CN204229843U - A kind of high precision plane positioning system - Google Patents
A kind of high precision plane positioning system Download PDFInfo
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- CN204229843U CN204229843U CN201420635610.4U CN201420635610U CN204229843U CN 204229843 U CN204229843 U CN 204229843U CN 201420635610 U CN201420635610 U CN 201420635610U CN 204229843 U CN204229843 U CN 204229843U
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Abstract
The utility model proposes a kind of high precision plane positioning system, comprise base, two X-axis linear electric motors modules, Y-axis linear electric motors module and load plate seat, two X-axis linear electric motors module symmetry are arranged on base, Y-axis linear electric motors module wears load plate seat, and first end and second end of Y-axis linear electric motors module are connected two X-axis linear electric motors modules respectively; The first end of Y-axis linear electric motors module connects a wherein X-axis linear electric motors module by ball-and-socket joint; Second end of Y-axis linear electric motors module connects another X-axis linear electric motors module by axle joint.Y-axis linear electric motors module adopts bi-motor and slide rail installing plate unitary design, and make distortion well-balanced, improve the flatness of load plate seat, anti-anti-slip track installing plate occurs stuck phenomenon because of assymmetrical deformation.Effectively prevent Y-axis linear electric motors module along in X-direction moving process, cause Y-axis linear electric motors module stuck phenomenon because of the power inconsistency of electric mover output.
Description
Technical field
The utility model relates to mechanical field, particularly relates to a kind of high precision plane positioning system.
Background technology
Chinese patent (CN103272739A) discloses the 3 D locating device that a kind of view-based access control model guides, and comprises X-axis kinematic system; Y-axis kinematic system, X-axis kinematic system movable supporting is in Y-axis kinematic system, and Y-axis kinematic system drives X-axis kinematic system along the axially-movable of Y-axis kinematic system.Wherein, X-axis kinematic system comprises X-axis screw body and for driving the X-axis stepper motor of X-axis screw body; Y-axis kinematic system comprises Y-axis screw body and for driving the y-axis stepper motor of Y-axis screw body.This 3 D locating device have employed plane center position information (i.e. the position of XY plane), improves the locating effect of system, can operationally occur to shake and the problem of position location overall offset by anti-locking system.
In addition, existing two-dimensional positioning system also has following structure, comprises two Y-axis, and is arranged on the X-axis in two Y-axis, and Y-axis by belt or screw rod transmission, and is run by driven by servomotor; X-axis by screw rod transmission, and is run by driven by servomotor, and X-axis is along the axially-movable of two Y-axis.
But there is following defect in the prior art:
The first, by increasing the length of X-axis, met the requirement that X-axis stroke is longer, now, X-axis is vulnerable to gravity effect own and flexural deformation, affects final positioning precision.If minimizing flexural deformation, and increase the intensity of X-axis, the weight of X-axis is increased, affect and reduce X-axis along the efficiency of Y-axis axially-movable and sensitivity;
The second, the two ends of X-axis are directly fixed in the Y-axis of both sides, when high-speed cruising, are vulnerable to both sides y-axis motor and go out force compensating inconsistency and cause X-axis to be blocked;
3rd, fed back as the position of X-axis along Y-axis axially-movable by grating scale and encoder head, now, grating scale is all to be attached on the limit of electric mover (scrambler corresponding be the position feedback of electric mover), there is certain toughness in X-axis itself, this can cause the position of encoder feedback and physical location to there is deviation.
Utility model content
In order to solve the problem, the utility model provides a kind of high precision plane positioning system.
The technical solution adopted in the utility model is as follows:
A kind of high precision plane positioning system, comprise base, two X-axis linear electric motors modules, Y-axis linear electric motors module and load plate seat, described in two, X-axis linear electric motors module symmetry is arranged on described base, described Y-axis linear electric motors module wears described load plate seat, and first end and second end of described Y-axis linear electric motors module are connected X-axis linear electric motors module described in two respectively;
The first end of described Y-axis linear electric motors module connects wherein X-axis linear electric motors module described in by ball-and-socket joint; Second end of described Y-axis linear electric motors module connects X-axis linear electric motors module described in another by axle joint.
Preferably, described Y-axis linear electric motors module comprises slide rail installing plate, the first slide rail, magnet, the first electric mover and the second electric mover, described slide rail installing plate is connected with described load plate seat by described first slide rail, described first electric mover and described second electric mover are arranged in described load plate seat, and described first electric mover and described second electric mover are established respectively by described magnet card in the both sides of described slide rail installing plate.
