JPS581882B2 - Grass cutting guide device of grass cutter - Google Patents

Description

[Detailed description of the invention] This invention relates to a grass cutting grass guide device.

Conventionally, when cutting grass with a rotary cutting blade and then harvesting the same grass, when cutting with a rotating cutting blade. The problem was that the grass was scattered and cut irregularly, requiring a great deal of time and effort to harvest.

In this invention, the grass cut by the rotating cutting blade is
It is an object of the present invention to provide a grass cutting guide device for a grass cutter that is configured to be guided and collected regularly in a certain direction, thereby making it possible to easily perform harvesting work after cutting.

Describing the embodiment of the present invention in detail based on the drawings, 1 is a bearing sleeve, a rotating shaft 2 is inserted into the shaft receiving sleeve 1, and a cap-shaped shaft is formed at the lower end of the rotating shaft 2. A disc 3 is arranged in series, and the disc 3 is disposed below a guide plate 6, which will be described later, and a required number of cutting blades 4 are arranged in series on the outer periphery of the disc 3.

5 is a screw chain for connecting the reaping blade 4.

A guide plate 6 is connected to the bearing tube 1, and the guide plate 6 extends from the center of rotation of the disc 3 on which the reaping blade 4 is connected, that is, from the vicinity of the rotating shaft 2 in the direction of rotation of the reaping blade. It is formed by curving a flat plate with a certain height, and the mounting structure is gradually eccentric from the cutting direction A toward the disk rotation direction B. It extends laterally and has a shape similar to a spiral, and is curved in a convex manner toward the direction of movement of the aircraft.

Reference numeral 7 denotes a grass collection plate, which is telescopically connected to a grass collection plate holding cylinder 9 that projects laterally from the bearing cylinder 1 with push screws 8, and collects the cut grass guided by the guide plate 6. This is to keep them concentrated at a certain location.

Reference numeral 10 indicates a pulley provided at the upper end of the rotating shaft 2, and reference numeral 11 indicates a mounting culm for connecting to a separately provided work machine (not shown), which is connected to the front in the direction of movement of the work machine. There is.

Reference numeral 12 denotes a belt suspended from the pulley 10, which extracts power from the working machine and transmits the power to the rotating shaft 2.

a is the growing grass before cutting, b is the cut grass,
c shows grass collected and arranged in a row.

Note that the mounting portion of the guide plate 6 may be other than the bearing tube 1 of this embodiment. For example, it may be mounted to the casing (not shown) of an interlocking mechanism that transmits power from a working machine.
In short, as long as the guide plate 6 is curved gradually eccentrically from the vicinity of the rotation center of the cutting blade, its mounting position does not matter.

The embodiment of the present invention is constructed as described above, and when power is transmitted to the rotating shaft 2 via the belt 12, the disc 3 is rotated and the grass a is cut by the cutting blade 4. It is assumed that the cut grass b is scattered in the disc rotation direction B, but the wind pressure and its inertia accompanying the scattering of the grass, the rotational force of the cutting blade 4 during cutting rotation, and the disc 3, an air flow is formed along the outer peripheral surface of the upper guide plate 6. Therefore, the cut grass b is quickly collected on the disc 3 along the outer peripheral surface of the guide plate 6 toward the end of the guide plate 6,
In particular, since the guide plate 6 is provided so as to be gradually eccentric from the center of rotation of the cutting blade 4, the cut grass b can be gradually subjected to air flow as it goes toward the end of the guide plate 6. It is a small amount that can be collected on the sides of the aircraft.

According to this invention. This prevents the cut grass from scattering in multiple directions. Since the grass is accurately gathered in a certain direction on the disk along the guide plate, the grass harvesting operation after the reaping operation can be carried out easily and quickly.

[Brief explanation of the drawing]

FIG. 1 is a plan view of the device of the present invention. Figure 2 is a left side view of the same. Figure 3 is a front view of the same. 1... Bearing tube, 2...
... Rotating shaft, 3 ... Disc, 4 ... Reaping blade, 5 ... Spiral chain, 6 ... Guide plate, 7.
... Grass collection board, 8 ... Push screw, 9 ...
・・Grass collection plate holding cylinder, 10・・Pulley, 11・
...Mounting culm, 12...Belt.

Claims (1)

[Claims] 1. A cutting blade that cuts the grass while rotating is attached to the outer circumference of a rotatable disc. Grass cut guide of a grass cutter, which has a fixed guide plate that is gradually eccentric from near the center of rotation toward the direction of rotation of the cutting blade and curved convexly toward the direction of movement of the work equipment at the upper position. Device.