CN213867099U - Automatic temperature control system - Google Patents
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- CN213867099U CN213867099U CN202022379082.9U CN202022379082U CN213867099U CN 213867099 U CN213867099 U CN 213867099U CN 202022379082 U CN202022379082 U CN 202022379082U CN 213867099 U CN213867099 U CN 213867099U
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Abstract
An automatic temperature control system for automatically controlling temperature parameters of each mold of a mold set, the automatic temperature control system comprising: the device comprises a human-machine unit, a control unit, a detection unit and a controlled unit, wherein the human-machine unit is connected with the control unit, the control unit is connected with the detection unit, and the detection unit is connected with the controlled unit. The control unit is used for reading the preset parameters of each mould set by the man-machine unit, reading the temperature parameters of each mould obtained by the detection unit in real time, comparing the difference value of each preset parameter and each temperature parameter, and outputting a first analog quantity signal parameter to the controlled unit so as to drive the controlled unit to automatically adjust the variable parameters of each mould; and the controlled unit is connected with the control unit and is used for outputting the second analog quantity signal parameter to the control unit.
Description
Technical Field
The utility model relates to a paper pulp molding machine technical field especially relates to an automatic temperature control system about paper pulp molding machine mould.
Background
The upgrading and reconstruction of the temperature control system of the paper pulp molding production equipment has important practical significance and environmental protection significance for environmental protection, energy conservation, consumption reduction and labor force reduction. Because the pulp molding product adopts the plant fiber as the main raw material, the product generally contains higher moisture after being molded in the production process, and the drying process is needed, the drying process utilizes fuel oil (steam), electricity or steam, hot oil or other media as heat sources to heat the mould through a heating plate, so that the pulp product mould has higher temperature, the temperature is generally 160-200 ℃, and the paper support product is pressed under high temperature and high pressure by utilizing air pressure or hydraulic pressure, thereby achieving the drying and shaping effects.
The temperature control of the upper die and the lower die of each die is crucial, which affects the opening and closing of the dies of the forming machine, the drying, shaping and drying time of the product, the operation of the equipment, the color, the surface smoothness and the like of the finished product, and further the quality of the product.
The temperature control system of the pulp molding machine generally comprises the following types: an electric heating control system and a heat-conducting oil heating manual regulation control system. The conventional heat-conducting oil heating manual control system can realize the adjustment of the flow of heat-conducting oil in a pipeline, but manual valves are manually adjusted with abundant experience to reach the required temperature and the temperature difference between dies, the manual valves are difficult to be adjusted one by the manual valves with insufficient experience, the adjustment period is long, the operation is inconvenient, and the manual valves are not beneficial to production.
According to the existing electric heating control system, the heating of each die is independently controlled, so that the automatic temperature control can be well realized, but the power is high, the energy consumption is high, the heating is uneven, and the circuit failure rate is high.
And current conduction oil heating manual control system, the heat-conducting medium temperature that every mould hot plate got into is the same, can be even heats the mould, but the difference in temperature between the mould is wayward, and automatic control can not be realized to the temperature, and the regulation temperature fluctuation range is big, and the regulation cycle length is long, is difficult for the staff to master fast.
Therefore, in order to further solve the problem that the manual regulating valve in the existing heat-conducting oil heating temperature control system cannot be automatically controlled, an automatic temperature control system for the mold of the pulp molding machine needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above-mentioned problem, a temperature automatic control system is provided, programmable controller is used for reading the parameter of predetermineeing of each mould of mould group and exports to the temperature controller, the temperature controller passes through temperature sensor and acquires the temperature parameter of each mould in real time, and output first analog quantity signal parameter to electrical control valve after the difference of parameter and temperature parameter is predetermine in the contrast, with the temperature parameter of drive electrical control valve automatically regulated aperture and then adjust each mould, thereby realize the electrical control valve automatic control aperture, and the temperature control's of each mould of mould group precision has been promoted.
In order to achieve the purpose, the utility model adopts the following technical scheme.
