EP1191837A1 - Dispositif de fixation d'un gobelet de machine a traire - Google Patents

Dispositif de fixation d'un gobelet de machine a traire

Info

Publication number
EP1191837A1
EP1191837A1 EP00937459A EP00937459A EP1191837A1 EP 1191837 A1 EP1191837 A1 EP 1191837A1 EP 00937459 A EP00937459 A EP 00937459A EP 00937459 A EP00937459 A EP 00937459A EP 1191837 A1 EP1191837 A1 EP 1191837A1
Authority
EP
European Patent Office
Prior art keywords
teat cup
carrier member
holding means
teat
magnetic feature
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP00937459A
Other languages
German (de)
English (en)
Inventor
Martin SJÖLUND
Tomas Lann R
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DeLaval Holding AB
Original Assignee
DeLaval Holding AB
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 DeLaval Holding AB filed Critical DeLaval Holding AB
Publication of EP1191837A1 publication Critical patent/EP1191837A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01J—MANUFACTURE OF DAIRY PRODUCTS
    • A01J5/00—Milking machines or devices
    • A01J5/017—Automatic attaching or detaching of clusters
    • A01J5/0175—Attaching of clusters

Definitions

  • the present invention relates to an apparatus for an animal related operation, according to the preamble of claim 1.
  • Known apparatus for an animal related operation comprises different kind of carrier members and holding means for connection of the teat cup to the carrier member.
  • a number of on/off switchable electromagnets connect the teat cups to the carrier member.
  • Known devices suffers from disadvantages in that they do not include any satisfactory supervision of a successful connection.
  • An electromagnet or a plurality of electromagnets may, by means of on-switching, make a connection between the teat cups against or on the carrier member when the electromagnet is switched on.
  • Known technique means however that a fixed orientation of the teat cups in relation to the carrier member is difficult to provide.
  • the teat cups have a tendency to slip and may fall off due to a diagonal fitting of a particular teat cup to the carrier member or other improper gripping.
  • An object of the present invention is to overcome the disadvantages of the known devices.
  • An other object of the invention is to provide a holding means for the teat cup arranged at the carrier member of a robot arm, said robot arm being associated with a control unit for automatically milking an animal.
  • an apparatus as initially defined which is characterized in that the teat cup is connectable to the carrier member by means of at least one magnetic feature holding means associated with the control unit and arranged at the carrier member for carrying the at least one teat cup between a part of the automatic milking device and the teat of the udder of an animal to be milked.
  • at least one teat cup can be carried between a part of the automatic milking machine, that is for example a teat cup rack or a cleaning or storage box, and the teat of the udder of an animal.
  • the at least one magnetic feature holding means comprises at least one permanent magnet for making an attachment between the carrier member and the at least one teat cup.
  • the absence of electrical wires provides a simple technical arrangement, thereby reducing costs for service and operation.
  • the at least one magnetic feature holding means comprises at least one disconnecting means controlled by the control unit for making a disconnection of the at least one teat cup from the carrier member after that the at least one teat cup has been carried from the part of the automatic milking device to the teat of the udder of an animal to be milked and vice versa.
  • the permanent magnet is arranged with a disconnecting means. That is, when the teat cup is connected to the carrier member and, for example, also is connected to the teat of an animal or to the teat cup rack, it will be possible to disconnect the teat cup from the carrier member by means of the control unit.
  • the at least one disconnecting means comprises at least one compressed-air blow out hole arranged at the carrier member, for releasing the at least one teat cup from the carrier member with a force higher than the magnetic force of the at least one permanent magnet.
  • the at least one disconnecting means comprises at least one ejector pin arranged at the carrier member.
  • means for disconnecting the teat cup from the carrier member by means of a mechanical device.
  • This device can be controlled by a servo or associated with the control unit.
  • driving means arranged for the ejector pin be provided, and further more similar member for pushing the teat cup of the carrier member can be used.
  • the at least one magnetic feature holding means comprises one switchable electromagnet with its two poles oriented in a longitudinal direction of the teat cup for making an attachment between the carrier member and the at least one teat cup.
  • the teat cup can be oriented in a fixed position, that is the poles of the electromagnet or the permanent magnet determines the orientation of the teat cup in a particular direction onto the carrier member.
  • the teat cup preferably is designed with a circular cross-section, the arrangement at the carrier member has a maximum width which is greater than the maximum width of the teat cup. Thereby is achieved an up-taking section of the gripper which will complement further on described guiding members to guide the teat cup into a fixed orientation.
  • control unit is adapted with a control function and a supervision function for respectively controlling the at least one magnetic feature holding means and supervision of the connection of the teat cup to the carrier member by means of using an impedance signal generated by the switchable electromagnet when an electrical connection is established via a fastening member mounted at the teatcup.
  • the fastening member could be an elongated metallic plate inserted in the casing of the teat cup. Subsequently, a successful connection of the teat cup to the carrier member can be controlled by the control unit associated with the supervision function without using any other supervision devises, for example sensors or cameras.
  • the fastening member is mounted at and is oriented in a longitudinal direction of the at least one teat cup, which teat cup being oriented in the direction of the switchable electromagnet when the at least one teat cup is connected to the carrier member.
  • fastening member is provided for electrical communication arranged at the teat cup in prefered orientation, independent of the material of the teat cup.
  • control unit is adapted with a control function for controlling the connection and the disconnection of the at least one teat cup by means of a reversion of the switchable electromagnet.
  • control unit provided in the automatic milking device.
  • connection means is provided, making an integrated orientation function with a disconnecting function.
  • the at least one magnetic feature holding means comprises a number of guiding member for guiding the at least one teat cup into the at least one permanent magnet in a concave cut-in portion in the carrier member corresponding to the at least one teat cup and its longitudinal direction. Subsequently, the teat cup can safely be guided to the carrier member, during the connection of the teat cup to the carrier member.
  • Fig. 1 illustrates an apparatus for an animal related operation comprising the magnetic feature holding means
  • Fig. 2 illustrates a magnetic feature holding means comprising a permanent magnet mounted at a carrier member of a robot arm provided for an automatic milking machine
  • Fig. 3 illustrates a disconnecting means comprising a compressed-air blow out hole according to Fig. 2
  • Fig. 4 illustrates the disconnecting means comprising an ejector pin mounted in the carrier member
  • Fig. 5 illustrates a magnetic feature holding means comprising a switchable electromagnet as an second embodiment of the invention.
  • Fig. 1 shows schematically an apparatus for an animal related operation, of which parts which are not relevant for the present invention have been omitted from the figure for the sake of clarity of illustration.
  • the figure shows also a part of an animal to be milked.
  • the apparatus comprises an automatic milking device 2, which is provided with a control unit 1, which is adapted for controlling the milking process and comprises furthermore a robot arm 10.
  • the robot arm 10 comprises a carrier member 3 adapted to carry a teat cup 5 between a teat of the udder of the animal and a teat cup rack 4.
  • the magnetic feature holding means 6 comprises a permanent magnet 7 according to a first embodiment of the invention.
  • Fig. 2 shows an example of the first embodiment of the invention.
  • the figure shows a part of the robot arm 10 of the apparatus for the animal related operation.
  • the control unit 1 adapted for controlling the milking process is associated with the carrier member 3.
  • a teat cup 5 is in the figure connected to the carrier member 3 at the end of the robot arm 10.
  • a permanent magnet 7 is holding the teat cup 5 to the carrier member 3.
  • the position of the magnetic feature holding means 6 is controlled by the control unit 1 for making a movement of the connected teat cup 5 between for example a teat of an udder of an animal and a part 4 of the automatic milking device 2.
  • the carrier member 3 is furthermore provided with guiding member 17 for guiding the teat cup into position during the connection.
  • Fig. 3 also shows an example of the first embodiment of the invention, in which parts denoted with a reference sign correspond to parts of figure 1 with the same reference sign.
  • Fig. 3 illustrates two compressed-air blow out holes 15 arranged at the carrier member 3 for a disconnection of the teat cup 5 from the carrier member 3. The blow out is activated by means of the control unit 1 when the teat cup is to be disconnected from the carrier member 3.
  • Fig. 4 shows an example of a second embodiment of the invention, in which parts denoted with a reference sign correspond to parts of figs. 1, 2 and 3 with the same reference sign.
  • an ejector pin 14 is arranged at the carrier member 3 between two permanent magnets 7 for pushing the teat cup 5 from the carrier member 3 controlled by the control unit 1 when the teat cup 5 is to be disconnected.
  • the ejector pin 14 may for example be actuated by compressed air.
  • Fig. 5 shows an example of a third embodiment of the invention, in which parts denoted with a reference sign correspond to parts off fig. 2 with the same reference sign.
  • a switchable electromagnet 9 is arranged at the carrier member 3.
  • the orientation of the switchable electromagnet 9 is provided so that the connection of the teat cup 5 will have a position vertical as seen in the figure, that is the poles of the switchable electromagnet 9 are in the fig. 5 oriented in the longitudinal direction of the teat cup 5.
  • a supervision of the teat cup to the carrier member may be done by measuring the impedance changes in the electromagnet generated by the switchable electromagnet 9 when an electrical communication is established via a fastening member mounted at the teatcup. Subsequently, a successful connection of the teat cup 5 to the carrier member 3 can be controlled by the control unit associated (not shown) with the supervision function without using any other supervision devises, for example sensors or cameras. This can be done by superimposing a variation in order to measure the inductance in the electromagnet. If the switchable electromagnet is supplied with a.c, it is possible to measure the inductance in said electromagnet in a directly manner.
  • a reversing switch of the switchable electromagnet 9 can be controlled by the control unit 1 provided in the automatic milking device. In this way a connection means is provided, making an integrated orientation function with a disconnecting function.
  • the control unit 1 controls the robot arm 10, comprising the carrier member 3, to grip the teat cup 5 by means of sensors or cameras (not shown) associated with the control unit 1 and provides, when the magnetic feature holding means 6 is in near distance to or in contact with the teat cup 5, a connection between the carrier member 3 and the teat cup 5 by means of a permanent magnet 7. It may also be done by means of a switchable electromagnet 9.
  • the teat cup 5 can be located in for example a teat cup rack 4, at the teat of an animal, in a cleaning station or storage box or elsewhere if the teat cup has to be picked up from any other position.
  • the carrier member 3 is associated with the control unit 1 for controlling and finding the teat cup 5 by means of for example a camera.
  • the teat cup 5 is guided by means of guiding members 17 in right position.
  • the teat cup 5 will rest against a cut-in section 19, designed with a substantially U-shaped cross-section, which has a maximum width which is greater than the maximum width of the teat cup, when connected.
  • the teat cup 5 will thereafter be moved to another position or held in its taken position, by means of the gripping member 3.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Husbandry (AREA)
  • Environmental Sciences (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Manipulator (AREA)

