CN110871557A

CN110871557A - Deflection supercharged plastic particle extrusion molding die head

Info

Publication number: CN110871557A
Application number: CN201911161379.3A
Authority: CN
Inventors: 陆永柱; 祝磊; 丁先虎
Original assignee: Luan Fengkaini Electromechanical Technology Co Ltd
Current assignee: Luan Fengkaini Electromechanical Technology Co Ltd
Priority date: 2019-11-24
Filing date: 2019-11-24
Publication date: 2020-03-10

Abstract

The invention provides a deflection supercharged plastic particle extrusion molding die head which comprises a floor mounting frame, a supercharged grain cutting device, a water cooling conveying device and an air drying discharging device, wherein the grounded mounting frame, the supercharged grain cutting device, the water cooling conveying device and the air drying discharging device are fixedly arranged on the mounting frame, the supercharged grain cutting device is used for receiving molten plastic discharged by a plastic grain cutting machine body and carrying out pressurization extrusion grain cutting treatment on the molten plastic, the water cooling conveying device is used for receiving plastic particles cut by the supercharged grain cutting device, carrying out water cooling on the plastic particles and conveying the plastic particles into the air drying discharging device, and the air drying discharging device is used for receiving cooled plastic particles conveyed by the water cooling conveying device and carrying out air drying discharge on the plastic particles Air-dry the discharge, promoted the convenience in use of aircraft nose.

Description

Deflection supercharged plastic particle extrusion molding die head

Technical Field

The invention relates to a plastic granulator, in particular to a deflection supercharged plastic particle extrusion molding die head.

Background

The present society is an age with more and more tense resources, so the waste utilization becomes very important, but for the plastic production industry, the plastic grain cutting machine is popular, the plastic grain cutting machine can carry out a series of processing procedures such as crushing, melting, extruding, grain cutting, cooling and the like on thermoplastic waste plastics, and the waste plastics are converted into recyclable plastic particles which are widely applicable to waste plastic film woven bags, agricultural convenient bags, basins, barrels, beverage bottles, furniture, daily necessities and the like, at present, the plastic grain cutting machine mainly comprises a plastic grain cutting machine body and a detachable machine head, wherein the plastic grain cutting machine body mainly carries out crushing and hot melting on the waste plastics, the machine head mainly carries out extruding, grain cutting, cooling and the like on the molten plastics, but because the pressure of the molten plastics in the plastic grain cutting machine body is smaller, the extrusion efficiency of the machine head is lower, with the productivity ratio of direct shadow plastic granules, in order to overcome foretell drawback, it is ingenious, the principle is simple, the operation is used conveniently to need to provide a structure, can promote the plastic grain cutting efficiency's simple pendulum formula piston pressure boost plastic granules cutting make-up head.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the single pendulum type piston pressurizing plastic particle cutting and forming machine head which is ingenious in structure, simple in principle, convenient to operate and use and capable of improving the plastic granulating efficiency.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

Beat booster-type plastic granules extrusion molding die head, it is including the mounting bracket that falls to the ground, the grain device is cut in the pressure boost, water-cooling conveyor and air-dry the equal fixed setting of discharge device are on the mounting bracket, the grain device is cut in the pressure boost is used for accepting plastics pelleter body exhaust melting plastics and to its pressurization extrusion eager grain processing, water-cooling conveyor is used for accepting the plastic granules that the grain device cutting was cut in the pressure boost and at first carry out water-cooling to it, then carry it to air-dry in the discharge device, air-dry the discharge device and be used for accepting the plastic granules after the cooling that water-cooling conveyor carried and air-dry the discharge to it.

As a further optimization or improvement of the present solution.

The grain device is cut in pressure boost include pressure boost mechanism, check valve, actuating mechanism and cutting knife, pressure boost mechanism includes that the pressure boost section of thick bamboo and the pressure boost section of thick bamboo that both ends opening arranged can carry out the seesaw about including, the inner chamber of pressure boost section of thick bamboo includes pressurization portion A and crowded material portion B, pressurization portion A is located crowded material portion B's top and pressurization portion A's diameter is greater than crowded material portion B's diameter, be provided with in the pressure boost section of thick bamboo with the cylindricality piston of pressurization portion A looks adaptation and piston and pressure boost section of thick bamboo constitute sealed sliding guide cooperation, the piston deviates from crowded material portion B one end coaxial fixed be provided with extend to the outside push rod of pressure boost section of thick bamboo, the left and right sides of pressure boost section of thick bamboo all is provided with mounting bracket fixed connection and upright backup pad of arranging, pressure boost section of thick bamboo is provided with a rotary drum one along its, The other end of the pressure cylinder is fixedly connected and matched with the outer circular surface of the pressure cylinder, a second rotary cylinder is arranged between the other side of the middle position of the pressure cylinder along the length direction of the pressure cylinder and the other support plate, the second rotary cylinder and the second rotary cylinder are coaxially arranged, the axis of the second rotary cylinder is perpendicular to the axis of the pressure cylinder, one end of the second rotary cylinder is coaxially and rotatably connected and matched with the support plate, the other end of the second rotary cylinder is fixedly connected and matched with the outer circular surface of the pressure cylinder and communicated with the middle position of the pressure part A, the support plate close to one side of the second rotary cylinder is fixedly provided with a butt joint pipe, the input end of the butt joint pipe is communicated with the plastic granulator body, the output end of the butt joint pipe is communicated with the input end of the second rotary cylinder, the two ends of the butt joint pipe are rotatably.

As a further optimization or improvement of the present solution.

The one-way valve is matched with an opening at the lower end of the pressurizing cylinder, the one-way valve is set to be in a plugging state and a conducting state which can be mutually switched, the initial state is the plugging state, and when the piston slides towards the inside of the pressurizing cylinder, the one-way valve is in the plugging state; when the piston slides towards the outside of the pressurizing cylinder, the one-way valve is in a conducting state, the driving mechanism is used for driving the piston to slide back and forth along the pressurizing cylinder on one hand, and is used for driving the pressurizing cylinder to swing back and forth around the axial direction of the first rotating cylinder on the other hand, and the cutting knife is matched with the extrusion hole and carries out particle cutting treatment on extruded plastic along with the back and forth swing of the pressurizing cylinder.

As a further optimization or improvement of the present solution.

The check valve comprises a sealing plug which is in sealing connection and matching with an opening at the lower end of a pressurizing cylinder, a hollow cylindrical valve sleeve which is coaxially arranged with the pressurizing cylinder and extends into a material extruding part B of the pressurizing cylinder is fixedly arranged on the sealing plug, openings at two ends of the valve sleeve are arranged, the diameter of a bottom end opening penetrating through the valve sleeve is smaller than that of the inner circular surface of the material extruding part B of the pressurizing cylinder, the valve sleeve and the sealing plug are fixedly connected into a whole, a valve rod which forms a sealing type sliding guide fit with the valve sleeve is arranged in the valve sleeve in a penetrating mode, one end of the valve rod penetrates out from the top end of the valve sleeve and is coaxially and fixedly provided with a conical limiting table I, the other end of the valve rod penetrates out from the bottom end of the valve sleeve and is coaxially and fixedly sleeved with an annular limiting table II, the diameters of the limiting table I and the limiting table II are larger than that of, the pressure release hole is provided with a plurality ofly and arrange along valve rod place circumferencial direction array, and under the shutoff state, the valve barrel carries out the shutoff to the pressure release hole, offer on the lower terminal surface of sealing plug with the valve rod coaxial arrange and open-down circular interior heavy groove, the diameter of interior heavy groove is greater than the diameter of valve rod, the outside movable sleeve of valve rod is equipped with pressure spring, pressure spring one end is contradicted with the tank bottom of interior heavy groove, the other end is contradicted with spacing platform two and pressure spring's elasticity is the directional spacing platform two of tank bottom by interior heavy groove all the time.

As a further optimization or improvement of the present solution.

The driving mechanism comprises a main motor fixedly arranged at the top of a supporting plate, the axial direction of an output shaft of the main motor is parallel to the axial direction of a first rotating cylinder, a rocker is fixedly sleeved on the output shaft of the main motor, the driving mechanism also comprises a first driving block connected with the side surface of a pressurizing cylinder close to an opening at the top end of the pressurizing cylinder, the first driving block is provided with two driving blocks and fixedly connected with the left side and the right side of the pressurizing cylinder, the first driving block is positioned between the two supporting plates and provided with a first flat groove which penetrates left and right, the first flat groove is positioned above the pressurizing cylinder, the length direction of the first flat groove is parallel to the axial direction of the pressurizing cylinder, the rocker is movably inserted in the first flat groove and forms sliding guide fit with the first flat groove, the driving mechanism also comprises a second driving block arranged between the two driving blocks, a push rod is fixedly connected with the lower end surface of the second driving block, the length direction of the second flat groove, the rocker is movably inserted in the second flat groove and forms sliding guide fit with the second flat groove.

As a further optimization or improvement of the present solution.

Be provided with the mount that is located a pressure boost section of thick bamboo below on the mounting bracket, the cutting knife is upright fixed to be set up on the mount, and the cutting knife sets up to slice and two sides and is the cutting edge, and the cutting knife is provided with two and is located one side of controlling of a pressure boost section of thick bamboo respectively, fixed being provided with on the plane rather than the rectangle butt joint piece of adaptation, set up on the butt joint piece with extrude the butt joint hole of hole one-to-one switch-on, cutting knife and butt joint piece are laminated mutually under the initial.

As a further optimization or improvement of the present solution.

The fixed frame on be fixed with the baffle of vertical arrangement, the baffle be provided with two and be respectively for the pressurization section of thick bamboo near one side of its bottom, two baffle covers locate butt joint hole one side and form the opening downwards and the rectangle opening that narrows down gradually.

As a further optimization or improvement of the present solution.

The water flow conveying device comprises a water cooling mechanism for cooling plastic particles and a conveying mechanism for conveying the cooled plastic particles to an air-drying discharging device, wherein the water cooling mechanism comprises a rectangular hopper with an upward opening, the opening size of the hopper is gradually increased from bottom to top along the vertical direction, the hopper is positioned under a baffle and fixedly connected with a mounting frame, a middle water pipe is arranged on the side surface of the hopper close to the opening of the hopper, one end of the middle water pipe is open and communicated with a water inlet pipeline, the other end of the middle water pipe is closed, a water discharging pipeline is communicated with the outer circumferential surface of the middle pipeline, the output end of the water discharging pipeline extends into the hopper, a plurality of water discharging pipelines are arranged along the axial array of the middle pipeline, a three-way pipe is arranged between the two water inlet pipelines, the input end of the three-way pipe is connected with tap water, one output end of the three-way, The other output end is connected and communicated with the input end of the other water inlet pipe;

the conveying mechanism comprises a conveying pipeline which is connected and communicated with the bottom of the hopper, the conveying pipeline is axially and horizontally arranged, the output end of the conveying pipeline is connected and provided with a ninety-degree bent pipe, the output end of the bent pipe is vertically and downwards inserted into the air-drying discharging device, and a packing auger matched with the conveying pipeline is coaxially and rotatably arranged in the conveying pipeline;

the water filter device is characterized in that a plurality of water filtering holes are formed in the bottom of the outer circular surface of one end, close to the output end, of the conveying pipeline, an outer discharging pipe is fixedly arranged on the conveying pipeline, the input end of the outer discharging pipe is in butt joint with the water filtering holes, the output end of the outer discharging pipe points to a sewer, and tap water falls from the water filtering holes and is discharged to the sewer through the outer discharging pipe.

As a further optimization or improvement of the present solution.

The hopper on fixed be provided with the coaxial transition dish of arranging of auger, the opening part of transition dish is provided with rather than sealing cover of sealing connection, the drive end activity of auger pivot passes the hopper and extends to in the transition dish and this end coaxial fixed cover is equipped with turbine blade, transition dish connect switch-on be provided with on the inlet channel and the inlet channel will drive turbine blade and carry out single direction rotation by the running water of its input flow direction its output.

As a further optimization or improvement of the present solution.

The air-drying discharging device comprises a cylindrical air-drying cover which is arranged with openings at the upper end and the lower end and is vertical in the axial direction, a circular end cover which is matched with the air-drying cover is fixedly arranged at the opening at the upper end of the air-drying cover, a rotating disc is coaxially and rotatably arranged at the lower end face of the end cover, a circular filter plate is coaxially and fixedly arranged at the lower end face of the rotating disc, a plurality of pores are formed in the filter plate, the outer circular face of the filter plate is movably attached to the inner circular face of the air-drying cover, a speed reducing motor is fixedly arranged on the upper end face of the end cover, the output end of the speed reducing motor is coaxially and fixedly connected with the rotating disc, the air-drying discharging device also comprises a mounting cover which is arranged above the speed reducing motor, the mounting cover is horizontally arranged in the axial direction, an air inlet, an air pipe used for connecting and connecting the air outlet of the installation cover and the air drying cover is arranged between the air outlet of the installation cover and the air drying cover, the input end of the air pipe is connected and connected with the air outlet of the installation cover, the output end of the air pipe is connected and connected with the end cover and penetrates into the air drying cover, the output end of the bending pipe is inserted into the air drying cover, and the output end of the bending pipe and the output end of the air pipe are respectively positioned on one side of;

the outer disc of air-drying cover is gone up to fix and is provided with the material discharge passageway of rectangle platykurtic, material discharge passageway's input and air-drying cover are connected the switch-on, the directional windrow point of output and by the directional output downward sloping arrangement gradually of its input, material discharge passageway's input feed inlet flushes with the up end of filter mutually, material discharge passageway's input feed inlet department is fixed and is provided with the rectangle stripper, stripper width direction is on a parallel with the axial of air-drying cover, stripper one end is pegged graft on the lateral wall of fixed and material discharge passageway's input feed inlet department and this side wall is the filter along one side lateral wall of direction of rotation, laminate on the outer disc of the other end and rolling disc, will be along with the rotation of filter along with the output of tuber pipe in proper order by.

As a further optimization or improvement of the present solution.

The air-drying discharge device also comprises an interception component which is positioned at one side of the output end of the bending pipe along the rotation direction of the filter plate, the interception component comprises a fixed plate fixedly sleeved on the bending pipe, the fixed plate is positioned above the filter plate and is parallel to the filter plate, one side of the fixed plate along the rotation direction of the filter plate is rotatably provided with a rectangular interception plate, the axial direction of a rotation shaft formed by the rotation connection part of the interception plate and the filter plate is parallel to the plane of the filter plate, one end of the interception plate along the length direction extends to the position of the rotating disc, the other end of the interception plate extends to the inner circular surface of the air-drying cover, the interception plate is arranged along the width direction and the distance between the interception plate and the filter plate is gradually reduced along the rotation direction of the filter plate, the distance between the interception plate and the filter plate can contain a single layer of plastic particles to pass, the threaded rod is sleeved with a pressure regulating hammer, and the pressure regulating hammer is in threaded connection and matching with the threaded rod.

Compared with the prior art, the plastic granulator has the advantages of ingenious structure, simple principle and convenience in operation and use, the extrusion speed of the molten plastic is improved by receiving and pressurizing the molten plastic in the plastic granulator body, the extruded plastic is subjected to efficient granulation treatment by the relative movement of the simple pendulum of the pressurizing cylinder and the fixed cutting knife, and the plastic particles are discharged by water cooling and air drying, so that the use convenience of the machine head is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

FIG. 3 is a diagram of a pressurized pelletizer apparatus in combination with a mounting frame.

Fig. 4 is a schematic structural view of the pressurized pelletizing apparatus.

Fig. 5 is a schematic structural view of the pressurization mechanism.

Fig. 6 is a partial structural schematic view of the pressurization mechanism.

Fig. 7 is a partial structural schematic view of the pressurization mechanism.

Fig. 8 is a partial cross-sectional view of the pressurization mechanism.

Fig. 9 is a partial structural schematic view of the pressurization mechanism.

Fig. 10 is a partial structural schematic view of the pressurization mechanism.

Fig. 11 is a schematic structural view of the check valve.

FIG. 12 is a cross-sectional view of the check valve.

Fig. 13 is a schematic structural view of the check valve.

Fig. 14 is a diagram showing the driving mechanism and the pressurizing mechanism.

Fig. 15 is a diagram showing the driving mechanism and the pressurizing mechanism.

Fig. 16 is a diagram showing the driving mechanism and the pressurizing mechanism.

Fig. 17 is a diagram showing the driving mechanism and the pressurizing mechanism.

Fig. 18 is a view showing the engagement of the pressurizing mechanism with the cutter.

Fig. 19 is a view showing the engagement of the pressurizing mechanism with the cutter.

Fig. 20 is a schematic structural view of a cutting knife.

FIG. 21 is a schematic view of a water-cooled conveying apparatus and a pressurized pelletizing apparatus.

Fig. 22 is a schematic structural view of the water-cooled conveying apparatus.

Fig. 23 is a schematic structural view of the water cooling mechanism.

FIG. 24 is a view showing the water cooling mechanism and the conveying mechanism.

Fig. 25 is a sectional view of the conveying mechanism.

Fig. 26 is a diagram showing the conveyance mechanism and the water cooling mechanism.

Fig. 27 is a partial structural schematic view of the conveying mechanism.

Fig. 28 is a partial structural view of the conveying mechanism.

Fig. 29 is a partial structural view of the conveying mechanism.

FIG. 30 is a schematic view of the conveyor mechanism and the air drying and discharging device.

FIG. 31 is a schematic view of a partial structure of the air drying and discharging device.

FIG. 32 is a schematic view of the air drying and discharging device.

FIG. 33 is a schematic view of a partial structure of the air drying and discharging device.

FIG. 34 is a view of the engagement of the damming member with the bending tube.

Fig. 35 is a schematic structural view of the intercepting member.

Labeled as:

100. a mounting frame;

200. a pressurizing and granulating device; 210. a pressurization mechanism; 211. a pressurizing cylinder; 212. a piston; 213. a push rod; 214. a support plate; 215. rotating a drum I; 216. a second rotating drum; 217. butt-joint pipes; 218a, a plane; 218b, extrusion orifices; 219a, a docking block; 219b, a docking hole; 220. a one-way valve; 221. a sealing plug; 222. a valve housing; 223. a valve stem; 224. a pressure relief vent; 225. a first limiting table; 226. an inner sinking groove; 227. a second limiting table; 228. a compression spring; 230. a drive mechanism; 231. a main motor; 232. a rocker; 233. a first driving block; 234. a first flat groove; 235. a second driving block; 236. a flat groove II; 240. a cutting knife; 241. a fixed mount; 242. a baffle plate;

300. a water-cooled conveying device; 310. a water cooling mechanism; 311. a hopper; 312. an intermediate pipeline; 313. a water discharge pipeline; 314. a water inlet pipe; 315. a three-way pipe; 320. a conveying mechanism; 321. a delivery conduit; 322. bending the tube; 323. a packing auger; 324. water filtering holes; 325. an outer discharge pipe; 326. a transition disk; 327. a sealing cover; 328. a turbine blade;

400. air-drying the discharging device; 401. air drying the cover; 402. an end cap; 403. rotating the disc; 404. a filter plate; 405. a reduction motor; 406. a support; 407. mounting a cover; 408. a fan; 409. an air duct; 410. a discharge channel; 411. a stripper plate; 420. an intercepting member; 421. a fixing plate; 422. a interception plate; 423. a threaded rod; 424. a pressure regulating hammer.

Detailed Description

Referring to fig. 1-35, beat booster-type plastic granules extrusion molding die head, it includes the mounting bracket 100 that falls to the ground, pressure boost grain cutting device 200, water-cooling conveyor 300 and air-dry discharge device 400 all fix and set up on mounting bracket 100, pressure boost grain cutting device 200 is used for accepting the discharged molten plastics of plastic grain cutting machine body and pressurizes it and extrude the grain cutting and handle, water-cooling conveyor 300 is used for accepting the plastic granules of pressure boost grain cutting device 200 cutting and at first carries out water-cooling to it, then carry it to air-dry in the discharge device 400, air-dry discharge device 400 is used for accepting the cooled plastic granules that water-cooling conveyor 300 carried and air-dries the discharge to it.

The pressurizing and pelletizing device 200 comprises a pressurizing mechanism 210, a one-way valve 220, a driving mechanism 230 and a cutting knife 240, wherein the pressurizing mechanism 210 comprises a pressurizing cylinder 211 with openings at the upper end and the lower end, the pressurizing cylinder 211 can swing back and forth, the inner cavity of the pressurizing cylinder 211 comprises a pressurizing part A and a material extruding part B, the pressurizing part A is positioned above the material extruding part B, the diameter of the pressurizing part A is larger than that of the material extruding part B, a cylindrical piston 212 matched with the pressurizing part A is arranged in the pressurizing cylinder 211, the piston 212 and the pressurizing cylinder 211 form a sealed sliding guide fit, one end of the piston 212, which is far away from the material extruding part B, is coaxially and fixedly provided with a push rod 213 extending to the outside of the pressurizing cylinder 211, in order to facilitate the movable installation of the pressurizing cylinder 211, the left side and the right side of the pressurizing cylinder 211 are respectively provided with a supporting plate 214 which is fixedly connected with the mounting frame 100 and vertically arranged, a rotating cylinder 215 is, one end of the first rotating drum 215 is coaxially and rotatably connected and matched with the supporting plate 214, the other end of the first rotating drum 215 is fixedly connected and matched with the outer circular surface of the pressurizing cylinder 211, a second rotating drum 216 is arranged between the other side of the middle position of the pressurizing cylinder 211 along the length direction and the other supporting plate 214, the second rotating drum 216 is coaxially arranged with the first rotating drum 215, the axis of the second rotating drum 216 is vertically intersected with the axis of the pressurizing cylinder 211, one end of the second rotating drum 216 is coaxially and rotatably connected and matched with the supporting plate 214, the other end of the second rotating drum 216 is fixedly connected and matched with the outer circular surface of the pressurizing cylinder 211 and communicated with the middle position of the pressurizing part A, the supporting plate 215 close to one side of the second rotating drum 216 is fixedly provided with an abutting pipe 217, the input end of the abutting pipe 217 is communicated with the plastic granulator body, the output end of the abutting pipe is communicated with the input end of the second rotating drum 216, and the, the flat surface 218a is provided with a plurality of extruding holes 218b communicating with the inside of the pressurizing cylinder 211, and the molten plastic in the pressurizing cylinder 211 is pressurized and extruded outward through the extruding holes 218b by the piston 212 sliding toward the inside of the pressurizing cylinder 211.

Specifically, the check valve 220 is matched with the lower end opening of the pressurizing cylinder 211, the check valve 220 is set to be in a blocking state and a conducting state which can be switched mutually, the initial state is the blocking state, and when the piston 212 slides towards the inside of the pressurizing cylinder 211, the check valve 220 is in the blocking state; when the piston 212 slides towards the outside of the pressurizing cylinder 211, the one-way valve 220 is in a conducting state, the driving mechanism 230 is used for driving the piston 212 to slide back and forth along the pressurizing cylinder 211 on one hand and driving the pressurizing cylinder 211 to swing back and forth around the axial direction of the first rotating cylinder 215 on the other hand, and the cutting knife 240 is matched with the extrusion hole 218b and carries out the cutting processing on the extruded plastic along with the back and forth swing of the pressurizing cylinder 211.

The check valve 220 comprises a sealing plug 221 which is in sealing connection and matching with an opening at the lower end of the pressurizing cylinder 211, a hollow cylindrical valve sleeve 222 which is coaxially arranged with the pressurizing cylinder 211 and extends into the extruding part B of the pressurizing cylinder 211 is fixedly arranged on the sealing plug 221, openings at two ends of the valve sleeve 222 are arranged, the diameter of the opening at the bottom end penetrating through the valve sleeve 222 of the sealing plug 221 is smaller than that of the inner circular surface of the extruding part B of the pressurizing cylinder 211, the valve sleeve 222 is fixedly connected with the sealing plug 221 into a whole, a valve rod 223 which forms a sealing sliding guide matching with the valve sleeve 222 penetrates through the valve sleeve 222, one end of the valve rod 223 penetrates through the top end of the valve sleeve 222 and is coaxially and fixedly provided with a conical first limit platform 225, the other end of the valve rod 223 penetrates through the bottom end of the valve sleeve 222 and is coaxially and fixedly sleeved with an annular second limit platform 227, the diameters of the, The bottom end of the valve rod 223 is provided with a pressure relief hole 224 communicated with the inside of the valve rod 223, the pressure relief hole 224 is provided with a plurality of pressure relief holes and is arranged in an array mode along the circumferential direction where the valve rod 223 is located, in the blocking state, in order to enable the first limiting platform 225 to be abutted to the valve sleeve 222, the valve sleeve 222 blocks the pressure relief hole 224, the lower end face of the sealing plug 221 is provided with a circular inner sunken groove 226 which is coaxially arranged with the valve rod 223 and is downward in opening, the diameter of the inner sunken groove 226 is larger than that of the valve rod 223, the outer portion of the valve rod 223 is movably sleeved with a compression spring 228, one end of the compression spring 228 is abutted to the groove bottom of the inner sunken groove 226, the other end of the compression spring is abutted to the second limiting platform 227, and the elastic.

