CN220228701U - Automatic oiling machine with double pumps for lubricating oil - Google Patents
Automatic oiling machine with double pumps for lubricating oil Download PDFInfo
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- CN220228701U CN220228701U CN202321992234.XU CN202321992234U CN220228701U CN 220228701 U CN220228701 U CN 220228701U CN 202321992234 U CN202321992234 U CN 202321992234U CN 220228701 U CN220228701 U CN 220228701U
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- valve
- lubricating
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 39
- 239000003921 oil Substances 0.000 claims abstract description 189
- 239000007788 liquid Substances 0.000 claims description 23
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 8
- 238000005461 lubrication Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model discloses a double-pump automatic oiling machine for lubricating oil, which belongs to the technical field of lubricating oil oiling, and comprises a frame, wherein a main oil pump, a standby oil pump and an oil tank are arranged on the frame; the inlet of the standby oil pump is connected with the upper oil inlet main pipe through an oil inlet branch pipe, and the outlet of the standby oil pump is connected with the upper oil outlet main pipe through an oil outlet branch pipe; an oil drain valve is arranged between the oil inlet main pipe and the oil outlet main pipe; an overflow valve is further arranged on the oil outlet main pipe, and an oil discharge port of the overflow valve is connected with the oil inlet main pipe through an oil discharge pipe; the oil inlet main pipe is provided with a switching valve I; and a switching valve II is arranged on the oil inlet branch pipe. The oiling machine can automatically supply lubricating oil to the micro-lubricating device in the cutting machining process.
Description
Technical Field
The utility model belongs to the technical field of lubricating oil filling, and provides a double-pump automatic lubricating oil filling machine.
Background
In recent years, economic pressure and environmental hazard caused by pouring type cooling lubrication in the metal processing process are increasing, and green cutting technology mainly including dry cutting is rapidly developed, but the dry cutting is only suitable for processing cast iron, common steel parts, and is not suitable for processing materials such as stainless steel, titanium alloy, high-temperature alloy and the like, so that the micro lubrication technology is a typical quasi-green cutting technology and gradually replaces the traditional cutting technology to become the main stream.
The micro lubrication (MQL) cutting technique is a new lubrication mode for metal working, namely semi-dry cutting is also called quasi-dry cutting, and refers to a cutting method which mixes compressed gas with an extremely small amount of cutting oil and forms micron-sized liquid drop particles after vaporization, and the liquid drop particles are sprayed to a cutting area at high speed to effectively lubricate a machining part between a cutter and a workpiece. The MQL can greatly reduce friction between the cutter and the workpiece and between the cutter and the cuttings, can play roles of inhibiting temperature rise, reducing cutter abrasion, preventing adhesion and improving machining quality, is beneficial to chip removal, uses less lubricating liquid, has very obvious effect, improves work efficiency and does not pollute the environment.
The conventional micro-lubrication device can continuously convey lubricating oil to a metal workpiece in the operation process, so that the lubricating oil in an oil tank of the micro-lubrication device is reduced, the lubricating oil is required to be manually added into the oil tank of the micro-lubrication device frequently, however, the manual lubricating oil addition is not only easy to pollute hands, but also has low working efficiency. In view of the above, the utility model provides a double-pump oiling machine capable of automatically supplying micro-lubrication for machining, so as to bring convenience to metal machining lubrication and improve the working efficiency of metal machining.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a dual-pump automatic oiling machine for lubricating oil, which can automatically supply lubricating oil to a micro-lubrication device during cutting processing.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a lubricating oil double-pump automatic oiling machine, which comprises a frame, wherein a main oil pump, a standby oil pump and an oil tank are arranged on the frame, an inlet of the main oil pump is connected with an upper oil tank through an oil inlet main pipe, and an outlet of the main oil pump is connected with a micro lubricating device through an oil outlet main pipe; the inlet of the standby oil pump is connected with the upper oil inlet main pipe through an oil inlet branch pipe, and the outlet of the standby oil pump is connected with the upper oil outlet main pipe through an oil outlet branch pipe; an oil drain valve is arranged between the oil inlet main pipe and the oil outlet main pipe; an overflow valve is further arranged on the oil outlet main pipe, and an oil discharge port of the overflow valve is connected with the oil inlet main pipe through an oil discharge pipe; the oil inlet main pipe is provided with a switching valve I; and a switching valve II is arranged on the oil inlet branch pipe.
Optionally, the oil inlet main pipe is sequentially provided with a tee joint I, a tee joint II and a tee joint III in the outflow direction of lubricating oil in the oil inlet main pipe from the oil tank, and the tee joint III is also respectively connected with the switching valve I and the switching valve II; the oil outlet main pipe is sequentially provided with a tee IV, a four-way and an oil outlet valve in the direction of the flow direction of lubricating oil in the oil outlet main pipe to the micro-lubricating device, and the overflow valve is positioned between the tee IV and the four-way; the oil discharge pipe is also connected with a tee joint II; two ends of the oil drain valve are respectively connected with the tee joint I and the four-way joint.
Optionally, the switching valve I, the switching valve II, the pressure relief valve and the oil outlet valve adopt one of ball valves, stop valves or electromagnetic valves.
Optionally, a pressure gauge is arranged on the oil outlet main pipe and between the oil outlet valve and the four-way joint, and a pressure sensor is further arranged on the four-way joint.
Optionally, be provided with level sensor I in the oil tank, still be provided with the program controller in the frame, pressure gauge, pressure sensor, level sensor I all with program controller electric connection, be provided with the warning light on the program controller.
Optionally, the main oil pump and the backup oil pump adopt gear pumps, a housing is sleeved outside the pump body, and a liquid level sensor II is arranged in the housing and below the pump body.
Optionally, the oil inlet main pipe and the oil outlet main pipe are both provided with filters.
Optionally, an oil drain valve, an oil filler and a liquid level gauge are arranged on the oil tank.
Optionally, the frame adopts a travelling car.
The beneficial effects of the utility model are as follows: the oiling machine can automatically supply lubricating oil to the micro-lubricating device in the cutting processing process, and the differential pressure is utilized to carry out oiling between the oiling machine and the micro-lubricating device, namely, the oil tank pressure of the micro-lubricating device is smaller than the system pressure of the oiling machine, and no communication link exists between the oiling machine and the micro-lubricating device, so that the oiling machine can simultaneously aim at the oiling requirements of a plurality of micro-lubricating devices, the working efficiency of machining is greatly improved, and the double-pump switching operation is beneficial to the smooth running of the oiling machine, and the short-time intermittent operation of the oil pump can meet the design requirements.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of a dual-pump lubricant automatic dispenser of the present utility model;
FIG. 2 is a diagram of the main oil pump of FIG. 1;
FIG. 3 is a diagram of the backup oil pump of FIG. 1;
FIG. 4 is a diagram of the relief valve oil return circuit of FIG. 1;
FIG. 5 is a diagram of the relief valve oil return circuit of FIG. 1;
FIG. 6 is a schematic view of the oil pump leakage apparatus of FIG. 1;
FIG. 7 is a schematic diagram of a dual-pump lubricant dispenser of the present utility model.
Reference numerals: 1-main oil pump, 2-backup oil pump, 3-oil tank, 4-frame, 5-program controller, 6-alarm lamp, 7-oil inlet branch pipe, 8-switching valve II, 9-switching valve I, 10-tee III, 11-liquid level meter, 12-liquid level sensor I, 13-oil drain valve, 14-oil filler, 15-oil inlet main pipe, 16-oil outlet valve, 17-pressure gauge, 18-pressure sensor, 19-four-way, 20-pressure relief valve, 21-filter, 22-tee I, 23-oil discharge pipe, 24-overflow valve, 25-tee II, 26-tee IV, 27-oil outlet branch pipe, 28-oil outlet main pipe, 29-housing, 30-liquid level sensor II.
Detailed Description
The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Referring to fig. 1 and 7, the dual-pump automatic oiling machine for lubricating oil of the present utility model comprises a frame 4, wherein a main oil pump 1, a backup oil pump 2 and an oil tank 3 are arranged on the frame 4, and a dual-pump and one oil tank structure is adopted to promote the functionality of the oiling machine, so that the oiling machine has a pump switching function, and lubricating oil can be automatically added into an equipment oil tank of a micro-lubricating device (not shown), thereby improving the working efficiency. Specifically, the inlet of the main oil pump 1 is connected with the upper oil tank 3 through an oil inlet main pipe 15, and the outlet of the main oil pump 1 is connected with a micro lubrication device through an oil outlet main pipe 28; an inlet of the backup oil pump 2 is connected with an upper oil inlet main pipe 15 through an oil inlet branch pipe 7, and an outlet of the backup oil pump 2 is connected with an upper oil outlet main pipe 28 through an oil outlet branch pipe 27; an oil drain valve 20 is arranged between the oil inlet main pipe 15 and the oil outlet main pipe 28; the oil outlet main pipe 28 is also provided with an overflow valve 24 through a tee joint, the overflow valve mainly plays a role of pressure overrun safety, the mechanical type is more reliable, and an oil discharge port of the overflow valve 24 is connected with the oil inlet main pipe 15 through an oil discharge pipe 23; the oil inlet main pipe 15 is provided with a switching valve I9; the oil inlet branch pipe 7 is provided with a switching valve II 8. The oil inlet main pipe 15 is sequentially provided with a tee I22, a tee II 25 and a tee III 10 in the outflow direction of lubricating oil from the oil tank 3, and the tee III 10 is also respectively connected with a switching valve I9 and a switching valve II 8; the main oil outlet pipe 28 is sequentially provided with a tee IV 26, a four-way 19 and an oil outlet valve 16 in the direction of the flow of lubricating oil in the main oil outlet pipe to the micro-lubricating device, and the overflow valve 24 is positioned between the tee IV 26 and the four-way 19; the oil discharge pipe 23 is also connected with a tee joint II 25; two ends of the oil drain valve 20 are respectively connected with the tee joint I22 and the four-way joint 19.
A filter 21 is arranged on the oil inlet main pipe 15 and close to the oil tank 3, and another filter 21 is arranged on the oil outlet main pipe 28 and close to the four-way joint 19 in the embodiment, and the arrangement of the filter can ensure that the lubricating oil conveyed from the oil tank to the micro-lubricating device is filtered cleanly.
The switching valve i 9, the switching valve ii 8, the relief valve 20 and the oil outlet valve 16 in this embodiment are one of ball valves, stop valves or solenoid valves, which can be controlled manually or electrically.
A pressure gauge 17 is disposed on the main oil pipe 28 and between the oil outlet valve 20 and the four-way valve 19, and a pressure sensor 18 is further disposed on the four-way valve 19 to monitor the pressure value on the main oil pipe 28. Meanwhile, a liquid level sensor I12 is arranged in the oil tank 3, a program controller 5 is further arranged on the frame 4, and the pressure gauge 17, the pressure sensor 18 and the liquid level sensor I12 are electrically connected with the program controller 5 so as to facilitate electrical control. And the warning lamp 6 is arranged on the program controller 5, so that the error information can be conveniently and intuitively fed back.
As shown in fig. 6, the main oil pump 1 and the backup oil pump 2 in the present embodiment employ gear pumps, a casing 29 is sleeved outside the pump body, a liquid level sensor ii 30 is disposed in the casing 29 and below the pump body, and the liquid level sensor ii 30 is further electrically connected with the programmer 5. Thus, a bottom-sealed housing is mounted outside the oil pump body, and when the oil pump leaks, the housing corresponds to a small oil tank for collecting the leaked oil. And a liquid level sensor II is arranged at the bottom of the housing, and when the oil pump leaks to the liquid accumulation at the bottom of the housing, the liquid level sensor II is triggered to send a signal to the program controller 5 and give an alarm, so that the leakage condition of the pump body is fed back.
The fuel tank 3 in the present embodiment adopts a rectangular tank body on which a fuel drain valve 13, a fuel filler 14, and a level gauge 11 are provided. The oil drain valve is used for carrying out emptying treatment on lubricating oil in the oil tank, the oil filling port is used for adding the lubricating oil into the oil tank, and the liquid level meter is used for visually observing the lubricating oil quantity in the oil tank. The frame 4 adopts a movable trolley, so that the oiling machine has mobility. In addition, on the premise of ensuring the use function of the equipment and realizing the functions, the volume and the weight of the equipment are limited to a certain extent, and the volume and the weight are small. Therefore, the quality and the volume and the weight of the element are considered when the element is selected; in the manufacturing process, the liquid path is simple and reasonable layout is considered, and the operation is convenient; the oiling machine is obtained by repeatedly pushing and knocking during combined assembly and finishing the manufacturing steps for a plurality of times.
The working principle of the double-pump automatic oiling machine for lubricating oil is to oil a micro-lubricating device (MQL equipment), wherein the MQL equipment is provided with a liquid level detection system, a feedback signal controls an electric control valve at an oiling port, the oil tank pressure of the MQL equipment is smaller than the system pressure of the automatic oiling machine, and differential pressure is utilized for oiling. There is no communication link between the two. The oil filling frequency of the MQL equipment is more than or equal to 7 days when the oil is filled for 4L each time, one automatic oiling machine can meet the oil filling requirement of about 100 MQL equipment, the working efficiency of machining is greatly improved, and the double-pump switching operation is beneficial to the smooth running of the oiling machine, and the short-time intermittent operation of the oil pump can meet the design requirement. The working pressure of the oiling machine is 0.8-1.0Mpa.
As shown in fig. 2, when the main oil pump 1 is operated, the switching valve i 9 is opened and the switching valve ii 8 is closed, and the lubrication oil runs in the direction indicated by the arrow. As shown in fig. 3, when the backup oil pump 2 is operated, the switching valve ii 8 is opened and the switching valve i 9 is closed, and the lubrication oil runs in the direction indicated by the arrow. Thus, the switching control of the main oil pump and the backup oil pump can be realized.
As shown in fig. 4, when the system piping fails or other reasons require pressure relief, the pressure relief valve 20 is opened and the lubricating oil flows back to the oil tank in the direction indicated by the arrow.
As shown in fig. 5, when the pressure in the pipe of the main oil pipe 28 is greater than the set upper limit value, the relief valve 24 is automatically opened, and the lubricating oil flows to the oil tank in the direction indicated by the arrow.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.
Claims (9)
1. The double-pump automatic oiling machine for lubricating oil comprises a frame (4) and is characterized in that a main oil pump (1), a standby oil pump (2) and an oil tank (3) are arranged on the frame, an inlet of the main oil pump is connected with an upper oil tank through an oil inlet main pipe (15), and an outlet of the main oil pump is connected with a micro lubricating device through an oil outlet main pipe (28); the inlet of the standby oil pump is connected with an upper oil inlet main pipe through an oil inlet branch pipe (7), and the outlet of the standby oil pump is connected with an upper oil outlet main pipe through an oil outlet branch pipe (27); an oil drain valve (20) is arranged between the oil inlet main pipe and the oil outlet main pipe; an overflow valve (24) is further arranged on the oil outlet main pipe, and an oil discharge port of the overflow valve is connected with the oil inlet main pipe through an oil discharge pipe (23); the oil inlet main pipe is provided with a switching valve I (9); and a switching valve II (8) is arranged on the oil inlet branch pipe.
2. The automatic oiling machine with double pumps for lubricating oil according to claim 1, characterized in that the oil inlet main pipe is sequentially provided with a tee joint I (22), a tee joint II (25) and a tee joint III (10) in the outflow direction of the lubricating oil from the oil tank, and the tee joint III is also connected with a switching valve I and a switching valve II respectively; the oil outlet main pipe is sequentially provided with a tee IV (26), a four-way (19) and an oil outlet valve (16) in the direction of the flow of lubricating oil in the oil outlet main pipe to the micro-lubricating device, and the overflow valve is positioned between the tee IV and the four-way; the oil discharge pipe is also connected with a tee joint II; two ends of the oil drain valve are respectively connected with the tee joint I and the four-way joint.
3. The dual-pump automatic oiling machine for lubricating oil according to claim 2, wherein the switching valve I, the switching valve II, the pressure relief valve and the oil outlet valve are one of ball valves, stop valves and electromagnetic valves.
4. A dual-pump automatic oiling machine for lubricating oil according to any one of claims 2-3, characterized in that a pressure gauge (17) is arranged on the main oil outlet pipe and between the oil outlet valve and a four-way valve, and a pressure sensor (18) is also arranged on the four-way valve.
5. The automatic oiling machine with double lubricating oil pumps according to claim 4, characterized in that a liquid level sensor I (12) is arranged in the oil tank, a program controller (5) is further arranged on the rack, the pressure gauge, the pressure sensor and the liquid level sensor I are electrically connected with the program controller, and an alarm lamp (6) is arranged on the program controller.
6. The automatic oiling machine with double lubricating oil pumps according to claim 5, characterized in that the main oil pump and the backup oil pump adopt gear pumps, a housing (29) is sleeved outside the pump body, a liquid level sensor II (30) is arranged in the housing and below the pump body, and the liquid level sensor II is electrically connected with a program controller.
7. The automatic oiling machine with double pumps for lubricating oil according to claim 1, wherein a filter (21) is arranged on each of the oil inlet main pipe and the oil outlet main pipe.
8. The automatic oiling machine with double pumps for lubricating oil according to claim 1, characterized in that an oil drain valve (13), an oil filling port (14) and a liquid level meter (11) are arranged on the oil tank.
9. The dual-pump automatic oiling machine for lubricating oil according to claim 1, wherein the frame adopts a moving trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992234.XU CN220228701U (en) | 2023-07-27 | 2023-07-27 | Automatic oiling machine with double pumps for lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321992234.XU CN220228701U (en) | 2023-07-27 | 2023-07-27 | Automatic oiling machine with double pumps for lubricating oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220228701U true CN220228701U (en) | 2023-12-22 |
Family
ID=89196709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321992234.XU Active CN220228701U (en) | 2023-07-27 | 2023-07-27 | Automatic oiling machine with double pumps for lubricating oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220228701U (en) |
-
2023
- 2023-07-27 CN CN202321992234.XU patent/CN220228701U/en active Active
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