CN217346226U - Waste plastic recycling device - Google Patents

Abstract

The utility model relates to the technical field of recycling of renewable resources, and discloses a waste plastic recycling device, which comprises a base and a crushing kettle arranged on the base, wherein the crushing kettle is provided with a feed inlet and a discharge outlet, and a primary crushing mechanism and a secondary crushing mechanism are sequentially arranged in the crushing kettle from top to bottom; the feeding hole is used for inputting waste plastics into the crushing kettle, the primary crushing mechanism and the secondary crushing mechanism are used for crushing the waste plastics, and the discharging hole is used for outputting the crushed plastic particles; this waste plastic recycling device is different with traditional waste plastic processing procedure, carries out broken back to waste plastic through two sets of relative pivoted broken teeth, still is provided with secondary crushing mechanism in broken cauldron and is used for further breakage, and the final output particle diameter is littleer and the more homogeneous plastic granules of size after the meticulous breakage of a plurality of broken sword. Is beneficial to the subsequent waste plastic regeneration procedures such as melting granulation and the like.

Description

A waste plastic recycling device

technical field

The utility model relates to the technical field of recycling and utilization of renewable resources, in particular to a waste plastic recycling device.

Background technique

Waste plastic does not refer to waste, old and useless plastic products. Most of the plastic products, especially a large number of disposable ones, have not changed much in the performance of the plastic material itself after use, so they can be recycled and reprocessed into plastic products by appropriate methods and then used again.

The recycling of waste plastics needs to be crushed first to make them into powder or granules, and then further processed by physical and chemical processes such as melt granulation and modification to regenerate plastic raw materials.

When the existing waste plastic recycling device crushes plastic particles, it is only crushed through one crushing process, and the particle size of the generated plastic particles is not uniform. Unification affects the quality of recycled plastics.

Utility model content

The utility model provides a waste plastic recycling device, which has the beneficial effect of fully crushing the waste plastic through two crushing processes in turn, and finally filtering to obtain plastic particles with uniform particle size, which solves the problems mentioned in the above background technology. When the existing waste plastic recycling device is used to crush plastic particles, it is only crushed through one crushing process, and the particle size of the generated plastic particles is not uniform. The degree of non-uniformity will affect the quality of recycled plastics.

The utility model provides the following technical solutions: a waste plastic recycling device, comprising a base and a crushing kettle arranged on the base, the crushing kettle is provided with a feeding port and a discharging port, and the crushing kettle is arranged from top to bottom. A primary crushing mechanism and a secondary crushing mechanism are arranged in sequence at the bottom;

The feeding port is used to input waste plastic into the crushing kettle, the primary crushing mechanism and the secondary crushing mechanism are used to crush the waste plastic, and the discharge port is used to output the crushed plastic particles. ;

A driving mechanism is provided on the base, and the driving mechanism is used to drive the primary crushing mechanism and the secondary crushing mechanism to operate.

As an optional solution of the waste plastic recycling device of the present invention, wherein: the primary crushing mechanism includes two first rotating shafts and a number of crushing teeth, and the two first rotating shafts are rotatably arranged on the On the crushing kettle, a plurality of the crushing teeth are respectively arranged on the two first rotating shafts.

As an optional solution of the waste plastic recycling device of the present invention, wherein: the primary crushing mechanism further includes two first spur gears, and the two first spur gears are respectively arranged on the two first spur gears. on a rotating shaft, and the two first spur gears are meshed with each other.

As an optional solution of the waste plastic recycling device of the present invention, wherein: the secondary crushing mechanism includes a second rotating shaft and a plurality of crushing knives, and the second rotating shaft is rotatably arranged on the crushing kettle, Several of the crushing knives are arranged on the second rotating shaft.

As an optional solution of the waste plastic recycling device of the present invention, wherein: the driving mechanism includes a motor, the motor is arranged on the base, and the output shaft of the motor is connected with the second rotating shaft .

As an optional solution of the waste plastic recycling device of the present invention, wherein: the driving mechanism further comprises a third rotating shaft, a first bevel gear and a second bevel gear, and the third rotating shaft is rotatably arranged on the On the base, the first bevel gear is arranged on the third shaft, the second bevel gear is arranged on one of the first shafts, and the second bevel gear is connected to the first shaft. The bevel gears mesh.

As an optional solution of the waste plastic recycling device of the present invention, wherein: the driving mechanism further includes a second spur gear, a third spur gear and a toothed belt, and the second spur gear is arranged on the second rotating shaft , the third spur gear is arranged on the third shaft, the toothed belt is arranged on the second spur gear and the third spur gear, and the second spur gear and the third spur gear The spur gears are all meshed with the toothed belt.

As an optional solution of the waste plastic recycling device of the present invention, wherein: the crushing kettle is provided with a filter plate.

The utility model has the following beneficial effects:

1. The waste plastic recycling device is different from the traditional waste plastic treatment process. After the waste plastic is crushed by two sets of relatively rotating crushing teeth, a secondary crushing mechanism is also set in the crushing kettle for further crushing. After fine crushing by several crushing knives, plastic particles with smaller particle size and more uniform size are finally output. It is beneficial to the subsequent recycling process of waste plastics such as melt granulation.

2. The waste plastic recycling device is also equipped with a filter plate on the lower side of the primary crushing mechanism and the secondary crushing mechanism. The crushed plastic particles can only fall into and out of the filter plate when the particle size reaches the filter hole diameter of the filter plate. Otherwise, it will remain in the crushing kettle and continue to be crushed until it reaches the filtration standard.

3. In this waste plastic recycling device, the primary crushing mechanism and the secondary crushing mechanism are driven by the same power source motor. The motor first drives the second rotating shaft to rotate and drives the secondary crushing mechanism to run, and then the second rotating shaft drives one of them through transmission. The first rotating shaft rotates to drive the primary crushing mechanism to run. It plays a role in saving the operating cost of the device.

Description of drawings

FIG. 1 is a schematic diagram of the first overall structure of the present invention.

FIG. 2 is a schematic diagram of the second overall structure of the present invention.

Figure 3 is a schematic diagram of the explosion structure of the present invention.

Figure 4 is a schematic diagram of the internal structure of the utility model.

In the figure: 1. base; 2. crushing kettle; 201, feeding port; 202, discharging port; 3. primary crushing mechanism; 301, first rotating shaft; 302, crushing teeth; 303, first spur gear; 4, Secondary crushing mechanism; 401, second shaft; 402, crushing knife; 5, filter plate; 6, driving mechanism; 601, motor; 602, third shaft; 603, second spur gear; 604, third spur gear; 605, toothed belt; 606, first bevel gear; 607, second bevel gear.

Detailed ways

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

In order to fully crush the waste plastics and make the generated plastic particles uniform in particle size, Example 1 is proposed;

Please refer to FIG. 1-FIG. 4, including a base 1 and a crushing kettle 2 arranged on the base 1. The crushing kettle 2 is provided with a feeding port 201 and a discharging port 202, and the crushing kettle 2 is provided with once from top to bottom. Crushing mechanism 3 and secondary crushing mechanism 4;

The feeding port 201 is used for inputting waste plastics into the crushing kettle 2, the primary crushing mechanism 3 and the secondary crushing mechanism 4 are used for crushing the waste plastics, and the discharging port 202 is used for outputting the crushed plastic particles;

The base 1 is provided with a driving mechanism 6 , and the driving mechanism 6 is used to drive the primary crushing mechanism 3 and the secondary crushing mechanism 4 to operate.

Wherein, the crushing kettle 2 is installed on the base 1, the feeding port 201 is opened at the upper end of the crushing kettle 2, the discharging port 202 is opened at the front end of the crushing kettle 2, and the connection between the discharging port 202 and the inner cavity of the crushing kettle 2 is as follows: The inclined wall is convenient for materials to fall.

After the primary crushing mechanism 3 and the secondary crushing mechanism 4 are driven by the driving mechanism 6 to operate, the waste plastics are input into the crushing kettle 2 through the feeding port 201, and the waste plastics pass through the primary crushing mechanism 3 and the secondary crushing mechanism 4 successively. , and finally output from the discharge port 202 .

Example 2

In order to carry out the first crushing process to waste plastics, the embodiment 2 is proposed;

This embodiment is an improved description made on the basis of Embodiment 1. For details, please refer to FIGS. 1 to 4. The primary crushing mechanism 3 includes two first rotating shafts 301 and several crushing teeth 302. The rotating shafts 301 are all rotatably arranged on the crushing kettle 2, and a plurality of crushing teeth 302 are respectively arranged on the two first rotating shafts 301;

The primary crushing mechanism 3 further includes two first spur gears 303 , which are respectively disposed on the two first rotating shafts 301 and meshed with each other.

The two first rotating shafts 301 are rotatably installed in the crushing kettle 2 , and the front and rear ends of the two first rotating shafts 301 respectively move through the front and rear ends of the crushing kettle 2 . A plurality of crushing teeth 302 are installed on the two first rotating shafts 301 , and the two groups of crushing teeth 302 are symmetrically distributed at equal distances. The first spur gears 303 are fixed on the parts of the two first rotating shafts 301 extending out of the front side of the crushing kettle 2 , and the two first spur gears 303 mesh.

By rotating one of the first rotating shafts 301 , the other first rotating shaft 301 can be driven to rotate in the opposite direction, so that the two sets of crushing teeth 302 are rotated relative to each other, and the waste plastics are preliminarily crushed.

Example 3

In order to carry out the second crushing process to waste plastics, the embodiment 3 is proposed;

This embodiment is an improved description based on Embodiment 1. For details, please refer to FIGS. 3 to 4 . The secondary crushing mechanism 4 includes a second rotating shaft 401 and several crushing knives 402. The second rotating shaft 401 rotates arranged on the crushing kettle 2, and several crushing knives 402 are arranged on the second rotating shaft 401;

A filter plate 5 is arranged in the crushing kettle 2 .

The second rotating shaft 401 is rotatably installed on the crushing kettle 2, the second rotating shaft 401 runs through the lower end of the crushing kettle 2, and a plurality of staggered crushing knives 402 are installed on the second rotating shaft 401. The plastic particles initially crushed by the two sets of crushing teeth 302 will be further ground and crushed by a plurality of crushing knives 402 .

And a filter plate 5 is fixed at the inner wall of the crushing kettle 2, and the filter plate 5 is close to the crushing knife 402 at the lowermost side. When the plastic particles are further crushed by a plurality of crushing knives 402, only the particle size reaches the filtering of the filter plate 5. The standard will fall from the filter plate 5 into the discharge port 202 . Otherwise, it will remain in the crushing kettle 2 and continue to be crushed by the multiple crushing knives 402 .

Example 4

In order to drive the primary crushing mechanism 3 and the secondary crushing mechanism 4, Embodiment 4 is proposed;

This embodiment is an improved description based on Embodiment 1. For details, please refer to FIG. 1 to FIG. 4. The driving mechanism 6 includes a motor 601. The motor 601 is arranged on the base 1, and the output shaft of the motor 601 is connected to the motor 601. The second rotating shaft 401 is connected;

The driving mechanism 6 also includes a third shaft 602, a first bevel gear 606 and a second bevel gear 607. The third shaft 602 is rotatably arranged on the base 1, the first bevel gear 606 is arranged on the third shaft 602, and the third shaft 602 is rotatably arranged on the base 1. Two bevel gears 607 are disposed on one of the first rotating shafts 301, and the second bevel gear 607 meshes with the first bevel gear 606;

The driving mechanism 6 also includes a second spur gear 603, a third spur gear 604 and a toothed belt 605. The second spur gear 603 is arranged on the second shaft 401, the third spur gear 604 is arranged on the third shaft 602, and the toothed belt 605 It is arranged on the second spur gear 603 and the third spur gear 604 , and both the second spur gear 603 and the third spur gear 604 mesh with the toothed belt 605 .

The motor 601 is installed on the upper end of the base 1 , and the output shaft of the motor 601 is fixed to the lower end of the second rotating shaft 401 . A third rotating shaft 602 is also rotatably mounted on the upper end of the base 1 , the surfaces of the second rotating shaft 401 and the third rotating shaft 602 are respectively fixed with a second spur gear 603 and a third spur gear 604 , and the second spur gear 603 and the third spur gear Transmission between 604 is carried out through the toothed belt 605. A first bevel gear 606 is also fixed on the third rotating shaft 602 , a second bevel gear 607 is fixed on one of the first rotating shafts 301 , and the first bevel gear 606 meshes with the second bevel gear 607 .

The operation of the motor 601 can drive the second rotating shaft 401 and the second spur gear 603 to rotate, the second spur gear 603 drives the third spur gear 604 and the third rotating shaft 602 to rotate through the transmission of the toothed belt 605 , and the third rotating shaft 602 rotates through the The transmission of a bevel gear 606 and a second bevel gear 607 drives one of the first rotating shafts 301 to rotate, and further drives the two first rotating shafts 301 to rotate in opposite directions.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements and retouching should also be regarded as the protection scope of the present invention.

Claims (8)

1. a waste plastic recycling device, comprising a base (1) and a crushing still (2) arranged on the base (1), characterized in that: the crushing still (2) is provided with a feeding port (201) and a discharge port (202), wherein a primary crushing mechanism (3) and a secondary crushing mechanism (4) are sequentially arranged in the crushing kettle (2) from top to bottom; The feeding port (201) is used for inputting waste plastics into the crushing kettle (2), and the primary crushing mechanism (3) and the secondary crushing mechanism (4) are used for crushing the waste plastics. The discharge port (202) is used for outputting the crushed plastic particles; A driving mechanism (6) is provided on the base (1), and the driving mechanism (6) is used to drive the primary crushing mechanism (3) and the secondary crushing mechanism (4) to operate. 2 . The waste plastic recycling device according to claim 1 , wherein the primary crushing mechanism ( 3 ) comprises two first rotating shafts ( 301 ) and a plurality of crushing teeth ( 302 ). A rotating shaft (301) is rotatably arranged on the crushing kettle (2), and a plurality of the crushing teeth (302) are respectively arranged on the two first rotating shafts (301). 3. The waste plastic recycling device according to claim 2, wherein the primary crushing mechanism (3) further comprises two first spur gears (303), and the two first spur gears (303) They are respectively arranged on the two first rotating shafts (301), and the two first spur gears (303) are engaged with each other. 4. The waste plastic recycling device according to claim 1, characterized in that: the secondary crushing mechanism (4) comprises a second rotating shaft (401) and a plurality of crushing knives (402), the second rotating shaft (402) 401) is rotatably arranged on the crushing kettle (2), and a plurality of the crushing knives (402) are arranged on the second rotating shaft (401). 5 . The waste plastic recycling device according to claim 1 , wherein the driving mechanism ( 6 ) comprises a motor ( 601 ), and the motor ( 601 ) is arranged on the base ( 1 ), and the The output shaft of the motor (601) is connected with the second rotating shaft (401). 6. The waste plastic recycling device according to claim 5, wherein the driving mechanism (6) further comprises a third rotating shaft (602), a first bevel gear (606) and a second bevel gear (606). 607), the third shaft (602) is rotatably arranged on the base (1), the first bevel gear (606) is arranged on the third shaft (602), the second bevel gear (602) is A gear (607) is arranged on one of the first rotating shafts (301), and the second bevel gear (607) meshes with the first bevel gear (606). 7. The waste plastic recycling device according to claim 6, wherein the driving mechanism (6) further comprises a second spur gear (603), a third spur gear (604) and a toothed belt (605), The second spur gear (603) is arranged on the second rotating shaft (401), the third spur gear (604) is arranged on the third rotating shaft (602), and the toothed belt (605) is arranged on the on the second spur gear (603) and the third spur gear (604), and both the second spur gear (603) and the third spur gear (604) are in phase with the toothed belt (605) mesh. 8 . The waste plastic recycling device according to claim 1 , wherein a filter plate ( 5 ) is arranged in the crushing kettle ( 2 ). 9 .

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