CN213348129U

CN213348129U - Vacuum pump oil mist separator

Info

Publication number: CN213348129U
Application number: CN202022117149.1U
Authority: CN
Inventors: 周元博
Original assignee: Zibo Shuanghuan Vacuum Pump Factory
Current assignee: Zibo Shuanghuan Vacuum Pump Factory
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-04
Anticipated expiration: 2030-09-24

Abstract

The application relates to an oil-mist separator of a vacuum pump, which comprises a gas carrying tank and a filtering mechanism, wherein the filtering mechanism is connected in the gas carrying tank, the gas carrying tank comprises a tank body, a sealing cover and a partition plate, the sealing cover is connected to an opening of the tank body in a flange manner, the partition plate is fixedly connected to the inner wall of one end, close to the sealing cover, of the tank body, the gas carrying tank also comprises a gas inlet pipe and a gas outlet pipe, the gas inlet pipe is communicated with a cavity between the sealing cover and the partition plate, the gas outlet pipe is; the filter mechanism includes that open-ended filter cylinder and filter core are seted up to one end, constructs on the lateral wall of filter cylinder to have protrusion in the screw thread of lateral wall, and filter cylinder open-ended one end threaded connection is in the baffle, and the opening of filter cylinder is close to the space intercommunication of sealed lid one side with the baffle, and the other end threaded fixation of filter cylinder is in the inner wall of the jar body, and the venthole has been seted up to the filter cylinder lateral wall. This application has and filters abundant, the convenient effect of changing of filter core.

Description

Vacuum pump oil mist separator

Technical Field

The present application relates to the field of mechanical vacuum devices, and more particularly, to a vacuum separator.

Background

At present, a large amount of oil mist is generated in the vacuum process, and if the oil mist enters a vacuum pump along with an air-pumped body, a pump rotor and a pump cavity are polluted and damaged, an oil way is blocked, or the pump cannot run. The prevention and filtration of dust, which would cause the seal to fail and leak if it entered the vacuum valve, has become a critical issue to extend the service life of the vacuum system and increase productivity, in which dust-laden vacuum systems an oil mist filter must be used. Under the suction of the vacuum pump, air penetrates through the filter paper and the cotton, and oil is trapped, so that the separation operation process of the gas and the vacuum oil is realized. The filtered vacuum pump oil is recycled along with the oil return pipe, and the discharged oil-free gas is discharged, so that the effects of no pollution and cleanness are achieved.

Chinese patent application with publication number CN205145771U discloses a vacuum pump separator, including the vacuum separator body, be provided with the vacuum space in the separator body, the below in vacuum space is provided with the vacuum pump, the top left side of separator body is provided with the gas-liquid feed valve, the middle part in vacuum space is provided with the gas-liquid separation board, the aperture has evenly been seted up on the gas-liquid separation board, be provided with the film in the aperture, open in the film and establish a crack, be provided with the waste gas aspiration pump directly over the separator body, the top of waste gas aspiration pump is provided with the injection power valve, it has simple structure, convenient to use's characteristics.

In view of the above-mentioned related art, the inventors have considered that the vacuum pump separator has a drawback in that the filter unit of the separator is not conveniently replaced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem of filter equipment change difficulty in the separator, this application provides a vacuum pump oil mist separator.

The application provides a vacuum pump oil mist separator adopts following technical scheme:

a vacuum pump oil mist separator comprises a gas carrying tank and a filtering mechanism, wherein the filtering mechanism is connected in the gas carrying tank, the gas carrying tank comprises a tank body, a sealing cover and a partition plate, the sealing cover is connected to an opening of the tank body in a flange mode, the partition plate is fixedly connected to the inner wall, close to one end of the sealing cover, of the tank body, the gas carrying tank further comprises a gas inlet pipe and a gas outlet pipe, the gas inlet pipe is communicated with a cavity between the sealing cover and the partition plate, the gas outlet pipe is fixedly connected to the side wall, far away from the sealing cover;

open-ended filter cylinder and filter core are seted up to filter mechanism includes one end, the screw thread of protrusion in the lateral wall has been constructed on the lateral wall of filter cylinder, filter cylinder open-ended one end threaded connection is in the baffle, the opening of filter cylinder and the space intercommunication that the baffle is close to sealed lid one side, the other end threaded fixation of filter cylinder is in the inner wall of the jar body, the venthole has been seted up to the filter cylinder lateral wall.

Through adopting above-mentioned technical scheme, the gas that contains the greasy dirt enters into jar internal, and the gas cylinder that strains that contains the filter core can filter the greasy dirt. Because the air filter cylinder is in threaded connection with the partition plate, the sealing cover is opened, the air filter cylinder filled with the filter element can be taken out by rotating the air filter cylinder, and therefore the filter element is convenient to replace.

Optionally, the gas-carrying tank further comprises a gas tank, the gas tank is formed by protruding one end of the side wall of the tank body close to the sealing cover outwards, the gas tank is communicated with the inside of the tank body, the gas tank is located between the partition plate and the sealing cover, the gas inlet pipe is fixedly connected to the gas tank, and the gas inlet pipe is communicated with the inside of the gas tank.

Through adopting above-mentioned technical scheme, be linked together for the intake pipe is direct to be linked together with the lateral wall of the jar body, the intake pipe can have a great pipe diameter to be linked together with the gas tank, and the gas tank is linked together with the lateral wall of the jar body, and then has improved the efficiency of admitting air to filtration efficiency has been improved.

Optionally, the gas filtering cylinder comprises an upper gas filtering cylinder, a lower gas filtering cylinder and a bolt, a plurality of threaded holes are formed in the side walls of the upper gas filtering cylinder and the lower gas filtering cylinder respectively, the bolt is provided with a plurality of threaded holes, and the upper gas filtering cylinder is connected with the lower gas filtering cylinder through the bolt.

By adopting the technical scheme, the rotary bolt can be used for carrying out cobalt jacking on the upper air filtering cylinder and the lower air filtering cylinder, and after the air filtering cylinder is taken out, the rotary bolt can be used for detaching the upper air filtering cylinder from the lower air filtering cylinder, so that a filter element in the air filtering cylinder can be taken out conveniently.

Optionally, a first rubber gasket is fixedly connected to the surface of the lower filter gas cylinder, which is in contact with the upper filter gas cylinder.

By adopting the technical scheme, the first rubber gasket is positioned between the lower filter cylinder and the upper filter cylinder, so that the leakage of oil mist in the filter cylinder to the tank body can be reduced.

Optionally, the air outlet hole has a plurality, the air outlet hole is located on the lateral wall of the air filtering cylinder far away from one end of the sealing cover.

Through adopting above-mentioned technical scheme, the venthole is located and strains on the lateral wall that sealed lid one end was kept away from to the gas cylinder, and the oil mist enters into and strains in the gas cylinder from straining the one end that the gas cylinder is close to sealed lid to can carry out abundant filtration with the oil mist.

Optionally, a protruding table is configured on the gas filter cylinder, and the protruding table is located at one end of the gas filter cylinder close to the partition plate.

Through adopting above-mentioned technical scheme, the protruding platform can prevent to strain the cylinder and fall into the baffle and keep away from the jar internal of sealed lid one side.

Optionally, a second rubber gasket is fixed on one side of the protruding table close to the partition plate, and the second rubber gasket is located on one side of the protruding table close to the partition plate.

Through adopting above-mentioned technical scheme, between second rubber gasket protruding platform and the baffle, can prevent that the oil mist that the baffle is close to sealed lid one side from entering into the jar body that the baffle kept away from sealed lid one side.

Optionally, the sealing cover is fixedly connected with a third rubber gasket, and the third rubber gasket is located on one side of the sealing cover close to the tank body.

Through adopting above-mentioned technical scheme, the third rubber gasket is located between sealed lid and the jar body, can prevent that the oil mist that is close to sealed lid one end in the jar body from entering into in the outside air.

Optionally, a threaded seat is fixedly connected to the bottom wall of the end, away from the sealing cover, of the tank body, and one end, away from the sealing cover, of the air filtering cylinder is connected to the threaded seat in a threaded manner.

Through adopting above-mentioned technical scheme, strain air cylinder and screw thread seat threaded connection, the screw thread seat is fixed on the diapire of the jar body to can fix straining the air cylinder.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the device is provided with the partition plate, the gas filtering cylinder and the filter element, the filter element in the gas filtering cylinder can filter gas containing oil mist, the gas filtering cylinder is in threaded connection with the partition plate, the gas filtering cylinder can be taken out by rotating the gas filtering cylinder, and the operation is simple and convenient;

2. the equipment of this application has set up filter cylinder and lower filter cylinder, goes up to strain gas and passes through a section of thick bamboo bolted connection in lower filter cylinder, rotates the bolt and can carry out the split and fix last filter cylinder and lower filter cylinder to the convenience is to the change of filter core.

Drawings

Fig. 1 is a front view of an oil mist separator of a vacuum pump according to an embodiment of the present application.

Fig. 2 is a sectional view of an oil mist separator of a vacuum pump according to an embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the vacuum pump oil mist separator according to the embodiment of the present application.

Description of reference numerals: 1. a carrier gas tank; 11. a tank body; 12. a sealing cover; 13. an air inlet pipe; 14. an air outlet pipe; 15. a partition plate; 16. a second rubber gasket; 17. a third rubber gasket; 18. a threaded seat; 19. a gas tank; 2. a filtering mechanism; 21. a gas filter cylinder; 211. an upper gas filtering cylinder; 212. a lower gas filtering cylinder; 213. a bolt; 22. a filter element; 23. an air outlet; 24. a first rubber gasket; 25. a protruding platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses vacuum pump oil mist separator. Referring to fig. 1 and 2, the vacuum pump oil mist separator includes a gas carrier tank 1 and a filter mechanism 2, and the filter mechanism 2 is connected in the gas carrier tank 1. The gas-carrying tank 1 comprises a tank body 11, a sealing cover 12, a gas inlet pipe 13 and a gas outlet pipe 14, wherein one end of the tank body 11 is provided with an opening, and the sealing cover 12 is connected to the opening of the tank body 11 in a flange mode. The side wall of the tank body 11 close to one end of the sealing cover 12 is fixedly connected with the air box 19, the air box 19 is communicated with the interior of the tank body 11, and the air inlet pipe 13 is fixedly connected with the air box 19 and communicated with the interior of the air box 19, so that the air inlet efficiency is improved. The air outlet pipe 14 is fixedly connected to the side wall of one end of the tank body 11 far away from the sealing cover 12, the air outlet pipe 14 is communicated with the inside of the tank body 11, and one end of the air outlet pipe 14 far away from the tank body 11 is used for being communicated with an air inlet of a vacuum pump. A baffle plate 15 is coaxially and fixedly connected to the inner wall of the gas-carrying tank 1 close to one end of the sealing cover 12, and the baffle plate 15 is positioned between the gas outlet pipe and the gas tank 19 in the axial direction. The end of the tank body 11 far away from the sealing cover 12 is fixedly connected with a threaded seat 18, and the partition plate 15 and the threaded seat 18 are used for fixing the filtering mechanism 2. The oil mist enters the tank body 11 through the air inlet pipe 13, the filtering mechanism 2 filters the oil mist, and the filtered gas leaves the tank body 11 through the air outlet pipe 14.

Referring to fig. 1 and 2, a third rubber gasket 17 is fixedly attached to the sealing cover 12, and the third rubber gasket 17 is located on a side of the sealing cover 12 close to the can 11, thereby reducing oil mist in the can 11 from leaking into the air.

Referring to fig. 2, the filter mechanism 2 includes a filter cartridge 21 having an opening at one end thereof and a filter element 22, the filter element 22 being disposed in the filter cartridge 21, wherein the side walls of both ends of the filter cartridge 21 are respectively configured with a protruding thread. The open end of the filter cylinder 21 is connected with the partition 15 by screw thread, and the other end is connected with the screw thread seat 18 by screw thread. So that the threaded seat 18 and the partition 15 can fix the filter cartridge 21.

Referring to fig. 2, the filter cylinder 21 is provided with a plurality of air outlet holes 23, and the air outlet holes 23 are formed in the side wall of the filter cylinder 21 at the end away from the sealing cap 12. The oil mist enters the filter element 22 in the filter cartridge 21 through the inlet duct 13, the oil is trapped in the filter element 22 and the gas leaves the filter element 22 through the outlet apertures 23. After the filter cartridge 22 is filtered, the sealing cover 12 is opened, and the filter cartridge 21 is removed and replaced by rotating the filter cartridge 21.

Referring to fig. 3, a protruding boss 25 is formed on the filter cartridge 21 at a position adjacent to the sealing cap 12, and a second rubber gasket 16 is fixedly attached to one side of the partition plate 15 adjacent to the sealing cap 12. The second rubber gasket 16 can block the oil mist from spreading to the other side of the separator 15.

Referring to fig. 3, the filter cylinder 21 includes an upper filter cylinder 211, a lower filter cylinder 212, and a bolt 213, wherein the side walls of the upper filter cylinder 211 and the lower filter cylinder 212 are respectively opened with a screw hole, and the screw holes of the upper filter cylinder 211 and the lower filter cylinder 212 are on the same axis. The upper and

lower filter cylinders

211 and 212 are connected by a bolt 213. The upper and

lower filter cylinders

211 and 212 can be detached and fixed by rotating the bolts 213, thereby facilitating replacement of the filter cartridge 22 therein.

Referring to fig. 3, the first rubber gasket 24 is fixedly connected to the surface of the upper filter cylinder 211 contacting the lower filter cylinder 212, so that the upper filter cylinder 211 and the lower filter cylinder 212 are connected more tightly, and gas leakage is reduced.

The implementation principle of the vacuum pump separator in the embodiment of the application is as follows: the oil mist enters the tank 11 through the inlet pipe 13, and is discharged out of the tank 11 through the outlet pipe 14 by being filtered by the filter element 22 in the filter cartridge 21. The upper filter cylinder 211 and the lower filter cylinder 212 can be disassembled by rotating the bolt 213, so that the filter element 22 can be conveniently replaced. Since the filter cartridge 21 is screw-coupled to the partition 15, the filter cartridge 21 can be taken out by rotating the filter cartridge 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A vacuum pump oil mist separator which is characterized in that: the air-carrying tank comprises an air-carrying tank (1) and a filtering mechanism (2), wherein the filtering mechanism (2) is connected in the air-carrying tank (1), the air-carrying tank (1) comprises a tank body (11), a sealing cover (12) and a partition plate (15), the sealing cover (12) is connected to an opening of the tank body (11) in a flange mode, the partition plate (15) is fixedly connected to the inner wall of one end, close to the sealing cover (12), of the tank body (11), the air-carrying tank (1) further comprises an air inlet pipe (13) and an air outlet pipe (14), the air inlet pipe (13) is communicated with a cavity between the sealing cover (12) and the partition plate (15), the air outlet pipe (14) is fixedly connected to the side wall, far away from the sealing cover (12), of the tank body;

open-ended filter cylinder (21) and filter core (22) are seted up including one end to filter mechanism (2), it has the protrusion in the screw thread of lateral wall to construct on the lateral wall of filter cylinder (21), filter cylinder (21) open-ended one end threaded connection is in baffle (15), the opening of filter cylinder (21) and baffle (15) are close to the space intercommunication of sealed lid (12) one side, the other end threaded fixation of filter cylinder (21) is in the inner wall of the jar body (11), venthole (23) have been seted up to filter cylinder (21) lateral wall.

2. A vacuum pump oil mist separator as claimed in claim 1, wherein: the gas-carrying tank (1) further comprises a gas tank (19), wherein the gas tank (19) is formed by protruding one end, close to the sealing cover (12), of the side wall of the tank body (11) outwards, the gas tank (19) is communicated with the inside of the tank body (11), the gas tank (19) is located between the partition plate (15) and the sealing cover (12), the gas inlet pipe (13) is fixedly connected to the gas tank (19), and the gas inlet pipe (13) is communicated with the inside of the gas tank (19).

3. A vacuum pump oil mist separator as claimed in claim 2, wherein: the gas filter cylinder (21) comprises an upper gas filter cylinder (211), a lower gas filter cylinder (212) and a bolt (213), a plurality of threaded holes are formed in the side walls of the upper gas filter cylinder (211) and the lower gas filter cylinder (212) respectively, a plurality of bolts (213) are arranged, and the upper gas filter cylinder (211) is connected with the lower gas filter cylinder (212) through the bolt (213).

4. A vacuum pump oil mist separator as claimed in claim 3, wherein: the surface of the lower filter cylinder (212) contacted with the upper filter cylinder (211) is fixedly connected with a first rubber gasket (24).

5. A vacuum pump oil mist separator as claimed in claim 4, wherein: the air outlet holes (23) are provided with a plurality of air outlet holes, and the air outlet holes (23) are positioned on the side wall of one end, far away from the sealing cover (12), of the filter cylinder (21).

6. A vacuum pump oil mist separator as claimed in claim 5, wherein: the air filter cylinder (21) is provided with a protruding platform (25), and the protruding platform (25) is positioned at one end, close to the partition plate (15), of the air filter cylinder (21).

7. A vacuum pump oil mist separator as claimed in claim 6, wherein: and a second rubber gasket (16) is fixed on one side of the protruding platform (25) close to the partition plate (15), and the second rubber gasket (16) is positioned on one side of the protruding platform (25) close to the partition plate (15).

8. A vacuum pump oil mist separator as claimed in claim 7, wherein: the sealing cover (12) is fixedly connected with a third rubber gasket (17), and the third rubber gasket (17) is positioned on one side, close to the tank body (11), of the sealing cover (12).

9. A vacuum pump oil mist separator as claimed in claim 8, wherein: the bottom wall of one end, away from the sealing cover (12), of the tank body (11) is fixedly connected with a threaded seat (18), and one end, away from the sealing cover (12), of the filter gas cylinder (21) is in threaded connection with the threaded seat (18).