Feeding and discharging device for display screen trays

Abstract

The utility model provides a loading and unloading device for a display screen tray, which comprises a fixed frame provided with a loading and unloading area; the conveying assembly is mounted on the fixed rack; the suction cup assembly is installed on the fixed rack and used for adsorbing the conveying assembly and the trays on the conveying assembly; the transplanting assembly is installed on the fixed rack and used for conveying the trays of the conveying assembly to the conveying assembly through the suction cup assembly or conveying the trays of the conveying assembly to the conveying assembly; and the mechanical arm assembly is installed on one side of the fixed rack and used for carrying the display screen located in the tray on the conveying assembly or carrying the display screen into the tray on the conveying assembly. By means of the feeding and discharging device of the display screen tray, the production efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display panel processing field, especially a kind of display screen tray's feeding and discharging device. BACKGROUND

[0002] With the continuous development of electronic intelligent equipment, more and more electronic products are accepted by the public, and people's demand for various electronic products is increasing. As an indispensable part of electronic products, display screens are constantly updated and iterated to meet the needs of different applications. In order to adapt to display screens of various specifications and sizes, the size of display screen trays has become diversified.

[0003] With the increasing demand for display screens, it is particularly important to improve the production efficiency of display panel processing equipment. However, the traditional feeding and discharging mechanism usually uses a single conveyor belt for continuous feeding and discharging, which cannot prepare materials, which greatly limits the improvement of production efficiency and causes waste of time and personnel cost. Therefore, there is room for improvement. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of display screen tray's feeding and discharging device, can improve production efficiency.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model provides a kind of display screen tray's feeding and discharging device, comprising:

[0007] Fixed rack is equipped with feeding and discharging area;

[0008] Conveying assembly is installed on the fixed rack, and the conveying assembly comprises:

[0009] Conveying rack is installed in the fixed rack;

[0010] Transmission assembly is installed on the conveying rack, for conveying tray;

[0011] Conveying assembly is installed on the conveying rack, for conveying tray;The direction of the conveying assembly conveying tray is opposite to the direction of the transmission assembly conveying tray;

[0012] Lifting assembly is installed on the fixed rack, for lifting the tray on the transmission assembly and the conveying assembly, wherein the conveying assembly is located between the feeding and discharging area and the lifting assembly;

[0013] Suction cup assembly is installed on the fixed rack, for adsorbing the tray on the transmission assembly and the conveying assembly;

[0014] A transplanting assembly is installed on the fixed frame and is used to transfer the tray of the conveying assembly to the conveying assembly by the suction cup assembly, or transfer the tray of the conveying assembly to the conveying assembly;

[0015] A mechanical hand assembly is installed on one side of the fixed frame and is used to carry the display screen in the tray on the conveying assembly or carry the display screen into the tray on the conveying assembly.

[0016] In an embodiment of the present application, the conveying assembly at least includes a first conveying assembly and a second conveying assembly;

[0017] The first conveying assembly and the second conveying assembly are located on one side of the feeding and discharging area, the second conveying assembly and the first conveying assembly are located on one side of the lifting assembly, and the first conveying assembly, the second conveying assembly, the first conveying assembly and the second conveying assembly are of the same structure.

[0018] In an embodiment of the present application, the first conveying assembly includes:

[0019] A motor is installed on the conveying frame;

[0020] A transmission shaft is connected with the rotating end of the motor;

[0021] At least one transmission roller is installed on the transmission shaft;

[0022] At least one set of conveying wheels includes at least two conveying rollers, the conveying rollers are rotatably installed on the conveying frame, and each transmission roller corresponds to two conveying rollers; and

[0023] At least one conveying belt is located on the corresponding transmission roller and conveying roller.

[0024] In an embodiment of the present application, a plurality of jacking assemblies are further included, the jacking assemblies are located in the first conveying assembly and the second conveying assembly, the jacking assemblies are used to separate the tray from the first conveying assembly and the second conveying assembly, and the jacking assembly includes:

[0025] At least one jacking cylinder is installed on the conveying frame and located on one side of the conveying belt;

[0026] At least one jacking bearing seat is installed on the conveying frame and located at the periphery of the jacking cylinder;

[0027] At least one jacking guide shaft is installed on the jacking bearing seat;

[0028] a connecting rod connected with the movable end of the jacking cylinder and slidably connected with the jacking guide shaft; and

[0029] at least one jacking rod mounted on the connecting rod.

[0030] In an embodiment of the present application, a plurality of guide assemblies are further included, which are located at the periphery of the first conveying assembly and the second conveying assembly; the guide assemblies are used to adjust the position of the tray on the first conveying assembly and the second conveying assembly; the guide assembly located on the first conveying assembly comprises:

[0031] at least two guide bases slidably mounted on the conveying frame and located on both sides of the first conveying assembly;

[0032] at least two hand knobs connected between the guide bases and the conveying frame for positioning the guide bases; and

[0033] at least two guide plates mounted on the guide bases.

[0034] In an embodiment of the present application, the lifting assembly comprises:

[0035] a lifting screw structure mounted on the fixed frame; and

[0036] at least one tray connected to the movable end of the lifting screw structure, which is located between the second conveying assembly and the conveying belt of the first conveying assembly.

[0037] In an embodiment of the present application, the suction cup assembly comprises at least a first suction cup assembly and a second suction cup assembly; the first suction cup assembly is located on one side of the second conveying assembly; the second suction cup assembly is located on one side of the first conveying assembly; the first suction cup assembly and the second suction cup assembly have the same structure.

[0038] In an embodiment of the present application, the suction cup assembly comprises:

[0039] a servo motor mounted on the fixed frame;

[0040] a servo cylinder connected with the rotating end of the servo motor;

[0041] at least one suction cup guide shaft mounted on the fixed frame;

[0042] a mounting plate connected with the movable end of the servo cylinder, which is slidably arranged on the suction cup guide shaft;

[0043] a suction cup frame mounted on one side of the mounting plate;

[0044] a suction disc mounting structure mounted on the suction disc frame; and

[0045] at least one suction disc mounted on the suction disc mounting seat.

[0046] In an embodiment of the present application, the suction disc mounting structure comprises:

[0047] at least two fixing plates, two of which are located on both sides of the suction disc frame and have notches on the fixing plates;

[0048] at least two mounting blocks, which are detachably connected to the notches of the fixing plates by hand screws; and

[0049] at least one clamping plate, which is fixed between the mounting blocks on both sides and has notches on the clamping plate, and the suction disc is connected to the notches by hand screws.

[0050] In an embodiment of the present application, the transplanting assembly comprises:

[0051] a linear motor structure mounted on the fixed frame;

[0052] a bearing plate connected to the movable end of the linear motor structure for bearing the tray sucked up by the suction disc assembly;

[0053] a positioning strip mounted on the bearing plate;

[0054] a clamping cylinder mounted on the bearing plate; and

[0055] a clamping strip connected to the movable end of the clamping cylinder, and the clamping strip and the positioning strip are used for clamping the tray.

[0056] As described above, the present application provides a display screen tray feeding and discharging device, which introduces a lifting assembly and a sizing assembly in the tray conveying system, solves the problems of long changeover time, low production efficiency and high cost faced by screen manufacturers when producing different specifications of display screens. The design of the system not only improves the accurate alignment and stability of the tray during conveying, but also realizes the material preparation function of the tray, further improving the automation level and production efficiency of the production line. These improvements make the equipment more flexible and universal, reduce the mechanical and labor costs, and meet the needs of the continuous development of electronic intelligent equipment.

[0057] Of course, implementing any product of the present application does not necessarily require all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0058] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0059] Figure 1 It is a schematic view of the feeding and discharging device of the display screen tray in an embodiment of the present application.

[0060] Figure 2 It is a schematic view of the conveying assembly in an embodiment of the present application.

[0061] Figure 3 It is a schematic view of the first transmission assembly in an embodiment of the present application.

[0062] Figure 4 It is a schematic view of the jacking assembly in an embodiment of the present application.

[0063] Figure 5 It is a schematic view of the guiding assembly in an embodiment of the present application.

[0064] Figure 6 It is a schematic view of the lifting assembly in an embodiment of the present application.

[0065] Figure 7 It is a schematic view of the sucking disc assembly and the transplanting assembly in an embodiment of the present application.

[0066] Figure 8 It is a schematic view of the sucking disc assembly in an embodiment of the present application.

[0067] Figure 9 It is a schematic view of the sucking disc mounting structure in an embodiment of the present application.

[0068] In the drawings:

[0069] 10, fixed rack;

[0070] 20, conveying assembly; 21, conveying rack; 22, feeding conveying roller; 23, discharging conveying roller; 241, first transmission assembly; 2411, motor; 2412, transmission shaft; 2413, transmission roller; 2414, conveying roller; 2415, conveying belt; 2416, friction-resistant strip; 242, second transmission assembly; 251, first conveying assembly; 252, second conveying assembly; 26, guiding assembly; 261, guiding plate; 262, connecting plate; 263, guiding base; 264, hand screw knob; 27, jacking assembly; 271, jacking cylinder; 272, connecting rod; 273, jacking rod; 274, jacking guiding shaft; 275, jacking bearing seat;

[0071] 30, sizing assembly; 31, sizing screw structure; 32, sizing plate;

[0072] 40, lifting assembly; 41, lifting screw structure; 42, supporting plate;

