Metal working – Plural diverse manufacturing apparatus including means for... – Binding or covering and cutting
Patent
1997-09-30
1999-08-31
Briggs, William
Metal working
Plural diverse manufacturing apparatus including means for...
Binding or covering and cutting
29759, 29830, B23P 2300, H01R 4300
Patent
active
059437529
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an arrangement for the manufacture of carriers for electronic components, composed of several insulating layers, each layer provided with a printed wire pattern made of conducting material and holes filled with conducting material for the interconnection of the printed wire patterns of different layers, comprising a table, movable in a horizontal plane, and a dispenser, for providing with a semifinished product placed on the movable table with a printed wire pattern, a layer holder, movable in a horizontal plane, and a perforator, for punching holes in a layer that is to be added, and transport means for placing the newly perforated additional layer on the semi-finished product.
2. Discussion of the Background
An arrangement of this type is known from the Dutch patent application Nr. 9000148. The drawback of this prior art arrangement is that it performs the different operations side by side, as a consequence of which the dimensions of the arrangement are relatively large. This renders the arrangement expensive and it adversely affects the accuracy and speed with which a carrier can be produced.
SUMMARY OF THE INVENTION
The arrangement according to the invention does not have this drawback, and is characterized in that the dispenser and the perforator are positioned one over the other, enabling the different operations to be performed over one another. A particular effect is that alignment errors between the dispenser and the perforator are at least substantially nonexistent. In order to at least substantially preclude any alignment errors between the table and the holder, too, the table and the layer holder, according to a favourable embodiment of the invention, are also positioned one over the other, such that the dispenser and the perforator perform their operations at least substantially simultaneously on the semifinished product and the layer to be added respectively, the alignment being continuously ensured owing to the favourable disposition of the dispenser, the perforator, the table and the holder.
A further favourable embodiment of the invention is characterized in that the table and the layer holder effectively form one whole and the layer holder comprises supporting means fitted to the underside of the table, for seizing a layer on at least two opposing edges. The layer hangs then in fact on the two opposing edges, enabling the perforator to work on the layer at two sides from a free edge.
A still further favourable embodiment of the invention is characterized in that the supporting means comprises a system of suction apertures, which systems acts on the upper side of the layer.
A still further favourable embodiment, which is technically simple to implement and which ensures a good reproducibility, is characterized in that the table and layer holder combination is movably positioned in a first direction, and the dispenser and perforator combination in a second direction, perpendicular to the first direction.
In a still further favourable embodiment the perforator comprises a baseplate supporting the layer to be processed, provided with a piercing punch penetrating the baseplate and a die opening located above the layer to be processed. To prevent scrap punched from the insulating material from contaminating the layer to be processed, the die opening is provided, in a favourable embodiment, with clearing means, such as a suction arrangement.
Since in view of the required tolerances manual transporting of a perforated layer is indavisable, the transport means comprise, according to a further inventive embodiment, a feed-out table positioned next to the dispenser in the first direction, for taking over a perforated layer from the layer holder. The feed-out table is preferably a push-up table, which is pressed against the perforated layer suspended from the layer holder and positioned above the push-up table, whereupon the layer holder releases the layer. As shifting of the perforated layer on the feed-out ta
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Briggs William
Ceraprint
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