WO2019104610A1

WO2019104610A1 - Preparation device for thermally stable spray coating and preparation method

Info

Publication number: WO2019104610A1
Application number: PCT/CN2017/113840
Authority: WO
Inventors: 沈培培
Original assignee: 惠州市永明丰实业有限公司
Priority date: 2017-11-30
Filing date: 2017-11-30
Publication date: 2019-06-06

Abstract

A preparation device for a thermally stable spray coating, comprising a tank body (7), base legs (11), a feed pipe (16) and a discharge pipe (18); the base legs (11) are arranged around a bottom surface of the tank body (7); a middle part of the base legs (11) is provided with a pump base (10); a vacuum pump (9) is disposed on the pump base (10); and a vacuum pumping pipeline (8) is disposed at the end part of the vacuum pump (9). A temperature control feedback loop composed of a temperature sensor (26), control host (5) and electric heating plate (25) and a feedback control loop composed of a vacuum sensor (23), the control host (5) and the vacuum pump (9) may carry out a stirring reaction on raw materials in a constant-temperature vacuum environment; at the same time, a color sensor (27) is provided, which may, when adjusting colors, monitor color information in real time in order to acquire a required color; and an infrared camera (21) is provided, which may acquire in real time video information of preparation progress in the device and display the information on a display screen (4).

Description

Thermal stable spray coating preparation device and preparation method thereof

Technical field

The invention relates to the technical field of heat stable spray coating production, in particular to a heat stable spray coating preparation device and a preparation method thereof.

Background technique

Paint, traditionally known in China as paint, is a continuous film that is applied to the surface of a protected or decorated object and that forms a strong bond with the object to be coated, usually based on resin, oil, or emulsion. Adding or not adding pigments, fillers, adding appropriate additives, viscous liquids prepared with organic solvents or water, the more authoritative "painting process" book in the Chinese coating industry is defined as: "Coating is a material, This material can be applied to the surface of the object by different construction processes to form a solid film with strong adhesion and strength and continuousness. The film thus formed is called a coating film, also known as a paint film or a coating, and the heat stable spray coating is used. It is one of the coatings and has good heat resistance.

However, under the traditional circumstances, the heat stable spray coating preparation device often adopts a simple mixing and agitation production mode, and the quality of the produced paint is generally affected, which affects normal use.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a heat stable spray coating preparation apparatus and a preparation method thereof in order to solve the above problems.

The present invention achieves the above objects by the following technical solutions:

According to an aspect of the present invention, there is provided a heat stable spray coating preparation apparatus comprising a can body, a foot, a feed pipe and a discharge pipe, the foot being provided around the bottom surface of the can body, the foot a pumping seat is disposed in the middle portion, a vacuum pump is disposed on the pumping seat, a vacuuming pipeline is disposed at an end of the vacuum pump, a solenoid valve 2 is disposed at an end of the vacuuming pipeline, and the outlet is disposed at a side of the pumping seat a material pipe, a discharge valve is disposed on the discharge pipe, and a motor base is disposed in a middle portion of the top surface of the tank body, and the motor base is adjacent to the motor The inlet side is provided with a liquid inlet pipe, the inner side of the liquid inlet pipe is provided with a pipe plug, and the other side of the motor frame is provided with the feeding pipe, and the feeding pipe is provided with an end cover, the motor frame The top surface is provided with a speed reducer, the end of the speed reducer is provided with a servo motor, the bottom of the reducer is provided with a rotating shaft, the outer side of the rotating shaft is provided with a stirring blade, and the stirring blade is provided with a fixing bracket on the side, the stirring a temperature sensor is disposed on the blade, a vacuum sensor is disposed on the side of the temperature sensor, a color sensor is disposed on the bottom surface of the agitating blade, a flow sensor is disposed on an inner bottom surface of the can body, and an electric heating is disposed on an inner side surface of the can body a plate, the other side of the inner side of the can body is provided with a mounting frame, the mounting frame is provided with an infrared camera, the inner side of the can body is provided with a corrosion-resistant layer, and the anti-corrosion layer is provided with a heat-resistant layer on the side thereof. The heat-resistant layer is disposed on the side of the heat-resistant layer, and the surface of the tank body is provided with a control host. The control host is provided with a display screen, and a control keyboard is disposed on the side of the display screen.

In this embodiment, the number of the feet is four, the material of the foot is cast iron, the pump seat is welded on the foot, and the flow rate of the vacuum pump is not less than 10 L/min.

In this embodiment, the material of the vacuuming pipeline is aluminum alloy, the wall thickness of the vacuuming pipeline is not less than 2 mm, and the response time of the electromagnetic valve 2 and the electromagnetic valve 1 is not more than 1 s. The solenoid valve 2 is fixed to the vacuuming line by a screw member, and the solenoid valve is fixed to the discharge pipe by a screw.

In this embodiment, the material of the liquid inlet tube is an aluminum alloy, and the liquid inlet tube is fixed in the tank body by screws. The material of the tube plug is tempered rubber, and the tube plug is inserted into the tube. The liquid pipe is mated, the material of the feeding pipe is aluminum alloy, the wall thickness of the liquid inlet pipe and the feeding pipe are the same, and the end cap is fixed on the feeding pipe by a rotating pin.

In this embodiment, the speed reducer is a two-stage gear reducer, the rated speed of the servo motor is 720 Rpm, the insulation level of the servo motor is F-class, and the cross-sectional shape of the rotating shaft is circular or square In one of the shapes, the rotating shaft and the speed reducer are connected by a coupling.

In this embodiment, the material of the agitating blade is high-speed steel, the number of the agitating blades is not less than two, the fixing frame is slidably connected with the rotating shaft, and the continuous working time of the temperature sensor does not exceed 4 hours. , the work interval is not less than 15min.

In this embodiment, the operating refresh rate of the vacuum sensor is not less than 60 Hz, the repeatability error of the color sensor is not higher than 0.01, and the flow sensor operates in a piezoelectric mode.

In this embodiment, the electric heating plate works in a radiant mode, the electric heating plate has a rated power of 1200 W, and the infrared camera has a resolution of not less than 720 P.

In this embodiment, the material of the corrosion resistant layer is polyurethane, the thickness of the corrosion resistant layer is not less than 6 mm, the material of the heat resistant layer is silicon carbide, and the thickness of the heat resistant layer is not less than 8 mm. The connection between the heat-resistant layer and the corrosion-resistant layer is glued.

In this embodiment, the material of the heat insulating layer is foamed rubber, the thickness of the heat insulating layer is not less than 12 mm, and the connection manner of the heat insulating layer and the heat resistant layer is glued.

In this embodiment, the model of the control host is PLC S7-1200, the material of the display screen is IPS, the resolution of the display screen is not lower than 720P, and the control keyboard is embedded in the control host. on.

In this embodiment, the control host and the display screen, the vacuum pump, the servo motor, the solenoid valve, the infrared camera, the vacuum sensor, the solenoid valve, the A temperature sensor, the electric heating plate, the color sensor, the flow sensor, and the control keyboard are electrically connected.

The preparation method of the above heat stable spray coating preparation device comprises the following steps:

(1) opening the tube plug, adding a certain mass of the silicone resin liquid to the tank body through the liquid inlet tube, and then opening the end cap to a certain mass fraction of anatase Type titanium dioxide is added to the can body through the feed tube, closing the pipe plug and the end cap;

(2) setting a predetermined heating temperature value by the control keyboard, the control host recording predetermined heating Temperature value and controlling the operation of the electric heating plate to heat the raw material in the tank body, and the temperature sensor obtains temperature information in the tank body in real time and displays on the display screen for observation and understanding;

(3) the control host control temperature information is compared with the predetermined heating temperature value in real time, and the temperature of the electric heating plate is adjusted to control the tank body to reach a constant temperature environment;

(4) transmitting a mixing and stirring work command through the control keyboard, the control host controls the servo motor to drive the speed reducer to operate, and the speed reducer drives the stirring blade to rotate through the rotating shaft to the can body The silicone resin liquid and the anatase type titanium dioxide are mixed and stirred uniformly;

