An automatic feeding device and a material feeding information binding device

Abstract

The utility model provides an automatic feeding device and material feeding's information binding device relate to automatic production equipment technical field, and this automatic feeding device includes multichannel material rack, discharge mechanism and moving mechanism, multichannel material rack includes a plurality of parallelly arranged bins, and bin is used for accommodating material, discharge mechanism is located on the discharge station, and the discharge station is aligned with one bin in a plurality of bins, and discharge mechanism is used for taking out the material in the bin alignment with the discharge station, moving mechanism is driven connection with multichannel material rack, is used for driving multichannel material rack movement, when discharge mechanism completes the material taking of one bin, moving mechanism drives multichannel material rack to move, to make the next bin aligns the discharge station, through setting the multichannel material rack of whole body translation, and make it cooperate with the fixed discharge station, after completing taking material through one bin, the next bin is switched to the discharge station mode, realize the switching of multiple bins, guarantee continuous uninterrupted feeding.

Description

Technical Field

[0001] This utility model relates to the field of automated production equipment technology, and in particular to an automatic feeding device and a material feeding information binding device. Background Technology

[0002] In modern industrial automated production, especially in assembly lines for electronic products, home appliances, and precision instruments, the precise and continuous supply of various components to designated workstations is a key link in ensuring production efficiency and product quality. For example, on the final assembly lines for products such as air conditioners and televisions, small materials such as remote controls, screws, and labels need to be automatically placed next to the main unit or in designated locations.

[0003] To achieve automated material supply, existing technologies typically employ automatic feeding devices. A common approach is to use a single-channel magazine-type or hopper-type feeder. Operators pre-load materials into replaceable magazines or hoppers, and the feeder automatically removes materials from the magazines one by one and delivers them to the next process.

[0004] However, this single-channel feeding method has an inherent drawback: When a magazine runs out of material, the equipment must stop operating and wait for an operator to manually replace it with a new, fully loaded magazine. This process not only disrupts the production line, reducing overall production efficiency, but also still requires real-time human monitoring and frequent intervention, failing to achieve fully automated operation. This problem is particularly prominent in situations where material consumption is rapid.

[0005] Therefore, existing automated feeding technologies need to be improved to overcome their shortcomings. Summary of the Invention

[0006] To overcome the problems existing in related technologies, one of the objectives of this utility model is to provide an automatic feeding device. This automatic feeding device is equipped with a multi-channel material rack that can be moved as a whole and is coordinated with a fixed discharge station. After the material is picked up from one hopper, the device switches to the next hopper to the discharge station, thereby realizing the switching of multiple hoppers and ensuring continuous and uninterrupted feeding. This overcomes the technical problem in the prior art that when the material in a single hopper is used up, the machine needs to be stopped and manual intervention is required, which leads to production interruption and makes it impossible to achieve continuous and unmanned feeding.

[0007] An automatic feeding device includes: A multi-channel rack includes multiple parallel hoppers for holding materials; A discharge mechanism is located at a discharge station, which is aligned with one of the multiple hoppers. The discharge mechanism is used to remove material from the hopper aligned with the discharge station. A moving mechanism, connected to the multi-channel rack drive, is used to drive the multi-channel rack to move; When the discharge mechanism completes the material removal from one of the hoppers, the moving mechanism drives the multi-channel rack to move so that the next hopper is aligned with the discharge station.

[0008] Furthermore, a material shortage detection unit is located at the discharge station to detect whether there is material in the hopper aligned with the discharge station. When the material shortage detection unit detects that there is no material in the hopper aligned with the discharge station, the moving mechanism drives the multi-channel rack to move so that the next hopper is aligned with the discharge station.

[0009] By adding a fixed material shortage detection unit, a precise and reliable trigger signal is provided for automatic switching. The material shortage detection unit monitors in real time whether there is still material in the hopper currently aligned with the discharge station. Once an empty hopper is detected, this signal immediately becomes the command to start the moving mechanism. Using sensors for objective judgment avoids misjudgments caused by counting errors or material jams, ensuring "on-demand triggering" of the switching action. This makes the entire automatic switching process more intelligent, accurate, and reliable, and avoids the discharge mechanism's invalid material-taking action from empty hoppers.

[0010] Furthermore, the controller is electrically connected to the material shortage detection unit and the moving mechanism. The controller is configured to control the moving mechanism to drive the multi-channel material rack to move so that the next material bin is aligned with the material discharge station when the material shortage detection unit detects that there is no material in the hopper aligned with the material discharge station.

