A storage and automatic feeding device

Abstract

The application provides a kind of storage and automatic feeding device, including machine case, the inside of machine case is provided with partition, partition divides into storage cavity and discharge cavity with inner cavity;Storage cavity is provided with supporting plate and first lifting mechanism, supporting plate and the inner wall of machine case form first cavity;Discharge cavity is provided with top plate and jacking mechanism, top plate and the inner wall of machine case form second cavity, machine case is provided with monitoring sensor on the side wall of first cavity and second cavity, to monitor the thickness of the material of first cavity and second cavity;Partition is provided with first discharge port on, first discharge port is connected with first cavity and second cavity, the surface of machine case is provided with second discharge port, second discharge port is connected with second cavity and outside.The storage and automatic feeding device provided by the application has simple internal structure, low manufacturing cost, and can be applied to a variety of size specifications, material, hardness and shape of product for feeding, wide application range, high versatility.

Description

Technical Field

[0001] This invention belongs to the technical field of automation devices, and more specifically, relates to a material storage and automatic feeding device. Background Technology

[0002] With the rapid development of my country's economy and the continuous improvement of people's living standards and productivity, traditional production methods can no longer meet the needs of social development. Enterprises have begun to transform and upgrade, especially manufacturing and processing enterprises, which urgently need to transform and upgrade traditional manual production methods to automated production methods to further improve their competitiveness.

[0003] Currently, manufacturing enterprises use storage and automatic feeding machines, which can be classified according to their working principles into bottom-up lifting type, top-down vibrating type, spiral type, and forward and backward pushing stepping type, to meet the production needs of various materials in the storage and feeding process. Traditional storage and automatic feeding machines have complex internal structures and large external volumes. Most of these machines are manufactured for a single product type, resulting in low equipment versatility, occupying a large operating space, and having high manufacturing costs, leading to higher production costs for manufacturing enterprises in terms of automated production and material supply. If the storage and automatic feeding machine has mechanical structures such as vibrating electromagnets or transmission chains installed inside, it will generate significant operating noise during operation. At the same time, during material separation, friction between materials or friction between materials and the inner wall of the equipment can cause material damage, increasing production costs. Summary of the Invention

[0004] The purpose of this invention is to provide a storage and automatic feeding device to solve the technical problems of existing storage and automatic feeding devices having complex internal structures, generally only able to feed products of a single size specification, low versatility, and high manufacturing costs.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A material storage and automatic feeding device is provided, comprising a chassis with an inner cavity, wherein a partition is provided inside the chassis, dividing the inner cavity into a storage cavity and a discharge cavity; the storage cavity is provided with a support plate slidably connected to the inner wall of the chassis and a first lifting mechanism for driving the support plate to move up and down, the support plate and the inner wall of the chassis forming a first cavity; the discharge cavity is provided with a top plate and a lifting mechanism for driving the top plate to move up and down, the top plate and the inner wall of the chassis forming a second cavity; at least one monitoring sensor for monitoring the material thickness in the first cavity and the second cavity is provided on the side walls of both the chassis and the first cavity; a first discharge port communicating between the first cavity and the second cavity is provided on the partition, and a second discharge port communicating between the second cavity and the outside is provided on the surface of the chassis.

[0006] Furthermore, the inner wall of the chassis is provided with at least one sliding assembly for connecting the tray, and the at least one sliding assembly includes a guide rail disposed on the inner wall of the chassis and a slider slidably connected to the guide rail and fixedly connected to the tray.

[0007] Furthermore, the first lifting mechanism includes a first airbag, a first inflation part connected to the first airbag, and a first inflation valve for adjusting the air intake of the first airbag, wherein the first inflation valve and the monitoring sensor are electrically connected.

[0008] Furthermore, the tray includes a main board, at least one rotating plate rotatably connected to the main board, and at least one rotating part for connecting the main board and at least one of the rotating plates.

[0009] Furthermore, the bottom of the main board is provided with the first lifting mechanism, and the inside of the storage cavity is provided with a second lifting mechanism that abuts against the bottom surface of the rotating plate, for driving the rotating plate to rotate relative to the main board with the rotating part as the center.

[0010] Furthermore, the material storage and automatic feeding device also includes an electrical control box located inside the chassis, and the monitoring sensor, the first lifting mechanism, the jacking mechanism and the second lifting mechanism are all electrically connected to the electrical control box.

