Improvements in and connected with Apparatus or Means for Opening-out, Guiding, Straightening, or Governing the Passage of Fabric to Stenter or other Machines for Dealing with or Treating Fabrics.

摘要

6462. Wood, A. March 17. Feeding-apparatus, stretching, tentering, &c.- Relates to detail improvements in the apparatus described in Specification No. 14,355, A.D. 1901, for opening out, guiding and governing, delivering, and controlling the passage of woven fabrics to cloth stretching and treating machines &c. In feeding to a stenter, or to a swissing-frame, the cloth from the lap, or a wagon, or the batching - beam, passes over and round guiding - rollers a n d a skeleton drum or cage, each being g preferably made in two parts, and then over skeleton compensating-cages q, Fig. 1, carried on arms q1 adjusted in inclination by set-screws q3. The brackets q2 of the arms q1 allow the cage to be radially adjusted round the swinging arm r, yieldably connected by, a rod s and a bracket t1 and spring s' to a bracket h on the stenter frame. The cages q are arranged with their smaller ends somewhat forward, and they belly the cloth. The yielding connection s, s1, &c. is used to compensate for slack or tight selvages on either side of the cloth. The cloth next passes to a single set, or two pairs of electrically - governed rollers described below, by which the cloth is guided to its correct position, as described in the former Specification. To keep the cloth in its correct course, it is now passed between pairs of rollers e, the upper metal &c. roller d which is serrated and weighted, having an axle which is hinged &c. to a bracket f to facilitate the introduction of the cloth. The brackets f swivel on a rounded projection of an adjustable bracket g, and may be bolted thereto. The bracket g is secured to a main bracket h, bolted to the stenter end. The cloth is further guided and delivered to the stenter clips by a second pair of somewhat similar rollers i, j, the lower roller i preferably, hut not necessarily, fitting through a slot or gap in a plate k, Fig. 9. In the electrically-controlled rollers a, b, Fig. 6, the armature a3 of the electromagnet a6 is mounted directly on the hinged arm a4 carrying the movable roller, and not on a link thereon as before. A spring raises the upper roller out of action. The plate a8, at the part on which the usual finger, normally held away by the fabric, falls when the fabric is absent, thus completing a circuit as described below and actuating the guiding-mechanism, is cut away somewhat forming a slot. Contact occurs between the finger and the sides of the slot, through which foreign matter on the finger, which otherwise might prevent contact, falls. The fingers are pinned &c. on rods a12 mounted on jawed brackets a13. The rods a12 carry or are secured to arms a14, which, when the finger falls, press on flat springs a15 and complete a circuit. The electromagnet a6 is then energized, the armature a3 is attracted, the roller a is brought into action, and the cloth is stretched and guided into its normal position. The rollers a, b, plate a8, fingers, arms, &c. are carried on one radially-adjustable bracket a18 clamped by a bolt and carried on a bracket l secured or adjusted on a wooden support m, adjustable transversely on a bracket secured to the bracket h. When feeding the cloth to the rollers a, b, &c. in a straight-running stenter, the cloth is passed over two cages made of spaced bars somewhat similar to the cages q but having cylindrical ends. The cages or the rollers may be mounted on ball bearings. In a modification, a plate, Fig. 15, corresponding with the plate k, Fig. 9, is made in one with the cam plate on either side, and is slotted at k1x for the rollers i,j. The stenter clips are disengaged by a shaped raised edge k' and the plate k has a side slot k3 to allow the clips to take hold of the fabric. In another modification, instead of lifting the upper roller, the lower roller is allowed to fall out of action by. its weight or by a spring, when the armature is released. The cages q used in feeding to swinging stenters may, if desired, be adjustably mounted on swivel arms carried by a standard or support, the swivel arms being connected to the stenter ends through spring connections. Loose rollers mounted on hinged arms may be used to bear on the cloth after leaving the batching-beam.