CN210371231U

CN210371231U - Double-chamber centrifugal vacuum pump

Info

Publication number: CN210371231U
Application number: CN201921482275.8U
Authority: CN
Inventors: 方祥军; 韩鹰; 任鹏; 王斌; 王一川
Original assignee: Hangzhou Liborai Aviation Technology Co Ltd
Current assignee: Hangzhou Liborai Aviation Technology Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-04-21
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a two room centrifugal vacuum pumps belongs to centrifugal vacuum pump technical field, including the oil tank, its characterized in that: one side of the upper part of the oil tank is provided with a motor, one side of the upper part of the oil tank, which is far away from the motor, is provided with a gear box, an output shaft of the motor is connected with a driving shaft of the gear box through a coupling, one side of the gear box, which is near to the motor, is provided with a first air exhaust chamber, one side of the gear box, which is far away from the motor, is provided with a second air exhaust chamber, one side of the first air exhaust chamber, which is far away from the gear box, is provided with a first air exhaust port, the top of the first air exhaust chamber is provided with a second air exhaust port, the top of, under the unchangeable prerequisite of total power, total work efficiency can not receive the influence, compares in the increase motor power of a flavor in order to promote the evacuation effect, the utility model discloses a two room designs handle more abundant to unnecessary gas, the moisture that the paper is infected with to can not reduce the off-the-shelf quality of paper.

Description

Double-chamber centrifugal vacuum pump

Technical Field

The utility model relates to a centrifugal vacuum pump technical field specifically is a two room centrifugal vacuum pump.

Background

The vacuum pump is a device for extracting air from a container by using mechanical, physical, chemical, physical and chemical methods and the like to obtain or maintain vacuum, in the paper making industry, redundant gas and moisture which are polluted by paper in the production process need to be discharged, the vacuum pump is widely applied, in the application process, the vacuum pump is transited from a water ring vacuum pump to a centrifugal vacuum pump, the existing centrifugal vacuum pump mainly adopts a single-chamber structure, namely, the vacuum pumping work is completed through the cooperation of a unique vacuum pumping chamber and a gear box, but the single-chamber structure also means that the vacuum pumping process can be performed only once in a limited time, the effect is not ideal, if the vacuum pumping effect is further enhanced, the rotating speed transmitted from the gear box to an impeller needs to be increased, the consumption of electric energy is undoubtedly increased, and even the paper quality is possibly adversely affected by excessively strong extraction conditions in a short time, therefore, there is a need for a centrifugal vacuum pump that is more efficient and effective without excessive power consumption.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a two room centrifugal vacuum pump.

A double-chamber centrifugal vacuum pump comprises an oil tank and is characterized in that: the oil tank is characterized in that a motor is arranged on one side of the upper portion of the oil tank, a gear box is arranged on one side of the motor far away from the upper portion of the oil tank, an output shaft of the motor is connected with a driving shaft of the gear box through a coupler, a first air exhaust chamber is arranged on one side, close to the motor, of the gear box, and a second air exhaust chamber is arranged on one side, far away from the motor, of.

Furthermore, a first air exhaust port is formed in one side, far away from the gear box, of the first air exhaust chamber, a first air exhaust port is formed in the top of the first air exhaust chamber, a second air exhaust port is formed in one side, far away from the gear box, of the second air exhaust chamber, and a second air exhaust port is formed in the top of the second air exhaust chamber.

Furthermore, a first air exhaust pipeline is arranged at the end part of the first air exhaust opening, a first exhaust pipeline is arranged at the end part of the first exhaust opening, a second air exhaust pipeline is arranged at the end part of the second air exhaust opening, a second exhaust pipeline is arranged at the end part of the second exhaust opening, a connecting pipeline is arranged between the first exhaust pipeline and the second exhaust pipeline, and the first air exhaust pipeline and the second air exhaust pipeline are respectively connected with a container to be vacuumized.

Further, the gear box is close to motor one side sets up the main oil pump, the oil tank is far away gear box one side sets up the assistance oil pump, main oil pump one side sets up the second and advances oil pipe, the main oil pump with the second advances oil pipe relative one side and sets up the second and return oil pipe, assistance oil pump one side upper portion sets up out oil pipe, the assistance oil pump with it sets up first time oil pipe to go out oil pipe homonymy lower part, the second return oil pipe, first time oil pipe all with oil tank fixed connection.

Further, oil tank one side sets up the transition jar, the transition jar is close assist oil pump one end with go out oil pipe fixed connection, the transition jar is close main oil pump one end sets up first into oil pipe, first advance oil pipe with gear box fixed connection.

Furthermore, a pressurization tank is arranged between the transition tank and the first oil inlet pipe.

Furthermore, a supporting seat is arranged below the second air pumping chamber, a supporting rod is arranged on the upper portion of the supporting seat, the bottom of the second air pumping chamber is fixedly connected with the top of the supporting rod, and the supporting seat is fixedly arranged on one side of the oil tank.

The utility model discloses a two room centrifugal vacuum pump's beneficial effect does:

1. the first air exhaust chamber and the second air exhaust chamber can work simultaneously, a connecting pipeline is arranged between the first exhaust pipeline and the second air exhaust pipeline, redundant gas from the first air exhaust chamber can be mixed with redundant gas extracted from the interior of a container to be vacuumized from the second air exhaust chamber, although the respective working efficiency of the first air exhaust chamber and the second air exhaust chamber is reduced to a certain extent, under the premise that the total power is unchanged, the total working efficiency cannot be influenced, and compared with the increase of the motor power for improving the vacuumizing effect, the utility model discloses a double-chamber design can more fully treat redundant gas and moisture infected by paper, and can not reduce the quality of a finished paper product;

2. the double oil inlet pipe design of the first oil inlet pipe and the second oil inlet pipe realizes the high-efficiency circulation of the vacuum pump oil, and compared with the traditional vacuum pump, the double oil inlet pipe vacuum pump oil pump can obtain better sealing and lubricating effects;

3. the support effect of the support rod on the second air pumping chamber effectively ensures the stability of the second air pumping chamber.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

Fig. 1 is a schematic structural view of a dual-chamber centrifugal vacuum pump of the present invention;

fig. 2 is a front view of a dual-chamber centrifugal vacuum pump of the present invention.

The system comprises a first exhaust port, a second exhaust chamber, a first oil inlet pipe, a first oil tank, a second oil tank, a pressurizing tank, a second oil inlet pipe, a transition tank, a first oil outlet pipe, a first oil return pipe, a second oil return pipe, a first oil return pipe, a second.

Detailed Description

For the sake of clarity, the dual chamber centrifugal vacuum pump of the present invention will be further described with reference to fig. 1 to 2 of the drawings attached to the specification.

A kind of double-chamber centrifugal vacuum pump, including the oil tank 5, characterized by that: the air pump is characterized in that a motor 12 is arranged on one side of the upper portion of the oil tank 5, a gear box 15 is arranged on one side, far away from the upper portion of the oil tank 5, of the motor 12, an output shaft of the motor 12 is connected with a driving shaft of the gear box 15 through a coupler 20, the gear box 15 is close to a first air extracting chamber 16 arranged on one side of the motor 12, and a second air extracting chamber 3 is arranged on one side, far away from the motor 12, of the.

Further, a first air exhaust opening 14 is formed in one side, far away from the gear box 15, of the first air exhaust chamber 16, a first exhaust opening 17 is formed in the top of the first air exhaust chamber 16, a second air exhaust opening 2 is formed in one side, far away from the gear box 15, of the second air exhaust chamber 3, and a second exhaust opening 1 is formed in the top of the second air exhaust chamber 3.

Furthermore, a first air exhaust pipeline is arranged at the end part of the first air exhaust port 14, a first exhaust pipeline is arranged at the end part of the first exhaust port 17, a second air exhaust pipeline is arranged at the end part of the second air exhaust port 2, a second exhaust pipeline is arranged at the end part of the second exhaust port 1, a connecting pipeline is arranged between the first exhaust pipeline and the second air exhaust pipeline, and the first air exhaust pipeline and the second air exhaust pipeline are respectively connected with a container to be vacuumized.

Further, the gear box 15 is nearly motor 12 one side sets up main oil pump 13, the oil tank 5 is far away gear box 15 one side sets up assists oil pump 11, main oil pump 13 one side sets up the second and advances oil pipe 7, main oil pump 13 with the second advances oil pipe 7 relative one side and sets up the second and return oil pipe, assist oil pump 11 one side upper portion and set up out oil pipe 9, assist oil pump 11 with it sets up first time oil pipe 10 to go out oil pipe 9 homonymy lower part, second return oil pipe, first time oil pipe 10 all with oil tank 5 fixed connection.

Further, 5 one side of oil tank sets up transition jar 8, transition jar 8 is nearly assist oil pump 11 one end with go out oil pipe 9 fixed connection, transition jar 8 is nearly 13 one end of main oil pump sets up first into oil pipe 4, first into oil pipe 4 with 15 fixed connection of gear box.

Further, a pressurizing tank 6 is arranged between the transition tank 8 and the first oil inlet pipe 4.

Further, a supporting seat 19 is arranged below the second air pumping chamber 3, a supporting rod 18 is arranged on the upper portion of the supporting seat 19, the bottom of the second air pumping chamber 3 is fixedly connected with the top of the supporting rod 18, and the supporting seat 19 is fixedly arranged on one side of the oil tank 5.

The utility model discloses a theory of operation of two rooms centrifugal vacuum pump does: a first air exhaust pipeline is arranged at the end part of a first air exhaust port 14, a first exhaust pipeline is arranged at the end part of a first exhaust port 17, a second air exhaust pipeline is arranged at the end part of a second air exhaust port 2, a second exhaust pipeline is arranged at the end part of a second exhaust port 1, a connecting pipeline is arranged between the first exhaust pipeline and the second air exhaust pipeline, the first air exhaust pipeline and the second air exhaust pipeline are respectively connected with a container to be vacuumized, a motor 12 is started, the first air exhaust chamber 16 and the second air exhaust chamber 3 can start vacuumization, meanwhile, an auxiliary oil pump 11 supplies oil to a gear box 15 and the first air exhaust chamber 16 and the second air exhaust chamber 3 through an oil outlet pipe 9 and a first oil inlet pipe 4 and a second oil inlet pipe 7 respectively so as to realize sealing and lubrication of internal components, a main oil pump 13 supplies oil to a vacuum pump oil pressure tank 5 through a vacuum pump oil return pipe and the auxiliary oil pump 11 through a second oil return pipe so that the, when the vacuum-pumping container is vacuumized, the motor 12, the main oil pump 13 and the auxiliary oil pump 11 can be closed.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A double-chamber centrifugal vacuum pump comprising an oil tank (5), characterized in that: oil tank (5) upper portion one side sets up motor (12), oil tank (5) upper portion is far away motor (12) one side sets up gear box (15), the output shaft of motor (12) with the driving shaft of gear box (15) passes through shaft coupling (20) and connects, gear box (15) are nearly motor (12) one side sets up first aspiration chamber (16), gear box (15) are far motor (12) one side sets up second aspiration chamber (3).

2. A dual chamber centrifugal vacuum pump according to claim 1, wherein the first pumping chamber (16) is provided with a first pumping port (14) at a side away from the gear box (15), a first exhaust port (17) is provided at a top of the first pumping chamber (16), a second pumping port (2) is provided at a side away from the gear box (15) of the second pumping chamber (3), and a second exhaust port (1) is provided at a top of the second pumping chamber (3).

3. A double-chamber centrifugal vacuum pump according to claim 2, characterized in that a first air exhaust pipeline is arranged at the end of the first air exhaust port (14), a first air exhaust pipeline is arranged at the end of the first air exhaust port (17), a second air exhaust pipeline is arranged at the end of the second air exhaust port (2), a second air exhaust pipeline is arranged at the end of the second air exhaust port (1), a connecting pipeline is arranged between the first air exhaust pipeline and the second air exhaust pipeline, and the first air exhaust pipeline and the second air exhaust pipeline are respectively connected with a container to be evacuated.

4. A double-chamber centrifugal vacuum pump according to claim 1, wherein a main oil pump (13) is disposed on a side of the gear box (15) close to the motor (12), an auxiliary oil pump (11) is disposed on a side of the oil tank (5) far from the gear box (15), a second oil inlet pipe (7) is disposed on a side of the main oil pump (13), a second oil return pipe is disposed on a side of the main oil pump (13) opposite to the second oil inlet pipe (7), an oil outlet pipe (9) is disposed on an upper portion of a side of the auxiliary oil pump (11), a first oil return pipe (10) is disposed on a lower portion of the auxiliary oil pump (11) and on a same side of the oil outlet pipe (9), and both the second oil return pipe and the first oil return pipe (10) are fixedly connected to the oil tank (5).

5. A double-chamber centrifugal vacuum pump according to claim 4, characterized in that a transition tank (8) is arranged on one side of the oil tank (5), one end of the transition tank (8) near the auxiliary oil pump (11) is fixedly connected with the oil outlet pipe (9), one end of the transition tank (8) near the main oil pump (13) is provided with a first oil inlet pipe (4), and the first oil inlet pipe (4) is fixedly connected with the gear box (15).

6. A double chamber centrifugal vacuum pump according to claim 5, characterized in that a pressurizing tank (6) is provided between the transition tank (8) and the first oil inlet pipe (4).

7. A double-chamber centrifugal vacuum pump according to claim 1, characterized in that a support (19) is arranged below the second pumping chamber (3), a support rod (18) is arranged on the upper portion of the support (19), the bottom of the second pumping chamber (3) is fixedly connected with the top of the support rod (18), and the support (19) is fixedly arranged on one side of the oil tank (5).