CN203708070U - Linear motor for reducing cogging force - Google Patents
Linear motor for reducing cogging force Download PDFInfo
- Publication number
- CN203708070U CN203708070U CN201320739124.2U CN201320739124U CN203708070U CN 203708070 U CN203708070 U CN 203708070U CN 201320739124 U CN201320739124 U CN 201320739124U CN 203708070 U CN203708070 U CN 203708070U
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- CN
- China
- Prior art keywords
- iron core
- metallic plate
- metal framework
- mover iron
- arcuate socket
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- Withdrawn - After Issue
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Abstract
The utility model discloses a linear motor for reducing cogging force. The linear motor comprises a dynamic iron core and a static iron core, wherein permanent magnets are fixedly arranged on an upper surface of the static iron core in a uniform manner, a winding is winded on the dynamic iron core, the dynamic iron core and the winding are disposed in a metal board, a rectangle metal frame is disposed above the metal board, two arc shaped holes which are symmetrical to each other at the center of the metal frame are disposed on the metal frame, and the arc shaped holes are disposed at the position, which is close to a wide edge, of the metal frame; and a fixation element is disposed on the metal board, and the metal board is in fixed connection with the metal frame through the fixation element which goes through the arc shaped holes. The angle between the dynamic iron core and the static iron core can be adjusted freely in a certain range, so as to minimize the cogging force, and further to minimize the fluctuation of the thrust. The linear motor is simple and rapid in adjustment process, and easy to operate.
Description
Technical field
The utility model relates to technical field of motors, refers in particular to a kind of linear electric motors that reduce teeth groove power.
Background technology
Traditional linear motor rotor and stator parallel track, reduce force oscillation in order to reduce teeth groove power, the normal mode that adopts the oblique utmost point of permanent magnet on mover iron core chute or stator track, these methods have increased process complexity, and the general fixed position of the mode of mover iron core chute or the oblique utmost point of permanent magnet, can not realize continuous adjustment angle and reach optimum position and make the process of teeth groove power minimum.
China Patent Publication No. CN 102931803A, open day on February 13rd, 2013, name is called in " a kind of permanent magnetic linear synchronous motor that suppresses reluctance force " and discloses a kind of permanent magnetic linear synchronous motor that suppresses reluctance force, comprise primary and secondary, the secondary linear guides that is provided with, elementary being located on linear guides, between primary and secondary, there is air gap, the elementary mover iron core and the some air core coils that are formed by some straight trough type silicon steel sheet closed assemblies of comprising, in each straight trough of straight trough type silicon steel sheet, be embedded with air core coil, one half coil of each air core coil and second half coil are inlaid in respectively in two adjacent straight troughs, two adjacent air core coils respectively have a half coil to be inlaid in same straight trough, between two adjacent air core coils and between air core coil and straight trough type silicon steel sheet, be provided with insulating barrier.The groove width D of the end straight trough of straight trough type silicon steel sheet is less than the groove width L of middle part straight trough, and the tooth depth b of end straight-tooth is less than the tooth depth m of middle part straight-tooth.This utility model can effectively suppress reluctance force, thereby reduces the force oscillation in running, improves positioning precision.But the position of the mover iron core of this utility model is still fixed position, is still unfavorable for searching out best angle and makes magnetic power-assisted be reduced to minimum.
Utility model content
The purpose of this utility model is to overcome in prior art, to reduce linear electric motors teeth groove power complex process, and mover iron core and static iron core relative position are fixed, can not adjust flexibly the shortcoming that reduces teeth groove power, the linear electric motors of the reduction teeth groove power that the simple and mover iron core of a kind of technique manufacturing process and static iron core relative position can adjust are flexibly provided.
The purpose of this utility model is to be achieved by following technical proposals:
A kind of linear electric motors that reduce teeth groove power, comprise mover iron core and stator iron core, the even stationary arrangement of upper surface of stator iron core has permanent magnet, on mover iron core, be wound with winding, mover iron core and winding are located in metallic plate, metallic plate top is provided with rectangular metal frame, and metal framework is provided with two in the centrosymmetric arcuate socket of metal framework, and arcuate socket is located at respectively metal framework near broadside place; On metallic plate, be also provided with fixture, metallic plate is fixedly connected with metal framework by the fixture through arcuate socket.Metallic plate can be at certain angular range with metallic plate central rotation, and rotational angle and the arcuate socket of fixture match.When use, rotating metallic plate is according to clockwise or be rotated counterclockwise, rotate to after certain angle, fixture and metal framework are fixed, complete fixation procedure, now, there is certain angle in mover iron core and stator iron core in metallic plate, has reached the effect close with mover iron core chute each other.
As a kind of preferred version, fixture is screw, and metallic plate upper surface is provided with screwed hole, and metal framework is by being connected through the screw of arcuate socket and the screwed hole of metallic plate.Fixed form is that bolt connects, and advantage is comparatively firm, and fixed position is comparatively accurate.
As a kind of preferred version, the arc-shaped side of arcuate socket is circular arc dentation, and described fixture is elastic component, the arc-shaped side clamping of elastic component and circular arc dentation; Metal framework is provided with the gripping mechanism for fixing mover iron core position.Fixture certainly and the arc-shaped side clamping of circular arc dentation, advantage be adjusting position more for convenience, only need operating personnel slightly firmly to stir fixture and just can make fixture move to another clamping position from a clamping position, make metallic plate fast rotational, convenient and swift.Gripping mechanism, for clamping the mover iron core moving into place, guarantees the rigidity of mover iron core.
As a kind of preferred version, the arc-shaped side indentation of arcuate socket, described fixture is elastic component, elastic component and jagged arc-shaped side clamping; Metal framework is provided with the gripping mechanism for fixing mover iron core position.Jagged arc-shaped side makes elastic component more easily stir clamping, but elastic component can only be stirred towards a direction.Gripping mechanism, for clamping the mover iron core moving into place, guarantees the rigidity of mover iron core.
As a kind of preferred version, in metallic plate, be provided with the chute that can rotate with metallic plate, the length of chute is greater than the length of mover iron core, and mover iron core is slidably connected by chute and metallic plate.Can moving linearly along chute of metallic plate, handled easily personnel adjustment position reaches optimum position, makes teeth groove power minimum.
The beneficial effects of the utility model are, angle between mover iron core and the static iron core of linear electric motors can freely be adjusted in certain scope, makes teeth groove power reach minimum, and then force oscillation is reduced to minimum, and the process simple and fast of adjusting, easy operating.The utility model is easy to realization, practical.
Accompanying drawing explanation
Fig. 1 is a kind of vertical view of the present utility model;
Fig. 2 is a kind of front view of the present utility model;
Fig. 3 is a kind of structural representation of arcuate socket of the present utility model;
Fig. 4 is the another kind of structural representation of arcuate socket of the present utility model.
Wherein: 1, mover iron core, 2, metallic plate, 3, metal framework, 4, arcuate socket, 5, permanent magnet, 6, stator iron core, 7, winding, 8, screw, 9, jagged arc-shaped side, 10, circular arc dentation arc-shaped side.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment: a kind of linear electric motors that reduce teeth groove power, its structural representation as shown in Figure 1 and Figure 2, comprise mover iron core 1 and stator iron core 6, the even stationary arrangement of upper surface of stator iron core has permanent magnet 5, on mover iron core, be wound with winding 7, mover iron core and winding are located in metallic plate 2, and metallic plate top is provided with rectangular metal frame 3, metal framework is provided with two in the centrosymmetric arcuate socket 4 of metal framework, and arcuate socket is located at respectively metal framework near broadside place; On metallic plate, be also provided with screw 8, metallic plate upper surface is provided with screwed hole, and metal framework is by being connected through the screw of arcuate socket and the screwed hole of metallic plate.In metallic plate, be provided with the chute that can rotate with metallic plate, the length of chute is greater than the length of mover iron core, and mover iron core is slidably connected by chute and metallic plate.
Metallic plate can be at certain angular range with metallic plate central rotation, and rotational angle and the arcuate socket of fixture match.When use, rotating metallic plate is according to clockwise or be rotated counterclockwise, rotate to after certain angle, fixture and metal framework are fixed, complete fixation procedure, now, there is certain angle in mover iron core and stator iron core in metallic plate, has reached the effect close with mover iron core chute each other.
Embodiment 2: a kind of linear electric motors that reduce teeth groove power, its structure and using method are substantially the same manner as Example 1, and difference is that the arc-shaped side of arcuate socket is circular arc dentation, and described fixture is elastic component, arc-shaped side 10 clampings of elastic component and circular arc dentation; Metal framework is provided with the gripping mechanism for fixing mover iron core position.
Embodiment 3: a kind of linear electric motors that reduce teeth groove power, its structure and using method are substantially the same manner as Example 1, and difference is arc-shaped side indentation, and described fixture is elastic component, elastic component and jagged arc-shaped side clamping; Metal framework is provided with the gripping mechanism for fixing mover iron core position.
Claims (5)
1. one kind is reduced the linear electric motors of teeth groove power, it is characterized in that, comprise mover iron core and stator iron core, the even stationary arrangement of upper surface of stator iron core has permanent magnet, on mover iron core, be wound with winding, mover iron core and winding are located in metallic plate, and metallic plate top is provided with rectangular metal frame, metal framework is provided with two in the centrosymmetric arcuate socket of metal framework, and arcuate socket is located at respectively metal framework near broadside place; On metallic plate, be also provided with fixture, metallic plate is fixedly connected with metal framework by the fixture through arcuate socket.
2. a kind of linear electric motors that reduce teeth groove power according to claim 1, is characterized in that, described fixture is screw, and metallic plate upper surface is provided with screwed hole, and metal framework is by being connected through the screw of arcuate socket and the screwed hole of metallic plate.
3. a kind of linear electric motors that reduce teeth groove power according to claim 1, is characterized in that, the arc-shaped side of described arcuate socket is circular arc dentation, and described fixture is elastic component, the arc-shaped side clamping of elastic component and circular arc dentation; Metal framework is provided with the gripping mechanism for fixing mover iron core position.
4. a kind of linear electric motors that reduce teeth groove power according to claim 1, is characterized in that, the arc-shaped side indentation of described arcuate socket, and described fixture is elastic component, elastic component and jagged arc-shaped side clamping; Metal framework is provided with the gripping mechanism for fixing mover iron core position.
5. according to a kind of linear electric motors that reduce teeth groove power described in claim 1 or 2 or 3 or 4, it is characterized in that, in described metallic plate, be provided with the chute that can rotate with metallic plate, the length of chute is greater than the length of mover iron core, and mover iron core is slidably connected by chute and metallic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739124.2U CN203708070U (en) | 2013-11-22 | 2013-11-22 | Linear motor for reducing cogging force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739124.2U CN203708070U (en) | 2013-11-22 | 2013-11-22 | Linear motor for reducing cogging force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708070U true CN203708070U (en) | 2014-07-09 |
Family
ID=51058448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739124.2U Withdrawn - After Issue CN203708070U (en) | 2013-11-22 | 2013-11-22 | Linear motor for reducing cogging force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780043B (en) * | 2013-11-22 | 2016-05-11 | 杭州娃哈哈科技有限公司 | A kind of linear electric motors that reduce teeth groove power |
| CN108023460A (en) * | 2018-02-02 | 2018-05-11 | 上海莫戈纳机电科技有限公司 | Linear electric machine |
-
2013
- 2013-11-22 CN CN201320739124.2U patent/CN203708070U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780043B (en) * | 2013-11-22 | 2016-05-11 | 杭州娃哈哈科技有限公司 | A kind of linear electric motors that reduce teeth groove power |
| CN108023460A (en) * | 2018-02-02 | 2018-05-11 | 上海莫戈纳机电科技有限公司 | Linear electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |