CN112450485A

CN112450485A - Heating cigarette double-thread gathering device and cigarette core rod forming system

Info

Publication number: CN112450485A
Application number: CN202011501425.2A
Authority: CN
Inventors: 李朝建; 罗亮; 徐如彦; 王鹏飞; 周成喜; 黄杨
Original assignee: China Tobacco Jiangsu Industrial Co Ltd
Current assignee: China Tobacco Jiangsu Industrial Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-03-09

Abstract

The invention relates to the technical field of heated cigarettes, in particular to a double-filament gathering device of a heated cigarette and a cigarette core rod forming system. The tobacco shred collecting device comprises a collecting shell, wherein two ends of the collecting shell are both opened and respectively form a tobacco shred inlet and a tobacco shred outlet; the gathering shell comprises an outer shell and an inner shell which are coaxial, a first tobacco gathering cavity is formed in an inner cavity of the inner shell, and a second tobacco gathering cavity is formed between the inner shell and the outer shell; the tobacco shred inlet comprises a first tobacco shred inlet positioned in the first tobacco shred gathering cavity and a second tobacco shred inlet positioned in the second tobacco shred gathering cavity; the tobacco shred outlet comprises a first tobacco shred outlet positioned in the first tobacco shred gathering cavity and a second tobacco shred outlet positioned in the second tobacco shred gathering cavity. The cigarette core rod can be synchronously rolled by the double tobacco shreds with different characteristics, and the design and manufacturing level of the cigarette rod for heating cigarettes is improved.

Description

Heating cigarette double-thread gathering device and cigarette core rod forming system

Technical Field

The invention relates to the technical field of heated cigarettes, in particular to a double-filament gathering device of a heated cigarette and a cigarette core rod forming system.

Background

In recent years, with the growing environmental pollution and the increasing concern of people about smoking and health, the development of a novel tobacco product capable of comprehensively and greatly reducing the release amount of harmful components in tobacco gradually becomes the key point of the tobacco industry in all countries in the world. Therefore, the heated cigarette is concerned at the beginning of the appearance, the product market is developed rapidly, the consumer groups are expanded continuously, and the heated tobacco products become new profit growth points of transnational tobacco companies gradually. Currently, the mainstream heated cigarettes in the international market adopt an electric heating form, such as iQOS in Femo, Glo in Enmei tobacco, lil in Korea tobacco KT & G, and the like, and are characterized in that tobacco is heated instead of burning tobacco, the release amount of harmful components is low, and certain characteristic feeling of tobacco is provided for consumers.

The existing mainstream heating cigarette is of an electric heating type and comprises a heating smoking set and a matched cigarette. The cigarette comprises a filter tip section, a cooling section and a cigarette core section. The core material of the heating cigarette is mainly made of tobacco sheets. The preparation process of the cigarette core section comprises the following steps: the tobacco sheet is cut into tobacco shreds with certain width by adopting a shredding roller, the tobacco shreds are gathered and wrapped by a forming paper to form a tobacco core rod with the tobacco shreds arranged in order, and the tobacco core rod is cut into required length to form a tobacco core section of the heated cigarette. The tobacco core section prepared by the prior art is of a single tobacco shred structure, and the prior art can only realize the shredding and the wrapping forming of a single tobacco sheet.

Patent document CN1254535 discloses such a rolling method and apparatus. The inner tobacco rod is rolled by a rolling device and is continuously wrapped by an outer tobacco rod in the tobacco rod forming unit. The inner tobacco rod and the outer tobacco rod are jointly wrapped by cigarette paper to form a coaxial cigarette rod, and then the coaxial cigarette rod is cut into coaxial cigarette branch sections with one or more times of use length according to a certain cutting beat by a cutter device. Interior tobacco rod and outer tobacco rod are equipped with the head end of continuous synchronization each other and consolidate. To this end, a density-increasing region is formed in the inner tobacco rod by means of the trimming device of the wrapping device as a head end reinforcement, the position of which in the tobacco rod is held at a set position as a function of the error between the actual position measured by the density measuring device and the set position. The cigarette rod in this application is "composed of two tobacco layers 19 and 37 with the inner tobacco rod 2 sandwiched therebetween", and then these three layers are included, so that there is a problem that the outer tobacco is unevenly wrapped, and the inner tobacco and the outer tobacco are not tightly combined, resulting in the need for specially providing the head end reinforcing portion.

Disclosure of Invention

The invention aims to solve the problems and provides a double-tobacco gathering device for a heated cigarette and a cigarette core rod forming system, wherein the double-tobacco gathering device can be used for tightly and uniformly combining two tobacco shreds together to form a coaxial cigarette.

The technical scheme for solving the problems is to firstly provide a double-thread gathering device for heating cigarettes, which is characterized in that: the tobacco shred collecting device comprises a collecting shell, wherein two ends of the collecting shell are both opened and respectively form a tobacco shred inlet and a tobacco shred outlet; the gathering shell comprises an outer shell and an inner shell which are coaxial, a first tobacco gathering cavity is formed in an inner cavity of the inner shell, and a second tobacco gathering cavity is formed between the inner shell and the outer shell; the tobacco shred inlet comprises a first tobacco shred inlet positioned in the first tobacco shred gathering cavity and a second tobacco shred inlet positioned in the second tobacco shred gathering cavity; the tobacco shred outlet comprises a first tobacco shred outlet positioned in the first tobacco shred gathering cavity and a second tobacco shred outlet positioned in the second tobacco shred gathering cavity.

Preferably, the length of the inner and outer shells is 100mm to 500 mm.

Preferably, the inner shell is longer than the outer shell, and one end of the inner shell, which is provided with the first cut tobacco outlet, protrudes out of one end of the outer shell, which is provided with the second cut tobacco outlet.

Preferably, the tobacco shred collecting device further comprises a dispersing assembly used for uniformly dispersing second tobacco shreds in an annular second tobacco shred collecting cavity, wherein the dispersing assembly comprises a conveyor belt and at least two driving rollers, and the conveyor belt is sleeved on the driving rollers; the shell is provided with a through hole for the conveying belt to transmit in and out, so that the part of the conveying belt, which is positioned in the second cut tobacco gathering cavity, forms a scattering part.

Preferably, the conveyor belt is a friction belt.

In the present invention, the conveyor belt is preferably a toothed belt. The toothed belt is triangular or rectangular.

Preferably, the conveying direction of the conveyor belt and the direction from the second cut tobacco inlet to the second cut tobacco outlet form an acute angle.

Preferably, the angle between the conveying direction of the conveyor belt and the direction from the second cut tobacco inlet to the second cut tobacco outlet is 10-30 degrees.

Preferably, the part of the inner shell protruding out of the outer shell forms a guide part, the guide part is conical or truncated cone-shaped and comprises a wide end and a narrow end, the wide end of the guide part is close to the second cut tobacco outlet, and the narrow end of the guide part is far away from the second cut tobacco outlet.

Preferably, the inner shell comprises a first inner shell and a second inner shell which are coaxial, a first cut tobacco gathering cavity is formed in the second inner shell, a flow guide cavity is formed between the first inner shell and the second inner shell, one end, close to the first cut tobacco outlet, of the flow guide cavity is closed, one end, close to the first cut tobacco inlet, of the flow guide cavity is opened to form an air inlet, and the flow guide cavity is communicated with the first cut tobacco gathering cavity through a plurality of communicating pipelines.

Wherein the air inlet pressure can be adjusted according to requirements, and the air inlet pressure is preferably 0.1MPa-1 MPa.

Preferably, an acute angle is formed between the air outlet direction of the communicating pipeline and the direction from the first tobacco shred inlet to the first tobacco shred outlet.

Preferably, the included angle between the air outlet direction of the communicating pipeline and the advancing direction of the cut tobacco is 5-30 degrees.

Preferably, the caliber of the first tobacco shred inlet is larger than the caliber of the first tobacco shred outlet.

Preferably, the caliber of the second tobacco shred inlet is larger than the caliber of the second tobacco shred outlet.

Another object of the present invention is to provide a cigarette core rod forming system comprising the heated cigarette dual filament gathering device, which is characterized in that: a first tobacco shred component and a second tobacco shred component are respectively arranged on one side of the tobacco shred inlet, and the first tobacco shred component and the second tobacco shred component respectively sequentially comprise a paper roll unreeling shaft and a slitting roller along the direction from the tobacco shred inlet to the tobacco shred outlet; and a cigarette making machine is arranged on one side of the cut tobacco outlet, and cigarette paper is arranged at the tobacco pipe inlet of the cigarette making machine.

