CN215145015U - Novel PCD drilling reamer - Google Patents
Novel PCD drilling reamer Download PDFInfo
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- CN215145015U CN215145015U CN202121425719.1U CN202121425719U CN215145015U CN 215145015 U CN215145015 U CN 215145015U CN 202121425719 U CN202121425719 U CN 202121425719U CN 215145015 U CN215145015 U CN 215145015U
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- drill bit
- mounting groove
- pcd
- rod
- alloy
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Abstract
本实用新型涉及机械加工领域，具体为一种新型PCD钻铰刀，包括钻杆、以及设置于所述钻杆端部的合金钻头，所述合金钻头的一端设置有扩孔部，所述扩孔部上开设有第一安装槽，所述合金钻头的中间位置设置有铰切部，所述铰切部上开设有第二安装槽，所述第一安装槽与所述第二安装槽的内部均设置有PCD刀片，其中，所述钻杆与所述合金钻头之间设置有用于连接所述钻杆与所述合金钻头的安装组件。本实用新型通过将PCD刀片焊接在合金钻头上的扩孔部和铰切部处，可以实现钻孔的同时对孔壁进行铰切，使得孔壁更加光洁，保证了成孔的粗糙度和精确度的设计要求，同时由于PCD刀片的硬度较高且耐磨，从而提高了合金钻头的使用寿命。
The utility model relates to the field of mechanical processing, in particular to a novel PCD drill reamer, comprising a drill rod and an alloy drill bit arranged on the end of the drill rod. The hole part is provided with a first installation groove, the middle position of the alloy drill is provided with a reaming part, and the reaming part is provided with a second installation groove, and the first installation groove and the second installation groove are separated. PCD inserts are provided inside, and a mounting assembly for connecting the drill rod and the alloy drill bit is arranged between the drill rod and the alloy drill bit. In the utility model, by welding the PCD blade on the reaming part and the reaming part of the alloy drill bit, the hole wall can be reamed while drilling, so that the hole wall is smoother and the roughness and accuracy of the formed hole can be ensured. At the same time, due to the high hardness and wear resistance of PCD inserts, the service life of alloy drill bits is improved.
Description
Technical Field
The utility model relates to the field of machining, specifically be a novel PCD drilling reamer.
Background
In the field of machining, various types of machining tools are generally required.
When hole machining is carried out, an alloy drill bit is usually used as a machining tool, however, the hole wall formed by machining the alloy drill bit is rough, the accuracy degree of the hole diameter is low, the high design requirement is difficult to meet, and meanwhile, the alloy drill bit is easy to wear, so that the service life of the drill bit is short.
SUMMERY OF THE UTILITY MODEL
Based on the weak point among the prior art mentioned among the above-mentioned background art, for this reason the utility model provides a novel PCD drilling reamer.
The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:
a novel PCD drilling reamer comprises a drill rod and an alloy drill bit arranged at the end part of the drill rod, wherein one end of the alloy drill bit is provided with a reaming part, a first mounting groove is formed in the reaming part, a reaming part is arranged in the middle of the alloy drill bit, a second mounting groove is formed in the reaming part, and PCD blades are arranged in the first mounting groove and the second mounting groove;
the PCD blade mounting structure comprises a PCD blade, a drill rod, an alloy drill bit and a first mounting groove, wherein a mounting component used for connecting the drill rod and the alloy drill bit is arranged between the drill rod and the alloy drill bit, and limiting components acting on the PCD blade are arranged in the first mounting groove and the second mounting groove.
As a further aspect of the present invention: the installation component comprises a connection inserted bar fixed at one end of the alloy drill bit, a limiting block fixed on the surface of the connection inserted bar, and a limiting block fixed at one end of the drill rod, wherein the connection inserted bar is inserted into an external thread slot, the limiting block is arranged in a limiting hole in the inner wall of the external thread slot, and the connection inserted bar is sleeved with an internal thread sleeve ring matched with the limiting hole in a sliding manner.
As a further aspect of the present invention: and a hexagonal nut is fixed on the surface of the internal thread lantern ring.
As a further aspect of the present invention: the limiting assembly comprises a clamping column fixed in the first mounting groove and the second mounting groove and a round hole formed in the PCD blade, and one end of the clamping column is inserted into the round hole.
As a further aspect of the present invention: the alloy drill bit is internally provided with a chip groove, the surface of the chip groove is arc-shaped and penetrates through the reaming part and the reaming part to extend to the outer surface of the alloy drill bit.
As a further aspect of the present invention: the anti-skidding structure is characterized in that anti-skidding lines are arranged on the drill rod and are uniformly distributed on the outer surface of the drill rod in a circumferential mode.
After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage: through with the reaming portion and the reaming portion department of PCD blade welding on the alloy drill bit, ream the pore wall when can realize drilling for the pore wall is more bright and clean, has guaranteed the roughness of pore-forming and the design requirement of accuracy, simultaneously because the hardness of PCD blade is higher and wear-resisting, thereby has improved the life of alloy drill bit.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure splitting of the present invention.
Fig. 3 is a schematic structural view of the external thread slot and the limiting hole of the present invention.
Fig. 4 is the structure schematic diagram of the middle connecting rod and the limiting block of the present invention.
Fig. 5 is a schematic structural view of the middle clip column and the round hole of the present invention.
Fig. 6 is a schematic structural view of the female screw collar and the hexagonal nut of the present invention.
In the figure: 1. a drill stem; 2. an alloy drill bit; 3. a reaming section; 4. a first mounting groove; 5. a reaming and cutting part; 6. a second mounting groove; 7. a PCD blade; 8. connecting the inserted link; 9. a limiting block; 10. an external thread slot; 11. a limiting hole; 12. an internal thread collar; 13. a hexagonal nut; 14. clamping the column; 15. a circular hole; 16. a chip groove; 17. and (4) anti-skid lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a novel PCD drilling reamer includes a drill rod 1 and an alloy drill bit 2 disposed at an end of the drill rod 1, wherein one end of the alloy drill bit 2 is provided with a reaming portion 3, the reaming portion 3 is provided with a first mounting groove 4, a reaming portion 5 is disposed at a middle position of the alloy drill bit 2, the reaming portion 5 is provided with a second mounting groove 6, and PCD blades 7 are disposed inside the first mounting groove 4 and the second mounting groove 6;
wherein a mounting component for connecting the drill rod 1 and the alloy drill bit 2 is arranged between the drill rod 1 and the alloy drill bit 2, and limiting components acting on the PCD blade 7 are arranged inside the first mounting groove 4 and the second mounting groove 6;
firstly, the PCD blade 7 is respectively arranged in the first mounting groove 4 and the second mounting groove 6, the PCD blade 7 is respectively jointed with the side walls of the first mounting groove 4 and the second mounting groove 6, at the moment, the PCD blade 7 can be welded and fixed in the first mounting groove 4 and the second mounting groove 6 along the side walls of the first mounting groove 4 and the second mounting groove 6, when in welding, the limiting component can limit the PCD blade 7, the PCD blade 7 is prevented from sliding in the first mounting groove 4 or the second mounting groove 6 so as to influence welding, the alloy drill bit 2 can be firmly arranged at the end part of the drill rod 1 through the mounting component, when in hole machining, the drill rod 1 arranged on the drilling machine drives the alloy drill bit 2 to rotate, the blade 7 welded in the first mounting groove 4 is positioned on the reaming part 3 at the end of the alloy drill bit 2, and the drilling and reaming effects can be achieved, the PCD blade 7 welded inside the second mounting groove 6 is positioned on the reaming part 5 at the middle position of the alloy drill bit 2, the hole wall formed by reaming and drilling can be further reamed and cut, so that the hole wall is smoother, the aperture meets the design requirement, the PCD blade 7 positioned on the reaming part 3 and the reaming part 5 reams and cuts the hole wall while drilling is realized, the requirements of the thickness and the accuracy of a machined hole are met, and meanwhile, the PCD blade 7 is higher in hardness and is wear-resistant, so that the service life of the alloy drill bit 2 is prolonged.
In an embodiment of the present invention, the mounting assembly includes a connection insertion rod 8 fixed at one end of the alloy drill bit 2, a limiting block 9 fixed on the surface of the connection insertion rod 8, an external thread insertion slot 10 fixed at one end of the drill rod 1 for the connection insertion rod 8 to be inserted into, a limiting hole 11 opened on the inner wall of the external thread insertion slot 10, and an internal thread sleeve ring 12 slidably sleeved on the connection insertion rod 8 and matched with the limiting hole 11;
limiting blocks 9 on the surfaces of the connecting insertion rods 8 are aligned to limiting holes 11 in the inner walls of the external thread insertion grooves 10, the connecting insertion rods 8 are inserted into the external thread insertion grooves 10, the limiting blocks 9 are also inserted into the limiting holes 11 at the moment, then the internal thread lantern ring 12 is sleeved on the limiting holes 11 and is rotated and screwed, due to the matching relation between the limiting holes 11 and the internal thread lantern ring 12, the internal thread lantern ring 12 can be screwed and fixed on the limiting holes 11, the limiting holes 11 inserted into the limiting blocks 9 at the moment are limited by the end portions of the internal thread lantern ring 12 and cannot be moved out of the limiting holes 11, the connecting insertion rods 8 are fixed inside the external thread insertion grooves 10, the connecting insertion rods 8 are limited by the limiting holes 11 and the limiting blocks 9 and cannot rotate, and the alloy drill bits 2 are firmly installed at the end portions of the drill rods 1 at the moment.
In another embodiment of the present invention, a hexagonal nut 13 is fixed on the surface of the internal thread collar 12;
the wrench is matched with the hexagonal nut 13, so that the internal thread lantern ring 12 can be screwed in a labor-saving manner, and the internal thread lantern ring 12 is screwed on the limiting hole 11.
In another embodiment of the present invention, the position limiting assembly includes a clamping column 14 fixed inside the first mounting groove 4 and the second mounting groove 6, and a circular hole 15 opened on the PCD blade 7, wherein one end of the clamping column 14 is inserted into the circular hole 15;
when installing PCD blade 7 inside first mounting groove 4 and second mounting groove 6, card post 14 can insert the inside of establishing to round hole 15, and PCD blade 7 can not slide in first mounting groove 4 or second mounting groove 6 inside under the limiting action of card post 14 and round hole 15 this moment to be convenient for weld PCD blade 7.
In another embodiment of the present invention, the alloy drill bit 2 is provided with a chip groove 16 inside, and the surface of the chip groove 16 is curved and extends to the outer surface of the alloy drill bit 2 through the reaming part 3 and the reaming part 5;
because one end of the chip groove 16 extends to the outer surface of the alloy drill bit 2, in the hole machining process, the scraps cut by the PCD blade 7 can be pushed out of the hole along the surface of the smooth chip groove 16 through the reaming part 3 and the reaming part 5, and the influence on the machining process caused by the accumulation of the scraps in the hole is prevented.
In another embodiment of the present invention, the drill rod 1 is provided with anti-slip threads 17, and the anti-slip threads 17 are uniformly distributed on the outer surface of the drill rod 1 in a circumferential manner;
because the surface of the drill rod 1 is smooth, when people hold the drill rod 1 to install the alloy drill bit 2 at the end of the drill rod 1, the anti-slip lines 17 can increase the friction force between the hand and the drill rod 1, and prevent the hand from slipping.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.
Claims (6)
1. The novel PCD drilling reamer comprises a drill rod (1) and an alloy drill bit (2) arranged at the end part of the drill rod (1), and is characterized in that one end of the alloy drill bit (2) is provided with a reaming part (3), a first mounting groove (4) is formed in the reaming part (3), a reaming part (5) is arranged at the middle position of the alloy drill bit (2), a second mounting groove (6) is formed in the reaming part (5), and PCD blades (7) are arranged in the first mounting groove (4) and the second mounting groove (6);
wherein, be provided with between drilling rod (1) and alloy drill bit (2) and be used for connecting drilling rod (1) with alloy drill bit (2) the installation component, first mounting groove (4) with the inside of second mounting groove (6) all is provided with the spacing subassembly that acts on PCD blade (7).
2. The novel PCD drilling reamer as claimed in claim 1, wherein the mounting assembly comprises a connecting inserted rod (8) fixed at one end of the alloy drill bit (2), a limiting block (9) fixed on the surface of the connecting inserted rod (8), an external thread slot (10) fixed at one end of the drill rod (1) for the connecting inserted rod (8) to be inserted into, a limiting hole (11) arranged on the inner wall of the external thread slot (10), and an internal thread collar (12) which is sleeved on the connecting inserted rod (8) in a sliding manner and matched with the limiting hole (11).
3. A novel PCD drill reamer according to claim 2 characterised in that a hexagonal nut (13) is fixed to the surface of the internally threaded collar (12).
4. The novel PCD drilling reamer according to claim 1, wherein the limiting component comprises a clamping column (14) fixed inside the first mounting groove (4) and the second mounting groove (6), and a round hole (15) opened on the PCD blade (7), and one end of the clamping column (14) is inserted into the round hole (15).
5. A novel PCD drill reamer according to claim 1, characterised in that the alloy drill bit (2) is internally provided with junk slots (16), the surfaces of the junk slots (16) being curved and extending through the reamer part (3) and the reaming part (5) to the outer surface of the alloy drill bit (2).
6. A novel PCD drill reamer according to claim 1, characterised in that the drill rod (1) is provided with anti-slip threads (17), the anti-slip threads (17) being evenly distributed on the outer surface of the drill rod (1) in a circumferential manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425719.1U CN215145015U (en) | 2021-06-25 | 2021-06-25 | Novel PCD drilling reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425719.1U CN215145015U (en) | 2021-06-25 | 2021-06-25 | Novel PCD drilling reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215145015U true CN215145015U (en) | 2021-12-14 |
Family
ID=79383095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121425719.1U Expired - Fee Related CN215145015U (en) | 2021-06-25 | 2021-06-25 | Novel PCD drilling reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215145015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378336A (en) * | 2022-03-23 | 2022-04-22 | 徐州乔南仪表有限公司 | Hole machining cutting tool and machining method thereof |
-
2021
- 2021-06-25 CN CN202121425719.1U patent/CN215145015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378336A (en) * | 2022-03-23 | 2022-04-22 | 徐州乔南仪表有限公司 | Hole machining cutting tool and machining method thereof |
| CN114378336B (en) * | 2022-03-23 | 2022-07-01 | 徐州乔南仪表有限公司 | A kind of hole machining cutting tool and its machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |