CN216996202U

CN216996202U - Tensioning structure for cigarette mass flow output conveyor belt of cigarette making and tipping unit

Info

Publication number: CN216996202U
Application number: CN202220824665.4U
Authority: CN
Inventors: 丰顺敏; 叶林; 陈瑞; 王翔; 吴传生
Original assignee: China Tobacco Shaanxi Industrial Co Ltd
Current assignee: China Tobacco Shaanxi Industrial Co Ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-19
Anticipated expiration: 2032-04-11

Abstract

The tensioning structure for the cigarette large-flow output conveyor belt of the cigarette rolling and connecting unit is provided, the end part of a tensioning wheel shaft is fixed on a tensioning wheel seat, the tensioning wheel is rotatably arranged on the tensioning wheel shaft and is in contact with the inner bottom surface of the cigarette large-flow output conveyor belt, the tensioning wheel seat is arranged on a rack wallboard of the rolling and connecting unit in a height-adjustable manner, and the tensioning degree of the cigarette large-flow output conveyor belt is adjusted by adjusting the height of the tensioning wheel seat; and the tensioning wheel is provided with a conveying belt positioning device for positioning and guiding the conveying direction of the cigarette mass flow output conveying belt. The utility model solves the problem of repeated deviation of the cigarette mass-flow output conveyor belt of the cigarette making and tipping unit by optimizing the tensioning mode of the cigarette mass-flow output conveyor belt, ensures that the tensioning structure has the functions of supporting, tensioning, positioning and guiding the cigarette mass-flow output conveyor belt, ensures the stable operation of the cigarette mass-flow output conveyor belt in the middle, ensures the orderly output of the cigarettes, avoids the breakage of the cigarettes and the blockage of the conveyor belt, and ensures the cigarette quality and the stable equipment.

Description

Tensioning structure for cigarette mass flow output conveyor belt of cigarette making and tipping unit

Technical Field

The utility model belongs to the technical field of tobacco equipment, and particularly relates to a tensioning structure for a cigarette mass flow output conveyor belt of a cigarette making and tipping unit.

Background

The ZJ118 cigarette large-flow output conveyor belt of the cigarette making and tipping unit is independently driven by a variable frequency motor and is used for receiving the cigarettes output by the cigarette output wheel and stacking and conveying the cigarettes to a downstream machine in order; in order to ensure the regular output of cigarettes, a circle of polyvinyl chloride resin guide strips are bonded on the central line of the inner surface of the large-flow cigarette output conveyor belt to be matched with a driving wheel (a corresponding groove is formed on the central line of the surface of the driving wheel), so that the large-flow cigarette output conveyor belt can run in the middle; in practical production, a large-flow cigarette output conveying belt needs to run at a high speed for a long time, guide strips on the conveying belt are abraded and deformed, the conveying belt is deviated, cigarettes are scratched or the conveying belt is blocked, and product quality and stable running of equipment are affected.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is as follows: the utility model provides a cigarette tensioning structure for large-traffic output conveyer belt of cigarette making and tipping unit, tensioning mode through optimizing the large-traffic output conveyer belt of cigarette, solve the problem that the off tracking appears repeatedly in the large-traffic output conveyer belt of ZJ118 unit cigarette, make tensioning structure to the large-traffic output conveyer belt of cigarette have the support, when the tensioning effect, still have the effect of location and direction, guaranteed the steady operation between two parties of the large-traffic output conveyer belt of cigarette, thereby ensure that the cigarette output is neat, avoid a incomplete breakage of cigarette and conveyer belt jam, cigarette quality and equipment stability have been guaranteed.

The technical scheme adopted by the utility model is as follows: the tensioning structure for the cigarette large-flow output conveyor belt of the cigarette rolling and connecting unit comprises a tensioning wheel shaft, a tensioning wheel and a tensioning wheel seat, wherein the end part of the tensioning wheel shaft is fixed on the tensioning wheel seat, the tensioning wheel is rotatably arranged on the tensioning wheel shaft and is in contact with the inner bottom surface of the cigarette large-flow output conveyor belt, the tensioning wheel seat is arranged on a rack wallboard of the cigarette rolling and connecting unit in a height-adjustable manner, and the tensioning degree of the cigarette large-flow output conveyor belt is adjusted by adjusting the height of the tensioning wheel seat; and the tensioning wheel is provided with a conveying belt positioning device for positioning and guiding the conveying direction of the large-flow cigarette output conveying belt.

