Automated docking station mechanism

Abstract

The utility model relates to the field of docking platform discloses automatic docking platform mechanism, including frame and install docking platform bottom plate on the frame still include: mechanical arm, install in docking platform bottom plate, and the execution end of mechanical arm is equipped with the electric clamp jaw for grabbing material, placing rack, install in one side of docking platform bottom plate, be used for receiving and temporary storage material disc, AGV dolly, movable to the below of placing rack, in the utility model, through the accurate butt joint of lifting platform and placing rack, the automatic grabbing of mechanical arm electric clamp jaw, replace manual transfer material disc's operation, avoid the lens pollution or damage risk caused by manual contact, reduce manpower cost investment simultaneously, and the mechanical fixing of the orientation limit and positioning mechanism of U type opening structure, form multiple deviation prevention, prevent mistaken operation mechanism, ensure that material disc is from the position precision of transportation to feeding.

Description

Technical Field

[0001] This utility model relates to the field of connecting platforms, and more particularly to an automatic connecting platform mechanism. Background Technology

[0002] In lens processing, the delivery of the material trays carrying the lenses to the transfer station area needs to take into account the lens precision, the characteristics of the material trays, and the efficiency of process connection. The material transfer station is a key piece of equipment used in automated production lines or logistics systems to achieve efficient material transfer and connection. Its core function is to establish dynamic connections between different processes, equipment, or storage areas to ensure the continuity and accuracy of material flow.

[0003] A search revealed a connecting platform disclosed in publication number CN119117508A. This connecting platform includes a main support frame, a testing platform, a testing device, and a conveyor. The main support frame is embedded in the wall of a warehouse, and has an outer side located in the outer area of ​​the warehouse and an inner side located in the inner area of ​​the warehouse. The main support frame also has an entrance / exit connecting the inner and outer areas of the warehouse for the passage of goods.

[0004] In existing transfer station mechanisms, after the AGVs transport the trays carrying lenses to fixed locations, manual transfer of the trays to the transfer station area is required. This results in poor coordination between equipment and a high degree of reliance on manual intervention. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model solves the problem of an automatic transfer platform mechanism. It resolves the issue that after the AGV transports the tray carrying the lenses to a fixed location, manual transfer of the tray to the transfer platform area is still required, resulting in poor coordination between devices and a high degree of reliance on manual intervention.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0009] The automated docking station mechanism includes a frame and a docking station base plate mounted on the frame, and also includes:

[0010] The robotic arm is mounted on the base plate of the docking platform. The end effector of the robotic arm is equipped with an electric gripper for grasping materials.

[0011] A placement rack, installed on one side of the base plate of the docking station, is used to receive and temporarily store material trays;

[0012] An AGV (Automated Guided Vehicle) trolley, movable to be positioned below the placement rack, the AGV trolley comprising:

[0013] The lifting platform and the transport fixture are provided. The transport fixture is installed on the lifting platform and is used to place the material tray. The lifting platform is used to drive the transport fixture to move up and down in the vertical direction and unload the material tray onto the placement rack.

[0014] In one embodiment, the placement rack includes:

[0015] The positioning mechanism is installed on the bottom plate of the docking station and is located on one side of the tray placement assembly. The positioning mechanism is used to fix the position of the tray after the AGV trolley unloads the tray onto the placement frame.

[0016] Preferably, a sensing component is provided between the frame and the AGV trolley. The sensing component is electrically connected to the robotic arm, the electric gripper, and the positioning mechanism. The sensing component is used to output an electrical signal when the AGV trolley moves to a designated position on one side of the frame.

[0017] In one embodiment, the sensing element includes a through-beam photoelectric sensor.

[0018] In one embodiment, the through-beam photoelectric sensor consists of a receiver and a transmitter. The transmitter is installed on the side of the AGV vehicle near the frame, and the receiver is installed on the side of the frame near the AGV vehicle. The transmitter emits an infrared beam, and the receiver receives the infrared beam. When the AGV vehicle moves to a position where the transmitter and receiver are aligned, the infrared beam is received by the receiver, and the receiver outputs an electrical signal.