When the one-way valve 220 slides towards the pressurizing cylinder 211 in the working process, the one-way valve 220 is in a blocking state, and the molten plastic in the pressurizing cylinder 211 is compacted and expanded and is extruded from the extruding hole 218 b; when the piston 212 slides towards the outside of the pressurizing cylinder 211, the pressure of the extruding part B of the pressurizing cylinder 211 is reduced and is lower than the outside atmospheric pressure, under the action of the atmospheric pressure, the valve rod 223 slides upwards along the valve sleeve 222 against the elastic force of the pressing spring 228, the pressure relief hole 224 moves to the outside of the valve sleeve 222, the valve sleeve 222 unblocks the pressure relief hole 224, and the outside air enters the pressurizing cylinder 211 through the valve rod 223 and the pressure relief hole 224 to realize pressure relief of the inside of the pressurizing cylinder.

The driving mechanism 230 comprises a main motor 231 fixedly arranged at the top of the supporting plate 214, the axial direction of the output shaft of the main motor 231 is parallel to the axial direction of the first rotating cylinder 215, a rocker 232 is fixedly sleeved on the output shaft of the main motor 231, in order to drive the pressurizing cylinder 211 to swing back and forth, the driving mechanism 230 further comprises a first driving block 233 connected with the side surface of the pressurizing cylinder 211 close to the opening at the top end thereof, the first driving block 233 is provided with two parts and fixedly connected with the left side and the right side of the pressurizing cylinder 211, the first driving block 233 is positioned between the two supporting plates 214, the first driving block 233 is provided with a first flat slot 234 penetrating through from left to right, the first flat slot 234 is positioned above the pressurizing cylinder 211, the length direction of the first flat slot 234 is parallel to the axial direction of the pressurizing cylinder 211, the rocker 232 is movably inserted in the first flat slot 234 and forms sliding guide fit with the rocker 232, in order to drive the piston 212 to slide along the pressurizing cylinder, the push rod 213 is fixedly connected with the lower end face of the second driving block 235, the length direction of the second flat groove 236 which is provided with the second flat groove 236 which penetrates through the second driving block 235 from left to right is perpendicular to the axial direction of the pressurizing cylinder 211, the rocker 232 is movably inserted into the second flat groove 236 and forms sliding guide fit with the second flat groove, the swinging driving of the pressurizing cylinder 211 is realized through the swinging of the rocker 232, the sliding driving of the piston 212 is realized, and the two are synchronously performed.

In order to facilitate the cutting knife 240 to cut extruded plastic into particles, a fixing frame 241 located below the pressurizing cylinder 211 is arranged on the mounting frame 100, the cutting knife 240 is vertically and fixedly arranged on the fixing frame 241, the cutting knife 240 is arranged into a sheet shape, two sides of the cutting knife 240 are cutting edges, the cutting knife 240 is arranged on two sides and is located on the left side and the right side of the pressurizing cylinder 211 respectively, a rectangular butt joint block 219a matched with the cutting knife 240 is fixedly arranged on the plane 218a, butt joint holes 219b communicated with the extrusion holes 218b in a one-to-one correspondence are formed in the butt joint block 219a, the cutting knife 240 is attached to the butt joint block 219a in an initial state, and the extruded plastic is made to contact with the cutting knife 240.

Specifically, in order to guide the plastic particles cut by the cutting knife 240 to fall into the horizontal conveying device 300, the fixing frame 241 is fixedly provided with two vertically arranged baffles 242, the baffles 242 are provided with two sides which are respectively close to the bottom ends of the pressurizing cylinders 211, the two baffles 242 cover the side of the abutting hole 219b and form a rectangular opening with a downward opening and a gradually narrowing opening, the plastic particles are restrained by the baffles 242 to avoid splashing, and meanwhile, the plastic particles are guided to fall into the water-cooling conveying device 300.

In the working process, the butt joint pipe 217 in the pressurizing mechanism 210 is in butt joint with the plastic granulator body, the plastic granulator body carries out hot melting on waste plastics and extrudes the waste plastics into the butt joint pipe 217, the molten plastics flow into the pressurizing cylinder 211 through the transmission of the rotating second 216, at the moment, the main motor 231 is started to rotate, the main motor 231 drives the rocker 232 to rotate, the rocker 232 is matched with the flat groove I234 and the flat groove II 236 and drives the piston 212 to slide back and forth along the pressurizing cylinder 211, meanwhile, the pressurizing cylinder 211 is driven to swing back and forth around the axial direction of the rotating cylinder I215, when the piston 212 slides towards the pressurizing cylinder 211, the molten plastics in the pressurizing cylinder 211 are extruded towards the extruding part B, the pressure of the molten plastics is increased and extruded out through the butt joint hole 219B, the extruded strip plastics move relative to the cutting knife 240 along with the back and forth swing of the pressurizing cylinder 211, the cutting knife 240 cuts the extruded strip-shaped plastic, so that the extruded strip-shaped plastic is cut into plastic particles and falls down between the two baffles 242; when the piston 212 slides towards the outside of the pressurizing cylinder 211, the one-way valve 220 is automatically switched from a blocking state to a conducting state and releases pressure in the pressurizing cylinder 211, so that the pressurizing, extruding and granulating treatment of molten plastic are realized in a reciprocating manner, then, plastic particles fall into the water-cooling conveying device 300, the water-cooling conveying device 300 cools the plastic particles by water cooling and filters tap water and then conveys the filtered tap water to the air-drying discharge device 400, and the air-drying discharge device 400 dries and discharges outwards the wet plastic particles for collection.

The water flow conveying device 300 comprises a water cooling mechanism 310 for cooling plastic particles and a conveying mechanism 320 for conveying the cooled plastic particles to the air drying discharging device 400, wherein the water cooling mechanism 310 comprises a rectangular hopper 311 with an upward opening, the opening size of the hopper 311 is gradually increased from bottom to top along the vertical direction, the hopper 311 is positioned under the baffle 242 and is fixedly connected with the mounting frame 100, a middle water pipe 312 is arranged on the side surface of the hopper 311 close to the opening of the hopper 311, one end of the middle water pipe 312 is arranged in an open manner and is communicated with a water inlet pipeline 314, the other end of the middle water pipe 312 is arranged in a closed manner, a plurality of water outlet pipelines 313 are communicated with the outer circumferential surface of the middle pipeline 312, the output ends of the water outlet pipelines 313 extend into the hopper 311, the water outlet pipelines 313 are arranged along the axial direction of the middle pipeline 312 in an array manner, a three-way pipe 315 is arranged between the two water inlet pipelines 314, the input end of the three-way pipe 315 is connected and communicated with tap water, one output end of the three-way pipe 315 is connected and communicated with the input end of one water inlet pipe 313, the other output end of the three-way pipe is connected and communicated with the input end of the other water inlet pipe 313, the tap water is discharged towards the interior of the hopper 311 through the water discharge pipeline 313, and the plastic particles falling into the hopper 311 are cooled.

Specifically, in order to be able to air-dry the plastic granules in the hopper 311 towards the discharge device 400 and carry, the conveying mechanism 320 include the axial level of the pipeline 321 and the pipeline 321 that are connected and put through with the hopper 311 bottom and arrange, the output of pipeline 321 is connected and is provided with ninety degrees bent pipe 322, bent pipe 322's output is vertical to be inserted downwards to air-drying the discharge device 400 in, coaxial rotation is provided with the auger 323 rather than the adaptation in the pipeline 321, rotate through driving the auger 323, the plastic granules after will cooling towards air-drying the discharge device 400 and carry.

More specifically, in order to separate the plastic particles from the tap water, the bottom of the outer circular surface of the delivery pipe 321 near one end of the output end thereof is provided with a plurality of water filtering holes 324, an outer drainage pipe 325 is fixedly arranged on the delivery pipe 321, the input end of the outer drainage pipe 325 is in butt joint with the water filtering holes 324, the output end of the outer drainage pipe is directed to a sewer, and the tap water falls from the water filtering holes 324 and is discharged to the sewer through the outer drainage pipe 325.

More specifically, in order to drive the screw 323 to rotate, the hopper 311 is fixedly provided with a transition disc 326 coaxially arranged with the screw 323, an opening of the transition disc 326 is provided with a sealing cover 327 hermetically connected with the transition disc, a driving end of a rotating shaft of the screw 323 movably penetrates through the hopper to extend into the transition disc 326, the end is coaxially and fixedly sleeved with a turbine blade 327, the transition disc 326 is connected and communicated with a water inlet pipe 314, tap water flowing from an input end of the water inlet pipe 314 to an output end of the water inlet pipe drives the turbine blade 328 to rotate in a single direction, and the screw 323 is driven to rotate by the turbine blade 328.

During the operation of the water-cooled conveying device 300, the cut plastic particles fall freely and fall into the hopper 311, at the same time, tap water is discharged into the hopper 311 through the three-way pipe 315, the water inlet pipe 314, the intermediate pipe 312 and the water discharge pipe 313 in sequence, the tap water and the plastic particles complete heat exchange in the hopper 311 and the plastic particles are cooled and solidified, during the process, the water pressure of the tap water forces the turbine blade 328 to rotate and drives the packing auger 323 to rotate, the packing auger 323 stirs and conveys the tap water and the plastic particles, the tap water flows into the outer discharge pipe 325 through the water filtering holes 324 and flows into a sewer, and the wet plastic particles are discharged into the air-drying discharge device 400 through the bent pipe 322.

In order to air-dry wet plastic particles, the air-drying discharge device 400 comprises a cylindrical air-drying cover 401 which is arranged with openings at the upper and lower ends and is vertical in the axial direction, a circular end cover 402 which is matched with the air-drying cover 401 is fixedly arranged at the opening at the upper end of the air-drying cover 401, a rotating disc 403 is coaxially and rotatably arranged at the lower end face of the end cover 402, a circular filter plate 404 is coaxially and fixedly arranged at the lower end face of the rotating disc 403, a plurality of pores are formed in the filter plate 404, the outer circular face of the filter plate 404 is movably attached to the inner circular face of the air-drying cover 401, a speed reducing motor 405 is fixedly arranged on the upper end face of the end cover 402, the output end of the speed reducing motor 405 is coaxially and fixedly connected with the rotating disc 403, the air-drying discharge device 400 further comprises a mounting cover 407 which is arranged above the speed reducing motor 405, the mounting cover 407 is, the fixed support 406 that is used for supporting installation cover 407 that is provided with between installation cover 407 and the mounting bracket 100, installation cover 407's air exit and air-dry cover 401 between be provided with the tuber pipe 409 that is used for connecting between them, the input of tuber pipe 409 and installation cover 407's air exit connect-through, the output is connected the switch-through with end cover 402 and runs through to air-dry cover 401 in, the output of bending tube 322 is pegged graft in air-dry cover 401 and bending tube 322's output and tuber pipe 409 output are located one side of rolling disc 403 respectively, rotate slowly through drive filter 404, make the moist plastic granules on the filter 404 accept the air-blowing dry.

Specifically, in order to discharge the air-dried plastic particles, a rectangular flat discharge channel 410 is fixedly arranged on the outer circumferential surface of the air drying cover 401, the input end of the discharge channel 410 is connected with the air drying cover 401, the output end of the discharge channel points to a stacking point and is gradually arranged from the input end to the output end in a downward inclined manner, the input end feed port of the discharge channel 401 is flush with the upper end surface of the filter plate 404, a rectangular discharge plate 411 is fixedly arranged at the input end feed port of the discharge channel 401, the width direction of the discharge plate 411 is parallel to the axial direction of the air drying cover 401, one end of the discharge plate 411 is inserted into the side wall fixed at the input end feed port of the discharge channel 401, the side wall is a side wall of the filter plate 404 along the rotation direction, the other end of the discharge plate is attached to the outer circumferential surface of the rotating disc 403, and the plastic particles discharged from the bending tube 322 sequentially, The discharge channel 410 is fed in at the input end.

More specifically, two stacking phenomena are easily generated on the plastic particles discharged from the bending pipe 322, which will affect the air drying effect on the wet plastic particles, in order to flatten the plastic particles on the filter plate 404 in a single layer, the air drying discharge device 400 further includes an intercepting member 420, the intercepting member 420 is located at one side of the output end of the bending pipe 322 along the rotation direction of the filter plate 404, the intercepting member 420 includes a fixing plate 421 fixedly sleeved on the bending pipe 322, the fixing plate 421 is located above the filter plate 404 and is parallel to each other, the fixing plate 421 is rotatably provided with a rectangular interception plate 422 along one side of the rotation direction of the filter plate 404, the axial direction of the rotation shaft formed by the rotatable connection of the interception plate 422 and the filter plate 404 is parallel to the plane of the filter plate 404, one end of the interception plate 422 along the length direction extends to the rotating disc 403, and the other end extends to the inner circumferential surface of the air, the intercepting plate 422 is arranged along the width direction of the intercepting plate 422, the distance between the intercepting plate 422 and the filter plate 404 is gradually reduced along the rotating direction of the filter plate 404, a single layer of plastic particles can pass through the distance between the intercepting plate 422 and the filter plate 404, in order to adjust the intercepting performance of the intercepting plate 422 on the plastic particles, a threaded rod 423 perpendicular to the threaded rod is fixedly arranged on the upper end face of the intercepting plate 422, a pressure regulating hammer 424 is sleeved on the threaded rod 423, the pressure regulating hammer 424 is in threaded connection and matching with the threaded rod 423, the thrust required by the upward rotation of the intercepting plate 422 is increased by increasing the distance between the pressure regulating hammer 424 and the intercepting plate 422, and therefore the intercepting plate 422 is ensured to intercept the plastic particles on the upper portions of two overlapped plastic particles and enable the plastic particles to slide down.

In the working process of the air-drying discharge device 400, the bending pipe 322 discharges wet plastic particles to the filter plate 404, the speed reduction motor 405 drives the filter plate 404 to rotate slowly, the filter plate 404 drives the plastic particles to rotate synchronously, the intercepting member 420 enables the plastic particles to be spread on the filter plate 404 in a single layer, the fan 408 enables air to flow rapidly and blows out the wet plastic particles on the filter plate 404 through the output end of the air pipe 409 to be air-dried, and along with the rotation of the filter plate 404, the discharge plate 411 blocks the air-dried plastic particles and enables the air-dried plastic particles to enter the discharge channel 410 to be discharged outwards.

Claims

1. Beat booster-type plastic granules extrusion molding die, its characterized in that: the plastic particle cooling and cooling device comprises a mounting frame, a pressurizing and granulating device, a water-cooling conveying device and an air-drying discharging device, wherein the mounting frame is grounded, the pressurizing and granulating device, the water-cooling conveying device and the air-drying discharging device are fixedly arranged on the mounting frame, the pressurizing and granulating device is used for receiving molten plastic discharged by a plastic granulator body and performing pressurizing, extruding and granulating treatment on the molten plastic, the water-cooling conveying device is used for receiving plastic particles cut by the pressurizing and granulating device, performing water-cooling, cooling and cooling on the plastic particles at first, conveying the plastic particles into the air-drying discharging device, and the air-drying discharging device is used for receiving cooled plastic particles conveyed by the water-cooling conveying device and performing air;

granule device is cut in pressure boost include booster mechanism, check valve, actuating mechanism and cutting knife, booster mechanism includes that the pressure cylinder and the pressure cylinder that both ends opening arranged can carry out the seesaw about including, the inner chamber of pressure cylinder includes booster portion A and crowded material portion B, booster portion A is located crowded material portion B's top and booster portion A's diameter is greater than crowded material portion B's diameter, be provided with in the pressure cylinder with the cylindricality piston and the piston of booster portion A looks adaptation constitute sealed sliding guide cooperation with the pressure cylinder.

2. The deflection-supercharged plastic pellet extrusion-molding die of claim 1, wherein: a push rod extending to the outside of the pressure cylinder is coaxially and fixedly arranged at one end of the piston, which is far away from the material extruding part B, a support plate which is fixedly connected with the mounting frame and is vertically arranged is arranged at each of the left side and the right side of the pressure cylinder, a first rotary drum is arranged between one side of the middle position of the pressure cylinder along the length direction and one support plate, one end of the first rotary drum is coaxially and rotatably connected and matched with the support plate, the other end of the first rotary drum is fixedly connected and matched with the outer circular surface of the pressure cylinder, a second rotary drum is arranged between the other side of the middle position of the pressure cylinder along the length direction and the other support plate, the second rotary drum is coaxially arranged with the rotary drum, the axis of the second rotary drum is vertically intersected with the axis of the pressure cylinder, one end of the second rotary drum is coaxially and rotatably connected and matched with the, the input end of the butt joint pipe is connected and communicated with the plastic granulator body, the output end of the butt joint pipe is connected and communicated with the input end of the second rotary drum, the input end and the output end of the second rotary drum are in rotating connection and matching, a plane which is opposite to the supporting plate is arranged on the outer circular surface of the material extruding part B of the pressurizing cylinder, and a plurality of extruding holes which are communicated with the inside of the pressurizing cylinder are formed in the plane.

3. The deflection-supercharged plastic pellet extrusion-molding die of claim 2, wherein: the one-way valve is matched with an opening at the lower end of the pressurizing cylinder, the one-way valve is set to be in a plugging state and a conducting state which can be mutually switched, the initial state is the plugging state, and when the piston slides towards the inside of the pressurizing cylinder, the one-way valve is in the plugging state; when the piston slides towards the outside of the pressurizing cylinder, the one-way valve is in a conducting state, the driving mechanism is used for driving the piston to slide back and forth along the pressurizing cylinder on one hand, and is used for driving the pressurizing cylinder to swing back and forth around the axial direction of the first rotating cylinder on the other hand, and the cutting knife is matched with the extrusion hole and carries out particle cutting treatment on extruded plastic along with the back and forth swing of the pressurizing cylinder.

4. A deflection-supercharged plastic pellet extrusion-molding die as claimed in claim 2 or 3, wherein: the check valve comprises a sealing plug which is in sealing connection and matching with an opening at the lower end of a pressurizing cylinder, a hollow cylindrical valve sleeve which is coaxially arranged with the pressurizing cylinder and extends into a material extruding part B of the pressurizing cylinder is fixedly arranged on the sealing plug, openings at two ends of the valve sleeve are arranged, the diameter of a bottom end opening penetrating through the valve sleeve is smaller than that of the inner circular surface of the material extruding part B of the pressurizing cylinder, the valve sleeve and the sealing plug are fixedly connected into a whole, a valve rod which forms a sealing type sliding guide fit with the valve sleeve is arranged in the valve sleeve in a penetrating mode, one end of the valve rod penetrates out from the top end of the valve sleeve and is coaxially and fixedly provided with a conical limiting table I, the other end of the valve rod penetrates out from the bottom end of the valve sleeve and is coaxially and fixedly sleeved with an annular limiting table II, the diameters of the limiting table I and the limiting table II are larger than that of, the pressure release hole is provided with a plurality ofly and arrange along valve rod place circumferencial direction array, and under the shutoff state, the valve barrel carries out the shutoff to the pressure release hole, offer on the lower terminal surface of sealing plug with the valve rod coaxial arrange and open-down circular interior heavy groove, the diameter of interior heavy groove is greater than the diameter of valve rod, the outside movable sleeve of valve rod is equipped with pressure spring, pressure spring one end is contradicted with the tank bottom of interior heavy groove, the other end is contradicted with spacing platform two and pressure spring's elasticity is the directional spacing platform two of tank bottom by interior heavy groove all the time.

5. The deflection-supercharged plastic pellet extrusion-molding die of claim 2, wherein: the driving mechanism comprises a main motor fixedly arranged at the top of a supporting plate, the axial direction of an output shaft of the main motor is parallel to the axial direction of a first rotating cylinder, a rocker is fixedly sleeved on the output shaft of the main motor, the driving mechanism also comprises a first driving block connected with the side surface of a pressurizing cylinder close to an opening at the top end of the pressurizing cylinder, the first driving block is provided with two driving blocks and fixedly connected with the left side and the right side of the pressurizing cylinder, the first driving block is positioned between the two supporting plates and provided with a first flat groove which penetrates left and right, the first flat groove is positioned above the pressurizing cylinder, the length direction of the first flat groove is parallel to the axial direction of the pressurizing cylinder, the rocker is movably inserted in the first flat groove and forms sliding guide fit with the first flat groove, the driving mechanism also comprises a second driving block arranged between the two driving blocks, a push rod is fixedly connected with the lower end surface of the second driving block, the length direction of the second flat groove, the rocker is movably inserted in the second flat groove and forms sliding guide fit with the second flat groove.

6. The deflection-supercharged plastic pellet extrusion-molding die of claim 1, wherein: be provided with the mount that is located a pressure boost section of thick bamboo below on the mounting bracket, the cutting knife is upright fixed to be set up on the mount, and the cutting knife sets up to slice and two sides and is the cutting edge, and the cutting knife is provided with two and is located one side of controlling of a pressure boost section of thick bamboo respectively, fixed being provided with on the plane rather than the rectangle butt joint piece of adaptation, set up on the butt joint piece with extrude the butt joint hole of hole one-to-one switch-on, cutting knife and butt joint piece are laminated mutually under the initial.

7. The deflection-supercharged plastic pellet extrusion-molding die of claim 1, wherein: the fixed frame on be fixed with the baffle of vertical arrangement, the baffle be provided with two and be respectively for the pressurization section of thick bamboo near one side of its bottom, two baffle covers locate butt joint hole one side and form the opening downwards and the rectangle opening that narrows down gradually.

8. The deflection-supercharged plastic pellet extrusion-molding die of claim 1, wherein: the water flow conveying device comprises a water cooling mechanism for cooling plastic particles and a conveying mechanism for conveying the cooled plastic particles to an air-drying discharging device, wherein the water cooling mechanism comprises a rectangular hopper with an upward opening, the opening size of the hopper is gradually increased from bottom to top along the vertical direction, the hopper is positioned under a baffle and fixedly connected with a mounting frame, a middle water pipe is arranged on the side surface of the hopper close to the opening of the hopper, one end of the middle water pipe is open and communicated with a water inlet pipeline, the other end of the middle water pipe is closed, a water discharging pipeline is communicated with the outer circumferential surface of the middle pipeline, the output end of the water discharging pipeline extends into the hopper, a plurality of water discharging pipelines are arranged along the axial array of the middle pipeline, a three-way pipe is arranged between the two water inlet pipelines, the input end of the three-way pipe is connected with tap water, one output end of the three-way, The other output end is connected and communicated with the input end of the other water inlet pipe;

9. The deflection-supercharged plastic pellet extrusion-molding die of claim 9, wherein: the hopper on fixed be provided with the coaxial transition dish of arranging of auger, the opening part of transition dish is provided with rather than sealing cover of sealing connection, the drive end activity of auger pivot passes the hopper and extends to in the transition dish and this end coaxial fixed cover is equipped with turbine blade, transition dish connect switch-on be provided with on the inlet channel and the inlet channel will drive turbine blade and carry out single direction rotation by the running water of its input flow direction its output.

10. The deflection-supercharged plastic pellet extrusion-molding die of claim 1, wherein: the air-drying discharging device comprises a cylindrical air-drying cover which is arranged with openings at the upper end and the lower end and is vertical in the axial direction, a circular end cover which is matched with the air-drying cover is fixedly arranged at the opening at the upper end of the air-drying cover, a rotating disc is coaxially and rotatably arranged at the lower end face of the end cover, a circular filter plate is coaxially and fixedly arranged at the lower end face of the rotating disc, a plurality of pores are formed in the filter plate, the outer circular face of the filter plate is movably attached to the inner circular face of the air-drying cover, a speed reducing motor is fixedly arranged on the upper end face of the end cover, the output end of the speed reducing motor is coaxially and fixedly connected with the rotating disc, the air-drying discharging device also comprises a mounting cover which is arranged above the speed reducing motor, the mounting cover is horizontally arranged in the axial direction, an air inlet, an air pipe used for connecting and connecting the air outlet of the installation cover and the air drying cover is arranged between the air outlet of the installation cover and the air drying cover, the input end of the air pipe is connected and connected with the air outlet of the installation cover, the output end of the air pipe is connected and connected with the end cover and penetrates into the air drying cover, the output end of the bending pipe is inserted into the air drying cover, and the output end of the bending pipe and the output end of the air pipe are respectively positioned on one side of;

a rectangular flat discharge channel is fixedly arranged on the outer circular surface of the air drying cover, the input end of the discharge channel is connected with the air drying cover, the output end of the discharge channel points to a stacking point and is gradually downwards inclined from the input end to the output end, the input end feed port of the discharge channel is flush with the upper end surface of the filter plate, a rectangular discharge plate is fixedly arranged at the input end feed port of the discharge channel, the width direction of the discharge plate is parallel to the axial direction of the air drying cover, one end of the discharge plate is inserted on the side wall of the input end feed port of the fixed discharge channel, the side wall is a side wall of the filter plate along the rotation direction, the other end of the discharge plate is attached to the outer circular surface of the rotating disc, and plastic particles discharged by the bending tube sequentially pass through the output end of;