CN211074316U

CN211074316U - A granulation sieving mechanism for macromolecular material

Info

Publication number: CN211074316U
Application number: CN201921521677.4U
Authority: CN
Inventors: 汪理文; 翁永华; 陈�胜; 董超; 李翁均
Original assignee: Suzhou Runjia Polymer Materials Co ltd
Current assignee: Suzhou Runjia Polymer Materials Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-24
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a granulating and screening device for high polymer materials, which is provided with a material extruding device, a cooling device and a granulating device in sequence according to the material conveying direction, a drying device is also arranged between the cooling device and the granulating device, a vibration material distributing disc for screening materials is arranged behind the drying device, and a filter screen grid for screening the materials is arranged on the vibration material distributing disc; at least one group of material conveying rotating shafts and at least one group of granulating rotors are arranged in the granulating device. The utility model provides a granulation sieving mechanism for macromolecular material can carry out drying process to the product after the cooling to the product to cutting granulation screens the stage filtration.

Description

A granulation sieving mechanism for macromolecular material

Technical Field

The utility model relates to a macromolecular material's production and processing field mainly relates to a production prilling granulator of polymer product, concretely relates to granulation sieving mechanism for macromolecular material.

Background

In the prior art, the chinese patent "a cold-cutting granulating device for PVC cable material processing (patent application No. CN 201820930494.7)" discloses a cold-cutting granulating device for PVC cable material processing, which comprises a conical twin-screw extruder, a single-screw extruder, a cooling water tank and a granulator; the machine barrel of the conical double-screw extruder is provided with a first feeding device and a second feeding device, the machine barrel of the single-screw extruder is provided with a third feeding device, a discharge head of the conical double-screw extruder is connected with the third feeding device through a connecting pipe, the other side of the single-screw extruder is sequentially provided with a cooling water tank and a granulator, the cooling water tank is divided into four compartments by partition plates, and the water temperature in the four compartments is gradually reduced.

In the prior art, an extruder melts raw materials and then extrudes the molten raw materials to form a formed product, the formed product is cooled by cooling water and then is conveyed into a granulating device to be cut to form a finished product. However, the water-cooled product is contaminated with water vapor, and the water-cooled product is granulated, so that the particles are easily adhered to influence the quality of the product, and the granulated product cannot be screened and filtered.

Therefore, it is necessary to develop a polymer material granulation screening apparatus having a drying function, which can dry a cooled product and screen and filter the cut and granulated product.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a macromolecular material granulation sieving mechanism with drying function, can carry out drying process to the product after the cooling to filter the product of cutting granulation.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a granulating and screening device for high polymer materials is sequentially provided with a material extruding device, a cooling device and a granulating device according to a material conveying direction, wherein a drying device is arranged between the cooling device and the granulating device, a vibration material distribution disc for screening materials is arranged behind the drying device, and a filter screen grid for screening materials is arranged on the vibration material distribution disc; at least one group of material conveying rotating shafts and at least one group of granulating rotors are arranged in the granulating device.

In a preferred embodiment of the present invention, the filter grid comprises a filter grid obliquely disposed on the vibration distribution plate, and the filter grid comprises at least two layers of filter screens with different apertures.

In a preferred embodiment of the present invention, the rotary rod is provided with a plurality of annular guide grooves.

In a preferred embodiment of the present invention, the filter grid comprises a large-aperture filter screen and a small-aperture filter screen disposed below the large-aperture filter screen; and the guide plates are connected corresponding to the large-aperture filter screen and the small-aperture filter screen.

In a preferred embodiment of the present invention, the drying device includes a drying chamber and a fan corresponding to the drying chamber.

In a preferred embodiment of the present invention, a plurality of rotating rods pivotally connected to the drying device are disposed in the drying chamber.

In a preferred embodiment of the present invention, the granulating device comprises a granulating bin; the material conveying rotating shaft and the granulating rotor are pivotally connected in the granulating bin; the group of granulation rotors comprises two rotors with grinding tooth grooves which are pivotally connected to the granulation device; the granulation rotor is driven to rotate by a driving motor.

