CN107437882A - A kind of stepping motor - Google Patents
A kind of stepping motor Download PDFInfo
- Publication number
- CN107437882A CN107437882A CN201710722491.4A CN201710722491A CN107437882A CN 107437882 A CN107437882 A CN 107437882A CN 201710722491 A CN201710722491 A CN 201710722491A CN 107437882 A CN107437882 A CN 107437882A
- Authority
- CN
- China
- Prior art keywords
- rotor
- casing
- gap
- disappears
- screw mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/24—Structural association with auxiliary mechanical devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a kind of stepping motor, and it includes:Casing;Rotor, by axial limiting on casing;Stator, it is fixedly mounted on casing and is placed in rotor periphery;Screw mandrel, axially penetrate through casing and be connected with rotor threads, the rotor, which circumferentially rotates, can drive screw mandrel axial displacement;Gap-eliminating structure, the gap nut that disappears of casing side, the retainer ring for fixing disappear gap nut and rotor, the spring for being connected to retainer ring between the gap nut that disappears are placed in outside screw mandrel including being set in, the retainer ring is spacing by alignment pin and the gap nut that disappears, and the spring is set in outside screw mandrel and is placed in the gap nut interior that disappears.This stepping motor, which has, to be reduced the wasting of resources, can improve the advantages of positioning precision and service life.
Description
Technical field
The invention belongs to field of mechanical technique, is related to a kind of stepping motor.
Background technology
In the prior art, should there be cylinder-driven structure, cylinder in the field such as medical treatment, manipulator, 3D printer, Aero-Space
The problem of transmission link generally existing positioning precision is not high and service life is short, original cylinder-driven must be equipped with air pump, also greatly
Improve production cost greatly;On the other hand, the present invention devises a kind of stepping electricity for being used for Linear transmission, positioning, transmission operating position
Motivation structure originally used the link of cylinder-driven with replacement.
In summary, it is necessary to design a kind of stepping motor that can improve positioning precision and service life.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that one kind reduces the wasting of resources, can carried
The stepping motor of high position precision and service life.
The purpose of the present invention can be realized by following technical proposal:A kind of stepping motor, including:
Casing;
Rotor, by axial limiting on casing;
Stator, it is fixedly mounted on casing and is placed in rotor periphery;
Screw mandrel, axially penetrate through casing and be connected with rotor threads, the rotor, which circumferentially rotates, can drive screw mandrel axial displacement;
Gap-eliminating structure, including be set in be placed in outside screw mandrel casing side the gap nut that disappears, for it is fixed disappear gap nut and
The retainer ring of rotor, the spring for being connected to retainer ring between the gap nut that disappears, the retainer ring pass through alignment pin and the gap nut that disappears
Spacing, the spring is set in outside screw mandrel and is placed in the gap nut interior that disappears.
As a further improvement on the present invention, hollow connecting shaft, the connecting shaft axially are inserted with the middle part of the rotor
With being provided with the female thread structure being connected with wire rod thread inside rotor correspondence position, described connecting shaft one end is limited by chassis axial
Position, the other end stretch into the gap nut and by axial limiting of disappearing through casing, and the Fixing shrink ring is located at connecting shaft correspondence position, described
Screw mandrel axially penetrates through connecting shaft.
As the further improvement of the present invention, a point bearing for row rotor both sides, the company are arranged with the connecting shaft
Spindle is connected by the bearing with casing.
As the further improvement of the present invention, the casing is fastened by drive end bearing bracket and rear end cap and formed, the stator with
Casing structure is adapted to and is close-coupled between drive end bearing bracket and rear end cap, and three is fixed together.
As the further improvement of the present invention, the rotor is by two iron cores laminated and is clamped between two iron cores
Magnetic rings composition.
As a further improvement on the present invention, described disappear has gap between gap nut and casing.
