Seed screening device for pumpkin breeding

Abstract

The utility model relates to the technical field of seed screening, and discloses a pumpkin breeding seed screening device which comprises a box body, an opening is formed in one side of the box body, a first screening box and a second screening box are installed in the box body in a sliding mode, the first screening box is located above the second screening box, first screening holes are formed in the bottom end of the first screening box at equal intervals, and second screening holes are formed in the bottom end of the second screening box. Second screening holes are formed in the bottom end of the second screening box at equal intervals, a shaking screening mechanism connected with the first screening box and the second screening box is arranged on the box body, a material stirring mechanism is arranged between the first screening box and the second screening box, and discharging blocking pieces are installed on the first screening box and the second screening box; through the design of the shifting mechanism, the shifting plate continuously shifts pumpkin seeds in the first screening box and the second screening box to move, the contact frequency of the pumpkin seeds and the first screening holes and the contact frequency of the pumpkin seeds and the second screening holes are increased, and then the probability that the pumpkin seeds larger than the first screening holes and the second screening holes shield the pumpkin seeds is effectively reduced; and the falling speed of the pumpkin seeds smaller than the aperture is effectively accelerated.

Description

Technical Field

[0001] The utility model relates to the field of seed screening, in particular to a seed screening device for pumpkin breeding. Background Art

[0002] Breeding refers to a technology that cultivates new varieties of animals and plants by creating genetic variations and improving genetic characteristics. Manual screening is usually carried out in the pumpkin breeding process, which will suddenly increase the labor force and slow the screening speed. When screening equipment is used to screen seeds, it is not easy to classify and screen seeds of different sizes due to the single structure of the screening equipment. At the same time, during the screening process, large seeds are easy to block some mesh holes on the screen, which will reduce the efficiency of seed screening. Utility Model Content

[0003] In order to solve the technical problems that the screening equipment has a single structure, is difficult to classify and screen seeds of different sizes, and that large seeds are prone to block part of the mesh holes on the screen during the screening process, thereby reducing the seed screening efficiency, the utility model provides a seed screening device for pumpkin breeding.

[0004] The utility model is implemented by the following technical scheme: a seed screening device for pumpkin breeding, comprising a box body, an opening is provided on one side of the box body, a screening box one and a screening box two are slidably installed inside the box body, the screening box one is located above the screening box two, the bottom end of the screening box one is provided with screening holes one at equal distances, the bottom end of the screening box two is provided with screening holes two at equal distances, a shaking screening mechanism connected with the screening box one and the screening box two is provided on the box body, a material shifting mechanism is provided between the screening box one and the screening box two, a material discharging stopper is provided on the screening box one and the screening box two, two material discharging ports are provided on one side of the screening box one and the screening box two, two fixing plates are symmetrically installed on the outer wall of the box body, the top ends of the fixing plates are provided with collecting box one, and the inner wall of the bottom end of the box body is provided with collecting box two located below the screening box two.

[0005] As a further improvement of the above-mentioned scheme, the shaking screening mechanism includes two sliding openings opened on the box body and away from the side of the discharge port. One side of screening box one and screening box two is provided with a sliding rod sliding on the inner wall of the sliding opening. The sliding rod extends to the outside of the box body. The inside of the sliding opening is fixedly connected to a stabilizing rod running through the sliding rod. The sliding rod slides on the outside of the stabilizing rod. The stabilizing rod is sleeved with a spring 1 fixed to the top and bottom ends of the sliding rod. The outside of the box body is provided with a pusher movably connected to the two sliding rods.

[0006] As a further improvement of the above scheme, the pusher includes a dual-axis motor fixed to the side wall of the box body, one of the output shafts of the dual-axis motor is connected to a convex plate, the convex plate is located between two sliding rods, a pulley is installed on the outer wall of the long end of the convex plate, and the pulley is in rolling contact with the side close to the two sliding rods.

[0007] As a further improvement of the above scheme, the material-discharging mechanism includes a rotating shaft installed on the other output shaft of the dual-axis motor, one end of the rotating shaft is fixedly connected to a bevel gear 1, a connecting seat is installed on the rotating shaft, the connecting seat is an L-shaped structure, a rotating cylinder is rotatably installed on the connecting seat, the outer wall of the rotating cylinder is fixedly connected to a bevel gear 2 meshing with the bevel gear 1, both ends of the rotating cylinder are interspersed with transmission shafts, the two transmission shafts are respectively rotatably connected to the screening box 1 and the screening box 2, the two transmission shafts are respectively provided with a connecting seat at the ends away from each other, the two connecting seats are respectively located inside the screening box 1 and the screening box 2, and the outer wall of the connecting seat is fixedly connected to a material-discharging plate slidably connected to the inner wall of the screening box 1 and the screening box 2.

[0008] As a further improvement of the above scheme, limit blocks are symmetrically installed near one end of the two transmission shafts, and limit grooves are symmetrically opened on the inner wall of the rotating cylinder. The limit blocks slide inside the limit grooves, and the limit blocks and the limit grooves are both rectangular structures.

[0009] As a further improvement of the above scheme, the discharge blocking member includes an installation opening opened on one side of screening box one and screening box two, and a shielding door located on the side of the discharge opening is slidably installed on the inner wall of the installation opening, and a connecting rod is fixedly connected to the bottom end of the shielding door, and a spring 2 is provided on the connecting rod, and one end of the two springs 2 is respectively fixed to the bottom end of screening box one and screening box two, and a push plate is provided on one side of the shielding door close to the discharge opening, and slide plates are symmetrically installed on both sides of the shielding door, and a sliding groove slidably connected to the slide plate is provided on the inner wall of the installation opening.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The utility model can realize the reciprocating shaking of the screening box 1 and the screening box 2 through the design of the box body, the opening, the screening box 1, the screening box 2, the screening hole 1, the screening hole 2 and the shaking screening mechanism, so as to realize the graded screening of pumpkin seeds, and at the same time speed up the screening progress of the screening box 1 and the screening box 2 for pumpkin seeds, and improve the screening efficiency of pumpkin seeds;

[0012] 2. Through the design of the material-diverting mechanism, the material-diverting plate continuously digs the pumpkin seeds inside the screening box 1 and the screening box 2 to move, thereby increasing the contact frequency between the pumpkin seeds and the screening holes 1 and 2, thereby effectively reducing the probability of pumpkin seeds larger than the screening holes 1 and 2 blocking them, and effectively accelerating the falling speed of pumpkin seeds smaller than their apertures, thereby improving the screening efficiency of pumpkin seeds;

[0013] 3. The design of the discharging baffle makes it easy to take out the pumpkin seeds in the screening box 1 and the screening box 2, and the pumpkin seeds of different sizes can be graded and stored by the two collecting boxes 1 and 2, so as to effectively classify the pumpkin seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the overall structure of pumpkin breeding seed screening provided in Example 1 of the utility model;

[0015] Figure 2 for Figure 1 Top view of the middle discharging stopper;

[0016] Figure 3 for Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 4 for Figure 2 Stereoscopic diagram.

[0018] Description of main symbols:

[0019] 1. Box body; 2. Opening; 3. Screening box 1; 4. Screening box 2; 5. Screening hole 1; 6. Screening hole 2; 7. Sliding rod; 8. Sliding mouth; 9. Dual-axis motor; 10. Convex plate; 11. Stabilizing rod; 12. Spring 1; 13. Pulley; 14. Discharge port; 15. Fixed plate; 16. Collecting box 1; 17. Collecting box 2; 18. Shielding door; 19. Sliding plate; 20. Sliding groove; 21. Pushing plate; 22. Connecting rod; 23. Spring 2; 24. Rotating shaft; 25. Connecting seat; 26. Rotating cylinder; 27. Bevel gear 1; 28. Bevel gear 2; 29. ​​Limiting groove; 30. Transmission shaft; 31. Limiting block; 32. Diverter plate; 33. Connecting seat. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0021] Embodiment 1:

[0022] Please combine Figures 1 to 4The present embodiment is a seed screening device for pumpkin breeding, comprising a box body 1, an opening 2 is provided on one side of the box body 1, a screening box 3 and a screening box 4 are slidably installed inside the box body 1, the screening box 3 is located above the screening box 4, the bottom end of the screening box 3 is provided with screening holes 5 at equal distances, and the bottom end of the screening box 4 is provided with screening holes 6 at equal distances. It should be noted here that the aperture of the screening hole 5 is larger than the aperture of the screening hole 6, so that pumpkin seeds smaller than the screening hole 5 in the screening box 3 fall into the screening box 4, and pumpkin seeds larger than the screening hole 5 are located in the screening box 3, and pumpkin seeds smaller than the screening hole 6 in the screening box 4 fall into the collecting box 17, so that the present design realizes the classification of pumpkin seeds. The pumpkin seeds in the screening box 1 3 and the screening box 2 4 are conveniently taken out and placed in the collecting box 1 16 according to the design of the discharging block, so as to facilitate the re-screening of the pumpkin seeds. The box body 1 is provided with a shaking screening mechanism connected with the screening box 1 3 and the screening box 2 4, and a material shifting mechanism is provided between the screening box 1 3 and the screening box 2 4. The screening box 1 3 and the screening box 2 4 are both provided with a discharging block. Two discharging ports 14 are provided on one side of the screening box 1 3 and the screening box 2 4, respectively. Two fixing plates 15 are symmetrically provided on the outer wall of the box body 1. The top of the fixing plates 15 is provided with a collecting box 1 16, and the inner wall of the bottom end of the box body 1 is provided with a collecting box 2 17 located below the screening box 2 4;

[0023] Through the design of the opening 2, the staff can throw the pumpkin seeds to be screened into the interior of the screening box 1 3, and then through the design of the shaking screening mechanism, it is convenient to realize the reciprocating up and down shaking of the screening box 1 3 and the screening box 2 4 on the inner wall of the box body 1, thereby accelerating the screening speed of the screening box 1 3 and the screening box 2 4 for the pumpkin seeds, making it convenient for the pumpkin seeds smaller than the screening hole 1 5 in the screening box 1 3 to fall into the screening box 2 4, and the pumpkin seeds larger than the screening hole 1 5 are located in the screening box 1 3, and the pumpkin seeds smaller than the screening hole 2 6 in the screening box 2 4 fall into the collecting box 2 17, thereby realizing the graded screening of the pumpkin seeds, and at the same time, in conjunction with the design of the material shifting mechanism, it is convenient to continuously shift the pumpkin seeds in the screening box 1 3 and the screening box 2 4, reduce the frequency of the pumpkin seeds larger than the screening hole 1 5 and the screening hole 2 6 blocking them, thereby accelerating the falling speed of the pumpkin seeds smaller than their apertures, thereby effectively improving the screening efficiency of the pumpkin seeds.

[0024] The shaking screening mechanism includes two sliding openings 8 opened on the box body 1 and away from the discharge port 14. The screening box 1 3 and the screening box 2 4 are both provided with a sliding rod 7 sliding on the inner wall of the sliding opening 8. The sliding rod 7 extends to the outside of the box body 1. The inside of the sliding opening 8 is fixedly connected with a stabilizing rod 11 running through the sliding rod 7. The sliding rod 7 slides on the outside of the stabilizing rod 11. The stabilizing rod 11 is sleeved with a spring 12 fixed to the top and bottom ends of the sliding rod 7. The outside of the box body 1 is provided with a pusher movably connected to the two sliding rods 7. The pusher includes a double-axis motor 9 fixed to the side wall of the box body 1. One of the output shafts of the double-axis motor 9 is connected with a convex plate 10. The convex plate 10 is located between the two sliding rods 7. A pulley 13 is installed on the outer wall of the long end of the convex plate 10. The pulley 13 is in rolling contact with the side close to the two sliding rods 7.

[0025] By starting the dual-axis motor 9, the dual-axis motor 9 will drive the convex plate 10 to rotate, and the convex plate 10 will drive the pulley 13 to rotate synchronously. When the convex plate 10 drives the pulley 13 to rotate downward, the pulley 13 will contact the top of the slide bar 7 located below, and then the slide bar 7 will slide on the stabilizing bar 11, and the screening box 2 4 will move downward, and the spring 12 will generate elastic force. At the same time, when the pulley 13 rotates upward, the pulley 13 will be separated from the contact with the slide bar 7 located below, and under the elastic force of the spring 12, the screening box 2 will be moved downward. In the process of pulley 13 moving downward, and under the elastic force of spring 12, screening box 13 will move downward, thereby realizing the reciprocating shaking of screening box 13 and screening box 2 4, which is convenient for accelerating the screening progress of pumpkin seeds by screening box 1 3 and screening box 2 4, and effectively improving the screening efficiency of pumpkin seeds.

[0026] The material-dispensing mechanism includes a rotating shaft 24 mounted on the other output shaft of the dual-axis motor 9, one end of the rotating shaft 24 is fixedly connected to a bevel gear 1 27, a connecting seat 25 is mounted on the rotating shaft 24, the connecting seat 25 is an L-shaped structure, a rotating cylinder 26 is rotatably mounted on the connecting seat 25, the outer wall of the rotating cylinder 26 is fixedly connected to a bevel gear 28 meshing with the bevel gear 1 27, and transmission shafts 30 are inserted at both ends of the rotating cylinder 26, and the two transmission shafts 30 are respectively connected to the sieving box 1 3 and the sieving box 2 4 for rotation. The two transmission shafts 30 are connected, and a connecting seat 33 is provided at one end away from each other. The two connecting seats 33 are respectively located inside the screening box 1 3 and the screening box 2 4. The outer wall of the connecting seat 33 is fixedly connected with a material-pickup plate 32 that is slidably connected to the inner wall of the screening box 1 3 and the screening box 2 4. The two transmission shafts 30 are symmetrically installed with a limiting block 31 at one end close to each other. The inner wall of the rotating cylinder 26 is symmetrically provided with a limiting groove 29. The limiting block 31 slides inside the limiting groove 29, and the limiting block 31 and the limiting groove 29 are both rectangular structures;

[0027] When the dual-axis motor 9 is working, the rotating shaft 24 will rotate, and the rotating shaft 24 will drive the bevel gear 1 27 to rotate. Through the meshing connection relationship between the bevel gear 1 27 and the bevel gear 2 28, the bevel gear 2 28 will rotate, and the bevel gear 2 28 will drive the rotating cylinder 26 to rotate, and the rotating cylinder 26 will drive the limiting groove 29 to rotate. Through the connection relationship between the limiting groove 29 and the limiting block 31, the limiting block 31 will drive the transmission shaft 30 to rotate, and the transmission shaft 30 drives the connecting seat 33 to rotate. The connecting seat 33 will drive the material-digging plate 32 to rotate, so that the material-digging plate 32 slides at the bottom ends of the screening box 1 3 and the screening box 2 4, and the material-digging plate 32 continuously digs the pumpkin seeds to move, thereby increasing the contact frequency between the pumpkin seeds and the screening holes 1 5 and the screening holes 2 6, thereby effectively reducing the frequency of the pumpkin seeds that are larger than the screening holes 1 5 and the screening holes 2 6 blocking them, and effectively accelerating the falling speed of the pumpkin seeds that are smaller than their apertures, thereby improving the screening efficiency of the pumpkin seeds.

[0028] The discharging blocking member includes a mounting opening opened on one side of the screening box 1 3 and the screening box 2 4, a shielding door 18 located on one side of the discharging port 14 is slidably installed on the inner wall of the mounting opening, a connecting rod 22 is fixedly connected to the bottom end of the shielding door 18, a spring 23 is arranged on the connecting rod 22, one end of the two springs 23 is respectively fixedly connected to the bottom end of the screening box 1 3 and the screening box 2 4, a push plate 21 is arranged on one side of the shielding door 18 close to the discharging port 14, a slide plate 19 is symmetrically arranged on both sides of the shielding door 18, and a slide groove 20 slidably connected to the slide plate 19 is arranged on the inner wall of the mounting opening; when it is necessary to take out the pumpkin seeds in the screening box 1 3 and the screening box 2 4, firstly, the convex plate 10 drives the pulley 13 After rotating to vertically downward, the staff then presses the push plate 21 downward from the discharge port 14, and the push plate 21 will push the shielding door 18 downward, and the shielding door 18 will drive the slide plate 19 to slide inside the slide groove 20. At the same time, the shielding door 18 will drive the connecting rod 22 to move downward synchronously, and stretch the spring 23, and press the shielding door 18 to be flush with the bottom ends of the screening box 1 3 and the screening box 2 4. Then the staff continuously moves the pumpkin seeds inside the screening box 1 3 and the screening box 2 4 to fall into the collecting box 1 16. Therefore, the design uses two collecting boxes 1 16 and 17 to realize the graded storage of pumpkin seeds of different sizes, and effectively realize the classification of pumpkin seeds.

[0029] The implementation principle of a pumpkin breeding seed screening device in the embodiment of the present application is as follows:

[0030] The staff can throw the pumpkin seeds to be screened into the screening box 1 3 and start the double-axis motor 9, which will drive the convex plate 10 to rotate, and the convex plate 10 will drive the pulley 13 to rotate synchronously. When the convex plate 10 drives the pulley 13 to rotate downward, the pulley 13 will contact the top of the slide bar 7 located below, and then the slide bar 7 will slide on the stabilizing bar 11, and the screening box 2 4 will move downward, and the spring 12 will generate elastic force. At the same time, when the pulley 13 rotates upward, the pulley 13 will be out of contact with the slide bar 7 located below, and the spring 12 will generate elastic force. 2, the screening box 2 4 will move up, and the pulley 13 will contact the slide bar 7 located above during the upward movement, and then push the slide bar 7 to drive the screening box 1 3 to move up, and then the screening box 1 3 will drive the pumpkin seeds to move up synchronously, and in the process of the pulley 13 moving downward, and under the elastic force of the spring 12, the screening box 1 3 will move down, and then the reciprocating shaking of the screening box 1 3 and the screening box 2 4 can be realized, so as to speed up the screening progress of the pumpkin seeds by the screening box 1 3 and the screening box 2 4, and effectively improve the screening efficiency of the pumpkin seeds;

[0031] When the dual-axis motor 9 is working, the rotating shaft 24 will be realized to rotate, and the rotating shaft 24 will drive the bevel gear 1 27 to rotate. Through the meshing connection relationship between the bevel gear 1 27 and the bevel gear 2 28, the bevel gear 2 28 will be rotated, and the bevel gear 2 28 will drive the rotating cylinder 26 to rotate, and the rotating cylinder 26 will drive the limiting groove 29 to rotate. Through the connection relationship between the limiting groove 29 and the limiting block 31, the limiting block 31 will drive the transmission shaft 30 to rotate, and the transmission shaft 30 drives the connecting seat 33 to rotate. The connecting seat 33 will drive the material-digging plate 32 to rotate, so that the material-digging plate 32 slides at the bottom ends of the screening box 1 3 and the screening box 2 4, and the material-digging plate 32 continuously digs the pumpkin seeds to move, thereby increasing the contact frequency between the pumpkin seeds and the screening holes 1 5 and the screening holes 2 6, thereby effectively reducing the frequency of the pumpkin seeds that are larger than the screening holes 1 5 and the screening holes 2 6 blocking them, and effectively accelerating the falling speed of the pumpkin seeds that are smaller than their apertures, thereby improving the screening efficiency of the pumpkin seeds;

[0032] When it is necessary to take out the pumpkin seeds in the screening box 1 3 and the screening box 2 4, first, the convex plate 10 drives the pulley 13 to rotate vertically downward, and then the staff presses the push plate 21 downward from the discharge port 14, and the push plate 21 will push the shielding door 18 to move downward, and the shielding door 18 will drive the slide plate 19 to slide inside the slide groove 20. At the same time, the shielding door 18 will drive the connecting rod 22 to move downward synchronously, and stretch the spring 23, and press the shielding door 18 to be flush with the bottom end of the screening box 1 3 and the screening box 2 4, and then the staff continuously moves the pumpkin seeds in the screening box 1 3 and the screening box 2 4 to fall into the collecting box 1 16, and then the design uses two collecting boxes 1 16 and collecting boxes 2 17 to realize the graded storage of pumpkin seeds of different sizes, and effectively realize the classification of pumpkin seeds.

[0033] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A seed screening device for pumpkin breeding, characterized in that: The utility model comprises a box body, one side of which is provided with an opening, a screening box 1 and a screening box 2 are slidably installed inside the box body, the screening box 1 is located above the screening box 2, the bottom end of the screening box 1 is provided with screening holes 1 at equal distances, the bottom end of the screening box 2 is provided with screening holes 2 at equal distances, a shaking screening mechanism connected with the screening box 1 and the screening box 2 is provided on the box body, a material shifting mechanism is provided between the screening box 1 and the screening box 2, a material discharge stopper is installed on the screening box 1 and the screening box 2, two material discharge ports are provided on one side of the screening box 1 and the screening box 2, respectively, two fixing plates are symmetrically installed on the outer wall of the box body, the top ends of the fixing plates are provided with collecting box 1, and the inner wall of the bottom end of the box body is provided with collecting box 2 located below the screening box 2.

2. The pumpkin breeding seed screening device according to claim 1, characterized in that: The shaking screening mechanism includes two sliding openings opened on the box body and away from the discharge port. One side of the screening box 1 and the screening box 2 is provided with a sliding rod sliding on the inner wall of the sliding opening. The sliding rod extends to the outside of the box body. The inside of the sliding opening is fixedly connected with a stabilizing rod running through the sliding rod. The sliding rod slides on the outside of the stabilizing rod. The stabilizing rod is sleeved with a spring 1 fixed to the top and bottom ends of the sliding rod. The outside of the box body is provided with a pusher movably connected to the two sliding rods.

3. The pumpkin breeding seed screening device according to claim 2, characterized in that: The pusher includes a double-axis motor fixed to the side wall of the box body, one of the output shafts of the double-axis motor is connected to a convex plate, the convex plate is located between two slide bars, a pulley is installed on the outer wall of the long end of the convex plate, and the pulley is in rolling contact with the side close to the two slide bars.

4. The pumpkin breeding seed screening device according to claim 3, characterized in that: The material-moving mechanism includes a rotating shaft installed on the other output shaft of the dual-shaft motor, one end of the rotating shaft is fixedly connected to a bevel gear 1, a connecting seat is installed on the rotating shaft, the connecting seat is an L-shaped structure, a rotating cylinder is rotatably installed on the connecting seat, the outer wall of the rotating cylinder is fixedly connected to a bevel gear 2 meshing with the bevel gear 1, both ends of the rotating cylinder are interspersed with transmission shafts, the two transmission shafts are respectively rotatably connected to the screening box 1 and the screening box 2, the two transmission shafts are respectively provided with a connecting seat at one end away from the other, the two connecting seats are respectively located inside the screening box 1 and the screening box 2, and the outer wall of the connecting seat is fixedly connected to a material-moving plate slidably connected to the inner wall of the screening box 1 and the screening box 2.

5. The pumpkin breeding seed screening device according to claim 4, characterized in that: The two transmission shafts are symmetrically installed with limit blocks at one end close to each other, and the inner wall of the rotating cylinder is symmetrically provided with limit grooves, the limit blocks slide inside the limit grooves, and both the limit blocks and the limit grooves are rectangular structures.

6. The pumpkin breeding seed screening device according to claim 1, characterized in that: The discharging blocking member includes an installation opening opened on one side of the screening box one and the screening box two, and a shielding door located on the side of the discharging opening is slidably installed on the inner wall of the installation opening, and the bottom end of the shielding door is fixedly connected to a connecting rod, and a spring 2 is provided on the connecting rod, and one end of the two springs 2 is respectively fixedly connected to the bottom end of the screening box one and the screening box two, and a push plate is provided on one side of the shielding door close to the discharging opening, and slide plates are symmetrically installed on both sides of the shielding door, and a sliding groove slidably connected to the slide plate is opened on the inner wall of the installation opening.

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