Stirring machine for plastic processing
By designing a rotating column and a swinging assembly, the problem of uneven material mixing in plastic processing mixers is solved, achieving uniform mixing within the mixer and improving the quality and production efficiency of plastic products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU XIFU PLASTIC PROD CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-24
AI Technical Summary
Existing mixers for plastic processing suffer from uneven material mixing, especially the bottom material which is difficult to mix, resulting in uneven mixing and affecting the performance consistency and production efficiency of plastic products.
The system uses a rotating column to drive vertical stirring rods and inclined plates, combined with a swing assembly. Through rotation and swinging mechanisms, it ensures uniform mixing of materials within the mixer, preventing material accumulation at the bottom and axial stratification.
It improves the uniformity of material mixing, ensures the performance stability and quality consistency of plastic products, reduces dead zones in the mixing process, and improves production efficiency.
Smart Images

Figure CN224158669U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic processing mixing technology, and in particular to a mixer for plastic processing. Background Technology
[0002] In the plastics processing industry, mixers are core equipment, and their performance directly affects the quality and production efficiency of plastic products. With the continuous expansion of applications for plastic products, from everyday consumer goods to high-tech fields such as aerospace, the market demands increasingly stringent quality requirements for plastic processing, placing higher standards on mixers in terms of mixing uniformity and working efficiency. The main function of a mixer is to thoroughly mix plastic raw materials and additives of different properties, ensuring that the components are evenly distributed at the microscopic level, laying the foundation for subsequent molding processes.
[0003] Currently, most commercially available plastic processing mixers employ a traditional structural design. A typical mechanical structure includes a fixed mixing tank, a mixing shaft installed inside the tank, and mixing blades. The main technical principle is that a motor drives the mixing shaft to rotate, which in turn drives the mixing blades to agitate the materials inside the tank, causing them to move in a circular motion and tumble, thus achieving mixing. The mixing blades are generally straight blades; the thrust and shearing forces generated during rotation cause the materials to rub and collide with each other, achieving the mixing purpose.
[0004] However, existing plastic processing mixers suffer from uneven material mixing in practical applications. Due to gravity, materials tend to accumulate at the bottom of the container, and ordinary mixing blades struggle to effectively engage the bottom material during rotation, resulting in the bottom material remaining stationary or moving slowly for extended periods. Simultaneously, the lack of effective mixing force in the axial direction during mixing leads to stratification, with significant differences in the degree of mixing between the upper and lower parts. This uneven mixing results in inconsistent performance of plastic products, such as large fluctuations in strength and toughness within a batch, severely impacting product quality and yield. Furthermore, uneven mixing can increase raw material loss, prolong mixing time, and reduce production efficiency, failing to meet the high-quality, high-efficiency production requirements of the modern plastic processing industry. Therefore, this paper proposes a new type of plastic processing mixer to address these issues. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a mixer for plastic processing, which aims to improve the problem of uneven mixing in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A plastic processing mixer includes a mixer, a feed inlet at the top of the mixer, a discharge outlet at the bottom of the mixer, a mixing assembly inside the mixer, a table at the bottom of the mixer, and a swing assembly at the top of the table.
[0008] The mixing assembly includes a rotating column, the outer wall of which is rotatably connected to the inner wall of the mixer. A motor is fixedly connected to the top of the mixer, and the output end of the motor is fixedly connected to one end of the rotating column. A fixing rod is fixedly connected to the outer wall of the rotating column, and a scraper is fixedly connected to the other end of the fixing rod. A second fixing rod is fixedly connected to the outer wall of the rotating column, and a vertical stirring rod is fixedly connected to the outer wall of the second fixing rod. A stirring rod is fixedly connected to the outer wall of the rotating column, and an inclined plate is fixedly connected to the bottom of the outer wall of the rotating column.
[0009] As a further description of the above technical solution:
[0010] The swing assembly includes a rotating column three, the outer wall of which is disposed on the top of the table, a fixing block is fixedly connected to the top of the table, and a bracket is fixedly connected to the top of the table.
[0011] As a further description of the above technical solution:
[0012] A support frame is fixedly connected to the top of the platform, and a second motor is fixedly connected to the top of the support frame. The output end of the second motor is fixedly connected to one end of the rotating column three.
[0013] As a further description of the above technical solution:
[0014] A fixed frame is fixedly connected to the top of the platform, the outer wall of the rotating column three is rotatably connected to the inner wall of the fixed frame, and a connecting arm two is fixedly connected to the outer wall of the rotating column three.
[0015] As a further description of the above technical solution:
[0016] A rotating rod 2 is fixedly connected to the inner wall of the second connecting arm, and a first connecting arm is rotatably connected to the outer wall of the second rotating rod. The other end of the first connecting arm is rotatably connected to the first rotating rod.
[0017] As a further description of the above technical solution:
[0018] A connecting block two is fixedly connected to the outer wall of the rotating rod one, and a moving rod is fixedly connected to the outer wall of the connecting block two;
[0019] As a further description of the above technical solution:
[0020] The outer wall of the movable rod is slidably connected to the inner wall of the fixed block, and the other end of the movable rod is rotatably connected to a connecting block.
[0021] As a further description of the above technical solution:
[0022] The top of the connecting block 1 is fixedly connected to the fixing rod 2, the inner wall of the fixing rod 2 is slidably connected to the fixing rod 1, and the other end of the fixing rod 1 is fixedly connected to the fixing ring;
[0023] As a further description of the above technical solution:
[0024] The inner wall of the fixed ring is fixedly connected to the second rotating column, and the outer wall of the second rotating column is rotatably connected to the inner wall of the bracket.
[0025] As a further description of the above technical solution:
[0026] The other end of the second rotating column is fixedly connected to the outer wall of the mixer, and the outer wall of the mixer is fixedly connected to the first rotating column. The outer wall of the first rotating column is rotatably connected to the inner wall of another bracket.
[0027] This utility model has the following beneficial effects:
[0028] 1. In this utility model, the rotating column drives the vertical stirring rod, and then the rotating column drives the inclined plate, which achieves the effect of mixing the bottom and axial direction of the mixer. This avoids the material from accumulating at the bottom of the bucket under the action of gravity. Ordinary stirring methods are difficult to make the bottom material fully participate in the mixing. At the same time, it avoids the phenomenon of material stratification in the axial direction and the problem of inconsistent performance of the upper and lower parts of the material due to insufficient axial mixing. This improves the uniformity of mixing and helps to produce plastic products with stable performance and uniform quality.
[0029] 2. In this utility model, the fixed column 1 is driven by the fixed column 2, and then the fixed ring is driven by the fixed column 1, which achieves the effect of a swing mixer. This avoids the areas where material flow is not smooth in traditional fixed mixing tanks, such as the bottom corners of the tank and near the mixing shaft, which are prone to forming mixing dead corners and causing uneven mixing of materials. This effectively avoids the occurrence of mixing dead corners, improves the uniformity of mixing, and reduces the number of repeated mixing caused by uneven mixing. Attached Figure Description
[0030] Figure 1 This is a three-dimensional schematic diagram of a mixer for plastic processing proposed in this utility model;
[0031] Figure 2 This is a schematic diagram of the rotating column of a plastic processing mixer proposed in this utility model;
[0032] Figure 3 This is a schematic diagram of the rotating column 2 of a plastic processing mixer proposed in this utility model;
[0033] Figure 4 for Figure 3 Enlarged view of point A in the middle;
[0034] Figure 5 This is a schematic diagram of the support structure of a plastic processing mixer proposed in this utility model.
[0035] Legend:
[0036] 1. Countertop; 2. Mixer; 3. Inlet; 4. Outlet; 5. Motor 1; 6. Rotating column; 7. Fixed rod 1; 8. Scraper; 9. Fixed rod 2; 10. Vertical mixing rod; 11. Mixing rod; 12. Inclined plate; 13. Support; 14. Rotating column 1; 15. Rotating column 2; 16. Fixed ring; 17. Fixed rod 1; 18. Fixed rod 2; 19. Connecting block 1; 20. Moving rod; 21. Fixed block; 22. Connecting block 2; 23. Rotating rod 1; 24. Connecting arm 1; 25. Rotating rod 2; 26. Connecting arm 2; 27. Rotating column 3; 28. Fixed frame; 29. Motor 2; 30. Support frame. Detailed Implementation
[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0038] Reference Figure 1 and Figure 2This utility model provides an embodiment of a plastic processing mixer, comprising a mixer 2, an inlet 3 at the top of the mixer 2, an outlet 4 at the bottom of the mixer 2, a mixing assembly inside the mixer 2, a table 1 at the bottom of the mixer 2, and a swinging assembly at the top of the table 1. The mixing assembly includes a rotating column 6, the outer wall of which is rotatably connected to the inner wall of the mixer 2. A motor 5 is fixedly connected to the top of the mixer 2, and the output end of the motor 5 is fixedly connected to one end of the rotating column 6. A fixing rod 7 is fixedly connected to the outer wall of the rotating column 6, and a scraper 8 is fixedly connected to the other end of the fixing rod 7. The scraper 8 is used to scrape off the plastic adhering to the inner wall of the mixer 2, thereby avoiding uneven mixing due to plastic adhesion and enhancing the uniformity of the material. The rotating column 6 has a fixed rod 9 fixedly connected to its outer wall, and a vertical stirring rod 10 fixedly connected to its outer wall. The vertical stirring rod 10 can stir the material in the barrel in the axial direction, effectively preventing the material from stratifying in the axial direction, so that the upper and lower parts of the material can be fully mixed and the mixing uniformity can be improved. The rotating column 6 has a stirring rod 11 fixedly connected to its outer wall, and the stirring rod 11 is evenly distributed on the outer wall of the rotating column 6. It can push the material to move in a circular motion in the barrel, further promoting the mixing of the material. The bottom of the outer wall of the rotating column 6 has an inclined plate 12 fixedly connected to it. The inclined plate 12 is installed at an angle and moves in a circular motion close to the bottom of the mixer 2. It can scrape up the material deposited at the bottom, prevent the material from accumulating at the bottom of the barrel, and effectively improve the mixing effect of the material at the bottom.
[0039] Reference Figure 1 , Figures 3-5The oscillating assembly includes a rotating column 27, the outer wall of which is set on the top of the tabletop 1. A fixing block 21 is fixedly connected to the top of the tabletop 1, providing a sliding track for the moving rod 20 to prevent wobbling during parallel movement. A bracket 13 is fixedly connected to the top of the tabletop 1 to support the mixer 2 and prevent wobbling during operation, thus improving safety. A support frame 30 is fixedly connected to the top of the tabletop 1, and a motor 29 is fixedly connected to the top of the support frame 30. The output end of the motor 29 is fixedly connected to one end of the rotating column 27. A fixing frame 28 is fixedly connected to the top of the tabletop 1 to provide support for the rotating column 27 and prevent wobbling during operation. The rotating column 27 wobbles during rotation, thus preventing the mixer 2 from failing to swing. The outer wall of the rotating column 27 is rotatably connected to the inner wall of the fixed frame 28. A connecting arm 26 is fixedly connected to the outer wall of the rotating column 27. A rotating rod 25 is fixedly connected to the inner wall of the connecting arm 26. A connecting arm 24 is rotatably connected to the outer wall of the rotating rod 25. The connecting arm 26 drives the rotating rod 25 in a circular motion, thereby driving the connecting arm 24 to move, achieving the effect of driving the moving rod 20 to move parallel. A rotating rod 23 is rotatably connected to the other end of the connecting arm 24. A connecting block 22 is fixedly connected to the outer wall of the rotating rod 23. The moving rod 20 is fixedly connected to the outer wall of the connecting block 22. The movement of connecting arm 24 drives the movement of rotating rod 23, thereby moving connecting block 22 and moving rod 20, achieving the effect of making mixer 2 swing. The outer wall of moving rod 20 is slidably connected to the inner wall of fixed block 21. The other end of moving rod 20 is rotatably connected to connecting block 19. The top of connecting block 19 is fixedly connected to fixed rod 28. Fixed rod 17 is slidably connected to the inner wall of fixed rod 28. Fixed rod 17 is slidably connected to the inner wall of fixed rod 28 to prevent fixed rod 17 and fixed rod 28 from jamming during swinging, thus preventing the swinging from being unable to proceed normally due to jamming. The other end of fixed rod 17 is fixedly connected to fixed ring 16. A rotating column 15 is fixedly connected, and its outer wall is rotatably connected to the inner wall of the support 13. The fixed ring 16 is rotated by the fixed rod 17, which in turn drives the rotating column 15 to rotate. This causes the mixer 2 to swing, preventing the material inside the mixer 2 from forming a mixing dead zone. The other end of the rotating column 15 is fixedly connected to the outer wall of the mixer 2. A rotating column 14 is fixedly connected to the outer wall of the mixer 2, and its outer wall is rotatably connected to the inner wall of another support 13. The rotating columns 14 and 15 are used to drive the mixer 2 to swing, thereby avoiding areas where the material flow is not smooth and a mixing dead zone is easily formed, which would lead to uneven mixing of the material.
[0040] Working principle: When mixing plastics, motor 5 is started first, which drives the rotating column 6 to rotate. Then, the rotation of the rotating column 6 drives the stirring rod 11 to rotate. Next, the rotation of the rotating column 6 drives the fixed rod 7 to rotate. Then, the rotation of the fixed rod 7 drives the scraper 8 to rotate. Immediately afterwards, the rotation of the rotating column 6 drives the fixed rod 9 to rotate. The rotation of the fixed rod 9 drives the vertical stirring rod 10 to rotate. Finally, the rotation of the rotating column 6 drives the inclined plate 12 to rotate, which prevents the material from accumulating at the bottom of the bucket under gravity and prevents the material from stratifying axially.
[0041] When mixer 2 is mixing, motor 29 is started first, which drives rotating column 27 to rotate. The rotation of rotating column 27 then drives connecting arm 26 to rotate, which in turn drives rotating rod 25 to rotate. Rotating rod 25 then moves connecting arm 24, which in turn moves rotating rod 23. The movement of rotating rod 23 moves connecting block 22, which in turn moves moving rod 20. Finally, the movement of moving rod 20 moves connecting block 19. The mixer 2 moves by moving the connecting block 19, which in turn moves the fixed rod 18. The fixed rod 18 then moves the fixed rod 17. The fixed rod 17 is slidably connected to the inner wall of the fixed rod 18 to prevent jamming during the swinging process, which would prevent the mixer 2 from swinging normally. The fixed rod 17 then moves the fixed ring 16 to rotate, which in turn moves the rotating column 15. The rotating column 15 then moves the mixer 2 to swing, thus avoiding the areas where material flow is obstructed in traditional fixed mixing tanks, which can easily form mixing dead zones and lead to uneven mixing of materials.
[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A mixer for plastic processing, comprising a mixer (2), characterized in that: The mixer (2) is provided with a feed inlet (3) at the top and a discharge outlet (4) at the bottom. The mixer (2) is provided with a mixing component inside and a table (1) at the bottom. The table (1) is provided with a swing component at the top. The stirring assembly includes a rotating column (6), the outer wall of which is rotatably connected to the inner wall of the mixer (2). A motor (5) is fixedly connected to the top of the mixer (2), the output end of which is fixedly connected to one end of the rotating column (6). A fixing rod (7) is fixedly connected to the outer wall of the rotating column (6), and a scraper (8) is fixedly connected to the other end of the fixing rod (7). A fixing rod (9) is fixedly connected to the outer wall of the rotating column (6), and a vertical stirring rod (10) is fixedly connected to the outer wall of the fixing rod (9). A stirring rod (11) is fixedly connected to the outer wall of the rotating column (6), and an inclined plate (12) is fixedly connected to the bottom of the outer wall of the rotating column (6).
2. The mixer for plastic processing according to claim 1, characterized in that: The swing assembly includes a rotating column three (27), the outer wall of which is disposed on the top of the table (1), a fixing block (21) is fixedly connected to the top of the table (1), and a bracket (13) is fixedly connected to the top of the table (1).
3. A mixer for plastic processing according to claim 2, characterized in that: The top of the platform (1) is fixedly connected to a support frame (30), and the top of the support frame (30) is fixedly connected to a motor (29). The output end of the motor (29) is fixedly connected to one end of the rotating column (27).
4. A mixer for plastic processing according to claim 3, characterized in that: The top of the tabletop (1) is fixedly connected to a fixed frame (28), the outer wall of the rotating column three (27) is rotatably connected to the inner wall of the fixed frame (28), and the outer wall of the rotating column three (27) is fixedly connected to a connecting arm two (26).
5. A mixer for plastic processing according to claim 4, characterized in that: The inner wall of the second connecting arm (26) is fixedly connected to the second rotating rod (25), the outer wall of the second rotating rod (25) is rotatably connected to the first connecting arm (24), and the other end of the first connecting arm (24) is rotatably connected to the first rotating rod (23).
6. A mixer for plastic processing according to claim 5, characterized in that: The outer wall of the rotating rod (23) is fixedly connected to the connecting block (22), and the outer wall of the connecting block (22) is fixedly connected to the moving rod (20).
7. A mixer for plastic processing according to claim 6, characterized in that: The outer wall of the movable rod (20) is slidably connected to the inner wall of the fixed block (21), and the other end of the movable rod (20) is rotatably connected to a connecting block (19).
8. A mixer for plastic processing according to claim 7, characterized in that: The top of the connecting block 1 (19) is fixedly connected to the fixing rod 2 (18), the inner wall of the fixing rod 2 (18) is slidably connected to the fixing rod 1 (17), and the other end of the fixing rod 1 (17) is fixedly connected to the fixing ring (16).
9. A mixer for plastic processing according to claim 8, characterized in that: The inner wall of the fixed ring (16) is fixedly connected to the rotating column two (15), and the outer wall of the rotating column two (15) is rotatably connected to the inner wall of the bracket (13).
10. A mixer for plastic processing according to claim 9, characterized in that: The other end of the second rotating column (15) is fixedly connected to the outer wall of the mixer (2), and the outer wall of the mixer (2) is fixedly connected to the first rotating column (14), and the outer wall of the first rotating column (14) is rotatably connected to the inner wall of another bracket (13).