Method of milking animals

• US 6,205,949 B1
• Filed: 10/09/1998
• Issued: 03/27/2001
• Est. Priority Date: 02/12/1997
• Status: Expired due to Term

• Current Assignee: Maasland NV A Dutch Limited Liability Company
• Original Assignee: Maasland N.V.
• Inventors: van den Berg, Karel
• Primary Examiner(s): Poon, Peter M.
• Assistant Examiner(s): ABBOTT, YVONNE RENEE
• Application Number:
  US09/169,151
• Time in Patent Office: 900 Days
• Field of Search: 119/14.02, 119/14.08, 119/14.03, 119/14.47, 119/14.54, 119/14.14
• US Class Current: 119/14.02
• CPC Class Codes: A01J 5/0175 Attaching of clusters
• CPC Class Codes: A01K 1/12 Milking stations

Abstract

A method and apparatus for milking animals, particularly goats, wherein the animals are arranged side by side in two rows of milking compartments in a milking parlor. A robot arm construction is provided which is moved along the rear of the animals in the milking compartments of each row. Teat cups are provided behind each of the milking compartments which are retained in holders by a tension mechanism. A pair of rails are provided behind each row of milking compartments along which the robot arm constructions move supported via rollers which engage the rails. Each robot arm construction has an acquiring mechanism for grasping individually the teat cups and moving them forward and aft, pivoting them about a vertical pivot axis, and raising and lowering them. Each acquiring mechanism includes a sensor which is active between the hind legs of an animal in the milking compartment involved for locating the animal'"'"'s teats and providing guidance for connecting the teat cups to the animal'"'"'s teats from between the hind legs of the animals. The forward aspect of each milking compartment has a feeding trough on a partition which is movable and functions as an exit from the milking compartment.

Claims

1. A method of milking animals, in which the animals are arranged side by side in a milking parlor, comprising the steps of:

moving a robot arm construction along the rear of the animals to consecutively position the animals to be milked;

consecutively detecting the position of each animal'"'"'s teats while arranged side by side in said milking parlor by transmitting radiation from said robot arm construction between the hind legs of the relevant animal; and

consecutively connecting teat cups to the teats of animals positioned to be milked.

2. A method of milking animals, in which the animals are arranged side by side in a milking parlor comprising moving a robot arm construction along the rear of the animals,

consecutively detecting the position of each animal'"'"'s teats while said animals are arranged side by side in said milking parlor by transmitting from said robot arm construction radiation between the legs of the relevant animal,

consecutively acquiring teat cups provided behind each of the animals arranged in the milking parlor by said robot arm construction and connecting said teat cups to the teats of the animal by said robot arm construction.

3. A method in accordance with claim 2, wherein said teat cups are connected to the teats of the animals by said robot arm construction by moving said teat cups between the hind legs of the animals.

4. An apparatus for milking animals, comprising a milking parlor in which the animals can be arranged side by side, a robot arm construction which is movable along the rear of the animals arranged in the milking parlor, detector means on said robot arm which determines the locations of the animals'"'"' teats, while side by side in said milking parlor by transmitting a radiation which is reflected from the animal'"'"'s teats, said robot arm construction including acquiring means for grasping teat cups which are provided behind each of the animals arranged in the milking parlor and connecting means guided by said detector means for connecting said teat cups to the teats of each animal, such teat cups being provided from behind each said by said connecting means.

5. An apparatus in accordance with claim 4, wherein said robot arm construction comprises a pivotal axis whereby said acquiring means is pivotable relative to the remainder of said robot arm construction about said pivotal axis, said robot arm construction further comprising elevating means whereby said acquiring means is vertically movable under the animal'"'"'s udder.

6. An apparatus as claimed in claim 5, wherein said pivotal axis is disposed in the upper aspect of said robot arm construction and extends parallel to said robot arm construction'"'"'s direction of movement along the rear of the animals arranged in said milking parlor.

7. An apparatus in accordance with claim 5, wherein said robot arm construction comprises a substantially downwardly extending carrier for said acquiring means, said carrier being pivotal about a pivot axis.

8. An apparatus in accordance with claim 7, wherein said elevating means interconnects said acquiring means and said carrier.

9. An apparatus in accordance with claim 8, further comprising a robot arm, said elevating means comprising a piston and cylinder element disposed between said robot arm and said carrier.

10. An apparatus in accordance with claim 7, wherein said pivot axis is substantially vertically disposed and said acquiring means is connected in said robot arm construction so as to be rotatable about said substantially vertical pivot axis.

11. An apparatus in accordance with claim 4, wherein said acquiring means is provided with a detector for determining the positions of the teats of an animal adjacent thereto.

