Feeding and discharging device for display screen trays

Abstract

The invention provides a display screen tray feeding and discharging device which comprises a fixed rack provided with a feeding and discharging 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 for the display screen trays, the production efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the field of display panel processing, and in particular to a loading and unloading device for a display screen tray. Background Art

[0002] With the continuous development of electronic smart devices, more and more electronic products are accepted by the public, and people's demand for various electronic products is increasing. As an indispensable component 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 also become diversified.

[0003] As the demand for display screens continues to grow, it is particularly important to improve the production efficiency of display panel processing equipment. However, traditional loading and unloading mechanisms usually use a single conveyor belt for continuous loading and unloading, and cannot prepare materials. This greatly limits the improvement of production efficiency and leads to a waste of time and labor costs. Therefore, there is room for improvement. Summary of the invention

[0004] The object of the present invention is to provide a loading and unloading device for a display screen tray, which can improve production efficiency.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention provides a loading and unloading device for a display screen tray, comprising:

[0007] Fixed frame with loading and unloading area;

[0008] A conveying assembly is installed on the fixed frame, and the conveying assembly includes:

[0009] A conveying frame, installed in the fixed frame;

[0010] A transmission assembly, mounted on the conveyor frame, for conveying the pallet;

[0011] A conveying assembly is installed 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;

[0012] A lifting assembly, mounted on the fixed frame, for lifting the tray located on the transmission assembly and the conveying assembly, wherein the conveying assembly is located between the loading and unloading area and the lifting assembly;

[0013] A suction cup assembly, mounted on the fixed frame, for adsorbing the transmission assembly and the tray on the conveying assembly;

[0014] A transplanting assembly, mounted on the fixed frame, for transferring the tray of the transmission assembly to the conveying assembly via the suction cup assembly, or transferring the tray of the conveying assembly to the transmission assembly;

[0015] A robot 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 to carry the display screen to the tray on the conveying assembly.

[0016] In one embodiment of the present invention, the transmission component comprises at least a first transmission component and a second transmission component; the transmission component comprises at least a first transmission component and a second transmission component;

[0017] 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.

[0018] In one embodiment of the present invention, the first transmission component includes:

[0019] A motor, mounted on the conveyor frame;

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

[0021] at least one transmission roller mounted on the transmission shaft;

[0022] At least one group of transmission wheels, the transmission wheels comprising at least two transmission rollers, the transmission rollers being rotatably mounted on the conveyor frame, each of the transmission rollers corresponding to the two transmission rollers; and

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

[0024] In one embodiment of the present invention, a plurality of lifting assemblies are further included, wherein the lifting assemblies are located in the first transmission assembly and the second transmission assembly; the lifting assemblies are used to separate the pallet from the first transmission assembly and the second transmission assembly; the lifting assemblies include:

[0025] at least one lifting cylinder mounted on the conveyor frame and located on one side of the conveyor belt;

[0026] at least one lifting bearing seat mounted on the conveyor frame and located at the periphery of the lifting cylinder;

[0027] At least one lifting guide shaft, mounted on the lifting bearing seat;

[0028] A connecting rod connected to the movable end of the lifting cylinder and slidably connected to the lifting guide shaft; and

[0029] At least one lifting rod is installed on the connecting rod.

[0030] In one embodiment of the present invention, a plurality of guide components are further included, and the guide components are located at the periphery of the first transmission component and the second transmission component; the guide components are used to adjust the positions of the trays on the first transmission component and the second transmission component; the guide components located on the first transmission component include:

[0031] At least two guide bases are slidably mounted on the conveyor frame and are located on both sides of the first transmission assembly;

[0032] 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

[0033] At least two guide plates are installed on the guide base.

[0034] In one embodiment of the present invention, the lifting assembly comprises:

[0035] A lifting screw structure is installed on the fixed frame; and

[0036] At least one support plate is connected to the movable end of the lifting screw structure, and the support plate is located between the conveyor belts of the second transmission component and the first transmission component.