[0011] The material shortage detection unit sends the detected "material present" or "material absent" electrical signal to the controller. The controller, as the decision-making core, processes the signal according to preset logic and accurately sends a drive command to the moving mechanism when it receives a "material absent" signal.

[0012] Furthermore, the materials in the silo are placed in a stacked manner; Each of the hoppers has a pair of openings on both sides of its bottom, and each pair of openings is arranged in a direction that intersects with the direction in which the hoppers are arranged.

[0013] Materials naturally stack within the silo due to gravity, with the bottom layer always in a ready position. The openings on both sides of the silo's bottom provide the necessary physical passage for the discharge mechanism to enter from the side and act on the bottom layer of material.

[0014] Furthermore, the discharge mechanism includes a take-out component and a transfer component; The extraction component and the transfer component are respectively located on both sides of the multi-channel rack. The extraction component is used to extract materials from the hopper along the direction of the pair of openings, and the transfer component is used to receive the materials extracted by the extraction component.

[0015] By specifying the discharge mechanism as a two-sided collaborative extraction and transfer component, seamless material extraction and reception are achieved. The extraction component enters through an opening on one side of the rack, pushing the bottommost material horizontally. After leaving the hopper, the material is immediately and stably received by the transfer component on the other side. This avoids the problems of inaccurate positioning or damage caused by the disorderly falling of material after simple extraction, significantly improving the accuracy and reliability of the discharge action.

[0016] Furthermore, the extraction component includes a pusher and a first drive, the first drive being used to drive the pusher to reciprocate along the direction of the pair of openings; The transfer assembly includes a discharge trough and a second driving component. The discharge trough is used to receive materials, and the second driving component is used to drive the discharge trough to flip or tilt.

[0017] The first driving component (such as a cylinder) drives the pusher to pick up the material, which is then temporarily stored in the discharge trough. Subsequently, when discharge is needed, the second driving component (such as a rotary cylinder or motor) drives the discharge trough to flip or tilt, completing the final discharge. This two-step design allows the device to complete preparatory work such as picking up and scanning while waiting for instructions from downstream processes (such as waiting for the entire machine to arrive), forming a buffer. This effectively shortens the response time, optimizes the production cycle, and allows the device to be better integrated into high-speed, collaborative automated production lines.

[0018] Furthermore, the moving mechanism is used to drive the multi-channel rack to move along the arrangement direction of the hopper.

[0019] By using a defined moving mechanism to drive the multi-channel material rack along its arrangement direction, the most efficient and simplest motion method is employed. When switching material bins is required, the moving mechanism drives the material rack to perform a simple linear translation, allowing the next adjacent material bin to accurately reach the discharge station. Compared to rotary or multi-axis compound motion, this single-degree-of-freedom linear motion not only has the simplest mechanical structure and is easiest to control, but also occupies less space, operates at higher speeds, and has a lower failure rate. This allows the entire automatic switching mechanism to achieve its core functions while also possessing significant advantages such as low cost, high reliability, and convenient maintenance.

[0020] The second objective of this utility model is to provide a material feeding information binding device for binding materials with the entire machine on the production line, including the automatic feeding device described above, and further including: A barcode scanning mechanism is used to scan the barcode of the material taken out by the dispensing mechanism and obtain material information; The complete machine inspection module is used to inspect whether the complete machines on the production line have passed through the inspection process. The data processing module, connected to the barcode scanning mechanism, is used to associate and bind the acquired material information with the machine information as the machine passes by.

[0021] While the automatic feeding system is in operation, the barcode scanning mechanism automatically acquires the unique identification information of each material (such as a remote control). The machine inspection module confirms the precise arrival time of the machine, and the data processing module binds the material information to the machine information. This not only solves the problem of automated material loading but also addresses the issue of traceability of critical data during production, ensuring a one-to-one correspondence between parts and the main unit. It eliminates errors that may occur with manual binding, significantly improving product quality control and the level of information management in the production line.

[0022] The beneficial effects of this utility model are as follows: This utility model provides an automatic feeding device that uses a multi-channel, movable material rack in conjunction with a fixed discharge station. After retrieving material from one hopper, the rack is moved to switch hoppers, thus achieving continuous material supply. When the material in one hopper is exhausted, the device does not need to stop and wait for manual intervention; instead, it switches to the next hopper to continue feeding, greatly improving the continuous operation time and overall production efficiency of the production line, while significantly reducing the labor intensity of manual monitoring and operation. Attached Figure Description

[0023] Figure 1 This is a perspective view of the automatic feeding device provided in the embodiments of this application; Figure 2 This is a side view of the automatic feeding device provided in the embodiments of this application; Figure 3 This is a schematic diagram of the structure of the multi-channel rack provided in the embodiments of this application; Figure 4 This is a schematic diagram of the structure of the extraction component provided in the embodiments of this application; Figure 5 This is a schematic diagram of the transfer component provided in the embodiments of this application.

[0024] Figure label: 10. Multi-channel rack; 11. Hopper; 111. Opening; 20. Moving mechanism; 30. Discharge mechanism; 31. Remove the component; 311. First driving component; 312. Pushing component; 32. Transfer component; 321. Discharge chute; 322. Second drive component. Detailed Implementation

[0025] Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0026] Example 1 like Figures 1 to 3 As shown, this embodiment provides an automatic feeding device, the structure of which aims to solve the problem in the prior art where a single-channel feeder must stop and wait for manual replacement after the material is exhausted, so as to achieve continuous and uninterrupted automatic feeding. It includes a multi-channel feed rack 10, a discharge mechanism 30, and a moving mechanism 20.

[0027] like Figure 3 As shown, the multi-channel feeder 10 structurally comprises multiple parallel feed bins 11. While the illustration shows multiple feed bins 11, their number can be increased or decreased according to actual production needs. Each feed bin 11 is designed as a channel of a certain depth to accommodate materials to be supplied (such as remote controls) in a stacked manner. This multi-channel design effectively pre-stores several times the amount of material compared to a single-channel feeder, providing the physical basis for achieving long-term unmanned operation.

[0028] The discharge mechanism 30 is fixedly installed at a discharge station. This discharge station is the only position in the entire device where material removal is performed. At any given time, only one of the multiple hoppers 11 can be aligned with this discharge station. The function of the discharge mechanism 30 is to remove the material from the bottom of the hopper 11 currently aligned with the discharge station.

[0029] The moving mechanism 20 is connected to the multi-channel rack 10 for driving, and its core function is to drive the entire multi-channel rack 10 to move precisely linearly along the arrangement direction of the hopper 11. In this embodiment, the moving mechanism 20 can be a ball screw linear module driven by a servo motor or a stepper motor to ensure smooth movement and accurate positioning.

[0030] The collaborative operation of these three core components is as follows: In the initial state, the moving mechanism 20 moves the first material-filled hopper 11 to the discharge station and aligns it with the discharge mechanism 30. The discharge mechanism 30 continuously removes material from the hopper 11. When all the material in the hopper 11 has been removed, the moving mechanism 20 receives a switching command and immediately drives the entire multi-channel rack 10 to move a preset distance (i.e., the spacing between the hoppers 11), so that the next material-filled hopper 11 moves precisely to the discharge station and takes over from the previous empty hopper 11 to continue supplying material to the discharge mechanism 30.

[0031] In a preferred embodiment, the main frame of the multi-channel rack 10 can be constructed from industrial aluminum profiles, offering advantages such as structural stability and ease of adjustment. The hopper 11 is formed by multiple vertically mounted partitions (e.g., acrylic or metal plates), with the distance between the partitions slightly greater than the width of the material to be placed, ensuring that the material can slide smoothly under gravity while maintaining the correct posture. The bottom of the rack is fixed to a slider or base plate connected to the moving mechanism 20.

[0032] Specifically, the moving mechanism 20 can be a mature linear motion module in the field of automation. For example, in applications requiring high positioning accuracy, a ball screw linear module driven by a servo motor can be used. Alternatively, in applications requiring high operating speed and being cost-sensitive, a synchronous belt linear module driven by a stepper motor can be used. Both of these modules can achieve stable and reliable linear motion, accurately delivering the multi-channel material rack 10 to the preset workstation.

[0033] Specifically, the design of the discharge mechanism 30 can be varied. A simple and reliable method is to use a pneumatic horizontal pushing mechanism, which is a horizontally positioned cylinder with a push plate connected to the end of its piston rod. When material needs to be removed, the cylinder actuates, driving the push plate to push the material at the bottom of the hopper 11 out through the side opening 111. Of course, similar pushing or pulling actions can also be achieved using an electric push rod, or a linkage, cam, or other mechanism driven by a motor.

[0034] The aforementioned "moving material rack, fixed workstation" design fundamentally changes the "fixed material bin 11, manual replacement" mode in the background technology. When a material bin 11 is depleted, the system does not need to stop; instead, the automatic horizontal movement of the moving mechanism 20 quickly switches to a new material bin 11, achieving seamless material supply. This improves production continuity and automation, frees operators from frequent material changes, and significantly enhances overall production efficiency.

