CN203758481U - Motion synchronization precision detecting device based on linear motors - Google Patents
Motion synchronization precision detecting device based on linear motors Download PDFInfo
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- CN203758481U CN203758481U CN201320736202.3U CN201320736202U CN203758481U CN 203758481 U CN203758481 U CN 203758481U CN 201320736202 U CN201320736202 U CN 201320736202U CN 203758481 U CN203758481 U CN 203758481U
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Abstract
The utility model discloses a motion synchronization precision detecting device based on linear motors. The device at least comprises a synchronous motion module to be detected, a linear motor transmission module, a detection module and a control module, wherein the synchronous motion module to be detected at least comprises a first working platform (1) and a second working platform (1'), the linear motor transmission module at least comprises a first linear motor (2) and a second linear motor (2'), the detection module at least comprises a first displacement sensor (3), the control module at least comprises a control device (4), and the detection module can further comprise a second displacement sensor and a third displacement sensor. The motion synchronization precision detecting device based on the linear motors can directly detect motion synchronization precision of multiple linear motors and can avoid calculation errors caused when motion synchronization errors of synchronizing shafts are indirectly calculated by measuring the position information of motion of the synchronizing shafts independently in the prior art.
Description
Technical field
The utility model belongs to fields of numeric control technique, is specifically related to a kind of synchronized movement accuracy detecting device based on linear electric motors, for detection of the precision that is synchronized with the movement of the synchronizing shaft based on linear electric motors.
Background technology
Along with state-of-the-art facility is to high-speed, high precision and the develop rapidly of high-level efficiency direction, multi-shaft motion control system has been widely used in fields of numeric control technique.Multiaxis not only needs bonding shaft position or velocity control accuracy in the time being synchronized with the movement, and more needs to improve Multi-axis coordinated motion control accuracy.
Chinese scholars has been carried out large quantity research to Multi-axis coordinated motion.Chinese patent literature ZL200810196820.7 discloses a kind of numerical control machine tool double-shaft synchronization controller on March 24th, 2010, the position signalling that this device transports position probing interface circuit by the quadruple position counting module of two-axis position detection module carries out quadruple processing and phase demodulation counting is processed, and obtains two synchronizing shaft current locations and synchronism deviation information.Chinese patent literature ZL200410006534.1 was on November 14th, 2007, american documentation literature US7183739B2 is in open sync control device on February 27th, 2007, this sync control device synchro control drives two servomotors of identical control object, and described position control section is added to the device in described position deviation or position command by position calculations of offset handling part, adjusting gear and position offset that described position calculations of offset handling part is calculated, reduces two power between servomotor that act on.And Chinese patent literature ZL97181641.7, ZL98813801.8, ZL03826042.5, ZL98806851.6, in the current disclosed documents such as Chinese patent literature US7671553B2, US5025200, US5047702, the synchronized movement error between its synchronizing shaft is calculated by the displacement transducer information indirect of obtained each axle.At present Synchronization can not direct-detection to its synchronized movement error, therefore can not truly reflect the precision of the actual synchronization of synchronizing shaft.And, at present not for synchronized movement accuracy detecting device that can the multiple linear electric motors of direct-detection.
Summary of the invention
The purpose of this utility model is, can not direct-detection to its synchronized movement error for current Synchronization, and not for synchronized movement accuracy detecting device that can the multiple linear electric motors of direct-detection, therefore can not truly reflect the deficiency of the synchronized movement precision of linear electric motors, a kind of a kind of synchronized movement accuracy detecting device based on linear electric motors of synchronized movement precision that can the multiple linear electric motors of direct-detection is provided.
For realizing above-mentioned target, main technical schemes of the present utility model is as follows:
A kind of synchronized movement accuracy detecting device based on linear electric motors at least comprises the tested module that is synchronized with the movement, linear electric motors transmission module, detection module, control module composition; The described tested module that is synchronized with the movement at least comprises the first worktable 1, the second worktable 1 ' composition; Described linear electric motors transmission module at least comprises the first linear electric motors 2, the second linear electric motors 2 ' composition; Described detection module at least comprises that the first displacement transducer 3 forms; Described control module at least comprises that control device 4 forms.
The first worktable 1 of the described tested module that is synchronized with the movement is connected with the first linear electric motors 2 of linear electric motors transmission module, drives the first worktable 1 of the tested module that is synchronized with the movement to move by the first linear electric motors 2 of linear electric motors transmission module; The second worktable 1 of the tested module that is synchronized with the movement ' with the second linear electric motors 2 of linear electric motors transmission module ' be connected, by the second linear electric motors 2 of linear electric motors transmission module ' drive the second worktable 1 ' motion of the tested module that is synchronized with the movement.
