阅读说明：本技术 一种大型液压机内部油路自动更换清理装置 (Automatic cleaning device that changes of inside oil circuit of large-scale hydraulic press ) 是由 黄冬娣 于 2021-08-13 设计创作，主要内容包括：本发明涉及液压装置油液更换技术领域,且公开了一种大型液压机内部油路自动更换清理装置,包括固定板,所述固定板内部的左右两端固定安装有密封室,所述密封室的内部固定安装有驱动机构,所述驱动机构包括：转动轮。该大型液压机内部油路自动更换清理装置,通过交换机构将接液仓内部的油液经过导液管运输到滤液机构中,首先油液进入到盛液仓中,然后在分液管的作用下会出现分流,在分流之后油液会缓慢进入到连接槽中,从连接槽的上端落入到下端,然后在经过下端的弧形基座时,此时油液中的杂质和污染物可以停留在滤块上,然后感觉的油液会继续在交换机构的作用下进入到右边的分液管中,从而实现了对油液进行过滤的效果。(The invention relates to the technical field of hydraulic device oil replacement, and discloses an automatic replacement and cleaning device for an internal oil circuit of a large hydraulic machine, which comprises a fixed plate, wherein sealing chambers are fixedly arranged at the left end and the right end inside the fixed plate, a driving mechanism is fixedly arranged inside the sealing chambers, and the driving mechanism comprises: and rotating the wheel. This automatic cleaning device that changes of inside oil circuit of large-scale hydraulic press, will connect the inside fluid in fluid storehouse through the exchange mechanism in the liquid guide pipe transports filtrating mechanism, at first fluid enters into flourishing fluid storehouse, then the reposition of redundant personnel can appear under the effect of liquid distribution pipe, fluid can slowly enter into the spread groove after the reposition of redundant personnel, fall into the lower extreme from the upper end of spread groove, then when the arc base through the lower extreme, impurity and pollutant in the fluid can stop on the filter block this moment, then the fluid of sensation can continue to enter into the liquid distribution pipe on the right under the effect of exchange mechanism, thereby realized carrying out filterable effect to fluid.)

1. The utility model provides an inside oil circuit automatic change cleaning device of large-scale hydraulic press, includes fixed plate (1), its characterized in that: both ends fixed mounting has sealed room (2) about fixed plate (1) is inside, the inside fixed mounting of sealed room (2) has actuating mechanism (3), actuating mechanism (3) include: rotate wheel (301), the inside activity of rotating wheel (301) articulates there is connecting rod (302), equal fixed mounting exchange mechanism (4) in both ends about fixed plate (1) is inside, exchange mechanism (4) include: the novel plastic tube connecting structure comprises a vertical plate (401), a sliding plate (402) is connected to the inner portion of the vertical plate (401) in a sliding mode, an extrusion plate (403) is fixedly mounted on the opposite face of the sliding plate (402), a connecting ring (404) is fixedly mounted inside the vertical plate (401), a connecting block (405) is fixedly mounted inside the connecting ring (404), and connecting springs (406) which are symmetrically distributed are fixedly mounted between the left end and the right end of the connecting block (405) and the connecting ring (404).

2. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 1 is characterized in that: the connecting rod (302) is movably hinged with the sliding plate (402).

3. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 1 is characterized in that: a moving rod (407) is fixedly installed between the sliding plate (402) and the extrusion plate (403), a groove body (408) is formed in the vertical plate (401), and the upper end and the lower end of the connecting ring (404) are designed as passages.

4. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 1 is characterized in that: the connecting rod (302) is movably arranged at the eccentric position of the rotating wheel (301).

5. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 1 is characterized in that: the lower extreme fixed mounting of fixed plate (1) has connecting seat (101), the lower extreme fixed mounting of connecting seat (101) connects liquid storehouse (102), the inside sliding connection of fixed plate (1) has hydraulic stem (103), hydraulic stem (103) with connect for the intercommunication design between liquid storehouse (102).

6. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 1 is characterized in that: the upper end fixed mounting of fixed plate (1) has filtrating mechanism (5), filtrating mechanism (5) is including flourishing liquid storehouse (501), the inside fixed mounting in flourishing liquid storehouse (501) has elliptical plate (502), the equal fixed mounting in both ends has liquid distribution pipe (503) about elliptical plate (502) is inside, spread groove (504) have been seted up to the inside of elliptical plate (502), the lower extreme fixed mounting of spread groove (504) has arc base (505), the upper end fixed mounting of arc base (505) has evenly distributed's filter mass (506).

7. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 6 is characterized in that: liquid guide pipes (6) are fixedly arranged at the left end and the right end inside the fixing plate (1), and the upper end and the lower end of each liquid guide pipe (6) are respectively communicated with the liquid receiving bin (102) and the liquid containing bin (501).

8. The automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine as claimed in claim 5 is characterized in that: and a buffer spring (7) is fixedly arranged between the lower end of the hydraulic rod (103) and the fixing plate (1).

Technical Field

The invention relates to the technical field of hydraulic device oil replacement, in particular to an automatic replacement and cleaning device for an internal oil way of a large hydraulic machine.

Background

The electromechanical machines are various and are used in various fields, at present, the most used electromechanical machines are hydraulic machines, the machines are driven by a hydraulic system, the hydraulic device is low in noise, stable in operation and high in usability, at present, a plurality of robots adopt the hydraulic system, but the most important of the hydraulic system is the control of the movement friction force between a hydraulic cylinder and a hydraulic rod of the hydraulic system, if the friction force between the hydraulic cylinder and the hydraulic rod is too large, the abrasion of the hydraulic system is accelerated, the movement noise of the machines is increased, and the stability is reduced.

So at present urgently need one kind to in the inside oil circuit of hydraulic system, carry out automatic change hydraulic oil, and can carry out filterable device to hydraulic oil, the device can filter the lubricating oil that is using, then lets in hydraulic system again, when keeping the inside hydraulic pressure oil mass of hydraulic system stable, can clean hydraulic oil, replace artifical change fluid, and need not to shut down, improve the availability factor of machine.

Therefore, the automatic replacing and cleaning device for the internal oil circuit of the large hydraulic machine is produced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic replacing and cleaning device for an internal oil way of a large hydraulic machine, which has the advantages of no need of stopping an electromechanical machine, manual oil replacement and the like, and solves the problem that the oil needs to be frequently replaced in the use process of the existing large electromechanical machine.

(II) technical scheme

In order to achieve the purposes of manually replacing oil without stopping the electromechanical machine, and the like, the invention provides the following technical scheme: the utility model provides an inside oil circuit automatic change cleaning device of large-scale hydraulic press, includes the fixed plate, both ends fixed mounting has sealed room about the fixed plate is inside, the inside fixed mounting of sealed room has actuating mechanism, actuating mechanism includes: rotate the wheel, the inside activity hinge that rotates the wheel has the connecting rod, the equal fixed mounting exchange mechanism in both ends about the fixed plate is inside, exchange mechanism includes: the novel plastic pipe connecting device comprises a vertical plate, wherein a sliding plate is connected to the inside of the vertical plate in a sliding mode, an extrusion plate is fixedly mounted on the opposite surface of the sliding plate, a connecting ring is fixedly mounted inside the vertical plate, a connecting block is fixedly mounted inside the connecting ring, and symmetrically distributed connecting springs are fixedly mounted between the left end and the right end of the connecting block and the connecting ring.

Preferably, the connection relationship between the connecting rod and the sliding plate is a movable hinge joint, the rotating wheel drives the connecting rod to move, and the connecting rod drives the sliding plate to slide on the vertical plate.

Preferably, a moving rod is fixedly installed between the sliding plate and the extrusion plate, a groove body is arranged inside the vertical plate, the upper end and the lower end of the connecting ring are designed as passages, the connecting rod is driven to move in the fixed plate by the rotating wheel, then the sliding plate is driven to move on the vertical plate, the extrusion plate is driven to slide up and down in the groove body by the action of the sliding plate matched with the moving rod, when the extrusion plate is close to the connecting ring, the air in the groove body can be pushed, the air flow passes through the connecting ring and can drive the connecting block to move in the connecting ring, so that the airflow can enter the liquid receiving bin to push the oil liquid in the liquid receiving bin to flow, and when the vertical plate at the left end of the fixed plate is used for pushing, the vertical plate at the right end plays a role in suction, and the acting forces of the vertical plate are always opposite, so that the movement of driving airflow is achieved, and the effect of replacing oil is realized.

Preferably, the connecting rod is movably installed at the eccentric position of the rotating wheel, and the connecting rod is movably hinged and installed at the eccentric position of the rotating wheel, so that the connecting rod can be driven to move up and down in the rotating process of the rotating wheel, and the sliding plate can be driven to move.

Preferably, the lower extreme fixed mounting of fixed plate has the connecting seat, the lower extreme fixed mounting of connecting seat has and connects the liquid storehouse, the inside sliding connection of fixed plate has the hydraulic stem, for the intercommunication design between hydraulic stem and the connecing liquid storehouse, the hydraulic stem slides the in-process about the inside of fixed plate, needs lubricating oil to provide the lubrication action, and lubricating oil also can cool down the processing to the hydraulic stem of up-and-down motion, after the hydraulic stem motion certain time, the fluid can the loss appear and inside fluid also can appear polluting, so need change and supply fluid this moment.

Preferably, the upper end of the fixed plate is fixedly provided with a filtrate mechanism, the filtrate mechanism comprises a liquid containing bin, an elliptical plate is fixedly arranged inside the liquid containing bin, liquid distributing pipes are fixedly arranged at the left end and the right end inside the elliptical plate, a connecting groove is formed in the elliptical plate, an arc-shaped base is fixedly arranged at the lower end of the connecting groove, filter blocks which are uniformly distributed are fixedly arranged at the upper end of the arc-shaped base, oil liquid in the liquid receiving bin is transported to the filtrate mechanism through a liquid guide pipe by an exchange mechanism, the oil liquid firstly enters the liquid containing bin and then is distributed under the action of the liquid distributing pipes, the oil liquid slowly enters the connecting groove after being distributed, the oil liquid falls into the lower end from the upper end of the connecting groove, then impurities and pollutants in the oil liquid can stay on the filter blocks when passing through the arc-shaped base at the lower end, and then the sensed oil liquid continuously enters the liquid distributing pipe on the right side under the action of the exchange mechanism, thereby the effect of filtering the oil is realized.

Preferably, the left end and the right end inside the fixing plate are fixedly provided with liquid guide pipes, the upper end and the lower end of each liquid guide pipe are respectively communicated with the liquid receiving bin and the liquid containing bin, oil liquid used in the liquid receiving bin can be conveyed into the liquid containing bin through the liquid guide pipes, then the oil liquid is filtered in the connecting grooves, clean oil liquid is continuously introduced into the liquid receiving bin after being supplemented, and the effect of replacing the oil liquid without stopping the machine is achieved.

Preferably, a buffer spring is fixedly installed between the lower end of the hydraulic rod and the fixing plate, and the design of the buffer spring can help the hydraulic rod to reset quickly.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic replacing and cleaning device for an internal oil way of a large hydraulic machine, which has the following beneficial effects:

1. this automatic cleaning device that changes of inside oil circuit of large-scale hydraulic press, drive the inside motion of connecting rod at the fixed plate through rotating the wheel, then drive the sliding plate and move on the riser, the effect of sliding plate cooperation carriage release lever drives the stripper plate and slides from top to bottom in the inside of cell body, when the stripper plate is close to the go-between, can promote the inside air of cell body, the air current passes through the go-between, can drive the inside motion of connecting block at the go-between, thereby the air current can enter into and connect the liquid storehouse, promote to connect the fluid in the liquid storehouse to flow, the riser of fixed plate left end plays when pushing away the action and using, the riser of right-hand member plays the effect of suction, the two effort is all the time opposite, thereby reached the motion that drives the air current, the effect of changing fluid has been realized.

2. This automatic cleaning device that changes of inside oil circuit of large-scale hydraulic press, will connect the inside fluid in fluid storehouse through the exchange mechanism in the liquid guide pipe transports filtrating mechanism, at first fluid enters into flourishing fluid storehouse, then the reposition of redundant personnel can appear under the effect of liquid distribution pipe, fluid can slowly enter into the spread groove after the reposition of redundant personnel, fall into the lower extreme from the upper end of spread groove, then when the arc base through the lower extreme, impurity and pollutant in the fluid can stop on the filter block this moment, then the fluid of sensation can continue to enter into the liquid distribution pipe on the right under the effect of exchange mechanism, thereby realized carrying out filterable effect to fluid.

3. This cleaning device is changed automatically to inside oil circuit of large-scale hydraulic press can transport the flourishing liquid storehouse with connecing fluid after using in the liquid storehouse through the catheter, then after filtering in the spread groove, continues letting in clean fluid again and connect the liquid storehouse after the replenishment in, has realized the effect of changing fluid without shutting down.

Drawings

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

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

FIG. 3 is a schematic diagram of the exchange mechanism of the present invention;

fig. 4 is a schematic structural view of a filtrate mechanism of the present invention.

In the figure: 1. a fixing plate; 101. a connecting seat; 102. a liquid receiving bin; 103. a hydraulic lever; 2. a sealed chamber; 3. a drive mechanism; 301. a rotating wheel; 302. a connecting rod; 4. an exchange mechanism; 401. a vertical plate; 402. a sliding plate; 403. a pressing plate; 404. a connecting ring; 405. connecting blocks; 406. a connecting spring; 407. a travel bar; 408. a trough body; 5. a filtrate mechanism; 501. a liquid containing bin; 502. an elliptical plate; 503. a liquid separating pipe; 504. connecting grooves; 505. an arc-shaped base; 506. filtering blocks; 6. a catheter; 7. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The first embodiment is as follows:

referring to fig. 1-3, an automatic oil path replacing and cleaning device inside a large hydraulic machine includes a fixing plate 1, a sealing chamber 2 is fixedly installed at the left end and the right end inside the fixing plate 1, a driving mechanism 3 is fixedly installed inside the sealing chamber 2, and the driving mechanism 3 includes: rotate wheel 301, the inside activity hinge of rotating wheel 301 has connecting rod 302, and the equal fixed mounting exchange mechanism 4 in both ends about fixed plate 1 is inside, and exchange mechanism 4 includes: a vertical plate 401, a sliding plate 402 is slidably connected inside the vertical plate 401, a moving rod 407 is fixedly installed between the sliding plate 402 and the extrusion plate 403, a groove body 408 is formed inside the vertical plate 401, the upper end and the lower end of the connecting ring 404 are designed as a passage, the connecting rod 302 is driven to move inside the fixed plate 1 through the rotating wheel 301, then the sliding plate 402 is driven to move on the vertical plate 401, the extrusion plate 403 is driven to slide up and down inside the groove body 408 by the sliding plate 402 in cooperation with the moving rod 407, when the extrusion plate 403 is close to the connecting ring 404, air inside the groove body 408 can be pushed, air flow passes through the connecting ring 404, the connecting block 405 can be driven to move inside the connecting ring 404, so that the air flow can enter the liquid receiving bin 102 to push oil in the liquid receiving bin 102 to flow, when the vertical plate 401 at the left end of the fixed plate 1 plays a pushing action, the vertical plate 401 at the right end plays a role of suction, the two effort is opposite all the time to reach the motion that drives the air current, realized the effect of changing fluid, fixed mounting has stripper plate 403 on the opposite face of sliding plate 402, and the inside fixed mounting of riser 401 has go-between 404, and the inside fixed mounting of go-between 404 has connecting block 405, and fixed mounting has the connecting spring 406 of symmetric distribution between both ends all and the go-between 404 about connecting block 405.

Example two:

referring to fig. 1 and 4, an automatic oil path replacement and cleaning device inside a large hydraulic machine comprises a fixed plate 1, a filtrate mechanism 5 is fixedly installed at the upper end of the fixed plate 1, the filtrate mechanism 5 comprises a liquid containing bin 501, an elliptical plate 502 is fixedly installed inside the liquid containing bin 501, liquid separating tubes 503 are fixedly installed at the left end and the right end inside the elliptical plate 502, a connecting groove 504 is formed inside the elliptical plate 502, an arc-shaped base 505 is fixedly installed at the lower end of the connecting groove 504, filter blocks 506 are fixedly installed at the upper end of the arc-shaped base 505 and uniformly distributed, oil inside a liquid receiving bin 102 is transported to the filtrate mechanism 5 through a liquid guide tube 6 by an exchange mechanism 4, the oil firstly enters the liquid containing bin 501, then is subjected to flow splitting under the action of the liquid separating tubes 503, and slowly enters the connecting groove 504 after flow splitting, falls into the lower end from the upper end of the connecting groove 504 and then passes through the arc-shaped base 505 at the lower end, impurity and pollutant in the fluid can stop on filter block 506 this moment, then the fluid of sensation can continue to enter into the branch liquid pipe 503 on the right under the effect of exchange mechanism 4 to realized carrying out filterable effect to fluid, both ends fixed mounting has seal chamber 2 about fixed plate 1 is inside, and the inside fixed mounting of seal chamber 2 has actuating mechanism 3, and actuating mechanism 3 includes: rotate wheel 301, the inside activity hinge of rotating wheel 301 has connecting rod 302, and the equal fixed mounting exchange mechanism 4 in both ends about fixed plate 1 is inside, and exchange mechanism 4 includes: the riser 401, the inside sliding connection of riser 401 has a sliding plate 402, fixed mounting has stripper plate 403 on the opposite face of sliding plate 402, the inside fixed mounting of riser 401 has go-between 404, the inside fixed mounting of go-between 404 has connecting block 405, both ends all and go-between 404 fixed mounting have symmetrical distribution's connecting spring 406 about the connecting block 405.

Example three:

referring to fig. 1-4, an automatic oil path replacing and cleaning device inside a large hydraulic machine includes a fixing plate 1, a sealing chamber 2 is fixedly installed at the left end and the right end inside the fixing plate 1, a driving mechanism 3 is fixedly installed inside the sealing chamber 2, and the driving mechanism 3 includes: the internal activity of running wheel 301, running wheel 301 articulates there is connecting rod 302, and the connection between connecting rod 302 and the sliding plate 402 is the activity hinge joint, and running wheel 301 drives connecting rod 302 motion, and connecting rod 302 drives sliding plate 402 and slides on riser 401, and the equal fixed mounting exchange mechanism 4 in both ends about fixed plate 1 is inside, and exchange mechanism 4 includes: a vertical plate 401, a sliding plate 402 is slidably connected inside the vertical plate 401, an extrusion plate 403 is fixedly installed on the opposite surface of the sliding plate 402, a connecting ring 404 is fixedly installed inside the vertical plate 401, a connecting block 405 is fixedly installed inside the connecting ring 404, symmetrically distributed connecting springs 406 are fixedly installed between the left end and the right end of the connecting block 405 and the connecting ring 404, a moving rod 407 is fixedly installed between the sliding plate 402 and the extrusion plate 403, a groove body 408 is formed inside the vertical plate 401, the upper end and the lower end of the connecting ring 404 are designed as a passage, the connecting rod 302 is driven to move inside the fixed plate 1 through a rotating wheel 301, then the sliding plate 402 is driven to move on the vertical plate 401, the extrusion plate 403 is driven to slide up and down inside the groove body 408 under the action of the sliding plate 402 matching with the moving rod 407, when the extrusion plate 403 is close to the connecting ring 404, air inside the 408 can be pushed, and air flow passes through the connecting ring 404, can drive connecting block 405 at the inside motion of go-between 404 to the air current can enter into and connect the fluid reservoir 102, promotes to connect the fluid in the fluid reservoir 102 to flow, and the riser 401 of fixed plate 1 left end plays when pushing away the action and using, and the riser 401 of right-hand member plays the effect of suction, and the two effort is opposite all the time, thereby has reached the motion that drives the air current, has realized the effect of changing fluid.

The connecting rod 302 is movably arranged at the eccentric position of the rotating wheel 301, the connecting rod 302 is movably hinged and arranged at the eccentric position of the rotating wheel 301, the connecting rod 302 can be driven to move up and down in the rotating process of the rotating wheel 301, so that the sliding plate 402 can be driven to move, the connecting seat 101 is fixedly arranged at the lower end of the fixing plate 1, the liquid receiving bin 102 is fixedly arranged at the lower end of the connecting seat 101, the hydraulic rod 103 is slidably connected inside the fixing plate 1, the hydraulic rod 103 and the liquid receiving bin 102 are in a communicated design, lubricating oil is needed to provide a lubricating effect in the vertical sliding process of the hydraulic rod 103 inside the fixing plate 1, the lubricating oil can also cool the hydraulic rod 103 which moves up and down, after the hydraulic rod 103 moves for a certain time, oil can be lost, the oil can also be polluted, at the time, the oil needs to be replaced and supplemented, and the filtrate mechanism 5 is fixedly arranged at the upper end of the fixing plate 1, the filtrate mechanism 5 comprises a liquid containing bin 501, an elliptical plate 502 is fixedly installed inside the liquid containing bin 501, liquid separating pipes 503 are fixedly installed at the left end and the right end inside the elliptical plate 502, a connecting groove 504 is formed inside the elliptical plate 502, an arc-shaped base 505 is fixedly installed at the lower end of the connecting groove 504, filter blocks 506 which are uniformly distributed are fixedly installed at the upper end of the arc-shaped base 505, oil inside the liquid receiving bin 102 is conveyed into the filtrate mechanism 5 through a liquid guide pipe 6 through an exchange mechanism 4, the oil firstly enters the liquid containing bin 501, then, flow separation occurs under the action of the liquid separating pipes 503, the oil slowly enters the connecting groove 504 after flow separation, the oil falls into the lower end from the upper end of the connecting groove 504, then, impurities and pollutants in the oil can stay on the filter blocks 506 when the oil passes through the arc-shaped base 505 at the lower end, then, the oil can continuously enter the liquid separating pipes 503 on the right under the action of the exchange mechanism 4, thereby the effect of filtering the oil is realized.

The equal fixed mounting in both ends has catheter 6 about fixed plate 1 is inside, catheter 6 upper and lower both ends respectively with connect liquid storehouse 102 and flourishing liquid storehouse 501 between the relation of connection for the intercommunication design, catheter 6 can be with connecing during the liquid storehouse 102 after the use fluid transports flourishing liquid storehouse 501, then after filtering in spread groove 504, again with clean fluid continue to let in after the replenishment connect in liquid storehouse 102, the effect of changing fluid has not shut down, fixed mounting has buffer spring 7 between the lower extreme of hydraulic stem 103 and fixed plate 1, buffer spring 7's design, can help hydraulic stem 103 to reset fast.

The working principle is as follows: according to the automatic oil way replacement and cleaning device in the large hydraulic machine, the connecting rod 302 is driven to move in the fixed plate 1 through the rotating wheel 301, then the sliding plate 402 is driven to move on the vertical plate 401, the sliding plate 402 is matched with the moving rod 407 to drive the extrusion plate 403 to slide up and down in the groove body 408, when the extrusion plate 403 is close to the connecting ring 404, air in the groove body 408 can be pushed, air flow can drive the connecting block 405 to move in the connecting ring 404 through the connecting ring 404, therefore, the air flow can enter the liquid receiving bin 102 to push oil in the liquid receiving bin 102 to flow, when the vertical plate 401 at the left end of the fixed plate 1 is pushed, the vertical plate 401 at the right end plays a role of suction, the acting forces of the vertical plate and the connecting ring are opposite all the time, so that the movement of driving the air flow is achieved, and the effect of replacing the oil is achieved; the oil liquid in the liquid receiving bin 102 is transported to the filtrate mechanism 5 through the liquid guide pipe 6 through the exchange mechanism 4, the oil liquid firstly enters the liquid containing bin 501, then is subjected to flow splitting under the action of the liquid splitting pipe 503, the oil liquid slowly enters the connecting groove 504 after being subjected to flow splitting, and falls into the lower end from the upper end of the connecting groove 504, then when passing through the arc-shaped base 505 at the lower end, impurities and pollutants in the oil liquid can stay on the filter block 506, and the sensed oil liquid continuously enters the liquid splitting pipe 503 at the right side under the action of the exchange mechanism 4, so that the oil liquid is filtered; the liquid used in the liquid receiving bin 102 can be transported to the liquid containing bin 501 through the liquid guide pipe 6, and then clean liquid is continuously introduced into the liquid receiving bin 102 after being supplemented after being filtered in the connecting groove 504, so that the effect of replacing the liquid without stopping is achieved.

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