Chain – staple – and horseshoe making – Horseshoe making – Dies and tools
Patent
1996-10-11
1998-07-21
Stryjewski, William
Chain, staple, and horseshoe making
Horseshoe making
Dies and tools
57 93, 57 98, 57100, 57 665, 57 5852, 57 5865, 57 5867, 57314, D01H 746, D01H 792
Patent
active
057820759
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention concerns an apparatus for the production of stranded copper wire and the like. Further the invention is in regard to a procedure for the control of an apparatus for the production of stranded wire and the like.
BACKGROUND OF THE INVENTION
For the manufacture of flexible, electrical conductors, such as find application in all branches of industry, normally copper wires of relatively small diameter are worked into a strand, which is then covered with an electrical insulating material. The production of this stranded wire is done generally in a double stroke stranding machine. The invention will on this account be described in relation to a double stroke stranding machine. However, notice is given that the application of the invention is not limited solely to a double stroke stranding machine, but finds application with other, similarly operating stranding and cable machines. In addition, the invention is also employed to work materials which are not copper into a flexible stranded or similar stranded object.
An apparatus for the production of stranded wire in accord with the generic preamble portion of the independent apparatus claim 1 has been made known by the DE 35 00 949 C2. In the case of this arrangement, which is designed as a double stroke stranding machine, is found a rotor with two yokes, which is so swivelably mounted, that it is able to rotate itself about a horizontal axis. The rotor is driven by a motor. Within the rotor a spool carrier is mounted, on which a spool is turnably set. This spool is put into rotation by a second motor, which is placed outside of the rotor. The turning power of the motor is transmitted to the spool by a gear drive. The finished stranded wire is wound on this spool. For the removal of the spool, a displacement apparatus is employed, which possesses a threaded spindle, which is installed parallel to the rotating axis of the spool. A transfer mechanism, normally a transfer element directs the finished stranded wire on to the spool and as it does so, runs back and forth parallel to the spool axis so that the stranded wire is wound evenly on the spool. The drive of the transfer apparatus is kinematically coupled firmly with the rotating movement of the spool, so that a given RPM of the spool calls forth a corresponding linear displacement of the transfer element.
From EP 0 563 905 A1, an additional arrangement for the making of stranded wire is made known, wherein inside the rotor, a winding spool is employed, the rotating axis of which is installed transverse to that of the rotor. Even in this case a transfer apparatus is provided which is kinematically coupled with the rotary movement of the winding spool.
Although these conventional apparatuses operate very satisfactorily, the problem frequently arises, that the end product, which is comprised of the spool and the stranded wire wound thereon does not sufficiently meet the demands of subsequent handling.
Further, there is another problem in that it is difficult to bring a specified length of stranded wire onto the spool. This is especially a disadvantage, since the stranded wire is often reworked along with other stranded wire and this subsequent treatment must be interrupted when the spool, which has the shortest stranded wire is fully unwound. The residual length of stranded wire on the other spool must then be wound off and disposed of as waste material.
SUMMARY OF THE INVENTION
Thus, it is the purpose of the present invention to create an apparatus for and to provide a process for the making of stranded wire which improves the possibility of subsequent operations thereon.
This purpose will be achieved in accord with the invention by means of the substance of the claims.
Preferred extensions and improvements of the invention are subjects of the subordinate claims.
The invention proposes to provide the transfer apparatus with a separate drive mechanism, which will supplant the customary kinematic coupling between the rotary movement and the spool as well as the tran
REFERENCES:
patent: 3053039 (1962-09-01), Demmel
patent: 4446688 (1984-05-01), Ueda
patent: 4628676 (1986-12-01), Lepach et al.
patent: 5209414 (1993-05-01), Clemens et al.
patent: 5557914 (1996-09-01), Maccaferri
Maschinenfabrik Niehoff GmbH & Co. KG
Rauchfuss, Jr. George W.
Stryjewski William
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