CN106181435A - Electric turntable and control method thereof - Google Patents
Electric turntable and control method thereof Download PDFInfo
- Publication number
- CN106181435A CN106181435A CN201610749736.8A CN201610749736A CN106181435A CN 106181435 A CN106181435 A CN 106181435A CN 201610749736 A CN201610749736 A CN 201610749736A CN 106181435 A CN106181435 A CN 106181435A
- Authority
- CN
- China
- Prior art keywords
- rotating disk
- main shaft
- electric turntable
- phase place
- zero
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
Abstract
The present invention relates to a kind of electric turntable, including main shaft, fixedly mount cored on main shaft, winding coil it is provided with on iron core, work card and rotating disk drain pan also it is rotatablely equipped with on main shaft, work card and rotating disk shell by relative circumferentially fixed in the way of connect, rotating disk shell is installed with the first permanent magnet, main shaft stretches out rotating disk drain pan from the side away from the card that works.This electric turntable eliminates the intermediate link of transmission, it is simple to improve the precision that rotating disk rotates.
Description
Technical field
The invention belongs to pottery molding, hard brittle material processing and the equipment technical field of general machining, particularly
Relate to a kind of electric turntable and rotational angle control method thereof.
Background technology
At pottery molding (throwing, rolling, centrifugal grouting etc.), hard brittle material attrition process, common product spraying, product machine
The fields such as the photography of device vision measurement, product, product 3D scanning, merchandise display often use to and is used for carrying and rotating product
Rotating disk.Disk operation rotating speed is typically from 0～400rpm, and prior art generally uses rated speed to be not less than the electricity of 1000rpm
Machine drives rotating disk to rotate, so including 3 parts after belt, gear, friction pulley or other drive mechanism slow down: motor,
Drive mechanism, scratch diskette and bearing block thereof.
Owing to turntable structure is complicated, cause production and working service relatively costly；Owing to there is intermediate transmission link, transmission
The efficiency of mechanism can not reach 100%, so can there is energy loss in intermediate transmission link, causes energy utilization rate relatively
Low；Owing to drive system generally there are drive gap or slippage, cause rotating speed to control inaccurate, do not possess high-precision angle control
Ability processed；Lack zero-point positioning function, it is impossible to start in desired location every time or stop；Lack overload protection means, occur to turn
The faults such as dish stall or phase shortage frequently result in motor damage.
Summary of the invention
The present invention provides electric turntable and control method thereof for overcoming technical problem present in prior art, and this is electronic
Rotating disk eliminates the intermediate link of transmission, it is simple to improve the precision that rotating disk rotates.
A kind of electric turntable, including main shaft, main shaft fixedly mounts cored, iron core is provided with winding coil, main shaft
On be also rotatablely equipped with work card and rotating disk drain pan, work card and rotating disk shell by relative circumferentially fixed in the way of connect,
Be installed with the first permanent magnet on rotating disk shell, rotating disk shell and rotating disk drain pan by relative circumferentially fixed in the way of connect, main
Axle stretches out rotating disk drain pan from the side away from work card.
By the form being set to fix by main shaft, rotating disk shell is set to the form rotated so that work card with
Rotating disk shell rotates realizing in the way of circumferentially fixed, thus eliminate the intermediate link of transmission, it is to avoid transmission process
In driving error, it is simple to realize high-precision rotating speed control, also improve transmission efficiency simultaneously, can save energy 10%～30%.
Preferably technical scheme, its supplementary features are: scratch diskette face includes that rotary case and chovr body, described chovr body set
Put between described rotary case and described rotating disk shell, with phase between described chovr body, described rotary case and described rotating disk shell
Circumferentially fixed mode is connected.
By work card is divided into rotary case and chovr body, it is simple to individually rotary case to be replaced by different shapes,
Such as circle, triangle, square or other irregular shapes, or change the surface of work card, such as, disc surfaces can
Not being plane, but make required three-dimensional profile according to specific product, such as custom-designed pit, projection, or coupling tool
The complex three-dimensional forms of body application profile.Thus reach to adapt to easily product design, and reduce the deposit kind of part
Class and quantity.
Described rotary case, described chovr body and the three of described rotating disk shell or adjacent both are one-body molded.
By by above three at least both are one-body molded, it is possible to reduce the quantity of part, improve the location of part
Precision, or improve the sealing property of electric turntable.
Preferably technical scheme, its supplementary features are: work card is one-body molded with rotating disk shell.
By by one-body molded with rotating disk shell for work card, can significantly reducing the quantity of part, and can carry
High positioning precision therebetween, improves the stability that work card rotates.
Further preferred technical scheme, its supplementary features are: chovr body is one-body molded with rotating disk shell.
By by one-body molded with rotating disk shell for chovr body, it is possible to achieve safer the fixing to rotary case.
Preferably technical scheme, its supplementary features are: scratch diskette face includes rotating disk portion and switching part, switching part and rotating disk
Portion is one-body molded.
Rotating disk portion and switching part are disk-shaped part, and the two is one-body molded, can significantly improve working (machining) efficiency, and
Improve the dimensional accuracy between each locating surface of part.
Preferably technical scheme, its supplementary features are: also include the flange installed for electric turntable, described flange
It is connected by hole is fixing with the extension of main shaft, and has and the connecting portion using equipment junction to match.
By flange, main shaft is installed, in that context it may be convenient to be fixed on equipment base by main shaft.
Preferably technical scheme, its supplementary features are: a part for main shaft is hollow part, install in hollow part stator around
The wire of group.
By the wire of stator winding being passed the hollow part of axle, solve the threading problem of the wire of stator winding, and
And can be with filling with sealant and install sealing ring additional between wire and axle inwall.For the waterproof demand of satisfied use, can coordinate face and
The method installing sealing ring and fluid sealant in axis hole additional, makes whole rotary tray motor possess the degree of protection being up to IP68.
Preferably technical scheme, its supplementary features are: also include zero detector, and zero detector includes setting
Put the null pick-up on iron core and with rotating disk shell by relative circumferentially fixed in the way of the triggering device that connects.
By arranging zero detector, it is possible to achieve for the zero-location control of the rotational angle of rotating disk, it is simple to by workpiece
It is placed to be in the work card of special angle.
Further preferred technical scheme, its supplementary features are: null pick-up is Hall element, trigger device
It it is the second permanent magnet.
By arranging Hall element and the second permanent magnet, can directly detect whether to be classified as zero-bit.
Further preferred technical scheme, its supplementary features are: be additionally provided with phase place Magnetic Sensor on stator.
By phase place Magnetic Sensor, in that context it may be convenient to coordinate with the second permanent magnet, to determine zero-bit.
Further preferred technical scheme, its supplementary features are: also include angular sensor, and the anglec of rotation passes
Sensor includes first to relatively rotate portion and second and relatively rotating portion in relative rotation, and first relatively rotates portion and rotating disk drain pan
The most circumferentially fixed connection, second relatively rotates portion's circumferentially fixed connection relative with main shaft.
Particularly the angular transducer with additionally detection is set when, null pick-up can be saved and trigger dress
Put.
A kind of control method of above-mentioned electric turntable,
Including, use null pick-up and phase place Magnetic Sensor to carry out zero point detection, the detection of its zero point and the method controlled
For: when zero testing is effective, by controller rotation rotating disk to required mechanical zero, controller record now three winding electricity
The phase place of stream；Operationally, control motor run to null pick-up effectively and three winding current phase places with zero point setting time
Unanimously so that rotating disk is now at mechanical zero when setting,
Use the method that null pick-up and phase place Magnetic Sensor carry out rotating disk angle calculation: with the phase place of rotating disk zero-bit be
Benchmark, three windings often change 2 π phase place correspondences and turn over certain angle, determine that rotating disk turns over according to the changing value of phase angle
Angle.
Preferably technical scheme, its additional technical feature is: when null pick-up is output as switching value curtage
During signal, so that the output of null pick-up sensor is high-order or low level signal is effective, when sensor be output as analog quantity electric current or
During voltage signal, enter with output signal and set range of signal as effectively.
Accompanying drawing explanation
Fig. 1 is the three-dimensional disassembly diagram of the embodiment of the present invention 1,
Fig. 2 is the sectional view of the embodiment of the present invention 1,
Fig. 3 is the partial sectional view of the embodiment of the present invention 2,
Fig. 4 is the partial sectional view of the embodiment of the present invention 3；
Fig. 5 is the partial sectional view of the embodiment of the present invention 4.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and describe in detail
As follows:
Embodiment 1:
Fig. 1 is the three-dimensional disassembly diagram of the embodiment of the present invention 1, and Fig. 2 is the sectional view of the embodiment of the present invention 1.In figure, each is attached
The implication that figure labelling represents is as follows；1, work card；2, rotating disk shell；3, permanent magnet；4, rotating disk drain pan；5, main shaft；6, iron core；
7, winding coil；8, phase place Magnetic Sensor；9, null pick-up；10, zero-bit triggers permanent magnet；11, angular sensor；
12, bearing.
A kind of electric turntable, including main shaft 5, main shaft 5 fixedly mounts cored 6, iron core 6 is provided with winding coil 7,
Also be rotatablely equipped with work card 1 and rotating disk drain pan 4 on main shaft 5, work card 1 with rotating disk shell with relative circumferentially fixed side
Formula connects, and rotating disk shell is installed with the first permanent magnet 3, and main shaft 5 stretches out rotating disk drain pan from the side away from work card 1
4。
By the form being set to fix by main shaft 5, rotating disk shell is set to the form rotated so that work card 1
Rotate realizing in the way of circumferentially fixed with rotating disk shell, thus eliminate the intermediate link of transmission, it is to avoid transmission
Driving error in journey.
Preferably, rotating disk can be designed as different shapes, such as circle, triangle, side from product to be processed matching part
Shape or other irregular shapes, or change the surface of work card, such as, disc surfaces can not be plane, but root
Make required three-dimensional profile according to specific product, such as custom-designed pit, projection, or mate answering of concrete application profile
Miscellaneous 3D shape, thus reach to adapt to easily the purpose of product design.
Preferably, also including zero detector, zero detector includes the null pick-up being arranged on iron core 6
9 and with rotating disk shell by relative circumferentially fixed in the way of the triggering device that connects.
By arranging zero detector, it is possible to achieve for the zero-location control of the rotational angle of rotating disk, it is simple to by workpiece
It is installed to be in the work card 1 of special angle.
When being not required to detect zero-bit or use the angular transducer of band zero testing such as application, desirable zero suppression level sensor 9 He
Corresponding triggering device.
Particularly, null pick-up 9 is Hall element, and triggering device is that zero-bit triggers permanent magnet 10.
Trigger permanent magnet 10 by arranging Hall element and zero-bit, can directly detect whether to be classified as zero-bit,
It is further preferred that be additionally provided with phase place Magnetic Sensor 8 on stator.
By phase place Magnetic Sensor 8, in that context it may be convenient to coordinate with the second permanent magnet, to determine zero-bit.
A part for main shaft 5 is hollow part, installs the wire of stator winding in hollow part.
By the wire of stator winding being passed the hollow part of axle, solve the threading problem of the wire of stator winding, and
And can be with filling with sealant and install sealing ring additional between wire and axle inwall.For the waterproof demand of satisfied use, can coordinate face and
The method installing sealing ring and fluid sealant in axis hole additional, makes whole rotary tray motor possess the degree of protection being up to IP68.
Further preferred, also include that angular sensor 11, angular sensor 11 include relatively turning
Dynamic first relatively rotates portion and second and relatively rotates portion, and first relatively rotates circumferentially fixed company relative with rotating disk drain pan 4 of portion
Connecing, second relatively rotates portion's circumferentially fixed connection relative with main shaft 5.
When required precision is higher, it is possible to use angular sensor 11 detects motor actual angle and carries out closed loop control
System.If application is not required to high precision closed loop control, angular sensor 11 can be cancelled.Particularly in setting, there is additionally inspection
The when of angular transducer 11 surveyed, null pick-up 9 can be saved and trigger device 10.
The when of using zero detector detection zero-bit, null pick-up 9 connects at the zero-bit triggering permanent magnet 10 of rotating disk
Have output time near, now can determine that rotating disk zero-bit.
Null pick-up 9 useful signal has two kinds of situations according to categories of sensors, when sensor is output as switching value electric current
Or during voltage signal, so that sensor output is high-order or low level signal is effective, when sensor is output as analog quantity curtage
During signal, it is effective for entering certain range of signal with output signal.
Use null pick-up 9 and phase place Magnetic Sensor 8 can carry out accurate zero point detection, the detection of its zero point and control
Method is: when zero testing is effective, by controller rotate rotating disk to required mechanical zero, controller record now three around
The current phase of group or the phase of output signal of phase place Magnetic Sensor；Operationally, control motor runs to null pick-up 9 has
The phase of output signal of effect and three winding phases or phase place Magnetic Sensor is consistent with during zero point setting, and rotating disk is now at setting
The mechanical zero of timing.
When being provided with phase place Magnetic Sensor 8 when, null pick-up 9 and phase place Magnetic Sensor 8 is used to carry out disc angle
The method that degree calculates: on the basis of the phase place of rotating disk zero-bit, three winding currents or phase place Magnetic Sensor often change 2 π phase places pair
Certain angle should be turned over, determine, according to the changing value of phase angle, the angle that rotating disk turns over.
Embodiment 2:
Fig. 3 is the partial sectional view of the embodiment of the present invention 2.In figure, the accompanying drawing that accompanying drawing used with above-described embodiment is identical
Labelling, still continues to use the above-described embodiment definition for this reference, and the implication that in figure, emerging reference represents is such as
Under: 101, rotary case；102, chovr body.
The present embodiment is with the difference of above-described embodiment:
Preferably, scratch diskette face includes rotary case 101 and chovr body 102, chovr body 102 with rotating disk shell 2 with relative week
Connecting to fixing mode, chovr body is rotatably installed on main shaft 5, and rotary case and chovr body pass through Flange joint.
By work card is divided into rotary case and chovr body, it is simple to changing product to be processed or rotating disk abrasion, becoming
Rotary case it is individually replaced during shape.
Embodiment 3:
Fig. 4 is the partial sectional view of the embodiment of the present invention 3.In figure, the accompanying drawing that accompanying drawing used with above-described embodiment is identical
Labelling, still continues to use the above-described embodiment definition for this reference.
The present embodiment is with the difference of embodiment 2: it is further preferred that chovr body 102 becomes with rotating disk shell 2 one
Type.
By by one-body molded with rotating disk shell 2 for chovr body 102, it is possible to achieve safer the fixing to rotary case.
Embodiment 4:
Fig. 5 is the partial sectional view of the embodiment of the present invention 4.In figure, the accompanying drawing that accompanying drawing used with above-described embodiment is identical
Labelling, still continues to use the above-described embodiment definition for this reference.
Preferably, work card 1 is one-body molded with rotating disk shell 2.
By by one-body molded with rotating disk shell 2 for work card 1, can significantly reduce the quantity of part, and permissible
Improve positioning precision therebetween, improve the stability that work card rotates.
Although the preferred embodiments of the present invention being described above in conjunction with accompanying drawing, but the invention is not limited in
The detailed description of the invention stated, above-mentioned detailed description of the invention is only schematically, is not restrictive, this area common
Technical staff, under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also may be used
To make a lot of form, such as: the most in the above-described embodiments, it is that the mode using magnetic realizes zero testing, the most all right
Using photoelectric sensor or the detection of other kinds of sensor, triggering thing now is not permanent magnet, but the shading of correspondence, anti-
Light, luminescence, mechanical activation device；2. angular sensor can use optical rotary encoder, Hall angular transducer, magnetic
Various types of rotation angle measurement elements such as grid angular transducer, capacitance type angle sensor；3. above-described embodiment is general
Use orientation be rotating disk upward, but as required, it is also possible to by rotating disk towards side, lower section or any direction use；The most above-mentioned
In embodiment, main shaft is directly used to install, it is also possible to spindle end to be processed into flange or increase adapter flange is installed；5. may be used
So that angular sensor is arranged on inside electric turntable, and can by angular sensor and rotating disk main shaft or iron core, turn
Disk casing or rotating disk drain pan carry out Integrated design.Within these belong to protection scope of the present invention.
Claims (10)
1. an electric turntable, it is characterised in that: include main shaft, described main shaft fixedly mounts cored, described iron core sets
It is equipped with winding coil, described main shaft is also rotatablely equipped with work card and rotating disk drain pan, described work card and rotating disk shell
Connect in the way of the most circumferentially fixed, described rotating disk shell be installed with the first permanent magnet, described rotating disk shell with turn
Shell of trying to get to the heart of a matter connects in the way of the most circumferentially fixed, and described main shaft stretches out at the bottom of described rotating disk from the side away from described work card
Shell.
Electric turntable the most according to claim 1, it is characterised in that: described scratch diskette face includes rotary case, chovr body, institute
State chovr body to be arranged between described rotary case and described rotating disk shell, outside described chovr body, described rotary case and described rotating disk
Connect in the way of the most circumferentially fixed between shell.
Electric turntable the most according to claim 2, it is characterised in that: described rotary case, described chovr body and described rotating disk
The three of shell or adjacent both are one-body molded.
Electric turntable the most according to claim 1, it is characterised in that: a part for described main shaft is hollow part, described sky
The wire of described winding coil is installed in heart portion.
Electric turntable the most according to claim 1, it is characterised in that: also include the flange installed for electric turntable,
Described flange is connected by hole is fixing with the extension of main shaft, and has and the connecting portion using equipment junction to match.
Electric turntable the most according to claim 1, it is characterised in that: it is additionally provided with phase place Magnetic Sensor on described stator.
Electric turntable the most according to claim 6, it is characterised in that: also including zero detector, described zero-bit is examined
Survey device include being arranged on the null pick-up on described iron core and with described rotating disk shell by relative circumferentially fixed in the way of even
The triggering device connect.
8. according to the electric turntable described in claim 1 or 6, it is characterised in that: also include angular sensor, described rotation
Angular transducer includes first to relatively rotate portion and second and relatively rotating portion in relative rotation, and described first relatively rotates portion
Circumferentially fixed connection relative with described rotating disk drain pan, described second relatively rotates circumferentially fixed company relative with described main shaft of portion
Connect.
9. the control method of the electric turntable described in a claim 7, it is characterised in that:
Including, use null pick-up and phase place Magnetic Sensor to carry out zero point detection, the method for the detection of its zero point and control is: when
When zero testing is effective, by controller rotation rotating disk to required mechanical zero, the electric current of controller record now three windings
Phase place or the phase of output signal of phase place Magnetic Sensor；Operationally, control motor and run to null pick-up effectively and three
The phase of output signal of winding current phase place or phase place Magnetic Sensor is consistent with during zero point setting, and rotating disk is now in when setting
Mechanical zero,
Use the method that null pick-up and phase place Magnetic Sensor carry out rotating disk angle calculation: with the phase place of rotating disk zero-bit as base
Standard, three windings or phase place Magnetic Sensor often change 2 π phase place correspondences and turn over certain angle, according to the changing value of phase angle
Determine the angle that rotating disk turns over.
The control method of electric turntable the most according to claim 9, it is characterised in that: when null pick-up is output as out
During the amount curtage signal of pass, so that the output of null pick-up sensor is high-order or low level signal is effective, when sensor exports
During for analog quantity curtage signal, enter with output signal and set range of signal as effectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749736.8A CN106181435A (en) | 2016-08-26 | 2016-08-26 | Electric turntable and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749736.8A CN106181435A (en) | 2016-08-26 | 2016-08-26 | Electric turntable and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106181435A true CN106181435A (en) | 2016-12-07 |
Family
ID=57526542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610749736.8A Pending CN106181435A (en) | 2016-08-26 | 2016-08-26 | Electric turntable and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106181435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498361A (en) * | 2017-08-24 | 2017-12-22 | 南京肯迈得机床制造有限公司 | Two-sided powered turntable |
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