CN203758480U - Motion synchronization precision detection device - Google Patents
Motion synchronization precision detection device Download PDFInfo
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- CN203758480U CN203758480U CN201320736201.9U CN201320736201U CN203758480U CN 203758480 U CN203758480 U CN 203758480U CN 201320736201 U CN201320736201 U CN 201320736201U CN 203758480 U CN203758480 U CN 203758480U
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Abstract
The utility model discloses a motion synchronization precision detection device, comprising at least a detected synchronization module, a mechanical transmission module, a detection module and a control module. The detected synchronization module at least comprises a first worktable and a second worktable; the mechanical transmission module at least comprises a first motor, a first screw rod, a second motor and a second screw rod; the detection module at least comprises a first displacement sensor; the control module at least comprises a control device; and the detection module can further comprises a second displacement sensor and a third displacement sensor. The motion synchronization precision detection device directly detects the motion synchronization error between the first worktable and the second worktable of the detected synchronization module through the first displacement sensor of the signal detection module, and can avoid the computing error caused by indirect computing of the motion synchronization error of synchronization shafts through respective measurement on the position information of the motion of the synchronization shafts at present.
Description
Technical field
The utility model belongs to fields of numeric control technique, is specifically related to a kind of pick-up unit of synchronized movement precision, for detection of the precision that is synchronized with the movement of synchronizing shaft.
Background technology
In Modern Motion Control and machining manufacture, multi-shaft motion control system has been widely used in fields of numeric control technique.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 framework is proposed to requirements at the higher level.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.
Under ideal conditions in Multi-axis coordinated motion control, if tracking error is zero, synchronous error is also zero.So can realize multiaxis coordination control by reducing tracking error.But reduce tracking error and not necessarily reduce synchronous error, and synchronous error is one of principal element affecting machining precision, therefore 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 US767155382, US5025200, US5047702, synchronized movement error between its synchronizing shaft is calculated by the displacement transducer information indirect of obtained each axle, can not direct-detection to its synchronized movement error, therefore can not truly reflect the precision of the actual synchronization of synchronizing shaft.
Summary of the invention
The purpose of this utility model is, for the synchronized movement error of obtaining synchronizing shaft in current Synchronization by indirect calculation, affect the deficiency of the synchronized movement precision between synchronizing shaft, a kind of a kind of synchronized movement accuracy detecting device that can the tested synchronization module synchronized movement of direct-detection precision 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 at least comprises tested synchronization module, mechanical drive module, detection module, control module composition; Described tested synchronization module at least comprises the first worktable 1, the second worktable 1 ' composition; Described mechanical drive module at least comprise the first motor 2, the first leading screw 3, the second motor 2 ', the second leading screw 3 ' composition; Described detection module at least comprises that the first displacement transducer 4 forms; Described control module at least comprises that control device 5 forms.
The first worktable 1 of described tested synchronization module is connected with the first leading screw 3 of mechanical drive module by screw pair, the first leading screw 3 of mechanical drive module is connected with the first motor 2 of mechanical drive module by shaft coupling, and the first motor 2 drives the first worktable 1 to move by the first leading screw 3.
The second leading screw 3 of the second worktable 1 of described tested synchronization module ' by screw pair and mechanical drive module ' be connected, the second motor 2 of the second leading screw 3 of mechanical drive module ' by shaft coupling and mechanical drive module ' be connected, the second motor 2 ' by the second leading screw 3 ' driving the second worktable 1 ' motion; Wherein, the first leading screw 3 of mechanical drive module and the second leading screw 3 ' coaxial or parallel placement.
The triple motion sensor 4 of described detection module for detection of the first worktable 1 of tested synchronization module and the second worktable 1 ' synchronous error.
Described detection module can also comprise second displacement sensor 6, triple motion sensor 6 ', the second displacement sensor 6 of detection module detects the positional information of the first worktable 1 of tested synchronization module, the second worktable 1 of the tested synchronization module of triple motion sensor 6 ' detect ' positional information.
The control device 5 of described control module receive first displacement transducer 4, second displacement sensor 6, triple motion sensor 6 of detection module ' signal, and detect and control first motor 2, the second motor 2 of mechanical transmission module '.
The beneficial effects of the utility model are:
A kind of synchronized movement accuracy detecting device of the utility model design, this device passes through tested synchronization module first worktable of the first displacement transducer direct-detection of 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 motor; 2 '-the second motors; 3-the first leading screw; 3 '-the second leading screws; 4-the first displacement transducer; 5-control device; 6-second displacement sensor; 6 '-triple motion sensor; 7-the first displacement transducer main scale; 8-the first displacement transducer read head; 9-the first displacement transducer transmitting terminal; 10-the first displacement transducer receiving end.
