Cigarette bar heating device of cigarette making and tipping unit

By designing a cigarette bar heating device for a coiling machine with an arc-shaped heating element structure, the problems of cigarette bar deformation and inconvenient alignment during heating were solved, thus improving product quality and alignment convenience.

CN223873223UActive Publication Date: 2026-02-06JILIN TOBACCO IND CO LTD
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Patent Information

Application Number
CN202520078404.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-02-06
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The heating device of the existing cigarette rolling unit is prone to causing deformation of the cigarette strip when heating the adhesive part of the cigarette strip, and it is also inconvenient to center and align, which affects the product quality.

Method used

Design a cigarette bar heating device for a cigarette rolling machine, which adopts an arc-shaped heating element structure, including a first region and a second region. The second end of the second region has an inwardly concave arc design, which is used to fit and heat the cigarette bar at the adhesive position, avoiding compression deformation and improving the convenience of centering and alignment.

Benefits of technology

This technology ensures that the tobacco strips do not deform during the heating process, improves product quality, and simplifies the alignment and adjustment between the heating device and the tobacco strips.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a cigarette carton heating device of a cigarette making and tipping unit, which comprises a heating body, a second region having a first end and a second end; the first end of the second area is connected with the first area, the thickness of the second end of the second area is smaller than that of the first end of the second area, and the side, away from the first area, of the second end of the second area is in an inwards-concave arc shape. The cigarette carton heating device of the cigarette making and tipping machine set comprises the heating body, the heating body is provided with the first area and the second area, the side, away from the first area, of the second end of the second area is arranged in an inwards-concave arc shape, cigarette cartons are heated through the inwards-concave arc shape, and under the action of the inwards-concave arc shape, the cigarette cartons are heated through the inwards-concave arc shape. The arc-shaped structure and the round cigarette bar are more convenient to position, heating in an inner concave arc mode is more attached to the periphery of the cigarette bar, local extrusion cannot be caused, the adhesive position of the cigarette bar can be effectively prevented from being pressed and deformed, and the product quality level can be improved.
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Description

Technical Field

[0001] This application relates to the field of cigarette processing equipment technology, and in particular to a cigarette bar heating device for a cigarette making machine. Background Technology

[0002] In the cigarette manufacturing process, cigarette forming is completed in the cigarette rolling machine. The cigarette paper and tobacco bundle are gathered and rolled into a circular cigarette strip at the cigarette gun. The formed cigarette strip is then conveyed to the glue supply device, where the edges of the rolled and wrapped cigarette paper are glued together. A heating device is then used to heat and dry the glued area, ensuring a firm bond. The cigarette strip is then conveyed to subsequent processing stages for cutting and other treatments. However, when using the heating device to heat and dry the glued area, sufficient heat is required. This pressure can easily deform the glued area, resulting in a non-precisely circular cross-section, affecting product quality. Furthermore, the heating device and the glued area need to be aligned during the heating and drying process. However, the reference point between the heating device and the cigarette strip is not clear or intuitive enough, making adjustments inconvenient. Utility Model Content

[0003] The purpose of this application is to provide a cigarette heating device for a cigarette rolling machine. This device can achieve precise positioning with the cigarette and will not cause deformation of the cigarette during the heating process, thereby effectively solving the shortcomings of the prior art.

[0004] Therefore, this application provides a cigarette bar heating device for a cigarette rolling machine, including a heating element, the heating element having:

[0005] First area;

[0006] The second region has a first end and a second end;

[0007] The first end of the second region is connected to the first region, the thickness of the second end of the second region is less than the thickness of the first end of the second region, and the side of the second end of the second region away from the first region is set in an inward arc shape.

[0008] In some possible implementations, the first region is arranged in the shape of a long plate, and the first end of the second region is connected to one end of the first region in the width direction.

[0009] In some possible implementations, the thickness of the second region gradually decreases along the direction from the first end to the second end of the second region.

[0010] In some possible implementation manners, the thickness of the second region continuously decreases along a direction from the first end of the second region to the second end of the second region.

[0011] In some possible implementation manners, the second region is arranged to be symmetric with respect to the thickness of the first region.

[0012] In some possible implementation manners, an inner concave arc angle of the second end of the second region is 90 degrees.

[0013] In some possible implementation manners, along a length direction of the first region, a chamfer is arranged at positions of two ends of the heat-generating body and corresponding to the inner concave arc of the second region.

[0014] In some possible implementation manners, a round corner is arranged at a connection position of the chamfer and the inner concave arc of the second region.

[0015] In some possible implementation manners, the mounting base is further provided with a mounting groove recessed in the mounting base, and the heat-generating body is arranged in the mounting groove.

