Rail type transportation system for coating production line

By designing a self-charging rail-based transportation system, the problems of power supply automation and spray masking in the coating production line were solved, achieving stable workpiece transportation and continuous automated operation of the production line.

CN223721887UActive Publication Date: 2025-12-26JIANGSU RUNERDA INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422676332.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-12-26
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing rail-type transportation system in the painting production line requires manual management in terms of power supply, has a low degree of automation, and the suspended chain transportation method has the problem of spraying obstruction.

Method used

A track-type transportation system including a transport track mechanism and a charging station was designed. The system utilizes wireless communication and a drive mechanism to enable the workpiece transport device to charge autonomously and move along a circular track, ensuring the stability and automated operation of workpiece transportation.

Benefits of technology

It achieves comprehensive coverage of workpiece painting locations and improves production efficiency, while ensuring the continuous automated operation of the production line without the need for manual intervention in charging.

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Abstract

The utility model discloses a rail type transportation system for a coating production line. The rail type transportation system comprises a carrying rail mechanism, a charging station and a plurality of workpiece consignment devices. The carrying track mechanism and the charging station jointly form an annular track, and all the workpiece consignment devices are used for placing all workpieces to be painted in a lifting mode and move along the annular track. And the charging station is used for moving the to-be-charged workpiece consignment device away from the annular track for charging. According to the rail type conveying system, the workpiece to be painted can be placed in a lifting mode through the workpiece consignment device and can move along the annular rail, on one hand, the workpiece conveying stability can be guaranteed, the paint spraying position of the workpiece cannot be shielded, the surface paint spraying comprehensiveness can be guaranteed, later manual paint make-up is not needed, and the production efficiency is improved; the to-be-charged workpiece consignment device can be moved away from the annular track to be charged through the charging station, so that other workpiece consignment devices with sufficient electric quantity cannot be hindered to continue to work, and automatic continuous operation of a production line is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a track type transportation system, especially a track type transportation system for a coating production line. BACKGROUND

[0002] The existing coating production line generally uses two workpiece carrying modes of track type and suspension chain type, but the suspension chain type has the problem of spraying shielding, is generally only used for workpieces with low spraying quality requirement, and the track type can be supported by inner walls and does not have the problem of shielding, but the track type carrying has a power supply problem, therefore, the present adoption is that replaceable batteries are used for power supply, and the battery is taken off from the carrying vehicle to charge when the battery is out of power, but this mode needs special personnel to charge and manage, is not high in automation degree, and is not favorable for the automatic operation of the production line. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a track type transportation system for a coating production line, which can realize track type transportation of workpieces and can independently charge to maintain the automatic operation of the production line.

[0004] Technical scheme: the utility model discloses a track type transportation system for a coating production line, which comprises a carrying track mechanism, a charging station and a plurality of workpiece carrying devices; the carrying track mechanism and the charging station jointly form a ring track, each workpiece carrying device is used for placing each workpiece to be sprayed in a lifting mode and moves along the ring track; the charging station is used for moving the workpiece carrying device to be charged away from the ring track to charge; and the charging station and each workpiece carrying device are in wireless communication.

[0005] Further, the carrying track mechanism comprises a support track, a driving rack and various track support frames; the charging station comprises a charging control box, a connecting track, a translation track, a first translation driving mechanism, a second translation driving mechanism, two switching tracks and various charging docking mechanisms; the track support frame is fixed on the lower side of the support track, and is used for horizontally supporting the support track; the driving rack is fixed on the side of the support track, and is used for cooperating with the workpiece carrying device to drive; the first translation driving mechanism is installed on the two switching tracks, the connecting track is installed on the first translation driving mechanism, and the connecting track is driven by the first translation driving mechanism to move along the two switching tracks from the side of the support track to the two ends of the support track to form a ring track; the second translation driving mechanism is installed on the two switching tracks, the translation track is installed on the second translation driving mechanism, and the translation track is used for carrying the workpiece carrying device to be charged, and the translation track is driven by the second translation driving mechanism to move along the two switching tracks from the two ends of the support track to the various charging docking mechanisms; the charging docking mechanism is used for docking the workpiece carrying device to be charged, and charging the docked workpiece carrying device; the driving stopper rack cooperating with the workpiece carrying device is arranged on the charging docking mechanism, the translation track and the connecting track; the first translation driving mechanism and the second translation driving mechanism are driven and controlled by the charging control box, and the charging control box wirelessly communicates with each workpiece carrying device.

