Recycling device for plastic oil tank

Abstract

A plastic oil tank recycling device belongs to the field of waste plastic processing and recycling and comprises a crushing mechanism, a classified recycling mechanism, a rotary cleaning mechanism and a collecting device. A classification recycling mechanism is arranged at the lower end of the crushing mechanism, a water inlet is formed in the upper part of one side of the classification recycling mechanism, and a water outlet is formed in the lower part of the other side of the classification recycling mechanism; the classification recycling mechanism comprises a classification box, a plastic recycling assembly and a metal recycling assembly, the upper portion and the lower portion of one side of the classification box are each provided with two discharging ports, the lower end faces of the discharging ports are inclined planes, the plastic recycling assembly is located above the metal recycling assembly, and the rotary cleaning mechanism is rotationally installed in the classification recycling mechanism; by means of the device, oil stains of the plastic oil tank can be removed, fragments of the crushed plastic oil tank can be classified, and the environment-friendly recycling effect is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of waste plastic processing and recycling, in particular to a recycling device for plastic fuel tanks. BACKGROUND

[0002] Plastic fuel tanks, especially high-density polyethylene fuel tanks, are widely used in the automotive industry. Compared with metal fuel tanks, they have the advantages of lightweight, corrosion resistance, high design freedom, and low cost.

[0003] The number of waste plastic fuel tanks generated by the global annual scrappage of automobiles is huge and continues to grow, posing a significant challenge and environmental pressure for solid waste disposal, such as land occupation by landfill, generation of harmful gases by incineration, and soil and water pollution caused by improper disposal.

[0004] Recycling plastic fuel tanks has important environmental significance, in line with the concept of circular economy, reducing oil resource consumption, reducing carbon emissions, and avoiding environmental pollution.

[0005] The existing technology cannot effectively remove stubborn fuel contaminants and cannot achieve high-value recycling, so a new type of plastic fuel tank recycling device needs to be developed that can effectively solve the above pollution problems. SUMMARY

[0006] To solve the above problems, the present application provides a recycling device for plastic fuel tanks. The rotating direction of the stirring wheels on the first stirring rod and the second stirring rod is perpendicular to the plane, so that the stirring is more thorough, the cleaning of oil stains is more complete, and the classification of plastic fuel tank fragments can be achieved using the buoyancy of water. The first plastic push plate and the second plastic push plate in the plastic recycling assembly have staggered water gaps to prevent plastic fragments from passing through the water gaps, and the mutual extrusion of the first plastic push plate and the second plastic push plate can reduce the moisture of the plastic fragments. The second push plate slidingly installed in the first push plate sliding groove in the metal recycling assembly can make the lower end surface of the second push plate flush with the discharge port, facilitating discharge.

[0007] The technical solution used in the present application is: including: a crushing mechanism, a classification and recycling mechanism, a rotating cleaning mechanism and a collecting device; the lower end of the crushing mechanism is provided with the classification and recycling mechanism, one side of the classification and recycling mechanism is provided with a water inlet, and the other side is provided with a water outlet; the classification and recycling mechanism includes a classification box, a plastic recycling assembly and a metal recycling assembly, two discharge ports are arranged on one side of the classification box, and the lower end surface of the discharge port is inclined, the plastic recycling assembly is located above the metal recycling assembly, the rotating cleaning mechanism is rotatably installed in the interior of the classification and recycling mechanism, and is located between the plastic recycling assembly and the metal recycling assembly; The rotating cleaning mechanism comprises a third motor, a rotating frame, a first stirring rod, a second stirring rod and a bevel gear set; the third motor is fixedly installed outside the filter plate, the rotating frame is rotatably installed inside the filter plate, the rotating shaft of the rotating frame is fixedly connected with the motor shaft of the third motor, the two ends of the first stirring rod are rotatably installed in the round hole of the rotating frame, the rotating frame and the first stirring rod are connected through the sprocket and chain on the rotating shaft, the rotating shaft of the first stirring rod is provided with a plurality of stirring wheels, a plurality of second stirring rods are rotatably installed on the cross frame of the rotating frame, the second stirring rods are provided with a plurality of stirring wheels, each bevel gear set comprises two bevel gears, one of the bevel gears is fixedly installed on the first stirring rod, the other bevel gear is rotatably installed on the cross frame of the rotating frame and is fixedly connected with the second stirring rod, the two bevel gears are meshed with each other, the rotating cleaning mechanism is provided with a plurality of bevel gear sets, the number of the bevel gear sets is consistent with the number of the second stirring rods, and the blades of the stirring wheels on the first stirring rod and the second stirring rod are inclined.

[0008] Preferably, the water inlet and the water outlet of the classified recycling mechanism are provided with filter plates.

[0009] Preferably, the crushing mechanism comprises a feeding port, a crushing box, a first motor, a crushing roller set and a cylindrical gear set. The feeding port is composed of two trapezoids, which is wide at the top and bottom and narrow in the middle, so that the plastic oil tank passes through the middle of the crushing roller set to be crushed, the crushing box is located below the feeding port, the first motor is fixedly installed on one side of the crushing box, the two ends of the crushing roller set are rotatably installed inside the crushing box, the cylindrical gear set comprises two cylindrical gears which are meshed with each other, the rotating shafts of the two cylindrical gears are fixedly connected with the two rotating rollers in the crushing roller set, and the rotating shaft of one of the cylindrical gears is fixedly connected with the motor shaft of the first motor.

[0010] Preferably, the plastic recycling assembly comprises a second motor, a lead screw set, a first plastic push plate, a second plastic push plate and a second cylinder; the second motor is fixedly installed outside the classification box, the classification box is located below the crushing box, the lead screw set comprises two lead screws which are connected through a belt pulley and a belt, the belt pulley rotating shaft on one of the lead screws is fixedly connected with the motor shaft of the second motor, the first plastic push plate is threadedly connected with the lead screw set through a threaded hole, the first plastic push plate is provided with a water passage, the second plastic push plate is slidably installed on one side of the first plastic push plate, the second plastic push plate is also provided with a water passage, the water passage on the first plastic push plate and the water passage on the second plastic push plate are staggered, the second cylinder is fixedly installed on the first plastic push plate, and the telescopic rod of the second cylinder is fixedly connected with the second plastic push plate.

[0011] Preferably, the metal recycling assembly comprises a second motor, a lead screw set, a first push plate, a second push plate and an inclined block. The mounting mode of the second motor and the screw rod set is the same as that of the plastic recycling assembly, the first pushing plate is threadedly connected with the screw rod set through the threaded hole, the second pushing plate is slidingly installed in the sliding groove of the first pushing plate, and the inclined block is fixedly installed on one side of the bottom of the classification box, and the side of the inclined surface of the inclined block faces inward.

[0012] Preferably, a plurality of water holes are arranged on the first pushing plate and the second pushing plate.

[0013] Preferably, the collecting device is divided into two groups for collecting plastic and metal respectively, and is arranged in an up-down mode, and each group of the collecting device comprises a collecting box, a first electric cylinder and a sealing door. The collecting box is fixedly installed on one side of the classification box, the first electric cylinder is fixedly installed on the sealing door, the telescopic rod of the first electric cylinder is fixedly connected with the classification box, and the sealing door is slidingly installed in the discharge port of the classification box, wherein the lower end surface of the sealing door is an inclined surface corresponding to the discharge port of the classification box.

[0014] Preferably, the inner side of the collecting box close to the classification box is an inclined surface, and the lower end surface of the collecting box is provided with a drying electric resistance wire group.

[0015] The beneficial effects of the present application are as follows: 1. Since the rotating directions of the stirring wheels on the first stirring rod and the second stirring rod in the device are perpendicular to each other, the stirring is more sufficient, the oil stain is cleaned more thoroughly, and the classification of plastic oil tank fragments can be realized by using the buoyancy of water, so that the effect of environmental protection and recycling is achieved.

[0016] 2. The interlaced water passing slits on the first plastic pushing plate and the second plastic pushing plate in the plastic recycling assembly prevent the plastic fragments from passing through the water passing slits, and the mutual extrusion of the first plastic pushing plate and the second plastic pushing plate can reduce the moisture of the plastic fragments.

[0017] 3. The second pushing plate slidingly installed in the sliding groove of the first pushing plate in the metal recycling assembly can make the lower end surface of the second pushing plate flush with the discharge port, so that the discharge is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first angle view of the overall structure of the present application.

[0019] Figure 2 It is a second angle view of the overall structure of the present application.

[0020] Figure 3 It is a structural view of the crushing mechanism of the present application.

[0021] Figure 4 It is a first angle view of the classification and recycling mechanism and the rotating cleaning mechanism of the present application.

[0022] Figure 5Second angle schematic view of the classification recycling mechanism and the rotary cleaning mechanism of the present application.

[0023] Figure 6 Third angle schematic view of the classification recycling mechanism and the rotary cleaning mechanism of the present application.

[0024] Figure 7 Structure schematic view of the plastic recycling assembly of the present application.

[0025] Figure 8 Structure schematic view of the rotary cleaning mechanism of the present application.

[0026] Figure 9 Structure schematic view of the metal recycling assembly of the present application.

[0027] Figure 10 Structure schematic view of the inclined block of the present application.

[0028] Reference signs: 1-crushing mechanism; 2-classification recycling mechanism; 3-rotary cleaning mechanism; 4-collection box; 5-first electric cylinder; 6-sealing door; 101-feeding port; 102-crushing box; 103-first motor; 104-crushing roller group; 105-cylindrical gear group; 201-filter plate; 202-classification box; 203-second motor; 204-screw group; 205-first plastic push plate; 206-second plastic push plate; 207-second electric cylinder; 208-first push plate; 209-second push plate; 210-inclined block; 301-third motor; 302-rotating frame; 303-first stirring rod; 304-second stirring rod; 305-bevel gear group. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be further described in detail below with examples and in conjunction with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific implementation disclosed below.

[0030] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, which is only a simplified description for the purpose of describing the present application, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. For those skilled in the art, the specific meaning of the above terms in this application can be understood through specific circumstances.

[0031] For the purposes of promoting an understanding of the principles of the application, reference will now be made to the embodiments illustrated in the drawings. There is shown in the drawings, by way of illustration, a preferred embodiment of the application. However, the application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. The embodiments are presented by way of example only and should not be used to limit the scope of the application.