The axle of the first linear electric motors 2 of described linear electric motors transmission module and the second linear electric motors 2 ' the coaxial installation of axle or parallel installation, by the first displacement transducer 3 of detection module detect the first worktable 1 of the tested module that is synchronized with the movement being driven by linear electric motors transmission module and the second worktable 1 ' synchronous error.
Described detection module can also comprise second displacement sensor 5, triple motion sensor 5 '; The positional information that the first worktable 1 of the tested module that is synchronized with the movement that the second displacement sensor 5 of described detection module drives for detection of the first linear electric motors 2 of linear electric motors transmission module moves, the triple motion sensor 5 of detection module ' for detection of the positional information of the second worktable 1 of the tested module that is synchronized with the movement of the second linear electric motors 2 of linear electric motors transmission module ' drive ' move.
The control device 4 of described control module receive first displacement transducer 3, second displacement sensor 5, triple motion sensor 5 of detection module ' signal, and detect and control first linear electric motors 2, the second linear electric motors 2 of linear electric motors transmission module '.
The beneficial effects of the utility model are:
A kind of synchronized movement accuracy detecting device based on linear electric motors of the utility model design, this device can the multiple linear electric motors of direct-detection synchronized movement precision, the first worktable of the tested module that is synchronized with the movement of the first displacement transducer direct-detection by signal detection module, the synchronized movement error of the second worktable, the error of calculation that can avoid the synchronized movement error of carrying out at present indirect calculation synchronizing shaft by measuring respectively the positional information of synchronizing shaft motion to cause.
Brief description of the drawings
Fig. 1 is a kind of synchronized movement accuracy detecting device of the utility model structural representation.
Fig. 2 is a kind of specific embodiment structural representation of the utility model.
Fig. 3 is the another kind of specific embodiment structural representation of the utility model.
Fig. 4 is the another kind of specific embodiment structural representation of the utility model.
In accompanying drawing: 1-the first worktable; 1 '-the second worktable; 2-the first linear electric motors; 2 '-the second linear electric motors; 3-the first displacement transducer; 4-control device; 5-second displacement sensor; 5 '-triple motion sensor; 6-the first displacement transducer main scale; 7-the first displacement transducer read head; 8-the first displacement transducer transmitting terminal; 9-the first displacement transducer receiving end.
Specific embodiment:
Below in conjunction with accompanying drawing 1 and specific embodiment, the utility model is described in more detail.
Specific embodiment one:
The structural representation of a kind of synchronized movement accuracy detecting device of the utility model is referring to accompanying drawing 2, and a kind of synchronized movement accuracy detecting device based on linear electric motors at least comprises the tested module that is synchronized with the movement, linear electric motors transmission module, detection module, control module composition; The described tested module that is synchronized with the movement at least comprises the first worktable 1, the second worktable 1 ' composition; Described linear electric motors transmission module at least comprises the first linear electric motors 2, the second linear electric motors 2 ' composition; Described detection module at least comprises the first displacement transducer composition, and the first displacement transducer is made up of the first displacement transducer main scale 6 in accompanying drawing 2 and the first displacement transducer read head 7; Described control module at least comprises that control device 4 forms.
The first worktable 1 of the described tested module that is synchronized with the movement is connected with the first linear electric motors 2 of linear electric motors transmission module, drives the first worktable 1 of the tested module that is synchronized with the movement to move by the first linear electric motors 2 of linear electric motors transmission module; The second worktable 1 of the tested module that is synchronized with the movement ' with the second linear electric motors 2 of linear electric motors transmission module ' be connected, by the second linear electric motors 2 of linear electric motors transmission module ' drive the second worktable 1 ' motion of the tested module that is synchronized with the movement.
The axle of the first linear electric motors 2 of described linear electric motors transmission module and the second linear electric motors 2 ' the coaxial installation of axle or parallel installation, the first displacement transducer by detection module the first displacement transducer main scale 6 and the first displacement transducer read head 7 detect the first worktable 1 of the tested module that is synchronized with the movement being driven by linear electric motors transmission module and the second worktable 1 ' synchronous error, wherein, the first worktable 1 of the first displacement transducer main scale 6 and the module that is synchronized with the movement or the second worktable 1 ' be fixedly connected with, the second worktable 1 of the first displacement transducer read head 7 and the module that is synchronized with the movement ' or the first worktable 1 be fixedly connected with.
