Walnut circulating screening device

Abstract

The utility model provides a walnut circulation screening device which comprises a machine frame, the machine frame comprises a lower layer frame and an upper layer frame, a screening support is arranged on the upper layer frame, a screening assembly is arranged on the screening support, a feeding assembly is arranged on one side of the screening assembly, a dust collecting box is arranged below the feeding assembly, and a plurality of discharging assemblies are arranged below the screening assembly. According to the walnut screening device, primary screening of walnuts and cyclic re-screening of substandard materials can be automatically completed, the defect that repeated manual operation is needed in a traditional method is overcome, the labor intensity and the labor cost are greatly reduced, and the screening efficiency is improved. The built-in dust collection system of the device effectively reduces dust pollution in the screening process and improves the working environment, the device not only improves the production efficiency and the product quality, but also realizes effective utilization of resources, has remarkable economic benefits and environmental protection benefits, and solves the problem that traditional walnut screening equipment cannot perform circular screening.

Description

Technical Field

[0001] The utility model relates to the field of walnut screening, in particular to a walnut circulation screening device. Background Art

[0002] Screening is a crucial process in agricultural product processing, especially for nuts like walnuts. It not only removes impurities and improves product purity, but also allows for grading by size or weight to meet the demands of different markets.

[0003] Traditional screening methods mostly use manual operation or simple mechanical vibrating screens. These methods have problems such as low efficiency, high labor intensity, and insufficient screening accuracy, and are difficult to adapt to the needs of modern large-scale production. In addition, traditional screening has the problem of incomplete screening in one screening. A collection container is set up under the equipment, and then the walnuts in the container are screened again. This process is time-consuming and labor-intensive and is a complete waste of manpower. It is entirely possible to design a device that can automatically perform cyclic screening so that walnuts that do not meet the standards can be automatically returned for secondary screening to ensure the quality of the final product and reduce resource waste. Utility Model Content

[0004] The main purpose of the utility model is to provide a walnut circulation screening device, which solves the problem that traditional walnut screening equipment cannot perform circulation screening.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a walnut circulation screening device, comprising a frame, the frame comprising a lower frame and an upper frame, the upper frame is provided with a screening bracket, and the screening bracket is provided with a screening component;

[0006] A feeding assembly is provided on one side of the screening assembly, and a dust collecting box is provided below the feeding assembly;

[0007] A plurality of discharging components are provided below the screening component, and a circulation component is provided between the lowest point of the screening component and the feeding component.

[0008] In a preferred embodiment, an adjusting stud is provided between the screening bracket and the upper shelf, and the adjusting stud is used to adjust the height of the screening assembly.

[0009] In the preferred embodiment, the feeding assembly includes a feeding hopper, a feeding motor is provided between the feeding hopper and the dust collecting box, and a swingable feeding plate is provided at the output shaft end of the feeding motor, and the feeding plate is used to stir the material in the feeding hopper.

[0010] In a preferred embodiment, a feed screen plate is provided between the lower portion of the upper hopper and the dust collecting box, and the feed screen plate is used to filter out fine sand and gravel generated when unloading the material.

[0011] In a preferred embodiment, the screening assembly includes a screening bucket, and a plurality of guide plates are provided above the screening bucket, the guide plates are arranged at a downwardly inclined angle, and the plurality of guide plates are relatively staggered;

[0012] There are multiple vibrators on both sides of the screen bucket to prevent the screen bucket from being blocked.

[0013] In the preferred embodiment, a plurality of filter hole partitions are provided below the sieve bucket, and a plurality of filter holes are provided between the filter hole partitions;

[0014] The filter holes are divided into a first filter hole, a second filter hole and a third filter hole in sequence from the highest point to the lowest point of the sieve bucket. The first filter hole, the second filter hole and the third filter hole are separated by a filter hole partition.

[0015] In a preferred embodiment, a circulation guide bucket is provided at the lowest point of the screen bucket, and the circulation guide bucket is used to transport the flowing material into the circulation component.

[0016] In a preferred embodiment, the circulation assembly includes a circulation housing, the upper end of the circulation housing is connected to the feeding assembly, and the lower end of the circulation housing is connected to the screening assembly;

[0017] A circulating conveyor belt is provided inside the circulating shell, and a plurality of pushing blocks are provided on the surface of the circulating conveyor belt. The pushing blocks are used to transport the materials upward. A circulating discharge port is also provided between the upper end of the circulating shell and the loading assembly, and the circulating discharge port is connected to the loading hopper.

[0018] In the preferred embodiment, the discharge assembly includes a discharge conveyor belt, discharge baffles are provided on both sides of the discharge conveyor belt, and one side of the discharge conveyor belt extends out of the frame and a discharge support leg is provided between the discharge conveyor belt and the ground;

[0019] The discharge conveyor belt is arranged between the filter hole partitions. The discharge conveyor belt corresponds to the position of the filter holes one by one. The discharge conveyor belt is used to transport the screened materials out of the equipment.

[0020] The utility model provides a walnut recycling screening device, which has the following beneficial effects: the device can automatically complete the initial screening of walnuts and the recycling screening of substandard materials, avoiding the disadvantages of repeated manual operations in traditional methods, greatly reducing labor intensity and labor costs, and the built-in dust collection system of the device effectively reduces dust pollution during the screening process and improves the working environment. The device not only improves production efficiency and product quality, but also realizes the effective use of resources, and has significant economic and environmental benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 It is an axonometric view of the screening device of the present invention;

[0023] Figure 2 It is a front view of the screening device of the utility model;

[0024] Figure 3 It is a cross-sectional view of the screening device of the utility model;

[0025] Figure 4 This is a top view of the screen bucket of the screening device of the present invention;

[0026] Figure 5 It is a cross-sectional view of the circulation component of the utility model.

[0027] In the figure: frame 1; lower frame 101; upper frame 102; screening bracket 103; adjusting stud 104; feeding assembly 2; feeding hopper 201; feeding motor 202; discharge port 203; feeding plate 204; feeding screen plate 205; dust collecting box 3; screening assembly 4; screening bucket 401; guide plate 402; circulation guide bucket 403; vibrator 404; screening bucket bracket 405; filter hole partition 406; first filter hole 407; second filter hole 408; third filter hole 409; circulation assembly 5; circulation shell 501; circulation discharge port 502; circulation conveyor belt 503; discharge assembly 6; discharge conveyor belt 601; discharge support leg 602; discharge baffle 603. DETAILED DESCRIPTION

[0028] Example 1

[0029] like Figure 1-5 As shown, a walnut circulating screening device includes a frame 1, the frame 1 includes a lower frame 101 and an upper frame 102, the upper frame 102 is provided with a screening bracket 103, and the screening bracket 103 is provided with a screening component 4;

[0030] A feeding assembly 2 is provided on one side of the screening assembly 4, and a dust collecting box 3 is provided below the feeding assembly 2;

[0031] A plurality of discharge assemblies 6 are provided below the screening assembly 4 , and a circulation assembly 5 is provided between the lowest point of the screening assembly 4 and the feeding assembly 2 .

[0032] In a preferred embodiment, an adjusting stud 104 is provided between the screening bracket 103 and the upper shelf 102 , and the adjusting stud 104 is used to adjust the height of the screening assembly 4 .

[0033] In the preferred embodiment, the feeding assembly 2 includes a feeding hopper 201 , a feeding motor 202 is provided between the feeding hopper 201 and the dust collecting box 3 , and a swingable feeding plate 204 is provided at the output shaft end of the feeding motor 202 , and the feeding plate 204 is used to stir the material in the feeding hopper 201 .

[0034] In a preferred embodiment, a feed screen plate 205 is provided between the lower portion of the upper hopper 201 and the dust collecting box 3 . The feed screen plate 205 is used to filter out fine sand and gravel generated when unloading materials.

[0035] In a preferred embodiment, the screening assembly 4 includes a screening bucket 401, and a plurality of guide plates 402 are provided above the screening bucket 401. The guide plates 402 are arranged at a downwardly inclined angle, and the plurality of guide plates 402 are relatively staggered.

[0036] A plurality of vibrators 404 are provided on both sides of the periphery of the sieve bucket 401 , and the vibrators 404 are used to prevent the sieve bucket 401 from being blocked by materials.

[0037] In the preferred embodiment, a plurality of filter hole partitions 406 are provided below the sieve bucket 401, and a plurality of filter holes are provided between the filter hole partitions 406;

[0038] The filter holes are divided into a first filter hole 407 , a second filter hole 408 and a third filter hole 409 from the highest point to the lowest point of the sieve bucket 401 . A filter hole partition 406 is provided between the first filter hole 407 , the second filter hole 408 and the third filter hole 409 for separation.

[0039] In a preferred embodiment, a circulation guide bucket 403 is provided at the lowest point of the screen bucket 401 , and the circulation guide bucket 403 is used to transport the flowing material into the circulation component 5 .

[0040] In the preferred embodiment, the circulation assembly 5 includes a circulation housing 501, the upper end of the circulation housing 501 is connected to the feeding assembly 2, and the lower end of the circulation housing 501 is connected to the screening assembly 4;

[0041] A circulating conveyor belt 503 is provided inside the circulating shell 501, and a plurality of pushing blocks are provided on the surface of the circulating conveyor belt 503, which are used to transport the material upward. A circulating discharge port 502 is also provided between the upper end of the circulating shell 501 and the loading component 2, and the circulating discharge port 502 is connected to the loading hopper 201.

[0042] In the preferred embodiment, the discharge assembly 6 includes a discharge conveyor belt 601, and discharge baffles 603 are provided on both sides of the discharge conveyor belt 601. One side of the discharge conveyor belt 601 extends out of the frame 1 and a discharge support leg 602 is provided between the discharge conveyor belt 601 and the ground.

[0043] The discharge conveyor belt 601 is arranged between the filter hole partitions 406. The discharge conveyor belt 601 corresponds to the position of the filter holes one by one. The discharge conveyor belt 601 is used to transport the screened materials out of the equipment.

[0044] The working process of a walnut circulation screening device is as follows: walnuts are placed from the upper hopper 201, and the gravel or debris attached to the fallen walnuts falls into the dust box 3 through the feeding screen plate 205. The walnuts fall onto the inclined screen bucket 401 through the discharge port 203, and the walnuts roll downward. Large walnuts directly roll through the first filter hole 407 and the second filter hole 408, and pass through the third filter hole 409 when reaching the third filter hole 409. The walnuts fall onto the corresponding discharge conveyor belt 601 below and are transported out of the device. Similarly, small and medium-sized walnuts correspond to the first filter hole 407 and the second filter hole 408, and the corresponding discharge conveyor belt 601 is also provided below.

[0045] When there are a lot of walnuts in the upper hopper 201, the feeding motor 202 can be started to swing the feeding plate 204, so that the walnuts in the upper hopper 201 can be shaken and the walnuts can be discharged faster. When there are too many walnuts in the screening bucket 401, there will be walnuts that have not been screened in time and will directly roll through the filter holes. Such walnuts will eventually roll into the circulation guide bucket 403, and the circulation guide bucket 403 will guide the walnuts to the circulation conveyor belt 601. The circulation conveyor belt 601 will transport the walnuts upward and re-convey the walnuts to the upper hopper 201 through the circulation discharge port 502. The height of the walnuts in the upper hopper 201 does not exceed the bottom of the circulation feed port 502. When it approaches the circulation feed port 502, the sensor is triggered to stop the automatic feeding device from feeding, ensuring that the height above the walnuts remains at a fixed height;

[0046] The screened walnuts are finally transported out of the equipment through different discharge conveyor belts 601. A collection container can be placed manually at the end of each discharge conveyor belt 601, or a subsequent automatic packaging device can be directly placed at the end of the discharge conveyor belt 601 to complete the overall automated screening process.

[0047] The above embodiments are merely preferred technical solutions of the present invention and should not be construed as limiting the present invention. The scope of protection of the present invention shall be the technical solutions set forth in the claims, including equivalent alternatives to the technical features of the technical solutions set forth in the claims. Equivalent alternatives and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A walnut recycling screening device, characterized by: The machine frame (1) includes a lower frame (101) and an upper frame (102), a screening bracket (103) is provided on the upper frame (102), and a screening component (4) is provided on the screening bracket (103); A feeding assembly (2) is provided on one side of the screening assembly (4), and a dust collecting box (3) is provided below the feeding assembly (2); A plurality of discharge assemblies (6) are provided below the screening assembly (4), and a circulation assembly (5) is provided between the lowest point of the screening assembly (4) and the feeding assembly (2).

2. A walnut recycling screening device according to claim 1, characterized in that: screening An adjusting stud (104) is further provided between the bracket (103) and the upper frame (102), and the adjusting stud (104) is used to adjust the height of the screening assembly (4).

3. The walnut recycling screening device according to claim 1, characterized in that: The feeding assembly (2) comprises a feeding hopper (201), a feeding motor (202) is provided between the feeding hopper (201) and the dust collecting box (3), and a swingable feeding plate (204) is provided at the output shaft end of the feeding motor (202), and the feeding plate (204) is used to stir the material in the feeding hopper (201).

4. A walnut recycling screening device according to claim 3, characterized in that: A feeding screen plate (205) is further provided between the bottom of the hopper (201) and the dust collecting box (3), and the feeding screen plate (205) is used to filter out fine gravel generated when unloading materials.

5. The walnut recycling screening device according to claim 1, characterized in that: The screening assembly (4) includes a screening bucket (401), and a plurality of guide plates (402) are provided above the screening bucket (401). The guide plates (402) are arranged at a downwardly inclined angle, and the plurality of guide plates (402) are arranged in a relatively staggered manner. A plurality of vibrators (404) are provided on the periphery of both sides of the sieve bucket (401), and the vibrators (404) are used to prevent the sieve bucket (401) from being blocked.

6. The walnut recycling screening device according to claim 5, characterized in that: A plurality of filter hole partitions (406) are provided below the sieve bucket (401), and a plurality of filter holes are provided between the filter hole partitions (406); The filter holes are divided into a first filter hole (407), a second filter hole (408) and a third filter hole (409) in sequence from the highest point to the lowest point of the sieve bucket (401). A filter hole partition (406) is provided between the first filter hole (407), the second filter hole (408) and the third filter hole (409) for separation.

7. A walnut recycling screening device according to claim 6, characterized in that: A circulation guide bucket (403) is provided at the lowest point of the screen bucket (401), and the circulation guide bucket (403) is used to convey the flowing material to the circulation component (5).

8. The walnut recycling screening device according to claim 1, characterized in that: The circulation assembly (5) includes a circulation housing (501), the upper end of the circulation housing (501) is connected to the feeding assembly (2), and the lower end of the circulation housing (501) is connected to the screening assembly (4); A circulating conveyor belt (503) is provided inside the circulating housing (501), and a plurality of pusher blocks are provided on the surface of the circulating conveyor belt (503), which are used to convey materials upward. A circulating discharge port (502) is also provided between the upper end of the circulating housing (501) and the loading assembly (2), and the circulating discharge port (502) is connected to the loading hopper (201).

9. The walnut recycling screening device according to claim 1, characterized in that: The discharge assembly (6) includes a discharge conveyor belt (601), discharge baffles (603) are provided on both sides of the discharge conveyor belt (601), and a discharge support leg (602) is provided between one side of the discharge conveyor belt (601) and the frame (1). The discharge conveyor belt (601) is arranged between the filter hole partitions (406), and the discharge conveyor belt (601) corresponds to the position of the filter holes one by one. The discharge conveyor belt (601) is used to transport the screened material out of the equipment.

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