CN101626190B - Anti-rotation device of cylindrical linear motor and method thereof - Google Patents
Anti-rotation device of cylindrical linear motor and method thereof Download PDFInfo
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- CN101626190B CN101626190B CN2008100683686A CN200810068368A CN101626190B CN 101626190 B CN101626190 B CN 101626190B CN 2008100683686 A CN2008100683686 A CN 2008100683686A CN 200810068368 A CN200810068368 A CN 200810068368A CN 101626190 B CN101626190 B CN 101626190B
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Abstract
The invention discloses an anti-rotation device of a cylindrical linear motor and a method thereof. The cylindrical linear motor comprises a cylindrical motor stator and a motor rotor which makes linear movement in the motor stator, and the anti-rotation device comprises a fixed block which is matched with the motor stator and a fixed shaft which is matched with the fixed block, wherein the motor rotor is provided with a lengthwise open groove; the fixed block is provided with a first hole and a second hole which are opposite; and the fixed shaft passes from the second hole, then passes through the open groove and enters the first hole. The fixed block and the fixed shaft matched with the fixed block are increased, the motor rotor is provided with the lengthwise open groove and the fixed shaft passes through the open groove and enters the fixed block, so the relative rotation of the motor rotor and the motor stator is prevented in the circumferential direction, and the requirement of the special industries on relative rest of the cylindrical linear motor in the circumferential direction is met.
Description
[technical field]
The present invention relates to a kind of anti-rotation device and method thereof that electric mover rotates that prevent that is used on the cylindrical linear in motor stator.
[background technology]
Cylindrical linear comprises that motor stator reaches the electric mover of moving linearly in this motor stator, but because the motor stator and the electric mover of cylindrical linear all are the circular shaft shapes, they are its basic functions in the motion of rectilinear direction, but electric mover also is unfixed at the circumferencial direction of motor stator, under a lot of working conditions, electric mover can not move on the circumferencial direction of motor stator, and as rotation, but existing cylindrical linear does not have anti-rotation function.
[summary of the invention]
The technical problem that institute of the present invention desire solves is to provide a kind of cylindrical linear that prevents in circumferencial direction static relatively anti-rotation device and method thereof.
The technical solution adopted in the present invention is to provide a kind of anti-rotation device of cylindrical linear, cylindrical linear comprises: motor stator cylindraceous, and at this motor due to the electric mover of interior moving linearly, anti-rotation device comprises: a fixed block that matches with described motor stator, and the fixed axis that cooperates with this fixed block, wherein, electric mover offers the fluting of a lengthwise, described fixed block is provided with the first relative hole and second hole, after described fixed axis penetrates from second hole, pass described fluting, enter first hole again.
Another technical scheme of the present invention is to provide a kind of anti-rotation method of cylindrical linear, and this method comprises the steps:
The first step: a cylindrical linear is provided, and these linear electric motors comprise: motor stator cylindraceous, and in this motor stator the electric mover of moving linearly, electric mover offers the fluting of a lengthwise;
Second step: an anti-rotation device is provided, and this anti-rotation device comprises: a fixed block that matches with described motor stator, and the fixed axis that cooperates with this fixed block, and described fixed block is provided with the first relative hole and second hole;
The 3rd step: described fixed axis passes described fluting after penetrating from second hole of fixed block, enters first hole again.
The fixed axis of the present invention by increasing fixed block and cooperating with this fixed block, and on electric mover, offer the fluting of lengthwise, pass on the fixed block of slotting by fixed axis, thereby prevent electric mover and the relative rotation of motor stator do in a circumferential direction, satisfy special industry and require cylindrical linear in the static relatively requirement of circumferencial direction.
[description of drawings]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the partial schematic diagram of cylindrical linear;
Fig. 2 is the schematic diagram of the fixed block of anti-rotation device;
Fig. 3 is the schematic diagram of the fixed axis of anti-rotation device.