[0011] Furthermore, the second lifting mechanism includes a second airbag, a second inflation part connected to the second airbag, and a second inflation valve for adjusting the air intake of the second airbag, wherein the second inflation valve and the monitoring sensor are electrically connected.

[0012] Furthermore, the lifting mechanism includes a lifting cylinder electrically connected to the monitoring sensor and a lifting block connected to the lifting cylinder, the lifting block being fixedly connected to the bottom of the top plate.

[0013] Furthermore, the top surfaces of both the pallet and the top plate are covered with a protective layer.

[0014] Furthermore, the inner wall of the chassis is provided with a sound-absorbing layer.

[0015] The beneficial effects of the material storage and automatic feeding device provided by the present invention are as follows: Compared with the prior art, the material storage and automatic feeding device of the present invention has a partition inside the machine housing with an inner cavity, which divides the inner cavity into a storage cavity for storing materials and a discharge cavity for temporarily storing materials for a single discharge; the storage cavity is provided with a support plate slidably connected to the inner wall of the machine housing and a first lifting mechanism for driving the lifting movement of the support plate, and the support plate and the inner wall of the machine housing enclose the first cavity for storing materials; the discharge cavity is provided with a top plate and a lifting mechanism for driving the lifting movement of the top plate. The structure, consisting of a top plate and the inner wall of the casing, forms a second cavity for temporarily storing a single discharge quantity of material. At least one monitoring sensor is installed on the side walls of both the first and second cavities to monitor the material thickness within them. A first discharge port connecting the first and second cavities is provided on a partition, and a second discharge port connecting the second cavity to the outside is provided on the surface of the casing. When the monitoring sensor in the second cavity detects that the material thickness within the second cavity has not reached a preset value, a first lifting mechanism drives the pallet relative to the storage cavity. The system rises and conveys the required amount of material stored in the storage chamber to the discharge chamber through the first discharge port. When the monitoring sensor in the second chamber detects that the material thickness in the second chamber has reached a preset value, the first lifting mechanism stops working and maintains its current position. At the same time, the lifting mechanism drives the top plate to rise relative to the discharge chamber and conveys the material of the single discharge quantity in the second chamber to a preset position outside the machine through the second discharge port, completing the automatic feeding. When the monitoring sensor in the first chamber detects that the material thickness in the first chamber has not reached the preset value, the first lifting mechanism drives the pallet to continue rising relative to the storage chamber until the monitoring sensor in the first chamber detects that the material thickness in the first chamber has reached the preset value. If the first lifting mechanism reaches the maximum rising value and the monitoring sensor in the first chamber still detects that the material thickness in the first chamber has not reached the preset value, the user will be prompted to replenish the material in the first chamber in time. The storage and automatic feeding device has a simple internal structure, low manufacturing cost, and can be applied to feeding products of various sizes, materials, hardness, and shapes. It has a wide range of applications and high versatility. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the material storage and automatic feeding device provided in an embodiment of the present invention;

[0018] Figure 2 A partial three-dimensional structural diagram of the material storage and automatic feeding device provided in an embodiment of the present invention. Figure 1 ;

[0019] Figure 3 A partial three-dimensional structural diagram of the material storage and automatic feeding device provided in an embodiment of the present invention. Figure 2 ;

[0020] Figure 4 A three-dimensional structural diagram of the storage chamber of the storage and automatic feeding device provided in an embodiment of the present invention.

[0021] The following are the labeling elements in the figure:

[0022] 1: Chassis 11: Partition

[0023] 12: First discharge port 13: Second discharge port

[0024] 2: Storage chamber 21: Pallet

[0025] 211: Mainboard; 212: Rotating board

[0026] 213: Rotating part; 22: First lifting mechanism

[0027] 221: First airbag; 23: Second lifting mechanism

[0028] 231: Second airbag; 24: First cavity

[0029] 25: Sliding component 251: Guide rail

[0030] 252: Slider 3: Discharge Chamber

[0031] 31: Top plate 32: Lifting mechanism

[0032] 321: Lifting cylinder; 322: Lifting block

[0033] 33: Second cavity 4: Monitoring sensor

[0034] 5: Protective layer Detailed Implementation

[0035] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0036] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0037] 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 accompanying drawings. They are only for the convenience of describing the present invention 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 the present invention.

