Workpiece paint spraying system for coating production line

Abstract

The utility model discloses a workpiece paint spraying system for a coating production line. The workpiece paint spraying system comprises a control cabinet, a carrying track mechanism, a paint spraying device and a plurality of workpiece consignment devices, the paint spraying device comprises a paint spraying control box, a paint spraying chamber shell, a longitudinal moving mechanism, a rotary driving mechanism, a folding paint spraying support, two paint conveying mechanisms and spray head mechanisms. According to the workpiece paint spraying system, the workpiece to be painted can be placed in a lifting mode through the workpiece carrying device and can move along the annular track, 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; and through cooperation of the longitudinal moving mechanism, the rotary driving mechanism and the folding type paint spraying support, all-around multi-angle comprehensive paint spraying can be conducted on the workpiece, the paint spraying comprehensiveness of the workpiece is guaranteed, and the paint spraying quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a workpiece paint spraying system, especially a workpiece paint spraying system for coating production line. BACKGROUND

[0002] The existing coating assembly line adopts a suspension structure to transfer workpieces, which needs to find multiple suitable lifting points for various bumper models to stably suspend, but sometimes suitable lifting points cannot be found, and the suspension rod blocks the coating paint spraying, so that some places cannot be coated, manual paint supplement is needed in the later period, which not only consumes manpower and material resources, but also affects production efficiency. SUMMARY

[0003] The utility model aims at providing a workpiece paint spraying system for coating production line, which can realize lifting type transportation, does not need to find lifting points, and does not have the problem of paint spraying obstruction, ensures that the bumper is sprayed once, and improves production efficiency.

[0004] Technical scheme: the utility model discloses a workpiece paint spraying system for coating production line, including control cabinet, carrying track mechanism, paint spraying device and a plurality of workpiece transport devices, the paint spraying device includes paint spraying control box, paint spraying chamber shell, longitudinal movement mechanism, rotary drive mechanism, folding type paint spraying support, two paint conveying mechanisms and each spray head mechanism,

[0005] The carrying track mechanism is arranged in a ring track; each workpiece transport device is used for lifting type placing each workpiece to be sprayed, and moves along the ring track; the paint spraying control box is installed on the outer wall of the paint spraying chamber shell, paint spraying in-out windows are arranged on the front and back sides of the paint spraying chamber shell, and the ring track is penetrated through the paint spraying chamber shell by the two paint spraying in-out windows; the longitudinal movement mechanism is fixedly installed on the inner top of the paint spraying chamber shell, the folding type paint spraying support is rotatably installed on the longitudinal movement mechanism, the rotary drive mechanism is installed at the rotary connection of the folding type paint spraying support and the longitudinal movement mechanism, the folding type paint spraying support is driven to move longitudinally by the longitudinal movement mechanism, and the folding type paint spraying support is driven to rotate by the rotary drive mechanism; each spray head mechanism is distributedly installed on the folding type paint spraying support, paint is sprayed to the workpiece by each spray head mechanism, and the spray head mechanism is adjusted by folding the folding type paint spraying support; the two paint conveying mechanisms are respectively installed on the left and right inner walls of the paint spraying chamber shell and are used for conveying paint to each spray head mechanism; the longitudinal movement mechanism, the rotary drive mechanism, the folding type paint spraying support and the two paint conveying mechanisms are all driven and controlled by the paint spraying control box; the paint spraying control box and each workpiece transport device all wirelessly communicate with the control cabinet.

[0006] Further, the carrying track mechanism comprises a support track, a driving rack and track support frames; the track support frames are fixed on the lower side of the support track and used for horizontally supporting the support track; the support track forms a closed loop structure; the driving rack is fixed on the side of the support track and used for cooperating with the workpiece carrying device to drive.

[0007] Further, the workpiece carrying device comprises a transport control box, a transport driving unit, a first connecting rod, a second connecting rod, two workpiece multi-point support units and two moving support units; the transport control box is installed on the transport driving unit; the transport driving unit and the two moving support units are movably installed on the support track; the first connecting rod is swing-connected between the transport driving unit and one of the moving support units; the second connecting rod is swing-connected between the two moving support units; the two workpiece multi-point support units are respectively installed on the two moving support units and used for multi-point supporting the workpiece; the transport driving unit is used for cooperating with the driving rack to realize moving driving; the transport driving unit is driven and controlled by the transport control box; the transport control box is wirelessly connected with the control cabinet.

[0008] Further, the transport driving unit comprises a track mover, a card reader, a walking driving motor, a walking driving gear, a gear mounting frame and an L-shaped side plate; the track mover is movably installed on the support track; the L-shaped side plate is installed on the track mover; the gear mounting frame is fixed on the inner side of the L-shaped side plate; the walking driving gear is rotatably installed on the gear mounting frame; the walking driving motor is installed on the gear mounting frame and used for driving the walking driving gear to rotate; the walking driving gear is engaged with the driving rack; the transport control box is installed on the top of the track mover; a battery module is detachably installed on the transport control box; a moving position electronic tag is arranged on the support track; the card reader and the walking driving motor are electrically connected with the transport control box; the battery module is used for supplying power to the transport control box, the card reader and the walking driving motor; the card reader is used for reading tag information of the moving position electronic tag.

[0009] Further, the mobile support unit comprises a track mover, a strip 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 rod and a plurality of workpiece support short rods; the track mover is movably mounted on the support track, and the strip adjusting seat is fixed on the top of the track mover; the second connecting rod is swingably connected between the two track movers; the self-adjusting sliding groove is arranged on the strip adjusting seat, and 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, and the upper end of the height adjusting column is threadedly rotatably mounted in 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, and 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 rod is fixed on the clamping extrusion fixed seat, the other end penetrates through each mounting ring piece and the clamping extrusion movable seat, and the clamping locking screw rod is parallel to the clamping guide groove; the extrusion locking nut is threadedly rotatably mounted on the clamping locking screw rod, and is used for locking and pressing the clamping extrusion movable seat.

[0010] Further, the folding paint spraying support comprises a suspension mounting plate, a swing driving motor, a swing driving screw rod, a swing sliding seat, a swing driving seat, two swing driving rods and two swing support arms; one swing mounting slot is arranged on each of the left and right side edges of the suspension mounting plate, and the middle portions of the two swing support arms are swingably hingedly mounted on the two swing mounting slots respectively; the swing driving sliding groove is transversely arranged on the upper side of the suspension mounting plate, the swing sliding seat is slidably mounted on the swing driving sliding groove, and the swing driving seat is fixed on the swing sliding seat; the swing driving screw rod is rotatably transversely mounted on the suspension mounting plate, and the swing driving screw rod is penetratively threadedly rotatably mounted on the swing driving seat; the swing driving motor is mounted on the suspension mounting plate and is used for rotatably driving the swing driving screw rod; one end of each of the two swing driving rods is swingably hingedly mounted on the swing connecting slot on the upper end of each of the two swing support arms, and the other end of each of the two swing driving rods is provided with one driving strip hole; one swing driving short shaft is arranged on each of the front and rear side surfaces of the swing driving seat, the two swing driving short shafts respectively extend into the driving strip holes of the two swing driving rods and can slide leftward and rightward along the driving strip holes; each of the spray head mechanisms is detachably mounted on the two swing support arms; the swing driving motor is driven and controlled by the paint spraying control box.

[0011] Further, the paint spraying device further comprises two automatic door mechanisms; the two automatic door mechanisms are mounted on the front and rear side surfaces of the paint spraying chamber shell respectively, and are used for closing the front and rear paint spraying access windows.

[0012] Compared with the prior art, the utility model has the advantages that: the workpiece supporting and conveying device can place the workpiece to be sprayed in a lifting mode and move along the annular track, on one hand, the stability of workpiece conveying can be ensured, and the spraying position of the workpiece will not be shielded, the comprehensiveness of surface spraying can be ensured, manual paint supplement is not needed in the later period, and the production efficiency is improved; through the cooperation of the longitudinal moving mechanism, the rotary driving mechanism and the folding paint spraying support, the workpiece can be sprayed from all sides at multiple angles, the comprehensiveness of workpiece spraying is ensured, and the spraying quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a system partial structure schematic view of the utility model;

[0014] Figure 2 It is a front view structure schematic view of the paint spraying device of the utility model;

[0015] Figure 3 It is an internal structure schematic view of the paint spraying device of the utility model;

[0016] Figure 4 It is a front view structure schematic view of the folding paint spraying support of the utility model;

[0017] Figure 5 It is a left view structure schematic view of the folding paint spraying support of the utility model;

[0018] Figure 6 It is a partial structure schematic view of the paint conveying mechanism of the utility model;

[0019] Figure 7 It is a whole structure schematic view of the workpiece supporting and conveying device of the utility model;

[0020] Figure 8 It is a conveying driving unit installation structure schematic view of the utility model;

[0021] Figure 9 It is a battery module installation structure schematic view of the utility model;

[0022] Figure 10 It is a workpiece multi-point supporting unit installation structure schematic view of the utility model;

[0023] Figure 11 It is a workpiece multi-point supporting unit structure schematic view of the utility model;

[0024] Figure 12 It is a circuit structure schematic view of the utility model. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described in detail below with reference to the drawings, but the protection scope of the utility model is not limited to the described embodiments.

[0026] As Figures 1-12 The utility model discloses a workpiece paint spraying system for coating production line includes: control cabinet 801, carries track mechanism, paint spraying device and a plurality of workpiece to transport device, paint spraying device includes paint spraying control box 303, paint spraying chamber shell 301, longitudinal movement mechanism, rotation drive mechanism, folding paint spraying support, two paint conveying mechanism and each spray head mechanism,

[0027] Carries track mechanism and presents annular track arrangement, each workpiece to transport device is used for to hold type place each workpiece 100 to be sprayed and moves along annular track, paint spraying control box 303 is installed on the outer wall of paint spraying chamber shell 301, is provided with paint spraying in-out window 308 on the front and back side of paint spraying chamber shell 301, and annular track is penetrated paint spraying chamber shell 301 by two paint spraying in-out windows 308, longitudinal movement mechanism is fixedly installed on the inner top of paint spraying chamber shell 301, folding paint spraying support is rotatably installed on longitudinal movement mechanism, rotation drive mechanism is installed at the rotation joint of folding paint spraying support and longitudinal movement mechanism, and folding paint spraying support longitudinal movement is driven by longitudinal movement mechanism, and folding paint spraying support rotation is driven by rotation drive mechanism, each spray head mechanism is distributed and installed on folding paint spraying support, and each spray head mechanism is used to spray paint to workpiece 100, and folding paint spraying support is adjusted to the spray head mechanism, two paint conveying mechanisms are installed on the left and right side inner wall of paint spraying chamber shell 301 respectively, and are used to convey paint to each spray head mechanism, longitudinal movement mechanism, rotation drive mechanism, folding paint spraying support and two paint conveying mechanisms are all driven and controlled by paint spraying control box 303, and paint spraying control box 303 and each workpiece to transport device all are with control cabinet 801 wireless communication.

[0028] The workpiece to transport device can hold type place the workpiece 100 to be sprayed and move along the annular track, which can ensure the stability of the workpiece 100 transportation, and will not block the paint spraying position of the workpiece 100, can ensure the comprehensiveness of surface paint spraying, without manual paint supplementing in later period, improve production efficiency, the cooperation of longitudinal movement mechanism, rotation drive mechanism and folding paint spraying support can carry out all-around multi-angle paint spraying to the workpiece 100, ensure the comprehensiveness of workpiece 100 paint spraying, ensure the paint spraying quality.

[0029] Further, the carrying track mechanism includes a support track 601, a drive rack 602, and a plurality of track support frames 603. The track support frames 603 are fixed to the lower side of the support track 601 for horizontally supporting the support track 601. The support track 601 forms a closed loop structure. The drive rack 602 is fixed to the side of the support track 601 for cooperating with the workpiece to transport device for driving.

[0030] Further, the workpiece shipping device comprises a shipping control box 502, a shipping drive unit, a first connecting rod 505, a second connecting rod 506, two workpiece multi-point support units, and two mobile support units; the shipping control box 502 is installed on the shipping drive unit; the shipping drive unit and the two mobile support units are movably installed on the support rail 601; the first connecting rod 505 is swingably connected between the shipping drive unit and one of the mobile support units; the second connecting rod 506 is swingably connected between the two mobile support units; the two workpiece multi-point support units are respectively installed on the two mobile support units and used for multi-point supporting the workpiece 100; the shipping drive unit is used for cooperating with the drive rack 602 to realize mobile driving; the shipping drive unit is driven and controlled by the shipping control box 502; the shipping control box 502 is wirelessly connected with the control cabinet 801. The first connecting rod 505 and the second connecting rod 506 are sequentially connected with the shipping drive unit and the two mobile support units, so that the workpiece 100 can smoothly pass through the bending position of the annular rail; the two workpiece multi-point support units can multi-point support the two ends of the workpiece 100, thereby ensuring the stability of the workpiece 100.

[0031] Further, the shipping drive unit comprises a rail mover, a card reader 524, a walking drive motor 501, a walking drive gear 521, a gear mounting bracket 519, and an L-shaped side plate; the rail mover is movably installed on the support rail 601; the L-shaped side plate is installed on the rail mover; the gear mounting bracket 519 is fixed on the inner side of the L-shaped side plate; the walking drive gear 521 is rotatably installed on the gear mounting bracket 519; the walking drive motor 501 is installed on the gear mounting bracket 519 and used for driving the walking drive gear 521 to rotate; the walking drive gear 521 is engaged with the drive rack 602; the shipping control box 502 is installed on the top of the rail mover; the battery module 504 is detachably installed on the shipping control box 502; the mobile position electronic tag 604 is arranged on the support rail 601; the card reader 524 and the walking drive motor 501 are electrically connected with the shipping control box 502; the battery module 504 is used for supplying power to the shipping control box 502, the card reader 524, and the walking drive motor 501; the card reader 524 is used for reading the tag information of the mobile position electronic tag 604.

[0032] Further, the track mover comprises a U-shaped track seat 503, two side edge limiting rollers 511 and respective track walking support rollers 526; the U-shaped track seat 503 is invertedly buckled on the support track 601, the respective track walking support rollers 526 are rotatably installed on the inner walls of the vertical side plates of the U-shaped track seat 503 and support and walk on the upper and lower side surfaces of the two side track wings 605 of the support track 601; the two side edge limiting rollers 511 are respectively rotatably installed on the rectangular roller holes 507 on the two vertical side plates of the U-shaped track seat 503 and are used to support and walk on the vertical side edges of the track wings 605; the L-shaped side plates are installed on the vertical side plates of the U-shaped track seat 503 and are provided with reinforcing rib plates 525 at the installation positions; 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 edges during movement.

[0033] Further, the transport control box 502 is provided with a limiting groove 545 for placing the battery module 504 and a battery limiting seat 543 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; the battery locking screw 547 is threadedly and rotatably installed on the side edge of the transport control box 502, the battery locking hole 546 is provided on the side edge of the battery module 504, the end of the battery locking screw 547 extends into the battery locking hole 546, and the locking of the battery module 504 is realized. The cooperation of the limiting groove 545 and the battery limiting seat 543 can enhance the stability of the battery module 504; the cooperation of the battery locking hole 546 and the battery locking screw 547 can realize the locking of the battery module 504.

[0034] 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.

[0035] Further, the longitudinal moving mechanism comprises a longitudinal moving driving motor 305, a longitudinal moving strip seat 304, a longitudinal moving driving screw and a longitudinal moving suspension rod 306; the longitudinal moving strip seat 304 is fixedly installed on the inner top of the paint spraying chamber shell 301, and a suspension T-shaped sliding groove is longitudinally arranged on the lower side of the longitudinal moving strip seat 304; a suspension T-shaped sliding block is slidingly installed in the suspension T-shaped sliding groove; the longitudinal moving driving screw is rotatably installed in the suspension longitudinal sliding groove and is penetratingly and threadedly screwed on the suspension T-shaped sliding block; the upper end of the longitudinal moving suspension rod 306 is fixed on the suspension T-shaped sliding block, and the lower end of the longitudinal moving suspension rod 306 is rotatably installed on the suspension mounting plate 307 of the folding paint spraying support; the longitudinal moving driving motor 305 is installed on the longitudinal moving strip seat 304 and is used for rotatably driving the longitudinal moving driving screw; the longitudinal moving driving motor 305 is driven and controlled by the paint spraying control box 303. The rotating driving mechanism comprises a rotating driving motor 339, a rotating driving worm 338 and a rotating driving worm wheel 337; the rotating driving worm wheel 337 is fixedly installed on the longitudinal moving suspension rod 306, the rotating driving worm 338 is rotatably installed on the suspension mounting plate 307 of the folding paint spraying support, and the rotating driving worm 338 is engaged with the rotating driving worm wheel 337; the rotating driving motor 339 is installed on the suspension mounting plate 307 and is used for rotatably driving the rotating driving worm 338; the rotating driving motor 339 is driven and controlled by the paint spraying control box 303.

[0036] Further, the paint conveying mechanism comprises a paint inlet pipe 302, a paint distribution box 315, a sliding support beam 320 and a paint spraying sliding seat 314; the paint inlet pipe 302 is installed through the side wall of the paint spraying chamber shell 301, and a second electromagnetic valve 344 is installed on the paint inlet pipe 302; the sliding support beam 320 is fixed longitudinally on the inner side wall of the paint spraying chamber shell 301, and sliding limiting convex strips 321 are longitudinally arranged on the upper and lower middle sides of the sliding support beam 320; the paint spraying sliding seat 314 is movably buckled on the sliding support beam 320, and longitudinal movement support rollers 322 are rotatably installed on the paint spraying sliding seat 314, and the longitudinal movement support rollers 322 are distributed on both sides of the corresponding side sliding limiting convex strips 321, so as to ensure the stability of the longitudinal movement of the paint spraying sliding seat 314; the paint distribution box 315 is fixed on the paint spraying sliding seat 314; the paint distribution box 315 is connected to the suspension mounting plate 307 of the folding paint spraying support through a connecting cable 323, and the end of the connecting cable 323 is press-fixed through a bolt pressing seat 319; the paint inlet 318 of the paint distribution box 315 is connected to the paint inlet pipe 302 through a paint main hose 312, and each paint branch outlet 317 of the paint distribution box 315 is connected to each spray head mechanism through a paint branch hose 313; the second electromagnetic valve 344 is driven and controlled by the paint spraying control box 303. By cooperation of the connecting cable 323, the sliding support beam 320 and the paint spraying sliding seat 314, the paint distribution box 315 can move longitudinally with the folding paint spraying support, so as to avoid excessive pulling of the paint branch hose 313.

[0037] Further, the paint spraying device further comprises two automatic door mechanisms; the two automatic door mechanisms are respectively installed on the front and rear sides of the paint spraying chamber shell 301, and are used for closing the front and rear paint inlet and outlet windows 308.

[0038] Further, the automatic door mechanism comprises an entrance and exit door driving motor, a door plate supporting rail 407, a door plate driving chain 408, an upper side supporting strip 402, a lower side supporting strip 403, two supporting sprockets 409 and two door plates 401; the lower side supporting strip 403 of the paint spraying device is transversely installed below the lower side of the paint spraying entrance and exit window 308; the upper side supporting strip 402 of the paint spraying device is transversely installed above the upper side of the paint spraying entrance and exit window 308; a lower side limiting groove is transversely arranged on the upper side of the lower side supporting strip 403, and a strip-shaped limiting hole is transversely arranged on the upper side supporting strip 402; the lower sides of the two door plates 401 are movably inserted into the lower side limiting groove, and the upper ends of the two door plates 401 penetrate through the strip-shaped limiting hole; a respective transverse moving supporting roller 405 is arranged on the upper end of the two door plates 401, and each transverse moving supporting roller 405 supports and walks on the upper side supporting strip 402; the door plate supporting rail 407 is transversely installed above the upper side supporting strip 402; the two supporting sprockets 409 are rotatably installed at the two ends of the door plate supporting rail 407, and the door plate driving chain 408 is wound around the two supporting sprockets 409 to realize transmission; the entrance and exit door driving motor is used to drive one of the supporting sprockets 409 to rotate; one driving connecting block 406 is arranged on the upper end of each of the two door plates 401, and the two driving connecting blocks 406 are both slidably installed on the door plate supporting rail 407; the two driving connecting blocks 406 are connected with the upper side chain and the lower side chain of the door plate driving chain 408 through chain connecting strips respectively; the two door plates 401 are both provided with avoiding grooves 404 for avoiding the supporting rail 601 and the driving rack 602; the entrance and exit door driving motor of the paint spraying device is driven and controlled by the paint spraying control box 303. The two driving connecting blocks 406 are connected with the upper and lower door plate driving chains 408 respectively, so that the relative movement of the two door plates 401 is realized; the door plate supporting rail 407 can enhance the stability of the movement of the two driving connecting blocks 406.

[0039] Further, the folding paint spraying support comprises a suspension mounting plate 307, a swing driving motor 328, a swing driving screw 327, a swing sliding seat 324, a swing driving seat 325, two swing driving rods 309 and two swing supporting arms 310; one swing mounting notch 341 is arranged on each of the left and right side edges of the suspension mounting plate 307, and the middle portions of the two swing supporting arms 310 are swingingly hingedly mounted on the two swing mounting notches 341 respectively; a swing driving sliding groove is horizontally arranged on the upper side of the suspension mounting plate 307, the swing sliding seat 324 is slidingly mounted on the swing driving sliding groove, and the swing driving seat 325 is fixed on the swing sliding seat 324; the swing driving screw 327 is rotatably horizontally mounted on the suspension mounting plate 307, and the swing driving screw 327 is penetratingly and threadedly screwed on the swing driving seat 325; the swing driving motor 328 is mounted on the suspension mounting plate 307 and is used to rotatably drive the swing driving screw 327; one end of each of the two swing driving rods 309 is swingingly hingedly mounted on the swing connecting notch 340 on the upper end of each of the two swing supporting arms 310, and the other end of each of the two swing driving rods 309 is provided with a driving slot 323; one swing driving short shaft 326 is arranged on each of the front and rear side faces of the swing driving seat 325, and the two swing driving short shafts 326 respectively extend into the driving slot 323 on each of the two swing driving rods 309 and can slide leftward and rightward in the driving slot 323; each of the spray head mechanisms is detachably mounted on each of the two swing supporting arms 310; the swing driving motor 328 is driven and controlled by the paint spraying control box 303. The two swing driving short shafts 326 are matched with the two driving slots 323 respectively, so that when one of the swing driving rods 309 is pulled to one side, the other swing driving rod 309 will not be pulled, so that only one of the swing supporting arms 310 can be driven to be raised each time according to the requirement, so as to avoid the workpiece 100, and the spray head mechanism on the other swing supporting arm 310 is used to spray paint on the end face of the workpiece 100.

[0040] Further, the spray head mechanism comprises a positioning sliding sleeve 311, a height positioning bolt 334 and a spray head pipe 316; the positioning sliding sleeve 311 is slidingly sleeved on the swing supporting arm 310, the height positioning bolt 334 is penetratingly and threadedly screwed on the positioning sliding sleeve 311, and the end of the height positioning bolt 334 is pressed on the swing supporting arm 310 to realize positioning; a strip-shaped penetrating hole 342 is arranged on the swing supporting arm 310, and a rectangular penetrating hole 343 is arranged on the positioning sliding sleeve 311; an angle adjusting support 333 is arranged at the rectangular penetrating hole 343, and the spray head pipe 316 is rotationally installed on the angle adjusting support 333 through an angle adjusting shaft; an angle positioning disc 335 is fixedly installed on the angle adjusting shaft, and an angle positioning bolt 336 is threadedly screwed on the angle adjusting support 333, and the end of the angle positioning bolt 336 is pressed on the angle positioning disc 335; a paint branch hose 313 is connected to one end of the spray head pipe 316 after penetrating through the rectangular penetrating hole 343 and the strip-shaped penetrating hole 342, and a paint nozzle 345 is installed on the other end of the spray head pipe 316. The height position of the spray head pipe 316 can be adjusted by the cooperation of the positioning sliding sleeve 311 and the height positioning bolt 334; the angle of the spray head pipe 316 can be adjusted and positioned by the cooperation of the angle positioning disc 335 and the angle positioning bolt 336. A limiting support mechanism is arranged on the lower side of the suspension mounting plate 307 and close to the swing mounting slot 341; the limiting support mechanism comprises a limiting support column 329, a rebound spring 331, a limiting support cross rod 330 and a limiting support fork head 332; the limiting support column 329 is fixed on the lower side of the suspension mounting plate 307, one end of the limiting support cross rod 330 is fixed on the limiting support column 329, and the other end is fixed on the limiting support fork head 332, and the swing supporting arm 310 is limited and supported by the limiting support fork head 332; one end of the rebound spring 331 is connected to the limiting support column 329, and the other end is connected to the swing supporting arm 310, and the swing supporting arm 310 is pulled close to the limiting support fork head 332 by the rebound spring 331. The swing supporting arm 310 can be pulled by the rebound spring 331, so that the stability of the swing supporting arm 310 is ensured during paint spraying.

[0041] The utility model discloses a workpiece paint spraying system for coating production line, and the main control coordination is relied on control cabinet 801, transportation control box 502 and paint spraying control box 303 mutual wireless communication coordination and is completed. Control cabinet 801 is provided with main control unit, memory, main wireless communication module, display screen and button panel, and main control unit is connected with memory, main wireless communication module, display screen and button panel electricity respectively, paint spraying control box 303 is provided with third control unit, third wireless communication module, rotary drive circuit, swing drive circuit, longitudinal shift drive circuit and two access door drive circuit, and third control unit is connected with second electromagnetic valve 344, third wireless communication module, rotary drive circuit, swing drive circuit, longitudinal shift drive circuit and two access door drive circuit electricity respectively, and third control unit drives and control rotary drive motor 339, swing drive motor 328 and longitudinal shift drive motor 305 through rotary drive circuit, swing drive circuit and longitudinal shift drive circuit respectively, and third control unit drives and control two access door drive motor of paint spraying device through two access door drive circuit, and transportation control box 502 is provided with fifth control unit, fifth wireless communication module and walking drive circuit, and fifth control unit is connected with card reader 524, fifth wireless communication module and walking drive circuit electricity respectively, and fifth control unit drives and control walking drive motor 501 through walking drive circuit, and main wireless communication module is connected with third wireless communication module and fifth wireless communication module wireless communication respectively.

[0042] The utility model discloses a workpiece paint spraying system for coating production line when running, first by the worker according to the model of workpiece 100 to each workpiece support short pole 535's support angle is adjusted, so that two workpiece multi -point support unit can to workpiece 100 carry out stable multi -point support, again by the worker will each workpiece 100 that is to be paint sprayed place to each workpiece to transport device's two workpiece multi -point support unit,

[0043] Control cabinet 801 starts through button panel, and each workpiece to transport device is started in order according to the time sequence of setting by main control unit, and the control signal is sent to corresponding fifth control unit by main control unit through the wireless communication of main wireless communication module and fifth wireless communication module, and fifth control unit controls walking drive motor 501 and starts work, so that corresponding workpiece to transport device holds one workpiece 100 that is to be paint sprayed and moves along support rail 601,

[0044] When the workpiece 100 moves to the paint spraying device along the support rail 601, the card reader 524 reads the moving position electronic tag 604 indicating the paint spraying position, the fifth controller controls the stop of the walking driving motor 501, and sends the information of reaching the paint spraying position to the main controller through wireless communication. The main controller sends the control signal to the third controller through the wireless communication between the main wireless communication module and the third wireless communication module, the third controller drives and controls the in-out door driving motor, so as to close the two paint spraying in-out windows 308 on the front and back sides. The third controller drives and controls the rotation driving motor 339, the swing driving motor 328, the longitudinal movement driving motor 305 and the second electromagnetic valve 344, first sprays the left and right side surfaces of the workpiece 100, then folds the swing support arm 310 on one side, and then rotates the suspension mounting plate 307 to spray the end of the workpiece 100 by using the various spray head mechanisms on the swing support arm 310 on the other side. After the paint spraying is completed, the third controller sends the information of completing the paint spraying to the main controller through wireless communication, controls the rotation driving motor 339, the swing driving motor 328 and the longitudinal movement driving motor 305 to stop working, and controls the two in-out door driving motors to open the two paint spraying in-out windows 308. The main controller sends the control command to the fifth controller, and the fifth controller controls the walking driving motor 501 to start working, so that the corresponding workpiece conveying device lifts the workpiece 100 to continue moving along the support rail 601 to the unloading side, and the worker can take down the workpiece 100.

[0045] As described above, although the present application has been described and represented with reference to specific preferred embodiments, it should not be construed as a limitation of the present application itself. Various changes can be made in form and details without departing from the spirit and scope of the present application defined in the appended claims.

Claims

1. A workpiece paint spraying system for a finishing line, characterized by: Including control cabinet (801), carrying track mechanism, paint spraying device and multiple workpiece carrying devices; the paint spraying device comprises a paint spraying control box (303), a paint spraying chamber shell (301), a longitudinal movement mechanism, a rotary driving mechanism, a foldable paint spraying support, two paint conveying mechanisms and respective spray head mechanisms; The carrying track mechanism is arranged in a ring shape; each workpiece carrying device is used for placing each workpiece (100) to be painted in a lifting manner and moving along the ring-shaped track; the paint spraying control box (303) is installed on the outer wall of the paint spraying chamber shell (301), paint spraying in-out windows (308) are arranged on the front and back sides of the paint spraying chamber shell (301), and the ring-shaped track penetrates through the paint spraying chamber shell (301) through the two paint spraying in-out windows (308); the longitudinal movement mechanism is fixedly installed on the inner top of the paint spraying chamber shell (301), the foldable paint spraying support is rotatably installed on the longitudinal movement mechanism, the rotary driving mechanism is installed at the rotary connection position of the foldable paint spraying support and the longitudinal movement mechanism, the foldable paint spraying support is driven to move longitudinally by the longitudinal movement mechanism and is driven to rotate by the rotary driving mechanism; the respective spray head mechanisms are distributed and installed on the foldable paint spraying support, paint is sprayed onto the workpiece (100) by the respective spray head mechanisms, and the spray head mechanisms are adjusted by folding the foldable paint spraying support; the two paint conveying mechanisms are respectively installed on the left and right inner walls of the paint spraying chamber shell (301) and are used for conveying paint to the respective spray head mechanisms; the longitudinal movement mechanism, the rotary driving mechanism, the foldable paint spraying support and the two paint conveying mechanisms are all driven and controlled by the paint spraying control box (303); the paint spraying control box (303) and the respective workpiece carrying devices all wirelessly communicate with the control cabinet (801).

2. A workpiece paint spraying system for a finishing line as claimed in claim 1, characterized in that: The carrying track mechanism comprises a support track (601), a driving rack (602) and respective track support frames (603); 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 support track (601) forms a closed loop structure; 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.

3. A workpiece paint spraying system for a finishing line as claimed in 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 all 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; The two workpiece multi-point support units are respectively installed on the two moving support 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 movement driving; the transportation driving unit is driven and controlled by the transportation control box (502), and the transportation control box (502) is wirelessly connected with the control cabinet (801).

4. A workpiece paint spraying system for a finishing line as claimed in 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 frame (519) and an L-shaped side plate; the track mover is movably mounted on a support track (601), and the L-shaped side plate is mounted on the track mover; the gear mounting frame (519) is fixed on the inner side of the L-shaped side plate, and the walking driving gear (521) is rotatably mounted on the gear mounting frame (519); the walking driving motor (501) is mounted on the gear mounting frame (519) and used to drive the walking driving gear (521) to rotate; the walking driving gear (521) is engaged with a driving rack (602); a transportation control box (502) is mounted on the top of the track mover; a battery module (504) is detachably mounted on the transportation control box (502); a moving position electronic tag (604) is arranged on the support track (601); 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 to the transportation control box (502), the card reader (524) and the walking driving motor (501), and the card reader (524) is used to read tag information of the moving position electronic tag (604).

5. A workpiece paint spraying system for a finishing line as defined in claim 3, characterized in that: 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 rod (532) and a plurality of workpiece support short rods (535); the track mover is movably mounted on a support track (601), and the strip-shaped adjusting seat (539) is fixed on the top of the track mover; a second connecting rod (506) is swingably connected between the two track movers; a 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); a internally-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 internally-threaded adjusting pipe (508); a clamping guide groove (528) is arranged on the clamping mounting seat (510), a clamping guide sliding block (529) is slidably mounted on the clamping guide groove (528), and a clamping extrusion movable seat (531) is arranged on the clamping guide sliding block (529); an installation ring piece (537) is arranged on the lower end of the workpiece support short rod (535); a clamping extrusion fixed seat (530) is arranged on the clamping mounting seat (510), one end of the clamping locking screw rod (532) is fixed on the clamping extrusion fixed seat (530), the other end penetrates through each installation ring piece (537) and the clamping extrusion movable seat (531), and the clamping locking screw rod (532) is parallel to the clamping guide groove (528); an extrusion locking nut (534) is threadedly rotatably mounted on the clamping locking screw rod (532), and is used for locking and pressing the clamping extrusion movable seat (531).

6. A workpiece paint spraying system for a finishing line as defined in claim 1, characterized in that: The folding paint spraying support comprises a suspension mounting plate (307), a swing driving motor (328), a swing driving screw (327), a swing sliding seat (324), a swing driving seat (325), two swing driving rods (309) and two swing supporting arms (310); one swing mounting notch (341) is arranged on the left and right side edges of the suspension mounting plate (307), and the middle parts of the two swing supporting arms (310) are swingingly hingedly mounted on the two swing mounting notches (341); a swing driving sliding groove is horizontally arranged on the upper side of the suspension mounting plate (307), the swing sliding seat (324) is slidingly mounted on the swing driving sliding groove, and the swing driving seat (325) is fixed on the swing sliding seat (324); the swing driving screw (327) is rotatably horizontally mounted on the suspension mounting plate (307), and the swing driving screw (327) is threadedly penetrated and mounted on the swing driving seat (325); the swing driving motor (328) is mounted on the suspension mounting plate (307) and is used for rotatably driving the swing driving screw (327); one end of each of the two swing driving rods (309) is swingingly hingedly mounted on the swing connecting notch (340) on the upper end of each of the two swing supporting arms (310), and the other end of each of the two swing driving rods (309) is provided with a driving strip-shaped hole (323); one swing driving short shaft (326) is arranged on the front and rear side faces of the swing driving seat (325), the two swing driving short shafts (326) respectively extend into the driving strip-shaped holes (323) in the two swing driving rods (309) and can slide leftward and rightward along the driving strip-shaped holes (323), and each spray head mechanism is detachably mounted on the two swing supporting arms (310); the swing driving motor (328) is driven and controlled by a paint spraying control box (303).

7. A workpiece paint spraying system for a finishing line as defined in claim 1, characterized in that: The paint spraying device further comprises two automatic door mechanisms; the two automatic door mechanisms are mounted on the front and rear side faces of the paint spraying chamber shell (301) and are used for closing the front and rear paint spraying access windows (308).

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