A plastic particle mixing device

By designing a coaxially stacked fixed and rotating disk structure, the automated cross-dispensing of plastic particles was achieved, solving the problem of low production efficiency caused by manual color changing in the existing technology and improving the automation level of the mixing device.

CN224489634UActive Publication Date: 2026-07-14HUZHOU LANXIN POLYMER MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUZHOU LANXIN POLYMER MATERIAL CO LTD
Filing Date
2025-06-30
Publication Date
2026-07-14

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Abstract

The utility model provides a kind of mixing device of plastic particles, to solve the technical problem that the plastic particle processing of the particle mixing device of prior art mentioned in background art can not classify different color plastic particles, when the plastic product of two color mixture needs to be processed, then the color of plastic particle needs to be manually replaced by staff, resulting in the reduction of production efficiency, including mixing tank, the top of mixing tank is equipped with first fixed disc and second fixed disc, first fixed disc is equipped with two first through holes, second fixed disc is equipped with two second through holes, first fixed disc and second fixed disc are coaxially rotatably equipped with first rotating disc and second rotating disc, first rotating disc is equipped with two third through holes, first rotating disc top is fixedly equipped with two first guide columns, second rotating disc bottom is fixedly equipped with two second guide columns, two second guide columns are respectively slidably sleeved in the inner cavity of first guide column, second fixed disc top is fixedly equipped with first storage bin and second storage bin.
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Description

Technical Field

[0001] This utility model relates to the field of plastic particle mixing technology, and specifically to a plastic particle mixing device. Background Technology

[0002] Plastic pellets are raw materials used to store, transport, and process plastics in a semi-finished form. Plastics are usually stored and transported in a semi-finished form. Commonly used plastic pellets are divided into general-purpose plastic pellets, engineering plastic pellets, and special plastic pellets. Plastic pellets are an indispensable raw material in plastic processing.

[0003] A prior art plastic particle mixing device, such as the utility model patent document with authorization announcement number "CN221291919U" and patent name "A Plastic Particle Mixing Equipment", discloses a plastic particle mixing device, including a tank, with an inlet on one side of the tank and an outlet at the bottom of the tank. The tank is equipped with a first stirring paddle and a second stirring paddle. A motor is fixed on the top of the tank, and the output end of the motor extends vertically downward into the tank. The output end of the motor is equipped with a drive component for driving the first stirring paddle and the second stirring paddle to rotate.

[0004] The plastic particle processing described in the aforementioned patent documents mostly fails to classify plastic particles of different colors. When processing plastic products with a mixture of two colors, workers need to manually change the color of the plastic particles and add them according to the corresponding proportions, resulting in a decrease in production efficiency. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a plastic particle mixing device. This device solves the technical problem mentioned in the background art: existing particle mixing devices often cannot classify plastic particles of different colors. When processing plastic products with a mixture of two colors, workers need to manually change the color of the plastic particles, leading to a reduction in production efficiency.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A mixing device for plastic particles includes a mixing tank with two first inlets at the top. A first fixed plate and a second fixed plate are coaxially stacked at the top of the mixing tank. The first fixed plate has two first through holes, which correspond vertically to the two first inlets. The second fixed plate has two second through holes. A first rotating plate and a second rotating plate are coaxially rotatable between the first and second fixed plates. The first rotating plate has two third through holes, and the second rotating plate has two fourth through holes perpendicularly corresponding to the third through holes. Two first guide posts are fixed at the top of the first rotating plate and communicate with the two third through holes. Two second guide posts are fixed at the bottom of the second rotating plate and communicate with the two fourth through holes. The two second guide posts are slidably sleeved within the inner cavity of the first guide posts. A first storage bin and a second storage bin are fixed at the top of the second fixed plate, and their outlet ends communicate with the two second through holes.

