CN214207186U - Lower-row chain transmission device of filament cutter - Google Patents

Abstract

A lower row chain transmission device of a filament cutter is characterized in that a driving roller drives a row chain meshed with the driving roller, a radian protection plate and a wear-resistant sand plate are fixed on a frame, and the wear-resistant plate is fixed on the radian protection plate. The driving roller is uniformly provided with a plurality of roller teeth, and a roller tooth space is formed between two adjacent roller teeth; the front end surface of the radian protection plate is provided with a plurality of arc-shaped sawteeth, the number of the arc-shaped sawteeth is the same as the number of the roller tooth intervals of the driving roller, the width of each arc-shaped sawtooth is smaller than the roller tooth interval of the driving roller, and the arc-shaped sawteeth are arranged in the roller tooth intervals in a one-to-one corresponding clearance fit mode; the wear-resisting plate is characterized in that the front end portion of the wear-resisting plate is provided with a plurality of square sawteeth, the number of the square sawteeth is the same as the number of the roller tooth intervals of the driving roller, the width of each square sawtooth is smaller than the roller tooth interval of the driving roller, and the square sawteeth are arranged in the roller tooth intervals of the driving roller in a one-to-one clearance fit mode. When the device is in operation of the chain arrangement, the smoothness of the operation of the chain arrangement is ensured, and the hidden trouble caused by the sinking of the chain arrangement is eliminated.

Description

Lower-row chain transmission device of filament cutter

Technical Field

The utility model relates to a cigarette technical field, concretely relates to chain drive's improvement structure under COMAS-A1 type filament cutter.

Background

The shredding device is one of main devices on a tobacco shredding production line and is used for cutting tobacco raw materials into cut tobaccos or cut stems with widths meeting requirements so as to meet the requirements of subsequent process treatment. The COMAS-A1 type shredder finds a range of applications in the tobacco industry.

The lower row chain transmission device of the COMAS-A1 type shredder mainly has the function of sending tobacco raw materials to a knife gate to be cut by a cutter on a knife roller. As shown in fig. 1 to 4, the operation principle of the lower row chain transmission device of the conventional COMAS-a1 type shredder is as follows: under the action of the motor reducer, the driving roller 1 drives the chain 4 meshed with the driving roller, so that the chain 4 realizes the material transportation function. The wear-resisting plate 3 is arranged below the chain 4 to support the chain 4. Be close to the drive roll 1 end and be equipped with radian backplate 2, the left side head of antifriction plate 3 is adorned on radian backplate 2.

In the structure of the lower row chain transmission device of the traditional COMAS-A1 type shredder, a cavity area 5 is formed among the arc guard plate 2, the wear-resisting plate 3 and the row chain 4. The chain 4 sags in the cavity area 5 during operation, and the sunken chain 4 sections strike the wear plate 3, which may cause deformation and arching of the wear plate 3, thereby causing a larger range of failure.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a chain drive under filament cutter. When the device is in operation of the chain arrangement, the smoothness of the operation of the chain arrangement is ensured, and the hidden trouble caused by the sinking of the chain arrangement is eliminated.

In order to achieve the above object, the utility model provides a following technical scheme:

a lower row chain transmission device of a shredder comprises a driving roller, a radian protection plate, a wear-resistant plate and a row chain; the driving roller drives the chain arrangement meshed with the driving roller, the radian protection plate and the wear-resisting plate are fixed on the rack, and the wear-resisting plate is fixed on the top end surface of the radian protection plate; it is characterized in that, among them,

the driving roller is uniformly provided with a plurality of roller teeth, and a roller tooth space is formed between two adjacent roller teeth;

the front end surface of the radian protection plate is provided with a plurality of arc-shaped sawteeth, the number of the arc-shaped sawteeth is the same as the number of the roller tooth intervals of the driving roller, the width of each arc-shaped sawtooth is smaller than the roller tooth interval of the driving roller, and the arc-shaped sawteeth are arranged in the roller tooth intervals in a one-to-one corresponding clearance fit mode;

the wear-resisting plate is characterized in that the front end portion of the wear-resisting plate is provided with a plurality of square sawteeth, the number of the square sawteeth is the same as the number of the roller tooth intervals of the driving roller, the width of each square sawtooth is smaller than the roller tooth interval of the driving roller, and the square sawteeth are arranged in the roller tooth intervals of the driving roller in a one-to-one clearance fit mode.

According to the lower row chain transmission device of the shredder, the width of the square saw teeth of the wear-resisting plate is larger than or equal to that of the arc saw teeth of the radian protection plate.

According to the lower row chain transmission device of the shredder, the part of each arc-shaped sawtooth extending to the top end face of the arc-shaped protection plate is a square part matched with the square sawtooth shape of the wear-resisting plate, and each square sawtooth is fixed on the square part of each arc-shaped sawtooth in a one-to-one correspondence mode.

The lower row chain transmission device of the shredder is characterized in that the width of the roller tooth space is 50-80 cm.

Compared with the prior art, the utility model discloses technical scheme's useful part lies in:

firstly, the utility model discloses chain drive passes through the gear shaping formula structural design that drive roll, radian backplate, antifriction plate equipment formed under the filament cutter, has eliminated the hole region that exists between prior art radian backplate, antifriction plate and the row chain, when the row chain operation, can pass through three's overlap joint position smoothly, guarantees the smooth and easy degree of row chain operation, eliminates the row chain and sink the trouble hidden danger that causes.

Secondly, the utility model discloses the square sawtooth of antifriction plate is wider in the design of the arc sawtooth of radian backplate, makes things convenient for the chain arrangement to transport the clearance of material in-process blanking.

Thirdly, the utility model discloses chain drive under the filament cutter makes the antifriction plate cover the radian backplate completely in radian backplate, antifriction plate and gang chain linking area, can further eliminate the cavity region that forms between radian backplate, antifriction plate and the gang chain.

Drawings

FIG. 1 is a schematic perspective view of a chain drive in the lower row of a shredder of the prior art;

FIG. 2 is a schematic perspective exploded view of a lower row chain drive of a shredder of the prior art;

FIG. 3 is a schematic view of a chain transmission mechanism of a lower row of a shredder;

FIG. 4 is an enlarged view of the portion A of FIG. 3;

FIG. 5 is a schematic perspective view of the lower chain transmission device of the shredder;

FIG. 6 is a schematic perspective exploded view of the lower chain transmission device of the shredder;

fig. 7 is an enlarged view of a portion B of fig. 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 5 and 7, the lower row chain transmission device of the filament cutter of the present invention includes a driving roller 100, a radian protection plate 200, a wear-resisting plate 300 and a row chain 400.

The driving roller 100 drives the chain arrangement 400 engaged with the driving roller to realize the function of the chain arrangement 400 for transporting materials. The utility model discloses drive roll 100 evenly is equipped with a plurality of teeth 110, has a tooth interval 120 between two adjacent teeth 110, and the width C of this tooth interval 120 is 50-80 cm.

The arc guard 200 is fixed to the frame 500, and the wear plate 300 is fixed to the top end surface of the arc guard 200. The utility model discloses radian backplate 200, preceding terminal surface are provided with a plurality of arc sawtooth 210, and this a plurality of arc sawtooth 210's quantity is the same with the roll teeth interval 120 number of drive roll 100, and every arc sawtooth 210's width is less than the roll teeth interval 120 of drive roll 100, so that every arc sawtooth 210 one-to-one clearance fit forms gear shaping formula structure in putting into every roll teeth interval 120 of this drive roll.

The wear plate 300 is fixed on a frame 500 and disposed below the chain 400 to support the chain 400. The utility model discloses the front end of antifriction plate 300 is equipped with a plurality of square sawtooth 310, the quantity of these a plurality of square sawtooth 310 is the same with the roll teeth interval 120 number of drive roll 100, and the width of every square sawtooth 310 is less than the roll teeth interval 120 of drive roll 100, so that every square sawtooth 310 one-to-one clearance fit puts into every roll teeth interval 120 of this drive roll, form inseparable gear shaping formula structure, in order to eliminate radian backplate 200, the cavity region that forms between antifriction plate 300 and the row chain 400.

Preferably, the width of the square saw teeth 310 of the wear plate 300 is greater than or equal to the width of the arc saw teeth 210 of the arc guard plate 200, so as to facilitate the cleaning of the discharged materials during the material conveying process of the chain 400.

Further, the utility model discloses every arc sawtooth 210 extends to the part of radian backplate 200 top end face 220 is the square portion 211 with the square sawtooth 310 shape assorted of antifriction plate 300 to make every square sawtooth 310 one-to-one fix on the square portion 211 of every arc sawtooth 210, so that this regional antifriction plate 300 covers completely radian backplate 200, in order to further eliminate the cavity region that forms between radian backplate 200, antifriction plate 300 and the chain row 400.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (4)

1. A lower row chain transmission device of a shredder comprises a driving roller (100), a radian protection plate (200), a wear-resisting plate (300) and a row chain (400); the driving roller (100) drives the chain row (400) meshed with the driving roller, the radian protection plate (200) and the wear-resisting plate (300) are fixed on the frame (500), and the wear-resisting plate (300) is fixed on the top end face of the radian protection plate (200); it is characterized in that, among them,

the driving roll (100) is uniformly provided with a plurality of roll teeth (110), and a roll tooth space (120) is formed between two adjacent roll teeth (110);

the front end surface of the radian protection plate (200) is provided with a plurality of arc-shaped sawteeth (210), the number of the arc-shaped sawteeth (210) is the same as that of the roller tooth spacing (120) of the driving roller (100), and the width of each arc-shaped sawteeth (210) is smaller than that of the roller tooth spacing (120) of the driving roller (100), and the arc-shaped sawteeth are arranged in each roller tooth spacing (120) in a one-to-one corresponding clearance fit mode;

the wear-resisting plate (300) is provided with a plurality of square saw teeth (310) at the front end part, the number of the square saw teeth (310) is the same as that of the roll teeth intervals (120) of the driving roll (100), the width of each square saw tooth (310) is smaller than that of the roll teeth intervals (120) of the driving roll (100), and the square saw teeth are arranged in the roll teeth intervals (120) of the driving roll in a one-to-one clearance fit mode.

2. The lower row chain transmission device of the filament cutter as claimed in claim 1, wherein the width of the square saw teeth (310) of the wear plate (300) is greater than or equal to the width of the arc saw teeth (210) of the arc guard plate (200).

3. The lower row chain transmission of the filament cutter as claimed in claim 1 or 2, wherein the portion of each arc-shaped saw tooth (210) extending to the top end surface of the arc guard plate (200) is a square portion (211) matching the shape of the square saw tooth (310) of the wear plate (300), and each square saw tooth (310) is fixed on the square portion (211) of each arc-shaped saw tooth (210) in a one-to-one correspondence.

4. The lower row transmission of a filament cutter as claimed in claim 3, wherein the width of the pitch (120) of the teeth is 50-80 cm.

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