CN216930858U - Automatic element-lacking spraying device - Google Patents

Abstract

The utility model provides an automatic nutrient deficiency spraying device which comprises a support, a rotating device and a nutrient bottle, wherein the support is provided with a plurality of groups of rotating devices through a connecting seat, each rotating device comprises a connecting plate, a rotating motor is fixedly connected below the connecting plate, a rotating shaft is arranged below the rotating motor, a connecting rod is fixedly connected to the side edge of the rotating shaft, the other end of the connecting rod is fixedly connected with a tray, the nutrient bottle comprises a nutrient bottle body, a nutrient bottle cap is in threaded connection with the upper part of the nutrient bottle body, and a nutrient bottle nozzle is in threaded connection with the lower part of the nutrient bottle body; through being provided with rotary device for under the effect of rotating electrical machines, the tray rotates through rotation axis and connecting rod, through being provided with the tray, can let the nutrition bottle place on rotary device, thereby let the nutrition bottle can rotate to crops top in proper order, reach the purpose that lets the nutrient solution spraying to crops, and confirm whether sufficient with the notch through the observation that the nutrient solution is.

Description

Automatic lack plain spraying device

Technical Field

The utility model relates to the technical field of crop cultivation, in particular to an automatic nutrient-deficiency spraying device.

Background

The green development concept is adhered to, the foliage spraying technology is adopted, the soil fixation can be avoided, meanwhile, the extra-root fertilization is suitable for mechanization, the labor cost can be reduced, the pollution is avoided, the environment is protected, and the method is economical and effective.

The foliage spraying of the horticultural crops can directly supply effective nutrients to the plants, the leaves can absorb and convert the nutrients faster than roots, the requirements of the plants on the nutrients can be supplemented in time, and the high yield of the crops are ensured. The plant needs a lot of trace elements in the later growth period, and the foliage spraying technology can better supplement the special needs of certain nutrient elements in the growth period of the crops or regulate the growth and development of the crops. When the horticultural crops are planted in a large range, each plant has different nutrient deficiencies, and corresponding elements can be supplemented according to the different nutrient deficiencies.

When the horticultural crops are planted in a large area, each plant is quickly and accurately fertilized according to the nutrient deficiency condition of different single plants, so that the excess or deficiency of nutrition caused by wrong fertilization is avoided, the labor cost is reduced, the fertilizer consumption is economic, the concentration is easy to control, and the pollution is reduced.

Through search, the Chinese patent with publication number CN205455141U discloses an aeroponic acacetin deficiency experiment system, which comprises an aeroponic box: the plant cultivation box comprises a box body with an opening at the top and a box cover arranged on the opening of the box body in a covering manner, wherein a first hole for a water supply pipe to pass through is formed in the box body; nutrient solution is filled in the nutrient solution barrel; the tail end of the water supply pipe is closed, a pump is mounted on the water supply pipe, the water supply pipe is divided into a water absorption section and a water supply section by the pump, the water absorption section extends into the nutrient solution, the water supply section continuously penetrates through the multiple aeroponics boxes, and the water supply section in the aeroponics boxes is provided with spraying holes; the drain pipe is connected with the nutrient solution barrel through a return water pipe.

The experimental system for aeroponics acacetin disease in the patent has the following defects: when horticultural crops are planted in a large area, each plant cannot be quickly and accurately fertilized according to the nutrient deficiency condition of different single plants, so that overnutrition or nutrient deficiency caused by wrong fertilization can be caused.

Therefore, an automatic nutrient-deficiency spraying device is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide an automatic nutrient-deficient spraying device to solve or alleviate the technical problems in the prior art, and at least provide a useful choice.

The technical scheme of the embodiment of the utility model is realized as follows: the utility model provides an automatic scarce element spraying device, includes support, rotary device and nutrition bottle, its characterized in that: the outer wall of the support is sleeved with a connecting seat, and a connecting plate is fixed at the bottom end of the connecting seat; the rotating device comprises a rotating motor and a rotating shaft, the rotating motor is fixed at the bottom end of the connecting plate through a screw, and the rotating shaft is connected with an output shaft of the rotating motor through a coupler; the utility model discloses a nutrition bottle, including rotation axis side fixedly connected with connecting rod, connecting rod other end fixedly connected with tray, the nutrition bottle includes the nutrition bottle, nutrition bottle top is provided with the nutrition bottle lid, nutrition bottle below is provided with the nutrition bottle shower nozzle, and nutrition bottle bottom of the body fixed mounting has the solenoid valve.

In some embodiments, the solenoid valve is replaced by a sprayer cover, and the sprayer cover is arranged below the sprayer of the nutrition bottle.

In some embodiments, the top end of the nutrition bottle body is connected with a nutrition bottle cap through threads, and the nutrition bottle body is of a transparent plastic bottle body structure.

In some embodiments, the side edge of the tray is provided with a notch for observation, the number of the connecting rods and the number of the trays are six, and the six groups of connecting rods and the trays form an umbrella-shaped structure.

In some embodiments, the support is replaced by a longitudinal moving device and a transverse moving device, the connecting plate is replaced by a device bottom plate, the side surface of the device bottom plate is provided with a transverse moving sliding hole and a transverse moving screw hole, and the lower part of the device bottom plate is fixedly connected with a rotating motor.

In some embodiments, the lateral moving device includes a first longitudinal moving plate and a second longitudinal moving plate, the first longitudinal moving plate and the second longitudinal moving plate are both provided with a longitudinal moving screw hole and a longitudinal moving slide hole, the right side of the first longitudinal moving plate is provided with a lateral screw rod and a lateral guide rail, the right side of the lateral screw rod is rotatably connected with the second longitudinal moving plate, the right side of the lateral guide rail is fixedly connected with the second longitudinal moving plate, the right side of the second longitudinal moving plate is provided with a lateral moving motor, the output end of the lateral moving motor is fixedly connected with the lateral screw rod through a coupler, and the lateral screw rod and the lateral guide rail are respectively matched with the lateral moving screw hole and the lateral moving slide hole.

In some embodiments, the longitudinal moving device comprises a first device frame, two longitudinal moving motors are arranged at the front end of the first device frame, a longitudinal guide rail and a longitudinal screw rod are arranged at the rear end of the first device frame, a second device frame is arranged at the rear ends of the longitudinal guide rail and the longitudinal screw rod, the output end of the longitudinal moving motor is connected with the longitudinal screw rod through a coupler, the two longitudinal moving motors are connected through a synchronous controller, and the longitudinal guide rail and the longitudinal screw rod are respectively matched with the longitudinal moving slide hole and the longitudinal moving screw hole.

In some embodiments, a round hole is formed below the tray, and scale marks are arranged on the side edge of the tray.

In some embodiments, the rotating motor can be replaced by a shaft seat, the rotating shaft is rotatably connected to the bottom of the shaft seat, and the shaft seat is fixed at the bottom end of the connecting plate through a screw.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

1. the utility model provides an automatic scarce plain spraying device, through being provided with rotary device for under the effect of rotating electrical machines, the tray rotates through rotation axis and connecting rod, through being provided with the tray, can let the nutrition bottle place on rotary device, thereby lets each nutrition bottle can rotate to crops top in proper order, reaches the purpose that lets the nutrient solution spraying to crops.

2. An automatic nutrient deficiency spraying device enables a user to observe whether the nutrient solution in a nutrient bottle is enough or not by arranging a notch for observation and a scale mark, and is ready for supplementing the nutrient solution.

3. The utility model provides an automatic scarce plain spraying device, is through being provided with the nutrition bottle for nutrient solution can be deposited in the nutrition bottle, makes the nutrient solution when not enough through being provided with the nutrition bottle lid, only needs to stop the rotating electrical machines and screw down the nutrition bottle lid alright toward pouring into the nutrient solution in the nutrition bottle, through setting up the nutrition bottle shower nozzle, makes more even that the nutrient solution sprayed, and can change according to user's demand, satisfies different spraying requirements.

4. The utility model provides an automatic scarce plain spraying device, is through being provided with lateral shifting device, having vertical mobile device and device bottom plate for under the effect of lateral shifting motor, let the device can lateral shifting, under the effect of vertical mobile motor, let the lateral shifting device can longitudinal movement, thereby let the device can longitudinal movement.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall apparatus proposed in example 1;

FIG. 2 is a schematic view of a tray structure according to embodiment 1;

FIG. 3 is a schematic diagram of the structure of the nutrition bottle set forth in example 1;

FIG. 4 is a view showing the parts of the body of the feeding bottle in accordance with example 1;

fig. 5 is a part diagram of the bottle cap of the nutrition bottle proposed in example 1;

FIG. 6 is a view showing the nozzle head of the feeding bottle proposed in example 1;

FIG. 7 is a schematic view of the structure of the whole apparatus proposed in example 2;

FIG. 8 is a schematic view showing the structure of a rotating apparatus according to embodiment 2;

fig. 9 is an installation structure diagram of the electric control valve proposed in embodiment 2;

fig. 10 is a schematic structural diagram of a longitudinal movement device according to embodiment 2;

fig. 11 is a schematic structural diagram of the lateral shifting apparatus according to embodiment 2.

Reference numerals:

1-rotating device, 101-shaft seat, 2-nutrition bottle, 3-transverse moving device, 4-longitudinal moving device, 5-device bottom plate, 6-rotating motor, 7-rotating shaft, 8-connecting rod, 9-tray, 10-observation notch, 11-nutrition bottle body, 12-nutrition bottle cap, 13-nutrition bottle nozzle, 14-device frame I, 15-longitudinal moving motor, 16-device frame II, 17-longitudinal guide rail, 18-longitudinal screw rod, 19-longitudinal moving plate I, 20-longitudinal moving plate II, 21-longitudinal moving screw hole, 22-longitudinal moving slide hole, 23-transverse moving motor, 24-transverse screw rod, 25-transverse guide rail, 26-transverse moving slide hole, 27-transverse moving screw hole, 28-nozzle cover, 2801-electric control valve, 29-connecting plate, 30-bracket and 31-connecting seat.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-6, an automatic nutrient-deficient spraying device comprises a bracket 30, a rotating device 1 and a nutrient bottle 2;

the outer wall of the support 30 is sleeved with a connecting seat 31, and the bottom end of the connecting seat 31 is fixed with a connecting plate 29, wherein the connecting seat 31 can slide on the outer wall of the support 30 to realize flexible adjustment and adaptation to plants at different positions, and can also be fixed on the outer wall of the support 30 to realize firm nutrient spraying; the number of the connecting seats 31 and the number of the supports 30 can be properly set according to the number of plants;

the rotating device 1 comprises a shaft seat 101 and a rotating shaft 7 rotating at the bottom of the shaft seat 101, wherein the shaft seat 101 is fixed at the bottom end of the connecting plate 29 through a screw;

the side edge of the rotating shaft 7 is fixedly connected with a connecting rod 8, the other end of the connecting rod 8 is fixedly connected with a tray 9, the side edge of the tray 9 is provided with a notch 10 for observation, the number of the connecting rods 8 and the number of the trays 9 are not limited, preferably, the number of the connecting rods 8 and the number of the trays 9 are six, the number of the connecting rods 8 and the number of the trays 9 are consistent, and the six groups of connecting rods 8 and the trays 9 form an umbrella-shaped structure which can flexibly rotate to complete spraying according to requirements;

a round hole is formed below the tray 9, and scale marks are arranged on the side edge of the tray 9; through being provided with rotary device 1, make under the effect of rotating electrical machines 6, tray 9 rotates through rotation axis 7 and connecting rod 8, through being provided with tray 9, can let nutrition bottle 2 place on rotary device 1, thereby let each nutrition bottle 2 can rotate to crops top in proper order, reach the purpose that lets the nutrient solution spraying to crops, through being provided with observation and using notch 10, make the user can judge whether enough according to the nutrient solution in nutrition bottle 2 of scale mark, make the preparation of replenishing the nutrient solution.

In this embodiment, the nutrition bottle 2 includes a nutrition bottle body 11, a nutrition bottle cap 12 is screwed above the nutrition bottle body 11, a nutrition bottle nozzle 13 is screwed below the nutrition bottle body 11, a nozzle cap 28 is arranged below the nutrition bottle nozzle 13, the nutrition bottle body 11 is made of non-limited materials, preferably, the nutrition bottle body 11 is made of transparent plastics, the type of the nutrition bottle nozzle 13 is not limited, and preferably, an atomizing nozzle sold in the market can be adopted; through being provided with nutrition bottle 2, make nutrient solution can be deposited in nutrition bottle 2, make nutrient solution when not enough through being provided with nutrition bottle lid 12, only need stop rotating electrical machines 6 and screw down nutrition bottle lid 12 alright pour nutrient solution toward in nutrition bottle 11, through setting up nutrition bottle shower nozzle 13, make more even that nutrient solution sprays, and can change according to user's demand, satisfy different spraying requirements, through being provided with shower nozzle lid 28, make opening and closing of shower nozzle can be controlled.

In this embodiment, the outer side of the bracket 30 is fixedly connected with a connecting seat 31, the lower side of the connecting seat 31 is fixedly connected with a connecting plate 29, and the bracket 30 is provided with a plurality of sets of rotating devices 1 through the connecting seat 31; through being provided with support 30 and connecting seat 31 for be provided with rotary device 1 through connecting seat 31 on support 30, through set up multiunit rotary device 1 on support 30, make to satisfy the device and can be used to the spraying environment of large tracts of land.

The working principle is as follows:

firstly, hanging the connecting plate 29 at a proper position, and placing a single crop right below one of the nutrition bottle bodies 11;

screwing down the spray heads 13 of the nutrition bottles, filling nutrient solutions with different nutrients into the six groups of nutrition bottles 2, and screwing up the spray heads 13 of the nutrition bottles; the nutrition bottle 2 is placed on the tray 9 in an inverted mode;

when the crops have the specific nutrients required, the rotating shaft 7 is rotated, so that the nutrient bottles 2 corresponding to the nutrients in the tray 9 are rotated to be right above the crops under the action of the rotating shaft 7, and finally the spray head cover 28 is opened to allow the nutrient solution to be sprayed on the crops through the nutrient bottle spray heads 13.

Example 2

An automatic nutrient-deficiency spraying device is used for adapting to a large-area planting environment in order to save manpower; this example makes some improvements over example 1:

as shown in fig. 7-11, the shaft seat 101 is replaced with a rotary motor 6; the rotating shaft 7 is connected with an output shaft of the rotating motor 6 through a coupler, and the rotating motor 6 can drive the rotating shaft 7 to rotate to replace manual driving;

meanwhile, the sprayer cover 28 can be replaced by an electric control valve 2801, the electric control valve 2801 is fixedly installed at the bottom of the nutrition bottle body 11, automatic spraying effect can be achieved through automatic opening and closing of the electric control valve and mechanical rotation of the rotating motor 6, and the sprayer cover is suitable for large-area planting and greatly reduces labor intensity.

The operating principle of the link is as follows: firstly, hanging the connecting plate 29 at a proper position, and placing a single crop right below one of the nutrition bottle bodies 11; screwing down the spray heads 13 of the nutrition bottles, filling nutrient solutions with different nutrients into the six groups of nutrition bottles 2, and screwing up the spray heads 13 of the nutrition bottles; the nutrition bottle 2 is placed on the tray 9 in an inverted mode; when the crops need specific nutrients, the rotating motor 6 is started to rotate the rotating shaft 7, so that the nutrient bottles 2 corresponding to the nutrients in the tray 9 rotate to the position right above the crops under the action of the rotating shaft 7, and finally the electromagnetic valve 2801 is opened to allow nutrient solution to be sprayed on the crops through the nutrient bottle nozzles 13.

The support 30 is replaced by an automatic moving structure, the connecting plate 29 is replaced by a device bottom plate 5, the automatic moving structure comprises a transverse moving device 3 and a longitudinal moving device 4, the lower part of the device bottom plate 5 is fixedly connected with the rotating device 1, and the side surface of the device bottom plate 5 is provided with a transverse moving sliding hole 26 and a transverse moving screw hole 27; the rotating device 1 can be mounted on the lateral moving device 3 by providing the lateral moving slide hole 26 and the lateral moving screw hole 27.

The transverse moving device 3 comprises a first longitudinal moving plate 19 and a second longitudinal moving plate 20, the first longitudinal moving plate 19 and the second longitudinal moving plate 20 are both provided with a longitudinal moving screw hole 21 and a longitudinal moving sliding hole 22, the right side of the first longitudinal moving plate 19 is provided with a transverse screw rod 24 and a transverse guide rail 25, the right side of the transverse screw rod 24 is rotatably connected with the second longitudinal moving plate 20, the right side of the transverse guide rail 25 is fixedly connected with the second longitudinal moving plate 20, the right side of the second longitudinal moving plate 20 is provided with a transverse moving motor 23, the output end of the transverse moving motor 23 is fixedly connected with the transverse screw rod 24 through a coupler, and the transverse screw rod 24 and the transverse guide rail 25 are respectively matched with a transverse moving screw hole 27 and a transverse moving sliding hole 26; by providing the traversing means 3, the device is caused to traverse by the traversing motor 23.

In this embodiment, the longitudinal moving device 4 includes a first device frame 14, two longitudinal moving motors 15 are disposed at the front end of the first device frame 14, a longitudinal guide rail 17 and a longitudinal screw 18 are disposed at the rear end of the first device frame 14, a second device frame 16 is disposed at the rear ends of the longitudinal guide rail 17 and the longitudinal screw 18, the output end of the longitudinal moving motor 15 is fixedly connected with the longitudinal screw 18 through a coupling, the longitudinal guide rail 17 and the longitudinal screw 18 are respectively matched with a longitudinal moving slide hole 22 and a longitudinal moving screw hole 21, and the two longitudinal moving motors 15 are connected through a synchronous controller; the longitudinal moving device 4 is arranged, so that the transverse moving device 3 can be moved longitudinally under the action of the longitudinal moving motor 15, and the device can be moved longitudinally.

The working principle is as follows:

firstly, starting a longitudinal moving motor 15 to enable the rotating device 1 and the transverse moving device 3 to be aligned with crops in the longitudinal direction; then starting the transverse moving motor 23 to enable the nutrition bottle body 11 to be positioned right above the crops; then, the electric control valve 2801 is opened, so that the nutrient bottle 2 can spray nutrients to crop plants; after the crops are sprayed, the longitudinal moving motor 15 and the transverse moving motor 23 can be started again, so that the bottle body 11 of the nutrition bottle is aligned to other crops and spraying work is carried out.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (9)

1. The utility model provides an automatic scarce element spraying device, includes support (30), rotary device (1) and nutrition bottle (2), its characterized in that: the outer wall of the support (30) is sleeved with a connecting seat (31), and a connecting plate (29) is fixed at the bottom end of the connecting seat (31); the rotating device (1) comprises a rotating motor (6) and a rotating shaft (7), the rotating motor (6) is fixed at the bottom end of the connecting plate (29) through a screw, and the rotating shaft (7) is connected with an output shaft of the rotating motor (6) through a coupler; rotation axis (7) side fixedly connected with connecting rod (8), connecting rod (8) other end fixedly connected with tray (9), nutrition bottle (2) are including nutrition bottle (11), nutrition bottle (11) top is provided with nutrition bottle lid (12), nutrition bottle (11) below is provided with nutrition bottle shower nozzle (13), and nutrition bottle (11) bottom fixed mounting has solenoid valve (2801).

2. The automatic nutrient-deficient spraying device according to claim 1, wherein: the electromagnetic valve (2801) is replaced by a sprayer cover (28), and the sprayer cover (28) is arranged below the nutrient bottle sprayer (13).

3. The automatic nutrient-deficient spraying device according to claim 2, wherein: the top end of the nutrition bottle body (11) is connected with a nutrition bottle cap (12) through threads, and the nutrition bottle body (11) is of a transparent plastic bottle body structure.

4. The automatic nutrient-deficient spraying device according to claim 1, wherein: the side of the tray (9) is provided with a notch (10) for observation, the number of the connecting rods (8) and the number of the trays (9) are six, and the six groups of the connecting rods (8) and the trays (9) form an umbrella-shaped structure.

5. The automatic nutrient-deficient spraying device according to claim 1, wherein: the support (30) is replaced by a longitudinal moving device (4) and a transverse moving device (3), the connecting plate (29) is replaced by a device bottom plate (5), a transverse moving sliding hole (26) and a transverse moving screw hole (27) are formed in the side face of the device bottom plate (5), and the lower portion of the device bottom plate (5) is fixedly connected with a rotating motor (6).

6. The automatic nutrient-deficient spraying device according to claim 5, wherein: the transverse moving device (3) comprises a first longitudinal moving plate (19) and a second longitudinal moving plate (20), the longitudinal moving plate I (19) and the longitudinal moving plate II (20) are both provided with a longitudinal moving screw hole (21) and a longitudinal moving sliding hole (22), a transverse screw rod (24) and a transverse guide rail (25) are arranged on the right side of the longitudinal moving plate I (19), the right side of the transverse screw rod (24) is rotationally connected with the longitudinal moving plate II (20), the right side of the transverse guide rail (25) is fixedly connected with the second longitudinal moving plate (20), a transverse moving motor (23) is arranged on the right side of the longitudinal moving plate II (20), the output end of the transverse moving motor (23) is fixedly connected with a transverse screw rod (24) through a coupler, the transverse screw rod (24) and the transverse guide rail (25) are respectively matched with a transverse moving screw hole (27) and a transverse moving sliding hole (26).

7. The automated nutrient-deficient spray device of claim 6, wherein: the longitudinal moving device (4) comprises a device frame I (14), two longitudinal moving motors (15) are arranged at the front end of the device frame I (14), a longitudinal guide rail (17) and a longitudinal screw rod (18) are arranged at the rear end of the device frame I (14), a device frame II (16) is arranged at the rear ends of the longitudinal guide rail (17) and the longitudinal screw rod (18), the output end of the longitudinal moving motor (15) is connected with the longitudinal screw rod (18) through a coupler, the two longitudinal moving motors (15) are connected through a synchronous controller, and the longitudinal guide rail (17) and the longitudinal screw rod (18) are matched with a longitudinal moving slide hole (22) and a longitudinal moving screw hole (21) respectively.

8. The automatic nutrient-deficient spraying device according to claim 4, wherein: round holes are formed in the lower portion of the tray (9), and scale marks are arranged on the side edge of the tray (9).

9. The automatic nutrient-deficient spraying device according to claim 2, wherein: the rotating motor (6) is replaced by a shaft seat (101), the rotating shaft (7) is rotatably connected to the bottom of the shaft seat (101), and the shaft seat (101) is fixed to the bottom end of the connecting plate (29) through screws.

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