Multi-line flexible board turn-over equipment and flexible board turn-over method

Abstract

The invention relates to a multi-line flexible board turn-over device and a flexible board turn-over method. The equipment comprises a rack, a plurality of flexible board turnover devices arranged at a feeding turnover station side by side in the transverse direction of the rack, a tray discharging device arranged at a tray discharging station of the rack and in butt joint with the flexible board turnover devices, and a plurality of flexible board detection devices arranged at a detection station side by side in the transverse direction of the rack and in butt joint with the tray discharging device. The tray stacking cover plate device is arranged at the tray stacking cover plate station of the rack and is in butt joint with the flexible plate detection devices, and the label pasting device is arranged at the labeling station of the rack and is in butt joint with the tray stacking cover plate device. According to the invention, the problems of low efficiency, high cost, inconvenience in operation, easy occurrence of wrong turning and missing turning and unsuitability for the automation trend of the current manufacturing industry when the flexible board product is turned manually can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of circuit board production, and in particular to a multi-line flexible board turning device and a flexible board turning method. Background Art

[0002] For some flexible circuit board (FPC) products, customers require that the side with the QR code (generally, the side with the QR code is called the front side) of the FPC products be shipped facing down. However, after the processing and testing of the FPC products are completed, they are generally in a front-side-up state. Therefore, before shipping such FPC products, they need to be flipped from the front-side-up state to the back-side-up state. In traditional technology, the FPC products are usually flipped manually, such as using tweezers to turn the FPC products over and place them on the shipping tray. This flipping method is limited by the proficiency of manual work, has low efficiency, and the labor cost is gradually increasing. The repetitive labor operation mode is not suitable for the current manufacturing industry; the products are small, manual operation is difficult, and it is easy to flip or miss the product. Summary of the invention

[0003] The present invention provides a multi-line flexo plate turning device and a flexo plate turning method, which can solve the technical problem that the traditional technology uses a manual method to turn over the flexo plate product, which is inefficient and low-cost, inconvenient to operate, prone to wrong turning or missing turning, and is not suitable for the current automation trend of the manufacturing industry.

[0004] In order to solve the above technical problems, the present invention provides a multi-line flexible plate flipping device, comprising:

[0005] A frame, wherein a loading and turning station, a tray unloading station, a detection station, a tray stacking and covering station, and a labeling station are sequentially arranged along the longitudinal direction of the frame;

[0006] A plurality of flexible plate turning devices are arranged side by side at the loading turning station along the horizontal direction of the frame; each of the flexible plate turning devices comprises a flexible plate turning frame arranged on the frame, a pallet turning conveying assembly arranged in the middle of the flexible plate turning frame, and a first pallet positioning assembly and a second pallet positioning assembly respectively arranged at the upper and lower sides of the flexible plate turning frame;

[0007] The pallet unloading device comprises a plurality of pallet unloading conveying assemblies arranged side by side at the pallet unloading station along the transverse direction of the frame, a pallet unloading docking station arranged on the outer side of the frame, and a pallet picking and placing assembly arranged along the transverse direction of the frame, wherein the pallet picking and placing assembly, the pallet unloading docking station, and the plurality of pallet unloading conveying assemblies are arranged correspondingly up and down, and the plurality of pallet unloading conveying assemblies and the plurality of pallet flipping conveying assemblies of the flexible plate flipping device are arranged one by one correspondingly;

[0008] A plurality of flexible plate detection devices are arranged side by side at the detection station along the horizontal direction of the frame; each of the flexible plate detection devices comprises a flexible plate detection conveying assembly docked with one of the pallet unloading conveying assemblies, a pallet detection lifting assembly arranged in the middle of the flexible plate detection conveying assembly, and a flexible plate detection camera assembly arranged on the frame and located above the flexible plate detection conveying assembly;

[0009] A pallet stacking cover plate device, comprising a plurality of pallet stacking conveying assemblies arranged side by side at the stacking cover plate station along the transverse direction of the frame, a pallet stacking storage assembly arranged at each of the pallet stacking conveying assemblies, a cover plate loading and unloading platform arranged on the outer side of the frame, and a cover plate picking and placing assembly arranged along the transverse direction of the frame, the cover plate picking and placing assembly and the cover plate loading and unloading platform, and the plurality of pallet stacking storage assemblies are all arranged correspondingly up and down, and the plurality of pallet stacking conveying assemblies and the plurality of flexible plate detection conveying assemblies of the flexible plate detection device are arranged one by one; and,

[0010] The labeling device comprises a plurality of labeling conveying assemblies arranged side by side at the labeling station along the horizontal direction of the frame, a label printer arranged below the labeling conveying assembly, a label lifting platform corresponding to the label printer, and a label picking and placing assembly arranged on the frame, wherein the label picking and placing assembly, the label lifting platform, and the plurality of labeling conveying assemblies are arranged correspondingly up and down, and the plurality of labeling conveying assemblies are arranged correspondingly to the plurality of tray stacking conveying assemblies.

[0011] The beneficial effects brought about by the technical solution provided by the present invention include:

[0012] The flexible plate product clamped by two pallets can be automatically turned over by multiple flexible plate turning devices, the extra pallet after turning over can be automatically removed and collected by a pallet unloading device, the flexible plate products on the pallets after turning over can be automatically checked by multiple flexible plate detection devices to detect whether the flexible plate products are accurately turned over, and the pallets carrying the correctly turned over flexible plate products can be automatically stacked and stored by a pallet stacking cover device, and the stacked multiple pallets can be automatically covered with covers, and labels can be automatically attached to the multiple pallets with covers by a label attaching device. The multi-line flexible plate turning equipment provided by the present invention can automatically turn over flexible plate products, which can not only greatly improve production efficiency, but also reduce operators and labor costs. The automatic turning operation is not affected by the quality of the operator, is simple and not prone to wrong turning or missed turning, and automated production is suitable for the current development trend of the manufacturing industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 The three-dimensional structure of the multi-line flexible plate flipping device according to the embodiment of the present invention Figure 1 ;

[0015] Figure 2 The three-dimensional structure of the multi-line flexible plate flipping device according to the embodiment of the present invention Figure 2 ;

[0016] Figure 3 The three-dimensional structure of the multi-line flexible plate flipping device according to the embodiment of the present invention Figure 3 ;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of multiple flexo plate flipping devices of the multi-line flexo plate flipping device according to an embodiment of the present invention;

[0018] Figure 5 A schematic diagram of the three-dimensional structure of a flexographic plate flipping device of a multi-line flexographic plate flipping device according to an embodiment of the present invention;

[0019] Figure 6 The three-dimensional structure diagram of the partial structure of the multi-line flexible plate flipping device according to the embodiment of the present invention Figure 1 ;

[0020] Figure 7 The three-dimensional structure diagram of the partial structure of the multi-line flexible plate flipping device according to the embodiment of the present invention Figure 2 ;

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the label attaching device of the multi-line flexible plate turning device according to the embodiment of the present invention;

[0022] Fig. 9 The figure is a schematic flow chart of the steps of the method for turning over a flexible plate according to an embodiment of the present invention.

[0023] In the figure: 10, multi-line flexible plate turning device; 100, frame; 200, flexible plate turning device; 210, flexible plate turning frame; 212, turning seat structure; 214, turning support frame; 216, turning drive structure; 220, tray turning conveying assembly; 222, turning conveying frame; 224, turning conveying substrate; 226, first turning conveyor belt; 228, second turning conveyor belt; 230, first tray positioning assembly; 232, positioning mounting plate; 234, positioning lifting drive structure; 236, positioning guide frame; 238, lifting positioning plate; 240, second tray positioning assembly; 300 , pallet unloading device; 310, pallet unloading conveying assembly; 312, unloading conveying seat; 314, unloading rack adjustment structure; 316, unloading conveying rack; 318, unloading conveyor belt; 320, pallet unloading docking station; 322, unloading platform; 324, unloading lifting drive structure; 326, unloading rack conveying structure; 330, pallet pick-up and place assembly; 332, pallet unloading support; 334, unloading horizontal linear drive member; 336, unloading lifting linear drive member; 338, unloading adsorption rack; 400, flexible plate detection device; 410, flexible plate detection and conveying assembly; 420, pallet detection lifting group Components; 422, tray lifting seat; 424, tray lifting drive; 426, tray lifting plate; 430, flexible plate detection camera assembly; 432, camera mounting frame; 434, camera detection module; 500, tray stacking cover device; 510, tray stacking conveying assembly; 520, tray stacking storage assembly; 522, tray stacking bin; 524, telescopic partition structure; 526, stacking tray lifting structure; 530, cover loading docking station; 532, cover loading stand; 534, cover loading lifting drive; 536, loading rack conveying structure; 540, cover loading assembly; 542, cover Plate material support; 544, material loading horizontal linear drive member; 546, material loading lifting linear drive member; 548, material loading adsorption rack; 600, label setting device; 610, labeling conveying assembly; 620, label printer; 622, printer translation drive structure; 624, printing host; 626, label output platform; 630, label lifting platform; 632, label lifting drive structure; 634, label adsorption turning platform; 640, label picking and placing assembly; 642, label picking and placing bracket; 644, labeling horizontal linear drive member; 646, labeling lifting linear drive member; 648, labeling adsorption rack. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] like Figures 1 to 3 As shown, the present invention proposes a multi-line flexible plate flipping device 10, including a frame 100, wherein a loading and flipping station, a tray unloading station, a detection station, a stacking and covering station, and a labeling station are sequentially arranged along the longitudinal direction of the frame 100; moreover, the multi-line flexible plate flipping device 10 also includes a plurality of flexible plate flipping devices 200 arranged side by side at the loading and flipping station along the transverse direction of the frame 100, a tray unloading device 300 arranged at the tray unloading station of the frame 100 and docked with the plurality of flexible plate flipping devices 200, a plurality of flexible plate detection devices 400 arranged side by side at the detection station along the transverse direction of the frame 100 and docked with the tray unloading device 300, a tray stacking and covering device 500 arranged at the stacking and covering station of the frame 100 and docked with the plurality of flexible plate detection devices 400, and a labeling device 600 arranged at the labeling station of the frame 100 and docked with the tray stacking and covering device 500.

[0026] The flexible plate products clamped by two trays can be automatically turned over by multiple flexible plate turning devices 200, the redundant tray after turning over can be automatically removed and collected by the tray unloading device 300, the flexible plate products on the trays after turning over can be automatically checked by multiple flexible plate detection devices 400 to detect whether the flexible plate products are accurately turned over, and the trays carrying the correctly turned over flexible plate products can be automatically stacked and stored by the tray stacking cover device 500, and the stacked multiple trays can be automatically covered with covers, and labels can be automatically attached to the multiple trays with covers by the label attaching device 600. The multi-line flexible plate turning device 10 provided by the present invention can automatically turn over flexible plate products, which can not only greatly improve production efficiency, but also reduce operators and labor costs. The automatic turning operation is not affected by the quality of the operator, is simple and not prone to wrong turning or missed turning, and automated production is suitable for the current development trend of the manufacturing industry.

[0027] Specifically, Figures 3 to 5As shown, each flexible plate flipping device 200 may include a flexible plate flipping frame 210 disposed at a loading and flipping station on the frame 100, a pallet flipping and conveying assembly 220 disposed in the middle of the flexible plate flipping frame 210, and a first pallet positioning assembly 230 and a second pallet positioning assembly 240 respectively disposed on the upper and lower sides of the flexible plate flipping frame 210. The tray flipping and conveying assembly 220 in the middle of the flexible board flipping frame 210 can receive and convey the clamping tray structure formed by clamping and positioning multiple flexible board products by the first tray and the second tray. When the clamping tray structure is conveyed between the first tray positioning assembly 230 and the second tray positioning assembly 240, the clamping tray structure can be clamped and positioned from both sides by the first tray positioning assembly 230 and the second tray positioning assembly 240. Then, the first tray positioning assembly 230, the second tray positioning assembly 240, the tray flipping and conveying assembly 220 and the clamping tray structure thereon can be flipped by the flexible board flipping frame 210 to flip the clamping tray structure 180 degrees, so that the first tray originally on the lower side is flipped to the upper side, the second tray originally on the upper side is flipped to the lower side, and the circuit board product originally facing up is flipped to the reverse side facing up.

[0028] Further, the flexible plate turning frame 210 may include a turning seat structure 212 disposed on the frame 100, a turning support frame 214 rotatably disposed on the turning seat structure 212, and a turning drive structure 216 disposed on the turning seat structure 212, the turning drive structure 216 is connected to the turning support frame 214, the first tray positioning assembly 230 and the second tray positioning assembly 240 are respectively disposed on the upper and lower sides of the turning support frame 214, and the tray turning conveying assembly 220 is disposed in the middle of the turning support frame 214. The turning drive structure 216 can drive the turning support frame 214 to rotate on the turning seat structure 212, thereby driving the tray turning conveying assembly 220, the first tray positioning assembly 230, the second tray positioning assembly 240, and the tray clamping structure disposed on the turning support frame 214 to rotate.

[0029] Moreover, the flip seat structure 212 may include two flip supports symmetrically arranged, the flip support frame 214 includes a rectangular frame rotatably arranged between the two flip supports, the first tray positioning assembly 230 and the second tray positioning assembly 240 may be arranged on the upper and lower sides of the rectangular frame respectively, and the tray flip conveying assembly 220 may be arranged in the middle of the rectangular frame. A rotating shaft may be protrudingly arranged on the left and right side surfaces of the rectangular frame respectively, and the two rotating shafts are rotatably arranged on the two flip supports respectively. In addition, the flip driving structure 216 may include a flip driving motor arranged on the flip support, and a reducer connected to the flip driving motor, and the reducer may be connected to the rotating shaft protrudingly arranged on the side of the rectangular frame.

[0030] In addition, the pallet flipping conveyor assembly 220 may include a flipping conveyor frame 222 disposed in the middle of the rectangular frame of the flipping support frame 214, two flipping conveyor substrates 224 disposed side by side on the flipping conveyor frame 222, and a first flipping conveyor belt 226 and a second flipping conveyor belt 228 disposed side by side on the inner side of each flipping conveyor substrate 224, a conveying limiting gap is formed between the first flipping conveyor belt 226 and the second flipping conveyor belt 228 on each flipping conveyor substrate 224, and a first pallet positioning assembly 230 and a second pallet positioning assembly 240 are located on the upper and lower sides of the flipping conveyor substrate 224. The flipping conveyor frame 222 provides support for the two flipping conveyor substrates 224 and the flipping conveyor belts thereon, and the first flipping conveyor belt 226 and the second flipping conveyor belt 228 disposed on the inner side of the two flipping conveyor substrates 224 can not only receive and convey the clamping pallet structure, but also limit the clamping pallet structure. Before flipping the clamping pallet structure, the clamping pallet structure can be supported and conveyed by a pair of first flipping conveyor belts 226 on the lower side of the two flipping conveying substrates 224; when flipping the clamping pallet structure, the clamping pallet structure can be limited from the side by the conveying limit gap between the first flipping conveyor belt 226 and the second flipping conveyor belt 228; after completing the flipping of the clamping pallet structure, the clamping pallet structure can be made to fall onto a pair of second flipping conveyor belts 228 originally on the upper side of the two flipping conveying substrates 224, and the clamping pallet structure can be supported and conveyed by the pair of second flipping conveyor belts 228.

[0031] Moreover, the overturning conveying frame 222 may include a plurality of first conveying support rods arranged side by side on the upper side of the rectangular frame, and a plurality of second conveying support rods arranged side by side on the lower side of the rectangular frame, and each overturning conveying substrate 224 is slidably arranged on one end of the plurality of first conveying support rods and the plurality of second conveying support rods. By sliding each overturning conveying substrate 224 through the first conveying support rod on the upper side of the rectangular frame and the second conveying support rod on the lower side, not only the overturning conveying substrate 224 and the overturning conveyor belt thereon can be positioned, but also the position of the overturning conveying substrate 224 and the overturning conveyor belt thereon can be conveniently adjusted, so that the spacing between the two overturning conveying substrates 224 can be adjusted to accommodate pallets and flexible board products of different sizes. In addition, the position of the overturning conveying substrate 224 on the first conveying support rod and the second conveying support rod can be adjusted by a thread, and its position can also be adjusted by a telescopic drive structure.

[0032] In addition, the first tray positioning assembly 230 and the second tray positioning assembly 240 may include a positioning mounting plate 232 disposed at the top or bottom of the rectangular frame of the flip support frame 214, a positioning lifting driving structure 234 disposed on the positioning mounting plate 232, a positioning guide frame 236 movably disposed on the positioning mounting plate 232, and a lifting positioning plate 238 disposed at the end of the positioning guide frame 236, the positioning lifting driving structure 234 is connected to the positioning guide frame 236, and the lifting positioning plate 238 is located between the two flip conveying base plates 224. The lifting positioning plate 238 can be driven to telescopically move under the guidance of the positioning guide frame 236 by the positioning lifting driving structure 234, so that the lifting positioning plate 238 is pressed against the clamping tray structure on the tray flip conveying assembly 220, thereby clamping the clamping tray structure from both the upper and lower sides through the first tray positioning assembly 230 and the second tray positioning assembly 240.

[0033] Furthermore, the positioning guide frame 236 may include a plurality of guide connecting rods movably arranged on the positioning mounting plate 232, a guide limiting plate arranged at one end of the plurality of guide connecting rods, and a guide connecting plate arranged at the other end of the plurality of guide connecting rods, the guide limiting plate and the guide connecting plate are respectively located on both sides of the positioning mounting plate 232, and the positioning lifting drive structure 234 is connected to the guide connecting plate. The positioning guide frame 236 limits and guides the guide connecting plate, so that the lifting positioning plate 238 arranged on the guide connecting plate moves accurately and reliably.

[0034] Moreover, in some embodiments, the lifting and positioning plate 238 may include a positioning pressing plate fixedly connected to the guide connecting plate, and a plurality of positioning protrusions protruding from the positioning pressing plate. The plurality of positioning protrusions may be matched with the positioning holes on the tray, so as to facilitate the tray to be clamped by the positioning pressing plate.

[0035] In addition, in other embodiments, the lifting and positioning plate 238 may include a positioning pressure plate connected to the guide connecting plate, a positioning guide rod movably disposed on the guide connecting plate and connected to the positioning pressure plate, and a plurality of elastic connectors connected between the guide connecting plate and the positioning pressure plate. By arranging the positioning guide rod and the elastic connector between the positioning pressure plate and the guide connecting plate, the positioning pressure plate can have elastic buffering when clamping the pallet, thereby avoiding impact damage to the pallet and the flexible plate product.

[0036] In addition, if Figures 2 to 3 , and Figure 6 to Figure 7As shown, the pallet unloading device 300 may include a plurality of pallet unloading conveying components 310 arranged side by side at the pallet unloading station along the horizontal direction of the frame 100, a pallet unloading docking station 320 arranged on the outer side of the frame 100, and a pallet picking and placing component 330 arranged along the horizontal direction of the frame 100. The pallet picking and placing component 330, the pallet unloading docking station 320, and the plurality of pallet unloading conveying components 310 are all arranged correspondingly up and down, and the plurality of pallet unloading conveying components 310 are arranged one by one correspondingly to the pallet flipping conveying components 220 of the plurality of flexible plate flipping devices 200. The multiple pallet unloading conveying components 310 can be respectively docked with the multiple pallet flipping conveying components 220 of the flexible plate flipping device 200 to receive and convey the flipped clamping pallet structure conveyed by the multiple pallet flipping conveying components 220. When the flipped clamping pallet structure is conveyed to the bottom of the pallet picking and placing component 330, the first pallet on the upper side of the flipped clamping pallet structure on the multiple pallet unloading conveying components 310 can be grabbed by the pallet picking and placing component 330 and transferred to the pallet unloading docking station 320 for stacking. After the first pallets on the pallet unloading docking station 320 are fully stacked, the multiple first pallets stacked on the pallet unloading docking station 320 can be received and transferred away by external conveying equipment.

[0037] Specifically, the pallet unloading conveying assembly 310 may include two unloading conveying seats 312 arranged side by side at the pallet unloading station, an unloading frame adjustment structure 314 arranged on each unloading conveying seat 312, an unloading conveying frame 316 slidably arranged on each unloading conveying seat 312, and a pair of unloading conveying belts 318 arranged on the inner side of the two unloading conveying frames 316, the unloading conveying frames 316 are connected to the unloading frame adjustment structure 314, and the pair of unloading conveying belts 318 are connected to the pallet flipping conveying assembly 220 front and back. The position of the unloading conveying frame 316 on the unloading conveying seat 312 can be adjusted by the unloading frame adjustment structure 314, and the spacing between the two unloading conveying frames 316 can be adjusted, so that the spacing between the two unloading conveying belts 318 can be adjusted, and pallets of different sizes can be conveyed. Moreover, by docking a pair of unloading conveyor belts 318 on the inner side of the two unloading conveyor racks 316 with a pair of flipping conveyor belts on the pallet flipping conveying assembly 220 (for example, a pair of second flipping conveyor belts 228 after flipping), the flipped clamping pallet structure can be received and conveyed.

[0038] Moreover, the pallet unloading docking station 320 may include an unloading platform 322 disposed on the outside of the frame 100, an unloading lifting drive structure 324 disposed on the unloading platform 322, and an unloading rack conveying structure 326 connected to the unloading lifting drive structure 324. The unloading rack conveying structure 326 is disposed correspondingly to the pallet pick-up and placement assembly 330, and is used to convey empty pallets to an external conveying device. The unloading lifting drive structure 324 can drive the unloading rack conveying structure 326 to move up and down along the unloading platform 322. In the initial state, the unloading lifting drive structure 324 can lift the unloading rack conveying structure 326 to a preset height position (for example, a height position that is flush with the pallet unloading conveying assembly 310 on the frame 100), so that the pallet pick-up and placement assembly 330 can respectively grab and transfer the first pallet on the upper side of the flipped clamping pallet structure on the multiple pallet unloading conveying assemblies 310 at the pallet unloading station to the unloading rack conveying structure 326; in the passage When the pallet picking and placing assembly 330 continuously places the first pallet stacks on the unloading rack conveying structure 326, the unloading lifting and driving structure 324 can drive the unloading rack conveying structure 326 to continuously descend, so that the tops of the multiple first pallets on the unloading rack conveying structure 326 are always maintained at a preset height position; when the unloading rack conveying structure 326 is at the lowest position of the unloading platform 322, it can be docked with the unloading rack conveying structure 326 through an external conveying device, and the multiple stacked first pallets carried thereon can be taken away, so that the first pallets can be taken over again by the unloading rack conveying structure 326.

[0039] Furthermore, the unloading lifting drive structure 324 may include a unloading lifting drive motor arranged on the bottom plate of the unloading platform 322, a unloading belt transmission structure connected to the unloading lifting drive motor, and a unloading screw rod transmission structure connected to the unloading belt transmission structure. The driving screw of the unloading screw rod transmission structure is vertically arranged on the side plate of the unloading platform 322. The side plate of the unloading platform 322 is also provided with an unloading lifting guide rail parallel to the driving screw rod. The unloading rack conveying structure 326 is slidably arranged on the unloading lifting guide rail and is connected to the transmission nut of the screw rod transmission structure.

[0040] Furthermore, the unloading rack conveying structure 326 may include an unloading rack conveying base connected to a driving nut of a material screw rod driving structure, two unloading rack bottom frames slidably arranged side by side on the unloading rack conveying base, an unloading rack conveyor belt arranged on each unloading rack bottom frame, and an unloading rack bottom frame adjustment structure arranged on the unloading rack conveying base and connected to each unloading rack bottom frame. The unloading rack bottom frame adjustment structure may be used to adjust the distance between the two unloading rack bottom frames, so that the two unloading rack conveyor belts may convey pallets of different sizes.

[0041] Moreover, the material unloading frame adjustment structure may include a material unloading adjustment driving member disposed on the material unloading frame conveying base, and an adjustment screw rod structure connected to the material unloading adjustment driving member, and the material unloading frame base is connected to a driving nut of the adjustment screw rod structure. Moreover, the two material unloading frame adjustment structures may share one material unloading adjustment driving member, and the material unloading adjustment driving member may be disposed in the middle of the two material unloading frame bases, and may drive the two adjustment screw rod structures simultaneously.

[0042] In addition, the pallet picking and placing assembly 330 may include a pallet unloading support 332 arranged at the pallet unloading station along the horizontal direction of the frame 100, a unloading horizontal linear driving member 334 arranged on the pallet unloading support 332, a unloading lifting linear driving member 336 arranged on the unloading horizontal linear driving member 334, and an unloading adsorption frame 338 arranged on the unloading lifting linear driving member 336. The unloading adsorption frame 338, the unloading frame conveying structure 326, and multiple pairs of unloading conveyor belts 318 are all arranged in correspondence with each other up and down. The material unloading horizontal linear drive member 334 is arranged across the multiple pallet unloading conveying assemblies 310 at the pallet unloading station, so as to drive the unloading adsorption frame 338 to move horizontally and linearly between the multiple pallet unloading conveying assemblies 310; the material unloading lifting linear drive member 336 can drive the material unloading adsorption frame 338 to approach or move away from the unloading frame conveying structure 326 and the unloading conveyor belt 318 of the pallet unloading conveying assembly 310, so as to grab the first pallet on the unloading conveyor belt 318 and place the grabbed first pallet on the unloading frame conveying structure 326. In addition, the material unloading horizontal linear drive member 334 and the material unloading lifting linear drive member 336 can both be set as motor linear drive modules.

[0043] Moreover, the unloading suction frame 338 may include an unloading frame bottom frame connected to the unloading lifting linear driving member 336, an unloading frame rotating driving member disposed on the unloading frame bottom frame, an unloading frame suction plate connected to the unloading frame rotating driving member, and a plurality of unloading suction nozzles disposed around the bottom of the unloading frame suction plate. The plurality of unloading suction nozzles may be used to suction the pallet, and the unloading frame suction plate may be rotated and adjusted by the unloading frame rotating driving member, so that the pallet in different directions may be grasped and placed.

[0044] In addition, if Figures 2 to 3 , and Figure 6 to Figure 7As shown, each flexible plate detection device 400 may include a flexible plate detection conveying assembly 410 docked with a tray unloading conveying assembly 310, a tray detection lifting assembly 420 disposed in the middle of the flexible plate detection conveying assembly 410, and a flexible plate detection camera assembly 430 disposed on the frame 100 and located above the flexible plate detection conveying assembly 410. The flexible plate detection conveying assembly 410 can dock with the tray unloading conveying assembly 310 of the tray unloading device 300 to receive the second tray and the turned-over flexible plate product carried by the tray unloading conveying assembly 310; the second tray can be conveyed to the right below the flexible plate detection camera assembly 430 by the flexible plate detection conveying assembly 410, and the flexible plate product on the second tray can be detected by the flexible plate detection camera assembly 430 to determine whether the turned-over of the flexible plate product on the second tray is accurate and complete. When it is detected that there is a flexible plate product on the second tray that is not turned over completely or has not been turned over, a prompt or alarm can be issued to remind the operator to pay attention. At this time, the operator can manually accurately flip over the incomplete or unfinished flexible plate product.

[0045] Moreover, in this embodiment, the tray unloading conveying assembly 310 of the tray unloading device 300 extends from the tray unloading station to the detection station to form the flexible plate detection conveying assembly 410 of the flexible plate detection device 400. That is, the flexible plate detection conveying assembly 410 of the flexible plate detection device 400 can be an extension of the tray unloading conveying assembly 310 of the tray unloading device 300, and the two are integrally arranged. In this way, the tray unloading conveying assembly 310 can be used for unloading and conveying of the flipped clamping tray structure, and can also be used for detection and conveying of the flipped second tray, simplifying the conveying structure.

[0046] Moreover, the pallet detection lifting assembly 420 may include a pallet lifting seat 422 arranged on the frame 100, a pallet lifting driving member 424 arranged on the pallet lifting seat 422, and a pallet lifting plate 426 arranged on the pallet lifting driving member 424, and the pallet lifting plate 426 is located between the two flexible plate detection conveyor belts of the flexible plate detection conveying assembly 410. The tray lifting drive 424 can be used to drive the tray lifting plate 426 to move up and down. When the second tray and the flexible plate products thereon are conveyed to the bottom of the flexible plate detection camera assembly 430 by the flexible plate detection conveying assembly 410, the tray lifting drive 424 can be used to drive the tray lifting plate 426 to rise, so as to lift up the second tray on the two flexible plate detection conveyor belts of the flexible plate detection conveying assembly 410, so as to facilitate the detection of the flexible plate products in the second tray. After completing the detection of the flexible plate products in the lifted second tray, the tray lifting drive 424 can drive the tray lifting plate 426 to support the second tray to descend, so as to make the second tray fall back onto the two flexible plate detection conveyor belts of the flexible plate detection conveying assembly 410, so as to facilitate the transportation of the second tray to the tray stacking cover device 500.

[0047] Furthermore, the tray lifting drive member 424 may include a tray lifting drive cylinder disposed on the tray lifting seat 422, and a plurality of tray lifting guide rods movably disposed around the top of the tray lifting seat 422, the top ends of the plurality of tray lifting guide rods are connected to the bottom of the tray lifting plate 426, and the driving end of the tray lifting drive cylinder is connected to the middle of the bottom of the tray lifting plate 426, and the tray lifting drive cylinder can be used to drive the tray lifting plate 426 to move up and down. Moreover, the tray lifting plate 426 can be set as a long strip, the length of which can be greater than the length of the second pallet, and the width of which is less than the spacing between the two flexible plate detection conveyor belts of the flexible plate detection conveyor assembly 410, so as to facilitate the support and lifting of the second pallet conveyed by the two flexible plate detection conveyor belts of the flexible plate detection conveyor assembly 410. Moreover, a limit slot is provided in the middle of the second pallet, which can be used to clamp and position the second pallet, so that the lifting of the second pallet is stable and reliable.

[0048] In addition, the flexible plate detection camera assembly 430 may include a camera mounting frame 432 disposed on the frame 100, and a camera detection module 434 disposed on the top of the camera mounting frame 432, and the camera detection module 434 is located above the flexible plate detection conveying assembly 410. The camera mounting frame 432 may include a camera mounting column disposed on the side of the flexible plate detection conveying assembly 410, and a camera mounting plate suspended on the top of the camera mounting column, and the camera detection module 434 is disposed on the camera mounting plate, so that the camera detection module 434 corresponds to the tray detection lifting assembly 420 located at the middle position of the flexible plate detection conveying assembly 410 up and down.

[0049] Moreover, the camera mounting column can be set as a cross-shaped mounting column, and a plurality of first mounting holes are sequentially arranged at the top of the cross-shaped mounting column along its height direction; the camera mounting plate includes a connecting end plate provided with a cross-shaped slot, and two mounting column connecting seats provided on the connecting end plate, and a plurality of second mounting holes corresponding to the first mounting holes are provided on the mounting column connecting seat. The top of the cross-shaped mounting column can be clamped in the cross-shaped slot of the connecting end plate of the camera mounting plate, and the parts of the two sides of the cross-shaped mounting column provided with the first mounting holes are respectively connected to the two mounting column connecting seats by connecting screws, and the installation height of the camera mounting plate can be adjusted as needed. Moreover, the camera mounting plate also includes a camera connecting plate protruding from one side of the connecting end plate, and the camera detection module 434 can be arranged on the camera connecting plate.

[0050] Moreover, the two flexible plate detection camera assemblies 430 may share a camera mounting column, and the two camera mounting plates may be integrated and disposed on both sides of the camera mounting column, and the camera mounting column may be disposed between the two flexible plate detection conveying assemblies 410 .

[0051] In addition, if Figures 2 to 3 , and Figure 6 to Figure 7As shown, the pallet stacking cover plate device 500 may include a plurality of pallet stacking conveying assemblies 510 arranged side by side at the stacking cover plate stations along the horizontal direction of the frame 100, a pallet stacking storage assembly 520 arranged at each pallet stacking conveying assembly 510, a cover plate loading and unloading docking station 530 arranged on the outer side of the frame 100, and a cover plate picking and placing assembly 540 arranged along the horizontal direction of the frame 100. The cover plate picking and placing assembly 540, the cover plate loading and unloading docking station 530, and the plurality of pallet stacking storage assemblies 520 are all arranged correspondingly up and down, and the plurality of pallet stacking conveying assemblies 510 are arranged correspondingly one by one to the flexible plate detection conveying assemblies 410 of the plurality of flexible plate detection devices 400. The multiple pallet stacking conveying components 510 of the pallet stacking cover plate device 500 can respectively receive the second pallets after inspection from the flexible plate inspection and conveying components 410 of the multiple flexible plate inspection devices 400, and respectively convey the second pallets to the multiple pallet stacking conveying components 510 for stacking and storage, and can grab the cover plates from the cover plate loading and unloading docking station 530 through the cover plate picking and placing component 540, and transfer them to the multiple second pallets stored at the multiple pallet stacking storage components 520, and cover the multiple second pallets, and then put the multiple second pallets covered with cover plates into the pallet stacking conveying component 510 for transportation to the label applying device 600.

[0052] Moreover, in the present embodiment, the pallet unloading conveying assembly 310 of the pallet unloading device 300 extends from the pallet unloading station through the detection station to the tray stacking cover plate station, forming the pallet stacking conveying assembly 510 of the pallet stacking cover plate device 500. That is, the pallet stacking conveying assembly 510 of the pallet stacking cover plate device 500 can also be formed by extending the pallet unloading conveying assembly 310 of the pallet unloading device 300, so that the pallet unloading conveying assembly 310, the flexible plate detection conveying assembly 410, and the pallet stacking conveying assembly 510 are integrated. In this way, the pallet unloading conveying assembly 310 can be used as the unloading conveying of the clamping pallet structure after the flipping, and can also be used as the detection conveying of the second pallet after the flipping, and can also be used as the stacking conveying of the second pallet, simplifying the conveying structure.

[0053] In addition, the pallet stacking storage assembly 520 may include a pallet stacking bin 522 disposed at the top of the pallet stacking conveying assembly 510, a telescopic partition plate structure 524 disposed transversely at the bottom of the pallet stacking bin 522, and a stacking disc lifting structure 526 disposed between two flexible plate stacking conveyor belts of the pallet stacking conveying assembly 510, and the stacking disc lifting structure 526 is located below the pallet stacking bin 522. The two flexible plate stacking conveyor belts of the pallet stacking conveying assembly 510 can receive the second pallet conveyed by the two flexible plate detection conveyor belts of the flexible plate detection conveying assembly 410, and can convey the received second pallet to between the stacking disc lifting structure 526 and the pallet stacking bin 522, and then the stacking disc lifting structure 526 can lift the second pallet to the pallet stacking bin 522 for stacking and storage. In the process of lifting the second pallet to the pallet stacking bin 522 by the stacking disc lifting structure 526, the telescopic partition plate structure 524 can be retracted to the outside of the bottom of the pallet stacking bin 522 to facilitate the smooth lifting of the second pallet on the two flexible plate stacking conveyor belts of the pallet stacking conveyor assembly 510 into the pallet stacking bin 522; after the second pallet is lifted into the pallet stacking bin 522 by the stacking disc lifting structure 526, the telescopic partition plate structure 524 can be extended to the inside of the bottom of the pallet stacking bin 522 to lift the pallet from the bottom. The second pallet in the pallet stacking bin 522 is supported in a limited position, and the stacking tray lifting structure 526 is lowered and reset, so as to prepare to lift the second pallet into the pallet stacking bin 522 again; after the number of second pallets stacked and stored in the pallet stacking bin 522 reaches a preset number and a cover plate is placed on the plurality of second pallets, the stacking tray lifting structure 526 can be used to support and lower the second pallets stacked and stored in the pallet stacking bin 522 again, and the telescopic partition plate structure 524 can be contracted before lowering, so that the plurality of second pallets covered with the cover plate can be dropped onto the pallet stacking conveying assembly 510.

[0054] Further, the pallet stacking bin 522 may include a plurality of stacking bin rods protruding from both sides of the top of the pallet stacking conveying assembly 510, and a stacking bin cavity is formed between the plurality of stacking bin rods for storing the second pallet. Moreover, each telescopic partition plate structure 524 may include a telescopic partition plate frame provided on one side of the top of the pallet stacking conveying assembly 510, a telescopic partition plate driving member provided on the telescopic partition plate frame, and a telescopic partition plate plate slidably provided on the telescopic partition plate frame and connected to the telescopic partition plate driving member, and the telescopic partition plate plate is transversely provided on one side of the bottom of the pallet stacking bin 522. The telescopic partition plate can be driven to telescopically move by the telescopic partition plate driving member, so that the telescopic partition plate extends to the bottom of the stacking bin cavity or outside the bottom to isolate or open the bottom of the stacking bin cavity. A telescopic partition plate structure 524 is provided on each side of the top of the pallet stacking conveying assembly 510, corresponding to the stacking bin rods on both sides.

[0055] Moreover, the stacking tray lifting structure 526 may include a stacking tray lifting seat provided on the frame 100, a stacking tray lifting driving member provided on the stacking tray lifting seat, and a stacking tray lifting plate provided on the stacking tray lifting driving member, and the stacking tray lifting plate is located on the two flexible plate stacking conveyor belts of the pallet stacking conveying assembly 510. The stacking tray lifting driving member can drive the stacking tray lifting plate to move up and down, and when the second pallet is conveyed to the right below the pallet stacking bin 522 by the pallet stacking conveying assembly 510, the stacking tray lifting driving member can drive the stacking tray lifting plate to rise, and lift the second pallet on the two flexible plate stacking conveyor belts of the pallet stacking conveying assembly 510, so as to lift the second pallet into the pallet stacking bin 522; after lifting the second pallet into the pallet stacking bin 522, the stacking tray lifting driving member can drive the stacking tray lifting plate to descend, so as to lift the second pallet on the pallet stacking conveying assembly 510 into the pallet stacking bin 522 again.

[0056] In addition, the cover loading docking station 530 may include a cover loading platform 532 disposed on the outside of the frame 100, a cover loading lifting drive 534 disposed on the cover loading platform 532, and a loading rack conveying structure 536 connected to the cover loading lifting drive 534, and the loading rack conveying structure 536 is used to receive and convey the cover from an external conveying device. The loading rack conveying structure 536 can be driven to move up and down along the cover loading platform 532 by the cover loading lifting drive 534, and the loading rack conveying structure 536 can receive a plurality of stacked cover plates conveyed by the external conveying device. In the initial state, the loading rack conveying structure 536 can be located at the bottom of the cover loading platform 532. After the cover on the loading rack conveying structure 536 is gradually removed by the cover loading assembly 540, the loading rack conveying structure 536 can be lifted by the cover loading lifting drive 534 so that the cover it carries is always kept at a preset height position. In addition, the specific structure of the cover plate loading docking station 530 is similar to the specific structure of the pallet unloading docking station 320, and will not be repeated here.

[0057] Moreover, the cover plate picking and placing assembly 540 may include a cover plate loading support 542 arranged at the stacking cover plate station along the horizontal direction of the frame 100, a loading horizontal linear driving member 544 arranged on the cover plate loading support 542, a loading lifting linear driving member 546 arranged on the loading horizontal linear driving member 544, and a loading adsorption rack 548 arranged on the loading lifting linear driving member 546. The loading adsorption rack 548, the loading rack conveying structure 536, and the multiple tray stacking bins 522 are all arranged correspondingly up and down. The loading horizontal linear drive member 544 can drive the loading adsorption rack 548 to horizontally reciprocate linearly between the loading rack conveying structure 536 and the plurality of tray stacking bins 522, and the loading lifting linear drive member 546 can drive the loading adsorption rack 548 to approach or move away from the loading rack conveying structure 536 and the plurality of tray stacking bins 522, so as to facilitate the grabbing, transfer, and placement of the cover plate on the loading rack conveying structure 536 on the top of the plurality of second trays stacked in the plurality of tray stacking bins 522. In addition, the specific structure of the cover plate picking and placing assembly 540 is similar to the specific structure of the tray picking and placing assembly 330, and will not be described in detail here.

[0058] In addition, if Figures 2 to 3 , and Figure 8 As shown, the labeling device 600 may include a plurality of labeling conveying assemblies 610 arranged side by side at the labeling station along the horizontal direction of the frame 100, a label printer 620 arranged below the labeling conveying assembly 610, a label lifting platform 630 corresponding to the label printer 620, and a label picking and placing assembly 640 arranged on the frame 100. The label picking and placing assembly 640, the label lifting platform 630, and the plurality of labeling conveying assemblies 610 are all arranged correspondingly up and down, and the plurality of labeling conveying assemblies 610 are arranged correspondingly to the plurality of pallet stacking conveying assemblies 510. The multiple labeling conveying components 610 of the label applying device 600 can respectively receive the tray structure to be labeled formed by the multiple stacked second trays covered with cover plates conveyed by the multiple tray stacking conveying components 510, and convey the tray structure to be labeled to the bottom of the label picking and placing component 640. The label picking and placing component 640 can take the label printed by the label printer 620 from the label lifting platform 630, and stick it on the tray structure to be labeled on each labeling conveying component 610.

[0059] Furthermore, the label printer 620 may include a printer translation driving structure 622 disposed at the bottom of the inner cavity of the frame 100, a printing host 624 connected to the printer translation driving structure 622, and a label output platform 626 disposed on the printing host 624, and the label output platform 626 is located below the labeling conveying assembly 610. The printing host 624 can print labels to be attached to the to-be-labeled tray structure, and the printed labels can be output to the label output platform 626; and the printing host 624 can be driven to translate in the frame 100 by the printer translation driving structure 622 to adjust the positions of the printing host 624 and the label output platform 626, so that the label lifting platform 630 can take the label from the label output platform 626.

[0060] Furthermore, the label lifting platform 630 may include a label lifting driving structure 632 disposed on the side wall of the inner cavity of the frame 100, and a label adsorption flipping platform 634 protruding from the label lifting driving structure 632, and the label adsorption flipping platform 634 is correspondingly matched with the label output platform 626. The label lifting driving structure 632 can drive the label adsorption flipping platform 634 to move to a position corresponding to the label output platform 626, and the label adsorption flipping platform 634 adsorbs the label printed by the printing host 624 from the label output platform 626. Furthermore, the label adsorption flipping platform 634 can flip the adsorbed label, and can flip the label adsorbed under the bottom surface of the label adsorption flipping platform 634 to the top surface of the label adsorption flipping platform 634, so that the label picking and placing component 640 can adsorb and grab the label from the top surface of the label adsorption flipping platform 634.

[0061] Moreover, the label picking and placing component 640 may include a label picking and placing bracket 642 arranged horizontally at the labeling station on the frame 100, a labeling horizontal linear driving member 644 arranged on the label picking and placing bracket 642, a labeling lifting linear driving member 646 arranged on the labeling horizontal linear driving member 644, and a labeling adsorption frame 648 arranged on the labeling lifting linear driving member 646. The labeling adsorption frame 648, the label adsorption flip table 634, and multiple labeling conveying components 610 are all arranged correspondingly up and down. The labeling horizontal linear drive component 644 can be used to drive the labeling adsorption rack 648 to move horizontally and linearly back and forth between the labeling adsorption flip table 634 and multiple labeling conveying components 610. The labeling lifting linear drive component 646 can be used to drive the labeling adsorption rack 648 to move vertically away from or close to the labeling adsorption flip table 634 and the labeling conveying component 610, so as to facilitate taking labels from the labeling adsorption flip table 634 and placing labels on the tray structure to be labeled on the labeling conveying component 610.

[0062] In addition, the present invention also provides a flexible plate flipping method, which is applied to the multi-line flexible plate flipping device 10 as described above. Specifically, Fig. 9 As shown, the flexible plate flipping method comprises the following steps:

[0063] S100, placing the flexible board product to be turned over in advance in a first tray, and placing a second tray on the flexible board product to form a clamping tray structure that clamps the flexible board product in the middle;

[0064] S200, receiving and conveying a plurality of clamping pallet structures respectively through the pallet turning and conveying assemblies 220 of a plurality of flexible plate turning devices 200, and clamping and positioning a clamping pallet structure from both sides through the first pallet positioning assembly 230 and the second pallet positioning assembly 240 of each flexible plate turning device 200, and turning the clamping pallet structure through the flexible plate turning frame 210 of each flexible plate turning device 200, so that the flexible plate product in the clamping pallet structure is turned over from a front-side-up state to a back-side-up state, and after releasing the clamping and positioning of the turned-over clamping pallet structure, it is conveyed to the pallet unloading device 300 through the pallet turning and conveying assembly 220;

[0065] S300, the multiple pallet unloading conveying assemblies 310 of the pallet unloading device 300 respectively receive and convey the flipped clamping pallet structures conveyed by the multiple pallet flipping conveying assemblies 220 of the flexible plate flipping devices 200, and the pallet picking and placing assemblies 330 respectively grab the first pallet on the top of the flipped clamping pallet structures on the multiple pallet flipping conveying assemblies 220, transfer and stack them on the pallet unloading docking station 320, and convey the second pallet and the flipped flexible plate product carried by it to the flexible plate detection device 400 through the pallet flipping conveying assembly 220;

[0066] S400, the flexible plate detection conveying components 410 of the multiple flexible plate detection devices 400 respectively receive and convey the second pallet and the turned-over flexible plate products carried by the multiple pallet flipping conveying components 220 of the pallet unloading device 300, the second pallet and the turned-over flexible plate products carried by the flexible plate detection conveying component 410 are lifted up by the pallet detection lifting component 420, and the turned-over flexible plate products on the lifted second pallet are inspected by the flexible plate detection camera component 430 above the flexible plate detection conveying component 410 to determine whether the flexible plate products are accurately turned over, and the turned-over flexible plate products on the second pallet after inspection are conveyed to the pallet stacking cover device 500 by the flexible plate detection conveying component 410;

[0067] S500, receiving and conveying the second pallets and the turned-over flexible plate products conveyed by the flexible plate detection conveying components 410 of the plurality of flexible plate detection devices 400 respectively through the plurality of pallet stacking and conveying components 510 of the pallet stacking and cover plate device 500, stacking and storing the second pallets through the pallet stacking and conveying components 520 at each pallet stacking and conveying component 510, obtaining the cover plates from the cover plate material transfer station 530 through the cover plate picking and placing component 540, transferring and covering the cover plates on the plurality of second pallets stacked to a preset number, and conveying the plurality of second pallets covered with the cover plates to the label applying device 600 through the pallet stacking and conveying component 510;

[0068] S600, the multiple labeling conveying components 610 of the label applying device 600 respectively receive and convey the multiple second pallets covered with covers conveyed by the multiple pallet stacking conveying components 510 of the pallet stacking cover device 500, the label lifting platform 630 obtains and transfers the labels printed by the label printer 620 to the labeling conveying components 610, the label picking and placing components 640 obtain, transfer, and apply the labels from the label lifting platform 630 to the multiple second pallets covered with covers on each labeling conveying component 610, and the multiple second pallets with labels are conveyed to the next workstation by the labeling conveying components 610.

[0069] Furthermore, in step S200, the following steps may be further included:

[0070] S210, a pair of first flip conveyor belts 226 arranged on the lower side of the inner side of two flip conveying substrates 224 on the flip conveying frame 222 of the tray flip conveying assembly 220 in the middle of the flexible plate flip frame 210 of the multiple flexible plate flip devices 200 arranged on the loading flip station of the frame 100, respectively receive the multiple clamping pallet structures, and convey the clamping pallet structures to the position between the first pallet positioning assembly 230 and the second pallet positioning assembly 240 on the upper and lower sides of the plate flip frame;

[0071] S220, the positioning and lifting driving structure 234 of the first pallet positioning assembly 230 and the second pallet positioning assembly 240 of each flexible plate flipping device 200 drives the lifting and positioning plate 238 to move close to the clamping pallet structure on the first flipping conveyor belt 226, so that the lifting and positioning plates 238 of the first pallet positioning assembly 230 and the second pallet positioning assembly 240 clamp and position the clamping pallet structure from both sides;

[0072] S230, the flip driving structure 216 of the flexible plate flip frame 210 of each flexible plate flip device 200 is used to rotate the flip support frame 214 rotatably arranged on the flip seat structure 212, so that the flip support frame 214 drives the pallet flip conveying assembly 220, the first pallet positioning assembly 230, the second pallet positioning assembly 240, and the clamping pallet structure thereon to rotate 180 degrees, so that the clamping pallet structure falls onto a pair of second flip conveyor belts 228 on the lower side of the inner side surface of the two flip conveying substrates 224 on the flip conveyor frame 222 of the pallet flip conveying assembly 220, and the flexible plate product in the clamping pallet structure on the second flip conveyor belt 228 is changed from a front side up state to a back side up state;

[0073] S240, after completing the flipping of the clamping pallet structure, the positioning and lifting drive structure 234 of the first pallet positioning component 230 and the second pallet positioning component 240 of each flexible plate flipping device 200 drives the lifting positioning plate 238 away from the clamping pallet structure on the second flipping conveyor belt 228 to release the clamping positioning of the flipped clamping pallet structure, and transport it to the pallet unloading device 300 through a pair of second flipping conveyor belts 228 of the pallet flipping conveying component 220.

[0074] In addition, in step S300, the following steps may be further included:

[0075] S310, receiving the flipped clamping pallet structure conveyed by the second flipping conveyor belts 228 of the pallet flipping conveyor assemblies 220 of the plurality of flexible plate flipping devices 200 through the unloading conveyor belts 318 of the plurality of pallet unloading conveying assemblies 310 of the pallet unloading device 300, and conveying the clamping pallet structure to the bottom of the unloading adsorption rack 338 of the pallet picking and placing assembly 330;

[0076] S320, preliminarily make the unloading lifting drive structure 324 of the pallet unloading docking station 320 drive the unloading rack conveying structure 326 to be lifted to a preset height position, and drive the unloading adsorption rack 338 through the unloading horizontal linear drive member 334 and the unloading lifting linear drive member 336 of the pallet picking and placing assembly 330, so that the unloading adsorption rack 338 respectively grabs the first pallet on the top of the flipped clamping pallet structure transported on the unloading conveyor belt 318 of the multiple pallet flipping conveying assemblies 220, and transfers and stacks it on the unloading rack conveying structure 326 of the pallet unloading docking station 320, and at the same time, the unloading lifting drive structure 324 of the pallet unloading docking station 320 drives the unloading rack conveying structure 326 to gradually descend;

[0077] S330 , after the first pallet is removed from the flipped clamping pallet structure by the unloading conveyor belt 318 through the pallet flipping and conveying assembly 220 , the remaining second pallet and the flipped flexographic plate product carried by it are conveyed to the flexographic plate detection device 400 .

[0078] In addition, in step S400, the following steps may be further included:

[0079] S410, the flexible plate detection conveying components 410 of the multiple flexible plate detection devices 400 respectively receive the second pallet and the turned-over flexible plate product carried by the unloading conveyor belts 318 of the multiple pallet flipping conveying components 220 of the pallet unloading device 300, and convey the second pallet and the flexible plate product to the bottom of the flexible plate detection camera component 430 and the top of the pallet detection lifting component 420;

[0080] S420, the tray lifting driving member 424 of the tray detection lifting assembly 420 lifts the tray lifting plate 426, so that the tray lifting plate 426 lifts the second tray on the flexible plate detection conveying assembly 410 and the turned-over flexible plate product carried by the second tray, so that the second tray is separated from the flexible plate detection conveying assembly 410;

[0081] S430, using the camera detection module 434 of the flexible plate detection camera assembly 430 above the flexible plate detection conveying assembly 410 to detect the turned-over flexible plate product on the second tray lifted by the tray lifting plate 426 to determine whether the flexible plate product is accurately turned over;

[0082] When it is detected that the flexible plate products on the second pallet are accurately turned over, the second pallet is judged to be qualified in the inspection; the pallet lifting driving member 424 of the pallet inspection lifting assembly 420 lowers the pallet lifting plate 426, so that the pallet lifting plate 426 drops the qualified second pallet onto the flexible plate inspection conveying assembly 410;

[0083] When it is detected that there are flexo products on the second pallet that have not been turned over or have been turned over inaccurately, the second pallet is judged to be unqualified; when it is detected that the second pallet is unqualified, a prompt message is issued to remind the operator; the operator manually turns over the flexo products on the second pallet according to the prompt message, so that the flexo products on the second pallet are accurately turned over; the pallet lifting plate 426 is lowered by the pallet lifting driving member 424 of the pallet detection lifting assembly 420, so that the pallet lifting plate 426 drops the second pallet that has been manually accurately turned over onto the flexo detection conveying assembly 410;

[0084] S430 , conveying the qualified second pallet and the turned-over flexible plate product carried by it to the pallet stacking cover device 500 through the flexible plate detection and conveying assembly 410 .

[0085] In addition, in step S500, the following steps may be further included:

[0086] S510, receiving the qualified second pallets and the turned-over flexible plate products carried by the flexible plate detection and conveying assemblies 410 of the multiple flexible plate detection devices 400 respectively through the multiple pallet stacking and conveying assemblies 510 of the pallet stacking and cover plate device 500, and conveying the second pallets to the bottom of the pallet stacking bin 522 and the top of the stacking and lifting structure 526;

[0087] S520, retract the telescopic partition plate structure 524 at the bottom of the tray stacking bin 522 of the tray stacking storage assembly 520 at each tray stacking conveying assembly 510 to the outside of the bottom of the tray stacking bin 522 in advance;

[0088] The stacking tray lifting driving member of the stacking tray lifting structure 526 of the tray stacking storage assembly 520 drives the stacking tray lifting plate to lift, so that the stacking tray lifting plate lifts the second tray on the tray stacking conveying assembly 510, so that the second tray enters the tray stacking bin 522 for stacking and storage;

[0089] The telescopic partition plate structure 524 at the bottom of the tray stacking bin 522 is extended to the inner side of the bottom of the tray stacking bin 522 to provide position-limiting support for the second tray stacked in the tray stacking bin 522, and the tray stacking lifting driving member of the tray stacking lifting structure 526 drives the tray stacking lifting plate to descend and reset;

[0090] S530, receiving and conveying a plurality of stacked cover plates from an external conveying device in advance through the loading rack conveying structure 536 of the cover plate loading docking station 530, and driving the loading rack conveying structure 536 and the plurality of cover plates carried by it to a preset height position through the cover plate loading lifting and lowering driving member 534;

[0091] When the number of second trays stacked in the tray stacking bin 522 of the tray stacking storage assembly 520 reaches a preset number, the loading horizontal linear driving member 544 and the loading lifting linear driving member 546 of the cover plate picking and placing assembly 540 drive the loading suction rack 548 to obtain the cover plates from the loading rack conveying structure 536 of the cover plate loading docking station 530, and transfer and cover the cover plates on the plurality of second trays stacked to the preset number;

[0092] The stacking tray lifting driving member of the stacking tray lifting structure 526 of the tray stacking storage assembly 520 drives the stacking tray lifting plate to be lifted to the bottom of the tray stacking bin 522, and the telescopic partition structure 524 at the bottom of the tray stacking bin 522 is retracted to the outside of the bottom of the tray stacking bin 522, so that the plurality of second trays covered with the cover plate are dropped onto the stacking tray lifting plate of the stacking tray lifting structure 526, and then the stacking tray lifting driving member of the stacking tray lifting structure 526 drives the stacking tray lifting plate and the plurality of second trays covered with the cover plate carried by the stacking tray lifting plate to be lowered, so that the plurality of second trays covered with the cover plate are dropped onto the tray stacking conveying assembly 510;

[0093] S540 , conveying a plurality of second trays covered with cover plates to the label attaching device 600 through the tray stacking and conveying assembly 510 .

[0094] In addition, in step S600, the following steps may be further included:

[0095] S610, receiving the plurality of second trays covered with cover plates conveyed by the plurality of tray stacking conveying assemblies 510 of the tray stacking cover plate device 500 through the plurality of labeling conveying assemblies 610 of the label attaching device 600, and conveying the plurality of second trays covered with cover plates to the bottom of the labeling suction rack 648 of the label placing assembly 640;

[0096] S620, the printer translation driving structure 622 of the label printer 620 drives the printing host 624 to move to a preset position, and the printing host 624 prints the label to be attached to the to-be-labeled tray structure, and outputs the printed label to the label output platform 626;

[0097] The label adsorption flipping platform 634 is driven to move up and down to the label output platform 626 by the label lifting driving structure 632 of the label lifting platform 630, and the label on the label output platform 626 is adsorbed by the label adsorption flipping platform 634; the adsorbed label is flipped by the label adsorption flipping platform 634, so that the label adsorbed by the label adsorption flipping platform 634 is in an upward state; the label lifting driving structure 632 drives the label adsorption flipping platform 634 and the adsorbed label to rise to a height position equal to the surface of the labeling conveying component 610;

[0098] The label horizontal linear driving member 644 and the label lifting linear driving member 646 of the label picking and placing assembly 640 drive the label adsorption rack 648 to obtain, transfer, and attach labels from the label adsorption flipping table 634 of the label lifting table 630 to the multiple second trays covered with the cover plate on each label conveying assembly 610;

[0099] S630: convey the plurality of second pallets with labels to the next station (such as a packaging station to pack the plurality of second pallets with labels) through the labeling conveying assembly 610.

[0100] The multi-line flexo plate flipping device 10 and flexo plate flipping method provided by the present invention can realize automated production line operation, can connect a flexo plate inspection machine and a packaging machine, match production capacity, and improve production efficiency; can save manpower and solve the problem of low manual flipping efficiency due to extremely small products.

[0101] It should be noted that, in the present invention, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0102] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features invented herein.

Claims

1. A multi-line flexible plate turning device, characterized in that: include: A frame, wherein a loading and turning station, a tray unloading station, a detection station, a tray stacking and covering station, and a labeling station are sequentially arranged along the longitudinal direction of the frame; A plurality of flexible plate turning devices are arranged side by side at the loading turning station along the horizontal direction of the frame; each of the flexible plate turning devices comprises a flexible plate turning frame arranged on the frame, a pallet turning conveying assembly arranged in the middle of the flexible plate turning frame, and a first pallet positioning assembly and a second pallet positioning assembly respectively arranged at the upper and lower sides of the flexible plate turning frame; The pallet unloading device comprises a plurality of pallet unloading conveying assemblies arranged side by side at the pallet unloading station along the transverse direction of the frame, a pallet unloading docking station arranged on the outer side of the frame, and a pallet picking and placing assembly arranged along the transverse direction of the frame, wherein the pallet picking and placing assembly, the pallet unloading docking station, and the plurality of pallet unloading conveying assemblies are arranged correspondingly up and down, and the plurality of pallet unloading conveying assemblies and the plurality of pallet flipping conveying assemblies of the flexible plate flipping device are arranged one by one correspondingly; A plurality of flexible plate detection devices are arranged side by side at the detection station along the horizontal direction of the frame; each of the flexible plate detection devices comprises a flexible plate detection conveying assembly docked with one of the pallet unloading conveying assemblies, a pallet detection lifting assembly arranged in the middle of the flexible plate detection conveying assembly, and a flexible plate detection camera assembly arranged on the frame and located above the flexible plate detection conveying assembly; A pallet stacking cover plate device, comprising a plurality of pallet stacking conveying assemblies arranged side by side at the stacking cover plate station along the transverse direction of the frame, a pallet stacking storage assembly arranged at each of the pallet stacking conveying assemblies, a cover plate loading and unloading platform arranged on the outer side of the frame, and a cover plate picking and placing assembly arranged along the transverse direction of the frame, the cover plate picking and placing assembly and the cover plate loading and unloading platform, and the plurality of pallet stacking storage assemblies are all arranged correspondingly up and down, and the plurality of pallet stacking conveying assemblies and the plurality of flexible plate detection conveying assemblies of the flexible plate detection device are arranged one by one; and, The labeling device comprises a plurality of labeling conveying assemblies arranged side by side at the labeling station along the horizontal direction of the frame, a label printer arranged below the labeling conveying assembly, a label lifting platform corresponding to the label printer, and a label picking and placing assembly arranged on the frame, wherein the label picking and placing assembly, the label lifting platform, and the plurality of labeling conveying assemblies are arranged correspondingly up and down, and the plurality of labeling conveying assemblies are arranged correspondingly to the plurality of tray stacking conveying assemblies.

2. The multi-line flexible plate turning device according to claim 1, characterized in that: The flexible plate turning frame includes a turning seat structure arranged on the frame, a turning support frame rotatably arranged on the turning seat structure, and a turning driving structure arranged on the turning seat structure, wherein the turning driving structure is connected to the turning support frame, and the first tray positioning assembly and the second tray positioning assembly are respectively arranged on the upper and lower sides of the turning support frame; The pallet flip conveyor assembly includes a flip conveyor frame arranged in the middle of the flip support frame, two flip conveyor base plates arranged side by side on the flip conveyor frame, and a first flip conveyor belt and a second flip conveyor belt arranged side by side up and down on the inner side surface of each of the flip conveyor base plates, a conveying limiting gap is formed between the first flip conveyor belt and the second flip conveyor belt on each of the flip conveyor base plates, and the first pallet positioning assembly and the second pallet positioning assembly are located on both sides of the flip conveyor base plates.

3. The multi-line flexible plate flipping device according to claim 2, characterized in that: The first pallet positioning assembly and the second pallet positioning assembly each include a positioning mounting plate arranged at the top or bottom of the flip support frame, a positioning lifting drive structure arranged on the positioning mounting plate, a positioning guide frame movably arranged on the positioning mounting plate, and a lifting positioning plate arranged at the end of the positioning guide frame, the positioning lifting drive structure is connected to the positioning guide frame, and the lifting positioning plate is located between the two flip conveying substrates.

4. The multi-line flexible plate flipping device according to claim 3, characterized in that: The positioning guide frame includes a plurality of guide connecting rods movably arranged on the positioning mounting plate, a guide limiting plate arranged at one end of the plurality of guide connecting rods, and a guide connecting plate arranged at the other end of the plurality of guide connecting rods, the guide limiting plate and the guide connecting plate are respectively located on both sides of the positioning mounting plate, and the positioning lifting drive structure is connected to the guide connecting plate; The lifting and positioning plate includes a positioning pressure plate fixedly connected to the guide connecting plate, and a plurality of positioning protrusions protruding from the positioning pressure plate; or, the lifting and positioning plate includes a positioning pressure plate connected to the guide connecting plate, a positioning guide rod movably passed through the guide connecting plate and connected to the positioning pressure plate, and a plurality of elastic connecting members connected between the guide connecting plate and the positioning pressure plate.

5. The multi-line flexible plate flipping device according to claim 2, characterized in that: The flip seat structure includes two flip supports symmetrically arranged, the flip support frame includes a rectangular frame rotatably arranged between the two flip supports, and the first tray positioning assembly and the second tray positioning assembly are respectively arranged on the upper and lower sides of the rectangular frame; The flip conveyor frame includes a plurality of first conveying support rods arranged side by side on the upper side of the rectangular frame, and a plurality of second conveying support rods arranged side by side on the lower side of the rectangular frame. Each of the flip conveying substrates is slidably inserted through one end of the plurality of first conveying support rods and the plurality of second conveying support rods.

6. The multi-line flexible plate turning device according to any one of claims 1 to 5, characterized in that: The pallet unloading conveying assembly comprises two unloading conveying seats arranged side by side at the pallet unloading station, an unloading frame adjustment structure arranged on each of the unloading conveying seats, an unloading conveying frame slidably arranged on each of the unloading conveying seats, and a pair of unloading conveying belts arranged on the inner sides of the two unloading conveying frames, the unloading conveying frames are connected to the unloading frame adjustment structure, and the pair of unloading conveying belts are connected to the pallet flipping conveying assembly front and back; The pallet unloading docking station includes an unloading platform arranged outside the frame, an unloading lifting drive structure arranged on the unloading platform, and an unloading rack conveying structure connected to the unloading lifting drive structure, and the unloading rack conveying structure is used to convey empty pallets to external conveying equipment; The pallet picking and placing assembly includes a pallet unloading support arranged at the pallet unloading station along the horizontal direction of the frame, a unloading horizontal linear driving member arranged on the pallet unloading support, a unloading lifting linear driving member arranged on the unloading horizontal linear driving member, and an unloading adsorption rack arranged on the unloading lifting linear driving member. The unloading adsorption rack and the unloading rack conveying structure, as well as multiple pairs of the unloading conveyor belts are all arranged correspondingly up and down.

7. The multi-line flexible plate turning device according to any one of claims 1 to 5, characterized in that: The pallet unloading conveying assembly of the pallet unloading device extends from the pallet unloading station to the detection station to form the flexible plate detection conveying assembly of the flexible plate detection device; The pallet detection lifting assembly comprises a pallet lifting seat arranged on the frame, a pallet lifting driving member arranged on the pallet lifting seat, and a pallet lifting plate arranged on the pallet lifting driving member, wherein the pallet lifting plate is located between two flexible plate detection conveyor belts of the flexible plate detection conveyor assembly; The flexible plate detection camera assembly includes a camera mounting frame arranged on the frame, and a camera detection module arranged on the top of the camera mounting frame, and the camera detection module is located above the flexible plate detection conveying assembly.

8. The multi-line flexible plate turning device according to any one of claims 1 to 5, characterized in that: The pallet unloading conveying assembly of the pallet unloading device extends from the pallet unloading station through the detection station to the pallet stacking cover plate station to form the pallet stacking conveying assembly of the pallet stacking cover plate device; The pallet stacking storage assembly comprises a pallet stacking bin arranged on the top of the pallet stacking conveying assembly, a telescopic partition plate structure arranged transversely on the bottom of the pallet stacking bin, and a stacking tray lifting structure arranged between two flexible plate stacking conveyor belts of the pallet stacking conveying assembly, wherein the stacking tray lifting structure is located below the pallet stacking bin; The cover sheet loading docking station includes a cover sheet loading platform arranged on the outside of the frame, a cover sheet loading lifting driving member arranged on the cover sheet loading platform, and a loading rack conveying structure connected to the cover sheet loading lifting driving member, and the loading rack conveying structure is used to receive and convey the cover sheet from an external conveying device; The cover plate picking and placing assembly includes a cover plate loading support arranged at the stacking cover plate station along the horizontal direction of the frame, a loading horizontal linear driving member arranged on the loading support, a loading lifting linear driving member arranged on the loading horizontal linear driving member, and a loading adsorption rack arranged on the loading lifting linear driving member. The loading adsorption rack, the loading rack conveying structure, and the multiple pallet stacking bins are all arranged correspondingly up and down.

9. The multi-line flexible plate turning device according to any one of claims 1 to 5, characterized in that: The label printer comprises a printer translation drive structure disposed at the bottom of the inner cavity of the frame, a printing host connected to the printer translation drive structure, and a label output platform disposed on the printing host, wherein the label output platform is located below the labeling conveying assembly; The label lifting platform includes a label lifting driving structure provided on the side wall of the inner cavity of the frame, and a label adsorption flipping platform protruding from the label lifting driving structure, and the label adsorption flipping platform is correspondingly matched with the label output platform; The label picking and placing assembly includes a label picking and placing bracket arranged at the labeling station on the frame in the horizontal direction, a labeling horizontal linear driving member arranged on the label picking and placing bracket, a labeling lifting linear driving member arranged on the labeling horizontal linear driving member, and a labeling adsorption frame arranged on the labeling lifting linear driving member. The labeling adsorption frame, the label adsorption turning table, and the plurality of labeling conveying assemblies are all arranged correspondingly up and down.

10. A method for turning over a flexible plate, applied to the multi-line flexible plate turning over device as claimed in any one of claims 1 to 9; It is characterized in that The method comprises: The flexible board product to be turned over is placed in the first tray in advance, and the second tray is placed on the flexible board product to form a clamping tray structure that clamps the flexible board product in the middle; The plurality of clamping pallet structures are received and conveyed respectively by the pallet turning conveying components of the plurality of flexible plate turning devices, and a clamping pallet structure is clamped and positioned from both sides by the first pallet positioning component and the second pallet positioning component of each flexible plate turning device, and the clamping pallet structure is turned over by the flexible plate turning frame of each flexible plate turning device, so that the flexible plate product in the clamping pallet structure is turned over from a front-side-up state to a back-side-up state, and the clamping positioning of the turned-over clamping pallet structure is released and then it is conveyed to the pallet unloading device by the pallet turning conveying component; The multiple pallet unloading conveying assemblies of the pallet unloading device respectively receive and convey the flipped clamping pallet structure conveyed by the pallet flipping conveying assemblies of the multiple flexible plate flipping devices, and the pallet picking and placing assemblies respectively grab the first pallet on the top of the flipped clamping pallet structure on the multiple pallet flipping conveying assemblies, transfer and stack it on the pallet unloading docking station, and the pallet flipping conveying assembly conveys the second pallet and the flipped flexible plate product it carries to the flexible plate detection device; The second pallet and the turned-over flex plate products carried by the multiple pallet flipping conveying assemblies of the pallet unloading device are respectively received and conveyed by the multiple pallet flipping conveying assemblies of the pallet unloading device, and the second pallet and the turned-over flex plate products carried by the flexible plate detection conveying assembly are lifted up by the pallet detection lifting assembly, and the turned-over flex plate products on the lifted second pallet are detected by the flexible plate detection camera assembly above the flexible plate detection conveying assembly to determine whether the flex plate products are accurately turned over, and the turned-over flex plate products on the second pallet that have been detected are conveyed to the pallet stacking cover device by the flexible plate detection conveying assembly; The second pallets and the turned-over flexible plate products conveyed by the flexible plate detection conveying components of the multiple flexible plate detection devices are respectively received and conveyed by the multiple pallet stacking conveying components of the pallet stacking cover plate device, and the second pallets are stacked and stored by the pallet stacking storage component at each pallet stacking conveying component, and the cover plates are obtained from the cover plate loading docking station by the cover plate picking and placing component, and transferred and covered on the multiple second pallets stacked to a preset number, and the multiple second pallets covered with the cover plates are conveyed to the label applying device by the pallet stacking conveying component; The multiple labeling conveying components of the label sticking device respectively receive and convey the multiple second pallets covered with covers conveyed by the multiple pallet stacking conveying components of the pallet stacking cover device, the label printed by the label printer is obtained and transferred to the labeling conveying components by the label lifting platform, the label is obtained, transferred and stuck on the multiple second pallets covered with covers on each labeling conveying component from the label lifting platform by the label picking and placing component, and the multiple second pallets with labels are transported to the next workstation by the labeling conveying component.

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