WO1992005684A1 - Equipment for transferring plants - Google Patents

Equipment for transferring plants Download PDF

Info

Publication number
WO1992005684A1
WO1992005684A1 PCT/FI1991/000296 FI9100296W WO9205684A1 WO 1992005684 A1 WO1992005684 A1 WO 1992005684A1 FI 9100296 W FI9100296 W FI 9100296W WO 9205684 A1 WO9205684 A1 WO 9205684A1
Authority
WO
WIPO (PCT)
Prior art keywords
tines
ball
gripping
equipment
gripping device
Prior art date
Application number
PCT/FI1991/000296
Other languages
French (fr)
Inventor
Bert Thijssen
Original Assignee
Lännen Tehtaat Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lännen Tehtaat Oy filed Critical Lännen Tehtaat Oy
Publication of WO1992005684A1 publication Critical patent/WO1992005684A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/08—Devices for filling-up flower-pots or pots for seedlings; Devices for setting plants or seeds in pots
    • A01G9/086—Devices for repotting
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C11/00—Transplanting machines
    • A01C11/02—Transplanting machines for seedlings
    • A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays

Definitions

  • the invention relates to an equipment for transferring balled seedlings.
  • the equipment there is a gripping device with at least two tines, in which a balled seedling is attached.
  • the ball is transferred by moving the gripping device.
  • the equipment is especially adapted for use in machines, where plants are transferred from a growing honeycomb to another substrate.
  • Lannen Tehtaat Oy (corresponds e.g. to US patent 4893571) it is known an automatic equipment for planting balled seedlings, whereby a balled seedling is pushed from a growing honeycomb lying on its side into a gripping device consisting of two parallel tines so, that the tines penetrate the ball from top. The gripping device with the ball is then turned downwards, the ball is released and dropped into the substrate.
  • a force turning the tine is directed towards at least one gripping tine when the ball is attached in the tines.
  • a friction between the tines and the ball in- creases and the ball is more firmly attached into the tines during the transfer.
  • Fig. 1 shows the equipment in side view
  • Fig. 2 a gripping device in top view.
  • a honeycomb 1 lying on its side containing balled seedlings, the pots of which are open in the bottom.
  • the honeycomb is moved by a special device 2 in such a way that each pot in its turn gets into a ball re- leasing position, where the ball is pushed from the pot by a pushing device 3.
  • the ball is pushed into a gripping device, in which there are two tines 4 penetrating in the ball from top.
  • the gripping device is then turned into its bottom position, whereby the ball is released by a release device 5 to be brought into the substrate by guiding devices 6.
  • the equipment corresponds to the one described in the US patent 4893571 mentioned above, which publication is incorpo ⁇ rated as a reference in this description.
  • a frame 9 attached onto an axle 8 with its mounting sleeves 10 and 11 and its gripping tines 12 and 13. Both tines are straight.
  • the tine 12 is rigidly attached into the frame 9.
  • the tine 13 with its sleeves 11 is mounted in bearings 14 in the frame to be turned horizontally.
  • a bar 15 direct on the side facing from the tines, at the end of which bar there is a wheel 16.
  • a spring 17 in connection with the sleeve 11, which tends to turn the tine 13 away from the tine 12.
  • the balled seedling is pushed into the tines 12 and 13 in their horizontal position, after which the gripping device is turned downwards and the ball is released from the tines to be brought into a sub- strate.
  • the wheel 16 leans against a guide surface 18 firm in regard to the frame 9, by which guide surface the turning of the tine 13 is guided.
  • the tines When the tines are in a horizontal position, whereby the ball is pushed into the tines, the tine 13 is parallel with the tine 12.
  • a projecting part 19 of the guide surface 18 pushes the bar 15, whereby the tine 13 turns towards the tine 12, and the ball is tightly pressed between the tines.
  • the tines turn into their bottom position, there is a declining part 20 in the guide surface, whereby the compression of the tines from the ball weakens and the ball can easily be released.
  • Both tines of the gripping device can naturally be designed to be turned, if desired.
  • the gripping tines can be wider on the surfaces facing each other than elsewhere, whereby also a fragile ball remains easier unbroken.
  • a gripping device formed by the tines is attached in a conveyor, which takes the ball into a releasing point and returns the gripping device to take a new ball.
  • tines can be used, which tend to turn away from each other, in case crumbling of balls is not a problem (e.g. by balls with binding medium or balls covered with a coating layer) . Also several tines can be used if desired.
  • the invention is in principle adapted for use in all kinds of equipment, in which balled seedlings, e.g. cone-shaped balls, are transferred from a sub ⁇ strate, e.g. from a honeycomb, to another substrate, e.g. into the soil, to another honeycomb or to sep ⁇ arate pots.
  • balled seedlings e.g. cone-shaped balls

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

The invention relates to an equipment for transferring a balled seedling, in which equipment there are gripping tines (12, 13), into which the ball can be pushed. In addition to this there are devices (15, 19) involved in the equipment for directing a turning force against the tines during the transfer.

