An automatic glass plate feeding device

Abstract

This utility model relates to an automatic glass loading device, including a frame, a glass cart, and a first support, a second support, a conveying mechanism, a picking mechanism, and a lifting mechanism disposed within the frame. The frame has an opening on its side for the glass cart to be inserted. The second support is disposed adjacent to the glass cart and is located within the first support. The lifting mechanism is mounted on the first support and fixedly connected to the second support. The picking mechanism and the conveying mechanism are mounted on the second support. The picking mechanism includes a telescopic rotating component and a picking hook. The output end of the telescopic rotating component is fixedly connected to the picking hook, and the telescopic direction of the telescopic rotating component is parallel to the conveying direction of the conveying mechanism. The picking hook is located near the glass cart's outlet. This device improves glass loading efficiency and reduces the risk of manual intervention.

Description

Technical Field

[0001] This utility model relates to the field of automation devices, and in particular to an automatic glass plate feeding device. Background Technology

[0002] When assembling LED displays, glass is needed as a carrier, and its quality directly affects the display's light transmittance, sealing, and overall structural stability. Currently, the process generally relies on manual placement of the glass onto a conveyor belt, which then transports the glass to a designated workstation for encapsulation. However, this method is difficult to match the pace of automated production lines and does not align with the development trend of intelligent manufacturing. Utility Model Content

[0003] Therefore, it is necessary to provide an automatic glass plate feeding device to address the problem of glass feeding relying on manual operation.

[0004] This utility model provides an automatic glass plate feeding device, including a frame, a glass cart, and a first support, a second support, a conveying mechanism, a material picking mechanism, and a lifting mechanism disposed within the frame. The side of the frame has an opening for the glass cart to be inserted. The second support is disposed adjacent to the glass cart and is located within the first support. The lifting mechanism is mounted on the first support and fixedly connected to the second support. The material picking mechanism and the conveying mechanism are mounted on the second support.

[0005] The material handling mechanism includes a telescopic rotating component and a plate-retrieving hook. The output end of the telescopic rotating component is fixedly connected to the plate-retrieving hook, and the telescopic direction of the telescopic rotating component is parallel to the conveying direction of the conveying mechanism. The plate-retrieving hook is close to the outlet of the glass cart.

[0006] In some embodiments, the glass cart includes a storage rack and a moving assembly. The moving assembly is fixedly connected to the bottom of the storage rack. The storage rack is horizontally provided with a plurality of hollow storage slots adapted to the glass thickness, and the openings of the hollow storage slots are close to the material handling mechanism.

[0007] In some embodiments, a positioning plate is provided on the side of the frame near the glass cart, and a plurality of positioning cylinders are provided on the other side of the frame near the glass cart. When the positioning cylinders are working, the output end of the positioning cylinders abuts against the glass cart and pushes the glass cart to move towards the positioning plate.

[0008] In some embodiments, the moving component includes casters at least at four corners located at the bottom of the frame.

[0009] In some embodiments, the telescopic rotating assembly includes a slide rail, a slider, a telescopic cylinder, a rotary cylinder, and a connecting plate. The slider and the telescopic cylinder are fixedly connected to the second bracket. The slider is slidably connected to the slide rail. The telescopic direction of the telescopic cylinder is parallel to the conveying direction of the conveying mechanism. One end of the connecting plate is fixedly connected to the slide rail, and the other end of the connecting plate is fixedly connected to the output end of the telescopic cylinder. The rotary cylinder is fixedly connected to the connecting plate, and the output end of the rotary cylinder passes through the connecting plate and is fixedly connected to the plate-retrieving hook.

[0010] In some embodiments, a limiting cylinder is fixedly connected to the side of the second bracket away from the glass cart, and the output direction of the limiting cylinder intersects with the conveying direction of the conveying mechanism.

[0011] In some embodiments, the lifting mechanism includes a first drive assembly, a first connecting block, a second connecting block, a first lead screw, a second lead screw, and a plurality of support rods. The two ends of the first lead screw are rotatably connected to one side of the first bracket, and the two ends of the second lead screw are rotatably connected to the other side of the first bracket. The first connecting block is threadedly connected to the first lead screw, and the second connecting block is threadedly connected to the second lead screw. The two sides of the second bracket are fixedly connected to the first connecting block and the second connecting block, respectively. The first drive assembly is fixedly connected to the first bracket and is drively connected to one end of the first lead screw and one end of the second lead screw. The plurality of support rods are disposed on both sides of the first bracket, and after passing through the first connecting block or the second connecting block, the two ends of the support rods are rotatably connected to the first bracket.

[0012] In some embodiments, the first drive assembly includes a first drive motor, a first transmission belt, a first guide wheel, and a second guide wheel. The first drive motor is fixedly connected to the first bracket. The first guide wheel and the second guide wheel are disposed on both sides of the first drive motor. The first transmission belt passes sequentially around the first drive motor, the first guide wheel, one end of the first lead screw, one end of the second lead screw, and the second guide wheel, and then returns to the first drive motor to form a closed loop. One end of the first lead screw and one end of the second lead screw are both provided with toothed profiles adapted to the first transmission belt.

[0013] In some embodiments, the first connecting block is provided with a first bearing, the second connecting block is provided with a second bearing, and the support rod is rotatably connected to the first connecting block through the first bearing, or rotatably connected to the second connecting block through the second bearing.

[0014] In some embodiments, the conveying mechanism includes a first conveyor belt assembly, a second conveyor belt assembly, and a second drive motor. The first conveyor belt assembly and the second conveyor belt assembly are respectively fixedly connected to the two inner sides of the second bracket. The second drive motor is connected to the first conveyor belt assembly and the second conveyor belt assembly. The conveying direction of the first conveyor belt assembly and the conveying direction of the second conveyor belt assembly are parallel to the telescopic direction of the telescopic rotating assembly.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] After being inserted into the glass cart through the opening on the side of the frame, its outlet aligns with the pick-up hook of the material handling mechanism. The lifting mechanism drives the second support to vertically rise and fall within the first support, adjusting the pick-up height to accommodate different glass layers. The telescopic rotating component of the material handling mechanism extends and retracts along the direction of the conveying mechanism, causing the pick-up hook to extend to the bottom of the glass cart. The rotating hook then picks up and moves the glass sheet horizontally to the conveying mechanism. The conveying mechanism then horizontally transports the glass sheet to the next process. This device achieves fully automated material handling, transfer, and conveying through mechanical linkage. The lifting mechanism ensures continuous gripping of multiple layers of glass, and the telescopic rotating component precisely controls the stroke and angle of the pick-up hook to prevent glass scratches. The embedded design of the frame and glass cart makes the overall structure compact and stable in operation, significantly improving loading efficiency and reducing the risk of manual intervention. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the automatic glass plate feeding device shown in an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the internal structure of the automatic glass plate feeding device shown in an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the second support, conveying mechanism, and material handling mechanism from one perspective, as shown in an embodiment of the present utility model.

[0020] Figure 4 This is a schematic diagram of the second support, conveying mechanism, and material handling mechanism from another perspective, as shown in an embodiment of the present utility model.

[0021] Figure 5 This is a schematic diagram of the structure of the glass vehicle shown in an embodiment of the present invention;

[0022] Figure 6 This is a cross-sectional view of the glass vehicle as shown in an embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the structure of the second support and lifting mechanism shown in an embodiment of the present invention. Detailed Implementation

[0024] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0025] It should be noted that when an element is said to be "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly on" another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] See Figures 1 to 3 This utility model embodiment illustrates an automatic glass plate feeding device, comprising a frame 1, a glass cart 2, and a first support 3, a second support 4, a conveying mechanism 5, a material-picking mechanism 6, and a lifting mechanism 7 disposed within the frame 1. The frame 1 has an opening 11 on its side for the glass cart 2 to be inserted. The second support 4 is disposed adjacent to the glass cart 2 and is located within the first support 3. The lifting mechanism 7 is mounted on the first support 3 and fixedly connected to the second support 4. The material-picking mechanism 6 and the conveying mechanism 5 are mounted on the second support 4.

