A paint stirring device and method

Abstract

The present application relates to the technical field of stirring, and specifically discloses a paint stirring device and a stirring method, which comprise a lifting part, a dispersing part, a pushing part and a blocking part, the dispersing part is rotationally connected with a stirring rod, a plurality of liquid outlets are arranged on the dispersing part, liquid paint can be delivered to different depths of the solvent, the dispersing part is inserted with the lifting part, a plurality of pushing parts are arranged, the plurality of pushing parts are all slidingly connected on the dispersing part, the lifting part can be moved downward to the surface of the solvent and drive the pushing part to push the pushing parts one by one from top to bottom to block the liquid outlets leaking out of the surface of the solvent; the paint stirring device and the stirring method, the lifting part drives the pushing part to move downward and sequentially pushes the blocking part from top to bottom, thereby blocking the liquid outlets leaking out of the surface of the solvent, the liquid outlets on the dispersing part extending into the solvent deliver the liquid paint to different depths of the solvent uniformly, and the mixing efficiency of the solvent and the liquid paint is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of stirring technology, in particular to a paint stirring device and stirring method. BACKGROUND

[0002] Paint material paint refers to special paint used on various painting media, including oil painting, acrylic painting, watercolor painting, etc. Such paint not only has excellent color expression, but also provides good adhesion and durability. According to different use media and effects, paint material paint can be divided into various types, such as oil paint, acrylic paint, watercolor paint, gouache, marker paint, etc. Paint material paint is widely used in traditional painting and modern artistic creation. Artists express their creativity and emotions by using different types of paint. During the production process, a stirring device is needed to mix liquid paint and solvent thoroughly to achieve uniform consistency.

[0003] A paint stirring device is disclosed in Chinese patent document CN115301097B, which includes an outer stirring barrel with a feed inlet on the upper surface. A spiral power rod that can rotate is arranged at the shaft center inside the outer stirring barrel, and the outer periphery of the spiral power rod is covered with an inner stirring barrel. The lower surface of the outer stirring barrel is provided with a power component for driving the spiral power rod and the inner stirring barrel to rotate. The middle part of the outer periphery of the inner stirring barrel is fixedly connected with a sealing cylinder that is in communication with the inside of the inner stirring barrel. Through the arrangement of the blocking barrel, the fixed cylinder and the shearing cylinder, the paint can flow into the outer stirring barrel from the flow guide port when it rises to the top of the inner stirring barrel, so as to keep the paint in the outer stirring barrel in a flowing state at all times. When the shearing cylinder rotates, it can shear the paint and also break up the lumps in the paint, thus greatly improving the stirring effect of the paint.

[0004] However, the above-mentioned patent still has the following deficiencies: when liquid paint is added to the solvent in a pouring manner, the liquid paint needs to be stirred for a period of time before it can be dispersed to all parts of the solvent, which can easily reduce the mixing efficiency of the liquid paint and the solvent. SUMMARY

[0005] The present application provides a paint stirring device and stirring method, which aims to solve the problem that in related technology, when liquid paint is added to the solvent in a pouring manner, the liquid paint needs to be stirred for a period of time before it can be dispersed to all parts of the solvent, which can easily reduce the mixing efficiency of the liquid paint and the solvent.

[0006] The paint stirring device of the present application comprises a stirring rod, stirring blades and a holding barrel, the stirring blades are connected to the stirring rod, the stirring rod can extend into the holding barrel, and the stirring rod can also drive the stirring blades to stir the solvent in the holding barrel, further comprising a dispersion mechanism, the dispersion mechanism comprises a lifting part, a dispersion part, a pushing part and a blocking part, the dispersion part is rotatably connected to the stirring rod, a plurality of liquid outlets are provided on the dispersion part, which can deliver liquid paint to different depths of the solvent, the dispersion part is inserted with the lifting part, the lifting part can limit the dispersion part from rotating, the pushing part is provided with a plurality of pushing parts, the plurality of pushing parts are slidably connected to the dispersion part and correspond to the plurality of liquid outlets one by one, the pushing part is connected to the lifting part, the lifting part can be lowered to the surface of the solvent and drive the pushing part to push the pushing part one by one from top to bottom to block the liquid outlet leaking out of the surface of the solvent.

[0007] Beneficial effects: the lifting part drives the pushing part to move downward and sequentially pushes the blocking part from top to bottom, thereby blocking the liquid outlet leaking out of the surface of the solvent, the liquid paint is uniformly delivered to different depths of the solvent through the liquid outlet extending into the solvent on the dispersion part, and the mixing efficiency of the solvent and the liquid paint is improved.

