Planting combination machine

Abstract

The invention relates to the technical field of agricultural equipment, in particular to a planting combination machine. A planting combination machine comprises a machine frame, moving wheels and furrow openers are arranged at the bottom of the machine frame, and a traction connecting rod is hinged to the front end of the machine frame. A drip irrigation mechanism, a precise seeding mechanism and a pesticide applying mechanism are also arranged on the rack; the drip irrigation mechanism comprises a drip irrigation cabin arranged at the front end of the machine frame, a plurality of water outlet holes are formed in the side portion of the drip irrigation cabin, each water outlet hole is provided with a water guide drip irrigation belt in a sealed mode, and the water guide drip irrigation belts extend to the position below the machine frame and are located on the rear sides of the furrow openers. When the planting combination machine is used, the traction machine is connected with the traction connecting rod to drive the whole device to move, the ditcher moves in the field to open up seed ditches, meanwhile, the drip irrigation mechanism irrigates and wets the seed ditches, then the precise seeding mechanism performs precise seeding in the seed ditches, and then the pesticide applying mechanism applies pesticide. The seeder has the advantages of simple structure, convenience and uniformity in seeding and reduction of water resource waste.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural equipment, and in particular to a planting combiner. Background Art

[0002] With the development of agriculture, agricultural machinery plays an increasingly important role in agriculture, which can not only save manpower, but also greatly improve efficiency. A planting combiner is an agricultural machinery that can complete multiple planting-related operations at one time, such as ditching, fertilizing, sowing, covering soil, etc., greatly improving planting efficiency and quality. Planting combiners are widely used in the planting of field crops, such as wheat, corn, rice, etc., as well as the planting of certain cash crops. It can be used in dry land or paddy field environments and is suitable for different soil and climatic conditions. In the prior art, there are already some planting combiners, but there are also some defects, mainly: 1. Large size and complex structure; 2. Uneven seed placement during sowing; 3. For some drier lands, it is not convenient to moisten, and the use of irrigation will waste too much water resources.

[0003] Therefore, a planting combine is needed. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a planting combiner.

[0005] The technical solution adopted by the present invention is: a planting combine, including a frame, a movable wheel and a furrow opener are arranged at the bottom of the frame, and a traction link is hinged at the front end; a drip irrigation mechanism, a precision seeding mechanism and a pesticide application mechanism are also arranged on the frame; the drip irrigation mechanism includes a drip irrigation cabin arranged at the front end of the frame, and a plurality of water outlet holes are arranged on the side of the drip irrigation cabin, each water outlet hole is sealed with a water-conducting drip irrigation belt, and the water-conducting drip irrigation belt extends to the bottom of the frame and is located at the rear side of the furrow opener.

[0006] In order to better implement the present invention, it also includes a water tank arranged on the frame, and the drip irrigation cabin is arranged on the top of the water tank; a first water pump is also arranged on the water tank, and the water inlet pipe of the first water pump is connected to the water tank, and the water outlet pipe is connected to the drip irrigation cabin.

[0007] In order to better implement the present invention, a plurality of guide plates are arranged on the side of the water storage tank, and each guide plate is provided with a through hole for the water-guiding drip irrigation belt to pass freely.

[0008] In order to better realize the present invention, the precision seeding mechanism includes a storage box arranged on a frame, a seeding bucket is arranged on the top of the storage box, a rotating roller is arranged at the inner bottom of the seeding bucket, and a driving motor that cooperates with the rotating roller is arranged on the storage box; a plurality of seed grooves are arranged on the rotating roller, and a seed guide pipe corresponding to the position of the seed groove is arranged at the bottom of the seeding bucket, and the seed guide pipe extends to the bottom of the frame and is located on the rear side of the water-guiding drip irrigation belt.

[0009] In order to better realize the present invention, a sowing seat is arranged at the bottom of the frame, and a penetrating sowing channel is arranged on the sowing seat, and the sowing channel is connected with the seed guide pipe.

[0010] In order to better realize the present invention, a soil covering and pushing plate is arranged at the bottom of the frame and is located at the rear side of the sowing seat.

[0011] In order to better realize the present invention, the pesticide application mechanism includes a liquid medicine mixing box arranged on a frame, a water injection port and a medicine injection hopper are arranged on the top of the liquid medicine mixing box, and a second water pump is also arranged on the liquid medicine mixing box. The water inlet pipe of the second water pump is connected to the liquid medicine mixing box, and the water outlet pipe is connected to a liquid medicine nozzle, which is arranged on the rear side of the liquid medicine mixing box.

[0012] In order to better realize the present invention, a control valve is provided at the connection between the medicine injection hopper and the medicine liquid mixing box, and scale lines are provided on the medicine liquid mixing box.

[0013] In order to better implement the present invention, the furrow opener includes a vertical connecting plate and a cutter head arranged at the lower end of the vertical connecting plate, and the vertical connecting plate is provided with multiple groups of bolt connection holes and matched with corresponding connection bolts.

[0014] In order to better realize the present invention, the frame is welded by angle steel.

[0015] The beneficial effects of the present invention are embodied in: a planting combined machine of the present invention, through the cooperation of a frame, a moving wheel, a furrow opener, a traction link, a precision seeding mechanism, a pesticide application mechanism, a drip irrigation cabin, a water outlet and a water guide drip irrigation belt, etc., when in use, a traction machine is connected to the traction link to drive the entire device to move, the furrow opener moves in the field to open a seed furrow while the drip irrigation mechanism irrigates and moistens the seed furrow, then the precision seeding mechanism accurately sows in the seed furrow, and then the pesticide application mechanism applies pesticides, which has the advantages of simple structure, convenient and uniform sowing, and reduced waste of water resources.

[0016] It also includes a water storage tank arranged on the frame, and the drip irrigation cabin is arranged on the top of the water storage tank; a first water pump is also arranged on the water storage tank, and the water inlet pipe of the first water pump is connected with the water storage tank, and the water outlet pipe is connected with the drip irrigation cabin. After such a design, the water storage tank is filled with water in advance, and the first water pump pumps the water in the water storage tank into the drip irrigation cabin, and the water in the drip irrigation cabin is diverted from the water outlet hole to the water guide drip irrigation belt, and then drips from the water guide drip irrigation belt to the seed furrow for irrigation, which can realize precise irrigation and greatly reduce the waste of water resources.

[0017] A plurality of guide plates are arranged on the side of the water storage tank, and each guide plate is provided with a through hole for the water guide drip irrigation belt to pass freely. After such a design, the water guide drip irrigation belt passes through the plurality of guide plates in sequence, and guides the water guide drip irrigation belt to the designated position, that is, the rear side of the furrow opener, so that water can be irrigated conveniently and smoothly, and the waste of water resources can be greatly reduced.

[0018] The precision seeding mechanism includes a storage box arranged on a frame, a seeding bucket is arranged on the top of the storage box, a rotating roller is arranged at the inner bottom of the seeding bucket, and a driving motor that cooperates with the rotating roller is arranged on the storage box; a plurality of seed slots are arranged on the rotating roller, and a seed guide tube corresponding to the position of the seed slot is arranged at the bottom of the seeding bucket, and the seed guide tube extends to the bottom of the frame and is located at the rear side of the water-guiding drip irrigation belt. After such a design, seeds are loaded into the seeding bucket, the driving motor rotates, and the rotating roller is driven to rotate. After the seeds are loaded into the seed slot above the rotating roller, it continues to rotate. When it rotates to the seed guide tube, the seeds flow out of the seed guide tube and finally fall into the seed groove accurately, which can not only avoid the waste caused by the flow of a lot of seeds, but also accurately sow seeds and improve efficiency. It should be noted that the storage box can be loaded with seeds, batteries, and various tools and sundries.

[0019] A sowing seat is arranged at the bottom of the frame, and a penetrating sowing channel is arranged on the sowing seat, and the sowing channel is connected with the seed guide pipe. When arranged, the sowing seat and the furrow opener are in the same straight line. After such a design, it can be ensured that the seeds flowing out of the seed guide pipe can accurately fall into the seed furrow after passing through the sowing seat.

[0020] A soil covering push plate is provided at the bottom of the frame and is arranged at the rear side of the sowing seat. After sowing is completed, the soil covering push plate directly pushes the two sides of the seed ditch flat, allowing the soil to flow into the seed ditch and cover the seeds.

[0021] The pesticide application mechanism includes a liquid medicine mixing box arranged on a frame, a water injection port and a medicine injection hopper are arranged on the top of the liquid medicine mixing box, and a second water pump is also arranged on the liquid medicine mixing box, the water inlet pipe of the second water pump is connected to the liquid medicine mixing box, and the water outlet pipe is connected to a liquid medicine spray head, and the liquid medicine spray head is arranged at the rear side of the liquid medicine mixing box. After such a design, clean water can be injected into the liquid medicine mixing box from the water injection port, liquid medicine can be injected into the medicine injection hopper, and after mixing in the liquid medicine mixing box, the second water pump extracts the mixed liquid, sprays it from the liquid medicine spray head, and sprays the liquid medicine on the land after sowing, and the sowing operation is completed at this time.

[0022] A control valve is provided at the connection between the medicine injection hopper and the medicine liquid mixing box, and a scale line is provided on the medicine liquid mixing box. After such a design, the scale line can facilitate the staff to observe the amount of medicine liquid put in, and the staff can control the amount of put in by the control valve.

[0023] The furrow opener comprises a vertical connecting plate and a cutter head arranged at the lower end of the vertical connecting plate, and the vertical connecting plate is provided with a plurality of sets of bolt connection holes and matched with corresponding connection bolts. After such a design, appropriate bolt connection holes can be selected to match the connection bolts according to the actual needs, so as to realize the opening of seed furrows of different depths. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0025] Figure 1 A structural schematic diagram of a planting combination machine of the present invention; Figure 2 It is a structural schematic diagram of a drip irrigation cabin of a planting combined machine of the present invention; Figure 3 A schematic diagram of the structure of a rotating roller of a planting combination machine of the present invention; Figure 4 A structural schematic diagram of a furrow opener of a planting combine machine of the present invention; In the attached drawings, 1 is a frame, 2 is a moving wheel, 3 is a furrow opener, 4 is a water tank, 5 is a storage box, 6 is a traction connecting rod, 7 is a drip irrigation cabin, 8 is a first water pump, 9 is a water outlet pipe, 10 is a water-guiding drip irrigation belt, 11 is a guide plate, 12 is a driving motor, 13 is a sowing bucket, 14 is a rotating roller, 15 is a seed guide pipe, 16 is a sowing seat, 17 is a soil-covering push plate, 18 is a seed groove, 19 is a liquid medicine mixing box, 20 is a water injection port, 21 is a second water pump, 22 is a liquid medicine nozzle, 23 is a medicine injection bucket, 24 is a control valve, 25 is a connecting plate, 26 is a cutter head, 27 is a bolt connection hole, and 28 is a water outlet. DETAILED DESCRIPTION

[0026] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention. In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. The components of the embodiments of the present disclosure described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] In the description of the present disclosure, it should be noted that the orientation or positional relationship indicated by the terms "upper", "inner", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the disclosed product is usually placed when in use, and is only for the convenience of describing the present disclosure and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present disclosure, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

[0029] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art in the field to which the present invention relates.

[0030] Example: like Figures 1 to 4 As shown, a planting combine of the present invention comprises a frame 1, at the bottom of which a moving wheel 2 and a furrow opener 3 are arranged, and a traction link 6 is hinged at the front end; a drip irrigation mechanism, a precision seeding mechanism and a pesticide application mechanism are also arranged on the frame 1; the drip irrigation mechanism comprises a drip irrigation cabin 7 arranged at the front end of the frame 1, and a plurality of water outlet holes 28 are arranged on the side of the drip irrigation cabin 7, each of the water outlet holes 28 is sealed with a water-conducting drip irrigation belt 10, and the water-conducting drip irrigation belt 10 extends to the bottom of the frame 1 and is located at the rear side of the furrow opener 3. The planting combined machine of the present invention cooperates with a frame 1, a moving wheel 2, a furrow opener 3, a traction link 6, a precision seeding mechanism, a pesticide application mechanism, a drip irrigation cabin 7, a water outlet 28 and a water-conducting drip irrigation belt 10. When in use, the traction machine is connected to the traction link 6 to drive the entire device to move. The furrow opener 3 moves in the field to open a seed furrow while the drip irrigation mechanism irrigates and moistens the seed furrow. Then the precision seeding mechanism sows precisely in the seed furrow, and then the pesticide application mechanism applies pesticides. The planting combined machine has the advantages of simple structure, convenient and uniform sowing, and reduced waste of water resources.

[0031] As a preferred embodiment, it also includes a water tank 4 arranged on the frame 1, and the drip irrigation cabin 7 is arranged on the top of the water tank 4; a first water pump 8 is also arranged on the water tank 4, and the water inlet pipe of the first water pump 8 is connected to the water tank 4, and the water outlet pipe 9 is connected to the drip irrigation cabin 7. In this embodiment, it also includes a water tank 4 arranged on the frame 1, and the drip irrigation cabin 7 is arranged on the top of the water tank 4; a first water pump 8 is also arranged on the water tank 4, and the water inlet pipe of the first water pump 8 is connected to the water tank 4, and the water outlet pipe 9 is connected to the drip irrigation cabin 7. After such a design, the water tank 4 is filled with water in advance, and the first water pump 8 pumps the water in the water tank 4 into the drip irrigation cabin 7, and the water in the drip irrigation cabin 7 is diverted from the water outlet 28 to the water guide drip irrigation belt 10, and then drips from the water guide drip irrigation belt 10 to the seed furrow for irrigation, which can achieve precise irrigation and greatly reduce the waste of water resources.

[0032] As a preferred embodiment, a plurality of guide plates 11 are provided on the side of the water storage tank 4, and a through hole is provided on each guide plate 11 for the water guide drip irrigation belt 10 to pass freely. In this embodiment, a plurality of guide plates 11 are provided on the side of the water storage tank 4, and a through hole is provided on each guide plate 11 for the water guide drip irrigation belt 10 to pass freely. After such a design, the water guide drip irrigation belt 10 passes through the plurality of guide plates 11 in sequence, and the water guide drip irrigation belt 10 is guided to the designated position, that is, the rear side of the furrow opener, so that water can be irrigated conveniently and smoothly, and the waste of water resources can be greatly reduced.

[0033] As a preferred embodiment, the precision seeding mechanism includes a storage box 5 arranged on a frame 1, a seeding bucket 13 is arranged on the top of the storage box 5, a rotating roller 14 is arranged at the inner bottom of the seeding bucket 13, and a driving motor 12 is arranged on the storage box 5 for transmission cooperation with the rotating roller 14; a plurality of seed grooves 18 are arranged on the rotating roller 14, and a seed guide pipe 15 corresponding to the position of the seed groove 18 is arranged at the bottom of the seeding bucket 13, and the seed guide pipe 15 extends to the bottom of the frame 1 and is located on the rear side of the water-guiding drip irrigation belt 10. In this embodiment, the precision seeding mechanism comprises a storage box 5 arranged on the frame 1, a seeding bucket 13 is arranged on the top of the storage box 5, a rotating roller 14 is arranged at the bottom of the seeding bucket 13, and a driving motor 12 is arranged on the storage box 5 to cooperate with the rotating roller 14; a plurality of seed grooves 18 are arranged on the rotating roller 14, and a seed guide tube 15 corresponding to the position of the seed groove 18 is arranged at the bottom of the seeding bucket 13, and the seed guide tube 15 extends to the bottom of the frame 1 and is located at the rear side of the water-guiding drip irrigation belt 10. After such a design, seeds are loaded into the seeding bucket 13, the driving motor 12 rotates, and the rotating roller 14 is driven to rotate. After the seeds are loaded into the seed groove 18 above the rotating roller 14, it continues to rotate. When it rotates to the seed guide tube 15, the seeds flow out of the seed guide tube 15 and finally fall into the seed furrow accurately, which can not only avoid the waste caused by a large amount of seeds flowing down, but also accurately sow and improve efficiency. It should be noted that the storage box 5 can be loaded with seeds, batteries, various tools and sundries.

[0034] As a preferred embodiment, a sowing seat 16 is provided at the bottom of the frame 1, and a penetrating sowing channel is provided on the sowing seat 16, and the sowing channel is connected to the seed guide tube 15. In this embodiment, a sowing seat 16 is provided at the bottom of the frame 1, and a penetrating sowing channel is provided on the sowing seat 16, and the sowing channel is connected to the seed guide tube 15. When set, the sowing seat 16 and the furrow opener 3 are in the same straight line. After such a design, it can be ensured that the seeds flowing out of the seed guide tube 15 can accurately fall into the seed furrow after passing through the sowing seat 16.

[0035] As a preferred embodiment, a soil covering push plate 17 is provided at the bottom of the frame 1 and is located at the rear side of the sowing seat 16. In this embodiment, a soil covering push plate 17 is provided at the bottom of the frame 1 and is located at the rear side of the sowing seat 16. After such a design, when sowing is completed, the soil covering push plate 17 directly flattens both sides of the seed trench, allowing the soil to flow into the seed trench to cover the seeds.

[0036] As a preferred embodiment, the pesticide application mechanism includes a liquid medicine mixing box 19 arranged on the frame 1, a water injection port 20 and a medicine injection hopper 23 are arranged on the top of the liquid medicine mixing box 19, and a second water pump 21 is also arranged on the liquid medicine mixing box 19, the water inlet pipe of the second water pump 21 is connected to the liquid medicine mixing box 19, and the water outlet pipe is connected to a liquid medicine spray head 22, and the liquid medicine spray head 22 is arranged at the rear side of the liquid medicine mixing box 19. In this embodiment, the pesticide application mechanism includes a liquid medicine mixing box 19 arranged on the frame 1, a water injection port 20 and a medicine injection hopper 23 are arranged on the top of the liquid medicine mixing box 19, and a second water pump 21 is also arranged on the liquid medicine mixing box 19, the water inlet pipe of the second water pump 21 is connected to the liquid medicine mixing box 19, and the water outlet pipe is connected to a liquid medicine spray head 22, and the liquid medicine spray head 22 is arranged at the rear side of the liquid medicine mixing box 19. After such a design, clean water can be injected into the liquid medicine mixing box from the water injection port 20, and liquid medicine can be injected into the liquid medicine injection hopper 23. After mixing in the liquid medicine mixing box 19, the second water pump 21 extracts the mixed liquid and sprays it out from the liquid medicine nozzle to spray the liquid medicine on the land after sowing. At this time, the sowing operation is completed.

[0037] As a preferred embodiment, a control valve 24 is provided at the connection between the injection hopper 23 and the liquid medicine mixing box 19, and a scale line is provided on the liquid medicine mixing box 19. In this embodiment, a control valve 24 is provided at the connection between the injection hopper 23 and the liquid medicine mixing box 19, and a scale line is provided on the liquid medicine mixing box 19. With this design, the scale line can facilitate the staff to observe the amount of liquid medicine put in, and the staff can control the amount of medicine put in by controlling the valve 24.

[0038] As a preferred embodiment, the furrow opener 3 includes a vertical connecting plate 25 and a cutter head 26 disposed at the lower end of the vertical connecting plate 25, and a plurality of bolt connection holes 27 are disposed on the vertical connecting plate 25 and matched with corresponding connection bolts. In this embodiment, the furrow opener 3 includes a vertical connecting plate 25 and a cutter head 26 disposed at the lower end of the vertical connecting plate 25, and a plurality of bolt connection holes 27 are disposed on the vertical connecting plate 25 and matched with corresponding connection bolts. After such a design, appropriate bolt connection holes 27 can be selected to match the connection bolts according to the actual needs, so as to realize the opening of seed furrows of different depths.

[0039] As a preferred implementation, the frame 1 is welded by angle steels.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A planting combined machine, characterized in that: The invention comprises a frame (1), a movable wheel (2) and a furrow opener (3) are arranged at the bottom of the frame (1), and a traction link (6) is hinged at the front end; a drip irrigation mechanism, a precision seeding mechanism and a pesticide application mechanism are also arranged on the frame (1); the drip irrigation mechanism comprises a drip irrigation cabin (7) arranged at the front end of the frame (1), a plurality of water outlet holes (28) are arranged on the side of the drip irrigation cabin (7), each water outlet hole (28) is sealed with a water-conducting drip irrigation belt (10), and the water-conducting drip irrigation belt (10) extends to the bottom of the frame (1) and is located at the rear side of the furrow opener (3).

2. A planting combined machine according to claim 1, characterized in that: It also includes a water storage tank (4) arranged on the frame (1), and the drip irrigation cabin (7) is arranged on the top of the water storage tank (4); a first water pump (8) is also arranged on the water storage tank (4), and the water inlet pipe of the first water pump (8) is connected to the water storage tank (4), and the water outlet pipe (9) is connected to the drip irrigation cabin (7).

3. A planting combined machine according to claim 2, characterized in that: A plurality of guide plates (11) are arranged on the side of the water storage tank (4), and each guide plate (11) is provided with a through hole for facilitating the free passage of the water-guiding drip irrigation belt (10).

4. The planting combined machine according to claim 1, characterized in that: The precision seeding mechanism comprises a storage box (5) arranged on a frame (1); a seeding bucket (13) is arranged on the top of the storage box (5); a rotating roller (14) is arranged at the bottom of the seeding bucket (13); a driving motor (12) is arranged on the storage box (5) and is in transmission cooperation with the rotating roller (14); a plurality of seed grooves (18) are arranged on the rotating roller (14); a seed guide pipe (15) corresponding to the position of the seed grooves (18) is arranged at the bottom of the seeding bucket (13); the seed guide pipe (15) extends to the bottom of the frame (1) and is located at the rear side of the water guide drip irrigation belt (10).

5. The planting combined machine according to claim 4, characterized in that: A sowing seat (16) is provided at the bottom of the frame (1), and a penetrating sowing channel is provided on the sowing seat (16), wherein the sowing channel is connected to the seed guide pipe (15).

6. The planting combined machine according to claim 5, characterized in that: A soil covering push plate (17) is provided at the bottom of the frame (1) and is located at the rear side of the sowing seat (16).

7. The planting combined machine according to claim 1, characterized in that: The pesticide application mechanism comprises a liquid medicine mixing box (19) arranged on a frame (1), a water injection port (20) and a medicine injection hopper (23) being arranged on the top of the liquid medicine mixing box (19), and a second water pump (21) being arranged on the liquid medicine mixing box (19), a water inlet pipe of the second water pump (21) being connected to the liquid medicine mixing box (19), and a water outlet pipe being connected to a liquid medicine spray head (22), and the liquid medicine spray head (22) being arranged on the rear side of the liquid medicine mixing box (19).

8. The planting combined machine according to claim 7, characterized in that: A control valve (24) is provided at the connection between the drug injection hopper (23) and the drug liquid mixing box (19), and scale lines are provided on the drug liquid mixing box (19).

9. The planting combined machine according to claim 1, characterized in that: The furrow opener (3) comprises a vertical connecting plate (25) and a cutter head (26) arranged at the lower end of the vertical connecting plate (25), and a plurality of groups of bolt connection holes (27) are arranged on the vertical connecting plate (25) and matched with corresponding connection bolts.

10. The planting combined machine according to claim 1, characterized in that: The frame (1) is welded by angle steel.

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