CN103227532B - Screw rotation motor device - Google Patents
Screw rotation motor device Download PDFInfo
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- CN103227532B CN103227532B CN201310155020.1A CN201310155020A CN103227532B CN 103227532 B CN103227532 B CN 103227532B CN 201310155020 A CN201310155020 A CN 201310155020A CN 103227532 B CN103227532 B CN 103227532B
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Abstract
The invention relates to a screw rotation motor device which comprises a motor stator component, a motor rotor, a movement lead screw, a rack and a load. The motor stator component, the motor rotor and the movement lead screw are perpendicular to a mounting plane of the rack; the motor stator component comprises at least one group of motor stators, and stator seats for fixing the motor stators; the stator seats are fixed on the rack; the load is arranged at one end of the movement lead screw; and the other end of the movement lead screw is fixed at the bottom of the motor rotor. A nut is arranged on the rack and provided with internal threads matched with the movement lead screw; the motor stators and the motor rotor function through an air-gap field to allow the motor rotor to rotate; the movement lead screw is driven by thread engagement of the nut to do linear motion vertically; and the motor rotor and the load do the linear motion vertically with the movement lead screw. According to the screw rotation motor device, the load is directly driven to do the linear motion, an intermediate transmission link is removed, and the screw rotation motor device has the characteristics of compact and simple structure, high efficiency and the like.
Description
Technical field
The invention belongs to techniques of linear motor field, particularly a kind of screw rotation motor device.
Background technology
Many mechanical devices need to rotate or rectilinear motion, are generally all reached by electric rotating machine or linear electric motors.And to be connected the restriction due to the intensity and machining length that are subject to screw mandrel of the device that produces rectilinear motion with screw mandrel by electric rotating machine, for the metal forming machinery of the friction press class of the thousands of tonnage of such as hundreds of, just helpless, just can only be combined with friction pulley again by large flywheel energy storage, then by screw mandrel, rotary motion is converted to rectilinear motion.This frame mode not only efficiency is low, and whole system complex structure rapid wear.If directly adopt general linear electric motors to drive the metal forming machinery of the friction press class of the thousands of tonnage of such as hundreds of to be subject to again the restriction of cost and self-locking requirement.
On the other hand, undergoing technological transformation in process, retain original transmission mechanism to original pressing equipment or forging equipment, only transforming former driving mechanism can both significantly reduce costs, and shortened the transformation cycle, can save energy and reduce the cost again, improved work efficiency.And technical scheme of the present invention is a simple and effective feasible scheme.
Summary of the invention
Technical problem to be solved by this invention is, there is provided that a kind of transmission mechanism is simple, flexible arrangement, wearing and tearing are little, system effectiveness is high, control is convenient, intelligence degree is high screw rotation motor device, be particularly suitable on some such as stamping machine and friction press.
The present invention realizes like this, a kind of screw rotation motor device is provided, comprise motor stator component, rotor, movement lead screw, frame and load, motor stator component, rotor and movement lead screw are vertical with the mounting plane of frame respectively, motor stator component comprises the stator seat of at least one group of motor stator and fixed electrical machinery stator, stator seat is fixed in frame, load is arranged on one end of movement lead screw, the other end of movement lead screw is fixed on the bottom of rotor, rotor comprises conduction outer ring, magnetic conduction inner ring and rotator seat, conduction outer ring is arranged on the outer surface of magnetic conduction inner ring, rotator seat is arranged on the side of conduction outer ring and magnetic conduction inner ring, and be fixed together with conduction outer ring and magnetic conduction inner ring, frame is provided with nut, and nut is provided with the internal thread matched with movement lead screw, motor stator and rotor make rotor produce rotary motion by air-gap field effect, and by the upper and lower rectilinear motion of screw-threaded engagement brought into motion screw mandrel of nut, rotor and power follower movement lead screw be upper and lower rectilinear motion together.
Further, motor stator component comprises two motor stators, and two motor stators are separately positioned on the outside of rotor, and each motor stator comprises stator core and stator winding.
Particularly, motor stator is provided with the arcwall face matched with outer circle of motor rotor perimeter surface, and arcwall face is provided with some stator slots, and each stator slot is arranged along being parallel to movement lead screw axis direction, and stator winding is arranged in stator slot.
Further, conduction outer ring is the conducting metal of 1-3mm.
Further, magnetic conduction inner ring is the magnetic conductive metal of 5-10mm.
Further, magnetic conduction inner ring and conduction outer ring are composited by explosive welding (EW).
Further, stator seat is also provided with roller and roller arm, roller is arranged on the position near rotor side, and roller arm is fixed on stator seat.
Further, roller arm is provided with adjusting device, the idler wheel surface of roller and the distance of rotor side can be regulated.
Compared with prior art, beneficial effect of the present invention is: this screw rotation motor device not only can be used as rotary motion motor but also can be used as rectilinear motion motor, is specially adapted to occasion that motor and load unite two into one and rectilinear motion needs on the device of self-locking.The present invention Direct driver load can do rectilinear motion, eliminates intermediate transmission link, has that structure is simple, compact, precision is high, efficiency is high, control the features such as easy, and cost is low, fault is few, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the schematic front view of a preferred embodiment of the present invention;
Fig. 2 is the schematic front view of the rotor of Fig. 1 when being in another movement position;
Fig. 3 is the schematic top plan view of Fig. 1;
Fig. 4 is the expansion schematic diagram in motor stator M cross section in Fig. 1.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please with reference to shown in Fig. 1 to Fig. 4, it is a preferred embodiment of the present invention.The screw rotation motor device of the present embodiment comprises motor stator component 1, rotor 2, movement lead screw 3, frame 4 and load 5.
Motor stator component 1, rotor 2 and movement lead screw 3 are vertically arranged, and vertical with the mounting plane of frame 4 respectively.Load 5 is arranged on one end of movement lead screw 3, and the other end of movement lead screw 3 is fixed on the bottom of rotor 2.Motor stator component 1 comprises the stator seat 12 of at least one motor stator 11 and fixed electrical machinery stator 11, and stator seat 12 is fixed in frame 4.In the present embodiment, motor stator component 1 comprises the outside that two motor stators, 11, two motor stators 11 are separately positioned on rotor 2, and with the axis of rotor 2 for symmetry axis is symmetrical arranged.Each motor stator 11 comprises stator core 111 and stator winding 112.Motor stator 11 is provided with the arcwall face 113 matched with rotor 2 external peripheral surface, is provided with gap 13 between arcwall face 113 and rotor 2 external peripheral surface.Arcwall face 113 is provided with some stator slots 114, and each stator slot 114 is arranged along the axis direction being parallel to movement lead screw 3, and stator winding 112 is arranged in stator slot 114.
Rotor 2 comprises conduction outer ring 21, magnetic conduction inner ring 22 and rotator seat 23, conduction outer ring 21 is arranged on the outer surface of magnetic conduction inner ring 22, rotator seat 23 is arranged on the side of conduction outer ring 21 and magnetic conduction inner ring 22, and is fixed together with conduction outer ring 21 and magnetic conduction inner ring 22.
Frame 4 is provided with nut 6, and nut 6 is provided with the internal thread matched with movement lead screw 3.Motor stator 11 and rotor 2 make rotor 2 produce rotary motion by air-gap field effect, and by screw-threaded engagement brought into motion screw mandrel about 3 rectilinear motion of nut 6, rotor 2 and load 5 accompany movement screw mandrel 3 be upper and lower rectilinear motion together.Being appreciated that the screw thread that movement lead screw 3 is arranged both can be trapezoidal thread, also can be other heavily loaded screw thread.
Stator seat 12 is also provided with roller 8 and roller arm 9, and roller 8 is arranged on the position near rotor 2 side, and roller arm 9 is fixed on stator seat 12.When rotor 2 helical rotation, roller 8 effectively can limit and reduce the amplitude of fluctuation of rotor 2, plays the effect of stable electrical machine rotor 2, improves stability during equipment operation.In the present embodiment, each stator seat 12 is respectively arranged with two cover rollers 8 and roller arm 9, and four cover rollers 8 and roller arm 9 are arranged with the axisymmetrical of rotor 2 rotation axis respectively, and angle is each other 90 degree.Be symmetrical arranged like this, the stress balance of rotor 2 can be improved, improve stability.Roller arm 9 is arranged on the stage casing of stator seat 12, is positioned at the below of motor stator 1.No matter rotor 2 is in extreme lower position, is still in extreme higher position, and roller 8 can roll in the side of rotor 2, plays the swing effect reducing rotor 2.
Meanwhile, conveniently regulate the idler wheel surface of roller 8 and the distance of rotor 2 side, the run stability of regulation and control rotor 2, roller arm 9 is provided with adjusting device (not shown) further.Being appreciated that adjusting device can be that roller 8 and the installation site of roller arm 9 are arranged U-lag, also can be other structure rotating shaft floating ground of roller 8 is fixed on roller arm 9.
In the present embodiment, conduction outer ring 21 is conducting metals of 1-3mm, such as: copper sheet.Magnetic conduction inner ring 22 is magnetic conductive metals of 5-10mm, such as: iron plate or silicon steel sheet.Magnetic conduction inner ring 22 and conduction outer ring 21 are fixedly formed by explosive welding (EW) compound.In order to strengthen the flexibility during rotation of movement lead screw 3, in frame 4, be provided with many group sliding bearings 7, sliding bearing 7 is separately positioned on the two ends up and down of nut 6.In order to increase the intensity of rotor 2, reinforcement (not shown) can be set in magnetic conduction inner ring 22.
