Anti-sticking structure for plastic particle feeding hopper
By using a stirring mechanism and a flow aid mechanism in the plastic pellet feeding hopper, the sticking of plastic pellets in the hopper is prevented, which solves the problem of agglomeration and sticking caused by material characteristics in traditional feeding hoppers, improves production efficiency and reduces equipment maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional plastic pellet feeding hoppers are prone to plastic pellet agglomeration or adhesion to the inner wall due to factors such as static electricity, humidity, and temperature during storage and feeding, resulting in poor material flow, equipment blockage, and increased maintenance costs.
The device employs a stirring mechanism and a flow-aiding mechanism, including a motor-driven connecting plate that stirs the plastic granules and a gas film formed by a gas pump to cover the inner wall, reducing friction. Combined with heating wires and uniform gas spraying, it prevents sticking.
It effectively prevents plastic particles from sticking in the hopper, improves production efficiency, and reduces equipment maintenance costs.
Smart Images
Figure CN224012769U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic pellet processing technology, and in particular to an anti-sticking structure for a plastic pellet feeding hopper. Background Technology
[0002] Plastic pellet feed hoppers, often simply called feed hoppers or hoppers, are components used for storing and feeding plastic raw materials, playing an important role in the plastics processing industry.
[0003] However, during the storage and feeding process, due to the material characteristics of plastic granules, traditional plastic granule feeding hoppers are prone to agglomeration or adhesion to the inner wall of the hopper due to factors such as static electricity, humidity, and temperature. This not only leads to poor material flow and affects production efficiency, but may also cause equipment blockage, increasing the complexity and cost of equipment maintenance. Utility Model Content
[0004] This utility model discloses an anti-sticking structure for a plastic granule feeding hopper, aiming to solve the technical problem that, during the storage and feeding process of traditional plastic granule feeding hoppers, due to the material characteristics of plastic granules, they are prone to agglomeration or adhesion to the inner wall of the feeding hopper due to factors such as static electricity, humidity, and temperature. This not only leads to poor material flow and affects production efficiency, but may also cause equipment blockage, increasing the complexity and cost of equipment maintenance.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] An anti-sticking structure for a plastic pellet feeding hopper includes a hopper body with two support frames on its outer wall. It also includes: a stirring mechanism located inside the hopper body; and a flow-aiding mechanism located at the top of the hopper body. The flow-aiding mechanism includes an air pump and a second connecting pipe. A mounting plate is provided on the top outer wall of the hopper body. The air pump is located on the top outer wall of the mounting plate. One end of the air pump is fixedly connected to a first connecting pipe, which communicates with the second connecting pipe. A guide plate is provided on the circumferential inner wall of the hopper body. One end of the guide plate communicates with the first connecting pipe. A heating wire is provided inside the guide plate, and several equidistantly distributed air holes are formed on the outer wall of the guide plate.
[0007] By adopting the above technical solution, the problem of plastic particles sticking in the hopper body can be effectively prevented, production efficiency can be improved and equipment maintenance costs can be reduced. Specifically, when plastic particles are fed into the hopper body, the stirring mechanism starts to work, continuously stirring the plastic particles to prevent agglomeration. At the same time, the air pump starts, introducing a portion of gas into the interior of the guide plate. The gas is heated to a certain temperature by the heating wire and then evenly sprayed out through the air holes, forming a thin air film covering the inner wall of the hopper body and the plastic particles. These air holes are evenly distributed to ensure that the gas can cover every corner of the hopper body, thereby effectively reducing the friction between the plastic particles and the inner wall of the hopper body, reducing the possibility of sticking, and reducing direct contact. Under the combined action of stirring, gas flow assistance, and heating, the plastic particles can flow smoothly out of the hopper body, avoiding the occurrence of sticking.
[0008] In a preferred embodiment, the stirring mechanism includes a motor, the output shaft of which is fixedly connected to a connecting rod, and the outer circumferential wall of the connecting rod is provided with four equally spaced connecting plates.
[0009] In this design, when the motor starts, its output shaft begins to rotate. The rotation of the output shaft is transmitted to the connecting plate through the connecting rod. As the connecting plate rotates, it continuously agitates the plastic particles in the hopper body. Since the connecting plates are evenly distributed, they can ensure that the plastic particles are uniformly agitated in the hopper body. During the agitation process, the relative motion between the plastic particles increases, thereby reducing the adhesion between the particles and effectively reducing the occurrence of sticking.
[0010] In a preferred embodiment, three mounting chambers are provided between two adjacent connecting plates, two nozzles are provided on one outer wall of each mounting chamber, and a mounting cavity is provided between the four connecting plates. One end of the second connecting pipe communicates with the mounting cavity, and the mounting cavity communicates with the mounting chamber.
[0011] In this design, the installation chamber serves as a gas distribution chamber, evenly distributing the gas supplied by the air pump to each installation chamber and nozzle. Simultaneously, the installation chamber not only provides installation positions for the nozzles but also acts as a buffer and dispersant during the mixing process, resulting in more uniform mixing. When some plastic particles fall onto the upper surface of the installation chamber, the heated gas ejected from the air holes on the guide plate can dry the surface of the plastic particles, reducing agglomeration and adhesion. Meanwhile, another portion of the plastic particles falling onto the surface of the guide plate can be dispersed by the nozzles on the installation chamber.
[0012] As described above, an anti-sticking structure for a plastic granule feeding hopper includes a hopper body with two support frames on its outer wall. It also includes: a stirring mechanism located inside the hopper body; and a flow-aiding mechanism located at the top of the hopper body. The flow-aiding mechanism includes an air pump and a second connecting pipe. A mounting plate is provided on the top outer wall of the hopper body, and the air pump is located on the top outer wall of the mounting plate. One end of the air pump is fixedly connected to a first connecting pipe, which communicates with the second connecting pipe. A guide plate is provided on the circumferential inner wall of the hopper body, with one end communicating with the first connecting pipe. A heating wire is provided inside the guide plate, and several equidistantly distributed air holes are opened on the outer wall of the guide plate. The anti-sticking structure for a plastic granule feeding hopper provided by this utility model effectively prevents plastic granules from sticking in the hopper body, improving production efficiency and reducing equipment maintenance costs. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of an anti-sticking structure for a plastic pellet feeding hopper proposed in this utility model.
[0014] Figure 2 This is a schematic diagram of the flow-aiding mechanism for an anti-sticking structure in a plastic granule feeding hopper proposed in this utility model.
[0015] Figure 3 This is a schematic diagram of the stirring mechanism for an anti-sticking structure in a plastic granule feeding hopper proposed in this utility model.
[0016] Figure 4 This is a front view cross-sectional schematic diagram of an anti-sticking structure for a plastic pellet feeding hopper proposed in this utility model.
[0017] In the attached diagram: 1. Hopper body; 2. Support frame; 3. Mounting plate; 4. Air pump; 5. First connecting pipe; 6. Second connecting pipe; 7. Guide plate; 8. Air hole; 9. Mounting frame; 10. Connecting plate; 11. Mounting chamber; 12. Nozzle; 13. Motor; 14. Heating wire. Detailed Implementation
[0018] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and marked in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0019] The present invention discloses an anti-sticking structure for a plastic pellet feeding hopper. This structure is mainly applied to the traditional plastic pellet feeding hopper. During storage and feeding, due to the material characteristics of plastic pellets, they are prone to agglomeration or sticking to the inner wall of the feeding hopper due to factors such as static electricity, humidity, and temperature. This not only leads to poor material flow and affects production efficiency, but may also cause equipment blockage, increasing the complexity and cost of equipment maintenance.
