CN212787407U - Cavity forming and particle applying device - Google Patents

Abstract

The invention provides a cavity forming and particle applying device, relates to the field of tobacco products, and particularly relates to a cavity forming and particle applying device which comprises a feeding assembly, a sleeve and a core rod, wherein the feeding assembly is used for releasing particles; or the device comprises an applying wheel and a sleeve for conveying the acetate fiber tow band, wherein a second material sucking hole and a third quantitative hole are formed in the applying wheel, the sleeve is arranged below the applying wheel, and the sleeve is connected with a fifth air pressure pipeline. The process adopted by the invention enables the cavity in the cigarette or the filter stick and the feeding step to be simultaneously carried out, is suitable for large-scale production and has lower manufacturing cost.

Description

Cavity forming and particle applying device

Technical Field

The invention relates to the field of tobacco products, in particular to a cavity forming and particle applying device.

Background

The cigarette or filter stick produced in the prior art is firstly formed into a cavity filter stick and a particle filter stick separately, then the cavity filter stick and the particle filter stick are compounded into a binary or multi-element composite filter stick, and then the binary or multi-element composite filter stick is further processed into the cigarette. The cigarette has complex structure, long production process, high manufacturing cost and poor cooling and aroma-enhancing effects. In the cavity filter stick forming process, a core rod is used for forming a cavity, and the core rod does not move, so that the cavity section is in a through shape and can not form a football shape or arc-shaped surfaces at two ends of the cavity; the particle filter stick forming process mainly comprises the steps of directly dispersing particles in tows and then wrapping and forming the tows by using forming paper.

Disclosure of Invention

The process adopted by the invention enables the cavity in the cigarette or the filter stick and the feeding step to be simultaneously carried out, obviously improves the production efficiency, is suitable for large-scale production and has lower manufacturing cost.

A cavity forming and particle applying device comprises a feeding assembly for releasing particles, a sleeve for conveying an acetate tow band and a core rod for forming a cavity, wherein a second quantitative hole is formed in the feeding assembly, the sleeve is arranged below the feeding assembly, a fifth air pressure pipeline is arranged on the sleeve, the core rod is arranged in the sleeve and can horizontally move, and the moving range of the core rod is within the steam spraying range conveyed by the fifth air pressure pipeline;

or

The acetate fiber tow band applying device comprises an applying wheel and a sleeve for conveying an acetate fiber tow band, wherein a second material sucking hole and a third quantitative hole are formed in the applying wheel, the sleeve is arranged below the applying wheel, and the sleeve is connected with a fifth air pressure pipeline.

Preferably, the steam conveyed in the fifth pneumatic pipeline is supersaturated steam.

Preferably, still including providing the material subassembly of inhaling of granule material, inhale the material subassembly and include granule feed bin, first material wheel, first gas distribution cover, first atmospheric pressure pipeline and second atmospheric pressure pipeline of inhaling, first material wheel is last to be provided with first ration hole, first gas distribution cover communicates with each other with first material wheel of inhaling, first atmospheric pressure pipeline, second atmospheric pressure pipeline communicate with each other with first gas distribution cover, first atmospheric pressure pipeline carries out the negative pressure and breathes in, the second atmospheric pressure pipeline carries out the malleation and blows, the region that the second atmospheric pressure pipeline covers at least one first ration hole makes the granule material released.

Preferably, reinforced subassembly includes arch, second gas distribution cover, third atmospheric pressure pipeline and fourth atmospheric pressure pipeline, second ration hole sets up in the arch, third atmospheric pressure pipeline and fourth atmospheric pressure pipeline communicate with each other with second gas distribution cover, fourth atmospheric pressure pipeline covers the region in at least one second ration hole, the third atmospheric pressure pipeline carries out the negative pressure and breathes in, the fourth atmospheric pressure pipeline carries out the malleation and blows, the second ration hole can hold the granule that first ration hole is liberated.

