Biodegradable plastic mixing device

Abstract

The utility model provides a biodegradable plastic mixing device which comprises a mixing barrel, supporting columns are evenly and fixedly connected to the bottom end face of the mixing barrel, a feeding port is formed in the front side of the top end face of the mixing barrel, a liquid inlet is formed in the right side of the top end face of the mixing barrel, and a mixing device is arranged in an inner cavity of the mixing barrel. A lifting device is arranged on the left side of the outer wall of the mixing barrel, the upper end and the lower end of the lifting device communicate with the mixing barrel, the device is simple in structure and convenient to operate, the mixing efficiency is effectively improved, and the production efficiency is improved.

Description

Technical Field

[0001] The present disclosure specifically discloses the technical field of degradable plastics, and in particular relates to a biodegradable plastic mixing device. Background Art

[0002] Degradable plastics refer to a type of plastic whose products have various properties that can meet the use requirements, and whose properties remain unchanged during the shelf life, and which can be degraded into environmentally harmless substances under natural environmental conditions after use. Therefore, they are also called environmentally degradable plastics;

[0003] According to application number 202220632412.7, a biodegradable plastic mixing device is disclosed, wherein a mixing cylinder is provided with a stirring shaft inside, and a plurality of stirring blades are provided on the stirring shaft, the mixing cylinder is divided into an inner cylinder and an outer cylinder, an oil guide cavity is provided between the inner cylinder and the outer cylinder, and a vibrator is provided at the bottom of the inner cylinder; both ends of the stirring shaft are connected to the base bracket through a bearing seat, and both ends of the stirring shaft pass through the inner cylinder and the outer cylinder, a first pulley is provided at one end of the stirring shaft, a partition is provided at the base bracket, a motor is installed at the bottom of the partition, a second pulley is connected to the output end of the motor, and the first pulley and the second pulley are connected by a belt; a circulating static box is also provided at the bottom of the partition, the circulating static box is connected to the oil guide cavity, and the oil guide cavity is respectively connected to the hot oil storage tank and the cold oil storage tank through a circulating pipeline to form an oil circulation;

[0004] The existing plastic mixing device can only mix the plastic particles by stirring and vibrating, and cannot fully mix the coupling agent with the plastic particles, resulting in the efficiency of plastic production. It is also unable to mix the raw materials at the bottom of the mixing barrel to effectively avoid the problem of accumulation. Therefore, we propose a biodegradable plastic mixing device. Summary of the invention

[0005] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a structure with sufficient mixing and no accumulation.

[0006] A biodegradable plastic mixing device comprises a mixing barrel, the bottom end surface of the mixing barrel is evenly and fixedly connected with a support column, a feed port is opened on the front side of the top surface of the mixing barrel, a liquid inlet is opened on the right side of the top surface of the mixing barrel, a mixing device is arranged in the inner cavity of the mixing barrel, a lifting device is arranged on the left side of the outer wall of the mixing barrel, and the upper and lower ends of the lifting device are connected to the mixing barrel.

[0007] According to the technical solution provided in the embodiment of the present application, the mixing device includes a servo motor, a fixed rod, a connecting rod, a stirring rod and a scraper. A servo motor is fixedly connected to the center of the top surface of the mixing barrel, and the motor shaft of the servo motor extends through the inner cavity of the mixing barrel and is fixedly connected to the fixed rod. The lower end surface of the fixed rod is evenly fixedly connected to the connecting rod, and the bottom end surface of the connecting rod in the middle part fits the bottom end surface of the inner cavity of the mixing barrel. Stirring rods are evenly fixedly connected on the left and right sides of the outer walls of the left and right connecting rods, and a scraper is fixedly connected to the outer wall of the end of the connecting rod in the middle part, and the lower end surface of the scraper fits the bottom end surface of the inner cavity of the mixing barrel.

[0008] According to the technical solution provided in the embodiment of the present application, the lifting device includes a feed pipe, a spiral blade, a rotating rod, a shell, a discharge pipe and a driving motor. The shell is fixedly connected to the left side of the outer wall of the mixing barrel, and the middle part of the lower end surface of the shell is fixedly connected to the driving motor. The motor shaft of the driving motor extends through the inner cavity of the shell and is fixedly connected to the rotating rod. The outer wall of the rotating rod is fixedly connected with a spiral blade. The left side of the bottom end surface of the mixing barrel is fixedly connected to the discharge pipe, and the end of the discharge pipe extends through the bottom of the inner cavity of the shell. The upper part of the outer wall of the shell is fixedly connected to the feed pipe, and the end of the feed pipe extends through the inner cavity of the mixing barrel.

[0009] According to the technical solution provided in the embodiment of the present application, a groove is opened in the middle of the outer wall around the mixing barrel, and a heating wire is arranged in the inner cavity of the groove, and the heating wire is spiral.

[0010] According to the technical solution provided in the embodiment of the present application, the lower end surfaces of the support columns are fixedly connected with pads, and the lower end surfaces of the pads are fixedly connected with rubber pads.

[0011] According to the technical solution provided in the embodiment of the present application, a discharge port is provided on the right side of the bottom end surface of the mixing barrel.

[0012] In summary, the present application discloses a biodegradable plastic mixing device.

[0013] Beneficial effects:

[0014] 1. Through the mixing device and the lifting device, the connecting rod and the stirring rod rotate to fully mix the raw materials and the coupling agent. In order to further improve the mixing efficiency, the raw materials are mixed again through the rotation of the spiral blade and enter the mixing barrel for mixing again, which effectively improves the mixing efficiency and improves the production efficiency.

[0015] 2. Through the connecting rod and the scraper, the connecting rod drives the scraper to rotate at the bottom of the mixing barrel, effectively preventing the raw materials at the bottom from accumulating and unable to flip. The scraper can also provide power during discharging and unloading, thereby improving the efficiency of discharging and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0017] Figure 1 It is a schematic diagram of the biodegradable plastic mixing device in the present application;

[0018] Figure 2 It is a schematic diagram of the front view and cross-sectional structure of the biodegradable plastic mixing device in the present application;

[0019] Figure 3 It is a partial cross-sectional structural schematic diagram of the biodegradable plastic mixing device in the present application.

[0020] In the figure: 1. mixing barrel; 2. supporting column; 3. feed port; 4. liquid inlet; 5. discharge port; 6. lifting device; 61. feed pipe; 62. spiral blade; 63. rotating rod; 64. shell; 65. discharge pipe; 66. driving motor; 7. mixing device; 71. servo motor; 72. fixing rod; 73. connecting rod; 74. stirring rod; 75. scraper; 8. groove; 9. heating wire. DETAILED DESCRIPTION

[0021] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] As mentioned in the background technology, the plastic mixing device in the prior art can only mix the plastic particles by stirring and vibrating, and cannot fully mix the coupling agent with the plastic particles, resulting in the efficiency of plastic production, and cannot mix the raw materials at the bottom of the mixing barrel to effectively avoid the problem of accumulation. The present disclosure proposes a structure that mixes fully without accumulation.

[0024] Example 1

[0025] See also Figure 1A biodegradable plastic mixing device comprises a mixing barrel 1, which is cylindrical. In order to ensure that the mixing barrel 1 is convenient for unloading, support columns 2 are evenly and fixedly connected to the bottom end surface of the mixing barrel 1, and three groups of support columns 2 are provided. The three groups of support columns 2 are arranged in a ring array on the bottom end surface of the mixing barrel 1, which effectively ensures the stability of the mixing barrel 1. In order to facilitate feeding, a feed port 3 is opened on the front side of the top end surface of the mixing barrel 1. In order to separate the raw material and the coupling agent, a liquid inlet 4 is opened on the right side of the top end surface of the mixing barrel 1.

[0026] See also Figure 1 In order to quickly mix the raw materials inside the mixing barrel 1, a mixing device 7 is arranged in the inner cavity of the mixing barrel 1. In order to fully mix the raw materials and the coupling agent, the raw materials at the bottom of the inner cavity of the mixing barrel 1 are mixed again. A lifting device 6 is arranged on the left side of the outer wall of the mixing barrel 1, and the upper and lower ends of the lifting device 6 are connected to the mixing barrel 1.

[0027] See also Figure 2 In order to mix the plastic particles, a mixing device 7 is composed of a servo motor 71, a fixed rod 72, a connecting rod 73, a stirring rod 74 and a scraper 75. The servo motor 71 is fixedly connected to the center of the top surface of the mixing barrel 1, and the motor shaft of the servo motor 71 extends through the inner cavity of the mixing barrel 1 and is fixedly connected to the fixed rod 72, and the length of the fixed rod 72 is less than the diameter of the mixing barrel 1 to ensure the normal rotation of the stirring rod 74. The connecting rod 73 is evenly fixedly connected to the lower end surface of the fixed rod 72, and the bottom end surface of the middle connecting rod 73 fits the bottom end surface of the inner cavity of the mixing barrel 1. The stirring rods 74 are evenly fixedly connected to the left and right sides of the outer walls of the left and right connecting rods 73. The scraper 75 is fixedly connected to the outer wall of the end of the middle connecting rod 73, and the lower end surface of the scraper 75 fits the bottom end surface of the inner cavity of the mixing barrel 1.

[0028] See also Figure 2 In order to facilitate the full mixing of the plastic particles and the coupling agent, a lifting device 6 is composed of a feed pipe 61, a spiral blade 62, a rotating rod 63, a shell 64, a discharge pipe 65 and a drive motor 66. The shell 64 is fixedly connected to the left side of the outer wall of the mixing barrel 1, and the shell 64 is welded to the mixing barrel 1 to ensure the stability of the shell 64. A drive motor 66 is fixedly connected to the middle of the lower end surface of the shell 64, and the motor shaft of the drive motor 66 extends through the inner cavity of the shell 64 and is fixedly connected to the rotating rod 63. The spiral blade 62 is fixedly connected to the outer wall of the rotating rod 63. In order to facilitate the transportation of the raw materials at the bottom of the inner cavity of the mixing barrel 1 to the inner cavity of the shell 64, a discharge pipe 65 is fixedly connected to the left side of the bottom end surface of the mixing barrel 1, and the end of the discharge pipe 65 extends through the bottom of the inner cavity of the shell 64. A feed pipe 61 is fixedly connected to the upper part of the outer wall of the shell 64, and the end of the feed pipe 61 extends through the inner cavity of the mixing barrel 1.

[0029] See also Figure 1In order to heat the raw materials during the mixing process, a groove 8 is opened in the middle of the outer wall around the mixing barrel 1, and a heating wire 9 is arranged in the inner cavity of the groove 8. The heating wire 9 is spiral, which can ensure that the raw materials in the inner cavity of the mixing barrel 1 are evenly heated.

[0030] See also Figure 1 In order to further improve the stability of the mixing barrel 1, a pad is fixedly connected to the lower end surface of the support column 2. The pad area is larger than the cross-sectional area of ​​the support column 2. A rubber pad is fixedly connected to the lower end surface of the pad to have an anti-slip effect to prevent the support column 2 from displacement.

[0031] Example 2

[0032] See also Figure 1 In order to facilitate unloading, a discharge port 5 is provided on the right side of the bottom end surface of the mixing barrel 1, and a flange is fixedly connected to the lower part of the discharge port 5 for convenient connection with an external pipeline.

[0033] Working principle: When in use, pour the plastic raw material into the feed port 3, the plastic raw material enters the inner cavity of the mixing barrel 1 through the feed port 3, and then pour the coupling agent into the liquid inlet 4, the coupling agent enters the inner cavity of the mixing barrel 1 through the liquid inlet 4, connect with an external power supply, turn on the heating wire 9, and start the servo motor 71 at the same time, the servo motor 71 drives the fixed rod 72 to rotate, the fixed rod 72 drives the connecting rod 73 to make a circular motion in the inner cavity of the mixing barrel 1, and the connecting rod 73 drives the stirring rod 74 to rotate, so that the raw material and the coupling agent are fully mixed, and at the same time At the same time, the scraper 75 makes a circular motion to ensure that the raw materials at the bottom of the inner cavity of the mixing barrel 1 will not accumulate. In order to improve the mixing efficiency, the scraper 75 rotates to transport the raw materials and the coupling agent to the inner cavity of the shell 64 through the discharge pipe 65, and the drive motor 66 is started. The drive motor 66 drives the rotating rod 63 to rotate, and the rotating rod 63 drives the spiral blade 62 to rotate. The spiral blade 62 lifts the raw materials and the coupling agent to the upper part of the shell 64, and then transports them to the inner cavity of the mixing barrel 1 through the feed pipe 61 for re-mixing, which effectively improves the efficiency of plastic mixing.

[0034] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A biodegradable plastic mixing device, comprising a mixing barrel (1), characterized in that: The bottom end surface of the mixing barrel (1) is evenly and fixedly connected with a support column (2); the front side of the top end of the mixing barrel (1) is provided with a feed port (3); the right side of the top end of the mixing barrel (1) is provided with a liquid inlet (4); the inner cavity of the mixing barrel (1) is provided with a mixing device (7); the left side of the outer wall of the mixing barrel (1) is provided with a lifting device (6); the upper and lower ends of the lifting device (6) are connected to the mixing barrel (1).

2. A biodegradable plastic mixing device according to claim 1, characterized in that: The mixing device (7) comprises a servo motor (71), a fixed rod (72), a connecting rod (73), a stirring rod (74) and a scraper (75); the servo motor (71) is fixedly connected to the center of the top end surface of the mixing barrel (1); the motor shaft of the servo motor (71) extends through the inner cavity of the mixing barrel (1) and is fixedly connected to the fixed rod (72); the lower end surface of the fixed rod (72) is evenly fixedly connected to the connecting rod (73); the bottom end surface of the connecting rod (73) in the middle part is in contact with the bottom end surface of the inner cavity of the mixing barrel (1); the stirring rods (74) are evenly fixedly connected to the left and right sides of the outer walls of the left and right connecting rods (73); the scraper (75) is fixedly connected to the outer wall of the end of the connecting rod (73) in the middle part; the lower end surface of the scraper (75) is in contact with the bottom end surface of the inner cavity of the mixing barrel (1).

3. A biodegradable plastic mixing device according to claim 1, characterized in that: The lifting device (6) comprises a feed pipe (61), a spiral blade (62), a rotating rod (63), a shell (64), a discharge pipe (65) and a drive motor (66); the shell (64) is fixedly connected to the left side of the outer wall of the mixing barrel (1); the drive motor (66) is fixedly connected to the middle part of the lower end surface of the shell (64); the motor shaft of the drive motor (66) extends through the inner cavity of the shell (64) and is fixedly connected to the rotating rod (63); the spiral blade (62) is fixedly connected to the outer wall of the rotating rod (63); the discharge pipe (65) is fixedly connected to the left side of the bottom end surface of the mixing barrel (1); the end of the discharge pipe (65) extends through the bottom of the inner cavity of the shell (64); the upper part of the outer wall of the shell (64) is fixedly connected to the feed pipe (61); the end of the feed pipe (61) extends through the inner cavity of the mixing barrel (1).

4. A biodegradable plastic mixing device according to claim 1, characterized in that: A groove (8) is provided in the middle of the outer wall around the mixing barrel (1), and a heating wire (9) is provided in the inner cavity of the groove (8), and the heating wire (9) is spiral-shaped.

5. The biodegradable plastic mixing device according to claim 1, characterized in that: The lower end surfaces of the support columns (2) are all fixedly connected to pads, and the lower end surfaces of the pads are all fixedly connected to rubber pads.

6. A biodegradable plastic mixing device according to claim 1, characterized in that: A discharge port (5) is provided on the right side of the bottom end surface of the mixing barrel (1).

Images