Cigarette machine air force sending filament conveying state multi-point monitoring warning system and method

Abstract

The application discloses a cigarette machine wind force thread feeding conveying state multi-point monitoring and warning system and method. The main design concept of the application is that a multi-point detection mechanism is constructed according to the random characteristics of the position and frequency of the wind force thread feeding fault, a plurality of key fault points of a cigarette wrapping workshop and a tobacco house are covered, and a display terminal capable of providing different levels of warnings is configured corresponding to each detection device. Whether the wind feeding system is normal is judged gradually and step by step through the round-trip detection of each main link of the wind force thread feeding. The application can clearly and quickly warn the states of a plurality of risk fault points of the wind force thread feeding system to corresponding relevant personnel, thereby significantly shortening the fault searching time, saving the maintenance cost and greatly improving the production efficiency.

Description

Technical Field

[0001] This invention relates to the field of cigarette manufacturing, and in particular to a multi-point monitoring and warning system and method for the pneumatic feeding and conveying status of cigarette machines. Background Technology

[0002] Currently, there are two methods for feeding shreds to cigarette machines in China: one is trolley feeding, and the other is pneumatic feeding.

[0003] The working principle of the pneumatic tobacco feeding system is as follows: Finished tobacco produced in the tobacco processing workshop is loaded into the tobacco storage box in the tobacco room. The tobacco is then conveyed to the feeding pipe via a feeding platform, and finally enters the cigarette rolling machine through the feeding pipe. When the cigarette rolling machine is short of tobacco, the control signal splits into two paths: First, it is sent to the pneumatic tobacco feeding system, opening the negative pressure suction valve of the feeding pipe, creating negative pressure within the suction pipe; second, it is sent to the tobacco room, activating the tobacco storage box and feeding platform. The tobacco falls from the outlet of the storage box onto an inclined conveyor belt, is then lifted by the inclined conveyor belt to the feeding platform, and then falls onto the inlet of the feeding pipe via the transverse conveyor belt of the feeding platform. Finally, it is fed into the tobacco collection box of the cigarette rolling machine through the feeding pipe.

[0004] However, various problems often exist in the tobacco path between the tobacco storage box in the tobacco room and the tobacco collection box in the cigarette machine, resulting in insufficient tobacco in the collection box. Furthermore, the entire tobacco feeding mechanism lacks a status monitoring device for the tobacco conveying process, making troubleshooting difficult and time-consuming when insufficient tobacco is found in the collection box. In particular, one feeding table supplies at least six cigarette machines; a malfunction in the feeding table affects the production of multiple units, severely reducing production efficiency. Summary of the Invention

[0005] In view of the above, the present invention aims to provide a multi-point monitoring and warning system and method for the pneumatic feeding and conveying status of a cigarette machine, so as to solve the aforementioned technical problems.

[0006] The technical solution adopted in this invention is as follows:

[0007] In a first aspect, the present invention provides a multi-point monitoring and warning system for the air-powered cigarette feeding status of a cigarette machine, including: a plurality of three-level warning components and a plurality of two-level warning components;

[0008] The three-level warning components include: a tobacco shortage detection device installed at the tobacco storage box to detect the tobacco level in the storage box, with the corresponding warning terminal located in the tobacco room; a collection port detection device installed at the outlet of the feeding table to detect the tobacco blockage at the outlet of the feeding table, with the corresponding warning terminal located in the tobacco room; an air pressure detection device installed at the inlet of the tobacco suction pipe to detect the negative pressure of the pipe from the collection port into the inlet of the tobacco suction pipe, with the corresponding warning terminal located in the rolling and packaging workshop; and a pipe airflow detection device installed at the tobacco conveying pipe to detect the airflow in the pipe, with the corresponding warning terminal located in the rolling and packaging workshop.

