Plastic particle dust separator

Abstract

The utility model discloses a plastic granule dust separator, plastic product processing technical field, the utility model discloses a base, separator main part and feed pipe, the middle of feed pipe top portion is provided with first through -hole, the top of feed pipe is connected with mounting panel, and the middle of mounting panel top portion is provided with third through -hole, the baffle is connected between mounting panel and feed pipe, and the top of baffle is provided with second through -hole, and the one side of baffle top portion is connected with the resistance -reducing plate, and the inside connection of mounting panel has the cleaning ring. The utility model discloses the setting through the cleaning ring, because the cleaning ring is closely combined with the top of baffle, when the baffle translation realizes the feed on -off control, the cleaning ring can scrape down the dust accumulated on its top with the synchronous movement of baffle, effectively reduce the amount of dust being taken into the clearance between baffle and mounting panel, thereby alleviate the problem of the increased sliding resistance of baffle due to the dust into the clearance, reduce the human consumption of staff when opening and closing baffle.

Description

Technical Field

[0001] This utility model relates to the field of plastic product processing technology, specifically to a plastic particle dust separator. Background Technology

[0002] Plastic granules are a core raw material in the plastics processing industry. They are typically irregular small particles and come in various materials, including polyethylene, polypropylene, and polyvinyl chloride. During the production, transportation, and storage of plastic granules, impurities such as plastic dust and fine plastic filaments easily adhere to their surface. If these impurities enter processing equipment such as extruders directly with the plastic granules, they may affect the molding quality and performance of the final product.

[0003] Electrostatic precipitators for plastic granules, also known as plastic dust collectors, plastic powder removers, plastic chip removers, SDS electrostatic precipitators, and plastic granule dust separators, are key auxiliary equipment used in the processing of plastic products. They are primarily applied at the feed inlet of plastic granules into extruders and other processing equipment. These devices typically use an electrostatic eliminator to remove static electricity from the surface of the plastic granules, reducing the adhesion of impurities. A fan then uses airflow to separate the plastic granules from the impurities. The separated impurities are collected by a dust collector for further processing, thereby improving the quality of the finished plastic products.

[0004] The separator feed inlet is often equipped with baffles to control the feed flow. When the baffle is closed, plastic dust tends to accumulate on top of it. When the baffle is opened, the accumulated dust easily enters the gap between the baffle and the mounting plate, increasing the sliding resistance of the baffle. This requires more manpower to open and close the baffle. With increased use, forcibly sliding the baffle will exacerbate component wear, further widening the gap between the baffle and the mounting plate, thus accommodating more dust. This creates a vicious cycle of increased resistance, accelerated wear, and more dust residue, affecting the long-term stable operation of the equipment. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a plastic particle dust separator to solve the technical problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a plastic particle dust separator, comprising a base, a separator body, and a feed pipe. A first through hole is provided in the middle of the top of the feed pipe. An mounting plate is connected to the top of the feed pipe, and a third through hole is provided in the middle of the top of the mounting plate. A baffle is connected between the mounting plate and the feed pipe, and a second through hole is provided in the top of the baffle. A resistance-reducing plate is connected to one side of the top of the baffle. A cleaning ring is connected inside the mounting plate.

[0007] By adopting the above technical solution, the mounting plate provides a connection base for the external feeding structure, the baffle, as the core component of the feeding control, can adjust the through hole connection state, and the cleaning ring and the friction reduction plate initially form an auxiliary structure for dust cleaning and friction protection, laying a hardware foundation for solving the problems of dust accumulation and high sliding resistance in the baffle gap.

[0008] Furthermore, the first through hole, the second through hole, and the third through hole are all frustum-shaped, and the top diameter of the first through hole is smaller than the bottom diameter of the second through hole, and the top diameter of the second through hole is smaller than the bottom diameter of the third through hole.

