An automatic tray feeding mechanism

Abstract

This invention relates to the field of electronic paper transport technology, and more particularly to an automatic tray feeding mechanism, comprising a base and a transport trolley placed beside the base. A support frame is fixed on the base, and a lifting frame that can slide up and down is provided on the support frame. The lifting frame is provided with a support component for lifting the tray and a pulling component for pulling the tray from the transport trolley onto the support component. A conveying component is provided on the base directly below the support component. The transport trolley includes a movable support frame, within which are installed several support components for supporting the tray, arranged in a stacked manner. Multiple trays placed in the support frame are layered, and through the cooperation of the support component and the pulling component, the trays in the support frame are unloaded one by one, so that tray jamming does not occur during the transport of the trays to the next process, greatly improving the automatic tray feeding efficiency.

Description

Technical Field

[0001] This invention relates to the field of electronic paper transport technology, and in particular to an automatic tray feeding mechanism. Background Technology

[0002] With the development of electronic technology, the concept of electronic paper, also known as digital paper, has emerged. It is an ultra-thin, ultra-light display screen, essentially a "display that is as thin, flexible, and erasable as paper." In the processing of electronic paper, the first step is feeding (or loading). Before feeding, the electronic paper to be processed needs to be placed in a tray to prevent damage during transportation. The tray is then transported to a designated location for further feeding. An automatic tray loading device is described below:

[0003] Chinese patent document CN115448044A discloses a tray loading device, specifically comprising a loading mechanism, a transport mechanism, a lifting mechanism, and a storage mechanism. Two transport mechanisms are provided. Trays containing materials are stored in the loading mechanism. The loading mechanism loads the trays containing materials to one of the transport mechanisms. The transport mechanism moves the loaded trays to a designated position, and a handling mechanism transports the materials to a subsequent workstation. The transport mechanism moves empty trays to the lifting mechanism. The lifting mechanism moves the empty trays to the other transport mechanism. The transport mechanism transports the empty trays to the storage mechanism, and the storage mechanism stacks and stores the empty trays.

[0004] As described above, existing tray loading devices first lift the second tray from the bottom up, causing the first tray to move downwards and separate from the second. After separation, the tray is placed on the transport mechanism, completing the loading process. However, the trays on the loading mechanism are stacked together, and the gaps between the stacked trays may be inconsistent. When the gaps are misaligned, trays can easily get stuck, causing damage and affecting subsequent loading efficiency. Therefore, an automatic tray feeding mechanism is provided to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic tray feeding mechanism to address the shortcomings of existing technologies, thereby solving the technical problem that existing tray feeding devices are prone to jamming the trays during feeding.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows:

[0007] An automatic tray feeding mechanism includes a base and a material transport trolley placed beside the base. A support frame is fixed on the base, and a lifting frame that can slide up and down is provided on the support frame. The lifting frame is provided with a support component for lifting the tray and a material pulling component for pulling the tray on the material transport trolley onto the support component. A material conveying component is provided on the base and placed directly below the support component.

[0008] The material transport trolley includes a movable support frame, within which are installed several support components for supporting the tray, which are arranged in a stacked manner.

[0009] Furthermore, each layer of support components is equipped with a clamping mechanism for securing the tray.

[0010] Furthermore, the tray includes a rectangular frame and a tray base located at the bottom of the frame.

[0011] Furthermore, the supporting component includes a second slide rail mounted on the lifting frame. The second slide rail is horizontally arranged, and a pair of movable plates, respectively positioned on both sides of the material pulling component, are slidably mounted on the second slide rail. The lifting frame is equipped with a pair of mirror-arranged first cylinders, and the ends of the telescopic rods of the first cylinders are fixedly connected to different movable plates to push the movable plates on both sides to slide towards each other or away from each other. On the side where the movable plates on both sides are close to each other, a number of support rollers for supporting the tray are provided, and the support rollers are arranged in an array along the horizontal direction.

[0012] Furthermore, the material pulling component includes a fixed frame mounted on the lifting frame, a third slide rail arranged horizontally on the fixed frame, and the length direction of the third slide rail being perpendicular to the length direction of the second slide rail. A sliding seat is provided on the third slide rail, which can slide towards or away from the material transport trolley. A second cylinder with its telescopic rod facing downward is mounted on the sliding seat, and a gripper for gripping the tray is fixed to the end of the telescopic rod of the second cylinder.

[0013] Furthermore, the material conveying component includes a pair of horizontally arranged support rods, which are parallel to each other, and each support rod is provided with several conveying rollers for conveying trays. The conveying rollers are arranged in a horizontal array, and a transmission component is provided between adjacent conveying rollers on the same support rod. A synchronous shaft is provided between the support rods on both sides, and the synchronous shaft is connected to the transmission components on both sides to enable the conveying rollers on both sides to rotate synchronously. A drive motor for driving the synchronous shaft to rotate is provided on the base.

[0014] Furthermore, the support component includes a pair of crossbars placed at the same height and fixedly installed with the support frame. The crossbars are arranged opposite each other, and several pulleys for supporting the frame of the tray are provided on the crossbars, and the pulleys are arranged in an array along the horizontal direction.

[0015] Furthermore, a slot is provided at the bottom of the frame for the clamping mechanism to engage; the clamping mechanism includes a fixed seat on the crossbar, the fixed seat is located at the end of the crossbar near the opening of the support frame, and a locking block is provided on the fixed seat that can automatically engage in the slot.

[0016] Furthermore, a rotating shaft is provided on the fixed base, which is arranged horizontally in the axial direction and perpendicular to the length direction of the crossbar. One end of the locking block is fixedly connected to the rotating shaft, and the other end is used to lock into the locking groove to lock the tray. A spring is provided between the locking block and the fixed base to apply force to the locking block. An arc-shaped sliding groove is provided on the locking block, and a fixing post is also provided on the fixed base, with one end of the fixing post placed in the arc-shaped sliding groove.

[0017] Furthermore, a third cylinder with a telescopic rod facing the support frame is provided on the movable plate, and a push rod for pushing the block out of the slot is fixed on the end of the telescopic rod of the third cylinder.

[0018] The beneficial effects of this invention are as follows: After the material transport trolley carrying multiple trays is moved to the designated position, the lifting frame is first driven to the designated height so that the material pulling component is aligned with one of the trays on the material transport trolley. Then, the material pulling component is operated to pull the tray from the material transport trolley to the supporting component. The lifting frame is then driven to descend to the lowest position. During the descent, the material pulling component also acts as a limiter for the tray. After the lifting frame is driven to the lowest position, the supporting component is operated to place the tray on the conveying component. Finally, the conveying component is operated to transport the tray to the next process, realizing automatic feeding of the trays. Subsequently, the supporting component and the material pulling component are reset to remove the other tray from the material transport trolley, realizing automatic unloading of the trays on the material transport trolley.

[0019] In addition, the material handling trolley includes a support frame and several support components set in the support frame. The support components are stacked to support the trays, so that multiple trays placed in the support frame can be placed in layers. Through the cooperation of the supporting components and the pulling components, the trays in the support frame are unloaded one by one, so that there will be no tray jamming during the process of transporting the trays to the next process, which greatly improves the automatic feeding efficiency of the trays. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a partial structural schematic diagram of the present invention.

[0022] Figure 3 This is a partial structural schematic diagram from another perspective of the present invention.

[0023] Figure 4 This is a schematic diagram of the structure of the Tray disk of the present invention.

[0024] Figure 5 This is a schematic diagram of the structure of the supporting component and the pulling component of the present invention.

[0025] Figure 6 This is a schematic diagram of the supporting component of the present invention.

[0026] Figure 7 This is a schematic diagram of the material conveying component of the present invention.

[0027] Figure 8 This is a schematic diagram of the material transport trolley of the present invention.

[0028] Figure 9 This is a schematic diagram of the material transport trolley structure from another perspective of the present invention.

[0029] Figure 10 This is a schematic diagram of the structure of the support component of the present invention.

[0030] Figure 11 This is an enlarged view of part A of the present invention.

