JP2009082056A - Cutter for grafting seedling - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutter for grafting seedling intended for solving such problems that it is difficult to cut at a fixed angle without damaging seedlings, and cutting seedlings requires skill, is bad in operability, and causes a risk of injury. <P>SOLUTION: This grafting seedling cutter is such that: cutting parts are set on the edges of 2 holding pieces which are openable and closable with one hand; the cutting parts are set downward inclinedly or upward inclinedly to the holding pieces; one cutting part has a cutting blade and the other cutting part is set with a seedling supporting part; the seedling supporting part is set with a blade entering part into which the cutting blade can enter, and when both the holding pieces are closed; a seedling is supported by the seedling supporting part; and also the cutting blade enters into the blade entering part so as to cut the seedling. The blade entering part is a slit or an opening part. Furthermore, vertical grooves which run through the cutting part are set on the seedling supporting part so as to support a seedling stem when cutting, and the vertical grooves are inclinedly formed so as to apply to along a seedling stem. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a grafting seedling cutter for cutting a seedling to be grafted (rootstock, hogi).

  Conventionally, when cutting a grafted seedling, it has been manually cut one by one with a razor blade so that the cut end has a predetermined inclination angle such as 30 ° or 45 °.

The manual operation of cutting with a conventional razor blade has the following problems.
(1) Since the cutting angle is determined by intuition and cutting is performed, the cutting angle varies. The greater the number of workers, the greater the variation due to individual differences.
(2) There is a difference in work efficiency and work accuracy between skilled and unskilled workers. The skilled person takes about 40 minutes to cut the seedling of one tray (for 128), but it takes more time for an unskilled person. Moreover, it is difficult for an unskilled person to clean the cut surface, and it tends to be uneven.
(3) If there is variation in the cutting angle, grafting will be difficult, grafting failures will easily occur, and work efficiency and seedling yield (establishment rate) will also decrease.
(4) The grafting work for a large number of trees takes a great deal of time, requires many workers, and contributes to the high cost of the seedlings.
(5) Since the cutting work is performed with the razor in hand, the operator is easily injured, and there is a problem in terms of safety.

  The present invention provides a seedling cutter for grafting that can be easily used by anyone, can cut a seedling efficiently at the same angle regardless of whether it is an expert or an unskilled person, and is less likely to fail or injure.

  The grafting seedling cutter of the present application is provided with a cutting portion at the tip of two gripping pieces that can be opened and closed by one-hand operation, and the cutting portion is provided with a downward slope or an upward slope with respect to the gripping piece. Is provided with a cutting blade, the other cutting part is provided with a seedling support part, the seedling support part is provided with a blade entry part into which the cutting blade can enter, and when both gripping pieces are closed, the seedlings become the seedling support part. While being supported, the cutting blade entered the blade entry portion so that the seedling could be cut. The blade entry portion was a slit or an opening. In addition, a vertical groove that cuts the cutting part is provided in the seedling support part so that the stem of the seedling can be supported at the time of cutting, and the vertical groove is formed obliquely so that it can be routed along the seedling stem. did.

The seedling cutter for grafting of the present application has the following effects.
(1) Since the two grip pieces can be opened and closed by one-handed operation, it can be cut by holding it in one hand and holding a seedling in the other hand, so it is easy to cut the seedling.
(2) Since the cutting part is inclined obliquely downward or obliquely upward with respect to the gripping piece, the gripping part is inclined along the seedlings grown in the seedling tray or seedling pot even if the gripping piece is held horizontally, Since it is easy to reach the seedlings, cutting work becomes easy and work efficiency improves. Also, it can be cut at a certain angle.
(3) The cutting part is provided with a seedling support part with a cutting blade and a blade entry part, and when both gripping pieces are closed, the cutting blade can enter the blade entry part and cut the seedling, so that the cutting surface of the seedling becomes jagged. It becomes beautiful. This reduces grafting failures.
(4) Since the blade entry portion is a slit or an opening, it becomes easy to cut the seedling, and the cutting surface of the seedling is more easily cleaned. For this reason, the survival rate of grafts is improved and the number of failures is reduced.
(5) Since a vertical groove that can hold the stems of seedlings is provided, the seedlings can be positioned and cut in the vertical grooves when cutting, and the seedlings are stable at the time of cutting. It becomes possible. In addition, no skill is required for the work, and the seedling can be accurately cut at a certain angle regardless of who is working.
(6) Since the longitudinal groove cuts through the cutting part, the cutting blade that cuts the seedling can enter the blade entry part as it is, and can reliably cut the seedling, and can cut without leaving a thin skin of the seedling.
(7) Longitudinal grooves are formed in a slanting vertical direction at an angle that can be addressed along the stalks of the seedlings. The seedlings are stabilized.
(8) The blade can be replaced easily and safely, and a single grafting seedling cutter can be used over a long period of time.

(Embodiment 1)
An example of an embodiment of the seedling cutter for grafting according to the present invention will be described with reference to FIGS. As shown in FIG. 1, the grafting seedling cutter 1 includes two gripping pieces 2 and 3 that can be opened and closed by one-hand operation, and cutting portions 2 a and 3 a are provided at the ends of the respective gripping pieces 2 and 3. The cutting portion 2a on one side (the thumb side in FIG. 1) is provided with a cutting blade 4, and the cutting portion 3a on the other side (the index finger side in FIG. 1) is provided with a slit 5 into which the cutting blade 4 can enter. Further, a longitudinal groove 7 capable of supporting the sap 6 of the seedling is formed so as to penetrate the inner surface of the cutting part 3a vertically. In this grafting seedling cutter 1, as shown in FIG. 3, the stem 6 of the seedling (rootstock, hogi) is supported (aligned) by the longitudinal groove 7, and in this state, both the gripping pieces 2, 3 are closed. Thus, the stem 6 pushed by the cutting blade 4 is supported in the vertical groove 7 and the cutting blade 4 enters the slit 5 so that the stem 6 can be cut.

  As shown in FIG. 1, each of the grip pieces 2 and 3 is a member provided with cutting portions 2a and 3a at the tip of a grip portion to be gripped and operated with one hand. The rear end of one of the two pieces shown in FIG. 1 (for example, the index finger side in FIG. 1) is bent in an L-shape sideways, and the other holding piece 2 (the thumb side in FIG. 1). It connects so that it can rotate centering | focusing on the rear-end part and the connection part 8. FIG. In this example, as shown in FIG. 1, both the gripping pieces 2 and 3 are connected in parallel. As shown in FIG. 2, the gripping pieces 2 and 3 are connected by overlapping a hole 3 b opened at the rear end of the gripping piece 3 with a hole 2 b opened at the rear end of the gripping piece 2. 3b, a metal cylinder 8a is inserted and locked with a screw 8b. As shown in FIG. 3, by inserting the metal cylinder 8a into the holes 2b and 3b, the backlash of the connecting portion is eliminated, and the wear of the holes 2b and 3b is prevented. The gripping pieces 2 and 3 can be opened and closed smoothly. A spring 9 is provided between the two gripping pieces 2 and 3 so that the two gripping pieces 2 and 3 can be held in an open state. Further, a guide projection 10 is provided so as to protrude inward from the inner side surface of one gripping piece 2, a guide groove 11 is formed on the inner side surface of the other gripping piece 3, and the distal end portion of the guide projection 10 is a guide. It can be slidably inserted into the groove 11 to guide the gripping pieces 2 and 3 so as not to be displaced in the vertical direction, and to guide the opening and closing of the gripping pieces 2 and 3 to restrict over-opening and closing. I am doing so. In addition, a bolt 12 is protruded from the inner surface of one gripping piece 3 so that the gripping pieces 2 and 3 can be prevented from being too closed. Anti-slip grooves 13 are formed on the outer surfaces of the gripping pieces 2 and 3. The gripping pieces 2 and 3 can be made of any material such as hard resin or metal.

  As shown in FIG. 1, cutting portions 2 a and 3 a are provided at the ends of the gripping pieces 2 and 3. In this example, as shown in FIG. 1, the cutting portions 2 a and 3 a are provided so as to be inclined downward with respect to the main body portions of the gripping pieces 2 and 3. As long as the inclination angle of the cutting parts 2a and 3a is the same inclination angle between the cutting parts 2a and 3a, for example, it is inclined downward by 30 ° with respect to the main body part of the gripping pieces 2 and 3, an arbitrary inclination angle It can be. Further, the cutting portions 2a and 3a can be inclined upward with respect to the gripping pieces 2 and 3. By the inclination of the cutting parts 2a and 3a, the plant stem 6 can be cut at a predetermined angle.

  As shown in FIG. 3, the cutting portion 2 a of one gripping piece 2 includes a blade fixture 15 attached at a downward inclination in a groove 14 formed at a tip portion of the gripping piece 2, and the blade fixture 15. It consists of a cutting blade 4 attached to the upper surface near the tip. The groove 14 has a width that allows the blade attachment 15 to be fitted therein, and is formed such that when the blade attachment 15 is fitted and attached, the blade attachment 15 is inclined downward at a predetermined angle. As shown in FIG. 3, the blade fixture 15 is an elongated plate-like member made of metal that can be fitted into the groove 14, and a slide groove 16 is formed in the vicinity of the rear end. The cutting blade 4 can be attached to the upper surface of the distal end portion of the blade fixture 15. The blade mounting tool 15 is fitted in the groove 14, and a stopper (screw) 17 is inserted and fixed in the slide groove 16 to be attached to the gripping piece 2 at a predetermined angle. The cutting blade 4 is a thin blade such as a razor blade. The cutting blade 4 is detachably attached by a blade stopper (screw) 18 in the vicinity of the tip of the blade attachment 15. The cutting blade 4 has an inward protrusion length of the cutting edge 4a that is shorter on the front end 4a and longer on the rear end 4b so that it is inclined with respect to the slit 5, and the slit 5 is moved forward from the rear end 4b. The stem 6 can also be cut smoothly so that it can enter. In that case, the angle of the cutting blade 4 can be adjusted by adjusting the angle of attachment of the cutting blade 4 to the blade mounting tool 15, or the tip portion of the blade mounting tool 15 can be formed at an angle to the left and right in advance. The cutting blade 4 can also be angled. The cutting position of the cutting blade 4 can be changed by sliding the blade fixture 15 back and forth along the slide groove 16 and changing the fixing position by the screw 17. Accordingly, the cutting edge 4 of one sheet can be shifted from the cutting position by the part where the sharpness is deteriorated, and the sharp part can be slid to the cutting position, so that the stem 6 can always be cut with the good sharpness. Can do.

  As shown in FIG. 3, the cutting portion 3 a of the other gripping piece 3 is formed between the stalks 6 of the seedlings that are formed to be inclined downwardly with respect to the main body portion of the gripping piece 3 and grown side by side on a tray or the like. It is arranged in. The cutting part 3a is formed with a slit 5 as a blade entry part into which the cutting blade 4 can enter. The slit 5 has a width and a length that allow the cutting blade 4 to enter, and is provided to penetrate from the inner surface to the outer surface of the cutting portion 3a. Moreover, as shown in FIG. 3, the vertical groove 7 which can hold | maintain the seedling stem 6 is formed in the inner surface of the cutting part 3a of the holding piece 3. As shown in FIG. The vertical groove 7 is formed so as to penetrate the inner surface of the cutting part 3a vertically. As shown in FIG. 3, the vertical groove 7 is formed in an obliquely vertical direction with respect to the cutting portion 3 a at an inclination angle that can be addressed along the vertically oriented seedling stalk 6. Therefore, as shown in FIG. 3, when the cutting portion 3 a is directed to the stem 6, the vertically oriented seedling stem 6 can be supported in the longitudinal groove 7, and the gripping pieces 2, 3 are held in this state. By closing, the stem 6 supported in the longitudinal groove 7 is pushed by the cutting blade 4, and the cutting blade 4 can enter the slit 5 to cut the stem 6.

(Embodiment 2)
As shown in FIG. 4, instead of the slit 5 described in the first embodiment, the cutting portion 3a is provided with an opening 20 formed by excising the upper half of the cutting portion 3a, and the gripping pieces 2 and 3 are closed. Sometimes the cutting blade 4 enters the inside of the opening 20 so that the stalk 6 of the seedling can be cut. The blade entry portion provided in the cutting portion 3a can be of any configuration other than those described above as long as the cutting blade 4 can enter.

(Embodiment 3)
A plurality of vertical grooves 7 are formed inside the cutting portion 3a so that the stem 6 can be supported by any of the vertical grooves 7, and the cutting position of the cutting blade 4 is changed without sliding the cutting blade 4. The stem 6 can also be cut. In this case, it is not necessary to slide the cutting blade 4 back and forth. Moreover, it is also possible to support a plurality of types of stems 6 having different diameters by changing the diameter of the plurality of longitudinal grooves 7 to be formed.

(Embodiment 4)
The cutting portion 2a is not limited to the configuration including the cutting blade 4 on the blade fixture 15 attached to the gripping piece 2 as shown in FIG. 1, and similarly to the other cutting portion 3a in FIG. It is possible to adopt an arbitrary configuration such as a configuration in which the distal end portion is deformed downwardly and the cutting blade 4 is provided inside thereof.

(Embodiment 5)
In the seedling cutter for grafting of the present invention, the two gripping pieces can be arbitrarily configured as long as they can be opened and closed by one-hand operation, for example, by connecting the rear ends to a V shape.

  The seedling cutter for grafting of the present invention is not limited to cutting of seedlings for grafting (rootstock, hogi), and can be applied to cutting of other plants and rod-shaped members.

The perspective view which shows an example of embodiment of the seedling cutter for grafting of this invention. The disassembled perspective view which shows the seedling cutter for grafting shown in FIG. The partial perspective explanatory view which shows the cutting part of the seedling cutter for grafting shown in FIG. The partial perspective explanatory view showing other examples of the embodiment of the seedling cutter for grafting of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seedling cutter 2 Holding piece 2a Cutting part 2b Hole 3 Holding piece 3a Cutting part 3b Hole 4 Cutting blade 5 Slit 6 (Sapling) Stem 7 Vertical groove 8 Connection part 8a Metal cylinder 8b Screw 9 Spring 10 Guide protrusion 11 Guide groove 12 Bolt 13 Non-slip groove 14 Groove 15 Blade attachment 16 Slide groove 17 Stopper (screw)
18 Blade stopper (screw)
20 opening

Claims (4)

  A cutting part is provided at the tip of two gripping pieces that can be opened and closed by one-hand operation, the cutting part is provided with a downward inclination or an upward inclination with respect to the gripping piece, one cutting part is provided with a cutting blade, and the other The cutting part is provided with a seedling support part, and the seedling support part is provided with a blade entry part into which the cutting blade can enter. When both gripping pieces are closed, the seedling is supported by the seedling support part and the cutting blade enters the blade. A seedling cutter for grafting, characterized in that it can enter the department and cut the seedling.   The seedling cutter for grafting according to claim 1, wherein the blade entry portion is a slit or an opening.   The seedling cutter for grafting according to claim 1 or 2, wherein a longitudinal groove capable of supporting a stem of the seedling is formed in the seedling support part in a longitudinal direction with respect to the cutting part.   The seedling cutter for grafting according to claim 3, wherein the longitudinal groove is formed obliquely and vertically at an angle at which the longitudinal groove can be addressed along the stem of the seedling.

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