Tobacco shred feeding mechanism and tobacco shred feeding machine

By introducing a control ball valve and elastic element into the tobacco feeder to regulate the amount of tobacco fed, and combining it with a cross-shaped diverter and a feeding roller, the problem of uneven tobacco distribution in the tobacco feeder was solved, thus improving the quality and efficiency of cigarette production.

CN223943766UActive Publication Date: 2026-02-27CHINA TOBACCO GUANGXI IND
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Patent Information

Application Number
CN202423314131.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-27
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The uneven air pressure in the multiple negative pressure pipes of traditional tobacco feeders leads to inconsistent tobacco feed rates, resulting in uneven distribution of tobacco in the cigarette processing equipment, causing problems such as blockage and clumping, which affects the quality and consistency of cigarette taste.

Method used

The device employs a tobacco feeding adjustment mechanism, including a volume control ball valve and a volume control elastic element. The amount of tobacco entering the device is adjusted by regulating the distance between the volume control ball valve and the negative pressure pipeline. It is also equipped with a cross-shaped flow divider and a feeding roller to ensure uniform distribution of tobacco.

Benefits of technology

This achieves uniform distribution of tobacco shreds in the cigarette rolling equipment, avoiding clogging and clumping, and improving the forming quality and product qualification rate of cigarettes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cut tobacco feeding mechanism and a cut tobacco feeder, and relates to the technical field of tobacco processing, the cut tobacco feeding mechanism comprises a cut tobacco storage hopper, the cut tobacco storage hopper is provided with a feeding port and a blanking port, the blanking port is connected with a buffer box, the buffer box is provided with a plurality of negative pressure pipelines, a cut tobacco outlet adjusting device is arranged in the buffer box, and the cut tobacco outlet adjusting device comprises a supporting shaft connected with the buffer box. An adjusting guide rod extending towards the negative pressure pipeline is arranged on the supporting shaft, a quantity control ball valve is connected to the adjusting guide rod in a sliding mode, a quantity control elastic piece is arranged on the adjusting guide rod, and the quantity control elastic piece is connected with the quantity control ball valve; in the tobacco shred outlet adjusting device, a quantity control ball valve slides on an adjusting guide rod, a quantity control elastic piece on the adjusting guide rod is connected with the quantity control ball valve, and the position of the ball valve is changed according to the negative pressure of a negative pressure pipeline, so that the effective sectional area of tobacco shreds entering the negative pressure pipeline is adjusted, and the tobacco shred inlet quantity is controlled; and the sealing cover prevents the tobacco shreds from influencing the sliding of the ball valve.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tobacco processing technology, especially a tobacco feeding mechanism and a tobacco feeder. BACKGROUND

[0002] In the field of tobacco processing, as a key device, the uniformity of tobacco feeding of the tobacco feeder plays a crucial role in the quality of cigarette production. With the continuous development of production technology, the requirement for uniform distribution of tobacco in the processing process is becoming increasingly strict.

[0003] Traditional tobacco feeders are usually equipped with multiple negative pressure pipelines to realize the delivery and distribution of tobacco. However, in actual feeding operation, due to the influence of various factors, the air pressure in each negative pressure pipeline is difficult to keep completely consistent, and even slight air pressure differences can cause significant problems. This imbalance in air pressure directly leads to differences in the amount of tobacco fed into each pipeline, and when the tobacco enters the subsequent cigarette processing equipment, uneven distribution occurs immediately, and in some areas, excessive accumulation of tobacco may cause blockage, clumping, and other phenomena during processing, which seriously affects the forming quality and taste consistency of cigarettes; while in other areas, insufficient amount of tobacco may lead to substandard cigarette weight or the production of defective products such as empty heads and loose ends, greatly reducing the product's pass rate and market competitiveness. SUMMARY

[0004] The purpose of the utility model is to provide a tobacco feeding mechanism and a tobacco feeder, which solves the problem of uneven distribution of tobacco in the processing of cigarette equipment caused by the difference in the amount of tobacco fed into each pipeline due to the slight difference in air pressure of each pipeline in the multiple negative pressure pipelines of the existing technology.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a tobacco feeding mechanism and a tobacco feeder, comprising a tobacco storage hopper, the tobacco storage hopper has a feeding port and a discharging port, the discharging port is connected with a buffer tank, a plurality of negative pressure pipelines are arranged on the buffer tank, an out-tobacco adjusting device is arranged in the buffer tank, the out-tobacco adjusting device comprises a supporting shaft connected with the buffer tank, an adjusting guide rod extending towards the negative pressure pipeline is arranged on the supporting shaft, a quantity control ball valve is slidably connected to the adjusting guide rod, a quantity control elastic member is arranged on the adjusting guide rod, and the quantity control elastic member is connected with the quantity control ball valve.

[0006] Further, a discharging port is arranged in the buffer tank, and the negative pressure pipeline is connected to the inside of the buffer tank through the discharging hole.

[0007] Further, the adjusting guide rod is provided with a guide sliding groove, the control ball valve is provided with a sliding block connected with the adjusting guide rod, the sliding block is provided with a transmission rod, the transmission rod is located in the guide sliding groove, and the control elastic element is in abutment with the transmission rod.

[0008] Further, the two sides of the sliding block are provided with covers which are slidingly connected with the adjusting guide rod and located outside the guide sliding groove.

[0009] Further, the negative pressure pipeline is provided with a flow dividing plate which is a cross structure and located close to one side of the discharge port.

[0010] Further, the top of the supporting shaft is rotatably provided with a stirring roller, and the bottom of the buffer box is provided with a driving motor, and the output end of the driving motor is connected with the stirring roller.

[0011] Further, the stirring roller comprises a rotating shaft, a fixed stirring column and a movable stirring column, the rotating shaft is connected with the output end of the driving motor, the fixed stirring column is upwardly fixedly connected with the rotating shaft, and the movable stirring column is downwardly fixedly connected with the rotating shaft.

[0012] Further, the bottom end of the movable stirring column is provided with a transversely arranged auxiliary stirring column.

[0013] Compared with the prior art, the present application has the advantages that;

[0014] The present application solves the problem that the multiple negative pressure pipelines of the existing feeding machine have different air pressures, so that the tobacco entering amount of each pipeline is different, and the tobacco is unevenly distributed in the cigarette processing equipment.

[0015] The present application has the advantages that the control ball valve is slidingly connected with the adjusting guide rod, the adjusting guide rod faces the negative pressure pipeline, the distance between the control ball valve and the air inlet of the negative pressure pipeline can be adjusted, the control elastic element is connected with the control ball valve, when the negative pressure in the negative pressure pipeline is greater, the suction force of the control ball valve is greater, so that the control ball valve is closer to the negative pressure pipeline, the volume of the control ball valve blocks more paths of the tobacco entering the negative pressure pipeline, the effective cross-sectional area of the tobacco entering the negative pressure pipeline is changed, and the amount of the tobacco entering the negative pressure pipeline is reduced, the control elastic element balances and adjusts the control ball valve, when the negative pressure is reduced, the elastic force of the control elastic element can restore the control ball valve to the original position, and the control ball valve can flexibly adjust the tobacco entering amount according to the negative pressure. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings:

[0017] Figure 1 A tobacco feeding mechanism and a whole structure schematic diagram of a tobacco feeding machine according to the present application;

[0018] Figure 2 A structure schematic diagram of a buffer box according to the present application;

[0019] Figure 3 An internal structure schematic diagram of the buffer box according to the present application;

[0020] Figure 4 A structure schematic diagram of a guide chute according to the present application;

[0021] Figure 5 A position schematic diagram of a transmission rod according to the present application;

[0022] Figure 6 An internal structure schematic diagram of an adjusting guide rod according to the present application;

[0023] Figure 7 A whole structure schematic diagram of a tobacco outlet adjusting device according to the present application.

[0024] In the figure: 1 tobacco storage hopper, 11 feeding port, 12 discharging port, 2 buffer box, 21 discharging port, 3 negative pressure pipeline, 31 shunt plate, 4 tobacco outlet adjusting device, 41 supporting shaft, 42 adjusting guide rod, 421 guide chute, 43 quantity control ball valve, 431 sliding block, 432 transmission rod, 433 cover, 434 quantity control elastic member, 5 stirring roller, 51 rotating shaft, 52 fixed stirring column, 53 movable stirring column, 54 auxiliary stirring column, 6 driving motor. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0026] The technical scheme of the present application will be described in detail below with specific embodiments. The following specific embodiments can be combined or replaced according to actual conditions, and the same or similar concepts or processes can not be described in some embodiments.

[0027] For example, Figures 1 to 7The utility model provides a tobacco feeding mechanism and silk feeder, including the silk storage hopper 1, the silk storage hopper 1 has the feed inlet 11 and the blanking hole 12, the blanking hole 12 is connected with the buffer box 2, be equipped with a plurality of negative pressure pipeline 3 on the buffer box 2, be equipped with the silk outlet adjusting device 4 in the buffer box 2, the silk outlet adjusting device 4 includes the support shaft 41 connected with the buffer box 2, be equipped with the adjusting guide rod 42 of the extension towards negative pressure pipeline 3 on the support shaft 41, the adjusting guide rod 42 is slidably connected with the control ball valve 43, be equipped with the control elastic member 434 on the adjusting guide rod 42, the control elastic member 434 is connected with the control ball valve 43.

[0028] The feed inlet 11 is arranged above the silk storage hopper 1, and the discharge port 21 is arranged at the bottom of the silk storage hopper 1; the finished tobacco enters the silk storage hopper from the feed inlet 11; the circular buffer box 2 is arranged below the discharge port 21; the buffer box 2 has a buffer space; the tobacco falls into the buffer box 2 from the discharge port 21; the buffer box 2 is connected with three negative pressure pipelines 3, so that the tobacco can be delivered to three conveying lines respectively; the control ball valve 43 installed in the buffer box 2 is slidably connected to the adjusting guide rod 42; the adjusting guide rod 42 is directed towards the negative pressure pipeline 3, that is, the control ball valve 43 can slide on the adjusting guide rod 42, so that the distance between the control ball valve 43 and the air inlet of the negative pressure pipeline 3 can be adjusted; the control elastic member 434 is arranged on the adjusting guide rod 42 and connected to the control ball valve 43; that is, when the negative pressure in the negative pressure pipeline 3 is greater, the suction force on the control ball valve 43 is greater, so that the control ball valve 43 is closer to the negative pressure pipeline 3; the volume of the control ball valve 43 blocks more paths of the tobacco entering the negative pressure pipeline 3, changes the effective cross-sectional area of the tobacco entering the negative pressure pipeline 3, and reduces the amount of the tobacco entering the negative pressure pipeline 3; the control elastic member 434 balances and adjusts the position of the control ball valve 43 when the negative pressure decreases.

[0029] The buffer box 2 is internally connected to the negative pressure pipeline 3 through the discharge hole.

[0030] The adjusting guide rod 42 is provided with a guide sliding groove 421, the control amount ball valve 43 is provided with a sliding block 431 connected with the adjusting guide rod 42, the sliding block 431 is provided with a transmission rod 432, the transmission rod 432 is located in the guide sliding groove 421, and a control amount elastic piece 434 is in abutment with the transmission rod 432; the guide sliding groove 421 is a rectangular guide sliding groove 421 opened along the center line direction of the adjusting guide rod 42, the guide sliding groove 421 penetrates the adjusting guide rod 42, the control amount ball valve 43 is provided with a cylindrical sliding block 431, the sliding block 431 can slide on the adjusting guide rod 42, the transmission rod 432 in the sliding block 431 is located in the guide sliding groove 421, the control amount elastic piece 434 can adopt an elastic rope, a spring or a memory elastic piece, the spring is adopted as the control amount elastic piece 434 in the utility model, is easy to obtain, has a long service life, one end of the control amount elastic piece 434 is fixedly connected in the adjusting guide rod 42, the other end is fixedly connected on the transmission rod 432, that is, the transmission rod 432 is located in the guide sliding groove 421, can limit the sliding distance of the sliding block 431, avoids the sliding block 431 from sliding out of the adjusting guide rod 42, can also determine the sliding stability of the sliding block 431 and the control amount adjusting ball, and the elastic force of the control amount elastic piece 434 needs to be selected and adjusted according to the pressure of the negative pressure pipeline 3 in the factory.

[0031] The diameter of the control amount ball valve 43 is greater than or equal to the inner diameter of the discharge port 21; when the air pressure of the negative pressure pipeline 3 is too large, the control amount ball valve 43 can completely block the discharge port 21, and the channel is temporarily closed.

[0032] Both sides of the sliding block 431 are provided with a cover 433 in sliding connection with the adjusting guide rod 42 and located outside the guide sliding groove 421; the cover 433 slides along with the sliding of the control amount valve ball, and the cover 433 can always cover the guide sliding groove 421, so that the tobacco is prevented from falling into the guide sliding groove 421, the sliding of the control amount ball valve 43 is affected, and the control amount ball valve 43 controls the tobacco output.

[0033] The negative pressure pipeline 3 is provided with a flow dividing plate 31 close to one side of the discharge port 21, and the flow dividing plate 31 is in a cross structure; the flow dividing plate 31 is in a cross structure, the tobacco discharged from the discharge port 21 is further dispersed when entering the negative pressure pipeline 3, so that the tobacco is more fully contacted with the airflow in the negative pressure pipeline 3, and the adsorption force of the negative pressure on each part of the tobacco can be more uniformly exerted. Compared with the concentrated tobacco entering the pipeline, the dispersed tobacco can be adsorbed and conveyed by the negative pressure in a shorter time, effectively improving the conveying efficiency of the tobacco and avoiding the influence of the negative pressure adsorption effect due to the accumulation of the tobacco.

[0034] A driving motor 6 is arranged at the bottom of the buffer box 2, and the output end of the driving motor 6 is connected with a stirring roller 5 arranged at the top of the supporting shaft 41. During the storage and buffering stage, the tobacco is easily clumped due to the effect of environmental factors such as humidity and pressure. At this time, the driving motor 6 is started to drive the stirring roller 5 to continuously and stably rotate, and the tobacco in the buffer box 2 is periodically stirred. The stirring effect of the stirring roller 5 can effectively break the clumped tobacco and gradually restore the tobacco to a loose state, so as to ensure that the tobacco can smoothly enter the negative pressure pipeline 3 in a uniform and loose state, provide a good material basis for the subsequent production process, and ensure the efficiency and stability of the production process.

[0035] The stirring roller 5 comprises a stirring roller 51, a fixed stirring column 52 and a movable stirring column 53. The stirring roller 51 is connected with the output end of the driving motor 6. The fixed stirring column 52 is upwardly fixed and connected with the stirring roller 51. The movable stirring column 53 is downwardly fixed and connected with the stirring roller 51. The stirring roller 51 is transversely connected at the top end of the supporting column through a bearing. The output end of the driving motor 6 penetrates through the inside of the supporting column and extends to the top of the supporting column to be connected with the stirring roller 51. The fixed stirring column 52 is vertically connected with the stirring roller 51 and upwardly arranged. The fixed stirring column 52 can better stir the tobacco and break the tobacco. The movable stirring column 53 is a circular ring rotatably connected with the stirring roller 51. A downwardly arranged cylinder is arranged on the circular ring. When the stirring roller 51 rotates, the downwardly arranged movable stirring column 53 will collide with the adjusting guide rod 42. When the movable stirring column 53 collides with the adjusting guide rod 42, the movable stirring column 53 will rotate to pass the adjusting guide rod 42. Thus, the tobacco below the adjusting guide rod 42 can be stirred and broken, and the adjusting guide rod 42 will not be interfered.

[0036] The bottom end of the movable stirring column 53 is provided with a transversely arranged auxiliary stirring column 54. The auxiliary stirring column 54 is upwardly arranged to improve the effect of breaking the tobacco by the movable stirring column 53, and the auxiliary stirring column 54 will not interfere with the adjusting guide rod 42.

[0037] The utility model solves the problem of the uneven distribution of tobacco in the processing of cigarette equipment caused by the different tobacco feeding amount of each pipeline due to the slight difference of air pressure of each pipeline in the feeding of the prior art tobacco feeding machine, and the utility model relates to a tobacco feeding mechanism and a tobacco feeding pipeline, which mainly comprises a tobacco storage hopper, a buffer box, a negative pressure pipeline and a tobacco outlet adjusting device. The tobacco enters the tobacco storage hopper from the upper inlet, falls into the buffer box through the bottom outlet, and the buffer box is connected with three negative pressure pipelines for feeding tobacco to different conveying lines. The principle is that in the tobacco outlet adjusting device, the control ball valve slides on the adjusting guide rod, the control elastic element on the adjusting guide rod is connected with the control ball valve, the position of the ball valve is changed according to the negative pressure of the negative pressure pipeline, so that the effective cross-sectional area of the tobacco entering the negative pressure pipeline is adjusted, and the tobacco feeding amount is controlled; meanwhile, the transmission rod in the sliding block cooperates with the control elastic element to ensure the stable sliding and limiting, and the cover prevents the tobacco from affecting the sliding of the ball valve. The cross-shaped flow divider of the negative pressure pipeline disperses the tobacco and improves the conveying efficiency. The driving motor at the bottom of the buffer box drives the stirring roller to rotate, and the movable stirring column and the auxiliary stirring column can scatter the tobacco without interfering with the adjusting guide rod.

[0038] In addition to the above preferred embodiments, the utility model has other implementation manners, and all other embodiments obtained by those skilled in the art based on the embodiments in the utility model without creative labor belong to the range of the utility model.

Claims

1. A tobacco feed mechanism and feeder comprising a tobacco storage hopper, said storage hopper having an inlet and a discharge, characterised in that, The blanking port is connected with a buffer box, a plurality of negative pressure pipelines are arranged on the buffer box, a wire discharging adjusting device is arranged in the buffer box, the wire discharging adjusting device comprises a supporting shaft connected with the buffer box, an adjusting guide rod extending towards the negative pressure pipeline is arranged on the supporting shaft, a quantity control ball valve is slidably connected on the adjusting guide rod, a quantity control elastic member is arranged on the adjusting guide rod, and the quantity control elastic member is connected with the quantity control ball valve.

2. A tobacco feed mechanism and feeder according to claim 1, wherein, A discharging port is arranged in the buffer box, and the negative pressure pipeline is connected with the inside of the buffer box through the discharging port.

3. A tobacco feed mechanism and feeder according to claim 1, wherein, A guide sliding groove is arranged on the adjusting guide rod, a sliding block of the adjusting guide rod is arranged in the quantity control ball valve, a transmission rod is arranged in the sliding block, the transmission rod is located in the guide sliding groove, and the quantity control elastic member abuts against the transmission rod.

4. A tobacco feed mechanism and feeder according to claim 2, wherein The diameter of the quantity control ball valve is greater than or equal to the inner diameter of the discharging port.

5. A tobacco feed mechanism and feeder according to claim 3, wherein, Both sides of the sliding block are provided with a cover which is slidably connected with the adjusting guide rod and located outside the guide sliding groove.

6. A tobacco feed mechanism and feeder according to claim 2, wherein A shunt plate is arranged on one side of the negative pressure pipeline close to the discharging port, and the shunt plate is a cross structure.

7. A tobacco feed mechanism and feeder according to claim 1, wherein A top of the supporting shaft is rotatably provided with a material stirring roller, a bottom of the buffer box is provided with a driving motor, and an output end of the driving motor is connected with the material stirring roller.

8. A tobacco feed mechanism and feeder according to claim 7, wherein, The material stirring roller comprises a rotating shaft, a fixed material stirring column and a movable material stirring column, the rotating shaft is connected with the output end of the driving motor, the fixed material stirring column is upwardly fixedly connected with the rotating shaft, and the movable material stirring column is downwardly fixedly connected with the rotating shaft.

9. A tobacco feed mechanism and feeder according to claim 8, wherein, A bottom end of the movable material stirring column is provided with a transversely arranged auxiliary material stirring column.