CN108406432B

CN108406432B - Micro-lubricating device

Info

Publication number: CN108406432B
Application number: CN201810159390.5A
Authority: CN
Inventors: 林靖朋; 王大中; 姜浪浪; 刘鑫; 王鹏; 魏磊
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2018-02-26
Filing date: 2018-02-26
Publication date: 2020-09-11
Anticipated expiration: 2038-02-26
Also published as: CN108406432A

Abstract

The invention relates to a micro-lubricating device which comprises a box body, a multi-point mixing mechanism arranged in the box body, an oil supply mechanism and an air supply mechanism, wherein the oil supply mechanism and the air supply mechanism are respectively arranged on the box body, and the multi-point mixing mechanism is respectively communicated with the oil supply mechanism and the air supply mechanism. Compared with the prior art, the multi-point mixing mechanism can disperse lubricating oil into multiple strands, and the lubricating oil is mixed with air from all directions, so that the lubricating oil and the air are fully and uniformly mixed, the lubricating performance of an oil-gas mixture is improved, the processing performance is improved, the production cost is reduced, the environmental pollution is reduced, and the multi-point mixing mechanism is good in flexibility and easy to install and maintain.

Description

Micro-lubricating device

Technical Field

The invention belongs to the technical field of lubrication, and relates to a minimal quantity lubrication device.

Background

In the machining process, the cutter needs lubricating oil for lubrication and cooling during cutting, the traditional lubricating oil applying mode has the problems of large lubricating oil consumption, low effective utilization rate, poor lubricating effect and the like, waste of a large amount of lubricating oil is easily caused, and meanwhile, the environment is polluted and the human health is harmed, so that various negative effects are caused. The micro-lubrication technology is an innovative technology, and compared with the traditional cutting fluid lubrication, the micro-lubrication has high efficiency, small using amount and better lubrication performance, but in the existing micro-lubrication device, oil and gas are mixed through a pipeline, so that the oil mist is dispersed unevenly, and further the performance and the roughness of the surface of a machined part are inconsistent.

Disclosure of Invention

The object of the present invention is to provide a minimal quantity lubrication device for overcoming the above-mentioned drawbacks of the prior art.

The purpose of the invention can be realized by the following technical scheme:

a micro-lubricating device comprises a box body, a multi-point mixing mechanism arranged in the box body, and an oil supply mechanism and an air supply mechanism which are respectively arranged on the box body, wherein the multi-point mixing mechanism is respectively communicated with the oil supply mechanism and the air supply mechanism. The lubricating oil and the air are respectively conveyed to the multi-point mixing mechanism by the oil supply mechanism and the air supply mechanism to be fully mixed and then output.

Further, the oil supply mechanism comprises an oil storage tank and an oil pump which are arranged on the box body, and the oil storage tank is communicated with the multipoint mixing mechanism through the oil pump. The oil pump conveys the lubricating oil in the oil storage tank to the multipoint mixing mechanism.

Preferably, the oil storage tank is detachably arranged on the box body.

Furthermore, a liquid level sensor is arranged in the oil storage tank. The liquid level sensor monitors the storage capacity of lubricating oil in the oil storage tank in real time.

As a preferable technical scheme, the oil supply mechanism further comprises an alarm electrically connected with the liquid level sensor. When the lubricating oil in the oil storage tank is too little, the liquid level sensor feeds back a signal to the alarm, and the alarm gives an alarm so as to inform an operator to disassemble the oil storage tank and replace the new oil storage tank, so that the oil storage tank is simple and convenient.

Further, the gas supply mechanism comprises a gas filter and a gas pump which are arranged on the box body, and the gas filter is communicated with the multipoint mixing mechanism through the gas pump. Air is filtered by the air filter, pressurized by the air pump to form high-pressure air flow, and then conveyed to the multipoint mixing mechanism.

Further, the air supply mechanism also comprises a barometer. The barometer is convenient for show and adjust inlet pressure.

Preferably, the barometer is arranged on the gas filter.

As a preferable technical scheme, a manual switch is arranged on the gas filter. The manual switch is convenient for controlling the starting and the closing of the gas filter.

Furthermore, a pneumatic pulse valve connected with the air pump is arranged in the box body. The pneumatic pulse valve can control the starting and closing of the air pump and adjust the air inflow, and the air pump can convey air to the multipoint mixing mechanism according to a pulse mode so as to adapt to different lubricating requirements.

Further, the multipoint mixing mechanism comprises an oil delivery pipe communicated with the oil supply mechanism, an air delivery pipe communicated with the air supply mechanism and a mixing pipe communicated with the air delivery pipe, and a plurality of oil delivery branch pipes are arranged between the oil delivery pipe and the mixing pipe. The lubricating oil in the oil supply mechanism enters the mixing pipe through the oil conveying pipe and the oil conveying branch pipes in sequence, and the air in the air supply mechanism enters the mixing pipe through the air conveying pipe and is fully mixed with the lubricating oil entering the mixing pipe from all directions.

As the preferred technical scheme, the oil delivery pipe is provided with an oil quantity adjusting knob, so that the oil inlet quantity can be conveniently adjusted.

Furthermore, the top of the mixing pipe is communicated with the gas conveying pipe, a plurality of oil conveying ports are uniformly formed in the side wall along the circumferential direction, one end of each oil conveying branch pipe is communicated with the oil conveying pipe, and the other end of each oil conveying branch pipe is communicated with the mixing pipe through the oil conveying ports. The lubricating oil in each branch oil delivery pipe enters the mixing pipe along the radial direction through the corresponding oil delivery port on the side wall of the mixing pipe, and the air in the air delivery pipe enters the mixing pipe along the axial direction from the top of the mixing pipe, so that the air and the lubricating oil in the mixing pipe are fully mixed.

Further, an oil-gas mixture output pipe is arranged at the bottom of the mixing pipe. The oil-gas mixture fully mixed in the mixing pipe provides lubrication for parts needing lubrication to the outside through the oil-gas mixture output pipe.

Furthermore, a magnetic sucker is arranged on the box body. The magnetic chuck is convenient for installing and adsorbing the box body on machine tool equipment.

As the preferred technical scheme, the oil pump and the air pump are micro pumps, so that the manufacturing cost is saved.

In practical application, the box body is installed and adsorbed on machine tool equipment through the magnetic chuck, the lubricating oil in the oil storage tank is conveyed to the mixing pipe through the oil conveying pipe and the oil conveying branch pipes in sequence by the oil pump, air filtered by the gas filter is conveyed to the mixing pipe through the air pump in a pulse mode and is fully mixed with the lubricating oil entering the mixing pipe from all directions to form an oil-gas mixture, and then the oil-gas mixture is conveyed to an external part needing lubrication through the oil-gas mixture output pipe.

Compared with the prior art, the invention has the following characteristics:

1) the multi-point mixing mechanism can disperse the lubricating oil into multiple strands and mix the lubricating oil with air from all directions, so that the lubricating oil and the air are fully and uniformly mixed, the lubricating performance of an oil-gas mixture is improved, the processing performance is further improved, the production cost is reduced, and the environmental pollution is reduced;

2) the pneumatic pulse valve enables the air pump to convey air into the multipoint mixing mechanism in a pulse mode, and the pulse frequency can be adjusted according to different lubricating requirements so as to change the supply quantity of oil gas, so that the benefit is maximized and the flexibility is good under the condition of meeting the lubricating effect;

3) the use of the metal cutting fluid can be greatly reduced, the pollution of the cutting fluid for metal processing to an ecological environment and a working environment is reduced, the working environment of an operator is improved, the device has small volume, and the magnetic sucker can be used for being installed and adsorbed on other equipment, so that the installation and maintenance are convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a rear view of the present invention;

FIG. 4 is a schematic structural diagram of a multi-point mixing mechanism according to the present invention;

the notation in the figure is:

1-oil storage tank, 2-oil pump, 3-box, 4-gas filter, 5-manual switch, 6-air pump, 7-pneumatic pulse valve, 8-mixing pipe, 9-magnetic chuck, 10-oil delivery pipe, 11-gas delivery pipe, 12-oil delivery branch pipe, 13-oil-gas mixture output pipe.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example (b):

as shown in fig. 1, 2 and 3, the minimal quantity lubrication device includes a box 3, a multipoint mixing mechanism disposed in the box 3, and an oil supply mechanism and an air supply mechanism respectively disposed on the box 3, wherein the multipoint mixing mechanism is respectively communicated with the oil supply mechanism and the air supply mechanism.

Wherein, oil supply mechanism is including setting up oil storage tank 1 and the oil pump 2 on box 3, and oil storage tank 1 is linked together through oil pump 2 and multiple spot mixing mechanism. A liquid level sensor is arranged in the oil storage tank 1.

The gas supply mechanism comprises a gas filter 4 and a gas pump 6 which are arranged on the box body 3, and the gas filter 4 is communicated with the multipoint mixing mechanism through the gas pump 6. The air supply mechanism further comprises a barometer. The gas filter 4 is provided with a manual switch 5. The interior of the box body 3 is also provided with a pneumatic pulse valve 7 connected with the air pump 6.

As shown in fig. 4, the multipoint mixing mechanism includes an oil delivery pipe 10 communicated with the oil supply mechanism, an air delivery pipe 11 communicated with the air supply mechanism, and a mixing pipe 8 communicated with the air delivery pipe, and a plurality of oil delivery branch pipes 12 are arranged between the oil delivery pipe 10 and the mixing pipe 8. The top of the mixing pipe 8 is communicated with the gas pipe 11, a plurality of oil conveying ports are evenly arranged on the side wall along the circumferential direction, one end of the oil conveying branch pipe 12 is communicated with the oil conveying pipe 10, and the other end of the oil conveying branch pipe is communicated with the mixing pipe 8 through the oil conveying ports. The bottom of the mixing pipe 8 is provided with an oil-gas mixture output pipe 13.

The box body 3 is also provided with a magnetic chuck 9.

In practical application, the box body 3 is installed and adsorbed on machine tool equipment through the magnetic chuck 9, the lubricating oil in the oil storage tank 1 is conveyed to the mixing pipe 8 through the oil conveying pipe 10 and the oil conveying branch pipes 12 in sequence by the oil pump 2, the air filtered by the gas filter 4 is conveyed to the mixing pipe 8 in a pulse mode through the air pump 6 and is fully mixed with the lubricating oil entering the mixing pipe 8 from all directions to form an oil-gas mixture, and then the oil-gas mixture is conveyed to parts needing lubrication outside through the oil-gas mixture output pipe 13.

The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. A micro-lubricating device is characterized by comprising a box body (3), a multi-point mixing mechanism arranged in the box body (3), an oil supply mechanism and an air supply mechanism which are respectively arranged on the box body (3), wherein the multi-point mixing mechanism is respectively communicated with the oil supply mechanism and the air supply mechanism;

the multipoint mixing mechanism comprises an oil delivery pipe (10) communicated with the oil supply mechanism, an air delivery pipe (11) communicated with the air supply mechanism and a mixing pipe (8) communicated with the air delivery pipe, wherein a plurality of oil delivery branch pipes (12) are arranged between the oil delivery pipe (10) and the mixing pipe (8);

the top of the mixing pipe (8) is communicated with a gas conveying pipe (11), a plurality of oil conveying ports are uniformly formed in the side wall along the circumferential direction, one end of the oil conveying branch pipe (12) is communicated with the oil conveying pipe (10), and the other end of the oil conveying branch pipe is communicated with the mixing pipe (8) through the oil conveying ports;

the multi-point mixing mechanism disperses the lubricating oil into a plurality of strands and mixes the lubricating oil with air from all directions, so that the lubricating oil and the air are fully and uniformly mixed.

2. The minimal quantity lubrication device according to claim 1, wherein the oil supply mechanism comprises an oil storage tank (1) and an oil pump (2) which are arranged on the box body (3), and the oil storage tank (1) is communicated with the multipoint mixing mechanism through the oil pump (2).

3. A minimal quantity lubrication device as claimed in claim 2, characterised in that a level sensor is provided in the reservoir (1).

4. A minimal quantity lubrication device as claimed in claim 1, wherein said gas supply means comprises a gas filter (4) and a gas pump (6) disposed on the housing (3), said gas filter (4) being in communication with the multipoint mixing means via the gas pump (6).

5. A minimal quantity lubrication device as claimed in claim 4, wherein said gas supply means further comprises a gas pressure gauge.

6. A minimal quantity lubrication device as claimed in claim 4, characterised in that the interior of said tank (3) is also provided with a pneumatic impulse valve (7) connected to an air pump (6).

7. A minimal quantity lubrication device as claimed in claim 1, characterised in that the mixing pipe (8) is provided at the bottom with an outlet pipe (13) for the mixture of oil and gas.

8. A minimal quantity lubrication device as claimed in claim 1, characterised in that said housing (3) is further provided with a magnetic chuck (9).