[0009] The two-level warning components include: a material requisition switch detection device installed at the material requisition switch to detect the rotational position of the material requisition switch, with the corresponding warning terminal located in the packaging workshop; a cigarette machine valve detection device installed at the cigarette collection box to detect the closed position of the cigarette machine valve, with the corresponding warning terminal located in the packaging workshop; a cigarette machine lifting machine status detection device installed at the cigarette machine lifting machine to detect the closed position of the cigarette machine lifting machine, with the corresponding warning terminal located in the packaging workshop; a negative pressure valve status detection device installed at the negative pressure pipeline butterfly valve to detect the open / closed status of the negative pressure pipeline butterfly valve, with the corresponding warning terminal located in the packaging workshop; and a make-up air valve status detection device installed at the negative pressure pipeline make-up air valve to detect the open / closed status of the negative pressure pipeline make-up air valve, with the corresponding warning terminal located in the packaging workshop.

[0010] In at least one of the possible implementations, the three-level warning component and the two-level warning component output alarm information / signals with different visual effects in the corresponding warning terminals based on a preset warning level.

[0011] In at least one possible implementation, the highest level warning of the collection port detection device is used to trigger a preset cleaning procedure.

[0012] Secondly, the present invention provides a multi-point monitoring and warning method for the pneumatic feeding and conveying status of a cigarette machine, including:

[0013] When the equipment requires pneumatic wire feeding, determine the rotation position of the material demand switch;

[0014] When the material demand switch is closed, the highest level of warning is output; when the material demand switch is open, the position of the wire lifting machine is determined.

[0015] When the wire lifting machine is in an abnormal operating position, the highest level of warning is output; when the wire lifting machine is in a normal operating position, the position of the wire collecting box valve is checked.

[0016] When the valve is in an abnormal operating position, the highest level of warning is output; when the valve is in a normal operating position, the detection status of the negative pressure valve in the wire suction pipeline is checked.

[0017] When the negative pressure valve malfunctions, the highest level of warning is output; when the negative pressure valve is working normally, the status of the make-up air valve is checked.

[0018] When the make-up air valve malfunctions, the highest level of warning is issued; when the make-up air valve is working normally, the air pressure detection status is checked.

[0019] When the air pressure is normal, determine the material shortage detection status in the wire storage box;

[0020] When the material shortage detection is normal, determine the status of the tobacco blockage detection at the collection port;

[0021] When the blockage detection at the collection port is normal, determine the airflow detection status of the suction pipe;

[0022] When the air volume is detected as normal, the warning terminals of each detection device in the rolling and packaging workshop and the tobacco room will indicate that the system is operating normally.

[0023] In at least one of the possible implementations, when the wind pressure detection is abnormal, an alarm or reminder message / signal is output to the warning terminal according to the warning level.

[0024] In at least one of the possible implementations, when a material shortage detection anomaly occurs, an alarm or reminder message / signal is output to the warning terminal according to the warning level.

[0025] In at least one of the possible implementations, when an abnormal blockage is detected at the collection port, an alarm or reminder message / signal is output on the warning terminal, and simultaneously with the output of the reminder message / signal, the cleaning valve is activated to blow air to clean the tobacco at the blockage location.

[0026] In at least one of the possible implementations, when the air volume detection is abnormal, an alarm or reminder message / signal is output on the warning terminal according to the warning level.

[0027] Compared with existing technologies, the main design concept of this invention lies in constructing a multi-point detection mechanism to address the random nature of the location and frequency of pneumatic tobacco feeding failures. This mechanism covers several key failure points in the rolling and packaging workshop and the tobacco processing room, and each detection device is equipped with a display terminal that can provide different levels of warnings. By cyclically detecting each major link of the pneumatic tobacco feeding system, the system's normal operation is gradually determined. This invention can clearly and quickly alert the relevant personnel to the status of multiple risky failure points in the pneumatic tobacco feeding system, thereby significantly shortening the time for fault location and greatly improving production efficiency while saving maintenance costs. Attached Figure Description

[0028] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described below with reference to the accompanying drawings, wherein:

[0029] Figure 1 This is a schematic diagram of a multi-point monitoring and warning system for the air-powered cigarette feeding status of a cigarette machine, provided in an embodiment of the present invention. Detailed Implementation

[0030] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0031] This invention proposes an embodiment of a multi-point monitoring and warning system for the pneumatic feeding and conveying status of a cigarette machine. Specifically, as follows: Figure 1 As shown, this includes several level-three warning components and several level-two warning components.

[0032] The three-level warning components include:

[0033] (1) A tobacco shortage detection device is installed at the tobacco storage box to detect the material level status of the tobacco storage box. The tobacco shortage detection device can be configured to have functions such as high alarm, low reminder, and normal operation prompt. The warning terminal of the tobacco shortage detection device (which can display the corresponding device detection feedback) can be located in the tobacco room for easy reminder to the tobacco room staff.

[0034] (2) A collection port detection device installed at the outlet of the feeding table is used to detect the blockage status of tobacco at the outlet of the feeding table. Similar to the tobacco shortage detection device, it has high alarm, low reminder and normal operation indication functions. Its terminal is also located in the tobacco room to remind the tobacco room staff. It should be noted that the high alarm of the collection port blockage detection device is used to trigger the alarm and cleaning process.

[0035] (3) A wind pressure detection device installed at the inlet of the tobacco suction pipe is used to detect the negative pressure of the pipe from the collection port into the inlet of the tobacco suction pipe. Similarly, it has high alarm, low reminder, and normal operation indication functions, but its terminal is located in the rolling and packaging workshop, so as to facilitate the reminder of the rolling and packaging workshop maintenance personnel.

[0036] (4) A pipe airflow detection device installed at the tobacco conveying pipe is used to detect the airflow in the pipe. Similar to the air pressure status detection device, it has high alarm, low reminder, and normal operation indication functions, and its terminal is located in the rolling and packaging workshop.

[0037] The two-level warning components include:

[0038] (1) A material requisition switch detection device (not shown in the figure) is installed at the material requisition switch to detect the rotation position of the material requisition switch. The material requisition switch detection device can be configured to have high alarm and normal operation indication functions, and its terminal is located in the roll packaging workshop.

[0039] (2) A cigarette machine valve detection device installed at the cigarette collection box is used to detect the closed position of the cigarette machine valve. Similarly, it has high alarm and normal operation indication functions, and its terminal is located in the cigarette packaging workshop.

[0040] (3) A cigarette-rolling machine status detection device is installed at the cigarette-rolling machine to detect the closed position of the cigarette-rolling machine. Similarly, it has high alarm and normal operation indication functions, and its terminal is located in the cigarette-making workshop.

[0041] (4) A negative pressure valve status detection device is installed at the butterfly valve of the negative pressure pipeline to detect the opening and closing status of the butterfly valve. Similarly, it has high alarm and normal operation indication functions, and its terminal is located in the packaging workshop.

[0042] (5) A status detection device for the air supply valve installed at the air supply valve of the negative pressure pipeline is used to detect the opening and closing status of the air supply valve. Similarly, it has high alarm and normal operation indication functions, and its terminal is located in the packaging workshop.

[0043] Regarding the aforementioned system, it should be further noted that the detection devices themselves and the terminals communicating with them via electrical signals are based on mature technologies already existing in the field, and will not be elaborated upon here. It should be pointed out that the aforementioned three-level and two-level systems refer to pre-defined alert levels based on requirements: a high alarm corresponds to a high alert level, triggering an alarm, and the terminal may output alarm information / signals in red, indicating the location of the fault that needs to be addressed as soon as possible for quick troubleshooting; a low alert corresponds to a low alert level, triggering a warning alert, and the terminal may output warning information / signals in yellow, indicating the location of the fault that requires special attention for observation and inspection of abnormal progress; a normal operation alert corresponds to normal wire feeding operation, and the terminal may output warning information / signals in green, but is not limited to.

[0044] Corresponding to the above-mentioned warning system, the present invention provides the following example of a warning workflow:

[0045] When the equipment requires pneumatic wire feeding, first determine the rotation position of the feed switch. When the feed switch is closed, a red message will remind the maintenance worker to open the feed switch and start the feed program.

[0046] When the material feed switch is turned on, the system determines the position of the wire lifting machine based on the wire lifting machine detection status signal. When the wire lifting machine is in an abnormal working position, a red message is sent to remind the maintenance worker to check the position of the wire lifting machine to ensure that the wire lifting machine is in the normal working position.

