CN213999144U - Polycrystalline diamond grinding block - Google Patents
Polycrystalline diamond grinding block Download PDFInfo
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- CN213999144U CN213999144U CN202022783915.8U CN202022783915U CN213999144U CN 213999144 U CN213999144 U CN 213999144U CN 202022783915 U CN202022783915 U CN 202022783915U CN 213999144 U CN213999144 U CN 213999144U
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- polycrystalline diamond
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- inclined plane
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Abstract
The utility model provides a polycrystalline diamond grinding block, which comprises a base body, a cylindrical welding groove distributed on the base body and a polycrystalline diamond blade welded on the left edge of the cylindrical welding groove, wherein the base body is provided with a working inclined plane, and the height of the working inclined plane is gradually reduced from right to left; the base body is provided with a plurality of cylindrical welding grooves and a plurality of polycrystalline diamond blades, the polycrystalline diamond blades are distributed on the working inclined plane in rows from right to left, and the polycrystalline diamond blades in two adjacent rows are arranged in a staggered mode. In the application process of the polycrystalline diamond grinding block, the terrace coating thin layer can be polished and removed for multiple times, so that the single impact force of the polycrystalline diamond grinding block is relatively small, the generated heat is small, and the influence of the stress and the heat of the substrate is small; thereby leading the polycrystalline diamond grinding block to have longer service life.
Description
Technical Field
The utility model belongs to superhard materials processing tool field, concretely relates to polycrystalline diamond abrasive brick.
Background
The epoxy terrace, polyurethane terrace and the like have strong adhesion between the terrace coating and the concrete ground, the thick coating on the surface layer is usually torn off by shearing, and is directly adhered with the concrete to form a coating thin layer, and then the diamond grinding wheel with coarse granularity is used for polishing and removing. When a diamond grinding wheel is used for polishing and removing a coating thin layer, organic coating is easy to soften and adhere to diamond grinding disc segments due to friction heating and the like, so that the cleaning work is difficult to carry out.
Therefore, the patent application CN2009100773441 of China, by Antai science and technology corporation and Beijing Antai Steel research superhard material product company, discloses a superhard material cutting tool, which comprises a steel substrate and a cutting tool bit, wherein the cutting tool bit consists of two parts, namely a polycrystalline diamond composite sheet and a diamond tool bit. 1-12 inclined cylindrical grooves are distributed on the surface of the outer ring of the steel matrix and used for welding the polycrystalline diamond compact, and the central line of each inclined cylindrical groove and the cutting surface form a cutting angle; the diamond tool bit is welded on the surface of the steel matrix. Polycrystalline diamond compact is formed by PCD and carbide substrate combination, is formed by sintering after diamond and metal powder mix-pressing, and its structure is cylindrical, trapezoidal or square, and this compact edge region is the cutting edge. The superhard material cutting tool disclosed by the invention patent application solves the problem of terrace coating which is a difficult-to-process material in the cutting field, ensures that the surface of a terrace workpiece has no burrs, no scratches, no fog and no chatter marks, and the cutting and grinding combination not only improves the cutting speed, but also ensures the cutting quality.
However, the superhard material cutting tool disclosed in CN2009100773441 requires the use of a large amount of two materials, namely diamond and polycrystalline diamond, which increases the cost of the cutting tool; and this superhard materials cutting tool can once with the terrace coating thin layer is polished and is clear away totally, so, this superhard materials cutting tool can receive huge impact force and produce a large amount of heats, influences diamond and polycrystalline diamond's intensity and grinding ability, also makes the steel matrix produce the crack easily simultaneously to influence cutting tool's life.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a polycrystalline diamond grinding block to solve the above problems.
The utility model provides a polycrystalline diamond grinding block, which comprises a base body, a cylindrical welding groove distributed on the base body and a polycrystalline diamond blade welded on the left edge of the cylindrical welding groove, wherein the base body is provided with a working inclined plane, and the height of the working inclined plane is gradually reduced from right to left; the base body is provided with a plurality of cylindrical welding grooves and a plurality of polycrystalline diamond blades, the polycrystalline diamond blades are distributed on the working inclined plane in rows from right to left, and the polycrystalline diamond blades in two adjacent rows are arranged in a staggered mode.
Based on the above, each polycrystalline diamond blade comprises a fixed surface in contact with the substrate and a grinding surface arranged opposite to the fixed surface, and the grinding surface of each polycrystalline diamond blade in the left row is higher than the fixed surface of the polycrystalline diamond blade in the right row adjacent to the grinding surface of the polycrystalline diamond blade in the right row.
Based on the above, the grinding surfaces of the polycrystalline diamond blades in the same row have the same height.
Based on the above, the working inclined plane and the horizontal plane form an included angle, and the included angle is greater than 0 degree and less than or equal to 45 degrees.
Based on the above, the included angle formed by the working inclined plane and the horizontal plane is greater than or equal to 5 degrees and less than or equal to 30 degrees.
Based on the above, the thickness of the polycrystalline diamond blade is 5-8 mm. Herein, the thickness of the polycrystalline diamond blade mainly refers to the height of the polycrystalline diamond blade perpendicular to the working inclined plane.
Based on the above, the substrate is a steel substrate or a hard alloy substrate.
Therefore, the utility model provides a polycrystalline diamond grinding block is mainly used for grinding terrace paint, and the edge of polycrystalline diamond blade in this polycrystalline diamond grinding block is used as the cutting edge, and welds on the work inclined plane of base member, thereby makes polycrystalline diamond blade has different height relative to the horizontal plane, so, polycrystalline diamond grinding block can divide into in the application process and polish the clear terrace paint thin layer many times, and the impact force that this moment polycrystalline diamond grinding block single received is less relatively, and the heat that produces is also less, base member atress and hot influence are less; in addition, the polycrystalline diamond blades in two adjacent rows are arranged in a staggered manner, so that abrasive dust and heat generated in the grinding process of the polycrystalline diamond grinding block can be discharged as soon as possible; therefore, the utility model provides a polycrystalline diamond abrasive brick has longer life.