Preferably, the dry ice sucking assembly comprises a dry ice bin, a bin constant temperature system, a first sucking hole, a third sucking wheel, a sixth air pressure pipeline, a seventh air pressure pipeline and a third air distribution sleeve, the bin constant temperature system is connected with the dry ice bin, the third sucking wheel is communicated with the third air distribution sleeve, the third sucking wheel is provided with the first sucking hole, the sixth air pressure pipeline and the seventh air pressure pipeline are respectively connected with the third air distribution sleeve, the sixth air pressure pipeline sucks air under negative pressure, the seventh air pressure pipeline blows air under positive pressure, and the seventh air pressure pipeline covers the area of at least one first sucking hole, so that the dry ice is released.

Preferably, the wheel of exerting still is provided with, fourth distribution of gas cover, eighth atmospheric pressure pipeline, ninth atmospheric pressure pipeline, it communicates with each other with fourth distribution of gas cover to exert the wheel, it inhales the material hole to set up third ration hole and second on the wheel to exert, the granule that first ration hole is liberated can be held in the third ration hole, the dry ice that first material hole of inhaling is liberated can be held in the second material hole of inhaling, fourth distribution of gas cover eighth atmospheric pressure pipeline, ninth atmospheric pressure pipeline link to each other, ninth atmospheric pressure pipeline covers at least one adjacent second and inhales material hole and third ration hole, eighth atmospheric pressure pipeline carries out the negative pressure and breathes in, ninth atmospheric pressure pipeline carries out the malleation and blows.

Use of the device in the manufacture of a smoking article.

The length of the cavity of the cigarette or the filter stick manufactured by the device is 3mm-50 mm.

Preferably, the cross-section of the cavity may be one of circular, rectangular, triangular, and gear-type.

Preferably, the particles may be a combination of one or more of tobacco powder, activated carbon particles, starch particles, coffee particles.

Advantageous effects

(1) The process realizes simultaneous implementation of the cavity and the feeding step, shortens the process flow, obviously improves the production efficiency and reduces the production cost;

(2) the variable cross-section cavity structure of the invention enables the flue gas path to be lengthened, the residence time of the flue gas in the filtering section to be increased, and the arc-shaped cross section changes the flow state of the flue gas from laminar flow to turbulent flow, so that the flue gas is guided to impact aroma-increasing particles more intensively, and the cooling effect and the aroma-increasing effect of the flue gas are obviously increased;

drawings

FIG. 1 is a schematic diagram of a cigarette or filter stick structure;

figure 2 is a schematic diagram of the structure of a smoking section produced using the apparatus of example 1 or example 2;

FIG. 3 is a schematic cross-sectional view of a particle;

FIG. 4 is a schematic view of a cavity structure;

FIG. 5 is a schematic diagram of a disordered tobacco shred structure in a smoking section;

FIG. 6 is a schematic view of the overall structure of the processing apparatus;

FIG. 7 is a schematic view of a position structure of an embodiment 1 of a cavity grain processing apparatus;

FIG. 8 is a schematic diagram of a second position structure of an embodiment 1 of a cavity particle processing device;

FIG. 9 is a schematic structural view of an embodiment 2 of a cavity granule processing apparatus;

the reference numerals in the figures denote the following meanings: 1. a smoking section; 2. a smoking segment; 3. tipping paper; 4. a smoking section forming paper; 5. cigarette paper; 6. a smoking section forming paper; 7. a proximal lip segment; 8. particles; 9. acetate fiber tows; 10. a cavity; 11. disorder tobacco shreds; 12. Acetate tow bands; 13. a first air opener; 14. a second air opener; 15. a stabilizing roller; 16. a first mechanical opening roller; 17. a second mechanical opening roller; 18. a third air opener; 19. a binder spraying chamber; 20. an output roller; 21. a filament catcher; 22. a cavity particle processing device; 23. a smoking pipe; 24. a cutter head; 25. a forming paper supply device; 26. a particle bin; 27. A first dosing hole; 28. a first suction wheel; 280. a first gas distribution sleeve; 29. a first negative pressure region; 30. a first pneumatic line; 31. A second pneumatic line; 32. a first positive pressure region; 33. a particle suction assembly; 34. a feeding assembly; 340. a protrusion; 35. a second negative pressure region; 350. a second gas distribution sleeve; 36. a second quantification aperture; 360. a second positive pressure region; 37. a third pneumatic line; 38. A fourth pneumatic line; 39. a fifth pneumatic line; 40. a sleeve; 41. a core rod; 42. a limiting device; 43. a dry ice suction assembly; 44. a dry ice bin; 45. a third negative pressure region; 46. a first suction port; 47. a third suction wheel; 48. a sixth pneumatic line; 49. a seventh pneumatic line; 50. a third gas distribution sleeve; 51. a third positive pressure region; 52. a fourth negative pressure region; 53. a second suction hole; 54. a fourth positive pressure region; 55. a third quantification aperture; 56. an application wheel; 57. a fourth gas distribution sleeve; 58. an eighth pneumatic line; 59. a ninth pneumatic line.

