US1608152A

US1608152A - Cutting machine

Info

Publication number: US1608152A
Application number: US81108A
Authority: US
Inventors: Bruce D Woolley
Original assignee: Individual
Current assignee: Individual
Priority date: 1926-01-13
Filing date: 1926-01-13
Publication date: 1926-11-23
Anticipated expiration: 1943-11-23

Description

man 23 1926. 1,608,152

a. D. WOOLLEY CUTTING MACHINE Filed'J'an. 13, 1926 2 Sheets-Sheet 1 IN VEN TOR.

WZW

A TTORNEY Nov. 23 1926. 1,608,152

a. D. WOOLLEY CUTTING MACHINE Filed Jan. 13, 1926 2 Sheets-Sheet 2 I N VEN TOR.

WW g w ATTORNEX Patented Nov. 23, 1926.

UNITED STATES BRUCE D. WOOLLEY, OF JOHNSTOWN, OHIO.

CUTTING MACHINE.

Application filed January 13. [926.

My invention relates to a cutting machine and, more particularly, to automatic mechanism for cutting and winding a connected series of sanitary toilet or commode seat covers from a continuous ribbon of paper or other suitable material.

The primary object of my invention is the provision of a machine for rapidly cutting and winding seat covers which are connected by perforated portions to facilitate detachment of individual covers.

A further object of my invention is to provide means for removing the waste or unused portions of material from the formed covers before they are wound into a compact roll for subsequent use.

A still further object of my invention is the provision of means for protecting the cutting edges of the forming dies by maintaining them in proper relation to the bed cylinder against which they operate.

Other, important features of my invention reside in the means provided for smoothing out and tensioning the ribbon of material as it advances toward the cutting mechanism; the means provided for drawing the ribbon of material through the cutting mechanism; the means provided for preventing wrinkling or damaging of the formed covers after removal of the waste or unused portions of material and the means provided for winding the completed covers into a compact roll. i

The various features of my invention are illustrated in the accompanying drawings wherein similar reference numerals designate corresponding parts in the different figures, and wherein Figure 1 is a perspective view with parts broken away showing my novel cutting machine and the relation of its various parts;

Figure 2 is a fragmentary rear elevation oft-he cutting andhed cylindersz .Figure 3 is a side elevation of the cutting machine shown in Figure 1 and showing in dotted lines the material as arranged in the machine during operation;

. .Figure 4 is an end elevation of the slip collan'employed Q the winding spindle;

Figure 5 is a fragmentary plan view showing the ribbon of material 'and the mannerin which the connected covers are formed and the unused portions of material removed; and

Serial No. 81,108.

Figure 6 is a fragmentary plan view showing the driving connections and details of the outer scrap removing devices.

In the drawings, one illustrative embodiment of my invention is shown as comprising a frame 1 supported upon legs 2 which may be provided with brackets 3 having bearing portions 4 for supporting a shaft 5 which, in turn, carries a roll of paper or other suit-able material 6 from which the covers are formed. Any material in sheet form may be employed with my cutting machine and I therefore do not desire to limit its application to the cutting of paper.

Rollers or

idlers

7, 8 and 9 may be pro- Vided for smoothing out and properly tensioningthe ribbon of material 10 which is unreeled from the roll 6 and advanced betweenv the-bed cylinder 11 and the cooperating cutting cylinder 12, as shown in Fig ure 3 and more fully described hereinafter The idlers 7 and 8 may be provided with trunnions 13 which may be suitably journaled in bearings formed in the plates 14, and the idler 9 may be similarly constructed but is preferably -journaled in slot bearings 15 to facilitate threading of the machine and permit the passes between the

rollers

7, 8 and 9 to change responsively to any irregularities in the material, .which the idlers will obviously tend to correct as the material advances 'oi-ubly'journaled in bearings 19, as shown in F igure 1. Adjacent one end the shaft 18 may e provided a gear 20 which meshes with a similar gear 21 mounted upon a power shaft22 which furnishes power for operating the cutting, stripping and winding apparatus, as more particularly described hereinafte Knives or dies 23 and 24 may be remov- -ablyiiati ched to the face of the cutting cylinder 12 and are designed to form the exterior periphery 25 and the interior periphery 26 of the commode seat covers 27 shown in Figure 5. A transverse cutting knife or die 28 may extend between the outer forming dies 23 at their points of closest proximity. and is preferably provided with a notched or irregular cutting edge 29 to form transverse perforated portions 30 between adjacent covers 27 to facilitate detachment or separation of such covers. The inner cutting die 24 may be provided with extending cutting portions 31 and a transverse cutter 32 to form the flap member 33 of the covers 27 which is intended to ex tend into the opening of a toilet seat when the covers are being used.