[0035] Example 2 like Figures 1 to 3As shown, based on Embodiment 1, this embodiment introduces a sensing and control unit, which aims to provide a more intelligent and reliable triggering mechanism for the automatic switching of the hopper 11, thereby forming a complete closed-loop automatic control system.

[0036] The automatic feeding device in this embodiment, based on the first embodiment, further includes a material shortage detection unit and a controller.

[0037] The material shortage detection unit is fixedly installed at the discharge station. Specifically, it can be implemented as a bottom-up, through-beam photoelectric sensor. The sensor's transmitter and receiver are located at the bottom and top of the hopper 11, respectively, with its beam passing precisely through the bottom of the hopper 11 currently aligned with the discharge station. Figure 3 As shown, if the bottom of the hopper 11 is plate-type, an opening 111 needs to be opened at the corresponding position at the bottom to allow the material shortage detection unit to work normally. When there is material in the hopper 11, the material at the bottom will block the light beam, and the sensor will output a material presence signal; when the last material in the hopper 11 is removed, the light beam will no longer be blocked, and the sensor will immediately output a material shortage signal.

[0038] The controller, such as a PLC (Programmable Logic Controller), serves as the control core of the entire device. Its signal input terminal is electrically connected to the material shortage detection unit, and its signal output terminal is electrically connected to the drive motor of the moving mechanism 20.

[0039] The controller is pre-programmed to execute the following logic: when it receives a continuous material presence signal from the material shortage detection unit, the controller keeps the moving mechanism 20 stationary and allows the discharging mechanism 30 to operate normally; once the controller receives a material shortage signal from the material shortage detection unit, it will immediately execute the preset program, send an instruction to the moving mechanism 20, and control it to drive the multi-channel material rack 10 to move until the next material bin 11 reaches the discharging station and the material shortage detection unit detects a material presence signal again.

[0040] As an alternative implementation, the material shortage detection unit can also be a mechanical limit switch (or micro switch). This switch is fixed to one side of the discharge station, and its contact rod or roller is pressed down by the weight of the material piled up in the hopper 11. As long as there is at least one piece of material in the hopper 11, the limit switch remains in the on or off state. When the last piece of material is removed, the pressure of the material pile disappears, and the contact rod of the limit switch resets under the action of an internal spring, thereby switching its electrical signal state and transmitting a no-material signal to the controller. This method is simple in structure and low in cost, making it a very economical and reliable choice in situations where the surface finish of the material is not critical.

[0041] In one specific embodiment, the controller is a PLC. To improve the system's anti-interference capability and operational stability, its internal control logic can be further optimized: When the PLC receives a no-material signal from the material shortage detection unit, it does not immediately execute the switching action. Instead, it initiates a short delay program (e.g., 0.5 seconds). If the signal recovers to material presence during the delay period (possibly due to material movement or sensor signal jitter), the switching command is canceled. Only when the no-material signal persists for more than the preset duration will the PLC finally confirm that hopper 11 is empty and issue a switching command.

[0042] When the device is powered on, the PLC will first execute an initialization program. It will control the moving mechanism 20 to move to the preset origin position, then move the material rack one by one, and check the status of each material bin 11 through the material shortage detection unit until it finds the first material bin 11 with material and aligns it with the discharge station, and then enters the standby working state.

[0043] When the PLC executes the switching instruction, if it finds that all hoppers 11 have been traversed but the material shortage detection unit continues to report no material, the PLC will determine that the entire rack is empty. At this point, the controller will stop the switching action and output an alarm signal, such as illuminating the alarm light on the equipment or driving the buzzer to sound, to remind the operator that materials need to be replenished.

[0044] By introducing a material shortage detection unit and controller, precise triggering criteria are provided for the switching action of hopper 11. Compared to indirect methods such as counting or timing to determine whether hopper 11 is empty, the direct physical detection method using sensors is more reliable, avoiding misjudgments that may be caused by material jams, inconsistent sizes, or counting errors. This ensures the immediacy and accuracy of the switching action, achieving true on-demand switching and making the entire automation process more intelligent, efficient, and stable.

[0045] Example 3 This embodiment details the specific implementation of the discharge mechanism 30 and the corresponding hopper 11, aiming to provide a stable, reliable, and material-friendly discharge solution.

[0046] like Figure 3 As shown, in this embodiment, each hopper 11 has a pair of openings 111 on both sides of its bottom, along the direction intersecting with the arrangement direction of the hoppers 11 (i.e., the direction in which the material is pushed out). These openings 111 provide a physical channel for the entry of the discharge mechanism 30 and the exit of the material.

[0047] like Figure 1 and Figure 2As shown, the discharge mechanism 30 is specifically defined as including a take-out component 31 and a transfer component 32, which are respectively located on both sides of the multi-channel material rack 10 and work together around the discharge station.

[0048] like Figure 4 As shown, the extraction component 31 includes a pusher 312 (e.g., a push plate adapted to the side shape of the remote control) and a first drive 311 (e.g., a horizontally mounted cylinder). The first drive 311 drives the pusher 312 to reciprocate linearly within the channel defined by the opening 111. When material needs to be extracted, the first drive 311 drives the pusher 312 forward, smoothly pushing the bottommost material laterally out of the hopper 11.

[0049] like Figure 5 As shown, the transfer assembly 32 includes a discharge trough 321 and a second drive member 322. The discharge trough 321 is designed as a platform or container capable of stably receiving and temporarily storing material pushed out by the extraction assembly 31. The second drive member 322 (e.g., a rotary cylinder or motor) is driven to the discharge trough 321 and is used to drive the discharge trough 321 to flip or tilt when a discharge command is received, thereby discharging the material in the trough to a designated location by free fall or sliding.

[0050] The first driving component 311 is preferably a horizontally arranged cylinder, the cylinder body of which is fixed to the frame of the device. The pushing component 312 is a push rod, which includes an L-shaped partition portion and a pushing portion with one end perpendicular to the partition portion. The piston rod end of the cylinder is fixedly connected to the rod portion of the pushing component 312 via a connecting block. In the initial state, the piston rod of the cylinder is in the retracted position, and the entire pushing component 312 is located on one side of the discharge station. When the controller issues a material picking command, the cylinder actuates, its piston rod extends, thereby driving the entire pushing component 312 to move linearly along the direction of the opening 111. The pushing portion at the front end of the pushing component 312 acts on the side of the material at the bottom of the current hopper 11, stably pushing it laterally out of the opening 111 at the bottom of the hopper 11. Meanwhile, the L-shaped baffle supports the material above, ensuring its stability during the ejection of the material at the bottom. This prevents the material from falling and interfering with the cylinder's retraction. The L-shaped baffle also effectively prevents the cylinder from going too deep and jamming. After the material is completely ejected, the cylinder reverses its direction, the piston rod retracts, and the pusher 312 returns to its initial position, completing one full reciprocating material handling cycle. This structure uses a standard cylinder as its power source, is simple in design, low in cost, and operates quickly and reliably, meeting the high-cycle, high-stability requirements of automated production lines.

[0051] The horizontal pushing mechanism ensures smooth operation and minimizes impact on materials, making it suitable for materials requiring a certain level of precision, such as remote controls. The discharge process is broken down into two independent steps: retrieving the material into the discharge trough 321 and releasing it from the trough 321, creating a crucial buffer. This allows processes such as barcode scanning and quality inspection to proceed smoothly at the stable intermediate station of the discharge trough 321, without needing strict synchronization with the production line rhythm. Once the complete machine is in position on the production line, the second drive unit 322 performs the final discharge action, achieving time decoupling and significantly optimizing the overall system's response speed and the flexibility of collaborative operation.

[0052] Example 4 This embodiment applies the automatic feeding device of this utility model to the specific scenario of automatic online connection and information binding of remote control in an air conditioning production line, thus forming a more comprehensive material feeding and information binding system.

[0053] Based on the automatic feeding device described in Embodiment 3, this system further integrates a barcode scanning mechanism, a whole machine detection module, and a data processing module.

[0054] A barcode scanning mechanism, such as a fixed industrial barcode reader, is mounted above the discharge trough 321 of the transfer assembly 32, with its lens aimed at the barcode area of ​​the material in the discharge trough 321.

[0055] The whole machine detection module, such as a photoelectric sensor installed on the side of the production line, is used to detect whether the air conditioning unit on the production line has moved to the preset feeding position.

[0056] The data processing module, such as the host computer (PC) or industrial control computer on the production line, communicates with the controller, barcode scanning mechanism, and the factory's MES (Manufacturing Execution System).

[0057] The complete workflow of this system is as follows: When a remote control is pushed into the discharge trough 321 by the remote control removal component 31, the barcode scanning mechanism is immediately triggered to scan the barcode on the surface of the remote control and obtain its unique material information, and then send the information to the data processing module.

[0058] The remote control waits in the discharge trough 321, while the whole machine detection module monitors the production line.

[0059] When the whole machine detection module detects that the empty adjustment machine has reached the feeding position, it sends a signal to the data processing module and the controller.

[0060] Upon receiving the signal, the data processing module associates and binds the remote control material information that was just scanned with the barcode information of the current whole machine (provided by the MES system).

[0061] At the same time, after receiving the signal, the controller activates the second drive component 322 of the instruction transfer component 32, causing the discharge chute 321 to flip and accurately place the remote control that has been bound to the information onto the machine on the production line.

[0062] This system not only solves the problem of automatically connecting remote controls to the network, reducing manpower and increasing efficiency, but more importantly, it ensures that each remote control is accurately bound to its corresponding device information through automatic scanning and binding. This completely eliminates quality risks such as mismatches and missed scans that may occur due to manual operation. It provides an accurate data source for the entire product lifecycle quality traceability, enabling intelligent manufacturing and improving product quality management.

[0063] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of this application. Any specific values ​​in all examples shown and discussed herein should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0064] Furthermore, it should be noted that the use of terms such as "first" and "second" is merely for ease of distinction, and unless otherwise stated, these terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application.

[0065] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An automatic feeding device, characterized in that, include: A multi-channel rack (10) includes multiple parallel hoppers (11) for holding materials; The discharge mechanism (30) is located at the discharge station, which is aligned with one of the multiple hoppers (11). The discharge mechanism (30) is used to remove the material from the hopper (11) aligned with the discharge station. The moving mechanism (20) is driven to connect with the multi-channel rack (10) and is used to drive the multi-channel rack (10) to move; When the discharge mechanism (30) completes the material removal from one of the hoppers (11), the moving mechanism (20) drives the multi-channel rack (10) to move so that the next hopper (11) is aligned with the discharge station.

2. The automatic feeding device according to claim 1, characterized in that, Also includes: A material shortage detection unit is located at the discharge station and is used to detect whether there is material in the hopper (11) aligned with the discharge station. When the material shortage detection unit detects that there is no material in the hopper (11) aligned with the discharge station, the moving mechanism (20) drives the multi-channel rack (10) to move so that the next hopper (11) is aligned with the discharge station.

3. The automatic feeding device according to claim 2, characterized in that, Also includes: The controller is electrically connected to the material shortage detection unit and the moving mechanism (20). The controller is configured to control the moving mechanism (20) to drive the multi-channel rack (10) to move so that the next hopper (11) is aligned with the material discharge station when the material shortage detection unit detects that there is no material in the hopper (11) aligned with the material discharge station.

4. The automatic feeding device according to claim 3, characterized in that: The materials in the silo (11) are placed in a stacked manner; Each of the hoppers (11) has a pair of openings (111) on both sides of its bottom, and each pair of openings (111) is arranged in a direction that intersects with the arrangement direction of the hoppers (11).

5. The automatic feeding device according to claim 4, characterized in that: The discharge mechanism (30) includes a take-out component (31) and a transfer component (32); The extraction component (31) and the transfer component (32) are respectively disposed on both sides of the multi-channel rack (10). The extraction component (31) is used to extract materials from the hopper (11) along the direction of the pair of openings (111), and the transfer component (32) is used to receive the materials extracted by the extraction component (31).

6. The automatic feeding device according to claim 5, characterized in that: The extraction component (31) includes a pusher (312) and a first drive (311), the first drive (311) being used to drive the pusher (312) to reciprocate along the direction of the pair of openings (111); The transfer assembly (32) includes a discharge trough (321) and a second drive member (322). The discharge trough (321) is used to receive materials, and the second drive member (322) is used to drive the discharge trough (321) to flip or tilt.

7. The automatic feeding device according to claim 1, characterized in that: The moving mechanism (20) is used to drive the multi-channel rack (10) to move along the arrangement direction of the hopper (11).

8. A material feeding information binding device, characterized in that, The device is used to bind materials to complete machines on the production line, including the automatic feeding device as described in any one of claims 2 to 7, and further comprising: A barcode scanning mechanism is used to scan the barcode of the material taken out by the dispensing mechanism (30) and obtain material information; The complete machine inspection module is used to inspect whether the complete machines on the production line have passed through the inspection process. The data processing module, connected to the barcode scanning mechanism, is used to associate and bind the acquired material information with the machine information as the machine passes by.

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