Portable fruit screening equipment for fresh blueberries

Abstract

The portable fruit screening equipment comprises a feeding bin, a fruit collecting box and a screening mechanism, the bottom of the feeding bin is connected with the fruit collecting box, the screening mechanism is arranged between the feeding bin and the fruit collecting box, the screening mechanism comprises an outer screening pipe, an inner screening pipe, a screening net, a material guide plate and a partition plate, the outer screening pipe and the inner screening pipe are coaxially arranged, and the outer screening pipe and the inner screening pipe are coaxially arranged. The screen mesh and the material guide plate are spirally arranged between the outer screen pipe and the inner screen pipe, the material guide plate is arranged below the screen mesh in parallel, a plurality of screen hole areas are arranged on the screen mesh, screen holes are formed in the screen hole areas, partition plates are arranged on the material guide plate and correspond to the tail ends of the screen hole areas, and material guide openings are formed in the positions, at the partition plates, of the inner screen pipe. Fruit collecting bins are arranged in the fruit collecting box and correspond to the sieve hole areas in number, each fruit collecting bin is correspondingly communicated with one material guiding opening, and a discharging opening is formed in the bottom of each fruit collecting bin. The blueberry fruit screening device is compact in structure and can be carried by a picker, automatic screening work of blueberry fruits is achieved in the picking process, and the picking efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to blueberry planting and processing technical field especially relates to a portable fruit screening equipment for blueberry fresh fruit. BACKGROUND

[0002] At present, the artificial screening mode is usually used for screening the picked blueberries, which is low in efficiency and high in labor intensity. To solve this problem, the prior art provides a screening device with a rotating layered screening disc or a roller to realize the mechanical screening of the blueberries. The screening device can realize the screening of the blueberries to some extent, but the screening machine is large in size and fixed and cannot be moved, so the picked blueberries need to be transported to the screening machine for operation. Since the picked blueberries are high in maturity, the repeated movement and the repeated stirring or rolling in the screening machine can easily damage the blueberries, which will affect the quality of the blueberries and increase the workload.

[0003] Therefore, the key to solve the problem is to develop a device capable of automatically screening the blueberry fruits during the picking process. SUMMARY

[0004] The utility model provides a portable fruit screening equipment for blueberry fresh fruit.

[0005] The utility model discloses a technical scheme is realized as follows: including feed bin, fruit collecting box, sieve mechanism, the feed bin bottom is connected fruit collecting box, and the sieve mechanism sets up between both, the sieve mechanism includes outer sieve pipe, inner sieve pipe, screen, guide plate, baffle, the outer sieve pipe, inner sieve pipe is concentric circle and is established, and the top height of inner sieve pipe is lower than the top height of outer sieve pipe, screen, guide plate are respectively spiral and are set between the space of outer sieve pipe and inner sieve pipe from top to bottom, and guide plate is parallel and is established below screen, screen is set to a plurality of different size specifications of sieve hole area from the upper end to the lower end, and each sieve hole area of screen is equipped with sieve hole, and baffle is set in the screen end, and baffle is set on the guide plate corresponding each sieve hole area end, and the inner sieve pipe is opened on each baffle and is equipped with guide port, the fruit collecting box is equipped with fruit collecting bin corresponding the sieve hole area number, and each fruit collecting bin is communicated with a guide port through guide pipe, and the bottom of each fruit collecting bin is equipped with unloading port.

[0006] The utility model has the advantages of compact structure, small size, which can be carried by the picker, and realizes the screening and grading of blueberry fruits during the picking process, avoiding subsequent screening. The spiral structure forms a rolling effect on the blueberry fruits, making the accumulated blueberry fruits easier to disperse. The dispersed blueberry fruits are leaked from the small mesh and the large mesh, realizing automatic screening of the blueberry fruits. This helps to quickly screen the blueberry fruits of different diameters, reduces the picking process of the blueberry fruits, ensures the quality of the blueberry fruits, and effectively improves the practicality and picking efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is a structural schematic view of the utility model;

[0008] Figure 2 It is a three-dimensional structural schematic view of the sieve mechanism;

[0009] Figure 3 It is a three-dimensional structural schematic view of the partition, material guide and inner sieve pipe;

[0010] Figure 4 It is a top view structural schematic view of the fruit collecting bin and material guide pipe;

[0011] Marked number in the drawing: 1~feed bin, 2~fruit collecting box, 3~fruit collecting bin, 4~sieve mechanism, 5~outer sieve pipe, 6~inner sieve pipe, 7~sieve net, 8~sieve hole area, 9~material guide plate, 10~partition, 11~material guide, 12~material guide pipe, 13~unloading port, 14~limitation convex line. DETAILED DESCRIPTION

[0012] In order to make the person skilled in the art better understand the technical scheme of the utility model, the specific implementation mode is explained in detail below in combination with the drawings.

