A paint mixing device for architectural water-based paints

Abstract

The application is suitable for the technical field of water-based paint preparation, and provides a coating stirring device for building water-based paint, which comprises a storage bucket, a motor, an outer ring paddle and an inner cavity paddle shaft, the motor is installed at the bottom of the storage bucket, the outer ring paddle is rotationally connected to the inner cavity of the storage bucket, the inner cavity paddle shaft is rotationally connected to the inside of the storage bucket and is in sliding fit with the output shaft of the motor, and the device further comprises a positioning frame located inside the storage bucket and a grinding assembly arranged inside the storage bucket and used for grinding and filtering undissolved powder lumps in the inside of the storage bucket; the beneficial effects of the embodiment of the application are that, in the rotating process of the first worm, the second worm will drive the impeller to rotate together through the second transmission gear shaft, the impeller will discharge the accumulated liquid in the cavity of the first support outward when rotating, the cavity bottom of the first support always has suction force, and the sand and stones that cannot be decomposed in the material will fall to the bottom of the inner cavity of the first support due to the suction force, so that the sand and stones are collected in the cavity of the first support.

Description

Technical Field

[0001] This invention belongs to the field of water-based paint preparation technology, and particularly relates to a paint mixing device for architectural water-based paint. Background Technology

[0002] In the field of building decoration and renovation, water-based paints have been widely used for coating surfaces such as walls and furniture due to their advantages such as environmental friendliness and convenient construction. The uniformity of stirring of water-based paints directly determines their brushing performance, such as the smoothness of the paint surface, adhesion, and scrub resistance. Therefore, paint stirring is a key pretreatment step before the production and construction of water-based paints.

[0003] Water-based paint raw materials often contain powder components. These powders tend to agglomerate and form undissolved clumps during stirring. The shearing force of a single blade is insufficient to fully disperse the clumps, resulting in residual particles in the paint after stirring. This can easily lead to defects such as rough paint surface and granulation after application, seriously affecting the coating quality.

[0004] During the mixing process, some paint raw materials tend to adhere to the inner wall of the storage tank and tend to accumulate in the tank wall area above the liquid level. Existing equipment lacks a targeted scraping structure, so these adhered raw materials cannot participate in the full mixing process, which not only wastes raw materials but also affects the accuracy of the overall paint ratio, thereby reducing the performance of the paint.

[0005] During high-speed mixing, paint is prone to producing a large amount of foam. If this foam is not treated in time, it will mix into the finished paint and form paint surface defects such as bubbles and pinholes after application. However, most existing mixing equipment is not equipped with a dedicated defoaming mechanism, and manual post-processing is usually required.

[0006] Existing equipment struggles to effectively separate the powder clumps that settle at the bottom of the storage tank during the mixing process, as well as any sand or gravel impurities that may be mixed in. The residual impurities further exacerbate paint quality issues. Summary of the Invention

[0007] The purpose of this invention is to provide a coating mixing device for water-based architectural paints, aiming to solve the technical problems existing in the prior art mentioned in the background.

[0008] This invention is implemented as follows: a paint mixing device for water-based architectural paint includes a storage tank, a motor, an outer ring impeller, and an inner cavity impeller shaft. The motor is installed at the bottom of the storage tank, the outer ring impeller is rotatably connected to the inner cavity of the storage tank, and the inner cavity impeller shaft is rotatably connected to the inside of the storage tank and slides with the motor output shaft. The device also includes:

[0009] Positioning frame located inside the storage bin;

[0010] A grinding assembly, disposed inside a storage hopper, is used to grind and filter undissolved powder clumps inside the storage hopper. The grinding assembly includes a first bracket installed at the bottom of an outer ring blade. A grinding plate is slidably connected inside the first bracket. A positioning pin is fixedly connected to the side wall of the grinding plate. The positioning pin slides in contact with the surface of the first bracket. A side baffle is fixedly connected to the side wall of the grinding plate. A slide block is slidably connected to the bottom of the positioning bracket. A second bracket is rotatably connected to the bottom of the slide block. A limit frame is fixedly connected to the surface of the second bracket.

[0011] The scraping component is installed inside the storage tank and is used to scrape the raw materials located on the side wall of the storage tank and above the paint level during stirring.

[0012] The defoaming component is installed inside the storage tank and is used to treat the foam on the surface of the paint inside the storage tank.

[0013] The flow guide component, located inside the storage tank, is used to push the foam adhering to the inner wall of the storage tank toward the center of the inner cavity of the storage tank.

[0014] As a preferred technical solution of the present invention: the side wall of the limiting frame is provided with a bend groove, the positioning pin is slidably engaged with the bend groove of the limiting frame, the first bracket is provided with a horizontal groove, the positioning pin is slidably engaged with the horizontal groove on the first bracket, and the width of the side baffle is equal to the distance between the first bracket and the second bracket.

[0015] As another preferred technical solution of the present invention: a first worm gear is rotatably connected to the side wall of the first bracket, a sliding plate that slides with the first worm gear is fixedly connected inside the second bracket, a first gear plate is fixedly connected to the bottom of the first worm gear, a sleeve is fixedly connected to the bottom of the first bracket, an auger is rotatably connected inside the sleeve, a first transmission gear shaft is driven between the first gear plate and the auger, a second worm gear is fixedly connected to the bottom of the first gear plate, an impeller is rotatably connected to the inner cavity of the first bracket, and a second transmission gear shaft is driven between the impeller and the second worm gear.

[0016] As another preferred technical solution of the present invention: the top opening of the sleeve is located above the first bracket, the slide plate is C-shaped and close to the first worm, and the first worm only slides in one direction with the slide plate.

[0017] As another preferred technical solution of the present invention: a round shaft is fixedly connected to the side wall of the positioning frame, an annular groove that slides with the round shaft is opened on the inner wall of the storage barrel, a first gear is fixedly connected to the end side of the round shaft, and toothed plates that mesh with the first gear are uniformly fixedly connected inside the annular groove.

[0018] As another preferred technical solution of the present invention: the scraping assembly includes a sliding arm slidably connected inside the positioning frame, a first spring fixedly connected between the sliding arm and the inner wall of the positioning frame, a scraper rotatably connected to the side of the sliding arm near the inner wall of the storage tank, liquid storage tanks symmetrically provided on the scraper, a drainage tube fixedly connected between the liquid storage tank and the inner cavity of the sliding arm, and a cotton strip fixedly connected to the end of the sliding arm, the end of the cotton strip away from the sliding arm being located below the positioning frame.

[0019] As another preferred technical solution of the present invention: the defoaming component includes a second geared disc fixedly connected to the top of the inner cavity propeller shaft, a U-shaped collar rotatably connected to the second geared disc, a first collar rotatably connected to the middle of the positioning frame, a gear ring fixedly connected to the bottom of the inner cavity of the first collar, the second geared disc meshing with the gear ring, a second gear rotatably connected to the middle of the positioning frame, a filter plate symmetrically slidably connected to the positioning frame, the filter plate and the U-shaped collar both meshing with the second gear, and an elastic turntable fixedly connected to the bottom of the inner cavity propeller shaft, the bottom of the elastic turntable rotatably connected to the outer ring propeller blade.

[0020] As another preferred technical solution of the present invention: the diversion assembly includes a circular tube slidably connected to the bottom of the positioning frame, a horizontal plate is fixedly connected to one end of the circular tube near the inner wall of the storage tank, a folding plate is symmetrically rotatably connected to the surface of the horizontal plate, a guide plate is fixedly connected to the outer wall of the inner cavity paddle shaft, and a second spring is fixedly connected between the circular tube and the positioning frame.

[0021] The beneficial effects of the embodiments of the present invention are as follows:

[0022] During the rotation of the first worm, the second worm will drive the impeller to rotate together through the second transmission gear shaft. When the impeller rotates, it will discharge the liquid accumulated in the cavity of the first support outward, so that the bottom of the cavity of the first support always has suction. The sand and gravel that cannot be decomposed in the lumps will fall to the bottom of the cavity of the first support due to the suction, so that the sand and gravel are collected in the cavity of the first support.

[0023] The paint passing through the gap between the first and second supports will also be ground by the grinding plate and the second support, so that it can always grind the particles in the paint during the stirring process, ensuring that the water-based paint is smooth after stirring and that the paint surface will not be affected by the residue of impurities when applying it.

[0024] As the positioning frame rotates, the scraper scrapes the inner wall of the storage bucket. The cotton strip will drain the water through the liquid storage tank to the inner wall of the storage bucket, so that the raw materials that are not stirred and are attached to the inner wall of the storage bucket can be scraped into the paint in the inner cavity of the storage bucket. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the overall structure provided in an embodiment of the present invention;

[0026] Figure 2 This is a cross-sectional view of the internal structure provided in an embodiment of the present invention;

[0027] Figure 3 This is a cross-sectional schematic diagram of the outer ring blade structure provided in an embodiment of the present invention;

[0028] Figure 4 This is an exploded view of the grinding assembly structure provided in an embodiment of the present invention;

[0029] Figure 5 This is a partial schematic diagram of the grinding assembly structure provided in an embodiment of the present invention;

[0030] Figure 6 This is an exploded view of the impeller structure provided in an embodiment of the present invention;

[0031] Figure 7 This is a cross-sectional view of the scraping component structure provided in an embodiment of the present invention;

[0032] Figure 8 Provided for embodiments of the present invention Figure 7 Enlarged schematic diagram of the structure at point A in the middle;

[0033] Figure 9 This is a cross-sectional schematic diagram of the elastic turntable structure provided in an embodiment of the present invention;

[0034] Figure 10 This is a partial explosion diagram of the defoaming component structure provided in an embodiment of the present invention;

[0035] Figure 11 This is an exploded view of the internal cavity propeller shaft structure provided in an embodiment of the present invention.

[0036] In the picture:

[0037] 1. Storage hopper; 2. Motor; 3. Outer ring blades; 4. Inner cavity blade shaft; 5. Positioning frame; 6. Grinding assembly; 7. Scraping assembly; 8. Defoaming assembly; 9. Drainage assembly;

[0038] 51. Circular shaft; 52. First gear; 53. Annular groove; 54. Gear plate;

[0039] 61. First bracket; 62. Grinding plate; 63. Positioning pin; 64. Side baffle; 65. Slide; 66. Second bracket; 67. Limiting frame; 68. First worm gear; 69. Slide plate; 610. First gear plate; 611. First transmission gear shaft; 612. Sleeve; 613. Screwdriver; 614. Second worm gear; 615. Second transmission gear shaft; 616. Impeller;

[0040] 71. Sliding arm; 72. First spring; 73. Scraper; 74. Liquid reservoir; 75. Drainage tube; 76. Cotton swab;

[0041] 81. Second gear disc; 82. First collar; 83. Gear ring; 84. U-shaped collar; 85. Filter plate; 86. Second gear; 87. Flexible turntable;

[0042] 91. Round tube; 92. Horizontal plate; 93. Folding plate; 94. Guide plate; 95. Second spring. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0044] It is understood that the terms “first,” “second,” etc., used in this application may be used herein to describe various elements, but unless otherwise stated, these elements are not limited by these terms. These terms are used only to distinguish one element from another.

[0045] like Figures 1 to 6 As shown, in one embodiment, a paint mixing device for architectural water-based paint is proposed, including a storage tank 1, a motor 2, an outer ring blade 3, and an inner cavity blade shaft 4. The motor 2 is installed at the bottom of the storage tank 1, the outer ring blade 3 is rotatably connected to the inner cavity of the storage tank 1, and the inner cavity blade shaft 4 is rotatably connected to the inside of the storage tank 1 and slides with the output shaft of the motor 2. The device also includes:

[0046] Positioning frame 5 located inside storage bin 1;

[0047] Grinding assembly 6 is installed inside storage tank 1 and is used to grind and filter undissolved powder lumps inside storage tank 1. Grinding assembly 6 includes a first bracket 61 installed at the bottom of outer ring blade 3. Grinding plate 62 is slidably connected inside the first bracket 61. Positioning pin 63 is fixedly connected to the side wall of grinding plate 62. Positioning pin 63 slides with the surface of first bracket 61. Side baffle 64 is fixedly connected to the side wall of grinding plate 62. Sliding seat 65 is slidably connected to the bottom of positioning frame 5. Second bracket 66 is rotatably connected to the bottom of sliding seat 65. Limit frame 67 is fixedly connected to the surface of second bracket 66.

[0048] The scraping component 7 is installed inside the storage tank 1 and is used to scrape the raw material located on the side wall of the storage tank 1 and above the paint level during stirring.

[0049] The defoaming component 8 is installed inside the storage tank 1 and is used to treat the foam on the surface of the paint inside the storage tank 1.

[0050] The flow guiding component 9 is installed inside the storage tank 1 and is used to push the foam adhering to the inner wall of the storage tank 1 toward the center of the inner cavity of the storage tank 1.

[0051] In practical application, during the mixing and stirring of the paint inside the storage tank 1, the inner cavity paddle shaft 4 drives the positioning frame 5 to rotate together. During the rotation, the positioning frame 5 swings back and forth inside the storage tank 1. During the swing, the positioning frame 5 drives the second support 66 and the first support 61 to slide back and forth through the slide block 65. During the back and forth sliding of the second support 66 and the first support 61, the slide plate 69 slides on the surface of the first worm 68, and keeps the first worm 68 in a state of continuous rotation. When the first worm 68 rotates, the auger 613 is kept rotating through the first gear plate 610 and the first transmission gear shaft 611. When the auger 613 rotates, it sucks the clumps deposited at the bottom of the storage tank 1 into the sleeve 612 and pulls them upward under the push of the auger 613, and finally pours them onto the top of the first support 61. With the friction of the grinding plate 62 and the second support 66 on the deposited clumps, the clumps are crushed and dissolved in the paint liquid under friction.

[0052] During the downward movement of the limiting frame 67, the angled groove on the limiting frame 67 will adjust the position of the grinding plate 62. After the grinding plate 62 and the second support 66 rub against each other for a certain distance, the grinding plate 62 will retract into the first support 61, thereby opening the inner cavity of the first support 61 outward. At this time, the side baffle 64 will block the gap between the first support 61 and the second support 66, thereby reducing the liquid flow rate between the first support 61 and the second support 66. After the grinding plate 62 retracts, it will create a distance with the second support 66. At this time, the sand and gravel that cannot be decomposed by friction will fall downward inside the cavity of the first support 61.

[0053] During the rotation of the first worm 68, the second worm 614 drives the impeller 616 to rotate together through the second transmission gear shaft 615. When the impeller 616 rotates, it will discharge the accumulated liquid in the cavity of the first support 61 outward, so that the bottom of the cavity of the first support 61 always has suction. The sand and gravel that cannot be decomposed in the agglomerate will fall to the bottom of the cavity of the first support 61 due to the suction, so that the sand and gravel are collected in the cavity of the first support 61.

[0054] During the rotation of the outer ring blades 3 and the inner cavity shaft 4, the grinding assembly 6 will rotate together inside the storage tank 1. Therefore, paint will pass through the gap between the first support 61 and the second support 66. The paint passing through the gap between the first support 61 and the second support 66 will also be ground by the grinding plate 62 and the second support 66, so that it can always grind the particles in the paint liquid during the stirring process, ensuring that the water-based paint after stirring is smooth and that the paint surface will not be affected by the residue of impurities during the application.

[0055] like Figure 4 As shown, in a preferred embodiment of the present invention, the side wall of the limiting frame 67 is provided with a bend groove, the positioning pin 63 is slidably engaged with the bend groove of the limiting frame 67, the first bracket 61 is provided with a horizontal groove, the positioning pin 63 is slidably engaged with the horizontal groove on the first bracket 61, and the width of the side baffle 64 is equal to the distance between the first bracket 61 and the second bracket 66.

[0056] like Figures 4 to 6 As shown, in another preferred embodiment of the present invention, a first worm gear 68 is rotatably connected to the side wall of the first bracket 61, a slide plate 69 that slides with the first worm gear 68 is fixedly connected inside the second bracket 66, a first gear plate 610 is fixedly connected to the bottom of the first worm gear 68, a sleeve 612 is fixedly connected to the bottom of the first bracket 61, an auger 613 is rotatably connected inside the sleeve 612, a first transmission gear shaft 611 is drivingly connected between the first gear plate 610 and the auger 613, a second worm gear 614 is fixedly connected to the bottom of the first gear plate 610, an impeller 616 is rotatably connected to the inner cavity of the first bracket 61, and a second transmission gear shaft 615 is drivingly connected between the impeller 616 and the second worm gear 614.

[0057] like Figure 5 As shown, in another preferred embodiment of the present invention, the top opening of the sleeve 612 is located above the first bracket 61, and the slide plate 69 is C-shaped and close to the first worm gear 68. The first worm gear 68 only slides in one direction with the slide plate 69.

[0058] In practical applications, the embodiments of the present invention are as follows:

[0059] When the first worm 68 slides vertically upward: the first worm 68 located on the upper side will slide and engage with the slide plate 69 located on the upper side, causing the first worm 68 to rotate as a whole. At this time, the first worm 68 located on the lower side will squeeze with the slide plate 69 located on the lower side. After being squeezed, the slide plate 69 located on the lower side will contract and will no longer maintain a sliding engagement with the first worm 68.

[0060] When the first worm 68 slides vertically downwards: the first worm 68 located on the upper side will squeeze the upper slide plate 69. After being squeezed, the upper slide plate 69 will contract and no longer maintain a sliding engagement with the first worm 68. The first worm 68 located on the lower side will slide into engagement with the lower slide plate 69, causing the first worm 68 to rotate as a whole.

[0061] This design ensures that the rotation direction of the first worm gear 68 remains constant during the vertical reciprocating sliding of the second support 66.

[0062] like Figure 2 and Figure 3As shown, in another preferred embodiment of the present invention, a round shaft 51 is fixedly connected to the side wall of the positioning frame 5, and an annular groove 53 that slides with the round shaft 51 is opened on the inner wall of the storage barrel 1. A first gear 52 is fixedly connected to the end side of the round shaft 51, and toothed plates 54 that mesh with the first gear 52 are uniformly fixedly connected inside the annular groove 53.

[0063] In practical application, during the rotation of the positioning frame 5, the circular shaft 51 will slide inside the annular groove 53, the first gear 52 will intermittently mesh with the toothed plate 54, and the positioning frame 5 will rotate after the first gear 52 meshes with the toothed plate 54. When the first gear 52 disengages from the toothed plate 54, it will return to the center, so that the positioning frame 5 is in a swinging state during the rotation.

[0064] like Figure 7 and Figure 8 As shown, in another preferred embodiment of the present invention, the scraping assembly 7 includes a sliding arm 71 slidably connected inside the positioning frame 5. A first spring 72 is fixedly connected between the sliding arm 71 and the inner wall of the positioning frame 5. A scraper 73 is rotatably connected to the side of the sliding arm 71 near the inner wall of the storage tank 1. A liquid storage tank 74 is symmetrically provided on the scraper 73. A drainage pipe 75 is fixedly connected between the liquid storage tank 74 and the inner cavity of the sliding arm 71. A cotton strip 76 is fixedly connected to the end of the sliding arm 71. The end of the cotton strip 76 away from the sliding arm 71 is located below the positioning frame 5.

[0065] In practical application, during the rotation of the positioning frame 5, the sliding arm 71 will slide outward from inside the positioning frame 5 due to centrifugal force. After the sliding arm 71 slides out, the scraper 73 is no longer limited by the positioning frame 5 and is in a rotatable state. When the sliding arm 71 slides until the scraper 73 is in contact with the side wall of the storage tank 1, the scraper 73 scrapes the inner wall of the storage tank 1 during the rotation of the positioning frame 5. The cotton strip 76 will drain the water through the liquid storage tank 74 to the inner wall of the storage tank 1, so that the raw materials that are not stirred and adhered to the inner wall of the storage tank 1 can be scraped into the paint in the inner cavity of the storage tank 1.

[0066] like Figure 2 , Figure 3 and Figures 9 to 11 As shown, in another preferred embodiment of the present invention, the defoaming assembly 8 includes a second geared disc 81 fixedly connected to the top of the inner cavity propeller shaft 4, a U-shaped collar 84 rotatably connected to the second geared disc 81, a first collar 82 rotatably connected to the middle of the positioning frame 5, a gear ring 83 fixedly connected to the bottom of the inner cavity of the first collar 82, the second geared disc 81 meshing with the gear ring 83, a second gear 86 rotatably connected to the middle of the positioning frame 5, a filter plate 85 symmetrically slidably connected to the positioning frame 5, both the filter plate 85 and the U-shaped collar 84 meshing with the second gear 86, and an elastic turntable 87 fixedly connected to the bottom of the inner cavity propeller shaft 4, the bottom of the elastic turntable 87 rotatably connected to the outer ring propeller blade 3.

[0067] In practical application of this invention, after the paint is stirred inside the storage tank 1, a large amount of foam will float on the surface of the paint. At this time, the operator opens the lid, the elastic turntable 87 extends and pushes the inner cavity paddle shaft 4 to slide upward. After the inner cavity paddle shaft 4 slides upward, it will drive the U-shaped collar 84 to slide upward together through the second gear plate 81. After the U-shaped collar 84 slides upward, it will mesh with the second gear 86 and make the second gear 86 rotate. At this time, the filter plate 85 meshing with the second gear 86 will slide downward inside the positioning frame 5, so that the filter plate 85 slides down and is inserted below the liquid level of the paint.

[0068] After the inner cavity propeller shaft 4 slides upward, the second toothed disc 81 no longer meshes with the toothed ring 83. Therefore, when the inner cavity propeller shaft 4 rotates, it will no longer drive the outer ring propeller blade 3 to rotate together. At this time, the rotation of the inner cavity propeller shaft 4 alone will generate a vortex in the center of the storage tank 1, causing the foam floating on the surface of the paint liquid to flow towards the center of the storage tank 1. At this time, the foam can be cleaned by the shielding of the filter plate 85, so that the paint is pure after stirring.

[0069] like Figure 3 As shown, in another preferred embodiment of the present invention, the diversion component 9 includes a round tube 91 slidably connected to the bottom of the positioning frame 5. A horizontal plate 92 is fixedly connected to one end of the round tube 91 near the inner wall of the storage tank 1. A folding plate 93 is symmetrically rotatably connected to the surface of the horizontal plate 92. A guide plate 94 is fixedly connected to the outer wall of the inner cavity paddle shaft 4. A second spring 95 is fixedly connected between the round tube 91 and the positioning frame 5.

[0070] In practical application, after the inner cavity paddle shaft 4 moves upward, the guide plate 94 will squeeze the round tube 91, causing the round tube 91 to slide towards the inner wall of the storage tank 1 at the bottom of the positioning frame 5. At this time, because the positioning frame 5 is stationary, when the inner cavity paddle shaft 4 rotates, the side of the guide plate 94 will push the round tube 91 back and forth, causing the round tube 91 to slide back and forth at the bottom of the positioning frame 5. When the folding plate 93 slides towards the inner wall of the storage tank 1, the folding plate 93 is in a contracted state on the horizontal plate 92. When the horizontal plate 92 slides away from the inner wall of the storage tank 1, the folding plate 93 will extend on the horizontal plate 92, thereby increasing the contact area with the paint liquid. Under the action of the folding plate 93, the paint liquid near the inner wall of the storage tank 1 is transferred towards the side near the inner cavity paddle shaft 4, so that the paint liquid inside the storage tank 1 can be efficiently processed by the filter plate 85.

[0071] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0072] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A paint mixing device for water-based architectural paint, comprising a storage tank (1), a motor (2), outer ring blades (3), and an inner cavity blade shaft (4), wherein the motor (2) is installed at the bottom of the storage tank (1), the outer ring blades (3) are rotatably connected to the inner cavity of the storage tank (1), and the inner cavity blade shaft (4) is rotatably connected inside the storage tank (1) and slides in cooperation with the output shaft of the motor (2), characterized in that, Also includes: Positioning frame (5) located inside the storage bin (1); The grinding assembly (6) is set inside the storage tank (1) and is used to grind and filter the undissolved powder clumps inside the storage tank (1). The grinding assembly (6) includes a first bracket (61) installed at the bottom of the outer ring blade (3). A grinding plate (62) is slidably connected inside the first bracket (61). A positioning pin (63) is fixedly connected to the side wall of the grinding plate (62). The positioning pin (63) slides with the surface of the first bracket (61). A side baffle (64) is fixedly connected to the side wall of the grinding plate (62). A slide seat (65) is slidably connected to the bottom of the positioning frame (5). A second bracket (66) is rotatably connected to the bottom of the slide seat (65). A limit frame (67) is fixedly connected to the surface of the second bracket (66). The scraping assembly (7) is installed inside the storage tank (1) and is used to scrape the raw materials located on the side wall of the storage tank (1) and above the paint level during stirring. The defoaming component (8) is installed inside the storage tank (1) and is used to treat the foam on the surface of the paint inside the storage tank (1). The drainage component (9) is set inside the storage tank (1) to push the foam attached to the inner wall of the storage tank (1) towards the center of the inner cavity of the storage tank (1); The limiting frame (67) has a bend groove on its side wall, and the positioning pin (63) slides in cooperation with the bend groove of the limiting frame (67). The first bracket (61) has a horizontal groove, and the positioning pin (63) slides in cooperation with the horizontal groove on the first bracket (61). The width of the side baffle (64) is equal to the distance between the first bracket (61) and the second bracket (66). The first bracket (61) is rotatably connected to the side wall of the first worm (68), and the second bracket (66) is fixedly connected to the inside of the slide plate (69) which slides with the first worm (68). The bottom of the first worm (68) is fixedly connected to the first gear plate (610), and the bottom of the first bracket (61) is fixedly connected to the sleeve (612). The sleeve (612) is rotatably connected to the inside of the sleeve (612). The first gear plate (610) and the auger (613) are connected by a first transmission gear shaft (611). The bottom of the first gear plate (610) is fixedly connected to the second worm (614). The inner cavity of the first bracket (61) is rotatably connected to the impeller (616), and the impeller (616) and the second worm (614) are connected by a second transmission gear shaft (615). The positioning frame (5) is fixedly connected to a round shaft (51) on its side wall. The inner wall of the storage bucket (1) is provided with an annular groove (53) that slides with the round shaft (51). The end of the round shaft (51) is fixedly connected to a first gear (52). The annular groove (53) is uniformly fixedly connected to a toothed plate (54) that meshes with the first gear (52). During the rotation of the positioning frame (5), the first gear (52) meshes with the toothed plate (54) intermittently, causing the positioning frame (5) to swing back and forth during the rotation.

2. The coating mixing equipment for water-based architectural paint according to claim 1, characterized in that, The top opening of the sleeve (612) is located above the first bracket (61), and the slide plate (69) is C-shaped and close to the first worm (68). The first worm (68) only slides in one direction with the slide plate (69).

3. The coating mixing equipment for water-based architectural paint according to claim 1, characterized in that, The scraping assembly (7) includes a sliding arm (71) slidably connected inside the positioning frame (5). A first spring (72) is fixedly connected between the sliding arm (71) and the inner wall of the positioning frame (5). A scraper (73) is rotatably connected to the side of the sliding arm (71) near the inner wall of the storage bucket (1). A liquid storage tank (74) is symmetrically opened on the scraper (73). A drainage tube (75) is fixedly connected between the liquid storage tank (74) and the inner cavity of the sliding arm (71). A cotton strip (76) is fixedly connected to the end of the sliding arm (71). The end of the cotton strip (76) away from the sliding arm (71) is located below the positioning frame (5).

4. The paint mixing equipment for water-based architectural paint according to claim 1, characterized in that, The defoaming assembly (8) includes a second gear disk (81) fixedly connected to the top of the inner cavity propeller shaft (4), a U-shaped collar (84) rotatably connected to the second gear disk (81), a first collar (82) rotatably connected to the middle of the positioning frame (5), a gear ring (83) fixedly connected to the bottom of the inner cavity of the first collar (82), the second gear disk (81) meshing with the gear ring (83), a second gear (86) rotatably connected to the middle of the positioning frame (5), a filter plate (85) symmetrically slidably connected to the positioning frame (5), both the filter plate (85) and the U-shaped collar (84) meshing with the second gear (86), an elastic turntable (87) fixedly connected to the bottom of the inner cavity propeller shaft (4), and the bottom of the elastic turntable (87) rotatably connected to... On the outer ring blade (3); after the paint is stirred inside the storage tank (1), a large amount of foam will float on the surface of the paint liquid. At this time, the staff opens the cover, the elastic turntable (87) extends and pushes the inner cavity blade (4) to slide upward, and drives the U-shaped collar (84) to slide upward together through the second gear (81). After the U-shaped collar (84) slides upward, it meshes with the second gear (86) and makes the second gear (86) rotate. At this time, the filter plate (85) meshing with the second gear (86) will slide downward inside the positioning frame (5), so that the filter plate (85) slides down and inserts below the liquid level of the paint liquid. After the inner cavity blade (4) slides upward, the second gear (81) no longer meshes with the gear ring (83), so the inner cavity blade (4) no longer drives the outer ring blade (3) to rotate together when it rotates.

5. A paint mixing device for water-based architectural paint according to claim 4, characterized in that, The drainage assembly (9) includes a round tube (91) slidably connected to the bottom of the positioning frame (5). A horizontal plate (92) is fixedly connected to one end of the round tube (91) near the inner wall of the storage bucket (1). A folding plate (93) is symmetrically rotatably connected to the surface of the horizontal plate (92). A guide plate (94) is fixedly connected to the outer wall of the inner cavity propeller shaft (4). A second spring (95) is fixedly connected between the round tube (91) and the positioning frame (5). After the inner cavity propeller shaft (4) moves upward, the guide plate (94) will squeeze the round tube (91). When the inner cavity propeller shaft (4) rotates, the side of the guide plate (94) will push the round tube (91) back and forth, causing the round tube (91) to slide back and forth at the bottom of the positioning frame (5).

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