Metal working – Means to assemble or disassemble – With magazine supply
Patent
1987-12-18
1989-03-14
Echols, P. W.
Metal working
Means to assemble or disassemble
With magazine supply
198773, 221 89, B23Q 710
Patent
active
048114804
DESCRIPTION:
BRIEF SUMMARY
This invention relates to apparatus for supplying components for insertion into a printed circuit board.
According to the present invention there is provided apparatus for supplying components for insertion into a printed circuit board, which apparatus comprises a component dispenser, the component dispenser having first and second substantially parallel elongate support means for supporting components at locations spaced-apart along the lengths thereof and means for allowing relative movement of the first and second support means both transversely of and parallel to the length of the first support means so that, in use of the apparatus, relative movement of the first and second support means of the dispenser causes components supported by one of the support means to be transferred to the other support means and then returned to the one support means at positions which are advanced along the one support means from the previous positions thereof whereby the components may be supplied one by one from the dispenser.
For a better understanding of the present invention, and to show how the same may be put into effect, reference will now be made, by way of example, to the accompanying drawings, in which:
FIG. 1 is a top plan view of a component dispenser of apparatus in accordance with the invention;
FIG. 2 is an exploded perspective view of the dispenser of FIG. 1; and
FIGS. 3A and 3B illustrate a top plan view and a side plan view respectively of a part of a matrix of dispensers; and
FIG. 4 illustrates a motor and cam arrangement for actuating controlling and selecting means of apparatus in accordance with the invention.
Referring now to the drawings, FIGS. 1 and 2 illustrate a component dispenser 1 for supplying electronic components such as resistors, capacitors etc. to a component insertion device (not shown) for automatically inserting components into a printed circuit board.
As shown in FIGS. 1 and 2, the dispenser 1 comprises a substantially rectangular base 2 to which is mounted a first support means 3 for supporting components to be supplied to the component insertion device (not shown). The first support means 3 comprises two parallel spaced-apart walls 4 extending perpendicularly to the base 2 parallel to the length of the base 2. The top or free elongate edge of each wall 4 is serated or formed with a plurality of teeth 5 so that the troughs between the crests of the teeth 5 provide support locations 6 for the leads of components to be supplied from the dispenser. Thus the case of a two lead device, such as a resistor R or capacitor, one lead of the component will rest in the support location 6' formed by the trough between two teeth on one wall and the other lead will rest in the opposite support location 6" formed by the trough between the corresponding two teeth in the other wall 4.
The perimeter of the base 2 is surrounded by a boundary wall 2a which extends upwardly therefrom. A frame 7 is mounted to the base 2 by guide means 11 so as to fit between the boundary wall 2a of the base and the two toothed walls 4. The frame 7 is formed by two parallel elongate frame members 9' and a shorter frame member 9" extending perpendicularly of the elongate frame members so that one end 7b of the frame 7 is open. A wall 8 extends upwardly from the inner edge of each of the frame members 9. Each wall 8 is formed with a plurality of teeth 10 and lies immediately adjacent and parallel to a respective toothed wall 4.
As will be described below in more detail, the guide means 11 act to maintain the frame 7 parallel to the base 2 and also allow movement of the frame 7 relative to the base 2 in directions both perpendicularly to the base 2 and parallel to the length of the base 2. As will be described in greater detail below, such movement of the frame 7 allows compartments to be transferred from support location to support location along the first support means 3, the toothed walls 8 forming temporary or second support means during the transfer process.
The frame 7 has a boundary wall 7a extending around three edg
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Maskens Geoffrey D.
Noble Peter J. W.
Ambotech Limited
Echols P. W.
Gorski Joseph M.
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