CN113940268A

CN113940268A - Automatic soilless culture production line

Info

Publication number: CN113940268A
Application number: CN202111220779.4A
Authority: CN
Inventors: 柴喜荣; 杨暹; 康云艳; 赵普艳
Original assignee: South China Agricultural University
Current assignee: South China Agricultural University
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-01-18
Anticipated expiration: 2041-10-20
Also published as: CN113940268B

Abstract

The invention discloses an automatic soilless culture production line, which belongs to the technical field of soilless culture and has the technical scheme that: comprises a conveyor belt group, a support frame and a plurality of soilless culture devices; the soilless culture device comprises a plurality of culture grooves; the inner wall of the cultivation groove is provided with a vegetable fixing disc; 2 sliding grooves are formed in the inner wall of the cultivation groove, a first stepping motor is arranged in each sliding groove and fixedly connected with the vegetable fixing disc; the outer sides of the 2 supporting frames are fixedly connected with supporting transverse plates, and the 2 supporting transverse plates are provided with strip-shaped grooves; a second stepping motor and a third stepping motor are installed in the strip-shaped groove, the second stepping motor and the third stepping motor are connected with an electric telescopic rod, a rotating motor is arranged at the end part of the electric telescopic rod, and the rotating motor is connected with a rotating part; every 2 rigid couplings have horizontal portion between the rotation portion, are equipped with a plurality of sliding motor in the horizontal portion, and sliding motor is connected with picks the piece. The vegetable planting and picking machine is mainly used for automatically realizing vegetable planting and picking work and effectively improving the work efficiency and the automation degree.

Description

Automatic soilless culture production line

Technical Field

The invention relates to the technical field of soilless culture, in particular to an automatic soilless culture production line.

Background

Soilless culture refers to a culture method in which a crop is cultured in a nutrient solution without using natural soil, or a plant is fixed with a substrate and the nutrient solution is irrigated. The soilless culture uses the good root system environment created by manpower to replace the soil environment, so as to meet the requirements of the root system on various conditions such as water, fertilizer, gas and the like to the maximum extent and exert the maximum potential of crop production. The soilless culture is combined with facilities of a protected area, various crops such as cucumbers, tomatoes, lettuce, strawberries, watermelons, melons and the like can be cultivated as a new agricultural technology, and compared with the traditional soil culture, the soilless culture technology has the characteristics of fertilizer saving, water saving, labor saving, high yield, high quality, no region limitation, clean and sanitary products, contribution to mechanization and automatic management and the like.

However, the degree of automation of soilless culture in China is low at present, the problems of inconvenience in use in the aspects of replacement of nutrient solution, crop planting, mature crop picking and the like still exist, and when mechanical automatic picking is adopted, the picked vegetables are easily damaged in appearance, so that the quality of the vegetables is influenced, and therefore, many picking works need to be carried out manually.

In order to solve the problems, an automatic soilless culture production line is provided on the basis of the prior art.

Disclosure of Invention

The invention aims to provide an automatic soilless culture production line, which is provided with picking devices, and is beneficial to planting vegetable seedlings into the soilless culture devices through the cooperative fit of two groups of picking devices; and after vegetables are ripe, can realize vegetables automatically and pick work to can be through the cooperation of picking device and vegetables collection device, the vegetables that will collect are neatly placed, can effectively avoid vegetables because of the damage on the automatic physiognomy that picks and suffer, can effectively improve work efficiency and degree of automation, so that subsequent transportation and selling.

The technical purpose of the invention is realized by the following technical scheme:

an automatic soilless culture production line comprises 2 conveyor belt groups arranged in parallel, a support frame, a liquid inlet header pipe, a liquid discharge header pipe, a controller and a vegetable collecting device, wherein the support frame, the liquid inlet header pipe, the liquid discharge header pipe, the controller and the vegetable collecting device are respectively connected with the end parts of rotating shafts of the 2 conveyor belt groups; the soilless culture device comprises a plurality of culture grooves, wherein 2 liquid flowing holes are formed in the bottom ends of the culture grooves and are positioned on the same straight line; the inner wall of the cultivation groove is provided with an annular limiting piece; a vegetable fixing disc is placed on the top surface of the annular limiting piece, and the vegetable fixing disc is annular; the inner wall of cultivation groove is equipped with 2 sliding trays, 2 along vertical direction symmetry equal sliding connection has step motor one in the sliding tray, step motor one the output with the tip rigid coupling of vegetables fixed disk.

The height of the liquid inlet header pipe is higher than that of the soilless culture device; the height of the drainage header pipe is lower than that of the soilless culture device; the end parts of the liquid discharge main pipe and the liquid inlet main pipe are respectively provided with an electric valve; the side wall of the liquid discharge main pipe is connected with a plurality of liquid discharge branch pipes, and the side wall of the liquid inlet main pipe is connected with a plurality of liquid inlet branch pipes; the liquid discharge branch pipe and the liquid inlet branch pipe are communicated with the liquid flowing hole.

The outer sides of the 2 support frames are fixedly connected with support transverse plates, and the tops of the 2 support transverse plates are provided with strip-shaped grooves; a stepping motor II and a stepping motor III are arranged in the strip-shaped groove in a sliding manner; the output ends of the second stepping motor and the third stepping motor are provided with electric telescopic rods, the end parts of the electric telescopic rods are provided with rotating motors, and the output ends of the rotating motors are provided with rotating parts; every 2 the rotation portion along the direction of perpendicular to conveyer belt group rigid coupling have a horizontal portion between.

A plurality of sliding motors are arranged in the transverse part, the output ends of the sliding motors are connected with picking pieces, and the end parts of the picking pieces are arc-shaped; a miniature pushing motor is arranged inside the picking sheet, the output end of the miniature pushing motor is connected with a spring group, and the end part of the spring group is connected with a cutting blade; the first stepping motor, the second stepping motor, the third stepping motor, the electric valve, the rotating motor, the electric telescopic rod, the sliding motor and the micro pushing motor are all connected with the controller.

By adopting the technical scheme, the conveyor belt group is utilized, so that the soilless culture device is favorably fixed, and the soilless culture of vegetables can be realized; the support frame is used for supporting the conveyor belt group and the transverse plate so as to complete the planting, cultivation and picking of vegetable seedlings; the liquid inlet header pipe is used for facilitating the input of nutrient solution into the cultivation tank; the liquid drainage header pipe is beneficial to draining the nutrient solution in the cultivation tank, so that the picking is facilitated; the controller is beneficial to sending regulation and control instructions to all parts, so that vegetable seedling implantation, cultivation and picking operations can be smoothly realized; utilize vegetables collection device, help vegetables to pick the back and accomplish vegetables and pick collection work.

The liquid flowing holes in the same straight line are utilized to facilitate the conveying of nutrient solution in the liquid inlet header pipe to each cultivation groove so as to complete the cultivation of vegetables; the annular limiting piece is used for limiting the position of the vegetable fixing disc; the vegetable fixing disc is utilized, so that the root of the vegetable seedling can be planted, the root is in contact with nutrient solution, and the position of the vegetable seedling can be kept stable, so that the vegetable seedling can fully absorb nutrition and thrive; when vegetables are picked, the sliding groove and the first stepping motor are utilized, the vegetable fixing ring can move upwards under the traction of the first stepping motor, so that vegetables placed on the vegetable fixing ring can be driven to move to the top end of the cultivation groove, and the vegetable picking work can be conveniently carried out by picking pieces.

The electric valve is used for controlling the input and the discharge of the nutrient solution; the liquid inlet branch pipe is beneficial to communicating the liquid inlet main pipe with a liquid flowing hole in the soilless culture device so as to realize the injection of nutrient solution; the liquid drainage branch pipe is beneficial to communicating the liquid drainage main pipe with the liquid flowing hole of the soilless culture device, so that the nutrient solution can be drained. The supporting transverse plate is utilized to help the electric telescopic rod, the rotating part, the transverse part and other parts to play a supporting role; utilize recess, step motor two and step motor three, help making step motor two and step motor three along the recess in opposite directions or syntropy and go to can drive parts such as electric telescopic handle and transverse part and remove, can make the arc of two sets of picking pieces relative through the rotation portion, so that can accomplish vegetables through two curved cooperations and pick.

When vegetable seedlings and vegetables need to be planted and picked, the second stepping motor and the third stepping motor move in opposite directions or in the same direction, the telescopic length of the electric telescopic rod is adjusted through the controller, the angle of the rotating part is adjusted through the controller, the height and the angle of the transverse part and the picking pieces are favorably adjusted, so that the arc-shaped surfaces of the picking pieces on the two sides face the vegetables to be picked or planted, and a plurality of vegetable seedlings are favorably placed in or picked out at one time through the cooperative matching of the two corresponding picking pieces in the two groups of transverse parts; the sliding motor is beneficial to adjusting the relative position between the picking pieces, so that the placing gap of the picked vegetables can be adjusted, and the picked vegetables can be placed in the vegetable collecting device in order after the vegetables are picked; with the picking sheets, picking operation is facilitated by making the arc-shaped mouth parts of the two picking sheets opposite; utilize miniature push motor, when needs excise the vegetable root, can be through promoting spring assembly to promote the cutter blade and move forward, accomplish root excision work.

By adopting the scheme, vegetable seedlings can be planted into the soilless culture device through the cooperative matching of the two groups of picking devices; and after vegetables are ripe, can realize vegetables automatically and pick work to can be through the cooperation of picking device and vegetables collection device, the vegetables that will collect are neatly placed, can effectively avoid vegetables because of the damage on the automatic physiognomy that picks and suffer, can effectively improve work efficiency and degree of automation, so that subsequent transportation and selling.

The invention is further configured to: the vegetable collecting device comprises a lifter, a collecting frame arranged at the top end of the lifter and universal wheels arranged at the bottom end of the lifter.

By adopting the technical scheme, the height of the collecting frame can be adjusted by utilizing the lifter; with the collection frame, collection of the vegetables picked by the picking slices is facilitated; by means of the universal wheels, the position movement is facilitated, so that the position of the collecting frame is moved to the position below the picking sheets, and the picking work of the picking sheets can be matched.

The invention is further configured to: and a leakage net is arranged at the bottom end of the collecting frame.

By adopting the technical scheme, the leakage net is utilized, and the residual moisture on the surface of the picked vegetable is favorably drained.

The invention is further configured to: the input of feed liquor house steward is connected with the liquid reserve tank, the output of flowing back house steward is connected with the waste liquid case.

By adopting the technical scheme, the liquid storage tank is beneficial to storing the nutrient solution, and the nutrient solution is convenient to provide for the soilless culture device; and the waste liquid box is beneficial to collecting waste liquid generated after the vegetable culture.

The invention is further configured to: 2 an air drying device and a sterilizing device are arranged between the supporting transverse plates, and the air drying device and the sterilizing device are close to the end parts of the supporting transverse plates.

Through adopting above-mentioned technical scheme, utilize and air-dry device and degassing unit, help drying and disinfecting the soilless culture device, the recycling of the device of being convenient for.

In conclusion, the invention has the following beneficial effects: the device is provided with the picking devices, so that vegetable seedlings can be planted into the soilless culture device through the cooperation of the two groups of picking devices; and after vegetables are ripe, can realize vegetables automatically and pick work to can be through the cooperation of picking device and vegetables collection device, the vegetables that will collect are neatly placed, can effectively avoid vegetables because of the damage on the automatic physiognomy that picks and suffer, can effectively improve work efficiency and degree of automation, so that subsequent transportation and selling.

Drawings

FIG. 1 is a schematic top view of an embodiment of the present invention;

FIG. 2 is a schematic side view of an embodiment of the present invention;

FIG. 3 is a schematic sectional view of a cultivation tank according to an embodiment of the present invention;

FIG. 4 is a schematic top view of a cultivation tank according to an embodiment of the present invention;

fig. 5 is a perspective structure schematic diagram of a picking body of an embodiment of the invention.

In the figure: 1. a set of conveyor belts; 2. a support frame; 3. a liquid inlet header pipe; 4. a main drain pipe; 5. a controller; 6. a vegetable collection device; 7. a soilless culture device; 8. a cultivation trough; 9. a liquid flow aperture; 10. an annular limiting member; 11. a vegetable fixing disc; 12. a sliding groove; 13. a first stepping motor; 14. an electrically operated valve; 15. liquid drainage and tube distribution; 16. liquid inlet branch pipes; 17. supporting the transverse plate; 18. a strip-shaped groove; 19. a second stepping motor; 20. a step motor III; 21. an electric telescopic rod; 22. rotating the motor; 23. a rotating part; 24. a transverse portion; 25. a slide motor; 26. picking the slices; 27. a micro-driving motor; 28. a spring set; 29. cutting a blade; 30. an elevator; 31. a collection frame; 32. a leakage net; 33. a liquid storage tank; 34. a waste liquid tank; 35. an air drying device; 36. a sterilizing device; 37. a universal wheel.

Detailed Description

The invention is described in further detail below with reference to the following figures and embodiments:

example (b): an automatic soilless culture production line is shown in figures 1 to 5 and comprises 2 conveyor belt groups 1 which are arranged in parallel, a support frame 2 which is respectively connected with the end parts of rotating shafts of the 2 conveyor belt groups 1, a liquid inlet header pipe 3, a liquid outlet header pipe 4, a controller 5 and a vegetable collecting device 6, wherein the conveyor belt groups 1 are utilized to be beneficial to fixing a soilless culture device 7 so as to realize the soilless culture of vegetables; the support frame 2 is used for supporting the conveyor belt group 1 and the horizontal plate so as to complete the planting, cultivation and picking of vegetable seedlings; the liquid inlet header pipe 3 is used for facilitating the input of nutrient solution into the cultivation tank 8; the drainage header pipe 4 is beneficial to draining the nutrient solution in the cultivation tank 8, so that picking is facilitated; the controller 5 is beneficial to sending regulation and control instructions to all parts so as to smoothly realize vegetable seedling implantation, cultivation and picking operations; utilize vegetables collection device 6, help vegetables to pick the back and accomplish vegetables and pick collection work.

The top ends of the 2 conveyor belt groups 1 are provided with a plurality of soilless culture devices 7; soilless culture device 7 includes a plurality of cultivation grooves 8, and 2 liquid flow holes 9 have all been opened to cultivation groove 8's bottom, and liquid flow hole 9 all is in the collinear, utilizes the liquid flow hole 9 that is in the collinear, helps carrying the nutrient solution in the feed liquor house steward 3 to each cultivation groove 8 to can accomplish the cultivation of vegetables. An annular limiting piece 10 is arranged on the inner wall of the cultivation groove 8, a vegetable fixing disc 11 is placed on the top surface of the annular limiting piece 10, and the vegetable fixing disc 11 is annular; the annular limiting part 10 is beneficial to limiting the position of the vegetable fixing disc 11, the vegetable fixing disc 11 is beneficial to implanting the root of the vegetable seedling, the root is in contact with nutrient solution, and the position of the vegetable seedling can be kept stable, so that the vegetable seedling can fully absorb nutrition and thrive.

Cultivation groove 8's inner wall is equipped with 2 sliding tray 12 along vertical direction symmetry, equal sliding connection has step motor 13 in 2 sliding tray 12, step motor 13's output and the tip rigid coupling of vegetables fixed disk 11, when vegetables are picked, utilize sliding tray 12 and step motor 13, help making the solid fixed ring of vegetables upward movement under step motor 13's traction, thereby can drive the vegetables of arranging on the solid fixed ring of vegetables and remove to cultivation groove 8's top, be convenient for pick piece 26 and carry out vegetables picking work.

The height of the liquid inlet header pipe 3 is higher than that of the soilless culture device 7; the height of the drainage header pipe 4 is lower than that of the soilless culture device 7; the end parts of the liquid discharge header pipe 4 and the liquid inlet header pipe 3 are both provided with an electric valve 14; the electric valve 14 is used for controlling the input and the discharge of the nutrient solution. The side wall of the liquid discharge main pipe 4 is connected with a plurality of liquid discharge branch pipes 15, and the liquid discharge branch pipes 15 are utilized to facilitate the communication between the liquid discharge main pipe 4 and the liquid flowing holes 9 of the soilless culture device 7 so as to realize the discharge of nutrient solution; the side wall of the liquid inlet main pipe 3 is connected with a plurality of liquid inlet branch pipes 16; the liquid inlet branch pipe 16 is beneficial to communicating the liquid inlet header pipe 3 with the liquid flowing hole 9 in the soilless culture device 7, so that the nutrient solution can be injected.

The outer sides of the 2 support frames 2 are fixedly connected with a support transverse plate 17, and the support transverse plate is utilized to help to support the electric telescopic rod 21, the rotating part 23, the transverse part 24 and other parts; the top parts of the 2 supporting transverse plates 17 are provided with strip-shaped grooves 18; the second stepping motor 19 and the third stepping motor 20 are arranged in the strip-shaped groove 18 in a sliding mode, the groove, the second stepping motor 19 and the third stepping motor 20 are used for facilitating the second stepping motor 19 and the third stepping motor 20 to move in the same direction or opposite direction along the groove, so that the electric telescopic rod 21 and the transverse part 24 can be driven to move, the rotating part 23 can enable the two groups of picking pieces 26 to be opposite in arc shape, and vegetable picking can be completed through cooperation of the two arc shapes.

The output ends of the second stepping motor 19 and the third stepping motor 20 are provided with electric telescopic rods 21, the end parts of the electric telescopic rods 21 are provided with rotating motors 22, and the output ends of the rotating motors 22 are provided with rotating parts 23; every 2 rotating parts 23 are fixedly connected with a transverse part 24 along the direction vertical to the conveying belt group 1, when vegetable seedlings and vegetables need to be planted and picked, the second stepping motor 19 and the third stepping motor 20 move oppositely, the telescopic length of the electric telescopic rod 21 is adjusted through the controller 5, the angle of the rotating parts 23 is adjusted through the controller 5, the height and the angle of the transverse part 24 and the picking pieces 26 are favorably adjusted, so that the arc-shaped surfaces of the picking pieces 26 on the two sides face the vegetables to be picked or planted, and the vegetable seedlings can be favorably placed in or the vegetables can be favorably picked out at one time through the cooperative matching of the transverse parts 24 on the two sides.

A plurality of sliding motors 25 are arranged in the transverse part 24, the output ends of the sliding motors 25 are connected with picking pieces 26, and the end parts of the picking pieces 26 are arc-shaped; a micro pushing motor 27 is arranged inside the picking sheet 26, the output end of the micro pushing motor 27 is connected with a spring group 28, and the end part of the spring group 28 is connected with a cutting blade 29; the first stepping motor 13, the second stepping motor 19, the third stepping motor 20, the electric valve 14, the rotating motor 22, the electric telescopic rod 21, the sliding motor 25 and the micro pushing motor 27 are all connected with the controller 5. The sliding motor 25 is used for adjusting the relative position of the picking sheets 26, so that the picked vegetables can be placed in the vegetable collection device 6 in order after the vegetables are picked; with picking sheet 26, picking operations are facilitated by opposing arcuate mouths of two picking sheets 26; by using the micro-pushing motor 27, when the vegetable root needs to be cut, the spring set 28 can be pushed, so that the cutting blade 29 is pushed to move forwards, and the root cutting work is completed.

The vegetable collecting device 6 comprises a lifter 30, a collecting frame 31 arranged at the top end of the lifter 30 and a universal wheel 37 arranged at the bottom end of the lifter 30; the use of the lifter 30 facilitates adjustment of the height of the collection frame 31; with the collection frame 31, collection of the vegetables picked by the picking sheet 26 is facilitated; by means of the universal wheels 37, it is facilitated to move the position of the collecting frame 31 below the picking sheet 26 by means of a positional movement, so that the picking work of the picking sheet 26 can be coordinated. The bottom end of the collecting frame 31 is provided with a leakage net 32; the strainer 32 is used to help drain the residual moisture on the surface of the picked vegetable. The input end of the liquid inlet main pipe 3 is connected with a liquid storage tank 33, and the output end of the liquid outlet main pipe 4 is connected with a waste liquid tank 34; the liquid storage tank 33 is beneficial to storing nutrient solution, and is convenient for providing nutrient solution for the soilless culture device 7; the waste liquid tank 34 is used to help collect waste liquid generated after the cultivation of vegetables. Air-dry device 35 and degassing unit 36 have been placed between 2 horizontal editions of support, and air-dry device 35 and degassing unit 36 are close to the tip of supporting horizontal editions, utilize to air-dry device 35 and degassing unit 36, help drying and disinfecting soilless culture device 7, the used cycle of the device of being convenient for.

The working principle is as follows: when vegetable seedlings need to be planted, the controller 5 controls the second stepping motor 19 and the third stepping motor 20 to enable the two groups of transverse parts 24 to move to the end parts of the supporting transverse plates 17, meanwhile, the arcs of the picking pieces 26 respectively positioned on the two groups of transverse parts 24 are opposite and attached to each other, the vegetable seedlings are placed in gaps between the two arc parts, the height of the vegetable seedlings is adjusted by adjusting the flexibility of the electric telescopic rods 21 through the movement of the second stepping motor 19 and the third stepping motor 20, the angle of the picking pieces 26 is adjusted by adjusting the rotating motor 22, and the vegetable seedlings on the picking pieces 26 are placed in the corresponding cultivation grooves 8; then, nutrient solution is injected into the cultivation tank 8 through the electric valve 14, the liquid inlet header pipe 3, the liquid inlet branch pipe 16 and the liquid flowing hole 9;

when vegetables are ripe, utilize liquid flow hole 9, flowing back is in charge of 15 and claps the liquid house steward, discharge the nutrient solution in cultivation groove 8 to waste liquid case 34, utilize rotation motor 22, make picking piece 26 arc portion on two sets of horizontal portions 24 be relative direction, through the angle of adjusting electric telescopic handle 21's height and rotation portion 23, help accomplishing the harvesting of ripe vegetables, and vegetable collection device 6 can remove, after vegetables are picked, remove vegetable collection device 6 to the relevant position, through controller 5 to step motor two 19, step motor three 20 and sliding motor 25's control, can arrange the vegetables of picking in order, can effectively avoid vegetables to suffer the damage because of automatic picking.

In the above embodiment of the invention, the device is provided with the picking devices, which is helpful for planting vegetable seedlings into the soilless culture device 7 through the cooperation of the two groups of picking devices; and after vegetables are ripe, can realize vegetables automatically and pick work to can be through the cooperation of picking device and vegetables collection device 6, the vegetables that will collect are neatly placed, can effectively avoid vegetables because of the automatic damage on the physiognomy that receives of picking, can effectively improve work efficiency and degree of automation, so that subsequent transportation and selling.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an automatic change soilless culture production line, includes 2 parallel arrangement's conveyer belt group (1), support frame (2), feed liquor house steward (3), flowing back house steward (4), controller (5) and vegetables collection device (6) that link to each other with the pivot tip of 2 conveyer belt group (1) respectively, characterized by: a plurality of soilless culture devices (7) are arranged at the top ends of the 2 conveyor belt groups (1); the soilless culture device (7) comprises a plurality of culture grooves (8), the bottom ends of the culture grooves (8) are provided with 2 liquid flowing holes (9), and the liquid flowing holes (9) are all positioned on the same straight line; an annular limiting piece (10) is arranged on the inner wall of the cultivation groove (8); a vegetable fixing disc (11) is placed on the top surface of the annular limiting piece (10), and the vegetable fixing disc (11) is annular; 2 sliding grooves (12) are symmetrically formed in the inner wall of the cultivation groove (8) along the vertical direction, a first stepping motor (13) is connected in each of the 2 sliding grooves (12) in a sliding mode, and the output end of the first stepping motor (13) is fixedly connected with the end portion of the vegetable fixing disc (11);

the height of the liquid inlet header pipe (3) is higher than that of the soilless culture device (7); the height of the drainage header pipe (4) is lower than that of the soilless culture device (7); electric valves (14) are arranged at the end parts of the liquid drainage main pipe (4) and the liquid inlet main pipe (3); the side wall of the liquid drainage main pipe (4) is connected with a plurality of liquid drainage branch pipes (15), and the side wall of the liquid inlet main pipe (3) is connected with a plurality of liquid inlet branch pipes (16); the liquid discharge branch pipe (15) and the liquid inlet branch pipe (16) are communicated with the liquid flowing hole (9);

supporting transverse plates (17) are fixedly connected to the outer sides of the 2 supporting frames (2), and strip-shaped grooves (18) are formed in the tops of the 2 supporting transverse plates (17); a second stepping motor (19) and a third stepping motor (20) are arranged in the strip-shaped groove (18) in a sliding manner; the output ends of the second stepping motor (19) and the third stepping motor (20) are provided with electric telescopic rods (21), the end parts of the electric telescopic rods (21) are provided with rotating motors (22), and the output ends of the rotating motors (22) are provided with rotating parts (23); a transverse part (24) is fixedly connected among every 2 rotating parts (23) along the direction vertical to the conveying belt group (1);

a plurality of sliding motors (25) are arranged in the transverse part (24), the output ends of the sliding motors (25) are connected with picking pieces (26), and the end parts of the picking pieces (26) are arc-shaped; a micro pushing motor (27) is arranged inside the picking sheet (26), the output end of the micro pushing motor (27) is connected with a spring set (28), and the end part of the spring set (28) is connected with a cutting blade (29); the first stepping motor (13), the second stepping motor (19), the third stepping motor (20), the electric valve (14), the rotating motor (22), the electric telescopic rod (21), the sliding motor (25) and the micro pushing motor (27) are all connected with the controller (5).

2. An automated soilless culture production line according to claim 1 wherein: the vegetable collecting device (6) comprises a lifter (30), a collecting frame (31) arranged at the top end of the lifter (30) and a universal wheel (37) arranged at the bottom end of the lifter (30).

3. An automated soilless culture production line according to claim 2 wherein: the bottom end of the collecting frame (31) is provided with a leakage net (32).

4. An automated soilless culture production line according to claim 1 wherein: the input of inlet manifold (3) is connected with liquid reserve tank (33), the output of flowing back house steward (4) is connected with waste liquid case (34).

5. An automated soilless culture production line according to claim 1 wherein: an air drying device (35) and a sterilizing device (36) are arranged between the 2 supporting transverse plates, and the air drying device (35) and the sterilizing device (36) are close to the end parts of the supporting transverse plates.