CN108943507B

CN108943507B - Waste plastic recycling and crushing device and crushing method

Info

Publication number: CN108943507B
Application number: CN201810765171.1A
Authority: CN
Inventors: 戎耀
Original assignee: Shandong Zhongqing Environmental Protection Technology Co ltd
Current assignee: Shandong Zhongqing Environmental Protection Technology Co.,Ltd.
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2020-12-22
Anticipated expiration: 2038-07-12
Also published as: CN108943507A

Abstract

The invention relates to the technical field of plastic crushing processing, in particular to a waste plastic recovery crushing device and a crushing method, wherein a double-layer design is adopted, an inner cylinder is used as a primary crushing cavity, a first rotating motor drives a moving knife to interact with a static knife on the inner wall of the inner cylinder for cutting and crushing, meanwhile, particles fall between the inner cylinder and an outer cylinder, the inner cylinder performs swinging motion under the action of a second servo motor, the particles are ground, the particle size is further reduced, and the qualification rate of a final finished product is improved; the inner cylinder does swing motion under the action of the second servo motor, and meanwhile, the falling of particles is assisted, and the condition of blockage of a discharge port is improved; a supporting hydraulic rod is arranged at one end of the bottom of the outer barrel, supporting legs with fixed heights are arranged at the other end of the bottom of the outer barrel, and the inner barrel and the outer barrel are driven to swing around the supporting legs by adjusting the extension of the supporting hydraulic rod so as to assist crushing, blanking and grinding; the feeder hopper adopts actuating cylinder to reciprocate, effectively guarantees during the feeding that the material gets into the inner tube, also can not cause the interference at the device during operation.

Description

Waste plastic recycling and crushing device and crushing method

Technical Field

The invention relates to the technical field of plastic crushing processing, in particular to a waste plastic recycling and crushing device and a waste plastic recycling and crushing method.

Background

The plastic takes synthetic resin or natural resin as a basic raw material, various plastic additives, reinforcing materials and fillers are added (or not added), under certain temperature and pressure, a lot of excess materials are generated in the plastic processing process of a solid material or a product obtained by processing, molding or crosslinking and curing molding, in addition, waste plastics such as waste plastics, excess materials and the like are collected by a recycling station and the like, and can be reused through reprocessing, so that the environment protection and social sustainable development concept is met. The existing stirring and crushing device has the defects that the crushing and stirring are insufficient, the stirring and crushing uniformity cannot be ensured, and the particle size of a crushed finished product is not too large.

Disclosure of Invention

Technical problem to be solved

The invention aims to overcome the defects in the prior art and provides a waste plastic recycling and crushing device and a waste plastic recycling and crushing method.

(II) technical scheme

A waste plastic recycling and crushing device comprises an outer cylinder and an inner cylinder which are transversely arranged, wherein the inner cylinder is arranged inside the outer cylinder; the top of the outer cylinder is provided with a feed inlet, and the bottom of the outer cylinder is provided with a discharge hopper; the inner cylinder is provided with a feeding hole corresponding to the feeding port; the bottom of the inner cylinder is also provided with a discharge hole; one end of the outer cylinder is provided with a first rotating motor, an output shaft of the first rotating motor horizontally extends out and is connected with a rotating shaft, and the rotating shaft penetrates through the outer cylinder and extends into the inner cylinder; the other end of the outer barrel is provided with a second servo motor, an output shaft of the second servo motor horizontally extends out and penetrates through the outer barrel to be connected with the inner barrel, and the second servo motor drives the inner barrel to perform swinging motion; the rotating shaft is uniformly provided with moving cutters, the inner wall of the inner barrel is provided with static cutters, and the moving cutters and the static cutters are arranged in a staggered manner; the outer wall surface of the bottom of the inner barrel is also provided with a grinding ball, and the outer barrel is correspondingly provided with a sieve plate.

Preferably, the discharge port is provided with a filter screen.

Preferably, one end of the bottom of the outer barrel is provided with a supporting hydraulic rod, the other end of the bottom of the outer barrel is provided with a supporting leg with a fixed height, the bottoms of the supporting hydraulic rod and the supporting leg are provided with a base, and the top of the supporting hydraulic rod is hinged with the discharging hopper.

Preferably, the positions of the discharge holes and the positions of the grinding balls are staggered.

Preferably, the feeding port is provided with a feeding hopper, the bottom of the feeding hopper is provided with a plurality of inverted V-shaped partition plates, and blanking branch pipes are formed among the partition plates, the partition plates and the wall surface of the feeding hopper; the feed inlets are arranged at the top of the inner barrel at intervals, the positions of the feed inlets correspond to the blanking branch pipes, and the inner diameters of the feed inlets are larger than or equal to the outer diameters of the bottom ends of the blanking branch pipes.

Preferably, the top of the outer barrel is also provided with an adjusting cylinder, the adjusting cylinder is arranged on two sides of the feeding hopper, and the telescopic end of the adjusting cylinder is connected with the feeding hopper to drive the feeding hopper to move up and down.

Preferably, the inner side of the top of the outer barrel is provided with a camera for checking the position of the feed opening, and the camera transfers image signals to an external display.

The crushing method using the device comprises the following steps,

s1, adjusting a second servo motor according to the image information reflected by the camera, and rotating the inner cylinder to enable the feed inlet to face the feed hopper;

s2, adjusting the contraction of the adjusting cylinder, putting down the feed hopper, and enabling the bottom end of the blanking branch pipe to penetrate through the feed inlet and extend into the inner barrel;

s3, feeding from a feed hopper, and allowing waste plastics to fall into an inner barrel through a blanking branch pipe;

s4, adjusting the extension of the adjusting cylinder, lifting the feed hopper, and separating the blanking branch pipe from the inner cylinder;

s5, starting a first rotating motor, rotating a rotating shaft, and cutting plastics under the action of a moving knife and a static knife;

s6, adjusting the support hydraulic rod to stretch up and down, and enabling the device to swing around the support leg to drive the material to move back and forth;

s7, the crushed plastic falls on the sieve plate through the discharge hole, and a second servo motor is started to drive the inner cylinder to swing, so that the crushed plastic is assisted to fall, and the grinding balls of the inner cylinder are driven to grind the crushed plastic;

and S8, the material meeting the requirement of the particle size falls down from the sieve plate and is discharged from the discharge hopper.

Preferably, the sequences of S5 and S6 are interchanged.

Preferably, the sequences of S6 and S7 are interchanged.

(III) advantageous effects

The invention provides a waste plastic recycling and crushing device and a waste plastic recycling and crushing method, which have the following advantages:

1, adopt the bilayer formula to establish the design, the inner tube is as elementary crushing chamber, rotates the motor through one and drives the quiet sword interact who moves sword and inner tube inner wall and cut crushing, and the granule falls into between inner tube and the urceolus simultaneously, and the inner tube is the motion of swaying under No. two servo motor's effect, grinds the granule, further reduces the granule size, improves final off-the-shelf qualification rate.

2, the inner cylinder also assists the falling of particles while swinging under the action of the second servo motor, and the condition that the discharge hole is blocked is improved.

3, urceolus bottom one end is provided with the support hydraulic stem, and the other end is provided with the support leg of fixed height, and it rocks around the supporting legs to support the flexible interior urceolus of driving of hydraulic stem through the adjustment, supplementary crushing, unloading, grinding.

4. The feeder hopper adopts actuating cylinder to reciprocate, effectively guarantees during the feeding that the material gets into the inner tube, also can not cause the interference at the device during operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used for describing the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a block diagram of station A of the present invention;

FIG. 3 is a block diagram of station B of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-outer cylinder, 101-feed hopper, 1011-adjusting cylinder, 1012-clapboard, 102-discharge hopper, 103-supporting hydraulic rod, 104-supporting foot, 2-inner cylinder, 201-feed inlet, 202-discharge outlet, 3-first rotating motor, 4-rotating shaft, 5-moving blade, 6-static blade, 7-second servo motor, 8-grinding ball, 9-sieve plate and 10-camera.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A waste plastic recycling and crushing device comprises an outer cylinder 1 and an inner cylinder 2 which are transversely arranged, wherein the inner cylinder 2 is sleeved in the outer cylinder 1; the top of the outer cylinder 1 is provided with a feeding port, and the bottom is connected with a discharging hopper 102; a feeding port 201 is processed on the inner cylinder 2 corresponding to the feeding port; the bottom of the inner cylinder 2 is also provided with a discharge hole 202; one end of the outer barrel 1 is provided with a first rotating motor 3, an output shaft of the first rotating motor 3 horizontally extends out and is connected with a rotating shaft 4, and the rotating shaft 4 penetrates through the outer barrel 1 and extends into the inner barrel 2; the other end of the outer barrel 1 is provided with a second servo motor 7, an output shaft of the second servo motor 7 horizontally extends out and penetrates through the outer barrel 1 to be connected with the inner barrel 2, and the second servo motor 7 drives the inner barrel 2 to perform swinging motion; the rotating shaft 4 is uniformly provided with moving cutters 5, the inner wall of the inner barrel 2 is provided with static cutters 6, the moving cutters 5 and the static cutters 6 are arranged in a staggered mode, the rotating shaft 4 is driven by the first rotating motor 3 to rotate, and the moving cutters 5 and the static cutters 6 interact with each other to cut and crush; the outer wall surface at the bottom of the inner cylinder 2 is also fixedly connected with a grinding ball 8, and the outer cylinder 1 is correspondingly provided with a sieve plate 9.

Wherein, the discharge port 202 is arranged in a staggered way with the grinding balls 8.

Wherein, discharge gate 202 installs the filter screen, filters primary kibbling plastics.

The basic working principle is as follows:

waste plastics are put into the inner cylinder 2, the first rotating motor 3 drives the rotating shaft 4 to rotate, and the movable knife 5 and the static knife 6 interact to cut; the crushed plastic falls on the sieve plate 9 through the discharge port 202, the second servo motor 7 drives the inner cylinder 2 to swing, the crushed plastic falls in an auxiliary mode, the grinding balls 8 of the inner cylinder 2 are driven to grind the crushed plastic, and the material meeting the requirement of the particle size falls on the sieve plate 9 and is discharged from the discharge hopper 102.

Example 2

The difference with embodiment 1 lies in that, outer cylinder 1 bottom one end is provided with support hydraulic stem 103, and the other end is provided with fixed height's supporting legs 104, supports hydraulic stem 103 and supporting legs 104 bottom and installs the base, the top is articulated with play hopper 102, through adjusting support hydraulic cylinder 103 flexible, drives whole device and rocks around supporting legs 104, supplementary crushing grinding.

Example 3

The difference from the embodiment 2 is that the feeding port is provided with a feeding hopper 101, the bottom of the feeding hopper 101 is provided with a plurality of inverted V-shaped partition boards 1012, and a blanking branch pipe is formed among the partition boards 1012, the partition boards 1012 and the wall surface of the feeding hopper 101; the feed inlets 201 are arranged at the top of the inner barrel 2 at intervals, and the positions of the feed inlets 201 correspond to the blanking branch pipes; adjusting cylinder 1011 is still installed at 1 top of urceolus, and adjusting cylinder 1011 sets up in feeder hopper 101 both sides, and the feeder hopper 101 is connected to adjusting cylinder 1011's the end that stretches out and draws back, drives feeder hopper 101 and reciprocates.

The feed hopper 101 is driven to move up and down through the adjusting cylinder 1011, and a blanking branch pipe penetrates through the feed port 201 during feeding, so that the materials are ensured to fall into the inner cylinder 2 completely; during the crushing and grinding, the feed hopper 101 is lifted up to avoid interference.

Example 4

The difference from the embodiment 3 is that a camera 10 for checking the position of the feed opening is installed on the inner side of the top of the outer cylinder 1, and the camera 10 transfers image signals to an external display, so that the alignment operation of personnel is facilitated.

Since the technical effect brought by the technical solution included in example 4 is the most, the whole working mode of the present invention, that is, the pulverization method, is described in this example:

s1, adjusting a second servo motor 7 according to the image information reflected by the camera 10, and rotating the inner cylinder 2 to enable the feeding port 201 to face the feeding hopper 101;

s2, adjusting the contraction of the adjusting cylinder 1011, putting down the feed hopper 101, and enabling the bottom end of the blanking branch pipe to penetrate through the feed port 201 and extend into the inner cylinder 2;

s3, feeding from the feed hopper 101, and allowing the waste plastics to fall into the inner cylinder 2 through a discharge branch pipe;

s4, adjusting the extension of the adjusting cylinder 1011, lifting the feed hopper 101 and separating the blanking branch pipe from the inner cylinder 2;

s5, starting the first rotating motor 3, rotating the rotating shaft 4, and cutting the plastic by the action of the movable knife 5 and the static knife 6;

s6, adjusting the support hydraulic rod 103 to stretch up and down, and enabling the device to swing around the support leg 104 to bring animal materials to move back and forth;

s7, the crushed plastic falls on the sieve plate 9 through the discharge port 202, the second servo motor 7 is started to drive the inner cylinder 2 to swing, the crushed plastic is assisted to fall, and the grinding balls of the inner cylinder 2 are driven to grind the crushed plastic;

and S8, the materials meeting the requirement of the particle size fall down from the sieve plate 9 and are discharged from the discharge hopper 102.

Wherein, the sequence of S5 and S6 is interchanged according to the requirement.

Wherein, the sequence of S6 and S7 is interchanged according to the requirement.

It should be noted that the above-mentioned electronic control elements are all provided with a power supply, and are generally described herein for avoiding redundancy.

In the description herein, references to the description of "one embodiment," "an example," "a specific embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The waste plastic recycling and crushing device is characterized by comprising an outer cylinder (1) and an inner cylinder (2) which are transversely arranged, wherein the inner cylinder (2) is arranged in the outer cylinder (1); the top of the outer cylinder (1) is provided with a feeding port, and the bottom of the outer cylinder is provided with a discharging hopper (102); the inner cylinder (2) is provided with a feeding hole (201) corresponding to the feeding port; the bottom of the inner cylinder (2) is also provided with a discharge hole (202); one end of the outer cylinder (1) is provided with a first rotating motor (3), an output shaft of the first rotating motor (3) horizontally extends out and is connected with a rotating shaft (4), and the rotating shaft (4) penetrates through the outer cylinder (1) and extends into the inner cylinder (2); the other end of the outer cylinder (1) is provided with a second servo motor (7), an output shaft of the second servo motor (7) horizontally extends out and penetrates through the outer cylinder (1) to be connected with the inner cylinder (2), and the second servo motor (7) drives the inner cylinder (2) to perform swinging motion; the movable cutters (5) are uniformly arranged on the rotating shaft (4), the static cutters (6) are arranged on the inner wall of the inner cylinder (2), and the movable cutters (5) and the static cutters (6) are arranged in a staggered mode; the outer wall surface of the bottom of the inner cylinder (2) is also provided with a grinding ball (8), and the outer cylinder (1) is correspondingly provided with a sieve plate (9);

a supporting hydraulic rod (103) is arranged at one end of the bottom of the outer cylinder (1), a supporting leg (104) with a fixed height is arranged at the other end of the bottom of the outer cylinder, a base is arranged at the bottoms of the supporting hydraulic rod (103) and the supporting leg (104), and the top of the supporting hydraulic rod is hinged with the discharge hopper (102);

the feeding port is provided with a feeding hopper (101), the bottom of the feeding hopper (101) is provided with a plurality of inverted V-shaped partition plates (1012), and blanking branch pipes are formed among the partition plates (1012), the partition plates (1012) and the wall surface of the feeding hopper (101); the feed inlets (201) are arranged at the top of the inner barrel (2) at intervals, the positions of the feed inlets (201) correspond to the blanking branch pipes, and the inner diameters of the feed inlets (201) are larger than or equal to the outer diameters of the bottom ends of the blanking branch pipes;

the top of the outer cylinder (1) is also provided with an adjusting cylinder (1011), the adjusting cylinder (1011) is arranged on two sides of the feed hopper (101), and the telescopic end of the adjusting cylinder (1011) is connected with the feed hopper (101) to drive the feed hopper (101) to move up and down;

the inner side of the top of the outer barrel (1) is provided with a camera (10) used for checking the position of the feed opening, and the camera (10) transfers image signals to an external display.

2. The recycling and pulverizing apparatus for waste plastics according to claim 1, wherein said discharge port (202) is provided with a strainer.

3. The recycling and crushing device for waste plastics according to claim 1, wherein the discharge port (202) is staggered with the grinding balls (8).

4. A pulverization method using the apparatus as set forth in claim 3, characterized by comprising the steps of,

s1, adjusting a second servo motor (7) according to image information reflected by the camera (10), and rotating the inner cylinder (2) to enable the feeding port (201) to face the feeding hopper (101);

s2, adjusting the contraction of the adjusting cylinder (1011), putting down the feed hopper (101), and enabling the bottom end of the blanking branch pipe to penetrate through the feed port (201) and extend into the inner cylinder (2);

s3, feeding materials from a feed hopper (101), and enabling waste plastics to fall into the inner barrel (2) through a feeding branch pipe;

s4, adjusting the extension of the adjusting cylinder (1011), lifting the feed hopper (101) and separating the blanking branch pipe from the inner cylinder (2);

s5, starting the first rotating motor (3), rotating the rotating shaft (4) to cut the plastic under the action of the moving knife (5) and the static knife (6);

s6, adjusting the support hydraulic rod (103) to stretch up and down, and enabling the device to swing around the support leg (104) to drive the material to move back and forth;

s7, the crushed plastic falls on the sieve plate (9) through the discharge hole (202), and the second servo motor (7) is started to drive the inner cylinder (2) to swing, so that the crushed plastic is assisted to fall, and the grinding balls (8) of the inner cylinder (2) are driven to grind the crushed plastic;

and S8, the material meeting the requirement of the particle size falls down from the sieve plate (9) and is discharged from the discharge hopper (102).

5. The pulverization method according to claim 4, wherein S5 and S6 are interchanged in order.

6. The pulverization method according to claim 4, wherein S6 and S7 are interchanged in order.