CN114794518B - Tobacco sheet composite rolling method - Google Patents
Tobacco sheet composite rolling method Download PDFInfo
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- CN114794518B CN114794518B CN202210150507.XA CN202210150507A CN114794518B CN 114794518 B CN114794518 B CN 114794518B CN 202210150507 A CN202210150507 A CN 202210150507A CN 114794518 B CN114794518 B CN 114794518B
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H39/00—Associating, collating, or gathering articles or webs
- B65H39/16—Associating two or more webs
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Abstract
The invention discloses a tobacco sheet composite rolling device and a rolling method, wherein the rolling device comprises a rack; the rolling mechanism comprises a fixed pressing roller and a movable pressing roller; a servo drive device capable of adjusting the distance between the two rollers; the distance measuring device is used for detecting the distance between the two rollers; the first transmission device drives the fixed compression roller to rotate at a rotating speed; the second transmission device drives the movable press roller to rotate at another rotating speed; a drying device capable of blowing air to dry the sheet; the scraper device can scrape the material on the compression roller; the feeding mechanism guides the tobacco sheets to the fixed pressing roller; a control unit. The composite tobacco sheet produced by the method has a higher filling value, can realize the complementation of advantages and disadvantages among different tobacco sheets, endows the composite tobacco sheet with more physical and chemical properties, optimizes various indexes such as the structure, the taste and the appearance of the sheet, improves the quality of the sheet, and greatly improves the properties such as the toughness, the tensile strength and the folding strength of the formed composite sheet.
Description
Technical Field
The invention relates to the technical field of tobacco processing, in particular to a tobacco sheet composite rolling method.
Background
The tobacco sheet is also called recombined tobacco leaf, homogenized tobacco leaf, etc. and is artificial tobacco sheet base prepared with tobacco leaf fragment, tobacco powder, tobacco stem or inferior tobacco leaf material and through adding adhesive, other additives, etc. and processing. The tobacco sheet can be used as a raw material of a tobacco product to replace the natural cigar inner wrapping leaves to manufacture cigars or be used as a cut tobacco raw material of cigarettes after being cut into cut tobacco. The cigar inner wrapping leaf is rolled into a disc shape and is cut into filaments for being used as cigarette raw materials. The tobacco sheet is made of low-grade raw materials and leftover materials of tobacco, has the advantages of low cost, good filling property, capability of reducing tar content in smoke and the like, and is widely applied to the production of tobacco products. At present, the field of tobacco sheet manufacturing generally adopts a paper making method, a thick pulp method and a rolling method to prepare the tobacco sheet, and particularly the rolling method and the rolling method are the most suitable for the requirements of a novel tobacco process.
However, the existing rolling device can only mix and roll the tobacco raw material with substances such as an adhesive, a reinforcing agent, a humectant, water and the like into a single-layer tobacco sheet, the single-layer tobacco sheet is shredded into a straight filament shape, the problems of tight arrangement, fragility, poor tensile strength, poor folding resistance and the like exist, and the cohesion degree is poor after the single-layer tobacco sheet is mixed with tobacco shreds, so that cigarettes are loose and easy to adhere. However, the existing tobacco sheet processing and improving technology focuses more on the modulation of the sheet formula and the change of the chemical structure and the performance, and relatively less attention is paid to the research on the tobacco sheet forming and shaping technology.
Disclosure of Invention
The invention provides a tobacco sheet composite rolling method, which aims to solve at least one technical problem in the technical problem.
The technical scheme adopted by the invention is as follows:
a tobacco sheet composite rolling method adopts a tobacco sheet composite rolling device, and the tobacco sheet composite rolling device comprises: a frame; the rolling mechanism comprises a fixed pressing roller and a movable pressing roller which are arranged on the rack side by side; the servo driving device can drive the movable pressing roller to move close to or away from the fixed pressing roller so as to adjust the distance between the movable pressing roller and the fixed pressing roller; a distance measuring device for detecting a distance between the moving pressing roller and the fixed pressing roller; the first transmission device can drive the fixed compression roller to rotate at a rotating speed; the second transmission device can drive the movable pressing roller to rotate at another rotating speed, and the rotating speed of the fixed pressing roller is greater than that of the movable pressing roller; a drying device capable of blowing air to the sheet on the fixed press roller for drying; the scraper device can scrape the materials on the fixed compression roller and the movable compression roller; a feeding mechanism capable of guiding tobacco sheets to the fixed press roll; the servo driving device, the distance measuring device, the first transmission device and the second transmission device are all electrically connected with the control unit;
the tobacco sheet composite rolling method adopting the tobacco sheet composite rolling device comprises the following steps:
s1: controlling the distance between the fixed pressing roller and the movable pressing roller to be a first distance, controlling the rotating speed of the fixed pressing roller to be a first rotating speed, and controlling the rotating speed of the movable pressing roller to be a second rotating speed, wherein the first rotating speed is greater than the second rotating speed;
s2: the method comprises the following steps of (1) guiding various tobacco sheets to a fixed pressing roller and arranging the tobacco sheets in a stacking mode, enabling the various tobacco sheets to pass through the fixed pressing roller and a movable pressing roller to realize first-time rolling to form a composite sheet, and enabling the composite sheet to be adhered to the fixed pressing roller;
s3: blowing hot air to the composite sheet adhered to the fixed compression roller by a drying device for drying treatment to ensure that the water content of the composite sheet is 25-30%;
s4: taking the composite sheet off the fixed compression roller through a scraper device, and scraping waste materials adhered to the movable compression roller through the scraper device;
s5: the servo driving device drives the movable compression roller to move close to the fixed compression roller, and the distance between the fixed compression roller and the movable compression roller is controlled to be a second distance by the distance measuring device;
s6: the composite sheet is guided to the fixed pressing roller again to pass through the fixed pressing roller and the movable pressing roller to realize secondary rolling;
s7: repeating the steps S4-S6 for three or four times, gradually reducing the distance between the fixed compression roller and the movable compression roller until the composite sheet is rolled to a preset thickness, and blowing hot air to the composite sheet adhered to the fixed compression roller by a drying device for drying treatment to enable the water content of the composite sheet to be 10% -20%;
s8: the composite sheet reaching the preset thickness is taken down from the fixed compression roller through the scraper device, and waste materials adhered to the movable compression roller are scraped through the scraper device.
The tobacco sheet composite rolling method also has the following additional technical characteristics:
the distance measuring device is a digital laser displacement sensor, the digital laser displacement sensor transmits a detection signal obtained by detecting the distance between the movable pressing roller and the fixed pressing roller to the control unit, and the control unit controls the servo driving device to be opened and closed according to the detection signal.
The servo driving device is fixed on the rack, and an output shaft of the servo driving device is in transmission connection with the movable pressing roller through a lead screw.
The scraper device comprises a first scraper piece for scraping the fixed press roll and a second scraper piece for scraping the movable press roll.
The first scraper piece is arranged on one side, deviating from the fixed compression roller, of the movable compression roller, and the second scraper piece is arranged on one side, deviating from the fixed compression roller, of the movable compression roller.
The drying device is a hot air gun, and the blowing temperature of the hot air gun is adjustable.
The first transmission device comprises a first driving motor, a first belt wheel, a second belt wheel and a first belt, and the first driving motor, the first belt wheel, the first belt, the second belt wheel and the fixed pressing roller are in transmission connection; the second transmission device comprises a second driving motor, a third belt wheel, a fourth belt wheel and a second belt, and the second driving motor, the third belt wheel, the second belt, the fourth belt wheel and the movable pressing roller are in transmission connection.
The feeding mechanism comprises at least two rotatable sheet rollers, each of which is capable of guiding tobacco sheets to the stationary pressure roller.
When two tobacco sheets are rolled to form a composite sheet, the size of the first interval is 1.2-1.5 times of the preset thickness of the composite sheet; when three tobacco sheets are rolled to form the composite sheet, the size of the first interval is 1.6-2 times of the preset thickness of the composite sheet.
Due to the adoption of the technical scheme, the invention has the technical effects that:
the tobacco sheet composite rolling device and the tobacco sheet composite rolling method provided by the invention can roll different types of tobacco sheets with different physicochemical characteristics and different functions into an integrated composite sheet, so that the composite sheet has a higher filling value, the complementation between the advantages and the disadvantages of the different tobacco sheets can be realized, more physicochemical characteristics are endowed to the composite tobacco sheet, more functional materials can be added and adsorbed in the composite sheet conveniently, various indexes such as sheet structure, taste and appearance are optimized, the sheet quality is improved, the characteristics such as toughness, tensile strength and folding resistance of the formed composite sheet are greatly improved, the sheet has wider functions and purposes, and when the composite rolling device and the composite rolling method are applied to products such as cigarettes, the smoking taste can be greatly improved, and the user experience degree is improved.
2. The tobacco sheet composite rolling device provided by the invention drives the movable pressing roller to move close to or far from the fixed pressing roller through the servo driving device so as to adjust the distance between the movable pressing roller and the fixed pressing roller, and can be matched with the distance measuring device, so that the automatic and accurate control of the adjustment of the roller distance is realized, a manual roller distance adjusting mode is replaced, the servo driving device can more accurately control the distance between the two rollers, the designated roller distance is realized, the preset composite sheet forming thickness is further realized, the improvement of the uniformity and the integrity of the formed composite sheet is facilitated, the bonding force between the sheets is larger, and the finished product quality of the composite sheet is higher. Moreover, the fixed compression roller and the movable compression roller are arranged side by side along the horizontal direction, so that the feeding mechanism can conveniently fill tobacco sheets between the fixed compression roller and the movable compression roller, and the sheets are more conveniently and quickly filled. In addition, the rotating speed of the fixed pressing roller is greater than that of the movable pressing roller during working, so that the difference of the rotating speeds of the fixed pressing roller and the movable pressing roller can be utilized, the composite sheet formed by rolling is adhered to the fixed pressing roller, and the drying operation and the taking-out operation of the composite sheet are simpler and more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a composite rolling device for tobacco sheets according to the present invention;
fig. 2 is a flow chart of a tobacco sheet composite rolling method provided by the invention.
Reference numerals:
the device comprises a machine frame 1, a fixed press roller 21, a movable press roller 22, a servo driving device 3, a distance measuring device 4, a digital laser displacement sensor 41, a first driving motor 51, a first belt wheel 52, a second belt wheel 53, a first belt wheel 54, a second driving motor 55, a third belt wheel 56, a fourth belt wheel 57, a second belt wheel 58, a drying device 6, a hot air gun 61, a first scraper piece 71, a second scraper piece 72, a feeding mechanism 8 and a lead screw 9.
Detailed Description
In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those illustrated in the drawings, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the embodiment of the present invention, a tobacco sheet composite rolling method is provided, which uses a tobacco sheet composite rolling device as shown in fig. 1, and for convenience of illustration and understanding, the following contents provided by the present invention are all explained on the basis of the structure of the illustrated product. Of course, it is understood by those skilled in the art that the above-described structure is only used as a specific example and illustrative illustration, and does not constitute a specific limitation to the technical solution provided by the present invention.
Specifically, as shown in fig. 1, the tobacco sheet composite rolling device includes: a frame 1; a rolling mechanism including a fixed rolling roller 21 and a movable rolling roller 22 arranged side by side in the frame 1; the servo driving device 3 can drive the movable pressing roller 22 to move close to or away from the fixed pressing roller 21 so as to adjust the distance between the movable pressing roller 22 and the fixed pressing roller 21; a distance measuring device 4 for detecting a distance between the moving pressing roller 22 and the fixed pressing roller 21; a first transmission device capable of driving the fixed pressing roller 21 to rotate at a rotating speed; the second transmission device can drive the movable pressing roller 22 to rotate at another rotating speed, and the rotating speed of the fixed pressing roller 21 is greater than that of the movable pressing roller 22; a drying device 6 capable of blowing and drying the tobacco sheets on the fixed pressing roll 21; a scraper device capable of scraping the materials on the fixed pressing roll 21 and the movable pressing roll 22; a feeding mechanism 8 capable of feeding tobacco sheets to the fixed pressing roller 21; the servo driving device 3, the distance measuring device 4, the first transmission device and the second transmission device are all electrically connected with the control unit.
The feeding mechanism 8 can guide different tobacco sheets to the fixed pressing roller 21 in a stacking mode, the first transmission device drives the fixed pressing roller 21 to rotate anticlockwise, the second transmission device drives the movable pressing roller 22 to rotate clockwise, and the tobacco sheets are driven to be rolled between the fixed pressing roller 21 and the movable pressing roller 22 along with the rotation of the fixed pressing roller 21.
First transmission and second transmission control the rotation of fixed compression roller 21 and removal compression roller 22 respectively, and the rotational speed of the fixed compression roller 21 of during operation is greater than the rotational speed of removing compression roller 22, can utilize the difference of the rotational speed of fixed compression roller 21 and removal compression roller 22, fixed compression roller 21 has the shearing dynamics to the tobacco sheet, make the fashioned composite sheet adhesion of roll-in on fixed compression roller 21, make the stoving operation and the operation of taking out to the composite sheet all simpler, convenient. It is convenient to adjust the speed ratio of the fixed nip roller 21 and the moving nip roller 22, and a suitable speed ratio helps the composite sheet to be quickly separated from the moving nip roller 22 and adhered to the fixed nip roller 21.
The drying device 6 dries the composite sheets on the fixed pressing roller 21 by blowing, so that the moisture content of the composite sheets can be greatly reduced, the moisture content of the composite sheets is kept at a balanced level, and the flexibility, the combustibility and the smoking comfort of the composite sheets are improved.
The scraper device can scrape fixed compression roller 21 with material on the removal compression roller 22, to this application, because the composite sheet adhesion that forms after the roll-in is on fixed compression roller 21, consequently the roll surface of scraping fixed compression roller 21 through the scraper device mainly takes out tobacco flake from fixed compression roller 21, and the roll surface of scraping removal compression roller 22 of scraper device mainly in time scrapes the waste material of adhesion on removing compression roller 22, guaranteed that removal compression roller 22 has clean roll surface, avoid the waste material to exist and influence next process and cause composite sheet's shaping quality to descend.
The servo driving device 3, the distance measuring device 4, the first transmission device and the second transmission device are electrically connected with the control unit, man-machine interaction is achieved through the control unit, for example, the control unit can be connected with a computer operation platform, each process of the tobacco sheet composite rolling device can be automatically controlled, manpower is liberated, and production benefits are improved.
As a preferred embodiment of the present invention, the distance measuring device 4 may be a digital laser displacement sensor 41, the digital laser displacement sensor 41 transmits a detection signal obtained by detecting a distance between the movable pressing roller 22 and the fixed pressing roller 21 to the control unit, and the control unit controls the opening and closing of the servo driving device 3 according to the detection signal.
The distance between the movable compression roller 22 and the fixed compression roller 21 is detected through the digital laser displacement sensor 41, high-precision control of the distance between the two rollers can be achieved, thickness errors between an actually formed sheet and a sheet with a preset thickness are reduced, product quality is improved, the digital laser displacement sensor 41 is simple to install, the high-precision digital laser displacement sensor 41 can be selected, the precision reaches 1 mu m, a high-hardness linear ball bearing is adopted, hundreds of millions of detections can be achieved, the installation place is not limited, the digital laser displacement sensor can be used in a water/oil splashing environment, the digital laser displacement sensor 41 is not influenced by a complex environment and a complex light path when tobacco is rolled, and the service life is longer. In specific implementation, a detection signal obtained by the digital laser displacement sensor 41 is transmitted to a control unit of the tobacco sheet composite rolling device, and the control unit controls the opening and closing of the servo driving device 3 after analyzing the signal so as to realize the moving positioning of the moving pressing roller 22.
As a preferred embodiment of the present invention, as shown in fig. 1, the servo drive device 3 may be fixed to the frame 1, and an output shaft of the servo drive device 3 may be drivingly connected to the movable platen roller 22 through a lead screw 9.
The power is transmitted through the lead screw 9, the rotation of the servo driving device 3 is converted into the translation of the movable press roller 22, the transmission sensitivity is high, and the transmission effect is good. The servo driving device 3 and the lead screw 9 are self-locked, so that the position can be locked, the distance between the movable pressing roller 22 and the fixed pressing roller 21 is kept unchanged, and the stability of the sheet forming thickness is ensured.
As a preferred embodiment of the present invention, as shown in fig. 1, the doctor apparatus may include a first doctor element 71 for scraping the fixed platen roller 21 and a second doctor element 72 for scraping the movable platen roller 22.
The first scraper element 71 can scrape the roll surface of the fixed press roll 21 and take out the composite sheet from the fixed press roll 21, so that the operation is convenient and quick; by the arrangement of the second scraper 72, the roll surface of the moving press roll 22 can be scraped, and waste materials adhered to the moving press roll 22 can be scraped off in time. The first scraper element 71 and the second scraper element 72 can be used for separating work and operating simultaneously, the fixed press roll 21 and the movable press roll 22 can be scraped respectively, and the operation efficiency is high.
Further, as shown in fig. 1, the first scraper element 71 may be disposed on a side of the fixed pressing roller 21 facing away from the movable pressing roller 22, and the second scraper element 72 may be disposed on a side of the movable pressing roller 22 facing away from the fixed pressing roller 21.
Locate the one side that fixed compression roller 21 deviates from movable compression roller 22 with first scraper spare 71, one side that movable compression roller 22 deviates from fixed compression roller 21 is located to second scraper spare 72, two roller interval centers that fixed compression roller 21 and movable compression roller 22 are all kept away from to first scraper spare 71 and second scraper spare 72 promptly, operating space is bigger, made things convenient for in time to the waste material of scraping from movable compression roller 22 in the clearance and in time take out the composite sheet of scraping from fixed compression roller 21, the difficult other parts of process of clearance and taking out produce the interference.
In a preferred embodiment of the present invention, the tobacco sheet composite rolling device may further include a drying device 67 disposed below the fixed press roll 21, and the drying device 67 may blow, dehydrate and dry the tobacco sheet on the fixed press roll 21.
In a preferred embodiment of the present invention, the drying device 6 may be a heat gun 61, and the blowing temperature of the heat gun 61 may be adjustable.
Blow hot-blastly to compound thin slice through hot-blast rifle 61, can reduce compound thin slice's moisture content fast, hot-blast rifle 61 wind speed, amount of wind are stable, and in addition, hot-blast rifle 61's temperature is adjustable, specifically optional hot-blast rifle 61 that has the temperature display function, is convenient for adjust the temperature in order to have higher controllability to the moisture content.
As a preferred embodiment, a moisture detection device may be provided on the fixed pressing roller 21, the moisture detection device being electrically connected to the control unit, the moisture detection device being capable of detecting the moisture content of the composite sheet and transmitting a detection signal to the control unit. Therefore, the real-time monitoring of the water content of the composite slice is realized, and the drying can be stopped in time when the drying device 6 dehydrates and dries the composite slice to a proper degree. The moisture detection device can adopt a moisture content detector, a moisture meter and the like.
As a preferred embodiment of the present invention, as shown in fig. 1, the first transmission device may include a first driving motor 51, a first pulley 52, a second pulley 53 and a first belt 54, and the first driving motor 51, the first pulley 52, the first belt 54, the second pulley 53 and the fixed pressure roller 21 are in transmission connection; the second transmission device comprises a second driving motor 55, a third belt pulley 56, a fourth belt pulley 57 and a second belt 58, and the second driving motor 55, the third belt pulley 56, the second belt 58, the fourth belt pulley 57 and the movable pressing roller 22 are in transmission connection.
In a specific implementation, the first pulley 52 may be coaxially connected to the first driving motor 51, the second pulley 53 may be coaxially connected to the fixed pressure roller 21, and the first belt 54 may be stretched between the first pulley 52 and the second pulley 53, and similarly, the third pulley 56 may be coaxially connected to the second driving motor 55, the fourth pulley 57 may be coaxially connected to the movable pressure roller 22, and the second belt 58 may be stretched between the third pulley 56 and the fourth pulley 57.
As a preferred embodiment of the invention, it is also possible, as shown in fig. 1, for the feeding mechanism 8 to comprise at least two rotatable sheet rolls, each of which is capable of guiding a tobacco sheet to the stationary pressure roll 21.
The present application schematically illustrates that the feeding mechanism 8 comprises three sheet rolls, so that, in operation, three sheet rolls can be used to simultaneously feed at least three different tobacco sheets to the stationary pressing roll 21 to be stacked.
Based on the device, the tobacco sheet composite rolling method provided by the invention comprises the following steps:
s1: the distance between the fixed pressing roller 21 and the movable pressing roller 22 is controlled to be a first distance, the rotating speed of the fixed pressing roller 21 is controlled to be a first rotating speed, the rotating speed of the movable pressing roller 22 is controlled to be a second rotating speed, and the first rotating speed is larger than the second rotating speed. In specific implementation, the servo driving device 3 controls the movable pressing roller 22 to move and to be matched with the distance measuring device 4, and when the distance measuring device 4 detects that the distance between the two rollers reaches the first distance, the servo driving device 3 stops running.
S2: the plurality of tobacco sheets are guided to the fixed pressing roller 21 and are arranged in a stacked mode, the plurality of tobacco sheets are subjected to first-time rolling through the fixed pressing roller 21 and the movable pressing roller 22 to form a composite sheet, and the composite sheet is adhered to the fixed pressing roller 21. In specific implementation, a plurality of tobacco sheets are guided to the fixed pressing roller 21 through the feeding mechanism 8 and are arranged in a stacked mode, and the fixed pressing roller 21 drives the plurality of tobacco sheets to be rolled into the composite sheet.
S3: the composite sheet adhered to the fixed press roller 21 is dried by blowing hot air through the drying device 6. The composite sheet is adhered to the fixed pressing roller 21, and in the rotating process of the fixed pressing roller 21, air is blown to the composite sheet through the drying device 6, so that the dehydration and drying of the composite sheet are realized, and the water content of the composite sheet is 25% -30%.
S4: the composite sheet is removed from the fixed press roll 21 by a doctor device and the waste adhering to the moving press roll 22 is scraped off by the doctor device. When the composite sheet meets the preliminary thickness requirement, the composite sheet is removed using a scraper device and the waste material adhering to the moving press roll 22 is scraped off.
S5: the servo driving device 3 drives the movable pressing roller 22 to move close to the fixed pressing roller 21, and the distance between the fixed pressing roller 21 and the movable pressing roller 22 is controlled to be a second distance through the distance measuring device 4.
S6: the composite sheet is again fed to the fixed press roll 21 by the feeding mechanism 8 to pass through the fixed press roll 21 and the movable press roll 22 for second rolling.
S7: and repeating the steps S4-S6 for three or four times, gradually reducing the distance between the fixed pressing roller 21 and the movable pressing roller 22 until the composite sheet is rolled to a preset thickness, and blowing hot air to the composite sheet adhered to the fixed pressing roller 21 by the drying device 6 for drying treatment to enable the water content of the composite sheet to be 10% -20%.
S8: the composite sheet having reached the preset thickness is removed from the fixed press roll 21 by the scraper device, and the waste adhered to the moving press roll 22 is scraped off by the scraper device.
Preferably, when two sheets of tobacco sheets are rolled to form a composite sheet, the first distance is 1.2 to 1.5 times the preset thickness of the composite sheet; when three tobacco sheets are rolled to form the composite sheet, the size of the first interval is 1.6-2 times of the preset thickness of the composite sheet. The size of the first distance can realize that the multilayer tobacco sheets can be smoothly and smoothly rolled into a whole, if the first distance is too small, the tobacco sheets cannot smoothly enter between the two rollers, but part of the tobacco sheets are blocked above the two rollers, and proper composite sheets cannot be obtained, and if the first distance is too small, the multilayer tobacco sheets are not favorably and forcefully combined into a whole. The size of the first distance is 1.2-1.5 times of the preset thickness of the composite sheet when the two tobacco sheets are rolled to form the composite sheet, and the size of the first distance is 1.6-2 times of the preset thickness of the composite sheet when the three tobacco sheets are rolled to form the composite sheet, so that the multilayer tobacco sheets can be smoothly rolled into a whole, and the production quality of the composite sheet is ensured.
The tobacco sheet composite rolling device and the tobacco sheet composite rolling method provided by the invention can roll different types of tobacco sheets with different physicochemical characteristics and different functions into an integrated composite sheet, so that the composite sheet has a higher filling value, the complementation between the advantages and the disadvantages of the different tobacco sheets can be realized, more physicochemical characteristics are endowed to the composite tobacco sheet, more functional materials can be added and adsorbed in the composite sheet conveniently, various indexes such as sheet structure, taste and appearance are optimized, the sheet quality is improved, the characteristics such as toughness, tensile strength and folding resistance of the formed composite sheet are greatly improved, the sheet has wider functions and purposes, and when the composite rolling device and the composite rolling method are applied to products such as cigarettes, the smoking taste can be greatly improved, and the user experience degree is improved.
Therefore, the tobacco sheet composite rolling device and the tobacco sheet composite rolling method provided by the invention provide various modification modes for the tobacco sheets, have wide applicability, can be used as a platform and a method for improving cigarettes, and have higher practical value and popularization and application significance.
The method can be realized by adopting or referring to the prior art in places which are not described in the invention.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A tobacco sheet composite rolling method adopts a tobacco sheet composite rolling device and is characterized in that,
the tobacco sheet composite rolling device comprises:
a frame;
the rolling mechanism comprises a fixed pressing roller and a movable pressing roller which are arranged on the rack side by side;
the servo driving device can drive the movable pressing roller to move close to or away from the fixed pressing roller so as to adjust the distance between the movable pressing roller and the fixed pressing roller;
a distance measuring device for detecting a distance between the movable pressing roller and the fixed pressing roller;
the first transmission device can drive the fixed compression roller to rotate at a rotating speed;
the second transmission device can drive the movable pressing roller to rotate at another rotating speed, and the rotating speed of the fixed pressing roller is greater than that of the movable pressing roller;
a drying device capable of blowing air to the sheet on the fixed press roller for drying;
the scraper device can scrape the materials on the fixed compression roller and the movable compression roller;
a feeding mechanism capable of guiding tobacco sheets to the fixed press roll;
the servo driving device, the distance measuring device, the first transmission device and the second transmission device are all electrically connected with the control unit;
the tobacco sheet composite rolling method adopting the tobacco sheet composite rolling device comprises the following steps:
s1: controlling the distance between the fixed pressing roller and the movable pressing roller to be a first distance, controlling the rotating speed of the fixed pressing roller to be a first rotating speed, and controlling the rotating speed of the movable pressing roller to be a second rotating speed, wherein the first rotating speed is greater than the second rotating speed;
s2: the method comprises the following steps of (1) guiding various tobacco sheets to a fixed pressing roller and arranging the tobacco sheets in a stacking mode, enabling the various tobacco sheets to pass through the fixed pressing roller and a movable pressing roller to realize first-time rolling to form a composite sheet, and enabling the composite sheet to be adhered to the fixed pressing roller;
s3: blowing hot air to the composite sheet adhered to the fixed compression roller by a drying device for drying treatment to ensure that the water content of the composite sheet is 25-30%;
s4: taking the composite sheet off the fixed compression roller through a scraper device, and scraping waste materials adhered to the movable compression roller through the scraper device;
s5: the servo driving device drives the movable compression roller to move close to the fixed compression roller, and the distance between the fixed compression roller and the movable compression roller is controlled to be a second distance by the distance measuring device;
s6: the composite sheet is guided to the fixed pressing roller again to pass through the fixed pressing roller and the movable pressing roller to realize secondary rolling;
s7: repeating the steps S4-S6 for three or four times, gradually reducing the distance between the fixed press roller and the movable press roller until the composite sheet is rolled to a preset thickness, and blowing hot air to the composite sheet adhered to the fixed press roller by a drying device for drying treatment to enable the water content of the composite sheet to be 10% -20%;
s8: and taking the composite sheet with the preset thickness off the fixed compression roller through the scraper device, and scraping waste materials adhered to the movable compression roller through the scraper device.
2. A composite rolling method of tobacco sheets according to claim 1,
the distance measuring device is a digital laser displacement sensor, the digital laser displacement sensor transmits a detection signal obtained by detecting the distance between the movable pressing roller and the fixed pressing roller to the control unit, and the control unit controls the servo driving device to be opened or closed according to the detection signal.
