JP2000166383A - Scion seedling receptor of automatically grafting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scion seedling receptor of an automatically grafting apparatus, capable of preventing seed leaves from being damaged or capable of preventing a cutter from cutting seed leaves. SOLUTION: This scion seedling receptor has (A) hypocotyl hands 4 installed so as to be able to hold the hypocotyl 2 of a scion seedling 1 by their head parts and (B) seed leaf-lifting devices 29 located above the top of the hypocotyl 2 held by hands 4 while being in the lower stop position and possessing seed leaf-lifting globular members 5 parted in the middle on both sides of the hypocotyl 2. The devices 29 are installed in an inclined state so as to be brought close to each other while lifting seed leaves 3 of the seedling 1 from the lower position when the members 5 are lifted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scion seedling receiving device for mounting scion seedlings before joining in an automatic grafting device for manufacturing grafted seedlings by joining scion seedlings and rootstock seedlings.

[0002]

2. Description of the Related Art A hand of a transport means grips a predetermined position of a hypocotyl and transports a scion seedling supplied to a seedling receiving device by an operator or an automatic means to a cutting place.

[0003]

However, the condition of the spikelet seedlings is not constant, and the thickness and length of the spikelet seedlings are various. For example, when the spikelet seedlings have long and drooping cotyledons,
When the hand on the conveying means grips the hypocotyl, it may also grip the cotyledon, causing damage to the cotyledon or cutting the cutting of the cotyledon by the cutter, causing a decrease in the yield rate due to poor grafting seedling survival. .

[0004]

SUMMARY OF THE INVENTION The present invention provides an automatic grafting apparatus for solving the above-mentioned problems, and employs the following technical means. That is, a hypocotyl hand 4 provided at the tip end so as to be able to open and close so that the hypocotyl 2 of the scion seedling 1 can be gripped.
And a cotyledon lifting body 5, 5 located above the upper end of the hypocotyl 2 gripped by the hypocotyl hand 4 and distributed to both sides of the hypocotyl 2 at the lower stop position. Reference numeral 5 denotes a scion seedling receiving device in an automatic grafting device configured to lift the cotyledons 3 and 3 of the scion seedling 1 from below when approaching.

[0005]

The scion seedlings 1 are supplied to the scion seedling receiving device 6 manually or automatically. The hypocotyl hand 3 opened horizontally is the Hogi seedling 1
Is gripped. The cotyledon lifting body 5 rises so that the end of movement is narrower than the start of movement, and folds the cotyledon 4 upward.

[0006]

Since the cotyledon lifting body 5 lifts the cotyledons 4 of the scion seedlings 1, the hypocotyl hand 3 can grip the hypocotyls 2 avoiding the cotyledons 4 of the scion seedlings 1. Damage can be prevented.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. First, the structure of the automatic grafting device 7 will be described. The automatic grafting device 7 is provided with the scion seedling receiving device 9 on one side and the rootstock seedling receiving device 10 on the other side with the grafting body 8 interposed therebetween. In the center of the graft main body 8, a clip supply device 13 for arranging and transporting the graft clips 12 at the joining location 11 is provided.

The scion seedling receiving device 9 is provided with a seedling receiving member 26 in which a groove 25 for receiving the hypocotyl 2 is formed in the front-rear direction, and is located below the seedling receiving member 26 and reciprocates laterally by an air cylinder. A hypocotyl hand 4 provided with a grip portion 27 for gripping / releasing a vertical intermediate portion of the hypocotyl 2 of the hogi seedling 1, and a cotyledon lifting having a vertical axis and provided reciprocally by an air cylinder And a cotyledon lifting device 29 having a shaft 28.

The cotyledon lifting shaft 28 has a spherical cotyledon lifting body 5 detachably provided at the upper end thereof. Also,
The rootstock seedling receiving device 10 has substantially the same configuration as the scionling seedling receiving device 9. The cotyledon lifting devices 29 are disposed on the right and left sides of the grip portion 27 in front view, respectively. It is sloping toward the inside to lift. Further, the cotyledon lifting device 29 is configured so that the inclination angle with respect to the machine frame can be adjusted by tightening and loosening (or attaching and detaching) the screw 31, thereby improving the adaptability of the condition of the scion seedling 1.