[0006] Further, the workpiece carrying device comprises a transportation control box, a transportation driving unit, a first connecting rod, a second connecting rod, two workpiece multi-point supporting units and two moving supporting units; the transportation control box is installed on the transportation driving unit, the transportation driving unit and the two moving supporting units are used for being movably installed on the support track, the first connecting rod is swing-connected between the transportation driving unit and one moving supporting unit, and the second connecting rod is swing-connected between the two moving supporting units; the two workpiece multi-point supporting units are respectively installed on the two moving supporting units, and are used for multi-point supporting the workpiece; the transportation driving unit is used for cooperating with the driving rack to realize moving driving; the transportation driving unit is driven and controlled by the transportation control box, and the transportation control box is wirelessly connected with the charging control box.

[0007] Further, the transportation driving unit comprises a track mover, a card reader, a walking driving motor, a walking driving gear, a gear mounting rack and two L-shaped side plates; the track mover is movably mounted on the support track; the two L-shaped side plates are symmetrically mounted on the track mover and are respectively located on the two sides of the support track; the gear mounting rack is fixed on the inner side of the L-shaped side plate on one side; the walking driving gear is rotatably mounted on the gear mounting rack; the walking driving motor is mounted on the gear mounting rack and is used to drive the walking driving gear to rotate; the walking driving gear is engaged with the driving rack; the transportation control box is mounted on the top of the track mover; the charging electrode column is arranged on the L-shaped side plate on the other side; the battery module is detachably mounted on the transportation control box; the charging electrode column is electrically connected with the battery module through the charging circuit in the transportation control box; the moving position electronic tag is arranged on the support track; the charging position electronic tag is arranged on the translation track; the charging stop electronic tag is arranged on the charging stop mechanism; the card reader and the walking driving motor are electrically connected with the transportation control box; the battery module is used to supply power for the transportation control box, the card reader and the walking driving motor; the card reader is used to read the tag information of the moving position electronic tag, the charging position electronic tag and the charging stop electronic tag.

[0008] Further, the moving support unit comprises a track mover, a strip-shaped adjusting seat, a self-adjusting sliding block and a height adjusting column; the workpiece multi-point support unit comprises a clamping mounting seat, a clamping locking screw and a plurality of workpiece support short rods; the track mover is movably mounted on the support track; the strip-shaped adjusting seat is fixed on the top of the track mover; the second connecting rod is swingingly connected between the two track movers; the self-adjusting sliding groove is arranged on the strip-shaped adjusting seat; the self-adjusting sliding block is slidably mounted on the self-adjusting sliding groove; the lower end of the height adjusting column is rotatably mounted on the self-adjusting sliding block; the inner threaded adjusting pipe is arranged at the center of the lower side of the clamping mounting seat; the upper end of the height adjusting column is threadedly screwed into the inner threaded adjusting pipe; the clamping guide groove is arranged on the clamping mounting seat; the clamping guide sliding block is slidably mounted on the clamping guide groove; the clamping extrusion movable seat is arranged on the clamping guide sliding block; the mounting ring piece is arranged on the lower end of the workpiece support short rod; the clamping extrusion fixed seat is arranged on the clamping mounting seat; one end of the clamping locking screw is fixed on the clamping extrusion fixed seat; the other end of the clamping locking screw penetrates through the mounting ring pieces and the clamping extrusion movable seat; the clamping locking screw is parallel to the clamping guide groove; the extrusion locking nut is threadedly screwed on the clamping locking screw and is used to lock and press the clamping extrusion movable seat.