The conveyor belt positioning device comprises two conveyor belt positioning blocks which are sleeved and fixed on the tensioning wheel, and the bottom belt of the large-flow cigarette output conveyor belt is positioned on the two conveyor belt positioning blocks.

Furthermore, the conveyor belt positioning block is an annular retainer ring, two screw holes located on the same radial center line are formed in the outer circumferential wall of the annular retainer ring, and the annular retainer ring is fixed on the tensioning wheel through jackscrews matched in the screw holes.

Furthermore, the tensioning wheel seat is of a step-shaped cuboid structure with a thin lower half section and a thick upper half section, a threaded hole is formed in the lower end face of the tensioning wheel seat, and external threads arranged on the outer circumferential wall of the shaft head at the left end of the tensioning wheel shaft are in adaptive connection with the threaded hole, so that the tensioning wheel seat and the tensioning wheel shaft form an integrated structure.

Furthermore, tensioning wheel seat up end system has waist type slot hole, the tensioning wheel seat is fixed in on the frame wallboard of cigarette making machine group through the screw height-adjustable with waist type slot hole adaptation to adjust the fixed position of tensioning wheel seat from top to bottom along waist type slot hole length direction, realize the regulation to a large-traffic output conveyer belt rate of tension of cigarette.

Furthermore, the tensioning wheel shaft is of an integrated structure consisting of a shaft head, a regular hexagonal step, a positioning step, a tensioning wheel mounting step, a bearing mounting step and a shaft tail in sequence from left to right, the left end of the tensioning wheel mounting step is fixedly provided with a first bearing with the inner ring left end abutting against the right end face of the positioning step and the outer ring in transition fit with a left step hole at the left end of the tensioning wheel, the bearing mounting step is provided with a second bearing with the outer ring in transition fit with a right step hole at the right end of the tensioning wheel, the tensioning wheel is rotatably mounted on the tensioning wheel mounting step through the first bearing and the second bearing, the left end of the inner ring of the second bearing abuts against the right end face of the tensioning wheel mounting step, and the right end of the inner ring of the second bearing is positioned at the right through a clamp spring adapted in a clamp spring groove at the shaft tail.

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, the tensioning structure is optimized to support and tension the large-flow cigarette output conveyor belt, so that the abrasion compensation effect on the guide strips on the large-flow cigarette output conveyor belt is achieved, and the problem of deviation of the large-flow cigarette output conveyor belt caused by abrasion of the guide strips is solved;

2. according to the technical scheme, the upper and lower positions of the tensioning mechanism of the large-flow cigarette output conveying belt can be freely adjusted by vertically adjusting the height of the tensioning wheel seat, so that the height of the tensioning wheel in contact with the large-flow cigarette output conveying belt can be adjusted, the most appropriate tensioning force can be provided for the large-flow cigarette output conveying belt, and the service life of the conveying belt can be prolonged;

3. according to the technical scheme, the tensioning wheel rotates in the circumferential direction, so that the operation resistance of the large-flow cigarette output conveying belt is reduced, the transmission wrap angle is increased, and the operation efficiency is improved;

4. according to the technical scheme, the conveyor belt positioning block adopts two annular check rings and is fixed on the surface of the tensioning wheel through the jackscrew, so that the conveying direction of the large-flow cigarette output conveyor belt is limited and guided, and the stable operation of the large-flow cigarette output conveyor belt in the middle is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the tensioner axle of the present invention;

FIG. 3 is a front view of the tensioner shoe of the present invention;

FIG. 4 is a right side view of the tensioner shoe of the present invention;

FIG. 5 is a cross-sectional view of a tensioner configuration of the present invention;

FIG. 6 is a schematic view of a belt positioning block 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 fig. 1 to 6 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.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements" does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

The tensioning structure for the cigarette large-flow output conveyor belt of the cigarette making and tipping machine set comprises a tensioning wheel shaft 1, a tensioning wheel 2 and a tensioning wheel seat 3, wherein the end part of the tensioning wheel shaft 1 is fixed on the tensioning wheel seat 3, the tensioning wheel 2 is rotatably arranged on the tensioning wheel shaft 1 and is contacted with the inner bottom surface of the cigarette large-flow output conveyor belt and circumferentially rotates along with the operation of the cigarette large-flow output conveyor belt, the tensioning wheel seat 3 is height-adjustable arranged on a rack wallboard of the cigarette making and tipping machine set, and the tensioning degree of the cigarette large-flow output conveyor belt is adjusted by adjusting the height of the tensioning wheel seat 3; in order to ensure the stable transportation of the cigarette mass flow output conveyor belt in the middle, a conveyor belt positioning device for positioning and guiding the conveying direction of the cigarette mass flow output conveyor belt is specially arranged on the tension wheel 2; in the structure, the tensioning structure is optimized to support and tension the large-flow cigarette output conveyor belt, so that the abrasion compensation effect on the guide strips on the large-flow cigarette output conveyor belt is achieved, and the problem of deviation of the large-flow cigarette output conveyor belt caused by abrasion of the guide strips is solved; the tensioning structure also has the advantages that the conveying direction of the cigarette mass flow output conveying belt is limited and guided, and the cigarette mass flow output conveying belt can stably operate in the middle.

Specifically, the specific structure of the conveyor belt positioning device is as follows: the conveying belt positioning device comprises two conveying belt positioning blocks 4 which are sleeved and fixed on the tensioning wheel 2, and the bottom belt of the large-flow cigarette output conveying belt is positioned on the two conveying belt positioning blocks 4; specifically, the conveyor belt positioning block 4 is an annular retainer ring, two screw holes 4-1 located on the same radial center line are formed in the outer circumferential wall of the annular retainer ring, and the annular retainer ring is fixed on the tension wheel 2 through jackscrews 8 adapted in the screw holes. The structure that the annular check ring is fixed on the tension wheel 2 by the jackscrew 8 is convenient for the annular check ring to be fixed and the position of the annular check ring to be adjusted, wherein the distance between the two annular check rings is the width of the cigarette high-flow conveying belt, so that the conveying belt is guided and limited, and the cigarette high-flow output conveying belt is ensured to run in the middle all the time;

as shown in fig. 3-4, the specific structure of the tensioner base 3 is as follows: the tensioning wheel seat 3 is of a step-shaped cuboid structure with a thin lower half section and a thick upper half section, a threaded hole 3-1 is formed in the lower end face of the tensioning wheel seat 3, and an external thread arranged on the outer circumferential wall of a shaft head 1-1 at the left end of the tensioning wheel shaft 1 is in adaptive connection with the threaded hole 3-1, so that the tensioning wheel seat 3 and the tensioning wheel shaft 1 form an integrated structure; specifically, a waist-shaped long hole 3-2 is formed in the upper end face of the tensioning wheel seat 3, the tensioning wheel seat 3 is fixed on a rack wallboard of a cigarette making and tipping unit in a height-adjustable mode through a screw 9 matched with the waist-shaped long hole 3-2, the fixing position of the tensioning wheel seat 3 is adjusted up and down along the length direction of the waist-shaped long hole 3-2, tensioning degree of a cigarette large-flow output conveyor belt is adjusted, after the tensioning wheel seat 3 is fixed on the rack wallboard, the step face of the tensioning wheel seat 3 is in contact with the rack wallboard, and the plane side faces towards the tensioning wheel shaft 1; in the structure, the upper position and the lower position of the tensioning mechanism of the cigarette mass flow output conveyor belt can be freely adjusted, so that the height of the tensioning wheel 2 contacted with the cigarette mass flow output conveyor belt is adjusted, the most appropriate tensioning force is provided for the cigarette mass flow output conveyor belt, and the service life of the conveyor belt is prolonged;

as shown in fig. 2, the specific structure of the tension pulley shaft 1 is as follows: the tensioning wheel shaft 1 is of an integrated structure consisting of a shaft head 1-1, a regular hexagonal step 1-2, a positioning step 1-3, a tensioning wheel mounting step 1-4, a bearing mounting step 1-5 and a shaft tail 1-6 in sequence from left to right, a first bearing 5 with an inner ring left end abutting against the right end face of the positioning step 1-3 and an outer ring in transition fit with a left step hole 2-1 at the left end of the tensioning wheel 2 is fixed at the left end of the tensioning wheel mounting step 1-4, a second bearing 6 with an outer ring in transition fit with a right step hole 2-2 at the right end of the tensioning wheel 2 is mounted on the bearing mounting step 1-5, the tensioning wheel 2 is rotatably mounted on the tensioning wheel mounting step 1-4 through the first bearing 5 and the second bearing 6, the left end of the inner ring of the second bearing 6 abuts against the right end face of the tensioning wheel mounting step 1-4, the right end of the inner ring of the second bearing 6 is positioned on the right through a clamp spring 7 which is matched in a clamp spring groove of the shaft tail 1-6; in the structure, the first bearing 5 and the second bearing 6 both adopt deep groove ball bearings, wherein the model of the first bearing 5 is DIN 62561901-2Z, and the model of the second bearing 6 is DIN 625607-2Z.

