Wind speed stable adjusting device for wind power cut tobacco feeding system of cigarette making and plug assembling machine

The design of double exhaust ducts, double dust collectors and double centrifugal fans solves the problem of production interruption during maintenance or failure of the cigarette wind-powered wire feeding system, achieves stable wind speed regulation and system balance, and ensures production continuity.

CN223452809UActive Publication Date: 2025-10-21CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Application Number
CN202422567170.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-21
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

In the existing cigarette pneumatic wire feeding system, when the dust collector needs maintenance or the centrifugal fan fails, all the wire feeders and cigarette making units will stop working, seriously delaying production.

Method used

A dual exhaust duct, dual dust collector and dual centrifugal fan system is designed, and the backup equipment is switched by opening and closing the butterfly valve to ensure stable system wind speed; when the filter is maintained, the air inlet duct is switched by opening and closing the butterfly valve to maintain production continuity.

Benefits of technology

When the dust collector is under maintenance or fails, equipment downtime is avoided to ensure uninterrupted production. Filter maintenance will not affect production, thus achieving stable wind speed regulation and system balance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cigarette manufacturing equipment, and discloses a wind speed stable adjusting device for a wind power cut tobacco feeding system of a cigarette making and plug assembling machine, which comprises a wind power conveying main pipe, two centrifugal fans and a plurality of cigarette making and plug assembling units, the air conveying branch pipes are connected with the junction station, the two centrifugal fans are connected with exhaust pipes, the exhaust pipes are connected with the air conveying main pipe, the air inlet side of each exhaust pipe is provided with a first opening and closing butterfly valve, and each exhaust pipe is connected with a dust remover; the main air conveying pipe is connected with an air supplementing pipe, the air supplementing pipe is provided with a first servo adjusting butterfly valve, the air inlet end of the air supplementing pipe is connected with two air inlet pipes, the air inlet ends of the two air inlet pipes are both provided with filter screens, and the air inlet sides of the air inlet pipes are provided with second opening and closing butterfly valves. Due to the design of the double exhaust pipes, the double centrifugal fans and the double dust collectors, the whole negative-pressure material suction device cannot be shut down during maintenance or equipment failure, so that production is not delayed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to cigarette manufacturing equipment technical field, concretely is a kind of wind speed stable regulating device of cigarette making machine wind force silk feeding system. BACKGROUND

[0002] Tobacco air conveying is a widely used silk feeding method in cigarette production, and the cigarette wind force silk feeding system in the prior art generally includes a centrifugal fan, a cigarette making machine group, a silk feeder and a control system, etc., a negative pressure is generated in the tobacco conveying pipeline between the corresponding cigarette making machine group and the silk feeder by the centrifugal fan, so as to realize the conveying of tobacco from the silk feeder to the cigarette making machine group, for producing cigarette products, and each centrifugal fan can realize the tobacco air conveying of multiple silk feeders and corresponding cigarette making machine groups through the arrangement of air pipe line, to improve the efficiency of cigarette production.

[0003] According to the search of the announcement No. CN212212677U, a cigarette wind force silk feeding air balance system is disclosed, which mainly comprises a centrifugal fan, a plurality of cigarette making machine groups, a silk feeder and a control system, a wind force conveying main pipe is arranged on the centrifugal fan, a supplementary air pipe and an air collector are arranged on the wind force conveying main pipe, a tobacco conveying pipeline and a wind force conveying branch pipe are arranged between the cigarette making machine group and the corresponding silk feeder and air collector, a wind speed regulating device is arranged on the wind force conveying branch pipe, the wind speed regulating device comprises a wind speed regulating pipe, a first servo regulating butterfly valve, a differential pressure transmitter and an orifice flowmeter, and a pressure transmission pipe is arranged between the remote diaphragm pressure taking flange of the orifice flowmeter and the differential pressure transmitter.

[0004] In the use of the negative pressure suction air balance device disclosed in the above application, the applicant finds that: the above plurality of cigarette making machine groups are connected with the wind force conveying main pipe through the wind force conveying branch pipe, then the centrifugal fan of the wind force conveying main pipe provides negative pressure suction, and dust removal is carried out through a dust remover, so as to realize negative pressure suction, but in the use of the whole system, once the dust remover needs to be maintained or the centrifugal fan and the dust remover fail, at this time, all the silk feeders and cigarette making machine groups will stop working, thereby seriously delaying production, in order to solve the above problems, a wind speed stable regulating device of cigarette making machine wind force silk feeding system is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a wind speed stable regulating device of cigarette making machine wind force silk feeding system to solve the problems existing in the above background technology.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] The utility model relates to a kind of wind speed stable adjustment device of wind force feeding system of roll interface machine, including wind force conveying main pipe, two centrifugal fans and several roll interface machine groups, each described roll interface machine group is connected with wind force conveying branch pipe, one end of the wind force conveying main pipe is connected with current collector, the wind force conveying branch pipe is connected with the current collector, two described centrifugal fans are connected with exhaust pipe, the exhaust pipe is connected with the wind force conveying main pipe, the air inlet side of the exhaust pipe is provided with first on-off butterfly valve, dust collector is connected on the exhaust pipe;

[0008] The wind force conveying main pipe is connected with air supplement pipe, the air supplement pipe air inlet end is connected with two air inlet pipes, the air inlet end of two described air inlet pipes is mounted with filter screen, the air inlet side of the air inlet pipe is provided with second on-off butterfly valve.

[0009] Further, each described roll interface machine group is connected with tobacco conveying pipe, and each tobacco conveying pipe is connected with feeding machine.

[0010] Further, the air supplement pipe is provided with first servo adjustment butterfly valve.

[0011] Further, the wind force conveying branch pipe is provided with second servo adjustment butterfly valve.

[0012] Further, the air outlet side of the exhaust pipe is provided with first silencer.

[0013] Further, the air inlet side of the air inlet pipe is provided with second silencer.

[0014] The beneficial effects of the utility model are:

[0015] 1、the utility model discloses, double exhaust pipe, double dust collector and double centrifugal fan's design, when needing to maintain dust collector or dust collector and centrifugal fan appear fault, personnel can open the first on-off butterfly valve of another exhaust pipe at this moment, to enable the dust collector and centrifugal fan of another drain pipe, to avoid equipment downtime and delay production.

[0016] 2、the utility model discloses, when needing to clean and maintain the filter screen on air inlet pipe, personnel can open another air inlet pipe through second on-off butterfly valve at this moment, and close the air inlet pipe of filter screen needing to maintain, so that when maintaining filter screen, production is not delayed. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the overhead structure schematic diagram of the utility model;

[0018] Figure 2 It is the enlarged view of A in the utility model Figure 1 ;

[0019] Figure 3 It is the front view structure schematic diagram of the utility model.

[0020] Explanation of reference signs:

[0021] 1 - wind force conveying main pipe; 2 - centrifugal fan; 3 - rolling machine group; 4 - wind force conveying branch pipe; 5 - current collector; 6 - exhaust pipe; 7 - first opening and closing butterfly valve; 8 - dust remover; 9 - air supplement pipe; 10 - first servo adjusting butterfly valve; 11 - air inlet pipe; 12 - filter screen; 13 - second opening and closing butterfly valve; 14 - tobacco conveying pipe; 15 - tobacco feeding machine; 16 - second servo adjusting butterfly valve; 17 - first silencer; 18 - second silencer. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The technical scheme of the present application will be described below in conjunction with Figures 1-3 A wind speed stable adjusting device of a wind force tobacco feeding system of a rolling machine is described in detail.

[0024] The wind speed stable adjusting device of the wind force tobacco feeding system of the rolling machine provided by the embodiments of the present application, as shown in Figures 1 to 3 The device comprises a wind force conveying main pipe 1, two centrifugal fans 2 and a plurality of rolling machine groups 3. Each rolling machine group 3 is connected with a tobacco conveying pipe 14, and each tobacco conveying pipe 14 is connected with a tobacco feeding machine 15. The tobacco conveying pipe 14 is used to convey the tobacco of the tobacco feeding machine 15 to the rolling machine group 3.

[0025] It should be noted that the above-mentioned centrifugal fan rolling machine group 3 and the tobacco feeding machine 15 are all equipment, and the specific equipment structure is not disclosed herein, and the present application does not improve the centrifugal fan rolling machine group 3 and the tobacco feeding machine 15, so it is not necessary to introduce them in detail here.

