A device for automatically controlling wind pressure, wind speed and temperature in a vulcanizing tank and its operation process

Abstract

The invention discloses an automatic control device for wind pressure, wind speed and temperature in a vulcanization tank and an operation process, comprising a heat source arranged below the vulcanization tank, a fan at the rear, an air supply port, an air exhaust port and a pitot tube component, wherein the air supply port and the air exhaust port are provided with electric butterfly valves, and the electric butterfly valves are controlled by a PLC controller; the pitot tube component comprises a wind pressure sensor, a wind speed sensor and a temperature sensor connected to the PLC controller; the invention utilizes the sensor in the pitot tube component to monitor data such as wind pressure, wind speed and temperature in the vulcanization tank, and outputs the monitoring data to the PLC controller, and then adjusts the first electric butterfly valve and the second electric butterfly valve on the air supply port and the air exhaust port through an operation keyboard on the PLC controller, so as to finally achieve uniform wind pressure, wind speed and temperature in the vulcanization tank, thereby solving the problem of automatic temperature control of different rubber products in the continuous production process of rubber strips, so as to realize automatic continuous production and save energy.

Description

Technical Field

[0001] The invention relates to the technical field of vulcanization equipment, in particular to a device for automatically controlling wind pressure, wind speed and temperature in a vulcanization tank and an operating process. Background Art

[0002] The vulcanization tank is one of the necessary structural components in the vulcanization equipment, which is mainly used for vulcanization processing of rubber strips. At present, the vulcanization tank is often used to vulcanize rubber, so that it can complete primary vulcanization and secondary vulcanization. However, the heat loss of the existing vulcanization tank is very fast, and the rubber in it often does not have time to undergo secondary vulcanization under the action of residual heat or the secondary vulcanization is incomplete, and the mechanical properties and compression permanent deformation properties of the rubber cannot be guaranteed. The main reason is that the wind pressure, wind speed, temperature and other problems in the vulcanization tank cannot be controlled, so that in the continuous production process of rubber strips, automatic temperature control cannot be achieved for different rubber products. Summary of the invention

[0003] The purpose of the present invention is to provide a device and operating process for automatically controlling wind pressure, wind speed and temperature in a vulcanization tank, which is used to monitor and control the balance of wind speed and temperature in the vulcanization tank in real time, solves the problem of automatic temperature control of different rubber products during the continuous production of rubber strips, so as to realize automatic continuous production and save energy.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A device for automatically controlling wind pressure, wind speed and temperature in a vulcanizing tank, comprising a vulcanizing tank and a heat source placed below the vulcanizing tank, a fan at the rear, an air supply port, an air exhaust port and a pitot tube component, wherein the inlet end of the fan is connected to one side of the vulcanizing tank through an air outlet duct; the air supply port is installed on the air outlet duct, and a first electric butterfly valve is arranged on the air supply port; the outlet end of the fan is connected to an air inlet duct, and the air inlet duct is connected to the air inlet of the vulcanizing tank; the air inlet duct is installed on the air inlet duct, and a second electric butterfly valve is arranged on the air exhaust port; the second electric butterfly valve and the first The electric butterfly valve is connected to the PLC controller; the Pitot tube component includes a sleeve, the lower part of the sleeve is connected to the lock nut, and is connected to the sensor integrated end through the lock nut, and the signal output line of the sensor integrated end is connected to the PLC controller; the signal input end of the sensor integrated end is correspondingly connected to the wind pressure sensor, the wind speed sensor and the temperature sensor; the wind pressure sensor, the wind speed sensor and the temperature sensor are respectively installed on the top of the sleeve, and the sleeve together with the wind pressure sensor, the wind speed sensor and the temperature sensor are installed inside the vulcanization tank and are arranged facing the wind direction in the vulcanization tank.

[0006] Furthermore, the heat source is composed of an electrically driven heating plate.

[0007] Furthermore, the sensor integration end is used to integrate the output ends of the wind pressure sensor, the wind speed sensor and the temperature sensor into one box.

[0008] Furthermore, the PLC controller is a Siemens S7-200 series controller, which includes an operating keyboard and a display screen.

