JP2010193861A - Granular agrochemical applicator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that: for unloading or drying with air blow a residual granular agrochemical in a hopper, it needs an application duct for the agrochemical application and a duct for unloading it; in addition, a special air blow duct for blowing air from a fan to the hopper; this construction profile is bothersome, leading to higher applicator production cost. <P>SOLUTION: An applicator is provided, having the following construction: the bottom of a hopper 1 for putting a granular agrochemical therein is provided with an unloader 3 for unloading the granular agrochemical into an application pipe 2 and an ejection port 6 via which the granular agrochemical is directly ejected via opening an ejection shutter 4 into an ejection duct 5; there are also provided an application duct 8 through which the granular agrochemical is guided by air-blowing by a fan into the application pipe 2 and an air blow shutter for the duct 8. In the ejection port 6, a ventilation hole 10 enabling ventilation of air-blowing from the ejection duct 5 to the bottom of the hopper 1 is formed, and is also provided with an exhaust shutter enabling the exhaust port of the ejection duct 5 to be closed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  This invention is applied to a seedling planting machine, fertilizer application, seeding machine, control machine, etc., for applying fertilizer, sowing, spraying chemicals, etc. It relates to the device, and makes it possible to smoothly feed out the powder.

  In order to discharge the residual particulate matter in the hopper, a technique is known in which air is blown into the hopper by a blower, the granule in the hopper is dried, and the feeding is smoothly performed (for example, see Patent Document 1). It has been.

Japanese Patent Laying-Open No. 2005-304326 (page 3, FIG. 12).

  In addition to the application duct for application and the extraction duct for removal, in order to take out the residual powder of the hopper or to dry by air, a special air duct for blowing air from the blower to this hopper is constituted. The form is complicated in configuration and increases the production cost.

  According to the first aspect of the present invention, at the bottom of the hopper 1 that contains the granule, the feeding device 3 that feeds the granule to the application pipe 2 and the takeout shutter 4 are opened to take out the granule. A take-out outlet 6 is provided directly, and an application duct 8 for guiding air flow to these application pipes 2 by a blower 7 and this blower shutter 9 are provided, and at the take-out outlet 6 part, these take-out ducts 5 enter the bottom of the hopper 1. Ventilation holes 10 that allow ventilation are formed, and a discharge shutter 12 that can close the discharge port 11 of the extraction duct 5 is provided.

  When the powder agent is supplied to the hopper 1 to perform the application work, the powder device in the hopper 1 is fed to the application pipe 2 by driving of the feeding device 3, and the blower 7 opens the blower shutter 9. Is sent to the application duct 8 and ejected to each application pipe 2. The powder granule fed out by the blast of the application pipe 2 is applied to a predetermined position such as a soil surface. When the discharge shutter 12 of the take-out duct 5 is closed during such application operation, the air blowing pressure in the take-out duct 5 rises to the bottom of the hopper 1 through the vent hole 10 of the take-out port 6. While being blown, the powder agent being fed is blown and dried while rising in the hopper 1 from the bottom. Further, when the facility work is finished and the residual agent in the hopper 1 is taken out, the blower shutter 9 of the application duct 8 is closed and the blower is blown only to the take-out duct 5 side, and the discharge shutter 12 of the discharge port 11 is discharged. Is opened and the take-out shutter 4 of the take-out port 6 is opened, whereby the residual agent in the hopper 1 is taken out directly from the take-out port 6 to the take-out duct 5 and is taken out and collected from the discharge port by the wind pressure in the take-out duct 5. be able to.

  Further, although the extraction shutter 4 can be constituted by a net member or a panel material for forming the ventilation hole 10, in this embodiment, even if the extraction shutter 4 is in a closed state, the extraction shutter 4 The air is blown through the ventilation holes 10 formed in 4.

  According to the first aspect of the present invention, a special blower duct or the like is used to guide the blowing of air into the hopper 1 from the takeout duct 5 for taking out the residual agent through the vent hole 10 of the takeout port 6 part. It is not necessary to have a large structure, and can be made compact, simplified, and economical. Moreover, since the air blown into the hopper 1 blows the bottom portion upward from the outlet 6 side, the drying effect of the powder can be enhanced, and the feeding operation by the feeding device 3 is smoothly performed. be able to.

The side view of a fertilizer application hopper part. The plan view. The side view of the seedling planting machine which has a fertilizer. The plan view. The perspective view of the rear frame part which shows a part another example, and its side view. The perspective view of the rear frame part which shows a part another example, and its side view. The top view of the seedling tank part which has a line marker. The top view of the line marker part. The side view of the auxiliary seedling frame part which shows another example. The side view of the seedling transplanter which shows a part another example. The side view and the top view of the auxiliary seedling frame part. The perspective view of a transmission lever, and the top view of a lever guide part. The front view of an auxiliary seedling frame part, and the effect | action figure of this part. The front view of the auxiliary seedling frame part which shows the other example of a part, and one part expansion effect figure. The side view and some enlarged views.

  Based on the drawings, this powder application device will be described in the form used as a fertilizer application for a seedling planting machine. Arranged are a front wheel 21 and a rear wheel 22 which are driven by a hydraulic continuously variable transmission 19 and a transmission mechanism of a transmission case 20 by driving an engine 18 mounted under a seat cover 17 that supports the driver's seat 16. The center float 27, the side float 28, and the four-row planting are connected to the rear part of the tractor vehicle body 24 that is steered by the steering handle 23 via a lift arm 26 that is lifted and lowered by a lift cylinder 25. A seedling planting device 31 including a seedling tank 29 and a seedling planting claw 30 is mounted.

  A floor 32 is provided on the vehicle body 24, an auxiliary seedling frame 33 is disposed on the outer side of the front end, and a fertilizer 35 as a powder application device is mounted on the rear frame 34 at the rear end of the vehicle 24. To do. The seedling planting device 31 supports a seedling tank 29 that is inclined backward and downward so that it can be reciprocated to the left and right with respect to the seedling planting frame 36, and operates in a rotary configuration with respect to a seedling outlet 37 at the rear lower end of the seedling tank 29. The seedling planting claws 30 to be acted are applied to the soil surface to be leveled by the floats 27 and 28 while separating the mat seedlings. On the front side of the floats 27 and 28, scraping rotors 38 and 39 are arranged to scratch the soil surface. A ditching device 40 is provided at the leveling position of each float 27, 28, and a fertilizer groove having an appropriate depth can be formed on the leveled soil surface. The fertilizer is fed from the fertilizer 35 onto this ditching device 40. The application hose 41 that guides the powdered fertilizer to flow down is removed. The seedling planting by the seedling planting claw 30 is operated at a rear position of the groove producing device 40.

  Here, at the bottom of the hopper 1 that contains the powder, a feeding device 3 that feeds the powder to the application pipe 2 and an outlet 6 that opens the take-out shutter 4 and takes out the powder directly to the take-out duct 5. And an air duct 10 through which air is guided to the application pipes 2 by the air blower 7 and the air blowing shutter 9. The air outlet 10 that allows air to flow into the bottom of the hopper 1 from the air outlet duct 5 is provided in the outlet 6 part. And a discharge shutter 12 capable of closing the discharge port 11 of the extraction duct 5 is provided.

  When the powder agent is supplied to the hopper 1 to perform the application work, the powder device in the hopper 1 is fed to the application pipe 2 by driving of the feeding device 3, and the blower 7 blows air from the blower shutter 9. It is sent to the application duct 8 by opening and is ejected to each application pipe 2. The pulverized powder agent is applied to a predetermined position such as a soil surface by the blast of the application pipe 2. If the discharge shutter 12 of the take-out duct 5 is kept closed during such application, the air blowing pressure in the take-out duct 5 rises to the bottom of the hopper 1 through the vent hole 10 in the take-out port 6. While being blown, the powder agent being fed is blown and dried while rising in the hopper 1. Further, when the facility work is finished and the residual agent in the hopper 1 is taken out, the blower shutter 9 of the application duct 8 is closed and the blower is blown only to the take-out duct 5 side, and the discharge shutter 12 of the discharge port 11 is discharged. Is opened and the take-out shutter 4 of the take-out port 6 is opened, whereby the residual agent in the hopper 1 is taken out directly from the take-out port 6 to the take-out duct 5 and is taken out and collected from the discharge port by the wind pressure in the take-out duct 5. be able to.

  Further, although the extraction shutter 4 can be constituted by a net member or a panel material for forming the ventilation hole 10, in this embodiment, even if the extraction shutter 4 is in a closed state, the extraction shutter 4 Blowing is blown through the ventilation holes 10 formed in the 4 itself.

  The hopper 1 is formed to be horizontally long, and along the bottom of the hopper 1, a feeding device 3 corresponding to each seedling planting line is arranged so as to be driven in conjunction with the PTO shaft. An application duct 8 is provided on the front side of the feeding device 3, an extraction duct 5 is provided on the rear side, the left end portions of both the ducts 8 and 5 are joined, and the blower duct 42 communicates with the blower 7. 7 is driven. The blower shutter 9 is provided at the inlet of the application duct 8 and can be switched to blow or stop the application duct 8 by opening and closing. The take-out duct 5 is always in communication with the blower duct 42 and is in a blown state. The discharge duct 5 is provided with a discharge port 11 at the right end and has a discharge shutter 12 so that it can be opened and closed. The discharge shutter 12 is opened when the residual agent of the hopper 1 is taken out and discharged, and the residual agent taken out and carried out is accommodated in a predetermined container. Further, when the air is blown into the hopper 1 to perform the drying operation, the discharge shutter 12 closes the discharge port 11 to stop the exhaust air from the discharge port 11, and The air blowing action from the vent hole 10 into the bottom of each hopper 1 is effectively performed.

  The feeding device 3 is provided with a shaft 45 so that the feeding roll 44 can be rotationally driven immediately below the bottom feeding port 3 of the hopper 1, and a certain amount of powder is fed to the lower funnel 46 by the rotation of the feeding roll 44. . This funnel 46 is seen on the application pipe 2 and guides the feed powder granule down into the application pipe 2. The application pipe 2 for each feeding device 3 is provided at a rearward and downward inclination, and the front end communicates with the facility duct 8 and the application hose 41 communicates with the rear end. The granule fed to each application pipe 2 is blown from the application duct 8 and is carried into the application hose 41 by air blowing, and is blown out and applied to the groove forming portion by the groove forming device 40 of the floats 27 and 28.

  At the rear side of the outlet 43, an outlet 6 is formed to be inclined to the outlet duct 5 below the rear side, and an outlet shutter 4 is provided at the outlet 6. The take-out shutter 4 is closed when the take-out roll 44 is rotated to be taken out and opened when the residual agent is taken out and collected to the take-out duct 5 side after the take-out operation. Therefore, in the form formed from a net material that can be freely ventilated, a cutting plate or the like, the take-out shutter 4 is stopped from taking out the powder and the air is vented from the take-out duct 5 to the outlet 43 portion. Can be performed. By making this take-out shutter 4 into the form of a net or the like, the powder agent in the hopper 1 can be blown and dried from the delivery port 43, and the configuration can be simplified. Further, in the form in which the take-out shutter 4 is a simple shutter plate, a small vent hole 10 is formed in a part of the shutter plate, or a vent hole 10 that bypasses the take-out shutter 4 portion is formed. It can comprise so that ventilation may always be performed from the taking-out duct 5 to the delivery outlet 43 side.

  Next, mainly based on FIG. 5 and FIG. 6, a stay 50 is provided on the rear frame 34 at the rear end of the vehicle body 24 so as to protrude to a suitable width to the rear side, and the step plate 51 is disposed on the upper side as shown in FIG. 5. In addition, each application hose 41 of the fertilizer application device 35 can be supported as shown in FIG. The stay 50 can be configured as a plate material on the rear side of the rear frame 34, and can be configured in a loop shape.

  Next, mainly based on FIGS. 7 and 8, the seedling planting machine is equipped with a line marker 55 for applying a line as a running reference to the seedling planting soil surface. The line marker 55 is a rotatable ring. It is a form and can be lined by rotating in contact with the soil surface. Since the line marker 55 has a ring shape, when it is stored on the upper surface side of the seedling tank 29 when not in use, it has a large rotating diameter and comes into contact with the surface of the seedling tank 29, etc. The support arm 57 of the line marker 55 is provided in the rotation switchable B with respect to the marker arm 56 of the up-and-down rotation switchable C. When the line marker 55 is stored E, contact with or contact with the seedling tank 29 can be eliminated by switching and holding the rotation surface direction along the direction of the seedling tank 29 surface. . A support arm 57 which rotatably supports a ring 55 having a lug 58 on the outer peripheral portion is rotatably supported with respect to the tip end portion of the marker arm 56, and the hook portion 61 is supported by the marker arm 56 by the tension of the spring 60. The ring 55 can be engaged with the engagement holes 62 and 63 at two locations 56 so that the ring 55 can stand upright on the traveling soil surface or can be stored so as to be parallel to the surface of the seedling tank 29.

  Next, mainly based on FIG. 9, a spring plate 65 is provided on the bottom of the auxiliary seedling frame 33 to receive and support the empty tray so that the empty seedling tray can be taken out and the seedling tray 68 can be removed from the front side by an auxiliary operator. Facilitates supply and the like. The auxiliary seedling frame 33 is formed with stopper edges 66 on the four sides, provided with a spring plate 65 protruding in a mountain shape with an appropriate height at a position near the front part of the bottom surface, and a seedling tray 68 for accommodating mat-shaped seedlings on the upper side. When the spring plate 65 is received, the spring plate 65 moves down and the bottom bottom surface of the seedling tray is supported by the seedling shelf 67. However, when the seedling tray is empty, the spring plate 65 is lifted by the spring of the spring plate 65. Then, it is supported in a rearward and downward inclined shape.

  Next, mainly based on FIG. 10 and FIG. 11, the seedling rack 67 of the auxiliary seedling frame 33 is rotated up and down around the support shaft 73 to change the inclination angle, Or it is set as the form (FIG. 10) which is easy to perform the seedling removal action in a seedling tray. Further, a folding shelf 72 that is extendable or foldable is provided before and after the seedling shelf 67, and when not in use, the folding shelf 72 can be reduced or folded and stored.

  Further, as shown in FIG. 11, the seedling shelves 67 of the auxiliary seedling frame 33 are arranged at the front and rear, the folding shelves 72 that can be folded are provided on the front side and the rear side of each seedling rack 67, and the seedling tray 68 is not supported. At this time, the folding shelf 72 is rotated around the folding shaft 69 at the front and rear end portions of the seedling shelf 67 to be folded and overlapped to be stored. These foldable shelves 72 are formed in a loop shape with a round bar or the like so that they can be easily grasped and reduced in weight. In addition, a space 70 is appropriately formed between the front and rear seedling shelves 67, and protrusions 71 are fitted to the front and rear ends of the folding shelves 72 so as to be in a simple folded storage state. Can do.

  Next, mainly on the basis of FIG. 12, the lever guide 76 of the speed change lever 75 for shifting the trunnion shaft of the hydraulic continuously variable transmission 19 is moved from the neutral position N to the forward high speed position F at the “on the road” 77 position, “ Each marker of “Asada” 78 position and “Muruta” 79 position is attached and displayed in this order. The transmission lever 75 is provided with a pointer 80. It can be operated so as to maintain a low fuel consumption traveling state according to the number of revolutions of the engine 18 according to conditions such as on the road and in a farm field (Asada, wetland).

  Next, mainly based on FIGS. 13 to 15, a grippable handle 81 is provided on the rear driver's seat 16 side of the auxiliary seedling frame 33 so as to facilitate raising and lowering to the floor 32. The auxiliary seedling frame 33 has a mounting bracket 82 attached to the vehicle body 24 below the front and rear central part, and is configured to be attachable to either the left or right side of the floor 32. The handle 81 is attached to the auxiliary seedling frame. It can be mounted on either the front side or the rear side of 33. Further, the auxiliary seedling frame 33 is biased toward one side with respect to the mounting bracket 82, and the mounting bracket 82 is mounted on the outside of the floor 32, and the mounting bracket 82 is mounted on the outer side of the auxiliary seedling frame 33. 82 A seedling shelf 67 that supports the seedling tray is attached to the upper portion side by a bracket 83 and a support pin 84 that is inserted through the bracket 83. When the seedling shelf 67 is not supported, The storage posture K can be set by rotating upward around. At this time, a plurality of pin holes 87 for fitting the stopper pins 85 are formed in the bracket 83, and the stopper pin 85 is fitted by selecting the support posture L position or the storage posture K position of the pin holes 87. Match. The tip end portion 86 of the seedling rack 67 is engaged with the stopper pin 85, and the support angle of the seedling rack 67 can be switched to the support posture L or the storage posture K and maintained.

  The stopper pin 85 can be used in common with an attachment pin for attaching the handle 81 to the auxiliary seedling frame 33 as shown in FIGS. A bracket 88 is provided inside the auxiliary seedling frame 33 together with the bracket 83, and the stopper pin 85 is inserted and fitted between the pin holes 87 of the front and rear brackets 83, 88. The part 86 is engaged. The seedling rack 67 has an L-shaped cross-sectional shape, and the tip 86 is inserted into the space 89 between the brackets 83 and 88 and engaged with the stopper pin 85. The stopper pin 85 has a spring 90, and maintains the fitting state over the pin holes 87 of the brackets 83 and 88, and maintains the handle 81 in the attached state. By pulling the handle 81 strongly against the tension of the spring 90, the tip end portion of the stopper pin 85 is removed from the pin hole 87 of the bracket 83, and the latching position of the seedling shelf 67 is set to the support posture L or stored. The posture can be switched to K.

DESCRIPTION OF SYMBOLS 1 Hopper 2 Application pipe 3 Feeding device 4 Takeout shutter 5 Takeout duct 6 Takeout port 7 Blower passage 8 Application duct 9 Blower shutter 10 Ventilation hole 11 Outlet 12 Outlet shutter

Claims (1)

  At the bottom of the hopper (1) for storing the powder, the feeding device (3) for feeding the powder to the application pipe (2) and the take-out shutter (4) are opened to take out the powder (5 The take-out outlet (6) is provided directly to the application pipe (2) by the blower (7) and the application duct (8) and the blower shutter (9) are provided. The discharge duct (5) is formed with a vent hole (10) capable of venting into the bottom of the hopper (1), and a discharge shutter (12) capable of closing the discharge port (11) of the extraction duct (5). An apparatus for applying powders, characterized in that.

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