Described detection module can also comprise second displacement sensor 5, triple motion sensor 5 '; The positional information that the first worktable 1 of the tested module that is synchronized with the movement that the second displacement sensor 5 of described detection module drives for detection of the first linear electric motors 2 of linear electric motors transmission module moves, the triple motion sensor 5 of detection module ' for detection of the positional information of the second worktable 1 of the tested module that is synchronized with the movement of the second linear electric motors 2 of linear electric motors transmission module ' drive ' move.
The control device 4 of described control module receive first displacement transducer, second displacement sensor 5, triple motion sensor 5 of detection module ' signal, and detect and control first linear electric motors 2, the second linear electric motors 2 of linear electric motors transmission module '.
Specific embodiment two:
The structural representation of a kind of synchronized movement accuracy detecting device of the utility model is referring to accompanying drawing 3, and a kind of synchronized movement accuracy detecting device based on linear electric motors at least comprises the tested module that is synchronized with the movement, linear electric motors transmission module, detection module, control module composition; The described tested module that is synchronized with the movement at least comprises the first worktable 1, the second worktable 1 ' composition; Described linear electric motors transmission module at least comprises the first linear electric motors 2, the second linear electric motors 2 ' composition; Described detection module at least comprises the first displacement transducer composition, and the first displacement transducer is made up of the first displacement transducer main scale 6 in accompanying drawing 3 and the first displacement transducer read head 7; Described control module at least comprises that control device 4 forms.
The first worktable 1 of the described tested module that is synchronized with the movement is connected with the first linear electric motors 2 of linear electric motors transmission module, drives the first worktable 1 of the tested module that is synchronized with the movement to move by the first linear electric motors 2 of linear electric motors transmission module; The second worktable 1 of the tested module that is synchronized with the movement ' with the second linear electric motors 2 of linear electric motors transmission module ' be connected, by the second linear electric motors 2 of linear electric motors transmission module ' drive the second worktable 1 ' motion of the tested module that is synchronized with the movement.
The axle of the first linear electric motors 2 of described linear electric motors transmission module and the second linear electric motors 2 ' the coaxial installation of axle or parallel installation, the first displacement transducer by detection module the first displacement transducer main scale 6 and the first displacement transducer read head 7 detect the first worktable 1 of the tested module that is synchronized with the movement being driven by linear electric motors transmission module and the second worktable 1 ' synchronous error, wherein, the first worktable 1 of the first displacement transducer main scale 6 and the module that is synchronized with the movement or the second worktable 1 ' be fixedly connected with, the second worktable 1 of the first displacement transducer read head 7 and the module that is synchronized with the movement ' or the first worktable 1 be fixedly connected with.
The control device 4 of described control module receive first displacement transducer, second displacement sensor 5, triple motion sensor 5 of detection module ' signal, and detect and control first linear electric motors 2, the second linear electric motors 2 of linear electric motors transmission module '.
Specific embodiment three:
The structural representation of a kind of synchronized movement accuracy detecting device of the utility model is referring to accompanying drawing 4, and a kind of synchronized movement accuracy detecting device based on linear electric motors at least comprises the tested module that is synchronized with the movement, linear electric motors transmission module, detection module, control module composition; The described tested module that is synchronized with the movement at least comprises the first worktable 1, the second worktable 1 ' composition; Described linear electric motors transmission module at least comprises the first linear electric motors 2, the second linear electric motors 2 ' composition; Described detection module at least comprises the first displacement transducer composition, and the first displacement transducer is made up of the first displacement transducer transmitting terminal 8 in accompanying drawing 4 and the first displacement transducer receiving end 9; Described control module at least comprises that control device 4 forms.
The first worktable 1 of the described tested module that is synchronized with the movement is connected with the first linear electric motors 2 of linear electric motors transmission module, drives the first worktable 1 of the tested module that is synchronized with the movement to move by the first linear electric motors 2 of linear electric motors transmission module; The second worktable 1 of the tested module that is synchronized with the movement ' with the second linear electric motors 2 of linear electric motors transmission module ' be connected, by the second linear electric motors 2 of linear electric motors transmission module ' drive the second worktable 1 ' motion of the tested module that is synchronized with the movement.
The axle of the first linear electric motors 2 of described linear electric motors transmission module and the second linear electric motors 2 ' the coaxial installation of axle or parallel installation, the first displacement transducer by detection module the first displacement transducer transmitting terminal 8 and the first displacement transducer receiving end 9 detect the first worktable 1 of the tested module that is synchronized with the movement being driven by linear electric motors transmission module and the second worktable 1 ' synchronous error, wherein, the first worktable 1 of the first displacement transducer transmitting terminal 8 and the module that is synchronized with the movement or the second worktable 1 ' be fixedly connected with, the second worktable 1 of the first displacement transducer receiving end 9 and the module that is synchronized with the movement ' or the first worktable 1 be fixedly connected with.
