A quantitative nut packaging equipment and packaging method

Abstract

This application provides a quantitative nut packaging device. The dispensing section includes a cylinder and a rotating sorting plate disposed inside the cylinder. The rotating sorting plate is rotatably connected to the inside of the cylinder. A first sorting hole is opened on the surface of the rotating sorting plate. The dispensing section includes a diversion bucket and a rotating diversion plate. The diversion bucket includes a first channel and a second channel. The rotating diversion plate is rotatably disposed inside the diversion bucket to open and close the first channel and the second channel. The storage section includes a first storage bin and a second storage bin. The first storage bin and the second storage bin are respectively connected to the first channel and the second channel. A packaging section is provided at the bottom of the storage section. The first sorting hole separates nuts of different sizes, realizing the initial screening of nuts. The rotating diversion plate realizes the simultaneous packaging of nuts of different sizes, improving packaging efficiency while further ensuring the reliability of diversion, and making it easier to divert and package nuts of different sizes.

Description

Technical Field

[0001] This application relates to the field of nut packaging equipment technology, specifically to a quantitative nut packaging equipment and packaging method. Background Technology

[0002] Nuts are a type of snack rich in protein, oil, minerals and vitamins. Common nuts on the market are packaged in bags and cans. Packaged nuts are easy to carry. In the production process of packaged nuts, the nuts are usually packed into opaque bags and sealed.

[0003] Packaged nuts sold in the market are often pre-packaged in fixed quantities to facilitate customer selection and final payment. During packaging, a funnel structure with an adjustable opening size is often used to connect the packaging bags, making it easy to put nuts into bags of different sizes to achieve pre-packaged quantities of different sizes. In addition, existing technologies also include sampling visual recognition devices to visually analyze the number of nuts added to the packaging bags to ensure that the number of nuts in each bag is the same.

[0004] However, directly using a funnel structure with an adjustable opening makes it difficult to accurately control the quantity and size of nuts put into the packaging bag. This may result in nuts of different sizes being put into the same packaging bag, which can easily increase processing costs. Furthermore, due to the improvement of living standards, consumers prefer exquisite packaging and high quality, and often expect nuts in packaged products to be of similar size. In addition, since current packaging equipment often does not perform further processing on nuts that do not meet the packaging requirements, it can easily lead to waste of resources and further increase costs.

[0005] Therefore, existing technologies need further improvement and enhancement. Summary of the Invention

[0006] This application provides a quantitative nut packaging device and packaging method to solve the problems in the prior art where nut packaging is difficult due to uneven size classification, making it difficult to complete quantitative packaging, and making it difficult to better handle nuts that do not meet expectations.

[0007] The technical solution adopted in this application is as follows:

[0008] This application provides a quantitative nut packaging device. The dispensing section includes a cylinder and a flipping material selection plate disposed inside the cylinder. The flipping material selection plate is rotatably connected to the inside of the cylinder. A first material selection hole is opened on the surface of the flipping material selection plate. The dispensing section includes a diversion bucket and a flipping diversion plate. The diversion bucket includes a first channel and a second channel. The flipping diversion plate is rotatably disposed inside the diversion bucket to connect and disconnect the first channel and the second channel. The storage section includes a first storage box and a second storage box. The first storage box and the second storage box are respectively connected to the first channel and the second channel. A packaging section is provided at the bottom of the storage section.

[0009] In a preferred embodiment of this application, a second screening plate is provided inside the second storage box, the second screening plate divides the second storage box into an upper part and a lower part, and a second material selection hole is opened on the surface of the second screening plate, the diameter of the second material selection hole being larger than that of the first material selection hole.

[0010] In a preferred embodiment of this application, guide rods are provided on both sides of the screening plate, the second screening plate has a double-layer structure, and a movable partition is provided inside the second screening plate. The guide rods are connected to the movable partition to drive the movable partition to open and close the second material selection hole.

[0011] In a preferred embodiment of this application, the surface of the second material selection hole is provided with a guide bevel inclined towards the center, a second push block is provided on one side of the upper part, and a second discharge port is provided on the other side of the upper part.

[0012] As a preferred embodiment of this application, the nut packaging equipment also includes an outer storage box, which is connected to the first discharge port.

[0013] In a preferred embodiment of this application, the packaging section includes, from top to bottom, a metering funnel connected to the storage section, a bagging assembly, and a weight sensing plate.

[0014] In a preferred embodiment of this application, two quantitative funnels are provided, located at the bottom of the first storage box and the second storage box respectively. The feeding port of the quantitative funnel at the bottom of the second storage box has the same diameter as the second selection port.

[0015] In a preferred embodiment of this application, the feeding port is located at the bottom of the metering funnel, the outside of the metering funnel is provided with an adjustable vibration element, and the inner wall of the feeding port is provided with multiple paddles, which are hinged to the inner wall of the feeding port.

[0016] In a preferred embodiment of this application, a first screening plate is provided inside the first storage bin, a first pusher is provided on one side of the first storage bin, and a first discharge port is provided on the other side of the first storage bin.

[0017] This application also provides a packaging method for a quantitative nut packaging device, applicable to a quantitative nut packaging device, the method comprising:

[0018] S1: Nuts are fed into the cylinder of the feeding section, and nuts of different sizes are sieved by the first feeding port on the surface of the flipping feeding plate;

[0019] S2: Nuts passing through the first selection port first fall into the flipping diversion plate, and are then fed into the first channel by the rotation of the flipping diversion plate;

[0020] S3: Nuts remaining on the surface of the flipping sorting plate are flipped by the flipping sorting plate and then fed into the second channel by the flipping diversion plate;

[0021] S4: Nuts entering the first and second channels are further screened by the first and second screening plates, respectively, and flow into the first and second storage bins; nuts that do not conform to the first and second screening plates enter the first and second discharge ports.

[0022] S5: Nuts from the storage section enter the bagging assembly through a quantitative funnel, and the filling amount is determined by a weight sensor plate.

[0023] Due to the adoption of the above technical solution, the technical effects achieved by this application are as follows:

[0024] 1. This application provides a quantitative nut packaging device. Nuts of different sizes are separated by a first selection hole on the surface of a rotating selection plate. Larger nuts remain on the rotating selection plate surface, while smaller nuts fall through the first selection hole into a rotating diversion plate, achieving preliminary sieving of the nuts. Furthermore, the rotating structure of the rotating selection plate allows larger nuts to be transported downwards by its tilt. This enables the device to feed nuts of different sizes into different diversion channels through a single distribution section, saving floor space and improving the device's lightweight design. In addition, this application uses a rotating diversion plate to switch between the first and second channels, enabling simultaneous packaging of nuts of different sizes. This improves packaging efficiency, further ensures the reliability of diversion, and facilitates the separate packaging of nuts of different sizes.

[0025] 2. As a preferred embodiment of this application, this application provides a second screening plate inside the second storage bin to further screen the nuts entering the second storage bin, so that nuts of suitable size are stored in the lower layer, while nuts that do not meet the size requirements remain in the upper layer, thereby achieving effective screening of nuts; and by setting the second screening plate to a double-layer structure, the movable partition can close or open the second material selection hole under the action of the guide rod, thereby achieving layered storage of nuts.

[0026] 3. In a preferred embodiment of this application, the surface of the second selection hole is provided with a guide bevel. This facilitates the falling of nuts that conform to the second selection hole into the lower layer, making screening easier. Furthermore, when the movable partition closes the second selection hole, the nuts in the upper layer are held in place by the guide bevel, preventing them from hitting each other when the partition is closed. Additionally, a second pusher is provided on one side of the upper layer to push nuts that do not conform to the second screening plate into the opposite second discharge port. The guide bevel provides guidance, reducing the likelihood of nuts getting stuck in the second selection port. The external storage box, connected to the first discharge port, stores the nuts ejected by the second pusher. While these nuts do not meet current packaging requirements, they can be sold as bulk nuts in stores or stored and transported for processing into other nut products, improving nut utilization and reducing costs.