The utility model provides an automatic temperature control system for the temperature parameter of each mould of automatic control mould group, include: the device comprises a detection unit, a control unit and a controlled unit, wherein the control unit is connected with the detection unit, the detection unit is connected with the controlled unit, the control unit is used for reading preset parameters of each mould and obtaining temperature parameters of each mould in real time, and outputting a first analog quantity temperature signal degree to the controlled unit after comparing the difference value of each preset parameter and each temperature parameter so as to drive the controlled unit to automatically adjust the temperature parameters of each mould; and the controlled unit is connected with the control unit and is used for outputting a second analog quantity signal parameter to the control unit.
Further, the control unit comprises a programmable controller and a plurality of temperature controllers, the controlled unit comprises a plurality of electric control valves, the programmable controller is connected with the plurality of temperature controllers, and each temperature controller is connected with one electric control valve; the programmable controller is used for reading preset parameters of each die and outputting the preset parameters to the temperature controller; and the temperature controller is used for acquiring the temperature parameters of each die in real time, comparing the difference value between each temperature parameter and each preset parameter, and outputting the first analog quantity signal parameter to each electric regulating valve so as to drive each electric regulating valve to automatically regulate the opening degree and further regulate the temperature parameters of each die.
Furthermore, the electric control valves are connected with the programmable controller, and each electric control valve is used for automatically adjusting the opening degree and then outputting a second analog quantity signal parameter to the programmable controller.
Further, the automatic control system further comprises a man-machine unit, the man-machine unit is provided with a touch screen, the touch screen is connected with the programmable controller, the touch screen is used for setting preset parameters of the die set by workers, the programmable controller is used for reading the preset parameters, the temperature parameters and the second analog quantity signal parameters, and the touch screen is further used for displaying the preset parameters, the temperature parameters and the second analog quantity signal parameters.
Further, the detection unit is used for detecting the temperature parameter of each mold in real time, the detection unit comprises a plurality of temperature sensors, each temperature sensor is correspondingly connected with each temperature controller, and each temperature sensor is used for detecting the temperature parameter of each mold and feeding back the temperature parameter to the corresponding temperature controller.
Further, the unit controlled still includes a plurality of hot plates, each electrical control valve with one the hot plate is connected, each temperature sensor with one the hot plate corresponds and is connected, electrical control valve automatically regulated aperture is used for changing the temperature parameter of hot plate, temperature sensor is used for real-time detection the temperature parameter of hot plate.
Furthermore, the programmable controller is connected with a communication module and an analog quantity module in an expansion mode.
Furthermore, the programmable controller is connected with the plurality of temperature controllers through a first communication interface, and the programmable controller is connected with the touch screen through a second communication interface.
Further, the first analog quantity signal parameter is a 4-20mA current signal, and the second analog quantity signal parameter is a 4-20mA current signal.
Automatic temperature control system's positive effect is:
(1) temperature automatic control system utilizes programmable controller to read the preset parameter of each mould of mould group and exports to the temperature controller that corresponds, the temperature controller passes through temperature sensor and acquires the variable parameter of each mould temperature in real time, and the temperature controller is used for comparing and exports first analog quantity signal parameter to each electrical control valve behind the difference of variable parameter and preset parameter, with drive each electrical control valve automatically regulated aperture, thereby realize the pipeline medium flow parameter of electrical control valve automatic control aperture in order to change the hot plate, and then adjust the temperature parameter of hot plate, and realize accurate temperature control's effect. Temperature automatic control system uses programmable controller with the temperature controller combines together and controls, and chooses electrical control valve replaces the manual regulation valve among the prior art, so that electrical control valve automatically regulated aperture to the realization is to the automatically regulated of the temperature parameter of each mould of mould group.
(2) In addition, because the temperature controller is used for carrying out closed-loop control technology adjustment (PID control technology) on the temperature parameters, the operation burden of the programmable controller is greatly reduced, the operation efficiency of the programmable controller is improved, and the programmable controller can be connected with a communication module, an analog quantity module and other special modules in an extensible mode so as to facilitate the upgrading and the reconstruction of a subsequent system.
(3) The method improves the defects of the prior art in a targeted manner, improves the accurate control of the temperature of each mould of the mould set of the pulp moulding machine, has simple operation and good use effect, and effectively improves the quality of products in the production process.
(4) In addition, the automatic temperature control system has wide application range and can be widely used in the field of industrial production.
Drawings
Fig. 1 is a schematic structural diagram of the automatic temperature control system of the present invention.
The reference numerals in the figures are respectively:
1. a detection unit; 2. A control unit;
3. a controlled unit; 4. A human-machine unit;
10. a temperature controller; 11. A temperature sensor;
20. a programmable controller; 30. An electric control valve;
40. a touch screen; 50. Heating plates;
12. a first communication interface; 13. A second communication interface;
14. a first analog quantity signal parameter; 15. And a second analog quantity signal parameter.
Detailed Description
The following description of the automatic temperature control system according to the present invention is provided with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an automatic temperature control system according to the present invention. The utility model provides a temperature automatic control system is applicable to the automated control to each mould variable parameter of paper pulp molding machine mould group, is particularly useful for right the automated control of the temperature parameter of each mould, promptly, in this embodiment, the variable parameter especially indicates temperature parameter. As shown in fig. 1, the automatic temperature control system includes a detection unit 1, a control unit 2, a controlled unit 3 and a human-machine unit 4.
Referring to fig. 1, the control unit 2 is connected to the detection unit 1 and the controlled unit 3, and the detection unit 1 is connected to the controlled unit 3. The control unit 2 is configured to read a preset parameter of each mold and obtain a temperature parameter of each mold in real time, compare a difference between the preset parameter and the temperature parameter, and output a first analog signal parameter 14 to the controlled unit 3 to drive the controlled unit 3 to automatically adjust the temperature parameter of each mold, and the controlled unit 3 is configured to output a second analog signal parameter 15 to the control unit 2.
That is, in this embodiment, the temperature parameter is defined to correspond to the real-time temperature parameter of each mold, and the preset parameter corresponds to the set target temperature of each mold.
Referring to fig. 1, in the embodiment of the present application, the detecting unit 1 includes a plurality of temperature sensors 11, the controlling unit 2 includes a programmable controller 20 and a plurality of temperature controllers 10, the controlled unit 3 includes a plurality of electric control valves 30, and the human-machine unit 4 includes a touch screen 40.
As shown in fig. 1, each of the temperature sensors 11 is connected to each of the temperature controllers 10 through a connection line, each of the temperature controllers 10 is correspondingly connected to one of the electrical control valves 30, and the electrical control valves 30 are connected to the programmable controller 20; each electric control valve 30 is correspondingly connected with a heating plate 50 of each mold, and each temperature sensor 11 is correspondingly connected with a heating plate 50 of each mold. Each temperature sensor 11 is configured to detect a temperature parameter of each mold and feed back the temperature parameter to the temperature controller 10, the temperature sensor 11 is a sensor capable of sensing temperature and converting the temperature parameter into a usable output electrical signal, a measurement mode of the temperature sensor 11 is a contact type, and the temperature sensor 11 is fixed on the heating plate 50 to detect temperature.
As shown in fig. 1, the programmable controller 20 is connected to the plurality of temperature controllers 10, the programmable controller 20 is configured to read a preset parameter of each mold and write each preset parameter into each temperature controller 10, each temperature controller 10 is configured to obtain a temperature parameter of each mold in real time, each temperature controller 10 is configured to compare a difference between the temperature parameter and the preset parameter, output a first analog signal 14 and transmit the first analog signal to a corresponding electric control valve 30 to drive the electric control valve 30 to automatically adjust the opening, and each electric control valve 30 is configured to output a second analog signal 15 and transmit the second analog signal 15 to the programmable controller 20, that is, the programmable controller 20 is configured to read the second analog signal 15 of each electric control valve 30.
In this application, each electrical control valve 30 automatically regulated aperture is in order to change the pipeline medium flow parameter of each mould, and then changes the temperature parameter of the hot plate 50 of each mould, and temperature sensor 11 is used for real-time detection the temperature parameter of hot plate 50 is used for with the temperature parameter feedback of hot plate 50 extremely temperature controller 10, pipeline medium flow parameter with electrical control valve 30's aperture is positive correlation, in this embodiment, pipeline medium flow parameter specifically does the pipeline conduction oil flow parameter of mould.
