CN103111674A - Composite numerical control milling parallel-structure machine tool for blisk machining - Google Patents
Composite numerical control milling parallel-structure machine tool for blisk machining Download PDFInfo
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- CN103111674A CN103111674A CN2013100423730A CN201310042373A CN103111674A CN 103111674 A CN103111674 A CN 103111674A CN 2013100423730 A CN2013100423730 A CN 2013100423730A CN 201310042373 A CN201310042373 A CN 201310042373A CN 103111674 A CN103111674 A CN 103111674A
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Abstract
The invention discloses a composite numerical control milling parallel-structure machine tool for blisk machining, which solves the technical problem of low efficiency in the blisk machining by using the existing universal five-axis machine tools. In the technical scheme, a disc milling device (2) is added on the basis of a plunge milling and side milling device (15). Because of the high integration of disc milling, plunge milling and side milling process, the disc milling machining is used for large margin cutting and slotting machining; the plunge milling is used for slot expanding machining and curve forming; the side milling is used for semifinishing and edge removing and back gouging. An efficient and strong composite numerical control milling machine tool for blisk machining is formed by a large torque, high rigidity disc/plunge milling bi-energy cutter head structure, and the rough machining and semifinishing of the blisk can be finished by clamping and locating once.
Description
Technical field
The present invention relates to a kind of blisk numerical control milling machine tool, particularly relate to the combined numerically controlled milling parallel organization of a kind of blisk lathe.
Background technology
Blisk is the core component of high thrust-weight ratio, high-performance enginer, is also that the field Grand Equipments such as Aero-Space, national defence, the energy, power are realized loss of weight, synergy and improved the vital part of performance.Compare with wheel hub assembling structure with traditional blades, blisk saves tenon, tongue-and-groove and corresponding connector, alleviated weight, improved thrust-weight ratio, working life and the security reliability of engine are got a promotion, but due to its complex structure, passage is narrow, opening character is poor etc., makes its manufacturing technology belong to an international difficult problem.Therefore, realize that blisk is efficient, high-quality, low-cost digital control processing be the core key technology that promotes national Grand Equipments manufacture level, improves the aero-engine service behaviour.
Domestic generally adopting aspect blisk processing and general five coordinate machines of dependence on import are inserted and milled processing, the high efficiency, low cost that is difficult to satisfy the blisk part is made requirement.Especially in its roughing stage, the tool specification that process is used is many and tool wear is serious, causes that the process-cycle is long, efficient is low, and cost is high.Newly grind blisk processing technology and equipment technology abroad China is carried out tight blockade on new techniques.A large amount of domestic blisk processing experiences show: existing blisk roughing equipment become in the batch production of blisk through engineering approaches with technology realize efficiently, the bottleneck problem of low cost fabrication.Data shows, the manufacturing of certain novel aero-engine one-level fan blisk, fluting roughing material removal amount accounts for 90%, uses high accuracy and the expensive general five-axis machining center of import, even adopt advanced slotting miller technology, fluting roughing still needs approximately 40～50 day time.Working (machining) efficiency is extremely low, is difficult to adapt to the mass production demand of domestic air mail engine, seriously restricts China's a new generation's aero engine technology progress and autonomous innovation, the sustainable development of restriction China's Aviation Industry great-leap-forward development and national economy.Therefore, carry out the research of the combined numerically controlled Milling Process technique of blisk effective powerful and equipment technology, to realizing the processing of blisk high efficiency, low cost, satisfy mass production, very urgent and needs.
Summary of the invention
In order to overcome the existing general five inefficient deficiencies of coordinate machine processing blisk, the invention provides the combined numerically controlled milling parallel organization of a kind of blisk lathe.This lathe mills dish, insert and to mill with side milling technique height integratedly, and dish mills the excision that processing is used for large surplus, fluting processing; Insert and mill for expanding groove processing, curve generating; Side milling is used for semifinishing, except the rib back chipping.Its high pulling torque, high rigid disk/insert and mill the double power head structure can form blisk effective powerful compound numerical control milling machine, realize the clamped one time location can completing roughing and the semifinishing of blisk.
The technical solution adopted for the present invention to solve the technical problems is: the combined numerically controlled milling parallel organization of a kind of blisk lathe, comprise fixture 5, rotary table 6, front lathe bed 7, square workbench 10, rear lathe bed 12, insert and mill side milling device 15 and column 21, be characterized in also comprising dish milling apparatus 2.Front lathe bed 7 and rear lathe bed 12 are connected and form the lathe of T-shaped structure.Y-axis servomotor and ball guide screw nat 23 and Y-axis machine ram 13 use screw fastenings are on rear lathe bed 12, and Y-axis machine tool guideway 14 directly is stuck on Y-axis machine ram 13, and column 21 is connected by screw and Y-axis machine tool guideway 14.Z2 axle servomotor and ball guide screw nat 22 and Z2 axle machine ram 24 use screw fastenings are on the right side of column 21, Z2 axle machine tool guideway 25 directly is stuck on Z2 axle machine ram 24, dish mills crossbeam 1 and is connected by screw and Z2 axle machine tool guideway 25, and combines with Z2 axle machine ram 24 and column 21 by Z2 axle servomotor and ball guide screw nat 22.Dish milling apparatus 2 is arranged on by screw and gripper shoe the front end that dish mills crossbeam 1, and dish milling cutter 3 is connected by keyway and cutter spindle, and cutter spindle is contained on dish milling apparatus 2, and dish milling cutter 3 forms a whole with dish milling apparatus 2.X-axis servomotor and ball guide screw nat 11 and X-axis machine ram 8 by screw fastening on front lathe bed 7, X-axis machine tool guideway 9 directly is stuck on X-axis machine ram 8, square workbench 10 use screws are arranged on X-axis machine tool guideway 9, rotary table 6 use screws are arranged on square workbench 10, fixture 5 is arranged on rotary table 6, and blisk 4 clampings are on fixture 5.Z1 axle servomotor and ball guide screw nat 20 and Z1 axle machine ram 18 use screws are arranged on column 21 left sides, Z1 axle machine tool guideway 19 directly is stuck in Z1 axle machine ram 18, insert and to mill crossbeam 17 use screws and Z1 axle machine tool guideway 19 is connected, and combine by Z1 axle servomotor and ball guide screw nat 20 and Z1 axle machine ram 18 and column 21.The slotting side milling device 15 that mills is arranged on the slotting front end that mills crossbeam 17 by screw and gripper shoe, and electric main shaft 16 is arranged on to insert by back shaft and screw and mills on side milling device 15.
Also comprise control system, described control system binary channels sevenfive axis.Control simultaneously the processing that X-axis, Y-axis, Z2 axle, B axle and C axle realization dish mill; Control simultaneously X-axis, Y-axis, Z1 axle, A axle and C axle, the rotation that adds main shaft SP realize to insert mill, the processing of side milling.
Described X-axis, Y-axis, Z1 axle and Z2 axle adopt grating scale to consist of Full Closed-loop Position and detect.
Described A axle, C axle adopt photoelectric encoder to consist of the closed-loop angle and detect, and adopt hydraulic locking, realize the clamping after positioned at arbitrary angles.
Described B axle adopts mouse tooth disk engagement positioning and locking, relies on the encoder on servomotor to realize that the semiclosed loop angle detects.
Described SP electricity main shaft contains built-in encoder, carries out closed-loop speed feedback by encoder.
The anglec of rotation of described A axle is-15 °～105 °.
The anglec of rotation of described B axle is-90 °～90 °.
The anglec of rotation of described C axle is 0 °～360 °.
The invention has the beneficial effects as follows: because this lathe mills dish, insert and to mill with side milling technique height integratedly, dish mills the excision that processing is used for large surplus, fluting processing; Insert and mill for expanding groove processing, curve generating; Side milling is used for semifinishing, except the rib back chipping.Its high pulling torque, high rigid disk/insert and mill the double power head structure have formed blisk effective powerful compound numerical control milling machine, realize the clamped one time location can completing roughing and the semifinishing of blisk.
Below in conjunction with drawings and Examples, the present invention is elaborated.
Description of drawings
Fig. 1 is the combined numerically controlled milling parallel organization of blisk of the present invention lathe schematic diagram.
Fig. 2 is the combined numerically controlled milling parallel organization of blisk of the present invention lathe side schematic view.
Fig. 3 is the combined numerically controlled milling parallel organization of blisk of the present invention machine tool control system block diagram.
In figure, the 1-dish mills crossbeam; 2-coils milling apparatus; 3-coils milling cutter; The 4-blisk; The 5-fixture; The 6-rotary table; Lathe bed before 7-; 8-X axial plane bed ram; 9-X axle machine tool guideway; The square workbench of 10-; 11-X axle servomotor and ball guide screw nat; Lathe bed after 12-; 13-Y axle machine ram; 14-Y axle machine tool guideway; 15-inserts and mills the side milling device; 16-electricity main shaft; 17-inserts and mills crossbeam; 18-Z1 axle machine ram; 19-Z1 axle machine tool guideway; 20-Z1 axle servomotor and ball guide screw nat; The 21-column; 22-Z2 axle servomotor and ball guide screw nat; 23-Y axle servomotor and ball guide screw nat; 24-Z2 axle machine ram; 25-Z2 axle machine tool guideway.
The specific embodiment
Following examples are with reference to Fig. 1～3.
The combined numerically controlled milling parallel organization of blisk of the present invention lathe comprises dish milling apparatus 2, inserts and mill side milling device 15, fixture 5, rotary table 6, square workbench 10, front lathe bed 7, rear lathe bed 12 and column 21.
The present invention adopts the 840D digital control system, the binary channels sevenfive axis.Control simultaneously the processing that X-axis, Y-axis, Z2 axle, B axle and C axle realization dish mill; Control simultaneously X-axis, Y-axis, Z1 axle, A axle and C axle, the rotation that adds main shaft SP realize to insert mill, the processing of side milling.X-axis, Y-axis, Z1 axle and Z2 axle adopt grating scale to consist of Full Closed-loop Position and detect; A axle, C axle adopt photoelectric encoder to consist of the closed-loop angle and detect, and adopt hydraulic locking, can realize the clamping after positioned at arbitrary angles; The B axle adopts mouse tooth disk engagement positioning and locking, relies on the encoder on servomotor to realize that the semiclosed loop angle detects; The anglec of rotation of A axle is-15 °～105 °, and the anglec of rotation of B axle is-90 °～90 °, and the anglec of rotation of C axle is 0 °～360 °.SP electricity main shaft built-in encoder carries out closed-loop speed feedback.
add man-hour, with blisk 4 clampings on rotary table 6, manipulation blisk 4 moves axially to dish along X-axis machine tool guideway 9X and mills machining area, dish milling apparatus 2 moves up and down correct position along the Z2 axle, and then mill crossbeam 1 front end face with respect to dish rotate to certain angle under the drive of servomotor, then locking, dish milling cutter 3 rotates under the drive of motor, carry out blisk 4 dishes and mill the rough machined excision of passage, after the roughing surplus excision of a passage is completed, under the C axle drives, rotary table 6 drives blisk 4 and rotates to specified angle, carry out the roughing excision of next passage, till the excision that so is circulated to last passage is completed.Then handle blisk 4 and move to slotting side milling device 15 machining areas that mill along X-axis machine tool guideway 9, insert and to mill side milling device 15 and move up and down correct position along the Z1 axle, electricity main shaft 16 swings to specified angle, hydraulic locking, feed, that carries out the blisk passage slottingly mills semifinishing, after first passage slotting milled and machines, withdrawing, under the C axle drove, blisk 4 rotated a certain angle under the drive of rotary table 6, feed, that carries out second passage slottingly mills processing, and so circulation is milled completion of processing until last passage is inserted.Control the slotting side milling device 15 that mills according to numerical control program at last and carry out little surplus feeding side milling processing, mill step as inserting, electric main shaft 16 is swung to certain angle carry out hydraulic locking, feed, carry out the side milling processing of first passage of blisk, then withdrawing, blisk 4 rotates to an angle under the drive of rotary table 6, feed is carried out the side milling processing of second passage, and so forth, until last passageway machining complete till, last withdrawing takes off blisk 4, completes roughing and the semifinishing of blisk.
The present invention mills dish, insert and to mill with side milling technique height integratedly, and dish mills the excision that processing is used for large surplus, fluting processing; Insert and mill for expanding groove processing, curve generating; Side milling is used for semifinishing, except the rib back chipping.The high pulling torque of independent research, high rigid disk/insert and mill the double power head structure form blisk effective powerful compound numerical control milling machine, have realized the clamped one time location can completing thick, the semifinishing of blisk.
The Specifeca tion speeification of lathe is:
Completing the converted products scope is
500～1000mm
Lathe MTBF:1500 hour;
Lathe TK:15000 hour.
Milling spindle maximum speed 〉=8000r/min, moment of torsion 〉=900Nm;
Dish mills maximum speed: 250r/min, moment of torsion 〉=19000Nm;
Rapid traverse speed (X/Y/Y '/Z axis) 〉=20m/min;
Bed dimension 〉=Φ 800mm, load-bearing 〉=1500kg;
Control the number of axle: 7, service aisle: 2, number of motion axes: 5.
The main travel parameters of lathe: X-axis stroke 〉=3000mm, Y-axis stroke 〉=1200mm, Z1 axle stroke 〉=1200mm, Z2 axle stroke 〉=1400mm, A axle stroke :-15 °～105 °, B axle stroke :-90 °～90 °, C axle stroke: 0 °～360 °.
Machine tool accuracy detects: X/Y/Y '/Z: ± 0.02/1000mm, A/B/C: ± 8 〞; Repetitive positioning accuracy: X/Y/Y '/Z:0.016/1000mm, A/B/C:7 〞.
Claims (9)
1. the combined numerically controlled milling parallel organization of blisk lathe, comprise fixture (5), rotary table (6), front lathe bed (7), square workbench (10), rear lathe bed (12), insert and mill side milling device (15) and column (21), characterized by further comprising dish milling apparatus (2); Front lathe bed (7) and rear lathe bed (12) are connected and form the lathe of T-shaped structure; Y-axis servomotor and ball guide screw nat (23) and Y-axis machine ram (13) use screw fastening on rear lathe bed (12), Y-axis machine tool guideway (14) directly is stuck on Y-axis machine ram (13), and column (21) is connected by screw and Y-axis machine tool guideway (14); Z2 axle servomotor and ball guide screw nat (22) and Z2 axle machine ram (24) use screw fastening on the right side of column (21), Z2 axle machine tool guideway (25) directly is stuck on Z2 axle machine ram (24), dish mills crossbeam (1) and is connected by screw and Z2 axle machine tool guideway (25), and combines with Z2 axle machine ram (24) and column (21) by Z2 axle servomotor and ball guide screw nat (22); Dish milling apparatus (2) is arranged on dish by screw and gripper shoe and mills the front end of crossbeam (1), and dish milling cutter (3) is connected by keyway and cutter spindle, and cutter spindle is contained on dish milling apparatus (2), and dish milling cutter (3) forms a whole with dish milling apparatus (2); X-axis servomotor and ball guide screw nat (11) and X-axis machine ram (8) by screw fastening on front lathe bed (7), X-axis machine tool guideway (9) directly is stuck on X-axis machine ram (8), square workbench (10) is arranged on X-axis machine tool guideway (9) with screw, rotary table (6) is arranged on square workbench (10) with screw, fixture (5) is arranged on rotary table (6), and blisk (4) clamping is on fixture (5); Z1 axle servomotor and ball guide screw nat (20) and Z1 axle machine ram (18) are arranged on the left of column (21) with screw, Z1 axle machine tool guideway (19) directly is stuck in Z1 axle machine ram (18), insert and to mill crossbeam (17) and be connected with screw and Z1 axle machine tool guideway (19), and combine by Z1 axle servomotor and ball guide screw nat (20) and Z1 axle machine ram (18) and column (21); The slotting side milling device (15) that mills is arranged on the slotting front end of crossbeam (17) that mills by screw and gripper shoe, and electric main shaft (16) is arranged on to insert by back shaft and screw and mills on side milling device (15).
2. the combined numerically controlled milling parallel organization of blisk according to claim 1 lathe, is characterized in that: also comprise control system, described control system binary channels sevenfive axis; Control simultaneously the processing that X-axis, Y-axis, Z2 axle, B axle and C axle realization dish mill; Control simultaneously X-axis, Y-axis, Z1 axle, A axle and C axle, the rotation that adds main shaft SP realize to insert mill, the processing of side milling.
3. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe, is characterized in that: described X-axis, Y-axis, Z1 axle and the detection of Z2 axle employing grating scale formation Full Closed-loop Position.
4. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe is characterized in that: described A axle, C axle adopt photoelectric encoder to consist of the closed-loop angle and detect, and adopt hydraulic locking, realize the clamping after positioned at arbitrary angles.
5. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe is characterized in that: described B axle adopts mouse tooth disk engagement positioning and locking, relies on the encoder on servomotor to realize that the semiclosed loop angle detects.
6. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe is characterized in that: described SP electricity main shaft contains built-in encoder, carries out closed-loop speed feedback by encoder.
7. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe, it is characterized in that: the anglec of rotation of described A axle is-15 °～105 °.
8. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe, it is characterized in that: the anglec of rotation of described B axle is-90 °～90 °.
9. the combined numerically controlled milling parallel organization of blisk according to claim 2 lathe, it is characterized in that: the anglec of rotation of described C axle is 0 °～360 °.
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| CN104690347A (en) * | 2013-12-04 | 2015-06-10 | 宁安市粮油淀粉机械制造有限公司 | Numerical control milling machine for processing of rotor of rasping machine |
| CN104785832A (en) * | 2015-04-29 | 2015-07-22 | 北京恒信凯博科技有限公司 | Cutting device and cutting method for fan blades of fan |
| CN105081436A (en) * | 2015-08-20 | 2015-11-25 | 天津市华天世纪机械有限公司 | Milling head box with single main shaft and double milling heads |
| CN105458372A (en) * | 2015-12-29 | 2016-04-06 | 北京理工大学 | Side milling error compensation device based on non-extended straight-line surface and cutter spacing planning method of side milling error compensation device |
| CN106078121A (en) * | 2016-06-30 | 2016-11-09 | 东莞市粤伯斯电子科技有限公司 | A kind of X-type swirl vane processing technique |
| CN107999840A (en) * | 2017-11-03 | 2018-05-08 | 江苏大学 | A kind of weighting automatically grinding device based on screw propeller vertical static balancing instrument |
| CN108380989A (en) * | 2018-03-28 | 2018-08-10 | 北京汉飞航空科技有限公司 | A kind of processing method and equipment of aero-engine blisk |
| CN108746789A (en) * | 2018-06-14 | 2018-11-06 | 西北工业大学 | Blisk disk milling fluting processing method |
| CN108788258A (en) * | 2018-06-14 | 2018-11-13 | 西北工业大学 | The double pillar construction lathes of the combined numerically controlled milling of blisk |
| CN108817488A (en) * | 2018-06-14 | 2018-11-16 | 西北工业大学 | The double column lathe accuracy calibrating methods of the combined numerically controlled milling of integral blade disk |
| CN109663960A (en) * | 2019-02-19 | 2019-04-23 | 济南天辰铝机股份有限公司 | A kind of face miller and its processing method |
| CN110542717A (en) * | 2018-05-29 | 2019-12-06 | 中国航发商用航空发动机有限责任公司 | Blisk nondestructive testing device and method based on processing machine tool |
| CN110744087A (en) * | 2019-11-06 | 2020-02-04 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
| CN112404530A (en) * | 2020-12-09 | 2021-02-26 | 菲斯达精密工业部件（苏州）有限公司 | Horizontal milling machine tool |
| CN114619331A (en) * | 2022-05-12 | 2022-06-14 | 海尼肯智能技术成都有限公司 | Dead pixel staggered layer polishing equipment for composite material blade |
| CN115178780A (en) * | 2022-09-08 | 2022-10-14 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
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Cited By (22)
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| CN104690347A (en) * | 2013-12-04 | 2015-06-10 | 宁安市粮油淀粉机械制造有限公司 | Numerical control milling machine for processing of rotor of rasping machine |
| CN104785832A (en) * | 2015-04-29 | 2015-07-22 | 北京恒信凯博科技有限公司 | Cutting device and cutting method for fan blades of fan |
| CN105081436A (en) * | 2015-08-20 | 2015-11-25 | 天津市华天世纪机械有限公司 | Milling head box with single main shaft and double milling heads |
| CN105458372A (en) * | 2015-12-29 | 2016-04-06 | 北京理工大学 | Side milling error compensation device based on non-extended straight-line surface and cutter spacing planning method of side milling error compensation device |
| CN105458372B (en) * | 2015-12-29 | 2018-03-09 | 北京理工大学 | A kind of side milling error tool path scheduling method based on non-extended straight-line surface |
| CN106078121A (en) * | 2016-06-30 | 2016-11-09 | 东莞市粤伯斯电子科技有限公司 | A kind of X-type swirl vane processing technique |
| CN107999840B (en) * | 2017-11-03 | 2020-02-21 | 江苏大学 | Automatic partial weight grinding device based on vertical static balancing instrument of screw |
| CN107999840A (en) * | 2017-11-03 | 2018-05-08 | 江苏大学 | A kind of weighting automatically grinding device based on screw propeller vertical static balancing instrument |
| CN108380989A (en) * | 2018-03-28 | 2018-08-10 | 北京汉飞航空科技有限公司 | A kind of processing method and equipment of aero-engine blisk |
| CN110542717A (en) * | 2018-05-29 | 2019-12-06 | 中国航发商用航空发动机有限责任公司 | Blisk nondestructive testing device and method based on processing machine tool |
| CN108817488A (en) * | 2018-06-14 | 2018-11-16 | 西北工业大学 | The double column lathe accuracy calibrating methods of the combined numerically controlled milling of integral blade disk |
| CN108746789B (en) * | 2018-06-14 | 2019-09-24 | 西北工业大学 | Integral blade disk disk milling fluting processing method |
| CN108788258A (en) * | 2018-06-14 | 2018-11-13 | 西北工业大学 | The double pillar construction lathes of the combined numerically controlled milling of blisk |
| CN108746789A (en) * | 2018-06-14 | 2018-11-06 | 西北工业大学 | Blisk disk milling fluting processing method |
| CN108817488B (en) * | 2018-06-14 | 2020-04-03 | 西北工业大学 | Precision calibration method for blisk composite numerical control milling double-column machine tool |
| CN109663960A (en) * | 2019-02-19 | 2019-04-23 | 济南天辰铝机股份有限公司 | A kind of face miller and its processing method |
| CN110744087A (en) * | 2019-11-06 | 2020-02-04 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
| CN110744087B (en) * | 2019-11-06 | 2020-11-13 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
| CN112404530A (en) * | 2020-12-09 | 2021-02-26 | 菲斯达精密工业部件（苏州）有限公司 | Horizontal milling machine tool |
| CN114619331A (en) * | 2022-05-12 | 2022-06-14 | 海尼肯智能技术成都有限公司 | Dead pixel staggered layer polishing equipment for composite material blade |
| CN115178780A (en) * | 2022-09-08 | 2022-10-14 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
| CN115178780B (en) * | 2022-09-08 | 2022-12-09 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
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Application publication date: 20130522 |