US2632510A - Cutoff cylinder - Google Patents

Cutoff cylinder Download PDF

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Publication number
US2632510A
US2632510A US25566851A US2632510A US 2632510 A US2632510 A US 2632510A US 25566851 A US25566851 A US 25566851A US 2632510 A US2632510 A US 2632510A
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Prior art keywords
cylinder
blade
cut
severed
cutting edge
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Expired - Lifetime
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Herman A Doppleb
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Hamilton Tool Co
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Hamilton Tool Co
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Priority to US25566851 priority Critical patent/US2632510A/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/1817—Compounds of uncertain formula; reaction products where mixtures of compounds are obtained
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B26D1/385—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member for thin material, e.g. for sheets, strips or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2033—Including means to form or hold pile of product pieces
    • Y10T83/2037—In stacked or packed relation
    • Y10T83/2042—Including cut pieces overlapped on delivery means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/263—With means to apply transient nonpropellant fluent material to tool or work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8789—With simple revolving motion only

Definitions

  • Still a further object of the invention is to provide simple, inexpensive, yet highly eflicient means 'ior positively deflectin the forward portions of the sheet next to be severed from a continuous web downwardly toward and onto the previously severed sheet, thereby facilitating high speed operations of the cut off blade cylinder with precise registry of the severed sheets.
  • Fig. 1 is a side elevational View of a cut off blade cylinder embodying the teachings of the present invention.
  • Fig. 2 is an enlarged cross sectional view on line 2-.-2 of Fig. 1, the cut ofi blade cylinder being shown in the association with other portions of a typical cut off machine assembly and with the cut offblade in position at the: moment of cut off.
  • Fig. 3 is a view similar to Fig. 2 showing the relationship of the cut off cylinder after cut off.
  • Fig. 4 is a sectional view of a cut off cylinder illustrating a modified form of the invention.
  • Fig. 5 is a view similar to Fig, 4 illustrating still another modification of the invention. 1
  • - meral I0 denotes generally a cut oil cylinder such as used in the printing industry, said cylinder including a transversely extending blade I2 having a cutting edge I4 projecting outwardly beyond the outer periphery l 6 of the cylinder.
  • the cutting edge M of blade I2 is adapted to make-kissing contact with the cutting edge of a fixed blade l8 for there.- by severing a continuous web 20 into a plurality of individual sheets22, which sheets will be deposited in echelon relationship upon a suitable support 24 thence onto the upper reach 26 of an endless conveyor denoted generally by the numeral 28.
  • the present invention is neither 'directed'to nor concerned with the specific structural details of the cylinder or its blade, these devices being old and well known to the art.
  • the present invention is directed to the provision of simple, highly effective means for inducing a steady flow or current of air for positively deflecting the free outer, or leadin edge 40 of the next sheet to be severed from web 22: downwardly, that is, away from cylinder l0 and toward the upper face of the preceding sheet severed by blade I2 on the preceding revolution of the cylinder.
  • Such means may comprise a plurality of laterally spaced conduits or passageways 42 each having an inlet endv 44 in the periphery of the cylinder immediately forwardly of bladev I2, and an outlet port 46 in the cylinder periphery adjacent the rear end 62 of blade l2.
  • a conduit'or passageway may be provided in the body of cylinder l!) by a milling or any other conventional operation.
  • Suitable means are provided immediately in advance of the outer or forward end 50 of blade I2 fOr scooping air into conduit 42 incident to rotation of cylinder l0.
  • such means may comprise an elongate panel 52 mounted between adjacent portions of cylinder I0 and rear face 54 of the blade, wherein the term rear face amount less than the amount by which cutting edge IA of the blade projects from periphery 16.
  • panel 52 may be securely though releasably anchored by means of a plurality of bolts 60 which extend through suitable apertures in blade l2 for engaging tapped holes provided in cylinder It. It will be noted that the same means are thus utilized for anchoring panel 52 as are utilized to mount blade l2 relative to the cylinder.
  • discharge ports'46 are disposed immediately adjacent inner or rear end 62 of blade I2 for thereby dischargin the air scooped into conduit-542. as close to blade 12 as possible.
  • -the scooping means may,. if desired;-tcomprise asubstantially L-sha-pedmember :18, one ileg '5 180 of. which is secured to and-carried. by'the-outer or forwardendalitof blade -12 such as by means :.,of: set screws .82- or. the like; for therebydisposing 1 its otherlegfifl alongiand as a continuation of the -srear face 54 of the-b1ade;which-rear face maybe 1 described as that sidenfthe bladeremote-from l cutting edge 1 4.
  • the air-scooping characteristics of leg 84 aresimilar to those of portion 58-of 1 panel 52.
  • i Inthepreferred embodiment ofthe'invention Ir provide a plurality of laterally-spaced conduits 142,-'one' between eachblade 'holding bolt 60; it ;.being noted that each conduit r-extends alongthe rear facee54. and rear ends 62 of the blade.
  • each conduit is substantially uniform and wherein the depth uniformly yariesfrom a maximum depth zzadjacentLthexinletzend to a minimum depth at therearendtoi the blade.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Forests & Forestry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Details Of Cutting Devices (AREA)

Description

March24, 1953 H. A. QOPPLEB 2,632,510
CUTOFF CYLINDER Filed Nov. 9, 1951 2 Sl-lEETS-Sl-IEET l IN V EN TOR.
' HERMAN A. DOPPLEB Patented Mar. 24 1953 UNITED STATES PATENT OFFICE.
oU'roFF CYLINDER Herman A. Doppleb, Hamilton, Ohio, assignor .to The Hamilton Tool Company, Hamilton, Ohio, a corporation of Ohio Application November 9, 1951, Serial No. 255,668
.- severed into shorter lengths by the cylinder.
Heretofore considerable difiiculty has been experienced inthose instances wherein rotary cut off means have been utilized for severing continuous lengths of sheet material, such as paper, into shorter lengths orsheets, and particularly when the rotational speed of the cut off cylinder has been relatively high. When paper, in particu1ar,.is severed under such conditions, there is a pronounced tendency for the forward edge of the sheet next to be severed from the continuous web to adhere to the outer periphery of the cylinder, rearwardly of the cutting blade, thereby elevating. or lifting said forward edge. Thislifting of the forward edge or" the sheet next to be severed precludes its proper discharge upon, and registry with the last severed sheet, and often results in a bunching up of severed sheets adjacent the cut off cylinder. Y
A further object of the invention is .to provide means for effectively eliminating the tendency of the forward edgeof the sheet next to be severed from a continuous roll to lift or tend to adhere to the outer periphery of the blade cylinder.
Still a further object of the invention is to provide simple, inexpensive, yet highly eflicient means 'ior positively deflectin the forward portions of the sheet next to be severed from a continuous web downwardly toward and onto the previously severed sheet, thereby facilitating high speed operations of the cut off blade cylinder with precise registry of the severed sheets.
These and other objects are attained by the means described herein andas' disclosed in the accompanying drawings, in which Fig. 1 is a side elevational View of a cut off blade cylinder embodying the teachings of the present invention.
Fig. 2 is an enlarged cross sectional view on line 2-.-2 of Fig. 1, the cut ofi blade cylinder being shown in the association with other portions of a typical cut off machine assembly and with the cut offblade in position at the: moment of cut off.
Fig. 3 is a view similar to Fig. 2 showing the relationship of the cut off cylinder after cut off.
Claims. (01. 164-66) 2 Fig. 4 is a sectional view of a cut off cylinder illustrating a modified form of the invention.
Fig. 5 is a view similar to Fig, 4 illustrating still another modification of the invention. 1
With particular reference now to Fig. 1, them].- meral I0 denotes generally a cut oil cylinder such as used in the printing industry, said cylinder including a transversely extending blade I2 having a cutting edge I4 projecting outwardly beyond the outer periphery l 6 of the cylinder.
As best illustrated in Fig. 2, the cutting edge M of blade I2 is adapted to make-kissing contact with the cutting edge of a fixed blade l8 for there.- by severing a continuous web 20 into a plurality of individual sheets22, which sheets will be deposited in echelon relationship upon a suitable support 24 thence onto the upper reach 26 of an endless conveyor denoted generally by the numeral 28.
The present invention is neither 'directed'to nor concerned with the specific structural details of the cylinder or its blade, these devices being old and well known to the art.
The present invention is directed to the provision of simple, highly effective means for inducing a steady flow or current of air for positively deflecting the free outer, or leadin edge 40 of the next sheet to be severed from web 22: downwardly, that is, away from cylinder l0 and toward the upper face of the preceding sheet severed by blade I2 on the preceding revolution of the cylinder.
Such means may comprise a plurality of laterally spaced conduits or passageways 42 each having an inlet endv 44 in the periphery of the cylinder immediately forwardly of bladev I2, and an outlet port 46 in the cylinder periphery adjacent the rear end 62 of blade l2. Such a conduit'or passageway may be provided in the body of cylinder l!) by a milling or any other conventional operation.
Suitable means are provided immediately in advance of the outer or forward end 50 of blade I2 fOr scooping air into conduit 42 incident to rotation of cylinder l0.
As illustrated in Figs. 2, 3 and 5, such means may comprise an elongate panel 52 mounted between adjacent portions of cylinder I0 and rear face 54 of the blade, wherein the term rear face amount less than the amount by which cutting edge IA of the blade projects from periphery 16.
If desired, panel 52 may be securely though releasably anchored by means of a plurality of bolts 60 which extend through suitable apertures in blade l2 for engaging tapped holes provided in cylinder It. It will be noted that the same means are thus utilized for anchoring panel 52 as are utilized to mount blade l2 relative to the cylinder.
In the preferred embodiment lot the invention discharge ports'46 are disposed immediately adjacent inner or rear end 62 of blade I2 for thereby dischargin the air scooped into conduit-542. as close to blade 12 as possible.
With reference now to Fig, 3, it will beobserved that a current of air denoted-generally:byrthe headed arrows 70 will enter conduitfi. .at'inlet 34, and be discharged via outlet 46, thereby positively deflecting the leading endttl ofithe-next sheetto be severed from web 20 downwardly toward the upper surface of the previously severedislieetifl.
With reference nowto Fig. 4, it will be noted 1 that-the scooping means; may,. if desired;-tcomprise asubstantially L-sha-pedmember :18, one ileg '5 180 of. which is secured to and-carried. by'the-outer or forwardendalitof blade -12 such as by means :.,of: set screws .82- or. the like; for therebydisposing 1 its otherlegfifl alongiand as a continuation of the -srear face 54 of the-b1ade;which-rear face maybe 1 described as that sidenfthe bladeremote-from l cutting edge 1 4. The air-scooping characteristics of leg 84 aresimilar to those of portion 58-of 1 panel 52.
.xItwill .be-noted -that' adjustment of. blade J2 arelative to cylinder-| maybe at all times aaccomplished bymeans of bolts fifl.
Themodified formrof theinvention illustrated ;-.=.-in"Fig. isthe-same; in constructionas theconstructionshown in Eigs. 1, 2 and 3;:exceptthat it includes means-in: the .formof a-.bolt:35 foreffecting endwise adjustment of the blade 12 relative :to. theicylinder.
:"From the foregoing, it will be noted that I have tthustprovided :simple; yet highly. eifective, fully automatic, non-mechanical-means for inducinga'current of air; incident to rotation of the blade cylinder,- to: deflect :the leading edge 'of the: next pl-sheetto be severed from a continuous web :20.
i Inthepreferred embodiment ofthe'invention Irprovide a plurality of laterally-spaced conduits 142,-'one' between eachblade 'holding bolt 60; it ;.being noted that each conduit r-extends alongthe rear facee54. and rear ends 62 of the blade.
' inorder to enable -:others to practice my invention without having to resort to experimentation,
I have found; that excellent results are obtained; when the width" of the conduits approximates cone-half yinch' and :when the i depth varies from three-eighths of one inchaat the inlet: end :to acne-eighth inch :along .the rear face :of the blade atritsrear. edge.
It :should' be; understoodj'thatvarious. changes .and: modificationsmay be :made-in the: structural details "of :the device, within'thescope of .Zthe. appended: claims, without departing. from ,the'.spirit'of the invention.
-1What isclaimedis: 1. In combination with a cut ofi bladercylinllader' =for scooping airincidentto rotation of the cylinder,- and means interconnecting portions of the cylinder immediately in advance of said first vmentioned means with portions of the cylinder periphery at the end of the blade opposite its cutting edge for discharging air scooped by said first 1 mentioned meanserearwardly of said blade.
Y 2.1ncom'bination with a cut off blade cylin- "der ofthe type which includes a transversely extending .blade having a cutting edge projecting outwardly beyond the outer periphery of the cyl- -"inder; of means on the cylinder disposed in advance of said cutting edge and projecting out- :wardly :beyond the outer peripheryiof.the:cylinder .afor scooping air incident to rotation of .thenylinder, said cylinder provided with a plurality :of
1 laterally-spaced conduits leading from andinterconnecting portions .of the cylinder immediately in advance of *saidmeans with portions .of the of air induced therethrough'incident'to rotation Y of thecylinder.
3. A cut on blade cylinder as definedin and -:'by'claim 2, whereinsaidair scooping means com- 5 prises an elongate panel-mounted between ad- :jacent portions :ofthe cylinder andr'blade.
1.4.- A- cut-off bladeycylinder as definedin and by claim 2, wherein-said.airscooping'means :com-
prises azsubstanti'ally. L-shapedimember one leg -"of which:is-.5ecured to and 'carried by the blade for. :locating'ithe: other legalong. and; as a .coni tinua-tioniiof .ithat-side of .the blade remote .from
1, its .cuttingedge.
.- 5.;In.combinationi'with a cut off blade cylin- "gderiof :thel typewhich includes a transversely :extendingblade having a cutting edge projecting outwardly 'beyondthe outer periphery of the cylinder, of means onthe cylinder disposed in ad- :vance 10f said'cutting edge and projecting outwardlybeyond the outer periphery of the cylinder for scooping airincident to rotation of the cylinder, isaidycylinder providedwith a plurality .of laterally spaced conduits leading from and interconnecting portions 'of the cylinder imme- .;diately;in adv.ance of said means with portions of thecylinderperiphery at the end of the blade oppositefitscutting edge and arranged to have .zfiow. ofiairrinduced .therethrough incident to ro- ;;tation :of. the cylinder, Wherein'the width of each conduit issubstantially uniform and wherein the depth uniformly yariesfrom a maximum depth zzadjacentLthexinletzend to a minimum depth at therearendtoi the blade.
HERMAN A. DOPPLEB.
REFERENCES CITED The following references are of record in the "file ofthis patent:
UNITED STATES PATENTS 1 Number Name Date 1,015,836 I Read Jan. 30, 1912 1,139,528 Huffman May 18, 1915 1,661,721 I Gardner Mar. 6, 1928 .i,2,'011',505 I Smith Aug/13,1935
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769495A (en) * 1953-07-01 1956-11-06 John Waldron Corp Web cutting and sheet delivery and stacking mechanism
US3030841A (en) * 1958-12-18 1962-04-24 Koppers Co Inc Blade mounting
US3063212A (en) * 1960-10-20 1962-11-13 Possis Machine Corp Taping machine
US3198046A (en) * 1963-02-20 1965-08-03 Clark Aiken Company Method and apparatus for handling sheets cut from a web
US3921481A (en) * 1973-07-10 1975-11-25 Leesona Corp Method and apparatus for noise suppression
WO1998035899A1 (en) * 1997-02-14 1998-08-20 Didde Web Press Corporation Sheeter having non-top surface contact sheeting and shingling mechanism
US20130118330A1 (en) * 2011-11-11 2013-05-16 Akira Sago Rotary cutter mechanism
US20180200910A1 (en) * 2015-07-22 2018-07-19 Cps Company S.R.L. Device with quick change blades, for transverse cutting or perforation, for the whole of the width and progressively, of moving webs of paper, plastic or other materials

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1015836A (en) * 1910-05-06 1912-01-30 Hoe & Co R Means for controlling and directing moving sheets or webs.
US1139528A (en) * 1915-05-18 Louis Huffman Web-cutting mechanism
US1661721A (en) * 1926-02-19 1928-03-06 Gardner Charles Edward Apparatus for grinding or comminuting rubber and other materials
US2011505A (en) * 1933-09-16 1935-08-13 Smith Walter Harold Paper cutting and delivery mechanism for web cylinder lithographing or printing presses

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1139528A (en) * 1915-05-18 Louis Huffman Web-cutting mechanism
US1015836A (en) * 1910-05-06 1912-01-30 Hoe & Co R Means for controlling and directing moving sheets or webs.
US1661721A (en) * 1926-02-19 1928-03-06 Gardner Charles Edward Apparatus for grinding or comminuting rubber and other materials
US2011505A (en) * 1933-09-16 1935-08-13 Smith Walter Harold Paper cutting and delivery mechanism for web cylinder lithographing or printing presses

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769495A (en) * 1953-07-01 1956-11-06 John Waldron Corp Web cutting and sheet delivery and stacking mechanism
US3030841A (en) * 1958-12-18 1962-04-24 Koppers Co Inc Blade mounting
US3063212A (en) * 1960-10-20 1962-11-13 Possis Machine Corp Taping machine
US3198046A (en) * 1963-02-20 1965-08-03 Clark Aiken Company Method and apparatus for handling sheets cut from a web
US3921481A (en) * 1973-07-10 1975-11-25 Leesona Corp Method and apparatus for noise suppression
US4000670A (en) * 1973-07-10 1977-01-04 Leesona Plastics Machinery Ltd. Method and apparatus for noise suppression
WO1998035899A1 (en) * 1997-02-14 1998-08-20 Didde Web Press Corporation Sheeter having non-top surface contact sheeting and shingling mechanism
US20130118330A1 (en) * 2011-11-11 2013-05-16 Akira Sago Rotary cutter mechanism
US9533425B2 (en) * 2011-11-11 2017-01-03 Brother Kogyo Kabushiki Kaisha Rotary cutter mechanism
US20180200910A1 (en) * 2015-07-22 2018-07-19 Cps Company S.R.L. Device with quick change blades, for transverse cutting or perforation, for the whole of the width and progressively, of moving webs of paper, plastic or other materials

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