JP2013110984A - Sowing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sowing machine having a simple constitution in which in a raising seedling box having a prescribed width size used for a seedling transplanter, a stable treatment in a large amount is enabled while securing operability of supply of raising seedling boxes and taking out after seeding.SOLUTION: The sowing machine includes a carrying device (2) for receiving the raising seedling box at its one end, which is used for a seedling transplanter and comprises a rectangular shallow bottom container having a prescribed width size, and operation devices (6, 7, 8) for performing bed soil packing, seeding and soil covering in the raising seedling box on a conveying path. The carrying device (2) is formed in a width size for a plurality of conveying lines for conveying a plurality of raising seedling boxes in a vertically long posture in parallel. The operation devices (6, 7, 8) are constituted in the range of the width size as action width so as to simply and stably treat each conveying line.

Description

  The present invention relates to a seeder that includes a transporting device equipped with a working device such as a floor soil filling device, a seeding device, and a soil covering device, and sows a seedling box for a seedling transplanter.

  The seedling raising box is a predetermined rectangular shallow container for forming mat seedlings having a predetermined width size suitable for a seedling transplanter. In order to sow the seedlings in such a seedling box, the sowing machine, as described in Patent Document 1, on the transporting path of the transporting device such as a belt that transports the seedling box along the transporting direction, the seeding device, sowing There is known an example in which a work device such as a device or a soil covering device is provided, and a seedling box supply device is provided at one end of the transport path. The sowing machine having such a configuration is a stable structure that transports a rectangular seedling box in the longitudinal direction and supplies the seedling box and takes out the seeded seedling box in a stable manner along the transport process. Stuffing, sowing, covering soil, etc. are carried out in sequence and seedling preparation can be made.

  However, since the transport speed of the seeder is defined within the limits of the operation speed due to the accuracy of flooring, seeding, covering soil, etc. by each working device, it can be processed even if a seedling box having a predetermined width is continuously supplied. Therefore, if there is a limit to the capacity, and work that exceeds the processing capacity of one seeder is required, multiple seeders need to be operated at the same time. There has been a problem in that the load on the worker due to the work is increased.

JP 2009-296971 A

  The purpose of the present invention is to sow seedling boxes of a predetermined width to be used in a seedling transplanting machine, sowing a large amount and stable treatment while ensuring the operability of feeding the seedling box and taking it out after sowing Is to provide a machine.

  According to the first aspect of the present invention, there is provided a transfer device (2) that receives at one end a nursery box that forms a rectangular shallow container having a predetermined width used for a seedling transplanting machine, and the nursery box on the transfer path. In the seeding machine composed of each working device (6, 7, 8) that performs soil filling, sowing, and covering, the transport device (2) is for double-row transport that transports a plurality of seedling boxes in a vertical orientation in parallel. Each of the working devices (6, 7, 8) is configured to have a width dimension and the range of the width dimension as an action width.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the transport device (2) includes a transport guide (12) of a seedling box between adjacent transport rows.

  The invention according to claim 3 is the invention according to claim 1 or claim 2, wherein the seeding device (7) includes a seeding roller (69) in which a feeding groove (69a) is formed, and the feeding groove (69a). ) Is divided into action widths for each transport row arranged in parallel.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the floor soil filling device (6) and the soil covering device (8) are for soil supply for supplying floor soil or soil covering. A feeding belt (55, 85) is provided, and a convex portion (55a) for restricting a soil supply range by the belt (55, 85) is provided at a position between adjacent conveyance rows.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the feeding device (2) is provided with a loading part (13) provided with a loading port (14) for each conveying row at one end of the conveying device (2); The other end is provided with an extraction portion (15) having an outlet (16) for each conveyance row, and the entire width (A) of the input port (14) is formed wider than the conveyance width of the conveyance device (2). The full width (B) of the outlet (16) is formed wider than the full width (A) of the inlet (14).

  The invention according to claim 6 is the invention according to claim 5, wherein the take-out portion (15) includes an take-out conveyance portion (32) that carries out accelerated conveyance at the other end of the conveyance device (2), and an end thereof. The extrusion member (33) which moves toward the left-right side and the left and right outlets (34) extending in the respective extrusion directions are formed.

  According to the first aspect of the present invention, the transfer device (2) is formed to have a width dimension for transferring a plurality of seedling boxes in a vertically long posture in parallel, and each working device (6) with the range of the width dimension as an action width. , 7, 8), when a plurality of seedling boxes corresponding to the width of the double row are placed at one end of the transfer device (2) in a vertically long posture along the transfer direction for each transfer row, The seedling boxes are transported for each row, and the working devices (6, 7, 8) for sowing the seedling boxes operate for the entire width range in parallel, so there is no need for a complicated configuration. Seeding work can be carried out efficiently in parallel by simple handling of each row.

  According to the invention according to claim 2, in addition to the effect of the invention according to claim 1, the transfer device (2) includes the transfer guide (12) of the seedling box between the adjacent transfer rows. Since the seedling box is guided for each conveyance row by the guide (12), stable conveyance by the vertically long posture is ensured.

  According to the invention according to claim 3, in addition to the effect of the invention according to claim 1 or claim 2, the seeding device (7) includes a seeding roller (69) in which a feeding groove (69a) is formed. Since the groove (69a) is divided and formed in the working width for each transport row arranged in parallel, the feeding groove (69a) for each row acts on the seedling boxes arranged in parallel, so that seeding without waste is possible.

  According to the invention according to claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, the floor soil filling device (6) and the soil covering device (8) are configured to supply floor soil or soil covering. Since the feeding belt (55, 85) for earth is provided and the convex portion (55a) for regulating the soil supply range by the belt (55, 85) is provided at the position between the adjacent conveyance rows, the rows arranged in parallel Since the soil supply at the intermediate position is regulated, it is possible to fill the soil without waste in the work of floor soil or covering soil.

  According to the invention according to claim 5, in addition to the effect of the invention according to any one of claims 1 to 4, the feeding unit (13) provided with a loading port (14) for each conveyance row at one end of the conveyance device (2). ) And an extraction part (15) provided with an outlet (16) for each conveyance row at the other end, and the entire width (A) of the inlet (14) is formed wider than the conveyance width of the conveyance device (2). Since the full width (B) of the outlet (16) is formed wider than the full width (A) of the inlet (14), the inlet (14) for the inlet (13) and the outlet (15) is formed. Is wider than the entire conveying width of the conveying device (2), and the entire width (B) of the outlet (16) is wider than the entire width (A) of the inlet (14). Operation space according to the handling load of the seedling box and the seedling box that has been sown and should be removed It is possible to improve the overall operability is ensured.

  According to the invention of claim 6, in addition to the effect of the invention of claim 5, the take-out part (15) has an take-out transport part (32) for speed-up transport at the other end of the transport device (2), and its Since the extrusion member (33) that operates from the end toward either the left or right side and the left and right outlets (34) extending in the respective extrusion directions are formed, the seedling box that has been sown is covered with the soil covering device (8). Is quickly pulled out by the take-out conveying unit (32) and pushed out by the push-out member (33) to the left and right take-out ports (34), so that an efficient take-out operation can be performed by securing an operation space for a plurality of workers. .

Top view (a) and elevation (b) of the seeding machine Elevation diagram showing the internal structure of the floor soil filling device Perspective view of main part of floor soil feeding belt Elevation view showing the internal structure of the seeding device Perspective view of main part of seed feeding roller Elevation showing the internal structure of the soil covering device Expanded plan view of the main part of the terminal part Seed disintegration processing chart

One embodiment of the present invention will be described below.
As shown in FIG. 1 as a plan view (a) and an elevation view (b), the seeding machine 1 is a transporting device 2 that transports, for example, a rectangular seedling box for paddy rice seedlings in one direction (right direction in the figure). Provided with a start end 3 for sequentially feeding the seedling box to the upper end along the transfer path by the transfer device 2, and a terminal end 4 for taking out the seedling box that has been sown at the lower end, Along the transport route, as a sowing operation device, a floor soil filling device 6 for filling the seedling box with floor soil, a seeding device 7 for sowing the seedling box, and a soil covering device 8 for covering the seedling box are arranged, respectively. It supports by the part 2a, 3a, 4a.

  In addition, rotating brushes 5a and 5a that rotate reversely at the outlets of the floor soil filling device 6 and the soil covering device 8 and a similar rotating brush 5a and an irrigation pipe 5b that irrigates the seedling box are arranged at the outlet of the seeding device 7. To do. Each of the rotating brushes 5a is formed to have a length that acts on the entire conveyance width, and the irrigation pipe 5b forms an irrigation nozzle except for the position between the conveyance rows arranged in parallel in the seedling box.

(Transport device)
The conveying device 2 is configured by a flat belt conveyor having a width dimension corresponding to a double row (two rows in the illustrated example) that conveys a plurality of seedling boxes arranged in parallel in a vertically long posture. By providing the conveyance guide 12 between the conveyance rows, the plurality of seedling boxes arranged in parallel are conveyed while being guided for each row.

(Starting part)
The start end 3 is configured in parallel with input conveyors 13 and 13 using parallel belts directed to the floor filling device 6, and is provided with a plurality of guide roller type input ports 14 and 14 so as to merge at the respective start end positions, By making the insertion opening width A wider than the entire conveyance width of the conveyance device 2, an empty space for raising the seedling box is secured.

(Terminal part)
The end portion 4 is composed of parallel take-out conveyors 15, 15 received from the soil covering device 8, and a plurality of guide roller type take-out ports 16, 16 are provided so as to spread from the end, and the take-out width B Is configured to be wider than the insertion opening width A, so that a space for taking out a seedling box that has been sown by a plurality of workers is secured. Further, seedling box drop prevention devices 16a and 16a are provided at rear ends of the outlets 16 and 16, respectively.

(Floor filling equipment)
As shown in an elevational view showing the internal configuration in FIG. 2, the floor soil filling device 6 stores a ground soil tank 54 for storing culture soil as floor soil, and a predetermined amount of floor soil in the floor soil tank 54. The floor soil feeding belt 55 that serves as a floor soil feeding tool that is fed out and dropped and supplied to the nursery box, the leveling brush 19 that serves as a leveling tool for leveling the floor soil overflowing on the nursery box, and the nursery box A floor soil pressure-removing roller 57 that serves as a floor soil pressure-reducing tool for compressing the floor soil. The soil pressure reducing roller 57 is arranged on the lower conveyance side of the leveling brush 19 and is configured such that the amount of floor soil fed can be adjusted by a gap adjusting adjustment lever (not shown) on the floor soil feeding belt 55.

  The transmission configuration of the floor soil filling device 6 will be described. The floor soil feeding belt 55 is driven by the floor soil feeding motor 20, and the leveling brush 19 is driven from the floor soil feeding belt 55 via the gear transmission mechanism. In addition, the floor soiling conveyance motor 17 is driven from the floor soiling conveyance motor 21 through the transmission chain 59 by the roller 61 on the lower conveyance side. The leveling brush 19 and the floor soil feeding belt 55 are rotationally transmitted in directions opposite to each other.

  As shown in the perspective view of the main part of FIG. 3, the floor soil feeding belt 55 is provided with convex portions 55a for restricting the soil supply range at positions between the transport rows arranged in parallel. This convex portion 55a regulates the soil supply range of the floor soil supply belt 55 and suppresses the soil supply at the inter-row position C in parallel arrangement, so that it is possible to fill the soil without waste in the floor soil filling operation. It becomes.

(Seeding equipment)
As shown in an elevation view showing the internal configuration in FIG. 4, the sowing device 7 intermittently delivers a seed tank 68 for storing seeds (seed seeds) to be seeded and seeds in the seed tank 68 by a predetermined amount. A seed feeding roller 69 serving as a seed feeding tool having a plurality of feeding grooves 69a to be dropped into the seedling raising box at a predetermined pitch on the outer periphery, and feeding the seed feeding roller 69 in contact with the outer peripheral surface of the seed feeding roller 69 A removal brush 70 that removes seeds overflowing from the grooves 69a, and a seed supply adjuster that adjusts a gap at the outlet of the seed tank 68 facing the seed feeding roller 69 to change and adjust a seed supply state to the seed feeding roller 69. A seed supply adjustment handle 72.

  The sowing unit transport conveyor 18 is arranged below the seed feeding roller 69 and covers the range between the position of the removal brush 70 and the sowing position at the outer periphery of the seed feeding roller 69 so that the middle of the process is set as the sowing position. A guide body (not shown) is provided so that seeds do not fall off from the feeding grooves 69a. Further, as shown in the perspective view of the main part in FIG. 5, the seed feeding roller 69 is formed by dividing the feeding grooves 69a... Into the left and right working widths for each of the transport rows arranged in parallel. Since the seeding grooves 69a... Act on the seedling boxes arranged in parallel, sowing without waste is possible.

  The transmission configuration of the seeding device 7 will be described. The seeding motor 65 is transmitted to the seed feeding roller 69 through the transmission chain 67, and is transmitted to the removal brush 70 through the first removal chain 73 and the second removal chain 74. Further, the power is transmitted to the lower roller 75 of the seeding section transport conveyor 18 via the transmission chain 71, and is transmitted from the lower roller 75 of the seeding section to the upper roller 76 via the transmission chain 77. By winding and transmitting the first removal chain 73 and the transmission chain 71 so as to intersect each other in a side view, the removal brush 70 and the seeding part transport conveyor 18 are rotated in the reverse direction with respect to the rotation direction of the seed feeding roller 69.

(Soil covering device)
As shown in an elevational view showing the internal configuration in FIG. 6, the soil covering device 8 rolls out the soil covering tank 84 for storing the soil to be covered with soil, and the soil covering in the soil covering tank 84 by a predetermined amount and falls to the seedling box. The covering soil feeding belt 85 to be used as a soil covering feeding tool, the leveling plate 86 serving as a leveling tool for smoothing the covering soil overflowing on the seedling box, and the gap on the soil covering feeding belt 85 are adjusted to change and adjust the amount of covering soil. A soil covering amount adjusting lever (not shown) serving as a soil covering amount adjusting tool is provided.

  The soil covering portion conveyor 28 is disposed below the soil covering feeding belt 85 to determine the soil covering position on the transport stroke, and the leveling plate 86 is disposed on the lower conveyance side of the soil covering position where the soil covering feeding belt 85 supplies the soil covering. Similarly to the floor soil feeding belt 55, the soil covering feeding belt 85 is provided with a convex portion (not shown) for regulating the soil supply range at a position between the conveying rows of the juxtaposed nursery boxes, so that there is no waste in the soil covering operation. The soil can be filled.

  The transmission configuration of the soil covering device 8 will be described. The soil covering belt 85 is driven by the soil covering motor 78, and is transmitted to the lower roller 81 on the transport side of the soil covering section conveyor 28 via the power transmission chain 80. Is transmitted from the roller 81 to the roller 82 on the upper side of the conveyance through the transmission chain 83. The transmission chain 80 is wound around and transmitted so as to intersect in a side view, thereby rotating the cover-covering feeding belt 85 and the cover-covering portion transport conveyor 28 in opposite directions.

  In the seeder 1 having the above-described configuration, one worker inputs two empty seedling boxes in parallel in a vertically long posture along the transfer direction from the input ports 14 and 14 at one end of the transfer device 2. The left and right parallel seedling boxes are transported integrally, and the seedling box seeding work devices 6, 7, and 8 act on the entire width of the seedling boxes to fill, sow, cover and cover the soil. By continuously taking out the seedling box from the other outlets 16 and 16 by two workers, it is possible to integrate the handling of a plurality of seedling boxes in parallel without requiring complicated handling and complicated configuration. Sowing work can be carried out efficiently.

(Another configuration example)
Next, a termination portion according to another configuration example will be described.
As shown in the enlarged plan view of the main part in FIG. 7, the end portion 31 includes a take-out transport portion 32 that performs speed-up transport at the exit of the soil covering device 8, and a pushing member 33 that operates from the end toward the left and right sides. 33 and left and right outlets 34, 34 extending in the respective extrusion directions. Ball conveyors 35 and 35 for receiving seeded seedling boxes are arranged at positions facing the pushing members 33 and 33, and the sensors 33a and 33a are arranged so as to push the reached seedling boxes in the direction of the respective outlets 34 and 34. The pushing members 33 and 33 are operated by the above.

  In the terminal portion 31 having the above-described configuration, the sowing seedling box having a large weight is quickly drawn out from the soil covering device 8 by the take-out conveyance unit 32, and the pushing members 33 and 33 sequentially put the seedling box into the left and right outlets 34 and 34. Since the extrusion is performed, an efficient take-out operation can be performed by securing an operation space for a plurality of workers.

(Sweet potato seedlings)
Next, a method for raising sweet potato seedlings will be described.
As shown in Fig. 8, the seedlings of the sweet potato seedlings were cultivated from the seed bud 90 to the normal size, and then cut at the lower line A all at once. A seedling 91 having a seedling height H of up to 15 cm after cutting along the line B is formed as a primary seedling. This primary seedling has a seedling height of 15 cm or less and is shaped like a bare seedling, which is planted by a general sweet potato seedling transplanter, and the rest is a secondary seedling of the seedling 92 at the outer peripheral portion having a low seedling height. The seedlings 93 are inserted and raised, and the seedlings 93 in the inner periphery including the nodes are inserted into the cells as tertiary seedlings to grow the seedlings.

  By the above seedling raising method, a large number of seedlings can be obtained without waste by using small deciduous seedlings and node bud seedlings generated from the seed pod 90, and it is possible to cope with the expansion of the cropping scale.

DESCRIPTION OF SYMBOLS 1 Sowing machine 2 Conveying device 3 Start end part 4 End part 6 Floor filling machine (working apparatus)
7 Sowing device (working device)
8 Soil covering device (working device)
DESCRIPTION OF SYMBOLS 12 Conveyance guide 13 Input conveyor 14 Input port 15 Extraction conveyor 16 Extraction port 31 Termination | terminus part 32 Extraction conveyance part 33 Extrusion member 34 Extraction port 55 Floor soil feeding belt 55a Convex part 69 Seed feeding roller 69a Feeding groove 85 Covering soil delivery belt A Input port Width B Outlet width C Position between rows

Claims (6)

A transfer device (2) that receives at one end a rectangular seedling container having a rectangular width of a predetermined width used for a seedling transplanter, and performs padding, sowing, and covering of the seedling box on the transfer path. In the seeder consisting of each working device (6, 7, 8),
The transfer device (2) is formed in a width dimension for double row transfer for transferring a plurality of seedling boxes in parallel in a vertically long posture, and each working device (6, 7, A seeder characterized by comprising 8).   The seeder according to claim 1, wherein the transport device (2) includes a transport guide (12) for a seedling box between adjacent transport rows.   The seeding device (7) includes a seeding roller (69) in which a feeding groove (69a) is formed, and the feeding groove (69a) is divided and formed in an action width for each of the transport rows arranged in parallel. The seeder according to claim 1 or claim 2.   The floor soil filling device (6) and the soil covering device (8) are provided with a feeding belt (55, 85) for supplying soil for supplying the floor soil or covering soil, and the soil supply range by the belt (55, 85) is reduced. The seeding machine according to any one of claims 1 to 3, wherein a protruding convex portion (55a) is provided at a position between adjacent conveyance rows.   A feeding unit (13) having an inlet (14) for each conveying row at one end of the conveying device (2), and an extraction unit (15) having an outlet (16) for each conveying row at the other end; The full width (A) of the input port (14) is formed wider than the transfer width of the transfer device (2), and the full width (B) of the outlet (16) is set to the full width (A) of the input port (14). The seeder according to any one of claims 1 to 4, wherein the seeder is formed wider.   The take-out portion (15) includes an take-out conveyance portion (32) that carries out accelerated conveyance at the other end of the conveyance device (2), and a push-out member (33) that operates from the terminal end to either the left or right side. 6. A seeder according to claim 5, wherein the seeder is formed from left and right outlets (34) extending in the respective extrusion directions.

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