12. An apparatus in accordance with claim 4, wherein said milking parlor comprises a plurality of side by side milking compartments, a holder for teat cups being disposed behind each said milking compartment, said holder being operatively associated with tension means for retaining a said teat cup by tension in said holder.

13. An apparatus in accordance with claim 12, wherein said milking parlor comprises a plurality of milking compartments in which said animals can be individually arranged side by side, said acquiring means performing the function of individually taking each teat cup from a said holder and connecting it to a teat of an animal present in the relevant said milking compartment.

14. An apparatus in accordance with claim 12, comprising withdrawing means for withdrawing a teat cup into said holder after milk flow into said teat cup is substantially completed, each said teat cup being provided with said withdrawing means.

15. A method of milking animals wherein the animals are arranged side by side in a milking parlor which comprises the steps of:

moving a robot arm construction along the rear of the animals consecutively to position of the animals to be milked;

consecutively connecting teat cups to the teats of animals so positioned to be milked; and

detecting the position of each animal'"'"'s teats by detector which transmits a radiation reflected by said teats between the hind legs to the udder of the relevant animal.

16. An Apparatus for milking animals comprising a milking parlor in which the animals are arranged side by side, a robot arm construction which is movable along the rear of the animals arranged in the milking parlor, said robot arm construction including acquiring means for grasping teat cups which are provided behind each of the animals arranged in the milking parlor and connecting means for connecting said teat cups to the teats of the animals, such teat cups being provided from behind the animals by said connecting means, said robot arm construction comprising a pivotal axis whereby said acquiring means is pivotal relative to the remainder of said robot arm construction about said pivotal axis, said robot arm construction further comprising elevating means whereby said acquiring means is vertical movable under each animal'"'"'s udder, said pivotal axis being disposed in the upper aspect of said robot arm construction and extending parallel to said robot arm construction'"'"'s direction of movement along the rear of the animals arranged in the said milking parlor, a rail and a support unit movable along said rail in a direction parallel to said pivotal axis, the portion of said robot arm construction which is pivotal about said pivotal axis being pivotal in a direction perpendicular to said pivotal axis as seen from above.

17. An apparatus in accordance with claim 16, comprising a second rail and a framework which is disposed in said milking parlor behind where said animals can be arranged side by side, said first mentioned rail and said second rail mounted at different levels on said framework to extend behind where said animals can be arranged side by side, said support unit being movable along said first mentioned rail and said second rail.

18. An apparatus in accordance with claim 17, comprising roller means disposed between said support unit on one hand and said first mentioned rail and said second rail on the other hand.

19. An apparatus in accordance with claim 16, comprising a motor drive for moving said support unit along said rail.

20. An apparatus in accordance with claim 16, comprising piston and cylinder means disposed between the pivotal portion of said robot arm construction and said support unit for pivoting the pivotal portion of said robot arm construction in a direction perpendicular to said pivotal axis as seen from above.

21. An apparatus for milking animals comprising a milking parlor in which the animals are arranged side by side, a robot arm construction which is movable along the rear of the animals arranged in said milking parlor, said robot arm construction including an acquiring means for grasping teat cups which are provided behind each of the animals arranged in the milking parlor, connecting means for connecting said teat cups to the teats of the animals being provided from behind the animals by said connecting means, and said acquiring means being provided with a gripping element for grasping a said teat cup, said gripping element being pivotal about a substantially horizontal axis.

22. An apparatus for milking animals comprising a milking parlor in which the animals are arranged side by side, a robot arm construction which is movable alone the rear of the animals arranged in the milking parlor, said robot arm construction including acquiring means for grasping teat cups which are provided behind each of the animals arranged in the milking parlor, connecting means for connecting said teat cups to the teats of the animals, such teat cups being provided from behind the animals by said connecting means, and a plurality of individual side by side milking compartments, each said milking compartment being provided with a turnstile means which functions so that when an animal occupies a said milking compartment, a partition is formed in the adjacent milking compartment.

23. An apparatus for milking animals comprising a milking parlor in which the animals to be milked are arranged side by side, a robot arm construction which is movable along the rear of the animals arranged in the milking parlor, said robot arm construction including acquiring means for grasping teat cups which are provided behind each of the animals arranged in the milking parlor, connecting means for connecting said teat cups to the teats of the animals, such teat cups being provided from behind the animals by said connecting means, and a plurality of side by side milking compartments for each animal to be milked, a movable feed trough being provided on the front of each of said milking compartments.

24. An apparatus in accordance with claim 23, comprising pivot means for pivoting said movable feed trough upwardly.

25. An apparatus in accordance with claim 24, wherein said movable feed trough comprises an exit from said milking compartment.