CN111496977A - Calcium silicate board on-line thickness automatic control device and control method - Google Patents
Calcium silicate board on-line thickness automatic control device and control method Download PDFInfo
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- CN111496977A CN111496977A CN202010341931.3A CN202010341931A CN111496977A CN 111496977 A CN111496977 A CN 111496977A CN 202010341931 A CN202010341931 A CN 202010341931A CN 111496977 A CN111496977 A CN 111496977A
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- thickness
- forming
- control system
- calcium silicate
- thickness data
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
- B28B1/40—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon by wrapping, e.g. winding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/027—Feeding the moulding material in measured quantities from a container or silo by using a removable belt or conveyor transferring the moulding material to the moulding cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0072—Product control or inspection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
Abstract
The invention discloses a calcium silicate board on-line thickness automatic control device and a control method, wherein the control device comprises: the conveying mechanism is used for conveying blanks used for producing the calcium silicate boards; the forming mechanism is positioned on one side of the conveying mechanism and is used for bonding the blank to form small material layers and forming a blank plate by using a plurality of small material layers; the forming mechanism is provided with a plurality of laser thickness gauges, the plurality of laser thickness gauges respectively collect a plurality of first thickness data of different positions of each small material layer, and the collected plurality of first thickness data are transmitted to the control system; the control system is connected with the conveying mechanism and the forming mechanism respectively, second thickness data of the small material layer are preset in the control system, and the control system is used for receiving the plurality of first thickness data transmitted by the plurality of laser thickness gauges and controlling the running speed of the conveying mechanism according to the plurality of first thickness data and the second thickness data. The invention can automatically control and adjust the thickness of the small material layer and improve the qualification rate of the calcium silicate board.
Description
Technical Field
The invention relates to the field of calcium silicate board production equipment, in particular to an automatic online thickness control device and a control method for a calcium silicate board.
Background
The calcium silicate board is made up by using loose short fibre of inorganic mineral fibre or cellulose fibre as reinforcing material and using siliceous-calcareous material as main body cementing material through the processes of pulping, forming and curing reaction in high-temp. high-pressure saturated steam to form calcium silicate gel body. The product is fireproof, moistureproof, soundproof, mothproof and durable, and is an ideal decorative plate for suspended ceilings and partitions.
In the existing process of producing the calcium silicate board by using the copying method, in the rotating process of the forming cylinder, the blank on the surface of the felt can be automatically bonded on the forming cylinder to form a small material layer, and the small material layer on the forming cylinder is increased by one layer when the forming cylinder rotates for one circle. Whether the cutter needs to be drawn is generally determined according to the number of turns of the forming cylinder in the production process. However, in the process of implementing the invention, the inventor finds that the following problems exist in the prior art: in the existing production process, the thickness of the small material layer and the set thickness may have deviation, so that the thickness of the produced calcium silicate plate has deviation, and the qualified rate is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the on-line automatic control device and the control method for the calcium silicate board.
The purpose of the invention is realized by the following technical scheme:
an automatic online thickness control device for calcium silicate boards comprises:
the conveying mechanism is used for conveying blanks used for producing the calcium silicate boards;
the forming mechanism is positioned on one side of the conveying mechanism and is used for bonding the blank to form small material layers and forming a blank plate by using a plurality of small material layers; the forming mechanism is provided with a plurality of laser thickness gauges, the plurality of laser thickness gauges are used for respectively collecting a plurality of first thickness data of different positions of each small material layer and transmitting the collected first thickness data to the control system;
and the control system is connected with the conveying mechanism and the forming mechanism respectively, second thickness data of the small material layer are preset in the control system, and the control system is used for receiving a plurality of first thickness data transmitted by a plurality of laser thickness gauges and controlling the running speed of the conveying mechanism according to the plurality of first thickness data and the second thickness data.
Further comprising:
and the blank receiving mechanism is positioned on one side of the forming mechanism, is connected with the control system and is used for receiving and conveying the blank plate.
The forming mechanism comprises a forming main body, a forming barrel and a cutter, the forming barrel is rotatably connected with the forming main body, the cutter is located on one side of the forming barrel, and the cutter is used for cutting the blank plate.
The forming mechanism further comprises a turn number measuring sensor, the turn number measuring sensor is located on one side of the forming cylinder, and the turn number measuring sensor is used for measuring the rotation turn number of the forming cylinder and transmitting the rotation turn number to the control system.
The forming mechanism further comprises a mounting frame, and the laser thickness gauges are fixed on the mounting frame respectively.
The laser thickness measuring instruments are three, and the three laser thickness measuring instruments are arranged above different positions on the same side face of the forming cylinder respectively in the cylindrical structure of the forming cylinder.
The invention also discloses a control method of the calcium silicate board on-line thickness automatic control device, which comprises the following steps:
the conveying mechanism conveys the material blanks used for producing the calcium silicate plates to the forming mechanism;
the forming mechanism bonds the blank to the forming cylinder to form small material layers, and a blank plate is formed by the small material layers; the laser thickness gauges respectively collect a plurality of first thickness data of different positions of each small material layer and transmit the collected first thickness data to the control system;
the control system receives the plurality of first thickness data, second thickness data of the small material layer are preset in the control system, and the control system controls the running speed of the conveying mechanism according to the plurality of first thickness data and the second thickness data.
Further comprising the steps of:
the forming mechanism conveys the blank plate to a blank receiving mechanism, and the blank receiving mechanism receives and conveys the blank plate.
The control system controls the operation of the conveying mechanism according to the plurality of first thickness data and the plurality of second thickness data, and specifically comprises the following steps:
calculating an average value of a plurality of first thickness data of each laser thickness gauge, wherein the average value is a first average value;
then calculating the average value of the first average values of the plurality of first laser thickness gauges, wherein the average value is a second average value;
and comparing the second average value with the second thickness data, and calculating and controlling the running speed of the conveying mechanism by adopting a PID algorithm according to the comparison result.
Compared with the prior art, the invention has the following beneficial effects:
in the process of producing the calcium silicate board by the copying method, the thickness of the blank conveyed by the conveying mechanism is the thickness of a single small material layer, and the thickness of the blank is mainly determined by the concentration of slurry, the liquid level of the slurry and the linear speed of the conveying mechanism. Among the three factors influencing the thickness of the small material layers, the concentration and the liquid level of the slurry are basically constant, and the thickness of a single small material layer is mainly determined by the linear speed of the conveying mechanism. Under the same condition, the faster the linear speed of the conveying mechanism is, the thinner the thickness of the small material layer is, and conversely, the slower the linear speed of the conveying mechanism is, the thicker the thickness of the small material layer is.
The forming mechanism is provided with a plurality of laser thickness gauges, the plurality of laser thickness gauges are used for measuring the thickness of each small material layer at different positions respectively, the control system is used for controlling the linear speed of the conveying mechanism according to the plurality of first thickness data and the preset second thickness data, when the thickness of the small material layer is smaller than the preset second thickness, the linear speed of the conveying mechanism is slowed down, and when the thickness of the small material layer is larger than the preset second thickness, the linear speed of the conveying mechanism is quickened. According to the invention, the linear speed of the conveying mechanism is automatically controlled and adjusted through the first thickness data, so that the thickness of the calcium silicate plate is controlled, the qualification rate of the calcium silicate plate is improved, and the loss is reduced.
Drawings
FIG. 1 is a schematic view of a partial three-dimensional structure of an automatic control device for the on-line thickness of a calcium silicate board according to the present invention;
FIG. 2 is a partial schematic view of a front view of an automatic control device for the on-line thickness of a calcium silicate board according to the present invention;
FIG. 3 is a flow chart of a control method of the automatic online thickness control device for calcium silicate boards according to the present invention;
in the figure:
1. a conveying mechanism; 2. a molding mechanism; 3. a blank receiving mechanism; 11. fetching a towel; 21. forming a main body; 22. a forming cylinder; 23. a laser thickness gauge; 24. a mounting frame; 25. a thickness gauge switch; 26. a cutter switch; 27. a circle number signal switch; 31. and (6) connecting the blank belt.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 and fig. 2, the present embodiment discloses an automatic online thickness control device for calcium silicate boards, which includes a conveying mechanism 1, a forming mechanism 2, a blank receiving mechanism 3, and a control system (not shown in the figure), wherein the control system is a conventional and common P L C control system, and the conveying mechanism 1, the forming mechanism 2, and the blank receiving mechanism 3 of the present embodiment are all connected to the control system, and the operation of the control system is controlled by the control system.
The conveying mechanism 1 of the embodiment can be controlled by a motor to operate, a movable picking towel 11 is arranged on the conveying mechanism 1, and the picking towel 11 is used for conveying blanks for producing the calcium silicate board to the forming mechanism 2.
The forming mechanism 2 is located on one side of the conveying mechanism 1, and the forming mechanism 2 of the embodiment includes a forming main body 21, a forming cylinder 22, a cutter, a plurality of laser thickness gauges 23 and a circle number measuring sensor, preferably, three laser thickness gauges 23 are provided. The forming tube 22 is a cylinder structure, two ends of the forming tube 22 can be rotatably connected with the forming body 21 through a rotating shaft, a rotating hole and the like, the forming tube 22 of the embodiment is connected with a motor, and the motor drives the forming tube to rotate. Be equipped with mounting bracket 24 on the shaping main part 21, three laser thickness gauge 23 is fixed in respectively on mounting bracket 24, and three laser thickness gauge 23 is located the top of the different positions of the same side of a shaping section of thick bamboo 22 respectively. Cutter and number of turns measuring transducer are located one side of a shaping section of thick bamboo 22 respectively, still are equipped with calibrator switch 25, cutter switch 26, number of turns signal switch 27 on the shaping main part 21, and calibrator switch 25 links to each other with control system and thickness tester respectively, and cutter switch 26 links to each other with control system and cutter respectively, and number of turns signal switch 27 links to each other with control system and number of turns measuring transducer respectively.
After the blank is conveyed to the forming mechanism 2, the blank is automatically bonded to the forming cylinder 22 to form small material layers, and a plurality of small material layers form a blank plate of the calcium silicate plate, wherein the thickness of the small material layers is the same as that of the single-layer blank conveyed by the picking towel 11. The three laser thickness gauges 23 respectively collect first thickness data of different positions of each small material layer in the rotating process of the forming cylinder 22, and transmit the collected first thickness data to the control system.
The turn number measuring sensor measures the number of turns of the forming drum 22 during rotation of the forming drum 22 and transmits the number of turns to the control system. The number of turns of the forming cylinder 22 is preset in the control system, and when the number of turns of the forming cylinder 22 measured by the number-of-turns measuring sensor reaches the preset number of turns, the control system controls the cutter to cut the blank plate, so that the blank plate is separated from the forming cylinder 22. After the blank plate is separated from the forming cylinder 22, the blank plate enters the blank receiving mechanism 3. The blank receiving mechanism 3 is provided with a blank receiving belt which is driven by a motor to run and conveys the blank plate to the next process.
In the control system of this embodiment, the second thickness data of the small material layer is preset, and after the control system receives the plurality of first thickness data transmitted by the three laser thickness meters 23, the control system first calculates an average value of the plurality of first thickness data acquired by each laser thickness meter 23, where the average value is a first average value; then, the average value of the first average values of the three laser thickness gauges 23 is calculated, and the average value is a second average value, and the second average value is the real-time thickness of each small material layer. And then comparing the second average value with second thickness data preset in the control system, and controlling and adjusting the linear speed of the conveying mechanism 1 by adopting a PID algorithm according to the difference value.
In the process of producing the calcium silicate board by the copying method, the thickness of the blank conveyed by the conveying mechanism 1, namely the thickness of a single small material layer, mainly depends on the concentration of slurry, the liquid level of the slurry and the linear speed of the conveying mechanism 1. Of the three factors influencing the thickness of the small material layers, the concentration and the liquid level of the slurry are basically constant, and the thickness of a single small material layer is mainly determined by the linear speed of the conveying mechanism 1. Under the same condition, the larger the linear velocity of the conveying mechanism 1 is, the thinner the thickness of the small material layer is, and conversely, the smaller the linear velocity of the conveying mechanism 1 is, the thicker the thickness of the small material layer is.
Be equipped with three laser thickness meter 23 on the forming mechanism 2 of this embodiment, three laser thickness meter 23 carries out thickness measurement to the different positions of each little bed of material respectively, control system then goes the linear velocity of control conveying mechanism 1 according to a plurality of first thickness data and predetermined second thickness data, when the thickness of little bed of material is thinner than predetermined second thickness, then the linear velocity of speed adjusting conveying mechanism 1, when the thickness of little bed of material is thicker than predetermined second thickness, then the linear velocity of speed adjusting conveying mechanism 1. In the embodiment, the linear speed of the conveying mechanism 1 is automatically controlled and adjusted through the first thickness data, so that the thickness of the calcium silicate plate is controlled, and the qualification rate of the calcium silicate plate is improved.
As shown in fig. 3, this embodiment further discloses a control method of the automatic online thickness control device for calcium silicate boards, where the control method includes the following steps:
s10: the conveying mechanism 1 conveys the blanks used for producing the calcium silicate plates to the forming mechanism 2;
s20: the molding mechanism 2 bonds the blank on the molding cylinder 22 to form small material layers, and forms a blank plate by a plurality of small material layers; the laser thickness gauges 23 respectively collect a plurality of first thickness data of different positions of each small material layer, and transmit the collected first thickness data to the control system;
and S30, the control system receives the plurality of first thickness data, the control system is preset with second thickness data of the small material layer, and the control system controls the running speed of the conveying mechanism 1 according to the plurality of first thickness data and the second thickness data.
In the above step, the control system controls the operation of the conveying mechanism 1 according to the plurality of first thickness data and the plurality of second thickness data, and specifically includes the following steps:
calculating an average value of the plurality of first thickness data of each laser thickness gauge 23, wherein the average value is a first average value;
then, calculating an average value of the first average values of the plurality of first laser thickness gauges 23, wherein the average value is a second average value;
and comparing the second average value with the second thickness data, and calculating and controlling the running speed of the conveying mechanism 1 by adopting a PID algorithm according to the comparison result.
The second average value is the thickness of the small material layer, the measured thickness of the small material layer is compared with the preset thickness of the small material layer, if the second average value is smaller than the second thickness, the thickness of the small material layer is thinner, the linear speed of the conveying mechanism 1 is slowed down, and the thickness of the small material layer is thickened; when the second average value is larger than the second thickness, the thickness of the small material layer is thicker, and the linear speed of the conveying mechanism 1 is adjusted to be faster; when the second average value is the same as the second thickness or the difference between the second average value and the second thickness is within a predetermined range, the linear speed of the conveying mechanism 1 is kept constant.
The control method of the embodiment further includes the steps of:
the forming mechanism 2 conveys the blank plate to the blank receiving mechanism 3, the blank receiving mechanism 3 receives and conveys the blank plate, and the blank plate is conveyed to the next process.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.
Claims (9)
1. An online thickness automatic control device of calcium silicate board, characterized by includes:
the conveying mechanism is used for conveying blanks used for producing the calcium silicate boards;
the forming mechanism is positioned on one side of the conveying mechanism and is used for bonding the blank to form small material layers and forming a blank plate by using a plurality of small material layers; the forming mechanism is provided with a plurality of laser thickness gauges, the plurality of laser thickness gauges are used for respectively collecting a plurality of first thickness data of different positions of each small material layer and transmitting the collected first thickness data to the control system;
and the control system is connected with the conveying mechanism and the forming mechanism respectively, second thickness data of the small material layer are preset in the control system, and the control system is used for receiving a plurality of first thickness data transmitted by a plurality of laser thickness gauges and controlling the running speed of the conveying mechanism according to the plurality of first thickness data and the second thickness data.
2. The automatic control device for the on-line thickness of a calcium silicate board according to claim 1, further comprising:
and the blank receiving mechanism is positioned on one side of the forming mechanism, is connected with the control system and is used for receiving and conveying the blank plate.
3. The automatic online thickness control device for calcium silicate boards as claimed in any one of claims 1 or 2, wherein the forming mechanism comprises a forming body, a forming cylinder and a cutter, the forming cylinder is rotatably connected with the forming body, the cutter is located at one side of the forming cylinder, and the cutter is used for cutting the blank board.
4. The automatic online calcium silicate board thickness control device of claim 3, wherein the forming mechanism further comprises a turn number measuring sensor, the turn number measuring sensor is positioned at one side of the forming cylinder, and the turn number measuring sensor is used for measuring the turn number of the forming cylinder and transmitting the turn number to the control system.
5. The on-line automatic control device of calcium silicate board as claimed in claim 3, wherein said forming mechanism further comprises a mounting frame, and a plurality of said laser thickness gauges are respectively fixed to said mounting frame.
6. The on-line automatic control device of calcium silicate board as claimed in claim 5, wherein there are three laser thickness gauges, and the three laser thickness gauges are respectively located above different positions on the same side of the forming cylinder.
7. The control method of the calcium silicate board on-line thickness automatic control device is characterized by comprising the following steps of:
the conveying mechanism conveys the material blanks used for producing the calcium silicate plates to the forming mechanism;
the forming mechanism bonds the blank on the forming cylinder to form small material layers, and a blank plate is formed by a plurality of small material layers; the laser thickness gauges respectively collect a plurality of first thickness data of different positions of each small material layer and transmit the collected first thickness data to the control system;
the control system receives the plurality of first thickness data, second thickness data of the small material layer are preset in the control system, and the control system controls the running speed of the conveying mechanism according to the plurality of first thickness data and the second thickness data.
8. The method for controlling the automatic online calcium silicate board thickness control device according to claim 7, further comprising the steps of:
the forming mechanism conveys the blank plate to a blank receiving mechanism, and the blank receiving mechanism receives and conveys the blank plate.
9. The method for controlling the automatic online calcium silicate board thickness control device according to claim 7, wherein the control system controls the operation of the conveying mechanism according to a plurality of first thickness data and second thickness data, and specifically comprises the following steps:
calculating an average value of a plurality of first thickness data of each laser thickness gauge, wherein the average value is a first average value;
then calculating the average value of the first average values of the plurality of first laser thickness gauges, wherein the average value is a second average value;
and comparing the second average value with the second thickness data, and calculating and controlling the running speed of the conveying mechanism by adopting a PID algorithm according to the comparison result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341931.3A CN111496977A (en) | 2020-04-27 | 2020-04-27 | Calcium silicate board on-line thickness automatic control device and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010341931.3A CN111496977A (en) | 2020-04-27 | 2020-04-27 | Calcium silicate board on-line thickness automatic control device and control method |
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| CN111496977A true CN111496977A (en) | 2020-08-07 |
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| CN202010341931.3A Pending CN111496977A (en) | 2020-04-27 | 2020-04-27 | Calcium silicate board on-line thickness automatic control device and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117553729A (en) * | 2024-01-11 | 2024-02-13 | 河北仰世科技有限公司 | Metering device and metering method for processing negative ion spc stone plastic plate |
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