CN1935430A - Drilling/grinding integrated combined tool - Google Patents
Drilling/grinding integrated combined tool Download PDFInfo
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- CN1935430A CN1935430A CN 200610048063 CN200610048063A CN1935430A CN 1935430 A CN1935430 A CN 1935430A CN 200610048063 CN200610048063 CN 200610048063 CN 200610048063 A CN200610048063 A CN 200610048063A CN 1935430 A CN1935430 A CN 1935430A
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- 238000000227 grinding Methods 0.000 title claims abstract description 58
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 239000002245 particle Substances 0.000 claims description 20
- 239000003082 abrasive agent Substances 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims description 6
- 239000006061 abrasive grain Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 47
- 239000002131 composite material Substances 0.000 description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 26
- 229910052799 carbon Inorganic materials 0.000 description 26
- 238000000034 method Methods 0.000 description 25
- 239000000835 fiber Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 238000003754 machining Methods 0.000 description 11
- 241001074085 Scophthalmus aquosus Species 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 229910001069 Ti alloy Inorganic materials 0.000 description 9
- 230000002950 deficient Effects 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 239000010432 diamond Substances 0.000 description 8
- 229910003460 diamond Inorganic materials 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 7
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
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- 238000013461 design Methods 0.000 description 4
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- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 229910001651 emery Inorganic materials 0.000 description 1
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- 238000005482 strain hardening Methods 0.000 description 1
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Abstract
The present invention relates to an integral combined cutting-tool with hole-drilling and hole-grinding functions. Said cutting-tool is formed from three portions of counter-boring hole-grinding and hole-sinking section, hole-expanding and hole-grinding section and guide head. Said invention also provides the concrete structure of the above-mentioned every portion and its production method.
Description
Technical field
The invention belongs to machining manufacturing technology field, relate to a kind of drilling/grinding integrated combined tool, particularly at all kinds of high-modulus composites (carbon/quartz, carbon/carbon, carbon fiber enhancing, fiberglass etc.) surperficial through hole or " through hole+counterbore " processing, and a kind of efficient combination drilling cutter that designs with the stacked sub-assembly surface through hole of metal such as titanium alloy, aluminium alloy etc. or " through hole+counterbore " integrated processing.
Background technology
Carbon fibre composite has a series of advantage and is widely used in the Aeronautics and Astronautics field.Hole processing occupies very big proportion in the processing of carbon fiber-containing composite machinery.Because the material self characteristics, cause its processing difficulties, efficient is low, percent defective is high.At present, in the processing of carbon fibre composite, still adopt traditional drill bit, for example high-speed steel drill, carbide drill or the like.But with the processing of traditional drill bit, not only tool wear is fast, and very easily produces burr or defective such as tear and make it become typical difficult-to-machine material, and adopting method for grinding to substitute traditional drilling method is to realize that composite does not have the effective way of veining defect drilling.But for the integrated processing operating mode that requires the stacked sub-assembly of composite/metal material (as titanium alloy or aluminium alloy), because of titanium alloy or aluminium alloy plasticity big, usually can only carry out hole processing with drill bit, and the sticking emery wheel that easily stops up of material, so can not process with method for grinding.Even present most manufacturing enterprise is for the through hole of a Φ 4H9, do not produce burr or defective such as tear for guaranteeing process, can only adopt " boring-reaming-slightly ream-finish ream hole-spot-facing " multiple working procedure processing, just can guarantee the hole crudy.
Interim at periodical " tool technique " the 33rd volume the 2nd, document " the compound brill of novel carbon fiber composite aperture knife tool-electroplated diamond " has been introduced the compound brill of electroplated diamond that is directed to composite processing, this compound brill is made up of the drill bit and the guiding brill of band cone, power in cone and to plate diamond particles, and have two spiral helicine chip dividing grooves of symmetry, rise and hold bits, the chip removal effect, the main effect that guiding is bored is prebored hole, partly play main shear action by the cone diamond coating, the characteristics of this cutter are to have utilized diamond sharp, wear-resisting characteristic, reduce carbon fibre composite and added the defective that produce man-hour, it is different that but guiding was bored with the processing life-span of diamond coating, after guiding is bored blunt, cutting force can significantly increase, and heating is serious, directly influence the life-span of diamond coating, may cause the come off generation of phenomenons such as scaling loss of the coating of cutter, simultaneously, diamond particles is inhomogeneous, the machining accuracy in hole is difficult to guarantee, can't arrive the requirement of workpiece itself,, particularly can't satisfy the integrated processing of the stacked sub-assembly of composite/metal material simultaneously so it is not suitable for the integrated processing in carbon fibre composite hole.
In periodical " mechanic (cold working) " the 5th phase in 2004, document " sharp weapon-brill in rapid processing hole, boring, strand gang tool " has been introduced a kind of brill, boring, strand gang tool, it is that drill bit, boring cutter, three kinds of cutters of reamer are integrated, gathered the quickness and high efficiency of drill bit, the debugging functions of boring cutter, the advantage that the reamer surface roughness is low, three kinds of cutters are that fixed and brazing is contained on the handle of a knife by manual riveting.This cutter be mainly used in metal processing, efficient is higher, surface quality is better, but is not suitable for composite.Three kinds of cutter assemblings are used in addition, assembly precision is difficult for guaranteeing and the assembling difficulty that it is big that bore hole adds the vibration in man-hour, the cutting force instability, when the processing carbon fibre composite, can produce big defective, and this cutter does not reach the requirement of brill, expansion, strand, the integrated processing of ream.
In the patented invention at drilling processing in the past, the example that dissimilar compound tools are arranged, as the disclosed a kind of gang tool of CN2235347Y, this cutter is to realize the brill in hole by additional cutter is set on knife bar, boring, the disposable processing of strand, but the defective of this cutter is, it is just processed the finishing in hole, allowance is little, the installation accuracy of blade directly has influence on the precision in hole, and can not realize reaming, spot-facing processing, it is big particularly to add man-hour cutting force, and this is for requiring very strict carbon fibre composite to be not suitable for more for cutting force; Deburring tool at the disclosed band additional cutting tool of CN1081404A, it is a kind of deburring tool that is used to remove the hole burr, on a throw handle, be provided with one or more radially adjustable bites, simultaneously additional chamfering and the plane that additional cutting tool is realized inside and outside zone, hole can be set, processing when realizing multiple instrument.But this instrument can only be used for the burr of through hole removes processing, belongs to additional process, can't improve working (machining) efficiency, and the centering of cutter simultaneously is poor, can't guarantee machining accuracy and other requirements in hole; Drilling equipment in the disclosed generation chamfered bore of CN1042109A, this device inserts boring bar tool in the drilling machine by drill holder, settle drill bit and bushing plate at the boring bar tool front end, rig produces by drill vibration and has preceding chamfering boring, this equipment is combined into a procedure with two procedures, has improved working (machining) efficiency, but machining accuracy is difficult to guarantee, particularly vibration processing can produce defective for carbon fibre composite and causes scrapping, and it can't realize the integrated processing in hole; Expand strand processing unit (plant) and method at the disclosed brill of CN85204182U, this device provides a kind of device that has improved the quick change aligned cutting tool that hole shape is new in the drill bushing and one and the matching used cutter of assembling.This device has the cutter positioning cover of three difform endoporus, drill bit, cornish bit, reamer are installed respectively, three kinds of cutters are processed to reach the purpose that improves the hole machining accuracy, eliminates the cutter accumulated error respectively to the hole, but when adopting this device, still the hole still needs to machine several times, and the cutter clamping is loaded down with trivial details, it has just avoided the repeated clamping location of workpiece, little for the effect of raising working (machining) efficiency, and device design itself is complicated, has increased the cost of boring; At the disclosed stepped twist drill bit of CN88203889U is the processing that is used to realize shoulder hole, it is that spiral bit is made consubstantiality and the notch cuttype of different-diameter, thereby realize one-shot forming, high accuracy, high efficiency processing, but this processing for carbon fibre composite is far from being enough, the sword type of fluted drill is not suitable for the processing of carbon fibre composite, and can't realize the integrated processing of brill, expansion, ream to the hole.
Carbon fibre composite begins to replace traditional aluminum member in the Aeronautics and Astronautics field, it usually uses with titanium alloy, aluminium alloy etc. are common, and for example aircraft wing adopts carbon fibre composite and titanium alloy manufacturing.Carbon fibre composite is typical difficult-to-machine material, various defectives cause component failure easily to produce layering during boring, tear etc., in actual processing, because carbon fibre composite is different with the processing characteristics of titanium alloy, aluminium alloy, so adopting different cutters usually processes it, need drilling locating hole-boring-reaming-fraising-spot-facing five processes to finish, working (machining) efficiency is low, cost is high, percent defective is high, is the main bottleneck of restriction carbon fibre composite development.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of drilling/grinding integrated combined tool, at all kinds of high-modulus composites (carbon/quartz, carbon/carbon, carbon fiber enhancing, fiberglass etc.) surperficial through hole or " through hole+counterbore " processing, and a kind of efficient combination drilling cutter that designs with the stacked sub-assembly surface through hole of metal such as titanium alloy, aluminium alloy etc. or " through hole+counterbore " integrated processing.
The technical scheme of technical solution problem of the present invention is: the new-type cutter that designs at above-mentioned various deficiencies, and in order to the high-quality and high-efficiency of realizing carbon fibre composite, low-cost processing.Cutter is formed (as shown in Figure 1) by ream mill counterbore section, expansion grinding out section, guide head three parts, ream mill counterbore section and expansion grinding out Duan Jun are useful on the abrasive grain layer that bores mill processing, wherein ream mill counterbore section is conical or cylindrical or circular cone and cylinder combining form or ladder form (shown in Fig. 2-5), expanding the grinding out section is cylinder and circular cone combining form or plating abrasive material drill bit, and guide head (as shown in Figure 6) is the cylinder of front end band chamfering.
Cutter expands grinding out section cylinder and the circular cone combining form comprises correct grinding position, hole, expands the grinding out position and bores grinding out position (as shown in Figure 7), end face has chip area, there is chip-removal hole (as shown in Figure 8) at the center, arranging of surface abrasive particle can be whole evenly distribution, or according to regular distribution of shapes (shown in Fig. 9-14) such as spirality, rhombus, linear, circle or SPL shapes.Varigrained abrasive particle is selected at correct grinding position, hole and expansion grinding out position for use, can realize thick, fine finishining, boring the grinding out position is the cutter end face, there is abrasive material on the surface, and can require to open 2 above chip areas according to difference, expand surface, grinding out position abrasive particle and can adopt abrasive particle to control technology such as electroplating technology, soldering processes, fixed grain sintering process etc., arranging is regular shape.
Expand grinding out parcel plating abrasive material drill bit on common drill bit helical edges, reaching the drill bit (shown in Figure 15,16) that the end is electroplate with abrasive particle.
The connection of cutter ream mill counterbore Duan Yukuo grinding out section can be an overall structure, it also can be the internal taper hole fit structure, it is cylinder fit structure or internal taper hole fit structure with connecting of guide head that cutter expands the grinding out section, expand the endoporus of grinding out section end face by cutter, cutter can make up with guide head, and the endoporus that grinds counterbore section end face by ream can make up with plating abrasive material drill bit.Cutter can make up three parts by the cold setting method, also can wholely make, and the ream mill counterbore section and the grinding out section that expands can be used as independently spot-facing or boring process tool.
Cutter adopts mechanical processing technique, abrasive particle to control technology kinds of processes produced with combination such as (electroplating technology, pricker are defended technology, concretion abrasive sintering process or bonding process).
Effect of the present invention and benefit are: can realize the one-shot forming drilling processing of number of different types material, for example: carbon fibre composite and aluminium alloy combination processing or carbon fibre composite and titanium alloy combination processing etc.; Can realize surperficial through hole or " through hole+counterbore " integrated processing of test specimen; Can realize brill, expansion, strand, the integrated processing of ream, reduce manufacturing procedure, significantly improve working (machining) efficiency.Can be according to various different processing requests, realization is thick, fine finishining is integrated, and chip removal is convenient, significantly improves test specimen crudy, working (machining) efficiency and cutter life.Cutter adopts mechanical processing technique, abrasive particle to control kinds of processes such as technology and is composited, and is easy to make, with low cost.
Description of drawings
A kind of drilling/grinding integrated combined tool schematic diagram of Fig. 1.
Fig. 2 taper ream mill counterbore section schematic diagram.
The cylindrical ream mill of Fig. 3 counterbore section schematic diagram.
Fig. 4 circular cone and cylinder combining form ream mill counterbore section schematic diagram.
Fig. 5 stairstepping ream mill counterbore section schematic diagram.
Fig. 6 guide head schematic diagram
Fig. 7 expands grinding out section cylinder and circular cone combining form schematic diagram.
Fig. 8 bores grinding out position end view.
Fig. 9 complete wear grain expands grinding out section schematic diagram.
Figure 10 spirality expands grinding out section schematic diagram.
Figure 11 rhombus expands grinding out section schematic diagram.
Figure 12 linear expands grinding out section schematic diagram.
The circular grinding out section schematic diagram that expands of Figure 13.
Figure 14 SPL shape is expanded grinding out section schematic diagram.
Figure 15 electroplates abrasive particle drill bit schematic diagram.
Figure 16 electroplates abrasive particle bit face schematic diagram.
Among the figure: 1 ream mill counterbore section, 2 expand the grinding out section, 3 guide heads, 4 correct grinding positions, hole, 5 expand the grinding out position, and 6 bore grinding out position, 7 abrasive particles, 8 chip areas, 9 center chip-removal holes.
The specific embodiment
Be described in detail specific embodiments of the invention below in conjunction with technical scheme and accompanying drawing.
Be a kind of drilling/grinding integrated combined tool among Fig. 1, tool matrix adopts metal material.Ream mill counterbore section 1 adopts taper fit to be connected with expansion grinding out section 2, expanding grinding out section 2 adopts cylinder to be connected with guide head 3, the tool surface abrasive particle adopts electroplating technology (also can adopt pricker to defend technology, concretion abrasive sintering process, bonding process etc.), expanding grinding out section 2 conical section abrasive particles is the coarseness abrasive particle, cylinder part is divided into the fine granularity abrasive particle, to reach thick, the incorporate purpose of fine finishining, drill bit 2 surperficial abrasive particle shapes are electroplated and are complete wear grain, spirality, rhombus, linear, circle, SPL shape or the like, and ream mill counterbore section adopts same abrasive particle.This type of cutter can be used for all kinds of high-modulus composites (carbon/quartz, carbon/carbon, carbon fiber enhancing, fiberglass etc.) surperficial through hole or " through hole+counterbore " processing, and sub-assembly surface through hole or " through hole+counterbore " the integrated processing stacked with metal (titanium alloy, aluminium alloy etc.).
Claims (4)
1. a drilling/grinding integrated combined tool is characterized in that being made up of mill counterbore section, expansion grinding out section and guide head three parts; Ream mill counterbore section and expansion grinding out section have abrasive grain layer; Ream mill counterbore section is conical form, cylindrical form, circular cone and cylinder combining form or ladder form; Expanding the grinding out section is cylinder and circular cone combining form or plating abrasive material drill bit; Guide head is the cylinder of front end band chamfering.
2. a kind of drilling/grinding integrated combined tool according to claim 1 is characterized in that: cylinder and circular cone combining form that cutter expands the grinding out section comprise correct grinding position, hole, expand the grinding out position and bore the grinding out position; Bore grinding out position end face and have chip area, there is chip-removal hole at the center, surperficial abrasive particle according to integral body evenly, regular shapes such as spirality, rhombus, linear, circle or SPL shape arrange.
3. a kind of drilling/grinding integrated combined tool according to claim 1 is characterized in that: expand grinding out parcel plating abrasive material drill bit for reach the drill bit that the end is electroplate with abrasive particle on common drill bit helical edges.
4. a kind of drilling/grinding integrated combined tool according to claim 1 is characterized in that: the connection of cutter ream mill counterbore Duan Yukuo grinding out section is overall structure or internal taper hole fit structure; Cutter expansion grinding out section is cylinder fit structure or internal taper hole fit structure with connecting of guide head, by the endoporus of cutter expansion grinding out section end face, and cutter and guide head combination, the endoporus that grinds counterbore section end face by ream can make up with plating abrasive material drill bit.
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|---|---|---|---|
| CN 200610048063 CN1935430A (en) | 2006-10-17 | 2006-10-17 | Drilling/grinding integrated combined tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048063 CN1935430A (en) | 2006-10-17 | 2006-10-17 | Drilling/grinding integrated combined tool |
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| CN1935430A true CN1935430A (en) | 2007-03-28 |
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| GB2445417A (en) * | 2007-01-04 | 2008-07-09 | Richard John Spratley | Earthing drill |
| CN101474828A (en) * | 2007-12-17 | 2009-07-08 | 罗伯特·博世有限公司 | Abrasive coated bit |
| CN102229211A (en) * | 2010-12-30 | 2011-11-02 | 洛阳金诺机械工程有限公司 | Crystalline material grinding and boring drill capable of removing chips automatically |
| CN102489754A (en) * | 2011-12-15 | 2012-06-13 | 常州市银鹭数控刀具厂 | Bore cutter |
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- 2006-10-17 CN CN 200610048063 patent/CN1935430A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2445417A (en) * | 2007-01-04 | 2008-07-09 | Richard John Spratley | Earthing drill |
| CN101474828A (en) * | 2007-12-17 | 2009-07-08 | 罗伯特·博世有限公司 | Abrasive coated bit |
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