US1113534A - Suction apparatus for paper-machines. - Google Patents

Description

A. E. BINNS.

SUCTION APPARATUS FOR PAPER MACHINES.

APPLICATION FILED SEPT. 18, 1913.

Patented Oct. 13, 1914.

7 SHEETS-SHEBT 1.

A. E. BINNS. SUCTION APPABATUSFOR PAPER MACHINES.

APPLICATION FILED SEPT. 18, 1913.

1,1 1 3,534. Patented Oct. 13, 1914.

7 SHEETS-SHEET 2.

A. E. BINNS.

SUCTION APPARATUS FOR PAPER MACHINES.

APPLICATION FILED SEPT.18, 1913.

Patented Oct. 13, 1-914.

7 SHEETSSHEET 3.

6 ,fl kl 45 A Q 7 I 22 Q 6 gun I 7 7 rt I '1 I A H I 4 9 A J5 47 n f A '19 45 I I a A a I5? awuawtcvc W fl EE/ /Va A. E. BINNS.

SUCTION APPARATUS I'OR PAPER MACHINES.

APPLICATION FILED SEPT. 18, 191-3. 1,1 1 3,534.

Patented Oct. 13, 1914.

7 SHEETS SHEET 4v wl'ii llllllll A. E. BINNS. SUCTION APPARATUS FOR PAPER MACHINES.

APPLICATION FILED SEPT.18,1913.

1, 1 1 3,584. Patented 0013. 13, 1914.

7 SHEETS SHEET 51 Patented Oct. 13, 19M.

'7 SHEETS-SHEET A. E. BINNS.

SUCTION APPARATUS FOR PAPER MACHINES.

APPLICATION FILEDSEP'I'.18,1913.

' Fatented 0013. 13, 191%.

7 SHEETS "SHEET T.

E i 4d 4 4 ARTHUR n. BINNS, or NORWICH, coNNEcTIcUr.

SUCTION APPARATUS FOR PAPER-MACHINES.

Specification of Letters ratent.

Patented Oct. 13, 1914.

Application filed September 18, 1918. Serial No. 790,435.

To all whom it may concern.

Be it known hat I, ARTHUR E. Bmss, a citizen of the United States, residing at Norwich, New London county State of Connecticut, have invented certain new and useful Improvements in Suction Apparatus for Pa cr-Machines, of which the 0 lowing is a fu 1, clear, and exact description.

This invention relates to paper machines and particularly to an improved form of suction apparatus of the character set forth in my prior Patent No. 1,040,126 of October 1st. 1912.

The iresent invention aims to rovide a more ei cctive mechanical association of the various parts giving greater efficiency and durability. These and other advanta es will be apparent from the following etailed specification taken in connection with the accompanying drawings forming part thereof and illustrating a preferable embodiment of the invention.

In these drawings: F i re 1 is a view in end elevation of a suction apparatus embodying the improved construction of the present invention. Fig. 2 is a top plan view of the suction apparatus shown in Fig. 1 parts being broken away. Fig. 3 is an end elevation of the parts shown in Fig. 2. Fig. 4 is a vertical section taken on the line 4-4 of Fig. 2, and on an enlarged scale. Figs. 5-45 are views in front elevation in vertical section of one of the suction cylinder heads. Figs. 7-8 are views in rent elevation in vertical section of the other of said cylinder heads. Figs. 9-17 relate to details of construction.

Referring to the drawings by numerals, 1 designates generically, the suction roll apparatus of tie present invention, which apparatus is supported at its ends by bearings 2 and is ad ustably carried in supporting standards 8.

4 designates the felt or web which is fed by a suitable roll 5 to and around the suction apparatus, 6 designating the couch roll of the paper making machine, The pulp is deposited on the felt or web4 and is carried b said web around the cylinder of the suction apparatuswhieh extracts the moisture rofroin.

