Flexible multi-channel wheel-specific conveying system

Abstract

A flexible multi-channel wheel-specific conveying system, comprising a body. A first pretreatment production line, a base powder spraying production line, a primer coat spraying production line, a gloss powder spraying production line and a base coat spraying production line are arranged on the body; and a multi-channel conveying mechanism is arranged on the body. By means of the arrangement of the multi-channel conveying mechanism among the first pretreatment production line, the base powder spraying production line, the primer coat spraying production line, the gloss powder spraying production line and the base coat spraying production line, and the cooperative transfer by a plurality of robots, workpieces to be machined randomly enter different processes.

Description

A flexible multi-channel wheel-specific conveying system Technical Field

[0001] The invention relates to the field of wheel processing, and in particular to a flexible multi-channel special conveying system for wheels. Background Art

[0002] In the traditional processing technology of aluminum alloy wheels, the current common production process of automobile wheels is to go through pre-treatment, spraying primer, primer and color paint processes in sequence; Patent No. CN202111657305.6 discloses an automatic spraying device for automobile production line wheel hubs, including a wheel hub hanging assembly, a positioning switch assembly and a wheel hub base structure. The wheel hub hanging assembly, the positioning switch assembly and the wheel hub base structure cooperate to realize automatic loading of the wheel hub body, and the wheel hub body can be sprayed, air-dried and unloaded in sequence under the drive of the drive transmission assembly. The existing technology can only realize spraying and air-drying of the wheel hub that needs to be processed in sequence. As the market aesthetic and visual requirements become higher and higher, the surface treatment of aluminum alloy wheels has also developed rapidly. In some high-end models, a series of processes such as two-color, three-color paint, matte varnish, and glitter will be added. Some also require two or three repetitive spraying technical problems. Technical issues

[0003] In this technology, the length of the production line is often increased to meet various process requirements, which greatly increases the production cost of the manufacturer and the production time for adjusting the equipment. Technical Solutions

[0004] The purpose of the present invention is to address the defects and shortcomings of the existing technology and provide a flexible multi-channel wheel-specific conveying system with a compact structure and improved production efficiency.

[0005] In view of the above problems, the present invention adopts the following technical solutions:

[0006] A flexible multi-channel wheel-specific conveying system includes a main body, on which a first pre-treatment production line, a base powder spraying production line, a primer spraying production line, a glitter spraying production line and a color paint spraying production line are provided, and a multi-channel conveying mechanism is provided on the main body, wherein the first pre-treatment production line, the base powder spraying production line, the primer spraying production line, the glitter spraying production line and the color paint spraying production line are all connected to the multi-channel conveying mechanism through pipes, and the multi-channel conveying mechanism is provided with a plurality of robots, which grab the workpiece processed by the first pre-treatment production line or the base powder spraying production line or the primer spraying production line or the glitter spraying production line or the color paint spraying production line onto the multi-channel conveying mechanism, and process the workpiece in the first pre-treatment production line or the base powder spraying production line or the primer spraying production line or the glitter spraying production line or the color paint spraying production line at least once through the multi-channel conveying mechanism, and the multi-channel conveying mechanism includes: a first lane, a second lane , the third lane, the fourth lane and the fifth straight lane, the first lane is provided with a first lane one port, a first lane two port, a first lane three port, a first lane four port, a first lane five port and a first lane six port, the second lane includes a second lane one port, a second lane two port, a second lane three port and a second lane four port, the third lane includes a third lane one port and a third lane two port, the fourth lane includes a fourth lane one port, a fourth lane two port and a fourth lane three port, the fifth straight lane includes a fifth straight lane one port and a fifth straight lane two port, the second lane three port is connected with the first lane five port so that the workpiece of the second lane three port moves toward the first lane six port, the third lane two port is connected with the first lane five port through a commutator so that the workpiece of the third lane one port moves toward the first lane five port, the third lane one port is connected with the first lane three port, the second lane two port is connected with the first lane four port, and a transfer station is provided on the first lane four port.

[0007] Preferably, the multi-channel conveying mechanism includes: a first lane, a second lane, a third lane, a fourth lane and a fifth straight lane, the first lane is provided with a first lane one opening, a first lane two openings, a first lane three openings, a first lane four openings, a first lane five openings and a first lane six openings, the second lane includes a second lane one opening, a second lane two openings, a second lane three openings and a second lane four openings, the third lane includes a third lane one opening and a third lane two openings, the fourth lane includes a fourth lane one opening, a fourth lane two openings and a fourth lane three openings, the fifth straight lane includes a fifth straight lane one opening and a fifth straight lane two openings.

[0008] Preferably, a commutator is provided on the first lane, and the commutator transports the workpieces to the six openings of the first lane or the two openings of the first lane respectively; a commutator is provided on the second lane, and the commutator transports the workpieces to the two openings of the second lane or the three openings of the second lane respectively; a commutator is also provided between the two openings of the second lane and the four openings of the second lane.

[0009] Preferably, the base powder spraying production line is provided with a base powder spraying line and a first drying conveyor line, and a fourth robot is provided between the base powder spraying line and the first drying conveyor line. The third robot can grab the workpiece from the unloading line to the base powder spraying line, and the fourth robot grabs the workpiece from the base powder spraying line to the first drying conveyor line. A lifter is provided between the first drying conveyor line and the second lane, and the lifter can lift the dried workpiece from the first drying conveyor line and the workpiece enters the second lane from the second lane. The second robot can grab the dried workpiece from the first drying conveyor line to the primer spraying production line.

[0010] Preferably, the primer spraying production line includes a first buffer line, a primer spraying line and a second drying conveyor line. The first buffer line, the primer spraying line and the second drying conveyor line are connected in sequence and end to end. A lifter is provided between the second drying conveyor line and the first branch lane. The lifter can lift the workpiece dried by the second drying conveyor line from the second drying conveyor line and allow the workpiece to enter the first branch lane from the first branch lane. The second robot can grab the workpiece dried by the first drying conveyor line from the first drying conveyor line to the first buffer line. The third robot can grab the workpiece dried by the second drying conveyor line from the first buffer line to the primer spraying line.

[0011] Preferably, the glitter spraying production line includes a glitter spraying line and a third drying conveyor line, a seventh robot is provided between the second outlet of the first branch lane and the glitter spraying line, a fifth robot and a sixth robot are provided between the glitter spraying line and the third drying conveyor line, the seventh robot grabs the workpiece moving to the second outlet of the first branch lane to the glitter spraying line, the fifth robot grabs the workpiece from the glitter spraying line to the third drying conveyor line, and the sixth robot grabs the workpiece dried by the third drying conveyor line to the paint spraying production line.

[0012] Preferably, the paint spraying production line includes a second buffer line, a paint spraying line and a fourth drying conveyor line. The second buffer line, the paint spraying line and the fourth drying conveyor line are connected in sequence and connected head to tail. The sixth robot grabs the workpiece dried by the third drying conveyor line onto the second buffer line. A lifter is provided between the first lane five openings and the fourth drying conveyor line. The lifter can lift the workpiece dried by the fourth drying conveyor line away from the fourth drying conveyor line and allow the workpiece to enter the first lane from the first lane five openings.

[0013] Preferably, it also includes a second pre-treatment production line, which includes a secondary pre-treatment line and a second spray system. The secondary pre-treatment line includes a third buffer line and a cleaning main line. The second spray system is arranged on the cleaning main line. The seventh robot can grab the workpiece moving to the second port of the first lane and place it on the third buffer line. An eighth robot is arranged between the paint spraying line and the fourth port of the second lane. The eighth robot can grab the workpiece moving to the fourth port of the second lane and place it on the paint spraying line or grab the workpiece moving to the fourth port of the second lane and place it on the third buffer line.

[0014] Preferably, the three openings of the second lane are connected with the five openings of the first lane so that the workpiece at the three openings of the second lane moves toward the six openings of the first lane, the two openings of the third lane are connected with the five openings of the first lane so that the workpiece at the five openings of the first lane moves toward the one opening of the third lane, the one opening of the third lane is connected with the three openings of the first lane, the two openings of the second lane are connected with the four openings of the first lane, and a transfer station is provided on the four openings of the first lane.

[0015] Preferably, the diverter includes a lifting frame and several pulley belts arranged on the lifting frame, and multiple rollers are provided on the first branch or the second branch directly above the diverter. The pulley belts extend from the gaps between the rollers, and the pulley belts are perpendicular to the movement direction of the rollers. Beneficial effects

[0016] The flexible multi-channel wheel-specific conveying system of the present invention sets a multi-channel conveying mechanism between a first pre-treatment production line, a base powder spraying production line, a primer spraying production line, a glitter spraying production line and a color paint spraying production line, and cooperates in transfer through multiple robots, so that the workpieces to be processed can enter different processes at will or enter the same process for processing multiple times. Since the first pre-treatment production line, the base powder spraying production line, the primer spraying production line, the glitter spraying production line and the color paint spraying production line are arranged around the multi-channel conveying mechanism, the length of the production line is greatly shortened, and there is no need to adjust the entire production line due to different processes, which reduces the adjustment time, improves work efficiency and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG1 is a schematic diagram of the present invention;

[0018] Figure 2 is a schematic diagram of a base powder spraying production line;

[0019] Figure 3 is an exploded view of the base powder spraying production line;

[0020] FIG4 is a schematic diagram of a primer spraying production line;

[0021] Figure 5 is an exploded view of the primer spraying production line;

[0022] FIG6 is a schematic diagram of a glitter spraying production line;

[0023] Figure 7 is an exploded view of the glitter spraying production line;

[0024] FIG8 is a schematic diagram of a paint spraying production line;

[0025] FIG9 is an exploded view of a paint spraying production line;

[0026] Figure 10 is a schematic diagram of the first pre-treatment production line;

[0027] Figure 11 is an exploded view of the second pre-treatment production line;

[0028] FIG12 is a schematic diagram of a multi-channel conveying mechanism;

[0029] Figure 13 is a schematic diagram of the first lane;

[0030] Figure 14 is a schematic diagram of the second lane;

[0031] FIG15 is a schematic diagram of the third lane and the fourth lane;

[0032] Main body 100; first pre-treatment production line 400; base powder spraying production line 500; primer spraying production line 600; glitter spraying production line 700; color paint spraying production line 800; multi-channel conveying mechanism 300; workpiece 999; first lane 310; second lane 320; third lane 330; fourth lane 340; fifth straight lane 350; first lane one opening 311; first lane two openings 312; first lane three openings 313; first lane four openings 314; first lane five openings 315; first lane six openings 316; second lane one opening 321; second lane two openings 322; second lane three openings 323; second lane four openings 324; third lane one opening 331; third lane two openings 332; fourth lane one opening 341; fourth lane two openings 34 2; third opening 343 of the fourth branch lane; first opening 351 of the fifth straight lane; second opening 352 of the fifth straight lane; spraying system 410; loading line 420; main feeding line 430; unloading line 440; first robot 91; second robot 92; and third robot 93; base powder spraying line 510; first drying conveyor line 520; fourth robot 94; lifter 88; first buffer line 610; primer spraying line 620; second drying conveyor line 630; glitter spraying line 710; third drying conveyor line 720; seventh robot 97; fifth robot 95; sixth robot 96; second buffer line 810; color paint spraying line 820; fourth drying conveyor line 830; second spraying system 450; third buffer line 461; main cleaning line 462; eighth robot 98. Best Mode for Carrying Out the Invention

[0033] Please refer to Figures 1-6, which disclose a preferred embodiment of a flexible multi-channel wheel-specific conveying system:

[0034] A flexible multi-channel wheel-specific conveying system includes a body 100, on which a first pre-treatment production line 400, a base powder spraying production line 500, a primer spraying production line 600, a glitter spraying production line 700, and a color paint spraying production line 800 are provided. The body 100 is provided with a multi-channel conveying mechanism 300, and the pre-treatment production line, the base powder spraying production line 500, the primer spraying production line 600, the glitter spraying production line 700, and the color paint spraying production line 800 are all connected to the multi-channel conveying mechanism 300. The conveying mechanism 300 is provided with a number of conversion robotic arms, which grab the workpiece 999 processed in the pre-treatment production line or the base powder spraying production line 500 or the primer spraying production line 600 or the glitter spraying production line 700 or the color paint spraying production line 800 and place it on the multi-channel conveying mechanism 300, and send the workpiece 999 to the pre-treatment production line or the base powder spraying production line 500 or the primer spraying production line 600 or the glitter spraying production line 700 or the color paint spraying production line 800 for processing at least once through the multi-channel conveying mechanism 300.

[0035] Specifically, the multi-channel conveying mechanism 300 includes: a first lane 310, a second lane 320, a third lane 330, a fourth lane 340 and a fifth straight lane 350. The first lane 310 is provided with a first lane opening 311, a first lane opening 312, a first lane opening 313, a first lane opening 314, a first lane opening 315 and a first lane opening 316. The second lane 320 includes a second lane opening 321, a second lane opening 322, a second lane opening 323 and a second lane opening 324. The third lane 330 includes a third lane opening 331 and a third lane opening 332. The fourth lane 340 includes a fourth lane opening 341, a fourth lane opening 342 and a fourth lane opening 343. The fifth straight lane 350 includes a fifth straight lane opening 351 and a fifth straight lane opening 352.

[0036] The third channel opening 323 is connected to the fifth channel opening 315 of the first channel, so that the workpiece 999 at the third channel opening 323 moves toward the sixth channel opening 316 of the first channel. The second channel opening 332 is connected to the fifth channel opening 315 of the first channel through the commutator 555, so that the workpiece 999 at the first channel opening 331 moves toward the fifth channel opening 315 of the first channel. The first channel opening 331 is connected to the third channel opening 313. The second channel opening 322 is connected to the fourth channel opening 314 of the first channel, and a transfer station 777 is provided on the fourth channel opening 314 of the first channel.

[0037] In this embodiment, the diverter 555 includes a lifting frame and several pulley belts 333 arranged on the lifting frame. A plurality of rollers 444 are provided on the first lane 310 or the second lane 320 located directly above the diverter 555. The pulley belts 333 extend from the gaps between the rollers, and the pulley belts 333 are perpendicular to the movement direction of the rollers.

[0038] Specifically, the first pre-treatment production line 400 includes a pre-treatment conveyor line and a spraying system 410, the pre-treatment conveyor line includes a loading line 420, a feeding main line 430 and a unloading line 440, the loading line 420, the feeding main line 430 and the unloading line 440 are integrated structures and connected end to end, the spraying system 410 is arranged on the feeding main line 430, the loading line 420 is arranged on the material area side, and a first robot 91 is provided between the material area and the loading line 420, the first robot 91 automatically grabs the workpiece 999 in the material area to the loading line 420, the unloading line 440 is arranged between the base powder spraying production line 500 and the second branch 320, and a second robot 92 and a third robot 93 are provided between the base powder spraying production line 500 and the unloading line 440.

[0039] During operation, the first pre-processing production line 400 rotates clockwise, and the first robot 91 grabs the workpiece 999 in the material area and places it on the loading line 420. The workpiece 999 is first cleaned by the spraying system 410. A drying channel is provided between the feeding main line 430 and the unloading line 440. The workpiece cleaned by the spraying system 410 enters the drying channel for drying and is then transported to the unloading line 440. A second robot 92 and a third robot 93 are provided on the left side of the unloading line 440 from top to bottom. When the workpiece

[0040] When moving to the third robot 93 , the third robot 93 will pick up the workpiece 999 and then place it on the bottom powder spraying production line 500 .

[0041] More specifically, the base powder spraying production line 500 is provided with a base powder spraying line 510 and a first drying conveyor line 520, and a fourth robot 94 is provided between the base powder spraying line 510 and the first drying conveyor line 520. The third robot 93 can grab the workpiece 999 from the unloading line 440 to the base powder spraying line 510, and the fourth robot 94 grabs the workpiece 999 from the base powder spraying line 510 to the first drying conveyor line 520. A lifter 88 is provided between the first drying conveyor line 520 and the second lane opening 321. The lifter 88 can lift the dried workpiece 999 from the first drying conveyor line 520 to the second lane 320 from the second lane opening 321, and the second robot 92 can grab the dried workpiece 999 from the first drying conveyor line 520 to the primer spraying production line 600.

[0042] During operation, after the workpiece 999 is dried by the first drying conveyor line 520, if the process requires a second base powder spraying, the second robot 92 and the third robot 93 do not perform any action, and the workpiece 999 enters the base powder spraying line 510 and the first drying conveyor line 520 for the second time for secondary processing; if the process needs to enter the primer process, after the workpiece 999 is dried by the first drying conveyor line 520 for the first time, the second robot 92 grabs the dried workpiece 999 from the first drying conveyor line 520 to the primer spraying production line 600; if the process does not need to enter the primer process, when the workpiece 999 moves to the lifter 88 between the first drying conveyor line 520 and the second branch channel 321, the lifter 88 rises, lifts the workpiece 999 from the first drying conveyor line 520 and the workpiece 999 enters the second branch channel 320 from the second branch channel 321.

[0043] More specifically, the primer spraying production line 600 includes a first buffer line 610, a primer spraying line 620 and a second drying conveyor line 630. The first buffer line 610, the primer spraying line 620 and the second drying conveyor line 630 are connected in sequence and connected end to end. A lifter 88 is provided between the second drying conveyor line 630 and the first branch channel 311. The lifter 88 can lift the workpiece 999 dried by the second drying conveyor line 630 from the second drying conveyor line 630 and allow the workpiece 999 to enter the first branch channel 310 from the first branch channel 311. The second robot 92 can grab the workpiece 999 dried by the first drying conveyor line 520 from the first drying conveyor line 520 to the first buffer line 610. The third robot 93 can grab the workpiece 999 dried by the second drying conveyor line 630 from the first buffer line 610 to the base powder spraying line 510.

[0044] During operation, after the workpiece 999 is dried by the second drying conveyor line 630, if the process requires a secondary primer process, the lifter 88, the second robot 92 and the third robot 93 between the second drying conveyor line 630 and the first lane opening 311 do not perform any action, and the workpiece 999 enters the primer spraying production line 600 for a second time for primer application; if it is necessary to enter the glitter spraying production line 700 or the color paint spraying production line 800, when the workpiece 999 moves to the lifter 88 between the second drying conveyor line 630 and the first lane opening 311, the lifter 88 rises, lifts the workpiece 999 dried by the second drying conveyor line 630 away from the second drying conveyor line 630, and allows the workpiece 999 to enter the first lane 310 from the first lane opening 311, thereby entering the glitter spraying production line 700 or the color paint spraying production line 800 through the multi-channel conveying mechanism 300;

[0045] If it is necessary to enter the glitter spraying production line 700, after the workpiece 999 is transported from the first lane (310) to the second opening (312) of the first lane, it is grabbed by the seventh robot (97) and placed on the glitter spraying production line 700.

[0046] If the paint spraying production line 800 is needed, when the workpiece 999 moves to the top of the commutator (555) on the first lane (310), the pulley belt (333) extends from the gap between the rollers through the lifting frame, thereby sending the workpiece 999 to the right. When the workpiece is transported to the range of the eighth robot 98, the eighth robot 98 grabs the workpiece 999 and places the workpiece 999 on the paint spraying production line 800.

[0047] If the processing technology of the glitter spraying production line 700 or the color paint spraying production line 800 is not required, when the workpiece 999 is transported to the six openings 316 of the first branch channel, the workpiece can be directly unloaded.

[0048] If the workpiece only needs a secondary drying process, when the workpiece 999 moves into the range of the second robot 92, the second robot 92 can grab the workpiece 999 from the second drying conveyor line 630 and place it on the first drying conveyor line 520 for drying; if the base powder spraying process is required again, the third robot 93 will grab the workpiece 999 dried by the second drying conveyor line 630 from the first buffer line 610 and place it on the base powder spraying line 510.

[0049] More specifically, the glitter spraying production line 700 includes a glitter spraying line 710 and a third drying conveyor line 720. A seventh robot 97 is provided between the first branch channel second opening 312 and the glitter spraying line 710. A fifth robot 95 and a sixth robot 96 are provided between the glitter spraying line 710 and the third drying conveyor line 720. The seventh robot 97 grabs the workpiece 999 that moves to the first branch channel second opening 312 and places it on the glitter spraying line 710. The fifth robot 95 grabs the workpiece 999 from the glitter spraying line 710 to the third drying conveyor line 720. The sixth robot 96 grabs the workpiece 999 dried by the third drying conveyor line 720 and places it on the paint spraying production line 800.