After motor stator winding 112 passes into alternating current, the magnetic field along the circumferential direction rotated can be produced, can rotate by drive motors rotor 2, and the rotation of rotor 2 is rotator seat 23 rotates, the movement lead screw 3 that rotarily drives of rotator seat 23 makes up and down reciprocatingly rectilinear motion, band dynamic load 5 up and down reciprocatingly rectilinear motion.Change the rotating magnetic field direction of two linear electric motors respectively, can control easily and realize accelerating the rotation of rotor 2 and slowing down.The present invention Direct driver load can do rectilinear motion, eliminates intermediate transmission link, has that structure is simple, compact, precision high, and fault is few, easy to maintenance.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a screw rotation motor device, comprise motor stator component, rotor, movement lead screw, frame and load, described motor stator component, rotor and movement lead screw are vertical with the mounting plane of described frame respectively, described motor stator component comprises the stator seat of at least one group of motor stator and fixed electrical machinery stator, described stator seat is fixed in described frame, described load is arranged on one end of described movement lead screw, the other end of described movement lead screw is fixed on the bottom of described rotor, it is characterized in that, described rotor comprises conduction outer ring, magnetic conduction inner ring and rotator seat, described conduction outer ring is arranged on the outer surface of magnetic conduction inner ring, described rotator seat is arranged on the side of described conduction outer ring and magnetic conduction inner ring, and be fixed together with described conduction outer ring and magnetic conduction inner ring, described frame is provided with nut, and described nut is provided with the internal thread matched with described movement lead screw, described motor stator and rotor make described rotor produce rotary motion by air-gap field effect, the upper and lower rectilinear motion of described movement lead screw is driven, the rectilinear motion up and down together of movement lead screw described in described rotor and power follower by the screw-threaded engagement of described nut, described stator seat is also provided with roller and roller arm, and described roller is arranged on the position near described rotor side, and described roller arm is fixed on described stator seat.
2. screw rotation motor device as claimed in claim 1, it is characterized in that, described motor stator component comprises two motor stators, and two described motor stators are separately positioned on the outside of described rotor, and each described motor stator comprises stator core and stator winding.
3. screw rotation motor device as claimed in claim 2, it is characterized in that, described motor stator is provided with the arcwall face matched with described outer circle of motor rotor perimeter surface, described arcwall face is provided with some stator slots, each described stator slot is arranged along being parallel to described movement lead screw axis direction, and described stator winding is arranged in described stator slot.
4. screw rotation motor device as claimed in claim 1, it is characterized in that, described conduction outer ring is the conducting metal of 1-3mm.
5. screw rotation motor device as claimed in claim 1, it is characterized in that, described magnetic conduction inner ring is the magnetic conductive metal of 5-10mm.
6. screw rotation motor device as claimed in claim 1, is characterized in that, described magnetic conduction inner ring and conduction outer ring are composited by explosive welding (EW).
7. screw rotation motor device as claimed in claim 1, is characterized in that, described roller arm is provided with adjusting device, can regulate the distance of the idler wheel surface of described roller and described rotor side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155020.1A CN103227532B (en) | 2013-04-29 | 2013-04-29 | Screw rotation motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155020.1A CN103227532B (en) | 2013-04-29 | 2013-04-29 | Screw rotation motor device |
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| Publication Number | Publication Date |
|---|---|
| CN103227532A CN103227532A (en) | 2013-07-31 |
| CN103227532B true CN103227532B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155020.1A Active CN103227532B (en) | 2013-04-29 | 2013-04-29 | Screw rotation motor device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440112B (en) * | 2019-09-04 | 2024-06-14 | 上海隐冠半导体技术有限公司 | Vertical movement device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203580U (en) * | 1986-05-29 | 1986-12-10 | 华中工学院 | Solid rotor asynchronous motor with spirally ratating |
| CN1055087A (en) * | 1990-03-21 | 1991-10-02 | 陈启星 | Laminal conductor type rotor for asynchronous motor |
| EP1148016A2 (en) * | 2000-04-20 | 2001-10-24 | Berger Lahr GmbH & Co. KG | Apparatus for winding a thread on a bobbin |
| CN2605694Y (en) * | 2003-04-08 | 2004-03-03 | 北方交通大学 | Helical electric motor |
| CN203261181U (en) * | 2013-04-29 | 2013-10-30 | 杭州新峰恒富科技有限公司 | Spiral rotation motor device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013005491A (en) * | 2011-06-13 | 2013-01-07 | Nsk Ltd | Linear actuator |
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2013
- 2013-04-29 CN CN201310155020.1A patent/CN103227532B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203580U (en) * | 1986-05-29 | 1986-12-10 | 华中工学院 | Solid rotor asynchronous motor with spirally ratating |
| CN1055087A (en) * | 1990-03-21 | 1991-10-02 | 陈启星 | Laminal conductor type rotor for asynchronous motor |
| EP1148016A2 (en) * | 2000-04-20 | 2001-10-24 | Berger Lahr GmbH & Co. KG | Apparatus for winding a thread on a bobbin |
| CN2605694Y (en) * | 2003-04-08 | 2004-03-03 | 北方交通大学 | Helical electric motor |
| CN203261181U (en) * | 2013-04-29 | 2013-10-30 | 杭州新峰恒富科技有限公司 | Spiral rotation motor device |
Non-Patent Citations (1)
| Title |
|---|
| 于明湖,等人.《双定子直线振动电机高效控制策略》.《浙江大学学报(工学版)》.2011,第45卷(第5期),第799-803页. * |
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| CN103227532A (en) | 2013-07-31 |
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