CN116253113A - Deviation correction control system and method for conveying belt - Google Patents

Deviation correction control system and method for conveying belt Download PDF

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Publication number
CN116253113A
CN116253113A CN202310006319.4A CN202310006319A CN116253113A CN 116253113 A CN116253113 A CN 116253113A CN 202310006319 A CN202310006319 A CN 202310006319A CN 116253113 A CN116253113 A CN 116253113A
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China
Prior art keywords
deviation
driven roller
driving
conveying belt
belt
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Pending
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CN202310006319.4A
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Chinese (zh)
Inventor
林森
夏建华
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Keda Industrial Group Co Ltd
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Keda Industrial Group Co Ltd
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Priority to CN202310006319.4A priority Critical patent/CN116253113A/en
Publication of CN116253113A publication Critical patent/CN116253113A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10Arrangements of rollers
    • B65G39/12Arrangements of rollers mounted on framework
    • B65G39/16Arrangements of rollers mounted on framework for aligning belts or chains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/60Arrangements for supporting or guiding belts, e.g. by fluid jets
    • B65G15/64Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44Belt or chain tensioning arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a correction control system and method for a conveyor belt, comprising the following steps: the conveyor body is provided with a driving roller, a driven roller and a conveying belt wound between the driving roller and the driven roller; the deviation rectifying detection module is used for judging and detecting the deviation value of the conveyer belt and rectifying the deviation of the conveyer belt; the driving module is used for driving the driven roller so as to control the distance between the driving roller and the driven roller; the PLC is used for controlling and transmitting signals among the conveyor body, the driving module and the deviation correcting detection module; the PLC controller receives the deviation correcting signal of the deviation correcting detection module, then controls the driving module to work, adjusts the distance between the driving roller and the driven roller, controls the inclination of the driven roller, and realizes the deviation correction of the conveying belt by changing the position state of the driven roller.

Description

Deviation correction control system and method for conveying belt
Technical Field
The invention relates to the technical field of correction, in particular to a correction control system and method for a conveying belt.
Background
The current conveying system is widely applied to equipment in various industries, however, due to the structure of the machine or assembly precision errors and the like, the deviation of a conveying belt is inevitable, so that the deviation of the conveying belt is required to be corrected in real time in the running process of the equipment, the conveying belt is prevented from running out of the edge of a roller, otherwise, the normal running of the equipment is influenced, and even the conveying belt and the equipment are directly damaged. Therefore, the correction control of the conveyer belt is particularly important.
The prior correction technology is generally provided with a mechanical correction mechanism, and the two sides of the conveyer belt are provided with similar side baffle roller structures so as to prevent the conveyer belt from deviating; the rest parts adopt switching value detection and correction, and intermittent correction is carried out through a control cylinder or a correction roller; some adopt analog photoelectric sensor to detect the position, the controller drives servo motor or hydro-cylinder control correction roller to rectify through PID operation, etc. to rectify in real time.
The existing deviation correcting mechanism generally has the following defects:
1. the mechanical deviation correcting mechanism is arranged, a structure similar to the side baffle rollers is arranged on two sides of the conveying belt, mechanical force is directly applied to the edge of the conveying belt, and the conveying belt bears larger lateral force to influence the service life of the edge of the conveying belt.
2. When the intermittent deviation correction is carried out by adopting the detection of the switching value, the swing amplitude of the conveying belt is large, the swing is frequent, the control precision is low, and the cloth is influenced, so that the qualification rate of finished products is influenced.
3. When the position is detected by adopting an analog photoelectric sensor, and the real-time deviation correction is performed through PID operation, the photoelectric switch is easy to interfere in the occasion with large dust in part of production environment, and meanwhile, when production parameters (such as thickness, width and the like) are changed, the deviation correction parameters cannot be applicable and are required to be reset, so that the production is influenced. Meanwhile, when the conveying system is actually produced, the deviation rule of the conveying belt is a nonlinear time-varying system, and parameters of PID operation are more difficult to set.
4. The conveyor belt edge is a non-flush edge, and the position of the edge is easily acquired as interference data during operation.
5. When the machine is compact in structure, the tension roller of the conveying belt is large, the tension force is large, and the addition of an independent correction roller or correction swing roller is difficult to implement.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides a system and method for controlling deviation correction of a conveyor belt. The correction of the conveying belt can be avoided, the correction of the conveying belt can be realized by changing the position and the inclination of the driven roller, the real-time detection and the adjustment can be realized, and the correction accuracy is improved.
The invention adopts the technical proposal for solving the problems that: the invention discloses a conveyor belt deviation rectifying control system and a method, and the system comprises the following steps: the conveyor body is provided with a driving roller, a driven roller and a conveying belt wound between the driving roller and the driven roller; the deviation rectifying detection module is used for judging and detecting the deviation value of the conveyer belt and rectifying the deviation of the conveyer belt; the driving module is used for driving the driven roller so as to control the distance between the driving roller and the driven roller; the PLC is used for controlling and transmitting signals among the conveyor body, the driving module and the deviation correcting detection module; the PLC controller receives the deviation correcting signal of the deviation correcting detection module, then controls the driving module to work, adjusts the distance between the driving roller and the driven roller, controls the inclination of the driven roller, and realizes the deviation correction of the conveying belt.
By adopting the scheme, the single side or two edge positions of the conveyer belt are detected in real time by adopting the deviation correcting detection module, the real-time deviation amount of the conveyer belt is calculated through filtering, the deviation trend and the speed of the current conveyer belt are calculated, the pressure difference value is output, and the driving module is controlled by the PLC controller to correct the deviation of the conveyer belt.
Further, the driving module includes: the tensioning oil cylinder is used for pushing the driven roller so as to control the position relationship between the driven roller and the driving roller; the oil cylinder electronic ball valve is used for providing driving force for the tensioning oil cylinder; the oil cylinder pressure reducing proportional valve is used for controlling the tensioning oil cylinder to provide push-pull force for the driven roller.
Through adopting above-mentioned scheme, hydro-cylinder electron ball valve and hydro-cylinder step-down proportional valve improve the accurate control to tensioning hydro-cylinder driven to push-pull control to the driven roller is more accurate.
Further, the deviation rectifying detection module includes: the oil cylinder pressure sensor is used for detecting the pressure of the driven roller driven by the conveying belt when the driven roller is driven by the driving module; the roller rotation detection encoder is used for detecting and counting the rotation direction and the number of turns of the driven roller; the deviation correcting sensor is used for detecting the deviation distance of the conveying belt.
By adopting the scheme, the pressure of the conveying belt, the rotation direction of the driven roller and the deviation distance of the conveying belt can be detected in real time, and the accurate deviation correcting effect of the conveying belt is realized.
Further, the tensioning cylinder is provided with at least two tensioning cylinders which are distributed at two ends of the driven roller and used for adjusting the inclination of the driven roller.
By adopting the scheme, the two ends of the driven roller are provided with the tensioning cylinders, so that the two ends of the driven roller can be driven simultaneously or independently, and the integral position of the driven roller is changed.
Further, the deviation correcting sensor is at least provided with one deviation correcting sensor, is arranged at the side edge of the conveying direction of the conveying belt and is used for detecting the single edge or the two edge positions of the conveying belt in real time.
By adopting the scheme, the deviation correcting device can be used for detecting the deviation direction and the position of the conveying belt, so that the deviation correcting direction can be better judged.
Further, the PLC detects the real-time deviation value delta S fed back by the deviation correcting sensor in real time, and judges the deviation direction of the conveying belt by judging the positive and negative of the deviation value delta S, so that the PLC drives the tensioning cylinder in the deviation direction to work.
By adopting the scheme, the deviation direction of the conveying belt can be accurately judged, and the tensioning oil cylinder corresponding to the deviation direction is controlled to perform deviation correcting work.
Further, the automatic control system also comprises an early warning system, when the pressure given by the driving module exceeds a preset value, the early warning system works and feeds back a shutdown signal to the PLC controller, so that an alarm shutdown effect is realized.
Through adopting above-mentioned scheme, can realize shutting down the protection effect, avoid exerting the too big damage that causes irrecoverable to the conveyer belt pressure, guaranteed the security of conveyer belt.
Further, the conveying belt is a steel belt or a belt.
By adopting the scheme, the deviation correcting effect on materials with different flexibilities can be realized.
A deviation rectifying control method for a conveyer belt comprises the following steps: s1, tensioning a conveyer belt by controlling a driving module through a PLC controller; s2, controlling the working of the driving roller through a PLC controller, wherein the driven roller is driven along with the movement of the conveying belt; s3, the PLC receives the data returned by the deviation correcting detection module in real time, judges the deviation direction of the conveying belt, and calculates the pressure value which should be applied to the driving module; s4, driving the driven roller to move through the driving module, so that correction of the conveying belt is performed.
Through adopting above-mentioned scheme, realize the automatic operation of rectifying to the conveyer belt, saved a large amount of manual works, and the PLC controller control is accurate, rectifies effectually.
Further, the data returned by the deviation correcting detection module in S3 includes: the roller rotation on the driven roller detects the data signal of the encoder and the deviation amount of the conveyer belt detected by the deviation correcting sensor.
Through adopting above-mentioned scheme, the PLC can carry out filtering calculation according to the data signal of cylinder rotation detection encoder, the PLC can judge the off tracking direction of conveyer belt according to the positive and negative of off tracking volume to calculate the pressure value that rectifies that should be given left and right sides two tensioning hydro-cylinders at present through the PLC algorithm, carry out and rectify the conveyer belt.
In summary, the system and the method for controlling deviation correction of the conveyor belt provided by the invention have the following technical effects:
1. by arranging the deviation correcting detection module, the deviation of the conveying belt can be monitored in real time, and the detection precision is improved, so that the deviation correcting timeliness is improved, and the qualification rate of finished products is improved;
2. the driving module is arranged to control the driven roller to move, so that the correction of the conveying belt is avoided, the application of large lateral force to the conveying belt is avoided, and the service life of the conveying belt is prolonged;
3. the driving module is used for controlling the driven roller to move, so that the correction and the tensioning of the conveyer belt can be realized at the same time, and the difficulty of correcting the deflection roller is reduced;
4. the PCL controller is used for accurately calculating and controlling, so that integral automatic deviation correction is realized, and the control is convenient.
Drawings
FIG. 1 is a simplified schematic diagram of a mechanical structure according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a deviation correcting control system according to an embodiment of the present invention;
fig. 3 is a process flow chart of a deviation rectification control algorithm according to an embodiment of the invention.
Wherein the reference numerals have the following meanings: 1. a conveyor body; 11. a drive roll; 12. a passive roller; 13. a conveyor belt; 2. a deviation rectifying detection module; 21. an oil cylinder pressure sensor; 22. a drum rotation detecting encoder; 23. a correction sensor; 3. a driving module; 31. tensioning an oil cylinder; 32. an oil cylinder electronic ball valve; 33. the oil cylinder pressure reducing proportional valve; 4. and a PLC controller.
Detailed Description
For a better understanding and implementation, the technical solutions of the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings, and it is apparent that what is described herein is only a part, but not all, of the examples of the present invention, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
For the purpose of facilitating an understanding of the embodiments of the present invention, reference will now be made to the drawings, by way of example, of specific embodiments, and the various embodiments should not be construed to limit the embodiments of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
1-2, the embodiment 1 of the invention discloses a conveyor belt deviation rectifying control system, which comprises a conveyor body 1, a deviation rectifying detection module 2, a driving module 3 and a PLC controller 4, wherein the conveyor body 1 comprises a driving roller 11, a driven roller 12 and a conveyor belt 13 wound between the driving roller 11 and the driven roller 12, and in the embodiment 1, the conveyor belt 13 is a steel belt or a belt, so that deviation rectifying effects on materials with different flexibilities can be realized; the deviation rectifying detection module 2 is used for judging and detecting the deviation value of the conveyer belt 13 and rectifying the deviation of the conveyer belt 13; the driving module 3 is used for driving the driven roller 12 so as to control the distance between the driving roller 11 and the driven roller 12; the PLC 4 is used for controlling and transmitting signals among the conveyor body 1, the driving module 3 and the deviation correcting detection module 2; the PLC 4 receives the deviation rectifying signal of the deviation rectifying detection module 2, then controls the driving module 3 to work, adjusts the distance between the driving roller 11 and the driven roller 12, controls the inclination of the driven roller 12, and realizes the deviation rectifying of the conveying belt 13 by changing the position state of the driven roller 12. The invention adopts the deviation correction detection module 2 to detect the single side or two edge positions of the conveyer belt 13 in real time, calculates the real-time deviation amount of the conveyer belt 13 through filtering, calculates the deviation trend and speed of the current conveyer belt 13, outputs a pressure difference value, and controls the driving module 3 to correct the deviation of the conveyer belt 13 through the PLC controller 4.
Specifically, the driving module 3 includes two tensioning cylinders 31, an oil cylinder electronic ball valve 32 and an oil cylinder depressurization proportional valve 33, the tensioning cylinders 31 are distributed at two ends of the driven roller 12, and the tensioning cylinders 31 are used for pushing the ends of the driven roller 12 so as to control the position relationship between the driven roller 12 and the driving roller 11 and thus adjust the inclination of the driven roller 12; by providing the tensioning cylinders 31 at both end portions of the driven roller 12, simultaneous or separate driving of both end portions of the driven roller 12 can be achieved, thereby changing the position of the whole driven roller 12. Each tensioning cylinder 31 is provided with a cylinder electronic ball valve 32 and a cylinder pressure reducing proportional valve 33, and the cylinder electronic ball valves 32 are used for providing driving force for the tensioning cylinders 31; the oil cylinder pressure reducing proportional valve 33 is used for controlling the tensioning oil cylinder 31 to provide push-pull force for the driven roller 12, and the oil cylinder electronic ball valve 32 and the oil cylinder pressure reducing proportional valve 33 improve the accurate control on the driving of the tensioning oil cylinder 31, so that the push-pull control on the driven roller 12 is more accurate.
In other embodiments, the number of the tensioning cylinders 31 may be more than two, and at least one tensioning cylinder 31 is disposed at each end of the driven roller 12, so that push-pull operation on two ends of the driven roller 12 may be implemented, and the tensioning cylinders 31 may work simultaneously or may work separately.
Specifically, the deviation rectifying detection module 2 includes an oil cylinder pressure sensor 21, a roller rotation detection encoder 22 and a deviation rectifying sensor 23, at least one deviation rectifying sensor 23 is arranged, and the deviation rectifying sensor 23 is an ultrasonic sensor and is arranged at the side edge of the conveying direction of the conveying belt 13, and is used for detecting the single side or two edge positions of the conveying belt 13 in real time, and can be used for detecting the deviation direction and the position of the conveying belt 13, so that the deviation rectifying direction can be better judged. Of course, the deviation correcting sensor 23 may be any other sensor for detecting the deviation of the conveyor belt 13, which is not particularly limited in this embodiment. When only one deviation correcting sensor 23 is arranged, the deviation direction is judged through the position of the conveying belt 13, and when two deviation correcting sensors 23 are arranged, the deviation direction is obtained according to the deviation value read by the deviation correcting sensor 23 of the deviation direction of the conveying belt 13, and the judgment is accurate. The oil cylinder pressure sensor 21 is used for detecting the pressure of the driven roller 12 by the conveying belt 13 when the driven roller 12 is driven by the driving module 3; the roller rotation detecting encoder 22 is used for detecting and counting the rotation direction and the number of turns of the driven roller 12; the deviation correcting sensor 23 is used for detecting the deviation distance of the conveying belt 13.
In this embodiment 1, the PLC controller 4 detects the real-time deviation value Δs fed back by the deviation correcting sensor 23 in real time, and determines the deviation direction of the conveyor belt 13 by determining the positive and negative of the deviation value Δs, so that the PLC controller 4 drives the tensioning cylinders 31 in the deviation direction to work, and can accurately determine the deviation direction of the conveyor belt 13, and control the tensioning cylinders 31 in the corresponding deviation direction to perform deviation correcting work, where the deviation correcting principle is to detect the pressure difference between the left and right tensioning cylinders 31 of the driven roller 12 by using the two cylinder pressure sensors 21, so as to generate different tensions on the left and right sides of the conveyor belt 13, thereby realizing deviation correction on the conveyor belt 13.
Referring to fig. 1, 2 and 3, the invention also relates to a method for controlling deviation correction of a conveyor belt, which comprises the following steps:
s1, a PLC (programmable logic controller) 4 of a conveyor belt deviation correcting control system controls two tensioning cylinders 31 in a driving module 3 to carry out tensioning operation on a conveyor belt 13;
s2, controlling a driving roller 11 to work through a PLC (programmable logic controller) 4, wherein the driving roller 11 drives a conveying belt 13 to work, a driven roller 12 is driven along with the movement of the conveying belt 13, and a roller rotation detection encoder 22 positioned at the end part of the driven roller 12 is driven along with the movement of the conveying belt 13;
s3, calculating data returned by the PLC 4 through the roller rotation detection encoder 22 and the deviation correcting sensor 23 through a filtering algorithm, and after the conveyer belt 13 continuously runs for a certain distance, calculating the deviation amount delta S of the conveyer belt 13 by the PLC 4, judging the deviation direction of the conveyer belt 13 according to the positive and negative of the delta S, so as to calculate a deviation correcting pressure value P which is applied to the left and right tensioning cylinders 31 through the algorithm of the PLC 4;
s4, applying a deviation rectifying pressure value P to the left tensioning cylinder 31 and the right tensioning cylinder 31 through the PLC controller 4, so that the left tensioning cylinder 31 and the right tensioning cylinder 31 drive the driven roller 12 to work and move, and rectifying the conveyor belt 13, and when the PLC controller 4 detects that the deviation quantity DeltaS of the conveyor belt 13 is 0, proving that the rectification is completed.
The conveyor belt deviation rectifying control method realizes automatic deviation rectifying operation on the conveyor belt 13, saves a great deal of labor, and has accurate control by the PLC 4 and good deviation rectifying effect.
Specifically, in the side view of the conveyor body 1, the driving roller 11 is set to the front side, and the driven roller 12 is set to the rear side; detecting and calculating deviation correction pressure value delta S of the conveyor belt 13 in real time through deviation correction sensors 23 on one side or the left side and the right side of the conveyor belt 13, then judging the positive and negative of the deviation correction pressure value delta S after calculating the deviation correction pressure value P which is applied to the tensioning cylinder 31 through a filtering algorithm of the PLC controller 4, and applying the deviation correction pressure value P+delta P to the tensioning cylinder 31 on the left side through the PLC controller 4 when the deviation correction pressure value delta S is larger than zero, wherein the left cylinder pressure reducing proportional valve 33 is matched with the left cylinder pressure sensor 21 to control the left tensioning cylinder 31 to work, so that the deviation correction of the conveyor belt 13 is realized; when the deviation value DeltaS is smaller than zero, a deviation rectifying pressure value P+DeltaP is applied to the right tensioning cylinder 31 through the PLC controller 4, and at the moment, the right cylinder pressure reducing proportional valve 33 is matched with the right cylinder pressure sensor 21 to control the right tensioning cylinder 31 to work, so that the deviation rectifying of the conveying belt 13 is realized; when the PLC controller 4 calculates that the deviation Δs of the conveyor belt 13 is 0 or the conveyor belt 13 tends to be stable, the deviation correction of the conveyor belt 13 is completed or no deviation occurs, which is just one embodiment, and the pressure difference between the left and right cylinders can be actually adjusted by adding or subtracting Δp and the like, so as to achieve the same deviation correction effect.
The conveyor body 1 further comprises an early warning system, when the pressure value detected by the oil cylinder pressure sensors 21 at the left side and the right side exceeds the pressure which can be borne by the conveyor belt 13, the early warning system gives an alarm and simultaneously sends an alarm signal to the PLC 4, and the PLC 4 receives the early warning signal of the early warning system and controls the deviation correcting control system of the conveyor belt to stop so as to protect the conveyor belt 13.
In summary, the system and the method for controlling deviation correction of the conveyor belt provided by the invention have the following technical effects:
1. by arranging the deviation correcting detection module 2, the deviation of the conveying belt 13 can be monitored in real time, and the detection precision is improved, so that the deviation correcting timeliness is improved, and the finished product qualification rate is improved;
2. the driving module 3 is arranged to control the driven roller 12 to move, so that the correction of the deviation of the conveyer belt 13 is avoided, the application of large lateral force to the conveyer belt 13 is avoided, and the service life of the conveyer belt 13 is prolonged;
3. the driven roller 12 is controlled to move through the driving module 3, so that the correction and the tensioning of the conveying belt 13 can be realized at the same time, and the difficulty of correcting the deflection roller is reduced;
4. the PCL controller is used for accurately calculating and controlling, so that integral automatic deviation correction is realized, and the control is convenient.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (10)

1. The utility model provides a conveyer belt control system that rectifies which characterized in that: comprising the following steps:
the conveyor body (1), the conveyor body (1) is provided with a driving roller (11), a driven roller (12) and a conveyor belt (13) wound between the driving roller and the driven roller;
the deviation rectifying detection module (2), the deviation rectifying detection module (2) is used for judging and detecting the deviation value of the conveyer belt (13) and rectifying the deviation of the conveyer belt (13);
-a driving module (3), the driving module (3) being adapted to drive a driven roller (12) to control the distance between the driving roller (11) and the driven roller (12);
the PLC (4) is used for controlling and transmitting signals among the conveyor body (1), the driving module (3) and the deviation correcting detection module (2);
the PLC (4) receives the deviation correcting signal of the deviation correcting detection module (2) and then controls the driving module (3) to work, the distance between the driving roller (11) and the driven roller (12) is adjusted, the inclination of the driven roller (12) is controlled, and the deviation correcting of the conveying belt (13) is realized.
2. The conveyor belt deviation-correcting control system according to claim 1, wherein: the drive module (3) comprises:
a tensioning cylinder (31), wherein the tensioning cylinder (31) is used for pushing the driven roller (12) so as to control the position relationship between the driven roller (12) and the driving roller (11);
the oil cylinder electronic ball valve (32), the oil cylinder electronic ball valve (32) is used for providing driving force for the tensioning oil cylinder (31);
and the oil cylinder pressure reducing proportional valve (33), wherein the oil cylinder pressure reducing proportional valve (33) is used for controlling the tensioning oil cylinder (31) to provide push-pull force for the driven roller (12).
3. The conveyor belt deviation-correcting control system according to claim 2, wherein: the deviation rectifying detection module (2) comprises:
the oil cylinder pressure sensor (21) is used for detecting the pressure of the driven roller (12) received by the conveying belt (13) when the driven roller (12) is driven by the driving module (3);
a drum rotation detection encoder (22), the drum rotation detection encoder (22) being configured to detect and count a direction and a number of turns of the driven roller (12) rotation;
and the deviation correcting sensor (23) is used for detecting the deviation correcting distance of the conveying belt (13).
4. The conveyor belt deviation-correcting control system according to claim 2, wherein: the tensioning cylinders (31) are arranged at least two and distributed at two ends of the driven roller (12) for adjusting the inclination of the driven roller (12).
5. A conveyor belt deviation-correcting control system according to claim 3, wherein: the deviation correcting sensor (23) is at least provided with one side edge arranged at the conveying direction of the conveying belt (13) and used for detecting the single side or two edge positions of the conveying belt (13) in real time.
6. A conveyor belt deviation-correcting control system according to claim 3, wherein: the PLC (4) detects a real-time deviation value delta S fed back by the deviation correcting sensor (23) in real time, and judges the deviation direction of the conveying belt (13) by judging the positive and negative of the deviation value delta S, so that the PLC (4) drives the tensioning oil cylinder (31) in the deviation direction to work.
7. A conveyor belt deviation-correcting control system according to any of claims 1-6, characterized in that: the automatic alarm system further comprises an early warning system, when the pressure given by the driving module (3) exceeds a preset value, the early warning system works and feeds back a shutdown signal to the PLC (4) at the same time, so that an alarm shutdown effect is achieved.
8. The conveyor belt deviation-correcting control system according to claim 1, wherein: the conveying belt (13) is a steel belt or a belt.
9. A deviation rectifying control method for a conveyer belt is characterized in that: comprising the conveyor belt deviation correcting control system according to any one of claims 1-8, the control method and steps being as follows:
s1, controlling a driving module (3) to tension a conveying belt (13) through a PLC (programmable logic controller) 4;
s2, controlling the working of a driving roller (11) through a PLC (programmable logic controller) 4, wherein the driven roller (12) is driven along with the movement of the conveying belt (13);
s3, the PLC (4) receives data returned by the deviation correcting detection module (2) in real time, judges the deviation direction of the conveying belt (13), and calculates a pressure value which should be applied to the driving module (3);
s4, driving the driven roller (12) to displace through the driving module (3), so as to rectify the deviation of the conveying belt (13).
10. The conveyor belt deviation rectifying control method according to claim 9, characterized in that: and S3, the data returned by the deviation correcting detection module (2) comprises: the data signal of a roller rotation detection encoder (22) positioned on the driven roller (12) and the deviation amount of the conveying belt (13) detected by a deviation correction sensor (23).
CN202310006319.4A 2023-01-04 2023-01-04 Deviation correction control system and method for conveying belt Pending CN116253113A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2759627Y (en) * 2005-01-12 2006-02-22 中国石油天然气集团公司 Steel band hydraulic error correcting equipment
AU2007202586A1 (en) * 2007-06-06 2009-01-08 Gang Lin Passive hydraulic control deviation-correcting linkage machine
CN106514919A (en) * 2016-12-30 2017-03-22 桂林电器科学研究院有限公司 Tensioning and rectifying system of steel belt of plastic film casting machine set
CN206288581U (en) * 2016-11-30 2017-06-30 河南中烟工业有限责任公司 A kind of belt conveyer
CN107973082A (en) * 2017-12-06 2018-05-01 徐工集团工程机械有限公司 A kind of movable crusher Control System of Belt Conveyer
CN213444597U (en) * 2020-09-07 2021-06-15 深圳吉阳智能科技有限公司 Prevent off tracking conveyor and lithium cell production facility
CN214526267U (en) * 2021-02-25 2021-10-29 广东天酿智能装备有限公司 Tensioning deviation correcting device for conveying belt
CN216343186U (en) * 2021-12-10 2022-04-19 临沂兴滕人造板机械有限公司 Steel belt tensioning and deviation adjusting hydraulic device of continuous press

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2759627Y (en) * 2005-01-12 2006-02-22 中国石油天然气集团公司 Steel band hydraulic error correcting equipment
AU2007202586A1 (en) * 2007-06-06 2009-01-08 Gang Lin Passive hydraulic control deviation-correcting linkage machine
CN206288581U (en) * 2016-11-30 2017-06-30 河南中烟工业有限责任公司 A kind of belt conveyer
CN106514919A (en) * 2016-12-30 2017-03-22 桂林电器科学研究院有限公司 Tensioning and rectifying system of steel belt of plastic film casting machine set
CN107973082A (en) * 2017-12-06 2018-05-01 徐工集团工程机械有限公司 A kind of movable crusher Control System of Belt Conveyer
CN213444597U (en) * 2020-09-07 2021-06-15 深圳吉阳智能科技有限公司 Prevent off tracking conveyor and lithium cell production facility
CN214526267U (en) * 2021-02-25 2021-10-29 广东天酿智能装备有限公司 Tensioning deviation correcting device for conveying belt
CN216343186U (en) * 2021-12-10 2022-04-19 临沂兴滕人造板机械有限公司 Steel belt tensioning and deviation adjusting hydraulic device of continuous press

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