CN206693924U - The efficient chip removal preform composite polycrystal-diamond of one kind probing - Google Patents
The efficient chip removal preform composite polycrystal-diamond of one kind probing Download PDFInfo
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- CN206693924U CN206693924U CN201720243420.1U CN201720243420U CN206693924U CN 206693924 U CN206693924 U CN 206693924U CN 201720243420 U CN201720243420 U CN 201720243420U CN 206693924 U CN206693924 U CN 206693924U
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- diamond
- chip removal
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- cutting edge
- efficient chip
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Abstract
The utility model discloses one kind probing efficient chip removal preform composite polycrystal-diamond, including polycrystalline diamond layer and the carbide matrix supporter bonding with polycrystalline diamond layer；Described polycrystalline diamond layer includes upper surface and outer fringe surface, the radial cutting edge tooth in juncture area formation center and groove for cuttings of described upper surface and outer fringe surface；Direction is connected and radially extended and is distributed in a ring at a certain angle for the cutting edge tooth and groove for cuttings.Structure of the present utility model has stronger sharpness and efficient chip removal advantage, and it can increase substantially drilling efficiency and prevent mud drum phenomenon, it is ensured that the stationarity of drilling platforms manipulation.
Description
Technical field
The utility model belongs to super-hard compound material technical field, more particularly to a kind of probing is gathered with efficient chip removal preform
Diamond composite sheet, it is mainly used in the fields such as oil drilling, engineering driving and mine locating.
Background technology
Diamond is considered as preferably creeping into material and machining material with the hardness of its superelevation, wearability, and glomerocryst
Diamond compact（PDC）Come out then turn into applications of diamond technograph on an important milestone.At present, PCD
Composite sheet has used in rotary drilling-head, the first-class instrument of diamond drill machine as superabrasive cutting elements, its be widely used in oil,
The fields such as natural gas probing.With the transformation of exploration theory, innovation, unconventionaloil pool（Such as shale oil, gas etc.）Exploration obtains fast
Exhibition is hailed, the drill bit design and its performance of composite polycrystal-diamond that deeper bad ground uses need constantly lifting, especially
It is drilling competent bed, the stratum such as tough and tensile interlayer, often because difficult drilling depth, chip removal are obstructed etc., occurs collapsing tooth, or even bit freezing etc.
Serious drilling failure.
In view of above-mentioned extremely difficult formations drilled and drill bit easily occur collapsing tooth problem, patent CN200820070865.5 provides one
Kind solve the problems, such as because crackle causes in extended surface to collapse tooth, and it is still not competent in terms of efficient chip removal.The utility model proposes
The efficient chip removal preform composite polycrystal-diamond of one kind probing, is given using its sharp cutting edge tooth and fluent chip discharging structure
With the difficult drilling of comprehensive solution, collapse the problems such as tooth, mud drum.
Utility model content
The purpose of this utility model is upper surface and the outer fringe surface of the polycrystalline diamond layer by changing PCD composite sheets
Structure, there is provided a kind of efficient chip removal preform composite polycrystal-diamond of probing of knife-edged, this PCD composite sheet is for difficulty
Difficult drilling can be overcome in formations drilled, reduces and collapses tooth problem, avoids that the drilling failures such as mud drum occur, improves bit life and drilling well
The manipulation stationarity of platform.
To achieve the above object, the technical solution adopted in the utility model is：
The efficient chip removal preform composite polycrystal-diamond of one kind probing, it includes polycrystalline diamond layer and golden with glomerocryst
The bonding hard alloy supporter of hard rock layer.Wherein, the polycrystalline diamond layer includes upper surface and outer fringe surface, it is described on
Surface forms cutting edge tooth and groove for cuttings with outer fringe surface at least part juncture area.
Further, described cutting edge tooth is angled with polycrystalline diamond layer outer fringe surface and more than or equal to 90 °.
Further, described cutting edge tooth is high is not less than 0.5 mm not less than 0.3mm, radical length.
Further, described cutting edge tooth and groove for cuttings are radially extended and are distributed in a ring.
Further, the groove for cuttings is angled with polycrystalline diamond layer outer fringe surface and more than or equal to 90 °.
Further, chamfering is provided between described cutting edge tooth, groove for cuttings and outer fringe surface or without chamfering.
Further, the longitudinal angle between described cutting edge tooth and groove for cuttings is less than 60 °.
Further, polycrystalline diamond layer upper surface centre, which exists, holds bits groove.
It is further, described that to hold bits groove rounded, square etc..
Further, the bits depth of groove of holding is less than polycrystalline diamond thickness 1/10.
The beneficial effects of the utility model are：The utility model in drilling drilling process, using this efficient chip removal in advance into
Shape composite polycrystal-diamond as wear-resisting cutting element, its structure exist sharp cutting edge tooth and fluent groove for cuttings or
Hold bits structure, PCD composite sheets working region grinding heat can be reduced, tooth is collapsed in reduction, avoids chip removal that the drilling well things such as mud drum do not occur freely
Therefore the manipulation stationarity of drilling well drilling efficiency and drilling platforms can be increased substantially.
Brief description of the drawings
Fig. 1 is a kind of structure without the efficient chip removal preform composite polycrystal-diamond for holding bits structure in the utility model
Schematic diagram；
Fig. 2 is a kind of structure of the efficient chip removal preform composite polycrystal-diamond that band holds bits structure in the utility model
Schematic diagram；
Fig. 3 is a kind of structural representation of the efficient chip removal preform composite polycrystal-diamond of four swords tooth；
Fig. 4 is the structural representation of the efficient chip removal preform composite polycrystal-diamond of another four sword teeth；
Fig. 5 is a kind of structural representation of the efficient chip removal preform composite polycrystal-diamond of five swords tooth；
Fig. 6 is the structural representation of the efficient chip removal preform composite polycrystal-diamond of another five sword teeth；
Fig. 7 is a kind of structural representation of the efficient chip removal preform composite polycrystal-diamond of eight swords tooth；
Fig. 8 is the structural representation of the efficient chip removal preform composite polycrystal-diamond of another eight sword teeth；
Fig. 9 is a kind of structural representation of the efficient chip removal preform composite polycrystal-diamond of ten swords tooth；
Figure 10 is the structural representation of the efficient chip removal preform composite polycrystal-diamond of another ten sword teeth；
Figure 11 is a kind of structural representation of the efficient chip removal preform composite polycrystal-diamond of 12 sword tooth；
Figure 12 is the structural representation of the efficient chip removal preform composite polycrystal-diamond of another 12 sword teeth.
Embodiment
In order to be more clearly understood that the utility model, furtherd elucidate below in conjunction with embodiment in of the present utility model
Hold, but content of the present utility model is not only limited to the following examples.It is common based on embodiment in the utility model, this area
Technical staff obtains other all embodiments in the case where not making creative work precursor, would fall within the utility model protection
Category.
As illustrated in fig. 1 and 2, the utility model includes polycrystalline diamond layer 100 and the hard alloy bonding with it supports
Body 200.The polycrystalline diamond layer 100 includes upper surface 101 and outer fringe surface 102, the upper surface 101 and outer fringe surface
102 form cutting edge tooth 103 and groove for cuttings 104 at least part juncture area.In addition, with reference to shown in figure 2, the glomerocryst gold
Hard rock layer upper surface centre there are appearance bits groove 105.
Embodiment one
As shown in Figure 3 and Figure 4, it is that the efficient chip removal preform polycrystalline diamond of the four sword teeth with similar structure is compound
Piece.With reference to shown in figure 3, the cutting edge tooth 103 of this four swords tooth composite sheet radially extends length 1.87mm, height 1.23mm, its with
The angle of outer fringe surface 102 is 90 °；And groove for cuttings 104 is connected with 22 ° with cutting edge tooth 103 and is distributed in a ring, itself and outer rim
The angle on surface 102 is 112 °.Chamfering is 0.35 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.Ginseng
Examine shown in Fig. 4, the cutting edge tooth 103 of this four swords tooth composite sheet radially extends length 1.83mm, height 1.23mm, itself and outer rim table
The angle in face 102 is 99.5 °；And groove for cuttings 104 is connected with 33.2 ° with cutting edge tooth 103 and is distributed in a ring, itself and outer rim table
The angle in face 102 is 123.2 °.Chamfering is 0.35 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.
Embodiment two
As shown in Figure 5 and Figure 6, it is that the efficient chip removal preform polycrystalline diamond of the five sword teeth with similar structure is compound
Piece.With reference to shown in figure 5, the cutting edge tooth 103 of this five swords tooth composite sheet radially extends length 1.91mm, height 1.23mm, its with
The angle of outer fringe surface 102 is 90 °；And groove for cuttings 104 is connected with 20 ° with cutting edge tooth 103 and is distributed in a ring, itself and outer rim
The angle on surface 102 is 110 °.Chamfering is 0.35 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.Ginseng
Examine shown in Fig. 6, the cutting edge tooth 103 of this five swords tooth composite sheet radially extends length 1.87mm, height 1.23mm, itself and outer rim table
The angle in face 102 is 100.1 °；And groove for cuttings 104 is connected with 35.6 ° with cutting edge tooth 103 and is distributed in a ring, itself and outer rim
The angle on surface 102 is 125.6 °.Chamfering is 0.35 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.
The efficient chip removal preform composite polycrystal-diamond that embodiment one and embodiment two are provided is applied to extremely hard rock
The probing of the bad grounds such as layer, tough and tensile interlayer, especially extremely hard rock stratum.This multiple-cutting-edge toothing also greatly improves the utilization rate of composite sheet
And reduce drilling cost etc..
Embodiment three
As shown in Figure 7 and Figure 8, it is that the efficient chip removal preform polycrystalline diamond of the eight sword teeth with similar structure is compound
Piece.With reference to shown in figure 7, the cutting edge tooth 103 of this eight swords tooth composite sheet radially extends length 1.78mm, height 1.23mm, its with
The angle of outer fringe surface 102 is 90 °；And groove for cuttings 104 is connected with 23 ° with cutting edge tooth 103 and is distributed in a ring, itself and outer rim
The angle on surface 102 is 113 °.Chamfering is 0.40 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.Ginseng
Examine shown in Fig. 8, the cutting edge tooth 103 of this eight swords tooth composite sheet radially extends length 1.76mm, height 1.23mm, itself and outer rim table
The angle in face 102 is 99.3 °；And groove for cuttings 104 is connected with 32.8 ° with cutting edge tooth 103 and is distributed in a ring, itself and outer rim table
The angle in face 102 is 122.8 °.Chamfering is 0.40 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.
Example IV
Shown in refer to the attached drawing 9,10, it is that the efficient chip removal preform polycrystalline diamond of the ten sword teeth with similar structure is answered
Close piece.With reference to shown in figure 9, the cutting edge tooth 103 of this ten swords tooth composite sheet radially extends length 1.69mm, height 1.23mm, its
Angle with outer fringe surface 102 is 90 °；And groove for cuttings 104 is connected with 25 ° with cutting edge tooth 103 and is distributed in a ring, its with it is outer
The angle on edge surface 102 is 115 °.Chamfering is 0.40 mm between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102.
With reference to shown in figure 10, the cutting edge tooth 103 of this ten swords tooth composite sheet radially extends length 1.68mm, height 1.23mm, its with it is outer
The angle on edge surface 102 is 99.1 °；And groove for cuttings 104 is connected with 36.5 ° with cutting edge tooth 103 and is distributed in a ring, its with it is outer
The angle on edge surface 102 is 126.5 °.Chamfering is 0.40 between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102
mm。
Embodiment five
As is illustrated by figs. 11 and 12, its be the 12 sword teeth with similar structure efficient chip removal preform polycrystalline diamond
Composite sheet.With reference to shown in figure 11, the cutting edge tooth 103 of this 12 sword tooth composite sheet radially extends length 1.72mm, height
1.23mm, the angle of itself and outer fringe surface 102 is 90 °；And groove for cuttings 104 is connected with 26 ° with cutting edge tooth 103 and divided in a ring
Cloth, the angle of itself and outer fringe surface 102 is 116 °.Chamfering is between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102
0.40 mm.With reference to shown in figure 12, the cutting edge tooth 103 of this 12 sword tooth composite sheet radially extends length 1.70mm, height
1.23mm, the angle of itself and outer fringe surface 102 is 99.7 °；And it is in ring that groove for cuttings 104 is connected with cutting edge tooth 103 with 38.3 °
Shape is distributed, and the angle of itself and outer fringe surface 102 is 128.3 °.Between cutting edge tooth 103, groove for cuttings 104 and outer fringe surface 102
Chamfering is 0.40 mm.
The efficient chip removal preform composite polycrystal-diamond that embodiment three, example IV and embodiment five are provided is applicable
In the probing of the bad grounds such as extremely hard rock stratum, tough and tensile interlayer, especially tough and tensile interlayer and deeper bad ground.This multiple-cutting-edge toothing
It is slow and the problems such as mud drum easily occurs can to solve the difficult drilling in stratum, machine speed.
It the foregoing is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise of the technical solution of the utility model is not departed from, some modifications or equivalent substitute can be also made, this is regarded
For protection category of the present utility model.
Claims (10)
1. one kind probing efficient chip removal preform composite polycrystal-diamond, including polycrystalline diamond layer and and polycrystalline diamond
The bonding hard alloy substrate of layer, it is characterised in that：Described polycrystalline diamond layer includes upper surface and outer fringe surface, described
Upper surface and the juncture area of outer fringe surface form the radial cutting edge tooth in center and groove for cuttings.
A kind of 2. efficient chip removal preform composite polycrystal-diamond of probing according to claim 1, it is characterised in that：Institute
It is angled and more than or equal to 90 ° to state cutting edge tooth and polycrystalline diamond layer outer fringe surface.
A kind of 3. efficient chip removal preform composite polycrystal-diamond of probing according to claim 1, it is characterised in that：Institute
The cutting edge tooth and groove for cuttings stated radially extend to be distributed in a ring.
A kind of 4. efficient chip removal preform composite polycrystal-diamond of probing according to claim 1, it is characterised in that：Institute
The cutting edge tooth height stated is not less than 0.3mm, and radical length is not less than 0.5 mm.
A kind of 5. efficient chip removal preform composite polycrystal-diamond of probing according to claim 1, it is characterised in that：Institute
It is angled and more than or equal to 90 ° to state groove for cuttings and polycrystalline diamond layer outer fringe surface.
A kind of 6. efficient chip removal preform composite polycrystal-diamond of probing according to claim 1, it is characterised in that：Institute
Chamfering is provided between cutting edge tooth, groove for cuttings and the outer fringe surface stated or without chamfering.
7. a kind of probing is with efficient chip removal preform composite polycrystal-diamond, its special type according to claim 1：Institute
The longitudinal angle stated between cutting edge tooth and groove for cuttings is less than 60 °.
A kind of 8. efficient chip removal preform composite polycrystal-diamond of probing according to claim 1, it is characterised in that：Institute
State polycrystalline diamond layer upper surface centre and appearance bits groove be present.
A kind of 9. efficient chip removal preform composite polycrystal-diamond of probing according to claim 8, it is characterised in that：Institute
The appearance bits groove stated is rounded, square etc..
A kind of 10. efficient chip removal preform composite polycrystal-diamond of probing according to claim 8, it is characterised in that：
Described appearance bits depth of groove is more than polycrystalline diamond thickness 1/10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243420.1U CN206693924U (en) | 2017-03-14 | 2017-03-14 | The efficient chip removal preform composite polycrystal-diamond of one kind probing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243420.1U CN206693924U (en) | 2017-03-14 | 2017-03-14 | The efficient chip removal preform composite polycrystal-diamond of one kind probing |
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| CN206693924U true CN206693924U (en) | 2017-12-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761428A (en) * | 2017-03-14 | 2017-05-31 | 河南四方达超硬材料股份有限公司 | One kind is drilled with efficient chip removal preform composite polycrystal-diamond |
| CN110094164A (en) * | 2019-05-16 | 2019-08-06 | 河南四方达超硬材料股份有限公司 | A kind of plasticity stratigraphical drilling composite polycrystal-diamond |
| CN113006705A (en) * | 2021-03-29 | 2021-06-22 | 西南石油大学 | Special-shaped polycrystalline diamond compact with secondary crushing function |
| USD997219S1 (en) | 2021-10-14 | 2023-08-29 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a double-layer structure |
| US11772977B2 (en) | 2019-07-10 | 2023-10-03 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom |
| USD1006073S1 (en) | 2021-10-14 | 2023-11-28 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised surface sloping to a peripheral extension |
| USD1006074S1 (en) | 2021-10-14 | 2023-11-28 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised triangular structure |
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2017
- 2017-03-14 CN CN201720243420.1U patent/CN206693924U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761428A (en) * | 2017-03-14 | 2017-05-31 | 河南四方达超硬材料股份有限公司 | One kind is drilled with efficient chip removal preform composite polycrystal-diamond |
| CN106761428B (en) * | 2017-03-14 | 2019-04-23 | 河南四方达超硬材料股份有限公司 | A kind of efficient chip removal preform composite polycrystal-diamond of probing |
| CN110094164A (en) * | 2019-05-16 | 2019-08-06 | 河南四方达超硬材料股份有限公司 | A kind of plasticity stratigraphical drilling composite polycrystal-diamond |
| US11772977B2 (en) | 2019-07-10 | 2023-10-03 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom |
| CN113006705A (en) * | 2021-03-29 | 2021-06-22 | 西南石油大学 | Special-shaped polycrystalline diamond compact with secondary crushing function |
| CN113006705B (en) * | 2021-03-29 | 2022-03-22 | 西南石油大学 | Special-shaped polycrystalline diamond compact with secondary crushing function |
| USD997219S1 (en) | 2021-10-14 | 2023-08-29 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a double-layer structure |
| USD1006073S1 (en) | 2021-10-14 | 2023-11-28 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised surface sloping to a peripheral extension |
| USD1006074S1 (en) | 2021-10-14 | 2023-11-28 | Sf Diamond Co., Ltd. | Polycrystalline diamond compact with a raised triangular structure |
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