[0073] 50, suction cup assembly; 51, first suction cup assembly; 511, servo electric cylinder; 512, servo motor; 513, mounting plate; 514, suction cup guide shaft; 515, suction cup bearing seat; 516, suction cup frame; 517, suction cup mounting structure; 5171, clamping plate; 5172, fixed plate; 5173, mounting block; 5174, suction cup mounting plate; 5175, suction cup fixed plate; 5176, code scanning assembly; 518, suction cup mounting seat; 519, suction cup; 52, second suction cup assembly; 53, feeding position; 54, carrying position;

[0074] 60, transplanting assembly; 61, supporting plate; 62, clamping cylinder; 63, clamping strip; 64, positioning strip; 65, linear motor structure;

[0075] 70, positioning assembly;

[0076] 80, manipulator assembly;

[0077] 90, safety grating. DETAILED DESCRIPTION

[0078] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0079] Please refer to Figure 1 The present application provides a display screen tray feeding and discharging device. The feeding and discharging device can be used to automatically take out display screens from a tray (discharge) or put display screens into empty trays (feed) in display panel production. The feeding and discharging device can include a fixed rack 10, a conveying assembly 20, a sizing assembly 30, a lifting assembly 40, a suction cup assembly 50, a transplanting assembly 60, a positioning assembly 70, a manipulator assembly 80, and a safety grating 90. The conveying assembly 20, the sizing assembly 30, the lifting assembly 40, the suction cup assembly 50, the transplanting assembly 60, and the safety grating 90 can be located on one side of the fixed rack 10. The fixed rack 10 can be provided with a feeding and discharging area on one side. The positioning assembly 70 and the manipulator assembly 80 can be located on the other side of the fixed rack 10 away from the feeding and discharging area.

[0080] Please refer to Figure 1 andFigure 2 In one embodiment, the conveying assembly 20 can be mounted on the fixed frame 10. The conveying assembly 20 can be used to transfer the tray. The conveying assembly 20 can include a conveying frame 21, an infeed transfer roller 22, an outfeed transfer roller 23, a transfer assembly, a conveying assembly, a guide assembly 26, and a lifting assembly 27.

[0081] Referring to Figure 2 In one embodiment, the conveying frame 21 can be fixedly mounted on the fixed frame 10. The transfer assembly is mounted on the conveying frame 21. The conveying assembly is also mounted on the conveying frame 21. The conveying assembly transfers the tray in a direction opposite to the direction in which the transfer assembly transfers the tray. The conveying assembly and the conveying assembly cooperate to complete the infeed and outfeed of the tray.

[0082] Referring to Figure 2 In one embodiment, the infeed transfer roller 22 and the outfeed transfer roller 23 can be rotatably mounted on the fixed frame 10 and located on one side of the tray loading and unloading area. The infeed transfer roller 22 and the outfeed transfer roller 23 can have the same axis. The infeed transfer roller 22 can cooperate with the transfer assembly. The outfeed transfer roller 23 can cooperate with the conveying assembly. The infeed transfer roller 22, the outfeed transfer roller 23, the transfer assembly, and the conveying assembly can be located on the same horizontal plane.

[0083] Referring to Figure 2 In one embodiment, the transfer assembly includes at least a first transfer assembly 241 and a second transfer assembly 242. The conveying assembly includes at least a first conveying assembly 251 and a second conveying assembly 252. The first transfer assembly 241 and the second conveying assembly 252 can be located on one side of the tray loading and unloading area. The second transfer assembly 242 and the first conveying assembly 251 can be located on one side of the lifting assembly 40.

[0084] Referring to Figure 2 In one embodiment, during the unloading process, the tray with the display screen is located on the infeed transfer roller 22 of the tray loading and unloading area. The tray is transferred from the infeed transfer roller 22 to the first transfer assembly 241. The first transfer assembly 241 can transfer the tray from the infeed transfer roller 22 to the second transfer assembly 242. Subsequently, the tray can be transferred from the first transfer assembly 241 to the first conveying assembly 251. The display screen in the tray on the first conveying assembly 251 can be removed by the robot assembly 80, which clamps or sucks the display screen to remove it from the tray. The empty tray after the display screen is removed can be transferred from the first conveying assembly 251 to the second conveying assembly 252. The second conveying assembly 252 can transfer the empty tray from the first conveying assembly 251 to the outfeed transfer roller 23 of the tray loading and unloading area. After passing through the outfeed transfer roller 23, the empty tray completes the unloading process and is sent to the storage area or the next station.

[0085] Referring toFigure 2 In one embodiment, during the loading process, the empty tray is located on the outfeed conveyor roller 23 of the loading and unloading area. The empty tray can be transferred from the outfeed conveyor roller 23 to the second transfer assembly 252. The second transfer assembly 252 can transfer the empty tray from the outfeed conveyor roller 23 to the first transfer assembly 251. Subsequently, the mechanical hand assembly 80 clamps or sucks the display screen from the conveyor belt or other location and then places it into the empty tray on the first transfer assembly 251. The tray with the display screen can be transferred from the first transfer assembly 251 to the second transfer assembly 242. The second transfer assembly 242 can transfer the tray with the display screen from the first transfer assembly 251 to the first transfer assembly 241. The first transfer assembly 241 can transfer the tray with the display screen from the second transfer assembly 242 to the infeed conveyor roller 22 of the loading and unloading area. After the tray with the display screen passes through the infeed conveyor roller 22, the loading process is completed and the tray is sent to the next link of the production line.

[0086] Referring to Figure 2 and Figure 3 In one embodiment, the first transfer assembly 241, the second transfer assembly 242, the first transfer assembly 251, and the second transfer assembly 252 have the same structure. Take the first transfer assembly 241 as an example for illustration. The first transfer assembly 241 can include a motor 2411, a transmission shaft 2412, a transmission roller 2413, a transfer roller 2414, a transfer belt 2415, and a friction-resistant strip 2416.

[0087] Referring to Figure 3In one embodiment, the motor 2411 can be installed at the front end of the conveying frame 21 to provide a power source. The motor 2411 can employ a servo motor to ensure precise control and high response speed. The transmission shaft 2412 can be connected to the rotating end of the motor 2411 to transmit the power of the motor 2411 to the transmission roller 2413. The transmission shaft 2412 can employ high-strength steel material to ensure good durability and stability during long-term operation. The transmission roller 2413 can be installed on the transmission shaft 2412 and rotate with the transmission shaft 2412. The number of transmission rollers 2413 can be one, which contacts the conveyor belt 2415 through the protrusions or grooves on its surface to drive the conveyor belt 2415 to move. The number of conveyor wheels can be at least one set, and the conveyor wheels include at least two conveyor rollers 2414. The conveyor rollers 2414 can be rotatably installed on the conveying frame 21 and correspond to the transmission roller 2413. The conveyor belt 2415 can be located between the transmission roller 2413 and the conveyor roller 2414 for conveying the tray. The conveyor belt 2415 can employ high-strength and wear-resistant materials to ensure stability and service life during long-term use. The friction-resistant strips 2416 can be located on both sides of the conveyor belt 2415 to increase the friction between the tray and the conveyor belt 2415 and prevent the tray from slipping during the conveying process. The friction-resistant strips 2416 can employ rubber materials with high friction coefficients, which have good wear resistance and durability. Each transmission roller 2413, each set of conveyor wheels, and each conveyor belt 2415 can correspond, and thus the first transmission assembly 241 can include a plurality of conveyor belts 2415. The plurality of conveyor belts 2415 cooperate with each other to improve the stability of the conveyed tray.

[0088] Referring to Figure 2 and Figure 4 In one embodiment, the number of jacking assemblies 27 can be multiple, and the specific number is determined according to the actual needs of the production line. Each jacking assembly 27 is located between the conveyor belt 2415 of the first transmission assembly 241 and the second transmission assembly 252. The jacking assembly 27 can include at least one jacking cylinder 271, at least one jacking bearing seat 275, at least one jacking guide shaft 274, a connecting rod 272, and at least one jacking rod 273.

[0089] Referring to Figure 4In one embodiment, the lifting cylinder 271 can be installed on the conveyor frame 21 at one side of the conveyor belt 2415. The lifting cylinder 271 can provide lifting force to lift the tray from the conveyor belt 2415. The lifting cylinder 271 can be driven by pneumatic or hydraulic power to ensure sufficient lifting force and fast response. The lifting bearing seat 275 can be installed on the conveyor frame 21 at the periphery of the lifting cylinder 271. The lifting bearing seat 275 can provide mounting support for the lifting guide shaft 274 to ensure the stability of the lifting process. The lifting guide shaft 274 can be installed on the lifting bearing seat 275. The lifting guide shaft 274 can guide the sliding movement of the connecting rod 272 to ensure the linearity and stability of the lifting process. The connecting rod 272 can be connected to the movable end of the lifting cylinder 271 and slidingly connected to the lifting guide shaft 274. The connecting rod 272 can transmit the lifting force of the lifting cylinder 271 to the lifting rod 273 while performing linear motion under the guidance of the lifting guide shaft 274. The lifting rod 273 can be installed on the connecting rod 272. The lifting rod 273 can directly contact the bottom of the tray to lift the tray from the conveyor belt 2415. The lifting rod 273 can be made of wear-resistant and high-strength material to ensure reliability and service life during long-term use.

[0090] Referring to Figure 2 and Figure 4 In one embodiment, when there is no tray entering the next conveying position in front, the control system will issue instructions to start the lifting cylinder 271. The movable end of the lifting cylinder 271 moves upward, driving the connecting rod 272 to slide along the lifting guide shaft 274. The upward movement of the connecting rod 272 causes the lifting rod 273 to lift the tray in the current position, causing it to leave the conveyor belt 2415. The lifted tray is temporarily suspended to avoid interference with the tray flowing in front. After the tray flowing in front enters the next conveying position, the movable end of the lifting cylinder 271 moves downward, and the lifting rod 273 places the tray back on the conveyor belt 2415 to continue the conveying process.

[0091] Referring to Figure 2 and Figure 5 In one embodiment, the number of guide assemblies 26 can be multiple. The guide assembly 26 can be used to adjust the position of the tray on the first transmission assembly 241 and the second conveying assembly 252 to ensure accurate alignment of the tray during conveying. The guide assembly 26 is located at the periphery of the first transmission assembly 241 and the second conveying assembly 252, and by adjusting the distance between the guide plates 261, it can adapt to different specifications of trays. The guide assembly 26 can include at least two guide plates 261, a connecting plate 262, at least two guide bases 263, and at least two hand knobs 264.

[0092] Referring to Figure 5In one embodiment, the guiding assembly 26 is exemplified by the guiding base 263 mounted on both sides of the first conveying assembly 241. The guiding base 263 can be slidably mounted on the conveying frame 21 and located on both sides of the first conveying assembly 241. The guiding base 263 can serve as the sliding support of the guiding assembly 26, ensuring that the guiding plate 261 can slide along the length direction of the conveying frame 21 to adjust the spacing. The hand knob 264 can be connected between the guiding base 263 and the conveying frame 21. The hand knob 264 can be used to fix and position the guiding base 263, ensuring that the adjusted spacing remains stable. The guiding plate 261 is mounted on the guiding base 263 through the connecting plate 262. The guiding plate 261 can be used to guide and adjust the position of the tray, ensuring accurate alignment of the tray during the conveying process. The connecting plate 262 is mounted on the guiding base 263 to connect the guiding plate 261. The connecting plate 262 can provide fixation and support for the guiding plate 261, ensuring its stability and strength.

[0093] Referring to Figure 5 In one embodiment, before the tray enters the first conveying assembly 241 and the second conveying assembly 252, the operator manually adjusts the position of the guiding base 263 according to the specifications of the tray. When adjusting the position of the guiding base 263, loosen the hand knob 264 so that the guiding base 263 can slide on the conveying frame 21. After adjusting to the appropriate position, tighten the hand knob 264 to fix the guiding base 263, ensuring that the adjusted spacing remains stable. The guiding plate 261 is mounted on the guiding base 263 through the connecting plate 262, and when the tray enters, the guiding plate 261 will guide and adjust the position of the tray to accurately align it on the conveying belt. By adjusting the spacing between the guiding plates 261, different specifications of trays can be adapted, improving the flexibility and scope of application of the system.

[0094] Referring to Figure 1 and Figure 6 In one embodiment, the number of lifting assemblies 40 can be two. The two lifting assemblies 40 can be located on one side of the second conveying assembly 242 and the first conveying assembly 251, respectively. The lifting assembly 40 can be mounted on the fixed frame 10 and used to lift the tray on the corresponding second conveying assembly 242 and first conveying assembly 251. The lifting assembly 40 can include a lifting lead screw structure 41 and at least one tray plate 42.

[0095] Referring to Figure 6In one embodiment, the lifting assembly 40 is illustrated as an example of the lifting assembly located at one side of the second conveying assembly 242. The lifting lead screw structure 41 is installed on the fixed frame 10. The lifting lead screw structure 41 can provide the lifting power for the lifting of the tray 42, for example, by driving the lead screw to rotate by a motor, to achieve the lifting and lowering of the tray 42. The tray 42 can be connected to the movable end of the lifting lead screw structure 41, between the conveying belts of the second conveying assembly 242. The tray 42 can be used to lift the tray away from the conveying belts for the next operation.

[0096] Referring to Figure 1 and Figure 6 In one embodiment, the number of the sizing assembly 30 can be matched with the number of the lifting assembly 40. The lifting assembly 40 is used to lift the tray during the conveying process, while the sizing assembly 30 is used to adjust the position of the tray during the lifting of the tray to ensure the accurate alignment of the tray during the conveying process. The sizing assembly 30 can include a sizing lead screw structure 31 and at least two sizing plates 32.

[0097] Referring to Figure 6 In one embodiment, the sizing lead screw structure 31 can be installed on the fixed frame 10 at one side of the lifting assembly 40. The sizing lead screw structure 31 can provide the adjustment power for the sizing plates 32, for example, by driving the lead screw to rotate by a motor, to achieve the adjustment of the distance between the two sizing plates 32. The sizing lead screw structure 31 has two movable ends, each of which is connected to one sizing plate 32. The sizing plate 32 can be connected to the movable end of the sizing lead screw structure 31, at both sides of the tray 42. The sizing plate 32 can be used to adjust the position of the tray to ensure the accurate alignment of the tray during the conveying process. The distance between the sizing plates 32 can be adjusted according to the size of the tray.

[0098] Referring to Figure 1 , Figure 7 and Figure 8 In one embodiment, the suction cup assembly 50 can be used to adsorb and separate the tray. The suction cup assembly 50 can include a first suction cup assembly 51 and a second suction cup assembly 52. The first suction cup assembly 51 is installed at one side of the second conveying assembly 242. The second suction cup assembly 52 is installed at one side of the first conveying assembly 251. The first suction cup assembly 51 and the second suction cup assembly 52 have the same structure. The first suction cup assembly 51 can include a servo motor 512, a servo cylinder 511, a mounting plate 513, at least one suction cup guide shaft 514, a suction cup bearing seat 515, a suction cup frame 516, a suction cup mounting structure 517, a suction cup mounting seat 518, and at least one suction cup 519.

[0099] Referring to Figure 8In one embodiment, the servo motor 512 can be installed on the fixed frame 10. The servo motor 512 can realize the lifting movement of the first suction cup assembly 51 by controlling the extension and retraction of the piston rod of the servo cylinder 511. The rotating end of the servo cylinder 511 is connected to the rotating end of the servo motor 512. The piston rod of the servo cylinder 511 can be extended and retracted upward and downward by the driving of the servo motor 512, so as to realize the vertical movement of the first suction cup assembly 51. The number of the suction cup guide shafts 514 is at least one. The suction cup guide shafts 514 are installed on the fixed frame 10. The suction cup guide shafts 514 can provide guidance for the vertical movement of the first suction cup assembly 51, and ensure the stability and precision of the movement process. The mounting plate 513 is connected to the movable end of the servo cylinder 511. The mounting plate 513 can serve as the main support structure of the first suction cup assembly 51, and carry components such as the suction cup bearing seat 515 and the suction cup frame 516. The suction cup bearing seat 515 is connected to the mounting plate 513 and is slidingly arranged on the suction cup guide shaft 514. The suction cup bearing seat 515 can ensure that the first suction cup assembly 51 slides along the guide shaft 514 during the vertical movement, reduce friction and wear, and improve the stability of the movement. The suction cup frame 516 can be installed on one side of the mounting plate 513 through the suction cup bearing seat 515. The suction cup frame 516 can provide support for the suction cup mounting structure 517, and ensure the installation and use of the plurality of suction cups 519. The suction cup mounting structure 517 can be installed on the suction cup frame 516. The suction cup mounting structure 517 can provide fixation and support for the suction cup mounting seat 518, and ensure the installation position and angle of the suction cup 519. The suction cup mounting seat 518 can be installed on the suction cup mounting structure 517. The suction cup mounting seat 518 can fix the suction cup 519 on the suction cup mounting structure 517, and ensure the working stability of the suction cup 519. The number of the suction cups 519 is at least one. The suction cup 519 can be installed on the suction cup mounting seat 518. The suction cup 519 can suck the tray from the transmission assembly or the conveying assembly through the adsorption effect.

[0100] Referring to Figure 7 and Figure 8 In one embodiment, the lifting assembly 40 can lift the tray to a set position. The piston rod of the servo cylinder 511 is lifted under the driving of the servo motor 512, so that the suction cup assembly 50 is lowered. The suction cup assembly 50 continues to descend until the suction cup 519 contacts the tray and generates an adsorption effect. After the suction cup 519 is adsorbed to the tray, the system detects whether the adsorption vacuum is stable. If the vacuum is stable, the piston rod of the servo cylinder 511 begins to retract, so as to separate the tray from the transmission assembly or the conveying assembly.

[0101] Referring to Figure 9In one embodiment, the suction cup mounting structure 517 can include a clamping plate 5171, a fixing plate 5172, a mounting block 5173, a suction cup mounting plate 5174, a suction cup fixing plate 5175, a code scanning assembly 5176. Among them, the number of fixing plates 5172 is at least two. Two fixing plates 5172 are fixedly connected to the two sides of the suction cup frame 516. The fixing plate 5172 can provide a mounting position and support for the mounting block 5173. The fixing plate 5172 has a notch, which facilitates the installation and adjustment of the mounting block 5173. The number of mounting blocks 5173 is at least two. The mounting block 5173 can be detachably connected to the notch of the fixing plate 5172 by hand screwing. The mounting block 5173 can provide support for the clamping plate 5171, ensuring the stability and position of the clamping plate 5171. The number of clamping plates 5171 is at least one. The clamping plate 5171 can be fixed between the mounting blocks 5173 on both sides. The clamping plate 5171 can provide a mounting position for the suction cup mounting seat 518 and the code scanning assembly 5176. The clamping plate 5171 has a notch, which facilitates the connection and adjustment of the suction cup mounting seat 518. The number of suction cup mounting seats 518 is at least one. The suction cup mounting seat 518 can be connected to the notch of the clamping plate 5171 by hand screwing. The suction cup mounting seat 518 can fix the suction cup 519, ensuring its stability and position during the suction process. The number of suction cup fixing plates 5175 is at least one. The suction cup fixing plate 5175 can be fixed on the clamping plate 5171 by hand screwing and the suction cup mounting plate 5174. The suction cup fixing plate 5175 can provide additional fixation and support for the suction cup 519, ensuring its stability during high-load work. The suction cup fixing plate 5175 has a notch, which facilitates the adjustment and installation of the suction cup 519.

[0102] The number of code scanning assemblies 5176 is at least one. The code scanning assembly 5176 can be fixedly connected to one side of the clamping plate 5171. The code scanning assembly 5176 can be used to scan the identification or two-dimensional code on the tray, so that the system can identify and process the tray information.

[0103] Please refer to Figure 5 and Figure 6 In one embodiment, the transplanting assembly 60 can transfer the tray from the conveying assembly to the conveying assembly, or from the conveying assembly to the conveying assembly. For example, the transplanting assembly 60 can carry the tray located at the feeding position 53 to the carrying position 54, or carry the tray located at the carrying position 54 to the feeding position 53. The transplanting assembly 60 can include a carrier plate 61, a clamping cylinder 62, a clamping strip 63, a positioning strip 64, a linear motor structure 65.

[0104] Please refer to Figure 6In an embodiment, the linear motor structure 65 can be installed on the fixed rack 10. The movable end of the linear motor structure 65 can drive the carrying plate 61 to move horizontally on the fixed rack 10. The carrying plate 61 can be connected to the movable end of the linear motor structure 65. The carrying plate 61 can be used to carry the tray sucked by the suction cup assembly 50, ensuring the stability and safety of the tray during the transplanting process. The positioning strip 64 can be installed on the carrying plate 61. The positioning strip 64 can provide a positioning reference for the tray, ensuring the accurate position of the tray on the carrying plate 61. The positioning strip 64 can be designed to be adjustable to accommodate trays of different sizes. The clamping cylinder 62 can be installed on the carrying plate 61. The clamping cylinder 62 can achieve clamping and releasing of the tray by controlling the movable end of the clamping strip 63, ensuring the stability of the tray during the transplanting process. The clamping strip 63 can be connected to the movable end of the clamping cylinder 62. The clamping strip 63 can cooperate with the positioning strip 64 to clamp the tray, preventing it from slipping or falling during the transplanting process. The clamping strip 63 can be designed of flexible material to reduce damage to the tray.

[0105] Referring to Figure 1 In an embodiment, the positioning assembly 70 can be installed on one side of the fixed rack 10 for precise positioning of the tray. The positioning assembly 70 precisely positions the tray through visual sensing technology, ensuring that the manipulator assembly 80 can accurately perform the handling operation.

[0106] Referring to Figure 1 In an embodiment, the manipulator assembly 80 can be installed on one side of the fixed rack 10 for handling the display screen in the tray on the conveying assembly or handling the display screen into the tray on the conveying assembly. The manipulator assembly 80 can include a mechanical arm, a gripper, etc. Through the multi-degree-of-freedom movement of the mechanical arm, the display screen is precisely positioned and handled.

[0107] Referring to Figure 1 In an embodiment, a safety light barrier 90 can also be installed on one side of the fixed rack 10. The safety light barrier 90 can be located on one side of the loading and unloading area to improve safety.

[0108] As can be seen, in the above scheme, by introducing the lifting assembly and the sizing assembly in the tray conveying system, the problems of long changeover time, low production efficiency, and high cost faced by screen manufacturers in producing different specifications of display screens are solved. The design of the system not only improves the accurate alignment and stability of the tray during the conveying process, but also realizes the material preparation function of the tray, further improving the automation level and production efficiency of the production line. These improvements make the equipment more flexible and universal, reduce the cost of machinery and labor, and meet the needs of the continuous development of electronic intelligent devices.

[0109] The above disclosed embodiments of the utility model are only used for helping the utility model to be described. The embodiments do not describe all the details, and also do not limit the utility model to be the specific implementation mode. Apparently, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole range and equivalents.

Claims

1. A loading and unloading device for a display tray, characterized in that: include: Fixed frame with loading and unloading area; A conveying assembly is installed on the fixed frame, and the conveying assembly includes: A conveying frame is installed in the fixed frame; A transmission assembly, mounted on the conveyor frame, for conveying pallets; A conveying assembly is mounted on the conveyor frame and is used to convey the pallet; the direction in which the conveying assembly conveys the pallet is opposite to the direction in which the transmission assembly conveys the pallet; a lifting assembly, mounted on the fixed frame, for lifting the pallets on the transmission assembly and the conveying assembly, wherein the conveying assembly is located between the loading and unloading area and the lifting assembly; a suction cup assembly, mounted on the fixed frame, for adsorbing the pallets on the transmission assembly and the conveying assembly; A transplanting assembly is installed on the fixed frame and is used to transfer the tray of the transmission assembly to the conveying assembly through the suction cup assembly, or to transfer the tray of the conveying assembly to the transmission assembly; a manipulator assembly is installed on one side of the fixed frame and is used to move the display screen in the tray on the conveying assembly, or to move the display screen to the tray on the conveying assembly.

2. The loading and unloading device for display tray according to claim 1, characterized in that: The transmission assembly includes at least a first transmission assembly and a second transmission assembly; the transmission assembly includes at least a first transmission assembly and a second transmission assembly; Among them, the first transmission component and the second transmission component are located on one side of the loading and unloading area; the second transmission component and the first transmission component are located on one side of the lifting component; the first transmission component, the second transmission component, the first transmission component, and the second transmission component have the same structure.

3. The loading and unloading device for display tray according to claim 2, characterized in that: The first transmission component includes: a motor, mounted on the conveyor frame; a transmission shaft connected to the rotating end of the motor; at least one transmission roller mounted on the transmission shaft; At least one set of transmission wheels, the transmission wheels including at least two transmission rollers, the transmission rollers being rotatably mounted on the conveyor frame, each of the transmission rollers corresponding to two of the transmission rollers; and At least one conveyor belt, wherein the conveyor belt is located on the corresponding transmission roller and the conveying roller.

4. The loading and unloading device for display tray according to claim 3, characterized in that: Also included are a plurality of jacking assemblies, wherein the jacking assemblies are located within the first transmission assembly and the second transmission assembly; The lifting assembly is used to separate the pallet from the first transmission assembly and the second transmission assembly; the lifting assembly includes: at least one lifting cylinder mounted on the conveyor frame and located on one side of the conveyor belt; at least one lifting bearing seat mounted on the conveyor frame and located outside the lifting cylinder; At least one jacking guide shaft, mounted on the jacking bearing seat; a connecting rod connected to the movable end of the lifting cylinder and slidably connected to the lifting guide shaft; and At least one lifting rod is installed on the connecting rod.

5. The loading and unloading device for display tray according to claim 3, characterized in that: The system further includes a plurality of guide assemblies, the guide assemblies being located on the periphery of the first transmission assembly and the second transmission assembly; the guide assemblies being used to adjust the positions of the trays on the first transmission assembly and the second transmission assembly; the guide assemblies located on the first transmission assembly include: at least two guide bases, slidably mounted on the conveyor frame and located on both sides of the first transmission assembly; At least two of the hand-tightening knobs are connected between the guide base and the conveyor frame, and are used to position the guide base; and At least two guide plates are installed on the guide base.

6. The loading and unloading device for display tray according to claim 3, characterized in that: The lifting assembly comprises: A lifting screw structure is installed on the fixed frame; and At least one support plate is connected to the movable end of the lifting screw structure, and the support plate is located between the second transmission component and the conveyor belt of the first transmission component.

7. The loading and unloading device for display tray according to claim 3, characterized in that: The suction cup assembly includes at least a first suction cup assembly and a second suction cup assembly; the first suction cup assembly is located on one side of the second transmission assembly; the second suction cup assembly is located on one side of the first transmission assembly; the first suction cup assembly and the second suction cup assembly have the same structure.

8. The loading and unloading device for display screen tray according to claim 7, characterized in that: The suction cup assembly comprises: A servo motor is mounted on the fixed frame; A servo electric cylinder connected to the rotating end of the servo motor; At least one suction cup guide shaft, mounted on the fixed frame; A mounting plate connected to the movable end of the servo electric cylinder, wherein the mounting plate is slidably arranged on the guide shaft of the suction cup; A suction cup frame is mounted on one side of the mounting plate; A suction cup mounting structure, mounted on the suction cup frame; and At least one suction cup is mounted on the suction cup mounting base.

9. The loading and unloading device for display tray according to claim 8, characterized in that: The suction cup mounting structure includes: At least two fixing plates, the two fixing plates being fixedly connected to both sides of the suction cup frame, and each fixing plate having a notch; at least two mounting blocks, each of which is detachably connected to the notch of the fixing plate by means of hand screws; and At least one clamping plate is fixed between the mounting blocks on both sides, the clamping plate is provided with a notch, and the suction cup is connected to the notch by a hand screw.

10. The loading and unloading device for display screen tray according to claim 3, characterized in that: The transplanting assembly comprises: A linear motor structure is mounted on the fixed frame; A carrying plate connected to the movable end of the linear motor structure and used to carry the tray sucked up by the suction cup assembly; A positioning bar, mounted on the carrying plate; a clamping cylinder mounted on the carrying plate; and A clamping bar is connected to the movable end of the clamping cylinder, and the clamping bar and the positioning bar are used for clamping the pallet.

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