CN211359503U - Sheet tobacco screening plant - Google Patents

Abstract

The utility model discloses a tobacco sheet screening device, which comprises a cloth layer and a sorting layer, wherein the cloth layer is positioned above the sorting layer; the cloth layer comprises cloth rollers, the cloth rollers comprise cloth roller shafts and cloth teeth which are uniformly distributed on the cloth roller shafts, the cloth roller shafts of the cloth rollers are parallel, the cloth teeth on adjacent cloth rollers are arranged in a staggered mode, and the distance between every two adjacent cloth roller shafts is more than twice the length of each cloth tooth; the sorting layer comprises material distributing rollers, the material distributing rollers comprise material distributing roller shafts and material distributing teeth which are uniformly distributed on the material distributing roller shafts, the material distributing roller shafts of the material distributing rollers are parallel, the material distributing teeth on the adjacent material distributing rollers are arranged in a staggered mode, and the projection parts of the material distributing teeth on the adjacent material distributing rollers on the plane perpendicular to the material distributing roller shafts are overlapped. The utility model discloses a slice cigarette screening plant is when sieving a large amount of slice cigarettes, and the accumulational problem of slice cigarette is difficult for appearing, and the screening is fast, and is efficient.

Description

Sheet tobacco screening plant

Technical Field

The utility model relates to a tobacco processing field, more specifically relates to a piece cigarette screening plant.

Background

In the tobacco leaf threshing and redrying step, the tobacco leaves are usually screened by a screening machine to distinguish the tobacco leaves with different sizes.

At present, a vibrating screen machine is often adopted to screen the tobacco flakes in the tobacco flake screening process, but in actual production, the tobacco flakes on a screen are easy to accumulate to block meshes due to large processing flow of the tobacco flakes, so that the screening efficiency is seriously influenced.

Therefore, how to provide a device capable of rapidly and efficiently screening the tobacco flakes becomes a technical problem which needs to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but high efficiency carries out the new technical scheme of piece cigarette screening plant that sieves to the piece cigarette.

According to the utility model discloses a first aspect provides a piece cigarette screening plant.

The tobacco sheet screening device comprises a material distribution layer and a sorting layer, wherein the material distribution layer is positioned above the sorting layer; wherein the content of the first and second substances,

the cloth layer comprises cloth rollers, each cloth roller comprises a cloth roller shaft and cloth teeth which are uniformly distributed on the cloth roller shafts, the cloth roller shafts of the cloth rollers are parallel, the cloth teeth on the adjacent cloth rollers are arranged in a staggered mode, and the distance between the adjacent cloth roller shafts is more than twice the length of each cloth tooth;

the sorting layer comprises sorting rollers, each sorting roller comprises a sorting roller shaft and sorting teeth which are uniformly distributed on the sorting roller shafts, the sorting roller shafts of the sorting rollers are parallel, the sorting teeth on the adjacent sorting rollers are arranged in a staggered mode, and the projection parts of the sorting teeth on the adjacent sorting rollers on the plane perpendicular to the sorting roller shafts are overlapped.

Optionally, the feed end of the cloth layer is flush with the starting end of the sorting layer.

Optionally, the length of the cloth layer is smaller than that of the sorting layer.

Optionally, the length of the cloth layer is 1/2-3/4 of the length of the sorting layer.

Optionally, the distance between the distributing roller shafts of the adjacent distributing rollers is 40-60mm, and the distance between the distributing roller shafts of the adjacent distributing rollers is 15-25 mm.

Optionally, the length of the distributing teeth is the same as that of the distributing teeth.

Optionally, the distance between the adjacent distributing roller shafts is three times the length of the distributing teeth.

Optionally, the distance between the distributing teeth and the distributing roller shaft of the adjacent distributing roller is 5-10mm, and the length of the part, where projections of the distributing teeth on the adjacent distributing roller on a plane perpendicular to the distributing roller shaft are overlapped, is 50-70% of the length of the distributing teeth.

Optionally, the distance between the distributing roller shafts of the adjacent distributing rollers is 50mm, and the distance between the distributing roller shafts of the adjacent distributing rollers is 20 mm.

Optionally, the tobacco flake screening device further comprises a small flake collecting box and a large flake collecting box;

the small piece collecting box is positioned below the sorting layer, and the large piece collecting box is positioned on the side edge of the tail end of the sorting layer.

When the sheet tobacco screening device is used for screening, the sheet tobacco is fed from the feeding end of the material distribution layer, and the sheet tobacco is quickly thinned and distributed to evenly fall onto the sorting layer through the rotation of the material distribution roller and the pushing of the material distribution teeth on the material distribution roller shaft. The small-size tobacco flakes directly fall into the sorting layer through gaps between the distributing teeth, and the large-size tobacco flakes enter the sorting layer at the rear section of the distributing layer. Because the interference of blocking and the like of the small-size tobacco flakes by the large-size tobacco flakes is reduced on the sorting layer, the tobacco flakes with different sizes can be smoothly separated on the sorting layer, and the sieve is not easy to block. Through the rotation of the sorting roller of the sorting layer and the pushing of the sorting teeth on the sorting roller shaft, small-size tobacco flakes are screened between the sorting rollers, and large-size tobacco flakes move to the tail end of the sorting layer along the sorting roller, so that the tobacco flakes of different sizes are separated.

The utility model discloses a slice cigarette screening plant is when sieving a large amount of slice cigarettes, and the accumulational problem of slice cigarette is difficult for appearing, and the screening is fast, and is efficient.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Figure 1 is a schematic structural view of an embodiment of a sheet tobacco screening device of the present disclosure.

The figures are labeled as follows:

a material distribution layer-1, a material distribution roller-10, a material distribution roller shaft-101, a material distribution tooth-102, a sorting layer-2, a material distribution roller-20, a material distribution roller shaft-201, a material distribution tooth-202, a small piece collecting box-3 and a large piece collecting box-4.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

As shown in fig. 1, the disclosed tobacco sheet screening device includes a cloth layer 1 and a sorting layer 2. The cloth layer 1 is positioned above the sorting layer 2.

The distribution layer 1 comprises a distribution roller 10. A plurality of distributing rollers 10 are arranged on the distributing layer 1. The distribution roller 10 comprises a distribution roller shaft 101 and distribution teeth 102 evenly distributed on the distribution roller shaft 101. The distributing roller shafts 101 of the distributing rollers 10 are parallel, and the parallel refers to that the central axes of the distributing roller shafts 101 are parallel. The distribution teeth 102 on adjacent distribution rollers 10 are arranged in a staggered manner, and the distance between adjacent distribution roller shafts 101 is greater than twice the length of the distribution teeth 102, so that a certain distance is reserved between the free ends of the distribution teeth 102 on adjacent distribution rollers 10. The above-mentioned interval between the adjacent cloth rollers 101 means the shortest straight distance between the outer surfaces of the adjacent cloth rollers 101.

The sorting layer 2 comprises a distribution roller 20. The distributing roller 20 comprises a distributing roller shaft 201 and distributing teeth 202 uniformly distributed on the distributing roller shaft 201. The distributing roller shafts 201 of the distributing rollers 20 are parallel, and the parallel refers to that the central axes of the distributing roller shafts 201 are parallel. The distributing teeth 202 on the adjacent distributing rollers 20 are staggered, and the projections of the distributing teeth 202 on the adjacent distributing rollers 20 on a plane perpendicular to the distributing roller shaft 201 are partially overlapped.

When the sheet tobacco screening device is used for screening, the sheet tobacco is fed from the feeding end of the material distribution layer 1, and the stacked sheet tobacco is quickly thinned and distributed to uniformly fall onto the sorting layer 2 through the rotation of the material distribution roller 10 and the pushing of the material distribution teeth 102 on the material distribution roller shaft 101. The small-size tobacco flakes directly fall into the sorting layer 2 through gaps among the distributing teeth 102, and the large-size tobacco flakes enter the sorting layer 2 at the rear section of the distributing layer 1. Because the interference of blocking and the like of the small-size tobacco flakes by the large-size tobacco flakes is reduced on the sorting layer 2, the tobacco flakes with different sizes can be smoothly separated on the sorting layer 2, and the sieve is not easy to block. By the rotation of the material distributing roller 20 of the sorting layer 2 and the pushing of the material distributing teeth 202 on the material distributing roller shaft 201, small-size sheet tobacco is screened between the material distributing rollers 20, and large-size sheet tobacco moves to the tail end of the sorting layer 2 along the material distributing rollers 20, so that different-size sheet tobacco is distinguished.

The utility model discloses a slice cigarette screening plant is when sieving a large amount of slice cigarettes, and the accumulational problem of slice cigarette is difficult for appearing, and the screening is fast, and is efficient.

In an embodiment of the disclosed tobacco sheet screening device, in order to improve the screening effect, the feed end of the cloth layer 1 is flush with the starting end of the sorting layer 2. The starting end of the sorting layer 2 refers to the end of the sorting layer 2 which is firstly contacted with the tobacco flakes sieved on the distributing layer 1.

Further, in order to improve the screening effect, the length of the cloth layer 1 is smaller than that of the sorting layer 2.

Furthermore, in order to improve the screening efficiency of the sorting layer 2, the length of the cloth layer 1 is 1/2-3/4 of the length of the sorting layer 2.