[0013] As Figures 1-4The portable fruit screening device for blueberry fresh fruit includes a feeding bin 1, a fruit collecting box 2, and a screening mechanism 4. The bottom of the feeding bin 1 is connected to the fruit collecting box 2, and the screening mechanism 4 is arranged between the two. The screening mechanism 4 includes an outer screen pipe 5, an inner screen pipe 6, a screen 7, a guide plate 9, and a partition plate 10. The outer screen pipe 5 and the inner screen pipe 6 are arranged in concentric circles, and the top of the inner screen pipe 6 is lower than the top of the outer screen pipe 5. The screen 7 and the guide plate 9 are arranged in a spiral shape from top to bottom in the space between the outer screen pipe 5 and the inner screen pipe 6, and the guide plate 9 is parallel to the screen 7 below. The screen 7 is arranged from the upper end to the lower end to several screen hole areas 8 of different sizes, and each screen hole area 8 of the screen 7 is provided with a screen hole. The partition plate 10 is arranged at the end of the screen 7, and the partition plate 10 is arranged at the end of each screen hole area 8 on the guide plate 9. A guide port 11 is opened on the inner screen pipe 6 at each partition plate 10. The bottom of the outer screen pipe 5 and / or the inner screen pipe 6 is fixedly connected to the fruit collecting box 2. The fruit collecting box 2 is provided with fruit collecting bins 3 corresponding to the number of screen hole areas 8. Each fruit collecting bin 3 is connected to one guide port 11 through a guide pipe 12, and the two are integrally formed. Each guide pipe 12 penetrates into the inner screen pipe 6 to connect the guide port 11, and the top of the guide pipe 12 is sealed. The sidewall of the guide pipe 12 is provided with a notch corresponding to the guide port 11. The fruit enters the guide pipe 12 through the notch, and the discharging port 13 is arranged at the bottom of each fruit collecting bin 3 to take out the screened fruit. The partition plate 10 prevents different sizes of fruits from mixing together on the guide plate 9. When the fruit screened from the screen hole area 8 rolls to the partition plate 10 along the guide plate 9, it is guided to be discharged from the guide port 11 to the fruit collecting bin 3.

[0014] The height between the screen 7 and the guide plate 9 is not less than 3 cm, and the width of the screen 7 and the guide plate 9 is not less than 5 cm.

[0015] The bottom surface of the feeding bin 1 is arranged in an inclined shape, that is, the longitudinal section is in a right-angled trapezoidal structure. An opening is arranged at the lowest part of the bottom surface of the feeding bin 1 to communicate with the top of the screen 7, so that the fruit can smoothly fall from the feeding bin 1 to the screen 7 and roll down the screen 7 for screening.

[0016] The screen 7 and the guide plate 9 surround the inner screen pipe 6 at least once and a half. The diameter of the inner screen pipe 6 is not less than 10 cm, which ensures that the screen hole area 8 on the screen 7 has sufficient distance, so that the fruit rolling on the screen hole area 8 of the screen 7 can fall from the corresponding screen hole area 8 to realize screening.

[0017] The included angle β between the screen 7, the guide plate 9, and the inner screen pipe 6 is an acute angle, so that the fruit will not be blocked during rolling, and the fruit collected at the partition plate 10 can be quickly discharged from the guide port 11 to the guide pipe 12.

[0018] At least three size specifications of sieve hole areas 8 are arranged in sequence from the upper end to the lower end of the screen 7, the aperture of the sieve hole area 8 is arranged according to the large, medium and small fruit diameter specifications of the fruit, the sieve hole of one sieve hole area 8 corresponds to one fruit diameter specification, and the sieve hole diameter of the sieve hole area 8 at the upper part of the screen 7 is smaller than the sieve hole diameter of the sieve hole area 8 connected below.

[0019] The inner wall of the outer screen pipe 5 is provided with a spiral limiting convex line 14 corresponding to the screen 7 and the guide plate 9, and the outer wall of the inner screen pipe 6 is provided with a spiral limiting convex line 14 corresponding to the screen 7 and the guide plate 9, and the limiting convex line 14 supports the screen 7 and the guide plate 9.

[0020] The working mode of the utility model is as follows: during picking blueberry fruits, a net bag or a belt is used outside the fruit collecting box 2, the worker carries the device on the body through the net bag or the belt, and the picked blueberry fruits are put into the feeding bin 1. Generally, 3-8 blueberry fruits can be picked at a time when picking manually, so that there is basically no blocking problem when the blueberry fruits are put into the device for screening. The blueberry fruits enter the screen 7 from the opening at the lowest part of the feeding bin 1, and the blueberry fruits roll along the screen 7 under the action of gravity, the smallest fruit diameter falls into the guide plate 9 from the first sieve hole area 8, and the second smallest fruit diameter falls into the guide plate 9 from the second sieve hole area 8. The screening is carried out according to the principle that small fruits fall first and large fruits fall later. When the blueberry fruits of various diameters fall to the guide plate 9 below the sieve hole area 8, they are collected at the partition plate 10 and enter the guide pipe 12 from the guide opening 11, and then fall into the fruit collecting bin 3. When the blueberry fruits are collected to a certain amount, the unloading opening 13 is opened, and the screened blueberry fruits can be taken out.

[0021] On the other hand, in order to ensure the continuity of picking and screening, the unloading openings 13 of all the fruit collecting bins 3 are kept open during the whole screening process when a large amount of fruits are picked and screened, and each unloading opening 13 is connected with a bag. The unloading openings 13 continuously discharge into the large-capacity bag, solving the defect of limited capacity of the fruit collecting bin 3 when a large amount of fruits are collected and screened.

Claims

1. A portable fruit screening device for blueberry fresh fruit, comprising a feeding bin (1), a fruit collecting box (2) and a screening mechanism (4), the bottom of the feeding bin (1) is connected to the fruit collecting box (2), and the screening mechanism (4) is arranged between the feeding bin (1) and the fruit collecting box (2), characterized in that: The screening mechanism (4) comprises an outer screen pipe (5), an inner screen pipe (6), a screen mesh (7), a material guide plate (9) and a partition plate (10). The outer screen pipe (5) and the inner screen pipe (6) are arranged in a concentric circle shape, and the top height of the inner screen pipe (6) is lower than that of the outer screen pipe (5). The screen mesh (7) and the material guide plate (9) are arranged in a spiral shape from top to bottom in the space between the outer screen pipe (5) and the inner screen pipe (6), and the material guide plate (9) is arranged in parallel below the screen mesh (7). The screen mesh (7) is arranged from the upper end to the lower end to a plurality of screen hole areas (8) of different sizes. Each screen hole area (8) of the screen mesh (7) is provided with a screen hole. The partition plate (10) is arranged at the end of the screen mesh (7) and at the end of each screen hole area (8) on the material guide plate (9). A material guide opening (11) is formed on the inner screen pipe (6) at each partition plate (10). The fruit collecting box (2) is provided with a fruit collecting bin (3) corresponding to the number of screen hole areas (8). Each fruit collecting bin (3) is connected to one material guide opening (11) through a material guide pipe (12). A discharge opening (13) is arranged at the bottom of each fruit collecting bin (3).

2. A portable fruit sorting device for fresh blueberries according to claim 1, characterized in that: The height between the screen mesh (7) and the material guide plate (9) is not less than 3 cm, and the width of the screen mesh (7) and the material guide plate (9) is not less than 5 cm.

3. A portable fruit sorting device for fresh blueberries according to claim 1, characterized in that: The bottom surface of the feeding bin (1) is arranged in an inclined manner, i.e., the longitudinal cross-section is in a right-angled trapezoidal structure. An opening is arranged at the lowest part of the bottom surface of the feeding bin (1) to communicate with the top of the screen mesh (7).

4. The portable berry sizer of claim 1, wherein: The screen mesh (7) and the material guide plate (9) surround the inner screen pipe (6) for at least one and a half turns, and the diameter of the inner screen pipe (6) is not less than 10 cm.

5. The portable berry sizer of claim 1, wherein: The included angle β between the screen mesh (7), the material guide plate (9) and the inner screen pipe (6) is an acute angle.

6. A portable fruit sorting device for fresh blueberries according to claim 1, characterized in that: At least three screen hole areas (8) of different sizes are arranged in sequence from the upper end to the lower end of the screen mesh (7). The diameters of the screen holes of the screen hole areas (8) are arranged according to the large, medium and small fruit diameters. The screen holes of one screen hole area (8) correspond to one fruit diameter, and the diameters of the screen holes of the screen hole areas (8) at the upper part of the screen mesh (7) are smaller than those of the screen hole areas (8) connected thereto at the lower part.

7. The portable berry sizer of claim 1, wherein: The inner wall of the outer screen pipe (5) is provided with a spiral limiting convex line (14) corresponding to the screen mesh (7) and the material guide plate (9), and the outer wall of the inner screen pipe (6) is provided with a spiral limiting convex line (14) corresponding to the screen mesh (7) and the material guide plate (9).

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