Coating liquid stirring mechanism

Abstract

The utility model discloses a coating liquid stirring mechanism which comprises a stirring kettle with a vertical structure, a hollow shaft arranged along the vertical direction is arranged in the stirring kettle, and a transmission chain wheel and a rotary joint are sequentially arranged at the top of the hollow shaft; a first stirring blade group, a spray pipe group and a second stirring blade group are sequentially mounted on a main body of the hollow shaft from top to bottom, the first stirring blade group comprises a plurality of stirring blades which are circumferentially and uniformly distributed, a screen is arranged at the bottom of the first stirring blade group, and the spray pipe group comprises a plurality of spray pipes which are circumferentially and uniformly distributed; and a high-pressure spray head is mounted below the end part, far away from the hollow shaft, of the spray pipe. According to the coating liquid stirring mechanism provided by the utility model, large-particle impurities and large-block hardened materials in powdery materials can be removed, so that the mixing quality of coating liquid is ensured; attachments on the tank wall can be flushed in time, so that wall scale formed by long-time gathering is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of coating liquid stirring mechanism, belong to coating liquid stirring technical field. BACKGROUND

[0002] Coating liquid is the material that can be attached on the surface of substrate, with specific function, belongs to the category of coating. The preparation process of coating liquid needs to accurately control the proportion of various raw materials and mixing conditions, to ensure the performance stability of coating liquid.

[0003] Coating liquid is mixed in the process, not only liquid material, but also need to add clay mineral, ceramic powder and other powdery material, to increase the different functions of coating. Patent No. CN202320243751.0 discloses a kind of coating liquid stirring mechanism, by setting multistage stirring mechanism, can be fully stirred in the stirring barrel of coating liquid, while avoiding the synchronous rotation of solid materials in the stirring barrel due to the generation of vortex as far as possible, so as to reduce the collision rate of solid materials, and further improve the collision rate between solid materials, avoid the agglomeration of solid materials as far as possible, so as to improve the processing quality of coating liquid, improve the processing efficiency of coating liquid.

[0004] According to the technical scheme disclosed in the above patent document, it is considered that there are still the following technical problems in practice:

[0005] 1. Sometimes there are large particle impurities and large block material in powdery material, the existence of large particle impurities and large block material will affect the mixing quality of coating liquid.

[0006] 2. The stirring mechanism adopts closed design, and the inner wall is not convenient to clean. The inner wall of the stirring barrel will adhere to the coating liquid, form wall dirt, and with the passage of time, the wall dirt will be thickened, affected by its own gravity and external vibration and other factors, will collapse into the coating liquid, affect the processing quality of coating liquid.

[0007] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENT

[0008] The utility model provides a kind of coating liquid stirring mechanism according to the deficiency in background art, can remove the large particle impurities and large block material existing in powdery material, ensure the mixing quality of coating liquid;Tank wall adherend can be flushed in time to prevent long-term aggregation and form wall dirt.

[0009] To solve the above technical problems, the utility model adopts the following technical scheme:

[0010] The coating liquid stirring mechanism comprises a stirring kettle in a vertical structure, a hollow shaft arranged in a vertical direction is arranged in the stirring kettle, a transmission sprocket and a rotary joint are sequentially arranged at the top of the hollow shaft, a first stirring blade group, a spray pipe group and a second stirring blade group are sequentially arranged from top to bottom on the main body of the hollow shaft, the first stirring blade group comprises a plurality of stirring blades which are uniformly distributed in a circle, a screen is arranged at the bottom of the first stirring blade group, the spray pipe group comprises a plurality of spray pipes which are uniformly distributed in a circle, the inner end of the spray pipe is communicated with the inner cavity of the hollow shaft, and a high-pressure nozzle is arranged below the end of the spray pipe which is away from the hollow shaft.

[0011] Further, the transmission sprocket is in transmission connection with the driving motor, and the rotary joint is communicated with the inner cavity of the hollow shaft.

[0012] Further, the first stirring blade group, the spray pipe group and the second stirring blade group are fixedly connected with the hollow shaft.

[0013] Further, the periphery of the screen is fixedly connected to the inner wall of the stirring kettle.

[0014] Further, a blocking plate is fixedly arranged in the stirring kettle, and the washing water entering the hollow shaft is branched to the spray pipes by the blocking plate.

[0015] Further, the spray pipe group is arranged through the inverted cone cylinder in a transverse direction, the spray pipe group is fixedly connected with the inverted cone cylinder, and the inverted cone cylinder is coaxially arranged with the hollow shaft.

[0016] Further, the top end of the inverted cone cylinder is slidably connected with the inner wall of the stirring kettle, and the bottom end of the inverted cone cylinder is arranged to form an annular material falling gap with the hollow shaft.

[0017] Further, a heat exchange jacket for temperature control is arranged on the outer wall of the stirring kettle.

[0018] Further, the top of the stirring kettle is provided with a powder material inlet, the side of the stirring kettle is provided with a liquid material inlet and a impurity discharge port, the liquid material inlet is arranged below the inverted cone cylinder, and the impurity discharge port is arranged outside the screen.

[0019] Further, the bottom of the stirring kettle is provided with an outlet.

[0020] Compared with the prior art, the above technical scheme has the following advantages:

[0021] By arranging the screen below the powder material and arranging the stirring blade on the stirring kettle for assisting the material filtration, the large particle impurities and large block materials in the powder material are removed by the cooperation of the stirring blade and the screen, so that the mixing quality of the coating liquid is ensured.

[0022] The cleaning water in the utility model can enter the hollow shaft through the rotary joint, then be distributed to each spray pipe, and finally be sprayed out by the high-pressure spray head, since the high-pressure spray head and the spray pipe can rotate 360 degrees along with the hollow shaft, the high-pressure spray head can clean the inner wall of the stirred tank comprehensively, and the attachment on the tank wall is prevented from gathering for a long time to form scale.

[0023] The utility model will be explained in detail below in combination with the drawings and examples. DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of the utility model;

[0025] Figure 2 It is the connecting schematic diagram of the hollow shaft and the spray pipe.

[0026] In the drawing, 1 is a stirred tank, 2 is a hollow shaft, 3 is a transmission sprocket, 4 is a rotary joint, 5 is a first stirring blade group, 6 is a spray pipe group, 7 is a second stirring blade group, 8 is a high-pressure spray head, 9 is a screen, 10 is an inverted cone cylinder, 11 is a blanking gap, 12 is a blocking plate, 13 is a heat exchange jacket, 14 is a powdery material inlet, 15 is a liquid material inlet, 16 is an outlet, and 17 is a impurity discharge port. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained in combination with the drawings.

[0028] As Figure 1 and Figure 2 The utility model provides a kind of coating liquid stirring mechanism, including the stirred tank 1 of vertical structure, hollow shaft 2 being installed in the inside of stirred tank 1 along vertical direction, transmission sprocket 3 and rotary joint 4 are sequentially installed at the top of hollow shaft 2, transmission sprocket 3 is drivingly connected with driving motor, and rotary joint 4 is connected with the inner cavity of hollow shaft 2.

[0029] The main body of hollow shaft 2 is sequentially installed with first stirring blade group 5, spray pipe group 6 and second stirring blade group 7 from top to bottom, and first stirring blade group 5, spray pipe group 6 and second stirring blade group 7 are fixedly connected with hollow shaft 2 and rotate synchronously.

[0030] First stirring blade group 5 includes a plurality of stirring blades that are uniformly distributed in a circle, and a screen 9 is provided at the bottom of first stirring blade group 5, the periphery of the screen 9 is fixedly connected to the inner wall of the stirred tank 1, and the screen 9 is used to filter the powdery feed to trap large impurities in the material.

[0031] The spray pipe group 6 comprises a plurality of spray pipes which are uniformly distributed in a circle, the inner end of the spray pipe is communicated with the inner cavity of the hollow shaft 2, and a high-pressure nozzle 8 is arranged below the end of the spray pipe which is away from the hollow shaft 2; a baffle plate 12 is fixedly arranged in the stirring kettle 1, and the baffle plate 12 divides the cleaning water entering the hollow shaft 2 into each spray pipe.

[0032] The spray pipe group 6 is arranged through the inverted cone cylinder 10 in a transverse direction, the spray pipe group 6 is fixedly connected with the inverted cone cylinder 10, the inverted cone cylinder 10 is coaxially arranged with the hollow shaft 2, the inverted cone cylinder 10 can rotate with the hollow shaft 2, the top end of the inverted cone cylinder 10 is slidably connected with the inner wall of the stirring kettle 1, and the bottom end of the inverted cone cylinder 10 is arranged with the hollow shaft 2 to form an annular material falling gap 11.

[0033] The inverted cone cylinder 10 has two functions, one is to guide the filtered material to the bottom of the stirring kettle 1, and the other is to prevent the material at the bottom of the inner cavity of the stirring kettle 1 from splashing onto the screen 9 during stirring, thereby affecting the filtering effect.

[0034] The heat exchange jacket 13 for temperature control is arranged on the outer wall of the stirring kettle 1, so that the material in the inner cavity of the stirring kettle 1 is uniformly mixed at a certain temperature.

[0035] The top of the stirring kettle 1 is provided with a powdery material inlet 14, the side of the stirring kettle 1 is provided with a liquid material inlet 15 and a foreign matter discharge port 17, the liquid material inlet 15 is located below the inverted cone cylinder 10, and the foreign matter discharge port 17 is located outside the screen 9.

[0036] The bottom of the stirring kettle 1 is provided with an outlet 16.

[0037] The specific working principle of the utility model is as follows:

[0038] The hollow shaft 2 drives the first stirring blade group 5, the spray pipe group 6, the inverted cone cylinder 10 and the second stirring blade group 7 to rotate synchronously.

[0039] When the materials are mixed, the liquid material directly enters the bottom of the inner cavity of the stirring kettle 1 through the liquid material inlet 15, the powdery material firstly enters above the screen 9 through the powdery material inlet 14, is filtered under the assistance of the first stirring blade group 5, the material meeting the particle size requirement enters the bottom of the inner cavity of the stirring kettle 1 through the inverted cone cylinder 10, is fully mixed with the liquid material under the action of the second stirring blade group 7, and is discharged through the outlet 16 after the material mixing is completed; the large-particle impurities above the screen 9 are finally discharged through the foreign matter discharge port 17.

[0040] When the inner wall of the stirring kettle 1 needs to be cleaned, the cleaning water enters the hollow shaft 2 through the rotary joint 4, is then divided into each spray pipe, and is finally sprayed out through the high-pressure nozzle 8; since the high-pressure nozzle 8 and the spray pipe can rotate 360 degrees with the hollow shaft 2, the high-pressure nozzle 8 can comprehensively clean the inner wall of the stirring kettle 1.

[0041] The above is an example of the best embodiment of the present application, wherein the parts not described in detail are common knowledge of those skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.

Claims

1. A coating liquid stirring mechanism characterized by comprising: The utility model provides a vertical structure's stirring kettle (1), stirring kettle (1) inside installs hollow shaft (2) along vertical direction, hollow shaft (2) top is installed transmission chain wheel (3) and rotary joint (4) in proper order, hollow shaft (2) main body is installed first stirring vane group (5) from top to bottom in proper order, lance group (6) and second stirring vane group (7), first stirring vane group (5) including the multiple stirring vane that is evenly distributed in circumference, first stirring vane group (5) bottom is equipped with screen (9), lance group (6) including the multiple lance that is evenly distributed in circumference, and the inner end of lance is linked together with hollow shaft (2) inner chamber, and the end of lance is installed high pressure shower (8) below away from hollow shaft (2).

2. The coating liquid stirring mechanism according to claim 1, wherein: The transmission chain wheel (3) is in transmission connection with the driving motor, and the rotary joint (4) is in communication with the inner cavity of the hollow shaft (2).

3. The coating liquid stirring mechanism according to claim 1, wherein: The first stirring vane group (5), the lance group (6) and the second stirring vane group (7) are fixedly connected with the hollow shaft (2).

4. The coating liquid stirring mechanism according to claim 1, wherein: The periphery of the screen (9) is fixedly connected to the inner wall of the stirring kettle (1).

5. The coating liquid stirring mechanism according to claim 1, wherein: The blanking plate (12) is fixedly installed in the stirring kettle (1), and the blanking plate (12) divides the cleaning water entering the hollow shaft (2) into each lance.

6. The coating liquid stirring mechanism according to claim 1, wherein: The lance group (6) is arranged through the inverted cone cylinder (10) in the transverse direction, and the lance group (6) is fixedly connected with the inverted cone cylinder (10), and the inverted cone cylinder (10) is coaxially arranged with the hollow shaft (2).

7. The coating liquid stirring mechanism according to claim 6, wherein: The top end of the inverted cone cylinder (10) is slidably connected with the inner wall of the stirring kettle (1), and the bottom end of the inverted cone cylinder (10) and the hollow shaft (2) form an annular material falling gap (11).

8. The coating liquid stirring mechanism according to claim 1, wherein: A heat exchange jacket (13) for temperature control is arranged on the outer wall of the stirring kettle (1).

9. The coating liquid stirring mechanism according to claim 1, wherein: The top of the stirring kettle (1) is provided with a powdery material inlet (14), the side of the stirring kettle (1) is provided with a liquid material inlet (15) and a impurity discharge port (17), the liquid material inlet (15) is located below the inverted cone cylinder (10), and the impurity discharge port (17) is located outside the screen (9).

10. The coating liquid stirring mechanism according to claim 1, wherein: The bottom of the stirring kettle (1) is provided with an outlet (16).

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