CN108983701A - Synchronous drive device and driving method - Google Patents
Synchronous drive device and driving method Download PDFInfo
- Publication number
- CN108983701A CN108983701A CN201710404881.7A CN201710404881A CN108983701A CN 108983701 A CN108983701 A CN 108983701A CN 201710404881 A CN201710404881 A CN 201710404881A CN 108983701 A CN108983701 A CN 108983701A
- Authority
- CN
- China
- Prior art keywords
- grating
- load
- driving
- controller
- reader
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 24
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 56
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/402—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37404—Orientation of workpiece or tool, surface sensor
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The embodiment of the present invention provides a kind of synchronous drive device and driving method, wherein the device includes: pedestal, load, two structures are identical, and driving assembly disposed in parallel, controller and the identical Grating examinations device of two structures, wherein, driving assembly includes the ball-screw being arranged on the base and the motor connecting with ball-screw, it loads affixed with the ball-screw of two driving assemblies, two Grating examinations devices are arranged in parallel with one in two driving assemblies respectively, for detecting the displacement at load both ends, controller is electrically connected with the motor in two Grating examinations devices and two driving assemblies respectively, the both ends synchronizing moving loaded for the testing result driving according to two Grating examinations devices.Synchronous drive device and driving method provided in an embodiment of the present invention, synchronization accuracy are higher.
Description
Technical Field
The embodiment of the invention relates to the technical field of automatic control, in particular to a synchronous driving device and a driving method.
Background
In various industrial automation devices such as a numerical control machine tool, an inkjet printer, a digital printing device and the like, along with the increase of the size of a processed workpiece or the increase of the breadth of a printed product, the requirement on synchronous drive control of wide and large-span loads is more and more extensive. However, in the process of linear movement of the wide-width large-span load, due to the friction resistance of the transmission mechanism and the deformation of the mechanical structure, the synchronism of the movement of the two ends of the wide-width large-span load is affected.
The method for solving the problem in the prior art is mainly to decompose the main transmission of the motor through a mechanical transmission structure, so that the purpose of simultaneously driving two ends of a wide-width large-span load is achieved, and the synchronous linear movement of the wide-width large-span load is realized.
However, the mechanical transmission structure in the prior art is complex, has high requirements on the mechanical structure assembly and processing technology, is easily influenced by accumulated errors in the transmission process, and has low synchronization precision.
Disclosure of Invention
The embodiment of the invention provides a synchronous driving device and a driving method, which are used for improving the precision of synchronous driving.
A first aspect of an embodiment of the present invention provides a synchronous drive apparatus, including:
base, load and two structures are the same, and parallel arrangement's drive assembly, wherein, drive assembly, including setting up ball on the base and with the motor that ball is connected, the load with two drive assembly's ball rigid coupling, especially, the device still includes:
the controller is electrically connected with the two grating detection devices and motors in the two driving assemblies respectively and is used for driving the two ends of the load to move synchronously according to the detection results of the two grating detection devices.
A second aspect of the embodiments of the present invention provides a driving method for a synchronous driving device, which is suitable for a synchronous driving device, the device includes a base, a load, and two driving assemblies that are identical in structure and are arranged in parallel, wherein the driving assemblies include ball screws arranged on the base and motors connected to the ball screws, the load is fixedly connected to the ball screws of the two driving assemblies, and in particular, the device further includes:
the grating detection device comprises a controller and two grating detection devices with the same structure, wherein the two grating detection devices are respectively arranged in parallel with one of the two driving assemblies and used for detecting the displacement of two ends of the load, and the controller is respectively electrically connected with the two grating detection devices and motors in the two driving assemblies;
the method comprises the following steps:
the controller receives detection information sent by the two grating detection devices at the same moment, wherein the detection information comprises displacement amounts of two ends of the load at the moment;
and the controller determines the driving amount of the motors in the two driving components according to the displacement amount of the two ends of the load, so that the two ends of the load synchronously move.
According to the embodiment of the invention, the two grating detection devices are adopted to detect the displacement quantities at the two ends of the load, so that the controller can monitor the displacement quantities at the two ends of the load in real time according to the detection information of the two grating detection devices, and timely change the driving quantity of the motor when the displacement quantities at the two ends of the load are inconsistent, so that the two ends of the load can synchronously move, the problems of complex mechanical structure, high assembly and processing process requirements and structural error accumulation in the prior art are solved, and the synchronous precision is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a synchronous driving device according to an embodiment of the present invention;
fig. 2 is a flowchart of a driving method according to an embodiment of the invention.
Reference numerals:
101-base 102-load
1031-ball screw 1032-motor
1051-guide 1052-grating reader
1053-grating ruler
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this invention, are intended to cover non-exclusive inclusions, e.g., a process or an apparatus that comprises a list of steps is not necessarily limited to those structures or steps expressly listed but may include other steps or structures not expressly listed or inherent to such process or apparatus.
Fig. 1 is a schematic structural diagram of a synchronous driving device according to an embodiment of the present invention. As shown in fig. 1, the apparatus includes:
the device comprises a base 101, a load 102, a first driving assembly and a second driving assembly, wherein the first driving assembly and the second driving assembly have the same structure and are arranged on the base 101 in parallel. Wherein, the first driving assembly includes a ball screw 1031 provided on the base 101 and a motor 1032 connected with the ball screw 1031. The structure of the second driving assembly is the same as that of the first driving assembly, and is not described in detail herein.
Two ends of the load 102 are fixedly connected with the ball screws of the first driving assembly and the second driving assembly respectively. Both ends of the load 102 are linearly moved together with the ball screws of the first and second driving assemblies by the motors of the first and second driving assemblies.
In particular, in this embodiment, the apparatus may further include a first grating detection device, a second grating detection device, and a controller (not shown in fig. 1), among others. The first grating detection device is arranged in parallel with the first driving assembly at a position on the base 101 close to the first driving assembly, and the second grating detection device is arranged in parallel with the second driving assembly at a position on the base 101 close to the second driving assembly. That is, in the present embodiment, the first grating detection device and the second grating detection device may be exemplarily expressed as being disposed in parallel with one of the two driving assemblies, respectively. The first grating detection device and the second grating detection device are used for detecting displacement quantities of two ends of the load. The controller is respectively electrically connected with the first grating detection device, the second grating detection device and the motors in the first driving assembly and the second driving assembly.
In practical application, the first grating detection device and the second grating detection device send respective detection information to the controller, and the controller obtains the displacement amount of each of the two ends of the load 102 from the detection information. And determining the driving quantity of the motors in the first driving assembly and the second driving assembly according to the difference value of the displacement quantities of the two ends, thereby ensuring that the two ends of the load synchronously move. For example, when the first grating detection device detects that the displacement of one end of the load 102 is 5 cm, and the second grating detection device detects that the displacement of the other end of the load 102 is 6 cm, the controller controls the output control signal to increase the driving amount of the motor in the second driving assembly, and decrease or keep the driving amount of the motor in the first driving assembly, so as to compensate for the displacement difference between the two ends of the load, and further to move synchronously.
In particular, in this embodiment, the first driving assembly further includes a guiding rail 1051, and the first and second grating detection devices are the same in structure, wherein the first grating detection device includes a grating reader 1052 and a grating ruler 1053. The guide rail 1051 is disposed on the base 101 in parallel with the first ball screw 1031. One end of the grating reader 1052 is slidably disposed on the guide track 1051, and the other end is fixedly connected to one end of the load 102. The grating scale 1053 is disposed on the base 101 in parallel with the guide rail 1051. When the load 102 moves, the grating reader 1052 slides along the guide track 1051 under the drive of the load and sends the reading from the grating ruler to the controller. It should be noted here that each grating line on the grating scale represents a different displacement. The grating lines detected by grating reader 1052 move to different positions. Therefore, the displacement of the load is obtained in real time by the cooperation between the grating scale 1053 and the grating reader 1052. In particular, a standard position is also set on the grating scale 1053, and the standard position represents a key position of the load movement, that is, when the load moves to the standard position, the controller adjusts the assignment of the shift register of the motor to zero, so that the load stops moving. The structure of the second grating detection device is the same as that of the first grating detection device, and is not described herein again.
This embodiment, detect the displacement volume at load both ends through adopting two grating detection device, make the controller carry out real time monitoring to the displacement volume at load both ends according to two grating detection device's detection information, and when the displacement volume at load both ends appears nonconformity, in time change the drive capacity of motor, thereby make the load both ends can synchronous motion, it is complicated to have overcome prior art mechanical structure, the problem that assembly process requires height and structural error accumulation, higher synchronous accuracy has.
Fig. 2 is a flowchart of a driving method according to an embodiment of the present invention, the method is applied to the driving apparatus shown in fig. 1, and as shown in fig. 2, the method includes:
and S11, the controller receives the detection information sent by the two raster detection devices at the same time, wherein the detection information comprises the displacement of the two ends of the load at the time.
The two grating detection devices described in this embodiment may be embodied as the first grating detection device and the second grating detection device in the embodiment shown in fig. 1.
In practical application, the grating reader moves along the guide rail under the driving of a load, and simultaneously reads from the grating ruler, and sends the read reading to the controller, so that the controller performs real-time control according to the reading.
And S12, determining the driving amount of the motors in the two driving assemblies according to the displacement amount of the two ends of the load by the controller, so that the two ends of the load synchronously move.
The two driving assemblies described in this embodiment may be embodied as the first driving assembly and the second driving assembly in fig. 1.
The method provided by this embodiment is suitable for the synchronous driving apparatus shown in fig. 1, and the implementation process and the beneficial effects thereof are similar to those of the embodiment shown in fig. 1, and are not described again here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a synchronous driving device, includes that base, load and two structures are the same, and parallel arrangement's drive assembly, wherein, drive assembly, including setting up ball on the base and with the motor that ball is connected, the load with two drive assembly's ball rigid coupling, its characterized in that, the device still includes:
the controller is electrically connected with the two grating detection devices and motors in the two driving assemblies respectively and is used for driving the two ends of the load to move synchronously according to the detection results of the two grating detection devices.
2. The apparatus of claim 1, wherein the drive assembly further comprises a guide rail, the raster detection apparatus comprising: a grating reader and a grating ruler;
wherein the grating reader is connected with the controller;
the guide rail and the ball screw are arranged on the base in parallel, one end of the grating reader is arranged on the guide rail in a sliding mode, and the other end of the grating reader is fixedly connected with one end of the load;
the grating ruler and the guide rail are arranged on the base in parallel, and the grating reader reads from the grating ruler.
3. The apparatus of claim 2, wherein the grating scale is provided with a standard position, and the standard position is an end position of the load movement.
4. The apparatus of claim 3, wherein the controller includes a shift register, the shift register having an assignment of zero when the grating reader detects the standard position.
5. A driving method, which is suitable for a synchronous driving device, the device comprises a base, a load and two driving components which are identical in structure and are arranged in parallel, wherein the driving components comprise a ball screw arranged on the base and a motor connected with the ball screw, the load is fixedly connected with the ball screws of the two driving components, and the device is characterized by further comprising:
the grating detection device comprises a controller and two grating detection devices with the same structure, wherein the two grating detection devices are respectively arranged in parallel with one of the two driving assemblies and used for detecting the displacement of two ends of the load, and the controller is respectively electrically connected with the two grating detection devices and motors in the two driving assemblies;
the method comprises the following steps:
the controller receives detection information sent by the two grating detection devices at the same moment, wherein the detection information comprises displacement amounts of two ends of the load at the moment;
and the controller determines the driving amount of the motors in the two driving components according to the displacement amount of the two ends of the load, so that the two ends of the load synchronously move.
6. The method of claim 5, wherein the drive assembly further comprises a guide rail, and the raster detection assembly comprises: a grating reader and a grating ruler;
wherein,
the grating ruler and the guide rail are arranged on the base in parallel with the ball screw, one end of the grating reader is arranged on the guide rail in a sliding mode, and the other end of the grating reader is fixedly connected with one end of the load;
the method further comprises the following steps:
when the grating reader slides on the guide rail synchronously with one end of the load, the controller receives detection information of the grating reader, wherein the detection information comprises displacement of the end, connected with the grating reader, of the load.
7. The method of claim 6, wherein the grating scale is provided with a standard position, and the standard position is an end position of the load movement.
8. The method of claim 7, wherein the controller includes a shift register, and wherein the controller sets an assignment of the shift register to zero when the grating reader detects the standard position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404881.7A CN108983701A (en) | 2017-06-01 | 2017-06-01 | Synchronous drive device and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404881.7A CN108983701A (en) | 2017-06-01 | 2017-06-01 | Synchronous drive device and driving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108983701A true CN108983701A (en) | 2018-12-11 |
Family
ID=64501457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710404881.7A Pending CN108983701A (en) | 2017-06-01 | 2017-06-01 | Synchronous drive device and driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108983701A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253308A (en) * | 2019-07-23 | 2019-09-20 | 广东工业大学 | A kind of double lathes and method for driving movement warp in compensation gantry |
| CN110549151A (en) * | 2019-09-16 | 2019-12-10 | 聊城大学 | track guide rail driving micro-feeding servo system and synchronous control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941511A (en) * | 2012-11-22 | 2013-02-27 | 武汉重型机床集团有限公司 | Method for testing synchronization of spindle box positions by applying dual screws, dual motors and dual grating scales |
| CN103707109A (en) * | 2013-12-26 | 2014-04-09 | 北京航空航天大学 | Five-axis synchronous processing device of curved surface structures arrayed in circumferential mode |
| CN104842654A (en) * | 2015-06-16 | 2015-08-19 | 洛阳理工学院 | Environment-friendly convenient household portrait printer |
| US9177751B2 (en) * | 2008-05-22 | 2015-11-03 | Vladimir Balakin | Carbon ion beam injector apparatus and method of use thereof |
-
2017
- 2017-06-01 CN CN201710404881.7A patent/CN108983701A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9177751B2 (en) * | 2008-05-22 | 2015-11-03 | Vladimir Balakin | Carbon ion beam injector apparatus and method of use thereof |
| CN102941511A (en) * | 2012-11-22 | 2013-02-27 | 武汉重型机床集团有限公司 | Method for testing synchronization of spindle box positions by applying dual screws, dual motors and dual grating scales |
| CN103707109A (en) * | 2013-12-26 | 2014-04-09 | 北京航空航天大学 | Five-axis synchronous processing device of curved surface structures arrayed in circumferential mode |
| CN104842654A (en) * | 2015-06-16 | 2015-08-19 | 洛阳理工学院 | Environment-friendly convenient household portrait printer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253308A (en) * | 2019-07-23 | 2019-09-20 | 广东工业大学 | A kind of double lathes and method for driving movement warp in compensation gantry |
| CN110253308B (en) * | 2019-07-23 | 2024-05-14 | 广东工业大学 | Machine tool and method for compensating gantry double-drive motion deviation |
| CN110549151A (en) * | 2019-09-16 | 2019-12-10 | 聊城大学 | track guide rail driving micro-feeding servo system and synchronous control method |
| CN110549151B (en) * | 2019-09-16 | 2020-07-28 | 聊城大学 | Track guide rail driving micro-feeding servo system and synchronous control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104101830B (en) | Keyboard testing machine | |
| CN106537269A (en) | Method, apparatus and system for improving system accuracy of xy motion platform | |
| CN101487688A (en) | Method and apparatus for measuring and compensating transmission error of electric cylinder | |
| CN104166085A (en) | PCBA board testing device | |
| CN111123832B (en) | Detection compensation device, detection compensation method, and computer-readable storage medium | |
| CN108983701A (en) | Synchronous drive device and driving method | |
| CN111765844A (en) | System and method for detecting dynamic error of grating ruler | |
| CN210981144U (en) | Glass overall dimension detects platform | |
| GB2112523A (en) | Displacement measuring device | |
| CN103615999B (en) | Motion synchronization precision detecting device based on linear motors | |
| CN104760328B (en) | Linear displacement sensor installation evaluation method and system | |
| CN103940347B (en) | Increment type grating scale failure detector and detection method thereof | |
| CN202267459U (en) | Silicon steel sheet stack thickness measuring device | |
| CN111113152B (en) | Detection compensation device, detection compensation method, and computer-readable storage medium | |
| CN207487572U (en) | Mobile phone glass lid flatness measuring device | |
| CN208922274U (en) | Two-sided scanning machine for assembly line | |
| CN212646920U (en) | Linear motor test platform | |
| CN103487311B (en) | A kind of wet pulp sample placing device and control method thereof | |
| CN105823405A (en) | Inductance type displacement sensor detecting device | |
| CN208269873U (en) | Contact automatically measuring diameter instrument | |
| CN208297327U (en) | Synchronizing device and synchronizer | |
| CN106996760A (en) | Cam shaft is to dimension measuring device | |
| CN103984284A (en) | Fully-automatic intelligent auxiliary device | |
| CN207636034U (en) | A kind of non-contact type plate glass parallel edges is away from self-operated measuring unit | |
| CN210336934U (en) | 3D printer movement control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
|
| RJ01 | Rejection of invention patent application after publication |