CN203800781U - Synchronously-driven positioning platform - Google Patents
Synchronously-driven positioning platform Download PDFInfo
- Publication number
- CN203800781U CN203800781U CN201420152482.8U CN201420152482U CN203800781U CN 203800781 U CN203800781 U CN 203800781U CN 201420152482 U CN201420152482 U CN 201420152482U CN 203800781 U CN203800781 U CN 203800781U
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- CN
- China
- Prior art keywords
- platform
- coil
- locating platform
- phase winding
- positioning platform
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Abstract
The utility model discloses a synchronously-driven positioning platform. The synchronously-driven positioning platform comprises a base, a movement platform and a driving motor; the driving motor is a moving-coil type motor or a moving-magnet type motor; motor rotors and motor stators are distributed symmetrically along the center of the movement platform; coils comprise a left coil and a right coil which are arranged symmetrically; and each coil set comprises an A-phase winding, a B-phase winding and a C-phase winding; and the A1-phase winding, the B1-phase winding and the C1-phase winding of the left coil are correspondingly connected in parallel with the A2-phase winding, the B2-phase winding and the C2-phase winding of the right coil, and two parallel branches are provided, and as a result, the winding of one driving motor can be formed and is electrically connected with the same driver. With the synchronously-driven positioning platform of the utility model adopted, the problem of asynchronization of a positioning platform in the prior art can be effectively solved. According to the synchronously-driven positioning platform, the synchronous operation of the positioning platform can be realized through the driving of one driving motor, and therefore, phenomena such as torsion errors and deadlock of the positioning platform can be avoided, and the positioning precision of the positioning platform can be effectively improved, and production cost and use cost can be reduced.
Description
Technical field
The utility model belongs to the manufacturing technology field of high-precision fixed bit platform, is specifically related to a kind of synchronous locating platform that drives.
Background technology
High-precision fixed bit platform with it possess that multiplex (MUX) design, volume are little, lightweight, high accuracy and high rigidity and assemble the key areas that production, nanometer science and technology etc. that the advantage such as easy to maintenance is widely used in the manufacture of ultraprecise processing, bioengineering, microelectronic engineering, MEMS (micro electro mechanical system) and detection, large scale integrated circuit involve the interests of the state and the people.
Along with scientific and technical development, requirement to platform positioning precision is also more and more higher, there is the nonsynchronous problem of motion in the locating platform of bilateral driving, because the amount of movement of both sides locating platform exists deviation, often there is the tandem inclination situation of platform left and right sides, when work, easily produce and rock error, affect the positioning precision of platform, thereby affect the machining accuracy of product.
And, if when working platform to rock error larger, frictional force can cause locating platform to move time increases, when serious, may there is stuck phenomenon, drive motors can burn damage because overload operation causes, have a strong impact on the useful life of drive motors, production and application cost is increased.
At present, the asynchronous problem that most researchers put forth effort solution locating platform from controlling is mainly to adopt the method for unified driving device Synchronization Control to drive bilateral drive motors to move, to improve positioning precision simultaneously, but bilateral drive motors still there are differences, and asynchrony phenomenon still exists.
In view of above problem, be necessary to propose a kind of high-precision synchronous driving locating platform, effectively solve locating platform in prior art and move nonsynchronous problem, realize the synchronous operation of locating platform, avoid occurring locating platform torsional error, the phenomenon such as stuck, improve the positioning precision of locating platform, reduce and produce and use cost.
Utility model content
In view of this, the utility model provides a kind of synchronous driving locating platform, by three phase winding correspondences of the two groups of coils in the left and right on locating platform are in parallel, form the winding of a drive motors, and by same driver control, efficiently solve locating platform in prior art and move nonsynchronous problem, avoid occurring the torsional error of locating platform, the phenomenon such as stuck, the positioning precision that effectively improves locating platform, reduces and produces and use cost.
