CN213187156U

CN213187156U - Multifunctional full-film seeder

Info

Publication number: CN213187156U
Application number: CN202021187510.1U
Authority: CN
Inventors: 石龙
Original assignee: Shaanxi Baolongfeng Machinery Research And Development Co ltd
Current assignee: Shaanxi Baolongfeng Machinery Research And Development Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-05-14
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a multifunctional full-film seeder, which comprises a frame, a furrow opener, a vibration pressing device, a fertilizing device, a pesticide spraying device, a film covering device, an earthing device, a film cutting device, a film pressing wheel, a seeder and a press wheel, wherein the front end surface of the frame is provided with a traction connecting lug, the front end of a first cross beam is provided with the furrow opener, the rear part of the furrow opener is provided with the earthing device, the lower part of the earthing device is connected with the first cross beam, the rear part of the earthing device is provided with the vibration pressing device, and the vibration pressing device is fixed on the first cross beam through a spiral lifter; a pesticide spraying device is arranged behind the vibrating and pressing device, and a film coating device is arranged behind the pesticide spraying device; the rear of the film laminating device is provided with a film pressing wheel, the rear of the film pressing wheel is provided with a seeder, and the rear of the seeder is provided with a press wheel. The utility model discloses multiple functional, reasonable in design, collect ditching, fertilization, earthing, suppression, laxative, tectorial membrane, press mold, seeding and lay multiple functions in agricultural supporting machinery of comprehensive of an organic whole such as drip irrigation zone.

Description

Multifunctional full-film seeder

Technical Field

The utility model belongs to the technical field of seeding machinery, concretely relates to multi-functional full membrane seeder.

Background

At present, current seeder kind is more, but all sow bare land, can fertilize simultaneously, the earthing, the laxative, the tectorial membrane, seeding and lay drip irrigation zone machinery but is few, it is also imperfect, if fertilize far away from the seed position, influence the fertilizer and absorb, and all sow earlier the back tectorial membrane, earthing on the seeding belt behind the tectorial membrane, and require soil property to keep loose not the board, the plant of kind just can rupture of membranes and emerge, and some films are breakable, be not convenient for retrieve, cause destruction, the pollution to the soil environment in the ground easily, it needs to drop into a large amount of manpowers to retrieve. For example, the Chinese patent application No. 20096246957.2 is a suspended deep fertilizing and seeding machine, which is additionally provided with a fertilizing furrower with adjustable depth in front of a traditional single seeding machine, during fertilizing, a tractor drives the seeding machine, land wheels on the left side and the right side of the seeding machine rotate to drive a fertilizer applicator, fertilizer in the fertilizer applicator is discharged into the ground through the fertilizer applicator through the fertilizing furrower, and a seeding single body at the rear part of the seeding machine completes fertilizing and seeding work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and providing a multifunctional full-film seeder which has novel structure, strong practicability, movable operation and convenient use.

