CN208981964U - A kind of new structure composite polycrystal-diamond for complicated hard formation - Google Patents
A kind of new structure composite polycrystal-diamond for complicated hard formation Download PDFInfo
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- CN208981964U CN208981964U CN201821091709.7U CN201821091709U CN208981964U CN 208981964 U CN208981964 U CN 208981964U CN 201821091709 U CN201821091709 U CN 201821091709U CN 208981964 U CN208981964 U CN 208981964U
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- diamond layer
- hard alloy
- diamond
- engaging tooth
- alloy pedestal
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Abstract
The utility model discloses a kind of new structure composite polycrystal-diamonds for complicated hard formation, including hard alloy pedestal (1), diamond layer (2), hard alloy pedestal (1) upper surface is integrally convexly equipped with the first engaging tooth (11), first engaging tooth (11) is grid-shaped to be uniformly distributed, and diamond layer (2) lower surface is integrally convexly equipped with the second engaging tooth (21)；First engaging tooth (11) is meshed with the second engaging tooth (21), thus hard alloy pedestal (1) upper surface and diamond layer (2) lower surface Spherical engagement.The particularity structure of the diamond layer of the utility model, when rock cutting, are not easy tipping;Hard alloy pedestal and diamond layer pass through protrusion engagement, improve the force-bearing situation between hard alloy pedestal and diamond layer, and the side of hard alloy pedestal 1 and vertical plane angle improve the drilling efficiency of composite sheet on the basis of its perfect toughness.
Description
Technical field
The utility model relates to superhard material field more particularly to a kind of new structure plycrystalline diamond gold for complicated hard formation
Hard rock composite sheet.
Background technique
Claim polycrystalline diamond thin layer to Buddha's warrior attendant by the composite material that high temperature and pressure attachment is bonded on hard alloy substrate
Rock layers, the referred to as hardness and wearability of the existing diamond of (PDC) diamond layer, have intensity with hard alloy, shock resistance tough
Property with good weldability, be a kind of cutting tool material of brilliance, be widely used in petroleum, coal, geological drilling,
The numerous areas such as machining.
The development of production industry and the increasingly reduction of production of resources are drilled, leads to the increase of drilling depth, in order to adapt to more
Add complicated ground environment；Easily there are the failure modes such as disintegrating tablet under bad ground environment in conventional flat-face composite sheet.
Accordingly, it is desirable to provide a kind of be both able to satisfy bad ground and to have met the diamond layer of drilling efficiency.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of new structure plycrystalline diamond Buddha's warrior attendant for complicated hard formation
Stone composite sheet.
The utility model provides a kind of new structure composite polycrystal-diamond for complicated hard formation, using following skill
Art scheme:
A kind of new structure composite polycrystal-diamond for complicated hard formation of the utility model, including hard alloy
Pedestal 1, diamond layer 2,1 upper surface of hard alloy pedestal are integrally convexly equipped with the first engaging tooth 11, first engaging tooth
11 it is grid-shaped be uniformly distributed, 2 lower surface of diamond layer is integrally convexly equipped with the second engaging tooth 21；First engaging tooth
11 are meshed with the second engaging tooth 21, so that 1 upper surface of hard alloy pedestal and 2 lower surface Spherical engagement of diamond layer, described
Hard alloy pedestal 1 side and vertical plane included angle B be 10~15 °.
Preferably, 2 upper surface of diamond layer is the ball-type of protrusion, and lower surface is the spherical surface of recess, on spherical surface
It is latticed to be provided with the second engaging tooth 21.
Preferably, 2 upper surface of diamond layer is that plane adds the structure on inclined-plane, and the included angle B of inclined-plane and plane is 6-
15 °, planar diameter Φ 1 accounts for the 1/2-1/4 of the 2 outside diameter Φ 2 of diamond layer of the plycrystalline diamond.
Further embodiment is that hard alloy pedestal 1 is cylindric, the side of one semi circular surface and vertical plane included angle B
It is 10~15 °, the bottom surface of the side of another semi circular surface perpendicular to hard alloy pedestal 1.
Compared with the relevant technologies, the utility model is had the following technical effect that
The particularity structure of the diamond layer of the utility model, when rock cutting, are not easy tipping;Hard alloy pedestal and gold
Hard rock layer improves the force-bearing situation between hard alloy pedestal and diamond layer by protrusion engagement, and hard alloy pedestal 1
Side and vertical plane angle improve the drilling efficiency of composite sheet, diamond layer on the basis of its perfect toughness
It is not easy to peel off, extends the service life of diamond compact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the diamond layer 2 of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the hard alloy pedestal 1 of the utility model embodiment 1；
Fig. 3 is the top view of the hard alloy pedestal 1 of the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of the utility model embodiment 1；
Fig. 5 is the structural schematic diagram of the diamond layer 2 of the utility model embodiment 2；
Fig. 6 is the structural schematic diagram of the hard alloy pedestal 1 of the utility model embodiment 2；
Fig. 7 is the top view of the diamond layer 2 of the utility model embodiment 2；
Fig. 8 is the top view of the hard alloy pedestal 1 of the utility model embodiment 2；
Fig. 9 is the structural schematic diagram of the utility model embodiment 2；
Figure 10 is the structural schematic diagram of the utility model embodiment 3.
