US686180A - Paper-winding machine. - Google Patents

Description

No. 686,|80. r Patented Nov. 5, |901. G. S. WITMAM.

PAPER WINDING MACHINE. (Application med .nm 2i, 1901.

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w sn' Patented Nov. 5, 190|. G. S. WITHAM.

PAPER WINDING MACHINE.

(Application led June 21, 1901.)

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'UNITED STATES PATENT rnicn.

GEORGE s. wirr-IAM, on MDison, MAINE.

PAPER-WINDING MACHINE.

SPECIFICATION forming part of Letters Patent VNo. 686,180, dated November 5, 1901.

Application iiled .Tune 21,1901. Serial No. 65,432. (No model.) l

4[0 all whom/ may concern:

Be it known that I, GEORGE S. WITHAM, a citizen of the United States, residing at Madison., in the county of Somerset and State of Maine, have invented certain new and useful Improvements in Paper-Winding Machines, of which the following is a specification.

My invention relates to that class of paperwinding machines in which strips of paper cut from a wide web are Wound upon a shaft o r bar to which motion is imparted by a power-driven drum of larger diameter, upon which the bar rests and which revolves in contact with that portion of the paper interposed between the bar and the drum. Machines of this general type have been quite extensively used, and their general construction is well understood. It is customary to make the winding-bars of great length, often over one hundred and fifty inches, while they are usually onlyabout three inches in diameter, and much difficulty has heretofore been experienced in winding strips or webs of paper evenly or uniformly on such bars by reason of the springing or bending of the bars between their bearings or points of support, which are often from one hundred to one hundred and forty inches apart. It has also been found difficult in such machines to prevent the paper from wrinkling just before being wound, the paper often being wound on the winding-bar with numerous wrinkles in it, which very materially impairs its usefulness.

One object of my invention is to prevent the springing or bending of the winding-bar.

Another object is to prevent the wrinkling of the paper, while a third object of my invention is to feed the paper from the slitting apparatus to the winding-bar in such man- `ner that the edges of the strips of paper shall not overlap, and hence shall be wound in separate distinct rolls.` a

Further objects of my invention are to provide improved means for raising and lowering the winding-bar, for placing the windingbarin its bearings, and for removing it therefrom, and novel devices whereby the general eiiciency of the machine is increased, while the construction is simplified.

l-Ieretofore what are known as twodrum winders and also one-drum winders have been used. In my machine I employ one ing the Winder.

drum. Usually the paper has been carried over the top-of the winding-bar and then down between the bar andthe drum. In machines operating in this Waythe pull on the bar by the paper is in the same direction as the push on the bar by the drum. It is for this reason that the winding-bar has tended to spring or bend. In my machine the paper is carried to the under side of the windingbar and comes into contact with the bar (or the paper on' the bar) and the drum in substantially the same vertical plane. Thus the pull on theshaft by the paper is opposed to the push on the shaft by the drum, the two forces counteracting or counter-balancing each other, and the shaft is maintained in a perfectly straight and even condition. In some prior machines the paper has been conveyed to the under side of the winding-bar; but in all such machines the paper has first traversed a considerable portion of the drum, for which reason the counterbalancingpull of the paper incident to my invention is not present, and, furthermore, it iswell known that in such machines the paper often wrinkles while traversing the drum before reach- In my machine the paper passes from the slitting apparatus over a spreader and directly from the spreader to the drum and the winding-bar Without first traversing any other. portion of the drum. In fact the only part of the paper in contact with the drum is that portion immediately below the winding-bar. The spreader is placed as close as possible to the winding mechanism, so that the strips of `paper into which the web is cut have no chance to overlap or to wrinkle before being wound.

By my machine a web of paper of great width-say one hundred and fty inches wide--may be slit into strips of various widths and wound evenly and uniformlyon the same bar. The bar may be easily raised andlowered and may be readily removed from and inserted into its bearings.`

In the accompanying drawings, Figure. l

shows a front elevation of my improved` paper-winding machine. Fig. 2 shows a lefthand side elevation thereof.

machine on the line 3 3`of Fig.` 2. Fig. 4 is a detail view, on an enlarged scale, showing Fig. 3 shows aV longitudinal vertical section of one end of the.

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on the side pieces A A.

