Glue control roller and cigarette making machine

Abstract

The utility model provides a glue control roller which comprises a convex part and a concave part, and the circumferential surface of the convex part protrudes outwards relative to the circumferential surface of the concave part; the protruding part comprises a non-glue area and a transition glue area. The transition rubber areas are arranged on the two sides of the non-rubber area in the axial direction of the rubber control roller; the circumferential surface of the transition rubber area is recessed inwards relative to the circumferential surface of the non-rubber area. Meanwhile, the utility model further provides a cigarette making machine using the glue control roller. Compared with the prior art, the rubber control roller and the cigarette making machine can better avoid cutting defects of tipping paper.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette machinery, in particular to a glue control roller and a cigarette making machine. Background Art

[0002] At present, in the cigarette industry, the zj17 and zj118 cigarette making machines have become the main models. The core of the tipping paper gluing device of this series of models is the glue control roller and the gluing roller. The surface of the gluing roller is a smooth cylindrical surface for applying glue to the tipping paper. The glue control roller that obtains glue from the glue tank is in close contact with the gluing roller under the action of a disc spring to extrude the excess glue together, so as to control the amount of glue applied.

[0003] The surface of the glue control roller that obtains glue from the glue tank is composed of a glue-free area and a glue area distributed on both sides of the main line. The glue-free area is the protruding part, and the glue area is the concave part. The dimensional difference between the protrusion and the depression is the thickness of the glue coating layer. When the glue control roller and the gluing roller are in close contact and roll together under the action of the disc spring, the glue control roller and the gluing roller move in opposite directions. The protruding part (glue-free area) forms a "surface-to-surface" contact with the surface of the gluing roller, and there is a gap between the concave part (glue area) and the surface of the gluing roller. The glue will not be extruded, and the glue will be smeared on the surface of the gluing roller. The glue on the surface of the gluing roller is then smeared on the tipping paper to form a regular glue coating area on the surface of the tipping paper. The outer circular surface of the glue control roller is usually ground with a groove of 0.020 - 0.030 mm, and the amount of glue applied is determined by the depth of the gluing area.

[0004] The position corresponding to the glue-free area is usually the position where the tipping paper needs to be cut. For example, during the conveying process, the tipping paper is usually double-width tipping paper, and the glue-free area is usually set corresponding to the central position area of the tipping paper. After the tipping paper is coated with glue by the gluing roller, it will be cut by a circular blade at the rear, so as to divide the tipping paper into two.

[0005] However, in the prior art, when the circular blade cuts the tipping paper, it is easy to cause cutting defects to the tipping paper, resulting in the problem of filter tip cut edge burr defects after the subsequent tipping paper is wound around the filter tip. Content of the Utility Model

[0006] In view of the above technical problems, the utility model provides a glue control roller, which is provided with a glue-free area and a transition glue area on the protruding part, and transition glue areas are arranged on both sides of the glue-free area. The circumferential surface of the transition glue area is recessed inward by a certain depth compared with the circumferential surface of the glue-free area, so that a certain depth of glue can be accommodated on the side of the protruding part, so that finally a certain amount of glue can be coated on the side of the cutting position of the tipping paper to increase the wetness of the cutting position of the tipping paper, relieve the tearing degree of the paper cut by the circular blade, better avoid cutting defects, and further reduce the problem of filter tip cut edge burr defects.

[0007] A rubber control roller, which includes a protruding part and a recessed part, and the circumferential surface of the protruding part protrudes outward compared with the circumferential surface of the recessed part;

[0008] The protruding part includes a glue-free area and a transition glue area;

[0009] Along the axial direction of the rubber control roller, the transition glue areas are arranged on both sides of the glue-free area;

[0010] The circumferential surface of the transition glue area is recessed inward compared with the circumferential surface of the glue-free area.

[0011] Preferably, along the axial direction of the rubber control roller, the protruding part is located in the central area of the rubber control roller, and the recessed parts are arranged on both sides of the protruding part.

[0012] Preferably, the recessed depths of the two recessed parts are the same.

