Twisting and connecting device for cigarette set packaging paper

Abstract

The utility model relates to the technical field of cigarette processing equipment, and discloses a cigarette set tipping paper twisting and connecting device, a paper cutting drum wheel positioned above a closing drum wheel is used for bonding the front end of tipping paper with a cigarette bar, a closing drum wheel groove is used for placing the cigarette bar, the closing drum wheel groove serving as a cigarette bar placing area is filed, and the width of a notch is increased to be greater than the diameter of the cigarette bar. The difference value is the width of the extrusion deformation area. When the closing drum wheel rotates to enable the closing drum wheel groove to directly face the paper cutting drum wheel, the gap between the paper cutting drum wheel and the groove bottom of the closing drum wheel groove is a second preset width, the second preset width is smaller than the diameter of the cigarette bar, it is guaranteed that the twisting and connecting quality of a cigarette group is intact and stable, meanwhile, the cigarette bar has redundant deformation space, and therefore the twisting and connecting quality of the cigarette group is improved. The pressure generated when the cigarette carton is extruded by the interaction of the paper cutting drum wheel and the approaching drum wheel can be effectively reduced, the situation that part of tobacco stems in the cigarette carton pierce cigarette paper due to the too large pressure is avoided, and therefore the phenomenon that cigarettes are pierced is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cigarette processing equipment technical field especially, relate to a kind of cigarette group tipping paper rubbing device. BACKGROUND

[0002] In the production process of applying PROTOS cigarette machine type, due to the tobacco shred raw material in cigarette contains many stems, the silk supply machine can have partial stem-removing incomplete and other reasons, leading to the cigarette often contains part of tobacco stem, which is difficult to eliminate.

[0003] Among them, PROTOS cigarette machine type needs to combine with the tipping paper meeting the process requirements after cutting and gluing after the filter tip and cigarette rod processed and converged by other processes are brought together in filter tip joint stage, they will converge to form cigarette group on rubbing wheel;When tipping paper converges and overlaps with cigarette rod on the rubbing drum and the bringing-together drum, a compression amount will be formed to extrude cigarette rod, so that tipping paper is pasted on cigarette group. Cigarette containing tobacco stem is extruded in production, which will easily pierce cigarette paper, resulting in the increase of defective product piercing smoke. In the past bringing-together drum, the working surface of the bringing-together drum when overlapping is a whole groove, which contacts with cigarette rod, to ensure good rubbing quality, the extrusion of part of cigarette rod is larger, which will lead to the increase of piercing smoke. In summary, the extrusion of cigarette rod by cutting drum is designed and cannot be avoided.

[0004] Therefore, a cigarette group tipping paper rubbing device is urgently needed, which can reduce the production of piercing smoke without affecting the overlapping of tipping paper and cigarette rod. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of cigarette group tipping paper rubbing device, can guarantee that cigarette group is in rubbing quality intact, effectively reduce the pressure received by cigarette rod, to reduce the production of piercing smoke.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Cigarette group tipping paper rubbing device, comprising:

[0008] Bringing-together drum, the outer periphery of the bringing-together drum is provided with bringing-together drum groove, the bringing-together drum groove is used to place cigarette rod, the slot width of the bringing-together drum groove is first preset width, the first preset width is greater than the diameter of the cigarette rod, the bringing-together drum groove is provided with cigarette rod placing area and extrusion deformation area extending along the slot width direction of the bringing-together drum groove, the width of the extrusion deformation area is the difference between the first preset width and the diameter of the cigarette rod;

[0009] The paper cutting drum is located above the gathering drum, and is used for pasting the front end of the tipping paper on the tobacco rod. When the gathering drum rotates to make the gathering drum groove face the paper cutting drum, the gap between the paper cutting drum and the bottom of the gathering drum groove is a second preset width, which is smaller than the diameter of the tobacco rod. The width of the extrusion deformation area is greater than the difference between the diameter of the tobacco rod and the second preset width.

[0010] As an optional technical solution of the tipping paper twisting device for a cigarette group, the gathering drum rotates counterclockwise, and the extrusion deformation area is located on the left side of the tobacco rod placement area, or

[0011] The gathering drum rotates clockwise, and the extrusion deformation area is located on the right side of the tobacco rod placement area.

[0012] As an optional technical solution of the tipping paper twisting device for a cigarette group, the difference between the diameter of the tobacco rod and the second preset width is 1.5 mm, and the width of the extrusion deformation area is 2 mm.

[0013] As an optional technical solution of the tipping paper twisting device for a cigarette group, the length of the paper cutting drum along the axial length of the tobacco rod is smaller than that of the gathering drum. The gathering drum groove is divided into a tipping paper lap portion, an extrusion portion and a non-extrusion portion along the axial direction of the tobacco rod. The projection length of the paper cutting drum on the gathering drum groove is the sum of the length of the tipping paper lap portion and the length of the extrusion portion. The tipping paper is arranged outside the paper cutting drum, and the length of the tipping paper lap portion is equal to the width of the tipping paper.

[0014] As an optional technical solution of the tipping paper twisting device for a cigarette group, the extrusion portion has the tobacco rod placement area and the extrusion deformation area along the slot width direction, respectively.

[0015] As an optional technical solution of the tipping paper twisting device for a cigarette group, a plurality of gathering drum grooves are arranged on the outer periphery of the gathering drum. Each gathering drum groove has a length of twice the length of the tobacco rod. The left and right sides of the tipping paper lap portion are sequentially provided with the extrusion portion and the non-extrusion portion.

[0016] As an optional technical solution of the tipping paper twisting device for a cigarette group, the bottom of the gathering drum groove is provided with an arc surface.

[0017] As an optional technical solution of the tipping paper twisting device for a cigarette group, the bottom of the gathering drum groove is provided with a plurality of air holes for selectively blowing the tobacco rod out of the gathering drum groove.

[0018] As an optional technical scheme of the cigarette group tipping paper rolling device, the closing drum is provided with a paper sticking prevention part on both sides of the closing drum groove, and the paper sticking prevention part is used for supporting the glued surface of the tipping paper.

[0019] As an optional technical scheme of the cigarette group tipping paper rolling device, the paper sticking prevention part is provided with a needle, and the needle tip of the needle is in contact with the glued surface of the tipping paper.

[0020] The cigarette group tipping paper rolling device has the following beneficial effects:

[0021] The cigarette group tipping paper rolling device provided by the utility model includes a closing drum and a paper cutting drum, the outer periphery of the closing drum is provided with a closing drum groove, the closing drum groove is used for placing a cigarette rod, the slot width of the closing drum groove is a first preset width, the first preset width is greater than the diameter of the cigarette rod, the closing drum groove has a cigarette rod placing area and an extrusion deformation area along the slot width direction, and the width of the extrusion deformation area is the difference between the first preset width and the diameter of the cigarette rod.

[0022] The paper cutting drum located above the closing drum is used for pasting and combining the front end of the glued tipping paper with the cigarette rod to form a cigarette group, when the closing drum rotates to make the closing drum groove face the paper cutting drum, the gap between the paper cutting drum and the groove bottom of the closing drum groove is a second preset width, the second preset width is smaller than the diameter of the cigarette rod, the width of the extrusion deformation area is greater than the difference between the diameter of the cigarette rod and the second preset width, the pressure of the cigarette rod when being extruded by the interaction of the paper cutting drum and the closing drum can be effectively reduced without changing the compression amount of the tipping paper and the cigarette group, the pressure is not too large to make part of the tobacco stem in the cigarette rod pierce the cigarette paper, and the generation of the pierced cigarette is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is a partial working schematic view of the cigarette group tipping paper rolling device provided by the embodiment of the utility model;

[0024] Fig. 2 is a front view of the cigarette group tipping paper rolling device provided by the embodiment of the utility model;

[0025] Fig. 3 is a partial side view of the closing drum of the cigarette group tipping paper rolling device provided by the embodiment of the utility model.

[0026] In the drawings:

[0027] 100, the approach drum; 110, the approach drum groove; 1101, the tipping paper lap portion; 1102, the extruded portion; 1130, the non-extruded portion; 111, the tobacco rod placement area; 112, the extruded deformation area; 120, the anti-sticking paper support portion;

[0028] 200, the paper cutting drum; 800, the tipping paper; 900, the tobacco rod. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely used to explain the utility model and are not a limitation on the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0030] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" 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 mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. 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.

[0031] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] In the description of the embodiment, the terms "up", "down", "right", "left" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description and have no special meaning.

[0033] As Figs. 1 to 3The utility model discloses a kind of cigarette group splicing paper rubbing devices, including closing drum wheel 100 and paper cutting drum wheel 200, the effect of closing drum wheel 100 is to close to each other with filter tip cigarette stick 900, and the front end of splicing paper 800 that has been glued on the paper cutting drum wheel 200 located above closing drum wheel 100 is pasted and combined to form cigarette group, then is conveyed to tobacco rubbing wheel.Closing drum wheel 100 is provided with closing drum wheel groove 110 in outer periphery, closing drum wheel groove 110 is used to place cigarette stick 900, the width of the slot of closing drum wheel groove 110 is first preset width, first preset width is greater than the diameter of cigarette stick 900, closing drum wheel groove 110 is provided with cigarette stick placement area 111 and extrusion deformation area 112 along the slot width direction of closing drum wheel groove 110, the width of extrusion deformation area 112 is the difference between first preset width and the diameter of cigarette stick 900.It is equivalent to file closing drum wheel groove 110 originally as cigarette stick placement area 111, increase the width of closing drum wheel groove 110, i.e.