Abstract

L'invention concerne un appareil dont le fonctionnement est en liaison avec un animal. Cet appareil comprend une unité de commande (1) permettant de commander le processus de traite, un dispositif automatique de traite (2) doté d'un élément support (3) conçu pour tenir au moins un gobelet (5) qui peut être relié au pis d'un animal à traire. Ce gobelet (5) est relié à l'élément support (3) à l'aide d'au moins un moyen de fixation magnétique (6) et est placé sur cet élément support (3) pour porter ledit ou lesdits gobelet(s) (5) entre un moyen support (4) du dipositif automatique de traite (2) et le pis d'un animal à traire.
EP00937459A 1999-05-28 2000-05-26 Dispositif de fixation d'un gobelet de machine a traire Withdrawn EP1191837A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9901965A SE514439C2 (sv) 1999-05-28 1999-05-28 Kopplingsanordning för en spenkopp
SE9901965 1999-05-28
PCT/SE2000/001080 WO2000072665A1 (fr) 1999-05-28 2000-05-26 Dispositif de fixation d'un gobelet de machine a traire

Publications (1)

Publication Number Publication Date
EP1191837A1 true EP1191837A1 (fr) 2002-04-03

Family

ID=20415793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00937459A Withdrawn EP1191837A1 (fr) 1999-05-28 2000-05-26 Dispositif de fixation d'un gobelet de machine a traire

Country Status (4)

Country Link
EP (1) EP1191837A1 (fr)
AU (1) AU5262900A (fr)
SE (1) SE514439C2 (fr)
WO (1) WO2000072665A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527496C2 (sv) 2004-06-22 2006-03-21 Delaval Holding Ab Gripanordning, robotarm och mjölkningsrobot
SE529127C2 (sv) * 2005-09-02 2007-05-08 Delaval Holding Ab Detekteringsarrangemang jämte -metod för en magnetisk gripanordning
EP1913811B1 (fr) 2006-10-18 2014-02-26 DeLaval Holding AB Nettoyage dans un système de traite
EP2060169B1 (fr) * 2007-11-16 2014-12-24 DeLaval Holding AB Appareil et procédé de nettoyage d'un système de traite
WO2010072586A2 (fr) * 2008-12-22 2010-07-01 Delaval Holding Ab Agencement pour la préhension d'au moins un gobelet-trayeur
NL2010406C2 (nl) 2013-03-07 2014-09-10 Rotec Engineering B V Grijper voor het aanbrengen van melkbekers bij een te melken dier, robotarm en melkmachine voorzien daarvan, en werkwijze daarvoor.
US10238082B2 (en) 2013-10-29 2019-03-26 Delaval Holding Ab Teat cup shell teat cup and arrangement for automatically milking animals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802332A (nl) * 1988-09-21 1990-04-17 Lely Nv C Van Der Inrichting voor het melken van een dier.
GB9113405D0 (en) * 1991-06-20 1991-08-07 Silsoe Research Inst Automatic milking
NL9200091A (nl) * 1992-01-17 1993-08-16 Lely Nv C Van Der Melkmachine.
NL9300242A (nl) * 1993-02-08 1994-09-01 Lely Nv C Van Der Inrichting voor het melken van dieren.
NL9401451A (nl) * 1994-09-07 1996-04-01 Maasland Nv Inrichting en werkwijze voor het melken van dieren.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0072665A1 *

Also Published As

Publication number Publication date
SE514439C2 (sv) 2001-02-26
SE9901965L (sv) 2000-11-29
AU5262900A (en) 2000-12-18
SE9901965D0 (sv) 1999-05-28
WO2000072665A1 (fr) 2000-12-07

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