CN219543725U - Plastic granulator with screening function - Google Patents

Abstract

The utility model discloses a plastic granulator with a screening function, which belongs to the technical field of granulators, wherein an extrusion pipe is arranged at the upper part of a shell, a heating pipe is arranged in an interlayer of the extrusion pipe, a spiral pushing rod is arranged in the extrusion pipe, a motor II is arranged at the upper part of the extrusion pipe, an output shaft of the motor II is connected with the spiral pushing rod, a feeding pipe is arranged at the left part of the extrusion pipe, a feeding hopper is arranged on the feeding pipe, an air inlet pipe is arranged on the inner wall of the shell, a dust removal tank is arranged at the right part of the shell, an exhaust pipe is arranged on the inner wall of the dust removal tank, a gas cleaning chamber is arranged in the dust removal tank, a gas hole is arranged in the gas cleaning chamber, a fan is arranged at the upper part of the gas cleaning chamber, a gas suction pipe is arranged at the right part of the fan, the gas cleaning chamber is communicated with the gas cleaning chamber, a pulse device is arranged at the right part of the gas cleaning chamber, a dust removal tank bottom is provided with a dust exhaust pipe, and an electric valve is arranged on the dust exhaust pipe. Solves the technical problem that the plastic particles obtained by the prior equipment are mixed with plastic dust.

Description

Plastic granulator with screening function

Technical Field

The utility model belongs to the technical field of pelleting machines, and particularly relates to a plastic pelleting machine with a screening function.

Background

After the waste plastic is purchased, in order to meet the production requirement, plastic particles are obtained, the plastic particles are crushed, heated and melted by an extruder and then extruded to obtain plastic strips, and then the plastic particles are obtained by a granulator, but when the existing granulator is used for shearing and granulating, a plurality of plastic dust are often produced and mixed in the plastic particles, so that the obtained plastic particles are impure, and the quality of the plastic particles is affected.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a plastic granulator with a screening function, so as to solve the technical problem that plastic particles obtained by existing equipment are mixed with plastic dust.

The plastic granulator with the screening function comprises a shell, wherein a granule discharging pipe is arranged at the bottom of the shell, a knife roll and a flat roll are arranged in the shell, the shaft ends of the knife roll and the flat roll penetrate through the outside of the shell, a first motor is arranged on the left side of the shell, gears meshed with each other are arranged on the output shaft of the first motor, the shaft ends of the knife roll and the flat roll, the output shaft of the first motor drives the gears on the first motor to rotate, so that the gears on the ends of the knife roll and the flat roll are meshed with each other to rotate, and the knife roll and the flat roll are also rotated;

the method is characterized in that: the upper part of the shell is provided with an extrusion pipe, a heating pipe is arranged in an interlayer of the extrusion pipe, the heating pipe heats the extrusion pipe to enable plastic fragments in the extrusion pipe to be melted, the bottom of the extrusion pipe is provided with an extrusion disc, the extrusion disc is provided with an extrusion hole, the extrusion pipe is internally provided with a spiral pushing rod, the upper part of the extrusion pipe is provided with a motor II, an output shaft of the motor II is connected with the spiral pushing rod, the output shaft of the motor II drives the spiral pushing rod to rotate to enable the melted plastic in the extrusion pipe to be rolled downwards and extruded from the extrusion hole through the extrusion disc to form a plastic strip to enter the shell, the left part of the extrusion pipe is provided with a feeding pipe, the feeding pipe is provided with a feeding hopper, the plastic fragments enter the feeding pipe through the feeding hopper and then enter the extrusion pipe, the inner wall of the shell is provided with an air inlet pipe, and external airflow enters the shell through the air inlet pipe, the plastic strip just coming out of the extrusion hole is subjected to heat exchange to cool and solidify, the right part of the shell is provided with a dust removal tank, the inner wall of the dust removal tank is provided with an exhaust pipe, air flow in the shell entrains plastic dust to enter the dust removal tank, the dust removal tank is internally provided with a gas purifying chamber, the gas purifying chamber is internally provided with an air hole, the upper part of the gas purifying chamber is provided with a fan, the left part of the fan is provided with an air suction pipe, the air suction pipe is communicated with the gas purifying chamber, the fan is started, air outside the shell enters the shell through the air inlet pipe and then enters the dust removal tank through the exhaust pipe, the plastic dust is collected by the dust collecting device, clean air enters the gas purifying chamber through the air hole and then is exhausted through the air suction pipe, the gas purifying chamber is internally provided with the dust collecting device, the right part of the gas purifying chamber is provided with a pulse device, the pulse device pulses the dust collecting device every time, the plastic dust in the dust collecting device is flushed down to the bottom in the dust removing tank, the electric valve is opened, the plastic dust is discharged from the dust discharging pipe, the dust discharging pipe is arranged at the bottom of the dust removing tank, and the electric valve is arranged on the dust discharging pipe.

Further, the dust collecting device comprises a fixed pipe, the fixed pipe penetrates through the air purifying chamber, a cloth bag is arranged in the fixed pipe, and an air distributing pipe is arranged at the upper part of the cloth bag.

Further, the pulse device comprises a gas tank and a pulse valve, the upper part of the gas tank is provided with a gas pipe, the gas pipe is provided with the pulse valve, the pulse valve is provided with a pulse tube, the pulse tube penetrates through the inside of the gas purifying chamber, the pulse tube is connected with a gas distributing pipe, the pulse valve is opened, gas in the gas tank enters the pulse tube through the gas pipe and then enters the gas distributing pipe, and plastic dust in the cloth bag is pulsed.

Compared with the prior art, the utility model has the following advantages: the plastic strip extruded in the extrusion pipe is rolled and cut by pivoted knife roll and flat roll to form plastic granules, produce plastic dust simultaneously, through starting the fan, make the outside air current of casing get into the casing through the air-supply line in, pass the clearance between knife roll and the flat roll, take away plastic dust and get into the dust removal jar through the exhaust pipe, plastic dust in the air current is collected by dust collecting device, and clean air current gets into the air-purifying chamber through the gas pocket, again be discharged by the fan through the aspiration channel, and plastic granules is discharged through the granule discharging pipe, plastic granules and plastic dust's screening has been realized, outside air current has taken away the heat of plastic strip in the casing simultaneously, make the plastic strip solidify fast, be convenient for roll cutting, the plastic granules that have solved current equipment and obtained mixes the technical problem of plastic dust.

Drawings

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a top view of the interior of the housing portion of the present utility model;

fig. 3 is a bottom view of the extrusion disk of the present utility model.

The accompanying drawings: 1 shell, 2 granule discharging pipes, 3 knife rolls, 4 flat rolls, 5 motors I, 6 gears, 7 extrusion pipes, 8 heating pipes, 9 spiral pushing rods, 10 motors II, 11 feeding pipes, 12 feeding hoppers, 13 air inlet pipes, 14 dedusting tanks, 15 exhaust pipes, 16 air purifying chambers, 17 air holes, 18 fans, 19 air suction pipes, 20 dust discharging pipes, 21 electric valves, 22 fixed pipes, 23 cloth bags, 24 air distribution pipes, 25 air tanks, 26 pulse valves, 27 air pipes, 28 pulse pipe.29 extrusion discs and 30 extrusion holes.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1-3:

the plastic granulator with the screening function comprises a shell 1, wherein a granule discharging pipe 2 is arranged at the bottom of the shell 1, a knife roll 3 and a flat roll 4 are arranged in the shell 1, shaft ends of the knife roll 3 and the flat roll 4 penetrate through the outside of the shell 1, a motor I5 is arranged on the left side of the shell 1, and a meshed gear 6 is arranged on an output shaft of the motor I5, the shaft ends of the knife roll 3 and the flat roll 4;

the method is characterized in that: the utility model discloses a dust removal device, including casing 1, extrusion pipe 7, air inlet pipe 13, dust removal tank 14, air exhaust pipe 15 is equipped with to the intermediate layer of extrusion pipe 7, be equipped with extrusion disk 29 on the extrusion disk 29, be equipped with extrusion hole 30 in the extrusion pipe 7, be equipped with spiral ejector pin 9 in the extrusion pipe 7, extrusion pipe 7 upper portion is equipped with motor two 10, the output shaft and the spiral ejector pin 9 of motor two 10 are connected, extrusion pipe 7 left part is equipped with inlet pipe 11, be equipped with feeder hopper 12 on the inlet pipe 11, casing 1 inner wall is equipped with air-supply pipe 13, casing 1 right part is equipped with dust removal tank 14, dust removal tank 14 inner wall is equipped with exhaust pipe 15, be equipped with air-purifying chamber 16 in the dust removal tank 14, be equipped with gas pocket 17 in the air-purifying chamber 16, air-purifying chamber 16 upper portion is equipped with fan 18, the left part of fan 18 is equipped with aspiration channel 19, aspiration channel 19 is linked together with air-purifying chamber 16, be equipped with dust collection device in the air-purifying chamber 16 right part is equipped with pulse device, dust removal tank 14 bottom is equipped with exhaust pipe 20, be equipped with electric dust removal valve 21.

Further, the dust collecting device comprises a fixed pipe 22, the fixed pipe 22 penetrates through the air purifying chamber 16, a cloth bag 23 is arranged in the fixed pipe 22, and an air distributing pipe 24 is arranged at the upper part of the cloth bag 23.

