Automatic spraying control device and automatic spraying system thereof

Abstract

The utility model provides an automatic spraying control device and an automatic spraying system thereof. An air spray gun, a paint storage device, a main air supply pipe, a cleaning air blowing valve, a servo gear pump set, a backflow reversing valve, a backflow control one-way valve and a PLC are arranged, and the main air supply pipe is in pipeline connection with the paint storage device; the cleaning air blowing valve is in pipeline connection with the main air supply pipe and the paint storage device, the servo gear pump set is in pipeline connection with the cleaning air blowing valve, the backflow reversing valve is in pipeline connection with the servo gear pump set, and the backflow reversing valve is in pipeline connection with the air spray gun. The backflow control one-way valve is in pipeline connection with the paint storage device, the backflow control one-way valve is in pipeline connection with the backflow reversing valve, and the PLC is in circuit connection with the cleaning air blowing valve, the servo gear pump set, the backflow reversing valve and the backflow control one-way valve, so that the people-oriented automatic spraying process of the bullet train is realized, the spraying production efficiency is improved, and the labor intensity of workers is reduced. And the spraying production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic spraying production, in particular to an automatic spraying control device and an automatic spraying system thereof. Background Art

[0002] With the rapid development of electrified railway and electric locomotive technologies, the number of rail vehicles in China is increasing. Among them, the number of bullet trains and urban rail transit vehicles is growing rapidly. During the new construction and overhaul of rail transit vehicles, the surface spraying of vehicles not only plays a role in beautification but also undertakes functions such as vehicle anti-corrosion. Therefore, it is necessary to spray paint on the body of rail transit vehicles to ensure the beauty and anti-corrosion functions of the vehicles.

[0003] In the existing technology, most of the vehicle spraying production processes are manual spraying. However, the manual spraying production process lacks automation, resulting in low vehicle spraying production efficiency. Moreover, it is easy to make mistakes during the spraying process, increasing the spraying production cost. At the same time, the manual spraying method also causes great work fatigue to the operators. Summary of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide an automatic spraying control device and an automatic spraying system thereof, which can realize the automated spraying process of bullet trains with people-oriented concept, improve the spraying production efficiency, ensure the consistency of spraying quality, and reduce the spraying production cost.

[0005] To achieve the above purpose, the first aspect of the embodiments of the present application provides an automatic spraying control device, including:

[0006] An air spray gun for spraying paint;

[0007] A paint storage for storing paint;

[0008] A main air supply pipe for blowing air to each component of the automatic spraying control device. The first end of the main air supply pipe is connected to the first end of the paint storage through a pipeline;

[0009] A cleaning air blow valve for cleaning the pipeline of the automatic spraying control device. The first end of the cleaning air blow valve is connected to the second end of the main air supply pipe through a pipeline, and the second end of the cleaning air blow valve is connected to the second end of the paint storage through a pipeline;

[0010] A servo gear pump set for transporting the paint in the paint storage to the air spray gun. The first end of the servo gear pump set is connected to the third end of the cleaning air blow valve through a pipeline;

[0011] Return flow reversing valve. The return flow reversing valve is used to switch the direction of the paint residue flowing back in the air spray gun. The first end of the return flow reversing valve is connected to the second end of the pipeline of the servo gear pump group, and the second end of the return flow reversing valve is connected to the pipeline of the air spray gun;

[0012] Return flow control check valve. The return flow control check valve is used to return the paint residue in the air spray gun to the paint storage. The first end of the return flow control check valve is connected to the third end of the pipeline of the paint storage, and the second end of the return flow control check valve is connected to the third end of the pipeline of the return flow reversing valve;

[0013] PLC controller. The PLC controller is used to control each component of the automatic spraying control device. The PLC controller is electrically connected to the cleaning air blowing valve, the PLC controller is electrically connected to the servo gear pump group, the PLC controller is electrically connected to the return flow reversing valve, and the PLC controller is connected to the return flow control check valve.

[0014] Furthermore, in some embodiments, the automatic spraying control device further includes: an atomization electro-pneumatic proportional valve. The atomization electro-pneumatic proportional valve is used to atomize the paint ejected from the air spray gun. The first end of the atomization electro-pneumatic proportional valve is connected to the pipeline of the air spray gun, the second end of the atomization electro-pneumatic proportional valve is connected to the pipeline of the main air supply pipe, and the atomization electro-pneumatic proportional valve is electrically connected to the PLC controller.

[0015] Furthermore, in some embodiments, the automatic spraying control device further includes: a width electro-pneumatic proportional valve. The width electro-pneumatic proportional valve is used to control the fluidity of the paint ejected from the air spray gun. The first end of the width electro-pneumatic proportional valve is connected to the pipeline of the air spray gun, the second end of the width electro-pneumatic proportional valve is connected to the pipeline of the main air supply pipe, and the width electro-pneumatic proportional valve is electrically connected to the PLC controller.

[0016] Furthermore, in some embodiments, the automatic spraying control device further includes: a spray gun switch check valve. The spray gun switch check valve is used as the spray switch of the air spray gun. The first end of the spray gun switch check valve is connected to the pipeline of the air spray gun, the second end of the spray gun switch check valve is connected to the pipeline of the main air supply pipe, and the spray gun switch check valve is electrically connected to the PLC controller.

[0017] Furthermore, in some embodiments, the automatic spraying control device further includes: a pressure sensor. The pressure sensor is arranged at the pipeline connection between the return flow reversing valve and the air spray gun. The pressure sensor is used to detect the pipeline pressure between the return flow reversing valve and the air spray gun, and the pressure sensor is electrically connected to the PLC controller.

[0018] Furthermore, in some embodiments, the paint storage includes an ultrasonic sensor. The ultrasonic sensor is used to detect the paint volume in the paint storage, and the ultrasonic sensor is electrically connected to the PLC controller.

[0019] Further, in some embodiments, the paint storage also includes a pneumatic agitator for agitating the paint in the paint storage, and the pneumatic agitator is electrically connected to the PLC controller.

[0020] To achieve the above object, a second aspect of the embodiments of the present application provides a large workpiece automatic spraying system, including:

[0021] The automatic spraying control device as described in the first aspect above;

[0022] A robot series device, where the automatic spraying control device is installed in the robot series device. The robot series device is used to move the automatic spraying control device in multiple directions. The robot series device includes a first six-axis robotic arm, a flange, a second six-axis robotic arm, a robotic arm support base, and a spray gun mounting tooling. One end of the first six-axis robotic arm is installed in the robotic arm support base, and the other end of the first six-axis robotic arm is connected to one end of the second six-axis robotic arm based on the flange. The other end of the second six-axis robotic arm is connected to the spray gun mounting tooling, and the spray gun mounting tooling is used to fix the air spray gun.

[0023] A robot horizontal motion axis, where the robot series device is installed in the robot horizontal motion axis, and the robot series device is used to horizontally move the robot series device.

[0024] Further, in some embodiments, the robot horizontal motion axis includes a base, a load-bearing guide rail, a rack, a sliding support base, and a robot mounting plate. The load-bearing guide rail is provided above the base, the rack is provided above the base, the load-bearing guide rail is located on both sides of the rack, the sliding support base is provided above the load-bearing guide rail, and the robot mounting plate is provided above the sliding support base. Among them, the robot series device is fixed above the robot mounting plate.

[0025] Further, in some embodiments, the robot horizontal motion axis also includes a gear, a servo motor, a speed reducer, and a lubrication pump. The servo motor, the speed reducer, and the lubrication pump are all fixed above the robot mounting plate. The gear is provided at the bottom of the sliding support base, the gear meshes with the rack, the gear is connected to the servo motor, the servo motor is connected to the speed reducer, the gear is used to control the horizontal sliding of the load-bearing guide rail and the sliding support base on the rack, the servo motor is used to drive the gear to rotate, and the speed reducer is used to control the transmission power of the servo motor.

[0026] An automatic spraying control device and an automatic spraying system according to an embodiment of the present utility model have at least the following beneficial effects: In this application, an air spray gun, a paint storage tank, a main air supply pipe, a cleaning air blowing valve, a servo gear pump set, a reflux reversing valve, a reflux control check valve, and a PLC controller are provided. The air spray gun is used for spraying paint; the paint storage tank is used for storing paint; the main air supply pipe is used for blowing air to each component of the automatic spraying control device, and the first end of the main air supply pipe is connected to the first end of the paint storage tank through a pipeline; the cleaning air blowing valve is used for cleaning the pipeline of the automatic spraying control device, the first end of the cleaning air blowing valve is connected to the second end of the main air supply pipe through a pipeline, and the second end of the cleaning air blowing valve is connected to the second end of the paint storage tank through a pipeline; the servo gear pump set is used for transporting the paint in the paint storage tank to the air spray gun, and the first end of the servo gear pump set is connected to the third end of the cleaning air blowing valve through a pipeline; the reflux reversing valve is used for switching the direction of the residual paint flowing back in the air spray gun, the first end of the reflux reversing valve is connected to the second end of the pipeline of the servo gear pump set through a pipeline, and the second end of the reflux reversing valve is connected to the air spray gun through a pipeline; the first end of the reflux control check valve is connected to the third end of the paint storage tank through a pipeline, and the reflux control check valve is used for returning the residual paint in the air spray gun to the paint storage tank, and the second end of the reflux control check valve is connected to the third end of the reflux reversing valve; the PLC controller is used for controlling each component of the automatic spraying control device, the PLC controller is electrically connected to the cleaning air blowing valve, the PLC controller is electrically connected to the servo gear pump set, the PLC controller is electrically connected to the reflux reversing valve, and the PLC controller is connected to the reflux control check valve. Thus, an automated spraying process for bullet trains that puts people first is realized, the efficiency of spraying production is improved, the consistency of spraying quality is ensured, and the cost of spraying production is reduced.

[0027] Other features and advantages of the present utility model will be described in the subsequent description, and will become partially apparent from the description. The objectives and other advantages of the present utility model can be achieved and obtained through the structures specifically pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings are used to provide a further understanding of the technical solutions of the present utility model, and constitute a part of the description. They are used together with the embodiments of the present utility model to explain the technical solutions of the present utility model, and do not constitute a limitation to the technical solutions of the present utility model.

[0029] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0030] Figure 1 is the structural framework diagram of the automatic spraying control device provided by the embodiment of the present application;

[0031] Figure 2 is the structural diagram of the automatic spraying system for large workpieces provided by the embodiment of the present application;

[0032] Figure 3 It is a structural diagram of an automatic spraying system for large workpieces provided by another embodiment of the present application;

[0033] Figure 4 It is a structural diagram of an automatic spraying system for large workpieces provided by another embodiment of the present application.

[0034] Reference numerals: Automatic spraying control device 1000, air spray gun 1100, paint storage 1200, ultrasonic sensor 1210, pneumatic agitator 1220, main air supply pipe 1300, cleaning air blow valve 1400, servo gear pump set 1500, return flow changeover valve 1600, return flow control check valve 1700, PLC controller 1800, atomization electro-pneumatic proportional valve 1910, width electro-pneumatic proportional valve 1920, spray gun switch check valve 1930, pressure sensor 1940;

[0035] Automatic spraying system for large workpieces 2000, robot series device 2100, first six-axis robotic arm 2110, flange 2120, second six-axis robotic arm 2130, robotic arm support base 2140, spray gun installation tooling 2150, robot horizontal movement axis 2200, base 2210, load-bearing guide rail 2220, rack 2230, sliding support base 2240, robot mounting plate 2250, gear 2260, servo motor 2270, speed reducer 2280, lubrication pump 2290. Detailed implementation manners

[0036] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0037] In the description of the present invention, if the first and second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence of the indicated technical features. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present invention described here can be implemented in an order other than those illustrated or described here. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0038] In the description of the present utility model, unless otherwise clearly defined, terms such as "arrangement", "installation", and "connection" should be understood in a broad sense, and those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0039] With the rapid development of electrified railway and electric locomotive technologies, the number of rail vehicles in China is increasing. Among them, the number of EMUs and urban rail transit vehicles is growing rapidly. During the new construction and overhaul of rail transit vehicles, the surface spraying of vehicles not only plays an aesthetic role but also undertakes functions such as vehicle anti-corrosion. Therefore, it is necessary to spray paint on the body of rail transit vehicles to ensure the aesthetics and anti-corrosion functions of the vehicles.