[0034] When closing drum wheel 100 rotates to make closing drum wheel groove 110 directly face paper cutting drum wheel 200, the gap between paper cutting drum wheel 200 and the bottom of closing drum wheel groove 110 is second preset width, second preset width is less than the diameter of cigarette stick 900, the width of extrusion deformation area 112 is greater than the difference between the diameter of cigarette stick 900 and second preset width, and the purpose of this arrangement is to effectively reduce the pressure of cigarette stick 900 when being extruded by the interaction of paper cutting drum wheel 200 and closing drum wheel 100 without changing the compression amount of splicing paper 800 and cigarette group, while ensuring that the quality of the cigarette group is stable, and to avoid excessive pressure causing some of the tobacco stems in cigarette stick 900 to pierce the cigarette paper.The filed part serves as extrusion deformation area 112 when splicing paper 800 and cigarette group are lapped and extruded, which can provide additional deformation space for cigarette stick 900 to reduce the pressure on cigarette stick 900 and the pressure of the tobacco stems inside cigarette stick 900 on the cigarette paper, thereby effectively reducing the occurrence of pierced cigarettes.

[0035] Specifically, the axial length of paper cutting drum wheel 200 along cigarette stick 900 is less than that of closing drum wheel 100, and closing drum wheel groove 110 is divided into splicing paper lapping part 1101, extruded part 1102 and non-extruded part 1130 along the axial direction of cigarette stick 900;The projection length of paper cutting drum wheel 200 on closing drum wheel groove 110 is the sum of the length of splicing paper lapping part 1101 and the length of extruded part 1102;Splicing paper 800 is arranged outside paper cutting drum wheel 200, and the length of splicing paper lapping part 1101 is equal to the width of splicing paper 800.

[0036] It can be understood that only the extruded part 1102 has a tobacco rod placement area 111 and an extrusion deformation area 112 along the slot width direction, and only the extruded part 1102 is filed, and the depth of the extrusion deformation area 112 is consistent with the depth of the tobacco rod placement area 111. Exemplarily, the width of the extrusion deformation area 112 is 2 mm; the length of the extruded part 1102 is the distance from the edge of the tipping paper 800 to the edge of the cutting drum 200.

[0037] Specifically, the extrusion deformation area 112 is located on the left side of the tobacco rod placement area 111 when the drum rotates counterclockwise, or the extrusion deformation area 112 is located on the right side of the tobacco rod placement area 111 when the drum rotates clockwise.

[0038] In this embodiment, the diameter of the tobacco rod 900 is generally 7.7 mm, and the gap between the cutting drum 200 and the bottom of the converging drum groove 110 is the diameter of the tobacco rod 900 minus 1.5 mm when the tobacco group is crimped, that is, the second preset width is 6.2 mm.

[0039] Further, the tipping paper lap portion 1101 is used to place the filter, and does not have quality problems due to extrusion, and does not need to be filed; and the part of the converging drum 100 that avoids the cutting drum 200 is the extruded part, which is obviously not extruded by the cutting drum 200, and also does not need to be filed, and can limit the tobacco group during lapping and transmission to ensure the quality of crimping. The unprocessed tipping paper lap portion 1101 and the unextruded portion 1130 retain the complete tobacco rod placement area 111, which fits the shape of the tobacco rod 900, can ensure that the tobacco group is well lapped with the tipping paper 800, and does not displace, further reducing the occurrence of piercing the tobacco without affecting the lapping quality.

[0040] Exemplarily, a plurality of converging drum grooves 110 are provided on the outer periphery of the converging drum 100, specifically 20 converging drum grooves 110 are uniformly distributed on the converging drum 100, and each converging drum groove 110 has a length of twice the length of the tobacco rod 900, which can place a double-length filter and two single-length tobacco rods 900 as a tobacco group joint, and align with the center line of the device machine. The extruded part 1102 and the unextruded part 1130 are sequentially arranged on the left and right sides of the tipping paper lap portion 1101, which can lap two tobacco rods 900 at a time, and then perform a cutting process, which can effectively reduce the tipping paper 800 crimping process of the tobacco group, and improve production efficiency.

[0041] Optionally, the bottom of each converging drum groove 110 is provided with a plurality of air holes, and the air holes are used to selectively blow the tobacco rod 900 out of the converging drum groove 110. Four air holes with a diameter of 4.0 mm are distributed in the area of the converging drum groove 110 corresponding to one side of the tobacco rod 900, which helps the converging drum 100 to quickly convey the lapped tobacco group to the tobacco crimping wheel.