[0047] When the wire lifting machine is in the normal operating position, it begins to determine the position of the wire collecting box valve. The valve position is determined based on the detection status signal of the wire collecting box valve. When the valve position is in an abnormal operating position, a red message is sent to remind the maintenance worker to check the position of the wire collecting box valve to ensure that the valve position is in the normal operating position.

[0048] When the valve is in the normal operating position, the status information of the negative pressure valve in the wire suction pipeline is checked. When the negative pressure valve is abnormal, a red message is displayed to remind the maintenance worker to check the negative pressure valve in the wire suction pipeline to ensure that the negative pressure valve is working properly.

[0049] When the negative pressure valve is working normally, the status information of the air supply valve is checked. When the air supply valve is abnormal, a red message is displayed to remind the maintenance worker to check the air supply valve and ensure that the air supply valve is working normally.

[0050] When the make-up air valve is working normally, the system begins to check the air pressure detection status. When the air pressure detection is abnormal, the abnormal signal is further analyzed. When the abnormal signal is at a high alarm level, a red message is used to remind the maintenance worker to check the air pressure in the suction pipe and ensure that the pressure is restored to the standard level. When the abnormal signal is at a low alert level, a yellow message is used to remind the maintenance worker to pay attention to the pressure level in the suction pipe and to perform maintenance if necessary.

[0051] When the wind pressure signal is normal, the system begins to check the material shortage detection status in the tobacco storage box. When the material shortage detection signal is abnormal, the abnormal signal is further analyzed. When the abnormal signal is at a high alarm level, a red message is used to remind the tobacco processing room staff to add material to the tobacco storage box to ensure sufficient tobacco. When the abnormal signal is at a low alarm level, a yellow message is used to remind the tobacco processing room staff to pay attention to the material level in the tobacco storage box and prepare to replenish the tobacco.

[0052] When the material shortage detection signal is normal, the system begins to assess the status of the tobacco blockage detection at the collection port. If the blockage detection signal is abnormal, further assessment is performed. If the abnormal signal is at a high alarm level, it indicates severe blockage, and a red alert is issued to the tobacco processing room staff to manually clean the blockage as soon as possible. If the abnormal signal is at a low alert level, a yellow alert is issued to the tobacco processing room staff to draw their attention, and an automatic cleaning command is executed, activating the cleaning valve to blow air through the blocked tobacco to prevent excessive blockage.

[0053] When the blockage detection signal at the collection port is normal, the system begins to assess the airflow detection status signal of the suction pipe. If the airflow detection signal is abnormal, further assessment is performed. If the abnormal signal is at a high alarm level, a red message is displayed to remind the maintenance worker to inspect the suction pipe and clear any blockages if necessary. If the abnormal signal is at a low alarm level, a yellow message is displayed to remind the maintenance worker to monitor the tobacco delivery status of the suction pipe. When the airflow detection signal is normal, it indicates that the entire pneumatic tobacco delivery system is functioning normally, and a green message is displayed at the terminals of all detection devices in the rolling workshop and tobacco room, indicating that the overall system is currently operating normally.

[0054] The above workflow is designed in a specific order based on the actual working mechanism of a wind power system. This is just one example of a complete status monitoring process. In actual work, the process involves real-time patrol and judgment of the points where faults may occur.

[0055] In summary, the main design concept of this invention lies in constructing a multi-point detection mechanism to address the random nature of the location and frequency of pneumatic tobacco feeding failures. This mechanism covers several key failure points in the rolling and packaging workshop and the tobacco processing room. Each detection device is equipped with a display terminal that can provide different levels of warnings. By conducting round-robin inspections of each major link in the pneumatic tobacco feeding system, the system's operational status is gradually determined. This invention can clearly and quickly alert relevant personnel to the status of multiple risk points in the pneumatic tobacco feeding system, significantly shortening the time required to locate faults and greatly improving production efficiency while saving maintenance costs.

[0056] In this embodiment of the invention, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent the existence of A alone, A and B simultaneously, or B alone. A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects have an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c can represent: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, and c can be single or multiple.

[0057] The above description of the structure, features, and effects of the present invention is based on the embodiments shown in the figures. However, the above are only preferred embodiments of the present invention. It should be noted that the technical features involved in the above embodiments and their preferred methods can be reasonably combined and matched by those skilled in the art to form a variety of equivalent solutions without departing from or changing the design concept and technical effects of the present invention. Therefore, the present invention is not limited to the scope of implementation shown in the figures. Any changes made in accordance with the concept of the present invention, or modifications to equivalent embodiments, that do not exceed the spirit covered by the specification and figures, should be within the protection scope of the present invention.

Claims

1. A warning method based on a multi-point monitoring and warning system for the pneumatic feeding and conveying status of a cigarette machine, characterized in that, The monitoring and warning system includes: several three-level warning components and several two-level warning components; The three-level warning components include: a tobacco shortage detection device installed at the tobacco storage box to detect the tobacco level in the storage box, with the corresponding warning terminal located in the tobacco room; a collection port detection device installed at the outlet of the feeding table to detect the tobacco blockage at the outlet of the feeding table, with the corresponding warning terminal located in the tobacco room; an air pressure detection device installed at the inlet of the suction pipe to detect the negative pressure of the pipe from the collection port into the inlet of the suction pipe, with the corresponding warning terminal located in the rolling and packaging workshop; and a pipe airflow detection device installed at the tobacco conveying pipe to detect the airflow in the pipe, with the corresponding warning terminal located in the rolling and packaging workshop. The two-level warning components include: a material requisition switch detection device installed at the material requisition switch to detect the rotational position of the material requisition switch, with the corresponding warning terminal located in the packaging workshop; a cigarette machine valve detection device installed at the cigarette collection box to detect the closed position of the cigarette machine valve, with the corresponding warning terminal located in the packaging workshop; a cigarette machine lifting machine status detection device installed at the cigarette machine lifting machine to detect the closed position of the cigarette machine lifting machine, with the corresponding warning terminal located in the packaging workshop; a negative pressure valve status detection device installed at the negative pressure pipeline butterfly valve to detect the open / closed state of the negative pressure pipeline butterfly valve, with the corresponding warning terminal located in the packaging workshop; and a make-up air valve status detection device installed at the negative pressure pipeline make-up air valve to detect the open / closed state of the negative pressure pipeline make-up air valve, with the corresponding warning terminal located in the packaging workshop. The warning method progressively determines whether the air supply system is functioning properly, specifically including: When the equipment requires pneumatic wire feeding, determine the rotation position of the material demand switch; When the material demand switch is closed, the highest level of warning is output; when the material demand switch is open, the position of the wire lifting machine is determined. When the wire lifting machine is in an abnormal operating position, the highest level of warning is output; when the wire lifting machine is in a normal operating position, the position of the wire collecting box valve is checked. When the valve is in an abnormal operating position, the highest level of warning is output; when the valve is in a normal operating position, the detection status of the negative pressure valve in the wire suction pipeline is checked. When the negative pressure valve malfunctions, the highest level of warning is issued; when the negative pressure valve is working normally, the status of the make-up air valve is checked. When the make-up air valve malfunctions, the highest level of warning is issued; when the make-up air valve is working normally, the air pressure detection status is checked. When the air pressure is normal, determine the material shortage detection status in the wire storage box; When the material shortage detection is normal, determine the status of the tobacco blockage detection at the collection port; When the blockage detection at the collection port is normal, determine the airflow detection status of the suction pipe; When the air volume is detected normally, the warning terminals of each detection device in the rolling and packaging workshop and the tobacco room indicate that the system is operating normally.

2. The warning method according to claim 1, characterized in that, When the wind pressure is detected as abnormal, an alarm or reminder message / signal will be output on the warning terminal according to the warning level.

3. The warning method according to claim 1, characterized in that, When a material shortage is detected as abnormal, an alarm or reminder message / signal will be output to the warning terminal according to the warning level.

4. The warning method according to claim 1, characterized in that, When an abnormal blockage is detected at the collection port, an alarm or reminder message / signal is output on the warning terminal. Simultaneously with the output of the reminder message / signal, the cleaning valve is activated to blow air to clean the tobacco at the blockage location.

5. The warning method according to claim 1, characterized in that, When the air volume is detected as abnormal, an alarm or reminder message / signal will be output on the warning terminal according to the warning level.

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