CN113970237B

CN113970237B - Plastic granules drying equipment

Info

Publication number: CN113970237B
Application number: CN202111221525.4A
Authority: CN
Inventors: 董云龙
Original assignee: Hangzhou Yongteng Rubber & Plastic Industry Co ltd
Current assignee: Hangzhou Yongteng Rubber & Plastic Industry Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-11-01
Anticipated expiration: 2041-10-20
Also published as: CN113970237A

Abstract

The application discloses plastic particle drying equipment, which relates to the technical field of rubber recovery and comprises a machine barrel, wherein a cavity is formed in the machine barrel, a feed hopper and a discharge hopper are arranged on the machine barrel, a first sieve plate is arranged on the machine barrel and fixed on the side wall of an inner cavity of the machine barrel, a stirring component for stirring plastic particles on the first sieve plate is arranged on the machine barrel, the stirring component is positioned on one side of the sieve plate, which faces the feed hopper, a driving component for driving the stirring component to move is arranged on the machine barrel, and a hot air blower is arranged on the outer side of the machine barrel; inject into hot-blastly to the inner chamber inside of barrel through the tuber pipe, make the hot-blast moisture of taking away on the plastic granules as far as possible that the air heater blew off, utilize the stirring component to stir the plastic granules and move on first sieve, make hot-blastly blow in between the plastic granules that originally contacted to further take away the moisture on the plastic granules, and then improve the product quality of plastic granules.

Description

Plastic granules drying equipment

Technical Field

The application relates to the technical field of rubber recovery, in particular to plastic particle drying equipment.

Background

At present, in the production process of plastic particles, firstly wire drawing forming is carried out, then grain cutting and blocking are carried out, the blocked plastic particles are generally cooled by a water cooling tank, the surface layer and the shallow surface layer of the plastic particles are both adhered with a large amount of moisture by water cooling in the cooling process and need to be dried,

however, due to the rapid operation of the production line, the drying time of the air dryer for the plastic particles is not enough, the drying temperature is not uniform, the dried plastic particles still carry certain moisture after passing through the air dryer, and the plastic particle part is heated and stuck together, so that the air drying efficiency is low, and the product quality is poor.

Disclosure of Invention

For the product quality who improves plastic granules, this application provides a plastic granules drying equipment.

The application provides a plastic granules drying equipment adopts following technical scheme: the utility model provides a plastic granules drying equipment, includes the barrel, the cavity has been seted up in the barrel, be provided with the feeder hopper on the barrel, the cavity intercommunication of feeder hopper and barrel, be provided with out the hopper on the barrel, go out the cavity intercommunication of hopper and barrel, be provided with first sieve on the barrel, first sieve is fixed on the inner chamber lateral wall of barrel, first sieve is separated in feeder hopper and play hopper both sides, be provided with the stirring component that is used for stirring plastic granules on the first sieve on the barrel, the stirring component is located one side of sieve towards the feeder hopper, be provided with the drive assembly who is used for driving the stirring component motion on the barrel, the outside of barrel is provided with the air heater, the inner chamber of air-out pipe intercommunication barrel of air heater.

Through adopting above-mentioned technical scheme, during the use, the plastic granules that the staff will need to dry are put into the cavity of barrel by the feeder hopper in, then start the air heater, it is hot-blast to inject into the inner chamber the inside of barrel through the tuber pipe, the moisture on the plastic granules is taken away to the hot-blast as far as possible that makes the air heater blow off, meanwhile, control drive assembly drives the stirring component motion, thereby stir the plastic granules that falls into on first sieve, stir the plastic granules and remove on first sieve, can make hot-blast blowin between the plastic granules that originally contacted at plastic granules removal in-process, thereby further take away the moisture on the plastic granules, and then improve the product quality of plastic granules.

Preferably, the stirring component includes axis of rotation and stirring board, the axis of rotation rotates to be set up on the barrel and the one end of axis of rotation is passed by first sieve, the stirring board is provided with a plurality ofly, and is a plurality of the circumference direction setting of axis of rotation is followed to the stirring board, and is a plurality of the stirring board is located one side of first sieve orientation feeder hopper, every rotate respectively on the stirring board and be provided with a stirring subassembly, be provided with on the barrel and be used for driving stirring subassembly pivoted driving piece.

Through adopting above-mentioned technical scheme, when using the stirring component, the axis of rotation rotates and drives the stirring board and be rotary motion to stir the plastic granules motion on the first sieve, and drive the stirring subassembly and move together, thereby improve the stirring effect to plastic granules on the first sieve.

Preferably, the driving piece is including setting up the ring gear on barrel inner chamber lateral wall, the stirring subassembly includes gear and (mixing) shaft, gear revolve sets up on the stirring board, the gear meshes with the ring gear mutually, with axle center fixed connection (mixing) shaft on the gear, the one end that the gear was kept away from to the (mixing) shaft is close to first sieve, follow a plurality of puddlers of circumference direction fixedly connected with on the (mixing) shaft.

Through adopting above-mentioned technical scheme, when the stirring board is rotatory under the drive of axis of rotation, can drive the gear and carry out the revolution along the circumferencial direction of axis of rotation, and gear ring mesh simultaneously make the gear carry out the rotation to it is rotatory to drive the (mixing) shaft, and the (mixing) shaft drives the puddler and rotates, thereby utilizes the revolution of (mixing) shaft to add the rotation, reinforcing stirring effect, and utilize the puddler to stir the plastic granules of first sieve top, reduce the condition emergence that plastic granules blockked up first sieve.

Preferably, the driving assembly comprises a motor, the motor is fixedly connected to the machine barrel, and an output shaft of the motor is coaxially and fixedly connected with the rotating shaft.

By adopting the technical scheme, when the synchronous motor is used, the motor is started, drives the rotating shaft to rotate, and synchronously moves together with the output shaft of the motor.

Preferably, the inside wall fixedly connected with connecting block of barrel, first sieve sets up the top at the connecting block, can dismantle on the inside wall of barrel and be connected with the fixture block, the fixture block is located the top of first sieve and the lower bottom surface butt of fixture block on first sieve.

Through adopting above-mentioned technical scheme, during the use, the staff can place first sieve in the top of connecting block earlier, then establish the fixture block card on the lateral wall of barrel, make the lower surface and the mutual butt of first sieve of fixture block to make things convenient for first sieve to take place to damage the back and change.

Preferably, first sieve is connected with the transmission piece towards the fixed surface of stirring board, the spout that agrees with the transmission piece is seted up towards the surface of first sieve to the stirring board, the spout degree of depth reduces along the rotation direction of stirring board gradually, fixed surface is connected with first spring on the connecting block, and the one end butt that the connecting block was kept away from to first spring is on first sieve.

Through adopting above-mentioned technical scheme, when the stirring board is rotatory, the spout slip can be followed to the transmission piece, and along with the diminishing of spout degree of depth gradually, the transmission piece moves in the axial of axis of rotation, thereby promote first sieve compression spring, after the transmission piece is crossed to the stirring board, first sieve pushes the sieve and resets under the reaction force of first spring, and the characteristic that utilizes the spring drives first sieve and takes place the shake, thereby make the rubber granule that leans on each other together relax in the effect of shake, and then be convenient for hot-blast gap department of blowing into rubber granule, improve the stoving effect, and along with the shake of first sieve, improve the filter effect.

Preferably, be provided with the second sieve on the barrel, the fixed setting of second sieve is on the lateral wall of barrel inner chamber, the second sieve is located one side that first sieve dorsad stirred the subassembly, the tuber pipe of air heater has two exhaust vents, and two exhaust vents are located the both sides of first sieve.

Through adopting above-mentioned technical scheme, set up the decline time of second sieve extension plastic granules to utilize the exhaust vent of first sieve top to blow to the plastic granules is whole, utilize the exhaust vent of first sieve below can blow when plastic granules falls, because this moment plastic granules is in single particle state basically when descending, consequently help the promotion of stoving effect under the effect of hot-blast.

Preferably, the second sieve plate is obliquely arranged, and the lower end face of the second sieve plate is close to the discharge hopper.

Through adopting above-mentioned technical scheme, utilize the second sieve of slope, make plastic granules slide along the second sieve under the action of gravity in the in-process that falls to the mesh that utilizes to slide from the second sieve falls.

Preferably, be provided with a plurality of scrapers on the second sieve, it is a plurality of the scraper blade slides and sets up on the second sieve towards first sieve on the surface, it is a plurality of the scraper blade is evenly arranged along the length direction of second sieve, every the length direction of scraper blade sets up along the width direction of second sieve, the length direction of second sieve is unanimous rather than the incline direction, still be provided with on the second sieve and be used for promoting the gliding promotion subassembly of a plurality of scraper blades.