[0009] Compared with the prior art, the workpiece carrying device can carry and place the workpiece to be painted along the annular track, on the one hand, the stability of workpiece transportation can be ensured, the painting position of the workpiece will not be shielded, the comprehensiveness of surface painting can be ensured, manual paint supplement is not needed in the later period, and production efficiency is improved; the workpiece carrying device to be charged is moved away from the annular track to be charged by the charging station, so that the workpiece carrying device with sufficient power can continue to work, and automatic and continuous operation of the production line is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a charging station structure schematic view of the utility model;

[0011] Figure 2 It is a structure schematic view of the first translation driving mechanism and the second translation driving mechanism of the utility model;

[0012] Figure 3 It is a charging cabinet structure schematic view of the utility model;

[0013] Figure 4 It is a charging cabinet local structure schematic view of the utility model;

[0014] Figure 5 It is a carrying track mechanism side structure schematic view of the utility model;

[0015] Figure 6 It is a carrying track mechanism front view structure schematic view of the utility model;

[0016] Figure 7 It is a mobile support unit local structure schematic view of the utility model;

[0017] Figure 8 It is a workpiece multi-point support unit structure schematic view of the utility model;

[0018] Figure 9 It is a battery module installation structure schematic view of the utility model;

[0019] Figure 10 It is a circuit structure schematic view of the utility model. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described in detail in combination with the drawings, but the protection scope of the utility model is not limited to the described embodiments.

[0021] For example, Figures 1-10The utility model discloses a track type conveying system for coating production line includes: carrying track mechanism, charging station and a plurality of workpiece transport device, carrying track mechanism and charging station constitute annular track in common, each workpiece transport device is used for lifting type to place each workpiece 100 to be sprayed paint, and moves along annular track, charging station is used for moving the workpiece transport device to be charged away from annular track and charges, charging station and each workpiece transport device wireless communication.

[0022] The workpiece transport device can lift the workpiece 100 to be sprayed paint and move along the annular track, which can ensure the stability of the workpiece 100 transportation, will not block the paint spraying position of the workpiece 100, can ensure the comprehensiveness of the surface paint spraying, and does not need manual paint supplement in the later stage, improves the production efficiency; the charging station can move the workpiece transport device to be charged away from the annular track for charging, so as not to hinder other workpiece transport devices with sufficient power to continue to work, and ensure the automatic continuous operation of the production line.

[0023] Further, the carrying track mechanism comprises a support track 601, a driving rack 602 and various track support frames 603; the charging station comprises a charging control box 706, a connecting track 717, a translation track 711, a first translation driving mechanism, a second translation driving mechanism, two switching tracks 701 and various charging docking mechanisms; the track support frame 603 is fixed on the lower side of the support track 601, used for horizontally supporting the support track 601; the driving rack 602 is fixed on the side of the support track 601, used for cooperating with the workpiece carrying device for driving; the first translation driving mechanism is installed on the two switching tracks 701, and the connecting track 717 is installed on the first translation driving mechanism; the connecting track 717 is driven by the first translation driving mechanism to move along the two switching tracks 701 from the side of the support track 601 to the two ends of the support track 601 to form a ring track; the second translation driving mechanism is installed on the two switching tracks 701, and the translation track 711 is installed on the second translation driving mechanism; the translation track 711 is used for carrying the workpiece carrying device to be charged, and is driven by the second translation driving mechanism to move along the two switching tracks 701 from the two ends of the support track 601 to the various charging docking mechanisms; the charging docking mechanism is used for docking the workpiece carrying device to be charged, and charging the docked workpiece carrying device; the driving and docking rack 710 cooperating with the workpiece carrying device is arranged on the charging docking mechanism, the translation track 711 and the connecting track 717; the first translation driving mechanism and the second translation driving mechanism are driven and controlled by the charging control box 706, and the charging control box 706 communicates wirelessly with each workpiece carrying device. The first translation driving mechanism and the second translation driving mechanism are used for respectively translating the connecting track 717 and the translation track 711, so that when the workpiece carrying device is transported on the translation track 711 for charging, the connecting track 717 is connected with the support track 601, ensuring the integrity of the ring track, facilitating the circular movement of other workpiece carrying devices with sufficient power; each charging docking mechanism can facilitate charging of multiple workpiece carrying devices, thereby ensuring normal operation of multiple workpiece carrying devices on the ring track.

[0024] Further, the charging stop mechanism comprises a stop rail 712 and a charging cabinet 715. The stop rail 712 is fixedly installed on the side of the switching rail 701 by a stop support, and is parallel to the translation rail 711. When the translation rail 711 moves to the stop rail 712, the end thereof is close to the stop rail 712. The stop rack 710 is fixed on the side of the stop rail 712. The charging cabinet 715 is installed on the side of the stop rail 712 by a cabinet support 721. A strip-shaped through slot 716 parallel to the stop rail 712 is arranged on the top of the charging cabinet 715. A strip-shaped limiting through slot 722 is arranged on both sides of the strip-shaped through slot 716. A strip-shaped conductive strip 723 is arranged on the upper and lower side slots of the strip-shaped limiting through slot 722. The two ends of the strip-shaped conductive strip 723 are provided with inclined sections 724. A conductive supporting spring 725 is arranged between the strip-shaped conductive strip 723 and the slot edge of the strip-shaped limiting through slot 722. The upper and lower strip-shaped conductive strips 723 are used for elastically clamping and conducting the charging electrode column 527. The strip-shaped conductive strip 723 is electrically connected with the charging adapter. The stop rail 712 can support the workpiece carrying device at the charging position. The charging cabinet 715 can charge the stopped workpiece carrying device. The two strip-shaped conductive strips 723 are used for elastically clamping and conducting the charging electrode column 527, so that the charging adapter can charge the battery module 504. The conductive supporting spring 725 can elastically press the strip-shaped conductive strip 723, so as to ensure the reliability of the conductive contact between the strip-shaped conductive strip 723 and the charging electrode column 527. The inclined sections 724 can facilitate the charging electrode column 527 to smoothly slide into the two strip-shaped conductive strips 723.

[0025] Further, the first translation driving mechanism comprises a first translation driving motor 702, a first translation driving screw 705 and two translation support seats 718; the second translation driving mechanism comprises a second translation driving motor 703, a second translation driving screw 704 and two translation support seats 718; the translation support seats 718 are slidingly installed on the switching track 701, the track support grooves 720 are arranged on the side of the switching track 701 along the length direction thereof, the switching support rollers 719 walking in the track support grooves 720 are rotatably installed on the translation support seats 718; the two ends of the connecting track 717 are installed on the two translation support seats 718 through track support columns respectively, and the connecting driving beam 708 is connected between the two translation support seats 718 of the first translation driving mechanism; the first translation driving screw 705 is installed on the connecting driving beam 708 through thread penetration, and the first translation driving motor 702 is used to drive the first translation driving screw 705 to rotate; the two ends of the translation track 711 are installed on the other two translation support seats 718 through track support columns respectively, and the translation driving beam 707 is connected between the two translation support seats 718 of the second translation driving mechanism; the second translation driving screw 704 is installed on the translation driving beam 707 through thread penetration, and the second translation driving motor 703 is used to drive the second translation driving screw 704 to rotate; the first translation driving motor 702 and the second translation driving motor 703 are driven and controlled by the charging control box 706; the charging control box 706 is installed on the control box support 709.

[0026] Further, the workpiece conveying device comprises a conveying control box 502, a conveying driving unit, a first connecting rod 505, a second connecting rod 506, two workpiece multi-point supporting units and two moving supporting units; the conveying control box 502 is installed on the conveying driving unit, the conveying driving unit and the two moving supporting units are movably installed on the support track 601, the first connecting rod 505 is swingably connected between the conveying driving unit and one moving supporting unit, and the second connecting rod 506 is swingably connected between the two moving supporting units; the two workpiece multi-point supporting units are installed on the two moving supporting units respectively for multi-point supporting the workpiece 100; the conveying driving unit is used to realize movement driving in cooperation with the driving rack 602; the conveying driving unit is driven and controlled by the conveying control box 502, and the conveying control box 502 is wirelessly connected with the charging control box 706. The first connecting rod 505 and the second connecting rod 506 are sequentially connected with the conveying driving unit and the two moving supporting units, so that the workpiece 100 can smoothly pass through the bending position of the annular track; the two workpiece multi-point supporting units can multi-point support the two ends of the workpiece 100, so as to ensure the stability of the workpiece 100.

