Spraying line body and spraying equipment

Abstract

The invention provides a spraying line body and spraying equipment, the spraying line body comprises an annular assembly line, a rotary driving device, a braking device, a plurality of supporting devices and a spraying device, each supporting device is rotatably arranged on the annular assembly line, the spraying device sprays products supported on each supporting device, and the annular assembly line is arranged on the annular assembly line. During spraying, the rotary driving device drives the supporting devices to rotate; and the braking device is arranged at the corner of the annular assembly line, the braking device is arranged at the downstream of the spraying device, and the braking device is used for braking the rotating supporting device. The spraying equipment comprises a water curtain device, a sewage pool, an air blowing device, a water vapor separation device and the spraying line body.

Description

Technical Field

[0001] This patent relates to the field of spraying technology, specifically to a spraying line and spraying equipment. Background Technology

[0002] With the rapid development of technology, electronic products with various functions are emerging in an endless stream. While these products bring various convenient functions, their appearance is also very important. Therefore, electronic products need to be made with aesthetically pleasing casings. Spray painting is a common processing method. Casings are usually beautified by spraying pigments, patterns, hardening layers, anti-corrosion layers, and other coatings. Current spray painting processes typically involve manual hand-held spray guns or fixed spray guns on machinery. However, many product casings have complex structures, and it is difficult to ensure that every part of the casing is sprayed evenly using manual hand-held spray guns or fixed spray guns on machinery, thus affecting the visual appearance of the casing and the electronic product. Summary of the Invention

[0003] To solve the above-mentioned technical problems, this patent discloses a spraying line, including a circular production line, a rotary drive device, a braking device, multiple support devices, and a spraying device. Each of the support devices is rotatably mounted on the circular production line. The spraying device sprays the products supported on each of the support devices. During spraying, the rotary drive device drives each of the support devices to rotate. The braking device is located at the corner of the circular production line and is downstream of the spraying device. The braking device stops the rotating support devices.

[0004] In addition, this patent also discloses a spraying equipment including the aforementioned spraying line, comprising a water curtain device, a sewage tank, an air blowing device, a water vapor separation device, and the aforementioned spraying line. The air blowing device is disposed above the sewage tank, the spraying line and the water curtain device are disposed on opposite sides of the sewage tank, the water vapor separation device is disposed behind the water curtain device, the spraying device is disposed opposite to the water curtain device, and the gas blown out by the air blowing device reaches the water vapor separation device below the water curtain device. Attached Figure Description

[0005] Figure 1 This is a schematic diagram of the spraying line structure in Embodiment 1 of this patent specification; Figure 2 This is a schematic diagram of the installation of the annular production line, rotary drive device, braking device and support device in Embodiment 1 of this patent specification. Figure 3 This is a schematic diagram of the installation structure of the drive sprocket and brake disc in Embodiment 1 of this patent specification; Figure 4This is a schematic diagram of the support device in Embodiment 1 of this patent specification; Figure 5 This is a schematic diagram of the spraying device in Embodiment 1 of this patent specification; Figure 6 This is a three-dimensional structural diagram of the spraying equipment in Embodiment 2 of this patent specification; Figure 7 This is a longitudinal cross-sectional view of the spraying equipment in Embodiment 2 of this patent specification; Figure 8 This is a schematic diagram of the structure of the first separation plate in Embodiment 2 of this patent specification; Figure 9 This is a schematic diagram of the structure of the second separation plate in Embodiment 2 of this patent specification; Figure 10 This is a schematic diagram of the drainage plate in Embodiment 2 of this patent specification.

[0006] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The same or similar reference numerals correspond to the same or similar components. The terms describing positional relationships in the drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. Detailed Implementation

[0007] To facilitate understanding by those skilled in the art, various embodiments of this patent will be described below with reference to text and accompanying drawings. For clarity, many practical details will be explained in the following description. However, it should be understood that these practical details should not be used to limit this patent. That is, in some embodiments of this patent, these practical details are not essential. Furthermore, for ease of understanding, some conventional structures and components will be illustrated in the drawings in a simple schematic manner.

[0008] In the description of this patent, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this patent.

[0009] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this patent, "a plurality of" means two or more, unless otherwise explicitly specified.

[0010] In this patent, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0011] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this patent.

[0012] Example 1 See Figures 1-5 A spraying line 100 includes a circular production line 1, a rotary drive device 2, a braking device 3, multiple support devices 4, and a spraying device 5. Each support device 4 is rotatably mounted on the circular production line 1. The support device 4 is used to support and fix the shell to be sprayed. The circular production line 1 drives the support devices 4 to rotate and circulate. The spraying device 5 sprays the products supported on each support device 4. During spraying, the rotary drive device 2 drives each support device 4 to rotate, and the shell to be sprayed rotates with the support device 4, realizing rotary spraying. This allows all parts of the shell to be sprayed to be rotated to face the spraying device 5, ensuring that all parts of the shell are fully sprayed, guaranteeing the uniformity of the spraying, and improving the appearance and visual effect of the shell and electronic products.

[0013] See Figures 1-4The braking device 3 is located at the corner of the circular production line 1 and downstream of the spraying device 5. The braking device 3 brakes the rotating support device 4. After the support device 4 completes the rotational spraying at the spraying station where the spraying device 5 is located, it is quickly stopped by the braking device 3 to avoid the possible swinging of the support device 4 during continuous rotation, which could cause the sprayed products on adjacent support devices 4 to collide and be damaged. In addition, the quick stopping after spraying can avoid the centrifugal force affecting the uniformity of the coating on the surface of the sprayed products. Furthermore, because the braking device 3 can quickly stop the rotating support device 4 after spraying, the support devices 4 on the circular production line 1 can be densified, thereby improving the spraying efficiency and making full use of the paint sprayed by the spraying device 5, reducing paint waste.

[0014] See Figures 1-4 The support device 4 is equipped with an anti-slip wheel 41. The rotary drive device 2 drives the support device 4 to rotate by rotating the anti-slip wheel 41, which can prevent slippage when the rotary drive device 2 drives the support device 4 to rotate. In addition, the braking device 3 includes a brake disc 31, and a brake pad is provided around the outer circumference of the brake disc 31. The support device 4 is braked by contact between the anti-slip wheel 41 and the brake pad. The anti-slip wheel 41 can be an anti-slip pattern provided on a metal wheel disc.

[0015] See Figures 1-4 The circular production line 1 includes a circular chain 11 and a drive sprocket 12. The circular chain 11 is wound around the drive sprocket 12. The number and position of the sprockets 12 are arranged according to the layout of the spraying line. The circular chain 11 can be driven to rotate by a motor driving the sprocket 12. Multiple insertion holes are evenly distributed on the circular chain 11, and support devices 4 are inserted into these holes. A brake disc 31 is mounted on the drive sprocket 12. The diameter of the brake disc 31 is larger than the diameter of the drive sprocket 12. When each support device 4 passes the corner where the sprocket 12 is located, the brake disc 31 can press the support device 4 outwards, thereby increasing the distance between adjacent support devices 4 and preventing the already sprayed shells on adjacent support devices 4 from colliding and being damaged.

[0016] See Figure 1 and Figure 2 The rotary drive device 2 includes a first drive belt 21 and a second drive belt 22, which are disposed on opposite sides of the annular chain 11 and abut against opposite sides of the anti-slip wheel 41. During operation, the first drive belt 21 and the second drive belt 22 are driven to rotate by a motor, thereby rotating each support device 4. The placement of two sets of belts on opposite sides of the support device 4 ensures that the support device 4 is centered on the annular chain 11, preventing it from tilting to one side and affecting the coating effect on the shell to be coated.

[0017] See Figure 4 The support device 4 further includes a mounting rod 42, a support rod 43, and a protective sleeve 44. The mounting rod 42 is rotatably inserted into the insertion hole of the annular chain 11, and the anti-slip wheel 41 is fixedly mounted on the mounting rod 42. The support rod 43 is detachably mounted at the end of the mounting rod 42 away from the annular chain 11. The support rod 43 is detachable, allowing for replacement of the corresponding support rod 43 when spraying different housings. The protective sleeve 44 is detachably fitted onto the outside of the mounting rod 42 and can be removed for cleaning when contaminated by paint sprayed from the spraying device 5.