[0038] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] Please refer to the following: Figures 1 to 3 This embodiment provides a material storage and automatic feeding device, including a housing 1 with an inner cavity. The housing 1 has a partition 11 inside, which divides the inner cavity into a storage cavity 2 and a discharge cavity 3. The storage cavity 2 is provided with a support plate 21 slidably connected to the inner wall of the housing 1 and a first lifting mechanism 22 for driving the support plate 21 to move up and down. The support plate 21 and the inner wall of the housing 1 enclose a first cavity 24. The discharge cavity 3 is provided with a top plate 31 and a lifting mechanism 32 for driving the top plate 31 to move up and down. The top plate 31 and the inner wall of the housing 1 enclose a second cavity 33. The housing 1 is provided with at least one monitoring sensor 4 on the side walls of the first cavity 24 and the second cavity 33 for monitoring the material thickness of the first cavity 24 and the second cavity 33. The partition 11 has a first discharge port 12 connecting the first cavity 24 and the second cavity 33, and the surface of the housing 1 has a second discharge port 13 connecting the second cavity 33 and the outside.

[0040] The aforementioned material storage and automatic feeding device comprises a partition 11 inside a housing 1 with an inner cavity, dividing the inner cavity into a storage chamber 2 for storing materials and a discharge chamber 3 for temporarily storing materials in a single discharge. The storage chamber 2 is provided with a support plate 21 slidably connected to the inner wall of the housing 1 and a first lifting mechanism 22 for driving the support plate 21 to move up and down. The support plate 21 and the inner wall of the housing 1 enclose a first cavity 24 for storing materials. The discharge chamber 3 is provided with a top plate 31 and a lifting mechanism 32 for driving the top plate 31 to move up and down. The top plate 31 and the inner wall of the housing 1 enclose a discharge chamber 3 for temporarily storing materials in a single discharge. The second cavity 33 for discharging material is provided with at least one monitoring sensor 4 on the side walls of both the first cavity 24 and the second cavity 33 to monitor the material thickness in both cavities. A first discharge port 12 connecting the first cavity 24 and the second cavity 33 is provided on the partition 11, and a second discharge port 13 connecting the second cavity 33 to the outside is provided on the surface of the cavities. When the monitoring sensor 4 in the second cavity 33 detects that the material thickness on the top plate 31 in the second cavity 33 has not reached a preset value, the first lifting mechanism 22 drives the pallet 21 to rise relative to the storage cavity 2 and... The material stored in the storage chamber 2 is conveyed to the discharge chamber 3 in the required amount through the first discharge port 12. When the monitoring sensor 4 in the second chamber 33 detects that the material thickness on the top plate 31 in the second chamber 33 has reached a preset value, the first lifting mechanism 22 stops working and maintains its current position. At the same time, the lifting mechanism 32 drives the top plate 31 to rise relative to the discharge chamber 3 and conveys the material of the single discharge amount in the second chamber 33 to a preset position outside the machine box 1 through the second discharge port 13, completing the automatic feeding. When the monitoring sensor 4 in the first chamber 24 detects that the material thickness in the first chamber 24 has not reached the preset value, the material is conveyed to the discharge chamber 3. When the material is in the storage chamber 2, the first lifting mechanism 22 drives the pallet 21 to continue rising relative to the storage chamber 2 until the monitoring sensor 4 in the first chamber 24 detects that the material thickness in the first chamber 24 has reached the preset value. If the first lifting mechanism 22 reaches the maximum rising value and the monitoring sensor 4 in the first chamber 24 detects that the material thickness in the first chamber 24 has not yet reached the preset value, the user will be prompted to replenish the material in the first chamber 24 in time. The internal structure of the storage and automatic feeding device is simple and the manufacturing cost is low. At the same time, it can be applied to feeding products of various sizes, materials, hardness and shapes. It has a wide range of applications and high versatility.

[0041] Please refer to the following: Figures 1 to 3As a specific embodiment of the material storage and automatic feeding device provided in this example, the material storage and automatic feeding device includes a housing 1 with an inner cavity. The specific structure, size and material of the housing 1 are not limited here. A partition 11 is provided inside the housing 1, which divides the inner cavity into a material storage cavity 2 for storing materials and a material discharge cavity 3 for temporarily storing a single discharge amount. At least one monitoring sensor 4 for monitoring the material storage amount is also provided inside the housing 1. The type, number and location of the monitoring sensor 4 are not limited here.

[0042] Please see Figures 2 to 3In this embodiment, the storage chamber 2 is provided with a tray 21 that is slidably connected to the inner wall of the housing 1 and a first lifting mechanism 22 for driving the tray 21 to move up and down. The tray 21 and the inner wall of the housing 1 enclose a first cavity 24 for storing materials. The specific structure of the tray 21 and the first lifting mechanism 22 is not limited here. The first lifting mechanism 22 drives the tray 21 to move up and down, controlling the size of the first cavity 24 and the conveying of materials in the first cavity 24. When the first lifting mechanism 22 drives the tray 21 to the lowest position, the size of the first cavity 24 reaches its maximum, and the amount of material that can be stored reaches its maximum. As the first lifting mechanism 22 drives the tray 21 to gradually rise, the material in the first cavity 24 can be output to the second cavity 33. When the first lifting mechanism 22 drives the tray 21 to the highest position, the first cavity 24 reaches its minimum size, that is, all the material in the first cavity 24 is conveyed out of the second cavity 33.The discharge chamber 3 is equipped with a top plate 31 and a lifting mechanism 32 for driving the top plate 31 to move up and down. The top plate 31 and the inner wall of the casing 1 enclose a second chamber 33 for temporarily storing the material discharged in a single batch. The casing 1 is equipped with at least one monitoring sensor 4 on the side walls of both the first chamber 24 and the second chamber 33 to monitor the material thickness in the first chamber 24 and the second chamber 33. The specific structure of the top plate 31 and the lifting mechanism 32 is not limited here. The lifting mechanism 32 drives the top plate 31 to move up and down, controlling the second chamber 33 to move up and down. The size of the cavity 33 and the material conveying within the second cavity 33 can be adjusted according to the required single discharge volume of material by setting the lifting mechanism 32 and the monitoring sensor 4. A first discharge port 12 connecting the first cavity 24 and the second cavity 33 is provided on the partition plate 11, and a second discharge port 13 connecting the second cavity 33 and the outside is provided on the surface of the chassis 1. When the monitoring sensor 4 in the second cavity 33 detects that the material thickness on the top plate 31 in the second cavity 33 has not reached the preset value, the first lifting mechanism 22 drives the pallet 2. The lifting mechanism 22 rises relative to the storage chamber 2 and conveys the required amount of material stored in the storage chamber 2 to the discharge chamber 3 through the first discharge port 12. When the monitoring sensor 4 in the second chamber 33 detects that the material thickness on the top plate 31 in the second chamber 33 has reached a preset value, the first lifting mechanism 22 stops working and maintains its current position. At the same time, the lifting mechanism 32 drives the top plate 31 to rise relative to the discharge chamber 3 and conveys the required amount of material in the second chamber 33 to a preset position outside the machine box 1 through the second discharge port 13, completing the automatic process. Material loading; when the monitoring sensor 4 in the first cavity 24 detects that the material thickness in the first cavity 24 has not reached the preset value, the first lifting mechanism 22 drives the pallet 21 to continue rising relative to the storage cavity 2 until the monitoring sensor 4 in the first cavity 24 detects that the material thickness in the first cavity 24 has reached the preset value; if the first lifting mechanism 22 reaches the maximum rising value and the monitoring sensor 4 in the first cavity 24 detects that the material thickness in the first cavity 24 has still not reached the preset value, the user will be prompted to replenish the material into the first cavity 24 in time. Furthermore, the top surfaces of the pallet 21 and the top plate 31 are both covered with a protective layer 5 to prevent the material from colliding or scratching with the storage and automatic feeding device during storage and transportation, thereby preventing damage to the material and effectively reducing the defect rate of the material during storage and transportation. The specific material of the protective layer 5 is not limited here. Preferably, the protective layer 5 is a soft rubber pad layer.

[0043] Please see Figures 2 to 4In this embodiment, the inner wall of the chassis 1 is provided with at least one sliding component 25 for connecting the tray 21. The number and specific structure of the sliding components 25 are not limited here. The at least one sliding component 25 includes a guide rail 251 disposed on the inner wall of the chassis 1 and a slider 252 slidably connected to the guide rail 251 and fixedly connected to the tray 21. The tray 21 is driven to move up and down by the first lifting mechanism 22, which drives the slider 252 to slide on the guide rail 251. On the one hand, it can limit the direction of the lifting and lowering movement of the tray 21, and on the other hand, it can reduce the friction force on the tray 21 during the movement and reduce the loss of kinetic energy. The tray 21 includes a main plate 211, at least one rotating plate 212 rotatably connected to the main plate 211, and at least one rotating part 213 for connecting the main plate 211 and the at least one rotating plate 212. The number of rotating plates 212 and the specific structure of the rotating part 213 are not limited here. Preferably, the rotating part 213 is a hinge for rotatably connecting the main plate 211 and the at least one rotating plate 212. The main plate 211 of the tray 21 abuts against the partition 11, and the rotating plate 212 of the tray 21 abuts against the inner wall of the storage cavity 2. This facilitates the movement of the first cavity 24 during material conveying. The material inside is gathered to the first discharge port 12; preferably, the bottom of the main board 211 is provided with a first lifting mechanism 22, and the inside of the storage cavity 2 is provided with a second lifting mechanism 23 that abuts against the bottom surface of the rotating plate 212, which is used to drive the rotating plate 212 to rotate relative to the main board 211 with the rotating part 213 as the center. The second lifting mechanism 23 rises and drives the rotating plate 212 to rotate relative to the main board 211 with the rotating part 213 as the center, so that the material on the rotating plate 212 moves to the main board 211, which is beneficial to transport the material in the first cavity 24 to the first discharge port 12.

[0044] Furthermore, the storage and automatic feeding device also includes an electrical control box located inside the chassis 1. The monitoring sensor 4, the first lifting mechanism 22, the jacking mechanism 32, and the second lifting mechanism 23 are all electrically connected to the electrical control box. The electrical control box provides power and transmits signal commands to the storage and automatic feeding device, ensuring the normal operation of the storage and automatic feeding device. Preferably, the first lifting mechanism 22 includes a first airbag 221, a first inflation part connected to the first airbag 221, and a first inflation valve for adjusting the air intake of the first airbag 221. The first inflation valve is electrically connected to the monitoring sensor 4. The second lifting mechanism 23 includes a second airbag 231, a second inflation part connected to the second airbag 231, and a second inflation valve for adjusting the air intake of the second airbag 231. The second inflation valve is electrically connected to the monitoring sensor 4. The specific structure of the first and second inflation valves is not limited here; both the first and second inflation valves are solenoid valves. When the monitoring sensor 4 detects that the material thickness on the top plate 31 in the second cavity 33 has not reached the preset value, the monitoring sensor 4 transmits a signal command to the electrical control box. The electrical control box sends a signal command to the first and second inflation valves. The first inflation valve opens the first inflation part to inflate the first airbag 221, and the second inflation valve opens... The second inflation section inflates the second airbag 231. The first inflation valve precisely controls the air intake of the first airbag 221, and the second inflation valve precisely controls the air intake of the second airbag 231, thereby controlling the lifting height of the first lifting mechanism 22 to lift the main board 211 and the lifting height of the second lifting mechanism 23 to lift the rotating plate 212. This allows the material required for a single batch in the first cavity 24 to be transported to the second cavity 33 through the first discharge port 12. When the monitoring sensor 4 detects that the material thickness on the top plate 31 in the second cavity 33 has reached a preset value, the monitoring sensor 4 transmits a signal command to the electrical control box. The electrical control box sends a signal command to the first inflation valve and the second inflation valve to close them, stopping the inflation of the first airbag 221 and the second airbag 231, stopping the operation of the first lifting mechanism 22 and maintaining its current position, thus completing the transportation of the required material from the first cavity 24 to the second cavity 33.

[0045] Please refer to further information. Figure 3In this embodiment, the lifting mechanism 32 of the discharge chamber 3 includes a lifting cylinder 321 electrically connected to the monitoring sensor 4 and a lifting block 322 connected to the lifting cylinder 321. The lifting block 322 is fixedly connected to the bottom of the top plate 31. When the monitoring sensor 4 detects that the material thickness on the top plate 31 in the second chamber 33 reaches a preset value, the monitoring sensor 4 transmits a signal command to the electrical control box. At the same time, the electrical control box sends a signal command to the first inflation valve and the second inflation valve to close them. The command is sent to the lifting cylinder 321 of the lifting mechanism 32, causing the lifting cylinder 321 to transfer kinetic energy to the lifting block 322 fixedly connected to the top plate 31. This drives the top plate 31 to rise relative to the discharge chamber 3 and transports the material of a single discharge quantity in the second chamber 33 through the second discharge port 13 to a preset position outside the machine box 1, thus completing the automatic feeding. The internal structure of the storage and automatic feeding device is simple, the manufacturing cost is low, and it can be applied to feeding products of various sizes and specifications. It has a wide range of applications and high versatility.

[0046] Furthermore, the inner wall of the chassis 1 is provided with a sound-absorbing layer to reduce the noise generated by the storage and automatic feeding devices during operation, effectively improving the user experience. The specific structure of the sound-absorbing layer is not limited here. Preferably, the sound-absorbing layer is sound-absorbing cotton glued to the inner wall of the chassis 1, which is easy to process and has a long service life.

[0047] The above description is only a preferred embodiment of this embodiment and is not intended to limit this embodiment. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this embodiment should be included within the protection scope of this embodiment.

Claims

1. A material storage and automatic feeding device, characterized in that: The device includes a housing with an inner cavity, wherein a partition is provided inside the housing to divide the inner cavity into a storage cavity and a discharge cavity; the storage cavity is provided with a support plate that is slidably connected to the inner wall of the housing and a first lifting mechanism for driving the support plate to move up and down; the support plate and the inner wall of the housing enclose a first cavity. The discharge chamber is provided with a top plate and a lifting mechanism for driving the top plate to move up and down. The top plate and the inner wall of the casing enclose a second cavity. The casing is provided with at least one monitoring sensor on the side walls of both the first cavity and the second cavity to monitor the material thickness in the first cavity and the second cavity. A first discharge port communicating between the first cavity and the second cavity is provided on the partition plate. A second discharge port communicating between the second cavity and the outside is provided on the surface of the casing. The lifting mechanism drives the top plate to move up and down, controls the size of the second cavity and the conveying of materials in the second cavity, and adjusts the setting position of the lifting mechanism and the monitoring sensor according to the required single discharge amount of materials. When the monitoring sensor in the second cavity detects that the material thickness on the top plate of the second cavity has not reached a preset value, the first lifting mechanism drives the pallet to rise relative to the storage cavity and delivers the required amount of material stored in the storage cavity to the discharge cavity through the first discharge port. When the monitoring sensor in the second cavity detects that the material thickness on the top plate of the second cavity has reached the preset value, the first lifting mechanism stops working and maintains its current position. At the same time, the lifting mechanism drives the top plate to rise relative to the discharge cavity and delivers the required amount of material in the second cavity to a preset position outside the chassis through the second discharge port, completing automatic feeding. When the monitoring sensor in the first cavity detects that the material thickness in the first cavity has not reached the preset value, the first lifting mechanism drives the pallet to continue rising relative to the storage cavity until the monitoring sensor in the first cavity detects that the material thickness in the first cavity has reached the preset value. If the first lifting mechanism reaches its maximum rising value and the monitoring sensor in the first cavity still detects that the material thickness in the first cavity has not reached the preset value, the user is prompted to replenish the material in the first cavity in a timely manner. The tray includes a main board, at least one rotating plate rotatably connected to the main board, and at least one rotating part for connecting the main board and at least one of the rotating plates; The bottom of the main board is provided with the first lifting mechanism, and the inside of the storage cavity is provided with a second lifting mechanism that abuts against the bottom surface of the rotating plate, for driving the rotating plate to rotate relative to the main board with the rotating part as the center.

2. The material storage and automatic feeding device as described in claim 1, characterized in that: The inner wall of the chassis is provided with at least one sliding assembly for connecting the tray. The at least one sliding assembly includes a guide rail disposed on the inner wall of the chassis and a slider slidably connected to the guide rail and fixedly connected to the tray.

3. The material storage and automatic feeding device as described in claim 1, characterized in that: The first lifting mechanism includes a first airbag, a first inflation part connected to the first airbag, and a first inflation valve for adjusting the air intake of the first airbag. The first inflation valve is electrically connected to the monitoring sensor.

4. The material storage and automatic feeding device as described in claim 1, characterized in that: The material storage and automatic feeding device also includes an electrical control box located inside the machine housing. The monitoring sensor, the first lifting mechanism, the jacking mechanism, and the second lifting mechanism are all electrically connected to the electrical control box.

5. The material storage and automatic feeding device as described in claim 4, characterized in that: The second lifting mechanism includes a second airbag, a second inflation part connected to the second airbag, and a second inflation valve for adjusting the air intake of the second airbag. The second inflation valve is electrically connected to the monitoring sensor.

6. The material storage and automatic feeding device as described in claim 1, characterized in that: The lifting mechanism includes a lifting cylinder electrically connected to the monitoring sensor and a lifting block connected to the lifting cylinder, the lifting block being fixedly connected to the bottom of the top plate.

7. The material storage and automatic feeding device as described in claim 1, characterized in that: The top surfaces of both the pallet and the top plate are covered with a protective layer.

8. The material storage and automatic feeding device as described in claim 1, characterized in that: The inner wall of the chassis is provided with a sound-absorbing layer.

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