JPH1033059A - Apparatus for grafting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely insert an ear part of a grafting nursery plant inserted into a grip. SOLUTION: This apparatus for grafting is obtained by holding an ear part 21a cut from a scion nursery plant with a clamp part 29, transferring the ear part 21a to a stock part 23b in which the ear part is cut and removed from a stock nursery plant, inserting the ear part 21a from the upper part into a hole of a clip 10 applied to the tip of the stock part 23b and carrying out the grafting. The clamp part 29b is further equipped with holding members 45 for holding the ear part 21a and guide members 46, arranged adjacently to the lower part of the holding members 45 and capable of guiding and centering the nursery plant axis of the ear part 21b. The guide members 46 are capable of centering the lower part of the nursery plant axis of the ear part 21a so as to face to the center of the hole of the clip 10 during a transfer process from holding the ear part 21a with the holding members 45 and then inserting the ear part 21a from the upper part into the hole of the clip 10.

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]

Thus, the cutting blade for cutting the ear portion moves forward from the side of the predetermined grafting position toward the seedling shaft to cut the seedling shaft, and after cutting, the cutting blade returns to its original position. In order to avoid the interference with the cutting blade, the clamp portion can be arranged only above the position where the cutting blade passes, in order to perform the retreat movement to return to the position, and the clamp portion attaches to the clip by the clamp portion. Since it is not possible to grip even the length of the seedling shaft of the ear part to be inserted, the problem that the insertion into the clip becomes uncertain due to bending of the lower end of the seedling axis of the ear part protruding downward from the clamp part. there were.

[0005] For this reason, the joining rate of the grafted seedlings is reduced, and in order to prevent this, care has to be taken in raising seedlings, especially in the method of drainage, for preventing bent seedlings near the cut surface of the seedling shaft.

The present invention has been made in order to solve such a problem, and an object of the present invention is to ensure that even if a seedling shaft of a spike portion to be inserted into a clip is slightly bent, it can be inserted. An object of the present invention is to provide a grafting device.

[0007]

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 pedestal (23b) from which the ears (23a) of the rootstock seedling (23) have been cut and removed, and then the pedestal (2) is transferred.
3b) A grafting device (1) that is inserted from above into a hole of a clip (10) applied to the tip and grafted.
In the above, the clamp part (29) is provided with the ear part (21).
a) a gripping member (45) for gripping the gripping member (4);
5) a guide member (46) disposed close to and below the 5) and openable and closable to guide and center the seedling axis of the ear part (21a), and the guide member (46) is provided with the grip member (46). 45) After gripping the ear part (21a), during the transfer process until the ear part (21a) is inserted into the hole of the clip (10) from above, the lower part of the seedling shaft of the ear part (21a) is moved. Centering so as to face the center of the hole of the clip (10).

[0008] The guide member (46) is vertically movably guided and connected to the holding member (45) via a flexible mechanism (37, 55, 57). 45), a resilient member (56) for urging the guide member (46) downward is attached, and when the gripping member (45) and the guide member (46) are lowered to a specified position, The gripping member (45) and the guide member (46) approach each other, and the gripping member (45) is moved to the spike portion (21a).
And the guide member (46) is attached to the ear part (21a).
When the gripping member (45) is raised beyond a predetermined position, the gripping member (45) and the guide member (46) are separated from each other, and the gripping member (45) is moved to the spike portion ( 21a) and the guide member (45) guides and holds the lower end of the seedling shaft of the spike portion (21a).

The accommodating mechanism (37, 55, 57) starts the upward movement in conjunction with the gripping member (45) from the predetermined position by the upward movement of the gripping member (45) beyond the predetermined position. When the gripping member (45) moves downward, the gripping member (45) is lowered to a prescribed position by the urging force of the resilient member (56).

An opening / closing actuator (47) is provided on at least one of the gripping member (45) and the guide member (46).
5) and a guide member (46) are connected by an interlocking member (50), and the opening / closing actuator (47) operates to open / close the other in conjunction with one opening / closing operation.

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. Then, the guide member (4
6) The ear part (21a) is gripped by the gripping member (45), and the ear part (21a) is inserted into the hole of the clip (10) from above. 2
Center the lower part of the seedling shaft of 1a) so as to face the center of the hole of the clip (10).

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.

[0013]

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

FIG. 1 shows an overall plan view of a grafting device according to the present invention. The grafting device 1 is used to cut a seedling 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 26 has a clamp 29 which can be opened and closed so as to hold the spikes cut from the spikelet 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 tilted at a predetermined position from its cotyledon position by the cutter 15 at an angle of approximately 30 degrees with respect to the seedling axis. 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. 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 joint 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. The clamp 29 includes a gripping member 45 and a guide member 46, which will be described later.

Regarding the configuration of the ear part transport device 26,
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.

At the rear upper portion of the slide bracket 39, an air cylinder 40 for increasing the pressure is mounted. The operating rod 40 of the air cylinder 40
a 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.

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 an opening / closing chuck 47 at a rear portion thereof, and have guide pins 50, 50 projecting downward at a front portion thereof. 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.

The guide members 46 have a spring 49 stretched between their rear portions, and a guide hole 52 for guiding a seedling shaft is formed at a front portion thereof. Are formed therein. The guide members 46, 46 are constantly urged by the tension of a spring 49, and the grip members 4
5, 45, the opening and closing of the rear pivot fulcrum 48, 48
Can be opened and closed left and right, respectively.

In the above-described embodiment, the case where the opening / closing chuck 47 is attached to the gripping members 45, 45 is described.
Opening / closing chucks 47 are attached to the holding members 45, 45 and guide members 46, 4 via guide pins 50.
6 may be linked.

Further, the guide members 46, 46 are guided so as to be able to move up and down along a guide shaft 48, and the gripping members 45, 4 are provided via accommodating mechanisms 37, 55, 57 described later.
5. That is, the guide members 46,
46, a stepped connecting rod 55 is integrally attached in the longitudinal direction via a mounting pin 54, and an upper portion of the connecting rod 55 penetrates the connecting plate 37, and the penetrated connecting rod 55 A nut 57 for preventing the stopper from coming off is fixed to the end of the nut. Further, the connecting rod 55
The spring (compression) 5 between the connection plate 37 and
6, a predetermined gap l is provided between the connection plate 37 and the nut 57, and the springs (compression) 56 constantly urge the guide members 46, 46 downward. ing.

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

In FIG. 5, when cutting the scion seedling 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 can be cut by the cutter 16.

FIG. 6 shows that the gripping members 45, 45
This shows a state in which the lateral movement base 32 moves laterally in the direction of the arrow after the seedling shaft is cut while gripping 1a, and the lift cylinder 36 operates in the vertical direction.

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. 7 shows that the gripping members 45, 45
This shows a state in which the rotation base 31 is substantially inverted by 180 degrees about the Y axis while holding the first member 1a, 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 spikes 21a gripped by the gripping members 45, 45 are removed from the base 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 guided by the guide member 46 faces the center of the hole of the clip 10. Centered. At this point, the grip member 45 and the guide member 46 are in a state of being separated.

FIG. 8 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.

[0036]

As described above, according to the present invention, according to the present invention, the clamp portion includes the gripping member and the guide member, and the guide member holds the spike portion of the clip after the gripping member grips the spike portion. During the transfer process until inserting into the hole from above, by centering the lower part of the seedling shaft of the ear part so as to face the center of the hole of the clip, after cutting the ear part from the seedling,
Since the guide member moves to guide the cutting position of the spike portion below the seedling axis, the bent seedling can be reliably inserted into the clip, and the joining rate can be improved.

That is, according to the present invention, grafting treatment is possible even with a slightly bent seedling, so that care for raising seedlings can be reduced, and labor saving can be achieved in this regard. In particular, in the grafted eggplant, the seedling axis of the eggplant is firmly bent and tends to become a seedling, but the joining rate can be reliably improved by the present invention.

When the gripping member and the guide member are lowered to the predetermined position, the gripping member and the guide member approach each other, the guide member guides and holds the upper part of the seedling shaft of the spike, and the gripping member moves to the predetermined position. In the state of being lifted over, the gripping member and the guide member are separated from each other, and the guide member guides and holds the lower end of the seedling shaft of the spike portion, so that the guide member does not hinder the cutting operation at the time of cutting the spike. Since it moves to the upper part of the seedling shaft and moves to the lower part of the seedling shaft after cutting to guide the lower end of the seedling shaft, the spike can be reliably inserted into the clip even for a bent seedling.

Further, the accommodating mechanism starts the ascending movement in conjunction with the gripping member from the predetermined position when the gripping member moves upward beyond the predetermined position, and when the gripping member moves downward, the resilient mechanism is activated. By lowering to the specified position by the urging force of the member, the grip member and the guide member can be interlocked and raised with a shift in timing with a simple structure. In addition, since the guide member moves up and down at a fixed timing mechanically irrespective of electrical control, it is possible to increase the speed and perform a reliable operation.

Further, an opening / closing actuator is provided on one of the gripping member and the guide member, and the gripping member and the guide member are connected by an interlocking member. Are opened and closed, the opening and closing of the gripping member and the guide member arranged vertically can be covered by one actuator, so that a compact design and weight reduction can be achieved. In this case, a pneumatic device is mainly used for the opening / closing drive. However, if one actuator is used, the number of pipes and lead wires can be reduced, and the transport resistance can be reduced.

[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 side view of the spike transporting device in a state in which 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. 7 is a side view showing a state in which the spike carrier is rotated about a vertical axis, and the seedling shaft of the spike is centered on the clip.

FIG. 8 is a side view of the spike carrier when the spike is inserted into the clip.

[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 pin 55 Connecting rod 56 Spring

Claims (4)

[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 being transported to the position, the grafting device is configured to be inserted into the hole of the clip applied to the tip of the pedestal from above and grafted thereto, wherein the clamp portion includes a gripping member that grips the spike portion, and the gripping member. And a guide member that is disposed close to and that is openable and closable to guide and center the seedling axis of the spike portion, the guide member comprising: the spike portion after the gripping member grips the spike portion. A grafting device, wherein the lower part of the seedling shaft of the ear part is centered so as to face the center of the hole of the clip during a transfer process until the clip is inserted into the hole of the clip from above. 2. The guide member is vertically guided in a vertically movable manner, is connected to the holding member via a flexible mechanism, and urges the guide member downward between the holding member and the holding member. In a state where the gripping member and the guide member are lowered to a predetermined position, the gripping member and the guide member approach each other, the gripping member grips the spike, and the guide member is located above the seedling shaft of the spike. When the gripping member rises beyond a predetermined position, the gripping member and the guide member are separated from each other, the gripping member grips the spike, and the guide member guides and holds the lower end of the seedling shaft of the spike. The grafting device according to claim 1, wherein: 3. The accommodating mechanism starts ascending movement in conjunction with the gripping member from the predetermined position when the gripping member moves upward beyond a predetermined position, and when the gripping member moves down, the elasticity is increased. 2. The grafting device according to claim 1, wherein the device is lowered to a specified position by a biasing force of a member. 4. An opening / closing actuator is provided on at least one of the gripping member and the guide member, and the gripping member and the guide member are connected to each other by an interlocking member. The grafting device according to claim 1, wherein the other is opened and closed.