[0016] In some possible implementation manners, the mounting base is further provided with a connecting piece arranged in a door shape, and the connecting piece is hooked to a connecting groove of the mounting base.

[0017] According to the cigarette heating device of the cigarette rolling machine group provided in the embodiments of the present application, the heat-generating body is arranged, and the heat-generating body has a first region and a second region, a first end of the second region is connected to the first region, and a second end of the second region is arranged in an inner concave arc shape away from one side of the first region. The cigarette is heated through the inner concave arc shape. Under the action of the inner concave arc shape, the arc structure and the circular cigarette are more convenient to position, the inner concave arc shape is more fitted to the outer periphery of the cigarette, local extrusion deformation of the cigarette is avoided, the position of the adhesive of the cigarette is effectively prevented from being deformed under pressure, and the product quality level is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure diagram of the heating device provided in the embodiments of the present application is shown.

[0019] Figure 2 A structure diagram of the heating device provided in the embodiments of the present application is shown. Figure 1 A local enlarged view of position A in FIG. 4 is shown.

[0020] Figure 3 A structure diagram of the heating device provided in the embodiments of the present application is shown.

[0021] Figure 4 A structure diagram of the heating device provided in the embodiments of the present application is shown. Figure 3 A local enlarged view of position B in FIG. 5 is shown.

[0022] Figure 5This is a side view along the length of the heating element provided in an embodiment of this application;

[0023] Figure 6 A perspective view of the heating element provided in the embodiments of this application;

[0024] Figure 7 for Figure 6 A magnified view of a section at point C;

[0025] Figure 8 This is a partial structural schematic diagram of a heating element provided in another embodiment of this application. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] like Figures 1-8 As shown in the illustration, this application provides a cigarette pack heating device for a cigarette rolling machine, applied in the production process of a cigarette factory, preferably used in a cigarette rolling machine to heat the cigarette pack. During the production process, the cigarette paper and tobacco bundle are gathered and rolled into a circular cigarette pack at the cigarette gun. The formed cigarette pack is then conveyed to the glue supply device, where glue is applied to the edges of the cigarette paper to bond them together, completing the rolling of the cigarette pack. The glued areas of the cigarette pack are then heated and dried using a heating device to ensure the edges of the cigarette paper are firmly adhered. Currently used heating devices heat the cigarette pack... During the heating and drying process, the heating surface of the heating device exerts pressure on the adhesive area of ​​the tobacco stick to ensure sufficient heating. This pressure can easily cause the tobacco stick to deform, affecting product quality. Furthermore, during the heating and drying process, the heating surface of the heating device needs to be aligned with the tobacco stick. However, the reference comparison between the heating device and the tobacco stick is not clear or intuitive enough, making adjustment inconvenient. The tobacco stick heating device for the coiling machine provided in this application aims to prevent the tobacco stick from being squeezed and deformed during the heating and drying process, while improving the convenience of aligning and adjusting the heating device and the tobacco stick.

[0028] The cigarette heating device of the cigarette rolling machine set comprises a heating body 100 made of metal, which can be connected in series in a circuit, and an electrically conductive cable is arranged to form series connection with the heating body 100, so that the heating body 100 generates heat, and the heating body 100 is in contact with the glue position of the cigarette to heat and dry the glue position of the cigarette. The heating body 100 has a first area 101 and a second area 102. The second area 102 has a first end 1021 and a second end 1022. The first end 1021 of the second area 102 is connected to the first area 101. The thickness of the second end 1022 of the second area 102 is smaller than that of the first end 1021 of the second area 102. In addition, the side of the second end 1022 of the second area 102 away from the first area 101 is arranged in a concave arc shape, that is, the side of the second end 1022 of the second area 102 away from the first area 101 is an arc surface. The arc surface is a concave arc, and the arc diameter of the arc surface is the same as the diameter of the cigarette. The arc surface is used to contact the glue position of the cigarette. The arc surface and the arc-shaped glue position of the cigarette are more closely matched. Compared with the previous flat heating device, the arc surface will not cause deformation of the cigarette when it contacts the cigarette, which helps to improve product quality. In addition, when the arc surface and the glue position of the cigarette are aligned, the reference alignment between the arcs is more accurate, and the position adjustment of the heating body 100 is greatly improved in convenience.

[0029] In addition, since the thickness of the second end 1022 of the second area 102 is smaller than that of the first end 1021 of the second area 102, the part of the second area 102 in contact with the cigarette is thinner. Therefore, the heat is concentrated, the heating point is concentrated, the heating position is more accurate, and the cigarette is not overheated.

[0030] Preferably, the first area 101 is arranged in a long plate shape, the first end 1021 of the second area 102 is connected to one end of the first area 101 in the width direction, the first area 101 is a flat long plate structure with length, width and thickness, the second area 102 is a long strip, the second area 102 and the first area 101 are arranged in parallel, the first end 1021 of the second area 102 is connected to one end of the first area 101 in the width direction, so that the heating body 100 is also a long member. When the cigarette is heated and dried, the cigarette moves along the arc surface, so that the arc surface contacts the glue position of the cigarette, which helps to heat the glue position sufficiently.

[0031] The thickness of the second area 102 gradually decreases along the direction from the first end 1021 to the second end 1022 of the second area 102, preferably, the thickness of the second area 102 continuously decreases along the direction from the first end 1021 to the second end 1022 of the second area 102, so that the thickness of the second area 102 continuously decreases from the first end to the second end, so that the cross section of the second area 102 is substantially trapezoidal, and the arc-shaped surface is located at the smaller base of the trapezoidal cross section.

[0032] More preferably, the second area 102 is symmetrically arranged relative to the width center plane of the first area 101, the first area 101 is a flat and long plate structure, the width center plane of the first area 101 refers to the central symmetry plane of the two sides of the first area 101 in the thickness direction, and the second area 102 is a structure symmetrically arranged relative to the central symmetry plane, that is, the cross-sectional shape of the second area 102 in the plane perpendicular to the length direction is an isosceles trapezoid, the smaller base of the isosceles trapezoid is an arc-shaped concave surface, so that the whole heating body 100 is also constructed as a structure symmetrically arranged relative to the above-mentioned central symmetry plane, which is beneficial for installation and arrangement.

[0033] Preferably, the angle of the arc-shaped concave surface on the second end 1022 of the second area 102 is 90 degrees, so that the arc-shaped angle of the arc-shaped concave surface is 1 / 4 of the circumference, and the contact with the outer periphery of the tobacco rod is 1 / 4 of the circumference, and the contact in this proportion is beneficial for the position of the tobacco rod to be circular, and is also matched well with the adhesive area of the adhesive position on the tobacco rod, so that the adhesive position is sufficiently heated.

[0034] In some embodiments, along the length direction of the first area 101, the two ends of the heat generating body 100 and the position corresponding to the concave arc of the second area 102 are provided with chamfers 200. In this embodiment, the heat generating body 100 is an elongated member, the first area 101 is a long plate structure, the second area 102 is a long strip structure, the second area 102 and the first area 101 are arranged side by side, the first end 1021 of the second area 102 is connected to one side of the first area 101 in the width direction, the thickness of the first area 101 is uniform, the thickness of the first end 1021 of the second area 102 is the same as the thickness of the first area 101, the thickness of the second end 1022 of the second area 102 is smaller than the thickness of the first end 1021 of the second area 102, and the end surface of the second end 1022 of the second area 102 is an arc surface for contacting the tobacco rod. The first area 101 and the second area 102 are preferably integrally formed. Along the length direction of the first area 101, chamfers 200 are provided at the positions of the two ends of the heat generating body 100 corresponding to the concave arc of the second area 102. That is, chamfers 200 are provided at the positions of the two ends of the heat generating body 100 close to the second end 1022 of the second area 102. Because the arc surface contacts and heats the tobacco rod in continuous conveying, the chamfers 200 form an outward opening structure, which is beneficial for positioning the tobacco rod, and the position forms an obtuse external corner, which reduces the scratch rate of the tobacco rod.

[0035] More preferably, a fillet 300 is provided at the connection between the chamfer 200 and the concave arc of the second area 102. The fillet 300 is provided at the connection between the chamfer 200 and the arc surface of the second area 102. The transition is smoother, which further reduces the scratch rate of the tobacco rod and improves product quality.

[0036] Preferably, the tobacco rod heating device of the rolling machine further comprises a mounting seat 400 provided with a mounting groove 401 recessed in the mounting seat 400. The heat generating body 100 is arranged in the mounting groove 401. The mounting seat 400 can be mounted on the equipment rack or other positions, thereby achieving the installation of the heat generating body 100. In this embodiment, the mounting seat 400 is an elongated member, and the mounting groove 401 is arranged along the length direction of the mounting seat 400. The mounting groove 401 is recessed on the outer surface of the mounting seat 400. The first area 101 as a whole or a part of the first area 101 extends into the mounting groove 401. An adhesive or a screw can be arranged between the heat generating body 100 and the mounting groove 401 to increase the connection stability.

[0037] More preferably, the mounting base 400 is provided with a connecting groove 402, the connecting member 500 is hooked to the connecting groove 402, the mounting groove 401 is arranged on one side of the mounting base 400, the connecting groove 402 is arranged on the other side of the mounting base 400, in the cross section in the plane perpendicular to the length direction of the mounting base 400, the mounting groove 401 is arranged on the bottom of the mounting base 400, the connecting groove 402 is provided with two, and the two connecting grooves 402 are respectively located on the left and right sides of the top of the mounting base 400, the connecting member 500 is provided in a door shape, the connecting member 500 comprises a middle side and an external force side, the external force side is provided with two, the middle side and the external force side are both plate structures, the two external force sides are respectively connected to the two sides of the middle side perpendicularly to form a door shape, one end of the external force side is connected to the middle side, the other end of the external force side is provided with a hook, and the hook is arranged inwardly, so that the hooks on the two external force sides can be hooked in the two connecting grooves 402 respectively, so that the connection between the connecting member 500 and the mounting base 400 is realized, and the connecting member 500 can be adjusted along the length direction of the connecting groove 402, which is convenient for the adjustment of the installation process, so that the mounting base 400 is mounted on the equipment rack through the connecting member 500, the connecting member 500 can be provided with multiple to improve the installation stability, and in the embodiment, a positioning block 600 can also be arranged on the top of the mounting base 400, a through hole is arranged on the positioning block 600, and a through hole is arranged on the two ends of the mounting base 400 in the length direction, the through hole and the mounting groove 401 are communicated, so that the wires and the heat generating body 100 are connected through the through hole, and in the embodiment, the positioning block 600 can be mounted on the mounting base 400 through a screw, so that the through hole on the positioning block 600 and the through hole on the mounting base 400 are aligned, so that the wires are positioned and installed.

[0038] It should be noted that the phrases "one embodiment," "an embodiment," "some embodiments," "exemplary embodiment," "one specific embodiment," and "some embodiments" as used herein can indicate that the embodiment(s) so described can include, but not require, the specific features, structures, or characteristics being described. Furthermore, this usage of these phrases can also be consistent with the usage of such phrases in the patent field, where such phrases are not necessarily used to refer to the same embodiment(s). In addition, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the purview of one of ordinary skill in the art to effect such feature, structure, or characteristic in connection with a different embodiment, whether or not the different embodiment is described or otherwise presented in this specification.

[0039] It will be readily understood that the terms "on," "above," and "over," in the disclosure, are to be interpreted in the broadest context possible so that "on" means not only "directly on" but also includes the meaning of "on" with intervening features or layers therebetween, and "above" or "over" includes not only the meaning of "above" or "over" but also the meaning of "above" or "over" without intervening features or layers therebetween.

[0040] In addition, spatially relative terms, such as "under", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0041] Note that, in the description, relative terms such as "first" and "second", and the like, can be used solely to distinguish one from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0042] Finally, it should be noted that the above-described embodiments are merely intended for describing and illustrating, not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or equivalently replace some or all of the technical features thereof; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A cigarette rod heating device for a cigarette making machine, characterized in that, The heating body comprises: a first region; a second region having a first end and a second end; wherein the first end of the second region is connected to the first region, the thickness of the second end of the second region is less than the thickness of the first end of the second region, and the side of the second end of the second region away from the first region is provided with a concave arc shape.

2. A heating device for a cigarette rod according to claim 1, characterized in that: The first region is provided in a long plate shape, and the first end of the second region is connected to one end of the first region in the width direction.

3. A cigarette rod heating device for use in a cigarette making machine as claimed in claim 2, wherein: The thickness of the second region gradually decreases along the direction from the first end to the second end of the second region.

4. A cigarette rod heating device for use in a cigarette making machine as claimed in claim 3, wherein: The thickness of the second region continuously decreases along the direction from the first end to the second end of the second region.

5. A cigarette rod heating device for use in a cigarette making machine as claimed in claim 4, wherein: The second region is provided in a thickness mid-symmetrical manner relative to the first region.

6. A heating device for a cigarette rod of a cigarette making machine according to claim 1, characterized in that: The angle of the concave arc shape on the second end of the second region is 90 degrees.

7. A heating device for a cigarette rod according to claim 1, characterized in that: Along the length direction of the first region, the two ends of the heating body and the positions corresponding to the concave arc shape of the second region are provided with chamfers.

8. A cigarette rod heating device for use in a cigarette making machine as claimed in claim 7, wherein: The connection between the chamfer and the concave arc shape of the second region is provided with a round corner.

9. A heating device for a cigarette rod of a cigarette making machine according to claim 1, characterized in that: Further comprising a mounting seat provided with a mounting groove recessed in the mounting seat, and the heating body is arranged in the mounting groove.

10. A cigarette rod heating device for use in a cigarette making machine as claimed in claim 9, wherein: Further comprising a connecting piece provided in a door shape, and the mounting seat is provided with a connecting groove, and the connecting piece is hooked to the connecting groove.