Metal working – Plural diverse manufacturing apparatus including means for... – Including composite tool
Patent
1995-11-27
2000-02-15
Bryant, David P.
Metal working
Plural diverse manufacturing apparatus including means for...
Including composite tool
29 33F, 295645, 29605, B23P 2100
Patent
active
060238372
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a device for producing a coil winding from winding wire on a winding carrier with a winding head which has a wire guiding means and is movable relative to the winding carrier. The invention also relates to a method of producing an electrically conductive connection which can be carried out using this device.
Devices of the aforementioned type can be used in the production of coil arrangements in which a wire conductor is wound round the winding carrier to form a coil winding by means of a winding head and wire ends of the winding wire are connected to attachment surfaces of the winding carrier or the adjacent components. To produce the connection between the wire ends and the attachment surfaces, further means, namely a connecting means and a wire severing means are required in addition to the winding head. During the production of such a coil arrangement, it is possible to proceed such that a wire end is initially connected to an attachment surface by means of the connecting means, the actual coil winding is then formed round the winding carrier by means of the winding head and the travelling wire end of the winding wire is finally connected to a further attachment surface by the connecting means and is severed by the wire severing means. An arrangement of this type for carrying out the method outlined hereinbefore described is described in PCT-Application PCT/DE92/00928 belonging to the applicant.
The plurality of means participating in the production of such a coil arrangement results in a complex construction with the known device, correspondingly high production times resulting, in particular, from the paths to be covered by the winding head between the individual, locally fixedly installed production stations (connecting station, severing station).
The object of the present invention is to provide a generic device and a method which allow a construction which is as compact as possible and a reduction of the production times.
SUMMARY OF THE INVENTION
In the device according to the invention, the wire guiding means, the connecting means and the wire severing means are integral means of the winding head. A device of this type in effect provides a highly integrated winding head which, in addition to the actual wire guiding function, during the winding of a wire conductor onto a winding carrier, simultaneously performs the functions of connecting the wire ends to the winding carrier or another separate attachment surface carrier and the subsequent wire severing function. Owing to the combination in a constructional unit, the entire device forms a compact arrangement so the connection of the wire conductor to the attachment surface and the severing of the wire conductor can take place in one and the same relative position with respect to the attachment surface of the attachment surface carrier. Intermediate paths which are produced since the wire guiding means has to be guided from a connecting means to a severing means in devices according to the prior art are therefore unnecessary when producing the connection.
Although the device according to the invention, as mentioned above, is particularly suitable for the production of coil arrangements, that is for carrying out a winding process and for producing connections, the device according to the invention can similarly be used to advantage quite generally wherever connections are to be produced at specific points between a wire conductor and an attachment surface and the wire conductor (by the winding/connecting device according to the invention, described herein as "winding head") is to be guided in the intermediate region over a predetermined path of movement from one connecting point to another connecting point. It is not necessary to perform a winding process in each case but a substantially meandering course in a plane or any other desired wire course between two connecting points can be produced with appropriate axial control of the winding/connecting device.
In a preferred embodiment of
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AmaTech GmbH & Co. KG
Bryant David P.
Saret Larry L.
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