CN206483661U - Spin coating flush coater - Google Patents

Abstract

The utility model discloses a kind of spin coating flush coater, including heating bucket, sample holder, dropping liquid atomization double purpose device and the drive device for driving heating bucket rotation, heater strip is wound with the heating bucket, sample holder is arranged in heating bucket, sample holder rotates with heating bucket, dropping liquid atomization double purpose device is arranged on the top of heating bucket, and dropping liquid atomization double purpose device, just to sample holder, it is hatch frame to heat the top of bucket and the top of sample holder.The utility model is using spin coating, spraying integrated device, using centrifugal principle, sample surfaces is formed one layer of uniform, stable film layer, improves final product quality.

Description

Spin coating machine

technical field

The utility model belongs to the technical field of material processing, in particular to a spin coating spraying machine.

Background technique

Coating machine is also known as spin coating machine, spin coating machine, spin coating machine, spin coating machine, spin coating machine, spin coating machine, vacuum coating machine. The homogenizer is suitable for microelectronics, semiconductors, plate making, new energy, biomaterials, optics, and surface coating processes. It is mainly used in the production of thin films in sol-gel experiments. Its working principle is to rotate the substrate at high speed and use centrifugal force Make the glue dripped on the substrate evenly spread on the substrate, the thickness depends on the viscosity coefficient between different glue and the substrate, and is also related to the rotation speed and time. It can be used in working conditions, enterprises, scientific research, education, etc. The unit is used for production, scientific research and teaching.

Spraying machine is a special coating equipment using spraying technology. The principle is to control the air flow to instantly push the air distribution reversing device to change direction, so that the piston of the air motor can perform stable and continuous reciprocating motion. The inhaled paint is pressurized, and the paint is delivered to the spray gun of the sprayer through the high-pressure hose, and the paint is atomized by the spray gun and released to the surface of the object to be coated. The spraying machine is mainly composed of a feeding device, a spray gun, and an atomization source, and is suitable for leather handbags, gift packaging, furniture, footwear, automobile manufacturing and other industries. The main working part of the spraying machine is a double-acting pneumatic-hydraulic booster pump, and the reversing mechanism is a special pilot-operated fully air-controlled air distribution reversing device. After entering the compressed air, when the piston moves to the upper or lower end of the cylinder, the upper pilot valve or the lower pilot valve is activated, and the air flow is controlled to instantly push the air distribution reversing device to change direction, so that the piston of the air motor performs stable and continuous reciprocating motion . Since the piston is rigidly connected to the plunger in the paint plunger pump, and the area of the piston is larger than that of the plunger, the inhaled paint is pressurized, and the pressurized paint is transported to the airless spray gun through a high-pressure hose, and finally The hydraulic pressure is released at the airless nozzle, and it is sprayed to the surface of the object to be coated after instantaneous atomization to form a coating layer.

In the prior art, whether it is a homogenizer or a spraying machine, each of them has a single function when acting alone, and consumes a lot of solution, high cost, and large volume, which is inconvenient for research and use in laboratories. Moreover, when the traditional method is used to form a film on the surface of the sample, the sample needs to be soaked for a long time. This method is time-consuming, labor-intensive, poor in effect, uneven in the film layer, and weak in binding force, and the quality of the finished product cannot meet the requirements.

This shows that the prior art needs to be further improved and improved.

Utility model content

In order to avoid the shortcomings of the above-mentioned prior art, the utility model provides a spin coating sprayer, which integrates spin coating and spray coating, and uses the principle of centrifugal force to form a layer of uniform and stable film on the surface of the sample. Improved finished product quality.

The technical scheme adopted in the utility model is:

Spin coating sprayer, including a heating barrel, a sample placement box, a dual-purpose device for dripping and atomizing, and a driving device that drives the heating barrel to rotate. The heating barrel is wound with a heating wire, and the sample placement box is set in the heating barrel. The box rotates together with the heating barrel, and the dual-purpose device for dripping and atomizing is set above the heating barrel, and the dual-purpose device for dropping and atomizing is facing the sample placement box, and the top of the heating barrel and the top of the sample placement box are both open structures.

The sample storage box includes a left side, a right side, a front side, a rear side and a bottom surface, and several through holes are evenly distributed on the left side, the right side, the front side, the rear side and the bottom surface respectively.

The heating barrel is provided with a drawer-type card slot for placing the sample placing box, and the side wall of the heating barrel is provided with an operation port for entering and exiting the sample placing box, and the operating port is provided with a handle for preventing the sample placing box from being thrown during the working process. out of the switch door.

The driving device includes a motor and a transmission mechanism, and the output shaft of the motor is connected with the heating barrel through the transmission mechanism.

The driving device also includes a speed governor, a speed detector and a control system, the speed governor and the speed detector are connected to the output shaft of the motor, and the speed detector transmits the detected speed of the motor output shaft to the control system in real time , the control system controls the speed of the motor output shaft through the governor according to the detected motor output shaft speed.

The dual-purpose device for dripping and atomizing includes a solution holding tank, a solution delivery pipe and a dual-purpose spraying nozzle for dropping and atomizing.

The drop and atomizer also includes a liquid flow sensor and a pressure regulator arranged in the solution delivery pipe, the liquid flow sensor is used to detect the solution flow rate in the solution delivery pipe, and the pressure regulator is used to adjust the fluid pressure in the solution delivery pipe .

The bottom of the heating barrel is provided with a solution collecting pipe communicating with it.

The spin coating sprayer also includes a power supply part for supplying electric power to the heating wire and the driving device.

The spin coating sprayer also includes a heating temperature control system, the heating temperature control system includes a temperature sensor, the temperature sensors are connected to the heating wire, and the temperature sensor is used to detect the temperature of the heating wire.

Owing to adopting above-mentioned technical scheme, the beneficial effect that the utility model obtains is:

1. The utility model adopts a spin-coating and spraying integrated device, and uses the principle of centrifugal force to form a uniform and stable film layer on the surface of the sample, which improves the quality of the finished product.

2. The dual-purpose device for dripping and atomizing in the utility model can save solution and cost. In the spraying mode, the dual-purpose device for dripping and atomizing sprays and atomizes the solution into fine particles so that it can be evenly distributed on the On the surface of the sample, a smooth, smooth and dense film is formed on the surface of the sample, without brush marks and rolling marks, which is incomparable to the traditional brush and roll coating film, which greatly improves the uniformity of the film.

3. The utility model uses a speed detector to detect the speed of the output shaft of the motor, and adjusts the speed of the motor in real time through the control system and the governor, so that the speed of the sample storage box gradually tends to be stable, which is beneficial to the uniformity of the film layer and ensures the quality of the uniform glue . In addition, the utility model has high rotational speed stability and fast start-up performance, which can ensure that the film layer on the surface of the sample is uniform, and the film thickness can be adjusted by adjusting the rotational speed of the output shaft of the motor.

4. The utility model puts the sample into the sample storage box, and the sample storage box is wrapped in the heating wire, and the solution on the surface of the sample is continuously heated by the heating wire to accelerate evaporation, so that more and faster solvents are attached to the sample surface, and the attached Good focus, long film life.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic structural view of the sample storage box in the present invention.

in,

1. Power supply part 2. Motor 3. Governor 4. Sample storage box 41. Through hole 5. Heating wire 6. Dual-purpose device for dripping and atomizing 7. Speed detector 8. Solution collection tube 9. Heating barrel

detailed description

The utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the utility model is not limited to these embodiments.

As shown in Figures 1 and 2, the spin coating sprayer includes a heating barrel 9, a sample placement box 4, a dual-purpose device for dripping and atomizing 6, and a driving device that drives the heating barrel 9 to rotate, and the heating barrel 9 is wound with The heating wire 5 is spirally wound along the heating barrel 9 . The spin coating sprayer also includes a power supply part 1 for supplying electric power to the heating wire 5 and the driving device. The spin coating sprayer also includes a heating temperature control system, the heating temperature control system includes a temperature sensor, the temperature sensors are connected to the heating wire 5, and the temperature sensor is used to detect the temperature of the heating wire 5.

The power supply unit 1 includes an AC stabilized power supply, and the power supply unit 1 also includes a battery or a transformer. The AC stabilized power supply can supply power to the heating wire 5, the heating temperature control system and the driving device through the battery, and the AC stabilized power supply can also Directly through the transformer to supply power to the heating wire, heating temperature control system and driving device

The sample placement box is arranged in the heating barrel 9 , and the sample placement box 4 rotates together with the heating barrel 9 . The heating bucket 9 is provided with a drawer-type drawer slot for placing the sample storage box 4, and the side wall of the heating bucket 9 is provided with an operation port for the entry and exit of the sample storage box 4, and the operation port is provided with an opening for preventing the The opening and closing door that the sample placement box 4 is thrown out. The sample storage box 4 can conveniently enter and exit the drawer-type drawer slot of the heating barrel 9 through the operation port like a drawer. The sample storage box 4 includes a left side, a right side, a front side, a rear side and a bottom surface, and several through holes 41 are evenly distributed on the left side, the right side, the front side, the rear side and the bottom surface respectively. . The through holes 41 are not only used for ventilation, but also for the dripping of excess liquid. The bottom of the heating barrel 9 is provided with a solution collecting pipe 8 communicating therewith. The dripped redundant liquid is collected after flowing out through the solution collecting pipe 8, which avoids the accumulation of liquid in the heating barrel 9.

