CN102519506B - Encoder installation zero position automatic regulating device and using method thereof - Google Patents
Encoder installation zero position automatic regulating device and using method thereof Download PDFInfo
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- CN102519506B CN102519506B CN201110433011.5A CN201110433011A CN102519506B CN 102519506 B CN102519506 B CN 102519506B CN 201110433011 A CN201110433011 A CN 201110433011A CN 102519506 B CN102519506 B CN 102519506B
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Abstract
The invention relates to an encoder installation zero position automatic regulating device and a using method thereof. The device comprises a digital quantity input module used for being connected with a rotary encoder of an automatic control mechanism, a computer, a digital quantity output module, a stepping motor driver, a stepping motor, a worm gear, a worm and a universal magnetic force meter seat assembly. The worm gear is arranged on a hollow spindle of the rotary encoder and formed by mutually connecting a lower half worm gear and an upper half worm gear which are symmetrical, a meter seat of the universal magnetic force meter seat assembly is used for being fixed on the automatic control mechanism to be measured, the worm is movably sleeved in a shaft sleeve which is in close fit with the inside of an elastic hole clamp head of the universal magnetic force meter seat assembly, the elastic hole clamp head is fixedly connected with the meter seat through a universal supporting arm, and the position of the elastic hole clamp head is suitable for enabling the front end of the worm to be meshed with the worm gear to control the stepping motor to drive the worm to rotate until the computer judges that the rotary encoder achieves the zero position and stops.
Description
Technical field
The present invention relates to the field of mechanical automation control, particularly a kind of encoder installation zero position automatic regulating device of automatic controls and using method thereof.
Background technology
Generally the automatic controls with rotating shaft in use needs to utilize rotary encoder to detect the angle of rotating shaft, the a certain part movement of automatic controls that (is generally zero position) in the time that rotating shaft angle is particular value is to a certain specific position, be mechanism kinematic while arriving this position, just in time export zero signal with the rotary encoder of rotating shaft coaxial rotating; The mounting means of the rotary encoder on automatic controls: the hollow rotating shaft of described rotary encoder is connected with the rotating shaft transmission of tested automatic controls; The housing of rotary encoder is located on the installing plate of described tested automatic controls by an elastic support.
In order to make the output signal of rotary encoder and the rotating shaft of automatic controls collaborative, the automatic controls with rotating shaft needs rotary encoder first to get back to zero point as last in work, as the starting point of working.
Because rotary encoder may be parked in circumferencial direction optional position in installation process, conventionally in order to make rotary encoder can rest in zero-bit, what generally need break encoder rotating shaft and mechanism rotating shaft is connected that (scrambler rotating shaft is rotatable, and mechanism's rotating shaft is motionless), the rotating shaft of hand-turning scrambler is until output zero signal, owing to needing the rotating shaft by the hollow rotating shaft of described rotary encoder and tested automatic controls to be fixedly linked simultaneously, therefore wayward its precision.That is: traditional manual setting method be difficult to scrambler rotating shaft fast, accurately, zero dead stop reliably.
Summary of the invention
The technical problem to be solved in the present invention is to provide and mounts and dismounts easy, higher encoder installation zero position automatic regulating device and the using method thereof of adjustment precision.
For solving the problems of the technologies described above, the invention provides a kind of encoder installation zero position automatic regulating device, it comprises: for connecting digital quantity input module, the computing machine being connected with this digital quantity input module, the digital output module being connected with the control signal output terminal of this computing machine, the stepper motor driver being connected with this digital output module, the stepper motor being connected with this stepper motor driver, worm gear, worm screw and the universal magnetic gauge stand assembly of signal output part of rotary encoder of an automatic controls.
Worm gear is located at the hollow rotating shaft of described rotary encoder for fixed cover, this worm gear is connected to each other and is formed by upper and lower half worm gear of symmetry.
The gauge stand of described universal magnetic gauge stand assembly is used for being fixed on described tested automatic controls, and described worm screw is movably set in an axle sleeve, and the leading portion portion of this axle sleeve tightly fits in the springhole chuck of described universal magnetic gauge stand assembly; Springhole chuck is fixedly connected with described gauge stand by Universal support arm; The position of described springhole chuck is suitable for making the front end of described worm screw to be meshed with worm gear.
Described springhole chuck extends in the back segment portion of described axle sleeve, and the diameter of this back segment portion is greater than the diameter of described leading portion portion.
In order to make worm screw described above that radial and axial play not occur in axle sleeve, on worm screw and in the front end outside of described springhole chuck, be provided with the first Limit Bearing, on described worm screw and there is the limited step of an annular in the front side of described the first Limit Bearing, the external diameter of this limited step is greater than the internal diameter of the inner ring of the first Limit Bearing, and is less than the internal diameter of the outer ring of the first Limit Bearing; Before and after on worm screw in the back segment portion of described axle sleeve, be provided with the first back-up ring and the second Limit Bearing; On described axle sleeve and in the rear side of the second Limit Bearing, be provided with successively the second back-up ring and set nut.
When set nut locking, the inner ring of the first Limit Bearing and described limited step are adjacent to, and the front end face of the outer ring of the first Limit Bearing and described springhole chuck is adjacent to; The connecting portion of the front and rear sections portion of the leading flank of the first back-up ring and described axle sleeve is adjacent to, and the inside and outside circle of the second Limit Bearing is adjacent to described the second, first back-up ring respectively.
The rear end of described worm screw is in transmission connection by a shaft coupling and a stepper motor, and stepper motor is fixed on described axle sleeve;
When work, computer-controlled stepper motor action, and by driving worm screw to drive worm gear rotation, and then driving described hollow rotating shaft, simultaneous computer reads the output of described rotary encoder by described digital quantity input module and judges whether this rotary encoder arrives zero-bit; In the time that this this rotary encoder arrives zero-bit, control step motor stops.
The using method of above-mentioned encoder installation zero position automatic regulating device, comprises the following steps:
(a), the holding screw for the rotating shaft that connects tested automatic controls on the hollow rotating shaft of rotary encoder is unclamped, and upper and lower half worm wheel symmetrical wringing fit is located on described hollow rotating shaft;
(b), the gauge stand of described universal magnetic gauge stand assembly is fixed on described tested automatic controls, and regulate the orientation of Universal support arm, make the described springhole chuck of this Universal support arm end adjacent with worm gear, further finely tune this Universal support arm and the front end of described worm screw and worm gear are engaged with each other;
(c), the signal output part of described rotary encoder is connected with described digital quantity input module;
(d), computer-controlled stepper motor drives described worm screw, until computing machine records this rotary encoder while arriving zero-bit, control step motor stops;
(e), tighten the holding screw on described hollow rotating shaft, to reconnect the rotating shaft of fixing this hollow rotating shaft and tested automatic controls; Then remove successively described universal magnetic gauge stand assembly and worm gear, and disconnect the connecting line of described digital quantity input module and rotary encoder.
Tool of the present invention has the following advantages:
1, adjusting gear involved in the present invention and using method, adopt worm-and-wheel gear to adjust the hollow rotating shaft of rotary encoder to zero point fixing rotary encoder, because the stability of worm-and-wheel gear is higher, therefore be suitable for scrambler rotating shaft fast, accurately, zero dead stop reliably so that be connected and fixed described hollow rotating shaft and rotating shaft.Rotary encoder for different size only need provide supporting with it worm gear normally to work according to its hollow rotating shaft external diameter, and can drive described worm gearing by stepper motor in adjustment process, and versatility is stronger;
2, adjusting gear involved in the present invention and using method, has utilized endless screw transmission agent stable drive, advantage that precision is high, makes adjustment process precision high and be easy to control;
3, the each modular construction compactness of adjusting gear involved in the present invention, and using easy-disassembling-assembling universal magnetic gauge stand assembly as worm position and gesture correcting member make this device simple installation, convenient disassembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of encoder installation zero position automatic regulating device of the present invention;
Fig. 2 is the B-B sectional view of Fig. 1, is specifically related to the assembly structure schematic diagram of worm gear, worm screw;
Fig. 3 is the worm gear front view the present invention relates to;
Fig. 4 is the A-A sectional view of Fig. 1, is specifically related to the assembly structure schematic diagram of rotary encoder;
Fig. 5 is the C-C sectional view of Fig. 3.
Embodiment
In order to make, content of the present invention is easier to be understood, and according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below:
The mounting means of the rotary encoder on automatic controls: the hollow rotating shaft 4-1 of described rotary encoder is connected with rotating shaft 1 transmission of tested automatic controls; The housing 4-3 of rotary encoder 4 is located on the installing plate 2 of described tested automatic controls by an elastic support 4-2.
As Fig. 1-5, encoder installation zero position automatic regulating device of the present invention comprises: digital quantity input module, the computing machine being connected with this digital quantity input module, the digital output module being connected with the control signal output terminal of this computing machine, the stepper motor driver being connected with this digital output module, the stepper motor being connected with this stepper motor driver, worm gear 5, worm screw 6 and the universal magnetic gauge stand assembly 11 of compiling the signal output part of the rotary encoder 4 for connecting an automatic controls.
The gauge stand 11-1 of described universal magnetic gauge stand assembly 11 is used for being fixed on described tested automatic controls, and described worm screw 6 is movably set in an axle sleeve 7, and the leading portion portion of this axle sleeve 7 tightly fits in the springhole chuck 11-8 of described universal magnetic gauge stand assembly 11; Springhole chuck 11-8 is fixedly connected with described gauge stand 11-1 by Universal support arm 11-3; The position of described springhole chuck 11-8 is suitable for making the front end 6-1 of described worm screw 6 to be meshed with worm gear 5.
Described springhole chuck 11-8 extends in the back segment portion of described axle sleeve 7, and the diameter of this back segment portion is greater than the diameter of described leading portion portion.
On worm screw 6 and in the front end outside of described springhole chuck 11-8, be provided with the first Limit Bearing 12, on described worm screw 6 and there is the limited step 6-2 of an annular in the front side of described the first Limit Bearing 12, the external diameter of this limited step 6-2 is greater than the internal diameter of the inner ring of the first Limit Bearing 12, and is less than the internal diameter of the outer ring of the first Limit Bearing 12.
Before and after on worm screw 6 in the back segment portion of described axle sleeve 7, be provided with the first back-up ring 8-1 and the second Limit Bearing 8; On described axle sleeve 7 and in the rear side of the second Limit Bearing 8, be provided with successively the second back-up ring 8-2 and set nut 10.
When set nut 10 is locked, the inner ring of the first Limit Bearing 12 and described limited step 6-2 are adjacent to, and the front end face of the outer ring of the first Limit Bearing 12 and described springhole chuck 11-8 is adjacent to; The connecting portion 7-1 of the front and rear sections portion of the leading flank of the first back-up ring 8-1 and described axle sleeve 7 is adjacent to, and the inside and outside circle of the second Limit Bearing 8 is adjacent to described the second, first back-up ring 8-2,8-1 respectively.
The rear end of described worm screw 6 is in transmission connection by a shaft coupling 9 and a stepper motor 3, and stepper motor 3 is fixed on described axle sleeve 7.
When work, computer-controlled stepper motor 3 moves, and by driving worm screw 6 to drive worm gear 5 to rotate, and then driving described hollow rotating shaft 4-1, simultaneous computer reads the output of described rotary encoder 4 by described digital quantity input module and judges whether this rotary encoder 4 arrives zero-bit; In the time that this rotary encoder 4 arrives zero-bit, control step motor 3 stops.
When concrete enforcement, upper and lower half worm gear 5-1,5-2 are provided with the boss being mutually symmetrical, and this boss is provided with pair of bolts hole, so that upper and lower half worm gear 5-1,5-2 are connected and fixed by pair of bolts 5-3.In other embodiments, upper and lower half worm gear 5-1,5-2 are suitable for being connected or being fixedly connected with by fixture by magnetic each other.
The using method of the encoder installation zero position automatic regulating device in above-described embodiment 1, comprising:
The holding screw 4-4 for the rotating shaft 1 that connects tested automatic controls on the hollow rotating shaft 4-1 of rotary encoder 4 is unclamped, and it is upper that symmetrical to upper and lower half worm gear 5-1,5-2 wringing fit is located to described hollow rotating shaft 4-1, make described hollow rotating shaft 4-1 can with described worm gear 5 synchronous rotaries.
Tighten knob 11-9, described axle sleeve 7 is tightly fitted in the springhole chuck 11-8 of described universal magnetic gauge stand assembly 11; Turning handle 11-2, to " ON ", is fixed on described tested automatic controls the gauge stand 11-1 of universal magnetic gauge stand assembly 11;
Regulate the orientation of the Universal support arm 11-3 of magnetic stand assembly 11, make the described springhole chuck 11-8 of this Universal support arm 11-3 end adjacent with worm gear 5, further finely tune this Universal support arm 11-3 and the front end 6-1 of described worm screw 6 and worm gear 5 are engaged with each other;
The signal output part of described rotary encoder 4 is connected with described digital quantity input module;
Computer-controlled stepper motor drives described worm screw 6, until computing machine records this rotary encoder 4 while arriving zero-bit, control step motor 3 stops;
Tighten the holding screw 4-4 on described hollow rotating shaft 4-1, to reconnect the rotating shaft 1 of fixing this hollow rotating shaft 4-1 and tested automatic controls; Then remove successively described universal magnetic gauge stand assembly 11 and worm gear 5, and disconnect the connecting line of described digital quantity input module and rotary encoder 4.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And these belong to apparent variation that spirit of the present invention extended out or variation still among protection scope of the present invention.
Claims (2)
1. an encoder installation zero position automatic regulating device, is characterized in that comprising: for connecting digital quantity input module, the computing machine being connected with this digital quantity input module, the digital output module being connected with the control signal output terminal of this computing machine, the stepper motor driver being connected with this digital output module, the stepper motor being connected with this stepper motor driver, worm gear (5), worm screw (6) and the universal magnetic gauge stand assembly (11) of signal output part of rotary encoder (4) of a tested automatic controls;
Worm gear (5) is located at the hollow rotating shaft (4-1) of described rotary encoder (4) for fixed cover, by upper and lower half worm gear (5-1,5-2) of symmetry, be connected to each other forms this worm gear (5);
The gauge stand (11-1) of described universal magnetic gauge stand assembly (11) is for being fixed on described tested automatic controls, described worm screw (6) is movably set in an axle sleeve (7), and the leading portion portion of this axle sleeve (7) tightly fits in the springhole chuck (11-8) of described universal magnetic gauge stand assembly (11); Springhole chuck (11-8) is fixedly connected with described gauge stand (11-1) by Universal support arm (11-3); The position of described springhole chuck (11-8) is suitable for making the front end (6-1) of described worm screw (6) to be meshed with worm gear (5);
Described springhole chuck (11-8) extends in the back segment portion of described axle sleeve (7), and the diameter of this back segment portion is greater than the diameter of described leading portion portion;
Above and in the front end outside of described springhole chuck (11-8) be provided with the first Limit Bearing (12) worm screw (6), go up and have in the front side of described the first Limit Bearing (12) limited step (6-2) of an annular described worm screw (6), the external diameter of this limited step (6-2) is greater than the internal diameter of the inner ring of the first Limit Bearing (12), and is less than the internal diameter of the outer ring of the first Limit Bearing (12);
The upper front and back of worm screw (6) in the back segment portion of described axle sleeve (7) are provided with the first back-up ring (8-1) and the second Limit Bearing (8); Go up and be provided with successively the second back-up ring (8-2) and set nut (10) in the rear side of the second Limit Bearing (8) at described axle sleeve (7);
When set nut (10) locking, the inner ring of the first Limit Bearing (12) and described limited step (6-2) are adjacent to, and the front end face of the outer ring of the first Limit Bearing (12) and described springhole chuck (11-8) is adjacent to; The connecting portion (7-1) of the front and rear sections portion of the leading flank of the first back-up ring (8-1) and described axle sleeve (7) is adjacent to, and the inside and outside circle of the second Limit Bearing (8) is adjacent to described the second, first back-up ring (8-2,8-1) respectively;
The rear end of described worm screw (6) is in transmission connection by a shaft coupling (9) and a stepper motor (3), and stepper motor (3) is fixed on described axle sleeve (7);
When work, computer-controlled stepper motor (3) action, and by driving worm screw (6) to drive worm gear (5) rotation, and then driving described hollow rotating shaft (4-1), simultaneous computer reads the output of described rotary encoder (4) by described digital quantity input module and judges whether this rotary encoder (4) arrives zero-bit; In the time that this this rotary encoder (4) arrives zero-bit, control step motor (3) stops.
2. the using method of the encoder installation zero position automatic regulating device described in the claims 1, is characterized in that comprising the following steps:
(a), the holding screw (4-4) for the rotating shaft (1) that connects tested automatic controls on the hollow rotating shaft of rotary encoder (4) (4-1) is unclamped, and the symmetrical wringing fit of upper and lower half worm gear (5-1,5-2) is located on described hollow rotating shaft (4-1);
(b), the gauge stand (11-1) of described universal magnetic gauge stand assembly (11) is fixed on described tested automatic controls, and regulate the orientation of Universal support arm (11-3), make the described springhole chuck (11-8) of this Universal support arm (11-3) end adjacent with worm gear (5), further finely tune this Universal support arm (11-3) and the front end (6-1) of described worm screw (6) and worm gear (5) are engaged with each other;
(c), the signal output part of described rotary encoder (4) is connected with described digital quantity input module;
(d), computer-controlled stepper motor drives described worm screw (6), until computing machine records this rotary encoder (4) while arriving zero-bit, control step motor (3) stops;
(e), tighten the holding screw (4-4) on described hollow rotating shaft (4-1), to reconnect the rotating shaft (1) of fixing this hollow rotating shaft (4-1) and tested automatic controls; Then remove successively described universal magnetic gauge stand assembly (11) and worm gear (5), and disconnect the connecting line of described digital quantity input module and rotary encoder (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433011.5A CN102519506B (en) | 2011-12-21 | 2011-12-21 | Encoder installation zero position automatic regulating device and using method thereof |
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| CN201110433011.5A CN102519506B (en) | 2011-12-21 | 2011-12-21 | Encoder installation zero position automatic regulating device and using method thereof |
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| CN102519506A CN102519506A (en) | 2012-06-27 |
| CN102519506B true CN102519506B (en) | 2014-05-28 |
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| CN105806370A (en) * | 2014-12-30 | 2016-07-27 | 哈尔滨理工大学 | Automatic adjusting device for coder output signal compensation |
| CN110103015B (en) * | 2019-04-28 | 2020-06-19 | 西安交通大学 | Alignment device for aligning zero position of valve body of multi-path sample injection valve with zero position of grating code disc and use method of alignment device |
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| CN101673118A (en) * | 2009-09-24 | 2010-03-17 | 同济大学 | Combined type transmission variable-angle micrometric displacement regulation device |
| CN201555606U (en) * | 2009-12-11 | 2010-08-18 | 扬州市海力精密机械制造有限公司 | Zero point detecting device for encoder |
| CN101900580A (en) * | 2009-12-11 | 2010-12-01 | 扬州市海力精密机械制造有限公司 | Encoder zero-crossing detecting device and detecting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100677824B1 (en) * | 2006-04-19 | 2007-02-02 | (주)성헌 | Head with multi-shaft for machine tools |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673118A (en) * | 2009-09-24 | 2010-03-17 | 同济大学 | Combined type transmission variable-angle micrometric displacement regulation device |
| CN201555606U (en) * | 2009-12-11 | 2010-08-18 | 扬州市海力精密机械制造有限公司 | Zero point detecting device for encoder |
| CN101900580A (en) * | 2009-12-11 | 2010-12-01 | 扬州市海力精密机械制造有限公司 | Encoder zero-crossing detecting device and detecting method |
Non-Patent Citations (1)
| Title |
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| 姜衍仓，等.光电编码器在非圆齿轮滚齿加工自动对刀中的应用.《机械设计与制造》.2011, * |
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Effective date of registration: 20180205 Address after: 213119 Star Road, Star Road, Star Village, Hengshan Bridge Town, Wujin District, Changzhou, Jiangsu Province, No. 6 Patentee after: Changzhou Maite Motor Co. Ltd. Address before: 213011 No. 299 South Tongjiang Road, Tianning District, Jiangsu, Changzhou Patentee before: Changzhou Polytechnic College |
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