Furrow opener of seeding machine

Abstract

The invention provides a furrow opener of a seeding machine, and relates to the technical field of seeding and furrowing, the furrow opener comprises a furrow opener head and a turnover furrowing assembly, the upper end of the furrow opener head is provided with a head cab, the front end of the furrow opener head is fixedly provided with a soil leveling shovel, and both sides of the lower end of the furrow opener head are fixedly provided with head track seats; two crawler belt driving rollers are rotatably mounted in the headstock crawler belt cover plate, driving crawler belts are rotatably arranged on the two crawler belt driving rollers in a sleeving manner, and the turnover ditching assembly is rotatably mounted at the rear end of the ditcher headstock; through driving of the two driving tracks at the lower end of the ditcher head, a soil leveling shovel at the front end can be driven to shovel up dry and hard soil on the upper layer, then the turnover ditching assembly is started, the height of the turnover ditching assembly relative to the soil is adjusted firstly, and then the shoveled-up soil on the lower layer can be scattered again; the scattered soil is dug towards the two sides, so that gullies can be formed, and then the seeds are scattered to be sown.

Description

Technical Field

[0001] The invention relates to the technical field of sowing furrowing, in particular to a furrow opener for a sowing machine. Background Art

[0002] Corn and soybeans are the main grain and oil crops in my country, and they occupy an important position in terms of planting area and yield. The improvement of their production capacity is of great significance to improving the supply rate of grain and oil and ensuring food security. With the development of large-scale agricultural production and the aging of the agricultural production population, the huge role of high-efficiency and high-quality seeding equipment and excellent operation quality in crop production is becoming increasingly significant. This is based on the problems of soil blockage, uneven sowing depth, and loose seed burial during no-till sowing, which affect the quality of sowing operations and are not conducive to seed germination and later growth. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a seeder furrow opener, which solves the problems raised in the background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a seed drill furrowing device, including a furrowing machine head and a flip furrowing assembly, a head cab is provided at the upper end of the furrowing machine head, a soil leveling shovel is fixedly installed at the front end of the furrowing machine head, head crawler seats are fixedly installed on both sides of the lower end of the furrowing machine head, the lower ends of the two head crawler seats are integrated with head crawler cover plates, two crawler drive rollers are rotatably installed in the head crawler cover plates, and drive crawlers are rotatably sleeved on the two crawler drive rollers, and the flip furrowing assembly is rotatably installed at the rear end of the furrowing machine head.

[0005] Preferably, two cab armrests are fixedly installed on the side of the head of the trenching machine and located at the lower end of the cab of the head, and a cab pedal is arranged on the side of the head of the trenching machine and located between the two cab armrests; A trenching assembly flipping groove is provided at the lower end of the trenching machine head and at the lower end of the flip trenching assembly.

[0006] Preferably, the overturning ditching assembly comprises: an assembly overturning shaft, a ditching assembly supporting arm, a ditching frame shaft, a ditching overturning frame, a sowing turntable mounting shaft, a sowing turntable support arm, a sowing turntable, a loosening electric turntable, and a loosening and planing bent rod; A trenching assembly support arm is rotatably mounted on the side of the assembly flip shaft, a trenching frame rotation shaft is rotatably mounted at the lower end of the trenching assembly support arm, a trenching flip frame is rotatably mounted at the lower end of the trenching frame rotation shaft, the installation direction of the trenching flip frame can be turned back and forth, and the assembly flip shaft is arranged on the rear end surface of the trenching machine head; A soil-moving knife disc is arranged in one end of the ditching and turning frame, a fourth turntable shaft is installed on the soil-moving knife disc, a sowing turntable is fixedly installed on the lower end of the fourth turntable shaft, a soil-loosening electric turntable is rotatably installed on the other end of the ditching and turning frame, and a plurality of soil-loosening and planing bent rods are fixedly installed on the outer ring of the soil-loosening electric turntable.

[0007] Preferably, a lower support of a flip hydraulic cylinder is fixedly mounted on the upper end of the supporting force arm of the trenching assembly, a flip hydraulic cylinder is rotatably mounted on the upper end of the lower support of the flip hydraulic cylinder, an upper support of the flip hydraulic cylinder is rotatably mounted on the upper end of the flip hydraulic cylinder, and the rear end of the upper support of the flip hydraulic cylinder is fixedly mounted on the rear end surface of the trenching machine head.

[0008] Preferably, a cutter disc bracket is fixedly installed in the middle of the ditching and turning frame, a fourth turntable shaft is fixedly installed in the middle of the cutter disc bracket, and a fourth turntable is rotatably installed on the fourth turntable shaft; Cutter disc bent frames are fixedly installed on both sides of the cutter disc bracket, and a pit-planing rotating cutter disc is rotatably installed on the outer end of the cutter disc bent frame. The pit-planing rotating cutter disc is transmission-connected to the fourth turntable shaft through a cross shaft.

[0009] Preferably, a floating flip arm is rotatably mounted on the lower end of the supporting arm of the ditching assembly, a follower flip arm is rotatably mounted on the outer end of the floating flip arm, a flip arm shaft is rotatably mounted on the inner side of the ditching flip frame.

[0010] Preferably, a follow-up flip arm is fixedly installed in the ditching and flipping frame, a second turntable and a third turntable are rotatably installed between the lower ends of the follow-up flip arm, a motor connecting shaft is rotatably installed in the middle of the follow-up flip arm, and a first turntable is fixedly installed in the middle of the motor connecting shaft; A soil-cutting drive motor is fixedly mounted on the outer end of the follow-up flip support arm, and the output shaft of the soil-cutting drive motor is coaxially fixedly connected with the motor connecting shaft; a first drive belt is rotatably sleeved on the first and second rotating disks, and a second drive belt is rotatably sleeved on the third and fourth rotating disks; The lower ends of the follow-up flip support arms are fixedly mounted with soil-moving cutter disc bent frames, the outer ends of the two soil-moving cutter disc bent frames are rotatably mounted with soil-moving cutter discs, and the inner sides of the two soil-moving cutter discs are fixedly connected to the second turntable and the third turntable through a cross shaft.

[0011] Preferably, the sowing turntable comprises: a turntable housing, a sowing guide tube, a sowing motor, a sowing drive toothed disc groove, a seed dial, a sowing partition, a sowing drive gear ring, and a sowing drive toothed disc; A sowing guide tube is integrally provided at the lower end of the turntable housing, a sowing drive toothed disc groove is provided at the upper end of the turntable housing, a sowing motor is fixedly installed on the outer end surface of the turntable housing, and a sowing drive toothed disc is fixedly installed on the output shaft end of the sowing motor; A seed dial is rotatably mounted in the middle of the turntable housing, a plurality of sowing partitions are fixedly mounted on the outer ring of the seed dial, and a sowing drive gear ring is fixedly mounted on the middle section of the sowing partition.

[0012] Preferably, the sowing drive gear ring is meshed with the sowing drive gear disc.

[0013] Preferably, a seed storage box is integrally provided on the inner wall of the turntable housing, and a seed box outlet is provided on the inner surface of the seed storage box.

[0014] The present invention provides a furrow opener for a seed drill, which has the following beneficial effects: (1) The present invention is driven by two driving tracks at the lower end of the trenching machine head, thereby driving the soil leveling shovel at the front end to first shovel up the upper dry and hard soil, and then start the flip trenching assembly, first adjust its height relative to the soil, and then break up the lower soil after shoveling up again, and then dig the broken soil to both sides to form a gully, and then sow seeds to form sowing; (2) The present invention starts the retraction of the flip hydraulic cylinder, so that the component flip shaft can be rotated to move the ditching flip frame rotated at the lower end of the ditching frame shaft downward. When the loosening and digging bent rod is against the soil to loosen the soil, the ditching flip frame is flipped with the ditching frame shaft as the axis due to the lever principle, and then flipped with the floating flip force arm and the lower end follower flip support arm. Then, the digging drive motor is started to drive the first rotating disk rotating in the inner follower flip support arm to rotate, and then the second rotating disk is driven to rotate by the first driving belt, and the third rotating disk connected coaxially is rotated, and then the fourth rotating disk inside the other side of the cutter disc bracket is driven to rotate by the second driving belt; When the third rotating disk rotates, the cross shafts connected on both sides drive the soil-moving cutter discs installed at the ends of the cutter disc curved frame to rotate, and when the fourth rotating disk rotates, the cross shafts installed on both sides drive the pit-moving cutter discs installed at the ends of the cutter disc curved frame to rotate, cutting the agglomerated soil on both sides, thereby facilitating soil-moving at the rear; (3) The present invention drives the sowing drive gear disc rotating inside the housing of the turntable through a sowing motor, and engages with the sowing drive gear ring rotating in the middle to rotate, which can then drive the gaps between the sowing partitions to rotate the seeds leaking out of the seed box outlet on the inner side of the lower end of the seed storage box, and when they are above the rotating knife sowing guide tube, they fall into the soil, completing the sowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another viewing angle in the present invention; Figure 3 It is a schematic diagram of the structure of the flip ditching assembly in the present invention; Figure 4 It is a structural schematic diagram of the flip trenching assembly in the present invention from a second viewing angle; Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure at A in the middle; Figure 6 It is a schematic structural diagram of the flip trenching assembly of the present invention from a third viewing angle; Figure 7 It is a schematic diagram of the side structure of the flip trenching assembly in the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the cross-sectional structure along line aa; Fig. 9 It is a structural schematic diagram of the sowing turntable member in the present invention; Fig.10 It is a schematic diagram of the test structure of the sowing turntable in the present invention; Fig.11 For the present invention Fig.10 A schematic diagram of the cross-sectional structure on one side of the middle bb line; Fig.12 For the present invention Fig.10 Schematic diagram of the cross-sectional structure on the other side of the bb line.

[0016] Among them, 1. Ditching locomotive head; 2. Flipping ditching assembly; 201. Assembly flip shaft; 202. Ditching assembly support arm; 203. Ditching frame shaft; 204. Ditching flip frame; 205. Seeding turntable installation shaft; 206. Seeding turntable support arm; 207. Seeding turntable; 2071. Turntable housing; 2072. Seeding guide tube; 2073. Seeding motor; 2074. Seeding drive toothed disc groove; 2075. Seed dial; 2076. Seeding partition; 2077. Seeding drive gear ring; 2078. Seeding drive toothed disc; 2079. Seed storage box; 20710. Seed box outlet; 208. Flip hydraulic cylinder lower support; 209. Flip hydraulic cylinder; 210. Flip hydraulic cylinder upper support; 211. Cutter disc bracket; 212. Cutter disc bend Frame; 213, digging pit rotating cutter disc; 214, loosening electric turntable; 215, loosening and digging soil bending rod; 216, follow-up turning arm; 217, digging soil driving motor; 218, motor connecting shaft; 219, first turntable; 220, first driving belt; 221, second turntable; 222, third turntable; 223, second driving belt; 224, soil-moving cutter disc bending frame; 225, soil-moving cutter disc; 226, fourth turntable rotating shaft; 227, fourth turntable; 228, floating turning force arm; 229, follow-up turning arm; 230, turning arm rotating shaft; 3, front cab; 4, cab pedal; 5, cab handrail; 6, front track seat; 7, front track cover; 8, track driving roller; 9, driving track; 10, soil leveling shovel; 11, ditching assembly turning groove. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 to Figure 2As shown, an embodiment of the present invention provides a seed drill furrowing device, including a furrowing machine head 1 and a flip furrowing assembly 2, wherein a head cab 3 is provided at the upper end of the furrowing machine head 1, a soil leveling shovel 10 is fixedly installed at the front end of the furrowing machine head 1, head track seats 6 are fixedly installed on both sides of the lower end of the furrowing machine head 1, and the lower ends of the two head track seats 6 are integrally provided with head track covers 7, two track drive rollers 8 are rotatably installed in the head track covers 7, and drive tracks 9 are rotatably sleeved on the two track drive rollers 8, the flip furrowing assembly 2 is rotatably installed at the rear end of the furrowing machine head 1, two cab handrails 5 are fixedly installed on the side of the furrowing machine head 1 and located at the lower end of the head cab 3, and a cab pedal 4 is provided on the side of the furrowing machine head 1 and located between the two cab handrails 5; a furrowing assembly flip groove 11 is provided at the lower end of the furrowing machine head 1 and at the lower end of the flip furrowing assembly 2.

[0019] In the above technical solution, the two driving tracks 9 at the lower end of the trenching machine head 1 can drive the soil leveling shovel 10 at the front end to first shovel up the upper layer of dry and hard soil, and then start the flip trenching assembly 2, first adjust its height relative to the soil, and then break up the lower layer of soil after shoveling up again, and then dig the broken soil to both sides to form furrows, and then sow the seeds for sowing.

[0020] like Figure 1 , Figures 3 to 8As shown, the flip ditching component 2 includes: a component flip shaft 201, a ditching component support arm 202, a ditching frame shaft 203, a ditching flip frame 204, a sowing turntable installation shaft 205, a sowing turntable support arm 206, a sowing turntable 207, a loosening electric turntable 214, and a loosening and planing bent rod 215; the ditching component support arm 202 is rotatably installed on the side of the component flip shaft 201, the ditching component support arm 202 is provided with a ditching frame shaft 203 at the lower end of the ditching frame shaft 203, and the ditching flip frame 204 is rotatably installed at the lower end, and the installation direction of the ditching flip frame 204 can be reversed forward and backward, and the component flip shaft 201 is arranged on the rear end surface of the ditching locomotive head 1; A soil-moving knife disc 225 is arranged in one end of the frame 204, and a fourth turntable shaft 226 is installed on the soil-moving knife disc 225, and a sowing turntable member 207 is fixedly installed at the lower end of the fourth turntable shaft 226. A loosening electric turntable 214 is rotatably installed at the other end of the ditching and turning frame 204, and a plurality of loosening and planing curved rods 215 are fixedly installed on the outer ring of the loosening electric turntable 214. A lower support 208 of a turning hydraulic cylinder is fixedly installed on the upper end of the supporting arm 202 of the ditching assembly, and a turning hydraulic cylinder 209 is rotatably installed on the upper end of the turning hydraulic cylinder lower support 208, and a turning hydraulic cylinder upper support 210 is rotatably installed on the upper end of the turning hydraulic cylinder 209, and the rear end of the turning hydraulic cylinder upper support 210 is fixedly installed on the rear end surface of the ditching locomotive head 1; A cutter disc bracket 211 is fixedly installed in the middle of the ditching and turning frame 204, and a fourth turntable shaft 226 is fixedly installed in the middle of the cutter disc bracket 211, and a fourth turntable 227 is rotatably installed on the fourth turntable shaft 226; cutter disc bent frames 212 are fixedly installed on both sides of the cutter disc bracket 211, and a pit-digging rotating cutter disc 213 is rotatably installed on the outer end of the cutter disc bent frame 212, and the pit-digging rotating cutter disc 213 is transmission-connected with the fourth turntable shaft 226 through a cross shaft; a floating turning lever arm 228 is rotatably installed at the lower end of the ditching component support arm 202, and a follower turning arm 229 is rotatably installed at the outer end of the floating turning lever arm 228, and a turning arm shaft 230 is rotatably installed at the lower end of the follower turning arm 229, and the turning arm shaft 230 is rotatably installed on the inner side of the ditching and turning frame 204, and the follower turning arm 216 is fixedly installed in the ditching and turning frame 204, and the follower turning arm 216 is fixedly installed in the ditching and turning frame 204. A second turntable 221 and a third turntable 222 are rotatably installed between the lower ends of the arms 216, a motor connecting shaft 218 is rotatably installed in the middle of the follow-up flip arm 216, and a first turntable 219 is fixedly installed in the middle of the motor connecting shaft 218; a soil-cutting drive motor 217 is fixedly installed at the outer end of the follow-up flip arm 216, and the output shaft of the soil-cutting drive motor 217 is coaxially and fixedly connected with the motor connecting shaft 218, a first driving belt 220 is rotatably sleeved on the first turntable 219 and the second turntable 221, and a second driving belt 223 is rotatably sleeved on the third turntable 222 and the fourth turntable 227; soil-moving cutter disc bent frames 224 are fixedly installed on both sides of the lower end of the follow-up flip arm 216, and soil-moving cutter discs 225 are rotatably installed on the outer ends of the two soil-moving cutter disc bent frames 224, and the inner sides of the two soil-moving cutter discs 225 are fixedly connected to the second turntable 221 and the third turntable 222 through a cross shaft.

[0021] In the above technical solution, by starting the reversing hydraulic cylinder 209 to extend and retract, the component reversing shaft 201 can be rotated to move the ditching reversing frame 204 rotating at the lower end of the ditching frame shaft 203 downward, and when the loosening and digging bent rod 215 reaches the soil to loosen the soil, the ditching reversing frame 204 is reversed with the ditching frame shaft 203 as the axis at the other end due to the lever principle, and then reversed with the floating reversing force arm 228 and the follower reversing support arm 229 at the lower end, and then the digging drive motor 217 is started to drive the first rotating disk 219 rotating in the inner follower reversing support arm 216 to rotate, and then the second rotating disk 221 is driven to rotate through the first driving belt 220, and the third rotating disk 222 connected coaxially is rotated, and then the fourth rotating disk 227 inside the cutter disc bracket 211 on the other side is driven to rotate through the second driving belt 223; When the third turntable 222 rotates, the soil-moving cutter disc 225 rotatably installed at the end of the cutter disc bent frame 224 is driven to rotate through the cross shafts connected on both sides. When the fourth turntable 227 rotates, the cross shafts installed on both sides can drive the pit-moving rotating cutter disc 213 rotating at the end of the cutter disc bent frame 212 to rotate, cutting the agglomerated soil on both sides, thereby facilitating soil-moving at the rear.

[0022] like Figure 3 , Figures 9 to 12 As shown, the sowing turntable 207 includes: a turntable housing 2071, a sowing guide tube 2072, a sowing motor 2073, a sowing drive toothed disc groove 2074, a seed dial 2075, a sowing partition 2076, a sowing drive gear ring 2077, and a sowing drive toothed disc 2078; the sowing guide tube 2072 is integrated at the lower end of the turntable housing 2071, the sowing drive toothed disc groove 2074 is opened at the upper end of the turntable housing 2071, and the sowing motor 2073 is fixedly installed on the outer end surface of the turntable housing 2071. A sowing drive toothed disc 2078 is fixedly installed on the output shaft end of 3; a seed dial 2075 is rotatably installed in the middle of the turntable housing 2071, a plurality of sowing partitions 2076 are fixedly installed on the outer ring of the seed dial 2075, a sowing drive gear ring 2077 is fixedly installed in the middle section of the sowing partition 2076, the sowing drive gear ring 2077 is meshed with the sowing drive toothed disc 2078, a seed storage box 2079 is integrated with the inner wall of the turntable housing 2071, and a seed box outlet 20710 is opened on the inner surface of the seed storage box 2079.

[0023] In the above technical solution, the sowing drive gear 2078 rotating inside the turntable housing 2071 is driven by the sowing motor 2073 to rotate, and engage the sowing drive gear ring 2077 rotating in the middle to rotate, and then the gap between the sowing partitions 2076 can be driven to rotate the seeds leaking out of the seed box outlet 20710 on the inner side of the lower end of the seed storage box 2079, and when they are above the rotating knife sowing guide tube 2072, they fall into the soil to complete the sowing.

[0024] Working principle: The present invention is driven by two driving crawlers 9 at the lower end of the trenching machine head 1, so as to drive the soil leveling shovel 10 at the front end to first shovel up the upper dry and hard soil, and then start the flip trenching assembly 2, first adjust its height relative to the soil, and then break up the lower soil after shoveling up again, and then dig the broken soil to both sides, so as to form gullies, and then spread the seeds to form sowing; Among them, by starting the retractable reversing hydraulic cylinder 209, the reversing shaft 201 of the component can be rotated, and the reversing frame 204 rotating at the lower end of the ditching frame shaft 203 at the lower end is moved downward, and when the loosening and digging bent rod 215 is against the soil to dig the soil loose, the ditching and digging frame 204 is flipped with the ditching frame shaft 203 as the axis at the other end due to the lever principle, and then flipped with the floating reversing force arm 228 and the follower reversing support arm 229 at the lower end, and then the digging drive motor 217 is started to drive the first rotating disk 219 rotating in the inner follower reversing support arm 216 to rotate, and then the second rotating disk 221 is driven to rotate through the first driving belt 220, and the third rotating disk 222 connected coaxially is rotated, and then the fourth rotating disk 227 inside the cutter disc bracket 211 on the other side is driven to rotate through the second driving belt 223; When the third rotating disk 222 rotates, the cross shafts connected on both sides drive the soil-moving cutter disc 225 rotatably mounted at the end of the soil-moving cutter disc curved frame 224 to rotate, and when the fourth rotating disk 227 rotates, the cross shafts installed on both sides drive the pit-moving rotating cutter disc 213 rotating at the end of the cutter disc curved frame 212 to rotate, cutting the agglomerated soil on both sides, thereby facilitating soil-moving at the rear; Among them, the sowing driving gear 2078 rotating inside the turntable housing 2071 is driven by the sowing motor 2073 to rotate, and engage the sowing driving gear ring 2077 rotating in the middle to rotate, and then the gap between the sowing partitions 2076 can be driven to rotate the seeds leaked from the seed box outlet 20710 on the inner side of the lower end of the seed storage box 2079, and when they are above the rotating knife sowing guide tube 2072, they fall into the soil to complete the sowing.

[0025] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A seed drill furrow opener, comprising a furrow opener head (1) and a flip furrow opener assembly (2), characterized in that: A cab (3) is provided at the upper end of the trenching locomotive head (1); a soil leveling shovel (10) is fixedly mounted at the front end of the trenching locomotive head (1); locomotive track seats (6) are fixedly mounted on both sides of the lower end of the trenching locomotive head (1); locomotive track covers (7) are integrally provided at the lower ends of the two locomotive track seats (6); two track drive rollers (8) are rotatably mounted in the locomotive track covers (7); drive tracks (9) are rotatably sleeved on the two track drive rollers (8); and the flip trenching assembly (2) is rotatably mounted at the rear end of the trenching locomotive head (1).

2. A seed drill furrow opener according to claim 1, characterized in that: Two cab armrests (5) are fixedly mounted on the side of the trenching machine head (1) and located at the lower end of the cab (3) at the front of the machine, and a cab pedal (4) is arranged on the side of the trenching machine head (1) and located between the two cab armrests (5); A trenching assembly flipping groove (11) is provided at the lower end of the trenching machine head (1) and at the lower end of the flip trenching assembly (2).

3. A seed drill furrow opener according to claim 2, characterized in that: The overturning furrowing assembly (2) comprises: an assembly overturning shaft (201), a furrowing assembly supporting arm (202), a furrowing frame shaft (203), a furrowing overturning frame (204), a sowing turntable mounting shaft (205), a sowing turntable support arm (206), a sowing turntable assembly (207), a soil loosening electric turntable (214), and a soil loosening and digging bent rod (215); A ditching assembly support arm (202) is rotatably mounted on the side of the assembly flip shaft (201); a ditching frame rotation shaft (203) is disposed at the lower end of the ditching assembly support arm (202); a ditching flip frame (204) is rotatably mounted at the lower end of the ditching frame rotation shaft (203); the installation direction of the ditching flip frame (204) can be turned forward and backward; and the assembly flip shaft (201) is disposed on the rear end surface of the ditching locomotive head (1); A soil-moving knife disc (225) is arranged in one end of the furrowing and turning frame (204); a fourth turntable shaft (226) is mounted on the soil-moving knife disc (225); a sowing turntable component (207) is fixedly mounted on the lower end of the fourth turntable shaft (226); a soil-loosening electric turntable (214) is rotatably mounted on the other end of the furrowing and turning frame (204); a plurality of soil-loosening and soil-scraping curved rods (215) are fixedly mounted on the outer ring of the soil-loosening electric turntable (214).

4. A seed drill furrow opener according to claim 3, characterized in that: A lower support (208) of a tilting hydraulic cylinder is fixedly mounted on the upper end of the supporting force arm (202) of the ditching assembly, a tilting hydraulic cylinder (209) is rotatably mounted on the upper end of the tilting hydraulic cylinder lower support (208), an upper support (210) of a tilting hydraulic cylinder is rotatably mounted on the upper end of the tilting hydraulic cylinder (209), and a rear end of the upper support (210) of the tilting hydraulic cylinder is fixedly mounted on the rear end surface of the ditching machine head (1).

5. A seed drill furrow opener according to claim 4, characterized in that: A cutter disc support (211) is fixedly mounted in the middle of the ditching and turning frame (204); a fourth turntable shaft (226) is fixedly mounted in the middle of the cutter disc support (211); and a fourth turntable (227) is rotatably mounted on the fourth turntable shaft (226); Cutter disc bent frames (212) are fixedly mounted on both sides of the cutter disc bracket (211), and a pit-digging rotating cutter disc (213) is rotatably mounted on the outer end of the cutter disc bent frame (212). The pit-digging rotating cutter disc (213) is transmission-connected to a fourth rotating disc rotating shaft (226) via a cross rotating shaft.

6. A seed drill furrow opener according to claim 5, characterized in that: A floating flip arm (228) is rotatably mounted on the lower end of the ditching assembly support arm (202); a follower flip arm (229) is rotatably mounted on the outer end of the floating flip arm (228); a flip arm rotating shaft (230) is rotatably mounted on the inner side of the ditching flip frame (204) at the lower end of the follower flip arm (229); and the flip arm rotating shaft (230) is rotatably mounted on the inner side of the ditching flip frame (204).

7. A seed drill furrow opener according to claim 6, characterized in that: A follow-up flip support arm (216) is fixedly installed in the ditching flip frame (204); a second rotating disk (221) and a third rotating disk (222) are rotatably installed between the lower ends of the follow-up flip support arm (216); a motor connecting shaft (218) is rotatably installed in the middle of the follow-up flip support arm (216); and a first rotating disk (219) is fixedly installed in the middle of the motor connecting shaft (218); A soil-cutting drive motor (217) is fixedly mounted on the outer end of the follow-up flip support arm (216); an output shaft of the soil-cutting drive motor (217) is coaxially fixedly connected to a motor connecting shaft (218); a first drive belt (220) is rotatably sleeved on the first rotating disk (219) and the second rotating disk (221); and a second drive belt (223) is rotatably sleeved on the third rotating disk (222) and the fourth rotating disk (227); A soil-moving blade bent frame (224) is fixedly mounted on both sides of the lower end of the follow-up turning support arm (216); a soil-moving blade (225) is rotatably mounted on the outer ends of the two soil-moving blade bent frames (224); and the inner sides of the two soil-moving blades (225) are fixedly connected to the second rotating disk (221) and the third rotating disk (222) via a cross shaft.

8. A seed drill furrow opener according to claim 7, characterized in that: The sowing turntable (207) comprises: a turntable housing (2071), a sowing guide tube (2072), a sowing motor (2073), a sowing drive toothed disc groove (2074), a seed dial (2075), a sowing partition (2076), a sowing drive gear ring (2077), and a sowing drive toothed disc (2078); A sowing guide tube (2072) is integrally provided at the lower end of the turntable housing (2071); a sowing drive toothed disc groove (2074) is provided at the upper end of the turntable housing (2071); a sowing motor (2073) is fixedly mounted on the outer end surface of the turntable housing (2071); and a sowing drive toothed disc (2078) is fixedly mounted on the end of the output shaft of the sowing motor (2073); A seed dial (2075) is rotatably mounted in the middle of the turntable housing (2071), a plurality of sowing partitions (2076) are fixedly mounted on the outer ring of the seed dial (2075), and a sowing drive gear ring (2077) is fixedly mounted in the middle section of the sowing partition (2076).

9. A seed drill furrow opener according to claim 8, characterized in that: The sowing drive gear ring (2077) is meshed with the sowing drive gear disc (2078).

10. A seed drill furrow opener according to claim 9, characterized in that: A seed storage box (2079) is integrally provided on the inner wall of the turntable housing (2071), and a seed box outlet (20710) is provided on the inner surface of the seed storage box (2079).

Images