WO2018196165A1 - 一种石膏板成型***的控制方法 - Google Patents

一种石膏板成型***的控制方法 Download PDF

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Publication number
WO2018196165A1
WO2018196165A1 PCT/CN2017/092163 CN2017092163W WO2018196165A1 WO 2018196165 A1 WO2018196165 A1 WO 2018196165A1 CN 2017092163 W CN2017092163 W CN 2017092163W WO 2018196165 A1 WO2018196165 A1 WO 2018196165A1
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WO
WIPO (PCT)
Prior art keywords
motor
central processor
controls
preset
tank
Prior art date
Application number
PCT/CN2017/092163
Other languages
English (en)
French (fr)
Inventor
辛伟
王慧刚
唐大勇
冯亮
汪朋
张策
喻铁良
李德生
张洪旭
王海东
Original Assignee
北新集团建材股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北新集团建材股份有限公司 filed Critical 北新集团建材股份有限公司
Priority to EP17907599.9A priority Critical patent/EP3617822B1/en
Publication of WO2018196165A1 publication Critical patent/WO2018196165A1/zh

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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
    • B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
    • 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
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • B28B1/525—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing organic fibres, e.g. wood fibres
    • 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
    • B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
    • B28B13/0235—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material
    • 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
    • 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
    • B28B17/02—Conditioning the material prior to shaping
    • B28B17/023—Conditioning gypsum
    • 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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/0404—Proportioning
    • B28C7/0418—Proportioning control systems therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric

Definitions

  • the invention relates to the technical field of gypsum board production, in particular to the technical field of gypsum board forming systems.
  • the gypsum board forming process is the most important in the gypsum board production process, but it often stops due to paper breaks or equipment failures. Before each start-up, people need to adjust the dry and wet material cutting method and the forming belt. Speed and other parameters. The speed of the forming belt is slow at the time of starting up, and the amount of gypsum after mixing and stirring needs to be adjusted to the faster speed required for production. Under the prior art, the smooth growth rate cannot be achieved.
  • the present invention provides a control method of a gypsum board forming system that can be smoothly and quickly implemented.
  • the invention provides a control method of a gypsum board forming system, which comprises an operation screen, a central processor, a wet material adding device, a dry material adding device, a mixer and a molding device, wherein the operation panel
  • the wet material adding device, the dry material adding device, the mixer, and the molding device are all electrically connected to the central processor;
  • the wet material adding device comprises a foaming agent tank, a foaming agent motor, a pulp water tank, a pulp water motor, a pulp water flow meter, a stirring water tank, a stirring water motor, and a stirring water flow meter, wherein a blowing agent motor connected to the blowing agent tank, the pulp water motor being connected to the pulp water tank, the pulp water flow meter being located at a discharge port of the pulp water tank, and the center
  • the processor is electrically connected
  • the agitating water motor is connected to the agitating water tank
  • the agitating water flow meter is located at a discharge port of the agitating water tank, and is electrically connected to the central processor
  • a blowing agent motor, the pulp water motor, and the stirring water motor are electrically connected to the central processor, and the blowing agent tank, the pulp water tank, and the stirring water tank are all combined with the mixer Connected
  • the dry material adding device comprises a gypsum powder tank, a gypsum powder motor, a belt scale, a mixing device, a mixing reamer, a starch tank and a starch motor, wherein the gypsum powder motor, the belt scale, the mixing a reamer, the starch motor is electrically connected to the central processor, the gypsum powder motor is connected to the gypsum powder tank, the starch motor is connected to the starch tank, and the gypsum powder tank passes through
  • the belt scale is in communication with the mixing device, the starch tank is in communication with the mixing device, the mixing device is in communication with the mixer, and the mixing reamer is located in the mixing device;
  • the molding device comprises a molding station, an infrared detector, a forming plate, a forming belt, a forming belt motor and a paper take-up wheel
  • the mixer is in communication with the forming station
  • the infrared detector is disposed in the Above the molding station
  • the forming belt is disposed in parallel with the forming station
  • the paper-feeding wheel is located above the forming belt
  • the infrared detector, the forming belt motor and the paper-feeding wheel are both
  • the central processor is electrically connected;
  • the control method of the gypsum board forming system comprises the following steps:
  • the operation screen transmits the power-on signal to the central processor
  • the central processor controls the start of the mixer and the infrared detector, and controls the forming belt motor to operate at a preset initial speed
  • the central processor controls the wet material adding device and the dry material adding device to be sequentially activated
  • the central processor controls the mixer to open the blanking output port, and after the mixer opens the blanking output port for a first predetermined length of time, the central processor controls the forming plate to reach the working position, and After the forming plate reaches the working position for a second preset period of time, the central processor controls the paper picking wheel to reach the working position;
  • the infrared detector sends a notification signal to the central processor, and after receiving the notification signal, the central processor controls the forming belt motor
  • the rotational speed is uniformly increased from the initial preset rotational speed to a preset production rotational speed.
  • step 3 comprises:
  • the central processor controls the foaming agent motor, the pulp water motor and the stirring water motor to start, and receives the pulp water addition amount sent by the pulp water flow meter and the stirring water addition amount sent by the stirring water flow meter in real time;
  • the central processor controls the dry material adding device to start.
