CN112060542A - Control system and control method for production of rubber extruded product - Google Patents
Control system and control method for production of rubber extruded product Download PDFInfo
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- CN112060542A CN112060542A CN202010998218.6A CN202010998218A CN112060542A CN 112060542 A CN112060542 A CN 112060542A CN 202010998218 A CN202010998218 A CN 202010998218A CN 112060542 A CN112060542 A CN 112060542A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 235000012438 extruded product Nutrition 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010070 extrusion (rubber) Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000003908 quality control method Methods 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
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Abstract
The invention provides a control system and a control method for rubber extrusion product production, wherein the control system comprises: the device comprises an extruder, a receiving and conveying device, a detection system and a control device; the receiving and conveying device is arranged at a position corresponding to the extruder, so that the rubber product extruded by the extruder enters the receiving and conveying device and moves towards a direction far away from the extrusion port under the driving of the receiving and conveying device; the detection system is arranged on the receiving and conveying device, the control device is electrically connected with the detection system and the receiving and conveying device respectively, the detection system collects physical parameter information of rubber products entering the receiving and conveying device in real time and sends the collected information to the control device, and the control device controls the speed of the receiving and conveying device for driving the rubber products to move according to the received physical parameter information of the rubber products. The invention can realize real-time quality monitoring and production control of the rubber extruded product, thereby ensuring the continuity, real-time performance and accuracy of the tire quality control.
Description
Technical Field
The invention relates to the technical field of tire production, in particular to a control system and a control method for production of rubber extruded products.
Background
The main components in tire products are rubber extruded products produced by extrusion processes, and therefore the quality of the rubber extruded products has a decisive influence on the quality of the tires.
As the demands of users on the quality of tires are gradually increased, tire manufacturers have increasingly paid attention to the quality of rubber extruded products that constitute the main components of tires. In the prior art, effective on-line feedback automatic control is lacked, detected deviation mainly depends on manual adjustment, instantaneity is poor, disturbance resistance is weak, and therefore rubber extrusion quality is affected.
Disclosure of Invention
The invention aims to provide a control system and a control method for rubber extruded product production, which can realize real-time quality monitoring and production control on rubber extruded products, thereby ensuring the continuity, instantaneity and accuracy of tire quality control.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a control system for the production of rubber extruded articles comprising: the device comprises an extruder, a receiving and conveying device, a detection system and a control device;
the receiving and conveying device is arranged at a position corresponding to the extruder, so that the rubber product extruded by the extruder can enter the receiving and conveying device and move towards a direction far away from an extrusion opening of the extruder under the driving of the receiving and conveying device;
the rubber product detecting device comprises a detection system, a control device and a receiving and conveying device, wherein the detection system is arranged on the receiving and conveying device, the control device is respectively electrically connected with the detection system and the receiving and conveying device, the detection system collects physical parameter information of rubber products entering the receiving and conveying device in real time and sends the collected information to the control device, and the control device sends control signals to the receiving and conveying device according to the received physical parameter information of the rubber products so as to control the speed of the receiving and conveying device to drive the rubber products to move.
Preferably, the system also comprises a human-computer interface system;
the human-computer interface system is electrically connected with the control device, so that the human-computer interface system can convey the preset value of the physical parameter of the rubber product to the control device, the control device can carry out comprehensive operation on the received physical parameter information of the rubber product and the preset value, and the speed of driving the rubber product to move by the receiving and conveying device is controlled according to the operation result.
Preferably, the human-machine interface system comprises a display;
the control device can send the received physical parameter information of the rubber product to the human-computer interface system and display the information through the display.
Preferably, the detection system comprises a first detection device and a second detection device, and the control device comprises a first arithmetic unit and a second arithmetic unit;
the first detection device is electrically connected with the first arithmetic unit, the second detection device is electrically connected with the second arithmetic unit, and the first arithmetic unit is respectively electrically connected with the second arithmetic unit and the receiving and conveying device;
the physical parameter information of the rubber product comprises a first parameter and a second parameter, the first parameter is monitored by the first detection device in real time and is sent to the first operation unit, the second parameter is monitored by the second detection device in real time and is sent to the second operation unit, the second operation unit performs operation according to the received second parameter and obtains a first operation result, the first operation result is sent to the first operation unit, the first operation unit performs operation according to the received first parameter and the received first operation result and obtains a second operation result, and then the receiving and conveying device is controlled according to the second operation result to drive the rubber product to move.
Preferably, when the human-computer interface system is further included and is capable of conveying preset values of physical parameters of the rubber product to the control device, the human-computer interface system is electrically connected with the first arithmetic unit and the second arithmetic unit respectively, the preset values comprise a first preset value and a second preset value, and the human-computer interface system conveys the first preset value to the first arithmetic unit and conveys the second preset value to the second arithmetic unit;
the second arithmetic unit performs arithmetic according to the received second parameter and the second preset value and obtains the first arithmetic result, and the first arithmetic unit performs arithmetic according to the received first parameter, the first arithmetic result and the first preset value and obtains the second arithmetic result.
Preferably, when the human-machine interface system comprises the display;
the first arithmetic unit sends the first parameter to the display for display, and the second arithmetic unit sends the second parameter to the display for display.
Preferably, the device also comprises an alarm;
the first operation unit is electrically connected with the alarm, the second operation result can be sent to the alarm, and the alarm sends out an alarm signal according to the received second operation result.
A control method for producing rubber extrusion products uses a control system for producing the rubber extrusion products with any technical characteristics;
the method comprises the following steps:
an information acquisition step: the detection system collects the physical parameter information of the rubber product entering the receiving and conveying device in real time and sends the collected information to the control device;
and (3) operation steps: the control device carries out operation according to the received physical parameter information to obtain an operation result;
the control steps are as follows: and the control device sends a control signal to the receiving and conveying device according to the operation result so as to control the speed of the receiving and conveying device for driving the rubber product to move.
Preferably, the control system for producing the rubber extruded product further comprises a human-computer interface system, and the human-computer interface system is electrically connected with the control device;
before the information acquisition step, the method also comprises the following steps:
a presetting step: conveying preset values of physical parameters of the rubber product to the control device through the human-computer interface system;
the operation step comprises: and carrying out comprehensive operation on the physical parameter information of the rubber product received by the control device and the preset value.
Preferably, the detection system comprises a first detection device and a second detection device, the control device comprises a first arithmetic unit and a second arithmetic unit, the first detection device is electrically connected with the first arithmetic unit, the second detection device is electrically connected with the second arithmetic unit, and the first arithmetic unit is electrically connected with the second arithmetic unit and the receiving and conveying device respectively;
the presetting step comprises the following steps: the human-computer interface sends a first preset value R (t) into the first arithmetic unit, and simultaneously sends a second preset value r (t) into the second arithmetic unit;
the information acquisition step comprises: the first detection device collects first parameters C (t) of the rubber product in real time and sends the first parameters C (t) to the first arithmetic unit, and the second detection device collects second parameters c (t) of the rubber product in real time and sends the second parameters c (t) to the second arithmetic unit;
in the operation step, first, the second operation means performs operations of: u (t) ═ kp (e (t) +1/TI ^ e (t) dt + TD ^ de (t) (/ dt), where e (t) ═ r (t) -c (t), then the first operation unit performs the operation: u (t) ═ kp (e (t) + 1/TI;
u (t) is a control quantity sent to the access conveying device by the detection system, kp is a proportionality coefficient, TI is an integral time constant, TD is a differential time constant, and the upper limit and the lower limit of the integral are 0 and t respectively.
According to the control system for producing the rubber extruded product, the detection system is adopted to collect the physical parameter information of the rubber product entering the receiving and conveying device in real time, the collected information is sent to the control device, and the control device sends a control signal to the receiving and conveying device according to the received physical parameter information of the rubber product so as to control the speed at which the receiving and conveying device drives the rubber product to move.
Drawings
FIG. 1 is a schematic view of a control system for production of a rubber extruded product according to the first embodiment;
FIG. 2 is a flow chart of a method for controlling the production of an extruded rubber article according to example II.