[0040] In the existing technology, most of the vehicle spraying production processes are manual spraying. However, the manual spraying production process lacks automation, resulting in low vehicle spraying production efficiency, being prone to errors during spraying, increasing the spraying production cost. At the same time, the manual spraying method also causes significant work fatigue to the operators.

[0041] The automatic spraying control device and its automatic spraying system provided by the embodiments of the present application relate to the technical field of automatic spraying production.

[0042] Based on this, the embodiments of the present application provide an automatic spraying control device and its automatic spraying system. The device is provided with an air spray gun, a paint storage tank, a main air supply pipe, a cleaning air blowing valve, a servo gear pump set, a reflux reversing valve, a reflux control check valve, and a PLC controller. The air spray gun is used for spraying paint; the paint storage tank is used for storing paint; the main air supply pipe is used for blowing air to each component of the automatic spraying control device, and the first end of the main air supply pipe is connected to the first end of the paint storage tank through a pipeline; the cleaning air blowing valve is used for cleaning the pipeline of the automatic spraying control device, the first end of the cleaning air blowing valve is connected to the second end of the main air supply pipe through a pipeline, and the second end of the cleaning air blowing valve is connected to the second end of the paint storage tank through a pipeline; the servo gear pump set is used for transporting the paint in the paint storage tank to the air spray gun, and the first end of the servo gear pump set is connected to the third end of the cleaning air blowing valve through a pipeline; the reflux reversing valve is used for switching the reflux direction of the residual paint in the air spray gun, the first end of the reflux reversing valve is connected to the second end of the pipeline of the servo gear pump set through a pipeline, and the second end of the reflux reversing valve is connected to the air spray gun through a pipeline; the first end of the reflux control check valve is connected to the third end of the paint storage tank through a pipeline, and the reflux control check valve is used for refluxing the residual paint in the air spray gun to the paint storage tank, and the second end of the reflux control check valve is connected to the third end of the reflux reversing valve through a pipeline; the PLC controller is used for controlling each component of the automatic spraying control device, the PLC controller is electrically connected to the cleaning air blowing valve, the PLC controller is electrically connected to the servo gear pump set, the PLC controller is electrically connected to the reflux reversing valve, and the PLC controller is connected to the reflux control check valve. Thus, the automatic spraying process of the EMU vehicle with people-oriented concept is realized, the spraying production efficiency is improved, the consistency of the spraying quality is ensured, and the spraying production cost is reduced.

[0043] Therefore, with reference to the accompanying drawings, the embodiments of the present invention will be further described below.

[0044] In the first aspect, referring to Figure 1 as shown, Figure 1It is a structural framework diagram of an automatic spraying control device provided by an embodiment of the present application. The automatic spraying control device 1000 includes an air spray gun 1100, a paint storage 1200, a main air supply pipe 1300, a cleaning air blowing valve 1400, a servo gear pump set 1500, a return flow reversing valve 1600, a return flow control check valve 1700, and a PLC controller 1800. The air spray gun 1100 is used for spraying paint, and the paint storage 1200 is used for storing paint; the main air supply pipe 1300 is used for blowing air to each component of the automatic spraying control device 1000, the cleaning air blowing valve 1400 is used for cleaning the pipeline of the automatic spraying control device 1000, the servo gear pump set 1500 is used for transporting the paint in the paint storage 1200 to the air spray gun 1100, the return flow reversing valve 1600 is used for switching the direction of the residual paint flowing back in the air spray gun 1100, the return flow control check valve 1700 is used for returning the residual paint in the air spray gun 1100 to the paint storage 1200, and the PLC controller 1800 is used for controlling each component of the automatic spraying control device 1000.

[0045] Wherein, the first end of the main air supply pipe 1300 is connected to the first end of the paint storage 1200 through a pipeline, the first end of the cleaning air blowing valve 1400 is connected to the second end of the pipeline of the main air supply pipe 1300 through a pipeline, and the second end of the cleaning air blowing valve 1400 is connected to the second end of the paint storage 1200 through a pipeline; the first end of the servo gear pump set 1500 is connected to the third end of the cleaning air blowing valve 1400 through a pipeline; the first end of the return flow reversing valve 1600 is connected to the second end of the pipeline of the servo gear pump set 1500 through a pipeline, and the second end of the return flow reversing valve 1600 is connected to the air spray gun 1100 through a pipeline; the first end of the return flow control check valve 1700 is connected to the third end of the paint storage 1200 through a pipeline, and the second end of the return flow control check valve 1700 is connected to the third end of the return flow reversing valve 1600 through a pipeline; the PLC controller 1800 is electrically connected to the cleaning air blowing valve 1400, the PLC controller 1800 is electrically connected to the servo gear pump set 1500, the PLC controller 1800 is electrically connected to the return flow reversing valve 1600, and the PLC controller 1800 is connected to the return flow control check valve 1700.

[0046] It should be noted that when the return flow reversing valve 1600 is in communication with the air spray gun 1100 and the return flow control check valve 1700 is in the closed state, automatic spraying of paint can be achieved.

[0047] It should also be noted that when the pipeline of the automatic spraying control device 1000 is being cleaned, the cleaning air blowing valve 1400 is in the open state, the gas in the main air supply pipe 1300 directly enters the servo gear pump set 1500, and both the return flow control check valve 1700 and the return flow reversing valve 1600 are in the closed state. At this time, the automatic spraying control device 1000 starts to clean the pipeline.

[0048] Moreover, when the paint in the pipeline of the automatic spraying control device 1000 needs to flow back, the cleaning air blowing valve 1400 is in an open state, the gas in the main air supply pipe 1300 directly enters the servo gear pump set 1500, and both the reflux control check valve 1700 and the reflux reversing valve 1600 are in an open state. At this time, the paint in the pipeline of the automatic spraying control device 1000 flows back into the paint storage 1200.

[0049] In addition, every time the automatic spraying control device 1000 finishes spraying, it is necessary to first carry out the pipeline paint reflux and then carry out the pipeline cleaning.

[0050] Furthermore, the automatic spraying control device 1000 further includes an atomization electro-pneumatic proportional valve 1910. The atomization electro-pneumatic proportional valve 1910 is used for atomizing the paint ejected from the air spray gun 1100. The atomization electro-pneumatic proportional valve 1910 is used for atomizing the paint ejected from the air spray gun 1100. The first end of the atomization electro-pneumatic proportional valve 1910 is connected to the pipeline of the air spray gun 1100, the second end of the atomization electro-pneumatic proportional valve 1910 is connected to the pipeline of the main air supply pipe 1300, and the atomization electro-pneumatic proportional valve 1910 is electrically connected to the PLC controller 1800.

[0051] Furthermore, the automatic spraying control device 1000 further includes a width electro-pneumatic proportional valve 1920. The width electro-pneumatic proportional valve 1920 is used for controlling the fluidity of the paint ejected from the air spray gun 1100. The first end of the width electro-pneumatic proportional valve 1920 is connected to the pipeline of the air spray gun 1100, the second end of the width electro-pneumatic proportional valve 1920 is connected to the pipeline of the main air supply pipe 1300, and the width electro-pneumatic proportional valve 1920 is electrically connected to the PLC controller 1800.

[0052] Furthermore, the automatic spraying control device 1000 further includes a spray gun switch check valve 1930. The spray gun switch check valve 1930 is used as the spraying switch of the air spray gun 1100. The first end of the spray gun switch check valve 1930 is connected to the pipeline of the air spray gun 1100, the second end of the spray gun switch check valve 1930 is connected to the pipeline of the main air supply pipe 1300, and the spray gun switch check valve 1930 is electrically connected to the PLC controller 1800.

[0053] Furthermore, the automatic spraying control device 1000 further includes a pressure sensor 1940. The pressure sensor 1940 is arranged at the pipeline connection between the reflux reversing valve 1600 and the air spray gun 1100. The pressure sensor 1940 is used for detecting the pipeline pressure between the reflux reversing valve 1600 and the air spray gun 1100, and the pressure sensor 1940 is electrically connected to the PLC controller 1800.

[0054] Further, the paint storage 1200 includes an ultrasonic sensor 1210 for detecting the amount of paint in the paint storage 1200. The ultrasonic sensor 1210 is electrically connected to the PLC controller 1800.

[0055] Among them, the ultrasonic sensor can monitor certain physical properties of the paint in real time, such as density, viscosity, or liquid level height. These parameters indirectly reflect the mixing state of the paint and whether it meets the requirements of the spraying operation. The ultrasonic sensor calculates the distance or property change of the target object by emitting ultrasonic pulses and receiving their reflected waves, and then converts it into an electrical signal and outputs it to the PLC controller.

[0056] Further, the paint storage 1200 further includes a pneumatic agitator 1220 for agitating the paint in the paint storage 1200. The pneumatic agitator 1220 is electrically connected to the PLC controller 1800.

[0057] In a second aspect, referring to Figure 2 as shown in Figure 2 is a structural diagram of a large workpiece automatic spraying system provided by an embodiment of the present application. The large workpiece automatic spraying system 2000 includes: an automatic spraying control device 1000 as described in the first aspect above, a robot serial device 2100, and a robot horizontal movement axis 2200. The automatic spraying control device 1000 is installed in the robot serial device 2100, and the robot serial device 2100 is used to move the automatic spraying control device 1000 in multiple directions; the robot serial device 2100 is installed in the robot horizontal movement axis 2200, and the robot serial device 2100 is used to move the robot serial device 2100 horizontally.

[0058] Among them, referring to Figure 3 as shown in Figure 3 is a structural diagram of a large workpiece automatic spraying system provided by another embodiment of the present application. The robot serial device 2100 includes a first six-axis robotic arm 2110, a flange 2120, a second six-axis robotic arm 2130, a robotic arm support base 2140, and a spray gun mounting tooling 2150. One end of the first six-axis robotic arm 2110 is installed in the robotic arm support base 2140, and the other end of the first six-axis robotic arm 2110 is connected to one end of the second six-axis robotic arm 2130 based on the flange 2120. The other end of the second six-axis robotic arm 2130 is connected to the spray gun mounting tooling 2150, and the spray gun mounting tooling 2150 is used to fix the air spray gun 1100.

[0059] Among them, the other end of the first six-axis robotic arm 2110 is connected to one end of the second six-axis robotic arm 2130 based on the flange 2120, which can meet the spraying coverage of multiple sides of the workpiece during the spraying process, and thus effectively avoid the singularity of the robotic arm movement during the spraying process.

[0060] Furthermore, referring to Figure 3 and Figure 4 as shown, Figure 4 FIG. Figure 4 is a structural diagram of a large workpiece automatic spraying system provided by another embodiment of the present application. The robot horizontal movement axis 2200 includes a base 2210, a load-bearing guide rail 2220, a rack 2230, a sliding support seat 2240, and a robot mounting plate 2250. The load-bearing guide rail 2220 is disposed above the base 2210, the rack 2230 is disposed above the base 2210, the load-bearing guide rail 2220 is located on both sides of the rack 2230, the sliding support seat 2240 is disposed above the load-bearing guide rail 2220, and the robot mounting plate 2250 is disposed above the sliding support seat 2240. Among them, the robotic arm support seat 2140 is fixed above the robot mounting plate 2250, so as to be able to satisfy the full horizontal spraying coverage of the large workpiece automatic spraying system 1000 for the workpiece.

[0061] Moreover, the robot horizontal movement axis 2200 further includes a gear 2260, a servo motor 2270, a speed reducer 2280, and a lubricating pump 2290. The servo motor 2270, the speed reducer 2280, and the lubricating pump 2290 are all fixed above the robot mounting plate 2250. The gear 2260 is disposed at the bottom of the sliding support seat 2240. The gear 2260 meshes with the rack 2230. The gear 2260 is connected to the servo motor 2270, and the servo motor 2270 is connected to the speed reducer 2280. The gear 2260 is used to control the horizontal sliding of the load-bearing guide rail 2220 and the sliding support seat 2240 on the rack 2230. The servo motor 2270 is used to drive the rotation of the gear 2260. The speed reducer 2280 is used to control the transmission power of the servo motor 2270, so as to be able to realize the horizontal sliding control of the robot horizontal movement axis 2200.

[0062] Among them, the lubricating pump 2290 provides lubricating oil to the sliding connection of the robot horizontal movement axis 2200 through a pipeline, so as to be able to ensure that the robot horizontal movement axis 2200 slides smoothly and without abnormal noise during horizontal movement.

[0063] It should be noted that the large workpiece automatic spraying system 2000 can be arranged on both sides of the workpiece to be sprayed. At the same time, the staff can perform maintenance on the large workpiece automatic spraying system 2000 through the aisle, so as to be able to improve the spraying efficiency.

[0064] Furthermore, the working principle of the above-mentioned large workpiece automatic spraying system 2000 is described as follows:

[0065] The robot serial device 2100 and the robot horizontal movement axis 2200 move together to achieve full-coverage spraying of the spraying workpiece by the automatic spraying control device 1000. During the spraying process, when the detection data of the ultrasonic sensor 1210 is higher than the minimum spraying requirement, the PLC controller 1800 controls the pneumatic agitator 1220 to start to stir the paint in the paint storage 1200, so that the paint is fully mixed and paint precipitation is prevented; then, the PLC controller 1800 controls the cleaning air blow valve 1400 to close and the servo gear pump set 1500 to start, so that the paint in the paint storage 1200 smoothly reaches the servo gear pump set 1500; then, the PLC controller 1800 controls the return flow changeover valve 1600 and the return flow control check valve 1700 to close; further, when the pressure sensor 1940 is the same as the spraying process parameters, the PLC controller 1800 controls the spray gun switch check valve 1930 to open, and the PLC controller 1800 controls the atomization electric proportional valve 1910 and the width electric proportional valve 1920 to perform paint spraying based on the preset spraying process parameters.

[0066] It should be understood that in the present utility model, "at least one (item)" means one or more, and "a plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that there can be three relationships. For example, "A and / or B" can mean: only A exists, only B exists, and both A and B exist at the same time. Among them, A and B can be singular or plural. The character " / " generally means that the associated objects before and after are in an "or" relationship. "At least one (one) of the following" or its similar expression means any combination of these items, including any combination of single item (one) or plural items (ones). For example, at least one (one) of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0067] In several embodiments provided by the present utility model, it should be understood that the disclosed system and principle method can be implemented in other ways. For example, the system embodiments described above are only illustrative. For example, the above unit division is only a logical function division. In actual implementation, there can be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point, the displayed or discussed coupling or direct coupling or communication connection to each other can be through some interfaces, and the indirect coupling or communication connection of devices or units can be in electrical, mechanical or other forms.

[0068] The units described above as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they may be located in one place or distributed over multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0069] In addition, the functional units in various embodiments of the present invention can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit. The above integrated units can be implemented in the form of hardware or in the form of software functional units.

[0070] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes multiple instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods in various embodiments of the present invention.

[0071] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made without departing from the spirit of the present invention within the knowledge scope of ordinary technical personnel in the technical field.

Claims

1. An automatic spraying control device, characterized in that: include: An air spray gun, the air spray gun is used for spraying paint; A paint storage device, wherein the paint storage device is used to store paint; A main air supply pipe, the main air supply pipe is used to blow air to various components of the automatic spray control device, and the first end of the main air supply pipe is connected to the first end pipeline of the paint storage; A cleaning air blow valve, the cleaning air blow valve is used to clean the pipeline of the automatic spray control device, the first end of the cleaning air blow valve is connected to the second end pipeline of the main air supply pipe, and the second end of the cleaning air blow valve is connected to the second end pipeline of the paint storage; A servo gear pump group, the servo gear pump group is used to transfer the paint in the paint storage to the air spray gun, and the first end of the servo gear pump group is connected to the third end pipeline of the cleaning air blow valve; A reflux reversing valve, the reflux reversing valve is used to switch the direction of the paint remaining in the air spray gun. The first end of the reflux reversing valve is connected to the second end of the servo gear pump group pipeline, and the second end of the reflux reversing valve is connected to the air spray gun pipeline; A reflux control one-way valve, the reflux control one-way valve is used to return the residual paint in the air spray gun to the paint storage, the first end of the reflux control one-way valve is connected to the third end pipeline of the paint storage, and the second end of the reflux control one-way valve is connected to the third end pipeline of the reflux reversing valve; PLC controller, the PLC controller is used to control the various components of the automatic spray control device, the PLC controller is connected to the cleaning air blowing valve circuit, the PLC controller is connected to the servo gear pump group circuit, the The PLC controller is connected to the reflux reversing valve circuit, and the PLC controller is connected to the reflux control one-way valve.

2. The automatic spraying control device according to claim 1, characterized in that: It also includes an atomizing electrical proportional valve, which is used to atomize the paint sprayed from the air spray gun. The first end of the atomizing electrical proportional valve is connected to the air spray gun pipeline, the second end of the atomizing electrical proportional valve is connected to the main air supply pipeline, and the atomizing electrical proportional valve is connected to the PLC controller circuit.

3. The automatic spraying control device according to claim 1, characterized in that: It also includes a width electrical proportional valve, which is used to control the fluidity of the paint sprayed from the air spray gun. The first end of the width electrical proportional valve is connected to the air spray gun pipeline, the second end of the width electrical proportional valve is connected to the main air supply pipeline, and the width electrical proportional valve is connected to the PLC controller circuit.

4. The automatic spraying control device according to claim 2 or 3, characterized in that: It also includes a spray gun switch one-way valve, which is used as a spray switch for the air spray gun. The first end of the spray gun switch one-way valve is connected to the air spray gun pipeline, the second end of the spray gun switch one-way valve is connected to the main air supply pipe pipeline, and the spray gun switch one-way valve is connected to the PLC controller circuit.

5. The automatic spraying control device according to claim 1, characterized in that: It also includes a pressure sensor, which is arranged at the pipeline connection between the reflux reversing valve and the air spray gun. The pressure sensor is used to detect the pipeline pressure between the reflux reversing valve and the air spray gun. The pressure sensor is connected to the PLC controller circuit.

6. The automatic spraying control device according to claim 1, characterized in that: The paint storage includes an ultrasonic sensor, which is used to detect the amount of paint in the paint storage. The ultrasonic sensor is connected to the PLC controller circuit.

7. The automatic spraying control device according to claim 1, characterized in that: The paint storage further comprises a pneumatic stirrer, which is used for stirring the paint in the paint storage, and the pneumatic stirrer is connected to the PLC controller circuit.

8. An automatic spraying system for large workpieces, characterized in that: include: The automatic spraying control device according to any one of claims 1 to 7; A robot serial device, wherein the automatic spray control device is installed in the robot serial device, and the robot serial device is used to move the automatic spray control device in multiple directions. The robot serial device includes a first six-axis robot arm, a flange, a second six-axis robot arm, a robot arm support seat and a spray gun installation tool. One end of the first six-axis robot arm is installed in the robot arm support seat, and the other end of the first six-axis robot arm is connected to one end of the second six-axis robot arm based on the flange. The other end of the second six-axis robot arm is connected to the spray gun installation tool, and the spray gun installation tool is used to fix the air spray gun; A robot horizontal motion axis, wherein the robot serial device is installed in the robot horizontal motion axis, and the robot serial device is used to horizontally move the robot serial device.

9. The large workpiece automatic spraying system according to claim 8, characterized in that: The horizontal motion axis of the robot includes a base, a load-bearing guide rail, a rack, a sliding support seat and a robot mounting plate, the load-bearing guide rail is arranged above the base, the rack is arranged above the base, the load-bearing guide rail is located on both sides of the rack, the sliding support seat is arranged above the load-bearing guide rail, and the robot mounting plate is arranged above the sliding support seat, wherein the robot arm support seat is fixed above the robot mounting plate.

10. The large workpiece automatic spraying system according to claim 9, characterized in that: The robot's horizontal motion axis also includes gears, a servo motor, a reducer and a lubrication pump. The servo motor, the reducer and the lubrication pump are all fixed above the robot mounting plate. The gear is arranged at the bottom of the sliding support seat. The gear and the rack are meshed with each other. The gear is connected to the servo motor, and the servo motor is connected to the reducer. The gear is used to control the load-bearing guide rail and the sliding support seat to slide horizontally on the rack. The servo motor is used to drive the gear to rotate, and the reducer is used to control the transmission power of the servo motor.

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