CN220517262U - Particle drying device for plastic product processing - Google Patents

Abstract

The utility model relates to the technical field of plastic product processing, in particular to a particle drying device for plastic product processing, which solves the problem that the uniformity of plastic particle drying in the prior art is to be improved. A granule drying device for plastic product processing, comprising: the top of the box body is provided with a feed inlet, the bottom of the box body is provided with a discharge outlet, and the bottom of the box body is provided with supporting legs; the inner shell is symmetrically arranged on the inner wall of the box body. The utility model utilizes the reciprocating rolling motion of the movable shaft on the movable stirring blade and the sweeping bar to realize full contact of plastic particles and hot air, prevents the plastic particles from falling and blocking, ensures that the plastic particles can fully contact the hot air on each layer by blowing hot air on two sides of each layer and blowing hot air under the last layer, simultaneously opens the feeding port and the discharging port, can ensure continuous feeding and discharging, is convenient for timely discharging moisture after drying, and improves the drying efficiency and the drying uniformity of the plastic particles.

Description

Particle drying device for plastic product processing

Technical Field

The utility model relates to the technical field of plastic product processing, in particular to a particle drying device for plastic product processing.

Background

The existing plastic particles are formed by extrusion and extrusion in the production process, then water cooling is carried out, the formed plastic is required to be cut into particles after cooling, if the plastic is directly cut after cooling, water vapor generated by cooling can be adhered to the plastic particles, and the water vapor adhered to the plastic particles can be condensed to form water drops to be adhered to the surfaces of the plastic particles, so that dehydration and drying are required to the surfaces of the plastic particles.

The prior Chinese patent of patent publication No. CN216049010U provides a plastic particle dryer, which comprises a storage seat, be equipped with the stoving case on the receiver, stoving case bottom is equipped with the row material loop, stoving case one side top is equipped with feed arrangement, be equipped with the feed arrangement in the stoving incasement upper end, feed arrangement's both sides face lower extreme is equipped with the sloping, be equipped with feed divider in the feed arrangement, feed divider comprises a plurality of column spinner and a plurality of feed divider, the column spinner with feed divider all passes through connecting plate fixed connection.

By adopting the technical scheme, the problem that the drying progress is affected due to the difficulty in falling of plastic particles is solved; however, when the above structure is used, although falling of plastic particles is realized by using the arrangement of the refining plate provided with the refining holes, the air outlet pipe of the air heater is arranged above the refining plate, after the plastic particles are dried, hot air with humidity can flow upwards, so that the drying effect of the plastic particles falling just is common, the drying of the particles is mainly concentrated at the refining plate, or the situation that the particles with humidity still exist in the plastic particles falling through the refining plate exists, and the uniformity of the drying of the plastic particles is to be improved, so that the particle drying device for plastic product processing is proposed.

Disclosure of Invention

The utility model aims to provide a particle drying device for plastic product processing, which solves the problem that the uniformity of plastic particle drying is to be improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a granule drying device for plastic product processing, comprising:

the top of the box body is provided with a feed inlet, the bottom of the box body is provided with a discharge outlet, and the bottom of the box body is provided with supporting legs;

the inner shell is symmetrically arranged on the inner wall of the box body to form air supply cavities respectively, three ventilation openings are vertically formed in the side wall of the inner shell at equal intervals, reciprocating screw rods are arranged in the inner shell, one ends of the two groups of reciprocating screw rods penetrate out of the box body respectively and are connected through a synchronous belt in a transmission way, a protection box covered outside the synchronous belt is arranged outside the box body, and a motor for controlling the reciprocating screw rods to rotate is arranged outside the box body;

the air heater is arranged on one side of the box body and is communicated with a first air supply pipe and a second air supply pipe, the air supply opening of the first air supply pipe is respectively communicated with the air supply cavities of the two inner shells, and the air supply opening of the second air supply pipe is arranged at a position close to the discharge opening;

the material homogenizing disc is arranged between the two inner shells, three material leaking holes are formed in the material homogenizing disc at equal intervals vertically;

the movable shaft is arranged above the corresponding refining disc, two ends of the movable shaft extend to the corresponding ventilation opening positions, the movable shaft is driven by the reciprocating screw rod to roll reciprocally, a plurality of stirring blades are arranged on the movable shaft in an annular array, and sweeping bars are arranged at the bottom ends of the stirring blades.

Preferably, the length direction of the vent is perpendicular to the axial lead of the movable shaft, and the axial lead of the reciprocating screw is parallel to the length direction of the vent.

Preferably, a plurality of latches are arranged on one side of the inner wall of the vent in a linear array, gears meshed with the latches in a matched mode are arranged in the vent, circular plates are fixedly arranged at two ends of each gear respectively, two circular plates are respectively blocked on the outer side and the inner side of the inner shell, and one end of the movable shaft is fixedly arranged on the coaxial center of the outer circular plate.

Preferably, a connecting plate is arranged in the inner shell, three circular plates arranged on the inner side of the inner shell are movably connected with the connecting plate through bearing seats respectively, and the connecting plate is fixedly arranged with a nut sleeve of the reciprocating screw.

Preferably, the circumference formed by the circumferential rotation of the stirring blades is positioned above the lower refining disc or between the upper refining disc and the lower refining disc; the circumference formed by circumferential rotation of the sweeping bar is tangent to the lower refining disc or tangent to the upper refining disc and the lower refining disc.

Preferably, the power line of the air heater and the motor is electrically connected with the power plug, and the power line is provided with a control switch.

The utility model has at least the following beneficial effects:

1. utilize the loose axle to stir blade and sweep reciprocal roll formula motion in moving, realize the abundant contact of plastic granules and hot-blast, prevent simultaneously that plastic granules from taking place to fall to block up, through blowing in hot-blast in the both sides of each layer, blow in hot-blast in the below of last layer, guarantee that plastic granules can all fully contact hot-blast in every layer, open-type feed inlet and bin outlet simultaneously, can guarantee continuous feeding and discharge, the timely discharge of moisture after the stoving of also being convenient for has improved the efficiency of plastic granules stoving and the degree of consistency of stoving.

2. Through stirring blade and refining disc contactless, reduce refining disc's wearing and tearing, sweep strip and upper and lower refining disc contact, can further improve the utilization ratio of sweep strip, protect refining hole to refining disc, improve the utilization ratio of sweep strip simultaneously.

Drawings

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

FIG. 1 is a schematic diagram of a plastic particle drying apparatus;

fig. 2 is a side view of the drying apparatus;

FIG. 3 is a schematic diagram of a movable shaft structure;

FIG. 4 is a schematic view of the mounting structure of the refining disc and the inner shell;

fig. 5 is a schematic view of the structure of the connection plate and the gears.

In the figure: 1. a case; 2. an air heater; 3. a first air supply pipe; 4. a second air supply pipe; 5. a protective case; 6. a feed inlet; 7. a discharge port; 8. a motor; 9. an inner case; 10. a vent; 11. latch teeth; 12. a reciprocating screw; 13. a connecting plate; 14. a movable shaft; 15. an agitating blade; 16. a sweep bar; 17. a circular plate; 18. a gear; 19. and (5) a material homogenizing disc.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 5, a particle drying apparatus for plastic product processing includes:

the box body 1 is provided with a feed inlet 6 at the top, a discharge outlet 7 at the bottom and supporting legs at the bottom;

the inner shell 9 is symmetrically arranged on the inner wall of the box body 1 to form an air supply cavity respectively, three ventilation openings 10 are vertically and equidistantly formed in the side wall of the inner shell 9, the reciprocating screw rods 12 are arranged in the inner shell 9, one ends of the two groups of reciprocating screw rods 12 respectively penetrate through the box body 1 and are connected through a synchronous belt in a transmission manner, the protection box 5 covered outside the synchronous belt is arranged outside the box body 1, and the motor 8 for controlling the rotation of the reciprocating screw rods 12 is arranged outside the box body 1;

the air heater 2 is arranged on one side of the box body 1, the air heater 2 is communicated with a first air supply pipe 3 and a second air supply pipe 4, air supply outlets of the first air supply pipe 3 are respectively communicated with air supply cavities of the two inner shells 9, and air supply outlets of the second air supply pipe 4 are arranged at positions close to the discharge opening 7;

the material homogenizing disc 19 is arranged between the two inner shells 9, three material homogenizing discs 19 are vertically and equidistantly arranged, and a plurality of material leakage holes are formed in the material homogenizing disc 19;

the movable shafts 14 are arranged above the corresponding refining discs 19, two ends of each movable shaft 14 extend to the corresponding ventilation openings 10, the movable shafts 14 are driven by the reciprocating screw rods 12 to reciprocate, a plurality of stirring blades 15 are arranged on the movable shafts 14 in an annular array, and sweeping bars 16 are arranged at the bottom ends of the stirring blades 15;

it will be appreciated that: the inside of box 1 uses the screw installation with inner shell 9, even charging tray 19 uses screw and inner shell 9 installation, first blast pipe 3 and second blast pipe 4 use screw and box 1 fixed mounting respectively, protection box 5 uses screw and box 1 installation, inner shell 9 is one side open-ended cuboid box body structure, air heater 2 is through two air supply chamber air supplies of first blast pipe 3 case for hot-blast vent 10 from each side discharges, air heater 2 is through second blast pipe 4 from box 1 bottom air supply, feed inlet 6 and bin outlet 7 of box 1 are open-ended respectively, bin outlet 7 is used for the unloading, feed inlet 6 is used for the feeding, feed inlet 6 and bin outlet 7 discharge moisture that simultaneously respectively can be timely, even charging tray 19 has rectangular frame and stainless steel wire to constitute, transversely and fore-and-aft stainless steel wire weave the net, the mesh is slightly greater than plastic granules external diameter.

One embodiment of the scheme is as follows: through continuously throwing plastic particles to be dried from a feed inlet 6, a motor 8 and an air heater 2 are operated, so that two groups of reciprocating screws 12 rotate, nut sleeves on the two groups of reciprocating screws 12 move, hot air is blown into the box body 1, horizontally blows from a vent 10 to the upper part of a homogenizing disc 19 and between an upper homogenizing disc 19 and a lower homogenizing disc 19, and meanwhile, upward hot air is blown at a position close to a discharge opening 7; the plastic particles entering from the feed inlet 6 firstly fall on a first layer of homogenizing disc 19, the stirring blades 15 above the homogenizing disc 19 linearly and reciprocally roll so as to enable the plastic particles to be uniformly contacted with hot air for drying, meanwhile, the plastic particles fall on a second layer of homogenizing disc 19 successively under the driving of the sweeping bar 16 and are stirred by the stirring blades 15 of the layer, further contacted with hot air for drying, the plastic particles on the second layer of homogenizing disc 19 fall on a third layer of homogenizing disc 19 successively and are dried under the lower hot air and the hot air on two sides, and are simultaneously stirred by the stirring blades 15 of the layer, so that the drying of the plastic particles is further realized, and then the plastic particles pass through the third layer of homogenizing disc 19 successively and are discharged through the discharge outlet 7; utilize loose axle 14 to move stirring blade 15 and the reciprocal roll motion of sweep bar 16, realize the abundant contact to plastic granules and hot-blast, prevent simultaneously that plastic granules from taking place to fall to block up, through blowing in hot-blast in the both sides of each layer, blow in hot-blast in the below of last layer, guarantee that plastic granules can all fully contact hot-blast in every layer, open-type feed inlet 6 and bin outlet 7 simultaneously, can guarantee continuous feeding and discharge, the timely discharge of moisture after also being convenient for the stoving has improved the efficiency of plastic granules stoving and the degree of consistency of stoving.

Further, the length direction of the vent 10 is perpendicular to the axis of the movable shaft 14, and the axis of the reciprocating screw 12 is parallel to the length direction of the vent 10, specifically, it can be understood that the movable shaft 14 rolls reciprocally along the length direction of the vent 10, and meanwhile, strong hot air is blown out at the position of the vent 10.

Further, a plurality of latches 11 are arranged on one side of the inner wall of the ventilation opening 10 in a linear array, a gear 18 which is matched and meshed with the latches 11 is arranged in the ventilation opening 10, circular plates 17 are fixedly arranged at two ends of the gear 18 respectively, the two circular plates 17 are respectively blocked on the outer side and the inner side of the inner shell 9, one end of the movable shaft 14 is fixedly arranged coaxially with the circular plates 17 on the outer side, specifically, the two circular plates 17 are used for limiting stable matching of the gear 18 and the latches 11, and the outer diameter of the circular plates 17 is larger than the width of the ventilation opening 10.

Further, a connecting plate 13 is arranged in the inner shell 9, three circular plates 17 arranged on the inner side of the inner shell 9 are respectively and movably connected with the connecting plate 13 through bearing seats, the connecting plate 13 is fixedly installed with a nut sleeve of the reciprocating screw 12, specifically, the reciprocating screw 12 rotates, the nut seats drive the connecting plate 13 to reciprocate and drive three groups of toothed rollers to roll in the ventilation opening 10, and meanwhile, the reciprocating screw 12 on two sides is controlled by one motor 8, so that synchronous operation of three groups of movable shafts 14 is realized.

Further, the circumference formed by the circumferential rotation of the stirring blades 15 is located above the lower refining disc 19 or between the upper and lower refining discs 19; the circumference formed by the circumferential rotation of the sweeping bar 16 is tangential to the lower refining disc 19 or tangential to the upper refining disc 19 and the lower refining disc 19, specifically, the stirring blades 15 play a role in turning over plastic particles, and the sweeping bar 16 plays a role in clearing up blockage of refining holes.

Further, the power lines of the air heater 2 and the motor 8 are electrically connected with the power plug, and the power lines are provided with control switches, specifically, the operation and the closing of the air heater 2 or the corresponding motor 8 can be controlled through the control switches.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A granule drying device for plastic product processing, characterized by comprising:

the box body (1) is provided with a feed inlet (6) at the top, a discharge outlet (7) at the bottom and supporting legs at the bottom;

the inner shell (9) is symmetrically arranged on the inner wall of the box body (1) to form air supply cavities respectively, three ventilation openings (10) are vertically formed in the side wall of the inner shell (9) at equal intervals, the reciprocating screw rods (12) are arranged in the inner shell (9), one ends of the two groups of reciprocating screw rods (12) penetrate through the box body (1) respectively and are connected through a synchronous belt in a transmission mode, a protection box (5) covered outside the synchronous belt is arranged outside the box body (1), and a motor (8) for controlling the reciprocating screw rods (12) to rotate is arranged outside the box body (1);

the air heater (2) is arranged on one side of the box body (1), the air heater (2) is communicated with a first air supply pipe (3) and a second air supply pipe (4), air supply openings of the first air supply pipe (3) are respectively communicated with air supply cavities of the two inner shells (9), and air supply openings of the second air supply pipe (4) are arranged at positions close to the discharge opening (7);

the material homogenizing disc (19) is arranged between the two inner shells (9), three material homogenizing discs (19) are vertically and equidistantly arranged, and a plurality of material leakage holes are formed in the material homogenizing discs (19);

the movable shaft (14) is arranged above the corresponding refining disc (19), two ends of the movable shaft (14) extend to the corresponding ventilation opening (10) and are driven by the reciprocating screw rod (12) to roll reciprocally, a plurality of stirring blades (15) are arranged on the movable shaft (14) in an annular array, and sweeping bars (16) are arranged at the bottom ends of the stirring blades (15).

2. The granule drying apparatus for plastic product processing according to claim 1, wherein the longitudinal direction of the ventilation opening (10) is perpendicular to the axis of the movable shaft (14), and the axis of the reciprocating screw (12) is parallel to the longitudinal direction of the ventilation opening (10).

3. The particle drying device for plastic product processing according to claim 1, wherein a plurality of latches (11) are arranged on one side of the inner wall of the ventilation opening (10) in a linear array, gears (18) which are meshed with the latches (11) in a matching way are arranged in the ventilation opening (10), circular plates (17) are fixedly arranged at two ends of each gear (18), the two circular plates (17) are respectively blocked on the outer side and the inner side of the inner shell (9), and one end of the movable shaft (14) is fixedly arranged on the same axis as the outer circular plate (17).

4. The particle drying device for plastic product processing according to claim 1, wherein a connecting plate (13) is arranged in the inner shell (9), three circular plates (17) arranged on the inner side of the inner shell (9) are respectively movably connected with the connecting plate (13) by using bearing seats, and the connecting plate (13) is fixedly installed with a nut sleeve of the reciprocating screw (12).

5. A granule drying apparatus for plastic product processing according to claim 1, characterized in that the circumference formed by the circumferential rotation of the stirring blade (15) is located above the lower refining disc (19) or between the upper and lower refining discs (19); the circumference formed by the circumferential rotation of the sweep bar (16) is tangent to the lower refining disc (19) or tangent to the upper refining disc (19) and the lower refining disc (19).

6. The granule drying apparatus for plastic product processing according to claim 1, wherein the power lines of the air heater (2) and the motor (8) are electrically connected with a power plug, and a control switch is installed on the power lines.