[0027] Further, the transportation driving unit comprises a track mover, a card reader 524, a walking driving motor 501, a walking driving gear 521, a gear mounting rack 519 and two L-shaped side plates; the track mover is movably mounted on the support track 601, the two L-shaped side plates are symmetrically mounted on the track mover and are respectively located on the two sides of the support track 601; the gear mounting rack 519 is fixed on the inner side of the L-shaped side plate on one side, the walking driving gear 521 is rotatably mounted on the gear mounting rack 519; the walking driving motor 501 is mounted on the gear mounting rack 519 and is used to drive the walking driving gear 521 to rotate; the walking driving gear 521 is engaged with the driving rack 602; the transportation control box 502 is mounted on the top of the track mover; the charging electrode column 527 is arranged on the L-shaped side plate on the other side, the battery module 504 is detachably mounted on the transportation control box 502, the charging electrode column 527 is electrically connected with the battery module 504 through the charging circuit in the transportation control box 502; the moving position electronic tag 604 is arranged on the support track 601, the charging position electronic tag 713 is arranged on the translation track 711, and the charging stop electronic tag 714 is arranged on the charging stop mechanism; the card reader 524 and the walking driving motor 501 are electrically connected with the transportation control box 502, the battery module 504 is used to supply power for the transportation control box 502, the card reader 524 and the walking driving motor 501, and the card reader 524 is used to read the tag information of the moving position electronic tag 604, the charging position electronic tag 713 and the charging stop electronic tag 714.

[0028] Further, the track mover comprises a U-shaped track seat 503, two side edge limiting rollers 511 and track walking support rollers 526; the U-shaped track seat 503 is invertedly mounted on the support track 601, each track walking support roller 526 is rotatably mounted on the inner wall of the vertical side plate of the U-shaped track seat 503 and supports walking on the upper and lower side surfaces of the track edge wing 605 on the two sides of the support track 601; the two side edge limiting rollers 511 are respectively rotatably mounted on the rectangular roller holes 507 on the two vertical side plates of the U-shaped track seat 503 and are used to support walking on the vertical side edge of the track edge wing 605; the L-shaped side plate is mounted on the vertical side plate of the U-shaped track seat 503 and is provided with a reinforcing rib plate 525 at the mounting position; and the card reader 524 is fixed on the inner top of the U-shaped track seat 503. The two side edge limiting rollers 511 can reduce the frictional resistance of the side edge during movement.

[0029] Further, the transportation control box 502 is provided with a limiting groove 545 for placing the battery module 504, and a battery limiting seat 543 is arranged at the center of the groove bottom of the limiting groove 545; the bottom of the battery module 504 is provided with a battery limiting groove 542 matched with the battery limiting seat 543; a battery locking screw rod 547 is screw-coupled and installed on the side of the transportation control box 502, and a battery locking hole 546 is arranged on the side of the battery module 504, the end of the battery locking screw rod 547 extends into the battery locking hole 546, and the locking of the battery module 504 is realized. By matching the limiting groove 545 with the battery limiting seat 543, the stability of the battery module 504 can be enhanced; by matching the battery locking hole 546 with the battery locking screw rod 547, the locking of the battery module 504 can be realized.

[0030] Further, the mobile support unit comprises a track mover, a strip-shaped adjusting seat 539, a self-adjusting sliding block 541 and a height adjusting column 509; the workpiece multi-point support unit comprises a clamping mounting seat 510, a clamping locking screw 532 and a plurality of workpiece support short rods 535; the track mover is movably mounted on the support track 601, and the strip-shaped adjusting seat 539 is fixed on the top of the track mover; the second connecting rod 506 is swingably connected between the two track movers; the self-adjusting sliding groove 540 is arranged on the strip-shaped adjusting seat 539, and the self-adjusting sliding block 541 is slidably mounted on the self-adjusting sliding groove 540; the lower end of the height adjusting column 509 is rotatably mounted on the self-adjusting sliding block 541; the inner threaded adjusting pipe 508 is arranged at the center of the lower side of the clamping mounting seat 510, and the upper end of the height adjusting column 509 is threadedly rotatably mounted in the inner threaded adjusting pipe 508; the clamping guide groove 528 is arranged on the clamping mounting seat 510, the clamping guide sliding block 529 is slidably mounted on the clamping guide groove 528, and the clamping extrusion movable seat 531 is arranged on the clamping guide sliding block 529; the mounting ring piece 537 is arranged on the lower end of the workpiece support short rod 535, and the friction ring piece 538 is arranged on the two side ring faces of the mounting ring piece 537; the clamping extrusion fixed seat 530 is arranged on the clamping mounting seat 510, one end of the clamping locking screw 532 is fixed on the clamping extrusion fixed seat 530, the other end penetrates through each mounting ring piece 537 and the clamping extrusion movable seat 531, and the clamping locking screw 532 is parallel to the clamping guide groove 528; the extrusion locking nut 534 is threadedly rotatably mounted on the clamping locking screw 532, for locking and pressing the clamping extrusion movable seat 531; the flexible support sleeve 536 for supporting the workpiece 100 is arranged on the upper end of the workpiece support short rod 535. By the sliding cooperation of the strip-shaped adjusting seat 539 and the self-adjusting sliding block 541, the self-adjusting sliding block 541 can slightly slide when moving to the bending position of the annular track, so as to adapt to the distance difference between the two track movers caused by the second connecting rod 506 at this position; by the cooperation of the mounting ring piece 537, the friction ring piece 538, the clamping locking screw 532 and the extrusion locking nut 534, the support angle adjustment and positioning of each workpiece support short rod 535 can be realized, so as to meet the multi-point stable support of the workpiece 100.

[0031] The track type transportation system for the coating production line disclosed by the utility model is coordinated and completed by mutual wireless communication of the charging control box 706 and each transportation control box 502 when running. The charging control box 706 is provided with a fourth controller, a fourth wireless communication module, a first translation driving circuit and a second translation driving circuit, the fourth controller is electrically connected with the fourth wireless communication module, the first translation driving circuit and the second translation driving circuit respectively, the fourth controller drives and controls the first translation driving motor 702 and the second translation driving motor 703 through the first translation driving circuit and the second translation driving circuit respectively; the transportation control box 502 is provided with a fifth controller, a voltage acquisition circuit, a fifth wireless communication module and a walking driving circuit, the fifth controller is electrically connected with the card reader 524, the voltage acquisition circuit, the fifth wireless communication module and the walking driving circuit respectively, the fifth controller acquires the voltage of the battery module 504 through the voltage acquisition circuit, and the fifth controller drives and controls the walking driving motor 501 through the walking driving circuit; the fourth wireless communication module and each fifth wireless communication module are in wireless networking communication.

[0032] The track type transportation system for the coating production line disclosed by the utility model is coordinated and completed by mutual wireless communication of the charging control box 706 and each transportation control box 502 when running. The charging control box 706 is provided with a fourth controller, a fourth wireless communication module, a first translation driving circuit and a second translation driving circuit, the fourth controller is electrically connected with the fourth wireless communication module, the first translation driving circuit and the second translation driving circuit respectively, the fourth controller drives and controls the first translation driving motor 702 and the second translation driving motor 703 through the first translation driving circuit and the second translation driving circuit respectively; the transportation control box 502 is provided with a fifth controller, a voltage acquisition circuit, a fifth wireless communication module and a walking driving circuit, the fifth controller is electrically connected with the card reader 524, the voltage acquisition circuit, the fifth wireless communication module and the walking driving circuit respectively, the fifth controller acquires the voltage of the battery module 504 through the voltage acquisition circuit, and the fifth controller drives and controls the walking driving motor 501 through the walking driving circuit; the fourth wireless communication module and each fifth wireless communication module are in wireless networking communication.

[0033] After the system is started, after the workpiece conveying device completes a cycle of workpiece 100 paint spraying and transportation, whether the voltage of the battery module 504 collected by the voltage collection circuit is lower than the set low voltage threshold value is determined by the fifth controller. If it is lower, the fifth controller sends a charging request information to the fourth controller through the wireless communication of the fifth wireless communication module and the fourth wireless communication module, and then the first translation drive motor 702 and the second translation drive motor 703 are driven and controlled by the fourth controller to move the connecting rail 717 away from the support rail 601, and the translation rail 711 is connected to the support rail 601. Then the fourth controller and the fifth controller communicate wirelessly, and the fifth controller controls the walking drive motor 501 to move the workpiece conveying device to the charging position. When the card reader 524 reads the charging position electronic tag 713, it stops on the translation rail 711 and communicates wirelessly to the fourth controller, indicating that it has arrived at the charging position. Then the fourth controller drives the second translation drive motor 703 to move the translation rail 711 to a stop rail 712 for docking, and then the fourth controller and the fifth controller communicate to indicate that the docking is complete. At the same time, the fourth controller drives the first translation drive motor 702 to connect the connecting rail 717 to the support rail 601, and then the fifth controller drives the walking drive motor 501 to move the workpiece conveying device to the stop rail 712. When the card reader 524 reads the charging stop electronic tag 714, the walking drive motor 501 stops. At this time, the strip-shaped conductive strip 723 is in conductive contact with the corresponding charging electrode column 527, realizing the charging of the battery module 504.

