Automatic fertilizer applicator

Abstract

The utility model relates to the technical field of agriculture, in particular to an automatic fertilizer applicator. The technical problems are as follows: in the using process of a fertilizer applicator in the prior art, after automatic ditching and fertilizer adding, the soil backfilling effect is poor; the fertilizer applying amount is large and small, and timely control cannot be realized, so that the fertilization is not uniform, and the fertilizer efficiency is poor. According to the technical scheme, the automatic fertilizer applicator comprises a main mounting frame, a storage bin is mounted on the main mounting frame, a plurality of ditching cutters are mounted at the bottom of one side of the main mounting frame, each ditching cutter is mounted on the main mounting frame through a second connecting rod, and a plurality of moving wheels are mounted at the bottom of the other side of the main mounting frame; a plurality of discharging openings are formed in the bottom of the material storage bin, and discharging barrels are installed at the positions, corresponding to the discharging openings, of the bottom of the lower side of the material storage bin; the device further comprises soil returning mechanisms, each soil returning mechanism is installed on the corresponding discharging barrel, each soil returning mechanism comprises a first rotating shaft rod, and the first rotating shaft rods are rotationally installed on the discharging barrels.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural technology field especially, relate to an automatic fertilizer distributor. BACKGROUND

[0002] Fertilizer distributor, the mechanical equipment of fertilizing; by fertilizer box, fertilizer distributor etc.

[0003] In prior art, the soil backfill effect is poor after automatic ditching and adding fertilizer of the fertilizer distributor in the use process, and the fertilizer application is electric control, the fertilizer amount is more or less, cannot realize the timely control, leads to uneven fertilization, and the fertilizer efficiency is poor. UTILITY MODEL CONTENTS

[0004] The utility model provides an automatic fertilizer distributor, solveed the soil backfill effect is poor after automatic ditching and adding fertilizer of the fertilizer distributor in the use process in prior art, and the fertilizer application is electric control, the fertilizer amount is more or less, cannot realize the timely control, leads to uneven fertilization, and the fertilizer efficiency is poor problem.

[0005] The technical scheme of the utility model is as follows:

[0006] An automatic fertilizer distributor, including total mounting frame, the total mounting frame is installed with storage cabin, the bottom of one side of total mounting frame is installed with a plurality of ditching knives, every ditching knife is installed on the total mounting frame through second link rod, the bottom of the other side of total mounting frame is installed with a plurality of mobile wheels, the bottom of storage cabin is opened with a plurality of discharge ports, the bottom of the downside of storage cabin corresponds every discharge port place and is installed with discharge cylinder;

[0007] Still including back soil mechanism, every discharge cylinder is installed with a back soil mechanism, and the back soil mechanism includes:

[0008] First pivot rod, the first pivot rod rotation is installed on the discharge cylinder;

[0009] First linkage rod, the upper end of first linkage rod is installed on the first pivot rod;

[0010] First link rod, the lower end of first linkage rod is fixedly connected with the first link rod;

[0011] Back soil disc, both ends of the first link rod are installed with a back soil disc;

[0012] The lower part of the discharge cylinder is opened with a gap away from the ditching knife side, and a discharge baffle is rotationally arranged at the discharge port of the lower end of the discharge cylinder, and the first linkage rod is in transmission connection with the discharge baffle.

[0013] As a further technical scheme, the blanking baffle is rotatably installed at the lower end discharge port of the blanking cylinder through a third rotating shaft rod, and the first linkage rod is drivingly connected to the third rotating shaft rod through a connecting rod assembly.

[0014] As a further technical scheme, the connecting rod assembly comprises:

[0015] A first sliding rod, a first section of the first sliding rod being hingedly connected to a lower part of the first linkage rod;

[0016] A second rotating shaft rod, the second rotating shaft rod being rotatably installed on the blanking cylinder, the second rotating shaft rod being located above the third rotating shaft rod;

[0017] A first spring, the first spring being sleeved on the first sliding rod;

[0018] A second linkage rod, the second linkage rod being installed on the second rotating shaft rod, an upper end of the first sliding rod penetrating a hole of the second linkage rod, a diameter of the hole of the second linkage rod being smaller than a diameter of the first spring;

[0019] A third linkage rod, a first end of the third linkage rod being fixedly connected to the second rotating shaft rod;

[0020] A fourth linkage rod, a first end of the fourth linkage rod being hingedly connected to a second end of the third linkage rod;

[0021] A fifth linkage rod, a first end of the fifth linkage rod being hingedly connected to a second end of the fourth linkage rod, and a second end of the fifth linkage rod being fixedly connected to the third rotating shaft rod.

[0022] As a further technical scheme, the first rotating shaft rod is a torsion spring rotating shaft, and the blanking baffle is also fixedly connected to a rotating shaft of the first rotating shaft rod.

[0023] As a further technical scheme, the blanking cylinder is further provided with a manual opening and closing assembly, the manual opening and closing assembly comprising:

[0024] A partition plate, the partition plate being slidingly arranged on one side wall of the blanking cylinder;

[0025] A positioning plate, the positioning plate being fixedly connected to the blanking cylinder, and a sliding groove being formed in the positioning plate;

[0026] A nut, the nut being located on an upper side of the positioning plate, the positioning plate being located on an upper side of the partition plate, and the nut being screwed on a bolt on the partition plate, the bolt penetrating the sliding groove of the positioning plate.

[0027] As a further technical scheme, the bottom of the storage cabin is provided with three blanking ports, and a blanking control assembly is further included, the blanking control assembly comprising:

[0028] A plurality of segmental augers are rotatably installed on the storage cabin, and are located above the discharge port, which is composed of four augers with different helical directions, the helical directions of the two augers at both ends are opposite, and the helical directions of the two augers in the middle are opposite.

[0029] As a further technical solution, a guide cover is installed above each of the three discharge ports in the storage cabin to limit the speed of discharging.

[0030] As a further technical solution, a plurality of cover caps are further included, and a stirring auger is rotatably arranged in the storage cabin.

[0031] As a further technical solution, a land leveling assembly is further included, which comprises:

[0032] A first mounting seat is provided with two first mounting seats, which are installed on the total mounting frame;

[0033] A first sleeve ring is rotatably arranged on each of the first mounting seats;

[0034] A second sliding rod is slidably arranged in each of the first sleeve rings;

[0035] A second spring is arranged on the outer surface of each of the second sliding rods;

[0036] A land leveling plate is hingedly connected to the bottom of the two second sliding rods;

[0037] A sixth linkage rod is provided with two sixth linkage rods, the first ends of the two sixth linkage rods are symmetrically hingedly connected to one side of the land leveling plate, and the second ends of the two sixth linkage rods are hingedly connected to the total mounting frame.

[0038] As a further technical solution, it further comprises:

[0039] A second mounting seat is provided with two second mounting seats, which are installed on the total mounting frame;

[0040] A wheel frame is provided with two wheel frames, each of which is rotatably installed on one of the second mounting seats;

[0041] A wheel shaft rod is rotatably installed on the two wheel frames;

[0042] Each of the moving wheels is rotatably installed on the lower part of one of the wheel frames, and the rotating shafts of the two moving wheels are fixedly connected to the wheel shaft rod;

[0043] A third mounting seat is mounted on each of the second mounting seats;

[0044] A second collar is rotatably mounted on the upper portion of each of the third mounting seats;

[0045] A third sliding rod is slidingly mounted in each of the second collars;

[0046] A positioning nut is provided with a thread on the outer surface of each of the third sliding rods, and each of the third sliding rods is screwed with a positioning nut, which is located on the upper side of the second collar;

[0047] A connecting rod is rotatably mounted on each of the wheel frames, and the lower portion of each of the third sliding rods penetrates the connecting rod, and the lower end of the third sliding rod is provided with a chuck;

[0048] A standing platform is mounted on the total mounting frame away from the side of the furrower.

[0049] The beneficial effects of the utility model are as follows: when fertilizing, the soil returning disc is abutted on the soil, the soil makes the soil returning disc move upward and be lifted, drives the first linkage rod to move upward, and then the first linkage rod drives the downward baffle to rotate outward and open through the transmission belt, so that the downward opening of the downward feeding cylinder is opened, then the fertilizer falls downward into the furrow opened by the furrower, and the fertilizing is completed, then the soil returning disc also moves synchronously to move the soil on both sides of the furrow to the middle and backfill, and automatic furrowing and fertilizing and automatic backfilling are realized.

[0050] After the fertilizing is completed, the automatic fertilizing machine is separated from the soil, the automatic fertilizing machine moves upward as a whole, then the soil returning disc also moves upward, loses the support of the soil, and moves downward, so that the downward baffle is closed again, and thus the automatic opening and closing of the fertilizer feeding channel are realized. BRIEF DESCRIPTION OF DRAWINGS

[0051] The utility model will be explained in further detail in combination with the drawings and specific embodiments.

[0052] Figure 1 It is a first perspective structural schematic view of the automatic fertilizing machine of the utility model;

[0053] Figure 2 It is a second perspective structural schematic view of the automatic fertilizing machine of the utility model;

[0054] Figure 3 It is a first local structural schematic view of the automatic fertilizing machine of the utility model;

[0055] Figure 4 It is a first structural schematic view of the soil returning mechanism in the utility model;

[0056] Figure 5 It is the second structure schematic view of the soil returning mechanism in the utility model;

[0057] Figure 6 It is the third structure schematic view of the soil returning mechanism in the utility model;

[0058] Figure 7 It is the fourth structure schematic view of the soil returning mechanism in the utility model;

[0059] Figure 8 It is the first structure schematic view of the discharging control assembly in the utility model;

[0060] Figure 9 It is the second structure schematic view of the discharging control assembly in the utility model;

[0061] Figure 10 It is the third structure schematic view of the discharging control assembly in the utility model;

[0062] Figure 11 It is the first structure schematic view of the soil leveling assembly in the utility model;

[0063] Figure 12 It is the second structure schematic view of the soil leveling assembly in the utility model;

[0064] Figure 13 It is the third structure schematic view of the soil leveling assembly in the utility model;

[0065] Figure 14 It is the first structure schematic view of the moving wheel part in the utility model;

[0066] Figure 15 It is the second structure schematic view of the moving wheel part in the utility model;

[0067] In the drawing: 1, total mounting frame; 2, storage cabin; 3, discharging cylinder; 4, first rotating shaft rod; 5, first linkage rod; 6, first connecting rod; 7, soil returning disc; 8, first sliding rod; 9, first spring; 10, second linkage rod; 11, second rotating shaft rod; 12, third linkage rod; 13, fourth linkage rod; 14, fifth linkage rod; 15, third rotating shaft rod; 16, discharging baffle; 17, furrow opener; 18, second connecting rod; 19, partition; 20, positioning plate; 21, nut; 22, multi-section auger; 23, material guide cover; 24, discharging port; 25, covering cover; 26, stirring auger; 27, first mounting base; 28, first collar; 29, second sliding rod; 30, second spring; 31, soil leveling plate; 32, sixth linkage rod; 33, second mounting base; 34, wheel frame; 35, wheel shaft rod; 36, moving wheel; 37, third mounting base; 38, second collar; 39, third sliding rod; 40, positioning nut; 41, connecting rod; 42, standing platform. DETAILED DESCRIPTION

[0068] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0069] Example 1

[0070] like Figures 1-10 As shown, this embodiment proposes an automated fertilizer applicator, including a main mounting frame 1, on which a storage bin 2 is mounted. Several trenching blades 17 are mounted on one side of the bottom of the main mounting frame 1, and each trenching blade 17 is mounted on the main mounting frame 1 via a second connecting rod 18. Several moving wheels 36 are mounted on the other side of the bottom of the main mounting frame 1. Several discharge ports 24 are opened at the bottom of the storage bin 2, and a discharge cylinder 3 is installed at the bottom of the storage bin 2 corresponding to each discharge port 24.

[0071] It also includes a soil return mechanism, one of which is installed on each of the feeding cylinders 3. The soil return mechanism includes:

[0072] The first rotating shaft 4 is rotatably mounted on the feed cylinder 3;

[0073] The first linkage rod 5, the upper end of the first linkage rod 5 is mounted on the first rotating shaft rod 4;

[0074] The first connecting rod 6 is fixedly connected to the lower end of the first linkage rod 5;

[0075] Backfill plate 7, one of the backfill plates 7 is installed at each end of the first connecting rod 6;

[0076] The lower part of the feeding cylinder 3, away from the grooving knife 17, has a notch. A feeding baffle 16 is rotatably provided at the lower end of the feeding cylinder 3. The first linkage rod 5 is connected to the feeding baffle 16 in a transmission manner.

[0077] In this embodiment, when fertilizing, the automatic fertilizer applicator is placed in the field, the initial state is that the furrower 17 is supported on the soil surface, the soil return disc 7 is located above the soil surface without contacting the soil surface, sufficient fertilizer is added in the storage cabin 2, and then the automatic fertilizer applicator is moved by a tractor to make the furrower 17 penetrate into the soil and move to realize furrowing, then the overall position of the automatic fertilizer applicator is lowered, the soil return disc 7 is abutted on the soil, the soil makes the soil return disc 7 move upward to be lifted to drive the first linkage rod 5 to move upward, then the first linkage rod 5 drives the discharge baffle 16 to rotate outward to be opened through the transmission belt, so that the lower discharge port of the discharge cylinder 3 is opened, then the fertilizer falls downward into the furrow opened by the furrower 17 to complete fertilizing, and then the soil return disc 7 also moves synchronously to move the soil on both sides of the furrow to the middle to be backfilled to realize automatic furrowing and automatic backfilling.

[0078] After the fertilizing is completed, the automatic fertilizer applicator is separated from the soil, the overall position of the automatic fertilizer applicator is raised, then the soil return disc 7 is also raised, loses the support of the soil, and the soil return disc 7 is lowered to make the discharge baffle 16 be closed again, so that the automatic opening and closing of the fertilizer discharge channel are realized.

[0079] The discharge baffle 16 is rotatably installed at the lower end discharge port of the discharge cylinder 3 through the third rotating shaft rod 15, and the first linkage rod 5 is transmissionally connected with the third rotating shaft rod 15 through the connecting rod assembly, that is, the up-down swing of the first linkage rod 5 can drive the discharge baffle 16 to be opened and closed.

[0080] Embodiment 2

[0081] On the basis of the first specific embodiment, as shown in Figures 1-7

[0082] The connecting rod assembly comprises:

[0083] The first sliding rod 8 is hingedly connected with the lower part of the first linkage rod 5.

[0084] The second rotating shaft rod 11 is rotatably installed on the discharge cylinder 3, and the second rotating shaft rod 11 is located above the third rotating shaft rod 15.

[0085] The first spring 9 is sleeved on the first sliding rod 8.

[0086] The second linkage rod 10 is installed on the second rotating shaft rod 11, the upper end of the first sliding rod 8 penetrates through the hole of the second linkage rod 10, and the diameter of the hole of the second linkage rod 10 is smaller than the diameter of the first spring 9.

[0087] The third linkage rod 12 is fixedly connected with the first end of the second rotating shaft rod 11.​

[0088] a fourth linkage rod 13, a first end of the fourth linkage rod 13 is hinged to a second end of the third linkage rod 12;

[0089] a fifth linkage rod 14, a first end of the fifth linkage rod 14 is hinged to a second end of the fourth linkage rod 13, and a second end of the fifth linkage rod 14 is fixedly connected to the third rotating shaft rod 15.

[0090] In this embodiment, the furrow opener 17 penetrates into the soil and moves to open the furrow, and then the overall position of the automatic fertilizer applicator is lowered, the soil return disc 7 is abutted against the soil, the soil makes the soil return disc 7 move upward to be lifted, the first linkage rod 5 is driven to move upward, the first linkage rod 5 drives the first sliding rod 8 to swing upward, the first sliding rod 8 slides upward in the second linkage rod 10, then the second linkage rod 10 is compressed, and the second linkage rod 10 and the second rotating shaft rod 11 are further driven to rotate upward by the elastic force, then the second rotating shaft rod 11 drives the third linkage rod 12 to rotate, the third linkage rod 12 drives the fourth linkage rod 13 to move, the fourth linkage rod 13 drives the fifth linkage rod 14 to rotate, the fifth linkage rod 14 drives the third rotating shaft rod 15 to rotate, and the third rotating shaft rod 15 drives the discharge baffle 16 to realize automatic opening and closing of the discharge opening at the lower end of the discharge cylinder 3.

[0091] In this embodiment, another implementation can also be used, the first rotating shaft rod 4 is a torsion spring rotating shaft, and the discharge baffle 16 is also fixedly connected to the rotating shaft of the first rotating shaft rod 4, that is, the first linkage rod 5 can directly drive the discharge baffle 16 to open and close through the first rotating shaft rod 4.

[0092] Embodiment 3

[0093] On the basis of the second specific embodiment, as shown in Figures 1-7 the discharge cylinder 3 is further provided with a manual opening and closing assembly, the manual opening and closing assembly comprises:

[0094] a partition plate 19, the partition plate 19 is slidingly arranged on one side wall of the discharge cylinder 3;

[0095] a positioning plate 20, the positioning plate 20 is fixedly connected to the discharge cylinder 3, and a sliding groove is formed in the positioning plate 20;

[0096] a nut 21, the nut 21 is located on the upper side of the positioning plate 20, the positioning plate 20 is located on the upper side of the partition plate 19, and the nut 21 is screwed on a bolt on the partition plate 19, and the bolt penetrates through the sliding groove of the positioning plate 20.

[0097] In this embodiment, when stopping fertilization, the baffle 19 can be pulled out through the nut 21, the baffle 19 slides, and the discharging passage of the discharging cylinder 3 can be closed, and temporary fixation can be achieved by tightening the nut 21.

[0098] Embodiment 4

[0099] Based on the third specific implementation, as shown in Figures 1-10 three discharging ports 24 are opened at the bottom of the storage cabin 2, and a discharging control assembly is further included, which comprises:

[0100] a multi-section auger 22, which is rotatably installed on the storage cabin 2, is located above the discharging ports 24, and the discharging ports 24 are composed of four sections of augers with different spiral directions, the two augers at both ends have opposite spiral directions, and the two augers in the middle have opposite spiral directions.

[0101] A guide cover 23 is installed above each of the three discharging ports 24 in the storage cabin 2 to limit the speed of discharging.

[0102] A plurality of cover caps 25 are further included, and a stirring auger 26 is rotatably arranged in the storage cabin 2.

[0103] In this embodiment, after a plurality of fertilizers are added to the storage cabin 2, the stirring auger 26 rotates to mix the various fertilizers uniformly;

[0104] Then, with the rotation of the multi-section auger 22 and the different directions of the multi-section auger 22 at different positions, the fertilizers are transported to the positions of the discharging ports 24 below the guide covers 23 for discharging, thereby achieving discharging at multiple positions.

[0105] The existence of the guide cover 23 ensures that a large amount of fertilizers will not directly rush and fall, controls the speed of discharging the fertilizers, and makes the discharging speed slow and uniform.

[0106] For different use scenarios, only one or two discharging cylinders 3 may be needed for discharging, and at this time, the left or right or the two augers in the middle can be covered by using the cover cap 25, so as to achieve the effect of intercepting the discharging of one or two discharging cylinders 3, thereby improving the adaptability of the fertilizer applicator.

[0107] Embodiment 5

[0108] Based on the fourth specific implementation, as shown in Figures 1-13 the earth leveling assembly comprises:

[0109] a first mounting seat 27, two first mounting seats 27 are provided, and the two first mounting seats 27 are installed on the total mounting frame 1.

[0110] First ring 28, each of the first mounting seat 27 is provided with a rotating first ring 28;

[0111] Second slide rod 29, each of the first ring 28 is provided with a second slide rod 29;

[0112] Second spring 30, the inner ring diameter of the first ring 28 is less than the diameter of the second spring 30, and each of the outer surface of the second slide rod 29 is provided with a second spring 30 on the upper side and the lower side;

[0113] Flat plate 31, the flat plate 31 is hinged to the bottom of the two second slide rods 29;

[0114] Sixth linkage rod 32, the sixth linkage rod 32 is provided with two, the first end of the two sixth linkage rods 32 is symmetrically hinged to one side of the flat plate 31, and the second end of the two sixth linkage rods 32 is hinged to the total mounting frame 1.

[0115] After the soil is filled back by the soil filling disc 7, the soil is not flat enough at this time, then the flat plate 31 will pass through, and the soil will be smoothed, so as to realize the effect of flat soil;

[0116] The flat plate 31 will realize the adjustment of its angle and height through the rotation of the second slide rod 29 and the sixth linkage rod 32, so as to adapt to the soil surface of different heights.

[0117] Example 6

[0118] Based on the fifth specific embodiment, as shown in the figure, it further comprises: Figures 1-15

[0119] Second mounting seat 33, the second mounting seat 33 is provided with two, and the two second mounting seats 33 are installed on the total mounting frame 1;

[0120] Wheel frame 34, the wheel frame 34 is provided with two, and each of the wheel frames 34 is rotatably installed on one of the second mounting seats 33;

[0121] Wheel shaft 35, the wheel shaft 35 is rotatably installed on the two wheel frames 34;

[0122] Each of the moving wheels 36 is rotatably installed on the lower part of one of the wheel frames 34, and the rotation shafts of the two moving wheels 36 are fixedly connected to the wheel shaft 35;

[0123] Third mounting seat 37, each of the second mounting seats 33 is provided with a third mounting seat 37;

[0124] Second ring 38, each of the upper parts of the third mounting seats 37 is provided with a rotating second ring 38;​

[0125] A third slide rod 39 is slidably arranged in each of the second collars 38;

[0126] A positioning nut 40 is arranged on the outer surface of the third slide rod 39, and the positioning nut 40 is screwed on the third slide rod 39, and the positioning nut 40 is arranged on the upper side of the second collar 38;

[0127] A connecting rod 41 is rotatably arranged on each of the wheel frames 34, and the lower part of the third slide rod 39 penetrates the connecting rod 41, and the lower end of the third slide rod 39 is provided with a chuck;

[0128] A standing platform 42 is arranged on the total mounting frame 1, and the standing platform 42 is arranged away from the furrower 17.

[0129] In the embodiment, the user can stick to the standing platform 42 to observe the fertilizer in the storage cabin 2, and the user can supplement the fertilizer in real time.

[0130] If the height of the moving wheel 36 needs to be adjusted, the positioning nut 40 is rotated, and then the third slide rod 39 is driven upward by the rotation of the positioning nut 40, and the third slide rod 39 drives the wheel frame 34 to move upward through the connecting rod 41, and then the wheel frame 34 drives the moving wheel 36 to realize the lifting and lowering.

[0131] In the embodiment, the wheel shaft rod 35, the multi-section auger 22 and the rotating shaft rod of the stirring auger 26 can be synchronously driven through a transmission device.

[0132] The application can be applied to various fertilizers, such as granular fertilizer, surface fertilizer, organic fertilizer and farm manure.

[0133] The above is only a preferred embodiment of the application, and is not used to limit the application, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. An automatic fertilizer applicator, comprising a total mounting frame (1) on which a storage cabin (2) is mounted, a plurality of furrowers (17) are mounted on the bottom of one side of the total mounting frame (1), each of the furrowers (17) is mounted on the total mounting frame (1) through a second connecting rod (18), a plurality of moving wheels (36) are mounted on the bottom of the other side of the total mounting frame (1), a plurality of discharge ports (24) are formed in the bottom of the storage cabin (2), and a discharge cylinder (3) is mounted on the bottom of the lower side of the storage cabin (2) corresponding to each of the discharge ports (24). characterized in that Further comprising a soil returning mechanism, one soil returning mechanism is mounted on each of the discharge cylinders (3), and the soil returning mechanism comprises: a first rotating shaft rod (4) rotatably mounted on the discharge cylinder (3); a first linkage rod (5) having an upper end mounted on the first rotating shaft rod (4); a first connecting rod (6) fixedly connected to the lower end of the first linkage rod (5); a soil returning disc (7) mounted on each end of the first connecting rod (6); a notch formed in the lower part of the side of the discharge cylinder (3) away from the furrower (17), a discharge baffle (16) rotatably arranged at the lower end discharge port of the discharge cylinder (3), and the first linkage rod (5) is in transmission connection with the discharge baffle (16).

2. An automated fertilizer applicator as claimed in claim 1, wherein, The discharge baffle (16) is rotatably mounted at the lower end discharge port of the discharge cylinder (3) through a third rotating shaft rod (15), and the first linkage rod (5) is in transmission connection with the third rotating shaft rod (15) through a linkage assembly.

3. An automated fertilizer applicator as claimed in claim 2, wherein, The linkage assembly comprises: a first sliding rod (8) having a first section hingedly connected to the lower part of the first linkage rod (5); a second rotating shaft rod (11) rotatably mounted on the discharge cylinder (3) and located above the third rotating shaft rod (15); a first spring (9) sleeved on the first sliding rod (8); a second linkage rod (10) mounted on the second rotating shaft rod (11), the upper end of the first sliding rod (8) penetrating through the hole of the second linkage rod (10), and the diameter of the hole of the second linkage rod (10) is smaller than the diameter of the first spring (9); a third linkage rod (12) having a first end fixedly connected to the second rotating shaft rod (11); a fourth linkage rod (13) having a first end hingedly connected to the second end of the third linkage rod (12); a fifth linkage rod (14) having a first end hingedly connected to the second end of the fourth linkage rod (13) and a second end fixedly connected to the third rotating shaft rod (15).

4. The automated fertilizer applicator of claim 1, wherein, The first rotating shaft rod (4) is a torsion spring rotating shaft, and the discharge baffle (16) is also fixedly connected to the rotating shaft of the first rotating shaft rod (4).

5. An automated fertilizer applicator as claimed in claim 3, wherein, The lower blanking cylinder (3) is further provided with a manual opening and closing assembly, which comprises: A partition plate (19) is slidably arranged on one side wall of the lower blanking cylinder (3); A positioning plate (20) is fixedly connected to the lower blanking cylinder (3), and a sliding groove is formed in the positioning plate (20); A nut (21) is located on the upper side of the positioning plate (20), the positioning plate (20) is located on the upper side of the partition plate (19), and the nut (21) is screwed on a bolt on the partition plate (19), and the bolt penetrates the sliding groove of the positioning plate (20).

6. An automated fertilizer applicator as claimed in claim 5, wherein, The bottom of the storage cabin (2) is provided with three discharge ports (24), and further comprises a discharge control assembly, which comprises: A multi-section auger (22) is rotatably installed on the storage cabin (2), and the multi-section auger (22) is located above the discharge port (24). The discharge port (24) is composed of four augers with different spiral directions. The spiral directions of the two augers at both ends are opposite, and the spiral directions of the two augers in the middle are opposite.

7. An automated fertilizer applicator as claimed in claim 6, wherein, A material guide cover (23) is installed above each of the three discharge ports (24) in the storage cabin (2) to limit the speed of discharging.

8. An automated fertilizer applicator as claimed in claim 7, wherein, Further comprising a plurality of cover hoods (25), a stirring auger (26) is rotatably arranged in the storage cabin (2).

9. An automated fertilizer applicator as claimed in claim 7, wherein, Further comprising a soil leveling assembly, which comprises: A first mounting seat (27) is provided with two first mounting seats (27), and the two first mounting seats (27) are installed on the total mounting frame (1); A first sleeve ring (28) is rotatably arranged on each first mounting seat (27); A second sliding rod (29) is slidably arranged in each first sleeve ring (28); The inner ring diameter of the first sleeve ring (28) is smaller than the diameter of the second spring (30), and each second sliding rod (29) is provided with a second spring (30) on the outer surface of the upper side and the lower side; A soil leveling plate (31) is hingedly connected to the bottom of the two second sliding rods (29); A sixth linkage rod (32) is provided with two sixth linkage rods (32), and the first ends of the two sixth linkage rods (32) are symmetrically hingedly connected to one side of the soil leveling plate (31). The second ends of the two sixth linkage rods (32) are hingedly connected to the total mounting frame (1).

10. An automated fertilizer applicator as claimed in claim 9, wherein, Further comprising: A second mounting seat (33) is provided with two second mounting seats (33), and the two second mounting seats (33) are installed on the total mounting frame (1); A wheel frame (34) is provided with two wheel frames (34), and each wheel frame (34) is rotatably installed on a second mounting seat (33); A wheel shaft rod (35) is rotatably installed on the two wheel frames (34). Each of the mobile wheels (36) is rotatably installed on the lower part of one of the wheel frames (34), and the rotation shafts of the two mobile wheels (36) are fixedly connected to the wheel shaft rod (35); Each of the second mounting seats (33) is provided with one of the third mounting seats (37); Each of the upper parts of the third mounting seats (37) is rotatably provided with one of the second collars (38); Each of the second collars (38) is slidably provided with one of the third sliding rods (39); The outer surface of each of the third sliding rods (39) is provided with threads, and each of the third sliding rods (39) is rotatably provided with one of the positioning nuts (40), which is located on the upper side of the second collar (38); Each of the wheel frames (34) is rotatably provided with one of the connecting rods (41), and the lower part of each of the third sliding rods (39) penetrates the connecting rod (41), and the lower end of the third sliding rod (39) is provided with a chuck; The standing platform (42) is installed on the side of the total mounting frame (1) away from the furrower (17).

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