As a further improvement on the present invention, the retainer ring submerges the gap nut interior that disappears completely, and alignment pin is arranged to
Symmetrical a pair, the alignment pin gap nut and insert retainer ring along perpendicular to screw mandrel axial direction through disappearing.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect:This stepping motor is whole
Body structure can replace the occasion cylinder-driven link such as original manipulator, reduce the wasting of resources, such as motor operating power consumption about 5W,
Cylinder-driven energy consumption is in 200W, and motor drive position can be realized that multistage multiple speed is complicated by host computer and be run, and gas
Cylinder then can not;The positioning physical life of cylinder is typically within 2 years, and typically at 10 years or so, high makes the service life of motor
The optimization of electromechanics structure of the present invention is depended on the life-span, is eliminated by motor rear portion backlass, on the one hand can improved
Positioning precision, operation noise is reduced, on the other hand can greatly improve service life, specifically, the present invention passes through the gap spiral shell that disappears
Female, spring and alignment pin eliminate the axial gap of screw mandrel and rotor position internal thread, so as to reach the principle for the gap that disappears;The gap that disappears nut
Fixed position corresponding with rotor is integrally connected by retainer ring, can so allow the gap nut that disappears to serve as the function of trimming hand wheel again,
Above-mentioned alignment pin is used to dock and spacing retainer ring, the gap that disappears nut.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein:
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is the sectional view of a preferred embodiment of the present invention.
Fig. 3 is the explosive view of a preferred embodiment of the present invention.
Fig. 4 is the explosive view at another visual angle of a preferred embodiment of the present invention.
In figure, 10, casing;11st, drive end bearing bracket;12nd, rear end cap;20th, rotor;30th, stator;40th, screw mandrel;51st, the gap that disappears nut;
52nd, retainer ring;53rd, spring;54th, alignment pin;60th, connecting shaft;70th, bearing;80th, screw.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Technical scheme provided by the invention is illustrated in more detail with reference to Fig. 1 to Fig. 4.
As shown in Figures 1 to 4, this stepping motor includes:
Casing 10;
Rotor 20, by axial limiting on casing 10;
Stator 30, it is fixedly mounted on casing 10 and is placed in the periphery of rotor 20;
Screw mandrel 40, it is a kind of elongated rod shape screw-rod structure, it axially penetrates through casing 10 and is threadedly coupled with rotor 20, described turn
Son 20, which circumferentially rotates, can drive the axial displacement of screw mandrel 40;I.e. the position of rotor 20 has female thread structure, and screw mandrel 40 passes through rotor 20
And it is threadedly coupled with rotor 20;
Gap-eliminating structure, including be set in and the gap nut 51 that disappears of the side of casing 10 is placed in outside screw mandrel 40, for the fixed gap that disappears
The retainer ring 52 of nut 51 and rotor 20, the spring 53 for being connected to retainer ring 52 between the gap nut 51 that disappears, the retainer ring 52
Spacing by alignment pin 54 and the gap nut 51 that disappears, the spring 53 is set in outside screw mandrel 40 inside the gap nut 51 that is placed in disappearing.
The present invention protects a kind of stepping motor, for Linear transmission, positioning, transmits operating position, can be applied to machinery
Original link for using cylinder-driven is replaced in the occasions such as hand, positioning precision is substantially increased, reduces operation noise, because motor
Transmission only needs corresponding control panel to can be achieved with the corresponding method of operation.
In the present case, amplifying circuit controlled motor can be controlled by single-chip microcomputer.
This stepping motor integral structure layout is compact, reasonable, during work, motor can by single-chip microcomputer and host computer or
Remote control, the back and forth movement of simple realization screw mandrel 40, is rotated by rotor 20, and the inside of rotor 20 carries internal thread, by screw mandrel 40
One is fixed on the position for needing to be driven, so as to realize the displacement of workpiece or position.
This stepping motor structure can replace originally using cylinder-driven link, reduce the wasting of resources, such as motor work energy
About 5W is consumed, cylinder-driven energy consumption is in 200W, and motor drive position can realize the complicated fortune of multistage multiple speed by host computer
OK, and cylinder then can not.
The positioning physical life of cylinder is typically within 2 years, and typically at 10 years or so, high makes the service life of motor
The optimization of electromechanics structure of the present invention is depended on the life-span, is eliminated by motor rear portion backlass, on the one hand can improved
Positioning precision, operation noise is reduced, on the other hand can greatly improve service life.
