CN210651445U - Plastic raw material drying machine - Google Patents

Abstract

The utility model discloses a plastics raw materials desiccator relates to plastics processing technology field, including hopper, air-blower, heater and heating pipe, the air-blower switches on with the hopper through the heating pipe, and the bottom of hopper is equipped with driving motor, and driving motor's output is connected with the rotary rod. The utility model has the advantages that: after putting into the plastic pellet that needs drying in the hopper, plastic pellet can pile up on the second disc, start driving motor, make the rotary rod drive second disc and arc push rod synchronous rotation, make the plastic pellet on the second disc get rid of on falling first disc because centrifugal force, then the plastic pellet on the first disc sweeps on first disc through arc push rod, sweep the plastic pellet on the first disc and collect at first disc center, make in the plastic pellet is poured into the hopper, the plastic pellet transports from top to bottom, can be abundant in the transportation with the hot gas contact in the hopper.

Description

Plastic raw material drying machine

Technical Field

The utility model relates to a plastics processing technology field specifically is a plastics raw materials desiccator.

Background

Plastics are high molecular compounds, commonly called plastics or resins, which are produced by the polymerization of monomers by polyaddition or polycondensation. Due to the molecular structure relationship, part of plastics have certain water absorption. When the water content in the plastic particles is large, material flowers and air bubbles are generated in the forming process, and the performance is reduced. Usually can use the plastic drying machine to carry out drying process, but traditional plastic drying machine, during the air was carried to the hot-blast main by the air-blower, sent into the hopper by the hot-blast main, dried plastics, then discharged from the air outlet of hopper, will cause hot-blast a large amount of losses like this, the low-usage of electric energy, power consumption is big.

The plastic raw material drying machine with the publication number of CN205668356U comprises a hopper, wherein a hopper cover is detachably arranged on an opening of the hopper, an exhaust bent pipe is communicated with the hopper cover and is connected with an air return pipe, the other end of the air return pipe is communicated with the hopper, an air return pipe is also communicated with the air return pipe, and a moisture adsorption layer is arranged in the other end of the air return pipe; the air blower is communicated with the hot air pipe, the heater is arranged in the hot air pipe, the hot air pipe is communicated with the hopper, the temperature sensor is arranged in the hopper and is in signal connection with the controller, the controller is in signal connection with the heater and the air blower respectively, and through the connection of the exhaust bent pipe and the air return pipe, hot air in the hopper flows back into the hopper again, the heat of the hot air exhausted by the exhaust bent pipe is recycled, and the power consumption of the plastic raw material drying machine can be effectively reduced. However, as the plastics in the plastic raw material dryer are stacked in the hopper, the difficulty of drying the plastics in the stack is increased, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the above problems and provide a plastic material drying machine.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a plastics raw materials desiccator, including hopper, air-blower, heater and heating pipe, the air-blower switches on with the hopper through the heating pipe, the bottom of hopper is equipped with driving motor, driving motor's output is connected with the rotary rod, the rotary rod runs through the hopper and rotates to be connected in the hopper, be equipped with the inner tube in the hopper, be connected with the connection pad between the bottom of inner tube and the inner wall of hopper, the inner wall of inner tube is equipped with first disc, and the center of first disc has seted up the round hole, be equipped with the second disc on the rotary rod, the second disc is located the top of first disc, be equipped with arc push rod on the rotary rod, arc push rod's bottom laminating is at the upper surface of first disc.

By adopting the technical scheme, through the matching of the driving motor, the rotating rod, the first disk, the second disk and the arc push rod, after plastic particles needing to be dried are put into the hopper, the plastic particles can be accumulated on the second disk, then the driving motor is started, the rotating rod drives the second disk and the arc push rod to synchronously rotate, the plastic particles on the second disk are thrown onto the first disk due to centrifugal force, then the plastic particles on the first disk are swept on the first disk through the arc push rod, the plastic particles on the first disk are swept and collected at the center of the first disk, two groups of first disks, second disks and arc push rods are arranged in the hopper, the plastic particles are poured into the hopper, the plastic particles are transported from top to bottom, can be fully contacted with hot air in the hopper in the transportation process, and are beneficial to the drying of each plastic particle, the drying efficiency is improved, and the drying time is shortened.

The utility model discloses further set up to: the improved hopper is characterized in that a conical plate is connected between the rotary rod and the bottom of the inner wall of the hopper, a discharge pipe is communicated with the bottom of the hopper, and the discharge pipe is located between the conical plate and the side wall of the hopper.

Through adopting above-mentioned technical scheme, when plastic granules fell to the hopper bottom from first disc, can fall into on the toper board of first disc below for plastic granules is transported to between toper board and the hopper inner wall, is discharged by the discharging pipe of bottom at last again and collects.

The utility model discloses further set up to: an electromagnetic control valve is arranged on the discharge pipe.

By adopting the technical scheme, the electromagnetic control valve is arranged, so that the opening or closing of the discharge pipe is conveniently controlled, and when the plastic particles in the hopper are dried, the electromagnetic control valve is in a normally closed state, so that hot air flow is prevented from discharging out of the hopper.

The utility model discloses further set up to: the top of the hopper is rotatably connected with a hopper cover through a connecting piece, and the hopper cover are fixed through a buckling piece.

Through adopting above-mentioned technical scheme, through the cooperation of connecting piece and buckling piece for the hopper lid at hopper top passes through convenient opening or closing of buckling piece, and through the connecting piece, uses the connecting piece to open as the rotation of centre of a circle as the hopper lid.

The utility model discloses further set up to: the diameter of the second disk is larger than the inner diameter of the round hole, and the diameter of the second disk is smaller than that of the first disk.

By adopting the technical scheme, when plastic particles are poured into the inner barrel, most of the plastic particles can fall on the second disk, and the small plastic particles can fall on the first disk below the second disk but can not fall into the round hole of the first disk.

The utility model discloses further set up to: the top of hopper lid and the lateral wall of hopper all are equipped with the connector, two be equipped with the connecting pipe between the connector.

Through adopting above-mentioned technical scheme for the air-blower blows hotter air in to the hopper through the heating pipe, and hotter air can flow to the connector at top, through the connecting pipe at the connector of leading to the hopper side, plays the effect of hot air backward flow.

The utility model discloses further set up to: fix on the hopper be equipped with the breather pipe on the connector, and the bottom of breather pipe is equipped with the moisture adsorption layer.

Through adopting above-mentioned technical scheme, through breather pipe and moisture adsorbed layer for when the hot-air flows in connector and connecting tube, can be in the moisture suction in the air, make the inside air of hopper be in the dry condition.

The utility model discloses further set up to: and a plurality of supporting legs are distributed at the bottom of the side edge of the hopper in an array manner.

Through adopting above-mentioned technical scheme, set up the support bar, play better supporting effect to raise the hopper and for a certain height, make things convenient for hopper bottom driving motor's maintenance.

To sum up, the utility model discloses following beneficial effect has: through the matching of the driving motor, the rotating rod, the first disk, the second disk and the arc push rod, after plastic particles to be dried are put into the hopper, the plastic particles are accumulated on the second disk, then the driving motor is started to drive the second disc and the arc push rod to synchronously rotate by the rotating rod, so that the plastic particles on the second disc are thrown onto the first disc by centrifugal force, then the plastic particles on the first disk are swept on the first disk by the arc-shaped push rod, the plastic particles on the first disk are swept and collected at the center of the first disk, and two groups of first disks, second disks and arc push rods are arranged in the hopper, so that the plastic particles are poured into the hopper and are transported from top to bottom, the plastic granules can be fully contacted with hot air in the hopper in the transportation process, thereby being beneficial to drying each plastic granule, improving the drying efficiency and shortening the drying time.

Drawings

FIG. 1 is a schematic structural view of a plastic raw material dryer of the present invention;

fig. 2 is a sectional view of the plastic raw material dryer of the present invention.

Reference numerals: 1. a hopper; 2. a blower; 3. a heater; 4. heating a tube; 5. a drive motor; 6. rotating the rod; 7. an inner barrel; 8. a connecting disc; 9. a first disc; 10. a circular hole; 11. a second disc; 12. an arc push rod; 13. a tapered plate; 14. a discharge pipe; 15. an electromagnetic control valve; 16. a connecting member; 17. a hopper cover; 18. a fastener; 19. a connector; 20. a connecting pipe; 21. a breather pipe; 22. and (5) supporting legs.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a plastic raw material dryer, four support legs 22 are welded at the bottom of the side of a hopper 1, then a heating pipe 4 is welded at the side of the hopper 1, an air blower 2 is installed at one end of the heating pipe 4, a heater 3 is installed on the heating pipe 4, the heater 3 is used for controlling the temperature of the heating pipe 4, a connecting piece 16 is installed at one side of the top of the hopper 1, a hopper 1 cover is connected on the connecting piece 16, a buckling piece 18 is installed at the other side of the top of the hopper 1, the buckling piece 18 is a box cover buckle, the connecting piece 16 can be a hinge or a rotating shaft, etc., a connecting head 19 is installed at the top of the hopper cover 17, another connecting head 19 is installed at the side of the hopper 1, a vent pipe 21 is welded at one side of the connecting head 19, a moisture adsorption layer is installed at the bottom of the vent pipe, install inner tube 7 through connection pad 8 in hopper 1, and the upper and lower both ends of inner tube 7 and connection pad 8 switch on, install driving motor 5 in the bottom of hopper 1, the output welding rotary rod 6 of driving motor 5, rotary rod 6 runs through hopper 1, and be located inner tube 7, weld tapered plate 13 on the diapire of hopper 1 and rotary rod 6, and switch on discharging pipe 14 in the bottom of hopper 1, install solenoid electric valve 15 on discharging pipe 14, bond first disc 9 in inner tube 7, and mill round hole 10 in the centre of first disc 9, round hole 10 passes rotary rod 6, just be located rotary rod 6 in the top of first disc 9 and weld second disc 11, two arc push rods 12 of circumference array distribution on first rotary rod 6, the bottom of arc push rod 12 and the upper surface laminating of first disc 9.

When the plastic particle collecting device is used, the connecting head 19 between the hopper cover 17 and the connecting pipe 20 is detached, the buckling piece 18 is opened, the hopper cover 17 rotates through the connecting piece 16, plastic particles are poured into the inner cylinder 7, most of the plastic particles are accumulated on the second disc 11, a small part of the plastic particles fall on the first disc 9, then the hopper cover 17 is covered, the connecting head 19 between the hopper cover 17 and the connecting pipe 20 is connected again, then the air blower 2 and the heater 3 are started, hot air is guided into the hopper 1 through the heating pipe 4, then the driving motor 5 is started, the rotating rod 6 drives the second disc 11 and the arc-shaped push rod 12 to synchronously rotate, the plastic particles on the second disc 11 are thrown onto the first disc 9 due to centrifugal force, then the plastic particles on the first disc 9 are swept on the first disc 9 through the arc-shaped push rod 12, the plastic particles on the first disc 9 are swept and collected in the center of the first disc 9, and two sets of first discs 9, second discs 11 and arc push rods 12 are arranged in the hopper 1, so that plastic particles are poured into the hopper 1 and are transported from top to bottom, the plastic particles can be fully contacted with hot air in the hopper 1 in the transportation process, drying of each plastic particle is facilitated, drying efficiency is improved, drying time is shortened, hot air can flow through the connector 19 and the connecting pipe 20, moisture in the hot air is sucked out through the vent pipe 21 and the moisture adsorption layer, drying of the air in the hopper 1 is guaranteed, after dehumidification of the plastic particles is completed, the plastic particles can be accumulated at the bottom of the hopper 1, the electromagnetic control valve 15 is opened, and the plastic particles are discharged through the discharge pipe 14.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a plastics raw materials desiccator, includes hopper (1), air-blower (2), heater (3) and heating pipe (4), air-blower (2) switch on its characterized in that through heating pipe (4) and hopper (1): the bottom of hopper (1) is equipped with driving motor (5), the output of driving motor (5) is connected with rotary rod (6), rotary rod (6) run through hopper (1) and rotate the connection in hopper (1), be equipped with inner tube (7) in hopper (1), be connected with connection pad (8) between the bottom of inner tube (7) and the inner wall of hopper (1), the inner wall of inner tube (7) is equipped with first disc (9), and round hole (10) have been seted up at the center of first disc (9), be equipped with second disc (11) on rotary rod (6), second disc (11) are located the top of first disc (9), be equipped with arc push rod (12) on rotary rod (6), the upper surface at first disc (9) is laminated to the bottom of arc push rod (12).

2. The plastic feedstock dryer as set forth in claim 1, wherein: be connected with conical plate (13) between the inner wall bottom of rotary rod (6) and hopper (1), the bottom of hopper (1) leads to there is discharging pipe (14), discharging pipe (14) are located between conical plate (13) and hopper (1) lateral wall.

3. The plastic feedstock dryer as set forth in claim 2, wherein: an electromagnetic control valve (15) is arranged on the discharge pipe (14).

4. The plastic feedstock dryer as set forth in claim 1, wherein: the top of the hopper (1) is rotatably connected with a hopper cover (17) through a connecting piece (16), and the hopper (1) and the hopper cover (17) are fixed through a buckling piece (18).

5. The plastic feedstock dryer as set forth in claim 1, wherein: the diameter of the second disk (11) is larger than the inner diameter of the round hole (10), and the diameter of the second disk (11) is smaller than that of the first disk (9).

6. The plastic raw material dryer as claimed in claim 4, wherein: the top of hopper lid (17) and the lateral wall of hopper (1) all are equipped with connector (19), two be equipped with connecting pipe (20) between connector (19).

7. The plastic feedstock dryer as set forth in claim 6, wherein: fix on hopper (1) be equipped with breather pipe (21) on connector (19), and the bottom of breather pipe (21) is equipped with the moisture adsorption layer.

8. The plastic feedstock dryer as set forth in claim 1, wherein: and a plurality of supporting legs (22) are distributed at the bottom of the side edge of the hopper (1) in an array manner.

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