Paint mixing and spraying all-in-one machine

Abstract

The invention relates to the field of spraying machines, and discloses a paint mixing and spraying all-in-one machine which comprises a movable base, a material mixing tank, a conveying pump and a spraying head, a water storage spraying ring, a water conveying assembly and a material mixing and stirring blade set driven by a servo motor are additionally arranged, and the water storage spraying ring is driven by an electric air cylinder, moves up and down in the material mixing tank and rotates; according to the paint mixing and spraying all-in-one machine, the interior of the tank is comprehensively scoured through densely-distributed water outlet nozzles, the cleaning effect is ensured, flexible transmission and convenient disassembly of a stirring center shaft and a motor shaft are achieved through a transmission active connecting structure, maintenance and repair are convenient, the paint mixing and spraying all-in-one machine further has excellent sealing performance, and mutual pollution of water and paint is prevented; in addition, the device is compact in structure, high in integration level, convenient to move and operate on site and suitable for various working scenes, the working efficiency of mixing and spraying the paint is effectively improved, the spraying quality is guaranteed, and the equipment maintenance difficulty and cost are reduced.

Description

Technical Field

[0001] The invention relates to the field of spraying machines, in particular to a paint mixing and spraying integrated machine. Background Art

[0002] The paint mixing and spraying machine is mainly composed of a mixer, a delivery pump, a spray gun, etc. The mixer is responsible for mixing different types of paint evenly, the delivery pump is responsible for delivering the mixed paint to the spray gun, and the spray gun is responsible for spraying the paint evenly onto the object that needs the paint. Based on the rheological properties of the paint, the paint in the mixer is subjected to the rotation and high-speed shearing of the blades, which makes the particle size of the paint smaller and the viscosity lower, thereby achieving uniform mixing. The delivery pump uses pressure to deliver the mixed paint from the mixer to the spray gun, and the spray gun sprays the paint evenly onto the object that needs the paint through high-speed spraying. Among them, for the mixing equipment, poor cleaning effect is a more prominent problem. After completing the paint mixing and spraying operation, due to the lack of effective cleaning means, the residual paint will adhere to the inner wall of the mixing tank and the stirring parts, and it is difficult to completely remove it. These residual paints will be mixed into the new paint when the same mixing tank is used for paint mixing and spraying in the future, causing pollution to the subsequent spray paint, thereby affecting the spraying quality and the appearance and performance of the product. Moreover, the traditional cleaning method usually requires manual operation, which is inefficient. It is not only difficult to ensure the thoroughness of cleaning, but also increases the labor intensity of the operator. For this reason, the present invention proposes a paint mixing and spraying integrated machine. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a paint mixing and spraying integrated machine to solve the above-mentioned problems.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a paint mixing and spraying integrated machine, comprising a mobile base, a mixing tank, a delivery pump and a spray head, the mobile base is fixedly installed with a raised base, and the raised base is fixedly installed with a mixing tank, a flange sealing disk is connected to the mixing tank by bolts, a discharge port is opened at the bottom end of the mixing tank, and a paint delivery pipe is fixedly connected to the mixing tank corresponding to the discharge port and an electric valve is provided, a delivery pump is fixedly installed on one side of the mobile base corresponding to the raised base, and the delivery pump The input end of the first delivery pump is connected to the paint delivery pipe, the output end of the delivery pump is fixedly connected to the delivery hose, and one end of the delivery hose is fixedly connected to the spray head, a mixing stirring blade group is arranged inside the mixing tank, a sewage outlet is also arranged at the bottom of the mixing tank, and a sewage delivery pipe is fixedly connected to the sewage outlet at the bottom of the mixing tank and an electric valve 2 is fixedly arranged, a delivery pump 2 is fixedly installed on one side of the mobile base corresponding to the delivery pump 1, and the input end of the delivery pump 2 is connected to the sewage delivery pipe, and the output end of the delivery pump 2 is fixedly connected to the sewage pipe, and further includes: A water storage spray ring and a water delivery assembly connected to the water storage spray ring, wherein the water storage assembly is arranged on one side of the mixing tank, the water storage spray ring is arranged inside the mixing tank, two groups of electric cylinders are fixedly installed on the top of the flange sealing disk, the piston shafts of the two groups of electric cylinders penetrate into the interior of the mixing tank and are fixedly connected to the water storage spray ring, and the water storage spray ring cooperates with the electric cylinder and the water delivery assembly to complete the cleaning of the interior of the mixing tank and water delivery during mixing; A servo motor and a stirring center shaft located at the center of the mixing and stirring blade group, the servo motor is fixedly installed at the top center of the flange sealing disk for driving the mixing and stirring blade group, and the servo motor includes a motor shaft integrally extending into the mixing tank, and the servo motor is connected to the stirring center shaft at the center of the mixing and stirring blade group through the motor shaft; The transmission active connection structure is arranged between the stirring center shaft and the motor shaft. The transmission active connection structure can be used for the transmission connection between the stirring center shaft and the motor shaft and for disassembling and separating the mixing stirring blade group after use.

[0005] Preferably, a feeding port is fixedly provided at the top of the flange sealing disk for feeding coating raw materials, and a sealing cover is threadedly connected to the feeding port corresponding to the flange sealing disk.

[0006] Preferably, the water delivery assembly includes a water tank, a water pump and a water delivery hose. The water tank is fixedly installed on one side of the mobile base corresponding to the mixing tank, and the water pump is fixedly installed on the water tank. The input end of the water pump is connected to the water tank, and the output end of the water pump is fixedly connected to a curved water delivery hose. A circular through hole is opened at the top of the flange sealing disk near the side, and the water delivery hose extends into the interior of the mixing tank through the circular through hole on the flange sealing disk and is connected to the water storage spray ring.

[0007] Preferably, the water storage spray ring is composed of a split upper half ring and a lower half ring, the two groups of electric cylinders on the flange sealing disk are respectively installed at positions close to the sides on both sides, and the lower ends of the piston shafts of the two groups of electric cylinders extending into the mixing tank are fixedly installed with the upper half ring, the inner diameter of the upper half ring is larger than the maximum width of the mixing stirring blade group, a hollow cavity with an opening at the bottom is opened inside the upper half ring, and the upper half ring is rotatably connected with the lower half ring through the hollow cavity at the bottom, the upper half ring and the lower half ring are hollow and connected up and down to form an annular water storage cavity, and the outer walls on both sides of the lower half ring are connected to the upper The inner walls on both sides of the half ring fit together, and the inner walls on both sides of the upper half ring corresponding to the hollow cavity near the top are provided with limit ring clamping grooves, the top inner ring and outer ring of the lower half ring are fixed with limit protruding rings that are integrated and fit in the limit ring clamping grooves on both sides, and one end of the water delivery hose extending into the mixing tank is connected to the annular water storage cavity formed by the upper half ring and the lower half ring. The bottom end of the lower half ring is semicircular, and the outer ring and inner ring of the lower half ring corresponding to the bottom are provided with water outlet nozzles densely distributed in an annular shape, and the water outlet nozzles of the inner ring and outer ring of the lower half ring are inclined to spread outward from the bottom.

[0008] Preferably, two groups of sealing rings are fixedly installed on the top inner wall of the hollow cavity corresponding to the upper half ring, and the two groups of sealing rings extend downward and fit tightly with the inner walls on both sides of the lower half ring, and the side walls of the sealing rings on both sides that are close to each other are inclined with the bottom end spreading outward.

[0009] Preferably, a micro motor is fixedly mounted on one side of the top outer wall of the upper semi-ring, and a gear is fixedly connected to the output shaft of the micro motor, a gear tooth groove matching the gear is provided on the top outer wall of the outer ring limiting protruding ring corresponding to the lower semi-ring, a through groove communicating with the limiting ring clamping groove close to the outer ring in the upper semi-ring is provided directly below the top outer wall of the upper semi-ring corresponding to the gear, and the bottom end of the gear is meshed with the gear tooth groove on the outer ring limiting protruding ring on the lower semi-ring through the through groove.

[0010] Preferably, the transmission active connection structure includes a transmission vertical clamping strip and a transmission vertical clamping groove. The top of the stirring center shaft is provided with a sleeve groove for fitting and sleeved on the motor shaft. The outer walls on both sides of the motor shaft are provided with symmetrical transmission vertical clamping grooves. The bottom end of the transmission vertical clamping groove corresponding to the motor shaft is open. The inner walls on both sides of the stirring center shaft corresponding to the sleeve groove are fixed with transmission vertical clamping strips that fit and are sleeved in the transmission vertical clamping groove.

[0011] Preferably, the transmission active connection structure also includes a fixed connection clamp, a fixed connection notch groove and a semi-ring hoop member, the top ends of the two groups of transmission vertical clamping strips in the stirring center shaft are fixedly provided with fixed connection clamps protruding from the top end of the stirring center shaft, and the fixed connection clamps are fitted and clamped in the top area of ​​the transmission vertical clamping groove, and the thickness of the fixed connection clamps is greater than the thickness of the transmission vertical clamping strip, the outer surface of the fixed connection clamp is flush with the outer surfaces on both sides of the stirring center shaft, and two groups of upper and lower parallel hinge ears are fixedly installed at the middle of the fixed connection clamps on both sides of the motor shaft corresponding to the two sides. Semi-ring hoop members are symmetrical on both sides of the hinge ears, and the side outer walls corresponding to the fixed connection clamps on both sides that are opposite to each other are provided with fixed connection notch grooves adapted to the semi-ring hoop members, and the fixed connection notch grooves are open, and the two groups of semi-ring hoop members are respectively fitted and clamped and pass through the fixed connection notch grooves opened by the fixed connection clamps on both sides, and the ends of the two groups of semi-ring hoop members facing away from the hinge ears are fixedly connected by bolts.

[0012] Preferably, the inner diameter of the ring formed by the two groups of semi-hoop parts is larger than the end diameter of the motor shaft and smaller than the end diameter of the stirring center shaft.

[0013] Compared with the prior art, the present invention provides a paint mixing and spraying machine, which has the following beneficial effects: Equipped with a special water storage spray ring and water delivery components, the mixing tank can be automatically cleaned after the spraying operation is completed.

[0014] The water tank and water pump in the water delivery assembly can deliver water to the annular water storage cavity of the water storage spray ring through the water delivery hose. The upper and lower half rings of the water storage spray ring are cleverly designed. The upper half ring is rotated and clamped to the lower half ring through the hollow cavity. The water outlet nozzles of the lower half ring are densely distributed in a ring shape and the bottom end is inclined to diffuse outward, so that the water flow can flush the inside of the mixing tank from multiple angles, thereby improving the cleaning range and cleaning effect.

[0015] The micro motor at the top of the upper half ring drives the gear to rotate, and the gear meshes with the gear groove of the lower half ring, thereby driving the lower half ring to rotate continuously, further improving the flushing effect of the water storage spray ring on the mixing tank, so that the inner wall of the mixing tank and the mixing stirring blade group can be fully cleaned, effectively avoiding residual paint from contaminating subsequent paints, and ensuring the quality of subsequent spraying operations.

[0016] The piston shaft of the electric cylinder is connected to the water storage spray ring, which can drive the water storage spray ring to move up and down in the mixing tank, vertically moving from the top to the bottom and from the bottom to the top, so that the water storage spray ring can cover different height positions of the mixing tank, ensuring that the entire interior of the mixing tank can be thoroughly cleaned, thereby improving the comprehensiveness of the cleaning.

[0017] Good sealing and leak-proof performance: Two sets of sealing rings are installed on the inner wall of the top end of the hollow cavity corresponding to the upper half ring. During the water supply process, the pressure generated when water is transmitted from top to bottom to the upper half ring will make the sealing ring fit tightly to the gap between the lower half ring and the upper half ring, thereby improving the sealing performance of the connection between the upper half ring and the lower half ring, preventing water from leaking in the water storage spray ring, ensuring the smooth progress of the cleaning process, and avoiding mutual contamination between water and paint.

[0018] Easy maintenance and repair: The transmission active connection structure not only realizes the transmission connection between the stirring center shaft and the motor shaft, ensuring the normal operation of the paint mixing function, but also facilitates the disassembly of the mixing and stirring blade group. By removing the bolts on the semi-hoop and opening the semi-hoop, the fixed connection between the stirring center shaft and the motor shaft can be released, and the stirring center shaft and the mixing and stirring blade group can be removed from the motor shaft as a whole, which is convenient for repairing and replacing the mixing and stirring blade group or further cleaning the inside of the mixing tank, reducing the difficulty and cost of equipment maintenance and extending the service life of the equipment.

[0019] Compact structure and high integration: The entire all-in-one machine rationally integrates multiple functional components such as mixing tank, delivery pump, spray head, cleaning device, transmission device, etc. on the mobile base. It is not only compact in structure and saves space, but also easy to move through the mobile base, which improves the flexibility and adaptability of the equipment. It is suitable for different work scenarios and facilitates on-site construction and operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a cross-sectional schematic diagram of the mixing tank in the present invention; Figure 3 It is a cross-sectional exploded schematic diagram of the water storage spray ring in the present invention; Figure 4 for Figure 3 A local enlarged schematic diagram of point A in FIG. Figure 5 It is a schematic diagram of the structure of the lower half ring in the present invention; Figure 6 It is an exploded schematic diagram of the motor shaft and the stirring center shaft in the present invention; Figure 7 for Figure 6 A local enlarged schematic diagram of point B in the figure.

[0021] In the figure: 1. mobile base; 2. elevated base; 3. mixing tank; 4. flange sealing plate; 5. delivery pump 1; 6. delivery pump 2; 7. sewage pipe; 8. paint delivery pipe; 9. sewage delivery pipe; 10. water tank; 11. water pump; 12. water delivery hose; 13. water storage spray ring; 14. electric cylinder; 15. servo motor; 16. stirring center shaft; 17. upper half ring; 18. lower half ring; 19. hollow cavity; 20. limit ring groove; 21. limit protruding ring; 22. sealing ring; 23. water outlet; 24. gear groove; 25. micro motor; 26. gear; 27. motor shaft; 28. transmission vertical card strip; 29. ​​transmission vertical card groove; 30. fixed connection card head; 31. fixed connection notch groove; 32. half ring hoop; 33. hinge ear; 34. sleeve tube groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-7A coating mixing and spraying machine includes a mobile base 1, a mixing tank 3, a delivery pump 5 and a spray head. The mobile base 1 is fixedly mounted with a raised base 2, and the raised base 2 is fixedly mounted with a mixing tank 3 for raising the mixing tank 3. The mixing tank 3 is provided with a flange sealing disk 4 by bolts, a discharge port is provided at the bottom end of the mixing tank 3, and a coating delivery pipe 8 is fixedly connected to the mixing tank 3 corresponding to the discharge port and an electric valve 1 is provided, a delivery pump 5 is fixedly installed on one side of the mobile base 1 corresponding to the elevated base 2, and the input end of the delivery pump 5 is connected to the coating delivery pipe 8, the output end of the delivery pump 5 is fixedly connected to a delivery hose, and one end of the delivery hose is fixedly connected to a spray head, a mixing stirring blade group is provided inside the mixing tank 3, a sewage outlet is also provided at the bottom end of the mixing tank 3, and a sewage delivery pipe 9 is fixedly connected to the sewage outlet at the bottom end of the mixing tank 3 and an electric valve 2 is fixedly provided, a delivery pump 2 6 is fixedly installed on one side of the mobile base 1 corresponding to the delivery pump 5, and the input end of the delivery pump 2 6 is connected to the sewage delivery pipe 9, and the output end of the delivery pump 2 6 is fixedly connected to a sewage pipe 7, and also includes: A water storage spray ring 13 and a water delivery component connected to the water storage spray ring 13, wherein the water storage component is arranged on one side of the mixing tank 3, the water storage spray ring 13 is arranged inside the mixing tank 3, two groups of electric cylinders 14 are fixedly installed on the top of the flange sealing disk 4, the piston shafts of the two groups of electric cylinders 14 penetrate into the interior of the mixing tank 3 and are fixedly connected to the water storage spray ring 13, and the water storage spray ring 13 cooperates with the electric cylinder 14 and the water delivery component to complete the cleaning of the interior of the mixing tank 3 and water delivery during mixing; A servo motor 15 and a stirring center shaft 16 located at the center of the mixing and stirring blade group. The servo motor 15 is fixedly installed at the top center of the flange sealing disk 4 to drive the mixing and stirring blade group, and the servo motor 15 includes a motor shaft 27 that extends into the mixing tank 3 in an integrated manner. The servo motor 15 is connected to the stirring center shaft 16 at the center of the mixing and stirring blade group through the motor shaft 27; The transmission active connection structure is arranged between the stirring center shaft 16 and the motor shaft 27. The transmission active connection structure can be used for the transmission connection between the stirring center shaft 16 and the motor shaft 27 and for disassembling and separating the mixing stirring blade group after use.

[0024] A feeding port is fixedly arranged at the top of the flange sealing disc 4 for feeding the coating raw materials, and a sealing cover is threadedly connected to the corresponding feeding port on the flange sealing disc 4 .

[0025] The water delivery assembly includes a water tank 10, a water pump 11 and a water delivery hose 12. The water tank 10 is fixedly installed on one side of the mobile base 1 corresponding to the mixing tank 3, and the water pump 11 is fixedly installed on the water tank 10. The input end of the water pump 11 is connected to the water tank 10, and the output end of the water pump 11 is fixedly connected to a curved water delivery hose 12. A circular through hole is opened at the top of the flange sealing disk 4 near the side, and the water delivery hose 12 extends into the interior of the mixing tank 3 through the circular through hole on the flange sealing disk 4 and is connected to the water storage spray ring 13.

[0026] The water storage spray ring 13 is composed of a split upper half ring 17 and a lower half ring 18. The two groups of electric cylinders 14 on the flange sealing disk 4 are respectively installed at positions close to the sides on both sides, and the upper half ring 17 is fixedly installed at the bottom end of the piston shaft extending into the mixing tank 3 by the two groups of electric cylinders 14. The inner diameter of the upper half ring 17 is larger than the maximum width of the mixing stirring blade group. A hollow cavity 19 with an opening at the bottom is opened inside the upper half ring 17, and the upper half ring 17 is rotatably connected to the lower half ring 18 through the hollow cavity 19 at the bottom. The upper half ring 17 and the lower half ring 18 are hollow and connected up and down to form an annular water storage cavity. The outer walls on both sides of the lower half ring 18 are in contact with the inner walls on both sides of the upper half ring 17, and the upper half ring 17 corresponds to the hollow cavity 19 close to the top The inner walls on both sides are provided with limit ring grooves 20, the top inner ring and outer ring of the lower half ring 18 are fixed with limit protruding rings 21 that are integrally fitted and connected to the limit ring grooves 20 on both sides, and one end of the water delivery hose 12 extending into the mixing tank 3 is connected to the annular water storage cavity formed by the upper half ring 17 and the lower half ring 18. The bottom end of the lower half ring 18 is semicircular, and the outer ring and inner ring corresponding to the bottom of the lower half ring 18 are provided with water outlet nozzles 23 densely distributed in an annular shape, and the water outlet nozzles 23 of the inner ring and outer ring of the lower half ring 18 are inclined to spread outward from the bottom, and the inner wall of the mixing tank 3 can be flushed through the multiple groups of water outlet nozzles 23 of the outer ring, and the multiple groups of water outlet nozzles 23 of the inner ring can flush the mixing stirring blade group.

[0027] Two sets of sealing rings 22 are fixedly installed on the top inner wall of the upper half ring 17 corresponding to the hollow cavity 19. The two sets of sealing rings 22 extend downward and fit closely with the inner walls of the two sides of the lower half ring 18, and the side walls of the sealing rings 22 on both sides are close to each other and are inclined with the bottom end spreading outward. When the water is transmitted to the water storage spray ring 13 through the water delivery hose 12, pressure will be generated when the water is transmitted from top to bottom to the upper half ring 17, and fit the inclined outer walls of the two sets of sealing rings 22 in the upper half ring 17, thereby squeezing the sealing rings 22 on both sides to fit closely with the gap where the lower half ring 18 and the upper half ring 17 are connected, so as to cooperate with the sealing ring The ring 22 improves the sealing performance of the connection between the upper half ring 17 and the lower half ring 18; a micro motor 25 is fixedly installed on one side of the top outer wall of the upper half ring 17, and a gear 26 is fixedly connected to the output shaft of the micro motor 25, and a gear groove 24 adapted to the gear 26 is opened on the top outer wall of the lower half ring 18 corresponding to the outer ring limiting protruding ring 21, and a through groove connected to the limiting ring clamping groove 20 close to the outer ring in the upper half ring 17 is opened directly below the top outer wall of the upper half ring 17 corresponding to the gear 26, and the bottom end of the gear 26 is meshed with the gear groove 24 on the outer ring limiting protruding ring 21 on the lower half ring 18 through the through groove.

[0028] The transmission active connection structure includes a transmission vertical clamping strip 28 and a transmission vertical clamping groove 29. The top of the stirring center shaft 16 is provided with a sleeve groove 34 for fitting and sleeved with the motor shaft 27. The outer walls on both sides of the motor shaft 27 are provided with symmetrical transmission vertical clamping grooves 29, and the transmission vertical clamping grooves 29 are open at the bottom of the motor shaft 27. The inner walls on both sides of the stirring center shaft 16 corresponding to the sleeve groove 34 are fixed with transmission vertical clamping strips 28 that fit and snap into the transmission vertical clamping grooves 29. The micro motor 25 on the upper half ring 17 is synchronously driven to drive the gear 26 to rotate, and the gear 26 drives the lower half ring 18 in the upper half ring 17 to rotate continuously, thereby improving the flushing effect of the water storage spray ring 13 on the inside of the mixing tank 3, that is, improving the cleaning effect on the mixing tank 3.

[0029] The transmission active connection structure also includes a fixed connection clamp 30, a fixed connection notch groove 31 and a semi-hoop 32. The tops of the two groups of transmission vertical clamps 28 in the stirring center shaft 16 are fixed with fixed connection clamps 30 protruding from the top of the stirring center shaft 16, and the fixed connection clamps 30 are fitted and connected to the top area of ​​the transmission vertical clamp groove 29, and the thickness of the fixed connection clamps 30 is greater than the thickness of the transmission vertical clamp strips 28. The outer surface of the fixed connection clamp 30 is flush with the outer surfaces of both sides of the stirring center shaft 16, and the motor shaft 27 corresponds to the fixed connection clamps 3 on both sides. 0 is fixedly installed with two groups of upper and lower parallel hinge ears 33, and the two groups of hinge ears 33 are connected with semi-hoop pieces 32 symmetrically on both sides. The side outer walls corresponding to the fixed connection clamps 30 on both sides that are away from each other are provided with fixed connection notch grooves 31 adapted to the semi-hoop pieces 32, and the fixed connection notch grooves 31 are open. The two groups of semi-hoop pieces 32 are respectively fitted and clamped and pass through the fixed connection notch grooves 31 opened by the fixed connection clamps 30 on both sides. The ends of the two groups of semi-hoop pieces 32 away from the hinge ears 33 are fixedly connected by bolts, which are used to strengthen the connection between the stirring center shaft 16 and the motor shaft 27, so that the connection between the two is more secure. At the same time, when it is necessary to disassemble the mixing and stirring blade group, the bolts can be loosened and the semi-hoop pieces 32 can be opened to separate the stirring center shaft 16 from the motor shaft 27, so as to facilitate the maintenance and replacement of the mixing and stirring blade group.

[0030] The inner diameter of the ring formed by the two groups of half hoop members 32 is larger than the end diameter of the motor shaft 27 and smaller than the end diameter of the stirring central shaft 16 .

[0031] Working principle: Before spraying, the raw materials of the coating can be put into the mixing tank 3 through the feeding port at the top of the flange sealing disk 4, and the water pump 11 on the water tank 10 is driven synchronously, and the water in the water tank 10 is transmitted to the annular water storage cavity formed by the upper half ring 17 and the lower half ring 18 through the water hose 12, and sprayed out through the densely distributed multiple groups of water outlet nozzles 23 on the outer ring and inner ring of the lower half ring 18. When the water is transmitted to the water storage spray ring 13 through the water hose 12, pressure will be generated when the water is transmitted from top to bottom to the upper half ring 17, and it will fit the inclined outer walls of the two groups of sealing rings 22 in the upper half ring 17, thereby squeezing the sealing rings 22 on both sides to fit closely to the gap connecting the lower half ring 18 and the upper half ring 17, thereby matching. The sealing ring 22 is closed to improve the sealing performance of the connection between the upper half ring 17 and the lower half ring 18; then the servo motor 15 at the top of the flange sealing disk 4 is driven to rotate the motor shaft 27, and the transmission vertical clamping strip 28 in the stirring center shaft 16 is clamped with the transmission vertical clamping grooves 29 opened on both sides to rotate the stirring center shaft 16, thereby driving the mixing and stirring blade group to mix and stir the coating raw materials in the mixing tank 3 to form a coating liquid, and then the electric valve 1 at the connection between the coating delivery pipe 8 and the discharge port is opened, and the electric valve 2 at the connection between the sewage outlet and the sewage delivery pipe 9 is closed, and then the delivery pump 15 is driven to transfer the coating in the mixing tank 3 to the spray head through the coating delivery pipe 8 and the delivery hose to carry out the spraying operation; After the spraying operation is completed, the interior of the mixing tank 3 is automatically cleaned to prevent residual paint from contaminating subsequent paints and affecting the quality of subsequent spraying operations. At this time, the water pump 11 continues to be driven and the water in the water tank 10 is transferred to the water storage spray ring 13 through the water supply hose 12. The water supply principle is the same as that when mixing paint. The water stored in the annular water storage cavity formed by the upper semi-ring 17 and the lower semi-ring 18 will be sprayed out through the multiple groups of densely distributed water outlet nozzles 23 at the bottom of the lower semi-ring 18, and the two groups of electric cylinders 14 at the top of the flange sealing plate 4 are synchronously driven to drive the two groups of water storage spray rings 13 to move vertically from the top to the bottom and from the bottom to the top as a whole in the mixing tank 3. At this time, through the multiple groups of water outlet nozzles 23 on the outer ring and inner ring at the bottom of the lower semi-ring 18 In a relatively inclined shape, the inner wall of the mixing tank 3 can be flushed through the multiple groups of water outlet nozzles 23 of the outer ring, and the multiple groups of water outlet nozzles 23 of the inner ring can flush the mixing stirring blades. At this time, the micro motor 25 on the upper half ring 17 is synchronously driven to drive the gear 26 to rotate, and the lower half ring 18 in the upper half ring 17 is driven by the gear 26 to continuously rotate, thereby improving the flushing effect of the water storage spray ring 13 on the inside of the mixing tank 3, that is, improving the cleaning effect in the mixing tank 3. After that, the electric valve 1 at the connection between the paint delivery pipe 8 and the discharge port is closed, and the electric valve 2 at the connection between the sewage outlet and the sewage delivery pipe 9 is opened, and then the delivery pump 2 6 is driven to discharge the sewage generated by cleaning in the mixing tank 3 through the sewage delivery pipe 9 and the sewage pipe 7; Subsequently, all components inside the mixing tank 3 can be taken out by disassembling the flange sealing disk 4 at the top of the mixing tank 3, and the two groups of semi-hoop members 32 can be opened by removing the bolts on the two groups of semi-hoop members 32, so as to release the fixed connection between the stirring center shaft 16 and the motor shaft 27, and then the stirring center shaft 16 and the mixing stirring blade group can be removed from the motor shaft 27 as a whole by applying downward force, so as to facilitate the subsequent further cleaning of the mixing stirring blade group and the inside of the mixing tank 3 or the maintenance and replacement of the mixing stirring blade group.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paint mixing and spraying machine, comprising a mobile base (1), a mixing tank (3), a delivery pump (5) and a spray head, characterized in that: The movable base (1) is fixedly mounted with an elevated base (2), and a mixing tank (3) is fixedly mounted on the elevated base (2); a flange sealing disk (4) is connected to the mixing tank (3) via bolts, and a mixing and stirring blade group is provided inside the mixing tank (3); Also includes: A water storage spray ring (13) and a water delivery assembly communicated with the water storage spray ring (13), wherein the water storage assembly is arranged on one side of the mixing tank (3), the water storage spray ring (13) is arranged inside the mixing tank (3), and the water storage spray ring (13) cooperates with the electric cylinder (14) and the water delivery assembly to complete cleaning of the interior of the mixing tank (3) and water delivery during mixing; A servo motor (15) and a stirring center shaft (16) located at the center of the mixing and stirring blade group, wherein the servo motor (15) is fixedly mounted at the top center of the flange sealing disk (4) for driving the mixing and stirring blade group, and the servo motor (15) includes a motor shaft (27) integrally extending into the mixing tank (3), and the servo motor (15) is connected to the stirring center shaft (16) at the center of the mixing and stirring blade group via the motor shaft (27); A transmission active connection structure is provided between a stirring central shaft (16) and a motor shaft (27), and the transmission active connection structure can be used for transmission connection between the stirring central shaft (16) and the motor shaft (27) and for disassembling and separating the mixing stirring blade group after use.

2. The paint mixing and spraying machine according to claim 1, characterized in that: The mixing tank (3) is provided with a discharge port at the bottom end, and a coating material delivery pipe (8) is fixedly connected to the mixing tank (3) at the discharge port and an electric valve 1 is provided. A delivery pump 1 (5) is fixedly installed on one side of the mobile base (1) corresponding to the elevated base (2), and the input end of the delivery pump 1 (5) is connected to the coating material delivery pipe (8), and the output end of the delivery pump 1 (5) is fixedly connected to a delivery hose, and one end of the delivery hose is fixedly connected to a spray head. The mixing tank (3) is also provided with a sewage outlet at the bottom end, and a sewage delivery pipe (9) is fixedly connected to the sewage outlet at the bottom end of the mixing tank (3) and an electric valve 2 is fixedly provided. A delivery pump 2 (6) is fixedly installed on one side of the mobile base (1) corresponding to the delivery pump 1 (5), and the input end of the delivery pump 2 (6) is connected to the sewage delivery pipe (9), and the output end of the delivery pump 2 (6) is fixedly connected to a sewage discharge pipe (7).

3. The paint mixing and spraying machine according to claim 1, characterized in that: The top of the flange sealing disc (4) is fixedly provided with a feeding port for feeding paint raw materials, and a sealing cover is threadedly connected to the corresponding feeding port on the flange sealing disc (4). Two groups of electric cylinders (14) are fixedly installed on the top of the flange sealing disc (4), and the piston shafts of the two groups of electric cylinders (14) penetrate into the interior of the mixing tank (3) and are fixedly connected to the water storage spray ring (13).

4. The paint mixing and spraying machine according to claim 3, characterized in that: The water delivery assembly comprises a water tank (10), a water pump (11) and a water delivery hose (12); the water tank (10) is fixedly mounted on one side of the mobile base (1) corresponding to the mixing tank (3); the water pump (11) is fixedly mounted on the water tank (10); the input end of the water pump (11) is in communication with the water tank (10); the output end of the water pump (11) is fixedly connected to a water delivery hose (12) in a bent shape; a round through hole is formed at the top of the flange sealing disc (4) near the side; the water delivery hose (12) extends into the interior of the mixing tank (3) through the round through hole on the flange sealing disc (4) and is in communication with the water storage spray ring (13).

5. The paint mixing and spraying machine according to claim 4, characterized in that: The water storage spray ring (13) is composed of a split upper half ring (17) and a lower half ring (18). The two groups of electric cylinders (14) on the flange sealing plate (4) are respectively installed at positions close to the sides on both sides, and the upper half ring (17) is fixedly installed at the bottom end of the piston shaft of the two groups of electric cylinders (14) extending into the mixing tank (3). The inner diameter of the upper half ring (17) is larger than the maximum width of the mixing stirring blade group. A hollow cavity (19) with an opening at the bottom is opened inside the upper half ring (17), and the upper half ring (17) is rotatably connected to the lower half ring (18) through the hollow cavity (19) at the bottom. The upper half ring (17) and the lower half ring (18) are in a hollow shape that is connected to each other and are connected up and down to form an annular water storage cavity. The outer walls of the two sides of the lower half ring (18) are connected to the upper half ring (19). The inner walls on both sides of the ring (17) fit together, and the inner walls on both sides of the upper half ring (17) corresponding to the hollow cavity (19) near the top are provided with limit ring clamping grooves (20), the inner ring and the outer ring at the top of the lower half ring (18) are fixed with limit protruding rings (21) that are integrally fitted and clamped in the limit ring clamping grooves (20) on both sides, one end of the water delivery hose (12) extending into the mixing tank (3) is connected to the annular water storage cavity formed by the upper half ring (17) and the lower half ring (18), the bottom end of the lower half ring (18) is semicircular, and the outer ring and the inner ring corresponding to the bottom of the lower half ring (18) are provided with water outlet nozzles (23) densely distributed in an annular shape, and the water outlet nozzles (23) of the inner ring and the outer ring of the lower half ring (18) are inclined to spread outward from the bottom.

6. The paint mixing and spraying machine according to claim 5, characterized in that: Two groups of sealing rings (22) are fixedly mounted on the inner wall of the top end of the hollow cavity (19) of the upper half ring (17). The two groups of sealing rings (22) extend downward and fit tightly with the inner walls on both sides of the lower half ring (18), and the side walls of the sealing rings (22) on both sides that are close to each other are inclined with the bottom ends spreading outwards.

7. The paint mixing and spraying machine according to claim 5, characterized in that: A micro motor (25) is fixedly mounted on one side of the top outer wall of the upper half ring (17), and a gear (26) is fixedly connected to the output shaft of the micro motor (25); a gear groove (24) adapted to the gear (26) is provided on the top outer wall of the lower half ring (18) corresponding to the outer ring limiting protruding ring (21); a through groove communicating with a limiting ring clamping groove (20) close to the outer ring in the upper half ring (17) is provided directly below the top outer wall of the upper half ring (17) corresponding to the gear (26); and the bottom end of the gear (26) meshes with the gear groove (24) on the limiting protruding ring (21) on the outer ring of the lower half ring (18) through the through groove.

8. The paint mixing and spraying machine according to claim 1, characterized in that: The transmission active connection structure comprises a transmission vertical clamping strip (28) and a transmission vertical clamping groove (29); a sleeve tube groove (34) for fitting and sleeve-engaging the motor shaft (27) is provided at the top of the stirring central shaft (16); symmetrical transmission vertical clamping grooves (29) are provided on the outer walls on both sides of the motor shaft (27); and the bottom ends of the transmission vertical clamping grooves (29) corresponding to the motor shaft (27) are open; and transmission vertical clamping strips (28) fitting and sleeve-engaging in the transmission vertical clamping grooves (29) are fixedly provided on the inner walls on both sides of the stirring central shaft (16) corresponding to the sleeve tube groove (34).

9. The paint mixing and spraying machine according to claim 8, characterized in that: The transmission active connection structure further comprises a fixed connection clamp (30), a fixed connection notch groove (31) and a semi-hoop member (32), the top ends of the two groups of transmission vertical clamping strips (28) in the stirring center shaft (16) are fixedly provided with fixed connection clamps (30) protruding from the top end of the stirring center shaft (16), and the fixed connection clamps (30) are fitted and clamped in the top area of ​​the transmission vertical clamping groove (29), and the thickness of the fixed connection clamps (30) is greater than the thickness of the transmission vertical clamping strip (28), and the outer surface of the fixed connection clamps (30) is flush with the outer surfaces of both sides of the stirring center shaft (16) from top to bottom, and the motor shaft (27) corresponds to Two groups of upper and lower parallel hinge ears (33) are fixedly installed in the middle of the fixed connection clamps (30) on both sides, and the two groups of hinge ears (33) are connected with symmetrical semi-hoop pieces (32) on both sides. The fixed connection clamps (30) on both sides have outer walls of the side surfaces facing away from each other, and the fixed connection notch grooves (31) adapted to the semi-hoop pieces (32) are opened, and the fixed connection notch grooves (31) are opened. The two groups of semi-hoop pieces (32) are respectively fitted and clamped and pass through the fixed connection notch grooves (31) opened on the fixed connection clamps (30) on both sides, and the ends of the two groups of semi-hoop pieces (32) facing away from the hinge ears (33) are fixedly connected by bolts.

10. The paint mixing and spraying machine according to claim 9, characterized in that: The inner diameter of the ring formed by the two groups of semi-ring hoops (32) is larger than the end face diameter of the motor shaft (27) and smaller than the end face diameter of the stirring center shaft (16).

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