[0037] In one embodiment of the present invention, 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.

[0038] In one embodiment of the present invention, the suction cup assembly comprises:

[0039] A servo motor is mounted on the fixed frame;

[0040] A servo electric cylinder connected to 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 to the movable end of the servo electric cylinder, wherein the mounting plate is slidably disposed on the suction cup guide shaft;

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

[0044] A suction cup mounting structure, mounted on the suction cup frame; and

[0045] At least one suction cup is mounted on the suction cup mounting seat.

[0046] In one embodiment of the present invention, the suction cup mounting structure comprises:

[0047] At least two fixing plates, the two fixing plates are fixedly connected to two sides of the suction cup frame, and the fixing plates have notches;

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

[0049] 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.

[0050] In one embodiment of the present invention, the transplanting assembly comprises:

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

[0052] A bearing plate connected to the movable end of the linear motor structure and used for bearing the tray sucked up by the suction cup assembly;

[0053] A positioning bar, mounted on the carrying plate;

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

[0055] A clamping strip is connected to the movable end of the clamping cylinder, and the clamping strip and the positioning strip are used for clamping the pallet.

[0056] As described above, the present invention provides a loading and unloading device for display screen trays. By introducing a lifting component and a regularizing component into the tray conveying system, the problems faced by screen manufacturers when producing display screens of different specifications, such as long changeover time, low production efficiency, and high cost, are solved. The design of the system not only improves the precise 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 versatile, reduce mechanical and labor costs, and meet the needs of the continuous development of electronic intelligent devices.

[0057] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0059] Figure 1 It is a schematic diagram of a loading and unloading device of a display screen tray in one embodiment of the present invention;

[0060] Figure 2 is a schematic diagram of a conveying assembly in one embodiment of the present invention;

[0061] Figure 3 is a schematic diagram of a first transmission component in one embodiment of the present invention;

[0062] Figure 4 is a schematic diagram of a jacking assembly in one embodiment of the present invention;

[0063] Figure 5 is a schematic diagram of a guide assembly in one embodiment of the present invention;

[0064] Figure 6 A schematic diagram of a lifting assembly in one embodiment of the present invention;

[0065] Figure 7 It is a schematic diagram of a suction cup assembly and a transplanting assembly in one embodiment of the present invention;

[0066] Figure 8 is a schematic diagram of a suction cup assembly according to an embodiment of the present invention;

[0067] Fig. 9 Schematic diagram of a suction cup installation structure in one embodiment of the present invention.

[0068] In the figure:

[0069] 10. Fix the rack;

[0070] 20. Conveying assembly; 21. Conveying frame; 22. Feed 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 transmission assembly; 252. Second transmission assembly; 26. Guide assembly; 261. Guide plate; 262. Connecting plate; 263. Guide base; 264. Hand-tightening knob; 27. Lifting assembly; 271. Lifting cylinder; 272. Connecting rod; 273. Lifting rod; 274. Lifting guide shaft; 275. Lifting bearing seat;

[0071] 30. Regularization components; 31. Regularization of screw rod structure; 32. Regularization of plates;

[0072] 40. Lifting assembly; 41. Lifting screw structure; 42. Support 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. Clamp; 5172. Fixing plate; 5173. Mounting block; 5174. Suction cup mounting plate; 5175. Suction cup fixing plate; 5176. Scanning code assembly; 518. Suction cup mounting seat; 519. Suction cup; 52. Second suction cup assembly; 53. Feeding position; 54. Handling position;

[0074] 60. Transplanting assembly; 61. Carrying plate; 62. Clamping cylinder; 63. Clamping bar; 64. Positioning bar; 65. Linear motor structure;

[0075] 70. Positioning component;

[0076] 80. Robot assembly;

[0077] 90. Safety grating. DETAILED DESCRIPTION

[0078] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0079] See also Figure 1 The present invention provides a loading and unloading device for a display screen tray, which can be used to automatically remove the display screen from the tray (unloading) or put the display screen into an empty tray (loading) during display panel production. The loading and unloading device may include a fixed frame 10, a conveying component 20, a tidying component 30, a lifting component 40, a suction cup component 50, a transplanting component 60, a positioning component 70, a manipulator component 80, and a safety grating 90. Among them, the conveying component 20, the tidying component 30, the lifting component 40, the suction cup component 50, the transplanting component 60, and the safety grating 90 can be located on the fixed frame 10. A loading and unloading area may be provided on one side of the fixed frame 10. The positioning component 70 and the manipulator component 80 may be located on a side of the fixed frame 10 away from the loading and unloading area.

[0080] See also Figure 1 and Figure 2In one embodiment, the conveying assembly 20 can be installed on the fixed frame 10. The conveying assembly 20 can be used to convey the pallet. The conveying assembly 20 can include a conveying frame 21, a feed conveying roller 22, a discharge conveying roller 23, a transmission assembly, a conveying assembly, a guide assembly 26 and a lifting assembly 27.

[0081] See also Figure 2 In one embodiment, the conveyor frame 21 can be fixedly installed in the fixed frame 10. The transmission component is installed on the conveyor frame 21. The conveying component is also installed on the conveyor frame 21. The direction in which the conveying component conveys the tray is opposite to the direction in which the transmission component conveys the tray. The conveying component cooperates with the conveying component to complete the feeding and unloading of the tray.

[0082] See also Figure 2 In one embodiment, the feed conveyor roller 22 and the discharge conveyor roller 23 can be rotatably mounted on the fixed frame 10 and located on one side of the loading and unloading area. The axis of the feed conveyor roller 22 and the axis of the discharge conveyor roller 23 can be the same. The feed conveyor roller 22 can be matched with a transmission component. The discharge conveyor roller 23 can be matched with a transmission component. The feed conveyor roller 22, the discharge conveyor roller 23, the transmission component, and the transmission component can be located on the same horizontal plane.

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

[0084] See also Figure 2 In one embodiment, during the unloading process, a tray with a display screen is located on the feed conveyor roller 22 of the loading and unloading area. The tray is transferred from the feed conveyor roller 22 to the first transmission component 241. The first transmission component 241 can transfer the tray from the feed conveyor roller 22 to the second transmission component 242. Subsequently, the tray can be transferred from the first transmission component 241 to the first transmission component 251. The display screen in the tray on the first transmission component 251 will be taken out by the robot component 80, and the robot component 80 clamps or sucks the display screen to take the display screen out of the tray. The empty tray after the display screen is taken out can be transferred from the first transmission component 251 to the second transmission component 252. The second transmission component 252 can transfer the empty tray from the first transmission component 251 to the discharge conveyor roller 23 of the loading and unloading area. After the empty tray passes through the discharge conveyor roller 23, the unloading process is completed and it is sent to the storage area or the next station.

[0085] See also Figure 2In one embodiment, during the loading process, an empty pallet is located on the discharge conveyor roller 23 of the loading and unloading area. The empty pallet can be transferred from the discharge conveyor roller 23 to the second conveyor assembly 252. The second conveyor assembly 252 can transfer the empty pallet from the discharge conveyor roller 23 to the first conveyor assembly 251. Subsequently, the manipulator assembly 80 clamps or sucks the display screen from the conveyor belt or other positions, and then places it on the empty pallet on the first conveyor assembly 251. The pallet with the display screen can be transferred from the first conveyor assembly 251 to the second conveyor assembly 242. The second conveyor assembly 242 can transfer the pallet with the display screen from the first conveyor assembly 251 to the first conveyor assembly 241. The first conveyor assembly 241 can transfer the pallet with the display screen from the second conveyor assembly 242 to the feed conveyor roller 22 of the loading and unloading area. After the pallet with the display screen passes through the feed conveyor roller 22, the loading process is completed and it is sent to the next link of the production line.

[0086] See also Figure 2 and Figure 3 In one embodiment, the first transmission component 241, the second transmission component 242, the first conveying component 251, and the second conveying component 252 have the same structure. The first transmission component 241 is used as an example for description. The first transmission component 241 may include a motor 2411, a transmission shaft 2412, a transmission roller 2413, a conveying roller 2414, a conveying belt 2415, and a friction-resistant strip 2416.

[0087] See also Figure 3In one embodiment, a motor 2411 can be installed at the front end of the conveyor frame 21 to provide a power source. The motor 2411 can be 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 be made of high-strength steel 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 the transmission roller 2413 can be one, and the protrusions or grooves on its surface contact the conveyor belt 2415 to drive the conveyor belt 2415 to move. The number of transmission wheels can be at least one group, and the transmission wheel includes at least two transmission rollers 2414. The transmission roller 2414 can be rotatably installed on the conveyor frame 21, corresponding to the transmission roller 2413. The conveyor belt 2415 can be located between the transmission roller 2413 and the transmission roller 2414 for the transmission of the pallet. The conveyor belt 2415 can be made of high-strength, wear-resistant materials to ensure stability and life in 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 pallet and the conveyor belt 2415 to prevent the pallet from sliding during the transmission process. The friction-resistant strips 2416 can be made of a rubber material with a high friction coefficient, which has good wear resistance and durability. Each transmission roller 2413, each group of transmission wheels and each conveyor belt 2415 can correspond to each other, and then the first transmission component 241 can include multiple conveyor belts 2415. Multiple conveyor belts 2415 cooperate with each other to improve the stability of the conveying pallet.

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

[0089] See also Figure 4In one embodiment, the lifting cylinder 271 can be installed on the conveyor frame 21, located on one side of the conveyor belt 2415. The lifting cylinder 271 can provide a lifting force to lift the pallet from the conveyor belt 2415. The lifting cylinder 271 can be driven pneumatically or hydraulically to ensure sufficient lifting force and quick response. The lifting bearing seat 275 can be installed on the conveyor frame 21, located on 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 slidably 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, and at the same time, perform 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 pallet to lift the pallet from the conveyor belt 2415. The lifting rod 273 can be made of wear-resistant and high-strength materials to ensure reliability and life in long-term use.

[0090] See also Figure 2 and Figure 4 In one embodiment, when there is a pallet in front that has not entered the next conveying position, the control system will issue a command 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 pallet at the current position and make it leave the conveyor belt 2415. The lifted pallet is temporarily suspended to avoid interfering with the pallet flowing in from the front. When the pallet flowing in from the front enters the next conveying position, the movable end of the lifting cylinder 271 moves downward, and the lifting rod 273 places the pallet back on the conveyor belt 2415 to continue the conveying process.

[0091] See also 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 transmission assembly 252 to ensure the accurate alignment of the tray during the transmission process. The guide assembly 26 is located at the periphery of the first transmission assembly 241 and the second transmission assembly 252, and is adapted to trays of different specifications by adjusting the spacing between the guide plates 261. The guide assembly 26 may include at least two guide plates 261, a connecting plate 262, at least two guide bases 263, and at least two hand-tightening knobs 264.

[0092] See also Figure 5In one embodiment, the guide assembly 26 installed on both sides of the first transmission assembly 241 is used as an example for explanation. The guide base 263 can be slidably installed on the conveyor frame 21 and is located on both sides of the first transmission assembly 241. The guide base 263 can serve as a sliding support for the guide assembly 26 to ensure that the guide plate 261 can slide along the length direction of the conveyor frame 21 to adjust the spacing. The hand-tightening knob 264 can be connected between the guide base 263 and the conveyor frame 21. The hand-tightening knob 264 can be used to fix and position the guide base 263 to ensure that the adjusted spacing is stable and unchanged. The guide plate 261 is installed on the guide base 263 through the connecting plate 262. The guide plate 261 can be used to guide and adjust the position of the tray to ensure the accurate alignment of the tray during the transmission process. The connecting plate 262 is installed on the guide base 263 and is used to connect the guide plate 261. The connecting plate 262 can provide fixation and support for the guide plate 261 to ensure its stability and strength.

[0093] See also Figure 5 In one embodiment, before the pallet enters the first transmission assembly 241 and the second transmission assembly 252, the operator manually adjusts the position of the guide base 263 according to the specifications of the pallet. When adjusting the position of the guide base 263, loosen the hand knob 264 so that the guide base 263 can slide on the conveyor frame 21. After adjusting to the appropriate position, tighten the hand knob 264 to fix the guide base 263 to ensure that the adjusted spacing is stable and unchanged. The guide plate 261 is installed on the guide base 263 through the connecting plate 262. When the pallet enters, the guide plate 261 will guide and adjust the position of the pallet so that it is accurately aligned on the conveyor belt. By adjusting the spacing between the guide plates 261, pallets of different specifications can be adapted, thereby improving the flexibility and scope of application of the system.

[0094] See also Figure 1 and Figure 6 In one embodiment, the number of the lifting assemblies 40 may be two. The two lifting assemblies 40 may be located on one side of the second transmission assembly 242 and the first transmission assembly 251, respectively. The lifting assembly 40 may be installed on the fixed frame 10, and is used to lift the corresponding trays on the second transmission assembly 242 and the first transmission assembly 251. The lifting assembly 40 may include a lifting screw structure 41 and at least one pallet 42.

[0095] See also Figure 6In one embodiment, the lifting assembly 40 located on one side of the second transmission assembly 242 is used as an example for description. The lifting screw rod structure 41 is installed on the fixed frame 10. The lifting screw rod structure 41 can provide lifting power for the pallet 42, for example, by driving the screw rod to rotate by a motor to achieve the lifting and lowering of the pallet 42. The pallet 42 can be connected to the movable end of the lifting screw rod structure 41 and located between the conveyor belts of the second transmission assembly 242. The pallet 42 can be used to lift the pallet to leave the conveyor belt for the next operation.

[0096] See also Figure 1 and Figure 6 In one embodiment, the number of the arranging components 30 can be matched with the number of the lifting components 40. The lifting components 40 are used to lift the pallet during the conveying process, and the arranging components 30 are used to adjust the position of the pallet while lifting the pallet to ensure the accurate alignment of the pallet during the conveying process. The arranging components 30 may include an arranging screw rod structure 31 and at least two arranging plates 32.

[0097] See also Figure 6 In one embodiment, the regularizing screw rod structure 31 can be installed on the fixed frame 10, located on one side of the lifting assembly 40. The regularizing screw rod structure 31 can provide adjustment power for the regularizing plate 32, and the spacing between the two regularizing plates 32 can be adjusted by driving the screw rod to rotate by the motor. The regularizing screw rod structure 31 has two movable ends, each of which is connected to a regularizing plate 32. The regularizing plates 32 can be connected to the movable ends of the regularizing screw rod structure 31, located on both sides of the support plate 42. The regularizing plates 32 can be used to adjust the position of the pallet to ensure the precise alignment of the pallet during the transmission process. The regularizing plates 32 can adjust the spacing according to the size of the pallet.

[0098] See also 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 may include a first suction cup assembly 51 and a second suction cup assembly 52. ​​The first suction cup assembly 51 is installed on one side of the second transmission assembly 242. The second suction cup assembly 52 is installed on one side of the first transmission 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 may include a servo motor 512, a servo electric 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] See also 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 electric cylinder 511. The rotating end of the servo electric cylinder 511 is connected to the rotating end of the servo motor 512. The piston rod of the servo electric cylinder 511 can be extended and retracted up and down by the drive of the servo motor 512, thereby realizing the vertical movement of the first suction cup assembly 51. The number of suction cup guide shafts 514 is at least one. The suction cup guide shaft 514 is installed on the fixed frame 10. The suction cup guide shaft 514 can provide guidance for the vertical movement of the first suction cup assembly 51 to ensure the stability and accuracy of the movement process. The mounting plate 513 is connected to the movable end of the servo electric cylinder 511. The mounting plate 513 can serve as the main supporting structure of the first suction cup assembly 51, carrying 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 slidably 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 vertical movement, reduce friction and wear, and improve the smoothness of 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 to ensure the installation and use of multiple 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 to 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 to ensure the working stability of the suction cup 519. The number of 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 out of the transmission component or the conveying component through adsorption.

[0100] See also 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 electric cylinder 511 is lifted under the drive of the servo motor 512, causing the suction cup assembly 50 to descend. The suction cup assembly 50 continues to descend until the suction cup 519 contacts the tray and produces an adsorption effect. After the suction cup 519 is adsorbed to the tray, the system will detect whether the adsorption vacuum is stable. If the vacuum is stable, the piston rod of the servo electric cylinder 511 begins to retract, separating the tray from the transmission assembly or the conveying assembly.

[0101] See also Fig. 9In one embodiment, the suction cup mounting structure 517 may 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, and a code scanning component 5176. Among them, the number of fixing plates 5172 is at least two. Two fixing plates 5172 are fixedly connected to both 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 to facilitate 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 screws. The mounting block 5173 can provide support for the clamping plate 5171 to ensure 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 located on both sides. The clamping plate 5171 can provide a mounting position for the suction cup mounting seat 518 and the code scanning component 5176. The clamping plate 5171 has a notch to facilitate the connection and adjustment of the suction cup mounting seat 518. The number of the suction cup mounting seat 518 is at least one. The suction cup mounting seat 518 can be connected to the notch of the clamping plate 5171 by a hand screw. The suction cup mounting seat 518 can fix the suction cup 519 to ensure its stability and position during the adsorption process. The number of the suction cup fixing plate 5175 is at least one. The suction cup fixing plate 5175 can be fixed to the clamping plate 5171 by a hand screw and the suction cup mounting plate 5174. The suction cup fixing plate 5175 can provide additional fixation and support for the suction cup 519 to ensure its stability when working under high load. The suction cup fixing plate 5175 has a notch to facilitate the adjustment and installation of the suction cup 519.

[0102] The number of the code scanning component 5176 is at least one. The code scanning component 5176 can be fixedly connected to one side of the clamping plate 5171. The code scanning component 5176 can be used to scan the logo or QR code on the pallet so that the system can identify and process the pallet information.

[0103] See also Figure 5 and Figure 6 In one embodiment, the transfer assembly 60 can transfer the pallet from the transmission assembly to the transmission assembly, or from the transmission assembly to the transmission assembly. For example, the transfer assembly 60 can transfer the pallet located at the feeding position 53 to the transfer position 54, or transfer the pallet located at the transfer position 54 to the feeding position 53. The transfer assembly 60 can include a carrier plate 61, a clamping cylinder 62, a clamping bar 63, a positioning bar 64, and a linear motor structure 65.

[0104] See also Figure 6In one embodiment, the linear motor structure 65 can be installed on the fixed frame 10. The movable end of the linear motor structure 65 can be used to drive the carrier plate 61 to move horizontally on the fixed frame 10. The carrier plate 61 can be connected to the movable end of the linear motor structure 65. The carrier plate 61 can be used to carry the tray sucked up by the suction cup assembly 50 to ensure the stability and safety of the tray during the transplanting process. The positioning bar 64 can be installed on the carrier plate 61. The positioning bar 64 can provide a positioning reference for the tray to ensure that the tray is accurately positioned on the carrier plate 61. The positioning bar 64 can be designed to be adjustable to accommodate trays of different sizes. The clamping cylinder 62 can be installed on the carrier plate 61. The clamping cylinder 62 can achieve the clamping and loosening of the tray by controlling the movable end of the clamping bar 63 to ensure the stability of the tray during the transplanting process. The clamping bar 63 can be connected to the movable end of the clamping cylinder 62. The clamping bar 63 can cooperate with the positioning bar 64 to clamp the tray to prevent it from sliding or falling during the transplanting process. The clamping strip 63 may be designed to be a flexible material to reduce damage to the pallet.

[0105] See also Figure 1 In one embodiment, the positioning assembly 70 can be installed on one side of the fixed frame 10 to accurately locate the position of the pallet. The positioning assembly 70 uses visual sensing technology to accurately locate the position of the pallet, ensuring that the manipulator assembly 80 can accurately perform the handling operation.

[0106] See also Figure 1 In one embodiment, the robot assembly 80 can be installed on one side of the fixed frame 10 to carry the display screen in the tray on the conveying assembly, or to carry the display screen to the tray on the conveying assembly. The robot assembly 80 can include a robot arm, a gripper, etc. The multi-degree-of-freedom movement of the robot arm can achieve accurate positioning and transportation of the display screen.

[0107] See also Figure 1 In one embodiment, a safety grating 90 may be installed on one side of the fixed frame 10. The safety grating 90 may be located on one side of the loading and unloading area to improve safety.

[0108] It can be seen that in the above scheme, by introducing lifting components and regular components into the pallet conveying system, the problems faced by screen manufacturers in producing display screens of different specifications, such as long changeover time, low production efficiency, and high cost, are solved. The design of the system not only improves the precise alignment and stability of the pallet during the conveying process, but also realizes the material preparation function of the pallet, further improving the automation level and production efficiency of the production line. These improvements make the equipment more flexible and versatile, reduce mechanical and labor costs, and meet the needs of the continuous development of electronic intelligent devices.

[0109] The embodiments of the present invention disclosed above are only used to help illustrate the present invention. The embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope 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 installed in the fixed frame; A transmission assembly, mounted on the conveyor frame, for conveying the pallet; A conveying assembly is installed 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 sucking 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 transmission assembly through the suction cup assembly, or to transfer the tray of the transmission 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 transmission assembly, or to move the display screen to the tray on the transmission assembly.

2. The loading and unloading device for the display tray according to claim 1 is characterized in that: The transmission component comprises at least a first transmission component and a second transmission component; the transmission component comprises at least a first transmission component and a second transmission component; 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 screen tray according to claim 2 is characterized in that: The first transmission component comprises: 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 group of transmission wheels, the transmission wheels comprising at least two transmission rollers, the transmission rollers being rotatably mounted on the conveyor frame, each of the transmission rollers corresponding to the two 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 screen tray according to claim 3 is characterized in that: Also included are a plurality of lifting assemblies, wherein the lifting assemblies are located in 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 at the periphery of the lifting cylinder; At least one lifting guide shaft, mounted on the lifting 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 screen tray according to claim 3, characterized in that: It also includes a plurality of guide components, the guide components are located at the periphery of the first transmission component and the second transmission component; the guide components are used to adjust the positions of the trays on the first transmission component and the second transmission component; the guide components located on the first transmission component include: At least two guide bases are slidably mounted on the conveyor frame and are 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 screen 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 conveyor belts of the second transmission component and the first transmission component.

7. The loading and unloading device for display screen 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 disposed on the suction cup guide shaft; A suction cup frame, 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 seat.

9. The loading and unloading device for display screen tray according to claim 8, characterized in that: The suction cup mounting structure comprises: At least two fixing plates, the two fixing plates are fixedly connected to two sides of the suction cup frame, and the fixing plates have notches; at least two mounting blocks, the mounting blocks being detachably connected to the notches of the fixing plate by 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 bearing plate connected to the movable end of the linear motor structure and used for bearing the tray sucked up by the suction cup assembly; A positioning bar, mounted on the carrying plate; A clamping cylinder mounted on the bearing plate; and A clamping strip is connected to the movable end of the clamping cylinder, and the clamping strip and the positioning strip are used for clamping the pallet.

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