The suction. apparatus proper comprises a'mainsuction cylinder 7 havin its ends open and provided with a suitable number :naled in suitable bearin of perforations therethrough extending longitudinally of the c linder and about its periphery. This cy inder is provided at one end with a flan e 8 having key-ways 8 therein, a gear w ieel 10 being suitably keyed to this flange 8. The opposite end of the cylinder is provided with a second flange i). The ends of the cylinder are closed by non-rotatable heads 11 and 12, suitable packing 13 being interposed between the cylinder ends and said heads.

14 desi nates a center supporting roll for the cylin er, this roll being hollow and having end inserts 14' providing a broad bearing surface, these inserts carrying spindles 15 which extend from the ends of the roll and ]ournal in and extend through bearings 16 and 17 formed in the cylinder heads 11 and 12. These spindles extend beyond the heads and are journaled in the bearings 2, one of the spindles extendin beyond its bearing and havingjournaled t iereon a driving gear 18, this gear being rotated by suitable means (not shown). Within the cylinder 7 and cooperating with the center roll 14, are intermediate hollow supporting and packing rolls 19, these rolls having end inserts 19" carrying spindles 20, which spindles journal, preferably a little loosely, in bearings 21 formed in the heads of the cylinder. Both the center roll 14 and intermediate rolls 19 have suitable yielding peripheral surfaces made, for instance of rubber, to Provide an effective packing. The periphery of the intermediate rolls engage the periphery of the center roll and the interior periphery of the cylinder, the ends of these rolls being held against the heads 11 and 12. The strain of the web or blanket 4 against the cylinder 7 is in a direction to cause the rolls 19 to press against the center roll 2. 1 provide, however, additional means for tensioning these rolls a ainst the center roll, and to this end I emp 0y a hollow tension roll 22 positioned within the cylinder 7 and of similar construction generally, to the supporting rolls 14 or 19. This tension roll has its end s indles 23 jourlocks 24, which blocks are mounted within alined openings 25 in the heads 11 and 12, and are ad ustably held between the spaced cars 26 of said heads b means 0 adjusting screws 27.

This r01 22 is supported and positioned whereby it ,maybe moved radially to bear against ;-the' inner periphet' bf cylinder 7 at a point opposite the r01 s 19 to thereby force the cy inder against rolls 19 and in turn, cause these rolls to bear strongly against the eriphery of center roll 14. 'lhe bearing bloc {S 24 may be moved in the openings 25 in the cylinder heads and radially of sa'id'heads to bring the tension roll 22 against the center roll 14in the event that it is found that said roll sags at the center, as might be the case of a roll of great length.

The ends of the rolls 1419 bear against the heads of the cylinder as also do the ends of the c dinder; The space below the cylinder and etween the rolls 19 and above the center roll 14, is designed to provide a suction space acting upon the paper web under the cylinder between the rolls 19. To this end it is desirable to make this space air tight except for the erforations in the c 'linder between the r01 5 19 and I have, tierefore, rovided the following structure. Each 0 the heads 11 and 12 at alined points, are cored out to rovide passages 28 which are utilized to mold a sealing liquid such as water. On the inner faces of the heads, a plurality of liquid feed apertures 29 are provided, these apertures following the line of the assa es 28 and communicating therewith rom t is inner side of the heads. The ends of the cylinder bear against the outer line of a ertures 29, and the ends of the rolls 1'4-19 ear against the inner line of apertures. The contour of each of the cored out assages 28 corresponds to the end outline oi the suction space, so that a film of liquidextends around the edges of the suction space at both ends, and is maintained under each'of said rolls and between said rolls and the center roll 14. The exterior-faces of each of the heads 11 and 12 are tapped as at 30 to provide means for the connection of a pipe (not shown) thereto, which pipe will communicate with the cored out passages 28 and may be used to fill said assages with a liquid such as water.

In or er to create suction within the suction space hereinbefore referred to, I provide tie head 11 with a flanged outlet pipe 31 preferably of the channel cross-section indicated by the dotted lines in Fig. 5, this pipe communicating with the suction space and having a connection (not shown? with any suitab e exhaustin apparatus, w ereby air, is drawn through t e perforations in thecylinder 7 between rolls 1%) and extracts the water from-the paper web passing over thecylinder between t ese points,'and draws it from the interior of the cylinder. The head 12 at theoppbsite end of the cylinder is provided with an zopen'ingg 82-i1ormally closed and made air'tig ably secured thereto and'r'emovable to per t -by oi coverplatel33 suit-' mit. access to the interior of the cylinder. The cylinder and its heads are mounted for swinging movement in the frames 3. To this end the heads 11 and 12 at alined points are each rovided on their exterior faces withinteriorly threaded bosses 34, in which are threaded tap bolts 35, which bolts extend through the curved slots in the supporting frames 3, and bear with their heads against said frames to clamp the heads firmly thereto. These slots are curved on arcs concentric with the supporting spindles 15 and with the heads 11' and 12, so that by loosening the tap bolts 85, the heads and their rolls may be adjusted relative to the cylinder, as for instance, when it is necessar to vary the poilpt of suction on the blanh et and paper we The heads 1112 are held firmly against the ends of the cylinder and of the supporting rolls by the following means. Head 11 is tapped at two diametrically opposite points as at 36 to receive externally and interiorl threaded bushings 37 having flange solid heads seating against the outer faces of the head 11. The head 12 at alined points is tapped and rovided with bosses 38. Two airs of comp emental tension rods 39 threat ed at both ends, are provided. The adjacent ends of each pair of rods have conical sleeves 40 threaded thereon, these sleeves serving as anchorages for the opposite ends of the coiled tensioning springs 41. The free ends of each pair of rods 39 are threaded respectively in the bushings 37 and in the interiorly threaded bosses 38 in the opposite heads 11-12. The rods 39 which engage in the bosses, extend therebeyond an ave their ends cngxwed by tensioning nuts 42 bearing against the bosses 38. By operating thesenuts 42, the tension of the springs 41 may be adjusted to give the requisite pressure of the heads 11-12 against the ends of the cylinder.

I have herein described the spindle 15 at one end of the main or center roll 14 as being a driving spindle and having a driving gear 18 journaled thereon. In order to rotate the cylinder 7 from this gear, the followih transmission gearing is preferably provi ed. In the frame'3 at one end of the cylinder a spindle 43 is mounted and on this spindle is journaled an idler gear 44 meshin with the driving gear 18. Below the spindle 43 a shaft 45 is journaled in the frame 3 and extends from opposite sides thereof. On the outer end of this shaft is fixedly secured a gear 46 meshing with the idler gear 44. The inner end of the shaft 45' extends beneath the gear 10 of the cylinder 7, and has-fixedly secured thereto a second gear 47 meshing with this cylinder gear.

-.de'sc'ribed. The spindle gear18 permits r0- -W W i I .c

tary adjustment of the cylinder and its I heads in the curved slot of the frames 3, as

- ears having oppositely threaded apertures will be obvious.

In paper machinery the width of the web of'paper and of the blanket varies with different machines. and unless the entire perforated portion of the cylinder is engaged by said paper web and blanket, air is drawn through the uncovered perforated portion and it is impossible under these circumstances to secure effective suction against the paper web between the rolls 19. To enable the use of one suction cylinder with various widths of paper web and blanket, I may place bands 48 of compressible and expansible material, such as rubber, on the cylinder 7 at opposite ends thereof, the outer ends -of thesebands pressing against the end flanges 8 and 9 of the cylinder, said cylinder being, in this instance of course, of greater length'than is necessary. v Holding rings 49 engage the inner edges of these bands, these rings having channels 50 therein and extendino annularly thereof (see Figs. 12 and 13). '11 order to hold these rings against the edges of; the bands 48 at the desired position and tension, any suitable means may be provided. In the drawings I have shown ears 51 depending from the lower edges of the frames 3'at alined points, the opposite therein to receive the outer ends of oppositely threaded rods 52. The adjacent and inner ends of these rods 52 may be connected by. a turn buckle (not shown). On these rods and adjacent opposite ends of the cylinder, double arm hangers 53 are mounted, these-hangers each having inte'riorly threaded sleeves 54 corresponding to the thread of the rod which they engage. The ends of the arms of the hangers have journaled therein rollers 55 which ride in the channels 50 of the holding rings 49. It will be obvious that manipulation of the turn buckle will move these hanger arms toward and away from the ends of the cylinder, so that the bands 48 may be accommodated to the width of the cylinder which it is desired to cover, and will be held by these rollers and arms in adjusted position.

It will be obvious from the foregoing that I have provided a suction roll wherein powerful and effective action may be had against the web of paper, and whereinvarious desirable features of construction are provided.

While I have described and shown a specific embodiment of the invention, I desire it understood that the same is susceptible of variation both in structure and relative arrangement of parts, within the spirit of the invention and the scope of the appended claims.

It will be observed that at each end of the roll 14, therev is a' separate end piece indicated at 14. This end piece is provided in the form of a sleeve, preferably of brass, secured in placeand so shaped as to minimize friction, the brass running against the end packing instead of allowing the rubber to engage the end packing. These end pieces may be applied tothe ends of each of the inside rolls. that the ends of the roll 7 are provided with annular grooves or score lines to reduce friction. I have also found that by providing these annular grooves, a much better joint may be made than when the surface is plain or fiat. v

hat I claim, therefore, and desire to secure by Letters Patent is:

1. In an apparatus ofthe character described, a perforated rotatable cylinder, rela- It will also be noted tively stationary heads engaging and clos-.

ing the opposite ends of said cylinder, means supporting said cylinder located mteriorly thereof and-providing a suction space therein, and means for ad ustably holding each t of said relatively stationary heads in con- ..tact with the ends of said rotatable cylinder. 2. In an apparatus of the character de-' scribed, a perforated rotatable cylinder, rela' tively stationary headsengaging and closing the opposite ends of said cylinder, means carried by said heads for supporting said cylinder, including two internally located and spaced cylinder supporting rolls extending longitudinally of the cylinder with their ends engaging said heads, said means providing a suction space between said rolls andbeneath that part of the cylinder between said rolls, and means connecting and tensioning said heads against said cylinder ends and against said supporting rolls.

3. In an apparatus of the character described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, means carried by said heads for supporting said cylinder, including two internally located and adjacent cylinder engaging and supporting rolls and a filler to close the space below and between said rolls,- said rolls and filler extendin g longitudinally of said cylinder with their ends engaged by said heads to form a suction spacev between said rolls and beneath that part of the cylinder between said rolls, and means including an adjustable tensioning spring, for holding said heads tensioned against the ends of said cylinder, supporting rolls and filler.

In an apparatus of the character described, a perforated rotatable cylinder, reling longitudinally of said cylinder with their ends engaged by said heads to form a suction space between said'rolls and beneath that part of the cylinder between said rolls, and spring-means adjustably connect ed with said heads and arranged to adjustably tension the same against the ends of said cylinder, supporting rolls and filler.

In an appa aims of the character describecha perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, two internally l gated and adjacent cylinder engaging and supporting rolls carried by said heads and extending longitudinally of said cylinder, a centrally located longitudinally extending internal roll carried by said heads and engaging and closing the space between and below said, cylinder supporting rolls, said heads-engaging the ends of said rolls and providing a suction space between and above said rolls and beneath that part of the cylinder engaged by said supporting rolls, and s )aced tension springs within said cylinder adjustably connected with .said heads and arranged to adjustably tension said heads against the ends of said cylinder and said internally located rolls.

6. In an apparatus of the character. described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, means carried by said heads for supporting said cylinder, including two internally located and -adja cent cylinder engaging and supporting rolls and a filler to close the space below and between said rolls, said rolls aiidfiller extending longitudinally of said cylinder with their ends engaged by said heads to form a suction space between said rolls and beneath that part of the cylinder between said rolls, inc-ans for holding said heads against the ends of said cylinder, rolls and filler,-

and means located iutcriorly of said cylinder and arranged to be moved to engage said cylinder to hold the same tightly against said supporting rolls. I

7. In an apparatus of the character described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, means carried by said heads for supporting said cylinder, including two internally located and adjacent cylinder engaging and supporting rolls and a filler to close the space below and between said rolls, said rolls and filler extending longitudinally of said cylinder with their ends engaged: by Said heads to form a .sucticn space between said rolls and beneath that; part of the cylinder between said rolls,

n eans .for holding said heads against the ends of said cylinder, rolls and filler, and means carried by said heads interiorly of said cylinder arranged to be moved in one directionand to one position toengage said &

cylinder to hold the same tightly against said supporting rolls, said means being also arranged for movement from said first position to a second position whereby it may engage and brace said filler.

8. In an apparatus of the character. de scribed, a perforated rotatable cylinder, relatively stationary heads; engaging and closing the ends of said cylinder, means carried by said heads for supporting'said cylinder,

including two internally located and adjaroll carried by said heads and located interiorly and: extending longitudinally of said cylinder and means whereby said roll may be moved and held in one position to engage said cylinder to hold thesame tightly against said supporting rolls and whereby said roll may be moved and held in a second position to engage and brace said i'illcr.

9 In an apparatus of the character described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, two internally located and adjacentcylinder engaging and supporting rolls carried by said heads and extending longitudinally of said cylinder, a centrally located longitudinally extending internal roll carried by said heads and engaging and closing the space between and below said cylinder supporting rolls, said heads engaging the ends of said rolls and providing a suction space between and above said I'Olls and beneath that part of the cylinder engaged by said supporting rolls, means for holding said heads agains" the ends of said cylinder and said rolls, and a roll carried by said heads and located interiorly and'extending longitudinally of said cylinder and means whereby said roll may be moved and held in one position to engage and hold said cylinder tightly against said supporting rolls and whereby said roll may be moved and held in a second position to engage and brace said centrally located roll.

10. In an apparatus of the character described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, means carried by said heads for supporting said cyl: inder, including two internally locatedv and spaced cylinder supporting rolls extending longitudinally of the cylinder with their ends engaging said heads, said means providing a suction space between saidrolls and beneath that part of the cylinder between said rolls, means for holding said cluding two internally located and spaced cylinder supporting rolls extending longitudinally of the cylinder with their ends engaging said heads, said means providing a suction space between said rolls and be-. neath that part of the cylinder between said rolls, means for holding said heads against the ends of said cylinder and of the supporting means therefor. and means carried by "said heads and cotiperatingavith the ends of .said cylinder and of said supporting means to provide a liquid seal about the edges of said suction space at the ends of the cylinder whereby liquid drawn into said suction space from the exterior of the cylinder forms a sealing film beneath said rolls and within said cylinder.

12. In an apparatus of the character described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, means carried by said heads for supporting said cylinder, including two internally located and adjacent cylinder engaging and supporting rolls and a filler to close the space below and between said rolls, said rolls and filler extending longitudinally of said cylinder with their ends engaged by said heads to form a suction space between said rolls and beneath that part of the cylinder between said rolls, means for holding said heads against the ends of said cylinder, rolls and filler. and means carried by said heads whereby liquid drawn into the suction space from the exterior of the cylinder forms a sealingfilm around the edges of said cylinder, roll and about that portion of the filler ends bounding said suction space at the ends of the cylinder to thereby provide a liquid seal for said ends of the suction space.

13. In an apparatus of the character described, a perforated rotatable cylinder, relatively stationary heads engaging and closing the ends of said cylinder, means carried by said heads for supportingsaid cylinder,

including two internally located and adjacent cylinder engaging and supporting rolls and a filler to close the space below and between said rolls, said 'rolls and filler extending longitudinally of said cylinder with their ends engaged by said heads to form a suction space between said rolls and beneath that part of the cylinder between said rolls, means for holding said heads against the ,ends of said cylinder, rolls and filler, said heads being provided with reservoirs liquid and having means for feeding liquid from said reservoirs to the edges of said cylinder, roll and filler ends bounding said suction space at the ends of the cylinder to provide a liquid film at such ends forming liquid seals for the ends of said suction space, whereby the liquid drawn into said suction space from the exterior of'the cylinder forms a sealing film beneath said supporting rolls and between said rolls and said filler.

