A painting device for automotive exterior parts

Abstract

This utility model belongs to the field of automotive parts processing technology, and in particular to a spraying device for automotive exterior parts. It includes a spraying box with two hinged doors on the front. Inside the spraying box are two fixed support seats, and three rotating shafts are rotatably connected between the two support seats via bearings. Each rotating shaft has two limiting blocks fixed to its surface. This utility model, by fixing multiple car roof racks to the rotating shafts, allows the spraying plate, which moves back and forth above, to spray the car roof racks. During the spraying process, a drive mechanism can rotate the rotating shafts left and right to a certain angle, enabling the spraying plate to comprehensively spray the car roof racks in one operation, eliminating the need for multiple loading and unloading by workers. Furthermore, a drying mechanism ensures that hot air is evenly blown onto the painted surface of the car roof racks, thereby accelerating the drying speed of the paint.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, specifically to a spraying device for automotive exterior parts. Background Technology

[0002] Car roof racks, also known as roof rails or roof luggage racks, are auxiliary devices installed on the roof of vehicles. They are mainly used to expand storage space and facilitate the carrying of large items or travel gear. Car roof racks require painting during production. Since the painting equipment is usually single-sided, workers need to load and unload the roof rack multiple times during the painting process to complete the full painting work. This results in relatively low painting efficiency for car roof racks and also increases the workload and repetitiveness of the workers. Therefore, we propose a painting device for automotive exterior parts to solve the above problems. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] In view of the shortcomings of the prior art, the present invention provides a spraying device for automotive exterior parts, which solves the problems mentioned in the background art.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] A painting device for automotive exterior parts includes a painting box with two hinged doors on its front. Two support seats are fixed inside the painting box, and three rotating shafts are rotatably connected between the two support seats via bearings. Two limiting blocks are fixed to the surface of each rotating shaft. A drive mechanism for synchronously rotating the three rotating shafts is provided at the bottom of the painting box. A lead screw is rotatably connected inside the painting box via bearings, and a moving block is threaded onto the surface of the lead screw. A painting plate is fixed to the bottom of the moving block. One end of the inlet hose of the painting plate is connected and fixed to a transition pipe fixed to the back of the painting box. A drying assembly for drying the painted exterior parts is installed on the painting box.

[0008] Furthermore, the driving mechanism includes an electric push rod fixed to the bottom of the spray box, a U-shaped plate fixed to the top end of the electric push rod, racks slidably connected inside the support base, the bottom of the racks slidably extending through the spray box to its lower part and fixedly connected to the U-shaped plate, and two gears fixed to the surface of each of the three rotating shafts, the gears respectively meshing with the corresponding racks.

[0009] Furthermore, T-shaped guide grooves are provided on the inner walls of both sides of the two support seats, and T-shaped sliding plates that are adapted to the T-shaped guide grooves are fixed on the inner walls of both sides of the two racks.

[0010] Furthermore, the drying assembly includes an electric push rod two fixed to the top of the spray box. The top end of the electric push rod two slides through the spray box and extends into its interior and is fixed with a movable seat. Four air blowing plates are fixed at the bottom of the movable seat. An annular tube is fixed to the top inner wall of the spray box. Four corrugated hoses are connected and fixed on the annular tube. The bottom ends of the corrugated hoses are respectively connected and fixed to the corresponding air blowing plates.

[0011] Furthermore, both sides of the spray box are provided with exhaust holes, and each exhaust hole is fixed with a mounting frame, and each mounting frame is fixed with a dustproof net.

[0012] Furthermore, activated carbon honeycomb panels are fixed inside both mounting frames, and the activated carbon honeycomb panels are located inside the dustproof net.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a spraying device for automotive exterior parts, which has the following beneficial effects:

[0015] This invention, by fixing multiple car roof racks to a rotating shaft, allows the roof racks to be painted using a spraying plate that moves back and forth above. During the painting process, a drive mechanism rotates the rotating shaft to a certain angle, enabling the roof racks to be painted completely in one go without the need for multiple loading and unloading by workers. Furthermore, a drying mechanism ensures that hot air is evenly blown onto the painted surface of the roof racks, thereby accelerating the drying speed of the paint. Attached Figure Description

[0016] Figure 1 This is a first-view schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a second-view schematic diagram of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the support structure of this utility model;

[0019] Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0020] Figure 5 This is a schematic diagram of the movable seat structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the mounting frame structure of this utility model.

[0022] In the diagram: 1. Spraying box; 2. Box door; 3. Support base; 4. Rotating shaft; 5. Limiting block; 6. Drive mechanism; 601. Electric push rod one; 602. U-shaped plate; 603. Rack; 604. Gear; 605. T-shaped guide groove; 606. T-shaped sliding plate; 7. Lead screw; 8. Moving block; 9. Spraying plate; 10. Drying assembly; 1001. Electric push rod two; 1002. Moving base; 1003. Air blowing plate; 1004. Ring pipe; 1005. Corrugated hose; 11. Exhaust port; 12. Mounting frame; 13. Dustproof net; 14. Activated carbon honeycomb panel. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example

[0025] like Figure 1 , Figure 2 and Figure 3As shown in the figure, an embodiment of the present invention discloses a painting device for automotive exterior parts, including a painting box 1. Two doors 2 are hinged to the front of the painting box 1. Two support seats 3 are fixed inside the painting box 1. Three rotating shafts 4 are rotatably connected between the two support seats 3 via bearings. Two limiting blocks 5 are fixed to the surface of each rotating shaft 4. The limiting blocks 5 have locking posts for engaging car roof racks, consisting of metal posts and rubber sleeves. A drive mechanism 6 is provided at the bottom of the painting box 1 to drive the three rotating shafts 4 to rotate synchronously. A lead screw 7 is rotatably connected inside the painting box 1 via bearings, and a moving block 8 is threaded onto the surface of the lead screw 7. Inside the spray box 1, two limiting rods adapted to the movable block 8 are fixed, and the movable block 8 slides on the surface of the two limiting rods. This prevents the movable block 8 from rotating synchronously with the screw 7 when the screw 7 rotates and drives the movable block 8 to move. A spray plate 9 is fixed to the bottom of the movable block 8, and wireless control valves are installed on multiple nozzles of the spray plate 9. Since the surface position of the car roof rack changes when it is flipped left and right, the nozzle directly above the rotating shaft 4 will be turned on when the upper surface of the car roof rack is sprayed, and the nozzles at the corresponding positions on the left or right sides will be turned on when the left or right surface of the car roof rack is sprayed. This avoids the problem of dry spraying from the nozzle. One end of the inlet hose of the spray plate 9 is connected and fixed to the transition pipe fixed on the back of the spray box 1. The spray box 1 is equipped with a drying component 10 for drying the painted exterior parts. During the use of this automotive exterior part spraying device, since the bottom of the car roof rack has locking holes, the car roof rack can be placed on two corresponding horizontal limit blocks 5 for locking and fixing. After a certain number of car roof racks are locked, the output pipe of the paint delivery pump is connected and fixed to the transition pipe. At this time, the paint can be delivered to the inside of the inlet hose of the spray plate 9 through the transition pipe. The coating can be sprayed through the spray plate 9. During spraying, the motor can be started to drive the lead screw 7 to rotate. After the lead screw 7 rotates back and forth, it can drive the moving block 8 to move back and forth, thereby driving the spray plate 9 to spray the upper surface of the car roof rack. After the upper surface is sprayed, the three rotating shafts 4 can be driven to rotate forward or reverse in parallel by operating the drive mechanism 6. When the rotating shafts 4 rotate, they will drive the fixed car roof rack to rotate and tilt. At this time, the two sides of the roof rack can be sprayed. Finally, after the spraying is completed, the sprayed car roof rack can be dried by the drying component 10. After drying, the staff can take it out.

[0026] like Figure 2 and Figure 3As shown, in some embodiments, the drive mechanism 6 includes an electric push rod 601 fixed to the bottom of the spray box 1. A U-shaped plate 602 is fixed to the top end of the electric push rod 601. A rack 603 is slidably connected inside the support base 3. T-shaped guide grooves 605 are provided on the inner walls of both sides of the two support bases 3. T-shaped sliding plates 606 that are adapted to the T-shaped guide grooves 605 are fixed on the inner walls of both racks 603, which can provide auxiliary support for the racks 603 so that they are more stable during sliding. The bottom of the racks 603 slides through the spray box 1 and extends below it. It is fixedly connected to the U-shaped plate 602. Two gears 604 are fixed on the surface of each of the three rotating shafts 4. The gears 604 are respectively meshed with the corresponding racks 603. When in use, the top end of the electric push rod 601 is in a semi-extended state. After the electric push rod 601 is started to continue to push the U-shaped plate 602 to move, the rotating shaft 4 can be rotated counterclockwise under the cooperation of the racks 603 and the gears 604. When the top end of the electric push rod 601 is started to retract and drive the U-shaped plate 602 to move, the rotating shaft 4 can be driven to rotate clockwise under the cooperation of the racks 603 and the gears 604.

[0027] like Figure 1 , Figure 4 and Figure 5 As shown, in some embodiments, the drying assembly 10 includes an electric push rod 1001 fixed to the top of the spray box 1. The top end of the electric push rod 1001 slides through the spray box 1 and extends into it, where a movable seat 1002 is fixed. Four air blowing plates 1003 are fixed to the bottom of the movable seat 1002. An annular tube 1004 is fixed to the inner wall of the top of the spray box 1. Four corrugated hoses 1005 are connected and fixed to the annular tube 1004. The bottom ends of the corrugated hoses 1005 are respectively connected and fixed to the corresponding air blowing plates 1003. In use, the inlet end of the annular tube 1004 passes through the spray box 1 and extends to its outside, drying the spray box 1. After the inlet pipe is connected and fixed to the hot air blower's delivery pipe, the hot air blown out by the hot air blower will be delivered to the inside of the annular pipe 1004, and then delivered to the inside of the air blowing plate 1003 through the corrugated hose 1005 and blown out. Activating the electric push rod 1001 can drive the moving seat 1002 to move down. After the moving seat 1002 moves down, it will drive the four air blowing plates 1003 to move down close to the painted car roof rack, thereby enabling the paint sprayed on its surface to dry quickly. In addition, during the drying process, the car roof rack can be operated to flip back and forth to improve the drying speed of the paint on its upper and side surfaces.

[0028] like Figure 1 and Figure 6As shown, in some embodiments, exhaust holes 11 are provided on both side walls of the spray box 1, and mounting frames 12 are fixed at each exhaust hole 11. Dustproof nets 13 are fixed inside each mounting frame 12, and activated carbon honeycomb plates 14 are fixed inside each mounting frame 12. The activated carbon honeycomb plates 14 are located inside the dustproof nets 13. The exhaust holes 11 facilitate the discharge of gas after drying the car roof rack, while the dustproof nets 13 prevent dust and lint from entering the interior of the spray box 1. Furthermore, the activated carbon honeycomb plates 14 are fixed inside each mounting frame 12, which can purify the gas discharged from the exhaust holes 11 to a certain extent.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A painting apparatus for automotive exterior parts, comprising a painting box (1), characterized in that: The spray box (1) has two hinged doors (2) on the front. The inside of the spray box (1) has two fixed support seats (3). Three rotating shafts (4) are rotatably connected between the two support seats (3) through bearings. Two limiting blocks (5) are fixed on the surface of each rotating shaft (4). The bottom of the spray box (1) is provided with a drive mechanism (6) for driving the three rotating shafts (4) to rotate synchronously. The inside of the spray box (1) is rotatably connected with a lead screw (7) through bearings. A moving block (8) is threaded on the surface of the lead screw (7). A spray plate (9) is fixed at the bottom of the moving block (8). One end of the inlet hose of the spray plate (9) is connected and fixed to a transition pipe fixed on the back of the spray box (1). A drying assembly (10) for drying the exterior parts after spraying is installed on the spray box (1).

2. The spraying device for an automobile exterior member according to claim 1, characterized by: The drive mechanism (6) includes an electric push rod (601) fixed to the bottom of the spray box (1). A U-shaped plate (602) is fixed to the top end of the electric push rod (601). A rack (603) is slidably connected inside the support base (3). The bottom of the rack (603) slides through the spray box (1) and extends below it and is fixedly connected to the U-shaped plate (602). Two gears (604) are fixed on the surface of the three rotating shafts (4). The gears (604) mesh with the corresponding racks (603).

3. The spraying device for an automobile exterior member according to claim 2, characterized by: Both sides of the inner walls of the two support bases (3) are provided with T-shaped guide grooves (605), and both sides of the two racks (603) are fixed with T-shaped sliding plates (606) that are compatible with the T-shaped guide grooves (605).

4. The spraying device for an automobile exterior member according to claim 1, characterized by: The drying assembly (10) includes an electric push rod two (1001) fixed on the top of the spray box (1). The top end of the electric push rod two (1001) slides through the spray box (1) and extends into it and is fixed with a movable seat (1002). Four air blowing plates (1003) are fixed at the bottom of the movable seat (1002). An annular tube (1004) is fixed on the top inner wall of the spray box (1). Four corrugated hoses (1005) are connected and fixed on the annular tube (1004). The bottom ends of the corrugated hoses (1005) are respectively connected and fixed to the corresponding air blowing plates (1003).

5. The spraying device for an automobile exterior member according to claim 1, characterized by: The spray box (1) has exhaust holes (11) on both sides of its side walls. Each exhaust hole (11) is fixed with a mounting frame (12), and each mounting frame (12) is fixed with a dustproof net (13).

6. The painting apparatus for automotive exterior parts according to claim 5, characterized in that: Both mounting frames (12) have activated carbon honeycomb panels (14) fixed inside, which are located inside the dustproof net (13).

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