Specific embodiment:
Below in conjunction with the drawings and specific embodiments, 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 at least comprises tested synchronization module, mechanical drive module, detection module, control module composition; Described tested synchronization module at least comprises the first worktable 1, the second worktable 1 ' composition; Described mechanical drive module at least comprise the first motor 2, the first leading screw 3, the second motor 2 ', the second leading screw 3 ' 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 7 in accompanying drawing 2 and the first displacement transducer read head 8; Described control module at least comprises that control device 5 forms.
The first worktable 1 of described tested synchronization module is connected with the first leading screw 3 of mechanical drive module by screw pair, the first leading screw 3 of mechanical drive module is connected with the first motor 2 of mechanical drive module by shaft coupling, and the first motor 2 drives the first worktable 1 to move by the first leading screw 3.
The second leading screw 3 of the second worktable 1 of described tested synchronization module ' by screw pair and mechanical drive module ' be connected, the second motor 2 of the second leading screw 3 of mechanical drive module ' by shaft coupling and mechanical drive module ' be connected, the second motor 2 ' by the second leading screw 3 ' driving the second worktable 1 ' motion; Wherein, the first leading screw 3 of mechanical drive module and the second leading screw 3 ' coaxial or parallel placement.
The first displacement transducer of described detection module the first displacement transducer main scale 7 and the first displacement transducer read head 8 for detection of the first worktable 1 of tested synchronization module and the second worktable 1 ' synchronous error, wherein, the first worktable 1 of the first displacement transducer main scale 7 and synchronization module or the second worktable 1 ' be fixedly connected with, the second worktable 1 of the first displacement transducer read head 8 and synchronization module ' or the first worktable 1 be fixedly connected with.
Described detection module can also comprise second displacement sensor 6, triple motion sensor 6 ', the second displacement sensor 6 of detection module detects the positional information of the first worktable 1 of tested synchronization module, the second worktable 1 of the tested synchronization module of triple motion sensor 6 ' detect ' positional information.
The control device 5 of described control module receive first displacement transducer, second displacement sensor 6, triple motion sensor 6 of detection module ' signal, and detect and control first motor 2, the second motor 2 of mechanical 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 at least comprises tested synchronization module, mechanical drive module, detection module, control module composition; Described tested synchronization module at least comprises the first worktable 1, the second worktable 1 ' composition; Described mechanical drive module at least comprise the first motor 2, the first leading screw 3, the second motor 2 ', the second leading screw 3 ' 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 7 in accompanying drawing 3 and the first displacement transducer read head 8; Described control module at least comprises that control device 5 forms.
The first worktable 1 of described tested synchronization module is connected with the first leading screw 3 of mechanical drive module by screw pair, the first leading screw 3 of mechanical drive module is connected with the first motor 2 of mechanical drive module by shaft coupling, and the first motor 2 drives the first worktable 1 to move by the first leading screw 3.
The second leading screw 3 of the second worktable 1 of described tested synchronization module ' by screw pair and mechanical drive module ' be connected, the second motor 2 of the second leading screw 3 of mechanical drive module ' by shaft coupling and mechanical drive module ' be connected, the second motor 2 ' by the second leading screw 3 ' driving the second worktable 1 ' motion; Wherein, the first leading screw 3 of mechanical drive module and the second leading screw 3 ' coaxial or parallel placement.
The first displacement transducer of described detection module the first displacement transducer main scale 7 and the first displacement transducer read head 8 for detection of the first worktable 1 of tested synchronization module and the second worktable 1 ' synchronous error, wherein, the first worktable 1 of the first displacement transducer main scale 7 and synchronization module or the second worktable 1 ' be fixedly connected with, the second worktable 1 of the first displacement transducer read head 8 and synchronization module ' or the first worktable 1 be fixedly connected with.
The control device 5 of described control module receives the signal of the first displacement transducer of detection module, and detect and control first motor 2, the second motor 2 of mechanical 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 at least comprises tested synchronization module, mechanical drive module, detection module, control module composition; Described tested synchronization module at least comprises the first worktable 1, the second worktable 1 ' composition; Described mechanical drive module at least comprise the first motor 2, the first leading screw 3, the second motor 2 ', the second leading screw 3 ' 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 9 in accompanying drawing 4 and the first displacement transducer receiving end 10; Described control module at least comprises that control device 5 forms.
The first worktable 1 of described tested synchronization module is connected with the first leading screw 3 of mechanical drive module by screw pair, the first leading screw 3 of mechanical drive module is connected with the first motor 2 of mechanical drive module by shaft coupling, and the first motor 2 drives the first worktable 1 to move by the first leading screw 3.
