CN203961977U - A kind of diamond composite cutter bit - Google Patents
A kind of diamond composite cutter bit Download PDFInfo
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- CN203961977U CN203961977U CN201420348207.3U CN201420348207U CN203961977U CN 203961977 U CN203961977 U CN 203961977U CN 201420348207 U CN201420348207 U CN 201420348207U CN 203961977 U CN203961977 U CN 203961977U
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- annular groove
- radiation
- cutter bit
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Abstract
A kind of diamond composite cutter bit, it is characterized in that: comprise hard alloy substrate and diamond layer, hard alloy substrate comprises the segment part of tapered segment and docking, the bonding surface of hard alloy substrate and diamond layer is made up of coaxial conical surface and the spherical surface of consubstantiality with it, is provided with equally distributed radiation or rectangular recess and circumferential groove in its end portion on conical surface; On spherical surface, be provided with circumferential groove in its end portion and radial groove.The utility model further improves the shock resistance wear resistance of dimond synneusis composite cutter bit.
Description
Technical field
The utility model relates to a kind of diamond composite cutter bit, belongs to probing diamond compact and manufactures field.This composite cutter bit can be used as the cutting teeth of highway milling machine, for cutting old asphalt concrete road surface; Also can be used as the cutting teeth of coal-cutting machinery and road heading machinery, cut coal seam and rock stratum.
Background technology
Dimond synneusis composite cutter bit is on diamond synthesis press, to adopt high-temperature and high-pressure technique, diamond is compound on sintered carbide ball tooth surface, form the good thin layer of diamond of abrasion resistance thereon, utilize the toughness that carbide alloy is good simultaneously, make it have good impact toughness.Be widely used as the cutting teeth of oil, geological drill bit, because cutting teeth is especially when as Cutter broken rock, can be subject to strong abrasive wear and impact, Chang Yi causes all or part of diamond layer to come off from hard alloy substrate ball tooth surface, thereby has a strong impact on functional performance and the life-span of cutting teeth.For improving the bond strength of diamond composite layer, in prior art, occur will on hard alloy substrate ball tooth surface, offering the flute profile of various shapes by having, though this can make the shock resistance of diamond compact be improved, but under high-strength cutting-impact state, its binding ability still has much room for improvement and improves.
Utility model content
The utility model provides a kind of diamond composite cutter bit, provides a kind of tool high adhesion strength diamond glomerocryst composite cutter bit, further to improve the shock resistance wear resistance of dimond synneusis composite cutter bit.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of diamond composite cutter bit, comprise hard alloy substrate and diamond layer, hard alloy substrate 1 comprises the segment part of tapered segment and docking, the bonding surface of hard alloy substrate and diamond layer is made up of coaxial conical surface and the spherical surface of consubstantiality with it, is provided with equally distributed radiation or rectangular recess and circumferential annular groove on conical surface; On spherical surface, be provided with circumferential groove in its end portion and radial groove.
On conical surface, be radially uniformly distributed 12 rectangular recess, rectangular recess is wide is 0.2～1mm, is 0.2～0.6mm deeply, and top, rectangular recess two sides is that arc transition connects; Conical surface is provided with annular groove, and annular groove is wide is 1.0～2.0mm, and annular groove base cone face becomes 5～10 ° of angles with level.
On conical surface, be radially uniformly distributed 12 radiation grooves, radiation groove is wide is 0.2～1mm, is 0.2～0.6mm deeply, and radiation groove two sides angle becomes 8～12 ° of angles, and top, radiation two sides is that arc transition connects; Conical surface is provided with annular groove, and annular groove is wide is 1.0～2.0mm, and annular groove base cone face becomes 5～10 ° of angles with level.
On spherical surface, be provided with 1～3 circumferential groove in its end portion, circumferential hoop groove width is 0.1～0.5mm; On spherical surface, be provided with 2 radial grooves, radial groove cross section is circular, rectangle or trapezoidal, and radial groove width is 0.2～0.6mm, and the radial groove degree of depth is identical with circumferential groove in its end portion height.
The utility model, by improving the structure of dimond synneusis composite cutter bit hard alloy substrate and diamond layer bonding surface, has improved its impact resistance and abrasion resistance.This composite cutter bit can be used as the cutting teeth of highway milling machine, for cutting old asphalt concrete road surface; Also can be used as the cutting teeth of coal-cutting machinery and road heading machinery, cut coal seam and rock stratum.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Embodiment 1, a kind of diamond composite cutter bit, comprise hard alloy substrate 1 and diamond layer 2, hard alloy substrate 1 comprises the segment part of tapered segment and docking, the bonding surface of hard alloy substrate 1 and diamond layer 2 is made up of coaxial conical surface 4 and the spherical surface 3 of consubstantiality with it, is provided with equally distributed radiation or rectangular recess 5 and circumferential annular groove 7 on conical surface 4; On spherical surface 3, be provided with circumferential groove in its end portion 6 and radial groove 8.
On conical surface 4, be radially uniformly distributed 12 rectangular recess 5, rectangular recess 5 is wide is 0.2～1mm, is 0.2～0.6mm deeply, and rectangular recess 5 tops, two sides are that arc transition connects; Conical surface 4 is provided with annular groove 7, and annular groove 7 is wide is 1.0～2.0mm, and annular groove 7 base cone faces become 5～10 ° of angles with level.
On spherical surface 3, be provided with 1～3 circumferential groove in its end portion 6, circumferential groove in its end portion 6 is wide is 0.1～0.5mm; On spherical surface 3, be provided with 2 radial grooves 8, radial groove 8 cross sections are circular, rectangle or trapezoidal, and radial groove 8 width are 0.2～0.6mm, and radial groove 8 degree of depth are highly identical with circumferential groove in its end portion 6.
Embodiment 2, is with the difference part of embodiment 1, is radially uniformly distributed 12 radiation grooves 5 on conical surface 4, radiation groove 5 is wide is 0.2～1mm, be 0.2～0.6mm deeply, radiation groove 5 two sides angles become 8～12 ° of angles, and top, radiation two sides is that arc transition connects.
Embodiment 3: as shown in Figure 1, the bonding surface of hard alloy substrate 1 and diamond layer 2 is made up of coaxial spherical surface 3 and the conical surface 4 of consubstantiality with it.On conical surface 4, be provided with equally distributed radiation or rectangular recess 5 and circumferential annular groove 7; On spherical surface 3, be provided with circumferential groove in its end portion 6 and radial groove 8, groove 8 cross sections are circular, and groove 8 degree of depth are highly identical with circumferential groove in its end portion 6.
On conical surface 4, be radially uniformly distributed 12 radiations or rectangular recess 5, radiation or rectangular recess 5 are wide is 0.8, is 0.4 deeply, and radiation groove 5 two sides angles become 10 ° of angles, and radiation or rectangular recess 5 tops, two sides are that arc transition connects; Conical surface 4 is provided with annular groove 7, and annular groove is wide is 1.5, and annular groove 7 base cone faces become 5 ° of angles with level; On spherical surface 3, be provided with 2 circumferential groove in its end portion 6, annular groove is wide is 0.2, is provided with 2 radial grooves 8 on spherical surface 3, and trench cross section is rectangle, and groove width is 0.25, and gash depth is highly identical with circumferential groove in its end portion 6.
Embodiment 4: shock-resistant dimond synneusis composite cutter bit as described in Example 3, on conical surface 4, be radially uniformly distributed 12 radiations or rectangular recess 5, radiation or rectangular recess 5 are wide is 0.5, be 0.3 deeply, radiation groove 5 two sides angles become 11 ° of angles, and radiation or rectangular recess 5 tops, two sides are that arc transition connects; Conical surface 4 is provided with annular groove 7, and annular groove is wide is 2, and annular groove 7 base cone faces become 10 ° of angles with level; On spherical surface 3, be provided with 1 circumferential groove in its end portion 6, annular groove is wide is 0.1, is provided with 2 radial grooves 8 on spherical surface 3, and trench cross section is rectangle, and groove 8 width are 0.2, and groove 8 degree of depth are highly identical with circumferential groove in its end portion 6.
The beneficial effects of the utility model are to arrange on the interface by combining with dimond synneusis layer at hard alloy substrate circumferential groove in its end portion and radiation groove radially, form more rational concavo-convex interfacial structure, the firmness that dimond synneusis layer is combined with sintering skin of cemented carbide matrix is further strengthened, improve its Acceptable life.
Claims (4)
1. a diamond composite cutter bit, it is characterized in that: comprise hard alloy substrate and diamond layer, hard alloy substrate (1) comprises the segment part of tapered segment and docking, the bonding surface of hard alloy substrate and diamond layer is made up of coaxial conical surface and the spherical surface of consubstantiality with it, is provided with equally distributed radiation or rectangular recess and circumferential annular groove on conical surface; On spherical surface, be provided with circumferential groove in its end portion and radial groove.
2. diamond composite cutter bit according to claim 1, is characterized in that: on conical surface, be radially uniformly distributed 12 rectangular recess, rectangular recess is wide is 0.2～1mm, is 0.2～0.6mm deeply, and top, rectangular recess two sides is that arc transition connects; Conical surface is provided with annular groove, and annular groove is wide is 1.0～2.0mm, and annular groove base cone face becomes 5～10 ° of angles with level.
3. diamond composite cutter bit according to claim 1, it is characterized in that: on conical surface, be radially uniformly distributed 12 radiation grooves, radiation groove is wide is 0.2～1mm, be 0.2～0.6mm deeply, radiation groove two sides angle becomes 8～12 ° of angles, and top, radiation two sides is that arc transition connects; Conical surface is provided with annular groove, and annular groove is wide is 1.0～2.0mm, and annular groove base cone face becomes 5～10 ° of angles with level.
4. according to the diamond composite cutter bit described in arbitrary of claim 1-3, it is characterized in that: on spherical surface, be provided with 1～3 circumferential groove in its end portion, circumferential hoop groove width is 0.1～0.5mm; On spherical surface, be provided with 2 radial grooves, radial groove cross section is circular, rectangle or trapezoidal, and radial groove width is 0.2～0.6mm, and the radial groove degree of depth is identical with circumferential groove in its end portion height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348207.3U CN203961977U (en) | 2014-06-27 | 2014-06-27 | A kind of diamond composite cutter bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348207.3U CN203961977U (en) | 2014-06-27 | 2014-06-27 | A kind of diamond composite cutter bit |
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| Publication Number | Publication Date |
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| CN203961977U true CN203961977U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420348207.3U Active CN203961977U (en) | 2014-06-27 | 2014-06-27 | A kind of diamond composite cutter bit |
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| CN (1) | CN203961977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019897A (en) * | 2015-07-29 | 2015-11-04 | 桂林星钻超硬材料有限公司 | Long-service life polycrystalline diamond cutting tooth |
| CN107083958A (en) * | 2017-06-15 | 2017-08-22 | 河南理工大学 | A kind of Novel cutting tooth |
-
2014
- 2014-06-27 CN CN201420348207.3U patent/CN203961977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019897A (en) * | 2015-07-29 | 2015-11-04 | 桂林星钻超硬材料有限公司 | Long-service life polycrystalline diamond cutting tooth |
| CN107083958A (en) * | 2017-06-15 | 2017-08-22 | 河南理工大学 | A kind of Novel cutting tooth |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |