CN209067117U - A kind of diamond compact combined drill - Google Patents
A kind of diamond compact combined drill Download PDFInfo
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- CN209067117U CN209067117U CN201821737551.6U CN201821737551U CN209067117U CN 209067117 U CN209067117 U CN 209067117U CN 201821737551 U CN201821737551 U CN 201821737551U CN 209067117 U CN209067117 U CN 209067117U
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- matrix
- drill
- connecting plate
- diamond compact
- rotary table
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Abstract
The utility model discloses a kind of diamond compact combined drills, belong to bit technique field, the technical problem to radiate and bit wear is serious is influenced in order to solve drill bit scrap accumulation in the prior art, including matrix, chip space is evenly arranged on the outer wall of matrix, chip space is twist evenly spaced on the outer wall of matrix, the hand of spiral of cutting slot is consistent with direction of rotation when bit operation, matrix is provided centrally with mounting hole, at least three mounting grooves are symmetrically offered on the peripheral wall of mounting hole, the lower end surface of matrix is provided with circular protrusion, protrusion is internally provided with connecting plate, at least three twisted blocks compatible with mounting groove are provided on connecting plate, drill core head is connected on connecting plate, the upper end of drill core head is provided with rotary table, at least three fins being axially and symmetrically arranged are provided on rotary table, the lower end of rotary table is set It is equipped with drill string, the circumferential direction of drill string is provided with heat release hole.The utility model has the characteristics that wear-resisting, good heat dissipation effect and is easily installed.
Description
Technical field
The utility model belongs to bit technique field, more particularly to a kind of diamond compact combined drill.
Background technique
In drilling process, drill bit is the main tool of fractured rock, and wellbore is formed by drill bit fractured rock.One
A wellbore forms fine or not, the length of time used, except the performance of characteristic and drill bit itself with drilled strata rock has outside the Pass,
More between drill bit and stratum to be mutually matched degree related.
Drill bit is one of the important tool for carrying out oil drilling work, and whether drill bit adapts to the good of rock property and its quality
It is bad, very important effect is played in terms of selecting drilling technology, especially to drilling quality, drilling rate, drilling cost side
Face generates tremendous influence, and drill bit is the chief component of drilling equipment, and main function is broken pure rock, forms well
Eye.Rotary drilling-head is the drill bit that current petroleum industry generally uses, and rotary drilling-head can generate rotation under mechanical drive, thus
It drives entire drill bit to generate centripetal movement, and cuts by invading, grind and make rock generation slight crack and be crushed, play the work drilled downwards
With.
For diamond bit after prolonged work, diamond bit mill is serious in the prior art, needs to replace in time and bore
Head, but more bit change are drill bit mostly and matrix is integrated design, and replacement needs to replace whole part, and matrix
Abrasion itself it is less and reusable so that replacement cost is higher, waste material;There are also drill bits in drilling operation, gives up
Bits are easy aggregation, so that scrap accumulation is serious, seriously affect the heat dissipation of bit part, accelerate the abrasion of bit part, reduce and bore
The service life of head.
Summary of the invention
The purpose of this utility model is that: heat dissipation and bit grinding are influenced in order to solve drill bit scrap accumulation in the prior art
Serious technical problem is damaged, the diamond compact combined drill that the wear-resisting, good heat dissipation effect of one kind is provided and is easily installed.
The technical solution adopted in the utility model is as follows:
A kind of diamond compact combined drill, including matrix are evenly arranged with chip space on the outer wall of described matrix, institute
It states chip space to be twist evenly spaced on the outer wall of matrix, the rotation when hand of spiral and bit operation of the cutting slot
Direction is consistent, and described matrix is provided centrally with mounting hole, symmetrically offers at least three installations on the peripheral wall of the mounting hole
Slot, the lower end surface of described matrix are provided with circular protrusion, and the protrusion is internally provided with connecting plate, on the connecting plate
Be provided at least three twisted blocks compatible with mounting groove, be connected with drill core head on the connecting plate, the drill core head it is upper
End is provided with rotary table, and at least three fins being axially and symmetrically arranged, the lower end of the rotary table are provided on the rotary table and is provided with
The circumferential direction of drill string, the drill string is provided with heat release hole.
The utility model it is further preferred, the mounting groove is open-like shape structure, and the installation trench bottom is provided with
Wear-resistant gasket,
The utility model it is further preferred, the protrusion is upper circumferential to be evenly arranged with groove, and the groove is in interior narrow outer
Wide shape structure.
The utility model it is further preferred, on the outer wall of described matrix and drill string soldering have wearing layer, the wearing layer
For layers of diamond particles.
The utility model it is further preferred, the layers of diamond particles be 0.05mm-0.08mm.
The utility model it is further preferred, it is described protrusion and mounting hole between on offer multiple porus excretoriuses, the row
Hole is let out as ellipse or circle.
Working principle: when utility model works, connecting plate and drill core head is driven to carry out bore operation by matrix, in base
It is provided with spiral chip space on the lateral wall of body, convenient for chip removal and radiates, and the hand of spiral and bit operation of cutting slot
When direction of rotation it is consistent, drill bit drilling work when, spiral discharge launder can be rapidly by drilling dust along spiral row
Slot discharge is let out, so that drill bit is convenient for chip removal and heat dissipation;It is provided centrally with mounting hole in matrix, passes through the mounting groove being mutually matched
And bite block so that connecting plate is connected in mounting groove, convenient for the installation and daily maintenance of drill bit, can individually to connecting plate into
Row replacement achievees the purpose that replace cutting head, and no replacement is required matrix is practical and convenient;It is provided on rotary table a plurality of axially symmetric
The fin of setting has stronger plow effect, improves the broken drilling performance of drill bit, reduces drilling resistance, and then improve gold
The mechanical separator speed of hard rock drill bit, while there is the band-like fin of one fixed width and the cutting face of lateral inclined-plane composition, have good
Shock resistance.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1. the utility model is by being arranged spiral chip space in the outside of matrix, convenient for chip removal and heat dissipation;In matrix
Be provided centrally with mounting hole, be convenient for by the mounting groove and bite block that are mutually matched so that connecting plate is connected in mounting groove
The installation and daily maintenance of drill bit, can individually replace connecting plate, achieve the purpose that replace cutting head, no replacement is required base
Body, it is practical and convenient, it is provided with a plurality of fin being axially and symmetrically arranged on rotary table, there is stronger plow effect, improve drill bit
Broken drilling performance reduces drilling resistance, and then improves the mechanical separator speed of diamond bit, and band-like fin tilts upwards to be risen
To the effect of guidance scrap discharge, the revolving speed of drill bit is further improved.
2. the utility model is open-like shape structure by mounting groove, so that drill bit is easily installed, and set in installation trench bottom
It is equipped with wear-resistant gasket, improves the wearability of mounting groove, reduces the abrasion of mounting groove, slows down the abrasion between connecting plate and matrix.
3. the utility model is by being in interior narrow outer width shape structure in mounting groove, so that connecting plate is not easy to take off in mounting groove
It falls, improves stabilization of the cutting sheet in high-speed motion.
4. the utility model has layers of diamond particles by being brazed on the lateral wall of matrix, the wearability of matrix is improved,
Reduce the abrasion of matrix and machined material.
5. the utility model is oval or circle by offering multiple porus excretoriuses, the porus excretorius on connecting plate,
The radiating efficiency for improving connecting plate, reduces the abrasion of connecting plate.
Detailed description of the invention
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the lower end surface of the matrix of the utility model and the structural schematic diagram of connecting plate;
Fig. 3 is the structural schematic diagram of the drill core head of the utility model.
Appended drawing reference: 1- porus excretorius, 2- mounting groove, 3- connecting plate, 4- chip space, 5- groove, 6- protrusion, 7- mounting hole,
8- matrix, 9- fin, 10- rotary table, 11- drill string, 12- heat release hole, 13- drill core head.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1-3 pairs of the utility model.
Case study on implementation one: a kind of diamond compact combined drill, including matrix 8 are uniformly set on the outer wall of described matrix 8
Be equipped with chip space 4, the chip space 4 is twist evenly spaced on the outer wall of matrix 8, the hand of spiral of the cutting slot with
Direction of rotation when bit operation is consistent, and described matrix 8 is provided centrally with mounting hole 7, symmetrical on the peripheral wall of the mounting hole 7
Offer at least three mounting grooves 2, described raised 6 are internally provided with connecting plate 3, are provided at least three on the connecting plate 3
A twisted block compatible with mounting groove 2 is connected with drill core head 13, the upper end setting of the drill core head 13 on the connecting plate 3
There is rotary table 10, at least three fins 9 being axially and symmetrically arranged are provided on the rotary table 10, the lower end of the rotary table 10 is provided with
Drill string 11, the circumferential direction of the drill string 11 are provided with heat release hole 12, between described raised 6 and mounting hole 7 on offer multiple excretions
Hole 1, the porus excretorius 1 are ellipse or circle.
Working principle: when utility model works, driving connecting plate 3 and drill core head 13 to carry out bore operation by matrix 8,
It is provided with spiral chip space 4 on the lateral wall of matrix 8, convenient for chip removal and radiates, and the hand of spiral and brill of cutting slot
Direction of rotation when head work is consistent, and in drill bit drilling work, spiral discharge launder can be rapidly by drilling dust along spiral
The discharge launder of shape is discharged, so that drill bit is convenient for chip removal and heat dissipation;It is provided centrally with mounting hole 7 in matrix 8, by being mutually matched
Mounting groove 2 and bite block, can be independent convenient for the installation and daily maintenance of drill bit so that connecting plate 3 is connected in mounting groove 2
Connecting plate 3 is replaced on ground, achievees the purpose that replace cutting head, no replacement is required matrix 8 is practical and convenient;It is set on rotary table 10
It is equipped with a plurality of fin 9 being axially and symmetrically arranged, there is stronger plow effect, improves the broken drilling performance of drill bit, reduces and bores
Resistance is cut, and then improves the mechanical separator speed of diamond bit, while there is the band-like fin 9 of one fixed width and lateral inclined-plane to form
Cutting face, have good shock resistance.
Case study on implementation two: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and the mounting groove 2 is open-like shape structure, 2 bottom of mounting groove
It is provided with wear-resistant gasket, it is open-like shape structure by mounting groove 2, so that drill bit is convenient for that the groove 5, which is in interior narrow outer width shape structure,
Installation, and 2 bottom of mounting groove is provided with wear-resistant gasket, the wearability of mounting groove 2 is improved, reduces the abrasion of mounting groove 2, slows down
Abrasion between connecting plate 3 and matrix 8.
Case study on implementation three: this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and soldering has wearing layer on the outer wall of described matrix 8 and drill string 11, institute
Stating wearing layer is layers of diamond particles, and the layers of diamond particles is 0.05mm-0.08mm, by the lateral wall of matrix 8
Soldering has layers of diamond particles, improves the wearability of matrix 8, reduces the abrasion of matrix 8 and machined material.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it is disclosed and the scope of the claims in the application
It is interior, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block and/
Or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (7)
1. a kind of diamond compact combined drill, including matrix (8), which is characterized in that on the outer wall of described matrix (8) uniformly
It is provided with chip space (4), the chip space (4) is twist evenly spaced on the outer wall of matrix (8), described matrix (8)
It is provided centrally with mounting hole (7), symmetrically offers at least three mounting grooves (2), described matrix on the peripheral wall of the mounting hole (7)
(8) lower end surface is provided with circular protrusion (6), and the protrusion (6) is internally provided with connecting plate (3), the connecting plate
(3) it is provided at least three and mounting groove (2) compatible twisted block on, is connected with drill core head (13) on the connecting plate (3),
The upper end of the drill core head (13) is provided with rotary table (10), and at least three are provided on the rotary table (10) and is axially and symmetrically arranged
The lower end of fin (9), the rotary table (10) is provided with drill string (11).
2. diamond compact combined drill according to claim 1, which is characterized in that the mounting groove (2) is spacious
Mouth shape structure, mounting groove (2) bottom is provided with wear-resistant gasket.
3. diamond compact combined drill according to claim 1, which is characterized in that circumferential equal on the protrusion (6)
Even setting fluted (5), the groove (5) are in interior narrow outer width shape structure.
4. diamond compact combined drill according to claim 1, which is characterized in that described matrix (8) and drill string
(11) soldering has layers of diamond particles on outer wall.
5. diamond compact combined drill according to claim 4, which is characterized in that the layers of diamond particles is
0.05mm-0.08mm。
6. diamond compact combined drill according to claim 1, which is characterized in that the protrusion (6) and mounting hole
(7) it is offered between multiple porus excretoriuses (1), the porus excretorius (1) is ellipse or circle.
7. diamond compact combined drill according to claim 1, which is characterized in that the circumferential direction of the drill string (11) is set
It is equipped with heat release hole (12), the heat release hole (12) is oval.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821737551.6U CN209067117U (en) | 2018-10-25 | 2018-10-25 | A kind of diamond compact combined drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821737551.6U CN209067117U (en) | 2018-10-25 | 2018-10-25 | A kind of diamond compact combined drill |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209067117U true CN209067117U (en) | 2019-07-05 |
Family
ID=67096128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821737551.6U Active CN209067117U (en) | 2018-10-25 | 2018-10-25 | A kind of diamond compact combined drill |
Country Status (1)
Country | Link |
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CN (1) | CN209067117U (en) |
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2018
- 2018-10-25 CN CN201821737551.6U patent/CN209067117U/en active Active
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