CN208695081U - Measurement sensor and self feed back automation compensation hulling machine - Google Patents
Measurement sensor and self feed back automation compensation hulling machine Download PDFInfo
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- CN208695081U CN208695081U CN201820545345.9U CN201820545345U CN208695081U CN 208695081 U CN208695081 U CN 208695081U CN 201820545345 U CN201820545345 U CN 201820545345U CN 208695081 U CN208695081 U CN 208695081U
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- 238000012545 processing Methods 0.000 claims description 37
- 241000209094 Oryza Species 0.000 claims description 34
- 235000007164 Oryza sativa Nutrition 0.000 claims description 34
- 235000009566 rice Nutrition 0.000 claims description 34
- 230000004044 response Effects 0.000 claims description 17
- 241000555745 Sciuridae Species 0.000 claims description 14
- 235000013339 cereals Nutrition 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 10
- 238000005299 abrasion Methods 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 13
- 230000003139 buffering effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
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- 230000008859 change Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Adjustment And Processing Of Grains (AREA)
Abstract
The utility model provides a kind of measurement sensor and self feed back automation compensation hulling machine, which includes: master reference and obstacle avoidance sensor, and master reference and obstacle avoidance sensor are set side by side；Wherein, anticollision mounting plate, anticollision cantilever crane, anticollision wheel shaft, anticollision suspension, anticollision arc-shaped permanent magnet, anticollision incudes mouse cage winding, anticollision induction electrode, collision avoiding caster and insulation fixing sleeve, anticollision cantilever crane is arranged at the top of anticollision mounting plate, anticollision suspension is arranged on anticollision cantilever crane, insulation fixing sleeve is set on anticollision suspension, anticollision wheel shaft one end is connected to anticollision suspension, the other end is connected to the wheel hub of collision avoiding caster, the measurement sensor can measure the linear resonance surface velocity of article for rotation, self feed back automation compensation hulling machine can automatically detect the abrasion condition of rubber roller, roll surfaces linear velocity is adjusted, the spacing of two rubber rollers is adjusted.
Description
Technical Field
The utility model belongs to the technical field of agricultural rice huller, more specifically relates to a measurement sensor and automatic compensation rice huller of self feedback.
Background
With the current population rise, the food supply demand is increasing. According to field investigation and the reaction of grain factory personnel, the key components used for shelling at present are two large rubber rollers with the same initial radius, the working condition of the rice huller is three shifts, and the rice huller continuously works for 24 hours, so that the rubber rollers are greatly abraded, the service life of the rubber rollers is generally changed once in 3-6 days, a person is required to manually adjust the distance between the rotating shafts of the two rubber rollers regularly, and the distance between the opposite surfaces of the two rubber rollers is strictly controlled, so that the shelling rate and the yield of rice are related. So traditional rice huller production efficiency is low, and product quality is unstable, operates inconveniently, needs personnel to guard in real time, brings a large amount of human resources's waste.
According to the related technical data and field investigation, the surface rotation speed difference V1-V2 of the two rubber rollers is required to be constant when the surface rotation speed difference V1-V2 is △ V, the output V1+ V2 is also required to be constant, and the distance between the opposite surfaces of the two rubber rollers is required to be constant.
The prior rice huller exists some drawbacks at present:
1) the existing new-generation rice huller drives one rubber roller to move close to the other rubber roller by means of movement of two synchronous hydraulic cylinders, but has the defects that the shafts of the two rubber rollers cannot be ensured to be parallel, and the error of the movement distance is large because the synchronous hydraulic cylinders have large errors during movement;
2) also, by consulting manufacturers, it is known that the fast roll may act by rice grains to increase the speed of the slow roll, while the fast roll is slower and there is a fluctuation in the instantaneous speed of the two rolls. This has a serious influence on the husking rate and yield
3) Because two rollers can wear during operation, and the radius wear degree of the two rollers can be different, the surface linear velocity of the two rollers can be changed under the condition that the rotating speed is not changed.
Therefore, it is necessary to design a novel automatic rice huller capable of automatically detecting the wear of the two rubber rollers and automatically compensating the distance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a measuring sensor and automatic compensation rice huller of self feedback, this measuring sensor can measure the surface linear velocity who rotates the object, and this automatic compensation rice huller of self feedback can the automated inspection rubber roll the wearing and tearing condition, adjusts rubber roll surface linear velocity, adjusts the interval of two rubber rollers.
In order to achieve the above object, according to an aspect of the present invention, there is provided a measurement sensor, including:
the system comprises a main sensor and an anti-collision sensor, wherein the main sensor and the anti-collision sensor are arranged in parallel;
wherein, the collision avoidance sensor includes: anticollision mounting panel, anticollision cantilever crane, anticollision shaft, anticollision suspension, anticollision arc permanent magnet, anticollision response squirrel cage winding, anticollision response electrode, crashproof gyro wheel and insulating fixed cover, the anticollision cantilever crane sets up anticollision mounting panel top, the anticollision suspension sets up on the anticollision cantilever crane, insulating fixed cover is established on the anticollision suspension, anticollision shaft one end connect in anticollision suspension, the other end connect in the wheel hub of anticollision gyro wheel, anticollision response squirrel cage winding reaches anticollision arc permanent magnet overlaps in proper order and establishes anticollision epaxial, anticollision response electrode set up in anticollision response squirrel cage winding both sides, one end is passed anticollision suspension reaches insulating fixed cover.
Preferably, the main sensor includes sensor housing, gyro wheel, measuring electrode, arc permanent magnet, squirrel-cage winding, screw sleeve, quill, the gyro wheel cover is located the one end of quill, the hub in the last one end connection of quill is established to squirrel-cage winding cover, the sensor housing cover is established the squirrel-cage winding is outside, measuring electrode connect in squirrel-cage winding both ends pass sensor housing, the arc permanent magnet sets up squirrel-cage winding with between the sensor housing, the screw sleeve is fixed in sensor housing bottom.
Preferably, the sensor further comprises an insulating shell, the insulating shell is sleeved outside the sensor shell, and the measuring electrode penetrates through the sensor shell and the insulating shell.
According to the utility model discloses an on the other hand provides a self feedback automatic compensation rice huller, and this self feedback automatic compensation rice huller includes:
the grain processing device comprises a fixed rubber roller and a movable compensation rubber roller, wherein the fixed rubber roller and the movable compensation rubber roller are arranged in parallel, and a grain processing space is reserved between the fixed rubber roller and the movable compensation rubber roller;
a movable bearing base on which the movement compensation rubber roller is disposed;
the measuring device comprises a first measuring module and a second measuring module, wherein the first measuring module and the second measuring module respectively comprise a transverse threaded rod, a longitudinal sliding rod, a threaded sliding block, a sliding rod sliding block, an approximation servo motor, a transverse servo motor and the measuring sensor, one end of the longitudinal threaded rod penetrates through the threaded sliding block, the other end of the longitudinal threaded rod is connected to the approximation servo motor, one end of the longitudinal sliding rod penetrates through the sliding rod sliding block, one end of the transverse threaded rod is connected to the threaded sliding block, the other end of the transverse threaded rod penetrates through the sliding rod sliding block and is connected to the transverse servo motor, and the measuring sensor is arranged on;
one end of a longitudinal threaded rod of the first measuring module penetrates through the threaded sliding block to be connected to one end of the fixed rubber roller, and one end of a longitudinal sliding rod of the first measuring module penetrates through the sliding rod sliding block to be connected to the other end of the fixed rubber roller;
one end of a longitudinal threaded rod of the second measuring module penetrates through the threaded sliding block to be connected to one end of the movable compensation rubber roller, and one end of a longitudinal sliding rod of the second measuring module penetrates through the sliding rod sliding block to be connected to the other end of the movable compensation rubber roller;
on a first measuring module, the horizontal distance between the anti-collision sensor and the fixed rubber roller is smaller than the distance between the main sensor and the fixed rubber roller;
on a second measuring module, the horizontal distance between the anti-collision sensor and the mobile compensation rubber roller is smaller than the distance between the main sensor and the mobile compensation rubber roller
A processing module communicatively connected to the measurement sensor, the approximation servo motor, the lateral servo motor, and the movable bearing mount.
Preferably, the movable bearing mount comprises: the device comprises a first movable bearing frame, a second movable bearing frame, a connecting rod, a movable frame threaded slide block, a movable threaded lead screw, a movable servo motor, a movable slide block, a movable sliding rod, a limiting baffle and a limiting switch, wherein two ends of the movable compensation rubber roller are respectively connected to the top of the first movable bearing frame and the top of the second movable bearing frame, the connecting rod is connected with the first movable bearing frame and the second movable bearing frame, the movable frame threaded slide block is arranged at the bottom of the first movable bearing frame, the movable threaded lead screw is arranged in the movable frame threaded slide block, an output shaft of the movable servo motor is connected to the movable threaded lead screw, the movable servo motor is in communication connection with a processing module, the movable slide block is arranged at the bottom of the second movable bearing frame, the movable sliding rod is arranged in the movable slide block, and the limiting baffle is arranged at two ends of the movable sliding rod, the limit switch is arranged on the movable sliding block.
Preferably, the device further comprises a frame, wherein one end of the longitudinal sliding rod penetrates through the sliding rod sliding block, and the other end of the longitudinal sliding rod is connected to the frame.
Preferably, the measuring device further comprises a thin shaft frame, the thin shaft frame is arranged at the top of the transverse threaded rod, one end of the thin shaft frame is connected to the threaded sliding block, the other end of the thin shaft frame is connected to the sliding rod sliding block, the thin shaft frame penetrates through the sleeve shaft, and the measuring sensor is arranged on the thin shaft frame and the transverse threaded rod in a sliding mode.
Preferably, the device further comprises a coupler, wherein the coupler is arranged between the approaching servo motor and the longitudinal threaded rod and between the transverse threaded rod and the transverse servo motor.
Preferably, fixed rubber roller step motor and motion compensation rubber roller step motor, fixed rubber roller step motor can drive fixed rubber roller rotates, motion compensation rubber roller step motor can drive the motion compensation rubber roller rotates, fixed rubber roller step motor reaches motion compensation rubber roller step motor communication connect in processing module.
Preferably, the longitudinal threaded rod and the longitudinal sliding rod are arranged in parallel, the transverse threaded rod is perpendicular to the longitudinal threaded rod and the longitudinal sliding rod, and a bus of the fixed rubber roller, a bus of the movement compensation rubber roller and the transverse threaded rod are parallel to each other.
The beneficial effects of the utility model reside in that:
1) the measuring sensor measures the surface linear velocity of a rolling object through the setting of the main sensor, and the anti-collision roller preferentially contacts with the rolling object through the setting of the anti-collision sensor, so that the main sensor is prevented from sending collision or being damaged due to strong abrasion.
2) The self-feedback automatic compensation rice huller passes through the setting of horizontal threaded rod, the horizontal threaded rod of drive is close to fixed rubber roller or removal compensation rubber roller, collision sensor and main sensor contact with fixed rubber roller or removal compensation rubber roller in proper order, the displacement distance through detecting horizontal threaded rod detects the wearing and tearing volume of fixed rubber roller and removal compensation rubber roller, and then the position of removal compensation rubber roller is adjusted to the portable bearing base, the distance of control fixed rubber roller and removal compensation rubber roller, detect fixed rubber roller and removal compensation rubber roller surface linear velocity through measuring sensor, and then the rotational speed of fixed rubber roller and removal compensation rubber roller is adjusted to processing module, make the distance between fixed rubber roller and the removal compensation rubber roller invariable, the surface linear velocity of fixed rubber roller and removal compensation rubber roller is unanimous. Ensuring the hulling rate and the yield of the grains.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structure diagram of a self-feedback automatic compensation rice huller according to an embodiment of the present invention.
Fig. 2 shows a schematic block diagram of a measurement module according to an embodiment of the invention.
Fig. 3 shows a schematic structural exploded view of a main sensor according to an embodiment of the present invention.
Fig. 4 shows a schematic structural exploded view of a pre-crash sensor according to an embodiment of the present invention.
Fig. 5 shows a schematic structural exploded view of a movable bearing mount according to an embodiment of the present invention.
Fig. 6 shows a schematic diagram of the relevant geometric quantities of the self-feedback automated compensation rice huller according to an embodiment of the present invention.
Fig. 7 shows a self-feedback automatic compensation control method of the self-feedback automatic compensation rice huller according to an embodiment of the present invention.
Description of the reference numerals
1. A first measurement module; a second measurement module 2; 3. fixing the rubber roller; 4. moving the compensation rubber roller; 5. fixing a rubber roller stepping motor; 6. a step motor for moving the compensation rubber roller; 7. a movable bearing mount;
101. approaching to a servo motor; 102. a coupling; 103. a longitudinal threaded rod; 104. a threaded slider; 105. a collision avoidance sensor; 106. a creel; 107. a primary sensor; 108. a transverse servo motor; 109. a longitudinal slide bar; 110. a slide bar slider; 111. a transverse threaded rod;
1071. a roller; 1072. a measuring electrode; 1073. an arc-shaped permanent magnet; 1074. squirrel-cage winding; 10751. a shaft sleeve end cover; 10752. a quill; 1075. a sensor housing; 10753. an insulating housing; 10754. a threaded sleeve;
1051. an anti-collision arm support; 10511. an anti-collision wheel shaft; 10512. insulating fixed sleeves; 10513. an anti-collision suspension; 1052. an anti-collision induction electrode; 1053. anti-collision induction squirrel cage winding; 1054. anti-collision rollers; 1055. an anti-collision arc-shaped permanent magnet; 1056. a buffer torsion spring; 1057. an anti-collision mounting plate; 10571, a spring support plate; 10572. a small fixing hole; 10573. a large fixing hole; 10574. axially fixing the threaded hole; 10575. fixing the shaft pin; 10576. a limiting support plate; 10577. a swing arm shaft pin;
the device comprises a second movable bearing frame 71, a connecting rod 72, a first movable bearing frame 73, a movable threaded screw 74, a movable servo motor 75, a movable sliding rod 76, a limit baffle 761 and a limit switch 77.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
According to an aspect of the utility model provides a measuring sensor, this measuring sensor includes:
the main sensor and the anti-collision sensor are arranged in parallel;
wherein, collision avoidance sensor includes: anticollision mounting panel, anticollision cantilever crane, anticollision shaft, anticollision suspension, anticollision arc permanent magnet, anticollision response squirrel cage winding, anticollision response electrode, anticollision gyro wheel and insulating fixed cover, anticollision mounting panel bottom cover is established on horizontal threaded rod, anticollision cantilever crane sets up at anticollision mounting panel top, anticollision suspension sets up on anticollision cantilever crane, insulating fixed cover is established on anticollision suspension, anticollision shaft one end is connected in anticollision suspension, the other end is connected in the wheel hub of anticollision gyro wheel, anticollision response squirrel cage winding and anticollision arc permanent magnet overlap in proper order and are established on anticollision shaft, anticollision response electrode sets up in anticollision response squirrel cage winding both sides, anticollision suspension and insulating fixed cover are passed to one end.
Specifically, this measuring transducer is used for detecting the surface linear velocity of rolling object, the anticollision gyro wheel is preferred to contact with the rolling object during the use, anticollision gyro wheel drives anticollision shaft and anticollision response squirrel cage windage and rotates, anticollision response squirrel cage windage takes place relative displacement with crashproof arc permanent magnet, and then produce the electric current, and then confirm that anticollision transducer has contacted with the rolling object, then control main sensor is close to the rolling object with lower speed, measure the surface linear velocity of rolling object. Through collision avoidance sensor's setting, can remove to the object that awaits measuring with the fast speed drive main sensor at the removal initial stage, after collision avoidance sensor and the object that awaits measuring contact, reduce the drive speed, prevent that main sensor and the roll object that awaits measuring from sending high-speed collision, reduce the probability that main sensor damaged.
More preferably, the anti-collision sensor further comprises an anti-collision fixing shaft pin, an anti-collision limiting abutting plate, an anti-collision swing arm shaft pin, a buffering torsion spring and a spring abutting plate, the anti-collision arm support is hinged to the top of the anti-collision mounting plate through the anti-collision swing arm shaft pin, the anti-collision limiting abutting plate is arranged on one side of the anti-collision arm support, the anti-collision fixing shaft pin is arranged on the other side of the anti-collision arm support, is connected to the anti-collision mounting plate and.
Specifically, the anti-collision arm support is hinged to the anti-collision mounting plate, the anti-collision idler wheels can play a role in buffering when contacting rolling objects, transverse tension is applied to the bottom of the anti-collision arm support through the buffering torsion springs, the anti-collision limiting abutting plate is arranged on the other side of the anti-collision arm support, and then the swing space of the anti-collision arm support is limited, so that the measuring sensor is safer to use.
Specifically, the anticollision mounting panel is used for fixed crashproof sensor.
As preferred scheme, the main sensor includes the sensor casing, the gyro wheel, measuring electrode, the arc permanent magnet, squirrel-cage winding, the screw sleeve, the quill, the one end of quill is located to the gyro wheel cover, squirrel-cage winding cover is established and is established the wheel hub that one end was connected in the gyro wheel on the quill, the sensor casing cover is established outside squirrel-cage winding, measuring electrode connects in squirrel-cage winding both ends, pass the sensor casing, the arc permanent magnet sets up between squirrel-cage winding and sensor casing, the screw sleeve is fixed in sensor casing bottom.
Specifically, after the anti-collision sensor contacts with the rolling object, the driving main sensor contacts with the rolling object, the rolling object to be measured drives the roller to rotate through rotating friction, the roller drives the sleeve shaft and the squirrel-cage winding to rotate, the squirrel-cage winding rotates and the arc permanent magnet generates displacement, current is generated, measurement can be determined, and the surface linear velocity of the rolling object to be measured can be obtained through measuring and acquiring the rolling rotating speed.
In particular, the threaded sleeve is used to secure the primary sensor.
Preferably, the sensor further comprises an insulating shell, the insulating shell is sleeved outside the sensor shell, and the measuring electrode penetrates through the sensor shell and the insulating shell.
According to the utility model discloses an on the other hand provides a self feedback automatic compensation rice huller, and this self feedback automatic compensation rice huller includes:
the fixed rubber roller and the movable compensation rubber roller are arranged in parallel, and a grain processing space is reserved between the fixed rubber roller and the movable compensation rubber roller;
the movable bearing base is provided with a movable compensation rubber roller;
the device comprises a first measuring module and a second measuring module, wherein the first measuring module and the second measuring module respectively comprise a transverse threaded rod, a longitudinal sliding rod, a threaded slider, a sliding rod slider, an approximation servo motor, a transverse servo motor and a measuring sensor;
one end of a longitudinal threaded rod of the first measuring module penetrates through the threaded sliding block to be connected to one end of the fixed rubber roller, and one end of a longitudinal sliding rod of the first measuring module penetrates through the sliding rod sliding block to be connected to the other end of the fixed rubber roller;
one end of a longitudinal threaded rod of the second measuring module passes through the threaded sliding block and is connected to one end of the movable compensation rubber roller, and one end of a longitudinal sliding rod of the second measuring module passes through the sliding rod sliding block and is connected to the other end of the movable compensation rubber roller;
on the first measuring module, the horizontal distance between the anti-collision sensor and the fixed rubber roller is smaller than the distance between the main sensor and the fixed rubber roller;
on the second measuring module, the horizontal distance between the anti-collision sensor and the mobile compensation rubber roller is smaller than the distance between the main sensor and the mobile compensation rubber roller
And the processing module is in communication connection with the measuring sensor, the approaching servo motor, the transverse servo motor and the movable bearing base.
Specifically, in the actual use process, the optimal distance between the fixed rubber roller and the movable compensation rubber roller, the optimal surface linear velocity of the fixed rubber roller and the optimal surface linear velocity of the movable compensation rubber roller are determined according to the actual production condition.
At regular intervals, the driving approaching servo motor drives the transverse threaded rod to be close to the fixed rubber roller and the movable compensation rubber roller, when the main sensor is in contact with the fixed rubber roller and the movable compensation rubber roller, a current signal is generated, displacement information of the transverse threaded rod is recorded and acquired, and the abrasion loss of the fixed rubber roller and the movable compensation rubber roller can be obtained.
The main sensor is contacted with the fixed rubber roller and the movable compensation rubber roller, so that the surface linear velocities of the fixed rubber roller and the movable compensation rubber roller can be measured and obtained.
The processing unit adjusts the position of the movable compensation rubber roller through the movable bearing base based on the measured abrasion loss of the fixed rubber roller and the movable compensation rubber roller, and then the fixed rubber roller and the movable compensation rubber roller are kept at the optimal distance.
The processing unit ensures that the fixed rubber roller keeps the optimal surface linear velocity and the movable compensation rubber roller keeps the optimal surface linear velocity by adjusting the rotating speeds of the fixed rubber roller and the movable compensation rubber roller based on the surface linear velocities of the fixed rubber roller and the movable compensation rubber roller.
Preferably, the movable bearing base includes: first movable bearing frame, the second movable bearing frame, the connecting rod, movable frame screw slider, remove the screw lead screw, remove servo motor, remove the slider, the removal slide bar, limit baffle and limit switch, the both ends of removal compensation rubber roller are connected respectively in first movable bearing frame and second movable bearing frame top, first movable bearing frame and second movable bearing frame are connected to the connecting rod, movable frame screw slider sets up in first movable bearing frame bottom, it sets up in movable frame screw slider to remove the screw lead screw, the output shaft of removing servo motor connects in removing the screw lead screw, remove servo motor communication connection in processing module, it sets up in second movable bearing frame bottom to remove the slider, it sets up in removing the slider, limit baffle sets up in removing the slide bar both ends, limit switch sets up on removing the slider.
Specifically, the movable bearing base drives the movable threaded screw rod to rotate through the movable servo motor based on the abrasion loss of the fixed rubber roller and the movable compensation rubber roller obtained through measurement, then drives the first movable bearing frame and the second movable bearing frame to move, and adjusts the position of the movable compensation rubber roller. The fixed rubber roller and the movable compensation rubber roller are kept at the optimal distance.
The movable threaded screw rod and the movable servo motor which are positioned at the bottom of the first movable bearing frame play a driving role, and the movable threaded slide block, the movable slide rod, the limiting baffle and the limiting switch which are positioned at the bottom of the second movable bearing frame play a limiting role, so that the movable bearing base is prevented from moving beyond a controllable range to cause danger.
As the preferred scheme, still include the frame, vertical slide bar one end passes the slide bar slider, and the other end is connected in the frame.
As preferred scheme, still include the thin pedestal, thin pedestal sets up in horizontal threaded rod top, and one end is connected in the screw slider, and the other end is connected in the slide bar slider, and thin pedestal passes the quill, and the measuring sensor is slided and is established on thin pedestal and horizontal threaded rod.
Specifically, set up two fixed orificess on test sensor's crashproof mounting panel and the threaded sleeve respectively, overlap respectively and establish and connect in creel stand and horizontal threaded rod, make main sensor and crashproof sensor more firm.
Preferably, the device further comprises a coupler, and the coupler is arranged between the approaching servo motor and the longitudinal threaded rod and between the transverse threaded rod and the transverse servo motor.
As preferred scheme, fixed rubber roller step motor and motion compensation rubber roller step motor, fixed rubber roller step motor can drive fixed rubber roller and rotate, and motion compensation rubber roller step motor can drive motion compensation rubber roller and rotate, and fixed rubber roller step motor and motion compensation rubber roller step motor communication link are in processing module.
Specifically, the processing module is in communication connection with the fixed rubber roller stepping motor and the mobile compensation rubber roller stepping motor, and can adjust the rotating speeds of the fixed rubber roller stepping motor and the mobile compensation rubber roller stepping motor based on the detection information of the first measuring module and the second measuring module.
As the preferred scheme, the longitudinal threaded rod and the longitudinal sliding rod are arranged in parallel, the transverse threaded rod is perpendicular to the longitudinal threaded rod and the longitudinal sliding rod, and the bus of the fixed rubber roller, the bus of the movable compensation rubber roller and the transverse threaded rod are parallel to each other.
Examples
Fig. 1 shows a schematic structure diagram of a self-feedback automatic compensation rice huller according to an embodiment of the present invention. Fig. 2 shows a schematic block diagram of a measurement module according to an embodiment of the invention. Fig. 3 shows a schematic structural exploded view of a main sensor according to an embodiment of the present invention. Fig. 4 shows a schematic structural exploded view of a pre-crash sensor according to an embodiment of the present invention. Fig. 5 shows a schematic structural exploded view of a movable bearing mount according to an embodiment of the present invention. Fig. 6 shows a schematic diagram of the relevant geometric quantities of the self-feedback automated compensation rice huller according to an embodiment of the present invention. Fig. 7 shows a self-feedback automatic compensation control method of the self-feedback automatic compensation rice huller according to an embodiment of the present invention.
As shown in fig. 1-7, the self-feedback automatic compensation rice huller comprises:
1. a first measurement module; 2. a second measurement module; 3. fixing the rubber roller; 4. moving the compensation rubber roller; 5. fixing a rubber roller stepping motor; 6. a step motor for moving the compensation rubber roller; 7. a movable bearing mount;
101. an approximation motion servo motor; 102. a coupling; 103. a longitudinal threaded rod; 104. a threaded slider; 105. a collision avoidance sensor; 106. a creel; 107. a primary sensor; 108. a transverse servo motor; 109. a longitudinal slide bar; 110. a slide bar slider; 111. a transverse threaded rod;
1071. a roller; 1072. a measuring electrode; 1073. an arc-shaped permanent magnet; 1074. squirrel-cage winding; 10751. a shaft sleeve end cover; 10752. a quill; 1075. a sensor housing; 10753. an insulating housing; 10754. a threaded sleeve;
1051. an anti-collision arm support; 10511. an anti-collision wheel shaft; 10512. insulating fixed sleeves; 10513. an anti-collision suspension; 1052. an anti-collision induction electrode; 1053. anti-collision induction squirrel cage winding; 1054. anti-collision rollers; 1055. an anti-collision arc-shaped permanent magnet; 1056. a buffer torsion spring; 1057. an anti-collision mounting plate; 10571, a spring support plate; 10572. a small fixing hole; 10573. a large fixing hole; 10574. axially fixing the threaded hole; 10575. fixing the shaft pin; 10576. a limiting support plate; 10577. a swing arm shaft pin;
the device comprises a second movable bearing frame 71, a connecting rod 72, a first movable bearing frame 73, a movable threaded screw 74, a movable servo motor 75, a movable sliding rod 76, a limit baffle 761 and a limit switch 77.
The first measuring module 1 and the second measuring module 2 are fixedly arranged on the whole rack (not shown), and the preferable integral arrangement direction of the first measuring module and the second measuring module is parallel to the horizontal direction, so that the first measuring module and the second measuring module are in a stress balance state, and crushing damage caused by long-time extrusion of a precise thread surface by a gravity component is avoided; the fixed rubber roller 3 is fixedly arranged on a static shaft bracket (not shown) on the frame, preferably, the arrangement direction of the fixed rubber roller is parallel to the horizontal plane, the bus direction of the rubber roller is parallel to the direction of the transverse threaded rod 111, and the parallelism of the rubber roller is required; the movable compensation rubber roller 4 is arranged on the movable shaft bracket module 7 and matched with a sliding bearing, preferably, the arrangement direction of the movable compensation rubber roller is parallel to the horizontal plane, and meanwhile, the generatrix of the rubber roller is parallel to the direction of the transverse threaded rod 111 and meets the requirement on the parallelism of the transverse threaded rod; the approach servo motor 101 is fixedly arranged on the rack; the longitudinal threaded rod 103 is connected with the approaching servo motor 101 through the coupler 102, and preferably, the coaxiality of a rotating shaft of the approaching servo motor 101 and the longitudinal threaded rod 103 is required; the threaded sliding block 104 is matched with the longitudinal threaded rod 103, and preferably, the requirement on the perpendicularity of the precise thread axis on the threaded sliding block 104 and the end surface is met; a large fixing hole 10573 on the anti-collision sensor 105 is matched with a non-threaded section of the transverse threaded rod 111, a small fixing hole 10572 is matched with the thin shaft frame 106, and a set screw is matched with the axial fixing threaded hole 10574 and inserted into a fixing groove on the transverse precise threaded rod 111 to axially fix the anti-collision sensor 105; the thin shaft frame 106 is fixedly connected with the thread sliding block 104 and the sliding rod sliding block 110, and preferably meets the requirements of relevant form and position tolerances, particularly the axis of the thin shaft frame 106 is parallel to the axis of the measured rubber roller, and the space plane determined by the axis is parallel to the horizontal plane; the threaded sleeve 10754 on the sensor housing 1075 of the main sensor 107 is matched with the transverse threaded rod 111, and the sleeve shaft 10752 is matched with the thin shaft bracket 106, preferably to make requirements on form and position tolerance of the relevant matching; the longitudinal sliding rod 109 is arranged on the frame, preferably, the arrangement direction of the longitudinal sliding rod is parallel to the horizontal plane and is vertical to the measured axial space of the rubber roller; the transverse servo motor 108 is arranged on the rack and can horizontally move along the axial direction of the transverse threaded rod 111 relative to the rack; a transverse servo motor 108(208) is connected with the transverse threaded rod 111 through a coupler 102, and preferably, the coaxiality of the two is required; the unthreaded sections at the two ends of the transverse threaded rod 111 are matched with the fixed holes on the sliding rod sliding block 110 and the threaded sliding block 104, are axially fixed and can freely rotate relative to the two sliding blocks, and preferably meet the requirements of relevant form and position tolerances; the hub of the roller 1071 is matched with a sleeve shaft 10752, and a shaft sleeve end cap 10751 plays a role in axially fixing the roller, preferably, the central point of the roller 1071 is respectively positioned on a horizontal line with the central points of the fixed rubber roller 3 and the movable compensation rubber roller 4 so as to ensure the accuracy of measurement; the measuring electrode 1072 should pass through the insulation housing 10753 and be fixed to the sensor housing 1075, and at the same time, to ensure the measuring electrode 1072 to contact with both ends of the squirrel-cage winding 1074, the arc permanent magnet 1073 is fixed inside the sensor housing 1075, so that the squirrel-cage winding 1074 is in its magnetic field; the squirrel-cage winding 1074 is fixed with the hub of the roller 1071, so that the squirrel-cage winding 1074 can rotate freely with the roller 1071; the insulating case 10753 is disposed on the sensor case 1075; the anti-collision arm support 1051 is fixed and rotatable by a swing arm shaft pin 10577; the anti-collision induction electrode 1052 is fixed on the anti-collision suspension 10513 through the insulating fixing sleeve 10512; the anti-collision induction squirrel-cage winding 1053 is fixed with the hub of the anti-collision roller 1054; the hub of the anti-collision roller 1054 is matched with an anti-collision wheel shaft 10511; the anti-collision arc-shaped permanent magnet 1055 is arranged on the inner wall of the anti-collision suspension 10513; the buffering torsion spring 1056 is fixed by a fixed shaft pin 10575, one side of the buffering torsion spring 1056 presses the edge of the anti-collision arm support 1051, and the other side of the buffering torsion spring 1056 presses against the spring support plate 10571, preferably, the anti-collision arm support is ensured to extend forwards by a certain angle, so that the anti-collision roller 1054 is prior to the roller 1071 of the main sensor when the sensor approaches the rubber roller, and the anti-collision function is ensured to be realized; the limiting abutting plate 10576 abuts against the other end of the anti-collision arm support 1051 to play a role in limiting the angle; the connecting rod 72 is fixed with the fixed movable bearing frame 71 and the first movable bearing frame 73 to play a role in fixing; the movable frame threaded slide block is arranged at the lower end of the first movable bearing frame 73, and the movable frame threaded slide block 73 is matched with the movable threaded screw rod 74; the movable servo motor 75 is connected with the movable threaded screw rod 74 through a coupler, preferably, the coaxiality of the movable servo motor 75 and the movable threaded screw rod 74 is required, and the movable servo motor 75 is arranged on the rack; the movable sliding rod 76 is matched with a precise sliding block at one end of the second movable bearing frame, the movable sliding rod 76 is arranged on the frame, and preferably, the axis installation direction of the movable sliding rod is parallel to the horizontal plane and is vertical to the axis of the rubber roller; the other end of the movable threaded screw rod 74 is arranged on the machine frame, and preferably, the axial installation direction of the movable threaded screw rod is parallel to the axial line of the movable sliding rod 76; the limit switch 77 is fixed on the movable slider at one end of the second movable bearing frame 71, and it is ensured that the limit switch 77 can contact with the limit switch 77.
The automatic measuring and compensating working process of the self-feedback automatic compensating rice huller is as follows:
the related geometric quantities are shown in figure 6, the collection point number N of the rubber roller bus for single measurement, the measurement time interval △ T, the length m of the rubber roller bus and the initial value are input, namely the initial radius R1 of the fixed rubber rollerC1Initial radius R2 of the movement compensation rubber rollerC1Initial horizontal center distance LC1Fixed rubber roller initial rotation speed r1C1Initial radius r2 of the movement compensation rubber rollerC1As an initial value for the first measurement.
After the time interval △ T, the processing module controls the approaching motion servo motor 101 on the first measuring module 1 and the second measuring module 2 to drive the longitudinal threaded rod 103 to rotate at a high speed and drive the threaded slider 104 to move rapidly, so that the main sensor 107 on the first measuring module 1 and the second measuring module 2 rapidly approaches the fixed rubber roller 3 and the movable compensation rubber roller 4 from the original points O1 and O2 respectively, thereby saving the measuring time, and simultaneously, the processing module starts to record the rotating speed n1 of the approaching servo motor 1011、n21。
When the anti-collision rollers 1054 of the anti-collision sensors 105 on the first measurement module 1 and the second measurement module 2 are firstly contacted with the outer surface buses of the fixed rubber roller 3 and the moving compensation rubber roller 4 to drive the rollers 1054 and the anti-collision induction squirrel cage winding 1053 to rotate to generate induction current, the anti-collision induction electrodes 1052 measure and transmit electric signals to the processing module, the positions where the main sensor 107 reaches are defined as Y1 and Y2, and the processing module records the number n1 of turns of the servo motor 101 at the moment1(Y)、 n21And (Y) recording the positions of Y1 and Y2 points (because the moving distance is equal to the circle speed multiplied by the precise thread pitch), controlling the approaching servo motor 101 by the processing module to drive the longitudinal threaded rod 103 to rotate at a low speed, so that the main sensor 107 approaches slowly, preventing the surface of the roller 1071 from being crushed and worn by a rubber roller, and simultaneously enabling the anti-collision sensor 105 to rotate backwards due to the buffering effect of the buffering torsion spring 1056, so as to avoid damage to the anti-collision roller 1054.
The main sensor 107 is initially located at one end of the transverse threaded rod 111, and the point corresponding to the one end on the two rubber roller generatrices to be measured is recorded as a10、a20When the main sensor 107 is provided with a roller 1071 in contact with the outside surface generatrix of the fixed rubber roller 3 or the movement compensation rubber roller 4, the roller 1071 is driven by the rubber roller to rotate, an induced current is generated and is measured by the measuring electrode 1072 to transmit an electric signal to the processing module, and the processing module records the recording origin O point to a10、a20The distance of points, the radius value is obtained according to the formulaThen the processing module controls the approaching servo motor 101 to rotate reversely to enable the main sensor 107 to move backwards to the Y1 and Y2 point positions so that the main sensor 107 can move transversely, then the processing module controls the transverse servo motor 108 to rotate to drive the main sensor 107 to move towards the other side by m/N distance, and the approaching servo motor 101 rotates forwards at low-stage speed to enable the main sensor 107 to move towards a1 on the rubber roller1、a21Approximating, recording the distance from the point O of the origin to the point, and measuring the radius corresponding to the two points according to a formulaAccording to the method, the corresponding radiuses of N equidistant points on the generatrix outside the two rollers are measured and recorded in sequence.
The processing module records the half-value of the R1 and R2 rubber roller generatrix at N equidistant points
Substituting into a formula to obtainThe processing module obtains the distance delta S1 that the first R2 rubber roller needs to move according to a formula, the processing module controls the shaft-moving servo motor 75 to rotate to drive the moving bearing frame 71 to move for the distance delta S1 to realize distance compensation, and meanwhile, the processing module controls the fixed rubber roller stepping motor 5 and the moving compensation rubber roller stepping motor 6 to change the rotating speed according to the formula, so that the surface linear speeds V1 and V2 of the two rollers are kept unchanged.
The specific calculation process is as follows:
for convenience of description, the fixed rubber roller 3 and the movement compensation rubber roller 4 are respectively referred to as an R1 rubber roller and an R2 rubber roller for short, S1 and S2 respectively measure movement distance values for approaching the servo motor 101 each time, and the origin points O1 and O2 are initial positions of the rollers close to a vertical horizontal line tangent line of one side of the rubber roller for each time, preferably, the installation position of the roller 1071 requires that the center point of the roller 1071 is on a horizontal line with the center points of the R1 rubber roller and the R2 rubber roller respectively.
Knowing the initial horizontal center-to-center distance L at the first measurementC1Initial rotation speed R1 of R1 and R2 rubber rollers before L first measurementC1、r2C1The R1 rubber roller is fixed and immovable, and the R2 rubber roller is a compensation axial-shift rubber roller, so that X1 is constant, X2 is changed along with compensation, and X2 is changedC1＝X2，R1C1＝R1、 R2C1R2 is the initial radius when not worn. So that the corresponding i-th measurement is performed with the initial horizontal center distance LCiConstant height difference H, R1Ci、R2CiThe initial radius of the ith measurement, the change in radius Δ R1i, Δ R2i of the ith measurement,
when two new rubber rollers are installed for the first time and run for a specified time interval, the first abrasion measurement is carried out, the transverse servo motor drives the main sensor to move in the direction parallel to the rubber roller bus, the radius of the point is measured every time the point is moved by m/N distance, and the N equidistant points on the R1 and R2 rubber roller bus which are measured in sequence are recorded by the simultaneous processing moduleRespectively corresponding radius at the position
Radius measurement principle: e.g. on R1 rubber roller generatrixAccording to the radius measurement principle of point correspondence, the distance X1 from the origin O1 to the center A of the R1 rubber roller is known, and the processing module records the number of turns of the abrasion-resistant roller on the main sensor from the origin O1 to the surface of the R1 rubber roller, which is close to the servo motorThe pitch p of the fine thread is known, soCan obtain the product
It is to be noted that the distance X1 from the center of the R1 rubber roller (fixed rubber roller 3) to the origin O1 is constant, and the distance X2 from the center of the R2 rubber roller (movement compensation rubber roller 4) to the origin O2 is changed due to the compensation movement.
According to the formula:calculating the average radius of the R1 and R2 rubber rollers
The change in radius of the R1 rubber roller was measured asR2 rubber roll radius change of
△ ABC Pythagorean theoremTo obtain
Therefore, the distance delta S1 needed for the rubber roller shaft of R2 to move is measured for the first time
While moving due to compensation
Wherein,representing the horizontal center distance of the optimal grain processing space; l isC1Representing the horizontal center distance of the grain processing space at the first measurement; x21The distance between the O2 point and the rubber roller R2 is measured after the movement compensation of the movement compensation rubber roller is represented; x2C1: the initial distance of the point O2 relative to the rubber covered roller R2 was initially measured at the time of the first measurement.
And the rotation speed of the R1 and R2 rubber rollers is changed to
Wherein, r1X1: the rotating speed of the rubber roller R1 which needs to be changed after the first measurement is shown; r1C1Representing the original rotation speed of the R1 rubber roller before the first measurement;represents the average radius of the rubber covered roller R1 after abrasion is measured for the first time; R1C1 represents the fixed rubber roller initial diameter; r2C1Indicating the initial diameter of the mobile compensating rubber roller; large 1 indicates R1 rubber covered roller, small 1 indicates 1 st measurement, C indicates initial; x represents the latest.
Assignment of valuer1C2＝r1X1、r2C2＝r2X1The processing module records the feedback value LC2、R1C2、R2C2、r1C2、r2C2For measuring the initial value for the second time, while the processing module controls the approach servoThe motor 101 rotates in reverse to return the sensors to the origin O1, O2. Where the small 2 of the subscript represents the value at the second measurement.
Having described embodiments of the present invention, which are exemplary, not exhaustive, and not limited to the disclosed embodiments, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A measurement sensor, characterized in that the measurement sensor comprises:
the system comprises a main sensor and an anti-collision sensor, wherein the main sensor and the anti-collision sensor are arranged in parallel;
wherein, the collision avoidance sensor includes: anticollision mounting panel, anticollision cantilever crane, anticollision shaft, anticollision suspension, anticollision arc permanent magnet, anticollision response squirrel cage winding, anticollision response electrode, crashproof gyro wheel and insulating fixed cover, the anticollision cantilever crane sets up anticollision mounting panel top, the anticollision suspension sets up on the anticollision cantilever crane, insulating fixed cover is established on the anticollision suspension, anticollision shaft one end connect in anticollision suspension, the other end connect in the wheel hub of anticollision gyro wheel, anticollision response squirrel cage winding reaches anticollision arc permanent magnet overlaps in proper order and establishes anticollision epaxial, anticollision response electrode set up in anticollision response squirrel cage winding both sides, one end is passed anticollision suspension reaches insulating fixed cover.
2. The measurement sensor according to claim 1, wherein the main sensor includes a sensor housing, a roller, a measurement electrode, an arc permanent magnet, a squirrel-cage winding, a threaded sleeve, and a sleeve shaft, the roller is sleeved on one end of the sleeve shaft, the squirrel-cage winding is sleeved on the sleeve shaft, one end of the squirrel-cage winding is connected to a hub of the roller, the sensor housing is sleeved outside the squirrel-cage winding, the measurement electrode is connected to both ends of the squirrel-cage winding and passes through the sensor housing, the arc permanent magnet is disposed between the squirrel-cage winding and the sensor housing, and the threaded sleeve is fixed to the bottom of the sensor housing.
3. The measurement sensor of claim 2, further comprising an insulating housing, the insulating housing being fitted over the exterior of the sensor housing, the measurement electrode passing through the sensor housing and the insulating housing.
4. The utility model provides a self feedback automatic compensation rice huller which characterized in that, this self feedback automatic compensation rice huller includes:
the grain processing device comprises a fixed rubber roller and a movable compensation rubber roller, wherein the fixed rubber roller and the movable compensation rubber roller are arranged in parallel, and a grain processing space is reserved between the fixed rubber roller and the movable compensation rubber roller;
a movable bearing base on which the movement compensation rubber roller is disposed;
the measuring device comprises a first measuring module and a second measuring module, wherein the first measuring module and the second measuring module respectively comprise a transverse threaded rod, a longitudinal sliding rod, a threaded sliding block, a sliding rod sliding block, an approximation servo motor, a transverse servo motor and the measuring sensor as claimed in any one of claims 1 to 3, one end of the longitudinal threaded rod penetrates through the threaded sliding block, the other end of the longitudinal threaded rod is connected to the approximation servo motor, one end of the longitudinal sliding rod penetrates through the sliding rod sliding block, one end of the transverse threaded rod is connected to the threaded sliding block, the other end of the transverse threaded rod penetrates through the sliding rod sliding block to be connected to the transverse servo motor, and the measuring sensor is arranged on;
one end of a longitudinal threaded rod of the first measuring module penetrates through the threaded sliding block to be connected to one end of the fixed rubber roller, and one end of a longitudinal sliding rod of the first measuring module penetrates through the sliding rod sliding block to be connected to the other end of the fixed rubber roller;
one end of a longitudinal threaded rod of the second measuring module penetrates through the threaded sliding block to be connected to one end of the movable compensation rubber roller, and one end of a longitudinal sliding rod of the second measuring module penetrates through the sliding rod sliding block to be connected to the other end of the movable compensation rubber roller;
on a first measuring module, the horizontal distance between the anti-collision sensor and the fixed rubber roller is smaller than the distance between the main sensor and the fixed rubber roller;
on a second measuring module, the horizontal distance between the anti-collision sensor and the mobile compensation rubber roller is smaller than the distance between the main sensor and the mobile compensation rubber roller
A processing module communicatively connected to the measurement sensor, the approximation servo motor, the lateral servo motor, and the movable bearing mount.
5. The self-feeding automated compensated rice huller as claimed in claim 4, wherein the movable bearing mount comprises: the device comprises a first movable bearing frame, a second movable bearing frame, a connecting rod, a movable frame threaded slide block, a movable threaded lead screw, a movable servo motor, a movable slide block, a movable sliding rod, a limiting baffle and a limiting switch, wherein two ends of the movable compensation rubber roller are respectively connected to the top of the first movable bearing frame and the top of the second movable bearing frame, the connecting rod is connected with the first movable bearing frame and the second movable bearing frame, the movable frame threaded slide block is arranged at the bottom of the first movable bearing frame, the movable threaded lead screw is arranged in the movable frame threaded slide block, an output shaft of the movable servo motor is connected to the movable threaded lead screw, the movable servo motor is in communication connection with a processing module, the movable slide block is arranged at the bottom of the second movable bearing frame, the movable sliding rod is arranged in the movable slide block, and the limiting baffle is arranged at two ends of the movable sliding rod, the limit switch is arranged on the movable sliding block.
6. The self-feedback automatic compensation rice huller as claimed in claim 4, further comprising a frame, wherein one end of the longitudinal sliding rod passes through the sliding rod slider, and the other end of the longitudinal sliding rod is connected to the frame.
7. The self-feedback automatic compensation rice huller as claimed in claim 4, further comprising a fine shaft frame, wherein said fine shaft frame is disposed on top of said transverse threaded rod, one end of said fine shaft frame is connected to said threaded slider, and the other end of said fine shaft frame is connected to said sliding rod slider, said fine shaft frame passes through a quill of said main sensor, and said measuring sensor is slidably disposed on said fine shaft frame and said transverse threaded rod.
8. The self-feedback automated compensation rice huller as claimed in claim 4, further comprising a coupling disposed between the approximation servo motor and the longitudinal threaded rod and between the transverse threaded rod and the transverse servo motor.
9. The self-feedback automatic compensation rice huller as claimed in claim 4, wherein the fixed rubber roller stepping motor can drive the fixed rubber roller to rotate, the mobile compensation rubber roller stepping motor can drive the mobile compensation rubber roller to rotate, and the fixed rubber roller stepping motor and the mobile compensation rubber roller stepping motor are connected to the processing module in communication.
10. The self-feedback automatic compensation rice huller as claimed in claim 4, wherein the longitudinal threaded rod is disposed parallel to the longitudinal sliding rod, the transverse threaded rod is perpendicular to the longitudinal threaded rod and the longitudinal sliding rod, and the bus of the fixed rubber roller, the bus of the mobile compensation rubber roller and the transverse threaded rod are parallel to each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820545345.9U CN208695081U (en) | 2018-04-17 | 2018-04-17 | Measurement sensor and self feed back automation compensation hulling machine |
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| CN201820545345.9U CN208695081U (en) | 2018-04-17 | 2018-04-17 | Measurement sensor and self feed back automation compensation hulling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722534A (en) * | 2018-04-17 | 2018-11-02 | 武汉轻工大学 | Measurement sensor and self feed back automation compensation hulling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722534A (en) * | 2018-04-17 | 2018-11-02 | 武汉轻工大学 | Measurement sensor and self feed back automation compensation hulling machine |
| CN108722534B (en) * | 2018-04-17 | 2023-09-26 | 武汉轻工大学 | Measurement sensor and self-feedback automatic compensation rice huller |
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