CN113576018A - Tobacco sheet coating device and method - Google Patents
Tobacco sheet coating device and method Download PDFInfo
- Publication number
- CN113576018A CN113576018A CN202110857702.1A CN202110857702A CN113576018A CN 113576018 A CN113576018 A CN 113576018A CN 202110857702 A CN202110857702 A CN 202110857702A CN 113576018 A CN113576018 A CN 113576018A
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- Prior art keywords
- equipment
- tobacco
- roller
- drying
- tension
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 114
- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 13
- 244000061176 Nicotiana tabacum Species 0.000 title 1
- 241000208125 Nicotiana Species 0.000 claims abstract description 113
- 238000001035 drying Methods 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 238000007602 hot air drying Methods 0.000 claims abstract description 20
- 238000007761 roller coating Methods 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 32
- 238000005096 rolling process Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
Abstract
The invention discloses a tobacco sheet coating device, which comprises hot air drying equipment, net pressing equipment, a tension roller frame and coiling equipment which are arranged in sequence; the hot air drying equipment comprises a conveying unit and a drying unit, wherein the drying unit is arranged below the conveying unit and is used for drying the tobacco sheets carried on the conveying unit; the net pressing equipment is connected with the transportation unit and is used for pressing the dried tobacco sheets; the tension roll frame is connected with the net pressing equipment; the coiling device is connected with the tension roller frame and used for coiling the tobacco sheets. The tobacco sheet coating device and the method provided by the invention can effectively reduce the occurrence of tension cracks or fracture of materials during rolling.
Description
Technical Field
The invention relates to the technical field of tobacco machinery, in particular to a tobacco sheet coating device and a method.
Background
The tobacco sheet is prepared by processing tobacco waste such as tobacco stems, tobacco powder and inferior tobacco leaves which are discarded in the production process of cigarettes to prepare a sheet tobacco regenerated raw material which meets the formula requirements of the cigarettes, and the tobacco sheet is blended into natural tobacco leaves according to a certain proportion to prepare the cigarettes.
There are three main processes for making tobacco sheets, namely: the radiation method, the thick pulp method and the paper-making method, when the paper-making method is used for producing the tobacco sheets, the coating of the sheets usually adopts a dip-coating or roll-coating device similar to the surface sizing of paper. In order to tighten up the material during the rolling, the material must produce certain pulling force, and because material intensity is low, can not receive the pulling force when coating back material humidity is high, it bears the free condition and does not receive tension basically, though the material humidity after the drying reduces, lead to can bearing a small amount of pulling force, nevertheless still can't ensure it can bear the pulling force that needs bear when rolling, thereby lead to the material to produce the crackle when the rolling and even break off, seriously influence tobacco flake's finished product quality and production efficiency.
Therefore, designing a tobacco sheet coating device capable of effectively reducing the occurrence of cracks or fractures caused by tension force when materials are rolled is an urgent problem to be solved by the technical personnel in the field.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a tobacco sheet coating device, which solves the problems that the material strength is low, the material after coating cannot bear tension when the humidity is high, the material can bear no tension basically under a free condition, and the material after drying can bear a small amount of tension due to the reduction of the humidity, but the material cannot be guaranteed to bear the tension required to be borne during rolling, so that the material is cracked or even broken during rolling, and the finished product quality and the production efficiency of the tobacco sheet are seriously affected, and the occurrence of cracking or breaking of the tension of the material during rolling can be effectively reduced.
The invention provides a tobacco sheet coating device, which comprises hot air drying equipment, net pressing equipment, a tension roller frame and coiling equipment which are arranged in sequence;
the hot air drying equipment comprises a conveying unit and a drying unit, wherein the drying unit is arranged below the conveying unit and is used for drying the tobacco sheets carried on the conveying unit;
the net pressing equipment is connected with the transportation unit and is used for pressing the dried tobacco sheets;
the tension roller frame is connected with the net pressing equipment;
and the coiling equipment is connected with the tension roller frame and is used for coiling the tobacco sheets.
Preferably, the device also comprises a filter screen device and a film transfer and roll coating device positioned in front of the filter screen device;
the film transfer roller coating equipment is used for roller coating the tobacco sheets;
the filter screen equipment is arranged in front of the hot air drying equipment and is used for cleaning the polyester screen in the film transfer roller coating equipment.
The tobacco sheet feeding device comprises a film transfer roller coating device, and is characterized by further comprising an unwinding device arranged in front of the film transfer roller coating device, wherein the unwinding device is used for unwinding tobacco sheets to enter the film transfer roller coating device.
And further, the tobacco sheet drying device further comprises a drying cylinder arranged between the unreeling device and the film transfer and roll coating device, and the drying cylinder is used for drying the tobacco sheets.
Preferably, the net pressing equipment comprises an air cylinder, a compression roller, a guide roller and a net pressing body, the net pressing body is sleeved on the compression roller and the guide roller, and the air cylinder is used for controlling the tensioning degree of the net pressing body.
Preferably, the filter screen equipment is including driving the screen roller, filtering the deflector roll, filter screen, brush cleaning roller and spray pipe, it establishes to filter the screen cover drive the screen roller with filter on the deflector roll, the brush cleaning roller with the spray pipe all sets up the below of filter screen.
Preferably, the filter screen equipment further comprises a tensioning device, and the tensioning device is connected with one of the filter guide rollers and can drive the filter guide roller to move along the radial direction of the filter guide roller.
Preferably, the filter screen equipment further comprises a deviation correcting device, and the deviation correcting device is connected with one of the filter guide rollers and can drive the filter guide rollers to move along the axial direction of the filter guide rollers.
The invention also provides a tobacco sheet coating method, which adopts a tobacco sheet coating device comprising the screen pressing equipment and the filter screen equipment, and comprises the following steps:
s101, unreeling a finished tobacco sheet by the unreeling device, and then feeding the finished tobacco sheet into the drying cylinder;
s102, drying the tobacco sheets in the drying cylinder through the drying cylinder;
s103, carrying out roller coating on the dried tobacco sheets by the film transfer roller coating equipment;
s104, the coated tobacco sheets pass through the filter screen equipment, and the polyester screen is cleaned;
s105, introducing the tobacco sheets into the hot air drying equipment for hot air drying, and then sending the tobacco sheets into the net pressing equipment;
s106, providing tension for the tobacco sheets through the net pressing equipment;
s107, carrying out tension detection on the tobacco sheets by the tension roller frame;
and S108, inputting the tobacco sheets passing the tension detection into the coiling equipment to be coiled into finished paper rolls.
According to the tobacco sheet coating device provided by the embodiment, the net pressing equipment is added after drying and before rolling, so that the tension of the front and rear materials is disconnected, the materials in front of the net pressing equipment bear the free condition and are basically free from tension, and the materials behind the net pressing equipment bear certain tension, so that the materials are tightened. And a tension roller frame is added behind the net pressing equipment to detect the tension of the material, the tension value at the position is detected and compared with a set value, the tension value is fed back to the front hot air drying equipment and the rear coiling equipment to adjust the speed, the tension is kept in a proper range, and the coiling requirement of the coiling equipment is met. The problem that the finished product quality and the production efficiency of the tobacco sheets are seriously influenced because the tobacco sheets or materials are cracked or broken under the tension force during rolling is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of one embodiment of a tobacco sheet coating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the detailed structure of the wire pressing device at A in FIG. 1;
fig. 3 is a schematic structural diagram of a filter screen device of a tobacco sheet coating apparatus according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, the tobacco sheet coating apparatus according to the present embodiment includes a hot air drying device, a screen press device 1, a tension roller frame, and a winding device, which are sequentially disposed;
the hot air drying equipment comprises a conveying unit and a drying unit, wherein the drying unit is arranged below the conveying unit and is used for drying the tobacco sheets carried on the conveying unit;
the net pressing device 1 is connected with the transportation unit and is used for pressing the dried tobacco sheets;
the tension roll frame is connected with the net pressing equipment 1;
the coiling device is connected with the tension roller frame and used for coiling the tobacco sheets.
Because the material strength of the tobacco sheet is low, the material after coating can not be pulled when the humidity is high, the material after drying can be pulled when the humidity is low, and the material must have certain pulling force in order to tighten the material during rolling.
When the device is used, the coated tobacco sheets are conveyed to the conveying unit, the drying unit below the conveying unit is used for drying the tobacco sheets carried on the conveying unit, the dried tobacco sheets are conveyed to the net pressing device 1 through the conveying unit, tension is provided for the tobacco sheets through the net pressing device 1, then the tobacco sheets are subjected to tension detection through the tension roller frame, and finally the tobacco sheets enter the coiling device to be coiled into finished paper rolls.
In the embodiment, the net pressing device 1 is additionally arranged after drying and before rolling, the tension of the front and rear materials is disconnected, the materials in front of the net pressing device 1 bear free conditions and are basically free of tension, the materials behind the net pressing device 1 bear certain tension, the materials are further tightened, a tension roller frame is additionally arranged behind the net pressing device 1 to detect the tension of the materials, the tension value at the position is detected and compared with a set value, the speed of the hot air drying device in front and the rolling device behind are fed back to adjust the speed, the tension is kept in a proper range, and the rolling requirement of the rolling device is met. The problem that the finished product quality and the production efficiency of the tobacco sheets are seriously influenced because the tobacco sheets or materials are cracked or broken under the tension force during rolling is solved.
Preferably, as shown in fig. 3, the device also comprises a filter screen device 2 and a film transfer roll coating device positioned in front of the filter screen device 2;
the film transfer roller coating equipment is used for roller coating the tobacco sheets;
the filter screen device 2 is arranged in front of the hot air drying device and is used for cleaning the polyester screen in the film transfer roller coating device.
And a set of independent transition net equipment is added behind the film transfer roller coating equipment, and an independent polyester net cleaning system is arranged. Because the polyester net is easily polluted by the coating liquid after coating and is disconnected with the dried polyester net, the coating liquid is prevented from polluting hot air drying equipment, the cleaning workload and the downtime are reduced, and the working efficiency is further improved.
The tobacco sheet feeding device comprises a film transfer roller coating device, and is characterized by further comprising an unwinding device arranged in front of the film transfer roller coating device, wherein the unwinding device is used for unwinding a tobacco sheet to enter the film transfer roller coating device.
In practical use, the unwinding device is arranged at the foremost end of the whole tobacco sheet coating system and is used for unwinding the tobacco sheets to enter the film transfer roller coating device.
And further, the device also comprises a drying cylinder arranged between the unreeling device and the film transfer roller coating device, and the drying cylinder is used for drying the tobacco sheets.
In practical use, the drying cylinder generally comprises a drying cylinder with a hollow inner cavity and a drying part, and before the tobacco sheets enter the film transfer roll coating device for coating, the drying part is used for drying the tobacco sheets conveyed into the drying cylinder, so that the tobacco sheets entering the film transfer roll coating device meet the coating requirement.
Preferably, as shown in fig. 2, the wire pressing device 1 comprises an air cylinder 11, a pressing roller 12, a guide roller 13 and a pressing wire 14, wherein the pressing wire 14 is sleeved on the pressing roller 12 and the guide roller 13, and the air cylinder 11 is used for controlling the tension degree of the pressing wire 14.
In practical use, a lower net is arranged below the press net 14 and is also sleeved on the press roller 12 and the guide roller 13, the press net 14 is driven by the lower net to rotate, and the air cylinder 11 controls the tensioning degree of the press net 14 by driving to clamp or loosen, so that the press net 14 clamps the tobacco sheets together with the lower net to advance under the appropriate tensioning degree.
Preferably, as shown in fig. 3, the filter screen device 2 includes a screen driving roller 21, a filter guide roller 22, a filter screen 23, a brush cleaning roller 24 and a water spraying pipe 25, wherein the filter screen 23 is sleeved on the screen driving roller 21 and the filter guide roller 22, and the brush cleaning roller 24 and the water spraying pipe 25 are both arranged below the filter screen 23.
The coated tobacco sheet falls on the filter screen 23, and is driven by the screen driving roller 21 and the filter guide roller 22 to move towards the drying cylinder, the water spraying pipe 25 washes the coating liquid left on the filter screen 23, and the brush cleaning roller 24 brushes and cleans the filter screen 23.
In use, the type, size and specific arrangement mode of the filter screen 23 can be selected according to actual needs, for example, the filter screen 23 can be detachably connected so as to adapt to different production requirements and be convenient to maintain and replace.
Preferably, as shown in fig. 3, the filter screen apparatus 2 further includes a tensioning device 26, and the tensioning device 26 is connected to one of the filter guide rollers 22 and can move the filter guide roller 22 along the radial direction thereof.
The tensioning device 26 provides a proper tension for the filter screen 23, that is, by driving the filter guide roller 22 to move along the radial direction thereof, the part of the filter screen 23 sleeved on the filter guide roller 22 moves to a required direction, for example, moves outwards, so as to improve the tension of the filter screen 23, and conversely, if the filter screen moves inwards, the tension of the filter screen 23 is reduced, so as to realize the adjustment effect on the tension of the filter screen 23.
Preferably, as shown in fig. 3, the filter screen apparatus 2 further includes a deviation correcting device 27, and the deviation correcting device 27 is connected to one of the filter guide rollers 22 and drives the filter guide roller 22 to move along the axial direction thereof.
The deviation rectifying device 27 rectifies the deviation of the filter screen 23 on line, and drives the filter guide roller 22 to move along the axial direction thereof, so as to move a part of the filter screen 23 sleeved on the filter guide roller 22 to a required axial position, thereby realizing the adjustment of the angle or the position of the filter screen 23 and rectifying the deviation phenomenon of the filter screen 23.
