CN203509081U - Cutter of extra-high-pressure inner-cooling structure - Google Patents
Cutter of extra-high-pressure inner-cooling structure Download PDFInfo
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- CN203509081U CN203509081U CN201320618558.7U CN201320618558U CN203509081U CN 203509081 U CN203509081 U CN 203509081U CN 201320618558 U CN201320618558 U CN 201320618558U CN 203509081 U CN203509081 U CN 203509081U
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims description 31
- 238000012546 transfer Methods 0.000 claims description 28
- 239000000498 cooling water Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000007514 turning Methods 0.000 description 7
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a cutter of an extra-high-pressure inner-cooling structure, and belongs to the technical field of machining manufacturing. The cutter is mainly suitable for machining various half-closed deep type cavities in complex structures, has the functions of strong cooling and extra-high-pressure target type inner-cooling chip breaking, and effectively solves the technical problems that chip breaking, cutter striking, vibration and the like are difficult to carry out in machining of the half-closed deep type cavities. The cutter comprises a cutter base body. A first through hole is arranged in the cutter base body, a groove is arranged in the inner end face of the cutter base body, one end of a changeover handle is connected with the groove of the cutter base body, the other end of the changeover handle is connected with a cutter plate, a second through hole and a third through hole are arranged in the changeover handle, the cutter plate is composed of a cutter body and a blade connecting base, a blade is arranged on the top of the blade connecting base, and a fourth through hole is arranged in the cutter plate; the first through hole is communicated with the second through hole which is communicated with a center cavity; the third through hole is communicated with the center cavity and the fourth through hole; a vertical cutter plate or an inclined cutter plate is adopted to serve as the cutter plate.
Description
Technical field
The utility model belongs to machining manufacturing technology field, relates to a kind of cutter of super-pressure inner-cooling structure, is mainly used in the various baroque semiclosed dark die cavities of processing.
Background technology
In Machining Technology field, particularly in aero-engine, gas turbine integral disc axial workpiece, the processing and manufacturing of drum tube kind part, the cutter structure of baroque semiclosed dark pocket machining and employing is the key problem in technology of this type of processing all the time, be directly connected to qualification rate, processing cost and the working (machining) efficiency of part, so the cutter structure that this type of processing method particularly adopted receives much concern always.
A new generation's aero-engine, owing to having there is very big variation in the structure of part, various baroque dark die cavities occur more and more, machining to part has proposed acid test, as integral disc-shaft part, there is the features such as complex structure, dimensional accuracy are high, thin-walled poor rigidity, the difficult processing of material, particularly the oblique cone wall of part and the disc of wheel disc have formed semiclosed dark cavity structure, and unlimited property is poor, complex structure; In process, because cutter advance and retreat cutter difficulty, cutter and part easily produce collision, interfere, difficulty of processing is very big, and particularly, when the typical dark die cavity of roughing, body to be processed is solid construction, and allowance is just larger, and this is very unfavorable to processing.Existing processing technology, adopts universal machine folder tool sharpening, blindly looks lower operation, has produced the technical barriers such as cutting is wound around, vibrates, forges a knife, part is scrapped.
Development along with technology, machining accuracy and manufacturing technology level have been proposed to strict requirement, baroque semiclosed dark pocket machining technology has become a technical barrier urgently to be resolved hurrily, be badly in need of a kind of technique effect good, for the dedicated tool of baroque semiclosed dark pocket machining, meet the processing needs of the semiclosed dark die cavity of different parts.
Utility model content
The problem existing for prior art, the utility model provides a kind of cutter of super-pressure inner-cooling structure, it has cold chip breaking function in powerful cooling and super-pressure target formula, effectively solved in semiclosed dark pocket machining be difficult to chip breaking, forge a knife, the technique difficult problem such as vibration, can in the complex structure part of aero-engine, gas turbine and series of products, be applicable, in machining manufacturing technology field, have broad application prospects.
To achieve these goals, the utility model adopts following technical scheme: a kind of cutter of super-pressure inner-cooling structure, comprise tool post, and in tool post, be provided with the first through hole; On the inner face of tool post, be provided with groove, transfer handle one end is arranged in the groove of tool post, and is connected by the connecting bolt being arranged in groove with tool post, between transfer handle and connecting bolt, forms center cavity; The transfer handle other end is connected with knife plate, is provided with the second through hole and third through-hole in transfer handle; Knife plate is comprised of blade and blade Connection Block, and knife plate bottom is blade, and it is connected with transfer handle, and knife plate top is blade Connection Block, and blade Connection Block is connected with blade, at blade Connection Block top, is provided with blade, is provided with fourth hole in knife plate; The water inlet of described the first through hole is high-pressure cooling water water inlet, and the delivery port of the first through hole is connected with the water inlet of the second through hole of transfer handle, and the delivery port of the second through hole is connected with center cavity; The water inlet of third through-hole is connected with center cavity, and the delivery port of third through-hole is connected with the water inlet of the fourth hole of knife plate, and the delivery port of fourth hole is cutter cooling water spout, and it is arranged on blade Connection Block top; Described knife plate adopts vertical knife plate or inclination knife plate.
The delivery port of the fourth hole of described knife plate is that cutter cooling water spout number is three, corresponding with the cutting position, three of left, center, right of blade rake face respectively.
The diameter of described the first through hole is greater than the diameter of the second through hole, third through-hole and fourth hole, and the diameter of the second through hole, third through-hole and fourth hole is identical.
On described blade Connection Block, be provided with T-shaped positioning boss, blade Connection Block is connected with the T-shaped locating slot on blade by T-shaped positioning boss.
Described blade adopts cutting knife or round end blade.
Described transfer handle two ends are set for the eccentric.
The beneficial effects of the utility model:
The cutter of a kind of super-pressure inner-cooling structure of the present utility model, traditional cutter structure and cooked mode have been changed, effectively solved in semiclosed dark pocket machining blind depending on lower operation, smear metal winding, chip breaking, cooling, forge a knife, every technical bottleneck such as vibration, for the processing of this type of part provides practicable cutter scheme.Accessory size, technical conditions after processing meet design requirement completely, working (machining) efficiency has improved 3 times, product overproof rate has declined more than 70%, make part cutting linear velocity improve 20m/min, surface roughness value has reduced a grade, cutter life improves 1.5 times, the bottleneck problem that the impact such as solved that part quality is unstable for a long time, overproof rate is high, the process-cycle is long is paid, for the high-quality and efficient processing of aero-engine complex parts provides practicable cutter scheme and process.
There is basic change in cutter structure of the present utility model, there is domestically leading level, technology, economy, quality and benifit are remarkable, in aero-engine, gas turbine manufacturing technology field, there is wide application and conversion prospect, especially more unique feature in the dark pocket machining of dish drum, axle journal part special construction.The utility model can be on the basis of cutter structure, dimensional parameters design principle, according to actual processing, suitably improve, adjust tool dimension parameter, be applicable to more this series products, expand user demand, create huge economic benefit and the excellent results that reaches technology, quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cutter of of the present utility model a kind of super-pressure inner-cooling structure of employing inclination knife plate;
Fig. 2 is the structural representation after vertical knife plate is connected with blade;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation after inclination knife plate is connected with blade;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation of transfer handle of the present utility model;
Fig. 7 is the structural representation after tool post of the present utility model is connected with connecting bolt;
Fig. 8 is the structural representation of the use state of the cutter of the super-pressure inner-cooling structure of the present utility model of employing inclination knife plate;
In figure, 1-tool post, 2-transfer handle, 3-knife plate, 4-blade, 5-blade Connection Block, 6-connecting bolt, the 7-the first through hole, 8-high-pressure cooling water water inlet, the 9-the second through hole, 10-third through-hole, 11-center cavity, 12-fourth hole, 13-cutter cooling water spout, 14-blade, 15-integral disc-shaft part, 16-flat inner chamber, 17-triangle inner chamber, 18-inner chamber disc, 19-inner chamber root, 20-inner chamber inner conical surface.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1～7, a kind of cutter of super-pressure inner-cooling structure, comprises tool post 1, is provided with the first through hole 7 in tool post 1; On the inner face of tool post 1, be provided with groove, transfer handle 2 one end are arranged in the groove of tool post 1, and be connected by the connecting bolt 6 being arranged in groove with tool post 1, between transfer handle 2 and connecting bolt 6, form center cavity 11, be used for preventing that cooling water from refluxing; Transfer handle 2 other ends are connected with knife plate 3, are provided with the second through hole 9 and third through-hole 10 in transfer handle 2; Knife plate 3 is comprised of blade 4 and blade Connection Block 5, and knife plate 3 bottoms are blade 4, and it is connected with transfer handle 2, knife plate 3 tops are blade Connection Block 5, blade Connection Block 5 is connected with blade 4, at blade Connection Block 5 tops, is provided with blade 14, is provided with fourth hole 12 in knife plate 3; The water inlet of described the first through hole 7 is high-pressure cooling water water inlet 8, and it is arranged on the sidewall of tool post 1, and the delivery port of the first through hole 7 is connected with the water inlet of the second through hole 9 of transfer handle 2, and the delivery port of the second through hole 9 is connected with center cavity 11; The water inlet of third through-hole 10 is connected with center cavity 11, and the delivery port of third through-hole 10 is connected with the water inlet of the fourth hole 12 of knife plate 3, and the delivery port of fourth hole 12 is cutter cooling water spout 13, and it is arranged on blade Connection Block 5 tops; Described knife plate 3 adopts vertical knife plate or inclination knife plates, and when blade Connection Block 5 and the blade 4 of knife plate 3 arranges point-blank, blade Connection Block 5 is vertical with the horizontal plane of transfer handle 2, is vertical knife plate; When the blade Connection Block 5 of knife plate 3 and blade 4 not point-blank, it is the horizontal plane out of plumb of blade Connection Block 5 and transfer handle 2, and blade Connection Block 5 is towards transfer handle 2 one sides, is inclination knife plate, and the blade Connection Block 5 of described inclination knife plate is 150 ° with the angle that blade 4 forms.
The delivery port of the fourth hole 12 of described knife plate 3 is that cutter cooling water spout 13 numbers are three, and diameter is ф 1mm, and corresponding with the cutting position, three of left, center, right of blade 14 rake faces respectively, the water inlet diameter of fourth hole 12 is ф 3mm.
The diameter of described the first through hole 7 is ф 5.5mm, and the diameter of the second through hole 9 and third through-hole 10 is ф 3mm.
On described blade Connection Block 5, be provided with T-shaped positioning boss, blade Connection Block 5 is connected with the T-shaped locating slot on blade 14 by T-shaped positioning boss.
Described blade 14 adopts cutting knife or round end blade.
Described transfer handle 2 two ends are set for the eccentric, and eccentric distance is 30mm, and knife plate 3 length are extended, thereby have improved the accessibility of cutter dark chamber processing, have met the needs of dark chamber cutting.
Described knife plate 3 is highly 120mm, and after transfer handle 2 is connected with knife plate 3, length is 130mm, and cutter overall length is 251mm.
As shown in Figure 8, certain integral disc-shaft part 15 lumen openings width is only 40mm, inner chamber radial depth reaches 79.5mm, inner chamber root 19 width are only 10mm, open wide property very poor, and be the dark die cavity that the inner chamber inner conical surface 20 that tilts with 54 degree forms semiclosed, many circular arcs switchings, cutter advance and retreat cutter difficulty, it is very big that in process, cutter and part easily produce collision, interference, difficulty of processing.During typical dark die-cavity roughing, be particularly solid construction completely, allowance is larger.
Take that to process these integral disc-shaft part 15 inner chambers be example, the using method of the cutter of described super-pressure inner-cooling structure, specifically comprises the steps:
Step 1: slightly open inner chamber
The blade 14 of described cutter adopts cutting knife, and knife plate 3 adopts vertical knife plate; By Cutting tool installation manner, on lathe, tool setting, adopts vertical advance and retreat cutter mode to cut, incision in turn, and constant linear velocity cutting, until form flat inner chamber 16 backed off after randoms that the degree of depth is 35mm;
Adopt parameter: blade width: 6mm; Linear velocity: 65m/min; Cutting of each cutting is wide: 4～5mm; Every layer of cutting-in 2～3mm;
Step 2: dark car inner chamber
Change cutting knife, tool setting, adopts vertical advance and retreat cutter mode to cut, incision in turn, and constant linear velocity cutting, until form triangle inner chamber 17 backed off after randoms;
Adopt parameter: blade width: 4mm; Linear velocity: 60m/min; Cutting of each cutting is wide: 3～4mm; Every layer of cutting-in: 2mm; Feed rate: 0.05-0.1mm/r;
Step 3: car inner chamber disc
The blade 14 of described cutter adopts round end blade, and knife plate 3 adopts inclination knife plate; By Cutting tool installation manner, on lathe, tool setting, adopts axial stratification cutting way turning disc;
Adopt parameter: blade diameter: ф 6mm; Every layer of cutting depth≤0.5mm; Interior cold pressure: 30MPa; Linear velocity: 70m/min;
Step 4: car inner chamber root
Circular arc inner chamber root 19 process tools are identical with inner chamber disc 18 process tools, tool track and cutting way are radially layered cutting, and repeatedly withdrawing is beneficial to chip removal, at inner chamber root 19 circular arc highest points, connects cutter, guarantee the accessibility of cutting, form the inner chamber root 19 of round and smooth switching;
Step 5: finish turning inner chamber
Changing diameter is the round end blade of ф 8mm, and tool setting adopts axial stratification cutting way finish turning inner chamber inner conical surface 20, inner chamber disc 18, adopts radially layered cutting way finish turning inner chamber root 19, until form the inner chamber machined surface profile of round and smooth switching.
In finish turning inner chamber process, apply B axle and swung Technology for Turning Machining and constant linear velocity cutting, X, Z, the turning of B axle three-shaft linkage have been realized, complicated inner cavity profile fine finishining needs have been met, complete the processing of whole dark die cavity, reduce tool changing, connect cutter number of times, effectively avoided vibration cutting and machined trace, improved crudy.
In use, first the high-pressure cooling water water inlet 8 on tool post 1 of the present utility model is connected with the cooling tube of machine tool chief axis end face, at lathe, provide in the super-pressure situation of 30MPa, the cooling water of super-pressure is successively by the first through hole 7 on tool post 1, the second through hole 9 on transfer handle 2, center cavity 11, third through-hole 10, fourth hole 12 on knife plate 3 and the delivery port of fourth hole 12 are cutter cooling water spout 13, accurately be ejected into a left side for blade 14 rake faces, in, right three cutting positions, during cutting, working as smear metal rolls up the moment of bits along rake face, the heat that the cooling water of super-pressure produces cutting is taken away rapidly, smear metal is due to very fast cooling generation embrittlement, the cooling water of super-pressure forms wedge-like water column between cutter rake face and smear metal simultaneously, by the powerful impulsive force of 30MPa super-pressure pressure initiation, smear metal is interrupted, thereby realized cold chip breaking effect in super-pressure target formula.
Claims (6)
1. a cutter for super-pressure inner-cooling structure, is characterized in that comprising tool post, is provided with the first through hole in tool post; On the inner face of tool post, be provided with groove, transfer handle one end is arranged in the groove of tool post, and is connected by the connecting bolt being arranged in groove with tool post, between transfer handle and connecting bolt, forms center cavity; The transfer handle other end is connected with knife plate, is provided with the second through hole and third through-hole in transfer handle; Knife plate is comprised of blade and blade Connection Block, and knife plate bottom is blade, and it is connected with transfer handle, and knife plate top is blade Connection Block, and blade Connection Block is connected with blade, at blade Connection Block top, is provided with blade, is provided with fourth hole in knife plate; The water inlet of described the first through hole is high-pressure cooling water water inlet, and the delivery port of the first through hole is connected with the water inlet of the second through hole of transfer handle, and the delivery port of the second through hole is connected with center cavity; The water inlet of third through-hole is connected with center cavity, and the delivery port of third through-hole is connected with the water inlet of the fourth hole of knife plate, and the delivery port of fourth hole is cutter cooling water spout, and it is arranged on blade Connection Block top; Described knife plate adopts vertical knife plate or inclination knife plate.
2. the cutter of super-pressure inner-cooling structure according to claim 1, the delivery port that it is characterized in that the fourth hole of described knife plate is that cutter cooling water spout number is three, corresponding with the cutting position, three of left, center, right of blade rake face respectively.
3. the cutter of super-pressure inner-cooling structure according to claim 1, is characterized in that the diameter of described the first through hole is greater than the diameter of the second through hole, third through-hole and fourth hole, and the diameter of the second through hole, third through-hole and fourth hole is identical.
4. the cutter of super-pressure inner-cooling structure according to claim 1, is characterized in that being provided with T-shaped positioning boss on described blade Connection Block, and blade Connection Block is connected with the T-shaped locating slot on blade by T-shaped positioning boss.
5. the cutter of super-pressure inner-cooling structure according to claim 1, is characterized in that described blade adopts cutting knife or round end blade.
6. the cutter of super-pressure inner-cooling structure according to claim 1, is characterized in that described transfer handle two ends are set for the eccentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618558.7U CN203509081U (en) | 2013-09-30 | 2013-09-30 | Cutter of extra-high-pressure inner-cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618558.7U CN203509081U (en) | 2013-09-30 | 2013-09-30 | Cutter of extra-high-pressure inner-cooling structure |
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| Publication Number | Publication Date |
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| CN203509081U true CN203509081U (en) | 2014-04-02 |
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|---|---|---|---|
| CN201320618558.7U Expired - Fee Related CN203509081U (en) | 2013-09-30 | 2013-09-30 | Cutter of extra-high-pressure inner-cooling structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586495A (en) * | 2013-09-30 | 2014-02-19 | 沈阳黎明航空发动机(集团)有限责任公司 | Cutting tool of ultra-high-pressure inner-cooling structure and using method for cutting tool |
| CN108816128A (en) * | 2018-05-22 | 2018-11-16 | 徐州腾睿智能装备有限公司 | One kind injecting mixing arrangement for surface water runoff purifying plant cultivation block medicament |
| CN110480039A (en) * | 2019-09-12 | 2019-11-22 | 无锡航亚科技股份有限公司 | A kind of cutter and processing method for processing aero-engine welding disc intracoelomic cavity |
-
2013
- 2013-09-30 CN CN201320618558.7U patent/CN203509081U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586495A (en) * | 2013-09-30 | 2014-02-19 | 沈阳黎明航空发动机(集团)有限责任公司 | Cutting tool of ultra-high-pressure inner-cooling structure and using method for cutting tool |
| CN108816128A (en) * | 2018-05-22 | 2018-11-16 | 徐州腾睿智能装备有限公司 | One kind injecting mixing arrangement for surface water runoff purifying plant cultivation block medicament |
| CN110480039A (en) * | 2019-09-12 | 2019-11-22 | 无锡航亚科技股份有限公司 | A kind of cutter and processing method for processing aero-engine welding disc intracoelomic cavity |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20170930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |