CN100334796C - Linear motor possessing dual winding element of mover and composite motion platform - Google Patents
Linear motor possessing dual winding element of mover and composite motion platform Download PDFInfo
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- CN100334796C CN100334796C CNB2003101076527A CN200310107652A CN100334796C CN 100334796 C CN100334796 C CN 100334796C CN B2003101076527 A CNB2003101076527 A CN B2003101076527A CN 200310107652 A CN200310107652 A CN 200310107652A CN 100334796 C CN100334796 C CN 100334796C
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- guide rail
- platform
- mover
- winding element
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Abstract
The present invention discloses a linear motor-linear motor with dual winding elements of a mover and composite motion platforms, which is composed of a main platform (6), a main guide rail (8), an auxiliary platform (7), an auxiliary guide rail (11), a stator (10), a mover (9), a forward winding element (13), a forward driver (14), a reverse winding element (15), a reverse driver (16) and clamp boards (12), wherein two parallel clamp boards perpendicular to the main guide rail are arranged on the lower surface main platform, a plurality of air holes (12-1) corresponding to the side face of the auxiliary platform are arranged on the surfaces of the inner sides of the clamp boards, high-pressure air is supplied to the air holes, the forward winding element and the reverse winding element (15) are longitudinally arranged on both ends of the mover, and the direction and the size of current in the winding elements are controlled by the drivers. The main platform is free from the action of electromagnetic force so as to be not bent and deformed, the electromagnetic vibration on the auxiliary platform can not be transmitted to the main platform, the mover has good still rigidity, and therefore, the positioning accuracy is greatly enhanced. The present invention has the advantages of novel design, low cost and easy popularization and implementation.
Description
Technical field: the present invention relates to a kind of linear electric motors, it can realize the power transmission of rectilinear direction.
Background technology: existing linear electric motors as shown in Figure 2, motion platform 1 moves along guide rail 4 under the effect in magnetic field between stator 2 and the mover 3.Because the effect of electromagnetic attraction between stator 2 and the mover 3, motion platform 1 can occur bending and deformation at the place, centre, influence the dimensional accuracy between motion platform 1 upper surface and the body 5, and the variation in magnetic field also causes and the vibration of motion platform 1 influences the use of motion platform 1 between stator 2 and the mover 3.In addition, when needs motion platform 1 is static, in the mover 3 in three phase windings electric current should be 0, at this moment except that action of gravity, there is not the effect of electromagnetic force on the mover 3, motion platform 1 antijamming capability extreme difference at this time, any point external force all may make it to be subjected to displacement along guide rail, influences the positioning accuracy of linear electric motors.Fig. 4 is the relation curve of electromagnetic force F on current i and the mover 3 in mover 3 windings, and approaching to exist an electromagnetic force at 0 o'clock at winding current i is 0 not sensing zone I, therefore when electric current in mover 3 windings when 0 rises, electromagnetic force has the time difference of individual delayed fashion.Fig. 5 is the relation curve of current i and winding voltage V in mover 3 windings, winding current of existence is 0 not sensing zone II when winding voltage V approaches 0, therefore when voltage V in mover 3 windings when 0 rises, winding current i has the time difference of individual delayed fashion.Long when restarting after the existence of two time differences makes linear electric motors static to the response time of signal.The existence of not sensing zone also makes linear electric motors in hour rigidity decline of winding current, and the motion rigidity of the motion platform of linear electric motors is used in influence.
Summary of the invention: in order to eliminate distortion that electromagnetic force causes and vibration influence to the motion platform precision, and for overcome existing linear electric motors platform poor anti jamming capability and to response time of signal the long and low defective of motion rigidity, provide a kind of antijamming capability strong and rapidly and the high linear electric motors of motion rigidity with compound motion platform to signal response.The present invention is achieved by following proposal, a kind of linear electric motors with two mover winding elements and compound motion platform, it is by main platform 6, main guide rail 8, auxiliary platform 7, secondary guide rail 11, stator 10, mover 9, forward winding element 13, forward driver 14, reverse winding element 15, reverse driven 16 and clamping plate 12 are formed, main platform 6 is arranged on the main guide rail 8 and can moves on main guide rail 8, auxiliary platform 7 and secondary guide rail 11 are housed in the inner underside of main platform 6 and main guide rail 8, auxiliary platform 7 is arranged on the secondary guide rail 11 and can moves on secondary guide rail 11, main guide rail 8 is parallel to secondary guide rail 11, mover 9 is arranged on the lower surface of auxiliary platform 7 and is corresponding with the stator 10 that is provided with thereunder, with main guide rail 8 two clamping plate parallel to each other 12 are set perpendicularly on the lower surface of main platform 6, corresponding section, side with auxiliary platform 7 on the inner surface of clamping plate 12 has pore 12-1, be connected with gases at high pressure among the pore 12-1, forward winding element 13 and reverse winding element 15 vertically are arranged on the two ends of mover 9, the sense of current and size in the forward driver 14 control forward winding elements 13, the sense of current and size in the reverse winding element 15 of reverse driven 16 controls.Because clamping plate 12 are arranged on the both sides of auxiliary platform 7, the gases at high pressure that penetrate among the pore 12-1 form the air cushion of energy transferring power between the two sides of clamping plate 12 and auxiliary platform 7, when auxiliary platform 7 moves under the effect of mover 9 and stator 10, just drive main platform 6 motions, therefore main platform 6 can not occured bending and deformation by the effect of electromagnetic force, because auxiliary platform 7 does not directly link to each other with main platform 6, electric and magnetic oscillation on the auxiliary platform 7 can not be delivered on the main platform 6, so the positioning accuracy of main platform 6 is significantly improved, the positioning accuracy of carrying workpiece is thereon significantly improved.Linear electric motors of the present invention at work, forward winding element and reverse winding element produce rightabout electromagnetic force respectively under forward driver and reverse driven control, mover 9 is worked under the acting in conjunction of two power, when even mover 9 is static the forward winding element and oppositely the electric current in the winding element be not 0 yet, the electromagnetic force of generation also exists.Because electromagnetic force does not disappear, therefore can be to interference resistance, so mover 9 has good static rigidity, positioning accuracy improves greatly.Because electric current is not 0 all the time, does not fall into not sensing zone,, has good motion rigidity so linear electric motors of the present invention response rapidly.The present invention has modern design, cost is lower and be easy to the advantage of promotion and implementation.
Description of drawings: Fig. 1 is a structural representation of the present invention, Fig. 2 is the structural representation of prior art linear electric motors, Fig. 3 is the A-A cutaway view of Fig. 1, Fig. 4 is the graph of relation of electromagnetic force F on current i and the mover 3 in mover 3 windings, and Fig. 5 is the graph of relation of current i and winding voltage V in mover 3 windings.
Embodiment one: specify present embodiment below in conjunction with Fig. 1 and Fig. 3.It is by main platform 6, main guide rail 8, auxiliary platform 7, secondary guide rail 11, stator 10, mover 9, forward winding element 13, forward driver 14, reverse winding element 15, reverse driven 16 and clamping plate 12 are formed, main platform 6 is arranged on the main guide rail 8 and can moves on main guide rail 8, auxiliary platform 7 and secondary guide rail 11 are housed in the inner underside of main platform 6 and main guide rail 8, auxiliary platform 7 is arranged on the secondary guide rail 11 and can moves on secondary guide rail 11, main guide rail 8 is parallel to secondary guide rail 11, mover 9 is arranged on the lower surface of auxiliary platform 7 and is corresponding with the stator 10 that is provided with thereunder, with main guide rail 8 two clamping plate parallel to each other 12 are set perpendicularly on the lower surface of main platform 6, corresponding section, side with auxiliary platform 7 on the inner surface of clamping plate 12 has several pores 12-1, is connected with gases at high pressure among the pore 12-1.Forward winding element 13 and reverse winding element 15 vertically are arranged on the two ends of mover 9, the sense of current and size in the forward driver 14 control forward winding elements 13, the sense of current and size in the reverse winding element 15 of reverse driven 16 controls.