The second leading screw 3 of the second worktable 1 of described tested synchronization module ' by screw pair and mechanical drive module ' be connected, the second motor 2 of the second leading screw 3 of mechanical drive module ' by shaft coupling and mechanical drive module ' be connected, the second motor 2 ' by the second leading screw 3 ' driving the second worktable 1 ' motion; Wherein, the first leading screw 3 of mechanical drive module and the second leading screw 3 ' coaxial or parallel placement.
The first displacement transducer of described detection module the first displacement transducer transmitting terminal 9 and the first displacement transducer receiving end 10 for detection of the first worktable 1 of tested synchronization module and the second worktable 1 ' synchronous error, wherein, the first worktable 1 of the first displacement transducer transmitting terminal 9 and synchronization module or the second worktable 1 ' be fixedly connected with, the second worktable 1 of the first displacement transducer receiving end 10 and synchronization module ' or the first worktable 1 be fixedly connected with.
Described detection module can also comprise second displacement sensor 6, triple motion sensor 6 ', the second displacement sensor 6 of detection module detects the positional information of the first worktable 1 of tested synchronization module, the second worktable 1 of the tested synchronization module of triple motion sensor 6 ' detect ' positional information.
The control device 5 of described control module receive first displacement transducer, second displacement sensor 6, triple motion sensor 6 of detection module ' signal, and detect and control first motor 2, the second motor 2 of mechanical transmission module '.
Finally explanation is that a kind of synchronized movement accuracy detecting device 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 (6)
1. a synchronized movement accuracy detecting device, is characterized in that: which comprises at least tested synchronization module, mechanical drive module, detection module, control module composition;
Described tested synchronization module at least comprises the first worktable (1), the second worktable (1 ') composition;
Described mechanical drive module at least comprises the first motor (2), the first leading screw (3), the second motor (2 '), the second leading screw (3 ') composition;
Described detection module at least comprises the first displacement transducer (4) composition;
Described control module at least comprises control device (5) composition.
2. a kind of synchronized movement accuracy detecting device according to claim 1, it is characterized in that: first worktable (1) of described tested synchronization module is connected with first leading screw (3) of mechanical drive module by screw pair, first leading screw (3) of mechanical drive module is connected with first motor (2) of mechanical drive module by shaft coupling.
3. a kind of synchronized movement accuracy detecting device according to claim 1, it is characterized in that: second worktable (1 ') of described tested synchronization module is connected with second leading screw (3 ') of mechanical drive module by screw pair, second leading screw (3 ') of mechanical drive module is connected with second motor (2 ') of mechanical drive module by shaft coupling; First leading screw (3) of mechanical drive module is coaxial or parallel with the second leading screw (3 ').
4. a kind of synchronized movement accuracy detecting device according to claim 1, is characterized in that: first displacement transducer (4) of described detection module is for detection of the synchronous error of the first worktable (1) Yu second worktable (1 ') of tested synchronization module.
5. a kind of synchronized movement accuracy detecting device according to claim 1, it is characterized in that: described detection module can also comprise second displacement sensor (6), triple motion sensor (6 '), the second displacement sensor (6) of detection module detects the positional information of first worktable (1) of tested synchronization module, and triple motion sensor (6 ') detects the positional information of second worktable (1 ') of tested synchronization module.
6. a kind of synchronized movement accuracy detecting device according to claim 1, it is characterized in that: the control device (5) of described control module receives the first displacement transducer (4), the second displacement sensor (6) of detection module, the signal of triple motion sensor (6 '), and detect and control the first motor (2), second motor (2 ') of mechanical transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736201.9U CN203758480U (en) | 2013-11-21 | 2013-11-21 | Motion synchronization precision detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736201.9U CN203758480U (en) | 2013-11-21 | 2013-11-21 | Motion synchronization precision detection device |
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| CN203758480U true CN203758480U (en) | 2014-08-06 |
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| CN201320736201.9U Withdrawn - After Issue CN203758480U (en) | 2013-11-21 | 2013-11-21 | Motion synchronization precision detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616000A (en) * | 2013-11-21 | 2014-03-05 | 广西大学 | Motion synchronization precision detection device |
-
2013
- 2013-11-21 CN CN201320736201.9U patent/CN203758480U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616000A (en) * | 2013-11-21 | 2014-03-05 | 广西大学 | Motion synchronization precision detection device |
| CN103616000B (en) * | 2013-11-21 | 2016-09-07 | 广西大学 | A kind of motion synchronization precision detection device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160907 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |