CN211217717U

CN211217717U - Paint spraying workshop glass cleaning device

Info

Publication number: CN211217717U
Application number: CN201921902465.0U
Authority: CN
Inventors: 金淑娟
Original assignee: Shanghai Juguang Intelligent Technology Co ltd
Current assignee: Shanghai Juguang Intelligent Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-11
Anticipated expiration: 2029-11-06

Abstract

A glass cleaning device for a paint spraying workshop comprises a voltage-stabilized power supply, an electromagnetic water valve, a cleaning device, a cleaning agent spraying device and a control circuit; the cleaning device comprises two sets of motor reducing mechanisms, a steel wire rope, a cleaning roller, guide grooves and sliding blocks, wherein the two guide grooves are arranged on the left inner side and the right inner side of the window frame; the two sliding blocks are respectively sleeved in the two guide grooves, the two sets of motor reducing mechanisms are respectively installed at the left end and the right end of the upper layer of the lower layer at the upper end of the window frame, and the upper end and the lower end of the two steel wire ropes are respectively installed on the two shaft levers and the two winding wheels of the two sets of motor reducing mechanisms; the two photoelectric switches of the control circuit are respectively arranged in the upper and lower openings of the window frame, and the cleaning agent spraying equipment and the two electromagnetic water valves are arranged together; the stabilized voltage supply and the control circuit are arranged in the element box and connected through a lead. This is novel can reach unmanned operation, has reduced personnel and has taken place various unexpected probabilities because of ascending a height.

Description

Paint spraying workshop glass cleaning device

Technical Field

The utility model relates to a vehicle manufacturing paint spraying workshop corollary equipment field, especially a paint spraying workshop glass cleaning device.

Background

In vehicle manufacturing, paint spraying of vehicle bodies and the like is an important process. In order to ensure that the paint mist cannot escape into the atmosphere during the painting operation as much as possible, the painting workshop is generally isolated from the outside as much as possible, and thus, it is important that the light-transmitting property of the window lighting glass in the workshop is kept. In actual operation, generally, the paint mist generated by painting floats on glass due to low specific gravity and adheres to the glass, thereby affecting the light transmittance of the glass, and the light transmittance is too low, thereby affecting the lighting of a workshop, so that the glass needs to be cleaned after the light transmittance is poor.

The cleaning of glass in the existing paint spraying workshop is generally manual operation, and because the lighting glass in the workshop is high in position, cleaning operation can be carried out only by using a climbing tool, so that not only can the inconvenience be brought to operators due to manual operation, but also the labor expenditure of a production party is correspondingly increased, and the potential hazard that the operators fall from a high place can be caused by operating the climbing tool. Based on the above, it is particularly necessary to provide a cleaning device which can automatically clean lighting glass in a painting workshop without manual operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome current automobile production spraying workshop, the various drawbacks that exist among the artifical daylighting glass that washs, the utility model provides a do not need the artifical instrument cleaning operation that ascends a height that adopts, in the application, when needing clean daylighting glass, operating personnel only need open switch, control circuit will automatic cycle control cleaning device's cleaning roller up-and-down motion, and can also control in good time cleaner spraying equipment and carry out the cleaner spraying to glass, and the control running water washes glass, reach unmanned operation from this, the artifical expenditure of production side has been reduced, and reduced a paint spraying workshop glass cleaning device of personnel because of ascending a height and taking place various unexpected probabilities.

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

a glass cleaning device for a paint spraying workshop comprises a voltage-stabilized power supply and an electromagnetic water valve, and is characterized by also comprising cleaning equipment, cleaning agent spraying equipment and a control circuit; the upper end of a window frame of the window is divided into two layers; the cleaning device comprises two sets of motor reducing mechanisms, steel wire ropes, cleaning rollers, guide grooves and sliding blocks, wherein the two guide grooves are fixedly arranged on the left inner side and the right inner side of a window frame respectively; two sliding blocks of the cleaning equipment are respectively sleeved between the inner side and the outer side of the two guide grooves, the middle parts of the left end and the right end of the lower layer of the upper end of the window frame are respectively provided with an opening, two sets of motor reducing mechanisms are respectively and fixedly arranged at the left end and the right end of the upper layer of the lower layer of the upper end of the window frame, winding wheels are respectively and fixedly arranged in front of power output shafts of the two sets of motor reducing mechanisms, the lower ends of two steel wire ropes are respectively and fixedly arranged at the upper ends of two shaft levers; the lower end and the upper end lower layer of the window frame are respectively provided with an opening, two photoelectric switch shells of the control circuit are respectively arranged in the two openings, the photoelectric switch detecting head in the opening at the lower layer of the upper end of the window frame faces to the lower end, and the photoelectric switch detecting head in the opening at the lower end of the window frame faces to the upper end; the cleaning agent spraying equipment and the two electromagnetic water valves are installed together; the stabilized voltage supply and the control circuit are arranged in the element box; the power input ends of the first path, the second path and the third path of the control circuit are respectively connected with a booster pump and a first electromagnetic water valve of the detergent spraying equipment, two sets of motor speed reducing mechanisms of the cleaning equipment and the power input ends of a second electromagnetic water valve of the cleaning equipment through leads.

Further, the transverse length of the cleaning roller is smaller than that of the window glass, and the front end of a cleaning sleeve of the cleaning roller is tightly attached to the inner side end of the window glass.

Furthermore, the front parts of two layers of the upper end of the window frame of the window are provided with integrally formed sealing plates, and the rear part is provided with a movable sealing plate.

Furthermore, the cleaner spraying equipment comprises a shell, a cleaner tank, a booster pump and a spraying pipe, wherein a plurality of spraying open holes are formed in the rear part of the spraying pipe at intervals, a sealing structure is arranged on one side of the spraying pipe, the left part and the right part of the spraying pipe are respectively and fixedly arranged below the lower layer of the upper end of a window frame, the spraying hole of the spraying pipe faces to the upper side end in glass of a window, the booster pump is fixedly arranged at the lower part in the shell, the cleaner tank is fixedly arranged at the upper end of the shell, a liquid outlet pipe is fixedly arranged at the lower end of the cleaner tank, the liquid inlet pipe and the liquid outlet pipe of the booster pump are connected through a hose, a first electromagnetic water valve is arranged on a liquid outlet pipe of the booster pump, the liquid outlet ends of the first electromagnetic water valve and the second electromagnetic water valve are respectively connected with the two liquid inlet ends of a three-way pipe, the liquid inlet end of, the shell is placed on the ground, and the cleaning agent tank is filled with cleaning agent.

Further, the stabilized voltage supply is an alternating current to direct current switching power supply module.

Further, the electromagnetic water valve is a normally closed valve core electromagnetic water valve.

Further, the control circuit comprises a single chip microcomputer, a resistor, a crystal oscillator, an electrolytic capacitor, a relay, PNP triodes and photoelectric switches, wherein the single chip microcomputer is connected through circuit board wiring, the model of the single chip microcomputer is AT89C 2051-24 PI, the reset end 1 pin of the single chip microcomputer is connected with one end of the resistor, the external crystal oscillator end 4 pins and 5 pins of the single chip microcomputer are respectively connected with two ends of the crystal oscillator, the negative power input end 10 pin of the single chip microcomputer is connected with the other end of the resistor, the negative electrode of the electrolytic capacitor, the negative power input ends of ten relays and the negative power input ends of two photoelectric switches, the positive power input end 20 pin of the single chip microcomputer is connected with the positive electrodes of the electrolytic capacitor and eight PNP triodes, the collector electrodes of the eight PNP triodes are respectively connected with the positive power input ends of the first, second, third, fourth, fifth, sixth, seventh, 15. The bases of eight PNP triodes are connected respectively at

pins

16, 17, 18 and 19, the positive power input ends of two photoelectric switches, the control power input ends of an eighth relay and a ninth relay, the control power input ends of a first relay and a fourth relay are connected, the normally open contact end of the ninth relay is connected with the control power input ends of a second relay, a fifth relay and a seventh relay, and the normally open contact end of the tenth relay is connected with the control power input ends of a third relay, a sixth relay and an eighth relay.

The utility model has the advantages that: this novel installation is in the indoor one side of window in paint spraying workshop, and the cleaning roller is the metal material, has great gravity, can guarantee down of cleaning roller. This novel do not need the artifical clean operation of instrument of ascending a height that adopts, in the application, when needing clean daylighting glass, operating personnel only need open switch, control circuit will automatic cycle control cleaning device's cleaning roller up-and-down motion, can also control in good time cleaner spraying device and carry out the cleaner spraying to glass to and control running water washes glass, and then the cleaning sleeve in the cleaning roller outside can be under the effect of cleaner and running water, will be located the inboard glass sanitization in workshop. This is novel can reach unmanned operation, has reduced the artifical expenditure of production side, has reduced the probability that personnel take place various accidents because of ascending a height moreover. 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 structural diagram of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1, the glass cleaning device for the paint spraying workshop comprises a voltage-stabilized power supply 1, electromagnetic water valves 21 and 22, a cleaning device 3, a cleaning agent spraying device 4 and a control circuit 5; the upper end of a window frame 6 of the window is divided into two layers, a plurality of rectangular supporting plates 7 are integrally formed between the two layers at intervals, and the supporting plates 7 reinforce the strength of the two layers at the upper end of the window frame 6; the cleaning device 3 comprises two sets of motor reducing mechanisms 31, a steel wire rope 32, cleaning rollers 33, rectangular guide grooves 34 and rectangular sliding blocks 35, wherein the guide grooves 34 are made of rectangular pipes, the two guide grooves 34 are vertically arranged on the left inner side and the right inner side of a window frame 6 respectively through a plurality of fastening screw rods from top to bottom, the heights of the two guide grooves 34 are consistent with the upper height and the lower height of the inner side below the upper end of the window frame 6, the middle parts of the inner side ends of the two guide grooves 34 are provided with a rectangular open slot 34-1 from top to bottom, the height of the open slot 34-1 is consistent with the height of the guide grooves 34, the cleaning rollers 33 are made of metal pipes, the middle parts of the two side ends of the metal pipes 33 are respectively welded with a shaft lever 33-1, the outer sides of the two shaft lever 33-1 are respectively welded on the inner side, the transverse length of the cleaning sleeve 33-2 is consistent with that of the cleaning roller 33; two rectangular sliding blocks 35 of the cleaning device are respectively and transversely sleeved between the inner side and the outer side of two guide grooves 34, the middle parts of two shaft levers 33-1 are respectively positioned in an open groove 34-1 of the two guide grooves, the front side end and the rear side end of the shaft lever 33-1 are spaced from the front side and the rear side of the open groove 34-1 by a certain distance, the upper ends of the middle parts of the two shaft levers 33-1 are respectively welded with a circular connecting seat 33-3 with an opening, the middle parts of the left end and the right end of the lower layer of the upper end of the window frame are respectively provided with an opening 61, the shells of two sets of motor reducing mechanisms 31 are respectively arranged at the left end and the right end of the upper layer of the window frame 6 through screw nuts and are respectively positioned at the inner side ends of the two openings 61, the power output shafts of the, the transverse outer diameter of the middle part of the circular winding wheel 31-1 is smaller than the outer diameters of the left side and the right side, which is beneficial to winding the steel wire ropes 32, the lower ends of the two steel wire ropes 32 are respectively welded and installed in the connecting seat 33-3 holes at the upper ends of the two shaft levers, the middle parts of the two circular winding wheels 31-1 are respectively positioned on the middle openings 61 at the left end and the right end of the lower layer at the upper end of the window frame, and the upper ends of the two steel wire ropes 32 are respectively led out upwards from the middle openings 61 at the left end; the middle part of the lower end of the window frame 6 and the middle part of the lower layer of the upper end are respectively provided with an opening 62, two photoelectric switch 51 shells of the control circuit are respectively connected in the two openings 62 by glue, the detecting heads of the photoelectric switches 62 in the openings of the lower layer of the upper end face to the lower end (the detecting heads of the two photoelectric switches 51 are respectively higher than the lower end of the lower layer of the upper part of the window and lower than the upper end of the lower part), and the detecting heads of the photoelectric switches 62 in the openings of the middle; the cleaning agent spraying equipment 4 and the two electromagnetic water valves 21 and 22 are installed together; the stabilized voltage power supply 1 and the control circuit 5 (excluding the photoelectric switch) are installed on a circuit board, the circuit board is installed in the element box 8, and the element box 8 is installed on the wall surface at the side end of the window.

As shown in FIG. 1, the transverse length of the cleaning roller 33 is slightly smaller than that of the window glass, the diameter of two rectangular sliding blocks 35 is slightly smaller than the distance between the front and the back of the guide groove 34, the front end of the annular cloth cleaning sleeve 33-2 of the cleaning roller is tightly attached to the inner side end of the window glass, and the cleaning roller 33 can freely move up and down along the two guide grooves 34 through the rectangular sliding blocks 35 at the left and right ends of two shaft rods 33-1. The sealing plates integrally formed are arranged at the rear parts of the two layers of the upper end of the window frame of the window to seal the front part between the two layers of the upper end of the window frame, the movable sealing plate 9 is arranged at the front part, and the motor reducing mechanism 31 and the like are sealed in the front part of the two layers of the upper end of the window frame 6, wherein the movable sealing plate 9 is arranged through a screw rod. The cleaner spraying equipment comprises a rectangular shell 41, a cleaner tank 42, a booster pump 43 and a spray pipe 44, wherein the rear part of the spray pipe 44 is provided with a plurality of spraying holes 44-1 at certain intervals transversely, the left side of the spray pipe 44 is provided with a sealing structure (the upper end and the lower end of the outer side of the left part and the outer side of the right part are respectively welded with a fixing piece with the holes), the left part and the right part of the spray pipe 44 are respectively arranged below the lower layer of the upper end of a window frame 6 through screw nuts, the spraying holes 44-1 of the spray pipe face the upper side end in glass of a window, the shell of the booster pump 43 is arranged at the lower part in the shell 41 through the screw nuts, the lower side end of the periphery of the cleaner tank 42 is arranged at the middle part of the upper end of the shell 41 through the screw nuts, the lower end of the cleaner tank 42 is welded with a liquid outlet pipe 42-1 communicated, a first electromagnetic water valve 21 is arranged on a liquid discharge pipe (positioned outside the left end of the shell) of the booster pump 43, liquid outlet ends of the first electromagnetic water valve 21 and the second electromagnetic water valve 22 are respectively connected with two liquid inlet ends of a three-way pipe 10 through pipelines and pipeline joints, a liquid inlet end of the second electromagnetic water valve 22 is connected with a tap water pipe through a rubber hose, the liquid outlet end of the three-way pipe 10 is connected with the right side of the spray pipe 44 through the rubber hose 11 (with the inner diameter of 5mm), the shell 41 is placed on the ground, a cleaning agent (paint cleaning agent) is filled in the cleaning agent tank 42, a vent 42-2 communicated with the interior of the cleaning agent tank 42 is arranged on the front side of an upper cover of the cleaning agent tank 42, and negative pressure generated in the cleaning agent tank 42 is.

As shown in fig. 2, the regulated power supply U1 is a finished product of an ac 220V-to-dc switching power supply module, and has two

ac terminals

1 and 2 pins, two dc power supply output terminals, a

first path

3 and 4 pins outputting 5V dc power and 100W, and a

second path

5 and 4 pins outputting 24V dc power and 1 KW. The electromagnetic water valves DC1 and DC2 are normal closed valve core electromagnetic water valves with working voltage of direct current 24V, power of 1W and Brand Deliki. The control circuit comprises a singlechip U2, a resistor R, a crystal oscillator BX, an electrolytic capacitor C1, relays J1, J2, J3, J4, J5, J6, J7, J8, J9 and J10, PNP triodes Q1, Q2, Q3, Q, Q5, Q6, Q7 and Q8, and photoelectric switches U3 and U4 which are connected through circuit board wiring; the photoelectric switches U3 and U4 are finished products of adjustable photoelectric switches of brand C-Lin/Xinling electric type E3F-DS30C, and comprise three leads, two

power input lines

1 and 2 pins, and a power output lead 3 pin, wherein when the adjustable photoelectric switches are in work, infrared light emitted by an emitting head at the front end of a detecting head is blocked by an article, after a receiving head of the detecting head receives the infrared light, the power output end 3 pin outputs a positive power supply, the rear side ends of shells of the photoelectric switches U3 and U4 are provided with adjusting knobs, the adjusting knobs rotate leftwards, the detection distance of the detecting head becomes close, the adjusting knobs rotate rightwards, the detection distance of the detecting head becomes farthest, and the detection distance is 30 centimeters (the distance is 2 centimeters after adjustment in the embodiment); the model of the singlechip U2 is AT89C 2051-24 PI, and a pin 1 AT the reset end of the singlechip U2 is connected with one end of a resistor R; the pin 4 and the pin 5 of the external crystal oscillator end of the singlechip U2 are respectively connected with the two ends of the crystal oscillator BX; the power supply comprises a negative power supply input end 10 pin of a singlechip U2, the other end of a resistor R, a negative electrode of an electrolytic capacitor C1, negative power supply input ends of ten relays J1, J2, J3, J4, J5, J6, J7, J8, J9 and J10, and negative power supply input ends of two photoelectric switches U3 and U4; the power supply input end 20 feet of the positive pole of the singlechip U2 is connected with the positive pole of an electrolytic capacitor C1, and emitting electrodes of eight PNP triodes Q1, Q2, Q3, Q, Q5, Q6, Q7 and Q8 are connected; eight PNP triodes Q1, Q2, Q3, Q, Q5, Q6, Q7 and Q8 are respectively connected with the positive power supply input ends of eight relays J1, J2, J3, J4, J5, J6, J7 and J8; eight low-level output ends 12, 13, 14, 15, 16, 17, 18 and 19 of the singlechip U2 are respectively connected with bases of eight PNP triodes Q1, Q2, Q3, Q4, Q5, Q6, Q7 and Q8; the power supply input ends of the positive electrodes of the two photoelectric switches U3 and U4, the control power supply input ends of the eighth relay J9 and the ninth relay J10, and the control power supply input ends of the first relay J1 and the fourth relay J4 are connected; the normally closed contact end of the ninth relay J9 is connected with the control power supply input ends of the second, fifth and seventh relays J2, J5 and J7; the normally closed contact end of the tenth relay J10 is connected with the control power supply input ends of the third, sixth and eighth relays J3, J6 and J8.

As shown in fig. 2, two

terminals

1 and 2 of the power input of regulated power supply U1 and two poles of 220V ac power supply are connected through leads respectively. Two

pins

3 and 4 at the power output end of the voltage-stabilized power supply U1 are respectively connected with

pins

20 and 10 of the singlechip U2 at the first power input end of the control circuit through leads. Two

pins

5 and 4 at the power output end of the regulated power supply U1 are respectively connected with the

pins

1 and 2 at the positive and negative pole power input ends of the photoelectric switches U3 and U4 at the second power input end of the control circuit through leads. The normally open contact end of a relay J1 at the first power output end of the control circuit and the power input end of the negative electrode of a relay J1 are respectively connected with two ends of the power input of a booster pump M and a first electromagnetic water valve DC1 of the detergent spraying equipment through leads. Two normally open contact ends of relays J2, J5 and J7 at the output end of a second power supply of the control circuit are respectively connected with the input ends of positive and negative pole power supplies of two sets of motor speed reducing mechanisms MN of the cleaning equipment through leads; two normally open contact ends of the relays J3, J6 and J8 are respectively connected with the input ends of the two sets of motor speed reducing mechanisms MN negative and positive poles of the cleaning equipment through leads. And a third power output end of the control circuit, namely a normally open contact end of a relay J4 and a negative power input end of a relay J4 are respectively connected with two power input ends of a second electromagnetic water valve DC2 through leads.

As shown in fig. 1 and 2, when a user needs to clean glass on one side of a window chamber of an automobile painting workshop (the outdoor side is not required to be cleaned under a general condition due to small probability of contacting paint, a set of the novel window cleaner can be installed on one side of the window chamber, and the inside and the outside of the window chamber are cleaned at the same time), a power switch SK is turned on, then a 220V alternating current power supply enters two ends of a power input end of a stabilized power supply U1, a stabilized power supply U1 outputs a stable 5V direct current power supply through 3 and 4 pins of the stabilized power supply U1 under the action of an internal circuit of the stabilized power supply U1, the stabilized power supply enters a positive and negative pole; under the action of an internal circuit of the stabilized voltage supply U1, a 5 pin and a 4 pin of the stabilized voltage supply U1 can output stable 24V direct current power to enter positive and negative pole power input ends of photoelectric switches U3 and U4, so that the photoelectric switches U3 and U4 are in an electrified working state, and meanwhile, the positive pole of the 24V power can enter control power input ends of relays J1, J4, J9 and J10, so that the control power input ends of the relays J1, J4, J9 and J10 are in an electrified working state. After the control circuit is electrified to work, the singlechip U2 outputs a low level for 5 seconds from a pin 12 of the singlechip U2 to enter a base electrode of a PNP triode Q1 under the combined action of an internal circuit of the singlechip U2, a crystal oscillator BX, an electrolytic capacitor C1 and a resistor R, then the PNP triode Q1 amplifies and inputs the low level power to a positive power input end (a negative power input end is connected with 4 pins of a stabilized voltage power supply U1) of a relay J1, the relay J1 is electrified to attract the control power input end and a normally open contact end of the relay to be in a closed state, because the control power input end of the relay J1 is connected with 5 pins of the stabilized voltage power supply U1, the normally open contact end and the negative power input end of the relay J1 are connected with two ends of a booster pump M and a first electromagnetic water valve DC1 power input end of the detergent spraying equipment, the booster pump M and the electromagnetic water valve DC1 can, the oxygenation pump M pumps the paint cleaning agent in the solvent tank 42 out and pressurizes, the paint cleaning agent is pumped out from a first electromagnetic water valve DC1 opened by a valve core and enters the spray pipe 44, the paint cleaning agent is sprayed on glass on the inner side of a window in a mist mode from a plurality of spray openings 44-1 behind the spray pipe, and the cleaning liquid sprayed on the glass flows downwards to enable the upper end and the lower end of the inner side of the glass to be provided with cleaning liquid; after 5 seconds, the 12 feet of the singlechip U2 stop outputting low level, the relay J1 stops attracting after losing power, then the booster pump M and the electromagnetic water valve DC1 both lose power and do not work any more (the valve core of the electromagnetic water valve DC1 is closed.) after the 12 feet of the singlechip U2 stop outputting low level, the interval is 1 second, the 13 th foot outputs 12 seconds of low level and enters the base electrode of the PNP triode Q2, then the PNP triode Q2 amplifies and inputs low level power to the positive power input end of the relay J2 in an inverting way (the negative power input end is connected with the 4 feet of the stabilized voltage power supply U1), and the relay J2 is electrified to attract two control power input ends and two normally open contact ends thereof to be in a closed state respectively; because two control power supply input ends of the relay J2 are connected with 5 and 4 pins of the regulated power supply U1, two normally open contact ends of the relay J2 are respectively connected with the positive and negative poles of two sets of motor reducing mechanisms MN of the cleaning equipment, (the positive pole of a 24V direct current power supply enters the positive control power supply input end of the relay J2 through the control power supply input end of the relay J9 and the normally closed contact end of the relay J9), the two sets of motor reducing mechanisms MN can simultaneously get electricity to work under the action of an internal motor and a multi-stage reducing gear, a winding wheel 31-1 at the front end of a power output shaft of the two sets of motor reducing mechanisms clockwise rotates to slowly and synchronously wind two steel wire ropes 32, so that the lower parts of the two steel wire ropes 32 respectively drive the cleaning roller 33 to move upwards along the inner side end of the glass through two shaft levers 33-1, and in the process, the inner side of an annular, The cleaning agent sprayed on the surface of the glass acts on the inner side surface of the glass through the wiping action, and the paint mist attached to the inner side surface of the glass is diluted, wiped and falls off from bottom to top; when the cleaning roller 33 moves upwards to the upper end of the glass and the lower end of a detection head of a first photoelectric switch U3 at a distance of about 2 cm and blocks infrared light emitted by the emission head of the photoelectric switch U3 for about 11 seconds, under the action of an internal circuit of the photoelectric switch U3, 3 pins of the photoelectric switch U3 can output high level to enter a positive power input end of a relay J9 (a negative power input end is connected with 4 pins of a stabilized voltage power supply U1), and then a relay J9 is electrified to pull in the power to control the power input end and a normally closed contact end to be open; because the positive pole of the 24V direct-current power supply is connected with the input end of the positive pole control power supply of the relay J2 through the input end of the control power supply of the relay J9, the normally closed contact end and the input end of the control power supply of the positive pole of the relay J2, the input end of the positive pole control power supply of the relay J2 is powered off at the moment, and then two sets of motor speed reducing mechanisms MN are powered off to stop working, and the cleaning roller 33 does not move upwards any more, so that the problem that the equipment cannot work normally due to the fact that the cleaning roller 33 moves upwards all the time is avoided (the two sets; in the process, two rectangular sliding blocks 35 will slide upwards in the two guide grooves 34 respectively to guide the cleaning roller 33 upwards.

As shown in fig. 1 and 2, after the pin 13 of the single chip microcomputer U2 stops outputting low level, at an interval of 1 second, the pin 14 outputs low level for 12 seconds and enters the base of the PNP transistor Q3, so that the PNP transistor Q3 amplifies and inputs low level power to the positive power input terminal of the relay J3 (the negative power input terminal is connected with the pin 4 of the regulated power supply U1), and the relay J3 is powered to pull in two control power input terminals and two normally open contact terminals of the relay J3 to be in a closed state respectively; because two control power supply input ends of the relay J3 are connected with 5 and 4 pins of the regulated power supply U1, two normally open contact ends of the relay J3 are respectively connected with negative and positive pole power supply input ends of two sets of motor reducing mechanisms MN of the cleaning equipment, and the positive pole of the 24V direct current power supply enters the positive pole control power supply input end of the relay J3 through the control power supply input end of the relay J10 and the normally closed contact end, within 12 seconds, the two sets of motor reducing mechanisms MN can simultaneously get electricity to work under the action of the internal motor and the multi-stage reducing gears, the winding wheel 31-1 at the front end of the power output shaft of the two sets of motor reducing mechanisms rotates anticlockwise to slowly and synchronously unreel the two steel wire ropes 32, so that the lower parts of the two steel wire ropes 32 descend, the two shaft levers 33-1 drive the cleaning roller 33 to descend from top to bottom along the, the gravity is larger than the acting force of the cloth sleeve 33-2 contacting the glass), in the process, the inner side of the annular cloth sleeve 33-2 at the outer side of the cleaning roller is tightly contacted with the inner side surface of the glass, the cleaning agent sprayed on the surface of the glass acts on the inner side surface of the glass through the wiping action, and the paint mist attached to the inner side surface of the glass is diluted again from top to bottom to be wiped and fall off; when the cleaning roller 33 descends to the lower end of the glass and the upper end of a detection head of a second photoelectric switch U4 at a distance of about 2 cm and blocks infrared light emitted by the emission head of the photoelectric switch U4 within about 11 seconds, under the action of an internal circuit of the photoelectric switch U4, 3 pins of the photoelectric switch U4 can output high level to enter the positive power input end of the relay J10 (the negative power input end is connected with 4 pins of the stabilized voltage power supply U1), and then the relay J10 is electrified to pull in the control power input end and the normally closed contact end to be open; because the positive pole of the 24V direct-current power supply is connected with the input end of the positive pole control power supply of the relay J3 through the input end of the control power supply of the relay J10, the normally closed contact end and the input end of the control power supply of the positive pole of the relay J3, the input end of the positive pole control power supply of the relay J3 is powered off at the moment, and then two sets of motor speed reducing mechanisms MN are powered off to stop working, and the cleaning roller 33 does not move downwards any more, so that the problem that the equipment cannot work normally due to the fact that the cleaning roller 33 moves downwards all the time is avoided (the; in the process, the two rectangular sliding blocks 35 slide down in the two guide grooves 34 respectively to guide the cleaning roller 33 downward. After the 14 feet of the singlechip U2 stop outputting low level, 1 second interval, the 15 feet output low level for 51 seconds and enter the base of the PNP triode Q4, then the PNP triode Q4 amplifies and inputs low level power to the positive power input end of the relay J4 (the negative power input end is connected with the 4 feet of the stabilized power supply U1), the relay J4 is electrified to attract the control power input end and the normally open contact end to be in a closed state, because the relay J4 controls the power input end to be connected with the 5 feet of the stabilized power supply U1, the normally open contact end and the negative power input end of the relay J4 are connected with the two ends of the power input end of the second electromagnetic water valve DC2, the electromagnetic water valve DC2 can be electrified to work within 51 seconds, tap water with pressure can enter the spray pipe 44 from the electromagnetic water valve DC2 opened by the valve core, and is sprayed on the inner glass of the inner side of the spray pipe through a plurality of spray holes 44-1 in a mist form, and spraying water on the glass to clean the glass. After the 14 feet of the singlechip U2 stop outputting low level, the low level is output by the 16 th foot for 12 seconds and enters the base electrode of the PNP triode Q5 at the interval of 1 second, then the PNP triode Q5 amplifies and inputs low level power to the positive power input end of the relay J5 in a phase inversion mode (the negative power input end is connected with the 4 feet of the stabilized voltage power supply U1), the relay J5 is electrified to pull in two control power input ends and two normally open contact ends of the relay J5 to be in a closed state respectively; because two control power supply input ends of the relay J5 are connected with 5 and 4 pins of the regulated power supply U1, two normally open contact ends of the relay J5 are respectively connected with positive and negative pole power supply input ends of two sets of motor reducing mechanisms MN of the cleaning equipment, and the positive pole of the 24V direct current power supply enters the positive pole control power supply input end of the relay J5 through the control power supply input end of the relay J9 and the normally closed contact end of the relay J9, within 12 seconds, the two sets of motor reducing mechanisms MN can simultaneously obtain electricity to work under the action of the internal motor and the multi-stage reducing gears, the winding wheel 31-1 at the front end of the power output shaft of the two sets of motor reducing mechanisms clockwise rotates to slowly and synchronously wind the two steel wire ropes 32, so that the lower parts of the two steel wire ropes 32 respectively drive the cleaning roller 33 to move from bottom to top along the inner side end of the glass through two shaft levers 33-1, combining with tap water sprayed on the surface of the glass at the moment, the tap water acts on the inner side surface of the glass through a wiping action, so that dirt attached to the inner side surface of the glass is cleaned from bottom to top; when the cleaning roller 33 moves upwards to the upper end of the glass and the lower end of a detection head of a first photoelectric switch U3 at a distance of about 2 cm and blocks infrared light emitted by the emission head of the photoelectric switch U3 within about 11 seconds, 3 pins of the photoelectric switch U3 can output high level to enter the positive power input end of the relay J9 under the action of an internal circuit, and then the relay J9 is electrified to pull the control power input end and the normally closed contact end of the relay J9 to be open; because the positive pole of the 24V direct-current power supply is connected with the input end of the positive pole control power supply of the relay J5 through the input end of the control power supply of the relay J9 and the normally closed contact end, the input end of the positive pole control power supply of the relay J5 is powered off at the moment, and then two sets of motor speed reducing mechanisms MN are powered off to stop working, the cleaning roller 33 does not move upwards any more, and the problem that the equipment cannot work normally due to the fact that the cleaning roller 33 moves upwards all the time is avoided. After the 16 feet of the singlechip U2 stop outputting low level, 1 second interval, the 17 th foot outputs low level for 12 seconds and enters the base electrode of the PNP triode Q6, then, the PNP triode Q6 amplifies the low level power and inputs the amplified low level power and the inverted low level power to the positive power input end of the relay J6 (the negative power input end is connected with the 4 feet of the regulated power supply U1), and the relay J6 electrically attracts and closes the two control power input ends and the two normally open contact ends of the relay J6 respectively; because two control power supply input ends of the relay J6 are connected with 5 and 4 pins of the regulated power supply U1, two normally open contact ends of the relay J6 are respectively connected with negative and positive pole power supply input ends of two sets of motor reducing mechanisms MN of the cleaning equipment, and the positive pole of the 24V direct current power supply enters the positive pole control power supply input end of the relay J6 through the control power supply input end of the relay J10 and the normally closed contact end, within 12 seconds, the two sets of motor reducing mechanisms MN can simultaneously get electricity to work under the action of the internal motor and the multi-stage reducing gears, the winding wheel 31-1 at the front end of the power output shaft of the two sets of motor reducing mechanisms rotates anticlockwise to slowly and synchronously unreel the two steel wire ropes 32, so that the lower parts of the two steel wire ropes 32 descend, the two shaft levers 33-1 drive the cleaning roller 33 to descend from top to bottom along the, gravity is larger than the acting force of the cloth sleeve 33-2 contacting the glass), in the process, the inner side of the annular cloth sleeve 33-2 at the outer side of the cleaning roller is tightly contacted with the inner side surface of the glass, and tap water sprayed on the surface of the glass at the moment is combined to act on the inner side surface of the glass through the wiping action, so that dirt attached to the inner side surface of the glass is cleaned from top to bottom; when the cleaning roller 33 descends to the lower end of the glass and the upper end of a detection head of a second photoelectric switch U4 at a distance of about 2 cm and blocks infrared light emitted by the emission head of the photoelectric switch U4 within about 11 seconds, 3 pins of the photoelectric switch U4 can output high level to enter the positive power input end of the relay J10 under the action of an internal circuit of the photoelectric switch U4, and then the relay J10 is electrified to pull the control power input end and the normally closed contact end of the relay J10 to be open; because, the 24V direct current power supply positive pole is continuous through relay J10 control power input end, normally closed contact end and relay J6 positive pole control power input end, so relay J6 positive pole control power input end can lose the electricity at this moment, and then two sets of motor reduction gears MN can lose the electricity and stop work, and cleaning roller 33 is also no longer down, prevents that cleaning roller 33 from causing equipment unable normal work down all the time.

Shown in fig. 1 and 2. After the pin 17 of the singlechip U2 stops outputting low level, the interval is 1 second, the pin 18 outputs low level for 12 seconds and enters the base electrode of the PNP triode Q7, then the PNP triode Q7 amplifies and inputs low level power to the positive power input end of the relay J7 in a phase inversion mode (the negative power input end is connected with the pin 4 of the regulated power supply U1), the relay J7 is electrified to pull in two control power input ends and two normally open contact ends of the relay J7 to be in a closed state respectively; because two control power supply input ends of the relay J7 are connected with 5 and 4 pins of the regulated power supply U1, two normally open contact ends of the relay J7 are respectively connected with positive and negative pole power supply input ends of two sets of motor reducing mechanisms MN of the cleaning equipment, and the positive pole of the 24V direct current power supply enters the positive pole control power supply input end of the relay J7 through the control power supply input end of the relay J9 and the normally closed contact end of the relay J9, within 12 seconds, the two sets of motor reducing mechanisms MN can simultaneously obtain electricity to work under the action of the internal motor and the multi-stage reducing gears, the winding wheel 31-1 at the front end of the power output shaft of the two sets of motor reducing mechanisms clockwise rotates to slowly and synchronously wind the two steel wire ropes 32, so that the lower parts of the two steel wire ropes 32 respectively drive the cleaning roller 33 to move from bottom to top along the inner side end of the glass through two shaft levers 33-1, combining with the tap water sprayed on the surface of the glass at the moment, the tap water acts on the inner side surface of the glass through a wiping action, so that the dirt attached to the inner side surface of the glass is cleaned again from bottom to top; when the cleaning roller 33 moves upwards to the upper end of the glass and the lower end of a detection head of a first photoelectric switch U3 at a distance of about 2 cm and blocks infrared light emitted by the emission head of the photoelectric switch U3 within about 11 seconds, 3 pins of the photoelectric switch U3 can output high level to enter the positive power input end of the relay J9 under the action of an internal circuit, and then the relay J9 is electrified to pull the control power input end and the normally closed contact end of the relay J9 to be open; because the positive pole of the 24V direct-current power supply is connected with the input end of the positive pole control power supply of the relay J7 through the input end of the control power supply of the relay J9 and the normally closed contact end, the input end of the positive pole control power supply of the relay J7 is powered off at the moment, and then two sets of motor speed reducing mechanisms MN are powered off to stop working, the cleaning roller 33 does not move upwards any more, and the problem that the equipment cannot work normally due to the fact that the cleaning roller 33 moves upwards all the time is avoided. After the 18 feet of the singlechip U2 stop outputting low level, the interval is 1 second, the 19 th foot outputs low level for 12 seconds and enters the base electrode of the PNP triode Q8, then the PNP triode Q8 amplifies and inputs low level power to the positive power input end of the relay J8 (the negative power input end is connected with the 4 feet of the regulated power supply U1), and the relay J8 electrically attracts and closes the two control power input ends and the two normally open contact ends of the relay J8 respectively; because two control power supply input ends of the relay J8 are connected with 5 and 4 pins of the regulated power supply U1, two normally open contact ends of the relay J8 are respectively connected with negative and positive pole power supply input ends of two sets of motor reducing mechanisms MN of the cleaning equipment, and the positive pole of the 24V direct current power supply enters the positive pole control power supply input end of the relay J8 through the control power supply input end of the relay J10 and the normally closed contact end, within 12 seconds, the two sets of motor reducing mechanisms MN can simultaneously get electricity to work under the action of the internal motor and the multi-stage reducing gears, the winding wheel 31-1 at the front end of the power output shaft of the two sets of motor reducing mechanisms rotates anticlockwise to slowly and synchronously unreel the two steel wire ropes 32, so that the lower parts of the two steel wire ropes 32 descend, the two shaft levers 33-1 drive the cleaning roller 33 to descend from top to bottom along the, the gravity is larger than the acting force of the cloth sleeve 33-2 contacting the glass), in the process, the inner side of the annular cloth sleeve 33-2 at the outer side of the cleaning roller is tightly contacted with the inner side surface of the glass, tap water sprayed on the surface of the glass at the moment is combined to act on the inner side surface of the glass through the wiping action, and then dirt attached to the inner side surface of the glass is cleaned from top to bottom; when the cleaning roller 33 descends to the lower end of the glass and the upper end of a detection head of a second photoelectric switch U4 at a distance of about 2 cm and blocks infrared light emitted by the emission head of the photoelectric switch U4 within about 11 seconds, 3 pins of the photoelectric switch U4 can output high level to enter the positive power input end of the relay J10 under the action of an internal circuit of the photoelectric switch U4, and then the relay J10 is electrified to pull the control power input end and the normally closed contact end of the relay J10 to be open; because, the 24V direct current power supply positive pole is continuous through relay J10 control power input end, normally closed contact end and relay J8 positive pole control power input end, so relay J8 positive pole control power input end can lose the electricity at this moment, and then two sets of motor reduction gears MN can lose the electricity and stop work, and cleaning roller 33 is also no longer down, prevents that cleaning roller 33 from causing equipment unable normal work down all the time. When the pin 19 of the single chip microcomputer U2 stops outputting low level, the pin 15 of the single chip microcomputer U2 also stops outputting low level, further the relay J4 loses power and does not attract the control power supply input end and the normally open contact end to be opened, the electromagnetic water valve DC2 loses power and is closed, and a cleaning cycle is completed to prepare for next use. After the pin 19 of the single chip microcomputer U2 stops outputting low level, the interval is 1 second, the pin 12 outputs low level again for 5 seconds, the interval is 1 second, the pin 13 outputs low level again for 12 seconds, the interval is 1 second, the pin 14 outputs low level again for 12 seconds, the interval is 1 second, the pin 15 outputs low level again for 52 seconds, the pin 16 outputs low level again for 12 seconds, the interval is 1 second, the pin 17 outputs low level … … again, the circulation is continued, the working flow is consistent with the working flow, the single chip microcomputer U2 controls the electromagnetic water valves DC2, DC1 and the booster pump M respectively, and controls two sets of motor reducing mechanisms MN to drive related mechanisms to clean the glass again. In practical application, after the glass is cleaned, the user can turn off the power switch SK, and the whole device stops working to prepare for the next cleaning (at ordinary times, the user pays attention to the amount of cleaning solvent in the solvent tank 42, and the cleaning solvent is added in a supplement manner if the cleaning solvent is not enough). Through the circuit effect, this novel do not need artifical instrument cleaning operation of ascending a height that adopts, in using, when needing clean daylighting glass, operating personnel only need open switch, control circuit will automatic cycle control cleaning device's cleaning roller up-and-down motion, can also control in good time cleaner spraying equipment and carry out the cleaner spraying to glass to and the control running water washes glass, and then the cleaning sleeve in the cleaning roller outside can be under the effect of cleaner and running water, will be located the inboard glass cleanness in workshop. This is novel can reach unmanned operation, has reduced the artifical expenditure of production side, has reduced the probability that personnel take place various accidents because of ascending a height moreover.

As shown in fig. 2, regulated power supply U1 is manufactured by the manufacturer as "cloud on". In the control circuit: the resistance value of the resistor R is 1K, the specification of the crystal oscillator BX is 11.0592MHz, the specification of the electrolytic capacitor C1 is 10 muF/25V, the models of the relays J1, J2, J3, J4, J5, J6, J7 and J8 are 4123/DC5V, the models of the PNP triode Q1, Q2, Q3, Q4, Q5, Q6, Q7 and Q8 are 9012, the models of the relays J9 and J10 are 4123/DC24V, and the working voltage of the photoelectric switches U3 and U4 is 24V. The two sets of motor reducing mechanisms are 24V direct current motor gear reducers of the brand orthodox department, and the power is 50W; the booster pump M is a finished product of a brand name Lei booster pump, the model is DCZB-24, the lift is 15 meters, and the power is 260W.

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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A glass cleaning device for a paint spraying workshop comprises a voltage-stabilized power supply and an electromagnetic water valve, and is characterized by also comprising cleaning equipment, cleaning agent spraying equipment and a control circuit; the upper end of a window frame of a window in a paint spraying workshop is divided into two layers; the cleaning device comprises two sets of motor reducing mechanisms, steel wire ropes, cleaning rollers, guide grooves and sliding blocks, wherein the two guide grooves are fixedly arranged on the left inner side and the right inner side of a window frame respectively; two sliding blocks of the cleaning equipment are respectively sleeved between the inner side and the outer side of the two guide grooves, the middle parts of the left end and the right end of the lower layer of the upper end of the window frame are respectively provided with an opening, two sets of motor reducing mechanisms are respectively and fixedly arranged at the left end and the right end of the upper layer of the lower layer of the upper end of the window frame, winding wheels are respectively and fixedly arranged in front of power output shafts of the two sets of motor reducing mechanisms, the lower ends of two steel wire ropes are respectively and fixedly arranged at the upper ends of two shaft levers; the lower end and the upper end lower layer of the window frame are respectively provided with an opening, two photoelectric switch shells of the control circuit are respectively arranged in the two openings, the photoelectric switch detecting head in the opening at the lower layer of the upper end of the window frame faces to the lower end, and the photoelectric switch detecting head in the opening at the lower end of the window frame faces to the upper end; the cleaning agent spraying equipment and the two electromagnetic water valves are installed together; the stabilized voltage supply and the control circuit are arranged in the element box; the power input ends of the first path, the second path and the third path of the control circuit are respectively connected with a booster pump and a first electromagnetic water valve of the detergent spraying equipment, two sets of motor speed reducing mechanisms of the cleaning equipment and the power input ends of a second electromagnetic water valve of the cleaning equipment through leads.

2. The paint spraying workshop glass cleaning device as claimed in claim 1, wherein the cleaning roller has a transverse length smaller than that of the window glass, and a front end of a cleaning sleeve of the cleaning roller is closely attached to an inner end of the window glass.

3. The paint spraying workshop glass cleaning device as claimed in claim 1, wherein the window frame has integrally formed sealing plates at the front and movable sealing plates at the rear of the two layers at the upper end of the window frame.

4. The paint spraying workshop glass cleaning device as claimed in claim 1, wherein the cleaner spraying device comprises a housing, a cleaner tank, a booster pump and a spraying pipe, the rear portion of the spraying pipe is provided with a plurality of spraying openings at certain intervals, one side of the spraying pipe is provided with a sealing structure, the left portion and the right portion of the spraying pipe are respectively and fixedly arranged below the lower layer of the upper end of the window frame, the spraying hole of the spraying pipe faces the upper side end in the glass of the window, the booster pump is fixedly arranged at the lower portion in the housing, the cleaner tank is fixedly arranged at the upper end of the housing, the lower end of the cleaner tank is fixedly provided with a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe of the booster pump are connected through a hose, the liquid outlet pipe of the booster pump is provided with a first electromagnetic water valve, the liquid outlet ends of the first electromagnetic water valve and the second electromagnetic water valve are respectively connected with two liquid inlet ends of a, the liquid outlet end of the three-way pipe is connected with the other side of the spraying pipe through a hose, the shell is placed on the ground, and a cleaning agent is filled in the cleaning agent tank.

5. The paint spraying plant glass cleaning device according to claim 1, wherein the regulated power supply is an AC-to-DC switching power supply module.

6. The paint spraying plant glass cleaning device as claimed in claim 1, wherein the electromagnetic water valve is a normally closed valve core electromagnetic water valve.

7. The paint spraying workshop glass cleaning device according to claim 1, wherein the control circuit comprises a single chip microcomputer, a resistor, a crystal oscillator, an electrolytic capacitor, a relay, PNP triodes and photoelectric switches, which are connected through circuit board wiring, the model of the single chip microcomputer is AT89C 2051-24 PI, the reset end 1 pin of the single chip microcomputer is connected with one end of the resistor, the external crystal oscillator end 4 pins and 5 pins of the single chip microcomputer are respectively connected with two ends of the crystal oscillator, the negative electrode power input end 10 pin of the single chip microcomputer is connected with the other end of the resistor, the negative electrode of the electrolytic capacitor, the negative electrode power input ends of ten relays and the negative electrode power input ends of two photoelectric switches, the positive electrode power input end 20 pin of the single chip microcomputer is connected with the positive electrodes of the electrolytic capacitor and eight PNP triodes, and the collectors of the eight PNP triodes are respectively connected with the positive electrode power input ends of the first, second, eight low level output terminals 12, 13, 14, 15, 16, 17, 18, 19 feet of the singlechip are respectively connected with eight PNP triode bases, two photoelectric switch positive power input terminals, an eighth relay control power input terminal and a ninth relay control power input terminal, a first relay control power input terminal and a fourth relay control power input terminal are connected, a ninth relay normally-open contact terminal is connected with a second relay, a fifth relay and a seventh relay control power input terminal, a tenth relay normally-open contact terminal is connected with a third relay, a sixth relay and an eighth relay control power input terminal.