[0027] 4. As a preferred embodiment of this application, the packaging section includes a quantitative funnel, a bagging assembly, and a weight sensing plate. This allows for the precise placement of appropriately sized nuts into the packaging bag of the bagging assembly via the quantitative funnel and bagging assembly, achieving quantitative packaging. Furthermore, the weight sensing plate at the bottom can determine the packaging weight of the nuts in real time, ensuring that each bag of nuts is of similar weight and further guaranteeing the accuracy of quantitative packaging. Additionally, the application incorporates an adjustable vibration element on the outside of the quantitative funnel. This intermittent vibration reduces the likelihood of multiple nuts getting stuck in the channel as they are fed into the bagging assembly, further improving packaging efficiency. Moreover, multiple paddles installed on the inner wall of the feeding port can also flip and move nuts when they become stuck, making nut transport smoother. Attached Figure Description

[0028] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this invention, illustrate exemplary embodiments of the invention and, together with their description, serve to explain this application and do not constitute an undue limitation of the invention. In the drawings:

[0029] Figure 1 This application provides a schematic diagram of the overall structure of a quantitative nut packaging device;

[0030] Figure 2 This application provides a schematic diagram of the side structure of a quantitative nut packaging device;

[0031] Figure 3 A schematic diagram of the structure of the second screening plate of a quantitative nut packaging device provided in this application;

[0032] Figure 4 This is a structural schematic diagram of a movable partition in a quantitative nut packaging device provided in this application.

[0033] Figure label:

[0034] 10 Material storage section; 11 First material storage bin; 111 First screening plate; 112 First push block; 113 First discharge port; 12 Second material storage bin; 121 Second screening plate; 122 Upper layer; 123 Lower layer; 124 Second material selection hole; 13 Guide rod; 14 Movable partition; 15 Guide bevel; 16 Second push block; 17 Second discharge port; 18 Outer storage bin;

[0035] 20. Material distribution section; 21. Cylinder body; 22. Tilting material selection plate; 23. First material selection hole; 24. Diversion barrel; 25. Tilting diversion plate; 26. First channel; 27. Second channel;

[0036] 30 Packaging Department; 31 Quantitative Funnel; 32 Bagging Assembly; 33 Weight Sensing Plate; 34 Adjustable Vibration Component; 35 Paddle. Detailed Implementation

[0037] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0038] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0039] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application.

[0040] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0041] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0042] like Figures 1 to 4 As shown, this application provides a quantitative nut packaging device. The dispensing section 20 includes a cylinder 21 and a flipping material selection plate 22 disposed inside the cylinder 21. The flipping material selection plate 22 is rotatably connected to the inside of the cylinder 21. A first material selection hole 23 is opened on the surface of the flipping material selection plate 22. The dispensing section 20 includes a diversion bucket 24 and a flipping diversion plate 25. The diversion bucket 24 includes a first channel 26 and a second channel 27. The flipping diversion plate 25 is rotatably disposed inside the diversion bucket 24 to connect and disconnect the first channel 26 and the second channel 27. The storage section 10 includes a first storage box 11 and a second storage box 12. The first storage box 11 and the second storage box 12 are respectively connected to the first channel 26 and the second channel 27. A packaging section 30 is provided at the bottom of the storage section 10.

[0043] Among them, such as Figure 1 The diversion tank 24 shown has an inverted V-shaped structure, which allows the nuts conveyed through the cylinder 21 to be divided into two categories according to the screening requirements for subsequent transportation and packaging. Furthermore, the cylinder 21 is connected to the first channel 26 and the second channel 27 respectively by setting the flip diversion plate 25.

[0044] It is understood that the packaging device involved in this application is the last step in the entire nut product processing and preparation. Its front end should be connected to a nut conveying device. In order to ensure the quality of the nuts packaged by the nut packaging equipment, a vision inspection component and a sorting component can be set in front of the cylinder 21. The vision inspection component can detect broken or defective nuts, and the sorting component can pick out these defective nuts to ensure the quality of the nuts packaged later.