(5) after the stirring and mixing is completed, setting a predetermined vacuum degree value through the control keyboard, the control host records a predetermined vacuum degree value and controls the vacuum pump operation and the electromagnetic valve two to open, through the vacuuming pipeline Vacuuming the can body, and the vacuum degree sensor works to obtain the vacuum degree information in the can body in real time and display on the display screen for observation and understanding;

(6) The control host controls the vacuum degree information to perform real-time comparison with the predetermined vacuum degree value, and when the predetermined vacuum degree value is reached, the control host controls the electromagnetic valve 2 and the vacuum pump to be closed, and the can body reaches a vacuum surroundings;

(7) The reaction is allowed to stand for a period of time, generally not lower than 15 minutes, after which the plug is opened to balance the pressure in the can body, and then the toner is introduced into the can body through the liquid inlet tube, and the control center is controlled. The servo motor drives the stirring blade to stir the material in the tank;

(8) controlling the color sensor by the control keyboard to obtain color information of the product coating in the can body in real time and displaying on the display screen to observe whether the color information meets the requirements, and if not, the The inlet tube continues to add toner and is stirred;

(9) controlling the flow sensor operation by the control keyboard and controlling the discharge of the product paint by opening the solenoid valve, the flow sensor acquiring the flow rate information at the discharge pipe in real time and converting through the control host For the real-time discharge amount, the statistical record is displayed on the display screen, and the discharge is completed. After closing the solenoid valve one;

(10) stopping the cleaning of the tank body, and in the whole preparation process, the video information of the preparation progress in the tank body can be obtained in real time by controlling the operation of the infrared camera, and the real-time display on the display screen is performed for observation and understanding. Easy to grasp the entire preparation process.

The utility model has the advantages that: a temperature control feedback loop composed of a temperature sensor, a control host and an electric heating plate, a vacuum degree sensor, a feedback control loop composed of a control host and a vacuum pump, can stir the raw materials in a constant temperature vacuum environment, and simultaneously set There is a color sensor, which can monitor the color information in real time during the grading, in order to obtain the required color, and is provided with an infrared camera, which can acquire the video information of the preparation progress in the device in real time and display it on the display screen, so that the user can accurately grasp the preparation. The progress ensures the production quality of the heat-stable spray coating and is conducive to wide-scale promotion.

DRAWINGS

1 is a front exterior view of a heat stable spray coating preparation apparatus according to the present invention;

Figure 2 is a front elevational view of the heat stable spray coating preparation apparatus of the present invention;

Figure 3 is a top cross-sectional view of a heat stable spray coating preparation apparatus according to the present invention;

4 is a top plan view of a heat stable spray coating preparation apparatus according to the present invention.

1, motor base; 2, pipe plug; 3, liquid inlet pipe; 4, display; 5, control host; 6, control keyboard; 7, tank; 8, vacuum line; 9, vacuum pump; Seat; 11, foot; 12, servo motor; 13, reducer; 14, shaft; 15, end cover; 16, feed pipe; 17, solenoid valve; 18, discharge pipe; 19, mixing blade; , mounting frame; 21, infrared camera; 22, fixed frame; 23, vacuum sensor; 24, solenoid valve 2; 25, electric heating plate; 26, temperature sensor; 27, color sensor; 28, flow sensor; Corrosion layer; 30, heat-resistant layer; 31, insulation layer.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

As shown in FIGS. 1-4, according to an aspect of the present invention, there is provided a heat stable spray coating preparation apparatus comprising a can body 7, a foot 11, a feed pipe 16, and a discharge pipe 18, the can body The foot 11 is disposed around the bottom surface of the bottom portion of the bottom portion of the bottom portion 11 of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion of the bottom portion The end of the vacuum line 8 is provided with a solenoid valve 24, and the discharge tube 18 is disposed on the side of the pump base 10. The discharge tube 18 is provided with a solenoid valve 17 on the top surface of the tank body 7. The motor base 1 is provided, and the inlet of the motor base 1 is provided with a liquid inlet pipe 3, and the inside of the liquid inlet pipe 3 is provided with a pipe plug 2, and the other side of the motor frame 1 is provided with the feed The tube 16 is provided with an end cover 15 on the top of the feed tube 16 . The top surface of the motor base 1 is provided with a speed reducer 13 . The end of the reducer 13 is provided with a servo motor 12 , and the bottom of the reducer 13 is arranged. There is a rotating shaft 14 , and an agitating blade 19 is disposed outside the rotating shaft 14 , and a fixed frame 22 is disposed on a side of the stirring blade 19 , and the stirring blade 19 is provided with a temperature thereon a degree sensor 26, a vacuum degree sensor 23 is disposed on the side of the temperature sensor 26, a color sensor 27 is disposed on the bottom surface of the stirring blade 19, and a flow sensor 28 is disposed on the inner bottom surface of the can body 7, and the inner side of the can body 7 An electric heating plate 25 is disposed, and the other side of the can body 7 is provided with a mounting frame 20, and the mounting frame 20 is provided with an infrared camera 21, and the inner side of the can body 7 is provided with a corrosion resistant layer 29, which is resistant to A heat-resistant layer 30 is disposed on the side of the layer of the heat-resistant layer 30. The heat-resistant layer 31 is disposed on the side of the heat-resistant layer 30. The surface of the tank body 7 is provided with a control host 5, and the control panel 5 is provided with a display screen 4. A control keyboard 6 is disposed on the side of the display screen 4.

In the present embodiment, the number of the feet 11 is four, the material of the foot 11 is cast iron, the pump base 10 is welded on the foot 11, and the flow rate of the vacuum pump 9 is not lower than 10L/min.

In this embodiment, the material of the vacuuming pipeline 8 is aluminum alloy, the wall thickness of the vacuuming pipeline 8 is not less than 2 mm, and the response time of the solenoid valve 24 and the solenoid valve 17 is not More than 1 s, the solenoid valve 24 is fixed to the evacuation line 8 by a screw member, and the solenoid valve 17 is fixed to the discharge tube 18 by a screw.

In this embodiment, the material of the liquid inlet tube 3 is an aluminum alloy, and the liquid inlet tube 3 is fixed in the tank body 7 by screws. The material of the tube plug 2 is tempered rubber, and the tube is made of tempered rubber. The plug 2 is mated with the inlet pipe 3, the material of the feeding pipe 16 is aluminum alloy, the wall thickness of the inlet pipe 3 and the feeding pipe 16 are the same, and the end cap 15 passes the rotating pin. A shaft is fixed to the feed tube 16.

In the embodiment, the speed reducer 13 is a two-stage gear reducer, the rated speed of the servo motor 12 is 720 Rpm, the insulation level of the servo motor 12 is F-class, and the cross-sectional shape of the rotating shaft 14 is a circle. One of a shape or a regular octagon, the shaft 14 and the speed reducer 13 are connected by a coupling.

In this embodiment, the material of the agitating blade 19 is high-speed steel, the number of the agitating blades 19 is not less than two, the fixing frame 22 is slidably connected with the rotating shaft 14, and the temperature sensor 26 is continuous. The working time is no more than 4h, and the working interval is not less than 15min.

In the embodiment, the operating refresh frequency of the vacuum sensor 23 is not less than 60 Hz, the repeating error of the color sensor 27 is not higher than 0.01, and the operating mode of the flow sensor 28 is piezoelectric.

In this embodiment, the electric heating plate 25 operates in a radiant manner, the electric heating plate 25 has a rated power of 1200 W, and the infrared camera 21 has a resolution of not less than 720 P.

In this embodiment, the material of the anti-corrosion layer 29 is polyurethane, the thickness of the anti-corrosion layer 29 is not less than 6 mm, the material of the heat-resistant layer 30 is silicon carbide, and the thickness of the heat-resistant layer 30. The heat-resistant layer 30 is connected to the corrosion-resistant layer 29 in a manner of not less than 8 mm.

In this embodiment, the material of the heat insulating layer 31 is foamed rubber, the thickness of the heat insulating layer 31 is not less than 12 mm, and the connection manner of the heat insulating layer 31 and the heat-resistant layer 30 is glued.

In this embodiment, the model of the control host 5 is PLC S7-1200, the material of the display screen 4 is IPS, the resolution of the display screen 4 is not lower than 720P, and the control keyboard 6 is embedded in the The control host 5 is on.

In this embodiment, the control host 5 and the display screen 4, the vacuum pump 9, the servo motor 12, the solenoid valve 17, the infrared camera 21, the vacuum sensor 23, The solenoid valve 24, the temperature sensor 26, the electric heating plate 25, the color sensor 27, the flow sensor 28, and the control keyboard 6 are electrically connected.

(1) opening the plug 2, adding a certain mass of the silicone resin liquid into the can body 7 through the liquid inlet tube 3, and then opening the end cap 15 to a certain mass part a number of anatase type titanium dioxide is introduced into the can body 7 through the feed pipe 16, closing the pipe plug 2 and the end cap 15;

(2) setting a predetermined heating temperature value by the control keyboard 6, the control host 5 recording a predetermined heating temperature value and controlling the operation of the electric heating plate 25 to heat the raw material in the can body 7, while the temperature The sensor 26 acquires the temperature information in the can body 7 in real time and displays it on the display screen 4 for observation and understanding;

(3) The control host 5 controls the temperature information to be compared with the predetermined heating temperature value in real time, and adjusts the temperature of the electric heating plate 25 to control the temperature inside the can body 7 to reach a constant temperature environment;

(4) transmitting a mixing and stirring work command through the control keyboard 6, the control host 5 controls the servo motor 12 to drive the speed reducer 13 to operate, and the speed reducer 13 drives the stirring blade 19 through the rotating shaft 14. Rotating to mix and stir the silicone resin liquid and the anatase type titanium dioxide in the can body 7;

(5) After the stirring and mixing is completed, a predetermined vacuum degree value is set by the control keyboard 6, the control host 5 records a predetermined vacuum degree value and controls the operation of the vacuum pump 9 and the solenoid valve 24 to open. Vacuuming the pipeline 8 to vacuum the inside of the can body 7, while the vacuum degree sensor 23 works to acquire the vacuum degree information in the can body 7 in real time and display it on the display screen 4 for observation and understanding;

(6) The control host 5 controls the vacuum degree information to be compared with the predetermined vacuum degree value in real time, and when the predetermined vacuum degree value is reached, the control host 5 controls the solenoid valve 24 and the vacuum pump 9 to be closed. A vacuum environment is reached in the can body 7;

(7) allowing the reaction to stand for a period of time, generally not lower than 15 minutes, after which the plug 2 is opened to balance the pressure in the can body 7, and then the toner is added to the can through the inlet pipe 3. 7 , simultaneously controlling the servo motor 12 to drive the stirring blade 19 to stir the material in the can body 7;

(8) controlling the color sensor 27 by the control keyboard 6 to obtain the color information of the product paint in the can body 7 in real time and displaying it on the display screen 4, observing whether the color information meets the requirements, if not meeting the requirements , the toner can be continuously added through the inlet pipe 3 and stirred;

(9) controlling the flow sensor 28 to operate by the control keyboard 6 and controlling the solenoid valve 17 to open for discharging the product paint, the flow sensor 28 acquiring the flow information at the discharge pipe 18 in real time and passing The control host 5 converts the real-time discharge amount to the display screen 4 for statistical recording, after the discharge is completed, the solenoid valve 17 is closed;

(10) stopping the cleaning of the inside of the can body 7. At the same time, in the whole preparation process, the video information of the preparation progress in the can body 7 can be obtained in real time by controlling the operation of the infrared camera 21 and on the display screen 4 The real-time display is used for observation and understanding, which is convenient for grasping the entire preparation process.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and that the present invention is only described in the foregoing description and the description of the present invention, without departing from the spirit and scope of the invention. Various changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and their claims.

Claims

A heat stable spray coating preparation device, comprising: a tank body (7), a foot (11), a feed pipe (16) and a discharge pipe (18), the bottom of the tank body (7) is arranged There is a foot (11), a pump seat (10) is disposed in a middle portion of the foot (11), a vacuum pump (9) is disposed on the pump seat (10), and an end of the vacuum pump (9) is disposed An evacuation line (8) is provided at the end of the pumping line (8) with a solenoid valve 2 (24), and the discharge tube (18) is disposed beside the pump seat (10), the discharge tube A solenoid valve (17) is disposed on the tube (18), a motor base (1) is disposed in a middle portion of the top surface of the tank body (7), and a liquid inlet tube is disposed on a side of the motor base (1) (3) a pipe plug (2) is disposed inside the inlet pipe (3), and the feeding pipe (16) is disposed on the other side of the motor frame (1), and the feeding pipe (16) is above An end cover (15) is disposed, a top surface of the motor base (1) is provided with a speed reducer (13), and a end of the speed reducer (13) is provided with a servo motor (12), the speed reducer (13) a rotating shaft (14) is disposed at a bottom portion thereof, and an agitating blade (19) is disposed outside the rotating shaft (14), and a fixing frame (22) is disposed at a side of the stirring blade (19). a temperature sensor (26) is disposed on the stirring blade (19), a vacuum sensor (23) is disposed beside the temperature sensor (26), and a color sensor (27) is disposed on a bottom surface of the stirring blade (19), A flow sensor (28) is disposed on an inner bottom surface of the can body (7), an electric heating plate (25) is disposed on an inner side of the can body (7), and a mounting bracket is disposed on the other side of the can body (7). The mounting frame (20) is provided with an infrared camera (21), the inside of the can body (7) is provided with a corrosion resistant layer (29), and the corrosion resistant layer (29) is provided with a heat resistant layer on the side thereof. (30) a heat insulating layer (31) is disposed on a side of the heat-resistant layer (30), a surface of the tank body (7) is provided with a control host (5), and a display screen is disposed on the control host (5) (4) A control keyboard (6) is disposed on the side of the display screen (4).
A heat stable spray coating preparation apparatus according to claim 1, wherein the number of the feet (11) is four, and the material of the foot (11) is cast iron, and the pump base ( 10) Welding on the foot (11), the flow rate of the vacuum pump (9) is not less than 10 L/min.
The apparatus for preparing a thermally stable spray coating according to claim 1, wherein the material of the vacuuming pipe (8) is an aluminum alloy, and the wall thickness of the vacuuming pipe (8) is not less than 2 mm. The solenoid valve two (24) and the solenoid valve one (17) have an action response time of less than 1 s, and the solenoid valve two (24) is fixed to the vacuuming line (8) by a screw member, A solenoid valve (17) is fixed to the discharge pipe (18) by a screw.
The apparatus for preparing a thermally stable spray coating according to claim 1, wherein the inlet pipe (3) is made of an aluminum alloy, and the inlet pipe (3) is screwed to the can body. (7) The material of the pipe plug (2) is a tempered rubber, the pipe plug (2) is mated with the inlet pipe (3), and the material of the feeding pipe (16) is aluminum. The alloy, the inlet pipe (3) and the feed pipe (16) have the same wall thickness, and the end cap (15) is fixed to the feed pipe (16) by a rotating pin.
The apparatus for preparing a thermally stable spray coating according to claim 1, wherein the speed reducer (13) is a two-stage gear reducer, and the rated speed of the servo motor (12) is 720 Rpm, the servo The motor (12) has an insulation class of F, the cross-sectional shape of the shaft (14) is one of a circular shape or a regular octagon, and the rotating shaft (14) and the speed reducer (13) pass through the coupling. connection.
The apparatus for preparing a thermally stable spray coating according to claim 1, wherein the agitating blade (19) is made of high speed steel, and the number of the agitating blades (19) is not less than two. The fixing frame (22) is slidably connected to the rotating shaft (14), and the continuous working time of the temperature sensor (26) is no more than 4 hours, and the working interval is not less than 15 minutes.
The apparatus for preparing a thermally stable spray coating according to claim 1, wherein the vacuum refresh sensor (23) has a working refresh frequency of not less than 60 Hz, and the color sensor (27) has a low repeatability error. At 0.01, the flow sensor (28) operates in a piezoelectric mode.
The apparatus for preparing a thermally stable spray coating according to claim 1, wherein the electric heating plate (25) operates in a radiant manner, and the electric heating plate (25) has a rated power of 1200 W. The resolution of the infrared camera (21) is not lower than 720P.
The apparatus for preparing a heat-stable spray coating according to claim 1, wherein the material of the corrosion-resistant layer (29) is polyurethane, and the thickness of the corrosion-resistant layer (29) is not less than 6 mm. The material of the heat-resistant layer (30) is silicon carbide, the thickness of the heat-resistant layer (30) is not less than 8 mm, and the connection manner of the heat-resistant layer (30) and the corrosion-resistant layer (29) is glued. .
A preparation method of a heat stable spray coating preparation device, comprising: the following steps:

(1) opening the plug (2), adding a certain mass of the silicone resin liquid into the can body (7) through the inlet pipe (3), and then the end cap ( 15) opening, adding a certain mass fraction of anatase type titanium dioxide into the can body (7) through the feeding tube (16), closing the tube plug (2) and the end cap ( 15);

(2) setting a predetermined heating temperature value by the control keyboard (6), the control host (5) recording a predetermined heating temperature value and controlling the operation of the electric heating plate (25) in the can body (7) The raw material is heated, and the temperature sensor (26) obtains the temperature information in the can body (7) in real time and displays it on the display screen (4) for observation and understanding;

(3) The control host (5) controls the temperature information to be compared with the predetermined heating temperature value in real time, and controls the temperature of the electric heating plate (25) to control the temperature in the tank body (7) to reach a constant temperature environment;

(4) transmitting a mixing and stirring work command through the control keyboard (6), the control host (5) controls the servo motor (12) to drive the speed reducer (13) to operate, and the speed reducer (13) passes The rotating shaft (14) drives the stirring blade (19) to rotate to uniformly mix and stir the silicone resin liquid and the anatase type titanium white powder in the can body (7);

(5) After the stirring and mixing is completed, a predetermined vacuum degree value is set by the control keyboard (6), the control host (5) records a predetermined vacuum degree value and controls the operation of the vacuum pump (9) and the solenoid valve 2 (twenty four) Opening, vacuuming the inside of the can body (7) through the vacuuming line (8), and simultaneously operating the vacuum degree sensor (23) to obtain vacuum information in the can body (7) in real time. And displayed on the display screen (4) for observation;

(6) The control host (5) controls the vacuum degree information to be compared with the predetermined vacuum degree value in real time, and when the predetermined vacuum degree value is reached, the control host (5) controls the electromagnetic valve two (24) and the The vacuum pump (9) is closed, and the tank body (7) reaches a vacuum environment;

(7) The reaction is allowed to stand for a period of time, generally not lower than 15 minutes, after which the plug (2) is opened to balance the pressure in the can body (7), and then the toner is passed through the inlet tube (3) Adding to the tank body (7) while controlling the servo motor (12) to drive the stirring blade (19) to stir the material in the tank body (7);

(8) controlling the color sensor (27) by the control keyboard (6) to obtain color information of the product paint in the can body (7) in real time and displaying on the display screen (4) to observe color information. Whether it meets the requirements, if it does not meet the requirements, the toner can be continuously added and stirred through the liquid inlet pipe (3);

(9) controlling the flow sensor (28) to operate by the control keyboard (6) and controlling the solenoid valve (17) to open for discharge of product paint, the flow sensor (28) acquiring the discharge in real time. The flow rate information at the tube (18) is converted to a real-time discharge amount by the control host (5) and displayed on the display screen (4) for statistical recording. After the discharge is completed, the solenoid valve is closed (17). );

(10) stopping the cleaning of the tank body (7), and in the entire preparation process, the video information of the preparation progress in the tank body (7) can be obtained in real time by controlling the operation of the infrared camera (21) and Real-time display on the display screen (4) for observation and understanding, easy to grasp the entire preparation process.