JPH0446506Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field The present invention relates to a fertilization seeding machine that is attached to the rear of a tractor or a walk-behind cultivator.

(B) Prior Art Devices that are attached to the rear of tractors and walk-behind cultivators and that simultaneously perform fertilization and sowing have been known.

For example, Utility Model Publication No. 56-52808, Utility Model Publication No. 60
-133718 Publication and Utility Model Application Publication No. 58-103815.

(c) Problems to be solved by the invention The purpose of the invention is to facilitate the cleaning of the inside of the feeding section, which is composed of a feeding case and a feeding roll, and to make it easier to clean the inside of the feeding section, which is made up of a feeding case and a feeding roll. The position of the guiding guide pipe can be changed depending on the type of fertilizer and seeds, and the shape of the trench-cutting device and soil-covering roller.

Fertilizer and seeding equipment is used all over the country, and due to differences in soil conditions and cropping methods in each region, sowing positions, fertilization positions, soil covering conditions, furrowing conditions, etc. differ from region to region. do.

In accordance with this, it is necessary to configure the fertilization and seeding machine so that the fertilization and sowing positions can be changed freely. For example, there are cases where trenches are created using a trench disc for sowing, but depending on the crop, there are also cases where the soil surface is simply compacted and the seeds are sown on top of it and then covered with soil.

In this case, instead of the groove-making disk 10, a roller is placed in front of the seeding guide pipe, and the seeding guide pipe, which had been inserted between the groove-making disks, is moved back and placed behind the roller. It is necessary to place them.

The present invention makes it possible to easily change the position of the seeding guide pipe even in such cases.

(d) Means for solving the problem The purpose of the present invention is as described above. Next, the structure for achieving the purpose will be explained.

A guide funnel that guides fertilizer and seeds to the fertilization guide pipe is arranged at the bottom of the feeding case, and the guide funnel has a shape with discharge ports unevenly distributed in the front and back, and a slide that fits into the insertion rail provided at the bottom of the feeding case. The guide funnel can be attached and detached by moving the guide funnel, and a stopper is provided to prevent the guide funnel from loosening when attached, so that the discharge port can be changed back and forth when attached and detached.

(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 attached drawings will be explained.

Figure 1 is a side view of the fertilizing and seeding machine of the present invention, Figure 2
Figure 3 is a side sectional view of the hopper and feeding device with the guide funnels 60 and 61 reassigned, Figure 4 is a bottom perspective view with the guide funnel 61 removed, and Figure 5 is the feeding case 62 and guide. It is a rear sectional view of the funnel 61 part.

In FIG. 1, the overall configuration will be explained.

The fertilizing seeding machine of the present invention is attached from the rear to the tail wheel side rod that supports the tail wheel of the rotary tiller.

That is, the "U"-shaped part of the hitch 13 is inserted into the rectangular part for attaching the rear working machine of the tail wheel side rod 50 from the rear, and connected by the hitch pin 13a. If only the hitch pin 13a is used to lock the hitch 13, play will occur between the rectangular part for the rear working machine and the hitch 13. Therefore, by pressing the pressing body 13b with the tightening bolt 13c, the hitch 13 and the rectangular part for attaching the rear working machine are connected. This eliminates the gap between them.

An adjustment frame 52 protrudes above the hitch 13, and a pivot shaft 52a provided on the adjustment frame 52.
A rotating frame 25 is pivotally supported. A rotation adjustment screw 14 is interposed between the adjustment frame 52 and the rotation frame 25, and by rotating the rotation adjustment screw 14, the entire fertilizing and seeding machine rotates rearward about the pivot shaft 52a. It rotates up and down to adjust its level with the soil surface.

The adjustment by the rotation adjustment screw 14 is an adjustment by rotation, but in addition to this, a seeding depth adjustment lever 15 is arranged diagonally forward to adjust the entire fertilizing and seeding machine up and down in a horizontal state. The lower end of the seeding depth adjustment lever 15 is connected to an adjustment screw rod 16 via a joint, and when the adjustment screw rod 16 rotates, the female screw body fixed between the slide tubes 26 and 26 is moved up and down. The fertilizing and seeding machine is raised and lowered horizontally. When moving up and down using the sowing depth adjustment lever 15, a slide tube 26 fitted on the outside of a guide rod 53 attached to the rotating frame 25 is used.
It moves vertically while maintaining a horizontal state.
A bracket protrudes below the slide tube 26 and is fixed to the mounting beam 8 by welding. A drive frame 38 is fastened to the mounting beam 8 so that its position can be adjusted from side to side, and the grounding wheel 9 and the feeding shaft 7 are supported by the drive frame 38.

Further, a fertilizing/seeding frame 58 is arranged so as to be slidable and fixed on the mounting beam 8. The fertilizing and dispensing device A is attached to the rear of the fertilizing and sowing frame 58, and the sowing and dispensing device B can be attached to the fertilizing and dispensing device A with a single touch.