According to the technical scheme, the tensioning wheel 2 rotates circumferentially, so that the operation resistance of a large-flow cigarette output conveying belt is reduced, the transmission wrap angle is increased, and the operation efficiency is improved.

In the structure, other parts mounted on the tensioning wheel shaft 1 are the same as the mounting structure of the existing structure, and are not described herein any more, and meanwhile, the materials of the parts are 45# steel, the modulation hardness is 240-280 HBW, and the quenching treatment hardness is 45 HRC-50 HRC.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Cigarette large-traffic output tension structure for conveyer belt of cigarette making and tipping unit, its characterized in that: the cigarette rolling and connecting machine comprises a tensioning wheel shaft (1), a tensioning wheel (2) and a tensioning wheel seat (3), wherein the end part of the tensioning wheel shaft (1) is fixed on the tensioning wheel seat (3), the tensioning wheel (2) is rotatably arranged on the tensioning wheel shaft (1) and is contacted with the inner bottom surface of a cigarette large-flow output conveyor belt, the tensioning wheel seat (3) is arranged on a rack wallboard of a rolling and connecting unit in a height-adjustable manner, and the tensioning degree of the cigarette large-flow output conveyor belt is adjusted by adjusting the height of the tensioning wheel seat (3); and the tensioning wheel (2) is provided with a conveying belt positioning device for positioning and guiding the conveying direction of the large-flow cigarette output conveying belt.

2. The cigarette large-flow output conveyor belt tensioning structure of the cigarette making and tipping unit according to claim 1, characterized in that: the conveyor belt positioning device comprises two conveyor belt positioning blocks (4) which are sleeved and fixed on the tension wheel (2), and the bottom belt of the cigarette mass flow output conveyor belt is positioned on the two conveyor belt positioning blocks (4).

3. The cigarette large-flow output conveyor belt tensioning structure of the cigarette making and tipping unit according to claim 2, characterized in that: the conveying belt positioning block (4) is an annular check ring, two screw holes (4-1) located on the same radial center line are formed in the outer circumferential wall of the annular check ring, and the annular check ring is fixed on the tensioning wheel (2) through jackscrews (8) matched in the screw holes.

4. The cigarette mass flow output conveyor belt tensioning structure of cigarette making and tipping unit according to claim 1, 2 or 3, characterized in that: the tensioning wheel seat (3) is of a step-shaped cuboid structure with a thin lower half section and a thick upper half section, a threaded hole (3-1) is formed in the lower end face of the tensioning wheel seat (3), and external threads arranged on the outer circumferential wall of the left end shaft head (1-1) of the tensioning wheel shaft (1) are in adaptive connection with the threaded hole (3-1), so that the tensioning wheel seat (3) and the tensioning wheel shaft (1) form an integrated structure.

5. The cigarette large-flow output conveyor belt tensioning structure of the cigarette making and tipping unit according to claim 4, characterized in that: waist type slot hole (3-2) have been made to tensioning wheel seat (3) up end, tensioning wheel seat (3) through with waist type slot hole (3-2) adaptation screw (9) height-adjustable be fixed in on the frame wallboard of cigarette making and tipping unit to along waist type slot hole (3-2) length direction fixed position of adjusting tensioning wheel seat (3) from top to bottom, realize the regulation to a cigarette large-traffic output conveyer belt rate of tension.

6. The cigarette large-flow output conveyor belt tensioning structure of the cigarette making and tipping unit according to claim 5, characterized in that: the tensioning wheel shaft (1) is of an integrated structure consisting of a shaft head (1-1), a regular hexagonal body step (1-2), a positioning step (1-3), a tensioning wheel mounting step (1-4), a bearing mounting step (1-5) and a shaft tail (1-6) which are arranged from left to right in sequence, a first bearing (5) with an inner ring left end abutting against the right end face of the positioning step (1-3) and an outer ring in transition fit with a left step hole (2-1) at the left end of the tensioning wheel (2) is fixed at the left end of the tensioning wheel mounting step (1-4), a second bearing (6) with an outer ring in transition fit with the right step hole (2-2) at the right end of the tensioning wheel (2) is mounted on the bearing mounting step (1-5), and the tensioning wheel (2) is rotatably mounted on the tensioning wheel mounting step (1-4) through the first bearing (5) and the second bearing (6), the left end of the inner ring of the second bearing (6) abuts against the right end face of the tensioning wheel mounting step (1-4), and the right end of the inner ring of the second bearing (6) is positioned on the right through a clamp spring (7) matched with a clamp spring groove of the shaft tail (1-6).