CN101664856A - Rotating shaft position-limiting device with sensor and position-limiting method thereof - Google Patents
Rotating shaft position-limiting device with sensor and position-limiting method thereof Download PDFInfo
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- CN101664856A CN101664856A CN200910189712A CN200910189712A CN101664856A CN 101664856 A CN101664856 A CN 101664856A CN 200910189712 A CN200910189712 A CN 200910189712A CN 200910189712 A CN200910189712 A CN 200910189712A CN 101664856 A CN101664856 A CN 101664856A
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- limit sensors
- rotating shaft
- flagpole
- spacing
- status signal
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Abstract
The invention relates to a rotating shaft position-limiting device with a sensor and a position-limiting method thereof. The rotating shaft position-limiting device with the sensor comprises a position-limiting flag post, a position-limiting sensor and a logic circuit connected with the position-limiting sensor; the position-limiting flag post is tightly fixed at a rotating shaft; the position-limiting sensor is fixed around the rotating shaft, and the position-limiting flag post can sufficiently shade the sensing point of the position-limiting sensor when rotating to the corresponding position of the position-limiting sensor; and the logic circuit is connected with a motion controller controlling the rotating shaft. The invention has compact design of rotating parts and light weight, canbe easily carried on other motion parts, and has low cost.
Description
Technical field
The present invention relates to a kind of rotating shaft stopping means and limit method thereof, relate in particular to and a kind ofly can realize main shaft electronic limit for the anglec of rotation in rotation process, is a kind of rotating shaft stopping means and limit method thereof of belt sensor.
Background technology
In the frame for movement of some rotations, the position of its rotation needs control, and because the influence of gas circuit and cable, main shaft is not done unlimited rotation, but actuating range but needs to cover 360 degree.Software dictates for example, motor rotating range+/-180 degree, but when the software operation error, or motor desynchronizing, motor may exceed rotating range, therefore needs a device to limit the anglec of rotation of motor.
In rotary head formula aluminum steel press welder, the rotation of nation's head is owing to be subjected to the influence of cable can not do unlimited rotation, but when motor desynchronizing, needs motor to stop immediately and reports to the police.
Once adopted in drive mechanism in traditional rotary head formula bonding equipment, and used a driving shaft to drag two driven shafts, these of two driven shafts are the rotating shafts that needs control, and another one is to be used for the rotating shaft of spacing detection specially.By different gearratios, to realize spacing control to the rotating shaft of main shaft.
Above She Ji shortcoming:
1. be that the rotating part rotary inertia strengthens owing to added a power transmission shaft;
2. whole part quality increases, and design is compact inadequately, can't re-use other parts and drag this parts;
3. cost is higher.
Summary of the invention
The present invention is directed to above-mentioned problems and correct, make product structure simple, compact to design, cost is low.
The present invention uses one group of sensor to cooperate a logic circuit to realize spacing to main axis rotation.When motor exceeded rotating range, logic circuit can be given signal of motion controller, and motion controller stops and reports to the police.
Concrete technical scheme is:
A kind of rotating shaft stopping means of belt sensor, it comprises spacing flagpole, limit sensors and the logic circuit that links to each other with limit sensors, described spacing flagpole is anchored on rotating shaft, described limit sensors is fixed on around the rotating shaft, when described spacing flagpole rotated to described limit sensors correspondence position, it enough covered the sensing points of described limit sensors; Described logic circuit connects the motion controller of control rotating shaft.
Described limit sensors is three adjacent limit sensors, described three limit sensors, and distance is less than the width of described spacing flagpole between the sensing points of two whenever adjacent limit sensors; Do not have two adjacent limit sensors sensing points between distance greater than the width of described spacing flagpole.
The angle that described spacing angle equals to form between the initial position of described centre position limit sensors sensing points and described spacing flagpole and the rotating shaft axle center adds the angle that forms between the above centre position limit sensors sensing points and adjacent limit sensors sensing points and the rotating shaft axle center.By the angle of sensor installation and the width of spacing flagpole, can adjust spacing angle.
The sensor sensing points that the position mediates in the described limit sensors and the initial position of described spacing flagpole and rotating shaft axle center are positioned at same straight line.This kind situation is applied in the situation that surpasses 180 degree rotations more.
