Full-automatic beet seed specific gravity concentration device and method

Abstract

The invention provides a full-automatic beet seed specific gravity concentration device and method, and relates to the technical field of seed selection and screening devices. A plurality of sorting chambers which are distributed at equal intervals are formed in the sorting box, and inclined groove slide ways are formed in the bottoms of the sorting chambers; the sorting disc is movably arranged above the discharging inclined plate, and the specific gravity sorting plate is installed in the sorting disc in an angle-adjustable mode; and the discharging mechanism comprises a discharging hopper, a lifting mechanism and a translation driving base, seeds stored in the sorting chamber slide downwards along an inclined groove slide way under the action of gravity and fall into the discharging hopper again, so that multiple times of sorting operation can be carried out, quantitative seed delivery can be carried out, re-sorting of the sorted seeds is automatically completed, and the sorting efficiency is improved. The whole sorting process does not need excessive manual participation, the sorting quality and efficiency are improved while the manual sorting burden is reduced, and the device is suitable for being widely popularized in the field of seed selection.

Description

Technical Field

[0001] The present invention relates to the technical field of seed selection and screening devices, and particularly to a fully automatic specific gravity selection device and method for sugar beet seeds. Background Art

[0002] A rice seed specific gravity separation device with the publication number of "CN211217490U" in the prior art includes a separation box body. An inlet is fixedly installed at the upper end of the separation box body. The lower end of the inlet passes through the upper end of the separation box body and extends into the interior of the separation box body. First support frames are fixedly installed at the front and rear ends of the separation box body. A discharge port is fixedly arranged at the lower end of the separation box body. The upper end of the discharge port passes through the separation box body and extends into the interior of the separation box body. A second support seat is rotatably installed below the separation box body. A conveyor belt is rotatably installed at the upper end of the second support seat. The conveyor belt is located directly below the discharge port. A drive motor is fixedly installed at the front end of the second support seat at the right end of the conveyor belt. The drive motor is fixedly connected to the conveyor belt. This rice seed specific gravity separation device has high separation accuracy, can achieve quantitative separation, and at the same time has a simple structure and low cost, and is suitable for specific gravity separation of various different seeds and other granular materials.

[0003] However, there are still relatively obvious defects in the use of the above device: During the feeding process of the above device, it is necessary to continuously manually feed the materials to be screened onto the vibrating plate, but manual feeding will cause unstable feeding rates, thereby affecting the separation effect. And the seeds usually need to be sorted twice or even multiple times. However, the secondary sorting operation of the above device still needs to be carried out manually, thus increasing the sorting difficulty and labor burden. Summary of the Invention

[0004] The purpose of the present invention is to provide a fully automatic specific gravity selection device and method for sugar beet seeds to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A fully automatic specific gravity selection device for sugar beet seeds, comprising:

[0007] A base, on which a selection box is fixedly installed;

[0008] Selection box, wherein a number of sorting chambers are arranged at equal intervals in the selection box, an inclined groove slideway is arranged at the bottom of the sorting chamber, and a number of blanking holes are also penetrated through the plate body on one side of the bottom of the inclined groove slideway of the selection box. The number of the blanking holes corresponds to the sorting chambers one by one. Blanking baffles are installed in the blanking holes in a lifting manner. The blanking baffles are connected to the selection box through closing springs. The closing springs push the blanking baffles upward under the action of no external force so as to block the blanking holes. Pushing claws are also fixedly installed on the blanking baffles;

[0009] Blanking inclined plate, which is fixedly installed above the selection box. A number of blanking channels with the same number and corresponding one by one as the sorting chambers are arranged on the blanking baffle. The blanking channels are arranged on the side far away from the blanking holes;

[0010] Sorting disc, which is movably arranged above the blanking inclined plate. A plurality of partition blocks are fixedly installed on one side of the sorting disc close to the blanking channels. The partition blocks are used to block and isolate a number of blanking channels. An assembly hole is also arranged inside the sorting disc, and a specific gravity sorting plate is installed through the assembly hole. A magnetic attraction matching block is also fixedly installed on the outer peripheral plate body on one side of the sorting disc far away from the partition blocks;

