Cigarette machine drop plate with self-cleaning function

By installing sensors, vibration, and air jet devices on the feeding flap of the cigarette machine, automatic cleaning of tobacco shreds and dust is achieved, solving the problem of the feeding flap getting stuck and improving equipment operating efficiency and product quality.

CN117752117BActive Publication Date: 2026-04-07CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-02-05
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The edge of the feeding flap of the cigarette machine is prone to getting stuck with tobacco shreds and dust, which can lead to poor closure, abnormal feeding of tobacco shreds and potential product quality problems. Existing technology requires manual cleaning, which affects the operating efficiency of the equipment.

Method used

A position sensor is installed at the pivot of the material discharge flap, and a vibration device and an air jet device are provided. Automatic cleaning is achieved through a PLC programmable controller. Vibration removes tobacco shreds and dust, and air jets blow away the residue.

Benefits of technology

It has achieved automated cleaning of tobacco leaves and dust, avoiding equipment downtime, improving equipment operating efficiency, eliminating potential product quality risks, and ensuring the normal operation of the equipment and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117752117B_ABST
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Abstract

This invention discloses a cigarette machine feed plate with self-cleaning function, including a feed flap (1). A feed plate position sensor (2) is provided at the pivot of the feed flap (1). A vibration device (3) and an air jet device (4) are provided on both long sides of the feed flap (1). The feed plate position sensor (2), the vibration device (3), and the air jet device (4) are all electrically connected to a PLC programmable controller (5). This invention can automatically clean up the tobacco dust and soot accumulated at the edge of the feed plate. The entire cleaning process is completed automatically without stopping the equipment, greatly improving the operating efficiency of the equipment and eliminating potential product quality problems.
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Description

TECHNICAL FIELD

[0001] The application relates to a material dropping plate, in particular a material dropping plate with a self-cleaning function for a cigarette making machine. BACKGROUND

[0002] When a cigarette making machine group is in normal production, cut tobacco is transported to a material box through a cut tobacco conveying pipe, the bottom of the material box is a whole material dropping plate, and the bottom of the material dropping plate is a cut tobacco storage area; when the cut tobacco level in the cut tobacco storage area of the cigarette making machine is reduced due to production use, a low material level detection is triggered, at this time, the material dropping plate is opened, and the cut tobacco in the material box falls to the cut tobacco storage area due to gravity, thereby supplementing the material level in the cut tobacco storage area.

[0003] In production, it is found that when the cut tobacco falls, cut tobacco or tobacco mist is always accumulated at the edge of the material dropping plate, the accumulated cut tobacco and tobacco mist are compacted and caked due to frequent opening and closing of the material dropping plate, and the caked cut tobacco is adhered to the edge of the material dropping plate; after the accumulation of the production operation of the equipment, the caked cut tobacco at the edge of the material dropping plate hinders the normal closing of the material dropping plate, the material dropping plate cannot be closed tightly, the cut tobacco conveying is abnormal, the cut tobacco in the material box is difficult to supplement, and in severe cases, the material dropping plate cannot be closed completely, the cut tobacco conveying is completely interrupted, in addition, when the caked cut tobacco is partially detached due to vibration of the equipment, the detached caked cut tobacco is mixed into normal cut tobacco and is sent to the next production process, thereby causing potential risks to product quality. SUMMARY

[0004] The application aims to provide a material dropping plate with a self-cleaning function for a cigarette making machine, so as to solve the technical problems in the prior art, the material dropping plate can automatically clean the cut tobacco and tobacco mist accumulated at the edge of the material dropping plate, the whole cleaning process is automatically completed, the equipment does not need to be stopped, the operation efficiency of the equipment is greatly improved, and the potential risks to product quality are eliminated.

[0005] The application provides a material dropping plate with a self-cleaning function for a cigarette making machine, which comprises a material dropping plate, a material dropping plate position sensor is arranged at the rotating shaft of the material dropping plate, vibration devices and air jet devices are arranged on the two long edges of the material dropping plate, and the material dropping plate position sensor, the vibration devices and the air jet devices are electrically connected with a PLC programmable controller.

[0006] In the foregoing material dropping plate with a self-cleaning function for a cigarette making machine, preferably, the material dropping plate is a cuboid structure, the vibration devices on the two long edges of the material dropping plate are symmetrically arranged relative to the long symmetry axis of the material dropping plate, and the air jet devices on the two long edges of the material dropping plate are symmetrically arranged relative to the long symmetry axis of the material dropping plate.

[0007] Preferably, the vibration device and the air jet device on the same side of the material dropping flap are arranged alternately.

[0008] Preferably, a mounting groove is formed on the side wall of the material dropping flap, the vibration device comprises an oscillation motor and an oscillation block, the oscillation motor is fixed in the mounting groove, the oscillation block is installed on the rotating shaft of the oscillation motor, and the oscillation motor is electrically connected with the PLC programmable controller.

[0009] Preferably, the air jet device comprises a cleaning nozzle and a jacking device, a through groove is formed at the position of the long edge of the material dropping flap, the cleaning nozzle is rotatably installed in the through groove, a cover plate is fixed on the cleaning nozzle, the cover plate has the same shape and size as the through groove, the cleaning nozzle is connected with the air source through an air pipe, an electromagnetic valve is arranged on the air pipe, a jacking device mounting seat is arranged on the bottom surface of the material dropping flap, one end of the jacking device is rotatably connected with the jacking device mounting seat, the other end of the jacking device is rotatably connected with the side wall of the cleaning nozzle, and the jacking device and the electromagnetic valve are electrically connected with the PLC programmable controller.

[0010] Preferably, the jacking device is a pneumatic cylinder or an electric push-pull rod.

[0011] Compared with the prior art, the present application comprises a material dropping flap, a material dropping flap position sensor is arranged at the rotating shaft of the material dropping flap, vibration devices and air jet devices are arranged on the two long edges of the material dropping flap, and the material dropping flap position sensor, the vibration devices and the air jet devices are electrically connected with the PLC programmable controller. The material dropping flap position sensor is used to detect whether the material dropping flap is in an open state, the vibration devices and the air jet devices are controlled to work through the PLC programmable controller when the material dropping flap is opened, the vibration devices can shake off the cut tobacco and tobacco dregs hooked at the edge position of the material dropping flap, and the air jet devices can blow the residual cut tobacco that has been shaken off, thereby effectively solving the problem that the cut tobacco and tobacco dregs are easily hooked at the edge of the material dropping flap in the prior art, preventing the cut tobacco and tobacco dregs from forming hard blocks, effectively ensuring the normal operation of the equipment, and guaranteeing the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 is a structural schematic diagram of the present application;

[0013] Fig. 2 is a top view of the material dropping flap;

[0014] Fig. 3 is a sectional view of the long edge of one side of the material dropping flap.

[0015] Explanation of reference signs: blanking flap 1, blanking flap position sensor 2, vibration device 3, air jet device 4, PLC programmable controller 5, mounting groove 6, oscillation motor 7, oscillation block 8, cleaning nozzle 9, jacking device 10, through groove 11, cover plate 12, jacking device mounting seat 13. DETAILED DESCRIPTION

[0016] The embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments described below are examples for explaining the present application and should not be construed as limiting the present application.

[0017] Embodiments of the present application: as shown in the drawings, a blanking flap of a cigarette making machine with a self-cleaning function comprises a blanking flap 1, a blanking flap position sensor 2 is arranged at the rotating shaft of the blanking flap 1, vibration devices 3 and air jet devices 4 are arranged on both long edges of the blanking flap 1, and the blanking flap position sensor 2, the vibration devices 3 and the air jet devices 4 are electrically connected with a PLC programmable controller 5. Figs. 1-3 The blanking flap position sensor 2 is used to detect whether the blanking flap 1 is in a fully open state. When the blanking flap position sensor 2 detects that the blanking flap 1 is in a fully open state, a signal is sent to the PLC programmable controller 5, and the PLC programmable controller 5 controls the vibration devices 3 and the air jet devices 4 to work. The vibration devices 3 are used to shake loose the tobacco dander at the edges of the blanking flap 1, and the air jet devices 4 are used to blow off the tobacco dander.

[0018] In a specific embodiment, the blanking flap 1 is a cuboid structure, the vibration devices 3 on the two long edges of the blanking flap 1 are symmetrically arranged relative to the long symmetry axis of the blanking flap 1, and the air jet devices 4 on the two long edges of the blanking flap 1 are symmetrically arranged relative to the long symmetry axis of the blanking flap 1.

[0019] In this embodiment, three vibration devices 3 and three air jet devices 4 are arranged on each long edge of the blanking flap 1, and the vibration devices 3 and the air jet devices 4 on the same side of the blanking flap 1 are arranged alternately. The vibration devices 3 on both sides of the blanking flap 1 are symmetrically arranged, which can ensure that the vibration frequencies of the vibration devices 3 on both sides are the same when the vibration devices 3 work, thereby ensuring that the vibration devices 3 will not cause damage to the blanking flap 1.

[0020] Further, mounting grooves 6 are formed on the side walls of the blanking flap 1, the vibration devices 3 comprise oscillation motors 7 and oscillation blocks 8, the oscillation motors 7 are fixed in the mounting grooves 6, the oscillation blocks 8 are mounted on the rotating shafts of the oscillation motors 7, and the oscillation motors 7 are electrically connected with the PLC programmable controller 5.

[0021] Further, mounting grooves 6 are formed on the side walls of the blanking flap 1, the vibration devices 3 comprise oscillation motors 7 and oscillation blocks 8, the oscillation motors 7 are fixed in the mounting grooves 6, the oscillation blocks 8 are mounted on the rotating shafts of the oscillation motors 7, and the oscillation motors 7 are electrically connected with the PLC programmable controller 5.

[0022] Three vibration devices 3 are arranged in the embodiment, so three installation grooves 6 are arranged on one side of the blanking flap 1, and one vibration motor 7 is arranged in each installation groove 6.

[0023] Further, the air jet device 4 comprises a cleaning nozzle 9 and a jacking device 10, a through groove 11 is arranged at the position of the long edge of the blanking flap 1, the cleaning nozzle 9 is rotatably arranged in the through groove 11, a cover plate 12 is fixed on the cleaning nozzle 9, the cover plate 12 has the same shape and size as the through groove 11, the cleaning nozzle 9 is connected with the air source through an air pipe, an electromagnetic valve is arranged on the air pipe, a jacking device mounting seat 13 is arranged on the bottom surface of the blanking flap 1, one end of the jacking device 10 is rotatably connected with the jacking device mounting seat 13, the other end of the jacking device 10 is rotatably connected with the side wall of the cleaning nozzle 9, the jacking device 10 and the electromagnetic valve are electrically connected with the PLC programmable controller 5. The jacking device 10 can be a pneumatic cylinder or an electric push-pull rod.

[0024] Similarly, three air jet devices 4 are arranged on one side in the embodiment, so three through grooves 11 are arranged on one side of the blanking flap 1, and six through grooves 11 are arranged on both sides, the cover plate 12 is arranged on the cleaning nozzle 9, when the cleaning nozzle 9 does not work, the cover plate 12 is arranged in the through groove 11, so that the cover plate 12 is flush with the top surface of the blanking flap 1, and the tobacco accumulation is prevented. The jacking device mounting seat 13 is arranged, so that the jacking device 10 is in an inclined state, thereby facilitating the jacking and retraction of the cleaning nozzle 9.

[0025] The working principle of the application is as follows: when the device works, the blanking flap 1 is in a fully open state, the blanking plate position sensor 2 sends a signal to the PLC programmable controller 5, the PLC programmable controller 5 controls all the vibration motors 7 to work, the vibration motors 7 drive the vibration blocks 8 to rotate when working, high-frequency vibration is generated, the tobacco and tobacco dregs hooked at the edge position of the blanking flap 1 are shaken off and removed, at the same time, the PLC programmable controller 5 controls the jacking device 10 to jacking the cleaning nozzle 9, controls the electromagnetic valve on the air pipe to open, the cleaning nozzle 9 sprays high-pressure air, the tobacco and tobacco dregs are blown off through the high-pressure air, so that the cleaning of the edges of the blanking flap 1 on both sides is ensured, when the blanking flap 1 moves back, the PLC programmable controller 5 controls the electromagnetic valve to close, the jacking device 10 is retracted, so that the cleaning nozzle 9 is arranged in the through groove 11, and the cover plate 12 on the cleaning nozzle 9 covers the through groove 11; the vibration motor 7 stops working.

[0026] The above embodiment shown in the drawings details the structure, features and effect of the application, the above description is only the preferred embodiment of the application, but the application is not limited by the drawings, any change or modification within the concept of the application, or the equivalent embodiment within the equivalent range of the spirit of the application, should be within the protection scope of the application.

Claims

1. A cigarette machine feed plate with self-cleaning function, comprising a feed flap (1), wherein a feed plate position sensor (2) is provided at the rotating shaft of the feed flap (1), characterized in that: Vibration device (3) and air jet device (4) are provided on both long sides of the material discharge flap (1). The material discharge plate position sensor (2), the vibration device (3) and the air jet device (4) are all electrically connected to the PLC programmable controller (5). The jetting device (4) includes a cleaning nozzle (9) and a lifting device (10). A through groove (11) is provided at the long edge of the material discharge flap (1). The cleaning nozzle (9) is rotatably installed in the through groove (11). A cover plate (12) is fixed on the cleaning nozzle (9). The shape and size of the cover plate (12) are the same as those of the through groove (11). The cleaning nozzle (9) is connected to an air source through an air pipe. A solenoid valve is provided on the air pipe. A lifting device mounting seat (13) is provided on the bottom surface of the material discharge flap (1). One end of the lifting device (10) is rotatably connected to the lifting device mounting seat (13). The other end of the lifting device (10) is rotatably connected to the side wall of the cleaning nozzle (9). The lifting device (10) and the solenoid valve are both electrically connected to the PLC programmable controller (5).

2. The cigarette machine feed plate with self-cleaning function according to claim 1, characterized in that: The material discharge flap (1) is a cuboid structure. The vibration devices (3) on the two long sides of the material discharge flap (1) are symmetrically arranged with respect to the long axis of symmetry of the material discharge flap (1). The jet devices (4) on the two long sides of the material discharge flap (1) are symmetrically arranged with respect to the long axis of symmetry of the material discharge flap (1).

3. The cigarette machine feed plate with self-cleaning function according to claim 2, characterized in that: The vibration device (3) and the jetting device (4) are arranged alternately on the same side of the material discharge flap (1).

4. The cigarette machine feed plate with self-cleaning function according to claim 3, characterized in that: The side wall of the material discharge flap (1) is provided with an installation groove (6). The vibration device (3) includes an oscillating motor (7) and an oscillating block (8). The oscillating motor (7) is fixed in the installation groove (6). The oscillating block (8) is installed on the rotating shaft of the oscillating motor (7). The oscillating motor (7) is electrically connected to the PLC programmable controller (5).

5. The cigarette machine feed plate with self-cleaning function according to claim 1, characterized in that: The lifting device (10) is a cylinder or an electric push-pull rod.

Citation Information

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