Referring to fig. 1, the touch screen 40 is configured to collect and display preset parameters of each mold, specifically, the touch screen 40 is configured to enable a worker to set the preset parameters of each mold, and, the touch screen 40 is connected to the programmable controller 20, the programmable controller 20 is configured to read each of the preset parameters, and the programmable controller 20 is used for writing the temperature parameter of each mould and the second analog quantity signal parameter 15 into the touch screen 40, the touch screen 40 is used for displaying the temperature parameter of each mold, the preset parameter and the second analog quantity signal parameter 15, the touch screen 40 embodies a man-machine interaction mode, facilitates quick and accurate judgment of personnel, can control the medium temperature difference of the die, facilitates operation of the personnel, and is beneficial to monitoring and managing system parameters by utilizing the touch screen 40.
In addition, it should be noted that the temperature controller 10 is an instrument device having integrated measuring, adjusting and driving functions. For example, in the present application, the temperature controller 10 is used as an actuator, and the temperature controller 10 is used for outputting the first analog quantity signal parameter 14 and for driving the electric control valve 30 of the controlled unit 3 to automatically adjust the opening degree and output the second analog quantity signal parameter 15.
In this embodiment, the preset parameter is T0, the temperature parameter is T1, the temperature controller 10 is configured to compare the difference between T0 and T1, i.e., the difference is T0-T1, and whether the first analog signal parameter 14 output by the temperature controller 10 drives the electric control valve 30 is determined by the difference. In this embodiment, only when the difference is greater than 0, the first analog quantity signal parameter 14 output by the temperature controller 10 is used for driving the electric control valve 30 to adjust the opening degree, and the value of the first analog quantity signal parameter 14 is 4mA to 20 mA. However, for example, when the difference of the temperature controller 10 is less than 0, the first analog quantity signal parameter 14 outputted from the temperature controller 10 is 4mA, the electrical regulator valve 30 is driven to be 0% open, i.e., fully closed, and is configured to output the second analog quantity signal 15 as 0.
In one embodiment, when the difference is greater than 0, for example, when the temperature controller 10 outputs the first analog quantity signal parameter 14 with a value of 12mA, the opening degree of the electric control valve 30 is driven to be adjusted to 50%, and the electric control valve 30 outputs the second analog quantity signal parameter 15 with a value of 12 mA.
In this embodiment, let X be the current signal value of the first analog quantity signal parameter 14 output by the temperature controller 10, and Y be the opening degree of the electric control valve 30, X, Y satisfies the following conversion formula: (X-4)/(20-4) ═ Y-0)/(100% -0).
In this embodiment, the programmable controller 20 is connected to a communication module and an analog module in an extending manner. The communication module is configured to read and write the temperature parameter, the preset parameter, the pipeline medium flow parameter, the PID parameter, and other system parameters, and the analog module is configured to read the second analog signal parameter 15 output by the electrical control valve 30. And, the programmable controller 20 may be further connected with at least one other special module in an expandable manner, so as to facilitate upgrading and modification of the automatic control system.
In this embodiment, as shown in fig. 1, the programmable controller 20 is connected to the plurality of temperature controllers 10 through a first communication interface 12, the programmable controller 20 is connected to the touch screen 40 through a second communication interface 13, the first communication interface 12 is an RS485 communication interface, and the second communication interface 13 is an RS485 communication interface. Specifically, the programmable controller 20 writes the preset parameter of each mold into the temperature controller 10 through the first communication interface 12, the programmable controller 20 reads the temperature parameter of each mold obtained by the temperature controller 10 through the first communication interface 12, the programmable controller 20 reads the preset parameter set by the touch screen 40 through the second communication interface 13, the programmable controller 20 writes the read temperature parameter of each mold into the touch screen 40 through the second communication interface 13, and the programmable controller 20 writes the read second analog signal parameter 15 into the touch screen 40 through the second communication interface 13.
Each of the electric control valves 30 includes a valve, a valve core, and a base, and the temperature controller 10 is configured to output the first analog signal parameter 14 and transmit the first analog signal parameter to each of the electric control valves 30, so as to drive each of the valves to change a sectional area between the valve core and the base, thereby controlling a flow rate of the pipeline medium and realizing an automatic opening control of the electric control valves 30. And, the electrical control valve 30 is used for outputting the second analog quantity signal parameter 15 and for transmitting to the programmable controller 20, and the second analog quantity signal parameter 15 is written to the touch screen 40 through the programmable controller 20, so as to display and monitor the opening degree of the electrical control valve 30.
Preferably, the first analog quantity signal parameter 14 output by the temperature controller 10 is a 4-20mA current signal, correspondingly, the second analog quantity signal parameter 15 output by each electric control valve 30 is a 4-20mA current signal, and the power supply of the electric control valve 30 adopts 220V alternating current, wherein the 4-20mA current signal is a standard current signal.
It should be further noted that the electric control valve 30 includes an electric actuator, the electric actuator has a servo function, the electric actuator is configured to receive the first analog quantity signal parameter 14 of the temperature controller 10, the first analog quantity signal parameter 14 is 4-20mA, and the electric actuator is configured to convert the first analog quantity signal parameter 14 into a corresponding linear displacement, the electric control valve 30 realizes automatic control of an opening, which is a sectional area between the valve element and the base, so as to achieve an effect of continuously and automatically adjusting a flow process parameter of a medium or a fluid in a pipeline.
In the present application, the temperature controller 10, the programmable controller 20, and the electric control valve 30 of the automatic temperature control system constitute a closed-loop control system (PID control technique). This application temperature automatic control system adopts PID control technique, with programmable controller 20 with temperature controller 10 is the core, programmable controller 20 with temperature controller 10 utilizes industry MODBUS RS485 communication technology, utilizes temperature controller 10 controls electrical control valve 30 realizes promptly and accurately that to self aperture promptly the control accuracy of pipeline medium flow parameter, and then reaches a plurality ofly the control of the temperature parameter of mould. In addition, the PID technology can be used for further analyzing the temperature change condition of each die by using the temperature curve drawn by the temperature parameter, so that the analysis and improvement of a person in the technical aspect are facilitated. And, utilize the temperature controller 10 to accomplish the closed-loop adjustment to the temperature of mould, alleviateed the operation burden of programmable controller 20 greatly, greatly promoted the operating efficiency of programmable controller 20.
In other embodiments, the temperature variable parameter of the pulp molding machine mold can be continuously and automatically adjusted by using the automatic temperature control system. In the present application, the automatic control system is not limited to implementing automatic control of temperature parameters, but also applies to other variable parameters including, but not limited to, temperature, pressure, flow rate, level process parameters of a medium or fluid in a pipeline if the temperature controller 10 of the automatic temperature control system is replaced with another type of actuator.
The utility model has the advantages of, temperature automatic control system utilizes temperature controller 10 acquires the temperature parameter of each mould, temperature controller 10 with programmable controller 20 connects, programmable controller 20 is used for reading each the temperature parameter and each of mould the preset parameter write in of mould extremely temperature controller 10, temperature controller 10 is used for contrasting each preset parameter and each export first analog quantity signal parameter 14 in order to drive behind the temperature parameter electrical control valve 30, in order to realize electrical control valve 30 automatic control self aperture and pipeline medium flow parameter to realize accurate temperature control's effect. Thus, temperature automatic control system uses programmable controller 20 with temperature controller 10 combines together and controls, and chooses electrical control valve 30 replaces the manual governing valve among the prior art, so that electrical control valve 30 automatic control pipeline medium flow parameter, thereby the realization is right the automatically regulated of mould temperature. The application the automatic temperature control system pertinently improves the defects of the prior art, improves the accurate control of the mold temperature of the pulp molding machine, has good using effect and simple operation, and effectively improves the product quality of products in the production process. In addition, the automatic temperature control system has wide application range and can be widely used in the field of industrial production.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An automatic temperature control system for automatically controlling temperature parameters of each mold of a mold set, comprising:
a detection unit, a control unit and a controlled unit, wherein,
the control unit is connected with the detection unit, the detection unit is connected with the controlled unit, and the control unit is used for reading preset parameters of each mould, acquiring temperature parameters of each mould in real time, comparing the difference value of each preset parameter and each temperature parameter, and outputting a first analog quantity signal parameter to the controlled unit so as to drive the controlled unit to automatically adjust the temperature parameters of each mould; and the number of the first and second electrodes,
the controlled unit is connected with the control unit and is used for outputting a second analog quantity signal parameter to the control unit.
2. The system according to claim 1, wherein the control unit comprises a programmable controller and a plurality of temperature control devices, the controlled unit comprises a plurality of electric control valves, the programmable controller is connected with the plurality of temperature control devices, and each temperature control device is connected with one electric control valve; the programmable controller is used for reading preset parameters of each die and outputting the preset parameters to the temperature controller; and the temperature controller is used for acquiring the temperature parameters of each die in real time, comparing the difference value between each preset parameter and each temperature parameter, and outputting the first analog quantity signal parameter to each electric regulating valve so as to drive each electric regulating valve to automatically regulate the opening degree and further regulate the temperature parameters of each die.
3. The system according to claim 2, wherein the plurality of electric control valves are connected to the programmable controller, and each electric control valve is configured to automatically adjust an opening degree and output a second analog signal parameter to the programmable controller.
4. The system according to claim 3, further comprising a human-machine unit having a touch screen connected to the programmable controller, wherein the touch screen is used for a worker to set preset parameters for each mold, the programmable controller is used for reading the preset parameters, the temperature parameters and the second analog signal parameters, and the touch screen is further used for displaying the preset parameters, the temperature parameters and the second analog signal parameters.
5. The system according to claim 2, wherein the detection unit is configured to detect a temperature parameter of each mold in real time, the detection unit includes a plurality of temperature sensors, each of the temperature sensors is correspondingly connected to each of the temperature controllers, and each of the temperature sensors is configured to detect a variable parameter of a temperature of each mold and feed the variable parameter back to the corresponding temperature controller.
6. The automatic temperature control system according to claim 5, wherein the controlled unit further comprises a plurality of heating plates, each electric control valve is connected to one of the heating plates, each temperature sensor is connected to one of the heating plates, the electric control valve automatically adjusts an opening degree and changes a temperature parameter of the heating plate, and the temperature sensor is used for detecting the temperature parameter of the heating plate in real time.
7. The system according to claim 4, wherein the programmable controller is connected with a communication module and an analog module in an extending manner.
8. The system of claim 7, wherein the programmable controller is coupled to the plurality of thermostats via a first communication interface, and wherein the programmable controller is coupled to the touch screen via a second communication interface.
9. The system of claim 8, wherein the first analog signal parameter is a 4-20mA current signal and the second analog signal parameter is a 4-20mA current signal.
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| CN202022379082.9U CN213867099U (en) | 2020-10-22 | 2020-10-22 | Automatic temperature control system |
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| CN202022379082.9U CN213867099U (en) | 2020-10-22 | 2020-10-22 | Automatic temperature control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278920A (en) * | 2021-12-31 | 2022-04-05 | 珠海格力智能装备有限公司 | Steam heating control method |
| CN114293404A (en) * | 2021-12-31 | 2022-04-08 | 珠海格力智能装备有限公司 | Heating control method for forming die |
| CN114318956A (en) * | 2021-12-31 | 2022-04-12 | 珠海格力智能装备有限公司 | Control structure of molding apparatus, programming method, and non-volatile storage medium |
| CN114518021A (en) * | 2022-02-19 | 2022-05-20 | 江苏凯伦建材股份有限公司 | Automatic temperature adjusting method for tyre base drying |
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2020
- 2020-10-22 CN CN202022379082.9U patent/CN213867099U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278920A (en) * | 2021-12-31 | 2022-04-05 | 珠海格力智能装备有限公司 | Steam heating control method |
| CN114293404A (en) * | 2021-12-31 | 2022-04-08 | 珠海格力智能装备有限公司 | Heating control method for forming die |
| CN114318956A (en) * | 2021-12-31 | 2022-04-12 | 珠海格力智能装备有限公司 | Control structure of molding apparatus, programming method, and non-volatile storage medium |
| CN114293404B (en) * | 2021-12-31 | 2023-10-24 | 珠海格力智能装备有限公司 | Heating control method of forming die |
| CN114278920B (en) * | 2021-12-31 | 2024-01-30 | 珠海格力智能装备有限公司 | Steam heating control method |
| CN114518021A (en) * | 2022-02-19 | 2022-05-20 | 江苏凯伦建材股份有限公司 | Automatic temperature adjusting method for tyre base drying |
| CN114518021B (en) * | 2022-02-19 | 2023-11-03 | 江苏凯伦建材股份有限公司 | Drying and oiling method for tyre base |
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