Polypropylene raw material stirrer

Abstract

The utility model discloses a polypropylene raw material stirrer which comprises a stirring tank, the top surface of the stirring tank is fixedly connected with a tank cover, the inner wall of the tank cover is fixedly connected with a connecting pipe, the feeding end of the connecting pipe is fixedly connected with a material conveying pipe, and the bottom end of the material conveying pipe is fixedly connected with a first servo motor. The output end of the first servo motor is rotationally connected with the inner wall of the material conveying pipe, polypropylene raw materials or additives are put into the quantitative feeding mechanism, when the weight reaches the specified amount, the raw materials enter the material conveying pipe along the supporting pipe, the first servo motor is started to drive the material rotating device to rotationally convey the raw materials into the stirring tank, and after the raw materials and the additives enter the stirring tank, the raw materials and the additives enter the stirring tank. The stirring assembly is started to stir and mix the raw materials and the additives, and the discharging mechanism is started to discharge the polypropylene mixture, so that the purpose of accurately controlling the mixing addition amount of the polypropylene raw materials and the additives is achieved, and the situation that the addition amount is manually controlled, so that the production efficiency is improved is avoided. And the quality of the produced plastic products is uneven.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene raw material stirring, in particular to a polypropylene raw material stirring machine. Background Art

[0002] Polypropylene, referred to as PP, is a thermoplastic synthetic resin with excellent performance. It is a colorless, translucent, thermoplastic, lightweight general-purpose plastic with chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high-wear resistance processing properties. It is widely used in the production of clothing, blankets and other fiber products, medical equipment, automobiles, bicycles, parts, conveying pipelines, chemical containers, etc., and is also used in food and drug packaging.

[0003] Before the production of polypropylene plastic products, the polypropylene raw materials need to be stirred and mixed with various additives and masterbatches. According to the different characteristics of the products, the amount of raw materials and additives added needs to be controlled during the stirring and mixing. At present, the amount of raw materials added is mostly controlled manually. However, it is difficult to accurately control the amount of raw materials and additives added when manually feeding them, resulting in uneven quality of the plastic products produced. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a polypropylene raw material mixer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A polypropylene raw material mixer comprises a stirring tank, wherein the top surface of the stirring tank is fixedly connected to a tank cover, the inner wall of the tank cover is fixedly connected to a connecting pipe, the feeding end of the connecting pipe is fixedly connected to a conveying pipe, the bottom end of the conveying pipe is fixedly connected to a first servo motor, and the output end of the first servo motor is rotatably connected to the inner wall of the conveying pipe, the inner wall of the conveying pipe is rotatably connected to a rotator, and the rotator is fixedly connected to the output end of the first servo motor, the inner wall of the conveying pipe is fixedly connected to a supporting tube, the surface of the supporting tube is fixedly connected to a fixing frame, the top surface of the fixing frame is fixedly connected to a limiting frame, a quantitative feeding mechanism is arranged inside the limiting frame, a stirring assembly is arranged on the top surface of the tank cover, a discharging mechanism is arranged inside the stirring tank, and a supporting assembly is arranged on the surface of the stirring tank.

[0007] Preferably, the quantitative feeding mechanism is composed of a weighing sensor, a weighing box, a display screen, a feed pipe and a first solenoid valve, the weighing sensor is fixedly connected to the inner wall of the limit frame, the weighing box is slidably connected to the inner wall of the limit frame, and the weighing box overlaps the detection end of the weighing sensor, the display screen is fixedly connected to the inner wall of the limit frame, the feed pipe is fixedly connected to the inner wall of the weighing box, and the first solenoid valve is fixedly connected to the inner wall of the feed pipe.

[0008] Preferably, the stirring assembly consists of a second servo motor, a rotating shaft and a stirring rod, the second servo motor is fixedly connected to the top surface of the tank cover, and the output end of the second servo motor is rotatably connected to the inner wall of the tank cover, the rotating shaft is fixedly connected to the output end of the second servo motor, and the stirring rod is fixedly connected to the surface of the rotating shaft.

[0009] Preferably, the discharging mechanism consists of a discharging pipe and a second solenoid valve, the discharging pipe is fixedly connected to the inner wall of the stirring tank, and the second solenoid valve is fixedly connected to the inner wall of the discharging pipe.

[0010] Preferably, the support assembly consists of a fixed frame, a support rod and a support ring, the fixed frame is fixedly connected to the surface of the mixing tank, the support rod is fixedly connected to the bottom surface of the fixed frame, the support ring is fixedly connected to the right side of the fixed frame, and the inner wall of the support ring is fixedly connected to the surface of the feed pipe.

[0011] Preferably, there are multiple weighing sensors, and all of the multiple weighing sensors are located inside the limit frame.