` ings and the slide-blocks.

in side elevation one of the bearings for the winding-shaft and some of the parts connected therewith. section on the line 5 5 of Fig. 4. Fig. 6 is a detail View of a portion of the spreader. Fig. 7 is a view, on an enlarged scale and in vertical sect-ion, of the spreader. Fig. 8 is a perspective View of one ot' the front slide-blocks which rises and falls with the bearings of the winding-bar, and Fig. 9 shows a transverse section of one of the bearings for the winding-shaft on the line 9 9 of Fig. 5.

The main frame of the machine may be of any suitable construction. As shown, it consists of two upright side pieces A A, having flanged bases a., and connected at their upper ends by a brace-bar B. The side pieces A A may be otherwise braced, if desired, and they have forwardly-projecting portions A2 A3, upon which are mounted the bearings C for the shaft Cof the drum D. The drum D is of usual construction and may be driven in the usual way. A guard E is secured to the frame below the drum to prevent paper or other trash from finding its way beneath the drum. From the front ends of the extensions A2 rise standards F, the upper ends of which have curved seats f to receive the winding-bar just before it is inserted in its bearings. From these seatsfrails G extend rearwardly to the side pieces A A. The rails are inclined downwardly, and the windingbar may be rolled from its seat f down the rail G into its bearings.

The winding-bar II in the machine illustrated is one hundred and forty inches long and three inches in diameter. The ends of the bar are squared at h to receive a Wrench employed for giving a few revolutions to the rbar in order to start the winding of the paper thereon. After a few layers of paper are wound on the bar the remainder of the winding is performed by the drum. flhewindingbar is shouldered at h near each end, the portions of the bar from h to the opposite ends being reduced in diameter. By this means endwisemovement of the bar is prevented. 'Ihe reduced portions of the bar project through bearings I, in which the bar is free to revolve while the bearings are raised and lowered in the manner hereinafter described. The bearings for the bar are secured to guideblocks, which move vertically in guideways Figs. 4, 5, 8, and 9 illustrate clearly the construction of the bear- Each set of slideblocks consists of a rear block J, a front block K, and a central guide-block L. The guide-blocks L are arranged to move vertically in slots a in the vertical side pieces A A. The block L is secured to the'rear block J, and the front block K is secured to the central blockL in the manner illustrated in Figs. 4, 5, and 9. The block L is shaped to conform to the front of the side frame A or A', the arrangement being such, as clearly shown in the drawings, that the slide-blocks are guided Fig. 5 shows atransverse .per ends of the side frames A A.

vertically while being prevented from lateral movement. g

To each front slide-block L is secured a casting M, forming one member of a bearing for the winding-bar. This casting M is provided with a curved seat m', in which fits a curved bushing, forming one-half of the bearing for the bar. This bushing may be secured to the front slide-block L in the manner illustrated in Fig. 4. Each casting M is formed with two forwardly-projecting lugs M2, between which is arranged the downwardly` projecting arm n of the upper member N of the bearing. This upper member is provided with a curved or semicircular bushing n, which forms the upper portion of the bearing for the bar H. The arm 'n is hinged to the lugs m2 by a bolt n2, and the upper member N of the bearing is adapted to swing about the axis of the bolt. From the upper end of each casting N projects two lugs o, between which is pivoted a spring-pawl O, adapted to engage a tooth o', secured to the upper end of the casting M, the arrangement being such that when the pawl O engages the tooth o the two members of lthe bearing are securely locked together; but when the pawl is disengaged from the tooth o the bearing may be opened and the upper member N may be swung forward, as illustrated by dotted lines in Fig. 4. It will be observed that the two portions of the bearing are divided not by a horizontal division, but on an incline, the point a; at the lower front end of the bearing being a considerable distance below the horizontal plane passing through the axis of the winding-bar- By this arrangement when the bearings are lowered the points may be lowered below the top of the rails G and the bar may be rolled out of the seats f, down the rail G, and into the bearings in the members N, While the front members of the bearings are swung forward to the position indicated by dotted lines in Fig. 4. When the shaft is thus rolled into position, the members N may be raised, pushed back, and locked. By these arrangements I am enabled to handle the windingbar with great facility. The bar may be placed on the seats f by hoisting apparatus and may then be readily rolled into its bearings. I am thus enabled to save considerable time in the operation of the machine.

