A method of manufacturing a sheet tobacco

Abstract

The present application belongs to the technical field of tobacco, and particularly relates to a preparation method of sheet tobacco, and the specific steps are as follows: according to the style positioning of the target product, a tobacco leaf group formula is designed, a tobacco sheet mixture is configured, and the tobacco sheet mixture is subjected to a target setting treatment to form a mixed tobacco sheet; the mixed tobacco sheet is subjected to plastic forming by using a cake pressing plastic forming device to obtain a plastic forming tobacco cake; the plastic forming tobacco cake is subjected to a certain time of setting treatment by using a cake setting device; the set tobacco cake is subjected to solid state fermentation under a set condition; and the fermented tobacco cake is subjected to slicing by using a slicing device to obtain sheet tobacco. The sheet tobacco preparation method of the technical scheme can adapt to various tobacco raw materials, formulas or pretreatment processes, and can set the single cake plastic forming time, setting time and single slicing quantity, has high practicability, and the size of the sliced sheet tobacco is flexible, and the length, width, thickness and weight can be adjusted within a certain range.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of tobacco, and particularly relates to a preparation method of flaky pipe tobacco. BACKGROUND

[0002] In view of the international market, pipe tobacco is mature and has various types, such as loose tobacco, cut tobacco, cow eye tobacco, and granular tobacco. The flaky pipe tobacco originated from foreign sailors and can meet the needs of storage and portability, and is not prone to rapid drying. After development for more than 300 years abroad, the flaky pipe tobacco has become one of the mature and popular pipe tobacco types, such as Rattray's Marlin Flake of RATTRAY company in the United Kingdom, HH Latakia Flake, HH Old Dark Fired, HH Pure Virginia of Mac Baren company, Bob's Chocolate Flake of Gawith Hoggarth & Co. company, PS402 Luxury Twist Flake of Peter Stokkebye company, and Full Virginia Flake of Samuel Gawith company.

[0003] However, as a small number of tobacco products, the research and development and production of pipe tobacco are still in the initial stage in China, and the product types are single. At present, there is no flaky pipe tobacco product. The development of the flaky pipe tobacco product can break through the limitation of the single type of domestic pipe tobacco, realize the innovation of the flaky pipe tobacco product, meet the multiple needs of consumers, and improve the competitiveness and market acceptance of the pipe tobacco product. SUMMARY

[0004] The purpose of the application is to provide a preparation method of flaky pipe tobacco, so as to solve the problems of no flaky pipe tobacco product and few pipe tobacco types in China.

[0005] To achieve the above purpose, the application is realized by the following technical scheme:

[0006] The preparation method of the flaky pipe tobacco comprises the following steps:

[0007] S1, a tobacco leaf pretreatment process:

[0008] According to the style positioning of the target product, a tobacco leaf group formula is designed, the tobacco leaf group formula is configured into a tobacco sheet mixture, and the tobacco sheet mixture is subjected to a target treatment to form a mixed tobacco sheet.

[0009] S2, a tobacco sheet shaping process:

[0010] The mixed tobacco sheet prepared in step S1 is molded by using a cake molding device to obtain a molded tobacco cake;

[0011] S3, tobacco cake shaping process:

[0012] The molded tobacco cake of step S2 is subjected to shaping treatment for a certain time by using a tobacco cake shaping device.

[0013] S4, tobacco cake solid-state fermentation process:

[0014] The shaped tobacco cake of step S3 is subjected to solid-state fermentation under a set condition;

[0015] S5, slicing process:

[0016] The fermented tobacco cake of step S4 is subjected to slicing by using a slicing device to obtain a sheet-shaped pipe tobacco.

[0017] Preferably, in step S1, the tobacco leaf group formula is composed of one or more than one of flue-cured tobacco, sun-cured tobacco, cigar tobacco, burley tobacco, or oriental tobacco.

[0018] Preferably, in step S1, the set target treatment of the tobacco sheet mixture includes applying a set amount of liquid, and performing fermentation, aging, and drying treatment, and the moisture content of the mixed tobacco sheet is between 15% and 22%.

[0019] Preferably, in step S2, the tobacco sheet molding method includes:

[0020] S21, placing a set amount of mixed tobacco sheet uniformly into a molding mold;

[0021] S22, pushing the molding mold with the mixed tobacco sheet into a mold limiting plate;

[0022] S23, setting a pressure head stroke detection position to ensure that the pressure head is pressed to the required height.