The utility model provides a defect that exists among the background art, the beneficial effects of the utility model are as follows:

the utility model relates to a macromolecular material granulation sieving mechanism with drying function can carry out drying process to the product after the cooling to the product to the cutting granulation is filtered. Drying the product before granulation by a fan in the drying device, and screening and sorting the granulated product by a multi-layer filter screen grid.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a granulating device and a vibrating material distribution plate in the preferred embodiment of the invention;

in the figure: 1-extruding device, 2-cooling device, 21-rotating rod, 211-guide groove, 22-cooling liquid, 3-drying device, 31-drying cavity, 32-fan, 4-granulating device, 41-granulating bin, 42-granulating rotating rod, 43-material conveying rotating shaft, 44-driving motor, 5-vibration material distribution disc, 51-filter screen grid, 52-receiving device, 53-material guide plate and 6-strip-shaped material.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.

As shown in fig. 1 and 2, the utility model discloses a granulation sieving mechanism for high molecular material has set gradually crowded material device 1, cooling device 2, drying device 3, prilling granulator 4 and is used for screening the vibrations of material and divides charging tray 5 according to process direction of transfer.

Specifically, the discharge port of the extruding device 1 corresponds to the cooling device 2. A containing cavity for containing cooling liquid 22 is arranged in the cooling device 2, and a rotating stick 21 is arranged above or in the containing cavity; a drying device 3 corresponding to the cooling device 2 is provided behind the cooling device 2.

Specifically, the drying device 3 includes a drying chamber 31 and a fan 32 located below the drying chamber 31, and an air outlet of the fan 32 is communicated with the drying chamber 31. A plurality of rotating rollers 21 which are pivotally connected to the drying device 3 are arranged in the drying chamber 31. A granulating device 4 for cutting and granulating the cooled material is connected behind the drying device 3.

Specifically, the granulation apparatus 4 includes a granulation bin 41; the material conveying rotating shaft 43 and the granulation rotor 42 are pivotally connected in the granulation cabin 41, and the bottom of the granulation cabin 41 is provided with an inclined guide plate 53; a group of conveying rotating shafts 43 for clamping the cooled strip-shaped materials 6 and a group of granulating rotors 42 are arranged in a granulating bin 41 of the granulating device 4. The group of granulation rotors 42 comprises two rotors with grinding teeth pivotally connected to the granulation device 4; the granulation rotor 42 is driven in rotation by a drive motor 44. The granulation rotor 42 is a pair of toothed rolls, and is engaged with each other by a pair of toothed grinding rolls to granulate, and the strip-shaped material 6 is intermittently passed through the pair of toothed grinding rolls to extrude the granules by engagement with each other through the toothed grinding grooves of the granulation rotor 42.

Specifically, the vibrating material distribution disc 5 is correspondingly arranged at the tail end of the material guide plate 53 obliquely arranged on the granulating device 4; the vibrating material distribution disc 5 comprises an inclined filter screen grid 51 which is butted with the granulating device 4 and used for screening materials; the vibration material distribution disc 5 comprises a support frame and a vibration structure arranged on the support frame, and a filter screen grid 51 is arranged on the vibration structure. The structure that shakes the charging tray among the prior art is adopted to vibrations structure, for example, vibrations structure is including setting up the reed on the support frame, supports filter screen bars 51 on the reed, is provided with the electro-magnet that corresponds with the reed on the support frame, and the electro-magnet sets up with the reed interval, and the opposite side of reed is through restoring to the throne elastic component and leg joint. The electromagnet is provided with a pulse signal, so that the filter screen 51 performs cyclic reciprocating vibration under the action of the vibration structure. The specific mounting structure of the vibration structure is the mounting structure in the prior art, and is not described in detail herein.