Claims (1)
1, a kind of linear electric motors with two mover winding elements and compound motion platform, it is characterized in that it is by main platform (6), main guide rail (8), auxiliary platform (7), secondary guide rail (11), stator (10), mover (9), forward winding element (13), forward driver (14), reverse winding element (15), reverse driven (16) and clamping plate (12) are formed, main platform (6) is arranged on main guide rail (8) and goes up also and can go up motion at main guide rail (8), auxiliary platform (7) and secondary guide rail (11) are housed in the inner underside of main platform (6) and main guide rail (8), auxiliary platform (7) is arranged on secondary guide rail (11) and goes up also and can go up motion at secondary guide rail (11), main guide rail (8) is parallel to secondary guide rail (11), mover (9) is arranged on the lower surface of auxiliary platform (7) and is corresponding with the stator (10) that is provided with thereunder, with main guide rail (8) two clamping plate parallel to each other (12) are set perpendicularly on the lower surface of main platform (6), corresponding section, side with auxiliary platform (7) on the inner surface of clamping plate (12) has pore (12-1), be connected with gases at high pressure in the pore (12-1), forward winding element (13) and reverse winding element (15) vertically are arranged on the two ends of mover (9), the sense of current and size in forward driver (14) the control forward winding element (13), reverse driven (16) is controlled the sense of current and the size in the reverse winding element (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101076527A CN100334796C (en) | 2003-10-31 | 2003-10-31 | Linear motor possessing dual winding element of mover and composite motion platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101076527A CN100334796C (en) | 2003-10-31 | 2003-10-31 | Linear motor possessing dual winding element of mover and composite motion platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1540846A CN1540846A (en) | 2004-10-27 |
| CN100334796C true CN100334796C (en) | 2007-08-29 |
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ID=34334412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101076527A Expired - Fee Related CN100334796C (en) | 2003-10-31 | 2003-10-31 | Linear motor possessing dual winding element of mover and composite motion platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100334796C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300846A (en) * | 1992-10-08 | 1994-04-05 | Otis Elevator Company | Lamination support for a linear motor |
| CN1189714A (en) * | 1996-11-19 | 1998-08-05 | Lg产电株式会社 | Linear motor |
| CN1327627A (en) * | 1999-10-28 | 2001-12-19 | 沙迪克株式会社 | Linear motor coil assembly and method for manufacturing the same |
-
2003
- 2003-10-31 CN CNB2003101076527A patent/CN100334796C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300846A (en) * | 1992-10-08 | 1994-04-05 | Otis Elevator Company | Lamination support for a linear motor |
| CN1189714A (en) * | 1996-11-19 | 1998-08-05 | Lg产电株式会社 | Linear motor |
| CN1327627A (en) * | 1999-10-28 | 2001-12-19 | 沙迪克株式会社 | Linear motor coil assembly and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1540846A (en) | 2004-10-27 |
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Owner name: ZHEJIANG JUNENG HOLDINGS LIMITED Free format text: FORMER OWNER: HARBIN INSTITUTE OF TECHNOLOGY Effective date: 20080912 Owner name: ZHEJIANG GUANXI ELECTRIC CO., LTD. Free format text: FORMER OWNER: ZHEJIANG JUNENG HOLDINGS LIMITED Effective date: 20080912 |
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Effective date of registration: 20080912 Address after: 4D 63, nine Ring Road, Jianggan District, Zhejiang, Hangzhou: 310019 Patentee after: ZHEJIANG GUANXI ELECTRIC & MOTOR Co.,Ltd. Address before: Hangzhou City, Zhejiang Province, Binjiang District Jiangnan Road No. 3888 Sunyard building seven floor, zip code: 310053 Patentee before: Zhejiang Energy Holdings Ltd. Effective date of registration: 20080912 Address after: Hangzhou City, Zhejiang Province, Binjiang District Jiangnan Road No. 3888 Sunyard building seven floor, zip code: 310053 Patentee after: Zhejiang Energy Holdings Ltd. Address before: No 92, West Da Jie street, Nangang District, Heilongjiang, Harbin: 150001 Patentee before: Harbin Institute of Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070829 Termination date: 20161031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |