Dead-angle-free spraying mechanism for outer plate of A column

Abstract

The invention discloses a dead-corner-free spraying mechanism for an outer plate of a column A. The dead-corner-free spraying mechanism for the outer plate of the column A. The dead-corner-free spraying mechanism for the outer plate of the column A. The dead-corner-free spraying mechanism comprises a roller conveyor, a drying mechanism is installed on one side of the roller conveyor, a mounting plate is fixedly connected to one side of the roller conveyor, and a paint spraying mechanism is installed on one side of the mounting plate. According to the device, a driving motor works, two first rotating rods synchronously rotate, a moving column and a moving frame are sequentially driven to rotate, a connecting plate moves along with the moving column, an adjusting mechanism and a visual detector are driven to move, a spraying gun sprays the surface of an A-column outer plate, and the visual detector detects the sprayed surface of the A-column outer plate; and when it is identified that the outer surface of the A-column outer plate has the spraying defect, the roller conveyor conveys the defect position of the A-column outer plate back to the position of the spraying gun in the reverse direction, the spraying gun conducts supplementary spraying on the defect position, and therefore dead-corner-free spraying can be conveniently conducted on the A-column outer plate, and the spraying effect of the A-column outer plate is improved.

Description

Technical Field

[0001] The invention relates to the technical field of A-pillar outer panel processing, in particular to an A-pillar outer panel spraying mechanism without dead angles. Background Art

[0002] The A-pillar outer panel, also known as the windshield pillar outer panel, is an important component of the car body structure. It connects the outer side of the pillar between the windshield and the left front door. When processing the A-pillar outer panel, the surface of the A-pillar outer panel needs to be painted to prevent it from damage such as corrosion, oxidation and scratches.

[0003] In the prior art, when spraying the A-pillar outer panel, due to the irregular shape of the A-pillar outer panel, there will be omissions after spraying, and there will be spraying defects. The spraying dead corners of the A-pillar outer panel cannot be checked and repainted in time, which affects the spraying quality of the A-pillar outer panel and affects the pass rate of the A-pillar outer panel production. Summary of the invention

[0004] The object of the present invention is to provide a dead angle spraying mechanism for the outer panel of the A-pillar, so as to solve the problem that the outer panel of the A-pillar is irregular in shape and omissions and missing spraying may occur when spraying paint on its surface proposed in the above-mentioned background technology. In the present invention, through the operation of the driving motor, the two first rotating rods rotate synchronously, and drive the movable column and the movable frame to rotate in turn, and the connecting plate moves accordingly, driving the adjustment mechanism and the visual inspection instrument to move, and the spray gun sprays the surface of the outer panel of the A-pillar, and the visual inspection instrument detects the surface of the outer panel of the A-pillar that has been sprayed. When it is identified that there is a spraying defect on the outer surface of the A-pillar outer panel, the roller conveyor reverses the transport to move the defective part of the A-pillar outer panel back to the position of the spray gun, and the spray gun repaints the defective part, thereby facilitating the dead angle spraying of the outer panel of the A-pillar and improving the spraying effect of the outer panel of the A-pillar.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dead angle-free spraying mechanism for an A-pillar outer panel, comprising a roller conveyor, a drying mechanism is installed on one side of the roller conveyor, a mounting plate is fixedly connected to one side of the roller conveyor, a spraying mechanism is installed on one side of the mounting plate, the spraying mechanism comprises an annular cover, two annular covers are fixedly connected to one side of the mounting plate, a fixing plate is fixedly connected to the inner side of one of the annular covers, a support plate is fixedly connected to one side of the fixing plate, a first rotating rod is rotatably connected to one side of the support plate, and the two first rotating rods are rotatably connected to one side of the mounting plate. The outside of the rod is fixedly connected with a first gear, and the two first gears are meshed with each other. One end of the first rotating rod is fixedly connected with a moving column, one end of the moving column is sleeved with a moving frame, one end of the moving frame is rotatably connected with a connecting plate, one end of the connecting plate is fixedly connected with a visual inspection instrument, and the other end of the connecting plate is installed with an adjusting mechanism. The drying mechanism is used to dry the surface of the A-pillar outer panel after spraying, the adjusting mechanism is used to adjust the position and angle of spraying on the surface of the A-pillar outer panel, and the painting mechanism is used to spray and inspect the surface of the A-pillar outer panel without dead angles.

[0006] Preferably, the paint spraying mechanism further comprises a belt assembly, wherein one of the first rotating rods is mounted with a driving motor via the belt assembly, and one side of the driving motor is fixedly connected to one side of the fixing plate.

[0007] Preferably, a sliding groove is provided on one side of the annular cover, a sliding block is slidably connected inside the sliding groove, and one end of the sliding block is fixedly connected to one end of the connecting plate.

[0008] Preferably, a compression spring is arranged inside the moving frame, and two ends of the compression spring abut against one end of the moving column and one end of the moving frame respectively.

[0009] Preferably, the adjustment mechanism includes a spray gun and a positioning plate, one side of the positioning plate is fixedly connected to one end of the connecting plate, the other side of the positioning plate is fixedly connected to a second electric push rod, one end of the second electric push rod is fixedly connected to a positioning frame, one side of the positioning frame is fixedly connected to a guide rod, and the outside of the guide rod is slidably connected to one side of the positioning plate.

[0010] Preferably, both sides of the spray gun are fixedly connected with a second rotating rod, wherein one end of one of the second rotating rods is rotatably connected to one side of the positioning frame, and another end of the second rotating rod passes through the positioning frame and is fixedly connected to a second gear, and one side of the second gear is meshed with a movable rack.

[0011] Preferably, one side of the movable rack is fixedly connected to a pushing frame, one side of the pushing frame is slidably connected to a sliding rail, one side of the sliding rail is fixedly connected to one side of the positioning frame, one side of the positioning frame is fixedly connected to a third electric push rod, and one end of the third electric push rod is fixedly connected to the pushing frame.

[0012] Preferably, the drying mechanism comprises a protective cover, the protective cover is fixedly connected to one side of the roller conveyor, the top of the protective cover is fixedly connected to a mounting frame, the interior of the mounting frame is fixedly connected to a supply fan, and conveying ports are opened on both sides of the protective cover.

[0013] Preferably, a heating wire is fixedly connected inside the protective cover.

[0014] Preferably, first electric push rods are fixedly connected to both sides of the interior of the protective cover, one end of the first electric push rod is fixedly connected to a movable plate, and the middle of the movable plate is fixedly connected to a ventilation pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, the two first rotating rods rotate synchronously by driving the motor, driving the movable column and the movable frame to rotate in turn, and the connecting plate moves accordingly, driving the adjustment mechanism and the visual inspection instrument to move, and the spray gun sprays the surface of the A-pillar outer panel, and the visual inspection instrument detects the sprayed surface of the A-pillar outer panel. When it is identified that there is a spraying defect on the outer surface of the A-pillar outer panel, the roller conveyor reverses the conveyance to return the defective part of the A-pillar outer panel to the position of the spray gun, and the spray gun repaints the defective part, thereby facilitating the A-pillar outer panel to be sprayed without dead angles, thereby improving the spraying effect of the A-pillar outer panel.

[0017] 2. In the present invention, the second electric push rod is used to push the positioning frame to make a linear motion, thereby driving the position of the spray gun to move. The third electric push rod is used to drive the push frame to move, the moving rack moves, and the second gear rotates, which in turn drives the second rotating rod and the spray gun to rotate, thereby adjusting the rotation angle of the spray gun, which is convenient for improving the accuracy of spraying the A-pillar outer panel surface with the spray gun and reducing spray defects.

[0018] 3. In the present invention, the air inside the protective cover is heated by the operation of the electric heating wire, and the supply fan cooperates with the electric heating wire to dry the paint on the surface of the A-pillar outer panel. The operation of the first electric push rod can drive the height change of the movable plate and the ventilation pipe, thereby adjusting the distance of the hot air blowing to the surface of the A-pillar outer panel, controlling the drying speed, and accelerating the drying of the surface coating of the A-pillar outer panel, thereby realizing a rapid drying process of the A-pillar outer panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a first three-dimensional structural schematic diagram of a dead angle-free spraying mechanism for an A-pillar outer panel of the present invention;

[0020] Figure 2 A second three-dimensional structural schematic diagram of a dead angle-free spraying mechanism for an A-pillar outer panel of the present invention;

[0021] Figure 3 It is a schematic diagram of the connection structure of a spraying mechanism of an A-pillar outer panel without dead angle spraying mechanism of the present invention;

[0022] Figure 4 It is a schematic diagram of the disassembled structure of a spraying mechanism of an A-pillar outer panel without dead angle spraying mechanism of the present invention;

[0023] Figure 5 It is a schematic diagram of the internal cross-sectional structure of a movable frame of a non-dead-angle spraying mechanism for an A-pillar outer panel of the present invention;

[0024] Figure 6 It is a schematic diagram of the connection structure of the adjustment mechanism of the A-pillar outer panel non-dead angle spraying mechanism of the present invention;

[0025] Figure 7 The present invention is a schematic diagram of the internal structure of a drying mechanism of a spraying machine for an A-pillar outer panel without dead angles.

[0026] In the figure: 1. roller conveyor; 2. painting mechanism; 21. annular cover; 22. sliding groove; 23. first gear; 24. first rotating rod; 25. fixed plate; 26. moving frame; 27. moving column; 28. connecting plate; 29. ​​sliding block; 210. visual inspection instrument; 211. driving motor; 212. belt assembly; 213. support plate; 214. compression spring; 3. drying mechanism; 31. protective cover; 32. installation Frame; 33, air supply fan; 34, heating wire; 35, delivery port; 36, ventilation duct; 37, first electric push rod; 38, moving plate; 4, adjustment mechanism; 41, spray gun; 42, second rotating rod; 43, second gear; 44, moving rack; 45, positioning frame; 46, positioning plate; 47, second electric push rod; 48, guide rod; 49, third electric push rod; 410, push frame; 411, sliding rail; 5, mounting plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example 1: Reference Figure 1 - Figure 7As shown: a dead angle-free spraying mechanism for an A-pillar outer panel, comprising a roller conveyor 1, a drying mechanism 3 is installed on one side of the roller conveyor 1, a mounting plate 5 is fixedly connected to one side of the roller conveyor 1, a spraying mechanism 2 is installed on one side of the mounting plate 5, the spraying mechanism 2 comprises an annular cover 21, two annular covers 21 are fixedly connected to one side of the mounting plate 5, a fixing plate 25 is fixedly connected to the inner side of one of the annular covers 21, a support plate 213 is fixedly connected to one side of the fixing plate 25, a first rotating rod 24 is rotatably connected to one side of the support plate 213, the outer sides of the two first rotating rods 24 are fixedly connected to the first gears 23, the two first gears 23 are meshed, one end of the first rotating rod 24 is fixedly connected to a moving column 27, one end of the moving column 27 is sleeved with a moving frame 26, one end of the moving frame 26 is rotatably connected to a connecting plate 28, one end of the connecting plate 28 is fixedly connected It is connected to a visual inspection instrument 210, and an adjustment mechanism 4 is installed at the other end of the connecting plate 28. The drying mechanism 3 is used to dry the surface of the A-pillar outer panel after spraying. The adjustment mechanism 4 is used to adjust the position and angle of spraying on the surface of the A-pillar outer panel, and the painting mechanism 2 is used to spray and detect the surface of the A-pillar outer panel without dead angles; the painting mechanism 2 also includes a belt assembly 212, in which one of the first rotating rods 24 is installed with a driving motor 211 through the belt assembly 212, and one side of the driving motor 211 is fixedly connected to one side of the fixed plate 25; a sliding groove 22 is opened on one side of the annular cover 21, and a sliding block 29 is slidably connected inside the sliding groove 22, and one end of the sliding block 29 is fixedly connected to one end of the connecting plate 28; a compression spring 214 is arranged inside the movable frame 26, and the two ends of the compression spring 214 are respectively abutted against one end of the movable column 27 and one end of the movable frame 26.

