Uniform spraying device for automobile part paint spraying

Abstract

The utility model discloses a uniform spraying device for paint spraying of automobile parts, which comprises a spraying box, a spraying mechanism capable of respectively adjusting the height of a plurality of spraying heads is arranged in the spraying box, the spraying mechanism comprises a spraying frame, a row of spraying pipes capable of moving up and down in a limiting manner are arranged in the spraying frame, a fixed push plate is arranged on one side of each spraying pipe, and the fixed push plate is arranged on the other side of each spraying pipe. A plurality of first hydraulic telescopic rods are fixed to the other side of the fixed push plate, and a moving mechanism capable of moving left and right and lifting the position of the spraying frame is further arranged in the spraying box. The spraying mechanism and other components are arranged, the spraying frame is controlled to descend, the bottom ends of the spraying pipes which are arranged at equal intervals make contact with the surface of a sample piece, the spraying pipes slide and move upwards along the inner wall of the sliding clamping groove, the fixed push plate is moved for extrusion and fixation, and the position curve of a spraying head is consistent with the surface curve of the sample piece in a fluctuating mode; the device can perform spraying operation according to the surface curvature of the workpiece, so that the spraying range of the device is more accurate, and the spraying thickness is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a uniform spraying device for painting automobile parts. Background Art

[0002] Auto parts are the various units and services that make up the entire car and a product of the car. With the improvement and optimization of automobile manufacturing and technology, in order to meet people's needs for multiple functions of automobiles, the types and numbers of auto parts are becoming more and more diverse and massive.

[0003] The inventor discovered during the process of implementing the utility model:

[0004] The patent document with announcement number CN214717741U discloses a paint spraying device for automobile parts processing that can spray uniformly, including a support mechanism and a spraying mechanism, the spraying mechanism is installed inside the support mechanism, the spraying mechanism includes a threaded column, a rotating motor, a placement plate, a moving block, a lifting rod, a mounting plate, a nozzle, a blower and an air outlet, the threaded column is installed between the two sides of the spraying bin, the right side of the threaded column is fixedly connected to the rotating motor, a moving block is provided on the threaded column, a lifting rod and a mounting plate are installed at the lower end of the moving block, a number of nozzles are evenly installed at the lower end of the mounting plate, the blower is installed on the left outer wall of the spraying bin, and the air outlet is installed on the right outer wall of the spraying bin. The utility model realizes the flexible movement of the nozzle through the threaded column, the moving block and the lifting rod, and has good flexibility. Through the blower and the air outlet, the sprayed automobile parts are quickly dried, the spraying efficiency is improved, and uniform spraying is achieved through multiple evenly arranged nozzles.

[0005] During the spraying process of automobile accessories, if the height of the nozzle from the surface of the accessory is different, the spraying effect of the nozzle will be different. However, when the above-mentioned device adjusts the height of the spraying mechanism, the height positions of multiple nozzles are synchronously adjusted by the lifting rod. Due to the curvature of the surface of the automobile accessory plate, the height difference between these nozzles and the surface of the accessory below is different, which leads to the problem of uneven spraying thickness on the surface of the accessory plate. Summary of the invention

[0006] In order to solve the problems existing in the prior art, the utility model proposes a uniform spraying device for painting automobile parts, which can adjust the height positions of multiple nozzles separately to avoid the problem of uneven spraying thickness on the surface of the accessory plate.

[0007] To this end, the technical solution of the utility model is: a uniform spraying device for painting automobile parts, including a spray box, a spray mechanism capable of adjusting the heights of multiple spray heads respectively is arranged inside the spray box, the spray mechanism includes a spray frame, the interior of the spray frame is provided with sliding slots distributed at equal distances, each sliding slot is slidably connected to a spray pipe, the outer surface of the spray pipe is fixed with a sliding bar, each sliding bar is slidably connected to the inner wall of the corresponding sliding slot, the outer surface of the spray pipe is fixed with a limiting retaining ring, a fixed push plate is arranged inside the spray frame, a plurality of hydraulic telescopic rods are fixed to the inner wall of the spray frame, the extending end of each hydraulic telescopic rod is fixed to the fixed push plate, the interior of the spray box is provided with a moving mechanism capable of moving left and right and lifting the position of the spray frame, the moving mechanism includes a servo motor, and the servo motor is fixedly connected to one side of the spray box.

[0008] A further improvement to the above technical solution is that a storage barrel is fixed on the upper surface of the spray box, a connecting control box is fixed on the inner wall of the spray rack, the storage barrel is connected to multiple spray pipes through the connecting control box, a hose is connected between the storage barrel, the connecting control box and the spray pipe, and the connection between the multiple spray pipes below and the storage barrel can be opened and closed through the connecting control box.

[0009] A further improvement to the above technical solution is that a threaded rod is fixed to the output end of the servo motor, one end of the threaded rod is rotatably connected to the inner wall of the spray box via a rotating shaft, and the servo motor is turned on to provide rotational power to the threaded rod, so that the threaded rod can rotate stably in the spray box.

[0010] A further improvement to the above technical solution is that: the outer surface of the threaded rod is threadedly connected to a movable frame, the interior of the movable frame is slidably connected to a guide rod, the guide rod is fixed to the inner wall of the spray box, the position of the guide rod is parallel to the position of the threaded rod, and when the threaded rod rotates, the movable frame moves left and right in the spray box.

[0011] A further improvement to the above technical solution is that: a hydraulic telescopic rod 2 extending downward is fixed to the bottom surface of the movable frame, and the extended end of the hydraulic telescopic rod 2 is fixed to the spray frame. The height position of the spray frame can be controlled by the extension and retraction of the hydraulic telescopic rod 2, thereby completing the lifting and lowering movement of the spray frame in the spray box.

[0012] A further improvement to the above technical solution is that a working platform is provided on the inner bottom wall of the spray box, the spray box is hinged with a closed door, tooling is used on the working platform to fix the automotive parts, and the closed door is closed during the spraying operation to prevent paint from splashing.

[0013] A further improvement to the above technical solution is that an observation window is installed inside the closed door, and a handle is fixed on the outer surface of the closed door. The spraying situation inside the box can be observed through the observation window, and the staff opens and closes the closed door through the handle.

[0014] Beneficial effect: The utility model sets the spraying mechanism and other components, controls the spraying frame to descend, allows the bottom ends of the spraying tubes arranged at equal distances to contact the surface of the sample, and makes the spraying tube slide up along the inner wall of the sliding slot, and then squeezes and fixes the spraying tube by moving the fixed push plate. At this time, the bottom end of the spraying tube is resisted by the sample, so that the position curve of the spray head is consistent with the surface curve of the sample. After the workpiece and the sample are placed and fixed in the same direction, the device can perform the spraying operation according to the surface curvature of the workpiece, so that the spraying range of the device is more accurate and the spraying thickness is more uniform; by setting the moving mechanism, through the connection relationship between the guide rod, the moving frame and the threaded rod, when the servo motor drives the threaded rod to rotate, the moving frame can move smoothly and evenly above the workpiece, and the overall height of the spraying tube can be adjusted by the hydraulic telescopic rod 2, so that the spray head can always be at a suitable height to spray the workpiece, so that the spraying of the device is more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the utility model.

[0016] Figure 2 It is an internal sectional view of the spray box of the utility model.

[0017] Figure 3 It is a structural diagram of the mobile frame of the utility model.

[0018] Figure 4 It is a structural diagram of the spraying mechanism of the utility model.

[0019] As shown in the figure: 1. Spray box; 2. Spraying mechanism; 201. Spraying rack; 202. Sliding slot; 203. Spraying tube; 204. Slide; 205. Limiting ring; 206. Fixed push plate; 207. Hydraulic telescopic rod 1; 3. Moving mechanism; 301. Servo motor; 302. Threaded rod; 303. Moving rack; 304. Guide rod; 305. Hydraulic telescopic rod 2; 4. Storage barrel; 5. Connection control box; 6. Working platform; 7. Enclosed door; 8. Observation window; 9. Handle. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings, but this embodiment should not be understood as a limitation to the present invention.

