US441476A

US441476A - Cutting and winding mechanism for printing machines

Info

Publication number: US441476A
Authority: US
Publication date: 1890-11-25
Anticipated expiration: 1907-11-25

Description

(No Model.) 3 Sheets-Sheet 1.

J. 0. FORD.

CUTTING AND WINDING MECHANISM FOR PRINTING MACHINES. No. 441,476. Patented Nov. 2-5, 1890.

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(No ModeL') 3 Sheets-Sheet 2.

J. 0. FORD. (HITTING AND WINDING MEGHANISM FOR PRINTING MAGHINES. No. 441,476. Patented Nov. 25, 1-890;

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(No Model.) 381109138-311661; 3.

J. 0. FORD. CUTTING AND WINDING MECHANISM FOR PRINTING MACHINES. No. 441,476. 1 Patented Nov. 25, 1890.

UNITED STATES PATIENT OFFICE.

I JOHN 0. FORD, OF BEVERLY, MISSOURI, ASSIGNOR TO WILLIAM REES & 00.,

OF KEOKUK, IOWVA.

CUTTING AND WINDING MECHANISM FOR PRINTING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 441,476, dated November 25, 1890.

Application filed April 16 1887.

Serial No. 235,097. (No model.)

To all whom it may concern;

Be it known that I, JOHN 0. FORD, of Beverly, in the county of Macon and State of Missouri, have invented a certain new and useful Improvement in Cutting and Winding Mechanisms for Printing-Machines, of which the following is a fu1l, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

Figure I is a side elevation of the machine.

' Fig. II is an end elevation of the machine.

Fig. III is a detail View of the arm through which pressure is applied to the frictiondisks by which the winding-spindle is turned. Fig. IV is a vertical section at IV IV, Fig. II. Fig. V is a transverse section at V V, Fig. I. Fig. VI is a section on the line VI VI, Fig. V. Fig. VII isa transverse section at VII VII, Fig. VI. Fig. VIIIis a detail view of part of the rocking frame carrying the pressure-roller of the paper-winding device. Fig. IX is an elevation of the expanding spindle or core of the winding-roll. Fig. X is a view of the expanding spindle, showing the segment-strips in section. Fig. XI is an enlarged detail of the' expanding spindle, part being broken away and part in section. Fig. XII is an enlarged section of the expanding spindle at XII XII, Fig. XI; and Figs. XIII and XIV are similar sections, respectively, at XIII XIII and XIV XIV, Fig. XI. Fig. XV is a diagram showing the belt-and-pulley connection between the shaft of the pressure-rollerand the lower cutter-shaft.

My invention consists in the features of novelty hereinafter described, and pointed out in the claims.

The invention is shown and will be described as applied to a web-printin g machine, but may be applied to other forms of printing machines or presses.

1 and 2 are two ink-fountains, which may contain inks of any different colors.

3 are the fountain-cylinders.

4 are the duct-rollers carrying ink from the ink-cylinders to the roller 5.

-6 is the ink-cylinder.

7 are distributing-rollers.

8 are form-rollers.

9 is the upper form-cylinder; 10, the impression-cylinder; 11, the lower form-cylinder, and 12 the offset-cylinder.

The course of the paper from the mill-roll 13 passes to the cylinder 9, and between it and the impression-cylinder 10, then between the latter cylinder and the lower form-cylinbetween the cutting-rolls to the winding-roll. 14 is a frame hinged to'the frame 15 of the machine at both sides, as seen at 16. The

side pieces 17 of the frame are connected byinder 11, and then over the offset-cylinder and rods 18. The lower end of the frame 14 carries a riding roller 19, supported on a shaft 20, having journal-bearings in the sides of the frame. This roller rides upon the paper 21 as it is coiled upon the winding-roller 22, and, beside pressing down the paper smoothly asit is coiled, takes motion from the same and forms a motor for the rotary cutters, as will be explained hereinafter. To enable the core to be withdrawn from one of the windingrolls and inserted in another, it is made eX- pansible, as will now be explained. The spindle 23 is made square in cross-section the greater part of its length, and tapering, and each of its flat sides has a rib 24 extending endwise. 7 i

25 are segmental strips, which are formed at the inner side to lit a fiat side of the spindle, being grooved to receive the rib 24, as shown in Figs. XII and XIII. These segmental strips are made thicker at the smaller end of the spindle, so that the circumference of the core is equal from end to end, asseen ends of the segmental strips are similarlybeveled, and the spindle has a beveled lip 29,

This collar bears similar to the inner end of the collar and for a similar purpose. It will be understood that when the collar 26 is made loose on the spindle and the spindle moved endwise in the direction indicated by the arrow in Fig. XI the core will collapse "sufficiently to allow it to be easily extracted from the roller 22. To allow this collapse, the strips are out of contact at the edges'when expanded, as seen in the sections Figs. XII and XIII. The smaller end 30 of the spindle has suitable journal-bearing 31 in the frame of the machine. The larger end 32 is made square or otherwise non-circular and preferably tapering, as shown in Fig. XI, and enters a similarly-formed recess in the end of the shaft This shaft has journal-bearings in the main frame at 34, and carries a friction-disk 35, made fast to the shaft.

36 is apulley turning loose on the shaft 33, which is rotated by a belt from the pulley37. The loose pulley 36 has friction-disks 38 at both ends, one of them bearing against the disk 35 and the other bearing against a similar disk 39 of a collar 40, which has endwise movement on the shaft 33, but is prevented from turning thereon by a feather 41 of the shaft. (See Fig. IV.)

42 is a collar in which the shaft 33 turns freely. This collar has studs 43 projecting from its opposite sides, which have hearings in the prongs of the forked end 44 of the arm or lever 45. This arm is hinged to the frame at the lower end, so that its upper end may move in the line of the shaft 33, where it is connected to the collar 42.

46 is a push-pin working in a socket of the main frame, and whose inner end bea rs against the arm or lever 45.

47 is the arm of a bell-crank leverf ulcru med to the frame and having a horizontal arm 48 with graduating-notches for the engagement of the hook of a weight 49. The construction is such that the winding-roll is driven byfriction, and that the amount of friction is regulated by the position of the weight on the arm 48. Between the frictiondisks are interposed disks of leather, wood, or other suitable substance.

In rewinding the paper from one roll to another roll and in printing it or printing and cutting it at the same time it is very difficult to regulate the tension, from the fact that when rewinding is begun it must be commenced upon a small core or roller, and consequently the core or roller must run ata much higher rate of speed in order to take up the paper than when the roll of paper is of much greater diameten-and unless there is relief somewhere the web of paper will be broken. Thus the necessity of the friction driving device by which the strain upon the paper may be relieved.

The slitting or cutting device will now be described. It will be observed that the joints 16 of the frame 14 are near the point where the web of paper leaves the offset-cylinder 12, and that the riding roller 19 ascends as the diameter of paper upon the winding-roller increases. Thus the cutters which are carried on the frame 14 change their posit on with the changed position of the paper which passes between them. The lower cutter-shaft 49 carries cutting-wheels 50, which are adjustable on the shaft and secured in position by set-screws 51. The upper cutter-wheels 52 have bearing on spindles or arbors 53, fixed in arms 54, which have collars 55, through which the upper one of the rods 18 passes. The collars are adjustable endwise on the rod and are fixed in position by set-screws 56. The paper passes between the lower series of cutting-wheels 52, and in passing between them is slit or cut by the circular knives 57, which are made" fast to the sides of the upper cutter-wheels, and whose sharp peripheries lap past the peripheries of the lower series of wheels. (See Fig. VI, where the broken line indicates the position of the paper web.) The cutting device is driven bya pulley 58 on the shaft 49, connected by a cross-belt 59 with a pulley 60 upon the shaft of the riding roller 19. The surface speed of the knives is always a little in excess of the speed of the paper web because of their diameter being greater than the cutter-wheels (driven by the paper) to which they are secured, so that they shall cut or slit the paper easily, and shall not obstruct its forward movement.

It will be understood that the paper may be wound directly upon the core or upon a roller carried upon the core.

I claim as my invention 1. The combination of the hinged frame 14, the riding roller 19 upon the frame, rotary cutter-shaft 49, and pulleys on the cuttershaft and the shaft of the riding roller connected by a belt, substantiallyas set forth.

2. The combination of the shaft of the winding roller or core with a friction-disk thereon, a loose pulley with a friction-disk at each end thereof, a collar feather-keyed to the shaft and carrying a friction-disk, an arm hinged to a collar which bears against the disk-collar, and a bell-crank weighted lever having bearing against the arm, substantially as and for the purpose set forth.

3. The combination of a tapering spindle or core square in cross-section having ribs, segmental strips having grooves fitting the ribs and beveled ends and varying equally in thickness from end to end, corresponding in number with the sides of the spindle or core forming with the core a cylindrical expansible roller, and the binding collars upon the core, having beveled recesses engaging the ends of the strips, substantially as and for the purpose set fortl 4. The combination of a tapering spindle or core formed square in cross-section with ribs 24, beveled lip 29, non-circular larger end 32 and smaller journal end 30, the scgmental strips having grooves fitting the ribs recess fitting the non-circular larger end, sub and beveled ends and varying equally in stantially as set forth.

thickness from end to end correspondin in T number to the sides of the spindle or c ore, JOEL FORD 5 forming with the latter a cylindrical expansi- Witnesses:

ble roller, the binding collars 26, having bev- CHAS. H. BAGBY,

eled recesses 28, and the shaft 33, having a C. H. URMsToN.