A device for cleaning and recycling degradable plastic bag scraps

Abstract

This utility model relates to the technical field of plastic recycling equipment, and in particular to a device for cleaning and recycling degradable plastic bag scraps. It solves the problem in existing technologies where the ion blower is placed inside the crushing chamber and blowing air directly around the crushing rollers. Due to the limited space inside the crushing chamber, the installation and maintenance of the ion blower is inconvenient, and its lifespan is easily affected by prolonged exposure to a dusty environment. The device includes a crushing chamber, a crushing channel connected to the top of the crushing chamber, crushing rollers installed inside the crushing channel, and a top chamber located at the top of the crushing channel. This utility model, by moving the ion blower out of the crushing chamber and placing it above the top chamber, facilitates installation and maintenance. Simultaneously, the multi-point distributed duct structure achieves efficient static electricity elimination, effectively preventing plastic particles from adhering to the surface of the crushing rollers, improving the equipment's operational stability and lifespan, and meeting the practical application needs of environmentally friendly recycled plastic processing.

Description

Technical Field

[0001] This utility model relates to the field of plastic recycling equipment technology, and in particular to a device for cleaning and recycling degradable plastic bag scraps. Background Technology

[0002] Biodegradable plastic bag scraps refer to the remaining materials or waste generated during the cutting and molding processes of biodegradable plastic bag production. Although these scraps are biodegradable, their irregular shapes and large quantities mean that indiscriminate disposal or piling up not only wastes resources but may also cause short-term environmental pollution, affecting factory hygiene and ecological balance. Therefore, the effective cleaning and recycling of biodegradable plastic bag scraps has become a crucial step in achieving green and sustainable development for the plastics processing industry.

[0003] A current utility model patent, CN 222610137 U, discloses a device for cleaning and recycling degradable plastic bag scraps, including a crushing box, a feeding hopper, a crushing roller, an ion fan, and a position adjustment mechanism. The position adjustment mechanism consists of a hydraulic rod, a fixed ring, a rotating ring, a rotary motor, gears, and a rack. This device crushes the scraps using the crushing roller and has a rotatable ion fan installed outside the crushing roller to generate ion air to eliminate static electricity and prevent plastic particles from adhering to the crushing roller due to electrostatic attraction. Simultaneously, the position of the ion fan can be adjusted by raising and lowering the fixed and rotating rings via the hydraulic rod, ensuring it avoids the path of the crushed plastic particles. The ion air's effective area can also be flexibly adjusted according to the characteristics of the raw materials and environmental changes, thus adapting to different crushing operating environments.

[0004] However, in practical applications, this device still has technical drawbacks: the ion blower is located inside the crushing chamber and blows air directly around the crushing roller. Due to the limited space inside the crushing chamber, the installation and maintenance of the ion blower are inconvenient, and its service life is easily affected by prolonged exposure to a dusty environment. Secondly, this arrangement makes it difficult for the ion air to act directly and efficiently on the outer surface of the crushing roller, resulting in limited static electricity elimination. Some plastic particles will still remain on the crushing roller due to electrostatic adsorption, thus affecting crushing efficiency and output uniformity.

[0005] In summary, to address the aforementioned shortcomings in existing technologies, there is an urgent need to provide a biodegradable plastic bag scrap cleaning and recycling device to improve the overall efficiency and stability of the equipment and meet the actual needs of modern environmentally friendly plastic recycling production. Utility Model Content

[0006] The purpose of this invention is to provide a device for cleaning and recycling degradable plastic bag scraps, which solves the problem that in the prior art, the ion fan is placed inside the crushing box and blows air around the crushing roller. Due to the limited space inside the crushing box, the operation of installing and maintaining the ion fan is inconvenient, and its service life is easily affected by being in a dusty environment for a long time.

[0007] To achieve the above objectives, this utility model provides a device for cleaning and recycling degradable plastic bag scraps, including a crushing box, a crushing channel connected to the top of the crushing box, and a crushing roller installed inside the crushing channel. A top chamber is provided at the top of the crushing channel, and feeding channels are connected to both sides of the top of the top chamber. An ion fan is provided at the top of the top chamber, and side supports are provided on both sides of the bottom of the ion fan. The output end of the ion fan is connected to the interior of the top chamber.

[0008] The side support is inclined, with one end of the side support bolted to the side wall of the ion blower and the other end connected to the side wall of the feeding channel.

[0009] The feeding channel is provided with a feeding hopper at one end, and the feeding hopper is bolted to the end of the feeding channel.

[0010] The top chamber has horizontal pipes on both sides, the bottom of the ion fan has a connecting pipe, the top of the connecting pipe is connected to the output end of the ion fan, the bottom of the connecting pipe is connected to two horizontal pipes, the bottom of each horizontal pipe is connected to several vertical pipes, and the top of the top chamber has several air inlets that are adapted to the vertical pipes.

[0011] The feed hopper is smaller at one end near the feeding channel than at the other end, and the top bin is detachably connected to the top of the crushing channel.

[0012] The top hopper is fixedly connected to a positioning ring plate at its bottom outer ring, and the crushing channel is fixedly connected to an installation ring plate at its top outer ring. The positioning ring plate and the installation ring plate are connected by a number of positioning screws.

[0013] This utility model discloses a biodegradable plastic bag scrap cleaning and recycling device. The ion fan is positioned above the top chamber rather than inside the crushing box. This not only facilitates daily inspection and cleaning but also avoids the adverse effects of prolonged exposure to a dusty environment, thus extending the ion fan's service life. Secondly, the ion fan is fixed to the top via a side bracket, allowing it to directly act on the plastic scraps just entering the top chamber. This enables the ion fan to more effectively neutralize the surface charge of the material, significantly improving static electricity elimination efficiency, reducing the adsorption of plastic particles onto the crushing rollers, and ensuring smooth crushing process and stable output quality. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the feeding channel and feed hopper of an embodiment of the present utility model.

[0017] Figure 3 This is a schematic diagram of the connecting pipe and the horizontal pipe in an embodiment of this utility model.

[0018] Figure 4 This is a structural schematic diagram of the top compartment and support frame of an embodiment of this utility model.

[0019] Figure 5 This is a structural schematic diagram of the crushing roller and mounting ring plate according to an embodiment of the present invention.

[0020] In the diagram: 1. Crushing box; 2. Top bin; 3. Crushing channel; 4. Ionizing fan; 5. Feed hopper; 6. Feeding channel; 7. Side support; 8. Connecting pipe; 9. Horizontal pipe; 10. Vertical pipe; 11. Air inlet; 12. Positioning ring plate; 13. Support frame; 14. Crushing roller; 15. Mounting ring plate. Detailed Implementation

[0021] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0022] Example 1

[0023] Please see Figure 1-5 As shown, a biodegradable plastic bag scrap cleaning and recycling device of this embodiment includes a crushing box 1, a crushing channel 3 connected to the top of the crushing box 1, and a crushing roller 14 installed inside the crushing channel 3. A top chamber 2 is provided at the top of the crushing channel 3. Feeding channels 6 are connected to both sides of the top of the top chamber 2. An ion fan 4 is provided at the top of the top chamber 2. Side supports 7 are provided on both sides of the bottom of the ion fan 4. The output end of the ion fan 4 is connected to the interior of the top chamber 2.

[0024] The workflow is as follows: First, the collected irregularly shaped biodegradable plastic bag scraps are conveyed to the top chamber 2 through two feeding channels 6. Then, the material enters the crushing channel 3, where it undergoes preliminary crushing between the crushing rollers 14 installed inside the crushing channel 3. During this process, an ion fan 4 located at the top of the top chamber 2 continuously blows ion air into the top chamber 2 through its output end to effectively eliminate static electricity generated by the friction of the plastic scraps, preventing plastic particles from adsorbing onto the surface of the crushing rollers 14 and affecting crushing efficiency. The ion fan 4 is fixedly supported by side brackets 7 on both sides to ensure stable operation. The crushed plastic scraps continue to fall into the crushing box 1 for subsequent centralized processing or reuse. The entire device has a reasonable structural layout, achieving efficient crushing and static electricity removal of scraps, improving the continuity of equipment operation and the uniformity of output.

[0025] Example 2

[0026] Please see Figure 1-5 As shown in the figure, in this embodiment of a biodegradable plastic bag scrap cleaning and recycling device, the side support 7 is inclined. One end of the side support 7 is fixedly connected to the side wall of the ion blower 4 by bolts, and the other end is connected to the side wall of the feeding channel 6. Specifically, by setting the side support 7 inclined, with one end fixedly connected to the side wall of the ion blower 4 by bolts and the other end connected to the side wall of the feeding channel 6, the inclined support structure can enhance the stability and vibration resistance of the overall connection during the operation of the ion blower 4, while avoiding the occupation of the top space of the top chamber 2, thus achieving the effect of improving the structural strength of the equipment and facilitating installation and maintenance.

[0027] Both sides of the top of the top chamber 2 are provided with horizontal pipes 9, and the bottom of the ion blower 4 is provided with a connecting pipe 8. The top of the connecting pipe 8 is connected to the output end of the ion blower 4, and the bottom of the connecting pipe 8 is connected to two horizontal pipes 9. The bottom of each horizontal pipe 9 is connected to several vertical pipes 10. The top of the top chamber 2 is provided with several air inlets 11 that are adapted to the vertical pipes 10. Specifically, through the setting of horizontal pipes 9, connecting pipes 8, vertical pipes 10 and air inlets 11 on the top of the top chamber 2, the ion wind output by the ion blower 4 enters the horizontal pipes 9 through the connecting pipes 8, and then is evenly blown into the interior of the top chamber 2 through multiple vertical pipes 10 from the air inlets 11. This realizes the multi-point and uniform distribution of ion wind in the chamber, thereby improving the comprehensiveness and efficiency of static electricity elimination and achieving the effect of more effectively preventing plastic particles from adsorbing on the surface of the crushing roller 14.

[0028] Example 3

[0029] Please see Figure 1-5As shown in this embodiment, a biodegradable plastic bag scrap cleaning and recycling device has a feeding hopper 5 at one end of the feeding channel 6. The feeding hopper 5 is bolted to the end of the feeding channel 6. Specifically, by bolting the feeding hopper 5 to the end of the feeding channel 6, the feeding hopper 5 can effectively expand the feeding port area during the scrap feeding process, guiding the material smoothly into the feeding channel 6. At the same time, the bolted connection method facilitates disassembly, cleaning, or replacement of feeding hoppers of different specifications to adapt to the processing needs of scraps of different shapes, thereby improving feeding efficiency and operational flexibility.

[0030] The size of the feed hopper 5 near the feeding channel 6 is smaller than the size of the other end. The top bin 2 is detachably connected to the top of the crushing channel 3. Each feeding channel 6 has a support frame 13 connected to its bottom, and the bottom of the support frame 13 is connected to the top of the crushing box 1. Specifically, by setting the size of the feed hopper 5 near the feeding channel 6 to be smaller than the other end, the conical structure helps to form a good material guiding effect during material conveying, so that the scraps flow into the feeding channel 6 in a concentrated manner, reducing the risk of blockage. At the same time, it also helps to improve the feeding speed and continuity, thereby optimizing the feeding process and improving the stability of equipment operation.

[0031] A positioning ring plate 12 is fixedly connected to the bottom outer ring of the top chamber 2, and an installation ring plate 15 is fixedly connected to the top outer ring of the crushing channel 3. The positioning ring plate 12 and the installation ring plate 15 are connected by several positioning screws. Specifically, the connection between the positioning ring plate 12 at the bottom outer ring of the top chamber 2 and the installation ring plate 15 at the top outer ring of the crushing channel 3 by several positioning screws ensures the sealing and structural stability between the top chamber 2 and the crushing channel 3 during equipment operation. It also facilitates disassembly, cleaning, or replacement of parts, thereby improving the convenience of equipment maintenance and the reliability of long-term operation.

[0032] The entire process of the device is as follows: First, the collected irregularly shaped biodegradable plastic bag scraps are fed into two feed hoppers 5. Since the feed hoppers 5 are conical in design, they can guide the material smoothly into the feeding channel 6 and into the top chamber 2. Then, the material enters the crushing channel 3 and undergoes preliminary crushing between the crushing rollers 14. During this process, the ion blower 4 works continuously, and the output ion air passes through the connecting pipe 8, horizontal pipe 9, and vertical pipe 10 in sequence, and is evenly blown into the chamber through multiple air inlets 11 on the top chamber 2 to efficiently eliminate static electricity from the newly entered scraps, preventing plastic particles from adsorbing onto the surface of the crushing rollers 14 and affecting the crushing efficiency. The ion blower 4 is fixedly supported by the inclined side bracket 7 to ensure stable and reliable operation. After crushing, the plastic scraps continue to fall into the crushing box 1 for centralized collection and subsequent recycling.

[0033] In summary, this technical solution solves the problems of unreasonable ion fan arrangement, difficult maintenance, and poor static elimination effect in existing technologies through the reasonable layout and coordination of various components. Specifically, the ion fan 4 is located above the top chamber 2 rather than inside the crushing box 1, away from the dust-dense area, extending the service life of the equipment. The combination of connecting pipe 8, horizontal pipe 9, vertical pipe 10, and air inlet 11 achieves a multi-point uniform distribution of ion air in the top chamber 2, significantly improving the static elimination efficiency, reducing the adsorption of plastic particles on the crushing roller 14, and ensuring the continuity of the crushing process and the stability of the output quality. The conical structure of the feed hopper 5 combined with the bolt connection not only improves the feeding efficiency but also enhances the operational flexibility. The detachable connection structure between the top chamber 2 and the crushing channel 3, consisting of positioning ring plate 12, mounting ring plate 15, and positioning screw, facilitates daily cleaning and maintenance, improving the overall stability and reliability of the equipment. The inclined setting of the side support 7 enhances the overall structural strength of the ion fan 4 and optimizes the spatial layout, making the equipment easier to install and maintain.

[0034] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A device for cleaning and recycling degradable plastic bag scraps, characterized in that, include: The system includes a crushing box, a crushing channel connected to the top of the crushing box, and a crushing roller installed inside the crushing channel. A top chamber is provided at the top of the crushing channel. Feeding channels are connected to both sides of the top of the top chamber. An ion fan is provided at the top of the top chamber. Side supports are provided on both sides of the bottom of the ion fan. The output end of the ion fan is connected to the interior of the top chamber.

2. A device for cleaning and recycling plastic bag scraps according to claim 1, characterized in that, The side bracket is inclined, with one end of the side bracket being bolted to the side wall of the ion blower and the other end being connected to the side wall of the feeding channel.

3. A device for cleaning and recycling plastic bag scraps according to claim 1, characterized in that, A feeding hopper is provided at one end of the feeding channel, and the feeding hopper is bolted to the end of the feeding channel.

4. A device for cleaning and recycling plastic bag scraps according to claim 2, characterized in that, The top chamber has horizontal pipes on both sides of its top, and the bottom of the ion fan has a connecting pipe. The top of the connecting pipe is connected to the output end of the ion fan, and the bottom of the connecting pipe is connected to two horizontal pipes. The bottom of each horizontal pipe is connected to several vertical pipes, and the top of the top chamber has several air inlets that are adapted to the vertical pipes.

5. A device for cleaning and recycling plastic bag scraps according to claim 3, characterized in that, The size of the feed hopper at one end near the feeding channel is smaller than that at the other end, and the top bin is detachably connected to the top of the crushing channel.

6. A device for cleaning and recycling plastic bag offcuts according to claim 5, characterised in that, A positioning ring plate is fixedly connected to the bottom outer ring of the top hopper, and an installation ring plate is fixedly connected to the top outer ring of the crushing channel. The positioning ring plate and the installation ring plate are connected by a number of positioning screws.

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