Detailed Description

Example 1

Fig. 7 and 8 are schematic views of the position 1 and the position 2 of the first embodiment of the present invention. A cavity particle simultaneous feeding device mainly comprises a particle suction assembly 33, a feeding assembly 34, a sleeve 40 and a core rod 41.

The particle suction assembly 33 comprises a particle bin 26, a first dosing hole 27, a first suction wheel 28, a first gas distribution sleeve 280, a first negative pressure zone 29, a first pneumatic line 30, a second pneumatic line 31, a first positive pressure zone 32. The first air distribution sleeve 280 and the first material suction wheel 28 are coaxially arranged from inside to outside in sequence, the axle centers of the first air distribution sleeve 280 and the first material suction wheel 28 are horizontal, the first air distribution sleeve 280 is fixed, and the first material suction wheel 28 can rotate. A part of the first suction wheel 28 is embedded in the particle bin 26 to facilitate suction, and a plurality of first quantitative holes 27 are arranged on the first suction wheel 28 at intervals, and the number of the first quantitative holes 27 is preferably 2-100. The first air distribution sleeve 280 is communicated with the first suction wheel 28, one end of the first air distribution sleeve 280 close to the particle bin 26 is connected with the first air pressure pipeline 30, the second air pressure pipeline 31 is connected with one end of the first air distribution sleeve 280 far away from the particle bin 26, negative pressure suction exists in the first air pressure pipeline 30, positive pressure blowing exists in the second air pressure pipeline 31, the first air distribution sleeve 280 is divided into two parts, namely a first negative pressure area 29 and a first positive pressure area 32, the first positive pressure area 32 at least covers the area where the first quantitative hole 27 is located, and the rest parts are all partially covered by the first negative pressure area 29. In operation, the first air distribution sleeve 280 is fixed, the first suction wheel 28 is rotatable, the first suction wheel 28 sucks material from the particle bin 26 under the action of negative pressure, stores the material into the first quantitative hole 27, rotates to a particle release position, and blows out the particle material under the action of positive pressure of the first positive pressure area 32.

The charging assembly 34 comprises a protrusion 340, a second negative pressure region 35, a second gas distribution sleeve 350, a second positive pressure region 360, a second quantitative hole 36, a third air pressure pipeline 37 and a fourth air pressure pipeline 38. The feeding assembly 34 is provided with a plurality of protrusions 340, the feeding assembly 34 is rotatable, the protrusions 340 rotate along with the rotation of the feeding assembly 34, the protrusions 340 are provided with second quantitative holes 36, the number of the second quantitative holes 36 is the same as that of the first quantitative holes 27, and when the second quantitative holes 36 rotate to the position corresponding to the first quantitative holes 27, particles in the first quantitative holes 27 can just fall into the second quantitative holes 36. The shape of the second quantitative hole 36 may be spherical or elliptical. A second gas distribution sleeve 350 communicated with the charging assembly 34 is arranged in the charging assembly 34, the second gas distribution sleeve 350 is connected with a third gas pressure pipeline 37, the third gas pressure pipeline 37 is close to the particle suction assembly 33, a fourth gas pressure pipeline 38 is connected with the second gas distribution sleeve 350, the fourth gas pressure pipeline 38 is far away from the particle suction assembly 33, negative pressure suction gas exists in the third gas pressure pipeline 37, positive pressure blowing gas exists in the fourth gas pressure pipeline 38 and divides the second gas distribution sleeve 350 into two parts, namely a second negative pressure region 35 and a second positive pressure region 360, the second positive pressure region 360 at least covers the region where the second quantitative hole 36 is located, and the rest parts are covered by the second negative pressure region 35. During operation, second distribution cover 350 is fixed, and feeding component 34 is rotatable, and second ration hole 36 inhales the granule material that first ration hole 27 blew out under the effect of negative pressure, deposits in second ration hole 36, rotates to the granule position of releasing, through the effect of the 360 malleation in second positive pressure district, blew out the granule material.

The sleeve 40 is arranged below the feeding assembly 34, the sleeve 40 is in a hollow cylindrical shape, a pipeline for conveying the acetate tow band 12 is arranged inside the sleeve 40, the sleeve 40 is connected with the fifth air pressure pipeline 39, steam capable of enabling the acetate tow band 12 to be rapidly shaped is continuously supplied into the fifth air pressure pipeline 39, the steam is dispersed in the sleeve 40 to form a steam band, the steam is supersaturated steam, and when the acetate tow band 12 penetrates through the supersaturated steam band, due to the self heat setting characteristic of acetate tows, the heat setting characteristic refers to the internal stress generated in the stretching process when the acetate tows are heated, the internal structure of the acetate tow band is loosened to a certain degree, and the shape of the acetate tow band is fixedly formed. The core rod is arranged in the sleeve 40, the core rod 41 is arranged coaxially with the sleeve 40, the core rod 41 can only move horizontally along the axis of the core rod 41 under the action of the limiting device 42, and the coverage range of the supersaturated water vapor zone comprises the displacement range of the core rod 41. The mandrel 41 may be cylindrical in shape and the shape of the cavity 10 is determined by the shape of the mandrel 41.

In operation, as shown in fig. 7 and 8, the acetate tow band 12 continuously passes through the sleeve 40, and in position 1 shown in fig. 7, the second metering hole 36 blows particles due to the positive pressure so that the particles are blown into the middle of the acetate tow, the mandrel 41 remains in the initial position, and then the feeding assembly 34 rotates to position 2 shown in fig. 8, the mandrel 41 is displaced toward the extension thereof into the region of the supersaturated water vapor zone, the acetate tow band 12 forms the first half of the cavity due to the displacement of the mandrel 41, and at this time, due to the control of the machine, the mandrel 41 is located between two adjacent protrusions 340 of the feeding assembly 34, so that the acetate tow band 12 forms a cavity and a particle in one working cycle; the mandrel 41 is then retracted to the initial position shown in fig. 7 to form the second half of the cavity, and the entire cavity formed is heat set by the supersaturated water vapor since both the first and second halves of the cavity are within the confines of the zone of supersaturated water vapor. Next, the mandrel feed assembly 34 is rotated to position 1 as shown in FIG. 7 to cyclically reciprocate the cavities and pellets simultaneously, ultimately producing and reciprocating one cavity, one pellet within the acetate tow band 12. The one duty cycle refers to the whole process of returning to the position 1 shown in fig. 7 after moving from the position 1 shown in fig. 7 to the position 2 shown in fig. 8.

Fig. 6 is a schematic diagram of the whole process of example 1 applied to the existing cigarette or filter rod production process. The acetate tow band 12 passes through a first air opener 13 and a second air opener 14 and then enters a first mechanical opening roller 16 and a second mechanical opening roller 17, the acetate tow band 12 is further unfolded through a third air opener 18, and after being sprayed with the adhesive through an adhesive spraying chamber 19, the acetate tow band is output to a filament catcher 21 through an output roller 20. The cavity particle processing device 22 is arranged between the filament catcher 21 and the cigarette gun 23, and the cavity particle processing device 22 is responsible for integrally forming particles and cavities at one time, wrapping the forming paper supplied by the forming paper supply device 25 by the cigarette gun 23, and then drawing and outputting the forming paper to the cutter head 24 to form a smoking section as shown in fig. 2.

In this embodiment, the feeding assembly 34 may also be a hollow cylinder, which is the same shape as the particle sucking assembly 33.

In this embodiment, the feeding assembly 34 can be eliminated, so that the first quantitative hole 27 on the particle sucking assembly 33 sucks materials under the action of negative pressure, and after rotating to the corresponding position, the particle materials are released under the action of positive pressure, so that the particle materials fall into the acetate tow band 12 to form particles.

Example 2

As shown in fig. 9, a second embodiment of the cavity particle simultaneous charging device of the present invention comprises a particle suction assembly 33, a dry ice suction assembly 43, an application wheel 56 and a sleeve 40.

The particle suction assembly 33 comprises a particle bin 26, a first dosing hole 27, a first suction wheel 28, a first gas distribution sleeve 280, a first negative pressure zone 29, a first pneumatic line 30, a second pneumatic line 31, a first positive pressure zone 32. The first air distribution sleeve 280 and the first material suction wheel 28 are coaxially arranged from inside to outside in sequence, the axle centers of the first air distribution sleeve 280 and the first material suction wheel 28 are horizontal, the first air distribution sleeve 280 is fixed, and the first material suction wheel 28 can rotate. A part of the first suction wheel 28 is embedded in the particle bin 26 to facilitate suction, and a plurality of first quantitative holes 27 are arranged on the first suction wheel 28 at intervals, and the number of the first quantitative holes 27 is preferably 2-100. The first air distribution sleeve 280 is communicated with the first suction wheel 28, one end of the first air distribution sleeve 280 close to the particle bin 26 is connected with the first air pressure pipeline 30, the second air pressure pipeline 31 is connected with one end of the first air distribution sleeve 280 far away from the particle bin 26, negative pressure suction exists in the first air pressure pipeline 30, positive pressure blowing exists in the second air pressure pipeline 31, the first air distribution sleeve 280 is divided into two parts, namely a first negative pressure area 29 and a first positive pressure area 32, the first positive pressure area 32 at least covers the area where the first quantitative hole 27 is located, and the rest areas are partially covered by the first negative pressure area 29. In operation, the first air distribution sleeve 280 is fixed, the first suction wheel 28 can rotate, the first suction wheel 28 sucks materials from the particle bin 26 under the action of negative pressure, stores the materials into the first quantitative hole 27, rotates to the lowest position, and blows out the particles under the action of positive pressure of the first positive pressure area 32.

The dry ice sucking assembly 43 comprises a dry ice bin 44, a bin constant temperature system, a third negative pressure area 45, a first sucking hole 46, a third sucking wheel 47, a sixth pneumatic pipeline 48, a seventh pneumatic pipeline 49, a third air distribution sleeve 50 and a third positive pressure area 51. Third distribution of gas cover 50, third suction wheel 47 are provided with the axle center from inside to outside in proper order, the axle center level of third distribution of gas cover 50, third suction wheel 47, third distribution of gas cover 50 is fixed motionless, and third suction wheel 47 is rotatable. A part of the third material suction wheel 47 is embedded in the first dry ice bin 44 to facilitate material suction, a plurality of first material suction holes 46 are arranged on the third material suction wheel 47 at intervals, and preferably 2-100 first material suction holes 46 are arranged. The third distribution sleeve 50 is communicated with the third material sucking wheel 47, one end of the third distribution sleeve 50 close to the first dry ice bin 44 is connected with a sixth air pressure pipeline 48, a seventh air pressure pipeline 49 is connected with one end of the third distribution sleeve 50 far away from the first dry ice bin 44, positive pressure blowing gas exists in the seventh air pressure pipeline 49 due to negative pressure suction in the sixth air pressure pipeline 48, the third distribution sleeve 50 is divided into two parts, namely a third negative pressure area 45 and a third positive pressure area 51, the third positive pressure area 51 at least covers the area where one first material sucking hole 46 is located, and the rest areas are partially covered by the third negative pressure area 45. During operation, the third air distribution sleeve 50 is fixed, the third material suction wheel 47 can rotate, the third material suction wheel 47 sucks materials from the first dry ice bin 44 under the action of negative pressure, stores the materials into the first material suction hole 46, rotates to a dry ice release position, and blows out dry ice under the action of positive pressure of the third positive pressure area 51. Meanwhile, as the dry ice is easy to sublimate at normal temperature, a bin constant temperature system is arranged at one end of the first dry ice bin 44 to ensure that the dry ice is solid.

