Transfer line with processing stations

Details Transfer line with processing stations Transfer line with processing stations

1998-08-18

2000-08-08

Echols, P. W.

Metal working

Plural diverse manufacturing apparatus including means for...

Separate tool stations for selective or successive operation...

295641, 295642, 29563, B23P 2300

Patent

active

060982691

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The invention relates to a transfer line for machine tools for mechanical, metal removing processing of work pieces at processing stations with devices for conveying work pieces along the central bases, lateral bases set up along the sides of the central bases on which the processing units are mounted so as to be capable of displacement and supply devices for the processing stations.


BACKGROUND OF THE INVENTION

Known from the German registered utility model G 92 08 735.3 U1 is a generic transfer line where processing stations for processing of work pieces moved in the transfer line are arranged laterally of the transfer line and where supply lines for the processing stations are laid in parallel to the transfer line at the sides underneath and/or above the lateral units. These known transfer lines dispose of their own supply lines and also of their own plates each located outside to serve the processing stations positioned at both sides of the transfer line. In order to get access from outside between the processing stations straight through to the table with the transport device for the work pieces, one has to pass through under and/or over the supply units which run in the direction of transportation. The structure either involves a very tall construction height or a narrowed passage and thus it leads to a worse accessibility to the processing stations and to the transfer line. Moreover, if plates are mounted outside at the sides, long fluid lines to the consumers of the processing stations are needed, particularly to the pneumatic tool tension jacks.
EP 0496 995 B 1 describes an assembly device for parts in a pallet conveyor belt, where assembly units are arranged laterally of the conveyor belt which can be moved to the conveyor belt transversely of the pallet transfer direction and where compressed-air and air suction mains as well as the feeder cable for supply of electric power to the assembly unit are arranged underneath of the conveyor belt. Each assembly unit can be engaged and coupled to the supply units if it is in a forward moved position. The type of connection is not described more closely therein.


SUMMARY AND OBJECTS OF THE INVENTION

It is the primary object of the invention to provide a generic transfer line that allows for a quick and simple connection of the individual processing stations with the supply units.
According to the invention, a transfer line for machine tools for mechanical, metal removing processing of work pieces is provided with processing machines with a transport track with devices for conveying work pieces along a central bases. Lateral bases are set up along the sides of the central bases on which the processing units are mounted so as to be capable of displacement. Supply devices are provided for processing stations including the processing units. A plate with a control block is mounted in an immediate vicinity to the transport track of the work pieces. The control block is connected on the one hand through valve tubes with a distribution block and/or directly with the fluid mains for hydraulics, lubrication, pneumatics or similar and on the other hand with the consumers of the processing station. The control block is arranged at the underside of the plate. The plate is wholly or partly shaped as a cover for the central tunnel surrounding the transport track of the work piece. One or more clamping cylinder(s) for the work pieces is/are affixed to the plate.
Here, the plate with the pertaining control block is so arranged that short connection lines to the processing units are made possible and that sufficient accessibility from outside and service congeniality are given even if the construction style is a very compact one.
One distribution block each with the relevant lockable connections can be installed as a component unit into the fluid mains for each processing station. Consequently, pre-assembled distribution blocks, if required with the pertaining valve tubes, can be installed locally within the shortest possible time and/or be exch

REFERENCES:
patent: 2668557 (1954-02-01), Hoelscher
patent: 3934700 (1976-01-01), Schubert et al.
patent: 5163222 (1992-11-01), Imlig et al.

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