Described detection module can also comprise second displacement sensor 5, triple motion sensor 5 '; The positional information that the first worktable 1 of the tested module that is synchronized with the movement that the second displacement sensor 5 of described detection module drives for detection of the first linear electric motors 2 of linear electric motors transmission module moves, the triple motion sensor 5 of detection module ' for detection of the positional information of the second worktable 1 of the tested module that is synchronized with the movement of the second linear electric motors 2 of linear electric motors transmission module ' drive ' move.
The control device 4 of described control module receive first displacement transducer, second displacement sensor 5, triple motion sensor 5 of detection module ' signal, and detect and control first linear electric motors 2, the second linear electric motors 2 of linear electric motors transmission module '.
Finally explanation is that a kind of synchronized movement accuracy detecting device based on linear electric motors of the present utility model is not limited to above-mentioned three embodiment, can also make various amendments, conversion and distortion.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.Every according to the technical solution of the utility model modify, modification or equivalent variations, and do not depart from thought and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. the synchronized movement accuracy detecting device based on linear electric motors, is characterized in that: which comprises at least the tested module that is synchronized with the movement, linear electric motors transmission module, detection module, control module composition;
The described tested module that is synchronized with the movement at least comprises the first worktable (1), the second worktable (1 ') composition;
Described linear electric motors transmission module at least comprises the first linear electric motors (2), the second linear electric motors (2 ') composition;
Described detection module at least comprises the first displacement transducer (3) composition;
Described control module at least comprises control device (4) composition.
2. a kind of synchronized movement accuracy detecting device based on linear electric motors according to claim 1, is characterized in that: first worktable (1) of the described tested module that is synchronized with the movement is connected with first linear electric motors (2) of linear electric motors transmission module; Second worktable (1 ') of the tested module that is synchronized with the movement is connected with second linear electric motors (2 ') of linear electric motors transmission module.
3. a kind of synchronized movement accuracy detecting device based on linear electric motors according to claim 1, it is characterized in that: the coaxial installation of axle or the parallel installation of the axle of first linear electric motors (2) of described linear electric motors transmission module and the second linear electric motors (2 '), detect the synchronous error of the first worktable (1) Yu second worktable (1 ') of the tested module that is synchronized with the movement being driven by linear electric motors transmission module by first displacement transducer (3) of detection module.
4. a kind of synchronized movement accuracy detecting device based on linear electric motors according to claim 1, is characterized in that: described detection module can also comprise second displacement sensor (5), triple motion sensor (5 '); The positional information that first worktable (1) of the tested module that is synchronized with the movement that the second displacement sensor (5) of described detection module drives for detection of first linear electric motors (2) of linear electric motors transmission module moves, the positional information that second worktable (1 ') of the tested module that is synchronized with the movement that the triple motion sensor (5 ') of detection module drives for detection of second linear electric motors (2 ') of linear electric motors transmission module moves.
5. a kind of synchronized movement accuracy detecting device based on linear electric motors according to claim 1, it is characterized in that: the control device (4) of described control module receives the first displacement transducer (3), the second displacement sensor (5) of detection module, the signal of triple motion sensor (5 '), and detect and control the first linear electric motors (2), second linear electric motors (2 ') of linear electric motors transmission module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320736202.3U CN203758481U (en) | 2013-11-21 | 2013-11-21 | Motion synchronization precision detecting device based on linear motors |
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| CN201320736202.3U CN203758481U (en) | 2013-11-21 | 2013-11-21 | Motion synchronization precision detecting device based on linear motors |
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| CN203758481U true CN203758481U (en) | 2014-08-06 |
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| CN201320736202.3U Expired - Fee Related CN203758481U (en) | 2013-11-21 | 2013-11-21 | Motion synchronization precision detecting device based on linear motors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615999A (en) * | 2013-11-21 | 2014-03-05 | 广西大学 | Motion synchronization precision detecting device based on linear motors |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615999A (en) * | 2013-11-21 | 2014-03-05 | 广西大学 | Motion synchronization precision detecting device based on linear motors |
| CN103615999B (en) * | 2013-11-21 | 2017-01-18 | 广西大学 | Motion synchronization precision detecting device based on linear motors |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20161121 |