JPS6319126B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a seeding machine.

The present invention relates to a seeding machine that can accurately sow fine seeds.

Fine seeds such as cabbage and cauliflower are difficult to sow accurately, so a specially constructed seeding machine is used.

The outline of its structure is that suction holes are formed concentrically on a disk that rotates on the horizontal axis, seeds are attracted to the suction holes and rotated, and when the absorbed seeds reach the bottom, the suction is released and the seeds fall. That is what it is. Conventionally, the suction holes were opened in only one row, but if there was only one row, there would be a problem that if the seeds were not adsorbed, the plants would be missing, and if defective seeds were adsorbed, the plants would also be missing. It was hot.

Therefore, in the present invention, a plurality of rows of suction holes are formed in the disk on concentric circles having different radii.

In other words, if two rows of suction holes with different radii are formed on a disk, two particles will be attracted at a time, so even if one suction hole does not attract, the other suction holes will. Prevent stock shortages. Furthermore, by changing the size of the suction holes depending on the row, seeds of different sizes can be sown by using any one row.

Therefore, the present invention a. Fix a vertical disk 4 to the horizontal rotation axis 3.

b A plurality of suction holes 5 and 6 are formed in the disc 4 at regular intervals on concentric circles of different sizes centered on the axis.

c. The lower end opening 9 of the seed hopper 7 is brought into contact with the outer surface of the suction holes 5 and 6 on the rotation rising side 10 of one side of the disk 4.

d A suction pipe 12 communicating with the suction holes 5 and 6 is provided on the other side of the disc 4.

e. The lower end opening 9 of the seed hopper 7 is provided with a regulator 18 that can be moved in and out to partially close the multiple suction holes 5 and 6.

This is a summary of a seeding machine that combines the following requirements.

To explain with the drawings, 1 is a front case, 2 is a rear case, and both cases 1 and 2 together constitute one case. Reference numeral 3 denotes a rotating shaft that is attached to the central portions of the cases 1 and 2 so as to penetrate therethrough. A vertical disk 4, which rotates between the cases 1 and 2, is fixed to the rotation shaft 3. Device 4 has radius R and radius
Suction holes 5 and 6 are provided on concentric circles of different sizes, such as R'. The suction holes 5 are formed with a radius R, and the suction holes 6 are formed concentrically with a radius R'. The suction holes 5 and 6 are arranged in parallel in the radial direction. A seed hopper 7 is attached to the front case 1, that is, one side of the disc 4. The lower end 8 of the hopper 7 is bent toward the disc 4, and its opening 9 abuts at a position on the rotating upward side 10 of the disc 4 through which the suction holes 5, 6 pass. 1
1 is a suction passage formed on the rear case 2 side, and a suction pipe 12 is connected to the suction passage 11. When suction is performed with the suction pipe 12, seeds are adsorbed through the suction passage 11. An enlarged view of the suction holes 5 and 6 is shown in FIG. 5, and a recess 14 into which the seeds 13 fit is formed on one side of the thick disk 4 to prevent the absorbed seeds 13 from falling. A push plate 15 is provided on one side. Then, while being attracted by the opening 9 and being pressed by the presser plate 15, the other part directly under the disk 4 is rotated approximately once and reaches the position indicated by the arrow A in FIG. 2, so that the attraction is released. A blower pipe 16 is located on the side surface. The open end of the pipe 16 is in contact with the other side of the suction holes 5 and 6. A falling guide tube 17 for the seeds 13 blown off by the action of the pipe 16 is attached to one side directly below the disk 4. At the side of the front case 1, a disc 4
An adjustable body 18 is attached to the lower end opening 9 of the hopper 7 on the rotation rising side 10 of the hopper 7 . When the adjustment body 18 is moved in the direction of arrow B, it closes the outer suction hole 6, and when it is moved in the direction of arrow C, it opens the outer suction hole 6. The suction holes 5 and 6 may be formed with different sizes.

Next, we will discuss the effect.

When the rotary shaft 3 is rotated by the rotation of the power wheels in contact with the ground or by a separately provided motor, the disk 4 fixed to the rotary shaft 3 rotates. In this case, when rotating by the power wheels, the disc 4 rotates in proportion to the progress of the aircraft. Then, as the vehicle moves forward while performing suction through the suction pipe 12 and blowing air through the blower pipe 16,
When the disc 4 rotates and its suction holes 5 and 6 pass through the lower end opening 9 of the hopper 7, the suction action attracts the seeds 13 one by one and prevents them from falling. As shown in the figure, the disc 4 is guided to the position indicated by the arrow A in FIG. 2 as it rotates while being held down by the push plate 15. When this position is reached, when air is blown from the rear side to the front side using the air blowing pipe 16 installed separately, the seeds 13 stuck in the recess 14 are blown away and jumped out into the fall guide tube 17.
They are guided through the area and sown in the field. At this time, since the present invention uses suction sowing using the suction holes 5 and 6, at least one of the seeds is adsorbed, so there is no risk of plant loss.

However, some seeds do not like to sow two seeds and must be sown one seed at a time. All you have to do is block it. In addition, the suction hole 5 is made a large suction hole, and the suction hole 6
When the suction holes 6 are made small, large seeds can be sown by closing the suction holes 6.

In conventionally known devices, only one row of suction holes was formed in the disk 4. Therefore, the defects are as described above. However, since the present invention has multiple rows of suction holes 5 and 6, all of the deficiencies of the conventional products can be solved.

Note that the regulator 18 of the present invention is merely an example, and may have a structure in which the inner suction hole 5 can be opened and closed according to another embodiment, or one of the suction holes can be freely and selectively opened and closed. A flexible structure can be easily designed.

[Brief explanation of the drawing]

Figure 1 is a partially cutaway front view, Figure 2 is a front view of the disc and adjustment body, Figure 3 is a partially cutaway side view, Figure 4 is a sectional view of the hopper and disc, and Figure 5 is the suction An enlarged view of the hole, and FIG. 6 is a front view of the disk using the push plate. Explanation of symbols, 1... Front case, 2... Back case, 3... Rotating shaft, 4... Disc, 5, 6... Suction hole, 7... Seed hopper, 8... Lower end, 9... …
Opening, 10... Rotation rising side, 11... Suction passage, 12... Suction pipe, 13... Seed, 14...
... recess, 15 ... push plate, 16 ... ventilation pipe, 1
7... Fall guide tube, 18... Adjustment body, R, R'...
…radius.

Claims (1)

[Claims] 1. A seeding machine that meets the following requirements a to e. a. Fix a vertical disk 4 to the horizontal rotation axis 3. b A plurality of suction holes 5 and 6 are formed in the disc 4 at regular intervals on concentric circles of different sizes centered on the axis. c. The lower end opening 9 of the seed hopper 7 is brought into contact with the outer surface of the suction holes 5 and 6 on the rotation rising side 10 of one side of the disc 4. d A suction pipe 12 communicating with the suction holes 5 and 6 is provided on the other side of the disc 4. e. The lower end opening 9 of the seed hopper 7 is provided with a regulator 18 that can be moved in and out to partially close the multiple suction holes 5 and 6.