Workpiece cleaning system for coating production line

Abstract

The utility model discloses a workpiece cleaning system for a coating production line. The workpiece cleaning system comprises a carrying track mechanism, a spraying cleaning device and a plurality of workpiece consignment devices. The carrying track mechanism is arranged in an annular track mode. Each workpiece consignment device is used for placing each workpiece to be sprayed in a lifting manner and moves along the annular track; the spray cleaning device comprises a spray control box, a spray chamber shell and a turnover type spray mechanism; and the turnover type spraying mechanism is used for spraying and cleaning the workpiece supported on the workpiece supporting and conveying device. According to the workpiece cleaning system, a workpiece to be cleaned can be placed in a lifting mode through the workpiece consignment device, can move along the annular rail and can stay at the spraying position during spraying cleaning, the comprehensiveness of surface spraying cleaning is guaranteed, and water resources cannot be wasted; and the overturning type spraying mechanism can be used for repeatedly cleaning the surface of the workpiece back and forth in an overturning manner, so that the comprehensiveness of cleaning the surface of the workpiece is effectively ensured.

Description

Technical Field

[0001] This utility model relates to a workpiece cleaning system, and more particularly to a workpiece cleaning system for a coating production line. Background Technology

[0002] Before transporting workpieces to the spray booth, they need to be cleaned to ensure the quality of the coating. However, in the existing flow transport method, the workpieces are always in motion. During cleaning, the workpieces only pass under the spray nozzles for cleaning, but when a part of the workpiece passes by, all the spray nozzles are turned on, which inevitably wastes water resources. Therefore, it is necessary to design a workpiece cleaning system for the coating production line that allows the workpieces to be repeatedly cleaned while they are stationary, ensuring cleaning quality and making full use of water resources. Utility Model Content

[0003] The purpose of this utility model is to provide a workpiece cleaning system for a coating production line, which enables the workpiece to be repeatedly cleaned while it is in a stationary state, ensuring cleaning quality and making full use of water resources.

[0004] Technical Solution: The workpiece cleaning system for a coating production line described in this utility model includes a transport track mechanism, a spray cleaning device, and multiple workpiece transport devices. The transport track mechanism is arranged in a circular track. Each workpiece transport device is used to lift and place each workpiece to be sprayed, and moves along the circular track. The spray cleaning device includes a spray control box, a spray chamber shell, and a flip-type spray mechanism. A spray inlet / outlet window is provided on both the front and rear sides of the spray chamber shell, and the circular track passes through the spray inlet / outlet windows on the front and rear sides. The flip-type spray mechanism is installed inside the spray chamber shell and near the spray inlet / outlet window at the entrance, and is used to spray and clean the workpieces lifted on the workpiece transport devices. The spray control box is installed on the outer wall of the spray chamber shell and is used to drive and control the flip-type spray mechanism. The spray control box is also wirelessly connected to each workpiece transport device.

[0005] Furthermore, the transport track mechanism includes a support track, a drive rack, and various track support frames; the track support frames are fixed to the lower side of the support track for horizontal support; the support track forms a closed loop structure; the drive rack is fixed to the side of the support track for cooperating with the workpiece transport device for driving.

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

[0007] Further, the shipping drive unit comprises a track mover, a card reader, a walking drive motor, a walking drive gear, a gear mounting rack and an L-shaped side plate; the track mover is movably installed on the supporting track; the L-shaped side plate is installed on the track mover; the gear mounting rack is fixed on the inner side of the L-shaped side plate on one side; the walking drive gear is rotatably installed on the gear mounting rack; the walking drive motor is installed on the gear mounting rack and used for driving the walking drive gear to rotate; the walking drive gear is engaged with the drive rack; the shipping control box is installed on the top of the track mover; the battery module is detachably installed on the shipping control box; the moving position electronic tag is arranged on the supporting track; the card reader and the walking drive motor are electrically connected with the shipping control box; the shipping control box, the card reader and the walking drive motor are powered by the battery module; the card reader reads the tag information of the moving position electronic tag.

[0008] Further, the moving supporting unit comprises a track mover, a strip-shaped adjusting seat, a self-adjusting sliding block and a height adjusting column; the workpiece multi-point supporting unit comprises a clamping mounting seat, a clamping locking screw and a plurality of workpiece supporting short rods; the track mover is movably installed on the supporting track; the strip-shaped adjusting seat is fixed on the top of the track mover; the second connecting rod is swing-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 installed on the self-adjusting sliding groove; the lower end of the height adjusting column is rotatably installed 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 installed in the inner threaded adjusting pipe; the clamping guide groove is arranged on the clamping mounting seat; the clamping guide sliding block is slidably installed 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 supporting 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 penetrates through each mounting ring piece and the clamping extrusion movable seat; the clamping locking screw is parallel to the clamping guide groove; the extrusion locking nut is threadedly installed on the clamping locking screw and used for locking and pressing the clamping extrusion movable seat.

[0009] Further, a water blowing mechanism is installed at the spray inlet window of the spray chamber shell and close to the outlet, for blowing the surface of the workpiece after spray cleaning; a water collecting groove is installed on the inner bottom of the spray chamber shell, for collecting the water droplets falling after spray and blowing; a recycled water pipe is communicated with the water collecting groove and extends out of the spray chamber shell.

[0010] Further, the turnover spray mechanism comprises a displacement driving motor, a spray main pipe, a synchronous moving shaft, two arc-shaped tracks and two spray displacement seats; the spray inlet pipe is installed through the side wall of the spray chamber shell, and the first electromagnetic valve is installed on the spray inlet pipe; the two arc-shaped tracks are installed vertically in the spray chamber shell through the spray installation column, and the two arc-shaped tracks are arranged above the annular track; the two spray displacement seats are movably installed on the two arc-shaped tracks, and the spray main pipe is longitudinally installed between the two spray displacement seats; the spray heads are installed at intervals on the spray main pipe; the spray connecting pipe is communicated with the middle part of the spray main pipe, and the spray connecting pipe is communicated with the spray inlet pipe through the spray hose; the arc-shaped racks are arranged on the outer arc-shaped edges of the two arc-shaped tracks; the front and rear ends of the synchronous moving shaft are rotatably installed on the two spray displacement seats, and the displacement driving gears are fixedly installed on the front and rear ends of the synchronous moving shaft, and the displacement driving gears are engaged with the arc-shaped racks at the corresponding positions; the displacement driving motor is installed on one of the spray displacement seats, and drives the synchronous moving shaft to rotate through the worm gear transmission mechanism; the displacement driving motor and the first electromagnetic valve are driven and controlled by the spray control box.

[0011] Compared with the prior art, the utility model has the advantages that: the workpiece conveying device can hold and place the workpiece to be cleaned and move along the annular track, which can ensure the stability of workpiece conveying, will not block the spray position of the workpiece, can stay at the spray position during spray cleaning, ensure the comprehensiveness of surface spray cleaning, and will not waste water resources; the turnover spray mechanism can clean the surface of the workpiece repeatedly, which can effectively ensure the comprehensiveness of workpiece surface cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a partial structure schematic view of the utility model;

[0013] Figure 2 It is a front view structure schematic view of the spray cleaning device of the utility model;

[0014] Figure 3 It is an internal structure schematic view of the spray cleaning device of the utility model;

[0015] Figure 4The utility model discloses a front view structure schematic drawing of turnover type spraying mechanism.

[0016] Figure 5 The utility model discloses a right view structure schematic drawing of turnover type spraying mechanism.

[0017] Figure 6 The utility model discloses a right view structure schematic drawing of workpiece transport device.

[0018] Figure 7 The utility model discloses a front view structure schematic drawing of workpiece transport device.

[0019] Figure 8 The utility model discloses a workpiece multi-point support unit installation structure schematic drawing.

[0020] Figure 9 The utility model discloses a right view structure schematic drawing of workpiece multi-point support unit.

[0021] Figure 10 The utility model discloses a battery module installation structure schematic drawing.

[0022] Figure 11 The utility model discloses a circuit structure schematic drawing. Specific implementation

[0023] The utility model discloses a front view structure schematic drawing of turnover type spraying mechanism.

[0024] As Figures 1-11 The utility model discloses a workpiece cleaning system for coating production line includes: carrying track mechanism, spraying cleaning device and a plurality of workpiece transport devices, carrying track mechanism is annular track arrangement, each workpiece transport device is used for holding type place each workpiece 100 for spraying and moves along annular track, spraying cleaning device includes spraying control box 106, spraying chamber shell 101 and turnover type spraying mechanism, is provided with a spraying access window 104 on the front and back side of spraying chamber shell 101, and annular track penetrates the spraying access window 104 of front and back side, turnover type spraying mechanism is installed in spraying chamber shell 101 and is close to the spraying access window 104 of entrance, is used for the spraying cleaning of workpiece 100 that holds on workpiece transport device, spraying control box 106 is installed on the outer wall of spraying chamber shell 101, is used for driving control turnover type spraying mechanism, and spraying control box 106 and each workpiece transport device wireless communication.

[0025] The workpiece carrying device can carry and place the workpiece 100 to be cleaned and move along the annular track, which can ensure the stability of the workpiece 100 transportation, will not block the spraying position of the workpiece 100, can stay at the spraying position during spraying cleaning, ensure the comprehensiveness of surface spraying cleaning, and will not waste water resources.

[0026] 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 on the lower side of the support track 601 and are used to horizontally support the support track 601. The support track 601 forms a closed loop structure. The drive rack 602 is fixed on the side of the support track 601 and is used to cooperatively drive the workpiece carrying device.

[0027] Further, the workpiece carrying device includes a transportation control box 502, a transportation driving unit, a first connecting rod 505, a second connecting rod 506, two workpiece multi-point supporting units, and two moving supporting units. The transportation control box 502 is installed on the transportation driving unit. The transportation 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 transportation driving unit and one moving supporting unit. The second connecting rod 506 is swingably 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 to multi-point support the workpiece 100. The transportation driving unit is used to cooperatively drive the movement with the drive rack 602. The transportation driving unit is driven and controlled by the transportation control box 502. The transportation control box 502 is wirelessly connected with the spraying control box 106. The first connecting rod 505 and the second connecting rod 506 are used to sequentially connect the transportation driving unit and the two moving supporting units, so that the workpiece carrying device can smoothly pass through the bending position of the annular track. The two workpiece multi-point supporting units are used to multi-point support the two ends of the workpiece 100, thereby ensuring the stability of the workpiece 100 support.

[0028] 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 an L-shaped side plate; the track mover is movably mounted on the support track 601, and the L-shaped side plate is mounted on the track mover; the gear mounting rack 519 is fixed on the inner side of the L-shaped side plate on one side, and 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 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 battery module 504 is detachably mounted on the transportation control box 502; the 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 the tag information of the moving position electronic tag 604.

[0029] Further, the track mover comprises a U-shaped track seat 503, two side 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 the walking on the upper and lower side surfaces of the track side wing 605 on the two sides of the support track 601; the two side limiting rollers 511 are rotatably mounted on the rectangular roller holes 507 on the two vertical side plates of the U-shaped track seat 503 and used to support the walking on the vertical side of the track side wing 605; the L-shaped side plate is mounted on the vertical side plate of the U-shaped track seat 503 and 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 limiting rollers 511 can reduce the frictional resistance of the side in the moving process.

[0030] Further, the transportation control box 502 is provided with a limiting groove 545 for placing the battery module 504, the battery limiting seat 543 is arranged at the center of the groove bottom of the limiting groove 545, the battery limiting groove 542 matched with the battery limiting seat 543 is arranged at the bottom of the battery module 504, the battery locking screw 547 is threadedly screwed on the side of the transportation control box 502, the battery locking hole 546 is arranged on the side 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, and the cooperation of the battery locking hole 546 and the battery locking screw 547 can realize the locking of the battery module 504.

[0031] 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 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 surfaces 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 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.

[0032] 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 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 surfaces 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 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.

[0033] Further, a water blowing mechanism is installed at the spray-in and out window 104 in the spray chamber shell 101 and close to the outlet, for blowing the water on the surface of the workpiece 100 after the spray cleaning; a water collecting groove 124 is installed on the inner bottom of the spray chamber shell 101, for collecting the water droplets after the spray and blowing; a water recycling pipe 105 is communicated on the water collecting groove 124, and the water recycling pipe 105 extends out of the spray chamber shell 101.

[0034] Further, the water blowing mechanism comprises a water blowing fan 103, a blowing main pipe 124 and a blowing box 122; the water blowing fan 103 is installed on the outer top of the spray chamber shell 101, the blowing box 122 is installed on the inner top of the spray chamber shell 101 through a blowing suspension rod, and the water blowing fan 103 is communicated with the blowing box 122 through the blowing main pipe 124; each blowing port 123 is vertically arranged on the lower side of the blowing box 122, to realize the blowing of the water droplets on the surface of the workpiece 100; the water blowing fan 103 is driven and controlled by the spray control box 106.

[0035] Further, the flip type spray mechanism comprises a displacement driving motor 107, a spray main pipe 113, a synchronous moving shaft 119, two arc-shaped tracks 115 and two spray displacement seats 111; a spray water inlet pipe 102 is installed through the side wall of the spray chamber shell 101, and a first electromagnetic valve 129 is installed on the spray water inlet pipe 102; the two arc-shaped tracks 115 are vertically installed in the spray chamber shell 101 through spray installation columns 118, and the two arc-shaped tracks 115 are arranged above the annular track; the two spray displacement seats 111 are movably installed on the two arc-shaped tracks 115, and the spray main pipe 113 is longitudinally installed between the two spray displacement seats 111; each spray head 121 is installed on the spray main pipe 113 at intervals; a spray connecting pipe 120 is communicated in the middle of the spray main pipe 113, the spray connecting pipe 120 is communicated with the spray water inlet pipe 102 through a spray hose 125; an arc-shaped rack 114 is arranged on the outer arc-shaped edge of each of the two arc-shaped tracks 115; the front and rear ends of the synchronous moving shaft 119 are rotatably installed on the two spray displacement seats 111, and a displacement driving gear 117 is fixedly installed on each of the front and rear ends of the synchronous moving shaft 119, and the displacement driving gear 117 is engaged with the arc-shaped rack 114 at the corresponding position; the displacement driving motor 107 is installed on one of the spray displacement seats 111, and drives the synchronous moving shaft 119 to rotate through a worm and gear transmission mechanism; the displacement driving motor 107 and the first electromagnetic valve 129 are driven and controlled by the spray control box 106. The synchronous moving shaft 119 can realize the synchronous rotation of the two displacement driving gears 117, ensure the synchronous movement of the two spray displacement seats 111, and ensure the stability of the spray water inlet pipe 102.

[0036] Further, the displacement support grooves 116 are arranged on the front and back sides of the arc-shaped track 115, and the displacement support rollers 112 that walk in the displacement support grooves 116 are rotatably arranged on the spray displacement seat 111, so that the moving resistance of the spray displacement seat 111 is effectively reduced. The position sensor 130 for detecting whether the workpiece 100 reaches the blowing position is arranged on the inner wall of the spray chamber shell 101 and is driven and controlled by the spray control box 106. The worm gear transmission mechanism comprises the displacement drive worm 109 rotatably arranged on the spray displacement seat 111 through the worm support 108 and the displacement drive worm gear 110 fixedly arranged on the synchronous moving shaft 119 and engaged with the displacement drive worm 109. The displacement drive motor 107 is used for driving the displacement drive worm 109 to rotate.

[0037] Further, the spray suspension mechanism is arranged on the inner top of the spray chamber shell 101 and comprises the strip-shaped displacement seat 126, the displacement suspension sliding block 128 and the suspension tension spring 127. The strip-shaped displacement seat 126 is transversely arranged on the inner top of the spray chamber shell 101, the displacement suspension sliding block 128 is slidably arranged on the strip-shaped displacement seat 126, the upper end of the suspension tension spring 127 is fixed on the displacement suspension sliding block 128, and the lower end is arranged on the spray hose 125 through a lifting ring and is used for suspending the spray hose 125, so that the spray hose 125 can move along with the spray main pipe 113 and the spray hose 125 is prevented from being scraped on the workpiece 100.

[0038] The workpiece cleaning system for the coating production line comprises a plurality of workpiece conveying devices, a spray chamber shell 101, a spray displacement seat 111, a spray main pipe 113, a spray hose 125, a blowing water fan 103, a position sensor 130, a displacement drive motor 107, a spray control box 106, a transport control box 502 and a walking driving motor 501. The workpiece conveying device comprises a workpiece supporting device 501, a fifth wireless communication module, a fifth control device and a walking driving circuit. The fifth control device is electrically connected with the card reader 524, the fifth wireless communication module and the walking driving circuit, and drives and controls the walking driving motor 501 through the walking driving circuit. The spray control box 106 comprises a first control device, a first wireless communication module, a displacement driving circuit, a first fan driving circuit, a first electromagnetic valve 129 and the position sensor 130. The first control device is electrically connected with the first wireless communication module, the displacement driving circuit and the first fan driving circuit, drives and controls the displacement drive motor 107 through the displacement driving circuit and drives and controls the blowing water fan 103 through the first fan driving circuit. The first wireless communication module and the fifth wireless communication module are wirelessly connected in network communication.

[0039] The workpiece cleaning system for the coating production line disclosed by the utility model is used in operation, first, the support angle of each workpiece support short rod 535 is adjusted by workers according to the model of the workpiece 100, so that the two workpiece multi-point support units can stably multi-point support the workpiece 100; then the workers place each workpiece 100 to be cleaned on the two workpiece multi-point support units of each workpiece carrying device;

[0040] After each workpiece carrying device starts to operate, when the card reader 524 reads the moving position electronic tag 604 indicating the spraying position, the fifth controller controls the walking driving motor 501 to stop, and sends the information of reaching the spraying position to the first controller through wireless communication, and controls the first electromagnetic valve 129 and the displacement driving motor 107 through the first controller, so that each spraying head 121 repeatedly sprays the workpiece 100 for multiple times, after spraying is completed, the first controller sends the spraying completion information to the fifth controller, and controls the first electromagnetic valve 129 and the displacement driving motor 107 to stop spraying, then the fifth controller controls the walking driving motor 501 to start working, so that the corresponding workpiece carrying device lifts the workpiece 100 to continue to move along the support rail 601, when the position sensor 130 detects that the workpiece 100 passes, the first controller controls the water blowing fan 103 to start working, and blows water on the surface of the workpiece 100, so that the surface water drop residue is reduced, finally, the workpiece carrying device lifts the workpiece 100 to move out of the spraying chamber shell 101.

[0041] As described above, although the utility model has been shown and expressed by referring to the specific preferred embodiment, it should not be interpreted as the limitation of the utility model itself. Various changes can be made to the form and details without departing from the spirit and scope of the utility model defined by the appended claims.

Claims

1. A workpiece cleaning system for a finishing line, characterized by: The utility model provides a kind of multi-point support type spray cleaning device, including carrying track mechanism, spray cleaning device and multiple workpiece carrying devices;Carrying track mechanism is annular track arrangement;Each workpiece carrying device is used to place each workpiece (100) to be sprayed in lifting type, and moves along annular track;Spray cleaning device includes spray control box (106), spray chamber shell (101) and turnover spray mechanism;One spray inlet and outlet window (104) is arranged on the front and rear sides of spray chamber shell (101), and annular track penetrates the spray inlet and outlet window (104) of front and rear sides;Turnover spray mechanism is installed in spray chamber shell (101) and is close to the spray inlet and outlet window (104) of entrance, for spraying and cleaning the workpiece (100) lifted on workpiece carrying device;Spray control box (106) is installed on the outer wall of spray chamber shell (101), for driving control to turnover spray mechanism, and spray control box (106) is wirelessly communicated with each workpiece carrying device.

2. The workpiece cleaning system for a finishing line of claim 1, wherein: Carrying track mechanism includes support rail (601), drive rack (602) and each track support frame (603);Track support frame (603) is fixed on the lower side of support rail (601), for supporting support rail (601) horizontally;Support rail (601) constitutes closed loop structure;Drive rack (602) is fixed on the side of support rail (601), for cooperating with workpiece carrying device to drive.

3. The workpiece cleaning system for a finishing line of claim 2, wherein: Workpiece carrying device includes transport control box (502), transport drive unit, first connecting rod (505), second connecting rod (506), two workpiece multi-point support units and two mobile support units;Transport control box (502) is installed on transport drive unit, and transport drive unit and two mobile support units are used to be movably installed on support rail (601), first connecting rod (505) is swing connected between transport drive unit and one mobile support unit, and second connecting rod (506) is swing connected between two mobile support units; Two workpiece multi-point support units are respectively installed on two mobile support units, for supporting workpiece (100) in multiple points;Transport drive unit is used to cooperate with drive rack (602) to realize mobile drive;Transport drive unit is driven and controlled by transport control box (502), and transport control box (502) is wirelessly communicated with spray control box (106).

4. The workpiece cleaning system for a finishing line of claim 2, wherein: Transport drive unit includes track mover, card reader (524), walking drive motor (501), walking drive gear (521), gear mounting bracket (519) and L-shaped side plate. The track mover is movably installed on the support track (601), and an L-shaped side plate is installed on the track mover; a gear mounting rack (519) is fixed on the inner side of the L-shaped side plate, and a walking driving gear (521) is rotatably installed on the gear mounting rack (519); a walking driving motor (501) is installed on the gear mounting rack (519) and used to drive the walking driving gear (521) to rotate; the walking driving gear (521) is engaged with the driving rack (602); a transportation control box (502) is installed on the top of the track mover; a battery module (504) is detachably installed 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), and 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 the tag information of the moving position electronic tag (604).

5. The workpiece cleaning system for a finishing line of claim 2, wherein: The moving support unit comprises the track mover, a strip-shaped adjusting seat (539), a self-adjusting sliding block (541) and a height adjusting column (509); and 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 installed 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 swing-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 installed on the self-adjusting sliding groove (540); the lower end of the height adjusting column (509) is rotatably installed 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 installed 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 installed 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); 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 installed on the clamping locking screw (532) and used to lock and press the clamping extrusion movable seat (531).

6. The workpiece cleaning system for a finishing line of claim 1, wherein: A water blowing mechanism is installed at the spray inlet window (104) near the outlet in the spray chamber shell (101) to blow the surface of the workpiece (100) after the spray cleaning; a water collecting groove (124) is installed on the inner bottom of the spray chamber shell (101) to collect the water droplets after the spray and blowing; a recycled water pipe (105) is communicated on the water collecting groove (124) and extends out of the spray chamber shell (101).

7. The workpiece cleaning system for a finishing line of claim 1, wherein: The turnover spray mechanism includes a displacement driving motor (107), a spray main pipe (113), a synchronous moving shaft (119), two arc-shaped tracks (115) and two spray displacement seats (111); the spray water inlet pipe (102) is installed through the side wall of the spray chamber shell (101) and the first electromagnetic valve (129) is installed on the spray water inlet pipe (102); the two arc-shaped tracks (115) are vertically installed in the spray chamber shell (101) through the spray installation column (118) and are arranged above the annular track; the two spray displacement seats (111) are movably installed on the two arc-shaped tracks (115) and the spray main pipe (113) is longitudinally installed between the two spray displacement seats (111); the spray heads (121) are installed on the spray main pipe (113) at intervals; the spray connecting pipe (120) is communicated in the middle of the spray main pipe (113) and is connected with the spray water inlet pipe (102) through the spray hose (125); the arc-shaped racks (114) are arranged on the outer arc-shaped edges of the two arc-shaped tracks (115); The front and rear ends of the synchronous moving shaft (119) are rotatably installed on the two spray displacement seats (111) and the displacement driving gears (117) are fixedly installed on the front and rear ends of the synchronous moving shaft (119); the displacement driving gears (117) are engaged with the arc-shaped racks (114) at the corresponding positions; the displacement driving motor (107) is installed on one of the spray displacement seats (111) and drives the synchronous moving shaft (119) to rotate through the worm gear transmission mechanism; the displacement driving motor (107) and the first electromagnetic valve (129) are driven and controlled by the spray control box (106).

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