Through adopting above-mentioned technical scheme, during the use, start and promote the subassembly, promote the subassembly and promote a plurality of scrapers and remove, a plurality of scrapers promote the plastic granules removal on the second sieve to reduce plastic granules and take place in the accumulational condition on the second sieve.

Preferably, the promotion subassembly includes transfer line and a plurality of connecting rod, and is a plurality of connecting rod and a plurality of scraper blade one-to-one, the transfer line is worn to establish on the second sieve, and is a plurality of the one end fixed connection that the scraper blade was kept away from to the connecting rod is on the transfer line, the one end of transfer line is stretched out by one side of second sieve, the other end fixedly connected with second spring of transfer line, the one end that motor output shaft was kept away from in the axis of rotation passes two poker rods of sieve and fixedly connected with, two the poker rod is used for promoting the transfer line motion.

Through adopting above-mentioned technical scheme, during the use, the axis of rotation rotates and drives and stirs the rotation, and the transfer line can be touched once every rotatory week to the poker rod, promotes the transfer line and removes along the length direction of second sieve when touching the transfer line to drive connecting rod synchronous motion, the connecting rod drives the scraper blade and removes, and the plastic granules motion on the second sieve is scraped to the scraper blade.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up stirring component and first sieve, pour into hot-blastly into to the inner chamber the inside of barrel through going out the tuber pipe, make hot-blastly as far as possible that the air heater blew off take away the moisture on the plastic granules, utilize the stirring component to stir plastic granules and move on first sieve, make hot-blastly blow in between the plastic granules that originally contacted to further take away the moisture on the plastic granules, and then improve plastic granules's product quality.

2. The first spring is arranged below the first sieve plate, the first sieve plate moves under the action of the first spring in a reciprocating mode, the first sieve plate shakes, rubber particles which lean against each other are loosened under the shaking action, hot air is convenient to blow into gaps of the rubber particles, the drying effect is improved, and the filtering effect is improved along with shaking of the first sieve plate.

3. Through setting up the second sieve of slope, the decline time of extension plastic granules utilizes the exhaust vent of first sieve below can blow when plastic granules falls, because plastic granules is in single granule state basically when descending, consequently helps the promotion of stoving effect under the effect of hot-blast.

Drawings

Fig. 1 is a schematic overall structure diagram in the embodiment of the present application.

Fig. 2 is a schematic view of the internal structure in the embodiment of the present application.

Fig. 3 is an enlarged view at Q in fig. 2.

Fig. 4 is an enlarged view of fig. 2 at W.

FIG. 5 is a schematic view of the structure of the stirring plate in the embodiment of the present application.

Fig. 6 is a schematic structural view of a second screen deck in the embodiment of the present application.

Fig. 7 is an enlarged view of fig. 2 at E.

Description of reference numerals: 100. a barrel; 110. a support leg; 120. a feed hopper; 130. a discharge hopper; 140. a hot air blower; 150. a tilting table; 200. a drive assembly; 210. a motor; 220. a rotating shaft; 230. a gear ring; 240. a stirring shaft; 250. a gear; 300. a stirring member; 310. a stirring plate; 320. a rotating shaft groove; 330. a gear groove; 340. a stirring rod; 350. a chute; 400. a first screen deck; 410. a clamping block; 420. a first spring; 430. connecting blocks; 440. a card slot; 450. a transmission block; 500. a second screen deck; 510. a squeegee; 520. a connecting rod; 530. a transmission rod; 540. a connecting rod slot; 550. a slide bar slot; 560. a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7. The embodiment of the application discloses plastic granules drying equipment. Referring to fig. 1 and 2, a plastic pellet drying apparatus includes a barrel 100, a hot air blower 140, a first sieve plate 400, and a second sieve plate 500. Wherein, the bottom surface of the cylinder 100 is provided with four supporting legs 110, and the four supporting legs are respectively fixedly connected with four fixed points on the bottom surface of the cylinder 100. The barrel 100 is provided with a cavity therein, and a hopper 120 is provided on the upper surface of the barrel 100, the hopper 120 being in communication with the cavity of the barrel 100. The lower surface of barrel 100 is provided with a discharge hopper 130, the discharge hopper 130 communicating with the cavity of barrel 100. The first screening deck 400 and the first screening deck 400 are sequentially disposed in the interior cavity of the barrel 100 in a vertical direction, with the first screening deck 400 being above the second screening deck 500. The first sieve plate 400 is provided with a stirring member 300, the cylinder 100 is provided with a driving assembly 200 for driving the stirring member 300 to move, and the second sieve plate 500 is provided with a scraping assembly for pushing plastic particles to move. The air heater 140 is fixedly connected to the sidewall of the barrel 100, the air outlet pipe of the air heater 140 is provided with two air outlets, the two air outlets are both communicated with the inner cavity of the barrel 100, and the two air outlets are located at two sides of the first sieve plate 400.

Referring to fig. 1 and 2, the driving assembly 200 includes a motor 210, the motor 210 being fixedly coupled to an upper surface of the barrel 100 with an output shaft of the motor 210 directed vertically downward.

Referring to fig. 2 and 3, the agitating member 300 includes a rotating shaft 220 and four agitating plates 310. The rotating shaft 220 is coaxially and fixedly connected to an output shaft of the motor 210, and one end of the rotating shaft 220, which is far away from the motor 210, passes through the first screening plate 400 and is rotatably disposed above the first screening plate 400. The four agitating plates 310 are fixedly connected at equal intervals along the circumferential direction of the rotating shaft 220, the four agitating plates 310 are located above the first sieve plate 400, each agitating plate 310 is provided with an agitating assembly, and the barrel 100 is provided with a driving member for driving the agitating assembly to rotate.

Referring to fig. 2 and 3, the agitation assembly includes a gear 250, an agitation shaft 240, and an agitation bar 340, wherein a gear groove 330 and a rotation shaft groove 320 are opened on a surface of the agitation plate 310 facing the first screening deck 400, the rotation shaft groove 320 is positioned on a bottom surface of the gear groove 330, and the rotation shaft groove 320 is concentrically arranged with the gear groove 330. The stirring shaft 240 penetrates through the gear 250, the stirring shaft 240 is coaxially and fixedly connected with the gear 250, and the gear 250 is rotatably arranged in the gear groove 330. One end of the stirring shaft 240 is rotatably disposed in the rotation shaft groove 320, and the other end of the stirring shaft 240 is rotatably disposed above the first screen plate 400. The puddler 340 is provided with a plurality ofly, and equidistant fixed connection is on (mixing) shaft 240 for a plurality of puddlers 340, and puddler 340 is two-layer setting.

Referring to fig. 2 and 3, the driving member includes a gear ring 230, and the gear ring 230 is disposed above the first screening deck 400. And the gear ring 230 is fixedly attached to the side wall of the interior cavity of the barrel 100 and the gear ring 230 intermeshes with the gear 250.

Referring to fig. 2 and 3, a connecting block 430 is fixedly attached to a side wall of the inner cavity of the barrel 100, and the connecting block 430 is located below the first screening deck 400. A plurality of first springs 420 are fixedly connected to the upper surface of the first screening deck 400, and one ends of the plurality of first springs 420, which are far away from the connecting block 430, abut against the lower bottom surface of the first screening deck 400. Four locking grooves 440 are formed in the inner side wall of the cylinder 100, the four locking grooves 440 are uniformly arranged along the circumferential direction of the inner side wall of the cylinder 100, and the four locking grooves 440 are located above the first screen plate 400. The upper surface of the first screen plate 400 abuts against four engaging blocks 410, and the four engaging blocks 410 are respectively engaged with the four engaging grooves 440 in a one-to-one correspondence manner.

Referring to fig. 4 and 5, two driving blocks 450 are fixedly connected to an upper surface of the first screening deck 400, the two driving blocks 450 are located near a middle portion of the first screening deck 400, and the two driving blocks 450 are symmetrically disposed at both sides of the rotation shaft 220. The lower surface of each stirring plate 310 is respectively provided with a chute 350 matched with the transmission block 450, and the depth of the chute 350 is gradually reduced along the rotation direction of the stirring plate 310.

Referring to fig. 2 and 6, the circumferential side wall of the second screen plate 500 is fixedly connected with the inner cavity of the barrel 100, the second screen plate 500 is arranged obliquely, the lower end of the second screen plate 500 is close to the discharge hopper 130, and a scraping assembly is arranged on the second screen plate 500. The inclined table 150 is provided in the inner cavity of the cylinder 100, the inclined table 150 is provided on the bottom surface of the inner cavity of the cylinder 100, and the inclined surface of the inclined table 150 is provided in parallel with the inclined surface of the second screen 500.

Referring to fig. 2 and 7, the scraping assembly includes a driving rod 530, a connecting rod 520, and a scraping blade 510, and a sliding rod groove 550 is formed in the inside of the second screen deck 500 in an inclined direction of the second screen deck 500. The transmission rod 530 is slidably disposed in the slide bar groove 550, a second spring 560 is fixedly connected to an end of the transmission rod 530 near a lower end of the second screen deck 500, the second spring 560 abuts against a bottom surface of the slide bar groove 550, and the other end of the transmission rod 530 protrudes from the slide bar groove 550. The scraping plates 510 are provided in plural numbers, the plural plate scraping plates 510 are uniformly arranged along the inclination direction of the second screen deck 500, the length direction of each scraping plate 510 is perpendicular to the length direction of the driving rod 530, and the lower bottom surface of each scraping plate 510 is in contact with the upper surface of the second screen deck 500.

The second screen plate 500 is provided with a plurality of connecting rod grooves 540, the connecting rod grooves 540 are all communicated with the sliding rod grooves 550, and the connecting rod grooves 540 are in one-to-one correspondence with the scraper blades 510. The connecting rods 520 are provided in plurality, and the connecting rods 520 are respectively fixedly connected with the scrapers 510 in a one-to-one correspondence manner. Each connecting rod 520 is slidably disposed in the corresponding connecting rod slot 540, and each connecting rod 520 is fixedly connected to the sliding rod. One end of the rotating shaft 220, which is far away from the motor 210, is fixedly connected with two poke rods, each poke rod is arranged in an L shape, and the poke rods are driven by the rotating shaft 220 to slide in the sliding rods in a pushing and sliding manner.

The embodiment of the application is an implementation principle of plastic granules drying equipment: during the use, the plastic granules that the staff will need to dry are put into the cavity of barrel 100 by feeder hopper 120 in, then starter motor 210, motor 210 drives axis of rotation 220 rotatory, rotatory axis of rotation 220 drives the plastic granules on stirring board 310 stirring first sieve 400, along with stirring board 310's rotation, gear 250 and gear ring 230 intermeshing to make gear 250 drive (mixing) shaft 240 and be synchronous revolution, pivoted (mixing) shaft 240 drives puddler 340 stirring plastic granules and moves on first sieve 400.

Meanwhile, when the stirring plate 310 rotates, the transmission block 450 slides along the sliding groove 350, and along with the gradual reduction of the depth of the sliding groove 350, the transmission block 450 moves upwards along the axial direction of the rotating shaft 220 to push the first sieve plate 400 to compress the spring, after the stirring plate 310 passes over the transmission block 450, the first sieve plate 400 pushes the sieve plate to reset under the reaction force of the first spring 420, and the sieve plate is driven to shake by the characteristics of the spring, so that the rubber particles which lean against each other are loosened and fall downwards under the shaking effect.

Meanwhile, the hot air blower 140 is started, hot air is injected into the inner cavity of the machine barrel 100 through the air outlet pipe, the plastic particles are blown integrally through the air outlet hole above the first sieve plate 400, and the plastic particles can be blown when falling through the air outlet hole below the first sieve plate 400.

When the plastic particles fall on the second screen deck 500, the plastic particles slide along the second screen deck 500 under the action of gravity and fall from the meshes of the second screen deck 500 along with the sliding, wherein one part of the plastic particles flows out from the discharge hopper 130 after passing through the second screen deck 500, and the other part of the plastic particles falls on the inclined table 150 and flows out from the discharge hopper 130 along the inclined surface of the inclined table 150.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plastic granules drying equipment which characterized in that: the plastic particle stirring device comprises a machine barrel (100), wherein a cavity is formed in the machine barrel (100), a feed hopper (120) is arranged on the machine barrel (100), the feed hopper (120) is communicated with the cavity of the machine barrel (100), a discharge hopper (130) is arranged on the machine barrel (100), the discharge hopper (130) is communicated with the cavity of the machine barrel (100), a first sieve plate (400) is arranged on the machine barrel (100), the first sieve plate (400) is fixed on the side wall of the inner cavity of the machine barrel (100), the first sieve plate (400) is separated from the two sides of the feed hopper (120) and the discharge hopper (130), a stirring member (300) for stirring plastic particles on the first sieve plate (400) is arranged on the machine barrel (100), the stirring member (300) is positioned on one side of the sieve plate facing the feed hopper (120), a driving assembly (200) for driving the stirring member (300) to move is arranged on the machine barrel (100), a hot air heater (140) is arranged on the outer side of the machine barrel (100), and an air outlet pipe of the hot air heater (140) is communicated with the inner cavity of the machine barrel (100);

