CN111589207A

CN111589207A - Filter equipment is used in lubricating oil production and processing

Info

Publication number: CN111589207A
Application number: CN202010483418.8A
Authority: CN
Inventors: 李义飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-08-28

Abstract

The invention discloses a filtering device for producing and processing lubricating oil, which belongs to the technical field of producing and processing lubricating oil and comprises an oil inlet device, a filtering barrel, a first filtering device, a second filtering device and an oil outlet device, wherein the filtering barrel is of a barrel-shaped structure with an upper cylinder and a lower cone, the oil inlet device is arranged on the upper side surface of the filtering barrel, the first filtering device is arranged at the upper part of the inner side of the filtering barrel, the second filtering device is arranged in the filtering barrel, the second filtering device is positioned below the first filtering device, and the oil outlet device is arranged at the bottom of the filtering barrel. This filter equipment has avoided the oil to glue the consequence that is difficult to production through the constant temperature treatment to crude oil in the use, simultaneously through the cooperation of atmospheric pressure and two sets of removable filter, has realized high efficiency filtration, high accuracy filterable effect, is convenient for maintain, washs the change, and the practicality is strong.

Description

Filter equipment is used in lubricating oil production and processing

Technical Field

The invention relates to the technical field of lubricating oil production and processing, in particular to a filtering device for lubricating oil production and processing.

Background

In modern industrial production and mechanical transmission, lubricating oil becomes an indispensable lubricant, and the use of the lubricating oil is very wide, so the demand is large, but in the production and processing processes of the lubricating oil, crude oil of the lubricating oil needs to be filtered, excessive oil residue, impurities and the like are prevented from damaging mechanical parts, and the abrasion is increased.

But current lubricating oil filter equipment only removes the sediment simply, and simple filtering through the filter screen is not enough to some problem solutions, for example the publication is CN 107875735A's a filter equipment of lubricating oil production and processing usefulness, the device includes the filter vat, the filter vat in be provided with the fixed plate, the filter vat in the top be provided with scrape the sediment device, just scrape the sediment device mainly constitute by drive wheel and drive chain, just drive chain on fixed connection scrape the sediment board, the filter vat in be provided with the filtration regulating plate, the filtration regulating plate in sliding connection have super fine filter, the filter vat lateral wall on articulated have the telescopic link, just super fine filter terminal fixedly connected with stopper, the stopper top with the telescopic link articulated. This filter equipment has improved the filter fineness of lubricating oil through the filtration mode of adjusting lubricating oil to lubricating oil filter fineness's requirement in the use, and lubricating oil impurity is hung out in the filter fineness, makes things convenient for people to use, and lubricating oil has avoided winter the temperature to hang down excessively and has leaded to being difficult to the condition emergence of discharging through the live-rollers, and the practicality is strong.

This device has the following disadvantages:

the filtering efficiency is low, the speed is too low, and the water can only slowly flow;

when the oil residue is removed, the oil residue is not sufficiently removed, and the oil residue is easy to throw onto the inner wall of the filter barrel and finally falls into the filter barrel;

when the oil residue is removed, a large amount of lubricating oil is easy to be carried out, is difficult to collect, causes waste and easily pollutes the production environment;

only considering that the oil outlet is easy to block when the temperature is low in winter, but when the oil inlet is carried out, the temperature is too low, the crude oil of the lubricating oil is viscous, the filtering speed can be reduced, and even the accumulation overflow can be caused.

All parts are inconvenient to disassemble and maintain, and are inconvenient to clean and replace, so that the filter element is inconvenient to replace due to long-time use, the filtering precision is greatly reduced, and the filter is inconvenient and practical.

Disclosure of Invention

The invention aims to provide a filtering device for producing and processing lubricating oil, which aims to solve the technical problems of low filtering efficiency, insufficient oil and slag removal, inconvenience in disassembly, cleaning and replacement and low filtering precision in the prior art.

The invention provides a filtering device for producing and processing lubricating oil, which comprises an oil inlet device, a filtering barrel, a first filtering device, a second filtering device and an oil outlet device, wherein the filtering barrel is of a barrel-shaped structure with an upper cylinder and a lower cone, the oil inlet device is arranged on the upper side surface of the filtering barrel, the first filtering device is arranged at the upper part of the inner side of the filtering barrel, the second filtering device is arranged in the filtering barrel, the second filtering device is positioned below the first filtering device, and the oil outlet device is arranged at the bottom of the filtering barrel.

