CN212170969U

CN212170969U - A dry screening plant for production of plastics master batch

Info

Publication number: CN212170969U
Application number: CN202020748732.XU
Authority: CN
Inventors: 王银木
Original assignee: Youkuangsu New Material Technology Wuhu Co ltd
Current assignee: Youkuangsu New Material Technology Wuhu Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-18
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a dry screening plant for production of plastics master batch, comprising a base plate, screen frame and vibrating motor, the top at the bottom plate is installed in the screen frame slope, the middle part of screen frame inner chamber is provided with the screen cloth, the crisscross stock guide that is provided with in top of screen cloth, the top of screen frame is provided with the apron, the bottom interval of apron is provided with the heating pipe, the higher one end of apron is provided with the feed inlet, the upper portion of feed inlet is provided with the loading hopper, the middle part of loading hopper is provided with current-limiting mechanism, be provided with first discharge gate on the lateral wall of the lower one end of screen frame, the outside of first discharge gate is provided with first drawing hopper, still be provided with the second discharge gate on the lateral wall of the lower one end on the. The utility model discloses screening effect to plastics master batch among the prior art is poor, can not carry out drying scheduling problem and improve, the utility model has the advantages of improve screening effect, screening and dry go on simultaneously, improve production efficiency.

Description

A dry screening plant for production of plastics master batch

Technical Field

The utility model relates to a plastics master batch processing technology field especially relates to a dry screening plant for plastics master batch production.

Background

The plastic master batch is a plastic processing aid developed in the 80 th of the 20 th century and consists of excessive chemical aids, carrier resin, a dispersing agent and the like. The master batch is a granular material prepared by mixing and milling various required additives, fillers and a small amount of carrier resin in the plastic processing and forming process for convenience in operation, and then carrying out metering, mixing, melting, extruding, granulating and other processing processes by using equipment such as an extruder. The particles prepared can contain some crushed aggregates and powder with smaller particle size, and the crushed aggregates and powder mixed in the particles can seriously reduce the quality of the plastic master batch, so the processed particles need to be screened out to screen out the particles with the composite particle size requirement, and the crushed aggregates and powder are screened out for reprocessing.

In the prior art, when the screening device for producing the plastic master batches is used for screening the plastic master batches, the plastic master batches are often stacked together, so that the screening and drying effects are influenced, scraps and powder mixed in the plastic master batches are not screened cleanly, in addition, the plastic master batches need to be dried after being processed, the moisture in the plastic master batches is removed, and if the moisture in the plastic master batches is not removed, the inherent quality and the appearance quality of a plastic product are seriously influenced. Wherein, the influence on the internal quality of the plastic product is represented by that each performance index of the plastic product is obviously reduced, the internal stress is increased, the plastic product is easy to crack, and the polymer is promoted to hydrolyze and degrade; the influence on the external quality of the plastic product is reflected in yellowing, bubble generation, hair defects, silver wires, stripes and reduction of transparency of the plastic product, the existing screening device cannot dry the plastic master batches, the drying and screening of the plastic master batches are separately carried out, the drying of the plastic master batches is not timely, so that the production efficiency and the quality of the plastic master batches are reduced, and foreign matters easily fall into a screen body during screening.

To above technical problem, the utility model discloses a dry screening plant for production of plastics master batch, the utility model has the advantages of the screening and the drying effect, screening and the drying of improvement plastics master batch go on simultaneously, improve the production efficiency of plastics master batch, improve the quality of plastics master batch, prevent that the foreign matter from falling into.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a dry screening plant for production of plastics master batch to it is poor to plastics master batch screening and dry effect to solve the screening plant that is used for production of plastics master batch among the prior art, can not dry the plastics master batch, the drying and the screening of plastics master batch separately go on, the plastics master batch is dry untimely, thereby has reduced the production efficiency and the quality of plastics master batch, and the foreign matter falls into technical problem such as the screen frame easily during screening, the utility model has the advantages of improve the screening effect of plastics master batch, screen and dry go on simultaneously, improve the production efficiency of plastics master batch, improve the quality of plastics master batch, prevent that the foreign matter from falling into.

The utility model discloses a following technical scheme realizes: the utility model discloses a drying and screening device for plastic master batch production, which comprises a bottom plate, a screen body and a vibration motor, wherein the screen body is obliquely arranged at the top end of the bottom plate, and the vibration motor is fixedly arranged at the bottom end of the screen body; the top end of the bottom plate is provided with an upright post; the bottom end of the screen body is provided with a cushion block corresponding to the position of the upright column, the top end of the upright column is connected with the bottom end of the cushion block through a spring, the middle part of the inner cavity of the screen body is provided with a screen mesh in parallel with the bottom wall of the screen body, the top end of the screen mesh is staggered with a material guide plate, the top end of the screen body is also provided with a cover plate, the bottom part of the cover plate is provided with heating pipes at intervals, the higher end of the cover plate is provided with a feed inlet, the upper part of the feed inlet is provided with a feed hopper, the middle part of the feed hopper is provided with a flow limiting mechanism, the top end of the feed hopper is provided with a turnover cover, the lower end of the screen body and the side wall vertical to the inclination direction of the screen body are provided with a first discharge port, the bottom end of the first discharge port is flush with the, the lateral wall that is provided with first discharge gate on second discharge gate and the screen frame links to each other, and the second discharge gate is located between the diapire of screen frame and the screen cloth to the bottom of second discharge gate flushes with the top of screen frame diapire, and the outside of second discharge gate is provided with the second and draws the hopper, and the diapire that the second drawn the hopper is located the lower part of second discharge gate.

Furthermore, in order to carry out the current-limiting to the plastics master batch, make the more dispersed screen cloth that falls of plastics master batch, current-limiting mechanism includes pivot and current-limiting plate, and the pivot is passed through the bearing and is rotated and install between the lateral wall around the loading hopper, and current-limiting plate is along the direction interval fixed mounting that the pivot extends on the outer wall of pivot.

Furthermore, in order to better limit the flow of the plastic master batches, the number of the flow limiting plates is not less than three.

Further, for better supporting the screen frame, the number of the stand columns is four, and the four stand columns are distributed on the top end of the bottom plate in a rectangular mode.

Furthermore, in order to improve the structural strength of the stand column and better support the screen body, a reinforcing rib is further arranged between the side part of the stand column and the top end of the bottom plate.

Furthermore, in order to enable the plastic master batches to better fall onto the screen, the bottom end of the cover plate is also provided with a material baffle plate which is positioned at the lower part of the feeding hole.

Further, in order to facilitate the movement of the drying and screening device, four corners of the bottom end of the bottom plate are provided with brake universal wheels.

Further, in order to facilitate the pushing of the drying and screening device by workers, a pushing handle is arranged at one end, close to the feeding hopper, of the top of the bottom plate, and an anti-skid sleeve is sleeved at the middle of the pushing handle.

The utility model has the advantages of it is following:

(1) the utility model discloses a set up the current-limiting mechanism in the middle part of loading hopper, stagger at the top of screen cloth and be provided with the stock guide, thus make the more dispersed whereabouts on the screen cloth of plastics master batch, the phenomenon of piling up can not appear, thus has improved screening and dry effect;

(2) the utility model discloses set up the apron at the top of screen frame, be provided with the heating pipe at the bottom interval of apron to carry out the drying to the plastics master batch in the screening, improved the production efficiency and the quality of plastics master batch, the setting of apron can also prevent falling into of foreign matter when the screening.

Drawings

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

FIG. 2 is a top view of a screen;

FIG. 3 is a right side view of the present invention;

fig. 4 is a front view of the present invention.

In the figure: 1. a base plate; 11. a column; 12. braking the universal wheel; 13. a push handle; 111. reinforcing ribs; 131. an anti-slip sleeve; 2. a screen body; 21. cushion blocks; 22. screening a screen; 23. a cover plate; 24. a first discharge port; 25. a second discharge port; 221. a material guide plate; 231. a feed inlet; 232. a striker plate; 3. a vibration motor; 4. a spring; 5. heating a tube; 6. a hopper; 61. a cover is turned; 7. a flow limiting mechanism; 71. a rotating shaft; 72. a restrictor plate; 8. a first material guiding hopper; 9. a second material guiding hopper.

