Onion seed selecting device

Abstract

The utility model relates to the technical field of seed selection equipment, in particular to an onion seed selection device. An onion seed selecting device comprises a machine shell, a discharging assembly is arranged on the upper surface of the machine shell, a discharging hopper is arranged on the lower portion of the front end of the machine shell, a screening assembly is arranged in the machine shell, the lower end of the screening assembly is hinged to the upper end of an electric push rod, and the lower end of the electric push rod is hinged to a supporting plate. Supporting legs are fixedly connected to the upper surfaces of the ends, away from the electric push rods, of the supporting plates, and the upper ends of the supporting legs are hinged to fixing shafts on the two sides of the lower portion of the front end of the machine shell. According to the onion seed selecting device, onion seeds to be selected can quantitatively fall onto the screen according to needs through the discharging assembly, discharging is accurate, and time and labor are saved; secondly, after the onion seeds are finely selected, the thoroughly-selected onion seeds can be automatically poured into the discharging hopper from the screen through the electric push rod, and the defects in the prior art are overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of seed selection equipment, in particular to an onion seed selection device. Background Art

[0002] Onions are widely distributed in China, cultivated in all parts of the country, and the planting area is still expanding. Onions that need to be cultivated need to be harvested in autumn, and a selection device is needed to remove impurities and broken seeds from the seeds in order to obtain high-quality seeds.

[0003] Through searching, a crop seed selection device with announcement number CN217250681U is found, which includes a bottom plate, the rear right end of the upper surface of the bottom plate is fixedly connected to a feed box through an L-shaped rod, the middle part of the left side of the upper surface of the bottom plate is fixedly connected to a motor through a first support rod, the output end of the motor is fixedly connected to a fan blade through a second rotating shaft, the front ends of the left and right sides of the upper surface of the bottom plate are fixedly connected to fourth support rods, the upper end of the fourth support rod is rotatably connected to a triangular plate through a second pin shaft, the right end of the triangular plate is rotatably connected to a connecting plate through a third pin shaft, the lower side of the rear end surface of the connecting plate is fixedly connected to a selection plate, and the right side of the rear end surface of the selection plate is fixedly connected to a sliding sleeve through an L-shaped block. The above technical scheme solves the problems of poor seed selection effect, inconvenience in separating dust on the surface of seeds, and inconvenience in disassembling and cleaning the filter in the prior art crop seed selection devices.

[0004] However, the crop seed selection device with the announcement number CN217250681U has no corresponding unloading device in the feed box, and can only control the amount of seeds that need to be selected by pouring into the feed box manually to control the amount of seeds that fall on the selection plate. The unloading is not accurate, time-consuming and labor-intensive. Secondly, after the seeds that need to be selected are selected, the selection plate has no corresponding dumping device, and it is inconvenient to collect the selected seeds. Utility Model Content

[0005] In view of the existing problems, the utility model provides an onion seed selection device to solve the problem that a crop seed selection device mentioned in the background technology has the problem that the feed box is not provided with a corresponding unloading device, and the amount of seeds falling on the selection plate can only be controlled by manually controlling the amount of seeds to be selected poured into the feed box, and the unloading is not accurate, time-consuming and labor-intensive; secondly, after the seeds to be selected are selected, the selection plate has no corresponding dumping device, and it is inconvenient to collect the selected seeds.

[0006] In order to solve the existing problems, the utility model provides an onion seed selection device, including a casing, a feeding assembly is arranged on the upper surface of the casing, a discharging hopper is arranged at the lower front end of the casing, a screening assembly is arranged inside the casing, the feeding assembly includes a feeding hopper mounted on the upper surface of the casing, two feeding rollers are rotatably mounted on the inner side of the bottom of the feeding hopper, a rotating shaft penetrating the side wall of the feeding hopper and connected to a pulley is connected to the same side ends of the two feeding rollers, two shafts are arranged above the pulley and rotate horizontally on the side wall of the feeding hopper, gears are connected in the middle of the two shafts, and the two The gears are meshed with each other, and one end of the two shafts away from the side wall of the lower hopper is connected to a driving wheel, wherein the side surface of one of the driving wheels is connected to the output shaft of the driving motor, and the driving motor is fixedly connected to the upper part of the side wall of the lower hopper through an L-shaped connecting piece, and the two driving wheels are respectively connected to the pulleys on the same side through a transmission belt transmission; the lower end of the screening assembly is hinged to the upper end of the electric push rod, and the lower end of the electric push rod is hinged to the support plate, and the upper surface of the end of the support plate away from the electric push rod is symmetrically connected to two supporting legs, and the upper ends of the two supporting legs are respectively hinged to the fixed shafts on both sides of the lower front end of the casing.

[0007] Furthermore, the screening assembly includes a screen located on the lower side of the interior of the casing, the four corners of the screen are fixedly connected to a fixed shaft 1, each of the fixed shafts 1 is rotatably connected to the lower end of a connecting arm, the upper end of the connecting arm is rotatably connected to the inner surface of the upper end of the casing through a fixed shaft 2, two fixed shafts 1 near the rear end of the casing are rotatably connected to one end of a guide arm, the guide arm is located on one side of the connecting arm, the other end of the guide arm is rotatably connected to an eccentric shaft of an eccentric disk, the center of the eccentric disk is connected to the output shaft of a dual-axis drive motor, the dual-axis drive motor is fixedly connected to a fixed base plate, and the end of the fixed base plate is connected to the lower rear end of the casing.

[0008] Furthermore, a limiting block is fixedly connected to the fixed base plate between the dual-axis drive motor and the eccentric disk, and the output shaft of the dual-axis drive motor passes through the limiting block.

[0009] Furthermore, an opening adapted to the size of the bottom of the lower hopper is provided on the upper surface of the casing.

[0010] Furthermore, shock-absorbing and anti-skid rubber pads are provided on the lower surfaces of the four corners of the support plate.

[0011] Furthermore, the width of one end of the discharge hopper close to the casing is greater than the width of the screen and smaller than the width of the casing, and a support leg 1 is connected to the bottom surface of the end of the discharge hopper close to the casing, and the lower end of the support leg 1 is placed on the support plate.

[0012] Furthermore, a fan is provided at the upper end of the discharge hopper.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a feeding component. When in use, it is only necessary to pour the onion seeds to be selected into the feeding hopper in advance. When selecting, it is only necessary to control the rotation of the driving motor to drive the two feeding rollers to rotate, and the onion seeds to be selected in the feeding hopper can be quantitatively dropped onto the screen as needed. The feeding is accurate, time-saving and labor-saving, and the utility model is strong.

[0015] 2. The utility model provides an electric push rod, the upper end of which is hinged to the screening component, and the lower end of which is hinged to the bottom plate. After the onion seeds are selected, it is only necessary to start the electric push rod. The extension of the upper part of the electric push rod will drive the screening component and the feeding component assembly machine housing hinged thereto to rotate upward along the fixed axis at the upper end of the supporting leg, and finally dump the selected onion seeds on the screen into the discharging hopper, which saves time and effort and makes up for the defect that the existing equipment has no corresponding dumping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the structure of the blanking component of the utility model;

[0019] Figure 4 This is a schematic diagram of the connection between the unloading roller and the pulley of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the screening component of the utility model;

[0021] Figure 6 It is a partial structural schematic diagram of the utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the screening component structure of the utility model;

[0023] In the figure: 1. housing; 2. unloading assembly; 201. unloading hopper; 202. unloading roller; 203. pulley; 204. rotating shaft; 205. shaft; 206. gear; 207. driving wheel; 208. driving motor; 209. L-shaped connector; 210. transmission belt; 3. unloading hopper; 4. supporting leg; 5. screening assembly; 501. screen; 502. fixed shaft 1; 503. connecting arm; 504. fixed shaft 2; 505. guide arm; 506. eccentric disk; 5061. eccentric shaft; 507. dual-shaft driving motor; 508. fixed bottom plate; 509. limit block; 6. electric push rod; 7. supporting plate; 8. fixed shaft; 9. rubber pad; 10. opening; 11. fan; DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-7 , an onion seed selection device, comprising a casing 1, a feeding assembly 2 is arranged on the upper surface of the casing 1, a discharging hopper 3 is arranged at the lower front end of the casing 1, a screening assembly 5 is arranged inside the casing 1, the feeding assembly 2 comprises a feeding hopper 201 installed on the upper surface of the casing 1, two feeding rollers 202 are rotatably installed on the inner side of the bottom of the feeding hopper 201, a rotating shaft 204 penetrating the side wall of the feeding hopper 201 and connected to a pulley 203 is connected to the same side end of the two feeding rollers 202, two shafts 205 are arranged above the pulley 203 and are horizontally rotatable on the side wall of the feeding hopper 201, a gear 206 is connected in the middle of the two shafts 205, and the two gears 206 are connected to each other The two shafts 205 are meshed, and one end away from the side wall of the lower hopper 201 is connected to a driving wheel 207, wherein the side surface of one of the driving wheels 207 is connected to the output shaft of a driving motor 208, and the driving motor 208 is fixedly connected to the upper part of the side wall of the lower hopper 201 through an L-shaped connecting piece 209, and the two driving wheels 207 are respectively connected to the pulley 203 on the same side through a transmission belt 210; the lower end of the screening component 5 is hinged to the upper end of the electric push rod 6, and the lower end of the electric push rod 6 is hinged to the support plate 7, and the upper surface of the end of the support plate 7 away from the electric push rod 6 is symmetrically connected to two supporting legs 4, and the upper ends of the two supporting legs 4 are respectively hinged to the fixed shafts 8 on both sides of the lower front end of the casing 1.

[0026] Among them, the screening component 5 includes a screen 501 located on the lower side of the interior of the casing, and the four corners of the screen are fixedly connected with a fixed shaft 1 502, and each of the fixed shaft 1 502 is rotatably connected to the lower end of a connecting arm 503, and the upper end of the connecting arm 503 is rotatably connected to the inner surface of the upper end of the casing 1 through a fixed shaft 2 504, and one end of a guide arm 505 is rotatably connected to the two fixed shafts 1 502 near the rear end of the casing 1, and the guide arm 505 is located on one side of the connecting arm 503, and the other end of the guide arm 505 is rotatably connected to an eccentric shaft 5061 of an eccentric disk 506, and the center of the eccentric disk 506 is connected to the output shaft of a dual-axis drive motor 507, and the dual-axis drive motor 507 is fixedly connected to a fixed base plate 508, and the end of the fixed base plate 508 is connected to the lower rear end of the casing 1.

[0027] like Figure 5 , Figure 7 As shown, the output shaft of the dual-axis driving motor 507 rotates, driving the eccentric disk 506 connected to the output shaft to rotate, and then the eccentric shaft 5061 of the eccentric disk 506 drives the guide arm 503 rotatably connected thereto to make reciprocating motion, and then the guide arm 503 also drives the fixed shaft 502 connected at one end to move, so that the connecting arms 503 rotatably connected to the fixed shaft 502 at the four corners of the screen 501 swing with the screen 501, thereby selecting the onion seeds.

[0028] A limiting block 509 is fixedly connected on a fixed bottom plate between the dual-axis driving motor 507 and the eccentric disk 506 , and an output shaft of the dual-axis driving motor 507 passes through the limiting block 509 .

[0029] The upper surface of the housing 1 is provided with an opening 10 which is adapted to the size of the bottom of the lower hopper 201 .

[0030] Among them, shock-absorbing and anti-skid rubber pads 9 are arranged on the lower surfaces of the four corners of the support plate 7.

[0031] Among them, the width of the end of the discharge hopper 3 close to the casing 1 is greater than the width of the screen 501 and smaller than the width of the casing 1, and a support leg 301 is connected to the bottom surface of the end of the discharge hopper 3 close to the casing 1, and the lower end of the support leg 301 is placed on the support plate 7.

[0032] It should be noted that the width of the end of the discharge hopper 3 close to the casing 1 is greater than the width of the screen 501 and smaller than the width of the casing 1. This arrangement is to prevent the front end of the casing 1 and the front end of the screen 501 from colliding with the end of the discharge hopper 3 close to the casing 1 when the cylinder 6 lifts the casing 1 and the screening assembly 5 and rotates and lifts them along the upper end of the supporting leg 301.

[0033] Wherein, a fan 11 is arranged at the upper end of the discharge hopper 3 .

[0034] When in use, first pour the onion seeds to be selected into the lower hopper 201 to fill the lower hopper 201, then start the machine, control the drive motor 208 to rotate, the rotation of the drive motor 208 will drive a drive wheel 207 connected to it to rotate, the rotating drive wheel 207 drives the shaft 205 connected to it to rotate, the rotating shaft 205 will drive a gear 206 and a feeding roller 202 connected to the shaft 205 to rotate, the rotating gear 206 will drive another gear 206 meshing with it to rotate, and then drive the shaft 205 connected to the other gear 206 and the feeding roller 202 connected to the shaft 205 to rotate, at this time, the two rotating feeding rollers 202 will push the onion seeds to be selected in the lower hopper 201 out of the opening 10, and the pushed out Onion seeds will fall on the moving screen 501, and the impurities screened by the screen 501 will fall from the mesh holes of the screen 501. While the onion seeds are being screened, the fan 11 will blow the seeds screened and lifted by the screen 501 to blow away light dandruff and dust until the seeds on the screen 501 are screened clean, then the dual-axis drive motor 507 is turned off, and the screen 501 stops moving at this time, and then the electric push rod 6 is started, and the upper end of the electric push rod 6 is extended to lift the rear end of the casing 1, so that the casing 1 and the screening assembly 5 rotate upward along the ends of the two supporting legs 7 near the front end of the casing 1, and at this time, the end of the screen 501 near the rear end of the casing 1 also rotates upward, and the clean onion seeds selected on the screen 501 are poured into the discharge hopper 3, and the seeds can be collected at the rear end of the discharge hopper 3.

[0035] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An onion seed selection device, comprising a housing (1), a material discharge assembly (2) being arranged on the upper surface of the housing (1), and a material discharge hopper (3) being arranged at the lower front end of the housing (1), characterized in that: A screening assembly (5) is arranged inside the casing (1), and the material discharge assembly (2) comprises a material discharge hopper (201) mounted on the upper surface of the casing (1), two material discharge rollers (202) are rotatably mounted on the inner side of the bottom of the material discharge hopper (201), and the same side ends of the two material discharge rollers (202) are connected to a rotating shaft (204) that penetrates the side wall of the material discharge hopper (201) and is connected to a pulley (203), and two shafts (205) are arranged above the pulley (203) and on the side wall of the material discharge hopper (201) so as to rotate horizontally, and the two shafts (205) are arranged to rotate horizontally. The middle of each of the two shafts (205) is connected with a gear (206), the two gears (206) are meshed with each other, one end of the two shafts (205) away from the side wall of the lower hopper (201) is connected with a driving wheel (207), the side surface of one of the driving wheels (207) is connected to the output shaft of the driving motor (208), the driving motor (208) is fixedly connected to the upper part of the side wall of the lower hopper (201) through an L-shaped connecting piece (209), and the two driving wheels (207) are respectively connected to the pulleys (203) on the same side through a transmission belt (210); The lower end of the screening component (5) is hinged to the upper end of the electric push rod (6), and the lower end of the electric push rod (6) is hinged to the support plate (7). The upper surface of one end of the support plate (7) away from the electric push rod (6) is symmetrically connected to two support legs (4), and the upper ends of the two support legs (4) are respectively hinged to the fixed shafts (8) on both sides of the lower front end of the casing (1).

2. The onion seed selection device according to claim 1, characterized in that: The screening assembly (5) comprises a screen (501) located at the lower side of the casing, the four corners of the screen (501) are fixedly connected to fixed shafts (502), the lower end of each of the fixed shafts (502) is rotatably connected to a connecting arm (503), the upper end of the connecting arm (503) is rotatably connected to the inner surface of the upper end of the casing (1) via a fixed shaft (504), and the two fixed shafts (502) near the rear end of the casing (1) are rotatably connected to guide arms (503). The guide arm (505) is disposed at one end of the guide arm (505), the guide arm (505) is located on one side of the connecting arm (503), the other end of the guide arm (505) is rotatably connected to an eccentric shaft (5061) having an eccentric disk (506), the center of the eccentric disk (506) is connected to the output shaft of a dual-axis drive motor (507), the dual-axis drive motor (507) is fixedly connected to a fixed base plate (508), and the end of the fixed base plate (508) is connected to the lower rear end of the casing (1).

3. The onion seed selection device according to claim 2, characterized in that: A limit block (509) is fixedly connected to the fixed base plate between the dual-axis drive motor (507) and the eccentric disk (506), and the output shaft of the dual-axis drive motor (507) passes through the limit block (509).

4. The onion seed selection device according to claim 1, characterized in that: The upper surface of the casing (1) is provided with an opening (10) that is adapted to the size of the bottom of the lower hopper (201).

5. The onion seed selection device according to claim 1, characterized in that: Shock-absorbing and anti-skid rubber pads (9) are provided on the lower surfaces of the four corners of the support plate (7).

6. The onion seed selection device according to claim 1, characterized in that: The width of one end of the discharge hopper (3) close to the casing (1) is greater than the width of the screen (501) and less than the width of the casing (1); a support leg (301) is connected to the bottom surface of the end of the discharge hopper (3) close to the casing (1); the lower end of the support leg (301) is placed on the support plate (7).

7. The onion seed selection device according to claim 1, characterized in that: A fan (11) is provided at the upper end of the discharge hopper (3).

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