Specifically, the present invention is eliminated in screw mandrel 40 and the position of rotor 20 by the gap nut 51 that disappears, spring 53 and alignment pin 54
The axial gap of screw thread, so as to reach the principle for the gap that disappears;The gap that disappears nut 51 passes through retainer ring 52 with 20 corresponding fixed position of rotor
It is integrally connected, can so allows the gap nut 51 that disappears to serve as the function of trimming hand wheel again, above-mentioned alignment pin 54 is used to dock and spacing
Retainer ring 52, the gap that disappears nut 51.
In the present invention, there is gap between the gap that disappears nut 51 and casing 10, avoid component interference, also ensure the gap nut that disappears
Reliability during 51 regulation.
Further, to ensure docking for gap-eliminating structure and rotor 20, the connection of screw mandrel 40 and rotor 20, and rotor 20
Axial limiting effect.
The middle part of preferred rotor 20 is axially inserted with hollow connecting shaft 60, the connecting shaft 60 with the correspondence position of rotor 20
Portion is provided with the female thread structure being threadedly coupled with screw mandrel 40, and described one end of connecting shaft 60 is worn by the axial limiting of casing 10, the other end
Cross casing 10 and stretch into and disappear gap nut 51 and the correspondence position of connecting shaft 60, the silk are set in by axial limiting, the retainer ring 52
Bar 40 axially penetrates through connecting shaft 60, drives connecting shaft 60 to rotate and then drive screw mandrel axial action when rotor rotates.
Further, a point bearing 70 for the both sides of row rotor 20 is preferably arranged with connecting shaft 60, the connecting shaft 60 is logical
The bearing 70 is crossed to be connected with casing 10.
Bearing 70 in the present invention not only ensures the reliability that connecting shaft 60 circumferentially rotates, and is also corresponded to on casing 10 spacing
Respective outer side edges, ensure connecting shaft 60 and the reliability of the axial limiting of rotor 20, avoid axial float, rotor 20 circumferentially rotates flat
Surely.
Preferably, retainer ring 52 is submerged inside the gap nut 51 that disappears completely, and alignment pin 54 is arranged to symmetrical a pair,
The alignment pin 54 gap nut 51 and inserts retainer ring 52 along perpendicular to the axial direction of screw mandrel 40 through disappearing, to ensure limit effect
Eliminated with the axial gap of the position internal thread of rotor 20 so that the gap that disappears nut 51 is relatively reliable when being used as trimming hand wheel.
To improve the reasonability of the compactedness of topology layout and space layout, it is preferable that casing 10 is by drive end bearing bracket 11 with after
End cap 12 is fastened and formed, and the stator 30 and the physical fit of casing 10 are simultaneously close-coupled between drive end bearing bracket 11 and rear end cap 12,
And three is fixed together.
It is preferred that drive end bearing bracket 11, stator 30 and rear end cap 12 are fixed together by screw 80 and form overall fixed structure
(i.e. relative position is fixed), rotor 20 are located in stator 30, and screw 80 sequentially passes through drive end bearing bracket 11, stator 30 and rear end cap 12.
Further, the overall structure after above-mentioned drive end bearing bracket 11, rear end cap 12 and stator 30 assemble is preferably square body, on
State four that screw 80 is preferably arranged to be loaded on four edges respectively.
It is worth mentioning that:Gap-eliminating structure in this case can be placed in the outside of rear end cap 12, can also be placed in the outside of drive end bearing bracket 11,
Its position outside of rear end cap 12 i.e. as depicted is not limited to.
To ensure that the reliability of work and rotor 20, stator 30 closely coordinate, preferred rotor 20 is laminated by two
Iron core and be clamped between two iron cores magnetic rings composition.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (7)
- A kind of 1. stepping motor, it is characterised in that:Including:Casing;Rotor, by axial limiting on casing;Stator, it is fixedly mounted on casing and is placed in rotor periphery;Screw mandrel, axially penetrate through casing and be connected with rotor threads, the rotor, which circumferentially rotates, can drive screw mandrel axial displacement;Gap-eliminating structure, including be set in and the gap nut that disappears of casing side is placed in outside screw mandrel, for fixed disappear gap nut and rotor Retainer ring, the spring that is connected to retainer ring between the gap nut that disappears, the retainer ring is spacing by alignment pin and the gap nut that disappears, The spring is set in outside screw mandrel and is placed in the gap nut interior that disappears.
