CN208642751U - Hulling rubber roller non-contact measurement structure and a kind of hulling machine - Google Patents
Hulling rubber roller non-contact measurement structure and a kind of hulling machine Download PDFInfo
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- CN208642751U CN208642751U CN201820961599.9U CN201820961599U CN208642751U CN 208642751 U CN208642751 U CN 208642751U CN 201820961599 U CN201820961599 U CN 201820961599U CN 208642751 U CN208642751 U CN 208642751U
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Abstract
The utility model provides hulling rubber roller non-contact measurement structure and a kind of hulling machine, including measuring fixed plate, movable plate electrode electrode, air capacitance monitor, stator electrode, PLC controller, movable plate electrode electrode is placed between the wheel hub of rubber roller and rubber layer, movable plate electrode electrode is fixedly connected with wheel hub, it is opposite with wheel hub to measure fixed plate, measurement fixed plate is electrically connected with movable plate electrode electrode, it is connect on the inside of air capacitance monitor and measurement fixed plate, stator electrode contacts electrical connection with movable plate electrode electrode, stator electrode and measurement fixed plate are connect with AC power source both ends respectively, it measures fixed plate and movable plate electrode electrode forms current loop, series rectifier measuring circuit in current loop, PLC controller is electrically connected with rectification measuring circuit.The utility model can guarantee that two rubber roll shafts are parallel, realize that the optimum distance of two rubber rollers and optimum speed are poor, and moving distance error is small, and accuracy is high, improve husking yield and yield.
Description
Technical field
The utility model relates to agricultural hulling machine technical field more particularly to hulling rubber roller non-contact measurement structure and
A kind of hulling machine.
Background technique
Hulling machine is very important machine in modern grain and oil processing environment, is mainly used for cereal shelling production ring
Section.Existing hulling machine can not carry out on-line measurement to rubber roller in real time, and the hulling machine working time is longer in actual production process, husking
The machine rubber roller rate of wear is very fast, will replace rubber roller within general three days, while also wanting timing shift speed change, guarantees speed rolling
Linear speed is poor, linear speed and remains unchanged.But due to being that timing is shifted gears and gear speed is unable to step-less adjustment, approximate it can only guarantee at present optimal
Speed.Existing hulling machine exists as following drawbacks: newly driving a rubber by two synchronous hydraulic cylinders movements for hulling machine at present
Rubber roller is done to another rubber rollers close to movement, but it is parallel not can guarantee two rubber roll shafts, and moving distance error is big, not smart
Really；Fast roller makes slow rollers speed become faster by grain of rice effect, and fast roller speed is slack-off, and two roller instantaneous velocitys have fluctuation, this is for de-
Shell rate and yield seriously affect；Due to having abrasion when the operation of two rollers, and the two roller radius degrees of wear have difference, cause
Two rollers surface relative linear velocity in the case where revolving speed is constant changes.Therefore, needing one kind being capable of automatic measurement rubber roller mill
Damage amount and the New Rice Huller for changing linear speed in real time.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide hulling rubber roller non-contact measurements
Method and contactless rubber roller measure hulling machine, by two rubber roller diameter of real-time monitoring, carry out the adjusting of two rubber roller level pressure and speed
Degree is adjusted, and realizes that the optimum distance of two rubber rollers and optimum speed are poor.
The utility model provides hulling rubber roller contactless measurement, comprising the following steps:
Measurement capacitor is calculated, PLC controller obtains unit fixed plate and forms current loop with corresponding unit movable plate electrode
Electric current is measured, and the capacitor between the unit fixed plate and corresponding unit movable plate electrode is calculated according to the measurement electric current, is obtained
Capacitor must be measured；
Calculate rubber layer thickness, the sky containing husk dust that the PLC controller is monitored according to air capacitance monitor
The distance between gas dielectric constant, the measurement capacitor, the unit fixed plate and corresponding unit movable plate electrode calculate rubber layer
Thickness；
Compensated distance, the PLC controller calculates rubber layer radius by the rubber layer thickness, according to the rubber layer
Radius carries out compensated distance to rubber roller.
It further, further include step adjustment revolving speed, the PLC controller calculates rubber layer by the rubber layer thickness
Radius calculates current linear velocity according to the rubber layer radius and current rotating speed, adjusts rubber roller according to the current linear velocity and drives
Dynamic motor speed；It further include that step level pressure is adjusted, the PLC controller adjusts pneumatic Prossure fixing mechanism according to the rubber layer radius
Pressure.
Further, the step adjustment revolving speed further includes the PLC controller by circumferential uniform point along the rubber roller
Rubber roller described in time of contact threshold calculations drives between the movable plate electrode number of electrodes of cloth and the unit movable plate electrode and tile electrode
The rotating speed of target of motor adjusts the rubber roller driving motor revolving speed according to the rotating speed of target.
Further, the dielectric constant of air calculating process containing husk dust are as follows: supervised by the air capacitor
It surveys device measurement and obtains air capacitor, the opposite dielectric containing husk dusty air is calculated according to the air capacitor and vacuum capacitance
Constant calculates the dielectric constant of air containing husk dust according to the relative dielectric constant and permittivity of vacuum.
Hulling rubber roller non-contact measurement structure, including measurement fixed plate, movable plate electrode electrode, air capacitance monitor,
Stator electrode, PLC controller, the movable plate electrode electrode are placed between the wheel hub of rubber roller and rubber layer, the movable plate electrode electrode with
The wheel hub is fixedly connected, and the measurement fixed plate is opposite with the wheel hub, the measurement fixed plate and the movable plate electrode electrode
It is connect on the inside of electrical connection, the air capacitance monitor and the measurement fixed plate, the stator electrode and movable plate electrode electricity
Pole contact electrical connection, the stator electrode and the measurement fixed plate are connect with AC power source both ends respectively, and pole is determined in the measurement
Plate and the movable plate electrode electrode form current loop, series rectifier measuring circuit in the current loop, the PLC controller with
The rectification measuring circuit electrical connection.
Further, the measurement fixed plate includes fixed plate support frame, fixed plate measures bus, several units determine pole
Plate, the measurement fixed plate are fixedly connected by the fixed plate support frame with whole frame, and the fixed plate measurement bus is set
In the measurement fixed plate outer surface, several unit fixed plates are sequentially connected in series, and are placed in the measurement fixed plate inner surface,
The unit fixed plate is opposite with the wheel hub, and the fixed plate measurement bus is electrically connected with the unit fixed plate, the list
Position fixed plate is electrically connected with the movable plate electrode electrode, and the measurement fixed plate axis is parallel with the hub axis.
Further, several movable plate electrode electrodes are along the circumferentially-spaced distribution of the wheel hub.
Further, the movable plate electrode electrode includes several unit movable plate electrodes, and several unit movable plate electrodes are sequentially connected in series,
And be axially distributed along the wheel hub, the unit movable plate electrode and the unit fixed plate correspond.
Further, the unit movable plate electrode and the unit fixed plate are by flexible dielectric substrate and foil electrode group
At the flexible dielectric substrate surrounds the cavity of top surface opening, and the foil electrode is placed in the top surface of the cavity, the aluminium foil
A side of electrode is equipped with pole plate series circuit, passes through the pole between the unit movable plate electrode or between the unit fixed plate
Plate series circuit is sequentially connected in series.
Further, the measurement fixed plate and the movable plate electrode electrode further include electric field shielding grid, the electric field
Shield grid package unit movable plate electrode side and or unit fixed plate side.
Further, electric field shielding grid package unit movable plate electrode bottom surface and or the unit determine pole
Board bottom face.
Further, the stator electrode includes tile electrode, electrode holder, conductive bus, and the stator electrode is logical
The electrode holder is crossed to be fixedly connected with whole frame, the tile electrode be placed in the movable plate electrode electrode and the wheel hub it
Between, the tile electrode is fixed on the electrode holder end by connector, and contacts with the unit movable plate electrode, described
Conductive bus is fixed on the electrode holder, and AC power source is electrically connected by the conductive bus with the tile electrode.
A kind of hulling machine, including fixed roll mechanism, dynamic roller mechanism；The fixed roll mechanism, the dynamic roller mechanism include as above
Hulling rubber roller non-contact measurement structure is stated, the fixed roll mechanism further includes fixed roll driving motor, fixed roll wheel hub, fixed roll turn
Axis, fixed roll rubber layer, the dynamic roller mechanism further include dynamic roll drive motor, dynamic roller hub, dynamic roller shaft, dynamic roller rubber layer；Institute
Hulling rubber roller non-contact measurement structure is stated for monitoring the fixed roll rubber layer diameter and the dynamic roller rubber layer diameter, institute
It states fixed roll shaft to be fixedly connected with the fixed roll wheel hub, the fixed roll shaft is connect with the fixed roll driving motor, the fixed roll
Rubber layer is set in the fixed roll hub outside surface；The dynamic roller shaft and the admittedly dynamic connection of the dynamic roller hub, the dynamic roller turn
Axis is connect with the dynamic roll drive motor, and the dynamic roller rubber layer is set in the dynamic roller hub outside surface.
It further, further include pneumatic Prossure fixing mechanism, pneumatic oscillating-arm, the measurement fixed plate includes that pole is determined in dynamic roller measurement
Plate, the dynamic roller measurement fixed plate is opposite with the fixed roll wheel hub, and the stator electrode includes dynamic roller stator electrode, the dynamic roller
Stator electrode is fixedly connected with the dynamic roller hub surface, the dynamic roller measurement fixed plate, the dynamic roller stator electrode respectively with
Pneumatic oscillating-arm connection, the pneumatic Prossure fixing mechanism are fixedly connected with whole frame, pneumatic oscillating-arm bottom end shaft with it is whole
The connection of body gantry rotation, the pneumatic oscillating-arm intermediate bearing and the dynamic roller shaft cooperate, and pneumatic oscillating-arm top shaft connects
It connects block and pneumatic oscillating-arm top shaft is rotatablely connected, the pneumatic oscillating-arm top shaft link block and the pneumatic level pressure machine
The piston rod of structure is fixedly connected.
Compared with prior art, the utility model has the beneficial effects that:
The utility model provides hulling rubber roller contactless measurement, comprising the following steps: measurement capacitor is calculated,
PLC controller obtains unit fixed plate and forms the measurement electric current of current loop with corresponding unit movable plate electrode, and measures galvanometer
The capacitor between unit fixed plate and corresponding unit movable plate electrode is calculated, measurement capacitor is obtained；Calculate rubber layer thickness, PLC control
The dielectric constant of air containing husk dust that device is monitored according to air capacitance monitor, measurement capacitor, unit fixed plate with it is right
The distance between unit movable plate electrode answered calculates rubber layer thickness；Compensated distance, PLC controller calculate rubber by rubber layer thickness
Glue-line radius carries out compensated distance to rubber roller according to rubber layer radius.It is contactless that the utility model further relates to hulling rubber roller
Measurement structure and hulling machine.The utility model carries out two rubber roller compensated distances and speed by two rubber roller diameter of real-time monitoring
Degree is adjusted, and realizes that the optimum distance of two rubber rollers and optimum speed are poor；It can effectively prevent between electrode and rubber roller electric jamming shadow
The field distribution of pole plate is rung, measurement accuracy is high；It can guarantee that two rubber roll shafts are parallel, and moving distance error is small, accurately
Degree is high, avoids two roller instantaneous velocitys from fluctuating by adjustment speed, improves husking yield and yield.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the hulling machine overall structure front schematic view of the utility model；
Fig. 2 is the hulling machine overall structure schematic side elevation of the utility model；
Fig. 3 is the hulling machine overall structure schematic plan of the utility model；
Fig. 4 is dynamic (fixed) roller mechanism schematic diagram of the hulling machine of the utility model；
Fig. 5 is schematic diagram inside dynamic (fixed) roller mechanism of the hulling machine of the utility model；
Fig. 6 is dynamic (fixed) the roller mechanism partial schematic diagram one of the hulling machine of the utility model；
Fig. 7 is dynamic (fixed) the roller mechanism partial schematic diagram two of the hulling machine of the utility model；
Fig. 8 is the single pair capacitor plate line map of the utility model；
Fig. 9 is the measuring principle schematic diagram of the hulling machine of the utility model；
Figure 10 is fixed (dynamic) roller unit movable plate electrode schematic diagram of the hulling machine of the utility model；
Figure 11 is that fixed (dynamic) roller movable plate electrode electrode of the hulling machine of the utility model and fixed (dynamic) roller measure fixed plate signal
Property structure chart one；
Figure 12 is that fixed (dynamic) roller movable plate electrode electrode of the hulling machine of the utility model and fixed (dynamic) roller measure fixed plate signal
Property structure chart two；
Figure 13 is the hulling rubber roller contactless measurement flow chart of the utility model.
In figure: fixed roll mechanism 1, dynamic roller mechanism 2, fixed roll measurement fixed plate 1-1, dynamic roller measurement fixed plate 2-1, fixed roll determine pole
Plate bracing frame 1-1-1, dynamic roller fixed plate support frame 2-1-1, fixed roll fixed plate measurement bus 1-1-2, dynamic roller fixed plate measurement are total
Line 2-1-2, fixed roll unit fixed plate 1-1-3, dynamic roller unit fixed plate 2-1-3, fixed roll driving motor 1-2, dynamic roll drive motor
2-2, fixed roll air capacitance monitor 1-3, dynamic roller air capacitance monitor 2-3, fixed roll stator electrode 1-4, dynamic roller stator electrode
2-4, fixed roll tile electrode 1-4-1, dynamic roller tile electrode 2-4-1, fixed roll electrode holder 1-4-2, dynamic roller electrode holder 2-
4-2, fixed roll conductive bus 1-4-3, dynamic roller conductive bus 2-4-3, fixed roll movable plate electrode wheel hub 1-5, dynamic roller movable plate electrode wheel hub 2-5,
Fixed roll movable plate electrode electrode 1-5-1, dynamic roller movable plate electrode electrode 2-5-1, fixed roll wheel hub 1-5-2, dynamic roller hub 2-5-2, fixed roll unit
Movable plate electrode 1-5-3, dynamic roller unit movable plate electrode 2-5-3, foil electrode 1-5-3-1, flexible dielectric substrate 1-5-3-2, pole plate series connection
Route 1-5-3-3, electric field shielding grid 1-5-3-4, fixed roll shaft 1-6, dynamic roller shaft 2-6, fixed roll rubber layer 1-7, dynamic roller
Rubber layer 2-7, pneumatic Prossure fixing mechanism 3, pneumatic oscillating-arm 4, roller sheet separation air 5.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Hulling rubber roller non-contact measurement structure, including measurement fixed plate, movable plate electrode electrode, air capacitance monitor,
Stator electrode, PLC controller, as Figure 1-Figure 4, in the present embodiment, measurement fixed plate include fixed roll measurement fixed plate 1-1,
Dynamic roller measures fixed plate 2-1, and movable plate electrode electrode includes fixed roll movable plate electrode electrode 1-5-1, dynamic roller movable plate electrode electrode 2-5-1, air
Capacitance monitor includes fixed roll air capacitance monitor 1-3, dynamic roller air capacitance monitor 2-3, and stator electrode includes that fixed roll is fixed
Sub-electrode 1-4, dynamic roller stator electrode 1-4, fixed roll measurement fixed plate 1-1 is fixedly connected with whole frame (being not drawn into figure), fixed
Roller measurement fixed plate 1-1 is opposite with fixed roll wheel hub 1-5-2, in fixed roll air capacitance monitor 1-3 and fixed roll measurement fixed plate 1-1
Side connection, monitors the dielectric constant of roller sheet separation air 5, fixed roll stator electrode 1-4 is fixedly connected with whole frame, and and fixed roll
Movable plate electrode electrode 1-5-1 contact electrical connection, fixed roll measurement fixed plate 1-1 are electrically connected with fixed roll movable plate electrode electrode 1-5-1, and fixed roll is dynamic
Pad electrode 1-5-1 is placed between rubber roller wheel hub 1-5-2 and fixed roll rubber layer 1-7, fixed roll movable plate electrode electrode 1-5-1 and fixed roll wheel
Hub 1-5-2 is fixedly connected, and fixed roll stator electrode 1-4 and fixed roll measurement fixed plate 1-1 are connect with AC power source both ends respectively, fixed roll
It measures fixed plate 1-1 and fixed roll movable plate electrode wheel hub 1-5 and forms current loop；Dynamic roller measurement fixed plate 2-1 and whole frame are (in figure
Be not drawn into) solid dynamic connection, it is opposite with dynamic roller hub 2-5-2 to move roller measurement fixed plate 2-1, move roller air capacitance monitor 2-3 and
Connection on the inside of dynamic roller measurement fixed plate 2-1, monitors the dielectric constant of roller sheet separation air 5, moves roller stator electrode 2-4 and integrated machine
The admittedly dynamic connection of frame, and electrical connection is contacted with dynamic roller movable plate electrode electrode 2-5-1, move roller measurement fixed plate 2-1 and dynamic roller movable plate electrode electricity
Pole 2-5-1 electrical connection, dynamic roller movable plate electrode electrode 2-5-1 are placed between rubber roller wheel hub 2-5-2 and dynamic roller rubber layer 2-7, and it is dynamic to move roller
Pad electrode 2-5-1 is fixedly connected with dynamic roller hub 2-5-2, move roller stator electrode 2-4 and dynamic roller measurement fixed plate 2-1 respectively with
The connection of AC power source both ends moves roller measurement fixed plate 2-1 and dynamic roller movable plate electrode wheel hub 1-5 and forms current loop；In current loop
Series rectifier measuring circuit, PLC controller are electrically connected with the rectification measuring circuit.
In one embodiment, it is preferred that measurement fixed plate includes fixed plate support frame, fixed plate measurement bus, Ruo Gandan
Position fixed plate, as shown in fig. 4-5, it is solid by fixed roll fixed plate support frame 1-1-1 and whole frame that fixed roll measures fixed plate 1-1
Fixed connection, fixed roll fixed plate measurement bus 1-1-2 are placed in the fixed roll measurement outer surface fixed plate 1-1, several unit fixed plate 1-1-3
It is sequentially connected in series, is placed in fixed roll measurement fixed plate 1-1 inner surface, fixed roll fixed plate measures bus 1-1-2 and unit fixed plate 1-
1-3 electrical connection, fixed roll measurement fixed plate 1-1 inner surface is opposite with fixed roll wheel hub 1-5-2, and fixed roll measures fixed plate 1-1 and fixed roll
Movable plate electrode wheel hub 1-5 axis is parallel；Dynamic roller measurement fixed plate 2-1 is solid by dynamic roller fixed plate support frame 2-1-1 and whole frame
Dynamic connection, dynamic roller fixed plate measurement bus 2-1-2 are placed in the dynamic roller measurement outer surface fixed plate 2-1, several unit fixed plate 2-1-3
It is sequentially connected in series, is placed in dynamic roller measurement fixed plate 2-1 inner surface, moves roller fixed plate measurement bus 2-1-2 and unit fixed plate 2-
1-3 electrical connection, move roller measurement fixed plate 2-1 inner surface it is opposite with dynamic roller movable plate electrode wheel hub 2-5, move roller measurement fixed plate 2-1 and
Dynamic roller movable plate electrode wheel hub 2-5 axis is parallel.
In one embodiment, it is preferred that it is dynamic to move roller along the circumferentially-spaced distribution of wheel hub 1-5-2 by fixed roll movable plate electrode electrode 1-5-1
Pad electrode 2-5-1 is along the circumferentially-spaced distribution of wheel hub 2-5-2, the basic phase of abrasion of ordinary circumstance lower rubber roller side everywhere circumferential direction
Together, in order to reduce cost when specific design, fixed roll movable plate electrode electrode 1-5-1 or dynamic roller movable plate electrode electrode 2-5-1 can be only arranged
One.
In one embodiment, as shown in Figure 5, Figure 7, it is preferred that fixed roll movable plate electrode electrode 1-5-1 includes several fixed roll units
Movable plate electrode 1-5-3, several fixed roll unit movable plate electrode 1-5-3 are sequentially connected in series, and are axially distributed along wheel hub, fixed roll unit movable plate electrode 1-
5-3 and unit fixed plate 1-1-3 is corresponded, and strict guarantee is mutually aligned in rubber roller axis direction；Dynamic roller movable plate electrode electrode 2-
5-1 includes several dynamic roller unit movable plate electrode 2-5-3, and several dynamic roller unit movable plate electrode 2-5-3 are sequentially connected in series, and is axially divided along wheel hub
Cloth moves roller unit movable plate electrode 2-5-3 and unit fixed plate 1-1-3 and corresponds, and strict guarantee is mutually right in rubber roller axis direction
Together, rubber layer is worn unevenly in the axial direction, and the total length of fixed (dynamic) the roller movable plate electrode electrode 1-5-1 (1-5-2) of each is not
When change, the unit movable plate electrode number divided is more, and distribution of charges is more uniform, and the axial length of rubber roller is 250-300mm at present, often
A fixed (dynamic) roller unit movable plate electrode 1-5-3 (2-5-3) is 18mm along rubber roller axial width, therefore fixed (dynamic) roller unit can be moved pole
Plate 1-5-3 (2-5-3) quantity is set as 15 or so.
As shown in figs. 10-11, pole is determined in fixed roll unit movable plate electrode 1-5-3, dynamic roller unit movable plate electrode 2-5-3, fixed roll measurement
Plate 1-1, dynamic roller measurement fixed plate 2-1 are made of flexible dielectric substrate 1-5-3-2 and foil electrode 1-5-3-1, the present embodiment
In, flexible dielectric substrate 1-5-3-2 makes foil electrode 1- using high molecular material with a thickness of 5mm, flexible dielectric substrate 1-5-3-2
5-3-1 and rubber roller metal wheel hub 1-5-2 (2-5-2) insulate, and foil electrode 1-5-3-1 is with a thickness of 1mm, flexible dielectric substrate 1-5-
3-2 surrounds the cavity of top surface opening, and foil electrode 1-5-3-1 is placed in the top surface of cavity, and a side of foil electrode 1-5-3-1 is set
Have a pole plate series circuit 1-5-3-3, between fixed roll unit movable plate electrode 1-5-3, between dynamic roller unit movable plate electrode 2-5-3, fixed roll surveys
It is sequentially connected in series respectively by pole plate series circuit 1-5-3-3 between amount fixed plate 1-1, between dynamic roller measurement fixed plate 2-1, fixed roll
The foil electrode 1-5-3-1 of unit movable plate electrode 1-5-3 is opposite with the fixed roll measurement foil electrode 1-5-3-1 of fixed plate 1-1, moves roller
The foil electrode 1-5-3-1 of unit movable plate electrode 2-5-3 is opposite with the dynamic roller measurement foil electrode 1-5-3-1 of fixed plate 2-1, is formed
Capacitor, the spacing in the present embodiment between adjacent fixed roll unit movable plate electrode 1-5-3 or between adjacent dynamic roller unit movable plate electrode 2-5-3
D is 2mm or so, as shown in figure 12, it is preferred that fixed roll movable plate electrode electrode 1-5-1, dynamic roller movable plate electrode electrode 2-5-1, fixed roll measurement
Fixed plate 1-1, dynamic roller measurement fixed plate 2-1 further include electric field shielding grid 1-5-3-4, electric field shielding grid 1-5-3-
4 package unit movable plate electrode sides and unit fixed plate side prevent the electric field that electric jamming influences mutual pole plate between electrode from dividing
Cloth influences measurement accuracy.Preferably, it is dynamic to wrap up fixed roll movable plate electrode electrode 1-5-1, dynamic roller by electric field shielding grid 1-5-3-4
The bottom surface of pad electrode 2-5-1, fixed roll measurement fixed plate 1-1, dynamic roller measurement fixed plate 2-1, prevent rubber roller electric jamming from influencing
The field distribution of pole plate, influences measurement accuracy.
As Figure 6-Figure 7, it is preferred that fixed roll stator electrode 1-4 includes fixed roll tile electrode 1-4-1, electrode holder
1-4-2, conductive bus 1-4-3, fixed roll stator electrode 1-4 are fixedly connected by electrode holder 1-4-2 with whole frame, fixed roll
Tile electrode 1-4-1 is placed between fixed roll movable plate electrode electrode 1-5-1 and wheel hub, and fixed roll tile electrode 1-4-1 is solid by connector
Due to the end electrode holder 1-4-2, and when wheel hub 1-5-2 often turns to suitable position, fixed roll tile electrode 1-4-1 and fixed roll
Movable plate electrode electrode 1-5-1 contact, realizes conduction, and conductive bus 1-4-3 is fixed on electrode holder 1-4-2, and AC power source is logical
Conductive bus 1-4-3 is crossed to be electrically connected with fixed roll tile electrode 1-4-1；Dynamic roller stator electrode 2-4 includes dynamic roller tile electrode 2-4-
1, electrode holder 2-4-2, conductive bus 2-4-3 move roller stator electrode 2-4 and pass through electrode holder 2-4-2 and whole frame
It is fixedly connected, dynamic roller tile electrode 2-4-1 is placed between dynamic roller movable plate electrode electrode 2-5-1 and wheel hub, moves roller tile electrode 2-4-1
It is fixed on the end electrode holder 2-4-2 by connector, and when wheel hub 2-5-2 often turns to suitable position, fixed roll tile electricity
Pole 2-4-1 is contacted with dynamic roller movable plate electrode electrode 2-5-1, realizes conduction, and conductive bus 2-4-3 is fixed on electrode holder 2-4-2
On, AC power source is electrically connected by conductive bus 2-4-3 with dynamic roller tile electrode 2-4-1.
Hulling machine, as Figure 1-Figure 4, including fixed roll mechanism 1, dynamic roller mechanism 2, pneumatic Prossure fixing mechanism 3, pneumatic oscillating-arm 4；
Fixed roll mechanism 1 and dynamic roller mechanism 2 include above-mentioned hulling rubber roller non-contact measurement structure, and fixed roll mechanism 1 further includes fixed roll
Driving motor 1-2, fixed roll wheel hub 1-5-2, fixed roll shaft 1-6, fixed roll rubber layer 1-7, dynamic roller mechanism 2 further include dynamic roller driving electricity
Machine 2-2, dynamic roller hub 2-5-2, dynamic roller shaft 2-6, dynamic roller rubber layer 2-7；Hulling rubber roller non-contact measurement structure is used for
Fixed roll rubber layer 1-7 diameter and dynamic roller rubber layer 2-7 diameter are monitored, fixed roll shaft 1-6 and whole frame upper bearing (metal) cooperate, fixed roll
Shaft 1-6 is fixedly connected with fixed roll movable plate electrode wheel hub 1-5, fixed roll movable plate electrode wheel hub 1-5 include fixed roll movable plate electrode electrode 1-5-1,
Wheel hub 1-5-2, fixed roll shaft 1-6 are fixedly connected by bolt and nut with wheel hub 1-5-2, fixed roll shaft 1-6 by shaft coupling with
The 1-2 connection of fixed roll driving motor, fixed roll driving motor 1-2 drive fixed roll movable plate electrode wheel hub 1-5 rotation, and fixed roll measures fixed plate 1-
1 is fixedly connected with whole frame, and fixed roll measurement fixed plate 1-1 is opposite with fixed roll movable plate electrode wheel hub 1-5, the monitoring of fixed roll air capacitor
It is connect on the inside of device 1-3 and fixed roll measurement fixed plate 1-1, monitors the dielectric constant of roller sheet separation air 5, fixed roll stator electrode 1-4
It is fixedly connected with whole frame, and contacts electrical connection with the surface fixed roll movable plate electrode wheel hub 1-5, fixed roll measures fixed plate 1-1 and determines
Roller movable plate electrode wheel hub 1-5 electrical connection, fixed roll rubber layer 1-7 are set in the outer surface fixed roll movable plate electrode wheel hub 1-5, fixed roll stator electrode
1-4 and fixed roll measurement fixed plate 1-1 are connect with AC power source both ends respectively, and fixed roll measures fixed plate 1-1 and fixed roll movable plate electrode wheel
Hub 1-5 forms current loop；Dynamic roller shaft 2-6 and whole frame upper bearing (metal) cooperate, and move roller shaft 2-6 and dynamic roller movable plate electrode wheel hub
The admittedly dynamic connection of 2-5, moving roller movable plate electrode wheel hub 2-5 includes dynamic roller movable plate electrode electrode 2-5-1, wheel hub 2-5-2, and it is logical to move roller shaft 2-6
It crosses bolt and nut to be fixedly connected with wheel hub 2-5-2, dynamic roller shaft 2-6 is connect by shaft coupling with dynamic roll drive motor 2-2, and roller is moved
Driving motor 2-2 drives dynamic roller movable plate electrode wheel hub 2-5 rotation, moves the admittedly dynamic connection of roller measurement movable plate electrode and whole frame, moves roller and survey
It is opposite with dynamic roller movable plate electrode wheel hub 2-5 to measure fixed plate 2-1, moves in roller air capacitance monitor 2-3 and dynamic roller measurement fixed plate 2-1
Side connection, monitors the dielectric constant of roller sheet separation air 5, moves the admittedly dynamic connection of roller stator electrode 2-4 and whole frame, and with dynamic roller
The contact electrical connection of the movable plate electrode surface wheel hub 2-5, dynamic roller measurement fixed plate 2-1 are electrically connected with dynamic roller movable plate electrode wheel hub 2-5, move roller rubber
Glue-line 2-7 is set in the outer surface dynamic roller movable plate electrode wheel hub 2-5, and dynamic roller measurement fixed plate 2-1 is connect with pneumatic oscillating-arm 4, realizes
Dynamic roller mechanism 2 remains unchanged the dynamic roller measurement mutual spatial position fixed plate 2-1 and dynamic roller shaft 2-6 when swinging, i.e. guarantee pole plate
Between distance it is constant, dynamic roller stator electrode 2-4 connect with pneumatic oscillating-arm 4, guarantees to move roller stator electrode 2-4 when the dynamic swing of roller mechanism 2
Normally contact conduction with dynamic roller movable plate electrode electrode 2-5-1, move roller stator electrode 2-4 and dynamic roller measurement fixed plate 2-1 respectively with friendship
Both ends of power connection is flowed, PLC controller controls AC power source and opens, and moves roller measurement fixed plate 2-1 and dynamic roller movable plate electrode wheel hub 2-5
Current loop, series rectifier measuring circuit in current loop are formed, PLC controller is connect with rectification measuring circuit；Pneumatic level pressure
Mechanism 3 is fixedly connected with whole frame, and in the present embodiment, pneumatic Prossure fixing mechanism 3 is specially level pressure pneumatic cylinder, 4 bottom of pneumatic oscillating-arm
It holds shaft and whole frame to be rotatablely connected, can be freely rotated relative to whole frame, 4 intermediate bearing of pneumatic oscillating-arm and dynamic roller shaft
2-6 cooperation, 4 top shaft link block of pneumatic oscillating-arm and 4 top shaft of pneumatic oscillating-arm are rotatablely connected, and top shaft link block can phase
4 top shaft of pneumatic oscillating-arm is freely rotated, the piston rod of pneumatic oscillating-arm 4 top shaft link block and pneumatic Prossure fixing mechanism 3
It is fixedly connected.
Hulling rubber roller contactless measurement, as shown in figure 13, comprising the following steps:
In one embodiment, personnel are operated first to renew old rubber roller, then set time of measuring on the control panel
It is spaced T, starts to start hulling machine work, after running to time of measuring interval T, PLC controller controls AC power source and opens, phase
Circuit connection diagram is closed as shown in figure 8, due to each unit fixed plate 1-1-3 on fixed (dynamic) roller measurement fixed plate 1-1 (2-1)
(2-1-3) connects AC power source both ends with corresponding fixed (dynamic) roller both ends (2-5-3) unit movable plate electrode 1-5-3 respectively, therewith
The concatenated rectification measuring circuit of branch measures branch current size, and measurement electric current is transmitted to PLC controller, in the present embodiment,
Rectifying measuring circuit is specially full-bridge circuit.
Measurement capacitor is calculated, PLC controller obtains unit fixed plate 1-1-3 (2-1-3) and moves pole with corresponding fixed roll unit
Plate 1-5-3 or dynamic roller unit movable plate electrode 2-5-3 forms the measurement electric current of current loop, and determines pole according to measurement electric current unit of account
Capacitor between plate 1-1-3 (2-1-3) and corresponding fixed roll unit movable plate electrode 1-5-3 or dynamic roller unit movable plate electrode 2-5-3 obtains
Measure capacitor；As shown in Figure 6, Figure 7, when wherein one be ranked (dynamic) roller unit movable plate electrode 1-5-3 (2-5-3) due to rubber roller rotate from
When opening measurement zone, fixed (dynamic) roller movable plate electrode electrode 1-5-1 (2-5- of this (dynamic) roller unit movable plate electrode 1-5-3 (2-5-3) that is ranked
1) it is mutually disengaged and contacts with fixed (dynamic) roller tile electrode 1-4-1 (2-4-1), while next (dynamic) roller unit movable plate electrode 1-5- that is ranked
Fixed (dynamic) roller movable plate electrode electrode 1-5-1 (2-5-1) and fixed (dynamic) roller tile electrode 1-4-1 (2-4-1) of 3 (2-5-3) is mutually leaned on
Closely enter contact condition, realizes the measurement to fixed (dynamic) roller rubber layer 1-7 (2-7) corresponding in next row.
As shown in figure 9, fixed (dynamic) roller air capacitance monitor 1-3 (2-3) real-time monitoring contains Jie of husk dusty air
Electric constant εa, it is preferred that it is specially fixed roll air capacitance monitor 1-3 or the monitoring of dynamic roller air capacitor that step, which obtains dielectric constant,
Device 2-3 measurement obtains air capacitor Cx, pass through air capacitor and vacuum capacitance C0Calculate the opposite dielectric containing husk dusty air
Constant εr, according to relative dielectric constant εrWith permittivity of vacuum ε0Calculate the dielectric constant of air containing husk dust.It is specific public
Formula is as follows:
εr=Cx/C0
εa=ε0Cx/C0
Rubber layer thickness is calculated, PLC controller is according to fixed roll air capacitance monitor 1-3 or dynamic roller air capacitance monitor
2-3 monitoring the dielectric constant of air containing husk dust, measurement capacitor, unit fixed plate 1-1-3 (2-1-3) with it is corresponding fixed
The distance between roller unit movable plate electrode 1-5-3 or dynamic roller unit movable plate electrode 2-5-3 calculate rubber layer thickness；Since fixed (dynamic) roller is surveyed
Amount fixed plate 1-1 (2-1) is remained unchanged relative to fixed spatial position (dynamic) roller shaft 1-6 (2-6), so movable plate electrode and fixed plate
Spacing H=Ha+Hx is constant, and Ha is air layer thickness, and Hx is rubber layer thickness, it is known that the dielectric constant of this kind of rubber is εx, by
In capacitor calculation formula are as follows:
C=ε S/ (4 π kH)
ε=(εxHx+εaHa)/H
Wherein, ε is average dielectric constant, and S is two plate positive areas, and H is two distances between plates, and k is electrostatic force constant；And
The measurement capacitor obtained between two-plate also just obtains rubber layer thickness so Hx, Ha size finally can be obtained, to obtain glue
Roller current radius.In one embodiment, it is preferred that further include step adjustment revolving speed, PLC controller is calculated by rubber layer thickness
Rubber layer radius calculates current linear velocity according to rubber layer radius and current rotating speed, adjusts fixed roll driving according to current linear velocity
Motor 1-2 or dynamic roll drive motor 2-2 revolving speed guarantee that two rubber roller linear velocities are in optimised process value；The distance between two rubber rollers
It is to be opened by the grain of rice, it is preferred that further include that step level pressure is adjusted, PLC controller adjusts pneumatic level pressure according to rubber layer radius
The pressure of mechanism 3, so that the pressure of pneumatic Prossure fixing mechanism 3 and the grain of rice keep balancing to the pressure of two rubber rollers.
In one embodiment, it is preferred that step adjustment revolving speed further includes that PLC controller passes through along 1 circumferential direction of fixed roll mechanism
The fixed roll movable plate electrode electrode 1-5-1 quantity of even distribution or along the circumferential equally distributed dynamic roller movable plate electrode electrode 2-5-1 of dynamic roller mechanism 2
Time of contact threshold calculations are fixed between quantity and unit movable plate electrode and fixed roll tile electrode 1-4-1 or dynamic roller tile electrode 2-4-1
The rotating speed of target of roll drive motor 1-2 or dynamic roll drive motor 2-2 adjust fixed roll driving motor 1-2 or dynamic according to rotating speed of target
Roll drive motor 2-2 revolving speed.The current high-quality PLC current transformer response time is smaller than 1us, the response time of common mutual inductor
For 10~20ms, PLC controller overall response delay time is generally 10ms, in the present embodiment, in order to reduce cost, using PLC
Current transformer, response time tp are set as 10ms, and the current transformer response time, tg was set as 10ms, so control section postpones
Time t=tp+tg is 20ms, that is, requires each unit movable plate electrode 1-5-3
(2-5-3) and fixed (dynamic) roller tile electrode 1-4-1 (2-4-1) are kept in contact the time and are greater than equal to 20ms.And it hulls
Time formula required for paddy machine rubber roller turns around is 360 °/(n/60s*360 °), n is revolving speed, and rubber roller revolving speed changes formula:
360 °/(n/60s*360 °) >=z*t, wherein z is along the circumferential equally distributed fixed roll movable plate electrode electrode 1-5-1 number of fixed roll mechanism 1
It measures or along the circumferential equally distributed dynamic roller movable plate electrode electrode 2-5-1 quantity of dynamic roller mechanism 2, meets above formula just and can guarantee measurement activity
It is normally carried out.
More than, the only preferred embodiment of the utility model not makees limit in any form to the utility model
System；The those of ordinary skill of all industry can be shown in by specification attached drawing and above and swimmingly implement the utility model；But
It is that all those skilled in the art are not departing within the scope of technical solutions of the utility model, utilizes disclosed above skill
Art content and the equivalent variations of a little variation, modification and evolution made, are the equivalent embodiment of the utility model；Meanwhile
The variation, modification and evolution etc. of all substantial technological any equivalent variationss to the above embodiments according to the utility model,
Within the protection scope for still falling within the technical solution of the utility model.
Claims (10)
1. hulling rubber roller non-contact measurement structure, it is characterised in that: including measurement fixed plate, movable plate electrode electrode, air electricity
Hold monitor, stator electrode, PLC controller, the movable plate electrode electrode is placed between the wheel hub of rubber roller and rubber layer, the dynamic pole
Plate electrode is fixedly connected with the wheel hub, and the measurement fixed plate is opposite with the wheel hub, and the measurement fixed plate is moved with described
Pad electrode electrical connection, the air capacitance monitor are connect with measurement fixed plate inside, the stator electrode with it is described
The contact electrical connection of movable plate electrode electrode, the stator electrode and the measurement fixed plate are connect with AC power source both ends respectively, described
It measures fixed plate and the movable plate electrode electrode forms current loop, series rectifier measuring circuit in the current loop, the PLC
Controller is electrically connected with the rectification measuring circuit.
2. hulling rubber roller non-contact measurement structure as described in claim 1, it is characterised in that: the measurement fixed plate packet
Fixed plate support frame, fixed plate measurement bus, several unit fixed plates are included, the measurement fixed plate is supported by the fixed plate
Frame is fixedly connected with whole frame, and the fixed plate measurement bus is placed in the measurement fixed plate outer surface, several units
Fixed plate is sequentially connected in series, and is placed in the measurement fixed plate inner surface, the unit fixed plate is opposite with the wheel hub, described fixed
Pole plate measurement bus is electrically connected with the unit fixed plate, and the unit fixed plate is electrically connected with the movable plate electrode electrode, described
It is parallel with the hub axis to measure fixed plate axis.
3. hulling rubber roller non-contact measurement structure as described in claim 1, it is characterised in that: several movable plate electrode electricity
Pole is along the circumferentially-spaced distribution of the wheel hub.
4. hulling rubber roller non-contact measurement structure as claimed in claim 2, it is characterised in that: the movable plate electrode electrode packet
Several unit movable plate electrodes are included, several unit movable plate electrodes are sequentially connected in series, and are axially distributed along the wheel hub, and the unit moves pole
Plate and the unit fixed plate correspond.
5. hulling rubber roller non-contact measurement structure as claimed in claim 4, it is characterised in that: the unit movable plate electrode and
The unit fixed plate is made of flexible dielectric substrate and foil electrode, and the flexible dielectric substrate surrounds the chamber of top surface opening
Body, the foil electrode are placed in the top surface of the cavity, and a side of the foil electrode is equipped with pole plate series circuit, the list
It is sequentially connected in series between the movable plate electrode of position or between the unit fixed plate by the pole plate series circuit.
6. hulling rubber roller non-contact measurement structure as claimed in claim 5, it is characterised in that: the measurement fixed plate and
The movable plate electrode electrode further includes electric field shielding grid, electric field shielding grid package unit movable plate electrode side and
Or or unit fixed plate side.
7. hulling rubber roller non-contact measurement structure as claimed in claim 6, it is characterised in that: the electric field shielding grid
Net package unit movable plate electrode bottom surface and or unit fixed plate bottom surface.
8. hulling rubber roller non-contact measurement structure as claimed in claim 4, it is characterised in that: the stator electrode includes
Tile electrode, electrode holder, conductive bus, the stator electrode connect by the way that the electrode holder and whole frame are fixed
It connects, the tile electrode is placed between the movable plate electrode electrode and the wheel hub, and the tile electrode is fixed on by connector
The electrode holder end, and contacted with the unit movable plate electrode, the conductive bus is fixed on the electrode holder,
AC power source is electrically connected by the conductive bus with the tile electrode.
9. a kind of hulling machine, it is characterised in that: including fixed roll mechanism, dynamic roller mechanism；The fixed roll mechanism, the dynamic roller mechanism are equal
Including hulling rubber roller non-contact measurement structure a method as claimed in any one of claims 1-8, the fixed roll mechanism further includes fixed roll
Driving motor, fixed roll wheel hub, fixed roll shaft, fixed roll rubber layer, the dynamic roller mechanism further include dynamic roll drive motor, dynamic roller
Hub, dynamic roller shaft, dynamic roller rubber layer；The hulling rubber roller non-contact measurement structure is straight for monitoring the fixed roll rubber layer
Diameter and the dynamic roller rubber layer diameter, the fixed roll shaft are fixedly connected with the fixed roll wheel hub, the fixed roll shaft with it is described
The connection of fixed roll driving motor, the fixed roll rubber layer are set in the fixed roll hub outside surface；The dynamic roller shaft is moved with described
The admittedly dynamic connection of roller hub, the dynamic roller shaft are connect with the dynamic roll drive motor, and the dynamic roller rubber layer is set in described dynamic
Roller hub outside surface.
10. a kind of hulling machine as claimed in claim 9, it is characterised in that: further include pneumatic Prossure fixing mechanism, pneumatic oscillating-arm, institute
Stating measurement fixed plate includes that dynamic roller measures fixed plate, and the dynamic roller measurement fixed plate is opposite with the fixed roll wheel hub, the stator
Electrode includes dynamic roller stator electrode, and the dynamic roller stator electrode is fixedly connected with the dynamic roller hub surface, the dynamic roller measurement
Fixed plate, the dynamic roller stator electrode are connect with the pneumatic oscillating-arm respectively, and the pneumatic Prossure fixing mechanism is fixed with whole frame
Connection, pneumatic oscillating-arm bottom end shaft and whole frame are rotatablely connected, and the pneumatic oscillating-arm intermediate bearing and the dynamic roller turn
Axis cooperation, the pneumatic oscillating-arm top shaft link block and pneumatic oscillating-arm top shaft are rotatablely connected, the pneumatic oscillating-arm
Top shaft link block is fixedly connected with the piston rod of the pneumatic Prossure fixing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820961599.9U CN208642751U (en) | 2018-06-21 | 2018-06-21 | Hulling rubber roller non-contact measurement structure and a kind of hulling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820961599.9U CN208642751U (en) | 2018-06-21 | 2018-06-21 | Hulling rubber roller non-contact measurement structure and a kind of hulling machine |
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| Publication Number | Publication Date |
|---|---|
| CN208642751U true CN208642751U (en) | 2019-03-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820961599.9U Expired - Fee Related CN208642751U (en) | 2018-06-21 | 2018-06-21 | Hulling rubber roller non-contact measurement structure and a kind of hulling machine |
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| CN (1) | CN208642751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250194A (en) * | 2020-02-11 | 2020-06-09 | 武汉轻工大学 | Rice huller rubber roll constant line speed difference adjusting device and method and rice huller |
-
2018
- 2018-06-21 CN CN201820961599.9U patent/CN208642751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250194A (en) * | 2020-02-11 | 2020-06-09 | 武汉轻工大学 | Rice huller rubber roll constant line speed difference adjusting device and method and rice huller |
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