3. A composite rolling method of tobacco sheet according to claim 1,
the servo driving device is fixed on the rack, and an output shaft of the servo driving device is in transmission connection with the movable pressing roller through a lead screw.
4. A composite rolling method of tobacco sheet according to claim 1,
the scraper device comprises a first scraper component for scraping the fixed press roller and a second scraper component for scraping the movable press roller.
5. A composite rolling method of tobacco sheets according to claim 4,
the first scraper piece is arranged on one side, deviating from the fixed compression roller, of the movable compression roller, and the second scraper piece is arranged on one side, deviating from the fixed compression roller, of the movable compression roller.
6. A composite rolling method of tobacco sheets according to claim 1,
the drying device is a hot air gun, and the blowing temperature of the hot air gun is adjustable.
7. A composite rolling method of tobacco sheet according to claim 1,
the first transmission device comprises a first driving motor, a first belt wheel and a first belt, and the first driving motor, the first belt wheel, the first belt and the fixed pressing roller are in transmission connection; the second transmission device comprises a second driving motor, a second belt wheel and a second belt, and the second driving motor, the second belt wheel, the second belt and the movable pressing roller are in transmission connection.
8. A composite rolling method of tobacco sheet according to claim 1,
the feeding mechanism comprises at least two rotatable sheet rollers, each of which is capable of guiding tobacco sheets to the stationary pressure roller.
9. A composite rolling method of tobacco sheet according to claim 1,
when two tobacco sheets are rolled to form a composite sheet, the size of the first interval is 1.2-1.5 times of the preset thickness of the composite sheet; when three tobacco sheets are rolled to form the composite sheet, the size of the first interval is 1.6-2 times of the preset thickness of the composite sheet.
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| CN202210150507.XA CN114794518B (en) | 2022-02-18 | 2022-02-18 | Tobacco sheet composite rolling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210150507.XA CN114794518B (en) | 2022-02-18 | 2022-02-18 | Tobacco sheet composite rolling method |
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| CN114794518B true CN114794518B (en) | 2023-02-17 |
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|---|---|---|---|---|
| GB1330189A (en) * | 1969-12-15 | 1973-09-12 | Arenco Ab | Machines for the manufacture of tobacco foils or threads |
| JPS62181768A (en) * | 1986-02-03 | 1987-08-10 | ア−ル・ジエイ・レノルズ・タバコ・カンパニ− | Method and apparatus for supplying regenerated tobacco material |
| CN201509591U (en) * | 2009-10-30 | 2010-06-23 | 程斌 | Composite roller press for producing reconstituted tobacco |
| CN209888009U (en) * | 2019-05-08 | 2020-01-03 | 温州鑫泰新材料股份有限公司 | Calendering product thickness adjusting device |
| CN110897190A (en) * | 2019-11-28 | 2020-03-24 | 中国船舶工业总公司七一五研究所宜昌分部 | Production process of tobacco sheets by rolling method |
| CN214012968U (en) * | 2020-11-09 | 2021-08-20 | 深圳市东恒新能源科技有限公司 | Rolling device for lithium battery production |
-
2022
- 2022-02-18 CN CN202210150507.XA patent/CN114794518B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330189A (en) * | 1969-12-15 | 1973-09-12 | Arenco Ab | Machines for the manufacture of tobacco foils or threads |
| JPS62181768A (en) * | 1986-02-03 | 1987-08-10 | ア−ル・ジエイ・レノルズ・タバコ・カンパニ− | Method and apparatus for supplying regenerated tobacco material |
| CN201509591U (en) * | 2009-10-30 | 2010-06-23 | 程斌 | Composite roller press for producing reconstituted tobacco |
| CN209888009U (en) * | 2019-05-08 | 2020-01-03 | 温州鑫泰新材料股份有限公司 | Calendering product thickness adjusting device |
| CN110897190A (en) * | 2019-11-28 | 2020-03-24 | 中国船舶工业总公司七一五研究所宜昌分部 | Production process of tobacco sheets by rolling method |
| CN214012968U (en) * | 2020-11-09 | 2021-08-20 | 深圳市东恒新能源科技有限公司 | Rolling device for lithium battery production |
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| CN114794518A (en) | 2022-07-29 |
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