CN219855497U

CN219855497U - High-efficient sieving mechanism of plastic grain

Info

Publication number: CN219855497U
Application number: CN202223585695.3U
Authority: CN
Inventors: 李鹤鹏
Original assignee: Suzhou Corage Plastic Co ltd
Current assignee: Suzhou Corage Plastic Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-10-20
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a plastic grain-cutting efficient screening device, which comprises: the lifting screen cabin is a hollow cabin body of a vertical disc structure, and the breadth of the screen plate is parallel to the tangent line of the lifting screen cabin; the lifting screen cabin comprises a rotating shaft, wherein the back plate is arranged at the central position of the back plate, the rotating shaft is connected with a plurality of screen blades, the screen blades can rotate around the rotating shaft, and large screen holes are formed in the position, close to the rotating shaft, of the back plate; the plastic grain cutting machine comprises a sieve plate, wherein a first sieve hole and a second sieve hole are formed in the sieve plate, the diameter of the first sieve hole is smaller than that of the second sieve hole, the sieve plate is obliquely arranged, the position for forming the first sieve hole is higher than that for forming the second sieve hole, and the plastic grain cutting machine can screen plastic grain cutting according to the size, can distinguish grain cutting and defect grains with normal specification sizes, and is simple in structure and low in equipment cost.

Description

High-efficient sieving mechanism of plastic grain

Technical Field

The utility model relates to plastic particle manufacturing equipment, in particular to a plastic particle high-efficiency screening device.

Background

Plastic products are more common in daily life and industry, and are extruded and molded after being melted mainly by adding plastic particles with corresponding components into an injection molding machine, wherein the plastic particles are produced by extruding plastic strips through the extruder, and then cutting the plastic strips into small particles, however, the actually produced cut particles often have uneven sizes.

The patent CN212072524U provides a grain-cutting screening device, through vibration screening, the big granule that the particle diameter exceeds the mesh of the sieve is left on the upper strata, and the granule that the particle diameter is less than the mesh of the sieve passes the screen cloth and falls to the lower floor to remove big granule screening, however it can only divide into two kinds of the size of predetermineeing the size with the grain-cutting, can't carry out the classification of refining once more, can not satisfy the different size's of customer to the grain demand completely.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the plastic grain-cutting high-efficiency screening device capable of distinguishing larger grains from too small grains.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a plastic grain high-efficiency screening device, comprising: the lifting screen cabin is a hollow cabin body of a vertical disc structure, and the breadth of the screen plate is parallel to the tangent line of the lifting screen cabin; the lifting screen cabin comprises a rotating shaft, wherein the back plate is arranged at the central position of the back plate, the rotating shaft is connected with a plurality of screen blades, the screen blades can rotate around the rotating shaft, and large screen holes are formed in the position, close to the rotating shaft, of the back plate; the sieve plate is provided with a first sieve mesh and a second sieve mesh, the diameter of the first sieve mesh is smaller than that of the second sieve mesh, the sieve plate is obliquely arranged, and the position of the first sieve mesh is higher than that of the second sieve mesh.

In a preferred embodiment of the utility model, the width of the screen blade is consistent with the width of the cabin body of the lifting screen cabin.

In a preferred embodiment of the utility model, the large material sieve holes are communicated with a large storage bin on the back surface.

In a preferred embodiment of the present utility model, the first sieve holes are connected to a small bin at the bottom.

In a preferred embodiment of the present utility model, the second sieve holes are connected to the middle bin at the bottom.

In a preferred embodiment of the utility model, a rubber surface is laid in the lifting screen cabin.

In a preferred embodiment of the utility model, the length of the web of screen blades is smaller than the diameter of the lifting screen compartment.

In a preferred embodiment of the utility model, the end of the sieve plate is provided with a limit baffle.

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

(1) According to the utility model, the sieve leaves in the sieve cabin are lifted, so that the plastic particles slide downwards under the influence of gravity, larger particles such as incompletely cut particles fall into the large bin quickly, normal cut particles or smaller cut particles fall onto the sieve plate after being lifted, and the incompletely cut particles are collected independently through the sieve cabin.

(2) According to the utility model, the screen plates are obliquely arranged, the cut grains sequentially pass through smaller screen holes and then pass through larger screen holes, the cut grains after first screening of the lifting screen cabin can be subjected to secondary screening again, and the excessively small cut grains of the surface tangent line are separated from the normal cut grains.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;

FIG. 1 is a cross-sectional structural view of a preferred embodiment of the present utility model;

FIG. 2 is a front view of a preferred embodiment of the present utility model;

in the figure: 1. lifting the sieve cabin; 11. large material sieve holes; 12. screening leaves; 13. a rotating shaft; 2. a sieve plate; 21. a first screen aperture; 22. a second screen aperture; 23. a limit baffle; 31. a small stock bin; 32. and a middle storage bin.

Detailed Description

The present utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are merely illustrative of the structures to which the utility model relates, and furthermore, in the description of the utility model, references to "an embodiment," "one embodiment," or "other embodiments" indicate that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least some, but not necessarily all, embodiments.

