An automatic control system for hose sizing

Abstract

The application discloses a kind of rubber tube shaping automatic control system, belong to rubber vulcanization equipment technical field.The system includes touch control all-in-one machine and its inside control program unit, control program unit is electrically connected with touch screen, pressure sensor, temperature sensor, proportional regulating valve and zero pressure switch respectively, for realizing formula management, shaping process automatic control, multistage subsection pressure relief and zero pressure switch signal output.System is also integrated with travel switch, limit switch, pressure switch constitutes multiple safety interlocking, and is equipped with automatic point inspection unit, contains sealing detection module, valve position feedback, redundant temperature sensor, liquid level sensor and safety valve test module, can execute start-up rapid self-check and periodic depth point inspection, actively early warning failure.The application solves the problems of traditional shaping tank, such as complicated operation, poor visualization, imperfect safety interlocking and lack of automatic point inspection, and has advantages such as convenient formula switching, process visualization, safety and reliability, data traceability, etc.

Description

Technical Field

[0001] This invention relates to the field of rubber product vulcanization equipment technology, specifically to an automatic control system for rubber hose shaping. Background Technology

[0002] In the production of rubber hoses, the steam setting tank (also known as a vulcanizing tank) is a core piece of equipment. It uses high-temperature, high-pressure saturated steam to cause a cross-linking reaction (vulcanization) of the rubber molecules inside the hose, thereby achieving stable physical and chemical properties. Traditional steam setting tanks typically use a programmable controller combined with a paperless recorder to control the equipment's operation and record process parameters. Operators need to operate the equipment via physical buttons, which has the following drawbacks:

[0003] 1. Cumbersome operation and poor visualization: The button operation interface is not intuitive enough, the process parameter setting and switching steps are cumbersome, and key parameters such as pressure and temperature cannot be displayed in real time in the form of curves, making it difficult for operators to quickly grasp the equipment operating status.

[0004] 2. Inconvenient process formula management: Different specifications of hoses require different shaping parameters. Traditional controllers are difficult to store, recall and modify formulas efficiently. A large number of parameters need to be reset every time the product is changed.

[0005] 3. Safety interlocks rely on manual judgment: Safety conditions such as whether the tank door is closed properly and whether the pressure has been completely released lack automatic detection and interlock control, posing safety hazards.

[0006] 4. Lack of automatic inspection function: Daily inspections rely on manual periodic checks, and items such as sealing, valve status, and sensor accuracy are easily missed or delayed, making it impossible to achieve proactive early warning of equipment health status. Summary of the Invention

[0007] The purpose of this invention is to provide an automatic control system for hose shaping in order to overcome the shortcomings of the prior art.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: an automatic control system for hose shaping, including a touch screen all-in-one machine, wherein the touch screen all-in-one machine is equipped with a control program unit;

[0009] The control program unit is electrically connected to the touch screen, pressure sensor, temperature sensor, proportional control valve, and zero-pressure switch, and is configured as follows:

[0010] Receive and store product formulas written by users through the touch screen, the product formulas including parameters such as setting temperature, setting pressure and segmented pressure relief curve;

[0011] After startup, the pressure and temperature signals inside the tank are collected in real time, and the pressure value, temperature value and real-time pressure curve are displayed synchronously on the touch screen.

[0012] According to the segmented pressure relief curve, after the finalization process is completed, a control command is automatically sent to the proportional regulating valve to execute a multi-stage segmented pressure relief process until the pressure inside the tank drops to zero.

[0013] When the pressure inside the tank is detected to be zero, a zero-pressure switch signal is output, thus completing a single production cycle.

[0014] As a further description of the above technical solution:

[0015] The touch screen all-in-one machine is also equipped with a formula management module, which is used to store the formulas for multiple different specifications of tubing and supports users to add, modify, call and delete formulas through the touch screen.

[0016] The control program unit automatically switches the finalization process parameters according to the currently invoked formula.

[0017] As a further description of the above technical solution:

[0018] The control program unit is connected to the proportional regulating valve through an analog output channel, and adjusts the pressure inside the tank and the pressure relief rate by controlling the opening degree of the proportional regulating valve.

[0019] As a further description of the above technical solution:

[0020] The touch screen all-in-one machine is also equipped with a travel switch, a limit switch and a pressure switch that are electrically connected to the control program unit respectively;

[0021] The limit switch is used to detect the position of the tank door, the limit switch is used to detect the extreme position of the moving parts, and the pressure switch is used to detect the pressure state inside the tank.

[0022] The control program unit is configured to prevent the start of the shaping program or the opening of the tank door when it receives a limit switch indicating that the tank door is not closed properly, or a limit switch is triggered, or a pressure switch indicates that the tank is not completely depressurized.

[0023] As a further description of the above technical solution:

[0024] The control program unit is also connected to a data storage unit and an audible and visual alarm device.

[0025] The data storage unit automatically records the pressure curve, temperature curve, and key events of each production cycle, and supports exporting historical data via USB interface or network port.

[0026] When the pressure or temperature exceeds the set range or a device malfunction occurs, the control program unit outputs an alarm signal to the audible and visual alarm device and generates the corresponding key event.

[0027] As a further description of the above technical solution:

[0028] The touch screen all-in-one machine is also equipped with an automatic inspection unit, which includes at least:

[0029] The tank door sealing test module is configured to fill the tank with test gas and measure the pressure decay rate;

[0030] Valve position feedback sensor, which is used to detect the actual open and closed status of key valves in steam pipelines;

[0031] Redundant temperature sensors are installed in different locations inside the tank to cross-check the consistency of temperature measurements.

[0032] The tank bottom level sensor is used to detect the accumulation of condensate inside the tank;

[0033] The safety valve function test module is configured to automatically pressurize to the safety valve's opening pressure threshold and detect its action when the tank is empty.

[0034] Each component of the automatic inspection unit is electrically connected to the control program unit, which triggers the inspection program and receives the inspection results.

[0035] As a further description of the above technical solution:

[0036] The control program unit is also configured with a point inspection program module, which is configured as follows:

[0037] Before each start of the finalization process, a rapid self-inspection process is automatically executed. The rapid self-inspection process includes at least calling the tank door sealing detection module to perform sealing detection, reading the valve position feedback sensor to check the initial state of the valve, and comparing the consistency of redundant temperature sensors. If any item fails, the process is prohibited from starting and an alarm is issued.

[0038] According to the preset time period or cumulative running time, the deep inspection program is automatically triggered, which includes calling the safety valve function test module, verifying the linearity of the proportional control valve and detecting the working status of the steam trap, and generating an inspection report.

[0039] As a further description of the above technical solution:

[0040] The touch screen all-in-one machine is also equipped with an inspection record database, which is used to store the raw data, judgment results and operation time of each automatic inspection, and supports querying historical inspection records through the touch screen and exporting them to external storage devices;

[0041] When automatic inspection detects a decrease in sealing performance, an excessive deviation in temperature sensor settings, or abnormal operation of the safety valve, the control program unit displays the specific fault location and maintenance suggestions on the touch screen and can send warning information to a remote terminal via the communication interface.

[0042] In summary, due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0043] This invention replaces the traditional button panel and separate recorder with a touch-screen all-in-one machine. Pressure, temperature values, and real-time curves from the process flow are displayed simultaneously on the screen, allowing operators to intuitively grasp the equipment status and improving the visualization and safety of production progress. It supports the storage, retrieval, and modification of standardized formulas for various hose specifications, eliminating the need for repeated parameter input during production changes. The control program unit automatically switches process parameters, significantly improving production efficiency. Through the linkage of limit switches, pressure switches, and the control program unit, multiple safety interlocks are achieved for tank door status, component limit positions, and tank pressure, preventing dangerous operations such as opening doors under pressure. It integrates automatic inspection units for tank door sealing detection, valve status feedback, redundant temperature verification, liquid level monitoring, and safety valve function testing. These units can quickly self-check before each startup and perform in-depth inspections periodically. When abnormalities are detected, they actively alarm and display the fault location, enabling preventative maintenance and eliminating manual inspection processes, reducing labor costs and improving the accuracy of inspection results. It automatically records pressure curves, temperature curves, and key events for each production cycle, supporting historical data export for convenient quality analysis and equipment management. Attached Figure Description

[0044] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0045] Figure 1 This is a system module structure block diagram of an automatic control system for hose shaping. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0047] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0048] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0049] In the description of the embodiments of the present invention, it should be noted that the terms "upper" and "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0050] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0051] Please see Figure 1 The present invention provides a technical solution: an automatic control system for hose shaping, including a touch screen all-in-one machine, the touch screen all-in-one machine being equipped with a control program unit;

[0052] The control program unit is electrically connected to the touch screen, pressure sensor, temperature sensor, proportional control valve, and zero-pressure switch, and is configured as follows:

[0053] Receive and store product formulas written by users via touch screen. The product formulas include parameters such as setting temperature, setting pressure, and segmented pressure relief curve.

[0054] After startup, the pressure and temperature signals inside the tank are collected in real time and the pressure value, temperature value and real-time pressure curve are displayed synchronously on the touch screen.

[0055] Based on the segmented pressure relief curve, after the finalization process is completed, a control command is automatically sent to the proportional regulating valve to execute a multi-stage segmented pressure relief process until the pressure inside the tank drops to zero.

[0056] When the pressure inside the tank is detected to be zero, a zero-pressure switch signal is output, thus completing a single production cycle.

[0057] The system uses a touch screen all-in-one machine to replace the traditional button panel and separate recorder. Pressure, temperature values ​​and real-time curves in the process flow are displayed on the same screen, allowing operators to intuitively grasp the equipment status and improve the visibility and safety of production progress.

[0058] Specifically, the system mainly includes an industrial-grade touch screen all-in-one machine (with built-in control program unit), a pressure sensor installed inside the tank (range 0-2.5MPa, accuracy 0.5 grade) and a dual-redundant temperature sensor (Pt100 RTD), a proportional regulating valve on the steam inlet pipe (4-20mA analog control), a zero-pressure switch on the tank exhaust pipe (set value 0.01MPa), a limit switch at the tank door, a limit switch on the motion guide rail, a pressure switch on the tank (set value 0.1MPa), a capacitive liquid level sensor at the bottom of the tank, and an audible and visual alarm light.

[0059] The touchscreen all-in-one machine is also equipped with a formula management module, which stores the finalized formulas for multiple hose specifications and allows users to add, modify, recall, and delete formulas via the touchscreen. The control program unit automatically switches the finalized process parameters based on the currently recalled formula. This system supports the storage, recall, and modification of finalized formulas for various hose specifications. During production changes, there is no need to repeatedly input parameters; the control program unit automatically switches process parameters, significantly improving production efficiency.

[0060] The control program unit is connected to the proportional control valve through an analog output channel. By controlling the opening degree of the proportional control valve, the pressure inside the tank and the pressure relief rate are adjusted.

[0061] The touch screen all-in-one machine is also equipped with limit switches, pressure switches and travel switches that are electrically connected to the control program unit.

[0062] Among them, the limit switch is used to detect the position of the tank door, the limit switch is used to detect the extreme position of the moving parts, and the pressure switch is used to detect the pressure state inside the tank.

[0063] The control program unit is configured to prevent the start of the shaping program or the opening of the tank door when it receives a limit switch indication that the tank door is not fully closed, a limit switch triggering, or a pressure switch indicating that the tank is not completely depressurized. Through the linkage of the limit switches, pressure switches, and control program unit, multiple safety interlocks are achieved for the tank door status, component limit positions, and tank pressure, preventing dangerous operations such as opening the door under pressure.

[0064] The operating principle of the above module unit is as follows: The operator selects or creates a product formula through the formula management interface on the touchscreen, inputting the setting temperature (e.g., 180℃), setting pressure (e.g., 1.0MPa), and segmented pressure relief curve (e.g., three segments: the first segment reduces pressure from 1.0MPa to 0.6MPa within 5 minutes, the second segment reduces pressure from 0.6MPa to 0.2MPa within 3 minutes, and the third segment reduces pressure from 0.2MPa to 0MPa within 2 minutes). After saving the formula, the tubing to be set is placed into the tank, and the tank door is closed. Once the limit switch detects that the tank door is fully closed, the operator clicks the "Start" button.

[0065] Specifically, the control unit opens the proportional regulating valve and introduces saturated steam at a set rate, while simultaneously acquiring signals from the pressure and temperature sensors in real time, displaying them as numerical values ​​and curves on the touchscreen. Once the pressure reaches 1.0 MPa and the temperature reaches 180°C, the control unit enters the heat preservation and pressure maintenance phase, maintaining the temperature for a set time (e.g., 30 minutes).

[0066] After the heat preservation and pressure holding are completed, the control program unit sends control commands to the proportional regulating valve at different opening degrees according to the segmented pressure relief curve, so that the pressure inside the tank decreases at a predetermined rate. During the pressure relief process, the pressure curve is updated synchronously in real time. When the pressure inside the tank drops to the set value of the zero pressure switch (0.01MPa), the zero pressure switch outputs a signal, the control program unit determines that the production cycle is complete, and displays "Cycle completed, door can be opened" on the touch screen.

[0067] In addition, before starting the finalization process, the control program unit must simultaneously detect: the limit switch indicates that the tank door is fully closed, the limit switch is not triggered (indicating that the moving parts are in a safe position), and the pressure switch indicates that the tank is completely depressurized (the residual pressure from the previous cycle is less than 0.1 MPa). If any condition is not met, startup is prohibited, and the specific reason is displayed.

[0068] During the molding process, if the pressure or temperature exceeds the set upper limit (e.g., pressure exceeds 1.2MPa), the control program unit immediately closes the proportional regulating valve and opens the exhaust valve, while triggering an audible and visual alarm.

[0069] After the production cycle ends, the control program unit is only allowed to output the "door open" signal when it receives a zero pressure switch signal (pressure ≈ 0) and the pressure switch also indicates low pressure; otherwise, the tank door cannot be opened even if the operator presses the door open button.

[0070] The control program unit is also connected to a data storage unit and an audible and visual alarm device;

[0071] The data storage unit automatically records the pressure curve, temperature curve, and key events for each production cycle, and supports exporting historical data via USB interface or network port.

[0072] When the pressure or temperature exceeds the set range or a equipment malfunction occurs, the control program unit outputs an alarm signal to the audible and visual alarm device and generates a corresponding critical event.

[0073] The system can automatically record the pressure curve, temperature curve, and key events of each production cycle, and supports the export of historical data, which facilitates quality analysis and equipment management.

[0074] The touch screen all-in-one machine is also equipped with an automatic inspection unit, which includes at least:

[0075] The tank door sealing test module is configured to fill the tank with test gas and measure the pressure decay rate;

[0076] Valve position feedback sensor, which is used to detect the actual open and closed status of key valves in steam pipelines;

[0077] Redundant temperature sensors are installed in different locations inside the tank to cross-check the consistency of temperature measurements.

[0078] The tank bottom level sensor is used to detect the accumulation of condensate inside the tank;

[0079] The safety valve function test module is configured to automatically pressurize to the safety valve's opening pressure threshold and detect its action when the tank is empty.

[0080] Each component of the automatic inspection unit is electrically connected to the control program unit, which triggers the inspection program and receives the inspection results.

[0081] The control program unit is also equipped with an inspection program module, which is configured as follows:

[0082] Before each start of the finalization process, a rapid self-inspection process is automatically executed. The rapid self-inspection process includes at least calling the tank door sealing detection module to perform sealing detection, reading the valve position feedback sensor to check the initial state of the valve, and comparing the consistency of redundant temperature sensors. If any item fails, the process is prohibited from starting and an alarm is issued.

[0083] According to the preset time period or cumulative running time, the deep inspection program is automatically triggered, which includes calling the safety valve function test module, verifying the linearity of the proportional control valve and detecting the working status of the steam trap, and generating an inspection report.

[0084] Before the hose finalization production, the control program unit first performs a rapid self-test: 0.2 MPa compressed air is introduced into the can through the can door sealing detection module, the air inlet valve is closed, and the pressure decay rate is monitored within 60 seconds. If the pressure drop is ≤0.005 MPa, the seal is qualified; simultaneously, the valve position feedback sensor is read to confirm that all valves are in the initial closed state; the readings of the two redundant temperature sensors are compared, and the deviation should be within ±2℃. After all rapid self-tests pass, the system enters the finalization process.

[0085] This system integrates automatic inspection units such as tank door sealing detection, valve status feedback, redundant temperature verification, liquid level monitoring, and safety valve function testing. It can quickly perform self-checks before each startup and perform in-depth inspections on a periodic basis. When an abnormality is detected, it will actively alarm and display the fault location, realizing preventive maintenance, eliminating the manual inspection process, reducing labor costs, and improving the accuracy of inspection results.

[0086] The touch screen all-in-one machine is also equipped with an inspection record database, which stores the raw data, judgment results and operation time of each automatic inspection, and supports querying historical inspection records through the touch screen and exporting them to external storage devices;

[0087] When automatic inspection detects a decrease in sealing performance, excessive temperature sensor deviation, or abnormal operation of the safety valve, the control program unit displays the specific fault location and maintenance suggestions on the touch screen, and can send warning information to the remote terminal through the communication interface.

[0088] The results of the quick self-test before each startup are automatically saved to the inspection record database. If the pressure drop during the sealing test exceeds the standard, the control program unit will display a message on the touch screen saying "The tank door sealing is unqualified, please check the sealing ring" and prevent startup.

[0089] For example, when the equipment is idle every morning, the control program unit automatically triggers a deep inspection program: First, the residual gas in the tank is purged, the exhaust valve is closed, and the steam inlet valve is slowly opened to raise the pressure in the tank to the safety valve's tripping pressure threshold (e.g., 1.1 times the working pressure). The system observes whether the safety valve trips and releases pressure under the specified pressure and records the actual tripping pressure value. If it does not trip or the deviation exceeds ±0.05MPa, an alarm is triggered. Then, the linearity of the proportional control valve is checked: opening commands of 0%, 25%, 50%, 75%, and 100% are sent sequentially. The actual opening deviation is verified through the valve position feedback sensor or pressure change rate. If the deviation exceeds ±5%, a calibration prompt is triggered. The working status of the steam trap is monitored: after a small amount of steam is introduced, the temperature of the pipeline after the steam trap is monitored. If the temperature is below 100℃, it indicates that the steam trap is blocked; if the temperature is close to the steam temperature, it indicates a short circuit. An alarm is triggered in both cases.

[0090] All inspection data is automatically stored and can be exported via USB interface. When a gradual decline in sealing performance is detected (increased pressure drop after multiple rapid self-tests) or when sensor deviation exceeds limits, the control program unit sends a warning message to the administrator's mobile phone via 4G / Ethernet communication interface, prompting maintenance to be arranged.

[0091] This system can also be expanded with remote monitoring capabilities. The network port of the touch screen all-in-one machine connects to the workshop's local area network, and the central control room computer can read real-time data, historical curves, and inspection reports from the control program unit via the OPC protocol. When the control program unit generates an alarm event, it simultaneously sends an alarm code to the central control room for centralized management.

[0092] The automatic hose shaping control system provided in this embodiment can be directly applied to the automation retrofitting of existing steam shaping tanks or the integration of new equipment. The installation of the touch-screen all-in-one machine and its matching sensors requires no changes to the main structure of the tank, and the control program unit can flexibly adapt to valves and actuators of different specifications. Actual production verification has shown that this system reduces operator parameter setting time by 50%, improves process consistency to over 99%, and reduces the inspection omission rate to zero, demonstrating significant industrial practical value and economic benefits.

[0093] In summary, due to the adoption of the above technical solutions, the automatic hose shaping control system of this embodiment has the following advantages compared with the prior art:

[0094] This invention replaces the traditional button panel and separate recorder with a touch-screen all-in-one machine. Pressure, temperature values, and real-time curves from the process flow are displayed simultaneously on the screen, allowing operators to intuitively grasp the equipment status and improving the visualization and safety of production progress. It supports the storage, retrieval, and modification of standardized formulas for various hose specifications, eliminating the need for repeated parameter input during production changes. The control program unit automatically switches process parameters, significantly improving production efficiency. Through the linkage of limit switches, pressure switches, and the control program unit, multiple safety interlocks are achieved for tank door status, component limit positions, and tank pressure, preventing dangerous operations such as opening doors under pressure. It integrates automatic inspection units for tank door sealing detection, valve status feedback, redundant temperature verification, liquid level monitoring, and safety valve function testing. These units can quickly self-check before each startup and perform in-depth inspections periodically. When abnormalities are detected, they actively alarm and display the fault location, enabling preventative maintenance and eliminating manual inspection processes, reducing labor costs and improving the accuracy of inspection results. It automatically records pressure curves, temperature curves, and key events for each production cycle, supporting historical data export for convenient quality analysis and equipment management.

[0095] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An automatic control system for hose shaping, characterized in that, The device includes a touch screen all-in-one machine, which is equipped with a control program unit; The control program unit is electrically connected to the touch screen, pressure sensor, temperature sensor, proportional control valve, and zero-pressure switch, and is configured as follows: Receive and store product formulas written by users through the touch screen, the product formulas including parameters such as setting temperature, setting pressure and segmented pressure relief curve; After startup, the pressure and temperature signals inside the tank are collected in real time, and the pressure value, temperature value and real-time pressure curve are displayed synchronously on the touch screen. According to the segmented pressure relief curve, after the finalization process is completed, a control command is automatically sent to the proportional regulating valve to execute a multi-stage segmented pressure relief process until the pressure inside the tank drops to zero. When the pressure inside the tank is detected to be zero, a zero-pressure switch signal is output, thus completing a single production cycle.

2. The automatic control system for hose shaping according to claim 1, characterized in that, The touch screen all-in-one machine is also equipped with a formula management module, which is used to store the formulas for multiple different specifications of tubing and supports users to add, modify, call and delete formulas through the touch screen. The control program unit automatically switches the finalization process parameters according to the currently invoked formula.

3. The automatic control system for hose shaping according to claim 1, characterized in that, The control program unit is connected to the proportional regulating valve through an analog output channel, and adjusts the pressure inside the tank and the pressure relief rate by controlling the opening degree of the proportional regulating valve.

4. The automatic control system for hose shaping according to claim 1, characterized in that, The touch screen all-in-one machine is also equipped with a travel switch, a limit switch and a pressure switch that are electrically connected to the control program unit respectively; The limit switch is used to detect the position of the tank door, the limit switch is used to detect the extreme position of the moving parts, and the pressure switch is used to detect the pressure state inside the tank. The control program unit is configured to prevent the start of the shaping program or the opening of the tank door when it receives a limit switch indicating that the tank door is not closed properly, or a limit switch is triggered, or a pressure switch indicates that the tank is not completely depressurized.

5. The automatic control system for hose shaping according to claim 1, characterized in that, The control program unit is also connected to a data storage unit and an audible and visual alarm device. The data storage unit automatically records the pressure curve, temperature curve, and key events of each production cycle, and supports exporting historical data via USB interface or network port. When the pressure or temperature exceeds the set range or a device malfunction occurs, the control program unit outputs an alarm signal to the audible and visual alarm device and generates the corresponding key event.

6. The automatic control system for hose shaping according to claim 1, characterized in that, The touch screen all-in-one machine is also equipped with an automatic inspection unit, which includes at least: The tank door sealing test module is configured to fill the tank with test gas and measure the pressure decay rate; Valve position feedback sensor, which is used to detect the actual open and closed status of key valves in steam pipelines; Redundant temperature sensors are installed in different locations inside the tank to cross-check the consistency of temperature measurements. The tank bottom level sensor is used to detect the accumulation of condensate inside the tank; The safety valve function test module is configured to automatically pressurize to the safety valve's opening pressure threshold and detect its action when the tank is empty. Each component of the automatic inspection unit is electrically connected to the control program unit, which triggers the inspection program and receives the inspection results.

7. The automatic control system for hose shaping according to claim 6, characterized in that, The control program unit is also configured with a point inspection program module, which is configured as follows: Before each start of the finalization process, a rapid self-inspection process is automatically executed. The rapid self-inspection process includes at least calling the tank door sealing detection module to perform sealing detection, reading the valve position feedback sensor to check the initial state of the valve, and comparing the consistency of redundant temperature sensors. If any item fails, the process is prohibited from starting and an alarm is issued. According to the preset time period or cumulative running time, the deep inspection program is automatically triggered, which includes calling the safety valve function test module, verifying the linearity of the proportional control valve and detecting the working status of the steam trap, and generating an inspection report.

8. The automatic control system for hose shaping according to claim 6, characterized in that, The touch screen all-in-one machine is also equipped with an inspection record database, which is used to store the raw data, judgment results and operation time of each automatic inspection, and supports querying historical inspection records through the touch screen and exporting them to external storage devices; When automatic inspection detects a decrease in sealing performance, an excessive deviation in temperature sensor settings, or abnormal operation of the safety valve, the control program unit displays the specific fault location and maintenance suggestions on the touch screen and can send warning information to a remote terminal via the communication interface.

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