Tobacco roller with spiral flow guide strips on inner wall
By installing spiral guide strips on the inner wall of the tobacco drum, the problems of high tobacco breakage rate and uneven flavoring were solved, achieving uniform mixing and rapid cooling of tobacco, thus improving the quality and efficiency of cigarette production.
Patent Information
- Application Number
- CN202422975654.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing tobacco rollers suffer from problems such as high tobacco breakage rate, uneven flavoring, and difficulty in temperature control during tobacco mixing and conveying, which affect cigarette quality and production efficiency.
Spiral guide strips are installed on the inner wall of the drum, with a sinusoidal curve surface design. The spiral guide strips are equipped with injection holes for adding liquid and inputting/outputting chilled water, so as to achieve uniform flavoring of tobacco and rapid cooling.
It improves the looseness and blending effect of tobacco shreds, reduces the breakage rate, enhances the permeability of flavoring, and improves the process effect of cigarette production by rapidly cooling down the temperature of tobacco shreds.
Smart Images
Figure CN223626933U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of tobacco, relates to cigarette production technology, and specifically relates to a tobacco roller with helical flow guide strips on the inner wall. BACKGROUND
[0002] In the tobacco processing industry, rollers are very popular. The tobacco roller is a hollow cylinder, and the diameter of the roller can reach several meters. According to the arrangement, the roller can be divided into horizontal conveying roller lines and inclined conveying roller lines. The roller completes some important tobacco processes, such as tobacco material loosening, liquid addition, heating, and screening, etc. Therefore, the tobacco roller is indispensable in cigarette production.
[0003] For the silk making process, an inclined conveying roller line is often used. The cut tobacco is input into the relatively closed roller, and a liquid such as flavoring is sprayed. Through the circumferential movement of the roller, the cut tobacco is fully mixed in the roller to improve the taste of the cigarette. The inclined feature of the conveying roller line, the gravity of the material, and the circumferential movement of the roller are used to convey the cut tobacco from one end of the roller to the other end.
[0004] According to the physical characteristics, the circumferential angle of the material on the circumferential surface from the bottom of the circumferential surface with the circumferential movement of the roller will not exceed 90°. Therefore, a cylindrical rake is often installed on the inner wall of the roller, or a generatrix is installed on the inner wall of the roller, or the circumferential angle of the material movement is more than 90°, so as to improve the loosening and flavoring permeability of the cut tobacco in the roller. Since the flow of the cut tobacco in the roller is very large, up to 10 t / h, the inventor believes that the loosening method of the rake is not necessarily the best. In addition, due to the physical properties of the cut tobacco such as easy breaking and crushing, the roller speed and flow are relatively high, so it is difficult to avoid the increase of the cut tobacco crushing rate. Through scientific research, the use of curved surface technology can reduce the cut tobacco crushing rate, even if it is only reduced by 0.1%, the process effect will be improved.
[0005] Since the flavoring is sprayed in a certain position in the roller, the loosening and uniformity of the cut tobacco in the roller are important for the flavoring permeability. Therefore, it is very important to study the flavoring method to make the flavoring evenly spread to each space area in the roller to improve the flavoring permeability.
[0006] In addition, for the tobacco drying process using a drying machine, the tobacco outlet temperature is 50.0℃~70.0℃. To facilitate the blending, flavoring, and mixing of tobacco, stems, expanded tobacco, and sheet tobacco in the next process, and to ensure that the mixed tobacco fully absorbs the flavoring, the tobacco temperature is reduced to ≤45℃, or even to the optimal workshop constant temperature of 25℃. This ensures that the dried tobacco is quickly shaped, curled, and elastic, with a high filling value, and improves the flavoring absorption and other process effects. It is also possible to study the use of rollers to complete this process, or to replace the vortex tubes and curved cooling plates in the "rapid cooling device for dried tobacco on the tobacco production line (ZL2023113548615)".
[0007] To address the aforementioned problems, this utility model is proposed. Utility Model Content
[0008] To address at least one of the aforementioned problems, this utility model provides a tobacco drum with a spiral guide strip on its inner wall, and a method for adding liquid to tobacco and cooling dried tobacco. The method includes a drum, a spiral guide strip, a liquid injection pipe or a chilled water inlet pipe, and a chilled water outlet pipe. The spiral guide strip is installed on the inner wall of the drum. The cross-section of the spiral guide strip is a sinusoidal curve with a half-wavelength (λ / 2) peak design, and it is made of stainless steel or copper sheet with a thickness of 1-2 mm. When adding flavoring using the sealed spiral guide strip, the liquid injection pipe is designed with evenly distributed ￠0.5-2 mm spray holes on the sinusoidal peak surface of the spiral guide strip, allowing the flavoring to diffuse into all areas within the drum, improving the permeability of flavoring. When used for cooling dried tobacco, chilled water is introduced into the spiral guide strip to rapidly cool the tobacco, causing the tobacco to curl and improve flavor absorption. This invention replaces the rake nails in certain drums, improving material loosening and conveying efficiency while reducing breakage rate. It can be used for adding liquid to tobacco shreds or for rapid cooling of dried tobacco shreds, with significant process effects.
[0009] This utility model provides a tobacco roller with a spiral guide strip on the inner wall, which includes a roller 1 and a spiral guide strip 2, wherein the spiral guide strip 2 is installed on the inner wall of the roller 1;
[0010] The cross-section of the spiral guide bar 2 is a sinusoidal curve surface, with a wave peak design of half wavelength (λ / 2), and the function curve equation is y=sin(ωx), ω<1;
[0011] The pitch t of the spiral guide bar 2 is less than the length L of the roller 1, so one pitch t is used.
[0012] Preferably, the number of spiral guide strips 2 installed on the inner wall of the drum 1 is 4 to 8 evenly distributed;
[0013] The spiral guide strip 2 is made of a material with a thickness of 1 to 2 mm.
[0014] The helical guide strip 2 has a baffle 5 at both ends.
[0015] Preferably, the inner wall of the drum 1 has a diameter of D, and the length of the helical guide strip 2 is
[0016] Preferably, the helical guide strip 2 is welded or screwed to the inner wall of the drum 1.
[0017] The helical angle of the helical guide strip 2 is With the helical angle The helical guide strip 2 is marked on the inner wall of the drum 1 for welding, or the through hole 3 of the helical guide strip 2 is designed for threaded installation.
[0018] Preferably, the helical guide strip 2 is made of stainless steel or copper plate.
[0019] The cross section of the helical guide strip 2 is a sinusoidal surface, which is pressed by a mold.
[0020] Preferably, the tobacco drum with the helical guide strip on the inner wall is used in cooperation with a liquid injection pipe 4 for adding liquid to the tobacco in the drum 1, the liquid injection pipe 4 is communicated with the helical guide strip 2, and a spray hole 6 with a diameter of 0.5-2mm is designed on the sinusoidal peak surface of the helical guide strip 2.
[0021] Preferably, when the spray hole 6 is processed on the sinusoidal peak surface of the helical guide strip 2, the normal line of the processing point on the curved surface is used for processing.
[0022] Preferably, the tobacco drum with the helical guide strip on the inner wall is used in cooperation with a chilled water input pipe 7 and a chilled water output pipe 8 for refrigerating the dried tobacco in the drum 1, the chilled water input pipe 7 and the chilled water output pipe 8 are respectively communicated with both ends of the helical guide strip 2, so that the chilled water enters the helical guide strip 2 through the chilled water input pipe 7 and flows out through the chilled water output pipe 8.
[0023] The second aspect of the utility model provides a method for adding liquid to tobacco, which uses the tobacco drum with the helical guide strip on the inner wall of the first aspect of the utility model, and the method comprises the following steps: the liquid injection pipe 4 is communicated with the helical guide strip 2, then liquid (such as essence) is added to the helical guide strip 2 through the liquid injection pipe 4, the liquid in the helical guide strip 2 is sprayed out of the spray hole 6 through compressed gas, the liquid is mixed with the tobacco in the drum 1, and thus the liquid is added to the tobacco.
[0024] The third aspect of the utility model provides a method for refrigerating and drying tobacco, which uses the tobacco drum with the spiral flow guide strip on the inner wall according to the first aspect of the utility model, and the method comprises the following steps: the refrigeration water input pipe 7 and the refrigeration water output pipe 8 are communicated with both ends of the spiral flow guide strip 2 respectively, so that the refrigeration water enters the spiral flow guide strip 2 through the refrigeration water input pipe 7 and flows out through the refrigeration water output pipe 8, the refrigeration water flowing in the spiral flow guide strip 2 absorbs the heat of the dried tobacco in the drum 1, and thus the dried tobacco is refrigerated.
[0025] Compared with the prior art, the utility model has the following beneficial effects:
[0026] 1. Since the drum applied to the tobacco field mainly completes some processes such as loosening, mixing and conveying of tobacco materials, if the spiral flow guide strip is installed on the inner wall of the drum, the tobacco materials can be fully loosened and mixed, and the material conveying is smoother due to the spiral flow guide effect.
[0027] 2. For the drum with the cylindrical rake nails installed on the inner wall, especially for the tobacco processing technology, since the tobacco flow is large and the rotation speed of the drum is high, the tobacco is undoubtedly crushed more when the rake nails are used to loosen and distribute the materials in the drum, and in addition, the loosening effect is not good, therefore, when the spiral flow guide strip of the utility model is used to replace the rake nails, the loosening effect is more remarkable, the tobacco crushing rate is reduced, and the raw material cost can be correspondingly reduced.
[0028] 3. Since the cross section of the spiral flow guide strip is a sinusoidal curved surface, according to the mechanical characteristics, the continuous curved surface has the lowest crushing effect on the materials, and the sinusoidal wave peak has a higher loosening effect, therefore, the effect is better when the material liquid such as essence is added in the drum; and since the pitch and the spiral angle of the spiral flow guide strip are large, and the number of spiral lines is large, the conveying of the tobacco materials is smooth.
[0029] 4. The addition of the material liquid such as essence in the drum is an important process for realizing the permeability of the tobacco, and generally, the drum is added with essence at a certain position, if the spray hole 6 is designed on the sinusoidal surface of the spiral flow guide strip, the essence can be sprayed at more positions in the drum through the compressed gas, and the processing direction of the spray hole 6 can be completed by using the normal line of the point on the curved surface, therefore, the essence can be uniformly diffused to each space region in the drum, so that the tobacco is added with essence more permeably, and the process effect is better.
[0030] 5. The temperature of the cut tobacco after drying in the cut tobacco dryer is very high, which is not conducive to the mixing, flavoring and mixing of cut tobacco, stem tobacco, expanded tobacco, sheet tobacco and the like, and to the full absorption of flavoring by the mixed tobacco. The drum refrigeration after-drying tobacco has good effect. Since there is usually abundant chilled water in the general cut tobacco workshop, only the high-pressure pipe is needed to introduce into the spiral flow guide strip in the drum, and then the chilled water is discharged through the chilled water outlet pipe, so that the drum is kept at low temperature at all times, which is conducive to the rapid refrigeration after-drying of the tobacco and improves the process effect. Therefore, the recycling of the chilled water has obvious benefits.
[0031] 6. Since the spiral flow guide strip is made of thin-gauge stainless steel or copper, the spiral line pitch and spiral angle installed on the inner wall of the drum are large, so the length of the spiral flow guide strip is large, the plasticity is good, and the spiral line on the inner wall of the drum is easy to mark, so the installation of the spiral flow guide strip on the inner wall of the drum is convenient, fast and low in cost. BRIEF DESCRIPTION OF DRAWINGS
[0032] For better understanding of the above and other objects, features, advantages and functions of the present application, reference can be made to the embodiments shown in the drawings. The same reference signs in the drawings refer to the same parts. Those skilled in the art should understand that the drawings are intended to illustrate the preferred embodiments of the present application, and have no limiting effect on the scope of the present application, and the various parts in the drawings are not drawn to scale.