The invention also provides a tobacco sheet coating method, which adopts a tobacco sheet coating device comprising a screen pressing device 1 and a filter screen device 2, and comprises the following steps:
s101, unreeling a finished tobacco sheet by an unreeling device, and then feeding the finished tobacco sheet into a drying cylinder;
s102, drying the tobacco sheets in the drying cylinder through the drying cylinder;
s103, carrying out roller coating on the dried tobacco sheets by using film transfer roller coating equipment;
s104, the coated tobacco sheets pass through a filter screen device 2, and a polyester net is cleaned;
s105, introducing the tobacco sheets into hot air drying equipment for hot air drying, and then feeding the tobacco sheets into a net pressing device 1;
s106, providing tension for the tobacco sheets through the net pressing equipment 1;
s107, carrying out tension detection on the tobacco sheets by using a tension roller frame;
and S108, feeding the tobacco sheets passing the tension detection into a coiling device to be coiled into finished paper rolls.
The detailed procedures and details of the tobacco sheet coating method can be referred to the related description of the tobacco sheet coating device, and the same technical effects can be produced, which will not be described herein again.
In the embodiments provided in the present application, it should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
The apparatus and method for applying tobacco sheets according to the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. A tobacco sheet coating device is characterized by comprising hot air drying equipment, net pressing equipment, a tension roller frame and coiling equipment which are arranged in sequence;
the hot air drying equipment comprises a conveying unit and a drying unit, wherein the drying unit is arranged below the conveying unit and is used for drying the tobacco sheets carried on the conveying unit;
the net pressing equipment is connected with the transportation unit and is used for pressing the dried tobacco sheets;
the tension roller frame is connected with the net pressing equipment;
and the coiling equipment is connected with the tension roller frame and is used for coiling the tobacco sheets.
2. The tobacco sheet coating apparatus of claim 1, further comprising a screen apparatus and a film transfer roll coating apparatus located before the screen apparatus;
the film transfer roller coating equipment is used for roller coating the tobacco sheets;
the filter screen equipment is arranged in front of the hot air drying equipment and is used for cleaning the polyester screen in the film transfer roller coating equipment.
3. The tobacco sheet coating apparatus of claim 2, further comprising an unwinding device disposed before the film transfer roll coating device, the unwinding device being configured to unwind the tobacco sheet into the film transfer roll coating device.
4. The tobacco sheet coating apparatus of claim 3, further comprising a dryer cylinder disposed between said unwind apparatus and said film transfer roll coating apparatus, said dryer cylinder for drying the tobacco sheet.
5. The tobacco sheet coating apparatus according to claim 1, wherein the screen press device includes a cylinder, a press roller, a guide roller, and a screen press fitted over the press roller and the guide roller, the cylinder controlling a tension degree of the screen press.
6. The tobacco sheet coating apparatus according to claim 2, wherein the filter screen device includes a screen driving roller, a filter guide roller, a filter screen, a brush cleaning roller, and a water spray pipe, the filter screen being fitted over the screen driving roller and the filter guide roller; the brush cleaning roller and the water spray pipe are arranged below the filter screen.
7. The tobacco sheet coating apparatus of claim 6, wherein the filter screen device further comprises a tensioning device connected to one of the filter guide rollers and adapted to move the filter guide roller in a radial direction thereof.
8. The tobacco sheet coating apparatus of claim 6, wherein the filter screen device further comprises a deviation correcting device connected to one of the filter guide rollers and adapted to move the filter guide roller in the axial direction thereof.
9. A method of coating tobacco sheets, using a tobacco sheet coating apparatus according to any one of claims 4 to 6, comprising the steps of:
s101, unreeling a finished tobacco sheet by the unreeling device, and then feeding the finished tobacco sheet into the drying cylinder;
s102, drying the tobacco sheets in the drying cylinder through the drying cylinder;
s103, carrying out roller coating on the dried tobacco sheets by the film transfer roller coating equipment;
s104, the coated tobacco sheets pass through the filter screen equipment, and the polyester screen is cleaned;
s105, introducing the tobacco sheets into the hot air drying equipment for hot air drying, and then sending the tobacco sheets into the net pressing equipment;
s106, providing tension for the tobacco sheets through the net pressing equipment;
s107, carrying out tension detection on the tobacco sheets by the tension roller frame;
and S108, inputting the tobacco sheets passing the tension detection into the coiling equipment to be coiled into finished paper rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857702.1A CN113576018A (en) | 2021-07-28 | 2021-07-28 | Tobacco sheet coating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857702.1A CN113576018A (en) | 2021-07-28 | 2021-07-28 | Tobacco sheet coating device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113576018A true CN113576018A (en) | 2021-11-02 |
Family
ID=78251071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110857702.1A Pending CN113576018A (en) | 2021-07-28 | 2021-07-28 | Tobacco sheet coating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113576018A (en) |
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| US20030155395A1 (en) * | 2002-01-08 | 2003-08-21 | Metso Automation Oy | Method and equipment in connection with a paper machine or a paper web finishing apparatus |
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