US3577719A - Method and apparatus for loading bobbins or reels into and out of cradles or mountings - Google Patents

Method and apparatus for loading bobbins or reels into and out of cradles or mountings Download PDF

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Publication number
US3577719A
US3577719A US802096A US3577719DA US3577719A US 3577719 A US3577719 A US 3577719A US 802096 A US802096 A US 802096A US 3577719D A US3577719D A US 3577719DA US 3577719 A US3577719 A US 3577719A
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United States
Prior art keywords
spools
conveyor
spool
full
supports
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Expired - Lifetime
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US802096A
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English (en)
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Mario Martinez
Colin Monday
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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/16—Auxiliary apparatus

Definitions

  • the invention comprises a method and apparatus for loading and unloading spools into and out of pintles of a machine having a plurality of spools and the method comprises the steps of loading full spools to be mounted in the supports onto a conveyor, conveying said full spools below said spool supports and locating each spool in a vertical plane displaced to one side of a vertical plane containing the respec-,
  • This invention relates to a method and apparatus for loading and unloading spools, bobbins or reels into and out of pintles or mountings of a machine or apparatus having a plurality of spools, bobbins or reels.
  • a machine may comprise a wirestranding machine in which each strand is drawn from a spool, bobbin or reel and twisted with a plurality of other strands into a rope or cable.
  • Cable and rope making stranding machines usually have a large number of spools, bobbins or reels which have to be replaced with full ones when those on the machine become empty. Some machines may include 50 or more spools, bobbins or reels and the time delay in removing the empty spools, bobbins or reels and replacing them with full ones is enormous, resulting in large delays in production. Stranding machines are being developed so as to operate at increased speeds in order to speed up production but they are still subject to long interruptions in operation due to the time spent in changing the spools, bobbins or reels which are usually replaced one at a time with the use of overhead lifting tackle.
  • An object of the present invention is to provide a method 1 and apparatus for loading and unloading spools, bobbins or reels into and out of pintles or mountings in a rapid manner.
  • a method of loading and unloading spools, bobbins or reels into and out of pintles or mountings of a machine or apparatus having a plurality of pintles or mountings comprising the steps of loading spools, bobbins or reels to be mounted in the pintles or mountings onto a conveyor, conveying said spools, bobbins or reels below said pintles or mountings and locating each spool, bobbin or reel in avertical plane displaced to one side of a vertical plane containing the respective axis of the pintle or mounting, lowering any spools, bobbins or reels from the pintles or mountings onto the conveyor, operating the conveyor to position each spool, bobbin or reel to be loaded in the vertical plane containing the respective axis of the pintle or mounting, raising each spool, bobbin or reel to be loaded into the respective pintle or mounting and then operating the conveyor to convey
  • Further spools, bobbins or reels may be moved by the conveyor into said vertical planes displaced from vertical planes containing the axes of the pintles or mountings during the movement of the conveyor conveying the unloaded spools, bobbins or reels away from the machine or apparatus.
  • the spools, bobbins or reels unloaded from the pintles or mountings may fall by gravity on to the conveyor or they may be lowered on to the conveyor.
  • the method may include the step of automatically releasing the spools, bobbins or reels from the pintles or mountings.
  • apparatus for carrying out the method recited above comprising a conveyor disposed in the vertical plane of the axis of each pintle or mounting for raising spools, bobbins or reels from the conveyor into the pintles or mountings.
  • said means is also used for lowering bobbins or reels from the pintles or mountings onto the conveyor.
  • the conveyor may comprise a pair of spaced-apart, parallel endless chains or belts interconnected by longitudinally spaced-apart rods or rails.
  • the means for lifting and lowering the spools, bobbins or reels may be arranged to extend upwardly between the rods or rails of the conveyor when it is stationary.
  • the means for lifting and lowering the spools, bobbins or reels may comprise a hydraulically or pneumatically operated ram or jack having means to engage the spools, bobbins or reels.
  • the pintles or mountings may be in the form of hydraulically or pneumatically withdrawable pintles for mounting the spools, bobbins or reels.
  • FIG. I there is shown part of a stranding machine 10 of the type disclosed and claimed in my copending US. Pat. application Ser. No. 748,693, filed July 30,. 1968 which includes a plurality of cradles I1 suspended between bearing support structures 12 provided on stands (not shown) and between which extend wire guides 13 which rotate about the longitudinal axis of the machine 10 and are driven from each structure 12.
  • Each cradle 11 supports a spool 14 which rotates about pintles 15.
  • the pintles 15 may be of the kind shown in FIG. 2 and described hereafter.
  • an endless conveyor 16 which comprises two parallel spaced-apart chains or belts l7 interconnected by longitudinally spaced-apart rods 18 whose spacing is chosen to suit the diameter of the spools 14.
  • the conveyor 16 is passed over rollers or sprockets l9 and 20, one of which is preferably a drive roller or sprocket.
  • the conveyor 16 is tensioned by means of sprockets or rollers 21.
  • Each lifting device 22 Located in the vertical plane of the axis of the pintles 15 of each cradle 11 is a lifting device 22 which is disposed below the lower run of the conveyor 16.
  • Each lifting device 22 may comprise a vertically extendable hydraulically or pneumatically operated ram or screw-type jack having a support member 23 adapted to contact the spools 14.