Specific embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in figure 4, a kind of new structure composite polycrystal-diamond for complicated hard formation of the utility model, packet
Hard alloy pedestal 1, diamond layer 2 are included, 1 upper surface of hard alloy pedestal is integrally convexly equipped with the first engaging tooth 11, described
First engaging tooth 11 is grid-shaped to be uniformly distributed, and 2 lower surface of diamond layer is integrally convexly equipped with the second engaging tooth 21；Described
First engaging tooth 11 is meshed with the second engaging tooth 21, thus 1 upper surface of hard alloy pedestal and 2 lower surface spherical surface of diamond layer
Engagement, the side of the hard alloy pedestal 1 and vertical plane included angle B are 10~15 °.
Embodiment 1
As shown in Figs 1-4, in the present embodiment, 2 upper surface of diamond layer is the ball-type of protrusion, and lower surface is recessed
Sunken spherical surface is provided with the second engaging tooth 21 in spherical surface mesh-type.
The composite sheet of the utility model is that the diamond layer 2 of hard alloy pedestal 1 and plycrystalline diamond passes through high temperature and pressure and is sintered
At.2 front end of diamond layer of plycrystalline diamond is shaped like spherical surface, spherical engagement between hard alloy pedestal 1 and the diamond layer 2 of plycrystalline diamond.
That is: the front end of hard alloy pedestal 1 is the spherical of protrusion, by latticed equally distributed first engaging tooth 11 on spherical surface；It is poly-
Brilliant 2 front end of diamond layer is the spherical surface of protrusion, rear end is the spherical surface of recess, is had and hard alloy pedestal on the spherical of its rear end
1 corresponding second engaging tooth 22 in end formed by high temperature and pressure sintering.The two is fixed by engaging tooth interlaced with each other
One；The diamond layer 2 of 1 circular planar lowermost of hard alloy pedestal and plycrystalline diamond joins periphery angulation a, and a is 10 ° -15 °.
Embodiment 2
As shown in figures 5-9, in the present embodiment, 2 upper surface of diamond layer is that plane adds the structure on inclined-plane, inclined-plane with
The included angle B of plane is 6-15 °, and planar diameter Φ 1 accounts for the 1/2-1/4 of the 2 outside diameter Φ 2 of diamond layer of the plycrystalline diamond.Hard
The diamond layer 2 of 1 circular planar lowermost of alloy pedestal and plycrystalline diamond joins periphery angulation a, and a is 10 ° -15 °.
Embodiment 3
As another variant embodiment of above-described embodiment, in the present embodiment, hard alloy pedestal 1 be it is cylindric,
The side of one semi circular surface and vertical plane included angle B are 10~15 °, and the side of another semi circular surface is perpendicular to hard alloy pedestal 1
Bottom surface.
The particularity structure of the diamond layer of the utility model, when rock cutting, are not easy tipping;Hard alloy pedestal and gold
Hard rock layer improves the force-bearing situation between hard alloy pedestal and diamond layer by protrusion engagement, and hard alloy pedestal 1
Side and vertical plane angle improve the drilling efficiency of composite sheet, diamond layer on the basis of its perfect toughness
It is not easy to peel off, extends the service life of diamond compact.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of new structure composite polycrystal-diamond for complicated hard formation, it is characterised in that: including carbide matrix
Seat (1), diamond layer (2), hard alloy pedestal (1) upper surface are integrally convexly equipped with the first engaging tooth (11), and described first
Engaging tooth (11) is grid-shaped to be uniformly distributed, and diamond layer (2) lower surface is integrally convexly equipped with the second engaging tooth (21)；It is described
The first engaging tooth (11) be meshed with the second engaging tooth (21), thus hard alloy pedestal (1) upper surface and diamond layer (2)
Lower surface Spherical engagement, the side of the hard alloy pedestal (1) and vertical plane included angle B are 10~15 °.
2. a kind of new structure composite polycrystal-diamond for complicated hard formation as described in claim 1, feature exist
In: diamond layer (2) upper surface is the ball-type of protrusion, and lower surface is the spherical surface of recess, is arranged in spherical surface mesh-type
There are the second engaging tooth (21).
3. a kind of new structure composite polycrystal-diamond for complicated hard formation as described in claim 1, feature exist
It is the structure that plane adds inclined-plane in: diamond layer (2) upper surface, the included angle B of inclined-plane and plane is 6-15 °, planar diameter
Φ 1 accounts for the 1/2-1/4 of the diamond layer (2) outside diameter Φ 2.
4. a kind of new structure composite polycrystal-diamond for complicated hard formation a method according to any one of claims 1-3,
Be characterized in that: hard alloy pedestal (1) be it is cylindric, the side of one semi circular surface and vertical plane included angle B are 10~15 °, separately
Bottom surface of the side of one semi circular surface perpendicular to hard alloy pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091709.7U CN208981964U (en) | 2018-07-11 | 2018-07-11 | A kind of new structure composite polycrystal-diamond for complicated hard formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091709.7U CN208981964U (en) | 2018-07-11 | 2018-07-11 | A kind of new structure composite polycrystal-diamond for complicated hard formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208981964U true CN208981964U (en) | 2019-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091709.7U Active CN208981964U (en) | 2018-07-11 | 2018-07-11 | A kind of new structure composite polycrystal-diamond for complicated hard formation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208981964U (en) |
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2018
- 2018-07-11 CN CN201821091709.7U patent/CN208981964U/en active Active
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