Spraying equipment for shipyard steel plates

Abstract

The invention provides spraying equipment for shipyard steel plates. The spraying equipment comprises a rack assembly and an automatic batching mechanism, and the rack assembly comprises a supporting framework, a supporting plate and a base; wherein the supporting plate is fixedly connected to the inner side wall of the supporting framework, the base is fixedly connected to the bottom of the supporting framework, the automatic batching mechanism is installed on one side of the inner side wall of the supporting framework, and the discharging and spraying mechanism is installed between the supporting framework and the automatic batching mechanism; the automatic batching mechanism, the discharging and spraying mechanism, the stirring mechanism, the cleaning mechanism, the power unit and the central control unit are mounted in the supporting framework and the supporting plate in a centralized manner through the highly integrated design, so that the use space occupied by the spraying equipment is effectively saved; and in addition, the equipment has the functions of automatic batching, stirring, spraying and cleaning, and automation, high efficiency and safety of shipyard steel plate spraying operation are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to a spraying device, in particular for shipyard steel plates, belonging to the field of spraying technology. BACKGROUND

[0002] The spraying of shipyard steel plates is a key anticorrosion process in shipbuilding. Since seawater and marine atmospheric environment have strong corrosiveness to steel, spraying an anticorrosive coating on the surface of the ship body steel plate structure is the most economical and effective method, which can effectively and significantly prolong the service life of the ship.

[0003] The paint spraying device is the core equipment in the spraying operation of shipyard steel plates. Usually, compressed air is used to cooperate with a spray gun to atomize and spray the paint, or a high-pressure airless spraying pump is used to cooperate with a spray gun to make the paint pass through the nozzle hole under high pressure, instantaneously expand and atomize and spray.

[0004] The overall structure of the traditional compressed air type or high-pressure airless spraying pump type spraying device is usually relatively dispersed, and various tank type structures involved are usually independently arranged, resulting in that the overall device needs to occupy a large use space, and the structures such as pumps, solenoid valves, pneumatic valves and control circuits involved in the device usually need to be driven by different power sources such as electric energy and compressed air. The device has limited application range due to the dependence on different power sources. Therefore, a spraying device for shipyard steel plates is proposed. SUMMARY

[0005] Therefore, the present application provides a spraying device for shipyard steel plates to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0006] The technical scheme of the embodiment of the present application is as follows: a spraying device for shipyard steel plates, comprising a rack assembly and an automatic batching mechanism, the rack assembly comprising a support framework, a support plate and a base;

[0007] The support plate is fixedly connected to the inner side wall of the support framework, the base is fixedly connected to the bottom of the support framework, the automatic batching mechanism is installed on one side of the inner side wall of the support framework, a discharging and spraying mechanism is installed between the support framework and the automatic batching mechanism, a stirring mechanism is installed on the top of the automatic batching mechanism and the discharging and spraying mechanism, a cleaning mechanism is installed on one side of the inner side wall of the support framework and the discharging and spraying mechanism, and a power unit and a central control unit are installed on the other side of the inner side wall of the support framework.

[0008] The power unit uses compressed gas as a power source to provide power for the automatic batching mechanism, the discharging and spraying mechanism, the stirring mechanism and the cleaning mechanism, and uses compressed air to generate electricity to provide electric energy for the automatic batching mechanism and the central control unit.

[0009] The gas storage bag and the gas distribution pipe frame are both installed on the inner side wall bottom of the support framework, one end of the air inlet pipe of the gas distribution pipe frame is communicated with the air outlet of the gas storage bag, a plurality of explosion-proof electromagnetic valves are symmetrically installed on one side of the gas distribution pipe frame, the explosion-proof permanent magnet generator and the pneumatic motor are both installed on one side of the inner side wall of the support framework, the output end of the pneumatic motor is fixedly connected with the input end of the explosion-proof permanent magnet generator, and one end of the air outlet pipe of the gas distribution pipe frame penetrates the central control unit and is communicated with the other end of the pneumatic motor.

[0010] Further preferably, the power unit further comprises an oil-water separator and a hand valve.

[0011] The hand valve is installed on one side of the air inlet pipe of the gas distribution pipe frame, and the oil-water separator is installed on the other side of the air inlet pipe of the gas distribution pipe frame.

[0012] Further preferably, the automatic batching mechanism comprises two diaphragm pumps, two raw material conveying pipes, a mixing tank, a feeding hopper, a plurality of load detection modules, a pneumatic valve and two material extraction joints.

