Seed screening equipment

Abstract

The utility model relates to the technical field of screening equipment, and discloses seed screening equipment, a box door is arranged on the front side of a screening box, a screening mechanism is arranged outside the screening box, and an inclined mechanism is arranged at the top of a bottom plate. Through the arranged screening mechanism, in the using process, a first motor is started, a first belt wheel is made to rotate, under cooperation of a transmission belt, a second belt wheel and a second rotating column are made to rotate, and under cooperation of a baffle, seeds conveniently fall into a screening box in batches; and under the cooperation of a dust suction cover and a filter screen, dust can be conveniently cleaned, the situation that dust drifts away during follow-up seed discharging is avoided, a first rotating column rotates along with rotation of a first belt wheel, under the cooperation of an extrusion block, a connecting plate and a sliding rod move, and under the cooperation of a spring and a screening plate, the seeds are screened.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a seed screening equipment. Background Art

[0002] Seeds are reproductive bodies unique to gymnosperms and angiosperms, which are formed by ovules through pollination and fertilization. Seeds are generally composed of three parts: seed coat, embryo and endosperm. Some mature seeds of plants only have seed coat and embryo. Before seeds are planted, screening equipment is needed to screen the seeds.

[0003] According to the description of a seed screening device disclosed in the patent website (authorization announcement number: CN 220425922 U), "The utility model discloses a seed screening device, which belongs to the field of seed processing technology, and aims at the problem that the screening amount is large when screening seeds and affects the screening effect and the screening efficiency is low. It includes a screening box, the top of the screening box is connected to a feeding cylinder, the top of the feeding cylinder is connected to a feeding hopper, and a feeding assembly is arranged inside the feeding hopper. Two symmetrically arranged slide grooves are respectively arranged on the inner walls of the two sides of the screening box, and a screen plate is slidably connected between the two parallel slide grooves, and a screening assembly is arranged between the two screen plates; the utility model discharges the seeds in the feeding hopper in batches through the feeding assembly, which can make the seed screening more uniform and thorough, and will not cause accumulation and insufficient screening, thereby improving the screening effect and screening efficiency. The two screen plates are driven by the screening assembly to reciprocate to screen the seeds, which can improve the seed screening effect and make the seeds more uniform and thorough."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model drives the half gear to reciprocately mesh with the two rack plates through a driving motor, and can drive the two screen plates to move back and forth to screen the seeds, thereby improving the seed screening effect. However, in actual use, it is easy for the seeds to contact the rack plates, and the rack plates cannot be accurately meshed with the half gear, which affects the seed screening work and has certain limitations. Therefore, it is necessary to improve a seed screening device to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a seed screening device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seed screening device, comprising a screening box and a bottom plate, a box door is arranged on the front of the screening box, a screening mechanism is arranged on the outside of the screening box, and a tilting mechanism is arranged on the top of the bottom plate.

[0008] The screening mechanism comprises a moving component and a material discharging component. The moving component is arranged outside the screening box, and the material discharging component is arranged outside the screening box.

[0009] Preferably, the moving assembly includes a U-shaped frame, the U-shaped frame is fixedly mounted on the right side of the screening box, a first motor is fixedly mounted on the back of the U-shaped frame, a first pulley is fixedly mounted on the output end of the first motor, a first rotating column is fixedly mounted on the front of the first pulley, an extrusion block is fixedly mounted on the end of the first rotating column away from the first pulley, a sliding rod is slidably mounted inside the screening box, a connecting plate is fixedly mounted on the outer side of the sliding rod, the extrusion block and the connecting plate are slidably mounted, a screen plate is fixedly mounted on the end of the sliding rod away from the connecting plate, and a spring is fixedly mounted between the screen plate and the screening box to facilitate seed screening.

[0010] Preferably, a through hole is opened inside the U-shaped frame at a position corresponding to the first rotating column, and the first rotating column passes through the through hole, so as to facilitate the smooth rotation of the first rotating column.

[0011] Preferably, a slide groove is provided inside the screening box at a position corresponding to the screen plate, and the screen plate is slidably installed in the slide groove to facilitate the movement of the screen plate.

[0012] Preferably, the unloading assembly includes a vertical plate, which is fixedly mounted on the top of the screening box, a second pulley is rotatably mounted on the back of the vertical plate, a transmission belt is installed on the external transmission of the second pulley, the transmission belt is transmission-mounted with the first pulley, a second rotating column is fixedly mounted on the front of the second pulley, the second rotating column is rotatably mounted with the vertical plate, a unloading hopper is fixedly mounted inside the screening box, a baffle is fixedly mounted outside the second rotating column, a dust hood is fixedly mounted inside the unloading hopper, a filter is fixedly mounted inside the dust hood, and a dust outlet pipe is fixedly mounted inside the dust hood, so as to facilitate the unloading of seeds.

[0013] Preferably, a through hole is opened inside the lower hopper at a position corresponding to the second rotating column, and the second rotating column passes through the through hole to facilitate the smooth rotation of the second rotating column.

[0014] Preferably, the tilting mechanism includes a first connecting seat, the first connecting seat is fixedly mounted on the top of the base plate, a first rotating block is rotatably mounted on the inner wall of the first connecting seat, a hydraulic rod is fixedly mounted on the top of the first rotating block, a second rotating block is fixedly mounted on the output end of the hydraulic rod, a second connecting seat is rotatably mounted on the outside of the second rotating block, the second connecting seat is fixedly mounted on the screening box, a vertical pole is fixedly mounted on the top of the base plate, and the vertical pole is rotatably mounted on the screening box to facilitate seed feeding.

[0015] Compared with the prior art, the utility model provides a seed screening device with the following beneficial effects:

[0016] 1. The seed screening device, through the screening mechanism set up, during use, by starting the first motor, the first pulley is rotated, with the cooperation of the transmission belt, the second pulley and the second rotating column are rotated, with the cooperation of the baffle, the seeds are convenient to fall into the interior of the screening box in batches, by connecting the dust outlet pipe with the dust suction device, with the cooperation of the dust suction hood and the filter net, it is convenient to clean the dust, and avoid the dust from floating when the seeds are subsequently fed, with the rotation of the first pulley, the first rotating column is rotated, with the cooperation of the extrusion block, the connecting plate and the slide rod are moved, and with the cooperation of the spring and the screen plate, the seeds are screened.

[0017] 2. The seed screening equipment, through the tilting mechanism, can start the hydraulic rod during use, and with the cooperation of the first connecting seat, the first rotating block, the second rotating block, the second connecting seat and the vertical rod, it is convenient to tilt the screening box forward, and by opening the box door, it is convenient to unload seeds or impurities, thereby increasing work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the position relationship of the first motor of the utility model;

[0022] Figure 4 This is a schematic diagram of the position relationship of the screen plates of the utility model;

[0023] Figure 5 This is a schematic diagram of the position relationship of the second pulley of the utility model;

[0024] Figure 6 This is a schematic diagram of the position relationship of the baffles of the utility model;

[0025] Figure 7 This is a schematic diagram of the tilting mechanism structure of the utility model.

[0026] In the figure: 1. screening box; 2. bottom plate; 3. box door; 4. screening mechanism; 41. moving assembly; 411. U-shaped frame; 412. first motor; 413. first pulley; 414. first rotating column; 415. extrusion block; 416. sliding rod; 417. connecting plate; 418. sieve plate; 419. spring; 42. unloading assembly; 421. vertical plate; 422. second pulley; 423. transmission belt; 424. second rotating column; 425. unloading hopper; 426. baffle; 427. dust hood; 428. filter screen; 429. dust outlet pipe; 5. tilting mechanism; 501. first connecting seat; 502. first rotating block; 503. hydraulic rod; 504. second rotating block; 505. second connecting seat; 506. vertical rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1:

[0030] See also Figure 1-6 The utility model provides a technical solution: a seed screening device, including a screening box 1 and a bottom plate 2, a box door 3 is arranged on the front of the screening box 1, a screening mechanism 4 is arranged on the outside of the screening box 1, and a tilting mechanism 5 is arranged on the top of the bottom plate 2.