[0031] The reference numerals in the figures include:

[0032] 1. Support frame; 101. Handrail; 102. Casters; 103. Crossbar; 104. Pulley; 105. Tray; 10501. Frame; 10502. Tray bottom; 10503. Slot; 10504. Positioning protrusion; 10505. Positioning hole; 106. Fixing base; 107. Rotating shaft; 108. Fixing column; 109. Locking block; 1010. Arc-shaped slide groove; 1011. Spring; 1012. Positioning wheel; 1013. Magnet;

[0033] 1014. Base; 1015. Support frame; 1016. Sprocket; 1017. Chain; 1018. First slide rail; 1019. Lifting frame; 1020. Supporting component; 10201. Second slide rail; 10202. Movable plate; 10203. Support roller; 10204. First cylinder; 1021. Material pulling component; 10211. Fixed frame; 10212. Third slide rail; 10213. Sliding seat; 10214. Second cylinder; 0215. Gripper; 10216. Gear; 10217. Toothed belt; 10218. First stepper motor; 1022. Conveying component; 10221. Support rod; 10222. Conveying roller; 10223. Transmission component; 10224. Synchronous shaft; 10225. Drive motor; 1023. Bridge roller; 1024. Positioning block; 1025. Electromagnet; 1026. Third cylinder; 1027. Push rod; 1028. Second stepper motor. Detailed Implementation

[0034] The following is a detailed description of an automatic tray feeding mechanism according to the present invention, with reference to the accompanying drawings.

[0035] like Figure 1-3 As shown, an embodiment of the automatic tray feeding mechanism of the present invention includes a base 1014 and a material transport trolley placed beside the base 1014. The material transport trolley is used to transport multiple trays 105 containing electronic paper. The trays 105 are stacked. A support frame 1015 is fixedly provided on the base 1014, and a plurality of vertically arranged first slide rails 1018 are installed on the support frame 1015. A lifting frame 1019 that can slide up and down is provided on the first slide rails 1018. Under the action of the first slide rails 1018, the lifting frame 1019 slides up and down on the support frame 1015. However, in order to enable the lifting frame 1019 to... The lifting frame 1019 slides automatically. A sprocket 1016 is provided at both the upper and lower ends of the support frame 1015, and a chain 1017 is wound around the sprocket 1016. Part of the chain 1017 is fixedly mounted to the lifting frame 1019. A second stepper motor 1028 with an output shaft fixedly mounted to one of the sprockets 1016 is installed on the support frame 1015. When it is necessary for the lifting frame 1019 to slide up and down on the support frame 1015, the second stepper motor 1028 is activated, thereby driving the sprocket 1016 to rotate. At the same time, the chain 1017 moves, carrying the lifting frame 1019 up and down on the support frame 1015, driving the lifting frame 1019 to the designated position.

[0036] To remove the trays 105 one by one from the material handling trolley, the lifting frame 1019 is equipped with a support component 1020 for lifting the trays 105 and a pulling component 1021 for pulling the trays 105 from the material handling trolley onto the support component 1020. A conveying component 1022 is located directly below the support component 1020 on the base 1014. After the material handling trolley carrying multiple trays 105 is moved to the designated position, the second stepper motor 1028 is first started to drive the lifting frame 1019 to the designated height, aligning the pulling component 1021 with one of the trays 105 on the material handling trolley. Then, the pulling component 1021 is operated to remove the tray 105 from the material handling trolley. The trolley is pulled onto the supporting component 1020, and the second stepper motor 1028 is started again to drive the lifting frame 1019 to descend to the lowest position. During the descent, the pulling component 1021 can also limit the Tray 105. After the lifting frame 1019 is driven to the lowest position, the supporting component 1020 is operated to place the Tray 105 on the conveying component 1022. Finally, the conveying component 1022 is operated to transport the Tray 105 to the next process. Then, the supporting component 1020 and the pulling component 1021 are reset to remove the other Tray 105 from the material transport trolley. With the cooperation of each component, the automatic material feeding of the Tray 105 is realized.

[0037] like Figure 4 As shown, the tray 105 includes a rectangular frame 10501 (the shape of the electronic paper is also rectangular), and a tray bottom 10502 is provided at the bottom of the frame 10501. The frame 10501 and the tray bottom 10502 are combined to form a tray 105 for holding electronic paper.

