Sensing device based on film rolling equipment and unconscious connecting rod emergency stop device

By installing a moving rod and pressure sensor that span the working area on the film rolling equipment, combined with an unintentional linkage emergency stop device, the problem of the lack of sensing and isolation functions in the film rolling equipment is solved, thereby improving safety and automation.

CN223790727UActive Publication Date: 2026-01-13CHENGDU HONGMING & UESTC NEW MATERIALS
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Patent Information

Application Number
CN202520404200.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-13
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Traditional rolling mill equipment lacks effective sensing and isolation functions, which means that operators cannot detect accidents or misoperations in time, increasing the risk of accidents.

Method used

Design a sensing device based on a film rolling equipment. By setting a moving rod across the working area, using elastic support and pressure sensors to detect personnel contact, and combining it with an unintentional linkage emergency stop device, achieve automated and intelligent safety protection.

Benefits of technology

It improves the safety of the rolling mill equipment, reduces the risk of operator injury, and achieves safe isolation and automated control of equipment operation by timely detecting personnel accidentally entering the work area and quickly stopping the rolling mill power system.

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Abstract

The utility model discloses an induction device and an unconscious connecting rod emergency stop device based on film rolling equipment, and relates to the field of auxiliary devices of the film rolling equipment, and the induction device and the unconscious connecting rod emergency stop device comprise a supporting mechanism which comprises at least one elastic supporting piece; the moving rod is installed above the supporting mechanism, one end of the moving rod is located on one side of the working area of the film rolling equipment, and the other end of the moving rod is located on the other side of the working area of the film rolling equipment; the pressure sensor is located below the moving rod and used for detecting the downward pressure of the moving rod, and the pressure sensor is used for being connected with an external response mechanism. According to the utility model, the moving rod which stretches across the working area is arranged, the moving rod is arranged in the supporting mechanism and is allowed to elastically and vertically move, the pressure sensor is used for detecting the downward pressure of the moving rod, and the pressure sensor is connected with the external response mechanism, so that the purposes of improving the sensing sensitivity and safe isolation are achieved.
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Description

Technical Field

[0001] This utility model relates to the field of auxiliary devices for film rolling equipment, specifically to a sensing device and an unintentional linkage emergency stop device based on film rolling equipment. Background Technology

[0002] In the capacitor industry, rolling mills are primarily used to produce green film strips—a key material for ceramic capacitors. Ceramic capacitors use ceramic materials as the dielectric and possess advantages such as small size, light weight, high insulation resistance, and good stability, making them widely used in electronic circuits, communications, computers, aerospace, and many other fields. Rolling mills, through precise control of rolling force and speed, roll raw materials such as ceramic slurry into green film strips of uniform thickness, laying the foundation for green film formation and subsequent processing, ensuring the high performance and consistency of ceramic capacitors. With the continuous development of electronic technology, the demand for high-performance ceramic capacitors continues to grow, and the market demand for rolling mills is correspondingly increasing. For example, some companies specializing in the production of high-end electronic components have a strong demand for high-quality green film strips for their high-performance ceramic capacitor production lines, highlighting the importance of rolling mills in the industry.

[0003] Because the working area of ​​rolling mill equipment usually has high pressure and speed, operators are prone to injury due to misoperation or accidental contact during equipment operation. Traditional rolling mill equipment has shortcomings in safety, low degree of automation, and lack of effective sensing and isolation functions. Once personnel accidentally enter the working area, the equipment cannot detect it in time, which increases the risk of accidents.

[0004] In view of the above, this application is hereby submitted. Utility Model Content

[0005] The purpose of this invention is to provide a sensing device based on a film rolling equipment. By setting a moving rod that spans the working area and placing the moving rod within a support mechanism to allow it to move elastically vertically, a pressure sensor is used to detect the downward pressure of the moving rod. The pressure sensor is then connected to an external response mechanism to solve the problem that traditional film rolling equipment lacks effective sensing and isolation functions.

[0006] This utility model embodiment is achieved through the following technical solution: This utility model embodiment provides a sensing device based on a film rolling equipment, including:

[0007] The support mechanism includes at least one elastic support element;

[0008] A movable rod is installed above the support mechanism, with one end of the movable rod located on one side of the working area of ​​the rolling mill and the other end located on the other side of the working area of ​​the rolling mill.

[0009] A pressure sensor, located below the moving rod, is used to detect the downward pressure on the moving rod. The pressure sensor is used to connect to an external response mechanism.

[0010] The movable rod is configured to come into contact with the hands of nearby personnel when they accidentally enter the working area of ​​the rolling mill, and the hands of the nearby personnel can cause the movable rod to move elastically downward in the support mechanism.

[0011] Optionally, the movable rod includes a horizontal bar, a first vertical bar, and a second vertical bar, both of which are perpendicularly connected to the horizontal bar;

[0012] The support mechanism includes a first elastic support and a second elastic support. The first elastic support is located on one side of the working area of ​​the rolling mill, and the second elastic support is located on the other side of the working area of ​​the rolling mill.

[0013] The first vertical rod is connected to the first elastic support, and the second vertical rod is connected to the second elastic support;

[0014] The first vertical rod can move elastically vertically within the first elastic support, and the second vertical rod can move elastically vertically within the second elastic support.

[0015] Optionally, a single elastic support includes a spring seat and a spring, with the spring seat mounted on the rolling mill and the spring mounted inside the spring seat.

[0016] Optionally, the spring seat is connected to the rolling mill by at least one bolt.

[0017] Optionally, the crossbar is set parallel or perpendicular to the horizontal axis of the working area of ​​the rolling mill.

[0018] Optionally, when the first and second vertical bars are moved to their lowest vertical positions, there is a gap between the crossbar and the working area of ​​the rolling mill in the vertical direction.

[0019] To better address the aforementioned issues, this utility model also provides an unintentional linkage emergency stop device, comprising a controller, a signal transmission system, and the aforementioned sensing device based on the rolling mill equipment. Both the controller and the signal transmission system are connected to a pressure sensor. The controller is connected to the signal transmission system, and the output end of the signal transmission system is connected to the rolling mill power system of the rolling mill equipment. The controller is configured to control the rolling mill power system of the rolling mill equipment to stop abruptly based on the signal from the pressure sensor.

[0020] Optionally, it also includes an alarm device installed on the rolling mill, with the output of the signal transmission system connected to the alarm device, and the controller configured to control the alarm device to respond based on the signal from the pressure sensor.

[0021] Optionally, the alarm device includes an audible alarm and a visual alarm.

[0022] Optionally, the light alarm may include LED lights or flashing signal lights.

[0023] Compared with the prior art, the embodiments of this utility model have the following advantages and beneficial effects:

[0024] 1. The sensing device based on a film rolling equipment provided in this embodiment of the utility model has a movable rod installed above a support mechanism and connected by an elastic support member to ensure that the movable rod can move elastically in the vertical direction. A pressure sensor is installed below the movable rod and in direct contact with it to detect pressure changes in the movable rod. The pressure sensor is connected to an external response mechanism to ensure that the signal can be transmitted quickly. For example, when the rolling mill power system of the film rolling equipment is in normal working condition, the movable rod remains in a horizontal position under the elastic support of the support mechanism, and the pressure detected by the pressure sensor is zero or close to zero. When a person's hand accidentally enters the working area of ​​the film rolling equipment and touches the movable rod, the movable rod is subjected to an external force and moves downward. When the movable rod moves downward, the pressure sensor detects the pressure change and transmits the signal to the external response mechanism. This utility model embodiment ensures the reliability and stability of the sensing device through the cooperation of elastic support and pressure sensor. By connecting the sensing device with an external response mechanism, it realizes automated and intelligent safety protection, improves the overall operating efficiency of the equipment, and enhances the safety of the rolling mill by timely detecting personnel accidentally entering the work area, thereby reducing the risk of injury to operators. At the same time, the moving rod of this utility model embodiment, which spans the work area, also has the effect of isolating surrounding personnel from the working area of ​​the rolling mill.

[0025] 2. The unintentional linkage emergency stop device provided in this embodiment of the utility model uses a pressure sensor connected to a controller via a signal transmission system to ensure rapid signal transmission. The controller receives the signal from the pressure sensor through the signal transmission system and sends control commands to the roll power system. The output of the signal transmission system is connected to the roll power system of the film rolling equipment to control the stopping of the rolls. When the roll power system of the film rolling equipment is in normal working condition, the moving rod remains in a horizontal position, the pressure detected by the pressure sensor is zero or close to zero, and the controller is in standby mode. When a person's hand accidentally enters the working area of ​​the film rolling equipment and touches the moving rod, the moving rod moves downward under the elastic action of the support mechanism. The pressure sensor detects the pressure change of the moving rod and transmits the signal to the controller through the signal transmission system. After receiving the signal, the controller quickly sends a command to the roll power system, causing the roll power system to stop abruptly. This device, through the cooperation of the sensing device and the controller, can quickly stop the film rolling equipment when a person accidentally enters a dangerous area, effectively preventing operator injury, realizing automated and intelligent safety protection, and improving the overall operating efficiency of the equipment.

[0026] In general, the sensing device based on the rolling mill provided by the embodiments of this utility model improves sensing sensitivity and safety isolation by setting a moving rod that spans the working area, placing the moving rod in a support mechanism to allow it to move elastically vertically, using a pressure sensor to detect the downward pressure of the moving rod, and connecting the pressure sensor to an external response mechanism. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model 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.

[0028] Figure 1 The sensing device based on the rolling mill provided in this embodiment of the utility model;

[0029] Figure 2 A schematic diagram of the movable rod structure provided in an embodiment of this utility model.

[0030] The attached diagram shows the markings and corresponding component names:

[0031] 1-Moving rod, 2-Dip rolling equipment, 3-Pressure sensor, 4-Horizontal bar, 5-First vertical bar, 6-Second vertical bar, 7-First elastic support, 8-Second elastic support, 9-Alarm device, 10-Limit block. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present 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 present invention without inventive effort are within the scope of protection of the present invention.

[0034] 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.

[0035] In the description of this utility model, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0036] Example

[0037] Example 1

[0038] like Figure 1 As shown, this utility model embodiment provides a sensing device based on a film rolling equipment, including a support mechanism, a moving rod 1, and a pressure sensor 3. The support mechanism includes at least one elastic support member, which contains an elastic structure such as a spring or an elastic rubber pad. In a preferred embodiment, a single elastic support member includes a spring seat and a spring. The spring seat is mounted on the film rolling equipment 2, and the spring is installed inside the spring seat. The spring seat and the film rolling equipment 2 are connected by at least one bolt.

[0039] The movable rod 1 is installed above the support mechanism. The elastic support can buffer the pressure on the movable rod 1, allowing it to move elastically in the vertical direction. One end of the movable rod 1 is located on one side of the working area of ​​the rolling mill 2, and the other end is located on the other side of the working area of ​​the rolling mill 2. That is, the movable rod 1 spans the entire working area, ensuring that it can cover the entire potentially dangerous area. The movable rod 1 is used to detect whether a person's hand has accidentally entered the working area of ​​the rolling mill 2. When a person's hand touches the movable rod 1, the movable rod 1 will move downward under the elastic action of the support mechanism. The pressure sensor 3 is located below the movable rod 1 and is used to detect the downward pressure of the movable rod 1. The pressure sensor 3 is used to connect to the external response mechanism. When the movable rod 1 moves downward due to contact with a person's hand, the pressure sensor 3 can sense the pressure change and transmit the signal to the external response mechanism. The pressure sensor 3 is in direct contact with the movable rod 1, ensuring that the pressure change of the movable rod 1 can be accurately detected.

[0040] It should be noted that the external response mechanism is not limited here; existing response devices can be used, including the rolling mill power system of the rolling mill equipment 2, alarm speakers, alarm lights, etc. The specific configuration can be determined based on actual needs. The number of elastic support components is also not limited here; one, two, three, etc., can be set, depending on actual requirements. Generally, the more components, the stronger the support stability. Furthermore, the width and structure of the crossbar 4 are not limited here; it can be a cylindrical, prismatic, or other straight bar shape, or a curved bar shape. The crossbar 4 can even be a plate-like structure, depending on actual needs.

[0041] In this embodiment of the utility model, the cooperation between the elastic support and the pressure sensor 3 ensures the reliability and stability of the sensing device. By timely detecting personnel accidentally entering the work area, the safety of the rolling mill 2 is improved, and the risk of injury to the operator is reduced. Connecting the sensing device to the external response mechanism realizes automated and intelligent safety protection, improves the overall operating efficiency of the equipment, and by setting the moving rod 1 across the work area, it has the effect of isolating surrounding personnel from the working area of ​​the rolling mill 2, thereby improving the safety of the rolling mill 2.

[0042] For example, such as Figure 2 As shown, the movable rod 1 is configured to include a horizontal rod 4, a first vertical rod 5, and a second vertical rod 6, both of which are perpendicularly connected to the horizontal rod 4. The support mechanism is configured to include a first elastic support 7 and a second elastic support 8, with the first elastic support 7 located on one side of the working area of ​​the rolling mill 2 and the second elastic support 8 located on the other side of the working area of ​​the rolling mill 2. The first vertical rod 5 is connected to the first elastic support 7, and the second vertical rod 6 is connected to the second elastic support 8. The first vertical rod 5 can move elastically vertically within the first elastic support 7, and the second vertical rod 6 can move elastically vertically within the second elastic support 8.

[0043] Specifically, the crossbar 4 spans the working area of ​​the rolling mill 2 and is used to detect whether a person's hand has accidentally entered the working area. It is installed between the first vertical bar 5 and the second vertical bar 6 to ensure that it can cover the entire working area. The first vertical bar 5 and the second vertical bar 6 are used to connect the crossbar 4 to the support mechanism, transmitting the pressure on the crossbar 4 to the elastic support. The first vertical bar 5 and the second vertical bar 6 are located on both sides of the working area of ​​the rolling mill 2, respectively, and are vertically connected to the crossbar 4 to ensure the stability of the crossbar 4. The first elastic support 7 and the second elastic support 8 provide elastic support, allowing the vertical bar to move elastically in the vertical direction. The pressure sensor 3 is installed below the crossbar 4, in direct contact with the crossbar 4, to detect the downward pressure change of the crossbar 4.

[0044] Preferably, the crossbar 4 is arranged parallel or perpendicular to the horizontal axis of the working area of ​​the film rolling equipment 2. When the crossbar 4 is parallel to the horizontal axis of the working area of ​​the film rolling equipment 2, the crossbar 4 can cover the entire width direction of the working area of ​​the film rolling equipment 2. This structure is more suitable for situations where the width of the film rolling equipment 2 is large and the operator may approach the equipment from the side. When the crossbar 4 is perpendicular to the horizontal axis of the working area of ​​the film rolling equipment 2, the crossbar 4 can cover the entire length direction of the film rolling equipment 2. This structure is more suitable for situations where the film rolling equipment 2 is long and the operator may approach the equipment from both ends. Of course, in other embodiments, the crossbar 4 can also be configured to be inclined to the horizontal axis of the working area of ​​the film rolling equipment 2.

[0045] More preferably, when the first vertical bar 5 and the second vertical bar 6 are moved to their lowest vertical position, there is a gap in the vertical direction between the horizontal bar 4 and the working area of ​​the film rolling equipment 2. Specifically, the movable bar 1 spans the working area of ​​the film rolling equipment 2, forming a physical barrier that isolates surrounding personnel from the working area of ​​the film rolling equipment 2. Even if personnel accidentally enter the vicinity of the equipment, the horizontal bar 4 can prevent them from directly contacting the high-speed rotating rollers or other dangerous parts, thereby effectively preventing accidents. When the first vertical bar 5 and the second vertical bar 6 are moved to their lowest vertical position, the gap in the vertical direction between the horizontal bar 4 and the working area of ​​the film rolling equipment 2 ensures that the horizontal bar 4 will not interfere with the operating parts of the film rolling equipment 2 when it moves downward, avoiding damage to the horizontal bar 4 or the operating parts of the film rolling equipment 2. The gap setting can also reduce the harm to surrounding personnel caused by the operating parts of the film rolling equipment 2.

[0046] Example 2

[0047] This utility model embodiment provides a sensing device based on a film rolling equipment, such as... Figure 2 As shown, the difference from Embodiment 1 is that a limiting block 10 is provided on the first vertical rod 5 and / or the second vertical rod 6. The limiting block 10 can more accurately ensure the gap height between the first vertical rod 5 and / or the second vertical rod 6 and the working area of ​​the rolling mill 2 when the first vertical rod 5 and / or the second vertical rod 6 are moved to the lowest position. This gap height is the distance from the bottom of the limiting block 10 to the top of the first vertical rod 5 and / or the second vertical rod 6. The specific gap height can be set according to actual needs. Exemplarily, the first elastic support member 7 and / or the second elastic support member 8 are both provided with a cavity with an open top, and a spring is provided in the cavity. The first vertical rod 5 and the second vertical rod 6 are respectively movably inserted into the cavity of the first elastic support member 7 and the second elastic support member 8, and cooperate with the spring inside. When the horizontal bar 4 is not subjected to pressure from the hands of surrounding personnel, there are gaps between the bottom of the first vertical bar 5 and the second vertical bar 6 and the bottom of the first elastic support 7 and the second elastic support 8, respectively. When the horizontal bar 4 is subjected to pressure from the hands of surrounding personnel, the first vertical bar 5 and the second vertical bar 6 move downward in the cavities of the first elastic support 7 and the second elastic support 8, respectively. At this time, the diameter of the limiting block 10 can be set to be larger than the diameter of the cavity. In this way, when the first vertical bar 5 and the second vertical bar 6 move to the lowest position, the bottom of the limiting block 10 contacts the top of the cavity of the corresponding elastic support, so as to play a limiting role.

[0048] Example 3

[0049] This utility model provides an unintentional linkage emergency stop device, including a controller, a signal transmission system, and a sensing device based on a film rolling equipment as described in Embodiment 1 or Embodiment 2. Both the controller and the signal transmission system are connected to a pressure sensor 3. The controller is connected to the signal transmission system, and the output end of the signal transmission system is connected to the roll power system of the film rolling equipment 2. The controller is configured to control the roll power system of the film rolling equipment 2 to stop abruptly based on the signal from the pressure sensor 3.

[0050] Specifically, the controller receives signals from the pressure sensor 3 and, based on these signals, controls the roll power system of the film rolling equipment 2 to abruptly stop. The signal transmission system quickly and accurately transmits the pressure signal detected by the pressure sensor 3 to the controller and then transmits the controller's instructions to the roll power system. When the controller's roll power system is in normal operating condition, the moving rod 1 remains horizontal, the pressure detected by the pressure sensor 3 is zero or close to zero, and the controller is in standby mode. When a person's hand accidentally enters the working area of ​​the film rolling equipment 2 and touches the moving rod 1, the moving rod 1 moves downward under the elastic action of the support mechanism. The pressure sensor 3 detects the pressure change in the moving rod 1 and transmits the signal to the controller through the signal transmission system. Upon receiving the signal, the controller quickly sends an instruction to the roll power system, causing the roll power system to abruptly stop. It should be noted that the controller and signal transmission system can be implemented using existing technology, and will not be elaborated further here.

[0051] For example, during installation, the first elastic support 7 and the second elastic support 8 can be placed in predetermined positions and securely fixed to the safe area of ​​the rolling mill 2 using bolts or other fasteners. The spring axis direction in the elastic support is consistent with the movement direction of the moving rod 1. When the spring is installed in the spring seat, the preload of the spring can be adjusted as needed to ensure that the moving rod 1 can maintain a stable posture when not subjected to external force. The unintentional linkage emergency stop device can also be equipped with an alarm device 9 installed on the rolling mill 2. The output end of the signal transmission system is connected to the alarm device 9. The controller is also set to control the alarm device 9 to respond according to the signal of the pressure sensor 3. The light alarm can include LED lights or flashing signal lights to ensure that an alarm sound and a flashing signal are emitted immediately when the emergency stop signal is activated. That is, when the pressure detected by the pressure sensor 3 exceeds the predetermined threshold, the controller will quickly generate a trigger signal and quickly transmit it to the power system of the roll to stop it suddenly. At the same time, it will also transmit the trigger signal to the alarm device 9. The sound alarm emits a high-decibel alarm sound, and the light alarm emits a conspicuous flashing signal to attract the attention of the operator and surrounding personnel.

[0052] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model. It should be noted that the structures or components illustrated in the accompanying drawings are not necessarily drawn to scale, and descriptions of well-known components, processing techniques, and processes are omitted to avoid unnecessarily limiting the utility model.

Claims

1. A sensing device based on a film rolling equipment, characterized in that, include: The support mechanism includes at least one elastic support member; A movable rod (1) is installed above the support mechanism. One end of the movable rod (1) is located on one side of the working area of ​​the rolling mill (2), and the other end is located on the other side of the working area of ​​the rolling mill (2). A pressure sensor (3) is located below the moving rod (1) and is used to detect the downward pressure of the moving rod (1). The pressure sensor (3) is used to connect to an external response mechanism. The movable rod (1) is configured to contact the hands of surrounding personnel when they accidentally enter the working area of ​​the rolling mill (2), and the hands of surrounding personnel can cause the movable rod (1) to move elastically downward in the support mechanism.

2. The sensing device based on a film rolling equipment according to claim 1, characterized in that, The movable rod (1) includes a horizontal rod (4), a first vertical rod (5), and a second vertical rod (6), both of which are perpendicularly connected to the horizontal rod (4). The support mechanism includes a first elastic support member (7) and a second elastic support member (8). The first elastic support member (7) is located on one side of the working area of ​​the rolling mill (2), and the second elastic support member (8) is located on the other side of the working area of ​​the rolling mill (2). The first vertical rod (5) is connected to the first elastic support (7), and the second vertical rod (6) is connected to the second elastic support (8); The first vertical rod (5) can move elastically vertically within the first elastic support (7), and the second vertical rod (6) can move elastically vertically within the second elastic support (8).

3. The sensing device based on a film rolling equipment according to claim 1, characterized in that, Each of the elastic support members includes a spring seat and a spring, the spring seat being mounted on the rolling mill (2) and the spring being mounted inside the spring seat.

4. The sensing device based on a film rolling equipment according to claim 3, characterized in that, The spring seat is connected to the rolling mill (2) by at least one bolt.

5. A sensing device based on a film rolling equipment according to claim 2, characterized in that, The crossbar (4) is set parallel or perpendicular to the horizontal axis of the working area of ​​the rolling mill (2).

6. A sensing device based on a film rolling equipment according to claim 2, characterized in that, When the first vertical bar (5) and the second vertical bar (6) move to the lowest vertical position, there is a gap between the horizontal bar (4) and the working area of ​​the rolling mill (2) in the vertical direction.

7. An unintentional linkage emergency stop device, characterized in that, The device includes a controller, a signal transmission system, and a sensing device based on the rolling mill (2) as described in any one of claims 1-6. The controller and the signal transmission system are both connected to the pressure sensor (3). The controller is connected to the signal transmission system. The output end of the signal transmission system is connected to the rolling mill power system of the rolling mill (2). The controller is configured to control the rolling mill power system of the rolling mill (2) to stop abruptly according to the signal from the pressure sensor (3).

8. An unintentional linkage emergency stop device according to claim 7, characterized in that, It also includes an alarm device (9) installed on the rolling mill (2), the output of the signal transmission system is connected to the alarm device (9), and the controller is configured to control the alarm device (9) to respond according to the signal from the pressure sensor (3).

9. An unintentional linkage emergency stop device according to claim 8, characterized in that, The alarm device (9) includes a sound alarm and a light alarm.

10. An unintentional linkage emergency stop device according to claim 9, characterized in that, The light alarm includes LED lights or flashing signal lights.