[0029] In this embodiment, the roller conveyor 1 is composed of a working motor, a chain, a sprocket and a conveying roller. The A-pillar outer panel is conveyed by the roller conveyor 1. The belt assembly 212 is composed of two pulleys and a transmission belt. The driving motor 211 drives the first rotating rod 24 connected thereto to rotate. The two first gears 23 are engaged with each other to drive the other first rotating rod 24 to rotate synchronously. The rotation of the two first rotating rods 24 drives the moving column 27 and the moving frame 26 to rotate in turn, and the connecting plate 28 moves accordingly. The sliding blocks 29 at both ends of the connecting plate 28 slide inside the sliding groove 22 to fix the movement path of the connecting plate 28. During the movement of the connecting plate 28, the moving column 27 slides inside the moving frame 26, and the compression spring 214 continuously extends or shortens. , to prevent interference with the movement of the connecting plate 28, the movement of the connecting plate 28 drives the adjustment mechanism 4 and the visual inspection instrument 210 to move, and the spray gun 41 sprays the surface of the A-pillar outer panel. After spraying, the A-pillar outer panel is conveyed to the direction of the visual inspection instrument 210 through the roller conveyor 1, and the visual inspection instrument 210 moves with the movement of the connecting plate 28. The visual inspection instrument 210 inspects the sprayed surface of the A-pillar outer panel. When it is identified that there is a spraying defect on the outer surface of the A-pillar outer panel, the roller conveyor 1 conveys in the reverse direction, and returns the defective part of the A-pillar outer panel to the position of the spray gun 41, and drives the spray gun 41 to move to the corresponding position to repaint the defective part, thereby facilitating the A-pillar outer panel to be sprayed without dead angles, improving the spraying effect of the A-pillar outer panel, and improving the spraying quality of the A-pillar outer panel.

[0030] Embodiment 2: Figure 3 , Figure 4 and Figure 6 As shown, the adjustment mechanism 4 includes a spray gun 41 and a positioning plate 46, one side of the positioning plate 46 is fixedly connected to one end of the connecting plate 28, the other side of the positioning plate 46 is fixedly connected to a second electric push rod 47, one end of the second electric push rod 47 is fixedly connected to a positioning frame 45, one side of the positioning frame 45 is fixedly connected to a guide rod 48, the outer side of the guide rod 48 is slidably connected to one side of the positioning plate 46; both sides of the spray gun 41 are fixedly connected to second rotating rods 42, one end of one of the second rotating rods 42 is fixedly connected to the positioning frame One side of the movable rack 44 is fixedly connected to a push frame 410, one side of the push frame 410 is slidably connected to a sliding rail 411, one side of the sliding rail 411 is fixedly connected to one side of the positioning frame 45, one side of the positioning frame 45 is fixedly connected to a third electric push rod 49, one end of the third electric push rod 49 is fixedly connected to the push frame 410.

[0031] In this embodiment, during the process of spraying the outer panel surface of the A-pillar by the spray gun 41, the positioning frame 45 is pushed to move by the second electric push rod 47, and the guide rod 48 slides on one side of the positioning plate 46, so that the fixed positioning frame 45 can make a linear motion, thereby driving the position of the spray gun 41 to move. The third electric push rod 49 drives the push frame 410 to move, and the push frame 410 slides inside the sliding rail 411, fixing the push frame 410 to make a linear motion. The movement of the push frame 410 drives the moving rack 44 to move, and the moving rack 44 is meshed with the second gear 43. The moving rack 44 makes a linear motion and drives the second gear 43 to rotate, which in turn drives the second rotating rod 42 and the spray gun 41 to rotate, thereby adjusting the rotation angle of the spray gun 41, so as to improve the accuracy of the spray gun 41 spraying the outer panel surface of the A-pillar and reduce spraying defects.

[0032] Embodiment 3: According to Figure 2 and Figure 7 As shown, the drying mechanism 3 includes a protective cover 31, which is fixedly connected to one side of the roller conveyor 1, a mounting frame 32 is fixedly connected to the top of the protective cover 31, a supply fan 33 is fixedly connected inside the mounting frame 32, and conveying ports 35 are opened on both sides of the protective cover 31; a heating wire 34 is fixedly connected inside the protective cover 31; a first electric push rod 37 is fixedly connected to both sides of the inside of the protective cover 31, a movable plate 38 is fixedly connected to one end of the first electric push rod 37, and a ventilation pipe 36 is fixedly connected to the middle of the movable plate 38.

[0033] In this embodiment, the painted A-pillar outer panel is moved to the drying mechanism 3 by the roller conveyor 1, and conveying ports 35 are opened on both sides of the protective cover 31 for delivering the A-pillar outer panel into and outside the protective cover 31. The air inside the protective cover 31 is heated by the operation of the heating wire 34. The supply fan 33 is composed of a working motor and fan blades. The supply fan 33 cooperates with the heating wire 34 to deliver hot air to the surface of the A-pillar outer panel through the ventilation pipe 36 to dry the paint on the surface of the A-pillar outer panel. The operation of the first electric push rod 37 can drive the height of the movable plate 38 and the ventilation pipe 36 to change, thereby adjusting the distance that the hot air blows to the surface of the A-pillar outer panel, controlling the drying speed, and accelerating the drying of the coating on the surface of the A-pillar outer panel, thereby achieving rapid drying of the A-pillar outer panel.

[0034] The use method and working principle of the device are as follows: the A-pillar outer panel is conveyed by the roller conveyor 1, the driving motor 211 drives the first rotating rod 24 connected thereto to rotate, the two first gears 23 are meshed, driving the other first rotating rod 24 to rotate synchronously, driving the moving column 27 and the moving frame 26 to rotate in turn, and the connecting plate 28 moves accordingly. During the movement of the connecting plate 28, the moving column 27 slides inside the moving frame 26, the compression spring 214 continuously extends or shortens, the movement of the connecting plate 28 drives the adjustment mechanism 4 and the visual inspection instrument 210 to move, the second electric push rod 47 works to push the positioning frame 45 to make a linear motion, driving the position of the spray gun 41 to move, and the third electric push rod 4 9 works to drive the push frame 410 to move, and the movement of the push frame 410 drives the moving rack 44 to move, the second gear 43 rotates, and the rotation angle of the spray gun 41 is adjusted. The spray gun 41 sprays the surface of the A-pillar outer panel, and the visual inspection instrument 210 detects the sprayed surface of the A-pillar outer panel. When it is identified that there is a spraying defect on the outer surface of the A-pillar outer panel, the roller conveyor 1 conveys in the reverse direction, and returns the defective part of the A-pillar outer panel to the position of the spray gun 41. The spray gun 41 repaints the defective part, and the air inside the protective cover 31 is heated by the operation of the heating wire 34. The supply fan 33 works in cooperation with the heating wire 34 to send hot air to the surface of the A-pillar outer panel through the ventilation pipe 36 to dry the paint on the surface of the A-pillar outer panel.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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 non-dead-angle spraying mechanism for an A-pillar outer panel, comprising a roller conveyor (1), Features: A drying mechanism (3) is installed on one side of the roller conveyor (1), a mounting plate (5) is fixedly connected to one side of the roller conveyor (1), a paint spraying mechanism (2) is installed on one side of the mounting plate (5), and the paint spraying mechanism (2) comprises an annular cover (21), two annular covers (21) are fixedly connected to one side of the mounting plate (5), a fixing plate (25) is fixedly connected to the inner side of one of the annular covers (21), a support plate (213) is fixedly connected to one side of the fixing plate (25), a first rotating rod (24) is rotatably connected to one side of the support plate (213), and the first gear (23) is fixedly connected to the outside of the two first rotating rods (24). , the two first gears (23) are meshed with each other, one end of the first rotating rod (24) is fixedly connected to a moving column (27), one end of the moving column (27) is sleeved with a moving frame (26), one end of the moving frame (26) is rotatably connected to a connecting plate (28), one end of the connecting plate (28) is fixedly connected to a visual inspection instrument (210), and the other end of the connecting plate (28) is installed with an adjustment mechanism (4), the drying mechanism (3) is used to dry the surface of the A-pillar outer panel after spraying, the adjustment mechanism (4) is used to adjust the position and angle of spraying on the surface of the A-pillar outer panel, and the painting mechanism (2) is used to spray and inspect the surface of the A-pillar outer panel without dead angles.

2. The A-pillar outer panel spraying mechanism without dead angle according to claim 1, Features: The paint spraying mechanism (2) further comprises a belt assembly (212), wherein one of the first rotating rods (24) is mounted with a driving motor (211) via the belt assembly (212), and one side of the driving motor (211) is fixedly connected to one side of a fixing plate (25).

3. The A-pillar outer panel spraying mechanism without dead angle according to claim 1, Features: A sliding groove (22) is provided on one side of the annular cover (21), a sliding block (29) is slidably connected inside the sliding groove (22), and one end of the sliding block (29) is fixedly connected to one end of the connecting plate (28).

4. The A-pillar outer panel spraying mechanism without dead angle according to claim 1, Features: A compression spring (214) is arranged inside the moving frame (26), and two ends of the compression spring (214) are respectively abutted against one end of the moving column (27) and one end of the moving frame (26).

5. The A-pillar outer panel spraying mechanism without dead angle according to claim 1, Features: The adjustment mechanism (4) comprises a spray gun (41) and a positioning plate (46), one side of the positioning plate (46) is fixedly connected to one end of the connecting plate (28), the other side of the positioning plate (46) is fixedly connected to a second electric push rod (47), one end of the second electric push rod (47) is fixedly connected to a positioning frame (45), one side of the positioning frame (45) is fixedly connected to a guide rod (48), and the outside of the guide rod (48) is slidably connected to one side of the positioning plate (46).

6. The A-pillar outer panel spraying mechanism without dead angles according to claim 5, Features: Both sides of the spray gun (41) are fixedly connected with second rotating rods (42), one end of one of the second rotating rods (42) is rotatably connected to one side of a positioning frame (45), and one end of the other second rotating rod (42) passes through the positioning frame (45) and is fixedly connected to a second gear (43), one side of the second gear (43) is meshed with a movable rack (44).

7. The A-pillar outer panel spraying mechanism without dead angles according to claim 6, Features: One side of the movable rack (44) is fixedly connected to a push frame (410), one side of the push frame (410) is slidably connected to a sliding rail (411), one side of the sliding rail (411) is fixedly connected to one side of a positioning frame (45), one side of the positioning frame (45) is fixedly connected to a third electric push rod (49), and one end of the third electric push rod (49) is fixedly connected to the push frame (410).

8. The A-pillar outer panel spraying mechanism without dead angles according to claim 1, Features: The drying mechanism (3) comprises a protective cover (31), the protective cover (31) is fixedly connected to one side of the roller conveyor (1), the top of the protective cover (31) is fixedly connected to a mounting frame (32), the interior of the mounting frame (32) is fixedly connected to a supply fan (33), and both sides of the protective cover (31) are provided with a supply port (35).

9. The A-pillar outer panel spraying mechanism without dead angles according to claim 8, Features: The interior of the protective cover (31) is fixedly connected with an electric heating wire (34).

10. The A-pillar outer panel spraying mechanism without dead angles according to claim 8, Features: The first electric push rod (37) is fixedly connected to both sides of the interior of the protective cover (31), one end of the first electric push rod (37) is fixedly connected to a moving plate (38), and the middle of the moving plate (38) is fixedly connected to a ventilation pipe (36).

Images