Automobile part processing spraying equipment
Technical Field
The invention relates to the field of spraying, in particular to an automobile part processing spraying device.
Background
A spray robot is an automated device commonly used for painting and spraying tasks in industrial production. It combines the flexibility and accuracy of robotic arms, which are typically composed of multiple joints that can be moved and positioned in three dimensions, with their tips equipped with nozzles for uniformly spraying paint, lacquer or other coating onto the surface of a workpiece, with the efficient performance of a spray system, which can be widely used in the automotive industry.
The ox horn nozzle is correctly installed on the spraying equipment, the angle and the spraying mode of the nozzle are adjusted according to the requirement, before formal spraying, some test spraying is performed firstly, so that the angle and the spraying pressure of the nozzle are adjusted, the spraying effect is ensured to meet the requirement, and after the nozzle and the spraying equipment are adjusted, the workpiece is sprayed;
However, the air hole of the ox horn nozzle is likely to be blocked during operation, and the air pressure at two sides of the air hole of the ox horn nozzle is different, so that the pressure of spraying liquid is unbalanced, and the uneven spraying condition is caused, which is manifested by different color shades or obvious mottle, and when the nozzle sprays paint, an operator is difficult to discover the change of the paint spraying range in time during the spray nozzle spraying, so that the paint spraying effect is affected.
Disclosure of Invention
The invention provides an automobile part processing spraying device, which solves the technical problem that an operator is difficult to discover the change of a spraying range in time when spraying paint by a nozzle in the prior art, thereby influencing the spraying effect.
The invention provides an automobile part processing spraying device which comprises a spraying robot arm, wherein the output end of the spraying robot arm is provided with a robot arm head, the output end of the robot arm head is provided with a spraying gun head, the output end of the spraying gun head is provided with a ox horn nozzle, the ox horn nozzle is provided with two ox horn arms, the inside of the ox horn nozzle is provided with a gas spraying hole, one side of the ox horn arm, which is opposite to the gas spraying hole, is provided with a side chamber, and the inside of the side chamber is provided with a dredging mechanism for dredging the blockage of the gas spraying hole;
The dredging mechanism comprises a telescopic cylinder, a cleaning brush is fixedly arranged on the outer wall of one end of the telescopic cylinder, which is close to the air hole, and a plurality of air leakage holes are formed in the outer wall of one end of the telescopic cylinder, which is far away from the air hole, and are used for controlling the telescopic cylinder and the cleaning brush to poke into the air hole in a reciprocating manner so as to clear and block;
The outer wall of ox horn nozzle is provided with pressure measurement mechanism, and pressure measurement mechanism includes transparent section of thick bamboo, and the both ends of transparent section of thick bamboo all are provided with the breather pipe that communicates each other with the fumarole air vent in two ox horn arms respectively for show the inside atmospheric pressure change of fumarole air vent in two ox horn arms in real time.
Further, the inside central point of transparent section of thick bamboo puts and slides and be provided with the slide, and the diameter size of slide is the same with the inside diameter size of transparent section of thick bamboo, and the both sides of slide are all fixed to be provided with flexible gasbag, are provided with two on the slide and run through in the pull wire of transparent section of thick bamboo, are provided with the control line that runs through in the transparent section of thick bamboo on the slide between two pull wires.
Further, the expansion rubber sheets are fixedly arranged on one side, far away from the sliding plate, of the two telescopic air bags, the diameter size of the telescopic air bags is smaller than that of the sliding plate, and the space, far away from one side of the telescopic air bags, of the expansion rubber sheets is not communicated with the sliding plate and the space where the two telescopic air bags are located.
Further, the inside of flexible section of thick bamboo slides and is provided with the shutoff dish, and the shutoff dish is kept away from the fixed flexible inner column that is provided with in one side of fumarole, and flexible inner column outside shutoff is provided with a plurality of ropes that reset on the dish, and flexible inner column and shutoff dish are hollow structure, and the one end and the side room fixed connection of shutoff dish are kept away from to flexible inner column simultaneously.
Further, one end of the telescopic inner column, which is far away from the air blocking disc, is connected with an air inlet fixed in the ox horn nozzle through a pipeline, a sealing plug is fixedly arranged in the air inlet, one corner of the sealing plug is not fixed with the air inlet, and meanwhile, the sealing plug is fixedly connected with a stay wire on the unfixed corner of the air inlet.
Further, a paint inlet pipe is fixedly connected to the nozzle position of the ox horn nozzle, a top box is fixedly arranged at one end, far away from the nozzle, of the paint inlet pipe, the diameter size of the top box is larger than that of the paint inlet pipe, a valve is connected to the air inlet end of the top box, the air inlet end of the valve is connected with the air supply end of the spraying gun head, and the switch of the valve is connected with a control line.
Further, the side of the paint inlet pipe is fixedly provided with a liquid inlet auxiliary pipe, the liquid inlet auxiliary pipe is aligned with a paint outlet at the connecting end of the spray gun head, and the liquid inlet auxiliary pipe is communicated with the paint inlet pipe and forms an h shape.
Further, the inside of top box is fixed and is provided with flexible gas column, and the one end fixedly connected with piston dish of the inlet end of top box is kept away from to flexible gas column, and the diameter size of piston dish is the same with advance lacquer intraductal diameter size, and the outer wall spiral winding of flexible gas column has the elastic cord.
Further, the inside of piston disc is provided with the expansion disc, and the inlet end fixedly connected with inner tube of expansion disc, and a plurality of exhaust hole has been seted up to the one end outer wall that the inner tube is close to the expansion disc, and the inlet end of inner tube and the inlet end interconnect of top box simultaneously.
Further, the inside expansion disk below of piston disc is provided with the negative pressure dish, and a plurality of negative pressure hole has been seted up to the inside of negative pressure dish, and the negative pressure dish is higher than the base of piston disc, and the outer wall of piston disc is equipped with the stripe.
The invention has the beneficial effects that:
according to the invention, when the pressure measuring mechanism detects that the air pressure in the air hole channels in the two ox horn nozzles is changed, the cleaning brush is poked into the blocked air holes through the extension of the telescopic cylinder, paint residues are cleaned, and the air holes are rubbed in a reciprocating manner until the air holes on two sides circulate, so that the air pressure of the air holes on two sides is ensured to be the same, the pressure of spraying liquid is balanced, and the condition of uneven spraying is reduced;
when the internal air pressure of the air jet hole channels in the two ox horn nozzles changes, the corresponding air pipes are used for transmitting, so that the position of the sliding plate in the transparent cylinder changes, the air pressure change condition is clearly shown, and the phenomenon of paint dripping during cleaning of the air jet holes can be controlled.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the ox horn nozzle of the present invention;
FIG. 3 is a schematic view of the internal structure of the ox horn nozzle of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3A in accordance with the present invention;
Fig. 5 is a schematic diagram of the internal structure of the top box of the present invention;
FIG. 6 is a schematic view of a telescopic air column structure of the present invention;
FIG. 7 is an enlarged schematic view of FIG. 6B in accordance with the present invention;
FIG. 8 is a schematic view of the transparent cartridge structure of the present invention;
FIG. 9 is an enlarged schematic view of FIG. 8C in accordance with the present invention;
fig. 10 is a schematic view of the telescopic cylinder structure of the present invention.
11, A spraying robot arm; 12, a machine arm head, 13, a spraying gun head, 14, a ox horn nozzle, 15, a ox horn arm, 152, an air hole, 153, a side chamber, 16, a paint inlet pipe, 17, a top box, 171, a valve, 172, a control wire, 173, a telescopic air column, 174, a piston disc, 175, an elastic band, 177, an inner pipe, 178, an expansion disc, 179, a negative pressure disc, 18, a liquid inlet auxiliary pipe, 2, a dredging mechanism, 21, a telescopic cylinder, 22, an air inlet, 23, a sealing plug, 24, a telescopic inner column, 25, an air outlet hole, 26, a blocking disc, 27, a reset rope, 28, a cleaning brush, 3, a pressure measuring mechanism, 31, a transparent cylinder, 32, a sliding plate, 33, a telescopic air bag, 34, an expansion film, 35, a vent pipe, 36 and a pull wire.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
1-10, An automobile part processing spraying device comprises a spraying robot arm 11, wherein the output end of the spraying robot arm 11 is provided with a robot arm head 12, the output end of the robot arm head 12 is provided with a spraying gun head 13, the output end of the spraying gun head 13 is provided with a ox horn nozzle 14, the ox horn nozzle 14 is provided with two ox horn arms 15, in order to ensure the quality of spraying paint on parts in automobile part processing, the intelligent spraying robot arm 11 is used for spraying paint, the spraying gun head 13 is correctly installed on the robot arm head 12, the angle and the spraying mode of the ox horn nozzle 14 are adjusted according to requirements, then paint is sprayed out of a central nozzle of the ox horn nozzle 14 through a paint inlet pipe 16, and high-pressure gas is sprayed out of a gas spraying hole 152 in the ox horn nozzle 15 to uniformly spray paint on the surface of an automobile part;
The ox horn nozzle 14 is internally provided with a jet hole 152, one side of the ox horn arm 15, which is opposite to the jet hole 152, is provided with a side chamber 153, and the inside of the side chamber 153 is provided with a dredging mechanism 2 for dredging the blockage of the jet hole 152;
The dredging mechanism 2 comprises a telescopic cylinder 21, a cleaning brush 28 is fixedly arranged on the outer wall of one end of the telescopic cylinder 21, which is close to the air hole 152, a plurality of air leakage holes 25 are formed on the outer wall of one end of the telescopic cylinder 21, which is far away from the air hole 152, and are used for controlling the telescopic cylinder 21 and the cleaning brush 28 to poke into the air hole 152 in a reciprocating manner so as to clear and block the air hole 152;
The outer wall of ox horn nozzle 14 is provided with pressure measurement mechanism 3, pressure measurement mechanism 3 includes transparent section of thick bamboo 31, transparent section of thick bamboo 31's both ends all are provided with respectively with the breather pipe 35 of the air duct intercommunication of air jet 152 in two ox horn arms 15, be used for showing the inside atmospheric pressure change of air jet 152 air duct in two ox horn arms 15 in real time, when the inside atmospheric pressure of air jet 152 passageway changes in two ox horn nozzles 14, the slide 32 in the transparent section of thick bamboo 31 takes place the position change through corresponding breather pipe 35 transmission, thereby demonstrate clearly and give vent to anger the pressure change condition, can also control reduce the phenomenon that appears the lacquer when air jet 152 clear up.
The inside central point of transparent section of thick bamboo 31 puts and slides and is provided with slide 32, and the diameter size of slide 32 is the same with the inside diameter size of transparent section of thick bamboo 31, the both sides of slide 32 are all fixed to be provided with flexible gasbag 33, be provided with two and run through in the stay 36 of transparent section of thick bamboo 31 on the slide 32, be provided with the control line 172 that runs through in transparent section of thick bamboo 31 on the slide 32 between two stay 36, the air jet 152 receives the attachment and blocks in the ox horn arm 15 of one side, the air flue atmospheric pressure of this air jet 152 in the ox horn arm 15 changes, the air that gets into is unchangeable, the gas of blowout reduces, then the air flue atmospheric pressure of air jet 152 increases, the air flue atmospheric pressure increase in the air flue of air jet 152 passes through breather pipe 35 and transmits in the space that expansion film 34 kept away from flexible gasbag 33 one side, thereby reach the change that detects air flue atmospheric pressure in the ox horn arm 15 of both sides, intuitively show whether air jet 152 is the same in the ox horn arm 15 of both sides.
The expansion film 34 is fixedly arranged on one side of the two expansion air bags 33 far away from the sliding plate 32, the diameter size of the expansion air bags 33 is smaller than that of the sliding plate 32, the space on one side of the expansion film 34 far away from the expansion air bags 33 is not communicated with the sliding plate 32 and the space where the two expansion air bags 33 are located, when the air holes 152 are blocked, part of blocked air is transferred to the space on one side of the expansion film 34 far away from the expansion air bags 33 through the ventilation pipe 35, the air pressure in the space is increased, the expansion film 34 bulges towards one side of the expansion air bags 33, the expansion film 34 corresponding to the air holes 152 on the other side is unchanged, the expansion film 33 on the same side is pushed to slide by the bulge of the expansion film 34 on the blocked side, the sliding plate 32 is pushed to slide by the expansion film 33, one pull wire 36 on the same side is pulled by the sliding plate 32, the pull wire 36 pulls the tilt angle of the sealing plug 23, and meanwhile the control wire 172 is pulled.
The inside slip of telescopic cylinder 21 is provided with the shutoff disk 26, the shutoff disk 26 is kept away from the fixed flexible inner column 24 that is provided with in one side of fumarole 152, fixedly be provided with a plurality of reset ropes 27 on the shutoff disk 26 in flexible inner column 24 outside, and flexible inner column 24 and shutoff disk 26 are hollow structure, simultaneously the one end that the shutoff disk 26 was kept away from to flexible inner column 24 and side room 153 fixed connection, when the wire 36 pulls out the rake angle of sealing plug 23, the air is swiftly flushed into flexible inner column 24, promote telescopic cylinder 21 to insert in the fumarole 152 that corresponds along with the increase of atmospheric pressure, stab cleaning brush 28 in the fumarole 152 that blocks up through the extension of telescopic cylinder 21, clear up the paint residue, and reciprocate the fumarole 152 to the fumarole 152 circulation all the time, guarantee that the atmospheric pressure of both sides fumarole 152 is the same, make spraying liquid pressure balance, thereby reduce the inhomogeneous condition of spraying that causes.