[0033] Names of reference signs in the brief description of drawings:
[0034] Figure 1 is a design principle diagram of a tobacco drum with a spiral flow guide strip in the embodiment of the present application;
[0035] Figure 2 is a size diagram of the tobacco drum of the embodiment of the present application;
[0036] Figure 3 is a design diagram of one embodiment of the spiral flow guide strip of the present application;
[0037] Figure 4 is an AA cross-sectional view of the present application; Figure 3
[0038] Figure 5 is a shape diagram of a spiral flow guide strip with one pitch in one embodiment of the present application;
[0039] Figure 6 is a design diagram of another embodiment of the spiral flow guide strip of the present application, in which a jet hole is processed on a sinusoidal surface;
[0040] Figure 7 is another design schematic diagram of the embodiment of the spiral flow guide strip of the utility model
[0041] Figure 8 is a schematic diagram of the mold pressing of the sinusoidal surface of the embodiment of the spiral flow guide strip of the utility model.
[0042] In the drawing: 1, roller: 2, spiral flow guide strip; 3, through hole; 4, liquid injection pipe; 5, baffle; 6, injection hole; 7, chilled water input pipe; 8, chilled water output pipe; 9, female part; 10, male part; 9-1, female part sinusoidal wave; 10-1, male part sinusoidal wave. DETAILED DESCRIPTION
[0043] The utility model will be described in further detail below in conjunction with the embodiments.
[0044] Those skilled in the art will understand that the following examples are only for illustrating the utility model and should not be regarded as limiting the scope of the utility model. If the specific technology or condition is not specified in the examples, it is carried out according to the technology or condition described in the literature in the field or according to the product manual. If the manufacturer of the material or equipment is not specified, it is a conventional product that can be obtained by purchase.
[0045] The above and other technical features and advantages of the utility model will be described in further detail below in conjunction with the drawings. In the description of the utility model, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, unless otherwise specifically limited.
[0046] In the utility model, unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0047] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0048] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as herein.
[0049] Example
[0050] Referring to the figures, this utility model provides a tobacco roller with spiral guide strips on its inner wall, comprising a roller 1 and spiral guide strips 2, wherein the spiral guide strips 2 are installed on the inner wall of the roller 1; the number of spiral guide strips 2 installed on the inner wall of the roller 1 is 4 to 8 evenly distributed. Figure 1 Select 4 spiral guide strips for installation.
[0051] The cross-section of the spiral guide bar 2 is a sinusoidal curve surface, with a wave peak design of half wavelength (λ / 2), and the function curve equation is y=sin(ωx), ω<1;
[0052] The pitch t of the spiral guide bar 2 is less than the length L of the roller 1, so one pitch t is used.
[0053] The spiral guide strip 2 is made of a material with a thickness of 1 to 2 mm.
[0054] The inner diameter of the roller 1 is ￠D, and the length of the spiral guide bar 2 is...
[0055] The spiral guide bar 2 is installed on the inner wall of the drum 1 by welding or screw connection;
[0056] The helix angle of the spiral guide bar 2 is Use this helix angle The spiral line position is marked on the inner wall of the roller 1 for welding, or the through hole 3 of the spiral guide bar 2 is designed for threaded installation.
[0057] The spiral guide bar 2 is made of stainless steel sheet.
[0058] like Figure 2 A schematic diagram of the dimensions of the tobacco roller in the embodiment. The inner diameter of the roller is ￠D=1000mm, and the roller length is L=4200mm. Therefore, the designed pitch is t=4000mm, and the length of the helix is...
[0059] Figures 3-4 This is a design method of the spiral guide bar 2 embodiment. It is made of 2mm stainless steel and is installed by M5 screws through its through hole 3 and roller 1. The design function equation of the sine curve surface is y=100sin(2πx / 157.078), that is, the amplitude is 100mm, the wavelength λ=157.078mm, that is, ω=1 / 4.
[0060] If the through hole 3 is not involved, installation can be completed by welding along the spiral without the need for screws and rollers. Figure 5 The diagram shows the shape of a spiral guide bar with a pitch of 1, which is formed by welding on the inner wall of the drum.
[0061] When adding flavoring using the sealed spiral guide strip 2, the tobacco roller with the spiral guide strip on its inner wall is used in conjunction with the liquid injection pipe 4 to add liquid to the tobacco in the roller 1. The liquid injection pipe 4 is connected to the spiral guide strip 2, and the spiral guide strip 2 has injection holes 6 with a diameter of ￠0.5~2mm designed on its sinusoidal peak surface. When machining the injection holes 6 on the sinusoidal peak surface of the spiral guide strip 2, the normal to the machining point on the curved surface can be used for machining. The method of adding liquid to the tobacco includes the following steps: connecting the liquid injection pipe 4 to the spiral guide strip 2, then adding flavoring to the spiral guide strip 2 through the liquid injection pipe 4, and using compressed gas to spray the liquid in the spiral guide strip 2 out from the injection holes 6. The liquid mixes with the tobacco in the roller 1, thereby adding liquid to the tobacco.
[0062] Figure 6 This is another design method of the spiral guide bar 2 embodiment, which has a fragrance spraying function.
[0063] When adding fragrance using a closed spiral guide strip 2, a liquid injection pipe 4 is designed, and injection holes 6 are designed on the sinusoidal peak surface of the spiral guide strip 2, with a diameter of ￠1mm. When machining the injection holes 6 on the sinusoidal peak surface of the spiral guide strip 2, the normal to the machining point on the curved surface can be used for machining, such as... Figure 5 The spray hole 6 is machined with a normal line to improve the dispersion of the fragrance spray.
[0064] Figure 6In the middle, the spiral flow guide strip 2 both ends with baffle 5 welding, bottom with bottom welding, in order to make the spiral flow guide strip 2 inside hollow and sealed, installation liquid injection pipe 4, in order to make essence through the action of air pressure, using the spray hole 6 spray.
[0065] With sealed spiral flow guide strip 2 refrigeration after drying tobacco, the inner wall with spiral flow guide strip of tobacco drum and refrigerated water input pipe 7, refrigerated water output pipe 8 for use in the drum 1 after drying tobacco refrigeration, the refrigerated water input pipe 7 and the refrigerated water output pipe 8 are respectively communicated with both ends of the spiral flow guide strip 2, so that the refrigerated water enters the spiral flow guide strip 2 through the refrigerated water input pipe 7, and flows out through the refrigerated water output pipe 8. The method for refrigerating after drying tobacco comprises the following steps: the refrigerated water input pipe 7 and the refrigerated water output pipe 8 are respectively communicated with both ends of the spiral flow guide strip 2, so that the refrigerated water enters the spiral flow guide strip 2 through the refrigerated water input pipe 7, and flows out through the refrigerated water output pipe 8, so that the refrigerated water flowing in the spiral flow guide strip 2 absorbs the heat of the after drying tobacco in the drum 1, thereby refrigerating after drying tobacco.
[0066] As Figure 7 , another design method of the embodiment of the spiral flow guide strip 2, the rapid refrigeration function of after drying tobacco.
[0067] Since the air compressor is used in large scale in the tobacco factory, the refrigerated water generated by the air compressor has very low temperature, and the refrigerated water enters the spiral flow guide strip 2 through the high pressure pipe connected with the refrigerated water input pipe 7, so as to reduce the temperature of the drum 1 and rapidly refrigerate the after drying tobacco, and the refrigerated water is output through the refrigerated water output pipe 8.
[0068] In order to improve the rapid refrigeration efficiency of after drying tobacco, the material of the spiral flow guide strip 2 can be copper according to the heat conductivity and the heat conductivity coefficient.
[0069] The cross section of the spiral flow guide strip 2 is a sinusoidal surface which is pressed by a mold.
[0070] As Figure 8 described above, the mold processing of the sinusoidal surface of the spiral flow guide strip. Since the spiral flow guide strip is made of stainless steel plate with thickness of 1-2mm, it cannot be processed by NC cutting, and the best method is to use mold.
[0071] Or the convex sinusoidal wave 10-1 on the convex part 10 and the concave sinusoidal wave 9-1 on the concave part 9 are made of mold steel, that is, the pressing of the sinusoidal surface of the spiral flow guide strip can be implemented; or the spray hole 6 can be made in advance on the plate.
[0072] If the size is required to be accurate, the curve integral of the sinusoidal curve can be used for calculation.
[0073] Finally, the spiral angle of the designed spiral flow guide strip 2 is The spiral flow guide strip 2 is installed by welding or the like on the inner wall of the drum 1. Figure 1
[0074] It should be noted that in this embodiment, because t=4000mm, the pitch is large, the helix angle is large, and the spiral flow guide strip 2 is made of thin-gauge stainless steel, so that the tension in the installation of the spiral flow guide strip 2 on the inner wall of the drum is not large, and the spiral flow guide strip 2 can be easily bent into a spiral and installed in the drum.
[0075] As for the uniformity of the tobacco flavoring, because the injection hole 6 can be designed on the wave crest of the spiral flow guide strip, the wave crest height is increased, and in y=sin(ωx), a small ω is taken, so that the effect is better.
[0076] The above is only a preferred embodiment of the present application, which is only illustrative but not limiting. The structure and connection mode of the components in the present application can be changed, and any equivalent transformation and improvement based on the technical scheme of the present application should not be excluded from the protection scope of the present application.
Claims
1. A tobacco drum having an inner wall with helical baffles, characterised in that, It includes a roller (1), a spiral flow guide strip (2) which is installed on the inner wall of the roller (1); The cross section of the spiral flow guide strip (2) is a sinusoidal surface, and a half wavelength (λ / 2) is designed as the wave crest, and the function curve equation is y=sin(ωx), ω<1; The pitch t of the spiral flow guide strip (2) is less than the length L of the roller (1), and one pitch t is used.
2. A tobacco drum with helical baffles on the inner wall according to claim 1, characterized in that, The number of the spiral flow guide strips (2) installed on the inner wall of the roller (1) is evenly distributed in 4-8; The material and thickness of the spiral flow guide strip (2) are 1-2 mm; The spiral flow guide strip (2) has a baffle (5) at both ends.
3. The tobacco drum with helical guide strips on the inner wall according to claim 1, characterized in that, The inner wall diameter of the drum (1) is The length of the helical fairing (2) is 4. The tobacco drum with helical guide strips on the inner wall according to claim 1, characterized in that, The spiral flow guide strip (2) is installed on the inner wall of the roller (1) by welding or screw connection; The helix angle of the spiral fairing (2) is With the helix angle Marking the helix position on the inner wall of the drum (1) for welding, or designing the through hole (3) of the spiral fairing (2) for threaded installation.
5. The tobacco drum with helical guide strips on the inner wall according to claim 1, characterized in that, The spiral flow guide strip (2) is made of stainless steel plate or copper plate; The cross section of the spiral flow guide strip (2) is a sinusoidal surface which is pressed by a mold.
6. The tobacco drum with helical guide strips on the inner wall according to claim 1, characterized in that, The tobacco drum with the inner wall with helical flow guide strips is used in cooperation with a liquid injection pipe (4) for adding liquid to tobacco in the drum (1), the liquid injection pipe (4) is in communication with the helical flow guide strips (2), and a spray hole (6) is designed on the sine wave peak surface of the helical flow guide strips (2) 7. A tobacco drum with internal wall with helical baffle according to claim 6, characterized in that, When the injection hole (6) is processed on the sinusoidal wave crest surface of the spiral flow guide strip (2), the normal line of the processing point on the curved surface can be used for processing.
8. The tobacco drum with helical guide strips on the inner wall according to claim 1, characterized in that, The tobacco roller with the spiral flow guide strip on the inner wall is used in cooperation with a chilled water input pipe (7) and a chilled water output pipe (8) to cool the dried tobacco shred in the roller (1), the chilled water input pipe (7) and the chilled water output pipe (8) are respectively communicated with both ends of the spiral flow guide strip (2), so that the chilled water enters the spiral flow guide strip (2) through the chilled water input pipe (7) and flows out through the chilled water output pipe (8).