It comprises the playback flagpole, and described playback flagpole corresponding position is fixed with the playback sensor.This kind structure can make main shaft get back to original position.
A kind of limit method of rotating shaft stopping means of above-mentioned belt sensor, described logic circuit triggers by following rule:
Described spacing flagpole is when start bit, and described limit sensors state and flag bit state are sky;
Described spacing flagpole cover simultaneously described in the middle of when limit sensors and clockwise previous limit sensors thereof Returning mark position state be clockwise status signal;
Described spacing flagpole cover simultaneously described in the middle of when limit sensors and a clockwise back limit sensors thereof Returning mark position state be counterclockwise status signal;
When clockwise status signal and counterclockwise status signal appearred in described flag bit state simultaneously, described logic circuit triggered the motion controller of rotating shaft, stops operating;
After clockwise status signal appears in described flag bit state, when the state of described middle limit sensors and clockwise previous limit sensors thereof is sky, remove clockwise status signal;
After counterclockwise status signal appears in described flag bit state, when the state of a described middle limit sensors and a clockwise back limit sensors thereof is sky, remove counterclockwise status signal.
Rotatable parts of the present invention are compact to design, and quality lightens, be easy to carry on other moving components, and with low cost.
Description of drawings
Fig. 1 is the structure side view of the embodiment of the invention;
Fig. 2 is the original state vertical view of the embodiment of the invention;
Fig. 3 covers a limit sensors schematic diagram for being rotated counterclockwise of the embodiment of the invention;
Fig. 4 covers two limit sensors schematic diagrames for being rotated counterclockwise of the embodiment of the invention;
Fig. 5 is rotated counterclockwise the excess revolutions view for the embodiment of the invention;
Fig. 6 is the normal playback view that is rotated counterclockwise of the embodiment of the invention;
Fig. 7 is the spacing decision logic figure of the present invention:.
Wherein: 1, limit sensors, 2, spacing flagpole, 3, the playback flagpole, 4, the playback sensor.
The specific embodiment
Describe the present invention by the following examples, should be noted that, cited embodiment should not understand the restriction to invention.
As shown in the figure: the rotating shaft stopping means of a kind of belt sensor of present embodiment, it comprises spacing flagpole 2, limit sensors 1 and the logic circuit that links to each other with limit sensors, described spacing flagpole 2 is anchored on rotating shaft, described limit sensors 1 is fixed on around the rotating shaft, when described spacing flagpole 2 rotated to described limit sensors 1 correspondence position, it enough covered the sensing points of described limit sensors 1; Described logic circuit connects the motion controller of control rotating shaft.
Described limit sensors is three adjacent limit sensors 1, described three limit sensors 1, and distance is less than the width of described spacing flagpole 2 between the sensing points of two whenever adjacent limit sensors 1; Do not have two adjacent limit sensors 1 sensing points between distance greater than the width of described spacing flagpole 2.
The angle that described spacing angle equals to form between the initial position of described centre position limit sensors 1 sensing points and described spacing flagpole 2 and the rotating shaft axle center adds the angle that forms between the above centre position limit sensors 1 sensing points and adjacent limit sensors 1 sensing points and the rotating shaft axle center.By the angle of sensor installation and the width of spacing flagpole, can adjust spacing angle.
The sensor sensing points that the position mediates in the described limit sensors 1 and the initial position of described spacing flagpole and rotating shaft axle center are positioned at same straight line.This kind situation is applied in the situation that surpasses 180 degree rotations more.
It comprises playback flagpole 3, and described playback flagpole 3 corresponding positions are fixed with playback sensor 4.This kind structure can make main shaft get back to original position.
A kind of limit method of rotating shaft stopping means of above-mentioned belt sensor, described logic circuit triggers by following rule:
Described spacing flagpole 2 is when start bit, and described limit sensors 1 state and flag bit state are sky;
Described spacing flagpole 2 cover simultaneously described in the middle of when limit sensors 1 and clockwise previous limit sensors 1 thereof Returning mark position state be clockwise status signal;
Described spacing flagpole 2 cover simultaneously described in the middle of when limit sensors 1 and a clockwise back limit sensors 1 thereof Returning mark position state be counterclockwise status signal;
When clockwise status signal and counterclockwise status signal appearred in described flag bit state simultaneously, described logic circuit triggered the motion controller of rotating shaft, stops operating;
After clockwise status signal appears in described flag bit state, when the state of described middle limit sensors and clockwise previous limit sensors thereof is sky, remove clockwise status signal;
After counterclockwise status signal appears in described flag bit state, when the state of a described middle limit sensors and a clockwise back limit sensors thereof is sky, remove counterclockwise status signal.