Adjacent. its opposite ends the cutting cylinder 12 may be provided with circumferential flanges 34 for properly spacing the bed cylimler 11 from the cutting edges of the dies on the cutting cylinder 12, which should be only close enough to the bed cylinder 11 to properly cut the material without damaging the dies. The cutting cylinder 12 may also carry bands 35 of rubber or other suitable material for frictlonally engaging the material and drawing it from roll 6, between

rollers

7, 8 and 9 and through the cuttin mechanism.

Positioned above-the bands 35 and; attached to the frame 1 by means of extensions 36 may be provided the straps 37 which extend between the cutting cylinder 12 and the bed cylinder 11 as shown in Figure 3, and on the opposite side of the cutting cylinder 12 they extend downwardly and may be an chored to the tensioning devices 38 to main tain them in contact with the bands 35. The straps 37 function to hold the material against the bands 35 and to thereby assist these bands in drawing the material between the cutting cylinder 12 and the bed cylinder 11. These straps 37 also guide the edge strips of unused material 39 downwardly to assist in detaching them from the formed covers, as shown in Figures 2, 3 and 5. This strap 37 in association with other parts to be described, con titutes the means for removing the unused edge strips 39 from the covers 27 along the previously cut exterior periphery 25.

The members 40. which may be secured to the frame1 as at 41, extend between the bed cylinder 11 and the cutting cylinder 12 and abut against the outer cutting dies 23' as shown in Figure 2. On the opposite side of the cutting mechanism the members 40 preferably extend upwardly above the lower face of the bed cylinder 11, as shown in Figure 3, and when the formed covers emerge from between the cutting cylinder 12 and the bed cylinder 11 the members 40 exert an upward pressure approximately on the line of cutting of the outer die 23... .It will be obviousthat the member 40 operates as a straight edge. and in combination with the strap 37 is effective to. tear any uncut fibers of material and completely remove the outer unused portion of material 39. The members 40 are resilient and, therefore, move back and forth laterally according to the movement of the outer cutting dies 23' and so are always positioned substantially under the cuts made by these dies and always in operative relation to the cuts in the material.

The mechanism for removing the inner unused portion of material 42 comprises a cylinder 43 which may be journaled in bearings 44 and is preferably formed with a shoe 45, which may be substantially the same shape as the inner unused portion of material 42. The shoe 45 may contact with a roller 46 which is preferably lagged with rubber or some other suitable material and carried by a shaft 47 which may extend through one side of the frame 1. The shaft 47 which carries roller 46, at one end is equipped with a gear 48 which meshes with a similar gear 4!) carried by the shaft 50 upon which roller 43 is mounted.

The ratio between gears 48 and 49 is preferably such that the roller 46 operates at a faster speed than the shoe 45 so that when the shoe 45 presses the end of unused portion 42, which is adjacent the flap 33, downwardly in contact with roller 46 it will be effective to jerk or pull the portion 42 from the inner periphery 26 of the covers 27, as shown in Figure 3. Both

rollers

46 and 43 are driven from shaft 18 by means of a chain or the like 51 and suitable sprockets 52. and the peripherai speed of shoe 45 on roller 43 is pret'e. biy the same as the peripheral speed i es of the cutting dies on cutting c Due to the factthat the inner curvin ii e do not completely sever the inner nun portions of material from the covers these portions are still in place when the material leaves the cutting mechanism and until removed by the shoe 45 and roller 46. The rubber lagged. roll -16 frictionally engages the inner scrap 42 when it is depres ed by shoe 45, and because of the fact that it revolves rather faster than the formed covers 27 travel, it operates to jerk or pull the inner scrap 42 from the formed covers 27' along the lines previously cut by the inner cutting dies on the cutting cylinder 12. The

rollers

43 and 46 are preferably so spaced fromthe cutting and bed cylinders that the shoe 45 depresses the end of unused portion 42' against roller "16 just as the last of the-cutting along 26 is done by the cutting dies. The shoe '45 may be arranged to depress the unused portion of material 42st any time after it is cut butthe cutting by the inner dies is preferably completed before the unused 'portion 42 contacts with roller The formed covers 27 after the inner and outer unusediportions of material 42 and 39 to the frame 1 as at 53 and the other end of which rests upon the surface of the covers being wound upon the tube or core 54, which may be mounted on winding spindle 55.

The vpurpose of guard is to smooth out the formed covers and prevent them from wrinkling after the scrap portions have been removed as heretofore described. The guard 52 also rests upon the roll of covers being wound and so presses them into place on the roll and produces a compact roll of covers which may be removed from the winding spindle 55 when the roll is of proper size.