An applying wheel 56 for releasing the dry ice and the particles is arranged at the corresponding positions of the particle sucking component 33 and the dry ice sucking component 43, and the applying wheel further comprises a fourth negative pressure area 52, a second sucking hole 53, a fourth positive pressure area 54, a third quantitative hole 55, a fourth gas distribution sleeve 57, an eighth air pressure pipeline 58 and a ninth air pressure pipeline 59. The application wheel 56 is provided with second suction holes 53, the number of the second suction holes 53 is the same as that of the first suction holes 46 on the dry ice suction assembly 43, the position of the second suction holes 53 corresponds to that of the first suction holes 55, and when the first suction holes 46 rotate to the position corresponding to the second suction holes 53, the dry ice in the first suction holes 46 falls into the second suction holes 53. The application wheel 56 is further provided with third quantitative holes 55, the number of the third quantitative holes 55 is the same as that of the first quantitative holes 27 on the particle sucking component 47, the third quantitative holes 55 correspond to the first quantitative holes 27 in position, so that when the first quantitative holes 27 rotate to the corresponding positions, the particle materials in the first quantitative holes 27 fall into the third quantitative holes 55. The third quantitative hole 55 may have a spherical shape, an olive shape, or other shapes. The axes of the fourth air distribution sleeve 57 and the applying wheel 56 are horizontal, the fourth air distribution sleeve 57 is fixed, and the applying wheel 56 can rotate. The fourth air distribution sleeve 57 is communicated with the applying wheel 56, the fourth air distribution sleeve 57 is respectively connected with an eighth air pressure pipeline 58 and a ninth air pressure pipeline 59, the eighth air pressure pipeline 58 only covers the area of the at least one second material suction hole 53 and the at least one third quantitative hole 55 at the lowest part, and the rest area is partially covered by the ninth air pressure pipeline 59. The eighth air pressure pipeline 58 blows air at positive pressure, and the ninth air pressure pipeline 59 sucks air at negative pressure.

The sleeve 40 is stationary. The acetate tow band 12 which continuously passes through is arranged in the acetate tow band, particles and dry ice blown out by the application wheel 56 under the action of positive pressure are blown into the acetate tow band 12, one end of the sleeve 40 is connected with the fifth air pressure pipeline 39, steam blown out by the fifth air pressure pipeline 39 is supersaturated steam, the supersaturated steam enables the dry ice to be melted to form a cavity, meanwhile, the acetate tow band 12 can be rapidly shaped, and the inner cavity of the sleeve 40 can be cylindrical or in other shapes.

In operation, the first quantitative holes 27 on the first material suction wheel 28 suck the particle materials in the particle bin 26 under the negative pressure action of the first air pressure pipeline 30, and then rotate to the corresponding positions, and the particle materials in the first quantitative holes 27 are blown out under the positive pressure action of the second air pressure pipeline 31, so that the third quantitative holes 55 on the application wheel 56 suck the particle materials blown out by the first material suction wheel 28 under the negative pressure action of the ninth air pressure pipeline 59; the first suction hole 46 of the third suction wheel 47 sucks in the dry ice stored in the dry ice bin 44 under the negative pressure of the sixth air pressure line 48, then rotates to the corresponding position, blows out the dry ice under the positive pressure of the seventh air pressure line 49, and the second suction hole 53 of the applicator wheel 56 sucks in the blown-out dry ice under the negative pressure. Subsequently, the third quantitative hole 55 and the second material sucking hole 53 on the application wheel rotate to the lower side, and simultaneously dry ice and particles are blown out under the action of positive pressure, so that the blown particles and the dry ice are blown into the acetate tow band 12, and as the acetate tow band 12 passes through the fifth air pressure pipeline 39, supersaturated water vapor enables the dry ice to melt to form a cavity, and simultaneously, the acetate tow band 12 is rapidly shaped.