[0019] In another embodiment, the sensing component includes an inductive proximity sensor mounted on a frame. A metal trigger block is mounted on the side of the AGV vehicle closest to the frame. The inductive proximity sensor outputs a signal by detecting changes in the electromagnetic induction of the metal trigger block. When the AGV vehicle approaches to a set distance, the inductive proximity sensor is triggered.

[0020] Preferably, the placement rack has a U-shaped opening structure, through which the transport tooling and the material tray enter, and the material tray is unloaded and placed on the placement rack.

[0021] In one embodiment, an electrical cabinet is mounted on the rack for mounting electrical components.

[0022] In a preferred embodiment, four casters are installed at the bottom of the frame, which are used to adjust the level of the frame and to move the frame.

[0023] In a preferred embodiment, the placement rack is equipped with a detection sensor for detecting whether a material tray is placed on the placement rack.

[0024] (III) Beneficial Effects

[0025] This utility model provides an automatic docking platform mechanism. Compared with the prior art, it has the following advantages: by precisely docking the lifting platform with the placement rack and automatically gripping the material with the electric gripper of the robotic arm, it replaces the manual transfer of material trays, avoiding the risk of lens contamination or damage caused by manual contact, while reducing labor costs. Furthermore, the U-shaped opening structure's guiding limit and the mechanical fixing of the positioning mechanism form multiple anti-deviation and anti-misoperation mechanisms, ensuring the positional accuracy of the material tray from transportation to loading, reducing the error rate of the robotic arm in picking up the film, and is especially suitable for the processing needs of precision materials such as lenses. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0028] Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective.

[0029] Figure 3 This is a schematic diagram of the docking platform base plate, robotic arm, and electric gripper structure of this utility model.

[0030] Figure 4 This is a schematic diagram of the frame, placement rack, and positioning mechanism of this utility model.

[0031] Figure 5 This is a schematic diagram of the frame, receiver, and placement rack of this utility model.

[0032] Figure 6 This is a schematic diagram of the AGV trolley, lifting platform, and transport tooling structure of this utility model.

[0033] Figure 7 This is a schematic diagram of the material tray structure of this utility model.

[0034] The attached figures are labeled as follows:

[0035] 100. Rack; 101. Base plate of the docking station; 102. Electrical cabinet; 103. Fusel wheel; 104. Receiver;

[0036] 200. Robotic arm; 201. Electric gripper;

[0037] 300. Placement rack; 301. Material tray; 302. Positioning mechanism; 303. Detection sensor;

[0038] 400. AGV trolley; 401. Transport tooling; 402. Lifting platform; 403. Launcher. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0040] Example 1:

[0041] Reference Figure 1-7 The automatic transfer platform mechanism includes a frame 100 and a transfer platform base plate 101 mounted on the frame 100. It also includes: a robotic arm 200 mounted on the transfer platform base plate 101, with an electric gripper 201 at its end for gripping materials; a placement rack 300 mounted on one side of the transfer platform base plate 101 for receiving and temporarily storing material trays 301; and an AGV trolley 400 movable below the placement rack 300. The AGV trolley 400 includes a lifting platform 402 and a transport fixture 401, wherein the transport fixture 401 is mounted on the lifting platform 402 for placing the material trays 301, and the lifting platform 402 drives the transport fixture 401 to rise and fall vertically, unloading the material trays 301 onto the placement rack 300.

[0042] Furthermore, the robotic arm 200, as an active transfer execution component, has an electric gripper 201 that can precisely grasp the material tray 301; the placement rack 300, as a transfer carrier, provides placement space for the material tray 301; the lifting platform 402 of the AGV trolley 400 adjusts the vertical height of the transport fixture 401 to make the material tray 301 and the placement rack 300 fit together, completing the transfer of the material tray 301 from the AGV trolley 400 to the placement rack 300. The electric gripper 201 automatically grasps the lens in the material tray 301 and completes the loading operation, realizing the full automation, precision and intelligence of the material from handling to loading.

[0043] The above technical solution effectively solves the problems of poor equipment coordination and high dependence on manual intervention in the existing docking station mechanism: through the automated cooperation of the robotic arm 200 and the AGV trolley 400, the need for manual transfer after the material tray 301 is transported is eliminated, and the height adaptation function of the lifting platform 402 ensures the precise docking of the material tray 301 and the placement rack 300, improving the coordination accuracy between equipment; the placement rack 300 makes the material tray 301 flow more smoothly, reduces the waiting time between processes, and improves the automation level and stability of material transfer in the lens processing process as a whole.

[0044] Reference Figure 4 and Figure 5 The placement rack 300 includes a positioning mechanism 302, which is installed on the bottom plate 101 of the docking platform and located on one side of the material tray 301 placement assembly. The positioning mechanism 302 is used to fix the position of the material tray 301 after the AGV trolley 400 unloads the material tray 301 onto the placement rack 300.

[0045] Furthermore, the positioning mechanism 302 of the placement rack 300 serves as an auxiliary fixing component after the transfer of the tray 301. It is installed on the bottom plate 101 of the docking station and corresponds to the side of the tray 301 placement component. After the AGV trolley 400 completes the unloading of the tray 301, it fixes the position of the tray 301 on the placement rack 300, compensating for the slight displacement of the tray 301 that may be caused by the AGV trolley 400 during the unloading process. This provides a stable reference position for the subsequent board 200 to pick up the piece or for the process flow, complementing the temporary storage function of the placement rack 300 and enhancing the positional stability of the tray 301 in the docking station area.

[0046] Specifically, the positioning components include a cylinder, a positioning block, and a stop. The cylinder is mounted on the base plate 101 of the docking platform, the positioning block is mounted on the output shaft of the cylinder, the cylinder stroke is 20mm, and the stop is mounted on the placement frame 300 opposite the positioning block. After the AGV trolley 400 finishes unloading the tray 301, the cylinder pushes the positioning block to move. The positioning block and the stop work together to fix the position of the tray 301 on the placement frame 300.

[0047] In the above technical solution, the positioning mechanism 302 further improves the positioning accuracy of the tray 301 on the placement rack 300, avoiding the displacement of the tray 301 caused by the unloading deviation of the AGV trolley 400 or external vibration, reducing the positioning error and collision risk when the robotic arm 200 picks up the film, which is especially suitable for processing scenarios of precision materials such as lenses; at the same time, its automatic fixing function does not require manual adjustment, and with the coordinated action of the AGV trolley 400 and the robotic arm 200, the entire process of the tray 301 from transportation to temporary storage can be completed without human intervention, enhancing the overall coordination stability and operation efficiency of the equipment.

[0048] Reference Figure 2and Figure 5 A sensing component is provided between the frame 100 and the AGV trolley 400. The sensing component is electrically connected to the robotic arm 200, the electric gripper 201 and the positioning mechanism 302 respectively. The sensing component is used to output an electrical signal when the AGV trolley 400 moves to a designated position on one side of the frame 100.

[0049] The sensing component includes a through-beam photoelectric sensor.

[0050] The through-beam photoelectric sensor consists of a receiver 104 and a transmitter 403. The transmitter 403 is installed on the side of the AGV trolley 400 near the frame 100, and the receiver 104 is installed on the side of the frame 100 near the AGV trolley 400. The transmitter 403 emits an infrared beam, and the receiver 104 receives the infrared beam. When the AGV trolley 400 moves to a position where the transmitter 403 and the receiver 104 are aligned, the infrared beam is received by the receiver 104, and the receiver 104 outputs an electrical signal.

[0051] Furthermore, the sensing components between the frame 100 and the AGV trolley 400 are based on a through-beam photoelectric sensor. By aligning the infrared beams of the transmitter 403 and the receiver 104, a position triggering mechanism between the devices is constructed: when the AGV trolley 400 moves to the designated position, the beam is captured by the receiver 104 and converted into an electrical signal. This signal is synchronously transmitted to the robotic arm 200, the electric gripper 201 and the positioning mechanism 302 through electrical connections, serving as the command source for each device to start coordinated action.

[0052] Specifically, when the AGV trolley 400 moves to the position where the transmitter 403 and receiver 104 are aligned, and the receiver 104 outputs an electrical signal, the principle of its cooperation with the positioning component and automatic fixing of the tray 301 is as follows: The electrical signal output by the receiver 104 is first transmitted to the system control unit. The system control unit, such as a PLC or embedded controller, is installed in the electrical cabinet 102. This control unit pre-stores the logic program for positioning the tray 301. After receiving the signal, it immediately parses it into a control command and sends a start signal to the positioning component. After receiving the start signal, the cylinder of the positioning component immediately moves to push the positioning block to clamp the tray 301, providing a stable reference position for the subsequent gripping of the tray 301 by the robotic arm 200. The whole process is a closed-loop logic that triggers the control unit command through an electrical signal, then executes it through the drive source, and finally provides status feedback, thereby realizing the automated and precise fixing of the tray 301 by the positioning component and meeting the positioning stability requirements of precision lens processing.

[0053] In the above technical solution, the precise alignment judgment of the infrared beam enables non-contact automatic detection of the AGV 400's arrival, eliminating the need for manual intervention to confirm its position. This allows the robotic arm 200, positioning mechanism 302, and other equipment to respond in real time to the arrival status of the AGV 400, reducing process delays caused by manual operation. The high response speed of the through-beam photoelectric sensor ensures that signal transmission is lag-free. Especially in the lens processing scenario, this can reduce the waiting time of the material tray 301 caused by coordination delays, thereby improving the overall turnover efficiency.

[0054] Reference Figure 4 and Figure 5 The placement rack 300 has a U-shaped opening structure. The transport tool 401 and the material tray 301 enter from the U-shaped opening, and unload the material tray 301 and place it on the placement rack 300.

[0055] Furthermore, the opening size is adapted to the shape and specifications of the transport tool 401 and the tray 301, forming a channel for the transport tool 401 to carry the tray 301 in; after the transport tool 401 enters the placement rack 300 area through the opening, with the help of the height adjustment of the lifting platform 402 and the cooperation of the pushing mechanism, the tray 301 is smoothly transferred to the support surface of the placement rack 300. The upright plates on both sides of the U-shaped opening form a preliminary lateral limit on the tray 301 during the transfer process, forming a structured transfer path for the tray 301 from the AGV trolley 400 to the placement rack 300.

[0056] In the above technical solution, the U-shaped opening structure effectively reduces the difficulty of aligning the AGV trolley 400 and the placement rack 300. The guiding effect of the opening reduces the positional deviation when the transport tool 401 enters, and the initial alignment of the material tray 301 can be achieved without manual adjustment, thus improving the smoothness of equipment coordination. At the same time, in conjunction with the fixing action of the subsequent positioning mechanism 302, the process of the material tray 301 from unloading to temporary storage is more stable.

[0057] Reference Figure 1 and Figure 2 An electrical cabinet 102 is installed on the frame 100 for installing electrical components; four casters 103 are installed at the bottom of the frame 100 for adjusting the level of the frame 100 and for moving the frame 100.

[0058] Reference Figure 5 The placement rack 300 is equipped with a detection sensor 303 for detecting whether a material tray 301 is placed on the placement rack 300.

[0059] Furthermore, the detection sensor 303 is a photoelectric sensor, or it can be a pressure sensor. As a status monitoring component for the tray 301, the detection sensor 303 is installed on the support surface or side upright of the placement rack 300. Its detection range covers the preset area where the tray 301 is placed. It can determine the presence of the tray 301 by photoelectric sensing, capacitance change or weight detection. The sensor is electrically connected to the system control unit, and the detection signal is fed back to the control center in real time, serving as the basis for determining the start of the robotic arm 200's grasping action and the generation of subsequent transportation instructions by the AGV trolley 400.

[0060] In the above technical solution, by monitoring the status of the material tray 301 on the placement rack 300 in real time, the robotic arm 200 can avoid performing invalid grasping actions when there is no material tray 301, thereby reducing equipment wear and process stagnation. At the same time, when it is detected that the material tray 301 has been placed, the control unit can be triggered to send an unloading completion signal to the AGV trolley 400, allowing the AGV trolley 400 to leave and perform the next transportation task, thereby improving equipment turnover efficiency. In the lens processing scenario, it can also prevent stacking and squeezing caused by repeated placement of the material tray 301, protecting the lens from damage.

[0061] Example 2:

[0062] The difference between this embodiment and Embodiment 1 is that the sensing component includes an inductive proximity sensor, which is mounted on the frame 100. A metal trigger block is mounted on the side of the AGV 400 near the frame 100. The inductive proximity sensor outputs a signal by detecting the electromagnetic induction change of the metal trigger block. When the AGV 400 approaches to a set distance, the inductive proximity sensor is triggered.

[0063] In this embodiment, the sensing component adopts a combination structure of an inductive proximity sensor and a metal trigger block. The inductive proximity sensor is fixed to the frame 100, and the metal trigger block is installed on the side of the AGV trolley 400 near the frame 100. The two form a non-contact distance detection unit. When the AGV trolley 400 moves to the frame 100 to a set distance, such as 5-30mm, the metal trigger block enters the alternating electromagnetic field range of the sensor. The sensor outputs an electrical signal by detecting the change in electromagnetic induction intensity. This signal is also electrically connected to the robotic arm 200, the electric gripper 201, and the positioning mechanism 302, serving as a trigger command for the coordinated action of the equipment. This forms a position detection scheme with a different principle than the through-beam photoelectric sensor in Embodiment 1.

[0064] In the above technical solution, the inductive proximity sensor does not require optical path alignment and can resist interference from dust, oil, and vibration. It is suitable for scenarios in lens processing where there may be traces of cutting debris or airflow disturbances, reducing false signal triggering caused by environmental factors. Its detection distance can be preset by parameters, allowing the AGV 400 to trigger the signal as it approaches, reserving preparation time for the equipment to act and improving the consistency of coordinated response. At the same time, the metal trigger block is wear-resistant and has a long lifespan, reducing the frequency of sensor maintenance and improving the overall reliability and environmental adaptability of the sensing system.

[0065] The following is a brief introduction to the operating principle and method of the automatic shuttle platform mechanism proposed in this application:

[0066] The transport fixture 401 of the AGV trolley 400 carries the tray 301 containing the lens and moves it to the bottom of the placement rack 300 according to a preset path. The casters 103 at the bottom of the frame 100 are adjusted for levelness to ensure the stability of the overall mechanism and provide a reference for subsequent docking. When the AGV trolley 400 reaches the designated position, in Embodiment 1, the transmitter 403 of the through-beam photoelectric sensor aligns with the receiver 104, the infrared beam is received and converted into an electrical signal. In Embodiment 2, the AGV trolley 400 approaches to a set distance, the metal trigger block enters the electromagnetic field range of the inductive proximity sensor, the sensor outputs an electrical signal, and this signal is transmitted to the control unit in the electrical cabinet 102 to confirm that the AGV trolley 400 is in place. The control unit instructs the lifting platform 402 on the AGV trolley 400 to start, driving... The conveying fixture 401 is vertically lifted so that the material tray 301 is at the same height as the U-shaped opening support surface of the placement rack 300. The conveying fixture 401 enters the area of ​​the placement rack 300 through the U-shaped opening and transfers the material tray 301 to the support surface of the placement rack 300. The lifting platform 402 is lowered, and the material tray 301 is unloaded onto the placement rack 300. After the detection sensor 303 detects the presence of the material tray 301, the control unit sends a start signal to the positioning mechanism 302. The cylinder drives the positioning block to move and cooperate with the opposite stop block to clamp the material tray 301. The unloading deviation is eliminated by mechanical limit. After the positioning is completed, the control unit instructs the robotic arm 200 to start. The electric gripper 201 at the execution end of the robotic arm accurately grabs the lens in the material tray 301 according to the reference position provided by the positioning mechanism 302 and completes the loading operation according to the preset path.