The one proposing according to the purpose of this utility model synchronously drives locating platform, comprise base, motion platform and drive motors, described drive motors comprises the electric mover being arranged on described motion platform lower surface, be arranged at described base upper surface on described electric mover corresponding motor stator;
Described electric mover is coil or permanent magnet, described motor stator is permanent magnet or the coil corresponding with described electric mover, described electric mover and motor stator all arrange along the Central Symmetry of motion platform, and described coil is two groups of the left and right that are arranged symmetrically with, three phase winding A of left side coil
1, B
1, C
1the three phase winding A with the right coil
2, B
2, C
2correspondence is in parallel, and parallel branch number is 2, forms the winding of a drive motors, and is electrically connected on same driver;
Described base and the corresponding guide rail that is provided with mutual coupling on described motion platform.
Preferably, be provided with the testing agency for detection of described guide rail pressure at both sides or frictional force on described guide rail, described testing agency is connected with described actuator electrical.
Preferably, described testing agency is pressure sensor or friction force sensor.
Preferably, described synchronous driving locating platform also comprises alarm element, and described alarm element is connected with described actuator electrical, once the stressed set point that exceedes in guide rail both sides, driver output signal is reported to the police to alarm element.
Preferably, described synchronous driving locating platform also comprises emergency stop switch, and described emergency stop switch is connected with described actuator electrical, once the stressed set point that exceedes in guide rail both sides, driver control locating platform stops in time.
Compared with prior art, the advantage of the disclosed synchronous driving locating platform of the utility model is:
1,, by three phase winding correspondences of the two groups of coils in the left and right on locating platform are in parallel, form the winding of a drive motors, and by same driver control, efficiently solve locating platform in prior art and move nonsynchronous problem.Realize the synchronous operation of locating platform by the driving of a drive motors, avoid occurring the torsional error of locating platform, the phenomenon such as stuck, effectively improve the positioning precision of locating platform, reduce and produce and use cost.
2, by testing agency is set on guide rail, once the stressed set point that exceedes in guide rail both sides, driver output signal is reported to the police to alarm element, and operating personnel can shut down timely adjustment, avoid occurring the problems such as motor overload damage, improves the useful life of drive motors.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of synchronous driving locating platform embodiment 1 of the utility model.
Fig. 2 is the structural representation of the disclosed a kind of synchronous driving locating platform embodiment 2 of the utility model.
Fig. 3 is the coil arrangement sketch that synchronously drives locating platform.
Fig. 4 is the bilateral arrangement figure of unit motor coil.
The title of the numeral in figure or the corresponding component of alphabetical representative:
1, base 2, motion platform 3, motor stator 4, electric mover 5, guide rail
Embodiment
At present, there is the nonsynchronous problem of motion in the locating platform of bilateral driving, when work, easily produces and rock error, affects the positioning precision of platform, thereby affect processing precision of products.
The utility model is for deficiency of the prior art, a kind of synchronous driving locating platform is provided, by three phase winding correspondences of the two groups of coils in the left and right on locating platform are in parallel, form the winding of a drive motors, and by same driver control, efficiently solve locating platform in prior art and move nonsynchronous problem, avoid occurring the torsional error of locating platform, the phenomenon such as stuck, the positioning precision that effectively improves locating platform, reduces and produces and use cost.
The one proposing according to the purpose of this utility model synchronously drives locating platform, comprise base, motion platform and drive motors, described drive motors comprises the electric mover being arranged on described motion platform lower surface, be arranged at described base upper surface on described electric mover corresponding motor stator;
Described electric mover is coil or permanent magnet, described motor stator is permanent magnet or the coil corresponding with described electric mover, described electric mover and motor stator all arrange along the Central Symmetry of motion platform, and described coil is two groups of the left and right that are arranged symmetrically with, three phase winding A of left side coil
1, B
1, C
1the three phase winding A with the right coil
2, B
2, C
2correspondence is in parallel, and parallel branch number is 2, forms the winding of a drive motors, and is electrically connected on same driver;
Described base and the corresponding guide rail that is provided with mutual coupling on described motion platform.