[0008] Working principle:

[0009] First, the operator adds two different types of plastic particles to the first and second storage bins respectively. Initially, the fourth through hole of the second rotating disk aligns with the second through hole of the second fixed disk. The plastic particles in the first and second storage bins pass sequentially through the second through hole on the second fixed disk and the fourth through hole on the second rotating disk, falling into the first and second guide columns. The top of the first fixed disk prevents the material from falling into the first and second guide columns. Then, the operator drives the first and second rotating disks to rotate 90 degrees clockwise, aligning the third through hole on the first rotating disk with the first through hole on the first fixed disk, thus opening the first guide column. Under the influence of gravity, the plastic particles in the first feed inlet fall into the mixing tank. Then, the operator rotates the container 90 degrees clockwise, and the plastic particles in the first and second storage bins fall into the first and second feed inlets in sequence. After that, the operator rotates the container 90 degrees counterclockwise, and the plastic particles in the first and second feed inlets fall into the mixing tank through the first feed inlet. Thus, by rotating clockwise and counterclockwise repeatedly, the operator can force the plastic particles in the first and second storage bins to fall into the mixing tank through the two first feed inlets in sequence at intervals, thus forcing the plastic particles to be fed in a cross-sectional manner.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The first and second storage bins independently contain two types of particles. The first through hole of the first fixed plate is at the 6 / 12 o'clock position, and the second through hole of the second fixed plate is at the 3 / 9 o'clock position, forming a vertically staggered layout. The particles fall through the vertically staggered through holes, forcing the two materials to collide crosswise in the mixing tank and avoiding stratification. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0013] Figure 2 for Figure 1 Enlarged cross-sectional view of point A in the middle;

[0014] Figure 3 for Figure 1 Enlarged cross-sectional view of section B;

[0015] Figure 4 This is a schematic diagram of the structure of the first fixed plate;

[0016] Figure 5 This is a schematic diagram of the second fixed plate.

[0017] Explanation of reference numerals in the attached drawings: 1. First feed inlet; 2. Mixing tank; 3. First fixed plate; 4. Second fixed plate; 5. First through hole; 6. Second through hole; 7. First rotating plate; 8. Second rotating plate; 9. Third through hole; 10. Fourth through hole; 11. First guide column; 12. Second guide column; 13. First storage bin; 14. Second storage bin; 15. First motor; 16. First rotating shaft; 17. Fixed column; 18. Spring; 19. Through-feed rod; 20. First stirring rod; 21. Second motor; 22. Pulley; 23. Belt; 24. Baffle plate; 25. Third motor; 26. Roller. Detailed Implementation

[0018] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0019] Example:

[0020] like Figure 1 and Figure 2 and Figure 4 and Figure 5As shown, a mixing device for plastic particles includes a mixing tank 2 with two first inlets 1 at the top. A first fixed plate 3 and a second fixed plate 4, coaxially stacked, are fixedly mounted on the top of the mixing tank 2. The first fixed plate 3 has two first through holes 5, which correspond vertically to the two first inlets 1. The second fixed plate 4 has two second through holes 6. The center point of the first through hole 5 is located at the 12 o'clock and 6 o'clock positions of the first fixed plate 3, and the center point of the second through hole 6 is located at the 3 o'clock and 9 o'clock positions of the second fixed plate 4. A first storage bin 13 and a second storage bin 14 are fixedly mounted on the top of the second fixed plate 4. The discharge ends of the first storage bin 13 and the second storage bin 14 are respectively connected to the two second through holes 6. The first rotating disk 7 has two third through holes 9, and the second rotating disk 8 has two fourth through holes 10 that are perpendicular to the third through holes 9. The top of the first rotating disk 7 is fixed with two first guide columns 11, which are respectively connected to the two third through holes 9. The bottom of the second rotating disk 8 is fixed with two second guide columns 12, which are respectively connected to the two fourth through holes 10. The two second guide columns 12 are respectively slidably sleeved in the inner cavity of the first guide column 11. An elastic sealing ring is provided between the inner wall of the first guide column 11 and the inner wall of the second guide column 12.

[0021] In the initial state, plastic particles in the first storage bin 13 fall into the first guide column 11 through the second through hole 6 at the three o'clock position on the second fixed plate 4, and plastic particles in the second storage bin 14 fall into the first guide column 11 through the second through hole 6 at the nine o'clock position on the second fixed plate 4. After rotating the first rotating plate 7 and the second rotating plate 8 clockwise, the plastic particles in the first storage bin 13 fall into the first through hole 5 at the twelve o'clock position on the first fixed plate 3 through the first guide column 11, and the plastic particles in the second storage bin 14... The particles fall through the first guide post 11 into the first through hole 5 at the six o'clock position of the first fixed plate 3. Then, the plate rotates 90 degrees clockwise, and the plastic particles in the first storage bin 13 and the second storage bin 14 fall into the two first guide posts 11 respectively. Then, the plate rotates 90 degrees counterclockwise, and the plastic particles in the first storage bin 13 fall through the first guide post 11 into the first through hole 5 at the six o'clock position of the first fixed plate 3. The plastic particles in the second storage bin 14 fall through the first guide post 11 into the first through hole 5 at the twelve o'clock position of the first fixed plate 3.

[0022] like Figure 1 and Figure 2As shown, a first rotating disk 7 and a second rotating disk 8 are coaxially rotatable between the first fixed disk 3 and the second fixed disk 4. A first motor 15 is fixedly mounted on the top of the second fixed disk 4, and a first rotating shaft 16 is fixedly mounted on the output end of the first motor 15. The first rotating shaft 16 slides through the second fixed disk 4 and the second rotating disk 8 and is fixedly connected to the first rotating disk 7. Several hollow fixed posts 17 are fixedly mounted on the second rotating disk 8, and springs 18 are fixedly mounted inside each of the fixed posts 17. Several through-rods 19 are fixedly mounted on the first rotating disk 7, and the through-rods 19 are slidably mounted inside the fixed posts 17 and are respectively connected to the first fixed disk 7. The dry spring 18 is fixedly connected. The first motor 15 can synchronously drive the first rotating disk 7 and the second rotating disk 8 to rotate through the cooperation of the fixed column 17 and the through rod 19 via the rotating shaft. The through rod 19 compresses the spring 18 in the fixed column 17 to achieve axial micro-displacement. The spring 18 absorbs vibration and shock to prevent the first rotating disk 7 and the second rotating disk 8 from jamming. The sliding cooperation between the through rod 19 and the fixed column 17 maintains the coaxiality of the first rotating disk 7 and the second rotating disk 8. The first fixed disk 3 and the second fixed disk 4 are both provided with rollers 26 for limiting the first rotating disk 7 and the second rotating disk 8. The first motor 15 is a servo motor.

[0023] like Figure 1 and Figure 3 As shown, a first stirring rod 20 is rotatably installed in both the first storage bin 13 and the second storage bin 14. A second motor 21 is fixedly installed on the first storage bin 13, and the output end of the second motor 21 is fixedly connected to the first stirring rod 20 in the first storage bin 13. A pulley 22 is fixedly installed on both first stirring rods 20, and a belt 23 is fitted on both pulleys 22. The second motor 21 drives one of the first stirring rods 20 to rotate, and the pulleys 22 and belts 23 drive the rotation of both first stirring rods 20 synchronously, preventing the accumulation of plastic particles inside the first storage bin 13 and the second storage bin 14.

[0024] like Figure 1 As shown, both the first storage bin 13 and the second storage bin 14 are equipped with rotatable baffle plates 24 at their discharge ends. Both the first storage bin 13 and the second storage bin 14 are fixed with third motors 25. The two third motors 25 are used to drive the baffle plates 24 to rotate and block the plastic particles in the first storage bin 13 and the second storage bin 14 from being discharged into the second through hole 6. The third motors 25 drive the baffle plates 24 to rotate, and the discharge amount of plastic particles is controlled by adjusting the opening and closing angle. The two baffle plates 24 rotate around the discharge port of the first storage bin 13 or the second storage bin 14. The baffle plates 24 are specifically rotating ball structures inside ball valves.

[0025] Working principle:

[0026] Two types of plastic particles are stored in the first storage bin 13 and the second storage bin 14, respectively. The third motor 25 drives the baffle plate 24 to rotate, adjusting the opening of the discharge port so that the particles quantitatively enter the second through hole 6 of the second fixed disk 4. In the initial state, the fourth through hole 10 on the second rotating disk 8 is connected to the second through hole 6, so the particles in the first storage bin 13 and the second storage bin 14 fall into the first guide column 11 and the second guide column 12 under their own weight. Since the bottom of the first guide column 11 abuts against the closed part of the first fixed disk 3, the particles are blocked and will not continue to fall, thus being stored in the first guide column 11. Afterwards, the first motor 15 drives the first rotating shaft 16 to rotate the first rotating disk 7 and the second rotating disk 8 clockwise by 90 degrees. The two first guide columns 11 are respectively connected to the first through hole 5 on the first fixed disk 3, so the particles in the first storage bin 13 pass through the first through hole 5 at the 12 o'clock position. The particles fall into the mixing tank 2 through hole 5. The particles in the second storage bin 14 fall into the mixing tank 2 through the first through hole 5 at the six o'clock position. Then the operator continues to rotate 90 degrees clockwise. The particles in the first storage bin 13 and the second storage bin 14 continue to fall into the two first guide columns 11. Then the operator rotates 90 degrees counterclockwise. The particles in the first storage bin 13 fall into the mixing tank 2 through the first through hole 5 at the six o'clock position. The particles in the second storage bin 14 fall into the mixing tank 2 through the first through hole 5 at the twelve o'clock position. Then the particles in the first storage bin 13 and the second storage bin 14 fall into the mixing tank 2 through the two first through holes 5 in turn. This prevents the different particles in the mixing tank 2 from stratifying and accumulating. The second motor 21 drives the stirring rod in the first storage bin 13 and the second storage bin 14 through belt 23, pulley 22 and belt 23 to break up the particle arching.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A mixing device for plastic particles, characterized in that, The mixing tank (2) includes two first feed inlets (1) on its top. A first fixed plate (3) and a second fixed plate (4) are coaxially stacked on the top of the mixing tank (2). The first fixed plate (3) has two first through holes (5), which correspond vertically to the two first feed inlets (1). The second fixed plate (4) has two second through holes (6). A first rotating plate (7) and a second rotating plate (8) are coaxially rotatable between the first fixed plate (3) and the second fixed plate (4). The first rotating plate (7) has two third through holes (9), and the second rotating plate (8) has two third through holes (9). The first rotating disk (7) has four through holes (10) and is perpendicular to the third through hole (9). The top of the first rotating disk (7) is fixed with two first guide columns (11) and they are respectively connected to the two third through holes (9). The bottom of the second rotating disk (8) is fixed with two second guide columns (12) and they are respectively connected to the two fourth through holes (10). The two second guide columns (12) are respectively slidably sleeved in the inner cavity of the first guide column (11). The top of the second fixed disk (4) is fixed with a first storage bin (13) and a second storage bin (14). The discharge ends of the first storage bin (13) and the second storage bin (14) are respectively connected to the two second through holes (6).

2. The mixing device for plastic particles according to claim 1, characterized in that: The center point of the first through hole (5) is located at the 12 o'clock and 6 o'clock direction of the first fixed plate (3), and the center point of the second through hole (6) is located at the 3 o'clock and 9 o'clock direction of the second fixed plate (4).

3. The mixing device for plastic particles according to claim 1, characterized in that: The top of the second fixed disk (4) is fixedly provided with a first motor (15), and the output end of the first motor (15) is fixedly provided with a first rotating shaft (16). The first rotating shaft (16) slides through the second fixed disk (4) and the second rotating disk (8) and is fixedly connected to the first rotating disk (7).

4. The mixing device for plastic particles according to claim 1, characterized in that: The second rotating disk (8) is fixed with a plurality of hollow fixed columns (17), and each of the fixed columns (17) is fixed with a spring (18). The first rotating disk (7) is fixed with a plurality of through rods (19), and the through rods (19) are slidably disposed in the fixed columns (17) and are fixedly connected to the springs (18).

5. The mixing device for plastic particles according to claim 1, characterized in that: The first storage bin (13) and the second storage bin (14) are each equipped with a first stirring rod (20) that rotates in the same direction. The first storage bin (13) is equipped with a second motor (21). The output end of the second motor (21) is fixedly connected to the first stirring rod (20) in the first storage bin (13). The two first stirring rods (20) are each equipped with a pulley (22). The two pulleys (22) are each equipped with a belt (23).

6. The mixing device for plastic particles according to claim 1, characterized in that: Both the first storage bin (13) and the second storage bin (14) are equipped with a baffle plate (24) at their discharge ends. Both the first storage bin (13) and the second storage bin (14) are equipped with a third motor (25). The two third motors (25) are used to drive the baffle plate (24) to rotate and prevent the plastic particles in the first storage bin (13) and the second storage bin (14) from being discharged into the second through hole (6).