[0028] The material handling mechanism 6 includes a telescopic rotating component 61 and a plate-picking hook 62. The output end of the telescopic rotating component 61 is fixedly connected to the plate-picking hook 62, and the telescopic direction of the telescopic rotating component 61 is parallel to the conveying direction of the conveying mechanism 5. The plate-picking hook 62 is close to the plate outlet of the glass cart 2.

[0029] In this embodiment, the glass cart 2 is embedded inside the device through the opening 11 on the side of the frame 1, and its outlet is aligned with the pick-up hook 62 of the picking mechanism 6 to ensure precise positioning. The lifting mechanism 7 is mounted on the first bracket 3 and fixedly connected to the second bracket 4, which can drive the second bracket 4 to rise and fall vertically within the first bracket 3, thereby adjusting the height of the picking mechanism 6 and the conveying mechanism 5 to accommodate glass sheets with different stacking layers in the glass cart 2. The picking mechanism 6 consists of a telescopic rotating component 61 and a pick-up hook 62, wherein the telescopic rotating component 61 extends in the same direction as the conveying mechanism 5, ensuring that the movement trajectory of the pick-up hook 62 is consistent with the glass sheet conveying direction. When the device is running, the telescopic rotating component 61 first extends horizontally, driving the pick-up hook 62 to extend to the bottom of the glass cart 2 near the opening 11, then rotates at a certain angle to hook the edge of the glass sheet, and then retracts to smoothly pull out the glass sheet and place it on the conveying mechanism 5. The conveying mechanism 5 then starts, conveying the glass sheet to the next processing step along the set direction, completing the automatic feeding process.

[0030] The vertical adjustment function of the lifting mechanism 7 enables the device to adapt to glass plate stacks of different heights, achieving continuous automated material handling and significantly improving production efficiency. The precise extension and rotation of the telescopic rotating component 61 ensures that the pick-up hook 62 can stably grasp the glass plate, avoiding glass scratches or breakage caused by uneven force or angular deviation, thus improving the success rate of material handling. The coordinated work of the conveying mechanism 5 and the material handling mechanism 6 makes the transfer and conveying process of the glass plate smooth and unobstructed, reducing the risk of jamming or misalignment. The embedded design of the frame 1 and the glass cart 2 makes the overall structure compact and the operation stable, effectively reducing labor costs, improving the level of production automation, and ensuring the integrity and safety of the glass plate during the handling process.

[0031] In some embodiments, such as Figure 5 As shown, the glass cart 2 includes a storage rack 21 and a moving component 22. The moving component 22 is fixedly connected to the bottom of the storage rack 21. The storage rack 21 is horizontally provided with a plurality of hollow storage slots 211 adapted to the thickness of the glass, and the opening of the hollow storage slots 211 is close to the material taking mechanism 6.

[0032] In this embodiment, the glass cart 2 achieves stable storage and flexible transportation of glass panels through the cooperation of the storage rack 21 and the moving component 22. The bottom of the storage rack 21 is fixedly connected to the moving component 22, facilitating overall movement and positioning; its horizontally arranged hollow storage slots 211 are precisely matched with the glass thickness, ensuring that the glass panels are stored in layers with proper spacing to avoid collisions. The design of the slot opening facing the picking mechanism 6 allows the glass panels to be directly aligned with the picking station, shortening the picking stroke, significantly improving loading efficiency, and avoiding the risk of glass damage caused by manual handling.

[0033] In some embodiments, such as Figure 5As shown, a positioning plate 12 is provided on the side of the frame 1 near the glass 2 carriage, and several positioning cylinders 13 are provided on the other side of the frame 1 near the glass 2 carriage. When the positioning cylinders 13 are working, the output end of the positioning cylinders 13 abuts against the glass 2 carriage and pushes the glass 2 carriage to move towards the positioning plate 12.

[0034] In this embodiment, the precise positioning of the glass cart 2 is achieved through the coordinated action of the positioning plate 12 and the positioning cylinder 13. When the glass cart 2 enters the frame 1, the positioning cylinder 13 is activated, and its output end pushes the glass cart 2 towards the positioning plate 12 until the glass cart 2 and the positioning plate 12 are completely in contact, ensuring that the outlet of the glass cart 2 is precisely aligned with the material handling mechanism.

[0035] In some embodiments, such as Figure 5 As shown, the moving component 22 includes at least four casters 221 located at the corners of the bottom of the frame 1.

[0036] In this embodiment, the glass cart 2 is moved flexibly and positioned precisely by four casters 221. The casters 221 are distributed at the four corners of the bottom of the frame 1 to ensure stable support and 360° free turning, which facilitates quick alignment with the positioning plate 12 and positioning cylinder 13 to the material picking station, thereby improving positioning efficiency and accuracy.

[0037] In some embodiments, such as Figure 3 and Figure 4 As shown, the telescopic and rotating assembly 61 includes a slide rail 611, a slider 612, a telescopic cylinder 613, a rotating cylinder 614, and a connecting plate 615. The slider 612 and the telescopic cylinder 613 are fixedly connected to the second bracket 4. The slider 612 is slidably connected to the slide rail 611. The telescopic direction of the telescopic cylinder 613 is parallel to the conveying direction of the conveying mechanism 5. One end of the connecting plate 615 is fixedly connected to the slide rail 611, and the other end of the connecting plate 615 is fixedly connected to the output end of the telescopic cylinder 613. The rotating cylinder 614 is fixedly connected to the connecting plate 615, and the output end of the rotating cylinder 614 passes through the connecting plate 615 and is fixedly connected to the plate-retrieving hook 62.

[0038] In this embodiment, the horizontal movement of the pick-up hook 62 is achieved through the sliding cooperation of the slide rail 611 and the slider 612. The telescopic cylinder 613 pushes the connecting plate 615 along the direction of the conveying mechanism 5, causing the slide rail 611 to move horizontally as a whole, so that the pick-up hook 62 can accurately approach or move away from the glass plate. The rotary cylinder 614 is fixed on the connecting plate 615, and its output end drives the pick-up hook 62 to complete a 90° rotation action, realizing the grabbing and turning of the glass plate. Thus, the pick-up hook 62 can both be horizontally telescopically positioned and vertically rotated, which not only ensures the accuracy of the picking position, but also realizes the posture transformation of the glass plate from the storage tank to the conveying mechanism, greatly improving the degree of automation and the continuity of operation.

[0039] In some embodiments, such as Figure 5 and Figure 6 As shown, a limiting cylinder 41 is fixedly connected to the side of the second bracket 4 away from the glass cart 2, and the output direction of the limiting cylinder 41 intersects with the conveying direction of the conveying mechanism 5.

[0040] In this embodiment, the limiting cylinder 41 is fixed on the second bracket 4, and its output end moves perpendicular to the conveying direction of the conveying mechanism 5. When the glass plate is placed on the conveying mechanism 5 by the plate-picking hook 62, the limiting cylinder 41 extends to prevent the glass plate from shifting or slipping, ensuring that it is accurately positioned before entering the conveying process.

[0041] In some embodiments, such as Figure 7 As shown, the lifting mechanism 7 includes a first drive assembly 71, a first connecting block 72, a second connecting block 73, a first lead screw 74, a second lead screw 75, and a plurality of support rods 76. The two ends of the first lead screw 74 are rotatably connected to one side of the first bracket 3, and the two ends of the second lead screw 75 are rotatably connected to the other side of the first bracket 3. The first connecting block 72 is threadedly connected to the first lead screw 74, and the second connecting block 73 is threadedly connected to the second lead screw 75. The two sides of the second bracket 4 are fixedly connected to the first connecting block 72 and the second connecting block 73, respectively. The first drive assembly 71 is fixedly connected to the first bracket 3 and is drively connected to one end of the first lead screw 74 and one end of the second lead screw 75. The plurality of support rods 76 are disposed on both sides of the first bracket 3 and pass through the first connecting block 72 or the second connecting block 73. The two ends of the support rods 76 are rotatably connected to the first bracket 3.