Further, the filter screen 51 comprises a filter screen 51 obliquely arranged on the vibration material distribution disc 5, and the filter screen 51 comprises two layers of large-aperture filter screens with different apertures and a small-aperture filter screen arranged below the large-aperture filter screen; the corresponding large-aperture filter screen and the small-aperture filter screen are connected with a material guide plate 53. The rotary rod 21 is provided with a plurality of annular guide grooves 211.

The utility model discloses a theory of operation:

the melted materials are extruded and formed through the extruding device 1, the extruded materials are formed into strips and pass through the cooling device 2, the strip materials are supported through a rotating rod 21 which is arranged in the cooling device 2 and is pivotally connected to the cooling device 2, and the strip materials are cooled through cooling liquid 22 in the cooling device 2. Then, the drying device 3 is penetrated through, passes through a drying cavity 31 in the drying device 3, is supported by a rotating rod 21 in the drying cavity 31, and is dried by a fan 32 communicated with the bottom of the drying cavity 31. The strip-shaped materials 6 after air-drying treatment are arranged in a pair of material conveying rotating shafts 43 and a group of meshed granulating rotors 42 in the granulating device 4 in a penetrating way, and the strip-shaped materials 6 are granulated and ground through the group of meshed granulating rotors 42; the materials fall onto an inclined material guide plate 53 of the granulating bin 41 and then fall into the multi-layer filter screen grids 51 of the vibration material distribution disc 5 along the material guide plate 53, the small materials penetrate through the filter screen with the large aperture, and the medium materials stay on the filter screen with the small aperture and fall into the qualified product storage device 52 along the material guide plate 53 connected with the tail part of the filter screen with the small aperture. Small materials penetrate through the filter screen with a small aperture. The oversize materials are separated on a large-aperture filter screen, and graded materials are led out along the vibration of the vibration structure.

In light of the above, it is intended that the present invention cover modifications and variations of this invention provided they fall within the scope of the following claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a granulation sieving mechanism for macromolecular material has set gradually crowded material device (1), cooling device (2), prilling granulator (4) according to material direction of transfer, its characterized in that: a drying device (3) is arranged between the cooling device (2) and the granulating device (4), a vibration material distribution disc (5) for screening materials is arranged behind the drying device (3), and a filter screen grid (51) for screening materials is arranged on the vibration material distribution disc (5); at least one group of material conveying rotating shafts (43) and at least one group of granulating rotors (42) are arranged in the granulating device (4).

2. A granulating and screening apparatus for polymer materials as set forth in claim 1, wherein: the filter screen grids (51) comprise filter screen grids (51) which are obliquely arranged on the vibration material distribution disc (5), and the filter screen grids (51) comprise at least two layers of filter screens with different apertures.

3. A granulating and screening apparatus for polymer materials as set forth in claim 2, wherein: a containing cavity for containing cooling liquid (22) is arranged in the cooling device (2), and a rotating stick (21) is arranged above or in the containing cavity; the rotary rod (21) is provided with a plurality of annular guide grooves (211).

4. A granulating and screening apparatus for polymer materials as set forth in claim 1, wherein: the filter screen grid (51) comprises a large-aperture filter screen and a small-aperture filter screen arranged below the large-aperture filter screen; the guide plate (53) is connected with the large-aperture filter screen and the small-aperture filter screen correspondingly.

5. A granulating and screening apparatus for polymer materials as set forth in claim 1, wherein: the drying device (3) comprises a drying cavity (31) and a fan (32) corresponding to the drying cavity (31).

6. A granulating and screening apparatus for polymer materials as set forth in claim 5, wherein: a plurality of rotating sticks (21) which are pivotally connected with the drying device (3) are arranged in the drying cavity (31).

7. A granulating and screening apparatus for polymer materials as set forth in claim 1, wherein: the granulation device (4) comprises a granulation bin (41); the material conveying rotating shaft (43) and the granulating rotor (42) are pivotally connected in the granulating bin (41); the group of granulating rotors (42) comprises two rotors with grinding tooth grooves which are pivotally connected to the granulating device (4); the granulation rotor (42) is driven to rotate by a drive motor (44).