Automatic feeding device for preparing polycrystalline alumina fiber spinning colloid

Abstract

The application discloses an automatic feeding device for preparing polycrystalline alumina fiber spinning glue, relates to the technical field of chemical material adding, and stores material through a first hopper, adds material through a second hopper, divides the material into multiple feeding batches, records the weight change before and after the output of the material of the first hopper and the weight change before and after the input of the material of the second hopper and before and after the output of the material every time before the last time, obtains the total material adding error before the last feeding from the weight change, combines the total amount of the material to be added and the weight of the material to be added, calculates the last material input amount of the last first hopper to the second hopper, realizes automatic feeding through a discharging switch and a discharger, reduces the error caused by manual operation, shortens the exposure time of raw materials, reduces dust exposure and environmental pollution, realizes more accurate control of the weight of raw material adding through multiple weighing and error feedback control, and maximally reduces the error range.

Description

Technical Field

[0001] This invention relates to the field of chemical material addition technology, and in particular to an automatic feeding device for polycrystalline alumina fiber spinning adhesive system. Background Technology

[0002] The chemical composition of the polycrystalline alumina fiber spinning colloid is a key factor affecting the quality and physical properties of polycrystalline alumina fibers and products. The chemical composition of the polycrystalline alumina fiber spinning colloid is closely related to the quality of the fiber.

[0003] The chemical composition content is one of the core parameters of polycrystalline alumina fiber spinning colloid. For example, too low or too high alumina content will cause permanent linear shrinkage of alumina fibers upon heating, as well as deterioration in fiber strength and elasticity.

[0004] Currently, the mainstream feeding method is manual feeding. Manual feeding is subject to subjective error, making it difficult to guarantee accurate feeding amounts; moreover, it requires frequent feeding operations, resulting in high labor intensity and fatigue, affecting work efficiency and accuracy; open operation can easily lead to material leakage and environmental pollution, affecting the health of operators; and it lacks data recording and analysis functions, making it impossible to monitor and optimize the production process in real time.

[0005] Therefore, improving the accuracy of the chemical composition of spinning colloids and the quality of alumina fibers, while reducing the intensity of manual labor, is one of the key tasks for those skilled in the art. Summary of the Invention

[0006] The purpose of this invention is to provide an automatic feeding device for polycrystalline alumina fiber spinning colloid, which can more accurately and stably control the chemical composition content of the spinning colloid and improve product quality stability.

[0007] To solve the above-mentioned technical problems, embodiments of the present invention provide an automatic feeding device for the preparation of polycrystalline alumina fiber spinning binder, comprising:

[0008] The first hopper, the first feeding switch, the first weighing component, and the first feeder are provided in the first hopper. The first feeder is used to output the material stored in the first hopper waiting to be added from the first discharge port. The first feeding switch is used to control the outlet state of the first discharge port. The first weighing component is used to weigh the first hopper before and after the material is output and output the first weighing information.

[0009] The second hopper, the second discharge switch installed in the second hopper, the second weighing component, and the second feeder are used to receive the material output from the first hopper. The second discharge switch is used to open or close the second discharge port of the second hopper. The second weighing component is used to detect the second weighing information of the second hopper before, after, and after the material is input. The second feeder is used to output the material from the second hopper to the production equipment through the second discharge port.

[0010] An error detection module is connected to the first weighing component and the second weighing component. It is used to calculate the material weight error in a single feeding in a feeding cycle based on the first weighing information and the second weighing information. The material weight error includes a first weight error and a second weight error. The first weight error is the difference between the decrease in weight of the first hopper and the increase in weight of the second hopper. The second weight error is the difference in the total amount of material before and after feeding from the second hopper.

[0011] The final feeding module, connected to the error detection module, is used to obtain the total feeding amount of the production equipment in this cycle, as well as the cumulative material weight error of the material before the last feeding as the cumulative material weight error, and the amount of material already fed to the production equipment by the second hopper in this cycle. The total feeding amount is continuously subtracted from the cumulative material weight error and the amount of material already fed, and the difference is output as the final material input amount of the first hopper to the second hopper.

[0012] It also includes an alarm connected to the error detection module, which is used to output the first weight error, the second weight error, alarm information, and control the first or second feeder to stop feeding operation after detecting a first weight error or a second weight error that is greater than or equal to the error threshold.

[0013] It also includes a data storage module connected to the error detection module and the final feeding module, used to store the first weighing information, the second weighing information, as well as the weight reduction value, the weight increase value, and the total difference value.

[0014] It also includes a first lifting component installed in the first hopper, used to control the height of the first hopper.

[0015] It also includes a second lifting component installed in the second hopper and a translation component installed at the bottom of the second hopper. The second lifting component is used to control the height of the second hopper, and the translation component is used to move the horizontal position of the second hopper, so that the second hopper can move between the first hopper and the production equipment.

[0016] It also includes a laser rangefinder installed in the second hopper, used to detect the distance between the second hopper and the first discharge port and the feeding inlet of the production equipment during the movement of the second hopper through the translation component and the second lifting component.

[0017] It also includes a first control panel installed in the first hopper and a second control panel installed in the second hopper. The first control panel is connected to the first discharge switch, the first weighing component, the first feeder, and the first lifting component. The second control panel is connected to the second discharge switch, the second weighing component, the second feeder, the translation component, and the second lifting component.

[0018] It also includes a display module connected to the error detection module, the first weighing component, the second weighing component, and the final feeding module, for displaying data generated during the operation of the error detection module, the first weighing component, the second weighing component, and the final feeding module.

[0019] The first and second feeders are either linear feeders or spiral feeders.

[0020] It also includes a sealing cover installed at the inlet of the second hopper, used to seal the second hopper during material storage.

[0021] The automatic feeding device for polycrystalline alumina fiber spinning sizing adhesive provided in this embodiment of the invention has the following advantages compared with the prior art:

[0022] The automatic feeding device for preparing polycrystalline alumina fiber spinning colloid provided in this invention uses a first hopper to store materials and a second hopper to add materials. In this process, one material adding cycle is divided into multiple single cycles. Before the last cycle, the weight changes before and after the first hopper outputs material, and the weight changes before and after the second hopper inputs and outputs material, are recorded each time. This allows the total material adding error to be obtained before the last feeding. Combining the total amount of material to be added and the weight of the already added material, the final material input amount from the first hopper to the second hopper is calculated. This enables the preparation of high-quality spinning colloids with stable composition ratios. Automated feeding is achieved through a feeding switch and feeder, reducing errors caused by human operation. The entire feeding process is stable, with short raw material exposure time, reducing dust exposure and environmental pollution. Multiple weighings and error feedback control allow for more precise control of the raw material addition weight, minimizing the error range. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1A schematic diagram of an embodiment of the automatic feeding device for polycrystalline alumina fiber spinning adhesive system provided by the present invention;

[0025] Among them, 10-first hopper, 11-first weighing component, 12-first feeder, 13-first feeder switch, 14-first control panel, 15-first lifting component, 20-second hopper, 21-second weighing component, 22-second feeder, 23-second feeder switch, 24-second control panel, 25-second lifting component, 26-translation component, 27-sealing cover, 30-slide rail, 100-controller. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please refer to Figure 1 , Figure 1 This is a schematic diagram of an embodiment of the automatic feeding device for polycrystalline alumina fiber spinning adhesive provided by the present invention.

[0028] In one specific embodiment, the automatic feeding device for the polycrystalline alumina fiber spinning adhesive system includes:

[0029] The first hopper 10, the first feeding switch 13, the first weighing component 11, and the first feeder 12 are provided in the first hopper 10. The first feeder 12 is used to output the material stored in the first hopper 10 waiting to be added from the first discharge port. The first feeding switch 13 is used to control the outlet state of the first discharge port. The first weighing component 11 is used to weigh the first hopper 10 before and after material output and output the first weighing information.

[0030] The second hopper 20, the second discharge switch 23 installed in the second hopper 20, the second weighing component 21, and the second feeder 22 are used to receive the material output from the first hopper 10. The second discharge switch 23 is used to open or close the second discharge port of the second hopper 20. The second weighing component 21 is used to detect the second weighing information of the second hopper 20 before, after, and after the material is input. The second feeder 22 is used to output the material of the second hopper 20 to the production equipment through the second discharge port.

[0031] The error detection module is connected to the first weighing component 11 and the second weighing component 21. It is used to calculate the material weight error in a single feeding in a feeding cycle based on the first weighing information and the second weighing information. The material weight error includes a first weight error and a second weight error. The first weight error is the difference between the weight reduction of the first hopper 10 and the weight increase of the second hopper 20. The second weight error is the difference in the total amount of material before and after feeding from the second hopper 20.

[0032] The final feeding module, connected to the error detection module, is used to obtain the total feeding amount of the production equipment in this cycle, as well as the cumulative material weight error of the material before the last feeding as the cumulative material weight error, and the amount of material already fed to the production equipment by the second hopper in this cycle. The total feeding amount is continuously subtracted from the cumulative material weight error and the amount of material already fed, and the difference is output as the final material input amount of the first hopper 10 to the second hopper 20.

[0033] It should be noted that the total feeding amount is the total weight of material to be fed in a cycle that is preset. For example, if 100g of material is set to be fed in a feeding cycle, the first hopper, the second hopper weighing, feeding, and error detection module will be used to detect errors. Finally, the last feeding module will complete the calculation of the last material input amount and feed the material. The final output material total is 100g for a complete feeding cycle.

[0034] By using a method of storing materials in the first hopper 10 and feeding materials in the second hopper 20, a single material feeding cycle is divided into multiple single cycles. Before the last cycle, the weight changes before and after the material output from the first hopper 10 and the weight changes before and after the material input and output from the second hopper 20 are recorded each time. From this, the total material feeding error, i.e., the cumulative material weight error, can be obtained before the last feeding. The total amount of added material is divided by the weight of the already added material and the cumulative material weight error to calculate the final material input amount from the first hopper 10 to the second hopper 20. This method can achieve the preparation of high-quality spinning colloids with stable composition ratios. Automated feeding can be achieved through a feeding switch and feeder, reducing errors caused by human operation. The entire feeding process is stable, with short raw material exposure time, reducing dust exposure and environmental pollution. Through multiple weighings and error feedback control, the weight of added raw materials can be controlled more precisely, minimizing the error range.

[0035] Because this application involves multiple material additions, each addition introduces data errors. Although these errors are adjusted and eliminated during the final material addition, excessively large errors can affect the effectiveness of the final adjustment and may even lead to a decrease in the overall accuracy of material addition.

[0036] To address this technical problem, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system further includes an alarm connected to an error detection module. This alarm is used to output the first weight error, the second weight error, and an alarm message, and to control the first feeder 12 or the second feeder 22 to stop feeding operations after detecting a first weight error or a second weight error that is greater than or equal to an error threshold.

[0037] The alarm detects the relationship between the first or second weight error and the error threshold. If the error exceeds the threshold, it indicates that the error in the current material addition is too large, which seriously affects the material addition accuracy of this cycle. The current material addition operation needs to be stopped, otherwise it will affect the overall chemical composition. Therefore, it is necessary to control the first feeder 12 or the second feeder 22 to stop the feeding operation and stop the current material operation.

[0038] This application does not limit the type of alarm or the alarm method, including but not limited to audible and visual alarms. The error threshold can be preset, set by the system, or set on-site according to different added precision.

[0039] To ensure the reliability of the entire material addition process and to facilitate further optimization of the material addition process, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system also includes a data storage module connected to the error detection module and the last feeding module, for storing the first weighing information, the second weighing information, as well as the weight reduction value, the weight increase value, and the total difference value.

[0040] The data storage module stores the first weighing information, the second weighing information, the weight reduction value, the weight increase value, and the total difference. This allows the equipment to be recorded during operation and, in the event of errors in subsequent components, the data can be used to identify the corresponding faulty equipment, facilitating equipment maintenance and improving maintenance efficiency.

[0041] The data storage module in this application can perform data storage on-site, or simultaneously perform data storage in the cloud, or use other storage methods. This application does not limit the device for the data storage module, including but not limited to optical discs, USB flash drives, and portable hard drives.

[0042] Since the first hopper 10 and the second hopper 20 need to add materials, that is, the former stores materials and provides materials for the second hopper 20, if the distance from the input and receiving parties is too large during the material acquisition and output process, it will cause material splashing, pollute the environment, and even reduce the accuracy of material addition. In order to solve this technical problem, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system also includes a first lifting component 15 set in the first hopper 10 for controlling the height of the first hopper 10.

[0043] By setting a first lifting component 15 in the first hopper 10 to control the height of the first hopper 10, the height difference between the hopper 10 and the corresponding object during the material receiving and output process can be less than a threshold, thereby reducing material splashing and improving the addition accuracy.