- A kind of 2. stepping motor according to claim 1, it is characterised in that:Axially it is inserted with the middle part of the rotor hollow Connecting shaft, be provided with the female thread structure being connected with wire rod thread, the connection inside the connecting shaft and rotor correspondence position Axle one end is spacing by chassis axial, and the other end is stretched into disappear through casing and gap nut and is located at by axial limiting, the Fixing shrink ring Connecting shaft correspondence position, the screw mandrel axially penetrate through connecting shaft.
- A kind of 3. stepping motor according to claim 2, it is characterised in that:A point row rotor is arranged with the connecting shaft The bearing of both sides, the connecting shaft are connected by the bearing with casing.
- A kind of 4. stepping motor according to claim 1, it is characterised in that:The casing is by drive end bearing bracket and rear end cover buckle Conjunction forms, and the stator is adapted to and is close-coupled between drive end bearing bracket and rear end cap with casing structure, and three is fixed together.
- A kind of 5. stepping motor according to claim 1, it is characterised in that:The rotor is by two iron cores laminated And the magnetic rings composition being clamped between two iron cores.
- A kind of 6. stepping motor according to claim 1, it is characterised in that:Described disappear has between gap nut and casing Gap.
- A kind of 7. stepping motor according to claim 1, it is characterised in that:The retainer ring submerges the gap nut that disappears completely Inside, and alignment pin is arranged to symmetrical a pair, the alignment pin passes through the gap nut that disappears along perpendicular to screw mandrel axial direction And insert retainer ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710722491.4A CN107437882A (en) | 2017-08-22 | 2017-08-22 | A kind of stepping motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710722491.4A CN107437882A (en) | 2017-08-22 | 2017-08-22 | A kind of stepping motor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107437882A true CN107437882A (en) | 2017-12-05 |
Family
ID=60460597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710722491.4A Pending CN107437882A (en) | 2017-08-22 | 2017-08-22 | A kind of stepping motor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107437882A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111135021A (en) * | 2020-01-21 | 2020-05-12 | 橙象医疗科技(广州)有限公司 | Power source transmission structure |
CN112886771A (en) * | 2021-02-02 | 2021-06-01 | 宁波鼎祥电器制造有限公司 | Self-cleaning stepping motor |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3041034U (en) * | 1997-02-28 | 1997-09-05 | 日本サーボ株式会社 | Laminated core inner rotor type rotating electric machine |
US20040250637A1 (en) * | 2003-05-26 | 2004-12-16 | Yutaka Hosokai | Anti-backlash nut |
US20080115605A1 (en) * | 2006-11-16 | 2008-05-22 | Erikson Kenneth W | Motor assembly with anti-backlash nut and thermal insensitive mechanism |
CN202798417U (en) * | 2012-07-26 | 2013-03-13 | 常州市金杯控制电机有限公司 | Hybrid stepping-motor rotor |
CN204741396U (en) * | 2015-05-20 | 2015-11-04 | 常州市鼎智机电有限公司 | Link up a linear stepping motor |
CN204794541U (en) * | 2015-07-09 | 2015-11-18 | 常州市鼎智机电有限公司 | Compact lead screw motor |
JP2016032422A (en) * | 2014-07-30 | 2016-03-07 | ミネベア株式会社 | Inner rotor motor |
CN206036160U (en) * | 2016-08-29 | 2017-03-22 | 常州市三协电机电器有限公司 | Screw thread interstitial structure is eliminated to lead screw motor |
CN206117336U (en) * | 2016-10-31 | 2017-04-19 | 常州富兴机电有限公司 | High -speed low inertia stepping motor rotor that is just reversing |
