CN110253055A - PCD suitable for processing carbon fibre composite bores ream one compound tool - Google Patents
PCD suitable for processing carbon fibre composite bores ream one compound tool Download PDFInfo
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- CN110253055A CN110253055A CN201910502427.4A CN201910502427A CN110253055A CN 110253055 A CN110253055 A CN 110253055A CN 201910502427 A CN201910502427 A CN 201910502427A CN 110253055 A CN110253055 A CN 110253055A
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- Prior art keywords
- pcd
- carbon fibre
- fibre composite
- cutter
- compound tool
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Drilling And Boring (AREA)
Abstract
The PCD that the present invention provides a kind of suitable for processing carbon fibre composite bores ream one compound tool, including apex point, chip space, cutter hub, counter boring sword, cooling hole.The present invention, which is able to achieve, bores ream one-pass molding, improves the concentricity in hole and nest, realizes short route, high quality, high efficiency drilling；Wherein the apex point of cutter and counter boring sword are all made of PCD material, and hardness height, compression strength height, thermal conductivity, wearability are good, small with non-ferrous metal and nonmetallic affinity, improve the wearability of cutter, greatly prolong cutter life；PCD thermal expansion coefficient is small, is not likely to produce thermal deformation, and the machining accuracy in hole is high；Cutter is designed using helical structure, and chip removal performance is good；Inner-cooling structure carries out low-temperature trace lubrication, is constantly cooled down to tool in cutting sword and workpiece, can effectively reduce influence of the cutting heat to cutter and workpiece, improves cutter life；Cutter of the present invention is suitable for aerospace carbon fibre composite single layer/lamination automation drilling counter boring assembly.
Description
Technical field
The present invention relates to aerospace Automated assembly processing technique fields, and in particular, to one kind is suitable for processing carbon
The PCD of fibrous composite bores ream one compound tool.
Background technique
With the development of science and technology, new material is widely used in aviation field, especially carbon fibre composite, carbon
The hardness of fibrous composite is high, the characteristics such as intensity is big, poor thermal conductivity, and interlaminar strength is low, carbon fibre composite processing quality
Be difficult to ensure, be difficult to ensure processing quality using common high-speed steel drill or carbide drill, and cutter life compared with
It is low, therefore carbon fibre composite process tool is put forward higher requirements.
Existing carbon fibre composite process tool, poor radiation are powdered clasts with cutting, and friction generates
High temperature be easy to make multiple material matrix melting deformation, easily there is material burn, generate shrinkage cavity, the phenomenon that layering, splitting, influence to make
Hole quality, when drilling, are not easy chip removal, and clast aggravates the abrasion to cutting edge, causes cutter life low, increased costs.
Be related to a kind of socket drill application No. is 201820371991.8 utility model patent, including guide post, cutter hub and
Connection handle, the guide post and connection handle are located at the opposite end of the cutter hub, and the socket drill includes ontology and 3 blades, institute
Stating ontology is high speed steel material, and the blade is hard alloy material, and the blade is soldered on the ontology and the ontology
The cutter hub is collectively formed, the cutting tip with 3 blades is correspondingly formed on the cutter hub, forms inclination between adjacent edge
The cutter groove of setting, the tilt angle of the cutter groove are 5 °~10 °.The processing technology and high speed steel material of the utility model socket drill
Similar, fairly simple, blade is hard alloy, and again such as hard alloy, the utility model socket drill combines cutting ability
The advantages of two kinds of material cutters, at low cost and long service life.But make on above-mentioned patent structure without using inner-cooling structure
It is relatively short with the service life.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of suitable for processing carbon fibre composite
PCD bores ream one compound tool.
A kind of PCD suitable for processing carbon fibre composite provided according to the present invention bores ream one compound tool, packet
Include apex point 1, counter boring sword 2, cooling hole 3, cutter hub 4 and chip space 5；Wherein: apex point 1, chip space 5, counter boring sword 2 and cutter hub 4
It is sequentially connected setting；The cooling hole 3 is connected to chip space 5, counter boring sword 2 and 4 inside of cutter hub and connects apex point 1.
Preferably, apex point 1 is used for product drilling, and counter boring sword 2 carries out counter boring processing to the product of drilling.
Preferably, the cutting tip material of the apex point 1 is using whole PCD material or blade inserting PCD material.
Preferably, the diameter of the whole PCD material is less than 4.5mm, and the diameter of the blade inserting PCD material is greater than
4.5mm。
Preferably, the chip space 5 is arranged in spiral angle is become, finishing polish in the slot of chip space 5.
Preferably, the helical angle for becoming spiral is 15 ° -30 °.
Preferably, the cooling hole 2 is cold hole in double helix.
Preferably, the material of the cutter hub 4 is hard alloy.
Preferably, the material of the counter boring sword 2 is PCD piece.
Preferably, the helical angle of the counter boring sword 2 is 15 ° -20 °, and anterior angle is 10 ° -15 °.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention provides a kind of PCD brill ream one compound tool suitable for processing carbon fibre composite, Neng Gouyi
Secondary completion drilling, counter boring, improve hole precision, Hole Wall Roughness, improve cutter life and processing efficiency, meet aerospace height
Effect, high quality, the matching requirements of long-life；
2, the configuration of the present invention is simple, novel in design, the section that drills and counter boring section are integrated on a cutter body, are realized primary
Ream Compound Machining is bored, realizes short route, high quality drilling；
3, the structure of the compound tool of high-effect high-quality of the present invention can improve Hole Wall Roughness, Hole Wall Roughness≤Ra1.6
μm, counter boring surface roughness≤Ra3.2 μm, drilling roughness is much higher than common drilling cutter；
4, cutter apex point of the invention and counter boring sword use PCD material, hardness height, compression strength height, thermal conductivity, wearability
Good, small with non-ferrous metal and nonmetallic affinity, PCD thermal expansion coefficient is small, is not likely to produce thermal deformation, improves the wearability of cutter
And use cutter life；
5, cutter structure of the invention is designed to interior cold helical structure, and chip removal performance is good, and cutter is in process, cooling
Medium constantly cools down tool in cutting sword by interior cold hole, reduces influence of the cutting heat to cutter and workpiece, improves cutter
Service life and drilling quality；
6, chip space of the invention uses helical design mode, relative to traditional straight trough form, has excellent chip removal
Performance and short bits performance；
7, counter boring sword of the invention is also PCD material, and helical angle can reach 15 ° -20 ° herein, and anterior angle also can reach
10 ° -15 °, it ensure that the sharpness of counter boring sword.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the PCD brill ream one compound tool structural schematic diagram that the present invention is suitable for processing carbon fibre composite:
Fig. 2 is to bore ream one compound tool K direction view suitable for processing the PCD of carbon fibre composite:
Fig. 3 is the schematic shapes in work pieces process hole
Fig. 4 is that dedicated tool of the present invention is mounted on process schematic diagram on knife handle.
It is shown in figure:
Apex point 1
Counter boring sword 2
Cooling hole 3
Cutter hub 4
Chip space 5
Through-hole 6
Dimple rivet hole 7
Clamping device 8
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As depicted in figs. 1 and 2, a kind of PCD suitable for processing carbon fibre composite provided according to the present invention bores ream
Integrated compound tool, including apex point 1, counter boring sword 2, cooling hole 3, cutter hub 4, chip space 5, apex point 1, chip space 5, counter boring sword 2 with
And cutter hub 4 is sequentially connected setting；The cooling hole 3 is connected to chip space 5, counter boring sword 2 and 4 inside of cutter hub and connects apex point 1.Institute
The apex point 1 and counter boring sword 2 stated use high performance PCD material；Cutter is designed using helical structure；4 material of cutter hub is hard conjunction
Gold；Cutter uses inner-cooling structure, and cooling medium constantly cools down cutter by interior cold hole in process.
Its of the invention novel in structural design, structure design is simple, the center line of apex point 1 and counter boring sword 2 on the same line,
It realizes and bores ream one-pass molding, improve the concentricity in hole and nest, reduce drilling process, realize short route, high efficiency processing.
Apex point 1 and counter boring sword 2 use PCD material, and hardness height, compression strength height, thermal conductivity, wearability are good, and have coloured gold
Belong to and nonmetallic affinity is small, improves the wearability and cutter life of cutter；PCD thermal expansion coefficient is small, is not likely to produce thermal deformation,
The machining accuracy in hole is high；Cutter is designed using helical structure, and chip removal performance is good；Inner-cooling structure designs, cooling in process to be situated between
Matter constantly cools down cutter and product to be processed by interior cold hole, reduces what carbon fibre composite drilling generated in the process
Influence of the cutting heat to cutter and workpiece improves cutter life；
Its chip space 5 of this patent is spiral form, the change spiral that helical angle is 15 ° -30 °；Relief angle: 1 10 ° of relief angle-
15 °, 2 25 ° -28 ° of relief angles；Anterior angle: 13 ° -18 ° of anterior angle；Using the design of the big relief angle of big anterior angle, the sharpness of cutter ensure that；
The comparison for doing milling cutter and reamer with PCD material at present is more, and it is straight trough form, the chip space 5 of this patent cutter that drill bit, which is also that shovel bores,
It is spiral form, there is excellent chip removal performance and short bits performance；Counter boring sword is also PCD material, and helical angle is reachable herein
To 15 ° -20 °, anterior angle also can reach 10 ° -- 15 °, it ensure that the sharpness of counter boring sword.
As shown in Figure 3 and Figure 4, compound tool after holes drilled through 6, continues to feed on workpiece, utilizes the counter boring of compound tool
Sword 2 processes dimple rivet hole 7, final to realize that drilling counter boring is once completed to process.
