CN216874985U - Atomizing device for filter stick forming machine - Google Patents

Abstract

The utility model relates to an atomizing device for a filter stick forming machine, which comprises at least two identical atomizing units which are connected in parallel, wherein each atomizing unit comprises an atomizing cover, an atomizing chamber and a liquid material supply system; an inlet groove and an outlet groove are respectively arranged at the upper end of the atomizing chamber, a group of upward nozzles are arranged in the atomizing chamber close to the inlet groove, a movable door is arranged in the spraying direction of the nozzles, and a backflow connector for recovering redundant liquid materials is arranged at the bottom of the atomizing chamber; and is respectively connected with the nozzle and the backflow interface through pipelines. The device can independently spray different liquid materials in units, realizes the functions of adding the plasticizer and the essence, is convenient to maintain and repair, can improve the production quality, saves production raw materials, realizes the closed-loop control of product control, and reduces the defective rate of products.

Description

Atomizing device for filter stick forming machine

Technical Field

The utility model relates to the technical field of cigarette production equipment, in particular to an atomizing device for a filter stick forming machine.

Background

The filter tip is an important component of cigarette, and is made up by using filter material (for example fibre tow for cigarette and paper material) as raw material, making them pass through the processes of rolling and making into circular filter stick with a certain length, then cutting and connecting them on the suction end of cigarette. The filter tip has a certain filtering function on smoke particle phase substances, can partially filter certain components in smoke, such as tar, nicotine and the like, reduces harmful substances in the smoke, relieves the contradiction between smoking and health, avoids uncomfortable feeling caused by sticking tobacco powder on lips, can indirectly reduce the consumption of single-box tobacco leaves, and improves the grade and value of products.

At present, the cigarette with the fragrant filter tip can improve the taste and improve the grade and the value of the product, and has better market prospect. Two common manufacturing processes of the filter tip with fragrance are as follows:

1. before the filter stick is formed, cotton threads soaked with essence are wrapped in tows through special equipment, and the manufacturing process needs complex production equipment and is high in manufacturing and maintenance cost;

2. the plasticizer and the essence additive are directly and simultaneously applied to the tows through the atomizing device before the filter stick is formed, the manufacturing process easily enables the tow plasticizer and the essence additive to be mutually interfered and doped, the phenomenon of uneven spraying is caused, the taste of the filter tip with the aroma is deviated, even part of the plasticizer and the essence additive are mixed simultaneously, reaction and solidification are caused, and the quality of the filter stick cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems of the existing atomizing device, the utility model provides the atomizing device for the filter stick forming machine, which can isolate the plasticizer and the essence additive from each other, does not influence and uniformly spray the plasticizer and the essence additive on tows, achieves the corresponding taste effect and improves the quality of filter sticks.

The utility model adopts the following technical scheme:

an atomizing device for a filter rod making machine, comprising:

the device comprises at least two identical atomization units which are connected in parallel, wherein each atomization unit comprises an atomization cover, an atomization chamber and a liquid material supply system, the atomization covers are connected with the atomization chambers, and the atomization chambers are connected with the liquid material supply system;

an inlet groove and an outlet groove are respectively arranged at the upper end of each atomizing chamber, a group of upward nozzles are arranged at the side, close to the inlet groove, inside the atomizing chamber, a movable door for controlling the size of a tow spraying surface is arranged in the spraying direction of the nozzles, and a backflow connector for recovering redundant liquid materials is arranged at the bottom of the atomizing chamber;

the liquid material supply system comprises a large liquid material box, the large liquid material box is connected with a small liquid material box of constant temperature and constant liquid through a pipeline, the small liquid material box is connected with a nozzle through a pump through a pipeline, and a backflow interface is connected with the small liquid material box through a pipeline.

Further, atomizing chamber upper end bilateral symmetry connects the bar connecting piece of a set of bulge of area, and both sides correspond and the inside bulge of direction forms the open business turn over mouth groove in upper end, are equipped with the hinge hole on the bulge of one side, and the hinge hole passes through pinhole cooperation and atomizing cover swing joint.

Further, be equipped with open-ended cross slab in the atomizer chamber, the cross slab divide into the atomizer chamber the silk bundle operation space on upper portion and the atomizing space of lower part, is equipped with the opening that corresponds with the nozzle position on the cross slab, connects the dodge gate on the opening, establish the drainage hole on the cross slab, drainage hole and atomizing space intercommunication.

Further, liquid material feed system includes big liquid material case, big liquid material case passes through the pipeline and is connected with the little liquid material case of the permanent liquid of constant temperature, and little liquid material case passes through the pipeline and is connected with the nozzle through the pump, and the backward flow interface passes through the pipeline and is connected with little liquid material case.

Further, a flow sensor is connected to a pipeline between the pump and the nozzle.

Further, the flow sensor is a clamp type flow sensor.

Furthermore, the atomizing cover is in an inverted V shape, and a visual window is arranged on the atomizing cover.

Furthermore, an observation window is arranged on the atomization chamber.

Furthermore, the nozzles are linearly and uniformly distributed and are orthogonal to the running direction of the tows.

Further, the pump is an adjustable pressure oil pump.

The utility model has the following beneficial effects: 1. the atomizing units which are independent from each other are adopted to ensure that atomized liquid materials do not interfere with each other and do not influence the uniform spraying on the tows, so that the requirements of gluing and perfuming production processes can be met, and the product quality is improved;

2. the flow sensor can sense the flow change in time, and reminds personnel to stop the machine for inspection once the nozzle is blocked, so that the production loss can be reduced, the defective rate can be reduced, and in addition, the clamp type flow sensor can be used for detecting under the conditions of no pipeline damage and no contact, so that the clamp type flow sensor has the advantages of flexible and convenient use;

3. the design of the hinged atomizing cover and the inlet and outlet grooves with openings at the upper ends can facilitate the installation of tows and the subsequent maintenance and overhaul of the device;

4. the nozzle is designed to be close to the position of the inlet groove, the tows flow into the bottom of the atomizing chamber under the action of the dead weight of the redundant liquid materials during the period of spraying the liquid materials to the outlet groove, so that the redundant liquid materials can be prevented from being accumulated on the output roller outside the device, the smooth proceeding of the subsequent production is ensured, and the product quality is also improved.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a schematic view of the structure of the atomizing hood;

FIG. 3 is a schematic view of the structure of the atomizing chamber;

FIG. 4 is a schematic view of a liquid feed system;

fig. 5 is a schematic diagram of the operation of the present invention.

Description of reference numerals: 1. an atomizing hood; 11. a visual window; 12. an inclined plane plate; 13. a vertical plate; 14. mounting holes; 15. small liquid beads; 2. an atomization chamber; 21. an inlet tank; 22. an outlet tank; 23. a nozzle; 24. a movable door; 25. a backflow interface; 26. an observation window; 27. a diaphragm plate; 28. a drainage hole; 3. a liquid material supply system; 31. a large liquid tank; 32. a small liquid tank; 33. a pump; 34. a flow sensor; 4. tow; 5. an output roller; 6. a strip-shaped connecting piece; 61. a projection; 62. a hinge hole.

Detailed Description

In order to make the utility model more clear, an atomizing device for a filter rod making machine according to the utility model is further described below with reference to the accompanying drawings, and the specific embodiments described herein are only for explaining the utility model and are not intended to limit the utility model.

The filter stick forming machine opens and glues the tows, then the tows are conveyed by the output roller to be rolled and formed, and then the tows are cut to form the filter stick. The embodiment is applied to a gluing process section, the triacetyl glycerine solution and the essence solution are respectively sprayed on the tows through the atomizing device, and the fragrant filter stick is obtained through subsequent forming.

As shown in figure 1, the atomizing device for the filter rod forming machine comprises two mutually independent atomizing units which are connected side by side, each atomizing unit comprises an atomizing cover 1, an atomizing chamber 2 and a liquid material supply system 3, the atomizing cover 1 is connected with the top of the atomizing chamber 2, and the atomizing chamber 2 is connected with the liquid material supply system 3.

As shown in fig. 2, the atomization hood 1 is formed by bending and welding stainless steel plates, and includes three inclined panels 12 and a vertical panel 13, the upper portions of the inclined panels 12 and the vertical panel 13 form a closed inverted "V" shape, the lower portions of the inclined panels 12 and the vertical panel 13 form a rectangular opening, and the rectangular opening is matched with the top of the atomization chamber 2. A viewing window 11 is provided on the vertical plate 13 at the front side, and a see-through area of the viewing window 11 may be made of glass or acryl. The underside of the plate opposite the vertical plate 13 is also provided with mounting holes 14 for forming a hinged fit.

As shown in fig. 3, the atomizing chamber 2 is a rectangular box body, the strip-shaped connecting pieces 6 are symmetrically connected with a set of protrusions 61 at the two sides of the upper end of the atomizing chamber 2, the protrusions 61 protrude inwards, the protruded surfaces are smooth and round, 3 protrusions 61 are arranged in each connecting piece 6 and are respectively distributed at the two ends and the middle, the protrusions 61 corresponding to the two sides form inlet and outlet grooves, specifically, the left side is an inlet groove 21, the right side is an outlet groove 22, and the two atomizing chambers are manufactured integrally, so that the middle notch is a common inlet and outlet notch. Seen from the front view of the inlet and outlet grooves, all the notches are collinear and present a U-shaped shape with an open upper end. The protruding part 61 close to the rear side is provided with a hinge hole 62, and the hinge hole 62 is connected with the mounting hole 14 in the atomizing cover 1 through pin-hole fit, so that the atomizing cover 1 and the atomizing chamber 2 form a movable hinge. The opened tows penetrate into the inlet groove 21 and penetrate out of the outlet groove 22, a group of nozzles 23 arranged on the bottom plate of the atomizing chamber 2 are arranged below the tows, the nozzles 23 are vertically arranged, liquid materials can be atomized and sprayed onto the tows, the number of the nozzles is 7, the liquid materials are linearly and uniformly distributed in a straight line shape, and the liquid materials are orthogonal to the running direction of the tows. The set of nozzles 23 is located generally adjacent to the inlet slot 21 so that the tow can be sprayed at the front end of its travel in the chamber 2 to provide sufficient space and time for the subsequent dripping and collection of excess liquid on the tow. The tow spraying device is characterized in that an open transverse partition plate 27 is arranged between tows and the nozzle 23, the open position corresponds to the position of the nozzle 23, the atomizing chamber 2 is divided into an upper tow running space and a lower atomizing space by the transverse partition plate 27, a movable door 24 for controlling the size of a tow spraying surface is connected to the opening of the transverse partition plate 27, the movable door 24 and a control structure of the movable door 24 are in the prior art, and the change of the tow spraying surface is realized by controlling the opening size of the movable door 24. All be equipped with a set of drainage hole 28 in the four corners position of cross slab 27, drainage hole 28 with unnecessary liquid material drainage to lower part atomizing space, set up a backward flow interface 25 that supplies unnecessary liquid material to retrieve on the inside bottom plate of atomizing space (being atomizer chamber 2 bottom plate), backward flow interface 25 is equipped with the awl mouth (not marking in the picture) of infundibulate with the bottom plate junction, can make things convenient for unnecessary liquid material to concentrate and collect. The return connection 25 and the nozzle 23 are both connected to the liquid supply system 3. Wherein, the nozzle 23 adopts a Danfoss nozzle with a flow rate of 2.0usgal/h and an atomization angle of 80 degrees (nozzles with flow rates of 1.25, 1.5 and 2.25 can be selected according to actual conditions). An observation window 26 is further provided on the front end face of each atomization chamber 2, and the perspective area of the observation window 26 is the same as that of the visible window 11. After the atomization chamber 2 is connected with the atomization cover 1, the observation window 26 and the visual window 11 are on the same side, which is convenient for people to observe.

As shown in fig. 4, each liquid supply system 3 includes a large liquid tank 31, the large liquid tank 31 is connected to a small liquid tank 32 with constant temperature and constant liquid through a pipeline, and the small liquid tank 32 is finally connected to a set of nozzles 23 through a pipeline sequentially passing through a pump 33, a flow sensor 34, and a distributor (not shown in the figure); the backflow connector 25 is connected with the small liquid tank 32 through a pipeline. The pump 33 is an adjustable pressure oil pump, and can adjust the supply pressure according to the liquid material condition; the flow sensor 34 is a clamp type flow sensor and is used for fluid non-contact detection, the problems of pollution, pressure loss, external leakage and the like do not exist in the flow sensor, and convenience is provided in use and maintenance; the distributor is prior art, and its effect is in distributing the liquid in the pipeline to each nozzle 23, can spray the break-make of every nozzle 23 of application volume independent control according to liquid material, changes and sprays the application volume, realizes liquid material distribution function, simultaneously, also makes whole pipeline overall arrangement more succinct, pleasing to the eye.

The atomization device is also provided with a man-machine exchange operation display screen, the parameters of the device can be set and adjusted, and the operation display screen is connected with related electric devices through a control system. The operation display screen, the control system and the related electric devices are all conventional in the art.

The working process is as follows:

preparation before operation: the prepared two liquid materials (glycerol triacetate solution and essence solution) are respectively filled into large liquid material boxes 31 which are mutually independent; and opening the atomizing cover 1, checking whether the opened tows (acetate fiber tows) correctly pass through the atomizing device, judging whether the relevant parameter setting of the equipment meets the process requirement of the filter stick, and starting to operate after the adjustment is finished.

The operation process comprises the following steps: in the liquid material supply system 3, the control system pumps the liquid material in the large liquid material box 31 into the small liquid material box 32 for adjustment and control of constant temperature and constant liquid, after the corresponding parameter requirements are met, the pump 33 with set pumping pressure monitors the flow of the liquid material through the flow sensor 34, and the liquid material is distributed by the distributor and atomized and sprayed out from the nozzle 23.

Meanwhile, in the right atomization chamber A and the left atomization chamber B which are integrated into a whole, as shown in fig. 5, the opened tows 4 enter from the inlet slot 21 of the atomization chamber A, the opening degree of the movable door 24 is adjusted, the glycerol triacetate solution is atomized by the nozzle 23 in the atomization chamber A and uniformly sprayed on the large surface of the lower side of the tows 4, the atomized liquid material sprayed on the tows 4 falls back to the bottom of the atomization chamber A under the shielding of the lower surface of the transverse partition plate 27 and the movable door 24, and in the process that the tows 4 run to the outlet slot 22 of the atomization chamber A, the redundant liquid material on the tows drops onto the upper surface of the transverse partition plate 27, and the redundant liquid material is guided to the bottom of the atomization chamber A through the drainage hole 28; part suspension contacts behind the inclined plane board 12 surface in the atomizing cover 1 liquid material, agglutinates into little liquid bead 15, and under the effect of gravity, little liquid bead 15 converges to the upper surface of lower extreme cross slab 27 along panel incline direction, flows into atomizing chamber A bottom through drainage hole 28, compares the atomizing cover of flat top, can prevent effectively that little liquid bead from dripping the silk bundle at random on, influence the rubberizing parameter, causes the quality hidden danger. The bottom of the atomizing chamber A is provided with a backflow connector 25 to guide redundant liquid materials into the small liquid material box 32 through a pipeline, so that the normal work of the parts such as the nozzle 23 and the like can be prevented from being influenced by too much liquid materials in the atomizing chamber A, the waste of the liquid materials can be reduced through recycling, and the production cost is saved.

The tow 4 sprayed with the triacetin solution comes out of the outlet slot 22 of the atomization chamber a and then enters the atomization chamber B, and the operation of the tow is the same as that of the atomization chamber a, and will not be described again. The difference is that the sprayed liquid material is essence solution. The filament bundle 4 comes out from the outlet groove 22 of the atomizing chamber B after being sprayed with the essence solution, and enters the subsequent forming process through the output roller 5.

During operation, the flow sensor 34 monitors the flow changes in the pipeline and sends signals to the control system for processing. When a certain nozzle is blocked or blocked, the flow rate of liquid in the related pipeline is changed, a starting signal of the flow rate sensor 34 which detects the change of the flow rate is transmitted to a processor in the control system, the processor compares and judges a preset threshold value, and if the threshold value is exceeded, the processor sends an instruction to a host machine, so that the host machine gives an alarm and stops.

In the embodiment, the design structure of the mutually independent atomization units is adopted, so that the atomized liquid materials can be ensured not to interfere and influence with each other; the spray nozzles 23 which are orthogonal to the filament bundles and are uniformly distributed in a straight line can improve the uniformity of spraying; the flow sensor 34 can sense the flow change, timely know the nozzle blockage condition and remind personnel of stopping for inspection, and in addition, the clamp type flow sensor has no pollution, pressure loss and leakage problems, and is more flexible and convenient to use; the hinged atomizing cover 1 is movably hinged with the atomizing chamber 2, so that the subsequent maintenance and overhaul of the atomizing chamber 2 are facilitated, the upper ends of the inlet and outlet grooves are open, tows are convenient to mount, small liquid drops can be collected and guided due to the inverted V-shaped top design of the atomizing cover 1, and the phenomenon that the quality of the tows is interfered by the dropping of the liquid drops is reduced; the design that the nozzle 23 is close to the inlet groove 21 facilitates the subsequent filament bundles to remove redundant liquid materials, prevents the redundant liquid materials from being accumulated on the output roller 5 outside the device, and ensures the smooth proceeding of the subsequent process; the supply pressure of the system is adjusted according to the technological requirements of liquid materials through the adjustable pressure oil pump, and the applicability of the device is improved.

According to the process requirements of different filter sticks, a plurality of mutually independent atomizing units can be connected side by side, so that the combined spraying of a plurality of groups of different ingredient solutions is realized, and the requirements of diversified design and production of filter stick products are met.

In conclusion, the utility model can independently spray different liquid materials in units under the condition of mutual noninterference, and the addition of the plasticizer and various essences is completed in the gluing process and before the tow forming. In addition, the utility model has convenient maintenance and repair, can improve the production quality, save production raw materials, integrally realize closed-loop control of a product control link and reduce the defective rate of products.

Claims (10)

1. An atomizing device for a filter rod making machine, comprising:

the device comprises at least two identical atomization units which are connected in parallel, wherein each atomization unit comprises an atomization cover (1), an atomization chamber (2) and a liquid material supply system (3), the atomization covers (1) are connected with the atomization chambers (2), and the atomization chambers (2) are connected with the liquid material supply systems (3);

an inlet groove (21) and an outlet groove (22) are respectively arranged at the upper end of each atomizing chamber (2), a group of upward nozzles (23) are arranged at the side, close to the inlet groove (21), in each atomizing chamber (2), a movable door (24) for controlling the size of a tow spraying surface is arranged in the spraying direction of each nozzle (23), and a backflow interface (25) for recovering redundant liquid materials is arranged at the bottom of each atomizing chamber (2);

the liquid material supply system (3) is respectively connected with the nozzle (23) and the backflow interface (25) through pipelines.

2. An atomising device for a filter rod making machine as claimed in claim 1, characterised in that: atomizing chamber (2) upper end bilateral symmetry connects bar connecting piece (6) of a set of bulge (61) of area, and both sides correspond and the inside bulge (61) of direction forms the open business turn over mouth groove in upper end, is equipped with hinge hole (62) on bulge (61) of one side, and hinge hole (62) are through pinhole cooperation and atomizing cover (1) swing joint.

3. An atomising device for a filter rod making machine as claimed in claim 1 or 2, wherein: be equipped with horizontal baffle (27) in atomizer chamber (2), horizontal baffle (27) divide into atomizer chamber (2) the silk bundle operating space on upper portion and the atomizing space of lower part, are equipped with the opening that corresponds with nozzle (23) position on horizontal baffle (27), connect dodge gate (24) on the opening, establish drainage hole (28) on horizontal baffle (27), drainage hole (28) and atomizing space intercommunication.

4. An atomizing device for a filter rod making machine according to claim 3, characterized in that: liquid material feed system (3) are including big liquid workbin (31), big liquid workbin (31) are connected with the permanent liquid little liquid workbin (32) of constant temperature through the pipeline, and little liquid workbin (32) are connected with nozzle (23) through pipeline through pump (33), and backward flow interface (25) are connected with little liquid workbin (32) through the pipeline.

5. An atomising device for a filter rod making machine as claimed in claim 4, in which: a flow sensor (34) is connected on a pipeline between the pump (33) and the nozzle (23).

6. An atomising device for a filter rod making machine as claimed in claim 5, in which: the flow sensor (34) is a clamp type flow sensor.

7. An atomising device for a filter rod making machine as claimed in claim 1, characterised in that: the atomizing cover (1) is in an inverted V shape, and a visual window (11) is arranged on the atomizing cover.

8. An atomising device for a filter rod making machine as claimed in claim 1, characterised in that: an observation window (26) is arranged on the atomizing chamber (2).

9. An atomizing device for a filter rod making machine according to claim 1, characterized in that: the nozzles (23) are uniformly distributed in a straight line and are orthogonal to the running direction of the tows.

10. An atomizing device for a filter rod making machine according to claim 4, characterized in that: the pump (33) is an adjustable pressure oil pump.

Images