Water-based paint stirring and mixing device

Abstract

The utility model relates to the technical field of mixing devices, in particular to a water-based paint stirring and mixing device, which omits a stirring mechanism, improves the actual volume in a tank body, reduces the probability of failure and has good reliability. Comprising a tank body, a mixing chamber is arranged in the tank body, and a feeding port communicated with the mixing chamber is formed in the upper portion of the tank body; the input end of the discharging pipe is connected with a discharging port in the lower portion of the tank body, the output end of the discharging pipe is connected with an inlet of the filtering barrel, a filtering cavity is formed in the filtering barrel, the filtering element is installed in the filtering cavity of the filtering barrel, an input port of the water pump is connected with an outlet of the filtering barrel, and an output port of the water pump is connected with an outlet of the filtering barrel. The water pump is provided with two output ports, the finished product pipe is connected with one output port of the water pump and provided with a first valve, the input end of the backflow pipe is connected with the other output port of the water pump, the output end of the backflow pipe is connected with the upper portion of the mixing cavity of the tank body, and the backflow pipe is provided with a second valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mixing device, in particular to water -based paint stirring mixing device. BACKGROUND

[0002] Water -based paint is a new type of environmental protection paint, and water -based paint needs to be stirred and mixed during production. The prior art proposes a variety of water -based paint stirring mixing devices, for example, the Chinese utility model patent with the publication number CN221107925U proposes a double-helix water -based paint mixing tank, which pours the raw material into the tank body through the feed port at the top of the sealing cover, the output shaft at the end of the servo motor drives the connecting shaft to rotate, the first rotating rod below the connecting shaft rotates coaxially with the connecting shaft, the first stirring fan stirs the water -based paint at the bottom of the tank body, the main gear on the side of the auxiliary gear engages and rotates, the main gear drives the second stirring fan to stir the water -based paint at the upper part of the tank body, the water -based paint in the tank body is stirred in opposite directions in the upper and lower layers, forming a double-helix shape, the water -based paint moves in an irregular direction, thereby improving the stirring efficiency of the water -based paint, at the same time, the connecting shaft drives the folding rod to rotate when rotating, the scraper at the end of the folding rod scrapes the inner wall of the tank body, avoids the water -based paint from adhering to the inner wall of the tank body, and improves the utilization rate of the water -based paint.

[0003] However, the above-mentioned existing mixing tank adopts a large-volume double-helix propeller stirring mechanism to stir the raw material, the resistance is large at the starting stage, and the stirring mechanism occupies a certain effective space in the tank, so that the actual volume in the tank is small, and the probability of failure of the moving parts is large. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a water -based paint stirring mixing device which cancels the stirring mechanism, improves the actual volume in the tank, reduces the probability of failure, and has good reliability.

[0005] The utility model discloses a water -based paint stirring mixing device, including jar body, the inside setting mixing chamber of jar body is set up the feeding opening of communication with mixing chamber in the upper portion of jar body, still including discharge pipe, filter vat, filter core, water pump, finished product pipe and reflux tube, the input end of discharge pipe is connected with the lower portion discharge port of jar body, and the output end of discharge pipe is connected with the import of filter vat, and the inside setting filter chamber of filter vat, filter core is installed in the filter chamber of filter vat, and the input of water pump is connected with the export of filter vat, and the setting two output ports of water pump, and finished product pipe is connected with the output port of water pump, and finished product pipe sets up valve no.

[0006] Preferably, it further comprises a motor and a slag discharge pipe, the filter chamber of the filter vat is circular in cross section, the filter core is a pipe with a triangular cross section, the three faces of the filter core are filter plates, the filter core is rotatably installed in the filter chamber of the filter vat, the three edges of the filter core are slidably connected to the inner wall of the filter chamber of the filter vat through wear-resistant sealing elements, the motor is installed on the filter vat, the output end of the motor is drivingly connected to the filter core, the input end of the slag discharge pipe is connected to the bottom of the filter chamber of the filter vat, the input end of the slag discharge pipe is located between one face of the filter core and the inner wall of the filter vat, and the slag discharge pipe is located between the inlet and the outlet of the filter vat, and a valve is provided on the slag discharge pipe; the motor drives the filter core to rotate in the filter chamber of the filter vat, so that one face of the filter core surrounds the slag discharge pipe with the inner wall of the filter vat, the raw material in the mixing chamber of the filter vat is filtered by the other two faces of the filter core, and the large particles in the raw material are intercepted by one face of the filter core facing the discharge pipe, after a period of work, the motor drives the filter core to rotate by 120 degrees, so that one face of the filter core facing the discharge pipe is rotated to face the slag discharge pipe, at this time, the valve of the slag discharge pipe is opened, so that the raw material in the filter core is backflushed to the face of the filter core facing the slag discharge pipe, thereby washing the large particles intercepted on the face of the filter core facing the slag discharge pipe and discharging them through the slag discharge pipe, closing the valve of the slag discharge pipe, discharging the large particles in the raw material, and maintaining the filtering efficiency of the three faces of the filter core, good practicability.

[0007] Preferably, it further comprises a grinding tank, a fixed grinding block, a pipe shaft and a movable grinding block, the grinding tank is located below the filter barrel, a grinding chamber is arranged in the grinding tank, the bottom of the grinding chamber of the grinding tank is provided with the fixed grinding block, a discharge pipe is arranged at the center bottom of the grinding chamber of the grinding tank, the middle of the pipe shaft is rotationally connected to the upper center of the grinding tank, the upper end of the pipe shaft is rotationally connected to the slag discharge pipe, the lower end of the pipe shaft is connected to the movable grinding block, a plurality of liquid outlet holes are arranged on the outer wall of the lower part of the pipe shaft, and the movable grinding block is rotationally arranged in the grinding chamber of the grinding tank; the raw materials containing large particles discharged through the slag discharge pipe are input into the grinding chamber of the grinding tank through the pipe shaft and input into the grinding chamber of the grinding tank through the plurality of liquid outlet holes, the pipe shaft drives the movable grinding block to rotate, so that the raw materials are ground and broken when passing through the gap between the movable grinding block and the fixed grinding block, thereby reducing the particle size of the raw materials, the ground raw materials are discharged through the discharge pipe of the grinding tank and collected, and the collected raw materials are re-input into the mixing chamber of the tank body for re-stirring and mixing, thereby realizing efficient utilization of the raw materials.

[0008] Preferably, it further comprises a motor two, a driving wheel, a driven wheel and a transmission belt, the motor two is installed on the grinding tank, the output shaft of the motor two is concentrically installed with the driving wheel, the driven wheel is installed on the pipe shaft, and the two ends of the transmission belt are sleeved on the driving wheel and the driven wheel respectively; the motor two drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, the driven wheel drives the pipe shaft and the movable grinding block to rotate, thereby achieving the driving of the movable grinding block, and the technology is mature and reliable.

[0009] Preferably, it further comprises an observation window, the observation window is arranged on the outer wall of the tank body, and a transparent plate is arranged on the observation window; the observation window facilitates understanding of the liquid level in the tank body and facilitates understanding of the stirring and mixing conditions of the raw materials, thereby improving the practicability.

[0010] Preferably, it further comprises a guide plate, the guide plate is installed in the mixing chamber of the tank body, and the guide plate is located on the opposite side of the discharge pipe and the reflux pipe; the guide plate guides the circulating flow of the raw materials in the mixing chamber of the tank body, so that the flow of the raw materials is more chaotic, and the stirring and mixing efficiency of the raw materials is improved.

[0011] Preferably, it further comprises a motor three and a driving shaft, the guide plate is rotationally installed in the mixing chamber of the tank body, the motor three is installed on the tank body, one end of the driving shaft is in transmission connection with the output shaft of the motor three, and the other end of the driving shaft is connected to the guide plate; the motor three drives the driving shaft to rotate, the driving shaft drives the guide plate to rotate, thereby changing the angle of the guide plate, achieving different guiding effects of the raw materials, and improving the mixing efficiency of the raw materials.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: when working, the valve of the finished product pipe is closed, the valve of the reflux pipe is opened, the raw material is input into the mixing chamber of the tank through the charging port of the tank, the water pump starts to draw the raw material in the lower part of the mixing chamber of the tank into the filter bucket through the discharge pipe, the raw material enters the water pump after being filtered by the filter core, the water pump inputs the raw material into the upper part of the mixing chamber of the tank through the reflux pipe, the raw material circulates in the mixing chamber, the raw material is stirred and mixed uniformly by mutual impact, the filter core intercepts the large particles in the raw material, the paint is more delicate, the abrasion of the impeller and other components of the water pump is reduced, the stirring mechanism with large volume is cancelled, the space in the mixing chamber of the tank is not occupied, the actual volume in the tank is increased, the resistance in the starting stage is reduced, the failure probability of the moving parts is reduced, and the reliability is good. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structural schematic diagram of the utility model;

[0014] Fig. 2 It is the front cut structure schematic diagram of the utility model;

[0015] Fig. 3 It is the isometric structural schematic diagram of the utility model;

[0016] Fig. 4 It is the structural schematic diagram of filter bucket, filter core, motor one, slag discharge pipe, grinding tank, fixed grinding block and pipe shaft etc. structure;

[0017] Fig. 5 It is the structural schematic diagram of filter bucket, filter core, motor one and slag discharge pipe etc. structure in the exploded state;

[0018] Fig. 6 It is the structural schematic diagram of grinding tank, fixed grinding block, pipe shaft, movable grinding block and motor two etc. structure in the exploded state.

[0019] Mark in the drawing: 1, tank; 2, discharge pipe; 3, filter bucket; 4, filter core; 5, water pump; 6, finished product pipe; 7, reflux pipe; 8, motor one; 9, slag discharge pipe; 10, grinding tank; 11, fixed grinding block; 12, pipe shaft; 13, movable grinding block; 14, motor two; 15, driving wheel; 16, driven wheel; 17, transmission belt; 18, observation window; 19, guide plate; 20, motor three; 21, driving shaft. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figs. 1 to 3 shown, the water-based paint stirring and mixing device comprises a tank body 1, the inside of the tank body 1 is provided with a mixing chamber, the upper part of the tank body 1 is provided with a feeding port communicated with the mixing chamber; further comprising a discharge pipe 2, a filter barrel 3, a filter core 4, a water pump 5, a finished product pipe 6 and a reflux pipe 7, the input end of the discharge pipe 2 is connected with the lower discharge port of the tank body 1, the output end of the discharge pipe 2 is connected with the inlet of the filter barrel 3, the inside of the filter barrel 3 is provided with a filter chamber, the filter core 4 is installed in the filter chamber of the filter barrel 3, the input port of the water pump 5 is connected with the outlet of the filter barrel 3, the water pump 5 is provided with two output ports, the finished product pipe 6 is connected with one output port of the water pump 5, the finished product pipe 6 is provided with a valve one, the input end of the reflux pipe 7 is connected with the other output port of the water pump 5, the output end of the reflux pipe 7 is connected with the upper part of the mixing chamber of the tank body 1, the reflux pipe 7 is provided with a valve two; further comprising an observation window 18, the observation window 18 is arranged on the outer wall of the tank body 1, the observation window 18 is provided with a transparent plate, further comprising a flow guide plate 19, the flow guide plate 19 is installed in the mixing chamber of the tank body 1, the flow guide plate 19 is located at the opposite side of the discharge pipe 2 and the reflux pipe 7; further comprising a motor three 20 and a driving shaft 21, the flow guide plate 19 is rotatably installed in the mixing chamber of the tank body 1, the motor three 20 is installed on the tank body 1, one end of the driving shaft 21 is in transmission connection with the output shaft of the motor three 20, the other end of the driving shaft 21 is connected with the flow guide plate 19.

[0023] When working, the valve one of the finished product pipe 6 is closed, the valve two of the reflux pipe 7 is opened, the raw material is input into the mixing chamber of the tank body 1 through the feeding port of the tank body 1, the water pump 5 starts to draw the raw material in the lower part of the mixing chamber of the tank body 1 into the filter barrel 3 through the discharge pipe 2, the raw material enters into the water pump 5 after being filtered by the filter core 4, the water pump 5 inputs the raw material back into the upper part of the mixing chamber of the tank body 1 through the reflux pipe 7, the flow guide plate 19 guides the circulating flow of the raw material in the mixing chamber of the tank body 1, so that the flow of the raw material is more chaotic, the motor three 20 drives the driving shaft 21 to rotate, the driving shaft 21 drives the flow guide plate 19 to rotate, so as to change the angle of the flow guide plate 19, realize different guiding effect of the raw material, make the raw material flow up and down in the mixing chamber, make the raw material impact each other to stir and mix uniformly, the filter core 4 intercepts the large particles in the raw material, so that the paint is more delicate, at the same time, reduces the abrasion of the impeller and other components of the water pump 5, since the large stirring mechanism is cancelled, it will not occupy the space in the mixing chamber of the tank body 1, improve the actual volume in the tank body 1, also reduce the resistance in the starting stage, and the probability of failure of the moving parts is reduced, the reliability is good, through the observation window 18, the liquid level in the inside of the tank body 1 is easy to understand, and the stirring and mixing situation of the raw material is easy to understand, improve the mixing efficiency of the raw material.

[0024] Embodiment 2

[0025] As Figs. 4 to 6 shown, on the basis of embodiment 1, it further comprises motor one 8 and slag discharge pipe 9, the filter chamber of filter bucket 3 is circular in section, filter core 4 is provided as a pipe type with triangular section, three faces of filter core 4 are filter plates, filter core 4 is rotatably installed in the filter chamber of filter bucket 3, three edges of filter core 4 are slidably connected with the inner wall of the filter chamber of filter bucket 3 through wear-resistant sealing elements, motor one 8 is installed on filter bucket 3, the output end of motor one 8 is drivingly connected with filter core 4, the input end of slag discharge pipe 9 is connected with the bottom of the filter chamber of filter bucket 3, the input end of slag discharge pipe 9 is located between one face of filter core 4 and the inner wall of filter bucket 3, and slag discharge pipe 9 is located between the inlet and outlet of filter bucket 3, valve three is provided on slag discharge pipe 9; it further comprises grinding pot 10, fixed grinding block 11, pipe shaft 12 and movable grinding block 13, grinding pot 10 is located below filter bucket 3, a grinding chamber is provided inside grinding pot 10, fixed grinding block 11 is provided at the bottom of the grinding chamber of grinding pot 10, a discharge pipe is provided at the center bottom of the grinding chamber of grinding pot 10, the middle part of pipe shaft 12 is rotatably connected with the upper center of grinding pot 10, the upper end of pipe shaft 12 is rotatably connected with slag discharge pipe 9, the lower end of pipe shaft 12 is connected with movable grinding block 13, a plurality of liquid outlet holes are provided on the outer wall of the lower part of pipe shaft 12, and movable grinding block 13 is rotatably provided in the grinding chamber of grinding pot 10; it further comprises motor two 14, driving wheel 15, driven wheel 16 and transmission belt 17, motor two 14 is installed on grinding pot 10, the output shaft of motor two 14 is concentrically installed with driving wheel 15, driven wheel 16 is installed on pipe shaft 12, and the two ends of transmission belt 17 are respectively sleeved on driving wheel 15 and driven wheel 16.

[0026] The motor 8 drives the filter core 4 to rotate in the filtering chamber of the filtering barrel 3, so that one face of the filter core 4 will enclose the slag discharge pipe 9 with the inner wall of the filtering barrel 3, the raw material in the mixing chamber of the filtering barrel 3 through the discharge pipe 2 is filtered by the other two faces of the filter core 4, and the large particles in the raw material are intercepted by one face of the filter core 4 towards the discharge pipe 2. After working for a period of time, the motor 8 drives the filter core 4 to rotate 120 degrees, and rotates the face of the filter core 4 towards the discharge pipe 2 to the face towards the slag discharge pipe 9. At this time, the valve 3 of the slag discharge pipe 9 is opened, so that the raw material in the filter core 4 is backflushed to the face of the filter core 4 towards the slag discharge pipe 9, thereby flushing the large particles intercepted on the face of the filter core 4 towards the slag discharge pipe 9 and discharging through the slag discharge pipe 9. The valve 3 on the slag discharge pipe 9 is closed to realize the discharge of the large particles in the raw material and maintain the high efficiency of the filtration of the three faces of the filter core 4. The raw material containing large particles discharged through the slag discharge pipe 9 is input into the grinding chamber of the grinding tank 10 through the pipe shaft 12 and input into the grinding chamber of the grinding tank 10 through a plurality of liquid outlet holes. The motor 14 drives the driving wheel 15 to rotate, the driving wheel 15 drives the driven wheel 16 to rotate through the transmission belt 17, the driven wheel 16 drives the pipe shaft 12 and the moving grinding block 13 to rotate, thereby driving the moving grinding block 13. The pipe shaft 12 drives the moving grinding block 13 to rotate, so that the raw material is ground and crushed when passing through the gap between the moving grinding block 13 and the fixed grinding block 11, thereby reducing the particle size of the raw material. The ground raw material is discharged through the discharge pipe of the grinding tank 10 and collected. The collected raw material is re-input into the mixing chamber of the tank body 1 for stirring and mixing again, thereby realizing the efficient use of the raw material.

[0027] As Figs. 1 to 6As shown, the water-based paint stirring and mixing device of the utility model, when working, first, the valve one of finished product pipe 6 is closed, the valve two of reflux pipe 7 is opened, raw material is input into the mixing chamber of jar body 1 through the filling port of jar body 1, the raw material in the lower part of the mixing chamber of jar body 1 is pumped into filter barrel 3 through discharge pipe 2 by water pump 5, the raw material is filtered into water pump 5 after filter core 4, then the raw material is input back to the upper part of the mixing chamber of jar body 1 by water pump 5 through reflux pipe 7, so that the raw material circulates up and down in the mixing chamber, so that the raw material is mixed uniformly by mutual impact, the filtering effect of the two sides of filter core 4 towards discharge pipe 2 and water pump 5 intercepts large particles in the raw material, so that the paint is more delicate, then after working for a period of time, motor one 8 drives filter core 4 to rotate 120 degrees, rotates one side of filter core 4 towards discharge pipe 2 to the side towards deslagging pipe 9, at this time, the valve three of deslagging pipe 9 is opened, so that the raw material inside filter core 4 backflushes the side of filter core 4 towards deslagging pipe 9, so that the large particles on the side of filter core 4 towards deslagging pipe 9 are washed down and discharged through deslagging pipe 9, the valve three on deslagging pipe 9 is closed, the raw material containing large particles discharged through deslagging pipe 9 is input into the grinding chamber of grinding jar 10 through pipe shaft 12 and is input into the grinding chamber of grinding jar 10 through multiple liquid outlet holes, finally, pipe shaft 12 drives grinding block 13 to rotate, so that the raw material is ground and broken when passing through the gap between grinding block 13 and fixed grinding block 11, so that the particle size in the raw material is reduced, the ground raw material is discharged through the discharge pipe of grinding jar 10 and is collected, and the collected raw material is re-input into the mixing chamber of jar body 1 for stirring and mixing again.

[0028] The main functions realized by the utility model are as follows:

[0029] 1. The stirring mechanism is cancelled, the actual volume in the jar body is improved, the probability of failure is reduced, and the reliability is good.

[0030] 2. The raw material is stirred and mixed in an external circulation flow mode, and the working efficiency is high.

[0031] 3. The filter plate can be converted and backflushed for self-cleaning.

[0032] 4. The large particles in the raw material can be ground.

[0033] The water-based paint stirring and mixing device is provided with a tank body 1, a filter barrel 3, a filter core 4, a water pump 5, a motor 8, a grinding tank 10, a fixed grinding block 11, a movable grinding block 13, a pipe shaft 12, a motor 14, a driving wheel 15, a driven wheel 16, a transmission belt 17 and a motor 20, and the installation mode, the connection mode or the setting mode of the water-based paint stirring and mixing device are all common mechanical modes, and the water-based paint stirring and mixing device can be implemented as long as the beneficial effects can be achieved; the tank body 1, the filter barrel 3, the filter core 4, the water pump 5, the motor 8, the grinding tank 10, the fixed grinding block 11, the movable grinding block 13, the pipe shaft 12, the motor 14, the driving wheel 15, the driven wheel 16, the transmission belt 17 and the motor 20 are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, and the technical personnel in the field do not need to pay creative labor.

[0034] All the technical and scientific terms used herein have the same meanings as those commonly understood by the technical personnel belonging to the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] The above is only the preferred embodiment of the utility model, and it should be noted that, for the ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. An aqueous paint stirring and mixing device, comprising a tank body (1), an inner portion of the tank body (1) is provided with a mixing chamber, an upper portion of the tank body (1) is provided with a feeding opening in communication with the mixing chamber; characterized in that, It also includes a discharge pipe (2), a filter barrel (3), a filter core (4), a water pump (5), a finished product pipe (6) and a backflow pipe (7), the input end of the discharge pipe (2) is connected with the lower discharge port of the tank body (1), the output end of the discharge pipe (2) is connected with the inlet of the filter barrel (3), the inside of the filter barrel (3) is provided with a filter chamber, the filter core (4) is installed in the filter chamber of the filter barrel (3), the input port of the water pump (5) is connected with the outlet of the filter barrel (3), the water pump (5) is provided with two output ports, the finished product pipe (6) is connected with one output port of the water pump (5), the finished product pipe (6) is provided with a valve one, the input end of the backflow pipe (7) is connected with the other output port of the water pump (5), the output end of the backflow pipe (7) is connected with the upper part of the mixing chamber of the tank body (1), the backflow pipe (7) is provided with a valve two.

2. The water-borne paint mixing apparatus of claim 1, wherein, It also includes a motor one (8) and a slag discharge pipe (9), the filter chamber of the filter barrel (3) is circular in cross section, the filter core (4) is provided as a pipe type with a triangular cross section, the three surfaces of the filter core (4) are filter plates, the filter core (4) is rotatably installed in the filter chamber of the filter barrel (3), the three edges of the filter core (4) are slidably connected with the inner wall of the filter chamber of the filter barrel (3) through wear-resistant sealing elements, the motor one (8) is installed on the filter barrel (3), the output end of the motor one (8) is drivingly connected with the filter core (4), the input end of the slag discharge pipe (9) is connected with the bottom of the filter chamber of the filter barrel (3), the input end of the slag discharge pipe (9) is located between one surface of the filter core (4) and the inner wall of the filter barrel (3), and the slag discharge pipe (9) is located between the inlet and the outlet of the filter barrel (3), the slag discharge pipe (9) is provided with a valve three.

3. The water-borne paint mixing apparatus of claim 2, wherein, It also includes a grinding tank (10), a fixed grinding block (11), a pipe shaft (12) and a movable grinding block (13), the grinding tank (10) is located below the filter barrel (3), the inside of the grinding tank (10) is provided with a grinding chamber, the bottom of the grinding chamber of the grinding tank (10) is provided with the fixed grinding block (11), the center bottom of the grinding chamber of the grinding tank (10) is provided with a discharge pipe, the middle part of the pipe shaft (12) is rotatably connected with the upper center of the grinding tank (10), the upper end of the pipe shaft (12) is rotatably connected with the slag discharge pipe (9), the lower end of the pipe shaft (12) is connected with the movable grinding block (13), the lower outer wall of the pipe shaft (12) is provided with a plurality of liquid outlet holes, the movable grinding block (13) is rotatably arranged in the grinding chamber of the grinding tank (10).

4. The water-borne paint mixing apparatus of claim 3, wherein, It also includes a motor two (14), a driving wheel (15), a driven wheel (16) and a transmission belt (17), the motor two (14) is installed on the grinding tank (10), the output shaft of the motor two (14) concentrically installs the driving wheel (15), the driven wheel (16) is installed on the pipe shaft (12), the two ends of the transmission belt (17) are respectively sleeved on the driving wheel (15) and the driven wheel (16).

5. The water-borne paint mixing apparatus of claim 1, wherein, It also includes an observation window (18), the outer wall of the tank body (1) is provided with the observation window (18), the observation window (18) is provided with a transparent plate.

6. The water-borne paint mixing apparatus of claim 1, wherein, It also includes a flow guide plate (19), the flow guide plate (19) is installed in the mixing chamber of the tank body (1), the flow guide plate (19) is located on the opposite side of the discharge pipe (2) and the backflow pipe (7).

7. The water-borne paint mixing apparatus of claim 6, wherein, The device further comprises a third motor (20) and a driving shaft (21), the deflector (19) is rotatably installed in the mixing chamber of the tank body (1), the third motor (20) is installed on the tank body (1), one end of the driving shaft (21) is in driving connection with an output shaft of the third motor (20), and the other end of the driving shaft (21) is connected with the deflector (19).

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