Preferably, described X-axis linear electric motors module comprises the second slide rail, track, electric mover, support and track support, described track support and described second slide rail are arranged on described base, described track is arranged on described track support, described electric mover is fastened in described track, and connect described Y-axis linear electric motors module by described support, described second slide rail is provided with slider bracket.
Preferably, described slide rail installing plate is provided with the first grating scale, described load plate seat is provided with the first encoder head coordinated with described first grating scale.
Preferably, first end and the second bottom portion of described Y-axis linear electric motors module are respectively arranged with the second encoder head, described base are provided with the second grating scale coordinated with described second encoder head.
Preferably, flexible joint is provided with between described first slide rail and described load plate seat.
Preferably, described first slide rail is two.
Preferably, described base is marble countertop.
The utility model compared with the existing technology, has the following advantages and beneficial effect:
The utility model high precision plane positioning system, Y-axis linear electric motors module adopts bi-motor (comprising the first electric mover and the second electric mover) and slide rail installing plate unitary design, make distortion well-balanced, improving the flatness of load plate seat, there is stuck phenomenon because of assymmetrical deformation in anti-anti-slip track installing plate; The first end of Y-axis linear electric motors module connects X-axis linear electric motors module by ball-and-socket joint, second end of Y-axis linear electric motors module connects X-axis linear electric motors module by axle joint, effectively prevent slide rail installing plate along in the second slide rail direction moving process, cause slide rail installing plate stuck phenomenon because of the power inconsistency of electric mover output; Feedback slide rail installing plate is mounted on base along the second grating scale of the position skew on the second slide rail direction, second encoder head is mounted in bottom slide rail installing plate, therefore, second encoder head directly reads slide rail installing plate along the deviation post on the second slide rail direction, avoids the error because slide rail installing plate first end and the second end bring because of elasticity with X-axis linear electric motors model calling place respectively.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of a kind of high precision plane positioning system described in the utility model;
Fig. 2 is the upward view of a kind of high precision plane positioning system shown in Fig. 1;
Fig. 3 is the stereographic map of a kind of high precision plane positioning system shown in Fig. 1;
Fig. 4 is the close-up schematic view of A in Fig. 2;
Fig. 5 analyses and observe structure for amplifying schematic diagram along B-B line in Fig. 1.
In figure: 1 is load plate seat, 2 is Y-axis linear electric motors modules, 3 is slide rail installing plate, 4 is the first slide rail, 5 is X-axis linear electric motors modules, 6 is base, 7 is the first grating scale, 8 is support, 9 is track, 10 is track support, 11 is the second slide rail, 12 is axle joint, 13 is the second grating scale, 14 is electric mover, 15 is ball-and-socket joint, 16 is the second encoder head, 17 is slider bracket, 18 is the first slide rail, 19 is magnet, 20 is the second electric mover, 21 is ball-and-socket joint.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See shown in Fig. 1 to Fig. 5, a kind of high precision plane positioning system, comprises base 6, two X-axis linear electric motors module 5, Y-axis linear electric motors module 2 and load plate seat 1; Two X-axis linear electric motors modules 5 are symmetricly set on base 6, and Y-axis linear electric motors module 2 wears load plate seat 1, and first end and second end of Y-axis linear electric motors module 5 are connected two X-axis linear electric motors modules 5 respectively.
The present invention's first gordian technique is, Y-axis linear electric motors module 5 comprises slide rail installing plate 3, first slide rail 4, magnet 19, first electric mover 18 and the second electric mover 20, slide rail installing plate 3 is connected with load plate seat 1 by the first slide rail 4, first electric mover 18 and the second electric mover 20 are arranged in load plate seat 1, and the first electric mover 18 and the second electric mover 20 is established respectively by magnet 19 card in the both sides of slide rail installing plate 3.
Preferably, slide rail installing plate 3 is connected with load plate seat 1 by two first slide rails 4.
Load plate seat 1 is made to slide more stable along the first slide rail 4 direction, now, the first electric mover 18 and the second electric mover 20 is established respectively by magnet 19 card in the both sides of slide rail installing plate 3, what slide rail installing plate 3 was subject to gravity and caused bends also is symmetrical, further, it is also symmetrical for being out of shape because of magnet 19 suction.
The xsect of slide rail installing plate 3 is drum, and the first electric mover 18 and the second electric mover 20 is established respectively by magnet card in the both sides of slide rail installing plate 3, and magnet 19 is arranged on slide rail installing plate 3.
