Spray coating mechanical automatic assembly line
Technical field
The utility model belongs to chemical machinery technical field, is specifically related to a kind of spray coating mechanical automatic assembly line.
Background technology
Electrostatic spraying utilizes high-pressure electrostatic electric field to make electronegative paint particles along the contrary direction directed movement of electric field, and paint particles is adsorbed on a kind of spraying method of surface of the work.Electrostatic spraying device is made up of spray gun, spray cup and electrostatic spraying high voltage source etc.The spray gun of electrostatic spraying during work or spray dish, spray cup, paint particles part connects negative pole, and workpiece connects positive pole and ground connection, under the action of high voltage of high voltage source, just forms an electrostatic field between the end of spray gun (or spray dish, spray cup) and workpiece.Electric field force suffered by paint particles is directly proportional to the voltage of electrostatic field and the carried charge of paint particles, and and distance between spray gun and workpiece be inversely proportional to, when voltage is enough high, spray gun end near zone forms air ionization district, air is ionization and heating intensely, make to form a bolarious haloing around spray gun end sharp edge or pole pin, can obviously see in the dark, at this moment air produces strong corona discharge.
Film forming matter in coating and the great majority such as resin and pigment are made up of macromolecular organic compound, mostly be the dielectric of conduction, solvent shape coating also has the materials such as organic solvent, cosolvent, curing agent, electrostatic diluent and other various additives except film forming matter.This kind of solvent borne material is except benzene, dimethylbenzene, industrial naptha etc., and be polar substances mostly, resistivity is lower, has certain conductive capability, and they can improve the chargeding performance of coating.
Dielectric molecular structure can be divided into polar molecule and nonpolar molecule two kinds.The dielectric of polar molecule composition, when by DC Electric Field, demonstrates electrically; The dielectric of nonpolar molecule composition is good outside.
Coating sprays after nozzle atomization, charged because of contact during the edge of the paint particles be atomized by the pole pin of muzzle or spray dish, spray cup, when the gas ionization zone produced through corona discharge, will increase its surface charge density again.Under the electrostatic field of these electronegative paint particles, the motion of the surface of the work of guide polarity, and be deposited and form uniform film on the surface of the workpiece.
Patent publication No. CN103894325A discloses a kind of electrostatic spraying apparatus, comprises the first transfer roller, the second transfer roller and electrostatic spraying mechanism; The center of described first transfer roller and the second transfer roller is not positioned on same vertical curve; The lower end of described first transfer roller is mutually concordant with the upper end of the second transfer roller; Electrostatic spraying mechanism is provided with between the central vertical line of described first transfer roller and the second transfer roller; Described electrostatic spraying mechanism comprises two pole plates, power supply, conveyer belt and sandboxes; Described two pole plates are separately positioned on above and below the conveyer belt of upper strata; Described power supply is connected with two pole plates; The initiating terminal in tape transport direction, described upper strata is provided with sandbox.At present, the spray gun of electrostatic spraying device is all manually hand-heldly to spray workpiece, and for large batch of Workpiece painting, speed is slow, and workman's labor intensity is large simultaneously, and automaticity is low.
Summary of the invention
The utility model is for above shortcoming, low based on the existing electrostatic spraying device automaticity of solution, the problem that workman uses working strength large.Propose a kind of spray coating mechanical automatic assembly line, this reasonable in design, can automation spray workpiece, without the need to manually, automaticity is high.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is:
Spray coating mechanical automatic assembly line, comprise conveying streamline, it is characterized in that: described conveying streamline is provided with baking oven, spray equipment is arranged on the initiating terminal of conveying streamline, described spray equipment comprises underframe, the motor driving workpiece to rotate is arranged on described underframe, and the opposite of described motor is provided with the spray gun sprayed workpiece, and feed tank is connected to spray gun rear; Rewinding streamline is arranged on conveying streamline second half section side, and cross bar track one is arranged on rewinding streamline, and described cross bar track one is provided with the lift cylinder one moved around in the above, handgrip one is arranged on below lift cylinder one.
Described conveying streamline opposite side is also provided with defective streamline, described defective streamline is provided with cross bar track two, described cross bar track two is provided with the lift cylinder two moved around in the above, CCD monitoring device is arranged on below described cross bar track two, is provided with handgrip two below described lift cylinder two.
Preferentially, described rewinding streamline is also provided with moveable workpiece frame, and rewinding dolly is arranged on the end of rewinding streamline.
Preferentially, described conveying streamline is also provided with setting controller.
Preferentially, described conveying streamline initiating terminal is also provided with workpiece frame.
Preferentially, also temperature alarm is provided with above described baking oven.
Preferentially, described spray gun side is also provided with baffle plate.
Compared with prior art, advantage of the present utility model is as follows: by streamline setting operation, workpiece automatically completes material loading on streamline, dries, discharging, and speed is fast, saves manpower, is applicable to promoting the use of.
Accompanying drawing explanation
The following accompanying drawing by means of embodiment carries out brief description to the utility model now.In accompanying drawing:
Fig. 1 shows the front view of the utility model spray coating mechanical automatic assembly line;
Fig. 2 shows the structural configuration schematic diagram of the utility model spray coating mechanical automatic assembly line;
Fig. 3 shows the structural configuration schematic diagram of the utility model spray equipment;
Fig. 4 shows the utility model conveying streamline rear end structure schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
Embodiment 1
As shown in the figure, spray coating mechanical automatic assembly line, comprise conveying streamline 4, described conveying streamline 4 is provided with baking oven 3, spray equipment 5 is arranged on the initiating terminal of conveying streamline 4, and described spray equipment 5 comprises underframe 55, and the motor 54 driving workpiece to rotate is arranged on described underframe 55, the opposite of described motor 54 is provided with the spray gun 52 sprayed workpiece, and feed tank 51 is connected to spray gun 52 rear; Rewinding streamline 2 is arranged on conveying streamline 4 second half section side, and cross bar track 1 is arranged on rewinding streamline 2, and described cross bar track 1 is provided with the lift cylinder 1 moved around in the above, handgrip 1 is arranged on below lift cylinder 1.
Described conveying streamline 4 opposite side is also provided with defective streamline 9, described defective streamline 9 is provided with cross bar track 28, described cross bar track 28 is provided with the lift cylinder 2 83 moved around in the above, CCD monitoring device 81 is arranged on below described cross bar track 28, is provided with handgrip two below described lift cylinder 2 83.
In order to the workpiece centralized collection that will have sprayed, rewinding streamline 2 is also provided with moveable workpiece frame 21, rewinding dolly 10 is arranged on the end of rewinding streamline 2.Conveying streamline 4 is also provided with setting controller 101 to set whole device parameter.Conveying streamline 4 initiating terminal is also provided with workpiece frame 6 to place untreated workpiece.Baking oven 3 is above also provided with temperature alarm 12, when oven temperature too low or too high time, temperature alarm 12 automatic alarm, reminds operating personnel's adjustment.In order to prevent other regions of spray paint not contaminated stream waterline, spray gun 52 side is also provided with baffle plate 53.
This spray coating mechanical automatic assembly line disclosed in the utility model, using method is such, workpiece in workpiece frame 6 first swings in above conveying streamline 4 by staff, conveying streamline 4 drives workpiece to travel forward first to utilize spray gun 52 pairs of workpiece to spray, and in spraying process, motor 54 drives workpiece to rotate to carry out whole body spraying.Be admitted to after Workpiece painting completes in baking oven 3 and toast, workpiece grabbing is transplanted in moveable workpiece frame 21 by the handgrip 1 toasted below rear lift cylinder 1, and last moveable workpiece frame 21 is admitted to rewinding dolly 10 transfer above and leaves.