[0031] The screening mechanism 4 comprises a moving assembly 41 and a material discharge assembly 42 . The moving assembly 41 is arranged outside the screening box 1 , and the material discharge assembly 42 is arranged outside the screening box 1 .

[0032] Furthermore, the moving component 41 includes a U-shaped frame 411, which is fixedly installed on the right side of the screening box 1. A first motor 412 is fixedly installed on the back of the U-shaped frame 411, a first pulley 413 is fixedly installed on the output end of the first motor 412, a first rotating column 414 is fixedly installed on the front of the first pulley 413, an extrusion block 415 is fixedly installed on the end of the first rotating column 414 away from the first pulley 413, a slide rod 416 is slidably installed inside the screening box 1, a connecting plate 417 is fixedly installed on the outer side of the slide rod 416, the extrusion block 415 and the connecting plate 417 are slidably installed, a screen plate 418 is fixedly installed on the end of the slide rod 416 away from the connecting plate 417, and a spring 419 is fixedly installed between the screen plate 418 and the screening box 1 to facilitate the screening of seeds.

[0033] Furthermore, a through hole is opened inside the U-shaped frame 411 at a position corresponding to the first rotating post 414 , and the first rotating post 414 passes through the through hole, so as to facilitate the smooth rotation of the first rotating post 414 .

[0034] Furthermore, a slide groove is provided inside the screening box 1 at a position corresponding to the sieve plate 418 , and the sieve plate 418 is slidably installed in the slide groove to facilitate the movement of the sieve plate 418 .

[0035] Furthermore, the unloading assembly 42 includes a vertical plate 421, which is fixedly installed on the top of the screening box 1, a second pulley 422 is rotatably installed on the back of the vertical plate 421, a transmission belt 423 is installed on the external transmission of the second pulley 422, the transmission belt 423 is transmission-installed with the first pulley 413, a second rotating column 424 is fixedly installed on the front of the second pulley 422, the second rotating column 424 is rotatably installed with the vertical plate 421, a unloading hopper 425 is fixedly installed inside the screening box 1, a baffle 426 is fixedly installed outside the second rotating column 424, a dust hood 427 is fixedly installed inside the unloading hopper 425, a filter screen 428 is fixedly installed inside the dust hood 427, and a dust outlet pipe 429 is fixedly installed inside the dust hood 427, so as to facilitate the unloading of seeds.

[0036] Furthermore, a through hole is opened inside the lower hopper 425 at a position corresponding to the second rotating column 424 , and the second rotating column 424 passes through the through hole, so as to facilitate the smooth rotation of the second rotating column 424 .

[0037] Embodiment 2:

[0038] See also Figure 7, and combined with Example 1, it is further obtained that the tilting mechanism 5 includes a first connecting seat 501, the first connecting seat 501 is fixedly installed on the top of the base plate 2, a first rotating block 502 is rotatably installed on the inner wall of the first connecting seat 501, a hydraulic rod 503 is fixedly installed on the top of the first rotating block 502, a second rotating block 504 is fixedly installed on the output end of the hydraulic rod 503, a second connecting seat 505 is rotatably installed on the outside of the second rotating block 504, the second connecting seat 505 is fixedly installed with the screening box 1, a vertical rod 506 is fixedly installed on the top of the base plate 2, and the vertical rod 506 is rotatably installed with the screening box 1, which is convenient for seed feeding.

[0039] In actual operation, when the device is used, the first motor 412 is started to rotate the first pulley 413, and the second pulley 422 and the second rotating column 424 are rotated with the cooperation of the transmission belt 423. With the cooperation of the baffle 426, the seeds fall into the screening box 1 in batches. The dust outlet pipe 429 is connected to the dust collection device, and the dust cover 427 and the filter screen 428 are cooperated to facilitate dust cleaning, so as to avoid dust from floating when the seeds are subsequently unloaded. The rotation of the wheel 413 causes the first rotating column 414 to rotate, and with the cooperation of the extrusion block 415, the connecting plate 417 and the sliding rod 416 are moved, and with the cooperation of the spring 419 and the screen plate 418, the seeds are screened. By starting the hydraulic rod 503, with the cooperation of the first connecting seat 501, the first rotating block 502, the second rotating block 504, the second connecting seat 505 and the vertical rod 506, the screening box 1 is easily tilted forward, and by opening the box door 3, the unloading of seeds or impurities is facilitated, thereby increasing work efficiency.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A seed screening device, comprising a screening box (1) and a bottom plate (2), characterized in that: The front of the screening box (1) is provided with a box door (3), the outside of the screening box (1) is provided with a screening mechanism (4), and the top of the bottom plate (2) is provided with a tilting mechanism (5); The screening mechanism (4) comprises a moving component (41) and a material discharge component (42); the moving component (41) is arranged outside the screening box (1), and the material discharge component (42) is arranged outside the screening box (1); The moving assembly (41) comprises a U-shaped frame (411), wherein the U-shaped frame (411) is fixedly mounted on the right side of the screening box (1), a first motor (412) is fixedly mounted on the back of the U-shaped frame (411), a first belt pulley (413) is fixedly mounted on the output end of the first motor (412), a first rotating column (414) is fixedly mounted on the front of the first belt pulley (413), an extrusion block (415) is fixedly mounted on one end of the first rotating column (414) away from the first belt pulley (413), a sliding rod (416) is slidably mounted inside the screening box (1), a connecting plate (417) is fixedly mounted on the outer side of the sliding rod (416), the extrusion block (415) and the connecting plate (417) are slidably mounted, a screen plate (418) is fixedly mounted on one end of the sliding rod (416) away from the connecting plate (417), and a spring (419) is fixedly mounted between the screen plate (418) and the screening box (1); The material discharge assembly (42) comprises a vertical plate (421), the vertical plate (421) being fixedly mounted on the top of the screening box (1), a second pulley (422) being rotatably mounted on the back of the vertical plate (421), a transmission belt (423) being mounted on the outside of the second pulley (422), the transmission belt (423) being transmission-mounted with the first pulley (413), a second rotating column (424) being fixedly mounted on the front of the second pulley (422), the second rotating column (424) being rotatably mounted with the vertical plate (421), a material discharge hopper (425) being fixedly mounted inside the screening box (1), a baffle (426) being fixedly mounted outside the second rotating column (424), a dust hood (427) being fixedly mounted inside the material discharge hopper (425), a filter screen (428) being fixedly mounted inside the dust hood (427), and a dust outlet pipe (429) being fixedly mounted inside the dust hood (427).

2. A seed screening device according to claim 1, characterized in that: A through hole is provided inside the U-shaped frame (411) at a position corresponding to the first rotating column (414), and the first rotating column (414) passes through the through hole.

3. A seed screening device according to claim 1, characterized in that: A slide groove is provided inside the screening box (1) at a position corresponding to the screen plate (418), and the screen plate (418) is slidably mounted in the slide groove.

4. A seed screening device according to claim 1, characterized in that: A through hole is provided inside the lower hopper (425) at a position corresponding to the second rotating column (424), and the second rotating column (424) passes through the through hole.

5. A seed screening device according to claim 4, characterized in that: The tilting mechanism (5) comprises a first connecting seat (501), the first connecting seat (501) being fixedly mounted on the top of the bottom plate (2), a first rotating block (502) being rotatably mounted on the inner wall of the first connecting seat (501), a hydraulic rod (503) being fixedly mounted on the top of the first rotating block (502), a second rotating block (504) being fixedly mounted on the output end of the hydraulic rod (503), a second connecting seat (505) being rotatably mounted on the outside of the second rotating block (504), the second connecting seat (505) being fixedly mounted on the screening box (1), a vertical rod (506) being fixedly mounted on the top of the bottom plate (2), and the vertical rod (506) being rotatably mounted on the screening box (1).

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