[0020] Reference Figure 1 , Figure 2 and Figure 4 An anti-sticking structure for a plastic pellet feeding hopper includes a hopper body 1, with two support frames 2 on the outer wall of the hopper body 1, and further includes: a stirring mechanism located inside the hopper body 1; a flow aid mechanism located at the top of the hopper body 1, the flow aid mechanism including an air pump 4 and a second connecting pipe 6, a mounting plate 3 on the top outer wall of the hopper body 1, the air pump 4 located on the top outer wall of the mounting plate 3, a first connecting pipe 5 fixedly connected to one end of the air pump 4, the first connecting pipe 5 communicating with the second connecting pipe 6, a guide plate 7 on the circumferential inner wall of the hopper body 1, one end of the guide plate 7 communicating with the first connecting pipe 5, a heating wire 14 inside the guide plate 7, and several equidistantly distributed air holes 8 on the outer wall of the guide plate 7.
[0021] Among them, the guide plate 7 has a spiral structure and a hollow structure inside. The purpose of this design is to enable the gas to be evenly distributed inside the guide plate 7 and evenly sprayed out through the air holes 8 on the outer wall of the guide plate 7.
[0022] Specifically, when plastic granules are fed into the hopper body 1, the stirring mechanism starts working, continuously stirring the plastic granules to prevent agglomeration. At the same time, the air pump 4 starts, introducing a portion of gas into the interior of the guide plate 7. The gas is heated to a certain temperature by the heating wire 14 and then evenly sprayed out through the air holes 8, forming a thin gas film covering the inner wall of the hopper body 1 and the plastic granules. These air holes 8 are evenly distributed to ensure that the gas can cover every corner inside the hopper body 1, thereby effectively reducing the friction between the plastic granules and the inner wall of the hopper body 1, reducing the possibility of sticking, and reducing direct contact. Under the combined action of stirring, gas flow assistance, and heating, the plastic granules can flow smoothly out of the hopper body 1, avoiding the occurrence of sticking. This device can effectively prevent the problem of plastic granules sticking in the hopper body 1, improve production efficiency, and reduce equipment maintenance costs.
[0023] Reference Figure 3 and Figure 4 In a preferred embodiment, the stirring mechanism includes a motor 13, the output shaft of the motor 13 is fixedly connected to a connecting rod, and the outer circumference of the connecting rod is provided with four equally spaced connecting plates 10.
[0024] The hopper body 1 has a mounting frame 9 on its inner circumference, and a mounting groove is provided on the top outer wall of the mounting frame 9. The motor 13 is installed on the inner wall of the mounting groove.
[0025] Specifically, when the motor 13 starts, its output shaft begins to rotate. The rotation of the output shaft is transmitted to the connecting plate 10 through the connecting rod. As the connecting plate 10 rotates, it continuously agitates the plastic particles in the hopper body 1. Since the connecting plates 10 are evenly distributed, they can ensure that the plastic particles are uniformly agitated in the hopper body 1. During the agitation process, the relative movement between the plastic particles increases, thereby reducing the adhesion between the particles and effectively reducing the occurrence of sticking.
[0026] Reference Figure 1 , Figure 3 and Figure 4 In a preferred embodiment, three mounting chambers 11 are provided between two adjacent connecting plates 10, two nozzles 12 are provided on one outer wall of the mounting chamber 11, and a mounting cavity is provided between the four connecting plates 10. One end of the second connecting pipe 6 is connected to the mounting cavity, and the mounting cavity is connected to the mounting chamber 11.
[0027] It should be noted that a polytetrafluoroethylene (PTFE) anti-stick layer can be coated on the inner wall of the hopper body 1, as well as on the surfaces of the connecting plate 10 and the guide plate 7. PTFE has excellent properties such as non-adhesion, resistance to high and low temperatures, and corrosion resistance.
[0028] The connecting plate 10 has a right-angled trapezoidal structure. The design of the hypotenuse of the right-angled trapezoid allows the connecting plate 10 to cut into the plastic granule pile better when rotating, thereby achieving deeper mixing. This design helps to break the agglomeration phenomenon in the plastic granule pile, making the mixing more uniform and reducing the occurrence of sticking. This is because a certain gap is formed between the hypotenuse and the guide plate 7, making it easier for the plastic granules to be stirred and separated.
[0029] In the specific implementation process, the three installation chambers 11 located in the same vertical direction are arranged in a stepped manner. The stepped distribution of the installation chambers 11 allows the stirring mechanism to cover a larger space range when rotating. Each installation chamber 11 and its nozzle 12 can independently stir and assist the flow of plastic particles of different heights, thereby achieving a more comprehensive stirring effect.
[0030] Specifically, during use, the installation chamber serves as a gas distribution chamber, evenly distributing the gas supplied by the air pump 4 to each installation chamber 11 and nozzle 12. At the same time, the installation chamber 11 not only provides an installation position for the nozzle 12, but also plays a certain role in buffering and dispersing during the stirring process, making the stirring more uniform. Thus, when some plastic particles fall onto the upper surface of the installation chamber 11, the heated gas ejected from the air holes 8 on the guide plate 7 can dry the surface of the plastic particles, reducing agglomeration and adhesion. Meanwhile, another part of the plastic particles falling onto the upper surface of the guide plate 7 can be dispersed by the nozzles 12 on the installation chamber 11.
[0031] Working principle: When plastic granules are fed into the hopper body 1, the stirring mechanism starts working, continuously stirring the plastic granules to prevent agglomeration. At the same time, the air pump 4 starts, introducing a portion of gas into the interior of the guide plate 7. The gas is heated to a certain temperature by the heating wire 14 and then evenly sprayed out through the air holes 8, forming a thin air film covering the inner wall of the hopper body 1 and the plastic granules. These air holes 8 are evenly distributed to ensure that the gas can cover every corner inside the hopper body 1, thereby effectively reducing the friction between the plastic granules and the inner wall of the hopper body 1, reducing the possibility of sticking, and reducing direct contact. Under the combined action of stirring, gas flow assistance, and heating, the plastic granules can flow smoothly out of the hopper body 1, avoiding the occurrence of sticking.
[0032] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.
Claims
1. An anti-sticking structure for a plastic pellet feeding hopper, comprising a hopper body (1), characterized in that, The outer wall of the hopper body (1) is provided with two support frames (2), and also includes: Agitation mechanism: located inside the hopper body (1); Flow aid mechanism: Located at the top of the hopper body (1), the flow aid mechanism includes an air pump (4) and a second connecting pipe (6). The top outer wall of the hopper body (1) is provided with an mounting plate (3). The air pump (4) is located on the top outer wall of the mounting plate (3). One end of the air pump (4) is fixedly connected to a first connecting pipe (5). The first connecting pipe (5) communicates with the second connecting pipe (6). The inner circumference of the hopper body (1) is provided with a guide plate (7). One end of the guide plate (7) communicates with the first connecting pipe (5). The inside of the guide plate (7) is provided with a heating wire (14). Several equally spaced air holes (8) are opened on the outer wall of the guide plate (7).
2. The anti-sticking structure for a plastic pellet feeding hopper according to claim 1, characterized in that, The guide plate (7) has a spiral structure and the interior of the guide plate (7) is hollow.
3. The anti-sticking structure for a plastic pellet feeding hopper according to claim 2, characterized in that, The stirring mechanism includes a motor (13), the output shaft of which is fixedly connected to a connecting rod, and the outer circumference of the connecting rod is provided with four equally spaced connecting plates (10).
4. The anti-sticking structure for a plastic pellet feeding hopper according to claim 3, characterized in that, The inner circumference of the hopper body (1) is provided with a mounting bracket (9), and the top outer wall of the mounting bracket (9) is provided with a mounting groove. The motor (13) is installed on the inner wall of the mounting groove.
5. The anti-sticking structure for a plastic pellet feeding hopper according to claim 4, characterized in that, Three installation chambers (11) are provided between two adjacent connecting plates (10). Two nozzles (12) are provided on one outer wall of the installation chamber (11). An installation cavity is provided between the four connecting plates (10). One end of the second connecting pipe (6) is connected to the installation cavity. The installation cavity is connected to the installation chamber (11).
6. The anti-sticking structure for a plastic pellet feeding hopper according to claim 5, characterized in that, The connecting plate (10) has a right-angled trapezoidal structure.
7. The anti-sticking structure for a plastic pellet feeding hopper according to claim 5, characterized in that, The three installation compartments (11) located in the same vertical direction are arranged in a stepped manner.