The upper end of each slide-block K is formed with a forwardly-projecting lug Z, to which is attached one end of a sprocket-chain P, which extends over a sprocket-wheel Q on the shaft R. This shaft extends from one end of the machine to the other and is mounted in suitable bearings r, mounted on the up- The chains P after passing over the sprocket-wheels Q extend downwardly some distance below the plane of the rails G and under the sprocketwheels S, mounted in bearings supported by the frame-pieces A A'. The chains then eX- tend upwardly and are connected by yield- IOO IIO

ing connections s to the rear slide-blocks J. The sprocket-wheels Q are keyed to the shaft R, and the arrangement is such that as the winding-bar is raised its bearings are raised, and likewise the slide-blocks J K L, the shaft R being turned as the bar rises. When the bar is lowered, the shaft R is turned in,an opposite direction.

On the right-hand end of the shaft R is attached a pulley or sheave R', to which is attached a chain R2, carrying a weight R3. The effect of these last-mentioned devices is to tend to move the shaft R in such a direction as to tend to move the winding-bar downwardly. This is for the purpose of causing a certain amount of downward pressure to be exerted for the purpose of facilitating the winding of the paper on the bar when coinmencing the operation, as the weight of tho bar in itself is not always sufficient to cause enough pressure when the winding is started. On the left-hand end of the shaft R is keyed a hand-wheel T, just inside of which is also keyed a ratchet-wheel T', and between the ratchet-wheel T and the sprocket-wheel Q is arranged a large gear-wheel T2, which is loose on the shaft R. The gear-wheel T2 carries a spring-pawl T3, which engages the ratchetwheel T. The large gear-wheel T2 engages a pinion U below it, which latter is keyed to a shaft u, mounted in suitable bearings attached to the side frame-piece A. On the inner end of this shaft is keyed a largegearwheel U, which meshes with a pinion U2 on the inner end of a shaft U3, mounted in snitable bearings u in the frame-piece A. On the outer end of the shaft U3 is secured a large hand-wheel U4, and j ust inside the handwheel a ratchet-wheel u2 is arranged and which is also secured to the shaft U3. A pawl U5, pivoted to the frame A, engages the ratchet-wheel u?. By this organization of apparatus as the paper is wound on the winding-bar the bar and its bearings rise, the chains P being correspondingly moved, and these impart a corresponding movement to the shaft R and the parts secured thereto; butno motion is imparted at this time tothe loose wheel T201` the other mechanism, geared thereto. It will `be observed by reference to Fig. 2 that when the shaft R is moved during the ascent of the winding-bar, caused by the gradually-increasing diameter of the paper thereon, the pawl T3 will merely ride over the ratchet T tooth by tooth.

By means of the hand-wheel Tthe windingbar may be quickly raised when desired; but

if the winding-bar has paper wound thereon it is preferably raised by the hand-wheel U4, and by means of this hand-wheel U4 theiwinding-bar may be lowered. Assumingthat the winding-bar has a large roll of paper wound thereon and it is desired to lift it off from the drum, the hand-wheel U4 may be turned in the direction indicated by the arrow in Fig. 2. Thiswill cause the gear-wheel T2 to move in the proper direction, and the pawl T3, engaging the ratchet-wheel 1",Awill cause the shaft R to move in the proper direction to lift the bearings of the shaft. By the form of gearing shown small power applied to the handwheel UL will raise a great weight on the winding-bar. If the winding-bar is elevated and it is desired to lower it, the pawl U5 may be thrownout of engagement with the ratchetwheel u, and a whirl may be given to the wheel U4 in the proper direction, which will, through the gearing shown, cause the shaft R to be revolved in such direction as to lower the winding-bar. It will be noted that the top ratchet allows the roll of paper to lift as it grows in size without turning the gearing; but when it becomes necessary to lift the windin g-bar for any purposethis ratchet is always in position to turn the sprocket-shaft without any attention whatever. y wheel lu2 is merely used to hold the windingbar in an elevated position while the attendant is removing it from its bearings. When the roll of paper is wound to its fnll size and is taken out of the machine, it is necessary to lower the bearings to their position for receiving the empty shaft. This is done by merely throwing out the pawl U5 of the lower ratchet and turning the hand-wheel UL in the proper direction. As before stated, a whirl may be given to the hand-wheel which will cause the bearings to run down to the proper position for receiving the new shaft. When the bearings for the winding-bar have reached their lowest position, it will not be necessary to stop the rotation of the hand-wheel in order to prevent binding or shock to any parts of the mechanism, because, as will be observed, the wheel T2 being loose on the shaft R the upper ratchet will allow the hand-wheel to continue its rotation even after the bearings have stopped their descent. In order to limit thedownward movement of the bearings for the Winding-bar, I provide adjusting-screws V. (indicated in Fig. 4.) These may be adjusted to the desired elevation to come in contact with the central guide-blocks L when the bearings are lowered. These devices will stop the downward movement of the bearings in properpostion to receive the empty winding-bar.

