Sorting device for peanut seedling films

Abstract

The utility model relates to a peanut vine film sorting device, and belongs to the technical field of peanut vine and film separation. According to the technical scheme, a first separation box (2) and a second separation box (3) are arranged on a rack (1), crushing mechanisms (5) are arranged in the first separation box (2) and the second separation box (3), a screen (4) is arranged at the bottom of the first separation box (2) and the second separation box (3), the second separation box (3) and the first separation box (2) are communicated end to end through a discharging connecting pipe (7), and the first separation box (2), the discharging connecting pipe (7) and the second separation box (3) integrally form a negative pressure closed space. The peanut seedling and mulching film separating machine has the advantages that the first separating box and the second separating box are connected end to end to form a turn-back structure, the length of the separating boxes is prolonged to the maximum extent in a limited equipment space, the separating process of peanut seedlings and mulching films is increased, and the separating efficiency and quality of the peanut seedling films are improved.

Description

Technical Field

[0001] The utility model relates to a sorting device for peanut seedlings and films, belonging to the technical field of separation of peanut seedlings and plastic films. Background Technique

[0002] Peanut film mulching planting has many advantages such as temperature increase, humidity regulation, and significant yield increase and efficiency improvement. Therefore, peanut film mulching planting is now commonly used. However, while bringing the above-mentioned many advantages, film mulching planting also has many problems. Since peanut seedlings can be used as livestock feed after being chopped, but the plastic film (residual film) wrapped around the peanut seedlings will harm the health of livestock. Therefore, it is necessary to remove the plastic film on the peanut seedlings when chopping. Most of the existing technologies complete the sorting by first crushing the peanut seedlings and the film and then using the weight difference between the film and the seedlings for air separation. For example, Chinese Patent CN 201720934597.6 titled "Peanut seedling film removing and chopping machine with double cyclone separators" and CN202410114265.8 titled "Peanut seedling film separation and film removing mechanism", etc. In this type of sorting method, the weight difference between the plastic film and the peanut seedlings decreases after crushing, resulting in residual broken film in the chopped peanut seedlings during actual production. The Chinese invention patent CN 201710020998.5 titled "Spiral film mulched peanut seedling sorting device" of the applicant uses a method of not chopping the plastic film for sorting, avoiding residual plastic film in the sorted peanut seedlings and solving the above-mentioned technical problems existing in the existing technologies; the Chinese invention patent CN202410105861.X titled "Multi-stage reciprocating peanut seedling film sorting machine based on different wind speeds" of the applicant further improves the sorting method of not chopping the plastic film. In the negative pressure separation box, the peanut seedlings are broken by a crushing mechanism and then fall. The residual plastic film wrapped around the peanut seedlings will not be broken by the crushing mechanism due to its flexibility and elasticity, and floats up and separates from the peanut seedlings under the action of negative pressure; the longer the sorting process of the separation box, the cleaner the separation between the peanut seedlings and the plastic film. However, the length of the separation box is limited by the length and width of the equipment itself. If the separation box is lengthened, it will inevitably make the equipment bulky, increase the cost, and be inconvenient to use. Content of the Utility Model

[0003] The purpose of the utility model is to provide a sorting device for peanut seedlings and films. The separation box is of a folded-back structure, which maximally extends the length of the separation box within a limited equipment space, increases the separation process between the peanut seedlings and the plastic film, improves the sorting efficiency and quality of the peanut seedlings and films, and solves the above problems existing in the background technique.

[0004] The technical solution of the utility model is as follows:

[0005] A sorting device for peanut vine membranes, comprising a frame, a first separation box, a second separation box, a screen, a crushing mechanism and a discharge connecting pipe. The first separation box and the second separation box are arranged on the frame. Crushing mechanisms are provided inside both the first separation box and the second separation box, and a screen is provided at the bottom. The second separation box and the first separation box are connected head to tail through the discharge connecting pipe, and the first separation box, the discharge connecting pipe and the second separation box together form a negative pressure sealed space.

[0006] A feed hopper is provided at the head end of the first separation box, and the tail end is communicated with the head end of the second separation box through the discharge connecting pipe. A film outlet is provided at the upper part of the second separation box.

[0007] The first separation box and the second separation box are parallel to each other and arranged side by side on the frame.

[0008] The outer shell shapes of the first separation box and the second separation box are arbitrary, including circular, square, trapezoidal, polygonal, etc.

[0009] The screens at the bottoms of the first separation box and the second separation box are arc-shaped screens.

[0010] Spiral guide plates are provided on the inner walls of the first separation box and the second separation box.

[0011] A blower is provided on the frame and is communicated with the first separation box and the second separation box.

[0012] The crushing mechanism is a structure well-known and commonly used in the art, generally composed of a roller and crushing teeth, and the outer circumference of the roller is covered with crushing teeth.

[0013] By adopting the present utility model, dry peanut vines and residual membranes enter the first separation box together through the feed hopper. The peanut vines and membranes are attracted by negative pressure and move forward in the first separation box. During the movement, the peanut vines broken by the crushing mechanism fall and are discharged and collected through the screen at the bottom. The membranes wrapped around the peanut vines will not be broken by the crushing mechanism due to their flexibility and elasticity, and float and separate from the peanut vines under the action of negative pressure. The peanut vines and membranes enter the second separation box together through the discharge connecting pipe at the tail end of the first separation box, continue to move and be further broken and separated in the second separation box, and the separated membranes are discharged and collected through the film outlet. The function of the first separation box is to reduce the mixing amount of peanut vines and membranes, fully separate most of the easily crushed peanut vines and smaller peanut vines from the membranes. The larger and not easily broken peanut vines and large pieces of membranes are sent into the second separation box with negative pressure, and the membranes are sucked out by the negative pressure of the second separation box. The peanut vines and membranes that are not completely separated continue to move forward along the guide plates arranged obliquely on the box wall until they are completely separated.

[0014] The beneficial effects of the present utility model are as follows: The first separation box and the second separation box are connected end to end to form a folding structure, which maximally extends the length of the separation box within a limited equipment space, increases the process of separating peanut seedlings from the plastic film, and improves the sorting efficiency and quality of peanut seedling film. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall equipment of an embodiment of the present utility model;

[0016] Figure 2 is a schematic diagram of the internal structure of an embodiment of the present utility model;

[0017] Figure 3 is a top view schematic diagram of an embodiment of the present utility model;

[0018] Figure 4 is a three-dimensional schematic diagram of the first separation box of an embodiment of the present utility model;

[0019] Figure 5 is a side view schematic diagram of the first separation box of an embodiment of the present utility model;

[0020] Figure 6 is a sectional view schematic diagram of the first separation box of an embodiment of the present utility model;

[0021] In the figure: frame 1, first separation box 2, second separation box 3, screen 4, crushing mechanism 5, feed hopper 6, discharge connecting pipe 7, plastic film outlet 8, fan 9, guide plate 10, roller 11, crushing teeth 12. Detailed Embodiment

[0022] The following further illustrates the present utility model through embodiments in conjunction with the drawings.

[0023] A sorting device for peanut seedling film includes a frame 1, a first separation box 2, a second separation box 3, a screen 4, a crushing mechanism 5 and a discharge connecting pipe 7. The first separation box 2 and the second separation box 3 are arranged on the frame 1. The first separation box 2 and the second separation box 3 are both internally provided with a crushing mechanism 5, and a screen 4 is provided at the bottom. The second separation box 3 and the first separation box 2 are connected end to end through the discharge connecting pipe 7, and the first separation box 2, the discharge connecting pipe 7 and the second separation box 3 together form a negative pressure closed space.

[0024] The head end of the first separation box 2 is provided with a feed hopper 6, and the tail end is connected to the head end of the second separation box 3 through the discharge connecting pipe 7. The upper part of the second separation box 3 is provided with a plastic film outlet 8.

[0025] The first separation box 2 and the second separation box 3 are parallel to each other and arranged on the frame.

[0026] The outer shell shapes of the first separation box 2 and the second separation box 3 are arbitrary, including circular, square, trapezoidal, polygonal, and so on.

[0027] The screen 4 at the bottom of the first separation box 2 and the second separation box 3 is an arc-shaped screen.

[0028] Spiral-shaped guide plates 10 are provided on the inner walls of the first separation box 2 and the second separation box 3.

[0029] A blower 9 is provided on the frame 1 and is communicated with the first separation box 2 and the second separation box 3.

[0030] The crushing mechanism 5 is a structure well-known and commonly used in the art, generally composed of a drum 11 and crushing teeth 12. The outer circumference of the drum 11 is covered with crushing teeth 12.

[0031] By adopting the present utility model, the dried peanut seedlings and the residual plastic film enter the first separation box 2 together through the feed hopper 6. Negative pressure attracts the peanut seedlings and the residual plastic film to move forward in the first separation box 2. During the movement, the peanut seedlings broken by the crushing mechanism 5 fall and are discharged and collected through the screen 4 at the bottom. The residual plastic film wound around the peanut seedlings will not be broken by the crushing mechanism 5 due to its flexibility and elasticity, and floats up and separates from the peanut seedlings under the action of negative pressure; the peanut seedlings and the residual plastic film enter the second separation box 3 together through the discharge connecting pipe 7 at the end of the first separation box 2, continue to move and are further broken and separated in the second separation box 3, and the separated residual plastic film is discharged and collected through the plastic film outlet 8.

Claims

1. A peanut seedling film sorting device, characterized in that: The invention comprises a frame (1), a first separation box (2), a second separation box (3), a screen (4), a crushing mechanism (5) and a discharge connecting pipe (7); the first separation box (2) and the second separation box (3) are arranged on the frame (1); the first separation box (2) and the second separation box (3) are both provided with a crushing mechanism (5) inside, and a screen (4) is provided at the bottom; the second separation box (3) and the first separation box (2) are connected end to end via the discharge connecting pipe (7); the first separation box (2), the discharge connecting pipe (7) and the second separation box (3) as a whole form a negative pressure closed space.

2. The peanut seedling film sorting device according to claim 1, characterized in that: The first separation box (2) is provided with a feed hopper (6) at the head end, and the tail end is connected to the head end of the second separation box (3) through a discharge connection pipe (7), and the upper part of the second separation box (3) is provided with a ground film outlet (8).

3. A peanut seedling film sorting device according to claim 1 or 2, characterized in that: The first separation box (2) and the second separation box (3) are parallel to each other and arranged in parallel on the frame.

4. A peanut seedling film sorting device according to claim 1 or 2, characterized in that: The screens (4) at the bottom of the first separation box (2) and the second separation box (3) are arc-shaped screens.

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