[0009] By adopting the above technical solution, the structure causes the dust in the gap between the baffle and the mounting plate to lose its bottom support and fall more easily downwards under its own gravity. This reduces the amount of dust remaining due to the bottom structure supporting the through holes and other diameter designs, thereby reducing the amount of dust accumulation in the gap from the source and alleviating the problem of increased sliding resistance of the baffle caused by dust.

[0010] Furthermore, the baffle is slidably connected to the feed pipe and the mounting plate, and the resistance-reducing plate is slidably connected to the cleaning ring.

[0011] By adopting the above technical solution, the sliding connection of the baffle allows it to switch between through-hole aligned feeding and through-hole staggered feeding through translation, meeting the feeding on / off control requirements; the sliding connection between the resistance reducing plate and the cleaning ring reduces direct friction between the two during relative movement, reduces component wear, and at the same time ensures the smoothness of the cleaning ring when it moves with the baffle, ensuring stable execution of the dust scraping action.

[0012] Furthermore, the second through hole is connected to the first through hole and the third through hole.

[0013] By adopting the above technical solution, when the baffle slides to a specific position, the second through hole is precisely connected with the first and third through holes. The plastic particles in the external feeding equipment can pass through the third through hole, the second through hole, and the first through hole in sequence by gravity and enter the feeding pipe to achieve normal feeding. When the baffle slides in the opposite direction and the through holes are misaligned, the feeding path is cut off, ensuring the accuracy and reliability of feeding control.

[0014] Furthermore, the length of the resistance-reducing plate is greater than the top diameter of the second through hole and the bottom diameter of the third through hole.

[0015] By adopting the above technical solution, the length of the drag-reducing plate covers the key area, so that the dust removal range of the cleaning ring can completely cover the dust accumulation area of ​​the corresponding through hole at the top of the baffle, reducing the possibility of local dust not being cleaned due to insufficient length of the drag-reducing plate and entering the gap between the baffle and the mounting plate, thus improving the dust cleaning effect.

[0016] Furthermore, the inner diameter of the top of the cleaning ring is smaller than the inner diameter of the bottom of the cleaning ring.

[0017] By adopting the above technical solution, the inner wall of the cleaning ring forms an inclined structure that is narrow at the top and wide at the bottom, which is compatible with the through hole system that is wide at the top and narrow at the bottom. On the other hand, it can guide the scraped dust to slide down towards the through hole, reduce the accumulation of dust around the cleaning ring, and ensure that the scraped dust can smoothly enter the feed pipe to participate in the subsequent separation process.

[0018] Furthermore, a control cabinet is installed on one side of the base, a dust collector is installed inside the base, and a dust bucket is connected to the bottom of the dust collector. A fan is connected to one side of the top of the base, and the separator body is connected to the fan and the dust collector via a flexible hose.

[0019] By adopting the above technical solutions, the control cabinet realizes centralized control of the equipment's operating status; the fan provides airflow power, providing conditions for the separation of plastic particles and impurities in the separator body; the dust collector works in conjunction with the ash bin to filter the airflow containing impurities and collect the impurities, facilitating subsequent unified treatment; the hose connection forms an airflow circulation path between the separator body, the dust collector, and the fan, realizing efficient utilization of airflow resources and reducing energy waste.

[0020] Furthermore, an inspection door is connected to the outer surface of the separator body, the feed pipe is connected to one side of the top of the separator body, and an electrostatic eliminator is installed on one side of the feed pipe.

[0021] By adopting the above technical solutions, the connection between the feed pipe and the separator body ensures that the plastic particles entering through the through hole can smoothly enter the separation area; the static eliminator can remove static electricity from the surface of the plastic particles, reduce the adhesion of impurities such as plastic dust and fine plastic filaments on the particle surface, and lay the foundation for subsequent airflow separation of impurities; the maintenance door provides staff with a channel for inspection and maintenance of the internal components of the equipment, ensuring the long-term stable operation of the equipment.

[0022] Furthermore, the cleaning ring has a trapezoidal cross-section.

[0023] By adopting the above technical solution, the thickening characteristic of the bottom of the trapezoidal cross section can improve the deformation resistance of the cleaning ring, reduce the deformation of the bottom of the cleaning ring due to friction with the top of the drag-reducing plate when the baffle is displaced, ensure that the cleaning ring always maintains a tight fit with the top of the baffle, reduce incomplete dust removal due to deformation, and maintain a stable dust cleaning effect.

[0024] Furthermore, the resistance-reducing plate and the cleaning ring are made of GF-reinforced POM or PTFE material.

[0025] By adopting the above technical solutions, both GF-reinforced POM and PTFE materials have low coefficient of friction, which can further reduce the sliding resistance between the resistance-reducing plate and the cleaning ring, making the baffle move more smoothly and reducing the manpower required for operators to open and close the baffle. At the same time, GF-reinforced POM has high structural strength and is not easily deformed, which can ensure the sliding fit accuracy between the resistance-reducing plate and the cleaning ring, extend the service life of components, and reduce the problem of frequent equipment maintenance caused by material wear.

[0026] In summary, the present invention has the following main advantages:

[0027] 1. This utility model, through the setting of the cleaning ring, because the cleaning ring is tightly attached to the top of the baffle, when the baffle moves horizontally to realize the feeding on / off control, the cleaning ring can scrape off the dust accumulated on the top of the baffle in sync with the movement of the baffle, effectively reducing the amount of dust brought into the gap between the baffle and the mounting plate, thereby alleviating the problem of increased sliding resistance of the baffle caused by dust entering the gap, and reducing the manpower consumption of the staff when opening and closing the baffle.

[0028] 2. By setting up a resistance-reducing plate, this utility model can effectively reduce the friction between the cleaning ring and the baffle due to the sliding connection between the resistance-reducing plate and the cleaning ring, thereby reducing the wear of the components during the relative movement of the two, slowing down the rate of increase in the gap between the baffle and the mounting plate caused by wear, extending the service life of the core components of the equipment, and ensuring the long-term stability of the equipment operation.

[0029] 3. This utility model, through the setting of the first through hole, the second through hole and the third through hole, forms a through hole system that is narrow at the top and wide at the bottom because all three through holes are frustum-shaped. This structure causes the dust in the gap to lose its bottom support and fall more easily downwards under the action of gravity, reducing the amount of dust residue in the gap when the baffle is opened. This alleviates the vicious cycle of dust residue, increased resistance and aggravated wear from the source and further improves the operational reliability of the equipment. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the main structure of the separator of this utility model;

[0032] Figure 3 This is a schematic diagram of the mounting plate structure of this utility model;

[0033] Figure 4 This is a schematic cross-sectional view of the mounting plate of this utility model;

[0034] Figure 5 This is a schematic diagram of the cross-sectional structure of the baffle of this utility model.

[0035] In the diagram: 1. Base; 2. Separator body; 3. Dust collector; 4. Fan; 5. Ash bin; 6. Control cabinet; 7. Inspection door; 8. Feed pipe; 9. Static eliminator; 10. Mounting plate; 11. Baffle; 12. First through hole; 13. Second through hole; 14. Third through hole; 15. Resistance reducing plate; 16. Cleaning ring. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0037] The embodiments of this utility model will be described below based on its overall structure.

[0038] Example 1:

[0039] Plastic particle dust separator, such as Figures 1-5As shown, the device includes a base 1, a separator body 2, and a feed pipe 8. A first through hole 12 is provided in the middle of the top of the feed pipe 8. A mounting plate 10 is connected to the top of the feed pipe 8. A third through hole 14 is provided in the middle of the top of the mounting plate 10. A baffle 11 is connected between the mounting plate 10 and the feed pipe 8, and the baffle 11 is slidably connected to the feed pipe 8 and the mounting plate 10. A second through hole 13 is provided in the top of the baffle 11. The first through hole 12, the second through hole 13, and the third through hole 14 are all frustum-shaped. The top diameter of the first through hole 12 is smaller than the bottom diameter of the second through hole 13, and the top diameter of the second through hole 13 is smaller than the bottom diameter of the third through hole 14. 3 is connected to the first through hole 12 and the third through hole 14. A resistance-reducing plate 15 is connected to one side of the top of the baffle 11. The length of the resistance-reducing plate 15 is greater than the top diameter of the second through hole 13 and the bottom diameter of the third through hole 14. When the baffle 11 slides forward, the second through hole 13 is misaligned with the first through hole 12 and the third through hole 14, and the connection between the feeding device and the feed pipe 8 is cut off, so the plastic particles cannot continue to be conveyed downward. When the baffle 11 slides in the reverse direction, the second through hole 13 at its top will be aligned with the first through hole 12 at the top of the feed pipe 8 and the third through hole 14 at the top of the mounting plate 10. At this time, the plastic particles in the external feeding device can be conveyed by gravity. The material passes through the third through hole 14, the second through hole 13, and the first through hole 12, entering the inside of the feed pipe 8. During this process, since the first through hole 12, the second through hole 13, and the third through hole 14 are all frustum-shaped and form a through hole system that is narrow at the top and wide at the bottom, the dust remaining in the gaps will naturally fall downwards under its own gravity due to the loss of bottom structural support, reducing the amount of dust remaining in the gap between the baffle 11 and the mounting plate 10, thus reducing the possibility of dust accumulation from the source. A cleaning ring 16 is connected inside the mounting plate 10. The inner diameter of the top of the cleaning ring 16 is smaller than the inner diameter of the bottom of the cleaning ring 16. The resistance reducing plate 15 is slidably connected to the cleaning ring 16. During the translation process, the cleaning ring 16 connected inside the mounting plate 10 is always in close contact with the top of the drag-reducing plate 15. It will scrape off the plastic dust accumulated on the top of the baffle 11 in sync with the movement of the baffle 11. The scraped dust can enter the feed pipe 8 through the through hole system, effectively reducing the amount of dust brought into the gap between the baffle 11 and the mounting plate 10, thereby alleviating the problem of increased sliding resistance of the baffle 11 caused by dust accumulation. At the same time, the drag-reducing plate 15 can significantly reduce the direct friction between the cleaning ring 16 and the baffle 11, reduce the wear of the components during the relative movement of the two, and slow down the rate at which the gap between the baffle 11 and the mounting plate 10 expands due to wear.

[0040] See Figure 1 and Figure 2In the above embodiment, a control cabinet 6 is installed on one side of the base 1, a dust collector 3 is installed inside the base 1, a dust bucket 5 is connected to the bottom of the dust collector 3, a fan 4 is connected to the top of the base 1, the separator body 2 is connected to the fan 4 and the dust collector 3 via a flexible hose, an inspection door 7 is connected to the outer surface of the separator body 2, a feed pipe 8 is connected to the top of the separator body 2, and an electrostatic eliminator 9 is installed on one side of the feed pipe 8. When plastic particles enter the feed pipe 8, the electrostatic eliminator 9 installed on one side of the feed pipe 8 will be activated to remove static electricity from the surface of the plastic particles, reduce the adhesion of plastic dust, fine plastic filaments and other impurities on the particle surface, and make it easier for impurities to separate from the plastic particles; subsequently, after electrostatic elimination... The plastic particles and impurities enter the separator body 2 together. At this time, the fan 4 on the top side of the base 1 starts to work and generate airflow. Under the action of airflow, the denser plastic particles will be discharged from the bottom of the separator body 2 due to the gravity being greater than the buoyancy of the airflow, and enter the extruder or other processing equipment or container. The less dense impurities such as dust and plastic filaments will flow with the airflow and enter the dust collector 3 inside the base 1 through the hose. Inside the dust collector 3, the impurities in the airflow are separated and filtered. The impurities fall into the ash bucket 5 connected to the bottom of the dust collector 3 under the action of gravity for collection, which is convenient for subsequent unified treatment. The filtered clean airflow returns to the fan 4 to form an airflow circulation.

[0041] Example 2:

[0042] Based on the above embodiment one, the following settings are now adopted to increase structural stability.

[0043] See Figure 4 and Figure 5 In the above embodiment, the cleaning ring 16 has a trapezoidal cross-section and a thickened bottom structure design, which can reduce the deformation phenomenon caused by friction between the bottom of the cleaning ring 16 and the top of the resistance reducing plate 15 when the baffle 11 is displaced, ensuring that the cleaning ring 16 always maintains a tight fit with the top of the baffle 11 and maintains a stable dust removal effect.

[0044] Example 3:

[0045] Based on the above embodiment one, the following settings are now implemented to reduce structural wear.

[0046] See Figures 2-5 In the above embodiments, the resistance-reducing plate 15 and the cleaning ring 16 are made of GF-reinforced POM or PTFE material. These materials have a low coefficient of friction, which can further reduce the sliding resistance between the resistance-reducing plate 15 and the cleaning ring 16, making the baffle 11 move more smoothly. GF-reinforced POM has higher structural strength and is not easily deformed, which can ensure the stability of the sliding fit between the resistance-reducing plate 15 and the cleaning ring 16 and extend the service life of both.

[0047] The implementation principle of this utility model is as follows: First, the top of the mounting plate 10 is connected to the external funnel or conveying equipment by bolts to provide basic support for the feeding of plastic granules; the operator can control the feeding flow by moving the baffle 11; when the baffle 11 slides forward, the second through hole 13 is misaligned with the first through hole 12 and the third through hole 14, the connection between the feeding equipment and the feeding pipe 8 is cut off, and the plastic granules cannot continue to be conveyed downward; when the baffle 11 slides in the reverse direction, the second through hole 13 on its top will be connected to the first through hole 12 and the third through hole 14 on the top of the feeding pipe 8. When the third through hole 14 at the top of the mounting plate 10 is aligned, the plastic particles in the external feeding equipment can pass through the third through hole 14, the second through hole 13, and the first through hole 12 in sequence by gravity and enter the inside of the feed pipe 8. During this process, since the first through hole 12, the second through hole 13, and the third through hole 14 are all frustum-shaped and form a through hole system that is narrow at the top and wide at the bottom, the dust remaining in the gap will fall down naturally under its own gravity due to the loss of the bottom structure support, reducing the amount of dust remaining in the gap between the baffle 11 and the mounting plate 10, and reducing the possibility of dust accumulation from the source.

[0048] During the translation of the baffle 11, the cleaning ring 16 connected inside the mounting plate 10 remains in close contact with the top of the drag-reducing plate 15. It scrapes off the accumulated plastic dust on the top of the baffle 11 as the baffle 11 moves. The scraped dust can then enter the feed pipe 8 through the through-hole system, effectively reducing the amount of dust carried into the gap between the baffle 11 and the mounting plate 10, thereby alleviating the problem of increased sliding resistance of the baffle 11 due to dust accumulation. Simultaneously, the drag-reducing plate 15 significantly reduces the direct friction between the cleaning ring 16 and the baffle 11, reducing component wear during relative movement and slowing the rate at which the gap between the baffle 11 and the mounting plate 10 widens due to wear. Furthermore, the cleaning ring 16 has a cross-section that is... The trapezoidal and thickened bottom structure design reduces the deformation of the bottom of the cleaning ring 16 due to friction with the top of the resistance-reducing plate 15 when the baffle 11 moves, ensuring that the cleaning ring 16 always maintains a tight fit with the top of the baffle 11 and maintains a stable dust removal effect. The resistance-reducing plate 15 and the cleaning ring 16 are made of GF-reinforced POM or PTFE material. These materials have a low coefficient of friction, which can further reduce the sliding resistance between the resistance-reducing plate 15 and the cleaning ring 16, making the baffle 11 move more smoothly. GF-reinforced POM has higher structural strength and is not easily deformed, which can ensure the stability of the sliding fit between the resistance-reducing plate 15 and the cleaning ring 16 and extend the service life of both.

[0049] When plastic granules enter the feed pipe 8, the electrostatic eliminator 9 installed on one side of the feed pipe 8 will be activated to remove static electricity from the surface of the plastic granules, reducing the adhesion of impurities such as plastic dust and fine plastic filaments to the surface of the granules, making it easier for impurities to separate from the plastic granules. Subsequently, the plastic granules and impurities treated by electrostatic elimination enter the separator body 2 together. At this time, the fan 4 on one side of the top of the base 1 starts to work to generate airflow. Under the action of airflow, the denser plastic granules will be discharged from the bottom of the separator body 2 due to the gravity being greater than the buoyancy of the airflow, and enter the extruder or other processing equipment or container. The less dense impurities such as dust and plastic filaments will flow with the airflow and enter the dust collector 3 inside the base 1 through the hose. Inside the dust collector 3, the impurities in the airflow are separated and filtered. The impurities fall into the ash bucket 5 connected to the bottom of the dust collector 3 under the action of gravity for collection, which is convenient for subsequent unified treatment. The filtered clean airflow returns to the fan 4 to form an airflow circulation.

[0050] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A plastic particle dust separator, comprising a base (1), a separator body (2), and a feed pipe (8), characterized in that: The feed pipe (8) has a first through hole (12) in the middle of its top. The feed pipe (8) is connected to a mounting plate (10) and a third through hole (14) is opened in the middle of its top. A baffle (11) is connected between the mounting plate (10) and the feed pipe (8) and a second through hole (13) is opened in the top of the baffle (11). A resistance reducing plate (15) is connected to one side of the top of the baffle (11) and a cleaning ring (16) is connected inside the mounting plate (10).

2. The plastic particle dust separator according to claim 1, characterized in that: The first through hole (12), the second through hole (13) and the third through hole (14) are all frustum-shaped, and the top diameter of the first through hole (12) is smaller than the bottom diameter of the second through hole (13), and the top diameter of the second through hole (13) is smaller than the bottom diameter of the third through hole (14).

3. The plastic particle dust separator according to claim 1, characterized in that: The baffle (11) is slidably connected to the feed pipe (8) and the mounting plate (10), and the resistance reducing plate (15) is slidably connected to the cleaning ring (16).

4. The plastic particle dust separator according to claim 2, characterized in that: The second through hole (13) is connected to the first through hole (12) and the third through hole (14).

5. The plastic particle dust separator according to claim 3, characterized in that: The length of the resistance-reducing plate (15) is greater than the top diameter of the second through hole (13) and the bottom diameter of the third through hole (14).

6. The plastic particle dust separator according to claim 3, characterized in that: The inner diameter of the top of the cleaning ring (16) is smaller than the inner diameter of the bottom of the cleaning ring (16).

7. The plastic particle dust separator according to claim 1, characterized in that: A control cabinet (6) is installed on one side of the base (1), a dust collector (3) is installed inside the base (1), and a dust bucket (5) is connected to the bottom of the dust collector (3). A fan (4) is connected to the top side of the base (1), and the separator body (2) is connected to the fan (4) and the dust collector (3) through a flexible hose.

8. The plastic particle dust separator according to claim 7, characterized in that: The separator body (2) has an inspection door (7) connected to its outer surface. The feed pipe (8) is connected to the top side of the separator body (2), and an electrostatic eliminator (9) is installed on one side of the feed pipe (8).

9. The plastic particle dust separator according to claim 6, characterized in that: The cleaning ring (16) has a trapezoidal cross-section.

10. The plastic particle dust separator according to claim 9, characterized in that: The drag-reducing plate (15) and the cleaning ring (16) are made of GF-reinforced POM or PTFE material.

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