PET raw material stirring device

Abstract

The utility model discloses a PET (Polyethylene Terephthalate) raw material stirring device which comprises a pressurizing tank body and a stirring tank body, the pressurizing tank body is arranged above the stirring tank body, a frame body is arranged on the pressurizing tank body, an electric telescopic rod is arranged on the frame body, a connecting plate is arranged on a telescopic shaft of the electric telescopic rod, and two piston rods are arranged at the bottom end of the connecting plate; the bottom ends of the two piston rods are provided with the same piston, the piston is arranged in the pressurizing tank body, the pressurizing tank body is provided with a motor, the output end of the motor is provided with a first bevel gear, and the upper portion of the first bevel gear is meshed with a second bevel gear. According to the stirring tank, the pressurizing device is arranged, so that the PET sheet-shaped raw materials in the stirring tank are pressurized, the problem that the PET sheet-shaped raw materials float in the stirring and mixing process is effectively prevented, the stirring space in the tank is relatively reduced, the floating space of the raw materials is further reduced, and the raw materials and additives are effectively mixed.

Description

Technical Field

[0001] This utility model relates to the field of stirring device technology, and in particular to a PET raw material stirring device. Background Technology

[0002] PET contains polyethylene terephthalate, the most important type of thermoplastic polyester, commonly known as polyester resin. It is a condensation polymer of terephthalic acid and ethylene glycol, and together with PBT, it is collectively referred to as thermoplastic polyester, or saturated polyester. PET is mainly used for fibers, with smaller amounts used for films and engineering plastics. PET fibers are primarily used in the textile industry. PET films are mainly used as electrical insulation materials, such as capacitors, cable insulation, printed circuit wiring substrates, and electrode slot insulation. Another application area for PET films is as film bases and base tapes, such as motion picture film, X-ray film, audio tapes, and computer tapes. PET films are also used to create metallized films through vacuum metallization, such as gold and silver wires and miniature capacitor films. Another use of PET is in blow-molded products, such as polyester stretch bottles for packaging.

[0003] A search revealed that the prior art with authorization publication number CN215703061U uses a unidirectional rotation method to mix PET sheet raw materials and additives. However, PET sheet raw materials are relatively light and are prone to co-rotation with the unidirectional rotating stirring rod during the mixing process, resulting in poor mixing effect. Furthermore, the raw materials tend to float in the tank during the mixing process, affecting the mixing quality. Therefore, a PET raw material mixing device is needed to meet people's needs. Utility Model Content

[0004] The purpose of this invention is to provide a PET raw material mixing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a PET raw material mixing device, comprising a pressure tank and a mixing tank, wherein the pressure tank is disposed above the mixing tank, a frame is disposed on the pressure tank, an electric telescopic rod is disposed on the frame, a connecting plate is disposed on the telescopic shaft of the electric telescopic rod, two piston rods are disposed on the bottom end of the connecting plate, a common piston is disposed on the bottom end of the two piston rods, the piston is disposed inside the pressure tank, a motor is disposed on the pressure tank, a first helical gear is disposed on the output end of the motor, a second helical gear is meshed above the first helical gear, a rotating shaft is connected to the second helical gear, the rotating shaft extends and is disposed inside the mixing tank, a first mixing rod is disposed on the outer wall of the rotating shaft inside the mixing tank, a third helical gear is meshed below the first helical gear, a rotating sleeve is connected to the bottom end of the third helical gear, the rotating sleeve extends and is disposed inside the mixing tank, a scraper is disposed on the outer wall of the rotating sleeve inside the mixing tank, and a second mixing rod is disposed on the scraper.

[0006] Preferably, a sealing ring is embedded in the outer wall of the piston, and the sealing ring is sealed to the inner wall of the pressurized tank.

[0007] Preferably, a discharge pipe is provided at the bottom end of the mixing tank, and a valve is provided on the discharge pipe.

[0008] Preferably, the piston is provided with a feed pipe, which is slidably connected to the top of the pressurized tank, and a sealing cap is threadedly connected to the top of the feed pipe.

[0009] Preferably, the pressurized tank is provided with a limiting component, which is L-shaped. The first helical gear and the second helical gear rotate on the inner walls of the two sides of the limiting component, respectively, and the third helical gear rotates on the pressurized tank.

[0010] Preferably, the piston is fitted with a sealing sleeve, and the rotating sleeve is sealed and connected inside the sealing sleeve.

[0011] Preferably, the first stirring rod and the second stirring rod are arranged in a staggered manner.

[0012] The beneficial effects of this utility model are:

[0013] In this invention, the electric telescopic rod, connecting plate, piston rod and piston work together to pressurize the PET sheet material in the mixing tank, effectively preventing the PET sheet material from floating during the mixing process, and relatively reducing the mixing space inside the tank, further reducing the floating space of the material, so as to achieve effective mixing between the material and the additive.

[0014] In this invention, the cooperation between the first helical gear, the second helical gear, and the third helical gear enables the second helical gear to drive the first stirring rod to rotate in one direction via the connection of the rotating shaft, and the third helical gear to drive the scraper to rotate in the opposite direction to the second stirring rod via the connection of the rotating sleeve. This allows the PET sheet material inside to achieve synchronous stirring in different directions, thereby improving the stirring and mixing effect, and the scraper can scrape off the material adhering to the can wall. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a PET raw material stirring device proposed in this utility model;

[0016] Figure 2 This is a front cross-sectional view of a PET raw material stirring device proposed in this utility model;

[0017] Figure 3 This is a side view cross-sectional structural diagram of a PET raw material stirring device proposed in this utility model.

[0018] In the diagram: 1. Pressure tank; 2. Mixing tank; 3. Frame; 4. Electric telescopic rod; 5. Connecting plate; 6. Piston rod; 7. Piston; 8. Motor; 9. First helical gear; 10. Second helical gear; 11. Rotating shaft; 12. First stirring rod; 13. Third helical gear; 14. Rotating sleeve; 15. Scraper; 16. Second stirring rod; 17. Sealing ring; 18. Discharge pipe; 19. Valve; 20. Feed pipe; 21. Sealing cover; 22. Limiting component; 23. Sealing sleeve. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-3 A PET raw material mixing device includes a pressure tank 1 and a mixing tank 2. The pressure tank 1 is positioned above the mixing tank 2. A frame 3 is mounted on the pressure tank 1, and an electric telescopic rod 4 is mounted on the frame 3. A connecting plate 5 is mounted on the telescopic shaft of the electric telescopic rod 4. Two piston rods 6 are mounted on the bottom end of the connecting plate 5, and a single piston 7 is mounted on the bottom end of the two piston rods 6. The piston 7 is arranged inside the pressure tank 1. A motor 8 is mounted on the pressure tank 1, and a first helical gear 9 is mounted on the output end of the motor 8. A second helical gear 10 meshes above a first helical gear 9. A rotating shaft 11 is connected to the second helical gear 10. The rotating shaft 11 extends into the mixing tank 2. A first stirring rod 12 is provided on the outer wall of the mixing tank 2. A third helical gear 13 meshes below the first helical gear 9. A rotating sleeve 14 is connected to the bottom end of the third helical gear 13. The rotating sleeve 14 extends into the mixing tank 2. A scraper 15 is provided on the outer wall of the mixing tank 2. A second stirring rod 16 is provided on the scraper 15.

[0021] The PET sheet material inside the mixing tank 2 is pressurized through the cooperation of the electric telescopic rod 4, connecting plate 5, piston rod 6, and piston 7, effectively preventing the PET sheet material from floating during the mixing process. It also relatively reduces the mixing space inside the tank, further reducing the floating space of the material, so that the material and additives can be effectively mixed. Through the cooperation of the first helical gear 9, the second helical gear 10, and the third helical gear 13, the second helical gear 10 drives the first stirring rod 12 to rotate unidirectionally through the rotating shaft 11, and the third helical gear 13 drives the scraper 15 to rotate in the opposite direction to the second stirring rod 16 through the rotating sleeve 14. This allows the PET sheet material inside to achieve synchronous mixing in different directions, thereby improving the mixing effect. The scraper 15 can also scrape off the material adhering to the tank wall.

[0022] Specifically, in this embodiment, a sealing ring 17 is embedded in the outer wall of the piston 7, and the sealing ring 17 is sealed to the inner wall of the pressurization tank 1, thereby improving the sealing performance between the piston 7 and the pressurization tank 1 and preventing air leakage during the pressurization process.

[0023] Specifically, in this embodiment, a discharge pipe 18 is provided at the bottom of the mixing tank 2, and a valve 19 is provided on the discharge pipe 18 for discharging the raw materials after mixing and for maintaining the stability of the internal air pressure.

[0024] Specifically, in this embodiment, the piston 7 is provided with a feed pipe 20, which is slidably connected to the top of the pressurized tank 1. A sealing cap 21 is threadedly connected to the top of the feed pipe 20 for feeding raw materials and additives into the mixing tank 2 and maintaining the stability of the internal air pressure.

[0025] Specifically, in this embodiment, a limiting member 22 is provided on the pressurized tank 1. The limiting member 22 is L-shaped. The first helical gear 9 and the second helical gear 10 rotate on the inner walls of the two sides of the limiting member 22, respectively. The third helical gear 13 rotates on the pressurized tank 1 to provide limiting for the first helical gear 9, the second helical gear 10 and the third helical gear 13, and to ensure the stability of meshing.

[0026] Specifically, in this embodiment, a sealing sleeve 23 is embedded inside the piston 7, and the rotating sleeve 14 is sealed and connected inside the sealing sleeve 23, thereby improving the sealing performance between the rotating sleeve 14 and the piston 7.

[0027] Specifically, in this embodiment, the first stirring rod 12 and the second stirring rod 16 are arranged in a staggered manner to prevent collisions when the first stirring rod 12 and the second stirring rod 16 rotate in opposite directions.

[0028] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A PET raw material mixing device, comprising a pressurized tank (1) and a mixing tank (2), characterized in that: The pressurizing tank (1) is located above the mixing tank (2). A frame (3) is installed on the pressurizing tank (1), and an electric telescopic rod (4) is installed on the frame (3). A connecting plate (5) is installed on the telescopic shaft of the electric telescopic rod (4). Two piston rods (6) are installed at the bottom end of the connecting plate (5), and the same piston (7) is installed at the bottom end of the two piston rods (6). The piston (7) is arranged inside the pressurizing tank (1). A motor (8) is installed on the pressurizing tank (1), and a first helical gear (9) is installed at the output end of the motor (8). A second helical gear (9) meshes above the first helical gear (9). A helical gear (10) is connected to a rotating shaft (11). The rotating shaft (11) extends into the mixing tank (2). A first stirring rod (12) is provided on the outer wall of the mixing tank (2) inside the rotating shaft (11). A third helical gear (13) meshes below the first helical gear (9). A rotating sleeve (14) is connected to the bottom end of the third helical gear (13). The rotating sleeve (14) extends into the mixing tank (2). A scraper (15) is provided on the outer wall of the mixing tank (2) inside the rotating sleeve (14). A second stirring rod (16) is provided on the scraper (15).

2. The PET raw material mixing device according to claim 1, characterized in that: The piston (7) has a sealing ring (17) embedded in its outer wall, and the sealing ring (17) is sealed to the inner wall of the pressurized tank (1).

3. The PET raw material mixing device according to claim 1, characterized in that: The bottom of the mixing tank (2) is provided with a discharge pipe (18) and a valve (19) is provided on the discharge pipe (18).

4. The PET raw material mixing device according to claim 1, characterized in that: The piston (7) is provided with a feed pipe (20), which is slidably connected to the top of the pressurized tank (1). A sealing cap (21) is threadedly connected to the top of the feed pipe (20).

5. The PET raw material mixing device according to claim 1, characterized in that: The pressurized tank (1) is provided with a limiting member (22), which is L-shaped. The first helical gear (9) and the second helical gear (10) rotate on the inner walls of the two sides of the limiting member (22), and the third helical gear (13) rotates on the pressurized tank (1).

6. The PET raw material mixing device according to claim 1, characterized in that: The piston (7) is fitted with a sealing sleeve (23), and the rotating sleeve (14) is sealed and connected inside the sealing sleeve (23).

7. The PET raw material mixing device according to claim 1, characterized in that: The first stirring rod (12) and the second stirring rod (16) are arranged in a staggered manner.

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