In one embodiment of the disclosed tobacco sheet screening device, the distance between the distributing roller shafts 101 of adjacent distributing rollers 10 is 40-60mm, and the distance between the distributing roller shafts 201 of adjacent distributing rollers 20 is 15-25 mm. The distance between the cloth rollers 101 mentioned above means the shortest straight distance between the outer surfaces of the adjacent cloth rollers 101. The distance between the distributing roller shafts 201 refers to the shortest straight distance between the outer surfaces of the adjacent distributing roller shafts 201.

Further, the length of the feed teeth 102 is the same as the length of the feed teeth 202.

Further, in order to effectively separate the tobacco flakes, the distance between the adjacent distributing rollers 101 is three times the length of the distributing teeth 102.

Further, in order to prevent the sorting layer 2 from being jammed, the distance between the distributing teeth 202 and the distributing roller shaft 201 of the adjacent distributing roller 20 is 5-10mm, and the length of the part, where the projections of the distributing teeth 202 on the adjacent distributing roller 20 on the plane perpendicular to the distributing roller shaft 201 are overlapped, is 50-70% of the length of the distributing teeth 202. The distance between the distributing teeth 202 and the distributing roller shaft 201 refers to the shortest straight-line distance between the edge of the distributing layer 202 and the outer surface of the distributing roller shaft 201.

Further, the distance between the distributing roller shafts 101 of the adjacent distributing rollers 10 is 50mm, and the distance between the distributing roller shafts 202 of the adjacent distributing rollers 20 is 20 mm.

In one embodiment of the disclosed tobacco lamina screening device, the tobacco lamina screening device further comprises a small lamina collecting box 3 and a large lamina collecting box 4. A small chip collecting box 3 is located below the sorting layer 2 to collect small-sized tobacco flakes sieved from the sorting layer 2. The large-sized collecting box 4 is located at the side of the end of the sorting layer 2 to collect large-sized tobacco flakes that have not been screened.

Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. The device for screening the tobacco sheets is characterized by comprising a cloth layer and a sorting layer, wherein the cloth layer is positioned above the sorting layer; wherein the content of the first and second substances,

the cloth layer comprises cloth rollers, each cloth roller comprises a cloth roller shaft and cloth teeth which are uniformly distributed on the cloth roller shafts, the cloth roller shafts of the cloth rollers are parallel, the cloth teeth on the adjacent cloth rollers are arranged in a staggered mode, and the distance between the adjacent cloth roller shafts is more than twice the length of each cloth tooth;

the sorting layer comprises sorting rollers, each sorting roller comprises a sorting roller shaft and sorting teeth which are uniformly distributed on the sorting roller shafts, the sorting roller shafts of the sorting rollers are parallel, the sorting teeth on the adjacent sorting rollers are arranged in a staggered mode, and the projection parts of the sorting teeth on the adjacent sorting rollers on the plane perpendicular to the sorting roller shafts are overlapped.

2. A tobacco sheet screening apparatus as claimed in claim 1 wherein the feed end of the bed of cloth is level with the start of the bed.

3. A tobacco sheet screening apparatus as claimed in claim 2 wherein the length of the bed of clothing is less than the length of the sorting layer.

4. A tobacco sheet screening apparatus according to claim 3 wherein the length of the bed of cloth is 1/2-3/4 of the length of the sorting layer.

5. The tobacco sheet screening device of claim 1, wherein the distance between the distributing roller shafts of adjacent distributing rollers is 40-60mm, and the distance between the distributing roller shafts of adjacent distributing rollers is 15-25 mm.

6. The tobacco sheet screening apparatus of claim 5, wherein the distribution teeth and the distribution teeth are the same length.

7. A tobacco sheet screening apparatus according to claim 5, wherein the spacing between adjacent distribution rollers is three times the length of the distribution teeth.

8. The tobacco sheet screening device according to claim 5, wherein the distance between the distributing teeth and the distributing roller shaft adjacent to the distributing roller is 5-10mm, and the length of the part of the adjacent distributing teeth on the distributing roller, which is overlapped by the projection of the distributing teeth on the plane perpendicular to the distributing roller shaft, is 50-70% of the length of the distributing teeth.

9. The tobacco sheet screening device of claim 5, wherein the distance between the distributing roller shafts of adjacent distributing rollers is 50mm, and the distance between the distributing roller shafts of adjacent distributing rollers is 20 mm.

10. The tobacco lamina screen apparatus of any one of claims 1 to 9, further comprising a small lamina collection box and a large lamina collection box;

the small piece collecting box is positioned below the sorting layer, and the large piece collecting box is positioned on the side edge of the tail end of the sorting layer.

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