Degradable plastic bag crushing and recycling device

Abstract

The degradable plastic bag crushing and recycling device comprises a heating box and a collecting box, the inner wall of a feeding opening is rotationally connected with a top cover, and the inner wall of the heating box is provided with a crushing mechanism, two hot air circulating mechanisms, two first guide plates and two second guide plates; the first guide plates and the second guide plates are fixedly connected to the inner wall of the heating box, channels are reserved between the two first guide plates and the inner wall of the heating box, the inner wall of the collecting box is provided with a plugging mechanism slidably connected with the lower ends of the second guide plates, and the surface of the collecting box is provided with a material taking door. In the plastic bag crushing process, plastic bag fragments can be thrown to the two sides of the heating box under the action of centrifugal force, the plastic bag fragments can be blown upwards through the hot air circulating mechanism, and the plastic bag fragments can be crushed again by the crushing mechanism under the action of gravity, so that cyclic crushing of the plastic bags is achieved; and the crushing effect of the plastic bags is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag recycling, in particular to a degradable plastic bag crushing and recycling device. Background Art

[0002] During the recycling process of degradable plastic bags, they need to be crushed first, then heated by a heating device to make the plastic into a molten state, and then collected.

[0003] Through searching, it was found that CN214871992U discloses a degradable plastic bag crushing and recycling device, which belongs to the technical field of plastic processing equipment. It includes a cutting machine, a first blower is fixedly connected to the cutting machine, a heating device for heating plastic bag fragments is fixedly connected inside the cutting machine, a temporary storage component for collecting broken plastic bags is connected to the cutting machine, a material guide bin is connected to the temporary storage component, a fixed frame is arranged on the outside of the material guide bin, a bearing is fixedly connected to the bottom of the material guide bin, a plurality of first fixed grooves are provided on the outer ring of the bearing, a first fixed plate is inserted into each first fixed groove, a spring is fixedly connected to the first fixed plate, each spring is fixedly connected to a second fixed plate at one end away from the first fixed plate, a second fixed groove is provided on the fixed frame, and a discharge pipe is connected to the bottom of the material guide bin. The utility model has the effect of enabling the material guide bin to achieve shock absorption and buffering during operation, and preventing the friction between the material guide bin and the fixed frame bracket from causing wear on the bottom of the material guide bin.

[0004] However, the whole device has a poor effect on crushing plastic bags, and the crushed plastic bags need to be transferred multiple times using a blower, which greatly reduces the efficiency of plastic bag recycling. Utility Model Content

[0005] The utility model aims to provide a degradable plastic bag crushing and recycling device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a degradable plastic bag crushing and recycling device, comprising a heating box and a collecting box, the collecting box being fixedly connected to the lower surface of the heating box, a feeding port being arranged at the upper end of the heating box, a top cover being rotatably connected to the inner wall of the feeding port, a crushing mechanism, two hot air circulation mechanisms, two first guide plates and two second guide plates being respectively arranged on the inner walls of the heating box, the first guide plate and the second guide plate being fixedly connected to the inner wall of the heating box, and a channel being left between the two first guide plates and the inner wall of the heating box, a sealing mechanism being slidably connected to the lower end of the second guide plate being arranged on the inner wall of the collecting box, and a material taking door being arranged on the surface of the collecting box.

[0007] Preferably, the first guide plate and the second guide plate are both arranged in an inverted figure eight shape.

[0008] Preferably, the crushing mechanism includes two transmission rods, the outer surfaces of the transmission rods are fixedly connected to a plurality of crushing knives in a circular array, and the crushing knives on the surfaces of the two transmission rods are staggered with each other, the ends of the transmission rods are respectively fixedly connected to a first gear and a second gear, and the first gear and the second gear are meshed with each other, the outer surface of the heating box is fixedly connected to a power motor, and the rotating end of the power motor is fixedly connected to the end of the transmission rod.

[0009] Preferably, the hot air circulation mechanism comprises a first wind box, a surface of which is provided with a plurality of vertical wind holes, a first hot air blower is arranged at the inner bottom of the first wind box, and the vertical wind holes are located directly below the channel.

[0010] Preferably, the sealing mechanism includes a fan-shaped sealing block, which is rotatably connected to the inner wall of the collection box, and the rotating end of the fan-shaped sealing block is fixedly connected to an operating disk, and the surface of the operating disk is threadedly connected to a fixing bolt, and the side of the collection box is respectively provided with a first threaded hole and a second threaded hole, and the fixing bolt can be threadedly connected to the first threaded hole or the second threaded hole.

[0011] Preferably, a cavity is provided inside the fan-shaped blocking block, a second hot air blower is provided on the inner wall of the cavity, and a plurality of rows of inclined air holes are provided on the surface of the fan-shaped blocking block.

[0012] Preferably, the bottom of the inclined air hole is close to the median vertical plane of the fan-shaped blocking block, and the top of the inclined air hole is far away from the median vertical plane of the fan-shaped blocking block.

[0013] Beneficial Effects

[0014] The utility model provides a degradable plastic bag crushing and recycling device, which has the following beneficial effects:

[0015] 1. The degradable plastic bag crushing and recycling device is provided with a crushing mechanism, a hot air circulation mechanism, a first guide plate and a second guide plate. The crushing mechanism can be used to crush the plastic bags put into the heating box, and during the crushing process of the plastic bags, the plastic bag fragments will be thrown to the two sides of the heating box under the action of centrifugal force. The hot air circulation mechanism can be used to blow the plastic bag fragments upward, and then the plastic bag fragments will pass through the channel and fall on the surface of the first guide plate. Under the action of gravity, the plastic bag fragments will be crushed again by the crushing mechanism, thereby realizing the cyclic crushing of the plastic bags and greatly improving the crushing effect of the plastic bags.

[0016] 2. The degradable plastic bag crushing and recycling device can rotate the operating disk 180 degrees after the plastic bag is crushed, thereby driving the fan-shaped blocking block to rotate 180 degrees. At this time, the collection box and the heating box will be connected to each other, and then the fixing bolt is screwed in. The fan-shaped blocking block can be fixed by threading the fixing bolt and the second threaded hole. The crushed plastic bag fragments will enter the collection box from between the two second guide plates, thereby completing the collection of the plastic bag fragments. Compared with the existing technology, there is no need to transfer the plastic bag fragments multiple times, which not only avoids noise generation, but also effectively improves the efficiency of plastic bag recycling and processing.

[0017] 3. The degradable plastic bag crushing and recycling device can accelerate the circulation speed of the plastic bag in the heating box by setting the second hot air blower and the inclined air holes, thereby further improving the crushing speed of the plastic bag, and using the first hot air blower and the second hot air blower to heat the plastic bag fragments, so that the plastic bag fragments can enter the molten state faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a degradable plastic bag crushing and recycling device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional structure of a degradable plastic bag crushing and recycling device proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of a degradable plastic bag crushing and recycling device proposed by the utility model;

[0021] Figure 4 This is a three-dimensional structural schematic diagram of a crushing mechanism of a degradable plastic bag crushing and recycling device proposed by the utility model.

[0022] In the figure: 1. heating box; 2. collecting box; 3. top cover; 4. crushing mechanism; 5. hot air circulation mechanism; 6. first guide plate; 7. second guide plate; 8. channel; 9. blocking mechanism; 10. feeding door; 11. transmission rod; 12. crushing knife; 13. first gear; 14. second gear; 15. power motor; 16. first bellows; 17. vertical air hole; 18. first hot air blower; 19. fan-shaped blocking block; 20. operating panel; 21. fixing bolt; 22. first threaded hole; 23. second threaded hole; 24. second hot air blower; 25. inclined air hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a degradable plastic bag crushing and recycling device, comprising a heating box 1 and a collecting box 2. The heating box 1 includes a heating mechanism arranged inside, which is not marked in the figure. The collecting box 2 is fixedly connected to the lower surface of the heating box 1. A feeding port is arranged at the upper end of the heating box 1. A top cover 3 is rotatably connected to the inner wall of the feeding port. A crushing mechanism 4, two hot air circulation mechanisms 5, two first guide plates 6 and two second guide plates 7 are respectively arranged on the inner wall of the heating box 1. The first guide plate 6 and the second guide plate 7 are both fixedly connected to the inner wall of the heating box 1, and a channel 8 is left between the two first guide plates 6 and the inner wall of the heating box 1. The inner wall of the collecting box 2 is provided with a blocking mechanism 9 slidably connected to the lower end of the second guide plate 7, and a material taking door 10 is arranged on the surface of the collecting box 2.

[0025] The first guide plate 6 and the second guide plate 7 are both arranged in an inverted eight shape. By arranging the crushing mechanism 4, the hot air circulation mechanism 5, the first guide plate 6 and the second guide plate 7, the crushing mechanism 4 can be used to crush the plastic bags put into the heating box 1, and in the process of crushing the plastic bags, the plastic bag fragments will be thrown to the two sides of the heating box 1 under the action of centrifugal force. The hot air circulation mechanism 5 can be used to blow the plastic bag fragments upward, and then the plastic bag fragments will pass through the channel 8 and fall on the surface of the first guide plate 6. Under the action of gravity, the plastic bag fragments will be crushed again by the crushing mechanism 4, thereby realizing the cyclic crushing of the plastic bags, which greatly improves the crushing effect of the plastic bags.

[0026] The crushing mechanism 4 includes two transmission rods 11, and the outer surfaces of the transmission rods 11 are fixedly connected to a plurality of crushing knives 12 in a circular array, and the crushing knives 12 on the surfaces of the two transmission rods 11 are staggered and distributed with each other. The ends of the transmission rods 11 are respectively fixedly connected to a first gear 13 and a second gear 14, and the first gear 13 and the second gear 14 are meshed with each other. The outer surface of the heating box 1 is fixedly connected to a power motor 15, and the rotating end of the power motor 15 is fixedly connected to the end of the transmission rod 11.

[0027] The hot air circulation mechanism 5 includes a first wind box 16 , a surface of which is provided with a plurality of vertical air holes 17 , a first hot air blower 18 is disposed at the inner bottom of the first wind box 16 , and the vertical air holes 17 are located directly below the channel 8 .

[0028] The blocking mechanism 9 includes a fan-shaped blocking block 19, which is rotatably connected to the inner wall of the collection box 2. The rotating end of the fan-shaped blocking block 19 is fixedly connected to an operating disk 20. The surface of the operating disk 20 is threadedly connected to a fixing bolt 21. The side surfaces of the collection box 2 are respectively provided with a first threaded hole 22 and a second threaded hole 23. The fixing bolt 21 can be threadedly connected to the first threaded hole 22 or the second threaded hole 23. In the process of crushing the plastic bag fragments, the fixing bolt 21 can be screwed into the first threaded hole 22 in advance, so that the fan-shaped blocking block 19 can be fixed. When the plastic bag is crushed, After that, the operating disk 20 can be rotated 180 degrees, thereby driving the fan-shaped blocking block 19 to rotate 180 degrees. At this time, the collecting box 2 will be connected to the heating box 1, and then the fixing bolt 21 is screwed. The fixing bolt 21 and the second threaded hole 23 are threadedly connected to fix the fan-shaped blocking block 19. The broken plastic bag fragments will enter the collecting box 2 from between the two second guide plates 7, thereby completing the collection of the plastic bag fragments. Compared with the prior art, there is no need to transfer the plastic bag fragments multiple times, which can not only avoid noise generation, but also effectively improve the efficiency of plastic bag recycling.

[0029] The plastic bag fragments in the collection box 2 can be easily taken out by providing the material taking door 10 .

[0030] A cavity is provided inside the fan-shaped blocking block 19, and a second hot air blower 24 is provided on the inner wall of the cavity. A plurality of rows of inclined air holes 25 are provided on the surface of the fan-shaped blocking block 19, wherein the bottom of the inclined air holes 25 is close to the median vertical plane of the fan-shaped blocking block 19, and the top of the inclined air holes 25 is away from the median vertical plane of the fan-shaped blocking block 19. This design can blow the plastic bag fragments on the surface of the fan-shaped blocking block 19 to both sides. By providing the second hot air blower 24 and the inclined air holes 25, the circulation speed of the plastic bag in the heating box 1 can be accelerated, thereby further improving the crushing speed of the plastic bag. Moreover, by heating the plastic bag fragments using the first hot air blower 18 and the second hot air blower 24, the plastic bag fragments can be made to enter a molten state faster.

[0031] Working principle: When the degradable plastic bag crushing and recycling device is in use, firstly, the fixing bolt 21 needs to be screwed into the first threaded hole 22 to fix the fan-shaped blocking block 19. The fan-shaped blocking block 19 can be used to separate the heating box 1 and the collection box 2. Then, the top cover 3 is opened, and then the degradable plastic bag is put into the heating box 1 from the feeding port. Then, the power motor 15, the first hot air blower 18 and the second hot air blower 24 are started. The power motor 15 can drive the transmission rod 11 to rotate, thereby driving the first gear 13 to rotate. The first gear 13 and the second gear 14 are meshed with each other, which can drive another transmission rod 11 to rotate, thereby driving the multiple crushing knives 12 to rotate. , the plastic bag put into the heating box 1 is crushed, and during the crushing process of the plastic bags, the plastic bag fragments will be thrown to the two sides of the heating box 1 under the action of centrifugal force, and the second hot air blower 24 is used, and the hot air blown out of the inclined air holes 25 will blow the plastic bag fragments on the surface of the fan-shaped blocking block 19 to the two sides, and the first hot air blower 18 is used, and the hot air will be blown out from the vertical air holes 17 of the first wind box 16, which can blow the plastic bag fragments upward, and then the plastic bag fragments will pass through the channel 8 and fall on the surface of the first guide plate 6. Under the action of gravity, the plastic bag fragments will be crushed again by the crushing mechanism 4, thereby realizing the cyclic crushing of the plastic bags, which greatly improves the crushing effect of the plastic bags.

[0032] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A degradable plastic bag crushing and recycling device, comprising a heating box (1) and a collecting box (2), characterized in that: The collecting box (2) is fixedly connected to the lower surface of the heating box (1); a feeding port is provided at the upper end of the heating box (1); a top cover (3) is rotatably connected to the inner wall of the feeding port; a crushing mechanism (4), two hot air circulation mechanisms (5), two first guide plates (6) and two second guide plates (7) are respectively provided on the inner wall of the heating box (1); the first guide plate (6) and the second guide plate (7) are both fixedly connected to the inner wall of the heating box (1); a channel (8) is left between the two first guide plates (6) and the inner wall of the heating box (1); a blocking mechanism (9) slidably connected to the lower end of the second guide plate (7) is provided on the inner wall of the collecting box (2); and a material taking door (10) is provided on the surface of the collecting box (2).

2. The degradable plastic bag crushing and recycling device according to claim 1, characterized in that: The first guide plate (6) and the second guide plate (7) are both arranged in an inverted figure eight shape.

3. The degradable plastic bag crushing and recycling device according to claim 2, characterized in that: The crushing mechanism (4) comprises two transmission rods (11), the outer surfaces of the transmission rods (11) are fixedly connected to a plurality of crushing knives (12) in a ring array, and the crushing knives (12) on the surfaces of the two transmission rods (11) are arranged in an interlaced manner, the ends of the transmission rods (11) are respectively fixedly connected to a first gear (13) and a second gear (14), and the first gear (13) and the second gear (14) are meshed with each other, and the outer surface of the heating box (1) is fixedly connected to a power motor (15), and the rotating end of the power motor (15) is fixedly connected to the end of the transmission rod (11).

4. The degradable plastic bag crushing and recycling device according to claim 3, characterized in that: The hot air circulation mechanism (5) comprises a first wind box (16), a surface of which is provided with a plurality of vertical air holes (17), an inner bottom of the first wind box (16) is provided with a first hot air blower (18), and the vertical air holes (17) are located directly below the channel (8).

5. The degradable plastic bag crushing and recycling device according to claim 1, characterized in that: The blocking mechanism (9) comprises a fan-shaped blocking block (19), the fan-shaped blocking block (19) is rotatably connected to the inner wall of the collection box (2), the rotating end of the fan-shaped blocking block (19) is fixedly connected to an operating disk (20), the surface of the operating disk (20) is threadedly connected to a fixing bolt (21), and the side surface of the collection box (2) is respectively provided with a first threaded hole (22) and a second threaded hole (23), and the fixing bolt (21) can be threadedly connected to the first threaded hole (22) or the second threaded hole (23).

6. The degradable plastic bag crushing and recycling device according to claim 5, characterized in that: A cavity is provided inside the fan-shaped blocking block (19), a second hot air blower (24) is arranged on the inner wall of the cavity, and a plurality of rows of inclined air holes (25) are provided on the surface of the fan-shaped blocking block (19).

7. The degradable plastic bag crushing and recycling device according to claim 6, characterized in that: The bottom of the inclined air hole (25) is close to the mid-vertical plane of the fan-shaped blocking block (19), and the top of the inclined air hole (25) is far away from the mid-vertical plane of the fan-shaped blocking block (19).

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