阅读说明：本技术 一种双层无搭口纸管复合滤嘴棒及成型设备 (Double-layer lap-free paper tube composite filter tip rod and forming equipment ) 是由 杨成云 杨永平 于 2019-09-25 设计创作，主要内容包括：本发明公开一种双层无搭口纸管复合滤嘴棒及成型设备,涉及烟草滤嘴棒技术领域。所述双层无搭口纸管棒复合成型的滤嘴棒,中间段为双层无搭口纸管棒,由短边对齐、长边后缩形成搭口,由纸管成型装置将搭口对接呈光滑过渡,并喷涂降温材料；由此成型的纸管棒,通过双层成型纸搭口的巧妙设计,成型的纸管棒表面光滑过渡,同时双层成型纸支撑性极好,能有效改善现有纸管棒圆周、圆度的质量问题,即成型的纸管棒按压后的回弹性及本身成型纸管棒的圆度较好,由此复合成型的滤嘴棒具有较好的支撑性和降温效果；本发明以独特新颖的结构设计合加工工艺、设备,能有效改善圆周、圆度的质量问题及降温率,可实现连续产业化生产,同时降低生产成本。(The invention discloses a double-layer lap-free paper tube composite filter tip and forming equipment, and relates to the technical field of tobacco filter tips. The middle section of the filter tip rod is a double-layer paper tube rod without lap openings, lap openings are formed by aligning short edges and shrinking long edges backwards, the lap openings are butted by a paper tube forming device to form smooth transition, and cooling materials are sprayed; the surface of the formed paper tube rod is in smooth transition through the ingenious design of the lap of the double-layer forming paper, meanwhile, the support performance of the double-layer forming paper is excellent, and the quality problems of the circumference and the roundness of the existing paper tube rod can be effectively improved, namely the rebound resilience of the pressed formed paper tube rod and the roundness of the formed paper tube rod are better, so that the filter rod formed by compounding has better support performance and cooling effect; the invention combines the processing technology and equipment with unique and novel structural design, can effectively improve the quality problems of circumference and roundness and the cooling rate, can realize continuous industrial production, and simultaneously reduces the production cost.)

1. The utility model provides a double-deck no overlap mouth paper pipe stick which characterized in that: the forming paper comprises first forming paper and second forming paper with the same specification, wherein the short edge ends of the first forming paper and the second forming paper are aligned and overlapped, the long edge end of the outer end of the forming paper is retracted to form an overlap opening, the overlap opening is butted by a paper tube forming device to form smooth transition, and the first forming paper, the second forming paper and the overlap opening end are bonded through vinyl acetate latex;

the paper tube forming device comprises an unwinding mechanism, a shearing mechanism, a gluing device, a feeding mechanism, an overlapping forming mechanism and a tube cutting mechanism, wherein the unwinding mechanism is located on the left side and the right side, the two unwinding mechanisms are transversely and longitudinally poor in displacement, the tail end of the unwinding mechanism is the feeding mechanism and is provided with the shearing mechanism, the gluing device is arranged on the unwinding mechanism at one end, the overlapping forming mechanism is arranged in the middle of the two unwinding mechanisms, the overlapping forming mechanism enables first forming paper and second forming paper to be overlapped and formed into a double-layer paper tube, and meanwhile the tube cutting mechanism is arranged on the overlapping forming mechanism and cuts two ends of the paper tube evenly.

2. the double-layer lap-free paper pipe stick of claim 1, wherein: the unwinding mechanism comprises a first forming paper unwinding mechanism and a second forming paper unwinding mechanism, and the first forming paper unwinding mechanism is longitudinally retracted relative to the second forming paper unwinding mechanism, so that long edges of the first forming paper and the second forming paper are retracted to form a lap;

The backward shrinkage size of the second forming paper unwinding mechanism is 0.5-5 mm; in the horizontal height, the second forming paper unwinding mechanism is higher than the first forming paper unwinding mechanism;

the back ends of the first forming paper unwinding mechanism and the second forming paper unwinding mechanism are connected with the driving roller, and meanwhile, the first forming paper and the second forming paper are clamped and stretched to the gluing device and the lap joint forming mechanism through the feeding mechanism.

