CN213018797U

CN213018797U - Adjustable jet lubrication device

Info

Publication number: CN213018797U
Application number: CN202021058430.6U
Authority: CN
Inventors: 李松联; 樊震宇
Original assignee: Peak Foster Technology Co ltd
Current assignee: Peak Foster Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-20
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to an adjustable injection lubricating device, which comprises an oil tank and an injection assembly, wherein the oil tank is connected with a pneumatic control stop valve through an oil pipe, the inlet end of the injection assembly is connected with a pipe joint, the pipe joint is connected with the oil pipe and an air pipe, the pipe joint is connected with the pneumatic control stop valve through the oil pipe, the inlet end of the air pipe is connected with a switch valve, compared with the prior art, the micro-lubricating product has complex structure, low service life, no adjustment according to different working conditions, limited use and poor effect, the utility model is provided with the injection assembly, the inner joint is connected through a liquid separating nozzle and matched with an outer joint to form a concentric air path and an oil path, compressed air in the inner joint and oil liquid in the outer joint are respectively guided into a mixing cavity through an air path and a shunt path to be mixed, and high-speed jet flow, the lubricating and cooling efficiency is higher, and the processing efficiency and the processing quality are effectively improved.

Description

Adjustable jet lubrication device

Technical Field

The utility model relates to the technical field of machining, specifically be an adjustable jet lubrication device.

Background

In the field of machining, the traditional lubricating method adopts cutting fluid pouring as lubricating and cooling, so that the consumption is high, the treatment cost of waste liquid is high, and the influence on the environment is great. With the increasing demand for energy conservation and environmental protection in the field of current machining, the research and development of trace lubrication products are accelerated, trace lubrication is also called minimum lubrication, and the method is a lubrication mode for metal machining, namely semi-dry cutting, and is a cutting machining method for mixing and vaporizing compressed gas (air, nitrogen, carbon dioxide and the like) and a trace lubricating medium to form micron-sized liquid drops which are sprayed to a machining area for effective lubrication. The micro-lubrication is mainly used for high-speed cutting processing of various materials, finishing processing of dies, leveling and rolling lubrication of high-precision thin plates, pipe processing lubrication and the like.

Most of the existing trace lubrication equipment have complex structures and low service lives, and the injection flow and the flow rate of lubricating liquid drops cannot be adjusted, so that the requirements and the changes of different working conditions cannot be met, the use is limited, and the effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable jet lubrication device to it is complicated to solve among the prior art trace lubrication product structure, and the working life is low, and can't adjust according to different work condition, uses comparatively limitation, the relatively poor problem of effect.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable injection lubricating device comprises an oil tank and an injection assembly, wherein the oil tank is connected with a pneumatic control stop valve through an oil pipe, the inlet end of the injection assembly is connected with a pipe joint, the pipe joint is connected with the oil pipe and an air pipe, the pipe joint is connected with the pneumatic control stop valve through the oil pipe, and the inlet end of the air pipe is connected with a switch valve;

the injection subassembly includes outer joint and the inner joint of setting in the outer joint, the one end of outer joint is connected with the coupling, oil pipe and trachea are connected to the coupling, outer joint and oil pipe intercommunication, inner joint and trachea intercommunication, the other end of outer joint is connected with the branch liquid mouth, the bottom of dividing the liquid mouth is equipped with the nozzle, set up in the nozzle with divide liquid mouth sliding connection's hybrid chamber, divide the liquid mouth divide and be equipped with the air flue in the liquid mouth, air flue intercommunication inner joint and hybrid chamber, the outside of air flue is equipped with the subchannel, subchannel intercommunication outer joint inner chamber and hybrid chamber, the lateral wall sliding connection of nozzle has the regulation cap, regulation cap and outer joint threaded connection.

Preferably, the outlet end of the switch valve is shunted through an air pipe and is connected with an electromagnetic valve and a throttle valve respectively, and the outlet end of the electromagnetic valve is shunted through an air pipe and is connected with a pneumatic control stop valve and an injection assembly respectively.

Preferably, the throttle valve is connected with a pneumatic control one-way valve, and the pneumatic control one-way valve is communicated with the injection assembly through an air pipe.

Preferably, the air pipe is provided with two pressure gauges, one of the pressure gauges corresponds to the outlet end of the switch valve, and the other pressure gauge corresponds to the air pipe seat.

Preferably, a gas pipe seat is arranged in the pipe joint, the extending end of the gas pipe seat is connected with a gas pipe, and the inner end of the gas pipe seat is connected with the inner joint.

Preferably, a guide cavity matched with the nozzle is arranged in the adjusting cap, the outer side of the outer joint is in threaded connection with a locking cap, and the locking cap corresponds to the adjusting cap.

Preferably, the overhanging end of the nozzle is provided with a nozzle, the nozzle is communicated with the mixing cavity, a hemispherical plug is formed at the end part of the liquid distribution nozzle, and the plug is matched with the inner wall of the mixing cavity.

The utility model discloses possess following beneficial effect at least:

1. the utility model discloses set up and spray the subassembly, connect the nipple through dividing the liquid mouth, and cooperate with the outer joint, form concentric gas circuit and oil circuit, and introduce compressed air and lubricating medium respectively by the coupling, and introduce the compressed air in the nipple and the fluid in the outer joint into the mixing chamber respectively through air flue and subchannel and mix, can mix compressed air and fluid, and form the high-speed jet, spray in the cutting process region, the lubrication cooling efficiency is higher, improves machining efficiency and processingquality effectively;

2. the utility model discloses a compressed air source is opened and close the operation to gas accuse unit valve and gas accuse stop valve, opens the oil circuit and sprays and uses mixed air source, and adopt and adjust cap and outer joint to carry out threaded connection, lead the nozzle through the direction chamber, lead to the branch liquid mouth by the mixing chamber in the nozzle, and through the natural tensioning nozzle of the pressure in the mixing chamber and branch liquid mouth, carry out spacing to branch liquid mouth and nozzle by outer joint and adjusting cap simultaneously, simple structure is reliable, the movable part is few, improve the running life effectively, the dismouting of being convenient for is maintained;

3. the utility model discloses a hemispherical end cap and hybrid chamber cooperation to the end cap outside is formed with mixed area territory, thereby rotates the interval of adjusting cap regulation end cap and hybrid chamber bottom surface, can adjust mixed area's volume, and then adjusts the flow and the velocity of flow that spray, and it is more convenient to operate, and application scope is wider, and lubricated quality is higher, and the effect is better.

Drawings

FIG. 1 is a schematic diagram of the principle structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the jetting assembly of FIG. 1;

FIG. 3 is a schematic sectional view of the structure at A-A in FIG. 2.

In the reference symbols: 1. an oil tank; 2. a spray assembly; 21. an outer joint; 22. an inner joint; 23. a liquid separating nozzle; 231. an airway; 232. a shunt channel; 233. a plug; 24. a nozzle; 241. a mixing chamber; 242. A spout; 25. an adjusting cap; 251. a guide cavity; 26. a lock cap; 3. an oil pipe; 4. a pipe joint; 5. an air pipe seat; 6. a pneumatic control stop valve; 7. an on-off valve; 8. an air tube; 9. a pressure gauge; 10. an electromagnetic valve; 11. A throttle valve; 12. a pneumatic control one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: an adjustable injection lubricating device comprises an oil tank 1 and an injection assembly 2, wherein the oil tank 1 is connected with a pneumatic control stop valve 6 through an oil pipe 3, the inlet end of the injection assembly 2 is connected with a pipe joint 4, the pipe joint 4 is connected with the oil pipe 3 and an air pipe 8, the pipe joint 4 is connected with the pneumatic control stop valve 6 through the oil pipe 3, the inlet end of the air pipe 8 is connected with a switch valve 7, and particularly, the switch valve 7 is connected with an air source through the air pipe 8;

the injection assembly 2 comprises an outer joint 21 and an inner joint 22 arranged in the outer joint 21, one end of the outer joint 21 is connected with a pipe joint 4, the pipe joint 4 is connected with an oil pipe 3 and an air pipe 8, the outer joint 21 is communicated with the oil pipe 3, the inner joint 22 is communicated with the air pipe 8, the other end of the outer joint 21 is connected with a liquid distribution nozzle 23, the bottom of the liquid distribution nozzle 23 is provided with a nozzle 24, the nozzle 24 is internally provided with a mixing cavity 241 slidably connected with the liquid distribution nozzle 23, specifically, one end of the liquid distribution nozzle 23 is connected with the outer joint 21 through a shaft hole, the other end of the liquid distribution nozzle 23 is matched with the shaft hole of the mixing cavity 241 through the inner joint 22, the liquid distribution nozzle 23 of the liquid distribution nozzle 23 is internally provided with an air passage 231, the air passage 231 is communicated with the inner joint 22 and the mixing cavity 241 through the air passage 231, specifically, the air passage 231 is matched with the hole shaft of the inner joint 22, namely, the, the air passage is communicated, the outer side of the air passage 231 is provided with the sub-passage 232, the sub-passage 232 is communicated with the inner cavity of the outer joint 21 and the mixing cavity 241, the outer side wall of the nozzle 24 is connected with the adjusting cap 25 in a sliding manner, the adjusting cap 25 is in threaded connection with the outer joint 21, the liquid passing nozzle 23, the nozzle 24 and the adjusting cap 25 can be in sliding fit from inside to outside step by step, the adjusting cap 25 is in threaded connection with the outer joint 21, the adjustment is more convenient and the use is convenient, the size and the opening and the closing of the mixing cavity 241 are adjusted by rotating the adjusting cap 25, so that the compressed air in the inner joint 22 and the oil in the outer joint 21 are respectively guided into the mixing cavity 241 to be mixed by the air passage 231 and the sub-passage 232, the compressed air and the oil can be mixed to form a high-speed jet flow which is sprayed in a cutting area, the lubricating, and the oil pressure in the mixing cavity 241 can naturally tension the liquid distribution nozzle 23 and the spray head 24, so that the structure is more stable.

Wherein, the exit end of ooff valve 7 shunts through trachea 8 and is connected with solenoid valve 10 and choke valve 11 respectively, the exit end of 10 of solenoid valve shunts through trachea 8 and connects gas accuse stop valve 6 and injection subassembly 2 respectively, can open and close the operation to gas accuse stop valve 6 through compressed air, makes things convenient for opening of oil circuit more.

Wherein, choke valve 11 is connected with gas accuse check valve 12, gas accuse check valve 12 passes through trachea 8 intercommunication with injection subassembly 2, can cooperate through gas accuse check valve 12 and solenoid valve 10, carry out the mixture of injection air supply, the operation is opened and close to gas accuse check valve 12 to the compressed air of solenoid valve 10 reposition of redundant personnel simultaneously, and solenoid valve 10 is with the gas circuit disconnection when equipment inoperative, make gas accuse check valve 12 and gas accuse stop valve 6 close under the effect of spring force, and thoroughly cut off the lubricating medium passageway, prevent because gravity autonomous flow, lead to the problem of extravagant lubricating medium.

Wherein, be equipped with two manometer 9 on the trachea 8, one of them manometer 9 corresponds with the exit end of ooff valve 7, another manometer 9 corresponds with trachea seat 5, can be through manometer 9 real-time detection and contrast trachea 8 in the pressure of introducing the air supply and the leading-in air supply pressure in the injection subassembly 2, convenient inspection is maintained.

Wherein, be equipped with trachea seat 5 in the coupling 4, the overhanging end and the trachea 8 of trachea seat 5 are connected, the inner and the nipple 22 of trachea seat 5 are connected, and is concrete, seted up the shoulder hole in the trachea seat 5 to correspond the intercommunication with nipple 22, can further fix a position the inner joint 22 through trachea seat 5, the structure is more stable, and separate gas circuit and oil circuit, make things convenient for the dismouting maintenance more.

The adjusting cap 25 is internally provided with a guide cavity 251 matched with the nozzle 24, the outer side of the outer joint 21 is in threaded connection with a locking cap 26, the locking cap 26 corresponds to the adjusting cap 25, namely, the adjustment of the adjusting cap 25 can be locked through the locking cap 26, and the stability of the adjusting cap 25 is improved.

The nozzle 24 has an outward extending end provided with a nozzle 242, the nozzle 242 is communicated with the mixing chamber 241, the end of the liquid distribution nozzle 23 is provided with a hemispherical plug 233, specifically, the air channel 231 penetrates through the plug 233, the plug 233 is matched with the inner wall of the mixing chamber 241, and can be attached to the mixing chamber 241 through the plug 233 to seal the nozzle 242, so that the nozzle can be sealed when the injection assembly 2 does not work, and waste of oil is avoided.

The working principle is as follows:

when the device is used, the inlet end of the switch valve 7 is connected with a 5-8bar compressed air source through an air pipe 8, compressed air respectively enters a pneumatic control one-way valve 12 and a pneumatic control stop valve 6 after passing through an electromagnetic valve 10 (a two-position three-way electromagnetic valve), an oil way and a mixed air source for injection are opened, a lubricating medium and the compressed air respectively enter a pipe joint 4 through an oil pipe 3 and an organ 8, namely the lubricating medium flowing automatically in an oil tank can be stored in an injection assembly 2, the compressed air in an inner joint 22 and oil in an outer joint 21 are respectively guided into a mixing cavity 241 through an air passage 231 and a branch passage 232 to be uniformly mixed and vaporized to form a jet flow, the jet flow is injected into a cutting processing area through a nozzle 242, the jet flow forms a siphon effect in the mixing cavity 241 to continuously suck the lubricating medium and mix with air flow, in addition, the size of the mixing cavity 241 can be adjusted by rotating an, The flow rate and the coverage range are higher, the lubricating and cooling efficiency is higher, and the processing efficiency and the processing quality are effectively improved;

when the equipment does not work, the air path is disconnected through the electromagnetic valve 10, so that the air control one-way valve 12 and the air control stop valve 6 are closed under the action of the spring force, the passage of a lubricating medium is completely cut off, the adjusting cap 25 is rotated, the plug 233 is attached to the inner wall of the mixing cavity 241, the nozzle 242 can be sealed, oil liquid waste is avoided, and the problem of lubricating medium waste caused by gravity flow is solved;

in addition, referring to fig. 1, an oil pipe 3 connected with an oil tank 1 is branched and is connected with a plurality of parallel pneumatic control stop valves 6 in a shunting manner to supply parallel lubricating media, an air pipe 8 connected with a compressed air source is branched after passing through a switch valve 7 and a pressure gauge 9 and is connected with a plurality of electromagnetic valves 10 and throttle valves 11 and pneumatic control one-way valves 12 corresponding to the electromagnetic valves 10 in a shunting manner to form a plurality of shunting air passages, and is matched with the branched oil passages to be connected with a plurality of parallel injection assemblies 2 to perform multi-group injection lubrication, thereby improving the lubrication range and efficiency.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable injection lubricating device is characterized by comprising an oil tank and an injection assembly, wherein the oil tank is connected with a pneumatic control stop valve through an oil pipe, the inlet end of the injection assembly is connected with a pipe joint, the pipe joint is connected with the oil pipe and an air pipe, the pipe joint is connected with the pneumatic control stop valve through the oil pipe, and the inlet end of the air pipe is connected with a switch valve;

2. The adjustable jet lubrication device of claim 1, wherein: the outlet end of the switch valve is shunted through an air pipe and is respectively connected with an electromagnetic valve and a throttle valve, and the outlet end of the electromagnetic valve is shunted through an air pipe and is respectively connected with a pneumatic control stop valve and an injection assembly.

3. The adjustable jet lubrication device of claim 2, wherein: the throttle valve is connected with a pneumatic control one-way valve, and the pneumatic control one-way valve is communicated with the injection assembly through an air pipe.

4. The adjustable jet lubrication device of claim 1 or 2, wherein: and two pressure gauges are arranged on the air pipe, one of the pressure gauges corresponds to the outlet end of the switch valve, and the other pressure gauge corresponds to the air pipe seat.

5. The adjustable jet lubrication device of claim 1, wherein: the pipe joint is internally provided with a pipe seat, the extending end of the pipe seat is connected with a pipe, and the inner end of the pipe seat is connected with the inner joint.

6. The adjustable jet lubrication device of claim 1, wherein: the adjusting cap is internally provided with a guide cavity matched with the nozzle, the outer side of the outer joint is in threaded connection with a locking cap, and the locking cap corresponds to the adjusting cap.

7. The adjustable jet lubrication device of claim 1, wherein: the spray nozzle is characterized in that a spout is arranged at the extending end of the spray nozzle and is communicated with the mixing cavity, a hemispherical plug is formed at the end part of the liquid distribution nozzle, and the plug is matched with the inner wall of the mixing cavity.