Plastic particle stirring device
Through the multi-stage mixing mechanism and fan design, the problems of agglomeration and overheating in the plastic particle agitation device are solved, more uniform mixing and lower energy consumption are achieved, and the performance of plastic particles is stable.
Patent Information
- Application Number
- CN202422143359.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-09-02
AI Technical Summary
The existing plastic particle agitation devices are prone to cause plastic particles to agglomerate and overheat, affecting the mixing uniformity and product performance.
A multi-stage stirring mechanism is adopted, including a first stirring mechanism, a second stirring mechanism and a third stirring mechanism. Driven by a servo motor, multiple stirrings are achieved step by step, and heat is discharged in combination with the fan to avoid unnecessary excessive stirring and temperature increase.
It improves the mixing uniformity of plastic particles, reduces agglomeration, avoids particle damage and performance degradation, reduces energy consumption, and ensures stable performance of plastic particles.
Smart Images
Figure CN223266019U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stirring devices, in particular to a plastic particle stirring device. Background Art
[0002] A plastic pellet stirring device is a device used to mix, evenly disperse and convey plastic pellets. This device is commonly used in the plastic processing industry. During the production processes of injection molding, extrusion, blow molding, etc., it is used to evenly mix different types of plastic pellets, masterbatches, additives, etc. to ensure the quality and performance consistency of the final product. Existing plastic pellet stirring devices generally include a hopper, a stirring shaft and blades, a motor and transmission mechanism, a temperature control system, a control system, and a discharge port. The plastic pellets are stirred by the rotating stirring blades to fully mix different types of plastic pellets and additives and ensure the uniform distribution of each component; for heat-sensitive particles or particles that require preheating, the temperature control system of the stirring device can ensure that the materials are mixed at an appropriate temperature to prevent overheating or insufficient temperature; the stirring device is usually also used in conjunction with an automatic metering system to ensure that the materials are stirred accurately each time, and at the same time, the mixed particles are stably conveyed to subsequent processing equipment.
[0003] Existing plastic pellet mixing devices typically use a single-pass mixing method to complete the mixing of plastic pellets, adjusting the stirring speed and duration to achieve the required material uniformity. However, this mixing method can easily cause plastic pellets to agglomerate and overheat, affecting the mixing uniformity and product performance. Utility Model Content
[0004] Based on this, it is necessary to provide a plastic particle stirring device to address the technical problem that existing plastic particle stirring devices easily cause plastic particle agglomeration and overheating.
[0005] A plastic particle stirring device comprises a frame, a first stirring mechanism, a second stirring mechanism and a third stirring mechanism, wherein the first stirring mechanism, the second stirring mechanism and the third stirring mechanism are all mounted on the frame, wherein the first stirring mechanism is arranged on the top of the frame; the second stirring mechanism is arranged on the bottom side of the first stirring mechanism, and the feeding end of the second stirring mechanism is connected to the discharging end of the first stirring mechanism; the third stirring mechanism is arranged on the bottom side of the second stirring mechanism, and the feeding end of the third stirring mechanism is connected to the discharging end of the second stirring mechanism.
[0006] The plastic particle stirring device further comprises a driving unit, which is arranged on the frame and drives the first stirring mechanism, the second stirring mechanism and the third stirring mechanism respectively.
[0007] In one embodiment, the driving unit is configured as a servo motor, and the output shaft of the servo motor is respectively driven and connected to the first stirring mechanism, the second stirring mechanism, and the third stirring mechanism through a transmission belt.
[0008] In one embodiment, the first stirring mechanism includes a box body and a stirrer. The box body is installed on the top of the frame, and the stirrer is arranged inside the box body. In addition, the rotating shaft of the stirrer extends to the outside of the box body and is connected to the output end of the drive unit.
[0009] In one embodiment, the above-mentioned box body is provided with a first feed port and a first discharge pipe, the first feed port is provided on the top side wall of the box body; the first discharge pipe is provided at the bottom of the box body, and one end of the first discharge pipe is connected to the interior of the box body, and the other end of the first discharge pipe is connected to the input end of the second stirring mechanism.
[0010] In one embodiment, the above-mentioned second stirring mechanism includes a first conveying pipe and a first screw. The first conveying pipe is arranged on the bottom side of the box body, and the first screw is arranged inside the first conveying pipe. In addition, the rotating shaft of the first screw extends to the outside of the first conveying pipe and is connected to the output end of the drive unit.
[0011] In one embodiment, the above-mentioned first conveying pipe is provided with a second feed port and a second discharge pipe, the second feed port is provided at one end of the first conveying pipe close to the first discharge pipe, and the second feed port is connected to the first discharge pipe; the second discharge pipe is provided at the bottom of the other end of the first conveying pipe relative to the second feed port, and one end of the second discharge pipe is connected to the interior of the first conveying pipe, and the other end of the second discharge pipe is connected to the input end of the third stirring mechanism.
[0012] In one embodiment, the above-mentioned third stirring mechanism includes a second conveying pipe and a second screw, the second conveying pipe is arranged on the bottom side of the first conveying pipe, the second screw is cooperatively arranged inside the second conveying pipe, and the rotating shaft of the second screw extends to the outside of the second conveying pipe and is connected to the output end of the drive unit.
[0013] In one embodiment, the above-mentioned second conveying pipe is provided with a third feed port and a discharge port, the third feed port is provided at one end of the second conveying pipe close to the second discharge pipe, and the third feed port is connected to the second discharge pipe; the discharge port is provided at the other end of the second conveying pipe relative to the third feed port.
[0014] In one embodiment, the first stirring mechanism further includes a fan, which is disposed at the other end of the top wall of the box relative to the first feed inlet, and an input end of the fan is connected to the interior of the box.
[0015] In one embodiment, an air guide plate is provided at the output end of the fan, and an opening end of the air guide plate is arranged toward the top side and extends a preset distance.
[0016] After the above-mentioned plastic particle stirring device performs preliminary stirring of the plastic particles through the first stirring mechanism, it can sequentially perform secondary and tertiary stirring through the second stirring mechanism and the third stirring mechanism. The multiple stirrings can further improve the mixing uniformity between different plastic particles. Compared with the traditional one-time stirring, the staged stirring of multiple steps can effectively reduce the problem of material particle agglomeration. Especially for plastic particles with different densities or particle sizes, the step-by-step stirring can help to disaggregate the agglomerates and make the mixture more uniform. Secondly, the step-by-step stirring can control the stirring speed according to the mixing conditions inside each stirring mechanism, avoid unnecessary excessive stirring that causes particle damage or performance degradation, reduce energy consumption, and avoid one-time long-term stirring that causes the temperature of the plastic particles to rise and affect the performance of the plastic particles. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 Schematic diagram of the structure of a plastic particle stirring device in one embodiment;
[0018] Figure 2 Schematic diagram of the partial explosion structure of a plastic particle stirring device in one embodiment. DETAILED DESCRIPTION
[0019] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.
[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0022] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0023] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.
[0025] See also Figures 1 to 2The utility model discloses a plastic particle stirring device, which includes a frame 100, a first stirring mechanism 200, a second stirring mechanism 300 and a third stirring mechanism 400. The first stirring mechanism 200, the second stirring mechanism 300 and the third stirring mechanism 400 are all installed on the frame 100, wherein the first stirring mechanism 200 is arranged on the top of the frame 100; the second stirring mechanism 300 is arranged on the bottom side of the first stirring mechanism 200, and the feeding end of the second stirring mechanism 300 is connected to the discharging end of the first stirring mechanism 200; the third stirring mechanism 400 is arranged on the bottom side of the second stirring mechanism 300, and the feeding end of the third stirring mechanism 400 is connected to the discharging end of the second stirring mechanism 300, so that the plastic particle stirring device After the initial stirring by the first stirring mechanism 200, the second stirring mechanism 300 and the third stirring mechanism 400 can be sequentially used for secondary and tertiary stirring. The multiple stirrings can further improve the mixing uniformity between different plastic particles. Compared with the traditional single stirring, the staged stirring of multiple steps can effectively reduce the problem of material particle agglomeration. Especially for plastic particles with different densities or particle sizes, the step-by-step stirring can help to break up the agglomerates and make the mixture more uniform. Secondly, the step-by-step stirring can control the stirring speed according to the mixing conditions inside each stirring mechanism, avoid unnecessary excessive stirring that causes particle damage or performance degradation, reduce energy consumption, and avoid one-time long-term stirring that causes the temperature of the plastic particles to rise and affect the performance of the plastic particles.
