JPH0721Y2 - Granules feeding device such as fertilizer applicator - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a granular material feeding device such as a fertilizer applicator, and can also be used for a fertilizer applicator of a seeder or a seedling planter.

[Conventional technology]

As a conventional example of this type, as shown in Japanese Patent Laid-Open No. 61-249310, a plurality of feeding rolls for adjusting the feeding amount by changing the groove length of the feeding groove provided on the outer peripheral surface are provided on the drive shaft. Side by side,
There is a granular material feeding device in which an adjusting device for adjusting the feeding amount of each of these feeding rolls is provided on a drive shaft.

[Problems of conventional technology]

However, in the above-mentioned conventional feeding device, the drive shaft is rotated by the operating tool for collectively adjusting the feeding amount of each feeding roll provided on the drive shaft and the independently adjusting device. Since there is no locking device for turning around when you do,
When the rotational force due to the load or vibration of the granular material acts on the feeding roll or the rotation of the driving shaft causes the feeding amount of each feeding roll to be adjusted incorrectly, the particulate material cannot be fed properly. There is.

[Means for Solving the Problems]

In order to solve the above-mentioned problems, this invention arranges a plurality of feeding rolls 2 on the drive shaft 24 in parallel so as to adjust the feeding amount by changing the groove length of the feeding groove 1 provided on the outer peripheral surface. In the granular material feeding device such as a fertilizer applicator, which is provided with an adjusting device 3 for adjusting the feeding amount of each feeding roll 2, an adjusting tool 29 for independently adjusting the feeding amount of each feeding roll 2 and the drive shaft 24 are provided in parallel. And an operating tool 34 for operating the adjusting shaft 5 engaged with each adjusting tool 29 to collectively adjust the feeding device of each feeding roll 2 and locking the rotation of the adjusting shaft 5. Locking device 6
And a granular material feeding device such as a fertilizer applicator.

[Action effect]

In this invention, each operation is performed by operating an adjusting tool 29 for independently adjusting the feeding amount of each feeding roll 2 and an adjusting shaft 5 provided in parallel with the drive shaft 24 and engaged with each adjusting tool 29. Roll 2
Since the operation tool 34 for collectively adjusting the feeding amount of the feeding rolls is provided, it is possible to easily and appropriately change each feeding amount of each feeding roll 2 and collectively change the feeding amount of each feeding roll 2. Can be done

Since the feeding roll 2 is provided in parallel with a plurality of drive shafts 24 arranged side by side, a locking device 6 for locking and rotating the adjusting shaft 5 engaging with each adjusting tool 29 is provided. After the feeding amount is changed, the feeding amount of each feeding roll 2 is changed when the rotating force due to the load or vibration of the granular substance acts on each feeding roll during the feeding operation of the granular substance or when the feeding roll is rotated together with the drive shaft. It is possible to prevent the particles from being discharged, and it is possible to effectively feed out the granular material.

〔Example〕

Hereinafter, a seedling planting machine with a fertilizer application according to an embodiment of the present invention will be described with reference to the drawings.

The respective feeding devices 4 are mounted on the machine body 8 of the seedling planting device 7, arranged side by side in a lateral direction corresponding to the plurality of planting devices 9, and mounted on the support frame 10. Each feeding device 4 is provided with a tank 12 for storing fertilizer on the upper side of a case 11 on which the feeding roll 2 is mounted, and a funnel 1 for receiving the fed fertilizer and guiding it to the soil surface on the lower side.
3, pipe 14, etc. are provided. The planting device 9 is a planting case that is rotationally transmitted about the horizontal axis 15 in the lateral direction relative to the machine body 8.
At both ends of 16, the planting body 17 is provided so as to be rotatable around the horizontal axis 18, and the planting case 16 is revolved by the rotation of the horizontal axis 15 so that each planting body 17 is automatically transmitted in parallel. The seedlings supplied from the tank 19 are planted on the soil surface smoothed by the float 20. A pair of planting devices 9 are provided at both ends of the horizontal shaft 15. The crankshaft 21, which is gear-transmitted from the horizontal shaft 15, is configured to rotatably transmit the drive shaft 24 of the feeding roll 2 through the rod 22, the ratchet arm 23, and the like.
The feeding rolls 2 are arranged on both left and right sides of the drive shaft 24.
As described above, the feeding devices 4 are arranged together with the planting device 9 in a set of two groups in the lateral direction to form a base end corresponding to the number of seedlings to be planted.

The feeding roller 2 is slidable in the axial direction by arranging a groove roll 26 on the outer peripheral surface of which a feeding groove 25 is provided along the lateral direction at regular intervals and an adjuster 27 which fits into each feeding groove 25. Adjusting roll
The adjustment roll 28 is configured to move and adjust in the axial direction with respect to the groove roll 26 to change the length of the feeding groove 25 and adjust the feeding amount. This adjusting roll 28
An adjusting gear 29 as an adjusting tool is rotatably provided at the outer end of the rotatably and movably integrally engaged in the lateral direction.
From one side of the case 11 toward the feeding roll 2 side, the boss shaft 30
Is provided, the tip end of the drive shaft 24 is fitted inside the boss shaft 30 for bearing, and the adjustment gear 29 is attached to the outer screw part 31.
The adjustment roll 28 is screwed in and rotated to rotate the adjustment gear 29 to move and adjust the adjustment roll 28 in the axial direction.

The drive shaft 24 is provided so as to transmit the respective feeding rolls 2 between the pair of left and right feeding devices 4, and is provided so as to rotate in the feeding direction by the rotation of the ratchet arm 23 at an intermediate portion thereof. The transmission from the drive shaft 24 to each feeding roll 2 is provided with a clutch claw 32 at the outer end of the groove roll 26,
The clutch 33 engages the Clara claw 32 to turn the transmission on and off.

The adjusting shaft 5 is inserted through the respective feeding devices 4 along the drive shaft 24, and the operating tool 34 is provided on the outer end of the case 11 of the lateral feeding device 4 so as to rotate integrally. 5 is movably provided to the outer end against the spring 35. A clip pin 36 is provided so as to project from the case 11 toward the inside of the operation tool 34, and a clip hole 37 provided on the inner surface of the operation tool 34 facing the clip pin 36 is fitted into the clip pin 36. Thus, the locking device 6 is configured to lock the rotation of the adjustment shaft 5 which is rotationally adjusted by the operation tool 34.

On the drive shaft 5, a gear 38, which is movable in the axial direction and faces the adjusting gear 29 of each feeding device 4, and which is wide in the axial direction, is disposed so as to rotate integrally, and the gear 38 is adjusted. The adjusting gear 29 is rotated and adjusted via each gear 38 by engaging the gear 28 and rotating the operation tool 34. Also, this gear 38 is a spring
It is possible to disengage the engagement with the adjustment gear 29 by moving it in the axial direction against 39, and by rotating the adjustment gear 29 by separating the engagement of the gear 38, the adjustment gear 29 becomes independent. Then, the feeding amount of the feeding roll 2 can be adjusted.

The case 11 portion facing the moving position of each adjusting gear 29 is provided with a scale 42 indicating the moving adjusting position of the adjusting gear 29. Furthermore, each adjusting gear 29 itself has a scale 40 so that the rotation adjusting position can be known. Is provided. However, the adjustment gear 29 is moved and adjusted to find a large adjustment amount of the opening degree of the feeding groove 25 on the scale 42, and further, the position of each adjustment gear 29 with respect to the gear 38 is rotationally adjusted while watching the scale 40. It can be adjusted. or,
A similar adjustment scale 41 is provided on the outer end surface of the operation tool 34.

43 is a seal provided at the end of the feeding roll 2 of the feeding roll 2 of the case 11, 44 is an engaging portion for engaging the axial movement of the adjusting roll 28 and the adjusting gear 29, and 45 is a float 20 provided with a fertilizing groove. A grooving device 46 for forming and guiding fertilizer from the pipe 14, is a brush.

During the seedling planting work, the planting body 17 is moved by the transmission of each planting device 9.
Separates the seedlings supplied from the seedling tank 19 and inserts them into the soil surface. At the same time, the drive shaft 24
Is rotated and the feeding roll 2 is rotationally transmitted via the clutch 33, the fertilizer in the tank 12 is fed to the funnel 10 by the feeding groove 1, and is fed from the pipe 14 to the side of the planting position by the grooving device 45. Fertilizer is applied to the fertilizer ditch.

When adjusting the amount of fertilizer application in each feeding device 4 by the same amount, the operation tool 34 is rotated in the direction to increase or decrease the amount. By the rotation operation of the operation tool 34, the clip hole 37 is disengaged from the clip pin 36 of the locking device 6, the adjustment shaft 5 is rotated, and the gears 38 are simultaneously rotated and meshed therewith. Each adjusting gear 29 that is rotating is rotated. By the rotation of the adjusting gear 29, the adjusting gear 29 is guided and moved to the screw 31, the adjusting roll 28 is moved in the axial direction, and the lateral length of the feeding groove 1 is adjusted by each adjusting member 27. When this adjusting operation is completed, the locking device 6 operates at the position of the operating tool 34 to lock the rotation of the adjusting shaft 5. Therefore, even if the adjusting gear 29 is rotated and the adjusting roll 28 is moved in the axial direction due to the feeding action or vibration of each feeding roll 2, the engagement between the adjusting gear 29 and the gear 38 of the adjusting shaft 5, Also, due to the locking by the locking device 6, the feeding amount does not change.

Further, when individually adjusting the feeding amount of each feeding roll 2, if the adjusting gear 29 of the feeding roll 2 to be adjusted is rotated, at this time, the adjustment gear 29 is resisted against the spring 39 along the adjusting shaft 5. The gear 38 is moved so that the engagement with the adjustment gear 29 is disengaged. When adjustment is completed, this gear is in that position
Engage 38 with adjusting gear 29.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIGS. 1 and 2 are front sectional views of a main part, FIG. 3 is a side sectional view of the main part, and FIG. 4 is a side view for explaining the operation. FIG. 5 is an exploded perspective view of an essential part, FIG.
FIG. 7 is a side view of a main part of a seedling planting machine with a fertilizer application, and FIG. 7 is a rear view of a main part of the seedling planter with a fertilizer application. In the figure, reference numeral 1 is a feeding groove, 2 is a feeding roll, 3 is an adjusting device, 4 is a feeding device, 5 is an adjusting shaft, 6 is a locking device, 24 is a drive shaft, 29 is an adjusting tool, and 34 is an operating tool. Show.

Claims (1)

[Scope of utility model registration request] 1. A plurality of feeding rolls 2 for adjusting the feeding amount by changing the groove length of the feeding groove 1 provided on the outer peripheral surface are arranged in parallel on a drive shaft 24, and the feeding amount of each of these feeding rolls 2 is adjusted. In a granular material feeding device such as a fertilizer applicator provided with an adjusting device 3 for adjusting, an adjusting tool 29 for independently adjusting the feeding amount of each feeding roll 2
And an operating tool 34 for operating the adjusting shaft 5 provided in parallel with the drive shaft 24 and engaging with each adjusting tool 29 to collectively adjust the payout amount of each payout roll 2, and the adjusting means A granular material feeding device such as a fertilizer applicator, which is provided with a locking device 6 for locking the rotation of the shaft 5.