Apparatus for loading a grid-welding machine with elongate eleme

Wireworking – Joining wire – Electric welding

Patent

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Details

226110, B21F 2300

Patent

active

051254360

DESCRIPTION:

BRIEF SUMMARY
The invention relates to an apparatus for loading a grid-welding machine with elongate elements, comprising, evenly spaced from each other and arranged transverse to the feed direction in a feed plane, means for inserting the elongate elements into feed channels mounted in the feed plane for pivotal movement transverse to the feed direction.
An apparatus for feeding a plurality of flat iron strips arranged in parallel relationship and standing on edge, into a grid-welding machine is known from Austrian Patent 348,314. To permit freely to choose the spacing between the strips, a set of distributor tubes is interposed between a set of guide tubes spaced at fixed distances from each other and the welding machine, the distributor tubes having their input ends arranged at fixed spacings equal to the spacings between the guide tubes and being pivotally mounted so that the spacing between their output ends is selectable, the distributor tubes being fixable in their selected position. In the known apparatus the distributor tubes define feed channels of predetermined unchangeable widths, and they are pivotable as an integral unit only. Because of this arrangement, the pivoting range of each distributor tube is limited by the pivoting range of its adjacent distributor tube. Furthermore, the constant width of the distributor tubes limits the closest spacing between the elongate elements.
The invention aims at providing a loading apparatus in which the number of elongate elements as well as the spacing between them are freely selectable by means of variable feed channels. The apparatus in accordance with the invention is characterized in that each feed channel is confined in a transverse direction by guide elements which are rigidly connected to the insertion member and individually pivotable transversely of the feed direction and the free ends of which may be releasably connected to the input side of downstream feed members of the welding machine, by guide means affixed to these feed members, the feed members which are movable transversely of the feed direction being adjustable to freely selectable transverse spacings and each feed member being connectable to one or more of the feed channels.
It should be mentioned that to move feed members transversely of the feed direction is known from Austrian Patent 228.028 in connection with a different kind of apparatus.
In accordance with a preferred embodiment of the invention funnel-shaped insertion members and their guide members are mounted on an axis for pivotal movement in a direction vertically of the feed plane of the elongate members.
Preferably, the guide members are made of wear-resistant strips of spring-steel. In accordance with a further embodiment of the invention the guide means are constituted by closure covers pivotable in a direction vertically of the feed plane of the elongate members.
An improved embodiment of the invention is characterized in that the feed members are supportable by a spacer turret rotatable about an axis extending transversely of the feed direction and fixable in guide grooves provided in the periphery of the turret, one of the guide grooves being such that it allows for arbitrarily selectable spacings between the feed members, whereas the remaining guide grooves are arranged along the longitudinal axis of the turret in accordance with predetermined standard spacings of the feed members.
The apparatus in accordance with the invention makes it possible to vary the position of the side walls of the feed channels relative to each other, as well as the width of the feed channels, depending upon movement and position of the guide members. In particular, the movability ranges of all feed channel side walls may be increased in conjunction with adjacent feed channel side walls, that is to say by changing the width of the respective adjacent feed channel, and may optimally be adjusted to suit different diameters and spacings of elongate elements. In accordance with the invention elongate elements may, therefore, be transferred from feed position

REFERENCES:
patent: 3830359 (1974-08-01), Fogelberg

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