JPH0856482A - Cutter device for cutting seedling - Google Patents

Abstract

PURPOSE: To obtain the device capable of always cutting a seedling at a constant angle and greatly shortening the seedling-cutting work by the extremely simple operations comprising loading the seedling on the step part of a lower gripping piece and subsequently closing the lower gripping piece and an upper gripping piece. CONSTITUTION: A lower side gripping piece 1 and an upper side gripping piece 3 are pivotally supported on their rear sides, and energized with an elastic member into an opened state. A step part 1C inclined on the basis of the longitudinal direction and a groove extended in the longitudinal direction crossing the step part 1C are formed. A cutter 2 is fixed to the front part of the upper side gripping piece 3 so that the blade of the cutter is directed to the lower side in the longitudinal direction. A seedling is loaded on the lower side gripping piece along the step part 1C, and the lower side gripping piece 1 and the upper side gripping piece 3 are subsequently closed, whereby the cutter blade 2 is inserted into the groove through the step part 1C of the lower side gripping piece 1 to obliquely cut the seedling 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling cutting cutter device for cutting grafting seedlings at a constant angle.

[0002]

2. Description of the Related Art Conventionally, as seedlings for fruits and vegetables such as tomatoes, eggplants and melons, in order to have resistance to diseases and insects, a rootstock resistant to these diseases and insects has been selected and grafted on the roots. ing. A razor blade or the like was used to cut the scion and the rootstock for grafting the seedlings.

[0003]

However, even if a person skilled in the art uses a razor blade to perform manual work, it is difficult to cut the sapling at a certain angle so as not to damage the seedling.
Inefficient and unproductive. Moreover, if there is an error in the cutting angle between the rootstock and the scion, the survival rate and seedling growth will be hindered. It is an object of the present invention to provide a seedling cutting cutter device that solves the above problems.

[0004]

SUMMARY OF THE INVENTION According to the present invention, a step portion inclined with respect to the longitudinal direction and a groove extending in the longitudinal direction across the step portion are formed in the front portion of the lower grasping piece, and the upper grasping piece is grasped. Fix the cutter blade so that the blade faces the lower side in the longitudinal direction at the front of the piece, place the seedling along the step of the lower grasping piece, and close the lower grasping piece and the upper grasping piece. The cutter blade is inserted into the groove through the step of the lower grasping piece, and the seedling is cut obliquely.

[0005]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1, 2 and 3 show a cutter device for cutting seedlings of the present invention, in which two fixing portions 1A protruding from both ends are formed at the rear portion of the lower grasping piece 1, and the fixing portion 1A Through-holes 1B are formed at opposing positions. A step portion 1C inclined by about 60 degrees with respect to the longitudinal direction is formed at the front portion of the lower grasping piece 1, and a recessed portion from the step portion 1C to the front end serves as a seedling placement portion 1D. Further, in the front part of the lower grasping piece 1, a groove 1E extending from the front end to the rear in the longitudinal direction across the step portion 1C is formed, and the width of the groove 1E is formed to be slightly wider than the cutter blade 2 described later. . Between the fixed portion 1A of the lower grasping piece 1, the rear portion 3 formed to be slightly narrower than the upper grasping piece 3
A is inserted, and the rear hole 3B of the upper grasping piece 3 is fixed to the fixed portion 1A.
To the through hole 1B. Through hole 1B of the fixed portion 1A
And the male screw portion of the bolt 4 is inserted into the rear hole 3B of the upper grasping piece 3, and the fixing portion 1A is held by the head 4A of the bolt 4 and the nut 5 screwed to the male screw portion, and the lower grasping piece 1 and the upper portion The grasping piece 3 is pivotally supported. The coil spring 6 is inserted into the hole 1F formed in the middle of the lower grasping piece 1,
The upper part of the coil spring 6 is pressed against the lower surface of the upper grasping piece 3, and the lower grasping piece 1 and the upper grasping piece 3 normally open.
Although not shown, various elastic bodies such as a leaf spring or rubber can be used instead of the coil spring 6. A notch groove 3C is formed in the front portion of the upper grasping piece 3 and extends rearward in the longitudinal direction from the front end, and the cutter blade 2 is inserted into the notch groove 3C so that the blade faces downward. The front part 3D of the piece 3 is closed and the cutter blade 2 is fixed. Various cutter blades such as a razor blade can be considered as the cutter blade 2. A female screw portion 1G penetrating from the lower surface to the upper surface is formed at the rear portion of the lower grasping piece 1, and the male screw portion 8A of the bolt 8 is inserted into the female screw portion 1G from the lower surface and screwed.

Next, the method of using the above-mentioned seedling cutting cutter device will be explained. In the state of FIG. 1, the sapling 9 of the seedling 9 is brought into contact with the step portion 1C of the seedling placing portion 1D of the lower grasping piece 1. The state shown in FIG. In this state, the upper grasping piece 3
When the lower grasping piece 1 is closed, the cutter blade 2 fixed to the upper grasping piece 3 inserts the step portion 1C to cut the seedling 9 at an angle of 30 degrees. Therefore, if the seedling 9 is placed against the step portion 1C and placed, it can be cut at an angle of 30 degrees and the work can be easily performed. Moreover, since the sapling 9 is placed on the seedling placing portion 1D formed by being recessed in the lower grasping piece 1, the sapling 9 can be easily inserted from the front end direction of the lower grasping piece 1 and the operation of placing the seedling 9 The time can be shortened.

When the cutting device for cutting seedlings of the present invention is not used, the bolt 8 which is screwed into the rear portion of the lower grasping piece 1 is further screwed in to press the rear lower surface 3E of the upper grasping piece 3. As shown in FIG. 5, the lower grasping piece 1 and the upper grasping piece 3 can be stored in a closed state, which is advantageous in terms of portability and safety. In addition, by adjusting the bolt 8, the expansion dimensions of the lower grasping piece 1 and the upper grasping piece 3 can be arbitrarily changed, and there is an advantage that it can be adjusted to an easy-to-use expansion dimension according to the thickness of the seedling 9.

FIG. 6, FIG. 7 and FIG. 8 show another embodiment of the cutter device for cutting seedlings of the present invention, in which the fixing portion 11A formed on the rear portion of the lower grasping piece 11 is configured to be flexible. . As a means for making the fixed portion 11A bendable, the lower grasping piece 11 may be made of an elastic material such as synthetic resin or metal, and the fixed portion 11A may be made to have a bendable thickness. The protrusions 13F projecting from the rear side surfaces of both sides of the upper grasping piece 13 are fitted into the through holes 11B of the fixing portion 11A to pivotally support the lower grasping piece 11 and the upper grasping piece 13. Further, a concave portion 13G having the same shape as the fixed portion of the cutter blade 2 is formed in the front portion of the upper grasping piece 13,
The recessed portion 13G is recessed to a substantially middle portion of the upper grasping piece 13. The cutter blade 2 is fitted into the recess 13G,
It is fixed with screws 10. The cutter blade 2 can be inserted into the groove 11E of the lower grasping piece 11.

This embodiment is similar to the above embodiment in cutting seedlings, but the protrusion 13F of the upper grasping piece 13 is
Is attached only by fitting it into the through hole 11B of the fixed portion 11A, which has the advantages that productivity is improved and the cutter blade 2 can be easily positioned and replaced.

[0010]

As described above, in the seedling cutting cutter device of the present invention, the seedling is placed along the step of the lower grasping piece, and the lower grasping piece and the upper grasping piece are closed very easily. By doing so, the seedlings can always be cut at a certain angle, and the seedling cutting work can be dramatically shortened.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing a cutter device for cutting seedlings of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a plan view in which a part of the seedling cutting cutter device of FIG. 1 is cut.

FIG. 4 is a plan view showing a state in which a seedling is placed on the seedling cutting cutter device of the present invention.

FIG. 5 is a cross-sectional view showing a carrying state of the seedling cutting cutter device of the present invention.

FIG. 6 is a front view showing another embodiment of the cutter device for cutting seedlings of the present invention.

7 is a cross-sectional view taken along the line AA of FIG.

FIG. 8 is a sectional view taken along line BB in FIG.

[Explanation of symbols]

 1 Lower grasping piece 1C Step of lower grasping piece 1 1E Groove of lower grasping piece 1 Cutter blade 3 Upper grasping piece 9 Sapling 11 Lower grasping piece 11E Groove of lower grasping piece 11 13 Upper grasping piece

Claims (1)

[Claims] 1. A lower grasping piece and an upper grasping piece are pivotally supported at a rear side, and the upper grasping piece and the lower grasping piece are urged to an expanded state by an elastic body, and the upper grasping piece and the lower grasping piece. In the seedling cutting cutter device that cuts seedlings with the cutter blade fixed to the upper grasping piece by closing the, the front part of the lower grasping piece, across the stepped portion inclined to the longitudinal direction and the stepped portion. Form a groove extending in the longitudinal direction, fix the cutter blade so that the blade faces the lower side in the longitudinal direction at the front of the upper grasping piece, and after placing the seedling along the step of the lower grasping piece, Sapling cutting characterized in that by closing the lower grasping piece and the upper grasping piece, the cutter blade is inserted into the groove through the step of the lower grasping piece and the seedling is cut obliquely. Cutter device.