CN215313180U - Self-cooling box body for butterfly centrifuge - Google Patents

Abstract

The utility model discloses a self-cooling box body for a butterfly centrifuge, which comprises a box body, wherein the box body is of a gyro-shaped structure, a rotary drum is arranged at the inner top of the box body, a vertical shaft is fixed at the bottom of the rotary drum, a motor is fixed on the inner bottom surface of the box body, the other end of the vertical shaft is connected with an output shaft of the motor through a coupler, air suction ports are annularly and uniformly distributed in the middle of the box body, an air outlet is arranged right above the air suction ports, a first chamber and a second chamber are respectively arranged on the inner side surface of the box body, and the first chamber is connected with the second chamber through an air flow channel. This self-cooling box for butterfly centrifuge simple structure, the modern design, convenient to use has improved cooling efficiency and cooling effect greatly, has reduced the bearing cavity temperature simultaneously by a wide margin, has prolonged bearing life.

Description

Self-cooling box body for butterfly centrifuge

Technical Field

The utility model belongs to the technical field of butterfly centrifuges, and particularly relates to a self-cooling box body for a butterfly centrifuge.

Background

The disc centrifuge is applied to many occasions in China, wherein the most common problem of the disc centrifuge in the long-term operation process is that a bearing is easy to damage, so that the bearing is damaged for many reasons, and particularly, the upper bearing is easy to damage due to large diameter and high linear speed. The main reasons are two, namely water is fed into the oil tank, and insufficient cooling is achieved. The butterfly centrifuge drives the rotary drum body to rotate at a high speed by the high-speed rotating shaft in the use process, and a large amount of hot air is generated in the long-time running process, so that the internal temperature of the whole box body is increased, but most of machine body cases are cooled by natural cooling at present, and the high-speed rotation can not generate very much heat to be dissipated. A self-cooling box body is designed to greatly improve the cooling problem of the box body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-cooling box body for a butterfly centrifuge, which aims to solve the problems that the existing butterfly centrifuge is low in cooling efficiency and poor in cooling effect, and the service life of a bearing is short.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a self-cooling box for butterfly centrifuge, includes box main body, box main body is top column structure, box main body's interior top is equipped with the rotary drum, the bottom of rotary drum is fixed with the vertical scroll, box main body's interior bottom surface is fixed with the motor, the other end of vertical scroll is connected with the output shaft of motor through the shaft coupling, box main body's middle part annular equipartition has the inlet scoop, be equipped with the air exit directly over the inlet scoop, box main body's medial surface is equipped with first cavity and second cavity respectively, first cavity is connected with the second cavity through air flow channel.

Preferably, inlet scoop and air exit correspond with first cavity and second cavity respectively and are connected, inlet scoop and air exit all are equipped with eight, and are the circular structure of diameter 24 millimeters.

Preferably, the shaft coupling is fixed at the top of the motor, a bearing chamber is arranged at the top of the shaft coupling, a limiting block is arranged at the top of the bearing chamber, the limiting block is fixed on the box body through bolts, a bearing is arranged on the inner top surface of the bearing chamber, and the vertical shaft penetrates through the limiting block, the bearing chamber, the bearing and the shaft coupling.

Preferably, the rotary drum, the vertical shaft, the bearing chamber, the bearing, the coupling and the motor are all positioned on a central axis of the box body.

Preferably, the outer diameter of the bearing is not smaller than the inner diameter of the limiting block.

Preferably, the box body is made of stainless steel.

The utility model has the technical effects and advantages that: this self-cooling box for butterfly centrifuge simple structure, the modern design, high durability and convenient use, through setting up the inlet scoop, first cavity, airflow channel, second cavity and air exit, when the rotary drum is high-speed rotatory, according to Bernoulli's principle, outside cold air is constantly inhaled in first cavity, be inhaled the second cavity again afterwards and through the air discharge after the air exit will absorb heat, utilize physics principle natural cooling upper portion bearing cavity, and then improved cooling efficiency and cooling effect greatly, the bearing cavity temperature has been reduced by a wide margin simultaneously, bearing life has been prolonged.

Drawings

Fig. 1 is a vertical sectional view of the present invention.

In the figure: 1. a box body main body; 2. a drum; 3. a vertical shaft; 4. a bearing chamber; 5. a bearing; 6. a coupling; 7. a motor; 8. an air suction opening; 9. an air outlet; 10. an air flow channel; 11. a first chamber; 12. a second chamber; 13. a limiting block; 14. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a self-cooling box body for a butterfly centrifuge, which comprises a box body main body 1, wherein the box body main body 1 is of a gyro-shaped structure, a rotary drum 2 is arranged at the inner top of the box body main body 1, a vertical shaft 3 is fixed at the bottom of the rotary drum 2, a motor 7 is fixed on the inner bottom surface of the box body main body 1, the other end of the vertical shaft 3 is connected with an output shaft of the motor 7 through a coupling 6, air suction ports 8 are annularly and uniformly distributed in the middle of the box body main body 1, an air outlet 9 is arranged right above the air suction ports 8, a first cavity 11 and a second cavity 12 are respectively arranged on the inner side surface of the box body main body 1, and the first cavity 11 is connected with the second cavity 12 through an air flow channel 10.

Furthermore, inlet scoop 8 and air exit 9 correspond with first cavity 11 and second cavity 12 respectively and are connected, inlet scoop 8 and air exit 9 all are equipped with eight, and are the circular structure of diameter 24 millimeters, make things convenient for cold air to get into first cavity 11 from inlet scoop 8, get into second cavity 12 through airflow channel 10 by first cavity 11 again, discharge the air after the heat absorption through air exit 9 at last, realized butterfly centrifuge's autonomic cooling, improved the cooling effect, improved cooling efficiency simultaneously greatly. The shaft coupling 6 is fixed at the top of the motor 7, the top of the shaft coupling 6 is provided with the bearing chamber 4, the top of the bearing chamber 4 is provided with the limiting block 13, the limiting block 13 is fixed on the box body 1 through the bolt 14, the bearing 5 is arranged on the inner top surface of the bearing chamber 4, the vertical shaft 3 penetrates through the limiting block 13, the bearing chamber 4, the bearing 5 and the shaft coupling 6, the motor 7 and the vertical shaft 3 are convenient to drive the rotary drum 2 to rotate at a high speed, and then outside air is continuously sucked into the first cavity 11.

It is worth mentioning that the rotary drum 2, the vertical shaft 3, the bearing chamber 4, the bearing 5, the coupler 6 and the motor 7 are all positioned on the central axis of the box body main body 1, which is beneficial to improving the structural stability and preventing the rotary drum 2 from shaking in the high-speed rotation process. The outer diameter of the bearing 5 is not smaller than the inner diameter of the limiting block 13, so that the bearing 5 and the vertical shaft 3 are prevented from being separated from the bearing chamber 4 due to high-speed rotation, and the structural stability and the safety are improved. The box body 1 is made of stainless steel, has the advantages of hard texture, heat resistance and corrosion resistance, and is beneficial to prolonging the service life of the box body 1.

The working principle is as follows: when the self-cooling box body for the butterfly centrifuge is used, firstly, the motor 7 drives the vertical shaft 3 to rotate, then the vertical shaft 3 drives the rotary drum 2 to rotate, rotary airflow is generated when the rotary drum 2 rotates at a high speed, high-speed airflow is generated in the lower cavity, according to the Bernoulli principle, high-speed airflow is generated in the cavity, external air is relatively static, internal pressure intensity is relatively low compared with external pressure intensity, air is continuously sucked into the first cavity 11, the linear speed of air in the second cavity 12 is higher compared with that in the first cavity 11, the pressure intensity in the second cavity 12 is relatively low, airflow in the first cavity 11 is sucked into the second cavity 12, and finally, air is exhausted out of the atmosphere through the air outlet 9. Thus, a large amount of cold air is sucked in a circulating manner, and the upper bearing is cooled continuously, so that the upper bearing cavity is cooled naturally by utilizing the physical principle, and the cooling effect is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a self-cooling box for butterfly centrifuge, includes box main part (1), its characterized in that: the utility model discloses a box body, including box body (1), internal top of box body (1) is equipped with rotary drum (2), the bottom of rotary drum (2) is fixed with vertical scroll (3), the interior bottom surface of box body (1) is fixed with motor (7), the other end of vertical scroll (3) is connected with the output shaft of motor (7) through shaft coupling (6), the middle part annular equipartition of box body (1) has inlet scoop (8), be equipped with air exit (9) directly over inlet scoop (8), the medial surface of box body (1) is equipped with first cavity (11) and second cavity (12) respectively, first cavity (11) are connected with second cavity (12) through air current channel (10).

2. A self-cooling casing for a butterfly centrifuge as claimed in claim 1, wherein: inlet scoop (8) and air exit (9) correspond with first cavity (11) and second cavity (12) respectively and are connected, inlet scoop (8) and air exit (9) all are equipped with eight, and are the circular structure of diameter 24 millimeters.

3. A self-cooling casing for a butterfly centrifuge as claimed in claim 1, wherein: the top at motor (7) is fixed in shaft coupling (6), the top of shaft coupling (6) is equipped with bearing chamber (4), the top of bearing chamber (4) is equipped with stopper (13), stopper (13) are fixed on box main part (1) through bolt (14), the interior top surface of bearing chamber (4) is equipped with bearing (5), stopper (13), bearing chamber (4), bearing (5) and shaft coupling (6) setting are run through in vertical scroll (3).

4. A self-cooling box for a butterfly centrifuge as claimed in claim 3, wherein: the rotary drum (2), the vertical shaft (3), the bearing chamber (4), the bearing (5), the coupler (6) and the motor (7) are all located on the central axis of the box body (1).

5. A self-cooling box for a butterfly centrifuge as claimed in claim 4, wherein: the outer diameter of the bearing (5) is not smaller than the inner diameter of the limiting block (13).

6. A self-cooling casing for a butterfly centrifuge as claimed in claim 1, wherein: the box body main body (1) is made of stainless steel.

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