[0067] In summary, compared with the prior art, the automatic shuttle platform mechanism proposed in this application has the following beneficial effects:

[0068] By precisely docking the lifting platform 402 with the placement rack 300 and automatically gripping the material with the electric gripper 201 of the robotic arm 200, the manual transfer of the material tray 301 is replaced, avoiding the risk of lens contamination or damage caused by manual contact. At the same time, it reduces labor costs. Furthermore, the U-shaped opening structure guides and limits the mechanical fixation of the positioning mechanism 302, forming multiple anti-deviation and anti-misoperation mechanisms to ensure the positional accuracy of the material tray 301 from transportation to loading, reducing the error rate of the robotic arm 200 in picking up lenses. It is especially suitable for the processing needs of precision materials such as lenses.

[0069] By detecting the real-time position of the sensing components, the AGV 400, robotic arm 200, and positioning mechanism 302 are linked by electrical signals, reducing process stagnation caused by delays in manual confirmation, enabling fully automated cycles, reducing process waiting time, and improving the overall smoothness of the production line operation.

[0070] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0071] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An automatic docking station mechanism, comprising a frame (100) and a docking station base plate (101) mounted on the frame (100), characterized in that, Also includes: A robotic arm (200) is mounted on the base plate (101) of the docking platform. The end of the robotic arm (200) is equipped with an electric gripper (201) for gripping materials. A placement rack (300) is installed on one side of the base plate (101) of the docking station for receiving and temporarily storing the material tray (301); An AGV (400) is movable below the placement rack (300). The AGV (400) includes: The lifting platform (402) and the transport fixture (401) are provided. The transport fixture (401) is installed on the lifting platform (402) and is used to place the material tray (301). The lifting platform (402) is used to drive the transport fixture (401) to rise and fall in the vertical direction and unload the material tray (301) onto the placement rack (300).

2. The automatic shuttle platform mechanism according to claim 1, characterized in that, The placement rack (300) includes: The positioning mechanism (302) is installed on the bottom plate (101) of the docking station and is located on one side of the tray (301) placement component. The positioning mechanism (302) is used to fix the position of the tray (301) after the AGV trolley (400) unloads the tray (301) onto the placement rack (300).

3. The automatic shuttle platform mechanism according to claim 2, characterized in that, A sensing component is provided between the frame (100) and the AGV trolley (400). The sensing component is electrically connected to the robotic arm (200), the electric gripper (201), and the positioning mechanism (302). The sensing component is used to output an electrical signal when the AGV trolley (400) moves to a designated position on one side of the frame (100).

4. The automatic shuttle platform mechanism according to claim 3, characterized in that, The sensing component includes a through-beam photoelectric sensor.

5. The automatic shuttle platform mechanism according to claim 4, characterized in that, The through-beam photoelectric sensor consists of a receiver (104) and a transmitter (403). The transmitter (403) is installed on the side of the AGV (400) near the frame (100), and the receiver (104) is installed on the side of the frame (100) near the AGV (400). The transmitter (403) emits an infrared beam, and the receiver (104) receives the infrared beam. When the AGV (400) moves to the position where the transmitter (403) and the receiver (104) are aligned, the infrared beam is received by the receiver (104), and the receiver (104) outputs an electrical signal.

6. The automatic shuttle platform mechanism according to claim 3, characterized in that, The sensing component includes an inductive proximity sensor, which is mounted on the frame (100). A metal trigger block is installed on the side of the AGV (400) near the frame (100). The inductive proximity sensor outputs a signal by detecting the electromagnetic induction change of the metal trigger block. When the AGV (400) approaches to a set distance, the inductive proximity sensor is triggered.

7. The automatic shuttle platform mechanism according to claim 2, characterized in that, The placement rack (300) has a U-shaped opening structure. The transport tool (401) and the tray (301) enter from the U-shaped opening and unload the tray (301) and place it on the placement rack (300).

8. The automatic shuttle platform mechanism according to claim 1, characterized in that, An electrical cabinet (102) is mounted on the frame (100) for installing electrical components.

9. The automatic shuttle platform mechanism according to claim 8, characterized in that, The bottom of the frame (100) is equipped with four casters (103), which are used to adjust the level of the frame (100) and to move the frame (100).

10. The automatic shuttle platform mechanism according to claim 1, characterized in that, The placement rack (300) is equipped with a detection sensor (303) for detecting whether a material tray (301) is placed on the placement rack (300).

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