3. The double-layer lap-free paper pipe stick of claim 1, wherein: the shearing mechanism is a movable cutter arranged at the rear end of the driving roller, the head end and the tail end of the first forming paper and the second forming paper sheared by the shearing mechanism are respectively clamped and stretched by the feeding mechanisms, and the feeding mechanisms of the first forming paper and the second forming paper and the corresponding unwinding mechanisms are on the same horizontal plane;

The feeding mechanism comprises a slide rail and a clamping mechanism, the clamping mechanism is arranged on the slide rail and is used for clamping or pressing two ends of the formed paper cut by the shearing mechanism, the main body of the clamping mechanism is a square frame body, two formed paper clamps are arranged on the square frame body, one of the formed paper clamps is fixed at the rear end of the square frame body, and the other formed paper clamp can slide from the rear end of the square frame body to the front end and is locked;

The fixed molding paper clamp is fixed on the square frame body and is in a semicircular arc shape, one end of the fixed molding paper clamp is fixed on the square frame body through an elastic element, the other end of the fixed molding paper clamp is attached to the frame body but not fixed, a penetrating hollow groove is formed in the top end of the semicircular arc shape, two ends of the movable molding paper clamp are slidably connected with the square frame body and are provided with locking mechanisms, a paper clamp is arranged at the middle end of the movable molding paper clamp and is clamped at two ends or the middle of molding paper, and the square frame body moves on the sliding rail until the;

the feeding mechanism of the second forming paper can vertically move downwards and then is overlapped with the feeding mechanism of the first forming paper to bond the first forming paper and the second forming paper.

4. The double-layer lap-free paper pipe stick of claim 1, wherein: the gluing device is arranged at the end close to the first forming paper unreeling mechanism, vinyl acetate latex is uniformly coated on the upper end surface of the forming paper clamped by the feeding mechanism through the gluing roller, the second forming paper is attached to the upper end surface of the glued first forming paper through the feeding mechanism, then the second forming paper is transmitted and pressed through the double clamping type driving rollers, at the moment, a lap opening is formed between the second forming paper and the first forming paper, and then the second forming paper is conveyed to the lap joint forming mechanism.

5. the double-layer lap-free paper pipe stick of claim 1, wherein: the lap joint forming mechanism is a full-automatic numerical control flat paper tube rolling machine, lap joints formed by first forming paper and second forming paper are connected and smoothly transited, and then ends of formed paper tube rods are removed and cut into short paper tube rods with the same specification.

6. The double-layer lap-free paper tube composite formed filter rod as claimed in any one of claims 1-5, wherein:

The filter rod formed by composite forming is formed by rolling up filter rod forming paper through a cigarette receiving section, a paper tube rod section and a filter tip containing section, the cigarette receiving section is a tobacco shred or slice shred pressing forming rear end connecting paper tube rod section, the inner wall and the outer wall of the paper tube rod are both sprayed with cooling materials, the rear end connecting the filter tip containing section of acetate fibers or polylactic acid fibers, and the filter tip rod forming paper wraps the filter tip rod forming paper to form the filter tip rod.

7. The double-layer lap-free paper tube composite formed filter rod as claimed in claim 6, wherein: the filter rod compositely formed by the double-layer lap-free paper tube rod comprises a thin filter rod and a thick filter rod;

the length of the paper tube stick segment exceeds the single length of the cigarette receiving segment and the mouth containing segment, but does not exceed the sum of the two lengths.

8. use of the double-layer lap-free paper tube composite formed filter rod as claimed in any one of claims 6 or 7 in low-temperature non-combustion cigarettes.

Technical Field

The invention relates to the technical field of tobacco filter tips, in particular to a double-layer lap-free paper tube composite filter tip and forming equipment.

background

The cigarette filter tip is a main component of a cigarette and has the functions of filtering smoke and reducing harmful ingredients in the smoke; the common cigarette filter rod mainly comprises formed paper, tows and lap adhesive, wherein the formed paper is formed by processing wood pulp and matching with auxiliary materials, the tows are acetate fiber tows and propylene fiber tows, polylactic acid fiber tows are also used as the tows of the filter rod in the year, and the tows are wrapped in the formed paper to form the filter rod.

the low-temperature non-combustion cigarette developed in the tobacco industry at present is a novel tobacco product which heats tobacco shreds (below 500 ℃ or even lower) by utilizing a special heat source and only heats the tobacco shreds without combustion, and is characterized in that the release amount of harmful components is lower and provides certain tobacco characteristic feeling for consumers; the filter rod and the filter rod cigarette product formed by the technology have great defects in the problems of industrial production, application and the like.

Disclosure of Invention

aiming at the problems in the prior art, the invention provides a double-layer lap-free paper tube composite filter tip and a forming device, which combine a processing technology and a device with a unique and novel structural design, can effectively improve the quality problems of circumference and roundness and the cooling rate, can realize continuous industrial production, and simultaneously reduce the production cost.

in order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a double-layer paper tube rod without lap openings comprises first forming paper and second forming paper with the same specification, wherein the short edge ends of the first forming paper and the second forming paper are overlapped in an aligned mode, the long edge end of the outer end of the forming paper is retracted to form a lap opening, the lap opening is butted by a paper tube forming device to form smooth transition, and the first forming paper, the second forming paper and the lap opening end are bonded through vinyl acetate latex;

The paper tube forming device comprises an unwinding mechanism, a shearing mechanism, a gluing device, a feeding mechanism, an overlapping forming mechanism and a tube cutting mechanism, wherein the unwinding mechanism is located on the left side and the right side, the two unwinding mechanisms are transversely and longitudinally poor in displacement, the tail end of the unwinding mechanism is the feeding mechanism and is provided with the shearing mechanism, the gluing device is arranged on the unwinding mechanism at one end, the overlapping forming mechanism is arranged in the middle of the two unwinding mechanisms, the overlapping forming mechanism enables first forming paper and second forming paper to be overlapped and formed into a double-layer paper tube, and meanwhile the tube cutting mechanism is arranged on the overlapping forming mechanism and cuts two ends of the paper tube evenly.

furthermore, the unwinding mechanism comprises a first forming paper unwinding mechanism and a second forming paper unwinding mechanism, and the first forming paper unwinding mechanism is longitudinally retracted relative to the second forming paper unwinding mechanism, so that long edges of the first forming paper and the second forming paper are retracted to form a lap;

The backward shrinkage size of the second forming paper unwinding mechanism is 0.5-5 mm; in the horizontal height, the second forming paper unwinding mechanism is higher than the first forming paper unwinding mechanism;

the back ends of the first forming paper unwinding mechanism and the second forming paper unwinding mechanism are connected with the driving roller, and meanwhile, the first forming paper and the second forming paper are clamped and stretched to the gluing device and the lap joint forming mechanism through the feeding mechanism.

Furthermore, the shearing mechanism is a movable cutter arranged at the rear end of the driving roller, the head end and the tail end of the first forming paper and the second forming paper sheared by the shearing mechanism are respectively clamped and stretched by the feeding mechanisms, and the feeding mechanisms of the first forming paper and the second forming paper and the corresponding unwinding mechanisms are on the same horizontal plane;

the feeding mechanism comprises a slide rail and a clamping mechanism, the clamping mechanism is arranged on the slide rail and is used for clamping or pressing two ends of the formed paper cut by the shearing mechanism, the main body of the clamping mechanism is a square frame body, two formed paper clamps are arranged on the square frame body, one of the formed paper clamps is fixed at the rear end of the square frame body, and the other formed paper clamp can slide from the rear end of the square frame body to the front end and is locked;

The fixed molding paper clamp is fixed on the square frame body and is in a semicircular arc shape, one end of the fixed molding paper clamp is fixed on the square frame body through an elastic element, the other end of the fixed molding paper clamp is attached to the frame body but not fixed, a penetrating hollow groove is formed in the top end of the semicircular arc shape, two ends of the movable molding paper clamp are slidably connected with the square frame body and are provided with locking mechanisms, a paper clamp is arranged at the middle end of the movable molding paper clamp and is clamped at two ends or the middle of molding paper, and the square frame body moves on the sliding rail until the;

The feeding mechanism of the second forming paper can vertically move downwards and then is overlapped with the feeding mechanism of the first forming paper to bond the first forming paper and the second forming paper.

Furthermore, the gluing device is arranged at the end close to the first forming paper unreeling mechanism, vinyl acetate latex is uniformly coated on the upper end face of the forming paper clamped by the feeding mechanism through the gluing roller, the second forming paper is attached to the upper end face of the glued first forming paper through the feeding mechanism, then the second forming paper is transmitted and pressed through the double clamping type driving rollers, at the moment, the second forming paper retracts backwards to form a joint with the first forming paper, and then the second forming paper is conveyed to the lap joint forming mechanism.

Furthermore, the lap joint forming mechanism is a full-automatic numerical control flat paper tube rolling machine, lap joints formed by the first forming paper and the second forming paper are connected and smoothly transited, and then ends of the formed paper tube rods are removed and cut into short paper tube rods with the same specification.

The invention also aims to provide a filter rod which is formed by compounding a double-layer lap-free paper tube rod;

The filter rod formed by composite forming is formed by rolling up filter rod forming paper through a cigarette receiving section, a paper tube rod section and a filter tip containing section, the cigarette receiving section is a tobacco shred or slice shred pressing forming rear end connecting paper tube rod section, the inner wall and the outer wall of the paper tube rod are both sprayed with cooling materials, the rear end connecting the filter tip containing section of acetate fibers or polylactic acid fibers, and the filter tip rod forming paper wraps the filter tip rod forming paper to form the filter tip rod.

furthermore, the filter rod which is formed by compounding the double-layer lap-free paper tube rod comprises a thin filter rod and a thick filter rod;

The length of the paper tube stick segment exceeds the single length of the cigarette receiving segment and the mouth containing segment, but does not exceed the sum of the two lengths.

The invention also aims to provide the application of the filter rod which is formed by compounding the double-layer lap-free paper tube rod in the low-temperature non-combustion cigarette.

The invention has the beneficial effects that: the middle section of the filter tip rod is the double-layer paper tube rod without the lap opening, the short sides of the filter tip rod are aligned, the long sides of the filter tip rod are retracted to form the lap opening, the lap opening is butted by a paper tube forming device to form smooth transition, and cooling materials are sprayed; the surface of the formed paper tube rod is in smooth transition through the ingenious design of the lap of the double-layer forming paper, meanwhile, the support performance of the double-layer forming paper is excellent, and the quality problems of the circumference and the roundness of the existing paper tube rod can be effectively improved, namely the rebound resilience of the pressed formed paper tube rod and the roundness of the formed paper tube rod are better, so that the filter rod formed by compounding has better support performance and cooling effect; the invention combines the processing technology and equipment with unique and novel structural design, can effectively improve the quality problems of circumference and roundness and the cooling rate, can realize continuous industrial production, and simultaneously reduces the production cost.

of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

drawings

in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a double-layer lap-free paper tube stick according to an embodiment of the invention;

FIG. 2 is a schematic illustration of the construction of a first and second forming sheet according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the layout of components of the paper tube forming apparatus according to the embodiment of the present invention;

FIG. 4 is a schematic diagram of another arrangement of components of the paper tube forming apparatus according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a feeding mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a double-layer lap-free paper tube composite filter rod according to an embodiment of the present invention;

In the drawings, the components represented by the respective reference numerals are listed below:

1-first forming paper, 101-lap joint, 2-second forming paper, 3-unwinding mechanism, 301-second forming paper unwinding mechanism, 302-first forming paper unwinding mechanism, 303-driving roller, 4-shearing mechanism, 5-gluing device, 501-gluing roller, 6-feeding mechanism, 601-sliding rail, 602-square frame body, 603-fixed forming paper clamp, 604-movable forming paper clamp, 7-clamping driving roller and 8-lap joint forming mechanism.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.