Paint spraying system for photovoltaic module frame

Abstract

The utility model discloses a paint spraying system for a photovoltaic module frame. The paint spraying system comprises a transmission device, a pretreatment device, a paint spraying device, a leveling device and a curing device, the paint spraying device is further provided with a paint spraying channel sequentially penetrating through the preheating device, the paint spraying device, the leveling device and the curing device, the conveying device penetrates through the paint spraying channel, and air in the paint spraying channel cannot directly flow into the outside. According to the paint spraying system, paint spraying is conducted on workpieces through the pretreatment device, the paint spraying device, the leveling device and the curing device, and the good paint spraying effect is guaranteed; due to the fact that air in the paint spraying channel cannot directly flow into the outside, paint is prevented from polluting a production workshop, a good production environment is ensured, hot air loss in the paint spraying channel can be reduced, heat waste is reduced, and overall power consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of paint spraying, in particular to a paint spraying system for a photovoltaic component frame. Background Art

[0002] Solar energy, a low-carbon, renewable energy source, is free to use, requires no transportation, and is environmentally friendly. Compared to conventional energy sources, it is convenient and inexpensive. Solar photovoltaic power generation, also known as "photovoltaic," utilizes the photovoltaic effect at the interface of semiconductors to directly convert sunlight into electricity. The key component of this technology is the solar cell. Solar cells are connected in series and then encapsulated and protected to form large-scale solar photovoltaic modules. Combined with components such as power controllers, these modules form a photovoltaic power generation device. The current booming solar industry has led to a significant demand for solar photovoltaic modules, resulting in the widespread use of photovoltaic module frames. These frames are used to secure the tempered glass (or other fixed components) encapsulating the solar cells and secure them to a fixed object. However, due to their long-term exposure to the elements, composite frames require a post-molding paint treatment to enhance corrosion resistance and extend the life of the module frame.

[0003] The existing painting process often uses large-area lines and high-energy-consuming production processes and construction methods, and has not yet achieved precise, short and small designs, resulting in an increase in the workload and movement of staff, making it impossible for staff to work and manage in a centralized manner; and during the painting operation, paint mist permeates the entire production site, posing a great hazard to the human body and the surrounding environment, reducing the construction safety of staff and being detrimental to the long-term development and environmentally friendly development of the enterprise.

[0004] Based on the above situation, the present invention proposes a painting system for photovoltaic module frames, which can effectively solve one or more of the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a paint spraying system for photovoltaic component frames.

[0006] The utility model is achieved through the following technical solutions:

[0007] Photovoltaic module frame painting system, including

[0008] A transmission device for conveying workpieces;

[0009] Pretreatment device, used for pretreatment of workpieces before painting;

[0010] A painting device, used for painting the workpiece;

[0011] Leveling device, used to form a paint film on the paint attached to the surface of the workpiece;

[0012] Curing device, used to dry out the moisture in the paint film on the workpiece surface and solidify the paint film on the workpiece surface;

[0013] A paint spraying channel is also provided which sequentially passes through the pretreatment device, the paint spraying device, the leveling device and the curing device. The transmission device passes through the paint spraying channel, and the air in the paint spraying channel does not directly flow into the outside.

[0014] Preferably, the pretreatment device, paint spraying device, leveling device and curing device are respectively provided with a first channel, a second channel, a third channel and a fourth channel, and the first channel, the second channel, the third channel and the fourth channel are all part of the paint spraying channel; and the inlet of the first channel is the workpiece inlet of the paint spraying channel, and the outlet of the fourth channel is the workpiece outlet of the paint spraying channel.

[0015] Preferably, the pretreatment device and the paint spraying device, the paint spraying device and the leveling device, and the leveling device and the curing device are all connected through a connecting device, and a connecting channel is provided in the connecting device, and the connecting channel is also part of the paint spraying channel.

[0016] Preferably, both the workpiece inlet and the workpiece outlet are provided with airflow control devices, and the airflow control devices are used to control the one-way flow of air.

[0017] Preferably, in the vertical direction, the fourth channel is higher than the first channel, the second channel and the third channel.

[0018] Preferably, the pre-treatment device comprises a first heating structure for heating the air in the first channel.

[0019] Preferably, the paint spraying device includes a spray gun arranged in the second channel, a reciprocating mechanism for driving the spray gun to move, a filtering structure and an exhaust structure for discharging the filtered air in the second channel; the filtering structure is used to remove paint in the air, and the filtering structure includes a dry filtering structure and / or a wet filtering structure.

[0020] Preferably, at least two second heating structures are provided in the curing device.

[0021] Preferably, a cooling device is further included after the curing device along the conveying device, and the cooling device is used to cool the workpiece after the paint film is cured.

[0022] Preferably, it also includes a loading device and a unloading device.

[0023] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0024] The paint spraying system of the present invention sprays paint on the workpiece through a pretreatment device, a paint spraying device, a leveling device and a curing device, thereby ensuring a better painting effect; because the air in the paint spraying channel will not directly flow into the outside, paint pollution of the production workshop is avoided, ensuring a better production environment, and can reduce the loss of hot air in the paint spraying channel, reduce heat waste, and reduce overall power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic structural diagram of the paint spraying system of the present invention;

[0026] Figure 2 This is a schematic structural diagram of the transmission device of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of a paint spraying device that adopts a dry-type filtration structure in the present invention;

[0028] Figure 4 This is a schematic structural diagram of a paint spraying device that uses a wet filtration structure according to the present invention;

[0029] Figure 5 for Figure 3 A partial enlarged schematic diagram of point A in the middle;

[0030] Figure 6 This is a schematic structural diagram of the second heating structure of the present invention;

[0031] Figure 7 It is a structural schematic diagram of two paint spraying systems sharing one curing device. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific embodiments. However, it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting this patent. To better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the dimensions of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and are not to be construed as limiting this patent.

[0033] like Figures 1 to 6 As shown, the utility model provides a spray painting system for photovoltaic module frames, including

[0034] A transmission device 1 for conveying a workpiece 6;

[0035] A pretreatment device 2, used for pre-treating the workpiece 6 before painting, the pre-treatment including preheating;

[0036] a paint spraying device 3 for spraying paint on a workpiece 6;

[0037] A leveling device 4 is used to form a paint film on the paint attached to the surface of the workpiece 6;

[0038] The curing device 5 is used to dry out the moisture in the paint film on the surface of the workpiece 6 and solidify the paint film on the surface of the workpiece 6;

[0039] A paint spraying channel is also provided which sequentially passes through the pretreatment device 2, the paint spraying device 3, the leveling device 4 and the curing device 5. The transmission device 1 passes through the paint spraying channel, and the air in the paint spraying channel will not directly flow into the outside.

[0040] The utility model sprays paint on the workpiece 6 through the pretreatment device 2, the paint spraying device 3, the leveling device 4 and the curing device 5, thereby ensuring a better painting effect; because the air in the paint spraying channel will not directly flow into the outside, paint pollution of the production workshop is avoided, ensuring a better production environment, and can reduce the loss of hot air in the paint spraying channel, reduce heat waste, and reduce overall power consumption.

[0041] Among them, the transmission device 1 includes a conveying track 11 and a first sling 12 connected to the conveying track 11, and the first sling 12 can move along the conveying track 11; the bottom end of the first sling 12 is connected to the second sling 13, and the top end of the second sling 13 can be rotatably connected to the first sling 12, and the bottom end of the second sling 13 can be connected to the workpiece 6.

[0042] Furthermore, the second sling 13 is provided with a follower 131 that can drive the second sling 13 to rotate; a rotating structure 37 is provided in the second channel 31 for cooperating with the transmission device 1 to drive the workpiece 6 to rotate, and the rotating structure 37 includes a driving member 371 and an active member 372 that can rotate with the driven member 131. The driving member 371 can drive the active member 372 to rotate, and the active member 372 drives the driven member 131 that cooperates with it to rotate, thereby driving the workpiece 6 to rotate together, ensuring that every surface of the workpiece 6 can be sprayed during painting, ensuring a better painting effect.

[0043] Preferably, the pretreatment device 2, the paint spraying device 3, the leveling device 4 and the curing device 5 are respectively provided with a first channel 21, a second channel 31, a third channel 41 and a fourth channel 51, and the first channel 21, the second channel 31, the third channel 41 and the fourth channel 51 are all part of the paint spraying channel; and the inlet of the first channel is the workpiece 6 inlet 61 of the paint spraying channel, and the outlet of the fourth channel 51 is the workpiece 6 outlet 62 of the paint spraying channel.

[0044] In this embodiment, air flow control devices 7 are provided at the inlet 61 of the workpiece 6 and the outlet 62 of the workpiece 6. The air flow control devices 7 are used to control the one-way flow of air, that is, at the inlet 61 of the workpiece 6 and the outlet 62 of the workpiece 6, the outside air can flow into the paint spraying channel, while the air in the paint spraying channel cannot flow out to the outside.

[0045] The airflow control device 7 is used to ensure that the air in the paint spraying channel cannot flow out to the outside, thereby reducing the heat loss of the curing device 5 and the pretreatment device 2, and reducing the burden of the curing device 5 and the pretreatment device 2 to maintain the working temperature during the painting process, thereby reducing energy consumption.

[0046] The airflow control device 7 can be a negative pressure generating device, such as a fan; the air inlet of the negative pressure generating device is set at the workpiece 6 inlet 61 and the workpiece 6 outlet 62, and the air outlet of the negative pressure generating device points to the paint spraying channel, thereby realizing heat circulation in the paint spraying channel.

[0047] Furthermore, since the working temperature in the curing device 5 is higher than the working temperature in the pretreatment device 2, a negative pressure generating device 7 can be set between the workpiece 6 inlet 61 and the workpiece 6 outlet 62. The air inlet of the negative pressure generating device is set at the workpiece 6 outlet 62, and the air outlet of the negative pressure generating device is set at the workpiece 6 inlet 61 and points to the paint spraying channel. The negative pressure generating device 7 draws the air in the fourth channel 51 and the outside air into the first channel 21. By adjusting the ratio of the outside air and the air in the fourth channel 51, it is ensured that the air input into the first channel 21 meets the working requirements, thereby realizing the heat circulation of the paint spraying channel and reducing the overall energy consumption of the paint spraying operation.

[0048] In other embodiments, shielding objects, such as door curtains, may be placed at the workpiece 6 inlet 61 and the workpiece 6 outlet 62 to reduce air flow between the paint spraying channel and the outside world, thereby reducing heat loss in the paint spraying channel.

[0049] Preferably, the pretreatment device 2 and the paint spraying device 3, the paint spraying device 3 and the leveling device 4, and the leveling device 4 and the curing device 5 are all connected through a connecting device, and a connecting channel is provided in the connecting device, which is also part of the paint spraying channel.

[0050] The pretreatment device 2, the paint spraying device 3, the leveling device 4 and the curing device 5 are connected together through the connecting device 5 and the connecting channel, so that the air in the paint spraying channel will not flow directly into the outside.

[0051] Preferably, in the vertical direction, the fourth channel 51 is higher than the first channel 21 , the second channel 31 and the third channel 41 .

[0052] Since the working temperature in the fourth channel 51 is relatively high, the above setting can slow down the flow of air in the fourth channel 51 to the third channel 41, and more hot air will flow to the fourth channel 51, thereby reducing the heating burden of the curing device 5 and reducing overall energy consumption.

[0053] The spiral rise of the leveling device 4 not only allows the fourth channel 51 to be higher than the first channel 21, the second channel 31, and the third channel 41, thus reducing heat loss in the fourth channel 51, but also smoothly bridges the height difference between the second channel 31 and the fourth channel 51, facilitating the transport of workpieces to the curing device 5. The spiral rise also reduces the angle between the leveling device 4 and the horizontal plane, preventing workpieces from sliding backward during transport and ensuring optimal transport efficiency.

[0054] Preferably, the pre-treatment device 2 includes a first heating structure 22 for heating the air in the first channel 21 .

[0055] In this embodiment, the first heating structure 22 is an electric heating tube structure, which radiates heat to the air in the first channel 21 through the electric heating tube; in other embodiments, a liquid pipeline heating structure can also be used, and the pipeline is set in the first channel 21, and a high-temperature fluid is introduced into the pipeline to heat the air in the first channel 21.

[0056] Preferably, the paint spraying device 3 includes a spray gun 32 arranged in the second channel 31, a reciprocating mechanism 33 for driving the spray gun 32 to move, a filtering structure and an exhaust structure 34 for discharging the filtered air in the second channel 31; the filtering structure is used to remove paint in the air.

[0057] In this embodiment, the filtration structure adopts a dry filtration structure, such as Figure 3 As shown, the dry filtering structure includes a filter screen 351 and a paint blocking screen 352 sequentially arranged on the exhaust path in the second channel 31 , wherein the filter screen 351 in this embodiment is an accordion-type paper filter screen.

[0058] In another embodiment, the filtration structure adopts a wet filtration structure, such as Figure 4As shown, the wet filtration structure includes a water curtain plate 361 provided on the side of the workpiece 6 away from the spray gun 32, and a first water pool 362 for forming a water curtain is provided above the water curtain plate 361. In this embodiment, the first water pool 362 is an overflow pool; a second water pool 363 is provided below the water curtain plate 361, and the water curtain formed by the first water pool 362 flows through the water curtain plate 361 and falls into the second water pool 363, wherein the water curtain will adhere to air and paint when flowing through the water curtain plate 361, and bring the air and paint into the second water pool 363; a plurality of water retaining plates 364 are provided on the side of the water curtain plate 361 away from the workpiece 6, and the air entering the second water pool 363 is discharged from the water curtain plate 361. The side facing away from the workpiece 6 floats to the surface, and the air will be blocked by the water baffle 364 during the rising process. Most of the water vapor and paint carried in the air will be blocked by the water baffle 364, thereby minimizing the leakage of paint; the first water pool 362 and the second water pool 363 are connected by a circulation pipe 365, and the water inlet of the circulation pipe 365 is located in the second water pool 363, and the water outlet of the circulation pipe 365 is located in the first water pool 362, and there is a vortex structure 366 at the water inlet of the circulation pipe 365, which provides the circulation pipe 365 with power to transport water from the second water pool 363 to the first water pool 362.

[0059] In other embodiments, the filtration structure may also include a dry filtration structure and a wet filtration structure.

[0060] Preferably, at least two second heating structures 52 are provided in the curing device 5 .

[0061] In this embodiment, two second heating structures 52 are provided, and the two second heating structures 52 are respectively disposed at a quarter of the inner side of both ends of the fourth channel 51 to ensure that the temperature in the fourth channel 51 is as uniform as possible.

[0062] The second heating structure 52 includes an air supply duct 521 and an air return duct 522, wherein the conveying track 11 passes through the air supply duct 521; the air inlet of the air supply duct 521 is connected to the output end of the circulation fan 523, the air outlet of the air supply duct 521 is connected to the air inlet of the return air duct 522, and the air outlet of the return air duct 522 is connected to the input end of the circulation fan 523.

[0063] In this embodiment, a heating element 524 is provided between the air inlet of the air supply duct 521 and the output end of the circulation fan 523; in other embodiments, the heating element 524 can also be provided between the air outlet of the return air duct 522 and the input end of the circulation fan 523.

[0064] Furthermore, the air supply pipe 521 or the air return pipe 522 of the second heating structure 52 may also be connected to the first channel 21 , so that heat is provided to the pre-treatment device 2 through the second heating structure 52 .

[0065] Furthermore, if Figure 7 As shown, if there are two paint spraying systems, the two paint spraying systems can share one curing device 5.

[0066] Preferably, a cooling device 8 is further provided after the curing device 5 along the conveying device 1 , and the cooling device 8 is used to cool the workpiece 6 after the paint film is cured.

[0067] Preferably, it also includes a loading device 91 and a unloading device 92.

[0068] In other embodiments, loading and unloading can also be done manually.

[0069] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the paint spraying system of the present invention, and can produce the positive effects described in the present invention.

[0070] Unless otherwise specified, in this utility model, if there are terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicating orientation or positional relationships, they are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationships in this utility model are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, they can understand the specific meanings of the above terms in conjunction with the accompanying drawings and according to specific circumstances.

[0071] Unless otherwise specified or limited, the terms "disposed," "connected," and "connected" in this utility model should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0072] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention falls within the scope of protection of the present invention.

Claims

1. The painting system for photovoltaic module frames is characterized by: include A transmission device (1) for conveying a workpiece; A pre-treatment device (2) for pre-treating the workpiece before painting; A paint spraying device (3), used for spraying paint on the workpiece; A leveling device (4) is used to form a paint film on the paint attached to the surface of the workpiece; A curing device (5) is used to dry out the moisture in the paint film on the workpiece surface and solidify the paint film on the workpiece surface; A paint spraying channel is also provided which sequentially passes through the pretreatment device (2), the paint spraying device (3), the leveling device (4) and the curing device (5); the transmission device (1) passes through the paint spraying channel, and the air in the paint spraying channel does not directly flow into the outside.

2. The photovoltaic module frame painting system according to claim 1, characterized in that: The pretreatment device (2), the paint spraying device (3), the leveling device (4) and the curing device (5) are respectively provided with a first channel (21), a second channel (31), a third channel (41) and a fourth channel (51), wherein the first channel (21), the second channel (31), the third channel (41) and the fourth channel (51) are all part of the paint spraying channel; and the inlet of the first channel is the workpiece inlet (61) of the paint spraying channel, and the outlet of the fourth channel (51) is the workpiece outlet (62) of the paint spraying channel.

3. The photovoltaic module frame painting system according to claim 2, characterized in that: The pretreatment device (2) and the paint spraying device (3), the paint spraying device (3) and the leveling device (4), and the leveling device (4) and the curing device (5) are all connected via a connecting device, wherein a connecting channel is provided in the connecting device, and the connecting channel is also part of the paint spraying channel.

4. The photovoltaic module frame painting system according to claim 2, characterized in that: An airflow control device (7) is provided at both the workpiece inlet (61) and the workpiece outlet (62), and the airflow control device (7) is used to control the one-way flow of air.

5. The photovoltaic module frame painting system according to claim 2, characterized in that: In the vertical direction, the fourth channel (51) is higher than the first channel (21), the second channel (31) and the third channel (41).

6. The photovoltaic module frame painting system according to claim 1, characterized in that: The pre-treatment device (2) comprises a first heating structure for heating the air in the first channel (21).

7. The photovoltaic module frame painting system according to claim 2, characterized in that: The paint spraying device (3) comprises a spray gun (32) arranged in the second channel (31), a reciprocating mechanism (33) for driving the spray gun (32) to move, a filtering structure, and an exhaust structure (34) for exhausting filtered air in the second channel (31); the filtering structure is used to remove paint from the air, and the filtering structure comprises a dry filtering structure and / or a wet filtering structure.

8. The photovoltaic module frame painting system according to claim 1, characterized in that: At least two second heating structures (52) are provided in the curing device (5).

9. The photovoltaic module frame spray painting system according to claim 1, characterized in that: A cooling device (8) is also included after the curing device (5) along the transmission device (1), and the cooling device (8) is used to cool the workpiece after the paint film is cured.

10. The photovoltaic module frame painting system according to claim 1, characterized in that: It also includes a loading device (91) and a unloading device (92).

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