Automatic material extension machine

Details Automatic material extension machine Automatic material extension machine

B - Operations, Transporting

65

H

271/36

B65H 19/10 (2006.01) B65H 19/18 (2006.01) B65H 21/00 (2006.01) B65H 69/00 (2006.01)

Patent

CA 2021279

The present disclosure is related to an automatic material extension machine, and more particularly to a rotatable abutment type extension machine adapted for continuously drawing out rolled up material mounted on rolls by friction for further processing; which includes an abutment balance transmitter and an automatic end-joining device, and is mainly applied to tape, wall paper and leather substance prepared in rolls. The abutment extension transmitter has two sets of developing roller on which are disposed the rolls ready to be operated; one of the sets is identified as action set and the other is called stand-by set; the former uses driving motor to actuate two cylinders which are in abutment with the roll of material so to make the rolled-up material outwardly extended by friction. When the roll on tire action set is about to run out, the front end of the stand-by roll set is made automatically join end-to-end to the final end of the action roll set; in the meanwhile, the two sets of developing roller are forced by a motor to make an 180 degree turn for shift of position. The mechanism effecting the shift is made up of five identical gears which control respectively the external frame of the developing rollers to turn 180 degrees and constantly keep the horizontal brackets of the two sets of roller in a horizontal position so that the action set can continuously work to get the rolled-up material extended by friction. The operator can take his time in replacing the run-out roll with a new one without interruption.

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