  • the support member 23 is shown more clearly in FIGS. 3 and 4 and described in greater detail hereafter.
  • the pintles 15 each comprise a piston 24 displaceable in a cylinder 25 against the action of a spring 26.
  • Each cylinder 25 is connected to a conduit 27 for supplying pressurized pneumatic or hydraulic fluid thereto in order to move the piston 24 against the force of the spring 26 in order to disengage the pintles 15 from the spool 14.
  • the apparatus so far described with reference to FIGS. 1 and 2 operates in the following manner. Whilst the stranding machine 10 is operating, full spools of wire 14a are loaded onto the conveyor 16 and are supported at predetermined distances apart by the rods 18. The spools 14a are then moved by the conveyor 16 to the position shown in FIG. 1 in which each spool 14a is disposed in a vertical plane displaced to one side of a vertical plane containing the axis of the pintles 15 in which it is to be mounted.
  • the stranding machine 10 is stopped and hydraulic or pneumatic fluid pressure is admitted to the conduits 27 in order to displace the pintles 15 allowing each spool 14 to drop onto the upper run of the conveyor 16.
  • the spools 14 may be removed by first of all raising the lifting devices 22; then retracting the pintles 15 so that the spools 14 rest on the support members 23 and then lowering them onto the conveyor 16 by lowering the devices 22.
  • the spools 14 When the spools 14 are on the conveyor 16 it is operated so as to move the spools 14a into the vertical planes containing the axes of the pintles 15.
  • the lifting devices 22 are then raised so as to lift the spools 14a between the pintles 15 of the respective cradles 11 and when in position the hydraulic or pneumatic pressure is vented from the conduits 27 and the springs 26 engage the pintles 15 with the spools 14a.
  • the lifting devices 22 are lowered and the conveyor 16 is operated to remove the spools 14 from below the machine 10. During the movement of the conveyor 16 to remove the spools 14 it may bring freshly loaded spools into the position previously occupie by the spools 14a.
  • All of the pneumatic or hydraulically actuated parts of the apparatus may be connected to a control circuit so as to produce an automatic-timed operation of the whole apparatus.
  • the support members 23 are shown more clearly in FIGS. 3 and 4 and each comprise a pair of spaced-apart plates 29 having vertical end portions 30. Extending between the end portions 30 of each plate is a rod 31 on which are mounted rollers 32 which have an integral flange 33. The plates 29 are interconnected by a plate 34 which is attached to the rod of the lifting device 22. In use, the rollers 32 contact the peripheries of the flanges of the spools and the flange 33 of each roller 32 serves to prevent the spools moving sideways.
  • Other modes of applying the principle of the invention may be employed, change being made as regards the details described, provided the features stated in any of the following claims, or the equivalent of such, be employed.
  • a method of loading and unloading spools into and out of spool supports of an apparatus having a plurality of spool supports comprising the steps of loading all of the full spools to be mounted in the supports onto a conveyor, conveying said full spools below said spool supports and locating each spool in a vertical plane displaced to one side of a vertical plane containing the respective axis of the spool support, lowering empty spools from the spool supports onto the conveyor, operating the conveyor to position each full spool to be loaded in the vertical plane containing the respective axis of the spool support, raising each full spool to be loaded into the respective spool support; and operating the conveyor to convey unloaded empty spools thereon away from the apparatus.
  • Apparatus for loading and unloading spools into and out of spool supports of an apparatus having a plurality of spool supports comprising a conveyor disposed below said spool supports of the apparatus and means disposed in the vertical plane of the axis of each spool support for raising spools from the conveyor into the spool supports.
  • the means for raising the spools comprise a ram device having at oneend a support member formed by a air of spaced-apart parallel plates, each plate having upstan mg end wall portions, a transverse plate interconnecting the spaced-apart parallel plates, said transverse plate being secured to a piston rod of the ram device, a rod extending between the end wall portions of each spaced-apart plate and flanged rollers being mounted on each rod and adapted to contact the flanges of a spool.
  • Apparatus as claimed in claim 5 in which the spool supports comprise fluid-withdrawable pintles for mounting the spools.
  • an apparatus having a plurality of spool supports for supporting spools and a loading and unloading apparatus disposed below said spool supports for loading full spools into said spool supports and for unloading empty spools from said spool supports
  • said loading and unloading apparatus comprising an endless conveyor disposed below said spool supports for moving full spools to a position in which they are each located in a vertical plane displaced to one side of a vertical plane containing the axis of the spool support in which they are to be mounted, means for lowering empty spools from said spool supports onto said conveyor, means disposed in the vertical plane containing the axis of each spool support for raising full spools from the conveyor and into the spool supports and means for driving said conveyor.
  • a wire-stranding machine having a plurality of cradles, each cradle having pintles for supporting a spool of wire to be stranded with wires from the other spools, and a loading and unloading apparatus disposed below said cradles for loading full spools into the pintles of the cradles and for unloading empty spools from the pintles of the cradles
  • said loading and unloading apparatus comprising an endless conveyor formed by a pair of spaced-apart parallel endless members interconnected by longitudinally spaced-apart rods, said endless members at each end passing around sprockets, means for driving said sprockets to move full spools carried on said conveyor to a position in which they are each located in a vertical plane displaced to one side of a vertical plane containing the axis of the pintles in which they are to be mounted, a fluid-operated ram being disposed in the vertical plane containing the axis of each

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  • Ropes Or Cables (AREA)
US802096A 1968-03-12 1969-02-25 Method and apparatus for loading bobbins or reels into and out of cradles or mountings Expired - Lifetime US3577719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB01977/68A GB1201440A (en) 1968-03-12 1968-03-12 Method and apparatus for loading and unloading spools, bobbins or reels into and out of a machine or apparatus

Publications (1)

Publication Number Publication Date
US3577719A true US3577719A (en) 1971-05-04

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US802096A Expired - Lifetime US3577719A (en) 1968-03-12 1969-02-25 Method and apparatus for loading bobbins or reels into and out of cradles or mountings

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US (1) US3577719A (enExample)
CH (1) CH504580A (enExample)
DE (1) DE1911971A1 (enExample)
FR (1) FR2003718A1 (enExample)
GB (1) GB1201440A (enExample)
SE (1) SE352388B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3102368A1 (de) * 1981-01-24 1982-09-02 Fried. Krupp Gmbh, 4300 Essen "einrichtung zum auswechseln von ablaufspulen fuer verseilmaschinen"
DE3500949A1 (de) * 1985-01-14 1986-07-17 Maschinenfabrik Niehoff Kg, 8540 Schwabach Verfahren und vorrichtung zum herstellen von verlitztem stranggut mit hilfe einer doppelschlagverlitzmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123967A (en) * 1960-07-13 1964-03-10 Bobbin handling method and apparatus
US3374810A (en) * 1964-06-11 1968-03-26 Fabrications Soc Et Manufacture of telephone quads
US3398519A (en) * 1966-09-29 1968-08-27 Zinser Textilmaschinen Gmbh Transporting apparatus for the tube changer of a textile machine
US3429115A (en) * 1967-10-12 1969-02-25 Bridge & Co Ltd David Machine for making cables or ropes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123967A (en) * 1960-07-13 1964-03-10 Bobbin handling method and apparatus
US3374810A (en) * 1964-06-11 1968-03-26 Fabrications Soc Et Manufacture of telephone quads
US3398519A (en) * 1966-09-29 1968-08-27 Zinser Textilmaschinen Gmbh Transporting apparatus for the tube changer of a textile machine
US3429115A (en) * 1967-10-12 1969-02-25 Bridge & Co Ltd David Machine for making cables or ropes

Also Published As

Publication number Publication date
GB1201440A (en) 1970-08-05
DE1911971A1 (de) 1969-12-11
FR2003718A1 (enExample) 1969-11-14
CH504580A (de) 1971-03-15
SE352388B (enExample) 1972-12-27

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