-07-01 |
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| CN202122717275.5U Active CN216858339U (en) | 2021-11-08 | 2021-11-08 | Hard alloy diamond coating tool |
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| CN (1) | CN216858339U (en) |
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2021
- 2021-11-08 CN CN202122717275.5U patent/CN216858339U/en active Active
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Effective date of registration: 20220629 Address after: No. 12, Shenjiang Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu Province 213000 Patentee after: Changzhou haomulin numerical control tools Co.,Ltd. Address before: 213000 No.18 Taihangshan Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou Xiaofeng Precision Tool Co.,Ltd. |