CN113752742B - Special drawing table with drawing tool cleaning function and drawing tool cleaning method - Google Patents

Abstract

The invention particularly relates to a special painting table with a painting tool cleaning function, which comprises a table plate, wherein the table plate is provided with a writing brush cleaning mechanism, and the writing brush cleaning mechanism comprises a writing brush holding mechanism arranged on a table top, a cleaning cavity arranged below the table top, a water storage tank, a waste water tank and a micro-control device; the cleaning cavity is arranged in a table plate which is placed downwards corresponding to the pen holding mechanism, the middle lower wall part of the cleaning cavity is of an inverted cone structure, the upper wall of the cleaning cavity is provided with an annular pipe, 2-4 nozzles which are arranged in a downward inclined mode are distributed on the inner side of the annular pipe, and the annular pipe is communicated with a water storage tank; the bottom of the cleaning cavity is provided with a water outlet which is connected to a waste water tank; a water level warning sensor is arranged in the cleaning cavity; the writing brush cleaning mechanism further comprises a net sleeve, the net sleeve comprises a magic tape part at the upper part and a net part at the lower part, and the net part is formed by bonding weft at the inner side and warp at the outer side. The device has compact structure, flexible and adjustable cleaning operation and good cleaning effect.

Description

Special drawing table with drawing tool cleaning function and drawing tool cleaning method

Technical Field

The invention belongs to the field of art painting equipment, and particularly relates to a special painting table with a painting tool cleaning function and a painting tool cleaning method using the painting table.

Background

The writing brush is a traditional writing tool derived from China, has a history of many years in China, is a treasure of Chinese culture, and can be applied to the writing brush in the fields of art or calligraphy. However, after the writing brush is used, the writing brush is particularly troublesome to clean, and the cleaning method does not easily cause the problems of hair falling, forking, deformation and the like; moreover, the manual cleaning efficiency is low, and ink or dirty water is easily splashed into the surrounding environment during cleaning.

In order to solve the technical problem, the patent with publication number CN112976875A discloses a writing brush cleaning device, which adopts flowing water to automatically clean, and simultaneously achieves the operation that the writing brush rotates and the push plate presses the writing brush head, thereby improving the cleanliness and the cleaning efficiency. However, the structure still has the technical problems that the writing brush is damaged due to too fast water spraying, and the writing brush cannot be cleaned cleanly due to too slow water spraying; and the writing brush head is easy to deform when being pushed to rotate and pressed, and the writing brush head can not be soaked in water. In addition, the existing cleaning equipment cannot automatically and actively adjust the specific cleaning operation according to the cleanness degree of the writing brush.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the special drawing table with the drawing tool cleaning function, which has the advantages of compact structure, flexible and adjustable cleaning operation and good cleaning effect.

In order to achieve the purpose, the special painting table with the painting tool cleaning function comprises a table plate, wherein a writing brush cleaning mechanism is arranged on one side of the table plate and comprises a writing brush holding mechanism arranged on the table top of the table plate, and a cleaning cavity, a water storage tank, a waste water tank and a micro-control device which are arranged below the table top; the pen holding mechanism comprises a pen holding frame, a vertical sliding block arranged on the front side of the pen holding frame and connected with the front side of the pen holding frame through a vertical sliding groove, a clamp body for clamping a pen holder is arranged on the front side of the vertical sliding block, and a rubber gasket is arranged on the inner side of the clamp body; the cleaning cavity is arranged in a table plate which is placed downwards corresponding to the pen holding mechanism, the middle lower wall part of the cleaning cavity is of an inverted cone structure, the upper wall in the cavity is provided with an annular pipe, 2-4 nozzles are distributed on the inner side of the annular pipe, the nozzles are downwards inclined by 10-20 degrees, and the annular pipe is communicated with the water storage tank through an electric valve and a water pipe; the bottom of the cleaning cavity is provided with a water outlet, and the water outlet is connected to a waste water tank through an electric valve and a water pipe; a water level warning sensor is arranged in the cleaning cavity; the micro-control device is used for controlling the movement of the pen holder, the spraying of the nozzle in the cleaning cavity and the switching operation of the water outlet;

writing brush wiper mechanism still includes the net cover, the net cover includes that upper portion is used for encircleing the magic subsides portion of tying up on the pen-holder and the netted portion of lower part, netted portion is formed by the warp bonding in inboard weft and the outside, the warp and the weft cross intermodulation of netted portion bottom make weft arrange the outside in, and warp arranges the inboard in.

In a preferred technical scheme, the top of the cleaning cavity is provided with a left baffle (a right baffle) which can be oppositely combined and oppositely opened, a concave part is arranged in the middle of the opposite position of the left baffle and the right baffle, the inner side wall of the concave part is provided with a transverse groove, a water-absorbing sponge is inserted into the transverse groove, and the radial thickness of the water-absorbing sponge is 5-10 cm.

In a preferred technical scheme, the delivery port department that washs the chamber is connected with down the pipe that inclines, the middle part of pipe that inclines down is equipped with observation window, observation window adopts transparent material to make, there is the illumination detection device that the clarity detected in observation window's the outside, illumination detection device connects the micro-control device.

Furthermore, a displacement sensor for monitoring the extending length of the pen point is arranged above the inner wall of the cleaning cavity, and the displacement sensor is connected with the micro-control device.

In another preferred technical scheme, the tabletop of the table plate is provided with two parallel backing strips, sliding grooves are formed in the backing strips, and electric telescopic rods are arranged in the sliding grooves; the pen holder is characterized in that sliding blocks are arranged on two sides of the bottom of the pen holder, and the middle of each sliding block is fixedly connected with the end of the electric telescopic rod.

Furthermore, a rack for placing the net cover is arranged on the side edge or the back edge of the pen holding rack; the net cover is made of thin lines made of rubber materials or plastic materials with the diameter of 0.05-0.5 mm.

According to another preferred technical scheme, a palette cleaning mechanism is further arranged beside the writing brush cleaning mechanism, the palette cleaning mechanism comprises a second cleaning cavity and a cover body arranged above the second cleaning cavity, a drawing groove is formed in the side wall of the desktop corresponding to the top of the second cleaning cavity, the cover body is arranged in the drawing groove to achieve opening and closing of the cover body, a pull ring is arranged on the outer side edge of the cover body, a clamping block is arranged on the outer side edge, and a clamping groove matched with the clamping block is formed in the cavity wall of the second cleaning cavity corresponding to the other side of the cover body; a rotary chassis and a second water outlet are arranged at the bottom in the second cleaning cavity, the second water outlet is connected to a wastewater tank through an electric valve and a water pipe, the rotary chassis comprises an inner rotary disk and an outer rotary disk, and bristles are arranged on the inner rotary disk and the outer rotary disk; the side edge of the outer rotating disc is provided with a side water spraying nozzle with a nozzle inclining towards the inner side; the two sides of the second cleaning cavity are provided with clamps, each clamp is of a clothes clamp structure consisting of an upper clamp, a lower clamp and an elastic connecting piece for connecting the upper clamp and the lower clamp, and the external length of the upper clamp is smaller than that of the lower clamp; the clamp is connected through a vertical moving mechanism arranged on the side wall of the second cleaning cavity, and the vertical moving mechanism, the rotating chassis and the side water spray nozzle are connected with the micro-control device through control switches.

Further, the bristles comprise vertical bristles arranged vertically and inclined bristles arranged obliquely outwards.

The invention also discloses a method for cleaning the painting tool by using the special painting table in the second aspect, which comprises the following steps

Fixing the magic tape part of the net sleeve around the brush holder of the writing brush, and adjusting the net part to be sleeved on the brush head of the writing brush;

placing the brush pen holder sleeved with the net sleeve in the clamp body for clamping, and starting a brush washing program;

the brush pen point extends into the cleaning cavity and is adjusted to a cleaning position, then the left baffle and the right baffle are closed and are not completely closed, a pen holder moving space is reserved in the middle, and at the moment, a water outlet at the bottom of the cleaning cavity is opened;

starting the nozzle to face the brush head of the writing brush for carrying out first water spraying washing for 30-90 s; then closing the water outlet, continuing to flush, stopping flushing when the water level in the cavity reaches a water level warning line, and beginning to soak the pen point for 20-100 s;

after soaking, opening a water outlet, starting a nozzle to perform secondary water spraying washing towards the brush pen point for 20-60s, after washing, slightly pressing the pen point on the inclined wall surface of the inverted cone back and forth for 1-2 times by adjusting the horizontal moving distance of the pen holder, then moving to a washing position, and continuously washing for 10-20 s;

after the washing is finished, the left baffle and the right baffle are tightly closed, the brush pen head is pulled out by holding the pen rack to move upwards, and the brush pen head absorbs water and plastic property through the water absorption sea between the baffles, so that the pen washing is finished;

wherein, after the washing is finished, the illumination detection device automatically detects the clarity of the wastewater in the observation window, and if the wastewater does not reach the standard, the soaking and washing operations can be repeated.

The third aspect of the invention also discloses another painting tool cleaning method applying the special painting table, which comprises the following steps

Placing the color mixing surface of the color mixing tray downwards on a clamp of a second cleaning cavity for clamping, and pulling the cover body to a closed state, wherein a second water outlet is in a closed state;

the color palette is adjusted to a cleaning position through the vertical moving mechanism, water is sprayed from side water spray nozzles, the water spraying amount is flooded to the bottom position of the color palette, the color palette is brushed for the first time by rotating the rotating chassis while spraying water, and the time for brushing the color palette for the first time is 100 and 300 s; after the first disc brushing is finished, the second water outlet is opened for draining water; and according to the cleanness of the color palette, circularly spraying water and brushing the palette for 1-3 times.

According to the special painting table with the painting tool cleaning function, the writing brush cleaning device and the palette cleaning device are arranged on the table top, so that the writing brush is automatically and mechanically cleaned; on the other hand, the device is simple and compact in structure, and the mesh sleeve structure is arranged to enable the writing brush to be better washed in the washing process, so that the phenomena of hair removal, splitting and the like of the writing brush in the washing process are avoided. The device can realize various operations such as soaking, washing, pressing, absorbing and the like, so that the cleaning effect of the writing brush is particularly remarkable.

In addition, the special painting table with the painting tool cleaning function further realizes automatic cleaning of the palette through the palette cleaning device, and is simple in use method, high in cleaning efficiency and high in cleaning degree.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a dedicated painting table with a painting tool cleaning function according to the present invention;

FIG. 2 is a schematic view of the construction of a mesh of the present invention;

FIG. 3 is a schematic structural diagram of a second embodiment of the special drawing table with a cleaning function of a drawing tool according to the present invention;

FIG. 4 is a schematic view of the structure of the vertical movement mechanism of the present invention;

FIG. 5 is a schematic structural diagram of a drawing table with a cleaning function for a drawing tool according to a third embodiment of the present invention.

Reference numerals

In the figure: 1-a table board; 2, cleaning a cavity; 3, a water storage tank; 4-a wastewater tank; 10-holding the pen rack; 11-vertical slide block; 12-a clip body; 13-rubber gasket; 20-a ring pipe; 21-a nozzle; 22-water outlet; 5, net sheathing; 50-magic tape part; 51-a mesh portion; 23-left baffle; 24-a right baffle; 25-a recess; 26-absorbent sponge; 27-a lower inclined tube; 28-observation window; 90-displacement sensor; 60-cushion strips; 61-a sliding groove; 62, an electric telescopic rod; 15-sliding block; 19-rack; 7-a second cleaning chamber; 70-a cover body; 71-inner rotating disc; 72-outer rotating disc; 73-side water spray nozzle; 74-upper clamp body; 75-lower clamp body; 76-card slot; 77-fixture block; 78-a tab; 79-drawing groove; 9-vertical moving mechanism; 80 vertical bristles; 81-oblique bristles.

Detailed Description

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Examples

FIG. 1 shows a fine arts drawing board based on intelligent teaching, a special drawing table with drawing tool cleaning function, comprising a table board 1, characterized in that one side of the table board 1 is provided with a writing brush cleaning mechanism, the writing brush cleaning mechanism comprises a pen holding mechanism arranged on the table top of the table board 1, a cleaning cavity 2 arranged below the table top, a water storage tank 3, a waste water tank 4 and a micro-control device; the pen holding mechanism comprises a pen holding frame 10, a vertical sliding block 11 arranged on the front side of the pen holding frame 10 and connected with the vertical sliding block through a vertical sliding groove, a clamp body 12 for clamping a pen holder is arranged on the front side of the vertical sliding block 11, and a rubber gasket 13 is arranged on the inner side of the clamp body 12; the cleaning cavity 2 is arranged in the table plate 1 which is placed downwards corresponding to the pen holding mechanism, the middle lower wall part of the cleaning cavity 2 is of an inverted cone structure, the upper wall in the cavity is provided with an annular pipe 20, 2-4 nozzles 21 are distributed on the inner side of the annular pipe 20, the nozzles 21 are arranged in a downward inclination manner of 10-20 degrees, and the annular pipe 20 is communicated with the water storage tank 3 through an electric valve and a water pipe; a water outlet 22 is formed in the bottom of the cleaning cavity 2, and the water outlet 22 is connected to the waste water tank 4 through an electric valve and a water pipe; a water level warning sensor is arranged in the cleaning cavity 2; the micro-control device is used for controlling the movement of the pen holder 10, the spraying of the nozzle 21 in the cleaning cavity 2 and the switch operation of the water outlet 22.

Writing brush wiper mechanism still includes the dictyosome 5, as shown in fig. 2, the dictyosome 5 includes that the upper portion is used for encircleing magic subsides portion 50 and the netted portion 51 of lower part of tying up on the pen-holder, netted portion 51 is formed by the warp bonding in the weft of inboard and the outside, the warp and the weft cross intermodulation of netted portion 51 bottom make weft arrange the outside in, and warp arranges the inboard in. It should be noted that the net cover is surrounded on the pen holder through the magic tape, and when the pen is cleaned, the clamping part of the clamp body is arranged on the magic tape part, so that the net cover slides off from the surface. The net cover can be fixed by direct covering or other bonding methods. Aiming at the warp and weft structure of the net sleeve, the trend of the brush pen sleeved with the ring sleeve is unified on the outer side, so that the received water can be drained to the whole body of the brush pen, the water can be completely infiltrated into the brush pen, and the completeness of flushing can be ensured even if the number of nozzles is small; the bottom of the water-retaining bag can slow down the rapid flowing away of water flow by turning the inner side outwards, and the effect of micro-soaking can be achieved when the water flow is slow.

In one embodiment shown in fig. 3, a left baffle 23 and a right baffle 24 which can be oppositely combined and oppositely opened are arranged at the top of the cleaning cavity 2, a concave part 25 is arranged in the middle of the opposite position of the left baffle 23 and the right baffle 24, a transverse groove is arranged on the inner side wall of the concave part 25, a water-absorbing sponge 26 is inserted into the transverse groove, and the radial thickness of the water-absorbing sponge 26 is 5-10 cm. The water-absorbing sponge is used for plasticity and water absorption of the writing brush after the writing brush is cleaned.

Wash chamber 2's delivery port department and be connected with down inclined tube 27, the middle part of down inclined tube 27 is equipped with observation window 28, observation window 28 adopts transparent material to make, there is the illumination detection device that the clarity detected in observation window 28's the outside, illumination detection device connects the micro-control device. The observation window at the position can be directly observed by a user, and the cleaning operation can be flexibly controlled; automatic adjustment can also be realized through the detected clarity, and the operation mode is flexible.

And a displacement sensor 90 for monitoring the extending length of the pen point is arranged above the inner wall of the cleaning cavity 2, and the displacement sensor 90 is connected with the micro-control device. The displacement sensor is used for monitoring the water quantity in the cleaning cavity, so that complete soaking in the soaking stage is ensured, and excessive water quantity is prevented from overflowing outwards.

The tabletop of the table plate 1 is provided with two parallel pad strips 60, sliding grooves 61 are formed in the upper surfaces of the pad strips 60, and electric telescopic rods 62 are arranged in the sliding grooves 61; the two sides of the bottom of the pen holder 10 are provided with sliding blocks 15, and the middle parts of the sliding blocks 15 are fixedly connected with the end parts of the electric telescopic rods 62. The sliding groove and the sliding block are used for realizing the horizontal movement of the writing brush, so that the writing brush can be pressed on the wall surface of the inverted cone, and the writing brush can be better cleaned.

It should be further noted that, in this example, a rack 19 for placing the net cover 5 is provided on a side or a rear side of the pen holder 10; the net sleeve 5 is made of thin lines made of rubber materials or plastic materials with the diameter of 0.05-0.5 mm.

Another cleaning function of the special drawing table is disclosed in another example, as shown in fig. 5, a palette cleaning mechanism is further disposed beside the writing brush cleaning mechanism, the palette cleaning mechanism includes a second cleaning chamber 7 and a cover body 70 disposed above the second cleaning chamber 7, a drawing groove 79 is disposed on a side wall of the table top corresponding to the top of the second cleaning chamber 7, the cover body 70 is disposed in the drawing groove 79 to open and close the cover body, a pull ring 78 is disposed on an outer side edge of the cover body 70, a clamping block 77 is disposed on the outer side edge, and a clamping groove 76 matched with the clamping block 77 is disposed on a cavity wall of the second cleaning chamber 7 corresponding to the other side of the cover body; a rotary chassis and a second water outlet are arranged at the bottom in the second cleaning cavity 7, the second water outlet is connected to the waste water tank 4 through an electric valve and a water pipe, the rotary chassis comprises an inner rotary disk 71 and an outer rotary disk 72, and bristles are arranged on both the inner rotary disk 71 and the outer rotary disk 72; the side edge of the outer rotating disc 72 is provided with a side water injection nozzle 73 with a nozzle inclined towards the inner side; clips are arranged on two sides of the second cleaning cavity 7, each clip is of a clothes clip structure consisting of an upper clip body 74, a lower clip body 75 and an elastic connecting piece for connecting the upper clip body and the lower clip body, and the external length of the upper clip body 74 is smaller than that of the lower clip body 75; the clamps are connected through a vertical moving mechanism 9 arranged on the side wall of the second cleaning cavity 7, and the vertical moving mechanism 9, the rotating base plate and the side water spray nozzle 73 are all connected with the micro-control device through control switches. Wherein, the bristles comprise vertical bristles 80 arranged vertically and inclined bristles 81 arranged obliquely outwards.

In a second aspect of the invention, a method for cleaning a painting tool of a special painting table is provided, and the method comprises the following steps

Fixing the magic tape part of the net sleeve around the brush holder of the writing brush, and adjusting the net part to be sleeved on the brush head of the writing brush;

placing the brush pen holder sleeved with the net sleeve in the clamp body for clamping, and starting a brush washing program;

the brush pen point extends into the cleaning cavity and is adjusted to a cleaning position, then the left baffle and the right baffle are closed and are not completely closed, a pen holder moving space is reserved in the middle, and at the moment, a water outlet at the bottom of the cleaning cavity is opened;

starting the nozzle to face the brush head of the writing brush for carrying out first water spraying washing for 30-90 s; then closing the water outlet, continuing to flush, stopping flushing when the water level in the cavity reaches a water level warning line, and beginning to soak the pen point for 20-100 s;

after soaking, opening a water outlet, starting a nozzle to perform secondary water spraying washing towards the writing brush head for 20-60s, after washing, slightly pressing the writing brush head back and forth on the inclined wall surface of the inverted cone for 1-2 times by adjusting the horizontal moving distance of the pen holder, then moving to a washing position, and continuing washing for 10-20 s;

after the washing is finished, the left baffle and the right baffle are tightly closed, the brush pen head is pulled out by holding the pen rack to move upwards, and the brush pen head absorbs water and plastic property through the water absorption sea between the baffles, so that the pen washing is finished;

wherein, after finishing washing, illumination detection device automated inspection observation window's waste water clarity, if not up to standard, can repeat and soak and wash the operation.

In a third aspect of the invention, a method for cleaning a painting tool of a special painting table is provided, and the method comprises the following steps

Placing the color mixing surface of the color mixing tray downwards on a clamp of a second cleaning cavity for clamping, pulling the cover body to a closed state, and enabling a second water outlet to be in a closed state;

the color palette is adjusted to a cleaning position through the vertical moving mechanism, water is sprayed from side water spray nozzles, the water spraying amount is flooded to the bottom position of the color palette, the color palette is brushed for the first time by rotating the rotating chassis while spraying water, and the time for brushing the color palette for the first time is 100 and 300 s; after the first disc brushing is finished, the second water outlet is opened for draining water; and according to the cleanness of the color palette, circularly spraying water and brushing the palette for 1-3 times.

The two cleaning methods are realized based on the cleaning function of the special drawing table, and on the basis of the cleaning mechanism, the cleaning method can be adjusted according to the specific cleaning degree of the writing brush.

It should be noted that, in this document, the term "comprises/comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article or apparatus.

The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples described above, and various changes can be made within the knowledge of those skilled in the art without departing from the concept of the present invention.

Claims (10)

1. A special drawing table with a drawing tool cleaning function comprises a table plate (1) and is characterized in that a writing brush cleaning mechanism is arranged on one side of the table plate (1), and the writing brush cleaning mechanism comprises a writing brush holding mechanism arranged on the table top of the table plate (1), a cleaning cavity (2) arranged below the table top, a water storage tank (3), a waste water tank (4) and a micro-control device; the pen holding mechanism comprises a pen holding frame (10), a vertical sliding block (11) arranged on the front side of the pen holding frame (10) and connected with the front side of the pen holding frame through a vertical sliding groove, a clamp body (12) for clamping a pen holder is arranged on the front side of the vertical sliding block (11), and a rubber gasket (13) is arranged on the inner side of the clamp body (12); the cleaning cavity (2) is arranged in the table plate (1) which is lowered corresponding to the pen holding mechanism, the middle lower wall part of the cleaning cavity (2) is of an inverted cone structure, the upper wall in the cavity is provided with an annular pipe (20), 2-4 nozzles (21) are distributed on the inner side of the annular pipe (20), the nozzles (21) are arranged in a downward inclination manner by 10-20 degrees, and the annular pipe (20) is communicated with the water storage tank (3) through an electric valve and a water pipe; a water outlet (22) is formed in the bottom of the cleaning cavity (2), and the water outlet (22) is connected to a waste water tank (4) through an electric valve and a water pipe; a water level warning sensor is arranged in the cleaning cavity (2); the micro-control device is used for controlling the movement of the pen holder (10), the spraying of a nozzle (21) in the cleaning cavity (2) and the on-off operation of the water outlet (22);

writing brush wiper mechanism still includes net cover (5), net cover (5) are used for encircleing magic subsides portion (50) of tying up on the pen-holder and netted portion (51) of lower part including upper portion, netted portion (51) are formed by the warp bonding in the weft of inboard and the outside, the warp and the weft cross intermodulation of netted portion (51) bottom make weft arrange the outside in, and warp arranges the inboard in.

2. The special drawing table with the drawing tool cleaning function as claimed in claim 1, wherein a left baffle (23) and a right baffle (24) which can be oppositely combined and oppositely opened are arranged at the top of the cleaning cavity (2), a concave part (25) is arranged in the middle of the opposite position of the left baffle (23) and the right baffle (24), a transverse groove is arranged on the inner side wall of the concave part (25), a water absorbing sponge (26) is inserted into the transverse groove, and the radial thickness of the water absorbing sponge (26) is 5-10 cm.

3. The special drawing table with the drawing tool cleaning function as claimed in claim 1, wherein a lower inclined pipe (27) is connected to a water outlet of the cleaning cavity (2), an observation window (28) is arranged in the middle of the lower inclined pipe (27), the observation window (28) is made of transparent materials, a light detection device for clarity detection is arranged outside the observation window (28), and the light detection device is connected with a micro-control device.

4. The special drawing table with drawing tool cleaning function as claimed in claim 1, wherein a displacement sensor (90) for monitoring the extending length of the pen point is arranged above the inner wall of the cleaning cavity (2), and the displacement sensor (90) is connected with the micro-control device.

5. The special drawing table with the drawing tool cleaning function as claimed in claim 1, wherein the table top of the table plate (1) is provided with two parallel backing strips (60), a sliding groove (61) is arranged on the backing strips (60), and an electric telescopic rod (62) is arranged in the sliding groove (61); the pen holder is characterized in that sliding blocks (15) are arranged on two sides of the bottom of the pen holder (10), and the middle of each sliding block (15) is fixedly connected with the end of the electric telescopic rod (62).

6. The special drawing table with the drawing tool cleaning function as claimed in claim 1, wherein a rack (19) for placing the net cover (5) is arranged on the side or the back of the pen holding rack (10); the net sleeve (5) is made of thin lines made of rubber materials or plastic materials with the diameter of 0.05-0.5 mm.

7. The special drawing table with the drawing tool cleaning function as claimed in claim 1, wherein a palette cleaning mechanism is further disposed beside the writing brush cleaning mechanism, the palette cleaning mechanism comprises a second cleaning chamber (7) and a cover body (70) disposed above the second cleaning chamber (7), a drawing groove (79) is disposed on a side wall of the table top corresponding to a top of the second cleaning chamber (7), the cover body (70) is disposed in the drawing groove (79) to open and close the cover body, a pull ring (78) is disposed on an outer side edge of the cover body (70), a clamping block (77) is disposed on an outer side edge, and a clamping groove (76) matched with the clamping block (77) is disposed on a wall of the second cleaning chamber (7) corresponding to the other side of the cover body; a rotary chassis and a second water outlet are arranged at the bottom in the second cleaning cavity (7), the second water outlet is connected to the wastewater tank (4) through an electric valve and a water pipe, the rotary chassis comprises an inner rotary disc (71) and an outer rotary disc (72), and bristles are arranged on the inner rotary disc (71) and the outer rotary disc (72); the side edge of the outer rotating disc (72) is provided with a side water spray nozzle (73) with a nozzle inclining towards the inner side; the two sides of the second cleaning cavity (7) are provided with clamps, each clamp is of a clothes clamp structure consisting of an upper clamp body (74), a lower clamp body (75) and an elastic connecting piece for connecting the upper clamp body and the lower clamp body, and the external length of the upper clamp body (74) is smaller than that of the lower clamp body (75); the clamp is connected through a vertical moving mechanism (9) arranged on the side wall of the second cleaning cavity (7), and the vertical moving mechanism (9), the rotating chassis and the side water spray nozzle (73) are connected with the micro-control device through control switches.

8. The special drawing table with painting tool cleaning function as claimed in claim 7, wherein the bristles comprise vertical bristles (80) arranged vertically and inclined bristles (81) arranged obliquely outwardly.

9. A method for cleaning painting tools of a special painting table as claimed in any one of claims 1 to 8, characterized in that it comprises

Fixing the magic tape part of the net sleeve around the brush holder of the writing brush, and adjusting the net part to be sleeved on the brush head of the writing brush;

placing the brush pen holder sleeved with the net sleeve into the clamp body for clamping, and starting a brush washing program;

the brush pen point extends into the cleaning cavity and is adjusted to a cleaning position, then the left baffle and the right baffle are closed and are not completely closed, a pen holder moving space is reserved in the middle, and at the moment, a water outlet at the bottom of the cleaning cavity is opened;

starting the nozzle to face the brush head of the writing brush for carrying out first water spraying washing for 30-90 s; then closing the water outlet, continuing to flush, stopping flushing when the water level in the cavity reaches a water level warning line, and beginning to soak the pen point for 20-100 s;

after soaking, opening a water outlet, starting a nozzle to perform secondary water spraying washing towards the writing brush head for 20-60s, after washing, slightly pressing the writing brush head back and forth on the inclined wall surface of the inverted cone for 1-2 times by adjusting the horizontal moving distance of the pen holder, then moving to a washing position, and continuing washing for 10-20 s;

after the washing is finished, the left baffle and the right baffle are tightly closed, the brush pen head is pulled out by holding the pen rack to move upwards, and the brush pen head absorbs water and plastic property through the water absorption sea between the baffles, so that the pen washing is finished;

wherein, after finishing washing, illumination detection device automated inspection observation window's waste water clarity, if not up to standard, can repeat and soak and wash the operation.

10. A method for cleaning painting tools of a special painting table as claimed in any one of claims 7 to 8, characterized in that it comprises

Placing the color mixing surface of the color mixing tray downwards on a clamp of a second cleaning cavity for clamping, and pulling the cover body to a closed state, wherein a second water outlet is in a closed state;

the color palette is adjusted to a cleaning position through the vertical moving mechanism, water is sprayed from side water spray nozzles, the water spraying amount is flooded to the bottom position of the color palette, the color palette is brushed for the first time by rotating the rotating chassis while spraying water, and the time for brushing the color palette for the first time is 100 and 300 s; after the first disc brushing is finished, the second water outlet is opened for draining water; and according to the cleanness of the color palette, circularly spraying water and brushing the palette for 1-3 times.

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