The technical scheme for realizing the aim is as follows: a multifunctional full-film seeder comprises a rack, a furrow opener, a vibration device, a fertilizing device, a pesticide spraying device, a film covering device, an earthing device, a film cutting device, a film pressing wheel, a seeder and a press wheel, wherein the rack is formed by combining a first cross beam, a second cross beam and a third cross beam; a pesticide spraying device is arranged behind the vibrating and pressing device, and a film coating device is arranged behind the pesticide spraying device; a film pressing wheel is arranged behind the film laminating device, a seeder is arranged behind the film pressing wheel, and a press wheel is arranged behind the seeder; the middle part of the soil covering device is connected with the second cross beam, so that the soil covering device is fixed on the first cross beam and the second cross beam and is obliquely arranged; a soil separating device is connected below one obliquely upward end of the soil covering device; a gearbox is arranged above the second cross beam, and an input shaft is arranged at the front end of the gearbox and connected with an output shaft of the traction machine so as to obtain power; a first output shaft is arranged on the left side of the gearbox and is connected with the soil covering device through a chain wheel to provide driving force for the soil covering device; a second output shaft of the gearbox is connected with the soil separating device through a chain wheel to provide driving force for the soil separating device; the top of third crossbeam is equipped with fertilizer injection unit, and fertilizer injection unit is connected with the furrow opener through the pipe that fertilizies, and the furrow opener includes ditching sword and earthing dish, and fertilizer injection unit is connected with the pressure device that shakes through the sprocket, follows and shakes and press and acquire power on the device. Furthermore, a drip tape laying device is further arranged above the third cross beam and comprises a receiving turntable, a receiving turntable support and a drip tape laying support, two sides of the receiving turntable are fixed on the third cross beam through the receiving turntable support, and a drip tape is wound on the receiving turntable support in a rotating mode; the lower part of the drip irrigation tape penetrates through the drip irrigation tape laying support to extend into the lower part of the film laminating device to be laid along with the film laminating device; the mulching device comprises a mulching support, a mulching film support shaft and a mulching film rolling shaft, the mulching film is fixed below the first cross beam through the mulching film support shaft and the mulching film support, and the mulching film is laid on the ground through the mulching film rolling shaft at the lower end of the mulching film support; a film cutting device is also arranged behind the film covering device; the soil dividing device comprises a soil dividing roller and a spiral soil dividing device, and the spiral soil dividing device consists of a spiral rod and spiral blades; the spiral soil divider is arranged in the soil dividing roller and fixed at the upper part of the first cross beam, the upper part of the spiral soil divider is provided with a soil taking and receiving port for receiving soil falling from the soil covering diversion trench, the spiral blade spirals from the middle part to two sides, and the spiral rod is connected with the second output shaft through a chain wheel to obtain driving force to convey the soil in the soil dividing roller to two sides respectively; the lower part of the soil separating roller is provided with a soil separating drainage pipe which guides soil conveyed to two sides by the soil separating roller to fall to the surface of the mulching film for covering operation; the vibration pressing device comprises a vibration pressing roller, a movable vibration pressing block, soil-binding anti-skidding wheels and a vibration pressing roller shaft, the vibration pressing roller shaft is fixed on the first cross beam through a spiral lifter, the movable vibration pressing block is arranged in the middle of the vibration pressing roller, and the soil-binding anti-skidding wheels are respectively arranged on two sides of the vibration pressing roller; the pesticide spraying device comprises a pesticide spraying pump, a pesticide box, a liquid guide pipe and a pesticide spraying pipe, and the pesticide spraying pump and the pesticide box are arranged on the third cross beam and are connected with the pesticide spraying pipe through the liquid guide pipe.

Furthermore, a soil protection protective cover is integrally wrapped outside the soil covering device, so that on one hand, soil covering raise dust is prevented, and on the other hand, soil covering is enabled to be poured intensively; the soil-dividing drainage tube is at least provided with two groups; a pesticide spraying pipe is arranged in front of the drip irrigation tape laying support, and a spraying head is arranged on the pesticide spraying pipe; the soil covering disc, the movable vibration block, the spray header, the soil separating and drainage guide pipe, the film pressing wheel, the seeder and the press wheel can be movably adjusted and kept on the same straight line.

Furthermore, the number of the soil covering disc, the movable vibration block, the spray header, the soil separating and drainage guide pipe, the film pressing wheel, the seeder and the press wheel is kept consistent, and at least two groups are arranged.

Further, the film cutting device comprises a cutter and an electric push rod, the cutter is vertically fixed below the first cross beam through the electric push rod, and the electric push rod is connected with a generator of the traction machine through a wire to obtain electric energy.

Furthermore, the cutter of the film cutting device is wider than the mulching film, and a film supporting fork is arranged in front of the cutter and used for supporting the mulching film after the cutter cuts the mulching film.

Furthermore, at least two film supporting forks are arranged.

Furthermore, the fertilizing device is connected with the furrow opener through a fertilizing pipe; and then the fertilizer is conveyed to the rear part of the furrow opener through a fertilizing pipe and buried in the soil.

Furthermore, the soil covering disc, the movable vibration block, the spray header, the soil separating and drainage guide pipe, the film pressing wheel, the seeder and the press wheel are provided with two or three groups.

Furthermore, a drainage conduit cover is arranged on the soil-dividing drainage conduit and used for selectively plugging the soil-dividing drainage conduit so as to control the number of seeding rows.

The utility model has the advantages of complete functions, reasonable design, novel style, convenient operation and obvious use benefit, and integrates the functions of ditching, fertilizing, earthing, suppressing, pesticide spraying, film covering, film pressing, seeding, drip irrigation belt laying and the like; the utility model has the advantages that:

1. the labor is saved, the operation of 3 mu can be finished by only 1-2 persons/hour originally in 10-13 persons/mu hour, and the working efficiency is greatly improved.

2. The operation quality is improved, the seeding position is accurate, and the waste of seeds in the seeding process is avoided.

3. Seeding, fertilization, suppression are all adjustable, are applicable to different plots, different soil moisture content, and the peasant can set up mechanical combination collocation according to seeding wheat, rice, maize or crop, and then the convenient operation of planting that carries on.

4. The fertilizer applicator can uniformly stir and bury fertilizers on two sides of seeds to store energy for the growth of plants.

5. The pesticide spraying operation can be carried out while seeding, thereby avoiding manual pesticide application poisoning and greatly enhancing the safety.

6. The film pressing and cutting machine can automatically realize the laying and cutting separation of the film, and the labor efficiency is improved.

To sum up, the utility model has obvious benefits, can complete functions of fertilization, ditching, film covering, soil pressing, pipe laying and seeding at one time, is a matched machine of furrow planting, wide and narrow ridges, full film covering and high-yield planting technology which is popularized in China, firstly applies fertilizer under seeds when seeding, improves the utilization rate of the fertilizer, is beneficial to the absorption of plants to the fertilizer, especially phosphate fertilizer, and can fully meet the growth requirements of plant seedlings mainly in the seedling stage, the machine firstly covers the film before seeding, then drills and seeds, covers soil and presses, thus being beneficial to the drilling of the plant seedlings from the seeding holes, does not need manual seeding guiding, saves labor and labor, has low requirements on mulching films, meets rainfall, can be particularly suitable for the seeding in semiarid regions with much wind and sand, and the covering film is not easy to break, the soil conditioner is convenient to recover, is not easy to damage and pollute the soil environment in the ground, does not need to invest a large amount of manpower, and is simple in structure, convenient to use, easy to adjust and maintain and suitable for wide popularization.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic view of the local enlarged structure of the present invention.

Fig. 4 is a schematic structural view of the vibration pressing device of the present invention.

Fig. 5 is a schematic structural view of the soil separating device of the present invention.

Fig. 6 is a schematic view of a local structure of the soil separating device of the present invention.

Fig. 7 is a schematic structural view of the spiral soil separator of the present invention.

Fig. 8 is a schematic structural view of the film cutting device of the present invention.

In the figure: 1. the machine frame 101, the first beam 102, the second beam 103, the third beam 104, the traction connecting lug 2, the furrow opener 201, the furrow opener 202, the soil covering disc 3, the vibration pressing device 301, the vibration pressing roller 302, the movable vibration pressing block 303, the soil binding antiskid wheel 304, the vibration pressing roller shaft 305, the spiral lifter 4, the fertilizing device 401, the fertilizing pipe 5, the pesticide spraying device 501, the pesticide spraying pump 502, the pesticide box 503, the liquid guiding pipe 504, the pesticide spraying pipe 505, the spraying head 6, the film covering device 601, the film covering bracket 602, the mulching film 603, the film covering fulcrum shaft 604, the film covering roller 7, the soil covering device 701, the soil feeding roller 702, the soil covering conveying belt 703, the soil covering supporting bracket 704, the tensioner 705, the soil taking box 706, the soil covering flow guiding groove 707, the soil protecting cover 8, the film cutting device 801, the cutter 802, the electric push rod 803, the film supporting fork 9, the film pressing wheel 10, the seeder 11, the pressing wheel 12 The device 1201, the soil separating roller 1202, the spiral soil separator 1203, the soil taking receiving opening 1204, the spiral rod 1205, the spiral blade 1206, the soil separating and drainage guide pipe 1207, the drainage guide pipe cover 13, the gear box 1301, the input shaft 1302, the first output shaft 1303, the second output shaft 14, the chain wheel 15, the drip tape laying device 1501, the storage turntable 1502, the storage turntable support 1503 and the drip tape laying support.

Detailed Description

In order to facilitate understanding of those skilled in the art, the embodiments of the present invention will be further described with reference to the accompanying drawings.

The multifunctional full-film seeder as shown in the attached figures 1-8 comprises a frame 1, a furrow opener 2, a vibration device 3, a fertilizing device 4, a pesticide spraying device 5, a film covering device 6, a soil covering device 7, a film pressing wheel 9, a seeder 10 and a press wheel 11, wherein the frame 1 is formed by combining a first cross beam 101, a second cross beam 102 and a third cross beam 103, a traction connecting lug 104 is arranged on the front end surface of the frame 1, the furrow opener 2 is arranged at the front end of the first cross beam 101, the soil covering device 7 is arranged behind the furrow opener 2, the lower part of the soil covering device 7 is connected with the first cross beam 101, the vibration device 3 is arranged behind the soil covering device 7, the vibration device 3 moves along with the advancing of a traction machine, and the vibration device 3 is fixed on the first cross beam 101 through a spiral lifter 305; a pesticide spraying device 5 is arranged behind the vibrating device 3, and a film coating device 6 is arranged behind the pesticide spraying device 5; a film pressing wheel 9 is arranged behind the film laminating device 6, a seeder 10 is arranged behind the film pressing wheel 9, and a press wheel 11 is arranged behind the seeder 10; the middle part of the soil covering device 7 is connected with the second beam 102, so that the soil covering device 7 is fixed on the first beam 101 and the second beam 102 and is obliquely arranged; a soil separating device 12 is connected below one obliquely upward end of the soil covering device 7; a gearbox 13 is arranged above the second cross beam 102, and an input shaft 1301 is arranged at the front end of the gearbox 13 and connected with an output shaft of the traction machine so as to obtain power; a first output shaft 1302 is arranged on the left side of the gearbox 13 and is connected with the soil covering device 7 through a chain wheel 14 to provide driving force for the soil covering device 7; the second output shaft 1303 of the gear box 13 is connected with the soil separating device 12 through a chain wheel 14 to provide driving force for the soil separating device 12; the top of third crossbeam 103 is equipped with fertilizer injection unit 4, and fertilizer injection unit 4 is connected with furrow opener 2 through fertilizer pipe 401, and furrow opener 2 includes ditching sword 201 and earthing dish 202, and fertilizer injection unit 4 is connected with the pressure device 3 that shakes through sprocket 14, acquires power from the pressure device 3 that shakes.

A drip tape laying device 15 is further arranged above the third cross beam 103, the drip tape laying device 15 comprises a receiving turntable 1501, a receiving turntable support 1502 and a drip tape laying support 1503, two sides of the receiving turntable 1501 are fixed on the third cross beam 103 through the receiving turntable support 1502, and the drip tape is wound on the receiving turntable support 1502 in a rotating mode; the lower part of the drip irrigation tape penetrates through a drip irrigation tape laying bracket 1503 to extend into the lower part of the film covering device 6 to be laid along with the film covering device 6; the mulching device 6 comprises a mulching support 601, a mulching film 602, a mulching film support shaft 603 and a mulching film rolling shaft 604, wherein the mulching film 602 is fixed below the first cross beam 101 through the mulching film support shaft 603 and the mulching film support 601, and the mulching film 602 is laid on the ground through the mulching film rolling shaft 604 at the lower end of the mulching film support 601; a film cutting device 8 is further arranged behind the film covering device 6, the film cutting device 8 comprises a cutter 801 and an electric push rod 802, the cutter 801 is vertically fixed below the first cross beam 101 through the electric push rod 802, and the electric push rod 802 is connected with a generator of a traction machine through a lead to obtain electric energy; the cutting knife 801 of the film cutting device 8 is wider than the mulching film 602, the film supporting forks 803 are arranged in front of the cutting knife 801, and at least two film supporting forks 803 are arranged for supporting the mulching film 602 after the mulching film 602 is cut off by the cutting knife 801; the soil covering device 7 comprises towing rollers 701, a soil feeding conveyer belt 702, a soil covering support frame 703, a tensioner 704 and a bearing seat, the soil covering support frame 703 is obliquely arranged on the first cross beam 101 and the second cross beam 102, the towing rollers 701 are respectively fixedly arranged at two ends of the soil covering support frame 703 through the bearing seat and the tensioner 704, the two towing rollers 701 are wrapped and connected through the soil feeding conveyer belt 702, the towing rollers 701 at one side are connected with a first output shaft 1302 through chain wheels 14, soil taking boxes 705 are uniformly distributed on the soil feeding conveyer belt 702, a soil covering diversion trench 706 is arranged at the lower part of the upper end of the soil covering support frame 703, the soil taken from the soil taking boxes 705 is guided into the soil separating device 12 through the soil covering diversion trench 706, the soil separating device 12 comprises a soil separating roller 1201 and a spiral soil separating device 1202, and the spiral soil separating device 1202 consists of spiral rods 1204 and spiral leaves 1205; the spiral soil divider 1202 is arranged in the soil dividing roller 1201, the spiral soil divider 1202 is fixed on the upper portion of the first cross beam 101, the upper portion of the spiral soil divider 1202 is provided with a soil taking receiving opening 1203 for receiving soil falling from the soil covering diversion trench 706, the spiral blades 1205 spiral from the middle portion to two sides, the spiral rod 1204 is connected with the second output shaft 1303 through the chain wheel 14, and the driving force is obtained to convey the soil in the soil dividing roller 1201 to two sides respectively; a soil separation drainage pipe 1206 is arranged at the lower part of the soil separation roller 1201 to guide soil conveyed to two sides by the soil separation roller 1201 to fall to the surface of the mulching film 602 for covering operation; the vibration pressing device 3 comprises a vibration pressing roller 301, a movable vibration pressing block 302, a soil-pricking anti-skid wheel 303 and a vibration pressing roller shaft 304, the vibration pressing roller shaft 304 is fixed on the first cross beam 101 through a spiral lifter 305, the movable vibration pressing block 302 is arranged in the middle of the vibration pressing roller 301, and the soil-pricking anti-skid wheel 303 is arranged on two sides of the vibration pressing roller 301; the pesticide spraying device 5 comprises a pesticide spraying pump 501, a pesticide box 502, a liquid guide pipe 503 and a pesticide spraying pipe 504, wherein the pesticide spraying pump 501 and the pesticide box 502 are arranged on the third cross beam 103 and are connected with the pesticide spraying pipe 504 through the liquid guide pipe 503.

A soil protection shield 707 is integrally wrapped outside the soil covering device 7, so that soil covering raise dust is prevented, and soil covering is centralized to dump; at least two groups of soil-dividing drainage pipes 1206 are arranged; a pesticide spraying pipe 504 is arranged in front of the drip irrigation tape laying support 1503, and a spraying head 505 is arranged on the pesticide spraying pipe 504; the soil covering disc 202, the movable vibration block 302, the spray header 505, the soil separating and drainage guide pipe 1206, the film pressing wheel 9, the seeder 10 and the press wheel 11 can be movably adjusted and kept on the same straight line; the number of the soil covering disc 202, the movable vibration block 302, the spray header 505, the soil separating and guiding pipe 1206, the film pressing wheel 9, the seeder 10 and the press wheel 11 is kept consistent, and at least two groups are arranged. Preferably, the soil covering disc 202, the movable vibration block 302, the spray header 505, the soil separating and drainage guide pipe 1206, the film pressing wheel 9, the seeder 10 and the press wheel 11 are provided with two groups for planting crops such as corn, sunflower and the like or three groups for planting crops such as wheat, rice, peanut and the like; the soil-dividing drainage catheter 1206 is provided with a drainage catheter cover 1207 for selectively plugging the soil-dividing drainage catheter 1206 so as to control the number of seeding rows.

When the device is used, a worker can determine the number of actual sowing rows according to the type of planted crops, the device is connected with a traction machine, an output shaft of the traction machine is connected with an input shaft of the gearbox 13 to transmit power, the first output shaft 1302 provides power for the soil covering device 7, and the second output shaft 1303 provides power for the soil separating device 12; the vibration pressing device provides power for the fertilizing device 4 through a chain wheel; under the driving action of a traction machine, a ditching cutter 201 on a ditcher 2 digs soil, a fertilizer applying device 4 conveys fertilizer into the soil through a fertilizer applying pipe 401, then the soil is discharged to two sides through a soil covering disc 202, the soil is vibrated and pressed by a vibration pressing roller of a vibration pressing device 3 to form a concave ditch in a row, the discharged soil is stacked to separate the concave ditch, and the soil stacked in the middle is conveyed to a soil separating device 12 through a soil feeding conveying belt 702 on a soil covering device 7; the vibrated and pressed row-divided concave ditches can be covered with a film through the film covering device 6, and meanwhile, the film pressing wheel 9 is vibrated and pressed after the film covering device 6, so that the soil dividing device 12 can conveniently guide out soil through the soil dividing drainage pipe 1206 to cover the soil, the row-divided concave ditches form culture grooves, and then normal planting operation is carried out through the seeder 10; after the single planting operation is finished, the mulching film 602 can be cut off by the cutter 801 on the film cutting device 8, and the end of the residual mulching film 602 is forked by the film supporting fork 803, so that the mulching film is convenient to store; further, the drip tape is laid through the drip tape laying support 1503 before the mulching film 602 is laid by the mulching film laminating device 6, and then wrapped by the mulching film 602, so that sufficient moisture supplement is provided for the growth of crops.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby; all the simple equivalent changes and modifications made according to the claims and the contents of the creation specification of the present invention should still fall within the scope covered by the present invention.

Claims

1. A multifunctional full-film seeder comprises a rack (1), a furrow opener (2), a vibration pressing device (3), a fertilizing device (4), a pesticide spraying device (5), a film covering device (6), an earthing device (7), a film cutting device (8), a film pressing wheel (9), a seeder (10) and a press wheel (11), wherein the rack (1) is formed by combining a first cross beam (101), a second cross beam (102) and a third cross beam (103), a traction connecting lug (104) is arranged on the front end face of the rack (1), and the multifunctional full-film seeder is characterized in that the furrow opener (2) is arranged at the front end of the first cross beam (101), the earthing device (7) is arranged at the rear part of the furrow opener (2), the lower part of the earthing device (7) is connected with the first cross beam (101), the vibration pressing device (3) is arranged at the rear part of the earthing device (7), and the vibration pressing device (3) moves along with the advancing of a traction machine, the vibration pressing device (3) is fixed on the first cross beam (101) through a spiral lifter (305); a pesticide spraying device (5) is arranged behind the vibrating device (3), and a film coating device (6) is arranged behind the pesticide spraying device (5); a film pressing wheel (9) is arranged behind the film laminating device (6), a seeder (10) is arranged behind the film pressing wheel (9), and a press wheel (11) is arranged behind the seeder (10); the middle part of the soil covering device (7) is connected with the second cross beam (102), so that the soil covering device (7) is fixed on the first cross beam (101) and the second cross beam (102) and is obliquely arranged; a soil separating device (12) is connected below one obliquely upward end of the soil covering device (7); a gearbox (13) is arranged above the second cross beam (102), and the front end of the gearbox (13) is provided with an input shaft (1301) which is connected with an output shaft of the traction machine so as to obtain power; a first output shaft (1302) is arranged on the left side of the gearbox (13) and is connected with the soil covering device (7) through a chain wheel (14) to provide driving force for the soil covering device (7); a second output shaft (1303) of the gearbox (13) is connected with the soil separating device (12) through a chain wheel (14) to provide driving force for the soil separating device (12); the top of third crossbeam (103) is equipped with fertilizer injection unit (4), and fertilizer injection unit (4) are connected with furrow opener (2) through fertilization pipe (401), and furrow opener (2) are including ditching sword (201) and earthing dish (202), and fertilizer injection unit (4) are connected with pressure device (3) that shakes through sprocket (14), follow and shake and press device (3) and obtain power.

2. The multifunctional full-film seeder according to claim 1, wherein a drip tape laying device (15) is further arranged above the third beam (103), the drip tape laying device (15) comprises a receiving turntable (1501), a receiving turntable bracket (1502) and a drip tape laying bracket (1503), two sides of the receiving turntable (1501) are fixed on the third beam (103) through the receiving turntable bracket (1502), and drip tapes are wound on the receiving turntable bracket (1502) in a spiral manner; the lower part of the drip irrigation tape penetrates through a drip irrigation tape laying bracket (1503) to extend into the lower part of the film covering device (6) to be laid along with the film covering device (6); the mulching device (6) comprises a mulching support (601), a mulching film (602), a mulching film support shaft (603) and a mulching film rolling shaft (604), the mulching film (602) is fixed below the first cross beam (101) through the mulching film support shaft (603) and the mulching film support (601), and the mulching film (602) is laid on the ground through the mulching film rolling shaft (604) at the lower end of the mulching film support (601); a film cutting device (8) is also arranged behind the film covering device (6); the soil covering device (7) comprises towing rollers (701), a soil feeding conveying belt (702), a soil covering supporting frame (703), a tensioner (704) and a bearing seat, the soil covering supporting frame (703) is obliquely arranged on a first cross beam (101) and a second cross beam (102), the towing rollers (701) are respectively and fixedly arranged at two ends of the soil covering supporting frame (703) through the bearing seat and the tensioner (704), the two towing rollers (701) are wrapped and connected through the soil feeding conveying belt (702), the towing rollers (701) at one side are connected with a first output shaft (1302) through a chain wheel (14), soil taking boxes (705) are uniformly distributed on the soil feeding conveying belt (702), a soil covering diversion groove (706) is arranged at the lower part of the upper end of the soil covering supporting frame (703), soil taken from the soil taking boxes (705) is guided into the soil dividing device (12) through the soil covering diversion groove (706), and the soil dividing device (12) comprises a soil dividing roller (1201) and a spiral soil divider (1202), the spiral soil divider (1202) consists of a spiral rod (1204) and spiral blades (1205); the spiral soil divider (1202) is arranged in the soil dividing roller (1201), the spiral soil divider (1202) is fixed on the upper portion of the first cross beam (101), a soil taking receiving opening (1203) is formed in the upper portion of the spiral soil divider (1202) and used for receiving soil falling from the soil covering guide groove (706), the spiral blades (1205) spiral from the middle portion to two sides, the spiral rod (1204) is connected with the second output shaft (1303) through a chain wheel (14), and driving force is obtained to convey the soil in the soil dividing roller (1201) to two sides respectively; a soil separation drainage pipe (1206) is arranged at the lower part of the soil separation roller (1201) to guide soil conveyed to two sides by the soil separation roller (1201) to fall to the surface of the mulching film (602) for covering operation; the vibration pressing device (3) comprises a vibration pressing roller (301), a movable vibration pressing block (302), a soil-pricking antiskid wheel (303) and a vibration pressing roller shaft (304), the vibration pressing roller shaft (304) is fixed on the first cross beam (101) through a spiral lifter (305), the movable vibration pressing block (302) is arranged in the middle of the vibration pressing roller (301), and the soil-pricking antiskid wheels (303) are respectively arranged on two sides of the vibration pressing roller (301); the pesticide spraying device (5) comprises a pesticide spraying pump (501), a pesticide box (502), a liquid guide pipe (503) and a pesticide spraying pipe (504), wherein the pesticide spraying pump (501) and the pesticide box (502) are arranged on the third cross beam (103) and are connected with the pesticide spraying pipe (504) through the liquid guide pipe (503).

3. The multifunctional full-film seeder of claim 2, wherein the soil covering device (7) is externally and integrally wrapped with a soil protection shield (707) to prevent soil covering dust and to ensure soil covering to be intensively dumped; at least two groups of soil-dividing drainage pipes (1206) are arranged; a pesticide spraying pipe (504) is arranged in front of the drip irrigation tape laying support (1503), and a spraying head (505) is arranged on the pesticide spraying pipe (504); the soil covering disc (202), the movable vibration block (302), the spray header (505), the soil separating and drainage guide pipe (1206), the film pressing wheel (9), the seeder (10) and the press wheel (11) can be movably adjusted and kept on the same straight line.

4. The multifunctional full-film seeder according to claim 3, wherein the number of the soil covering disk (202), the movable vibrating block (302), the spray header (505), the soil separating and guiding pipe (1206), the film pressing wheel (9), the seeder (10) and the press wheel (11) is kept consistent, and at least two groups are provided.

5. The multifunctional full-film seeder according to claim 2, wherein the film cutting device (8) comprises a cutter (801) and an electric push rod (802), the cutter (801) is vertically fixed below the first cross beam (101) through the electric push rod (802), and the electric push rod (802) is connected with a generator of a traction machine through a wire to obtain electric energy.

6. The multifunctional full-film seeder according to claim 5, characterized in that the cutting knife (801) of the film cutting device (8) is wider than the mulching film (602), and a film supporting fork (803) is arranged in front of the cutting knife (801) and is used for supporting the mulching film (602) after the cutting knife (801) cuts the mulching film (602).

7. The multifunctional full film seeder of claim 6, wherein at least two film supporting forks (803) are provided.

8. The multifunctional all-film seeder of claim 1, wherein the fertilizing device (4) is connected with the furrow opener (2) through a fertilizing tube (401); further, fertilizer is conveyed to the rear part of the furrow opener (2) through a fertilizing pipe (401) and buried in the soil.

9. The multifunctional full-film seeder according to claim 1, wherein the soil covering disk (202), the movable vibrating block (302), the spray head (505), the soil separating and guiding pipe (1206), the film pressing wheel (9), the seeder (10) and the press wheel (11) are provided with two or three groups.

10. The multifunctional all-film seeder of claim 3, wherein the soil-separating drainage duct (1206) is provided with a drainage duct cover (1207) for selectively plugging the soil-separating drainage duct (1206) to control the seeding row number.