CN114946339A - Precision seed taking device capable of quickly replacing seed taking plate - Google Patents
Precision seed taking device capable of quickly replacing seed taking plate Download PDFInfo
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- CN114946339A CN114946339A CN202210692313.2A CN202210692313A CN114946339A CN 114946339 A CN114946339 A CN 114946339A CN 202210692313 A CN202210692313 A CN 202210692313A CN 114946339 A CN114946339 A CN 114946339A
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- seed
- adjusting cylinder
- disc
- taking
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
- A01C7/042—Single-grain seeders with or without suction devices using pneumatic means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a precise seed taking device capable of quickly replacing a seed taking disc, which comprises a rack, wherein an air chamber is arranged on the rack, an open end at the front end of the air chamber is closed through the seed taking disc, a transmission shaft is rotatably arranged at the center of the air chamber, and the seed taking disc is arranged on the transmission shaft through a seed taking disc replacing mechanism; the mechanism is changed to kind of dish includes interior regulation section of thick bamboo, the squeeze chip, an outer regulation section of thick bamboo, adjusting part, interior regulation section of thick bamboo, an outer regulation section of thick bamboo suit is on the transmission shaft from inside to outside in proper order, interior regulation section of thick bamboo front end is equipped with first limit flange, an outer regulation section of thick bamboo front end is equipped with second limit flange, the squeeze chip with get kind of a dish detachably suit including on the regulation section of thick bamboo, first limit flange, the squeeze chip, get kind of a dish and second limit flange and arrange in proper order backward from the past, adjust two regulation sections of thick bamboos through adjusting part and follow axial reverse movement, thereby two real limit flanges are close to each other or keep away from each other, and then realize getting the tight or loosen of clamp of kind of dish. The invention has the advantages that: the seed taking working part is convenient and quick to replace.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a precision seed taking device capable of quickly replacing seed taking plates.
Background
The air-suction seeder is a seeder which uses negative pressure to take seeds so as to achieve the purpose of precision seeding, and has stronger advantages in performance and technical content compared with the traditional mechanical seeder. The seed taking device is a core component of the air-suction type seeder, the performance of the seed taking device directly influences the operation quality of the seeder, compared with mechanical seed taking, the air-suction type seed taking device can well achieve single-seed taking, the problems of missed seeding and re-seeding caused by insufficient seed taking quality in the seeding process are effectively reduced, meanwhile, in the seed taking process, the damage to seeds caused by the air-suction type seed taking mode is small, and the air-suction type seed taking device further has the advantages of high seed taking speed, high efficiency and the like. However, the air-suction type seed taking device has problems that the seed taking operation is unstable, the adaptability to the seed taking object is poor, the universality of the seed taking part is not strong, and the like due to the structural limitation. When machines sow the operation, need to change according to the shape and the size of seeding seed grain and get kind of part, because the air-aspiration type seeder structural design is more complicated, it is loaded down with trivial details to cause to get kind of part and change the process, and then reduced seeder's availability factor, increased intensity of labour, how to improve the adaptability that the air-aspiration type seeder got kind of device, satisfy to the quick of different kind seeds, the accurate kind of getting kind, reinforcing seeder's commonality, reliability and efficiency, have important meaning to the development and the popularization and application of air-aspiration type seeder machines.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a precise seed taking device capable of quickly replacing a seed taking plate so as to realize convenient and quick replacement of seed taking working parts, thereby adapting to seeds with different shapes and sizes and improving the universality of the seed taking device.
The invention is realized by the following technical scheme:
a precision seed taking device capable of quickly replacing seed taking discs comprises a rack, wherein an air chamber is arranged on the rack, an air cavity with an opening at the front end is arranged in the air chamber, the opening end at the front end of the air cavity is cylindrical with a section of notch, the opening end at the front end of the air cavity is closed through a disc-shaped seed taking disc, a transmission shaft is rotatably arranged in the center of the air chamber, and the seed taking disc is installed on the transmission shaft through a seed disc replacing mechanism;
the disc replacing mechanism comprises an inner adjusting cylinder, an extruding sheet, an outer adjusting cylinder and an adjusting part, wherein the inner adjusting cylinder and the outer adjusting cylinder are sequentially sleeved on a transmission shaft from inside to outside, the transmission shaft, the inner adjusting cylinder and the outer adjusting cylinder cannot relatively rotate along the circumferential direction, the inner adjusting cylinder can respectively axially move relative to the transmission shaft and the outer adjusting cylinder relative to the inner adjusting cylinder, the front end of the inner adjusting cylinder is provided with a first limit flange, the front end of the outer adjusting cylinder is provided with a second limit flange, the extruding sheet and a disc-fetching disc are detachably sleeved on the inner adjusting cylinder, the first limit flange, the extruding sheet, the disc-fetching disc and the second limit flange are sequentially arranged from front to back, the diameter of a central hole of the disc-fetching disc is larger than the outer diameter of the first limit flange and smaller than the outer diameter of the extruding sheet, the rear section of the outer adjusting cylinder is rotatably supported at the rear end of an air chamber, the rear end of the outer adjusting cylinder and the rear end of the inner adjusting cylinder respectively extend from the rear end of the air chamber and are connected through the adjusting part, the inner adjusting barrel and the outer adjusting barrel are adjusted by the adjusting component to move along the axial direction, so that the first limiting flange and the second limiting flange are close to or far away from each other, and the pressing piece and the second limiting flange clamp or loosen the seed taking plate.
As the above-mentioned preferred scheme who gets kind of a device, adjusting part includes adjust knob, adjust knob front end rotates and installs at air chamber rear end and empty cover on the transmission shaft, the inside big-end-in-front that is provided with of adjust knob, the macropore end in step hole is first screw hole, the micropore end in step hole is the second screw hole, the screw thread direction of first screw hole and second screw hole is opposite, outer regulation section of thick bamboo rear end is first screw rod end, inner regulation section of thick bamboo rear end is the second screw rod end, threaded connection between the first screw rod end of outer regulation section of thick bamboo and the first screw hole of adjust knob, threaded connection between the second screw rod end of inner regulation section of thick bamboo and the second screw hole of adjust knob, thereby rotatory adjust knob drives outer regulation section of thick bamboo and inner regulation section of thick bamboo along axial reverse movement.
As a preferable scheme of the seed taking device, a limit disc is arranged at the front end of the transmission shaft, the limit disc is used for limiting the front limit position of the forward movement of the inner adjusting cylinder, and the step surface of the step hole of the adjusting knob is used for limiting the rear limit position of the backward movement of the inner adjusting cylinder.
As a preferable scheme of the seed taking device, a rear end plate is arranged at the rear end of a stepped hole of the adjusting knob, the adjusting knob is sleeved on the transmission shaft in a hollow mode through a central hole of the rear end plate, the rear limit position of the backward movement of the inner adjusting cylinder is limited through the rear end plate, and the front limit position of the forward movement of the inner adjusting cylinder is limited through the extrusion sheet.
As the preferred scheme of the seed taking device, the front end of the adjusting knob is rotatably installed at the rear end of the air chamber through a pressure plate, a circle of annular flange is arranged at the front end of the adjusting knob, the pressure plate is fixedly installed at the rear end of the air chamber, the pressure plate is sleeved on the adjusting knob in an empty mode, an annular groove matched with the annular flange is formed in the pressure plate, and the annular flange of the adjusting knob is arranged in the annular groove.
As a preferable scheme of the seed taking device, the extrusion sheet is an annular sheet with a radial opening.
As the preferable scheme of the seed taking device, the outer side wall of the inner adjusting cylinder is provided with a kidney-shaped groove extending along the axial direction, the outer adjusting cylinder is fixedly connected with a rotation stopping pin extending along the radial direction of the outer adjusting cylinder, the inner end of the rotation stopping pin is embedded into the kidney-shaped groove of the inner adjusting cylinder, and the diameter of the rotation stopping pin is matched with the width of the kidney-shaped groove.
As the preferable scheme of the seed taking device, the frame is provided with the seed box and the seed guiding box, the seed box and the seed guiding box are arranged on the front side of the seed taking disc side by side, the open end of the rear end of the seed box is in butt joint with the front side of the seed taking disc, and the inoculation box is positioned below the notch section of the air cavity and used for receiving seeds falling due to the fact that the negative pressure is lost at the seed sucking hole on the seed taking disc.
As the preferred scheme of the seed taking device, the bottom of the air chamber is installed on the frame through the installation plate, one side of the seed box is hinged to the installation plate, the other side of the seed box is locked with the installation plate through the lock catch structure, one side of the seed guiding box is provided with the hook, the installation plate is provided with the hook groove, and the seed guiding box is connected in the hook groove through the hook in a hanging manner.
As the preferable scheme of the seed taking device, the transmission shaft is rotatably arranged on the mounting seat, the mounting seat is fixed on the rack, and the transmission gear is fixedly sleeved on the transmission shaft.
Compared with the prior art, the invention has the following advantages:
according to the precise seed taking device capable of quickly replacing the seed taking disc, the seed taking disc is arranged on the transmission shaft through the seed disc replacing mechanism, in the seed disc replacing mechanism, the inner adjusting cylinder and the outer adjusting cylinder are adjusted through the adjusting part to move reversely along the axial direction, so that the seed taking disc can be clamped or loosened, the rapid installation and disassembly of the seed taking disc are further realized, the convenient and rapid replacement of a seed taking working part is realized, the corresponding seed taking disc can be selected according to the appearance and the size of a sucked seed to be quickly replaced, the precise and flexible seed taking of the seeds with different shapes and sizes is realized, the seed taking quality and efficiency are improved, and the labor amount and the labor intensity are reduced; meanwhile, the problems that the seed taking device is low in use efficiency, poor in operation flexibility and adaptability and the like caused by the complicated structure of the seed taking device when a seed taking working part needs to be replaced according to the overall dimension of a seeding material in the use of the existing seeding device are solved, and the design provides a new idea for the air-aspiration type seeding machine to rapidly take seeds of different types of seeds and improve the efficiency, adaptability and the like of machines.
Drawings
Fig. 1 is an overall perspective view of the present invention.
FIG. 2 is a perspective view of the present invention with the seed box removed and the seed box opened.
Figure 3 is a perspective view of the air chamber of the present invention.
Figure 4 is a perspective view of another perspective of the air chamber of the present invention.
FIG. 5 is a perspective view of the seed introduction case of the present invention.
Fig. 6 is a perspective view of the seed pick-up plate of the present invention.
Fig. 7 is a perspective view of the disc changer mechanism of the present invention.
Fig. 8 is a plan view of the disc changer mechanism of the present invention.
Fig. 9 is a perspective view of the inner adjustment barrel of the present invention.
Fig. 10 is a perspective view of the outer adjustment barrel of the present invention.
Fig. 11 is a perspective view of the squeeze sheet of the present invention.
Fig. 12 is a perspective view of the adjustment knob of the present invention.
Fig. 13 is a perspective view of the platen of the present invention.
Reference numbers in the figures: 1 rack, 2 air chambers, 3 air chambers, 4 gaps, 5 seed taking plates, 6 transmission shafts, 7 mounting seats, 8 transmission gears, 9 seed boxes, 10 seed guiding boxes, 11 seed sucking holes, 12 mounting plates, 13 locking structures, 14 hooks, 15 hook grooves, 16 inner adjusting cylinders, 17 extruding sheets, 18 outer adjusting cylinders, 19 kidney-shaped grooves, 20 rotation stopping pins, 21 first limiting flanges, 22 second limiting flanges, 23 adjusting knobs, 24 pressing plates, 25 annular flanges, 26 mounting bosses, 27 annular grooves, 28 first threaded holes, 29 second threaded holes, 30 first screw rod ends, 31 second screw rod ends, 32 limiting plates, 33 rear end plates and 34 air inlet pipes.
Detailed Description
The following examples are given for the detailed implementation and the specific operation procedures, but the scope of the present invention is not limited to the following examples.
Referring to fig. 1 to 13, this embodiment provides a kind of device is got to smart volume that can quick replacement get kind of a dish, which comprises a frame 1, be equipped with air chamber 2 in the frame 1, be equipped with the open air cavity 3 of front end in the air chamber 2, one side of air chamber 2 is equipped with intake pipe 34, through the external negative pressure air source of intake pipe 34, the opening end of air chamber 3 front end is the cylindricality that has one section breach 4, the opening end of air cavity 3 front end is closed through the dish 5 of getting kind of a dish of disc, air chamber 2 center is rotated and is provided with a transmission shaft 6, it installs on transmission shaft 6 through kind of a dish replacement mechanism to get kind of a dish 5. The transmission shaft 6 is rotatably arranged on a mounting seat 7 through a bearing, the mounting seat 7 is fixed on the rack 1, and a transmission gear 8 is fixedly sleeved on the transmission shaft 6.
The seed box 9 and the seed guiding box 10 are arranged on the rack 1, the seed box 9 and the seed guiding box 10 are arranged side by side on the front side of the seed taking disc 5, the open end at the rear end of the seed box 9 is in butt joint with the front side of the seed taking disc 5, and the seed guiding box is positioned below the notch 4 section of the air cavity 3 and is used for receiving seeds falling due to the fact that the negative pressure is lost at the seed sucking hole 11 on the seed taking disc 5.
The bottom of the air chamber 2 is arranged on the frame 1 through an installation plate 12, one side of the seed box 9 is hinged on the installation plate 12 through a hinge, the other side of the seed box 9 is locked with the installation plate 12 through a lock catch structure 13, one side of the seed guiding box 10 is provided with a hook 14, the installation plate 12 is provided with a hook groove 15, and the seed guiding box 10 is connected in the hook groove 15 through the hook 14 in a hanging manner.
The disc replacing mechanism comprises an inner adjusting cylinder 16, a squeezing sheet 17, an outer adjusting cylinder 18 and an adjusting part, wherein the inner adjusting cylinder 16 and the outer adjusting cylinder 18 are sequentially sleeved on a transmission shaft 6 from inside to outside, the transmission shaft 6, the inner adjusting cylinder 16 and the outer adjusting cylinder 18 cannot rotate relatively along the circumferential direction, the inner adjusting cylinder 16 can move axially relative to the transmission shaft 6 and the outer adjusting cylinder 18 relative to the inner adjusting cylinder 16 respectively, a kidney-shaped groove 19 extending along the axial direction is formed in the outer side wall of the inner adjusting cylinder 16, a rotation stopping pin 20 extending along the radial direction of the outer adjusting cylinder 18 is fixedly connected to the outer adjusting cylinder 18, the inner end of the rotation stopping pin 20 is embedded into the kidney-shaped groove 19 of the inner adjusting cylinder 16, the diameter of the rotation stopping pin 20 is matched with the width of the kidney-shaped groove 19, the rotation stopping pin 20 is matched with the kidney-shaped groove 19, the outer adjusting cylinder 18 cannot rotate circumferentially relative to the inner adjusting cylinder 16 but only can move axially, and the inner adjusting cylinder 16 is tightly matched with the outer adjusting cylinder 18, the sealing between the two can be realized, and the two can move relatively along the axial direction. The inner adjusting cylinder 16 is connected with the transmission shaft 6 through a key and a key groove, and the key can axially move relative to the key groove, so that the inner adjusting cylinder 16 cannot circumferentially rotate relative to the transmission shaft 6 and can only axially move. The front end of the inner adjusting cylinder 16 is provided with a first limit flange 21, the front end of the outer adjusting cylinder 18 is provided with a second limit flange 22, the extrusion piece 17 and the seed taking disc 5 are detachably sleeved on the inner adjusting cylinder 16, the extrusion piece 17 is an annular piece with a radial opening, and the extrusion piece 17 and the inner adjusting cylinder 16 are detachably mounted by inserting and sleeving the radial opening of the extrusion piece 17 into the inner adjusting cylinder 16 in an empty mode. The first limiting flange 21, the extruding sheet 17, the seed taking disc 5 and the second limiting flange 22 are sequentially arranged from front to back, the diameter of a central hole of the seed taking disc 5 is larger than the outer diameter of the first limiting flange 21 and smaller than the outer diameter of the extruding sheet 17, the rear section of the outer adjusting cylinder 18 is rotatably supported at the rear end of the air chamber 2, the rear end of the outer adjusting cylinder 18 and the rear end of the inner adjusting cylinder 16 respectively extend backwards from the rear end of the air chamber 2 and are connected through an adjusting part, the inner adjusting cylinder 16 and the outer adjusting cylinder 18 are adjusted through the adjusting part to move in the axial direction in the reverse direction, so that the first limiting flange 21 and the second limiting flange 22 are close to or away from each other, and the extruding sheet 17 and the second limiting flange 22 clamp or loosen the seed taking disc 5. Wherein, the front side of the second limit flange 22 is provided with a circle of annular mounting groove, and a sealing ring is embedded in the annular mounting groove, so that the sealing effect when the front side of the second limit flange 22 is attached to the seed-taking plate 5 is improved.
Adjusting part includes adjusting knob 23, adjusting knob 23 front end is rotated and is installed at air chamber 2 rear end and empty cover on transmission shaft 6, adjusting knob 23 front end is rotated through pressure disk 24 and is installed at air chamber 2 rear end, adjusting knob 23 front end is equipped with round annular flange 25, there is an annular installation boss 26 air chamber 2 rear end, pressure disk 24 passes through screw fixed mounting on the installation boss 26 of air chamber 2 rear end, pressure disk 24 empty cover is on adjusting knob 23, pressure disk 24 is inside to be equipped with the ring channel 27 identical with annular flange 25, ring channel 27 is arranged in to adjusting knob 23's annular flange 25, adjusting knob 23's annular flange 25 can rotate in ring channel 27 of pressure disk 24. The adjusting knob 23 is internally provided with a stepped hole with a large front and a small rear, the large hole end of the stepped hole is a first threaded hole 28, the small hole end of the stepped hole is a second threaded hole 29, the thread turning directions of the first threaded hole 28 and the second threaded hole 29 are opposite, the rear end of the outer adjusting barrel 18 is a first screw rod end 30, the rear end of the inner adjusting barrel 16 is a second screw rod end 31, the first screw rod end 30 of the outer adjusting barrel 18 is in threaded connection with the first threaded hole 28 of the adjusting knob 23, the second screw rod end 31 of the inner adjusting barrel 16 is in threaded connection with the second threaded hole 29 of the adjusting knob 23, and the adjusting knob 23 is rotated to drive the outer adjusting barrel 18 and the inner adjusting barrel 16 to reversely move along the axial direction.
The front end of the transmission shaft 6 is provided with a limiting disc 32, the front limit position of the forward movement of the inner adjusting cylinder 16 is limited through the limiting disc 32, and the rear limit position of the backward movement of the inner adjusting cylinder 16 is limited through the step surface of the step hole of the adjusting knob 23.
The rear end of the stepped hole of the adjusting knob 23 is provided with a rear end plate 33, the adjusting knob 23 is sleeved on the transmission shaft 6 in an empty mode through a central hole of the rear end plate 33, the rear limit position of the backward movement of the inner adjusting barrel 16 is limited through the rear end plate 33, and the front limit position of the forward movement of the inner adjusting barrel 16 is limited through the extrusion piece 17.
During operation, select suitable kind of dish 5 of getting according to the shape and the size and size of seed earlier, open hasp structure 13 on the seed case 9, open seed case 9, take off and lead kind of box 10, after getting kind of dish 5 and passing spacing dish 32 and the first spacing flange 21 of interior regulation section of thick bamboo 16 front end of transmission shaft 6 front end in proper order, empty cover is on interior regulation section of thick bamboo 16, and the extrusion piece 17 inserts and empty cover on interior regulation section of thick bamboo 16 through the radial opening on it, and the extrusion piece 17 is located and gets kind of dish 5 and interior regulation section of thick bamboo 16 front end between the first spacing flange 21. The adjusting knob 23 is rotated clockwise, so that the distance between the first limit flange 21 at the front end of the inner adjusting cylinder 16 and the second limit flange 22 at the front end of the outer adjusting cylinder 18 is reduced, the inner adjusting cylinder 16 moves backwards to enable the first limit flange 21 at the front end of the inner adjusting cylinder 16 to push the extruding sheet 17 to be attached to the front side surface of the seed taking disc 5, the outer adjusting cylinder 18 moves forwards to enable the second limit flange 22 at the front end of the outer adjusting cylinder 18 to be attached to the rear side surface of the seed taking disc 5, the seed taking disc 5 is clamped tightly under the co-extrusion action of the second limit flange 22 and the extruding sheet 17 by rotating the adjusting knob 23 and is closely attached to the open end at the front end of the air cavity 3 of the air chamber 2, the seed taking disc 5 is installed, then the seed box 9 is closed, and the seed box 10 is hung. The power source is opened, power drives the transmission shaft 6 to rotate through the transmission gear 8, the transmission shaft 6 drives the seed taking disc 5 to rotate together through the inner adjusting cylinder 16 of the disc replacing mechanism arranged on the transmission shaft 6, the extruding sheet 17 and the outer adjusting cylinder 18, seeds in the seed box 9 are adsorbed on the seed sucking hole 11 of the seed taking disc 5 under the action of negative pressure in the air cavity 3 of the air chamber 2, when the seed sucking hole 11 is rotated out of the notch 4 section of the air cavity 3, the negative pressure disappears, and the adsorbed seeds on the seed taking disc 5 fall into the seed guiding box 10 arranged below under the action of self weight. Then the seed is guided into a downstream seeding part through the seed receiving box, and the seed taking process is completed.
When different materials need to be sown and the seed taking disc 5 needs to be replaced as required, the lock catch structure 13 on the seed box 9 is firstly opened, the seed box 9 is opened to clean out the residual materials inside, the seed guiding box 10 is taken down, the adjusting knob 23 is rotated anticlockwise to increase the distance between the first limiting flange 21 at the front end of the inner adjusting cylinder 16 and the second limiting flange 22 at the front end of the outer adjusting cylinder 18, the seed taking disc 5 is loosened by the second limiting flange 22 and the extruding sheet 17, the extruding sheet 17 is taken down along the radial direction firstly, then the seed taking disc 5 is taken out forwards along the axial direction, the seed taking disc 5 needing to be replaced is arranged on the transmission shaft 6 again and clamps the seed taking disc 5 tightly, the seed box 9 is closed, and the hook 14 on the seed guiding box 10 is hung in the hook groove 15, so that the quick replacement of the seed taking disc 5 of the seed taking device is completed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a kind of a device is got to smart volume that can quick replacement seed dish, includes frame (1), be equipped with air chamber (2) in frame (1), its characterized in that: an air cavity (3) with an open front end is arranged in the air chamber (2), the open end of the front end of the air cavity (3) is cylindrical with a section of notch (4), the open end of the front end of the air cavity (3) is closed through a disc-shaped seed taking disc (5), a transmission shaft (6) is rotatably arranged in the center of the air chamber (2), and the seed taking disc (5) is installed on the transmission shaft (6) through a disc replacing mechanism;
the disc replacing mechanism comprises an inner adjusting cylinder (16), an extruding sheet (17), an outer adjusting cylinder (18) and an adjusting part, wherein the inner adjusting cylinder (16) and the outer adjusting cylinder (18) are sequentially sleeved on a transmission shaft (6) from inside to outside, the transmission shaft (6), the inner adjusting cylinder (16) and the outer adjusting cylinder (18) cannot relatively rotate along the circumferential direction, the inner adjusting cylinder (16) and the outer adjusting cylinder (18) can respectively axially move relative to the transmission shaft (6) and the inner adjusting cylinder (16), a first limiting flange (21) is arranged at the front end of the inner adjusting cylinder (16), a second limiting flange (22) is arranged at the front end of the outer adjusting cylinder (18), the extruding sheet (17) and a disc picking disc (5) are detachably sleeved on the inner adjusting cylinder (16), the first limiting flange (21), the extruding sheet (17), the disc picking disc (5) and the second limiting flange (22) are sequentially arranged from front to back, the diameter of a central hole of the seed taking disc (5) is larger than the outer diameter of the first limiting flange (21) and smaller than the outer diameter of the extrusion piece (17), the rear section of the outer adjusting cylinder (18) is rotatably supported at the rear end of the air chamber (2), the rear end of the outer adjusting cylinder (18) and the rear end of the inner adjusting cylinder (16) respectively extend backwards from the rear end of the air chamber (2) and are connected through an adjusting part, the inner adjusting cylinder (16) and the outer adjusting cylinder (18) are adjusted through the adjusting part to move in the axial direction in the reverse direction, so that the first limiting flange (21) and the second limiting flange (22) are close to or far away from each other, and the extrusion piece (17) and the second limiting flange (22) clamp or loosen the seed taking disc (5).
2. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 1 is characterized in that: the adjusting part comprises an adjusting knob (23), the front end of the adjusting knob (23) is rotatably installed at the rear end of the air chamber (2) and is sleeved on the transmission shaft (6) in an empty mode, a large-hole end of the step hole is a first threaded hole (28), a small-hole end of the step hole is a second threaded hole (29), the screwing directions of the first threaded hole (28) and the second threaded hole (29) are opposite, the rear end of the outer adjusting barrel (18) is a first screw rod end (30), the rear end of the inner adjusting barrel (16) is a second screw rod end (31), the first screw rod end (30) of the outer adjusting barrel (18) is in threaded connection with the first threaded hole (28) of the adjusting knob (23), the second screw rod end (31) of the inner adjusting barrel (16) is in threaded connection with the second threaded hole (29) of the adjusting knob (23), and the adjusting knob (23) is rotated so as to drive the outer adjusting barrel (18) and the inner adjusting barrel (16) to move in a reverse direction.
3. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 2, is characterized in that: the front end of the transmission shaft (6) is provided with a limiting disc (32), the front limit position of the inward adjusting cylinder (16) moving forwards is limited through the limiting disc (32), and the rear limit position of the inward adjusting cylinder (16) moving backwards is limited through the step surface of the step hole of the adjusting knob (23).
4. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 2, characterized in that: the rear end of the stepped hole of the adjusting knob (23) is provided with a rear end plate (33), the adjusting knob (23) is sleeved on the transmission shaft (6) in a hollow mode through a central hole of the rear end plate (33), the rear limit position of the inner adjusting cylinder (16) moving backwards is limited through the rear end plate (33), and the front limit position of the inner adjusting cylinder (16) moving forwards is limited through the extrusion piece (17).
5. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 2, characterized in that: adjust knob (23) front end is rotated through pressure disk (24) and is installed in air chamber (2) rear end, adjust knob (23) front end is equipped with round annular flange (25), pressure disk (24) fixed mounting is in air chamber (2) rear end, and pressure disk (24) empty cover is on adjust knob (23), and pressure disk (24) inside is equipped with ring channel (27) identical with annular flange (25), and ring channel (27) are arranged in ring channel (27) in ring channel (25) of adjust knob (23).
6. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 2, is characterized in that: the extrusion sheet (17) is an annular sheet with a radial opening.
7. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 2, is characterized in that: the outer side wall of the inner adjusting cylinder (16) is provided with a kidney-shaped groove (19) extending along the axial direction, the outer adjusting cylinder (18) is fixedly connected with a rotation stopping pin (20) extending along the radial direction of the outer adjusting cylinder (18), the inner end of the rotation stopping pin (20) is embedded into the kidney-shaped groove (19) of the inner adjusting cylinder (16), and the diameter of the rotation stopping pin (20) is matched with the width of the kidney-shaped groove (19).
8. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 1 is characterized in that: the seed box is characterized in that a seed box (9) and a seed guiding box (10) are arranged on the rack (1), the seed box (9) and the seed guiding box (10) are arranged side by side on the front side of the seed taking disc (5), the open end of the rear end of the seed box (9) is in butt joint with the front side of the seed taking disc (5), and the seed receiving box is located at the position below the section of the notch (4) of the air cavity (3) and is used for receiving seeds falling off due to loss of negative pressure at the position of a seed sucking hole (11) in the seed taking disc (5).
9. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 8, is characterized in that: air chamber (2) bottom is passed through mounting panel (12) and is installed in frame (1), seed case (9) one side articulates on mounting panel (12), and seed case (9) opposite side passes through hasp structure (13) and mounting panel (12) closure, leads seed box (10) one side and is equipped with couple (14), is equipped with couple groove (15) on mounting panel (12), leads seed box (10) and articulates in couple groove (15) through couple (14).
10. The precision seed-taking device capable of rapidly replacing seed-taking discs as claimed in claim 1 is characterized in that: the transmission shaft (6) is rotatably installed on the installation seat (7), the installation seat (7) is fixed on the rack (1), and the transmission gear (8) is fixedly sleeved on the transmission shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692313.2A CN114946339B (en) | 2022-06-17 | 2022-06-17 | Precision seed taking device capable of quickly replacing seed taking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692313.2A CN114946339B (en) | 2022-06-17 | 2022-06-17 | Precision seed taking device capable of quickly replacing seed taking plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114946339A true CN114946339A (en) | 2022-08-30 |
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| CN206078036U (en) * | 2016-09-21 | 2017-04-12 | 华中农业大学 | Gas is inhaled outer smart quantity set of kind of formula that fills and is arranged ware |
| CN108243675A (en) * | 2018-03-26 | 2018-07-06 | 王友芳 | Divider, seeding apparatus and seeder |
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| CN112106488A (en) * | 2020-10-26 | 2020-12-22 | 石河子大学 | Air-suction special-shaped hole wheel type precision seed sowing device |
| CN212660551U (en) * | 2020-04-14 | 2021-03-09 | 玛纳斯县祥和农机有限责任公司 | Seed sucking disc, adjustable air suction seeder and adjustable air suction duckbilled dibbler |
| CN112889424A (en) * | 2021-03-16 | 2021-06-04 | 金华赛德机械有限公司 | Precise bean seeding device |
| CN213586874U (en) * | 2020-09-09 | 2021-07-02 | 石河子大学 | Mechanical and pneumatic combined hill planter |
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| US20130192504A1 (en) * | 2011-03-22 | 2013-08-01 | Precision Planting Llc | Seed Meter |
| DE102013102123A1 (en) * | 2013-03-04 | 2014-09-04 | Kverneland As | Seeding heart for use in seeding device of single grain seed drill, has seed chamber which is separated from pressure chamber by rotatable seed disk, where seed disk has seed holes in defined arrangement for receiving and discharging seeds |
| CN206078036U (en) * | 2016-09-21 | 2017-04-12 | 华中农业大学 | Gas is inhaled outer smart quantity set of kind of formula that fills and is arranged ware |
| CN108243675A (en) * | 2018-03-26 | 2018-07-06 | 王友芳 | Divider, seeding apparatus and seeder |
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| CN111557146A (en) * | 2020-05-25 | 2020-08-21 | 江苏沃得高新农业装备有限公司 | Seeding device |
| CN213586874U (en) * | 2020-09-09 | 2021-07-02 | 石河子大学 | Mechanical and pneumatic combined hill planter |
| CN112106488A (en) * | 2020-10-26 | 2020-12-22 | 石河子大学 | Air-suction special-shaped hole wheel type precision seed sowing device |
| CN112889424A (en) * | 2021-03-16 | 2021-06-04 | 金华赛德机械有限公司 | Precise bean seeding device |
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| CN114946339B (en) | 2023-04-07 |
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