Agricultural seed screening and dust removing device

Abstract

The utility model discloses an agricultural seed screening and dust removing device which comprises a screening box, dust suction pipes are arranged between the front inner wall and the rear inner wall of the screening box respectively, and the agricultural seed screening and dust removing device further comprises a shaking mechanism. The shaking mechanism comprises sliding grooves, sliding rods, sliding blocks, a screen and springs, the sliding grooves are formed in the front inner wall and the rear inner wall of the screening box, the sliding rods are arranged between the left inner wall and the right inner wall of each sliding groove, the sliding blocks are slidably connected into the sliding grooves, and the middles of the sliding blocks are slidably connected with the outer portions of the sliding rods in the sliding grooves on the same side; the top ends of the two sliding blocks are fixedly connected with the bottom end of a screen, the sliding rods are sleeved with the springs correspondingly, and the springs are located between the left inner wall and the right inner wall of the sliding groove on the same side and the adjacent side faces of the sliding blocks. The relatively stable adhesion state between the dust and the seeds is broken through, and the dust and the seeds are effectively separated.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural seed screening dust removal equipment technical field, concretely is a kind of agricultural seed screening dust removal device. BACKGROUND

[0002] Agricultural seed is the basic element of agricultural production, they carry the key information of crop growth and development and final yield and quality, in actual agricultural production process, just harvested or after preliminary treatment Seed often cannot directly reach the above-mentioned high-quality seed standard, they can mix with various impurities, such as soil, stone, plant residue etc.;At the same time, seed surface can also be attached with a large amount of dust, these can affect the purity, activity and storage performance of seed;In order to improve the quality of seed, make it more meet the requirements of agricultural production, agricultural seed screening dust removal device emerges as the times require

[0003] The existing agricultural seed screening dust removal device, staff pours seed into screen, when seed falls through screen, blow away impurities on seed by air blower;

[0004] The existing agricultural seed screening dust removal device, when screening a large number of seeds, staff needs to constantly stir seed on screen, so that it can be evenly distributed on screen and smoothly pass screening, therefore, we propose a kind of agricultural seed screening dust removal device. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem to overcome the existing defects, provide a kind of agricultural seed screening dust removal device, high degree of automation can help seed better dispersion on screen, improve the pass rate of seed screening, break the relatively stable attachment state between dust and seed, effectively separate dust and seed, can effectively solve the problems in background art.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of agricultural seed screening dust removal device, including screening box, the front and rear inner walls of the screening box are respectively equipped with dust extraction pipe, still include shaking mechanism;

[0007] Shaking mechanism: it includes sliding slot, slide bar, sliding block, screen and spring, the front and rear inner walls of the screening box are all provided with sliding slot, the left and right inner walls of sliding slot are respectively equipped with slide bar, the inside of sliding slot is respectively slidably connected with sliding block, the middle part of sliding block is slidably connected with the outer portion of slide bar in the sliding slot of same side, the top of two sliding blocks is fixedly connected with the bottom end of a screen, spring is respectively sleeved on the outer portion of slide bar, and spring is located between the left and right inner walls of the sliding slot of same side and the adjacent side of sliding block, high degree of automation can help seed better dispersion on screen, improve the pass rate of seed screening, break the relatively stable attachment state between dust and seed, effectively separate dust and seed.

[0008] Further, the front side of the screening box is provided with a single-chip microcomputer, the input end of the single-chip microcomputer is electrically connected with an external power supply, and each electric appliance is electrically connected.

[0009] Further, the shaking mechanism further comprises rotating columns, rotating blocks, connecting rods and rotating shafts, the front and rear inner walls of the screening box are rotationally connected with the rotating columns, the middle portions of the rotating columns are fixedly sleeved with the rotating blocks, the top ends of the rotating blocks close to the center of the screening box are rotationally connected with the connecting rods through pin shafts respectively, the sides close to the center of the screening box of the sliding blocks are respectively provided with the rotating shafts, the left ends of the connecting rods are rotationally connected with the rotating shafts on the same side, and stable shaking is realized.

[0010] Further, the screening box is provided with a single-chip microcomputer, the input end of the single-chip microcomputer is electrically connected with an external power supply, and each electric appliance is electrically connected.

[0011] Further, the left and right sides of the screening box are provided with discharge ports, the interiors of the discharge ports are respectively provided with guide plates, the guide plates are all installed in cooperation with the screen meshes, and the seeds that do not pass through are conveniently discharged.

[0012] Further, the front side of the screening box is provided with a single-chip microcomputer, the input end of the single-chip microcomputer is electrically connected with an external power supply, and each electric appliance is electrically connected.

[0013] Further, the rear side of the screening box is provided with a storage box, the rear ends of the dust extraction pipes are connected with the interiors of the storage box, the rear ends of the dust extraction pipes are respectively connected with the exhaust fans in series, the input ends of the exhaust fans are electrically connected with the output end of the single-chip microcomputer, and dust removal of the seeds is realized.

[0014] Compared with the prior art, the agricultural seed screening and dust removal device has the following advantages:

[0015] The rotation of the rotating block driven by the motor makes the connecting rod pull the sliding block to slide in the sliding groove, and then makes the screen mesh slide in the sliding groove, and under the spring rebounding action of the sliding block, the screen mesh shakes in the sliding groove, so that the seeds are not manually turned by the staff, the flowability of the seeds on the screen mesh is enhanced, the adhesion state of the dust and the seeds is destroyed, and the dust is more easily separated from the seeds. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the utility model;

[0018] Fig. 3The utility model discloses a front side sectional view's structure schematic diagram.

[0019] In the drawing: 1 sieve box, 2 dust extraction pipe, 3 discharge port, 4 material guide plate, 5 single-chip microcomputer, 6 shaking mechanism, 61 sliding groove, 62 sliding rod, 63 sliding block, 64 screen, 65 spring, 66 rotating column, 67 rotating block, 68 connecting rod, 69 rotating shaft, 7 motor, 8 storage box, 9 air extractor, 10 storage box. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figs. 1-3 The embodiment provides a technical scheme: an agricultural seed screening and dust removal device, which comprises a sieve box 1, dust extraction pipes 2 are arranged between the front and rear inner walls of the sieve box 1, further comprises a shaking mechanism 6, a single-chip microcomputer 5 is arranged on the front side of the sieve box 1, the input end of the single-chip microcomputer 5 is electrically connected with an external power supply, discharge ports 3 are formed in the left and right sides of the sieve box 1, material guide plates 4 are arranged in the discharge ports 3, the material guide plates 4 are all installed in cooperation with the screens 64, a storage box 10 is slidably connected to the front side of the sieve box 1, a pull rod is arranged on the front side of the storage box 10, a storage box 8 is arranged on the rear side of the sieve box 1, the rear ends of the dust extraction pipes 2 are all connected with the inside of the storage box 8, air extractors 9 are connected in series in the rear ends of the dust extraction pipes 2, the input ends of the air extractors 9 are all electrically connected with the output end of the single-chip microcomputer 5, the screened seeds will fall in the inside of the storage box 10, the seeds that do not pass through the screens 64 will fall on the upper ends of the material guide plates 4 under the shaking of the screens 64 and be discharged through the discharge ports 3, in the screening process, the seeds on the screens 64 will constantly tumble, at this time, the adhesion of dust to the surface of the seeds is relatively weak, under the frequent tumbling of the seeds, the dust will gradually separate from the surface of the seeds, and then the air extractors 9 start to operate under the regulation of the single-chip microcomputer 5, and the separated dust is extracted to the inside of the storage box 8 through the dust extraction pipes 2.

[0022] The shaking mechanism 6 comprises a sliding groove 61, a sliding rod 62, a sliding block 63, a screen 64 and a spring 65. The front and rear inner walls of the screening box 1 are provided with the sliding grooves 61. The left and right inner walls of the sliding groove 61 are respectively provided with the sliding rods 62. The inner part of the sliding groove 61 is respectively connected with the sliding block 63. The middle part of the sliding block 63 is connected with the outer part of the sliding rod 62 in the same side of the sliding groove 61. The top end of the two sliding blocks 63 is fixedly connected with the bottom end of one screen 64. The spring 65 is sleeved on the outer part of the sliding rod 62. The spring 65 is located between the left and right inner walls of the same side of the sliding groove 61 and the adjacent side of the sliding block 63. The shaking mechanism 6 further comprises a rotating column 66, a rotating block 67, a connecting rod 68 and a rotating shaft 69. The front and rear inner walls of the screening box 1 are rotatably connected with the rotating column 66. The middle part of the rotating column 66 is fixedly sleeved with the rotating block 67. The side top end of the rotating block 67 close to the center of the screening box 1 is rotatably connected with the connecting rod 68 through a pin shaft. The side close to the center of the screening box 1 of the sliding block 63 is provided with the rotating shaft 69. The left end of the connecting rod 68 is rotatably connected with the rotating shaft 69 on the same side. The motor 7 is arranged on the front and rear sides of the screening box 1. The output shaft of the motor 7 is fixedly connected with the end of the rotating column 66 away from the center of the screening box 1 on the same side. The input end of the motor 7 is electrically connected with the output end of the single-chip microcomputer 5. When the agricultural seeds need to be screened and dusted, first, open the hinged cover plate at the top end of the screening box 1. Pour the seeds to be screened and dusted into the inside of the screening box 1. Close the cover plate. Through the regulation and control of the single-chip microcomputer 5, the motor 7 starts to operate. The output shaft drives the rotating column 66 to start rotating, and then the rotating block 67 starts to rotate with the rotating column 66 as the center. Through the connecting rod 68, the sliding block 63 slides left and right in the inside of the sliding groove 61. Through the rebounding effect of the springs 65 at the left and right ends of the sliding block 63, the screen 64 slides left and right in the inside of the sliding groove 61. The screen 64 screens the seeds that need to be screened.

[0023] The working principle of the agricultural seed screening and dust removing device is as follows: when agricultural seeds need to be screened and dust removed, first, open the hinge cover plate at the top end of the screening box 1, pour the seeds to be screened and dust removed into the inside of the screening box 1, close the cover plate, control by the single-chip microcomputer 5, the motor 7 starts to run, the output shaft drives the rotating column 66 to start rotating, and then the rotating block 67 starts to rotate with the rotating column 66 as the center, and then through the connecting rod 68, the sliding block 63 slides left and right in the inside of the sliding groove 61, and then through the spring 65 at the left and right ends of the sliding block 63, the screen 64 slides left and right in the inside of the sliding groove 61, the screen 64 screens the seeds that need to be screened, and the screened seeds fall into the inside of the storage box 10, and the seeds that do not pass through the screen 64 fall on the upper end of the guide plate 4 under the shaking of the screen 64 and are discharged through the discharge port 3, in the screening process, the seeds on the screen 64 will constantly tumble, at this time, the adhesion of dust to the surface of the seeds is relatively weak, under the frequent tumbling of the seeds, the dust will gradually separate from the surface of the seeds, and then control by the single-chip microcomputer 5, the exhaust fan 9 starts to run, and the separated dust is sucked into the inside of the storage box 8 through the dust extraction pipe 2.

[0024] It is worth noting that the single-chip microcomputer 5, the motor 7 and the exhaust fan 9 disclosed in the above embodiments can be selected as SAMS70, YBE4-0.75KW-2 and Y5-47 respectively, and the single-chip microcomputer 5 controls the motor 7 and the exhaust fan 9 to work by using the method commonly used in the prior art.

[0025] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. An agricultural seed screening and dust removing device, comprising a screening box (1), dust extraction pipes (2) are arranged between the front and rear inner walls of the screening box (1) respectively, characterized in that: It also includes a shaking mechanism (6); The shaking mechanism (6) comprises a sliding groove (61), a sliding rod (62), a sliding block (63), a screen (64) and a spring (65). The front and rear inner walls of the screening box (1) are provided with the sliding grooves (61). The left and right inner walls of the sliding grooves (61) are respectively provided with the sliding rods (62). The inner parts of the sliding grooves (61) are respectively connected with the sliding blocks (63). The middle parts of the sliding blocks (63) are respectively connected with the sliding rods (62) outside the sliding grooves (61) on the same side. The top ends of the two sliding blocks (63) are respectively connected with the bottom ends of the screen (64). The springs (65) are respectively sleeved on the outer parts of the sliding rods (62). The springs (65) are respectively arranged between the left and right inner walls of the sliding grooves (61) on the same side and the adjacent side surfaces of the sliding blocks (63).

2. The agricultural seed screening and dust removing apparatus according to claim 1, characterized in that: The front side of the screening box (1) is provided with a single-chip microcomputer (5). The input end of the single-chip microcomputer (5) is electrically connected with an external power supply.

3. The agricultural seed screening and dust removal apparatus according to claim 2, characterized in that: The shaking mechanism (6) further comprises a rotating column (66), a rotating block (67), a connecting rod (68) and a rotating shaft (69). The front and rear inner walls of the screening box (1) are rotatably connected with the rotating columns (66). The middle parts of the rotating columns (66) are fixedly sleeved with the rotating blocks (67). The rotating blocks (67) are rotatably connected with the connecting rods (68) through pin shafts at the top ends of the sides close to the center of the screening box (1). The sides close to the center of the screening box (1) of the sliding blocks (63) are respectively provided with the rotating shafts (69). The left ends of the connecting rods (68) are rotatably connected with the rotating shafts (69) on the same side.

4. The agricultural seed screening and dust removing apparatus according to claim 3, characterized in that: The motor (7) is arranged on the front and rear sides of the screening box (1). The output shafts of the motors (7) are fixedly connected with the ends of the rotating columns (66) away from the center of the screening box (1) on the same side. The input ends of the motors (7) are electrically connected with the output ends of the single-chip microcomputer (5).

5. The agricultural seed screening and dust removing apparatus according to claim 1, wherein: The left and right sides of the screening box (1) are provided with discharge ports (3). The inner parts of the discharge ports (3) are respectively provided with guide plates (4). The guide plates (4) are cooperatively arranged with the screens (64).

6. The agricultural seed screening and dust removing apparatus according to claim 1, wherein: The front side of the screening box (1) is slidably connected with a storage box (10). The front side of the storage box (10) is provided with a pull rod.

7. The agricultural seed screening and dust removing apparatus according to claim 2, characterized in that: The rear side of the screening box (1) is provided with a storage box (8). The rear ends of the dust extraction pipes (2) are connected with the interiors of the storage box (8). The rear ends of the dust extraction pipes (2) are respectively connected with the dust extraction fans (9) in series. The input ends of the dust extraction fans (9) are electrically connected with the output ends of the single-chip microcomputer (5).

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