US1582665A - Friction drive for driers - Google Patents

Description

A ril 27, 1926. 1,582,665

E. E. BERRY FRICTION DRIVE FOR DRIBRS Filed Dec. 15. 1925 2 sheets-shew 1 [M Man A fil 27, 1926. 1,582,665

E. E. BERRY FRICTION DRIVE FOR DRIERS Filed D60. 15 1923 2 Sheets-Sheet 2 Patented Apr; 27, 1926.

EARL E LWIN BERRY, OF BELOIT, WISCONSIN, ASSIGNOB TO BELOIT IRON WORKS, OF

BELOIT, wIscoNsIN.

FRICTION DRIVE ron mamas.

Application filed December 15, 1923. Serial No. 680,822.

To all whom it may concern.

Be it known that I, EARL E. BERRY, a citis zen of the United States, and a resident of the city of Beloit, in the county of Rock and State of Wisconsin, have invented certain new and useful Improvements in a FrictionDrive for Driers; and .I hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, and to the numerals of reference marked thereon, which form a part of this specification.

Inpaper web drying machines of the Fourdrinier and similar types the drying cylinders or :rolls'are rotated by means of large-intermeshing gears which not only set up Vibrationsand are noisy in operation but also cause considerabletrouble in that the gear teeth break off due to the excessive strain to which they are subjected. The

breaking of gear teeth means, thereplace= ment of the gear and a long delay for repairs during which'time the entire machine.

is out of use. Theuseof'large driving gears also make it extremely difficult to obtain proper access to thedrying cylinder bearings and journals.

To obviate the above mentioned defects in driers for paper making machinesand the like, this invention relates to an improved type of driving mechanisms for the steam drier cylinders of a paper making machine.

It is an object of this invention to provide a web drying machine with friction drive mechanisms for the driers, thereby providing a construction of fewer parts and less expensive since the bearings and journalsof the upper driers are not required.

It is also an object of the invention to provide the drier cylinders of a paper drying machine with friction flanges to replace driving gears, said friction driving arrangement permitting easy removal of bunched paper from between the cylinders in case the paper tears.

It is an important object of this invention to provide a paper drying machine of im proved construction wherein the drier cylinders are driven through friction flanges and wherein the lower drier cylinders are supported on roller or ball bearings, thereby affording a machine wherein vibrations and noise are greatly reduced.

"Qther and further important objects of this invention willbe apparent from the dis closures in the specification and accompanying drawings. p i

This invention in a preferred form) is illustrated in the drawings and hereinafter trating part of the framework.

Figure 3,1S: a fragmentary'detail view taken on line 3--3 of Figure 2.

Figure f is an enlarged vertical detail view through the roller bearing support at the front side of one of thedrier cylinder supports (line 4l, Figure 2) showing the housing in section.

Figure 5 is a detail sectional view through the support for one of the driving drier cylinders (line 55, Figure 1) with the motor and parts omitted. i I

Figure 6 is a view taken on line 66 of Figure 4.

As shown on the drawings s I Figure 1 illustrates a diagrammatic sid elevation of the drier unit of apaper drying machine of the Fourdrinier type and com-.

prising a plurality of lower drier cylinders 1, driving cylindersQ, and upper cylinders 3. A plurality of guide rolls 4; are provided for supporting drier felt conveyors 5 which conduct a web tobe dried through the machine in contact with the drier cylinders which are steam heated.

The upper .tier ofdrier cylinders 3 are positioned to rest on the lower tier of drier cylinders 1 and 2 as illustrated in Figures 1 and 2. Each of the cylinders 1, 2 and 3 has rigidly bolted or otherwise secured to one end thereof a ring driving flange 6 (Figure 3) each having a beveled portion 7. The driving flanges frictionally contact one another and thus impart a rotary motion to the drier cylinders. The cylinders 2 are the drivingcylinders and each is provided at one end with a shaft or trunnion 8 having a roller 9 fixed or formed thereon intermediate the ends thereof and adapted to run on bearing rollers within a bearing housing 10 similar to the arrangement illustrated in Figure 4:. Fixed on the outer end of each of the driving trunnions 8 is a gear which meshes with a driving gear mounted on the end of the shaft of a driving motor 11.

A. drive from a motor 11 is thus transmitted through the meshing gears to the trunnion 8 and the respective driving cylinder 2 the driving flange G of which being in frictional contact with the flanges 6 of two or the upper tier cylinders 3 causes rotation of said upper cylinders which in turn serve to transmit the drive to the remaining cylinders through the friction flanges. All of the drier cylinders are thus frictionally driven and act to dry a web conducted therebetween by the drier-felts.

Each of the lower tier drier cylinders l is provided with a trunnion 12 having a supporting roller 13 mounted or formed thereon and resting on a pair of bearing rollers 14 the trunnions 15 of which run in roller bearings 16 (Figure 4) supported in a hearing housing 17.

It will be noted that the drier cylinders are adapted to be frictionally driven from the main driving cylinders 2 through the friction flanges 6 thereby obviating the use of large driving gears and eliminating all delays in the operation of the machine usually encountered due to the breaking of gears and the time necessary for replacing the same.

Attention is directed to the fact that by equipping the drier cylinders with :friction flanges the bearings and journal parts of the upper tier of drier cylinders are dispensed with, thus atl'ording a machine of materially less parts and of a less expensive construction. lt will also be noted that the arrangement of the friction flanges on the drier cylinders permits haying out of the cylinders in case the paper web tears and bunches up between the cylinders.

I am aware that many changes may be made and numerous details of construction may be varied through a wide range without departing froin the principles of this invention, and I therefore do not purpose limiting the patent granted hereon otherwise than necessitated by the prior art.

I claim as my invention l. The combination with a paper making machine drier unit, of: a plurality of drier cylinders forming a part thereof, and friction mechanisms connected to drive said cylinders.

2. The combination with a paper making machine drier unit, of a plurality of drier cylinders, driving means connected to drive certain of said cylinders, and co-acting friction mechanisms on all of said cylinders to permit the cylinders to receive a drive from said driving means.

3. In a paper drier unit the combination with a plurality of co-acting drier cylinders. of means connected to drive one of said cylinders, and friction flanges on said cylinders adapted to co-act one with the other to cause the drive transmitted to said one cylinder to be imparted to the remaining cylinders.

i. In a paper drying machine drier unit a drier cylinder, a flange thereon, and friction means engaging said flange to rotate the cylinder.

5. In a paper drying machine drier unit, a drier cylinder a ring flange rigidly secured to one end thereof, and means for frictionally engaging said flange to cause rotation of the cylinder.

(5. In a paper drier unit, a main drier cylinder. means connected therewith for rotating the same, a flange mounted on said main drier cylinder, an auxiliary cylinder. and a flange thereon co-acting with the main cylinder flange to receive a drive therefrom.

7. In a paper drier unit a plurality of upper and lower drier cylinders positioned in staggered relation with the upper cylinders supported on the lower cylinders, roller bearings for supporting the lower cylinders, means for driving certain of said cylinders, and co-acting flanges on said cylinders to permit the drive to be transmitted from said selected cylinders to the remaining cylinders.

In testimony whereof I have hereunto subscribed my name.

EARL ELIVIN BERRY.

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