CN115837324A

CN115837324A - Paint spraying device with cleaning function

Info

Publication number: CN115837324A
Application number: CN202210879885.1A
Authority: CN
Inventors: 吴淑玉; 黄其州; 岳腾霄; 卢裕夫; 李海涛; 薛翔; 吴小亮
Original assignee: Hainan Nuclear Power Co Ltd
Current assignee: Hainan Nuclear Power Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-03-24

Abstract

The invention relates to a paint spraying device with a cleaning function, which comprises a base, a first motor, a trigger switch and a controller, wherein a tip cone clamping mechanism is arranged at the lower part of the base, a reciprocating screw rod and a guide rod are arranged at the upper part of the base, a screw rod seat is jointly penetrated through the reciprocating screw rod and the guide rod, a paint spraying machine is arranged at the top of the screw rod seat, a telescopic mechanism and a nozzle are arranged at the bottom of the screw rod seat, a pneumatic motor is connected onto the telescopic mechanism, a steel brush is arranged on an output shaft of the pneumatic motor, the pneumatic motor is connected with a gas supply device, a spray pipe is connected onto an exhaust port of the pneumatic motor, the nozzle is connected to the paint spraying machine, the first motor is connected to the reciprocating screw rod in a driving mode, the trigger switch is arranged on the base and is aligned to the screw rod seat, and the controller is respectively and electrically connected to the telescopic mechanism, the trigger switch, the paint spraying machine, the first motor, the tip cone clamping mechanism and the gas supply device. Can carry out effectual comprehensive clearance to the pipe fitting before spraying paint, and after the clearance is accomplished, can also carry out the automation and spray paint, when improving the effect of spraying paint, still liberated the hand labor power.

Description

Paint spraying device with cleaning function

Technical Field

The invention belongs to the technical field of pipeline surface corrosion prevention, and particularly relates to a paint spraying device with a cleaning function.

Background

Nuclear power plants are usually built on seasides or islands, a large amount of pipelines are needed to convey fluid mediums, such as water, gas and oil, in the nuclear power plants, and most of the pipelines are exposed outdoors or underground, so that the outer surfaces of the pipelines are extremely easy to corrode. In order to ensure the safe and stable operation of the nuclear power plant, the outer surface of the purchased pipeline is generally painted. However, in the prior art, the pipeline is mainly painted by using a paint sprayer and a spray gun, the pipeline is placed on a supporting platform to be fixed in the operation process, paint is conveyed to the spray gun through the paint sprayer, the spray gun is manually held to move back and forth to spray the outer surface of the pipeline, dust, rust and other attached dirt often exist on the pipeline, and the quality of a paint surface is easily influenced if the pipeline is not cleaned before painting. Therefore urgently needed to provide a paint spraying apparatus with clearance function, can carry out effectual comprehensive clearance to the pipe fitting before spraying paint, and after the clearance is accomplished, can also carry out automatic spraying paint, when improving the effect of spraying paint, still liberated the hand labor power.

Disclosure of Invention

The invention provides a paint spraying device with a cleaning function, which can effectively and comprehensively clean a pipe fitting before paint spraying, can automatically spray paint after the cleaning is finished, and liberates manual labor while improving the paint spraying effect.

The technical scheme adopted by the invention is as follows:

the utility model provides a paint spraying apparatus with clearance function, includes base, motor one, trigger switch and controller, the lower part of base is equipped with apical cone fixture, base upper portion is equipped with reciprocal lead screw and guide arm, wear to be equipped with the lead screw seat on reciprocal lead screw and the guide arm jointly, be equipped with the paint spraying machine on the lead screw seat top, and its bottom is equipped with telescopic machanism and nozzle, the last pneumatic motor that is connected with of telescopic machanism, the last steel brush that is equipped with of pneumatic motor's output shaft, pneumatic motor is connected with air feeder, and is connected with the spray tube on its gas vent, the shower nozzle connect in the paint spraying machine, motor one drive connect in reciprocal lead screw, trigger switch locate on the base and align in the lead screw seat, the controller electricity respectively connect in telescopic machanism, trigger switch, paint spraying machine, apical cone fixture, motor one and air feeder.