Preferably, the first tobacco component and the second tobacco component further comprise flavoring means.

Preferably, the cigarette gun outlet is provided with a cutting device.

The invention has the beneficial effects that:

1. through the device system of this application, can obtain a coaxial cigarette, the pipe tobacco of different masses, raw materials, taste can be chooseed for use to the first pipe tobacco of this coaxial cigarette and the second pipe tobacco of periphery, not only can reduce cigarette cost, can provide dual suction impression simultaneously for the smoker moreover, has improved the suction quality of cigarette.

2. Compared with the technology that the second cut tobacco is wrapped outside the first cut tobacco by paving layers and wrapping the second cut tobacco in the prior art, the method has the advantages of being simple to operate and even and complete in wrapping, and the first cut tobacco is directly gathered into a core shape and a ring shape by the arrangement of the shells inside and outside the gathering shell, and the second cut tobacco is wrapped on the first cut tobacco at the cut tobacco outlet.

3. This application not only can make the second pipe tobacco distribute more evenly around first pipe tobacco through the setting of dispersion subassembly, can also promote extruding of second pipe tobacco.

4. This application sets up cigarette core stick molding system, has characteristics automatic, that production efficiency is high.

Drawings

FIG. 1 is a schematic view of a heated cigarette dual filament gathering device;

FIG. 2 is a side view of a heated cigarette dual filament gathering device;

FIG. 3 is a schematic view of the positioning of the gathering housing and the dispersing assembly in a heated cigarette dual filament gathering device;

FIG. 4 is a schematic diagram of a cigarette core rod forming system incorporating a heated cigarette dual filament gathering device;

in the figure: outer shell 1, and inner shell 2, guide part 21, water conservancy diversion chamber 22, intercommunication pipeline 221, first pipe tobacco gathers together chamber 31, first pipe tobacco import 311, first pipe tobacco export 312, second pipe tobacco gathers together chamber 32, second pipe tobacco import 321, second pipe tobacco export 322, conveyer belt 4, first pipe tobacco subassembly 5, second pipe tobacco subassembly 6, cigarette machine 7, shaping paper 8.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

A double-thread gathering device for heating cigarettes is shown in figure 1 and comprises a gathering shell, wherein two ends of the gathering shell are both opened and respectively form a tobacco thread inlet and a tobacco thread outlet. Gather together the casing and include coaxial shell 1 and inner shell 2 again, inner shell 2 can set up in outer shell 1 with arbitrary mode, for example set up the connecting rod between inner shell 2 outer wall and 1 inner wall of shell, the quantity of connecting rod does not restrict, but less better, can guarantee to support the linkage effect can, can make the one end that connecting rod and inner shell 2 are connected to the one end of being connected to its and outer shell 1 export slope to the pipe tobacco simultaneously to avoid the influence to the pipe tobacco motion as far as possible. The inner shell 2 may be suspended in the outer shell 1, for example, by magnetic levitation. A first cut tobacco gathering cavity 31 is formed in the inner cavity of the inner shell 2, and a second cut tobacco gathering cavity 32 is formed between the inner shell 2 and the outer shell 1; the cut tobacco inlet comprises a first cut tobacco inlet 311 positioned in the first cut tobacco gathering cavity 31 and a second cut tobacco inlet 321 positioned in the second cut tobacco gathering cavity 32; the cut tobacco outlets comprise a first cut tobacco outlet 312 positioned in the first cut tobacco gathering cavity 31 and a second cut tobacco outlet 322 positioned in the second cut tobacco gathering cavity 32.

When the cigarette is used, first cut tobacco enters from the first cut tobacco inlet 311, forms a columnar cigarette core after being gathered and shaped by the first cut tobacco gathering cavity 31, and is extruded from the first cut tobacco outlet 312. Wherein, according to the shape of the outlet end of the inner shell 2, the cross section of the obtained columnar cigarette core can be the same as the shape and the size of the outlet end of the inner shell 2, such as round, triangle, square, even special-shaped, etc. The second cut tobacco enters from the annular second cut tobacco inlet 321, is gathered and shaped by the second cut tobacco gathering cavity 32 to form a tubular cigarette sleeve, is extruded from the second cut tobacco outlet 322, and is directly sleeved on the periphery of the cigarette core to form the coaxial cigarette. Wherein, the outer ring and the inner ring of the cigarette sleeve can be different shapes and sizes according to the shapes and sizes of the outlet ends of the outer shell 1 and the inner shell 2. In this embodiment, the outlet ends of the outer shell 1 and the inner shell 2 are both circular. In addition, the first tobacco shred and the second tobacco shred may be the same type of tobacco shred, or may be two types of tobacco shreds with different characteristics in terms of structure (such as loose tobacco shred and compact tobacco shred), color, taste, and raw material. The diameter of the traditional coaxial cigarette is generally between 5.0mm and 8.0mm, and the outer diameter of the first tobacco shred 1 is between 2.0mm and 6.0 mm.

The lengths of the inner shell 2 and the outer shell 1 are about 100mm-500mm, the inner shell 2 is slightly longer than the outer shell 1, one end of the inner shell 2 close to the tobacco shred inlet is flush with the outer shell 1, one end close to the tobacco shred outlet protrudes out of the outer shell 1, and the part of the inner shell 2 protruding out of the outer shell 1 forms a guide part 21. The outer surface of the guide part 21 may be conical or truncated cone-shaped, and includes a wide end and a narrow end, the wide end of the guide part 21 is close to the second tobacco shred outlet 322, and the narrow end is far away from the second tobacco shred outlet 322.

In addition, for the convenience of feeding, the caliber of the first tobacco shred inlet 311 may be made larger than the caliber of the first tobacco shred outlet 312. Therefore, in this embodiment, the inner shell 2 is designed to be a truncated cone, and the wider end is provided with the first tobacco inlet 311 and the narrower end is provided with the second tobacco outlet 312, which directly ensures the inclined shape of the guide portion 21. Meanwhile, in order to ensure the uniformity of the extruded tobacco cores, one part of the inner cavity of the inner shell 2, which is close to the first tobacco shred outlet 312, is a uniform cylindrical cavity, and the other part, which is far away from the first tobacco shred outlet 312, is a circular truncated cone-shaped cavity.

Similarly, the caliber of the second tobacco shred inlet 321 can be larger than the caliber of the second tobacco shred outlet 322, in this embodiment, the outer shell 1 is configured as a structure in which two circular truncated cone-shaped cylinders are connected, the inclination of the circular truncated cone close to the second tobacco shred outlet 322 is smaller than that of the other circular truncated cone, and the surface of the inner cavity of the circular truncated cone close to the second tobacco shred outlet 322 is substantially parallel to the outer surface of the inner shell 2, so as to ensure the uniformity of the extruded second tobacco shred.

In the actual production process, the second cut tobacco material from the second cut tobacco production device is linear rather than annular, so that the second cut tobacco usually enters the second cut tobacco gathering cavity 32 only from a certain part of the second cut tobacco inlet 321, and the second cut tobacco cannot be completely and uniformly distributed in the annular second cut tobacco gathering cavity 32, so that the thickness of the extruded cigarette sleeve is not uniform. Therefore, the tobacco shred collecting device further comprises a dispersing component for uniformly dispersing the second tobacco shred into the annular second tobacco shred collecting cavity 32, the dispersing component can be designed in various manners, for example, as shown in fig. 2, in the embodiment, the dispersing component comprises a conveyor belt 4 sleeved on a driving wheel and a driven wheel, the shell 1 is provided with a through hole for the conveyor belt 4 to pass in and out, so that the conveyor belt 4 comprises a scattering part located in the second tobacco shred collecting cavity 32. In this embodiment, the second tobacco shred enters the second tobacco shred gathering cavity 32 from the upper portion of the second tobacco shred inlet 321, so the second tobacco shred is stacked on the upper portion of the second tobacco shred gathering cavity 32, and the transmission belt 4 is rotated downwards, so that the second tobacco shred is driven to the middle portion and the lower portion of the second tobacco shred gathering cavity 32 by the driving of the transmission belt 4. The transmission belt 4 may be designed as a flat belt with a certain friction force, a triangular or rectangular toothed belt, or a protrusion directly on the flat belt. Furthermore, in the present example, as shown in fig. 3, the conveying direction of conveyor belt 4 is at an acute angle, preferably 10 ° to 30 °, with respect to the direction from second tobacco inlet 321 to second tobacco outlet 322. This allows conveyor 4 to convey the second tobacco thread towards second tobacco thread outlet 322 while dispersing the second tobacco thread, which assists in the extrusion of the second tobacco thread.