  • the central processor controlling the dry material adding device to start includes: controlling the mixing reamer, the starch motor, the belt scale, and the gypsum powder motor to be sequentially started or simultaneously started.
  • the preset pulp water addition amount threshold is greater than or equal to 6 tons, and the preset agitation water addition amount threshold is greater than or equal to 2 tons.
  • the first preset duration is 8-12 seconds.
  • the second preset duration is 5-8 seconds.
  • the predetermined initial rotational speed corresponds to a belt moving speed of 15 to 25 m/min
  • the preset production rotational speed corresponds to a belt moving speed of 45 to 60 m/min.
  • the control method of the gypsum board forming system provided by the invention is closely matched according to the blanking time between the dry material and the wet material, and the speed of the forming belt is automatically increased according to the amount of the gypsum after the mixing of the mixer, to achieve an ideal stable state, and the manual is solved. Adjusting the speed of the forming belt is not smooth enough, causing the belt speed to grow too fast, causing the cover paper to break, and the technical problems of the gypsum board crepe paper caused by the unbalanced contact speed between the gypsum board and the belt, optimizing the production process of the gypsum board and the products.
  • the indicators ensure the smooth progress of the production process and effectively reduce the production cost of gypsum board.
  • Figure 1 exemplarily shows a schematic structural view of a gypsum board forming system according to the present invention
  • Fig. 2 exemplarily shows an electrical connection schematic of a gypsum board forming system according to the present invention.
  • the present invention provides a method for controlling the gypsum board forming system.
  • Fig. 1 shows a schematic structural view of an embodiment of the gypsum board forming system
  • Fig. 2 shows a schematic view of the electrical connection of the gypsum board forming system
  • the gypsum board forming system 100 includes an operation panel 11, a center processor 12, a wet material adding device 13, a dry material adding device 14, a mixer 15, and a molding device 16, wherein the operation panel 11
  • the wet material adding device 13, the dry material adding device 14, the mixer 15 and the molding device 16 are all electrically connected to the center processor 12.
  • the operation screen 11 is used for starting, stopping, etc., and can also view the running process of the gypsum board forming system 100 at any time;
  • the device 12 is a signal hub and a control processing center of the gypsum board forming system 100, which can transmit signals, issue commands, and control the start-stop and operation processes of the corresponding devices according to different signals and information;
  • the material adding device 14 is configured to separately add the wet material and the dry material for preparing the gypsum board to the mixer 15;
  • the mixer 15 is uniformly mixed with the dry material and the dry material in the control of the central processor 12, and is output to the molding device 16 for gypsum. Forming the board.
  • the operation screen 11 may be a touch screen, or may be a combination of a common visual screen and an operation keyboard, and the user may select and set according to different usage environments and conditions;
  • the central processor 12 may be a PLC controller.
  • the wet material adding device 13 includes a foaming agent tank 131, a foaming agent motor 132, a pulp water tank 133, a pulp water motor 134, a pulp water flow meter 135, a stirring water tank 136, a stirring water motor 137, and a stirring water flow rate.
  • the blowing agent motor 132 is connected to the blowing agent tank 131.
  • the pulp water motor 134 is connected to the pulp water tank 133.
  • the pulp water flow meter 135 is located at the discharge port of the pulp water tank 133, and is electrically connected to the central processor 12, and the amount of pulp water added to the mixer 15 is fed back to the center processing in real time.
  • the central processor 12 controls the operation of the addition of other wet materials and dry materials, the molding device, etc. according to the value fed back from the pulp water flow meter 135; on the other hand, the central processor 12 can feed back the pulp water flow meter 135.
  • the value is compared with the volume of the pulp water tank 133 previously stored in the center processor 12, and when the difference between the volume of the pulp water tank 133 and the value fed back by the pulp water flow meter 135 is less than a preset value, the central processor 12
  • the pulp water is replenished into the pulp water tank 133 by an alarm or an automatic control.
  • the agitating water motor 137 is connected to the agitating water tank 136, and the agitating water flow meter 138 is located at the discharge port of the agitating water tank 136, and is electrically connected to the central processor 12, and the amount of the agitating water added to the mixer 15 is fed back to the center in real time.
  • the processor 12 on the one hand, the central processor 12 controls the operation of the addition of other wet materials and dry materials, the molding device, etc. according to the value fed back by the agitated water flow meter 138; on the other hand, the central processor 12 can set the agitating water flow meter 138.
  • the value of the feedback is compared with the volume of the agitating water tank 136 previously stored in the center processor 12, when the difference between the volume of the agitating water tank 136 and the value fed back by the agitating water flow meter 138 is less than a preset value, the central processor 12 Perform an alarm or automatic control to replenish the stirring water tank 136 with the stirring water.
  • the blowing agent motor 132, the pulp water motor 134 and the agitating water motor 137 are all electrically connected to the central processing unit 12, and the adding process of the blowing agent, the pulp water and the stirring water is controlled by the central processor 12; the blowing agent tank 131
  • the pulp water tank 133 and the stirring water tank 136 are all in communication with the mixer 15, so that the foaming agent, the pulp water and the stirred water can be directly transferred into the mixer 15 for mixing and stirring.
