JPH10155360A - Grafting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent taking defects while surely adhering and joining a scion and a rootstock. SOLUTION: In this grafting device provided with an adhesive application means for applying an adhesive 3 to the periphery of the tight adhesion part of the scion (a) and the rootstock (b) so as to join the scion (a) and the rootstock (b) whose end faces are tightly adhered with each other and forming a grafted nursery plant, the adhesive application means is constituted so as to apply the adhesive 3 only to one part in a peripheral direction among the periphery of the tight adhesion part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grafting device for joining a scion and a rootstock in a grafting facility for vegetable seedlings and the like. The present invention relates to an apparatus provided with an adhesive applying means for applying an adhesive around a contact portion between a scion and a stock so as to form a grafted plant by joining a stock.

[0002]

2. Description of the Related Art To join a scion and a stock with an adhesive,
Conventionally, an adhesive has been applied to the entire periphery of the contact portion between the scion and the rootstock in order to perform the joining reliably and strongly.

[0003]

However, according to the above-mentioned conventional technique, the entire periphery of the contact portion is covered with the adhesive, so that the sap cannot escape from the contact portion. The internal pressure of the seedlings increased, making it difficult to take root.

An object of the present invention is to prevent poor rooting while securely bonding and bonding a scion and a stock.

[0005]

The features, functions and effects of the first aspect of the present invention are as follows.

[Features] Adhesive applying means for applying an adhesive around a contact portion between a scion and a stock so as to form a grafted seedling by joining a scion and a stock with their end surfaces in close contact with each other. Wherein the adhesive application means is configured to apply the adhesive only to a part of the periphery of the contact portion in the circumferential direction.

[Action] As a result of experiments and research, the present inventors have found that the adhesive is applied not to the entire circumference but to about 70 to 80% of the entire circumference of the close contact portion, so that the It has been found that the tree and the rootstock can be securely bonded and joined.

Focusing on the above points, according to the first aspect of the present invention, the adhesive is applied only to a part of the circumferential direction, not the entire circumference of the contact portion, so that the adhesive is applied to the contact portion. Can be formed, that is, a portion that allows sap to escape.

[Effects] As a result, according to the first invention,
While a good grafted seedling in which the scion and the rootstock were securely bonded to each other could be produced, an increase in the internal pressure of the grafted seedling was prevented, and the grafted seedling was able to have good survival.

According to the second aspect of the present invention, the feature, operation and
The effects are as follows.

[Features] In the features of the first invention,
A feature of the adhesive applying means is that a plurality of nozzles for spraying the adhesive are dispersed and arranged in the circumferential direction.

According to the second aspect of the present invention, since the adhesive is applied to the portion by spraying the adhesive from the nozzle, the adhesive can be applied to the contact portion in a non-contact state. Therefore, it is possible to prevent the displacement of the close contact portion due to the above.

In addition, by dispersing a plurality of nozzles in the circumferential direction, it is possible to adjust not only the discharge pressure of the adhesive from the nozzles but also the range of the adhesive to be sprayed by the arrangement of the nozzles. The perimeter of the part to which the adhesive is applied can be set according to the joining conditions such as the type of scion or rootstock or the type of adhesive.

[Effects] Therefore, according to the second aspect of the present invention, highly accurate bonding can be performed by preventing displacement of the contact portion, and furthermore, optimum bonding can be performed according to various bonding conditions.

According to the third aspect of the present invention, the features, operations and
The effects are as follows.

[Features] In the features of the first invention,
To configure the adhesive application means, a spraying range of the adhesive is provided with a nozzle smaller than the circumference of the portion,
The point is that a rotating means for relatively rotating the nozzle and the contact portion is provided.

[Operation] According to the third aspect of the present invention, the adhesive is applied to a part of the periphery of the contact portion by rotating the contact portion and the nozzle relative to each other by rotating means while blowing the adhesive from the nozzle. By adjusting the relative rotation amount, it is possible to adjust the range in which the adhesive is sprayed, so that the circumference of a portion to which the adhesive is applied is determined by the type of scion or rootstock, or the type of adhesive. Can be made according to the various joining conditions.

[Effects] Therefore, according to the third aspect of the present invention, it is possible to perform an optimum joining according to various joining conditions.

According to the fourth aspect of the present invention, the feature, operation and
The effects are as follows.

[Features] In the features of the first invention,
In forming the adhesive applying means, a nozzle for spraying the adhesive to the part is provided, and a mask for preventing the adhesive sprayed by the nozzle from being applied to the part other than the part is provided.

[Operation] According to the fourth aspect of the present invention, since the adhesive sprayed from the nozzle is prevented from being applied to other parts by the mask, the adhesive is accurately applied to only one part. can do.

[Effects] Therefore, according to the fourth aspect of the present invention, the adhesive can be applied to the joining end with high accuracy.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION

[First Embodiment] As shown in FIG. 1, a grafting device includes a first robot hand 1 that grips a scion a and positions it at a joint, and a first robot hand that grips a stock b and positions it at a joint. 2
The robot hand 2 is joined to the robot hand 2 and the scion a and the stock b, which are gripped by the robot hands 1 and 2 and whose ends are brought into close contact with each other at the joint, to form a grafted seedling c so as to form a grafted seedling c. Adhesive applying means for applying the adhesive 3 is provided around the periphery.

As shown in FIGS. 2 to 5, the adhesive applying means applies the adhesive 3 only to a part of the periphery of the contact portion in the circumferential direction, that is, a part of the circumference shorter than the entire circumference. Specifically, two nozzles 4A for spraying a set amount of adhesive 3 which is pressure-fed from a supply source (not shown) at a set pressure are dispersed and arranged in the circumferential direction, and are applied to a part. Two curing nozzles 5 </ b> A for spraying a set amount of a curing accelerator, which is fed at a set pressure from a supply source (not shown) to the adhesive 3 by spraying, are arranged in a dispersed manner.

The circumference of the part to which the adhesive 3 is sprayed is 70 to 80% of the entire circumference.

The adhesive 3 is a cyanoacrylate-based instantaneous adhesive, and the curing accelerator is an acetone-based solvent.

As shown in FIG. 2, the nozzle 4A sprays the adhesive 3 onto a part of the circumference slightly longer than half of the circumference of a part of the nozzle 4A. The angle .theta. And a set amount of the adhesive 3 sprayed at a set pressure by the other nozzle 4A at a circumferential end of the set amount of the adhesive 3 sprayed by the one nozzle 4A at the set pressure. Are arranged so that the adhesive 3 is sprayed so that the other end in the circumferential direction overlaps. In addition, as shown in FIG. 3, the curing nozzle 5A is similarly arranged. The nozzle 4A and the curing nozzle 5A are attached to an elevating frame 6 that is driven up and down within a set range. The lifting frame 6 positions the nozzle 4A corresponding to a part by being located at the upper limit, and positions the nozzle 5A for curing partially, that is, corresponds to the applied adhesive 3 by being located at the lower limit.

Next, the grafting procedure will be described. As shown in FIGS. 1A and 1B, first, a set amount of the adhesive 3 is sprayed onto a part of the periphery of the contact portion with a set pressure by a nozzle 4A. As shown in FIG. 1C, the lifting frame 6 is lowered, and a curing accelerator is sprayed by a curing nozzle 5A on the adhesive 3 sprayed and applied to a part of the frame, thereby joining
In other words, the creation of the grafted seedling c is completed, and the grafted seedling c is taken out of the joint by any one of the robot hands 1 and 2.
Prepare for the next graft.

According to the above-described structure, as shown in FIGS. 4 and 5, a part of the circumference of 70 to 80% of the entire circumference of the contact portion is covered with the adhesive 3 for bonding. However, since 30% to 20% of the non-adhesive portion to which the adhesive 3 is not applied remains at one place around, the sap can be released through this non-adhesive portion.

[Second Embodiment] As shown in FIGS. 6 and 7, the grafting device grips the scion a and positions it at the joint, and grips the stock b. The second robot hand 2 positioned at the joint is joined to the scion a and the rootstock b which are gripped by the two robot hands 1 and 2 and whose end faces are brought into close contact with each other at the joint to form a grafted seedling c. An adhesive applying means for applying the adhesive 3 around the close contact portion is provided so as to be formed.

The adhesive applying means is means for applying the adhesive 3 only to a part of the periphery of the contact portion in the circumferential direction, that is, a part of the circumference shorter than the entire circumference. A pair of nozzles 4B for spraying a set amount of the adhesive 3 sent from a supply source (not shown) at a set pressure to the portion, and the adhesive 3 sprayed by the nozzles 4B is applied to portions other than the portion. A pair of curing nozzles for spraying a set amount of a curing accelerator, which is pressure-fed from a supply source (not shown) from a supply source (not shown) to the adhesive 3 applied to a part of the adhesive 3 5B
And a curing mask 8 for preventing the curing accelerator sprayed by these curing nozzles 5B from scattering other than the adhesive 3 sprayed. One of the nozzle 4B and the mask 7 is attached to one of a pair of first arms 9 that can be freely opened and closed, and the other is:
It is attached to the other first arm 9. The mask 7 exerts an intended function by acting as a weir to stop the flow of the applied adhesive 3 to a part other than the part by elastically adhering to the adhering part with the closing of the first arm 9. Things. One of the curing nozzle 5B and the curing mask 8 is a pair of second arms 10 that can be freely opened and closed.
And the other is attached to the other second arm 10. The mask 7 exerts an intended function by acting as a weir that stops flow of the sprayed adhesive 3 to a part other than a part thereof by elastically adhering to the contact part with the closing of the second arm 10. Things. The first arm 9 and the second arm 10 are attached to an elevating frame 11 that is driven up and down in a set range. The lifting frame 11 positions the nozzle 4B at a position corresponding to a part by being located at the upper limit, and positions the nozzle 5B for curing at a position corresponding to the applied adhesive 3 by being located at the lower limit.

The peripheral length of the part to which the adhesive 3 is sprayed is 70 to 80% of the entire circumference.

The adhesive 3 is a cyanoacrylate-based instant adhesive, and the curing accelerator is an acetone-based solvent.

The mask 7 and the curing mask 8 are made of an elastic material such as silicon.

Next, the procedure of grafting will be described. As shown in FIGS. 8A and 8B, first, a set amount of the adhesive 3 is sprayed onto a part of the periphery of the contact portion with a set pressure by a nozzle 4B. As shown in (c) and (d) of FIG. 8, the elevating frame 11 is lowered, and a curing accelerator is sprayed by a curing nozzle 5B on the adhesive 3 sprayed and applied to a part, thereby joining, that is, grafting. After the creation of the seedling c is completed, the grafted seedling c is taken out from the joint by any one of the robot hands 1 and 2 to prepare for the next grafting.

According to the above configuration, a part of the circumference of 70 to 80% of the entire circumference of the periphery of the contact portion is covered with the adhesive 3 for bonding. Since the non-adhesive portion where the adhesive 3 is not applied remains in 20% of the portion, the sap can be released through the non-adhesive portion.

[Third Embodiment] As shown in FIG. 9, a grafting device is constructed such that a rootstock b planted in a seedling raising container 12 has a scion a
To produce grafted seedlings c.
The robot hand 14 is provided so as to rotate integrally with the turntable 13 so that the lower end surface thereof is brought into contact with the upper end surface of the stock b installed on the turntable 13 so as to rotate integrally with the turntable 13. An adhesive applying means for applying the adhesive 3 around the close contact portion with the stock b is provided.

As shown in FIG. 10, the adhesive applying means is a part of the periphery of the contact portion in the circumferential direction, that is,
This is a means for applying the adhesive 3 only to a part of the circumference that is shorter than the entire circumference. Specifically, a set amount of the adhesive 3 which is fed by a set pressure from a supply source (not shown) is sprayed. A nozzle 4C is provided, and a hardening nozzle 5C is provided, which sprays a set amount of a hardening accelerator, which is fed by a set pressure from a supply source (not shown) to the adhesive 3 applied to a part thereof, by spraying. A rotating means for rotating the close contact portion around the rootstock b with respect to the nozzle 5C is provided.

The circumference of the part to which the adhesive 3 is sprayed is 70 to 80% of the entire circumference.

The adhesive 3 is a cyanoacrylate-based instant adhesive, and the curing accelerator is an acetone-based solvent.

The nozzle 4C has a spray area of the adhesive 3 smaller than the circumferential length of the part, and the nozzle 4C rotates at one end in the circumferential direction with a rotation amount corresponding to the circumferential length of the part of the contact part. The adhesive 3 is sprayed from the side to the other end.

Similarly, in the curing nozzle 5C, the spraying range of the curing accelerator is smaller than the peripheral length of the part, and the rotational speed corresponding to the peripheral length of the part of the close contact portion is different from that described above. With the rotation in the opposite direction, a curing accelerator is sprayed from the other end to the one end in the circumferential direction of the adhesive 3.

The rotating means is provided with a motor 15 for rotating the turntable 13.

Then, the nozzle 4C and the curing nozzle 5C
Is mounted on a lifting frame 16 that is driven up and down in a set range. The elevating frame 16 positions the nozzle 4C at a position corresponding to a part by being located at the upper limit, and positions the nozzle 5C for curing at a position corresponding to the applied adhesive 3 by being located at the lower limit.

Next, the procedure of grafting will be described. First, by spraying the adhesive 3 while rotating the contact portion, a predetermined amount of the adhesive 3 is sprayed on a part of the periphery of the contact portion at a set pressure by a nozzle 4C. After lowering the elevating frame 16, the curing accelerator is sprayed by the curing nozzle 5C while rotating the contact portion in the opposite direction to the above, and the curing accelerator is sprayed on the adhesive 3 sprayed and applied to a part. After the joining, that is, the creation of the grafted seedling c is completed, the grafted seedling c is taken out from the turntable 13 by the robot hand 14 and prepared for the next grafted seedling.

According to the above configuration, a part of the circumference of 70 to 80% of the entire circumference of the close contact portion is covered with the adhesive 3 for bonding. Since the non-adhesive portion where the adhesive 3 is not applied remains in 20% of the portion, the sap can be released through the non-adhesive portion.

[Alternative Embodiment] In the second embodiment, as shown in FIG. 11, the air nozzle 1 is formed at a position opposed to the nozzle 4B with a close contact portion therebetween, as shown in FIG.
7 to prevent the adhesive 3 sprayed around the contact portion by the nozzle 4B from flowing around.
8 is formed, and the air curtain 18 is used as the mask 7.

In the first embodiment, the adhesive 3 applied around the contact portion is formed in a series in the circumferential direction.
As shown in (a) and (b) of FIG. 2, the adhesive 3 may be applied as being interrupted in the circumferential direction.

In the third embodiment, the contact portion is rotated. As shown in FIGS. 13 and 14, the nozzle 4C is supported by the robot hand 19, and the nozzle 4C is moved by the movement of the robot hand 19. May be rotated around the rootstock b with respect to the contact portion.

[Brief description of the drawings]

FIG. 1 is a side view showing a grafting procedure according to a first embodiment.

FIG. 2 is a plan view showing the arrangement of nozzles in the first embodiment.

FIG. 3 is a plan view showing an arrangement of a curing nozzle in the first embodiment.

FIG. 4 is a cross-sectional view showing an adhesive application state in the first embodiment.

FIG. 5 is a cross-sectional view showing a state of applying a curing agent in the first embodiment.

FIG. 6 is a side view showing the second embodiment.

FIG. 7 is a plan view showing a second embodiment.

FIG. 8 is a cutaway plan view showing a grafting procedure according to the second embodiment.

FIG. 9 is a side view showing a third embodiment.

FIG. 10 is a sectional view showing an adhesive application procedure in the third embodiment.

FIG. 11 is a plan view showing another embodiment.

FIG. 12 is a sectional view showing an adhesive application state in another embodiment.

FIG. 13 is a side view showing another embodiment.

FIG. 14 is a sectional view showing an adhesive application procedure in another embodiment.

[Explanation of symbols]

 a Hogi b Rootstock c Grafted seedling 3 Adhesive 4A nozzle 4B nozzle 4C nozzle 7 Mask

Claims (4)

[Claims] 1. An adhesive applying means for applying an adhesive around a contact portion between a scion and a stock so as to form a grafted seedling by joining a scion and a stock with their end surfaces in close contact with each other. A grafting device provided, wherein the adhesive applying means is configured to apply an adhesive only to a part of a periphery of the contact portion in a circumferential direction. 2. The grafting device according to claim 1, wherein said adhesive applying means comprises a plurality of nozzles for spraying said adhesive dispersed in a circumferential direction. 3. A method for forming the adhesive applying means, comprising: providing a nozzle having a spray area of the adhesive smaller than a peripheral length of the portion; and providing a rotating means for relatively rotating the nozzle and the contact portion. The grafting device according to claim 1. 4. A method for forming the adhesive applying means, comprising: providing a nozzle for spraying an adhesive to the portion; and providing a mask for preventing the adhesive sprayed by the nozzle from being applied to portions other than the portion. The grafting device of claim 1.