[embodiment]
As Fig. 1, partial view for this cylindrical linear, this cylindrical linear 1 comprises: motor stator 10 cylindraceous, and in this motor stator 10 electric mover cylindraceous 20 of moving linearly, electric mover 20 offers the fluting 21 of a lengthwise, on motor stator 10, be equiped with fixedly end cap 30, this fixedly end cap 30 be fixed on the motor stator 10.
Consult Fig. 2 and Fig. 3 simultaneously, an anti-rotation device 2 is fixed on this cylindrical linear 1, and it comprises: an anti-rotation fixed block 40 and the fixed axis 50 that matches with this anti-rotation fixed block 40.
Wherein, this anti-rotation fixed block 40 is the column of hollow, and this anti-rotation fixed block 40 is provided with the first relative hole 41 and second hole 42, the center in this first hole 41 and second hole 42 in a straight line, and the diameter in first hole 41 is less than the diameter in second hole 42.
As Fig. 3, wherein, fixed axis 50 can be an optical axis, also can put on ball bearing or tubing portion product on optical axis.After this fixed axis 50 penetrates from second hole 42 of anti-rotation fixed block 40, pass the fluting 21 of electric mover 20, enter first hole 41 again, thereby prevent that in a circumferential direction electric mover 20 and motor stator 10 from doing relative rotation.
Wherein, fixed axis 50 is provided with second shaft part 52 that the first not solid shaft part 51 of diameter is connected with this first shaft part 51, and wherein, the diameter of first shaft part 51 is less than the diameter in first hole 41, and the diameter of second shaft part 52 is less than the diameter in second hole 42.
As Fig. 1, wherein, this anti-rotation fixed block 40 is by being fixed on fixedly on the end cap 30, wherein, anti-rotation fixed block 20 is provided with and the fixing ending cover hole 31 corresponding fixing holes 43 of end cap 30, screw pins (figure do not show) is passed fixing hole 43 and ending cover hole 31 in regular turn, and anti-rotation fixed block 20 is fixed on fixedly on the end cap 30.
During work, at first, electric mover 20 is assemblied in the motor stator 10, more anti-rotation fixed block 40 is fixed on the fixedly end cap 30 of motor stator 10; Then, fixed axis 50 first shaft parts 51 penetrate from second hole 42 of anti-rotation fixed block 40, pass the fluting 21 of electric mover 20, second shaft part 52 of fixed axis 50 enters second hole 42 of anti-rotation fixed block 40 again, second hole 42 of blocking anti-rotation fixed block 40 with article is fixing fixed axis 50 then.
The present invention also discloses a kind of anti-rotation method of cylindrical linear, and this method comprises the steps:
The first step: a cylindrical linear 1 is provided, and these linear electric motors 1 comprise: motor stator 10 cylindraceous, and in this motor stator 10 electric mover 20 of moving linearly, electric mover 20 offers the fluting 21 of a lengthwise;
Second step: an anti-rotation device 2 is provided, and this anti-rotation device 2 comprises: a fixed block 40 that matches with described motor stator 10, and the fixed axis 50 that cooperates with this fixed block 40, and described fixed block 40 is provided with the first relative hole 41 and second hole 42;
The 3rd step: described fixed axis 50 passes described fluting 21 after penetrating from second hole 42 of fixed block, enters first hole 41 again.
The fixed axis of the present invention by increasing fixed block and cooperating with this fixed block, and on electric mover, offer the fluting of lengthwise, pass on the fixed block of slotting by fixed axis, thereby prevent electric mover and the relative rotation of motor stator do in a circumferential direction, satisfy special industry and require cylindrical linear in the static relatively requirement of circumferencial direction.
Claims (5)
1. the anti-rotation device of a cylindrical linear, cylindrical linear comprises: motor stator cylindraceous, and in this motor stator the electric mover of moving linearly, it is characterized in that: described anti-rotation device is positioned on the linear electric motors, comprise: a fixed block that matches with described motor stator, and the fixed axis that cooperates with this fixed block, wherein, electric mover offers the fluting of a lengthwise, described fixed block is provided with the first relative hole and second hole, after described fixed axis penetrates from second hole, pass described fluting, enter first hole again.
2. the anti-rotation device of cylindrical linear as claimed in claim 1, it is characterized in that: the diameter in described first hole is less than the diameter in second hole, second shaft part that described fixed axis is provided with first shaft part and is connected with this first shaft part, the diameter of described first shaft part is different with the diameter of second shaft part, wherein, the diameter of first shaft part is less than the diameter in first hole, and the diameter of second shaft part is less than the diameter in second hole.
3. the anti-rotation device of cylindrical linear as claimed in claim 1, it is characterized in that: described cylindrical linear also is provided with and is fixed on fixedly end cap of one on the motor stator, and described fixed block is fixed on this stiff end and covers.
4. the anti-rotation method of a cylindrical linear is characterized in that, this method comprises the steps:
The first step: a cylindrical linear is provided, and these linear electric motors comprise: motor stator cylindraceous, and in this motor stator the electric mover of moving linearly, electric mover offers the fluting of a lengthwise;
Second step: an anti-rotation device is provided, and this anti-rotation device comprises: a fixed block that matches with described motor stator, and the fixed axis that cooperates with this fixed block, and described fixed block is provided with the first relative hole and second hole;
The 3rd step: described fixed axis passes described fluting after penetrating from second hole of fixed block, enters first hole again.
5. the anti-rotation method of cylindrical linear as claimed in claim 4, it is characterized in that: the diameter in described first hole is less than the diameter in second hole, second shaft part that described fixed axis is provided with first shaft part and is connected with this first shaft part, the diameter of described first shaft part is different with the diameter of second shaft part, wherein, the diameter of first shaft part is less than the diameter in first hole, and the diameter of second shaft part is less than the diameter in second hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100683686A CN101626190B (en) | 2008-07-08 | 2008-07-08 | Anti-rotation device of cylindrical linear motor and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100683686A CN101626190B (en) | 2008-07-08 | 2008-07-08 | Anti-rotation device of cylindrical linear motor and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101626190A CN101626190A (en) | 2010-01-13 |
| CN101626190B true CN101626190B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100683686A Expired - Fee Related CN101626190B (en) | 2008-07-08 | 2008-07-08 | Anti-rotation device of cylindrical linear motor and method thereof |
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| Country | Link |
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| CN (1) | CN101626190B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795222A (en) * | 2012-10-31 | 2014-05-14 | 上海鸣志电器股份有限公司 | Stepping linear motor with fixation shaft being utilized |
| CN105186773A (en) * | 2015-09-25 | 2015-12-23 | 湖北三江航天万山特种车辆有限公司 | Electric threaded transmission type stopper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622609A (en) * | 1984-05-04 | 1986-11-11 | Barton R E | Read/write head positioning apparatus |
| WO2001094796A1 (en) * | 2000-06-05 | 2001-12-13 | Zaytran, Inc. | Linear actuator |
| WO2007026566A1 (en) * | 2005-08-31 | 2007-03-08 | Thk Co., Ltd. | Linear motor |
| CN201238254Y (en) * | 2008-07-08 | 2009-05-13 | 深圳市大族精密机电有限公司 | Anti-rotation device of cylinder type linear motor |
-
2008
- 2008-07-08 CN CN2008100683686A patent/CN101626190B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4622609A (en) * | 1984-05-04 | 1986-11-11 | Barton R E | Read/write head positioning apparatus |
| WO2001094796A1 (en) * | 2000-06-05 | 2001-12-13 | Zaytran, Inc. | Linear actuator |
| WO2007026566A1 (en) * | 2005-08-31 | 2007-03-08 | Thk Co., Ltd. | Linear motor |
| CN201238254Y (en) * | 2008-07-08 | 2009-05-13 | 深圳市大族精密机电有限公司 | Anti-rotation device of cylinder type linear motor |
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| Publication number | Publication date |
|---|---|
| CN101626190A (en) | 2010-01-13 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20170708 |