14. In an apparatus of the character described. a' perforated rotatable cylinder, relatiyely stationary heads eiigaging and closingthe ends of said cylinder. two interual located and adjacent cylinder engaging and supporting rplls carried by said heads and extendiiig "ldngitudi'nally of said cylinder. a centrally located longitudinally extending internal roll carried by said heads and engaging and closing the space between I and below said cylinder supporting rolls, said heads engaging the ends of'said rolls and providing a suction space between and above said rolls and beneath that part of the cylinder engaged by said supporting rolls, means for holding said heads against the ends of said cylinder and its rolls, said heads having liquid reservoirs formed therein and being provided with feed ducts positioned to supply a film of liquid to the edges of said cylinder and its rolls bounding said suction space at the ends of the cylinder, thereby forming liquid seals for the ends of said suction space whereby liquid drawn within .said suction space from the exterior of the cylinder forms a sealing film beneath said supporting rolls and between said rolls and said center roll.

15. In a device of the character described,

spaced supports, a perforated rotatable cylinder, relativelv stationary heads closing the ends ofsaid cylinder, supporting means forsaid' cylinder carried by said heads and cooperating therewith and with said cylinder to provide a suction spacetherewithin below the same and between said supporting means and said heads, means for journaling said supporting means andheads between said supports andmeans for adjusting saidheads and supporting means about their .axis

of support and relative to said cylinder to thereby adjust the position of the suction space relativelyto the periphery of the cy inder.

16. In a device of the character described, spaced 's'upports a perforatedrotatable cylinder, relatively stationary heads ciosing the ends of said cylinder, supporting means .for said cylinder carried by said heads and including two spaced internal rolls engaging and extending longitudinally of the cylintively to the periphery of'tlie cylinder.

17. In a device of the character described, spaced supports, a perforated rotatable cylinder having a gear there-"in, relatively stationary heads closing the ends of said cylin-, (lcl','t\\() spaced internal supporting rolls having their ends journaled in and abutting said heads "and a center roll engaging said supporting rolls and closing the space therebetween, said center roll having its ends abutting said heads to form with said cylinder. rolls and heads a suction space, and

having end spindles extending through said heads and journaling said head and rolls on said sup orts. a driving gear journaled on one of said roll spindles, an idler gear carried by the support for said spindle end and engaging said driving ear, a third gear carried by said support, engaging said idler gear and operatively connected with said cylinder gear to rotate saidgear and its cylinder, and means cooperating with a head and its support to adjust said heads and rolls about said spindle ends as an axis and relative to said cylinder.

18. In a device of the character described,

I spaced supports, a hollow cylinder mounted therebetween having perforations therein 40 extending longitudinally and circumferentially thereof, and'having its ends. closed, means providing a suction space within said cylinder extending longitudinally of said,

cylinder between its ends, and "partially around its periphery, means carried by and extending circumferentially and exteriorly of the cylinder and movable longitudinally thereon to cover or uncover suction apertures therein and thereby vary the length of effective suction surface of said cylinder.

19. In a device of the character described,

spaced supports, a hollow cylinder mounted therebetween having perforations therein extending longitudinally and circumferen tially thereof, and having its ends closed, means providing a'suction space within said cylinder extending longitudinally said cylinder between its ends and partially around its periphery, means carried by and extending circumferentially ofthe cylinder at each end thereof, said means beingcompressible and expansible, and manually controlled means cooperating with said compressible and expansible means on said cylinder to move the same longitudinally of said cylinder to cover or uncover suction apertures therein and thereby. vary the length of effective suction surface of said cylinder.

ARTHUR E. BINNS. Witnesses:

'LORETTA E. VVARD,

CHARLES L. STEWART.

Jopies of this patent may be obtained for five cents each, by addressing the Commissioner of I'atents.

Washington, D. C.

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