[0009] Furthermore, the PLC controller is provided with three signal input interfaces A, B, and C and two power output terminals D and E.

[0010] Furthermore, the A signal input interface on the PLC controller is connected to the first electric butterfly valve, the B signal input interface is connected to the second electric butterfly valve, the C signal input interface is connected to the output line of the sensor integration end, the power output end D is connected to the power line of the fan, and the power output end E is connected to the power line of the heat source.

[0011] The present invention provides another technical solution: an operation process of a device for automatically controlling wind pressure, wind speed and temperature in a vulcanization tank, comprising the following steps:

[0012] S1: Start the heat source through the PLC controller to heat and keep the vulcanization tank warm;

[0013] S2: The wind pressure sensor, wind speed sensor and temperature sensor on the pitot tube component detect the wind pressure, wind speed and temperature in the vulcanization tank respectively, and transmit them to the C signal input interface of the PLC controller from the sensor integrated end;

[0014] S3: The PLC controller compares the wind pressure, wind speed and temperature in the vulcanization tank with the standard values, and displays and adjusts them through the operating keyboard and display screen.

[0015] Furthermore, in S3, if the wind pressure, wind speed and temperature in the vulcanization tank are within the standard value range, the PLC controller does not operate; if the wind pressure and wind speed in the vulcanization tank exceed the standard value, the PLC controller adjusts the shut-off state of the first electric butterfly valve and the second electric butterfly valve through the operation keyboard, thereby adjusting the supply air volume of the air supply port and the exhaust port; if the temperature detection value exceeds the standard value, it is adjusted by controlling the working state of the heat source.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention provides an automatic control device for wind pressure, wind speed and temperature in a vulcanization tank and an operating process, comprising a heat source arranged below the vulcanization tank, a fan at the rear, an air supply port, an air exhaust port and a pitot tube component. The device utilizes a wind pressure sensor, a wind speed sensor and a temperature sensor in the pitot tube component to monitor data such as wind pressure, wind speed and temperature in the vulcanization tank, and outputs the monitoring data to a PLC controller. The first electric butterfly valve and the second electric butterfly valve on the air supply port and the air exhaust port are adjusted through an operating keyboard on the PLC controller, so as to finally achieve constant wind pressure, wind speed and temperature in the vulcanization tank, thereby solving the problem of automatic temperature control of different rubber products during the continuous production of rubber strips, so as to realize automated continuous production and save energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of the Pitot tube components of the present invention;

[0020] Figure 3 It is the connection principle diagram of the PLC controller of the present invention.

[0021] In the figure: 1. heat source; 2. fan; 3. air supply port; 4. exhaust port; 5. Pitot tube component; 501. sleeve; 502. lock nut; 503. sensor integration end; 504. wind pressure sensor; 505. wind speed sensor; 506. temperature sensor; 6. vulcanization tank; 7. air inlet duct; 8. first electric butterfly valve; 9. second electric butterfly valve; 10. PLC controller; 101. operation keyboard; 102. display screen; 11. air outlet duct. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-2In an embodiment of the present invention, there is provided: a device for automatically controlling wind pressure, wind speed and temperature in a vulcanization tank, comprising a vulcanization tank 6 and a heat source 1 placed below the vulcanization tank 6, a fan 2 at the rear, an air supply port 3, an air exhaust port 4 and a Pitot tube component 5, the inlet end of the fan 2 is connected to one side of the vulcanization tank 6 through an air outlet duct 11; the air supply port 3 is installed on the air outlet duct 11, and a first electric butterfly valve 8 is provided on the air supply port 3; the outlet end of the fan 2 is connected to the air inlet duct 7, and the air inlet duct 7 is connected to the air inlet of the vulcanization tank 6; the air exhaust port 4 is installed on the air inlet duct 7, and a second electric butterfly valve 9 is provided on the air exhaust port 4; the second electric butterfly valve 9 and the first electric butterfly valve 8 are connected to a PLC controller 10; The Pitot tube component 5 includes a sleeve 501, the lower part of the sleeve 501 is connected to a lock nut 502, and is connected to a sensor integrated end 503 through the lock nut 502, and a signal output line of the sensor integrated end 503 is connected to a PLC controller 10; a signal input end of the sensor integrated end 503 is correspondingly connected to a wind pressure sensor 504, a wind speed sensor 505 and a temperature sensor 506; the wind pressure sensor 504, the wind speed sensor 505 and the temperature sensor 506 are respectively installed on the top of the sleeve 501, and the sleeve 501 together with the wind pressure sensor 504, the wind speed sensor 505 and the temperature sensor 506 are installed inside the vulcanization tank 6, and are arranged facing the wind direction in the vulcanization tank 6.