[0013] The two diaphragm pumps are both installed on the inner side wall bottom of the support framework, the two material extraction joints are respectively communicated with the feeding ports of the two diaphragm pumps, one end of each of the two raw material conveying pipes is respectively communicated with the discharging ports of the two diaphragm pumps, the mixing tank is arranged on the inner side wall top of the support framework, the feeding hopper is communicated with the top of the mixing tank, the other end of each of the two raw material conveying pipes penetrates the inner side wall of the support plate and extends into the feeding hopper, the plurality of load detection modules are all installed on the bottom of the mixing tank, the bottoms of the plurality of load detection modules are all installed on the middle part of the inner side wall of the support framework, one end of the pneumatic valve is communicated with the outer side wall bottom of the mixing tank, and one end of the explosion-proof electromagnetic valve away from the gas distribution pipe frame is communicated with the air inlet of the pneumatic valve through a pipeline.

[0014] Further preferably, the discharging and spraying mechanism comprises a turnover tank, a first pneumatic ball valve, a spraying conveying pipe, a spraying pump, a spraying gun external joint and a mounting seat.

[0015] The first pneumatic ball valve is connected to the bottom of the outside wall of the turnover tank, one of the explosion-proof electromagnetic valves is connected to the air inlet of the first pneumatic ball valve through a pipeline, the bottom end of the spraying delivery pipe is connected to one end of the first pneumatic ball valve, the mounting seat is mounted on the top of the inner side wall of the support framework, the spraying pump is mounted on the upper surface of the mounting seat, the top of the spraying delivery pipe is connected to the feeding port of the spraying pump, the spraying gun outer connector is connected to the discharging port of the spraying pump through a pipeline, and one of the explosion-proof electromagnetic valves is connected to the air inlet of the spraying pump through a pipeline.

[0016] Further preferably, the stirring mechanism comprises a mounting frame, a mixing stirrer and a uniform stirring device.

[0017] The mounting frame is fixedly connected to the top of the mixing tank, the mixing stirrer is mounted on the upper surface of the mounting frame, the bottom of the mixing stirrer extends into the mixing tank, the uniform stirring device is mounted on the upper surface of the turnover tank, the bottom of the uniform stirring device extends into the turnover tank, and the two explosion-proof electromagnetic valves are respectively connected to the air inlets of the mixing stirrer and the uniform stirring device through pipelines.

[0018] Further preferably, the cleaning mechanism comprises a dilute tank, a cleaning delivery pipe, a second pneumatic ball valve, a manual cleaning valve and a washing cylinder delivery pipe.

[0019] The dilute tank is mounted on the bottom of the inner side wall of the support framework, one end of the cleaning delivery pipe is connected to the bottom of the outside wall of the dilute tank, one end of the second pneumatic ball valve is connected to the other end of the cleaning delivery pipe, the other end of the second pneumatic ball valve is connected to the other end of the bottom of the spraying delivery pipe, one of the explosion-proof electromagnetic valves is connected to the air inlet of the second pneumatic ball valve through a pipeline, the manual cleaning valve is connected to one side of the spraying gun outer connector, one end of the washing cylinder delivery pipe is connected to one end of the manual cleaning valve, and the other end of the washing cylinder delivery pipe penetrates through the inner side wall of the support plate and is connected to the top of the outside wall of the turnover tank.

[0020] Further preferably, the central control unit comprises an explosion-proof electric box, a PLC control module, an HMI touch screen, a pressure regulating valve and a tachometer.

[0021] The explosion-proof electric box is installed on the inner side wall top of the support framework, the PLC control module is installed in the explosion-proof electric box, the HMI touch screen is installed on one side of the upper surface of the explosion-proof electric box, the pressure regulating valve and the tachometer are both installed on the other side of the upper surface of the explosion-proof electric box, and the gas distribution pipe frame exhaust pipe is communicated with the pressure regulating valve.

[0022] Further preferably, a float ball liquid level sensor is installed on the inner side wall bottom of the support framework, one side of the float ball liquid level sensor is communicated with a liquid guide pipe, one end of the liquid guide pipe is communicated with one side bottom of the dilute material barrel, the outer side wall top of the dilute material barrel is communicated with a dilute material filling pipe, and one end of the dilute material filling pipe is communicated with a dilute material filling bucket.

[0023] The embodiment of the present application has the following advantages due to the adoption of the above technical solutions:

[0024] Firstly, the automatic dosing mechanism, the discharging and spraying mechanism, the stirring mechanism, the cleaning mechanism, the power unit and the central control unit are centrally installed in the support framework and the support plate by using the highly integrated design, so that the use space occupied by the spraying equipment is effectively saved, the equipment has the functions of automatic dosing, stirring, spraying and cleaning, and the automation, high efficiency and safety of the steel plate spraying operation in the shipyard are realized.

[0025] Secondly, the compressed gas is stored in the gas storage bag, so that the stored compressed gas is used as a power source to provide power for the automatic dosing mechanism, the discharging and spraying mechanism, the stirring mechanism and the cleaning mechanism, the gas distribution pipe frame is used to cooperate with the central control unit to drive the pneumatic motor to work, the working pneumatic motor drives the explosion-proof permanent magnet generator to generate electricity, and the automatic dosing mechanism and the central control unit are provided with electric energy, thereby effectively reducing the dependence of the equipment on external power sources and improving the application range of the equipment.

[0026] The above summary is only for the purpose of the description and does not limit in any way. In addition to the above described exemplary aspects, embodiments and features, further aspects, embodiments and features of the present application will be readily apparent to those skilled in the art by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0028] Figure 1 The structural diagram of the present application;

[0029] Figure 2 is a schematic view of a side structure of the present application;

[0030] Figure 3 is a schematic view of a sectional structure of the present application;

[0031] Figure 4 is a schematic view of an axial side of a mixing tank, a transfer tank and a dilute tank of the present application;

[0032] Figure 5 is a schematic view of a side structure of the present application;

[0033] Figure 6 is a schematic view of a side structure of the present application;

[0034] Figure 7 is a schematic view of a side structure of the present application.

[0035] The drawings show: Fig. 1 is a schematic view of a frame assembly; Fig. 2 is a schematic view of an automatic batching mechanism; Fig. 3 is a schematic view of a material discharging and spraying mechanism; Fig. 4 is a schematic view of a stirring mechanism; Fig. 5 is a schematic view of a cleaning mechanism; Fig. 6 is a schematic view of a power unit; Fig. 7 is a schematic view of a central control unit; Fig. 101 is a schematic view of a support framework; Fig. 102 is a schematic view of a support plate; Fig. 103 is a schematic view of a base; Fig. 201 is a schematic view of a diaphragm pump; Fig. 202 is a schematic view of a raw material conveying pipe; Fig. 203 is a schematic view of a mixing tank; Fig. 204 is a schematic view of a material inlet hopper; Fig. 205 is a schematic view of a load bearing detection module; Fig. 206 is a schematic view of a pneumatic valve; Fig. 207 is a schematic view of a material discharging joint; Fig. 301 is a schematic view of a transfer tank; Fig. 302 is a schematic view of a first pneumatic ball valve; Fig. 303 is a schematic view of a spraying conveying pipe; Fig. 304 is a schematic view of a spraying pump; Fig. 305 is a schematic view of a spraying gun external joint; Fig. 306 is a schematic view of a mounting seat; Fig. 401 is a schematic view of a mounting frame; Fig. 402 is a schematic view of a mixing stirrer; Fig. 403 is a schematic view of a material uniformizing stirrer; Fig. 501 is a schematic view of a dilute tank; Fig. 502 is a schematic view of a cleaning conveying pipe; Fig. 503 is a schematic view of a second pneumatic ball valve; Fig. 504 is a schematic view of a manual cleaning valve; Fig. 505 is a schematic view of a cleaning cylinder conveying pipe; Fig. 601 is a schematic view of a gas storage bag; Fig. 602 is a schematic view of a gas distribution pipe frame; Fig. 603 is a schematic view of an explosion-proof electromagnetic valve; Fig. 604 is a schematic view of an oil-water separator; Fig. 605 is a schematic view of a hand valve; Fig. 606 is a schematic view of an explosion-proof permanent magnet generator; Fig. 607 is a schematic view of a pneumatic motor; Fig. 701 is a schematic view of an explosion-proof electric box; Fig. 702 is a schematic view of a PLC control module; Fig. 703 is a schematic view of an HMI touch screen; Fig. 704 is a schematic view of a pressure regulating valve; Fig. 705 is a schematic view of a tachometer; Fig. 81 is a schematic view of a floating ball liquid level sensor; Fig. 82 is a schematic view of a liquid guide pipe; Fig. 83 is a schematic view of a dilute material filling hopper; Fig. 84 is a schematic view of a dilute material filling pipe. DETAILED DESCRIPTION

[0036] In the following, only certain exemplary embodiments are described in brief. As the person skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or the scope of the present application. The drawings and the description are therefore to be considered as being essentially exemplary and not restrictive.

[0037] It is important to note that terms such as "first," "second," "symmetric," and "array" are used only to distinguish between descriptive and positional descriptions and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified with terms such as "first" or "symmetric" may explicitly or implicitly include one or more of that feature; similarly, when the quantity of certain features is not limited by words such as "two" or "three," it should be noted that such features also explicitly or implicitly include one or more features.

[0038] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0039] like Figures 1-7 As shown, this embodiment of the invention provides a spraying equipment for steel plates in shipyards, including a frame assembly 1 and an automatic feeding mechanism 2. The frame assembly 1 includes a support frame 101, a support plate 102 and a base 103.

[0040] Among them, the support plate 102 is fixedly connected to the inner wall of the support frame 101, the base 103 is fixedly connected to the bottom of the support frame 101, the automatic feeding mechanism 2 is installed on one side of the inner wall of the support frame 101, the feeding and spraying mechanism 3 is installed between the support frame 101 and the automatic feeding mechanism 2, the top of the automatic feeding mechanism 2 and the feeding and spraying mechanism 3 are both equipped with a stirring mechanism 4, the inner wall of the support frame 101 and the feeding and spraying mechanism 3 are equipped with a cleaning mechanism 5, and the other side of the inner wall of the support frame 101 is equipped with a power unit 6 and a central control unit 7.

[0041] Among them, the power unit 6 uses compressed gas as a power source to provide power to the automatic batching mechanism 2, the material dispensing and spraying mechanism 3, the stirring mechanism 4 and the cleaning mechanism 5, and uses compressed air to generate electricity to provide power to the automatic batching mechanism 2 and the central control unit 7. The power unit 6 includes an air storage tank 601, an air distribution pipe rack 602, several explosion-proof solenoid valves 603, an oil-water separator 604, a manual valve 605, an explosion-proof permanent magnet generator 606 and a pneumatic motor 607.

[0042] The gas storage tank 601 and the gas distribution pipe frame 602 are both installed on the bottom of the inner wall of the support frame 101. One end of the air inlet pipe of the gas distribution pipe frame 602 is connected to the exhaust port of the gas storage tank 601. Several explosion-proof solenoid valves 603 are symmetrically installed on one side of the gas distribution pipe frame 602. The explosion-proof permanent magnet generator 606 and the pneumatic motor 607 are both installed on one side of the inner wall of the support frame 101. The output end of the pneumatic motor 607 is fixedly connected to the input end of the explosion-proof permanent magnet generator 606. One end of the exhaust pipe of the gas distribution pipe frame 602 passes through the central control unit 7 and is connected to the other end of the pneumatic motor 607. The manual valve 605 is installed on one side of the air inlet pipe of the gas distribution pipe frame 602, and the oil-water separator 604 is installed on the other side of the air inlet pipe of the gas distribution pipe frame 602.

[0043] In one embodiment, the automatic batching mechanism 2 comprises two diaphragm pumps 201, two raw material conveying pipes 202, a mixing tank 203, a feeding hopper 204, a plurality of load detection modules 205, a pneumatic valve 206 and two material extraction joints 207;

[0044] Wherein, the two diaphragm pumps 201 are installed on the inner side wall bottom of the support framework 101, the two material extraction joints 207 are respectively communicated with the feeding ports of the two diaphragm pumps 201, one end of the two raw material conveying pipes 202 is respectively communicated with the discharging ports of the two diaphragm pumps 201, the mixing tank 203 is arranged on the inner side wall top of the support framework 101, the feeding hopper 204 is communicated with the top of the mixing tank 203, the other end of the two raw material conveying pipes 202 penetrates through the inner side wall of the support plate 102 and extends into the feeding hopper 204, the plurality of load detection modules 205 are installed on the bottom of the mixing tank 203, the bottom of the plurality of load detection modules 205 is installed on the middle part of the inner side wall of the support framework 101, one end of the pneumatic valve 206 is communicated with the outer side wall bottom of the mixing tank 203, one end of the explosion-proof electromagnetic valve 603 away from the gas distribution pipe rack 602 is communicated with the air inlet of the pneumatic valve 206 through a pipeline.

[0045] By using compressed air to drive the diaphragm pump 201 to extract the paint and curing agent from the paint raw material tank and the curing agent tank respectively, then through the raw material conveying pipe 202 cooperating with the feeding hopper 204 to inject the paint and curing agent into the mixing tank 203 respectively, and then through the load detection module 205 arranged to detect the overall weight of the mixing tank 203 after injecting the paint and curing agent.

[0046] In one embodiment, the material discharging and spraying mechanism 3 comprises a turnover tank 301, a first pneumatic ball valve 302, a spraying conveying pipe 303, a spraying pump 304, a spray gun external joint 305 and a mounting seat 306;

[0047] Wherein, the turnover tank 301 is installed on the inner side wall bottom of the support framework 101, one end of the pneumatic valve 206 away from the mixing tank 203 extends into the turnover tank 301 through a pipeline, the first pneumatic ball valve 302 is communicated with the outer side wall bottom of the turnover tank 301, one end of the explosion-proof electromagnetic valve 603 away from the gas distribution pipe rack 602 is communicated with the air inlet of the first pneumatic ball valve 302 through a pipeline, the bottom end of the spraying conveying pipe 303 is communicated with one end of the first pneumatic ball valve 302, the mounting seat 306 is installed on the inner side wall top of the support framework 101, the spraying pump 304 is installed on the upper surface of the mounting seat 306, the top of the spraying conveying pipe 303 is communicated with the feeding port of the spraying pump 304, the spray gun external joint 305 is communicated with the discharging port of the spraying pump 304 through a pipeline, and one end of the explosion-proof electromagnetic valve 603 away from the gas distribution pipe rack 602 is communicated with the air inlet of the spraying pump 304 through a pipeline.

[0048] By driving the first pneumatic ball valve 302 and the spraying pump 304 to work by compressed air, the working first pneumatic ball valve 302 communicates the spraying delivery pipe 303 with the turnover tank 301, the working spraying pump 304 cooperates with the spraying delivery pipe 303 to draw out the spraying material in the turnover tank 301 and deliver to the spraying gun external connector 305, and then the spraying material is sprayed out by the spraying gun connected with the spraying gun external connector 305 to perform the spraying work.

[0049] In an embodiment, the stirring mechanism 4 comprises a mounting frame 401, a mixing stirrer 402 and a uniform stirring device 403.

[0050] The mounting frame 401 is fixedly connected to the top of the mixing tank 203, the mixing stirrer 402 is installed on the upper surface of the mounting frame 401, the bottom of the mixing stirrer 402 extends to the inside of the mixing tank 203, the uniform stirring device 403 is installed on the middle of the upper surface of the turnover tank 301, the bottom of the uniform stirring device 403 extends to the inside of the turnover tank 301, and the two explosion-proof electromagnetic valves 603 are respectively connected to the air inlet of the mixing stirrer 402 and the uniform stirring device 403 through pipelines away from one end of the gas distribution pipe frame 602.

[0051] The mixing stirrer 402 is arranged to stir and mix the spraying material in the mixing tank 203, and the uniform stirring device 403 is arranged to continuously stir the spraying material in the turnover tank 301.

[0052] In an embodiment, the cleaning mechanism 5 comprises a dilute tank 501, a cleaning delivery pipe 502, a second pneumatic ball valve 503, a manual cleaning valve 504 and a washing cylinder delivery pipe 505.

[0053] The dilute tank 501 is installed on the inner side wall of the support frame 101, one end of the cleaning delivery pipe 502 is connected to the outer side wall of the dilute tank 501, one end of the second pneumatic ball valve 503 is connected to the other end of the cleaning delivery pipe 502, the other end of the second pneumatic ball valve 503 is connected to the other end of the spraying delivery pipe 303, one end of the explosion-proof electromagnetic valve 603 is connected to the air inlet of the second pneumatic ball valve 503 through a pipeline away from the gas distribution pipe frame 602, the manual cleaning valve 504 is connected to one side of the spraying gun external connector 305, one end of the washing cylinder delivery pipe 505 is connected to one end of the manual cleaning valve 504, and the other end of the washing cylinder delivery pipe 505 penetrates the inner side wall of the support plate 102 and is connected to the outer side wall of the top of the turnover tank 301.

[0054] The spray gun outer joint 305 is communicated with the cleaning cylinder conveying pipe 505 by rotating the manual cleaning valve 504, so that the dilute cleaning liquid in the dilute liquid barrel 501 is pumped out by cooperating with the spray conveying pipe 303, the second pneumatic ball valve 503 and the cleaning conveying pipe 502 of the spray pump 304, and the dilute cleaning liquid is injected into the turnover tank 301 by cooperating with the spray gun outer joint 305, the manual cleaning valve 504 and the cleaning cylinder conveying pipe 505, and then the dilute cleaning liquid continues to be stirred in the turnover tank 301 by using the uniform material stirrer 403, so that the spray material remaining in the turnover tank 301 is cleaned by the dilute cleaning liquid.

[0055] In one embodiment, the central control unit 7 comprises an explosion-proof electrical box 701, a PLC control module 702, an HMI touch screen 703, a pressure regulating valve 704 and a tachometer 705.

[0056] Among them, the explosion-proof electrical box 701 is installed on the top of the inner side wall of the support framework 101, the PLC control module 702 is installed inside the explosion-proof electrical box 701, the HMI touch screen 703 is installed on one side of the upper surface of the explosion-proof electrical box 701, the pressure regulating valve 704 and the tachometer 705 are both installed on the other side of the upper surface of the explosion-proof electrical box 701, and the exhaust pipe of the gas distribution pipe rack 602 is communicated with the pressure regulating valve 704.

[0057] The PLC control module 702 is used to receive the data detected by the load detection module 205, and the data is displayed through the HMI touch screen 703, the pressure regulating valve 704 is used to adjust the flow of compressed air provided by the gas distribution pipe rack 602 for the pneumatic motor 607, and the tachometer 705 is used to display the speed of the pneumatic motor 607.

[0058] In one embodiment, the inner side wall of the support framework 101 is provided with a floating ball liquid level sensor 81 at the bottom, one side of the floating ball liquid level sensor 81 is communicated with a liquid guide pipe 82, one end of the liquid guide pipe 82 is communicated with the bottom of one side of the dilute liquid barrel 501, the outer side wall of the dilute liquid barrel 501 is provided with a dilute liquid filling pipe 84 at the top, and one end of the dilute liquid filling pipe 84 is communicated with a dilute liquid filling bucket 83.

[0059] The floating ball liquid level sensor 81 cooperates with the liquid guide pipe 82 to detect the liquid level in the dilute liquid barrel 501, and when the dilute cleaning liquid in the dilute liquid barrel 501 is insufficient, the dilute cleaning liquid can be injected into the dilute liquid barrel 501 through the dilute liquid filling bucket 83 cooperating with the dilute liquid filling pipe 84.

[0060] In operation, first, the equipment is installed at the specified location according to the actual demand, then the diaphragm pump 201 is communicated with the paint raw material tank and the curing agent tank through the dilute liquid barrel 501, and then the equipment is connected with the spray gun through the spray gun outer joint 305, completing the assembly operation before use of the equipment.

[0061] When the device needs to be used for spraying operation, the air inlet pipe of the air distribution pipe frame 602 is opened by rotating the hand valve 605, so that the compressed air stored in the air storage bag 601 can smoothly enter the air distribution pipe frame 602, and the oil-water separator 604 is arranged to separate the condensed water and oil impurities discharged with the compressed air and purify the compressed air; when compressed air is needed for power generation, the air outlet pipe of the air distribution pipe frame 602 is opened by rotating the pressure regulating valve 704, so that the purified compressed air is delivered to the pneumatic motor 607 through the air distribution pipe frame 602, and then drives the explosion-proof permanent magnet generator 606 to generate electricity.

[0062] When the paint and curing agent required for spraying need to be prepared, the corresponding explosion-proof electromagnetic valve 603 is started to work by the PLC control module 702, and the working explosion-proof electromagnetic valve 603 cooperates with the pipeline to communicate the air distribution pipe frame 602 with the air inlet of a diaphragm pump 201, so as to drive a diaphragm pump 201 to extract paint in the paint raw material tank by using compressed air, and then inject the paint into the mixing tank 203 through the raw material conveying pipe 202 cooperating with the hopper 204, then the overall weight of the mixing tank 203 after injecting the paint is detected by the load detection module 205, and the detection result is fed back to the PLC control module 702, then the data received by the PLC control module 702 is displayed through the HMI touch screen 703, so as to control the weight of the paint according to the actual demand or set automatic program, when the data detected by the PLC control module 702 reaches the actual demand or set threshold value, the explosion-proof electromagnetic valve 603 is closed by the PLC control module 702, and another explosion-proof electromagnetic valve 603 is started to work, so as to communicate the air distribution pipe frame 602 with the air inlet of another diaphragm pump 201 through the pipeline cooperating with another explosion-proof electromagnetic valve 603, so as to drive another diaphragm pump 201 to extract the curing agent in the curing agent tank and deliver it to the inside of the mixing tank 203 for weighing; when the weight detected by the load detection module 205 reaches the actual demand or set threshold value again, the explosion-proof electromagnetic valve 603 is closed by the PLC control module 702, and the paint and curing agent preparation operation is completed.

[0063] When the paint and curing agent after the completion of the ingredients need to be mixed, the explosion-proof electromagnetic valve 603 is started again by the PLC control module 702, and the working explosion-proof electromagnetic valve 603 cooperates with the pipeline to connect the gas distribution pipe rack 602 with the mixing stirrer 402, so as to drive the mixing stirrer 402 with compressed air to stir and mix in the mixing tank 203, when the working time of the mixing stirrer 402 reaches the threshold value, the explosion-proof electromagnetic valve 603 is controlled by the PLC control module 702 to cut off the connection between the mixing stirrer 402 and the gas distribution pipe rack 602, and the explosion-proof electromagnetic valve 603 cooperates with the pipeline to connect the gas distribution pipe rack 602 with the pneumatic valve 206 and the uniform stirring device 403, so as to drive the pneumatic valve 206 and the uniform stirring device 403 to work with compressed air, the working pneumatic valve 206 discharges the mixed paint in the mixing tank 203 into the turnover tank 301, and the working uniform stirring device 403 continuously stirs the paint in the turnover tank 301.

[0064] When the paint in the turnover tank 301 is needed for spraying operation, the explosion-proof electromagnetic valve 603 cooperates with the pipeline to connect the gas distribution pipe rack 602 with the first pneumatic ball valve 302 and the spraying pump 304 by the PLC control module 702, so as to drive the first pneumatic ball valve 302 and the spraying pump 304 to work with compressed air, the working first pneumatic ball valve 302 connects the spraying delivery pipe 303 with the turnover tank 301, the working spraying pump 304 cooperates with the spraying delivery pipe 303 to extract the paint in the turnover tank 301 and deliver it to the spray gun external connector 305, and then the paint is sprayed out by the spray gun connected with the spray gun external connector 305 for spraying work.

[0065] When the equipment after use needs to be cleaned, the explosion-proof electromagnetic valve 603 is started by the PLC control module 702 to cooperate with the pipeline to communicate the gas distribution pipe frame 602 with the second pneumatic ball valve 503, and the manual cleaning valve 504 is rotated to communicate the spray gun external connector 305 with the washing cylinder conveying pipe 505, so that the dilute cleaning liquid in the dilute liquid barrel 501 is pumped out through the cooperation of the spray pump 304, the spray conveying pipe 303, the second pneumatic ball valve 503 and the cleaning conveying pipe 502, and the dilute cleaning liquid is injected into the turnover tank 301 through the cooperation of the spray gun external connector 305, the manual cleaning valve 504 and the washing cylinder conveying pipe 505, then the dilute cleaning liquid in the turnover tank 301 is continuously stirred by the uniform material agitator 403, so that the residual spray material in the turnover tank 301 is cleaned by the dilute cleaning liquid, finally, the waste liquid generated by cleaning in the turnover tank 301 is discharged through the cooperation of the spray pump 304, the spray conveying pipe 303, the spray gun external connector 305 and the spray gun external connector 305. The diaphragm pump 201 can also be communicated with the container containing the dilute cleaning liquid through the material extraction connector 207, so that the dilute cleaning liquid is delivered to the mixing tank 203 by the diaphragm pump 201 to clean the residual spray material in the mixing tank 203, and the waste water generated by cleaning in the mixing tank 203 is discharged into the turnover tank 301 through the pneumatic valve 206, so that the waste water is discharged centrally.

[0066] The liquid level in the dilute liquid barrel 501 is detected by the floating ball liquid level sensor 81 cooperating with the liquid guide pipe 82, when the dilute cleaning liquid in the dilute liquid barrel 501 is insufficient, the dilute cleaning liquid can be injected into the dilute liquid barrel 501 through the dilute liquid filling bucket 83 cooperating with the dilute liquid filling pipe 84.

[0067] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A spraying device for steel plates in shipyards, comprising a frame assembly (1) and an automatic feeding mechanism (2), characterized in that, The rack assembly (1) includes a support frame (101), a support plate (102), and a base (103); The support plate (102) is fixedly connected to the inner wall of the support frame (101), the base (103) is fixedly connected to the bottom of the support frame (101), the automatic batching mechanism (2) is installed on one side of the inner wall of the support frame (101), a feeding spraying mechanism (3) is installed between the support frame (101) and the automatic batching mechanism (2), a stirring mechanism (4) is installed on the top of both the automatic batching mechanism (2) and the feeding spraying mechanism (3), a cleaning mechanism (5) is installed on one side of the inner wall of the support frame (101) and the feeding spraying mechanism (3), and a power unit (6) and a central control unit (7) are installed on the other side of the inner wall of the support frame (101). The power unit (6) uses compressed gas as a power source to provide power to the automatic batching mechanism (2), the material dispensing and spraying mechanism (3), the stirring mechanism (4) and the cleaning mechanism (5), and uses compressed air to generate electricity to provide power to the automatic batching mechanism (2) and the central control unit (7). The power unit (6) includes an air storage tank (601), an air distribution pipe rack (602), several explosion-proof solenoid valves (603), an explosion-proof permanent magnet generator (606) and a pneumatic motor (607). The gas storage tank (601) and the gas distribution pipe frame (602) are both installed on the bottom of the inner wall of the support frame (101). One end of the air inlet pipe of the gas distribution pipe frame (602) is connected to the exhaust port of the gas storage tank (601). Several explosion-proof solenoid valves (603) are symmetrically installed on one side of the gas distribution pipe frame (602). The explosion-proof permanent magnet generator (606) and the pneumatic motor (607) are both installed on one side of the inner wall of the support frame (101). The output end of the pneumatic motor (607) is fixedly connected to the input end of the explosion-proof permanent magnet generator (606). One end of the exhaust pipe of the gas distribution pipe frame (602) passes through the central control unit (7) and is connected to the other end of the pneumatic motor (607).

2. The spraying equipment for shipyard steel plates according to claim 1, characterized in that: The power unit (6) also includes an oil-water separator (604) and a manual valve (605); The manual valve (605) is installed on one side of the air inlet pipe of the gas distribution frame (602), and the oil-water separator (604) is installed on the other side of the air inlet pipe of the gas distribution frame (602).

3. The spraying equipment for shipyard steel plates according to claim 1, characterized in that: The automatic batching mechanism (2) includes two diaphragm pumps (201), two raw material conveying pipes (202), a mixing tank (203), a feeding hopper (204), several load-bearing detection modules (205), pneumatic valves (206), and two material extraction joints (207); The two diaphragm pumps (201) are installed at the bottom of the inner wall of the support frame (101). The two material extraction joints (207) are respectively connected to the inlets of the two diaphragm pumps (201). One end of each of the two raw material conveying pipes (202) is respectively connected to the outlet of the two diaphragm pumps (201). The mixing tank (203) is located at the top of the inner wall of the support frame (101). The feed hopper (204) is connected to the top of the mixing tank (203). The other end of each of the two raw material conveying pipes (202) is connected to the bottom of the support frame (101). All penetrate the inner wall of the support plate (102) and extend into the feed hopper (204). Several load-bearing detection modules (205) are installed at the bottom of the mixing tank (203). The bottom of several load-bearing detection modules (205) is installed in the middle of the inner wall of the support frame (101). One end of the pneumatic valve (206) is connected to the bottom of the outer wall of the mixing tank (203). One end of the explosion-proof solenoid valve (603) away from the gas distribution pipe frame (602) is connected to the air inlet of the pneumatic valve (206) through a pipe.

4. The spraying equipment for shipyard steel plates according to claim 3, characterized in that: The material dispensing and spraying mechanism (3) includes a turnover tank (301), a first pneumatic ball valve (302), a spraying conveying pipe (303), a spraying pump (304), an external connector for the spray gun (305), and a mounting base (306); The turnover tank (301) is installed at the bottom of the inner wall of the support frame (101). The end of the pneumatic valve (206) away from the mixing tank (203) extends into the turnover tank (301) via a pipe. The first pneumatic ball valve (302) is connected to the bottom of the outer wall of the turnover tank (301). The end of an explosion-proof solenoid valve (603) away from the gas distribution pipe frame (602) is connected to the air inlet of the first pneumatic ball valve (302) via a pipe. The bottom end of the spray delivery pipe (303) is connected to the first pneumatic ball valve (302). One end of the ball valve (302) is mounted on the top of the inner wall of the support frame (101), the spray pump (304) is mounted on the upper surface of the mounting base (306), the top of the spray delivery pipe (303) is connected to the inlet of the spray pump (304), the spray gun external connector (305) is connected to the outlet of the spray pump (304) through a pipe, and one end of the explosion-proof solenoid valve (603) away from the air distribution pipe frame (602) is connected to the air inlet of the spray pump (304) through a pipe.

5. The spraying equipment for shipyard steel plates according to claim 4, characterized in that: The stirring mechanism (4) includes a mounting frame (401), a mixing agitator (402), and a uniform mixing agitator (403); The mounting bracket (401) is fixedly connected to the top of the mixing tank (203). The mixing agitator (402) is installed on the upper surface of the mounting bracket (401), and the bottom of the mixing agitator (402) extends into the interior of the mixing tank (203). The uniform agitator (403) is installed in the middle of the upper surface of the turnover tank (301), and the bottom of the uniform agitator (403) extends into the interior of the turnover tank (301). The ends of the two explosion-proof solenoid valves (603) away from the gas distribution pipe bracket (602) are respectively connected to the air inlets of the mixing agitator (402) and the uniform agitator (403) through pipes.

6. The spraying equipment for shipyard steel plates according to claim 4, characterized in that: The cleaning mechanism (5) includes a thinner tank (501), a cleaning conveying pipe (502), a second pneumatic ball valve (503), a manual cleaning valve (504), and a washing drum conveying pipe (505); The thinner tank (501) is installed at the bottom of the inner wall of the support frame (101). One end of the cleaning conveying pipe (502) is connected to the bottom of the outer wall of the thinner tank (501). One end of the second pneumatic ball valve (503) is connected to the other end of the cleaning conveying pipe (502). The other end of the second pneumatic ball valve (503) is connected to the other end of the bottom of the spraying conveying pipe (303). One end of the explosion-proof solenoid valve (603) away from the air distribution pipe frame (602) is connected to the air inlet of the second pneumatic ball valve (503) through a pipe. The manual cleaning valve (504) is connected to one side of the spray gun external connector (305). One end of the washing cylinder conveying pipe (505) is connected to one end of the manual cleaning valve (504). The other end of the washing cylinder conveying pipe (505) penetrates the inner wall of the support plate (102) and is connected to the top of the outer wall of the turnover tank (301).

7. The spraying equipment for shipyard steel plates according to claim 1, characterized in that: The central control unit (7) includes an explosion-proof electrical box (701), a PLC control module (702), an HMI touch screen (703), a pressure regulating valve (704), and a tachometer (705); The explosion-proof electrical box (701) is installed on the top of the inner wall of the support frame (101), the PLC control module (702) is installed inside the explosion-proof electrical box (701), the HMI touch screen (703) is installed on one side of the upper surface of the explosion-proof electrical box (701), the pressure regulating valve (704) and the tachometer (705) are both installed on the other side of the upper surface of the explosion-proof electrical box (701), and the exhaust pipe of the gas distribution frame (602) is connected to the pressure regulating valve (704).

8. The spraying equipment for shipyard steel plates according to claim 6, characterized in that: A float level sensor (81) is installed at the bottom of the inner wall of the support frame (101). A liquid guide pipe (82) is connected to one side of the float level sensor (81). One end of the liquid guide pipe (82) is connected to the bottom of one side of the thinner tank (501). A thinner filling pipe (84) is connected to the top of the outer wall of the thinner tank (501). One end of the thinner filling pipe (84) is connected to the thinner filling hopper (83).

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