Quantitative mixing and spraying device for multi-component coating

Abstract

The utility model relates to the field of mixed spraying devices, in particular to a multi-component coating quantitative mixed spraying device which comprises a containing box. A liquid inlet pipe is fixedly connected to the upper portion of the right end of the containing box in a penetrating mode, a third electromagnetic valve is arranged on the liquid inlet pipe, a mixing tank is fixedly connected to the upper end of the liquid inlet pipe, and an L-shaped block is fixedly connected to the right end of the containing box. A third electric cylinder is started to enable a plugging column to move upwards from the inner wall of a discharging hole, mixed liquid in a mixing tank can flow into a containing box through a liquid inlet pipe, then a third electromagnetic valve is closed, a pressure mechanism is started to press the mixed liquid in the containing box downwards, a spraying mechanism is started, and spraying is completed. The mixed liquid in the containing box can be sprayed outwards from the left end of the spraying mechanism, the spraying angle of the spraying mechanism can be adjusted by opening the angle adjusting assembly, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the field of mixed spraying devices, and in particular relates to a multi-component paint quantitative mixed spraying device. Background Art

[0002] In the field of paint mixing technology, especially in the fields of industrial coating, automobile manufacturing, and building exterior wall coating, the mixing and spraying of paint is a crucial link. The mixing spraying device is a special equipment that integrates the mixing and spraying functions.

[0003] At present, the traditional paint mixing method mostly adopts manual stirring or using simple stirring equipment to mix and match different kinds of paints, and then spraying the paint on the object to achieve coloring of the object. However, when using the existing paint mixing device, it is usually difficult to quantitatively inject multi-component paints into the mixing barrel for rapid mixing, and it is difficult to quickly spray the mixed liquid at multiple angles through the nozzle after mixing, which needs further improvement.

[0004] Therefore, a multi-component paint quantitative mixing and spraying device is proposed, which can quantitatively inject multi-component paint into a mixing barrel for rapid mixing, and after mixing, the mixed liquid can be quickly sprayed out through a nozzle at multiple angles. Utility Model Content

[0005] In order to overcome the problem that it is usually difficult to quantitatively inject multi-component paint into the mixing barrel for rapid mixing when using existing paint mixing devices, and it is difficult to quickly spray the mixed liquid through the nozzle at multiple angles after mixing, a multi-component paint quantitative mixing and spraying device is proposed.

[0006] The technical scheme of the utility model is: a multi-component paint quantitative mixing spraying device, comprising a holding box; a liquid inlet pipe is fixedly connected to the upper right end of the holding box, a third solenoid valve is arranged on the liquid inlet pipe, a mixing tank is fixedly connected to the upper end of the liquid inlet pipe, an L-shaped block is fixedly connected to the right end of the holding box, the upper end of the L-shaped block is fixedly connected to the lower end of the mixing tank, an angle adjustment component for adjusting the angle of the holding box is jointly arranged at the bottom of the holding box and the side wall of the mixing tank, a weighing and mixing component for quantitatively weighing and mixing the paint is arranged on the inner wall of the mixing tank, a spraying mechanism for spraying the paint is arranged at the left end of the holding box, and a mixing mechanism is arranged on the inner wall of the upper end of the holding box. The pressure mechanism, the weighing and mixing assembly includes a mounting cover, a liquid injection tube, a measuring cylinder, a first solenoid valve and a mixing mechanism. The mounting cover is threadedly installed on the inner wall of the upper end of the mixing tank. Three evenly distributed liquid injection tubes are fixedly connected through the upper end of the mounting cover. The upper end of the liquid injection tube is fixedly connected to a measuring cylinder. The side wall of the measuring cylinder is provided with scale lines. The first solenoid valve is provided on the liquid injection tube. The upper end of the mounting cover is fixedly connected to a third electric cylinder. The lower end of the output shaft of the third electric cylinder passes through the mounting cover and is fixedly connected to a blocking column. A feeding hole is penetrated at the lower end of the mixing tank. The inner wall of the feeding hole is in contact with the lower end side wall of the blocking column. The inner wall of the upper end of the liquid inlet tube is flush with the inner wall of the feeding hole.

[0007] Preferably, when in use, the third electric cylinder is first opened to allow the blocking column to enter the inner wall of the discharge hole to block the discharge hole, and then the coating liquid is put into the measuring cylinder, and the input amount is judged by the scale lines on the side wall of the measuring cylinder. After a variety of coatings are put into the interior of the three measuring cylinders, the first solenoid valve is opened to allow the coating liquid in the measuring cylinder to fall downward into the mixing tank, and then the mixing mechanism is opened to mix the coating liquids of different components, and the angle adjustment component is opened to adjust the angle of the mixing tank. After the mixing is completed, the third electric cylinder is opened to allow the blocking column to move upward from the inner wall of the discharge hole, and the mixed liquid in the mixing tank is It will flow into the interior of the receiving box through the liquid inlet pipe, and then the third solenoid valve is closed, the pressure mechanism is opened to press down the mixed liquid in the receiving box, and the spraying mechanism is opened, and the mixed liquid in the receiving box will be sprayed outward from the left end of the spraying mechanism. The opening angle adjustment component can also adjust the spraying angle of the spraying mechanism. By setting the L-shaped block, the stability of the connection between the receiving box and the mixing tank can be improved, which solves the problem that it is usually difficult to quantitatively inject multi-component paint into the mixing barrel for rapid mixing during use of the existing paint mixing device, and it is difficult to quickly spray the mixed liquid through the nozzle at multiple angles after mixing.

[0008] Preferably, the mixing mechanism includes a motor, a rotating column and a stirring plate; the motor is fixedly connected to the center of the upper end of the mounting cover, the lower end of the motor's output shaft passes through the mounting cover and is fixedly connected to the rotating column, and the side walls of the rotating column are fixedly connected to evenly distributed stirring plates.

[0009] Preferably, the lower end of the rotating column is in contact with the bottom surface of the inner wall of the mixing tank, and a gap exists between the end of the stirring plate away from the rotating column and the side wall of the blocking column close to the rotating column.

[0010] Preferably, the spraying mechanism includes an output pipe, a nozzle and a second solenoid valve; two output pipes are fixedly connected to the left end of the container, the left end of the output pipe is fixedly connected to the nozzle, and the second solenoid valve is arranged on the output pipe.

[0011] Preferably, the pressure mechanism includes a sealing block, a second electric cylinder and a pressure block; the upper end of the receiving box is open, the sealing block is fixedly connected to the inner wall of the upper end of the receiving box, the upper end of the sealing block is fixedly connected to the second electric cylinder, the lower end of the output shaft of the second electric cylinder passes through the sealing block and is fixedly connected to the pressure block, and the side wall of the pressure block is in contact with the inner wall of the receiving box.

[0012] Preferably, the angle adjustment assembly includes a base plate, a first U-shaped block, a limit column, a hinge seat, a first electric cylinder, a sleeve block and a second U-shaped block; the base plate is placed under the receiving box, the lower parts of both sides of the receiving box are fixedly connected to the limit columns, the side walls of the two limit columns are rotatably installed with the first U-shaped block, the lower end of the first U-shaped block is fixedly connected to the upper end of the base plate, the hinge seat is fixedly connected to the right edge of the upper end of the base plate, the first electric cylinder is hingedly connected to both sides of the inner wall of the hinge seat, the sleeve block is fixedly connected to the middle and lower part of the side wall of the mixing tank, the second U-shaped blocks are hingedly connected to both sides of the sleeve block, and the lower end of the second U-shaped block is fixedly connected to the upper end of the output shaft of the first electric cylinder.

[0013] Preferably, the height of the mixing tank is higher than the height of the containing box, and the two sides of the containing box are in contact with the inner walls of the first U-shaped block.

[0014] The beneficial effects of the utility model are as follows: the third electric cylinder is turned on to allow the blocking column to enter the inner wall of the discharge hole to block the discharge hole, and then the coating liquid is put into the measuring cylinder, and the amount of coating is judged by the scale lines on the side wall of the measuring cylinder. After a variety of coatings are put into the interior of the three measuring cylinders, the first solenoid valve is turned on to allow the coating liquid in the measuring cylinder to fall downward into the mixing tank, and then the mixing mechanism is turned on to mix the coating liquids of different components, and the angle adjustment component is turned on to adjust the angle of the mixing tank to improve the mixing effect. After the mixing is completed, the third electric cylinder is turned on to allow the blocking column to move upward from the inner wall of the discharge hole to mix. The mixed liquid in the tank will flow into the interior of the receiving box through the liquid inlet pipe, and then the third solenoid valve will be closed, the pressure mechanism will be opened to press down the mixed liquid in the receiving box, the spray mechanism will be opened, and the mixed liquid in the receiving box will be sprayed outward from the left end of the spray mechanism. The angle adjustment component can also be opened to adjust the spraying angle of the spray mechanism. The stability of the connection between the receiving box and the mixing tank can be improved by setting an L-shaped block, which solves the problem that it is usually difficult to quantitatively inject multi-component paint into the mixing barrel for rapid mixing when using the existing paint mixing device, and it is difficult to quickly spray the mixed liquid through the nozzle at multiple angles after mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1What is shown is a three-dimensional schematic diagram of a multi-component coating quantitative mixing and spraying device of the utility model;

[0016] Figure 2 What is shown is a three-dimensional structural schematic diagram of an angle adjustment component of a multi-component coating quantitative mixing and spraying device of the utility model;

[0017] Figure 3 What is shown is a three-dimensional structural schematic diagram of a spraying mechanism of a multi-component coating quantitative mixing spraying device of the utility model;

[0018] Figure 4 What is shown is a three-dimensional structural schematic diagram of a pressure mechanism of a multi-component coating quantitative mixing and spraying device of the utility model;

[0019] Figure 5 What is shown is a three-dimensional structural schematic diagram of a weighing and mixing component of a multi-component coating quantitative mixing and spraying device of the utility model;

[0020] Figure 6 What is shown is a three-dimensional structural schematic diagram of a feed hole of a multi-component paint quantitative mixing and spraying device of the utility model.

[0021] The markings in the attached drawings are: 1. loading box; 2. angle adjustment assembly; 201. bottom plate; 202. first U-shaped block; 203. limiting column; 204. hinge seat; 205. first electric cylinder; 206. sleeve block; 207. second U-shaped block; 3. L-shaped block; 4. mixing tank; 401. mounting cover; 402. liquid injection pipe; 403. measuring cylinder; 404. first solenoid valve; 405. motor; 406. rotating column; 407. stirring plate; 5. spraying mechanism; 501. output pipe; 502. nozzle; 503. second solenoid valve; 6. pressure mechanism; 601. sealing block; 602. second electric cylinder; 603. pressing block; 7. liquid inlet pipe; 8. third solenoid valve; 9. third electric cylinder; 10. blocking column; 11. discharge hole. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Example 1: Please refer to Figure 1-Figure 6, a multi-component paint quantitative mixing and spraying device, comprising a holding box 1; a liquid inlet pipe 7 is fixedly connected to the upper right end of the holding box 1, a third solenoid valve 8 is arranged on the liquid inlet pipe 7, a mixing tank 4 is fixedly connected to the upper end of the liquid inlet pipe 7, an L-shaped block 3 is fixedly connected to the right end of the holding box 1, the upper end of the L-shaped block 3 is fixedly connected to the lower end of the mixing tank 4, an angle adjustment component 2 for adjusting the angle of the holding box 1 is jointly arranged on the lower side wall of the holding box 1 and the side wall of the mixing tank 4, a weighing and mixing component for quantitatively weighing and mixing the paint is arranged on the inner wall of the mixing tank 4, a spraying mechanism 5 for spraying the paint is arranged on the left end of the holding box 1, a pressure mechanism 6 is arranged on the inner wall of the upper end of the holding box 1, and the weighing and mixing component comprises a mounting cover 401, a liquid injection pipe 402, a measuring cylinder 403, a first solenoid valve 404 and a mixing mechanism. A mounting cover 401 is threadedly installed on the inner wall of the upper end of the mixing tank 4. Three evenly distributed injection tubes 402 are fixedly connected to the upper end of the mounting cover 401. The upper end of the injection tube 402 is fixedly connected to a measuring cylinder 403. The side wall of the measuring cylinder 403 is provided with scale lines. The first solenoid valve 404 is provided on the injection tube 402. The upper end of the mounting cover 401 is fixedly connected to a third electric cylinder 9. The lower end of the output shaft of the third electric cylinder 9 passes through the mounting cover 401 and is fixedly connected to a blocking column 10. A discharge hole 11 is penetrated and opened at the lower end of the mixing tank 4. The inner wall of the discharge hole 11 is in contact with the lower end side wall of the blocking column 10. The upper inner wall of the liquid inlet pipe 7 is flush with the inner wall of the discharge hole 11.

[0024] When in use, first open the third electric cylinder 9 to allow the blocking column 10 to enter the inner wall of the discharge hole 11 to block the discharge hole 11, and then put the coating liquid into the measuring cylinder 403, and judge the input amount by the scale lines on the side wall of the measuring cylinder 403. After putting a variety of coatings into the interior of the three measuring cylinders 403, open the first solenoid valve 404 to allow the coating liquid in the measuring cylinder 403 to fall downward into the mixing tank 4, and then open the mixing mechanism to mix the coating liquids of different components, and then open the angle adjustment component 2 to adjust the angle of the mixing tank 4 to improve the mixing effect. When the mixing is completed, the third electric cylinder 9 is turned on to make the blocking column 10 move upward from the inner wall of the discharge hole 11, and the mixed liquid in the mixing tank 4 will flow into the interior of the receiving box 1 through the liquid inlet pipe 7, and then the third solenoid valve 8 is closed, and the pressure mechanism 6 is turned on to press down the mixed liquid in the receiving box 1, and the spraying mechanism 5 is turned on, and the mixed liquid in the receiving box 1 will be sprayed outward from the left end of the spraying mechanism 5. The angle adjustment component 2 can also be turned on to adjust the spraying angle of the spraying mechanism 5. By setting the L-shaped block 3, the stability of the connection between the receiving box 1 and the mixing tank 4 can be improved.

[0025] See also Figure 5 and Figure 6In the present embodiment, the mixing mechanism comprises a motor 405, a rotating column 406 and a stirring plate 407; the motor 405 is fixedly connected to the center of the upper end of the mounting cover 401, the lower end of the output shaft of the motor 405 passes through the mounting cover 401 and is fixedly connected to the rotating column 406, and the side wall of the rotating column 406 is fixedly connected with evenly distributed stirring plates 407. When the interior of the mixing tank 4 needs to be mixed, the motor 405 is turned on to rotate the rotating column 406, and the stirring plate 407 will stir the interior of the mixing tank 4.

[0026] See also Figure 5 and Figure 6 In this embodiment, the lower end of the rotating column 406 is in contact with the bottom surface of the inner wall of the mixing tank 4, and there is a gap between the end of the stirring plate 407 away from the rotating column 406 and the side wall of the blocking column 10 close to the rotating column 406. When the stirring plate 407 rotates, it does not interfere with the blocking column 10, and the mixed liquid in the mixing tank 4 can be quickly stirred by using the stirring plate 407.

[0027] See also Figure 3 In this embodiment, the spraying mechanism 5 includes an output pipe 501, a nozzle 502 and a second solenoid valve 503; the left end of the container 1 is fixedly connected with two output pipes 501, the left end of the output pipe 501 is fixedly connected with a nozzle 502, and the output pipe 501 is provided with a second solenoid valve 503. By opening the second solenoid valve 503 on the output pipe 501, the nozzle 502 can be used to spray the mixed liquid outward.

[0028] See also Figure 1 , Figure 3 and Figure 4 In this embodiment, the pressure mechanism 6 includes a sealing block 601, a second electric cylinder 602 and a pressure block 603; the upper end of the receiving box 1 is open, the inner wall of the upper end of the receiving box 1 is fixedly connected with the sealing block 601, the upper end of the sealing block 601 is fixedly connected with the second electric cylinder 602, the lower end of the output shaft of the second electric cylinder 602 passes through the sealing block 601 and is fixedly connected with the pressure block 603, the side wall of the pressure block 603 is in contact with the inner wall of the receiving box 1, when it is necessary to extrude the mixed liquid in the receiving box 1, the second electric cylinder 602 is opened to make the pressure block 603 move downward, so that the mixed liquid in the receiving box 1 can be squeezed into the interior of the output pipe 501, and then sprayed out from the nozzle 502.

[0029] Example 2: Please refer to Figure 2On the basis of Example 1, the present application provides a technical solution: the angle adjustment component 2 includes a bottom plate 201, a first U-shaped block 202, a limiting column 203, a hinge seat 204, a first electric cylinder 205, a sleeve block 206 and a second U-shaped block 207; the bottom plate 201 is placed under the receiving box 1, and the limiting columns 203 are fixedly connected to the lower parts of both sides of the receiving box 1, and the side walls of the two limiting columns 203 are rotatably installed with the first U-shaped block 202, the lower end of the first U-shaped block 202 is fixedly connected to the upper end of the bottom plate 201, and the hinge seat 204 is fixedly connected to the right edge of the upper end of the bottom plate 201, and the inner wall of the hinge seat 204 is hingedly connected to the two sides. The first electric cylinder 205 is fixedly connected with a sleeve block 206 at the middle and lower part of the side wall of the mixing tank 4, and the second U-shaped blocks 207 are hinged on both sides of the sleeve block 206. The lower end of the second U-shaped block 207 is fixedly connected to the upper end of the output shaft of the first electric cylinder 205. When it is necessary to adjust the angle of the containing box 1 and the mixing tank 4, the first electric cylinder 205 is opened to extend the output shaft of the first electric cylinder 205, which can facilitate the angle adjustment of the containing box 1 and the mixing tank 4, thereby changing the spraying angle of the spraying mechanism 5. The mixing tank 4 can be moved by adjusting the angle, which can improve the mixing effect of the mixed liquid in the mixing tank 4.

[0030] See also Figure 1 and Figure 2 In this embodiment, the height of the mixing tank 4 is higher than the height of the containing box 1, and the two sides of the containing box 1 are in contact with the inner walls of the first U-shaped block 202, so that the containing box 1 can rotate stably along the inner walls of the first U-shaped block 202.

[0031] Working principle: First, open the third electric cylinder 9 to allow the blocking column 10 to enter the inner wall of the discharge hole 11 to block the discharge hole 11, and then put the coating liquid into the measuring cylinder 403. The amount of coating is determined by the scale lines on the side wall of the measuring cylinder 403. After a variety of coatings are put into the interior of the three measuring cylinders 403, open the first solenoid valve 404 to allow the coating liquid in the measuring cylinder 403 to fall downward into the mixing tank 4;

[0032] After that, the motor 405 is turned on to rotate the rotating column 406, and the stirring plate 407 stirs the inside of the mixing tank 4 to mix the coating liquids of different components;

[0033] Then, the first electric cylinder 205 is turned on to extend the output shaft of the first electric cylinder 205, so that the angle of the mixing tank 4 can be adjusted. Since the mixing tank 4 is shaken by the extension and retraction of the first electric cylinder 205, the mixing effect is improved.

[0034] Next, the third electric cylinder 9 is turned on to make the blocking column 10 move upward from the inner wall of the discharge hole 11, and the mixed liquid in the mixing tank 4 flows into the interior of the container box 1 through the liquid inlet pipe 7;

[0035] Then, the third solenoid valve 8 is closed, and the second electric cylinder 602 is opened to move the pressing block 603 downward, so that the mixed liquid in the container 1 can be squeezed into the inside of the output pipe 501, and then sprayed out from the nozzle 502 to achieve spraying on the object;

[0036] When in use, the spraying angle of the spraying mechanism 5 can be adjusted by opening the first electric cylinder 205 so that the output shaft of the first electric cylinder 205 can be extended or retracted.

[0037] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A quantitative mixing and spraying device for multi-component coatings, comprising a container (1); characterized in that: A liquid inlet pipe (7) is fixedly connected to the upper right end of the container box (1), the liquid inlet pipe (7) is provided with a third solenoid valve (8), the upper end of the liquid inlet pipe (7) is fixedly connected to a mixing tank (4), the right end of the container box (1) is fixedly connected to an L-shaped block (3), the upper end of the L-shaped block (3) is fixedly connected to the lower end of the mixing tank (4), an angle adjustment component (2) for adjusting the angle of the container box (1) is provided on the lower side of the container box (1) and the side wall of the mixing tank (4), a weighing and mixing component for quantitatively weighing and mixing the paint is provided on the inner wall of the mixing tank (4), a spraying mechanism (5) for spraying the paint is provided on the left end of the container box (1), a pressure mechanism (6) is provided on the inner wall of the upper end of the container box (1), and the weighing and mixing component comprises a mounting cover (401), a liquid injection pipe (402), a measuring cylinder (403), and a first A solenoid valve (404) and a mixing mechanism, wherein a mounting cover (401) is threadedly mounted on the inner wall of the upper end of the mixing tank (4), three evenly distributed injection pipes (402) are fixedly connected through the upper end of the mounting cover (401), a measuring cylinder (403) is fixedly connected to the upper end of the injection pipe (402), a scale line is provided on the side wall of the measuring cylinder (403), a first solenoid valve (404) is provided on the injection pipe (402), a third electric cylinder (9) is fixedly connected to the upper end of the mounting cover (401), the lower end of the output shaft of the third electric cylinder (9) passes through the mounting cover (401) and is fixedly connected to a blocking column (10), a feeding hole (11) is penetrated through the lower end of the mixing tank (4), the inner wall of the feeding hole (11) is in contact with the lower end side wall of the blocking column (10), and the upper inner wall of the liquid inlet pipe (7) is flush with the inner wall of the feeding hole (11).

2. A multi-component coating quantitative mixing and spraying device according to claim 1, characterized in that: The mixing mechanism comprises a motor (405), a rotating column (406) and a stirring plate (407); the motor (405) is fixedly connected to the center of the upper end of the mounting cover (401); the lower end of the output shaft of the motor (405) passes through the mounting cover (401) and is fixedly connected to the rotating column (406); and the side wall of the rotating column (406) is fixedly connected to the stirring plates (407) distributed evenly.

3. A multi-component coating quantitative mixing and spraying device according to claim 2, characterized in that: The lower end of the rotating column (406) is in contact with the bottom surface of the inner wall of the mixing tank (4), and a gap exists between the end of the stirring plate (407) away from the rotating column (406) and the side wall of the blocking column (10) close to the rotating column (406).

4. A multi-component coating quantitative mixing and spraying device according to claim 1, characterized in that: The spraying mechanism (5) comprises an output pipe (501), a spray head (502) and a second solenoid valve (503); the left end of the container box (1) is fixedly connected to two output pipes (501) through the output pipes (501), the left end of the output pipes (501) is fixedly connected to the spray head (502), and the output pipes (501) are provided with a second solenoid valve (503).

5. A multi-component coating quantitative mixing and spraying device according to claim 1, characterized in that: The pressure mechanism (6) comprises a sealing block (601), a second electric cylinder (602) and a pressure block (603); the upper end of the receiving box (1) is open, the sealing block (601) is fixedly connected to the inner wall of the upper end of the receiving box (1), the upper end of the sealing block (601) is fixedly connected to the second electric cylinder (602), the lower end of the output shaft of the second electric cylinder (602) passes through the sealing block (601) and is fixedly connected to the pressure block (603), and the side wall of the pressure block (603) is in contact with the inner wall of the receiving box (1).

6. A multi-component coating quantitative mixing and spraying device according to claim 1, characterized in that: The angle adjustment assembly (2) comprises a bottom plate (201), a first U-shaped block (202), a limiting column (203), a hinge seat (204), a first electric cylinder (205), a sleeve block (206) and a second U-shaped block (207); the bottom plate (201) is placed below the receiving box (1); the limiting columns (203) are fixedly connected to the lower parts of both sides of the receiving box (1); the side walls of the two limiting columns (203) are rotatably mounted with the first U-shaped block (202); The lower end of the U-shaped block (202) is fixedly connected to the upper end of the bottom plate (201); a hinge seat (204) is fixedly connected to the right edge of the upper end of the bottom plate (201); a first electric cylinder (205) is hingedly connected to both sides of the inner wall of the hinge seat (204); a sleeve block (206) is fixedly connected to the middle and lower part of the side wall of the mixing tank (4); a second U-shaped block (207) is hingedly connected to both sides of the sleeve block (206); and the lower end of the second U-shaped block (207) is fixedly connected to the upper end of the output shaft of the first electric cylinder (205).

7. A multi-component coating quantitative mixing and spraying device according to claim 6, characterized in that: The height of the mixing tank (4) is higher than the height of the containing box (1), and two sides of the containing box (1) are in contact with the inner walls of two sides of the first U-shaped block (202).

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