CN113790783A - Method and system for controlling thickness and weight of asphalt coiled material product - Google Patents
Method and system for controlling thickness and weight of asphalt coiled material product Download PDFInfo
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- CN113790783A CN113790783A CN202111087758.XA CN202111087758A CN113790783A CN 113790783 A CN113790783 A CN 113790783A CN 202111087758 A CN202111087758 A CN 202111087758A CN 113790783 A CN113790783 A CN 113790783A
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- 239000010426 asphalt Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims description 34
- 238000005303 weighing Methods 0.000 claims description 18
- 238000004260 weight control Methods 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a method and a system for controlling thickness and weight of an asphalt coiled material product, belonging to the technical field of weight detection, wherein the method comprises the following steps: setting the rated weight of a target asphalt coiled material product; respectively setting two upper limit values and two lower limit values according to the rated weight, wherein the two upper limit values comprise an allowable deviation upper limit value and a limit deviation upper limit value, and the lower limit value comprises an allowable deviation lower limit value and a limit deviation lower limit value; measuring the weight of a target asphalt coiled material product in real time to obtain measurement data, and comparing the measurement data with two upper limit values and two lower limit values; when the measured data is between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation, performing thickness adjustment alarm; and when the maximum measured value exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, stopping and alarming. The invention can ensure that the weight and the thickness of the product meet the requirements, and finally realize the stable quality of the product.
Description
Technical Field
The invention relates to the technical field of weight detection, in particular to a method and a system for controlling thickness and weight of an asphalt coiled material product.
Background
At present, the thickness and weight of the asphalt coiled material product are controlled by manual operation, and due to different responsibility and consciousness of personnel, workers cannot feed back the weight and thickness abnormal conditions of the product in time and cannot adjust the thickness in time, so that the thickness and weight abnormal conditions of the product are caused, a large amount of defective products or waste products are generated, the cost is wasted, and the quality control of the product is not facilitated.
Disclosure of Invention
The invention aims to overcome the problems of thickness and weight control of an asphalt coiled material product in the prior art, and provides a method and a system for controlling the thickness and weight of the asphalt coiled material product.
The purpose of the invention is realized by the following technical scheme:
there is provided a method for controlling thickness and weight of an asphalt web product, the method comprising the steps of:
setting the rated weight of a target asphalt coiled material product; respectively setting two upper limit values and two lower limit values according to the rated weight, wherein the two upper limit values comprise an allowable deviation upper limit value and a limit deviation upper limit value, and the lower limit value comprises an allowable deviation lower limit value and a limit deviation lower limit value;
measuring the weight of a target asphalt coiled material product in real time to obtain measurement data, and comparing the measurement data with two upper limit values and two lower limit values;
when the measurement data are located between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation, performing thickness adjustment alarm; and when the maximum measured value exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, a shutdown alarm is carried out.
As a preferred item, the thickness adjusting alarm comprises an upper limit alarm and a lower limit alarm, when the upper limit alarm occurs, the thickness of the target asphalt coiled material product is adjusted downwards, and when the lower limit alarm occurs, the thickness of the target asphalt coiled material product is adjusted upwards.
As a preferred item, a method for controlling thickness and weight of asphalt coiled material products, when the stop alarm occurs, the operation of the production line is stopped and abnormal problems of the production line are detected.
As a preferred option, the measurement data is compared with two upper limit values and two lower limit values by taking the maximum value of the measurement data.
The present invention also provides a system for controlling thickness and weight of an asphalt web product, the system comprising:
the weighing device is used for measuring the weight of a target asphalt coiled material product in real time to obtain measurement data and transmitting the measurement data to the controller;
a controller for setting a rated weight of a target asphalt coil product, two upper limit values and two lower limit values, wherein the two upper limit values comprise an upper allowable deviation value and an upper limit deviation value, and the lower limit value comprises a lower allowable deviation value and a lower limit deviation value;
the controller is also used for comparing the measurement data with two upper limit values and two lower limit values;
the alarm device is connected with the controller and is used for performing thickness adjustment alarm when the measurement data is positioned between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation; and when the measured data exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, the alarm device carries out shutdown alarm.
As a preferred aspect, an asphalt web product thickness and weight control system, said system further comprising:
and the winding device is used for adjusting the thickness of the target asphalt coiled material product up/down when the thickness adjustment alarm is generated.
As a preferred aspect, an asphalt web product thickness and weight control system, said system further comprising: the production line and the production line control device are connected with the controller; and the production line control device is used for controlling the production line to stop running and detecting the abnormal problem of the production line when the shutdown alarm occurs.
As a preferred aspect, the weighing device sends the maximum value of the measured data to the controller.
As a preferred item, the alarm device is an audible and visual alarm.
As a preferred option, the production line control device comprises a PLC control room.
It should be further noted that the technical features corresponding to the options of the method or the system can be combined with each other or replaced to form a new technical solution.
Compared with the prior art, the invention has the beneficial effects that:
(1) the method comprises the steps that two upper limit values and two lower limit values are respectively set according to the rated weight of a target asphalt coiled material product, the two upper limit values comprise an allowable deviation upper limit value and a limit deviation upper limit value, and the lower limit value comprises an allowable deviation lower limit value and a limit deviation lower limit value; comparing the measured data with two upper limit values and two lower limit values, and giving different alarms according to conditions; if the thickness adjustment alarm occurs and the production line is still running, the thickness of the product is adjusted by using the production line, and waste and defective products of the product are avoided; if the machine is stopped and the alarm is given, whether the compression roller of the production line is abnormal or not needs to be checked, the adjustment is carried out in time, the generation of waste and defective products is reduced, the weight and the thickness of the product are ensured to meet the requirements, and the stable quality of the product is finally realized.
(2) The coiled material is in a motion process when entering a weighing stage after being rolled, the display value of the weighing equipment is a fluctuation value, and the maximum value of the measured data is compared with two upper limit values and two lower limit values, so that the accuracy of the measured result is ensured.
(3) The system realizes the automatic operation of detecting and weighing through the controller, the alarm device and the production line control device, overcomes the defects of manual operation, and is simple and easy to realize.
Drawings
FIG. 1 is a flow chart of a method of controlling thickness and weight of an asphalt web product according to the present invention;
FIG. 2 is a schematic diagram of a bitumen coil product thickness and weight control system of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are directions or positional relationships described based on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention mainly combines a plurality of weight limit value settings and alarm settings through an automatic control system to ensure that the weight and the thickness of the product meet the requirements and finally realize the stable quality of the product.
Example 1
In an exemplary embodiment, as shown in FIG. 1, a method for controlling thickness and weight of an asphalt web product is provided, the method comprising:
setting the rated weight of a target asphalt coiled material product; respectively setting two upper limit values and two lower limit values according to the rated weight, wherein the two upper limit values comprise an allowable deviation upper limit value and a limit deviation upper limit value, and the lower limit value comprises an allowable deviation lower limit value and a limit deviation lower limit value;
measuring the weight of a target asphalt coiled material product in real time to obtain measurement data, and comparing the measurement data with two upper limit values and two lower limit values;
when the measurement data are located between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation, performing thickness adjustment alarm; and when the maximum measured value exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, a shutdown alarm is carried out.
Specifically, the greater the thickness of the bitumen coil product, the greater the weight, the smaller the thickness, the smaller the weight, the product thickness being proportional to the product weight. The method comprises the steps of rolling, weighing and heat sealing, wherein the weighing stage needs to monitor the weight of the product, and two upper limit values and two lower limit values are respectively set according to the rated weight, wherein the two upper limit values comprise an allowable deviation upper limit value and a limit deviation upper limit value, and the lower limit value comprises an allowable deviation lower limit value and a limit deviation lower limit value.
Further, if the production line is still in normal operation when the alarm of thickness adjustment occurs, the thickness of the product is adjusted by using the production line, and the weight of the product can be adjusted by adjusting the thickness, so that waste and defective products of the product are avoided; if the machine is stopped and the alarm is given, whether the compression roller of the production line is abnormal or not needs to be checked, the adjustment is carried out in time, the generation of waste and defective products is reduced, the weight and the thickness of the product are ensured to meet the requirements, and the stable quality of the product is finally realized.
Further, the weight of each roll of web material is theoretically kept constant after the thickness is determined, which is a method of reflecting the thickness of the product by weight rather than directly detecting the thickness of the product. Setting 2 limit values, namely early warning and direct shutdown, wherein the early warning indicates that the product belongs to a controllable stage and can be directly adjusted; the shutdown indicates that the product is not controllable and needs to be checked for production.
Further, this application just weighs the coiled material after the rolling, and online thickness measurement is very inaccurate problem when avoiding the rolling, and the reason is that the coiled material is in the motion state before the rolling always, and unable accurate thickness measurement under the motion state, secondly, this application does not use optical device thickness measurement, because optical device can't ensure completely measuring angle, in case there is the deviation will cause the data distortion, the coiled material surface can cause the measured data deviation big if a small amount of unevenness positions appear equally.
Example 2
Based on embodiment 1, a method for controlling thickness and weight of an asphalt coiled material product is provided, wherein the thickness adjustment alarm comprises an upper limit alarm and a lower limit alarm, the thickness of the target asphalt coiled material product is adjusted downwards when the upper limit alarm occurs, and the thickness of the target asphalt coiled material product is adjusted upwards when the lower limit alarm occurs.
Specifically, if the weight of the product is within the standard deviation range, no alarm is given, and the production is normally operated; if the alarm occurs and the production line still runs, the upper limit alarm or the lower limit alarm is firstly confirmed, the upper limit alarm indicates that the product is thicker and needs to be timely adjusted downwards, the cost is saved, the lower limit alarm needs to be timely adjusted upwards, the product thickness index is ensured to be qualified, and waste and defective products of the product are avoided.
Further, when the shutdown alarm occurs, the production line is stopped and abnormal problems of the production line are detected.
Further, the method for controlling the thickness and the weight of the asphalt coiled material product is characterized in that the maximum value of the measurement data is compared with two upper limit values and two lower limit values. Specifically, when the asphalt coiled material product enters the weighing stage after being rolled, the process is a motion process, the display value of the weighing equipment is a fluctuation value, when the coiled material is not completely positioned on the weighing device in the motion process, the weighed weight can be greatly reduced, the maximum value measured when the coiled material is completely positioned on the weighing device is the weight of the coiled material, and the maximum value is taken to ensure the accuracy of the measuring result.
Example 3
The present invention also provides an asphalt coil product thickness and weight control system, as shown in fig. 2, comprising:
the weighing device 4 is used for measuring the weight of a target asphalt coiled material product in real time to obtain measurement data and transmitting the measurement data to the controller;
a controller 5 for setting a rated weight of a target asphalt coil product, two upper limit values and two lower limit values, wherein the two upper limit values comprise an upper allowable deviation value and an upper limit deviation value, and the lower limit value comprises a lower allowable deviation value and a lower limit deviation value;
the controller 5 is further configured to compare the measurement data with two upper limit values and two lower limit values;
the alarm device 6 is connected with the controller 5 and is used for carrying out thickness adjustment alarm when the measurement data is positioned between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation; when the measured data exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, the alarm device 6 carries out shutdown alarm.
Further, an asphalt web product thickness and weight control system, the system further comprising:
and the winding device 1 is used for adjusting the thickness of the target asphalt coiled material product up/down when the thickness adjustment alarm is generated. Reference numeral 2 denotes a transport device for the weighing stage and reference numeral 3 denotes a device for the sealing stage.
Further, an asphalt web product thickness and weight control system, the system further comprising: the production line 8 and the production line control device 7, wherein the production line control device 7 is connected with the controller 5; and the production line control device 7 is used for controlling the production line 8 to stop running and detecting the abnormal problem of the production line 8 when the shutdown alarm occurs.
Further, in the asphalt coiled material product thickness and weight control system, the weighing device 4 sends the maximum value of the measured data to the controller 5. When the target asphalt coiled material product enters a weighing stage after being rolled, the display value of the weighing device 4 is a fluctuation value due to the motion process, and when the jump value reaches the maximum value, the weight information is input into the controller 5 for judgment, so that the accuracy of measurement is ensured.
Further, the alarm device 6 is an audible and visual alarm or other types of alarm devices. The alarm device 6 is a conventional alarm on the market.
Further, the production line control device 7 comprises a PLC control room and adopts MCGS configuration software.
The above detailed description is for the purpose of describing the invention in detail, and it should not be construed that the detailed description is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the invention.
Claims (10)
1. A method for controlling thickness and weight of asphalt coiled material products is characterized by comprising the following steps:
setting the rated weight of a target asphalt coiled material product; respectively setting two upper limit values and two lower limit values according to the rated weight, wherein the two upper limit values comprise an allowable deviation upper limit value and a limit deviation upper limit value, and the lower limit value comprises an allowable deviation lower limit value and a limit deviation lower limit value;
measuring the weight of a target asphalt coiled material product in real time to obtain measurement data, and comparing the measurement data with two upper limit values and two lower limit values;
when the measurement data are located between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation, performing thickness adjustment alarm; and when the maximum measured value exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, a shutdown alarm is carried out.
2. The method of claim 1, wherein the thickness adjustment alarm comprises an upper limit alarm and a lower limit alarm, wherein the thickness of the target asphalt coiled material product is adjusted downward when the upper limit alarm occurs, and the thickness of the target asphalt coiled material product is adjusted upward when the lower limit alarm occurs.
3. The method of claim 1 wherein upon the occurrence of the shutdown alarm, stopping the production line and detecting an abnormal problem with the production line.
4. The method of claim 1, wherein the maximum value of the measurement data is compared with two upper and two lower values.
5. An asphalt web product thickness and weight control system, said system comprising:
the weighing device is used for measuring the weight of a target asphalt coiled material product in real time to obtain measurement data and transmitting the measurement data to the controller;
a controller for setting a rated weight of a target asphalt coil product, two upper limit values and two lower limit values, wherein the two upper limit values comprise an upper allowable deviation value and an upper limit deviation value, and the lower limit value comprises a lower allowable deviation value and a lower limit deviation value;
the controller is also used for comparing the measurement data with two upper limit values and two lower limit values;
the alarm device is connected with the controller and is used for performing thickness adjustment alarm when the measurement data is positioned between the upper limit value of the allowable deviation and the upper limit value of the limit deviation or between the lower limit value of the allowable deviation and the lower limit value of the limit deviation; and when the maximum measured value exceeds the upper limit value of the limit deviation or is lower than the lower limit value of the limit deviation, the alarm device carries out shutdown alarm.
6. The asphalt web product thickness and weight control system of claim 5, further comprising:
and the winding device is used for adjusting the thickness of the target asphalt coiled material product up/down when the thickness adjustment alarm is generated.
7. The asphalt web product thickness and weight control system of claim 5, further comprising: the production line and the production line control device are connected with the controller; and the production line control device is used for controlling the production line to stop running and detecting the abnormal problem of the production line when the shutdown alarm occurs.
8. An asphalt web product thickness and weight control system according to claim 5, wherein said weighing means sends a maximum measurement data value to said controller.
9. An asphalt web product thickness and weight control system according to claim 5, wherein said alarm means is an audible and visual alarm.
10. The asphalt web product thickness and weight control system of claim 7, wherein said process control means comprises a PLC control room.
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| CN202111087758.XA CN113790783A (en) | 2021-09-16 | 2021-09-16 | Method and system for controlling thickness and weight of asphalt coiled material product |
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| CN202111087758.XA CN113790783A (en) | 2021-09-16 | 2021-09-16 | Method and system for controlling thickness and weight of asphalt coiled material product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408458A (en) * | 2022-03-17 | 2022-04-29 | 广东包庄科技有限公司 | Method and system for controlling weight of single-roll packing belt |
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Application publication date: 20211214 |