Crop seed screening and impurity removing device

Abstract

The utility model discloses a crop seed screening and impurity removing device in the technical field of seed screening, which comprises an outer protective box and a screening barrel, a support frame I is arranged on one side of the screening barrel, a support frame II is arranged on the other side of the screening barrel, a feeding window is arranged at the top of the outer protective box, a feeding plate adjusting matching seat is fixedly arranged on the outer side of the feeding window, and a feeding plate is arranged on the feeding plate adjusting matching seat. The two ends of the feeding plate adjusting matching base are rotationally connected with adjustable feeding guide plates correspondingly. The seed screening and impurity removing device is provided with the screening barrel capable of rotating, crop seeds are added into the screening barrel, the outer wall of the screening barrel is of a net-shaped structure, in the rotating process of the screening barrel, the seeds can be effectively screened, immature seeds and small seeds in the seeds can be screened out, and therefore the seed screening and impurity removing efficiency is improved. And when no small seeds fall off, the material collecting box is replaced, the push-pull type shielding door is opened, and the screening barrel is rotated and adjusted, so that the high-quality seeds can be discharged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of seed screening, concretely relates to crop seed screening and impurity removing device. BACKGROUND

[0002] Crop seed refers to the seed of various plants used for agricultural production, including the seed of crops such as grain, oil, cotton, rape, vegetable and fruit, in the process of crop planting, in order to improve the germination rate and growth quality of seeds, the seeds need to be screened, through screening, high-quality seeds are retained, high-quality seeds can better adapt to various environmental conditions, thereby improving the yield of crops. Seed screening usually selects seed screens with different mesh sizes and shapes, and removes chaff and small seeds in the seeds, and selects high-quality seeds with large, full and uniform seeds, thereby improving the quality of seeds. The feeding port of the existing seed screening device is usually a fixed structure, and the seed feeding process needs to be matched with a hopper, and the screening process is carried out through vibration of the screen mesh, so the screening efficiency is low.

[0003] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a crop seed screening and impurity removing device.

[0005] The utility model provides a crop seed screening and impurity removing device, which comprises an outer protective box and a screening cylinder, one side of the screening cylinder is provided with a support frame one, the other side is provided with a support frame two, the top of the outer protective box is provided with a feeding window, the outer side of the feeding window is fixedly provided with a feeding plate adjusting cooperation seat, two ends of the feeding plate adjusting cooperation seat are respectively rotationally connected with adjustable feeding guide plates, installation clamping grooves are formed in the adjustable feeding guide plates, installation side baffles are arranged in the installation clamping grooves between the two adjustable feeding guide plates, adjusting locking holes are arranged on the feeding plate adjusting cooperation seat, rotating shafts are fixedly arranged at the two end positions of the screening cylinder, the rotating shaft at one end is connected with the support frame one, and the rotating shaft at the other end is connected with the support frame two, the two ends of the screening cylinder are plate materials, the outer diameter of the screening cylinder is a mesh structure, a feeding port is formed in the outer diameter of the screening cylinder, push-pull cooperation sliding rails are fixedly arranged at the two sides of the feeding port, a push-pull type shielding door is slidably connected and arranged on the push-pull cooperation sliding rails, a cast iron piece is arranged at one end of the push-pull type shielding door, close to the support frame one, and a magnetic attraction piece is arranged at the other end, a adjusting rod is arranged in the outer protective box, close to the support frame one, one end of the adjusting rod in the outer protective box is provided with an electromagnetic attraction piece, an electromagnetic limiting seat is arranged outside the screening cylinder, and the locking state of the push-pull type shielding door is realized through cooperation of the electromagnetic limiting seat and the magnetic attraction piece.

[0006] As a further scheme of the utility model, an auxiliary mounting frame is fixedly arranged on the outer side wall of the outer protective box, close to the support frame one, an auxiliary support seat is fixedly arranged on the auxiliary mounting frame, a U-shaped groove is arranged on the auxiliary support seat, the section of the adjusting rod is matched with the U-shaped groove on the auxiliary support seat, and the stability of the adjusting rod in the extension adjustment is ensured.