Preferably, be provided with the testing agency for detection of described guide rail pressure at both sides or frictional force on described guide rail, described testing agency is connected with described actuator electrical.
Preferably, described testing agency is pressure sensor or friction force sensor.
Preferably, described synchronous driving locating platform also comprises alarm element, and described alarm element is connected with described actuator electrical, once the stressed set point that exceedes in guide rail both sides, driver output signal is reported to the police to alarm element.
Preferably, described synchronous driving locating platform also comprises emergency stop switch, and described emergency stop switch is connected with described actuator electrical, once the stressed set point that exceedes in guide rail both sides, driver control locating platform stops in time.
To be clearly and completely described the technical solution of the utility model by embodiment below.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, a kind of synchronous locating platform that drives, comprise base 1, motion platform 2 and drive motors, drive motors comprises the electric mover 4 being arranged on motion platform 2 lower surfaces, and is arranged at motor stator 3 corresponding with electric mover 4 on base 1 upper surface.
Wherein, electric mover is coil or permanent magnet, and motor stator is permanent magnet or the coil corresponding with electric mover.Drive motors can be moving-coil type or moving-magnetic type, moving-magnetic type (as Fig. 1), and electric mover is permanent magnet, motor stator is coil, moving-coil type (as Fig. 2), electric mover is coil, motor stator is permanent magnet.
Coil in the utility model and permanent magnet are all arranged along motion platform Central Symmetry, realize the bilateral driving of locating platform, and coil is two groups of the left and right that are arranged symmetrically with, and two groups of left and right coil comprises respectively A, B, C tri-phase windings, three phase winding A of left side coil
1, B
1, C
1the three phase winding A with the right coil
2, B
2, C
2correspondence is in parallel, and forms the winding of a drive motors, and is electrically connected on same driver.
Refer to Fig. 3, as can be seen from Figure 3 winding A
1with A
2, B
1with B
2, C
1with C
2after parallel connection, be connected on driver by wire respectively, driver is controlled the left side loop A of locating platform simultaneously
1, B
1, C
1with the right loop A
2, B
2, C
2on controlling, can there is not time order error, physical structure, left side bearing circle and the right coil are in parallel has in fact formed an overall winding, while making so bilateral driving locating platform operation, can there is not nonsynchronous problem that drives, avoid occurring the torsional error of locating platform, the phenomenon such as stuck, the positioning precision that effectively improves locating platform, reduces and produces and use cost.
Refer to Fig. 4, describe taking 5 pairs of utmost points, 12 groove motors as row:
The locating platform left side is 10 utmost point 12 groove motors, and the right is similarly 10 utmost point 12 groove motors, adopts same driver to control, and whole motor is 20 utmost point 24 groove motors, and left side motor is controlled in driver transmission instruction simultaneously and the right motor ensures to drive synchronous.
Base 1 and the corresponding guide rail 5 that is provided with mutual coupling on motion platform 2.Guide rail 5 is linear rolling track structure.Realize guide rail effectively spacing on the moving direction of X-axis and Z axis, improve the stability of locating platform.Its middle guide also can adopt air supporting or Magnetically suspended guide rail etc., and specific constructive form does not limit.
In the utility model, be also provided with the testing agency's (not shown) for detection of guide rail pressure at both sides or frictional force on guide rail 5, testing agency is connected with actuator electrical.Wherein detection architecture can be arranged on the both sides of guide rail.
Testing agency is pressure sensor or friction force sensor.Detect pressure or the frictional force of guide rail both sides by testing agency, and feed back to timely driver and process, prevent guide rail pressure at both sides and change the problem brought greatly.
In the utility model, the synchronous locating platform that drives also comprises alarm element (not shown), and alarm element is connected with actuator electrical, and driver can be realized setup pressure value etc., once testing agency detects the stressed set point that exceedes in guide rail both sides, driver output signal is reported to the police to alarm element.