[0011] Specific gravity sorting plate, which is installed in the sorting disc with an adjustable angle; and,

[0012] Blanking mechanism, which includes a blanking hopper, a lifting mechanism and a translation driving base. The translation driving base is movably matched with a track bar installed on the base through a track groove arranged at the bottom. A screening and blanking hole is arranged on one side of the blanking hopper close to the sorting disc. A quantitative blanking mechanism is arranged in the screening and blanking hole. A vibration motor is also fixedly installed at the bottom of the blanking hopper. An electromagnetic adsorption block is fixedly installed on the driving shaft of the vibration motor. The electromagnetic adsorption block is magnetically matched with the magnetic attraction matching block, so as to transmit the vibration generated by the vibration motor to the sorting disc, and then drive the sorting disc to perform sorting vibration. A pushing block is also fixedly installed on one side of the blanking hopper close to the selection box. The pushing block is movably matched with the pushing claw. When the pushing block descends to drive the pushing claw to move downward, the blanking baffle overcomes the elastic force of the closing spring to make the blanking hole open. At this time, the seeds stored in the corresponding sorting chamber slide down along the inclined groove slideway and fall into the blanking hopper again under the action of gravity, so as to perform multiple sorting operations.

[0013] Preferably, screening springs are fixedly installed on both sides of the selection box, L-shaped connecting plates are correspondingly installed on both sides of the sorting disc, and one end of the L-shaped connecting plate far away from the sorting disc is fixedly connected to the screening spring.

[0014] Preferably, the lifting mechanism for driving the blanking hopper to lift is a hydraulic telescopic cylinder or a screw rod lifting mechanism.

[0015] Preferably, the quantitative feeding mechanism includes a screw sleeve fixedly installed in the screening and feeding hole. A feeding screw is rotatably installed in the screw sleeve in a fixed-axis manner. The feeding screw is fixedly connected to the driving shaft of a stepping motor. The stepping motor is fixedly installed in the feeding hopper. The rotation of the stepping motor drives the screw sleeve to rotate, thereby performing the feeding operation.

[0016] Preferably, profiling vibrating inclined plates are respectively and correspondingly installed in the inclined groove slides formed in the selection box. Both the upper and lower sides of the profiling vibrating inclined plates are connected to vibrating springs. The vibrating springs are movably installed in the spring holes formed in the selection box. The sides of the vibrating springs away from the profiling vibrating inclined plates are all abutted against limiting blocks. The limiting blocks are matched with the internal threads formed at the bottoms of the spring holes through the external threads formed thereon. A vibrating rod is also inserted and connected in the spring hole closer to the feeding hopper. The upper end of the vibrating rod is fixedly connected to the profiling vibrating inclined plate, and the lower end of the vibrating rod extends outside the selection box through the through hole formed in the limiting block.

[0017] Preferably, a magnetic vibrating block is fixedly installed at one end of the vibrating rod away from the profiling vibrating inclined plate. The magnetic vibrating block is magnetically matched with an electromagnetic adsorption block. The vibration generated by the electromagnetic adsorption block drives the profiling vibrating inclined plate to vibrate synchronously, thereby prompting the seeds to slide down along the ramp of the profiling vibrating inclined plate and enter the feeding hopper.

[0018] Preferably, an angle adjustment groove is also formed through one side of the sorting disk. A limiting screw is movably inserted in the angle adjustment groove. The limiting screw is fixedly installed on the side of the specific gravity sorting plate away from the assembly hole. A abutting limiting block is also threadedly installed on the limiting screw. By rotating the abutting limiting block to abut against the side of the sorting disk, the specific gravity sorting plate is limited and fixed.

[0019] Preferably, a feeding guide plate is rotatably installed on the feeding hopper at the bottom of the screening and feeding hole. The feeding guide plate adjusts its orientation under the drive of a deflection motor. The deflection motor is fixedly installed at the bottom of the feeding hopper.

[0020] A full-automatic specific gravity selection method for sugar beet seeds, using the above full-automatic specific gravity selection device for sugar beet seeds, includes the following steps:

[0021] Step 1: Empty the sorting chamber, sorting disk and feeding hopper, and put the seeds to be screened into the feeding hopper.

[0022] Step 2: Adjust the inclination angle of the specific gravity sorting plate to meet the sorting requirements of corresponding types of seeds.

[0023] Step 3: Drive the feeding hopper to move through the lifting mechanism so that it moves to the screening and feeding position. At this time, the electromagnetic adsorption block and the magnetic adsorption matching block are magnetically matched. After the feeding hopper is fixed, quantitative feeding is carried out through the quantitative feeding mechanism, and the vibration motor is synchronously turned on to work. The vibration of the vibration motor drives the sorting disk to vibrate, so that the seeds enter the corresponding sorting chambers through the feeding channel during the vibration until the first sorting of all seeds is completed;

[0024] Step 4: After the first sorting is completed, drive the translation drive base and the lifting mechanism to move so that the feeding hopper reaches the material taking position. At this time, the pushing block installed on the feeding hopper is movably matched with the pushing claw, and the feeding baffle is pushed downward to open the feeding hole. At this time, the seeds stored in the corresponding sorting chamber slide down along the inclined groove slideway under the action of gravity and fall into the feeding hopper again. After all the seeds in a single sorting chamber have completely fallen, the feeding hopper moves to the feeding position again, and the second screening is carried out in the same way as in Step 3;

[0025] Step 5: Repeat the method in Step 4 to carry out the feeding and secondary screening of each sorting chamber in turn until the secondary screening operations of all sorting chambers are completed.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] The present invention can quantitatively deliver seeds and automatically complete the secondary sorting of the sorted seeds. The whole sorting process does not require much manual participation, reducing the manual sorting burden and improving the sorting quality and efficiency at the same time, and is suitable for wide promotion in the seed selection field. Description of the Drawings

[0028] Figure 1 is an exploded view of the overall structure of the present invention;

[0029] Figure 2 is a schematic diagram of the state of the feeding hopper of the present invention at the material taking position;

[0030] Figure 3 is a schematic diagram of the state of the feeding hopper of the present invention at the feeding position;

[0031] Figure 4 is a schematic diagram of the sectional view and partial enlarged structure of the present invention;

[0032] Figure 5 is a schematic diagram of the open state of the feeding hole of the present invention;

[0033] Figure 6 is a schematic diagram of the installation position and connection structure of the profiling vibration inclined plate of the present invention;

[0034] Figure 7 is a schematic diagram of the sorting chamber and the inclined groove slideway of the present invention;

[0035] Figure 8 Schematic diagram of the limit screw and its connection structure of the present invention.

[0036] In the figure: 1 base, 2 selection box, 3 sorting chamber, 4 inclined groove slideway, 5 blanking hole, 6 blanking baffle, 7 pushing claw, 8 blanking inclined plate, 9 blanking channel, 10 sorting disk, 11 partition block, 12 assembly hole, 13 specific gravity sorting plate, 14 magnetic adsorption matching block, 15 blanking hopper, 16 translation drive base, 17 track groove, 18 track bar, 19 vibration motor, 20 electromagnetic adsorption block, 21 pushing block, 22 screening spring, 23 L-shaped connecting plate, 24 hydraulic telescopic cylinder, 25 screw sleeve, 26 blanking screw, 27 stepping motor, 28 profiling vibration inclined plate, 29 vibration spring, 30 limit block, 31 vibration rod, 32 magnetic vibration block, 33 angle adjustment groove, 34 limit screw, 35 abutting limit block, 36 screening blanking hole, 37 blanking guiding plate. Specific embodiments

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Please refer to Figure 1-8 , the present invention provides a technical solution:

[0039] Embodiment 1:

[0040] A fully automatic beet seed specific gravity selection device, comprising:

[0041] Base 1, on which a selection box 2 is fixedly installed;

[0042] Selection box 2, in which a number of sorting chambers 3 are arranged at equal intervals. An inclined groove slideway 4 is provided at the bottom of the sorting chamber 3. A number of blanking holes 5 are also penetrated through the plate body of the selection box 2 on one side of the bottom of the inclined groove slideway 4. The number of blanking holes 5 corresponds to the sorting chambers 3 one by one. Blanking baffles 6 are installed in the blanking holes 5 in a lifting manner. The number of blanking baffles 6 is connected to the selection box 2 through closing springs. The closing springs push the blanking baffles 6 upward to block the blanking holes 5 without external force. Pushing claws 7 are also fixedly installed on the blanking baffles 6;

[0043] Blanking inclined plate 8, which is fixedly installed above the selection box 2. A number of blanking channels 9, the number of which is the same as and corresponds to the sorting chambers 3 one by one, are provided on the blanking baffle 6. The blanking channels 9 are arranged on the side far from the blanking holes 5;

[0044] The sorting disk 10 is movably arranged above the blanking inclined plate 8. A plurality of partition blocks 11 are fixedly installed on one side of the sorting disk 10 close to the blanking channel 9. The partition blocks 11 are used to block and isolate a number of blanking channels 9. An assembly hole 12 is also opened inside the sorting disk 10, and the specific gravity sorting plate 13 is installed through the assembly hole 12. A magnetic adsorption matching block 14 is also fixedly installed on the outer peripheral plate of the sorting disk 10 on the side away from the partition block 11;

[0045] The specific gravity sorting plate 13 is installed in the sorting disk 10 in an angle-adjustable manner; and,

[0046] The blanking mechanism includes a blanking hopper 15, a lifting mechanism and a translation drive base 16. The translation drive base 16 is movably matched with a track bar 18 installed on the base 1 through a track groove 17 opened at the bottom. A screening blanking hole 36 is opened on one side of the blanking hopper 15 close to the sorting disk 10. A quantitative blanking mechanism is arranged in the screening blanking hole 36. A vibration motor 19 is also fixedly installed at the bottom of the blanking hopper 15. An electromagnetic adsorption block 20 is fixedly installed on the drive shaft of the vibration motor 19. The electromagnetic adsorption block 20 is magnetically matched with the magnetic adsorption matching block 14, so as to transmit the vibration generated by the vibration motor 19 to the sorting disk 10, and then drive the sorting disk 10 to perform sorting vibration. A pushing block 21 is also fixedly installed on one side of the blanking hopper 15 close to the fine selection box 2. The pushing block 21 is movably matched with the pushing claw 7. When the pushing block 21 descends to drive the pushing claw 7 to move downward, the blanking baffle 6 overcomes the elastic force of the closing spring to work, so that the blanking hole 5 is opened. At this time, the seeds stored in the corresponding sorting chamber 3 slide down along the inclined groove slideway 4 under the action of gravity and fall into the blanking hopper 15 again, so as to perform multiple sorting operations.

[0047] In this embodiment, the base 1 serves as a bearing mechanism for various components. The screening box 2 is fixedly installed on the base 1. A number of sorting chambers 3 are arranged at equal intervals in the screening box 2. In this embodiment, a structure with 4 sorting chambers 3 is adopted. An inclined groove slideway 4 is provided at the bottom of the sorting chamber 3. This setting is to facilitate the sliding and outflow of the seeds falling into the interior. Therefore, a number of blanking holes 5 are also penetrated through the plate body on one side of the bottom of the inclined groove slideway 4. The seeds fall from the sorting chamber 3 through the blanking holes 5. To prevent the sorted seeds from falling disorderly, a blanking baffle 6 is installed in a lifting manner at the blanking hole 5. The blanking baffle 6 is connected to the screening box 2 through a closing spring. The closing spring is used to ensure that the blanking hole 5 is in a closed state without external force. A pushing claw 7 is provided at the bottom of the blanking baffle 6. By pushing the pushing claw 7 downward, the limit of the blanking baffle 6 on the blanking hole 5 is released. A blanking inclined plate 8 is provided above the screening box 2. Four blanking channels 9 that are consistent with the number of sorting chambers 3 and correspond one by one are provided on the blanking baffle 6. The seeds fall into the corresponding sorting chambers 3 through the corresponding blanking channels 9. The sorting disk 10 is movably installed above the blanking inclined plate 8. By the reciprocating vibration of the sorting disk 10, the seeds on it are promoted to enter the corresponding sorting disk 10. Three partition blocks 11 are fixedly installed on one side of the sorting disk 10 close to the blanking channel 9 to block and isolate the adjacent blanking channels 9 to prevent the seeds from mistakenly entering the non-corresponding sorting chambers 3. An assembly hole 12 is also provided inside the sorting disk 10. A specific gravity sorting plate 13 is installed on it in a rotating shaft manner, and the specific gravity sorting plate 13 can be adjusted in angle so that it can perform screening operations on different types of seeds. A magnetic attraction matching block 14 is provided on the side of the sorting disk 10 to cooperate with the electromagnetic adsorption block 20 installed on the blanking hopper 15. The electromagnetic adsorption block 20 is an electrically driven magnet structure. When it is energized, it can generate a magnetic force and adsorb the magnetic attraction matching block 14. Conversely, when the power is removed, the magnetic adsorption state between the two is released. The blanking hopper 15 is part of the blanking mechanism. The blanking mechanism further includes a lifting mechanism and a translation driving base 16. The translation driving base 16 performs precise horizontal translation sliding through the built-in wheel driving mechanism, thereby driving the lifting mechanism and the blanking hopper 15 fixedly connected thereto. The lifting mechanism is a hydraulic telescopic cylinder 24 or a screw lifting mechanism. Of course, other lifting driving mechanisms can also be used, which are not beyond the protection scope of this application. The translation driving base 16 and the lifting mechanism drive the blanking hopper 15 to perform translation movements in the Y-axis and Z-axis directions, so that the blanking hopper 15 has two working modes: material taking and blanking. When it is in the blanking working mode, refer to the accompanying Figure 3 drawing. In this state, the seeds in the blanking hopper 15 enter the sorting disk 10 quantitatively, so as to perform screening and blanking of the seeds. When it is in the material taking working mode, refer to the accompanying Figure 2, in this state, the hopper 15 is located below the discharging hole 5. At this time, the discharging baffle 6 is opened, and the seeds in the sorting chamber 3 can fall into the hopper 15 under the action of gravity for further screening operation.

[0048] Embodiment Two:

[0049] Screening springs 22 are fixedly installed on both sides of the selection box 2, and L-shaped connecting plates 23 are correspondingly installed on both sides of the sorting disc 10. One end of the L-shaped connecting plate 23 far from the sorting disc 10 is fixedly connected to the screening spring 22.

[0050] In this embodiment, the selection box 2 and the sorting disc 10 are connected by the screening spring 22 and the L-shaped connecting plate 23. By setting the screening spring 22, the stability of the sorting disc 10 during vibration is improved.

[0051] Embodiment Three:

[0052] The quantitative feeding mechanism includes a screw sleeve 25, which is fixedly installed in the screening and discharging hole 36. A feeding screw 26 is rotatably installed in the screw sleeve 25 in a fixed-axis manner. The feeding screw 26 is fixedly connected to the driving shaft of the stepping motor 27. The stepping motor 27 is fixedly installed in the hopper 15. By rotating the stepping motor 27, the screw sleeve 25 is driven to rotate for feeding operation.

[0053] In this embodiment, by rotating the stepping motor 27 to drive the feeding screw 26 to rotate in the screw sleeve 25, the release rate of the seeds can be accurately adjusted, and then the screening process can be adjusted according to the screening situation, so as to ensure the smooth progress of the screening process.

[0054] Embodiment Four:

[0055] Profile vibration inclined plates 28 are correspondingly installed in the inclined groove slides 4 opened in the selection box 2 one by one. Both the upper and lower sides of the profile vibration inclined plates 28 are connected to the vibration springs 29. The vibration springs 29 are movably installed in the spring holes opened in the selection box 2. One side of the vibration springs 29 far from the profile vibration inclined plates 28 abuts against the limit blocks 30. The limit blocks 30 are matched with the internal threads opened at the bottom of the spring holes through the external threads opened. A vibration rod 31 is also inserted and connected in the spring hole on the side close to the hopper 15. The upper end of the vibration rod 31 is fixedly connected to the profile vibration inclined plate 28, and the lower end of the vibration rod 31 passes through the through hole opened in the limit block 30 and extends to the outside of the selection box 2.

[0056] In this embodiment, the profile vibration inclined plates 28 are movably installed in the inclined groove slides 4 through the vibration springs 29 on both the upper and lower sides, and the vibration rod 31 is arranged on the side close to the hopper 15. By manually pulling the vibration rod 31, the seeds can be prompted to fall from the sorting chamber 3.

[0057] Embodiment Five:

[0058] A magnetic vibration block 32 is fixedly installed at one end of the vibration rod 31 away from the profiling vibration inclined plate 28. The magnetic vibration block 32 is magnetically matched with the electromagnetic adsorption block 20. The vibration generated by the electromagnetic adsorption block 20 drives the profiling vibration inclined plate 28 to vibrate synchronously, so as to promote the seeds to slide down along the ramp of the profiling vibration inclined plate 28 and enter the feeding hopper 15.

[0059] In this embodiment, a magnetic vibration block 32 is further installed at the bottom of the vibration rod 31. When the feeding hopper 15 is in the state of taking materials, the electromagnetic adsorption block 20 just cooperates with the magnetic vibration block 32. At this time, the electromagnetic adsorption block 20 can be magnetically matched with the magnetic vibration block 32. When the vibration motor 19 works, it can promote the profiling vibration inclined plate 28 to vibrate, and then better perform the material taking operation.

[0060] Embodiment Six:

[0061] An angle adjustment groove 33 is also penetrated and provided on one side of the sorting disc 10. A limiting screw rod 34 is movably inserted in the angle adjustment groove 33. The limiting screw rod 34 is fixedly installed on the side of the specific gravity sorting plate 13 away from the assembly hole 12. A abutting limiting block 35 is also threadedly installed on the limiting screw rod 34. By rotating the abutting limiting block 35 to abut against the side of the sorting disc 10, the specific gravity sorting plate 13 is limited and fixed.

[0062] In this embodiment, the inclination angle of the specific gravity sorting plate 13 can be adjusted by the loosening and tightening operation of the abutting limiting block 35, and can be fixed after the adjustment is completed. This kind of setting can adapt to the sorting operations of different types of seeds.

[0063] Embodiment Seven:

[0064] A feeding guide plate 37 is also fixedly installed on the feeding hopper 15 at the bottom of the screening and feeding hole 36 in a fixed-axis rotation manner. The feeding guide plate 37 adjusts its orientation under the drive of a deflection motor, and the deflection motor is fixedly installed at the bottom of the feeding hopper 15.

[0065] In this embodiment, in order to better guide the seeds in the feeding hopper 15 into the sorting disc 10, a feeding guide plate 37 is also fixedly installed on the feeding hopper 15 at the bottom of the screening and feeding hole 36 in a fixed-axis rotation manner. Through the feeding guide plate 37, the seeds can be better guided to fall into a specific position in the sorting disc 10, so as to smoothly perform the sorting operation. At the same time, the feeding guide plate 37 can change its orientation under the drive of the deflection motor, so that when the feeding hopper 15 is in the material taking working mode, the feeding guide plate 37 does not affect the normal work.

[0066] A full-automatic specific gravity selection method for sugar beet seeds, using the above-mentioned full-automatic specific gravity selection device for sugar beet seeds, includes the following steps:

[0067] Step 1: Empty the sorting chamber 3, the sorting tray 10, and the feeding hopper 15, and place the seeds to be screened into the feeding hopper 15;

[0068] Step 2: Adjust the inclination angle of the specific gravity sorting plate 13 to meet the sorting requirements of the corresponding type of seeds;

[0069] Step 3: Drive the feeding hopper 15 to move through the lifting mechanism so that it moves to the screening and feeding position. At this time, the electromagnetic adsorption block 20 is magnetically engaged with the magnetic adsorption matching block 14. After the feeding hopper 15 is fixed, quantitative feeding is carried out through the quantitative feeding mechanism, and the vibration motor 19 is synchronously started to work. The vibration motor 19 drives the sorting tray 10 to vibrate, so that the seeds enter the corresponding sorting chamber 3 through the feeding channel 9 during vibration until all the seeds are sorted once;

[0070] Step 4: After the first sorting is completed, drive the translation drive base 16 and the lifting mechanism to move so that the feeding hopper 15 reaches the material taking position. At this time, the pushing block 21 installed on the feeding hopper 15 is movably engaged with the pushing claw 7, and the feeding baffle 6 is pushed downward to open the feeding hole 5. At this time, the seeds stored in the corresponding sorting chamber 3 slide down along the inclined groove slideway 4 under the action of gravity and fall into the feeding hopper 15 again. After all the seeds in a single sorting chamber 3 have completely fallen, the feeding hopper 15 moves to the feeding position again, and the second screening is carried out in the same way as in Step 3;

[0071] Step 5: Repeat the method in Step 4 to carry out the feeding and second screening of each sorting chamber 3 in turn until the second screening operation of all sorting chambers 3 is completed.

[0072] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic specific gravity selection device for sugar beet seeds, characterized in that, Including: A base, on which a selection box is fixedly installed; The selection box, in which a number of sorting chambers are arranged at equal intervals. An inclined groove slideway is provided at the bottom of the sorting chamber. A number of blanking holes are also penetrated through the plate body on one side of the bottom of the inclined groove slideway of the selection box. The number of the blanking holes corresponds to the sorting chambers one by one. Blanking baffles are installed in the blanking holes in a lifting manner. The blanking baffles are connected to the selection box through closing springs. The closing springs push the blanking baffles upward to block the blanking holes without external force. A pushing claw is also fixedly installed on the blanking baffle; A blanking inclined plate, which is fixedly installed above the selection box. A number of blanking channels, the number of which is the same as and corresponds to the sorting chambers one by one, are provided on the blanking baffle. The blanking channels are arranged on the side far from the blanking holes; A sorting disk, which is movably arranged above the blanking inclined plate. A number of partition blocks are also fixedly installed on the sorting disk near the blanking channels. The partition blocks are used to block and isolate the blanking channels. An assembly hole is also provided inside the sorting disk, and a specific gravity sorting plate is installed through the assembly hole. A magnetic attraction matching block is also fixedly installed on the outer peripheral plate body of the sorting disk far from the partition blocks; A specific gravity sorting plate, which is installed in the sorting disk in an angle-adjustable manner; and A blanking mechanism, which includes a blanking hopper, a lifting mechanism and a translation driving base. The translation driving base is movably matched with a track bar installed on the base through a track groove provided at the bottom. A screening blanking hole is provided on the blanking hopper near the sorting disk. A quantitative blanking mechanism is arranged in the screening blanking hole. A vibration motor is also fixedly installed at the bottom of the blanking hopper. An electromagnetic adsorption block is fixedly installed on the driving shaft of the vibration motor. The electromagnetic adsorption block is magnetically matched with the magnetic attraction matching block, so as to transmit the vibration generated by the vibration motor to the sorting disk, and then drive the sorting disk to perform sorting vibration. A pushing block is also fixedly installed on the blanking hopper near the selection box. The pushing block is movably matched with the pushing claw. When the pushing block descends to drive the pushing claw to move downward, the blanking baffle overcomes the elastic force of the closing spring to open the blanking hole. At this time, the seeds stored in the corresponding sorting chamber slide down along the inclined groove slideway and fall into the blanking hopper again for multiple sorting operations.

2. The fully automatic beet seed specific gravity selection device according to claim 1, wherein: Screening springs are fixedly installed on both sides of the selection box. L-shaped connecting plates are correspondingly installed on both sides of the sorting disk. One end of the L-shaped connecting plate far from the sorting disk is fixedly connected to the screening spring.

3. The fully automatic specific gravity selection device for sugar beet seeds according to claim 1 or 2, characterized in that: The lifting mechanism for driving the blanking hopper to lift is a hydraulic telescopic cylinder or a screw rod lifting mechanism.

4. The full-automatic specific gravity selection device for sugar beet seeds according to claim 3, wherein: The quantitative blanking mechanism includes a screw sleeve, which is fixedly installed in the screening blanking hole. A blanking screw is rotatably installed in the screw sleeve in a fixed-axis manner. The blanking screw is fixedly connected to the driving shaft of a stepping motor. The stepping motor is fixedly installed in the blanking hopper. The rotation of the stepping motor drives the screw sleeve to rotate for blanking operation.

5. The full-automatic sugar beet seed specific gravity selection device according to claim 4, characterized in that: In the inclined groove chutes opened in the selection box, profiling vibration inclined plates are installed in a one-to-one correspondence. Both the upper and lower sides of the profiling vibration inclined plates are connected to vibration springs. The vibration springs are movably installed in the spring holes opened in the selection box. The sides of the vibration springs away from the profiling vibration inclined plates abut against limit blocks. The limit blocks are matched with the internal threads opened at the bottoms of the spring holes through the external threads opened on them. In the spring holes near the feed hopper, vibration rods are also inserted and connected. The upper ends of the vibration rods are fixedly connected to the profiling vibration inclined plates. The lower ends of the vibration rods pass through the through holes opened in the limit blocks and extend to the outside of the selection box.

6. The full-automatic specific gravity selection device for sugar beet seeds according to claim 5, wherein: A magnetic vibration block is fixedly installed at one end of the vibration rod away from the profiling vibration inclined plate. The magnetic vibration block is magnetically matched with an electromagnetic adsorption block. The vibration generated by the electromagnetic adsorption block drives the profiling vibration inclined plate to vibrate synchronously, thereby prompting the seeds to slide down along the ramp of the profiling vibration inclined plate and enter the feed hopper.

7. An automatic beet seed specific gravity selection device according to claim 6, characterized in that: An angle adjustment groove is also penetrated and opened on one side of the sorting disk. A limit screw rod is movably inserted in the angle adjustment groove. The limit screw rod is fixedly installed on the side of the specific gravity sorting plate away from the assembly hole. An abutting limit block is also threadedly installed on the limit screw rod. By rotating the abutting limit block to abut against the side of the sorting disk, the specific gravity sorting plate is limited and fixed.

8. The fully automatic beet seed gravity selection device according to claim 7, characterized in that: A feed guiding plate is also rotatably installed on the feed hopper at the bottom of the screening feed hole 36. The feed guiding plate adjusts its orientation under the drive of a deflection motor. The deflection motor is fixedly installed at the bottom of the feed hopper 15.

9. A fully automatic specific gravity selection method for sugar beet seeds, which uses the fully automatic specific gravity selection device for sugar beet seeds described in any one of claims 1-8, and is characterized in that, It includes the following steps: Step 1: Empty the sorting chamber, sorting disk and feed hopper, and put the seeds to be screened into the feed hopper. Step 2: Adjust the inclination angle of the specific gravity sorting plate to meet the sorting requirements of the corresponding type of seeds. Step 3: Drive the feed hopper to move through the lifting mechanism so that it moves to the screening and feeding position. At this time, the electromagnetic adsorption block is magnetically matched with the magnetic matching block to keep the feed hopper fixed. Then, quantitative feeding is carried out through the quantitative feeding mechanism, and the vibration motor is synchronously started to work. The vibration of the vibration motor drives the sorting disk to vibrate, so that the seeds enter the corresponding sorting chambers through the feeding channels during the vibration until the first sorting of all the seeds is completed. Step 4: After the first sorting is completed, drive the translation drive base and the lifting mechanism to move so that the feed hopper reaches the material taking position. At this time, the pushing block installed on the feed hopper is movably matched with the pushing claw, and the pushing claw pushes the feed baffle downwards to open the feed hole. At this time, the seeds stored in the corresponding sorting chamber slide down along the inclined groove chute under the action of gravity and fall into the feed hopper again. After all the seeds in a single sorting chamber have completely fallen, the feed hopper moves to the feeding position again, and the second screening is carried out in the manner of Step 3. Step 5: Repeat the method in Step 4 to carry out the feeding and second screening of each sorting chamber in turn until the second screening operations of all the sorting chambers are completed.

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