[0007] As a further scheme of the utility model, a supporting fixing hole is formed in the outer side of the feeding window of the outer protective box, a stable support seat is arranged at the supporting fixing hole, the support surface of the stable support seat is a slope structure, and the included angle between the support slope of the stable support seat and the horizontal direction is 60 degrees, so that the adjustable feeding guide plate in the inclined state is stably supported.

[0008] As a further scheme of the utility model, a plurality of adjusting locking holes are arranged on the feeding plate adjusting cooperation seat, corresponding holes of corresponding adjustable feeding guide plates are formed in the side edges of the adjustable feeding guide plates, the angle of the adjustable feeding guide plate is adjusted and fixed through cooperation of bolts, and the opening and closing angle of the adjustable feeding guide plate is adjusted.

[0009] As a further scheme of the utility model: the outside of support frame two is fixedly provided with a gearbox, an electric motor is fixedly installed outside the gearbox, the lower part of the outer protection box is a conical surface structure, the lower end of the conical surface structure is provided with a discharge port for respectively discharging small particle seeds and high quality seeds after screening.

[0010] As a further scheme of the utility model: a collecting box is arranged at the discharge port, moving wheels are installed at the bottom of the collecting box, the main body of the push-pull type shielding door is a screening net structure, so that the screening cylinder body has good screening effect.

[0011] As a further scheme of the utility model: the gearbox is a speed reducer, the screening cylinder body rotates at low speed, and the screening speed of the screening cylinder body is 15r / min-60r / min.

[0012] Compared with the prior art, the utility model has the following beneficial effects after adopting the above technical scheme.

[0013] The seed screening and impurity removing device is provided with a screening cylinder body capable of rotating, crop seeds are added into the screening cylinder body, the outer wall of the screening cylinder body is a net structure, and the seeds can be effectively screened during the rotation of the screening cylinder body, the chaff and small particle seeds in the seeds are screened out, when the small particle seeds do not fall, the collecting box is replaced, the push-pull type shielding door is opened, the screening cylinder body is rotated and adjusted, and the high quality seeds can be discharged.

[0014] The outer protection box is provided with adjustable feeding guide plates and feeding plate adjusting and cooperating seats, the feeding position of the outer protection box can be adjusted, the adjustable feeding guide plates are adjusted to an inclined state, the side baffle is installed in the clamping groove, the hopper can be omitted, during the screening process, the two adjustable feeding guide plates can be rotated inward to cover the feeding window and reduce the outward diffusion of dust.

[0015] The specific implementation manners of the utility model will be further described in detail in combination with the drawings. DRAWINGS

[0016] The drawings are part of the present application and serve to provide a further understanding of the utility model, the schematic embodiments of the utility model and the description thereof serve to explain the utility model but do not constitute an improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0017] Fig. 1 It is a structural schematic view of the utility model;

[0018] Fig. 2The front view of the utility model;

[0019] Fig. 3 The front view of the utility model;

[0020] Fig. 4 The installation schematic diagram of the push-pull type shielding door of the utility model.

[0021] In the figure: 1, outer protection box;2, support frame one;3, adjusting rod;4, adjustable feeding guide plate;5, installation clamping groove;6, feeding plate adjusting cooperation seat;7, support fixing hole;8, support frame two;9, gearbox;10, motor;11, material receiving box;12, stable support seat;13, adjusting locking hole;14, auxiliary support seat;15, auxiliary mounting frame;16, discharging port;17, electromagnetic suction block;18, cast iron piece;19, push-pull type shielding door;20, feeding port;21, magnetic suction block;22, electromagnetic limit seat;23, screening cylinder;24, rotating shaft;25, push-pull cooperation slide rail.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely by combining the drawings in the embodiments of the utility model below, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0024] As Figs. 1 to 4As shown, the crop seed screening and impurity removing device comprises an outer protective box 1 and a screening cylinder body 23, one side of the screening cylinder body 23 is provided with a support frame one 2, the other side is provided with a support frame two 8, the top of the outer protective box 1 is provided with a feeding window, the outer side of the feeding window is fixedly provided with a feeding plate adjusting and matching seat 6, both ends of the feeding plate adjusting and matching seat 6 are rotatably connected with adjustable feeding guide plates 4, the adjustable feeding guide plates 4 are provided with mounting clamping grooves 5, a mounting side baffle is arranged in the mounting clamping grooves 5 between the two adjustable feeding guide plates 4, the feeding plate adjusting and matching seat 6 is provided with adjusting and locking holes 13, both ends of the screening cylinder body 23 are fixedly provided with rotating shafts 24, one end of the rotating shaft 24 is connected with the support frame one 2, the other end of the rotating shaft 24 is connected with the support frame two 8, both ends of the screening cylinder body 23 are plate materials, the outer diameter of the screening cylinder body 23 is a mesh structure, the outer diameter of the screening cylinder body 23 is provided with a feeding port 20, both sides of the feeding port 20 are fixedly provided with push-pull matching sliding rails 25, the push-pull matching sliding rails 25 are slidably connected with a push-pull type shielding door 19, one end of the push-pull type shielding door 19 is provided with a cast iron piece 18, the other end is provided with a magnetic attraction piece 21, one end of the outer protective box 1 close to the support frame one 2 is provided with an adjusting rod 3, one end of the adjusting rod 3 in the outer protective box 1 is provided with an electromagnetic attraction piece 17, the outer side of the screening cylinder body 23 is provided with an electromagnetic limiting seat 22, through the cooperation of the electromagnetic limiting seat 22 and the magnetic attraction piece 21, the locking state of the push-pull type shielding door 19 is realized.

[0025] Wherein, the outer side wall of the outer protective box 1 close to the support frame one 2 is fixedly provided with an auxiliary mounting frame 15, the auxiliary mounting frame 15 is fixedly provided with an auxiliary support seat 14, the auxiliary support seat 14 is provided with a U-shaped groove, the cross section of the adjusting rod 3 is matched with the U-shaped groove on the auxiliary support seat 14, to ensure the stability of the adjusting rod 3 in extension and retraction adjustment.

[0026] The outer side of the feeding window of the outer protective box 1 is provided with a support fixing hole 7, the support fixing hole 7 is provided with a stable support seat 12, the support surface of the stable support seat 12 is an inclined surface structure, the included angle between the support inclined surface of the stable support seat 12 and the horizontal direction is 60°, for stably supporting the adjustable feeding guide plate 4 in the inclined state.

[0027] The adjusting and locking holes 13 on the feeding plate adjusting and matching seat 6 are provided with multiple groups, the side edge of the corresponding adjustable feeding guide plate 4 is provided with a hole of corresponding specification, the cooperation of the screw is used to adjust and fix the angle of the adjustable feeding guide plate 4, to realize the adjustment of the opening and closing angle of the adjustable feeding guide plate 4.

[0028] The outer side of the support frame two 8 is fixedly provided with a gearbox 9, the outer part of the gearbox 9 is fixedly connected with a motor 10, the lower part of the outer protective box 1 is a conical surface structure, the lower end of the conical surface structure is provided with a discharge port 16, for discharging the small particle seeds and high-quality seeds screened respectively.

[0029] The bottom of the material collecting box 11 is provided with moving wheels, and the main body of the push-pull type shielding door 19 is a screening net structure, so that the screening cylinder 23 has good screening effect.

[0030] The gearbox 9 is a speed reducer, and the screening cylinder 23 rotates at low speed, and the screening speed of the screening cylinder 23 is 15r / min-60r / min.

[0031] The working principle of the utility model is: when the crop seeds are screened, taking the corn seed screening as an example, the adjustable feeding guide plate 4 on the upper side of the outer protective box 1 is rotated outward, the locking screw is installed into the adjusting locking hole 13, the relative position of the adjustable feeding guide plate 4 and the feeding plate adjusting cooperation seat 6 is locked, then the stable supporting seat 12 is fixedly arranged at the supporting fixed hole 7, the outer side of the adjustable feeding guide plate 4 is stably supported by the stable supporting seat 12, the support stability of the adjustable feeding guide plate 4 is improved, the side baffle with the corresponding inclination angle is installed into the installation clamping groove 5 of the adjustable feeding guide plate 4, the state of large at the top and small at the bottom is formed, the corn seeds are conveniently added, in the process of adding the corn seeds, the feeding opening 20 of the screening cylinder 23 is adjusted to the position corresponding to the feeding window of the outer protective box 1, the size specification of the feeding opening 20 is larger than that of the feeding window, the corn seeds are conveniently added into the screening cylinder 23, after the corn seeds are added into the screening cylinder 23, the adjusting rod 3 is pushed, the electromagnetic suction block 17 on the adjusting rod 3 is in contact with one end of the cast iron piece 18 of the push-pull type shielding door 19, the push-pull type shielding door 19 is moved along the push-pull cooperation sliding rail 25, the magnetic force suction block 21 at the other end of the push-pull type shielding door 19 is in contact with the electromagnet on the electromagnetic limiting seat 22, at this time, the magnetic pole of the electromagnet is opposite to that of the magnetic force suction block 21, the push-pull type shielding door 19 is fixed, the adjusting rod 3 is stretched outward, the adjustable feeding guide plate 4 is turned inward, the feeding window is covered, and the dust is reduced to escape outward.

[0032] The motor 10 works, drives the screening cylinder 23 through the gearbox 9 and the rotating shaft 24, and screens corn seeds, and the chaff and small seeds of the corn seeds are screened out and discharged through the discharge port 16. When the discharge port 16 no longer has the chaff and small seeds screened out, it is indicated that the seed screening has been completed. The seed collection box 11 containing the small seeds is removed, the seed collection box 11 containing high-quality seeds is replaced, the feeding port 20 of the screening cylinder 23 is adjusted to the upward position, and the screening work is stopped. Since the screening cylinder 23 rotates at a low speed, the position of the feeding port 20 can be adjusted. The adjusting rod 3 is pushed, the electromagnetic suction block 17 on the adjusting rod 3 is in contact with the cast iron piece 18, the magnetic pole of the electromagnetic limit seat 22 is changed by changing the current direction, the same polarity repels each other, the adjusting rod 3 is stretched outward, the push-pull type shielding door 19 is opened, the position of the feeding port 20 of the screening cylinder 23 is adjusted to the downward state, and the screened high-quality seeds can be discharged.

[0033] The seed screening and impurity removing device is provided with the screening cylinder 23 which can rotate, crop seeds are added into the screening cylinder 23, the outer wall of the screening cylinder 23 is in a mesh structure, the seeds can be effectively screened during the rotation of the screening cylinder 23, the chaff and small seeds in the seeds are screened out, when the small seeds are not fallen, the seed collection box 11 is replaced, the push-pull type shielding door 19 is opened, and the high-quality seeds can be discharged by rotating the adjusting screening cylinder 23. The adjustable feeding guide plate 4 and the feeding plate adjusting and cooperating seat 6 are arranged on the outer protection box 1, the feeding position of the outer protection box 1 can be adjusted, the adjustable feeding guide plate 4 is adjusted to the inclined state, the side baffle is installed in the mounting groove 5, and the funnel can be omitted. During the screening process, the two adjustable feeding guide plates 4 can be rotated inward to cover the feeding window, and the dust is reduced to escape outward.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above, it is not intended to limit the utility model. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the utility model, and equivalent embodiments with equivalent changes are obtained. Any simple modification, equivalent change and modification of the above-mentioned embodiments based on the technical essence of the utility model are still within the scope of the utility model.

Claims

1. A device for screening and cleaning crop seeds, comprising an outer protective box (1) and a screening cylinder (23), characterized in that, The side of the screening barrel (23) is provided with a support frame one (2), and the other side is provided with a support frame two (8), the top of the outer protective box (1) is provided with a feeding window, the outer side of the feeding window is fixedly provided with a feeding plate adjusting fitting seat (6), the two ends of the feeding plate adjusting fitting seat (6) are rotatably connected with adjustable feeding guide plates (4), the adjustable feeding guide plates (4) are provided with mounting clamping grooves (5), and the mounting clamping grooves (5) between the two adjustable feeding guide plates (4) are matched with side baffles, the feeding plate adjusting fitting seat (6) is provided with an adjusting locking hole (13), the two ends of the screening barrel (23) are fixedly provided with rotating shafts (24), one end of the rotating shaft (24) is connected with the support frame one (2), the other end of the rotating shaft (24) is connected with the support frame two (8), the two ends of the screening barrel (23) are plate materials, the outer diameter of the screening barrel (23) is a mesh structure, the outer diameter of the screening barrel (23) is provided with a feeding port (20), the two sides of the feeding port (20) are fixedly provided with push-pull cooperation sliding rails (25), the push-pull cooperation sliding rails (25) are slidably connected with push-pull type shielding doors (19), one end of the push-pull type shielding door (19) is provided with a cast iron piece (18) close to the support frame one (2), and the other end is provided with a magnetic attraction block (21), one end of the outer protective box (1) close to the support frame one (2) is provided with an adjusting rod (3), one end of the adjusting rod (3) in the outer protective box (1) is provided with an electromagnetic attraction block (17), and the outer side of the screening barrel (23) is provided with an electromagnetic limiting seat (22).

2. The crop seed screening and cleaning apparatus of claim 1, wherein, The outer side wall of the outer protective box (1) close to the support frame one (2) is fixedly provided with an auxiliary mounting frame (15), the auxiliary mounting frame (15) is fixedly provided with an auxiliary support seat (14), the auxiliary support seat (14) is provided with a U-shaped groove, and the section of the adjusting rod (3) is matched with the U-shaped groove on the auxiliary support seat (14).

3. The crop seed screening and cleaning apparatus of claim 2, wherein, The outer side of the feeding window of the outer protective box (1) is provided with a support fixing hole (7), and the support fixing hole (7) is provided with a stable support seat (12). The support surface of the stable support seat (12) is an inclined surface structure, and the included angle between the support inclined surface of the stable support seat (12) and the horizontal direction is 60°.

4. The crop seed screening and cleaning apparatus of claim 3, wherein, A plurality of adjusting locking holes (13) are arranged on the feeding plate adjusting fitting seat (6), corresponding holes of corresponding adjustable feeding guide plates (4) are arranged on the side edges of the adjusting locking holes (13), and the angles of the adjustable feeding guide plates (4) are adjusted and fixed by cooperating bolts.

5. The crop seed screening and cleaning apparatus of claim 4, wherein, The outer side of the support frame two (8) is fixedly provided with a gearbox (9), the outer side of the gearbox (9) is fixedly provided with an electromotor (10), and the lower part of the outer protective box (1) is a conical surface structure, and the lower end of the conical surface structure is provided with a discharge port (16).

6. The crop seed screening and cleaning apparatus of claim 5, wherein, The blanking port (16) is provided with a receiving box (11), the bottom of the receiving box (11) is provided with movable wheels, and the main body of the push-pull type shielding door (19) is a screening net structure.

7. The crop seed screening and cleaning apparatus of claim 6, wherein, The gearbox (9) is a speed reducer, and the screening barrel (23) rotates at low speed.

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