The smoking section in the cigarette or filter rod produced by the process according to the first or second embodiment specifically comprises particles 8, acetate tow 9 and cavities 10, as shown in fig. 2. The particles 8 may be a plurality of fine particles sintered and bonded together, and may be in the form of an overall rugby ball, a sphere, or other polyhedral shapes. The particles 8 may also be a plurality of finely divided particles, which are gathered together and do not fall out due to the wrapping effect of the acetate tow 9. The particles 8 are preferably purely natural materials, such as tobacco powder, activated carbon particles, starch particles, coffee particles and the like, or particles made of other safe and environment-friendly materials, such as polylactic acid particles and the like, and can also be a mixture of multiple materials. The length L1 of the granules 8 can be designed as required and is 0.5mm to 30mm, preferably 0.5mm to 15 mm. As shown in fig. 3, which is a schematic cross-sectional view of the pellet, the proportion of the pellet 8 in the entire cross-section is 5% to 100%, preferably 50% to 80%.

The length L2 of the cavity 10 can be designed according to needs and is 3mm-50mm, preferably 3mm-20 mm. As shown in fig. 4, which is a schematic cross-sectional view of a cavity, the cross-section of the cavity 10 may be circular, or may be other shapes such as rectangle, triangle, gear, etc., and the proportion of the cavity in the cross-section of the cigarette or filter stick is 5% -95%, preferably 30% -85%.

As shown in fig. 2, the cigarette or filter stick is made of a smoking section and is a heating non-combustion type cigarette or filter stick, and the cigarette or filter stick comprises a smoking section 1 and a smoking section 2. At least one layer of cigarette paper 5 wraps the smoking section 1 and the smoking section 2, the tipping paper 3 can wrap the cigarette paper 5, and the smoking section 2 can also wrap the smoking section forming paper 6. The smoking section 1 can be wrapped with a piece of smoking section forming paper 4 to improve the appearance aesthetic degree and the surface smoothness.

The smoking section 1 is mainly used for reducing the temperature of the smoke transmitted by the smoking section 2, increasing the smoke fragrance with different tastes and improving the overall richness of the smoke. The smoking segment 1 comprises at least 1 particle 8 and 1 cavity 10.

The smoking section 2 is filled with smoking material, is mainly used for smoking in the smoking process, and can be heated by using a heat source, wherein the heat source can be used for central heating and peripheral heating.

As shown in fig. 5, the disordered cut tobacco is a schematic diagram, the disordered cut tobacco 11 is randomly arranged in the smoking section 2, and a certain gap is formed between adjacent disordered cut tobacco 11, so that the ventilation effect is increased and the consumption quality is improved while the smoking quality is ensured.

The cigarette or the filter stick can be used for heating non-burning cigarettes, can also be used for traditional cigarettes, or can be used as one section of the cigarette or the filter stick to be combined with other forms of filter sticks, such as hollow filter sticks, bead blasting filter sticks and the like.

Claims (9)

1. A cavity forming and particle applying device, which is characterized by comprising a feeding assembly (34) for releasing particles, a sleeve (40) for conveying an acetate tow band (12) and a core rod (41) for forming a cavity (10), wherein a second quantitative hole (36) is formed in the feeding assembly (34), the sleeve (40) is arranged below the feeding assembly (34), a fifth air pressure pipeline (39) is arranged on the sleeve, the core rod (41) is arranged in the sleeve (40) and can horizontally move, and the moving range of the core rod (41) is within the steam spraying range conveyed by the fifth air pressure pipeline (39);

or

The acetate fiber tow band applying device comprises an applying wheel (56) and a sleeve (40) used for conveying an acetate fiber tow band (12), wherein a second material sucking hole (53) and a third quantitative hole (55) are formed in the applying wheel (56), the sleeve (40) is arranged below the applying wheel (56), and the sleeve (40) is connected with a fifth air pressure pipeline (39).