[0050] During operation, when the workpiece comes out of the second opening 312 of the first branch channel, if the workpiece 999 needs to be cleaned according to the process requirements, the seventh robot 97 can grab the workpiece 999 and place the workpiece 999 on the third buffer line 461, so that the workpiece 999 moves to the cleaning main line 462, and the second spray system 450 cleans the workpiece 999. After cleaning, the workpiece moves to the range of the seventh robot 97, and the seventh robot 97 grabs the workpiece 999 and takes it to the glitter spraying line 710 for glittering. When the workpiece 999 needs secondary drying, the fifth robot 97 95. The sixth robot 96 and the seventh robot 97 do not perform any action, and the workpiece 999 circulates on the third drying conveyor line 720 to achieve secondary drying; when the workpiece 999 is unloaded after the glitter process, when the workpiece 999 moves to the fifth straight channel opening 351, the lifter 88 located at the fifth straight channel opening 351 rises, so that the workpiece 999 is unloaded from the fifth straight channel second opening 352 along the fifth straight channel 350; when the workpiece 999 needs to be painted, the sixth robot 96 picks up the workpiece 999 and places the workpiece 999 on the paint spraying production line 800.

[0051] More specifically, the paint spraying production line 800 includes a second buffer line 810, a paint spraying line 820 and a fourth drying conveyor line 830. The second buffer line 810, the paint spraying line 820 and the fourth drying conveyor line 830 are connected in sequence and connected head to tail. The sixth robot 96 grabs the workpiece 999 dried by the third drying conveyor line 720 and puts it onto the second buffer line 810. A lifter 88 is provided between the first lane five openings 315 and the fourth drying conveyor line 830. The lifter 88 can lift the workpiece 999 dried by the fourth drying conveyor line 830 away from the fourth drying conveyor line 830 and allow the workpiece 999 to enter the first lane 310 from the first lane five openings 315, and enter the fifth straight lane 350 from the first lane six openings 316 to realize unloading.

[0052] More specifically, it also includes a second pre-processing production line, which includes a secondary pre-processing line and a second spray system 450. The secondary pre-processing line includes a third buffer line 461 and a cleaning main line 462. The second spray system 450 is arranged on the cleaning main line 462. The seventh robot 97 can grab the workpiece 999 moving to the second port 312 of the first lane to the third buffer line 461. An eighth robot 98 is provided between the paint spraying line 820 and the fourth port 324 of the second lane. The eighth robot 98 can grab the workpiece 999 moving to the fourth port 324 of the second lane to the paint spraying line 820 or grab the workpiece 999 moving to the fourth port 324 of the second lane to the third buffer line 461.

[0053] During operation, in order to apply glitter more evenly, the seventh robot 97 grabs the workpiece 999 that has moved to the second opening 312 of the first branch lane and places it on the third buffer line 461, thereby pre-cleaning and drying the workpiece 999. The eighth robot 98 can also grab the workpiece 999 that has moved to the fourth opening 324 of the second branch lane and place it on the third buffer line 461, thereby pre-cleaning and drying the workpiece 999, thereby pre-cleaning and drying the workpiece 999, in order to apply color paint more evenly.

[0054] More specifically, the third opening 323 of the second lane is connected with the fifth opening 315 of the first lane, so that the workpiece 999 at the third opening 323 of the second lane moves toward the sixth opening 316 of the first lane, thereby realizing unloading; the second opening 332 of the third lane is connected with the fifth opening 315 of the first lane, so that the workpiece 999 at the first opening 331 of the third lane moves toward the sixth opening 316 of the first lane, thereby realizing unloading; the first opening 331 of the third lane is connected with the third opening 313 of the first lane, and the second opening 322 of the second lane is connected with the fourth opening 314 of the first lane. A transfer station 777 is provided on the fourth opening 314 of the first lane, so that the workpiece after transfer can be unloaded through the first opening 331 of the third lane or the second opening 322 of the second lane.

[0055] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention. Industrial Applicability

[0056] This conveying system is suitable for industrial applications.

Claims

1. A flexible multi-channel wheel-specific conveying system, comprising a body (100), wherein the body (100) is provided with a first pre-treatment production line (400), a base powder spraying production line (500), a primer spraying production line (600), a glitter spraying production line (700) and a color paint spraying production line (800), characterized in that: The body (100) is provided with a multi-channel conveying mechanism (300); the first pre-treatment production line (400), the base powder spraying production line (500), the primer spraying production line (600), the glitter spraying production line (700) and the color paint spraying production line (800) are all connected to the multi-channel conveying mechanism (300) by pipes; the multi-channel conveying mechanism (300) is provided with a plurality of robots, the robots grab the workpieces (999) processed by the first pre-treatment production line (400) or the base powder spraying production line (500) or the primer spraying production line (600) or the glitter spraying production line (700) or the color paint spraying production line (800) and place them in the multi-channel conveying mechanism (300); The multi-channel conveying mechanism (300) is used to process the workpiece (999) in a first pre-treatment production line (400) or a base powder spraying production line (500) or a primer spraying production line (600) or a glitter spraying production line (700) or a color paint spraying production line (800) at least once, wherein the multi-channel conveying mechanism (300) comprises: a first branch lane (310), a second branch lane (320), a third branch lane (330), a fourth branch lane (340) and a fifth straight lane (350), wherein the first branch lane (310) is provided with a first branch lane opening (311), a first branch lane second opening (312), a first branch lane third opening (313) and a fifth straight lane (350). The first lane comprises a first lane opening (313), a first lane opening (314), a first lane opening (315) and a first lane opening (316); the second lane (320) comprises a second lane opening (321), a second lane opening (322), a second lane opening (323) and a second lane opening (324); the third lane (330) comprises a third lane opening (331) and a third lane opening (332); the fourth lane (340) comprises a fourth lane opening (341), a fourth lane opening (342) and a fourth lane opening (343); the fifth straight lane (350) comprises a fifth straight lane opening (351) and a fifth straight lane opening (352); 52), the third opening (323) of the second branch lane is connected to the fifth opening (315) of the first branch lane, so that the workpiece (999) at the third opening (323) of the second branch lane moves toward the sixth opening (316) of the first branch lane, the second opening (332) of the third branch lane is connected to the fifth opening (315) of the first branch lane through a commutator (555), so that the workpiece (999) at the first opening (331) of the third branch lane moves toward the fifth opening (315) of the first branch lane, the first opening (331) of the third branch lane is connected to the third opening (313), the second opening (322) of the second branch lane is connected to the fourth opening (314) of the first branch lane, and a transfer station (777) is provided on the fourth opening (314) of the first branch lane.

2. A flexible multi-channel wheel-specific conveying system according to claim 1, characterized in that: The first lane (310) is provided with a commutator (555), and the commutator (555) transports the workpiece (999) to the six openings (316) of the first lane or the two openings (312) of the first lane. The second lane (320) is provided with a commutator (555), and the commutator (555) transports the workpiece (999) to the two openings (322) of the second lane or the three openings (323) of the second lane. A commutator (555) is also provided between the two openings (322) of the second lane and the four openings (324) of the second lane.

3. A flexible multi-channel wheel-specific conveying system according to claim 1, characterized in that: The first pre-treatment production line (400) comprises a pre-treatment conveyor line and a spray system (410), the pre-treatment conveyor line comprises a loading line (420), a feeding main line (430) and a unloading line (440), the loading line (420), the feeding main line (430) and the unloading line (440) are integrated structures and connected end to end, the spray system (410) is arranged on the feeding main line (430), the loading line (420) is arranged on the material area side, a first robot (91) is arranged between the material area and the loading line (420), the first robot (91) automatically grabs the workpiece (999) in the material area onto the loading line (420), the unloading line (440) is arranged between the base powder spraying production line (500) and the second branch lane (320), and a second robot (92) and a third robot (93) are arranged between the base powder spraying production line (500) and the unloading line (440).

4. The flexible multi-channel wheel-specific conveying system according to claim 1, characterized in that: The base powder spraying production line (500) is provided with a base powder spraying line (510) and a first drying conveyor line (520), and a fourth robot (94) is provided between the base powder spraying line (510) and the first drying conveyor line (520). The third robot (93) can grab the workpiece (999) from the unloading line (440) to the base powder spraying line (510), and the fourth robot (94) grabs the workpiece (999) from the base powder spraying line (510) to the first drying conveyor line (520). 0), a lifter (88) is provided between the first drying conveyor line (520) and the second lane opening (321), the lifter (88) can lift the dried workpiece (999) away from the first drying conveyor line (520) and deliver the workpiece (999) from the second lane opening (321) to the second lane (320), and the second robot (92) can grab the dried workpiece (999) from the first drying conveyor line (520) to the primer spraying production line (600).

5. The flexible multi-channel wheel-specific conveying system according to claim 1, characterized in that: The primer spraying production line (600) comprises a first buffer line (610), a primer spraying line (620) and a second drying conveying line (630), wherein the first buffer line (610), the primer spraying line (620) and the second drying conveying line (630) are connected in sequence and end to end, and a lifter (88) is provided between the second drying conveying line (630) and the first branching opening (311), wherein the lifter (88) can lift the workpiece (999) dried by the second drying conveying line (630) away from the first branching opening (311). The second drying conveyor line (630) allows the workpiece (999) to enter the first lane (310) from a first lane opening (311); the second robot (92) can grab the workpiece (999) dried by the first drying conveyor line (520) from the first drying conveyor line (520) to the first buffer line (610); the third robot (93) can grab the workpiece (999) dried by the second drying conveyor line (630) from the first buffer line (610) to the bottom powder spraying line (510).

6. The flexible multi-channel wheel-specific conveying system according to claim 1, characterized in that: The glitter spraying production line (700) comprises a glitter spraying line (710) and a third drying conveying line (720); a seventh robot (97) is arranged between the first branch channel two openings (312) and the glitter spraying line (710); a fifth robot (95) and a sixth robot (96) are arranged between the glitter spraying line (710) and the third drying conveying line (720); the seventh robot (97) grabs a workpiece (999) that moves to the first branch channel two openings (312) and places it on the glitter spraying line (710); the fifth robot (95) grabs the workpiece (999) from the glitter spraying line (710) and places it on the third drying conveying line (720); and the sixth robot (96) grabs the workpiece (999) that has been dried by the third drying conveying line (720) and places it on the color paint spraying production line (800).

7. A flexible multi-channel wheel-specific conveying system according to claim 6, characterized in that: The paint spraying production line (800) comprises a second buffer line (810), a paint spraying line (820) and a fourth drying conveyor line (830); the second buffer line (810), the paint spraying line (820) and the fourth drying conveyor line (830) are connected in sequence and are connected head to tail; the sixth robot (96) grabs the workpiece (999) dried by the third drying conveyor line (720) and places it on the second buffer line (810); a lifter (88) is provided between the first lane five openings (315) and the fourth drying conveyor line (830); the lifter (88) can lift the workpiece (999) dried by the fourth drying conveyor line (830) away from the fourth drying conveyor line (830) and allow the workpiece (999) to enter the first lane (310) from the first lane five openings (315).

8. The flexible multi-channel wheel-specific conveying system according to claim 7, characterized in that: It also includes a second pre-treatment production line, which includes a secondary pre-treatment line and a second spray system (450). The secondary pre-treatment line includes a third buffer line (461) and a cleaning main line (462). The second spray system (450) is arranged on the cleaning main line (462). The seventh robot (97) can grab the workpiece (999) that moves to the second opening (312) of the first lane and put it on the third buffer line (461). An eighth robot (98) is arranged between the color paint spraying line (820) and the fourth opening (324) of the second lane. The eighth robot (98) can grab the workpiece (999) that moves to the fourth opening (324) of the second lane and put it on the color paint spraying line (820) or grab the workpiece (999) that moves to the fourth opening (324) of the second lane and put it on the third buffer line (461).

9. The flexible multi-channel wheel-specific conveying system according to claim 2, characterized in that: The commutator (555) comprises a lifting frame and a plurality of pulley belts (333) arranged on the lifting frame. A plurality of rollers (444) are arranged on the first branch track (310) or the second branch track (320) located directly above the commutator (555). The pulley belts (333) extend from gaps between the rollers. The pulley belts (333) are perpendicular to the movement direction of the rollers.

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