  • the dry material adding device 14 includes a gypsum powder tank 141, a gypsum powder motor 142, a belt weigher 143, a mixing device 144, a mixing reamer 145, a starch tank 146, and a starch motor 147.
  • the gypsum powder motor 142, the belt scale 143, the mixing reamer 145, and the starch motor 147 are all electrically connected to the central processor 12, and the start-stop and operation process is controlled by the central processor 12.
  • the gypsum powder motor 142 is connected to the gypsum powder tank 141, the starch motor 147 is connected to the starch tank 146, the gypsum powder tank 141 is in communication with the mixing device 144 via the belt weigher 143, and the starch tank 146 is in communication with the mixing device 144, the mixing device 144 In communication with the mixer 15, the mixing reamer 145 is located within the mixing device 144.
  • the central processor 12 controls the gypsum powder motor 142, the belt scale 143, and the mixing
  • the reamer 145 is activated and opens the outlet of the gypsum powder tank 141, and the gypsum powder is transferred to the mixing device 144 through the belt weigher 143; while controlling the opening of the starch can 146 to be opened, the starch motor 147 is activated to deliver the starch to the mixing device 144.
  • the gypsum powder and the starch are mixed by the mixing reamer 145, sent to the mixer 15 and mixed with the wet material, and then sent to the molding device 16 for gypsum board molding.
  • the molding apparatus 16 includes a molding station 161, an infrared detector 162, a molding plate 163, a molding belt 164, a forming belt motor 165, and a paper feed roller 166; wherein the mixer 15 is in communication with the molding station 161, and the mixer 15 will The dry material and the wet material are thoroughly mixed to form a gypsum slurry and directly sent to the molding station 161 for molding; the infrared detector 162 is disposed above the molding station 161 for detecting the thickness of the gypsum slurry of the molding station 161, and the detection result is fed back in real time.
  • the forming belt 164 is disposed in parallel with the forming station 161, and the gypsum slurry reaching the forming station 161 can be directly deposited on the forming belt 164.
  • the forming belt motor 165 is driven to drive the forming belt. 164 operates at an initial speed.
  • the paper feed roller 166 is located above the forming belt 164, and the infrared detector 162, the forming belt motor 165, and the paper feed roller 166 are all electrically connected to the center processor 12.
  • the lower facing paper and the upper facing paper are guided onto the forming belt 164, and the upper protective paper and the lower facing paper are driven by the friction between the forming belt 164 and the paper take-up wheel 166, and the gypsum slurry is wrapped in the upper guard.
  • the paper take-up wheel 166 is then lifted, and the forming plate 163 is dropped, and the gypsum board is formed.
  • the control method using the gypsum board forming system 100 described above according to the present invention comprises the following steps:
  • the operation screen 11 After receiving the power-on signal, the operation screen 11 transmits the power-on signal to the central processor 12;
  • the central processor 12 controls the mixer 15 and the infrared detector 162 to be activated, and controls the forming belt motor 165 to operate at a preset initial rotational speed;
  • the central processor 12 controls the wet material adding device 13 and the dry material adding device 14 to be sequentially activated;
  • the central processor 12 controls the mixer 15 to open the blanking output port. After the mixer 15 opens the blanking output port for a predetermined period of time, the central processor 12 controls the forming plate 163 to reach the working position, and reaches the working plate 163. After the working position is a second preset duration, the central processor 12 controls the paper feed roller 166 to reach the working position;
  • the infrared detector 162 After detecting that the thickness of the gypsum slurry on the forming station 161 reaches the preset thickness threshold, the infrared detector 162 sends a notification signal to the central processor 12, and after receiving the notification signal, the central processor 12 controls the rotational speed of the forming belt motor 165 from The initial preset speed is increased at a constant rate to the preset production speed.
  • step 3) includes:
  • the central processor 12 controls the blowing agent motor 132, the pulp water motor 134, and the agitating water motor 137 to be activated, and receives the amount of pulp water added by the pulp water flow meter 135 and the amount of stirring water sent by the agitating water flow meter 138 in real time. ;
  • the central processor 12 controls the dry material addition device 14 to be activated.
  • the central processor 12 controls the dry material adding device 14 to start: controlling the mixing reamer 145, the starch motor 147, The belt scale 143 and the gypsum powder motor 142 are sequentially activated or simultaneously activated.
  • the preset pulp water addition amount threshold is greater than or equal to 6 tons, and the preset stirring water addition amount threshold is greater than or equal to 2 tons; the first preset duration is 8 to 12 seconds, and the second preset duration is 5 to 8 seconds. .
  • the belt moving speed corresponding to the preset initial rotation speed is 15 to 25 m/min
  • the belt moving speed corresponding to the preset production rotation speed is 45 to 60 m/min.
  • the preset thickness threshold of the gypsum slurry thickness is set according to the thickness of the actual required gypsum board, and the gypsum board thickness larger than the production requirement is required.
  • the preset thickness threshold may be 80-100 mm.
