JP2012161280A5 - - Google Patents

Description

Seeding machine

  The present invention relates to a seeder that feeds seeds to a field and seeds them, and can perform work while removing granular materials such as seeds and fertilizers accumulated in a feeding groove of a feeding device.

  By rotating a feeding roll having a plurality of feeding grooves formed on the rotating peripheral surface, seeds fed from a seed-containing hopper are thrown into each feeding groove, are fed out, and are sown in a set amount in a field (for example, patents) Document 1) is well known.

JP 2010-136629 A (page 6, FIG. 5).

The present invention was charged with always setting the amount of seed feeding grooves, to prevent that the place where the amount of seeding is not less place and seeding occurs, is to attempt to improve the seeding accuracy.

The invention according to claim 1 is a seeder provided with a seeding device (9) provided with a feeding rotating body (5) having a feeding groove (4) formed on a rotating peripheral surface at a rear portion of a traveling vehicle body (3). The cleaning member (6) that contacts the rotating peripheral surface of the feeding rotary body (5) is provided in the non-feeding action part from the time when the feeding rotary body (5) feeds the seed until the next seed is received. The characteristic seeder was used.

The invention according to claim 2 is the seeding machine according to claim 1, further comprising a resilient member that urges the cleaning member (6) toward the feeding rotary body (5) .

The invention according to claim 3 is provided with a groove width adjusting member (91) for adjusting the left and right width of the feeding groove (4) of the feeding rotating body (5), and the cleaning member (6) is arranged on the left and right sides of the feeding groove (4). The seeding machine according to claim 1 or 2 , wherein a plurality of cleaning members vertical movement mechanisms (C) are provided that are arranged in the width direction and individually move the plurality of cleaning members (6) up and down .

The invention according to claim 4, was seeded machine according to any one of claims 1 to 3, characterized by being configured to square the cleaning member (6).

The invention according to claim 5, mounting a cleaning member (6) to the pivotable mounting member (83) biases the attachment member (83) and cleaning members (6) to the feeding rotary body (5) side An elastic member is provided to form a cleaning member vertical movement mechanism (C) , a lid (81) is provided above the attachment member (83), and the inside of the notch (82) formed in the lid (81) The seeding machine according to any one of claims 1 to 4 , wherein a cleaning member (6) is arranged .

The invention according to claim 6 is a non-feeding action part from the time when the feeding rotary body (5) feeds the seed until the next seed is received, and a blowing device for blowing air to the feeding groove (4) is provided. A rotatable air blowing member (11) in which a plurality of air blowing holes (14) through which wind is sent out are formed in a spiral shape, and an air blowing hole (16) provided in a non-rotatable manner on the rotating peripheral surface of the air blowing member (11) The air blower (14) and the blowout hole (16) are configured to be blown out when the air blower hole (14) and the blowout hole (16) are overlapped with each other. A seeder according to any one of the above items was used.

The invention according to claim 7 is provided with a monitoring device (12) for monitoring the feeding groove (4) in the non-feeding action part from the feeding rotator (5) feeding the seed to receiving the next seed, 7. The structure according to claim 1, wherein when the monitoring member detects a seed remaining in the feeding groove, the notification member is activated. A seeder was used.

According to the first aspect of the present invention , the cleaning member (6) comes into contact with the inside of the feeding groove (4) and is contaminated with seed growth agents accumulated in the feeding groove (4) or iron powder for preventing bird damage. Since the object can be removed by the cleaning member (6), a set amount of seed is always put into the feeding groove (4), and it is prevented that a place where the seeding amount is small or a place where seeding is not performed is generated. To improve .

In addition to the effect of the invention described in claim 1, the invention described in claim 2 causes the cleaning member (6) to move into the feeding groove (4) in accordance with the rotation of the feeding rotary body (5) by the resilient member. Since it is configured to automatically go in and out, the cleaning member (6) can remove impurities from the feeding groove (4) without hindering the rotation of the feeding rotary body (5), and the feeding groove (4) Since the cleaning member (6) can be inserted deeply into the feed groove (4) to remove impurities, it is prevented that impurities accumulate in the feed groove (4) and the capacity is reduced. The feeding amount can be kept constant, and sowing accuracy is improved .

In addition to the effect of the invention described in claim 1 or 2, the invention described in claim 3 is provided with a groove width adjusting member (91) for adjusting the lateral width of the feeding groove (4) of the feeding rotating body (5). By providing, the operator can easily adjust the sowing amount according to the working conditions, so that seed sowing and shortage are prevented.

Further, a plurality of cleaning members (6) are arranged in the left-right width direction of the feeding groove (4), and a cleaning member vertical movement mechanism (C) for individually moving the plurality of cleaning members (6) up and down is provided. Even if the groove width is changed by the width adjusting member (91), the portion of the cleaning member (6) that does not come into contact with the groove width adjusting member (91) can rotate upward and enter the feeding groove (4). Contaminants accumulating inside the feeding groove (4) whose groove width is adjusted are removed, so that the seed sowing amount is stabilized and sowing accuracy is improved .

The invention according to claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, by constructing the square cleaning member (6), the side of the cleaning action portion Even if worn, if the 90 ° phase is changed, the cleaning action part that is not worn can be brought into contact with the feeding groove, so that the durability of the cleaning member (6) is improved.

  Furthermore, if it is a square, it can be used up to four times by changing the phase, so the period for replacing the cleaning member (6) becomes longer and the durability is further improved.

In addition to the effect of the invention according to any one of the first to fourth aspects , the cleaning member (6) rotates the feeding rotary body (5) by the resilient member. Therefore, the cleaning member (6) can remove impurities from the feeding groove (4) without hindering the rotation of the feeding rotating body (5). In addition , since the cleaning member (6) can be inserted into the deep part of the feeding groove (4) to remove impurities from the feeding groove (4), the foreign matter accumulates in the feeding groove (4) and has a capacity. Is prevented, the amount of seeds fed can be kept constant, and sowing accuracy is improved.

In addition, by providing the lid (81) above the mounting member (83), foreign matter scattered when seeds are fed out from the feeding rotary body (5) falls on the cleaning member vertical movement mechanism (C). Therefore, after the sowing operation, the cleaning of the cleaning member up-and-down motive (C) is not troublesome, and the labor of the operator is reduced.

And by providing the cleaning member (6) inside the notch part (82) formed in the lid (81), the cleaning member (6) is brought into contact with the feeding rotary body (5) and the feeding groove (4). Therefore, it is possible to prevent the foreign matter from being properly removed and to reduce the capacity of the feeding groove (4), and to improve the sowing accuracy.

In addition to the effect of the invention according to any one of claims 1 to 5 , the invention according to claim 6 is the process from the feeding rotator (5) feeding seeds until receiving the next seed. By providing a blower that blows air to the feeding groove (4) in the non-feeding action part, fine impurities that cannot be removed by the cleaning member (6) can be removed by wind, so that the feeding groove (4) is contaminated. Accumulation of seeds is prevented and the capacity is reduced, and sowing accuracy is improved.

In addition, the blower includes a rotatable blower member (11) in which a plurality of blower holes (14) through which wind is sent out are formed in a spiral shape, and a blowout hole provided in a non-rotatable manner on the rotational peripheral surface of the blower member (11). 16) is constituted by an outer peripheral air blowing member (17) formed at equal intervals in the left-right direction, and the air blowing member (11) is configured such that air is sent out when the air blowing hole (14) and the air blowing hole (16) are superposed. Since the air is blown into the feed groove (4) only at the position where the air blow hole (14) and the blow hole (16) are overlapped with each other, the foreign matter is blown from the feed groove (4) with a small amount of air. Since the air volume can be secured, work efficiency is improved. In addition, since impurities can be reliably removed from the feeding groove (4) and a predetermined amount of seeds can be sown in the field, sowing accuracy is improved.

The effect of the invention described in claim 7 is that, in addition to the effect of the invention described in any one of claims 1 to 6, the operator can recognize the occurrence of clogging of the feeding groove (4) at an early stage. Therefore, even if a clogging that cannot be removed by the wind of the cleaning member (6) or the blower occurs, the operator can remove the clogging immediately, so that the seeding accuracy is improved and the work efficiency is improved. Moreover, when the monitoring member (12) detects the seeds remaining in the feeding groove (4), the notification member (60) is activated, so that the operator can visually recognize the clogging of the feeding groove (4). Therefore, it is possible to select whether the operation is continued according to the clogging of the feeding groove (4) or the operation is interrupted to perform the clogging removal operation, so that the work efficiency is improved and the seeding accuracy is improved.

Side view of seeder Block diagram of seeding control of seeder Side view of the seeding device of the seeder Enlarged view of the main parts of the blower Side cross-sectional view of the main part of the seeding machine feeding device Side cross-sectional view of the main part of the seeding machine feeding device Block diagram of the seeding machine feed control unit Flow chart for detecting clogging of feeding roll by monitoring device (A) Main part side surface sectional view of feeding device of seeding machine, (b) Plan view of cleaning brush vertical movement mechanism (A) Main part rear view of float part, (b) Plan view of float part Cross-sectional side view of the main part showing another configuration example of the seeding machine (A) Side view of main part of rear wheel with groove forming device, (b) Front view of part of rear wheel with groove forming device, (c) Front view of groove forming device Front sectional view of main parts showing a feeding device of a seeding machine of another configuration example Top view of cleaning brush

  As shown in FIG. 1, a work seat 31 on which an operator rides is provided at a substantially central portion in the front-rear direction of the machine body, a handle 34 for operating the machine body is provided in front of the work seat 31, and left and right directions are operated by operating the handle 34. A pair of left and right front wheels 1 and 1 to be steered are provided, rear final cases 21 and 21 are provided on the left and right sides of the rear part of the body, and a pair of left and right rear wheels 2 are mounted on axles 22 and 22 provided on the rear final cases 21 and 21. Attaching 2 An engine cover 30 is provided below the work seat 31, an engine 23 is provided inside the engine cover 30, and a riding four-wheel drive traveling vehicle 3 that is driven by the engine 23 to travel is configured. .

  A lift link mechanism 41 that is turned up and down by expansion and contraction of the lifting cylinder 40 is provided behind the traveling vehicle body 3, and the sowing device 9 for seeding the field is connected via the lift link mechanism 41. Further, a transmission case 24 and a hydraulic continuously variable transmission 26 are provided at the front lower portion of the traveling vehicle body 3, and a driving force is transmitted from the engine 23 to the transmission case 24 and the hydraulic continuously variable transmission 26 by belt transmission. To do.

  Front axle cases 27 and 27 are provided on the left and right sides of the lower side of the transmission case 24, respectively, and the left and right front wheels 1 and 1 are attached to the ends of the left and right front axle cases 27 and 27, respectively. To do. Further, a floor step 35 in which an operator moves is provided below and around the work seat 31 and the handle 34, and the steering wheel 34, operation levers for various driving operations, and the like are disposed on the front side of the floor step 35. Post 32 is arranged.

  Left and right rear wheel drive shafts 28, 28 are provided at the rear of the transmission case 24 to transmit output toward the rear of the aircraft, and drive force is transmitted from the rear wheel drive shafts 28, 28 to the rear final cases 21, 21. Thus, the rear wheels 2 and 2 are driven and rotated. In addition to this, the transmission case 24 is provided with a PTO shaft 29 for supplying a driving force to the seeding device 9, and is driven by the fertilizer 33 provided on the rear frame 42 provided at the rear of the machine body, the seeding device 9, and the like. It is configured to transmit power.

  A float 8 that slides and smoothes the field scene is provided at the bottom of the seeding device 9. The float 8 rotates up and down depending on the depth of the farm scene, and when the amount of upward rotation or the amount of downward rotation exceeds a certain value, a hydraulic valve (not shown) is operated to expand and contract the lifting cylinder 40, thereby the lift link mechanism 41 is moved up and down to change the sowing height of the sowing apparatus 9, a center float 8a provided at the center in the left-right direction of the sowing work position, and the left and right sides of the center float 8a while smoothing the field scene while sliding It consists of side floats 8b and 8b. The left and right side floats 8b, 8b are arranged on the rear side of the front end portion of the center float 8a.

In this example, as shown in FIG. 2, a seeding form for six strips is shown in which seeding is performed on both the left and right side positions of the center float 8a and the left and right side floats 8b and 8b.
As shown in FIGS. 1 and 3, a seeding frame 36 that supports the center float 8a and the left and right side floats 8b, 8b is provided in the left-right direction, and six seeds are placed on the top of the seeding frame 36. A seed hopper 43 that is stored every time, a seed feeding device 7 that receives a predetermined amount of seeds fed from the seed hopper 43 and feeds them to the field, and a seeding tube 44 that guides the seeds fed from the feeding device 7 to fall. Then, the sowing apparatus 9 is configured by arranging a blower 37 and the like for sending wind into the sowing cylinder 44 and sending seeds to the farm scene at high speed.

  Below the center float 8a and the side floats 8b, 8b are provided a pair of left and right groovers 19, 19 for cutting straight grooves into the field to prevent seeds after sowing from moving by wind or the like. Grooves 19 and 19 of the center float 8a are provided near the rear side of the center float 8a. Grooves 19 and 19 of the side floats 8b and 8b are provided near the front side of the side floats 8b and 8b. 19 and 19 are arranged in a substantially straight line in the left-right direction.

  On the front side of the seeding device 9, as shown in FIG. 1, it contacts the field scene on the front side of the center float 8a and the left and right side floats 8b, 8b, and the unevenness of the field scene is flattened by the rotational force. The leveling rotor 38 is disposed. The leveling rotor 38 includes a center rotor 38a for leveling the front side of the center float 8a, left and right rotor transmission cases 38c and 38c for connecting front end portions to the left and right sides of the center rotor 38a, and the left and right rotor transmission cases 38c, It is comprised by the side rotors 38b and 38b which level the front side of the left and right side floats 8b and 8b connected to the rear end side of 38c. A rotor transmission shaft 39 is provided between one of the left and right sides of the left and right rotor transmission cases 38c, 38c and the rear final case 21 on the same side.

  The leveling rotor 38 is configured to be lifted and lowered together with the seeding device 9 as the lift link mechanism 41 moves up and down. The leveling rotor 38 may be configured to change the vertical position independently.

  According to the above configuration, since the unevenness of the field scene can be seeded in a field scene leveled by the leveling rotor 38 and the float 8, the distance between the lower end of the seeding tube 44 of the seeding device 9 and the field scene becomes too close. Since it is possible to prevent the soil in the field that has bounced when sowing from entering the sowing cylinder 44, it is possible to prevent seeds from being caught by the soil that has entered, so that seeding is prevented and sowing accuracy is improved.

Moreover, since the operation | work which removes the soil which entered in the sowing cylinder 44 becomes unnecessary, an operator's labor is reduced and maintainability improves.
And since the distance between the lower end of the sowing cylinder 44 and the field scene is too far away and seeds can be prevented from being sowed in a wider range than the setting, the set amount of seeds can be seeded within the set range, Since the growth is stable and sowing is performed in a straight line, the efficiency of management work and harvesting work such as spraying agricultural chemicals and fertilizer during growth is improved.

  Further, since the center float 8a is arranged on the front side of the machine body relative to the side floats 8b and 8b, the depth detection position of the farm field is closer to the machine body side, so that the seeding device 9 moves to a height that matches the depth of the farm field. Since the seed can be fed out from the plant, sowing accuracy is improved. In addition to this, since the left and right widths of the front side of the center float 8 can be widened, the detection accuracy of the depth of the agricultural field is improved.

  As shown in FIG. 3, the seeding device 9 includes a feeding roll 5 in which a plurality of feeding grooves 4 are formed on a rotating circumferential surface, and a feeding roll 5 and a feeding groove 4 that are in contact with the rotating circumferential surface of the feeding roll 5. A feeding device 7 configured to provide a cleaning brush 6 that cleans the seeds and feeds seeds falling from the seed hopper 43 by a set amount is provided between the seed hopper 43 and the seeding tube 44 for each line.

  The lower end portion of the seeding tube 44 of each feeding device 7 is arranged facing the inner side of the guide plate 45 on the center float 8a and the side floats 8b, 8b, and the groove generators 19, 19 are formed in the field scene. It is set as the structure guided accurately in a sowing groove.

  In addition, an air nozzle 46 is disposed on the upper part of each guide plate 45 from the front side of the sowing cylinder 44, blown from the blower 37 through the air duct 47, blown from the air nozzle 46, and seeded into the sowing groove. It is set as the structure which encourages the drop throwing input of and performs exact sowing.

Then, the cleaning brush 6 is moved up and down by a cleaning brush up-and-down moving mechanism C that urges the cleaning brush 6 toward the rotating peripheral surface of the feeding roll 5 and a non-feeding action part until the seed is fed from the feeding groove 4 and receives the next seed. a blowing device for air jet the feeding side peripheral surface of the roll 5, in the rotation direction upstream side than the blowing position of the blowing device, the monitoring device 12 which detects the clamping miscellaneous matter to monitor the inside of the feeding groove 4, seeded It is provided in the device 9.

  The seeds sowed by the sowing device 9 are often coated with a growth promoter that supplies nutrients and oxygen necessary for seed germination and growth, and iron powder that prevents the seeds from being damaged by birds and beasts. . However, these coating agents are liable to collapse due to drying or vibration, and the peeled coating agent accumulates in the feeding groove 4, reducing the capacity of the feeding groove 4, and there is a problem that the fertilization work as set is hindered.

  As shown in FIGS. 3, 5, 6, and 9, by rotating the feeding roll 5 while traveling on the traveling vehicle body 3, the feeding hopper 43 supplies the feeding grooves 4 to the feeding grooves 4. When seeds are thrown in and the feeding roll 5 rotates and the feeding groove 4 reaches the drop position, a predetermined amount of seeds thrown into the feeding groove 4 falls by gravity, is fed out to the sowing cylinder 44 and is sown in the field. The

  Then, when the feeding roll 5 rotates and moves to the non-feeding action portion and the feeding groove 4 that has finished feeding seeds comes into contact with the cleaning brush 6 provided below the feeding roll 5, the cleaning that is in contact with the feeding roll 5. The brush 6 enters the feeding groove 4 by the urging force of the cleaning brush up-and-down moving mechanism C, and scrapes off the seeds remaining in the back of the feeding groove 4, the growth promoter and iron powder residues that have covered the seeds. clean.

  Moreover, as shown in FIGS. 6-8, whether the seed remains in the feeding groove | channel 4 after the seed feeding | feeding out in the non-contact action part of the rotation direction lower side rather than the cleaning brush 6, and powder, such as a coating agent A monitoring device 12 is provided for monitoring whether or not the data is accumulated. When the monitoring device 12 is constituted by a photographing device such as a CCD camera and is provided with a display (not shown) for displaying a photographed image on a handle post 32 provided on the traveling vehicle body 3, the operator visually recognizes the feeding groove 4. Therefore, it is possible to determine whether to continue the work or to remove the contaminants from the accumulated amount of contaminants, so that work efficiency and sowing accuracy are improved. In addition, it is not necessary to disassemble the seeding device 9 only to confirm the inside of the feeding groove 4, and the work efficiency is further improved.

  As described above, since the inside of each feeding groove 4... Can be cleaned while the seeding operation is performed, the capacity of the feeding groove 4 is prevented from changing significantly, and the seed is seeded as set, so that the seeding accuracy is improved. .

  Further, the cleaning brush 6 is urged upward by the cleaning brush vertical movement mechanism C and is always in contact with the feeding roll 5, thereby removing the particles of the coating agent that have fallen off with the seeds fed from the seed hopper 43. Therefore, it is not necessary to clean the feeding roll 5 after the work, and the maintainability is improved.

  When the feeding groove 4 formed on the rotating circumferential surface of the feeding roll 5 passes, the cleaning brush 6 is moved until the tip of the cleaning brush 6 is brought into contact with the inside of the feeding groove 4 by the cleaning brush vertical movement mechanism C. Since it can be moved, the impurities remaining in the back of the feeding groove 4 can be reliably removed, the maintainability is improved, the capacity of the feeding groove 4 is prevented from changing, and the seeding accuracy is improved. .

  Further, as shown in FIGS. 3, 5, 6, and 9, the feeding roll 5 is pivotally attached to a roll shaft 13 along the left-right direction of the machine body. Then, the upper supply port 49 of the roll case 48 that bears the feeding roll 5 faces the opening of the seed hopper 43, and the seeding tube 44 in the directly downward direction faces the lower discharge port 50 of the supply port 49. Are provided in communication. Further, in the inside of the roll case 48, a scraping brush 51 is provided on the feeding side of the supply port 49 so as to close the upper surface of the seed put in the feeding groove 4, and the rotating outer periphery of the feeding groove 4 is covered so as to cover the seed. A guide cover 52 for preventing the scattering and guiding the seeds that have fallen from the feeding groove 4 is provided.

  The scraping brush 51 is scraped so that the lower end edge approaches the rotational peripheral surface of the feeding roll 5 and measures the amount of seeds of a predetermined number of grains introduced into the feeding groove 4. A support piece 53 is provided on the back side and attached to the roll case 48. The support piece 53 supports the scraping brush 51 in a flexible manner to maintain an accurate seeding amount.

  Then, as shown in FIG. 5, the cleaning brush 6 is attached to the end portion of the brush arm 54 provided on the discharge port 50 side at an appropriate interval from the end portion of the guide cover 52. The brush arm 54 is disposed with the end portion on the side having the cleaning brush 6 moved closer to the rotating peripheral surface side of the feeding roll 5, and the brush arm 54 is disposed between the lower side of the roll case 48 and the brush arm 54. A spring 10 is provided for repelling the end of the spring toward the feeding roll 5 side.

  Further, the end of the brush arm 54 is fitted to the spring rod 55 to which the spring 10 is fitted, and the nut 56 provided with a nut 56 between the brush arm 54 and the spring 10 is rotated. Thus, the cleaning brush vertical movement mechanism C that adjusts the vertical position of the brush arm 54 and the elastic force of the cleaning brush 6 by changing and adjusting the distance between the brush arm 54 and the spring 10 is configured.

  The cleaning brush 6 for cleaning up to the inner part of the feeding grooves 4 formed on the feeding roll 5 is urged from below by the spring force of the spring 10 to come into contact with the rotating peripheral surface of the feeding roll 5 and adhere to the surface. When the feeding groove 4 passes through the cleaning brush 6 while removing the contaminated foreign matter, the cleaning brush 6 biased from below is brought into contact with the inner part of the feeding groove 4 to remove accumulated seeds and foreign matters. Since the capacity of the feeding groove 4 does not change and the seeding amount is maintained at the set amount, sowing accuracy is improved.

In addition, the labor for cleaning the inside of the feeding groove 4 is reduced.
Further, since the tension of the spring 10 can be changed by rotating the nut 56, the tip of the cleaning brush 6 can be brought into contact even if the depth of the feeding groove 4 and the diameter of the feeding roll 5 are changed depending on the sowing conditions. The cleaning accuracy of the feeding groove 4 and the feeding roll 5 is improved.

  Further, when the contact pressure between the tip of the cleaning brush 6 and the feeding groove 4 and the feeding roll 5 is too high and the cleaning brush 6 is worn too early, or when the feeding groove 4 and the feeding roll 5 are scratched, the spring 10 is used. Since the urging force can be weakened to reduce the contact pressure, the member is less likely to be worn or damaged, and the durability is improved.

  As another example of the above configuration, as shown in FIGS. 9A and 9B, support plates 80 are provided at the left and right side lower portions of the roll case 48, and a cover plate 81 is provided between the left and right of the support plates 80, 80. Provide. A notch 82 is formed in the front part of the body of the lid plate 81, and the lid plate 81 is formed in a U shape in plan view.

  Then, L-shaped mounting plates 85 and 85 that are long in the front-rear direction are fixed with bolts 86 on the lower surface of the cover plate 81 and on the left and right sides of the notch 82, respectively, and between the left and right mounting plates 85 and 85. A rotating shaft 87 is attached to the. In addition, a plurality of rotation support plates (rotation support portions) 83 are provided on the rotation shaft so as to be rotatable up and down. Torque springs 84 are arranged on the rotation shafts 86 respectively. A bifurcated interval portion into which the torque spring 84 enters is formed on the base side of the rotation support plate 83.

  Further, a cleaning brush 6 is provided at the front end of each of the rotation support plates 83... And the upper ends of the plurality of cleaning brushes 6 are disposed so as to protrude upward within the lateral width of the notch 82. The vertical movement mechanism C may be configured.

  In addition, it becomes the structure located under the said cover plate 81 except the front-end part of rotation support plate 83 .... Further, on the side of the rotation support plate 83 to which the cleaning brush 6 is attached, plate notches 83a... In which a space is formed between the adjacent rotation support plate 83 and the attachment plate 85 are formed.

  At this time, as shown in FIG. 13, a width adjusting roll 91 that adjusts the left and right width of the feeding groove 4 is provided on the outer peripheral surface of the feeding roll 5, and an adjusting rotating shaft 92 in which the male screw groove of the width adjusting roll 91 is cut. Are provided in such a manner that the roll shaft 13 having the female screw groove and the screw groove are aligned with each other. The width adjusting roll 91 includes a base portion that moves in the left-right direction along the adjusting rotation shaft 92 by the rotation of the adjusting rotation shaft 92 separately from the feeding roll 5, and a left-right direction together with the base portion that is rotatable with respect to the base portion. It has a protruding part that moves. The protrusion is fitted into the feeding groove 4 of the feeding roll 5 and rotates integrally with the feeding roll 5.

In addition to this, an adjustment drive motor 93 is provided on the side of the adjustment rotating shaft 92 where the male screw groove is not cut.
With the above configuration, the plurality of rotation support plates 83 are urged upward by the torque springs 84 and the tip portions of the plurality of cleaning brushes 6 are always in contact with the surface of the supply roll 5, so that the supply roll 5 As a result, it is possible to remove contaminants by contacting the surface of the steel sheet, so that it is not necessary for the worker to clean, and the labor of the worker is reduced, and maintainability is improved.

  When the feeding groove 4 passes through the position where the plurality of cleaning brushes 6 are provided, the tip of the cleaning brush 6 is brought into contact with the inner part of the feeding groove 4 by the urging force of the torque springs 84. The seeds and impurities accumulated in the feeding groove 4 can be removed, the capacity of the feeding groove 4 is prevented from being reduced, and sowing accuracy is improved.

  Further, the upper portion of the rotation support plate 83 is covered with the lid plate 81, and the cleaning brush 6 is protruded upward from the notch portion 82 on the front end side of the lid plate 81 so as to be provided on the rotation support plate 83, Since seeds and impurities removed from the feeding groove 4 can be prevented from pouring onto the rotation support plate 83, labor required for cleaning the rotation support plates 83 is reduced, and maintenance is improved.

  In particular, since particles of the coating agent easily enter between the rotation support plate 83, the rotation shaft 86, and the torque spring 84 during the rotation operation, the lid plate 81 prevents the particles from pouring down. The support plate 83 moves up and down normally, and the removal of seeds and impurities is ensured. Since some coating agents have high corrosiveness to metals and resins, the durability of the seeding device 9 is improved if the present configuration prevents entry into fine gaps.

  Further, since the plurality of cleaning brushes 6 protrude upward from the cutout portion 82, when the tip of the cleaning brush 6 becomes worn and needs to be replaced, the operator can remove the cleaning brush 6 to be replaced. Since it can be pulled up and removed, the efficiency of replacement work is improved. The cleaning brush 6 has a configuration in which an attachment hole is formed at an end of the rotation support plate 83 and is inserted into the attachment hole.

  Further, since the rotation support plates 83 attached with the cleaning brushes 6 can be rotated separately, when the width width of the feeding groove 4 of the feeding roll 5 is changed using the width adjusting roll 91, the feeding is extended. The cleaning brush 6 penetrates into the feeding portion of the groove 4 as far as it will go to remove the seeds and impurities, and the portion of the cleaning brush 6 covered with the width adjusting roll 91 contacts the surface of the width adjusting roll 91. Even if the left and right width of the feeding groove 4 is changed, the cleaning brushes 6 enter into the inner part, so that accumulation of seeds and impurities is prevented and sowing accuracy is improved.

  In a configuration in which one cleaning brush 6 is provided across the left and right width direction of the feeding groove 4 or a configuration in which the cleaning brushes 6 divided into a plurality of parts rotate in conjunction with each other, the feeding groove 4 is used by using the width adjusting roll 91. If the left and right widths are changed, it will not be possible to enter the inner part of the feeding groove 4 just by hitting the width adjusting roll 91, and seeds and impurities will be accumulated inside the feeding groove 4, and the seeding amount will be set to the set amount. Unlike sowing, sowing accuracy decreases.

  As shown in FIG. 14, the cleaning brush 6 has a configuration in which a plurality of brush bristles are arranged in a square shape, even if one surface is worn by contact with the feeding groove 4 or the feeding roll 5, it is 90 degrees or 180 degrees. By changing the angle and attaching a non-wearing surface, it can be used up to four times, thus improving durability.

As shown in FIGS. 3 and 4, a duct chamber 57 is formed on the rear side of the machine body with respect to the feeding roll 5, and the rotation circumferential surface of the non-feeding action portion of the feeding roll 5 and the feeding groove 4 are formed inside the duct chamber 57. A blower for blowing air is provided. The blower is disposed substantially parallel phases blower duct 11 which rotates the sprocket 59 provided at one end receives the driving force from the PTO shaft 29 and the roll shaft 13 of the feed roll 5, air blowing duct 11 Are formed in a spiral shape, and a plurality of blow holes 16 are formed at equal intervals in the left-right direction on the rotating peripheral surface of the delivery duct 11. The outer peripheral duct 17 is provided so as not to rotate.

The blowing device is configured to send out cleaning air for removing fine particles to the feeding groove 4 of the feeding roll 5 when the blowing duct 11 rotates and the blowing hole 14 overlaps with the blowing hole 16.
With the above configuration, even if very fine particles that cannot be removed even if the tip of the cleaning brush 6 comes into contact remain in the feed groove 4, the air having a very fast flow velocity converged at the blow hole 14 and the blow hole 16. By feeding it in, it can be blown out of the feeding groove 4, so that it is prevented that foreign matters remain in the feeding groove, and the maintainability is greatly improved.

Further, since the remaining fine particles can be prevented from corroding the feeding roll 5, durability is improved.
When filling the sowing grooves formed by the groovers 19, 19 provided in each float 8 with the cover plates 62, 62 provided so as to be pivotable in the left-right direction behind the groovers 19, 19, Depending on the soil quality, the covering plates 62, 62 cannot carry the soil well, so that the seeding groove is left as it is and the seeds are left uncovered, and there is a problem that poor germination or poor growth occurs due to lack of nutrients or changes in temperature. .

  In order to solve the above problem, as shown in FIGS. 10 (a) and 10 (b), the embankment grooves 20 and 20 are provided in the front and rear direction on the bottom surface of each float 8 and on the sides of the grooves 19 and 19, respectively. It is set as the structure to form.

  An adjustment link arm 65 is rotatably provided on the rotation fulcrum of the left and right covering plates 62, 62, and a base portion of an adjustment wire 64 is provided at a connecting portion of the left and right adjustment link arms 65, 65. When the end of the adjustment wire 64 is driven, the adjustment wire 64 is pulled or loosened, and the left and right adjustment link arms 65, 65 are rotated in the left-right direction, and the left and right cover plates 62, 62 are rotated in the left-right direction. The configuration is such that it is connected to an adjustment motor 63 that adjusts the working width of the cover plates 62 and 62.

  In addition, although it is good also as a structure which adjusts the groove device 62 ... for six strips with one adjustment motor 63, if it is set as the structure which provides the one adjustment motor 63 per two strips, the action | operation width | variety of the covering boards 62 and 62 will be carried out per two strips. Since it can be adjusted, seed covering is more reliably performed.

  With the above configuration, when the sowing grooves 19 and 19 cut the sowing grooves in the field, the soil raised to the left and right enters the embankment grooves 20 and 20 and is raised to the field scene in a straight line. The soil filling the sowing groove can be secured and the seed is covered with the soil, so that it is prevented from causing poor germination and poor growth due to lack of nutrients or changes in temperature.

  Further, the adjustment wire 64 is connected to the adjustment motor 63, and when the adjustment wire 64 is pulled or loosened by the adjustment motor 63, the adjustment link arms 65 and 65 are rotated to adjust the cover plates 62 and 62. As a result, the operator does not have to go down to the side of the seeding device 9 to adjust the cover plates 62, 62, so that the work efficiency is improved and the labor of the worker is reduced.

  As shown in FIGS. 6 to 8, the monitoring device 12 constituted by the photographing device such as the CCD camera photographs the inside of the feeding groove 4 (step S <b> 1), and the controller 61 displays the photographed image according to the number of pixels or the like. When the analysis is made and it is determined that there are seeds and impurities inside the feeding groove 4, the controller 61 activates the notification device 60.

  The notification device 60 may be a device that turns on a notification lamp 60b provided on the handle post 32 or transmits a predetermined alarm signal from the buzzer 60a (S2). The monitoring device 12 is disposed at the end portion in the rotation direction of the feeding roll 5 at the discharge port 50 of the roll case 48.

  Next, mainly based on FIGS. 12 (a), 12 (b), and 12 (c), a V-shaped cross-sectional V-groove is formed between the spokes 66 of the rear wheel 2 on the traveling wheel surface of the rear wheel 2 rotations. The groove forming device 67 to be formed is detachably provided, and a groove cutting action is performed on the running trace of the rear wheel 2 to reduce the work resistance and to make a simple configuration. The groove forming device 67 is made of sheet metal, is positioned between the front and rear spokes 66, and is attached to the spokes 66 and the like with a fixture 68.

  A groove opening plate 69 that is inclined to the left and right sides is formed on the outer peripheral portion of the groove forming device 67, and a soil guide plate 70 that is folded back inward from both lateral sides of the groove opening plate 69 is formed. It is in the form of

  The outer peripheral edge 71 of the groove forming device 67 is formed at a triangular top edge and is formed to have a smaller diameter than the rotational outer diameter of the rear wheel 2 when attached to the rear wheel 2, and the groove forming device 67. Is made wider than the lateral width of the lug 72 of the rear wheel 2.

  Next, mainly based on FIG. 11, a rotary blade 76 that is rotatably fitted to the outer periphery of the lower end opening edge 75 of the seeding tube 44 is provided, and this rotary blade 76 is driven by a jet blown from the nozzle 46. By rotating, the intrusion of rainwater or the like into the seeding tube 44 from the opening edge 75 is prevented.

  The rotating blade 76 is fitted in a ring groove 77 formed on the outer peripheral surface of the opening edge 75 of the seeding tube 44 and is provided in a rotatable ring 78, and is rotated by a wind pressure injected from the nozzle 46. It is a form.

  A scraper 79 is formed at the lower end of the ring 78 and rotates along the inner peripheral surface of the opening edge 75 to scrape off water droplets and adhering seeds, so that water and soil adhere to the seeding tube 44. This prevents the seed from remaining in the sowing tube 44.

  In addition, the operator does not need to remove the water and soil in the seeding tube 44, and the labor of the operator is reduced.

DESCRIPTION OF SYMBOLS 1 Front wheel 2 Rear wheel 3 Car body 4 Feeding groove 5 Feeding roll (feeding rotary body)
6 Cleaning brush (cleaning member)
7 Feeding device 9 Seeding device 10 Spring (elastic member)
11 Blower duct (Blower member)
12 Monitoring Device 14 Blower Hole 16 Blowout Hole 17 Outer Perimeter Duct (Outer Perimeter Blower Member)
54 Brush arm (mounting member)
56 Nut (Adjustment member)
60 Notification device (notification member)
80 Support plate (support member)
81 Lid (connecting member)
82 Notch 83 Rotation support plate (second mounting member)
84 Torque spring (second elastic member)
C Cleaning brush vertical movement mechanism (cleaning member vertical movement mechanism)

Claims (7)

In a seeding machine provided with a seeding device (9) provided with a feeding rotary body (5) having a feeding groove (4) formed on a rotating peripheral surface at the rear part of the traveling vehicle body (3), the feeding rotary body (5) A seeder having a cleaning member (6) in contact with a rotating peripheral surface of a feeding rotary body (5) in a non-feeding action part from feeding a seed to receiving a next seed. The seeder according to claim 1, further comprising a resilient member for biasing the cleaning member (6) toward the feeding rotary body (5) . A groove width adjusting member (91) for adjusting the left and right width of the feeding groove (4) of the feeding rotating body (5) is provided, and a plurality of cleaning members (6) are arranged in the left and right width direction of the feeding groove (4). The seeder according to claim 1 or 2, further comprising a cleaning member vertical movement mechanism (C) for individually moving the cleaning member (6) up and down . Sowing machine according to any one of claims 1 to 3, characterized by being configured to square the cleaning member (6). Attaching a cleaning member (6) to the pivotable mounting member (83), the mounting member (83) and the cleaning member (6) the feeding rotary body (5) Cleaning provided resilient member for biasing the side member vertical The moving mechanism (C) is configured , the lid (81) is provided above the mounting member (83), and the cleaning member (6) is disposed inside the notch (82) formed in the lid (81). sowing machine according to any one of claims 1 to 4, characterized in that the. In the non-feeding action part from the time when the feeding rotary body (5) feeds the seed until the next seed is received, a blowing device for blowing air to the feeding groove (4) is provided, and the blowing device is a blowing hole (14 ) And a blower hole (16) provided in a non-rotatable manner on the rotation peripheral surface of the blower member (11) at equal intervals in the left-right direction. The seeder according to any one of claims 1 to 5 , wherein the seeder is configured by (17), and the air is sent out when the blower hole (14) and the blowout hole (16) are superposed. . A monitoring device (12) for monitoring the feeding groove (4) is provided at a non-feeding action portion from the feeding rotator (5) feeding the seed to receiving the next seed, and the monitoring member (12) is fed to the feeding groove ( 4) The seeder according to any one of claims 1 to 6, wherein when the seed remaining in the seed is detected, the notification member (60) is activated.

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