[0021] The utility model Figures 1 to 4 As shown:

[0022] A uniform spraying device for painting automobile parts comprises a spray box 1, wherein the interior of the spray box 1 is provided with a spray mechanism 2 capable of adjusting the heights of a plurality of spray heads respectively, the spray mechanism 2 comprises a spray frame 201, wherein the interior of the spray frame 201 is provided with sliding slots 202 distributed at equal distances, the interior of each sliding slot 202 is slidably connected with a spray pipe 203, the outer surface of each spray pipe 203 is fixed with a slide bar 204, each slide bar 204 is slidably connected with the inner wall of the corresponding sliding slot 202, the workpiece surface is sprayed by the nozzle at the bottom end of the spray pipe 203, and the spraying effect of each nozzle is the same, and the spray pipe 203 slides downward along the inner wall of the sliding slot 202 under the action of gravity.

[0023] The outer surface of each spray tube 203 is fixed with a limiting retaining ring 205, and a fixed push plate 206 is provided inside the spray rack 201. A plurality of hydraulic telescopic rods 207 are fixed to the inner wall of the spray rack 201, and the extending end of each hydraulic telescopic rod 207 is fixed to the fixed push plate 206. The limiting retaining ring 205 can limit the spray tube 203 to prevent the spray tube 203 from slipping inside the spray rack 201. The fixed push plate 206 is pushed to move by the hydraulic telescopic rod 207, so that the spray tube 203 can be squeezed and fixed, thereby fixing the height position of the spray tube 203 inside the spray rack 201.

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, a storage barrel 4 is fixed on the upper surface of the spray box 1, and a connecting control box 5 is fixed on the inner wall of the spray rack 201. The storage barrel 4 is connected to multiple spray pipes 203 through the connecting control box 5. A hose is connected between the storage barrel 4, the connecting control box 5 and the spray pipes 203, and the connection state between the multiple spray pipes 203 below and the storage barrel 4 can be opened and closed through the connecting control box 5.

[0025] like Figure 1 and Figure 2 As shown, the interior of the spray box 1 is provided with a moving mechanism 3 which can move left and right and lift the position of the spray rack 201, the moving mechanism 3 includes a servo motor 301, the servo motor 301 is fixedly connected to one side of the spray box 1, a threaded rod 302 is fixed to the output end of the servo motor 301, one end of the threaded rod 302 is rotatably connected to the inner wall of the spray box 1 through a rotating shaft, and the servo motor 301 is turned on to provide rotational power to the threaded rod 302, so that the threaded rod 302 can rotate stably in the spray box 1.

[0026] like Figure 2 and Figure 3As shown, the outer surface of the threaded rod 302 is threadedly connected to the movable frame 303, and the inside of the movable frame 303 is slidably connected to the guide rod 304, the guide rod 304 is fixed to the inner wall of the spray box 1, and the position of the guide rod 304 is parallel to the position of the threaded rod 302. When the threaded rod 302 rotates, the movable frame 303 moves left and right in the spray box 1.

[0027] like Figure 2 and Figure 3 As shown, a hydraulic telescopic rod 305 extending downward is fixed to the bottom surface of the movable frame 303, and the extended end of the hydraulic telescopic rod 305 is fixed to the spray frame 201. The height position of the spray frame 201 can be controlled by the extension and retraction of the hydraulic telescopic rod 305, thereby completing the lifting and lowering movement of the spray frame 201 in the spray box 1.

[0028] like Figure 1 and Figure 2 As shown, a working platform 6 is provided on the inner bottom wall of the spray box 1, and a closed door 7 is hingedly connected to the spray box 1. A tool is used to fix the automobile parts on the working platform 6, and the closed door 7 is closed during the spraying operation to prevent paint from splashing.

[0029] like Figure 1 As shown, an observation window 8 is installed inside the closed door 7, and a handle 9 is fixed on the outer surface of the closed door 7. The spraying situation inside the box can be observed through the observation window 8, and the staff opens and closes the closed door 7 through the handle 9.

