CN100421874C - Vertical and horizontal dual-purpose single axle table of AC permanent magnetic synchronization external-rotor-type force moment motor drive - Google Patents

Vertical and horizontal dual-purpose single axle table of AC permanent magnetic synchronization external-rotor-type force moment motor drive Download PDF

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Publication number
CN100421874C
CN100421874C CNB2007100100635A CN200710010063A CN100421874C CN 100421874 C CN100421874 C CN 100421874C CN B2007100100635 A CNB2007100100635 A CN B2007100100635A CN 200710010063 A CN200710010063 A CN 200710010063A CN 100421874 C CN100421874 C CN 100421874C
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China
Prior art keywords
torque motor
axle
rotor
vertical
permanent
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CNB2007100100635A
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Chinese (zh)
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CN101011793A (en
Inventor
于德海
张文峰
鲍文禄
任志辉
郑君民
王庆鹏
李文庆
陈伟华
游华云
徐道明
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大连光洋科技工程有限公司
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Publication of CN101011793A publication Critical patent/CN101011793A/en
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Publication of CN100421874C publication Critical patent/CN100421874C/en

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Abstract

The invention relates to the vertical and horizontal single shaft rotary bench driven by an alternate permanent syntactic outside rotor torque motor. It directly fixes the bench on the end of the said torque motor rotor, connecting the shell with the inner cold bushing of the stator and the stator of the torque motor, with reduced middle drive linkages, improves the running precision and stability of the rotary bench, with bigger output torque and improved mechanical effect. It simplifies the braking mechanism with bigger clamping area, less drive effect with less size of the outside rotor torque motor under same performance conditions.

Description

The vertical and horizontal dual-purpose single axle table that AC permanent-magnet synchronous external rotor torque motor drives

Technical field

The present invention relates to a kind of turntable mechanism, more particularly, relate to and a kind ofly realize the mechanical device that turntable drives by torque motor.

Background technology

Traditional mechanical type transmission scheme of single axle table as shown in Figure 1, power source are realized the driving of turntable by transmission mechanism.Wherein, power source adopts servomotor, and with it as a unit independently, need not to consider the cooling of turntable inside.Middle transmission link adopts gear type transmission, pinion and-rack transmission or Worm-gear type transmission.In addition, the single axle table structure and the type of belt drive characteristics of prior art are: mouse fluted disc location, and servo-hydraulic motor driven wheel transmission fluid cylinder pressure clamps single axle table; Plane or wedge surface location, the driven by servomotor hydraulic jack clamps single axle table etc.Although in this traditional scheme, electrical wiring is less, the cost of entire product is lower, and problem is, has relatively high expectations usually for the machining accuracy of gear, tooth bar or worm and gear; And, make in the course of time and the precision and the stability decreases of single axle table system therefore reduced crudy because the existence of middle transmission link has produced rotary inertia, elastic deformation, backlass, motion delay, friction, vibration, noise and wearing and tearing.

Fig. 2 has provided the scheme that inside and outside rotator type torque motor drives single axle table respectively.In the single axle table scheme that adopts torque motor directly to drive, prior art adopts the torque motor (scheme that connects single axle table as internal rotor torque motor among Fig. 2) of internal rotor basically.The torque motor of inner rotor core and outer-rotor structure is compared, and under the condition of equal volume, the moment of torsion that the torque motor of inner-rotor-type produces is less.From magnetic line of force characteristic, the rotation of inner rotor stationarity is poor; In addition because rotor is interior, stator outside, the diameter of rotor is less, the brake structure design is comparatively complicated, and identical brake weight acts on the less plane, braking effect is not obvious.

Summary of the invention

The present invention is directed to the problems referred to above, a kind of vertical and horizontal dual-purpose single axle table that is driven by AC permanent-magnet synchronous external rotor torque motor is provided, its purpose is to solve at servomotor and realizes in the prior art that turntable drives the problems such as inertia, elastic deformation, backlass, motion delay, friction, vibration, noise and wearing and tearing because the existence of middle transmission link rotates by transmission mechanism, thereby has improved the running accuracy and the stationarity of single axle table.The present invention has also solved and has driven at the inner-rotor-type torque motor that the output torque that exists in the prior art of single axle table is little, braking mechanism is complicated, the problem of braking effect difference.And solved as the cooling of torque motor rotor/stator simultaneously and walked pipe, the cabling of torque motor, the problems such as sealing, gripping sleeve material and heat treatment of movement parts.Therefore the present invention utilizes the driving of built-in type torque motor alternative structure complicated mechanical formula, drive mechanism, has simplified the structure of single axle table greatly, has realized that the arbitrarily angled transposition of single axle table clamps, and finally realizes the accurate machining of workpiece.

In order to address the above problem, the present invention has constructed a kind of vertical and horizontal dual-purpose single axle table that is driven by AC permanent-magnet synchronous external rotor torque motor, and table top is directly fixed on the end of torque motor rotor; Cold cover is connected with the torque motor stator in the annular of the stationary housing of turntable, torque motor stator interior.

The AC permanent-magnet synchronous external rotor torque motor that above-mentioned vertical and horizontal dual-purpose single axle table is used, its characteristics are that rotor is made of permanent magnet, and rotor is positioned at the outside of annular stator; Rotor exterior is provided with braking mechanism.

In addition, be provided with between the table top of above-mentioned turntable and the rotor and be used for the rotating axial/radial bearing of turntable, the interior ring of this bearing utilizes screw to be fixed on the rotor, thereby the interior ring of table top, rotor and this bearing is fixed as one.And the connected mode between the stator of the housing of turntable and torque motor is: cold putting in stator is fixed on by screw, interior cold cover is fixed on the housing by screw.

The vertical and horizontal dual-purpose single axle table that AC permanent-magnet synchronous external rotor torque motor of the present invention drives, its further improvement also be, is basal plane with another burnishing surface A of the opposite turntable table top of housing, can so that the rotary main shaft of single axle table with the vertical structure setting; Be basal plane perhaps with smooth side B of housing, can so that the rotary main shaft of single axle table with the horizontal type structure setting.

The AC permanent-magnet synchronous external rotor torque motor that turntable of the present invention is used, its stator is made of silicon steel sheet and coil windings, and the interior ring of interior cold cover is provided with the cooling bath of helical form or dioptric type.

Pass through technique scheme, the vertical and horizontal dual-purpose single axle table that AC permanent-magnet synchronous external rotor torque motor of the present invention drives has omitted the middle transmission link that is provided with in the scheme of traditional driven by servomotor turntable, thereby eliminate rotary inertia, elastic deformation, backlass, motion delay, friction, vibration, noise and wearing and tearing that intermediate link produces, therefore improve the running accuracy and the stationarity of single axle table.

The present invention simultaneously compares with the scheme that internal rotor torque motor realization turntable drives, its beneficial effect is, because when the design moment motor, utilize permanent magnet the magnetic field direct tangential force of permanent magnet is acted on the bigger diameter as outer rotor, thereby have higher moment of torsion than internal rotor torque motor, have the high characteristics of mechanical advantage with volume.Because the diameter of rotor ring can be placed more permanent magnet more greatly, with regard to magnetic line of force characteristic, more can realize smooth rotation.In addition, outer rotor adopts the fluid pressure type braking mechanism, and simple in structure, the clamping action area is big, has bigger brake weight, and clamping is steady, and is little to system and transmission influence.Simultaneously, other kind motors of relative same torque, the volume of outer rotor torque motor is less.The outer rotor torque motor of small size particularly is suitable for driving turntable under identical performance condition, is the functional part of the key in the high-grade, digitally controlled machine tools.The present invention adopts the single axle table that outer rotor torque motor directly drives in addition, can horizontal-vertical double-purpose, expanded the scope of application greatly, and satisfy and process needs widely.

In a word, the vertical and horizontal dual-purpose single axle table of AC permanent-magnet synchronous external rotor torque motor driving of the present invention has compact conformation, drive mechanism is simple, component of machine is less, reaction sensitivity is high, do not have characteristics such as wearing and tearing, no backlass.

Description of drawings

Fig. 1 is the scheme schematic flow sheet that transmission link drives single axle table in the middle of being provided with in the prior art;

Fig. 2 is the comparison diagram that inside and outside rotator type torque motor drives the single axle table scheme respectively;

Fig. 3 is the cutaway view of the vertical and horizontal dual-purpose single axle table of AC permanent-magnet synchronous external rotor torque motor driving of the present invention;

Fig. 4 is that schematic diagram is looked on the left side of vertical and horizontal dual-purpose single axle table among Fig. 3.

Wherein, 1, needle bearing; 2, interior cold cover (or claiming coolant jacket); 3, stator; 4, gripping sleeve; 5, rotor; 6, the stationary housing of turntable; 7, bearing; 8, turntable table top.

The specific embodiment

As Fig. 3,, the vertical and horizontal dual-purpose single axle table that AC permanent-magnet synchronous external rotor torque motor of the present invention drives is described with reference to figure 4.Among the figure, when turntable of the present invention was the basal plane placement with the A face, the single axle table rotary main shaft was vertical; When being the basal plane placement with the B face, the single axle table rotary main shaft is horizontal; Therefore, A face and B face should be even curface, that is to say, when being basal plane when turntable is set with A, B two sides respectively, can guarantee the precision that main shaft is vertical or horizontal accurately.

Among the figure, be provided with between the rotor 5 of revolution table top 8 and torque motor and realize the rotating axial/radial bearing 7 of turntable.Ring links to each other with the rotor 5 of torque motor with screw respectively in revolution table top 8, the axial/radial bearing 7, becomes an assembly.And have encoder on the bearing 7, finish the calibration revolution of turntable, the anglec of rotation of turntable is 360 ° * n (n represents revolution).Stator 3 usefulness screws are fastened in the stator on the cold cover 2, and the interior cold screw of applying mechanically is fixed on the housing 6.

This brand-new structure of the present invention has replaced traditional drive mechanism, has finished the revolution action of turntable with minimum part.After adopting the built-in type torque motor, also must solve brake (clamping) problem of rotor, therefore, rotor 5 outsides being made of permanent magnet are provided with braking mechanism.Under the optimal way, braking mechanism is selected high-pressure and hydraulic gripping sleeve clamping structure for use, strain gripping sleeve 4 usefulness screws are fastened on the turntable stationary housing 6, and hydraulic oil enters the gripping sleeve inner annular recess by the turntable body and forms the bigger power of holding tightly, finish the brake location of turntable optional position.

In addition,, realize rotor for source stator coil winding cools off to the motor feels hot effectively, the big flow cooling of stator, the present invention is arranged on interior cold cover 2 inside of the stator 6 that is made of silicon steel sheet and coil windings.Cooling circuit can adopt spiral cooling bath, also can adopt the dioptric type cooling bath, under the optimal way, selects the dual-lead spiral cooling structure for use.The present invention simultaneously also needs to solve the problems such as sealing, the selection of gripping sleeve material and heat treatment of walking pipe, motor cabling, movement parts as external rotor type rotary joint, torque motor cooling fluid, but the solution of these problems all can select for use existing conventional mode to realize, according to particular problem, specifically select for use the conceptual design of prior art to get final product.

The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.

Claims (9)

1. the vertical and horizontal dual-purpose single axle table that AC permanent-magnet synchronous external rotor torque motor drives comprises turntable table top (8), it is characterized in that described table top (8) is directly fixed on the end of torque motor rotor (5); The stationary housing of turntable (6) is connected with the interior cold cover (2) of the stator of torque motor and the stator (3) of torque motor.
2. the vertical and horizontal dual-purpose single axle table that drives according to the described AC permanent-magnet synchronous external rotor torque motor of claim 1 is characterized in that described rotor (5) inwall is the permanent magnet paster, and described rotor (5) is positioned at the outside of annular stator (3); Described rotor (5) outer setting has braking mechanism.
3. the vertical and horizontal dual-purpose single axle table that drives according to the described AC permanent-magnet synchronous external rotor torque motor of claim 2, it is characterized in that, be provided with between described table top (8) and the described rotor (5) and be used for the rotating axial/radial bearing of turntable (7), the interior ring of described bearing (7) utilizes screw to be fixed on the described rotor (5), thereby the interior ring of described table top (8), rotor (5) and described bearing (7) is fixed as one.
4. the vertical and horizontal dual-purpose single axle table that drives according to the described AC permanent-magnet synchronous external rotor torque motor of claim 3, it is characterized in that, connected mode between the stator (3) of described housing (6) and torque motor is: described stator (3) is fixed on the described interior cold cover (2) by screw, and described interior cold cover (2) is fixed on the described housing (6) by screw.
5. the vertical and horizontal dual-purpose single axle table that drives according to the described AC permanent-magnet synchronous external rotor torque motor of claim 4 is characterized in that described bearing (7) is provided with and is used to finish the rotating encoder of turntable calibration.
6. the vertical and horizontal dual-purpose single axle table that drives according to the arbitrary described AC permanent-magnet synchronous external rotor torque motor of claim 1-5, it is characterized in that, the another side (A) opposite with turntable table top (8) of described housing (6) is flat surface, is that basal plane makes the rotary main shaft of single axle table become vertical setting with described (A).
7. the vertical and horizontal dual-purpose single axle table that drives according to the described AC permanent-magnet synchronous external rotor torque motor of claim 6, it is characterized in that, a side (B) of described housing (6) is a flat surface, is that basal plane makes the rotary main shaft of single axle table become horizontal setting with described side (B).
8. the vertical and horizontal dual-purpose single axle table that drives according to the arbitrary described AC permanent-magnet synchronous external rotor torque motor of claim 1-5 is characterized in that described stator (3) is made of silicon steel sheet and coil windings.
9. the vertical and horizontal dual-purpose single axle table that drives according to the arbitrary described AC permanent-magnet synchronous external rotor torque motor of claim 1-5 is characterized in that, the interior ring of described interior cold cover (2) is provided with the cooling bath of helical form or dioptric type.
CNB2007100100635A 2007-01-15 2007-01-15 Vertical and horizontal dual-purpose single axle table of AC permanent magnetic synchronization external-rotor-type force moment motor drive CN100421874C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100100635A CN100421874C (en) 2007-01-15 2007-01-15 Vertical and horizontal dual-purpose single axle table of AC permanent magnetic synchronization external-rotor-type force moment motor drive

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Application Number Priority Date Filing Date Title
CNB2007100100635A CN100421874C (en) 2007-01-15 2007-01-15 Vertical and horizontal dual-purpose single axle table of AC permanent magnetic synchronization external-rotor-type force moment motor drive

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CN100421874C true CN100421874C (en) 2008-10-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913087A (en) * 2010-08-09 2010-12-15 大连光洋科技工程有限公司 Conductive turntable
CN101554709B (en) * 2009-05-11 2011-03-30 清华大学 Motor built-in polishing machine turntable

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101596681B (en) * 2009-07-03 2011-04-27 东华大学 High-precision rotary working-table driven by moment motor
US8887361B2 (en) * 2009-10-29 2014-11-18 Dalian Kede Numerical Control Co., Ltd Vertical turning-milling complex machining center
DE102010035669A1 (en) * 2010-08-27 2012-03-01 Datron Ag machine tool
CN101944813B (en) * 2010-09-26 2012-07-04 沈阳工业大学 Outer rotor direct-drive permanent magnet synchronous motor for belt conveyer
CN101954596A (en) * 2010-10-11 2011-01-26 烟台环球机床附件集团有限公司 Numerical-control direct-drive turning-milling composite rotary working table
CN102085616B (en) * 2010-12-29 2013-10-23 中捷机床有限公司 High-rigidity swing head with large swing-angle range for horizontal five-axis machining centre lathe
CN102151850B (en) * 2011-03-22 2012-10-10 徐广人 Permanent magnet synchronous motor spindle of machine tool
CN106078243A (en) * 2016-07-13 2016-11-09 广东技术师范学院 A kind of high low speed horizontal-vertical double-purpose directly turns platform
CN106181435A (en) * 2016-08-26 2016-12-07 景德镇翼腾科技有限公司 Electric turntable and control method thereof
CN108213620A (en) * 2016-12-22 2018-06-29 北京市电加工研究所 A kind of torque motor drives the full immersion liquid turntable of electric spark
CN109794636A (en) * 2019-04-01 2019-05-24 广州霏鸿智能科技有限公司 A kind of numerical control rotation milling head structure

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US4554473A (en) * 1980-05-10 1985-11-19 Papst-Motoren Gmbh & Co. Kg Brushless direct current motor system
JP2001037141A (en) * 1999-07-15 2001-02-09 Hitachi Ltd Disk motor
CN1141775C (en) * 2001-07-05 2004-03-10 上海交通大学 Directly driven synchronous dragger with Nd-Fe-B permanent magnetic rotor
CN1850577A (en) * 2006-05-18 2006-10-25 杭州富沃德电子电器有限公司 Small-sized permanent-magnet synchnorous gearless dragging machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554473A (en) * 1980-05-10 1985-11-19 Papst-Motoren Gmbh & Co. Kg Brushless direct current motor system
JP2001037141A (en) * 1999-07-15 2001-02-09 Hitachi Ltd Disk motor
CN1141775C (en) * 2001-07-05 2004-03-10 上海交通大学 Directly driven synchronous dragger with Nd-Fe-B permanent magnetic rotor
CN1850577A (en) * 2006-05-18 2006-10-25 杭州富沃德电子电器有限公司 Small-sized permanent-magnet synchnorous gearless dragging machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101554709B (en) * 2009-05-11 2011-03-30 清华大学 Motor built-in polishing machine turntable
CN101913087A (en) * 2010-08-09 2010-12-15 大连光洋科技工程有限公司 Conductive turntable
CN101913087B (en) * 2010-08-09 2012-02-29 大连光洋科技工程有限公司 Conductive turntable

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