[0013] Preferably, the depth that the circumferential surface of the recessed part is recessed inward compared with the circumferential surface of the glue-free area is 0.03 mm.

[0014] Preferably, the recessed depths of the two transition glue areas are the same.

[0015] Preferably, the depth that the circumferential surface of the transition glue area is recessed inward compared with the circumferential surface of the glue-free area is 0.02 mm.

[0016] Preferably, the widths of the two transition glue areas are the same.

[0017] Preferably, the width of the transition glue area is 0.3 mm, and the width of the glue-free area is 0.4 mm.

[0018] A cigarette making machine, which applies the rubber control roller as described in any one of the above.

[0019] Compared with the prior art, a glue control roller provided by the utility model comprises a convex part and a concave part, and the circumferential surface of the convex part protrudes outwards compared with the circumferential surface of the concave part; the convex part comprises a glue-free area and a transition glue area; along the axial direction of the glue control roller, the transition glue areas are arranged on both sides of the glue-free area; the circumferential surface of the transition glue area is recessed inwards compared with the circumferential surface of the glue-free area. The transition glue area with a recess is arranged on the side of the convex part of the glue control roller, so that a certain depth of glue can be accommodated through the transition glue area. When transferring the glue to the upper glue roller, a certain depth of glue can also be transferred on the side of the convex part, so that a certain amount of glue can finally be coated on the side of the slitting position of the tipping paper, so as to increase the wetness degree of the slitting part of the tipping paper, relieve the cutting and tearing degree of the paper by the round blade, better avoid the occurrence of cutting defects, and further reduce the problem of the tipping cut edge burr defect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic structural diagram of a glue application roller provided for an embodiment;

[0022] Figure 2 is Figure 1 a partial enlarged view of the area A shown;

[0023] Figure 3 It is a schematic structural diagram of a tipping paper gluing device in a cigarette making machine provided for an embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0025] It should be noted that when a component is referred to as being "fixed to", "mounted on", or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is "connected" to another component, or a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0026] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0027] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality of" and "several" is two or more, unless otherwise specifically defined.

[0028] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the implementable conditions of the present application. Therefore, they do not have a technical essence. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the efficacy that the present application can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in the present application.

[0029] The present utility model provides a glue control roller, which includes a protruding part and a recessed part. The circumferential surface of the protruding part protrudes outward compared with the circumferential surface of the recessed part; the protruding part includes a glue-free area and a transition glue area; along the axial direction of the glue control roller, the transition glue areas are arranged on both sides of the glue-free area; the circumferential surface of the transition glue area is recessed inward compared with the circumferential surface of the glue-free area. In the protruding part of the glue control roller, the transition glue areas with recesses are arranged on the sides, so that a certain depth of glue can be accommodated through the transition glue areas. When transferring the glue to the upper glue roller, a certain depth of glue can also be transferred from the sides of the protruding part, so that finally a certain amount of glue can be coated on the sides of the slitting position of the tipping paper, so as to increase the wetness degree at the slitting position of the tipping paper, thereby alleviating the cutting and tearing degree of the paper by the round blade, better avoiding cutting defects, and further reducing the problem of filter tip cut edge burr defects.

[0030] Please refer to Figure 1 and Figure 2 . This embodiment provides a glue control roller 2, which is applied to a cigarette making machine. The glue control roller 2 is mainly used to solve the problem that when a circular blade is used to cut the tipping paper during slitting, cutting defects are likely to occur in the prior art.

[0031] The glue control roller 2 includes a protruding part 21 and a recessed part 22. The circumferential surface of the protruding part 21 protrudes outward compared with the circumferential surface 221 of the recessed part 22. That is, there is a certain recess depth difference between the protruding part 21 and the recessed part 22, so that the recessed part 22 can accommodate glue with a certain depth.

[0032] The protruding part 21 includes a glue-free area 211 and a transition glue area 212. Along the axial direction of the glue control roller 2, the transition glue areas 212 are arranged on both sides of the glue-free area 211, and the circumferential surface 2121 of the transition glue area 212 is recessed inward compared with the circumferential surface 2111 of the glue-free area 211. That is, there is a certain recess depth difference between the transition glue area 212 and the glue-free area 211, so that the transition glue area 212 can also accommodate glue with a certain depth.

[0033] The protruding part 21 is arranged corresponding to the slitting position of the tipping paper after installation. The position of the glue-free area 211 is arranged corresponding to the position of the circular cutting blade. When the glue control roller 2 is in use, under the action of the disc spring, it can be in close contact with the glue application roller and roll together. The glue-free area 211 forms a "surface-to-surface" contact with the surface of the glue application roller, while there are gaps between the transition glue area 212, the recessed part 22 and the surface of the glue application roller, so that the glue will not be extruded.

[0034] It can be understood that only a protruding part and a recessed part are provided in the glue control roller in the prior art, and the protruding part is arranged corresponding to the slitting position of the tipping paper. After the tipping paper is coated with glue by the glue application roller, when the circular blade cuts the tipping paper, it is easy to cause cutting defects to the tipping paper, resulting in problems such as burrs at the filter tip cut after the subsequent tipping paper is wound around the filter tip.

[0035] In the present embodiment, the glue control roller 2 is provided with the transition glue areas 212 on both sides of the protruding part 21, so as to accommodate a certain depth of glue coated on the glue roller. When the glue roller coats glue on the tipping paper, a certain amount of glue can be coated on both sides of the slitting position of the tipping paper, thereby increasing the wetness degree at the slitting position of the tipping paper, alleviating the tearing degree of the paper cut by the round blade, better avoiding cutting defects, and further reducing the problem of filter tip cut burr defects. That is to say, the glue control roller 2 is a glue control roller with a gradient glue line depth. Through the transition glue areas 212, glue with a relatively shallow depth can be accommodated to moisten the tipping paper, while through the concave part 22, glue with a relatively deep depth can be accommodated to facilitate the subsequent joining connection of the tipping paper.

[0036] It should be noted that the number of the protruding parts 21 provided in the glue control roller 2 can be selected according to actual needs. For example, if the tipping paper used in a cigarette making machine is one-for-two, only one protruding part 21 can be provided in the glue control roller 2; when the tipping paper used in a cigarette making machine is one-for-many, multiple protruding parts 21 can be provided in the glue control roller 2, and the number of the protruding parts 21 can be adapted to the number of slittings required for the tipping paper.

[0037] Preferably, in an embodiment, along the axial direction of the glue control roller 2, the protruding part 21 is located in the central area of the glue control roller 2, and the concave parts 22 are provided on both sides of the protruding part 21. In this embodiment, the tipping paper used in the cigarette making machine is one-for-two.

[0038] Preferably, in an embodiment, the concave depths of the two concave parts 22 are the same, so as to ensure the same amount of glue coated on both sides of the tipping paper finally.

[0039] Preferably, in an embodiment, the depth of the circumferential surface of the concave part 22 recessed inward compared with the circumferential surface 2111 of the glue-free area 211 is 0.03 mm, so as to better ensure that the subsequent tipping paper can be joined and connected more stably.

[0040] Preferably, in an embodiment, the concave depths of the two transition glue areas 212 are the same, so as to ensure the same amount of glue coated on the sides of the slitting position of the tipping paper finally, better ensuring the wetness degree on both sides of the slitting position and further avoiding cutting defects in the subsequent slitting process.

[0041] Preferably, in an embodiment, the depth of the circumferential surface 2121 of the transition glue area 212 recessed inward compared with the circumferential surface 2111 of the glue-free area 211 is 0.02 mm.

[0042] Preferably, in one embodiment, the widths of the two transition glue areas 212 are the same, so as to ensure that the glue application widths on the sides of the final slitting position on the tipping paper are the same, so as to better ensure the wetting degree on both sides and further avoid cutting defects during subsequent slitting. Herein, the width refers to the dimension along the axis of the glue control roller 2.

[0043] Preferably, in one embodiment, the width of the transition glue area 212 is 0.3 mm, and the width of the glue-free area 211 is 0.4 mm, so as to better adapt to the existing cigarette making machines without the need to make adaptive changes to other components on the cigarette making machines.

[0044] It can be understood that in the prior art, a 1-mm glue-free area is provided in the middle corresponding to the slitting of the tipping paper, and after secondary slitting, the width of the glue-free area at the filter tip end of the tipping paper for a single cigarette is 0.5 mm.

[0045] In one embodiment, the 1-mm width area in the middle of the main line of the glue control roller 2 is a combination of the glue-free area 211 and the transition glue area 212. The width of the middle glue-free area 211 is 0.4 mm, and the widths of the transition glue areas 212 on both sides of the glue-free area 211 are 0.3 mm each. The depth of the glue line in the transition glue area 212 is 0.02 mm, and the depth of the glue line in other glue areas is 0.03 mm, ensuring that the 0.5-mm width interval at the filter tip end of the tipping paper for a single cigarette after the slitting of double-length cigarettes is composed of a 0.2-mm width glue-free area and a 0.3-mm width thin glue application, so that the round blade for secondary slitting neither gets gummed up nor has a thin glue application to increase the wetting degree at the slitting position of the tipping paper, relieve the cutting and tearing degree of the round blade on the paper, and reduce the defect of filter tip cut edge hair residue.

[0046] Please refer to Figure 3 Meanwhile, in one embodiment, a cigarette making machine is further provided, which is applied with the glue control roller 2. The glue control roller 2 can be specifically applied to the tipping paper gluing device of the cigarette making machine for docking with the glue roller 1.

[0047] Among them, the glue control roller 2 adopts a standard glue application method. The diameter of the glue roller 1 can be ф60 mm, the diameter of the glue control roller 2 can be ф90 mm, and the width of the tipping paper piece can be 27 mm.

[0048] Preferably, an adjusting device 3 can also be provided in the tipping paper gluing device. When installing the glue control roller 2, the glue roller 1 remains unchanged. After starting up and running, check the glue application positions at the filter tip ends of the inner and outer smoked cigarettes after slitting, and confirm that the width of the glue-free area measured from the filter tip end of the tipping paper for a single cigarette towards the ignition end direction is 0.2 mm, and the width of the glue area is 0.3 mm. Otherwise, adjust the front and rear positions of the glue control roller 2 through the adjusting device 3.

[0049] The above are only the embodiments of the present utility model. It should be noted here that for those of ordinary skill in the art, improvements can be made without departing from the creative concept of the present utility model, but these all fall within the protection scope of the present utility model.

Claims

1. A rubber control roller, characterized in that: comprising a protruding portion and a recessed portion, wherein a circumferential surface of the protruding portion protrudes outward compared to a circumferential surface of the recessed portion; The protruding portion includes a non-glue area and a transition glue area; Along the axial direction of the rubber-controlling roller, the transition rubber area is arranged on both sides of the rubber-free area; The circumferential surface of the transitional rubber area is recessed inwardly compared to the circumferential surface of the non-rubber area.

2. The rubber control roller according to claim 1, characterized in that: Along the axial direction of the rubber-controlling roller, the protruding portion is located in the central area of ​​the rubber-controlling roller, and the concave portions are arranged on both sides of the protruding portion.

3. The rubber control roller according to claim 2, characterized in that: The two recessed parts have the same recessed depth.

4. The rubber control roller according to claim 3, characterized in that: The circumferential surface of the recessed portion is recessed inwardly by a depth of 0.03 mm compared to the circumferential surface of the glue-free area.

5. The rubber control roller according to claim 1, characterized in that: The depression depths of the two transition rubber areas are the same.

6. The rubber control roller according to claim 3, characterized in that: The depth of the circumferential surface of the transitional rubber area being recessed inwardly by 0.02 mm compared to the circumferential surface of the non-rubber area.

7. The rubber control roller according to claim 1, characterized in that: The widths of the two transition rubber zones are the same.

8. The rubber control roller according to claim 5, characterized in that: The width of the transition glue area is 0.3 mm, and the width of the non-glue area is 0.4 mm.

9. A cigarette making machine, characterized in that: The invention is applied with the rubber-controlled roller as claimed in any one of claims 1 to 8.

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