JPH1033060A - Apparatus for grafting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the insertion of an ear part into a clip while correcting the bending of a nursery plant axis of the ear part. SOLUTION: This apparatus for grafting is obtained by holding an ear part cut from a scion nursery plant with a clamp part, transferring the resultant ear part to a stock part in which the ear part is cut and removed from a stock nursery plant, then inserting the ear part from the upper part into a hole of a clip applied to the tip of the stock part and carrying out the grafting. The clamp part is further equipped with holding members for holding the ear part and guide members 46, arranged adjacently to the lower part of the holding members and capable of guiding and centering the nursery plant axis 21b of the ear part. Centering operative parts 52 of the guide members 46 along the center of the nursery plant axis 21b in the opening and closing directions are capable of guiding the lower part of the nursery plant axis 21b with all the plate thickness and openings A and interior parts B other than the centering operative parts 52 are formed into a stepped shape for mutually overlapping in the upper and lower parts and opening and closing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grafting device, and more particularly, to a clamp for gripping a spike cut from a scion seedling and carrying the spike of the stock to the cut and removed stand. Related to the structure.

[0002]

2. Description of the Related Art A grafting apparatus of this kind is composed of a conveyer for a scion transporting a row of seedling trays containing scion seedlings and a conveyer for rootstock transporting a row of seedling trays storing rootstock seedlings. And at a predetermined grafting position, diagonally cut the ears from the scion seedlings conveyed by the above,
The cut ear portion is gripped by the ear portion transporting device having the clamp portion, carried to the pedestal portion where the ear portion has been cut and removed diagonally from the rootstock, and the clip applied to the tip of the pedestal portion is attached to the clip. This is a device that inserts ears and joins them automatically.

[0003] The clip has a holding portion having a substantially circular cross section on the inner diameter side in which the base portion and the spike portion are included.
When inserting the spikes cut from the scion seedlings,
In the clip applied to the tip of the pedestal portion, the clip descended substantially vertically from above and was inserted into the inner diameter side of the holding portion.

[0004] However, depending on the ear part, the seedling axis may be bent. Therefore, in order to insert the ear part securely, a guide member for guiding the seedling axis is provided, and the seedling axis is guided along the guide. Is considered to improve the joining rate.

[0005]

However, the guide member needs to be openable and closable so that the seedling shaft can be gripped from the left and right directions. For example, as shown in FIG. If the seedling axis is to be guided from the left and right by the three plate-like bodies, the bending of the seedling axis is additionally generated, and the seedling axis is guided by the three plate-like bodies from the left and right as shown in FIG. Even so, there is a possibility that the bending of the seedling axis may occur unnecessarily.

Further, when the left and right plate-like bodies are closed, it is conceivable to overlap the back side of the seedling shaft from the guide center position from the left and right so that the seedling shaft does not enter the back. Even when the left and right plate-like members are opened, when the guide surface is on the same radius centering on the opening / closing center of the guide member, the guide surface may come into contact with the seedling shaft, thereby causing damage to the seedling shaft. There is a risk of sticking.

The present invention has been made in order to solve the above-mentioned problem, and an object of the present invention is to damage a seedling shaft even if a seedling shaft of a spike inserted into a clip is slightly bent. It is an object of the present invention to provide a grafting device that can be inserted while correcting a bend without any problem.

[0008]

In order to achieve the above-mentioned object, the present invention relates to a spikelet (21) cut from a spikelet (21).
a) is provided with a clamp part (29) which can be opened and closed to grip the ear part (21) gripped by the clamp part (29).
a) is transferred to the position of the base (23b) where the ears of the rootstock seedling (23) have been cut and removed, and then the hole of the clip (10) joined to the upper part of the seedling axis of the rootstock seedling (23). In the grafting device (1) that is inserted from above into the grafting device, the clamp portion (29) includes a gripping member (45) that grips the spike portion (21a) and a lower portion adjacent to the gripping member (45). Seedling axis (21b) of the ear part (21a) arranged
A guide member (46) that can be opened and closed so as to guide and center the guide member, wherein the guide member (46) is provided with the centering action portion (5) along the center of the seedling axis in the opening and closing direction.
2) The lower part of the seedling shaft (21b) can be guided by the whole thickness, and the opening (A) and the inner part (B) other than the centering action part (52) are vertically overlapped with each other and can be opened and closed. Characterized by being formed in a shape.

The opening (A) and the back (B) of the guide member (46) have guide surfaces (51a, 51b) inclined with respect to the center of the seedling axis in the opening and closing direction, and are located on the back ( The inclination angle (α) of the guide surface (51a) of B) is formed to be smaller than the inclination angle (β) of the guide surface (51b) of the opening side (A).

Further, the seedling shaft (21) of the ear part (21a)
b) is cut diagonally, and the rear side of the cut surface of the seedling shaft (21b) is positioned at the lower side vertically overlapping the guide member (46) to guide the lower portion of the seedling shaft. And

According to the present invention, according to the present invention, the grafting device (1) holds the spike portion (21a) cut from the spikelet seedling (21) with the clamp portion (29). This ear part (21a) is connected to the ear part (2) of the rootstock seedling (23).
3a) is transported to the position of the pedestal (23b) from which it has been cut and removed, and then inserted from above into the hole of the clip (10) applied to the tip of the pedestal (23b) for grafting. The portion (29) is provided with a gripping member (45) for gripping the ear portion (21a), and is disposed below and close to the gripping member (45) to guide the seedling axis of the ear portion (21a) for centering. A guide member (46) which can be opened and closed freely as much as possible.

The guide member (46) has a centering action portion (52) along the center of the seedling shaft (21b) in the opening and closing direction of the guide member (46). ), The opening (A) and the back (B) of the guide member (46) other than the centering action portion (52) overlap with each other vertically and can be opened and closed. Is formed.

Note that the reference numerals in parentheses described above are for comparing the drawings, and do not limit the configuration of the present invention in any way.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall plan view of a grafting device according to the present invention. The grafting device 1 is used to cut a spikelet 21 planted in each seedling pot 19 of a row of seedling trays 18 into a predetermined shape. Scion transport conveyor 22 for transporting to a grafting processing position;
A rootstock transport conveyor 24 for transporting rootstock seedlings 23 planted in each seedling pot 19 ′ of the row seedling tray 18 ′ to a predetermined grafting processing position, And a spike carrier device 26 that holds the spike cut from the base and transports and connects the spike of the rootstock seedling 23 to the cut and removed stand.

The spike carrier device 26 includes a clamp portion 29 which can be opened and closed so as to grip the spike portion cut from the spikelet seedling 21.
1, a lower clamper 15 for clamping the lower part of the seedling shaft, a cutter 16 for cutting the seedling shaft of the scion seedling 21, a rootstock seedling 2
A lower clamper 15 'for clamping the lower part of the seedling shaft 3;
A cutter 16 ′ for cutting the seedling axis of the rootstock seedling 23 is provided. A clip supply device 28 that supplies the clip 10 to the base portion of the rootstock seedling 23 from which the ears have been cut and removed is disposed on the side of the rootstock transport conveyor 24.

Then, as shown in FIGS. 2 (a) to 2 (c), the scion seedling 21 is inclined at an angle of approximately 30 degrees with respect to the seedling axis by the cutter 15 at a predetermined position from its cotyledon position. Is cut off. The rootstock seedling 23 is cut obliquely at an angle of about 30 degrees with respect to the seedling axis at a predetermined position from the cotyledon position by the cutter 15 '.
Then, the spike portion 21a cut from the scion seedling 21 is joined to the pedestal portion 23b obtained by cutting and removing the spike portion 23a of the stock sapling 23 by a clip 10. In this case, a clip is attached to the tip of the stalk 23b. The ears 21a are inserted from above into the clip 10 so that the cut surfaces are in contact with each other, and the clip 10 is closed and further pushed to finish the grafting. .

The reason why the seedling shaft is cut obliquely as described above is to increase the joining area by increasing the joining area when joining the base 23b and the ear 21a.

The spike carrier 26 is shown in FIGS.
(A) As shown in (b), the spikes 21a that are rotatable about the vertical axis (Y-axis) and that are gripped by the clamps 29 are attached to the spikes of the rootstock seedlings 23. After being transported to the cut / removed pedestal 23b, it is inserted from above into the hole of the clip 10 joined to the upper part of the seedling shaft of the rootstock 23 and connected.

FIGS. 4A and 4B show the clamp portion 29.
As shown in FIG. 5, openable and closable gripping members 45, 45 for gripping the ear 21 a, and opening and closing, which are arranged below and close to the gripping members 45, and center the lower part of the seedling shaft of the ear 21 a. Flexible guide members 46 are provided. Then, the gripping members 45, 45
a, and then pivots about the Y axis to
During the transfer process until the paper is inserted into the hole of the clip 10 from above, the action of the guide members 46, 46 causes the
The centering is performed so that the lower part of the seedling shaft 1a faces the center of the hole of the clip 10.

The gripping members 45, 45 are provided with opening / closing chucks 47 at their rear portions, and have guide pins 50, 50 projecting downward at their front portions. The opening and closing of the opening / closing chuck 47 allows the opening / closing to be opened / closed right and left around the rear pivot points 48 and 48, respectively.

As shown in FIGS. 6 and 7, the guide members 46, 46 have a guide hole 52 which is the centering action portion along the center of the seedling axis in the opening and closing direction.
The whole guides the lower part of the seedling shaft 21b.

Further, the guide members 46, 46 are arranged as shown in FIG.
As shown in FIG. 8 and FIG. 8, the opening A and the back B other than the centering action portion (guide hole 52) have a plate thickness of ・ · L and can be opened and closed by vertically overlapping each other. It is formed in a step shape.

The seedling shaft 21b of the ear 21a
Is cut diagonally in order to increase the survival rate, but as shown in FIG. 9, the rear side of the cut surface of the seedling shaft 21b is positioned on the lower side of the guide members 46, 46 which are vertically overlapped. The lower part of the shaft 21b is guided.

As shown in FIG. 10, the inner portion B of the guide members 46 has guide surfaces 51a inclined at an angle α with respect to the center line C of the seedling shaft 21b in the opening and closing direction. The inclination forms a clearance amount λ between the seedling shaft 21b and the opening A, and the opening A has guide surfaces 51b, 51b inclined by an angle β. As shown in FIG. 11, the inclination angle α of the rear-side guide surfaces 51a, 51a is formed to be smaller than the inclination angle β of the opening-side guide surfaces 51b, 51b.

As shown in FIGS. 4A and 4B and FIG. 5, a spring 49 is stretched between the rear portions of the guide members 46 and 46, and a seedling shaft is guided at the front portion. Guide hole 52 is formed, and the guide pin 5
Slots 53, 53 through which 0, 50 are inserted are formed.
The guide members 46, 46 are constantly urged by the tension of a spring 49, and can be opened and closed right and left around the rear pivot points 48, 48 in conjunction with the opening and closing of the grip members 45, 45, respectively. ing.

The guide members 46 are provided with a guide shaft 48.
, And is connected to the gripping members 45, 45 via the below-described accommodating mechanisms 37, 55, 57. That is, a stepped connecting rod 55 is integrally attached to the guide members 46, 46 in the longitudinal direction via the mounting pins 54, and the upper portion of the connecting rod 55 penetrates the connecting plate 37. A nut 5 for preventing the stopper from coming off is provided at an end of the penetrating connecting rod 55.
7 is fixed. Further, the connecting rod 55 includes
A spring (compression) 56 is mounted between the connection plate 37 and a predetermined gap 1 (ell) is provided between the connection plate 37 and the nut 57. The members 46, 46 are constantly urged downward.

The structure of the spike carrier 26 is as follows.
As shown in FIG. 5, a rotation base 31 is attached so as to be rotatable about a vertical axis (Y axis), and a horizontal movement base 32 and a base block 33 are mounted on the rotation base 31. The base block 33 is provided with a slide base 30 which can be installed with a bolt and a nut so as to be inclined with respect to a vertical axis (Y axis) about a rotation fulcrum 34. One side of the slide base 30 is attached to the slide base 30. A slide rail 35 is fixed, and a lift cylinder 36 is fixed to the other side. This lift cylinder 36 has
A connecting plate 37 is attached to the other end of the operating rod 36a, and a base end supporting the connecting plate 37 is
A slide bar 38 is attached to the base block 33 so as to be able to be pulled out vertically.

Further, a slide bracket 39 is slidably mounted on the slide rail 35 via a linear guide 41 fitted on the slide surface thereof.
The clamp 29 is attached to the front end of the slide bracket 39. For this reason, when the lift cylinder 36 is operated, the clamp portion 29 moves in the vertical direction. An air cylinder 40 for increasing the pressure is attached to the upper rear part of the slide bracket 39. The operating rod 40a of the air cylinder 40
Is attached to the connection plate 37. For this reason, the clamp portion 29 can move up and down along the slide surface of the slide rail 35.

Next, the operation of the present embodiment will be described.

In FIG. 5, when cutting the scion seedlings 21,
The rod 36a of the lift cylinder 36 is in a contracted state, and the gripping members 45, 45 are at the lower limit position. For this reason,
The guide members 46 are also urged downward by the spring (compression) 56 to be at the lower limit position. In this state, a gap 1 is provided between the upper portion of the connecting rod 55 and the connecting plate 37.
(L) has occurred, and the gripping members 45, 45 and the guide members 46, 46 are in a close state. In this state, even if the gripping members 45, 45 grip the ear 21a of the scion seedling 21, the lower part of the seedling shaft of the ear 21a projects below the guide member 46, and the guide member 46 obstructs cutting. Since it does not occur, a predetermined position of the seedling shaft 21b can be cut by the cutter 16.

In order to clamp the ear 21a, the seedling shaft 21b is held with the gripping members 45, 45 open.
The guide members 46, 46 are closed and the seedling shaft 21b is guided in conjunction therewith, but the seedling shaft 21b does not enter the back side of the guide member 46. In order to do so, they are formed in a stepped shape so as to overlap with each other vertically.

FIG. 12 shows that after the seedling shaft is cut while the gripping members 45, 45 hold the ear 21a, the lateral movement base 32 moves laterally in the direction of the arrow, and the lift cylinder 36 operates in the vertical direction. Shows the state when performing.

That is, when the rod 36a of the lift cylinder 36 is extended, the slide bar 38 is extended upward from the base block 33, and the slide bracket 39 is moved upward along the slide rail 35, whereby the gripping member 45 is moved. Also rises. At this time, a predetermined gap l is provided between the connection plate 37 and the connection rod 55.
Therefore, the guide member 46 does not rise at the same time as the gripping member 45, and the connecting plate 37 is
After contacting the upper end nut 57, it rises along the guide member 48 with a predetermined timing delay.

For this reason, the gripping member 45 and the guide member 46
The gripping member 45 grips the ear 21a, and the guide member 46 guides and holds the lower end of the seedling shaft of the ear 21a.

FIG. 13 shows the rotation base 31 around the Y axis while the gripping members 45, 45 hold the spikes 21a.
Shows a state in which the guide member 46 is substantially inverted by 180 degrees and the guide member 46 is lowered to the lower limit position.

That is, at the time when the gripping members 45, 45 are stopped at the predetermined rotation end positions, the ear portions 21a gripped by the gripping members 45, 45 become the base portions 23b of the rootstock seedling 23.
And waits at a position above the clip 10 applied to the tip of the. Subsequently, the rod 36a of the lift cylinder 36 is contracted until the guide member 46 reaches the lower limit position. At this time, the lower end of the seedling shaft of the spike portion 21a is entirely thinned by the centering action portion (guide hole 52) of the guide member 46. , And the back side of the cut surface of the seedling shaft 21b is guided to the lower side of the guide member 46 which overlaps vertically, so that the bent seedling is corrected.

Thus, the seedling shaft 21b of the ear 21a is centered so as to face the center of the hole of the clip 10.
At this point, the grip member 45 and the guide member 46 are in a state of being separated.

FIG. 14 shows a state where the rod 36a of the lift cylinder 36 is further contracted to lower the gripping member 45, and the seedling shaft of the ear 21a is inserted into the hole of the clip 10 from the above state.

That is, when the rod 36a is contracted,
The slide bracket 39 moves downward along the slide rail 35, whereby the gripping member 45 descends, and the seedling shaft of the ear 21 a is inserted into the clip 10 while being guided by the guide member 46. For this reason, even if the tip of the seedling shaft is bent, the seedling shaft is surely inserted while being corrected by the guide member 46. After the clip 10 is closed, the additional pushing cylinder 40 is actuated to further push by a predetermined amount δ.

[0041]

As described above, according to the present invention, according to the present invention, the clamp portion has the gripping member and the guide member, and the guide member has the centering action portion along the center of the seedling axis in the opening and closing direction. The lower part of the seedling shaft can be guided, and the opening other than the centering action part and the inner part are formed in a stepped shape that can be opened and closed by overlapping each other, so that the seedling axis of the ear part does not enter the back. In addition, the bent seedling can be reliably corrected.

Also, the rear side of the cut surface of the seedling shaft cut obliquely is located at the lower side overlapping the guide member vertically, and the lower portion of the seedling shaft is guided, so that the top of the cut surface is cut. It is easy to bend long, but by arranging a continuous guide piece on the side of this part, it is possible to reliably guide in the front and back direction of the guide member, so that the seedling shaft is securely inserted into the clip Can be.

Further, the opening and the back of the guide member are
It has a guide surface inclined with respect to the seedling axis center in the opening and closing direction, and the inclination angle of the guide surface on the back side is formed to be gentler than the inclination angle of the guide surface on the opening side, so that when the guide member is opened, A slight clearance gap with respect to the seedling shaft is formed by the inclination angle on the rear side, and when the guide member is closed, the contact with the seedling shaft can be prevented by a gentle inclination angle to reduce damage. The inclination angle on the opening side makes it easier for the seedling axis to enter the center position. In addition, since the inclination angle on the opening side is steeper than the inclination angle on the back side, centering of the seedling axis can be performed reliably.

[Brief description of the drawings]

FIG. 1 is an overall plan view of a grafting device according to the present invention.

FIG. 2A is a diagram showing a scion seedling stored in a seedling raising pot. (B) is a figure which shows the rootstock seedling accommodated in the seedling raising pot. (C) is a figure which shows a grafted seedling.

FIG. 3 is a plan view of an operating state of the spike carrier.

FIG. 4A is a plan view of a clamp unit. (B) is a rear view of the clamp portion.

FIG. 5 is a side view of the ear part transporting apparatus in a state where the ear part is cut from the scion seedling and the ear part is gripped by a gripping member.

FIG. 6 is a plan view of a guide member.

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6;

FIG. 8 is a sectional view taken along the line VIII-VIII in FIG.

FIG. 9 is a diagram showing a positional relationship between a guide member and a cut surface of a seedling shaft.

FIG. 10 is a plan view when a guide member is opened.

FIG. 11 is a plan view when the guide member is closed.

FIG. 12 is a side view of the spike carrier apparatus in a state where the lower end of the seedling shaft of the spike is guided by a guide member while the spike is held by the holding member.

FIG. 13 rotates the spike carrier around the vertical axis,
It is a side view in the state where the seedling axis of the ear part was centered on the clip.

FIG. 14 is a side view of the spike carrier when the spike is inserted into a clip.

FIG. 15 is a fragmentary front view of a main part when a seedling shaft is guided by a guide member composed of two plate-like bodies arranged vertically.

FIG. 16 is a fragmentary front view of a main part when a seedling shaft is guided by a guide member composed of three plate-like bodies.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Grafting clip 21 Scion seedling 21a Spike part 22 Scion conveyance conveyor 23 Rootstock seedling 23b Sponge 24 Rootstock transfer conveyor 26 Spike conveying device 29 Clamp part 30 Slide base 31 Rotation base 32 Lateral movement base 33 Base block 34 Rotating fulcrum 35 Slide rail 36 Lift cylinder 37 Connecting plate 38 Slide bar 39 Slide bracket 40 Air cylinder (for additional pushing) 45 Gripping member 46 Guide member 47 Opening / closing chuck 48 Rotating fulcrum (guide shaft) 50 Guide pins 51a, 51b Guide surface 52 Guide hole 55 Connecting rod 56 Spring

Claims (3)

[Claims] 1. An openable / closable clamp for gripping a spike cut from a scion seedling, wherein the spike grasped by the clamp is cut and removed from the stock of the stock. After transferring to the position, in a grafting device that is inserted from above into the hole of the clip joined to the upper part of the seedling shaft of the rootstock seedling to graft, the clamp portion includes a gripping member that grips the spike portion, A guide member that is disposed below the gripping member and that is openable and closable to guide and center the seedling axis of the ear part, wherein the guide member has a centering action portion along the center of the seedling axis in the opening and closing direction. A grafting device characterized in that the lower part of the seedling shaft can be guided by the entire thickness, and the opening and the back other than the centering action portion are vertically overlapped with each other to form a stepped shape that can be opened and closed. 2. The opening and the back of the guide member have a guide surface inclined with respect to the center of the seedling axis in the opening / closing direction, and the inclination angle of the guide surface on the back side is the inclination angle of the guide surface on the opening side. The grafting device according to claim 1, wherein the grafting device is formed more loosely. 3. The seedling shaft of the ear portion is cut obliquely, and the rear side of the cut surface of the seedling shaft is positioned at the lower side vertically overlapping the guide member to guide the lower part of the seedling shaft. The grafting device according to claim 1, wherein: