CN215619281U

CN215619281U - Plastic granulating device

Info

Publication number: CN215619281U
Application number: CN202122060368.5U
Authority: CN
Inventors: 姜志礼; 姜选军; 王雷
Original assignee: Qixia Longxin Waste Material Recycling Center
Current assignee: Qixia Longxin Waste Material Recycling Center
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-25
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a plastic granulating device, wherein an outlet of a feeding mechanism is connected with an inlet of an extruder, an outlet of the extruder is connected with an inlet of a water cooling tank, an outlet of the water cooling tank is connected with a granulating mechanism, a storage bin is used for storing plastic granules cut off by the granulating mechanism, the feeding mechanism comprises a first conveying device and a second conveying device, an outlet of the first conveying device is connected with an inlet of the second conveying device, a first rotating shaft is arranged in a first shell, a first motor is used for driving the first rotating shaft to rotate, a first fin is spirally wound on the first rotating shaft, a second rotating shaft is arranged in a second shell, a second motor is used for driving the second rotating shaft to rotate, a second fin is spirally wound on the second rotating shaft, and the size of the first fin and the spiral angle of the first fin on the first rotating shaft are the same as the size of the second fin and the spiral angle of the second fin on the second rotating shaft. Has the advantages that: simple structure, good granulation effect and low energy consumption.

Description

Plastic granulating device

Technical Field

The utility model relates to the technical field of granulation equipment, in particular to a plastic granulation device.

Background

In recent years, reflective films have been widely used in various fields of agricultural production. However, the reflective film is very light in weight, and the aluminum layer is plated on the surface of the reflective film, so that the natural degradation capability is poor, secondary pollution to soil is easily caused if the reflective film is buried in the soil, and the aluminum layer falls off and permeates into the soil, so that soil acidification is aggravated, and the yield of crops is reduced. At present, the effective treatment method of the reflective film is to recycle the reflective film, and the reflective film is used for preparing PET plastics after the processes of cleaning, dealuminization, washing, shredding, drying and the like are carried out, so as to realize the recycling of resources. Traditional prilling granulator adopts feed bin as import unloader down more, however because reflective membrane weight is very light, can't rely on self action of gravity to realize automatic unloading, very easily leads to the reflective membrane to pile up the unable unloading in feed bin down, leads to the unable normal operating of prilling granulator. Therefore, a plastic pelletizing device is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the plastic granulating device which is simple in structure, good in granulating effect and low in energy consumption.

The aim of the utility model is achieved by the following technical measures: a plastic granulating device comprises a feeding mechanism, an extruder, a water cooling tank, a granulating mechanism and a storage bin, wherein the outlet of the feeding mechanism is connected with the inlet of the extruder, the outlet of the extruder is connected with the inlet of the water cooling tank, the outlet of the water cooling tank is connected with the granulating mechanism, the storage bin is used for storing plastic granules cut off by the granulating mechanism, the feeding mechanism comprises a first conveying device and a second conveying device, the outlet of the first conveying device is connected with the inlet of the second conveying device, the first conveying mechanism comprises a first shell, a first rotating shaft, a first motor and a first fin, the first rotating shaft is arranged in the first shell, the first motor is used for driving the first rotating shaft to rotate, the first fin is spirally wound on the first rotating shaft, the second conveying mechanism comprises a second shell, a second rotating shaft, a second motor and a second fin, the second rotating shaft is arranged in the second shell, the second motor is used for driving the second rotating shaft to rotate, the second fins are spirally wound on the second rotating shaft, and the size of the first fins and the spiral angle of the first fins on the first rotating shaft are the same as those of the second fins and the spiral angle of the second fins on the second rotating shaft.

Further, the water cooling tank is obliquely and downwards arranged and comprises a tank body and a spray head, the tank body is obliquely and downwards arranged, the spray head is arranged close to the inlet end of the tank body, and the spray head is connected with an external water source.

Further, the angle of the downward inclination of the trough body is 25-40 degrees.

Furthermore, the spray heads are multiple and are uniformly distributed above the tank body.

Further, the extruder comprises a third shell, a third motor, a double-screw extrusion device and a heating device, the double-screw extrusion device is arranged inside the third shell, the heating device is arranged outside the third shell, and the third motor is used for providing power for the double-screw extrusion device.

Further, the heating device is a sectional type heating device, and the temperature of the heating device is gradually decreased from the inlet of the extruder to the outlet.

Further, grain cutting mechanism is including cutting grain platform, support frame, cylinder, connecting rod and cutter, the cylinder passes through the support frame to be fixed at cutting grain bench, the one end of connecting rod and the interior piston connection of cylinder, the other end and the cutter of connecting rod are connected, the piston passes through air pressure drive.

Compared with the prior art, the utility model has the beneficial effects that: the plastic granulating device realizes forced feeding of the granulating device through the arrangement of the first conveying device and the second conveying device, and meanwhile, the first conveying device and the second conveying device are provided with the same conveying capacity, so that continuous and uniform feeding of the granulating device is realized, and the granulating effect is good. The water cooling tank is arranged obliquely downwards, and the downward inclination angle of the tank body is 25-40 degrees. The inclination angle of 25-40 degrees can ensure that the plastic strips can smoothly move downwards, and the plastic strips can smoothly enter the granulating mechanism to ensure the normal operation of the granulating device. The heating device is a sectional type heating device, the temperature of the heating device is gradually decreased from the inlet of the extruder to the outlet, so that the fragments of the reflective film entering the extruder can be ensured to be melted, the energy can be saved, and the energy consumption can be reduced.

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the plastic granulating apparatus.

Fig. 2 is a schematic structural diagram of the feeding mechanism.

Fig. 3 is a schematic view of the extruder.

The device comprises a feeding mechanism 1, a feeding mechanism 2, an extruder 3, a groove body 4, a spray head 5, a grain cutting table 6, a support frame 7, a cylinder 8, a connecting rod 9, a cutter 10, a storage bin 11, a first shell 12, a first rotating shaft 13, a first fin 14, a second shell 15, a second rotating shaft 16, a second fin 17, a third shell 18, a third motor 19 and a double-screw extruding device.

Detailed Description

As shown in fig. 1 to 3, a plastic granulating device comprises a feeding mechanism 1, an extruder 2, a water cooling tank, a granulating mechanism and a storage bin 10, wherein an outlet of the feeding mechanism 1 is connected with an inlet of the extruder 2, an outlet of the extruder 2 is connected with an inlet of the water cooling tank, an outlet of the water cooling tank is connected with the granulating mechanism, the storage bin 10 is used for storing plastic granules cut by the granulating mechanism, the feeding mechanism 1 comprises a first conveying device and a second conveying device, specifically, the first conveying device is horizontally arranged, and the second conveying device is vertically arranged. The export of first conveyor and second conveyor's access connection, first conveying mechanism includes first casing 11, first pivot 12, first motor and first fin 13, first pivot 12 sets up in the first casing 11, and first motor is used for driving first pivot 12 and rotates, and first fin 13 spiral winding is on first pivot 12, second conveying mechanism includes second casing 14, second pivot 15, second motor and second fin 16, second pivot 15 sets up in the second casing 14, and the second motor is used for driving second pivot 15 and rotates, and second fin 16 spiral winding is on second pivot 15, the size of first fin 13 and the spiral angle of first fin 13 on first pivot 12 all the same with the size of second fin 16 and the spiral angle of second fin 16 on second pivot 15. Through the setting of first conveyor and second conveyor, realize prilling granulator's forced feeding, the size of first fin 13 and the helix angle of first fin 13 on first pivot 12 all are the same with the size of second fin 16 and the helix angle of second fin 16 on second pivot 15 simultaneously, make first conveyor and second conveyor's conveying capacity the same, realize prilling granulator's continuous even feeding, the granulation is effectual.

The water cooling tank is obliquely and downwards arranged and comprises a tank body 3 and a spray head 4, the tank body 3 is obliquely and downwards arranged, the inlet end of the tank body 3 is higher than the outlet end, the spray head 4 is arranged close to the inlet end of the tank body 3, and the spray head 4 is connected with an external water source. The water cooling tank is obliquely arranged downwards, so that the plastic strips extruded by the extruder 2 can automatically move downwards under the action of self gravity without arranging a stretching device, and meanwhile, the downward flowing cooling water can also promote the plastic strips to move downwards.

The downward inclination angle of the trough body 3 is 25-40 degrees. The inclination angle of 25-40 degrees can ensure that the plastic strips can smoothly move downwards, and the plastic strips can smoothly enter the granulating mechanism to ensure the normal operation of the granulating device.

The number of the spray heads 4 is multiple, and the spray heads 4 are uniformly distributed above the tank body 3.

The extruder 2 comprises a third shell 17, a third motor 18, a double-screw extruding device 19 and a heating device, wherein the double-screw extruding device 19 is arranged inside the third shell 17, the heating device is arranged outside the third shell 17, and the third motor 18 is used for providing power for the double-screw extruding device 19. Specifically, a feed inlet and an extrusion opening are further formed in the third shell 17, the reflective film fragments enter the third shell 17 through the feed inlet, the heating device is started, and the reflective film fragments are heated, melted and conveyed to the extrusion opening through the double-screw extrusion device 19 to form the plastic strips.

The heating device is a sectional type heating device, and the temperature of the heating device is gradually reduced from the inlet of the extruder 2 to the outlet. Specifically, the heating temperature is decreased progressively from the inlet to the outlet of the extruder 2, so that the fragments of the reflective film entering the extruder 2 can be ensured to be melted, the energy can be saved, and the energy consumption can be reduced.

Cut grain mechanism including cutting grain platform 5, support frame 6, cylinder 7, connecting rod 8 and cutter 9, cylinder 7 passes through support frame 6 to be fixed on cutting grain platform 5, the piston connection in the one end of connecting rod 8 and the cylinder 7, the other end and the cutter 9 of connecting rod 8 are connected, the piston passes through air pressure drive. Specifically, the piston in the air pressure driving cylinder 7 moves, the piston moves to drive the connecting rod 8 to move, and the connecting rod 8 moves to drive the cutter 9 to move, so that the grain cutting operation is realized.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A plastic granulating device is characterized in that: the plastic grain cutting machine comprises a feeding mechanism, an extruder, a water cooling tank, a grain cutting mechanism and a storage bin, wherein the outlet of the feeding mechanism is connected with the inlet of the extruder, the outlet of the extruder is connected with the inlet of the water cooling tank, the outlet of the water cooling tank is connected with the grain cutting mechanism, the storage bin is used for storing plastic grains cut off by the grain cutting mechanism, the feeding mechanism comprises a first conveying device and a second conveying device, the outlet of the first conveying device is connected with the inlet of the second conveying device, the first conveying device comprises a first shell, a first rotating shaft, a first motor and a first fin, the first rotating shaft is arranged in the first shell, the first motor is used for driving the first rotating shaft to rotate, the first fin is spirally wound on the first rotating shaft, the second conveying device comprises a second shell, a second rotating shaft, a second motor and a second fin, the second rotating shaft is arranged in the second shell, the second motor is used for driving the second rotating shaft to rotate, the second fins are spirally wound on the second rotating shaft, and the size of the first fins and the spiral angle of the first fins on the first rotating shaft are the same as those of the second fins and the spiral angle of the second fins on the second rotating shaft.

2. A plastic pelletizing device as claimed in claim 1, characterized in that: the water cooling tank is obliquely and downwards arranged and comprises a tank body and a spray head, the tank body is obliquely and downwards arranged, the spray head is arranged close to an inlet end of the tank body, and the spray head is connected with an external water source.

3. A plastic pelletizing device as claimed in claim 2, characterized in that: the downward inclination angle of the groove body is 25-40 degrees.

4. A plastic pelletizing device as claimed in claim 2, characterized in that: the shower nozzle be a plurality of, a plurality of shower nozzle evenly distributed in the top of cell body.

5. A plastic pelletizing device as claimed in claim 1, characterized in that: the extruder comprises a third shell, a third motor, a double-screw extrusion device and a heating device, the double-screw extrusion device is arranged in the third shell, the heating device is arranged outside the third shell, and the third motor is used for providing power for the double-screw extrusion device.

6. A plastic pelletizing device as claimed in claim 5, characterized in that: the heating device is a sectional type heating device, and the temperature of the heating device is gradually reduced from the inlet of the extruder to the outlet.

7. A plastic pelletizing device as claimed in claim 1, characterized in that: cut grain mechanism including cutting grain platform, support frame, cylinder, connecting rod and cutter, the cylinder passes through the support frame to be fixed at cutting grain bench, the piston connection in one end and the cylinder of connecting rod, the other end and the cutter of connecting rod are connected, the piston passes through air pressure drive.