The one end that flexible inner column 24 kept away from the air shutoff disc 26 is connected with the air inlet 22 of fixing in ox horn nozzle 14 through the pipeline, the inside of air inlet 22 is fixed and is provided with sealing plug 23, and sealing plug 23 has one corner unfixed with air inlet 22, simultaneously sealing plug 23 and air inlet 22 are not fixed on the one corner with stay wire 36 fixed connection, when the air shutoff disc 26 slides to a plurality of gas release hole 25 positions, play the operation of quick air release, make flexible section of thick bamboo 21 reset fast under the pulling force of a plurality of reset ropes 27 simultaneously, thereby play the effect of reciprocal flexible clearance, air inlet 22 is not with the fixed one corner of air inlet 22, seal the jam to air inlet 22 under self elasticity, only receive the pulling of corresponding stay wire 36, only take place the perk air inlet and make gas flush into air inlet 22.
The nozzle position of ox horn nozzle 14 fixedly connected with advances lacquer pipe 16, advance lacquer pipe 16 and keep away from the fixed top box 17 that is provided with of its nozzle one end, the diameter size of top box 17 is greater than the diameter size of advance lacquer pipe 16, the inlet end of top box 17 is connected with valve 171, the inlet end of valve 171 is connected with the air feed end of spraying gun head 13, the switch and the control line 172 of valve 171 are connected, when the gas jet hole 152 appears blocking up takes place, spraying machine arm 11 makes spraying gun head 13 remove the assigned position under intelligent control, and stop the paint spraying, at the moment of stopping the paint spraying, make the high-pressure air rush into in the inner tube 177 through the switch of control line 172 pulling valve 171.
The side of the paint inlet pipe 16 is fixedly provided with a liquid inlet auxiliary pipe 18, the liquid inlet auxiliary pipe 18 is aligned with a paint outlet at the connecting end of the spray gun head 13, the liquid inlet auxiliary pipe 18 is communicated with the paint inlet pipe 16 to form an h shape, when the ox horn nozzle 14 is installed, the original paint inlet direction is changed by aligning the liquid inlet auxiliary pipe 18 with the paint outlet at the connecting end of the spray gun head 13, and the quick blocking of paint flow is facilitated.
The inside of top box 17 is fixed and is provided with flexible air column 173, and the one end that flexible air column 173 kept away from the air inlet of top box 17 is fixedly connected with piston dish 174, and the diameter size of piston dish 174 is the same with the inside diameter size of lacquer pipe 16, and the outer wall spiral winding of flexible air column 173 has elastic cord 175.
The inside of piston disc 174 is provided with expansion disk 178, expansion disk 178's air inlet end fixedly connected with inner tube 177, and the inner tube 177 is close to expansion disk 178's one end outer wall and has been seted up a plurality of exhaust hole, the air inlet end of inner tube 177 and the air inlet end interconnect of top box 17 simultaneously, when gas is rushed into inner tube 177, through being close to expansion disk 178's one end outer wall and having seted up a plurality of exhaust hole and entering into flexible air column 173, make flexible air column 173 from the bottom expansion extension, promote piston disc 174 and slide downwards, when piston disc 174 surpasses feed liquor accessory tube 18 downwards, just can block paint drip into feed paint tube 16, and when piston disc 174 slides downwards, can make it take place the torsional force through elastic cord 175, increase piston disc 174 to the scraping effect of feed paint tube 16 inner wall.
The inside expansion disk 178 below of piston disc 174 is provided with negative pressure dish 179, a plurality of negative pressure hole has been seted up to the inside of negative pressure dish 179, the negative pressure dish 179 is higher than the base of piston disc 174, the outer wall of piston disc 174 is equipped with the stripe, when flexible gas column 173 expands, the air also enters into expansion disk 178 and makes its inflation, air extrusion in the piston disc 174 when expansion disk 178 expands, when flexible gas column 173 extends to the bottom, expansion disk 178 is quick to be deflated, the negative pressure appears in piston disc 174 when the gas is deflated, the paint residue and the paint festival piece of being cleared up that concentrate in negative pressure dish 179 are inhaled into piston disc 174, reduce the jam of spray paint mouth, can control and reduce the phenomenon that appears the paint dripping when air hole 152 clearance.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.