Processing and mixing device for plastic product raw material particles
The multi-axis stirring and heating device solves the problems of low mixing efficiency and agglomeration of plastic particles, achieves uniform mixing and rapid drying, and improves production efficiency.
Patent Information
- Application Number
- CN202422307813.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-09-20
AI Technical Summary
Existing plastic product raw material granule processing and mixing devices have low mixing efficiency, are prone to dead corners, and moisture agglomerates inside the plastic granules, making melting and molding difficult and reducing production efficiency.
It adopts a multi-axis stirring structure and heating device, including a first rotating shaft, a second rotating shaft, a cylindrical tube and a stirring blade. Through horizontal stirring and blowing hot air, it ensures uniform mixing and evaporation of water. Combined with the vertical stirring of the stirring rod, it achieves all-round stirring and heating to prevent agglomeration.
It improves mixing efficiency, reduces mixing time, ensures uniform mixing and drying of plastic particles, promotes melting and molding, speeds up the production process, and improves production efficiency.
Smart Images
Figure CN223383725U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic product raw material production, in particular to a processing and mixing device for plastic product raw material particles. Background Art
[0002] Plastic pellets, also known as plastic granules, refer to the granular material used to manufacture various plastic products. They are a fundamental raw material in the plastics processing industry and are widely used in a variety of fields, including packaging, construction, automotive, and electronics. During the production of plastic products, the raw material granules need to be mixed, necessitating a mixing device for processing and mixing plastic raw material granules.
[0003] Existing processing and mixing devices for plastic product raw material particles usually stir and mix the plastic particles in one direction during stirring, resulting in low mixing efficiency and prone to mixing dead corners. During the mixing process, the moisture inside the plastic particles will cause them to clump during stirring, making it difficult for the plastic particles to melt and form during processing, increasing mixing time and reducing production efficiency.
[0004] Therefore, it is necessary to propose a processing and mixing device for plastic product raw material particles to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a processing and mixing device for raw material particles of plastic products, so as to solve the problems that the plastic particles are stirred and mixed in one direction, the mixing efficiency is low, and dead corners are easily generated. The moisture inside the plastic particles causes them to agglomerate during the stirring process, making it difficult for the plastic particles to melt and form, thereby increasing the mixing time and reducing the production efficiency.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a processing and mixing device for raw material particles of plastic products, comprising a mixing barrel, a mixing chamber is provided inside the mixing barrel, a first rotating shaft is rotatably provided in the middle of the mixing chamber, the first rotating shaft is a hollow structure, the outer surface of the first rotating shaft is symmetrically connected to a plurality of second rotating shafts, the second rotating shaft is a hollow rod with an opening on one side close to the first rotating shaft, the outer surface of the second rotating shaft is symmetrically fixed and connected to a plurality of cylindrical tubes, stirring blades are fixedly connected to the two sides of the outer periphery of the cylindrical tube, and a plurality of air outlet holes are evenly opened on the other two sides of the outer periphery of the cylindrical tube;
[0007] An air inlet pipe is fixed to and connected to the bottom of the mixing barrel. The air inlet pipe is connected to the first rotating shaft, and the top end of the air inlet pipe is rotatably connected to the bottom of the first rotating shaft.
[0008] Preferably, a stirring rod is fixedly connected to the bottom of the first rotating shaft, and the stirring rod is in the shape of a letter U. The inner wall of the stirring rod is rotatably connected to the end of the second rotating shaft.
[0009] Preferably, a fixed rod is fixedly connected to the middle of the top surface of the mixing chamber, and the fixed rod is rotatably connected to the first rotating shaft. The fixed rod located inside the first rotating shaft is fixedly connected to two first crown gears, and the first crown gears are meshedly connected to two second crown gears, and the second crown gears are fixedly sleeved on the outer surface of the end of the second rotating shaft.
[0010] Preferably, a motor is fixedly connected to the top surface of the mixing barrel, a first gear is fixedly connected to the motor shaft, the first gear is meshed with the second gear, the second gear is fixedly sleeved on the top of the first rotating shaft, a square cavity is opened on the top of the mixing barrel, and the first gear and the second gear are both located inside the square cavity.
[0011] Preferably, the top and bottom of the mixing barrel are respectively fixed with a feed pipe and a discharge pipe and are connected thereto.
[0012] The technical effects and advantages of this utility model are:
[0013] 1. In the present invention, the second rotating shaft, cylindrical tube and stirring blade stir the material horizontally, and the stirring rod can stir the plastic particles vertically, so as to achieve stirring of the plastic particles in different directions, making the mixing more uniform and achieving a good mixing effect;
[0014] 2. While stirring and mixing, the air outlet on the cylindrical tube blows out hot air to heat the mixed plastic product raw material particles. The hot air blowing in can further stir the plastic product raw material particles, reduce the mixing dead angle, and promote the plastic particles to be mixed more evenly;
[0015] 3. When hot air is blown in, it can effectively evaporate the moisture in the plastic particles, prevent the plastic particles from sticking together, and make them reach a dry state. The dry plastic particles can be better melted and formed during the processing, accelerate the mixing process of the plastic particles, reduce the time required for mixing, and improve production efficiency;
[0016] 4. When additives need to be added, the first rotating shaft heats the middle of the mixing chamber. Through the coordination of components, the second rotating shaft, cylindrical tube and air outlet heat other positions of the mixing chamber during the rotation process. The heating is uniform, which increases the reaction rate of the additives and accelerates the reaction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of a processing and mixing device for raw material particles of plastic products according to the present invention.
[0018] Figure 2This is a cross-sectional schematic diagram of a processing and mixing device for raw material particles of plastic products according to the present invention.
[0019] Figure 3 For this utility model Figure 2 Enlarged schematic diagram of point A in the middle.
[0020] In the figure: 1, mixing barrel; 11, mixing chamber; 12, feed pipe; 13, discharge pipe;
[0021] 2. First rotating shaft; 21. Second rotating shaft; 22. Cylindrical tube; 23. Stirring blade; 24. Air outlet; 25. Stirring rod;
[0022] 3. Intake pipe;
[0023] 4. Motor; 41. First gear; 42. Second gear; 43. Fixed rod; 44. Square cavity; 45. First crown gear; 46. Second crown gear. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] The utility model solves the problem that when plastic particles are stirred and mixed in one direction, the mixing efficiency is low, dead corners are easily formed, and the moisture inside the plastic particles causes them to agglomerate during the stirring process, which makes it difficult for the plastic particles to melt and form, increases the mixing time, and reduces the production efficiency. Figure 1-Figure 3The processing and mixing device for plastic product raw material particles shown in the figure includes a mixing barrel 1, a mixing chamber 11 is opened inside the mixing barrel 1, a first rotating shaft 2 is rotatably arranged in the middle of the mixing chamber 11, the first rotating shaft 2 is a hollow structure, the outer surface of the first rotating shaft 2 is symmetrically connected to a plurality of second rotating shafts 21, the second rotating shaft 21 is a hollow rod with an opening on one side close to the first rotating shaft 2, the outer surface of the second rotating shaft 21 is symmetrically fixed and connected to a plurality of cylindrical tubes 22, the outer sides of the cylindrical tubes 22 are fixedly connected with stirring blades 23, and the other two sides of the outer periphery of the cylindrical tubes 22 are evenly provided with a plurality of air outlet holes 24; when it is necessary to mix the raw material particles of plastic products, the first rotating shaft 2 is rotated, and the rotation of the first rotating shaft 2 drives the second rotating shaft 21 thereon to rotate, and the rotation of the second rotating shaft 21 drives the cylindrical tubes 22 and the stirring blades 23 to rotate, and the cylindrical tubes 22 and the stirring blades 23 stir the materials horizontally, and the stirring effect The high efficiency improves the mixing efficiency. While stirring and mixing, the air outlet 24 on the cylindrical tube 22 blows out hot air to heat the mixed plastic product raw material particles. The blowing of hot air can further stir the plastic product raw material particles, reduce mixing dead angles, and promote the plastic particles to be mixed more evenly. When the hot air is blown in, the moisture in the plastic particles can be effectively evaporated to prevent the plastic particles from sticking to each other and making them reach a dry state. The dry plastic particles can be better melted and formed during the processing, which accelerates the mixing process of the plastic particles, reduces the time required for mixing, and improves production efficiency. When additives need to be added, the first rotating shaft 2 heats the middle of the mixing chamber 11. Through the cooperation of the components, the second rotating shaft 21, the cylindrical tube 22 and the air outlet 24 heat other positions of the mixing chamber 11 during the rotation process, and the heating is uniform, which improves the reaction rate of the additives and accelerates the reaction efficiency.
[0026] It should be noted that a filter is installed on the air outlet 24 to prevent plastic particles from entering the cylindrical tube 22, ensuring the normal operation of the device. A temperature detection device is installed inside the mixing chamber 11 (this technology is a mature technology in the existing technology and is not shown in the figure), which can monitor the temperature inside the mixing chamber 11 in real time, making it convenient for the staff to adjust the temperature of the hot air according to the temperature of the mixing chamber 11.
[0027] In the utility model, a motor 4 is fixedly connected to the top surface of the mixing barrel 1, a first gear 41 is fixedly connected to the rotating shaft of the motor 4, the first gear 41 is meshed with the second gear 42, the second gear 42 is fixedly sleeved on the top of the first rotating shaft 2, a square cavity 44 is opened on the top of the mixing barrel 1, the first gear 41 and the second gear 42 are both located inside the square cavity 44; when the motor 4 is turned on, the rotation of the motor 4 drives the first gear 41 to rotate, the rotation of the first gear 41 drives the second gear 42 to rotate, and the rotation of the second gear 42 drives the first rotating shaft 2 to rotate, thereby realizing the normal operation of the device.
[0028] It should be noted that a fixed rod 43 is fixedly connected to the middle of the top surface of the mixing chamber 11, and the fixed rod 43 is rotatably connected to the first rotating shaft 2. The fixed rod 43 located inside the first rotating shaft 2 is fixedly connected to two first crown gears 45, and the first crown gear 45 is meshed with two second crown gears 46. The second crown gear 46 is fixedly sleeved on the outer surface of the end of the second rotating shaft 21; when the first rotating shaft 2 rotates, the first rotating shaft 2 drives the second rotating shaft 21 thereon to rotate, and the rotation of the second rotating shaft 21 drives the second crown gear 46 to rotate around the first crown gear 45. The cooperation between the fixed rod 43 and the first crown gear 45 enables the second crown gear 46 to rotate while orbiting.
[0029] It should also be noted that a stirring rod 25 is fixedly connected to the bottom of the first rotating shaft 2, and the stirring rod 25 is in the shape of the letter U. The inner wall of the stirring rod 25 is rotatably connected to the end of the second rotating shaft 21; the stirring rod 25 can vertically stir the plastic particles, and cooperate with the second rotating shaft 21, the cylindrical tube 22 and the stirring blade 23 to achieve stirring of the plastic particles in different directions, making the mixing more uniform and the mixing effect better. The shape and structure of the stirring rod 25 are simple, easy to clean, suitable for different types of materials, and have good applicability.
[0030] Furthermore, an air inlet pipe 3 is fixed and connected to the bottom of the mixing barrel 1. The air inlet pipe 3 is connected to the first rotating shaft 2, and the top of the air inlet pipe 3 is rotatably connected to the bottom of the first rotating shaft 2; hot air is blown into the first rotating shaft 2 through the air inlet pipe 3, and is transported to the second rotating shaft 21 by the first rotating shaft 2. A sealing structure is installed between the first rotating shaft 2 and the air inlet pipe 3 to ensure that air does not escape from the interface when the first rotating shaft 2 rotates.
[0031] In the present invention, a feed pipe 12 and a discharge pipe 13 are fixed to the top and bottom of the mixing barrel 1 and are connected thereto; plastic particles are added from the feed pipe 12, and the mixed plastic particles are discharged from the discharge pipe 13. Manual valves for control are installed on both the feed pipe 12 and the discharge pipe 13.
[0032] It should be noted that a pipe for exhaust is also installed on the top of the mixing barrel 1 to ensure the stability of the air pressure inside the mixing chamber 11.
Claims
1. A processing and mixing device for raw material particles of plastic products, comprising a mixing barrel (1), characterized in that: A mixing chamber (11) is provided inside the mixing barrel (1), and a first rotating shaft (2) is rotatably provided in the middle of the mixing chamber (11). The first rotating shaft (2) is a hollow structure, and the outer surface of the first rotating shaft (2) is symmetrically connected to a plurality of second rotating shafts (21). The second rotating shaft (21) is a hollow rod with an opening on one side close to the first rotating shaft (2). The outer surface of the second rotating shaft (21) is symmetrically fixed and connected to a plurality of cylindrical tubes (22). Stirring blades (23) are fixedly connected to the outer sides of the cylindrical tubes (22), and a plurality of air outlet holes (24) are evenly opened on the other two sides of the outer periphery of the cylindrical tubes (22). An air inlet pipe (3) is fixed to and connected to the bottom of the mixing barrel (1); the air inlet pipe (3) is connected to the first rotating shaft (2); and the top end of the air inlet pipe (3) is rotatably connected to the bottom of the first rotating shaft (2).
2. A processing and mixing device for plastic product raw material particles according to claim 1, characterized in that: A stirring rod (25) is fixedly connected to the bottom of the first rotating shaft (2), and the stirring rod (25) is in the shape of a letter U. The inner wall of the stirring rod (25) is rotatably connected to the end of the second rotating shaft (21).
3. The processing and mixing device for plastic product raw material particles according to claim 1, characterized in that: A fixing rod (43) is fixedly connected to the middle of the top surface of the mixing chamber (11), and the fixing rod (43) is rotatably connected to the first rotating shaft (2). The fixing rod (43) located inside the first rotating shaft (2) is fixedly connected to two first crown gears (45), and the first crown gears (45) are meshedly connected to two second crown gears (46). The second crown gears (46) are fixedly sleeved on the outer surface of the end of the second rotating shaft (21).
4. The processing and mixing device for plastic product raw material particles according to claim 3, characterized in that: The top surface of the mixing barrel (1) is fixedly connected to a motor (4), a first gear (41) is fixedly connected to the rotating shaft of the motor (4), the first gear (41) is meshedly connected to a second gear (42), the second gear (42) is fixedly sleeved on the top of the first rotating shaft (2), a square cavity (44) is opened on the top of the mixing barrel (1), and the first gear (41) and the second gear (42) are both located inside the square cavity (44).
5. The processing and mixing device for plastic product raw material particles according to claim 1, characterized in that: The top and bottom of the mixing barrel (1) are respectively fixed and connected with a feed pipe (12) and a discharge pipe (13).