[0024] In the above embodiment, the heat source 1 is composed of electrically driven heating plates, and the number of the heating plates is 3-5 as required, for heating and keeping the vulcanization tank 6 warm.

[0025] In the above embodiment, the sensor integration end 503 is used to integrate the output ends of the wind pressure sensor 504, the wind speed sensor 505 and the temperature sensor 506 into a box, which is convenient for managing the signal lines of the sensors and extending the service life of the sensors. The interface of the sensor integration end 503 transmits each signal line to the corresponding signal interface of the PLC controller 10.

[0026] In the above embodiment, the PLC controller 10 uses the Siemens S7-200 series, which includes an operating keyboard 101 and a display screen 102. This series of PLCs has the advantages of small size, high speed, standardization, network communication capability, stronger functions, and high reliability.

[0027] See also Figure 3 In the above embodiment, the PLC controller 10 is provided with three signal input interfaces A, B, and C and two power output terminals D and E; wherein the A signal input interface is connected to the first electric butterfly valve 8, the B signal input interface is connected to the second electric butterfly valve 9, the C signal input interface is connected to the output line of the sensor integrated terminal 503, the power output terminal D is connected to the power line of the fan 2, and the power output terminal E is connected to the power line of the heat source 1.

[0028] In order to further better explain the above invention, an operation process of an automatic control device for wind pressure, wind speed and temperature in a vulcanization tank is also provided, comprising the following steps:

[0029] The first step: starting the heat source 1 through the PLC controller 10 to heat and keep the vulcanization tank 6;

[0030] Step 2: The wind pressure sensor 504, wind speed sensor 505 and temperature sensor 506 on the pitot tube component 5 detect the wind pressure, wind speed and temperature in the vulcanization tank 6 respectively, and transmit them to the C signal input interface of the PLC controller 10 through the sensor integrated terminal 503;

[0031] Step 3: The PLC controller 10 compares the wind pressure, wind speed and temperature in the vulcanization tank 6 with the standard values, and displays and adjusts them through the operation keyboard 101 and the display screen 102; wherein, if the wind pressure, wind speed and temperature in the vulcanization tank 6 are within the standard value range, the PLC controller 10 does not operate; if the wind pressure and wind speed in the vulcanization tank 6 exceed the standard value, the PLC controller 10 adjusts the closing state of the first electric butterfly valve 8 and the second electric butterfly valve 9 through the operation keyboard 101, thereby adjusting the supply air volume of the air supply port 3 and the exhaust port 4; if the temperature detection value exceeds the standard value, it is adjusted by controlling the working state of the heat source 1.