[0034] When the battery module 504 voltage collected by the voltage collection circuit is higher than the set high voltage threshold, it indicates that the charging is completed, the fifth controller sends the charging completion information to the fourth controller through wireless communication, and then the fourth controller controls the second translation drive motor 703 to move the translation track 711 to the corresponding docking track 712, then the fourth controller communicates with the fifth controller to indicate that the docking is completed, then the fifth controller drives and controls the walking drive motor 501 to make the workpiece carrying device move to the translation track 711, when the card reader 524 reads the charging position electronic tag 713, it stops on the translation track 711, and then communicates to the fourth controller wirelessly, and then the fourth controller controls the first translation drive motor 702 to move the connecting track 717 away from the support track 601, and then controls the second translation drive motor 703 to move the translation track 711 to the support track 601, and then communicates with the fifth controller to indicate that it has moved to the docking position, and then the fifth controller drives the walking drive motor 501 to make the workpiece carrying device leave the translation track 711, and then the fifth controller communicates with the fourth controller, and the fourth controller drives and controls the first translation drive motor 702 and the second translation drive motor 703 to move the translation track 711 away from the support track 601 and to dock the connecting track 717 to the support track 601.

[0035] As described above, although the present application has been shown and described with respect to a certain preferred embodiments thereof, it should be understood that the present application is not limited to the particular preferred embodiments, and various changes and modifications can be made in form and details by those skilled in the art without departing from the spirit and scope of the present application as defined by the appended claims.

Claims

1. A rail-bound transport system for a painting line, characterized in that: The device comprises a carrying track mechanism, a charging station and a plurality of workpiece carrying devices; the carrying track mechanism and the charging station jointly form a ring track, each workpiece carrying device is used for placing each workpiece (100) to be painted in a lifting manner and moving along the ring track; the charging station is used for moving the workpiece carrying device to be charged away from the ring track to charge; the charging station and each workpiece carrying device are in wireless communication.

2. A rail-bound transport system for a painting line according to claim 1, characterized in that: The carrying track mechanism comprises a support track (601), a driving rack (602) and each track support frame (603); the charging station comprises a charging control box (706), a connecting track (717), a translation track (711), a first translation driving mechanism, a second translation driving mechanism, two switching tracks (701) and each charging stop mechanism; The track support frame (603) is fixed on the lower side of the support track (601) and is used for horizontally supporting the support track (601); the driving rack (602) is fixed on the side of the support track (601) and is used for cooperating with the workpiece carrying device to drive; the first translation driving mechanism is installed on the two switching tracks (701), the connecting track (717) is installed on the first translation driving mechanism, and the connecting track (717) is driven by the first translation driving mechanism to move along the two switching tracks (701) from the side of the support track (601) to the two ends of the support track (601) to form a ring track; The second translation driving mechanism is installed on the two switching tracks (701), the translation track (711) is installed on the second translation driving mechanism, the translation track (711) is used for carrying the workpiece carrying device to be charged, and the translation track (711) is driven by the second translation driving mechanism to move along the two switching tracks (701) from the two ends of the support track (601) to each charging stop mechanism; the charging stop mechanism is used for stopping the workpiece carrying device to be charged and charging the stopped workpiece carrying device; the driving stop rack (710) cooperating with the workpiece carrying device is arranged on the charging stop mechanism, the translation track (711) and the connecting track (717); the first translation driving mechanism and the second translation driving mechanism are driven and controlled by the charging control box (706), and the charging control box (706) is in wireless communication with each workpiece carrying device.

3. A rail-bound transport system for a painting line according to claim 2, characterized in that: The workpiece carrying device comprises a transportation control box (502), a transportation driving unit, a first connecting rod (505), a second connecting rod (506), two workpiece multi-point support units and two moving support units; the transportation control box (502) is installed on the transportation driving unit, the transportation driving unit and the two moving support units are used for being movably installed on the support track (601), the first connecting rod (505) is swing-connected between the transportation driving unit and one moving support unit, and the second connecting rod (506) is swing-connected between the two moving support units; Two workpiece multi-point supporting units are respectively installed on the two mobile supporting units, and are used for multi-point supporting the workpiece (100); the transportation driving unit is used for cooperating with the driving rack (602) to realize mobile driving; the transportation driving unit is driven and controlled by the transportation control box (502), and the transportation control box (502) is in wireless communication connection with the charging control box (706).

4. A rail-bound transport system for a painting line according to claim 3, characterized in that: The transportation driving unit comprises a track mover, a card reader (524), a walking driving motor (501), a walking driving gear (521), a gear mounting rack (519) and two L-shaped side plates. The track mover is movably installed on the supporting track (601), the two L-shaped side plates are symmetrically installed on the track mover and are respectively located on the two sides of the supporting track (601); the gear mounting rack (519) is fixed on the inner side of the L-shaped side plate on one side, the walking driving gear (521) is rotatably installed on the gear mounting rack (519); the walking driving motor (501) is installed on the gear mounting rack (519) and is used for driving the walking driving gear (521) to rotate; the walking driving gear (521) is in mesh with the driving rack (602); the transportation control box (502) is installed on the top of the track mover; the charging electrode column (527) is arranged on the L-shaped side plate on the other side, the battery module (504) is detachably installed on the transportation control box (502), the charging electrode column (527) is electrically connected with the battery module (504) through a charging circuit in the transportation control box (502); the mobile position electronic tag (604) is arranged on the supporting track (601), the charging position electronic tag (713) is arranged on the translation track (711), and the charging parking electronic tag (714) is arranged on the charging parking mechanism; the card reader (524) and the walking driving motor (501) are electrically connected with the transportation control box (502), the battery module (504) is used for supplying power for the transportation control box (502), the card reader (524) and the walking driving motor (501), and the card reader (524) is used for reading tag information of the mobile position electronic tag (604), the charging position electronic tag (713) and the charging parking electronic tag (714).

5. A rail-bound transport system for a painting line according to claim 3, characterized in that: The mobile supporting unit comprises a track mover, a strip-shaped adjusting seat (539), a self-adjusting sliding block (541) and a height adjusting column (509); the workpiece multi-point supporting unit comprises a clamping mounting seat (510), a clamping locking screw rod (532) and a plurality of workpiece supporting short rods (535). The track mover is movably arranged on the support track (601), the strip-shaped adjusting base (539) is fixed to the top of the track mover, the second connecting rod (506) is swingably connected between the two track movers, the self-adjusting sliding groove (540) is arranged on the strip-shaped adjusting base (539), the self-adjusting sliding block (541) is slidably arranged on the self-adjusting sliding groove (540), the lower end of the height adjusting column (509) is rotatably arranged on the self-adjusting sliding block (541), the internally-threaded adjusting pipe (508) is arranged at the center of the lower side of the clamping mounting base (510), the upper end of the height adjusting column (509) is screw-coupled and arranged in the internally-threaded adjusting pipe (508), the clamping guide groove (528) is arranged on the clamping mounting base (510), the clamping guide sliding block (529) is slidably arranged on the clamping guide groove (528), the clamping extruding movable base (531) is arranged on the clamping guide sliding block (529), the mounting ring piece (537) is arranged on the lower end of the workpiece support short rod (535), the clamping extruding fixed base (530) is arranged on the clamping mounting base (510), one end of the clamping locking screw rod (532) is fixed to the clamping extruding fixed base (530), the other end penetrates through the clamping extruding movable base (531) and the mounting ring piece (537), and the clamping locking screw rod (532) is parallel to the clamping guide groove (528), the extruding locking nut (534) is screw-coupled and arranged on the clamping locking screw rod (532), and is used for locking and pressing the clamping extruding movable base (531).