CN220016959U - Lubricating oil filling machine - Google Patents

Abstract

The utility model provides a lubricating oil filling machine, and relates to the technical field of filling machines. The lubricating oil filling machine comprises: the oil inlet device is provided with a first filter, an oil inlet end and an oil outlet end, wherein the oil inlet end is used for being connected with the oil drum so as to carry out primary filtration on lubricating oil entering the oil inlet device through the first filter, and the first filter and the oil outlet end are arranged between the oil inlet end and the oil outlet end; the electric device comprises an electric assembly, a second filter and a switching valve assembly, wherein the electric assembly is connected with the oil outlet end, the second filter is connected with the electric assembly so as to carry out secondary filtration on lubricating oil, and the switching valve assembly is connected with the oil outlet of the second filter; the filtering device comprises a third filter which is connected with the switching valve assembly to perform three-stage filtering on the lubricating oil passing through the switching valve assembly. Realizing tertiary filtration of lubricating oil, meeting the requirement of industrial equipment lubrication management on 'tertiary filtration', reducing the impurity content in the oil, preventing impurities such as dust and the like from entering the equipment along with the oil.

Description

Lubricating oil filling machine

Technical Field

The utility model relates to the technical field of filling machines, in particular to a lubricating oil filling machine.

Background

In the industrial production process, the lubricating system plays a very important role, and whether the lubricating system can work normally directly influences the smooth production, so that the quality of equipment lubrication is a necessary condition for smooth production. Fully utilizing the modern lubrication technology can obviously improve the service performance and service life of the machine and reduce the energy consumption. Some even consider "lubricating oil as a part of a machine".

At present, in the existing lubricating oil filling device in the market, only one filter is arranged in a main machine in the process link, and a filter screen is arranged in a flowmeter, so that the positive process link only realizes secondary filtration, and the industrial lubricating oil tertiary filtration requirement cannot be met.

Disclosure of Invention

The utility model aims to provide a lubricating oil filling machine which can realize three-stage filtering of lubricating oil.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the present utility model provides a lubrication oil dispenser comprising: the oil inlet device is provided with a first filter, an oil inlet end and an oil outlet end, wherein the oil inlet end is used for being connected with an oil drum so as to carry out primary filtration on lubricating oil entering the oil inlet device through the first filter, and the first filter is arranged between the oil inlet end and the oil outlet end; the electric device comprises an electric assembly, a second filter and a switching valve assembly, wherein the electric assembly is connected with the oil outlet end, the second filter is connected with the electric assembly through a pipeline so as to carry out secondary filtration on lubricating oil, and the switching valve assembly is connected with an oil outlet of the second filter through a pipeline; and the filtering device comprises a third filter, and the third filter is connected with the switching valve assembly through a pipeline and is used for performing three-stage filtering on the lubricating oil passing through the switching valve assembly.

In the process of the realization, the first filter is arranged between the oil inlet end and the oil outlet end, the second filter is connected with the electric assembly through a pipeline, and the third filter is connected with the switching valve assembly, so that when the electric assembly works, firstly, the lubricating oil in the oil drum passes through the first filter to realize primary filtration, then, after the lubricating oil passes through the second filter, secondary filtration is realized, finally, after the lubricating oil passes through the switching valve assembly, the lubricating oil can be directly discharged, and also can enter the third filter to carry out tertiary filtration on the lubricating oil, thereby realizing the tertiary filtration of the lubricating oil, meeting the requirements of industrial equipment lubrication management on three filtration, reducing the impurity content in the lubricating oil, and preventing impurities such as dust and the like from entering the equipment along with the lubricating oil.

In some embodiments, the switching valve assembly includes a first switching valve connected between the second filter and the third filter by a conduit to form a first branch. Through set up first switching valve between second filter and third filter for the user can carry out secondary filtering or tertiary filtration according to oil viscosity grade, reduces impurity content in the fluid.

In some embodiments, the switching valve assembly further comprises a second switching valve connected to the line between the first switching valve and the second filter to form a second branch. Through set up the second switching valve between first switching valve and second filter for the user is when lower to oil viscosity grade, can select to close the second switching valve, and the mode that first switching valve opened realizes tertiary filtration to lubricating oil, when higher to oil viscosity grade, can select to close the first switching valve, and the mode that the second switching valve opened realizes the secondary filtration to lubricating oil, is favorable to improving the flexibility of product.

In some embodiments, the lubrication oil dispenser further comprises a buffer tank in communication with the second branch and the third filter, respectively. Through setting up the buffer tank, can make lubricating oil after second grade filtration or tertiary filtration, buffer tank is to after the lubricating oil buffering after the filtration, is filled by the buffer tank.

In some embodiments, the buffer tank is further in communication with the first filter, and a one-way valve is disposed between the buffer tank and the first filter for controlling the flow of lubricant from the buffer tank to the first filter. Through with buffer tank and first filter intercommunication for the lubricating oil that overflows from buffer tank can flow back to first filter, can avoid lubricating oil to spill over, thereby guarantees not to bring the pollution for equipment or environment.

In some embodiments, the lubricating oil filling machine further comprises an oil outlet branch, wherein the oil outlet branch is connected with the bottom of the buffer oil tank, and the oil outlet branch is sequentially provided with a manual oil outlet valve, a flowmeter and an oil outlet electromagnetic valve. Through setting up out oil branch road in the bottom of buffering oil tank for through second grade or tertiary filterable lubricating oil can be according to out oil branch road and annotate, can guarantee the leakproofness of whole in-process, reduce the entering of pollutants such as dust, avoid lubricating oil secondary pollution.

In some embodiments, the lubricating oil dispenser further comprises a vent branch, one end of the vent branch is connected with the buffer tank, and the other end of the vent branch is connected between the manual oil outlet valve and the flow meter for discharging gas in the buffer tank. Through set up the exhaust branch road at buffer tank for when first use, first with the oil branch road that goes out close, the exhaust branch road is opened, until after the exhaust branch road discharges lubricating oil, open the oil branch road that goes out, close the exhaust branch road, can exhaust the air in the buffer tank, guarantee the quality of lubricating oil.

In some embodiments, the lubrication oil filler further comprises a level switch disposed inside the buffer oil tank for monitoring the level of lubrication oil in the buffer oil tank.

In some embodiments, the electric device further comprises a first pressure gauge and a pressure controller, both of which are disposed in the tubing between the electric component and the second filter.

In some embodiments, the lubricant filling machine further comprises a box body, the box body is provided with a containing cavity, the containing cavity is configured to contain the electric device and the filtering device, at least one surface of the box body is arranged in a recessed manner to form an opening-shaped oil receiving cavity, and an oil receiving groove is formed in the bottom of the oil receiving cavity.

In the process of the realization, through setting up electric device and filter equipment in the holding chamber of box, can realize getting oil under the semi-closed environment, avoid getting secondary pollution that oily in-process brought, set up on the box simultaneously and connect the oil pocket, and connect oil pocket department to be provided with and connect the oil groove for at the in-process of getting oil, can reduce the entering of pollutants such as dust, avoid the secondary pollution of oil, simultaneously when meetting emergency and cause the oil to overflow, the oil that overflows can directly retrieve to connect the oil groove, avoid the oil to overflow the equipment or the environmental pollution who brings.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for the users of the art.

Fig. 1 is a schematic structural diagram of a lubricant filling machine according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a lubricant filling machine according to an embodiment of the present utility model at another view angle.

Fig. 3 is a schematic diagram of an internal structure of a lubricant filling machine according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of an oil inlet device of a lubricant filling machine according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram of a lubricant filling machine according to an embodiment of the present utility model.

Reference numerals

100. An oil inlet device; 101. a first filter; 102. an oil pipe; 103. a horsetooth buckle; 104. a fixing member; 105. an elbow; 106. a quick connector pin; 107. a quick connector female buckle; 108. an oil inlet end; 109. an oil inlet valve; 110. a filter; 111. a dust plug; 200. an electric device; 201. a motor; 202. an oil pump; 203. a second filter; 204. a first switching valve; 205. a second switching valve; 206. a first pressure gauge; 207. a pressure controller; 300. a filtering device; 301. a third filter; 400. a case; 401. an oil receiving cavity; 402. a filter screen structure; 403. an oil receiving port; 500. a buffer oil tank; 501. a second pressure gauge; 502. a manual oil outlet valve; 503. a flow meter; 504. an oil outlet electromagnetic valve; 505. an exhaust branch; 506. a liquid level switch; 507. a one-way valve; 508. a level gauge.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. Based on the embodiments of the present utility model, all other embodiments that a user of ordinary skill in the art could achieve without inventive effort are within the scope of the present utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood in specific cases for users of ordinary skill in the art.

Examples

As shown in fig. 1 to 5, in a first aspect, the present utility model provides a lubricant filling machine, including: the oil inlet device 100 is provided with a first filter 101, an oil inlet end 108 and an oil outlet end, wherein the oil inlet end 108 is used for being connected with an oil drum so as to perform primary filtration on lubricating oil entering the oil inlet device 100 through the first filter 101, and the first filter 101 is arranged between the oil inlet end 108 and the oil outlet end; the electric device 200 comprises an electric component, a second filter 203 and a switching valve component, wherein the electric component is connected with the oil outlet end, the second filter 203 is connected with the electric component through a pipeline so as to carry out secondary filtration on lubricating oil, and the switching valve component is connected with an oil outlet of the second filter 203 through a pipeline; the filtering device 300 comprises a third filter 301, wherein the third filter 301 is connected with the switching valve assembly through a pipeline for three-stage filtering of the lubricating oil passing through the switching valve assembly.

Illustratively, at least part of the structure of the oil inlet device 100 is disposed inside the oil drum, the first filter 101 of the oil inlet device 100 may be connected between the oil inlet end 108 and the oil outlet end by a threaded connection manner, an oil inlet valve 109 is disposed between the first filter 101 and the oil inlet end 108, so as to implement primary filtration, and by adopting a threaded connection manner, replacement and maintenance may be facilitated, where the first filter 101 includes but is not limited to a steel mesh filter, and the filtration precision of the first filter 101 is 300um; the electric component of the electric device 200 comprises an oil pump 202 and a motor, the motor is connected with the oil pump 202, the oil pump 202 is connected between the first filter 101 and the second filter 203, the oil pump 202 can adopt a diaphragm pump, etc., the second filter 203 is arranged on the oil outlet side of the electric component, the second filter 203 comprises but is not limited to a steel mesh filter, the filtering precision of the second filter 203 is 200um, the second filter 203 can realize secondary filtering of lubricating oil, meanwhile, two ends of the second filter 203 can adopt threaded connection, and a filter element inside the second filter adopts a steel mesh filter element, so that maintenance and cleaning are convenient; the third filter 301 includes, but is not limited to, a precision filter, the filtering precision of the third filter 301 is 100um, the third filter 301 can implement fine filtration, and two ends of the third filter 301 may also be connected by threads, so that when the oil inlet device 100 extracts the lubricating oil in the oil tank, the lubricating oil can sequentially pass through the first filter 101, the second filter 203 and the third filter 301, thereby completing three-stage filtration of the lubricating oil, which is beneficial to reducing the impurity content in the lubricating oil, and in order to ensure the cleanliness of the first filter 101, the second filter 203 and the third filter 301, the bottoms of the first filter 101, the second filter 203 and the third filter 301 are all connected with a drain valve by pipelines.

In the implementation process, the first filter 101 is arranged between the oil inlet end 108 and the oil outlet end, the second filter 203 is arranged between the electric component and the oil outlet end, and the third filter 301 is connected with the switching valve component, so that when the electric component works, firstly, the lubricating oil in the oil drum passes through the first filter 101 to realize primary filtration, then, after passing through the second filter 203, secondary filtration is realized, finally, after passing through the switching valve component, the lubricating oil enters the third filter 301 to realize tertiary filtration of the lubricating oil, the requirement of industrial equipment lubrication management 'three filtration' is met, the impurity content in the oil is reduced, and dust and other impurities are prevented from entering the equipment along with the oil.

As shown in fig. 5, the switching valve assembly includes a first switching valve 204, and the first switching valve 204 is connected between the second filter 203 and the third filter 301 through a pipe to form a first branch. By arranging the first switching valve 204 between the second filter 203 and the third filter 301, a user can perform secondary filtration or tertiary filtration according to the viscosity grade of the oil, and the impurity content in the oil is reduced.

In some embodiments, the switching valve assembly further includes a second switching valve 205, where the second switching valve 205 is connected to a pipeline between the first switching valve 204 and the second filter 203 to form a second branch, it is understood that, through the first switching valve 204 and the second switching valve 205, the first branch and the second branch are two branches connected in parallel, and in an actual working process, only one of the first switching valve 204 and the second switching valve 205 works (only one of the first branch and the second branch may be controlled to be conducted when the viscosity of lubricating oil is controlled, for example, when the viscosity of the lubricating oil is high-viscosity oil). Through setting up the second switching valve 205 between first switching valve 204 and second filter 203 for the user is when lower to the oil viscosity grade, can select to close the second switching valve 205, and the mode that first switching valve 204 opened realizes tertiary filtration to lubricating oil, when higher to the oil viscosity grade, can select to close first switching valve 204, and the mode that second switching valve 205 opened realizes the secondary filtration to lubricating oil, is favorable to improving the flexibility of product.

In some embodiments, the lubricating oil filling machine further includes a buffer oil tank 500, where the buffer oil tank 500 is respectively communicated with the second branch and the third filter 301, and a second pressure gauge 501 may be provided on the buffer oil tank 500 to monitor the pressure inside the buffer oil tank, and as an example, the buffer oil tank 500 may be a 10L (304 stainless steel) oil tank, and the buffer oil tank 500 may automatically stop pumping when in a high position, and may automatically pump (i.e. the electric component works when in a low position). Through setting up buffer tank 500, can make lubricating oil through secondary filtering or tertiary filtration after, buffer tank 500 is to the lubricating oil buffering after filtering after, is filled by buffer tank 500.

In some embodiments, the buffer tank 500 is also in communication with the first filter 101, and a one-way valve 507 (e.g., 0.05 mpa) is disposed between the buffer tank 500 and the first filter 101 for controlling the flow of lubricant from the buffer tank 500 to the first filter 101. By communicating the buffer tank 500 with the first filter 101, the lubricating oil overflowed from the buffer tank 500 can flow back to the first filter 101, and the lubricating oil can be prevented from overflowing, thereby ensuring that no pollution is brought to equipment or the environment.

In some embodiments, the lubricant filling machine further comprises an oil outlet branch, wherein the oil outlet branch is connected with the bottom of the buffer oil tank 500, and the oil outlet branch is sequentially provided with a manual oil outlet valve 502, a flowmeter 503 and an oil outlet electromagnetic valve 504. Through setting up out oil branch road in the bottom of buffer tank 500 for lubricating oil through second grade or tertiary filtration can be according to out oil branch road and annotate, can guarantee the leakproofness of whole in-process, reduces the entering of pollutants such as dust, avoids lubricating oil secondary pollution.

In some embodiments, the lubricant dispenser further comprises a vent branch 505, one end of the vent branch 505 is connected to the buffer tank 500, and the other end of the vent branch 505 is connected between the manual oil outlet valve 502 and the flow meter 503, for exhausting the gas in the buffer tank 500. Through set up exhaust branch road 505 at buffer tank 500 for when first use, first with the oil branch road that goes out closed, exhaust branch road 505 opens, until after exhaust branch road 505 discharges lubricating oil, opens the oil branch road, closes exhaust branch road 505, can exhaust the air in the buffer tank 500, guarantees the quality of lubricating oil.

In some embodiments, the lubricant filling machine further comprises a liquid level switch 506 and a liquid level meter 508, wherein the liquid level switch 506 and the liquid level meter 508 are both arranged inside the buffer oil tank 500, so as to be used for monitoring the liquid level of the lubricant in the buffer oil tank 500, and thus, pumping is automatically stopped in a high position and is automatically pumped in a low position.

In some embodiments, the electric device 200 further comprises a first pressure gauge 206 and a pressure controller 207, wherein the first pressure gauge 206 and the pressure controller 207 are disposed in a pipeline between the electric component and the second filter 203.

As shown in fig. 4, the oil inlet device 100 includes an oil pipe 102 and a button 103, the button 103 is communicated with the oil pipe 102, a filter element 110 is disposed at the bottom of the oil pipe 102, the filter element 110 may be used to extend into an inner cavity of an oil drum, a filter screen is disposed inside the filter element 110, and one side of the button 103 away from the oil pipe 102 is connected with the oil inlet end 108, the length of the oil pipe 102 may be set to 1000mm, although the length of the oil pipe 102 may also be less than or greater than 1000mm, the oil pipe 102 may be made of stainless steel, and the size of the oil pipe 102 may be set according to practical situations. Through being connected the horseshoe 103 with oil pipe 102, can realize when oil pipe 102 goes deep into the oil drum to through the horseshoe 103 quick realization oil pipe 102 with advance oil end 108's connection, increased oil pipe 102's stability.

In some embodiments, the oil inlet device 100 further includes a bend 105, the bend 105 is disposed at 90 °, the bend 105 is disposed between the cam buckle 103 and the oil pipe 102, and the bend 105 is screwed to an upper end of the oil pipe 102.

In some embodiments, the oil inlet device 100 further comprises a joint assembly disposed between the elbow 105 and the button 103, wherein the joint assembly comprises a quick connector female fastener 107 and a quick connector male fastener 106, the quick connector female fastener 107 is connected with the button 103, and the quick connector male fastener 106 is connected with the elbow 105, so that when the quick connector female fastener 107 is matched with the quick connector male fastener 106, the connection between the button 103 and the elbow 105 is completed.

In some embodiments, the oil inlet device 100 further includes a fixing member 104, where the fixing member 104 includes, but is not limited to, a sealing fixing tube, the fixing member 104 is sleeved on the oil pipe 102, so that when a part of the structure of the oil pipe 102 is disposed in an inner cavity of an oil drum, an outer edge of the fixing member 104 is connected with the oil drum, and the fixing member 104 may be configured to move relative to an axial direction of the oil pipe 102, so as to adapt to the oil drum, and it is noted that the oil pipe 102 includes a first section and a second section, a dust plug 111 is disposed between the first section and the second section, a filter 110 is disposed on a side of the second section away from the dust plug 111, and a side of the second section away from the dust plug 111 is used for connection with the fixing member 104. Through cover set up mounting 104 on oil pipe 102 for when oil pipe 102 inserts the oil drum, can form oil pipe 102 and oil drum through mounting 104 and be connected, also can play sealed effect in mounting 104 and oil drum complex in-process.

In some embodiments, the lubricant dispenser further comprises a housing 400, the housing 400 is provided with a receiving cavity, the receiving cavity is configured to receive the electric device 200 and the filtering device 300, and a control panel may be provided on the housing 400 for connection with the electric device 200, the filtering device 300 and the flow sensor. Through setting up electric device 200 and filter equipment 300 in the holding chamber of box 400, can realize getting oil under the semi-closed environment, avoid getting secondary pollution that oily in-process brought.

As shown in fig. 4, at least one of the oil receiving chambers 400 is concavely disposed toward the inside to form an opening-shaped oil receiving chamber 401, an oil receiving port 403 may be disposed at the oil receiving chamber 401, an oil receiving groove is disposed at the bottom of the oil receiving chamber 401, a drain port communicating with the oil receiving groove is disposed at a side wall of the oil receiving chamber 400, the size of the oil receiving chamber 401 includes, but is not limited to 400mm x 540mm, a filter screen structure 402 is disposed at the bottom of the oil receiving chamber 401, so that when the oil receiving chamber 401 is placed in an oil can flow into the oil can through the oil receiving port 403 after three times of filtration, and when oil overflows, the oil can flow into the oil receiving chamber through the filter screen structure 402 and be discharged through the drain port, it is required that, in order to ensure tightness of the oil receiving chamber 401, a sealing door (not illustrated in the drawings) is disposed at a position of the oil receiving chamber 401, and the sealing door may be of a split type or a movable type.

In the process of the realization, through setting up on box 400 and connect oil pocket 401, and connect oil pocket 401 department to be provided with and connect the oil groove for at the in-process of getting oil, can reduce the entering of pollutants such as dust, avoid the secondary pollution of oil, when meetting emergency and causing the oil to overflow simultaneously, the oil that overflows can directly retrieve to connect the oil groove, avoids the equipment or the environmental pollution that the oil overflowed and brings.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A lubrication oil dispenser, comprising:

the oil inlet device is provided with a first filter, an oil inlet end and an oil outlet end, wherein the oil inlet end is used for being connected with an oil drum so as to carry out primary filtration on lubricating oil entering the oil inlet device through the first filter, and the first filter is arranged between the oil inlet end and the oil outlet end;

the electric device comprises an electric assembly, a second filter and a switching valve assembly, wherein the electric assembly is connected with the oil outlet end, the second filter is connected with the electric assembly through a pipeline so as to carry out secondary filtration on lubricating oil, and the switching valve assembly is connected with an oil outlet of the second filter through a pipeline;

and the filtering device comprises a third filter, and the third filter is connected with the switching valve assembly through a pipeline and is used for performing three-stage filtering on the lubricating oil passing through the switching valve assembly.

2. The lube oil dispenser of claim 1 wherein said switch valve assembly comprises a first switch valve connected between said second filter and said third filter by a conduit to form a first branch.

3. The lube oil fill machine of claim 2 wherein said switching valve assembly further comprises a second switching valve connected to a line between said first switching valve and said second filter to form a second branch.

4. A lubrication oil dispenser according to claim 3, further comprising a buffer tank in communication with the second branch and the third filter, respectively.

5. The lubrication oil dispenser of claim 4, wherein the buffer tank is further in communication with the first filter, and a one-way valve is disposed between the buffer tank and the first filter for controlling the flow of lubrication oil from the buffer tank to the first filter.

6. The lubrication oil filling machine according to claim 4, further comprising an oil outlet branch connected to the bottom of the buffer tank, wherein the oil outlet branch is provided with a manual oil outlet valve, a flow meter and an oil outlet solenoid valve in sequence.

7. The lubrication oil dispenser of claim 6, further comprising a vent branch having one end connected to the buffer tank and the other end connected between the manual oil outlet valve and the flow meter for venting gas from the buffer tank.

8. The lubrication oil dispenser of claim 4, further comprising a level switch disposed within the buffer tank for monitoring a level of lubrication oil within the buffer tank.

9. The lubrication oil dispenser of claim 1, wherein the electric device further comprises a first pressure gauge and a pressure controller, the first pressure gauge and the pressure controller both disposed in a conduit between the electric assembly and the second filter.

10. The lubrication oil dispenser of claim 1, further comprising a housing having a receiving cavity configured to receive the electric device and the filter device, and at least one of the housing being recessed inwardly to form an open oil receiving cavity, the bottom of the oil receiving cavity being provided with an oil receiving groove.