CN114603929A

CN114603929A - Tooth structure of groove (corrugated) paper forming press roller for cigarette

Info

Publication number: CN114603929A
Application number: CN202210137421.3A
Authority: CN
Inventors: 曹炳强; 谢伟; 刘承钧; 周靖博; 李季蒙; 杨俊峰
Original assignee: Hongyun Honghe Tobacco Group Co Ltd
Current assignee: Hongyun Honghe Tobacco Group Co Ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-06-10
Anticipated expiration: 2042-02-15
Also published as: CN114603929B

Abstract

The invention relates to a tooth structure of a groove (corrugated) paper forming press roller for cigarettes, which belongs to the field of cigarette filter tip forming machinery, and has the advantages of simple structure and reduced manufacturing cost, wherein the tooth height of a manufactured corrugated groove filter rod is 0.4-0.5 mm, the formed groove has clear and uniform profile, a uniform air layer can be formed between corrugated paper and a tow and between the corrugated paper and outer layer cigarette paper, so that the amount of air penetrating into the tow can be greatly increased, the air and smoke in the filter tip are uniformly mixed, the concentration of the smoke is reduced, and the tar reduction effect is effectively improved.

Description

Tooth structure of groove (corrugated) paper forming press roller for cigarette

Technical Field

The invention belongs to the field of cigarette filter tip forming machinery, and particularly relates to a tooth structure of a groove (corrugated) paper forming press roller for cigarettes.

Background

The cigarette with the corrugated inner ring has the advantages that the cigarette paper is arranged on the outer layer of the cigarette, the corrugated paper is wrapped in the cigarette paper, corrugated grooves are formed in the inner ring of the cigarette paper, the suction quantity of fresh air is increased, the smoke temperature is reduced, and the harm of smoke to the oral cavity and the nasal cavity is reduced.

The groove forming paper production equipment imported from abroad is high in price. At present, the products on the domestic market have uneven quality, more or less have the problems of disordered slot positions, unclear appearance and the like, and the tar reducing effect is also influenced. The conventional roller tooth structure has high requirement on dimensional accuracy, high manufacturing cost and high possibility of tooth breakage and damage in the using process.

Disclosure of Invention

In order to overcome the problems in the background art, the invention provides a tooth structure of a groove (corrugated) paper forming press roller for cigarettes, which is used for ensuring the quality of processed products and avoiding the problems of groove position disorder, unclear appearance, influence on tar reduction effect and the like.

In order to realize the purpose, the invention is realized by the following technical scheme:

a tooth structure of a groove (corrugated) paper forming press roller for cigarettes comprises a driving roller II and a driven roller I which are meshed with each other, wherein the driving roller II consists of a tooth structure of six equal-part forming grooves with the chord length E evenly distributed on the circumference of the roller, a positioning shaft hole and a key groove; the included angle of the forming groove teeth of the driving roller II is gamma 1 and is 15 degrees, the formed top width a1 is 0.415-0.435 mm, the tooth bottom width b1 is 0.59mm, the pitch c1 between adjacent teeth is 1.18-1.20 mm, and the tooth height h1 is 0.68 mm; the driven roller I comprises a forming groove tooth-shaped structure, a positioning shaft hole and a key groove which are uniformly distributed on the circumference of the roller in the radial direction; the included angle gamma 2 of the groove teeth formed by the driven roller I is 15 degrees, the formed top width a2 is 0.415-0.435 mm, the tooth bottom width b2 is 0.59mm, the pitch between adjacent teeth is c2 and is 1.18-1.20 mm, the tooth height h2 is 0.68mm, and the included angle delta formed at the position where the depth of the outer part of the tooth shape is d is 45 degrees.

And the intersection of each straight line section of the tooth-shaped surface of the driving roller II is a corner cleaning part, and the maximum transition fillet is less than or equal to 0.15.

The tooth-shaped structure of the forming groove of the driving roller II ensures that the forming groove teeth are centrosymmetric, and the accumulated error of the central position does not exceed 0.02 mm.

And the intersection of each straight line section of the tooth-shaped surface of the driven roller I is a chamfer, and the maximum transition fillet is less than or equal to 0.15.

The tooth-shaped structure of the forming groove of the driven roller I ensures that the forming groove teeth are centrosymmetric, and the accumulated error of the central position does not exceed 0.02 mm.

The invention has the beneficial effects that:

the compression roller has a simple structure, the manufacturing cost is reduced, the tooth height of the manufactured corrugated groove filter tip is 0.4-0.5 mm, the profile of the formed groove is clear and uniform, a uniform air layer can be formed between the corrugated paper and the tows and between the corrugated paper and the outer layer cigarette paper, so that the amount of air penetrating into the tows can be greatly increased, the air and the smoke in the filter tip are uniformly mixed, the concentration of the smoke is reduced, and the tar reduction effect is effectively improved.

Drawings

FIG. 1 is a schematic view of the engagement state of the driving roller and the driven roller of the present invention;

FIG. 2 is an enlarged view of the engagement state of the driving roller and the driven roller of the present invention;

FIG. 3 is a schematic view of the tooth profile of the drive roll of the present invention;

FIG. 4 is a schematic axial cross-sectional view of a drive roll of the present invention;

FIG. 5 is a front view of the drive roll of the present invention;

FIG. 6 is a schematic view of a tooth form of a driven roller according to the present invention;

FIG. 7 is a schematic axial cross-sectional view of a driven roller according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, 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.

As shown in fig. 1-7, a tooth structure of a groove (corrugated) paper forming press roll for cigarettes comprises a driving roll II and a driven roll I which are meshed with each other, wherein the driving roll II consists of a tooth structure of six equal-part forming grooves with the chord length E evenly distributed on the circumference of the roll, a positioning shaft hole and a key groove; the included angle gamma 1 of the groove teeth formed by the driving roller II is 15 degrees, the formed top width a1 is 0.415-0.435 mm, the tooth bottom width b1 is 0.59mm, the pitch c1 between adjacent teeth is 1.18-1.20 mm, and the tooth height h1 is 0.68 mm; the locating shaft hole phi D1 is a reference shaft hole, and the circular runout of phi D1 is less than or equal to 0.02. The driven roller I comprises a forming groove tooth-shaped structure, a positioning shaft hole and a key groove which are uniformly distributed on the circumference of the roller in the radial direction; the included angle gamma 2 of the forming groove teeth of the driven roller I is 15 degrees, the formed top width a2 is 0.415-0.435 mm, the tooth bottom width b2 is 0.59mm, the pitch between adjacent teeth is c2 and is 1.18-1.20 mm, the tooth height h2 is 0.68mm, and the included angle delta formed at the position where the depth of the outer part of the tooth shape is d is 45 degrees; the positioning shaft hole phi D2 of the driven roller I is a reference shaft hole, and the circular runout of phi D2 is less than or equal to 0.02.

And the intersection of each straight line section of the tooth-shaped surface of the driven roller I is a corner cleaning, and the maximum transition fillet is less than or equal to 0.15.

The tooth height of the corrugated groove filter tip manufactured by mutually meshing the tooth structures of the driving roller II and the driven roller I is 0.4-0.5 mm, the profile of the formed groove is clear and uniform, and a uniform air layer can be formed between the corrugated paper and the tow and between the corrugated paper and the outer layer cigarette paper, so that the amount of air penetrating into the tow can be greatly increased, the air and the smoke in the filter tip are uniformly mixed, the concentration of the smoke is reduced, and the tar reduction effect is effectively improved.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a tooth structure of slot (flute) paper shaping compression roller for cigarette which characterized in that: the roller comprises a driving roller II and a driven roller I which are mutually meshed, wherein the driving roller II consists of a tooth-shaped structure of six equal-part forming grooves with the chord length E evenly distributed on the circumference of a roller, a positioning shaft hole and a key groove; the included angle of the forming groove teeth of the driving roller II is gamma 1 and is 15 degrees, the formed top width a1 is 0.415-0.435 mm, the tooth bottom width b1 is 0.59mm, the pitch c1 between adjacent teeth is 1.18-1.20 mm, and the tooth height h1 is 0.68 mm; the driven roller I comprises a forming groove tooth-shaped structure, a positioning shaft hole and a key groove which are uniformly distributed on the circumference of the roller in the radial direction; the included angle gamma 2 of the forming groove teeth of the driven roller I is 15 degrees, the formed top width a2 is 0.415-0.435 mm, the tooth bottom width b2 is 0.59mm, the pitch between adjacent teeth is c2 and is 1.18-1.20 mm, the tooth height h2 is 0.68mm, and the included angle delta formed at the position where the depth of the outer part of the tooth is d is 45 degrees.

2. The tooth structure of a groove (flute) paper forming press roll for cigarettes according to claim 1, wherein: and the intersection of each straight line section of the tooth-shaped surface of the driving roller II is a corner cleaning part, and the maximum transition fillet is less than or equal to 0.15.

3. The tooth structure of a groove (flute) paper forming press roll for cigarettes according to claim 1, wherein: the tooth-shaped structure of the forming groove of the driving roller II ensures that the forming groove teeth are centrosymmetric, and the accumulated error of the central position does not exceed 0.02 mm.

4. The tooth structure of a groove (flute) paper forming press roll for cigarettes according to claim 1, wherein: and the intersection of each straight line section of the tooth-shaped surface of the driven roller I is a corner cleaning, and the maximum transition fillet is less than or equal to 0.15.

5. The tooth structure of a groove (flute) paper forming press roll for cigarettes according to claim 1, wherein: the tooth-shaped structure of the forming groove of the driven roller I ensures that the forming groove teeth are centrosymmetric, and the accumulated error of the central position does not exceed 0.02 mm.