[0032] Examples of implementation Figures 1-10 As shown in the drawings, a plastic oil tank recycling device comprises a crushing mechanism 1, a classification recycling mechanism 2, a rotary cleaning mechanism 3 and a collecting device; the lower end of the crushing mechanism 1 is provided with the classification recycling mechanism 2, one side of the classification recycling mechanism 2 is provided with a water inlet, and the other side is provided with a water outlet; the classification recycling mechanism 2 comprises a classification box 202, a plastic recycling assembly and a metal recycling assembly, two discharge ports are arranged on the upper and lower sides of the classification box 202 respectively, the lower end surface of the discharge port is a slope, the plastic recycling assembly is located above the metal recycling assembly, and the rotary cleaning mechanism 3 is rotatably installed in the interior of the classification recycling mechanism 2 and located between the plastic recycling assembly and the metal recycling assembly. The rotating cleaning mechanism 3 comprises a third motor 301, a rotating frame 302, a first stirring rod 303, a second stirring rod 304 and a bevel gear set 305; the third motor 301 is fixedly installed outside the filter plate 201, the rotating frame 302 is rotatably installed inside the filter plate 201, the rotating shaft of the rotating frame 302 is fixedly connected with the motor shaft of the third motor 301, the two ends of the first stirring rod 303 are rotatably installed in the round hole of the rotating frame 302, the rotating frame 302 and the first stirring rod 303 are connected through the sprocket and chain on the rotating shaft, a plurality of stirring wheels are arranged on the rotating shaft of the first stirring rod 303, a plurality of second stirring rods 304 are rotatably installed on the cross frame of the rotating frame 302, a plurality of stirring wheels are arranged on the second stirring rod 304, each bevel gear set 305 comprises two bevel gears, one bevel gear is fixedly installed on the first stirring rod 303, the other bevel gear is rotatably installed on the cross frame of the rotating frame 302 and is fixedly connected with the second stirring rod 304, the two bevel gears are meshed with each other, a plurality of bevel gear sets 305 are arranged on the rotating cleaning mechanism 3, the number of the bevel gear sets 305 is consistent with the number of the second stirring rods 304, and the blades of the stirring wheels on the first stirring rod 303 and the second stirring rod 304 are inclined; specifically, when the plastic oil tank is broken, the washing liquid flows into the device through the water inlet on the classification recycling mechanism 2, the third motor 301 is started, the third motor 301 drives the rotating frame 302 to rotate around the motor shaft of the third motor 301, the rotating frame 302 drives the first stirring rod 303 to rotate through the sprocket and chain on the rotating shaft, so that the stirring wheels on the first stirring rod 303 rotate, the first stirring rod 303 drives the second stirring rod 304 to rotate through the bevel gear set 305, so that the stirring wheels on the second stirring rod 304 rotate, the rotating directions of the stirring wheels on the first stirring rod 303 and the second stirring rod 304 are perpendicular to the planes in which the rotating directions of the stirring wheels are located, so that the stirring is more sufficient, the oil stains on the fragments of the plastic oil tank after being broken are cleaned, then the rotating frame 302 is rotated to be horizontal, the operation of the plastic recycling assembly and the metal recycling assembly is prevented from being hindered by the rotating frame 302, after standing for a period of time, the buoyancy of water will make part of the plastic fragments in the plastic oil tank float above the water, and part of the metal sinks below the water, so that the classification is completed.

[0033] In an optional embodiment of the present application, the water inlet and the water outlet of the classification recycling mechanism 2 are both provided with the filter plate 201, so that the tank fragments are prevented from being discharged from the water inlet and the water outlet.

[0034] In an optional embodiment of the present application, as shown in Figure 3 The breaking mechanism 1 comprises an inlet 101, a breaking box 102, a first motor 103, a breaking roller set 104 and a cylindrical gear set 105; The shape of the feed inlet 101 is composed of two trapezoids, wide at the top and bottom and narrow in the middle, so that the plastic oil tank passes through the middle of the crushing roller set 104 to be crushed, the crushing tank 102 is located below the feed inlet 101, the first motor 103 is fixedly installed on one side of the crushing tank 102, and the two ends of the crushing roller set 104 are rotatably installed in the crushing tank 102. The cylindrical gear set 105 includes two cylindrical gears meshing with each other, the rotating shafts of the two cylindrical gears are fixedly connected with two rotating rollers in the crushing roller set 104, and the rotating shaft of one of the cylindrical gears is fixedly connected with the motor shaft of the first motor 103. Specifically, the plastic oil tank is placed in the feed inlet 101, the first motor 103 is operated, the first motor 103 drives the cylindrical gear set 105 to rotate, and the cylindrical gear set 105 drives the crushing roller set 104 to rotate, so that the plastic oil tank is crushed.

[0035] In an optional embodiment of the present application, as shown in Figure 7 The plastic recycling assembly includes a second motor 203, a lead screw set 204, a first plastic push plate 205, a second plastic push plate 206 and a second cylinder 207. The second motor 203 is fixedly installed outside the classification tank 202, and the classification tank 202 is located below the crushing tank 102. The lead screw set 204 includes two lead screws which are connected through a belt pulley and a belt. The belt pulley shaft of one of the lead screws is fixedly connected with the motor shaft of the second motor 203. The first plastic push plate 205 is threadedly connected with the lead screw set 204 through a threaded hole. The first plastic push plate 205 is provided with a water passage slot. The second plastic push plate 206 is slidably installed on one side of the first plastic push plate 205, and the second plastic push plate 206 is also provided with a water passage slot. The water passage slots on the first plastic push plate 205 and the second plastic push plate 206 are staggered. The excess water is drained through the water passage slots on the first plastic push plate 205 and the second plastic push plate 206. The second cylinder 207 is fixedly installed on the first plastic push plate 205, and the second cylinder 207 is fixedly connected with the second plastic push plate 206 through a telescopic rod. Specifically, after the oil tank fragments are placed in water for a period of time, the second motor 203 in the plastic recycling assembly is started, the second motor 203 drives the lead screw set 204 through the belt pulley and the belt, so that the first plastic push plate 205 and the second plastic push plate 206 move towards the discharge port. At the same time, the second cylinder 207 is started, the second cylinder 207 drives the second plastic push plate 206 to slide in the sliding groove of the first plastic push plate 205. When the second plastic push plate 206 completely slides into the first plastic push plate 205, the water passage slots on the first plastic push plate 205 and the second plastic push plate 206 are blocked due to the staggered arrangement, so that the plastic fragments cannot pass through the water passage slots.

[0036] In an optional embodiment of the present application, as shown in Figures 9-10As shown, the metal recovery assembly comprises a second motor 203, a screw rod set 204, a first pushing plate 208, a second pushing plate 209 and a bevel block 210; The mounting mode of the second motor 203 and the screw rod set 204 is the same as that of the plastic recovery assembly, the first pushing plate 208 is threadedly connected with the screw rod set 204 through a threaded hole, the second pushing plate 209 is slidingly installed in a sliding groove of the first pushing plate 208, and the bevel block 210 is fixedly installed on one side of the bottom of the classification box 202, and the side of the inclined surface of the bevel block 210 faces inward, specifically, after the plastic recovery assembly recovers the plastic fragments, the water is discharged through the water outlet, and then the second motor 203 in the metal recovery assembly is started, the second motor 203 drives the screw rod set 204 through a belt pulley and a belt, so that the first pushing plate 208 and the second pushing plate 209 move towards the discharge port, when moving to the position of the bevel block 210, the bevel block 210 lifts the second pushing plate 209, the second pushing plate 209 slides upward in the first pushing plate 208, so that the lower end surface of the second pushing plate 209 is flush with the discharge port, facilitating discharging.

[0037] In an optional embodiment of the present application, a plurality of water holes are arranged on the first pushing plate 208 and the second pushing plate 209.

[0038] In an optional embodiment of the present application, the collecting device is divided into two groups, which are used for collecting plastic and metal respectively and are placed above and below, and each group of collecting devices comprises a collecting box 4, a first electric cylinder 5 and a sealing door 6. The collecting box 4 is fixedly installed on one side of the classification box 202, the first electric cylinder 5 is fixedly installed on the sealing door 6, the telescopic rod of the first electric cylinder 5 is fixedly connected with the classification box 202, and the sealing door 6 is slidingly installed in the discharge port of the classification box 202, wherein the lower end surface of the sealing door 6 is an inclined surface corresponding to the discharge port of the classification box 202; specifically, when discharging is needed, the first electric cylinder 5 is started, the first electric cylinder 5 drives the sealing door 6 to slide out of the discharge port of the classification box 202, opens the discharge port, and makes the classified oil tank fragments fall into the collecting box 4.

[0039] In an optional embodiment of the present application, the side of the collecting box 4 close to the classification box 202 is an inclined surface, facilitating feeding, and a group of drying resistance wires are arranged on the lower end surface of the collecting box 4, which can dry the classified oil tank fragments.

