JPH079B2 - Grafting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention supplies seedlings and rootstock seedlings, cuts these at predetermined positions, and makes the cut surfaces contact each other to produce seedlings such as clips. The present invention relates to a grafting device that performs grafting work by fixing with a gripping body to obtain grafted seedlings.

[Conventional technology]

In recent years, most of the seedlings of fruit and vegetables cultivated in facilities such as a glass room and a greenhouse are grafted seedlings. The grafting work for making the grafted seedlings is performed manually by using a part of auxiliary equipment. In view of such a current situation, the applicant of the present application, in Japanese Patent Application No. 63-260186, cuts the scion seedlings and rootstock seedlings at predetermined positions in the process of sandwiching and feeding the supplied scion seedlings and rootstock seedlings. Then, an apparatus has been proposed in which grafted seedlings are automatically produced by joining the cut surfaces and fixing the joining position.

[Problems to be Solved by the Invention]

By the way, as a result of a test using a prototype of the grafted seedling production apparatus, the following problems were detected.

． Special techniques are required for seedling supply in order to adjust the seedling supply attitude.

． A guide that regulates the movement of the seedling hypocotyl during cutting is required in the seedling transfer path, so the leaves may hit the guide and disturb the transfer posture, and the cutting surface of the scion and rootstock may not match, resulting in a bonding error. It may happen.

． If a series of operations of gripping, cutting and adhering seedlings are not completed, the next operation cannot proceed.

． There is no feeding mechanism for the seedling gripper that bonds the scion and the rootstock.

． There is no supply system for scion and rootstock.

． The seedling transport distance is long and large.

The present invention has been made for the purpose of solving the above problems.

[Means for Solving the Problems]

In order to achieve the above object, the present invention is (1) capable of opening and closing by rotating the seedling A of seedlings supplied from the seedling supply unit 6 for intermittent rotation or rotating in synchronization with the holding member 27 of the seedling B of seedlings. The gripping member 18 and the scion seedling A gripped by the gripping member 18 are fixed to the device underframe at the rotation movement path of the gripping member 18, and the scion seedling A is rotated at a predetermined position. The cutting processing body 2 composed of a cutting section 47 for cutting with the cutting section 47, and the rootstock seedling B supplied from the rootstock seedling supply section 7 are gripped and rotated intermittently or synchronized with the gripping member 18 of the rootstock seedling A. The gripping member 27 that can be opened and closed, and the rootstock seedling B gripped by the gripping member 27 are positioned on the rotation movement path of the gripping member 27 and fixed to the device underframe, and the rootstock seedling B is rotated while rotating. Rootstock processing body 3 consisting of a cutting section 48 for cutting at a predetermined position, and both gripping sections of the above-mentioned scion processing body 2 and rootstock processing body 3 With 18,27 rotating relative to each other, with both cutting surfaces of the scion A and the rootstock B cut at predetermined positions by the cutting parts 47,48 joined or approached, The adhering mechanism 4 that is joined and fixed by the fixing member 60 supplied from the fixing member supply unit 59, and the grafted seedling whose contact surface is fixed by the fixing member 60 of the above-mentioned adhering mechanism 4 is used for the scion treatment body 2 and the rootstock treatment. Both gripping members 1 of body 3
After being released from the grasped state of 8, 27, the grafted seedling discharging mechanism 68 that reciprocates and discharges the grafted seedling, and (2) is cut by the cutting portion cutting part 47 of the above-mentioned scion processing body 2. The rootstock seedling A and the rootstock seedling B to be cut by the cutting portion 48 of the rootstock processing body 3 are obtained by cutting the respective stems obliquely and so that both cut surfaces face and face each other. Each is a feature.

[Work]

With the above configuration, the grafting device of the present invention comprises: It is easy to supply scion seedlings and rootstock seedlings, and no special skill is required.