[0018] See Figure 5 The spraying device 5 includes a vertical fixing rod 51, a horizontal adjusting rod 52, and a spray head 53. The vertical fixing rod 51 is adjustablely positioned outside the annular production line 1, specifically within a groove parallel to the annular production line 1, allowing for sliding adjustment of the spraying device 5's position outside the annular production line 1. The horizontal adjusting rod 52 is adjustablely positioned on the vertical fixing rod 51, specifically fixed to the vertical fixing rod 51 by hand-tightening screws, thereby adjusting the height of the spraying device 5. The spray head 53 is adjustable in angle on the horizontal adjusting rod 52, specifically mounted on the round rod at the end of the horizontal adjusting rod 52 by hand-tightening screws, thereby adjusting the spraying direction of the spraying device 5.

[0019] See Figures 1-5 In this embodiment, when the spraying line 100 is working, the shell to be sprayed is fixed on the support device 4, and the circular production line 1 drives each support device 4 to rotate. At the spraying station where the spraying device 5 is located, the rotary drive device 2 drives the support device 4 to rotate, and the spraying device 5 sprays paint onto the surface of the shell fixed on the support device 4; at the corner position where the braking device 3 is located, the braking device 3 stops the rotating support device 4 to avoid collision between the sprayed shells on adjacent support devices 4; then the sprayed shells are unloaded from the support devices 4, and the circular production line 1 drives each support device 4 to rotate cyclically for repeated use.

[0020] Example 2 See Figures 1-10A spraying device includes a water curtain device 6, a wastewater tank 7, an air blowing device 8, a water vapor separator 9, and a spraying line 100 as described in Embodiment 1. The air blowing device 8 is a semi-enclosed cavity structure covering the wastewater tank 7. The spraying line 100 and the water curtain device 6 are located on opposite sides of the wastewater tank 7. The water vapor separator 9 is located behind the water curtain device 6. The spraying device 5 is positioned opposite the water curtain device 6. During operation, the air blowing device 8 blows clean air downwards. After passing through the wastewater tank 7, the air reaches below the water curtain device 6 and then below the water curtain device 6, reaching the water vapor separator 9. Thus, small paint particles in the surrounding air during spraying by the spraying device 5 are carried by the air blown out by the air blowing device 8 to the water vapor separator 9. The water vapor separator 9 separates the air containing the small paint particles from the water, facilitating further purification of the air and water containing the small paint particles.

[0021] See Figures 7-10 The water curtain device 6 includes an overflow trough 61, a guide plate 62, and diverting teeth 63. The guide plate 62 is positioned above the sewage tank 7, the overflow trough 61 is positioned at the top of the guide plate 62, and the diverting teeth 63 are positioned at the lower end of the guide plate 62. During operation, water in the overflow trough 61 flows out and down the guide plate 62 to form a water curtain. When the spraying device 5 sprays paint towards the housing on the support device 4, excess paint is absorbed by the water curtain. The diverting teeth 63 at the lower end of the guide plate 62 can effectively and evenly disperse the water curtain, allowing the airflow to further absorb small paint particles in the airflow as it passes below the guide plate 62.

[0022] See Figures 7-10The water vapor separation device 9 includes a diversion plate 91, a first separation plate 92, a second separation plate 93, a rear baffle 94, and an exhaust port 95. The diversion plate 91 is located below the water curtain device 6. The first separation plate 92, the second separation plate 93, and the exhaust port 95 are sequentially located above the diversion plate 91. The rear baffle 94 is located behind the water curtain device 6. The first separation plate 92 is inclined towards the side closer to the sewage tank 7, and the second separation plate 93 is inclined towards the side farther away from the sewage tank 7. The first separation plate 92 and the second separation plate 93 are respectively provided with a first through hole 921 and a second through hole 931. During operation, the airflow is guided by the guide plate 91 to the rear of the water curtain device 6. When passing through the first separation plate 92, the water vapor in the airflow condenses into water droplets upon encountering the plate wall and falls downwards into the sewage tank 7. The air and paint particles in the airflow pass through the first through hole 921 and reach below the second separation plate 93. When the airflow passes through the second separation plate 93, the water vapor in the airflow condenses into water droplets upon encountering the plate wall and falls downwards into the sewage tank 7. The air and paint particles in the airflow pass through the second through hole 931 and reach the exhaust port 95 for discharge. By setting up two separation devices, the first separation plate 92 and the second separation plate 93, the air, water vapor and small paint particles are separated twice, which can achieve sufficient separation of air, water vapor and small paint particles.

[0023] Obviously, the above embodiments of this patent are merely examples for clearly illustrating this patent, and are not intended to limit the implementation of this patent. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this patent should be included within the scope of protection of the claims of this patent.

Claims

1. A spray coating line, characterized in that: The assembly includes a circular production line, a rotary drive device, a braking device, multiple support devices, and a spraying device. Each of the support devices is rotatably mounted on the circular production line. The spraying device sprays the products supported on each of the support devices. During spraying, the rotary drive device drives each of the support devices to rotate. The braking device is located at a corner of the circular production line and is downstream of the spraying device. The braking device stops the rotating support devices.

2. The spraying line according to claim 1, characterized in that: The braking device includes a brake disc with brake pads on it, and an anti-slip wheel on the support device. The support device brakes by contacting the brake pads through the anti-slip wheel.

3. The spraying line according to claim 2, characterized in that: The circular assembly line includes a circular chain and a drive sprocket. The circular chain is wound around the drive sprocket, and the brake disc is mounted on the drive sprocket. The diameter of the brake disc is larger than the diameter of the drive sprocket.

4. The spraying line according to claim 2, characterized in that: The rotary drive device includes a first drive belt and a second drive belt, which are disposed on opposite sides of the annular chain and abut against opposite sides of the anti-slip wheel.

5. The spraying line according to claim 2, characterized in that: The support device also includes a mounting rod, a support rod, and a protective sleeve. The mounting rod is rotatably inserted into the ring chain, the anti-slip wheel is fixedly mounted on the mounting rod, the support rod is detachably mounted at the end of the mounting rod away from the ring chain, and the protective sleeve is detachably mounted on the outside of the mounting rod.

6. The spraying line according to claim 1, characterized in that: The spraying device includes a vertical fixed rod, a horizontal adjusting rod, and a spray head. The vertical fixed rod is adjustablely positioned outside the annular production line, the horizontal adjusting rod is adjustablely positioned on the vertical fixed rod, and the spray head angle is adjustablely positioned on the horizontal adjusting rod.

7. A spraying apparatus comprising a spraying line according to any one of claims 1 to 6, characterized in that: The system includes a water curtain device, a sewage tank, an air blowing device, a water vapor separation device, and a spraying line according to any one of claims 1 to 6. The air blowing device is located above the sewage tank, the spraying line and the water curtain device are located on opposite sides of the sewage tank, the water vapor separation device is located behind the water curtain device, the spraying device is located opposite the water curtain device, and the gas blown out by the air blowing device reaches the water vapor separation device below the water curtain device.

8. The spraying equipment according to claim 7, characterized in that: The water curtain device includes an overflow trough and a guide plate. The guide plate is located above the sewage tank, and the overflow trough is located on top of the guide plate.

9. The spraying equipment according to claim 8, characterized in that: The lower end of the guide plate is provided with flow-dividing teeth.

10. The spraying equipment according to claim 7, characterized in that: The water vapor separation device includes a diversion plate, a first separation plate, a second separation plate, a rear baffle, and an exhaust port. The diversion plate is located below the water curtain device. The first separation plate, the second separation plate, and the exhaust port are sequentially located above the second separation plate. The rear baffle is located behind the water curtain device. The first separation plate is inclined towards the side closer to the sewage tank, and the second separation plate is inclined towards the side farther away from the sewage tank.

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