The web of paper to be wound comes from slittingapparatus (not shown in the draw ings) and passes by guide-rollers 'Wto a spreaderX. From this spreader the paper passes to the winding bar and drum and enters between them without first passing over the top of the bar or traversing any portion of the drum. Thedruin revolves in the direction indicated by the arrow in Fig. 2, while the shaft revolves in the direction indicated by the arrow in the same figure. The paper eX- erts a strain on the winding-bar in a direction opposed to its line of movement-that is, it tends to pull to the left, as indicated in Fig. 2-'- while the drum exerts a strain on the winding-bar in the opposite direction. These two The lower ratchet- IOO IIO

forces acting on the winding-bar counterbalance or neutralize each other, and hence there is no strain on the winding-bar which would tend to bend or spring it. The spreader X is arranged as close to the winding-bar as possible, being removed therefrom a distance merely sufticient to keep it out of the way of the maximum size of the roll of paper. It will be observed by reference to Fig. 2 that the paper moves in a downwardly-inclined direction from the spreader to the Winding mechanism. This keeps the paper o from the drum until it is directly under the winding-bar, while the paper comes in contact with the roll of paper on the winding-bar immediately over the axis of the drum at Iirst and very close-to this point, even when the roll has increased in size. When the roll has attained its largest size, the paper comes into contact with the roll a little--say an inch-to one side of the point where the paper is nipped between the bar and the drum; but this does not interfere with the operation, as the pull by the paper on the bar is still opposed by the push on the bar by the drum, andthe contact ot' the paper with the roll before entering between the drum and bar serves to lay the paper smoothly on the roll justbefore being subjected to the pressure incident to passing between the drum and bar. The winding-bar, it will be observed, is arranged directly overthe aXis of the drum and moves iu a straight vertical plane at all times. In this way the feed of the paper in between the bar and the drum is properly maintained. If the bar moved in the arc of a circle, this feed would be interfered with. This spreader is for the purpose of preventing .the strips of paper intoiwhich the web is cut from overlappingvor becoming interlocked with each other. Thisspreaderis preferablyconstructed as follows: An I-beam 0d has secured to each end a bracket x2, to which is attached a disks w3, which lies close to one of the framepieces A A. To these brackets 002 are attached bolts 0:4, which pass through curved slots :t5 in the disks w3, and also pass through holes in the frame-pieces A A'. The bolts are provided with thumb-nuts 036 on their outer ends. By these devices the inclination of the spreader may be varied, while it is firmly supported on the main frame of the machine. It will be observed by reference to Fig. 2 that the spreader may be adjusted to regulate the inclination of the paper as it passes to the winding mechanism. Nothing intervenes between the winding mechanism and the spreader, so that by varying the inclination of the spreader, as above stated, the inclination of the paper as itn enters the winding mechanism may be regulated. The spreader-bar Y extends from one side of the machine to the other, being of a length sufticient to accommodate the several strips of paper which are fed to the winding-bar. The spreader-bar is oppositely inclined in crosssection, as indicated in Fig. 7, the paper traversing the bar in contact with the edge y and a short distance on each side thereof. The under side of the spreader bar Y is formed with a longitudinal rectangular groove y', and to the under side of the bar are Secured plates Y', which overlap the under edges of the groove for a short distance at front and rear, as indicated in Fig. 7. In the groove y' are arranged a series of sliding blocks Y2, each of which is provided with a head y2, adapted to slide in the groove, and with an enlarged lower end ys, adapted to receive the upper screw-threaded end of a short shaft Y3, carrying a hand wheel Y4. The lower screw-threaded end of the shaft Ysenters a yoke Z, which is adapted to slide on the I-beam x and to be held securely in any desired position thereon by the set-screw z. Thereare a number of hand-wheels Y4 with the parts connected therewith arranged on the I-beam. They may be moved from place to place on the I-beam beneath the spreaderbar, and they are used for adjusting the spreader bar. I have found that if the spreader-bar is crowned or slightly convexed between the strips of paper that the edges of the strips are made to separate from each otherand thus are prevented from overlapping or in any way interfering with each other. In Fig. 6 it will be observed that the spreader-bar is slightly crowned or convex at z. Such crowns or convex portions may be produced at the desired points throughont the length of the spreader by a proper manipulation of the hand-wheels Yl, and the handwheels and devices connected therewith may be moved from place to place under the spreader-bar, and the crowns or conveXes may be produced at the desired points. This spreader operates very efficiently in connection with the winding mechanism, coperating therewith to cause the strips of paper to be wound on the winding-bar without being overlapped or wrinkled,while irregular winding ordinarily caused by the bending or springing of the bar is avoided by reason of the fact that the paper-passes directly from the spreader to the winding-bar in the manner before described.

I claim as my inventionl. A paper-winding machine comprising a winding-bar, a winding-drum, and a spreader placed close to the winding-'bar and from which strips of paper pass directly into contact with the drum under the Winding-bar, without rsttraversing a portion of the surface of the drum or passing over the top of the roll of paper on the bar.

2. The combination of a Winding bar mounted in bearings movable vertically in straight lines, a power-driven drum beneath the winding-bar; and a guide for the paper adjustable to change the inclination of the paper, just before it enters the windin g mechanism, said paper being guided into contact with the drum below the winding-bar, with- IOO IIO

out rst traversing a portion of the surface of the drum, or passing over the top of the windingbar.

3. The combination of th'e drum, the winding-bar, the seats therefor, the bearings for the bar, and the guide-rails extending from the seats to the bearings.

4. The combination of the drum, the winding-bar, the guide-rails, and the bearings, each comprising a lower member, the front lower edge of which is below the axis of the bar, and a cap fitting over the upper part of the bar. f

5. The combination of a winding-drum, a winding-bar,guide-rails for the bar, and bearings for the bar, each comprising a lower member, the front edge of which is below the axis of the bar, and a cap hinged to the lower member and swinging thereon to open the lower bearing to receive the bar from the rails.

6. The combination of the drum, the winding-bar, the guide-rails, and the bearings, each comprising a fixed lower member, the front lower edge of which is below the axis of the bar, and a cap hinged to the lower member and adapted to swing forwardly and downwardly below the planeof the guide-v rails.

7. The combination of the winding-drum, the winding-bar, bearings for the windingbar, and an adjustable stop for limiting the downward movement of the bearings.

8. The combination of the winding-drum, the winding-bar, bearings for the windingbar, the guide-rails, and an adjustable stop for limiting the movement of the bearings.

9. The combination of a winding-drum, a winding-bar, verticallyemovable bearings for the windingbar, powerincreasing gearing for raising the bearings and connections between this gearing and the bearings, provided with devices substantially such as described for permitting the bearings to rise without operating the power-increasin g gearing as the paper is being wound on the bar by the drum, but which automatically connects the gearing with the bearings when it is desired to raise them away from the drum.

10. The combination of a winding-drum, a winding-bar, vertically-movable bearings for the winding-bar, sprocket-gearing connected with the bearings and moved thereby as the bearings rise during the winding operation, a ratchet-wheel moving coincidentally with the sprocket-gearing, a loose gear-wheel carrying a pawl engaging the ratchet-wheel, and powerincreasing gearing geared with the loose gear-wheel.

ll. The combination of the winding-drum, the winding-bar, the bearings for the winding-bar, the sprocket-chain attached at its opposite ends to one of the bearings, the upper and lower` sprocket-wheels, the shaft to which the upper sprocket-wheel is secured, a hand-wheel and ratchet-wheel fast on this shaft, a gear-wheel loose on said shaft, a pawl carried by the gearwheel, engaging the ratchet-wheel, and power-increasing gearing connected with said loose gear-wheel.

12. Aspreader for paper-winding machines, comprising an I-beam, aspreader-bar located above it, a series of hand-wheels arranged horizontally; screws extending upwardly and downwardly from said hand-wheels, a series of slides on the I-beani with which the lower screws engage, and a series of slides on the spreader-bar, with which the upper screws engage.

Inv testimony whereof I have hereunto subscribed my name.

GEORGE S. WITHAM.

Witnesses:

CLARK GiBovEE, S. E. REINECK.

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