Soilless culture device capable of automatically harvesting potatoes

Abstract

The invention relates to the technical field of soilless culture, in particular to a soilless culture device capable of automatically harvesting potatoes, which comprises a liquid storage tank, an inclined plane is arranged on the inner bottom wall of the liquid storage tank, a discharge port and a sealing cover are arranged on one side of the liquid storage tank, two rows of culture port groups are arranged at the top of the liquid storage tank, and each culture port group comprises at least two culture ports. A mounting ring is arranged in the culture opening, two connecting rods are arranged at the bottom of the mounting ring, a closed ring body is slidably arranged outside the two connecting rods, a plurality of liquid inlet strip grooves are formed in the closed ring body, a base plate is arranged at the bottoms of the two connecting rods, a plurality of liquid inlet holes are formed in the base plate, and a lifting electric push rod is arranged at the bottom of the base plate; a round containing vessel is installed at the output end of the lifting electric push rod, a limiting mechanism is arranged on the periphery of the culture opening, a cutting piece is arranged on the limiting mechanism, a driving mechanism is arranged at the top of the liquid storage tank, and a lifting mechanism is further arranged in the liquid storage tank. According to the invention, all newly grown potatoes can be synchronously and automatically harvested.

Description

Technical Field

[0001] The invention relates to the technical field of soilless cultivation, in particular to a soilless cultivation device for self-harvesting potatoes. Background Art

[0002] Soilless cultivation is a new crop cultivation technology developed in recent decades. Crops are not cultivated in the soil, but in a nutrient solution containing dissolved minerals or in a certain cultivation matrix, and the nutrient solution is used to cultivate crops. As long as there are certain cultivation equipment and certain management measures, crops can grow normally and obtain high yields, but the roots of tuber crops such as potatoes in soilless cultivation are more likely to be more and longer than those in soil cultivation.

[0003] A Chinese invention patent with publication number CN118235695A discloses a soilless cultivation device for self-harvesting potatoes, comprising an upper shell, on which a planting device is fixedly provided, the upper shell is fixedly connected to four side shells, and a potato rooting device is fixedly provided on the side shells; the upper shell comprises a support column, a motor protection shell, a rotating motor and a root cutting column, the support column is fixedly connected to the motor protection shell, the motor protection shell is fixedly connected to the rotating motor, and the rotating motor is fixedly connected to the root cutting column, the potatoes can be harvested, and the potato roots can be automatically collected, solving the problems of inconvenience in collecting potatoes in soilless culture and inconvenience in harvesting caused by long potato roots, the overall structure is very stable, and the operation is very convenient, the invention only needs to put potatoes with buds into a movable planting column and observe the growth in time, when harvesting is needed, turning on the motor can complete the automatic detachment of potatoes and automatic collection of roots.

[0004] However, the above patent still has the following shortcomings in actual use: potato pieces with sprouts will produce a large number of newly grown small potatoes and a large number of roots during the growth process. The newly grown small potatoes are connected to several roots. Then the small potatoes can gradually grow in the nutrient solution. Stems and leaves will also grow vertically on the potato pieces. It can be seen that these roots will not extend to the outside of the planting device of the patent. Therefore, the patent still cannot cut and separate the newly grown potatoes. Summary of the invention

[0005] In order to make up for the above shortcomings, the present invention provides a soilless cultivation device for self-harvesting potatoes to solve the problem of how to harvest newly grown potatoes raised in the above background technology.

[0006] The technical solution of the present invention is:

[0007] A soilless cultivation device for self-harvesting potatoes, comprising a liquid storage tank, an inner bottom wall of the liquid storage tank is provided with an inclined surface, one side of the liquid storage tank is provided with a discharge port connected with the inclined surface and a closing cover for closing the discharge port, the top of the liquid storage tank is provided with two rows of culture port groups, each of the culture port groups includes at least two culture ports arranged at equal intervals, a mounting ring is provided in the culture port, the bottom of the mounting ring is provided with two symmetrically arranged connecting rods, the outer sides of the two connecting rods are slidably provided with a closed ring body, the closed ring body is provided with a plurality of liquid inlet grooves, and the two connecting rods are provided with a plurality of liquid inlet grooves. A chassis is provided at the bottom, the upper half of the chassis is in a truncated cone shape, a plurality of liquid inlet holes are opened on the chassis, a vertically arranged lifting electric push rod is provided at the bottom of the chassis, a round holding dish for holding potato cut pieces is installed on the output end of the lifting electric push rod, a limiting mechanism for limiting the position of stems and leaves is provided around the culture port, a cutting piece for cutting off all roots is provided on the limiting mechanism, a driving mechanism for driving all limiting mechanisms to work is provided on the top of the liquid storage tank, and a lifting mechanism for driving all closed ring bodies to rise and fall synchronously is also provided in the liquid storage tank.

[0008] Preferably, the limiting mechanism includes a lower circular plate and a synchronous transmission assembly, the lower circular plate is provided with six guiding straight grooves arranged at equal angles around its circumference, a T-shaped slider is slidably provided in the guiding straight groove, an L-shaped suspension is provided at the bottom of the T-shaped slider, an arc-shaped abutment block is provided at the bottom of one end of the L-shaped suspension, and the six arc-shaped abutment blocks can be spliced ​​to form a limiting ring, a first through hole is provided in the middle of the lower circular plate, and a plurality of first connecting pins are provided at the bottom of the lower circular plate, and the first connecting pins are fixedly connected to the top of the liquid storage tank, the synchronous transmission assembly is arranged on the top of the liquid storage tank, and the synchronous transmission assembly is located directly above the lower circular plate, and the driving mechanism is transmission-connected to the synchronous transmission assembly.

[0009] Preferably, the synchronous transmission assembly includes a circular rotating seat and an upper circular plate, a plurality of second connecting feet are provided at the bottom of the circular rotating seat, three first guiding bevel grooves are provided on the upper circular plate at equal angles along its circumference, a second guiding bevel groove is provided between two adjacent first guiding bevel grooves, an inner arc groove connected to the first guiding bevel groove is provided at the head end thereof, an outer arc groove connected to the second guiding bevel groove is provided at the tail end thereof, a second through hole is provided in the middle of the upper circular plate, a guiding head is provided on the top of the T-shaped slider, the first guiding bevel groove and the second guiding bevel groove are provided , the inner arc groove and the outer arc groove are all slidably matched with the guide head, the second connecting foot is fixedly connected to the top of the liquid storage tank, the upper circular plate is rotatably set on the circular rotating seat, and the upper circular plate is transmission-connected to the driving mechanism, wherein both ends of the three arc-shaped abutment blocks are provided with mounting grooves, and a telescopic head is slidably provided in the mounting groove, and a spring is provided between the telescopic head and the inner groove wall of the mounting groove, and both ends of the other three arc-shaped abutment blocks are provided with plug-in grooves matching with the telescopic head, and both ends of each of the arc-shaped abutment blocks are provided with a first outer chamfer, and the telescopic head is provided with a second outer chamfer.

[0010] Preferably, the cutting member includes an arc-shaped cutting knife and a toggling needle rod, and six of the arc-shaped cutting knife and the toggling needle rod are provided. The arc-shaped cutting knife and the toggling needle rod are both arranged at the bottom of the arc-shaped abutment block, and the round containing dish is provided with an external support ear, and six insertion grooves for inserting the toggling needle rod are provided on the top of the external support ear.

[0011] Preferably, the top of the outer ear is also provided with an inner concave annular groove cooperating with the arc-shaped cutting knife.

[0012] Preferably, a circular swivel seat is installed on the output end of the lifting electric push rod, and a rotating shaft is rotatably provided on the circular swivel seat. A synchronization rod is provided on the outer wall of the circular holding dish, and one end of the synchronization rod is provided with a circular arc outer chamfer. A vertical slide groove cooperating with the guide of the synchronization rod is provided on the inner wall of one of the connecting rods, and a wave groove for guiding the synchronization rod to reciprocate left and right is provided on the inner walls of the connecting rod and the mounting ring, and the wave groove is connected with the vertical slide groove, and the groove width of the wave groove is larger than the groove width of the vertical slide groove. An embedding groove for the circular swivel seat to be embedded is provided on the top of the chassis, and the rotating shaft is fixedly connected to the bottom of the circular holding dish.

[0013] Preferably, the driving mechanism includes an L-shaped seat and at least two vertical seats, a vertically arranged servo motor is provided on the top of the L-shaped seat, a driving gear is provided on the output end of the servo motor, a vertically rotating synchronous shaft is provided on the vertical seat, a transmission gear and a sprocket are installed on the synchronous shaft, the sprocket is located above the transmission gear, all the upper circular plates are installed with arc gears, a notch is provided on the circular rotating seat, all the vertical seats are arranged between two rows of culture port groups at equal intervals along the length direction of the liquid storage tank, the vertical seat is located between the two upper circular plates, the arc gears on the two upper circular plates are meshed with the transmission gear, all the sprockets are connected by chain transmission, the L-shaped seat is arranged on the side of one of the vertical seats, and the driving gear is meshed with the transmission gear on the vertical seat.

[0014] Preferably, the lifting mechanism includes a lifting rod and a lifting cylinder, the top of the lifting rod is provided with two symmetrically arranged guide rods, the outer wall of the closed ring body is provided with a suspension rod, and the top of the liquid storage tank is provided with two guide seats cooperating with the guide rods, the lifting rod is located in the liquid storage tank, and the lifting rod is located between two rows of culture port groups, all the suspension rods are fixedly connected to the side walls on both sides of the lifting rod, the lifting cylinder is vertically installed on the top of the liquid storage tank, and the top of the lifting rod is fixedly connected to the output end of the lifting cylinder.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] Firstly, the present invention can cut off all the roots between new potatoes and potato pieces through the cooperation among lifting electric cylinder, driving mechanism, limiting mechanism and cutting member, so that all new potatoes can be separated from the roots, and all closed ring bodies can be driven downward by the lifting mechanism, so that the area between the chassis and the mounting ring loses the obstruction of the closed ring body, and the new potatoes can fall onto the inclined surface and then gather at the lower end of the inclined surface for collection, thereby realizing synchronous and automatic harvesting of all newly grown potatoes.

[0017] Secondly, when the electric push rod is lifted to drive the round container to move upward, the cooperation between the wave groove and the synchronization rod can drive the round container to swing left and right, and then the two adjacent new potatoes can be separated by a distance by moving the needle rod. This left and right swing can also cooperate with all the arc-shaped cutting knives to improve the quality of cutting off the roots. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the soilless cultivation device for self-harvesting potatoes of the present invention;

[0019] Figure 2 A partial cross-sectional view of a soilless cultivation device for self-harvesting potatoes according to the present invention Figure 1 ;

[0020] Figure 3 The partial structure of the soilless cultivation device for self-harvesting potatoes of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 4 The partial structure of the soilless cultivation device for self-harvesting potatoes of the present invention is shown in FIG. Figure 2 ;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the limiting mechanism of the present invention;

[0023] Figure 6 A top view of the limiting mechanism of the present invention;

[0024] Figure 7 It is a partial structural schematic diagram of the limiting mechanism of the present invention;

[0025] Figure 8 It is a schematic structural diagram of the cutting piece of the present invention;

[0026] Fig. 9 It is a partial structural cross-sectional view of the limiting mechanism of the present invention;

[0027] Fig.10 It is a partial structural schematic diagram of the limiting mechanism of the present invention;

[0028] Fig.11 It is a schematic diagram of the partial structure of the soilless cultivation device for self-harvesting potatoes of the present invention;

[0029] Fig.12 A partial cross-sectional view of a soilless cultivation device for self-harvesting potatoes according to the present invention Figure 2 ;

[0030] Fig.13 It is a structural schematic diagram of a round serving dish of the present invention.

[0031] In the figure:

[0032] 1. Liquid storage tank; 11. Inclined surface; 12. Discharge port; 13. Closing cover; 14. Guide seat; 2. Mounting ring; 21. Connecting rod; 211. Vertical slide groove; 212. Wave groove; 22. Closed ring body; 221. Liquid inlet strip groove; 222. Hanging rod; 23. Chassis; 231. Liquid inlet hole; 232. Embedded groove; 24. Lifting electric push rod; 241. Round swivel seat; 242. Rotating shaft; 3. Round serving dish; 31. External ear; 32. Insertion groove; 33. Inner concave ring groove; 34. Synchronous rod; 4. Limiting mechanism; 41. Lower circular plate; 411. Guide straight groove; 412. T-shaped slider; 4121. Guide head; 413. First connecting foot; 42. Synchronous transmission assembly; 421. Round swivel seat ; 422, upper circular plate; 4221, first guiding bevel groove; 4222, second guiding bevel groove; 4223, inner arc groove; 4224, outer arc groove; 4225, arc gear; 423, second connecting foot; 424, L-shaped suspension; 425, arc abutment block; 4251, mounting groove; 4252, telescopic head; 4253, spring; 4254, plug-in groove; 5, cutting piece; 51, arc cutting knife; 52, toggle needle rod; 6, driving mechanism; 61, L-shaped seat; 611, servo motor; 612, driving gear; 62, stand; 621, synchronous shaft; 622, transmission gear; 623, sprocket; 7, lifting mechanism; 71, lifting rod; 72, lifting cylinder; 73, guide rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-13 The present invention describes the above technical solution in detail through the following embodiments:

[0035] A soilless cultivation device for self-harvesting potatoes, comprising a liquid storage tank 1, an inclined surface 11 is provided on the inner bottom wall of the liquid storage tank 1, a discharge port 12 connected to the inclined surface 11 and a closing cover 13 for closing the discharge port 12 are provided on one side of the liquid storage tank 1, two rows of culture port groups are provided on the top of the liquid storage tank 1, each culture port group includes at least two culture ports arranged at equal intervals, a mounting ring 2 is provided in the culture port, two symmetrically arranged connecting rods 21 are provided at the bottom of the mounting ring 2, a closed ring body 22 is slidably provided outside the two connecting rods 21, a plurality of liquid inlet strip grooves 221 are provided on the closed ring body 22, and the two connecting rods 21 are provided with a plurality of liquid inlet strip grooves 221. A chassis 23 is provided at the bottom, the upper half of the chassis 23 is in a truncated cone shape, a plurality of liquid inlet holes 231 are provided on the chassis 23, a vertically arranged lifting electric push rod 24 is provided at the bottom of the chassis 23, a round holding dish 3 for holding potato cut pieces is installed on the output end of the lifting electric push rod 24, a limiting mechanism 4 for limiting the position of stems and leaves is provided around the culture port, a cutting piece 5 for cutting off all roots is provided on the limiting mechanism 4, a driving mechanism 6 for driving all the limiting mechanisms 4 to work is provided on the top of the liquid storage tank 1, and a lifting mechanism 7 for driving all the closed ring bodies 22 to rise and fall synchronously is also provided in the liquid storage tank 1.

[0036] An observation window can also be arranged on the liquid storage tank 1, so as to facilitate observation of the new potato production situation.

[0037] The present invention can directly put potato pieces with sprouts into the round holding dish 3. The potato pieces can grow into a plurality of small potatoes under the nourishment of the nutrient solution in the liquid storage tank 1. When the small potatoes grow up and take shape, they need to be automatically harvested. During harvesting, all the lifting electric push rods 24 work to drive the corresponding round holding dish 3 to move up, and then the driving mechanism 6 drives the limiting mechanism 4 to limit the stems and leaves. All new potatoes are hung on the potato pieces through the connected roots, that is, the new potatoes are hung on the round holding dish 3. Then, the cutting piece is used to cut the potatoes while the round holding dish 3 is moved up. 5 cuts off the roots connected to the new potatoes, and the new potatoes can be separated from the potato cut pieces. At the same time, the lifting mechanism 7 drives all the closed ring bodies 22 to move downward, and the new potatoes fall onto the bottom plate 23. The upper half of the bottom plate 23 is used to guide the new potatoes to roll. Then, the new potatoes can be separated from the bottom plate 23 and fall onto the inclined surface 11. The inclined surface 11 can guide the new potatoes to move toward the discharge port 12. Then, the closed cover 13 can be opened to take out all the new potatoes, thereby realizing the synchronous and automatic harvesting of all the newly grown potatoes.

[0038] After the new potatoes grow up and take shape, the circular holding dish 3 is driven upward by lifting the electric push rod 24, and then the stems and leaves on all the circular holding dishes 3 are cut through the cooperation of the driving mechanism 6 and all the limiting mechanisms 4. The limiting mechanism 4 includes a lower circular plate 41 and a synchronous transmission assembly 42. The lower circular plate 41 is provided with six guiding straight grooves 411 arranged at equal angles around its circumference. A T-shaped slider 412 is slidably arranged in the guiding straight groove 411. An L-shaped suspension 424 is provided at the bottom of the T-shaped slider 412. An arc-shaped abutment block 425 is provided at the bottom of one end of the L-shaped suspension 424. The six arc-shaped abutment blocks 425 can be spliced ​​to form a limiting ring. A first through hole is provided in the middle of the lower circular plate 41, and a plurality of first connecting legs 413 are provided at the bottom of the lower circular plate 41. The first connecting legs 413 are fixedly connected to the top of the liquid storage tank 1. The synchronous transmission assembly 42 is arranged on the top of the liquid storage tank 1, and the synchronous transmission assembly 42 is located directly above the lower circular plate 41. The driving mechanism 6 is transmission-connected to the synchronous transmission assembly 42.

[0039] The synchronous transmission assembly 42 includes a circular rotating seat 421 and an upper circular plate 422. A plurality of second connecting legs 423 are provided at the bottom of the circular rotating seat 421. The upper circular plate 422 is provided with three first guiding inclined grooves 4221 arranged at equal angles along its circumference. A second guiding inclined groove 4222 is provided between two adjacent first guiding inclined grooves 4221. The head end of the first guiding inclined groove 4221 is provided with an inner arc groove 4223 connected thereto as an integral unit. The tail end of the second guiding inclined groove 4222 is provided with an outer arc groove 4224 connected thereto as an integral unit. A second through hole is provided in the middle of the upper circular plate 422. A guiding head 4121 is provided at the top of the T-shaped slider 412. The first guiding inclined groove 4221, the second guiding inclined groove 4222, and the inner arc groove 4224 are provided thereto as an integral unit. 223 and the outer arc groove 4224 are both slidably matched with the guide head 4121, the second connecting foot 423 is fixedly connected to the top of the liquid storage tank 1, the upper circular plate 422 is rotatably set on the circular rotating seat 421, and the upper circular plate 422 is transmission-connected to the driving mechanism 6, wherein the three arc-shaped abutment blocks 425 are provided with mounting grooves 4251 at both ends, and a telescopic head 4252 is slidably provided in the mounting groove 4251, and a spring 4253 is provided between the telescopic head 4252 and the inner groove wall of the mounting groove 4251, and the other three arc-shaped abutment blocks 425 are provided with plug-in grooves 4254 that cooperate with the telescopic head 4252 at both ends, and each arc-shaped abutment block 425 is provided with a first outer chamfer at both ends, and the telescopic head 4252 is provided with a second outer chamfer.

[0040] The driving mechanism 6 includes an L-shaped seat 61 and at least two upright seats 62. A vertically arranged servo motor 611 is provided on the top of the L-shaped seat 61. A driving gear 612 is provided on the output end of the servo motor 611. A vertically rotating synchronous shaft 621 is provided on the upright seat 62. A transmission gear 622 and a sprocket 623 are installed on the synchronous shaft 621. The sprocket 623 is located above the transmission gear 622. Arc gears 4225 are installed on all upper circular plates 422. A notch is provided on the annular rotating seat 421. All upright seats 62 are arranged between two rows of culture port groups at equal intervals along the length direction of the liquid storage tank 1. The upright seat 62 is located between the two upper circular plates 422. The arc gears 4225 on the two upper circular plates 422 are meshed with the transmission gear 622. All sprockets 623 are connected through chain transmission. The L-shaped seat 61 is arranged on the side of one of the upright seats 62. The driving gear 612 is meshed with the transmission gear 622 on the upright seat 62.

[0041] Reference Figures 3 to 10The servo motor 611 drives the driving gear 612 to rotate, and the driving gear 612 drives the transmission gear 622 meshing with it to rotate, and the transmission gear 622 drives the corresponding sprocket 623 and the synchronous shaft 621 to rotate, and the sprocket 623 drives other sprockets 623 to rotate through the chain, and other sprockets 623 drive other synchronous shafts 621 and the driving gear 622 to rotate synchronously, and the driving gear 622 drives two arc gears 4225 meshing with it, one arc gear 4225 rotates counterclockwise, and the other arc gear 4225 rotates clockwise, and the arc gear 4225 drives the upper circular plate 422 to rotate on the circular rotating seat 421, and the six guide heads 4121 move synchronously, three of which The first guide head 4121 moves in the outer arc groove 4224, and the other three guide heads 4121 move in the first guide bevel groove 4221. The guide head 4121 located in the outer arc groove 4224 cannot drive the T-shaped slider 412 to move in the guide straight groove 411, and the L-shaped suspension 424 connected to the T-shaped slider 412 does not move, and the arc-shaped abutment block 425 connected to the L-shaped suspension 424 does not move either. The guide head 4121 located in the first guide bevel groove 4221 is guided by the first guide bevel groove 4221, and then the guide head 4121 drives the T-shaped slider 412 to move in the guide straight groove 411, and the T-shaped slider 412 drives the L-shaped suspension 424 and the arc-shaped abutment block 425 to move. Synchronous movement, that is, the three arc-shaped abutment blocks 425 first approach the stem and leaves, the guide head 4121 in the outer arc groove 4224 gradually enters into the second guide inclined groove 4222, the guide head 4121 in the first guide inclined groove 4221 gradually enters into the inner arc groove 4223, the guide head 4121 entering into the second guide inclined surface can drive the T-shaped slider 412, the L-shaped suspension 424, and the arc-shaped abutment block 425 to move synchronously, the guide head 4121 entering into the inner arc groove 4223 does not move, that is, the other three arc-shaped abutment blocks 425 move synchronously, the first three arc-shaped abutment blocks 425 stop moving, and then the other three arc-shaped abutment blocks 425 can be inserted into the first three arc-shaped abutment blocks 425 The splicing is completed to form a complete limit ring. During splicing, the telescopic heads 4252 on the other three arc-shaped abutment blocks 425 gradually abut against the first three arc-shaped abutment blocks 425. The smoothness of the splicing can be improved by the first outer chamfer and the second outer chamfer. The telescopic head 4252 can be squeezed into the installation groove 4251, and the spring 4253 is compressed. When the installation groove 4251 is aligned with the plug-in groove 4254, the elastic force of the spring 4253 can drive the telescopic head 4252 to extend into the docking groove, thereby improving the overall stability of the limit ring. The limit ring can limit the stems and leaves. Of course, the servo motor 611 drives the driving gear 612 to rotate in the opposite direction to drive all the arc-shaped abutment blocks 425 to reset.

[0042] After the limiting rings are spliced, the potato pieces and all the new potatoes continue to move up synchronously with the round container 3, and then the cutting piece 5 can cut off the roots connected to the new potatoes. The cutting piece 5 includes an arc-shaped cutting knife 51 and a toggle needle rod 52. There are six arc-shaped cutting knives 51 and six toggle needle rods 52. The arc-shaped cutting knives 51 and six toggle needle rods 52 are both arranged at the bottom of the arc-shaped abutment block 425. The round container 3 is provided with an outer support ear 31, and six insertion grooves 32 for inserting the toggle needle rods 52 are provided on the top of the outer support ear 31.

[0043] The top of the outer ear 31 is also provided with an inner concave annular groove 33 which cooperates with the arc-shaped cutting knife 51 .

[0044] A circular swivel seat 241 is installed on the output end of the lifting electric push rod 24, and a rotating shaft 242 is rotatably provided on the circular swivel seat 241. A synchronization rod 34 is provided on the outer wall of the circular holding dish 3, and one end of the synchronization rod 34 is provided with an arc outer chamfer. A vertical slide groove 211 that cooperates with the guide of the synchronization rod 34 is provided on the inner wall of one of the connecting rods 21. A wave groove 212 for guiding the synchronization rod 34 to reciprocate left and right is provided on the inner wall of the connecting rod 21 and the mounting ring 2. The wave groove 212 is connected with the vertical slide groove 211, and the groove width of the wave groove 212 is greater than the groove width of the vertical slide groove 211. An embedding groove 232 for the circular swivel seat 241 to be embedded is provided on the top of the chassis 23, and the rotating shaft 242 is fixedly connected to the bottom of the circular holding dish 3.

[0045] When the circular holding dish 3 is driven upward by the lifting electric push rod 24, the synchronous rod 34 also moves upward synchronously with the circular holding dish 3. The synchronous rod 34 first moves in the vertical slide groove 211, and then the synchronous rod 34 gradually enters the wave groove 212. The synchronous rod 34 abuts against the groove wall of the wave groove 212 and deviates left and right. The synchronous rod 34 drives the circular holding dish 3 and the rotating shaft 242 to swing left and right on the circular rotating seat 241. While swinging left and right, all the roots also abut against the toggle needle rod 52, and the toggle needle rod 52 can be inserted into the root pile. The toggle needle rod 52 can toggle the roots to deviate left and right, so that It has the function of quickly separating a part of the roots, that is, allowing two adjacent new potatoes to be separated by a certain distance. When the roots hit the arc-shaped cutting knife 51, the arc-shaped cutting knife 51 can cut the roots, and the roots connecting the new potatoes and the potato pieces are gradually cut until the arc-shaped cutting knife 51 enters the concave annular groove 33. The arc-shaped cutting knife 51 cooperates with the concave annular groove 33 to ensure that all the roots are cut off, and then the new potatoes can be separated from the roots. People can directly take out the stems, leaves, potato pieces and roots from the round containing dish 3, and put the new potato pieces into the round containing dish 3.

[0046] When the electric push rod 24 is lifted to drive the round serving dish 3 to move upward, the lifting mechanism 7 also works synchronously to drive all the closed ring bodies 22 to move downward, so that the new potatoes can fall to the outside of the chassis 23 as soon as they are separated from the potato pieces. The lifting mechanism 7 includes a lifting rod 71 and a lifting cylinder 72. The top of the lifting rod 71 is provided with two symmetrically arranged guide rods 73, the outer wall of the closed ring body 22 is provided with a hanging rod 222, and the top of the liquid storage tank 1 is provided with two guide seats 14 that cooperate with the guide rods 73. The lifting rod 71 is located in the liquid storage tank 1, and the lifting rod 71 is located between two rows of culture port groups. All the hanging rods 222 are fixedly connected to the side walls on both sides of the lifting rod 71. The lifting cylinder 72 is vertically installed on the top of the liquid storage tank 1, and the top of the lifting rod 71 is fixedly connected to the output end of the lifting cylinder 72.

[0047] The lifting cylinder 72 drives the lifting rod 71 to move downward, and the lifting rod 71 drives all the suspension rods 222 to move downward synchronously. The suspension rods 222 drive the corresponding closed ring bodies 22 to move downward. The area between the chassis 23 and the mounting ring 2 loses the obstruction of the closed ring body 22, and the new potatoes can be guided to move to the outside of the chassis 23 through the upper half of the chassis 23.

Claims

1. A soilless cultivation device for self-harvesting potatoes, characterized in that: The invention comprises a liquid storage box (1), wherein an inclined surface (11) is provided on the inner bottom wall of the liquid storage box (1), a discharge port (12) connected to the inclined surface (11) and a closing cover (13) for closing the discharge port (12) are provided on one side of the liquid storage box (1), two rows of culture port groups are provided on the top of the liquid storage box (1), each culture port group comprises at least two culture ports arranged at equal intervals, a mounting ring (2) is provided inside the culture port, two symmetrically arranged connecting rods (21) are provided at the bottom of the mounting ring (2), a closed ring body (22) is slidably provided outside the two connecting rods (21), a plurality of liquid inlet grooves (221) are provided on the closed ring body (22), and a bottom plate is provided at the bottom of the two connecting rods (21). (23), the upper half of the chassis (23) is in the shape of a truncated cone, the chassis (23) is provided with a plurality of liquid inlet holes (231), the bottom of the chassis (23) is provided with a vertically arranged lifting electric push rod (24), the output end of the lifting electric push rod (24) is provided with a round holding dish (3) for holding potato cut pieces, the periphery of the culture port is provided with a limiting mechanism (4) for limiting the position of stems and leaves, the limiting mechanism (4) is provided with a cutting piece (5) for cutting off all roots, the top of the liquid storage tank (1) is provided with a driving mechanism (6) for driving all the limiting mechanisms (4) to work, and the liquid storage tank (1) is also provided with a lifting mechanism (7) for driving all the closed ring bodies (22) to rise and fall synchronously.

2. The soilless cultivation device for self-harvesting potatoes according to claim 1, characterized in that: The limiting mechanism (4) comprises a lower circular plate (41) and a synchronous transmission assembly (42); the lower circular plate (41) is provided with six straight guide grooves (411) arranged at equal angles around the circumference thereof; a T-shaped slider (412) is slidably arranged in the straight guide groove (411); an L-shaped suspension (424) is arranged at the bottom of one end of the L-shaped suspension (424); and an arc-shaped abutment block (425) is arranged at the bottom of one end of the L-shaped suspension (424); the six arc-shaped abutment blocks (425) are arranged at the bottom of the lower circular plate (411). The lower circular plate (41) is capable of being spliced ​​to form a limit ring. A first through hole is provided in the middle of the lower circular plate (41). A plurality of first connecting pins (413) are provided at the bottom of the lower circular plate (41). The first connecting pins (413) are fixedly connected to the top of the liquid storage tank (1). The synchronous transmission assembly (42) is arranged on the top of the liquid storage tank (1), and the synchronous transmission assembly (42) is located directly above the lower circular plate (41). The driving mechanism (6) is transmission-connected to the synchronous transmission assembly (42).

3. The soilless cultivation device for self-harvesting potatoes according to claim 2, characterized in that: The synchronous transmission assembly (42) comprises a circular rotating seat (421) and an upper circular plate (422). The bottom of the circular rotating seat (421) is provided with a plurality of second connecting legs (423). The upper circular plate (422) is provided with three first guiding inclined grooves (4221) arranged at equal angles along its circumference. A second guiding inclined groove (4222) is provided between two adjacent first guiding inclined grooves (4221). The head end of the first guiding inclined groove (4221) is provided with an inner arc groove (4223) connected thereto as an integral unit. The tail end of the second guiding inclined groove (4222) is provided with an outer arc groove (4224) connected thereto as an integral unit. A second through hole is provided in the middle of the upper circular plate (422). The top of the T-shaped slider (412) is provided with a guiding head (4121). The first guiding inclined groove (4221), the second guiding inclined groove (4222), the inner arc groove (4223) and the outer arc groove (4224) are connected thereto as an integral unit. ) and the outer arc groove (4224) are both slidably matched with the guide head (4121), the second connecting foot (423) is fixedly connected to the top of the liquid storage tank (1), the upper circular plate (422) is rotatably set on the annular rotating seat (421), and the upper circular plate (422) is transmission-connected with the driving mechanism (6), wherein the two ends of the three arc-shaped abutting blocks (425) are provided with mounting grooves (4251), and a telescopic head (4252) is slidably provided in the mounting groove (4251), and a spring (4253) is provided between the telescopic head (4252) and the inner groove wall of the mounting groove (4251), and the two ends of the other three arc-shaped abutting blocks (425) are provided with plug-in grooves (4254) matched with the telescopic head (4252), and each of the two ends of the arc-shaped abutting blocks (425) is provided with a first outer chamfer, and the telescopic head (4252) is provided with a second outer chamfer.

4. The soilless cultivation device for self-harvesting potatoes according to claim 3, characterized in that: The cutting member (5) comprises an arc-shaped cutting knife (51) and a toggle needle rod (52), six of each of the arc-shaped cutting knife (51) and the toggle needle rod (52), and both of the arc-shaped cutting knife (51) and the toggle needle rod (52) are arranged at the bottom of the arc-shaped abutment block (425). The round container (3) is provided with an outer support ear (31), and six insertion grooves (32) for the toggle needle rods (52) to be inserted are formed at the top of the outer support ear (31).

5. The soilless cultivation device for self-harvesting potatoes according to claim 4, characterized in that: The top of the outer support ear (31) is also provided with an inner concave annular groove (33) cooperating with the arc-shaped cutting knife (51).

6. The soilless cultivation device for self-harvesting potatoes according to claim 5, characterized in that: A circular rotating seat (241) is installed on the output end of the lifting electric push rod (24), and a rotating shaft (242) is rotatably provided on the circular rotating seat (241). A synchronous rod (34) is provided on the outer wall of the circular container (3), and one end of the synchronous rod (34) is provided with an arc outer chamfer. A vertical sliding groove (211) cooperating with the guide of the synchronous rod (34) is opened on the inner wall of one of the connecting rods (21). The connecting rod (21) and A wave groove (212) for guiding the synchronous rod (34) to reciprocate left and right is formed on the inner wall of the mounting ring (2), the wave groove (212) is connected with the vertical slide groove (211), the groove width of the wave groove (212) is greater than the groove width of the vertical slide groove (211), the top of the bottom plate (23) is formed with an embedding groove (232) for embedding the round rotating seat (241), and the rotating shaft (242) is fixedly connected to the bottom of the round containing dish (3).

7. The soilless cultivation device for self-harvesting potatoes according to claim 3, 4, 5 or 6, characterized in that: The driving mechanism (6) comprises an L-shaped seat (61) and at least two upright seats (62); a vertically arranged servo motor (611) is provided on the top of the L-shaped seat (61); a driving gear (612) is provided on the output end of the servo motor (611); a vertically rotatable synchronous shaft (621) is provided on the upright seat (62); a transmission gear (622) and a sprocket (623) are installed on the synchronous shaft (621); the sprocket (623) is located above the transmission gear (622); and arc gears (4225) are installed on all the upper circular plates (422). The circular rotating seat (421) is provided with a notch, all the vertical seats (62) are arranged between two rows of culture port groups at equal intervals along the length direction of the liquid storage tank (1), the vertical seats (62) are located between two upper circular plates (422), the arc gears (4225) on the two upper circular plates (422) are meshed with the transmission gear (622), all the sprockets (623) are connected through chain transmission, the L-shaped seat (61) is arranged on the side of one of the vertical seats (62), and the driving gear (612) is meshed with the transmission gear (622) on the vertical seat (62).

8. The soilless cultivation device for self-harvesting potatoes according to claim 1, characterized in that: The lifting mechanism (7) comprises a lifting rod (71) and a lifting cylinder (72); two symmetrically arranged guide rods (73) are arranged on the top of the lifting rod (71); a suspension rod (222) is arranged on the outer wall of the closed ring body (22); two guide seats (14) cooperating with the guide rods (73) are arranged on the top of the liquid storage tank (1); the lifting rod (71) is located in the liquid storage tank (1), and the lifting rod (71) is located between two rows of culture port groups; all the suspension rods (222) are fixedly connected to the side walls of the lifting rod (71); the lifting cylinder (72) is vertically installed on the top of the liquid storage tank (1); and the top of the lifting rod (71) is fixedly connected to the output end of the lifting cylinder (72).

Images