Workpiece drying system for coating production line

Abstract

The utility model discloses a workpiece drying system for a coating production line. The workpiece drying system comprises a carrying track mechanism, a drying device and a plurality of workpiece consignment devices. The carrying track mechanism is arranged in an annular track mode. The drying device comprises a drying control box, a drying chamber shell, a hot air conveying mechanism, an exhaust mechanism, a top air supply mechanism and two side air supply mechanisms. According to the workpiece drying system, workpieces to be dried can be placed in a lifting mode through the workpiece carrying device and move along the annular track, on one hand, the stability of workpiece conveying can be guaranteed, the workpieces can stay at the drying position in the drying chamber shell during drying, the comprehensiveness of surface drying is guaranteed, and a lengthy drying chamber does not need to be built; and multi-angle hot air drying can be achieved through the top air supply mechanism and the two side air supply mechanisms, and the drying effect is guaranteed.

Description

TECHNICAL FIELD

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

[0002] Before transporting the workpiece to the paint spraying room, the workpiece needs to be cleaned, and then the cleaned workpiece is dried, so as to ensure the coating quality of the workpiece. However, in the existing flow type transportation mode, the workpiece is always kept in a moving state. In order to ensure the drying effect, the drying chamber must be very long. This will inevitably cause the production line to be too long, occupy a large space, and increase the cost of the production line. Therefore, it is necessary to design a workpiece drying system for coating production line, which can dry the workpiece in a stationary state and ensure the drying effect. SUMMARY

[0003] The utility model aims at providing a workpiece drying system for coating production line, which can dry the workpiece in a stationary state and ensure the drying effect.

[0004] Technical scheme: The utility model discloses a workpiece drying system for coating production line, which comprises a carrying track mechanism, a drying device and a plurality of workpiece carrying devices. The carrying track mechanism is arranged in a ring track. The drying device comprises a drying control box, a drying chamber shell, a hot air conveying mechanism, an exhaust mechanism, a top air supply mechanism and two side air supply mechanisms. One drying access window is arranged on the front and rear sides of the drying chamber shell. The drying control box is installed on the outer wall of the drying chamber shell. The ring track penetrates the drying access windows on the front and rear sides. The top air supply mechanism is installed on the inner top of the drying chamber shell and located above the penetration section of the ring track. The two side air supply mechanisms are installed on the left and right inner walls of the drying chamber shell and located on the left and right sides of the penetration section of the ring track. The top air supply mechanism is connected to the two side air supply mechanisms through a communication air pipe. The hot air conveying mechanism is installed on the outer top of the drying chamber shell and connected to the top air supply mechanism through a main air supply pipe. The exhaust mechanism is installed on the lower part of the drying chamber shell and used for exhausting the hot and humid air flow in the drying chamber shell. Each workpiece carrying device is used for placing each workpiece to be dried in a lifting manner and passing through the drying device along the ring track. The hot air conveying mechanism and the exhaust mechanism are driven and controlled by the drying control box. The drying control box is wirelessly connected to each workpiece carrying device.

[0005] Further, the carrying track mechanism comprises a support track, a driving rack and each track support frame. The track support frame is 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.

[0006] Further, the workpiece conveying device comprises a conveying control box, a conveying driving unit, a first connecting rod, a second connecting rod, two workpiece multi-point supporting units and two moving supporting units; the conveying control box is installed on the conveying driving unit; the conveying driving unit and the two moving supporting units are movably installed on the supporting track; the first connecting rod is swing-connected between the conveying driving unit and one of the moving supporting units; 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 supporting the workpiece at multiple points; the conveying driving unit is used for being driven by the driving rack to move; the conveying driving unit is driven and controlled by the conveying control box; and the conveying control box is in wireless communication connection with the drying control box.

[0007] Further, the conveying driving unit comprises a track mover, a card reader, a walking driving motor, a walking driving 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; the walking driving gear is rotatably installed on the gear mounting rack; the walking driving motor is installed on the gear mounting rack and used for driving the walking driving gear to rotate; the walking driving gear is in mesh with the driving rack; the conveying control box is installed on the top of the track mover; the battery module is detachably installed on the conveying control box; the moving position electronic tag is arranged on the supporting track; the card reader and the walking driving motor are in electrical connection with the conveying control box; the battery module is used for supplying power to the conveying control box, the card reader and the walking driving motor; and the card reader is used for reading 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 of the clamping locking screw penetrates through the mounting ring pieces and the clamping extrusion movable seat and 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, the side air supply mechanism is provided with an air direction adjusting mechanism for adjusting the air outlet direction; an automatic door mechanism is installed on the front and rear sides of the drying chamber shell for closing the front and rear drying windows.

[0010] Compared with the prior art, the utility model has the advantages that: the workpiece conveying device can place the workpiece to be dried in a lifting mode and move along the annular track, which can ensure the stability of workpiece conveying and the workpiece can stay at the drying position in the drying chamber shell during drying, ensuring the comprehensiveness of surface drying without the need to build a long drying chamber; the top air supply mechanism and the two side air supply mechanisms can realize multi-angle hot air drying, ensuring the drying effect. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a system local structure schematic view of the utility model;

[0012] Figure 2 It is a front view structure schematic view of the drying device of the utility model;

[0013] Figure 3 It is an internal structure schematic view of the drying device of the utility model;

[0014] Figure 4 It is a top air supply mechanism and side air supply mechanism installation structure schematic view of the utility model;

[0015] Figure 5 It is an internal structure schematic view of the side air supply mechanism of the utility model;

[0016] Figure 6 It is an adjusting support block installation structure schematic view of the utility model;

[0017] Figure 7 It is a workpiece conveying device structure schematic view of the utility model;

[0018] Figure 8 It is a front view structure schematic view of the moving support unit of the utility model;

[0019] Figure 9 It is a workpiece multi-point support unit installation structure schematic view of the utility model;

[0020] Figure 10 It is a right view structure schematic view of the workpiece multi-point support unit of the utility model;

[0021] Figure 11 It is a battery module installation structure schematic view of the utility model;

[0022] Figure 12 It is a circuit structure schematic view of the utility model. Detailed Implementation

[0023] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings, but the protection scope of this utility model is not limited to the described embodiments.

[0024] like Figures 1-12 As shown, the workpiece drying system for a coating production line disclosed in this utility model includes: a transport track mechanism, a drying device, and multiple workpiece transport devices; the transport track mechanism is arranged in a ring track; the drying device includes a drying control box 211, a drying chamber shell 201, a hot air conveying mechanism, an exhaust mechanism, a top air supply mechanism, and two side air supply mechanisms; a drying inlet / outlet window 217 is provided on both the front and rear sides of the drying chamber shell 201, the drying control box 211 is installed on the outer wall of the drying chamber shell 201, and the ring track passes through the drying inlet / outlet windows 217 on the front and rear sides; the top air supply mechanism is installed on the inner top of the drying chamber shell 201 and is located above the section through which the ring track passes; the two side air supply mechanisms... The drying chamber shell 201 is installed on the left and right inner walls and located on the left and right sides of the circular track through section; the top air supply mechanism is connected to the two side air supply mechanisms through the ventilation pipe 208; the hot air conveying mechanism is installed on the outer top of the drying chamber shell 201 and is connected to the top air supply mechanism through the main air supply pipe 205; the exhaust mechanism is installed at the lower part of the drying chamber shell 201 to exhaust the hot and humid airflow inside the drying chamber shell 201; each workpiece transport device is used to lift and place each workpiece 100 to be dried and pass through the drying device along the circular track; the hot air conveying mechanism and the exhaust mechanism are both driven and controlled by the drying control box 211, which is wirelessly connected to each workpiece transport device.

[0025] The workpiece transport device can lift and place the workpiece 100 to be dried and move it along the circular track. This ensures the stability of the workpiece 100 during transport and allows it to remain in the drying position inside the drying chamber shell 201 during drying, ensuring comprehensive surface drying without the need to construct a lengthy drying chamber. The top air supply mechanism and two side air supply mechanisms enable multi-angle hot air drying, ensuring the drying effect.

[0026] Furthermore, the transport track mechanism includes a support track 601, a drive rack 602, and various track support frames 603; the track support frames 603 are fixed on the lower side of the support track 601 to provide horizontal support for 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 to cooperate with the workpiece transport device for driving.

[0027] Further, the workpiece conveying device comprises a conveying control box 502, a conveying driving unit, a first connecting rod 505, a second connecting rod 506, two workpiece multi-point supporting units and two moving supporting units; the conveying control box 502 is installed on the conveying driving unit, the conveying driving unit and the two moving supporting units are movably installed on the supporting track 601, the first connecting rod 505 is swingably connected between the conveying driving unit and one of the moving supporting units, and 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 for multi-point supporting the workpiece 100; the conveying driving unit is used for cooperating with the driving rack 602 to realize movement driving; the conveying driving unit is driven and controlled by the conveying control box 502, and the conveying control box 502 is in wireless communication connection with the drying control box 211. The first connecting rod 505 and the second connecting rod 506 are sequentially connected with the conveying driving unit and the two moving supporting units, so that the workpiece 100 can smoothly pass through the bending position of the annular track; the two workpiece multi-point supporting units can multi-point support the two ends of the workpiece 100, and the stability of the workpiece 100 is ensured.

[0028] Further, the conveying 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 installed on the supporting track 601, and the L-shaped side plate is installed on the track mover; the gear mounting frame 519 is fixed on the inner side surface of the L-shaped side plate, and the walking driving gear 521 is rotatably installed on the gear mounting frame 519; the walking driving motor 501 is installed on the gear mounting frame 519 and is used for driving the walking driving gear 521 to rotate; the walking driving gear 521 is engaged with the driving rack 602; the conveying control box 502 is installed on the top of the track mover; the battery module 504 is detachably installed on the conveying control box 502; the moving position electronic tag 604 is arranged on the supporting track 601; the card reader 524 and the walking driving motor 501 are electrically connected with the conveying control box 502, the battery module 504 is used for supplying power to the conveying control box 502, the card reader 524 and the walking driving motor 501, and the card reader 524 is used for reading the tag information of the moving position electronic tag 604.

[0029] 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 for supporting and walking 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.

[0030] 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.

[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 air direction adjusting mechanism is arranged on the side air supply mechanism, for adjusting the air outlet direction; the automatic door mechanism is mounted on the front and rear sides of the drying chamber shell 201, for closing the front and rear drying access windows 217. By the two automatic door mechanisms, the front and rear drying access windows 217 can be opened and closed, so as to facilitate the workpiece conveying device to enter and exit, and reduce the heat loss during drying.

[0033] Further, the hot air conveying mechanism comprises a hot air box 202, an air inlet hopper 203 and an air filter screen plate 204; the hot air box 202 is installed on the outer top of the drying chamber shell 201, the air inlet of the hot air box 202 is communicated with the air inlet hopper 203, the air filter screen plate 204 covers the top opening of the air inlet hopper 203, and is used for filtering the air inlet; the air outlet of the hot air box 202 is communicated with the air supply main pipe 205; the air exhaust mechanism comprises an air exhaust fan 212 and two strip-shaped air collecting boxes 213; the two strip-shaped air collecting boxes 213 are respectively installed on the left and right sides of the lower part of the drying chamber shell 201, air collecting windows are arranged on the opposite sides of the two strip-shaped air collecting boxes 213, and air uniforming hole plates 214 are installed on the air collecting windows; the two strip-shaped air collecting boxes 213 are communicated with the air inlet of the air exhaust fan 212 through air exhaust pipes 215; the hot air box 202 and the air exhaust fan 212 are driven and controlled by the drying control box 211.

[0034] Further, the top air supply mechanism comprises a top air box 206 and an air box hanger 219; the top air box 206 is installed on the inner top of the drying chamber shell 201 through the air box hanger 219; a top air outlet 207 is vertically arranged on the lower side of the top air box 206; the side air supply mechanism comprises side air boxes 209 and air box supports 210; the side air boxes 209 are installed on the inner wall of the drying chamber shell 201 through the air box supports 210; side air blowing windows 220 are arranged on the opposite side walls of the two side air boxes 209; an air direction adjusting mechanism is installed at the side air blowing windows 220; a communication air pipe 208 is connected between the top air box 206 and the side air boxes 209.

[0035] Further, the wind direction adjusting mechanism comprises the adjusting support column 222, the adjusting support blocks 223 and the rectangular air guide plates 218; the front and back ends of the rectangular air guide plates 218 are rotatably installed on the inner walls of the front and back sides of the side air box 209 through the end face support short shafts 221, and the rectangular air guide plates 218 extend out of the side blowing window 220; the adjusting support column 222 is rotatably vertically installed in the side air box 209, and the lower end extends out of the side air box 209, and the adjusting handle 216 is arranged on the extending end; the adjusting external thread 225 is arranged on the adjusting support column 222, the lifting adjusting screw holes 227 are vertically arranged on each adjusting support block 223, and the adjusting support column 222 is threadedly and rotatably installed on the lifting adjusting screw holes 227 through the adjusting external thread 225; the adjusting sliding grooves 224 are horizontally arranged on the front and back outer walls of the adjusting support blocks 223, and the rectangular adjusting notches 226 are arranged on the inner sides of the middle parts of the rectangular air guide plates 218; the adjusting support blocks 223 are located at the rectangular adjusting notches 226, and the sliding type adjusting support short columns 228 are arranged on the groove edges of the rectangular adjusting notches 226 and extend into the adjusting sliding grooves 224. Through the wind direction adjusting mechanism, the hot air direction can be adjusted according to the size and model of the workpiece 100, so as to ensure the drying effect of the workpiece 100; through the cooperation of the adjusting support blocks 223 and the adjusting external thread 225, the synchronous adjustment of the rectangular air guide plates 218 can be realized.

[0036] 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 is transversely installed below the lower side edge of the drying entrance and exit window 217; the upper side supporting strip 402 is transversely installed above the upper side edge of the drying entrance and exit window 217; 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 side edges 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 plurality of transverse moving supporting rollers 405 are arranged on the upper ends 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; an avoiding groove 404 for avoiding the supporting rail 601 and the driving rack 602 is arranged on each of the two door plates 401; and the entrance and exit door driving motor is driven and controlled by the drying control box 211. The two driving connecting blocks 406 are connected with the upper and lower door plate driving chains 408, respectively, so as to realize the relative movement of the two door plates 401; and the door plate supporting rail 407 can enhance the stability of the movement of the two driving connecting blocks 406.

[0037] The utility model discloses a workpiece drying system for coating production line, and the main control coordination is completed by the mutual wireless communication coordination of transportation control box 502 and drying control box 211. Transportation control box 502 is provided with the fifth controller, the fifth wireless communication module and walking drive circuit, and the fifth controller is electrically connected with card reader 524, the fifth wireless communication module and walking drive circuit respectively, and the fifth controller drives and control walking drive motor 501 through walking drive circuit. Drying control box 211 is provided with the second controller, the second wireless communication module, the first electric control switch, the second fan drive circuit and two access door drive circuits, and the second controller is electrically connected with the second wireless communication module, the first electric control switch, the second fan drive circuit and two access door drive circuits respectively, and the second controller controls the start and stop of hot blast box 202 through the first electric control switch, and the second controller controls the start and stop of exhaust fan 212 through the second fan drive circuit, and the second controller drives and control two access door drive motors of drying device through two access door drive circuits respectively. The fifth wireless communication module is connected with the second wireless communication module in wireless communication.

[0038] The utility model discloses a workpiece drying system for coating production line, and the main control coordination is completed by the mutual wireless communication coordination of transportation control box 502 and drying control box 211. Transportation control box 502 is provided with the fifth controller, the fifth wireless communication module and walking drive circuit, and the fifth controller is electrically connected with card reader 524, the fifth wireless communication module and walking drive circuit respectively, and the fifth controller drives and control walking drive motor 501 through walking drive circuit. Drying control box 211 is provided with the second controller, the second wireless communication module, the first electric control switch, the second fan drive circuit and two access door drive circuits, and the second controller is electrically connected with the second wireless communication module, the first electric control switch, the second fan drive circuit and two access door drive circuits respectively, and the second controller controls the start and stop of hot blast box 202 through the first electric control switch, and the second controller controls the start and stop of exhaust fan 212 through the second fan drive circuit, and the second controller drives and control two access door drive motors of drying device through two access door drive circuits respectively. The fifth wireless communication module is connected with the second wireless communication module in wireless communication.

[0039] After the system starts, the fifth controller controls walking drive motor 501 to start working, so that the corresponding workpiece transport device holds a workpiece 100 to be dried and moves along the support rail 601. When the workpiece 100 moves to the drying device along the support rail 601, the card reader 524 reads the movement position electronic tag 604 in the drying chamber shell 201 indicating the drying position, the fifth controller controls the walking drive motor 501 to stop, and sends the information of reaching the drying position to the second controller through wireless communication. The second controller drives and controls the access door drive motor, so as to close the two drying access windows 217 on the front and back sides. Then, the second controller starts the hot blast box 202 and the exhaust fan 212, so that the hot air blows the surface of the workpiece 100, and the humid hot air is discharged from the exhaust fan 212. After the drying time is reached, the second controller sends the information of drying completion to the fifth controller through wireless communication, controls the hot blast box 202 and the exhaust fan 212 to stop working, and controls the two access door drive motors, so that the two drying access windows 217 are opened. Then, the fifth controller controls the walking drive motor 501 to start working, so that the corresponding workpiece transport device holds the workpiece 100 and continues to move along the support rail 601.

[0040] Although the present application has been described and expressed with reference to specific preferred embodiments, it is not to be construed as a limitation on the present application itself. Various changes in form and details can be made without departing from the spirit and scope of the present application as defined in the appended claims.

Claims

1. A workpiece drying system for a finishing line, characterized by: The device comprises a carrying track mechanism, a drying device and a plurality of workpiece carrying devices; the carrying track mechanism is arranged in a ring track; the drying device comprises a drying control box (211), a drying chamber shell (201), a hot air conveying mechanism, an exhaust mechanism, a top air supply mechanism and two side air supply mechanisms; one drying access window (217) is arranged on the front and rear sides of the drying chamber shell (201), the drying control box (211) is installed on the outer wall of the drying chamber shell (201), and the ring track penetrates the drying access windows (217) on the front and rear sides; the top air supply mechanism is installed on the inner top of the drying chamber shell (201) and located above the penetration section of the ring track; the two side air supply mechanisms are installed on the left and right inner walls of the drying chamber shell (201) and located on the left and right sides of the penetration section of the ring track; the top air supply mechanism is connected with the two side air supply mechanisms through a communication air pipe (208); the hot air conveying mechanism is installed on the outer top of the drying chamber shell (201) and connected with the top air supply mechanism through a main air supply pipe (205); the exhaust mechanism is installed on the lower part of the drying chamber shell (201) and used for exhausting the hot and humid air flow in the drying chamber shell (201); each workpiece carrying device is used for placing each workpiece (100) to be dried in a lifting mode and passing through the drying device along the ring track; the hot air conveying mechanism and the exhaust mechanism are driven and controlled by the drying control box (211), and the drying control box (211) is wirelessly connected with each workpiece carrying device.

2. The workpiece drying system for a finishing line of claim 1, wherein: The carrying track mechanism comprises a support track (601), a driving rack (602) and each track support frame (603); the track support frame (603) is fixed on the lower side of the support track (601) and 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 used for cooperating with the workpiece carrying device to drive.

3. The workpiece drying system for a finishing line of claim 2, wherein: 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 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 swing-connected between the transportation driving unit and one moving supporting unit, and the second connecting rod (506) is swing-connected between the two moving supporting units; The two workpiece multi-point supporting units are installed on the two moving supporting units and used for multi-point supporting the workpiece (100); the transportation driving unit is used for cooperating with the driving rack (602) to realize moving 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 drying control box (211).

4. The workpiece drying system for a finishing line of claim 2, wherein: 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 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 drying 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 drying system for a finishing line of claim 2, wherein: The air direction adjusting mechanism is arranged on the side air supply mechanism and is used for adjusting the air outlet direction; an automatic door mechanism is arranged on the front and rear sides of the drying chamber shell (201) and is used for closing the front and rear drying access windows (217).

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