Description

Equipment for transferring plants
The invention relates to an equipment for transferring balled seedlings. In the equipment there is a gripping device with at least two tines, in which a balled seedling is attached. The ball is transferred by moving the gripping device. The equipment is especially adapted for use in machines, where plants are transferred from a growing honeycomb to another substrate.
For example from the published patent application Fl 874803, Lannen Tehtaat Oy (corresponds e.g. to US patent 4893571) it is known an automatic equipment for planting balled seedlings, whereby a balled seedling is pushed from a growing honeycomb lying on its side into a gripping device consisting of two parallel tines so, that the tines penetrate the ball from top. The gripping device with the ball is then turned downwards, the ball is released and dropped into the substrate.
One of the problems by a gripping device described above is that the ball sometimes loosens from the tines too early.
Now it has been invented equipment and methods defined in the claims.
It is essential in the invention that a force turning the tine is directed towards at least one gripping tine when the ball is attached in the tines. Thus a friction between the tines and the ball in- creases and the ball is more firmly attached into the tines during the transfer.
Some embodiments of the invention will be described in more detail in the following. In the simplified drawings Fig. 1 shows the equipment in side view and Fig. 2 a gripping device in top view.
In the equipment according to Fig. 1 there is a honeycomb 1 lying on its side containing balled seedlings, the pots of which are open in the bottom. The honeycomb is moved by a special device 2 in such a way that each pot in its turn gets into a ball re- leasing position, where the ball is pushed from the pot by a pushing device 3. The ball is pushed into a gripping device, in which there are two tines 4 penetrating in the ball from top. The gripping device is then turned into its bottom position, whereby the ball is released by a release device 5 to be brought into the substrate by guiding devices 6. The equipment corresponds to the one described in the US patent 4893571 mentioned above, which publication is incorpo¬ rated as a reference in this description. There are two tines 7 in the front edge of the pushing device 3, which tines help the ball to remain in the same horizontal position during the pushing.
In the gripping device according to Fig. 2 there is a frame 9 attached onto an axle 8 with its mounting sleeves 10 and 11 and its gripping tines 12 and 13. Both tines are straight.
The tine 12 is rigidly attached into the frame 9. On the contrary, the tine 13 with its sleeves 11 is mounted in bearings 14 in the frame to be turned horizontally. In the sleeve 11 there is additionally attached a bar 15 direct on the side facing from the tines, at the end of which bar there is a wheel 16. In addition to this there is a spring 17 in connection with the sleeve 11, which tends to turn the tine 13 away from the tine 12.
The balled seedling is pushed into the tines 12 and 13 in their horizontal position, after which the gripping device is turned downwards and the ball is released from the tines to be brought into a sub- strate.
The wheel 16 leans against a guide surface 18 firm in regard to the frame 9, by which guide surface the turning of the tine 13 is guided. When the tines are in a horizontal position, whereby the ball is pushed into the tines, the tine 13 is parallel with the tine 12. When the tines are started to be turned downwards, a projecting part 19 of the guide surface 18 pushes the bar 15, whereby the tine 13 turns towards the tine 12, and the ball is tightly pressed between the tines. When the tines turn into their bottom position, there is a declining part 20 in the guide surface, whereby the compression of the tines from the ball weakens and the ball can easily be released.
Both tines of the gripping device can naturally be designed to be turned, if desired.
In order to decrease the compression pressure the gripping tines can be wider on the surfaces facing each other than elsewhere, whereby also a fragile ball remains easier unbroken. In order to improve gripping there can be suitable barbs, holes etc. in the tines.
In the equipment described above there is the advantage that the ball is safely attached into the tines through the whole transferring procedure. In addition to this the danger of the ball to be damaged decreases, when the tines pressing against each other are used.
According to an embodiment, a gripping device formed by the tines is attached in a conveyor, which takes the ball into a releasing point and returns the gripping device to take a new ball.
In principle also tines can be used, which tend to turn away from each other, in case crumbling of balls is not a problem (e.g. by balls with binding medium or balls covered with a coating layer) . Also several tines can be used if desired.
The invention is in principle adapted for use in all kinds of equipment, in which balled seedlings, e.g. cone-shaped balls, are transferred from a sub¬ strate, e.g. from a honeycomb, to another substrate, e.g. into the soil, to another honeycomb or to sep¬ arate pots.

Claims

Claims
1. Equipment for transferring a balled seed¬ ling, which equipment comprises of - a gripping device with at least two gripping tines, in which the balled seedling can be pushed,
- devices for pushing the balled seedling into the gripping tines, and
- devices for releasing the balled seedling from the gripping device and taking it away (5, 6) , c h a r a c t e r i z e d in that in the gripping device there are
- devices for producing a force, which tends to turn the tines (12, 13) in the ball.
2. Gripping device in an equipment for trans¬ ferring a balled seedling, in which device there are at least two gripping tines, in which the balled seedling can be pushed, c h a r a c t e r i z e d in that in the gripping device there are devices for producing a force, which tends to turn the tines (12, 13) in the ball.
3. Method for transferring a balled seedling, in which method the ball is pushed into a gripping device with at least two gripping tines penetrating into a ball, and from which gripping device the ball is released and taken away, c h a r a c t e r ¬ i z e d in that the ball pushed in the gripping tines is held in the tines by directing a lateral force against the tines.
4. Method as in claim 3, c h a r a c t e r ¬ i z e d in that a force pressing the tines towards each other is directed against the tines.
PCT/FI1991/000296 1990-09-27 1991-09-25 Equipment for transferring plants WO1992005684A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI904767A FI904767A (en) 1990-09-27 1990-09-27 ANORDNING FOER OEVERFOERING AV EN PLANTA.
FI904767 1990-09-27

