CN211363397U - Plastic particle feed hopper for plastic workpiece production - Google Patents

Abstract

The utility model belongs to the technical field of plastic particle processing, in particular to a plastic particle feeding hopper for plastic workpiece production, which comprises a hopper body, a motor and a draught fan, wherein a conical cover is fixed on the upper part of the hopper body, the motor is installed on the conical cover, a heating surface is arranged at the bottom of the hopper body, a plurality of air blowing nozzles which are distributed in a central symmetry way are arranged above the heating surface, a heating wire is arranged in the heating surface, and a discharging groove is arranged at the inner side of the heating surface; be equipped with the heating surface in the bottom of hopper, be equipped with heating wire and blowing nozzle in the heating surface, pump into gas through outside draught fan, and this gas is the combustion gas in the filter cartridge from the hopper top, realizes gaseous circulation, reduces thermal scattering and disappearing, consequently can dry the plastic granules in the hopper through the hot-air of bottom, play the effect of mixing simultaneously, meanwhile, can get rid of tiny granules such as the dust piece in the granule, improve the granule quality.

Description

Plastic particle feed hopper for plastic workpiece production

Technical Field

The utility model belongs to the technical field of plastic granules processing, concretely relates to plastic granules feeder hopper of plastics work piece production usefulness.

Background

With the rapid development of social economy, the application range of plastic particles is wider and wider, the plastic particles have the advantage of preventing dust emission compared with molding powder as a raw material of a plastic product, the plastic particles are safer and healthier to use, and when a plastic part is produced, the plastic can be melted in an extruder and then injection-molded to form a new product.

The hopper of the existing extruder does not have the baking function, and particles such as nylon resin, ABS resin and the like are required to be added as additives during the production of some plastic products, but the resins are easy to absorb moisture, so that the melting effect of equipment on the particles in the extrusion process is poor, and the product forming quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plastic granules feeder hopper of plastic work piece production usefulness to solve the problem that proposes in the above-mentioned background art.

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

a plastic particle feeding hopper for plastic workpiece production comprises a hopper body, a motor and an induced draft fan, wherein a conical cover is fixed on the upper portion of the hopper body, the motor is installed on the conical cover, a heating surface is arranged at the bottom of the hopper body, a plurality of air blowing nozzles which are distributed in a central symmetry manner are arranged above the heating surface, heating wires are arranged in the heating surface, a blanking groove is arranged on the inner side of the heating surface, a rotating shaft extending to the inner portion of the hopper body is arranged at the output end of the motor, a rotating disc, a stirring frame and a packing auger are sequentially arranged on the outer wall of the rotating shaft from top to bottom, a filter box is fixed on the outer wall of the hopper body, a filter bag communicated with the hopper body is arranged in the filter box, a drying agent is placed in the filter box, the input end of the induced draft fan is connected onto the filter box through a return air pipe, and, the annular gas pipe pass through the air duct with the mouth of blowing is connected, the air duct is located the side of heating wire, motor and draught fan all with external power source electric connection.

Preferably, a blocking disc is fixed on the inner wall of the bucket body and located above the rotary disc, and the blocking disc is in an annular plate shape.

Preferably, the blocking disc is provided with a plurality of through holes penetrating through the upper end face and the lower end face of the blocking disc.

Preferably, the stirring frame is positioned above the heating surface, and the packing auger is positioned on the inner side of the blanking groove.

Preferably, a feeding cover is arranged above the bucket body and is hinged with the bucket body.

Preferably, one side of the filter box is detachably connected with a cover plate, and the cover plate is connected with the filter box in a sealing manner.

Preferably, the opening side inner edge of the filter box is provided with an inwards concave sealing groove, the cover plate is provided with a protruding part matched with the sealing groove, four corners of the cover plate are further provided with bolts, and the filter box is further provided with screw holes matched with the bolts.

Preferably, the filter bag is detachably connected to the inside of the filter cassette.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be equipped with the heating surface in the bottom of hopper, be equipped with the heating wire in the heating surface to be equipped with the mouth of blowing, go into gas through outside draught fan pump, and this gas is the combustion gas in the filter cartridge from the hopper top, realize gaseous circulation, reduce thermal scattering and disappearing, consequently can dry the plastic granules in the hopper through the hot-air of bottom, play the effect of mixing simultaneously, meanwhile, can get rid of tiny granules such as the dust piece in the granule, improve the particle quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic structural view of the middle cover plate of the present invention;

fig. 3 is a schematic structural view of the middle baffle disc of the present invention;

fig. 4 is a schematic structural view of the heating surface of the present invention.

In the figure:

1-a bucket body; 101-feeding trough;

11-a cone-shaped cover; 111-feeding cover;

12-a catch tray; 121-a through hole;

13-heating surface; 131-an air blowing nozzle; 132-heating wire;

2, a motor; 21-a rotating shaft; 22-a turntable; 23-a stirring frame; 24-a packing auger;

3-a filter cartridge; 301-screw holes; 302-a seal groove;

31-a filter bag;

32-a cover plate; 321-a bolt;

33-a projection;

4-a draught fan; 41-return air pipe; 42-annular gas transmission pipe; 421-airway tube.

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. 1-4, the present invention provides the following technical solutions: a plastic particle feeding hopper for producing plastic workpieces comprises a hopper body 1, a motor 2 and an induced draft fan 4, wherein a conical cover 11 is fixed on the upper part of the hopper body 1, the motor 2 is installed on the conical cover 11, a heating surface 13 is arranged at the bottom of the hopper body 1, a plurality of air blowing nozzles 131 which are distributed in a central symmetry manner are arranged above the heating surface 13, heating wires 132 are arranged inside the heating surface 13, a blanking groove 101 is arranged on the inner side of the heating surface 13, a rotating shaft 21 extending into the hopper body 1 is arranged at the output end of the motor 2, a rotating disc 22, a stirring frame 23 and a packing auger 24 are sequentially arranged on the outer wall of the rotating shaft 21 from top to bottom, a filter box 3 is fixed on the outer wall of the hopper body 1, a filter bag 31 communicated with the hopper body 1 is arranged in the filter box 3, a drying agent is arranged in the filter box 3, the input end of the induced draft fan 4 is connected, the annular air delivery pipe 42 is connected with the air blowing nozzle 131 through an air duct 421, the air duct 421 is located beside the heating wire 132, and the heating wire 132, the motor 2 and the induced draft fan 4 are all electrically connected with an external power supply.

In this embodiment, the electric heating wire 132 and the induced draft fan 4 are connected to a power supply, the feeding cover 111 on the cone cover 11 is opened, a certain amount of raw material particles are added into the bucket body 1, the cone cover 11 is closed, the induced draft fan 4 pumps air into the air guide pipe 421 through the annular air pipe 42, the air guide pipe 421 passes through one side of the electric heating wire 132, air in the air guide pipe 421 is heated through heat transfer, hot air is ejected through the blowing nozzle 131 to purge plastic particles, moisture in the plastic particles is removed, meanwhile, the heating surface 13 also plays a role in heating and drying the plastic particles, the hot air moves upwards to drive water vapor to move towards the filter box 3 and pass through the filter bag 31 in the filter box 3, fine particles such as dust in the plastic particles are filtered, the filter bag 31 is a cloth bag, the water vapor is absorbed by a drying agent in the filter box 3, and then returns to the induced draft fan 4 through the return pipe 41, after the plastic granules are dried for a certain time, the power supply of the electric heating wire 132 and the power supply of the induced draft fan 4 are disconnected, the power supply of the motor 2 is switched on, and the plastic granules controllably flow out of the blanking groove 101 through the auger 24 and enter the extruder.

Specifically, a baffle disc 12 is fixed on the inner wall of the bucket body 1, the baffle disc 12 is positioned above the rotary disc 22, and the baffle disc 12 is in an annular plate shape and can play a certain guiding role on the thrown particles.

Specifically, the baffle disc 12 is provided with a plurality of through holes 121 penetrating through the upper end surface and the lower end surface of the baffle disc, so that air can flow more smoothly, and the diameter of the through holes 121 is smaller than the size of particles.

Specifically, the stirring frame 23 is positioned above the heating surface 13, the auger 24 is positioned on the inner side of the blanking groove 101, and in the blanking process, the stirring frame 23 can play a certain stirring and mixing role, and the auger 24 can feed materials quantitatively.

Specifically, the feeding cover 111 is arranged above the bucket body 1, the feeding cover 111 is hinged to the bucket body 1, feeding is facilitated through the design that the feeding cover 111 is turned over and covers the bucket body, and a rubber pad is arranged on the inner side of the feeding cover 111 to guarantee certain sealing performance.

Specifically, one side of the filter box 3 can be detachably connected with a cover plate 32, the cover plate 32 is connected with the filter box 3 in a sealing manner, the inner edge of the opening side of the filter box 3 is provided with an inwards concave sealing groove 302, the cover plate 32 is provided with a protruding part 33 matched with the sealing groove 302, four corners of the cover plate 32 are further provided with bolts 321, the filter box 3 is further provided with screw holes 301 matched with the bolts 321, in order to ensure the sealing performance of the filter box 3, the protruding part 33 on the cover plate 32 is made of rubber, and is attached to the sealing groove 302 to form a sealing structure, the cover plate 32 can be tightly covered by the bolts 321 to ensure the sealing reliability, the cover plate 32 is conveniently opened, the inside drying agent is replaced, and the drying agent can be.

Specifically, filter bag 31 detachable connects in the inside of filter cartridge 3, has a closed tube between filter cartridge 3 and the bucket body 1, and filter bag 31 ties up on the pipe wall through the bandage, conveniently dismantles the change.

The utility model discloses a theory of operation and use flow: the electric heating wire 132 and the induced draft fan 4 are connected with a power supply, the feeding cover 111 on the conical cover 11 is opened, a certain amount of raw material particles are added into the bucket body 1, the conical cover 11 is closed, the induced draft fan 4 pumps air into the air guide pipe 421 through the annular air conveying pipe 42, the air guide pipe 421 penetrates through one side of the electric heating wire 132, air in the air guide pipe 421 is heated through heat transfer, hot air is sprayed out through the air blowing nozzle 131, plastic particles are blown and swept to remove moisture in the plastic particles, meanwhile, the heating surface 13 also plays a role in heating and drying the plastic particles, the hot air moves upwards to drive water vapor to move towards the direction of the filter box 3, the water vapor penetrates through the filter bag 31 in the filter box 3 to filter fine particles such as dust in the plastic particles, the filter bag 31 is a cloth bag, the water vapor is absorbed by a drying agent in the filter box 3, and then returns to the, after the plastic granules are dried for a certain time, the power supply of the electric heating wire 132 and the power supply of the induced draft fan 4 are disconnected, the power supply of the motor 2 is switched on, and the plastic granules controllably flow out of the blanking groove 101 through the auger 24 and enter the extruder.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a plastic granules feeder hopper of plastic work piece production usefulness, includes bucket body (1), motor (2) and draught fan (4), its characterized in that: the improved bucket is characterized in that a conical cover (11) is fixed to the upper portion of the bucket body (1), the motor (2) is installed on the conical cover (11), a heating surface (13) is arranged at the bottom of the bucket body (1), a plurality of air blowing nozzles (131) which are distributed in a central symmetry mode are arranged above the heating surface (13), heating wires (132) are arranged inside the heating surface (13), a lower trough (101) is arranged on the inner side of the heating surface (13), a rotating shaft (21) extending to the inner portion of the bucket body (1) is arranged at the output end of the motor (2), a rotating disc (22), a stirring frame (23) and a packing auger (24) are sequentially arranged on the outer wall of the rotating shaft (21) from top to bottom, a filter box (3) is fixed to the outer wall of the bucket body (1), a filter bag (31) communicated with the bucket body (1) is arranged in the filter box (3), and a drying agent is placed in the filter, the input of draught fan (4) is passed through return air pipe (41) and is connected on filter cartridge (3), the output of draught fan (4) is connected with annular gas-supply pipe (42), annular gas-supply pipe (42) through air duct (421) with blowing nozzle (131) are connected, air duct (421) are located the side of heating wire (132), all with external power source electric connection heating wire (132), motor (2) and draught fan (4).

2. The plastic pellet feed hopper for plastic work piece production as claimed in claim 1, wherein: the inner wall of the bucket body (1) is fixed with a baffle disc (12), the baffle disc (12) is located above the rotary disc (22), and the baffle disc (12) is in an annular plate shape.

3. The plastic pellet feed hopper for plastic work piece production as claimed in claim 2, wherein: the baffle disc (12) is provided with a plurality of through holes (121) which run through the upper end surface and the lower end surface of the baffle disc.

4. The plastic pellet feed hopper for plastic work piece production as claimed in claim 1, wherein: the stirring frame (23) is positioned above the heating surface (13), and the packing auger (24) is positioned at the inner side of the blanking groove (101).

5. The plastic pellet feed hopper for plastic work piece production as claimed in claim 1, wherein: a feeding cover (111) is arranged above the bucket body (1), and the feeding cover (111) is hinged to the bucket body (1).

6. The plastic pellet feed hopper for plastic work piece production as claimed in claim 1, wherein: one side of the filter box (3) is detachably connected with a cover plate (32), and the cover plate (32) is connected with the filter box (3) in a sealing manner.

7. The plastic pellet feed hopper for plastic work piece production as claimed in claim 6, wherein: the opening side of filter box (3) is interior along being equipped with seal groove (302) of indent, be equipped with on apron (32) with seal groove (302) complex bulge (33), the four corners of apron (32) still is equipped with bolt (321), filter box (3) go up still be equipped with bolt (321) complex screw (301).

8. The plastic pellet feed hopper for plastic work piece production as claimed in claim 1, wherein: the filter bag (31) is detachably connected to the inside of the filter box (3).

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