Of course, there are other different ways of designing the dispersion assembly, such as designing the outer casing 1 or/and the inner casing 2 to be rotatable around a central axis, and dispersing the second tobacco shred by friction forces of the inner wall of the outer casing 1 or/and the outer wall of the inner casing 2. Meanwhile, the rotation of the inner shell 2 helps to disperse the first cut tobacco in the inner shell 2. The rotation mode can be realized by enabling one end of the inner shell 2, which is provided with the first tobacco shred inlet 311, to protrude out of the outer shell 1, sleeving a gear on the protruding part, and meshing the gear with the gear sleeved on the output shaft of the driving motor through a chain or directly meshing the gear. At this moment, the connecting rod for connecting the inner shell 2 and the outer shell 1, the one end for connecting the inner shell 2 are provided with a fixing ring, and the outer wall of the inner shell 2 is connected with the fixing ring through a rotating bearing so as to realize support.

In order to assist the extrusion of the first cut tobacco, in this embodiment, the inner shell 2 includes a first inner shell and a second inner shell which are coaxial, a first cut tobacco gathering cavity 31 is formed in the second inner shell, a flow guide cavity 22 is formed between the first inner shell and the second inner shell, one end of the flow guide cavity 22 close to the first cut tobacco outlet 312 is closed, one end of the flow guide cavity 22 close to the first cut tobacco inlet 311 is opened to form an air inlet, and the flow guide cavity 22 is communicated with the first cut tobacco gathering cavity 312 through a plurality of communicating pipelines 221. The communicating pipe 221 comprises an inlet end communicated with the diversion cavity 22 and an outlet end communicated with the first tobacco gathering cavity 31, and the inlet end is close to the first tobacco inlet 311 relative to the outlet end, so that the communicating pipe 221 and the part of the inner shell 2 close to the first tobacco inlet 312 form an acute angle which is 5-30 degrees. Wherein the air inlet pressure can be adjusted as required, and the air inlet pressure is preferably 0.1MPa-1 MPa. The air flow with pressure can make the first cut tobacco smoothly move in the first cut tobacco gathering cavity 31 and be uniformly distributed.

As shown in figure 4, in the cigarette core rod forming system comprising the double-cut gathering device for the heated cigarette, a first cut tobacco component 5 and a second cut tobacco component 6 are respectively arranged on one side of a cut tobacco inlet, and the first cut tobacco component 5 and the second cut tobacco component 6 are arranged in parallel, in the embodiment, the first cut tobacco component 5 is arranged below the second cut tobacco component 6. First pipe tobacco subassembly 5 and second pipe tobacco subassembly 6 include scroll reel and slitting roller in proper order along the direction that the pipe tobacco imported to the pipe tobacco export respectively to send into the device of gathering together behind the tobacco sheet slitting, wherein, in order to further improve the taste of pipe tobacco, can also set up perfuming device between slitting roller and the device of gathering together. Further, a transition roller and an output roller can be arranged between the perfuming device and the gathering device. And one side of the cut tobacco outlet is provided with a cigarette making machine 7, the cigarette making machine 7 is a machine for rolling the cut tobacco into cigarette strips by using forming paper, is a main cigarette making machine and can adopt any one purchased from the market. The cigarette making machine includes four main parts of tobacco shred feeding, forming, cutting and weight control, and its forming part includes cigarette gun, at the inlet of the cigarette gun, the tobacco shreds are dropped onto the forming paper and wrapped by cloth belt into the cigarette gun and rolled into continuous cigarette strip. Thus, the cigarette machine 7 is provided with a forming paper 8 at the gun inlet. The cutting section of the cigarette making machine 7 may cut the cigarette rod obtained by wrapping the formed section into individual cigarette rods.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a device is gathered together to heating cigarette double filament which characterized in that: the tobacco shred collecting device comprises a collecting shell, wherein two ends of the collecting shell are both opened and respectively form a tobacco shred inlet and a tobacco shred outlet; the gathering shell comprises an outer shell (1) and an inner shell (2) which are coaxial, a first tobacco gathering cavity (31) is formed in the inner cavity of the inner shell (2), and a second tobacco gathering cavity (32) is formed between the inner shell (2) and the outer shell (1); the cut tobacco inlet comprises a first cut tobacco inlet (311) positioned in the first cut tobacco gathering cavity (31) and a second cut tobacco inlet (321) positioned in the second cut tobacco gathering cavity (32); the cut tobacco outlet comprises a first cut tobacco outlet (312) positioned in the first cut tobacco gathering cavity (31) and a second cut tobacco outlet (322) positioned in the second cut tobacco gathering cavity (32).

2. The twin-filament gathering device for heated cigarettes according to claim 1, wherein: the tobacco shred collecting device is characterized by further comprising a dispersing assembly used for uniformly dispersing second tobacco shreds in the annular second tobacco shred collecting cavity (32), wherein the dispersing assembly comprises a conveyor belt (4) and at least two driving rollers, and the conveyor belt (4) is sleeved on the driving rollers; the shell (1) is provided with a through hole for the conveying belt (4) to pass in and out, so that the part of the conveying belt (4) located in the second cut tobacco gathering cavity (32) forms a scattering part.

3. The twin-filament gathering device for heated cigarettes according to claim 2, wherein: an acute angle is formed between the conveying direction of the conveyor belt (4) and the direction from the second cut tobacco inlet (321) to the second cut tobacco outlet (322).

4. The twin-filament gathering device for heated cigarettes according to claim 1, wherein: one end of the inner shell (2) provided with the first tobacco shred outlet (312) protrudes out of one end of the outer shell (1) provided with the second tobacco shred outlet (322).

5. The twin-filament gathering device for heated cigarettes according to claim 4, wherein: the inner shell (2) protrudes out of the outer shell (1) to form a guide part (21), the guide part (21) is conical or truncated cone-shaped and comprises a wide end and a narrow end, the wide end of the guide part (21) is close to the second cut tobacco outlet (322), and the narrow end is far away from the second cut tobacco outlet (322).

6. The twin-filament gathering device for heated cigarettes according to claim 1, wherein: inner shell (2) are including coaxial first inner shell and second inner shell, form in the second inner shell first pipe tobacco gathers together chamber (31), form water conservancy diversion chamber (22) between first inner shell and the second inner shell, water conservancy diversion chamber (22) are close to the one end of first pipe tobacco export (312) is sealed, is close to the one end opening of first pipe tobacco import (311) forms the air inlet, water conservancy diversion chamber (22) with first pipe tobacco gathers together chamber (312) and communicates through a plurality of intercommunication pipelines (221).

7. The twin-filament gathering device for heated cigarettes according to claim 6, wherein: an acute angle is formed between the air outlet direction of the communicating pipeline (221) and the direction from the first tobacco shred inlet (311) to the first tobacco shred outlet (312).

8. The twin-filament gathering device for heated cigarettes according to claim 1, wherein: the caliber of the first tobacco shred inlet (311) is larger than that of the first tobacco shred outlet (312).

9. The twin-filament gathering device for heated cigarettes according to claim 1, wherein: the caliber of the second tobacco shred inlet (321) is larger than that of the second tobacco shred outlet (322).

10. A cigarette core rod forming system comprising the heated cigarette dual filament gathering device of any one of claims 1-9, wherein: a first tobacco shred component (5) and a second tobacco shred component (6) are respectively arranged on one side of the tobacco shred inlet, and the first tobacco shred component (5) and the second tobacco shred component (6) respectively sequentially comprise a paper roll unreeling shaft and a slitting roller along the direction from the tobacco shred inlet to the tobacco shred outlet; and a cigarette making machine (7) is arranged on one side of the cut tobacco outlet, and a forming paper (8) is arranged at the tobacco pipe inlet of the cigarette making machine.