Publications (1)

Publication Number Publication Date
WO1992005684A1 true WO1992005684A1 (en) 1992-04-16

Family

ID=8531127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1991/000296 WO1992005684A1 (en) 1990-09-27 1991-09-25 Equipment for transferring plants

Country Status (3)

Country Link
AU (1) AU8514391A (en)
FI (1) FI904767A (en)
WO (1) WO1992005684A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994003040A1 (en) * 1992-08-10 1994-02-17 Williames Hi-Tech International Pty. Ltd. Apparatus for automatically planting seedlings taken from a hard seedling tray
EP0613614A1 (en) * 1993-03-04 1994-09-07 YANMAR AGRICULTURAL EQUIPMENT Co., Ltd. Seedling planting apparatus
EP0657094A1 (en) * 1993-12-13 1995-06-14 Machinefabriek Flier B.V. Method and apparatus for manipulating substrate having a plant incorporated therein
NL1001461C2 (en) * 1995-10-20 1996-08-23 William Van Der Burg Device for removing plants contained therein from a collection tray for transfer into pots.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709692A1 (en) * 1977-03-05 1978-09-07 Franz Metz Planting machine with furrow share and planting wheel - has planting grippers with jaws in form of two armed levers
WO1986001975A1 (en) * 1984-10-05 1986-04-10 Michel Germaine Method for taking and transferring plants in earth balls
FR2578142A1 (en) * 1985-01-11 1986-09-05 Ferrand Claude Device for extracting clods from plant-growing volumes for transplantation
US4893571A (en) * 1987-11-02 1990-01-16 Lannen Tehtaat Oy Method and device for planting balled seedlings
FR2635637A1 (en) * 1988-08-31 1990-03-02 Visser S Gravendeel Holding Bv Gripping appliance with automatic detachment for transferring plants
US4932338A (en) * 1987-12-17 1990-06-12 Iseki & Co., Ltd. Apparatus for transplanting seedings of nursery pans into beds

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709692A1 (en) * 1977-03-05 1978-09-07 Franz Metz Planting machine with furrow share and planting wheel - has planting grippers with jaws in form of two armed levers
WO1986001975A1 (en) * 1984-10-05 1986-04-10 Michel Germaine Method for taking and transferring plants in earth balls
FR2578142A1 (en) * 1985-01-11 1986-09-05 Ferrand Claude Device for extracting clods from plant-growing volumes for transplantation
US4893571A (en) * 1987-11-02 1990-01-16 Lannen Tehtaat Oy Method and device for planting balled seedlings
US4932338A (en) * 1987-12-17 1990-06-12 Iseki & Co., Ltd. Apparatus for transplanting seedings of nursery pans into beds
FR2635637A1 (en) * 1988-08-31 1990-03-02 Visser S Gravendeel Holding Bv Gripping appliance with automatic detachment for transferring plants

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994003040A1 (en) * 1992-08-10 1994-02-17 Williames Hi-Tech International Pty. Ltd. Apparatus for automatically planting seedlings taken from a hard seedling tray
GB2284337A (en) * 1992-08-10 1995-06-07 Williames Hi Tech Int Apparatus for automatically planting seedlings taken from a hard seedling tray
GB2284337B (en) * 1992-08-10 1996-05-08 Williames Hi Tech Int Hard tray field planter
EP0613614A1 (en) * 1993-03-04 1994-09-07 YANMAR AGRICULTURAL EQUIPMENT Co., Ltd. Seedling planting apparatus
US5477791A (en) * 1993-03-04 1995-12-26 Yanmar Agricultural Equipment Co., Ltd. Seedling planting apparatus
EP0657094A1 (en) * 1993-12-13 1995-06-14 Machinefabriek Flier B.V. Method and apparatus for manipulating substrate having a plant incorporated therein
NL9302172A (en) * 1993-12-13 1995-07-03 Flier Bv Geb Method and device for manipulating substrate with crop contained therein.
US5536281A (en) * 1993-12-13 1996-07-16 Machinefabriek Flier B.V. Method and apparatus for manipulating substrate having a plant incorporated therein
NL1001461C2 (en) * 1995-10-20 1996-08-23 William Van Der Burg Device for removing plants contained therein from a collection tray for transfer into pots.

Also Published As

Publication number Publication date
AU8514391A (en) 1992-04-28
FI904767A (en) 1992-03-28
FI904767A0 (en) 1990-09-27

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