Spraying equipment

Abstract

The utility model relates to spraying equipment which comprises a four-axis moving module and a gluing module, accurate movement of the moving module is controlled through a servo motor, accurate determination of a to-be-sprayed position by the gluing module is achieved, and compatibility of different application scenes and processes is achieved by matching with a spray head of a quick-changing structure. The position and the information code of a to-be-sprayed component are automatically obtained by combining a visual system and a processing system, the control parameters of each component are automatically determined by automatically obtaining product processing parameters in a database and combining the obtained position information, and the related parameters are automatically controlled, so that automatic production is realized, and the efficiency is improved; besides, the equipment is provided with a conveying mechanism and is compatible with a conveying mechanism in an existing production line, the equipment can be rapidly compatible with the existing production line through modular arrangement, and pollution gas in the spraying and drying process can be further avoided through arrangement of an exhaust device; the long-strip-shaped glue applying rod and the telescopic pneumatic device can achieve treatment of complex and narrow structures.

Description

[Technical field]

[0001] The present application belongs to the technical field of photovoltaic inverter manufacturing, and in particular relates to a spraying device. [Background technology]

[0002] With the development of modern electronic technology, the application and demand of various electronic products are increasing day by day, such as photovoltaic inverters. In order to provide good protection and fixation for electronic products, extend service life and improve reliability, related electronic products are usually sealed with potting glue, which can protect internal components, prevent vibration and impact, and insulate and moisture-proof. When using potting glue, spraying the surface contacted by the potting glue with a primer is an important process to ensure reliable bonding between the potting glue and the product and is widely used.

[0003] The requirement for primer spraying is to cover the surface where the potting compound contacts the product as thinly and evenly as possible. However, as electronic devices are made smaller and more precise, the primer spraying must not overflow the potting range. This makes it difficult for current devices to spray primer in a small and irregular space at one time. How to spray primer quickly, compatible with multiple scenarios, and accurately and precisely is becoming increasingly important.

[0004] The existing device only integrates a glue spray nozzle on the manipulator or three-axis motion mechanism, and controls the glue output by adjusting the movement speed of the nozzle and the glue regulating valve of the nozzle. This equipment can only be used in glue application processes with open glue application areas and no precision requirements, and cannot be used for glue application in the housing of photovoltaic inverters; and when spraying, the existing device is only designed for one type of product, and usually can only spray one surface. For example, the spraying area of ​​a product is a rectangular groove, which needs to be sprayed on the surroundings and the bottom, a total of five surfaces. Generally, the equipment sprays the bottom first, and sprays the surrounding facades with the glue head tilted at a certain angle. However, the inductor slot is often very narrow and there are obstacles next to it. The configuration and setting methods related to each product are different, resulting in that in many cases, the surrounding facades can only be manually brushed with a brush, and a uniform coating effect cannot be guaranteed. [Summary of the invention]

[0005] The purpose of this application is to provide a spraying device that can achieve adaptability in a small area and be compatible with different application scenarios by improving the glue rod and nozzle structure, thereby improving spraying efficiency and realizing automated production. The spraying device of this application includes:

[0006] A four-axis moving module, which is arranged on the mounting frame, and includes an X-axis moving component, a Y-axis moving component, a Z-axis moving component, and an R-axis rotating component, and servo motors are used to control the components in the four-axis moving module;

[0007] The glue applying module is arranged on the output end of the R-axis rotating component. The glue applying module includes a glue feeding amount control component, a glue applying rod, and a nozzle. The nozzle is installed on the mounting part of the glue applying rod by a quick-change mechanism.

[0008] In one embodiment, the glue applying rod is in the shape of a slender rod, and the length of the glue applying rod is 5-20 cm.

[0009] In one of the embodiments, a drying mechanism is further included, and the drying mechanism includes an independent chamber and at least two drying fans.

[0010] In one embodiment, a transport mechanism is further included, and the transport mechanism is used to transport the parts to be processed to a spraying station and / or an air-drying station.

[0011] In one embodiment, the spraying station and the air-drying station are arranged adjacent to each other, and the transport mechanism transports the components to be processed to pass through the spraying station and the air-drying station in sequence.

[0012] In one of the embodiments, a mounting frame is further included, and the four-axis moving module is arranged on the mounting frame.

[0013] In one embodiment, it also includes a visual module and a processor, the visual module obtains the position and information code of the part to be processed, the processor controls the servo motor according to the position information, obtains the spraying process parameters through the information code information, and controls the glue feeding amount control component.

[0014] In one of the embodiments, an air-drying mechanism is further included, and the processor is connected to the air-drying mechanism to adjust control parameters of the air-drying mechanism according to spraying process parameters.

[0015] In one of the embodiments, it also includes an exhaust device, which is arranged at the spraying station or the air-drying station.

[0016] In one of the embodiments, a telescopic pneumatic device is further included, through which the length of the glue rod is adjusted.

[0017] In one of the embodiments, it also includes a nozzle anti-drying component, and the nozzle anti-drying component is used to form a moisturizing atmosphere to moisturize the nozzle and prevent it from drying out.

[0018] Compared with the prior art, this application has the following beneficial effects:

[0019] 1. This application adopts a four-axis mobile module to achieve precise movement of the glue application module, and with a quick-change nozzle, it can be compatible with different application scenarios and processes;

[0020] 2. By combining with the visual system, the position and information code of the parts to be sprayed are obtained, the product processing parameters are automatically obtained through the processing system, and the control parameters of each component in the sizing process are automatically adjusted, so as to realize automated production and improve efficiency;

[0021] 3. The equipment can be modularly configured and can be quickly compatible with existing production lines. The exhaust device can be used to avoid polluted gases during spraying and drying. The long strip sizing rod is used in conjunction with a telescopic pneumatic device to achieve automated processing of complex and narrow structures.

Brief Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the structure of a spraying device in one embodiment of the present application.

[0023] Figure 2 It is a structural schematic diagram of a glue application module in one embodiment of the present application.

[0024] Figure 3 It is a schematic diagram of the structure of a spraying device in another embodiment of the present application.

[0025] Figure 4 It is a structural schematic diagram of the air-drying mechanism in the spraying equipment of the present application. [Specific implementation method]

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. It is to be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some structures related to the present application are shown in the accompanying drawings, rather than all structures. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0027] The terms "including" and "having" and any variations thereof in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.

[0028] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0029] See also Figure 1 , Figure 1 It is a structural schematic diagram of a spraying device in one embodiment of the present application, which can meet the use requirements of different scenarios and improve the spraying efficiency. The spraying device includes:

[0030] A four-axis moving module 200, wherein the four-axis moving module 200 includes an X-axis moving component, a Y-axis moving component, a Z-axis moving component, and an R-axis rotating component, and servo motors are used to control the components in the four-axis moving module 200;

[0031] The glue application module 300 is arranged on the output end of the R-axis rotating component. The glue application module 300 includes a glue feeding amount control component 330, a glue application rod 310, and a nozzle 320. The nozzle 320 is installed on the installation part of the glue application rod 310 by a quick change mechanism. The quick change mechanism refers to a structure that can quickly combine two parts together, such as a snap-on structure, a spiral structure, etc. The glue application rod 310 and the nozzle 320 are two independent parts, which are quickly and stably combined together by the quick change mechanism. By configuring standard accessory nozzles for different scenes and combining the quick change mechanism, the rapid conversion of different application scenes can be achieved. The installation part refers to the position where the nozzle 320 is installed, which is usually at the lower end of the glue application rod 310. The installation part will also serve as a matching part of the quick change mechanism on the glue application rod 310 in some applications, and a quick replacement is achieved through another matching part on the nozzle 320. For example, corresponding thread structures are respectively set on the glue application rod 310 and the nozzle 320, and the two are combined by a threaded manner.

[0032] Through the four-axis mobile module 200 and the use of servo motors, the glue application module 300 is set on the output end of the R-axis rotating component to achieve precise movement of the position and rotation of the nozzle 320. The position control is accurate and can spray evenly. Since four servo motors are used to accurately control the XYZ axis and the R axis respectively, accurate positioning and obstacle avoidance in a small space are guaranteed. A quick-change mechanism is added to the glue spray head. By replacing different external nozzles, for example, fan-shaped and conical glue application can be achieved, and one-time glue application of 1 to 5 surfaces (bottom surface and four surfaces of four axes) can also be achieved. In this application method, only the standard accessory nozzle needs to be replaced to achieve compatibility with different glue application processes, achieving precise movement while being compatible with different application scenarios.

[0033] Specifically, the glue rod 310 is in the shape of a slender rod. The slender rod shape means that the ratio of the length to the width of the glue rod 310 is large, usually the ratio of the length to the diameter is greater than 10, the length of the glue rod is 5-20cm, and in general use scenarios, the length of the glue rod can be selected to be 10cm. Of course, the length of the glue rod can be customized according to product requirements. The glue rod 310 is lengthened. By lengthening the glue rod 310, adaptability in a narrow area is achieved, especially for situations where there are high obstacles on the edge of the glue application area. In combination with the nozzle 320 with a quick-change mechanism, fan-shaped and conical glue application can be achieved, which can greatly reduce the impact of complex structures, improve obstacle avoidance capabilities and application requirements of different products.

[0034] Specifically, the spraying equipment also includes a mounting frame 100, and the four-axis movable module 200 is arranged on the mounting frame 100; the mounting frame 100 may include a workbench, and the workbench is used to place the parts to be sprayed. The placement method is not limited. In the automated production method, the parts to be sprayed can be transported by a transmission mechanism, and the transmission mechanism itself can also be used as a bearing workbench.

[0035] See also Figure 3-Figure 4 , Figure 3 is a schematic diagram of the structure of a spraying device in another embodiment of the present application, Figure 4 4 is a structural diagram of the air-drying mechanism 400 in the spraying device of the present application. Specifically, the spraying device further includes an air-drying mechanism 400, and the air-drying mechanism 400 includes an independent chamber and at least two air-drying fans 410. The independent chamber does not need to be completely isolated or sealed, and can be surrounded by a relatively independent space. For example, an independent chamber can be formed by a flexible curtain structure or an air curtain structure in conjunction with a cavity wall. The air-drying station is in the air-drying mechanism 400, and is located in an independent chamber of the air-drying mechanism 400.

[0036] Specifically, it also includes a transmission mechanism, which is used to transmit the parts to be processed to the spraying station and / or the air-drying station. A specific example of the transmission mechanism can be a robot, which moves the parts to be processed between different stations by grabbing them. In this way, the arrangement of the spraying station and the air-drying station does not need to be specifically limited, and the air-drying mechanism 400 can be set independently, and the number or space size of the air-drying mechanism 400 can be determined according to the time of the spraying and air-drying processes.

[0037] Specifically, the spraying station and the air-drying station are arranged adjacent to each other, and the transmission mechanism transmits the components to be processed to pass through the spraying station and the air-drying station in sequence. In this setting mode, the air-drying station is located downstream of the spraying station, and the circulation mode of the components to be processed is formed in an assembly line mode. Through the transmission mechanism, the transmission mechanism can adopt the mode of a conveyor belt, which can carry the components to be processed for spraying and air-drying. The transmission mechanism carries the components to be processed through the spraying station and the air-drying station in sequence. The size of the air-drying mechanism 400 can be designed according to the air-drying time, and the length of the independent chamber in the air-drying mechanism 400 is extended. In a specific application mode, the transmission mechanism transmits the components to be processed to pass through the spraying station and the air-drying station in sequence, and adopts a stepping mode. After the spraying is completed, the components to be processed are transmitted to the air-drying mechanism 400, and after passing through the air-drying mechanism 400, they are transmitted out to complete air-drying. In this way, the parts to be processed can be directly obtained from other equipment through a transmission mechanism with a conveyor belt, and then transmitted to other equipment, such as a glue filling machine, through the transmission mechanism to achieve full line compatibility. In addition, the spraying station and the air-drying station can be designed in a close manner, and the two can be designed together and transmitted using the same transmission mechanism, making the structure of the spraying equipment compact, thereby improving processing efficiency and equipment footprint.

[0038] Specifically, it also includes a visual module 600 and a processor, the visual module 600 obtains the position and information code of the part to be processed, the processor controls the servo motor according to the position information, obtains the spraying process parameters through the information code information, and controls the glue feeding control component 330. The visual module 600 may include at least two camera components to shoot the part to be processed from different angles, and different cameras may also perform different functions, and a scanning mechanism may also be used, such as scanning the information code of the part to be processed, such as obtaining the SN code by scanning the code when the SN code is used to manage the product, and the obtained SN code is transmitted to the processing system or the processing system actively reads the relevant information.

[0039] After the processing system obtains the relevant information, it connects to other systems or storage units to obtain information related to the spraying process, such as the ambient temperature during equipment operation, primer batch code, glue application program parameters, glue application time, operator information, air-drying time and other information. The control system can specifically use a programmable logic controller (PLC) and connect to the MES system for data traceability. It can accurately trace and confirm product information, and perform corresponding spraying and air-drying treatments on different products to meet the needs of different products, thereby ensuring product quality and quality controllability.

[0040] In a further solution, the device also includes sensors, which may include ambient temperature sensors, glue pressure sensors, photoelectric sensors, magnetic switches, proximity switches, slot-type photoelectric sensors, etc., to assist in collecting information and transmitting it to the control system, thereby making the device more intelligent. For example, the ambient temperature of the collection device during operation can be obtained through the ambient temperature sensor, and the relevant temperature parameters can be transmitted to the control system. The control system can more accurately control the rate of the air-drying device according to the temperature parameters.

[0041] In addition, a computer can be integrated into the equipment to display the equipment's operating status and perform human-computer interaction control of the equipment. It can also perform intelligent conversion of glue output parameters and formulate processing methods, processes and parameters for different parts to be processed according to different parameters.

[0042] Specifically, it also includes an air-drying mechanism 400, and the processor is connected to the air-drying mechanism 400 to adjust the control parameters of the air-drying mechanism 400 according to the spraying process parameters. The air-drying mechanism 400 includes multiple fans, each of which can be opened and closed and the speed can be adjusted separately. Since the spraying equipment of the present application meets the use of different products through the replacement of the quick-change mechanism, the application scenarios of the spraying equipment are greatly expanded. There will also be differences in the time, temperature and other parameters used for air-drying of different products. Therefore, in order to meet the air-drying requirements of different products, the fan opening and closing and speed in the air-drying mechanism 400 can be adjusted by the processor (control system) to achieve the requirements of different air-drying processes for different products. In a specific embodiment, the air-drying mechanism 400 is provided with 6 fans. The processor (control system) controls the speed, opening number and opening time of the 6 fans arranged in an array according to the different dynamics of the ambient temperature and the amount of glue applied, so as to achieve a more efficient and stable primer air-drying effect.

[0043] In the technical solution of the present application, a preferred implementation method is to arrange the spraying station formed by the four-axis moving module 200 and the gluing module 300 and the air-drying station formed by the air-drying mechanism 400 together, and the spraying station and the air-drying station are arranged in a straight line, and the transmission mechanism is used to realize the transmission of the parts to be processed. The transmission mechanism itself serves as a bearing position to realize the steps of importing the parts to be processed, entering the spraying station, entering the air-drying station after spraying is completed, and exporting after air-drying is completed, so as to realize the optimal design of the equipment structure.

[0044] Specifically, it also includes an exhaust device 500, which is arranged at the spraying station or the air-drying station. The spraying station and the air-drying station can form relatively independent spaces through structures such as isolation plates. Since the glue is sprayed, there may be overflow of polluted gas during the process. By setting up the exhaust device 500,

[0045] Specifically, it also includes a telescopic pneumatic device, through which the length of the glue rod 310 is adjusted. In case there are high obstacles on the edge of the glue application area, a telescopic pneumatic device can be added to achieve better compatibility in the Z direction, which is a further supplement and improvement to the four-axis mobile module 200.

[0046] Specifically, it also includes a nozzle 320 anti-drying component, which is used to form a moisturizing atmosphere to moisturize and prevent the nozzle 320 from drying out. The nozzle 320 anti-drying component can be fixedly set at a position of the device. When the nozzle 320 is not working, the nozzle 320 is moved to the anti-drying component by the four-axis moving module 200. The anti-drying component includes moisturizing liquid for forming a moisturizing atmosphere. Spraying in the moisturizing atmosphere will not affect normal use due to drying.

[0047] As a specific embodiment, the following describes a specific application scenario of coating a primer before potting a photovoltaic inverter.

[0048] The adopted equipment structure is as follows: the spraying station and the air-drying station are arranged in a straight line, and the transmission of the parts to be processed is realized through a transmission mechanism. At the same time, the transmission mechanism itself serves as a bearing position. The transmission mechanism introduces the photovoltaic inverter to be filled with glue from the previous equipment into the spraying equipment, and the photovoltaic inverter to be filled with glue space is turned upward through the transmission mechanism. After entering the spraying station, the movement of the transmission mechanism is stopped, and the visual module 600 obtains the SN code of the photovoltaic inverter and the position on the transmission mechanism. The processing system determines the primer batch code, the gluing program parameters, and the gluing time through MES data tracing. At the same time, the movement path of the four-axis mobile module 200 is determined according to the position information. After the nozzle 320 moves into place, it sprays according to the relevant control parameters. After the spraying is completed, the transmission structure moves, and the movement distance is the distance from the spraying station to the air-drying station, so that the transmission mechanism brings the photovoltaic inverter into the air-drying station. After entering the air-drying station, the movement of the transmission structure is stopped, and the electric fan of the air-drying mechanism 400 is turned on for air-drying. After the air-drying is completed, the photovoltaic inverter is exported from the equipment.

[0049] In the above process, each movement of the transmission mechanism will cause a photovoltaic inverter to flow in sequence, forming a cycle, and each movement includes at least one photovoltaic inverter being introduced, sprayed, air-dried, and exported. Under the structure of sequentially operating the transmission mechanism assembly line, the number of spraying stations and air-drying stations can be selected as needed.

[0050] From the foregoing, it can be seen that the present application adopts a four-axis mobile module in conjunction with a servo motor to achieve precise movement of the gluing module in all directions, accurately determine the position to be sprayed, and by cooperating with a nozzle with a quick-change structure, replace different models of nozzles to achieve compatibility with different application scenarios and processes; by combining the visual system and the processing system, the position and information code of the parts to be sprayed are automatically obtained, and by automatically obtaining the product processing parameters in the database, combined with the obtained position information, the control parameters of each component are automatically determined and the relevant parameters are automatically controlled to achieve automated production and improve efficiency; in addition, the equipment is equipped with a transmission mechanism that is compatible with the transmission mechanism in the current production line. The equipment can achieve rapid compatibility with existing production lines through modular settings, and can further avoid polluted gases during spraying and drying by setting an exhaust device. A long strip gluing rod is used in conjunction with a telescopic pneumatic device to achieve automated processing of complex and narrow structures.

[0051] The above is only a specific implementation of the present application, and any other improvements made based on the concept of the present application are deemed to be within the protection scope of the present application.

Claims

1. A spraying device, characterized in that: include: A four-axis moving module, wherein the four-axis moving module comprises an X-axis moving component, a Y-axis moving component, a Z-axis moving component, and an R-axis rotating component, and servo motors are used to control the components in the four-axis moving module; The glue applying module is arranged on the output end of the R-axis rotating component. The glue applying module includes a glue feeding amount control component, a glue applying rod, and a nozzle. The nozzle is installed on the mounting part of the glue applying rod by a quick-change mechanism.

2. The spraying equipment according to claim 1, characterized in that: The glue applying rod is in the shape of a slender rod, and the length of the glue applying rod is 5-20 cm.

3. The spraying equipment according to claim 1, characterized in that: It also includes a drying mechanism, which includes an independent chamber and at least two drying fans.

4. The spraying equipment according to claim 3, characterized in that: It also includes a transmission mechanism, which is used to transmit the parts to be processed to the spraying station and / or the air-drying station.

5. The spraying equipment according to claim 4, characterized in that: The spraying station and the air-drying station are arranged adjacent to each other, and the transmission mechanism transmits the components to be processed to pass through the spraying station and the air-drying station in sequence.

6. The spraying equipment according to claim 1, characterized in that: It also includes a visual module and a processor. The visual module obtains the position and information code of the component to be processed. The processor controls the servo motor according to the position information, obtains the spraying process parameters through the information code information, and controls the glue feeding amount control component.

7. The spraying equipment according to claim 6, characterized in that It also includes an air-drying mechanism, and the processor is connected to the air-drying mechanism.

8. The spraying equipment according to any one of claims 1 to 5, characterized in that: It also includes an exhaust device, which is arranged at the spraying station or the air-drying station.

9. The spraying equipment according to claim 1, characterized in that: It also includes a mounting frame, and the four-axis moving module is arranged on the mounting frame.

10. The spraying equipment according to claim 2, characterized in that: The glue application module also includes a telescopic pneumatic device, through which the length of the glue application rod is adjusted.

11. The spraying equipment according to claim 1, characterized in that: It also includes a nozzle anti-drying component, which is used to form a moisturizing atmosphere to moisturize the nozzle and prevent it from drying out.

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