  • the preset parameters are input in the central processor 12, including: belt preset initial speed 20 m / min, belt production speed 50 m / min, pulp water addition amount threshold 6 tons, stirring water addition amount threshold 2 tons, first pre- The duration is 10 seconds, the second preset time is 6 seconds, and the preset thickness threshold of the gypsum slurry is 80 mm.
  • the power-on button is activated on the operation panel 11.
  • the operation screen 11 After receiving the power-on signal, the operation screen 11 transmits the power-on signal to the central processor 12;
  • the central processor 12 controls the mixer 15 and the infrared detector 162 to be activated, and controls the forming belt motor 165 to drive the forming belt 164 to operate at a speed of 20 m/min;
  • the central processor 12 controls the blowing agent motor 132, the pulp water motor 134, and the agitating water motor 137 to be activated, and receives the amount of pulp water added by the pulp water flow meter 135 and the amount of stirring water sent by the agitating water flow meter 138 in real time. ;
  • the center processor 12 controls the mixing reamer 145, the starch motor 147, the belt scale 143, and the gypsum powder motor 142 to be sequentially activated or simultaneously activated;
  • the central processor 12 controls the mixer 15 to open the blanking output port. After the mixer 15 opens the blanking output port for 10 seconds, the central processor 12 controls the forming plate 163 to reach the working position, and reaches the working position 6 at the forming plate 163. After two seconds, the central processor 12 controls the paper feed roller 166 to reach the working position;
  • the infrared detector 162 After detecting that the thickness of the gypsum slurry on the forming station 161 reaches 80 mm, the infrared detector 162 sends a notification signal to the central processor 12, and after receiving the notification signal, the central processor 12 controls the rotational speed of the forming belt motor 165 to increase uniformly.
  • the running speed of the forming belt 164 was increased from 20 m/min to 50 m/min. That is, the forming belt motor 165 is controlled by the center processor 12 to perform uniform speed increasing, for example, the process can be controlled by the frequency converter.
  • the forming belt is controlled to automatically and smoothly increase the speed according to the thickness of the gypsum slurry reaching the forming station, thereby avoiding
  • the problem of quality problems such as the breakage of the protective paper and the crepe paper of the gypsum board caused by the excessive speed increase of the belt ensures the smooth progress of the gypsum board forming process and effectively reduces the production cost.
  • the specific dimensional values of the members listed in the present invention are exemplary values, and the dimensional parameters of the different members may take different values in actual operation as needed.
  • the invention according to the close cooperation between the dry material and the wet material in the production process of the gypsum board, achieves the automatic speed increase of the forming belt according to the amount of gypsum after mixing and stirring, and achieves an ideal stable state, and solves the manual adjustment molding belt.
  • the technical problem of the gypsum board crepe paper caused by the uneven speed and the rapid increase of the belt speed, the gypsum board and the belt contact speed caused by the uneven contact speed of the gypsum board and the belt optimize the gypsum board production process and product indicators to ensure The smooth progress of the production process effectively reduces the production cost of gypsum board.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

一种石膏板成型***的控制方法，包括：操作屏(11)将开机信号传输至中心处理器(12)；中心处理器(12)控制混合机(15)和红外检测器(162)启动，并控制成型皮带电机(165)以预设初始转速运转；中心处理器(12)控制湿料添加装置(13)和干料添加装置(14)依次启动；中心处理器(12)控制混合机(15)打开下料输出口，在混合机(15)打开下料输出口第一预设时长后，控制成型板(163)到达工作位置，且在成型板(163)达到工作位置第二预设时长后，控制引纸轮(166)到达工作位置；红外检测器(162)检测到成型站(161)上的石膏浆厚度达到预设厚度阈值后，中心处理器(12)控制成型皮带电机(165)的转速从初始预设转速匀速增加至预设生产转速。该控制方法实现了成型皮带根据混合机搅拌后的石膏量自动提速。

Description

一种石膏板成型***的控制方法
本申请要求在2017年04月24日提交中国专利局、申请号为201710269748.5、发明名称为“一种石膏板成型***的控制方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及石膏板生产技术领域，尤其涉及石膏板成型***技术领域。
背景技术
石膏板成型工艺是石膏板生产过程中的重中之重，但是经常会由于断纸或者设备故障等原因而停机，而在每次开机前，都需要人调节干湿料下料方法以及成型皮带的速度等参数。在刚开机时成型皮带的速度较慢，随着混合搅拌后的石膏量需要调节到生产需要的较快的速度，在现有技术下，却无法实现平稳增速。在调节成型皮带的速度过程中，由于皮带增速过快，经常会导致护面纸崩断、石膏板拉断、班次啊边度空边和漏浆等现象产生，严重影响产品质量，影响生产投入产出率和各项原材料指标，增加企业的生产成本。
发明内容
针对上述问题，本发明的目的是提供一种解决以上问题中的任何一个的开机方法。具体地，本发明提供能够平稳、快捷实行的石膏板成型***的控制方法。
本发明提供了一种石膏板成型***的控制方法，所述石膏板成型***包括操作屏、中心处理器、湿料添加装置、干料添加装置、混合机以及成型装置，其中，所述操作屏、所述湿料添加装置、所述干料添加装置、所述混合机及所述成型装置均与所述中心处理器电连接；
并且其中，所述湿料添加装置包括发泡剂罐、发泡剂电机、纸浆水罐、纸浆水电机、纸浆水流量计、搅拌水罐、搅拌水电机以及搅拌水流量计，其中，所述发泡剂电机与所述发泡剂罐相连接，所述纸浆水电机与所述纸浆水罐相连接，所述纸浆水流量计位于所述纸浆水罐的出料口，且与所述中心处理器电连接，所述搅拌水电机与所述搅拌水罐相连接，所述搅拌水流量计位于所述搅拌水罐的出料口，且与所述中心处理器电连接，并且，所述发泡剂电机、所述纸浆水电机和所述搅拌水电机均与所述中心处理器电连接，所述发泡剂罐、所述纸浆水罐、所述搅拌水罐均与所述混合机相连通；
并且其中，所述干料添加装置包括石膏粉罐、石膏粉电机、皮带秤、混合装置、混合铰刀、淀粉罐和淀粉电机，其中，所述石膏粉电机、所述皮带秤、所述混合铰刀、所述淀粉电机均与所述中心处理器电连接，所述石膏粉电机与所述石膏粉罐相连接，所述淀粉电机与所述淀粉罐相连接，所述石膏粉罐通过所述皮带秤与所述混合装置相连通，所述淀粉罐与所述混合装置相连通，所述混合装置与所述混合机相连通，所述混合铰刀位于所述混合装置内；