[0038] like Figure 5As shown, the supporting component 1020 includes a second slide rail 10201 mounted on the lifting frame 1019. The second slide rail 10201 is horizontally arranged, and a pair of movable plates 10202 respectively positioned on both sides of the pulling component 1021 are slidably mounted on the second slide rail 10201. A pair of mirror-arranged first cylinders 10204 are also mounted on the lifting frame 1019, and the ends of the telescopic rods of the first cylinders 10204 are fixedly connected to different movable plates 10202 to push the movable plates 10202 on both sides to slide in a direction that moves closer to or further away from each other, thereby adjusting the distance between the movable plates 10202 on both sides. On the side of the two movable plates 10202 that are close to each other, there are several support rollers 10203 for supporting the tray 105, and the support rollers 10203 are arranged in an array along the horizontal direction. After the tray 105 on the material transport trolley is pulled between the two movable plates 10202 by the material pulling component 1021, the frame 10501 of the tray 105 is supported by the support rollers 10203. In addition, the friction is reduced during the pulling process, and the unloading efficiency is improved. Additionally, after the lifting frame 1019 descends to its lowest point, the tray 105 is placed on the conveying component 1022. Then, the first cylinder 10204 is activated to drive the movable plates 10202 on both sides to slide away from each other, thereby causing the support rollers 10203 to disengage from the frame 10501 of the tray 105, thus completing the unloading process of the tray 105. Finally, the conveying component 1022 is activated to feed the tray 105 to the next process. Simultaneously, as the lifting frame 1019 moves upward, the first cylinder 10204 drives the movable plates 10202 on both sides to move closer together and reset.

[0039] like Figure 5-6As shown, the material pulling component 1021 includes a fixed frame 10211 mounted on the lifting frame 1019 and positioned between two movable plates 10202 on both sides. A horizontally arranged third slide rail 10212 is provided on the fixed frame 10211, and the length direction of the third slide rail 10212 is perpendicular to the length direction of the second slide rail 10201. A sliding seat 10213 is provided on the third slide rail 10212, and the sliding seat 10213 can slide towards or away from the material transport trolley. Furthermore, a second cylinder 10214 with a downwardly oriented telescopic rod is mounted on the sliding seat 10213, and a gripper 10215 for gripping the tray 105 is fixed to the end of the telescopic rod of the second cylinder 10214. Driving the sliding seat 10213 to slide towards the material transport trolley on the fixed frame 10211 moves the second cylinder 10213 along the material transport trolley. 214 and gripper 10215 are positioned near the edge of frame 10501. Then, the second cylinder 10214 is activated to push gripper 10215 downward, so that gripper 10215 grabs the edge of frame 10501. Finally, the sliding seat 10213 is driven to slide away from the material transport trolley. At the same time, gripper 10215 pulls tray 105 to move together, pulling tray 105 off the material transport trolley and onto the support roller 10203 of movable plate 10202, thus unloading tray 105. After lifting frame 1019 lowers to place tray 105 on conveying component 1022, the second cylinder 10214 pulls gripper 10215 upward to reset, so that gripper 10215 disengages from frame 10501 of tray 105.

[0040] To enable the sliding seat 10213 to slide automatically on the fixed frame 10211, a pair of gears 10216 are provided on the fixed frame 10211, with the gears 10216 respectively close to both ends of the third slide rail 10212. A toothed belt 10217 is wound around the gears 10216, and part of the toothed belt 10217 is fixedly set to the sliding seat 10213. A first stepper motor 10218 with its output shaft facing downward is also installed on the sliding seat 10213, and the output shaft of the first stepper motor 10218 is fixedly set to one of the gears 10216. When it is necessary to drive the sliding seat 10213 to slide, the first stepper motor 10218 is started, thereby driving the gear 10216 to rotate. Through the toothed belt 10217, the sliding seat 10213 slides automatically on the fixed frame 10211, realizing automated unloading.

[0041] like Figure 7As shown, the material conveying component 1022 includes a pair of horizontally arranged support rods 10221, which are parallel to each other. Each support rod 10221 is provided with a plurality of conveying rollers 10222 for conveying the tray 105. The conveying rollers 10222 are arranged in an array along the horizontal direction. A transmission member 10223 is provided between adjacent conveying rollers 10222 on the same support rod 10221. The transmission member 10223 enables the conveying rollers 10222 on the same support rod 10221 to rotate synchronously. A synchronous shaft 10224 is provided between the support rods 10221 on both sides, and the synchronous shaft 10224 is connected to the transmission components 10223 on both sides to enable the conveyor rollers 10222 on both sides to rotate synchronously. A drive motor 10225 is provided on the base 1014 to drive the synchronous shaft 10224 to rotate. After the tray 105 is placed on the conveyor rollers 10222, the drive motor 10225 is started, and the synchronous shaft 10224 drives the conveyor rollers 10222 on both sides to rotate synchronously, thereby transporting the tray 105 to the next process, thus realizing automatic feeding. In addition, a bridge roller 1023 is also installed on the base 1014. The bridge roller 1023 is located on the first side of the conveying direction of the tray 105. Under the action of the bridge roller 1023, the tray 105 can enter the next process more easily.

[0042] like Figure 8-9As shown, the material transport trolley includes a support frame 1 and several casters 102 located at the bottom of the support frame 1, allowing the support frame 1 to move. Handrails 101 are fixedly installed on the support frame 1, allowing workers to move the support frame 1 freely by pushing the handrails 101. The support frame 1 includes an opening for inserting trays 105 (the opening is away from the handrails 101), and several support components for supporting the trays 105 are installed inside the support frame 1. These support components are stacked and installed from top to bottom inside the support frame 1, thus supporting multiple trays 105 placed within the support frame 1. After moving the support frame 1, multiple trays 105 can be transported at once (the number of trays 105 transported can be 15 or 20 layers, etc.), improving the transport efficiency of electronic paper. During the movement of the support frame 1, to prevent the tray 105 from detaching from the support components, each layer of the support components is equipped with a clamping mechanism to hold the tray 105 in place. Specifically, after placing multiple trays 105 on different support components through the opening of the support frame 1, the trays 105 are clamped by the clamping mechanism on the support components. This ensures that the trays 105 remain stably placed on the support components during the movement of the support frame 1. Furthermore, after the support frame 1 is pushed to the designated position, the clamping mechanism automatically unlocks, allowing the trays 105 to be removed from the support components via the material pulling component 1021.

[0043] Additionally, a slot 10503 is provided at the bottom of the frame 10501 for the locking mechanism to engage. After the tray 105 is placed into the support frame 1, part of the frame 10501 rests on the support mechanism. Once the tray 105 is securely positioned, the locking mechanism engages with the slot 10503, thereby securing the tray 105. Furthermore, a positioning protrusion 10504 is provided at the top of the frame 10501, and a positioning hole 10505 is provided at its bottom for the protrusion 10504 to pass through. When multiple trays 105 are stacked together, the positioning protrusion 10504 of the lower tray 105 will pass through the positioning hole 10505 of the upper tray 105, thus allowing the multiple trays 105 to be stably stacked together.

[0044] The support component includes a pair of crossbars 103 at the same height and fixedly mounted to the support frame 1. The crossbars 103 are arranged opposite each other, and each crossbar 103 is provided with several pulleys 104 for supporting the frame 10501 of the tray 105. The pulleys 104 are arranged in a horizontal array. First, one end of the tray 105 is placed on the pulley 104, and then the tray 105 is pushed so that the frame 10501 of the tray 105 slides on the pulleys 104. Under the action of the pulleys 104, the tray 105 is not only supported, but also placed into the support frame 1 more effectively. In addition, a clamping mechanism is provided at the end of the crossbar 103 near the opening of the support frame 1. After the tray 105 is placed stably, the clamping mechanism engages with the slot 10503.

[0045] like Figure 10-11 As shown, the clamping mechanism includes a fixed seat 106 mounted on a crossbar 103. The fixed seat 106 is positioned at one end of the crossbar 103 near the opening of the support frame 1. A locking block 109 is provided on the fixed seat 106, which can automatically engage with a locking slot 10503. After the tray 105 is placed securely, the locking block 109 automatically engages with the locking slot 10503, thereby clamping the tray 105. Further, a rotating shaft 107 is provided on the fixed seat 106, axially horizontally arranged and perpendicular to the length direction of the crossbar 103. One end of the locking block 109 is fixedly connected to the rotating shaft 107, and the other end is used to engage with the locking slot 10503 to clamp the tray 105. The locking block 109 swings on the fixed seat 106 via the rotating shaft 107, allowing the locking block 109 to engage with or disengage from the locking slot 10503. A spring 1011 is provided between 06 to apply force to the locking block 109. The spring 1011 applies a pushing force to the locking block 109 so that the locking block 109 is locked into the locking slot 10503. When a force is applied to the locking block 109 to disengage it from the locking slot 10503, the spring 1011 will be compressed. After the force applied to the locking block 109 is stopped, the locking block 109 will automatically reset under the action of the compressed spring 1011, thus realizing that the locking block 109 is automatically locked into the locking slot 10503. In addition, to limit the movement of the locking block 109, an arc-shaped groove 1010 is provided on the locking block 109, and a fixing post 108 is provided on the fixing base 106, with one end of the fixing post 108 placed in the arc-shaped groove 1010. When the locking block 109 swings on the fixing base 106 via the rotating shaft 107, the fixing post 108 slides in the arc-shaped groove 1010. Under the action of the fixing post 108 and the arc-shaped groove 1010, the swing angle of the locking block 109 is limited. Alternatively, the locking block 109 can be set on the fixing base 106 by an elastic element (such as a metal spring or a torsion spring), so that the locking block 109 is elastically connected to the fixing base 106, which can also achieve automatic locking of the locking block 109 into the locking slot 10503.

[0046] After the support frame 1 is pushed to the designated position, it can be docked with the base 1014. After docking, in order to disengage the locking block 109 from the slot 10503, a third cylinder 1026 with a telescopic rod facing the support frame 1 is provided on the movable plate 10202. A push rod 1027 for pushing the locking block 109 out of the slot 10503 is fixed on the end of the telescopic rod of the third cylinder 1026. When the support frame 1 is placed in the designated position, the third cylinder 1026 is activated, thereby pushing the push rod 1027 to apply force to the locking block 109, so that the locking block 109 disengages from the slot 10503, thereby realizing the automatic unlocking of the tray 105. In addition, to facilitate the docking of the support frame 1 and the base 1014, a positioning wheel 1012 and a magnet 1013 are provided at the bottom of the support frame 1, and an electromagnet 1025 for attracting the magnet 1013 and a positioning block 1024 for positioning the positioning wheel 1012 are provided on the base 1014. After the support frame 1 is positioned by the positioning wheel 1012 and the positioning block 1024, the magnet 1013 and the electromagnet 1025 attract each other, thereby realizing the docking process between the support frame 1 and the base 1014, so that the tray 105 can be removed from the support frame 1 later.

[0047] In summary, the present invention possesses the excellent characteristics described above, which enhances its effectiveness in use compared to previous technologies, making it a practical product with extremely practical value.

[0048] The above description is only a preferred embodiment of the present invention. For those skilled in the art, there will be changes in the specific implementation and application scope based on the ideas of the present invention. The content of this specification should not be construed as a limitation of the present invention.

Claims

1. An automatic tray feeding mechanism, characterized in that: It includes a base (1014) and a material transport trolley placed next to the base (1014). A support frame (1015) is fixed on the base (1014), and a lifting frame (1019) that can slide up and down is provided on the support frame (1015). A support component (1020) for lifting the tray (105) and a material pulling component (1021) for pulling the tray (105) on the material transport trolley onto the support component (1020) are provided on the lifting frame (1019). A material conveying component (1022) is provided on the base (1014) and placed directly below the support component (1020). The material transport trolley includes a movable support frame (1), and a number of support components for supporting the tray (105) are installed in the support frame (1). The support components are arranged in a stacked manner. The supporting component (1020) includes a second slide rail (10201) mounted on the lifting frame (1019). The second slide rail (10201) is horizontally arranged, and a pair of movable plates (10202) respectively positioned on both sides of the pulling component (1021) are slidably mounted on the second slide rail (10201). The lifting frame (1019) is provided with a pair of mirror-arranged first cylinders (10204), and the telescopic rod ends of the first cylinders (10204) are fixedly connected to different movable plates (10202) to push the movable plates (10202) on both sides to slide towards each other or away from each other. On the side where the movable plates (10202) on both sides are close to each other, a plurality of support rollers (10203) for supporting the tray (105) are provided, and the support rollers (10203) are arranged in an array along the horizontal direction. The material pulling component (1021) includes a fixed frame (10211) mounted on the lifting frame (1019). A third slide rail (10212) is horizontally arranged on the fixed frame (10211), and the length direction of the third slide rail (10212) is perpendicular to the length direction of the second slide rail (10201). A sliding seat (10213) is provided on the third slide rail (10212) and can slide towards or away from the material transport trolley. A second cylinder (10214) with its telescopic rod facing downward is mounted on the sliding seat (10213), and a gripper (10215) for gripping the tray (105) is fixed on the end of the telescopic rod of the second cylinder (10214).

2. The automatic tray feeding mechanism according to claim 1, characterized in that: Each layer of support components is equipped with a clamping mechanism for locking the Tray disk (105).

3. The automatic tray feeding mechanism according to claim 2, characterized in that: The Tray (105) includes a rectangular frame (10501) and a tray base (10502) located at the bottom of the frame (10501).

4. The automatic tray feeding mechanism according to claim 1, characterized in that: The material conveying component (1022) includes a pair of horizontally arranged support rods (10221), which are parallel to each other. Each support rod (10221) is provided with several conveying rollers (10222) for conveying trays (105). The conveying rollers (10222) are arranged in an array along the horizontal direction. A transmission component (10223) is provided between adjacent conveying rollers (10222) on the same support rod (10221). A synchronous shaft (10224) is provided between the support rods (10221) on both sides, and the synchronous shaft (10224) is connected to the transmission components (10223) on both sides respectively, so that the conveying rollers (10222) on both sides rotate synchronously. A drive motor (10225) is provided on the base (1014) for driving the synchronous shaft (10224) to rotate.

5. The automatic tray feeding mechanism according to claim 3, characterized in that: The support component includes a pair of crossbars (103) placed at the same height and fixedly installed with the support frame (1). The crossbars (103) are arranged opposite to each other. Several pulleys (104) are provided on the crossbars (103) for supporting the frame (10501) of the tray (105), and the pulleys (104) are arranged in an array along the horizontal direction.

6. The automatic tray feeding mechanism according to claim 5, characterized in that: The bottom of the frame (10501) is provided with a slot (10503) for the clamping mechanism to engage; the clamping mechanism includes a fixed seat (106) provided on the crossbar (103), the fixed seat (106) is located at one end of the crossbar (103) near the opening of the support frame (1), and a locking block (109) is provided on the fixed seat (106) that can automatically engage in the slot (10503).

7. The automatic tray feeding mechanism according to claim 6, characterized in that: A rotating shaft (107) is provided on the fixed base (106) with its axis arranged horizontally and its axis perpendicular to the length direction of the crossbar (103). One end of the locking block (109) is fixedly connected to the rotating shaft (107), and the other end is used to lock into the locking groove (10503) to lock the tray (105). A spring (1011) is provided between the locking block (109) and the fixed base (106) to apply force to the locking block (109). An arc-shaped sliding groove (1010) is provided on the locking block (109), and a fixing post (108) is also provided on the fixed base (106), with one end of the fixing post (108) placed in the arc-shaped sliding groove (1010).

8. The automatic tray feeding mechanism according to claim 7, characterized in that: A third cylinder (1026) with a telescopic rod facing the support frame (1) is provided on the movable plate (10202), and a push rod (1027) for pushing the block (109) out of the slot (10503) is fixed on the end of the telescopic rod of the third cylinder (1026).

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