In the utility model, synchronously drive locating platform also to comprise emergency stop switch (not shown), emergency stop switch is connected with actuator electrical, once testing agency detects the stressed set point that exceedes in guide rail both sides, driver control drives platform to stop in time.
The utility model discloses a kind of synchronous locating platform that drives, comprise base, motion platform and drive motors, drive motors can be moving-coil type or moving-magnetic type, electric mover and motor stator are arranged along motion platform Central Symmetry, coil is two groups of the left and right that are arranged symmetrically with, comprise respectively A, B, C tri-phase windings, three phase winding A of left side coil
1, B
1, C
1the three phase winding A with the right coil
2, B
2, C
2correspondence is in parallel, and parallel branch number is 2, forms the winding of a drive motors, and is electrically connected on same driver, efficiently solves locating platform in prior art and moves nonsynchronous problem.Realize the synchronous operation of locating platform by the driving of a drive motors, avoid occurring the torsional error of locating platform, the phenomenon such as stuck, effectively improve the positioning precision of locating platform, reduce and produce and use cost.
By testing agency is set on guide rail, once the stressed set point that exceedes in guide rail both sides, driver output signal is reported to the police to alarm element, and operating personnel can shut down timely adjustment, avoid occurring the problems such as motor overload damage, improves the useful life of drive motors.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the synchronous locating platform that drives, it is characterized in that, comprise base, motion platform and drive motors, described drive motors comprises the electric mover being arranged on described motion platform lower surface, be arranged at described base upper surface on described electric mover corresponding motor stator;
Described electric mover is coil or permanent magnet, described motor stator is permanent magnet or the coil corresponding with described electric mover, described electric mover and motor stator all arrange along the Central Symmetry of motion platform, and described coil is two groups of the left and right that are arranged symmetrically with, three phase winding A of left side coil
1, B
1, C
1the three phase winding A with the right coil
2, B
2, C
2correspondence is in parallel, and parallel branch number is 2, forms the winding of a drive motors, and is electrically connected on same driver;
Described base and the corresponding guide rail that is provided with mutual coupling on described motion platform.
2. synchronous driving locating platform as claimed in claim 1, is characterized in that, is provided with the testing agency for detection of described guide rail pressure at both sides or frictional force on described guide rail, and described testing agency is connected with described actuator electrical.
3. synchronous driving locating platform as claimed in claim 2, is characterized in that, described testing agency is pressure sensor or friction force sensor.
4. synchronous driving locating platform as claimed in claim 1, is characterized in that, described synchronous driving locating platform also comprises alarm element, and described alarm element is connected with described actuator electrical.
5. synchronous driving locating platform as claimed in claim 1, is characterized in that, described synchronous driving locating platform also comprises emergency stop switch, and described emergency stop switch is connected with described actuator electrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152482.8U CN203800781U (en) | 2014-03-31 | 2014-03-31 | Synchronously-driven positioning platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420152482.8U CN203800781U (en) | 2014-03-31 | 2014-03-31 | Synchronously-driven positioning platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800781U true CN203800781U (en) | 2014-08-27 |
Family
ID=51382968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420152482.8U Expired - Fee Related CN203800781U (en) | 2014-03-31 | 2014-03-31 | Synchronously-driven positioning platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840622A (en) * | 2014-03-31 | 2014-06-04 | 苏州大学 | Synchronous-driven positioning platform |
| CN108512367A (en) * | 2017-02-28 | 2018-09-07 | 王廷森 | The encapsulating method and safeguard measure of trandfer fluid and the motor to work in a fluid |
-
2014
- 2014-03-31 CN CN201420152482.8U patent/CN203800781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840622A (en) * | 2014-03-31 | 2014-06-04 | 苏州大学 | Synchronous-driven positioning platform |
| CN108512367A (en) * | 2017-02-28 | 2018-09-07 | 王廷森 | The encapsulating method and safeguard measure of trandfer fluid and the motor to work in a fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20170331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |