CN115447022A - Plastic recovery device - Google Patents

Abstract

The invention relates to the technical field of plastic processing, and discloses a plastic recycling device, which includes a feeding device, a pretreatment device arranged on one side of the feeding device, and a processing device arranged at the bottom of the pretreatment device; the feeding device includes a three-stage structure The lifting conveyor belt, the feeding section and the middle section of the lifting conveyor belt are respectively equipped with a feeding hopper and a cleaning device, the discharging section of the lifting conveyor belt is equipped with a drying device, and the pretreatment device includes a receiving bucket and a crushing bucket. and a crushing mechanism; the processing device includes a fine crushing box and a fine crushing mechanism arranged in the fine crushing box, and an inclined discharge port is arranged at the bottom of the fine crushing box. The invention provides a plastic recycling device, which can carry out crushing pretreatment and crushing treatment on waste plastics. The graded crushing greatly improves the crushing quality, and the plastics are cleaned before processing to remove mud stains on the surface, and after cleaning, the plastics are cleaned Plastic drying improves the quality of plastic recycling and facilitates subsequent processing.

Description

A plastic recycling device

technical field

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

Background technique

Plastic products are a general term for household and industrial products made of plastic as the main raw material, including injection molding, blister and other products using plastic as raw material. Plastic is a kind of synthetic polymer material with plasticity.

As the consumption of plastic products continues to increase, waste plastics are also increasing. In addition, the annual consumption of plastics for automobiles in my country has reached 400,000 tons, and the annual consumption of plastics for electronic appliances and home appliances has reached more than 1 million tons. These products have become one of the important sources of waste plastics after they are scrapped.

If these huge amounts of waste plastics are recycled unreasonably, they will cause very serious damage to the environment. The current plastic recycling equipment uses the collected plastics for fine crushing, and then further processes the finely crushed plastic particles, but the plastic There are various types of products. When the equipment recycles plastics during recycling, the plastics often have different sizes and shapes. Therefore, it is easy to produce uneven particle sizes during crushing. Some plastics are also particularly dirty. Therefore, finely crushed plastics Too many impurities in the particles will affect the processing quality of subsequent products.

Contents of the invention

The invention provides a plastic recycling device, which can carry out crushing pretreatment and crushing treatment on waste plastics, and the graded crushing greatly improves the crushing quality, and the plastics are cleaned before processing to remove mud stains on the surface, and the plastics are cleaned after cleaning. Plastic drying improves the quality of plastic recycling and facilitates subsequent processing.

A plastic recycling device includes a feeding device, a pretreatment device arranged on one side of the feeding device, and a processing device arranged at the bottom of the pretreatment device.

The feeding device includes a lifting conveyor belt with a three-section structure, the feeding section and the discharging section of the lifting conveyor belt are arranged horizontally, the middle section of the lifting conveyor belt is arranged obliquely, and the lifting conveyor belt The feeding section of the conveyor belt is arranged with a feeding hopper.

A cleaning device capable of cleaning plastics during conveying is arranged in the middle section of the lifting conveyor belt, and a drying device capable of drying the cleaned plastics is arranged at the discharge section of the lifting conveyor belt.

The pretreatment device includes a receiving barrel capable of accepting materials conveyed by the discharge section of the lifting conveyor belt, a crushing barrel communicated with the receiving barrel, and a crushing mechanism arranged inside the crushing barrel. The discharge end of the receiving barrel is arranged on the Below the crushing mechanism.

The processing device includes a crushing box arranged under the receiving barrel and a crushing mechanism arranged in the crushing box, and an inclined discharge opening is arranged at the bottom of the crushing box.

Preferably, the discharge end of the receiving bucket is provided with a metal sieve plate capable of blocking large pieces of plastic from passing through.

Preferably, the cleaning device includes a scouring mechanism arranged in the middle section of the lifting conveyor belt, a water storage tank arranged under the lifting conveyor belt capable of providing water for the scouring mechanism, and a water storage tank arranged at the bottom of the feeding end of the lifting conveyor belt for A water collection tank for collecting accumulated water in the lifting conveyor belt. A water pump for transporting sewage is arranged between the bottom of the water storage tank and the water collection tank. A concave dirt collection pan is arranged at the bottom of the water storage tank. The bottom of the water storage tank is arranged with a sewage outlet communicated with the dirt collecting pan.

Preferably, the flushing mechanism includes a water pump 2 arranged on the top of the water storage tank, several installation frames evenly arranged on the middle section of the lifting conveyor belt, and several evenly arranged on each of the installation frames and facing the lifting conveyor belt. High-pressure nozzles with spraying, each of the high-pressure nozzles is connected to the outlet end of the water pump two through a water pipe, the water inlet end of the water pump two is arranged with a hose that goes deep into the water storage tank, and the end of the hose is arranged There is a filter mechanism, and a floating ball is tied to the position of the hose near the filter mechanism by a traction rope.

Preferably, the filter mechanism is a water inlet structure of a vertebral body structure, and several water inlets are arranged on the surface of the vertebral body structure, and support needles are arranged between two adjacent water inlets, and the length of all the support needles is Both size and angle of inclination are inconsistently arranged.

Preferably, the drying device includes a drying hood arranged above the discharge section of the lifting conveyor belt, a number of oven lamps are arranged on the inner wall of the drying hood, and an induced draft fan is also arranged on the drying hood.

Preferably, the crushing mechanism includes a percussion hammer arranged laterally in the crushing barrel and a driving end capable of driving the percussion hammer to reciprocally strike the plastic, and the inner wall of the crushing barrel is arranged with a collision plate matching the striking end of the percussion hammer, so The ends of the impact hammer and the collision plate extruding the plastic are arranged with interlaced zigzag structures.

Preferably, the crushing mechanism includes two crushing rollers interlaced with each other, a motor arranged at the bottom of the crushing box, and a transmission mechanism connected to the driving end of the motor to drive the two crushing rollers to crush the plastic.

Preferably, the transmission mechanism is a belt transmission.

Compared with the prior art, the beneficial effects of the present invention are: (1) By arranging a cleaning device in the middle section of the feeding device, the sediment attached to the plastic surface is cleaned before finely crushing the plastic to avoid subsequent influences To improve the quality of plastic particles, a drying device is arranged in the discharge section of the cleaning device to remove the water droplets adhered to the plastic surface after cleaning. (2) By arranging a water collecting tank at the bottom of the feeding end of the lifting conveyor belt, the sewage after cleaning by the cleaning device is collected, and the collected sewage is transported to the water storage tank by the water pump 1, and then the water pump 2 will store the sewage The water in the water tank is pumped out, and the plastic is washed by the high-pressure nozzle to form a water cycle, which can recycle the water, and can regularly replace the sewage through the sewage outlet arranged on the water storage tank. (3) By arranging a hose that goes deep into the water storage tank at the water inlet end of the water pump 2, and a floating ball is tied on the hose through a traction rope, the water pump 2 transports the water in the water storage tank to high pressure through the hose. Nozzle, so as to wash the plastic, and the arrangement of the floating ball can make the water inlet end of the hose keep close to the water level with the change of water depth, and stay away from the deep water position where the sediment is deposited, so as to reduce the use of pumping out the sewage with sediment , while keeping it lowered at the horizontal level, effectively reducing the adsorption of floating debris at the water inlet and avoiding unnecessary blockage. (4) By arranging a filter mechanism at the end of the hose, the filter mechanism is arranged as a water inlet structure with a vertebral structure, and several water inlets are arranged on the surface of the water inlet structure, and the distance between two adjacent water inlets is Arranged with support pins, because the lengths and inclination angles of all support pins are arranged inconsistently, floating objects can be blocked by the support pins, and because the lengths and inclination angles of the support pins are different, it can effectively prevent floating objects from blocking the water inlet. The arrangement of the filter mechanism can prevent floating debris from entering the hose.

Description of drawings

Fig. 1 is a structural schematic diagram 1 of the present invention.

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

Figure 3 is a side view of the present invention.

Fig. 4 is a structural schematic diagram of a pretreatment device and a treatment device.

FIG. 5 is an enlarged view of A in FIG. 3 .

Explanation of reference signs: 1-elevating conveyor belt, 2-feed hopper, 3-receiving barrel, 4-crushing barrel, 5-fine crushing box, 6-discharge port, 7-metal sieve plate, 8-water storage tank , 9-water collection tank, 901-dirt collection plate, 902-drain outlet, 10-water pump one, 1001-water pump two, 1002-hose, 1003-floating ball, 11-mounting frame, 12-high pressure nozzle, 13-drying Dry cover, 14-baking lamp, 15-induced fan, 16-impact hammer, 17-driving end, 18-impact plate, 19-fine crushing roller, 20-motor, 21-transmission mechanism, 22-water inlet, 23-support Needle.

detailed description

A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

As shown in Figures 1-5, a plastic recycling device includes a feeding device, a pretreatment device arranged on one side of the feeding device, and a processing device arranged at the bottom of the pretreatment device.

The feeding device includes a lifting conveyor belt 1 with a three-section structure, the feeding section and the discharging section of the lifting conveyor belt 1 are arranged horizontally, the middle section of the lifting conveyor belt 1 is arranged obliquely, and the feeding section of the lifting conveyor belt 1 The feeding section is arranged with a feeding hopper 2, and the plastic is lifted and conveyed by arranging the lifting conveyor belt 1, which is convenient for subsequent crushing and processing, and saves the trouble of manual feeding.

Located in the middle section of the lifting conveyor belt 1 is a cleaning device that can clean the plastics in the conveying process. Specifically, the cleaning device includes a flushing mechanism arranged in the middle section of the lifting conveyor belt 1, a The bottom of the water storage tank 8 that can provide water for the flushing mechanism and the water collection tank 9 arranged at the bottom of the feed end of the lifting conveyor belt 1 for collecting water accumulated in the lifting conveyor belt 1, the bottom of the water storage tank 8 and the water collection box A water pump 10 for transporting sewage is arranged between 9, and the sewage washed by the plastic flushing mechanism gathers to the feeding end of the lifting conveyor belt 1 at a lower position, gathers into the water collection tank 9, and is pumped into the water storage by the water pump 10 In the box 8, because the cleaning is mainly aimed at the silt adhered to the plastic, the silt in the sewage will naturally settle and gather in the dirt collection tray 901. A concave dirt collection tray 901 is arranged at the bottom of the water storage tank 8 to store water. The bottom of the box 8 is provided with a sewage outlet 902 communicating with the dirt collection tray 901 , and the dirt collected in the dirt collection tray 901 can be extracted and removed regularly through the arrangement of the sewage outlet 902 .

Specifically, the flushing mechanism includes a water pump 2 1001 arranged on the top of the water storage tank 8, several installation frames 11 evenly arranged on the middle section of the lifting conveyor belt 1, and several evenly arranged on each installation frame 11 and facing the lifting The high-pressure nozzle 12 sprayed by the conveyor belt 1, each high-pressure nozzle 12 is connected with the outlet end of the water pump 1001 through a water pipe, and the water inlet end of the water pump 1001 is arranged with a hose 1002 that goes deep into the water storage tank 8, and the hose 1002 A filter mechanism is arranged at the end of the hose 1002, and a floating ball 1003 is tied to the position of the hose 1002 close to the filter mechanism. The water pump 2 1001 transports the water in the water storage tank 8 to the high-pressure nozzle 12 through the hose 1002, so as to clean the plastic. Flushing, the arrangement of the filter mechanism can prevent floating sundries from entering the hose 1002, and the arrangement of the floating ball 1003 can keep the water inlet end of the hose 1002 at a position close to the water level along with the change of water depth, away from sedimentation The deep water position reduces the need to pump out the sewage with sediment for cleaning, and at the same time keeps it lowered at the horizontal level, effectively reducing the adsorption of floating debris at the water inlet and avoiding unnecessary blockage.

The filter mechanism is a water inlet structure with a vertebral body structure. Several water inlets 22 are arranged on the surface of the vertebral body structure. Support needles 23 are arranged between two adjacent water inlets 22. The length dimensions and inclination angles of all the support needles 23 are the same. Inconsistent arrangement, the floating objects can be blocked by the supporting needles 23, and the floating objects can effectively prevent the water inlet 22 from being blocked due to the different lengths and inclination angles of the supporting needles 23.

The discharge section of the lifting conveyor belt 1 is arranged with a drying device capable of drying the cleaned plastic; specifically, the drying device includes a drying cover 13 arranged above the discharge section of the lifting conveyor belt 1, and the drying A number of baking lamps 14 are arranged on the inner wall of the drying cover 13, and an induced draft fan 15 is also arranged on the drying cover 13. The temperature of the baking lamp 14 can evaporate water, so as to avoid deformation of the plastic due to overheating, and the induced draft fan 15 can cause hot air flow , improve the drying effect.

The pretreatment device includes a receiving barrel 3 capable of receiving materials conveyed by the discharge section of the lifting conveyor belt 1, a crushing barrel 4 connected to the receiving barrel 3, and a crushing mechanism arranged inside the crushing barrel 4. The discharge end of the receiving barrel 3 is arranged on Below the crushing mechanism, specifically, the discharge end of the receiving bucket 3 is arranged with a metal sieve plate 7 capable of blocking the passage of large pieces of plastic; specifically, the crushing mechanism includes a percussion hammer 16 arranged horizontally in the crushing bucket 4 and can Drive the impact hammer 16 to reciprocate and impact the driving end 17 of the plastic. The inner wall of the crushing barrel 4 is arranged with a collision plate 18 that matches the impact end of the impact hammer 16. The ends of the impact hammer 16 and the collision plate 18 are mutually extruded plastic. The staggered sawtooth structure can better crush plastics.

The processing device includes a crushing box 5 arranged under the receiving barrel 3 and a crushing mechanism arranged in the crushing box 5. The bottom of the crushing box 5 is arranged with an inclined discharge port 6, and the plastic crushed by the impact hammer 16 passes through the metal screen. The screening of the plate 7 enters the crushing box 5 to continue the crushing process, and the bulk plastics that do not pass through the metal sieve plate 7 continue to be hit by the impact hammer 16.

Specifically, the crushing mechanism includes two interlaced crushing rollers 19, a motor 20 arranged at the bottom of the crushing box 5, and a transmission mechanism 21 connected to the driving end of the motor 20 that can drive the two crushing rollers 19 to crush plastics. Specifically, the transmission mechanism 21 is driven by a belt, and the rotation of the motor 20 is driven by the belt to drive the two crushing rollers 19 to rotate alternately, to carry out fine crushing processing on the plastic entering its upper part, and the finely crushed plastic particles are discharged from the discharge port 6 material.

When the present invention is in use, the collected waste plastics are put into the feed hopper 2, and the plastics are conveyed by the lifting conveyor belt 1. During the conveying process, in the middle section of conveying, the cleaning device flushes the passing plastics , the washed plastic enters the discharge section of the conveying, and enters the pretreatment device after being dried by the drying device, and is crushed by the breaking hammer, and the large plastic particles are broken into small plastic particles and enter the processing device. Carry out final fine crushing.

It will be obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, but that it can be embodied in other specific forms without departing from the spirit and essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

To sum up, the present invention provides a plastic recycling device, which performs crushing pretreatment and crushing treatment on waste plastics. Grading and crushing greatly improves the crushing quality, and the plastics are cleaned before processing to remove mud stains on the surface. And after cleaning, the plastic is dried to improve the quality of plastic recycling and facilitate subsequent processing.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole, The technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. A plastic recycling device is characterized by comprising a feeding device, a pretreatment device arranged on one side of the feeding device and a treatment device arranged at the bottom of the pretreatment device;

the feeding device comprises a lifting type conveying belt (1) with a three-section structure, a feeding section and a discharging section of the lifting type conveying belt (1) are both horizontally arranged, the middle section of the lifting type conveying belt (1) is obliquely arranged, and a feeding hopper (2) is arranged at the feeding section of the lifting type conveying belt (1);

a cleaning device capable of cleaning plastics in the conveying process is arranged at the middle section of the lifting type conveying belt (1), and a drying device capable of drying the cleaned plastics is arranged at the discharging section of the lifting type conveying belt (1);

the pretreatment device comprises a receiving barrel (3) capable of receiving materials conveyed by a discharge section of the lifting type conveying belt (1), a crushing barrel (4) communicated with the receiving barrel (3) and a crushing mechanism arranged inside the crushing barrel (4), wherein the discharge end of the receiving barrel (3) is arranged below the crushing mechanism;

the processing device comprises a fine crushing box (5) arranged below the receiving barrel (3) and a fine crushing mechanism arranged in the fine crushing box (5), wherein an inclined discharge hole (6) is formed in the bottom of the fine crushing box (5).

2. A plastic recycling apparatus as set forth in claim 1, wherein: and a metal sieve plate (7) capable of blocking the passage of large plastic blocks is arranged at the discharge end of the receiving barrel (3).

3. A plastic recycling apparatus as set forth in claim 1, wherein: the cleaning device comprises a scouring mechanism arranged at the middle section of a lifting type conveying belt (1), a water storage tank (8) arranged below the lifting type conveying belt (1) and a water collection tank (9) arranged at the bottom of the feeding end of the lifting type conveying belt (1) and used for collecting accumulated water in the lifting type conveying belt (1), a first water pump (10) used for conveying sewage is arranged between the bottom of the water storage tank (8) and the water collection tank (9), a concave dirt collection disc (901) is arranged at the bottom of the water storage tank (8), and a drain opening (902) communicated with the dirt collection disc (901) is arranged at the bottom of the water storage tank (8).

4. A plastic recycling apparatus according to claim 3, characterized in that: the scouring mechanism comprises a second water pump (1001) arranged at the top of the water storage tank (8), a plurality of mounting racks (11) and a plurality of high-pressure spray heads (12) which are uniformly arranged at the middle section of the lifting type conveying belt (1) and are uniformly arranged on each mounting rack (11) and are sprayed towards the lifting type conveying belt (1), each high-pressure spray head (12) is connected with the water outlet end of the second water pump (1001) through a water pipe, a hose (1002) which extends into the water storage tank (8) is arranged at the water inlet end of the second water pump (1001), a filtering mechanism capable of preventing floating objects from being blocked is arranged at the end part of the hose (1002), and a floating ball (1003) is arranged at the position, close to the filtering mechanism, of the hose (1002) through a traction rope bolt.

5. A plastic recycling apparatus as set forth in claim 4, wherein: the filtering mechanism is a water inlet structure of a cone structure, a plurality of water inlets (22) are arranged on the surface of the cone structure, supporting needles (23) are uniformly arranged between every two adjacent water inlets (22), and the length size and the inclination angle of all the supporting needles (23) are not uniformly arranged.

6. A plastic recycling apparatus as set forth in claim 1, wherein: drying device is including arranging stoving cover (13) in promotion formula conveyer belt (1) ejection of compact section top, a plurality of roast lamps (14) have been arranged to the inner wall of stoving cover (13), still arranged draught fan (15) on stoving cover (13).

7. A plastic recycling apparatus as set forth in claim 1, wherein: the crushing mechanism comprises an impact hammer (16) transversely arranged in a crushing barrel (4) and a driving end (17) capable of driving the impact hammer (16) to impact plastics in a reciprocating mode, a collision plate (18) matched with the impact end of the impact hammer (16) is arranged on the inner wall of the crushing barrel (4), and staggered zigzag structures are arranged at one end, where the impact hammer (16) and the collision plate (18) extrude plastics, of each other.

8. A plastic recycling apparatus as set forth in claim 1, wherein: the fine crushing mechanism comprises two fine crushing rollers (19) which are staggered with each other, a motor (20) arranged at the bottom of the fine crushing box (5) and a transmission mechanism (21) which is connected with the driving end of the motor (20) and can drive the two fine crushing rollers (19) to finely crush plastics.

9. A plastic recycling apparatus as set forth in claim 8, wherein: the transmission mechanism (21) is in belt transmission.

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