[0040] Working principle: when the device is used, the plastic oil tank is placed in the feeding port 101, the first motor 103 works, the first motor 103 drives the cylindrical gear set 105 to rotate, and the cylindrical gear set 105 drives the crushing roller set 104 to rotate, so as to crush the plastic oil tank. When the plastic oil tank is broken, the washing liquid flows into the device through the water inlet on the classified recycling mechanism 2, the third motor 301 starts, the third motor 301 drives the rotating frame 302 to rotate around the third motor 301 motor shaft, the rotating frame 302 drives the first stirring rod 303 to rotate through the sprocket and chain on the rotating shaft, so that the stirring wheel on the first stirring rod 303 rotates, the first stirring rod 303 drives the second stirring rod 304 to rotate through the bevel gear set 305, so that the stirring wheel on the second stirring rod 304 rotates, wherein the stirring wheel on the first stirring rod 303 and the stirring wheel on the second stirring rod 304 are perpendicular to each other in the plane where the rotation directions of the stirring wheels are located, so that the stirring is more sufficient, and the oil stains on the plastic oil tank broken fragments are washed away, then the rotating frame 302 is rotated to be horizontal, preventing the rotating frame 302 from hindering the operation of the plastic recycling assembly and the metal recycling assembly, and standing for a period of time, the buoyancy of water will make part of the plastic fragments in the plastic oil tank float above the water, and part of the metal sink below the water, thereby completing the classification. When the oil tank fragments stand in the water for a period of time, the second motor 203 in the plastic recycling assembly starts, the second motor 203 drives the lead screw set 204 through the belt pulley and belt, so that the first plastic push plate 205 and the second plastic push plate 206 move towards the discharge port, at the same time, the second electric cylinder 207 starts, the second electric cylinder 207 drives the second plastic push plate 206 to slide in the sliding groove of the first plastic push plate 205, when the second plastic push plate 206 completely slides into the first plastic push plate 205, since the water through slits on the first plastic push plate 205 and the second plastic push plate 206 are staggered, the slits can be blocked, thereby preventing the plastic fragments from passing through the water through slits. When the plastic recycling assembly recovers the plastic fragments, the water is discharged through the water outlet, then the second motor 203 in the metal recycling assembly starts, the second motor 203 drives the lead screw set 204 through the belt pulley and belt, so that the first push plate 208 and the second push plate 209 move towards the discharge port, when moving to the position of the inclined block 210, the inclined block 210 lifts the second push plate 209, the second push plate 209 slides upwards in the first push plate 208, so that the lower end surface of the second push plate 209 is flush with the discharge port, facilitating discharge. When discharging, the first electric cylinder 5 starts, the first electric cylinder 5 drives the sealing door 6 to slide out of the discharge port of the classified box 202, opens the discharge port, and makes the classified oil tank fragments fall into the collection box 4; the drying resistance wire set at the bottom of the collection box 4 dries the classified oil tank fragments.

[0041] Although the embodiments of the present application have been shown and described, it is to be understood that changes can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for recycling a plastic fuel tank, characterized by comprising: Include: Crushing mechanism (1), classification recycling mechanism (2), rotating cleaning mechanism (3) and collecting device; the lower end of the crushing mechanism (1) is provided with the classification recycling mechanism (2), the upper side of one side of the classification recycling mechanism (2) is provided with a water inlet, and the lower side of the other side is provided with a water outlet; the classification recycling mechanism (2) comprises a classification box (202), a plastic recycling assembly and a metal recycling assembly, two discharge ports are respectively arranged on the upper side and the lower side of the classification box (202), and the lower end surface of the discharge port is inclined, the plastic recycling assembly is located above the metal recycling assembly, and the rotating cleaning mechanism (3) is rotatably installed in the classification recycling mechanism (2) and located between the plastic recycling assembly and the metal recycling assembly; The rotating cleaning mechanism (3) comprises a third motor (301), a rotating frame (302), a first stirring rod (303), a second stirring rod (304) and a bevel gear set (305); the third motor (301) is fixedly installed outside the filter plate (201), the rotating frame (302) is rotatably installed inside the filter plate (201), the rotating shaft of the rotating frame (302) is fixedly connected with the motor shaft of the third motor (301), the two ends of the first stirring rod (303) are rotatably installed in the round hole of the rotating frame (302), the rotating frame (302) and the first stirring rod (303) are connected through the chain wheel and chain on the rotating shaft, a plurality of stirring wheels are arranged on the rotating shaft of the first stirring rod (303), a plurality of second stirring rods (304) are rotatably installed on the cross frame of the rotating frame (302), a plurality of stirring wheels are arranged on the second stirring rod (304), each bevel gear set (305) comprises two bevel gears, one bevel gear is fixedly installed on the first stirring rod (303), the other bevel gear is rotatably installed on the cross frame of the rotating frame (302), and the bevel gear is fixedly connected with the second stirring rod (304), the two bevel gears are meshed with each other, a plurality of bevel gear sets (305) are arranged on the rotating cleaning mechanism (3), the number of the bevel gear sets (305) is consistent with the number of the second stirring rods (304), and the blades of the stirring wheels on the first stirring rod (303) and the second stirring rod (304) are inclined.

2. The plastic oil tank recycling apparatus according to claim 1, wherein The water inlet and the water outlet of the classification recycling mechanism (2) are provided with filter plates (201).

3. The plastic oil tank recycling apparatus according to claim 1, wherein The crushing mechanism (1) comprises an inlet (101), a crushing box (102), a first motor (103), a crushing roller set (104) and a cylindrical gear set (105); The shape of the feed inlet (101) is composed of two trapezoids, which is wide at the top and bottom and narrow in the middle, so that the plastic oil tank passes through the middle of the crushing roller group (104) to be crushed, the crushing box (102) is located below the feed inlet (101), the first motor (103) is fixedly installed on one side of the crushing box (102), and the two ends of the crushing roller group (104) are rotatably installed in the crushing box (102), and the cylindrical gear set (105) includes two cylindrical gears meshing with each other, and the rotating shafts of the two cylindrical gears are fixedly connected with two rotating rollers in the crushing roller group (104), and the rotating shaft of one of the cylindrical gears is fixedly connected with the motor shaft of the first motor (103).

4. The plastic oil tank recycling apparatus according to claim 1, wherein The plastic recycling assembly includes a second motor (203), a lead screw set (204), a first plastic push plate (205), a second plastic push plate (206), and a second electric cylinder (207); the second motor (203) is fixedly installed outside the classification box (202), the classification box (202) is located below the crushing box (102), the lead screw set (204) includes two lead screws which are connected through a belt pulley and a belt, the belt pulley shaft on one of the lead screws is fixedly connected with the motor shaft of the second motor (203), the first plastic push plate (205) is threadedly connected with the lead screw set (204) through a threaded hole, the first plastic push plate (205) is provided with a water passage, the second plastic push plate (206) is slidably installed on one side of the first plastic push plate (205), and the second plastic push plate (206) is also provided with a water passage, and the water passage on the first plastic push plate (205) and the water passage on the second plastic push plate (206) are staggered, and the second electric cylinder (207) is fixedly installed on the first plastic push plate (205), and the second electric cylinder (207) is fixedly connected with the second plastic push plate (206).

5. The plastic oil tank recycling apparatus according to claim 1, wherein The metal recycling assembly includes a second motor (203), a lead screw set (204), a first push plate (208), a second push plate (209), and an inclined block (210); The installation mode of the second motor (203) and the lead screw set (204) is the same as that of the plastic recycling assembly, the first push plate (208) is threadedly connected with the lead screw set (204) through a threaded hole, the second push plate (209) is slidably installed in a sliding groove of the first push plate (208), the inclined block (210) is fixedly installed on one side of the bottom of the classification box (202), and one side of the inclined surface of the inclined block (210) faces inward.

6. A plastic oil tank recycling apparatus according to claim 5, wherein A plurality of water holes are formed in the first push plate (208) and the second push plate (209).

7. The plastic oil tank recycling apparatus according to claim 1, wherein The collecting device is divided into two groups for collecting plastic and metal respectively, and is placed one above the other, and each collecting device includes a collecting box (4), a first electric cylinder (5), and a sealing door (6); The collecting box (4) is fixedly installed on one side of the classification box (202), the first electric cylinder (5) is fixedly installed on the sealing door (6), the telescopic rod of the first electric cylinder (5) is fixedly connected with the classification box (202), and the sealing door (6) is slidingly installed in the discharge port of the classification box (202), wherein the lower end surface of the sealing door (6) is a slope corresponding to the discharge port of the classification box (202).

8. The plastic oil tank recycling apparatus according to claim 7, wherein The lower end surface of the collecting box (4) is provided with a drying electric resistance wire.

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