Seed screening equipment for agricultural technology popularization
By designing a seed screening equipment for agricultural technology promotion, the first and second selection mechanisms are used to realize the left and right movement of the screening frame and the screening net, which solves the problem of low screening efficiency in the existing technology and achieves high efficiency. Seed screening.
Patent Information
- Application Number
- CN202411443334.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-01-24
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing seed screening device is not convenient to drive the screen to move left and right during the screening process, resulting in a small shaking range and low screening efficiency. It takes multiple screenings to siev the stear and small seeds, which is a waste of time.
The design of agricultural technology promotion seed screening equipment, including the bottom plate, installation board, screening network, U -shaped board, and screening box. By setting up the first and second screening mechanisms Seed vibration amplitude.
It improves the screening efficiency of seeds, shortens the screening time, and can more effectively screen out grains and small seeds. It is suitable for high-efficiency screening processing of wheat seeds.
Smart Images
Figure CN119346413A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of seed screening equipment, and in particular to a seed screening equipment for agricultural technology promotion. Background Art
[0002] Agricultural technology extension refers to the activities of popularizing and applying scientific and technological achievements and practical technologies applied to planting, forestry, animal husbandry and fishery to the whole process of pre-production, production and post-production of agricultural production through experiments, demonstrations, training, guidance and consulting services. Seed screening is one of the methods of crop seed cleaning. Seed screens with different mesh sizes and shapes are used to screen out inclusions, barren grains and small seeds from seeds, and select large, plump and neat high-quality seeds to improve seed quality, so as to grow good crops. Seed screening equipment is needed; An existing seed screening device for agricultural technology promotion comprises a screening box, the upper end of the screening box is fixedly connected with a feeding port, the lower part of the screening box is provided with a base frame, the left end of the screening box is fixedly connected with a left feeding plate, the right end of the screening box is fixedly connected with a right feeding plate, the upper end of the base frame is provided with a notch, the left part of the front groove wall of the notch and the right part of the front groove wall are fixedly connected with a limited round rod, the two limited round rods are movably connected with the screening box, and the front end of the base frame is fixedly connected with a pushing device. The seed screening device for agricultural technology promotion described in the utility model can prevent seeds from being stuck on the drying net and unable to fall during the screening process through the provided pushing device; When the seed screening device is in use, the screening box is driven by the pushing device to move forward and backward to screen the seeds. During the screening process, it is inconvenient to drive the screen to move left and right, so that the shaking amplitude of the seeds is small, resulting in low screening efficiency. Multiple screenings are required to screen out the unripe seeds and small seeds, which wastes time, is not conducive to efficient seed screening, and is very inconvenient to use. Based on this, the present invention provides a seed screening device for agricultural technology promotion to solve the problems raised in the above background technology. Summary of the invention
[0003] In view of the above problems, the present invention provides a seed screening device for promoting agricultural technology, which solves the problem that the existing seed screening device is inconvenient to drive the screen to move left and right during the screening process, resulting in a small shaking amplitude of the seeds, resulting in low screening efficiency, and multiple screenings are required to screen out the barren grains and small seeds, which is time-consuming and not conducive to efficient seed screening.
[0004] The technical solution of the present invention is: an agricultural technology promotion seed screening device, comprising a bottom plate, a mounting plate, a screening net, a U-shaped plate and a screening frame; A mounting plate is vertically arranged on the bottom plate, and a U-shaped horizontal plate is slidably arranged on the front side of the mounting plate; A first screening mechanism is provided between the mounting plate and the U-shaped plate transverse plate to drive the U-shaped plate to screen left and right; The same screening frame is provided slidingly on the two vertical plates of the U-shaped plate; A second screening mechanism is provided between the two vertical plates of the U-shaped plate and the screening frame to drive the screening frame to screen forward and backward, and the second screening mechanism is driven by the first screening mechanism; A screening net is provided at the bottom of the screening frame between the two vertical plates of the U-shaped plate; A cleaning mechanism for preventing the screening net from being blocked is provided between the two vertical plates of the U-shaped plate and the screening net, and the cleaning mechanism is driven by the second screening mechanism.
[0005] Further, the first screening mechanism includes a driving member, a first rotating shaft, a half bevel gear, a first bevel gear, a second rotating shaft, a third bevel gear, a first fixed plate, a second fixed plate, a third fixed plate, a fourth bevel gear, a fifth bevel gear, a third rotating shaft, a fourth rotating shaft, a first rotating rod, a second rotating rod, a fifth rotating shaft, a sixth rotating shaft, a seventh rotating shaft, a third rotating rod, a fourth rotating rod and an eighth rotating shaft, the first fixed plate is vertically connected to the rear side of the mounting plate, a driving member is provided on the bottom plate below the first fixed plate, and the second fixed plate and the third fixed plate are vertically connected to the first fixed plate respectively; A second rotating shaft is rotatably penetrated in the first fixed plate between the second fixed plate and the third fixed plate, a first end of the second rotating shaft is rotatably connected to the bottom plate, two first bevel gears are respectively sleeved on the second rotating shaft below the first fixed plate, a same half bevel gear is detachably meshed and connected between the two first bevel gears, a first end of the first rotating shaft is connected to the half bevel gear, and a second end of the first rotating shaft is connected to an output end of the driving member; The second end of the second rotating shaft is sleeved with a third bevel gear, and the fourth bevel gear and the fifth bevel gear are respectively meshed and connected on both sides of the third bevel gear, and the first end of the third rotating shaft is connected to the fourth bevel gear, and the second end of the third rotating shaft rotates through the second fixed plate and is vertically connected to the first end of the first rotating rod, and the second end of the first rotating rod is vertically connected to the first end of the fifth rotating shaft; The fifth bevel gear is connected to the first end of the fourth rotating shaft, the second end of the fourth rotating shaft is rotatably connected to the third fixed plate, the fourth rotating shaft between the fifth bevel gear and the third fixed plate is sleeved with the first end of the second rotating rod, the second end of the second rotating rod is vertically connected to the first end of the sixth rotating shaft, the second end of the sixth rotating shaft is vertically rotatably connected to the first end of the third rotating rod, the second end of the third rotating rod is vertically connected to the first end of the seventh rotating shaft, and the second end of the seventh rotating shaft is vertically rotatably connected to the first end of the fourth rotating rod; A through first slide groove is provided on the mounting plate at the front side of the fourth rotating rod, the second end of the fourth rotating rod is vertically connected to the first end of the eighth rotating shaft, the second end of the eighth rotating shaft rotates through the first slide groove and is rotatably connected to the U-shaped plate cross plate, and the second end of the fifth rotating shaft is rotatably connected to the fourth rotating rod; The second end of the eighth rotating shaft drives the second screening mechanism to work by rotating.
[0006] Further, the second screening mechanism includes a sixth bevel gear, a seventh bevel gear, a ninth rotating shaft, a first sprocket, a chain, a second sprocket, a tenth rotating shaft, a fifth rotating rod, a first rotating column, an eleventh rotating shaft, a shifting rod, a second rotating column and a moving rod, a sixth bevel gear is sleeved on a horizontal plate that penetrates the U-shaped plate and rotates at the second end of the eighth rotating shaft, a seventh bevel gear meshing with the sixth bevel gear is provided on one side of the sixth bevel gear, a first end of the ninth rotating shaft is connected to the seventh bevel gear, a second end of the ninth rotating shaft is rotatably connected to one of the vertical plates of the U-shaped plate, and a first sprocket is sleeved on the ninth rotating shaft; A second sprocket is provided on one side of the first sprocket, and meshing chains are provided on the first sprocket and the second sprocket, a tenth rotating shaft runs through the second sprocket, a first end of the tenth rotating shaft is rotatably connected to a vertical plate of a U-shaped plate close to the ninth rotating shaft, a second end of the tenth rotating shaft is vertically connected to a first end of a fifth rotating rod, and a second end of the fifth rotating rod is vertically connected to a first rotating column; An eleventh rotating shaft is provided below the tenth rotating shaft, a first end of the eleventh rotating shaft is rotatably connected to a vertical plate of a U-shaped plate close to a second sprocket, a second end of the eleventh rotating shaft is vertically connected to a first end of a lever, a second sliding groove is provided on the lever, the first rotating column is slidably connected and arranged in the second sliding groove, and a second end of the lever is vertically connected to a second rotating column; A first end of a moving rod is connected to the rear side of the screening frame between the two vertical plates of the U-shaped plate, the moving rod is slidably connected to the vertical plate of the U-shaped plate near the eleventh rotating shaft, a third sliding groove is provided on the second end of the moving rod, and the second rotating column is slidably connected and arranged in the third sliding groove; The filter frame works by moving the drive cleaning mechanism.
[0007] Furthermore, the cleaning mechanism includes a cleaning brush, and the same cleaning brush is provided between two vertical plates of the U-shaped plate on the front side of the moving rod, and the cleaning brush is located at the bottom of the screening net, and the cleaning brush is movably connected to the screening net.
[0008] Furthermore, the driving member is a motor.
[0009] Furthermore, a first T-shaped slide groove is provided on the mounting plate under the first slide groove, a first T-shaped protrusion matching with the first T-shaped slide groove is provided on the U-shaped plate cross plate, and the first T-shaped protrusion is slidably connected and arranged in the first T-shaped slide groove.
[0010] Furthermore, a second T-shaped slot is provided on the vertical plate of the U-shaped plate close to the eleventh rotating shaft, and a second T-shaped protrusion matching with the second T-shaped slot is provided on the moving rod, and the second T-shaped protrusion is slidably connected and arranged in the second T-shaped slot.
[0011] Furthermore, a third T-shaped slot is provided on the two vertical plates of the U-shaped plate, a third T-shaped protrusion matching with the third T-shaped slot is provided on the screening frame, and the third T-shaped protrusion is slidably connected and arranged in the third T-shaped slot.
[0012] Advantages of the present invention: The present invention realizes the reciprocating left-right movement of the screening frame and the screening net for left-right vibration screening of the seeds by setting the first screening mechanism; the present invention realizes the reciprocating left-right movement of the screening frame and the screening net for left-right vibration screening of the seeds by setting the second screening mechanism, while the screening net reciprocating front-back movement is used for front-back vibration screening of the seeds, thereby increasing the vibration amplitude of the seeds, thereby making the seed screening efficiency higher and the screening time shorter, and can better screen out the blighted grains and small seeds, thereby efficiently screening the wheat seeds; the present invention realizes the reciprocating left-right movement of the screening frame and the screening net for left-right vibration screening of the seeds and the reciprocating front-back movement of the screening net for front-back vibration screening of the seeds by setting the cleaning mechanism, while the bottom of the screening net is reciprocated front-back cleaning by the cleaning brush, thereby preventing the blighted grains and small seeds from clogging the screening net during the seed screening process, thereby affecting the screening efficiency; the present invention has a simple and reliable structure, a good seed screening effect, is easy to control, and is suitable for popularization.
[0013] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.
[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the installation of the driving member of the present invention; Figure 3 is a schematic diagram of the installation of the eighth rotating shaft of the present invention; Figure 4 is a schematic diagram of the installation of the second rotating column of the present invention; Figure 5 is a schematic diagram of the installation of the mobile rod of the present invention; Figure 6It is a schematic diagram of the installation of the cleaning brush of the present invention; Figure 7 is a schematic diagram of the installation of the eleventh rotating shaft of the present invention; Figure 8 It is a schematic diagram of the rotation state of the second rotating rod of the present invention.
[0016] Reference numerals: 1 is a bottom plate, 101 is a mounting plate, 102 is a screening net, 2 is a U-shaped plate, 21 is a driving member, 22 is a first rotating shaft, 23 is a semi-bevel gear, 24 is a first bevel gear, 25 is a second rotating shaft, 26 is a third bevel gear, 27 is a first fixed plate, 28 is a second fixed plate, 29 is a third fixed plate, 210 is a fourth bevel gear, 211 is a fifth bevel gear, 212 is a third rotating shaft, 213 is a fourth rotating shaft, 214 is a first rotating rod, 215 is a second rotating rod, 216 is a fifth rotating shaft, 217 is a sixth rotating shaft, 218 is a seventh rotating shaft, The rotating shaft, 219 is the third rotating rod, 220 is the fourth rotating rod, 221 is the eighth rotating shaft, 222 is the first T-shaped protrusion, 3 is the screening frame, 31 is the sixth bevel gear, 32 is the seventh bevel gear, 33 is the ninth rotating shaft, 34 is the first sprocket, 35 is the chain, 36 is the second sprocket, 37 is the tenth rotating shaft, 38 is the fifth rotating rod, 39 is the first rotating column, 310 is the eleventh rotating shaft, 311 is the shifting rod, 312 is the second rotating column, 313 is the moving rod, 314 is the second T-shaped protrusion, 315 is the third T-shaped protrusion, and 4 is the cleaning brush. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0018] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0019] refer to Figures 1 to 8 , an agricultural technology promotion seed screening device, comprising a bottom plate 1, a mounting plate 101, a screening net 102, a U-shaped plate 2 and a screening frame 3; A mounting plate 101 is vertically mounted on the bottom plate 1, and the bottom plate 1 is used to mount the mounting plate 101. A U-shaped plate 2 is slidably mounted on the front side of the mounting plate 101, and the mounting plate 101 is used to mount the U-shaped plate 2. A first screening mechanism is installed between the mounting plate 101 and the horizontal plate of the U-shaped plate 2 to drive the U-shaped plate 2 to screen left and right; The same screening frame 3 is slidably mounted on the two vertical plates of the U-shaped plate 2, and the U-shaped plate 2 is used to mount the screening frame 3; A second screening mechanism is installed between the two vertical plates of the U-shaped plate 2 and the screening frame 3 to drive the screening frame 3 to screen forward and backward, and the second screening mechanism is driven by the first screening mechanism; A screening net 102 is installed at the bottom of the screening frame 3 between the two vertical plates of the U-shaped plate 2; A cleaning mechanism is installed between the two vertical plates of the U-shaped plate 2 and the screening net 102 to prevent the screening net 102 from being blocked, and the cleaning mechanism is driven by the second screening mechanism; The first screening mechanism includes a driving member 21, a first rotating shaft 22, a semi-bevel gear 23, a first bevel gear 24, a second rotating shaft 25, a third bevel gear 26, a first fixed plate 27, a second fixed plate 28, a third fixed plate 29, a fourth bevel gear 210, a fifth bevel gear 211, a third rotating shaft 212, a fourth rotating shaft 213, a first rotating rod 214, a second rotating rod 215, a fifth rotating shaft 216, a sixth rotating shaft 217, a seventh rotating shaft 218, a third rotating rod 219, a fourth rotating rod 220 and an eighth rotating shaft 221, the first fixed plate 27 is vertically connected to the rear side of the mounting plate 101, and the driving member 21 is installed on the bottom plate 1 below the first fixed plate 27; the driving member 21 is a commercially available motor, the second fixed plate 28 and the third fixed plate 29 are vertically connected to the first fixed plate 27, respectively, and the first fixed plate 27 is used to install the second fixed plate 28 and the third fixed plate 29; A second rotating shaft 25 is rotatably penetrated in the first fixed plate 27 between the second fixed plate 28 and the third fixed plate 29, and a first end of the second rotating shaft 25 is rotatably connected to the bottom plate 1. Two first bevel gears 24 are fixedly sleeved on the second rotating shaft 25 below the first fixed plate 27, and a same half bevel gear 23 is detachably meshed and connected between the two first bevel gears 24. A first end of the first rotating shaft 22 is connected to the half bevel gear 23, and a second end of the first rotating shaft 22 is connected to the output end of the driving member 21; Specifically, when the half bevel gear 23 is meshed with the first bevel gear 24 located above, the half bevel gear 23 is disengaged from the first bevel gear 24 located below, and the half bevel gear 23 can drive the eighth rotating shaft 221 to move a complete stroke along the first sliding groove through the first bevel gear 24 located above. When the half bevel gear 23 is meshed with the first bevel gear 24 located below, the half bevel gear 23 is disengaged from the first bevel gear 24 located above, and the half bevel gear 23 can drive the eighth rotating shaft 221 to move a complete stroke along the first sliding groove through the first bevel gear 24 located below; The second end of the second rotating shaft 25 is fixedly sleeved with a third bevel gear 26, and the third bevel gear 26 is respectively meshed and connected with a fourth bevel gear 210 and a fifth bevel gear 211 on both sides, and the fourth bevel gear 210 is connected with a first end of a third rotating shaft 212, and the second end of the third rotating shaft 212 rotates through the second fixed plate 28 and is vertically connected with a first end of a first rotating rod 214, and the second fixed plate 28 is used to install the third rotating shaft 212, and the second end of the first rotating rod 214 is vertically connected with a first end of a fifth rotating shaft 216; The fifth bevel gear 211 is connected to a first end of a fourth rotating shaft 213, a second end of the fourth rotating shaft 213 is rotatably connected to a third fixed plate 29, and the third fixed plate 29 is used to install the fourth rotating shaft 213. A first end of a second rotating rod 215 is fixedly sleeved on the fourth rotating shaft 213 between the fifth bevel gear 211 and the third fixed plate 29, a second end of the second rotating rod 215 is vertically connected to a first end of a sixth rotating shaft 217, a second end of the sixth rotating shaft 217 is vertically rotatably connected to a first end of a third rotating rod 219, a second end of the third rotating rod 219 is vertically connected to a first end of a seventh rotating shaft 218, and a second end of the seventh rotating shaft 218 is vertically rotatably connected to a first end of a fourth rotating rod 220; A through first slide groove is provided on the mounting plate 101 at the front side of the fourth rotating rod 220, the second end of the fourth rotating rod 220 is vertically connected to the first end of the eighth rotating shaft 221, the second end of the eighth rotating shaft 221 rotates through the first slide groove and is rotatably connected to the horizontal plate of the U-shaped plate 2, and the second end of the fifth rotating shaft 216 is rotatably connected to the fourth rotating rod 220; The second end of the eighth rotating shaft 221 drives the second screening mechanism to work by rotating; Preferably, the driving member 21 drives the first rotating shaft 22 to rotate, the rotation of the first rotating shaft 22 drives the semi-bevel gear 23 to rotate, the rotation of the semi-bevel gear 23 drives the two first bevel gears 24 to rotate alternately, the alternating rotation of the two first bevel gears 24 drives the second rotating shaft 25 to rotate forward and reversely, the forward and reverse rotation of the second rotating shaft 25 drives the third bevel gear 26 to rotate forward and reversely, and the forward and reverse rotation of the third bevel gear 26 drives the fourth bevel gear 210 and the fifth bevel gear 211 to rotate oppositely respectively; refer to Figure 8 When the fourth bevel gear 210 rotates forward and the fifth bevel gear 211 rotates reversely, the fourth bevel gear 210 rotates forward to drive the third rotating shaft 212 to rotate clockwise, the third rotating shaft 212 rotates clockwise to drive the first rotating rod 214 to rotate clockwise around the third rotating shaft 212, the first rotating rod 214 rotates clockwise to drive the fifth rotating shaft 216 to rotate clockwise, and the fifth rotating shaft 216 rotates clockwise to drive the fourth rotating rod 220 to rotate; The fifth bevel gear 211 rotates in reverse to drive the fourth rotating shaft 213 to rotate counterclockwise. The counterclockwise rotation of the fourth rotating shaft 213 drives the second rotating rod 215 to rotate counterclockwise around the fourth rotating shaft 213. The counterclockwise rotation of the second rotating rod 215 drives the sixth rotating shaft 217 to rotate counterclockwise. The counterclockwise rotation of the sixth rotating shaft 217 drives the third rotating rod 219 to rotate. The rotation of the third rotating rod 219 drives the seventh rotating shaft 218 to rotate. The rotation of the seventh rotating shaft 218 drives the first end of the fourth rotating rod 220 to rotate counterclockwise around the fifth rotating shaft 216, thereby causing the second end of the fourth rotating rod 220 to move rightward along the first sliding groove. When the fourth bevel gear 210 rotates in reverse and the fifth bevel gear 211 rotates forward, the fourth bevel gear 210 rotates in reverse to drive the third rotating shaft 212 to rotate counterclockwise, the third rotating shaft 212 rotates counterclockwise to drive the first rotating rod 214 to rotate counterclockwise around the third rotating shaft 212, the first rotating rod 214 rotates counterclockwise to drive the fifth rotating shaft 216 to rotate counterclockwise, and the fifth rotating shaft 216 rotates counterclockwise to drive the fourth rotating rod 220 to rotate; The fifth bevel gear 211 rotates forward to drive the fourth rotating shaft 213 to rotate clockwise. The fourth rotating shaft 213 rotates clockwise to drive the second rotating rod 215 to rotate clockwise around the fourth rotating shaft 213. The second rotating rod 215 rotates clockwise to drive the sixth rotating shaft 217 to rotate clockwise. The sixth rotating shaft 217 rotates clockwise to drive the third rotating rod 219 to rotate. The third rotating rod 219 rotates to drive the seventh rotating shaft 218 to rotate. The seventh rotating shaft 218 rotates to drive the first end of the fourth rotating rod 220 to rotate clockwise around the fifth rotating shaft 216, thereby causing the second end of the fourth rotating rod 220 to move leftward along the first sliding groove. In this way, the second end of the fourth rotating rod 220 moves back and forth left and right along the first slide groove, and the second end of the fourth rotating rod 220 moves back and forth left and right along the first slide groove, driving the eighth rotating shaft 221 to move back and forth left and right along the first slide groove and rotate back and forth, and the reciprocating left and right movement of the eighth rotating shaft 221 drives the U-shaped plate 2 to move back and forth left and right, and the reciprocating left and right movement of the U-shaped plate 2 drives the screening frame 3 and the screening net 102 to move back and forth left and right, and the reciprocating left and right movement of the screening frame 3 and the screening net 102 is used to vibrate and screen the seeds left and right; The second screening mechanism includes a sixth bevel gear 31, a seventh bevel gear 32, a ninth rotating shaft 33, a first sprocket 34, a chain 35, a second sprocket 36, a tenth rotating shaft 37, a fifth rotating rod 38, a first rotating column 39, an eleventh rotating shaft 310, a lever 311, a second rotating column 312 and a moving rod 313. The second end of the eighth rotating shaft 221 rotates through the U-shaped plate 2 and the horizontal plate fixing sleeve is provided with a sixth bevel gear 31, and a meshing seventh bevel gear 32 is installed on one side of the sixth bevel gear 31; specifically, the radius size of the sixth bevel gear 31 is greater than the radius size of the seventh bevel gear 32, so that when the sixth bevel gear 31 rotates half a circle, it can drive the seventh bevel gear 32 to rotate many circles; A first end of a ninth rotating shaft 33 is connected to the seventh bevel gear 32, a second end of the ninth rotating shaft 33 is rotatably connected to one of the vertical plates of the U-shaped plate 2, and a first sprocket 34 is fixedly sleeved on the ninth rotating shaft 33; A second sprocket 36 is installed on one side of the first sprocket 34, and a meshing chain 35 is installed on the first sprocket 34 and the second sprocket 36, and the chain 35 is used to connect the first sprocket 34 and the second sprocket 36. A tenth rotating shaft 37 runs through the second sprocket 36, and a first end of the tenth rotating shaft 37 is rotatably connected to a vertical plate of the U-shaped plate 2 close to the ninth rotating shaft 33, and a second end of the tenth rotating shaft 37 is vertically connected to a first end of a fifth rotating rod 38, and a second end of the fifth rotating rod 38 is vertically connected to a first rotating column 39; An eleventh rotating shaft 310 is installed below the tenth rotating shaft 37. The first end of the eleventh rotating shaft 310 is rotatably connected to the vertical plate of the U-shaped plate 2 close to the second sprocket 36. The second end of the eleventh rotating shaft 310 is vertically connected to the first end of the lever 311. The eleventh rotating shaft 310 is used to install the lever 311. The lever 311 is provided with a through second sliding groove. The first rotating column 39 is slidably connected and arranged in the second sliding groove. The second end of the lever 311 is vertically connected to the second rotating column 312. A first end of a moving rod 313 is connected to the rear side of the screening frame 3 between the two vertical plates of the U-shaped plate 2. The moving rod 313 is slidably connected to the vertical plate of the U-shaped plate 2 near the eleventh rotating shaft 310. A third sliding groove is provided on the second end of the moving rod 313. The second rotating column 312 is slidably connected and arranged in the third sliding groove. The filter box 3 works by moving the drive cleaning mechanism; Preferably, the reciprocating rotation of the eighth rotating shaft 221 drives the sixth bevel gear 31 to reciprocate, the reciprocating rotation of the sixth bevel gear 31 drives the seventh bevel gear 32 to reciprocate, the reciprocating rotation of the seventh bevel gear 32 drives the ninth rotating shaft 33 to reciprocate, the reciprocating rotation of the ninth rotating shaft 33 drives the first sprocket 34 to reciprocate, the reciprocating rotation of the first sprocket 34 drives the second sprocket 36 to reciprocate, the reciprocating rotation of the second sprocket 36 drives the tenth rotating shaft 37 to reciprocate, the reciprocating rotation of the tenth rotating shaft 37 drives the fifth rotating rod 38 to reciprocate, and the reciprocating rotation of the fifth rotating rod 38 drives the first rotating column 39 to reciprocate; The first end of the eleventh rotating shaft 310 is rotatably connected to the vertical plate of the U-shaped plate 2 close to the second sprocket 36, and the second end of the eleventh rotating shaft 310 is vertically connected to the first end of the lever 311, and the lever 311 is provided with a penetrating second sliding groove, and the first rotating column 39 is slidably connected and arranged in the second sliding groove, so that the first rotating column 39 reciprocates and drives the lever 311 to swing around the eleventh rotating shaft 310, and the swing of the lever 311 drives the second rotating column 312 to swing, and the swing of the second rotating column 312 drives the moving rod 313 to move back and forth reciprocatingly, and the moving rod 313 reciprocates and drives the screening frame 3 to move back and forth reciprocatingly, and the reciprocating movement of the screening frame 3 drives the screening net 102 to move back and forth reciprocatingly, and the reciprocating movement of the screening net 102 is used for vibrating and screening the seeds back and forth, which increases the vibration amplitude of the seeds, makes the screening efficiency of the seeds higher, and the screening time is shorter, and can better screen out the unripe grains and small seeds, so as to perform efficient screening and processing on the wheat seeds; The cleaning mechanism includes a cleaning brush 4, which is installed between the two vertical plates of the U-shaped plate 2 on the front side of the moving rod 313, and the cleaning brush 4 is located at the bottom of the screening net 102, and the cleaning brush 4 is movably connected to the screening net 102; Preferably, since the same cleaning brush 4 is installed between the two vertical plates of the U-shaped plate 2 on the front side of the moving rod 313, the cleaning brush 4 is located at the bottom of the screening net 102, and the cleaning brush 4 is movably connected to the screening net 102, so that when the screening net 102 moves back and forth, the bottom of the screening net 102 is cleaned back and forth by the cleaning brush 4, so as to prevent the unripe grains and small seeds from clogging the screening net 102 during the seed screening process, thereby affecting the screening efficiency; A first T-shaped slide groove is provided on the mounting plate 101 under the first slide groove, and a first T-shaped protrusion 222 matching with the first T-shaped slide groove is installed on the horizontal plate of the U-shaped plate 2. The first T-shaped protrusion 222 is slidably connected and arranged in the first T-shaped slide groove. The first T-shaped slide groove and the first T-shaped protrusion 222 cooperate to ensure that the horizontal plate of the U-shaped plate 2 slides smoothly on the mounting plate 101 under the first slide groove; A second T-shaped slot is provided on the vertical plate of the U-shaped plate 2 near the eleventh rotating shaft 310, and a second T-shaped protrusion 314 matching with the second T-shaped slot is installed on the moving rod 313. The second T-shaped protrusion 314 is slidably connected and arranged in the second T-shaped slot. The second T-shaped slot and the second T-shaped protrusion 314 cooperate to ensure that the moving rod 313 slides smoothly on the vertical plate of the U-shaped plate 2 near the eleventh rotating shaft 310 under the first slot; A third T-shaped slot is provided on the two vertical plates of the U-shaped plate 2, and a third T-shaped protrusion 315 matching with the third T-shaped slot is installed on the screening frame 3. The third T-shaped protrusion 315 is slidably connected and arranged in the third T-shaped slot. The third T-shaped slot and the third T-shaped protrusion 315 cooperate to ensure that the screening frame 3 slides smoothly on the two vertical plates of the U-shaped plate 2 under the first slot.
[0020] The method of using the present invention is as follows: when it is necessary to screen the seeds, the staff pours the seeds onto the screening net 102 in the screening frame 3, and then the staff turns on the driving member 21; The driving member 21 drives the first rotating shaft 22 to rotate, the first rotating shaft 22 drives the semi-bevel gear 23 to rotate, the semi-bevel gear 23 drives the two first bevel gears 24 to rotate alternately, the two first bevel gears 24 rotate alternately to drive the second rotating shaft 25 to rotate forward and reversely, the second rotating shaft 25 rotates forward and reversely to drive the third bevel gear 26 to rotate forward and reversely, the third bevel gear 26 rotates forward and reversely to drive the fourth bevel gear 210 and the fifth bevel gear 211 to rotate oppositely respectively; refer to Figure 8 When the fourth bevel gear 210 rotates forward and the fifth bevel gear 211 rotates reversely, the fourth bevel gear 210 rotates forward to drive the third rotating shaft 212 to rotate clockwise, the third rotating shaft 212 rotates clockwise to drive the first rotating rod 214 to rotate clockwise around the third rotating shaft 212, the first rotating rod 214 rotates clockwise to drive the fifth rotating shaft 216 to rotate clockwise, and the fifth rotating shaft 216 rotates clockwise to drive the fourth rotating rod 220 to rotate; The fifth bevel gear 211 rotates in reverse to drive the fourth rotating shaft 213 to rotate counterclockwise. The counterclockwise rotation of the fourth rotating shaft 213 drives the second rotating rod 215 to rotate counterclockwise around the fourth rotating shaft 213. The counterclockwise rotation of the second rotating rod 215 drives the sixth rotating shaft 217 to rotate counterclockwise. The counterclockwise rotation of the sixth rotating shaft 217 drives the third rotating rod 219 to rotate. The rotation of the third rotating rod 219 drives the seventh rotating shaft 218 to rotate. The rotation of the seventh rotating shaft 218 drives the first end of the fourth rotating rod 220 to rotate counterclockwise around the fifth rotating shaft 216, thereby causing the second end of the fourth rotating rod 220 to move rightward along the first sliding groove. When the fourth bevel gear 210 rotates in reverse and the fifth bevel gear 211 rotates forward, the fourth bevel gear 210 rotates in reverse to drive the third rotating shaft 212 to rotate counterclockwise, the third rotating shaft 212 rotates counterclockwise to drive the first rotating rod 214 to rotate counterclockwise around the third rotating shaft 212, the first rotating rod 214 rotates counterclockwise to drive the fifth rotating shaft 216 to rotate counterclockwise, and the fifth rotating shaft 216 rotates counterclockwise to drive the fourth rotating rod 220 to rotate; The fifth bevel gear 211 rotates forward to drive the fourth rotating shaft 213 to rotate clockwise. The fourth rotating shaft 213 rotates clockwise to drive the second rotating rod 215 to rotate clockwise around the fourth rotating shaft 213. The second rotating rod 215 rotates clockwise to drive the sixth rotating shaft 217 to rotate clockwise. The sixth rotating shaft 217 rotates clockwise to drive the third rotating rod 219 to rotate. The third rotating rod 219 rotates to drive the seventh rotating shaft 218 to rotate. The seventh rotating shaft 218 rotates to drive the first end of the fourth rotating rod 220 to rotate clockwise around the fifth rotating shaft 216, thereby causing the second end of the fourth rotating rod 220 to move leftward along the first sliding groove. In this way, the second end of the fourth rotating rod 220 moves back and forth left and right along the first slide groove, and the second end of the fourth rotating rod 220 moves back and forth left and right along the first slide groove, driving the eighth rotating shaft 221 to move back and forth left and right along the first slide groove and rotate back and forth, and the reciprocating left and right movement of the eighth rotating shaft 221 drives the U-shaped plate 2 to move back and forth left and right, and the reciprocating left and right movement of the U-shaped plate 2 drives the screening frame 3 and the screening net 102 to move back and forth left and right, and the reciprocating left and right movement of the screening frame 3 and the screening net 102 is used to vibrate and screen the seeds left and right; At the same time, the reciprocating rotation of the eighth rotating shaft 221 drives the sixth bevel gear 31 to reciprocate, the reciprocating rotation of the sixth bevel gear 31 drives the seventh bevel gear 32 to reciprocate, the reciprocating rotation of the seventh bevel gear 32 drives the ninth rotating shaft 33 to reciprocate, the reciprocating rotation of the ninth rotating shaft 33 drives the first sprocket 34 to reciprocate, the reciprocating rotation of the first sprocket 34 drives the second sprocket 36 to reciprocate, the reciprocating rotation of the second sprocket 36 drives the tenth rotating shaft 37 to reciprocate, the reciprocating rotation of the tenth rotating shaft 37 drives the fifth rotating rod 38 to reciprocate, and the reciprocating rotation of the fifth rotating rod 38 drives the first rotating column 39 to reciprocate; The first end of the eleventh rotating shaft 310 is rotatably connected to the vertical plate of the U-shaped plate 2 close to the second sprocket 36, and the second end of the eleventh rotating shaft 310 is vertically connected to the first end of the lever 311, and the lever 311 is provided with a penetrating second sliding groove, and the first rotating column 39 is slidably connected and arranged in the second sliding groove, so that the first rotating column 39 reciprocates and drives the lever 311 to swing around the eleventh rotating shaft 310, and the swing of the lever 311 drives the second rotating column 312 to swing, and the swing of the second rotating column 312 drives the moving rod 313 to move back and forth reciprocatingly, and the moving rod 313 reciprocates and drives the screening frame 3 to move back and forth reciprocatingly, and the reciprocating movement of the screening frame 3 drives the screening net 102 to move back and forth reciprocatingly, and the reciprocating movement of the screening net 102 is used for vibrating and screening the seeds back and forth, which increases the vibration amplitude of the seeds, makes the screening efficiency of the seeds higher, and the screening time is shorter, and can better screen out the unripe grains and small seeds, so as to perform efficient screening and processing on the wheat seeds; At the same time, since the same cleaning brush 4 is installed between the two vertical plates of the U-shaped plate 2 on the front side of the moving rod 313, the cleaning brush 4 is located at the bottom of the screening net 102, and the cleaning brush 4 is movably connected to the screening net 102, when the screening net 102 moves back and forth, the bottom of the screening net 102 is cleaned back and forth by the cleaning brush 4, thereby preventing the unripe grains and small seeds from clogging the screening net 102 during the seed screening process, thereby affecting the screening efficiency.
[0021] The present invention realizes the reciprocating left-right movement of the screening frame and the screening net for left-right vibration screening of the seeds by setting the first screening mechanism; the present invention realizes the reciprocating left-right movement of the screening frame and the screening net for left-right vibration screening of the seeds by setting the second screening mechanism, while the screening net reciprocating front-back movement is used for front-back vibration screening of the seeds, thereby increasing the vibration amplitude of the seeds, thereby making the seed screening efficiency higher and the screening time shorter, and can better screen out the blighted grains and small seeds, thereby efficiently screening the wheat seeds; the present invention realizes the reciprocating left-right movement of the screening frame and the screening net for left-right vibration screening of the seeds and the reciprocating front-back movement of the screening net for front-back vibration screening of the seeds by setting the cleaning mechanism, while the bottom of the screening net is reciprocated front-back cleaning by the cleaning brush, thereby preventing the blighted grains and small seeds from clogging the screening net during the seed screening process, thereby affecting the screening efficiency; the present invention has a simple and reliable structure, a good seed screening effect, is easy to control, and is suitable for popularization.
[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A seed screening device for agricultural technology extension, characterized in that: It comprises a bottom plate (1), a mounting plate (101), a screening net (102), a U-shaped plate (2) and a screening frame (3); A mounting plate (101) is vertically arranged on the bottom plate (1), and a U-shaped plate (2) is slidably arranged on the front side of the mounting plate (101); A first screening mechanism for driving the U-shaped plate (2) to screen left and right is provided between the mounting plate (101) and the transverse plate of the U-shaped plate (2); The same screening frame (3) is provided slidingly on the two vertical plates of the U-shaped plate (2); A second screening mechanism is provided between the two vertical plates of the U-shaped plate (2) and the screening frame (3) for driving the screening frame (3) to screen forward and backward, and the second screening mechanism is driven by the first screening mechanism; A screening net (102) is provided at the bottom of the screening frame (3) between the two vertical plates of the U-shaped plate (2); A cleaning mechanism for preventing the screening net (102) from being blocked is provided between the two vertical plates of the U-shaped plate (2) and the screening net (102), and the cleaning mechanism is driven by the second screening mechanism.
2. The agricultural technology promotion seed screening device according to claim 1, characterized in that: The first screening mechanism comprises a driving member (21), a first rotating shaft (22), a half bevel gear (23), a first bevel gear (24), a second rotating shaft (25), a third bevel gear (26), a first fixed plate (27), a second fixed plate (28), a third fixed plate (29), a fourth bevel gear (210), a fifth bevel gear (211), a third rotating shaft (212), a fourth rotating shaft (213), a first rotating rod (214), a second rotating rod (215), a fifth rotating shaft (216), a sixth rotating shaft (217), a seventh rotating shaft (218), a third rotating rod (219), a fourth rotating rod (220) and an eighth rotating shaft (221); the first fixed plate (27) is vertically connected to the rear side of the mounting plate (101); a driving member (21) is provided on the bottom plate (1) below the first fixed plate (27); and the second fixed plate (28) and the third fixed plate (29) are vertically connected to the first fixed plate (27), respectively; A second rotating shaft (25) is rotatably penetrated in the first fixed plate (27) between the second fixed plate (28) and the third fixed plate (29); a first end of the second rotating shaft (25) is rotatably connected to the bottom plate (1); two first bevel gears (24) are respectively sleeved on the second rotating shaft (25) below the first fixed plate (27); a same half bevel gear (23) is detachably meshed between the two first bevel gears (24); a first end of the first rotating shaft (22) is connected to the half bevel gear (23); and a second end of the first rotating shaft (22) is connected to an output end of the driving member (21); The second end of the second rotating shaft (25) is sleeved with a third bevel gear (26); the second ends of the third bevel gear (26) are respectively meshedly connected with a fourth bevel gear (210) and a fifth bevel gear (211); the first end of the third rotating shaft (212) is connected to the fourth bevel gear (210); the second end of the third rotating shaft (212) rotatably passes through the second fixed plate (28) and is vertically connected to the first end of the first rotating rod (214); the second end of the first rotating rod (214) is vertically connected to the first end of the fifth rotating shaft (216); The first end of a fourth rotating shaft (213) is connected to the fifth bevel gear (211), the second end of the fourth rotating shaft (213) is rotationally connected to the third fixed plate (29), the first end of a second rotating rod (215) is sleeved on the fourth rotating shaft (213) between the fifth bevel gear (211) and the third fixed plate (29), the second end of the second rotating rod (215) is vertically connected to the first end of a sixth rotating shaft (217), the second end of the sixth rotating shaft (217) is vertically rotationally connected to the first end of a third rotating rod (219), the second end of the third rotating rod (219) is vertically connected to the first end of a seventh rotating shaft (218), and the second end of the seventh rotating shaft (218) is vertically rotationally connected to the first end of a fourth rotating rod (220); A through first slide groove is provided on the mounting plate (101) on the front side of the fourth rotating rod (220); the second end of the fourth rotating rod (220) is vertically connected to the first end of the eighth rotating shaft (221); the second end of the eighth rotating shaft (221) rotates through the first slide groove and is rotatably connected to the horizontal plate of the U-shaped plate (2); the second end of the fifth rotating shaft (216) is rotatably connected to the fourth rotating rod (220); The second end of the eighth rotating shaft (221) drives the second screening mechanism to work by rotating.
3. The agricultural technology promotion seed screening device according to claim 2, characterized in that: The second screening mechanism comprises a sixth bevel gear (31), a seventh bevel gear (32), a ninth rotating shaft (33), a first sprocket (34), a chain (35), a second sprocket (36), a tenth rotating shaft (37), a fifth rotating rod (38), a first rotating column (39), an eleventh rotating shaft (310), a shifting rod (311), a second rotating column (312) and a moving rod (313); a horizontal plate that passes through the U-shaped plate (2) and is rotated at the second end of the eighth rotating shaft (221) and is sleeved with a sixth bevel gear (31); a seventh bevel gear (32) that is meshed with the sixth bevel gear (31) is provided on one side of the sixth bevel gear (31); a first end of a ninth rotating shaft (33) is connected to the seventh bevel gear (32); a second end of the ninth rotating shaft (33) is rotationally connected to one of the vertical plates of the U-shaped plate (2); and a first sprocket (34) is sleeved on the ninth rotating shaft (33); A second sprocket (36) is provided on one side of the first sprocket (34), and meshing chains (35) are provided on the first sprocket (34) and the second sprocket (36). A tenth rotating shaft (37) runs through the second sprocket (36), and a first end of the tenth rotating shaft (37) is rotatably connected to a vertical plate of the U-shaped plate (2) close to the ninth rotating shaft (33). A second end of the tenth rotating shaft (37) is vertically connected to a first end of a fifth rotating rod (38), and a second end of the fifth rotating rod (38) is vertically connected to a first rotating column (39); An eleventh rotating shaft (310) is provided below the tenth rotating shaft (37); a first end of the eleventh rotating shaft (310) is rotatably connected to a vertical plate of the U-shaped plate (2) close to the second sprocket (36); a second end of the eleventh rotating shaft (310) is vertically connected to a first end of a shifting rod (311); a second sliding groove is provided on the shifting rod (311); the first rotating column (39) is slidably connected and arranged in the second sliding groove; and a second end of the shifting rod (311) is vertically connected to a second rotating column (312); A first end of a moving rod (313) is connected to the rear side of the screening frame (3) between the two vertical plates of the U-shaped plate (2), the moving rod (313) is slidably connected to the vertical plate of the U-shaped plate (2) near the eleventh rotating shaft (310), a third sliding groove is provided on the second end of the moving rod (313), and the second rotating column (312) is slidably connected and arranged in the third sliding groove; The screening frame (3) works by moving the cleaning mechanism.
4. The agricultural technology promotion seed screening device according to claim 3, characterized in that: The cleaning mechanism comprises a cleaning brush (4), the same cleaning brush (4) being arranged between two vertical plates of the U-shaped plate (2) on the front side of the moving rod (313), the cleaning brush (4) being located at the bottom of the screening net (102), and the cleaning brush (4) being movably connected to the screening net (102).
5. The agricultural technology promotion seed screening device according to claim 2, characterized in that: The driving member (21) is a motor.
6. The agricultural technology promotion seed screening device according to claim 2, characterized in that: A first T-shaped slide groove is provided on the mounting plate (101) below the first slide groove, a first T-shaped protrusion (222) matching with the first T-shaped slide groove is provided on the transverse plate of the U-shaped plate (2), and the first T-shaped protrusion (222) is slidably connected and arranged in the first T-shaped slide groove.
7. The agricultural technology promotion seed screening device according to claim 3, characterized in that: A second T-shaped slot is provided on the vertical plate of the U-shaped plate (2) close to the eleventh rotating shaft (310), and a second T-shaped protrusion (314) matching with the second T-shaped slot is provided on the moving rod (313), and the second T-shaped protrusion (314) is slidably connected and arranged in the second T-shaped slot.
8. The agricultural technology promotion seed screening device according to claim 3, characterized in that: The two vertical plates of the U-shaped plate (2) are provided with a third T-shaped slide groove, and the screening frame (3) is provided with a third T-shaped protrusion (315) matching with the third T-shaped slide groove, and the third T-shaped protrusion (315) is slidably connected and arranged in the third T-shaped slide groove.