CN217270818U

CN217270818U - Oil-free air blower

Info

Publication number: CN217270818U
Application number: CN202221293235.0U
Authority: CN
Inventors: 赵颖; 李博; 杨小军; 林杰
Original assignee: Yinghe Power Technology Quzhou Co ltd; Quzhou Intelligent Manufacturing Technology And Equipment Research Institute
Current assignee: Yinghe Power Technology Quzhou Co ltd; Quzhou Intelligent Manufacturing Technology And Equipment Research Institute
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-23
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to a compressor field discloses an oilless air-blower, including air cleaner, intake pipe, host computer, motor, blast pipe, muffler, oil catcher, oil pump, cooler, shaft coupling, central bracket, motor support, host computer support, converter, bumper shock absorber, exhaust fan, relief valve, oil filter and housing, host computer and intake pipe fixed connection, intake pipe and air cleaner fixed connection, the motor is connected with the shaft coupling, the shaft coupling is connected with the host computer, host computer and blast pipe fixed connection, the blast pipe is connected through the flange with the muffler, the oil catcher sets up in the host computer below, the cooler sets up in the host computer top, host computer and motor bottom all are connected with the bumper shock absorber. The utility model has the advantages of it is following and effect: can reduce transmission loss to can the noise reduction, improve the security, can provide stable oil-free low pressure compressed air for the user.

Description

Oil-free air blower

Technical Field

The utility model relates to a compressor technical field, in particular to do not have oily air-blower.

Background

The oilless screw blower features that the male and female screws are not in direct contact and there is a certain gap between them. The purposes of sealing gas and improving gas pressure are achieved through the high-speed rotation of the two screws. The function of the synchronous gears is to transmit motion and power and ensure the clearance between the screws and the distribution of the clearance. The gear and the bearing also need lubricating oil for lubrication, and the inside of the gear and the bearing is ensured to be oilless by percentage by a special sealing device. Because the high heat of the compressed air temperature can be conducted inside the machine body, and certain heat can be generated by the gears and the operation, the heat is required to be taken away by the lubricating oil, and therefore the machine set is provided with an oil cooler for cooling the lubricating oil.

The common roots blower in the existing market, screw blower compare roots blower has very big advantage, and screw blower's efficiency will be higher than roots blower, and the noise is little, simple structure. With the increasing demand for energy conservation, emission reduction and environmental protection, the screw air blower can occupy a certain market with outstanding performance advantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an there is not oily air-blower has the effect that can energy saving and emission reduction and environmental protection.

The above technical object of the present invention can be achieved by the following technical solutions: comprises an air filter, an air inlet pipe, a host machine, a motor, an exhaust pipe, a silencer, an oil collector, an oil pump, a cooler, a coupling, a central bracket, a motor bracket, a host machine bracket, a frequency converter, a shock absorber, an exhaust fan, a safety valve, an oil filter and a housing, the host machine is fixedly connected with an air inlet pipe, the air inlet pipe is fixedly connected with an air filter, the motor is connected with a coupler, the coupler is connected with a main machine, the main machine is fixedly connected with an exhaust pipe, the exhaust pipe is connected with a silencer through a flange, the oil collector is arranged below the main machine, the cooler is arranged above the main machine, the main machine and the bottom of the motor are both connected with the shock absorber, the motor support and the top of the host support are both connected with a shock absorber, the frequency converter is arranged on one side of the host, and the exhaust fan is arranged above the host.

The utility model discloses a further set up to: a hose is connected between the oil collector and the oil pump, a pipeline is connected between the cooler and the host, and the two oil filters are respectively arranged on the hose and the pipeline.

The utility model discloses a further set up to: the central bracket is connected with the main machine and the motor.

The utility model discloses a further set up to: and a conduit is connected between the oil pump and the cooler.

The utility model discloses a further set up to: the safety valve is arranged on the exhaust pipe, and a ripple compensator is arranged on the exhaust pipe.

By adopting the technical scheme, the exhaust shock can be absorbed.

The utility model discloses a further set up to: the muffler outlet is provided with a one-way valve.

By adopting the technical scheme, the whole system is protected from being damaged by overpressure.

The utility model discloses a further set up to: the cooler is an aluminum plate-fin heat exchanger.

The utility model discloses a further set up to: the sound absorption cotton is pasted in the housing, and the exhaust fan is arranged on the housing.

The utility model has the advantages that:

1. the utility model discloses a motor, host computer, muffler and blast pipe that set up, the motor adopts high-efficient permanent magnetism inverter motor, directly links with the host computer, reduces the transmission loss, configuration frequency conversion system, and the stable gas end pressure of using, the air blower unit is because the discharge capacity is big, therefore need dispose the muffler at the host computer gas outlet, the muffler can make whole unit noise reduce, be equipped with the blast pipe between muffler and the host computer, the blast pipe has ripple compensator, can absorb exhaust vibrations;

2. the utility model has the advantages that the lubricating oil is conveniently filtered and cooled by the oil filter, the oil collector, the oil pump and the cooler, so that the cleanness of the lubricating oil is ensured;

3. the utility model discloses a housing, exhaust fan that set up and inhale the sound silk floss, further reduce the unit noise to can reduce the unit inside temperature.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an oil-free blower according to the present invention.

Fig. 2 is a side view schematic diagram of the oil-free blower according to the present invention.

Fig. 3 is a schematic top view of an oil-free blower according to the present invention.

Fig. 4 is a schematic front view structure diagram of a housing part in an oil-free blower according to the present invention.

Fig. 5 is a side view schematic structural diagram of a housing part in an oil-free blower according to the present invention.

Fig. 6 is a schematic top view of a housing part in an oilless blower according to the present invention.

In the figure, 1, an air filter; 2. an air inlet pipe; 3. a host; 4. a motor; 5. an exhaust pipe; 6. a muffler; 7. an oil collector; 8. an oil pump; 9. a cooler; 10. a coupling; 11. a center bracket; 12. a motor bracket; 13. a host support; 14. a frequency converter; 15. a shock absorber; 16. an exhaust fan; 17. a safety valve; 18. an oil filter; 19. and (4) a housing.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4, 5 and 6, the utility model provides an oil-free blower, which comprises an air filter 1, an air inlet pipe 2, a host machine 3, a motor 4, an exhaust pipe 5, a silencer 6, an oil collector 7, an oil pump 8, a cooler 9, a coupler 10, a central bracket 11, a motor bracket 12, a host machine bracket 13, a frequency converter 14, a shock absorber 15, an exhaust fan 16, a safety valve 17, an oil filter 18 and a cover 19, wherein the host machine 3 is fixedly connected with the air inlet pipe 2, the air inlet pipe 2 is fixedly connected with the air filter 1, the motor 4 is connected with the coupler 10, the coupler 10 is connected with the host machine 3, the host machine 3 is fixedly connected with the exhaust pipe 5, the exhaust pipe 5 is connected with the silencer 6 through a flange, the oil collector 7 is arranged below the host machine 3, the cooler 9 is arranged above the host machine 3, the bottoms of the host machine 3 and the motor 4 are both connected with the shock absorber 15, the top of the motor support 12 and the top of the host support 13 are both connected with a shock absorber 15, the central bracket 11 is connected with the host 3 and the motor 4, the frequency converter 14 is arranged at one side of the host 3, and the exhaust fan 16 is arranged above the host 3.

According to the drawings of fig. 1, fig. 2 and fig. 3, a hose is connected between the oil collector 7 and the oil pump 8, a pipeline is connected between the cooler 9 and the host machine 3, two oil filters 18 are respectively installed on the hose and the pipeline, a conduit is connected between the oil pump 8 and the cooler 9, an outlet of the oil pump 8 is connected to the cooler 9 through the conduit, an outlet of the cooler 9 is connected to the oil filters 18 through the pipeline, the filtered and cooled oil enters the host machine 3, the return oil returns to the oil collector 7, the oil collector 7 is connected to the oil filters 18 through the hose and enters the oil pump 8, circulation is completed, and the lubricating oil is filtered and cooled.

As shown in fig. 1, 2 and 3, the cooler 9 is an aluminum plate-fin heat exchanger and cools lubricating oil.

As shown in fig. 4, 5 and 6, sound absorbing sponge is adhered to the housing 19, and the exhaust fan 16 is mounted on the housing 19, thereby facilitating cooling treatment.

According to the figures 1, 2 and 3, the safety valve 17 is arranged on the exhaust pipe 5, the exhaust pipe 5 is provided with a corrugated compensator which can absorb exhaust shock, and the outlet of the silencer 6 is provided with a one-way valve which can protect the whole system from overpressure and damage to the main machine 3.

The working principle is as follows: air under normal pressure enters a host machine 3 after being filtered by an air filter 1 to be compressed, because the exhaust pressure of a blower is small and is at most 0.15MPa (gauge pressure), the exhaust capacity of the blower is generally large, in order to fully exert the energy-saving advantage of a screw blower, a motor 4 adopts a high-efficiency permanent magnet variable frequency motor and is directly connected with the host machine 3 to reduce the transmission loss, a variable frequency system is configured to stabilize the pressure of an air end, and because the exhaust capacity of a blower unit is large, a silencer 6 is required to be configured at an air outlet of the host machine 3, the silencer 6 can reduce the noise of the whole unit, an exhaust pipe 5 is arranged between the silencer 6 and the host machine 3, the exhaust pipe 5 is provided with a ripple compensator which can absorb the exhaust vibration, and a safety valve 17 is arranged on the exhaust pipe 5 to protect the whole system from being subjected to overpressure to damage the host machine 3;

the gearbox, the bearings and the like of the main machine 3 need to be lubricated, the whole oil circuit system is provided with accessories such as an oil filter 18, an oil collector 7, an oil pump 8 and a cooler 9, the oil collector 7 is positioned under the main machine 3 to ensure smooth oil return, the oil return of the main machine 3 is gravity oil return, an oil return pipe is conveniently connected by adopting a hose, and the oil filter 18 is arranged between the oil pump 8 and the oil collector 7 to ensure the cleanness of lubricating oil;

the cooler 9 adopts an aluminum plate-fin heat exchanger to cool lubricating oil, the unit is provided with a frequency converter 14, so that the air consumption is conveniently adjusted, the pressure of a pipe network is stabilized, the whole unit belongs to a box-type structure, the housing 19 is adhered with sound-absorbing cotton, the noise of the unit is further reduced, and the housing 19 is provided with an exhaust fan 16 to reduce the internal temperature of the unit.

It is right above that the utility model provides an there is not oily air-blower introduces in detail. The principles and embodiments of the present invention have been explained using specific embodiments, and the above description is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An oilless blower is characterized by comprising an air filter (1), an air inlet pipe (2), a host (3), a motor (4), an exhaust pipe (5), a silencer (6), an oil collector (7), an oil pump (8), a cooler (9), a coupler (10), a central bracket (11), a motor support (12), a host support (13), a frequency converter (14), a shock absorber (15), an exhaust fan (16), a safety valve (17), an oil filter (18) and a housing (19), wherein the host (3) is fixedly connected with the air inlet pipe (2), the air inlet pipe (2) is fixedly connected with the air filter (1), the motor (4) is connected with the coupler (10), the coupler (10) is connected with the host (3), the host (3) is fixedly connected with the exhaust pipe (5), the exhaust pipe (5) is connected with the silencer (6) through a flange, the oil collector (7) is arranged below the host (3), the cooler (9) is arranged above the host (3), the bottoms of the host (3) and the motor (4) are connected with the shock absorber (15), the tops of the motor support (12) and the host support (13) are connected with the shock absorber (15), the frequency converter (14) is arranged on one side of the host (3), and the exhaust fan (16) is arranged above the host (3).

2. An oilless blower as claimed in claim 1, characterized in that a hose is connected between the oil collector (7) and the oil pump (8), a pipe is connected between the cooler (9) and the main unit (3), and two oil filters (18) are respectively mounted on the hose and the pipe.

3. An oil-free blower as claimed in claim 1, wherein the central bracket (11) is connected to the main body (3) and the motor (4).

4. An oil-free blower as claimed in claim 1, wherein a conduit is connected between the oil pump (8) and the cooler (9).

5. An oil-free blower as claimed in claim 1, wherein the relief valve (17) is provided on the exhaust duct (5), and a bellow compensator is provided on the exhaust duct (5).

6. An oil-free blower as claimed in claim 1, characterized in that the muffler (6) outlet is provided with a one-way valve.

7. An oil-free blower as claimed in claim 1, wherein the cooler (9) is an aluminium plate fin heat exchanger.

8. An oil-free blower as claimed in claim 1, wherein sound absorbing sponge is adhered to the inside of the casing (19), and the exhaust fan (16) is mounted on the casing (19).