[0026] Furthermore, the plastic particle stirring device also includes a drive unit 500, which is disposed on the frame 100 and is respectively driven by the first stirring mechanism 200, the second stirring mechanism 300, and the third stirring mechanism 400, so that the drive unit 500 can simultaneously drive the first stirring mechanism 200, the second stirring mechanism 300, and the third stirring mechanism 400 to perform synchronous stirring. In one embodiment, the drive unit 500 is configured as a servo motor, and the output shaft of the servo motor is respectively driven by the first stirring mechanism 200, the second stirring mechanism 300, and the third stirring mechanism 400 via a transmission belt.
[0027] Furthermore, the first stirring mechanism 200 includes a box body 210 and a stirrer 220. The box body 210 is installed on the top of the frame 100, and the stirrer 220 is arranged inside the box body 210. In addition, the rotating shaft of the stirrer 220 extends to the outside of the box body 210 and is connected to the output end of the drive unit 500, so that the drive unit 500 can drive the stirrer 220 to stir relative to the box body 210. Specifically, the box body 210 is provided with a first feed port a and a first discharge pipe 211. The first feed port a is provided on the top side wall of the box body 210, so that the plastic particles can be fed into the interior of the box body 210 through the first feed port a for a one-side stirring process; the first discharge pipe 211 is provided at the bottom of the box body 210, and one end of the first discharge pipe 211 is connected to the interior of the box body 210, and the other end of the first discharge pipe 211 is connected to the input end of the second stirring mechanism 300, so that the plastic particles are transported to the second stirring mechanism 300 through the first discharge pipe 211 after the first stirring process for a secondary stirring process.
[0028] Furthermore, the second stirring mechanism 300 includes a first conveying pipe 310 and a first screw 320. The first conveying pipe 310 is arranged on the bottom side of the box body 210, and the first screw 320 is cooperatively arranged inside the first conveying pipe 310. In addition, the rotating shaft of the first screw 320 extends to the outside of the first conveying pipe 310 and is connected to the output end of the driving unit 500, so that the driving unit 500 can drive the first screw 320 to stir and convey relative to the first conveying pipe 310. Specifically, the first conveying pipe 310 is provided with a second feed port b and a second discharge pipe 311. The second feed port b is provided at one end of the first conveying pipe 310 close to the first discharge pipe 211, and the second feed port b is connected to the first discharge pipe 211, so that the plastic particles after the first stirring can be input into the first conveying pipe 310 through the second feed port b for a secondary stirring process; the second discharge pipe 311 is provided at the bottom of the other end of the first conveying pipe 310 relative to the second feed port b, and one end of the second discharge pipe 311 is connected to the inside of the first conveying pipe 310, and the other end of the second discharge pipe 311 is connected to the input end of the third stirring mechanism 400, so that after the secondary stirring process, the plastic particles are conveyed to the third stirring mechanism 400 through the second discharge pipe 311 for a tertiary stirring process.
[0029] Furthermore, the third stirring mechanism 400 includes a second conveying pipe 410 and a second screw 420. The second conveying pipe 410 is arranged on the bottom side of the first conveying pipe 310, and the second screw 420 is cooperatively arranged inside the second conveying pipe 410. In addition, the rotating shaft of the second screw 420 extends to the outside of the second conveying pipe 410 and is connected to the output end of the driving unit 500, so that the driving unit 500 can drive the second screw 420 to stir and convey relative to the second conveying pipe 410. Specifically, the second conveying pipe 410 is provided with a third feed port c and a discharge port d. The third feed port c is provided at one end of the second conveying pipe 410 close to the second discharge pipe 311, and the third feed port c is connected to the second discharge pipe 311, so that the plastic particles after the second stirring can be input into the second conveying pipe 410 through the third feed port c for the third stirring process; the discharge port d is provided at the other end of the second conveying pipe 410 relative to the third feed port c, so that the plastic particles after the third stirring can be discharged through the discharge port d, thereby completing the stirring and mixing process of the plastic particles.
[0030] Furthermore, the first stirring mechanism 200 also includes a fan 230, which is arranged at the other end of the top wall of the box body 210 relative to the first feed inlet a, and the input end of the fan 230 is connected to the interior of the box body 210. Therefore, when the first stirring mechanism 200 is in operation, the fan 230 can discharge the water vapor and heat generated during the stirring process of the plastic particles inside the box body 210 to the outside of the box body 210, thereby ensuring the dryness of the surface of the plastic particles and preventing heat accumulation inside the box body 210 from affecting the performance of the plastic particles. Specifically, an air guide plate 240 is provided at the output end of the fan 230. The open end of the air guide plate 240 is arranged toward the top side and extends a preset distance. Therefore, the airflow output by the fan 230 can be guided to the top side of the box body 210 through the air guide plate 240, thereby preventing the derived airflow from directly re-entering the interior of the box body 210 through the first feed inlet a.
[0031] To sum up, the plastic particle stirring device disclosed by the present invention can perform secondary and tertiary stirring on the plastic particles through the first stirring mechanism, and the third stirring mechanism in sequence. The multiple stirrings can further improve the mixing uniformity between different plastic particles. Compared with the traditional one-time stirring, the staged stirring of multiple times can effectively reduce the problem of material particle agglomeration. Especially for plastic particles with different densities or particle sizes, the step-by-step stirring can help to disaggregate the particles and make the mixture more uniform. Secondly, the step-by-step stirring can control the stirring speed according to the mixing conditions inside each stirring mechanism, avoid unnecessary excessive stirring that causes particle damage or performance degradation, reduce energy consumption, and avoid one-time long-term stirring that causes the temperature of the plastic particles to rise and affect the performance of the plastic particles.
[0032] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0033] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.
Claims
1. A plastic particle stirring device, characterized in that: include: A frame, a first stirring mechanism, a second stirring mechanism and a third stirring mechanism, wherein the first stirring mechanism, the second stirring mechanism and the third stirring mechanism are all installed on the frame, wherein the first stirring mechanism is arranged on the top of the frame; the second stirring mechanism is arranged on the bottom side of the first stirring mechanism, and the feeding end of the second stirring mechanism is connected to the discharging end of the first stirring mechanism; the third stirring mechanism is arranged on the bottom side of the second stirring mechanism, and the feeding end of the third stirring mechanism is connected to the discharging end of the second stirring mechanism; The plastic particle stirring device further includes a driving unit, which is arranged on the frame and drives the first stirring mechanism, the second stirring mechanism and the third stirring mechanism respectively; The first stirring mechanism includes a box body and a stirrer, wherein the box body is mounted on the top of the frame, and the stirrer is arranged inside the box body, and the rotating shaft of the stirrer extends to the outside of the box body and is connected to the output end of the driving unit; The second stirring mechanism includes a first conveying pipe and a first screw, wherein the first conveying pipe is arranged at the bottom side of the box body, and the first screw is arranged in the interior of the first conveying pipe, and the rotating shaft of the first screw extends to the outside of the first conveying pipe and is connected to the output end of the driving unit; The third stirring mechanism includes a second conveying pipe and a second screw. The second conveying pipe is arranged on the bottom side of the first conveying pipe. The second screw is arranged inside the second conveying pipe. In addition, the rotating shaft of the second screw extends to the outside of the second conveying pipe and is connected to the output end of the drive unit.
2. The plastic particle stirring device according to claim 1, characterized in that: The driving unit is configured as a servo motor, and the output shaft of the servo motor is driven and connected to the first stirring mechanism, the second stirring mechanism and the third stirring mechanism through a transmission belt.
3. The plastic particle stirring device according to claim 2, characterized in that: The box body is provided with a first feed port and a first discharge pipe. The first feed port is provided on the top side wall of the box body; the first discharge pipe is provided at the bottom of the box body, and one end of the first discharge pipe is connected to the interior of the box body, and the other end of the first discharge pipe is connected to the input end of the second stirring mechanism.
4. The plastic particle stirring device according to claim 3, characterized in that: The first conveying pipe is provided with a second feed port and a second discharge pipe. The second feed port is provided at one end of the first conveying pipe close to the first discharge pipe, and the second feed port is connected to the first discharge pipe; the second discharge pipe is provided at the bottom of the other end of the first conveying pipe relative to the second feed port, and one end of the second discharge pipe is connected to the interior of the first conveying pipe, and the other end of the second discharge pipe is connected to the input end of the third stirring mechanism.
5. The plastic particle stirring device according to claim 4, characterized in that: The second conveying pipeline is provided with a third feed port and a discharge port. The third feed port is provided at one end of the second conveying pipeline close to the second discharge pipeline, and the third feed port is connected to the second discharge pipeline; the discharge port is provided at the other end of the second conveying pipeline relative to the third feed port.
6. The plastic particle stirring device according to claim 5, characterized in that: The first stirring mechanism further includes a fan, which is arranged at the other end of the top wall of the box body relative to the first feed inlet, and the input end of the fan is connected to the interior of the box body.
7. The plastic particle stirring device according to claim 6, characterized in that: An air guide plate is provided at the output end of the fan, and an opening end of the air guide plate is arranged toward the top side and extends a preset distance.