Further, upper and lower parallel links 24 and 23 are rotatably protruded from the fertilization and seeding frame 58, and a roller frame 36 is attached to the rear ends of the parallel links 24 and 23. A stopper 55 for regulating the downward rotation width of the parallel links 24 and 23 is provided on the fertilization and seeding frame 58. Also, the parallel link 2
4 and 23 downward, and a spring force adjustment lever 35 that adjusts the spring force of the urging spring.
is located. Furthermore, the roller frame 36
A support rod 54 of the groove-making disk 10 projects further downward, and the rotation shaft of the groove-making disk 10 is supported by a bearing at the lower end of the support rod 54. 2 wedge-shaped stainless steel plates in close contact with each other in front of the groove-making disk 10 in plan view.
The seeding guide pipe 20 is fitted into the wedge-shaped widening portion at the rear of the groove-making disk 10. Further, the fertilizing guide pipes 19 disposed throughout the seeding guide pipes 20 are disposed outside the groove cutting disk 10 at a position protected by a scraping plate 41, and drop fertilizer thereon.

Further, a soil covering disk 11 is protruded and supported from the roller frame 36 behind the seeding section of the groove cutting disk 10. The soil covering disk 11 lightly covers the seeds sown in the grooves made by the wedge-shaped groove making disk 10.

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

The soil covering roller 12 is configured to have a width that covers both the fertilization position and the sowing position, and the soil covering roller 12 compresses the fertilizer and seeds in the furrow.

In the above configuration, the groove making disk 10 and the soil covering disk 11 attached to the roller frame 36
The soil covering roller 12 moves up and down by freely rotating the parallel links 24 and 23 according to the unevenness of the soil surface, so even if the body of the tractor T moves up and down,
This allows the seeding depth to be constant.

On the other hand, the upper hopper and the feeding device part are fixed to the mounting beam 8 and do not follow the unevenness of the soil surface, so between the feeding device and the roller frame 36, the bellows rubber 17, 18, it is possible to absorb changes in the gap between the feeding device section and the roller frame 36 section.

Next, the configuration of the ground contact wheel 9 that obtains the driving force will be explained.

The grounding wheel 9 is connected to the drive frame 38 by the feeding shaft 7.
It is pivoted using the pivot axis. and a chain case 47 between the rear end of the drive frame 38 and the ground wheel 9.
A guide rod 21 and a biasing spring 22 are interposed between the ground wheel 9 and the soil surface to keep the grounding ring 9 in contact with the soil surface at all times.

The rotation of the grounding ring 9 causes the feed shaft 7 to rotate via the chain in the chain case 47. The feeding shaft 7 has a hexagonal shape, and as the fertilizing and seeding unit slides left and right on the mounting beam 8, the fertilizing feeding device A can slide left and right on the feeding shaft 7. It is structured as follows.

The fertilization feeding device A is a fertilization and seeding frame 58.
It is fixedly installed at the rear end, and the fertilizer feeding device A
The sowing and feeding device B is attached to the rear surface of the seeding machine via right and left one-touch fittings 30, 30.

Further, the fertilizing hopper 1 is fixedly installed on the fertilizing feeding device A via left and right one-touch fittings 31, 31. And sowing hopper 2
The lower part is fixedly mounted on the seeding feeder B using the left and right one-touch fittings 32, 32, and the front part is fixed to the fertilizing hopper 1 using the left and right one-touch fittings 29, 29. . Furthermore,
In order to ensure the connection between the fertilizing hopper 1 and the seeding hopper 2, the hinge parts of the lids 45 and 46 are overlapped and a connecting pin is inserted from the side to connect the two. It is. The one-touch mounting tools 30, 31, 32, 29 have locking tools 65, 43, 44, which are arranged at corresponding positions, respectively.
42.

Next, let me explain about the feeding device.

A fertilizer feeding device A is installed at the rear end of the fertilizer seeding frame 58, which allows the top of the mounting beam 8 to be adjusted left and right.
is fixed. And the fertilization feeding device A
via the one-touch fittings 30, 30 on the rear end of the
Attach the seeding feeder B. Therefore, the sowing and dispensing device B is not directly fixed to the fertilizing and sowing frame 58, but is supported only by being fixed to the fertilizing and dispensing device A with one-touch fittings 30, 30.

Fertilizer dispensing device A is located in the central dispensing case 5.
6, a feed roll 5 is rotated, and fitting holes 5 are formed at several places on the circumference of the feed roll 5.
A is opened. The feeding roll 5
As the fertilizer hopper 1 rotates, the fertilizer flowing into the feeding case 56 from the lower end of the fertilization hopper 1 is captured in the insertion hole 5a, and the fertilizer in excess of the capacity is scraped off by the scraping brush 33.

The fertilizer in the insertion hole 5a is discharged from the lower side of the delivery roll 5 as the delivery 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 falls into the fertilization guide pipe 19 is guided to the side of the groove-cutting disk 10 and fertilized.

The feeding roll 5 is driven by the above-mentioned grounding wheel 9.
Since the feed-out shaft 7 rotated by passes through the inside of the feed-out roll 5, the feed-out shaft 7 rotates. And the feeding case 5
A gear case is provided on the side surface of the drive gear 6, and the drive gear 3 is disposed within the gear case. The drive gear 3 rotates together with the feed roll 5 at the rotational speed of the feed shaft 7.

When the fertilizer dispensing device A is attached alone, the teeth of the drive gear 3 rotate with the teeth exposed to the rear, and when the sowing device is attached, the drive gear 4 of the sowing dispensing device B rotates. It meshes with the drive gear 3. And the seeding feeding device B
The feeding roll 6 in the feeding case 62,
It rotates in the opposite direction to the feed roll 5.

A fitting hole 6a is also formed on the circumference of the feed roll 6, and a scraping brush 34 is disposed on the outer circumference of the feed roll 6. A guide funnel 61, which is an important part of the present invention, is also arranged below the feed roll 6. Drive gear 4 is arranged within gear case 63.

Furthermore, hopper shutters 40 and 39 are constructed below the fertilization hopper 1 and the seeding hopper 2, and by opening and closing the hopper shutters 40 and 39, the fertilization hopper 1 and the seeding hopper 2 are moved to the fertilization feeding device A. And when removed from the sowing and feeding device B, it can be made into a portable container.

The present invention has the above-mentioned overall configuration.
A guide funnel 60 configured to close the lower surface of the feeding cases 56, 62 in order to enable cleaning of the inside of the feeding cases 56, 62 and to change the positions of the fertilizing guide pipe 19 and the seeding guide pipe 20. 61 can be easily attached and detached and can be attached by switching the front and rear directions.

That is, as shown in FIG. 4, the guide funnels 60, 61 are configured in such a shape that the discharge ports are unevenly distributed in the front and rear, and when the guide funnels 60, 61 are reversed in the front and rear directions, the discharge ports shown in FIG. 1, FIG. 2, and As shown in FIG. 3, the positions of the fertilizing guide pipe 19 and the seeding guide pipe 20 can be rotated back and forth.

In the present invention, insertion rails 56a and 62a are provided at the mounting portions of the guide funnels 60 and 61,
By sliding within the insertion rails 56a, 62a, the guide funnel 61 can be easily attached and detached.

Further, stoppers 60a and 61a are provided to prevent the guide funnels 60 and 61 from loosening and coming off due to vibration in the closed state.

Furthermore, by removing the guide funnels 60 and 61 as shown in FIG. 4, an opening is created toward the bottom surface, so the blockage inside the feeding case 56 can be removed.
This allows for complete cleaning.

(f) Effects of the invention Since the invention is constructed as described above, it has the following effects.

Firstly, the guide funnels 60, 61 placed on the lower surfaces of the feeding cases 56, 62 are removably arranged, so that when it is necessary to replace the fertilizer or seeds with other fertilizers and seeds after the planting work is completed, In this case, the inside of the dispensing case 56 can be completely cleaned, and there is no chance of planting blended fertilizers or seeds that are mixed with the previous fertilizers and seeds.

Second, by removing the guide funnel 60 and replacing the guide funnel 60 with discharge ports unevenly distributed in the front and rear, it is possible to replace the guide funnel 60 as shown in FIGS. 1, 2, and 3. The arrangement of the fertilizing guide pipe 19 and the seeding guide pipe 20 can be changed back and forth.

Thirdly, even when fertilizing and sowing is performed by arranging a pressure roller instead of the groove-making disk 10, the positions of the fertilizing guide pipe 19 and the sowing guide pipe 20 can be changed accordingly.

Fourthly, by providing a stopper that fixes the guide funnel in the inserted state, the guide funnel does not come off due to vibrations during work.

[Brief explanation of the drawing]

Figure 1 is a side view of the fertilizing and seeding machine of the present invention, Figure 2
Figure 3 is a side sectional view of the hopper and feeding device with the guide funnels 60 and 61 reassigned, Figure 4 is a bottom perspective view with the guide funnel 61 removed, and Figure 5 is the feeding case 62 and guide. It is a rear sectional view of the funnel 61 part. A... Fertilizer feeding device, B... Seed feeding device, 1... Fertilizer hopper, 2... Seeding hopper, 5... Feeding roll, 6... Feeding roll, 7... Feeding shaft, 17, 18... Bellows Rubber pipe, 19... Fertilization guide pipe, 20... Seeding guide pipe, 56, 62... Feeding case, 60, 61... Guide funnel.

Claims (1)

[Scope of utility model registration request] A guide funnel that guides fertilizer and seeds to the fertilization guide pipe is arranged at the bottom of the feeding case, and the guide funnel has a shape with discharge ports unevenly distributed in the front and back, and a slide that fits into the insertion rail provided at the bottom of the feeding case. A feeding device for a fertilizing and seeding machine, characterized in that the guide funnel can be attached and detached by moving the guide funnel, a stopper is provided to prevent the guide funnel from loosening when attached, and the discharge port can be changed back and forth when attached and detached.