2. The device according to claim 1, characterized in that the steam conveyed in the fifth pneumatic line (39) is supersaturated water vapor.

3. The device according to claim 1, further comprising a material sucking component (33) for providing the particle material, wherein the material sucking component (33) comprises a particle bin (26), a first material sucking wheel (28), a first air distribution sleeve (280), a first air pressure pipeline (30) and a second air pressure pipeline (31), the first material sucking wheel (28) is provided with a first quantitative hole (27), the first air distribution sleeve (280) is communicated with the first material sucking wheel (28), the first air pressure pipeline (30) and the second air pressure pipeline (31) are communicated with the first air distribution sleeve (280), the first air pressure pipeline (30) performs negative pressure air suction, the second air pressure pipeline (31) performs positive pressure air blowing, and the second air pressure pipeline (31) covers the area of at least one first quantitative hole (27) so that the particle material is released.

4. The device according to claim 1, characterized in that the feeding assembly (34) comprises a protrusion (340), a second dosing sleeve (350), a third pneumatic line (37) and a fourth pneumatic line (38), the second dosing hole (36) being provided on the protrusion (340), the third pneumatic line (37) and the fourth pneumatic line (38) being in communication with the second dosing sleeve (350), the fourth pneumatic line (38) covering the area of at least one second dosing hole (36), the third pneumatic line (37) performing suction at negative pressure, the fourth pneumatic line (38) performing blowing at positive pressure, the second dosing hole (36) being able to accommodate the particles released by the first dosing hole (27).

5. The device according to claim 1, characterized by further comprising a dry ice sucking assembly (43), wherein the dry ice sucking assembly (43) comprises a dry ice bin (44), a bin thermostatic system, a first sucking hole (46), a third sucking wheel (47), a sixth air pressure pipeline (48), a seventh air pressure pipeline (49) and a third air distribution sleeve (50), the bin thermostatic system is connected with the dry ice bin (44), the third sucking wheel (47) is communicated with the third air distribution sleeve (50), the third sucking wheel (47) is provided with the first sucking hole (46), the sixth air pressure pipeline (48) and the seventh air pressure pipeline (49) are respectively connected with the third air distribution sleeve (50), the sixth air pressure pipeline (48) sucks air at negative pressure, the seventh air pressure pipeline (49) blows air at positive pressure, and the seventh air pressure pipeline covers the area of at least one first sucking hole (46), so that the dry ice is released.

6. The device according to claim 1, characterized in that the application wheel (56) is further provided with a fourth gas distribution sleeve (57), an eighth pneumatic line (58), a ninth pneumatic line (59), the applying wheel (56) is communicated with a fourth air distribution sleeve (57), a third quantitative hole (55) and a second material sucking hole (53) are arranged on the applying wheel (56), the third quantitative hole (55) can contain the particles released from the first quantitative hole (27), the second material sucking hole (53) can hold dry ice released from the first material sucking hole (46), the eighth air pressure pipeline (58) and the ninth air pressure pipeline (59) of the fourth air distribution sleeve (57) are connected, the ninth air pressure pipeline (59) covers at least one adjacent second material suction hole (53) and third quantitative hole (55), the eighth air pressure pipeline (58) performs negative pressure air suction, and the ninth air pressure pipeline (59) performs positive pressure air blowing.

7. A filter rod made according to any one of claims 1 to 6 wherein the length of the cavity (10) is from 3mm to 50 mm.

8. A filter rod according to any one of claims 1 to 6 wherein the cross-section of the cavity (10) is one of circular, rectangular, triangular, gear-type.

9. A filter rod made according to any one of claims 1 to 6 wherein the particles (8) may be a combination of one or more of tobacco powder, activated carbon particles, starch particles, coffee particles.

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