[0012] Preferably, the fixing frame is rectangular and is made of metal material.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the polypropylene raw material mixer puts the polypropylene raw material or additive into the quantitative feeding mechanism, when the weight reaches the specified amount, the raw material enters the feeding pipe along the support pipe, the first servo motor is started to drive the rotary feeder to rotate and convey the raw material into the mixing tank, after the raw material and the additive enter the mixing tank, the stirring component is started to stir and mix the raw material and the additive, and the discharging mechanism is opened to discharge the polypropylene mixture; the goal of facilitating the precise control of the mixed addition amount of the polypropylene raw material and the additive is achieved, and the problem of uneven quality of the produced plastic products due to manual control of the addition amount is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the structure of the utility model;

[0016] Figure 3 This is an enlarged view of the structure A of the utility model;

[0017] Figure 4 This is an enlarged view of the structure B of the utility model.

[0018] In the figure: 1. mixing tank; 2. tank cover; 3. connecting pipe; 4. feed pipe; 5. first servo motor; 6. rotator; 7. support pipe; 8. fixed frame; 9. limit frame; 10. weighing sensor; 11. weighing box; 12. display screen; 13. feed pipe; 14. first solenoid valve; 15. second servo motor; 16. rotating shaft; 17. stirring rod; 18. discharge pipe; 19. second solenoid valve; 20. fixed frame; 21. support rod; 22. support ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Reference Figure 1-4 A polypropylene raw material mixer comprises a mixing tank 1, a tank cover 2 is fixedly connected to the top surface of the mixing tank 1, a connecting pipe 3 is fixedly connected to the inner wall of the tank cover 2, a feeding end of the connecting pipe 3 is fixedly connected to a feeding pipe 4, a first servo motor 5 is fixedly connected to the bottom end of the feeding pipe 4, and the output end of the first servo motor 5 is rotatably connected to the inner wall of the feeding pipe 4, a rotary feeder 6 is rotatably connected to the inner wall of the feeding pipe 4, and the rotary feeder 6 is fixedly connected to the output end of the first servo motor 5, a supporting tube 7 is fixedly connected to the inner wall of the feeding pipe 4, a fixing frame 8 is fixedly connected to the surface of the supporting tube 7, a limiting frame 9 is fixedly connected to the top surface of the fixing frame 8, a quantitative feeding mechanism is arranged inside the limiting frame 9, and the quantitative feeding mechanism is composed of a weighing sensor 10, a weighing box 11, a display screen 12, a feeding pipe 13 and a first solenoid valve 14, a weighing There are multiple weighing sensors 10, and the multiple weighing sensors 10 are all located inside the limit frame 9, which is convenient for supporting and fixing the weighing box 11 and improving the load-bearing accuracy. The weighing sensor 10 is fixedly connected to the inner wall of the limit frame 9, the weighing box 11 is slidably connected to the inner wall of the limit frame 9, and the weighing box 11 overlaps the detection end of the weighing sensor 10. The display screen 12 is fixedly connected to the inner wall of the limit frame 9, the feed pipe 13 is fixedly connected to the inner wall of the weighing box 11, and the first solenoid valve 14 is fixedly connected to the inner wall of the feed pipe 13, which is used to weigh, detect and control the amount of raw material added. The real-time weight displayed on the display screen 12 can accurately control the amount of raw material added. A stirring assembly is provided on the top surface of the tank cover 2, a discharging mechanism is provided inside the mixing tank 1, and a supporting assembly is provided on the surface of the mixing tank 1.

[0021] Specifically, the stirring assembly consists of a second servo motor 15, a rotating shaft 16 and a stirring rod 17. The second servo motor 15 is fixedly connected to the top surface of the tank cover 2, and the output end of the second servo motor 15 is rotatably connected to the inner wall of the tank cover 2. The rotating shaft 16 is fixedly connected to the output end of the second servo motor 15, and the stirring rod 17 is fixedly connected to the surface of the rotating shaft 16. By rotating the rotating shaft 16 and the stirring rod 17, the added raw materials and additives can be stirred and mixed, thereby improving the mixing efficiency.

[0022] Specifically, the discharging mechanism consists of a discharging pipe 18 and a second solenoid valve 19. The discharging pipe 18 is fixedly connected to the inner wall of the stirring tank 1, and the second solenoid valve 19 is fixedly connected to the inner wall of the discharging pipe 18. After the second solenoid valve 19 is opened, the mixed raw materials and additives can be automatically discharged from the discharging pipe 18 through the raw material pressure.

[0023] Specifically, the support assembly consists of a fixed frame 20, a support rod 21 and a support ring 22. The fixed frame 20 is rectangular and made of metal material. The fixed frame 20 made of metal material has higher strength, is not easy to deform or damage after being subjected to force, and is more durable. The fixed frame 20 is fixedly connected to the surface of the mixing tank 1, the support rod 21 is fixedly connected to the bottom surface of the fixed frame 20, the support ring 22 is fixedly connected to the right side of the fixed frame 20, and the inner wall of the support ring 22 is fixedly connected to the surface of the feed pipe 4, which is used to support and fix the mixing tank 1, and at the same time facilitates the support and fixing work of the feed pipe 4 to avoid the problem of deformation and damage of the feed pipe 4 due to pressure.

[0024] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0025] When in use: first, put the polypropylene raw material or additive that needs to be mixed into the weighing box 11, and the display screen 12 displays the weight of the raw material added detected by the weighing sensor 10. When the specified amount is reached, stop feeding and open the first solenoid valve 14. The raw material enters the delivery pipe 4 through the feed pipe 13 and the support pipe 7, and start the first servo motor 5 to drive the rotator 6 to rotate along the inner wall of the delivery pipe 4. The raw material is driven to move upward by the rotation of the rotator 6. When the raw material moves to the position of the connecting pipe 3, it falls into the stirring tank 1. Repeat the above work to quantitatively add the raw material and additive respectively. After the raw material and additive enter the stirring tank 1, start the second servo motor 15 to drive the rotating shaft 16 and the stirring rod 17 to rotate. The raw material and additive are stirred and mixed by the rotation of the stirring rod 17. After the mixing is completed, open the second solenoid valve 19 to discharge the polypropylene mixture through the discharge pipe 18.

[0026] In summary, the polypropylene raw material mixer puts the polypropylene raw material or additive into the quantitative feeding mechanism. When the weight reaches the specified amount, the raw material enters the conveying pipe 4 along the support tube 7, and the first servo motor 5 is started to drive the rotary device 6 to rotate and convey the raw material into the mixing tank 1. After the raw material and the additive enter the mixing tank 1, the stirring component is started to stir and mix the raw material and the additive, and the discharging mechanism is opened to discharge the polypropylene mixture, thereby achieving the goal of facilitating the precise control of the mixed addition amount of the polypropylene raw material and the additive, avoiding the problem of uneven quality of the produced plastic products due to manual control of the addition amount, and is used to solve the problems raised in the above-mentioned background technology.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polypropylene raw material mixer, comprising a mixing tank (1), characterized in that: The top surface of the stirring tank (1) is fixedly connected to a tank cover (2), the inner wall of the tank cover (2) is fixedly connected to a connecting pipe (3), the feeding end of the connecting pipe (3) is fixedly connected to a feeding pipe (4), the bottom end of the feeding pipe (4) is fixedly connected to a first servo motor (5), and the output end of the first servo motor (5) is rotatably connected to the inner wall of the feeding pipe (4), the inner wall of the feeding pipe (4) is rotatably connected to a rotary device (6), and the rotary device (6) is fixedly connected to the output end of the first servo motor (5), the inner wall of the feeding pipe (4) is fixedly connected to a supporting tube (7), the surface of the supporting tube (7) is fixedly connected to a fixing frame (8), the top surface of the fixing frame (8) is fixedly connected to a limiting frame (9), a quantitative feeding mechanism is arranged inside the limiting frame (9), a stirring assembly is arranged on the top surface of the tank cover (2), a discharging mechanism is arranged inside the stirring tank (1), and a supporting assembly is arranged on the surface of the stirring tank (1).

2. A polypropylene raw material mixer according to claim 1, characterized in that: The quantitative feeding mechanism is composed of a weighing sensor (10), a weighing box (11), a display screen (12), a feeding pipe (13) and a first electromagnetic valve (14); the weighing sensor (10) is fixedly connected to the inner wall of the limit frame (9); the weighing box (11) is slidably connected to the inner wall of the limit frame (9); the weighing box (11) and the detection end of the weighing sensor (10) are overlapped; the display screen (12) is fixedly connected to the inner wall of the limit frame (9); the feeding pipe (13) is fixedly connected to the inner wall of the weighing box (11); and the first electromagnetic valve (14) is fixedly connected to the inner wall of the feeding pipe (13).

3. A polypropylene raw material mixer according to claim 1, characterized in that: The stirring assembly is composed of a second servo motor (15), a rotating shaft (16) and a stirring rod (17); the second servo motor (15) is fixedly connected to the top surface of the tank cover (2), and the output end of the second servo motor (15) is rotatably connected to the inner wall of the tank cover (2); the rotating shaft (16) is fixedly connected to the output end of the second servo motor (15), and the stirring rod (17) is fixedly connected to the surface of the rotating shaft (16).

4. A polypropylene raw material mixer according to claim 1, characterized in that: The discharge mechanism consists of a discharge pipe (18) and a second solenoid valve (19); the discharge pipe (18) is fixedly connected to the inner wall of the stirring tank (1); and the second solenoid valve (19) is fixedly connected to the inner wall of the discharge pipe (18).

5. A polypropylene raw material mixer according to claim 1, characterized in that: The support assembly is composed of a fixed frame (20), a support rod (21) and a support ring (22); the fixed frame (20) is fixedly connected to the surface of the stirring tank (1); the support rod (21) is fixedly connected to the bottom surface of the fixed frame (20); the support ring (22) is fixedly connected to the right side of the fixed frame (20); and the inner wall of the support ring (22) is fixedly connected to the surface of the feed pipe (4).

6. A polypropylene raw material mixer according to claim 2, characterized in that: There are multiple weighing sensors (10), and the multiple weighing sensors (10) are all located inside the limit frame (9).

7. A polypropylene raw material mixer according to claim 5, characterized in that: The fixing frame (20) is rectangular in shape and is made of metal material.

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