Centrifuge drum sealing device

Abstract

The utility model discloses a centrifugal machine drum sealing device which comprises a rotating shaft, a drum fixedly connected to the rotating shaft, a bolt hole formed in the rotating shaft, a first blocking piece movably connected to the upper surface of the rotating shaft, a first sealing gasket movably connected to the upper surface of the first blocking piece, and a fixing bolt in threaded connection with the bolt hole. The fixing bolt is movably connected with a second blocking piece, the fixing bolt is movably connected with a second sealing gasket, through cooperation of the two blocking pieces and the two sealing gaskets, the sealing performance of the fixing bolt of the rotary drum can be improved, liquid can be effectively prevented from leaking from the bolt in the operation process of a centrifugal machine, the pollution risk is reduced, and cleanliness and safety of the working environment are guaranteed; through cooperation of the rotating shaft, the bolt hole, the rotating drum and the fixing bolt, the sealing structure is installed through a simple structure, so that the process of replacing the sealing gasket is quicker and simpler, the maintenance cost is reduced, and it is ensured that the sealing gasket is always kept in a good working state.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifuge technical field, especially centrifuge drum sealing device. BACKGROUND

[0002] The working principle of centrifuge is to separate solid and liquid in mixture through rotation generated centrifugal force. In this process, the main function of drum sealing device is to maintain the pressure inside the equipment, prevent liquid or gas leakage, so as to ensure the effectiveness and safety of separation process, but the existing drum is fixed through simple bolt, but bolt fixing has no sealing device, therefore there may be a risk of leakage, such as China disclosed "a new centrifuge drum device", its application number is: "CN202122530683.X", its through rotary installation cover, installation cover will drive sealing cover from drum body, and then lose the sealing of drum body, at this time, the user can clean the drum body, accelerate the efficiency of cleaning drum body, but it can not improve the sealing of drum fixed bolt, so as to prevent liquid from leaking from bolt during the operation of centrifuge, it can not replace sealing gasket conveniently, so as to reduce maintenance cost and ensure that sealing gasket always maintains good working condition. SUMMARY

[0003] The utility model discloses a centrifuge drum sealing device, through the cooperation of two baffles and two sealing pads, the sealing of the drum fixed bolt can be improved, liquid leakage from the bolt during the operation of the centrifuge can be effectively prevented, the pollution risk can be reduced, the clean and safe working environment can be ensured, through the cooperation of the rotating shaft, the bolt hole, the drum and the fixed bolt, the sealing structure is installed through simple structure, the process of replacing the sealing pad becomes more fast and simple, the manpower and time cost can be reduced, the maintenance cost can be reduced, and the sealing pad can always maintain good working condition.

[0004] This utility model also provides a centrifuge drum sealing device as described above, comprising: a rotating shaft, a rotating drum fixedly connected to the rotating shaft, a bolt hole provided on the rotating shaft, a first baffle movably connected to the upper surface of the rotating shaft, a first sealing gasket movably connected to the upper surface of the first baffle, a fixing bolt threadedly connected to the bolt hole, a second baffle movably connected to the fixing bolt, and a second sealing gasket movably connected to the fixing bolt. Through the cooperation of the two baffles and the two sealing gaskets, the sealing performance at the fixing bolt of the rotating drum can be improved, effectively preventing liquid leakage from the bolt during centrifuge operation, reducing the risk of contamination, and ensuring a clean and safe working environment. Through the cooperation of the rotating shaft, bolt hole, rotating drum, and fixing bolt, and the simple structural installation of the sealing structure, the process of replacing the sealing gasket becomes quicker and simpler, reducing labor and time costs, thereby lowering maintenance costs and ensuring that the sealing gasket always maintains a good working condition.

[0005] According to the centrifuge drum sealing device of this utility model, the first sealing gasket is movably connected to the drum, and the second sealing gasket is movably connected to the drum, which can effectively improve the sealing performance.

[0006] According to the centrifuge drum sealing device of this utility model, the second sealing gasket is movably connected to the second baffle. The first sealing gasket and the second sealing gasket are made of silicone rubber, which has high elasticity and wear resistance, and extends service life.

[0007] According to the centrifuge drum sealing device of this utility model, the fixing bolt is movably connected to the first sealing gasket and the fixing bolt is movably connected to the first baffle. The simple structure of the sealing device makes the process of replacing the sealing gasket faster and simpler.

[0008] According to the present invention, a centrifuge drum sealing device is provided, wherein the fixing bolt is movably connected to the drum and the fixing bolt is movably connected to the rotating shaft. The simple structure of the sealing device makes the process of replacing the sealing gasket quicker and simpler.

[0009] According to the centrifuge drum sealing device of this utility model, the upper section of the fixing bolt is a cylinder and the lower section of the fixing bolt is a bolt, which can improve the wear of the sealing gasket.

[0010] According to the centrifuge drum sealing device of the present invention, the second baffle and the second sealing gasket are located on the cylinder, which can reduce wear, and the drum is fixedly connected to the rotating shaft by fixing bolts.

[0011] According to the present invention, a centrifuge drum sealing device has a rounded inner edge and an arc-shaped upper side of the second baffle. The diameter of the second baffle is larger than that of the cylinder inside the drum, which can reduce the possibility of material jamming.

[0012] Beneficial effects

[0013] 1. Compared with existing technologies, this new centrifuge drum sealing device, through the cooperation of two baffles and two sealing gaskets, can improve the sealing performance at the drum fixing bolts, effectively prevent liquid leakage from the bolts during centrifuge operation, reduce the risk of pollution, and ensure a clean and safe working environment.

[0014] 2. Compared with existing technologies, this new centrifuge drum sealing device, through the cooperation of the rotating shaft, bolt holes, drum and fixing bolts, and the simple structural installation of the sealing structure, makes the process of replacing the sealing gasket faster and simpler, which can reduce labor and time costs, thereby reducing maintenance costs and ensuring that the sealing gasket always maintains a good working condition. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of the centrifuge drum sealing device of this utility model;

[0017] Figure 2 This is an exploded structural diagram of the centrifuge drum sealing device of this utility model;

[0018] Figure 3 This is a schematic diagram of the shaft connection structure of the centrifuge drum sealing device of this utility model;

[0019] Figure 4 This is a schematic diagram of the fixing bolt connection structure of the centrifuge drum sealing device of this utility model.

[0020] Legend:

[0021] 1. Rotating shaft; 2. Bolt hole; 3. First baffle; 4. First sealing gasket; 5. Rotating drum; 6. Fixing bolt; 7. Second baffle; 8. Second sealing gasket. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] ReferenceFigure 1 , Figure 2 and Figure 4 This utility model discloses a centrifuge drum sealing device, comprising: a rotating shaft 1, a rotating drum 5 fixedly connected to the rotating shaft 1, the inner edge of the rotating drum 5 being rounded to prevent material from getting stuck, a first baffle 3 movably connected to the upper surface of the rotating shaft 1 to block and fix a first sealing gasket 4, the upper surface of the first baffle 3 being movably connected to the first sealing gasket 4 for sealing, the first sealing gasket 4 being movably connected to the rotating drum 5, a fixing bolt 6 threadedly connected to the bolt hole 2 for fixing the entire device, a second baffle 7 movably connected to the fixing bolt 6, a second sealing gasket 8 movably connected to the fixing bolt 6 for sealing, the second sealing gasket 8 being movably connected to the rotating drum 5, and the second sealing gasket 8 being movably connected to the second baffle 7, the first sealing gasket 4 and the second sealing gasket 8 being made of silicone rubber.

[0024] Specifically, firstly, a first baffle 3 is placed on the rotating shaft 1, and a first sealing gasket 4 is placed on the first baffle 3. Through the clamping action of the rotating shaft 1 and the rotating drum 5, force is applied to the first baffle 3 and the first sealing gasket 4, thereby clamping and fixing the first baffle 3 and the first sealing gasket 4, and sealing one side of the rotating drum 5 through the first baffle 3 and the first sealing gasket 4. Then, a second sealing gasket 8 is placed on the rotating drum 5, and a second baffle 7 is placed on the second sealing gasket 8. Then, through the clamping action of the fixing bolt 6 and the rotating drum 5, force is applied to the second baffle 7 and the second sealing gasket 8, thereby clamping and fixing the second baffle 7 and the second sealing gasket 8, and sealing the other side of the rotating drum 5 through the second baffle 7 and the second sealing gasket 8.

[0025] Reference Figure 2 , Figure 3 and Figure 4 The rotating shaft 1 is provided with bolt holes 2, and a fixing bolt 6 is threadedly connected to the bolt holes 2. The fixing bolt 6 is movably connected to the first sealing gasket 4, the first baffle 3, the rotating drum 5, and the rotating shaft 1. The upper part of the fixing bolt 6 is cylindrical, and the second baffle 7 and the second sealing gasket 8 are located on the cylinder. The lower part of the fixing bolt 6 is a bolt, and the second baffle 7 is movably connected to the fixing bolt 6. The upper side of the second baffle 7 is arc-shaped, and the diameter of the second baffle 7 is larger than that of the cylinder inside the rotating drum 5. The second sealing gasket 8 is movably connected to the fixing bolt 6. The rotating drum 5 is fixedly connected to the rotating shaft 1 through the fixing bolt 6.

[0026] Specifically, the fixing bolt 6 passes through the second baffle 7, the second sealing gasket 8, the rotating drum 5, the first sealing gasket 4, and the first baffle 3 in sequence, and is locked in the bolt hole 2 on the rotating shaft 1. The second baffle 7 and the second sealing gasket 8 are fixed by the clamping action of the fixing bolt 6 and the rotating drum 5. The rotating drum 5 is fixed by the fixing bolt 6 and the rotating shaft 1. The first sealing gasket 4 and the first baffle 3 are fixed by the action of the rotating drum 5 and the rotating shaft 1. The entire device can be disassembled by removing the fixing bolt 6, so that the two sealing gaskets can be replaced.

[0027] Working principle: In use, a first baffle 3 is placed on the rotating shaft 1, and a first sealing gasket 4 is placed on the first baffle 3. Then, the rotating drum 5 is placed on the first sealing gasket 4. A second baffle 7 is placed on the fixing bolt 6, and a second sealing gasket 8 is placed on the lower side of the second baffle 7. Specifically, the fixing bolt 6 passes through the second baffle 7, the second sealing gasket 8, the rotating drum 5, the first sealing gasket 4, and the first baffle 3 in sequence, and is then locked in the bolt hole 2 on the rotating shaft 1, thereby fixing the second baffle 7, the second sealing gasket 8, the rotating drum 5, the first sealing gasket 4, and the first baffle 3. The first sealing gasket 4 and the second sealing gasket 8 are pressed together by the thread action to ensure the sealing effect.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A centrifuge bowl seal apparatus, comprising: Include: The rotating shaft (1), the rotating drum (5) is fixedly connected on the rotating shaft (1), the bolt hole (2) is arranged on the rotating shaft (1), the first baffle (3) is movably connected on the upper surface of the rotating shaft (1), the first sealing pad (4) is movably connected on the upper surface of the first baffle (3), the fixed bolt (6) is threadedly connected on the bolt hole (2), the second baffle (7) is movably connected on the fixed bolt (6), the second sealing pad (8) is movably connected on the fixed bolt (6).

2. A centrifuge bowl seal apparatus as claimed in claim 1, wherein, The first sealing pad (4) is movably connected with the rotating drum (5), and the second sealing pad (8) is movably connected with the rotating drum (5).

3. A centrifuge bowl seal assembly according to claim 1 wherein, The second sealing pad (8) is movably connected with the second baffle (7), and the material of the first sealing pad (4) and the second sealing pad (8) is silicone rubber.

4. A centrifuge bowl seal apparatus as claimed in claim 1, wherein, The fixed bolt (6) is movably connected with the first sealing pad (4), and the fixed bolt (6) is movably connected with the first baffle (3).

5. A centrifuge bowl seal apparatus as claimed in claim 1, wherein, The fixed bolt (6) is movably connected with the rotating drum (5), and the fixed bolt (6) is movably connected with the rotating shaft (1).

6. A centrifuge bowl seal apparatus as claimed in claim 1, wherein, The upper section of the fixed bolt (6) is a cylinder, and the lower section of the fixed bolt (6) is a bolt.

7. A centrifuge bowl seal apparatus as claimed in claim 1, wherein, The second baffle (7) and the second sealing pad (8) are located on the cylinder, and the rotating drum (5) is fixedly connected with the rotating shaft (1) through the fixed bolt (6).

8. A centrifuge bowl seal apparatus as claimed in claim 1, wherein, The inner side edge of the rotating drum (5) is a round angle, the upper side of the second baffle (7) is an arc, and the diameter of the second baffle (7) is greater than the cylinder in the rotating drum (5).

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