The PCD that the present invention provides a kind of for being suitable for processing carbon fibre composite bores ream one compound tool, mentions
The concentricity of high hole and counter boring aperture precision, reduces cutter dosage, reduces cost, improves efficiency, realizing without layering, without splitting
Drilling.Meet efficient, the high quality, long life requirement of aircraft assembly of new generation.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of PCD suitable for processing carbon fibre composite bores ream one compound tool, which is characterized in that including apex point
(1), counter boring sword (2), cooling hole (3), cutter hub (4) and chip space (5)；Wherein: apex point (1), chip space (5), counter boring sword (2)
And cutter hub (4) is sequentially connected setting；Cooling hole (3) connection chip space (5), counter boring sword (2) and cutter hub (4) are internal simultaneously
It connects apex point (1).
2. the PCD according to claim 1 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, apex point (1) is used for product drilling, and counter boring sword (2) carries out counter boring processing to the product of drilling.
3. the PCD according to claim 1 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the cutting tip material of the apex point (1) is using whole PCD material or blade inserting PCD material.
4. the PCD according to claim 3 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the diameter of the entirety PCD material is less than 4.5mm, and the diameter of the blade inserting PCD material is greater than 4.5mm.
5. the PCD according to claim 1 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the chip space (5) is arranged in spiral angle is become, finishing polish in the slot of chip space (5).
6. the PCD according to claim 5 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the helical angle for becoming spiral is 15 ° -30 °.
7. the PCD according to claim 1 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the cooling hole (2) is cold hole in double helix.
8. the PCD according to claim 1 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the material of the cutter hub (4) is hard alloy.
9. the PCD according to claim 1 for being suitable for processing carbon fibre composite bores ream one compound tool, feature
It is, the material of the counter boring sword (2) is PCD piece.
10. the PCD according to claim 9 for being suitable for processing carbon fibre composite bores ream one compound tool, special
Sign is that the helical angle of the counter boring sword (2) is 15 ° -20 °, and anterior angle is 10 ° -15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502427.4A CN110253055A (en) | 2019-06-11 | 2019-06-11 | PCD suitable for processing carbon fibre composite bores ream one compound tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502427.4A CN110253055A (en) | 2019-06-11 | 2019-06-11 | PCD suitable for processing carbon fibre composite bores ream one compound tool |
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|---|---|
| CN110253055A true CN110253055A (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910502427.4A Pending CN110253055A (en) | 2019-06-11 | 2019-06-11 | PCD suitable for processing carbon fibre composite bores ream one compound tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496284A (en) * | 2020-04-22 | 2020-08-07 | 朱建华 | Automatic punching machine tool for disc type sheets |
| CN112453532A (en) * | 2020-11-17 | 2021-03-09 | 哈尔滨工业大学 | Special composite cutter for carbon fiber composite spiral hole milling and machining method thereof |
| CN112705764A (en) * | 2020-12-23 | 2021-04-27 | 黄开建 | Drilling reamer tool with staggered blades for hole machining of composite material |
| CN113020668A (en) * | 2021-02-07 | 2021-06-25 | 株洲钻石切削刀具股份有限公司 | Stepped cutting tool |
| CN115091549A (en) * | 2022-07-15 | 2022-09-23 | 洛阳双瑞橡塑科技有限公司 | Drill bit and drilling process based on pultrusion type composite material |
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| US4955764A (en) * | 1987-03-26 | 1990-09-11 | Gottlieb Guhring Kg | Boring tool cooled from within made of a tool spiral and a clamping cylinder |
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| CN103949700A (en) * | 2013-11-26 | 2014-07-30 | 李仕清 | Self-cooling center driller or self-cooling countersink driller |
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| US4955764A (en) * | 1987-03-26 | 1990-09-11 | Gottlieb Guhring Kg | Boring tool cooled from within made of a tool spiral and a clamping cylinder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496284A (en) * | 2020-04-22 | 2020-08-07 | 朱建华 | Automatic punching machine tool for disc type sheets |
| CN112453532A (en) * | 2020-11-17 | 2021-03-09 | 哈尔滨工业大学 | Special composite cutter for carbon fiber composite spiral hole milling and machining method thereof |
| CN112453532B (en) * | 2020-11-17 | 2022-05-31 | 哈尔滨工业大学 | Special composite cutter for carbon fiber composite spiral hole milling and machining method thereof |
| CN112705764A (en) * | 2020-12-23 | 2021-04-27 | 黄开建 | Drilling reamer tool with staggered blades for hole machining of composite material |
| CN113020668A (en) * | 2021-02-07 | 2021-06-25 | 株洲钻石切削刀具股份有限公司 | Stepped cutting tool |
| CN115091549A (en) * | 2022-07-15 | 2022-09-23 | 洛阳双瑞橡塑科技有限公司 | Drill bit and drilling process based on pultrusion type composite material |
| CN115091549B (en) * | 2022-07-15 | 2024-07-12 | 洛阳双瑞橡塑科技有限公司 | Drill bit based on pultrusion composite material and drilling process |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |
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| RJ01 | Rejection of invention patent application after publication |