CN86205024U

CN86205024U - Automatic electrostatic paint spraying machine

Info

Publication number: CN86205024U
Application number: CN 86205024
Authority: CN
Inventors: 吕兆立
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-07-23
Filing date: 1986-07-23
Publication date: 1987-05-27

Abstract

The utility model discloses an automatic electrostatic paint-spraying machine, belonging to the improvement of the paint-spraying machine. The electrostatic paint-spraying device used at present is provided mainly with the manual or the fixed form, and the line production of the paint spraying of the large scale device can not be finished. The high voltage generator and the electric control portion of the utility model are arranged in a rail vehicle, the bottom of a vehicle body is provided with caster wheels which can be slid on the rail, and the rail vehicle comprises a motor and a speed reduction device. One corner of the top part of the vehicle body is provided with a bracket, the broadside side of the bracket is provided with a slide way which can provide a spray gun with moving up and down, and one side of the bracket is provided with gear bars. The gear bars are engaged mutually, and gear wheels are movably connected with the motor on the body of the spray gun. Both sides of the spray gun are provided respectively with proximity switches which can control the movement of the paint-spraying machine. The utility model has the advantages of simple structure, low labour intensity and high efficiency.

Description

Automatic electrostatic paint spraying machine

The utility model belongs to the improvement of paint spraying machine.

The electrostatic spraying equipment that uses mainly is manual or fixing form at present, can not finish the pipelining that main equipment sprays paint.

The purpose of this utility model provides a kind of electrostatic spraying equipment that can finish automatic operating function, to enlarge the range of application of electrostatic spray equipment.

Accompanying drawing 1 is a structure chart of the present utility model.1 is railcar among the figure, 2 be castor, 3 for support, 4 for slideway, 5 for ratch, 6 for gear, 7,9 near switch, 8 for spray gun.

Accompanying drawing 2 is the utility model high pressure generator partial circuit figure, and 9 is transformer among the figure, and 10 is that voltage-stabilized power supply, 11 is that oscillator, 12 is voltage multiplie.

Accompanying drawing 3 is the circuit diagram of the utility model near switch, and 13 is high-frequency generator among the figure, and 14 is tuned amplifier, and 15 is Schmidt circuit, and 16 is voltage-stabilized power supply.

The utility model is by high pressure generator, spray gun (8), and transmission mechanism forms. High pressure generator is through rectification by civil power, the higher-order of oscillation, the electrical appliance parts such as voltage multiplying rectifier consist of, this generator and automatically controlled part are installed in the railcar (1), vehicle bottom is provided with castor (2), can slide in orbit, railcar (1) is made up of motor and deceleration device, one jiao of car body top is equipped with support (3), wide side of support is processed with and can supplies the up and down slideway (4) of spray gun, be equipped with ratch (5) on one side of support, be fixed with gear (6) on the ratch (5), gear fixes with motor on the gun body and is connected, be equipped with respectively the approach switch (7) that can supply this paint spraying machine of control to move in the both sides of spray gun (8), spray gun (8) can be moved up and down at support according to the operation needs by the motor reducer gear driven, during this automatic paint-spraying machine work, move to an end of workpiece when paint spraying machine, the approach switch action, paint spraying machine stops mobile, returns then and repeats to spray paint work Already.