Furthermore, the polycrystalline diamond blade has different heights relative to a horizontal plane through the working inclined plane, so that the actual using amount of the polycrystalline diamond blade can be reduced, the thickness of the polycrystalline diamond blade can be 5-8 mm, and the production cost is saved.
Drawings
Fig. 1 is a schematic structural view of the polycrystalline diamond grinding block provided by the present invention.
Wherein reference numerals in the figures denote: 1 basal body, 11 working inclined planes, 2 cylindrical welding grooves, 3 polycrystalline diamond blades and 31 grinding surfaces.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Referring to fig. 1, an embodiment of the present invention provides a polycrystalline diamond grinding block, which includes a substrate 1, a cylindrical welding groove 2 distributed on the substrate, and a polycrystalline diamond blade 3 welded on a left edge of the cylindrical welding groove 2.
The substrate 1 is a steel substrate or a cemented carbide substrate, and in this embodiment, the substrate 1 is a steel substrate. The base body 1 is provided with a working inclined plane 11, and the height of the working inclined plane 11 is gradually reduced from right to left. The included angle α formed by the working inclined surface 11 and the horizontal plane is greater than 0 ° and less than or equal to 45 °, and preferably, the included angle α is greater than or equal to 5 ° and less than or equal to 30 °. In this embodiment, the included angle α is 20 ° or more. The working inclined plane 11 on the base body 1 is arranged in such a way that the polycrystalline diamond blade 3 has different heights relative to the horizontal plane, the polycrystalline diamond grinding block does not need to polish a floor coating thin layer completely at one time in the application process, the floor coating thin layer can be polished and removed completely in multiple times, the impact force on the polycrystalline diamond grinding block during single polishing is reduced, the heat generated in the single polishing process is reduced, the influence of stress and heat on the base body 1 is small, and the service life of the polycrystalline diamond grinding block is prolonged; meanwhile, the polycrystalline diamond grinding block is beneficial to discharging the grinding generated in the grinding process as soon as possible.
The substrate 11 is provided with a plurality of cylindrical welding grooves 2 and a plurality of polycrystalline diamond blades 3. And a polycrystalline diamond blade 3 is arranged on the left edge of each cylindrical welding groove 2. The polycrystalline diamond blades 3 are distributed on the working inclined plane 11 in rows from right to left, and the polycrystalline diamond blades 3 in two adjacent rows are arranged in a staggered manner. Each polycrystalline diamond blade 3 includes a fixed surface contacting the substrate and a grinding surface 31 disposed opposite to the fixed surface, and the grinding surface 31 of each left row of polycrystalline diamond blades 3 is higher than the fixed surface of the adjacent right row of polycrystalline diamond blades. The grinding surfaces 31 of the polycrystalline diamond blades 3 in the same row have the same height. The thickness of the polycrystalline diamond blade 3 is 5-8 mm, so that the actual using amount of the polycrystalline diamond blade is small, and the production cost is saved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. A polycrystalline diamond abrasive block, comprising: the polycrystalline diamond cutting tool comprises a substrate, cylindrical welding grooves distributed on the substrate and a polycrystalline diamond blade welded on the left side edge of the cylindrical welding grooves, wherein the substrate is provided with a working inclined plane, and the height of the working inclined plane is gradually reduced from right to left; the base body is provided with a plurality of cylindrical welding grooves and a plurality of polycrystalline diamond blades, the polycrystalline diamond blades are distributed on the working inclined plane in rows from right to left, and the polycrystalline diamond blades in two adjacent rows are arranged in a staggered mode.
2. The polycrystalline diamond abrasive segment of claim 1, wherein: each polycrystalline diamond blade comprises a fixed surface in contact with the substrate and a grinding surface arranged opposite to the fixed surface, and the height of the grinding surface of each polycrystalline diamond blade in the left row is higher than that of the fixed surface of the polycrystalline diamond blade in the right row adjacent to the grinding surface of each polycrystalline diamond blade in the right row.
3. The polycrystalline diamond abrasive segment of claim 2, wherein: the grinding surfaces of the polycrystalline diamond blades in the same row are equal in height.
4. A polycrystalline diamond compact according to claim 1, 2 or 3, wherein: the working inclined plane and the horizontal plane form an included angle which is larger than 0 degree and smaller than or equal to 45 degrees.
5. The polycrystalline diamond abrasive segment of claim 4, wherein: the included angle formed by the working inclined plane and the horizontal plane is more than or equal to 5 degrees and less than or equal to 30 degrees.
6. The polycrystalline diamond abrasive segment of claim 4, wherein: the thickness of polycrystalline diamond blade is 5 ~ 8 millimeters.
7. The polycrystalline diamond abrasive segment of claim 1, wherein: the substrate is a steel substrate or a hard alloy substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022783915.8U CN213999144U (en) | 2020-11-27 | 2020-11-27 | Polycrystalline diamond grinding block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022783915.8U CN213999144U (en) | 2020-11-27 | 2020-11-27 | Polycrystalline diamond grinding block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213999144U true CN213999144U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022783915.8U Active CN213999144U (en) | 2020-11-27 | 2020-11-27 | Polycrystalline diamond grinding block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213999144U (en) |
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2020
- 2020-11-27 CN CN202022783915.8U patent/CN213999144U/en active Active
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