Oil painting brush cleaning device

Abstract

The invention relates to the technical field of art tool cleaning, in particular to an oil painting brush cleaning device which comprises a washing unit and a recycling unit which are arranged up and down. The washing unit comprises a washing room, a clean water nozzle and a detergent nozzle are arranged on the inner wall of the washing room, the clean water nozzle supplies clean water to the washing room, and the detergent nozzle supplies oily detergent to the washing room; a standing tank, a dirt collecting tank and a liquid collecting tank are arranged in the recovery unit, the standing tank is used for separating a detergent and water, so that the separated detergent and water circulate back into the detergent tank and the water tank for continuous use, and the dirt collecting tank and the liquid collecting tank are used for collecting brush washing water after oil painting brush washing; according to the oil painting brush cleaning device, the dirty brush cleaning water obtained after primary cleaning leaves the oil painting brush cleaning device through the dirt collecting box, the clean brush cleaning water obtained after secondary cleaning reaches the standing box through the liquid collecting box to wait for layering and secondary utilization, the brush cleaning mode is changed, the brush cleaning water is recycled, the use amount of detergent and water is effectively saved, and the cost is reduced. The oil painting brush cleaning cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning art tools, and in particular to an oil painting brush cleaning device. Background Art

[0002] Oil painting is a favorite form of creation for many artists and painting enthusiasts. In the process of oil painting, oil brushes are indispensable tools. Since oil paints are usually a mixture of pigment powder and drying oil, they are thick and sticky. You need to first use a large amount of oily detergent (such as turpentine) to dissolve the oil paint, then rinse it with clean water, and finally use paper towels or dry cloth to absorb the moisture on the brush hair, dry it and store it.

[0003] The traditional method of cleaning oil painting brushes is usually to use solvents or water to manually scrub and wash. This method is not only time-consuming and laborious, but may also damage the brush hair and affect the service life of the brush. At the same time, it is difficult to completely remove the pigment residue by manual cleaning, resulting in the problem of mixed colors when the brush is used next time. With the development of technology, various types of oil painting brush cleaning devices have emerged, including clamping parts, cleaning parts, extrusion parts and drying parts, etc., which can replace manual automatic cleaning of oil painting brushes. However, the existing cleaning devices need to use a large amount of oily detergent during use, and the detergent and flushing water are directly discharged after use, which is not only costly, but also causes waste of resources. Summary of the invention

[0004] The present invention aims to solve the problem that a large amount of oily detergent is needed in the existing oil painting brush cleaning device during use, and the used oily detergent and flushing water are directly discharged, which is not only costly but also causes waste of resources. An oil painting brush cleaning device is provided, in which the brush cleaning solvent mixed with a large amount of pigment after one cleaning is discarded, and the brush cleaning water mixed with solvent and clean water after the second cleaning is recovered, thereby greatly reducing the use of detergent and improving resource utilization.

[0005] In order to achieve the above object, the technical solution of the present invention is: An oil painting brush cleaning device comprises a washing unit and a recovery unit which are arranged up and down; the washing unit is used to clean the oil painting brush, and the recovery unit is used to recover the brush washing water after cleaning the oil painting brush.

[0006] The washing unit comprises a washing room, wherein an oil painting brush inlet and outlet are arranged at the top of the washing room and a water outlet is arranged at the bottom. A clean water nozzle and a detergent nozzle are arranged on the inner wall of the washing room. The clean water nozzle supplies clean water into the washing room, and the detergent nozzle supplies oily detergent into the washing room; the oily detergent is used to dissolve the oil painting pigment, and water is used to rinse the oily detergent.

[0007] The recovery unit includes a dirt collecting box, a liquid collecting box and a static box. The top of the dirt collecting box is provided with a dirt collecting port, the top of the liquid collecting box is provided with a liquid collecting port, and a turntable is jointly provided at the bottom of the dirt collecting box and the liquid collecting box. The turntable is connected to a first driving device, and the first driving device drives the turntable to rotate, driving the dirt collecting port and the liquid collecting port to connect to the water outlet in sequence; the dirt collecting box collects the dirtier primary brush washing water mixed with most of the pigments, and the liquid collecting box collects the cleaner secondary brush washing water mixed with a large amount of oily detergents.

[0008] The sewage collecting box is provided with a sewage outlet, and the sewage outlet discharges the mixed liquid of oil painting pigment and oily detergent in the sewage collecting box. The liquid collecting box is provided with a liquid discharge outlet, and the liquid discharge outlet is connected to the static box. The liquid discharge outlet discharges the mixed liquid of oily detergent and water into the static box, and the oily detergent and water are stratified in the static box. The static box is used for recovering oily detergent and water.

[0009] Furthermore, the clean water nozzle is connected to the clean water tank and the return water tank in sequence through the electromagnetic valve, the clean water tank contains unused clean water, and the return water tank contains recycled water recovered for the second time, so as to realize the recycling of water.

[0010] The detergent spray head is connected to the clean detergent box and the return detergent box in sequence through the electromagnetic valve. The clean detergent box contains unused oily detergent, and the return detergent box contains recycled detergent that is recycled for the second time, so as to realize the recycling of detergent.

[0011] Furthermore, the return water tank and the return agent tank are connected to the static tank through a power device, and the power device is a water pump, a manual water pump or an electric water pump. The recovered pen washing water is layered in the static tank, and the detergent and clean water are returned to the return agent tank and the return water tank in turn for recycling.

[0012] Furthermore, a liquid extraction pipe is arranged at the upper part of the static box, a water extraction pipe is arranged at the lower part of the static box, a buoyancy auxiliary device is arranged at the pipe mouth of the liquid extraction pipe, a filter is arranged at the pipe mouth of the water extraction pipe, and the filter is used to prevent impurities in the static box from entering the water extraction pipe.

[0013] Furthermore, the mouth of the liquid extraction pipe is flat, and the buoyancy auxiliary device is a foam block or a hollow sphere. A hanging rope is provided near the end of the liquid extraction pipe, and the hanging rope is hung on the foam block or the hollow sphere. The buoyancy auxiliary device provides an upward pulling force for the liquid return pipe, so that the mouth of the liquid return pipe always extracts the upper layer of liquid, and moves up and down with the rise and fall of the oil layer, and always remains in the upper layer of liquid.

[0014] Furthermore, a coalescing plate filler is provided at the liquid inlet end of the static box, and the coalescing plate filler is used to slow down the flow rate of the liquid, increase the contact time of the oil droplets and the water droplets, and promote their better separation.

[0015] Furthermore, a solenoid valve is provided at the water outlet, and the solenoid valve controls the on-off of the water outlet. The oil painting brush can be spray-washed or dip-washed.

[0016] Furthermore, a plurality of parallel scraping strips are arranged in the washing room, and the scraping strips are linear or long plate-shaped. Both ends of the scraping strips are fixed on the inner wall of the washing room. When the oil painting brush swings in the washing room, the bristles pass over the scraping strips, and the pigment in the bristles is scraped off.

[0017] Furthermore, the rotation angle of the sewage collecting box and the liquid collecting box does not exceed 180 degrees, so as to avoid the entanglement of the liquid discharge pipe and the sewage discharge pipe.

[0018] Furthermore, a swing mechanism is fixedly arranged above the washing unit, and the swing mechanism drives the oil painting brush to swing in the washing room, and the swing direction of the oil painting brush is perpendicular to the length direction of the scraper. No hand-held is required during washing, which saves time and effort and reduces human labor.

[0019] Through the above technical solution, the beneficial effects of the present invention are: 1. The present invention comprises a washing unit and a recycling unit which are arranged in an upper and lower manner. The oil painting brush is washed in the washing unit, and the brush washing water after washing is recovered in the recycling unit. The present invention makes full use of the characteristics of the oil painting brush washing process, that is, firstly, an oily detergent is needed to dissolve the brush pigment, and then a large amount of clean water is used to rinse off the detergent. The oily detergent mixed with a large amount of pigment after one washing is discarded, and the brush washing water mixed with the oily detergent and clean water after the second washing is recovered, thereby greatly reducing the use of detergent.

[0020] 2. The dirt collecting box and the liquid collecting box of the present invention are connected to the washing room in sequence, and are used to receive the primary washing water and the secondary washing water after washing the brush. The washing water after the primary washing is discharged through the sewage pipe, and the secondary washing water enters the static box for static and stratification, and can be used to recover oily detergents such as turpentine that are insoluble in water. The dirt collecting box and the liquid collecting box are rotatably arranged, and while receiving the washing water, pigments and oily detergents can be prevented from adhering to the inner wall, which plays a self-cleaning role and is easy to maintain.

[0021] 3. The present invention uses a spraying and scraping method to clean the oil painting brush. Compared with the traditional immersion method, it saves a lot of oil painting brush detergent, reduces the contact time between the detergent and the oil painting brush, causes less damage to the oil painting brush, and increases the service life of the oil painting brush; because the paint is scraped along the direction of the brush hair throughout the process, the brush hair will not be damaged, and compared with the rinsing method, the brush hair will not be split. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a connection relationship schematic diagram of the present invention; Figure 2 It is a schematic diagram of the position relationship of the present invention; Figure 3 It is a structural schematic diagram of the recovery unit of the present invention; Figure 4 It is a structural schematic diagram of the static box of the present invention; Figure 5 It is a structural explosion diagram of the present invention; The numbers in the attached drawings are: 10 is a washing room, 11 is an oil painting brush inlet and outlet, 12 is a water outlet, 13 is a clean water nozzle, 14 is a detergent nozzle, and 15 is a scraper; 20 is a sewage collecting box, 21 is a sewage collecting outlet, and 22 is a sewage outlet; 30 is a liquid collecting box, 31 is a liquid collecting outlet, and 32 is a liquid outlet; 40 is a static box, 41 is a liquid extraction pipe, 42 is a water extraction pipe, 43 is a buoyancy assist device, 44 is a filter screen, 50 is a turntable, 51 is a first driving device, 60 is a clean water tank, 61 is a return water tank, 70 is a clean agent tank, 71 is a return agent tank, and 90 is an oil painting brush. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments: like Figure 1 to Figure 5 As shown, this embodiment provides an oil painting brush cleaning device, including a washing unit and a recovery unit arranged in an upper and lower manner; the washing unit cleans the oil painting brush 90, and the recovery unit recovers the brush washing water after cleaning the oil painting brush.

[0024] like Figure 1 As shown, the washing unit includes a washing room 10, a clean water tank 60, a return water tank 61, a clean agent tank 70 and a return agent tank 71.

[0025] The washing room 10 is provided with an oil painting brush inlet and outlet 11 at the top and a water outlet 12 at the bottom. The oil painting brush 90 enters the washing room 10 from the oil painting brush inlet and outlet 11. A clean water nozzle 13 and a detergent nozzle 14 are provided on the inner wall of the washing room 10. The clean water nozzle 13 supplies clean water into the washing room 10, and the detergent nozzle 14 supplies oily detergent into the washing room 10. When washing, the detergent nozzle 14 first sprays the oily detergent onto the oil painting brush 90, and the oily detergent is used to dissolve the oil painting pigment; the clean water nozzle 13 then sprays clean water onto the oil painting brush 90 to rinse off the residual oily detergent in the oil painting brush.

[0026] In order to enhance the washing effect and reduce the waste of detergent, a plurality of parallel scraping strips 15 are arranged in the washing room 10. The scraping strips 15 are linear or long plate-shaped, and the two ends of the scraping strips 15 are fixed on the inner wall of the washing room 10. Specifically, two scraping strips 15 are arranged in the washing room 10. The scraping strips 15 are linear and horizontally placed in the washing room 10. The two scraping strips 15 are parallel to each other and symmetrical along the central axis of the washing room 10. The scraping strips 15 can be metal wires, plastic plates or other hard plates made of non-absorbent materials. After spraying the oil painting brush, the oil painting brush 90 can be scraped on the scraping strip 15 to remove the sticky paint adhering to the oil painting brush.

[0027] In order to improve the cleaning efficiency, the oil painting brush 90 can be manually controlled to scrape on the scraper 15, or an electric device can be used to control the oil painting brush 90 to swing back and forth in the washing room 10. During the swinging process, the oil painting brush 90 contacts the scraper 15, and the scraper 15 scrapes off the sticky paint adhering to the oil painting brush 90.

[0028] As an implementable embodiment, a swing mechanism is fixedly arranged above the washing unit, and the swing mechanism drives the oil painting brush 90 to swing in the washing room 10, and the swing direction of the oil painting brush 90 is perpendicular to the length direction of the scraper 15. Specifically, the swing mechanism includes a support frame, a rotating shaft and a pen clip, the support frame is fixed on the top of the washing room 10, the support frame is rotatably connected with a rotating shaft, the rotating shaft is fixedly arranged with a pen clip, the pen clip is used to clamp the oil painting brush, the rotating shaft is driven by a second driving device to drive the oil painting brush to swing, the second driving device is a servo motor, and controls the rotating shaft to rotate back and forth, and the rotation angle is not greater than 90 degrees.

[0029] When in use, the oil painting brush is fixed in the pen clip, and the second driving device is turned on. The second driving device drives the rotating shaft to rotate and drives the oil painting brush to swing in the washing room 10. During the swinging process of the oil painting brush, the brush hair part passes through the scraper bar 15, the brush hair is squeezed, and the paint and detergent remaining between the brush hairs are squeezed out. Since the scraper bar 15 scrapes the paint in the direction of the brush hairs, the brush hairs will not be forked. As the oil painting brush moves, the paint at the tip of the brush is continuously dissolved and squeezed out, and the oil painting brush is cleaned without damaging the brush hairs.

[0030] The water outlet 12 is provided with a solenoid valve, which controls the on and off of the water outlet 12. When the solenoid valve is closed, the oil painting brush can also be put into the washing room 10 for immersion.

[0031] The brush washing water in the washing unit enters the recovery unit from the water outlet 12 at the bottom of the washing room 10. The recovery unit includes a dirt collecting box 20, a liquid collecting box 30 and a static box 40 which are connected to each other. The dirt collecting box 20 is used to collect a mixed liquid of mixed pigments and oily detergents, and the liquid collecting box 30 is used to collect a mixed liquid of mixed oily detergents and water. The static box 40 is in a static state, and stratification of oily detergents and water is achieved in the static box 40.

[0032] Specifically, a sewage collection port 21 is provided on the top of the sewage collection box 20, and a sewage discharge port 22 is provided on the sewage collection box 20. The sewage discharge port 22 is located at the bottom of the sewage collection box 20, and the sewage discharge port 22 discharges the mixed liquid of oil paint and oily detergent in the sewage collection box 20. In one embodiment, the sewage discharge port 22 is connected to a sewage discharge pipe, and the sewage discharge pipe passes through the side wall of the cleaning device and extends to the outside. The sewage discharge pipe is a hose or a telescopic pipe to avoid damage during the rotation of the sewage collection box 20.

[0033] A liquid collecting port 31 is provided at the top of the liquid collecting box 30, and a liquid discharge port 32 is provided on the liquid collecting box 30. The liquid discharge port 32 is connected to a recovery pipe, and the other end of the recovery pipe extends into the static box 40. A water pump is provided on the recovery pipe, and the water pump is used to pump the liquid in the liquid collecting box 30 into the static box 40. In this embodiment, Figure 2 As shown, the water pump is located in the static box 40. The drain port 32 is connected to the static box 40, and the drain port 32 discharges the mixture of oily detergent and water into the static box 40. The length of the recovery pipe is greater than the distance from the drain port 32 to the static box 40, and the recovery pipe is a hose or a telescopic pipe. During the rotation of the sewage collecting box 20 and the liquid collecting box 30, the sewage discharge pipe and the recovery pipe move on the side walls of the sewage collecting box 20 and the liquid collecting box 30 respectively.

[0034] A turntable 50 is provided at the bottom of the dirt collection box 20 and the liquid collection box 30. The turntable 50 is connected to a first driving device 51. The first driving device 51 drives the turntable 50 to rotate, driving the dirt collection port 21 and the liquid collection port 31 to connect to the water outlet 12 in sequence. The first driving device 51 can be a motor or a hydraulic push rod. Specifically, the recycling unit also includes a base, in which a first driving device 51 and a power supply are provided. The first driving device 51 drives the turntable 50 to rotate back and forth, and the power supply supplies power to the oil painting brush cleaning device.

[0035] The sewage collection port 21 and the liquid collection port 31 are located on a circular trajectory with the center point of the rotating disk 50 as the center and the horizontal distance from the center point of the rotating disk 50 to the center point of the water outlet 12 as the radius. The rotation angle of the sewage collection box 20 and the liquid collection box 31 does not exceed 180°, that is, the rotating disk 50 rotates back and forth. Figure 3The sewage collecting port 21 and the liquid collecting port 31 shown in the figure are located on the diameter of the rotating disk 50. At this time, the rotating disk 50 rotates forward 180° and then reverses 180°.

[0036] like Figure 4 As shown, a liquid extraction pipe 41 is provided at the upper part of the still box 40, a water extraction pipe 42 is provided at the lower part of the still box 40, and a coalescing plate filler is provided at the liquid inlet end of the still box 40. The liquid extraction pipe 41 is used to absorb the oily detergent in the upper layer of the still box 40, and the water extraction pipe 42 is used to absorb the clean water in the lower layer of the still box 40. The plate partition or coalescing filler is used to slow down the flow rate of the liquid, increase the contact time of oil droplets and water droplets, and promote their better stratification. After stratification, the oily detergent is located in the upper layer of the still box 40, and the water is located in the lower layer of the still box 40. The coalescing plate filler is an existing technology commonly used in the field of oil-water separation technology, and the specific structure is not repeated here.

[0037] In order to improve the accuracy and efficiency of oily detergent recovery, the mouth of the liquid extraction pipe 41 is flat, increasing the surface area in contact with the oil and improving buoyancy; and the mouth of the pipe is connected to a buoyancy auxiliary device 43 through a flexible rope, and the buoyancy auxiliary device 43 is a foam block or a hollow sphere. The buoyancy auxiliary device 43 provides an upward pulling force for the liquid extraction pipe 41, so that the mouth of the liquid extraction pipe 41 always extracts the upper layer of liquid, and moves up and down with the rise and fall of the oil layer, and always remains in the upper layer of liquid.

[0038] In order to prevent impurities and oily detergent from entering the water extraction pipe 42, the water inlet of the water extraction pipe 42 is located at the bottom of the static box 40, and a filter 44 is provided at the pipe mouth of the water extraction pipe 42. The filter 44 is used to prevent impurities in the static box 40 from entering the water extraction pipe 42.

[0039] As an implementable embodiment, the recovered detergent and recovered water collected in the static box 40 are respectively introduced into the detergent nozzle 131 and the clean water nozzle 121 for continued use.

[0040] Specifically, the clean water nozzle 13 is connected to the clean water tank 60 and the return water tank 61 in sequence through the solenoid valve. The clean water tank 60 contains unused clean water, and the return water tank 61 contains recycled water recovered for the second time. In this embodiment, Figure 2 As shown, the clean water nozzle 13 is connected to the water spray main pipe, and a clean water branch pipe and a return water branch pipe are arranged on the water spray main pipe. A water pump is arranged on the water spray main pipe, and the water inlet of the clean water branch pipe is located in the clean water tank 60, and the water inlet of the return water branch pipe is located in the return water tank 61. Valves are arranged on the clean water branch pipe and the return water branch pipe.

[0041] The detergent spray head 14 is connected to the clean detergent box 70 and the return detergent box 71 in sequence through the solenoid valve. The clean detergent box 70 contains unused oily detergent, and the return detergent box 71 contains recycled detergent. Figure 2 As shown, the detergent nozzle 14 is connected to the oil injection main pipe, and a clean oil branch pipe and an oil return branch pipe are arranged on the oil injection main pipe. A water pump is arranged on the oil injection main pipe, and the water inlet of the clean oil branch pipe is located in the clean agent tank 70, and the oil inlet of the return oil branch pipe is located in the return agent tank 71. Valves are arranged on the clean oil branch pipe and the return oil branch pipe.

[0042] The water return tank 61 and the agent return tank 71 are respectively connected to the static tank 40 through a power device, and the power device is a water pump, a manual water pump or an electric water pump.

[0043] The oil painting brush cleaning device can have a variety of appearances. The present invention only limits the internal structure of the oil painting brush cleaning device. As an implementation method, Figure 5 As shown, the oil painting brush cleaning device is cylindrical as a whole, the washing unit and the recovery unit are arranged correspondingly up and down, the oil painting brush inlet and outlet 11 and the water outlet 12 are arranged at the center of the washing room 10, the water tank and the detergent tank are axially symmetrical arches, the dirt collecting box 20 and the liquid collecting box 30 are centrally symmetrical yin-yang fish shapes, and the static box 40 is crescent-shaped.

[0044] Working principle of the present invention: The oil painting brush is inserted into the washing room 10 through the oil painting brush inlet and outlet 11, and the detergent nozzle 14 in the washing room 10 sprays detergent on the oil painting brush. The detergent dissolves the pigment adhered to the oil painting brush and scrapes the oil painting brush on the scraper 15. The brush washing water containing a large amount of oil painting pigment enters the dirt collecting box 20 from the water outlet 12. After most of the pigment on the oil painting brush is removed, the turntable 50 rotates to drive the liquid collecting port 31 to align with the water outlet 12. The clean water nozzle 13 in the washing room 10 sprays clean water on the oil painting brush to rinse off the oily detergent remaining on the oil painting brush. Water and oily detergent enter the liquid collecting box 30 from the water outlet 12, enter the static box 40 through the recovery pipe, and are stratified in the static box 40. The upper layer of oily detergent enters the return agent box 71 through the liquid extraction pipe 41, and the lower layer of water enters the return water tank 61 through the water extraction pipe 42, thereby realizing the recycling of oily detergent and water and improving resource utilization.

[0045] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made according to the structures, features and principles described in the patent scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. An oil painting brush cleaning device, characterized in that: It includes a washing unit and a recovery unit arranged in an upper and lower manner; The washing unit comprises a washing room (10), wherein an oil painting brush inlet and outlet (11) is arranged at the top of the washing room (10), and a water outlet (12) is arranged at the bottom; a clean water nozzle (13) and a detergent nozzle (14) are arranged on the inner wall of the washing room (10); the clean water nozzle (13) supplies clean water into the washing room (10), and the detergent nozzle (14) supplies oily detergent into the washing room (10); The recovery unit comprises a sewage collecting box (20), a liquid collecting box (30) and a static box (40); a sewage collecting port (21) is arranged at the top of the sewage collecting box (20); a liquid collecting port (31) is arranged at the top of the liquid collecting box (30); a rotating disk (50) is arranged at the bottom of both the sewage collecting box (20) and the liquid collecting box (30); the rotating disk (50) is connected to a first driving device (51); the first driving device (51) drives the rotating disk (50) to rotate, driving the sewage collecting port (21) and the liquid collecting port (31) to be connected to the water outlet (12) in sequence; The dirt collecting box (20) is provided with a drain port (22) for discharging a mixed liquid of oil paint and oily detergent mixed in the dirt collecting box (20). The liquid collecting box (30) is provided with a liquid discharge port (32) for communicating with a stationary box (40). The liquid discharge port (32) discharges the mixed liquid of oily detergent and water into the stationary box (40), thereby achieving stratification of the oily detergent and water in the stationary box (40).

2. The oil painting brush cleaning device according to claim 1, characterized in that: The clean water nozzle (13) is connected to a clean water tank (60) and a return water tank (61) in sequence through a solenoid valve, the clean water tank (60) contains unused clean water, and the return water tank (61) contains recycled water that is recycled for a second time; The detergent spray head (14) is connected to a clean detergent box (70) and a return detergent box (71) in sequence through a solenoid valve; the clean detergent box (70) contains unused oily detergent, and the return detergent box (71) contains recycled detergent that is recycled for a second time.

3. The oil painting brush cleaning device according to claim 2, characterized in that: The water return tank (61) and the agent return tank (71) are respectively connected to the static tank (40) via a power device, wherein the power device is a water pump, a manual water pump or an electric water pump.

4. The oil painting brush cleaning device according to claim 1, characterized in that: A liquid extraction pipe (41) is arranged at the upper part of the static box (40), a water extraction pipe (42) is arranged at the lower part of the static box (40), a buoyancy auxiliary device (43) is arranged at the pipe mouth of the liquid extraction pipe (41), and a filter screen (44) is arranged at the pipe mouth of the water extraction pipe (42).

5. The oil painting brush cleaning device according to claim 4, characterized in that: The pipe opening of the liquid extraction pipe (41) is flat, and the buoyancy auxiliary device (43) is a foam block or a hollow sphere.

6. The oil painting brush cleaning device according to claim 1, characterized in that: The liquid inlet end of the static box (40) is provided with a coalescing plate filler.

7. The oil painting brush cleaning device according to claim 1, characterized in that: The water outlet (12) is provided with a solenoid valve, which controls the on and off of the water outlet (12).

8. The oil painting brush cleaning device according to claim 1, characterized in that: A plurality of parallel scraping strips (15) are arranged in the washing room (10), and the scraping strips (15) are linear or long plate-shaped.

9. The oil painting brush cleaning device according to claim 1, characterized in that: The rotation angle of the dirt collecting box (20) and the liquid collecting box (30) does not exceed 180°.

10. The oil painting brush cleaning device according to claim 8, characterized in that: A swing mechanism is fixedly arranged above the washing unit, and the swing mechanism drives the oil painting brush (90) to swing in the washing room (10), and the swing direction of the oil painting brush (90) is perpendicular to the length direction of the scraper (15).

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