CN207098914U (en) * | 2017-08-22 | 2018-03-13 | 宁波鼎祥电器制造有限公司 | A kind of stepping motor |
-
2017
- 2017-08-22 CN CN201710722491.4A patent/CN107437882A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3041034U (en) * | 1997-02-28 | 1997-09-05 | 日本サーボ株式会社 | Laminated core inner rotor type rotating electric machine |
US20040250637A1 (en) * | 2003-05-26 | 2004-12-16 | Yutaka Hosokai | Anti-backlash nut |
US20080115605A1 (en) * | 2006-11-16 | 2008-05-22 | Erikson Kenneth W | Motor assembly with anti-backlash nut and thermal insensitive mechanism |
CN202798417U (en) * | 2012-07-26 | 2013-03-13 | 常州市金杯控制电机有限公司 | Hybrid stepping-motor rotor |
JP2016032422A (en) * | 2014-07-30 | 2016-03-07 | ミネベア株式会社 | Inner rotor motor |
CN204741396U (en) * | 2015-05-20 | 2015-11-04 | 常州市鼎智机电有限公司 | Link up a linear stepping motor |
CN204794541U (en) * | 2015-07-09 | 2015-11-18 | 常州市鼎智机电有限公司 | Compact lead screw motor |
CN206036160U (en) * | 2016-08-29 | 2017-03-22 | 常州市三协电机电器有限公司 | Screw thread interstitial structure is eliminated to lead screw motor |
CN206117336U (en) * | 2016-10-31 | 2017-04-19 | 常州富兴机电有限公司 | High -speed low inertia stepping motor rotor that is just reversing |
CN207098914U (en) * | 2017-08-22 | 2018-03-13 | 宁波鼎祥电器制造有限公司 | A kind of stepping motor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111135021A (en) * | 2020-01-21 | 2020-05-12 | 橙象医疗科技(广州)有限公司 | Power source transmission structure |
CN112886771A (en) * | 2021-02-02 | 2021-06-01 | 宁波鼎祥电器制造有限公司 | Self-cleaning stepping motor |
CN112886771B (en) * | 2021-02-02 | 2022-03-25 | 宁波鼎祥电器制造有限公司 | Self-cleaning stepping motor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204794602U (en) | Permanent -magnet machine positioning frock | |
CN106787412A (en) | A kind of highly integrated formula electromechanical actuator of integrated design | |
CN107437882A (en) | A kind of stepping motor | |
CN204376659U (en) | Electric motor car birotor fluid-cooled electrical machine | |
CN106329853A (en) | Assembling and positioning tool of permanent magnet motor | |
CN207098914U (en) | A kind of stepping motor | |
CN110094352A (en) | A kind of high-speed fan shafting structure and its assemble method | |
CN108808973A (en) | A kind of twin shaft magnetic suspension bearing reluctance motor | |
CN206323228U (en) | A kind of micro direct current brushless motor | |
CN205610362U (en) | Direct current motor | |
CN103448898A (en) | Marine integrated electric steering engine | |
CN201224318Y (en) | Electronic control electric magnetic differential drive axle | |
CN204247973U (en) | A kind of air floated high speed electric mandrel axle cored structure | |
CN203562882U (en) | Three-stage-transmission brushless motor easy to assemble | |
CN107342637A (en) | Direct current generator | |
CN104617724A (en) | Concentric same-direction double-shaft brushless motor | |
CN203170998U (en) | Combined type super magnetostrictive material driving servo boring bar device | |
CN207960822U (en) | A kind of flexible blade and tidal current energy water turbine of variable curvature | |
CN205599931U (en) | Rear -mounted disk electricity main shaft structure | |
CN202276211U (en) | Rotor structure of aviation permanent magnet synchronous alternator | |
CN207265754U (en) | Motor | |
CN103607070A (en) | Three-level deceleration brushless motor | |
CN115123539B (en) | Magnetic suspension electric tail rotor of helicopter | |
CN104474722B (en) | Motor of model airplane screw mounting seat positioner | |
CN203019107U (en) | Screw rod mechanism of numerical control machine tool |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |