JP2880465B2 - Automatic grafting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic grafting apparatus for grafting a scion to a stock.

[0002]

2. Description of the Related Art Grafting is a method in which a part of a plant (spike) is joined to another plant (stock) to obtain a plant having desired properties, thereby regulating the vigor and promoting flowering. As a result, it is possible to increase the amount of results and improve the quality. An example of an automatic grafting apparatus that automatically performs the grafting process as described above is disclosed in Japanese Utility Model Laid-Open No. 61-31038. In this automatic grafting device, as shown in FIG. 18 of the above publication, the stem of the scion is cut into a wedge shape,
A hole is formed at the upper end of the stem of the rootstock, and the stem of the scion is inserted into the hole at the upper end of the stem of the rootstock to perform grafting.

[0003]

In the above-mentioned automatic grafting apparatus, the grafting process is performed by inserting the stem of the scion into the hole at the upper end of the stem of the rootstock. There is a possibility that the scions may come off from the rootstock due to a shock or the like when the rootstock comes out of the automatic grafting device later and is transferred to another device. SUMMARY OF THE INVENTION It is an object of the present invention to provide an automatic grafting apparatus that can prevent a scion from falling off from a stock after a grafting process.

[0004]

[1]

A joining means for joining the joints equivalent to the rootstock and the joints equivalent to the scion at a predetermined position, and supplying a fixed medium to the joint of the stock and scion located at the predetermined position after joining, Fixing means for fixing the joint of the stock and the scion with a fixing medium.

[2] A joining means for joining a portion corresponding to a rootstock and a portion corresponding to a scion to each other at a predetermined position, and a machine for joining a rootstock and a scion located at a predetermined position after joining. And a fixing means for fixing a joint portion of the stock and the scion with the fixing medium by attaching a fixed fixing medium.

[3] The configuration according to the above [1] or [2], further comprising a cutting means for cutting a portion corresponding to the rootstock and a portion corresponding to the splint into a predetermined bonding shape.

[0007]

[Action]

[I] In the automatic grafting device described in Japanese Utility Model Application Laid-Open No. 61-31038, the stalk portion of the scion is inserted into the hole at the upper end of the stalk portion of the rootstock to perform the grafting process. The scion is held by the rootstock due to the friction between the stems at. On the other hand, according to the feature of claim 1, after the scion is joined to the stock, the fixed medium is supplied to the joint of the stock and scion, and the joint of the stock and scion is fixed by the fixed medium. Fixed. In this way, by fixing the joint portion of the stock and the scion with a fixing medium different from the stock and the scion, the scion is attached to the stock by the friction between the stems at the insertion portion as described above. The scion can be firmly held on the stock compared to the holding structure.

In this case, when the scion is joined to the stock at a predetermined position, the combined stock and scion are transported from the above-described predetermined position to another position (a position where the fixing means is disposed). Then, it is conceivable to supply the fixing medium from the fixing means to the joint of the stock and the scion at another position. However, with this configuration, when the rootstock and splint after joining are transported from a predetermined position to another position, the joint part of the rootstock and splint is displaced, and the fixed medium at the above-described another position is displaced. In some cases, the joint of the stock and the scion cannot be fixed properly.

According to the first aspect of the present invention, when the scion is joined to the stock at a predetermined position, the fixed medium is supplied to the joint between the stock and the scion located at the predetermined position. Then, the joint part of the stock and the scion is fixed by the fixing medium. After joining the stock and scion at the predetermined position as described above,
By moving the joined rootstock and splint from a predetermined position without moving the rootstock and splint from the predetermined position, and fixing the joint part of the rootstock and splint with the fixing medium at this predetermined position, There is no such thing as the joint part of the stock and the scion shift due to the conveyance after the scion joining.

[II] According to the feature of the second aspect, similar to the case of the first aspect, the present invention has the “action” described in the preceding item [I], and additionally has the following “action” in addition to this. ing. According to the features of claim 2, after the scion is joined to the stock, a mechanical fixing medium (for example, a band or a tape) is attached to the joint of the stock and the scion, and the mechanical fixing medium is attached. Thereby, the joint part of the stock and the scion is fixed.

By using the mechanical fixing medium as described above, when the fixing medium is attached to the joint of the stock and the scion, the fixing medium fixes the joint of the stock and the scion from the moment of attachment. Demonstrate the function of. Therefore, there is no possibility that the scion comes off from the stock after the fixing medium is attached to the joint between the stock and the scion until the fixing medium fully exerts the fixing function. In addition, when the fixing medium is a mechanical fixing medium, the fixing medium can be easily removed from the joint of the stock and the scion and reused.

[III] According to the feature of the third aspect, similar to the case of the first aspect or the second aspect, the “action” described in the preceding item [I] or [II] is provided. It has various “actions”.
According to the third aspect of the present invention, when the cutting means for cutting the joint corresponding portion of the rootstock and the joint equivalent portion of the scion into a predetermined joint shape is provided, the rootstock and the scion hardly shift from each other at the joint equivalent portion. Such a predetermined joining shape can be set. Thus, when the fixed medium is supplied to the joint of the stock and the scion after the scion is joined to the stock, the fixed medium itself shifts the joint of the stock and the scion. Less.

[0013]

According to the first aspect of the present invention, the scions can be firmly held by the stock by fixing the joints of the stock and scions with a fixing medium different from the stock and scions. As a result, it was possible to reduce the state in which the scion comes off from the rootstock after the grafting process. Thereby, the survival rate of the automatic grafting device could be improved. After the rootstock and splint are joined at a predetermined position, the rootstock and splint are not moved from the predetermined position, and the rootstock and splint are joined by the fixed medium at the predetermined position. By fixing the parts, the joint of the stock and the splint is not displaced until the supply of the fixing medium, so that the survival rate of the automatic grafting device is further improved. Was completed.

According to the features of the second aspect, similar to the first aspect, the "effect of the invention" of the first aspect is provided, and in addition to this, the following "effect of the invention" is provided. . By using a mechanical fixing medium as in the feature of claim 2, when the fixing medium is attached to the joint of the stock and the scion, the joint of the stock and scion from the moment of attachment is attached. Since the function of fixing the scion can be exerted, the condition that the scion comes off from the stock can be further reduced. Thereby, the survival rate of the automatic grafting device could be further improved. In the case of the mechanical fixing medium according to the second aspect, the fixing medium can be easily removed from the joint of the stock and the scion and reused, so that the production cost can be reduced. But it was an advantage.

According to the features of claim 3, claim 1 or 2
Similarly to the above, the present invention has the "effect of the invention" of claim 1 or 2, and additionally has the following "effect of the invention". According to the third aspect of the present invention, when the cutting means for cutting the joint corresponding portion of the rootstock and the joint equivalent portion of the scion into a predetermined joint shape is provided, the rootstock and the scion hardly shift from each other at the joint equivalent portion. Since such a predetermined joint shape can be set, when the fixed medium is supplied to the joint part of the stock and the scion, it is said that the fixed medium itself shifts the joint part of the stock and the scion. Less. This allows
The state that the scion comes off from the stock can be further reduced, and the survival rate of the automatic grafting device can be further improved.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing embodiments thereof. As shown in FIGS. 1 and 2, a joining means 6 for holding and joining a stock A and a scion B individually is provided, and a stock that is cultivated in a flower pot 11 and is arranged horizontally on a mounting table 12. A (a tip of the stock A is roughly cut off as necessary) to prevent the tip of the stock A from being damaged.
The rootstock holding means 61 for elastically holding the seedlings 1a via the springs 62a and the scionholding means 62 for elastically holding the seedlings B sowed and germinated via the springs 62a so as not to be damaged. Means 6 are constituted.

A moving table 82 is provided which reciprocates in a direction approaching and moving away from the mounting table 12 in response to rotation of the screw shaft 14 connected to the output shaft 13a of the motor 13 in both forward and reverse directions.
By a turning motor 81 mounted on a moving table 82 together with a fixing device 91 and the like described later, the turning unit 81 turns 90 ° at a time, and a first posture (a posture indicated by a solid line in FIG. 1) and a second posture (a two-dot chain line in FIG. 1). 3), and a three-way arm 15 which takes three postures (a posture shown in FIG. 2) and a first arm 15 a constituting a part of the three-way arm 15. Means 62 are provided.

The first, second, and third postures will be specifically described. The first posture is a posture in which the first arm 15a is located farthest from the rootstock A, and the third posture is a first arm 15a.
Is a posture that turns 180 ° from the first posture and becomes a position closest to the rootstock A. The second posture is a posture in which the first arm 15a is located at an intermediate position between the first and second postures.

The remaining second arm 15b of the three-way arm 15
Is extended in a direction substantially perpendicular to the first arm 15a, and assumes an upward posture in the first posture. Three-way arm 1
The remaining third arm 15c of 5 extends on the opposite side of the first arm 15a, and is located closest to the stock A in the first posture. The proximity sensor 17 is attached to the tip of the third arm 15c, and the tip of the rootstock A is sensed by the proximity sensor 17.

A cutting means 7 for cutting each of the portions corresponding to the joining of the stock A and the scion B into a predetermined joining shape while holding the stock A and the scion B by the joining means 6 is provided. The cam means 71b supported by the support member 71a extended from 82 is moved to the mounting table 12 supporting the flowerpot 11 (hereinafter referred to as the rootstock A side). A cam roller type scion cutter 71 for cutting the joint portions of the scion B arranged between them into a predetermined joint shape by bringing the blade portions close to each other;
Is rotatably mounted on the distal end of the second arm 15b, and by rotating it to pivot the three-way arm 15 from the first position to the second position, the stock A held by the stock holding means 61. The cutting means 7 is composed of a rotation cutting type rootstock cutter 72 that cuts a portion corresponding to the above into a predetermined joining shape.

The distance from the center of rotation of the three-way arm 15 to the tip of the cutting portion of the scion B held and cut by the scion holding means 62 is from the center of rotation of the three-way arm 15 to the cutting edge of the stock cutter 72. Constant distance α, rather than distance to distant position
(See FIG. 1).

While holding the stock A and the scion B with the joining means 6, there is provided a positioning means 8 for adjusting the position of a joint corresponding to the stock A and the scion B cut into a predetermined joining shape. In addition, the positioning means 8 is constituted by a turning motor 81 and a moving table 82 as main elements.

A fixing means 9 is provided for fixing the joint portion of the stock A and the scion B whose positions corresponding to the joining have been adjusted by the positioning means 8, and the fixing means 9 is mounted on a movable base 82. , A fixing device 91 for feeding out a fixing medium such as a band or a tape and fixing the joint with the fixing medium.

When the grafting process of the scion B to the stock A is performed by the above structure, first, the flowerpot 11 is placed on the mounting table 12, and the stock A is held by the stock holding means 61. With the 15 in the first posture shown in FIG. 1, the scion B is supplied to the tip of the first arm 15a and the scion B is held by the scion holding means 62.

Next, while the three-way arm 15 is in the first position, the movable table 82 is moved to the stock A, and the proximity sensor 1 is moved.
Until the tip 7 of the stock A is detected, the scion cutter 71 cuts a portion corresponding to the joint of the scion B into a predetermined joint shape. Then, the moving table 82 is further moved to the stock A, and when the proximity sensor 17 detects the tip of the stock A, the movement of the moving table 82 is stopped, and the rotation of the stock cutter 72 is started. By rotating the three-way arm 15 by 90 ° to the second posture while maintaining the position, the portion corresponding to the joint of the stock A is cut into a predetermined joint shape.

When a portion corresponding to the joint of the stock A is cut into a predetermined joint shape, the three-way arm 15 is further turned by 90 ° while stopping the rotation of the stock cutter 72. At this time, as shown in FIG. 2, the joint corresponding to the stock A and the joint equivalent to the scion B are in a state in which they face each other with a predetermined distance α. Table 82
Is moved toward the stock A by a certain distance α, and the position corresponding to the joint of the stock A and the position of the joint of the scion B are aligned. In order to more reliably move the moving table 82 by a certain distance α, a stopper 82 is provided at a predetermined position on the moving table 82.
In this case, the movable table 82 may be forcibly positioned by bringing the stopper 82a into contact with the fixed portion.

Next, the joint between the stock A and the scion B that have been aligned is fixed using a fixing medium fed out from the fixing device 91. In this way, the stock A and the scion B
Is completed, the holding of the scion B by the scion holding means 62 is released, the moving table 82 is returned to the original position, and then the three-way arm 15 is turned 180 ° in the reverse direction. Return to the first position. The holding by the stock holding means 61 is released, and the stock A with the scion B grafted is removed together with the flowerpot 11.

Alternative Embodiment (a) In the above embodiment, the stock A and the scion B are configured to be held at one place, but the stock A and the scion B are held at two places. In this case, the stock A and the scion B grown in the oblique direction can be straightened, and the alignment of the portion corresponding to the joining can be more reliably performed.

(B) In the above-described embodiment, the distance from the center of rotation of the three-way arm 15 to the furthest position of the cutting edge from the rotation of the three-way arm 15 to the stock cutter 72 is held by the scion holding means 62 from the center of rotation of the three-way arm 15. If the distance between the cut scion B and the tip of the cutting portion is matched, the three-way arm 15 is moved from the state where the stock A is cut by the stock cutter 72 (second posture).
Is rotated by 90 °, so that the position corresponding to the joint of the rootstock A and the position of the joint of the scion B are aligned.

(C) In the above embodiment, the three-way arm 15
Is rotated by 180 °, the three-way arm 15 is reversed to return to the original first posture.
It is also possible to make a 60 ° turn to return to the original first posture.

(D) As an embodiment different from the above-described embodiment, as shown in FIGS. 3 and 4, the plant pot 11 having the rootstock A cured is translated in an intermittent feed system by using an automatic transfer device 20. An embodiment for causing this to occur is considered. As shown in FIG. 3 and FIG. 4, the mounting position S1 in which the flowerpot 11 in which the rootstock A has been cured is carried in and the rootstock A is held by the rootstock holding means 61 ′.
After the flowerpot 11 is translated, after the flowerpot 11 is further translated, the rootstock cutter 72 '(corresponding to the cutting means) cuts the joint corresponding to the rootstock A into a predetermined joint shape. While the scion B is held by the scion holding means 62 'so as to supply the scion B to the stock A, the portion corresponding to the joint of the scion B is connected to the scion cutter 71' (corresponding to the cutting means). A scion holding cutting position S3 is provided for cutting into a predetermined joint shape by using.

Ears whose joints have been cut into a predetermined joint shape using a swivel arm 21 (corresponding to joining means) that rotates 180 ° with respect to the stock A whose joints have been cut into a predetermined joint shape. After turning 180 ° to align the tree B, the swivel arm 21 is moved in parallel, and a fixed medium is fixed to the joint between the stock A and the scion B from the fixing device 91 ′ (corresponding to the fixing means 9). Alignment fixing position S for extending and fixing the joint of the stock A and the scion B with the fixing medium
4. A removal position S5 is provided for taking out the stock A to which the scion B has been grafted together with the flowerpot 11.

The stock cutter 72 'is mounted on the inclined base 22 together with the swivel arm 21 and the scion cutter 71'.
By parallel moving the rotary blade along the inclined surface of the inclined base 22 so as to approach the rootstock A side, a portion corresponding to the rootstock A is cut into a predetermined bonding shape. The information on the parallel movement distance of the rotary blade at the time of cutting is used when the scion B is aligned with the stock A at the alignment fixed position S4.

In this case, the alignment fixed position S4
At this time, while holding the scion B cut by the scion cutter 71 ′, the stock A along the inclined surface of the inclined base 22 while the turning arm 21 has completely turned downward by 180 °.
Side, and the position corresponding to the joint between the stock A and the scion B is aligned, and the amount of parallel movement is set based on the above-mentioned information.

Incidentally, reference numerals are provided in the claims for convenience of comparison with the drawings, but the present invention is not limited to the structure of the attached drawings by the entry.

[Brief description of the drawings]

FIG. 1 is a side view showing a state where a three-way arm is in a first posture.

FIG. 2 is a side view showing a state where the three-way arm is in a third posture.

FIG. 3 is a front view of an automatic grafting device according to another embodiment.

FIG. 4 is a longitudinal sectional side view seen from the direction of IV-IV in FIG. 3;

[Explanation of symbols]

 6,21 Joining means 7 Cutting means 9 Fixing means A Rootstock B Hogi

Claims (3)

(57) [Claims] 1. A portion corresponding to a joint of a stock (A) and a scion (B).
Joining means (6) and (21) for joining together a portion corresponding to the above at a predetermined position; and the stock (A) located at the predetermined position after the joining.
And a fixing means (9) for supplying a fixing medium to the joint of the scion (B) and fixing the joint of the stock (A) and the scion (B) with the fixing medium. Grafting equipment. 2. A portion corresponding to a joint of a stock (A) and a scion (B).
Joining means (6) and (21) for joining together a portion corresponding to the above at a predetermined position; and the stock (A) located at the predetermined position after the joining.
A mechanical fixing medium is attached to the joint between the headstock and the scion (B), and the rootstock (A) and the scion (B) are attached by the fixing medium.
An automatic grafting device comprising: fixing means (9) for fixing the joint of (1). 3. The cutting means (7) according to claim 1 or 2, further comprising a cutting means (7) for cutting a portion corresponding to the joining of the stock (A) and a portion corresponding to the joining of the scion (B) into a predetermined joining shape. Automatic grafting device.