． Since the scion seedlings and rootstock seedlings rotate and do not require a guide along the path, there is no contact between seedlings, and the cut surfaces of both seedlings match and there is no adhesion error.

． Since the scion seedlings and the rootstock seedlings rotate and a series of operations are continuously performed, the work efficiency is improved.

． The seedling grasping body is automatically supplied.

． The seedling supply is automated.

． The seedlings are transported by rotation, and the transport distance is short,
The size of the aircraft is reduced.

． The cutting surface of the scion and rootstock is slanted, so the joint area is wide and the jointability is good.

It works.

〔Example〕

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

FIG. 1 is a schematic plan view of the entire grafting apparatus, where reference numeral 1 is a seedling supply section, 2 is a scion processing section, 3 is a rootstock processing section, 4 is an adhesive section, 5 is a seedling grasping body supply section and seedling discharge. Indicates a part.

The seedling supply unit 1 supports the scion seedling supply unit 6 and the rootstock seedling supply unit 7 so as to rotate at predetermined intervals (in the embodiment, description will be made by rotating in the arrow direction). Supply unit 6
7 and 7 are substantially the same in configuration, and one (sprout seedling supply unit 6) will be described and the other (rootstock seedling supply unit 7) will be described.
Are denoted by the same reference numerals, and description thereof will be omitted. There are many scion seedling supply units 6 (24 in the drawing) on the outer periphery of the disc unit 8.
The seedling support arms 9, 9 ... Are arranged at a predetermined interval, and seedling support openings 10 are provided at the tip of each seedling support arm 9. Then, the scion seedling A and the rootstock seedling B are respectively supported by the seedling support openings 10, 10. Further, the scion seedling supply section 6 is a fitting section with respect to the rotary shaft 11.
It is inserted through 12.

Plural sets of scion seedling supply units 6 (stock seedling supply units 7) are prepared, and each seedling support opening 10 is input in advance.
The scion seedling A or the rootstock seedling B is hung and supported with the vicinity of the petiole base of the cotyledon as a support, and the supply section can be replaced, but it may be fixed. . Further, as shown in FIG. 1, the support direction of the seedlings with respect to the seedling support opening 10 is such that the cotyledon expansion direction is the rotation tangential direction in the scion seedling A and the cotyledon expansion direction is the rotation center direction in the rootstock seedling B. When the seedlings are attached so that the cut faces of the scion and the rootstock face each other, the grafted seedlings will be in a state in which the cotyledon expansion direction of the scion and the cotyledon expansion direction of the rootstock intersect. It was predicted that it would have a favorable effect on the growth of seedlings, but grafted seedlings could be made by changing the direction of the cotyledons, and it is not necessary to be particular about the direction of cotyledon development.

The rotating shaft 11 is adapted to be intermittently rotated (or rotated in synchronization) by a motor (not shown), and the interval of the intermittent rotation is synchronized so as to be the mutual interval of the seedling support arms 9, 9.

The following description is for the case of intermittent rotation. As shown in FIGS. 1 to 3 and FIGS. 8 to 17, the scion processing unit 2 and the root processing unit 3 are supported by the seedling support opening 10 of the seedling supply unit 1 described above. The tree seedling A and the rootstock seedling B are taken over one by one, gripped and rotated, and the seedlings are cut at predetermined positions, and the cut surfaces of the seedlings are opposed to each other so as to approach or join each other. Therefore, the scion processing unit 2 and the stock processing unit 3 rotate so that the cut surfaces face each other and approach or join (in the embodiment, the directions of rotation of the scion processing unit 2 and the stock processing unit 3 are reversed. However, it is not necessary to stick to this rotation direction), the gripping positions (height) of the scion seedling A and the rootstock seedling B are made different, and the cutting surfaces of the seedlings are different between the scion A and the rootstock B, respectively. Since the same configuration is used except that the cutting direction is changed so as to face different directions so as to face each other and approach or join each other, similar components are denoted by the same names, and detailed description thereof will be omitted.

The scion processing unit 2 supports a rotating shaft 15 on a cylindrical portion 13a of a circular guide fixing plate 13 via a bearing 14, and fixes a scion conveying plate 16 on the upper end of the rotating shaft 15 while rotating it. A motor 17 is connected to the lower end of the shaft 15. The hogi carrier plate 16 has a rotating shaft 15
Centered around the center of the center, and at each of the equally divided positions (three equally divided positions in the embodiment) of the outer circumference thereof, the spike gripper mounting protrusions 16a are provided,
Each of the spike gripper attachment projections 16a is opened and closed in a direction intersecting with the hypocotyl of the seedling to open and grasp the spikes.
Is attached. At the opening / closing operation portion of the scion gripper 18, there is provided a gripper opening / closing roll 20 that is in rolling contact with an arcuate guide rail 19 attached to the guide fixing plate 13.

In the rootstock processing unit 3, a guide fixing plate 23 is fixed to the upper end of a fixed shaft 22 fixed to the base 21, and a guide rail 24 is attached to the guide fixing plate 23.
A root carrier plate 26 is rotatably supported on the lower fixed shaft 22 via a bearing 25, and the root carrier plate 26 is rotatably supported at equal positions (three positions in the embodiment) on the outer periphery of the root carrier plate 26. Each of the root gripper mounting protrusions 26a is provided with a root gripper 27 attached to each root gripper mounting protrusion 26a. A gear 28 is provided on the outer periphery of the shaft support portion of the fixed shaft 22 of the stock transport plate 26, and a gear 30 attached to the output shaft of the motor 29 meshes with the gear 28. The root gripper 27 is provided with a gripper opening / closing roll 31. On the guide rail 24 with which the gripper opening / closing roll 31 rolls (the same applies to the guide rail 19 of the spike processing unit 2), an opening / closing guide 32 is provided on the circumference of the seedling supply unit 1 and the bonding unit 4 with a pin 33. It is rotatably provided by. The opening / closing guide 32 is formed by connecting the tip end of a push rod 34a of a cylinder (or solenoid) 34 such as an air cylinder whose base end is pivotally attached to a guide fixing plate 23, and by expanding and contracting the push rod 34a, a gripper opening / closing roll. The root gripper 27 is opened and closed via 31 and the opening / closing guide 32 is provided with a stopper 35 and a return spring 36, so that when the push rod 34a is contracted, the opening / closing guide 32 is a guide rail. It is located on the same circumference as 24.

The above rootstock gripper 27 (same for Houki gripper 18) is the 12th
As shown in FIG. 13 and FIG. 13, the lower gripper 37 and the upper gripper 38 are pivotally attached to a pivot pin 39 having one end fixed to the root gripper attaching protrusion 26a via a spring, and the rear gripper 37 has a rear portion. Open / close cam 40 between the extension and the rear end of the upper gripper 38
The pivot pin 4 has both ends pivotally attached, and one end of the opening / closing cam 40 is fixed to the root gripper attaching protrusion 26a.
The rod tip of the opening / closing roll 31 is connected to the pivot portion by means of 1. Then, the distance between the pivot pin 39 and the pivotal connection portion of the upper gripper 38 and the opening / closing cam 40 is L1, the distance from the pivot support pin 41 of the opening / closing cam 40 to both end pivot portions is a, b, and The distance from the support pin 39 to the pivotal support between the opening / closing cam 40 and the lower gripper 37 is L2, and the relationship is L2 = L1 + a + b L1 <L2. The opening / closing roll 31 is provided with a return spring 42 and a stopper 43.

Therefore, when the opening / closing roll 32 is pushed up by the opening / closing guide 32 to open the stock gripper 27, the opening angle θ1 of the upper gripper 38 is larger than the opening angle θ0 of the lower gripper 37 (θ1> θ0). Has become. That is, when the root carrier gripper 27 is opened to grip the rootstock B while the rootstock transport plate 26 is rotating, the gripper opens slightly outward toward the outside to facilitate gripping the rootstock B.

The root gripper 27 of the second embodiment shown in FIGS. 14 and 15 is a link instead of the opening / closing cam 40 of the first embodiment.
A push rod 45a of a cylinder 45, in which a rear end of a rear extension of the lower gripper 37 is pivotally attached to a base transport plate 26 at its base end.
So that it is pushed by the pivot pin 39 and the upper gripper.
When the distance between 38 and the pivotal portion of the link 44 is 11, and the distance between the pivot pin 39 and the lower gripper 37 and the pivotal portion of the link 44 is 10, there is a relationship of 11 <10. Therefore, the push rod 45a
When the root gripper 27 is opened by pushing up the rear end of the rear extension part of the lower gripper 37 by the
The opening angle θ1 of the gripper 38 above 0 is larger (θ1
> Θ0).

In the third embodiment of the root gripper 27 shown in FIGS. 16 and 17, the upper gripper 38 and the lower gripper 37 in the second embodiment have the same length, and the upper gripper 38 and the lower gripper 38 are the same.
The rear end of 37 is connected by a link 46. Therefore, when the rear end of the lower gripper 37 is pushed up by the push rod 45a to open the root gripper 27, the lower gripper 37
And the opening angle of the upper gripper 38 are equal,
Open the root gripper 27 while the root carrier plate 26 is rotating to open the root B
When gripping, the gripping performance is slightly inferior to the cases of the first and second embodiments, but there is no practical problem.

Such a scion processing unit 2 and a rootstock processing unit 3 include the first
As shown in FIGS. 2 and 8 to 11, a scion seedling cutting device 47 and a rootstock seedling cutting device 48 are provided. The scion cutting device 47 has a cutting arm 51 attached to the rotary shaft of a motor 49 and a cutting blade 51 such as a razor blade detachably provided at the tip of the cutting arm 50. The seedling A is rotated in the direction of the arrow in FIG. 8 to cut the stem portion of the scion seedling A at a predetermined position so that the cutting surface becomes oblique. A rear stay 52 that supports the stem portion of the scion seedling A from the back when the scion seedling A is cut is provided.

In addition, the rootstock seedling cutting device 48 has a cutting blade 55 such as a razor blade at the tip of a cutting arm 54 attached to the rotating shaft of a motor 53.
The removable seedling B is rotated in the direction of the arrow in FIG. 10 with respect to the rootstock seedling B gripped by the rootstock gripper 27, and the rootstock seedling B is rotated.
One of the cotyledon unfolding parts is cut at a predetermined position so that the cutting surface is inclined. In the case of a crop that is rooted without leaving any leaves on the rootstock, the stem of the rootstock B may be cut at a predetermined position so that the cutting surface becomes oblique. This rootstock B
Is cut, a rear stay 56 for supporting the stem of the rootstock seedling B from the back is provided, and the cutting arm 54 is
A roller 57 that holds down the petiole is supported.

Then, the scion processing unit 2 and the rootstock processing unit 3 rotate in opposite directions, and first, the respective scion grippers 18 and rootstock grippers 27 are respectively the scion seedling supply unit 6 and the rootstock seedling supply unit. 7. At the position opposite to the scion seedling A and the rootstock seedling B, the scion gripper 18 and the rootstock gripper 27 are opened and closed to sandwich the scion seedling A and the rootstock seedling B, and then the scion Gripper 18 and root gripper
When the scion seedling A and the rootstock seedling B sandwiched by 27 reach the scion seedling cutting device 47 and the rootstock seedling cutting device 48, the scion seedling A and the rootstock seedling B
Are cut at each height position, and the cut stalk A and rootstock B are stopped with the cut surfaces facing each other and approaching or joining. 4 and a seedling gripper supply unit and a seedling discharge unit 5 are provided.

As shown in FIGS. 4 and 5, the seedling gripping body supply section and the seedling discharge section 5 are provided with a disk-shaped clip supply section 59 detachably attached to the output shaft of the motor 58. Has a large number of clip accommodating holes 61, 61 ... For accommodating the clips 60 in the circumferential direction at regular intervals, and the clip 60 has its opening / closing knob 60a in each of the clip accommodating holes 61, 61. It is designed to be plugged in and housed. A plurality of sets of this clip supply unit 59 are prepared in the same manner as the above-mentioned scion supply unit 6 and rootstock supply unit 7, and the clip 60 can be efficiently set by exchanging it with the clip 60 set in advance.

At a position corresponding to the joining position of the seedlings A and B, the clip 60 set in the clip supplying section 59 is pushed to the joining position of the seedlings A and B, grasped and bonded (bonding portion 4) to form a grafted seedling. Cylinder 62 is installed on the main body side and its push rod 62a
Is designed to expand and contract. This push rod 62a
Is provided with a clip guide 63 on the tip end side that expands and contracts, and the clip guide 63 is in a state in which the clip 60 pushed by the push rod 62a and pulled out from the clip accommodating hole 61 is opened from the closed state by pressing the push rod 62a. And has a guide portion 64 for sandwiching the joint positions of the seedlings A and B (adhesive portion 4) to form grafted seedlings when pushed and closed, and this clip guide 63 is provided on the main body side. The guide 65 is supported so as to be slidable in the front-rear direction within a predetermined range with respect to the fixed guide 65, and is elastically held by a return spring 66 so that it is always positioned on the push rod 62a side. A seedling guide groove 67 is formed at the tip of the bottom plate of the gripper guide 63, and the clip guide 6 is formed by the extension of the push rod 62a.
When 3 moves, the seedlings A and B in the joined state are guided into the seedling guide groove 67, and the joint portion of the seedlings A and B is sandwiched by the clip 60 as described above to form a grafted seedling. . The grafted seedling thus formed is the grafted seedling discharge rod shown in FIG.
It is designed to be discharged by 68.

Another embodiment of the clip supplying section and the seedling discharging section shown in FIG. 6 and FIG.
A clip accommodation hole 70 for accommodating both the opening and closing knobs 60a of the 60 in a state where the clip 60 is opened is provided so that the clip guide in the embodiment of FIGS. 4 and 5 is omitted, and the clip supply is performed. The clip 60 accommodated in the clip accommodating hole 70 of the portion 69 is attached to the push rod 62 of the cylinder 62.
Clip the joints of seedlings A and B by extruding with a
It is sandwiched between to form grafted seedlings.

Although not shown, the above stepping motors, cylinders (push rods), etc. are electrically connected and controlled so as to operate in synchronization with each other. It is equipped with a control device that can be adjusted so that Further, this control device is equipped with various sensors so that automatic management can be performed.

In the grafting device having such a configuration, the scion feeding section 6 of the seedling feeding section 1 is loaded with the scion seedling A, the root feeding section 7 is loaded with the root seedling B, and the clip feeding section 59 or 69 is loaded. The device is operated with the clip 60 loaded. Hogi supply unit 6
And in the rootstock supply section 7, the disk section 8 click-rotates in the arrow direction at the loading intervals of the seedlings A and B, and click-rotates in 1/3 rotations.
When 18 and rootstock gripper 27 face each other, the seedling is sandwiched and taken over.

In the scion processing unit 2 and the stock processing unit 3, the scion transport plate 16 and the stock transport plate 26 are click-rotated by 1/3 rotation in the arrow direction, and are sandwiched between the scion gripper 18 and the stock gripper 27. Seedlings are cut by the cutting blades 51 and 55 at positions corresponding to the scion cutting device 47 and the rootstock cutting device 48, and the seedlings A and B are cut at the positions of the adhesive section 4, the clip supply section and the seedling discharge section 5.
The cutting parts of the
The sandwiched surfaces are sandwiched by and adhered to each other to form grafted seedlings, which are then released. Although not shown, a seedling storage box (pot) is provided at the position where the grafted seedlings are released to store the grafted seedlings.

The operation of the main part in the grafted seedling production process will be described in more detail.

In the scion processing unit 2 and the stock processing unit 3, the scion gripper 18 and the stock gripper 27 correspond to the scion seedling A and the stock seedling B supported by the scion supply unit 6 and the stock supply unit 7, respectively. Immediately before facing each other, the seedlings are clamped while being opened by the push rod of the cylinder. At this time, Figs. 12 and 13 and
In the embodiment shown in FIGS. 14 and 15, the outer side (upper gripper) of the gripper opens slightly larger than the inner side (lower gripper), so that, for example, even if the hypocotyl of the seedling has a bend, “gripping position shift” occurs. Can be prevented. Further, in the scion gripper 18 and the rootstock gripper 27, at the position of the bonding portion 4, the cutting facing positions of the seedlings A and B are sandwiched by the clip 60, the cut surfaces are bonded and opened later, and the grafted seedling is discharged. .

In the scion cutting device 47 and the rootstock cutting device 48, since the scion A and the rootstock B are cut at one time, and further, the rear stays and the rollers are provided, the cutting height is constant,
The cut surface of the rootstock is arcuate so that one of the cotyledons and the growing point can be reliably cut off at one time, and the adaptability to the bending of the seedlings is improved.

In the clip supply unit and the seedling discharge unit 5, the positions of the seedlings facing the cutting surface can be sandwiched and adhered only by pushing the clip accommodated in the clip supply unit by the push rod of the cylinder.

〔The invention's effect〕

As described above, according to the grafting device of the present invention, the scion processing body, the root stock processing body, the bonding mechanism, and the grafted seedling discharging mechanism, of the scion processing body and the root stock processing body. Take over and hold the scion seedlings and rootstock seedlings supplied to the seedling supply section, cut both seedlings at predetermined positions in the process of rotating and moving, and fix each cut part facing each other and discharge it. As a result, the scion seedlings and rootstock seedlings were supplied, both seedlings were cut at a prescribed site, both cut surfaces were adhered and fixed, and the entire grafting process from release to production of grafted seedlings was carried out. It can be mechanized and automated, is labor-saving, and can perform highly accurate and highly efficient grafted seedling production work.

Further, in the production process of grafted seedlings by the grafting device of the present invention,
Since all rotary motions are used, the device can be downsized, which facilitates mechanization and automation.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing an embodiment of the present invention, FIG. 2 is a schematic plan view of a spike processing unit and a root processing unit, and FIG. 3 is a partial side view of the spike processing unit and a root processing unit. Fig. 4, Fig. 4 is a partial side view of the clip supplying section and seedling discharging section, Fig. 5 is a plan view thereof, and Fig. 6 is a partial side view showing another embodiment of the clip supplying section and seedling discharging section. Figure is its plan view, Figure 8 is a partial side view of the scion cutting device, and Figure 9 is its plan view.
FIG. 10 is a partial side view of the rootstock cutting device, FIG. 11 is its plan view, FIG. 12 is a partial plan view of the rootstock gripper, FIG. 13 is its operation explanatory view, and FIG. 14 is the rootstock gripper's 2 is a partial plan view showing the second embodiment, FIG. 15 is an explanatory view of its operation, FIG. 16 is a partial plan view showing a third embodiment of the root gripper, and FIG. 17 is an explanatory view of its operation. 1 ... Seedling supply section, 2 ... Scion processing section, 3 ... Rootstock processing section, 4 ... Adhesive section, 5 ... Seedling gripper supply section and seedling discharge section, 6 ... Supply for scion seedlings Department, 7 ... Rootstock seedling supply department, 8
…… Disc part, 9 …… Seedling support arm, 10 …… Seedling support opening, 11 …… Rotation axis, 12 …… Fitting part, 13 …… Fixing plate, 14…
… Bearing, 15 …… Rotary shaft, 16 …… Hoki carrier plate, 17 …… Motor, 18 …… Hoki gripper, 19 …… Guide rail, 20 ……
Gripper open / close roll, 21 …… base, 22 …… fixed shaft,
23 …… Guide fixing plate, 24 …… Guide rail, 25 …… Bearing, 26 …… Rootstock transport plate, 27 …… Rootstock gripper, 28 …… Gear, 29 …… Motor, 30 …… Gear, 31… … Gripper opening / closing roll, 32 …… Opening / closing guide, 33 …… Pin, 34 …… Cylinder, 35 …… Stopper, 36 …… Return spring, 37 …… Lower gripper, 38 …… Upper gripper, 39 …… Pivot support Pin, 40 …… Opening / closing cam, 41 …… Pivot pin, 42 …… Return spring, 43 …… Stopper, 44 …… Link, 45 …… Cylinder, 46 …… Link, 47
...... Houki seedling cutting device, 48 …… Rootstock seedling cutting device, 49 …… Motor, 50 …… Cutting arm, 51 …… Cutting blade, 52 …… Rear stay, 53 …… Motor, 54 …… Cutting arm , 55 …… cutting blade, 56 …… rear stay, 57 …… roller, 58 …… motor,
59 …… Clip feeder, 60 …… Clip, 61 …… Clip receiving hole, 62 …… Cylinder, 63 …… Clip guide, 64
…… Guide part, 65 …… Guide, 66 …… Return spring, 67 ……
Seedling guide groove, 68 …… grafted seedling discharge rod, 69 …… clip cassette, 70 …… clip storage hole, A …… scion seedling, scion,
B ... Rootstock seedlings, rootstocks.

Claims (2)

[Claims] 1. An openable / closable grip for gripping a scion seedling (A) supplied from a scion seedling supply section (6) and rotating intermittently or synchronously with a gripping member (27) of a rootstock seedling (B). Material (18)
And the scion seedling (A) gripped by the gripping member (18),
A scion processing body (2) comprising a cutting portion (47) which is fixed to the rotation movement path of the gripping member (18) and cuts the scion seedling (A) at a predetermined position while rotating. And an openable / closable gripping member (27) which grips the rootstock seedling (B) supplied from the rootstock seedling supply section (7) and rotates intermittently or rotates in synchronization with the gripping member (18) of the spikelet seedling (A). ) And the rootstock seedling (B) gripped by the gripping member (27).
A cutting part (48) fixed to the rotation movement route of 7) and cutting the rootstock seedling (B) at a predetermined position while rotating.
The root stock processing body (3) consisting of, and the two gripping members (18, 27) of the above-mentioned root stock processing body (2) and root stock processing body (3) rotate relative to each other, and the cutting part (47). , 48) with both cutting surfaces of the scion (A) and rootstock (B) cut at a predetermined position being joined or approached, this joining or approaching portion is supplied from the fixing member feeding section (59) The bonding mechanism (4) for bonding and fixing by the fixing member (60) and the grafted seedling whose bonding surface is fixed by the fixing member (60) of the bonding mechanism (4) are used as the scion processing body (2). After releasing the gripping members (18, 27) of the rootstock processing body (3) from the gripped state, the grafted seedling discharging mechanism (6) that reciprocates to discharge grafted seedlings (6
8) and a grafting device. 2. A scion seedling (A) cut by the cutting section (47) of the scion processing body (2) and a rootstock seedling cut by the cutting section (48) of the rootstock processing body (3). 2. The grafting device according to claim 1, wherein (B) is obtained by cutting each stalk obliquely so that both cut surfaces face and face each other.