[0008] Preferably, an elastic part one is connected between the blocking part and the dispersion part for resetting the blocking part.

[0009] Preferably, the bottom of the pushing part is provided with an inclined surface. Its effect is that the inclined surface on the pushing part facilitates the movement of the blocking part.

[0010] Preferably, a liquid delivery pipe is connected to the dispersion part and connected with external delivery equipment.

[0011] Preferably, an elastic part two is connected in the liquid outlet, a sealing part is connected to the elastic part two, and the sealing part can seal the liquid outlet. Its effect is that the sealing part can seal the liquid outlet to fill the dispersion part with liquid paint in advance, thereby avoiding the air remaining in the dispersion part from entering the solvent.

[0012] Preferably, further comprising a separation mechanism, the separation mechanism comprises a third driving source, an air bag one and an air bag two, a mounting groove one is provided on the top of the lifting part, air channels one and two are provided in the lifting part and are in communication, the air channel two is in communication with the mounting groove one, the dispersion part and the pushing part are arranged in the mounting groove one, the third driving source is connected to the top of the lifting part, the air bag one is connected to the outer circumferential surface of the lifting part, and the air bag two is connected to the air channel two. Its effect is that the lifting part, the air bag one and the air bag two can separate the liquid below the lifting part from the air above the lifting part, thereby reducing the air bubbles generated when the solvent is stirred.

[0013] Preferably, the top of the lifting part is provided with a mounting groove two, and the separation mechanism further comprises an air bag three connected to the inner lower end of the mounting groove two.

[0014] The present application also provides a stirring method of the paint stirring device, which comprises the following steps:

[0015] S1: start the downward movement of the stirring rod, and drive the stirring blade and the dispersion part to extend into the containing barrel;

[0016] S2: start the downward movement of the lifting part to the upper surface of the solvent, and drive the pushing part to sequentially push the blocking part from top to bottom to block the liquid outlet leaking out of the surface of the solvent;

[0017] S3: start the rotation of the stirring rod to stir the solvent, and start the dispersion part to deliver the liquid paint to different depths of the solvent through the liquid outlet extending into the solvent.

[0018] Beneficial effects: the liquid paint is uniformly delivered to different depths of the solvent through the liquid outlet extending into the solvent on the dispersion part, thereby improving the mixing efficiency of the solvent and the liquid paint.

[0019] The present application has the following beneficial effects:

[0020] 1. After the dispersion part extends into the solvent in the containing barrel, the lifting part drives the pushing part to move downward, and sequentially pushes the blocking part from top to bottom to block the liquid outlet leaking out of the surface of the solvent. At this time, the liquid paint is uniformly delivered to different depths of the solvent through the liquid outlet extending into the solvent on the dispersion part, thereby improving the mixing efficiency of the solvent and the liquid paint.

[0021] 2. The sealing element can block the liquid outlet on the dispersion part when the liquid paint fills the dispersion part in advance, so as to avoid the air remaining in the dispersion part, thereby avoiding affecting the mixing effect of the solvent and the liquid paint.

[0022] 3. The driving source three delivers air into the air channel one to make the air bag one and the air bag two expand. The outer periphery of the expanded air bag one contacts the inner wall of the containing barrel, and the expanded air bag two fills into the mounting groove one to seal the mounting groove one. At this time, under the action of the lifting part, the air bag one, the air bag two and the air bag three, the air above the lifting part can be separated from the solvent below the lifting part, thereby reducing the air bubbles generated when the stirring mechanism stirs the solvent, and further enhancing the mixing effect of the solvent and the liquid paint.

[0023] 4. When the liquid pigment is delivered into the solvent, the liquid under the lifting part pushes the air bag 3 upward, so that the air bag 3 is inflated upward, thereby leaving enough space for the addition of the liquid pigment, so as to avoid the increase of the pressure in the solvent and the liquid pigment, and to affect the mixing effect and efficiency of the solvent and the liquid pigment. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic diagram of the three-dimensional structure of the present application.

[0025] Figure 2 is another schematic diagram of the three-dimensional structure of the present application.

[0026] Figure 3 is a schematic diagram of the three-dimensional structure of the dispersion mechanism of the present application.

[0027] Figure 4 is another schematic diagram of the three-dimensional structure of the dispersion mechanism of the present application.

[0028] Figure 5 is a schematic diagram of the cross-sectional three-dimensional structure of the dispersion mechanism of the present application.

[0029] Figure 6 is a schematic diagram of the cross-sectional structure of the sealing member of the present application.

[0030] Figure 7 is a schematic diagram of the three-dimensional structure of the separation mechanism of the present application.

[0031] Figure 8 is a schematic diagram of the cross-sectional three-dimensional structure of the separation mechanism of the present application.

[0032] Figure 9 is a schematic diagram of the cross-sectional structure of the separation mechanism of the present application.

[0033] Reference Signs:

[0034] 1. stirring mechanism; 11. base; 12. lifting part; 13. driving part; 14. stirring rod; 15. stirring blade; 2. containing barrel; 3. clamping mechanism; 31. driving source 1; 32. bidirectional screw; 33. clamping part; 4. dispersion mechanism; 41. driving source 2; 42. lifting part; 421. mounting groove 1; 422. air passage 1; 423. air passage 2; 424. mounting groove 2; 43. dispersion part; 431. liquid outlet; 44. pushing part; 441. inclined surface; 45. liquid delivery pipe; 46. sealing member; 461. sealing part; 462. elastic part 1; 47. sealing member; 471. sealing part; 472. elastic part 2; 5. separation mechanism; 51. driving source 3; 52. air bag 1; 53. air bag 2; 54. air bag 3. DETAILED DESCRIPTION

[0035] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the embodiments described are examples of the present application and are not intended to limit the present application.

[0036] As shown in Figures 1 to 9 the paint stirring device of the present application comprises a stirring mechanism 1, a containing barrel 2, a clamping mechanism 3, a dispersing mechanism 4 and a separating mechanism 5, the containing barrel 2 is used for containing solvent, the stirring mechanism 1 can stir the solvent in the containing barrel 2, the clamping mechanism 3 is connected to the stirring mechanism 1 and is used for clamping the containing barrel 2 to avoid the phenomenon of the containing barrel 2 from tilting when the solvent inside the containing barrel 2 is stirred, the dispersing mechanism 4 is connected to the clamping mechanism 3 and is used for delivering liquid paint to different depths of the solvent, thereby improving the mixing efficiency of the solvent and the liquid paint, and the separating mechanism 5 is connected to the dispersing mechanism 4 and is used for separating the solvent from the air outside to reduce the generation of bubbles in the solvent during stirring, so as to enhance the mixing effect of the solvent and the liquid paint.

[0037] As shown in Figure 1 and Figure 2 the stirring mechanism 1 comprises a base 11, a lifting piece 12, a driving piece 13, a stirring rod 14 and stirring blades 15, the lifting piece 12 is connected to the top of the base 11, the driving piece 13 is connected to the telescopic end of the lifting piece 12, the stirring rod 14 is connected to the driving piece 13, the stirring blades 15 are connected to the stirring rod 14, and the containing barrel 2 is placed on the top of the base 11, the lifting piece 12 can drive the driving piece 13, the stirring rod 14 and the stirring blades 15 to move downward, so that the stirring rod 14 and the stirring blades 15 extend into the containing barrel 2, and the driving piece 13 can drive the stirring rod 14 to rotate, so that the stirring rod 14 drives the stirring blades 15 to stir the solvent in the containing barrel 2 (the lifting piece 12 and the driving piece 13 are both prior art, and will not be described in detail here).

[0038] As shown in Figure 1 and Figure 2 the clamping mechanism 3 comprises a driving source 31, a bidirectional screw rod 32 and clamping portions 33, the driving source 31 is connected to the base 11, the driving source 31 is a motor, one end of the bidirectional screw rod 32 is connected to the output shaft of the driving source 31, the other end of the bidirectional screw rod 32 is rotatably connected to the base 11, the bidirectional screw rod 32 has two threads with opposite screw directions, the clamping portions 33 are provided in two, the two clamping portions 33 are threadedly connected to the two threads of the bidirectional screw rod 32 respectively, and the two clamping portions 33 are both slidably connected to the base 11.

[0039] The starting drive source 31 drives the bidirectional screw rod 32 to rotate, and the two clamping parts 33 are driven by the bidirectional screw rod 32 to move closer to or away from each other on the base 11. When the two clamping parts 33 move closer to each other, the holding barrel 2 can be clamped to avoid the phenomenon that the holding barrel 2 tilts when the stirring mechanism 1 stirs the solvent in the holding barrel 2. When the two clamping parts 33 move away from each other, the clamping of the holding barrel 2 is released, so that the holding barrel 2 can be removed from the base 11.

[0040] As shown in Figures 1 to 6 The dispersion mechanism 4 includes a driving source 41, a lifting part 42, a dispersion part 43, a pushing part 44, a liquid conveying pipe 45, a blocking piece 46, and a sealing piece 47. The driving source 41 is connected to the driving part 13, and the driving source 41 is a gas cylinder. The lifting part 42 is connected to the telescopic end of the driving source 41. The dispersion part 43 is rotatably connected to the stirring rod 14 and is inserted into the lifting part 42. The lifting part 42 limits the rotation of the dispersion part 43 so that the dispersion part 43 cannot rotate with the stirring rod 14. The bottom of the dispersion part 43 is at the same horizontal plane as the bottom of the stirring rod 14. The dispersion part 43 is provided with a liquid outlet 431. The liquid outlet 431 is provided in multiple. The multiple liquid outlets 431 are equally spaced from bottom to top. The liquid conveying pipe 45 is connected to the dispersion part 43. One end of the liquid conveying pipe 45 is connected to an external conveying device (the external conveying device can convey liquid paint, not shown in the figure, and the external conveying device is a prior art, which will not be described in detail here). The liquid conveying pipe 45 can convey liquid paint into the dispersion part 43, and the liquid paint can be uniformly conveyed to different depths of the solvent through the multiple liquid outlets 431 on the dispersion part 43, so as to accelerate the mixing efficiency of the liquid paint and the solvent.

[0041] As shown in Figures 1 to 6 The pushing part 44 is connected to the lifting part 42, and the blocking piece 46 is connected to the dispersion part 43. The blocking piece 46 is provided in multiple. The multiple blocking pieces 46 correspond to the multiple liquid outlets 431 one by one. The driving source 41 can drive the lifting part 42 to move downward. When the lifting part 42 moves downward, the pushing part 44 can push the blocking piece 46 of the corresponding height one by one from top to bottom, so that the blocking piece 46 blocks the liquid outlet 431 of the corresponding height. Until the bottom of the lifting part 42 contacts the upper surface of the solvent, the liquid outlet 431 on the surface of the solvent is blocked, the number of liquid outlets 431 opened from bottom to top is selected according to the height of the solvent, and the mixing efficiency of the liquid paint and the solvent is further accelerated.

[0042] As shown in Figures 1 to 6As shown, the bottom of the pushing part 44 is provided with an inclined surface 441, the blocking part 46 comprises a blocking part 461 and an elastic part 462, the dispersion part 43 is provided with a limiting sliding groove, the blocking part 461 is slidingly connected in the limiting sliding groove on the dispersion part 43, the elastic part 462 is a spring, the elastic part 462 is located in the limiting sliding groove, and the two ends of the elastic part 462 are connected with the blocking part 461 and the inner wall of the limiting sliding groove respectively, and the length of the blocking part 461 is greater than the length of the limiting sliding groove, so that the blocking part 461 can still block the limiting sliding groove when moving, so as to avoid the solvent or liquid pigment entering the limiting sliding groove.

[0043] In other embodiments, the limiting sliding groove can also be inclined, and when the pushing part 44 moves downward, the blocking part 461 is inclined to move upward and blocks the liquid outlet 431, and after the pushing part 44 and the blocking part 461 are separated, the blocking part 461 can be reset by its own gravity, so that the elastic part 462 is not needed to pull the reset.

[0044] Continuing to refer to Figures 1 to 6 As shown, the sealing part 47 is provided as a plurality of sealing parts 47, and the plurality of sealing parts 47 are connected in the plurality of liquid outlets 431 respectively, and the sealing part 47 can seal the liquid outlet 431, before use, the dispersion part 43 is filled with liquid pigment in advance, so that there is no air left in the dispersion part 43 immersed in the solvent, and the air in the dispersion part 43 does not enter the solvent when the dispersion part 43 disperses the liquid pigment, thereby affecting the mixing effect of the solvent and the liquid pigment, the sealing part 47 comprises a sealing part 471 and an elastic part 472, the elastic part 472 is a telescopic rod with a spring inside, the elastic part 472 is connected in the liquid outlet 431, and the sealing part 471 is connected to the telescopic end of the elastic part 472, the liquid outlet 431 can be sealed by the sealing part 471, when the dispersion part 43 disperses the liquid pigment, the external conveying equipment conveys the liquid pigment into the dispersion part 43 through the liquid conveying pipe 45, so that the pressure of the liquid pigment in the dispersion part 43 increases, thereby pushing the sealing part 471 away from the liquid outlet 431 and stretching the elastic part 472, and then uniformly conveying the liquid pigment to different depths of the solvent.

[0045] In other embodiments, the number of dispersion parts 43 can also be provided as a plurality, for conveying different liquid pigments into the solvent in the holding barrel 2 respectively.

[0046] As Figures 1 to 4 , Figures 7 to 9As shown, the lifting part 42 is in a circular shape, the top of the lifting part 42 is provided with a mounting groove one 421 and a mounting groove two 424, the lifting part 42 is provided with an air passage one 422 and an air passage two 423, the air passage one 422 and the air passage two 423 are communicated, the air passage two 423 is communicated with the mounting groove one 421, the dispersion part 43 is inserted into the mounting groove one 421, the pushing part 44 is connected in the mounting groove one 421, the separation mechanism 5 comprises a driving source three 51, an air bag one 52, an air bag two 53 and an air bag three 54, the driving source three 51 is connected to the top of the lifting part 42, the driving source three 51 is a gas pump, the driving source three 51 can input gas into the air passage one 422 or exhaust the gas in the air passage one 422, the air bag one 52 is in a ring shape, the air bag one 52 is connected to the outer circumferential surface of the lifting part 42, the air bag two 53 is connected in the air passage two 423, the air bag three 54 is connected to the inner side of the lower end of the mounting groove two 424, and the air bag three 54 can seal the mounting groove two 424.

[0047] After the bottom of the lifting part 42 is in contact with the upper surface of the solvent, the air bag three 54 is in contact with the solvent and generates wrinkles, the driving source three 51 is started to input gas into the air passage one 422, so that the air bag one 52 and the air bag two 53 are inflated, the outer circumferential surface of the inflated air bag one 52 is in contact with the inner wall of the holding barrel 2, and the inflated air bag two 53 is filled into the mounting groove one 421 to seal the mounting groove one 421, at this time, under the action of the lifting part 42, the air bag one 52, the air bag two 53 and the air bag three 54, the air above the lifting part 42 and the solvent below the lifting part 42 can be separated, thereby reducing the air bubbles generated when the stirring mechanism 1 stirs the solvent, and further enhancing the mixing effect of the solvent and the liquid pigment, when the dispersion part 43 delivers the liquid pigment into the solvent, the liquid amount below the lifting part 42 increases, at this time, the liquid below the lifting part 42 pushes up the air bag three 54, so that the air bag three 54 is inflated upward, thereby leaving enough space for the addition of the liquid pigment, so as to avoid the increase of the pressure in the solvent and the liquid pigment, and to affect the mixing effect and the mixing efficiency of the solvent and the liquid pigment.

[0048] The present application also provides a stirring method of the paint stirring device, which comprises the following steps:

[0049] S1: starting the downward movement of the stirring rod 14, and driving the stirring blade 15 and the dispersion part 43 to extend into the holding barrel 2;

[0050] Specifically, the dispersion part 43 is filled with liquid pigment in advance, so that there is no air left in the dispersion part 43 extending into the solvent, and a plurality of sealing members 47 respectively seal a plurality of liquid outlets 431, the lifting part 12 is started to drive the driving part 13, the stirring rod 14 and the stirring blade 15 to move downward, so that the stirring rod 14, the stirring blade 15 and the dispersion part 43 extend into the holding barrel 2;

[0051] The driving source 31 drives the bidirectional screw rod 32 to rotate, and the two clamping parts 33 are driven by the bidirectional screw rod 32 to move towards each other on the base 11 and clamp the containing barrel 2;

[0052] S2: The lifting part 42 is lowered to the upper surface of the solvent, and the pushing part 44 pushes the blocking part 461 from top to bottom in sequence to block the liquid outlet 431 on the surface of the solvent;

[0053] Specifically, the driving source 41 drives the lifting part 42 to move downwards to the upper surface of the solvent, and when the lifting part 42 moves downwards, the pushing part 44 pushes the blocking part 461 from top to bottom in sequence, thereby blocking the liquid outlet 431 on the surface of the solvent;

[0054] The driving source 51 drives the gas to be input into the air duct 422, so that the air bag 52 and the air bag 53 are inflated, the outer periphery of the inflated air bag 52 is in contact with the inner wall of the containing barrel 2, and the inflated air bag 53 is filled into the mounting groove 421 to seal the mounting groove 421, at this time, under the action of the lifting part 42, the air bag 52, the air bag 53 and the air bag 54, the air above the lifting part 42 and the solvent below the lifting part 42 can be separated;

[0055] S3: The stirring rod 14 drives the stirring blade 15 to rotate to stir the solvent, and the dispersion part 43 is started, and the liquid pigment is transported to different depths of the solvent through the liquid outlet 431 extending into the solvent.

[0056] Specifically, the driving part 13 drives the stirring rod 14 to rotate to make the stirring rod 14 drive the stirring blade 15 to stir the solvent, the external conveying equipment is started, the liquid pigment is conveyed into the dispersion part 43 through the liquid conveying pipe 45, and the liquid pigment is uniformly conveyed to different depths of the solvent through the liquid outlet 431 extending into the solvent on the dispersion part 43, and the air bag 54 below the lifting part 42 is pushed upward to make the air bag 54 bulge upward, thereby leaving enough space for the addition of the liquid pigment.

[0057] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0058] Furthermore, the terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply relative importance or a quantity of the indicated technical features. Thus, a feature defined with "first", "second", etc. can include at least one of the features implicitly or explicitly. In the description of the present application, the meaning of "a plurality" is at least two, for example, two, three, etc., unless otherwise specifically defined.

[0059] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and that changes, modifications, substitutions and variations can be made by those skilled in the art without departing from the scope of the present application.

Claims

1. A paint stirring device comprising a stirring rod, a stirring blade, and a holding tank, the stirring blade being attached to the stirring rod, the stirring rod being capable of being inserted into the holding tank, and the stirring rod also being capable of causing the stirring blade to stir a solvent in the holding tank, characterized in that, It also includes a dispersion mechanism, which includes a lifting part, a dispersion part, a pushing part, and a sealing part. The dispersion part is rotatably connected to the stirring rod and has multiple liquid outlets that can deliver liquid pigments to different depths in the solvent. The dispersion part is inserted into the lifting part, which can limit the dispersion part to prevent it from rotating. Multiple pushing parts are provided, each of which is slidably connected to the dispersion part and corresponds one-to-one with the multiple liquid outlets. The pushing parts are connected to the lifting part, which can move down to the solvent surface and drive the pushing parts to push the sealing parts one by one from top to bottom to seal the liquid outlets that leak out of the solvent surface. ​ An elastic part is connected between the blocking part and the dispersing part, which is used to drive the blocking part to reset. The outlet is connected to an elastic part two, and a sealing part is connected to the elastic part two. The sealing part can seal the outlet. The separating mechanism includes a third drive source, an airbag one, and an airbag two. The top of the lifting part is provided with a mounting groove one. The lifting part is provided with an air passage one and an air passage two, which are connected. The air passage two is connected to the mounting groove one. The dispersing part and the pushing part are both provided in the mounting groove one. The third drive source is connected to the top of the lifting part. The airbag one is connected to the outer peripheral surface of the lifting part. The top of the lifting part is provided with a mounting groove two. The separating mechanism also includes an airbag three, which is connected to the lower inner side of the mounting groove two. The lifting part, airbag one, airbag two, and airbag three can separate the upper part of the lifting part from the lower part of the lifting part. The airbag two is connected in the air passage two. After the bottom of the lifting section comes into contact with the upper surface of the solvent, the third airbag comes into contact with the solvent and creates folds. The third airbag can also bulge upwards to leave enough space for the addition of liquid pigments and to avoid increasing the pressure inside the solvent and liquid pigments.

2. The paint stirring device of claim 1, wherein The bottom of the pusher is provided with a slope.

3. The paint stirring device of claim 1, wherein, The dispersing section is connected to an infusion tube, which is connected to an external delivery device.

4. The paint mixing device according to claim 1, characterized in that, The top of the lifting unit is provided with a second mounting groove, and the separation mechanism also includes a third airbag, which is connected to the lower inner side of the second mounting groove.

5. A mixing method for a paint mixing device, characterized in that, The coating mixing apparatus according to any one of claims 1-4 comprises the following steps: S1: Start the stirring rod to move downwards, and drive the stirring blades and dispersing part into the container; S2: Start the lifting unit to move down to the upper surface of the solvent, and drive the pushing unit to push the sealing unit from top to bottom in sequence to seal the outlet of the solvent that is leaking out of the surface; S3: Start the stirring rod to drive the stirring blades to rotate, so as to stir the solvent, and start the dispersion section to deliver the liquid pigment to different depths of the solvent through the outlet that extends into the solvent.

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