并且其中，所述成型装置包括成型站、红外检测器、成型板、成型皮带、成型皮带电机和引纸轮，所述混合机与所述成型站相连通，所述红外检测器设置在所述成型站的上方，所述成型皮带与所述成型站平行设置，所述引纸轮位于所述成型皮带的上方，所述红外检测器、所述成型皮带电机和所述引纸轮均与所述中心处理器电连接；
所述石膏板成型***的控制方法包括以下步骤：
1)操作屏接收到开机信号后，将所述开机信号传输至中心处理器；
2)所述中心处理器控制混合机和红外检测器启动，并控制成型皮带电机以预设初始转速运转；
3)所述中心处理器控制湿料添加装置和干料添加装置依次启动；
4)所述中心处理器控制所述混合机打开下料输出口，在所述混合机打开下料输出口第一预设时长后，所述中心处理器控制成型板到达工作位置，且在所述成型板达到工作位置第二预设时长后，所述中心处理器控制引纸轮到达工作位置；
5)所述红外检测器检测到成型站上的石膏浆厚度达到预设厚度阈值后，向所述中心处理器发送通知信号，所述中心处理器收到通知信号后，控制所述成型皮带电机的转速从所述初始预设转速匀速增加至预设生产转速。
其中，所述步骤3)包括：
31)所述中心处理器控制发泡剂电机、纸浆水电机和搅拌水电机启动，并实时接收纸浆水流量计发送的纸浆水添加量和搅拌水流量计发送的搅拌水添加量；
32)所述纸浆水添加量大于等于预设纸浆水添加量阈值并且所述搅拌水添加量大于等于预设搅拌水添加量阈值后，所述中心处理器控制所述干料添加装置启动。
其中，所述中心处理器控制所述干料添加装置启动包括：控制混合铰刀、淀粉电机、皮带秤、石膏粉电机依次启动或者同时启动。
其中，所述预设纸浆水添加量阈值大于或者等于6吨，所述预设搅拌水添加量阈值大于或者等于2吨。
其中，所述第一预设时长为8～12秒。
其中，所述第二预设时长为5～8秒。
其中，所述预设初始转速对应的皮带移动速度为15～25米/分钟，所述预设生产转速对应的皮带移动速度为45～60米/分钟。
本发明所提供的石膏板成型***的控制方法，根据干料和湿料两者之间下料时间紧密配合，达到成型皮带根据混合机搅拌后的石膏量自动提速，达到理想稳定状态，解决人工调节成型皮带速度不够平稳而使皮带速度增长过快造成护面纸崩断、以及石膏板与皮带接触速度不均衡导致的石膏板搓纸毛等技术问题，优化石膏板生产过程及产品的各项指标，确保生产进程的顺利进行，有效降低石膏板生产成本。
参照附图来阅读对于示例性实施例的以下描述，本发明的其他特性特征和优点将变得清晰。
附图说明
并入到说明书中并且构成说明书的一部分的附图示出了本发明的实施例，并且与描述一起用于解释本发明的原理。在这些附图中，类似的附图标记用于表示类似的要素。下面描述中的附图是本发明的一些实施例，而不是全部实施例。对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，可以根据这些附图获得其他的附图。
图1示例性地示出了根据本发明的石膏板成型***的结构示意图；
图2示例性地示出了根据本发明的石膏板成型***的电气连接示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
为确保石膏板成型***的顺利开启，实现成型皮带的平稳增速，减少由于***启动不当带来的一系列损失，本发明提供了一种石膏板成型***的控制方法。
图1示出了该石膏板成型***的一种实施例的结构示意图，图2示出了该石膏板成型***的电气连接示意图。参照图1和图2所示，该石膏板成型***100包括操作屏11、中心处理器12、湿料添加装置13、干料添加装置14、混合机15以及成型装置16，其中，操作屏11、湿料添加装置13、干料添加装置14、混合机15及成型装置16均与中心处理器12电连接。操作屏11用以进行启动、停止等操作，还可以随时查看该石膏板成型***100的运行进程；中心处理 器12是石膏板成型***100的信号枢纽以及控制处理中心，既可以传递信号、下达命令，还可以根据不同的信号和信息控制相应的装置的启停及运转过程；湿料添加装置13和干料添加装置14用以分别向混合机15添加制备石膏板用的湿料和干料；混合机15在中心处理器12的控制下降湿料和干料混合均匀，并输出至成型装置16进行石膏板成型。
具体地，操作屏11可以是触摸屏，也可以是普通可视屏与操作键盘的各种组合形式，用户可以根据使用环境及条件的不同而进行选择设置；中心处理器12可以是PLC控制器。
具体地，湿料添加装置13包括发泡剂罐131、发泡剂电机132、纸浆水罐133、纸浆水电机134、纸浆水流量计135、搅拌水罐136、搅拌水电机137以及搅拌水流量计138。其中，发泡剂电机132与发泡剂罐131相连接。纸浆水电机134与纸浆水罐133相连接，纸浆水流量计135位于纸浆水罐133的出料口，且与中心处理器12电连接，将添加至混合机15的纸浆水量实时反馈至中心处理器12；一方面，中心处理器12根据纸浆水流量计135反馈的数值控制其他湿料及干料的添加、成型装置等的运行；另一方面，中心处理器12可以将纸浆水流量计135反馈的数值与预先存储在中心处理器12中的纸浆水罐133的容积相比，当纸浆水罐133的容积与纸浆水流量计135反馈的数值的差值小于预设值时，中心处理器12进行报警或者自动控制向纸浆水罐133内补充纸浆水。
搅拌水电机137与搅拌水罐136相连接，搅拌水流量计138位于搅拌水罐136的出料口，且与中心处理器12电连接，将添加至混合机15中的搅拌水量实时反馈至中心处理器12；一方面，中心处理器12根据搅拌水流量计138反馈的数值控制其他湿料及干料的添加、成型装置等的运行；另一方面，中心处理器12可以将搅拌水流量计138反馈的数值与预先存储在中心处理器12中的搅拌水罐136的容积相比，当搅拌水罐136的容积与搅拌水流量计138反馈的数值的差值小于预设值时，中心处理器12进行报警或者自动控制向搅拌水罐136内补充搅拌水。
其中，发泡剂电机132、纸浆水电机134和搅拌水电机137均与中心处理器12电连接，通过中心处理器12控制发泡剂、纸浆水以及搅拌水的添加过程；发泡剂罐131、纸浆水罐133、搅拌水罐136均与混合机15相连通，使得发泡剂、纸浆水和搅拌水均可以直接传输到混合机15内进行混合搅拌。
具体地，干料添加装置14包括石膏粉罐141、石膏粉电机142、皮带秤143、混合装置144、混合铰刀145、淀粉罐146和淀粉电机147。其中，石膏粉电机142、皮带秤143、混合铰刀145、淀粉电机147均与中心处理器12电连接，通过中心处理器12控制其启停和运转过程。石膏粉电机142与石膏粉罐141相连接，淀粉电机147与淀粉罐146相连接，石膏粉罐141通过皮带秤143与混合装置144相连通，淀粉罐146与混合装置144相连通，混合装置144与混合机15相连通，混合铰刀145位于混合装置144内。中心处理器12控制石膏粉电机142、皮带秤143和混 合铰刀145启动，并打开石膏粉罐141的出口，通过皮带秤143将石膏粉传输至混合装置144内；同时控制打开淀粉罐146的出口、启动淀粉电机147将淀粉输送至混合装置144内，通过混合铰刀145将石膏粉和淀粉进行混合，并输送至混合机15内与湿料进行混合后，输送至成型装置16进行石膏板成型。
具体地，成型装置16包括成型站161、红外检测器162、成型板163、成型皮带164、成型皮带电机165和引纸轮166；其中，混合机15与成型站161相连通，混合机15将干料与湿料充分混合形成石膏浆并直接输送至成型站161准备成型；红外检测器162设置在成型站161的上方，用以检测成型站161的石膏浆的厚度，并将检测结果实时反馈至中心处理器12；成型皮带164与成型站161平行设置，到达成型站161上的石膏浆可直接堆积至成型皮带164，当石膏浆的厚度达到预定厚度后，启动成型皮带电机165带动成型皮带164以初始速度运转。
引纸轮166位于成型皮带164的上方，红外检测器162、成型皮带电机165和引纸轮166均与中心处理器12电连接。将下护面纸和上护面纸引到成型皮带164上，通过成型皮带164与引纸轮166之间的摩擦带动上护面纸和下护面纸运行，并将石膏浆包裹在上护面纸和下护面纸之间，然后抬起引纸轮166，并将成型板163落下，石膏板即成型。
根据本发明所提供的采用上述石膏板成型***100的控制方法包括以下步骤：
1)操作屏11接收到开机信号后，将开机信号传输至中心处理器12；
2)中心处理器12控制混合机15和红外检测器162启动，并控制成型皮带电机165以预设初始转速运转；
3)中心处理器12控制湿料添加装置13和干料添加装置14依次启动；
4)中心处理器12控制混合机15打开下料输出口，在混合机15打开下料输出口第一预设时长后，中心处理器12控制成型板163到达工作位置，且在成型板163达到工作位置第二预设时长后，中心处理器12控制引纸轮166到达工作位置；
5)红外检测器162检测到成型站161上的石膏浆厚度达到预设厚度阈值后，向中心处理器12发送通知信号，中心处理器12收到通知信号后，控制成型皮带电机165的转速从初始预设转速匀速增加至预设生产转速。
其中，步骤3)包括：
31)中心处理器12控制发泡剂电机132、纸浆水电机134和搅拌水电机137启动，并实时接收纸浆水流量计135发送的纸浆水添加量和搅拌水流量计138发送的搅拌水添加量；
32)纸浆水添加量大于等于预设纸浆水添加量阈值并且搅拌水添加量大于等于预设搅拌水添加量阈值后，中心处理器12控制干料添加装置14启动。
其中，中心处理器12控制干料添加装置14启动包括：控制混合铰刀145、淀粉电机147、 皮带秤143、石膏粉电机142依次启动或者同时启动。
具体地，预设纸浆水添加量阈值大于或者等于6吨，预设搅拌水添加量阈值大于或者等于2吨；第一预设时长为8～12秒，第二预设时长为5～8秒。
具体地，预设初始转速对应的皮带移动速度为15～25米/分钟，预设生产转速对应的皮带移动速度为45～60米/分钟。
具体地，石膏浆厚度的预设厚度阈值根据实际要求的石膏板的厚度进行设置，需要大于生产要求的石膏板厚度，例如，其预设厚度阈值可以为80～100毫米。
实施例1
在中心处理器12中输入预置参数，包括：皮带预设初始速度20米/分钟、皮带生产速度50米/分钟、纸浆水添加量阈值6吨、搅拌水添加量阈值2吨、第一预设时长10秒、第二预设时长6秒、石膏浆预设厚度阈值80毫米；确认各湿料和干料容器内的原料充足后，在操作屏11上启动开机按键。
1)操作屏11接收到开机信号后，将开机信号传输至中心处理器12；
2)中心处理器12控制混合机15和红外检测器162启动，并控制成型皮带电机165带动成型皮带164以20米/分钟的转速运转；
31)中心处理器12控制发泡剂电机132、纸浆水电机134和搅拌水电机137启动，并实时接收纸浆水流量计135发送的纸浆水添加量和搅拌水流量计138发送的搅拌水添加量；
32)纸浆水添加量大于等于6吨，并且搅拌水添加量大于等于2吨后，中心处理器12控制混合铰刀145、淀粉电机147、皮带秤143、石膏粉电机142依次启动或者同时启动；
4)中心处理器12控制混合机15打开下料输出口，在混合机15打开下料输出口10秒后，中心处理器12控制成型板163到达工作位置，且在成型板163达到工作位置6秒后，中心处理器12控制引纸轮166到达工作位置；
5)红外检测器162检测到成型站161上的石膏浆厚度达到80毫米后，向中心处理器12发送通知信号，中心处理器12收到通知信号后，控制成型皮带电机165的转速匀速增长，使得成型皮带164的运行速度从20米/分钟匀速增加至50米/分钟。即通过中心处理器12控制成型皮带电机165进行匀速增速，例如，其过程可以通过变频器进行控制。
根据本发明的石膏板成型***的控制方法，通过干料和湿料之间的下料时间的紧密配合，控制成型皮带根据到达成型站的石膏浆的厚度而进行自动、平稳增速，避免由于皮带增速过快导致的护面纸崩断、石膏板搓纸毛等质量问题，确保石膏板成型过程的顺利进行，有效降低生产成本。
上面描述的内容可以单独地或者以各种方式组合起来实施，而这些变型方式都在本发明的保护范围之内。
本发明中列出的构件的具体尺寸数值是示例性数值，不同构件的尺寸参数根据需要可在实际操作中采用不同的数值。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括……”限定的要素，并不排除在包括所述要素的物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本发明的技术方案而非限制，仅仅参照较佳实施例对本发明进行了详细说明。本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。
工业实用性
本发明根据石膏板生产过程中干粮和湿料两者之间下料时间的紧密配合，达到成型皮带根据混合及搅拌后的石膏量来进行自动提速，并达到理想稳定状态，解决人工调节成型皮带速度不够平稳而使皮带速度增长过快造成的护面纸崩断、石膏板与皮带接触速度不均衡导致的石膏板搓纸毛等技术问题，优化石膏板生产过程及产品的各项指标，确保生产进程的顺利进行，有效降低石膏板生产成本。

Claims (7)

  1. 一种石膏板成型***的控制方法，其特征在于，所述石膏板成型***(100)包括操作屏(11)、中心处理器(12)、湿料添加装置(13)、干料添加装置(14)、混合机(15)以及成型装置(16)，其中，所述操作屏(11)、所述湿料添加装置(13)、所述干料添加装置(14)、所述混合机(15)及所述成型装置(16)均与所述中心处理器(12)电连接；
    并且其中，所述湿料添加装置(13)包括发泡剂罐(131)、发泡剂电机(132)、纸浆水罐(133)、纸浆水电机(134)、纸浆水流量计(135)、搅拌水罐(136)、搅拌水电机(137)以及搅拌水流量计(138)，其中，所述发泡剂电机(132)与所述发泡剂罐(131)相连接，所述纸浆水电机(134)与所述纸浆水罐(133)相连接，所述纸浆水流量计(135)位于所述纸浆水罐(133)的出料口，且与所述中心处理器(12)电连接，所述搅拌水电机(137)与所述搅拌水罐(136)相连接，所述搅拌水流量计(138)位于所述搅拌水罐(136)的出料口，且与所述中心处理器(12)电连接，并且，所述发泡剂电机(132)、所述纸浆水电机(134)和所述搅拌水电机(137)均与所述中心处理器(12)电连接，所述发泡剂罐(131)、所述纸浆水罐(133)、所述搅拌水罐(136)均与所述混合机(15)相连通；
    并且其中，所述干料添加装置(14)包括石膏粉罐(141)、石膏粉电机(142)、皮带秤(143)、混合装置(144)、混合铰刀(145)、淀粉罐(146)和淀粉电机(147)，其中，所述石膏粉电机(142)、所述皮带秤(143)、所述混合铰刀(145)、所述淀粉电机(147)均与所述中心处理器(12)电连接，所述石膏粉电机(142)与所述石膏粉罐(141)相连接，所述淀粉电机(147)与所述淀粉罐(146)相连接，所述石膏粉罐(141)通过所述皮带秤(143)与所述混合装置(144)相连通，所述淀粉罐(146)与所述混合装置(144)相连通，所述混合装置(144)与所述混合机(15)相连通，所述混合铰刀(145)位于所述混合装置(144)内；
    并且其中，所述成型装置(16)包括成型站(161)、红外检测器(162)、成型板(163)、成型皮带(164)、成型皮带电机(165)和引纸轮(166)，所述混合机(15)与所述成型站(161)相连通，所述红外检测器(162)设置在所述成型站(161)的上方，所述成型皮带(164)与所述成型站(161)平行设置，所述引纸轮(166)位于所述成型皮带(164)的上方，所述红外检测器(162)、所述成型皮带电机(165)和所述引纸轮(166)均与所述中心处理器(12)电连接；
    所述石膏板成型***的控制方法包括以下步骤：
    1)操作屏(11)接收到开机信号后，将所述开机信号传输至中心处理器(12)；
    2)所述中心处理器(12)控制混合机(15)和红外检测器(162)启动，并控制成型皮带电机(165)以预设初始转速运转；
    3)所述中心处理器(12)控制湿料添加装置(13)和干料添加装置(14)依次启动；
    4)所述中心处理器(12)控制所述混合机(15)打开下料输出口，在所述混合机(15)打开下料输出口第一预设时长后，所述中心处理器(12)控制成型板(163)到达工作位置，且在所述成型板(163)达到工作位置第二预设时长后，所述中心处理器(12)控制引纸轮(166)到达工作位置；
    5)所述红外检测器(162)检测到成型站(161)上的石膏浆厚度达到预设厚度阈值后，向所述中心处理器(12)发送通知信号，所述中心处理器(12)收到通知信号后，控制所述成型皮带电机(165)的转速从所述初始预设转速匀速增加至预设生产转速。
  2. 如权利要求1所述的控制方法，其特征在于，所述步骤3)包括：
    31)所述中心处理器(12)控制发泡剂电机(132)、纸浆水电机(134)和搅拌水电机(137)启动，并实时接收纸浆水流量计(135)发送的纸浆水添加量和搅拌水流量计(138)发送的搅拌水添加量；
    32)所述纸浆水添加量大于等于预设纸浆水添加量阈值并且所述搅拌水添加量大于等于预设搅拌水添加量阈值后，所述中心处理器(12)控制所述干料添加装置(14)启动。
  3. 如权利要求2所述的控制方法，其特征在于，
    所述中心处理器(12)控制所述干料添加装置(14)启动包括：控制混合铰刀(145)、淀粉电机(147)、皮带秤(143)、石膏粉电机(142)依次启动或者同时启动。
  4. 如权利要求2或3所述的控制方法，其特征在于，
    所述预设纸浆水添加量阈值大于或者等于6吨，所述预设搅拌水添加量阈值大于或者等于2吨。
  5. 如权利要求1所述的控制方法，其特征在于，
    所述第一预设时长为8～12秒。
  6. 如权利要求1所述的控制方法，其特征在于，
    所述第二预设时长为5～8秒。
  7. 如权利要求1所述的控制方法，其特征在于，
    所述预设初始转速对应的皮带移动速度为15～25米/分钟，所述预设生产转速对应的皮带移动速度为45～60米/分钟。
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