[0042] In this embodiment, the lifting mechanism 7 employs a dual-screw synchronous drive structure to achieve smooth lifting of the second support 4: the first drive assembly 71 simultaneously drives the first screw 74 and the second screw 75 to rotate synchronously via a transmission system, causing the threaded first connecting block 72 and the second connecting block 73 to move along the screw axis, thereby driving the second support 4 fixed thereon to perform vertical lifting motion. Symmetrically arranged support rods 76 on both sides pass through the connecting blocks to form a guide mechanism, effectively constraining the movement trajectory of the connecting blocks and preventing deflection or jamming during lifting. The placement of the first screw 74 and the second screw 75 on both sides of the first support 3, combined with the guiding effect of the support rods 76, ensures that the second support 4 remains horizontal throughout the lifting process. Precise control of the lifting motion is achieved through mechanical synchronous transmission, and the symmetrical arrangement of the dual screws effectively avoids torque imbalance problems that may occur with unilateral drive, significantly improving the stability of the lifting mechanism.

[0043] In some embodiments, the first drive assembly 71 includes a first drive motor 712, a first transmission belt 713, a first guide wheel 714, and a second guide wheel 715. The first drive motor 712 is fixedly connected to the first bracket 3. The first guide wheel 714 and the second guide wheel 715 are disposed on both sides of the first drive motor 712. The first transmission belt 713 passes sequentially around the first drive motor 712, the first guide wheel 714, one end of the first lead screw 74, one end of the second lead screw 75, and the second guide wheel 715, and then returns to the first drive motor 712 to form a closed loop. One end of the first lead screw 74 and one end of the second lead screw 75 are both provided with teeth that are adapted to the first transmission belt 713.

[0044] In this embodiment, the first drive assembly 71 drives the first transmission belt 713 to rotate cyclically via the first drive motor 712, synchronously driving the first lead screw 74 and the second lead screw 75 to rotate using toothed engagement. The first guide wheel 714 and the second guide wheel 715 ensure that the transmission belt is tensioned and precisely engages with the toothed structure at the end of the lead screw, achieving synchronous operation of the two lead screws. This embodiment uses a single motor to drive the two lead screws, ensuring the synchronicity and smooth, reliable lifting motion.

[0045] In some embodiments, the first connecting block 72 is provided with a first bearing 721, the second connecting block 73 is provided with a second bearing 731, and the support rod 76 is rotatably connected to the first connecting block 72 via the first bearing 721, or rotatably connected to the second connecting block 73 via the second bearing 731.

[0046] In this embodiment, when the connecting block moves along the lead screw, the bearing support rod 76 can rotate freely, effectively reducing frictional resistance, avoiding sliding friction between the support rod 76 and the connecting block, and improving the smoothness of the lifting mechanism's operation.

[0047] In some embodiments, such as Figure 4 As shown, the conveying mechanism 5 includes a first conveyor belt assembly 51, a second conveyor belt assembly 52, and a second drive motor 53. The first conveyor belt assembly 51 and the second conveyor belt assembly 52 are respectively fixedly connected to the two inner sides of the second bracket 74. The second drive motor 53 is connected to the first conveyor belt assembly 51 and the second conveyor belt assembly 52. ​​The conveying direction of the first conveyor belt assembly 51 and the conveying direction of the second conveyor belt assembly 52 are parallel to the telescopic rotation assembly 61.

[0048] In this embodiment, the second drive motor 53 synchronously drives the first conveyor belt assembly 51 and the second conveyor belt assembly 52 to operate. The two sets of conveyor belts are arranged in parallel on both sides of the second support 74, and their conveying direction is consistent with the telescopic rotation assembly 61, so as to realize the smooth conveying of the glass plate during the picking and placing process. The symmetrical layout of the two conveyor belts ensures uniform force and avoids the glass plate from shifting or tilting.

[0049] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An automatic glass plate feeding device, characterized in that, The system includes a frame, a glass cart, and a first support, a second support, a conveying mechanism, a material handling mechanism, and a lifting mechanism disposed within the frame. The side of the frame has an opening for the glass cart to be inserted. The second support is disposed adjacent to the glass cart and is located within the first support. The lifting mechanism is mounted on the first support and is fixedly connected to the second support. The material handling mechanism and the conveying mechanism are mounted on the second support. The material handling mechanism includes a telescopic rotating component and a plate-retrieving hook. The output end of the telescopic rotating component is fixedly connected to the plate-retrieving hook, and the telescopic direction of the telescopic rotating component is parallel to the conveying direction of the conveying mechanism. The plate-retrieving hook is close to the outlet of the glass cart.

2. The automatic glass plate feeding device according to claim 1, wherein The glass cart includes a storage rack and a moving assembly. The moving assembly is fixedly connected to the bottom of the storage rack. The storage rack is horizontally provided with a plurality of hollow storage slots adapted to the glass thickness, and the openings of the hollow storage slots are close to the material handling mechanism.

3. The automatic glass plate feeding device according to claim 2, wherein A positioning plate is provided on one side of the frame near the glass cart, and several positioning cylinders are provided on the other side of the frame near the glass cart. When the positioning cylinders are working, the output end of the positioning cylinders abuts against the glass cart and pushes the glass cart to move towards the positioning plate.

4. The automatic glass plate feeding device according to claim 3, wherein The moving component includes at least four casters located at the corners of the bottom of the frame.

5. The automatic glass plate feeding device according to claim 1, wherein The telescopic and rotating assembly includes a slide rail, a slider, a telescopic cylinder, a rotary cylinder, and a connecting plate. The slider and the telescopic cylinder are fixedly connected to the second bracket. The slider is slidably connected to the slide rail. The telescopic direction of the telescopic cylinder is parallel to the conveying direction of the conveying mechanism. One end of the connecting plate is fixedly connected to the slide rail, and the other end of the connecting plate is fixedly connected to the output end of the telescopic cylinder. The rotary cylinder is fixedly connected to the connecting plate, and the output end of the rotary cylinder passes through the connecting plate and is fixedly connected to the plate-retrieving hook.

6. The automatic glass plate feeding device according to claim 1, wherein A limiting cylinder is fixedly connected to the side of the second bracket away from the glass cart, and the output direction of the limiting cylinder intersects with the conveying direction of the conveying mechanism.

7. The automatic glass plate feeding device according to claim 1, wherein The lifting mechanism includes a first drive assembly, a first connecting block, a second connecting block, a first lead screw, a second lead screw, and a plurality of support rods. The two ends of the first lead screw are rotatably connected to one side of the first bracket, and the two ends of the second lead screw are rotatably connected to the other side of the first bracket. The first connecting block is threadedly connected to the first lead screw, and the second connecting block is threadedly connected to the second lead screw. The two sides of the second bracket are fixedly connected to the first connecting block and the second connecting block, respectively. The first drive assembly is fixedly connected to the first bracket and is drively connected to one end of the first lead screw and one end of the second lead screw. The plurality of support rods are disposed on both sides of the first bracket, and after passing through the first or second connecting block, the two ends of each support rod are rotatably connected to the first bracket.

8. The automatic glass plate feeding device according to claim 7, wherein The first drive assembly includes a first drive motor, a first transmission belt, a first guide wheel, and a second guide wheel. The first drive motor is fixedly connected to the first bracket. The first guide wheel and the second guide wheel are located on both sides of the first drive motor. The first transmission belt passes sequentially around the first drive motor, the first guide wheel, one end of the first lead screw, one end of the second lead screw, and the second guide wheel, and then returns to the first drive motor to form a closed loop. One end of the first lead screw and one end of the second lead screw are both provided with toothed profiles that are adapted to the first transmission belt.

9. The automatic glass plate feeding device according to claim 7, wherein The first connecting block is provided with a first bearing, and the second connecting block is provided with a second bearing. The support rod is rotatably connected to the first connecting block through the first bearing, or rotatably connected to the second connecting block through the second bearing.

10. The automatic glass plate feeding device according to claim 1, wherein The conveying mechanism includes a first conveyor belt assembly, a second conveyor belt assembly, and a second drive motor. The first conveyor belt assembly and the second conveyor belt assembly are respectively fixedly connected to the two inner sides of the second bracket. The second drive motor is connected to the first conveyor belt assembly and the second conveyor belt assembly. The conveying direction of the first conveyor belt assembly and the conveying direction of the second conveyor belt assembly are parallel to the telescopic direction of the telescopic rotating assembly.

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