[0032] In summary: the present invention provides an automatic control device for wind pressure, wind speed and temperature in a vulcanization tank and an operating process, comprising a heat source 1 placed below a vulcanization tank 6, a fan 2 at the rear, an air supply port 3, an air outlet 4 and a Pitot tube component 5, which utilizes a wind pressure sensor 504, a wind speed sensor 505 and a temperature sensor 506 in the Pitot tube component 5 to monitor data such as wind pressure, wind speed and temperature in the vulcanization tank 6, and outputs the monitoring data to a PLC controller 10, and then adjusts the first electric butterfly valve 8 and the second electric butterfly valve 9 on the air supply port 3 and the air outlet 4 through the operating keyboard 101 on the PLC controller 10, and finally achieves constant wind pressure, wind speed and temperature in the vulcanization tank 6, thereby solving the problem of automatic temperature control of different rubber products during the continuous production of rubber strips, so as to realize automated continuous production and save energy.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for automatically controlling wind pressure, wind speed and temperature in a vulcanizing tank, comprising a vulcanizing tank (6), a heat source (1) arranged below the vulcanizing tank (6), a fan (2) at the rear, an air supply port (3), an air outlet (4) and a pitot tube component (5), characterized in that: The inlet end of the fan (2) is connected to one side of the vulcanization tank (6) through an air outlet duct (11); an air supply port (3) is installed on the air outlet duct (11), and a first electric butterfly valve (8) is provided on the air supply port (3); the outlet end of the fan (2) is connected to an air inlet duct (7), and the air inlet duct (7) is connected to the air inlet of the vulcanization tank (6); an air outlet (4) is installed on the air inlet duct (7), and a second electric butterfly valve (9) is provided on the air outlet (4); the second electric butterfly valve (9) and the first electric butterfly valve (8) are connected to a PLC controller (10); the pitot tube component (5) includes a sleeve, and the lower part of the sleeve is connected to A lock nut is provided, and the sensor integrated end is connected through the lock nut, and the signal output line of the sensor integrated end is connected to the PLC controller (10); the signal input end of the sensor integrated end is correspondingly connected to the wind pressure sensor, the wind speed sensor and the temperature sensor; the wind pressure sensor, the wind speed sensor and the temperature sensor are respectively installed on the top of the sleeve, and the sleeve together with the wind pressure sensor, the wind speed sensor and the temperature sensor are installed inside the vulcanization tank (6) and are arranged facing the wind direction in the vulcanization tank (6); the heat source (1) is composed of an electrically driven heating plate; the sensor integrated end is used to integrate the output ends of the wind pressure sensor, the wind speed sensor and the temperature sensor into a box body.

2. The automatic control device for wind pressure, wind speed and temperature in a vulcanization tank according to claim 1, characterized in that: The PLC controller (10) is a Siemens S7-200 series controller, which includes an operating keyboard and a display screen.

3. The automatic control device for wind pressure, wind speed and temperature in a vulcanizing tank as claimed in claim 2, characterized in that: The PLC controller (10) is provided with three signal input interfaces A, B and C and two power output terminals D and E.

4. The automatic control device for wind pressure, wind speed and temperature in a vulcanizing tank as claimed in claim 3, characterized in that: The A signal input interface on the PLC controller (10) is connected to the first electric butterfly valve (8), the B signal input interface is connected to the second electric butterfly valve (9), the C signal input interface is connected to the output line of the sensor integration end, the power output end D is connected to the power line of the fan (2), and the power output end E is connected to the power line of the heat source (1).

5. An operating process of the automatic control device for wind pressure, wind speed and temperature in a vulcanization tank as claimed in claim 1, characterized in that: The following steps are involved: S1: starting the heat source (1) through the PLC controller (10) to heat and keep the vulcanization tank (6); S2: The wind pressure sensor, wind speed sensor and temperature sensor on the pitot tube component (5) detect the wind pressure, wind speed and temperature in the vulcanization tank (6) respectively, and transmit the results to the C signal input interface of the PLC controller (10) from the sensor integrated end; S3: The PLC controller (10) compares the wind pressure, wind speed and temperature in the vulcanizing tank (6) with standard values, and displays and regulates them through the operation keyboard and display screen.

6. The operating process of the automatic control device for wind pressure, wind speed and temperature in a vulcanization tank as claimed in claim 5, characterized in that: In S3, if the wind pressure, wind speed and temperature in the vulcanizing tank (6) are within the standard value range, the PLC controller (10) does not operate; if the wind pressure and wind speed in the vulcanizing tank (6) exceed the standard value, the PLC controller (10) controls the closing state of the first electric butterfly valve (8) and the second electric butterfly valve (9) through the operation keyboard, thereby adjusting the supply air volume of the air supply port (3) and the exhaust port (4); if the temperature detection value exceeds the standard value, it is adjusted by controlling the working state of the heat source (1).

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