Wherein, base 6 is marble countertop, marble countertop surface flatness is high, preferably, load plate seat 1 and marble countertop relative sliding, bottom and the marble countertop force of sliding friction of load plate seat 1 are less, and anti-anti-slip track installing plate 3 radially bends distortion because length is longer, affects sliding between load plate seat 1 and slide rail installing plate 3.
Second gordian technique is, X-axis linear electric motors module 5 comprises the second slide rail 11, track 9, electric mover 14, support 8 and track support 10, track support 10 and the second slide rail 11 are arranged on base 6, track 9 is arranged on track support 10, electric mover 14 is fastened in track 9, and connected on Y-axis linear electric motors module 2, second slide rail 11 by support 8 and be provided with slider bracket 17, slider bracket 17 connects described Y-axis linear electric motors module 2.
Second slide rail 11 is positioned at the below of track 9, is arranged on first end or second end of the slider bracket 17 connecting sliding rail installing plate 3 on the second slide rail 11.
The first end of slide rail installing plate 3 is connected with base 6 respectively by the second slide rail 11 with the second end, slide rail installing plate 3 is slided along the second slide rail 11 direction, again by first end and second end of electric mover 14 difference connecting sliding rail installing plate 3, this electric mover 14 is fastened in track 9, and effective anti-anti-slip track installing plate 3 is axial bending distortion because length is longer.
Wherein, the first slide rail 4 is vertical with the second slide rail 11 to be arranged, and load plate seat 1 can be driven to move along in plane X Y direction.
3rd gordian technique is, the first end of Y-axis linear electric motors module 2 connects a wherein X-axis linear electric motors module 5 by ball-and-socket joint 15; Second end of Y-axis linear electric motors module 2 connects another X-axis linear electric motors module 5 by axle joint 12.
Further, the first end of slide rail installing plate 3 connects a wherein X-axis linear electric motors module 5 by ball-and-socket joint 15; Second end of slide rail installing plate 3 connects another X-axis linear electric motors module 5 by axle joint 12.
This ball-and-socket joint 15 limits Y-axis linear electric motors module 2 along the movement on XYZ direction of principal axis, does not limit upset; This axle joint 12 limits Y-axis linear electric motors module 2 along the movement on YZ direction of principal axis, do not limit along the movement in X-direction and upset, cause Y-axis linear electric motors mould 2 to slide along the second slide rail 11 direction when effectively preventing electric mover 14 to be synchronized with the movement and occur stuck phenomenon.
Technical scheme is further, slide rail installing plate 3 is provided with the first grating scale 7, load plate seat 1 is provided with the first encoder head 21 coordinated with the first grating scale 7.
Further, first end and the second bottom portion of Y-axis linear electric motors module 5 are respectively arranged with the second encoder head 16, base 6 are provided with the second grating scale 13 coordinated with the second encoder head 16.
First encoder head 21 feeds back the position that load plate seat 1 slides along the first slide rail 4 direction, second encoder head 16 feeds back the position that Y-axis linear electric motors module 2 slides along the second slide rail 11 direction, effectively prevent the error that the elasticity because of junction, Y-axis linear electric motors module 2 two ends is brought.
Further, flexible joint (not shown) is provided with between the first slide rail 4 and load plate seat 1.
By arranging flexible joint, load plate seat 1 can not be subject to the interference because of gravity and magnet (this magnet is for being arranged on the magnet on track 9) suction and in the flatness that flexural deformation brings of the first electric mover 18 and the second electric mover 20, load plate seat 1 all the time with base 6 keeping parallelism.
During work, workpiece first can be arranged on load plate seat 1, drive load plate seat 1 to move up (moving along plane X direction of principal axis) along the first slide rail 4 side by the first electric mover 18 and the second electric mover 20, and make position feedback by the first encoder head 21 and the first grating scale 7; Drive load plate seat 1 to move up (moving along plane Y direction) along the second slide rail 11 side by electric mover 14, and make position feedback by the second encoder head 16 and the second grating scale 13.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a high precision plane positioning system, comprise base (6), two X-axis linear electric motors modules (5), Y-axis linear electric motors module (2) and load plate seat (1), X-axis linear electric motors module (5) described in two is symmetricly set on described base (6), described Y-axis linear electric motors module (2) wears described load plate seat (1), and first end and second end of described Y-axis linear electric motors module (5) are connected X-axis linear electric motors module (5) described in two respectively; It is characterized in that, the first end of described Y-axis linear electric motors module (2) connects wherein X-axis linear electric motors module (5) described in by ball-and-socket joint (15); Second end of described Y-axis linear electric motors module (2) connects X-axis linear electric motors module (5) described in another by axle joint (12).
2. high precision plane positioning system according to claim 1, it is characterized in that, described Y-axis linear electric motors module (5) comprises slide rail installing plate (3), first slide rail (4), magnet (19), first electric mover (18) and the second electric mover (20), described slide rail installing plate (3) is connected with described load plate seat (1) by described first slide rail (4), described first electric mover (18) and described second electric mover (20) are arranged in described load plate seat (1), described first electric mover (18) and described second electric mover (20) are established respectively by described magnet (19) card in the both sides of described slide rail installing plate (3).
3. high precision plane positioning system according to claim 2, is characterized in that, described first slide rail (4) is two.
4. high precision plane positioning system according to claim 2, it is characterized in that, described slide rail installing plate (3) is provided with the first grating scale (7), described load plate seat (1) is provided with the first encoder head (21) coordinated with described first grating scale (7).
5. high precision plane positioning system according to claim 2, is characterized in that, is provided with flexible joint between described first slide rail (4) and described load plate seat (1).
6. high precision plane positioning system according to claim 1, it is characterized in that, described X-axis linear electric motors module (5) comprises the second slide rail (11), track (9), electric mover (14), support (8) and track support (10), described track support (10) and described second slide rail (11) are arranged on described base (6), described track (9) is arranged on described track support (10), described electric mover (14) is fastened in described track (9), and connect described Y-axis linear electric motors module (2) by described support (8), described second slide rail (11) is provided with slider bracket (17).
7. high precision plane positioning system according to claim 1, it is characterized in that, first end and the second bottom portion of described Y-axis linear electric motors module (2) are respectively arranged with the second encoder head (16), described base (6) are provided with the second grating scale (13) coordinated with described second encoder head (16).
8. high precision plane positioning system according to claim 1, is characterized in that, described base (6) is marble countertop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635610.4U CN204229843U (en) | 2014-10-29 | 2014-10-29 | A kind of high precision plane positioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635610.4U CN204229843U (en) | 2014-10-29 | 2014-10-29 | A kind of high precision plane positioning system |
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| CN204229843U true CN204229843U (en) | 2015-03-25 |
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| CN201420635610.4U Active CN204229843U (en) | 2014-10-29 | 2014-10-29 | A kind of high precision plane positioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448798A (en) * | 2015-12-16 | 2016-03-30 | 中国电子科技集团公司第二研究所 | Double-drive type XY moving platform |
| WO2016065559A1 (en) * | 2014-10-29 | 2016-05-06 | 雅科贝思精密机电(上海)有限公司 | High-precision planar positioning system |
| CN105919613A (en) * | 2016-05-13 | 2016-09-07 | 姜金杰 | Radiology department digital X-ray photography system and operation method thereof |
| CN106742478A (en) * | 2017-03-02 | 2017-05-31 | 深圳德森精密设备有限公司 | A kind of gummed paper labelling machine on linear electric motors |
-
2014
- 2014-10-29 CN CN201420635610.4U patent/CN204229843U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065559A1 (en) * | 2014-10-29 | 2016-05-06 | 雅科贝思精密机电(上海)有限公司 | High-precision planar positioning system |
| CN105765663A (en) * | 2014-10-29 | 2016-07-13 | 雅科贝思精密机电(上海)有限公司 | High-precision planar positioning system |
| CN105765663B (en) * | 2014-10-29 | 2018-06-12 | 雅科贝思精密机电(上海)有限公司 | A kind of high precision plane alignment system |
| CN105448798A (en) * | 2015-12-16 | 2016-03-30 | 中国电子科技集团公司第二研究所 | Double-drive type XY moving platform |
| CN105919613A (en) * | 2016-05-13 | 2016-09-07 | 姜金杰 | Radiology department digital X-ray photography system and operation method thereof |
| CN106742478A (en) * | 2017-03-02 | 2017-05-31 | 深圳德森精密设备有限公司 | A kind of gummed paper labelling machine on linear electric motors |
| CN106742478B (en) * | 2017-03-02 | 2019-05-17 | 深圳德森精密设备有限公司 | A kind of gummed paper labelling machine about linear motor |
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