In the figure: 1-an extruder; 11-an extrusion opening; 2-receiving and conveying device; 3-a detection system; 31-a first detection device; 32-a second detection device; 4-control the system; 41-a first arithmetic unit; 42-a second arithmetic unit; 5-a man-machine interface system; 51-a display; 6-an alarm; 7-rubber product.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following detailed description of the control system and control method for producing rubber extruded products according to the present invention is provided with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1, a control system for production of a rubber extruded product includes: the device comprises an extruder 1, a receiving and conveying device 2, a detection system 3 and a control device 4. The receiving and conveying device 2 is arranged at a position corresponding to the extruder 1, so that the rubber product 7 extruded by the extruder 1 can enter the receiving and conveying device 2 and move towards a direction far away from the extrusion opening 11 of the extruder 1 under the driving of the receiving and conveying device 2. Detection system 3 sets up on connecing and getting conveyor 2, controlling means 4 is connected with detection system 3 and connecing conveyor 2 electricity respectively, detection system 3 gathers the physical parameter information who enters into to connect the rubber products 7 on the conveyor 2 of getting in real time to with the information transmission who gathers to controlling means 4, controlling means 4 sends control signal to connecing and getting conveyor 2 according to the physical parameter information of received rubber products 7, in order to control to connect the speed that conveyor 2 drove the motion of rubber products 7 of getting. Through controlling the speed that conveyor 2 drove rubber goods 7 and move, can directly change the speed that rubber goods 7 breaks away from extrusion port 11 of extruder 1, and then change the physical parameter of rubber goods 7, realized like this carrying out real-time quality monitoring and production control to rubber extrusion goods to guarantee continuity, real-time, the accuracy of tire quality control. The physical parameter information of the rubber product 7 entering the receiving and conveying device 2 collected by the detection system 3 in real time can be the cross-sectional area and/or the weight and/or the width of the rubber product 7 per unit length.
Further, as shown in fig. 1, the rubber product processing system further comprises a human-computer interface system 5, the human-computer interface system 5 is electrically connected with the control device 4, so that the human-computer interface system 5 can convey the preset value of the physical parameter of the rubber product 7 to the control device 4, the control device 4 can perform comprehensive operation on the received physical parameter information of the rubber product 7 and the preset value, and control the speed of driving the rubber product 7 to move by the receiving and conveying device 2 according to the operation result. This ensures the accuracy of the control of the speed of operation of the take-off conveyor 2.
Preferably, as shown in fig. 1, the human-machine interface system 5 includes a display 51, and the control device 4 is capable of sending the received physical parameter information of the rubber product 7 to the human-machine interface system 5 and displaying the information through the display 51. It should be noted that the result of the comprehensive operation of the received physical parameter information of the rubber product 7 and the preset value by the control device 4 and the control information sent to the receiving and conveying device 2 by the control device can be displayed on the display 51, so that the operator can observe the working condition of the control system in real time.
As an implementation, as shown in fig. 1, the detection system 3 includes a first detection device 31 and a second detection device 32, and the control device 4 includes a first operation unit 41 and a second operation unit 42. The first detection device 31 is electrically connected to the first arithmetic unit 41, the second detection device 32 is electrically connected to the second arithmetic unit 42, and the first arithmetic unit 41 is electrically connected to the second arithmetic unit 42 and the pick-and-place conveyor 2, respectively. The physical parameter information of the rubber product 7 comprises a first parameter and a second parameter, the first parameter is monitored by the first detection device 31 in real time and is sent to the first operation unit 41, the second parameter is monitored by the second detection device 32 in real time and is sent to the second operation unit 42, the second operation unit 42 performs operation according to the received second parameter and obtains a first operation result, the first operation result is sent to the first operation unit 41, the first operation unit 41 performs operation according to the received first parameter and the first operation result and obtains a second operation result, and the speed of the receiving and conveying device 2 for driving the rubber product 7 to move is controlled according to the second operation result. Wherein, the first arithmetic unit 41 and the second arithmetic unit 42 can both adopt PID arithmetic devices, the first detecting device 31 and the second detecting device 32 are not the invention point of the present invention, but a prior art, the present invention only uses the prior art, and does not intend to improve the prior art, therefore, the specific working principle of the first detecting device 31 and the second detecting device 32 is not detailed herein. The first parameter and the second parameter are two different parameters, for example, the first parameter is a width value of the rubber product 7, and the second parameter is a weight value per unit length of the rubber product 7. In actual work, the first detection device 31 and the second detection device 32 can be selected according to actual needs, so that the first detection device 31 and the second detection device 32 can acquire different parameters.
Further, when the human-machine interface system 5 is further included as shown in fig. 1, and the human-machine interface system 5 can convey preset values of physical parameters of the rubber product 7 to the control device 4, the human-machine interface system 5 is electrically connected with the first arithmetic unit 41 and the second arithmetic unit 42 respectively, the preset values include a first preset value and a second preset value, and the human-machine interface system 5 conveys the first preset value to the first arithmetic unit 41 and conveys the second preset value to the second arithmetic unit 42. The second arithmetic unit 42 performs an arithmetic operation according to the received second parameter and the second preset value to obtain a first arithmetic result, and the first arithmetic unit 41 performs an arithmetic operation according to the received first parameter, the first arithmetic result and the first preset value to obtain a second arithmetic result. Therefore, a double closed loop feedback algorithm can be formed by the first operation unit 41 and the second operation unit 42, so that the control device 4 can automatically correct and adjust the speed set value of the taking and conveying device 2 according to the operation result output control quantity of the first operation unit 41 and the second operation unit 42, and the two key quality parameters of the rubber product 7 can be simultaneously judged in real time and automatically corrected and adjusted. It should be noted that, when the human-machine interface system 5 includes the display 51; the first arithmetic unit 41 sends the first parameter to the display 51 for display, and the second arithmetic unit 42 sends the second parameter to the display 51 for display.
Further, as shown in fig. 1, the device further includes an alarm 6, the first operation unit 41 is electrically connected to the alarm 6 and can send the second operation result to the alarm 6, and the alarm 6 sends an alarm signal according to the received second operation result.
Example two
A method of controlling production of a rubber extruded product, using the control system for production of a rubber extruded product described in example one;
as shown in fig. 2, includes: the method comprises the following steps of information acquisition, namely acquiring physical parameter information of rubber products entering a receiving and conveying device in real time by a detection system, and sending the acquired information to a control device;
the operation step, the control device performs operation according to the received physical parameter information to obtain an operation result;
and a control step, wherein the control device sends a control signal to the receiving and conveying device according to the operation result so as to control the speed of the receiving and conveying device for driving the rubber product to move.
Furthermore, the control system for producing the rubber extruded product also comprises a human-computer interface system, and the human-computer interface system is electrically connected with the control device;
as shown in figure 2, the information acquisition step also comprises a presetting step, wherein the presetting step is used for transmitting the preset value of the physical parameter of the rubber product to a control device through a human-computer interface system;
the operation step comprises: and carrying out comprehensive operation on the physical parameter information and the preset value of the rubber product received by the control device.
The detection system comprises a first detection device and a second detection device, the control device comprises a first operation unit and a second operation unit, the first detection device is electrically connected with the first operation unit, the second detection device is electrically connected with the second operation unit, and the first operation unit is electrically connected with the second operation unit and the receiving and conveying device respectively;
the presetting step comprises the following steps: an operator sets the sampling rate of the width of the rubber product key quality data product and a first preset value R (t) through a human-computer interface system and sends the sampling rate and the first preset value R (t) to a first operation unit for storage, the sampling rate is set to be 5 times per second in the embodiment, namely 5 values are collected per second and stored, and R (t) is a width standard value set to be 300mm for example. Then, an operator sets the sampling rate of the rubber product key quality data product per meter weight and a second preset value r (t) through a human-computer interface system and sends the sampling rate and the second preset value r (t) to a second operation unit for storage, the sampling rate is selected to be 5 times per second in the embodiment, namely 5 values are collected per second and stored, and the r (t) is a standard value of the weight per meter, and is set to be 2500g/m for example.
The information acquisition step comprises: the first parameter C (t) of the rubber product, namely the width value of the rubber product, is collected by the first detection device and is sent to the first operation unit for storage, the second parameter c (t) of the rubber product, namely the weight value of the rubber product per meter, is collected by the second detection device and is sent to the second operation unit for storage, in the embodiment, 30 data of each group are used as one group, and the average value is calculated by taking the group as a unit after people are used as an actual value.
In the operation step, firstly, the second operation unit performs the operation: u (t) ═ kp (e (t) +1/TI ^ e (t) dt + TD ^ de (t)/dt), wherein e (t) ═ r (t) -c (t), and the operation result of u (t) is sent to the first operation unit, so that weight feedback closed loop control is formed. Then the first arithmetic unit performs an operation: u (t) ═ kp (e (t) +1/TI ^ e (t) dt + TD ^ de (t)/dt), where e (t) ═ r (t) + u (t) -c (t), can affect the width feedback closed loop control through the weight feedback closed loop control, forming a double closed loop feedback control system. U (t) is a control quantity sent by the detection system to the receiving and conveying device, kp is a proportionality coefficient, TI is an integral time constant, TD is a differential time constant, and the upper limit and the lower limit of the integral are 0 and t respectively. After the result of the control quantity U (t) is obtained, the control device automatically adjusts the speed of the receiving and conveying device according to the specific numerical value of the control quantity U (t), so that two key quality parameters of the rubber extruded product are simultaneously judged in real time and automatically corrected and adjusted.
It should be noted that, when the human-computer interface system includes a display, the control device may send the first parameter c (t), the second parameter c (t), and the control amount u (t) to the human-computer interface system, and the first parameter c (t), the second parameter c (t), and the control amount u (t) are displayed on the display. When the control system for producing the rubber extruded product comprises the alarm, the control device can send alarm information to the alarm and give an alarm through the alarm, and the alarm can be arranged in a human-computer interface system in actual manufacturing.
The embodiment of the invention has the advantages that the real-time quality monitoring and production control of the rubber extruded product can be realized, so that the continuity, the real-time property and the accuracy of the quality control of the tire are ensured.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A control system for production of rubber extruded products, characterized by:
the method comprises the following steps: the device comprises an extruder (1), a receiving and conveying device (2), a detection system (3) and a control device (4);
the receiving and conveying device (2) is arranged at a position corresponding to the extruder (1), so that the rubber product (7) extruded by the extruder (1) can enter the receiving and conveying device (2) and move towards a direction far away from an extrusion opening (11) of the extruder (1) under the driving of the receiving and conveying device (2);
detecting system (3) set up on connecing and getting conveyor (2), controlling means (4) respectively with detecting system (3) with connect and get conveyor (2) electricity and connect, detecting system (3) gather in real time and enter into connect and get conveyor (2) on the physical parameter information of rubber component (7) to with the information routing who gathers to controlling means (4), controlling means (4) according to receiving the physical parameter information of rubber component (7) to connect and get conveyor (2) and send control signal, in order to control connect and get conveyor (2) and drive the speed of rubber component (7) motion.
2. A control system for the production of rubber extruded articles according to claim 1, wherein:
the system also comprises a human-computer interface system (5);
the human-computer interface system (5) is electrically connected with the control device (4) so that the human-computer interface system (5) can convey preset values of physical parameters of the rubber products (7) to the control device (4), the control device (4) can perform comprehensive operation on the received physical parameter information of the rubber products (7) and the preset values, and the speed of the receiving and conveying device (2) driving the rubber products (7) to move is controlled according to operation results.
3. A control system for the production of rubber extruded articles according to claim 2, wherein:
the human-machine interface system (5) comprises a display (51);
the control device (4) can send the received physical parameter information of the rubber product (7) to the human-computer interface system (5) and display the information through the display (51).
4. A control system for the production of rubber extruded articles according to any of claims 1 to 3, wherein:
the detection system (3) comprises a first detection device (31) and a second detection device (32), and the control device (4) comprises a first arithmetic unit (41) and a second arithmetic unit (42);
the first detection device (31) is electrically connected with the first arithmetic unit (41), the second detection device (32) is electrically connected with the second arithmetic unit (42), and the first arithmetic unit (41) is respectively electrically connected with the second arithmetic unit (42) and the receiving and conveying device (2);
the physical parameter information of the rubber product (7) comprises a first parameter and a second parameter, the first parameter is monitored in real time by the first detection device (31) and sent to the first operation unit (41), the second parameter is monitored in real time by the second detection device (32) and sent to the second operation unit (42), the second operation unit (42) operates according to the received second parameter and obtains a first operation result, then the first operation result is sent to the first operation unit (41), the first operation unit (41) operates according to the received first parameter and the first operation result and obtains a second operation result, and then the speed of the rubber product (7) driven by the receiving and conveying device (2) is controlled according to the second operation result.