The efficient screening device for plastic pellets shown in fig. 1 and fig. 2 comprises: the lifting screen cabin 1 is connected with the screen plate 2 at the upper part of the lifting screen cabin 1, preferably, the lifting screen cabin 1 is a hollow cabin body with a vertical disc structure, smooth circulation space can be realized, and it is appreciated that the lifting screen cabin 1 can also take other shapes;

in a preferred embodiment, the width of the sieve plate 2 is parallel to the tangent line of the lifting sieve cabin 1, so that plastic granules can smoothly enter the sieve plate 2 from the inside of the lifting sieve cabin 1.

The lifting screen cabin 1 comprises a rotating shaft 13, wherein the back plate is arranged at the central position of the back plate, the rotating shaft 13 is connected with a plurality of screen blades 12, and the screen blades 12 can rotate around the rotating shaft 13, so that any screen blade 12 can scoop up plastic granules from the bottom and move the plastic granules to a high position to enable the plastic granules to fall down or fall into the screen plate 2 directly; the position of the backboard, which is close to the rotating shaft 13, is provided with a large material sieve opening 11, heavier large particles which are not cut completely can fall into the large material sieve opening 11 at first, the large material sieve opening 11 is communicated to a large storage bin at the back, and large-size cut particles can be collected to the large storage bin for re-furnace reshaping or re-cutting;

as shown in fig. 1, the screen plate 2 is provided with the first screen holes 21 and the second screen holes 22, the diameter of the first screen holes 21 is smaller than that of the second screen holes 22, the screen plate 2 is obliquely arranged, and the position of the first screen holes 21 is higher than that of the second screen holes 22, so that the cut grains screened by the lifting screen cabin 1 can pass through the first screen holes 21 and the second screen holes 22 in sequence, small cut grains are collected first, larger cut grains are collected last, and cut grains classified by three sizes are obtained, so that the customer demands are further refined.

In a preferred embodiment, the screen blades 12 are inclined and the pellets can be directed to a large bin with the rotation of the inclined screen blades 12.

Preferably, the length of the width of the screen blade 12 is smaller than the diameter of the lifting screen cabin 1, and further, the linear distance from the rotating shaft 13 to the screen plate 2 is required to be smaller, so that the screen blade 12 does not interfere with the screen plate 2; in other embodiments, the end of the screen blade 12 is made of a flexible material, so that the scratch is reduced, and the length of the screen blade 12 can be lengthened, so that the starting end of the screen plate 2 is covered in the rotation process, the efficiency is improved, and the damage of the scratch to the screen plate 2 is reduced.

Further, the width of the screen blade 12 is consistent with the width of the cabin body of the lifting screen cabin 1, so that the leakage of plastic pellets from the side surface can be reduced, and the effect of the efficiency of lifting screening is avoided.

In some embodiments, the first mesh 21 is connected to a small bin 31 at the bottom, the second mesh 22 is connected to a middle bin 32 at the bottom, and the back plate is provided with a discharge port, so that screening, i.e. collection, is achieved.

In a preferred embodiment, the rubber surface is laid in the lifting screen cabin 1, so that the falling collision damage of the cut particles is reduced, further, in an embodiment, the tail end of the screen plate 2 is provided with a limit baffle 23, and the side surface is also provided with a baffle, so that the waste of the cut particles of plastics is avoided.

Based on the structure, the plastic grain cutting is lifted by lifting the sieve blades 12 in the sieve cabin 1, so that the plastic grain cutting is enabled to slide downwards under the influence of gravity, larger grains such as incomplete grains of the grain cutting can fall into the large bin quickly, normal grains or smaller grains can be cut and lifted to fall onto the sieve plate 2, the incomplete grains of the grain cutting are collected independently by lifting the sieve cabin 1, the sieve plate 2 is obliquely arranged, the grains are cut to pass through smaller sieve holes sequentially and then pass through larger sieve holes, the grains cut after the first screening of the sieve cabin 1 are cut, the second screening is carried out again, and the excessively small grains cut on the surface of the grain cutting are separated from the normal grains.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A plastic grain high-efficiency screening device, comprising: promote sieve cabin and sieve, its characterized in that:

the lifting screen cabin is a hollow cabin body of a vertical disc structure, and the breadth of the screen plate is parallel to the tangent line of the lifting screen cabin;

the lifting screen cabin comprises a back plate and a rotating shaft arranged at the central position of the back plate, a plurality of screen blades are connected to the rotating shaft and can rotate around the rotating shaft, and large screen holes are formed in the position, close to the rotating shaft, of the back plate;

the screen plate is provided with a first screen hole and a second screen hole, the diameter of the first screen hole is smaller than that of the second screen hole, the screen plate is obliquely arranged, and the position for arranging the first screen hole is higher than that for arranging the second screen hole;

the width of the screen blade is consistent with the width of the cabin body of the lifting screen cabin.

2. The efficient plastic pellet screening device according to claim 1, wherein: the big material sieve pores are communicated to a big storage bin on the back.

3. The efficient plastic pellet screening device according to claim 1, wherein: the first sieve pores are communicated to a small storage bin at the bottom.

4. The efficient plastic pellet screening device according to claim 1, wherein: the second sieve pores are communicated to the middle bin at the bottom.

5. The efficient plastic pellet screening device according to claim 1, wherein: and a rubber surface is paved in the lifting screen cabin.

6. The efficient plastic pellet screening device according to claim 1, wherein: the length of the breadth of the sieve leaf is smaller than the diameter of the lifting sieve cabin.

7. The efficient plastic pellet screening device according to claim 1, wherein: and the tail end of the sieve plate is provided with a limit baffle.