JPH077316U - Seed feeding device - Google Patents

Abstract

(57) [Summary] [Purpose] Each holding recess of the endless traveling body 37 by the seed retainer 53.
The seeds placed in the 38 can be conveyed while being held down,
Even in a work environment in which 30 is subjected to vibration, the seeds placed in each placement recess 38 due to the vibration of the vibration are
Prevents jumping out of the inside 38 and spilling from the conveyor 30. [Construction] The conveyor 30 has an endless traveling body 37 provided so as to be rotatable from a position below a discharge port 29 of a seed hopper 26 toward a seeding conduit 39. A large number of mounting recesses 38 for mounting the seeds A discharged from the discharge port 29 of the seed hopper 26 are formed on the outer peripheral portion of the endless traveling body 37 at predetermined intervals. A seed hopper (26) is arranged above the carry-in section (51) of the conveyor (30). A seed retainer 53 is provided along the traveling upper part 37a of the endless traveling body 37 to press the various children A placed in the respective mounting recesses 38 from above.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a seed feeding device, and relates to a device for sequentially feeding seeds to be sowed directly in a field or in a sowing groove formed in the field.

[0002]

[Prior art]

 Conventionally, as a seed feeding device of this type, for example, as described in Japanese Utility Model Application Laid-Open No. 62-153804, a seed supply hopper is provided, and a discharge port opened at the lower end of the seed supply hopper. A rotary brush provided with a feeding roll rotatably, a large number of horizontal grooves formed at intervals on the outer peripheral portion of the feeding roll, and a seed which is not stored in each of the horizontal grooves above the feeding roll. There is known a structure in which is freely rotatable.

[0003]

[Problems to be solved by the device]

 In the structure described in the above publication, in a working environment in which the rotating brush is not subject to vibration, various elements housed in a large number of horizontal grooves are sequentially fed out from the feeding portion by the rotation of the feeding roll, but the rotating brush does not vibrate. In the receiving work environment, that is, because this type of seed feeding device is usually mounted on the seeding machine to perform the seeding work, the rotating brush is often subjected to vibration. When the seeds are vibrated, the seeds stored in a large number of horizontal grooves due to the vibration may fly out from the horizontal grooves and fall off from the feeding roll, causing a stock stall. There's a problem.

The present invention has been made in view of the above circumstances, and in the case of a work environment in which the seeds placed in the respective mounting recesses of the conveyor can be conveyed while being pressed, and the conveyor is vibrated. However, the seeds placed in each mounting recess due to the vibration do not jump out of the mounting recess and spill from the conveyor.Therefore, sow seeds at various intervals in sequence. It is an object of the present invention to provide a seed feeding device that can prevent the plant from failing and can reliably prevent a stock-out condition.

[0005]

[Means for Solving the Problems]

 The seed feeding device of the present invention comprises a conveyor for placing a large number of seeds and conveying the seeds backward, a seed hopper having a discharge port for discharging the seeds to the carry-in portion of the conveyor, and a carry-out end portion of the conveyor. A seeding conduit for guiding the seeds carried out from the seeding part toward the sowing part, wherein the conveyor is provided in an endless manner so as to be rotatable from a position below a discharge port of the seed hopper toward the seeding conduit. The endless circular body has a row body, and a plurality of mounting recesses for mounting seeds discharged from the discharge port of the seed hopper are formed at a predetermined interval on the outer peripheral portion of the endless circular body, and the conveyor is carried in. The seed hopper is arranged at an upper part of the section, and the seed retainer is arranged along the upper part of the traveling of the conveyor to press the various kinds of the mounted child in the respective mounting recesses from above. is there.

[0006]

[Action]

 In the seed feeding device of the present invention, when the conveyor is rotated backward, various elements discharged from the discharge port of the seed hopper are sequentially mounted in the respective mounting recesses located at the upper part of the conveyor. These seeds are conveyed by the circulation at the upper part of the conveyor, and the upper part of the conveyor having these components is sequentially rotated along the seed retainer, and the seed retainer is While the seeds in each mounting recess are pressed from above, the upper part of the conveyor is conveyed along the seed pressing body, and these various children are carried out from the carry-out end of the conveyor into the seeding conduit. Are seeded in the seeding section.

At this time, since the upper part of the conveyor moves along the seed retainer, the various children not placed in the respective mounting recesses are excluded from the upper part of the conveyor by the seed retainer. Therefore, each child is carried out from the carry-out end of the conveyor into the seeding conduit at intervals of the respective mounting recesses.

[0008] Further, the various children received in the respective mounting recesses on the upper part of the conveyor are circulated along the seed retainer while being pressed by the seed retainer from above and on the upper part of the conveyor. Even if the conveyor is in a work environment where it is vibrated, the various elements placed in each mounting recess due to the vibration of the conveyor will fly out from each mounting recess even if the conveyor is in a working environment. It is prevented from spilling from the upper part of the conveyor, so that at the intervals of the respective mounting recesses, various pups are carried out sequentially from the carry-out end of the conveyor into the seeding conduit, and the seeding section is sown in order and seeded. One of the causes is eliminated.

[0009]

【Example】

 A configuration of an embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a machine frame, which has a main frame 2 which is long in the left-right direction, and a first transmission case 3 in the up-down direction is provided in an intermediate portion of the main frame 2. At the upper part of the first transmission case 3, there is provided a mission 5 in which an input shaft 4 is rotatably projected forward, and at the lower end of the first transmission case 3, there is a rotary cultivator body. 6 is rotatably mounted on the shaft, and the rotary tillage 6 is rotationally driven by the output from the mission 5.

Further, the first transmission case 3 is provided with a cover body 7 covering the upper part of the rotary tiller 6, and a soil-proof plate 8 is provided at the rear end of the cover body 7 in the front-rear direction. It is swingably supported. Further, the left and right lower arms 9 are integrally projected on both sides of the main frame 2 in parallel with each other toward the front, and the mast 10 is provided on the upper front portion of the first transmission case 3 in the upper front direction. It is projected integrally toward.

Next, the front end portions of the second transmission case 11 in the front-rear direction and the bracket (not shown), which are arranged parallel to each other, are integrally fixed to both end portions of the main frame 2, and Between the rear ends of the second transmission case 11 and the bracket, there is rotatably mounted a groove forming body 12 which forms the groove by arranging the cultivated soil cultivated by the rotary cultivating body 6 to form a groove. ing. Further, the second transmission case 11 and the bracket are connected by a connecting member (not shown).

The grooved body 12 has a rotary shaft 13 rotatably mounted between the rear ends of the second transmission case 11 and the bracket, and the rotary shaft 13 has a radius in the axial direction. A large number of abacus shaped drainage groove moldings 14 and a small number of abacus shaped seed groove moldings 15 are alternately arranged and fixed. Then, the grooved body 12 is rotationally driven by the output from the mission 5 via the interlocking medium in the second transmission case 11.

Next, the front ends of the front and rear supporting frames 16 which are horizontally disposed are integrally fixed to the rear ends of the left and right lower arms 9, and the rear ends of the left and right supporting frames 16 are integrally fixed. The parts are connected by a square pipe-shaped connection frame 17. Further, brackets 18 projecting downward are fixedly fixed to both ends of the connecting frame 17, and support rods 18a are horizontally arranged between the rear ends of the left and right brackets 18. A plurality of support frames 49 are vertically fixed at predetermined intervals in the axial direction of the support rod 18a. A plurality of sets of connecting plates 19 are provided in the length direction of the connecting frame 17 at intervals corresponding to the seeding groove forming bodies 15 of the groove forming body 12 and a pair separated from each other. Each is projected integrally toward the rear.

Further, a hopper support frame 20 is integrally fixed between the front side portions of the pair of connecting plates 19 of each set. Each of the hopper support frames 20 is formed in a substantially U shape in plan view with the front end closed, and the closing plates 22 are fixed between the lower ends of the left and right side plates 21 facing each other. A mounting piece 23 is integrally fixed between the vertical middle portions located at the rear ends of the side plates 21. Further, the rear end portions of the left and right side plates 21 that are continuous with the rear end portion of the closing plate 22 are formed as inclined edge portions 24 that are inclined rearward and upward. The lower end of the front side of each hopper support frame 20 has an inclined plate 25 that is inclined downward toward the rear side.

A seed hopper 26 is detachably fitted in each hopper support frame 20 and is supported by a front side plate 27 continuous with the inclined plate 25 and the mounting piece 23. Each of the child hoppers 26 has a bottom plate 28 formed at the lower end thereof with a discharge port 29, and the discharge port 29 communicates with each hopper support frame 20.

Next, a conveyor 30 is disposed between the pair of connecting plates 19 of each set so as to be inclined rearward and upward along the inclined edge portion 24 of each hopper support frame 20. Each of the conveyors 30 has a left and right conveyor frame 31 which is disposed between the pair of connecting plates 19 of each pair so as to be inclined rearward and upward, and the lower end portions of the left and right conveyor frames 31 of each pair. Are fixed to the pair of connecting plates 19, and the upper end portions of the left and right conveyor frames 31 of each set are connected and supported by stays 32 protruding from the pair of connecting plates 19.

A single drive shaft 33 common to each set is rotatably mounted between the lower ends of the left and right conveyor frames 31 of each set, and the upper ends of the left and right conveyor frames 31 of each set. A driven shaft 34 is rotatably mounted between the parts. Further, an endless traveling body 37 is provided between each drive roller 35 fixed to the drive shaft 33 located between the left and right conveyor frames 31 of each set and the driven roller 36 fixed to each driven shaft 34. The endless rolling body 37 is suspended freely, and a large number of mounting recesses 38 for mounting various kinds of the child A discharged from the discharge port 29 of the seed hopper 26 are provided on the outer periphery of the endless rolling body 37 at regular intervals in the front, rear, left and right. The opening is formed at.

Further, an upper end of a seeding conduit 39 which is long in the vertical direction is supported by a supporting member 40 between the rear ends of the pair of connecting plates 19 of each set. Each of the seeding conduits 39 has an upper conduit 41 supported by the pair of connecting plates 19, and an upper end portion of the upper conduit 41 introduces seeds facing the carry-out end of the conveyor 30. A mouth 42 is formed, and an upper end of a bellows pipe 43 is connected and fitted and fixed to a lower end of the upper conduit 41, and an upper end of a lower conduit 44 is attached to a lower end of the bellows pipe 43. Are connected and fitted and fixed, and at the lower end of the lower conduit 44, a seeding port 45 for seeding in a seeding portion, that is, a seeding groove formed by each seeding groove forming body 15, is opened.

The lower end of each lower conduit 44 is located at the rear of each seed groove molding 15 and slides along both sides of the seed groove formed by each seed groove molding 15. Float 46 is connected. Further, a supporting plate 47 is projectingly provided on the lower front side of each of the lower conduits 44, and each supporting plate 47 is vertically movable via a parallel link 48 to each supporting frame 49 connected to the supporting rod 18a. Supported by. The upper and lower ends of each parallel link 48 are pivotally supported by a support shaft 50 so as to be vertically rotatable.

Next, in the traveling upper part 37 a of the endless traveling body 37 of each of the conveyors 30, the various types of mounting placed in the respective mounting recesses 38 from the rear of the carry-in part 51 along the carry-out end part 52. A plate-shaped seed retainer 53 for pressing the child A from above is arranged, and a connecting piece 54 that rises upward is formed at the front end of each child retainer 53. It is attached to the mounting piece 23 of each of the hopper support frames 20 by bolts and nuts 55 so that the height positions thereof can be adjusted freely. It is arranged along the traveling upper portion 37a.

Therefore, each of the child retainers 53 is formed in a plate shape with an elastic member such as synthetic rubber or foamed urethane resin, and either one of the connecting piece 54 at the front end portion or the attaching piece 23 is formed. An insertion long hole through which the bolt is inserted is formed, and the connecting piece 54 and the attachment piece 23 are attached through the insertion long hole so that the height position can be adjusted. The traveling upper part 37a of the endless traveling body 37 of each conveyor 30 is slidably rotated along the various child pressing bodies 53.

Next, the operation of the above embodiment will be described.

The connecting portions of the left and right lower arms 9 and the connecting portion of the mast 10 are respectively connected to the three-point suspension mechanism of the tractor, and the input shaft 4 is connected to the PTO shaft of the tractor via the power transmission shaft.

Then, when the main seeder is pulled by the tractor and the input shaft 4 is rotationally driven through the power transmission shaft by the output from the PTO shaft of the tractor, the first transmission is performed by the output from the mission 5. The rotary tiller 6 of the case 3 is rotationally driven in the downcut direction, and the groove forming body 12 of the second transmission case 11 is rotationally driven in the same direction as the rotational direction of the rotary tiller 6, and The grooved body 12 is rotationally driven at a speed of slip rotation with respect to the tilled soil.

Further, the drive shaft 33 of each conveyor 30 is rotationally driven by an output from the mission 5 through an interlocking mechanism (not shown), and each endless traveling body 37 is rearwardly and upwardly moved by each drive shaft 33. It turns around in the direction of the arrow.

Then, the soil in the field is cultivated by the rotary cultivator 6, and the cultivated soil is formed by forming a plurality of deep drainage grooves in each drainage groove forming body 14 of the groove forming body 12, Moreover, in each of the seed groove forming bodies 15, a shallow seed groove is formed between the drain grooves of a plurality of rows.

Further, when the endless traveling bodies 37 of the respective conveyors 30 are respectively rotated rearward and upward, the seeds are provided in the carry-in section 51 located at the upper traveling portion 37a of the respective endless traveling bodies 37. Various seeds A discharged into the hopper support frame 20 from the discharge port 29 of the hopper 26 are carried in, and these seeds A are sequentially placed in the respective mounting recesses 38 of the carry-in section 51. The child A is conveyed backward by the circulation of the circulation upper part 37a of each endless circulation body 37.

Then, the upper traveling parts 37a of the respective endless traveling bodies 37 having these various children A are sequentially rotated along the seed retainer 53, and inside the respective mounting recesses 38 by the various infant retainers 53. While the seeds A are pressed from above, the traveling upper part 37a of each endless traveling body 37 is conveyed along various child pressing bodies 53, and these various kinds of child A are carried out at the carrying-out end portion 52 of each endless traveling body 37. From the sowing conduit 39 into the seed introduction port 42 of each sowing conduit 39, and sowing into each sowing groove from the sowing port 45 at the lower end of each sowing conduit 39.

At this time, since the upper traveling parts 37a of the endless traveling bodies 37 of the respective conveyors 30 travel along the respective seed pressing bodies 53, the respective upper traveling parts 37a of the endless traveling bodies 37 are mounted. The various children A that are not placed in the placing recessed portions 38 are excluded from the traveling upper portion 37a of the endless traveling body 37 by the various child pressing bodies 53, and therefore, at the intervals of the respective placement recessed portions 38 of each endless traveling body 37. Each seed A is carried out into the respective sowing conduit 39 from the carry-out end portion 52 of the endless traveling body 37.

Further, the various children A placed in the respective mounting recesses 38 of the traveling upper portion 37 a of the endless traveling body 37 of each conveyor 30 are pressed from above by the respective various child retainers 53. Since the conveyor 30 is transported by the upper traveling part 37a of the endless traveling body 37 that travels along the seed retaining body 53, even if the conveyor 30 is in a work environment where it is vibrated, the vibration of each end causes The various children A placed in the respective mounting recesses 38 of the traveling upper part 37a of the endless traveling body 37 jump out from the respective mounting recesses 38 and fall out from the upper traveling part 37a of the endless traveling body 37. Therefore, each child A is sequentially carried out from the carry-out end portion 52 of the endless traveling body 37 into each seeding conduit 39 at the intervals of the respective mounting recesses 38, and the seeding grooves are regularly seeded and not seeded. One of the causes of stock is eliminated.

Further, since each seeding conduit 39 has a bellows tube 43 in an intermediate portion, and a lower conduit 44 connected to a lower part of the bellows tube 43 is supported by a parallel link 48 so as to be movable up and down. When 46 moves up and down due to the unevenness of the sliding surface, the bellows tube 43 is expanded and contracted via the lower conduit 44 to prevent the upper conduit 41 from being pushed up by the vertical motion of the float 46.

Next, in the above-described embodiment, the case where the various presser foot members 53 are formed in a plate shape by using an elastic member such as synthetic rubber or foam urethane resin has been described, but the invention is not limited to this. As for 53, for example, the brush body 56 may be arranged at the traveling upper portion 37a of the endless traveling body 37 of the conveyor 30. In this case, a connecting piece 59 is provided at a substantially intermediate portion of the support plate 58 supporting the brush 57 of the brush body 56, and the connecting piece 59 is attached to the mounting piece 23 of the hopper support frame 20 to the bolt / nut 55. The height position can be adjusted freely.

With this configuration, various child pressing bodies 53 made of the brush body 56 are mounted in the respective mounting recesses 38 of the traveling upper portion 37a of the endless traveling body 37 as in the case of the above embodiment. Each child A that is not placed is excluded from the traveling upper part 37a of the endless traveling body 37 by each child presser body 53, and even in a work environment where the conveyor 30 is vibrated, the vibration of the child A can be reflected. The various children A placed in the respective mounting recesses 38 of the traveling upper part 37a of each endless traveling body 37 jump out from the respective mounting recesses 38 and the traveling upper part of the endless traveling body 37. It prevents falling down from 37a.

[0035]

[Effect of device]

 According to the present invention, the conveyor has an endless traveling body which is provided so as to be rotatable from a position below the discharge port of the seed hopper toward the seeding conduit, and the outer periphery of the endless traveling body has a predetermined interval. A plurality of mounting recesses for mounting seeds discharged from the discharge port of the seed hopper are formed, and the seed hopper is disposed above the carry-in part of the conveyor, A seed retainer was arranged along the upper part of the conveyor to press the various elements placed in each of the recesses from above, and this seed retainer was used to mount each recess of the endless traveling body of the conveyor. The seeds placed inside can be conveyed while being pressed down, and even in a work environment where the conveyor is subject to vibration, the seeds placed in each placement recess due to the vibration of the conveyor will be placed in the placement recess. It does not jump out of the inside and fall from the conveyor. Therefore, the each seed can be sequentially seeded at a predetermined interval, it is possible to reliably prevent Ketsukabu state.

[Brief description of drawings]

FIG. 1 is a side view of a seed feeding device according to an embodiment of the present invention.

FIG. 2 is a side view of a seeding machine equipped with the same seed feeding device.

FIG. 3 is a side view of a seed feeding device showing another embodiment.

[Explanation of symbols]

 26 Seed hopper 29 Discharge port 30 Conveyor 37 Endless traveling body 37a Circulation upper part 38 Placement recess 39 Seeding conduit 51 Loading part 53 Seed holder A Seed

Claims (1)

[Scope of utility model registration request] 1. A conveyor for placing a large number of seeds and conveying the seeds rearward, a seed hopper having a discharge port for discharging seeds at a carry-in portion of the conveyor, and a carry-out end portion for carrying out the seeds. A seeding conduit for guiding seeds toward a sowing section, wherein the conveyor has an endless traveling body rotatably provided from a position below a discharge port of the seed hopper toward the seeding conduit. However, a large number of mounting recesses for mounting seeds discharged from the discharge port of the seed hopper are formed at a predetermined interval on the outer peripheral portion of the endless traveling body, and above the carry-in portion of the conveyor. The seed hopper is disposed at a position, and a seed retainer is provided along the upper part of the traveling of the conveyor, which presses the various kinds of the children placed in the respective placement recesses from above. apparatus.