CN214810465U

CN214810465U - Electrophoretic coating's agitating unit

Info

Publication number: CN214810465U
Application number: CN202121303399.2U
Authority: CN
Inventors: 瞿丽莎; 陶波
Original assignee: Shanghai Reed Chemical Co ltd
Current assignee: Shanghai Reed Chemical Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-23
Anticipated expiration: 2031-06-10

Abstract

The application relates to electrophoretic paint technical field, especially relates to an electrophoretic paint's agitating unit, and it includes the cauldron body, the axis of rotation is worn to be equipped with at cauldron body top, the axis of rotation rotates with the cauldron body and is connected, the fixed stirring frame that is provided with in axis of rotation week side, the fixed stirring storehouse that is provided with of one end that the axis of rotation was kept away from to the stirring frame, a plurality of first through-holes have been seted up to the stirring storehouse lateral wall, cauldron body top still is provided with and is used for driving axis of rotation pivoted drive assembly. This application has the more abundant effect of messenger's electrophoretic coating stirring.

Description

Electrophoretic coating's agitating unit

Technical Field

The application relates to the technical field of electrophoretic paint, in particular to an electrophoretic paint stirring device.

Background

Electrophoresis is one of the most effective methods for coating metal workpieces. The electrophoretic coating is a special coating method which comprises the steps of immersing an object to be coated with electric conductivity into an electrophoretic coating tank which is filled with water and diluted and has relatively low concentration to be used as an anode (or a cathode), arranging a cathode (or an anode) corresponding to the object in the tank, and depositing a uniform, fine and water-insoluble coating film on the surface of the object to be coated after direct current is conducted between the two electrodes for a period of time. The use of electrocoating is becoming more widespread with the needs of the industry.

The electrophoretic paint is prepared by crushing and dispersing pigment solid particles in a resin solution or emulsion by external force to form a uniform and fine suspension dispersion. And fully dispersing the mixed color paste of the suspension dispersion by using grinding dispersion equipment to obtain the pigment color paste. In the production process of the electrophoretic coating, the raw materials need to be uniformly mixed and emulsified by a stirring device.

According to the related technology, in the actual production process of the electrophoretic paint, the stirring devices of most manufacturers are simple in structure, raw materials of the electrophoretic paint cannot be fully mixed, and the using effect of the electrophoretic paint on an electrophoresis workpiece is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to make the stirring of electrophoresis coating raw materials mix more fully, this application provides an electrophoresis coating's agitating unit.

The application provides a agitating unit of electrophoresis coating adopts following technical scheme:

the utility model provides an electrophoretic coating's agitating unit, includes the cauldron body, the axis of rotation is worn to be equipped with at cauldron body top, the axis of rotation rotates with the cauldron body and is connected, the fixed stirring frame that is provided with in axis of rotation week side, the fixed stirring storehouse that is provided with of one end that the axis of rotation was kept away from to the stirring frame, a plurality of first through-holes have been seted up to stirring storehouse lateral wall, cauldron body top still is provided with and is used for driving axis of rotation pivoted drive assembly.

Through adopting above-mentioned technical scheme, when production electrophoretic coating, to the internal electrophoretic coating raw materials that adds of cauldron, open drive assembly, the drive axis of rotation rotates, drives the stirring frame and rotates, along with the rotation in stirring the storehouse, the electrophoretic coating raw materials is continuous to be passed in and out from the first through-hole in stirring the storehouse, has changed electrophoretic coating's stirring direction to it is more abundant to make the electrophoretic coating raw materials mix, improves the quality of the electrophoretic coating who makes.

Preferably, the driving assembly comprises a first driving motor fixedly arranged at the top of the kettle body, a first belt pulley fixedly arranged at the output end of the first driving motor, and a second belt pulley fixedly arranged at one end of the rotating shaft outside the kettle body, wherein the first belt pulley and the second belt pulley are connected through a belt.

Through adopting above-mentioned technical scheme, add the electrophoresis coating raw materials after the cauldron body, open first driving motor, the first belt pulley of drive rotates, drives the second belt pulley through the belt and rotates to make the axis of rotation rotate, make the stirring frame stir the mixture to the electrophoresis coating raw materials.

Preferably, a plurality of baffles are fixedly arranged on the inner side wall of the kettle body.

Through adopting above-mentioned technical scheme, when the electrophoretic coating raw materials stirring, high-speed pivoted raw materials liquid bumps and touches the baffle, and the stirring speed of raw materials liquid reduces, and simultaneously, the stirring direction of raw materials liquid also changes to make the more abundant mixture of raw materials liquid, improved stirring effect.

Preferably, the baffle is a wave plate, and the side wall of the baffle is provided with a plurality of second through holes.

Through adopting above-mentioned technical scheme, set up the baffle into wave plate, can improve the area of contact of baffle and raw materials liquid on the one hand, on the other hand, when raw materials liquid stirring striking wave plate lateral wall, the stirring direction of raw materials liquid can take place to change many times, simultaneously, after some raw materials liquid passed the second through-hole, its stirring direction changed once more to further improve the stirring effect of raw materials liquid, make the stirring of raw materials liquid more abundant.

Preferably, the bottom of the kettle body is communicated with a return pipe for returning the electrophoretic coating, and the return pipe is provided with a discharge pipe and a return pump.

Through adopting above-mentioned technical scheme, when stirring raw materials liquid, partial precipitate can appear in cauldron body bottom to influence the stirring effect of raw materials liquid, through setting up the backwash tank, will be in the raw materials liquid of cauldron body bottom and flow back again to cauldron body top layer or middle level, realized the circulation of the internal raw materials liquid of cauldron, make raw materials liquid intensive mixing, improve the stirring effect of raw materials liquid.

Preferably, a liquid outlet pipeline is arranged in the rotating shaft, a plurality of third through holes are formed in the side wall of the rotating shaft, the third through holes are communicated with the liquid outlet pipeline, and one end, far away from the bottom of the kettle body, of the return pipe is rotatably connected with the end part of the rotating shaft.

Through adopting above-mentioned technical scheme, when electrophoretic coating production, will be in the raw materials liquid of cauldron body bottom and flow back to cauldron body top through the back flow, raw materials liquid gets into out the liquid pipeline from the back flow in, from the blowout of third through hole, along with the rotation of axis of rotation, raw materials liquid can be more even spray to the cauldron internal to improve the dispersibility of each component in the raw materials liquid, make the stirring of raw materials liquid more abundant thoroughly.

Preferably, the backflow pipe is further provided with a stirring box in a communicated manner, the side wall of the stirring box is provided with a stirring shaft in a rotating manner, the stirring shaft is provided with a plurality of blades, the side wall of the stirring box is provided with a second driving motor, and the output end of the second driving motor is fixedly connected with the stirring shaft.

Through adopting above-mentioned technical scheme, when electrophoretic coating production, the cauldron body bottom probably has the precipitate and causes the stirring of raw materials liquid insufficient, and at the in-process of backward flow, the raw materials liquid flows back to the cauldron internal after further stirring in the agitator tank, has reduced the precipitate content in the raw materials liquid to make raw materials liquid can the intensive mixing, make the electrophoretic coating who makes have better quality.

Preferably, one end of the paddle, which is far away from the stirring shaft, is fixedly provided with a plurality of inclined plates.

Through adopting above-mentioned technical scheme, at the in-process of feed liquor backward flow, the (mixing) shaft drives the paddle rotation, through setting up the swash plate, increases the shearing action of paddle to feed liquor, further reduces the sediment material in the feed liquor, breaks up the feed liquor fully, makes the stirring more abundant.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the stirring device, the stirring bin is arranged, the plurality of first through holes are formed in the side wall of the stirring bin, when raw material liquid is stirred, the raw material liquid continuously enters and exits from the first through holes of the stirring bin, the stirring direction of the raw material liquid is changed, the stirring speed is properly slowed down, and therefore the raw material liquid can be more fully mixed;

2. by arranging the baffle, the direction of the raw material liquid is changed after the raw material liquid close to the inner side wall of the kettle body touches the baffle in the stirring process, so that the raw material liquid is fully mixed, and the mixing effect is improved;

3. this application is through setting up the agitator tank, when the backward flow, further stirs raw materials liquid to make the sediment stirring dispersion in the cauldron body bottom raw materials liquid, the reduction causes the uneven condition of distribution of electrophoresis coating composition to take place because of there being the sediment.

Drawings

FIG. 1 is a schematic view showing the overall configuration of an apparatus for stirring an electrodeposition paint in an embodiment of the present application;

FIG. 2 is a schematic partial cross-sectional view of a kettle body in the embodiment of the application;

FIG. 3 is a schematic sectional view of a portion of a stirring box in an embodiment of the present application.

Reference numerals: 1. a kettle body; 2. a rotating shaft; 3. a stirring frame; 4. a stirring bin; 5. a first through hole; 6. a first drive motor; 7. a first pulley; 8. a second pulley; 9. a belt; 10. a baffle plate; 11. a second through hole; 12. a return pipe; 13. a discharge pipe; 14. a reflux pump; 15. a liquid outlet pipeline; 16. a third through hole; 17. a stirring box; 18. a stirring shaft; 19. a paddle; 20. a second drive motor; 21. a sloping plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses electrophoretic paint's agitating unit. Referring to fig. 1 and 2, electrophoretic coating's agitating unit includes the cauldron body 1, and 1 top avris of the cauldron body intercommunication has the inlet pipe, and 1 top center of the cauldron body rotates and is provided with axis of rotation 2, and axis of rotation 2 runs through the setting of 1 roof of the cauldron body, and 1 top of the cauldron body still is provided with and is used for driving 2 pivoted drive assembly of axis of rotation. The welding has square stirring frame 3 on the axis of rotation 2 is located the lateral wall of the cauldron body 1, and stirring frame 3 keeps away from the fixed stirring storehouse 4 that is provided with of one end of axis of rotation 2, and a plurality of first through-holes 5 have all been seted up to the lateral wall in stirring storehouse 4. The bottom of the kettle body 1 is communicated with a return pipe 12, a liquid outlet pipeline 15 is arranged in the rotating shaft 2, one end, far away from the bottom of the kettle body 1, of the return pipe 12 is communicated with the liquid outlet pipeline 15, and a plurality of third through holes 16 are formed in the side wall of the rotating shaft 2. The return pipe 12 is provided with a discharge pipe 13 and a return pump 14 in sequence along the return direction of the raw material liquid, and the discharge pipe 13 is provided with a valve.

Referring to fig. 1, the driving assembly comprises a first driving motor 6 fixedly arranged on the top side of the kettle body 1, a first belt pulley 7 is fixedly arranged on an output shaft of the first driving motor 6, a second belt pulley 8 is fixedly arranged at one end of the rotating shaft 2, which is positioned outside the kettle body 1, and the first belt pulley 7 is in transmission connection with the second belt pulley 8 through a belt 9.

When the raw materials of the electrophoretic coating are stirred, the first driving motor 6 is started to drive the rotating shaft 2 to rotate, the raw material liquid is stirred, the reflux pump 14 is started, the raw material liquid at the bottom of the kettle body 1 flows back to the liquid outlet channel and is sprayed out from the third through hole 16, the generation of sediments at the bottom of the kettle body 1 is reduced, the raw material liquid is stirred more fully, and the quality of the prepared electrophoretic coating is improved.

Referring to fig. 1 and 3, the return pipe 12 is further provided with a stirring box 17, a stirring shaft 18 is rotatably arranged on a side wall of the stirring box 17, a plurality of blades 19 are fixedly arranged on an outer side wall of the stirring shaft 18 in the stirring box 17, one ends of the blades 19 far away from the stirring shaft 18 are fixedly provided with a plurality of inclined plates 21, a second driving motor 20 is arranged outside the stirring box 17, and an output shaft of the second driving motor 20 is fixedly connected with the stirring shaft 18. When the raw material liquid flows back, the raw material liquid is further stirred in the stirring tank 17, so that the precipitates in the raw material liquid are reduced, and the raw material liquid is more sufficiently stirred.

Referring to fig. 2, in order to further improve the stirring effect of the raw material liquid of the electrophoretic paint and improve the quality of the prepared electrophoretic paint, a plurality of wavy baffles 10 are fixedly arranged on the inner side wall of the kettle body 1, and a plurality of second through holes 11 are formed in the side wall of each baffle 10.

The implementation principle of the stirring device for the electrophoretic coating in the embodiment of the application is as follows: let in the electrophoretic coating raw materials from the inlet pipe, it is rotatory to open first driving motor 6 and drive axis of rotation 2, and agitator frame 3 stirs raw materials liquid with stirring storehouse 4, opens backwash pump 14 and second driving motor 20, flows back the raw materials liquid of the 1 bottom of the cauldron body to the 1 top of the cauldron body or middle part to further stir the reflux in agitator tank 17, reduce the precipitate content in the reflux, make the stirring of raw materials liquid more abundant.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electrophoretic coating's agitating unit, a serial communication port, including the cauldron body (1), axis of rotation (2) are worn to be equipped with at cauldron body (1) top, axis of rotation (2) rotate with the cauldron body (1) and are connected, fixed stirring frame (3) that are provided with in axis of rotation (2) week side, the fixed stirring storehouse (4) that is provided with of one end of axis of rotation (2) is kept away from in stirring frame (3), a plurality of first through-holes (5) have been seted up to stirring storehouse (4) lateral wall, cauldron body (1) top still is provided with and is used for driving axis of rotation (2) pivoted drive assembly.

2. The stirring device for electrophoretic paint as claimed in claim 1, wherein the driving assembly comprises a first driving motor (6) fixedly disposed at the top of the kettle body (1), a first belt pulley (7) fixedly disposed at an output end of the first driving motor (6), and a second belt pulley (8) fixedly disposed at one end of the rotating shaft (2) located outside the kettle body (1), and the first belt pulley (7) and the second belt pulley (8) are connected through a belt (9).

3. The electrophoretic paint stirring apparatus as claimed in claim 1, wherein a plurality of baffles (10) are fixedly arranged on the inner side wall of the kettle body (1).

4. The stirring apparatus for electrophoretic paint as claimed in claim 3, wherein the baffle (10) is a corrugated plate, and the side wall of the baffle (10) is provided with a plurality of second through holes (11).

5. The stirring device for electrophoretic paint according to claim 1, wherein a return pipe (12) for returning electrophoretic paint is arranged at the bottom of the kettle body (1), and a discharge pipe (13) and a return pump (14) are arranged on the return pipe (12).

6. The stirring device for electrophoretic paint according to claim 5, wherein a liquid outlet pipe (15) is formed in the rotating shaft (2), a plurality of third through holes (16) are formed in a side wall of the rotating shaft (2), the third through holes (16) are communicated with the liquid outlet pipe (15), and one end of the return pipe (12) far away from the bottom of the kettle body (1) is rotatably connected with the end of the rotating shaft (2).

7. The electrophoretic paint stirring apparatus as claimed in claim 6, wherein the return pipe (12) is further provided with a stirring box (17), a stirring shaft (18) is rotatably provided on a side wall of the stirring box (17), the stirring shaft (18) is provided with a plurality of blades (19), a second driving motor (20) is provided on a side wall of the stirring box (17), and an output end of the second driving motor (20) is fixedly connected with the stirring shaft (18).

8. The electrophoretic paint stirring apparatus as claimed in claim 7, wherein the end of the paddle (19) away from the stirring shaft (18) is fixedly provided with a plurality of inclined plates (21).