Automatic feeding machine

Abstract

An automatic feeding machine includes upper, middle, and lower frames. A feeding mechanism is located on the bottom edge of the middle frame, with its end being a pallet feeding station. Materials to be picked up are placed on the pallets. A pallet lifting mechanism is located below the pallet feeding station, lifting the pallets in the pallet box so that the topmost pallet is always in a predetermined position. The upper frame has pallet lifting mechanisms on both sides above the pallet feeding station, and an empty pallet lowering mechanism on one side of the pallet lifting mechanism. Between the upper and middle frames, below the pallet lifting and empty pallet lowering mechanisms, is a pallet transfer mechanism. The pallet lifting mechanism raises the pallet to an upper frame and places it on the pallet transfer mechanism. The upper frame has a material picking mechanism located above and to the side of the pallet feeding station. The pallet transfer mechanism then transports the empty pallets, now containing materials, to below the empty pallet lowering mechanism. The empty pallet lowering mechanism places the empty pallets into the pallet box below the empty pallet lowering mechanism.

Description

Technical Field

[0001] This utility model relates to the field of feeding machine technology, specifically to an automatic feeding machine. Background Technology

[0002] The applicant disclosed an automatic feeding device in Chinese Invention Patent Application No. CN118561012A, comprising: a frame; a first lifting mechanism for receiving a first material box and driving the pallets stacked in the first material box to be sequentially conveyed upward or downward, so that the top pallet in the first material box is located in the first pallet position; a second lifting mechanism for receiving a second material box and driving the pallets stacked in the second material box to be sequentially conveyed upward or downward, so that the top pallet in the second material box is located in the second pallet position; a pallet transfer mechanism for transferring the pallet located in the first pallet position and stacking it on the second lifting mechanism, or transferring the pallet located in the second pallet position and stacking it on the first lifting mechanism; and a feeding mechanism for feeding products from the pallet located in the first pallet position to the worktable, or feeding products from the worktable to the pallet located in the first pallet position, thereby realizing automatic product feeding, eliminating the need for manual feeding, reducing labor costs, and increasing work efficiency.

[0003] This automatic feeding equipment has a two-tiered frame. The lower tier has a first and second conveying mechanism, a first lifting mechanism, and a second lifting mechanism arranged side by side. The upper tier has a pallet transfer mechanism and a feeding mechanism. This equipment occupies a large space, has an unreasonable structural design, and the coordination and connection between various processes are time-consuming, reducing work efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, this utility model provides an automatic feeding machine and its working method, which overcomes the technical problems of existing automatic feeding machines occupying a large space, having an unreasonable structural setting, and having long time to coordinate and connect the various processes, thus reducing work efficiency.

[0005] The technical solution of this utility model is as follows: an automatic feeding machine, comprising an upper frame, a middle frame and a lower frame arranged in upper, middle and lower layers;

[0006] A feeding mechanism is located on the bottom edge of the middle frame, and its terminal is the pallet loading station. The feeding mechanism transports the pallet box loaded with pallets to the pallet loading station; the pallet has materials to be picked up.

[0007] A pallet lifting mechanism is located below the pallet loading station to lift the pallets in the pallet box, so that the top pallet is always in the predetermined position.

[0008] The upper frame is equipped with pallet lifting mechanisms on both sides above the pallet loading station, and an empty pallet lowering mechanism is provided on one side of the pallet lifting mechanism; between the upper frame and the middle frame, below the pallet lifting mechanism and the empty pallet lowering mechanism, there is a pallet transfer mechanism; the pallet lifting mechanism lifts the pallet from a predetermined position to an upper frame and places it on the pallet transfer mechanism.

[0009] The upper frame is equipped with a material picking mechanism on the side above the pallet loading station. The material picking mechanism grabs the material on the pallet and automatically loads it. Then, the pallet transfer mechanism transports the empty pallet with the material removed to the bottom of the empty pallet lowering mechanism. The empty pallet lowering mechanism then places the empty pallet into the pallet box located below the empty pallet lowering mechanism.

[0010] Optionally, a pallet lowering mechanism is provided on the side of the empty pallet lowering mechanism to transport pallet boxes filled with empty pallets from the middle rack to the lower rack.

[0011] Optionally, the lower frame is provided with a discharge mechanism below the feeding mechanism, and a pallet box conveying mechanism is also provided at the lowering mechanism to transport the pallet boxes filled with empty pallets to the discharge mechanism, which then transports them out of the automatic feeder.

[0012] Optionally, a CCD camera is also installed on the top of the upper rack. The camera of the CCD camera captures the placement position of the materials on the tray. The CCD camera is connected to the material handling mechanism and transmits the captured material placement position signal to the material handling mechanism in real time.

[0013] Optionally, a correction mechanism is also provided on the side of the material handling mechanism near the tray. The correction mechanism is connected to the CCD camera and the material handling mechanism via signal.

[0014] Optionally, the middle rack is provided with a pallet box clamping assembly on each side of the pallet box transport direction. The pallet box clamping mechanism includes a second cylinder and a push plate on the piston rod of the second cylinder.

[0015] Optionally, the middle rack is further provided with a pallet box blocking assembly in the pallet box transport direction. The pallet box blocking assembly includes a blocking cylinder and a blocking element on the piston rod of the blocking cylinder, as well as a sensing element.

[0016] Furthermore, the lowering mechanism includes a lowering cylinder mounted on the lower frame, with the top of the piston rod of the lowering cylinder fixed to a fourth mounting plate; two guide columns are arranged parallel to each other on both sides of the lowering cylinder, with the bottom and top ends of the guide columns fixedly mounted on the lower and middle frames, respectively; a pair of fixing members are fixedly mounted on the two guide columns, and two pairs of sliding members are slidably mounted on them; the fixing members are fixedly connected to the fourth mounting plate, and the two pairs of sliding members are fixedly connected to a connecting column; the connecting column and the fourth mounting plate are arranged perpendicular to the guide columns and parallel to each other; the two connecting columns are arranged parallel to each other vertically; a side plate is fixedly mounted at each end of the connecting column, the two side plates are relatively parallel and face the direction of the discharge mechanism; two lowering mounting seats are respectively mounted on the opposite sides of the two side plates; a pallet conveying mechanism is installed between the two lowering mounting seats.

[0017] Furthermore, the pallet lifting mechanism includes a first ball screw drive assembly and a first suction cup assembly; the first suction cup assembly is used to attract and release the pallet, and the first ball screw drive assembly is used to lift and lower the pallet.

[0018] The automatic feeding machine operates by performing the following steps in sequence:

[0019] 1) Place a pallet box loaded with a pallet onto the feeding mechanism on the middle frame, and the feeding mechanism will send it to the pallet loading station; at the same time, place an empty pallet box onto the discharge mechanism on the lower frame, and the discharge mechanism will send it to the pallet box conveying mechanism in the lowering mechanism. Then, the lowering mechanism will raise the empty pallet box to the middle mechanism and place it below the picking mechanism.

[0020] 2) The pallet transfer mechanism is activated, transporting the pallet seat to above the empty pallet box and below the material handling mechanism;

[0021] 3) The pallet lifting mechanism is activated to raise the pallet from the predetermined position to an upper rack; at the same time, the pallet jacking mechanism is activated to push the uppermost pallet in the pallet box upwards;

[0022] 4) The pallet transfer mechanism is activated, transporting its pallet seat to below the pallet lifting mechanism; the pallet lifting mechanism places the pallet on the pallet seat;

[0023] 5) The material handling mechanism starts, grabs the material from the pallet, removes it from the pallet, and places the material on the worktable placed next to the material handling mechanism; this cycle continues until all the material on the pallet is removed.

[0024] 6) The pallet transfer mechanism starts again, transporting the empty pallet to below the picking mechanism and above the empty pallet box; at the same time, the pallet lifting mechanism starts, repeating step 3.

[0025] 7) After the empty pallet lowering mechanism detects a pallet below the picking mechanism, it starts to adsorb the pallet below it; then, the pallet transfer mechanism drives the pallet seat to leave from below the picking mechanism and transports the pallet seat to below the pallet raising mechanism, repeating steps 4-6.

[0026] 8) The empty pallet lowering mechanism places the empty pallet into the pallet box below the material picking station.

[0027] The beneficial effects of this utility model are as follows: In the automatic feeding machine of this utility model, each mechanism is installed sequentially on the frame or bottom of the upper, middle and lower frame. The pallet and pallet box move in the working space of each frame. The layout is reasonable and saves space. The structure also makes the coordination and connection of each process short and the work efficiency high.

[0028] In the automatic feeding machine of this utility model, each mechanism is located on the frame or bottom of the upper, middle and lower frame, which facilitates the maintenance and repair of each mechanism.

[0029] In the automatic feeding machine of this utility model, the material picking mechanism is located on the upper frame. After the material picking mechanism picks up the material, the worktable for placing the material can be set at any position on its side, which increases the flexibility of the worktable setting and is suitable for various working environments.

[0030] In addition, the aforementioned automatic feeding machine achieves automatic feeding, high work efficiency, and cost savings. Attached image description:

[0031] Figure 1 This is a structural schematic diagram of the automatic feeding machine described in this utility model.

[0032] Figure 2 This is a schematic diagram of the frame of the automatic feeding machine described in this utility model.

[0033] Figure 3 This is a schematic diagram of another structure of the automatic feeding machine described in this utility model.

[0034] Figure 4 This is a schematic diagram of the structure of the automatic feeding machine of this utility model, which removes part of the side wall.

[0035] Figure 5 This is a schematic diagram of the feeding mechanism of the automatic feeding machine described in this utility model.

[0036] Figure 6 This is a schematic diagram of the structure of the pallet box of the automatic feeding machine described in this utility model.

[0037] Figure 7 This is a schematic diagram of the pallet lifting mechanism of the automatic feeding machine described in this utility model.

[0038] Figure 8AThis is a schematic diagram of the pallet lifting mechanism of the automatic feeding machine described in this utility model.

[0039] Figure 8B This is another structural schematic diagram of the pallet lifting mechanism of the automatic feeding machine described in this utility model.

[0040] Figure 9 This is a schematic diagram of the pallet transfer mechanism of the automatic feeding machine described in this utility model.

[0041] Figure 10 This is a schematic diagram of the material handling mechanism of the automatic feeding machine described in this utility model.

[0042] Figure 11 This is a schematic diagram of the automatic feeding machine of this utility model after the frame has been removed.

[0043] Figure 12 This is a schematic diagram of the correction mechanism of the automatic feeding machine described in this utility model.

[0044] Figure 13 This is a schematic diagram of the pallet box clamping mechanism of the automatic feeding machine described in this utility model.

[0045] Figure 14 This is a schematic diagram of the pallet box blocking assembly of the automatic feeding machine described in this utility model.

[0046] Figure 15 This is a schematic diagram of the lowering mechanism of the automatic feeding machine described in this utility model.

[0047] Figure 16 This is a schematic diagram of the discharge mechanism of the automatic feeding machine described in this utility model.

[0048] Explanation of reference numerals in the attached figures:

[0049] 1. Tray, 2. Tray box, 3. Through hole, 4. CCD camera.

[0050] 100. Rack, 101. Wall panel, 102. Frame, 110. Upper rack, 120. Middle rack, 130. Lower rack. 140. Pallet box clamping mechanism, 141. Second cylinder, 142. Push plate, 150. Pallet box blocking assembly, 151. Blocking cylinder, 152. Blocking element, 153. Sensing element.

[0051] 200. Feeding mechanism; 210. First mounting base; 211. First crossbeam; 212. First drive rod; 213. First driven rod; 220. First motor; 221. First drive wheel; 222. First driven wheel; 223. First belt; 214. First roller; 215. First conveyor belt; 216. Carrying plate; 217. First mounting plate.

[0052] 300. Pallet lifting mechanism; 301. Top rod; 302. Second mounting plate; 303. First mounting shaft; 310. Second motor; 311. Second drive wheel; 312. Second belt; 314. Second drive wheel; 315. Second conveyor belt; 320. Sliding frame; 321. Sliding plate; 322. First sliding seat; 323. First guide rod; 324. Second roller; 325. Second drive shaft; 326. Through hole; 327. Corrugated plate; 328. Fixing plate.

[0053] 400. Pallet lifting mechanism; 410. First ball screw transmission assembly; 420. First suction cup assembly; 411. First screw motor; 412. First ball screw; 413. First nut; 414. First slide rail; 415. First slide groove; 416. First suction cup mounting base; 421. First vacuum generator; 422. First suction cup; 423. First air pipe.

[0054] 500. Empty disc lowering mechanism; 510. Second ball screw transmission assembly; 511. Second screw motor; 512. Second screw; 513. Second nut; 514. Second slide rail; 516. Second suction cup mounting bracket; 516a. Horizontal plate; 516b. Connecting rod; 517. Suction cup seat; 521. Second vacuum generator; 522. Second suction cup.

[0055] 600. Pallet transfer mechanism; 601. Pallet seat; 602. L-shaped pallet frame; 602a. Straight plate; 602b. Horizontal plate; 602c. Mating plate; 603. Sliding seat; 604. Second guide rod; 605. Third roller; 606. Third drive shaft; 607. Third drive wheel; 608. Third motor; 609. Third drive wheel; 610. Third belt; 611. Third conveyor belt.

[0056] 700. Material handling mechanism; 701. Material handling mechanism mounting plate; 710. Base; 720. Rotating arm; 730. Material handling gripper; 740. Straightening mechanism; 741. Straightening mechanism mounting seat; 742. Straightening motor; 743. Fourth driving wheel; 744. Fourth driven wheel; 745. Fourth belt; 746. Third slide rail; 747. Third slide groove; 748. Limit plate; 749. Third mounting plate; 750. First cylinder; 751. First gripper.

[0057] 800. Lowering mechanism, 801. Fourth mounting plate, 810. Lowering cylinder, 820. Guide column, 821. Fixing component, 823. Sliding component, 824. Connecting column, 825. Side plate, 826. Lowering mounting base, 827. Connecting plate, 830. Pallet box conveying mechanism, 831. Fourth motor, 832. Fourth driving wheel, 833. Fourth driven wheel, 834. Fifth belt, 835. Fourth drive shaft, 836. Fourth driven shaft, 837. Fourth roller, 838. Fourth conveyor belt.

[0058] 900. Discharge mechanism; 901. Discharge mounting base; 902. Connecting column; 904. Mounting component; 910. Fifth motor; 911. Fifth driving wheel; 912. Fifth driven wheel; 913. Sixth belt; 914. Fifth drive shaft; 915. Fifth driven shaft; 916. Fifth roller; 917. Fifth conveyor belt. Detailed Implementation

[0059] To make the utility model's objectives, technical solutions, and effects clearer, the present invention will be further described below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0060] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0062] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0063] Reference Figure 1-4 An automatic feeding machine includes a frame 100 and a wall panel 101 mounted on the frame. The frame 100 is used to install other mechanisms of the automatic feeding machine. The wall panel 101 serves as an outer shell structure, providing overall support and fixation for the automatic feeding machine, isolating the internal mechanisms from the external environment, protecting the internal mechanisms, and preventing dust, etc. The frame 100 includes an upper frame 110, a middle frame 120, and a lower frame 130, arranged in upper, middle, and lower layers. Each layer of the frame includes an external frame A and a working space enclosed by the frame A. The following mechanisms are installed sequentially on the frames or bottom of the upper, middle, and lower layers of the frame according to their functions and processes. The following trays 1 and tray boxes 2 move within the working spaces of each layer of the frame. The trays 1 are stacked in the tray boxes 2, with the top of the tray boxes 2 open, exposing the topmost tray 1. The shape of the tray boxes 2 matches that of the trays 1. In the embodiment shown in the figure, the tray 1 is rectangular, and the tray box 2 is cuboid. It should be understood that pallet 1 can also be other shapes, and the inner cavity of pallet box 2 is accordingly set to a shape suitable for stacking pallet 1. The outer shape of pallet box is accordingly set to a shape suitable for transport by automatic feeder.

[0064] The automatic feeding machine includes a feeding mechanism 200, a pallet lifting mechanism 300, a pallet raising mechanism 400, an empty pallet lowering mechanism 500, a pallet transfer mechanism 600, a material picking mechanism 700, a box lowering mechanism 800, and a material discharging mechanism 900.

[0065] Reference Figure 1 and Figure 5A feeding mechanism 200 is located on the bottom edge of the middle frame 120, with its terminal being a pallet loading station B. The feeding mechanism 200 transports pallet boxes 2 containing pallets 1 to pallet loading station B. Materials such as cosmetic pens and brushes are placed on the pallets 1. A pallet lifting mechanism 300 is located below pallet loading station B to lift the pallets 1 in the pallet box 2, ensuring that the topmost pallet 1 is always in a predetermined position. The upper frame 110 has pallet lifting mechanisms 400 on both sides above pallet loading station B, and an empty pallet lowering mechanism 500 on one side of the pallet lifting mechanism 400. A pallet transfer mechanism 600 is located between the upper frame 110 and the middle frame 120, below the pallet lifting mechanism 400 and the empty pallet lowering mechanism 500. The pallet lifting mechanism 400 is used to lift the pallet 1 from a predetermined position to an upper frame 110 and place it on the pallet transfer mechanism 600. The upper frame 110 has a material-grabbing mechanism 700 located above the pallet loading station B. The material-grabbing mechanism 700 grabs the material from the pallet 1 for automatic loading. Then, the pallet transfer mechanism 600 transports the empty pallet 1, now without material, to below the empty pallet lowering mechanism 500. The empty pallet lowering mechanism 500 places the empty pallet 1 into a pallet box 2 located below it. A lowering mechanism 800 is located beside the empty pallet lowering mechanism 500 to transport the pallet box 2, filled with empty pallets 1, from the middle frame 120 to the lower frame 130. The lower frame 130 has a discharge mechanism 900 located below the feeding mechanism 200, and a pallet box conveying mechanism 810 is also provided at the lowering mechanism 800 to transport pallet boxes 2 filled with empty pallets 1 to the discharge mechanism 900, from where they are transported out of the automatic feeder. The automatic feeder has each mechanism sequentially installed on the edges or bottom of the upper, middle, and lower frames. The pallets 1 and pallet boxes 2 move within the working space of each frame, resulting in a rational layout, space saving, and high work efficiency. Furthermore, each mechanism is located on the edges or bottom of the upper, middle, and lower frames, facilitating maintenance and repair. In addition, the automatic feeder achieves automatic feeding, high work efficiency, and cost savings. Since the picking mechanism is located on the upper frame, after the picking mechanism picks up the material, the workbench for placing the material can be set up anywhere beside it, increasing the flexibility of the workbench setup and making it suitable for various working environments.

[0066] The working method of the above-mentioned automatic feeding machine includes the following steps performed in sequence:

[0067] 1) Place a pallet box loaded with a pallet onto the feeding mechanism on the middle frame, and the feeding mechanism will send it to the pallet loading station; at the same time, place an empty pallet box onto the discharge mechanism on the lower frame, and the discharge mechanism will send it to the pallet box conveying mechanism in the lowering mechanism. Then, the lowering mechanism will raise the empty pallet box to the middle mechanism and place it below the picking mechanism.

[0068] 2) The pallet transfer mechanism is activated, transporting the pallet seat to above the empty pallet box and below the material handling mechanism;

[0069] 3) The pallet lifting mechanism is activated to raise the pallet from the predetermined position to an upper rack; at the same time, the pallet jacking mechanism is activated to push the uppermost pallet in the pallet box upwards;

[0070] 4) The pallet transfer mechanism is activated, transporting its pallet seat to below the pallet lifting mechanism; the pallet lifting mechanism places the pallet on the pallet seat;

[0071] 5) The material handling mechanism starts, grabs the material from the pallet, removes it from the pallet, and places the material on the worktable placed next to the material handling mechanism; this cycle continues until all the material on the pallet is removed.

[0072] 6) The pallet transfer mechanism starts again, transporting the empty pallet to below the picking mechanism and above the empty pallet box; at the same time, the pallet lifting mechanism starts, repeating step 3.

[0073] 7) After the empty pallet lowering mechanism detects a pallet below the picking mechanism, it starts to adsorb the pallet below it; then, the pallet transfer mechanism drives the pallet seat to leave from below the picking mechanism and transports the pallet seat to below the pallet raising mechanism, repeating steps 4-6.

[0074] 8) The empty pallet lowering mechanism places the empty pallet into the pallet box below the material picking station.

[0075] Preferably, refer to Figure 4 The top of the upper rack 110 is also equipped with a CCD camera 4. The camera of the CCD camera 4 is pointed at the tray 1 to capture the placement position of the materials on the tray 1. The CCD camera 4 is connected to the material handling mechanism 700 by signal and transmits the captured material placement position signal to the material handling mechanism 700 in real time, enabling it to accurately pick up the materials on the tray 1. The CCD camera 4 is a common camera in the industrial field, with the functions of shooting and signal transmission. Its structure and principle are common knowledge in the field, and this application does not limit it. Its structure and principle will not be described in detail here.

[0076] Preferably, refer to Figure 1 A correction mechanism 150 is also provided on the side of the material picking mechanism 700 near the pallet 1. The correction mechanism 150 is also connected to the CCD camera 4 and the material picking mechanism 700. When the gripper of the material picking mechanism 700 moves away from the pallet 1, the correction mechanism 150 corrects the position of the material on the pallet 1 so that its position is adapted to the gripping position of the material picking mechanism 700, thereby improving the working efficiency of the material picking mechanism.

[0077] In this application, the material handling mechanism 700, the alignment correction mechanism, and the CCD camera 4 work together. The pallet transfer mechanism 600 delivers the pallet to the material handling position. The CCD camera 4 captures images of the pallet and the placement of materials on it at the material handling position, and sends this information to the alignment correction mechanism and the material handling mechanism 700. The material handling mechanism starts, grabs the correctly placed materials from the pallet, and then rotates to deliver them to the receiving worktable. After the material handling mechanism completes a grab and leaves the pallet, the alignment correction mechanism starts, grabs incorrectly placed materials from the pallet, corrects their position, and places them in the correct location and orientation. Then, the alignment correction mechanism leaves the pallet, returns to its original position, and waits for the next time the material handling mechanism rotates to the pallet to grab materials. This process repeats until all the materials on the pallet have been removed.

[0078] Preferably, refer to Figure 1 The middle frame 120 is provided with a pallet box clamping component 121 on each side of the pallet box 2 in the transport direction. The pallet box clamping component 121 is used to limit the opposite sides of the pallet box to prevent it from shifting, which would cause the pallet 1 to shift and affect the material picking.

[0079] Preferably, the middle rack 120 is also provided with a pallet box blocking component 122 in the pallet box transport direction. The pallet box blocking component 122 limits the transport distance of the pallet box 2 to prevent it from passing the pallet loading station B.

[0080] It should be understood that the feeding mechanism 200 can be a mechanical feeding mechanism, which drives the feeding components to move through a mechanical transmission device, such as gears, chains, belts, etc., to realize the material conveying; it can also be a pneumatic feeding mechanism, which uses the power generated by the piston compressing air to push the material to move; or it can be a hydraulic feeding mechanism, which is based on a hydraulic system and drives a hydraulic cylinder or hydraulic motor through the pressure of hydraulic oil to drive the feeding device to realize the material conveying.

[0081] As an embodiment of this utility model, refer to Figure 5The feeding mechanism 200 of this utility model is a belt-type feeding mechanism. Specifically, the feeding mechanism 200 includes two parallel first mounting seats 210, two first crossbeams 211 connecting the middle of the two first mounting seats 210, and a first drive rod 212 and a first driven rod 213 connecting the ends of the two first mounting seats 210. A first motor 220 is mounted on one of the first crossbeams 213. A first drive wheel 221 is provided on the motor shaft of the first motor 220, a first driven wheel 222 is fixed on the first drive rod 212, and a first belt 223 is tensioned and wound around the first drive wheel 221 and the first driven wheel 222. First rollers 214 are fixed at both ends of the first drive rod 212 and the first driven rod 213, and two first conveyor belts 215 are tensioned and wound around a pair of first rollers 214 on the same side of the first drive rod 212 and the first driven rod 213, respectively. The first motor 220 drives the first drive wheel 221 to rotate, which in turn drives the first driven wheel 213 to rotate via the first belt 223. This drives the first drive rod 212 and the first roller 214 on it to rotate, thereby driving the first conveyor belt 215 to move and moving the pallet box 2 placed on the first conveyor belt 215.

[0082] Preferably, the two first mounting bases 210 are respectively provided with a carrying plate 216 on the side near the first conveyor belt 215. The carrying plate 216 is located below the conveyor belt, so as to bear the weight of the pallet box 2 and prevent the first conveyor belt 215 from deforming under the weight and being unable to move smoothly.

[0083] The outer sides of the two first mounting bases 210 are respectively fixed with first mounting plates 217, and are fixedly connected to the middle rack 120 through the first mounting plates 217.

[0084] Preferably, refer to Figure 1-5 The feeding mechanism is equipped with a loading platform 230 for placing the pallet box 2. Specifically, the loading platform 230 is installed on the first mounting base 210, covering the first motor 220, the first driven rod 213 and the first crossbeam 211, thereby preventing the pallet box 2 from falling into the area between the two first mounting bases 210.

[0085] Reference Figure 3 Pallet loading station B is located at the end of the feeding mechanism 200 and in the direction of movement of the pallet box 2 on the loading platform 230.

[0086] As an embodiment of this utility model, refer to Figure 1 The pallet lifting mechanism 300 is located on the lower frame 130 below the pallet loading station B, and is used to push the pallet of the pallet box 2 to a specific position. It should be understood that the driving force of the pallet lifting mechanism 300 can be based on the pressure of a compressed cylinder or on a motor-driven belt.

[0087] As an embodiment of this utility model, refer to Figure 6 The bottom plate of the pallet box 2 has at least one through hole 3, through which the pallet lifting mechanism 300 pushes the pallet 1 upward so that the uppermost pallet 1 reaches a specific position.

[0088] In one specific embodiment of this utility model, referring to Figure 7 The pallet lifting mechanism 300 includes a push rod 301 and a second motor 310 for driving the push rod 301 to rise and fall. The push rod 301 is located at the bottom of the pallet loading station B. When the pallet box 2 is located at the pallet loading station B, the push rod 301 passes through the through-hole 3 at the bottom of the pallet box 2, pushing the pallets 1 stacked in the pallet box 2 to rise, so that the topmost pallet 1 reaches the predetermined position. The number of through-holes 3 at the bottom of the pallet box 2 corresponds one-to-one with the number of push rods 301. (The last sentence appears to be incomplete and possibly refers to a different mechanism.) Figure 7 In the illustrated embodiment, four push rods are provided. The four push rods 301 are divided into two groups, respectively mounted on two second mounting plates 302 below the pallet loading station B. The two ends of the two second mounting plates 302 are respectively fixed to two horizontal mounting shafts 303, and the two ends of the mounting shafts 302 are respectively fixed to two sliding frames 320. Each sliding frame 320 has a horizontally arranged sliding plate 321 and a pair of first sliding seats 322 disposed on the sliding plate 321. The two ends of each mounting shaft 303 are respectively fixed to a pair of opposing first sliding seats 322. Each sliding plate 321 is slidably mounted on two first guide rods 323, which are perpendicular to the horizontal plane. A second roller 324 is provided between each pair of first sliding seats 322 in the sliding frame 320. A second drive shaft 325, parallel to the first mounting shaft 303 and located below the first mounting shaft 303, has a second roller 324 at each end. Two second conveyor belts 327 are tightly wound around a pair of second rollers 324 on the second drive shaft 325 and the sliding seat 324. The sliding plate 321 is provided with a long through hole 326 for the second conveyor belts 327 to pass through.

[0089] A corrugated plate 327 and a fixed plate 328 are respectively provided on both sides of the second conveyor belt 327 on the sliding plate 321. The second conveyor belt 315 passes between the corrugated plate 327 and the fixed plate 328. Through the friction between the corrugated plate 327 and the second conveyor belt 315, when the second conveyor belt 315 moves up and down, it drives the corrugated plate 327, the fixed plate 328, and the sliding plate 321 to move up and down along the first guide rod 323 in the same direction, thereby causing the mounting shaft 303 and the top rod 301 mounted on the second mounting plate 302 to move up and down synchronously. A second driven wheel 314 is fixed on the second drive shaft 325. A second drive wheel 311 is provided on the motor shaft of the second motor 310. A second belt 312 is tensioned and wound around the second drive wheel 311 and the second drive wheel 314. The second motor 310 drives the second drive shaft 325 to rotate, thereby driving the second roller 324 to rotate, and thus driving the second conveyor belt 315 to move up and down.

[0090] The second motor 310 is mounted on the base plate of the frame. The first guide rod 323 is mounted on the side frame of the frame on both sides of the feeding mechanism 200 and the discharging mechanism 300. The second mounting plate 302 is always located below the first crossbeam 212, thereby limiting the pallet lifting mechanism and preventing it from lifting the pallet beyond the predetermined position.

[0091] Reference Figure 8A and 8B The upper frame 110 has a pallet lifting mechanism 400 on each side above the pallet lifting mechanism 300, used to lift the uppermost pallet 1 in the pallet box 2 from a predetermined position to the upper frame 110 or place it on the pallet transfer mechanism 600. The pallet lifting mechanism 400 includes a first ball screw drive assembly 410 and a first suction cup assembly 420. The first suction cup assembly 420 is used to attract and release the pallet 1, and the first ball screw drive assembly 410 is used to lift and lower the pallet 1. The first ball screw drive assembly 410 includes a first screw motor 411, a first ball screw 412, a first nut 413, a first slide rail 414, a first slide groove 415, and a first suction cup mounting base 416. A first lead screw motor 411 is mounted on the upper frame 110, and a first ball screw 412 is fixedly connected to the drive shaft of the first lead screw motor 411. A first slide rail 441 is parallel to the first ball screw 412 and is mounted on the upper frame 110. A first slide groove 415 is mounted on the first slide rail 141 and can slide along it. A first nut 413 is sleeved on the first ball screw 412 and fixedly connected to the first slide groove 415. A first suction cup mounting seat 416 is also fixedly connected to the first slide groove 415. A first suction cup assembly 420 is mounted on the first suction cup mounting seat 416. The first lead screw motor 411 drives the first ball screw 412 to rotate, thereby causing the first nut 413 to move linearly along the first ball screw 412. The first nut 413 then drives the first slide groove 415 to slide along the first slide rail 414, thereby raising and lowering the first suction cup mounting seat 416 fixed to the first slide groove 415, which in turn raises and lowers the first suction cup assembly 420 and the tray 1 attached to it. The first suction cup assembly 420 includes a first vacuum generator 421, a first suction cup 422, and a first air pipe 423 connecting the two. The suction port of the first suction cup 422 faces the top surface of the tray 1. The first vacuum generator 421 controls the vacuum flow, which in turn controls the first suction cup 422 to suction and release the tray 1 via the first air pipe 423.

[0092] Reference Figure 9The upper frame 110 is also equipped with a pallet transfer mechanism 600. The pallet transfer mechanism 600 receives the pallet 1 lifted to the upper frame 110 by the pallet lifting mechanism 400. After the material on the pallet 1 is removed, the empty pallet 1 is transferred to the empty pallet lowering mechanism 500. The pallet transfer mechanism 600 includes a pallet seat 601 for supporting the pallet 1. An L-shaped pallet frame 602 is provided on each of the opposite sides of the pallet seat 604. The straight plate 602a of the L-shaped pallet frame 602 supports the pallet seat 601, and the horizontal plate 602b is slidably connected to a second guide rod 604 through a sliding seat 603. The upper frame 110 is provided with two third rollers 605 above each end of each second guide rod 604. One of the third rollers 605 is fixed to the end of a third drive shaft 606, and a third drive wheel 607 is also fixed on the third drive shaft 606. A third motor 608 is positioned close to the third drive shaft 606, with a third drive pulley 609 mounted on its shaft. A third belt 610 is tensioned and wound around the third drive pulley 607 and the third drive pulley 609. Two third conveyor belts 611 are positioned in the same direction as the two second guide rods 604, and are tensioned and wound around two third rollers 605 above the two second guide rods 604. The third motor 608 drives the third drive pulley 609 to rotate, which in turn drives the third drive pulley 609 via the third belt 610. This causes the third drive shaft 606 to rotate, thereby moving the third conveyor belts 611 along the second guide rods 604.

[0093] The horizontal plate 602b of the L-shaped pallet frame 602 is located below the third conveyor belt 611. A mating plate 602c is provided on the horizontal plate 602b. A through groove is formed between the horizontal plate 602b and the mating plate 602c for the third conveyor belt 611 to pass through. The mating plate 602c is in close contact with the top surface of the third conveyor belt 611, so that there is a strong friction between the two. When the third conveyor belt 611 moves, the friction drives the L-shaped pallet frame 602 and the pallet seat 601 to move, thereby transporting the pallet 1 placed on the pallet seat 601.

[0094] The pallet lifting mechanism 400 and the pallet transfer mechanism 600 cooperate with each other. When the first lead screw motor 411 of the pallet lifting mechanism 400 is activated, it pushes the first suction cup assembly 420 to descend and pick up the pallet 1 located at the predetermined position. At the same time, the pallet transfer mechanism 600 moves the pallet seat 601 below the empty pallet lowering mechanism 500. After the pallet lifting mechanism 400 lifts the pallet 1 from the predetermined position to the upper frame 110, the pallet transfer mechanism 600 moves the pallet seat 601 below the pallet 1, and then the first suction cup assembly 420 places it on the pallet seat 601 for the material picking mechanism 700 to pick up. After the material is picked up, the pallet transfer mechanism 600 moves the empty pallet 1 below the empty pallet lowering mechanism 500.

[0095] Reference Figure 10The empty disc lowering mechanism 500 includes a second ball screw drive assembly 510 and a second suction cup assembly. The second ball screw drive assembly 510 comprises a second screw motor 511, a second screw 512, a second nut 513, a second slide rail 514, a second slide groove, and a second suction cup mounting bracket 516. The second screw motor 511 is mounted on the upper frame 110. The second screw 512 is fixedly connected to the motor shaft of the second screw motor 511. The second screw 512 is vertically aligned with the horizontal plane, and a second nut 513 is fitted onto it. The second nut 513 has a second slide groove (not shown). The upper frame 110 has a second slide rail 514 parallel to the second screw 512. The second slide rail 514 is housed in the second slide groove, guiding the second slide groove and the second nut 513 to slide along its extension direction. The second nut 513 is also fixedly mounted with a second suction cup mounting bracket 516. The second suction cup mounting bracket 516 includes a horizontal plate 516a and two vertically arranged connecting rods 516b. The horizontal plate 516a is fixedly connected to the second nut 513, and the horizontal plate 516a is fixed to the upper end of the connecting rod 516b. A suction cup seat 517 is fixedly connected to the lower end of the connecting rod 516b. The second suction cup assembly includes a second vacuum generator 521 and a second suction cup 522. The second vacuum generator 521 is disposed on the horizontal plate 516a, and the second suction cup 522 is mounted on the suction cup seat 517. The second vacuum generator 521 and the second suction cup 522 are connected through a second air pipe (not shown).

[0096] The second lead screw motor 511 drives the second suction cup mounting bracket 516 to rise and fall, and the second vacuum generator 521 controls the second suction cup 522 to adsorb or release the tray 1 by switching the vacuum on and off. When the tray transfer mechanism 600 moves the tray seat 2 and the tray 1 on it to below the second suction cup 522, the second lead screw motor 511 drives the second suction cup mounting bracket 516 to descend to the predetermined position, and the second vacuum generator 521 controls the second suction cup 522 to adsorb the tray 2 from the tray seat 601. Then, the second lead screw motor 511 drives the second suction cup mounting bracket 516 to rise, causing the tray 2 to move upward and leave the tray seat 601. Then, the tray transfer mechanism 600 sends the tray seat 601 back. Then, the second lead screw motor 511 drives the second suction cup mounting bracket 516 to descend, and the second vacuum generator 521 controls the second suction cup 522 to place the tray 1 into the tray box 2 below it. Then, the second lead screw motor 511 drives the second suction cup mounting bracket 516 to rise and reset, waiting for the next adsorption.

[0097] Reference Figure 10A horizontal material-grabbing mechanism mounting plate 701 is fixedly mounted on the connecting rod 516b. The material-grabbing mechanism 700 is mounted on the material-grabbing mechanism mounting plate 701 and includes a base 710, a rotating arm 720, and a material-grabbing gripper 730 located at the end of the rotating arm 720. The base 710 is mounted on the material-grabbing mechanism mounting plate 701, and the rotating arm 720 is rotatably mounted on the base 710, with the material-grabbing gripper 730 mounted at its end. The structure and principle of the rotating arm 720 and the material-grabbing gripper 730 are well-known technologies that should be known to those skilled in the art, and will not be described in detail here.

[0098] Reference Figure 11 and 12 The upper frame is also equipped with a correction mechanism 740 for correcting material misalignment on the pallet 1. The correction mechanism 740 is preferably located on the side of the material handling mechanism 700 facing the pallet lifting mechanism 400. The correction mechanism 740 includes a correction mechanism mounting base 741 mounted on the upper frame 110, a correction motor 742 mounted on the correction mechanism mounting base 741, a fourth drive wheel 743, a fourth driven wheel 744, a fourth belt 745, a third slide rail 746, and a third slide groove 747. The correction motor 742 is located at one end of the correction mechanism mounting base 741, the fourth drive wheel 743 is located on the drive shaft of the correction motor 742, and the fourth driven wheel 744 is located at the other end of the correction mechanism mounting base 741. The fourth belt 745 is tightly wound around the fourth drive wheel 743 and the fourth driven wheel 744. The third slide rail 746 is located on one side of the fourth belt 745 and runs in the same direction as the fourth belt 745. The third slide groove 747 is slidably mounted on the third slide rail 746. The upper sidewall of the third slide groove 747 is located below the fourth belt 745, and a limiting plate 748 is provided on it. The limiting plate 748 fits against the surface of the fourth belt 745, so that the fourth belt 745 passes between the limiting plate 748 and the upper sidewall of the third slide groove 747. A third mounting plate 749 is also provided on the third slide groove 747. A cylinder 750 is provided on the third mounting plate 749. A gripper 751 is mounted on the piston rod of the cylinder 750, and the gripper 751 faces the tray 1 on which the material is placed.

[0099] When the correction motor 742 drives the fourth belt 745 to move, the friction between the fourth belt 745 and the limiting plate 748 drives the third slide groove 747 to move along the third slide rail 746, thereby driving the cylinder 750 on the third slide groove 747 to move horizontally along the third slide rail 746. The piston rod of the cylinder 750 is set vertically to the horizontal plane. By raising and lowering the piston rod of the cylinder 750, the gripper 751 on the piston rod is driven to rise and fall in the vertical direction, thereby adjusting the position of the gripper 751 so that it can grab the incorrectly placed material on the pallet 1 and correct it so that the material picking mechanism 700 can grab the material.

[0100] Preferably, refer to Figure 1 and 13The middle frame 120 is also equipped with pallet box clamping mechanisms 140 on both sides of the pallet loading position B, which are used to clamp the pallet box 2 and prevent it from shifting its position. The pallet box clamping mechanism 140 includes a second cylinder 141 and a push plate 142 disposed on the piston rod of the second cylinder 141. The second cylinder 141 pushes the piston rod to extend and retract, thereby causing the push plate 142 to fit against the side wall of the pallet box 2, adjusting its position and preventing it from shifting.

[0101] Reference Figure 1 and 14 The pallet box clamping mechanism 140 is also provided with a pallet box blocking assembly 150 on its side, which includes a blocking cylinder 151, a blocking member 152 on the piston rod of the blocking cylinder 151, and a sensing element 153. After the sensing element 153 senses the pallet box 2, the blocking cylinder 151 is activated, and the retracting piston rod places the blocking member 152 in front of the pallet box 2 in the forward direction, thereby preventing the pallet box 2 from continuing to move forward.

[0102] Reference Figure 1 11 and 15, a lowering mechanism 800 is also provided on the side of the material handling mechanism 700, for lowering the pallet box 2 filled with empty pallets 1 from the middle frame 120 to the lower frame 130. The lowering mechanism 800 includes a lowering cylinder 810, which is mounted on the lower frame 130, and the top of the piston rod of the lowering cylinder 810 is fixed to a fourth mounting plate 801. Two guide columns 820 are provided parallel to each other on both sides of the lowering cylinder 810, and the bottom and top ends of the guide columns 820 are fixedly mounted on the lower frame 130 and the middle frame 120, respectively. A pair of fixing members 821 are fixedly provided on the two guide columns 820, and two pairs of sliding members 823 are slidably sleeved on them. The fixing members 821 are fixedly connected to the fourth mounting plate 801, and the two pairs of sliding members 823 are fixedly connected to a connecting column 824, respectively. The connecting column 824 and the fourth mounting plate are perpendicular to the guide column 820 and parallel to each other. The two connecting columns 824 are arranged parallel vertically. One side plate 825 is fixedly installed at each end of the connecting column 824, and the two side plates 825 are relatively parallel and face the discharge mechanism 900. Two lowering box mounting seats 826 are installed on the opposite sides of the two side plates 825. The two lowering box mounting seats 826 are located on one side of the discharge mechanism 900. A pallet box conveying mechanism 830 is installed between the two lowering box mounting seats 826.

[0103] Preferably, the two lowering box mounting bases 826 are fixedly connected by a connecting plate 827, thereby ensuring their stability.

[0104] During operation, a pallet box 2 is placed on the pallet box conveying mechanism 830. The lowering cylinder 810 drives its piston to extend or retract, thereby pulling the sliding member 823 up and down along the guide column 821. This drives the connecting column 824 fixed to the sliding member 823, the side plates 825 fixed on both sides of the connecting column 824, the lowering mounting seats 826 installed on the side plates 825, and the pallet box conveying mechanism 830 installed between the two lowering mounting seats 826 to rise and fall, thereby transporting the pallet box 2 between the lower frame 130 and the middle frame 120.

[0105] The pallet conveying mechanism 830 includes a fourth motor 831, a fourth drive wheel 832, a fourth driven wheel 833, a fifth belt 834, a fourth drive shaft 835, a fourth driven shaft 836, two pairs of fourth rollers 837, and a pair of fourth conveyor belts 838. The fourth motor 831 is mounted on a connecting plate 827, and the fourth drive wheel 832 is fixedly mounted on the motor shaft of the fourth motor 831. The fourth driven wheel 833 is fixedly mounted on the fourth drive shaft 835, and the fifth belt 834 is tensioned and wound around the fourth drive wheel 832 and the fourth driven wheel 833. The fourth drive shaft 835 and the fourth driven wheel 833 are perpendicular to the two lowering box mounting seats 826 and are respectively connected to the two ends of the two lowering box mounting seats 826. The two pairs of fourth rollers 837 are respectively fixedly disposed at the two ends of the fourth drive shaft 835 and the fourth driven shaft 836. A pair of fourth conveyor belts 838 are respectively tensioned and wound around fourth rollers 837 located on the same side of the fourth drive shaft 835 and the fourth driven shaft 836. A fourth motor 831 drives the fourth drive wheel 832 to rotate, thereby moving the fifth belt 834. The fifth belt 834 drives the fourth driven wheel 833 and the fourth drive shaft 835, which is fixedly connected to the fourth driven wheel 833, to rotate. The rotation of the fourth drive shaft 835 causes the fourth rollers 837 located at both ends of it to rotate, which in turn drives the fifth belt 834 to move. The pallet box 2 is placed on the fifth belt 834, thereby transporting the pallet box 2 to the discharge mechanism 900.

[0106] Reference Figure 16The discharge mechanism 900 has the same structure as the feeding mechanism 200, including a fifth motor 910, a fifth driving wheel 911, a fifth driven wheel 912, a sixth belt 913, a fifth drive shaft 914, a fifth driven shaft 915, two pairs of fifth rollers 916, a pair of fifth conveyor belts 917, and two oppositely arranged discharge mounting seats 901. The middle parts of the two discharge mounting seats 901 are connected by two connecting columns 902. The fifth motor 910 is mounted on the connecting column 902, and the fifth driving wheel 911 is fixedly mounted on the motor shaft of the fifth motor 910. The fifth driven wheel 912 is fixedly mounted on the fifth drive shaft 914, and the sixth belt 913 is tensioned and wound around the fifth driving wheel 911 and the fifth driven wheel 912. The fifth drive shaft 914 and the fifth driven shaft 915 are perpendicular to the two discharge mounting seats 901 and are respectively connected to the two ends of the two discharge mounting seats 901. Two pairs of fifth rollers 916 are fixedly mounted at both ends of the fifth drive shaft 914 and the fifth driven shaft 915, respectively. The fifth conveyor belt 917 is tensioned and wound around the fifth rollers 916 located on the same side of the fifth drive shaft 914 and the fifth driven shaft 915. The fifth motor 910 drives the fifth drive wheel 911 to rotate, thereby moving the sixth belt 913. The sixth belt 913 drives the fifth driven wheel 912 and the fifth drive shaft 914, which is fixedly connected to the fifth driven wheel 912, to rotate. The rotation of the fifth drive shaft 914 causes the fifth rollers 916 located at its two ends to rotate, thereby moving the fifth conveyor belt 917. The pallet box 2 is placed on the fifth conveyor belt 917, thereby transporting the pallet box 2 to the discharge mechanism 900.

[0107] The two discharge mounting bases 901 are mounted on the lower frame 130 via several mounting parts 904.

[0108] The automatic feeding machine of this utility model includes the following working steps performed in sequence:

[0109] 1. At the start of operation, a pallet box loaded with a pallet is placed on the feeding mechanism on the middle frame and sent to the pallet loading station by the feeding mechanism; at the same time, an empty pallet box is placed on the discharge mechanism on the lower frame and sent to the pallet box conveying mechanism in the lowering mechanism. Then, the lowering mechanism raises the empty pallet box to the middle mechanism and places it below the picking mechanism.

[0110] 2. The pallet transfer mechanism is activated, transporting the pallet seat to a position above the empty pallet box and below the picking mechanism; if the pallet seat is already positioned above the empty pallet box and below the picking mechanism, this step is not performed.

[0111] 3. The pallet lifting mechanism is activated, and the first ball screw drive assembly drives the first suction cup assembly to descend, so that the first suction cup is positioned above the pallet box containing the pallets; the first vacuum generator controls the first suction cup to pick up the topmost pallet; then, the first ball screw drive assembly drives the first suction cup assembly to rise; at the same time, the pallet lifting mechanism is activated, pushing the topmost pallet in the pallet box upwards for the first suction cup to pick up next.

[0112] 4. The pallet transfer mechanism is activated, transporting the pallet seat to below the first suction cup assembly; the first vacuum generator controls the first suction cup assembly to release the pallet onto the pallet seat;

[0113] 5. The CCD camera captures images of the pallet and the arrangement of materials on it. After data analysis, the signals are transmitted to the material handling mechanism and the correction mechanism.

[0114] 6. After receiving the signal from the CCD camera, the material handling mechanism starts. Its rotating arm drives the gripper to rotate onto the tray. After grabbing the material, the rotating arm drives the gripper away from the tray and places the material on the worktable next to the material handling mechanism. When the rotating arm drives the gripper away from the tray, the correction mechanism starts and drives its gripper to correct the material on the tray that is not in the correct position or orientation. After correction, it returns to its original position and waits for the material handling mechanism to grab the material again. This cycle repeats until all the material on the tray has been removed.

[0115] 7. The pallet transfer mechanism starts again, transporting the empty pallet to below the picking mechanism and above the empty pallet box; at the same time, the pallet lifting mechanism starts, repeating step 3.

[0116] 8. The empty tray lowering mechanism starts after detecting that there is a tray under the material picking mechanism. The second ball screw transmission assembly drives the second suction cup mounting bracket and the second suction cup on it to descend, and the second suction cup picks up the tray. Then, the tray transfer mechanism drives the tray seat to leave from under the material picking mechanism and transports the tray seat to under the first suction cup assembly, repeating steps 4-6.

[0117] 9. The second ball screw drive assembly of the empty pallet lowering mechanism drives the second suction cup to descend and place the empty pallet into the pallet box below the material picking station.

[0118] 10. When the pallet box under the material picking station is full of empty pallets, all the pallets in the pallet box at the pallet loading station are removed, becoming empty boxes; the lowering mechanism is activated to transport the pallet box loaded with empty pallets to the lower frame, and then the pallet box conveying mechanism sends it to the unloading mechanism.

[0119] 11. The lowering mechanism rises below the material handling mechanism; the feeding mechanism starts, transporting the empty pallet box from the pallet loading station to the lowering mechanism;

[0120] 12. The box feeding mechanism delivers the pallet boxes loaded with empty pallets from the pallet box conveyor mechanism, completing the automatic feeding of the entire box of materials.

[0121] The above-described structure ensures tight coordination and quick processing of each step, improving work efficiency. The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of this utility model and should not be construed as limiting the specific implementation of this utility model to these descriptions. For those skilled in the art, the structural form of this utility model can be flexibly varied without departing from its concept, leading to the development of a series of products. Any simple deductions or substitutions should be considered as falling within the patent protection scope defined by the submitted claims.

Claims

1. An automatic feeding machine, comprising an upper frame, a middle frame, and a lower frame arranged in upper, middle, and lower layers; characterized in that, A feeding mechanism is located on the bottom edge of the middle frame, and its terminal is a pallet loading station. The feeding mechanism transports pallet boxes loaded with pallets to the pallet loading station. A pallet lifting mechanism is located below the pallet loading station to lift the pallets in the pallet box, so that the uppermost pallet is always in the predetermined position; The upper frame is provided with pallet lifting mechanisms on both sides above the pallet loading station, and an empty pallet lowering mechanism is provided on one side of the pallet lifting mechanism; a pallet transfer mechanism is provided between the upper frame and the middle frame, below the pallet lifting mechanism and the empty pallet lowering mechanism. The upper frame is equipped with a material picking mechanism above the pallet loading station; the pallet transfer mechanism transports the pallet to the area below the empty pallet lowering mechanism; the empty pallet lowering mechanism places the pallet into the pallet box located below the empty pallet lowering mechanism.

2. The automatic feeding machine as described in claim 1, characterized in that, A lowering mechanism is provided on the side of the empty pallet lowering mechanism to transport the pallet box filled with the empty pallet from the middle rack to the lower rack.

3. The automatic feeding machine as described in claim 2, characterized in that, The lower frame is provided with a discharge mechanism below the feeding mechanism, and the lowering mechanism is also provided with a pallet box conveying mechanism to transport the pallet box filled with the empty pallet to the discharge mechanism, and the discharge mechanism transports the automatic feeder out.

4. The automatic feeding machine as described in claim 1, characterized in that, The top of the upper rack is also equipped with a CCD camera, which captures the placement position of the materials on the tray. The CCD camera is signal-connected to the material handling mechanism and transmits the captured material placement position signal to the material handling mechanism in real time.

5. The automatic feeding machine as described in claim 4, characterized in that, A correction mechanism is also provided on the side of the material handling mechanism near the tray. The correction mechanism is signal-connected to the CCD camera and the material handling mechanism.

6. The automatic feeding machine as described in claim 1, characterized in that, The middle frame is provided with a pallet box clamping assembly on each side of the pallet box transport direction. The pallet box clamping mechanism includes a second cylinder and a push plate on the piston rod of the second cylinder.

7. The automatic feeding machine as described in claim 1, characterized in that, The middle rack is also provided with a pallet box blocking assembly in the pallet box transport direction. The pallet box blocking assembly includes a blocking cylinder and a blocking element on the piston rod of the blocking cylinder, as well as a sensing element.

8. The automatic feeding machine as described in claim 3, characterized in that, The lowering mechanism includes a lowering cylinder mounted on the lower frame, with the top of the piston rod fixed to a fourth mounting plate. Two guide columns are arranged parallel to each other on both sides of the lowering cylinder, with their bottom and top ends fixed to the lower and middle frames, respectively. A pair of fixing members are fixed to the two guide columns, and two pairs of sliding members are slidably mounted on them. The fixing members are fixedly connected to the fourth mounting plate, and the two pairs of sliding members are fixedly connected to a connecting column. The connecting column and the fourth mounting plate are perpendicular to the guide columns and parallel to each other. The two connecting columns are arranged parallel vertically. A side plate is fixedly mounted at each end of the connecting column, and the two side plates are parallel to each other and face the discharge mechanism. Two lowering mounting seats are mounted on the opposite sides of the two side plates. A pallet conveying mechanism is installed between the two lowering mounting seats.

Images