[0023] S24, setting the pressure and pressure head holding time;

[0024] S25, after the pressure head reaches the set holding time, it returns to the initial position of the pressure head, pushes out the molding mold, and takes out the molded tobacco cake.

[0025] Preferably, in step S24, the set pressure is 30 MPa, and the pressure head holding time is 5 min.

[0026] Preferably, in step S3, the tobacco cake shaping time is set to 72 hours.

[0027] Preferably, in step S4, when the tobacco cake is subjected to solid-state fermentation, the fermentation temperature is 25±3℃ in summer and 22±3℃ in winter, the humidity is 65±5%, and the fermentation time is ≥7 days.

[0028] Preferably, in step S5, the following slicing method is adopted:

[0029] S51, placing the shaped tobacco cake into the material supply mechanism of the slicing device;

[0030] S52, setting the required single slice thickness by using the human-computer interaction operation interface of the slicing device;

[0031] S53, cutting the long sides of the tobacco cake by the double-knife shaping mechanism, and cutting off the relatively loose and poorly sliced parts around the tobacco cake;

[0032] S54, when the shaped tobacco cake reaches the single-knife slicing mechanism, the control system automatically identifies that the material has reached the designated station, the single-knife slicing mechanism performs single slice cutting, and the quantitative conveying mechanism performs corresponding distance conveying on the matching quantitative pushing material distance;

[0033] S55, obtaining the sliced tobacco plug.

[0034] The present application has the following beneficial effects:

[0035] The sliced tobacco plug preparation method of the present application can adapt to various tobacco raw materials, formulas or pretreatment processes, and can set the single cake shaping time, shaping time and single slice quantity, has strong practicability, and the size of the sliced tobacco plug is flexible, and the length, width, thickness and weight can be adjusted within a certain range. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 The present application relates to a shaping device structure schematic diagram.

[0037] Figure 2 The present application relates to a shaping device structure schematic diagram.

[0038] Figure 3 The present application relates to a shaping device structure schematic diagram.

[0039] Figure 4 The present application relates to a shaping device structure schematic diagram.

[0040] Figure 5 The present application relates to a shaping device structure schematic diagram. Figure 4 The present application relates to a shaping device structure schematic diagram.

[0041] Figure 6 The present application relates to a shaping device structure schematic diagram.

[0042] Figure 7 The present application relates to a shaping device structure schematic diagram.

[0043] Figure 8 The present application relates to a shaping device structure schematic diagram. The present application relates to a shaping device structure schematic diagram.

[0044] Figure 9 Schematic diagram of single-knife slitting mechanism.

[0045] Reference sign explanation:

[0046] 1, machine body; 2, pressure device; 3, guide column; 4, pressure head; 5, operation panel; 6, mold limiting plate; 7, pressure head stroke detection device; 8, molding mold; 9, cigarette cake shaping device; 70, pressure head link plate; 71, lower guide link seat; 72, sliding detection seat; 73, sliding rope; 74, guide rod; 75, fixed plate; 76, detection head; 77, upper guide link seat; 78, right sliding wheel; 79, sliding wheel link plate; 80, left sliding wheel; 81, thickened side plate; 82, limiting plate; 91, lower cover; 92, lower sealing gasket; 93, main body; 94, upper sealing gasket; 95, upper cover; 101, quantitative pushing mechanism; 102, human-computer interaction operation interface; 103, material supply mechanism; 104, double-knife shaping mechanism; 105, single-knife slitting mechanism; 106, quantitative conveying mechanism; 107, residue box; 108, material receiving box; 109, PLC control system; 1051, cigarette cake pressing assembly; 1052, cutter cleaning assembly; 1053, blade; 1054, cigarette receiving plate. DETAILED DESCRIPTION

[0047] The technical solutions of the present application will be described in detail below in combination with the drawings. The following examples are only exemplary and can only be used to explain and illustrate the technical solutions of the present application, but cannot be interpreted as a limitation on the technical solutions of the present application.

[0048] In the technical solutions of the present application, the cake pressing and molding device is involved. The specific structure of the device is disclosed in the applicant's prior application file ZL 202221712646.9, entitled "Molding device for producing cigarette cakes". The cigarette cake shaping device is involved. The specific structure of the cigarette cake shaping device is disclosed in the applicant's prior application file ZL 202221925549.8, entitled "Shaping device for fixing cigarette cakes". The slicing device is involved. The specific structure of the device is disclosed in the applicant's simultaneously filed "Slicing equipment for sheet-shaped pipe tobacco".

[0049] The molding device involved in the present application is as follows Figures 1 to 5As shown, only the main structure of the device is introduced in this application, the connection relationship between the specific components, the action mode, etc. are described in the applicant's ZL 202221712646.9, the invention name is a molding device for producing tobacco cake. The molding device includes a machine body 1, a guide column 3 arranged on the machine body, a pressure device 2 arranged above the guide column 3, a pressure head 4 capable of moving up and down arranged below the pressure device 2, an operation panel 5 arranged on the pressure device 2, a pressure head stroke detection device 7 arranged between the pressure device 2 and the machine body 1, a molding mold 8 movably arranged between the pressure device 2 and the machine body 1, a mold limiting plate 6 arranged on the guide column 3, the molding mold 8 includes a thickened side plate 81 and a limiting plate 82 arranged on one side of the thickened side plate, and the limiting block cooperates with the mold limiting plate. The pressure head stroke detection device 7 includes a lower guide link seat 71, a sliding detection seat 72, a sliding rope 73, a guide rod 74, a fixed plate 75, a detection head 76, an upper guide link seat 77, a right sliding wheel 78, a sliding wheel link plate 79, a left sliding wheel 80 and a pressure head link plate 70.

[0050] The tobacco cake shaping device 9 of the present application is as shown in Figure 6 and Figure 7 includes a lower cover 91, a lower gasket 92, a main body 93, an upper gasket 94 and an upper cover 95, which are connected by a lock catch between the lower cover and the upper cover. The specific detailed structure and connection relationship are described in ZL202221925549.8, the invention name is a shaping device for fixing tobacco cake.

[0051] The slicing device of the present application is as shown in Figure 8 and Figure 9 includes a quantitative pushing mechanism 101, a man-machine interactive operation interface 102, a material supply mechanism 103, a double-knife shaping mechanism 104, a single-knife cutting mechanism 105, a quantitative conveying mechanism 106, a residue box 107, a receiving box 108 and a PLC control system 109. The single-knife cutting mechanism 105 includes a tobacco cake pressing assembly 1051, a cutter cleaning assembly 1052, a blade 1053 and a tobacco receiving plate 1054. For more specific structure, see the applicant's simultaneous application file, the invention name is a slicing equipment for sheet tobacco.

[0052] The present application provides a method for preparing sheet tobacco, which adopts the following steps:

[0053] S1, tobacco pretreatment process:

[0054] The tobacco leaves are pretreated according to the following method, a tobacco leaf group formula is designed according to the style positioning of a target product, the formula is composed of tobacco sheets of one or more of flue-cured tobacco, sun-cured tobacco, cigar tobacco, burley tobacco, spice tobacco, etc., the tobacco sheets are configured into a tobacco sheet mixture, a corresponding liquid is applied, fermentation, aging, drying and other treatments are performed, and the mixed tobacco sheets are formed, and the moisture content of the mixed tobacco sheets is between 15% and 22%.

[0055] S2, tobacco sheet plasticizing process:

[0056] The mixed tobacco sheets of step S1 are selected, a cake pressing plasticizing device is used, and plasticizing is performed according to the following method:

[0057] S21, placing tobacco leaves: a certain weight (300-310g) of the pretreated mixed tobacco sheets is taken and placed into the plasticizing mold uniformly by hand.

[0058] S22, pushing the mold: the mold with the tobacco leaves is pushed to the mold limiting plate.

[0059] S23, setting the height of the pressing head: the height detection position of the pressing head is set to ensure that the pressing head is pressed to the required height.

[0060] S24, setting plasticizing parameters: the pressure value 30Mpa and the pressing head pressure maintaining time 5min are set through the operation panel, and the start button is pressed (the movement direction of the pressing head is up and down).

[0061] S25, taking out the tobacco cake: after the pressing head reaches the set pressure maintaining time, the pressing head automatically returns to the initial position, the plasticizing mold is pushed out, the plasticized tobacco cake is taken out by opening the mold, the tobacco cake is a cuboid with the size of 13.8cm*8.8cm*2.0cm.

[0062] S3, tobacco cake shaping process:

[0063] The plasticized tobacco cake is taken, a tobacco cake shaping device is used, and shaping is performed according to the following method: the plasticized tobacco cake is directly placed into the shaping device, the upper cover is closed through the positioning pin, the tobacco cake is shaped by pressing the two side locks, and the shaping time is 72h.

[0064] S4, solid state fermentation process of tobacco cake:

[0065] The shaped tobacco cake is subjected to solid state fermentation, the fermentation temperature is 25±3℃ in summer and 22±3℃ in winter, the humidity is 65±5%, and the fermentation time is ≥7 days.

[0066] S5, slicing process:

[0067] The fermented tobacco cake is taken, a slicing device is used, and slicing is performed according to the following method:

[0068] S51, placing material: manually placing the shaped tobacco cake (at least 6 pieces) into the material supply mechanism.

[0069] S52, setting parameters: ① setting the required single piece thickness on the man-machine interactive operation interface. ② setting the number of slices if necessary, if not, the equipment will run until the current single tobacco cake is cut and then stop.

[0070] S53, double knife shaping: cutting the long side of the tobacco cake on both sides through the double knife shaping mechanism, cutting off the relatively loose part around the tobacco cake, and the cut edge material will fall into the receiving box through the sliding plate, thereby realizing the centralized collection of residual materials.

[0071] S54, single knife cutting: when the first tobacco cake reaches the single knife cutting mechanism, the PLC control system automatically identifies that the material has reached the designated station. After the first cutting removes the loose material on the short side, the quantitative pushing mechanism will start to push the material according to the set single piece thickness, the single knife cutting mechanism cuts the single piece, and the quantitative conveying mechanism matches the distance of the quantitative pushing material for corresponding distance conveying, thereby ensuring the quality of single piece forming.

[0072] S55, complete cutting: after the equipment is cut, it is quantitatively conveyed to the designated position, and manually taken away. The finally cut piece tobacco is 50-70mm long, 20-30mm wide, 2-3mm thick, rectangular, and weighs 3-5g.

[0073] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A method for preparing sheet-like pipe tobacco, characterized in that, The following steps are adopted: S1. Pre-processing of tobacco leaves: Based on the style positioning of the target product, design the tobacco leaf blend formula, configure it into a tobacco leaf mixture, and perform targeted treatment on the tobacco leaf mixture to form a blended tobacco leaf; S2, Smoke sheet molding process: The mixed tobacco sheets prepared in step S1 are shaped using a pressing and shaping device to obtain shaped tobacco cakes; Methods for shaping tobacco sheets include: S21. Take the set weight of mixed tobacco sheets and place them evenly into the molding mold; S22. Push the mold containing the mixed tobacco sheets into the mold limiting plate; S23. Set the pressure head stroke detection position to ensure that the pressure head presses to the required height; S24. Set the pressure and pressure head holding time. Set the pressure to 30MPa and the pressure head holding time to 5min. S25. After the pressure head reaches the set holding time, it returns to the initial position of the pressure head, pushes out the molding mold, and takes out the molded smoke cake; S3. Smoke cake shaping process: The shaped smoke cake from step S2 is shaped using a smoke cake shaping device for a certain period of time, with the shaping time set at 72 hours. S4. Solid-state fermentation process of tobacco cake: The tobacco cake after step S3 is shaped and then subjected to solid-state fermentation under set conditions. When the tobacco cake is undergoing solid-state fermentation, the fermentation temperature is 25±3℃ in summer and 22±3℃ in winter, the humidity is 65±5%, and the fermentation time is ≥7 days. S5. Slicing process: Take the fermented tobacco cake from step S4 and slice it using a slicing device to obtain rectangular pipe tobacco strips with a length of 50-70 mm, a width of 20-30 mm, a thickness of 2-3 mm, and a weight of 3-5 g.

2. The method for preparing sheet-like pipe tobacco according to claim 1, characterized in that, In step S1, the tobacco leaf blend consists of one or more types of flue-cured tobacco, sun-cured tobacco, cigar tobacco, burley tobacco, or aromatic tobacco.

3. The method for preparing sheet-like pipe tobacco according to claim 1, characterized in that, In step S1, the treatment of the tobacco mixture with a set target includes applying a set liquid, fermenting, alcoholizing, and drying, with the moisture content of the mixed tobacco being between 15% and 22%.

4. The method for preparing sheet-like pipe tobacco according to claim 1, characterized in that, In step S5, the following slicing method is used: S51. Place the shaped tobacco cake into the material supply mechanism of the slicing device; S52. Set the required slice thickness using the human-computer interaction interface of the slicing device; S53. The long sides of the tobacco cake are cut by a double-blade shaping mechanism to remove the relatively loose and poorly formed parts around the tobacco cake. S54. When the shaped tobacco cake arrives at the single-blade slitting mechanism, the control system automatically recognizes that the material has reached the predetermined station. The single-blade slitting mechanism performs single-piece slitting, and at the same time, the quantitative conveying mechanism will match the quantitative pushing distance of the material and perform corresponding distance conveying. S55, Obtain sheet-like pipe tobacco.

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