Further, the pulse device comprises a gas tank 25 and a pulse valve 26, a gas pipe 27 is arranged at the upper part of the gas tank 25, the pulse valve 26 is arranged on the gas pipe 27, a pulse tube 28 is arranged on the pulse valve 26, the pulse tube 28 penetrates through the inside of the gas purifying chamber 16, and the pulse tube 28 is connected with the gas distributing pipe 24.

The application method of the utility model is as follows:

plastic chips enter a feeding pipe 11 through a feeding hopper 12, a heating pipe 8 heats the extrusion pipe 7 to melt the plastic chips, an output shaft of an electric motor 10 rotates and drives a spiral pushing rod 9 to rotate, so that molten plastic in the extrusion pipe 7 is rolled downwards, passes through an extrusion disc 29 and is extruded into a shell 1 in a plastic strip mode through an extrusion hole 30, a fan 18 is started, external air flow enters the shell 1 through an air inlet pipe 13 to take away heat of the plastic strip and solidify the plastic strip, a motor 5 is started, an output shaft of the motor 5 rotates to enable a gear 6 on the motor 5 to rotate, so that a gear 6 at the shaft ends of a cutter roller 3 and a flat roller 4 are meshed to rotate, the cutter roller 3 and the flat roller 4 rotate, and the plastic strip entering a gap of the cutter roller is coiled and cut, the plastic particles are generated, meanwhile, plastic dust is generated, the plastic particles are discharged through the particle discharge pipe 2, the air flow takes away the plastic dust through a gap between the knife roll 3 and the flat roll 4 and enters the dust removal tank 14 through the exhaust pipe 15, the plastic dust in the air flow is collected by the cloth bag 23, clean air flow enters the air purification chamber 16 through the air hole 17 and is discharged by the fan 18 through the air suction pipe 19, the pulse valve 26 is opened at intervals, the air flow in the air tank 25 enters the pulse pipe 28 through the air pipe 27, the plastic dust in the cloth bag 23 is pulsed through the air distribution pipe 24, the plastic dust falls to the bottom in the dust removal tank 14, the electric valve 21 is opened, and the plastic dust is discharged from the dust discharge pipe 20.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims (3)

1. The utility model provides a plastic granulator that possesses screening function, includes casing (1), casing (1) bottom is equipped with row grain pipe (2), be equipped with knife roll (3) and flat roll (4) in casing (1), the axle head of knife roll (3) and flat roll (4) all runs through casing (1) outside, casing (1) left side is equipped with motor one (5), all be equipped with intermeshing gear (6) on the axle head of output shaft, knife roll (3) and flat roll (4) of motor one (5);

the method is characterized in that: the utility model discloses a dust collector, including casing (1) and dust collector, casing (1) is equipped with extrusion pipe (7) on upper portion, be equipped with heating pipe (8) in the intermediate layer of extrusion pipe (7), extrusion pipe (7) bottom is equipped with extrusion dish (29), be equipped with extrusion hole (30) on extrusion dish (29), be equipped with spiral pushing rod (9) in extrusion pipe (7), extrusion pipe (7) upper portion is equipped with motor two (10), the output shaft and the spiral pushing rod (9) of motor two (10) are connected, extrusion pipe (7) left part is equipped with inlet pipe (11), be equipped with feeder hopper (12) on inlet pipe (11), casing (1) inner wall is equipped with air-supply line (13), casing (1) right part is equipped with dust collection tank (14), dust collection tank (14) inner wall is equipped with exhaust pipe (15), be equipped with air-purifying chamber (16) in dust collection tank (14), be equipped with gas hole (17) in air-purifying chamber (16), air-purifying chamber (16) upper portion is equipped with fan (18), the left part of fan (18) is equipped with suction chamber (19), dust collector (16) are equipped with dust collector (16) and dust collector bottom device (20), an electric valve (21) is arranged on the dust exhaust pipe (20).

2. A plastic granulator with screening function according to claim 1, characterized in that: the dust collecting device comprises a fixed pipe (22), the fixed pipe (22) penetrates through the air purifying chamber (16), a cloth bag (23) is arranged in the fixed pipe (22), and an air distributing pipe (24) is arranged on the upper portion of the cloth bag (23).

3. A plastic granulator with screening function according to claim 2, characterized in that: the pulse device comprises a gas tank (25) and a pulse valve (26), wherein a gas pipe (27) is arranged on the upper portion of the gas tank (25), the pulse valve (26) is arranged on the gas pipe (27), a pulse tube (28) is arranged on the pulse valve (26), the pulse tube (28) penetrates through the air purifying chamber (16), and the pulse tube (28) is connected with the gas distributing pipe (24).