JPH0661166B2 - Fertilizer seeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention provides a rotary cultivator at the rear of a tractor, and further at the rear of the rotary cultivator for performing fertilization and sowing together with cultivating. The present invention relates to a fertilizer sowing machine.

(B) Prior Art Conventionally, a device which is attached to the rear part of a rotary tiller to simultaneously perform fertilization and sowing has been known.

For example, Japanese Utility Model Publication No. 59-42110 and Japanese Utility Model Publication No. 60
For example, it is as described in JP-A-133718 and JP-A-58-103815.

(C) Problems to be Solved by the Invention An object of the present invention is to make the fertilization hopper / seeding hopper detachable, and also to make the fertilization feeding device and the seeding feeding device detachable so that only one operation is performed. The other hopper and the feeding device can be removed, and the fertilizer applicator and the seeding device parts are compatible with each other, so that it is possible to work with them replaced.

(D) Means for Solving the Problems The object of the present invention is as described above, and a configuration for achieving the object will be described below.

In a fertilizing and sowing machine capable of simultaneously performing fertilizing and sowing, the fertilizing hopper 1 and the sowing hopper 2 are arranged so as to be separably removable in the front and rear, and the fertilizing feeding device A arranged below the fertilizing hopper 1 and the sowing hopper 2. The seed feeding device B arranged below is arranged so that it can be separated and removed from the front and the rear, the fertilizer hopper 1 and the fertilizer feeding device A are arranged so that it can be divided and removed vertically, and the seed hopper 2 and the seed feeding device B are arranged vertically. It is arranged so that it can be separated and removed.
The fertilizer application hopper 1 and the seeding hopper 2 can be replaced and attached, the fertilizer application device A and the seed application device B can be exchanged and installed, and the drive gear 3 of the fertilizer application device A and the drive gear 4 of the seed application device B can be attached. And (5) are engaged with each other in the mounted state. (E) Structure of the embodiment The purpose and structure of the present invention are as described above. Next, the structure of the embodiment shown in the accompanying drawings will be described.

FIG. 1 is a rear perspective view of the fertilizing and sowing machine of the present invention attached to the rear part of a rotary tiller, FIG. 2 is a side view of only the fertilizing and sowing machine, and FIG. 3 is a side sectional view of a hopper and a feeding device. FIG. 4 is a plan view of the feeding device unit, and FIG. 5 is a side view of the hopper unit and the feeding device unit in a disassembled state.

The overall configuration will be described with reference to FIGS. 1 and 2.

A rotary tiller R is attached to the rear of the tractor T. Further, the fertilizer-seeding machine of the present invention is mounted from the rear on the tail wheel lateral rod 50 which supports the tail wheel 51 of the rotary tiller R.

That is, the "H" of the hitch 13 part shown in FIG.
The shaped portion is fitted into the rear working machine mounting square portion of the tail wheel lateral rod 50 from the rear side and is connected by the hitch pin 13a. If it is locked only by the hitch pin 13a, there is play between the rear working machine mounting square section and the hitch 13. Therefore, the pressing body 13b is pushed by the tightening bolt 13c to push the hitch 13 and the rear working machine mounting square section. The play between them is eliminated.

The adjusting frame 52 is projected above the hitch 13,
The rotating frame 25 is pivotally supported on a pivot shaft 52a provided on the adjusting frame 52. The rotation adjusting screw 14 is interposed between the adjusting frame 52 and the rotating frame 25. By rotating the rotating adjusting screw 14, the pivot shaft 52a is rotated.
The whole of the fertilizer-seeding machine rotates up and down backward to adjust the level with the soil surface.

The adjustment by the rotation adjusting screw 14 is an adjustment by rotation, but in addition, a sowing depth adjusting lever 15 for adjusting the whole fertilizer sowing machine up and down in a horizontal state is arranged diagonally forward.

The lower end of the seeding depth adjusting lever 15 is connected to an adjusting screw rod 16 through a joint, and by rotating the adjusting screw rod 16, a female screw body fixed between the slide cylinders 26, 26 is moved up and down. The fertilizer sowing machine is moved up and down horizontally. When the seeding depth adjusting lever 15 is moved up and down, the slide cylinder 26 fitted on the guide rod 53 attached to the rotating frame 25 moves vertically while maintaining a horizontal state.

A bracket is attached from the slide cylinders 26, 26 to the beam 8
It protrudes downward and is fixed by welding. A drive frame 38 is slidably and fastened on the mounting beam 8. Further, a fertilization and sowing frame 58 is arranged so as to be slidably fixed on the attachment beam 8. Since the scale 8a is engraved on the mounting beam 8, the fertilization and sowing frame 58 is moved to an appropriate position while confirming the position along the scale 8a.

The fertilizing and feeding device A is attached to the rear part of the fertilizing and sowing frame 58, and the sowing and feeding device B can be attached to the fertilizing and sowing device A by one-touch mounting. 24,
23 is rotatably projected, and a roller frame 36 is attached to the rear ends of the parallel links 24, 23. Stopper 5 for restricting the downward rotation width of the parallel links 24, 23
5 is provided on the fertilization and sowing frame 58. Further, a supporting rod 54 of the grooving disk 10 is projected below the roller frame 36, and a lower end of the supporting rod 54 bears a rotary shaft of the grooving disc 10 as a bearing. The grooved disk 10
Is composed of two stainless steel wedge-shaped discs in plan view, which are closely contacted to each other in the front. The seeding guide pipe 20 is provided in the wedge-shaped widened portion at the rear of the grooving disc 10.
Is inserted.

Further, the fertilizer application guide pipe 19 arranged at the front part of the seeding guide pipe 20 is arranged at a position protected by the scraping plate 41 on the outer side of the grooving disc 10 to drop the fertilizer.

Further, a soil cover disk 11 is projectingly supported behind the seeding portion of the groove-making disk 10 by the roller frame 36. The soil-covering disk 11 is for lightly covering the seeds sown in the groove formed by the wedge-shaped groove-making groove 10 with soil.

Further, the support rod 12 a is projected from the roller frame 36 to support the soil covering roller 12.

The soil covering roller 12 is configured as a roller having a width extending over both the fertilizing position and the sowing position, and the soil covering roller 12 suppresses the fertilization and the seeds in the groove.

In the above structure, the groove-making disc 10, the soil-covering disc 11, and the soil-covering roller 12 attached to the roller frame 36 are freely parallel links 24, according to the unevenness of the soil surface.
Since the 23 part is rotated to move up and down, the seeding depth can be kept constant even if the body of the tractor T moves up and down.

On the other hand, the upper hopper and the feeding device part are
Since it is fixed to the mounting beam 8 and does not follow the unevenness of the soil surface, the bellows rubbers 17 and 18 are interposed between the feeding device and the roller frame 36, and the feeding device portion and the roller frame. The change in the gap between the 36 parts can be absorbed.

Next, the structure of the grounding wheel 9 for obtaining the driving force of the fertilizer application plant of the present invention will be described.

The grounding wheel 9 is pivotally supported on the drive frame 38 with the payout shaft 7 as a pivot shaft. Further, the guide rod 21 and the biasing spring 22 are interposed between the rear end of the drive frame 38 and the chain case 47 of the grounding wheel 9, so that the grounding wheel 9 is always grounded on the soil surface.

The rotation of the grounding wheel 9 causes the payout shaft 7 to rotate via the chain in the chain case 47. The feeding shaft 7 is configured as a hexagonal shaft, and the fertilizer feeding device A is configured to slide the feeding shaft 7 to the left and right as the fertilizing and sowing unit is slid left and right on the mounting beam 8. -ing

The fertilizer application device A, which is a main part of the present invention, is fixed to the rear end of the fertilizer application frame 58, and the seed application device is provided on the rear surface of the fertilizer application device A via the left and right one-touch attachments 30, 30. It is wearing B.

Similarly, the fertilizer application hopper 1 is fixedly mounted on the fertilizer application device A via the left and right one-touch attachments 31, 31. The lower part of the seeding hopper 2 is fixed on the seed feeding device B by the left and right one-touch fittings 32, 32, and the front part is further fixed by the left and right one-touch fittings 2.
It is fixed to the fertilizer application hopper 1 by 9, 29. Furthermore, in order to ensure the connection between the fertilizer hopper 1 and the seeding hopper 2, it is possible to overlap the hinge parts 45 and 46 of the lids 27 and 28 and insert the connecting pin from the side to connect them. It is configured in.

The above is the overall configuration, and then FIG. 3, FIG. 4, and FIG.
The configurations of the feeding device and the hopper portion will be described with reference to the drawings.

A fertilizer feeding device A is fixed to the edge of a fertilizing and sowing frame 58 which can be adjusted to the left and right on the attachment beam 8. Then, the seed feeding device B is attached to the rear end of the fertilizer feeding device A via the one-touch attachments 30, 30. Therefore, the seeding and feeding device B is not directly fixed to the fertilization and sowing frame 58, but is supported only by being fixed to the fertilization and feeding device A by the one-touch fittings 30, 30.

The fertilizer feeding device A is installed in the central feeding case 56,
The pay-out roll 5 is rotated, and fitting holes 5a are opened at several positions on the circumference of the pay-out roll 5. The fertilizer flowing into the feeding case 56 from the lower end of the fertilizer application hopper 1 is supplemented into the insertion hole 5a as the feeding roll 5 rotates, and the fertilizer having a capacity larger than that is scraped off by the scraping brush 33.

The fertilizer in the fitting hole 5a is discharged below the payout roll 5 as the payout roll 5 rotates downward, is collected by the guide funnel 60, and is thrown into the bellows rubber 17. A fertilization guide pipe 19 is arranged below the bellows rubber 17, and the fertilizer that has fallen into the fertilization guide pipe 19 is guided to the side of the grooving disk 10 and fertilized.

The feeding roll 5 is driven by the feeding shaft 7 which is rotated by the above-mentioned grounding wheel 9 because it penetrates through the feeding roll 5.
A gear case 57 is provided on the side surface of the feeding case 56, and the drive gear 3 is arranged in the gear case 57. The drive gear 3 rotates at the number of rotations of the feeding shaft 7 together with the feeding roll 5.

When the fertilizer feeding device A is separately attached,
The teeth of the drive gear 3 are rotated rearward in an exposed state, and mesh with the drive gear 4 of the seed feeding device B and the drive gear 3 when a seeding device is attached.

Then, the feeding roll 6 in the feeding case 62 of the seed feeding device B is rotated in the direction opposite to that of the feeding roll 5. The pay-out roll 6 is also provided with a fitting hole 6a on the circumference, and the scraping brush 34 is arranged on the outer circumference of rotation of the pay-out roll 6. The drive gear 4 is arranged in the gear case 63.

The seeds in the insertion hole 6a are discharged below the payout roll 6 as the payout roll 6 rotates downward, collected by the guide funnel 61, and put into the bellows rubber 18. A seeding guide pipe 20 is arranged below the bellows rubber 18, and the seeds dropped in the seeding guide pipe 20 are guided to the inside of the grooving disk 10 and fertilized.

Further, the gear cases 57 and 63 of the feeding cases 56 and 62
Bearing cases 59 and 64 are provided on the opposite side to the inside of the bearing cases 59 and 64.
8 and 49 are arranged.

By adjusting the feeding amount adjusting levers 48 and 49, the size of the fitting hole 5a in the feeding case 56 can be changed, and the feeding amount can be adjusted by changing the fitting hole 5a.

Further, hopper shutters 40 and 39 are formed below the fertilizer hopper 1 and the seeding hopper 2, and fertilization or sowing can be stopped by opening and closing the hopper shutters 40 and 39.

According to the present invention, as shown in FIG. 5, the fertilizer feeding device A and the seeding feeding device B are detachable, and the fertilizer feeding device A and the fertilizing hopper 1, the seed feeding device B and the seeding hopper 2 are configured as described above. The fertilizer hopper 1 and the seeding hopper 2 are also removable.

Further, the fitting hole of the seeding hopper 1 on the upper surface of the fertilizer feeding device A and the fitting hole of the seeding hopper 2 on the seeding feeding device B are configured to have the same shape, and the fertilizer hopper 1 having a large capacity is set to the seeding hopper 2. Can be used by changing.

Further, the seeding feeding device B and the fertilizer feeding device A are configured symmetrically, but in other respects, they are configured almost the same, and when the fertilizing feeding device A is removed, the seed feeding device B can be placed on the payout shaft 7.

Similarly, the seeding hopper 2 is arranged at the position of the fertilizer application hopper 1.

Further, the attachment / detachment among these four persons is made easy by the pair of left and right one-touch attachments 30, 31, 32, 29. The one-touch fittings 30, 31, 3
2 and 29 are locking tools 6 arranged at corresponding positions
5, 43, 44, 42 are engaged.

(F) Effects of the Invention Since the present invention is configured as described above, it has the following effects.

First, since the fertilizer application hopper 1, the seeding hopper 2, the fertilizer application device A, and the seed application device B can be mounted by changing their positions, the hopper can be replaced according to the size of the hopper. Moreover, it is possible to improve the durability by changing the feeding device, which is worn a lot depending on the type of fertilizer, to the feeding device of the seeder.

Secondly, in the case of performing only one work, the hopper and the feeding device located at the rear can be removed and used, so that the unnecessary feeding device is not idled and an unnecessary hopper is attached. There is no longer any need to keep it.

Thirdly, by engaging the drive gear 3 of the fertilizer feeding device A and the drive gear 4 of the seeding feeding device B in the mounted state, when both feeding devices are installed side by side, the driving force of one driving gear 3 The other drive gear 4 can be driven, and it is no longer necessary to provide another drive system.

[Brief description of drawings]

FIG. 1 is a rear perspective view of the fertilizing and sowing machine of the present invention attached to the rear part of a rotary tiller, FIG. 2 is a side view of only the fertilizing and sowing machine, and FIG. 3 is a side sectional view of a hopper and a feeding device. FIG. 4 is a plan view of the feeding device unit, and FIG. 5 is a side view of the hopper unit and the feeding device unit in a disassembled state. A: fertilizer feeding device B: seeding feeding device 1 ... fertilizing hopper 2 ... seeding hopper 3 ... drive gear 4 ... drive gear 5 ... feeding roll 6 ... feeding roll 7 ... feeding shaft 8 ... Mounting beam 9: Grounding wheel

Claims (1)

[Claims] 1. A fertilizing and seeding machine capable of simultaneously performing fertilizing and sowing, wherein a fertilizing hopper 1 and a seeding hopper 2 are arranged so as to be separably removable front and back, and a fertilizing feeding device A arranged below the fertilizing hopper 1. , A seed feeding device B arranged below the seed hopper 2 is arranged so as to be separable and removable front and back, and the fertilizer hopper 1 and the fertilizer feeding device A are arranged so as to be vertically separable, and the seed hopper 2 and the seed feeding are arranged. The device B is arranged so that it can be split and removed vertically, and the fertilizer application hopper 1 and the seeding hopper 2 can be replaced and installed, and the fertilizer application device A and the seed application device B can be replaced and installed, and the fertilizer application device A A fertilizer sowing machine, characterized in that the drive gear 3 and the drive gear 4 of the seed feeding device B are meshed in the mounted state.