Browse Prior Art Database

Vacuum-Operated Tool

IP.com Disclosure Number: IPCOM000042041D
Original Publication Date: 1984-Mar-01
Included in the Prior Art Database: 2005-Feb-03
Document File: 2 page(s) / 53K

Publishing Venue

IBM

Related People

MacWilliams, D: AUTHOR [+2]

Abstract

A set of vacuum-operated tools for use in robotic assembly apparatus is specially designed such that each tool picks up two different components at a time and maintains them correctly positioned with respect to one another during transportation to an assembly station where they are fitted simultaneously onto their associated receiving components. The shape of the body portion, common to all tools, is as shown in the three sectioned views of Fig. 1 and employs the same principle as that of the tooling described in [*]. Thus the tool post 1 is provided with a flange 2 having a flat surface 3 which co-acts in use with specially constructed gripper fingers (not shown) used to pick-up and ensure alignment of the tool.

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Vacuum-Operated Tool

A set of vacuum-operated tools for use in robotic assembly apparatus is specially designed such that each tool picks up two different components at a time and maintains them correctly positioned with respect to one another during transportation to an assembly station where they are fitted simultaneously onto their associated receiving components. The shape of the body portion, common to all tools, is as shown in the three sectioned views of Fig. 1 and employs the same principle as that of the tooling described in [*]. Thus the tool post 1 is provided with a flange 2 having a flat surface 3 which co-acts in use with specially constructed gripper fingers (not shown) used to pick-up and ensure alignment of the tool. Two vacuum ports 4 and 5 are provided in the flat surface 3 and become connected to a vacuum source via corresponding ports in the gripper when the tool is picked up. In a central bore 6 of the tool post 1, a compliant shaft 7 is mounted for axial movement against the pressure of a spring
8. A retaining pin 9 through the shaft extends into elongated aperture 10 to limit the axial movement and prevent rotation of the shaft 7 within the body 1. Two pockets 11 and 12, milled on the shaft diameter, provide connecting channels between the vacuum ports 4 and 5 and two blind holes 13 and 14, respectively, drilled along the major axis of the shaft. The portion of the shaft projecting from the tool post and constituting the tool head 15 is sp...