JP4910540B2 - Powder application machine - Google Patents

Description

  The present invention, in a powder application machine that applies fertilizers, seeds and other powders, such as fertilizer and sowing machines, takes out and collects residues remaining inside the machine after application. This relates to a residue collection device, which eliminates clogging of collection and conveyance, and enables accurate and smooth removal and collection. Moreover, this application machine can also be made into the form used together as an application apparatus part of a seedling planting machine.

Multi-application form powder and granular material feeding devices are arranged side by side, and each residual discharge port of each of these feeding devices is connected to a recovery pipe for blowing and conveying, and the residue discharged by opening the shutter at each discharge port is recovered. A technique for providing an operation tool that switches between a collection shutter and a whole of the many shutters and opens and closes the shutter in a granular material applicator provided so as to be recoverable outside the machine through a pipe (for example, Patent Document 1). See).
Japanese Patent Application Laid-Open No. 2004-242635 (second page, first page, FIGS. 1 and 2).

  In the powder application machine of the multi-strip application form, when there are a plurality of operation tools to be operated for each of a plurality of shutters, the operation is complicated and easily causes an operation. If a large amount of residue is discharged to the recovery pipe at one time by this operation, the transport pipe is likely to be clogged.

The invention according to claim 1 is provided with the powder feeding device (1) of the multi-strip application form and the recovery pipe (3) blown by the blower fan (32). 1) Each residual discharge port (2) is connected to a recovery pipe (3) for blowing and conveying, so that the residue discharged from each discharge port (2) can be recovered outside the machine through this recovery pipe (3). In the provided granular material application machine, each residual discharge port (2) is opened / closed by the same operation tool (4), and provided with a shutter (5) set at different opening degrees in the collection and conveyance direction , The suction port (58) of the suction duct (57) of (32) communicates with the engine room, and an opening / closing valve (67) for sucking outside air is provided in the suction duct (57), and the shutter (5) is opened. Open / close valve (67) with operating tool (4) on the side Opening the wire (65) is provided, the configuration of the granular material application machine, characterized in that arranged at a position spaced apart from the rear wheel (15) of the closure by the closing valve (67). As the machine progresses, the powdered bodies are fed out by the respective feeding devices (1) and are applied in a multi-strip application mode. When this application work is completed, if there are powder particles remaining in each feeding device (1) , this residue is taken out of the machine and collected. At this time, the shutter (5) of each discharge port (2) is opened, but when the single operation tool (4) is operated in the opening direction, the shutter (5 ) of the discharge port (2) of all the feeding devices (1). ) Is opened to the same. And since the opening degree of each shutter (5) is previously set to a different opening degree for each discharge port (2) part, the recovery pipe ( To 3) . Thus, the residual granular material discharged | emitted from each discharge port (2) is conveyed and collect | recovered with the ventilation which flows through this collection | recovery pipe (3) .
The invention according to claim 2 is configured such that the shutter (5) is opened via the operation gear (45) and the pinion gear (43) which are engaged with each other by the operation of the operation tool (4), and the opening degree of the shutter (5) is The configuration is such that it is set to be large on the side of the blower fan (32) and small on the opposite side of the blower fan (32), and can be changed by changing the meshing position of the pinion gear (43) with respect to the operation gear (45). It is set as the granular material applicator described in 1.

In the first aspect of the invention, the shutters 5 of the multi-base parallel outlets 2 are set in advance so that the opening degree is set differently so as not to cause clogging of conveyance. When the operation tool 4 is opened, the shutters 5 can be simultaneously opened to the set opening degrees, so that there is no mistaken operation, partial forgetting operation of the shutter, etc. Therefore, the clogging of the collection and conveyance can be eliminated, and the operability can be simplified and facilitated. Moreover, dew condensation can be prevented by opening the on-off valve 67. Further, since the opening / closing port by the opening / closing valve 67 is arranged at a position separated from the rear wheel 15, the opening / closing port is not easily affected by the splash of muddy water splashed by the rotation of the rear wheel 15.
In addition to the effect of the invention of the first aspect, the invention of the second aspect can set the opening of the shutter 5 large on the blower fan 32 side and small on the opposite side of the blower fan 32, and the operation gear 45. Can be changed by changing the meshing position of the pinion gear 43.

Based on the illustrated example , a fertilizer application device is mounted on a seedling planting machine as a granular material application machine of the present invention, and seedlings are planted while fertilizing on the soil surface. A multi-planting seedling planting device 7 and a multi-row fertilizing fertilizer application device 8 are mounted on the rear portion of the tractor vehicle body 6. The vehicle body 6 has an engine 10 mounted on the lower side of the seat 9 and has a steering handle 12 at the front part of the step floor 11. The engine 10 transmits the transmission mechanism of the transmission case 13 at the front part, And it is comprised in the riding four-wheel drive driving | running | working form which drive-drives the rear-wheel 15. FIG. The fertilizer 8 is mounted on the rear side of the sheet 10 so that the fertilizer can be applied simultaneously with seedling planting. A PTO shaft 16 is taken out behind the mission case 13 and interlocked with the fertilizer application device 8, the seedling planting device 7, and the like. A lift link 18 in the form of a parallel link is connected to the rear frame 17 at the rear end of the vehicle body 6 so as to be rotatable up and down, and is provided so as to be turned up and down by expansion and contraction of a lift cylinder 19. Fertilization is performed above the rear frame 17. The device 8 is mounted.

The seedling planting apparatus 7, seedlings above the NaeUe frame 20 includes seedlings tank 21 for feeding accommodating the seedlings are nursery matted form, the rear end, fed from the seedling tank 21 A planting claw 22 for planting the plant by separating and holding the plant is arranged, and on the lower side, a seedling planting surface by the planting claw 22 is supported while sliding the soil surface while supporting the entire seedling planting device 7. A flat center float 23 and left and right side floats 24 are provided to form a multi-row planting form. The floats 23 and 24 are supported by the seedling planting frame 20 via a float arm 25 so that the float 23 can be adjusted up and down, and are supported so as to be rotatable up and down around the swing shaft 26 at the rear end of the float arm 25. In particular, the depth of the soil surface is detected by the swing of the center float 23, and the raising and lowering control valve of the hydraulic circuit for extending and retracting the lift cylinder 19 is switched and interlocked to control the raising and lowering of the seedling planting device 7 to control the soil surface. Regardless of the depth change, the seedling planting depth by the planting claws 22 is kept constant. The front end of the center portion of the seedling frame 20 is mounted on the hitch link 27 at the rear end of the lift link 18 via a rolling shaft 28 so as to be able to roll.

The fertilizer 8 guides the fertilizer fed by the rotation of the feeding roll 1 of the feeding device 1 that feeds the fertilizer that is a granular material, the feeding fertilizer, and the feeding fertilizer 1, and the surface of the soil surface. A fertilizer hose 31 that conveys and guides the fertilizer groove, a blower fan 32 that blows air to the fertilizer hose 31, a blower pipe 33, and the like are included. Each of these hoppers 29, the feeding device 1, the feeding roll 30, the fertilizer hose 31, the blower pipe 33, and the like are arranged in parallel in the lateral direction, and are configured so as to follow the row of seedling planting devices 7 in a multi-row planting form. . A blower fan 32 is provided at the lateral end of the row of these feeding devices 1 and the like, and is communicated with the blower pipe 33 and the recovery pipe 3 in the lateral direction so as to blow air. The blower pipe 33 is provided along the front lower portion of each feeding device 1, and the recovery pipe 3 that receives the residual fertilizer discharged from the discharge port 2 of each feeding device 1 and transports it laterally is provided on the rear side. Provide along the bottom. The blower fan 32 and the opposite end portion of the recovery pipe 3, a return hose 34 communicates, to the recovery of a predetermined container to transport the manure remaining in the feeding device 1 via the recovery pipe 3 be able to. A switching valve 35 is provided at a communicating branch portion from the blower fan 32 to the blower pipe 33 and the recovery pipe 3, and the changeover valve 35 is operated to blow air toward the blower pipe 33 during fertilization work. At the time of collection, switching air blowing guidance is performed so that air is blown to the collection pipe 3 side.

  In the feeding case 36 of each of the feeding devices 1, a feeding roll 30 is mounted by a roll shaft 37, and fertilizer supplied to the upper feeding chamber 38 by the rotation of the feeding roll 30 is fed to a feeding outlet 39 directly below. The fertilizer hose 34 is fed out. The roll shafts 37 of the respective feeding devices 1 are connected to each other by a roll interlocking shaft 40 and are transmitted and rotated through a part of the power source. A hopper 29 is communicated with the feeding chamber 38 of each feeding case 36 so that fertilizer can be supplied. A feeding shutter 41 is provided on the upper side of the feeding roll 30 in the feeding chamber 38. The feeding shutter 41 is opened when the feeding operation is performed, and the feeding shutter 42 is closed when collecting the residual fertilizer, and the hopper 29 is closed. The residual fertilizer supplied from the side is guided to be discharged to the rear discharge port 2 side. The discharge ports 2 formed on the rear side of the respective feeding chambers 38 are formed in a downward slope over the lower portion of the rear side, and the discharge ports 2 communicate with a series of recovery pipes 3. Each discharge port 2 is provided with a collection shutter 5 that is opened and closed by a horizontal shutter shaft. Each shutter 5 integrally has a pinion gear 43, and meshes with an operation gear 45 disposed on an operation shaft 44 that is pivoted in the lateral direction on the rear side of each feeding device 1. The recovery shutter 5 can be simultaneously rotated by meshing the operation gear 45 and the pinion gear 43 by manually rotating the lever operation tool 4 provided on the side. Further, when collecting the residue, each feeding device 1 can be rotated rearward around the support shaft 46 with respect to the rear frame 17, and the feeding chamber 38, the discharge port 2 and the like are inclined rearwardly downward. It is configured to be easily discharged. In order to tilt and rotate the feeding device 1, a connecting plate 49 in which a long hole 48 is formed between the bracket 47 on the rear frame 17 and the feeding case 36 and an engaging pin 50 fitted in the long hole 48. And the locking tool 51 grade | etc., Can be provided and the back inclination position (FIG. 4) of this feeding apparatus 1 can be maintained, or a regular feeding position (FIG. 3) can be fixed.

The recovery shutter 5 of each discharge port 2 communicating with the recovery pipe 3 is set to have a large opening on the side of the blower fan 32, and on the opposite side, the opening is appropriately reduced to each pinion gear. 43 is engaged with the operation gear 45. For example, in fertilization form of whole Hachijyo groups, large G the opening of the shutter 5 of each of the left and right Shijo group, in the form of changing the small S, the opening of the shutter 5 Shijo groups of the blast fan 32 side greatly G The opening degree of the shutter 4 on the opposite side to this is made small. When the operation tool 4 is rotated to the open side, it is opened while maintaining the relationship between the large G and small S opening degrees. Configure to close. The opening degree of each of the recovery shutters 5 can be changed and set sequentially for each one or several stripes. Further, the opening degree of the pinion gear 43 can be changed and adjusted by changing the meshing position of the pinion gear 43 with respect to the operation gear 45.

When fertilization is performed at the time of seedling planting operation, the switching valve 35 is operated to the recovery pipe 3 closing side to send the air blown by the blower fan 32 to the blower pipe 33 side, and the feed shutter 41 is opened to rotate the feed roll 30. Let By the rotation of the feeding roll 30, the fertilizer in the hopper 29 is fed from the feeding chamber 38 to the fertilizer hose 31 through the feeding outlet 39. Thus, the fertilizer delivered to the fertilization hose 31 from each delivery port 39 is sent out by the ventilation from the blower pipe 33 and blown into the seedling planting soil surface. When the fertilizer remaining in the fertilizer hoppers 29, the feeding chamber 38, etc. is taken out and collected after the seedling planting work is completed, the switching valve 35 is operated to guide the air blown by the blower fan 32 to the collection pipe 3 side, The collection tool 5 of each discharge port 2 is opened by operating the operation tool 4. At this time, the opening degree by the shutter 5 at each discharge port 2 is large G at the upper four bases in the transport direction of the recovery pipe 3 and small S at the lower four bases in the transport direction of the recovery pipe 3. At the same time, the residue is discharged, and the residue discharged to the recovery pipe 3 is smoothly conveyed by the wind pressure in the recovery pipe 3. Since the discharge amount from each discharge port 2 decreases along with the transfer direction, the transfer amount of the recovery pipe 3 does not become full, and is smoothly transferred without causing a stagnation or clogging of the transfer. It is taken out from the recovery hose 34 of the part. In such residue collection, the amount of residue in the discharge port 2 where the opening of the collection shutter 5 is set to be small may be large, but in this case, the discharge time of this portion will take a long time. Since the transport amount of the recovery pipe 3 is small, the discharge is performed promptly.

The blower fan 32 is driven by a motor 55, and a suction port 58 of a suction duct 57 connected to the blower case 56 is communicated with an engine room where the engine 1 is located to suck the heated air from the engine 10. And it is comprised so that it may ventilate to the ventilation pipe 33 and the collection | recovery pipe 3, and it maintains so that the flow of the fertilizer in these fertilization hoses 31, the collection | recovery pipe 3, etc. may be performed smoothly. Further, a humidity sensor 52 is provided at the end of the recovery pipe 3, and the humidity is detected by the humidity sensor 52 so that the humidity of the residual fertilizer discharged from the recovery pipe 3 is displayed on the monitor. To do. In this way, work is taken so as to take predetermined measures against clogging of the residue.

  Next, mainly based on FIG. 7, the operation tool 4 is configured in a combined form of the operation of the recovery shutter 5 and the operation of the air blowing switching valve 35 and is unified. A plate 60 integral with the shutter shaft 42 and a rotatable collection lever operating tool 4 are provided around the shutter shaft 42, and the engaging pin 61 of the operating tool 4 is inserted into the elongated hole 62 of the plate 60. The operating tool 4 is configured so as to rotate along a lever guide 64 that forms a rack 63. By connecting the operation tool 4 and the switching valve 35 via a wire 65 and a spring 66 and rotating the operation tool 4, the engagement pin 61 is moved from the fertilization position P to the elongated hole of the plate 60. The switching valve 35 is rotated from the fertilization position to the residue collection position side through the wire 65 and the like until the air supply switching position P1 that engages with the end of 63, and the air is sent to the recovery pipe 3. Further, when the operation tool 4 is further rotated, the plate 60 is rotated by the engaging pin 61, and the shutter shaft 42 is rotated to rotate to the recovery position P2 where the recovery shutter 5 is opened. Yes. Further, in the embodiment in which an opening / closing valve 67 for sucking outside air is provided in the suction duct 57 of the blower 56, the wire 65 is also connected to the opening / closing valve 67, and the switching valve 35 is turned to the residue collection position side. In addition, the on-off valve 67 is opened to suck in outside air. In this way, dew condensation can be prevented by opening the on-off valve 67 of the suction duct 57. Further, since the intake duct 57 is arranged close to the position of the rotation periphery of the rear wheel 6, the opening / closing port by the on-off valve 67 is arranged as far away as possible so as not to approach the position of the rear wheel 15 of the vehicle body 6. The muddy water splashed by the rear wheel rotation is set at a position that is difficult to receive.

The fertilizer hopper 29 is easily dewed. The fertilizer hopper 29 is connected to the suction duct 57 or an exhaust pipe that guides the exhaust of the engine 10. It can also be comprised so that condensation may be eliminated and smooth feeding of fertilizer may be performed by comprising so that the 29 inside may be heated.

Next, mainly with reference to FIG. 10, the in the form of placing on the rear step floor 70 on the rear side of the feeding device 1 sheet 9, and supplies the fertilizer to the driver in the fertilization hopper 29, the feeding device 1 may be stepped on the rear step floor 70 when it is tilted to the rear side around the support shaft 46. At this time, the rubber tube blast pipe 33 located on the rear step floor 70 is stepped on. , May deform or crush. Therefore, a lift lever 71 that is connected to the left and right feeding devices 1 is provided above the blower pipe 33 on the rear step floor 70. Each of the feeding devices 1 is rotated by holding the lift lever 71. Therefore, the driver does not step on the lift lever 71 by mistake, and the driver does not step on the blower pipe 33, thereby serving as a guard bar for the blower pipe 33.

  Next, mainly based on FIG. 11, the fertilizer hopper 29 of each of the feeding devices 1 is provided with a comb-like stirrer 75 so as to be rotatable around the stirring shaft 76, and can be rotated by operating a lever 77 at one end. Can move. The stirrer 75 is provided below the net 78 in the hopper 29 to pulverize the fertilizer lump. The stirring shaft 76 for each feeding device 1 is connected in the lateral direction, and a single lever 77 is provided on one end side thereof.

  Next, mainly based on FIGS. 12 and 13, the stirrer 75 of the hopper 29 is interlocked and rotated by the seedling planting lever 79 that moves the seedling planting device 7 of the seedling transplanter up and down. Is moved to the raising position of the planting position or the non-planting position to rotate the agitator 75 around the agitation shaft 76 in conjunction with the wire 80. Further, as shown in FIG. 13, the stirrer 75 formed in this comb shape can be swung along the direction of the stirring shaft 76. In this embodiment, a comb-shaped resistor 82 that is in contact with the stirrer 75 is provided along the hopper port 81 on the lower side of the stirrer 75 to enhance the effect of crushing the lump fertilizer. At the same time, the stirrer 75 can be stopped together with the resistor 82 to serve as a shutter for closing part or all of the hopper port 81.

The sectional side view of a feeding apparatus part. The sectional side view which shows the opening operation | movement of the collection | recovery shutter part. The side view of the feeding apparatus part. The side view which shows the operation state. The front view of the feeding apparatus part. The plan view. The interlock mechanism figure of the operation tool part which operates the collection | recovery shutter. The side view of a seedling transplanter. The plan view. The top view of the feeding apparatus part which shows a part another example. The front view and side view of a hopper agitator part which show another example. The side view which shows the operating state of the hopper stirrer part, and a front view. The top view of the hopper stirrer part which shows another example.

DESCRIPTION OF SYMBOLS 1 Feeding apparatus 2 Outlet 3 Recovery pipe 4 Operation tool 5 Recovery shutter 32 Blower fan 43 Pinion gear 44 Operation shaft 45 Operation gear

Claims (2)

While arranging the granular material feeding device (1) of the multi-row application form, a recovery pipe (3) blown by the blower fan (32) is provided, and each residual discharge port (2) of each feeding device (1) is provided. ) In communication with the recovery pipe (3) of the blower conveyance, and in the granular material application machine provided so that the residue discharged from each discharge port (2) can be recovered outside the machine through this recovery pipe (3), Each residual discharge port (2) is opened and closed by the same operation tool (4), and provided with a shutter (5) set at different opening degrees in the collection and transport direction, and a suction duct (57) of the blower fan (32). The intake port (58) communicates with the engine room, the intake duct (57) is provided with an open / close valve (67) for inhaling outside air, and the operation tool (4) is operated on the side where the shutter (5) is opened. The wire (65) that opens the on-off valve (67) Only, granule application machine, characterized in that arranged at a position separated a closure from the rear wheel (15) by on-off valve (67). The shutter (5) is configured to open through the operation gear (45) and the pinion gear (43) that are engaged with each other by the operation of the operation tool (4), and the opening of the shutter (5) greatly blows on the blower fan (32) side. 2. The granular material applicator according to claim 1, wherein the powder application device is configured to be small on the opposite side of the fan (32) and to change the meshing position of the pinion gear (43) with respect to the operation gear (45). .

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