Further, the oil inlet device comprises an oil inlet funnel, a vertical bent pipe, a heating pipe, heating wires, heating wire frames, a heating cover, a heating switch and an oil inlet straight pipe, wherein the oil inlet straight pipe is vertically arranged on the upper side wall of the filtering barrel, one end of the oil inlet straight pipe penetrates through the side wall of the filtering barrel, one end of the heating pipe is connected with the other end of the oil inlet straight pipe, one end of the vertical bent pipe faces upwards, the other end of the vertical bent pipe is horizontally connected with the other end of the heating pipe, the heating cover is cylindrical, the heating cover is sleeved outside the heating pipe, gaps are reserved between the inner wall of the heating cover and the outer wall of the heating pipe, the heating wires are arranged outside the heating pipe in a surrounding manner, the heating wires are positioned between the heating cover and the heating pipe, the heating wire frames are rectangular branch strips and are three in number, and are fixed on the inner wall of the heating, the heating switch is installed on the heating cover, the oil inlet funnel is a funnel-shaped structure of an upper cylinder and a lower cylinder, and the bottom of the oil inlet funnel is connected with the upward end of the vertical bent pipe.

Further, the first filtering device comprises a hydraulic telescopic rod, a filtering barrel cover, a pressure push plate, a slag scraping cross fan blade, a first filtering plate, a servo motor, a motor cover, a fan blade bolt and an air inlet and outlet device, the filtering barrel cover is arranged at the top of the filtering barrel, the hydraulic telescopic rod is vertically arranged at the top of the filtering barrel cover, an output shaft vertically penetrates through the filtering barrel cover downwards, four rectangular sliding grooves are formed in the inner wall of the filtering barrel, the pressure push plate is a pressing plate with a circular structure, the pressure push plate is in downward sliding fit with the sliding grooves, the pressure push plate is arranged at the bottom of the output shaft of the hydraulic telescopic rod, the air inlet and outlet device is arranged on the outer wall of the filtering barrel and is positioned at the upper part of the filtering barrel, the first filtering plate is also in downward sliding fit with the sliding grooves, and the first, first filter block is installed just be located in the filter vat the spout bottom, servo motor is vertical to be installed the bottom of first filter, servo motor's output shaft upwards runs through first filter, the motor cover is the rectangle structure and upwards opens, the motor cover covers hermetically and establishes servo motor is outside, it all is the triangle-shaped structure to scrape sediment cross flabellum, and scrape the bottom plane of sediment cross flabellum with first filter in close contact with, scrape sediment cross flabellum and install on the output shaft at servo motor top, scrape in the middle of the sediment cross flabellum with all be equipped with the jack on servo motor's the output shaft, the flabellum bolt is installed on the jack.

Further, the air inlet and outlet device comprises an air inlet and outlet pipe, an air inlet and outlet valve, an electric control switch and a manual switch, wherein one end of the air inlet and outlet pipe is vertically communicated with the upper end of the filter barrel, the air inlet and outlet valve is installed at the other end of the air inlet and outlet pipe, the electric control switch is installed at the upper end of the air inlet and outlet valve, and the manual switch is installed at the lower end of the air inlet and outlet valve.

Further, the second filtering device comprises an arc-shaped baffle plate, a second filtering plate, a filtering plate head, a pull ring and a fine filtering net, the second filter plate is of a structure with two arc ends and a rectangular middle part, the upper part of the second filter plate is provided with a rectangular through groove, and a plurality of rectangular supporting strips are arranged on the through groove, the fine filter screen is laid on the through groove, two containing openings capable of containing the second filter plates are horizontally arranged on the side wall of the filter barrel, the second filter plates can be pulled into the filter barrel through the containing openings, the arc-shaped baffle is fixedly attached outside an accommodating port on the side wall of the filter barrel, the filter plate head is arranged at one end of the second filter plate far away from the arc-shaped baffle, the filter plate head is attached to the outer side wall of the filter barrel, and the pull ring is installed on the filter plate head.

Further, the oil outlet device comprises an oil outlet, an oil outlet pipe, an oil outlet valve and a rotary table, wherein the oil outlet is vertically arranged at the bottom of the filter barrel, the top end of the oil outlet valve is vertically connected with the oil outlet, the bottom end of the oil outlet valve is vertically connected with the oil outlet pipe, the rotary table is a circular rotary table, and the rotary table is arranged on the oil outlet valve.

Compared with the prior art, the invention has the beneficial effects that:

one of them, traditional filter equipment only can be through gravity action trickling filtration naturally, and efficiency is slow, and the pressure push pedal that this device was equipped with can push away first filter with lubricating oil crude oil rapidly, has improved filtration efficiency greatly.

Secondly, the traditional filter device only considers the oil production in winter at low temperature, but does not consider the low temperature of the oil inlet, and the crude oil of the lubricating oil is easy to be viscous and thickened and is difficult to pass through the filter plate, so that the accumulation and overflow are caused.

Thirdly, the deoiling sediment part of traditional filter equipment, it is not abundant to deoil the sediment, has lubricating oil and throws away together when deoiling the sediment moreover, inconvenient collection, very waste and not environmental protection.

Fourthly, the filtering element in the traditional filtering device is not easy to detach, clean and replace, is easy to cause long-time use, the filtering precision is reduced, and the filtering element of the device is detached through upward sliding or drawing, thereby being very convenient.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an internal exploded view of the present invention;

fig. 5 is an external exploded view of the present invention.

Reference numerals: the device comprises an oil inlet device 1, a filter barrel 2, a first filter device 3, a second filter device 4, an oil outlet device 5, an oil inlet funnel 11, a vertical curved pipe 12, a heating pipe 13, a heating wire 14, a heating wire frame 15, a heating cover 16, a heating switch 17, an oil inlet straight pipe 18, a hydraulic telescopic rod 31, a filter barrel cover 21, a pressure push plate 32, a slag scraping cross-shaped fan blade 33, a first filter plate 34, a servo motor 35, a motor cover 36, a fan blade bolt 331, an air inlet and outlet device 37, a chute 38, a jack 332, an air outlet pipe 371, an air inlet and outlet valve 372, an electric control switch 373, a manual switch 374, a second filter plate 41, a filter plate head 42, a pull ring 43, a fine filter screen 44, a through groove 45, a supporting bar 46, a containing port 47, an arc-shaped baffle 48, an oil outlet.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention 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 present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the present invention provides a filtering apparatus for producing and processing lubricating oil, including an oil inlet apparatus 1, a filtering barrel 2, a first filtering apparatus 3, a second filtering apparatus 4, and an oil outlet apparatus 5, the filtering barrel 2 is of a barrel-shaped structure with an upper cylinder and a lower cone, the oil inlet device 1 is arranged on the upper side surface of the filtering barrel 2, the first filtering device 3 is arranged at the upper part of the inner side of the filtering barrel 2, the second filtering device 4 is arranged in the filtering barrel 2, the second filtering device 4 is positioned below the first filtering device 3, the oil outlet device 5 is arranged at the bottom of the filtering barrel 2, through like this oil feed device 1, filter vat 2, first filter equipment 3, second filter equipment 4 and the cooperation of the device of producing oil 5, constituted a complete lubricating oil filter equipment.

The oil feeding device 1 comprises an oil feeding funnel 11, a vertical bent pipe 12, a heating pipe 13, a heating wire 14, a heating wire frame 15, a heating cover 16, a heating switch 17 and an oil feeding straight pipe 18, wherein the oil feeding straight pipe 18 is vertically arranged on the upper side wall of the filter barrel 2, one end of the oil feeding straight pipe 18 penetrates through the side wall of the filter barrel 2, one end of the heating pipe 13 is connected with the other end of the oil feeding straight pipe 18, one end of the vertical bent pipe 12 faces upwards, the other end of the vertical bent pipe 12 is horizontally connected with the other end of the heating pipe 13, the heating cover 16 is cylindrical, the heating cover 16 is sleeved outside the heating pipe 13, a gap is reserved between the inner wall of the heating cover 16 and the outer wall of the heating pipe 13, the heating wire 14 is arranged around the outside of the heating pipe 13, the heating wire 14 is arranged between the heating cover 16 and the heating pipe 13, the heating wire frame, heating wire 14 is through three heating wire frame 15 is fixed on the inner wall of heating mantle 16, can be to getting into like this the lubricating oil of filter vat 2 suitably heaies up the heat preservation, prevents that lubricating oil from becoming more viscous under microthermal environment, is difficult to filter, is in easily pile up in the filter vat 2, greatly reduced filtration efficiency, the heating switch is installed on the heating mantle 16, the funnel-shaped structure of circular cone under the oil feed funnel 11 is the last cylinder, the bottom of oil feed funnel 11 with perpendicular bent pipe 12's one end up is connected, can slowly pour into the various lubricating oil that need carry out the filtration like this in the oil feed funnel 11, make things convenient for the feeding production.

The first filtering device 3 comprises a hydraulic telescopic rod 31, a filtering barrel cover 21, a pressure push plate 32, a slag scraping cross fan blade 33, a first filtering plate 34, a servo motor 35, a motor cover 36, a fan blade bolt 331 and an air inlet and outlet device 37, the filtering barrel cover 21 is covered on the top of the filtering barrel 2, the hydraulic telescopic rod 31 is vertically installed on the top of the filtering barrel cover 21, an output shaft vertically penetrates through the filtering barrel cover 21 downwards, four rectangular sliding grooves 38 are arranged on the inner wall of the filtering barrel 2, the pressure push plate 32 is a pressing plate with a circular structure, the pressure push plate 32 is in downward sliding fit with the sliding grooves 38, the pressure push plate 32 is installed at the bottom of the output shaft of the hydraulic telescopic rod 31, the air inlet and outlet device 37 is installed on the outer wall of the filtering barrel 2 and is positioned on the upper part of the filtering barrel 2, and thus, through the combination of the, a piston-shaped structure is formed, air on the upper part of the filter barrel 2 can be pressed downwards, so that the downward filtering speed of lubricating oil is accelerated, meanwhile, the air inlet and outlet device 37 is opened, air can be exhausted when the filter barrel is contracted, the first filter plate 34 can also be in downward sliding fit with the sliding chute 38, the first filter plate 34 is of a circular filter plate structure, the first filter plate 34 is clamped and installed in the filter barrel 2 and is positioned at the bottom of the sliding chute 38, the servo motor 35 is vertically installed at the bottom of the first filter plate 34, the output shaft of the servo motor 35 upwards penetrates through the first filter plate 34, the motor cover 36 is of a rectangular structure and is opened upwards, the motor cover 36 is hermetically covered outside the servo motor 35, the slag scraping cross fan blades 33 are all of a triangular structure, and the bottom plane of the slag scraping cross fan blades 33 is in close contact with the first filter plate 34, scrape sediment cross flabellum 33 and install on the output shaft at servo motor 35 top, scrape sediment cross flabellum 33 middle with all be equipped with jack 332 on servo motor 35's the output shaft, fan blade bolt 331 is installed on jack 332 is last, can scrape the sediment like this scrape sediment cross flabellum 33 with servo motor 35's output is connected, can pass through like this scrape sediment cross flabellum 33 give the accumulational dregs of oil of upper surface clearance of first filter 34 prevents that the dregs of oil from blockking up or piling up on the first filter 34, causes the filter efficiency slow, the poor condition of effect, such convenient the disassembling of structure simultaneously picks up the washing, unusual practical convenient.

The air inlet and outlet device 37 comprises an air inlet and outlet tube 371, an air inlet and outlet valve 372, an electric control switch 373 and a manual switch 374, one end of the air inlet and outlet tube 371 is vertically communicated with the upper end of the filter barrel 2, the air inlet and outlet valve 372 is arranged at the other end of the air inlet and outlet tube 371, the electric control switch 373 is arranged at the upper end of the air inlet and outlet valve 372, therefore, the operation of the pressure push plate 32 can be controlled by matching with the hydraulic telescopic rod 31, the phenomenon that the pressure is too high or too low and cannot return is prevented, the manual switch 374 is arranged at the lower end of the air inlet and outlet valve 372, thus, when the equipment is in failure or power failure, the air inlet and outlet valve 372 can still be opened manually, the pressure between the pressure push plate 32 and the filter barrel cover 21 is balanced, no excessive pressure difference occurs, and the pressure push plate 32 can freely move in the filter barrel 2 in an extending or retracting manner.

The second filtering device 4 comprises an arc-shaped baffle plate 48, a second filtering plate 41, a filtering plate head 42, a pull ring 43 and a fine filtering net 44, the second filtering plate 41 is of a structure with two arc-shaped ends, the upper part of the second filtering plate 41 is provided with a rectangular through groove 45, the through groove 45 is provided with a plurality of rectangular supporting strips 46, the fine filtering net 44 is laid on the through groove 45, so that lubricating oil can be finely filtered through the fine filtering net 44, the side wall of the filtering barrel 2 is horizontally provided with two containing ports 47 for containing the second filtering plate 41, the second filtering plate 41 can be pulled into the inside of the filtering barrel 2 through the containing ports 47, the arc-shaped baffle plate 48 is attached and fixed outside one containing port 47 on the side wall of the filtering barrel 2, so that the second filtering plate 41 can be blocked, and the second filtering plate 41 is prevented from being excessively pushed, lead to the filter vat 2 leakproofness is poor, filter plate head 42 is installed the second filter 41 is kept away from cowl 48's one end, filter plate head 42 with the outside wall laminating of filter vat 2, fine increase like this the leakproofness in the filter vat 2, pull ring 43 is installed on the filter plate head 42, conveniently pulls out second filter 41, the structure of such pull formula, the rethread cowl 48 and filter plate head 42's closure can guarantee filter vat 2's leakproofness completely, and such structure still conveniently dismantles, is right the second filter 41 washs the maintenance, right smart filter screen 44 is changed, can keep the filter effect of high accuracy always, in the use and the quick replacement in later stage, convenience very.

The oil outlet device 5 comprises an oil outlet 51, an oil outlet pipe 52, an oil outlet valve 53 and a rotary table 54, wherein the oil outlet 51 is vertically installed at the bottom of the filter barrel 2, the top end of the oil outlet valve 53 is vertically connected with the oil outlet 51, the bottom end of the oil outlet valve 53 is vertically connected with the oil outlet pipe 52, the rotary table 54 is a circular rotary table 54, and the rotary table 54 is installed on the oil outlet valve 53, so that the oil outlet of the oil outlet pipe 52 can be controlled.

The working principle is as follows: firstly, pouring crude oil of lubricating oil to be filtered slowly from the oil inlet funnel 11, turning on the heating switch 17, electrifying the heating wire 14 to raise the temperature, heating the flowing lubricating oil at a constant temperature, so that the lubricating oil flowing into the filter barrel 2 is not solidified and frozen, when the lubricating oil flows into the filter barrel 2, the servo motor 35 starts to drive the slag scraping cross fan blade 33 to rotate, scraping residual oil slag on the first filter plate 34, avoiding blockage and accumulation, then starting to perform first-step filtering, starting the hydraulic telescopic rod 31 at the moment, turning off the electric control switch 373, so that the air inlet and outlet device 37 is closed, so that the lubricating oil accumulated on the first filter plate 34 can be rapidly forced to pass through the first filter plate 34 by the pressure push plate 32 due to the action of air pressure, and then the lubricating oil to be filtered passes through the second filter plate 41 and is filtered by the fine filter screen 44, and after the filtration of the impurities in the lubricating oil is finished, the impurities in the lubricating oil are discharged through the oil outlet 51, and the filtration is finished.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a filter equipment is used in lubricating oil production and processing, its characterized in that includes oil feed device (1), filter vat (2), first filter equipment (3), second filter equipment (4) and oil outlet device (5), filter vat (2) are the tubbiness structure of circular cone under the upper cylinder, oil feed device (1) is installed on the side of going up of filter vat (2), first filter equipment (3) are installed filter vat (2) inboard upper portion, second filter equipment (4) are installed in filter vat (2), just second filter equipment (4) are located the below of first filter equipment (3), oil outlet device (5) are installed filter vat (2) bottom.

2. The filtering device for producing and processing lubricating oil according to claim 1, wherein the oil inlet device (1) comprises an oil inlet funnel (11), a vertical bent pipe (12), a heating pipe (13), a heating wire (14), a heating wire rack (15), a heating cover (16), a heating switch (17) and an oil inlet straight pipe (18), the oil inlet straight pipe (18) is vertically installed on the upper side wall of the filtering barrel (2), one end of the oil inlet straight pipe (18) penetrates through the side wall of the filtering barrel (2), one end of the heating pipe (13) is connected with the other end of the oil inlet straight pipe (18), one end of the vertical bent pipe (12) faces upwards, the other end of the vertical bent pipe (12) is horizontally connected with the other end of the heating pipe (13), the heating cover (16) is cylindrical, and the heating cover (16) is sleeved outside the heating pipe (13), heating mantle (16) inner wall with leave the space between heating pipe (13) outer wall, heater strip (14) encircle to be established the outside of heating pipe (13), heater strip (14) are located between heating mantle (16) and heating pipe (13), heating silk frame (15) are rectangle branch strip and quantity for three, heater strip (14) are through three heating silk frame (15) are fixed on the inner wall of heating mantle (16), install heating switch (17) on heating mantle (16), oil feed funnel (11) are the funnel-shaped structure of circular cone under the last cylinder, the bottom of oil feed funnel (11) with the up one end of perpendicular bent pipe (12) is connected.

3. The filtering device for producing and processing lubricating oil according to claim 2, wherein the first filtering device (3) comprises a hydraulic telescopic rod (31), a filtering barrel cover (21), a pressure push plate (32), a slag scraping cross fan blade (33), a first filtering plate (34), a servo motor (35), a motor cover (36), a fan blade bolt (331) and an air inlet and outlet device (37), the filtering barrel cover (21) is covered on the top of the filtering barrel (2), the hydraulic telescopic rod (31) is vertically arranged on the top of the filtering barrel cover (21) and an output shaft vertically penetrates through the filtering barrel cover (21) downwards, four rectangular sliding grooves (38) are formed in the inner wall of the filtering barrel (2), the pressure push plate (32) is a pressing plate with a circular structure, and the pressure push plate (32) is in downward sliding fit with the sliding grooves (38), the pressure push plate (32) is arranged at the bottom of an output shaft of the hydraulic telescopic rod (31), the air inlet and outlet device (37) is arranged on the outer wall of the filter barrel (2) and is positioned at the upper part of the filter barrel (2), the first filter plate (34) is also matched with the sliding groove (38) in a downward sliding manner, the first filter plate (34) is of a circular filter plate structure, the first filter plate (34) is clamped and arranged in the filter barrel (2) and is positioned at the bottom of the sliding groove (38), the servo motor (35) is vertically arranged at the bottom of the first filter plate (34), the output shaft of the servo motor (35) upwards penetrates through the first filter plate (34), the motor cover (36) is of a rectangular structure and is upwards opened, the motor cover (36) is hermetically covered outside the servo motor (35), and the slag scraping cross (33) is of a triangular structure, and the bottom plane of the cross slag scraping fan blades (33) is tightly contacted with the first filter plate (34), the cross slag scraping fan blades (33) are arranged on an output shaft at the top of the servo motor (35), jacks (332) are arranged in the middle of the cross slag scraping fan blades (33) and on the output shaft of the servo motor (35), and fan blade bolts (331) are arranged on the jacks (332).

4. The filtering device for producing and processing lubricating oil according to claim 3, wherein the air inlet and outlet device (37) comprises an air inlet and outlet pipe (371), an air inlet and outlet valve (372), an electric control switch (373), and a manual switch (374), one end of the air inlet and outlet pipe (371) is vertically communicated with the upper end of the filter barrel (2), the air inlet and outlet valve (372) is installed at the other end of the air inlet and outlet pipe (371), the electric control switch (373) is installed at the upper end of the air inlet and outlet valve (372), and the manual switch (374) is installed at the lower end of the air inlet and outlet valve (372).

5. The filtering device for producing and processing lubricating oil according to claim 3, wherein the second filtering device (4) comprises an arc-shaped baffle plate (48), a second filtering plate (41), a filtering plate head (42), a pull ring (43) and a fine filtering net (44), the second filtering plate (41) is of a structure with arc-shaped two ends and a middle rectangle, a through groove (45) with a rectangle is arranged at the upper part of the second filtering plate (41), a plurality of rectangular supporting strips (46) are arranged on the through groove (45), the fine filtering net (44) is laid on the through groove (45), two containing openings (47) capable of containing the second filtering plate (41) are horizontally arranged on the side wall of the filtering barrel (2), the second filtering plate (41) can be pulled into the inside of the filtering barrel (2) through the containing openings (47), the arc-shaped baffle plate (48) is installed and fixed at one containing opening (47) of the side wall of the filtering barrel (2), and the arc-shaped baffle plate (48) is installed and fixed at ) Besides, the filtering plate head (42) is arranged at one end, far away from the arc-shaped baffle (48), of the second filtering plate (41), the filtering plate head (42) is attached to the outer side wall of the filtering barrel (2), and the pull ring (43) is arranged on the filtering plate head (42).

6. The filtering device for producing and processing lubricating oil according to claim 5, wherein the oil outlet device (5) comprises an oil outlet (51), an oil outlet pipe (52), an oil outlet valve (53) and a rotary table (54), the oil outlet (51) is vertically installed at the bottom of the filtering barrel (2), the top end of the oil outlet valve (53) is vertically connected with the oil outlet (51), the bottom end of the oil outlet valve (53) is vertically connected with the oil outlet pipe (52), the rotary table (54) is a circular rotary table (54), and the rotary table (54) is installed on the oil outlet valve (53).