[0026] Reference Figures 1 to 3As shown, each of the cigarette making machine groups 3 is connected with a wind power conveying branch pipe 4, one end of the wind power conveying main pipe 1 is connected with a flow collector 5, the wind power conveying branch pipe 4 is connected with the flow collector 5, both of the centrifugal fans 2 are connected with exhaust pipes 6, the exhaust pipes 6 are connected with the wind power conveying main pipe 1, the air inlet side of the exhaust pipe 6 is provided with a first opening and closing butterfly valve 7, the exhaust pipe 6 is connected with a dust collector 8, this structure provides negative pressure power through the centrifugal fan 2, filters the dust-containing air through the dust collector 8, and the wind power is conveyed through the wind power conveying main pipe 1 and the flow collector 5 to generate air negative pressure in each of the wind power conveying branch pipes 4, so that the cut tobacco of the down-draught type tobacco feeder 15 is conveyed to the cigarette making machine group 3 through the cut tobacco conveying pipe 14 to produce the cigarette products.

[0027] In use, the design of the double exhaust pipes 6, the double dust collectors 8 and the double centrifugal fans 2, when the dust collector 8 and the centrifugal fan 2 need to be repaired, at this time, the personnel can open the first opening and closing butterfly valve 7 of the other exhaust pipe 6, so as to enable the dust collector 8 and the centrifugal fan 2 of the other exhaust pipe 6, so as to avoid the equipment downtime and delay the production, and the same reason, when the dust collector 8 is maintained, the production will not be delayed.

[0028] It should be noted that the above-mentioned centrifugal fan 2 and dust collector 8 are all equipment, the dust collector 8 is a bag dust collector, the specific equipment structure is disclosed, and the centrifugal fan 2 and the dust collector 8 are not improved, so more introduction is not given here.

[0029] Reference Figures 1 to 3 As shown, the wind power conveying branch pipe 4 is provided with a second servo adjusting butterfly valve 16, this structure uses the opening of the second servo adjusting butterfly valve 16 to control and adjust the wind speed and the air volume of the wind power conveying branch pipe 4.

[0030] Reference Figures 1 to 3 As shown, the air outlet side of the exhaust pipe 6 is provided with a first silencer 17, this structure uses the first silencer 17 to reduce and eliminate the air outlet noise of the exhaust pipe 6.

[0031] Reference Figures 1 to 3 As shown, the wind power conveying main pipe 1 is connected with a supplementary air pipe 9, the supplementary air pipe 9 is provided with a first servo adjusting butterfly valve 10, the supplementary air pipe 9 is connected with two air inlet pipes 11, the air inlet ends of the two air inlet pipes 11 are respectively provided with filter screens 12, and the air inlet side of the air inlet pipe 11 is provided with a second opening and closing butterfly valve 13, this structure uses the air inlet pipe 11 to enter the air into the supplementary air pipe 9, the supplementary air pipe 9 conveys the air into the wind power conveying main pipe 1 to supplement the air, and the second opening and closing butterfly valve 13 can control the air supplementing air volume, so as to keep the system wind speed balanced.

[0032] When the filter screen 12 on the air inlet pipe 11 needs to be cleaned and maintained, at this time, the personnel can open the other air inlet pipe 11 through the second opening and closing butterfly valve 13, and close the air inlet pipe 11 of the filter screen 12 which needs to be maintained, so that the maintenance of the filter screen 12 will not delay the production.

[0033] Reference Figures 1 to 3 As shown, the air inlet side of the air inlet pipe 11 is provided with a second silencer 18, which can reduce the air inlet noise of the air inlet pipe 11 by using the second silencer 18.

[0034] It should be noted that the above-mentioned negative pressure suction device is applied to the processing of tobacco, belongs to a tobacco processing equipment, and the above-mentioned servo adjusting butterfly valve controls the air speed by adjusting the opening and closing size of the valve, so as to ensure the balance of the air force, and the principle of the servo adjusting butterfly valve mainly adopts a sensor to detect the air volume and air pressure in the pipeline, and a computer of a control system is used to control the operation of the servo adjusting butterfly valve. The sensor specifically includes a detector and an air pressure sensor. The application does not improve the detection sensor and the control system involved in the servo adjusting butterfly valve, so it will not be introduced too much here. For details, refer to the structure disclosed in the patent CN212212677U.

[0035] The implementation principle of the wind speed stable adjusting device of the wind force yarn feeding system of the cigarette making machine according to the embodiment of the application is as follows: a centrifugal fan 2 provides negative pressure power, dust-containing air is filtered by a dust collector 8, and air force is made to flow in each air force feeding branch pipe 4 through an air force feeding main pipe 1 and a current collector 5, and the air speed and air volume of the air force feeding branch pipe 4 are controlled by adjusting the opening of the second servo adjusting butterfly valve 16, so that the cut tobacco sucked by a tobacco feeder 15 is fed to a cigarette making machine group 3 through a cut tobacco feeding pipe 14 to produce cigarette products, and when the cut tobacco is sucked by negative pressure, the air force feeding main pipe 1 is supplemented with air through a supplementary air pipe 9, and the supplementary air volume is controlled through the second on-off butterfly valve 13, so as to keep the balance of the system air speed.

[0036] When the dust collector 8 needs to be maintained or the dust collector 8 and the double centrifugal fan 2 fail, at this time, personnel can open the first on-off butterfly valve 7 of the other exhaust pipe 6, so as to enable the dust collector 8 and the centrifugal fan 2 of the other exhaust pipe 6, so as to avoid equipment downtime and delay production. Similarly, when the dust collector 8 is maintained, production will not be delayed.

[0037] When the filter screen 12 on the air inlet pipe 11 needs to be cleaned and maintained, at this time, personnel can open the other air inlet pipe 11 through the second on-off butterfly valve 13, and close the air inlet pipe 11 whose filter screen 12 needs to be maintained, so that the maintenance of the filter screen 12 will not delay production.

[0038] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A wind speed stabilizing adjusting device for a wind force yarn feeding system of a cigarette making machine, comprising a wind force feeding main pipe (1), two centrifugal blowers (2) and a plurality of cigarette making machine groups (3), characterized in that: Each of the rolling machine groups (3) is connected with a wind power conveying branch pipe (4), one end of the wind power conveying main pipe (1) is connected with a current collector (5), the wind power conveying branch pipe (4) is connected with the current collector (5), two centrifugal fans (2) are connected with exhaust pipes (6), the exhaust pipes (6) are connected with the wind power conveying main pipe (1), the air inlet side of the exhaust pipe (6) is provided with a first opening and closing butterfly valve (7), the exhaust pipe (6) is connected with a dust collector (8); The wind power conveying main pipe (1) is connected with a make-up air pipe (9), the make-up air pipe (9) is connected with two air inlet pipes (11) at the air inlet end, the air inlet end of the two air inlet pipes (11) is provided with a filter screen (12), the air inlet side of the air inlet pipe (11) is provided with a second opening and closing butterfly valve (13).

2. The wind speed stabilizing and adjusting device for the wind force yarn feeding system of the yarn winder according to claim 1, characterized in that: Each of the rolling machine groups (3) is connected with a tobacco conveying pipe (14), each of the tobacco conveying pipes (14) is connected with a tobacco feeder (15).

3. The wind speed stabilizing and regulating device for the wind force yarn feeding system of the yarn winder according to claim 1, characterized in that: The make-up air pipe (9) is provided with a first servo adjusting butterfly valve (10).

4. The wind speed stabilizing and regulating device for the wind force yarn feeding system of the yarn winder according to claim 1, wherein: The wind power conveying branch pipe (4) is provided with a second servo adjusting butterfly valve (16).

5. The wind speed stabilizing and regulating device for the wind force yarn feeding system of the yarn winder according to claim 1, characterized in that: The air outlet side of the exhaust pipe (6) is provided with a first silencer (17).

6. The wind speed stabilizing and regulating device for the wind force yarn feeding system of the yarn winder according to claim 1, wherein: The air inlet side of the air inlet pipe (11) is provided with a second silencer (18).

Citation Information

Patent Citations

  • Cigarette wind-force cut tobacco feeding wind-force balance system

    CN212212677U