A kind of program control type electrostatic spraying apparatus
Technical field
The present invention relates to a kind of program control type electrostatic spraying apparatus, belong to electrostatic spraying apparatus, be mainly used in planar lamina electricity
It is extremely this kind of to require coating quality prepared by higher coating.
Background technology
Electrostatic Spray Technology, is a kind of method sprayed using high-voltage electrostatic field.Specific method is the tip of shower nozzle
Take different electric charges respectively from collecting terminal, and form high-voltage electrostatic field;Then powered slurry is transported to the tip of shower nozzle, by
In the effect of high voltage electric field, what is made slurry atomization and spray to collecting terminal is sprayed-on object surface.It is quiet by the traction of electric field force
EFI coating can realize the spraying at object concave surface or dead angle.
Traditional electrostatic spraying device is electrostatic gun, is generally used for paint industry, including spray gun one, atomizer one
It is individual, electrostatic generator one, and painting pumping one, electrostatic spraying gun in the market is using more common.
In addition electrostatic spraying device is divided into according to the difference of function:Manual electrostatic spraying and automatically electrostatic spray, principle is all
It is the same.The most commonly application of hand-held electrostatic spray gun, spraying workman directly grasps electrostatic gun and carries out spraying work
Industry.Automatically electrostatic spray is mainly arranged on automatic production line and used, such as robot or mechanical arm, but it is only right
Spraying area has carried out programme-control, and have ignored other key factors of influence coating quality during electrostatic painting process.
Therefore coating quality is typically poor, or even not as the coating quality of manual electrostatic spraying.And the electrostatic on reciprocating engine
The flexibility of rifle is high not as manual electrostatic spraying, and many products must use manual electrostatic spraying to can be only achieved spraying will
Ask, therefore application is restricted.It is only used for less demanding paint application, such as furniture surface japanning etc..
For the thin layer electrode of the technical fields such as solar cell, fuel cell, lithium battery, the microcosmic knot of its face coat
The factors such as structure, caliper uniformity directly determine the efficiency and performance of battery, therefore requirement of this type coating to coating quality is very
It is high.Preparing this type coating needs the process conditions of strict control electrostatic spraying, and to reach the high-quality and uniformity of coating, this is right
Higher requirement is proposed in the design of electrostatic spraying apparatus:
1. accurate adjustable spraying path;
2. accurately resetting, the spraying spacing of strict conformance;
3. the superpower atomization ability of pair spraying slurry;
4. accurate, stable spraying slurry flow control;
5. the anti-clogging design of pipeline;
6. the control of evaporation rate of solvent in spray-on coating;
7. being sprayed-on the swelling action of solvent in the fixation of article position and the fixation of size, spraying slurry, it may lead
The positions and dimensions for being sprayed-on object are caused to change.
The content of the invention
Purpose:It is exclusively used in the program control type that this kind of uniformity and controllability to coating quality of planar lamina electrode requires higher
Electrostatic spraying apparatus, yet there are no report.The present invention relates to a kind of program control type electrostatic spraying apparatus, above tradition is solved
Technology and function that electrostatic spraying apparatus can not be realized.
Technical scheme:In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of program control type electrostatic spraying apparatus, including casing, control mainboard, Switching Power Supply, it is characterised in that:Also include height
Static nozzle module, shower nozzle motion bracket, slurry delivery system, automatic rising-sinking platform, gas joint are pressed, the casing includes chamber
Control mainboard is provided with A, chamber B, the chamber A, it is Switching Power Supply, high-pressure electrostatic head module, shower nozzle motion bracket, automatic
Hoistable platform, gas joint;Slurry delivery system is provided with the chamber B;The high-pressure electrostatic head module is arranged on shower nozzle
On motion bracket, high-pressure electrostatic head module can be moved in X-Y axial planes;It is provided with below the high-pressure electrostatic head module
Automatic rising-sinking platform, the automatic rising-sinking platform can be moved up and down with vertical direction;The slurry delivery system passes through polytetrafluoro
Ethylene tube is connected with high-pressure electrostatic head module;The gas joint is arranged on the side wall of casing, passes through flexible pipe and automatic lifting
Platform is connected, for keeping vacuum adsorption force on automatic rising-sinking platform;
The high-pressure electrostatic head module includes HV generator, shower nozzle, high voltage transient protection circuit, spraying regulation
Circuit, insulating power supply;
The automatic rising-sinking platform includes vacuum absorbing platform, heating module, temperature sensor, and control mainboard passes through connection
Heating module and temperature sensor, the control of heating-up temperature is carried out to vacuum absorbing platform;
The control mainboard, controls shower nozzle motion bracket and automatic by connecting the program in computer or reading storage card
The motion of hoistable platform.
The shower nozzle includes shell, metal female Luer, stainless steel syringe needle, and the shell is more than using dielectric strength
10kV/mm ambroins;Outer casing bottom is provided with metal female Luer, and the protruding end of the metal female Luer is set to 6% Shandong
Your cylindrical taper joint, the center of metal female Luer is provided with internal diameter 2mm through hole, through hole and is provided with and slurry
The polyfluortetraethylene pipe that induction system is connected;The stainless steel syringe needle is connected with the protruding end of metal female Luer.
Described HV generator output end includes high-voltage positive electrode, high voltage negative;High-voltage positive electrode is put down with automatic lifting
Platform is connected and is grounded together with the metal shell of casing;High voltage negative is connected with the metal female Luer in shower nozzle.
The general power of the insulating power supply is not higher than 2W, exports 1.5V ~ 12V voltages;Insulating power supply is sent out as high-pressure electrostatic
The input power of raw device, the general power of HV generator is not higher than 2W, and output voltage is not higher than 90kV.
The slurry delivery system includes syringe pump feed system, slurry ultrasonic disperse system, the syringe pump charging system
After system is connected with slurry ultrasonic disperse system, it is connected by polyfluortetraethylene pipe with high-pressure electrostatic head module;The note
Pump feed system is penetrated to be made up of syringe pump, disposable syringe.
The high voltage transient protection circuit is composed in series by high-tension resistive, high voltage induction and high voltage negative.
The spraying regulation circuit is composed in parallel by diode with knob potentiometer.
The shower nozzle motion bracket is driven, planar along X by belt drive gear by X-axis motor and y-axis motor
Axle, Y direction motion.
Described automatic rising-sinking platform is moved up and down by ball screw by Z axis motor drives edge Z-direction.
Beneficial effect:The invention provides a kind of program control type electrostatic spraying apparatus, it can solve the problem that above conventional electrostatic is sprayed
Technology and function that device can not be realized.Including:1. accurate adjustable electrostatic spraying path;2. accurately resetting, strict
Consistent spraying spacing;3. superpower spraying slurry atomization ability;4. accurate, stable slurry flow control;5. pipeline is anti-
Block design;6. the control of evaporation rate of solvent in spray-on coating;7. it is sprayed-on the fixation of article position and the fixation of size;8.
Spraying slurry utilization rate is significantly improved, the consumption of expensive slurry is saved.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of slurry delivery system;
Fig. 3 is the structural representation of shower nozzle;
Fig. 4 is the structural representation of automatic rising-sinking platform.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of program control type electrostatic spraying apparatus, including casing, control mainboard, Switching Power Supply, in addition to height
Press static nozzle module 1, shower nozzle motion bracket 2, slurry delivery system 3, automatic rising-sinking platform 4, gas joint 5, the casing bag
Include chamber A6, control mainboard, Switching Power Supply, high-pressure electrostatic head module 1, shower nozzle fortune are provided with chamber B7, the chamber A6
Dynamic support 2, automatic rising-sinking platform 4, gas joint 5;Slurry delivery system 3 is provided with the chamber B7;The high-pressure electrostatic spray
Head module 1 is arranged on shower nozzle motion bracket 2, and high-pressure electrostatic head module 1 can be moved in X-Y axial planes;The high pressure is quiet
The lower section of EFI head module 1 is provided with automatic rising-sinking platform 4, and the automatic rising-sinking platform 4 can be moved up and down with vertical direction;It is described
Slurry delivery system 3 is connected by polyfluortetraethylene pipe 8 with high-pressure electrostatic head module 1;The gas joint 5 is arranged on chamber
A6 sides wall, is connected by flexible pipe 9 with automatic rising-sinking platform 4, in use, gas joint 5 is connected with external vavuum pump, is used for
Vacuum adsorption force is kept on automatic rising-sinking platform.The shower nozzle motion bracket 2 is by belt drive gear, by X-axis motor and Y
Spindle motor drives, and is planar moved along X-axis, Y direction;Described automatic rising-sinking platform 4 is by ball screw, by Z axis electricity
Machine drives edge Z-direction moves up and down.
The high-pressure electrostatic head module 1 includes HV generator, shower nozzle, high voltage transient protection circuit, spraying tune
Economize on electricity road, insulating power supply.
As shown in Fig. 2 the slurry delivery system 3 includes syringe pump feed system 31, slurry ultrasonic disperse system 32, institute
State after syringe pump feed system 31 is connected with slurry ultrasonic disperse system 32, pass through polyfluortetraethylene pipe 8 and sprayed with high-pressure electrostatic
Head module 1 is connected;The syringe pump feed system 31 is made up of syringe pump 311, disposable syringe 312.
As shown in figure 3, the shower nozzle 101 includes shell 102, metal female Luer 103, stainless steel syringe needle 104, it is described outer
Shell 102 is more than 10kV/mm ambroin materials using dielectric strength;The bottom of shell 102 is provided with metal female Luer 103, institute
The protruding end for stating metal female Luer 103 is set to the cylindrical taper joint of 6% Rule, and the center of metal female Luer 103 is set
There is the polyfluortetraethylene pipe 8 for being provided with and being connected with slurry delivery system 3 in internal diameter 2mm through hole, through hole;It is described stainless
Draw point first 104 is connected with the protruding end of metal female Luer 103;Metal female Luer 103 passes through wire 105 and high voltage negative
It is connected.
As shown in figure 4, the automatic rising-sinking platform 4 includes vacuum absorbing platform 41, heating module 42, temperature sensor
43, control mainboard carries out the control of heating-up temperature to vacuum absorbing platform 41 by connecting heating module 42 and temperature sensor 43
System.
Specific embodiment is as follows:
【Embodiment 1】:
Nano level platinum carbon catalyst pulp is sprayed at Surface modification of proton exchange membrane using the present invention, for preparing fuel electricity
Catalytic Layer in the membrane electrode of pond.It is specific to be using step:
1. PEM to be laid in the center of vacuum absorbing platform, the temperature of vacuum absorbing platform is set as 70 ~
100 DEG C, after after PEM heat shrinkable, starting external vavuum pump, PEM is fixed in absorption.
2. the catalyst pulp of certain volume, note of the clamping into slurry delivery system are extracted with plastic injector for temporary use
Penetrate in pump, start syringe pump after connection polyfluortetraethylene pipe, catalyst pulp is advanced in the stainless steel syringe needle of shower nozzle front end.
3. connect program control type electrostatic spraying apparatus and computer and directly operation scan-type spray procedure, or use with USB line
In SD card with running orbit program, the SD card groove for inserting program control type electrostatic spraying apparatus.Select the spraying fortune that will be run
Row track program, starts electrostatic spraying program immediately.Now shower nozzle collides order the optoelectronic switch of X, Y, Z axis, finds benchmark
Zero point.The top of PEM is subsequently moved to, electrostatic spraying operation is carried out.
4. for different formulations catalyst pulp, can by spray regulation circuit in knob, adjusting shower nozzle it is quiet
Electrospray power.The slurry of electrostatic spray can also be controlled by controlling the fltting speed of the syringe pump in slurry delivery system
Flow.
5. the slurry in the catalyst pulp for being easy to sedimentation, polyfluortetraethylene pipe will go first through slurry ultrasonic disperse
System, enters back into shower nozzle.
6. Platinum Nanoparticles C catalyst slurry is first by high pressure negative electrical charge on shower nozzle band, because like charges are mutually exclusive
Principle, can realize nano level atomization in spraying process, and due to the effect of electrostatic field gravitation, electronegative nanometer platinum carbon
Catalyst pulp be almost attracted to completely with high pressure on schedule be sprayed-on object --- Surface modification of proton exchange membrane, vacuum suction
Platform rapidly evaporates the solvent in slurry, so as to form one layer of high-quality catalyst film, and realizes high slurry
Expect utilization rate.
【Embodiment 2】:
Nano level platinum carbon catalyst pulp is sprayed to the surface of gas diffusion layers using the present invention, for preparing fuel
Catalytic Layer in cell membrane-electrode.It is specific to be using step:
1. PEM to be laid in the center of vacuum absorbing platform, the temperature of vacuum absorbing platform is set as 70 ~
100 DEG C, the external vavuum pump of subsequent start-up adsorbs fixed gas diffusion layer.
2. the catalyst pulp of certain volume is extracted with plastic injector for temporary use, by syringe clamping to slurry delivery system
In syringe pump in system, start syringe pump after connection polyfluortetraethylene pipe, catalyst pulp is advanced to the stainless of shower nozzle front end
In draw point head.
3. connect program control type electrostatic spraying apparatus and computer and directly operation scan-type spray procedure, or use with USB line
In SD card with running orbit program, the SD card groove for inserting program control type electrostatic spraying apparatus.Select the spraying fortune that will be run
Row track program, starts electrostatic spraying program immediately.Now shower nozzle collides order the optoelectronic switch of X, Y, Z axis, finds benchmark
Zero point.The top of gas diffusion layers is subsequently moved to, electrostatic spraying operation is carried out.
4. for different formulations catalyst pulp, can by spray regulation circuit in knob, adjusting shower nozzle it is quiet
Electrospray power.The slurry of electrostatic spray can also be controlled by controlling the fltting speed of the syringe pump in slurry delivery system
Flow.
5. the slurry in the catalyst pulp for being easy to sedimentation, polyfluortetraethylene pipe will go first through slurry ultrasonic disperse
System, enters back into shower nozzle.
6. Platinum Nanoparticles C catalyst slurry is first by high pressure negative electrical charge on shower nozzle band, because like charges are mutually exclusive
Principle, can realize nano level atomization in spraying process, and due to the effect of electrostatic field gravitation, electronegative nanometer platinum carbon
Catalyst pulp be almost attracted to completely with high pressure on schedule be sprayed-on object --- the surface of gas diffusion layers so that shape
Into high-quality catalyst film, and realize high slurry utilization rate.
【Embodiment 3】:
Nano level carbon black granules slurry is sprayed to the surface of carbon fibre material using the present invention, for preparing fuel electricity
Pond gas diffusion layers.It is specific to be using step:
1. carbon fibre material to be laid in the center of vacuum absorbing platform, the temperature of vacuum absorbing platform is set as 70 ~
100 DEG C, the external vavuum pump of subsequent start-up, the fixed carbon fiber of absorption.
2. the carbon black slurry of certain volume is extracted with plastic injector for temporary use, by syringe clamping to slurry delivery system
In syringe pump in, connection polyfluortetraethylene pipe after start syringe pump, carbon black slurry is advanced to the stainless pin of shower nozzle front end
In head.
3. connect program control type electrostatic spraying apparatus and computer and directly operation scan-type spray procedure, or use with USB line
In SD card with running orbit program, the SD card groove for inserting program control type electrostatic spraying apparatus.Select the spraying fortune that will be run
Row track program, starts electrostatic spraying program immediately.Now shower nozzle collides order the optoelectronic switch of X, Y, Z axis, finds benchmark
Zero point.The top of carbon fibre material is subsequently moved to, electrostatic spraying operation is carried out.
4. for the carbon black slurry of different formulations, the knob in regulation circuit of spraying, the electrostatic of adjusting shower nozzle can be passed through
It is atomized power.The stream of slurry of electrostatic spray can also be controlled by controlling the fltting speed of the syringe pump in slurry delivery system
Amount.
5. the slurry in the carbon black slurry for being easy to sedimentation, polyfluortetraethylene pipe will go first through slurry ultrasonic disperse system
System, enters back into shower nozzle.
6. nanometer carbon black slurry is first by high pressure negative electrical charge on shower nozzle band, due to the mutually exclusive principle of like charges,
Nano level atomization can be realized in spraying process, but due to the effect of electrostatic field gravitation, electronegative carbon black slurry is almost
Be attracted to completely with high pressure on schedule be sprayed-on object --- the surface of gas diffusion layers, so as to form high-quality urge
Agent thin layer, and realize high slurry utilization rate.
【Embodiment 4】:
Nano level TiO2 particle slurries are sprayed to the surface of electro-conductive glass using the present invention, for preparing dye sensitization
The light anode of solar cell.It is specific similar to above 1-3 embodiments using step.
【Embodiment 5】:
Conductive nano graphite slurry is sprayed to the surface of aluminium foil/copper foil using the present invention, for preparing the negative of lithium battery
Pole material.It is specific similar to above 1-4 embodiments using step.
【Embodiment 6】:
Conductive carbon pastes are sprayed to the surface of foil electrode, the anti-corrosion for making electrode surface using the present invention
Lose conductive coating.It is specific similar to above 1-5 embodiments using step.
【Embodiment 7】:
Coating or paint are sprayed to the surface of sheet metal using the present invention, for making erosion shield.Specifically
It is similar to above 1-6 embodiments using step.
Described above is only the preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.