the stirring member (300) comprises a rotating shaft (220) and a plurality of stirring plates (310), the rotating shaft (220) is rotatably arranged on the cylinder (100), one end of the rotating shaft (220) penetrates through the first sieve plate (400), the plurality of stirring plates (310) are arranged along the circumferential direction of the rotating shaft (220), the plurality of stirring plates (310) are positioned on one side, facing the feed hopper (120), of the first sieve plate (400), each stirring plate (310) is respectively and rotatably provided with a stirring assembly, and a driving piece for driving the stirring assemblies to rotate is arranged on the cylinder (100);

the inner side wall of the machine barrel (100) is fixedly connected with a connecting block (430), the first sieve plate (400) is arranged above the connecting block (430), the inner side wall of the machine barrel (100) is detachably connected with a fixture block (410), the fixture block (410) is positioned above the first sieve plate (400), and the lower bottom surface of the fixture block (410) abuts against the first sieve plate (400);

the surface of the first sieve plate (400) facing the stirring plate (310) is fixedly connected with a transmission block (450), the surface of the stirring plate (310) facing the first sieve plate (400) is provided with a sliding groove (350) matched with the transmission block (450), the depth of the sliding groove (350) is gradually reduced along the rotation direction of the stirring plate (310), the upper surface of the connecting block (430) is fixedly connected with a first spring (420), and one end, far away from the connecting block (430), of the first spring (420) abuts against the first sieve plate (400);

be provided with second sieve (500) on barrel (100), second sieve (500) are fixed to be set up on the lateral wall of barrel (100) inner chamber, second sieve (500) are located one side of first sieve (400) stirring subassembly dorsad, the tuber pipe of air heater (140) has two exhaust vents, and two exhaust vents are located the both sides of first sieve (400).

2. The plastic particle drying apparatus according to claim 1, wherein: the driving piece is including setting up gear ring (230) on barrel (100) inner chamber lateral wall, the stirring subassembly includes gear (250) and (mixing) shaft (240), gear (250) rotate to set up on stirring board (310), gear (250) mesh mutually with gear ring (230), go up with axle center fixed connection (mixing) shaft (240) in gear (250), the one end that gear (250) were kept away from in (mixing) shaft (240) is close to first sieve (400), along a plurality of puddlers (340) of circumference direction fixedly connected with on (mixing) shaft (240).

3. The plastic particle drying apparatus according to claim 2, wherein: the driving assembly (200) comprises a motor (210), the motor (210) is fixedly connected to the machine barrel (100), and an output shaft of the motor (210) is coaxially and fixedly connected with a rotating shaft (220).

4. The plastic particle drying apparatus according to claim 3, wherein: the second sieve plate (500) is obliquely arranged, and the lower end face of the second sieve plate (500) is close to the discharge hopper (130).

5. The plastic particle drying apparatus according to claim 4, wherein: be provided with a plurality of scrapers (510) on second sieve (500), it is a plurality of scraper blade (510) slide to set up on the surface of second sieve (500) towards first sieve (400), it is a plurality of scraper blade (510) evenly arrange along the length direction of second sieve (500), every the length direction of scraper blade (510) sets up along the width direction of second sieve (500), the length direction of second sieve (500) is unanimous rather than the incline direction, still be provided with on second sieve (500) and be used for promoting the gliding promotion subassembly of a plurality of scraper blades (510).

6. The plastic particle drying apparatus according to claim 5, wherein: the promotion subassembly includes transfer line (530) and a plurality of connecting rod (520), and is a plurality of connecting rod (520) and a plurality of scraper blade (510) one-to-one, wear to establish on second sieve (500) transfer line (530), and is a plurality of the one end fixed connection that scraper blade (510) were kept away from in connecting rod (520) is on transfer line (530), the one end of transfer line (530) is stretched out by one side of second sieve (500), the other end fixedly connected with second spring (560) of transfer line (530), two poker rods of sieve and fixedly connected with are passed to the one end that motor (210) output shaft was kept away from in axis of rotation (220), two poker rods are used for promoting transfer line (530) motion.