CN102785086A - Locking oscillating head for five-coordinate machine tool - Google Patents
Locking oscillating head for five-coordinate machine tool Download PDFInfo
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- CN102785086A CN102785086A CN2012103028940A CN201210302894A CN102785086A CN 102785086 A CN102785086 A CN 102785086A CN 2012103028940 A CN2012103028940 A CN 2012103028940A CN 201210302894 A CN201210302894 A CN 201210302894A CN 102785086 A CN102785086 A CN 102785086A
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- main shaft
- yaw
- oscillating head
- helical pitch
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Abstract
The invention discloses a locking oscillating head for a five-coordinate machine tool. A box body is an integral structure; an electric main shaft is arranged in a main shaft box; a servo motor is located at the back of the upper end on the right side of the oscillating head; seal covers are located on the left and right sides of the oscillating head so that inner parts of the oscillating head cannot be influenced by environments such as external greasy dirt and dust; a rotation encoder is arranged in the oscillating head to perform closed-loop control so as to achieve high oscillation accuracy of the oscillating head; a rotating shaft is locked tightly after the oscillating head oscillates to any angle by a hydraulic locking mechanism, so as to achieve dead axle machining function required by a plunge milling process; with the adoption of a sensor and a limit switch, the limit of the oscillation angle of the oscillating head can be achieved; all pipelines are connected outwards from the rear of the oscillating head by wiring holes of an oscillating angle cutter head box body and the main shaft box, and then enter ta machine tool wiring system and an electric cabinet outside the oscillating head. The locking oscillating head is suitable for processing difficultly-processing materials of high-precision parts with complex profile such as titanium alloy and high-temperature alloy.
Description
Technical field
The present invention relates to a kind of locking yaw that is used for five coordinate lathes, belong to technological equipment structural design and manufacturing technology field.
Background technology
In recent years, five coordinate lathes can be realized the characteristics of complex-curved processing and forming with it, used more and more widely in higher-end businesses fields such as Aeronautics and Astronautics, navigations; Be mainly used in processing and have complex-curved high-precision part, like the blade in the aircraft industry, leaf dish, impeller class part.Five coordinate machining tools are on standard three-dimensional (rectilinear coordinates) lathe, on main shaft or workbench, increase the revolution reference axis of two interlocks, realize the five-axle linkage function.And being three-dimensional lathe or 4-coordinate lathe, the yaw with spindle swing function upgrades to one of key feature of five coordinate lathes.Because five coordinate lathes are used for difficult-to-machine material complex profile parts such as machining titanium alloy, high temperature alloy at present more; So require yaw should have high accuracy, high pulling torque, high rigidity, the characteristics of pivot angle on a large scale; Some processing technology is locked after also requiring yaw can swing to certain angle as inserting to mill, and realizes dead axle processing.
Disclose high rigidity yaw among the patent 201010610971.X, servomotor has been fixed in the left box body inner chamber through band muscle floor motor cabinet with the angular region put on; Electricity main shaft pipeline is picked out by the rear end, picks out after by yaw from the cable hole of right case through rotary main shaft case, encoder installation shaft centre bore, annular drag chain carriage center hole, RBR drag chain; Ring distributor inside is provided with the multichannel oil-gas hole, and inlet links to each other with the oil outer source of the gas through each input extension tube attached respectively, and rotary main shaft case inside also has the DLT oil-gas hole, and corresponding with the oil-gas hole of ring distributor inside.The yaw of this invention be owing to can dismantle on one side, thus integral rigidity a little less than; In addition, the locking of not mentioned yaw in this patent of invention relies on the reverse self-locking of turbine and worm will reduce structure service life if place an order in high pulling torque dead axle condition of work.
Summary of the invention
Be the deficiency of avoiding prior art to exist, the present invention proposes a kind of locking yaw that is used for five coordinate lathes.Yaw has precision height, high pulling torque, high rigidity, the characteristics that hunting range is big, and can yaw swing to arbitrarily angled after with rotating shaft locking, realize inserting the required dead axle machining functions of type of milling technology.
The technical solution adopted for the present invention to solve the technical problems is: comprise pivot angle milling head casing, main spindle box, electric main shaft, left main shaft, right main shaft, servomotor, electrical machine belt pulley, two helical pitch worm screw, synchronous pulley, stepped tooth be with synchronously, stop tight seat, the tight sheet of stopping, brake tight ring, gland, the second turntable bearing, the first turntable bearing, worm couple, the first swelling cover, encoder; The electricity main shaft is installed in main spindle box inside; Left side main shaft, right main shaft are positioned at the main spindle box both sides, and left main shaft, right main shaft are connected in the both sides of pivot angle milling head casing respectively through the second turntable bearing, the first turntable bearing; Servomotor is positioned at pivot angle milling head casing right side, and servomotor output axle head is installed electrical machine belt pulley, and synchronous pulley is installed in the upper end of two helical pitch worm screws, and the synchronous band of stepped tooth is connected with electrical machine belt pulley, synchronous pulley; The tight seat of stopping is positioned at pivot angle milling head casing left side, and stop tight sheet and left main shaft are through being threaded, and brake tight ring forms hydraulic fluid chamber through being threadedly connected to gland between brake tight ring and the gland; Worm couple is connected through screw with right main shaft, and worm gear set is outside at right main shaft.
Said pair of helical pitch worm screw is fixedly mounted on box house, and two helical pitch worm screws upper end is connected through the first swelling cover and synchronous pulley; First thrust ball bearing, cover, the two helical pitch worm screws of worm screw end cap restriction move downward along axis, and pad, second thrust ball bearing, first nut, the two helical pitch worm screws of second nut restriction move upward along axis; The radial motion of worm set, first needle bearing, the two helical pitch worm screws of second needle bearing restriction.
Said encoder is connected with pivot angle milling head casing through the right side end cap, and connecting axle rotates with the swing of yaw, and encoder detects the angle that connecting axle turns over, and detects the main shaft swash angle position in real time, carries out closed-loop control.
The electricity main shaft is swung with main spindle box, and yaw is swung for upwards swinging 30 °, to 120 ° of lower swings; Sensor is connected with gland through support, and limit switch is connected with left main shaft, and yaw is upwards swung 30 ° or when 120 ° of lower swings; Sensor aligns with limit switch; Sensor transmits signals to digital control system, and digital control system is sent signal, and yaw stops swinging rotating shaft is locked.
Beneficial effect
The present invention is used for the locking yaw of five coordinate lathes; Casing is an overall structure, and electric main shaft is installed in the main spindle box, and servomotor is positioned at yaw right side upper rear; Seal closure is installed in the yaw left and right sides, makes the yaw inner components not receive the influence of environment such as outside greasy dirt, dust; Through carrying out closed-loop control, realize the high accuracy of yaw swing at yaw set inside rotary encoder; Through appropriate design basic components, support component, drive disk assembly, realize the high rigidity of yaw; Through hydraulic locking mechanism, yaw swing to arbitrarily angled after with rotating shaft locking, realize inserting the required dead axle machining functions of miller skill; Through the use of sensor and limit switch, realize the restriction of the pendulum angle of yaw; All pipelines pick out from the yaw rear through the cable hole of pivot angle milling head casing and main shaft casing, get into the outside lathe of yaw and walk wire system and regulator cubicle.
The present invention is specially adapted to the demand of difficult-to-machine material complex profile high-precision parts such as machining titanium alloy, high temperature alloy.
Description of drawings
Below in conjunction with accompanying drawing and embodiment a kind of locking yaw that is used for five coordinate lathes of the present invention is done further explain.
Fig. 1 locks the stereogram of yaw for the present invention.
Fig. 2 locks the front view of yaw for the present invention.
Fig. 3 locks the B-B cutaway view of yaw for the present invention.
Fig. 4 locks the A-A cutaway view of yaw for the present invention.
Fig. 5 is a limit sensors H-H cutaway view.
Fig. 6 is a main spindle box stereogram of the present invention.
Among the figure:
1 swivel milling head case 2 spindle cover 3 right enclosure 4 right cover 5 first rotary ring 6. Lid 7. Connecting shaft? ? 8 encoder 9. Right spindle 10 worm gear 11 first turntable bearing 12 second rotary seals 13 first inner cap 14. headstock 15 Left spindle 16 second turntable bearing 17. slewing ring 18. brake tight piece 19 left sealed cover 20. bracket 21. sensors 22. limit switch 23 The damper 24. brake tight ring 25. Gland 26. brake tight seat 27 set screws 28. gap adjustment block 29. motor base 30. Pulley 31 The first expansion sleeve 32. trapezoidal tooth timing belt 33. motor pulley 34 second expansion sleeve 35. Duplex Worm 36 first thrust ball bearings 37. sets 38. adjustment pad 39. worm cover 40. first nut 41 second nut 42 second thrust ball bearings 43. pad 44. servo motor 45. spindle 46 second inner cap 47. worm sets 48. the first needle bearing 49 second needle roller bearings
The specific embodiment
Present embodiment is a kind of locking yaw that is used for five coordinate lathes, is the Core Feature parts of five coordinate lathes; Have the advantages that high accuracy, high pulling torque, high rigidity can be locked.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 6; The electric main shaft 45 of the locking yaw of five coordinate lathes is installed in main spindle box 14 inside; Electricity main shaft 45 end face flanges are connected through screw with the end face of main spindle box 14, and the radial end face of electric main shaft 45 cooperates the location with the anchor ring of main spindle box 14 inner rear ends; Need earlier second internal end cover 46, first internal end cover 13 are installed in respectively the left and right sides of pivot angle milling head casing 1 during assembling; Again the right main shaft 9 and the first turntable bearing 11 are linked together; Again right main shaft 9 is packed in the pivot angle milling head casing 1 right side circular hole; Right main shaft 9 is linked together with main spindle box 14, and the first turntable bearing 11 links together with pivot angle milling head casing 1; Left side main shaft 15 is packed in the pivot angle milling head casing 1 left side circular hole, and left main shaft 15 links together with main spindle box 14, and the second turntable bearing 16 is connected with left main shaft 15, pivot angle milling head casing 1 respectively; Other parts of packing into then; At last left seal closure 19, right seal closure 3 are installed in the left and right sides of pivot angle milling head casing 1 respectively.
Referring to Fig. 3, Fig. 4, worm couple 10 is connected with right main shaft 9, and worm gear is enclosed within right main shaft outer end through bolt; Two helical pitch worm screws 35 are installed in pivot angle milling head casing 1 inside, and the upper end of two helical pitch worm screws 35 is connected with synchronous pulley 30 through first swelling cover 31; Motor cabinet 29 is connected with pivot angle milling head casing 1; Servomotor 44 is connected with motor cabinet 29; The axle head of servomotor 44 is connected with electrical machine belt pulley 33 through second swelling cover 34; Stepped tooth be with synchronously 32 with 30 engagements of electrical machine belt pulley 33, synchronous pulley; Gap adjustment piece 28 is connected on the pivot angle milling head casing 1, and holding screw 27 is installed on the gap adjustment piece 28 and its end pushing tow motor cabinet 29; Through adjustment holding screw 27, motor cabinet 29 is moved to Fig. 3 right-of-center in political views's thruster, and then make stepped tooth be with 32 swellings synchronously.When yaw was swung, servomotor 44 was with 32 to drive two helical pitch worm screws 35 rotations through stepped tooth synchronously, and two helical pitch worm screws 35 drive worm gears 10 and rotate, and right main shaft 9 is rotated, and then make the yaw swing.
As shown in Figure 3, lid 6 is connected with the right-hand member of right main shaft 9, connecting axle 7 with cover 6 and be connected, connecting axle 7 rotates along with the swing of yaw; Right side end cap 4 is connected with pivot angle milling head casing 1, and encoder 8 is connected with right side end cap 4.When yaw was swung, encoder 8 detected the angle that connecting axle 7 turns over, and promptly detects the main shaft swash angle position in real time, carries out closed-loop control, thereby improved the positioning accuracy and the repeatable accuracy of yaw.
As shown in Figure 4, the two helical pitch worm screw of first thrust ball bearing 36, cover 37,39 restrictions of worm screw end cap 35 moves downward along axis; The two helical pitch worm screw of pad 43, second thrust ball bearing 42, nut 1, nut 2 41 restrictions 35 moves upward along axis; The radial motion of worm set 47, first needle bearing 48, the two helical pitch worm screws 35 of second needle bearing, 49 restrictions.Behind the yaw long-play; Two helical pitch worm screws 35 can be worn and torn; Thickness through the adjusting pad 38 between adjustment pivot angle milling head casing 1 and the worm screw end cap 39; Change two helical pitch worm screws 35 in the position of axis direction, change two helical pitch worm screws 35 and worm gear 10 position engaged, and then reduce the worm and gear back lash.
As shown in Figure 3, the tight seat 26 stopped is connected with pivot angle milling head casing 1, and the tight sheet 18 of stopping is connected with gland 25 with left main shaft 15, and brake tight ring 24 is connected with gland 25, brake tight ring 24, gland 25 equal transfixions, and the tight sheet 18 of stopping is with left main shaft 15 rotations.After yaw swings to specified angle; To the cavity that brake tight ring 24 and gland 25 form, feed hydraulic oil from the fuel feed hole of gland 25, hydraulic oil makes the thinner wall section of brake tight ring 24 distribute the shape of changing, and pushes the tight sheet 18 of stopping; Produce moment of friction, rely on moment of friction that yaw is locked at fixed angle.
As shown in Figure 2, be zero point with the main shaft level, the yaw hunting range is for upwards swinging 30 °, and to 120 ° of lower swings, electric main shaft is swung with main spindle box.Like Fig. 3, shown in Figure 5, support 20 is connected with gland 25, and sensor 21 is connected with support 20, sensor 21 transfixions; Limit switch 22 is connected with left main shaft 15, with left main shaft 15 rotations.When yaw is upwards swung 30 ° or during to 120 ° of lower swings; Sensor 21 aligns with limit switch 22, and this moment, sensor 21 transmitted signals in the digital control system, and digital control system is sent the signal that stops swinging; Yaw stops swinging, and realizes the restriction of yaw hunting range.
The electric main shaft 45 required external pipelines that yaw is installed comprise that cutter cooling fluid pipeline, motor cooling fluid pipeline, cutter unclamp clamping hydraulic pipeline, electric main shaft sealing air pipe line, electric main shaft power line, electric main shaft holding wire, and all pipelines are installed in electric rear-end of spindle.Like Fig. 3, shown in Figure 6, left main shaft 15 is hollow shafts, and there are two semi-circular hole in main spindle box 14 left sides; Pipeline gets into from the left side of left main shaft, gets into main spindle box 14 through semicircle orifice, enters into the rear end of main spindle box along the incline of main spindle box 14, is connected with the interface of electric main shaft 45.Baffle plate 23 is connected with left main shaft 15, and baffle plate can prevent effectively that pipeline and left main shaft 15 are intertwined when yaw is swung.All pipelines pick out from the yaw rear through the cable hole of pivot angle milling head casing 1, get into the outside lathe of yaw and walk wire system and regulator cubicle.At last left seal closure 19, right seal closure 3 are installed on the pivot angle milling head casing 1.
Claims (4)
1. locking yaw that is used for five coordinate lathes; It is characterized in that: comprise pivot angle milling head casing, main spindle box, electric main shaft, left main shaft, right main shaft, servomotor, electrical machine belt pulley, two helical pitch worm screw, synchronous pulley, stepped tooth be with synchronously, stop tight seat, the tight sheet of stopping, brake tight ring, gland, the second turntable bearing, the first turntable bearing, worm couple, the first swelling cover, encoder; The electricity main shaft is installed in main spindle box inside; Left side main shaft, right main shaft are positioned at the main spindle box both sides, and left main shaft, right main shaft are connected in the both sides of pivot angle milling head casing respectively through the second turntable bearing, the first turntable bearing; Servomotor is positioned at pivot angle milling head casing right side, and servomotor output axle head is installed electrical machine belt pulley, and synchronous pulley is installed in the upper end of two helical pitch worm screws, and the synchronous band of stepped tooth is connected with electrical machine belt pulley, synchronous pulley; The tight seat of stopping is positioned at pivot angle milling head casing left side, and stop tight sheet and left main shaft are through being threaded, and brake tight ring forms hydraulic fluid chamber through being threadedly connected to gland between brake tight ring and the gland; Worm couple is connected through screw with right main shaft, and worm gear set is outside at right main shaft.
2. a kind of locking yaw that is used for five coordinate lathes according to claim 1, it is characterized in that: said pair of helical pitch worm screw is fixedly mounted on box house, and two helical pitch worm screws upper end is connected through the first swelling cover and synchronous pulley; First thrust ball bearing, cover, the two helical pitch worm screws of worm screw end cap restriction move downward along axis, and pad, second thrust ball bearing, first nut, the two helical pitch worm screws of second nut restriction move upward along axis; The radial motion of worm set, first needle bearing, the two helical pitch worm screws of second needle bearing restriction.
3. a kind of locking yaw that is used for five coordinate lathes according to claim 1; It is characterized in that: said encoder is connected with pivot angle milling head casing through the right side end cap; Connecting axle rotates with the swing of yaw; Encoder detects the angle that connecting axle turns over, and detects the main shaft swash angle position in real time, carries out closed-loop control.
4. a kind of locking yaw that is used for five coordinate lathes according to claim 1, it is characterized in that: said electric main shaft is swung with main spindle box, and yaw is swung for upwards swinging 30 °, to 120 ° of lower swings; Sensor is connected with gland through support, and limit switch is connected with left main shaft, and yaw is upwards swung 30 ° or when 120 ° of lower swings; Sensor aligns with limit switch; Sensor transmits signals to digital control system, and digital control system is sent signal, and yaw stops swinging rotating shaft is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103028940A CN102785086A (en) | 2012-08-23 | 2012-08-23 | Locking oscillating head for five-coordinate machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103028940A CN102785086A (en) | 2012-08-23 | 2012-08-23 | Locking oscillating head for five-coordinate machine tool |
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| CN102785086A true CN102785086A (en) | 2012-11-21 |
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| CN2012103028940A Pending CN102785086A (en) | 2012-08-23 | 2012-08-23 | Locking oscillating head for five-coordinate machine tool |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002432A (en) * | 2016-07-18 | 2016-10-12 | 沈机集团昆明机床股份有限公司 | Locking device used for machine tool rotating shaft |
| CN106862945A (en) * | 2017-04-18 | 2017-06-20 | 王心成 | A kind of cradle-type double back revolving worktable |
| CN107363605A (en) * | 2017-07-28 | 2017-11-21 | 上海诺倬力机电科技有限公司 | Main shaft Z-direction adjusting part |
| CN108356579A (en) * | 2018-05-21 | 2018-08-03 | 科德数控股份有限公司 | The vertical sleeping conversion imaginary axis pivot angle milling head of one kind |
| CN108430695A (en) * | 2015-11-05 | 2018-08-21 | 德马吉森精机有限公司 | Lathe |
| CN108500358A (en) * | 2018-05-21 | 2018-09-07 | 科德数控股份有限公司 | A kind of imaginary axis pivot angle milling head |
| CN110153468A (en) * | 2018-03-01 | 2019-08-23 | 台州锐祥机械设备有限公司 | Ceiling joist rolling for building pushes away drilling equipment |
| CN111014746A (en) * | 2019-12-25 | 2020-04-17 | 保定向阳航空精密机械有限公司 | Internal hydraulic floating expansion sleeve |
| CN111590091A (en) * | 2020-05-19 | 2020-08-28 | 科德数控股份有限公司 | Double-swing-angle spindle head |
| CN113843461A (en) * | 2021-10-15 | 2021-12-28 | 南京航空航天大学 | Five-axis head of electrolytic milling and grinding machine tool |
| CN114536094A (en) * | 2022-01-26 | 2022-05-27 | 中国航空制造技术研究院 | Built-in cooling system |
| CN115255971A (en) * | 2022-06-30 | 2022-11-01 | 上海拓璞数控科技股份有限公司 | Machining center head swinging device suitable for difficult-to-machine materials |
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| CN202846170U (en) * | 2012-08-23 | 2013-04-03 | 西北工业大学 | Locking swing head used for five-axis machine tool |
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| US5584621A (en) * | 1995-06-13 | 1996-12-17 | Bertsche Engineering Corp. | Direct drive multiple axes rotary spindle head for milling machine |
| US6554551B1 (en) * | 1999-10-14 | 2003-04-29 | F.M. Elettromeccanica S.R.L. | Head for machine tool |
| CN1265953A (en) * | 2000-03-31 | 2000-09-13 | 清华大学 | Spindle swing mechanism for multi-coordinate numerically-controlled machine tool |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10975914B2 (en) | 2015-11-05 | 2021-04-13 | Dmg Mori Co., Ltd. | Machine tool |
| CN108430695A (en) * | 2015-11-05 | 2018-08-21 | 德马吉森精机有限公司 | Lathe |
| CN108430695B (en) * | 2015-11-05 | 2020-12-22 | 德马吉森精机有限公司 | Machine tool |
| CN106002432B (en) * | 2016-07-18 | 2018-03-30 | 沈机集团昆明机床股份有限公司 | Locking device for lathe rotating shaft |
| CN106002432A (en) * | 2016-07-18 | 2016-10-12 | 沈机集团昆明机床股份有限公司 | Locking device used for machine tool rotating shaft |
| CN106862945A (en) * | 2017-04-18 | 2017-06-20 | 王心成 | A kind of cradle-type double back revolving worktable |
| CN106862945B (en) * | 2017-04-18 | 2023-04-14 | 王心成 | Cradle type double-rotating workbench |
| CN107363605A (en) * | 2017-07-28 | 2017-11-21 | 上海诺倬力机电科技有限公司 | Main shaft Z-direction adjusting part |
| CN110153468A (en) * | 2018-03-01 | 2019-08-23 | 台州锐祥机械设备有限公司 | Ceiling joist rolling for building pushes away drilling equipment |
| CN108356579A (en) * | 2018-05-21 | 2018-08-03 | 科德数控股份有限公司 | The vertical sleeping conversion imaginary axis pivot angle milling head of one kind |
| CN108500358A (en) * | 2018-05-21 | 2018-09-07 | 科德数控股份有限公司 | A kind of imaginary axis pivot angle milling head |
| CN111014746A (en) * | 2019-12-25 | 2020-04-17 | 保定向阳航空精密机械有限公司 | Internal hydraulic floating expansion sleeve |
| CN111014746B (en) * | 2019-12-25 | 2021-08-10 | 保定向阳航空精密机械有限公司 | Internal hydraulic floating expansion sleeve |
| CN111590091A (en) * | 2020-05-19 | 2020-08-28 | 科德数控股份有限公司 | Double-swing-angle spindle head |
| CN113843461A (en) * | 2021-10-15 | 2021-12-28 | 南京航空航天大学 | Five-axis head of electrolytic milling and grinding machine tool |
| CN114536094A (en) * | 2022-01-26 | 2022-05-27 | 中国航空制造技术研究院 | Built-in cooling system |
| CN114536094B (en) * | 2022-01-26 | 2023-03-14 | 中国航空制造技术研究院 | Built-in cooling system |
| CN115255971A (en) * | 2022-06-30 | 2022-11-01 | 上海拓璞数控科技股份有限公司 | Machining center head swinging device suitable for difficult-to-machine materials |
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Application publication date: 20121121 |