5. A control system for the production of rubber extruded articles according to claim 4, wherein:
when the human-computer interface system (5) is further included and the human-computer interface system (5) can convey preset values of physical parameters of the rubber product (7) to the control device (4), the human-computer interface system (5) is respectively electrically connected with the first arithmetic unit (41) and the second arithmetic unit (42), the preset values comprise a first preset value and a second preset value, and the human-computer interface system (5) conveys the first preset value to the first arithmetic unit (41) and conveys the second preset value to the second arithmetic unit (42);
the second arithmetic unit (42) performs arithmetic operation according to the received second parameter and the second preset value to obtain the first arithmetic result, and the first arithmetic unit (41) performs arithmetic operation according to the received first parameter, the first arithmetic result and the first preset value to obtain the second arithmetic result.
6. A control system for the production of rubber extruded articles according to claim 5, wherein:
when the human-machine interface system (5) comprises the display (51);
the first arithmetic unit (41) sends the first parameter to the display (51) for display, and the second arithmetic unit (42) sends the second parameter to the display (51) for display.
7. A control system for the production of rubber extruded articles according to claim 5, wherein:
the alarm device also comprises an alarm device (6);
the first operation unit (41) is electrically connected with the alarm (6) and can send the second operation result to the alarm (6), and the alarm (6) sends out an alarm signal according to the received second operation result.
8. A control method for the production of rubber extruded products is characterized in that:
a control system produced using the rubber extruded product according to any one of claims 1 to 7;
the method comprises the following steps:
an information acquisition step: the detection system collects the physical parameter information of the rubber product entering the receiving and conveying device in real time and sends the collected information to the control device;
and (3) operation steps: the control device carries out operation according to the received physical parameter information to obtain an operation result;
the control steps are as follows: and the control device sends a control signal to the receiving and conveying device according to the operation result so as to control the speed of the receiving and conveying device for driving the rubber product to move.
9. The method of controlling production of a rubber extruded product according to claim 8, characterized in that:
the control system for producing the rubber extruded product further comprises a human-computer interface system, and the human-computer interface system is electrically connected with the control device;
before the information acquisition step, the method also comprises the following steps:
a presetting step: conveying preset values of physical parameters of the rubber product to the control device through the human-computer interface system;
the operation step comprises: and carrying out comprehensive operation on the physical parameter information of the rubber product received by the control device and the preset value.
10. The method of controlling production of a rubber extruded product according to claim 9, characterized in that:
the detection system comprises a first detection device and a second detection device, the control device comprises a first operation unit and a second operation unit, the first detection device is electrically connected with the first operation unit, the second detection device is electrically connected with the second operation unit, and the first operation unit is electrically connected with the second operation unit and the receiving and conveying device respectively;
the presetting step comprises the following steps: the human-computer interface sends a first preset value R (t) into the first arithmetic unit, and simultaneously sends a second preset value r (t) into the second arithmetic unit;
the information acquisition step comprises: the first detection device collects first parameters C (t) of the rubber product in real time and sends the first parameters C (t) to the first arithmetic unit, and the second detection device collects second parameters c (t) of the rubber product in real time and sends the second parameters c (t) to the second arithmetic unit;
in the operation step, first, the second operation means performs operations of: u (t) ═ kp (e (t) +1/TI ^ e (t) dt + TD ^ de (t) (/ dt), where e (t) ═ r (t) -c (t), then the first operation unit performs the operation: u (t) ═ kp (e (t) + 1/TI;
u (t) is a control quantity sent to the access conveying device by the detection system, kp is a proportionality coefficient, TI is an integral time constant, TD is a differential time constant, and the upper limit and the lower limit of the integral are 0 and t respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010998218.6A CN112060542A (en) | 2020-09-22 | 2020-09-22 | Control system and control method for production of rubber extruded product |
| PCT/CN2021/110154 WO2022062667A1 (en) | 2020-09-22 | 2021-08-02 | Control system and control method for production of rubber extruded product |
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| CN202010998218.6A CN112060542A (en) | 2020-09-22 | 2020-09-22 | Control system and control method for production of rubber extruded product |
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| WO (1) | WO2022062667A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| WO2022062667A1 (en) * | 2020-09-22 | 2022-03-31 | 桂林橡胶设计院有限公司 | Control system and control method for production of rubber extruded product |
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| CN112810104A (en) * | 2021-02-07 | 2021-05-18 | 桂林理工大学 | Extrusion production line capable of automatically adjusting section size and extrusion control method |
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