[0045] Specifically, taking walnuts as an example, after visual sorting, the nuts first reach the cylinder 21, and are divided into two parts by the flipping distribution plate inside the cylinder 21. For ease of explanation, the two parts of nuts are divided into large nuts and small nuts. Of course, the size here refers only to the relative size between the two parts of nuts. The small nuts are those that pass through the first selection hole 23, while the large nuts are those that are blocked by the first selection hole 23. The small nuts reach the flipping diversion plate 25 through the first selection hole 23. At this time, the flipping diversion plate 25 starts to rotate and flip, tilting towards the first channel 26, so that the small nuts on the surface of the flipping diversion plate 25 flow into the first channel 26 and reach the first storage bin. After the small nuts are transported, the flipping diversion plate 25 returns to the center, and the flipping selection plate 22 starts to rotate and tilt, so that the large nuts blocked by the first selection hole 23 flow through the inclined surface to the flipping diversion plate 25. The flipping diversion plate 25 rotates again and tilts towards the second channel 27, so that the large nuts flow into the second storage bin 12, completing the diversion and storage of large and small nuts.

[0046] In a preferred embodiment of this application, a second screening plate 121 is provided inside the second storage box 12. The second screening plate 121 divides the second storage box 12 into an upper part 122 and a lower part 123. A second material selection hole 124 is provided on the surface of the second screening plate 121. The diameter of the second material selection hole 124 is larger than that of the first material selection hole 23.

[0047] like Figure 1 and Figure 2 As shown, the second storage box 12 and the first storage box 11 can be in the form of a square box structure. The structure of the second screening plate 121 can be similar to that of the first screening plate 111, but the difference is that the second screening plate 121 is equivalent to the second stage of screening process, and it screens the large nuts blocked by the first screening plate 111. Therefore, the second selection hole 124 of the second screening plate 121 can be larger to facilitate screening of oversized nuts, so that the nuts packaged in the end are of a relatively moderate size and easy to bag.

[0048] The second screening plate 121 has guide rods 13 on both sides of its side walls. The second screening plate 121 has a double-layer structure and a movable partition 14 is provided inside the second screening plate 121. The guide rods 13 are connected to the movable partition 14 to drive the movable partition 14 to open and close the second material selection hole 124.

[0049] It is understandable that, such as Figure 1 and Figure 3As shown, the double-layer structure here refers to the second screening plate 121 being composed of two plate-like structures, with a hollow portion inside to house the movable partition 14. The specific structure of the movable partition 14 can be formed by connecting multiple circular plates through strip plates. The size of these circular plates should be large enough to block the second material selection hole 124. In order to ensure that the movable partition 14 has sufficient placement and movement space, the interval between the multiple second material selection holes 124 should be relatively large, so that the circular plates of the movable partition 14 can be placed between adjacent second material selection holes 124. When it is necessary to block the second material selection hole 124, it is only necessary to push it a distance of one pitch in the direction of movement to block the second material selection hole 124.

[0050] Furthermore, the guide rod 13 can be a push rod structure and connected to the side wall of the movable partition 14, so as to drive the movable partition 14 to move horizontally by pushing and retracting.

[0051] Optionally, in order to avoid some nuts not passing through the second selection hole 124 during the screening process due to the certain interval between each second selection hole 124, this application can provide a vibrating element on the outer edge of the second screening plate 121 to shake the second screening plate 121 to a certain extent, which further facilitates screening.

[0052] Furthermore, such as Figure 1 and Figure 2 As shown, the surface of the second material selection hole 124 is provided with a guide bevel 15 inclined towards the center, a second push block 16 is provided on one side of the upper part 122, and a second discharge port 17 is provided on the other side of the upper part 122.

[0053] It is understandable that the guide bevel 15 serves two purposes. First, it facilitates the falling of nuts conforming to the second selection hole 124 into the lower layer 123 for easy sieving. Second, when the movable partition 14 closes the second selection hole 124, the nuts in the upper layer 122 are held in place by the guide bevel 15, preventing them from hitting each other when the movable partition 14 is closed. Furthermore, this application provides a second pusher 16 on one side of the upper layer 122 to push nuts that do not conform to the second screening plate 121 into the opposite second discharge port 17. In this case, the guide bevel 15 can play a guiding role, reducing the chance of nuts getting stuck in the second selection port. The external storage box 18, which is connected to the first discharge port 113, can store the nuts ejected by the second pusher 16. The same structure can also be used for the first selection hole 23.

[0054] In addition, for the second discharge port 17, such as Figure 2As shown, it can be set behind the storage bin and has a transport channel to facilitate pushing unsorted nuts to the second discharge port 17 for storing nuts that do not meet the screening requirements of the second discharge port. Although these nuts are not convenient to package, they can be stored for bulk nuts in the market or processed into other nut products, which improves the utilization rate of nuts and reduces costs.

[0055] Furthermore, the nut packaging equipment also includes an outer storage box 18, which is connected to the second discharge port 17. The outer storage box 18 is located behind the storage box to temporarily store these nuts for subsequent processing and handling.

[0056] In a preferred embodiment of this application, the packaging section 30 includes, from top to bottom, a metering funnel 31 connected to the storage section 10, a bagging assembly 32, and a weight sensing plate 33.

[0057] Among them, such as Figure 1 As shown, there are two quantitative funnels 31, located at the bottom of the first storage box 11 and the second storage box 12 respectively. For ease of describing the structure, the bottom of the second storage box 12 will be used as an example for description. The feeding port of the quantitative funnel 31 at the bottom of the second storage box 12 has the same diameter as the second selection port, so as to facilitate the continued flow of suitable nuts into the bagging assembly 32.

[0058] The feeding port is located at the bottom of the metering funnel 31. An adjustable vibration element 34 is provided on the outside of the metering funnel 31. Multiple paddles 35 are provided on the inner wall of the feeding port. The paddles 35 are hinged to the inner wall of the feeding port.

[0059] Understandably, during use, due to an excessive number of nuts, multiple nuts may become stuck in the feeding port. This application addresses this by providing an adjustable vibration element 34 on the outside of the metering funnel 31. This allows for intermittent vibration as the nuts are fed into the bagging assembly 32 through the metering funnel 31, thereby reducing the phenomenon of multiple nuts getting stuck in the channel and further improving packaging efficiency. In addition, multiple paddles 35 provided on the inner wall of the feeding port can also flip and move the nuts when they are stuck, making the transport of the nuts smoother.

[0060] The structure of the paddle 35 can be made of a plastic sheet hinged to the inner wall of the feeding port. The paddle 35 can swing vertically through an externally installed motor power supply line to shake the nuts, reduce blockage, and ensure quantitative transportation of the nuts.

[0061] It should be noted that the first storage bin 11 can adopt a similar structure to the second storage bin 12. The difference is that the first storage bin 11 does not need to be layered and can be directly screened. The first storage bin 11 is provided with a first screening plate 111, a first push block 112 is provided on one side of the first storage bin 11, and a first discharge port 113 is provided on the other side of the first storage bin 11.

[0062] This application also provides a packaging method for a quantitative nut packaging device, applicable to a quantitative nut packaging device, the method comprising:

[0063] S1: Nuts are fed into the cylinder 21 of the feeding section 20 and sieved by the first feeding port on the surface of the flipping feeding plate 22 to separate nuts of different sizes;

[0064] S2: Nuts passing through the first selection port first fall into the flipping diversion plate 25, and are then fed into the first channel 26 by the rotation of the flipping diversion plate 25.

[0065] S3: Nuts remaining on the surface of the flipping sorting plate 22 are flipped by the flipping sorting plate 22 and then fed into the second channel 27 by the flipping diversion plate 25.

[0066] S4: Nuts entering the first channel 26 and the second channel 27 are further screened by the first screening plate 111 and the second screening plate 121 respectively, and flow into the first storage box 11 and the second storage box 12 respectively; Nuts that do not conform to the first screening plate 111 and the second screening plate 121 enter the first discharge port 113 and the second discharge port 17.

[0067] S5: Nuts from the storage section 10 enter the bagging assembly through the quantitative funnel 31, and the loading amount is determined by the weight sensor plate 33.

[0068] The weight sensing plate 33 can be made of commonly available weight sensing components. In order to improve the degree of automation, this application should be provided with a control component to connect with the weight sensing component, movable screening plate and other structures of this application to automatically or manually control the action of these structures.

[0069] Furthermore, the bagging component 32 can be bagged manually or by using an external robotic arm and vision structure. When using it, the appropriate method can be selected and set according to the specific situation and cost.

[0070] Furthermore, when this application is used, since it is divided into a first channel 26 and a second channel 27, the final bagging stage is also divided into two different parts to bag large nuts and small nuts in batches, ensuring efficiency while performing quantitative classification and packaging.

[0071] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0072] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0073] The above description is merely an embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

Claims

1. A quantitative nut packaging apparatus, characterized by, The packaging equipment includes a storage section, a dispensing section, and a packaging section. The dispensing section includes a cylinder and a tilting sorting plate disposed inside the cylinder. The tilting sorting plate is rotatably connected to the inside of the cylinder. A first sorting hole is formed on the surface of the tilting sorting plate. The dispensing section also includes a diversion bucket and a tilting diversion plate. The diversion bucket includes a first channel and a second channel. The tilting diversion plate is rotatably disposed inside the diversion bucket to open and close the first channel and the second channel. Smaller nuts passing through the first sorting hole first enter the first channel via the tilting diversion plate. After the smaller nuts have been transported, the tilting diversion plate returns to its original position, and the tilting sorting plate tilts to guide larger nuts remaining on its surface into the second channel via the tilting diversion plate. The storage section includes a first storage bin and a second storage bin. The first storage bin and the second storage bin are respectively connected to the first channel and the second channel. The second storage bin is provided with a second screening plate, which divides the second storage bin into an upper part and a lower part. The surface of the second screening plate is provided with a second material selection hole, the diameter of which is larger than that of the first material selection hole. The second screening plate has a double-layer structure. A movable partition is provided inside the second screening plate. Guide rods are provided on both sides of the second screening plate. The guide rods are connected to the movable partition to drive the movable partition to open and close the second material selection hole. The surface of the second material selection hole is provided with a guide bevel inclined towards the center. A second push block is provided on one side of the upper part, and a second discharge port is provided on the other side of the upper part. The packaging part is provided at the bottom of the storage part.

2. The quantitative nut packaging equipment as described in claim 1, characterized in that, The nut packaging equipment also includes an external storage box, which is connected to the second discharge port.

3. A quantitative nut packaging device as described in claim 1 or 2, characterized in that, The packaging section, from top to bottom, includes a metering funnel, a bagging assembly, and a weight sensing plate that are connected to the storage section.

4. The quantitative nut packaging equipment as described in claim 3, characterized in that, Two quantitative funnels are provided, located at the bottom of the first storage box and the second storage box respectively. The feeding port of the quantitative funnel at the bottom of the second storage box has the same diameter as the second material selection hole.

5. A quantitative nut packaging device as described in claim 4, characterized in that, The feeding port is located at the bottom of the metering funnel. An adjustable vibration element is provided on the outside of the metering funnel. Multiple levers are provided on the inner wall of the feeding port, and the levers are hinged to the inner wall of the feeding port.

6. The quantitative nut packaging equipment as described in claim 1, characterized in that, The first storage bin is provided with a first screening plate, a first pusher is provided on one side of the first storage bin, and a first discharge port is provided on the other side of the first storage bin.

7. A packaging method for a quantitative nut packaging device, applicable to the quantitative nut packaging device described in claim 1, characterized in that, The method includes: S1: Nuts are fed into the cylinder of the feeding section and sieved by the first feeding hole on the surface of the flipping feeding plate to separate nuts of different sizes; S2: Smaller nuts passing through the first material selection hole fall into the flipping diversion plate, which rotates to connect the first channel, sending the smaller nuts into the first channel; S3: After the smaller nuts are transported, the flip diverter plate returns to the center, and the flip sorting plate flips so that the larger nuts remaining on the surface of the flip sorting plate fall onto the flip diverter plate. The flip diverter plate rotates again to connect the second channel and sends the larger nuts into the second channel. S4: Smaller nuts entering the first channel are further screened by the first screening plate and then flow into the first storage box. Larger nuts entering the second channel are further screened by the second screening plate and then flow into the upper part of the second storage box. Nuts that meet the requirements of the second selection hole fall into the lower part through the guide inclined side. Nuts that do not meet the screening requirements of the second screening plate are pushed into the second discharge port by the second pusher block. S5: Nuts from the storage section enter the bagging assembly through a quantitative funnel, and the filling volume is determined by a weight sensor plate.

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