In this embodiment, a plurality of cotyledon lifting devices 29 are provided. However, it is a matter of course that one cotyledon lifting device 29 may be used to lift both cotyledons 3 and 3. Reference numeral 32 denotes a position adjuster which can change the position of the scion seedling receiving device 9 in the lateral direction with respect to the machine frame 33, and is constituted by an adjuster bolt and a nut, but is not limited to this means.

Then, the spikelet seedling receiving device 9 and the joining place 11
Between the spikelet 1 and the spikelet receiving device 9
A seedling transfer device 14 is provided for transferring to the rootstock seedling receiving device 1.
A rootstock seedling transporting device 15 for transporting the rootstock seedlings 18 from the rootstock seedling receiver 10 to the bonding location 11 is provided between 5 and the bonding location 11. Also, a scion seedling cutting device 16 is provided in the middle of the step of transferring the scion seedlings 1 by the scion seedling transfer device 14, and the scion seedling transfer device 15 is set in the process of transferring the scion seedlings 18 by the rootstock seedling 18. A cutting device 17 is provided.

The seedling transfer device 14 and the rootstock transfer device 15
The main part of the main body 20 will be described. A main body 20 that reciprocates in the direction of the arrow, an air chuck 21 that reciprocates in the front-rear direction with respect to the main body 20 at a front part of the main body 20, and a front part of the air chuck 21 A pair of left and right angular fingers 22 and 22 provided to be openable and closable in the lateral direction by an operating mechanism (not shown) using air as a driving source protrudes toward the front side.

The hand 19 is formed by providing a front-rear plane 19a elongated in the front-rear direction and an upright plane 19b standing upright at the rear part. It is detachably attached. A notch 19c on an arc is formed at the tip of each front and rear plane 19a, and when both front and rear planes 19a approach inside, the hypocotyl 2 is gripped by the space formed by both notches 19c. Configuration.

A stopper 6 made of a flexible elastic body (rubber, resin, or spring) is provided in a space surrounded by the fingers 22. The cutting device 16 for cutting a seedling and the cutting device 17 for cutting a rootstock are provided with a cutter arm attached to a cylinder shaft of a rotary cylinder rotatable by air.
And a cutting blade 24 detachably attached to the cutter arm 23. In addition, the scion seedling cutting device 16
Since the rotation direction of the rotary cylinder is opposite to that of the rootstock seedling cutting device 17, the cutting portion of the cutting blade 24 also rotates in the opposite direction.

Reference numeral 34 denotes an operation panel provided on the upper part of the grafting main body 5, which includes a counter 35 for counting and displaying the number of grafts, an alarm buzzer 36 for notifying an alarm, a caution lamp 37 for calling attention, and a power switch. 38, pressure gauge 3
9, an operation switch 40, a crop switch 41, a selection switch 42, and an exchange switch 43 are provided. Next, the operation will be described. First, an operator turns on a power supply and a work switch. Then, the hypocotyl 2 of the scion seedling 1 is inserted into the groove 25 of the seedling receiving body 26 of the scion seedling receiving device 9 and set.
The hypocotyl 2 of the rootstock seedling 18 is transferred to the seedling receiving body 26 of the rootstock seedling receiving device 10.
And set it in the groove 25.

Then, in response to a signal from a sensor (not shown) that senses this, the hypocotyl hand 4 is moved inward in the lateral direction by operating means using air as a driving source, and the hypocotyl 2 is gripped. Subsequently, the cotyledon lifting shaft 28 and the cotyledon lifting body 5 rise obliquely to lift the cotyledon 3 of the scion seedling 1 upward by the air-operated operating means. Fold it inward.

When the air chuck 21 of the scion seedling conveying apparatus 14 moves to a predetermined front position, the finger 22 and the hand 19 which have been opened outward in the horizontal direction advance in advance. The plane 19b is located on both sides of the hypocotyl 2. Then, finger-2
Since the hands 22, 22 and the hands 19, 19 move inward,
The notches 19c, 19c grip the small shaft 2, but at this time, the cotyledon 3 of the ear tree seedling 1 does not hang down, so that the hands 19, 19 can grip the hypocotyl 2 while avoiding the cotyledon 3. it can. Since the cotyledon lifting body 5 is provided in a spherical shape, the cotyledon 3 can be lifted smoothly without being damaged by being caught.

Accordingly, the cutting device 16 for cutting a scion seedling, described later, is used.
When cutting the hypocotyl 2 with, the cutting blade 24 does not cut off or damage the cotyledon 3 which must remain,
Grafted seedlings can be made healthy. Also, fingers
22, a stopper 6 made of a flexible elastic body inside
When the hypocotyl 2 is thick, the stopper effect is reduced and gripping can be performed with the set pressure, and when the hypocotyl 2 is thin, the stopper effect is generated and the gripping force is weakened.
Can hold the hypocotyl 2 with a gripping force suitable for the thickness of the seedling 1.

Therefore, the thick hypocotyl 2 does not fall off the hand 19, and the thin hypocotyl 2 does not collapse and the joining efficiency can be improved. Further, when the main body 20 is rotated by approximately 90 degrees and the scionling seedling conveying device 14 is stopped at a position facing the scionling seedling cutting device 16, the air chuck 21 returns to the original position. At a predetermined timing, the scion seedling cutting device 16 rotates and returns to the original position. At this time, the cutting blade 24 moves the hypocotyl 2 having the cotyledon 3 located on the near side. A substantially predetermined position is cut. When the cutting of the hypocotyl 2 is completed, the main body 20 is further rotated by 90 degrees, and
4 is opposed to the joining place 11.

On the other hand, the rootstock seedlings 18 are carried out in the same manner as described above, and are transported by the rootstock seedling transporting device 15 to a position facing the joining place 11, during which the rotating rootstock seedling cutting device rotates. A substantially predetermined position is cut by a cutting blade 24 provided at 17. Subsequently, the air chuck 21 of the scion seedling conveying device 14 moves to a predetermined position in front, and the air chuck 21 of the rootstock seedling conveying device 15 also moves to a predetermined position in front.
The cut surface of the cutting 1 and the cut surface of the stock 17 are pressed.

The clip supply device 13 which is in time with this is used for the graft clip 12 having the grip portion opened.
To push the grafted clip 1 out.
The gripping portion 2 grips the cut surface of the scion seedling 1 and the cut portion of the rootstock seedling 17 which are then closed and pressed to produce a grafted seedling. When the joining operation is completed, the air chucks 21 of the scion seedling transfer device 14 and the stock transfer device 15 are alternately returned to the original predetermined positions, and the scion support 9 and the stock support 10 are respectively returned.
And waits for the next operation.

[Brief description of the drawings]

FIG. 1 is a plan view of a partially grafted main body of an automatic grafting device.

FIG. 2 is a front view of the scion seedling receiving device.

FIG. 3 is a front view of an operation panel.

FIG. 4 is a plan view of a partly cut scion seedling conveying device.

FIG. 5 is a front view of a partly cut scion seedling conveying device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hogi seedling 2 Hypocotyl 3 Cotyledon 4 Hypocotyl hand 5 Cotyledon lifting body

Claims (1)

[Claims] 1. A hypocotyl hand 4 provided at the tip so that the hypocotyl 2 of a scion seedling 1 can be gripped and opened and closed freely, and a lower stop position above the upper end of the hypocotyl 2 gripped by the hypocotyl hand 4 And the cotyledon lifting bodies 5, 5 distributed on both sides of the hypocotyl 2 are provided, and the cotyledon lifting bodies 5, 5 lift the cotyledons 3, 3 of the scion seedling 1 from below to approach when ascending. A scion seedling receiving device in an automatic grafting device having a configuration.