Rotatable parts of the present invention are compact to design, and quality lightens, be easy to carry on other moving components, and with low cost.
Obviously, foregoing is just in order to illustrate characteristics of the present invention, and is not limitation of the present invention, and the variation that the those of ordinary skill in relevant technologies field is made in the corresponding techniques field according to the present invention should belong to protection category of the present invention.
Claims (6)
1, a kind of rotating shaft stopping means of belt sensor, it is characterized in that: it comprises spacing flagpole, limit sensors and the logic circuit that links to each other with limit sensors, described spacing flagpole is anchored on rotating shaft, described limit sensors is fixed on around the rotating shaft, when described spacing flagpole rotated to described limit sensors correspondence position, it enough covered the sensing points of described limit sensors; Described logic circuit connects the motion controller of control rotating shaft.
2, the rotating shaft stopping means of a kind of belt sensor according to claim 1, its feature also is: described limit sensors is three adjacent limit sensors, described three limit sensors, distance is less than the width of described spacing flagpole between the sensing points of two whenever adjacent limit sensors; Do not have two adjacent limit sensors sensing points between distance greater than the width of described spacing flagpole.
3, the rotating shaft stopping means of a kind of belt sensor according to claim 1, its feature also is: the angle that described spacing angle equals to form between the initial position of described centre position limit sensors sensing points and described spacing flagpole and the rotating shaft axle center adds the angle that forms between the above centre position limit sensors sensing points and adjacent limit sensors sensing points and the rotating shaft axle center.
4, the rotating shaft stopping means of a kind of belt sensor according to claim 1, its feature also is: the sensor sensing points that the position mediates in the described limit sensors and the initial position of described spacing flagpole and rotating shaft axle center are positioned at same straight line.
5, the rotating shaft stopping means of a kind of belt sensor according to claim 1, its feature also is: it comprises the playback flagpole, described playback flagpole corresponding position is fixed with the playback sensor.
6, according to the limit method of the rotating shaft stopping means of any described a kind of belt sensor of claim 1-5, it is characterized in that described logic circuit triggers by following rule:
Described spacing flagpole is when start bit, and described limit sensors state and flag bit state are sky;
Described spacing flagpole cover simultaneously described in the middle of when limit sensors and clockwise previous limit sensors thereof Returning mark position state be clockwise status signal;
Described spacing flagpole cover simultaneously described in the middle of when limit sensors and a clockwise back limit sensors thereof Returning mark position state be counterclockwise status signal;
When clockwise status signal and counterclockwise status signal appearred in described flag bit state simultaneously, described logic circuit triggered the motion controller of rotating shaft, stops operating;
After clockwise status signal appears in described flag bit state, when the state of described middle limit sensors and clockwise previous limit sensors thereof is sky, remove clockwise status signal;
After counterclockwise status signal appears in described flag bit state, when the state of a described middle limit sensors and a clockwise back limit sensors thereof is sky, remove counterclockwise status signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189712 CN101664856B (en) | 2009-08-21 | 2009-08-21 | Rotating shaft position-limiting device with sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189712 CN101664856B (en) | 2009-08-21 | 2009-08-21 | Rotating shaft position-limiting device with sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101664856A true CN101664856A (en) | 2010-03-10 |
| CN101664856B CN101664856B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910189712 Expired - Fee Related CN101664856B (en) | 2009-08-21 | 2009-08-21 | Rotating shaft position-limiting device with sensor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502290A (en) * | 2011-11-21 | 2012-06-20 | 深圳翠涛自动化设备股份有限公司 | Roller-type feeding device |
| CN102990185A (en) * | 2012-10-23 | 2013-03-27 | 廖怀宝 | Rotating shaft resetting method of automatic soldering robot |
| CN103592895A (en) * | 2013-11-26 | 2014-02-19 | 北京经纬恒润科技有限公司 | Limiting type error correcting method and device, controller and servo control system |
| CN105994247A (en) * | 2016-07-14 | 2016-10-12 | 北京深远世宁科技有限公司 | Motor excessive-rotation-proof control device and control method thereof as well as laser bird repelling device |
| CN107272573A (en) * | 2016-04-06 | 2017-10-20 | 上海气焊机厂有限公司 | Automatically controlled stopping means and automatically controlled limit method and automatically controlled back to zero method |
| CN110587100A (en) * | 2019-10-11 | 2019-12-20 | 江西迈动智能装备有限公司 | Rotary welding head for lithium battery spot welding |
| CN114939792A (en) * | 2022-07-25 | 2022-08-26 | 沈阳机床(集团)有限责任公司 | Five-axis head C-axis rotation angle limiting method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444546A (en) * | 1980-09-19 | 1984-04-24 | Oximetrix, Inc. | Occlusion detection apparatus and method |
| US4523224A (en) * | 1982-12-27 | 1985-06-11 | Welch Allyn Inc. | Color filter wheel synchronizer |
| IT1245385B (en) * | 1991-03-28 | 1994-09-20 | Eniricerche Spa | IMPROVED PROCEDURE FOR THE PREPARATION OF MATURE POLYPEPTIDES |
| US5455397A (en) * | 1993-12-21 | 1995-10-03 | Honeywell Inc. | Zero reference rotation sense indicator |
| CN1571268A (en) * | 2004-04-29 | 2005-01-26 | 杭州中达电机有限公司 | Absolute zero control method and device for stepper motor |
| CN201584860U (en) * | 2009-08-21 | 2010-09-15 | 深圳市翠涛自动化设备有限公司 | Rotating shaft limit device with sensor |
-
2009
- 2009-08-21 CN CN 200910189712 patent/CN101664856B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502290A (en) * | 2011-11-21 | 2012-06-20 | 深圳翠涛自动化设备股份有限公司 | Roller-type feeding device |
| CN102990185A (en) * | 2012-10-23 | 2013-03-27 | 廖怀宝 | Rotating shaft resetting method of automatic soldering robot |
| CN103592895A (en) * | 2013-11-26 | 2014-02-19 | 北京经纬恒润科技有限公司 | Limiting type error correcting method and device, controller and servo control system |
| CN107272573A (en) * | 2016-04-06 | 2017-10-20 | 上海气焊机厂有限公司 | Automatically controlled stopping means and automatically controlled limit method and automatically controlled back to zero method |
| CN107272573B (en) * | 2016-04-06 | 2024-01-05 | 上海气焊机厂有限公司 | Electric control limiting device, electric control limiting method and electric control zeroing method |
| CN105994247A (en) * | 2016-07-14 | 2016-10-12 | 北京深远世宁科技有限公司 | Motor excessive-rotation-proof control device and control method thereof as well as laser bird repelling device |
| CN110587100A (en) * | 2019-10-11 | 2019-12-20 | 江西迈动智能装备有限公司 | Rotary welding head for lithium battery spot welding |
| CN114939792A (en) * | 2022-07-25 | 2022-08-26 | 沈阳机床(集团)有限责任公司 | Five-axis head C-axis rotation angle limiting method |
| CN114939792B (en) * | 2022-07-25 | 2022-11-01 | 沈阳机床(集团)有限责任公司 | Five-axis head C-axis rotation angle limiting method |
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| Publication number | Publication date |
|---|---|
| CN101664856B (en) | 2013-05-22 |
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Address after: 518055 Guangdong province Baoan District Dalang Street Community wave Shenzhen Huarong Ludetai science and Technology Industrial Park eighth building a layer to four Applicant after: Shenzhen June's Automation Equipment Co., Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town Pearl Road No. 142 Zhongguan honghualing industrial district building four floor East Applicant before: Shenzhen Cuitao Automation Equipment Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHENZHEN CUITAO AUTOMATION EQUIPMENT CO., LTD. TO: SHENZHEN JUNE'S AUTOMATION EQUIPMENT CO., LTD. |
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Granted publication date: 20130522 Termination date: 20200821 |