CN108466090A - A kind of blisk disk Milling Machining ring flange cutter clamping structure - Google Patents
A kind of blisk disk Milling Machining ring flange cutter clamping structure Download PDFInfo
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- CN108466090A CN108466090A CN201810197988.3A CN201810197988A CN108466090A CN 108466090 A CN108466090 A CN 108466090A CN 201810197988 A CN201810197988 A CN 201810197988A CN 108466090 A CN108466090 A CN 108466090A
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- China
- Prior art keywords
- compact heap
- wire rod
- ring flange
- rod quality
- blisk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The present invention relates to a kind of blisk disk Milling Machining ring flange cutter clamping structures, wire rod quality is mounted on ring flange side by key, the internal thread of two compact heaps is screwed with the external screw thread on ring flange respectively makes compact heap compress wire rod quality, forms the wire rod quality clamping structure of high rigidity；The compact heap outer ring is provided with card slot；When tool changing, spanner is stuck in the corresponding card slot of two compact heaps, lays down two compact heaps successively, carries out the tool changing work of wire rod quality.This structure can effectively reduce the vibration in processed kind of wire rod quality, increase disk milling structural rigidity, improve the processing quality of aircraft leaf dish, and can realize rapid changing knife, improve the processing efficiency of blisk.Number of parts in the present invention is few, only ring flange, wire rod quality, big compact heap, 5 kinds of small compact heap, flat key parts, it is positioned by flange side surface, size compact heap is locked, wire rod quality installation positioning accuracy not only can be improved, and greatly improve wire rod quality tool-changing speed, 3 times or more are improved than the tool change time in background technology.
Description
Technical field
The present invention relates to a kind of field of machining belonging to aero-engine blisk, blisk disk Milling Machining methods
Blue disk cutter clamping structure.
Background technology
Document 1 " the Chinese utility model of Authorization Notice No. CN 203019101U ", it is fast to disclose a kind of open type blisk
Quick change knife system.In conjunction with attached drawing 1, all parts are all mounted in babinet 9 in the device, and wire rod quality 2 passes through with cutter spindle 22
Two flat keys 14 connect, and the conical surface of cutter spindle 22 coordinates with the taper hole of milling cutter gear shaft 8, drawing of the blind rivet 7 in milling cutter gear shaft 8
Nail hole is threadedly coupled across milling cutter gear shaft 8 with cutter spindle 22, and locking nut 21 is connected through a screw thread with cutter spindle 22, convex block 13
Axially position, the first axle sleeve 10, the second axle sleeve 11, bearing shell 16, third axle sleeve 17, the 4th axle sleeve are carried out to milling cutter 2 with lantern ring 15
18, the 5th axle sleeve 19, the 6th axle sleeve 20 play the role of adjusting axial gap.When tool changing, locking nut 21 and blind rivet 7 are unclamped,
The replaceable wire rod quality in enough spaces 2 is extracted by cutter spindle 22 is outer in the axial direction.Number of parts is more in the device, causes to install
Positioning is inaccurate, and tool change time is long, to play the role of rapid changing knife.
Blisk is high thrust-weight ratio, the core component of high-performance enginer and aerospace, national defence, the energy, power
Equal fields Grand Equipments realize loss of weight, synergy and the vital part for improving performance.Compared with traditional blades and wheel hub assembling structure,
Blisk saves tenon, tongue-and-groove and corresponding connector, alleviates weight, improves thrust-weight ratio, makes the work longevity of engine
Life gets a promotion with security reliability.But due to blisk channel is narrow, curvature is small and edge thickness is not before and after changing big, blade
Together, and the operating condition of blisk is mostly the bad working environments such as high temperature, high pressure, high rotating speed, so generally using titanium alloy, high temperature
The difficult-to-machine materials such as alloy manufacture, and so that its manufacturing technology is belonged to international problem.Therefore, realize that blisk is efficient, high-quality
Amount, inexpensive digital control processing are the core keys for promoting national Grand Equipments manufacture level, improving aero-engine working performance
Technology.
Currently, the domestic general Five Axis lathe for generally relying on import in terms of blisk processing inserts milling, it is difficult to meet
The high efficiency, low cost manufacture of blisk part requires.Especially in its roughing stage, the tool specification that process uses is more
And tool wear is serious, leads to that the process-cycle is long, efficiency is low, cost is high.In addition, external newly grind blisk processing work
Skill carries out tight technology blockage with equipment technology to China.
Data shows, the manufacture of certain novel aero-engine level-one fan blisk, roughing material removal amount of slotting
Account for about 90%, using high-precision and the general five-axis machining center of high-cost import, even if using advanced slotting miller skill skill
Art, fluting roughing still need to 40~50 day time.Processing efficiency is extremely low, has been difficult batch for adapting to domestic air mail engine
Quantify production requirement, it is serious to restrict China's a new generation's aero engine technology progress and autonomous innovation, limit China's Aviation Industry
The sustainable development of great-leap-forward development and national economy.
Disk Milling Machining because its cutting force is big, it is high in machining efficiency the features such as, be widely used to field of machining, such as Chinese yeast
The fluting of rate propeller large size blade processing and blisk is processed.Experiments verify that disk milling fluting processing efficiency is insert milling 2
Times or more, disk milling is applied to the fluting processing of blisk can effectively improve the processing efficiency of blisk.
Based on above-mentioned background, a kind of compound milling of new method-of blisk digital control processing is proposed, i.e., first with disk milling
Into row of channels fluting roughing, big surplus excision is realized；It carries out expanding groove processing and curve generating using slotting milling again, finally utilize
Side milling carries out semifinishing, realizes and removes rib back chipping.Experiment shows:Compound miller skill improves blisk compared to slotting miller artistic skill
3 times of processing efficiency of slotting or more.Three kinds of techniques are integrated on a machine tool and are formed the special dress of the compound milling of blisk
Standby-compound milling machine of aero-engine blisk effective powerful.It wherein inserts milling and side milling technique is more mature, knife used
The range of choice of tool is wider, and referential experience is also more.Disk milling is applied to the processing of blisk, and to belong to a kind of new process new
Method, and wire rod quality volume and quality are all larger, when processing, unavoidably generate vibration, not only it cannot be guaranteed that the processing of part
Precision can also aggravate the abrasion of cutter, so the installation way of wire rod quality must be rationally designed, to reduce vibration, ensure disk
The dynamic property of milling cutter improves the processing quality of blisk, and energy rapid changing knife, improves the processing efficiency of blisk.
Invention content
Technical problems to be solved
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of blisk disk Milling Machining ring flange cutter dress
Clamping structure, using one side positioning of ring flange, size compact heap axial locking wire rod quality, number of parts is few, and accurate positioning, than the back of the body
Tool change time in scape technology can be improved 3 times or more.
Technical solution
A kind of blisk disk Milling Machining ring flange cutter clamping structure, it is characterised in that including ring flange 1, big compact heap
3, small compact heap 4；Ring flange 1 is side band axle construction, and an annular projection 5 is equipped between axis and ring flange 1, and axis is equipped with outer spiral shell
Line, big compact heap 3 and small compact heap 4 are fixed on by internal thread on the external screw thread on 1 axis of ring flange；On the annular projection 5
If there are two keyway, the position of the thickness of annular projection 5, diameter and two keyways with the thickness, interior that needs clamping wire rod quality 2
Hole and the first flat key 7 and the second flat key 8 match.
The outer ring of the big compact heap 3 is provided with card slot.
The outer ring of the small compact heap 4 is provided with card slot.
The card slot is symmetrically and evenly distributed in the outer ring of big compact heap 3 and small compact heap 4.
Advantageous effect
A kind of blisk disk Milling Machining ring flange cutter clamping structure proposed by the present invention, wire rod quality are mounted on by key
Ring flange side, the internal thread of two compact heaps is screwed with the external screw thread on ring flange respectively makes compact heap compress wire rod quality, shape
At the wire rod quality clamping structure of high rigidity；The compact heap outer ring is provided with card slot；When tool changing, spanner is stuck in two compressions
In the corresponding card slot of block, two compact heaps are laid down successively, carry out the tool changing work of wire rod quality.This structure can effectively reduce wire rod quality
Vibration in processed kind increases disk milling structural rigidity, improves the processing quality of aircraft leaf dish, and can realize rapid changing knife, carries
The processing efficiency of high blisk.
Beneficial effects of the present invention：Compared to background technology, the number of parts in the present invention is few, only ring flange, disk milling
Knife, big compact heap, 5 kinds of small compact heap, flat key parts are positioned by flange side surface, and the locking of size compact heap not only can be improved
Wire rod quality installs positioning accuracy, and greatly improves wire rod quality tool-changing speed, than the tool change time in background technology improve 3 times with
On.
Description of the drawings
Fig. 1：Technical background figure-Quick tool changing device of open integral blade disk overall structure figure
Fig. 2：Blisk disk Milling Machining ring flange cutter clamping structure explosive view of the present invention；
Fig. 3：Fig. 1 assembling schematic diagrams；
Wherein, in technical background attached drawing 1：2- wire rod qualities；7- blind rivets；8- milling cutter gear shafts；9- babinets；The first axle sleeves of 10-；
The second axle sleeves of 11-；13- convex blocks；14- flat keys；15- lantern rings；16- bearing shells；17- third axle sleeves；The 4th axle sleeves of 18-；The 5th axis of 19-
Set；The 6th axle sleeves of 20-；21- locking nuts；22- cutter spindles；
In Fig. 2-3：1- ring flanges；2- wire rod qualities；The big compact heaps of 3-；The small compact heaps of 4-；5- annular projections；6- card slots；7-
First flat key；Second flat key 8.
Specific implementation mode
In conjunction with embodiment, attached drawing, the invention will be further described：
In conjunction with attached drawing 2 and 3, wire rod quality 2 is mounted on the annular projection 5 of ring flange 1 by the first flat key 7 and the second flat key 8
On, the internal thread of big compact heap 3 and small compact heap 4 is screwed with the external screw thread on ring flange 1 respectively makes compact heap compress wire rod quality
2, form the wire rod quality clamping structure of high rigidity；The outer ring of big compact heap 3 and small compact heap 4 is provided with card slot 6；When tool changing, pull
Hand is stuck in the corresponding card slot of compact heap 6, lays down two compact heaps successively, carries out the tool changing work of wire rod quality.
The compact heap is small one and large one, and big compact heap 3 compresses wire rod quality 2 and 1 locking plate milling of ring flange close to wire rod quality 2
Knife 2, small compact heap 4 lock big compact heap 3 axially further close to big compact heap 3.
The card slot 6 is symmetrical along big compact heap 3 and 4 circumference of small compact heap.
First, for the present invention to reduce blisk disk Milling Machining tool change time, raising blisk processing efficiency is target,
For the mass production demand of the domestic aero-engine of new generation of adaptation, disk milling is applied to the fluting roughing of blisk,
The blisk disk Milling Machining ring flange cutter clamping mechanism with independent intellectual property right is developed, and then it is whole to solve aero-engine
The problems such as body leaf dish disk milling is slotted in process, and installation positioning accuracy is low, tool change time is long realizes high performance turbine of new generation
The high efficiency manufacture of blisk of engine.
In conjunction with Fig. 2 and Fig. 3：Entire mechanism is made of ring flange 1, wire rod quality 2, big compact heap 3, small compact heap 4, wire rod quality
2 are mounted on by the first flat key 7 and the second flat key 8 on the annular projection 5 of 1 side of ring flange；It is installation with the left side of ring flange 1
Reference plane, big compact heap 3 are connect by internal thread with the external screw thread on ring flange 1, are mounted on ring flange 1, axially position is simultaneously
Lock wire rod quality 2；Small compact heap 4 is connect by internal thread on ring flange 1 external screw thread on the ring flange 1, it is axial into
One step locks wire rod quality 2, you can carries out disk Milling Machining.After the completion of disk Milling Machining, big compact heap 3 and small compact heap are stuck in spanner
In 4 card slot 6, small compact heap 4 and big compact heap 3 are laid down successively, carry out the tool changing of wire rod quality 2；After the completion of tool changing, more than repetition
It acts and sustainable carries out disk Milling Machining.
Wherein, the structure feature of ring flange 1 can meet the matching requirements of wire rod quality 2.Annular projection 5 with keyway is just
With the inner hole of wire rod quality 2, the two is connected by two the first symmetrical flat keys 7 and the second flat key 8.Only so design
It is symmetrical at two keyways, be because wire rod quality 2 be relatively large in diameter (420mm), during the cutting process can by larger impact,
To generate larger radial-thrust force, in order to reduce torque when wire rod quality 2 is connect with ring flange 1, therefore it is optimized for double bond structure.
And double bond structure is for single key structure, it is possible to prevente effectively from the local feature that wire rod quality 2 is worn, improves 2 longevity of wire rod quality
Life.
Small one and large one compact heap is set, and big compact heap 3 plays a major role to wire rod quality axial locking first, small compact heap 4
Coupling mechanism force it is relatively small, only have locking effect to big compact heap 3, most by the collective effect of big compact heap 3 and small compact heap 4
The axial locking of wire rod quality 2 is realized eventually.And it is set as small one and large one compact heap, it can both mitigate the weight of wire rod quality 2, increase knot
Structure rigidity, and can to avoid in cutting process because wire rod quality 2 it is blocked up caused by interference problem.
Furthermore it is uniformly distributed six card slots 6 on big compact heap 3 and small compact heap 4, is mainly used for easy to disassemble.Dismounting
Spanner is used to block big compact heap 3 and symmetrical two card slots 6 of small compact heap 4 respectively in the process, it is convenient to be torn open
It removes.
Claims (4)
1. a kind of blisk disk Milling Machining ring flange cutter clamping structure, it is characterised in that including ring flange (1), big compact heap
(3), small compact heap (4)；Ring flange (1) is side band axle construction, and an annular projection (5), axis are equipped between axis and ring flange (1)
It is fixed on the external screw thread on ring flange (1) axis by internal thread equipped with external screw thread, big compact heap (3) and small compact heap (4)；
Set on the annular projection (5) there are two keyway, the position of the thickness of annular projection (5), diameter and two keyways with needs
Thickness, endoporus and the first flat key (7) and the second flat key (8) of clamping wire rod quality (2) match.
2. blisk disk Milling Machining ring flange cutter clamping structure according to claim 1, it is characterised in that：The big pressure
The outer ring of tight block (3) is provided with card slot.
3. blisk disk Milling Machining ring flange cutter clamping structure according to claim 1, it is characterised in that：The small pressure
The outer ring of tight block (4) is provided with card slot.
4. according to the blisk disk Milling Machining ring flange cutter clamping structure of claim 1 or 3, it is characterised in that：It is described
Card slot is symmetrically and evenly distributed in the outer ring of big compact heap (3) and small compact heap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810197988.3A CN108466090A (en) | 2018-03-12 | 2018-03-12 | A kind of blisk disk Milling Machining ring flange cutter clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810197988.3A CN108466090A (en) | 2018-03-12 | 2018-03-12 | A kind of blisk disk Milling Machining ring flange cutter clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108466090A true CN108466090A (en) | 2018-08-31 |
Family
ID=63264326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810197988.3A Pending CN108466090A (en) | 2018-03-12 | 2018-03-12 | A kind of blisk disk Milling Machining ring flange cutter clamping structure |
Country Status (1)
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| CN (1) | CN108466090A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814790A (en) * | 2019-11-07 | 2020-02-21 | 西安图唯谷创新科技有限公司 | Device and method for installing and releasing disc-shaped cutter of machine tool spindle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373124A1 (en) * | 1988-11-30 | 1990-06-13 | BAKUER ITALIANA S.p.A. | Joint for a modular tool carrier of a machine tool for machining metals or other materials |
| CN203228052U (en) * | 2013-05-24 | 2013-10-09 | 浙江双六工具有限公司 | Keyway milling cutter clamp |
| CN204159953U (en) * | 2014-10-10 | 2015-02-18 | 上海精韧激光科技有限公司 | For the cutter of composite milling processing |
| CN106217083A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | Sprocket wheel keyway processing Jian Chi center alignment device and alignment method |
| CN106363217A (en) * | 2016-11-29 | 2017-02-01 | 哈尔滨理工大学 | Disc milling cutter adopting flatly staggered teeth and variable cutting width and applied to slotting rough machining of blisk channel |
| CN106891052A (en) * | 2017-04-27 | 2017-06-27 | 沈阳飞机工业（集团）有限公司 | A kind of T-shaped milling cutter of Novel major diameter |
-
2018
- 2018-03-12 CN CN201810197988.3A patent/CN108466090A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373124A1 (en) * | 1988-11-30 | 1990-06-13 | BAKUER ITALIANA S.p.A. | Joint for a modular tool carrier of a machine tool for machining metals or other materials |
| CN203228052U (en) * | 2013-05-24 | 2013-10-09 | 浙江双六工具有限公司 | Keyway milling cutter clamp |
| CN204159953U (en) * | 2014-10-10 | 2015-02-18 | 上海精韧激光科技有限公司 | For the cutter of composite milling processing |
| CN106217083A (en) * | 2016-08-30 | 2016-12-14 | 兴化东华齿轮有限公司 | Sprocket wheel keyway processing Jian Chi center alignment device and alignment method |
| CN106363217A (en) * | 2016-11-29 | 2017-02-01 | 哈尔滨理工大学 | Disc milling cutter adopting flatly staggered teeth and variable cutting width and applied to slotting rough machining of blisk channel |
| CN106891052A (en) * | 2017-04-27 | 2017-06-27 | 沈阳飞机工业（集团）有限公司 | A kind of T-shaped milling cutter of Novel major diameter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814790A (en) * | 2019-11-07 | 2020-02-21 | 西安图唯谷创新科技有限公司 | Device and method for installing and releasing disc-shaped cutter of machine tool spindle |
| CN110814790B (en) * | 2019-11-07 | 2022-08-09 | 湖北诺伯特科技有限公司 | Device and method for installing and releasing disc-shaped cutter of machine tool spindle |
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Application publication date: 20180831 |