JP2014143975A - Seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seedling transplanter which, regardless of a type of fertilizer or a work condition, ensures a smooth transportation and application of the fertilizer to each line, discharges residual fertilizer effectively, and prevents clogging.SOLUTION: A seedling transplanter includes a seedling portion 13 for seedling a cultivated field which is vertically movably provided on a rear side of a vehicle body 5, and a fertilizer application device 17 having: a fertilizer application hopper 14 for storing fertilizer which is provided on an upper rear portion of the vehicle body 5; fertilizer feeding devices 15 for feeding fertilizer from the fertilizer application hopper 14; and a fertilizer application hose 16 for supplying fertilizer fed from the fertilizer feeding devices 15 to the cultivated field, in which outlets 18 for discharging residual fertilizer in the fertilizer application hopper 14 is provided in a vicinity of the fertilizer feeding devices 15, a discharge hopper 19 which is provided horizontally longitudinal on which the outlets 18 are positioned, and a discharge hose 22 is connected to a discharge opening 21 at a bottom edge portion of inclined bottom sides 20 of the discharge hopper 19.

Description

  The present invention relates to a fertilizer supply device for supplying fertilizer to a planting field in a seedling transplanting machine having a multi-planted seedling planting portion mounted on the rear side of a traveling vehicle body. The fertilizer can be taken out quickly.

  In a multi-planted seedling transplanter, fertilizer is fed out from the fertilizer installed at the rear of the traveling vehicle body by a predetermined amount and fertilized to the field where seedlings are planted, and fertilizer is fed through the fertilizer hose through the conveying air from the blower. When assisting conveyance or taking out the residual fertilizer of a fertilizer application apparatus outside, the technique (for example, refer patent document 1) which assists extraction conveyance by letting the conveyance air by a blower pass to this discharge hose is known. Yes.

JP 2008-220250 A

  In the fertilizer supply operation of the fertilizer application and the removal and discharge action of the residual fertilizer, depending on the type of fertilizer and work conditions etc., there may be a part where the fertilizer transport action is difficult to be performed, and transport clogging may occur, Fertilization workability is reduced, and there is a problem.

  For this reason, when discharging fertilizer from the fertilizer application, it is possible to stabilize the fertilizer transport in each duct by passing the wind generated by the blower through the duct for fertilizer transport. In the form of diverting air to the fertilizer hose or the discharge duct, there is a difference in the strength of the conveyance wind pressure and a decrease in the wind pressure, etc., resulting in partial clogging of the conveyance, resulting in fertilizer clogging, There is a problem that the growth of the crop becomes unstable and a long time is required for maintenance when removing the clogging.

  In addition, when removing the fertilizer remaining in the fertilizer hopper, a fertilizer bag is placed at the outlet of the discharge duct. If the grounding position of this fertilizer bag is limited to the lateral position of the seedling transplanter, Depending on the stop position, there is a problem that the fertilizer bag cannot be installed and the seedling transplanter must be moved.

  According to the first aspect of the present invention, a seedling planting portion 13 is provided on the rear side of the traveling vehicle body 5 so as to be movable up and down, and a fertilizer hopper 14 that accommodates fertilizer in the upper rear side of the traveling vehicle body 5, and the fertilizer hopper In a seedling transplanting machine provided with a fertilizer feeding device 15 for feeding fertilizer from 14 and a fertilizer feeding device 17 comprising a fertilizer hose 16 for feeding the fertilizer fed from the feeding device 15 to the field, a position near the feeding device 15 A take-out port 18 for discharging the fertilizer remaining in the fertilizer hopper 14 is provided, a take-out hopper 19 that is long in the left-right direction is provided on the take-out port 18, and the bottom end of the inclined bottom surface 20 of the take-out hopper 19 is discharged. A seedling transplanting machine characterized in that a discharge hose 22 was connected to the outlet 21.

  In the invention according to claim 2, a bag receiving base 24 for receiving a fertilizer bag 23 for containing fertilizer is detachably provided in the seedling planting portion 13, and a conveying wind for conveying fertilizer to the start end of the discharge hose 22 is provided. The blower 25 to be generated is provided, and the end portion of the discharge hose 22 is provided facing the fertilizer bag 23. The seedling transplanter according to claim 1, wherein the seedling transplanter is provided.

  The invention described in claim 3 is characterized in that a spiral blast guide groove 28 is formed on the inner peripheral surface of the fertilizer opening 27 at the tip of the fertilizer hose 16. A seedling transplanter.

  The invention described in claim 4 is a fertilizer that is provided with a helical shaft 29 that can be rotated in the fertilizer opening 27 at the tip of the fertilizer hose 16 and moves within the fertilizer hose 16 by the rotation of the spiral shaft 29. The seedling transplanting machine according to any one of claims 1 to 3, wherein the seedling transplanting machine is guided to the field.

  According to the first aspect of the present invention, a discharge duct 19 that is long in the lateral direction is provided below the plurality of outlets 18, and a discharge port 21 that connects a discharge hose 22 at the lowermost end of the inclined bottom surface 20 of the discharge duct 19. Since the remaining fertilizers for a plurality of fertilized strips can be quickly collected in one place with a simple configuration, the recovery operation of the remaining fertilizers can be performed efficiently.

  In particular, an extraction duct 19 is provided below each of the outlets 18, and a discharge port 21 and a discharge hose 22 are provided at the lowermost part of the extraction duct 19. The remaining fertilizer in the fertilizer hopper 4 can be dropped and flowed under its own weight, eliminating the need for an air blower mechanism or the like using the blower conveying air during this period, and reducing the clogging of residual fertilizer removal and discharge. In addition, maintenance can be facilitated.

  In addition to the effect of the invention of claim 1, the invention described in claim 2 is configured such that when taking out the residual fertilizer, the bag receiving base 24 for housing the residual fertilizer is used as a seedling at the rear end of the seedling planting portion 13. It is placed on the tank 9 and the fertilizer bag 23 is supported on the bag support 24.

  As a result, the rear side portion of the seedling tank 9 becomes widely vacant, so that there is no obstacle to the attachment of the bag receiving base 24 and the support of the fertilizer bag 23. The attachment / detachment and the attachment / detachment operation can be performed easily and easily.

  Further, since the discharge hose 22 facing the fertilizer bag 23 of the bag receiving base 24 is arranged to allow the conveying air generated by the blower 25 to flow, the fertilizer bag of the discharge opening 21 and the bag receiving base 24 is provided. The residual fertilizer can be discharged quickly by blowing air from the blower 25 regardless of the difference in height from the front and rear of the blower 25.

  And at the time of taking out the residual fertilizer after such seedling planting and fertilization work, since the fertilizer bag 23 is supported by the bag receiving base 24 on the seedling tank 9, this fertilizer bag 23 is used as the seedling planting section. Since it can be moved up and down with the lifting and lowering of 13 and can be transported, the labor of the operator is reduced.

  In addition to the effect of the invention described in claim 1 or 2, the invention described in claim 3 has a spiral shape on the inner peripheral surface of the fertilizer port 27 of the fertilizer hose 16 and the discharge port portion 30 of the drain hose 22. Since the blast guide groove 28 is formed, the flow of the conveying air that blows through the fertilizer hose 16 and the discharge hose 22 can be swirled, so that the fertilizer can be efficiently conveyed and the accuracy of fertilization is improved. , Residual fertilizer can be discharged efficiently.

  In addition to the effect of the invention described in any one of claims 1 to 3, the invention described in claim 4 is a fertilizer hose by rotating the spiral shaft 29 at the tip fertilizer opening 27 of the fertilizer hose 16. Since the fertilizer that moves in 16 can be forcibly supplied to the field regardless of soil resistance or the like by the rotation of the spiral shaft 29, the fertilizer is reliably supplied to the field, and the growth of the crop is improved.

  Further, even if the fertilizer opening 27 of the fertilizer hose 16 approaches the field during the seedling planting operation or is buried in the soil, the rotation of the spiral shaft 29 causes the fertilizer and mud to be clogged inside. Since it can be prevented, fertilization is performed smoothly and accurately, and the growth of the crop is further stabilized.

Side view of seedling transplanter equipped with wave breaker Top view of seedling transplanter equipped with wave breaker Front view of fertilizer application unit Side view of feeding device section of fertilizer application device Side view of seedling transplanter showing another embodiment Plan view of seedling transplanter showing another embodiment Front view of fertilizer application part of seedling transplanter showing another embodiment Side view of fertilizer hose tip fertilizer opening Side view of fertilizer hose tip fertilizer opening showing another embodiment Arrangement plan view of the scraper rotor

  The seedling transplanting machine shown in the present invention slides on the field while supporting the bottom of the seedling transplanting frame 6 on the rear side of the passenger car body 5 on which the front wheels 1, the rear wheels 2, the driver's seat 3, and the steering handle 4 are arranged. A flattened float 7, a seedling tank 9 for feeding the mat seedling supplied to the rear inclined tank surface 8, and a seedling fed to the seedling inlet 10 at the lower inclined lower end of the seedling tank 9 11 is connected to a seedling planting portion 13 having a multi-row planting shape, which is separated and held by the float 7 and planted in the field flattened by the float 7, and is connected to the rear end portion of the vehicle body 5. A fertilizer hopper 14 for storing fertilizer for fertilization, a feeding device 15 for feeding the fertilizer for the fertilizer hopper 14, etc., and a field where the fed fertilizer is planted by the seedling planting unit 13 via a fertilizer hose 16. A fertilizer application device 17 for fertilizing is attached to a seedling transplanter It has a configuration.

  An engine 31 is mounted at the center of the vehicle body 5, and a driver's seat 3 is provided on the upper side of an engine cover 32 covering the upper side. The driver's seat 3, the engine cover 32, a front steering post 34, and a steering wheel are provided. A center floor 35 is provided between the handle 4 and the vehicle body 5 for seedling planting operation. The side floor 36 is located on both the left and right sides of the center floor 35, the engine cover 32, the steering post 34, etc., and is formed long in the front-rear direction, and a fender portion 37 that covers the upper part of the rear wheel at the rear end. The driver is stepped on each of the floors 35, 36, and 39 to move forward and backward by feeding them to the rear floor 39 on the rear side of the driver's seat 3 to supply seedlings to the seedling tank 9. It can be performed.

  The interlocking structure from the engine 31 transmits a front-stage hydraulic continuously variable transmission 40 by belt transmission, and a main transmission operation of the hydraulic continuously variable transmission 40 transmits a sub-transmission transmission mechanism of the front transmission case 41 to The front wheel 1 that is mounted on the left and right outer portions of the axle housing 42 is driven to drive, and the rear wheel 2 that is mounted on the left and right outer portions of the rear axle housing 44 is driven to drive via the rear wheel interlocking shaft 43 that is taken out rearward. Further, in addition to the rear wheel interlocking shaft 43, the PTO shaft 45 can be taken out to drive the seedling planting portion 13, the fertilizer application device 17, and the like.

  At the front end of the vehicle body 5, an auxiliary seedling rack 38 is provided on the outer side of the side floor 36, and an auxiliary mat seedling for replenishing the seedling tank 9 is mounted. The tank surface 8 can be replenished to continue the seedling planting operation.

  The seedling planting part 13 receives mat seedlings on the tank surface 8 and feeds them along the rear inclined surface of the tank surface 8. It is driven by a lateral feed interlocking mechanism such as a lead cam 46 (see FIG. 10) of the seedling planting frame 6 so that it can be formed into a multi-row planting shape and can reciprocate left and right over a lateral interval equivalent to the single planting width. The The lower end of each tank surface 8 is provided with a feeding belt 47 that is intermittently driven every time the seedling tank 9 moves to the left and right lateral ends, and each time the seedling tank 9 is separated by the planting claws 11 by the feeding belt 47. The mat seedling layer can be fed to the upper surface of the seedling receiving guide 48 that forms the seedling outlet 10.

  At the seedling inlet 10 of the seedling receiving guide 48 at the lower end of the seedling tank 9 after tilting, the planting claw 11 of the planting device 13 in the form of a double crank mechanism has a planting trajectory line D that is substantially elliptical in side view. The planted seedlings are provided so as to be drawn and operated, and the planted seedlings addressed to a plurality of mat seedlings fed to the seedling inlets 10 are separated and held, and are planted in a field leveled by the lower floats 7.

  The float 7 is composed of a center float 7 arranged at the center of the seedling planting width, and side floats 7 and 7 arranged on both the left and right sides. When the soil tiller becomes deeper by swinging up and down, the lift cylinder 49 is extended to lift and rotate the lift link 50 to raise the seedling planting part 13 having the float 7 and the soil tiller becomes shallower. On the contrary, it is lowered and controlled to move up and down so that the seedling planting depth by the planting device 12 is maintained substantially constant.

  The seedling planting part 13 is connected to a rear frame 51 at the rear end of the vehicle body 5 via a lift link 50 in the form of a parallel link that is lifted and lowered by a lift cylinder 49, and can be lifted and lowered according to the state of the seedling planting field. The center part in the width direction of the seedling planting frame 6 is provided so as to be rotatable around the rolling shaft 53 with respect to the hitch link 52 at the rear end part of the lift link 50, and responds to changes in the field in the left-right direction. It is configured to be capable of rolling or rolling control.

  In addition, a cutting rotor 54 is provided on the front side of each float 7 of the seedling planting portion 13 to preliminarily crush the soil that is leveled by the float 7, while moving up and down substantially integrally with the seedling planting portion 13. , Can be used as an alternative.

  The lift link 50 is connected to the rear frame 51 at the rear end portion of the vehicle body 5 so as to be turned up and down. The rear floor 39 is laid on the upper end portion of the rear frame 51 on the rear side of the driver's seat 3. The fertilizer hopper 14, the feeding device 15, the blower 55, the blower duct 56, the fertilizer hose 16, and the like are mounted on the upper side of 39, and transmitted from the PTO shaft 45, and seedlings are planted by the planting device 12 It is a form of fertilizing in a field near the planted area.

  As shown in FIG. 1 to FIG. 4, the feeding device 15 of the fertilizer application device 17 includes a feeding roll 61 in which a feeding hole 60 for feeding fertilizer is fitted on the rotating peripheral surface to form a feeding roll shaft 62 in the horizontal direction. The fertilizer supplied to the upper fertilizer hopper 14 is fed to the lower outlet 58 of the feeding case 57 by the rotation of the feeding roll 61. Can do.

  Such fertilizer hoppers 14 are formed to be approximately as wide as the lateral widths of the seedling planting portion 13 and the seedling tank 9, and a partition wall is formed inside each feeding case 57 or appropriately. ing. A fertilizer hose 16 and a blower duct 56 are provided along the horizontal direction of the feeding cases 57 so that the feeding outlets 58 at the lower ends of the feeding cases 57 are viewed upward. The fertilizer fed into the fertilizer hose 16 is planted while opening and communicating with the start end portion of the fertilizer hose 16 receiving and transporting the fertilizer fed from the outlet 58 and branching from the blower duct 56 to each fertilizer hose 16. It is the form which can fertilize by carrying out a blast conveyance to the float 7 side of the attaching part 13. FIG.

  A fertilizer shutter 63 for supplying and stopping fertilizer is provided in the hopper opening 64 at the top of each feeding device 15, and the residual fertilizer removal outlet 18 formed on the rear side of the hopper opening 64 can be opened and closed. The takeout shutter 65 is provided.

  Here, in the vicinity of the feeding device 15, there are provided outlets 18 for taking out the residual fertilizer remaining in the fertilizer hopper 14 to the outside of the machine. A take-out hopper 19 that is widely formed along the direction in which the devices 15 are arranged is provided, and a discharge hose 22 is connected to a discharge port 21 at the lowermost end of the inclined bottom surface 20 of the take-out hopper 19 to take out residual fertilizer out of the machine. Provide as possible.

  When the seedling transplanting operation is performed by the seedling transplanting machine, the fertilizer in the granular form is supplied and accommodated in the fertilizer hopper 14, and the planting device 12 of the seedling planting unit 13 seeds the seedling fed from the seedling tank 9. Separated and held at the mouth 10 and planted in a flat field with the float 7. Fertilizer is applied to the field near the seedlings planted by the planting device 12 while the fertilizer is fed by the fertilizer application device 17.

  When there is residual fertilizer in the fertilizer hopper 14 or the feeding device 15 after this seedling planting operation, etc., the residual fertilizer flows down from each outlet 18 to the extraction duct 19 by opening the outlet 18. Then, the inclined bottom surface 20 at the bottom of the take-out duct 19 flows down to the discharge port 21 and is discharged to the discharge hose 22 to be taken out of the machine.

  In the feeding device 15, the outlet 18 is provided at the upper rear side of each feeding case 57 that houses the feeding roll 61, and after feeding by the rotation of the feeding roll 61, the upper fertilizer hopper 14 and the upper portion of the feeding chamber are arranged. The fertilizer remaining in the hopper port 64 and the like is taken out of the feeding device 15 by opening the take-out shutter 65 from the take-out port 18 formed on the rear side of the hopper port 64. An extraction duct 19 that is long in the lateral direction is formed. At the bottom of the take-out duct 19 where each take-out port 18 is viewed, a funnel-shaped downward slope is formed toward the discharge port 21 formed at the center, and the residual fertilizer taken out from each take-out port 18 is received. The inclined bottom surface 20 is caused to flow down and discharged from the discharge port 21 to the discharge hose 22.

  In the embodiment shown in FIGS. 1 to 3, the discharge hose 22 is a flexible hose and is guided from the lower side of the rear floor 39 to the lower side of the side step 66 at the side floor 36 side end side of the driver's seat 3. Then, the fertilizer bag placed under the side step 66 can be held and taken out and packed.

  Further, mainly based on FIGS. 5 to 7, a bag receiving base 24 for receiving a fertilizer bag 23 for containing fertilizer is detachably provided on the upper portion of the seedling tank 9, and the discharge port 21 of the take-out hopper 19 is connected. Then, the discharge port 26 of the discharge hose 22 that is discharged and conveyed by the blowing force of the blower 25 is put into the fertilizer bag 23 on the bag receiving base 24 to receive and store the residual fertilizer in the fertilizer hopper 14.

  When the residual fertilizer remaining in the fertilizer hopper 14 and part of the feeding device 15 is taken out of the machine as described above, the bag receiving base 24 is attached on the tank surface 10 of the seedling tank 9, and the bag receiving base 24 is attached to the bag receiving base 24. The fertilizer bag 23 is supported and the discharge port 26 of the discharge hose 22 is exposed.

  The residual fertilizer that has flowed down from each of the outlets 18 through the extraction duct 19 flows down from the discharge port 21 to the discharge hose 22, is discharged and conveyed from the blower 25 by air blowing, and is packed in a bag. Further, when seedling planting work is performed, the bag support 24 on the seedling tank 9 is removed, and mat seedlings are supplied to the tank surface 10 of the seedling tank 9 as in normal seedling planting work, so that seedling planting action is performed. Ready to do. At this time, the discharge hose 22 is removed or the discharge port 26 is moved to the storage position, and the blower 25 is stopped rotating.

  Further, in the seedling transplanting machine 15, the fertilizer is attached to the bag receiving base 24 that is attached and supported on the rear upper part of the seedling tank 9 with the discharge hose 22 for taking out the residual material facing the rear seedling planting part 13 side. The bag 23 can be mounted and the fertilizer bag 23 can be put into the discharge port 26 of the discharge hose 22 to accommodate the residual fertilizer.

  In this embodiment, the outlet of the blower 25 is communicated with the starting end of the discharge hose 22, and the fertilizer extracted from the discharge port 21 of the extraction duct 19 to the discharge hose 22 by the wind pressure of the blower 25 is transferred to the seedling tank. 9. Quickly transport to the upper fertilizer bag 23 side. Even if the seedling planting part 13 or the seedling tank 9 part is in the posture position raised by the lift cylinder 49, smooth and accurate bagging can be carried out by the blowing force of the blower 25.

  The bag support 24 placed along the upper side of the seedling tank 9 is supported substantially in parallel with the tank surface 8 of the seedling tank 9. A bag receiving edge 67 having an appropriate height is formed upward along the seedling receiving guide 48 and the bottom of the fertilizer bag 23 placed along the upper surface of the bag receiving base 24 is prevented from sliding down to the lower rear. To support.

  Such a bag pedestal 24 may be supported on the upper surface of the seedling tank 9 at either the left or right position, and the support position can be configured to be movable by supporting the bag pedestal 24 so as to be movable left and right. . Moreover, although the setting position of the bag pedestal 24 may be fixed by a fixing tool, it may be simply placed on the upper part of the seedling tank 9 so as to be detachable.

  Further, when the bag receiving base 24 is placed at a substantially central position of the seedling tank 9 width, the take-out duct 19 is a hose hole 68 through which the discharge hose 22 connected to the discharge port 21 at the substantially central position of the width is passed. Can be formed in the seedling tank 9, and the discharge hose 22 can be connected to the upper part of the back of the bag receiving base 24 as much as possible to reduce the fertilizer discharge conveyance resistance.

  As described above, the fertilizer transported by the fertilizer hose 16 is sprayed and applied to the field of traces leveled by the respective floats 7. Then, a groove forming action having an appropriate depth is performed, and the tip fertilizer opening portion 27 of the fertilizer hose 16 is seen above the groove forming portion. This fertilizer application part 27 is attached and supported to the float 7 with a mounting bracket or the like, and swings up and down integrally with the float 7 so as to always maintain a constant height position with respect to the field to be leveled and the grooved part. Or is adjustable.

Here, as shown in FIG. 8, a spiral blast guide groove 28 is formed on the inner peripheral surface of the fertilizer opening 27 at the tip of the fertilizer hose 16.
The fertilizer fed from the feeding device 15 is guided by wind through each fertilizer hose 16 and is sprayed and fertilized to a seedling planting field that is leveled by the float 7. A spiral blast guide groove 28 is formed in the fertilizer mouth portion 27 at the tip of the fertilizer hose 16, and the fertilizer is guided in a swirl form along the blast guide groove 28 and sprayed and fertilized. The

  Further, in the form in which the spiral blast guide groove 28 is formed in the discharge port portion 31 at the distal end portion of the discharge hose 22, the removal and discharge of the residual fertilizer is guided to the vortex form by the blast guide groove 28, and the fertilizer The bag 23 is vigorously charged.

  Then, mainly as shown in FIG. 9, a rotationally driveable spiral shaft 29 is provided in the fertilizer opening 27 at the tip of the fertilizer hose 16, and the fertilizer conveyed through the fertilizer hose 16 by the rotation of the spiral shaft 29 is provided. Guide fertilization to the field.

  The fertilizer fed from the feeding device 15 is guided by wind through each fertilizer hose 16 and is sprayed and fertilized to a seedling planting field that is leveled by the float 7. A spiral shaft 29 is driven and rotated in the fertilizer opening 27 at the tip of the fertilization hose 16, and the fertilizer ejected and conveyed is pushed to the field side by the rotation of the spiral shaft 29 to resist soil resistance and the like. Make sure to fertilize.

  Next, mainly based on FIG. 10, a disc 75 in the shape of a truncated plate is integrally or rotatably attached to the outer end of the rotor shaft 76 at the left and right outer ends of the scraper rotor 54. It prevents mudflow waves from propagating to the outside during cutting work so as not to disturb adjacent planted shoots.

  Further, in place of such a disk 75, a wave breaker 77 curved in an arc shape toward the rear inner side is provided in the seedling planting frame 6 part, and this wave breaker 77 is applied to the farm field to accompany the work traveling. By propelling forward, the mudflow waves generated by the scraper rotor 54 can be guided to the rear inner side, and propagation to the adjacent planted shoots can be reduced.

  The wave preventing plate 77 is attached to the outer end portion of the seedling receiving guide 48 of the seedling tank 9 facing the rear outer position of the substitute rotor 54 via a bracket 78. When the seedling planting part 13 is lowered to the seedling planting position, the wave breaker 77 approaches the seedling planting field and cuts into a high and undulating mudflow wave. Regulate the outward mud wave propagation.

DESCRIPTION OF SYMBOLS 1 Front wheel 2 Rear wheel 3 Driver's seat 4 Steering handle 5 Car body 6 Seedling frame 7 Float 8 Tank surface 9 Seedling tank 10 Seedling mouth 11 Planting claw 12 Planting device 13 Seedling planting part 14 Fertilizer hopper 15 Feeding device 16 Fertilizer application Hose 17 Fertilizer 18 Ejection 19 Extraction duct 20 Inclined bottom surface 21 Discharge port 22 Discharge hose 23 Fertilizer bag 24 Bag base 25 Blower 26 Discharge port 27 Fertilizer port 28 Spout guide groove 29 Spiral shaft 30 Discharge port

Claims (4)

A seedling planting part (13) is provided on the rear side of the traveling vehicle body (5) so as to be movable up and down, and a fertilizer hopper (14) for storing fertilizer in the rear upper part of the traveling vehicle body (5), and the fertilizer hopper ( 14) In a seedling transplanter provided with a fertilizer feeding device (15) for feeding fertilizer from 14) and a fertilizer feeding device (17) comprising a fertilizer hose (16) for supplying fertilizer fed from the feeding device (15) to the field.
An outlet (18) for discharging fertilizer remaining in the fertilizer hopper (14) is provided at a position in the vicinity of the feeding device (15), and an outlet hopper (18) that is long in the left-right direction on the upper side of the outlet (18). 19) A seedling transplanter characterized in that a discharge hose (22) is connected to a discharge port (21) at the lowermost end of the inclined bottom surface (20) of the take-out hopper (19).   A bag receiving base (24) for receiving a fertilizer bag (23) for containing fertilizer is detachably provided in the seedling planting section (13), and a conveying wind is generated to convey the fertilizer to the start end of the discharge hose (22). The seedling transplanter according to claim 1, wherein a blower (25) is provided and the terminal end of the discharge hose (22) faces the fertilizer bag (23).   The seedling transplantation according to claim 1 or 2, wherein a spiral blast guide groove (28) is formed on the inner peripheral surface of the fertilizer opening (27) at the tip of the fertilizer hose (16). Machine.   A rotationally driveable spiral shaft (29) is provided in the fertilizer opening (27) at the distal end of the fertilizer hose (16), and the fertilizer hose (16) is moved by rotation of the spiral shaft (29). The seedling transplanter according to any one of claims 1 to 3, wherein the fertilizer is guided to a field.

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