A paraffin fusion device

Abstract

The utility model discloses a paraffin fusion device, including a tank body, wherein a spiral heating wire is provided at the bottom of the tank body close to the inner wall thereof, a variable frequency motor is provided at the bottom of the tank body, an output shaft of the variable frequency motor is connected to a rotating shaft extending into the tank body, a shaft body of the rotating shaft is provided with a stirring structure, the stirring structure includes a gear transmission box, the gear transmission box drives a plurality of rotating rods to rotate, a plurality of stirring rods are provided at the end of the rotating rod away from the rotating shaft, a spring is further connected between the rotating rod and the rotating shaft, bearings adapted to the rotating rod and the rotating shaft are respectively provided at both ends of the spring, a universal joint is further provided on the shaft body of the rotating rod, and the universal joint is located between the end of the spring and the gear box. The utility model is easy to use, and the stirring area can be changed while the stirring rod rotates, so the stirring efficiency can be improved and the stirring can be made more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of investment casting, in particular to a paraffin fusion device. Background Art

[0002] Paraffin wax is a kind of petroleum processing product, a kind of mineral wax, and also a kind of petroleum wax. It is obtained by solvent refining, solvent dewaxing, or wax freezing crystallization, squeeze dewaxing, and wax paste obtained from the lubricating oil fraction obtained from crude oil distillation, and then solvent deoiling and refining to obtain flake or needle-shaped crystals. In the field of investment casting, paraffin wax is an important raw material for making wax materials. Usually, paraffin wax is crushed and added to a mixing tank and mixed with solvent oil. During this period, the solvent oil needs to be heated to facilitate the melting of the paraffin wax.

[0003] The patent with authorization announcement number CN205275527U discloses a paraffin melting and stirring device, including a barrel body and a heating sleeve, the heating sleeve is wrapped on the outer wall of the barrel body, and the connection between the secondary surface of the barrel body and the side wall is an arc transition angle; the top surface of the barrel body is sequentially provided with an air inlet, a high-speed motor, a low-speed motor, a wax outlet and a feed port, and the air inlet, the wax outlet and the feed port are all provided with sealing covers, the output end of the low-speed motor is a main rotating shaft, the main rotating shaft is located inside the barrel body, and a scraper paddle is connected to the lower end of the main rotating shaft. The stirring form is to stir the dispersion disk driven by a high-speed motor. The stirring form is single and the stirring effect is not obvious, which needs further improvement. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a paraffin fusion device which is easy to use and can change the stirring area while the stirring rod rotates, thereby improving the stirring efficiency, making the stirring more uniform, and effectively solving the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paraffin fusion device, comprising a tank body, a spiral heating wire is provided at the lower part of the tank body close to its inner wall, a variable frequency motor is provided at the bottom of the tank body, the output shaft of the variable frequency motor is connected to a rotating shaft extending into the tank body, the shaft body of the rotating shaft is provided with a stirring structure, the stirring structure comprises a gear transmission box, the gear transmission box drives multiple rotating rods to rotate, multiple stirring rods are provided at the end of the rotating rod away from the rotating shaft, a spring is also connected between the rotating rod and the rotating shaft, bearings matching the rotating rod and the rotating shaft are respectively provided at both ends of the spring, the rod body of the rotating rod is also provided with a universal joint, and the universal joint is located between the end of the spring and the gear transmission box.

[0006] Preferably, a bevel gear 1 and a plurality of bevel gears 2 are provided in the gear transmission box, the bevel gear 2 and the bevel gear 1 are meshed with each other, the bevel gear 1 is coaxially arranged with the rotating shaft, and the bevel gear 2 is coaxially arranged with the rotating rod.

[0007] Preferably, the upper portion of the outer wall of the tank body is connected with a liquid inlet pipe, the bottom of the tank body is connected with a liquid outlet pipe, and valves are installed on both the liquid outlet pipe and the liquid inlet pipe.

[0008] Preferably, the rotating shaft and the rotating rod are both rotatably connected to the gear transmission box.

[0009] Preferably, a tank cover is hingedly connected to the upper portion of the tank body.

[0010] Preferably, three supporting legs are evenly arranged around the lower part of the tank body.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the frequency conversion motor drives the rotating shaft to rotate, the rotating shaft drives multiple rotating rods to rotate through the gear transmission box, and then the rotating rod drives the stirring rod to rotate, and by adopting universal joints and springs, the end of the rotating rod and the stirring rod thereon have freedom, and the centrifugal force of the end of the rotating rod can be changed by adjusting the speed of the frequency conversion motor, and then the position of the end of the rotating rod and the stirring rod thereon can be adjusted, that is, the stirring area can be changed while the stirring rod rotates, which can improve the stirring efficiency and make the stirring more uniform. In addition, by heating the solvent oil by the heating wire, the paraffin and the solvent oil can be evenly blended, thereby improving the mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is an internal cross-sectional view of the utility model;

[0014] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0015] In the figure: 1 tank cover, 2 tank body, 3 supporting legs, 4 frequency conversion motor, 5 liquid outlet pipe, 6 liquid inlet pipe, 7 stirring structure, 7.1 stirring rod, 7.2 rotating rod, 7.3 spring, 7.4 gear transmission box, 7.5 bevel gear 2, 7.6 universal joint, 7.7 bevel gear 1, 8 heating wire, 9 rotating shaft. DETAILED DESCRIPTION

[0016] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0017] See also Figure 1-3The utility model provides a technical solution: a paraffin fusion device, including a tank body 2, a spiral heating wire 8 is provided at the bottom of the tank body 2 close to its inner wall, a variable frequency motor 4 is provided at the bottom of the tank body 2, the output shaft of the variable frequency motor 4 is connected to a rotating shaft 9 extending into the tank body 2, the shaft body of the rotating shaft 9 is provided with a stirring structure 7, the stirring structure 7 includes a gear transmission box 7.4, the gear transmission box 7.4 drives a plurality of rotating rods 7.2 to rotate, a plurality of stirring rods 7.1 are provided at the end of the rotating rod 7.2 away from the rotating shaft 9, a spring 7.3 is further connected between the rotating rod 7.2 and the rotating shaft 9, bearings adapted to the rotating rod 7.2 and the rotating shaft 9 are respectively provided at both ends of the spring 7.3, the rod body of the rotating rod 7.2 is further provided with a universal joint 7.6, and the universal joint 7.6 is located between the end of the spring 7.3 and the gear transmission box 7.4;

[0018] It can be understood that the heating wire 8 is energized to heat the solvent oil in the tank body 2, maintaining the temperature in the tank at 70-75°C, adding wax material powder into the tank body 2, and the frequency conversion motor 4 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the gear transmission box 7.4 to move, the gear transmission box 7.4 drives the multiple rotating rods 7.2 to rotate, and the rotating rod 7.2 drives the stirring rod to rotate. Due to the use of the frequency conversion motor 4, the universal joint 7.6 and the spring 7.3, the end of the rotating rod 7.2 and its stirring rod 7.1 have a degree of freedom, the centrifugal force overcomes the elastic force of the spring 7.3, and then the position of the end of the rotating rod 7.2 and its stirring rod 7.1 can be adjusted, the stirring area is changed, and the multiple rotating rods 7.2 stir the solvent oil at the same time, which greatly improves the mixing efficiency of paraffin and solvent oil, and the mixing is more uniform;

[0019] Specifically, a bevel gear 1 7.7 and a plurality of bevel gear 2 7.5 are provided in the gear transmission box 7.4, the bevel gear 2 7.5 and the bevel gear 1 7.7 are meshed with each other, the bevel gear 1 7.7 is coaxially arranged with the rotating shaft 9, and the bevel gear 2 7.5 is coaxially arranged with the rotating rod 7.2, that is, the rotating shaft 9 drives the bevel gear 1 7.7 to rotate, and the bevel gear 1 7.7 drives the plurality of bevel gear 2 7.5 to rotate synchronously;

[0020] Furthermore, the upper part of the outer wall of the tank body 2 is connected with a liquid inlet pipe 6 to facilitate the entry of solvent oil, and the bottom of the tank body 2 is connected with a liquid outlet pipe 5, and both the liquid outlet pipe 5 and the liquid inlet pipe 6 are equipped with valves;

[0021] Furthermore, the rotating shaft 9 and the rotating rod 7.2 are both rotatably connected to the gear transmission box 7.4;

[0022] In addition, a tank cover 1 is hingedly connected to the upper portion of the tank body 2 for easy opening or closing, and three supporting legs 3 are evenly arranged around the lower portion of the tank body 2 .

[0023] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended to include all changes that fall within the meaning and scope of equivalent elements in the content of the present invention.

Claims

1. A paraffin fusion device, comprising a tank body (2), characterized in that: A spiral heating wire (8) is provided at the lower part of the tank body (2) close to the inner wall thereof, a variable frequency motor (4) is provided at the bottom of the tank body (2), the output shaft of the variable frequency motor (4) is connected to a rotating shaft (9) extending into the tank body (2), the shaft body of the rotating shaft (9) is provided with a stirring structure (7), the stirring structure (7) comprises a gear transmission box (7.4), the gear transmission box (7.4) drives a plurality of rotating rods (7.2) to rotate, a plurality of stirring rods (7.1) are provided at the end of the rotating rod (7.2) away from the rotating shaft (9), a spring (7.3) is further connected between the rotating rod (7.2) and the rotating shaft (9), bearings matching the rotating rod (7.2) and the rotating shaft (9) are respectively provided at both ends of the spring (7.3), the shaft body of the rotating rod (7.2) is further provided with a universal joint (7.6), and the universal joint (7.6) is located between the end of the spring (7.3) and the gear transmission box (7.4).

2. A paraffin fusion device according to claim 1, characterized in that: The gear transmission box (7.4) is provided with a bevel gear 1 (7.7) and a plurality of bevel gear 2s (7.5), the bevel gear 2 (7.5) and the bevel gear 1 (7.7) mesh with each other, the bevel gear 1 (7.7) is coaxially arranged with the rotating shaft (9), and the bevel gear 2 (7.5) is coaxially arranged with the rotating rod (7.2).

3. A paraffin fusion device according to claim 1, characterized in that: The upper portion of the outer wall of the tank body (2) is connected to a liquid inlet pipe (6), and the bottom of the tank body (2) is connected to a liquid outlet pipe (5), and both the liquid outlet pipe (5) and the liquid inlet pipe (6) are equipped with valves.

4. A paraffin fusion device according to claim 1, characterized in that: The rotating shaft (9) and the rotating rod (7.2) are both rotatably connected to the gear transmission box (7.4).

5. A paraffin fusion device according to claim 1, characterized in that: A tank cover (1) is hingedly connected to the upper portion of the tank body (2).

6. A paraffin fusion device according to claim 1, characterized in that: Three supporting legs (3) are evenly arranged around the lower part of the tank body (2).

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