Further, the tip cone clamping mechanism comprises a screw thread and is arranged on one side of the base in a penetrating mode, the screw thread and the rotation are arranged on the other side of the base in a penetrating mode, a first tip cone and a handle are arranged at two ends of the screw thread respectively, the first tip cone is connected with the screw in a rotating mode, a second tip cone and a second motor are arranged at two ends of the support shaft respectively, the second tip cone is fixedly connected with the support shaft, the second motor is installed on the base, and the controller is electrically connected with the second motor.

Further, telescopic machanism is including locating spout on the lead screw seat bottom, be equipped with the slider in the spout, be connected with the telescopic link between slider top and spout top, the telescopic link with controller electric connection, pneumatic motor install in on the slider bottom, just be equipped with the baffle between slider and shower nozzle.

Furthermore, the paint spraying machine is connected with the spray head through a guide pipe, and the first motor is installed on the side wall of the base.

Further, the air feeder is including locating air compressor on the lead screw seat top, air compressor with controller electric connection, air compressor pass through exhaust pipe one connect in pneumatic motor.

Further, air feeder still includes gas holder, support and piston, be equipped with pressure sensor and relief valve on the gas holder, blast pipe one connect in the steam storage tank, just be equipped with flow control valve on the blast pipe one, air compressor pass through intake pipe one with gas tank connection, the support mounting is subaerial, be equipped with the cylinder on the support, be equipped with blast pipe two and intake pipe two on the cylinder top, be equipped with exhaust check valve and air inlet check valve on blast pipe two and the intake pipe two respectively, blast pipe two connect in the gas holder, the piston is located in the cylinder, be equipped with the piston rod on the piston, the piston rod tip is equipped with the floating block, the floating block is located on the sea, air compressor, pressure sensor and controller electric connection.

Further, the base bottom is equipped with the waste material chamber, the both sides in waste material chamber all are equipped with the dryer, be equipped with induced draft fan and active carbon filtering layer in the dryer.

Compared with the prior art, the invention has the beneficial effects that:

1. the air supply device is used for supplying air to the pneumatic motor, the pneumatic motor drives the steel brush to rotate to clean the pipe fitting performance, high-pressure air exhausted by the upper pneumatic motor is conveyed to the spray pipe to blow dirt on the pipe fitting, in the process, the controller controls the motor to drive the reciprocating screw rod to rotate, the reciprocating screw rod drives the screw rod seat to move back and forth, the screw rod seat drives the pneumatic motor to move along the surface of the pipe fitting, the controller starts counting after the screw rod seat touches the trigger switch, when a preset value is reached, the controller controls the tip cone clamping mechanism to drive the pipe fitting to rotate for a preset angle, the next surface of the pipe fitting is continuously cleaned until the spraying on the surface of the whole pipe fitting is completed, the automatic comprehensive cleaning of the pipe fitting before the spraying is realized, and the adhesive force and the paint surface quality are greatly improved; and when the pneumatic motor drives the steel brush to brush and sweep the pipe fitting, the dirt on the pipe fitting is blown down by the high-pressure air discharged by the pneumatic motor, so that the comprehensive automatic cleaning before paint spraying is effectively realized, and the cleaning effect is good.

2. After the clearance is accomplished, control air feeder stops to the air motor air feed, and utilize telescopic machanism to drive the steel brush and upwards remove and leave the pipeline surface, the controller control paint spraying machine carries the paint to the shower nozzle, the lead screw seat drives the shower nozzle and sprays paint to the pipe fitting, at this in-process, the controller begins the count after the contact of lead screw seat in trigger switch, after reaching preset value, controller control apex cone fixture drives the pipe fitting and rotates preset angle, until accomplishing the spraying to whole pipe fitting surface, realize full-automatic clearance and spray paint, the paint surface quality uniformity is good, it is efficient to spray paint, the hand labor has effectively been liberated.

3. The floating block is driven to float up and down by the potential energy of sea waves and drives the piston to slide in the cylinder through the piston rod, so that the air inlet check valve and the air exhaust check valve are opened and closed alternately, air is pumped into the air storage tank to be stored, power is provided for the pneumatic motor, natural energy is fully utilized, and the effects of energy conservation and environmental protection are achieved.

Drawings

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic partial structure diagram of the second embodiment;

FIG. 4 is a partial schematic structural diagram of the second embodiment;

in the figure: 1. a pipe fitting; 2. a waste chamber; 3. a base; 4. an air suction fan; 5. an air duct; 6. an activated carbon filter layer; 7. a tip cone I; 8. a handle; 9. a screw; 10. a second tip cone; 11. a flow control valve; 12. a guide bar; 13. a reciprocating screw rod; 14. a first exhaust pipe; 15. an air compressor; 16. a screw rod seat; 17. a paint spraying machine; 18. a conduit; 19. a trigger switch; 20. a first motor; 21. a controller; 22. a second motor; 23. a support shaft; 24. a steel brush; 25. a pneumatic motor; 26. a slider; 27. a chute; 28. a telescopic rod; 29. a spray head; 30. a partition plate; 31. a nozzle; 32. a gas storage tank; 33. a pressure relief valve; 34. a pressure sensor; 35. a second exhaust pipe; 36. an exhaust check valve; 37. a second air inlet pipe; 38. an air inlet check valve; 39. a cylinder; 40. a piston; 41. a piston rod; 42. floating blocks; 43. a support; 44. and a first air inlet pipe.

Detailed Description

In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 2, the invention provides a paint spraying device with a cleaning function, which comprises a base 3, a first motor 20, a trigger switch 19 and a controller 21, wherein the trigger switch 19 is a travel switch, a tip cone clamping mechanism is arranged at the lower part of the base 3, a reciprocating screw 13 and a guide rod 12 are arranged at the upper part of the base 3 in parallel, the reciprocating screw 13 and the guide rod 12 are both connected with two side walls of the base 3, a screw base 16 is arranged on the reciprocating screw 13, the guide rod 12 is slidably arranged on the screw base 16 in a penetrating manner, a paint spraying machine 17 is arranged at the top of the screw base 16, a telescopic mechanism and a nozzle are arranged at the bottom of the screw base 16, a pneumatic motor 25 is connected to the telescopic mechanism, a steel brush 24 is arranged on an output shaft of the pneumatic motor 25, the pneumatic motor 25 is connected with an air supply device, a spraying pipe 31 is connected to an exhaust port of the pneumatic motor 25, the nozzle 29 is connected to the paint spraying machine 17 through a guide pipe 18, the first motor 20 is connected to the reciprocating screw 13, the first motor 20 is arranged on the side wall of the base 3, the trigger switch 19 is arranged on the base 3 and aligned to the screw base 16, the controller 21 is respectively and electrically connected to the telescopic mechanism, the trigger switch 19, the first motor 21 and the second motor 21 are electrically connected to the PLC 21S-21S-21;

when spraying paint, the pipe fitting 1 is clamped in the base 3 by the tip cone clamping mechanism, the controller 21 controls the telescopic mechanism to drive the pneumatic motor 25 to move downwards, the pneumatic motor 25 drives the steel brush 24 to be attached to the outer surface of the pipe fitting 1, the air supply device supplies air to the pneumatic motor 25, the pneumatic motor 25 drives the steel brush 24 to rotate to clean the surface of the pipe fitting 1, high-pressure air discharged by the pneumatic motor 25 is conveyed to the spray pipe 31, the spray pipe 31 blows the surface of the pipe fitting 1 to blow dirt on the pipe fitting 1, the discharged air is fully utilized to clean again, the cleaning effect is good, good energy utilization is realized, and the energy-saving effect is achieved; in the process, the controller 21 controls the first motor 20 to drive the reciprocating screw rod 13 to rotate, the reciprocating screw rod 13 drives the screw rod seat 16 to move, the screw rod seat 16 drives the pneumatic motor 25 to move towards the left side along the surface of the pipe fitting 1, the screw rod seat 16 moves back and forth on the reciprocating screw rod 13, the screw rod seat 16 touches the trigger switch 19 and transmits the trigger switch to the controller 21, the controller 21 starts counting, and when a preset value is reached (the preset value is an integral multiple of 1), the controller 21 sends a preset number of pulse signals to the tip cone clamping mechanism, so that the tip cone clamping mechanism drives the pipe fitting 1 to rotate by a preset angle, the screw rod seat 16 continues to drive the nozzle to spray the next surface of the pipe fitting 1 until the pipe fitting 1 rotates for one circle to finish the spray cleaning of the outer surface of the whole pipe fitting 1, the pipe fitting 1 is automatically cleaned before the spray coating, and the paint adhesion and the paint surface quality are improved.

After cleaning, controlling the air supply device to stop supplying air to the pneumatic motor 25, controlling the controller 21 to control the telescopic mechanism to drive the pneumatic motor 25 to move upwards, driving the steel brush 24 and the spray pipe 31 to be far away from the surface of the pipe fitting 1 by the pneumatic motor 25, controlling the paint sprayer 17 to convey paint to the spray head 29 by the controller 21, driving the spray head 29 to move towards the left side along the axial direction of the pipe fitting 1 by the screw rod base 16 and spray paint to the pipe fitting 1, in the process of spraying paint, after the screw rod base 16 moves back and forth on the reciprocating screw rod 13, touching the trigger switch 19 and transmitting the trigger switch to the controller 21 by the screw rod base 16, starting counting by the controller 21, after reaching the preset value (preset value is the integral multiple of 1), controller 21 sends the pulse signal of preset quantity to the tip cone fixture, make tip cone fixture drive pipe fitting 1 and rotate preset angle, make the lead screw seat 16 continue to drive shower nozzle 29 and spray paint to pipe fitting 1 next surface, rotate a week in order to accomplish the spray paint to whole pipe fitting 1 surface until pipe fitting 1, and realize automatic clearance and the spray paint to whole pipe fitting 1 surface, be favorable to improving the adhesive force and the lacquer painting quality of paint, it is efficient to spray paint, and effectual, and reduced the operation labour that sprays paint.

Specifically, the tip cone clamping mechanism comprises a screw rod 9 which is threaded on the left side wall of the base 3 and a support shaft 23 which is rotatably arranged on the right side wall of the base 3, a tip cone I7 and a handle 8 are respectively arranged at two ends of the screw rod 9, the tip cone I7 is rotatably connected with the screw rod 9 through a bearing, a tip cone II 10 and a motor II 22 are respectively arranged at two ends of the support shaft 23, the tip cone II 10 is fixedly connected with the support shaft 23, the support shaft 23 is rotatably connected with the base 3 through a bearing, the motor II 22 is fixedly arranged on the right side wall of the base 3, the screw rod 9 is driven to rotate on the left side wall of the base 3 by rotating the handle 8, the screw rod 9 is screwed into the inner side of the base 3, so as to drive the tip cone I7 to move close to the tip cone II 10, the first tip cone 7 and the second tip cone 10 are clamped in inner holes at two ends of the pipe fitting 1 respectively, the screw rod 9 is locked on the side wall of the base 3 through threads, the controller 21 is electrically connected with the second motor 22, the second motor 22 adopts a servo motor, the servo motor adopts an encoder of 2500 lines per rotation, the controller 21 counts to reach a preset value and sends 250 pulses to the second motor 22, so that the second motor 22 rotates for 18 degrees, the rotation direction of the second motor 22 is the same as the rotation direction of the screw rod 9 screwed into the base 3 (for clamping the pipe fitting 1), when the second motor 22 drives the pipe fitting 1 to rotate, the screw rod 9 can be enabled to be kept locked on the left side wall of the base 3, the clamping stability of the clamping piece is improved, and the clamping effect is improved; and the matching design of the first tip cone 7 and the second tip cone 10 is utilized, so that the clamping device can be suitable for clamping the pipe fittings 1 with different specifications, and the problem that the paint spraying surface is incomplete due to the fact that the pipe fittings 1 are clamped on the outer surface is solved.

Specifically, telescopic machanism is including locating spout 27 on the lead screw seat 16 bottom, be equipped with slider 26 in the spout 27, spout 27 and slider 26's cross section is square, be connected with telescopic link 28 between slider 26 top and the spout 27 top, telescopic link 28 adopts electric telescopic handle 28, telescopic link 28 and 21 electric connection of controller, pneumatic motor 25 installs on slider 26 bottom, controller 21 control telescopic link 28 work slides in spout 27 in order to drive slider 26, slider 26 drives pneumatic motor 25 flexible, utilize slider 26 to avoid pneumatic motor 25 to rotate on telescopic link 28 is whole, and then improve the effect of spraying paint, and be equipped with baffle 30 between slider 26 and shower nozzle 29, utilize telescopic link 28 to drive behind 24 withdrawal baffles 30 of steel brush, avoid spraying paint on 24 and the spray tube 31 when spraying paint, and then influence the clearance effect.

Specifically, the air supply device includes an air compressor 15 disposed on the top of the screw seat 16, the air compressor 15 is electrically connected to the controller 21, and the air compressor 15 is connected to the air motor 25 through the first exhaust pipe 14. The controller 21 controls the air compressor 15 to operate, and the air compressor 15 supplies high-pressure air to the air motor 25 through the first exhaust pipe 14.

It is specific, 3 bottoms of base are equipped with waste material chamber 2, waste material chamber 2 is used for collecting the foul or the lacquer sediment that blow off on the pipe fitting 1, waste material chamber 2's both sides all are equipped with dryer 5, be equipped with induced-draft fan 4 and activated carbon filter layer 6 in the dryer 5, when clearing up the pipe fitting 1 surface, induced draft through starting induced-draft fan 4, spray tube 31 jets out to pipe fitting 1 simultaneously, form the air convection, in order to inhale dryer 5 with the suspension foul that blows off on the pipe fitting 1, and then by activated carbon filter layer 6 absorption, adsorption effect is good, also can start induced-draft fan 4 when spraying paint in addition, in order to suspend the paint in the air on activated carbon filter layer 6, avoid paint and float in the air and cause the pollution to the environment in the foul, environmental protection effect is good.

Example two:

referring to fig. 3 to 4, the difference from the first embodiment is that:

the air supply device also comprises an air storage tank 32, an air compressor 15, a support 43 and a piston 40, wherein a pressure sensor 34 is arranged in the air storage tank 32, a pressure release valve 33 and a first exhaust pipe 14 are arranged on the air storage tank 32, when the pressure in the air storage tank 32 is too high, the pressure release valve 33 is used for releasing the pressure, a flow control valve 11 is arranged on the first exhaust pipe 14, the first exhaust pipe 14 is connected with the air motor 25, the air input quantity transmitted to the air motor 25 is adjusted through the flow control valve 11, the air compressor 15 transmits air to the air storage tank 32 through a first air inlet pipe 44, a check valve is arranged in the first air inlet pipe 44 or the air compressor 15, the purpose of preventing the air leakage in the air storage tank 32 is realized, the pressure sensor 34 is electrically connected with the controller 21, when the pressure sensor 34 detects that the air pressure in the air storage tank 32 is lower than a preset value, the controller 21 receives a pressure signal and controls the air compressor 15 to supply air to the air storage tank 32, when sea waves are small, the situation that the air pressure in the air storage tank 32 is insufficient due to long-time paint spraying operation is avoided, the normal operation of the long-time paint spraying operation is ensured, the support 43 is fixedly arranged on the ground, the air cylinder 39 is fixedly arranged on the support 43, the exhaust pipe II 36 and the air inlet pipe II 37 are arranged on the top of the air cylinder 39, the exhaust pipe II 36 and the air inlet pipe II 37 are respectively provided with the exhaust check valve 36 and the air inlet check valve 38, the exhaust pipe II 36 is connected with the air storage tank 32, the piston 40 is slidably arranged in the air cylinder 39, the piston rod 41 is arranged on the piston 40, the floating block 42 is arranged on the sea surface, the floating block 42 is driven by the potential energy of the sea waves to float up and down, the piston 40 is driven by the piston rod 41 to slide in the air cylinder 39, so that the air inlet check valve 38 and the exhaust check valve 36 are alternately opened and closed to pump air into the air cylinder 39, and then pumped into the gas storage tank 32 from the cylinder 39 for storage, thereby fully utilizing the natural energy and achieving the effects of energy conservation and environmental protection.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a paint spraying apparatus with clearance function which characterized in that: including base, motor one, trigger switch and controller, the lower part of base is equipped with tip cone fixture, base upper portion is equipped with reciprocal lead screw and guide arm, wear to be equipped with the lead screw seat jointly on reciprocal lead screw and the guide arm, be equipped with the paint spraying machine on the lead screw seat top, and its bottom is equipped with telescopic machanism and nozzle, the last pneumatic motor that is connected with of telescopic machanism, be equipped with the steel brush on the output shaft of pneumatic motor, pneumatic motor is connected with air feeder, and is connected with the spray tube on its gas vent, the shower nozzle connect in the paint spraying machine, motor one drive connect in reciprocal lead screw, trigger switch locates on the base and align in the lead screw seat, the controller electricity respectively connect in telescopic machanism, trigger switch, paint spraying machine, tip cone fixture, motor one and air feeder.

2. The paint spraying apparatus with a cleaning function according to claim 1, characterized in that: the tip cone clamping mechanism comprises a screw thread arranged on one side of the base in a penetrating mode and a supporting shaft arranged on the other side of the base in a rotating mode, a first tip cone and a handle are arranged at two ends of the screw rod respectively, the first tip cone is connected with the screw rod in a rotating mode, a second tip cone and a second motor are arranged at two ends of the supporting shaft respectively, the second tip cone is fixedly connected with the supporting shaft, the second motor is installed on the base, and the controller is electrically connected with the second motor.

3. The paint spraying apparatus with a cleaning function according to claim 1, characterized in that: telescopic machanism is including locating spout on the lead screw seat bottom, be equipped with the slider in the spout, be connected with the telescopic link between slider top and spout top, the telescopic link with controller electric connection, pneumatic motor install in on the slider bottom, just be equipped with the baffle between slider and shower nozzle.

4. The paint spraying apparatus with a cleaning function according to claim 1, characterized in that: the paint spraying machine is connected with the spray head through a guide pipe, and the first motor is installed on the side wall of the base.

5. The paint spraying apparatus with a cleaning function according to claim 1, characterized in that: the air supply device comprises an air compressor arranged on the top of the screw rod seat, the air compressor is electrically connected with the controller, and the air compressor is connected with the pneumatic motor through an exhaust pipe.

6. The paint spraying apparatus with a cleaning function according to claim 1, characterized in that: the air supply device further comprises an air storage tank, a support and a piston, wherein a pressure sensor, a pressure relief valve and a first exhaust pipe are arranged on the air storage tank, a flow control valve is arranged on the first exhaust pipe, the first exhaust pipe is connected to the pneumatic motor, the air compressor is connected with the air storage tank through the first intake pipe, the support is installed on the ground, a cylinder is arranged on the support, a second exhaust pipe and a second intake pipe are arranged on the top of the cylinder, an exhaust check valve and an air inlet check valve are respectively arranged on the second exhaust pipe and the second intake pipe, the second exhaust pipe is connected to the air storage tank, the piston is arranged in the cylinder, a piston rod is arranged on the piston, a floating block is arranged at the end part of the piston rod, the floating block is arranged on the sea surface, and the air compressor, the pressure sensor and the controller are electrically connected.

7. The painting apparatus with a cleaning function according to any one of claims 1 to 6, wherein: the base bottom is equipped with the waste material chamber, the both sides in waste material chamber all are equipped with the dryer, be equipped with induced draft fan and active carbon filtering layer in the dryer.