The circuit theory of the utility model high pressure generator provides in Fig. 2, by the 220V ac power supply, become the 48V low-voltage AC through transformer, the transformer core sectional area adopts 0.35GE1B-26 type silicon steel sheet, laminate patch thickness is 38 millimeters, 0.33 millimeter high strength enamelled wire of elementary usefulness is around 1254 circles, 0.61 millimeter high strength enamelled wire of secondary usefulness is around 272 circles, secondary output voltage is formed bridge rectifier through four 2 amperes of silicon rectifier diodes, output 48V Rectified alternating current, through 2000 μ F, become stable 48V dc source after the filtering of 100V electrochemical capacitor, the 48V dc source connects the self-excited oscillator of common collector with transformer coupled formation positive feedback, the frequency of oscillation of oscillator is about 20 kilocycles, oscillating tube is 3DD15D, the transformer sectional area is 14 * 14 millimeters a square shape FERRITE CORE, primary coil is 0.41 millimeter high strength enamelled wire, 42 circles, feedback coil is 5 circles, secondary coil is 1850 circles, 0.15 φ enamel-covered wire, through 9 kilovolts of high pressure of high-frequency generator output, be output as the operation of 90,000 volts of high direct voltage supply spray guns through 9 grades of voltage multiplying rectifiers then.The multiplication of voltage capacitance is 2000PF, and withstand voltage is 20,000 volts a high-voltage capacitance, and rectifying tube adopts 20,000 volts of high pressure silicon posts.This high pressure generator is installed in railcar bottom, and car has four castor railcars, vehicle body by the angle steel of 30mm * 30mm as skeleton; Make protective cover with the 0.7mm steel plate on every side, in four castors in car body bottom, wherein there are two to be driving wheel, railcar is by the motor connection reducer, reducer output shaft is connected with chain with driving wheel, motor rotates, railcar slides along track, is equipped with support at railcar one jiao, and support is to be fixed with frame by channel-section steel to be connected, side at support is equipped with ratch, be processed with and for the fixed head that spray gun and inductive switch are installed slideway be installed on the support in the same side of support and castor, can move up and down for fixed head, spray gun, be installed on the fixed head near switch, the drive unit of fixed head is by the micro machine connection reducer that is contained on the fixed head, and gear is installed reducer output shaft and ratch matches, micro machine starting spray gun moves up and down near switch.Spray gun is made up of motor atomizing wheel, atomizer oil pipe and protective plate etc., motor is installed in the rear portion of spray gun, atomizing wheel, atomizing cup are installed in motor and prolong on the axle, fuel feed pump is installed in the middle of atomizing wheel, atomizing cup, oil pipe fixes with motor housing and is connected, oil pipe communicates with the fuel tank that is installed in car body, and spray gun is installed on the fixed head, micro machine starting, spray gun, moves up and down near switch.The utility model provides in Fig. 3 near the circuit theory of switch, be by high-frequency generator, tuned amplifier, the multiplication of voltage wave detector, emitter-base bandgap grading coupling bistable circuit and voltage-stabilized power supply are formed, high-frequency generator frequency of oscillation f is 3～5 megahertzes, and oscillator signal carries out frequency-selecting by transformer coupled base stage to the tuned amplifier transistor and amplifies, and the vibration signal after the amplification adds Schmidt circuit after the multiplication of voltage detection.When metal object when the contact, be equivalent in the parallel connection of oscillation circuit two ends a capacitor C _xIncreased the electric capacity of oscillation circuit, reduced the frequency of oscillation of oscillation circuit, because resonant tank is in the off resonance state to new oscillation frequency signal, and outputting oscillation signal is weakened, the direct current signal after the detection diminishes, so becoming, ends the conduction pipe of Schmidt circuit, and blanking tube becomes conducting, and enters full close state, relay adhesive.

The utility model and prior art ratio, have have wide range of applications, labour intensity is little, simple to operate, characteristics such as operating efficiency height.

Embodiment:

The long 1000mm of track car body, wide 580mm, high 400mm, the support height is 3 meters, divides three joints can assemble demolition and regulates its height arbitrarily, and spray gun is by the atomizing motor, atomizing cup, atomizing wheel, oil pipe is formed, the motor front portion is added with protective plate, and motor is contained on the elevating mechanism, and lift is by micro motor for driving, the micro motor for driving gear, ratch matches on gear and the frame mobile jib, and spraygun body and micro machine rotating mechanism are integrated as one, the micro machine starting, whole gun body moves up and down.

Claims

1, automatic electrostatic spray equipment, be by high pressure generator, spray gun [8], transmission mechanism is formed, the high pressure generator and the automatically controlled part that it is characterized in that said paint spraying machine are installed in the railcar [1], the car body bottom is provided with the castor [2] that can slide in orbit, one jiao of the car body top is equipped with support [3], wide one side of support is processed with and can supplies the up and down slideway [4] of spray gun, be equipped with ratch [5] on one side of support, gear [6] and ratch [5] match, and the motor on gear and the gun body is done flexible connection, be equipped with respectively in the both sides of spray gun [8] can control that this paint spraying machine moves near switch [7], [9].

2,, it is characterized in that said high pressure generator and automatically controlled part can be arranged to the independent form that can move arbitrarily or move according to the described automatic electrostatic spray equipment of claim 1.