[0042] In order to further optimize the stress condition of the cigarette rod 900 in the approach drum groove 110, the groove bottom of the approach drum groove 110 is provided as an arc surface, the space utilization in the groove is higher, the deformed cigarette rod 900 can be effectively supported after being extruded, the stress of the cigarette rod 900 is more uniform, and the local pressure of the cigarette rod 900 is avoided from being increased due to sharp edges and corners.

[0043] Specifically, the approach drum 100 is provided with a paper anti-sticking part 120 on the front and rear sides of the approach drum groove 110, and the paper anti-sticking part is used for supporting the gummed surface of the tipping paper 800. The paper anti-sticking part is provided with a needle, the needle tip of the needle is in contact with the gummed surface of the tipping paper 800, the gummed surface of the tipping paper 800 is supported by the needle tip, the over-gummed tipping paper 800 is prevented from being wrinkled or dirtying the surface of the approach drum 100, and the tipping paper 800 is not easy to be stuck.

[0044] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation on the implementation mode of the utility model. For the ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the implementation modes are not required or can not be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A cigarette assembly paper twisting device, characterized by, include: A close-up drum (100) is provided with a close-up drum groove (110) on its outer periphery. The close-up drum groove (110) is used to place a tobacco stick (900). The groove width of the close-up drum groove (110) is a first preset width, which is greater than the diameter of the tobacco stick (900). The close-up drum groove (110) is provided with a tobacco stick placement area (111) and a compression deformation area (112) extending along the groove width direction of the close-up drum groove (110). The width of the compression deformation area (112) is the difference between the first preset width and the diameter of the tobacco stick (900). A paper-cutting drum (200) is located above the approaching drum (100). The paper-cutting drum (200) is used to attach the front end of the tipping paper (800) to the tobacco stick (900). When the approaching drum (100) rotates so that the approaching drum groove (110) is directly opposite the paper-cutting drum (200), the gap between the paper-cutting drum (200) and the bottom of the approaching drum groove (110) is a second preset width. The second preset width is smaller than the diameter of the tobacco stick (900). The width of the extrusion deformation zone (112) is greater than the difference between the diameter of the tobacco stick (900) and the second preset width.

2. The cigarette assembly paper tipping device according to claim 1, wherein, The adducting drum (100) rotates counterclockwise, and the compression deformation zone (112) is located to the left of the tobacco stick placement area (111), or The approach drum (100) rotates clockwise, and the compression deformation zone (112) is located to the right of the tobacco stick placement area (111).

3. The cigarette assembly paper twisting device according to claim 1, wherein The difference between the diameter of the cigarette bar (900) and the second preset width is 1.5 mm, and the width of the extrusion deformation zone (112) is 2 mm.

4. The cigarette assembly paper tipping device of claim 1, wherein, The length of the paper-cutting drum (200) along the axial direction of the tobacco stick (900) is less than that of the approaching drum (100). The approaching drum groove (110) along the axial direction of the tobacco stick (900) is divided into a tipping paper overlap portion (1101), a compressed portion (1102), and an uncompressed portion (1130). The projected length of the paper-cutting drum (200) on the approaching drum groove (110) is the sum of the length of the tipping paper overlap portion (1101) and the length of the compressed portion (1102). The tipping paper (800) is wrapped around the paper-cutting drum (200), and the length of the tipping paper overlap portion (1101) is equal to the width of the tipping paper (800).

5. The cigarette assembly paper tipping device of claim 4, wherein, The compressed portion (1102) has the tobacco stick placement area (111) and the compression deformation area (112) along the width direction of the slot.

6. The cigarette assembly paper tipping device of claim 4, wherein, Multiple grooves (110) are provided on the outer periphery of the approaching drum (100). The length of each groove (110) is twice the length of the cigarette stick (900). The left and right sides of the splicing paper overlap portion (1101) are provided with a squeezed portion (1102) and an unsqueezed portion (1130) in sequence.

7. A cigarette assembly apparatus according to any one of claims 1-6, wherein, The groove bottom of the gathering drum groove (110) is provided as an arc surface.

8. A cigarette assembly apparatus according to any one of claims 1-6, wherein, The groove bottom of the gathering drum groove (110) is provided with a plurality of air holes for selectively blowing out the cigarette rod (900) from the gathering drum groove (110).

9. A cigarette assembly apparatus as defined in any one of claims 1-6, wherein, The gathering drum (100) is provided with anti-sticking paper supporting portions (120) on both sides of the gathering drum groove (110), which are used to support the glued surface of the tipping paper (800).

10. The cigarette assembly paper tipping device of claim 9, wherein, The anti-sticking paper supporting portion is provided with a needle, and the needle tip of the needle is in contact with the glued surface of the tipping paper (800).

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