The winding spindle 55 may be revolubly supported by a bearing 56 and driven from shaft 18 by means of the chain 5l and a suitable sprocket 58, which at all times maintains the peripheral speed of the spindle 55 and tube or core 5i above the rate of travel of the formed covers. This arrangement keeps the formed covers taut and produces a compact roll upon the tube or core 54 which may be held upon the spindle 55 by means of a slip collar 59 mounted for frictionally opposed rotation on spindle The collar 59 fits within the tube or core 5%, which may be formed with a roughened surface 60 for retaining the tube or core 54. This prevents tearing or separation of the formed covers by permitting some slippage, and the frictional engagement between spindle 55 and collar is sufiicient to revolve the collar 59 and core 54 to wind the covers. In other words, the tube or core 54 is held upon collar 59 which slips on the spindle 55 as may be necessary to prevent tearing or separation of the formed covers.

It is believed that the operation of my novel cutting machine is clear from the foregoing description but the principal operations may be repeated as follows: The ribbon of material is unreeled from the roll 6, advanced between the cutting cylinder 12 and the bed cylinder 11, the unused portions of material removed and the completed covers wound upon a core positioned upon the winding spindle 55.

Claims:

1. In a machine of the type described, means for ejecting a central unused portion of material, said means comprising a revoluble shoe and a roll covered with resilient material.

2. In a machine ofthe type described, means for supporting a roll of material, means for cutting formed articles having openings from said material, means for tensioning the material, and means for removing the inner and outer unused portions of material from said formed articles.

3. In a machine. for cutting toilet seat covers having central openings, means for outthe unused ortions of material from the outer edges t ereof, and means for ejecting the central unused-portions 4 p Y 4. In a machine for cutting toilet seat covers having central openings, means for cutting a series of covers from said material, means for tensioning the said material,

. means for removing the unused portions of material from the outer edges thereof, and

means for ejecting the central unused portions.

5. In a machine for cutting toilet seat covers having central openings from a ribbon of material, cuttin means embodying opposed die-carrying an bed cylinders, means for removing the unused portions of material from the outeredges thereof, and means for ejecting the central unused'portion from the said material. 3

6. In a machine for cutting toilet seat covers having'central openings from a ribbon of material, cutting means embodying opposed cutting and bed cylinders and means for ejecting the centralunused portion from the said material embodying a roll and a revoluble shoe adapted to press the central unused portion of material into contact with such roll.

7. In a sanitary toilet seat cover forming machine, the combination of ashaft for supporting a roll of material, opposed cutting and bed cylinders for forming a connected series of covers from a ribbon of material unwound from such roll and perforating the material between adjacent covers, yieldable rings mounted upon the opposite ends 01 said cutting cylinder, straps for holding the unused edge portions of material against said rings mounted on the opposite ends of said cutting cylinder and means for removing the inner unused'port-ions of material from such covers, said last-named means comprising a rubber covered roll and a revoluble shoe for pressing the inner unused portion of material into contact with such roll.

8. Apparatus for cutting toilet seat covers having central openings from a ribbon of paper comprising a cutting cylinder having dies for cuttingthe outer peripheries of such covers and dies for cutting the central openings of such covers, a bed cylinder acting in opposition to said cutting cylinder, means for removing the edge portions of unused paper from such covers and means for eject ing the unused paper from the central openings of such covers, said last-named means comprising a revoluble cylinder and a shoe pressing against such cylinder for ejecting the unused portions of material from such central openings.

9. In apparatus for cutting sanitary seat covers havmg central openings from a ribbon of paper, the combination of a cutting ting a series of covers, means for removing cylinder carrying cutting and perforating len lUT)

llu

dies, a bed a cylinder, circlnnfe'rential' flanges on said cutting cylinder for spacing lit from said bed cylinder,rubber rings'on said cutting cylinder adjacent such vcircuniferential flanges, straps resiliently held against such rubber rings and operating to direct the edge portion'sof 'the ribbon of'material down wardly and means'eomprising a shoe for ejectingthe central unused portion.

10. Ap 'iaratus for "cuttingsanitarytoilet seat (OYQIS having central openings from a ribbon of paper comprising opposed cutting and bed cylinders, means for ejecting the central unused portions, and means for removing the outer unused portions of paper "from the formed Covers, said last-named means embodying straight edge members and devices for pulling the outer unused portions of paper over said members;

11. In a machine of the type described,

said formed articles, said means comprising apparatus for changing the direction of movement of said outer unused material, a revoluble roller, and means for pressing said inner unused material against said roller.

In testimony whereof I hereby afi'ix' my signature.

BRUCE D. WOOLLEY.