Detailed Description

The following embodiments of the present invention are described in detail, and the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments, and in the description of the present invention, words like "front", "back", etc. indicating directions or positional relationships are only used for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention.

Example 1

Embodiment 1 discloses a drying and screening device for plastic master batch production, which comprises a bottom plate 1, a screen body 2 and a vibration motor 3, wherein the screen body 2 is obliquely arranged at the top end of the bottom plate 1, the vibration motor 3 is fixedly arranged at the bottom end of the screen body 2, and the model of the vibration motor 3 is MVE-1200/3; the top end of the bottom plate 1 is provided with four upright posts 11, the four upright posts 11 are distributed at the top end of the bottom plate 1 in a rectangular shape, and reinforcing ribs 111 are arranged between the side parts of the upright posts 11 and the top end of the bottom plate 1; the bottom end of the screen body 2 corresponds to the upright post 11 and is provided with a cushion block 21, the top end of the upright post 11 is connected with the bottom end of the cushion block 21 through a spring 4, the middle part of the inner cavity of the screen body 2 is provided with a screen 22 in parallel with the bottom wall of the screen body 2, and the screen 22 is provided with a screen hole (not marked in the figure); as shown in fig. 2, the top ends of the screens 22 are staggered with guide plates 221; as shown in fig. 1, a cover plate 23 is further disposed at the top end of the screen body 2, heating pipes 5 are disposed at intervals at the bottom of the cover plate 23, specifically, the heating pipes 5 are fixedly mounted on the rear side wall of the screen body 2 through a bracket (not shown in the figure), a feed inlet 231 is disposed at a higher end of the cover plate 23, a hopper 6 is disposed at an upper portion of the feed inlet 231, a flow limiting mechanism 7 is disposed at a middle portion of the hopper 6, the flow limiting mechanism 7 includes a rotating shaft 71 and flow limiting plates 72, the rotating shaft 71 is rotatably mounted between the front and rear side walls of the hopper 6 through bearings (not shown in the figure), the flow limiting plates 72 are fixedly mounted on the outer wall of the rotating shaft 71 at intervals along the extending direction of the rotating shaft 71, the number of the flow limiting plates 72 is six, a flip cover 61 is disposed at the top end of the hopper 6; as shown in fig. 1 and 3, a first discharge hole 24 is formed in a side wall of a lower end of the screen body 2, which is perpendicular to the inclined direction of the screen body 2, a bottom end of the first discharge hole 24 is flush with a lower end of the screen 22, a first material guiding hopper 8 is arranged outside the first discharge hole 24, and a bottom wall of the first material guiding hopper 8 is located at a lower part of the first discharge hole 24; as shown in fig. 4, a second discharge hole 25 is formed in a side wall of a lower end of the screen body 2 parallel to the inclined direction of the screen body 2, the second discharge hole 25 is connected with the side wall of the screen body 2 provided with the first discharge hole 24, the second discharge hole 25 is located between the bottom wall of the screen body 2 and the screen 22, the bottom end of the second discharge hole 25 is flush with the top of the bottom wall of the screen body 2, a second material guiding hopper 9 is arranged outside the second discharge hole 25, and the bottom wall of the second material guiding hopper 9 is located at the lower part of the second discharge hole 25; as shown in figure 1, four corners of the bottom end of the bottom plate 1 are all provided with brake universal wheels 12, one end of the top of the bottom plate 1 close to the charging hopper is provided with a push handle 13, and the middle part of the push handle 13 is sleeved with an anti-skid sleeve 131.

