CN214214370U

CN214214370U - Smashing and melting device for plastic granulation

Info

Publication number: CN214214370U
Application number: CN202023197226.5U
Authority: CN
Inventors: 郭冬晴
Original assignee: Suzhou Zhihua Plastic Industry Co ltd
Current assignee: Wurun Tianjin Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-17
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to the technical field of plastic granulation equipment, in particular to a crushing and melting device for plastic granulation, which comprises a first crushing chamber, a second crushing chamber and a melting and stirring chamber; a feed inlet is formed in the top end of the first crushing chamber, a first crushing cutter set is mounted below the feed inlet, a first screen is mounted below the first crushing cutter set, and the bottom of the first crushing chamber is communicated with the second crushing chamber through a first discharge pipe; the bottom end of the first crushing chamber is communicated with one side of the top end of the melting and stirring chamber through a second discharge pipe; the inside of second crushing chamber is installed with the second and is smashed the knife tackle, and the second screen cloth is installed to the below of second crushing knife tackle. Partial high-temperature gas in the melting stirring chamber is pumped to the first crushing chamber and the second crushing chamber through the matching of the fan and the preheating pipeline, so that raw materials in the first crushing chamber and the second crushing chamber can be preheated and heated, certain spraying and blowing effects on the raw materials in the first crushing chamber and the second crushing chamber are achieved, and the screening and crushing efficiency is improved.

Description

Smashing and melting device for plastic granulation

Technical Field

The utility model relates to a plastics granulation equipment technical field specifically is a crushing melting device of plastics granulation.

Background

With the development of industry, the application of plastic products is spread in various fields of industry, agriculture and daily life, waste plastic products generated every day in the world cannot be measured, but the great pressure on the environment is obvious, and in order to treat the plastic products without causing environmental pollution, the current method is to recycle the plastic products. The most common method for recycling waste plastics in China is recycling granulation. The traditional granulation process is to carry out granulation on recycled waste plastics through crushing and hot melting and then extruding through a screw, and during work, due to the fact that crushing is not uniform and insufficient, the size difference of materials is obvious, hot melting is difficult, hot melting efficiency is low, and production efficiency is reduced. Therefore, there is a need for a plastic granulating, pulverizing and melting apparatus capable of improving the efficiency of hot melting to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crushing melting device of plastics granulation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crushing and melting device for plastic granulation comprises a first crushing chamber, a second crushing chamber and a melting and stirring chamber; a feed inlet is formed in the top end of the first crushing chamber, a first crushing cutter group is mounted below the feed inlet, a first screen is mounted below the first crushing cutter group, a first discharge port is formed in one side of the bottom of the first crushing chamber, and the first discharge port is communicated with the second crushing chamber through a first discharge pipe; the bottom end of the first crushing chamber is provided with a second discharge hole, and the second discharge hole is communicated with one side of the top end of the melting and stirring chamber through a second discharge pipe; a second crushing cutter group is arranged in the second crushing chamber, a second screen is arranged below the second crushing cutter group, a third discharge hole is formed in the bottom end of the second crushing chamber, and the third discharge hole is communicated with the other side of the top end of the melting and stirring chamber through a third discharge pipe; the melting and stirring chamber is internally provided with a heating cavity, and a heater is arranged in the heating cavity.

Preferably, the first screen is obliquely arranged inside the first crushing chamber, and the first discharge port is arranged above the bottom end of the first screen.

Preferably, a stirring motor is installed in the middle of the top end of the melting stirring chamber, the output end of the stirring motor is connected with a stirring shaft, and a stirring rod is installed outside the stirring shaft.

Preferably, one end of the stirring rod, which is far away from the stirring shaft, is provided with a wall scraping knife.

Preferably, one side of the upper part of the melting and stirring chamber is provided with an air outlet which is communicated with the preheating pipeline through a fan.

Preferably, the preheating pipeline is communicated with a first diversion pipeline and a second diversion pipeline, and the first diversion pipeline and the second diversion pipeline are respectively communicated with the first crushing chamber and the second crushing chamber.

Preferably, the preheating pipeline, the first diversion pipeline and the second diversion pipeline are all provided with heat preservation layers on the outer portions.

Preferably, the bottom of the melting and stirring chamber is communicated with a discharge hopper, and the bottom of the discharge hopper is communicated with a discharge pipeline.

Preferably, the first discharge hole is hinged with a material baffle plate through a hinge, and the material baffle plate is connected with the inner wall of the first discharge pipe through a return spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a plastics granulation's crushing melting device is mainly including first crushing room, room and melting teeter chamber are smashed to the second, carry out preliminary crushing work to the raw materials through first crushing cutter group in first crushing room, smash qualified directly get into the melting teeter chamber and carry out melting work after screening via first screen cloth, smash incomplete raw materials and lead to the crushing room of second via first discharging pipe, smash the cutter group and carry out the repulverize to it via its inside second, and will smash complete material and lead to in the melting teeter chamber after screening via the second screen cloth, the effectual kibbling thoroughness and the homogeneity of raw materials that has improved, improve melting efficiency and quality.

2. The utility model discloses internally mounted at the melting teeter chamber has the heater, a heating for the raw materials, melting work, and set up the preheating tube rather than the intercommunication in top one side of melting teeter chamber, through fan and preheating pipe's cooperation with the partial high-temperature gas pump in the melting teeter chamber to first crushing room and second smash indoorly, can enough realize to first crushing room, the purpose of preheating of the interior raw materials of second crushing room, and simultaneously, can play the effect of certain jetting to its inside raw materials, improve its screening and crushing efficiency.

Drawings

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

fig. 2 is a schematic structural diagram of the first crushing chamber of the present invention.

In the figure: 1. a first crushing chamber; 2. a second crushing chamber; 3. a melt blending chamber; 4. a first crushing cutter group; 5. a first screen; 6. a first discharge pipe; 7. a second discharge pipe; 8. a second crushing cutter group; 9. a second screen; 10. a third discharge pipe; 11. a heater; 12. a stirring motor; 13. a stirring rod; 14. a wall scraping knife; 15. a fan; 16. preheating a pipeline; 17. a first diversion conduit; 18. a second diversion conduit; 19. a discharge hopper; 20. a striker plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a plastic granulation crushing and melting device comprises a first crushing chamber 1, a second crushing chamber 2 and a melting and stirring chamber 3; a feeding hole is formed in the top end of the first crushing chamber 1, a first crushing cutter group 4 is installed below the feeding hole, a first screen 5 is installed below the first crushing cutter group 4, a first discharging hole is formed in one side of the bottom of the first crushing chamber 1, and the first discharging hole is communicated with the second crushing chamber 2 through a first discharging pipe 6; the bottom end of the first crushing chamber 1 is provided with a second discharge hole, and the second discharge hole is communicated with one side of the top end of the melting and stirring chamber 3 through a second discharge pipe 7; a second crushing cutter group 8 is arranged in the second crushing chamber 2, a second screen 9 is arranged below the second crushing cutter group 8, a third discharge hole is formed in the bottom end of the second crushing chamber 2, and the third discharge hole is communicated with the other side of the top end of the melting and stirring chamber 3 through a third discharge pipe 10; the inside of the melting and stirring chamber 3 is provided with a heating chamber, and a heater 11 is installed inside the heating chamber.

Further, the first screen 5 is obliquely arranged in the first crushing chamber 1, and the first discharge port is arranged above the bottom end of the first screen 5.

Further, a stirring motor 12 is installed in the middle of the top end of the melting stirring chamber 3, the output end of the stirring motor 12 is connected with a stirring shaft, and a stirring rod 13 is installed outside the stirring shaft.

Further, a wall scraping knife 14 is installed at one end of the stirring rod 13 far away from the stirring shaft.

Furthermore, an air outlet is formed in one side of the upper part of the melting and stirring chamber 3, and the air outlet is communicated with a preheating pipeline 16 through a fan 15.

Further, the preheating pipeline 16 is communicated with a first branch pipeline 17 and a second branch pipeline 18, and the first branch pipeline 17 and the second branch pipeline 18 are respectively communicated with the first crushing chamber 1 and the second crushing chamber 2.

Further, the preheating pipeline 16, the first shunt pipeline 17 and the second shunt pipeline 18 are all provided with heat insulation layers on the outer portions.

Furthermore, the bottom of the melting and stirring chamber 3 is communicated with a discharge hopper 19, and the bottom of the discharge hopper 19 is communicated with a discharge pipeline.

Further, there is a striker plate 20 in the first discharge hole through hinge joint, and the striker plate 20 is connected with the inner wall of the first discharge pipe 6 through a return spring.

The working principle is as follows: when the utility model is used, raw materials to be crushed are added into the first crushing chamber 1 through the feed inlet, then the raw materials are subjected to preliminary crushing work through the first crushing cutter group 4 in the first crushing chamber 1, and the crushed qualified raw materials are screened by the first screen 5 and then directly enter the melting and stirring chamber 3 through the second discharge pipe 7 to be subjected to melting work; the incompletely crushed raw materials have certain extrusion force on the baffle plate 20 on the first discharge hole under the action of gravity, the baffle plate 20 is opened, so that part of the raw materials are guided into the second crushing chamber 2 through the first discharge pipe 6, are crushed again through the second crushing cutter group 8 in the second crushing chamber, are screened through the second screen 9 and are guided into the melting and stirring chamber 3 through the third discharge pipe 10, the stirring motor 12 at the top end of the melting and stirring chamber 3 drives the stirring shaft and the stirring 13 to fully stir the crushed raw materials in the melting and stirring chamber, and the raw materials are heated and melted through the heater 11; in the process, partial high-temperature gas in the melting and stirring chamber 3 is pumped into the first crushing chamber 1 and the second crushing chamber 2 through the matching of the fan 15 and the preheating pipeline 16, so that the purposes of preheating and heating the raw materials in the first crushing chamber 1 and the second crushing chamber 2 can be realized, meanwhile, a certain spraying and blowing effect can be realized on the raw materials in the first crushing chamber 1 and the second crushing chamber 2, and the screening and crushing efficiency is improved.

It is worth noting that: the whole device realizes control of the device through the controller, and because the equipment matched with the controller is common equipment, the device belongs to the existing mature technology, the electrical connection relation and the specific circuit structure are not described again; the crushing cutter set and the heater are common technical means of people in the field, and are applied in the scheme in the prior art, so that the specific structure, the working mode and the working principle of the crushing cutter set are not described in too much detail.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A crushing and melting device for plastic granulation is characterized in that: comprises a first crushing chamber (1), a second crushing chamber (2) and a melting and stirring chamber (3); a feed inlet is formed in the top end of the first crushing chamber (1), a first crushing cutter group (4) is installed below the feed inlet, a first screen (5) is installed below the first crushing cutter group (4), a first discharge port is formed in one side of the bottom of the first crushing chamber (1), and the first discharge port is communicated with the second crushing chamber (2) through a first discharge pipe (6); a second discharge hole is formed in the bottom end of the first crushing chamber (1), and the second discharge hole is communicated with one side of the top end of the melting and stirring chamber (3) through a second discharge pipe (7); a second crushing cutter group (8) is arranged in the second crushing chamber (2), a second screen (9) is arranged below the second crushing cutter group (8), a third discharge hole is formed in the bottom end of the second crushing chamber (2), and the third discharge hole is communicated with the other side of the top end of the melting and stirring chamber (3) through a third discharge pipe (10); the melting and stirring chamber (3) is internally provided with a heating cavity, and a heater (11) is arranged in the heating cavity.

2. The crushing and melting device for plastic granulation as set forth in claim 1, wherein: first screen cloth (5) slope sets up in the inside of first crushing room (1), and first discharge gate is seted up in the top of first screen cloth (5) bottom.

3. The crushing and melting device for plastic granulation as set forth in claim 1, wherein: the top end middle part of the melting stirring chamber (3) is provided with a stirring motor (12), the output end of the stirring motor (12) is connected with a stirring shaft, and the outside of the stirring shaft is provided with a stirring rod (13).

4. A pulverizing and melting apparatus for plastic granulation as set forth in claim 3, wherein: and a wall scraping knife (14) is installed at one end, far away from the stirring shaft, of the stirring rod (13).

5. The crushing and melting device for plastic granulation as set forth in claim 1, wherein: an air outlet is formed in one side of the upper portion of the melting and stirring chamber (3), and the air outlet is communicated with a preheating pipeline (16) through a fan (15).

6. The crushing and melting device for plastic granulation as set forth in claim 5, wherein: the preheating pipeline (16) is communicated with a first diversion pipeline (17) and a second diversion pipeline (18), and the first diversion pipeline (17) and the second diversion pipeline (18) are respectively communicated with the first crushing chamber (1) and the second crushing chamber (2).

7. The crushing and melting device for plastic granulation as set forth in claim 6, wherein: and heat insulation layers are arranged outside the preheating pipeline (16), the first diversion pipeline (17) and the second diversion pipeline (18).

8. The crushing and melting device for plastic granulation as set forth in claim 1, wherein: the bottom of the melting stirring chamber (3) is communicated with a discharge hopper (19), and the bottom of the discharge hopper (19) is communicated with a discharge pipeline.

9. The crushing and melting device for plastic granulation as set forth in claim 1, wherein: articulated through the hinge on the first discharge gate have striker plate (20), striker plate (20) pass through the inner wall connection of reset spring and first discharging pipe (6).