The drop and atomizer 6 is arranged above the heating barrel 9 , and the drop and atomizer 6 faces the sample placement box 4 . Both the top of the heating barrel 9 and the top of the sample placement box 4 are open structures, so that the solution from the dual-purpose device 6 for dripping and atomizing can smoothly fall onto the sample in the sample placement box 4 . The dual-purpose device for dripping and atomizing 6 includes a solution holding tank, a solution delivery pipe and a dual-purpose spraying nozzle for dropping and atomizing. The dripping and atomizing dual-purpose device 6 also includes a liquid flow sensor and a pressure regulator arranged in the solution delivery pipe, the liquid flow sensor is used to detect the solution flow rate in the solution delivery pipe, and the pressure regulator is used to regulate the fluid in the solution delivery pipe. pressure. When the pressure is low, the liquid falls in the form of droplets, and when the pressure is high, the liquid is sprayed onto the surface of the sample in the sample placement box 4 in the form of atomized spray.

The driving device includes a motor 2 and a transmission mechanism, and the output shaft of the motor 2 is connected with the heating barrel 9 through the transmission mechanism. Described driving device also comprises speed governor 3, speed detector 7 and control system, and described speed governor 3, speed detector 7 all link to each other with the output shaft of motor 2, and speed detector 7 will detect the motor output shaft The rotational speed is transmitted to the control system in real time, and the control system controls the rotational speed of the motor output shaft through the governor according to the detected rotational speed of the motor output shaft, thereby ensuring the stability of the rotational speed of the heating barrel 9 and facilitating the formation of a uniform film on the surface of the sample.

The parts not mentioned in the utility model can be realized by adopting or referring to the prior art.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (10)

1. Spin-coating spraying machine, it is characterized in that, comprises heating barrel, sample placement box, drop liquid atomization dual-purpose device and the driving device that drives heating barrel to rotate, is wound with heating wire on the described heating barrel, and sample placement box is arranged on In the heating barrel, the sample placement box rotates together with the heating barrel, the dual-purpose device for dripping and atomizing is set above the heating barrel, and the dual-purpose device for dripping and atomizing is facing the sample placing box, the top of the heating barrel and the side of the sample placing box The tops are all open structures. 2. spin coating sprayer according to claim 1, is characterized in that, described sample placement box comprises left side, right side, front side, rear side and bottom surface, described left side, right side, A plurality of through holes are evenly distributed on the front side, the rear side and the bottom surface respectively. 3. The spin coating sprayer according to claim 1, wherein the heating barrel is provided with a drawer-type drawer slot for placing the sample placement box, and the side wall of the heating barrel is provided with a door for the sample placement box to enter and exit. The operation port is equipped with a switch door for preventing the sample storage box from being thrown out during the working process. 4. The spin coating sprayer according to claim 1, wherein the driving device comprises a motor and a transmission mechanism, and the output shaft of the motor is connected with the heating barrel through the transmission mechanism. 5. spin coating sprayer according to claim 4, is characterized in that, described driving device also comprises speed governor, speed detector and control system, and described speed governor, speed detector are all connected with the output shaft of motor The speed detector transmits the detected speed of the output shaft of the motor to the control system in real time, and the control system controls the speed of the output shaft of the motor through the governor according to the detected speed of the output shaft of the motor. 6. The spin coating sprayer according to claim 1, wherein the dual-purpose device for dripping and atomizing includes a solution holding tank, a solution delivery pipe and a dual-purpose spraying nozzle for dropping and atomizing, and the solution holding tank passes through The solution conveying pipe is connected with the dual-purpose nozzle for dripping and atomizing. 7. The spin coating sprayer according to claim 6, characterized in that, the dual-purpose device for dripping and atomizing also includes a liquid flow sensor and a pressure regulator arranged in the solution delivery pipe, and the liquid flow sensor is used to detect the solution The solution flow rate in the delivery pipe, and the pressure regulator is used to adjust the fluid pressure in the solution delivery pipe. 8 . The spin coating sprayer according to claim 1 , characterized in that, the bottom of the heating barrel is provided with a solution collecting pipe communicating therewith. 9 . The spin coating sprayer according to claim 1 , further comprising a power supply part for supplying electric power to the heating wire and the driving device. 10. The spin coating sprayer according to claim 1, characterized in that, the spin coating sprayer also includes a heating temperature control system, and the heating temperature control system includes a temperature sensor, and the temperature sensors are all connected with the heating wire, and the temperature The sensor is used to detect the temperature of the heating wire.