The working process of the utility model is as follows: when the device works, firstly, the heating pipe 5 is electrified, the heating pipe 5 starts to generate heat, so that the temperature in the inner cavity of the screen body 2 rises, at the moment, the material collecting frames are placed at the bottoms of the first material guiding hopper 8 and the second material guiding hopper 9, then the flip cover 61 is opened, the plastic master batches are added into the feeding hopper 6, fall under the action of gravity, so as to drive the flow limiting plate 72 and the rotating shaft 71 to rotate, so that the master batches fall onto the screen 22 through the feeding hole 231, because the screen 22 is obliquely arranged, and the top end of the screen 22 is also provided with the material guide plates 221 in a staggered manner, the plastic master batches can slide down back and forth on the screen 22 along the material guide plates 221, and in the process of sliding the plastic master batches on the screen 22, crushed aggregates and powder can fall onto the bottom wall of the screen body 2 through the sieve holes on the screen 22 and continue to slide down, and are finally collected through the second material discharging hole 25 and, the plastic master batch that the particle diameter meets the requirements can be at the top of screen cloth 22 landing downwards, collect through first discharge gate 24 and first guide hopper 8 at last, wherein, because the setting of current-limiting mechanism 7 and stock guide 221, the master batch disperses more when falling on screen cloth 22, the phenomenon of piling up can not appear, and at the in-process that the plastic master batch falls along stock guide 221, the heat that heating pipe 5 produced is straight to carry out the drying to the plastic master batch, thereby, the drying and the screening of plastic master batch go on simultaneously, the production efficiency and the quality of plastic master batch have been improved, because the setting of apron 23, can prevent falling into of foreign matter at the in-process of screening.

Claims

1. A drying and screening device for plastic master batch production is characterized by comprising a bottom plate, a screen body and a vibration motor, wherein the screen body is obliquely arranged at the top end of the bottom plate, and the vibration motor is fixedly arranged at the bottom end of the screen body;

the top end of the bottom plate is provided with an upright post;

the bottom of the screen body is provided with a cushion block corresponding to the position of the upright column, the top end of the upright column is connected with the bottom end of the cushion block through a spring, a screen is arranged in the middle of an inner cavity of the screen body and is parallel to the bottom wall of the screen body, guide plates are arranged on the top end of the screen body in a staggered manner, a cover plate is also arranged on the top end of the screen body, heating pipes are arranged at intervals at the bottom of the cover plate and are positioned on the upper part of the screen, a feed inlet is arranged at the higher end of the cover plate, a feed hopper is arranged on the upper part of the feed inlet, a flow limiting mechanism is arranged in the middle of the feed hopper, a flip cover is arranged on the top end of the feed hopper, a first discharge port is arranged at the lower end of the screen body and on the side wall perpendicular to the inclination direction of the, the bottom wall of the first discharge port is located at the lower part of the first discharge port, the lower end of the screen body is provided with a second discharge port on the side wall parallel to the inclined direction of the screen body, the second discharge port is connected with the side wall of the first discharge port on the screen body, the second discharge port is located between the bottom wall of the screen body and the screen mesh, the bottom end of the second discharge port is flush with the top of the bottom wall of the screen body, the second discharge port is arranged outside the second discharge port, and the bottom wall of the second discharge port is located at the lower part of the second discharge port.

2. The drying and screening device for producing the plastic master batches according to claim 1, wherein the flow limiting mechanism comprises a rotating shaft and flow limiting plates, the rotating shaft is rotatably installed between the front side wall and the rear side wall of the loading hopper through bearings, and the flow limiting plates are fixedly installed on the outer wall of the rotating shaft at intervals along the extending direction of the rotating shaft.

3. A drying and screening device for plastic masterbatch production as claimed in claim 2, wherein the number of the restrictor plates is not less than three.

4. The drying and screening device for producing the plastic master batches as claimed in claim 1, wherein the number of the upright columns is four, and the four upright columns are distributed on the top end of the bottom plate in a rectangular shape.

5. The drying and screening device for the production of plastic master batches as claimed in claim 1, wherein a reinforcing rib is further arranged between the side portion of the upright post and the top end of the bottom plate.

6. The drying and screening device for plastic master batch production according to claim 1, wherein a material baffle plate is further arranged at the bottom end of the cover plate and is located at the lower portion of the feeding hole.

7. The drying and screening device for plastic master batch production according to claim 1, wherein four corners of the bottom end of the bottom plate are respectively provided with a brake universal wheel.

8. The drying and screening device for producing the plastic master batches as claimed in claim 7, wherein a push handle is arranged at one end of the top of the bottom plate close to the feeding hopper, and an anti-slip sleeve is sleeved in the middle of the push handle.