CN213557940U

CN213557940U - Spray gun cleaning device of spraying robot

Info

Publication number: CN213557940U
Application number: CN202021916781.6U
Authority: CN
Inventors: 王磊; 符传明
Original assignee: Shanghai Dinghu Automation System Co ltd
Current assignee: Shanghai Dinghu Automation System Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-29
Anticipated expiration: 2030-09-04

Abstract

A spray gun cleaning device of a spraying robot comprises a pneumatic motor, nylon brush equipment, a shell, two electromagnetic valves, a solvent pump, sliding equipment and an air blowing pipe, wherein the nylon brush equipment is arranged on the shell; the nylon brush equipment comprises a cylinder body and brush bristles, wherein the brush bristles are annularly distributed on the surface of the cylinder body, the middle part of the right side of the cylinder body is installed with a power output shaft of the pneumatic motor together, a shaft rod is arranged in the middle part of the left side end of the cylinder body, a bearing seat is arranged at the left end of the middle part in the shell body, the shaft rod at the left end of the cylinder body is transversely sleeved in a bearing inner ring of the bearing seat, a liquid spraying pipe is arranged in front of the brush bristles, a connecting pipe is arranged at the lower end of the shell body, the liquid inlet pipe is connected with an upper end; the sliding equipment is transversely arranged at the inner upper end of the middle part of the shell, and the air blowing pipe is arranged in the left part of the shell. This is novel need not artificially to wash the shower nozzle, has brought the facility for the staff, has improved work efficiency, can not bring the influence to human health.

Description

Spray gun cleaning device of spraying robot

Technical Field

The utility model relates to a spraying robot auxiliary assembly technical field, especially a spraying robot's spray gun belt cleaning device.

Background

Along with the development of industrial technology and science and technology, spraying people robot has more and more used at the spraying production line, has greatly improved work efficiency to save the labour cost expenditure, prevented that the lacquer liquid from to the healthy influence that brings of staff, and can reach better spraying effect. In application, under the control of the PLC, the robot arm of the spraying robot drives a spraying gun arranged at the front end of the robot arm to move around a spraying piece according to the control program of the PLC (the PLC program programming is the existing mature industrial technology), and then a spraying gun nozzle (nozzle) continuously sprays paint liquid and sprays the paint liquid on the surface of the spraying piece to finish spraying operation.

In practical situations, the inner diameter of a nozzle orifice of a spray gun of the robot spray gun is small, and the spray gun is easily blocked after the spray gun stops spraying and paint liquid is dried, so that the follow-up spray gun cannot perform normal spraying operation. Therefore, in order to ensure that the spray gun can keep a good working state, in the prior art, after the spray gun stops working, operators need to use a solvent to manually clean the spray head of the spray gun by using a cleaning tool. The spray head of the spray gun is cleaned manually, so that the spray head not only has the defects of inconvenience for workers, inconvenience for improving the working efficiency and unnecessary labor cost for increasing the production side, but also has the disadvantages that the cleaned solvent is more or less volatilized, so that the solvent is too close to the cleaning of the workers, and certain influence is brought to the health of the people when harmful gas is breathed. Based on the above, it is particularly necessary to provide a device capable of automatically completing the cleaning work of the spray head of the spray gun without manual cleaning.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the spray head of the spray gun of the robot for cleaning the spraying robot can bring inconvenience to workers due to the fact that the spray head is cleaned in a manual mode, the work efficiency is not improved, the unnecessary labor cost of a production party can be increased, and certain influence is brought to the health of people, the utility model provides a spraying robot body based on PLC control, the spray head of the spray gun is not needed to be cleaned manually, when the spray head of the spray gun of the spraying robot needs to be cleaned in application, the PLC of the spraying robot controls the spray gun spray head to be inserted into a cleaning hole of a cleaning plate, after a pneumatic motor drives a nylon roller brush to rotate, the spray head of the spray gun moves left and right on the upper end of the nylon brush, the rotating nylon brush can be used for brushing and cleaning, cleaning solvent pumped by an external solvent pump can act on continuous brush hair to clean residual paint liquid of the spray gun, the spray gun cleaning device of the spray robot has the advantages that the probability of blockage of the spray holes is reduced, the spray gun can be blown dry on the surface of the spray head through high-speed airflow sprayed by compressed air after cleaning, the next spraying operation is prepared, convenience is brought to workers, the working efficiency is improved, unnecessary labor cost expenditure of a production side is reduced, and influence on human health is avoided.

The utility model provides a technical scheme that its technical problem adopted is:

a spray gun cleaning device of a spraying robot comprises a pneumatic motor, nylon brush equipment, a shell, two electromagnetic valves and a solvent pump, wherein the air inlet end of the pneumatic motor is connected with the air outlet of one of the electromagnetic valves arranged on an air output pipe of an air compressor; it is characterized in that the device is also provided with a sliding device and an air blowing pipe; the shell is divided into a left independent space, a middle independent space and a right independent space, the pneumatic motor is arranged in the right part of the shell, and the lower end of the right part of the shell is provided with an exhaust hole; the nylon brush equipment comprises a cylindrical barrel and brush bristles, wherein the brush bristles are annularly distributed on the surface of the barrel, and the left side end and the right side end of the barrel are provided with sealing structures; the middle part of the right side of the cylinder body is mounted with a power output shaft of the pneumatic motor, the middle part of the left side end of the cylinder body is provided with a shaft rod, the left end of the middle part in the shell is provided with a bearing seat, the shaft rod of the left end of the cylinder body is transversely and tightly sleeved in a bearing inner ring of the bearing seat, the lower end of the middle part of the shell is provided with a support rod, the upper end of the support rod is provided with a solvent pipe, the right side of the solvent pipe is provided with a liquid spraying pipe, the left side of the solvent pipe is provided with a liquid spraying pipe, the rear end of the liquid spraying pipe is spaced from the front end of bristles, the lower end of the middle part of the shell; the sliding equipment is transversely installed at the inner upper end of the middle part of the shell, and the air blowing pipe is installed in the left part of the shell.

Furthermore, the sliding equipment comprises two sliding rods, springs and a sliding plate, the left side end and the right side end of each sliding rod are respectively installed on two sides of the upper end of the middle part of the shell, the two springs are respectively sleeved at the right outer ends of the two sliding rods, the front part and the rear part of the lower end of the sliding plate are respectively provided with guide pipes which are transversely distributed, the two guide pipes of the sliding plate are respectively sleeved at the left side ends of the two sliding rods, and the middle part of the sliding plate is provided with a cleaning hole with the inner.

Furthermore, the spray holes of the sliding plate are spaced from the upper ends of the bristles of the nylon brush equipment, and the inner diameter of the guide pipe of the sliding plate is larger than the outer diameter of the sliding rod.

Furthermore, the upper end of the shell is matched with an upper cover which is hinged, a handle is arranged at the rear side end of the upper cover, and the length and the width of the upper cover are greater than those of the upper end of the shell.

Furthermore, the air blowing pipe is annular, a plurality of air injection holes are formed in the inner side end of the air blowing pipe at intervals, the outer side of the air blowing pipe is installed at the upper end of the left portion in the shell, an air pipe is arranged on one side of the air blowing pipe, the air pipe is connected with the exhaust end of the second electromagnetic valve, and the air inlet end of the second electromagnetic valve is connected with the air output pipe of the air compressor.

Furthermore, a waste liquid pipe is arranged at the lower part of the left end of the shell, and a waste liquid barrel is arranged below the waste liquid pipe.

Furthermore, an air blowing plate is arranged on the air blowing pipe at the upper left end of the shell, and an air blowing hole is formed in the middle of the air blowing plate.

The utility model has the advantages that: this novel spraying robot body based on PLC control does not need the shower nozzle of artificial washing spray gun. The robot body controls the spray gun to spray workpieces is completely consistent with the prior art. After spraying, a nozzle of the spray gun is controlled by the PLC to be inserted into a cleaning hole in the middle of a sliding plate of the sliding equipment, the lower end of the nozzle of the spray gun is effectively contacted with bristles, a robot arm of the spray gun is controlled by the PLC to drive the sliding plate to reciprocate left and right, a pneumatic motor drives the bristles to rotate, a solvent pumped out by a solvent pump is sprayed onto the front ends of the bristles, and the spray gun (nozzle) which reciprocates left and right is effectively cleaned together with the rotating bristles. After the cleaning is finished, the nozzle moves to the upper end of the air blowing pipe, then high-flow-rate compressed air output by the air compressor is sprayed out from the air spraying holes on the inner side of the air blowing pipe at a high speed, solvent liquid remained at the nozzle is dried quickly, and after the solvent liquid is dried, the whole cleaning process of the nozzle of the spray gun is completed. This novel can be with the remaining lacquer liquid sanitization of nozzle, reduced the probability that the orifice blockked up, and can also weather the processing to the surface of shower nozzle, for next spraying operation is prepared, has brought the facility for the staff from this, has improved work efficiency, has reduced the unnecessary labour cost expenditure of production side, still can not bring the influence to human health. Based on the above, so this novel application prospect that has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the side view structure and the local enlargement of the present invention.

Fig. 2 is a schematic view of the top view structure and a partial enlargement of the present invention.

Detailed Description

As shown in fig. 1 and 2, a spray gun cleaning device of a spraying robot comprises a pneumatic motor 1 (model DSR-25-180-P), a hollow cylindrical nylon brush device 2, a rectangular shell 3, two electromagnetic valves 4 and a solvent pump, wherein the air inlet end of the pneumatic motor 1 is connected with the exhaust port of one of the electromagnetic valves arranged on an air output pipe of an air compressor through a pipeline and a pipeline joint, and the two electromagnetic valves 4, the power input end of the solvent pump and the three control power output ends of a PLC of the spraying robot are respectively connected through leads; the device is also provided with a sliding device 5 and an air blowing pipe 6; the left part and the right part in the shell 3 are respectively provided with a baffle plate 31 and a baffle plate 32 which are integrally formed, the inside of the shell 3 is divided into three independent spaces of a left part, a middle part and a right part by the

baffle plates

31 and 32, the middle part of the upper end of the baffle plate 31 at the right end is provided with a transversely distributed opening 311, the pneumatic motor 1 is arranged at the left end (positioned at the right side of the baffle plate 31) in the right part of the shell 3 through a screw nut, a power output shaft 101 of the pneumatic motor enters the upper end of the middle part in the shell 3 through the opening of the baffle plate 31 at the right end (the power output shaft 101 and the opening 311 have a distance), and the lower end at the right part of the shell 3; the hollow cylindrical nylon brush equipment 2 comprises a cylindrical barrel 21 (made of plastic materials) and bristles 22, wherein the bristles 22 are annularly distributed on the surface of the barrel 21 (the bristles 22 are uniformly distributed on the outer side surface of the barrel 21 and have a structure similar to that of the existing cylindrical nylon brush cleaning equipment for the household toilet), and the left side end and the right side end of the barrel 21 are sealed structures; the middle part of the right side of the cylinder 21 is connected with a flange plate at the left side end of a power output shaft 101 of a pneumatic motor through a screw nut, the middle part of the left side end of the cylinder 21 is provided with a shaft rod 25, the lower end of a left partition plate 32 is provided with an opening, the left part of a shell 3 is communicated with the lower end of the middle part, the middle part of the right upper end of the left partition plate 32 is transversely provided with a bearing seat 26 through the screw nut, the shaft rod 25 at the left side end of the cylinder is transversely and tightly sleeved in an inner ring of a bearing (provided with a water seal) of the bearing seat 26, the lower end of the middle part of the shell 3 is welded with a rectangular support rod 34 which is vertically distributed, the left end of the support rod 34 is transversely provided with a solvent pipe 35 of which the left end and the right end are sealed, the middle part of the right side of the solvent pipe 35 is welded with a liquid inlet pipe which, the spray holes 381 of the liquid spraying pipe are aligned with the bristles 22 and have a length close to that of the barrel 21 (the solvent entering the solvent pipe is sprayed out of the spray holes at the rear end of the liquid spraying pipe to the front ends of the bristles 22), a connecting pipe 36 with a pipe joint at the upper end and the lower end is welded at the left lower end of the middle part of the shell 3, the liquid inlet pipe and the upper end joint of the connecting pipe 36 are connected in an inserting mode through a hose 37, and the lower end joint of the connecting pipe 36 and a liquid outlet pipe of a solvent pump are connected through a second hose; the sliding device 5 is transversely arranged at the upper end in the middle of the shell 3, and the air blowing pipe 6 is arranged in the left part of the shell.

As shown in fig. 1 and 2, the sliding device 5 comprises two cylindrical sliding rods 51, springs 52, and a rectangular sliding plate 53 (the distance between the front and the back of the sliding plate 53 is slightly smaller than the distance between the front and the back of the upper end of the housing 3 by 1mm, the width between the left and the right of the sliding plate 53 is larger than the width between the left and the right of the barrel 21, when the PLC controls the spray head of the spray gun to move left and right, the left and the right side ends of the sliding plate 53 always cover the bristles 22 at the upper end of the barrel, and the rotating speed of the bristles 22 is slow due to the rotating shaft of the pneumatic motor 1 driving the rotating shaft of the pneumatic motor 22, and the solvent on the bristles will not splash to the outside of the housing 3 because the solvent on the bristles is 120 r/r.m.s), the two sliding rods 51 are transversely distributed and longitudinally spaced at a certain distance and are respectively installed at the upper ends of the right and the left, the middle part of the sliding plate 53 is provided with a cleaning hole 532 (the inner diameter is larger than the outer diameter of the cleaning hole by 1cm, the outer diameter of the upper end of the spray head is larger than the outer diameter of the cleaning hole), the cleaning hole 532 of the sliding plate 53 and the upper end of the brush hair 22 of the nylon brush equipment are separated by a certain distance (3mm), the inner diameter of the guide pipe 531 of the sliding plate is slightly larger than the outer diameter of the slide rod 51 by 0.5mm, and the sliding plate 53 can move left and right along the slide rod 51 through. The upper end of the shell is matched and sleeved with an upper cover 7, two hinges 71 are respectively installed at the left end and the right end of the rear side of the upper cover 7 through screw nuts, the lower ends of the two hinges 71 are respectively installed at the left side and the right side of the upper portion of the front end of the shell 3 through screw nuts, a rectangular handle 72 is welded in the middle of the rear side end of the upper cover 7 (the upper cover is conveniently covered or opened, an operator opens the upper cover 7 forwards through the handle 72 before cleaning), the length and the width of the upper cover 7 are slightly larger than the length and the width of the upper end of the shell 3 by 5mm, and a certain distance is reserved between the lower end of the upper cover 7 and. The gas blow pipe 6 is annular, a plurality of openings are arranged at the inner side end of the gas blow pipe at a certain interval as gas injection holes 61, the angle of the gas injection holes 61 is slightly upward, the outer side of the gas blow pipe 6 is arranged at the upper end of the left part in the shell 3, a gas pipe 62 which is communicated with the inside of the gas blow pipe 6 is welded at the left outer side of the gas blow pipe 6 (the gas pipe 62 is led out of the shell through the opening at the middle part of the left upper end of the shell), the gas pipe 62 is connected with the exhaust end of the second electromagnetic valve 4 through threads, and the gas inlet end of the. There is an trompil 3 left end lower part in the casing, and the welding of trompil lower extreme has a waste liquid pipe 8, has the waste liquid bucket under the waste liquid pipe 8. The left upper end of the shell is provided with an air blowing plate 9 (the joint part of the side end of the air blowing plate and the left upper end of the shell is sealed) on the air blowing pipe 6, and the middle part of the air blowing plate is provided with an air blowing hole 91 (the inner diameter of the air blowing hole 91 is larger than the outer diameter of the lower end of the nozzle by 1cm and smaller than the outer diameter of the upper end of the nozzle).

As shown in figures 1 and 2, the novel spraying robot body based on PLC control does not need a spray head for manually cleaning a spray gun. The robot body controls the spray gun to spray workpieces is completely consistent with the prior art. After spraying, a nozzle (spray head) of the spray gun is controlled by the PLC to be inserted into a cleaning hole 532 in the middle of a sliding plate of the sliding device (the PLC controls the arm of the spraying robot to move to drive the nozzle of the spray gun to be inserted into the cleaning hole), the lower end of the nozzle of the spray gun is effectively contacted with the upper part of the brush bristles 22, then the PLC controls the arm of the spray gun robot to drive the sliding plate 53 to reciprocate left and right (the nozzle of the spray gun also moves left and right along with the sliding plate 53, and the sliding plate 53 moves from the left end; the PLC controls the first electromagnetic valve 4 to be opened, so that the rotating shaft of the pneumatic motor 1 drives the cylinder 21 and the brush bristles 22 to rotate, meanwhile, the PLC controls the solvent pump to be electrified to work and pump out solvent (such as banana oil) with pressure, the solvent is sprayed out from the spray holes 381 at the rear side end of the liquid spraying pipe 38 and sprayed on the brush bristles 22, and the spray gun nozzle which reciprocates left and right is effectively cleaned together with the rotating brush bristles 22 (after the solvent is sprayed on the brush bristles, the rotating brush bristles drive the solvent to contact with the lower end of the nozzle). After the washing finishes, PLC control nozzle upward movement and sliding plate 53's cleaning hole separation, and control nozzle removes the board upper end of blowing, insert in the hole 91 of blowing, the nozzle lower extreme is located the upper end middle part of gas blow pipe 6 at this moment, then PLC control second solenoid valve 4 is opened, thus, the high-speed jet orifice 61 high-speed blowout of high-speed outflow's fumarole is followed to the compressed air in the air compressor, weather the solvent liquid of remaining in nozzle lower extreme department fast, just accomplish the whole cleaning process of nozzle of all spray guns after weathering (certain angle up of inboard fumarole of gas blow pipe, consequently can effectively weather the residual solvent of nozzle lower extreme). After the nozzle is dried, the PLC controls the arm of the spraying robot to move, drives the nozzle of the spray gun to move upwards and separate from the air blowing hole 91, and then drives the spray gun to return to an initial operation station to prepare for spraying a workpiece. The spring 52 of the novel sliding device mainly plays a role in resetting, and after the sliding plate 53 is separated from the nozzle, the upper ends of the bristles 22 can be automatically returned to the original position under the action force of the spring 52 to shield the upper ends of the bristles, so that the novel sliding device is ready for next cleaning. This novel solvent that weathers nozzle and washing nozzle drippage discharges in the waste liquid bucket through lower extreme waste liquid pipe 8 in the casing. This novel can remain lacquer liquid sanitization with the nozzle of spray gun, reduce the probability that the orifice blockked up, and can also weather the processing to the surface of shower nozzle, for next spraying operation is prepared, can bring the facility for the staff from this, improved work efficiency, reduced the unnecessary labour cost expenditure of production side, still can not bring the influence to human health (the staff need not be close).

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A spray gun cleaning device of a spraying robot comprises a pneumatic motor, nylon brush equipment, a shell, two electromagnetic valves and a solvent pump, wherein the air inlet end of the pneumatic motor is connected with the air outlet of one of the electromagnetic valves arranged on an air output pipe of an air compressor; it is characterized in that the device is also provided with a sliding device and an air blowing pipe; the shell is divided into a left independent space, a middle independent space and a right independent space, the pneumatic motor is arranged in the right part of the shell, and the lower end of the right part of the shell is provided with an exhaust hole; the nylon brush equipment comprises a cylindrical barrel and brush bristles, wherein the brush bristles are annularly distributed on the surface of the barrel, and the left side end and the right side end of the barrel are provided with sealing structures; the middle part of the right side of the cylinder body is mounted with a power output shaft of the pneumatic motor, the middle part of the left side end of the cylinder body is provided with a shaft rod, the left end of the middle part in the shell is provided with a bearing seat, the shaft rod of the left end of the cylinder body is transversely and tightly sleeved in a bearing inner ring of the bearing seat, the lower end of the middle part of the shell is provided with a support rod, the upper end of the support rod is provided with a solvent pipe, the right side of the solvent pipe is provided with a liquid spraying pipe, the left side of the solvent pipe is provided with a liquid spraying pipe, the rear end of the liquid spraying pipe is spaced from the front end of bristles, the lower end of the middle part of the shell; the sliding equipment is transversely installed at the inner upper end of the middle part of the shell, and the air blowing pipe is installed in the left part of the shell.

2. The spray gun cleaning device of a painting robot according to claim 1, wherein the slide means comprises two slide bars, springs, and slide plates, the left and right side ends of the two slide bars are respectively installed at both sides of the upper end of the middle portion of the housing, the two springs are respectively fitted over the right outer ends of the two slide bars, the front and rear portions of the lower end of the slide plate are respectively provided with guide pipes transversely distributed, the two guide pipes of the slide plate are respectively fitted over the left side ends of the two slide bars, and the middle portion of the slide plate is provided with a cleaning hole having an inner diameter larger than the spray hole of the.

3. The spray gun cleaning apparatus of a painting robot according to claim 2, wherein the nozzle hole of the slide plate is spaced apart from the upper end of the brush of the nylon brush device, and the inner diameter of the guide pipe of the slide plate is larger than the outer diameter of the slide rod.

4. The spray gun cleaning device of claim 1, wherein the upper end of the housing is provided with a pivotally mounted upper cover, the upper cover having a handle at a rear end thereof, and the upper cover has a length and a width greater than those of the upper end of the housing.

5. The spray gun cleaning device of the painting robot as claimed in claim 1, wherein the air blowing pipe is ring-shaped, and has a plurality of air injection holes at spaced intervals at an inner side end thereof, and an outer side of the air blowing pipe is installed at an upper left portion of the housing, and an air pipe is provided at one side of the air blowing pipe and connected to an air exhaust end of the second solenoid valve, and an air inlet end of the second solenoid valve is connected to an air output pipe of the air compressor.

6. The spray gun cleaning device of claim 1, wherein a waste liquid tube is provided at a lower portion of the left end of the housing, and a waste liquid bucket is provided under the waste liquid tube.

7. The cleaning device for the spray gun of the painting robot according to claim 1, wherein the upper left end of the housing is provided with a blowing plate on the blowing pipe, and a blowing hole is formed in the middle of the blowing plate.