[0030] The working principle of this utility model:

[0031] When in use, the sample is fixed on the working platform 6 by the fixing tool, and the spray rack 201 is driven down by the hydraulic telescopic rod 205, so that the bottom end of the spray tube 203 contacts the surface of the sample, and the spray tube 203 slides up along the inner wall of the sliding slot 202, and then the fixed push plate 206 is pushed to move by the hydraulic telescopic rod 1 207 to squeeze and fix the spray tube 203, so as to fix the spray tube 203 at the height position inside the spray rack 201. At this time, the bottom end of the spray tube 203 is resisted by the sample, so that the position curve of the nozzle is consistent with the surface of the sample. The surface curve is consistent, and then the spray frame 201 is raised to a suitable height, the workpiece and the sample are placed and fixed in the same direction, and the threaded rod 302 is driven to rotate by the servo motor 301, so that the movable frame 303 can drive the spray frame 201 to move at a uniform and stable speed above the workpiece, so that the device can spray according to the surface curvature of the workpiece, and the spraying range of the device is more precise, and the spraying thickness is more uniform. By connecting the control box 5 to close the pipe connection of the spray pipe 203 that is not in contact with the sample, the consumption of paint raw materials can be saved.

[0032] Parts not described in detail in this specification are well-known technologies in the art.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A uniform spraying device for painting automobile parts, comprising a spray box (1), characterized in that: The spray box (1) is provided with a spray mechanism (2) capable of adjusting the heights of a plurality of spray heads respectively. The spraying mechanism (2) comprises a spraying frame (201), wherein the interior of the spraying frame (201) is provided with sliding slots (202) distributed at equal distances, the interior of each sliding slot (202) is slidably connected to a spraying tube (203), the outer surface of the spraying tube (203) is fixed with a sliding bar (204), each sliding bar (204) is slidably connected to the inner wall of the corresponding sliding slot (202), the outer surface of the spraying tube (203) is fixed with a limiting retaining ring (205), the interior of the spraying frame (201) is provided with a fixed push plate (206), and the inner wall of the spraying frame (201) is fixed with a plurality of hydraulic telescopic rods (207), and the extending end of each hydraulic telescopic rod (207) is fixed to the fixed push plate (206); A moving mechanism (3) capable of moving the spray frame (201) left and right and lifting the position thereof is arranged inside the spray box (1). The moving mechanism (3) comprises a servo motor (301). The servo motor (301) is fixedly connected to one side of the spray box (1).

2. The uniform spraying device for painting automobile parts according to claim 1, characterized in that: A material storage barrel (4) is fixed on the upper surface of the spray box (1), a connection control box (5) is fixed on the inner wall of the spray frame (201), and the material storage barrel (4) is connected to a plurality of spray pipes (203) via the connection control box (5).

3. A uniform spraying device for painting automobile parts according to claim 1 or 2, characterized in that: A threaded rod (302) is fixed to the output end of the servo motor (301), and one end of the threaded rod (302) is rotatably connected to the inner wall of the spray box (1) via a rotating shaft.

4. The uniform spraying device for painting automobile parts according to claim 3, characterized in that: The outer surface of the threaded rod (302) is threadedly connected to a moving frame (303), the interior of the moving frame (303) is slidably connected to a guide rod (304), and the guide rod (304) is fixed to the inner wall of the spray box (1).

5. A uniform spraying device for painting automobile parts according to claim 4, characterized in that: A second hydraulic telescopic rod (305) extending downward is fixed to the bottom surface of the movable frame (303), and an extended end of the second hydraulic telescopic rod (305) is fixed to the spraying frame (201).

6. A uniform spraying device for painting automobile parts according to claim 1, 2, 4 or 5, characterized in that: A working platform (6) is provided on the inner bottom wall of the spray box (1), and a closed door (7) is hingedly connected to the spray box (1).

7. A uniform spraying device for painting automobile parts according to claim 6, characterized in that: An observation window (8) is installed inside the closed door (7), and a handle (9) is fixed on the outer surface of the closed door (7).

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