[0044] This application does not limit the type of the first lifting component 15. It can be controlled by a cylinder, or by a motor, lead screw, or other components.

[0045] This application does not limit the type of weighing component or the installation method.

[0046] Similarly, in order to facilitate the addition of materials, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system also includes a second lifting component 25 disposed in the second hopper 20 and a translation component 26 disposed at the bottom of the second hopper 20. The second lifting component 25 is used to control the height of the second hopper 20, and the translation component 26 is used to move the horizontal position of the second hopper 20, so that the second hopper 20 moves between the first hopper 10 and the production equipment.

[0047] By setting the second lifting component 25, it is convenient to receive materials and adjust the height during output. By setting the translation component 26, the distance between the material adding equipment and the production equipment does not need to be too close, reducing mutual influence, reducing the difficulty of equipment installation and control, and improving the efficiency of material adding.

[0048] This application does not limit the type of the second lifting component 25, which may be the same as or different from the first lifting component 15 in terms of type and size. The type of the translation component 26 is not limited, including but not limited to slide rails, conveyor belts, etc.

[0049] In addition, to facilitate the movement of the entire device and to allow it to flexibly feed other production equipment, a slide rail 30 can be installed at the bottom of the entire device, so that the device can move and feed within a specified range.

[0050] The first hopper 10 and the second hopper 20 in this application can be independent structures or interconnected structures, and can be set according to different needs, such as inheriting the second hopper 20 from the first hopper 10.

[0051] To further improve control accuracy, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system also includes a laser rangefinder installed in the second hopper 20, used to detect the distance between the second hopper 20 and the first discharge port and the feeding inlet of the production equipment during the movement of the second hopper 20 through the translation component 26 and the second lifting component 25.

[0052] By setting up a laser rangefinder, the height difference between the hopper and other components during the raising and lowering of the hopper can be measured, facilitating precise material delivery and height control of related lifting components, enabling data feedback, and improving control accuracy and reliability.

[0053] This application includes, but is not limited to, using a laser rangefinder for distance measurement; other distance measurement devices may also be used, and there is no limitation on the type of laser rangefinder.

[0054] To improve the control efficiency of related components, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system further includes a first control panel 14 disposed in the first hopper 10 and a second control panel 24 disposed in the second hopper 20. The first control panel 14 is connected to the first feeding switch 13, the first weighing component 11, the first feeder 12, and the first lifting component 15. The second control panel 24 is connected to the second feeding switch 23, the second weighing component 21, the second feeder 22, the translation component 26, and the second lifting component 25.

[0055] By setting a first control panel 14 in the first hopper 10 and a second control panel 24 in the second hopper 20, the control process of the corresponding hopper equipment components can be set on-site, improving the convenience of control.

[0056] This application does not limit the size, shape, installation location, or installation method of the first control panel 14 and the second control panel 24.

[0057] To further improve management efficiency, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system also includes a display module connected to the error detection module, the first weighing component 11, the second weighing component 21, and the last feeding module, for displaying data generated during the operation of the error detection module, the first weighing component 11, the second weighing component 21, and the last feeding module.

[0058] By setting up a display module to show the data generated during the operation of the error detection module, the first weighing component 11, the second weighing component 21, and the final feeding module, the operating data of the equipment can be obtained and displayed in real time, and its operating status can be obtained, thus improving management efficiency.

[0059] This application can also be remotely controlled via a communication module.

[0060] In this application, a feeder is used to input materials from one device to another. The first feeder 12 and the second feeder 22 are linear feeders, spiral feeders, or other types of feeders.

[0061] Since the second hopper 20 may move during the process, there may be backflow or airflow that blows the material out, causing the material addition to fail. In order to ensure the reliability of the material addition, in one embodiment, the automatic feeding device for polycrystalline alumina fiber spinning adhesive system also includes a sealing cover 27 set at the inlet of the second hopper 20, which is used to seal the second hopper 20 during the material storage process.

[0062] The sealing cover 27 seals the second hopper 20 during material storage, ensuring that the material does not detach from the second hopper 20 during transfer and that no impurities are added, thus improving the accuracy of material addition.

[0063] This application does not limit the type or use of the sealing cover 27. It can be made of materials such as stainless steel. During its use, it can be achieved by using an independent control unit to control the motor rotation, or by using other mechanical structures, such as vertical flipping or horizontal movement.

[0064] In one embodiment, an automatic feeding device for polycrystalline alumina fiber spinning adhesive system includes a movable slide rail, a controller 100, a first control panel 14, a second control panel 24, a first lifting component, a first hopper 10, a first weighing component 11, a first feeding switch 13, a first screw feeder, a second lifting component, a translation component 26, a second hopper 20, a hopper cover, a second weighing component 21, a second screw feeder, and a second feeding switch 23. The movable slide rail is located at the bottom of the translation component 26, and the hopper cover is located in the second hopper 20. The first control panel 14 controls the state of the first weighing component 11, the first feeding switch 13, the first screw feeder, and the first lifting component, while the second control panel 24 controls the state of the second lifting component, the translation component 26, the hopper cover, the second weighing component 21, the second screw feeder, and the second feeding switch 23.

[0065] When feeding, the worker adds the raw material into the first hopper 10. After the material is weighed once in the first hopper 10, it enters the second hopper 20 through the first feeder 12. It is weighed once in the second hopper 20. The device automatically records the error of the weight decrease in the first hopper 10 and the weight increase in the second hopper 20.

[0066] The second hopper 20 feeds the raw materials into the production equipment via the lifting and translating components 26, recording the difference between the reduced weight and the original weight. After feeding, it is removed from the production equipment, completing the feeding process. Multiple feeding operations are performed throughout the process. During the final feeding, the device unifies the overall production process error and adjusts the final feeding to complete the production feeding work. Using this device can reduce the overall production error to less than one-thousandth.

[0067] Specifically, at the start of feeding, workers add raw materials to the first hopper 10. The first hopper 10 is weighed and the data is recorded. After the first hopper 10 is raised to a certain height, the controller 100 issues a command to move the second hopper 20. The second hopper 20 opens its hopper cover (sealing cover 27) and moves to below the first discharge port via the second lifting component and the translation component 26. Then, the first discharge switch 13 and the first screw feeder start discharging. The first weighing component 11 records the decrease in weight, and the second weighing component 21 records the increase in weight. When the weight weighed by the second weighing component 21 reaches the set value, feedback is sent to the controller 100, which controls the first discharge switch 13 to close and the first screw feeder to stop working. The system automatically compares whether the increase in weight of the second hopper 20 and the decrease in weight of the first hopper 10 are consistent and sends feedback to the system. If the error is less than 0.1 kg, the next feeding operation is performed. If the error exceeds 0.1 kg, an alarm is triggered and feeding is stopped.

[0068] After the second hopper 20 is filled with raw materials, the hopper cover of the second hopper 20 is closed. The second feeding port is raised to 10-15cm inside the kettle of the spinning colloid preparation equipment by the second lifting component and the translation component 26. Then the second feeding switch 23 and the second screw feeder start feeding. When the difference between the reduced weight and the original weight is less than 0.1kg, the feeding is completed. When the error is greater than 0.1kg, an alarm is triggered and feeding stops.

[0069] After feeding is completed, the second screw feeder and the second feeding switch 23 are turned off, and the second hopper 20 is moved out by the second lifting component and the translation component 26 to complete the feeding.

[0070] The entire feeding process data is fully stored. During the final feeding, the system automatically calculates the error magnitude of the entire feeding process and adjusts the final feeding amount based on the error value to ensure that the overall error reaches a minimum. Production feeding process data can be directly exported from the system, facilitating process optimization and adjustment and reducing workload. The feeding equipment can move via slide rails to feed multiple production devices, improving work efficiency.

[0071] The aforementioned device enables the preparation of high-quality spinning colloids with stable component ratios. It allows for automated feeding, reducing errors caused by human intervention. The entire feeding process ensures stable equipment operation and short raw material exposure time, minimizing dust exposure and environmental pollution. Through dual weighing and error feedback control, the weight of added raw materials can be precisely controlled, minimizing the error range. Furthermore, if dust is generated during the feeding process, a fixed quantity of raw material can be directly added to the production equipment through a sealed pipeline.

[0072] In summary, the automatic feeding device for preparing polycrystalline alumina fiber spinning colloid provided in this embodiment of the invention adds material by storing material in a first hopper and feeding material in a second hopper. During this process, one material feeding cycle is divided into multiple single cycles. Before the last cycle, the weight changes before and after the material output from the first hopper and the weight changes before and after the material input and output from the second hopper are recorded each time. This allows the total material feeding error to be obtained before the last feeding. Combining the total amount of material to be added and the weight of the material already added, the final material input amount from the first hopper to the second hopper can be calculated. This enables the preparation of high-quality spinning colloids with stable composition ratios. Automated feeding is achieved through a feeding switch and feeder, reducing errors caused by human operation. The entire feeding process is stable, with short raw material exposure time, reducing dust exposure and environmental pollution. Multiple weighings and error feedback control allow for more precise control of the raw material addition weight, minimizing the error range.

[0073] The above provides a detailed description of the automatic feeding device for polycrystalline alumina fiber spinning adhesive system provided by the present invention. Specific examples have been used to illustrate the principles and implementation methods of the invention. The descriptions of the above embodiments are merely for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the present invention.

Claims

1. An automatic feeding device for the preparation of polycrystalline alumina fiber spinning binder, characterized in that, include: A first hopper, a first feeding switch, a first weighing component, and a first feeder are provided in the first hopper. The first feeder is used to output the material stored in the first hopper waiting to be added from the first discharge port. The first feeding switch is used to control the outlet state of the first discharge port. The first weighing component is used to weigh the first hopper before and after material output and output the first weighing information. The second hopper, the second discharge switch installed in the second hopper, the second weighing component, and the second feeder are used to receive the material output from the first hopper. The second discharge switch is used to open or close the second discharge port of the second hopper. The second weighing component is used to detect the second weighing information of the second hopper before, after, and after the material is input. The second feeder is used to output the material from the second hopper to the production equipment through the second discharge port. An error detection module, connected to the first weighing component and the second weighing component, is used to calculate the material weight error in a single feeding in a feeding cycle based on the first weighing information and the second weighing information. The material weight error includes a first weight error and a second weight error. The first weight error is the difference between the weight reduction of the first hopper and the weight increase of the second hopper, and the second weight error is the total difference before and after feeding from the second hopper. The final feeding module, connected to the error detection module, is used to obtain the total feeding amount of the production equipment in this cycle, the cumulative material weight error of the material before the last feeding as the cumulative material weight error, and the amount of material already fed to the production equipment by the second hopper in this cycle. The module continuously subtracts the total feeding amount from the cumulative material weight error and the amount of material already fed, and outputs the difference value as the final material input amount of the first hopper to the second hopper.

2. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 1, characterized in that, It also includes an alarm connected to the error detection module, which is used to output the first weight error, the second weight error, alarm information, and control the first feeder or the second feeder to stop feeding operation after detecting the first weight error or the second weight error is greater than or equal to the error threshold.

3. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 2, characterized in that, It also includes a data storage module connected to the error detection module and the last feeding module, for storing the first weighing information, the second weighing information, the weight reduction value, the weight increase value, and the total difference value.

4. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 3, characterized in that, It also includes a first lifting component disposed in the first hopper for controlling the height of the first hopper.

5. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 4, characterized in that, It also includes a second lifting component disposed in the second hopper and a translation component disposed at the bottom of the second hopper. The second lifting component is used to control the height of the second hopper, and the translation component is used to move the horizontal position of the second hopper so that the second hopper moves between the first hopper and the production equipment.

6. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 5, characterized in that, It also includes a laser rangefinder installed in the second hopper, used to detect the distance between the second hopper and the first discharge port and the feeding inlet of the production equipment during the movement of the second hopper through the translation component and the second lifting component.

7. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 6, characterized in that, It also includes a first control panel disposed in the first hopper and a second control panel disposed in the second hopper. The first control panel is connected to the first discharge switch, the first weighing component, the first feeder, and the first lifting component. The second control panel is connected to the second discharge switch, the second weighing component, the second feeder, the translation component, and the second lifting component.

8. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in any one of claims 1-7, characterized in that, It also includes a display module connected to the error detection module, the first weighing component, the second weighing component, and the last feeding module, for displaying data generated during the operation of the error detection module, the first weighing component, the second weighing component, and the last feeding module.

9. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 8, characterized in that, The first feeder and the second feeder are either linear feeders or spiral feeders.

10. The automatic feeding device for polycrystalline alumina fiber spinning adhesive system as described in claim 9, characterized in that, It also includes a sealing cap disposed at the inlet of the second hopper for sealing the second hopper during the storage of the material.

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