Vehicle unshielded spraying device

Abstract

The invention relates to a vehicle unshielded spraying device which comprises a bottom block, a spray head and a liquid inlet pipe, and the liquid inlet pipe is connected with the spray head; the device further comprises an adjusting mechanism, the adjusting mechanism comprises a first adjusting block, a second adjusting block, a third adjusting block, a fourth adjusting block, a first adjusting assembly, a second adjusting assembly, a third adjusting assembly and a fourth adjusting assembly, and the first adjusting block is rotationally arranged on the bottom block through the first adjusting assembly; the second adjusting block is arranged on the first adjusting block in a sliding mode through the second adjusting assembly. The third adjusting block is arranged on the second adjusting block in a sliding mode through the third adjusting assembly. The fourth adjusting block is arranged on the third adjusting block in a sliding mode through the fourth adjusting assembly. And the spray head is arranged on the fourth adjusting block. The spraying device has the effect of ensuring the spraying quality.

Description

Technical Field

[0001] The present application relates to the technical field of spraying equipment, and in particular to an unshielded spraying device for a vehicle. Background Art

[0002] The spraying of multi-color patterns on the vehicle body is an indispensable part in the field of automobile painting.

[0003] At present, a Chinese patent with authorization announcement number CN213967299U discloses a vehicle automated intelligent painting system, which includes one or more cantilevered five-axis linkage spraying structures, wherein the cantilevered five-axis linkage spraying structure includes at least: an X-axis assembly, a Y-axis assembly, a Z-axis assembly, a first rotation axis, and a second rotation axis; the nozzle assembly is arranged on one side of any rotation axis; the nozzle assembly is driven by the five-axis linkage to realize reciprocating motion and spraying along any specified direction in space.

[0004] When the vehicle is tilted relative to the X-axis assembly, the distance between the nozzle and different positions of the vehicle will be different. When the nozzle sprays paint at a position far away from the vehicle, it may cause excessive paint scattering, paint mist particles to run in the air for too long, and excessive volatilization of thinner, making the paint film surface rough, thus resulting in poor overall spraying effect. Summary of the invention

[0005] In order to ensure the quality of spraying, the present application provides a vehicle unshielded spraying device.

[0006] The present application provides a vehicle unshielded spraying device, which adopts the following technical solution: A shieldless spraying device for a vehicle comprises a base block, a spray head and a liquid inlet pipe, wherein the liquid inlet pipe is connected to the spray head; and an adjusting mechanism comprises a first adjusting block, a second adjusting block, a third adjusting block, a fourth adjusting block, a first adjusting assembly, a second adjusting assembly, a third adjusting assembly and a fourth adjusting assembly, wherein the first adjusting block is rotatably arranged on the base block through the first adjusting assembly; the second adjusting block is slidably arranged on the first adjusting block through the second adjusting assembly; the third adjusting block is slidably arranged on the second adjusting block through the third adjusting assembly; the fourth adjusting block is slidably arranged on the third adjusting block through the fourth adjusting assembly; and the spray head is arranged on the fourth adjusting block.

[0007] By adopting the above technical solution, the first adjusting component is started, and the first adjusting component drives the first adjusting block to rotate relative to the bottom block; the second adjusting component is started, and the second adjusting component drives the second adjusting block to move on the first adjusting block; the third adjusting component is started, and the third adjusting component drives the third adjusting block to move on the second adjusting block; the fourth adjusting component is started, and the fourth adjusting component drives the fourth adjusting block to move on the third adjusting block, so that the fourth adjusting block drives the nozzle to move, and the position of the nozzle changes; therefore, the set adjustment mechanism can adjust the position of the nozzle relative to the vehicle body, thereby ensuring the spraying quality.

[0008] Optionally, a protective mechanism is provided on the fourth adjusting block, and the protective mechanism includes a first protective block, a second protective block, a third protective block, a first rotating shaft, a second rotating shaft and a fifth adjusting component. Two first protective blocks are provided, and the two first protective blocks are respectively located at two ends of the fourth adjusting block; the first rotating shaft is rotatably set on the first protective block, and the second protective block is fixedly connected to the first rotating shaft; the second rotating shaft is rotatably set on the second protective block, and the third protective block is fixedly connected to the second rotating shaft; the first protective block, the second protective block and the third protective block form a protective cavity, and the nozzle is located in the protective cavity; the fifth adjusting component is set on the first protective block, and the first rotating shaft and the second rotating shaft are both connected to the fifth adjusting component.

[0009] By adopting the above technical solution, because the paint is contained in a paint bucket, when the paint bucket is replaced, the nozzle will spray out a section of air, and the sprayed paint will be more dispersed; in order to ensure the spraying quality, when the paint bucket is replaced, the fifth adjustment component is started, the fifth adjustment component drives the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft drives the second protective block to rotate, and the second rotating shaft drives the third protective block to rotate, so that the two first protective blocks, the second protective blocks of the two first protective blocks and the third protective block will form a protective cavity, and the nozzle is located in the protective cavity, so that when the paint bucket is replaced, the paint sprayed by the nozzle is sprayed in the protective cavity.

[0010] Optionally, the fifth adjustment component includes a fixed shaft, a first gear, a third rotating shaft, a second gear, a first bevel gear, a second bevel gear and a first drive component, the fixed shaft is fixedly set on the first protective block, and the first gear key is connected to the fixed shaft; the third rotating shaft is rotatably set on the second protective block, the second gear key is connected to the third rotating shaft and meshes with the first gear; the first bevel gear key is connected to the third rotating shaft; the second bevel gear key is connected to the second rotating shaft and meshes with the first bevel gear; the first drive component is set on the fourth adjustment block, and the first rotating shaft is connected to the first drive component.

[0011] By adopting the above technical solution, the first drive component is started, the first drive component drives the first rotating shaft to rotate, the first rotating shaft drives the second protective block to rotate, the second gear on the third rotating shaft in the second protective block will rotate relative to the first gear, the second gear drives the third rotating shaft to rotate, the first bevel gear on the third rotating shaft will drive the second bevel gear to rotate, the second bevel gear drives the second rotating shaft to rotate, so that the second rotating shaft drives the third protective block to rotate.

[0012] Optionally, the fourth adjustment block is provided with an adjustment mechanism, and the adjustment mechanism includes a first adjustment block, a second adjustment block and a first adjustment assembly, the first adjustment block is slidably set on the fourth adjustment block, and the nozzle is set on the fourth adjustment block; the second adjustment block is slidably set on the fourth adjustment block, and the first protective block is connected to the second adjustment block; the first adjustment assembly is set on the fourth adjustment block, and the first adjustment block and the second adjustment block are both connected to the first adjustment assembly.

[0013] By adopting the above technical solution, because the body of the vehicle has a certain curvature, in order to better make the nozzle and the position required for spraying on the vehicle are the same, the first adjustment component is started, and the first adjustment component drives the first adjustment block to move, so that the first adjustment block drives the nozzle to move; and when changing the paint, the moving first adjustment block will drive the second adjustment block to move, and the second adjustment block will drive the first protective block to move, and the moving first protective block will change the position of the protective cavity, so that there is a certain distance between the nozzle and the protective cavity, so that the distance between the nozzle and the second protective block can be almost the same as the distance when the nozzle sprays the vehicle, which can better reflect when the nozzle can apply the appropriate paint, and finally restore the nozzle to its normal position.

[0014] Optionally, the first adjustment component includes a first rack, a fourth rotating shaft, a third gear, a fourth gear, a second rack and a second drive component, the first rack is arranged on the first adjustment block; the fourth rotating shaft is rotatably arranged on the fourth adjustment block, the third gear key is connected to the fourth rotating shaft and meshes with the first rack; the fourth gear key is connected to the fourth rotating shaft; the second rack is arranged on the second adjustment block and meshes with the fourth gear; the second drive assembly is arranged on the fourth adjustment block and connected to the first adjustment block.

[0015] By adopting the above technical solution, the second drive assembly is started, the second drive assembly drives the first adjustment block to move, the first rack on the first adjustment block drives the third gear to rotate, the third gear drives the fourth shaft to rotate, the fourth gear on the fourth shaft drives the second rack to move, and the second rack will drive the second adjustment block to move.

[0016] Optionally, the first drive assembly includes a fifth gear, a sixth gear, a seventh gear, an eighth gear, a ninth gear and a third rack, the fifth gear key being connected to the first rotating shaft; the sixth gear being rotatably disposed on the first protective block and meshing with the fifth gear; the seventh gear being rotatably disposed on the first protective block and meshing with the sixth gear; the eighth gear being rotatably disposed on the first protective block and meshing with the seventh gear; the ninth gear being rotatably disposed on the first protective block and meshing with the eighth gear; and the third rack being disposed on the fourth adjusting block and meshing with the ninth gear.

[0017] By adopting the above technical solution, when the first protective block moves, the ninth gear will rotate relative to the fourth rack, the eighth gear meshing with the ninth gear will drive the seventh gear to rotate, the sixth gear meshing with the seventh gear will drive the fifth gear to rotate, and the fifth gear will drive the first rotating shaft to rotate.

[0018] Optionally, the second adjustment block includes a splicing block and a rotating assembly, a plurality of the splicing blocks are provided, and two adjacent splicing blocks are connected by the rotating assembly; a first slide groove is provided on the plurality of splicing blocks, the first slide grooves on the plurality of splicing blocks are connected, and the plurality of first slide grooves form an adjustment groove; the third adjustment assembly of the third adjustment block is slidably arranged with the adjustment groove; the splicing block at one end of the second adjustment block is connected to the first adjustment block through the second adjustment assembly.

[0019] By adopting the above technical solution, the third adjustment component is first started to adjust the position of the third adjustment block to the second adjustment block, that is, the position of the third adjustment block relative to the splicing block is determined; then the component is rotated, and the rotating component drives the splicing block to rotate, thereby changing the position of the third adjustment block relative to the vehicle, thereby adjusting the nozzle position.

[0020] Optionally, a first tensioning mechanism is provided on the third adjusting block, and the first tensioning mechanism includes a tensioning block, a tensioning block, a connecting ring and a second adjustment component, the tensioning block is slidably provided on the third adjusting block, and the tensioning ring is provided on the tensioning block; the connecting ring is provided on the third adjusting block; the second adjustment component is provided on the third adjusting block and connected to the tensioning block; the liquid inlet pipe passes through the connecting ring and the tensioning ring.

[0021] By adopting the above technical solution, when the fourth adjusting component drives the fourth adjusting block to move in the third adjusting block, the fourth adjusting block will drive the position of the nozzle to change; start the second adjusting component, the second adjusting component drives the tensioning block to move, and the tensioning ring on the tensioning block will drive the liquid inlet pipe to move, thereby tensioning the liquid inlet pipe, thereby reducing the phenomenon that the liquid inlet pipe affects the spraying of paint by the nozzle, thereby ensuring the spraying quality.

[0022] In summary, the present application includes at least one of the following beneficial technical effects: 1. The adjustment mechanism can adjust the position of the nozzle relative to the vehicle body to ensure the quality of spraying; 2. The first tensioning mechanism can reduce the phenomenon that the liquid inlet pipe affects the spraying of paint from the nozzle, thereby ensuring the spraying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the unshielded spraying device for a vehicle in an embodiment of the present application; Figure 2 This is a schematic diagram of the structure in which the nozzle is located in the protective cavity in the embodiment of the present application; Figure 3 This is a schematic diagram of the structure of the first adjustment component in the embodiment of the present application; Figure 4 This is a schematic diagram of the structure of the third adjustment component in the embodiment of the present application; Figure 5 This is a schematic diagram of the structure of the fourth adjustment component in the embodiment of the present application; Figure 6 This is a schematic diagram of the structure of the protection mechanism in the embodiment of the present application; Figure 7 This is a schematic diagram of the structure of the first driving component in the embodiment of the present application; Figure 8 Schematic diagram of the structure of the first bevel gear in the embodiment of the present application.

[0024] 1. bottom block; 2. nozzle; 3. liquid inlet pipe; 4. adjusting mechanism; 5. first adjusting block; 6. second adjusting block; 7. splicing block; 8. first slide slot; 9. fourth slide slot; 10. third slide slot; 11. rotating assembly; 12. third adjusting block; 13. first adjusting assembly; 14. first motor; 15. second motor; 16. third gear; 17. fourth rack; 18. first slider; 19. fourth adjusting assembly; 20. third motor; 21. third motor; 22. first screw rod; 23. third adjusting block; 24. first rotating shaft; 25. first adjusting assembly; 26. second adjusting assembly; 27. third adjusting assembly; 28. fourth motor; 29. ​​third motor; 30. third gear; 31. third gear; 32. fourth rack; 33. fourth gear; 34. first rotating shaft; 35. second rotating shaft; 4. fifth adjusting assembly; 41. fixed axle; 42, first gear; 43, third rotating shaft; 44, second gear; 45, first bevel gear; 46, second bevel gear; 47, first drive assembly; 471, fifth gear; 472, sixth gear; 473, seventh gear; 474, eighth gear; 475, ninth gear; 476, third rack; 51, first adjustment block; 52, second adjustment block; 6, first adjustment assembly; 61, first rack; 62, fourth rotating shaft; 63, third gear; 64, fourth gear; 65, second rack; 66, second drive assembly; 661, fourth motor; 662, eleventh gear; 7, first tensioning mechanism; 71, tensioning block; 72, tensioning ring; 73, connecting ring; 74, second adjustment assembly; 741, sixth motor; 742, second screw rod; 8, second tensioning mechanism; 81, fixed ring; 82, movable block; 83, limiting ring; 84, spring. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-8 This application is described in further detail.

[0026] The embodiment of the present application discloses a vehicle unshielded spraying device.

[0027] refer to Figure 1 and Figure 2 A vehicle unshielded spraying device comprises a bottom block 11, an adjusting mechanism 2 is arranged on the bottom block 11, a spray head 12 is arranged on the adjusting mechanism 2, and a liquid inlet pipe 13 is connected to the spray head 12.

[0028] refer to Figure 1 and Figure 3 The adjustment mechanism 2 includes a first adjustment component 25, which includes a first motor 251 fixedly connected to the bottom block 11, an adjustment shaft 252 is connected to the output shaft of the first motor 251, and the adjustment shaft 252 is fixedly connected to the first adjustment block 21.

[0029] The first motor 251 is started, and the output shaft of the first motor 251 drives the adjusting shaft 252 to rotate, and the adjusting shaft 252 drives the first adjusting block 21 to rotate.

[0030] refer to Figure 1 and Figure 3 , a second adjusting block 22 is slidably disposed on the first adjusting block 21 along its length direction, and the first adjusting block 21 is provided with a connection to the second adjusting block 22. The second adjusting block 22 includes a plurality of splicing blocks 221, and a rotating assembly 222 is disposed between two adjacent splicing blocks 221, and the rotating assembly 222 includes a rotating shaft, and the rotating shaft is fixedly connected to one of the splicing blocks 221 and is rotatably connected to another splicing block 221; a fifth motor is fixedly connected to one of the splicing blocks 221, and the output shaft of the fifth motor is connected to one end of the rotating shaft. The splicing block 221 at one end of the second adjusting block 22 is slidably connected to the first adjusting block 21 and is connected to the second adjusting assembly 26.

[0031] A first sliding groove 2211 is formed on each of the assembling blocks 221 , and the first sliding grooves 2211 on the plurality of assembling blocks 221 form an adjustment groove.

[0032] refer to Figure 1 and Figure 4 A third adjusting block 23 is arranged on the second adjusting block 22 formed by a plurality of splicing blocks 221, and a third adjusting assembly 27 is arranged on the third adjusting block 23. The third adjusting assembly 27 includes a first slider 274 in a sliding connection adjusting groove, and the third adjusting block 23 is fixedly connected to the first slider 274; a second motor 271 is fixedly connected to the first slider 274, and a tenth gear 272 is keyed to the output shaft of the second motor 271; a fourth rack 273 meshing with the tenth gear 272 is fixedly connected to the second adjusting block 22 formed by a plurality of splicing blocks 221.

[0033] The second motor 271 is started, and the output shaft of the second motor 271 drives the tenth gear 272 to rotate. Since the fourth rack 273 meshing with the tenth gear 272 is fixed, when the tenth gear 272 rotates, the first slider 274 will slide in the adjustment slot.

[0034] refer to Figure 1 and Figure 5The third adjusting block 23 is provided with a second slide groove 231, and the third adjusting block 23 is provided with a fourth adjusting block 24. The third adjusting block 23 is provided with a fourth adjusting assembly 28, and the fourth adjusting assembly 28 includes a second slider slidably connected in the second slide groove 231, and the fourth adjusting block 24 is fixedly connected to the second slider; a first screw rod 282 is rotatably connected in the second slide groove 231, and the first screw rod 282 passes through the second slider and is threadedly connected to the second slider; a third motor 281 is provided on the third adjusting block 23, and the output shaft of the third motor 281 is connected to one end of the first screw rod 282.

[0035] The third motor 281 is started, and the output shaft of the third motor 281 drives the first screw rod 282 to rotate, and the first screw rod 282 drives the second slider to slide in the second slide groove 231, and the second slider drives the fourth adjustment block 24 to move.

[0036] refer to Figure 5 and Figure 6 The fourth adjusting block 24 is provided with an adjusting mechanism, which includes a first adjusting block 51 slidably connected to the fourth adjusting block 24, and the nozzle 12 is fixed on the first adjusting block 51; the fourth adjusting block 24 is provided with a second adjusting block 52. The fourth connecting block is provided with a first adjusting assembly 6 connected to the first adjusting block 51 and the second adjusting block 52, and the first adjusting assembly 6 includes a first rack 61 fixedly connected to the first adjusting block 51; the fourth adjusting block 24 is provided with a second driving assembly 66, and the second driving assembly 66 includes a fourth motor 661 fixedly connected to the fourth adjusting block 24, and the output shaft of the fourth motor 661 is keyed to an eleventh gear 662 meshing with the first rack 61. The fourth adjusting block 24 is rotatably connected with a fourth rotating shaft 62, and the fourth rotating shaft 62 is keyed to a third gear 63 meshing with the first rack 61; the fourth rotating shaft 62 is keyed to a fourth gear 64 at one end away from the third gear 63, and the second adjusting block 52 is fixedly connected to a second rack 65 meshing with the fourth gear 64.

[0037] Start the fourth motor 661, the output shaft of the fourth motor 661 drives the eleventh gear 662 to rotate, the eleventh gear 662 drives the first rack 61 to move, the first rack 61 and the fourth adjusting block 24 move, the fourth adjusting block 24 adjusts the position of the nozzle 12; the first rack 61 will drive the third gear 63 to rotate when it moves, the third gear 63 drives the fourth shaft 62 to rotate, the fourth shaft 62 drives the fourth gear 64 to rotate, the fourth gear 64 will drive the second rack 65 to move, the second rack 65 drives the second adjusting block 52 to move.

[0038] refer to Figure 5 , Figure 6 and Figure 7A protective mechanism 3 is provided on the fourth adjusting block 24, and the protective mechanism 3 includes two first protective blocks 31, which are respectively located on two opposite side walls of the fourth adjusting block 24, and the two first protective blocks 31 are respectively fixedly connected to the two ends of the second adjusting block 22; each first protective block 31 is rotatably connected to a first rotating shaft 34, the first rotating shaft 34 is fixedly connected to a second protective block 32, the second protective block 32 is rotatably connected to a second rotating shaft 35, and the second rotating shaft 35 is fixedly connected to a third protective block 33.

[0039] refer to Figure 1 and Figure 2 The two first protection blocks 31 , the two second protection blocks 32 and the two third protection blocks 33 can form a protection cavity, and the nozzle 12 can be located in the protection cavity.

[0040] refer to Figure 7 and Figure 8 A fifth adjusting component 4 is arranged on the first protective block 31, and the fifth adjusting component 4 includes a first driving component 47, and the first driving component 47 includes a third rack 476 fixedly connected to the fourth adjusting block 24; a ninth gear 475 is rotatably connected to the first protective block 31 and meshed with the third rack 476; an eighth gear 474 is rotatably connected to the first protective block 31 and meshed with the ninth gear 475; a seventh gear 473 is rotatably connected to the first protective block 31 and meshed with the eighth gear 474; a sixth gear 472 is rotatably connected to the first protective block 31 and meshed with the seventh gear 473; and a fifth gear 471 is key-connected to the first rotating shaft 34 and meshed with the sixth gear 472.

[0041] When the second adjustment block 52 drives the first protective block 31 to move, the ninth gear 475 on the first protective block 31 will move relative to the third rack 476 and rotate relative to it, the ninth gear 475 drives the eighth gear 474 to rotate, the eighth gear 474 drives the seventh gear 473 to rotate, the seventh gear 473 drives the sixth gear 472 to rotate, the sixth gear 472 drives the fifth gear 471 to rotate, the fifth gear 471 drives the first rotating shaft 34 to rotate, and the first rotating shaft 34 will drive the second protective block 32 to rotate.

[0042] refer to Figure 7 and Figure 8 A fixed shaft 41 is fixedly connected to the first protective block 31, and a first gear 42 is keyed to the fixed shaft 41; a third rotating shaft 43 is rotatably connected to the second protective block 32, and a second gear 44 meshing with the first gear 42 is keyed to the third rotating shaft 43; a first bevel gear 45 is keyed to one end of the third rotating shaft 43 close to the third protective block 33, and a second bevel gear 46 meshing with the first bevel gear 45 is keyed to the second rotating shaft 35.

[0043] When the second rotating shaft 35 drives the second protective block 32 to rotate, the second gear 44 on the third rotating shaft 43 on the second protective block 32 will rotate relative to the first gear 42, and the second gear 44 will drive the third rotating shaft 43 to rotate. The first bevel gear 45 on the third rotating shaft 43 drives the second bevel gear 46 to rotate, and the second bevel gear 46 will drive the second rotating shaft 35 to rotate, and the second rotating shaft 35 drives the third protective block 33 to rotate.

[0044] refer to Figure 1 and Figure 3 Each splicing block 221 is provided with a second tensioning mechanism 8, which includes a fixed ring 81 fixedly connected to the splicing block 221; a fourth slide groove 2212 is provided on the splicing block 221, a movable block 82 is slidably connected in the fourth slide groove 2212, and a limiting ring 83 is fixedly connected to the movable block 82; a spring 84 is provided in the fourth slide groove 2212, one end of the spring 84 is connected to the movable block 82 and the other end is connected to the splicing block 221. The fixing ring 81 and the limiting ring 83 are both fixedly connected to the liquid inlet pipe 13.

[0045] When the splicing block 221 needs to rotate a certain angle, the liquid inlet pipe 13 drives the limiting ring 83 to move, the limiting ring 83 drives the movable block 82 to move, and the movable block 82 causes the spring 84 to deform to a certain extent.

[0046] refer to Figure 1 and Figure 5 The third adjusting block 23 is provided with a third chute 232, and the third adjusting block 23 is provided with a first tensioning mechanism 7, which includes a tensioning block 71 slidably connected in the third chute 232, and a tensioning ring 72 is fixedly connected to the tensioning block 71; a connecting ring 73 is fixedly connected to the third adjusting block 23, and the liquid inlet pipe 13 passes through the connecting ring 73 and the tensioning ring 72. The third adjusting block 23 is provided with a second adjusting assembly 74, and the second adjusting assembly 74 includes a second screw rod 742 rotatably connected in the third chute 232, and the second screw rod 742 passes through the tensioning block 71 and is threadedly connected to the tensioning block 71; the third adjusting block 23 is fixedly connected with a sixth motor 741, and the output shaft of the sixth motor 741 is connected to one end of the second screw rod 742.

[0047] When the fourth adjusting block 24 moves relative to the third adjusting block 23, the sixth motor 741 is started, and the output shaft of the sixth motor 741 drives the second screw rod 742 to rotate, and the second screw rod 742 drives the tensioning block 71 to slide in the third slide groove 232, and the tensioning ring 72 on the tensioning block 71 will tension the liquid inlet pipe 13.

[0048] The implementation principle of an unshielded vehicle spraying device according to an embodiment of the present application is as follows: start the first motor 251 to rotate the first adjusting block 21 relative to the bottom block 11; start the second adjusting assembly 26 to move the second adjusting block 22 relative to the first adjusting block 21; start the second motor 271 to slide the third adjusting block 23 in the adjusting groove of the second adjusting block 22; start the third motor 281, and the second slider on the fourth adjusting block 24 slides in the second sliding groove 231 of the third adjusting block 23, thereby changing the position of the nozzle 12 relative to the vehicle, so that the nozzle 12 can better spray the vehicle; when the fifth motor is started to cause the two adjacent splicing blocks 221 to rotate relative to each other, the position of the nozzle 12 relative to the vehicle can also be changed, so that the nozzle 12 can better spray the vehicle.

[0049] When the paint bucket filled with paint needs to be replaced, the fourth motor 661 is started, so that the first adjustment block 51 drives the nozzle 12 to move, the first rack 61 on the first adjustment block 51 drives the third gear 63 to rotate, and the third rotating shaft 43 will rotate with the third gear 63, the fourth gear 64 on the third rotating shaft 43 drives the second rack 65 to move, the second rack 65 drives the second adjustment block 52 to move, and the second adjustment block 52 drives the two first protective blocks 31 to move.

[0050] When the first protection block 31 moves, the ninth gear 475 on the first protection will rotate relative to the third rack 476, the eighth gear 474 meshing with the ninth gear 475 drives the seventh gear 473 to rotate, the sixth gear 472 meshing with the seventh gear 473 drives the fifth gear 471 to rotate, the fifth gear 471 drives the first rotating shaft 34 to rotate, and the first rotating shaft 34 drives the second protection block 32 to rotate; when the second protection block 32 rotates, the second gear 44 on the second protection block 32 rotates relative to the first gear 42, the second gear 44 drives the third rotating shaft 43 to rotate, the first bevel gear 45 on the third rotating shaft 43 drives the second bevel gear 46 to rotate, the second bevel gear 46 drives the third rotating shaft 43 to rotate, and the third rotating shaft 43 drives the third protection block 33 to rotate. The two first protection blocks 31, the two second protection blocks 32 and the two third protection blocks 33 can form a protection cavity, and the nozzle 12 can be located in the protection cavity.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A vehicle unshielded spraying device, comprising a base block (11), a spray head (12) and a liquid inlet pipe (13), wherein the liquid inlet pipe (13) is connected to the spray head (12); characterized in that: The device further comprises an adjusting mechanism (2), wherein the adjusting mechanism (2) comprises a first adjusting block (21), a second adjusting block (22), a third adjusting block (23), a fourth adjusting block (24), a first adjusting component (25), a second adjusting component (26), a third adjusting component (27) and a fourth adjusting component (28), The first adjustment block (21) is rotatably arranged on the bottom block (11) via the first adjustment assembly (25); The second adjustment block (22) is slidably arranged on the first adjustment block (21) via the second adjustment component (26); The third adjustment block (23) is slidably arranged on the second adjustment block (22) via the third adjustment component (27); The fourth adjustment block (24) is slidably arranged on the third adjustment block (23) via the fourth adjustment component (28); The nozzle (12) is arranged on the fourth adjustment block (24).

2. A vehicle unshielded spraying device according to claim 1, characterized in that: The fourth adjustment block (24) is provided with a protection mechanism (3), the protection mechanism (3) comprising a first protection block (31), a second protection block (32), a third protection block (33), a first rotating shaft (34), a second rotating shaft (35) and a fifth adjustment component (4). Two first protection blocks (31) are provided, and the two first protection blocks (31) are respectively located at two ends of the fourth adjustment block (24); The first rotating shaft (34) is rotatably disposed on the first protective block (31), and the second protective block (32) is fixedly connected to the first rotating shaft (34); The second rotating shaft (35) is rotatably disposed on the second protective block (32), and the third protective block (33) is fixedly connected to the second rotating shaft (35); The first protection block (31), the second protection block (32), and the third protection block (33) form a protection cavity, and the nozzle (12) is located in the protection cavity; The fifth adjustment component (4) is arranged on the first protection block (31), and the first rotating shaft (34) and the second rotating shaft (35) are both connected to the fifth adjustment component (4).

3. The vehicle unshielded spraying device according to claim 2, characterized in that: The fifth adjustment assembly (4) comprises a fixed shaft (41), a first gear (42), a third rotating shaft (43), a second gear (44), a first bevel gear (45), a second bevel gear (46) and a first driving assembly (47). The fixed shaft (41) is fixedly arranged on the first protection block (31), and the first gear (42) is key-connected to the fixed shaft (41); The third rotating shaft (43) is rotatably disposed on the second protection block (32); the second gear (44) is key-connected to the third rotating shaft (43) and meshes with the first gear (42); The first bevel gear (45) is key-connected to the third rotating shaft (43); The second bevel gear (46) is key-connected to the second rotating shaft (35) and meshes with the first bevel gear (45); The first drive assembly (47) is arranged on the fourth adjustment block (24), and the first rotating shaft (34) is connected to the first drive assembly (47).

4. The vehicle unshielded spraying device according to claim 3, characterized in that: The fourth adjustment block (24) is provided with an adjustment mechanism, wherein the adjustment mechanism comprises a first adjustment block (51), a second adjustment block (52) and a first adjustment component (6). The first adjustment block (51) is slidably arranged on the fourth adjustment block (24), and the nozzle (12) is arranged on the fourth adjustment block (24); The second adjustment block (52) is slidably arranged on the fourth adjustment block (24), and the first protection block (31) is connected to the second adjustment block (52); The first adjustment component (6) is arranged on the fourth adjustment block (24), and the first adjustment block (51) and the second adjustment block (52) are both connected to the first adjustment component (6).

5. The vehicle unshielded spraying device according to claim 4, characterized in that: The first adjustment assembly (6) comprises a first rack (61), a fourth rotating shaft (62), a third gear (63), a fourth gear (64), a second rack (65) and a second driving assembly (66). The first rack (61) is arranged on the first adjustment block (51); The fourth rotating shaft (62) is rotatably disposed on the fourth adjusting block (24); the third gear (63) is key-connected to the fourth rotating shaft (62) and meshes with the first rack (61); The fourth gear (64) is key-connected to the fourth rotating shaft (62); The second rack (65) is arranged on the second adjustment block (52) and meshes with the fourth gear (64); The second drive assembly (66) is arranged on the fourth adjustment block (24) and is connected to the first adjustment block (51).

6. The vehicle unshielded spraying device according to claim 4, characterized in that: The first driving assembly (47) comprises a fifth gear (471), a sixth gear (472), a seventh gear (473), an eighth gear (474), a ninth gear (475) and a third rack (476). The fifth gear (471) is key-connected to the first rotating shaft (34); The sixth gear (472) is rotatably disposed on the first protection block (31) and meshes with the fifth gear (471); The seventh gear (473) is rotatably disposed on the first protection block (31) and meshes with the sixth gear (472); The eighth gear (474) is rotatably disposed on the first protection block (31) and meshes with the seventh gear (473); The ninth gear (475) is rotatably disposed on the first protection block (31) and meshes with the eighth gear (474); The third rack (476) is arranged on the fourth adjustment block (24) and meshes with the ninth gear (475).

7. The vehicle unshielded spraying device according to claim 1, characterized in that: The second adjustment block (22) comprises a splicing block (221) and a rotating assembly (222). A plurality of the splicing blocks (221) are provided, and two adjacent splicing blocks (221) are connected via the rotating assembly (222); A first slide groove (2211) is provided on each of the plurality of splicing blocks (221); the first slide grooves (2211) on the plurality of splicing blocks (221) are connected and the plurality of first slide grooves (2211) form an adjustment groove; the third adjustment assembly (27) of the third adjustment block (23) is slidably arranged with the adjustment groove; The splicing block (221) at one end of the second adjustment block (22) is connected to the first adjustment block (21) via the second adjustment component (26).

8. The vehicle unshielded spraying device according to claim 1, characterized in that: The third adjustment block (23) is provided with a first tensioning mechanism (7), the first tensioning mechanism (7) comprising a tensioning block (71), a tensioning ring (72), a connecting ring (73) and a second adjustment component (74). The tension block (71) is slidably arranged on the third adjustment block (23), and the tension ring (72) is arranged on the tension block (71); The connecting ring (73) is arranged on the third adjusting block (23); The second adjustment assembly (74) is arranged on the third adjustment block (23) and connected to the tensioning block (71); The liquid inlet pipe (13) passes through the connecting ring (73) and the tensioning ring (72).

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