US2529184A - Web threader for winder machines - Google Patents

Web threader for winder machines Download PDF

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Publication number
US2529184A
US2529184A US115939A US11593949A US2529184A US 2529184 A US2529184 A US 2529184A US 115939 A US115939 A US 115939A US 11593949 A US11593949 A US 11593949A US 2529184 A US2529184 A US 2529184A
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Prior art keywords
drum
web
belt
rolls
winder
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Expired - Lifetime
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US115939A
Inventor
Charles M Pearson
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Bagley & Sewall Co
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Bagley & Sewall Co
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Priority to US115939A priority Critical patent/US2529184A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2246—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being supported on two rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine

Definitions

  • This invention relates to a web threading device for drum winders commonly employed to wind the web of paper coming off from a paper making machine into rolls.
  • the web is trained about a portion of the periphery of a relatively large drum.
  • the leading end of the web is attached to a roll riding freely on the drum; That is, the roll being wound is supported on the drum or, in some instances, it is supported-lon two drums journalled in close relationship.
  • the invention has as an object a, threading device which functions to thread the leading portion of the web about the supporting drum, especially where the web is fed about the under side or portion of the drum and then upwardly to the winding roll, the device embodying a simple and rugged construction which normally does not engage the paper web or the drum and which is movable into engagement with the paper web to effectively direct it about the drumfand upwardly to the winding roll.
  • the invention consists in the novel ⁇ 'features and in the combinations and constructions hereinafter set forth and claimed. f
  • Figure 1 is an end elevational View of a web threading device embodying my invention with the supporting drums and winding roll being shown in dotted outline.
  • Figure 2 is a side elevational view of the structure shown in Figure l.
  • Figure 3 is a sectional view on line 3-3, Figure 2.
  • Figure 4 is a sectional view on line 4-4, Figure 2.
  • the device consists of a suitable frame arranged in juxtaposition to and below the winding drum.
  • a pair oi rollers are journalled in the frame.
  • An endless belt is trained over these rollers.
  • the rollers extend parallel to the drum and are movable toward and from the drum to bring the upper run of the belt into engagement with the lower portion of the periphery of the drum, whereby the belt is driven by such engagement and is effective to draw the free end of the web between the belt and the under side of the drum.
  • the rollers and the belt extend an appreciable distance lengthwise of the winding drum, and the frame carries means to direct a blast of air against the free end of the web as it leaves the threading belt to maintain it against the periphery of the drum as the web is carried upwardly to the winding roll.
  • the frame consists of a base member I! having pedestals II mounted on each end thereof and extending upwardly therefrom.
  • the upper ends of the pedestals II are aperturedto form bearings in which spindles I3 are journalled.
  • spindles I3 constitute extensions from a roll I4.
  • a pair of arms I5 having bosses I6 journalled on the spindles I3 extend forwardly under the windyer drum I'I, and have journalled between their and is formed with downwardly curved edges 23.
  • the plate 22 serves as a support to maintain the lower run 24 of the belt straight or tangential to the rolls I4, I8. This permits the slack to form in the upper run 25 of the belt.
  • a conduit in the form of pipe 28 is arranged vbetween the pedestals II and in proximity to the discharge end of the belt or roll I4.
  • the pipe 28 is formed with a plurality of apertures 30 arranged to direct a blast or sheet of air against thel leading end of the web as it leaves the belt and causes it to adhere to the periphery of the drum I'I as it passes from between the belt and the drum.
  • a second conduit in the form of the hollow casting 3I is mounted upon the pedestals II.
  • the side 32, of the casting 3l, confronting the surface of the drum is curved upwardly concentric with the periphery of the drum and is formed with a plurality of elongated slots 33.
  • Air, or steam, is fed to the interior of the casting 3
  • a sheet of compressed air is directed upwardly about the periphery of the drum, the surface 32 of the casting serving to direct the sheet upwardly and conne it against the periphery of the drum, whereby the leading end of the web is directed between the Winder drum I'I and the winder roll 36.
  • the device described is adapted to be mounted under conventional Web Winders now in operation, and is effective to efficiently thread the Web about the Winder drum to the Winder roll.
  • a web threading device for drum Winders comprising a frame, a pair of rolls journalled in the frame in parallel spaced relation .and With the axes of said rolls extending parallel to the axis of the Winder drum, an endless belt trained over said rolls, a support positioned intermediate said rolls for supporting the lower run of said belt and maintaining the upper run of the' belt slackA and out of engagement With the surface of the Winder drum, power means operable to move atleast one of said rolls toward the drum to bring a portion Vof the upper slack run of the belt into engagement with the periphery of the drum, said belt being driven by such engagement and-operable to feed a web about the periphery of the drum, and means carried by the frame in juxtaposition to the discharge end of said belt and operable to discharge an air blast against the leading end of the Web and maintain the same in engagement With the periphery of the drum.
  • a Web threading device for drum Winders comprising a frame, a pair of rolls journalled in the frame in parallel spaced relation with the engagement With the periphery of the drum, said l belt being driven by such engagement and operable to feed a web about the periphery of the drum, means carried by the frame in juxtaposition toY said pivot and operable to direct a blast of. air against the leading edge of lthe web to force the same. against the periphery of the drum.
  • a web threading device for drum Winders comprising a frame, a pair of rolls journalled in the frame in parallel spaced relation and with the axis of said rolls extending parallel to the axis of the Winder drum, an endless belt trained over said rolls, a support positioned intermediate said rolls for supporting the lower run of the axisof said rolls extending parallel to the axis of the Winder drum, an endless belt trained over said rolls and having anj appreciable amount of slack,a support positioned intermediate said rolls for supporting the lower run of the belt sub-1.4 stantially tangentialv to said rolls and maintaining the upperv run of the beltslack and out of vengagement-With the surfaceof the Winder drum, power'means operable to Umove at least one ofY said rolls toward the drum to ⁇ bring a'portion of the upper slack run of the belt into engagement With the periphery ofthe drum, said belt vbeing driven by such engagement and operablev to feed a Web about the periphery of the drum
  • a Web threading device for drum Winders' comprising a frame, a Vpair of rolls journalled in the frame in parallel spaced relation in juxtapo-n y sition to the lower portion of the Winder drum, ,Y the axis vofv- .said rolls yextending parallel to the axis of the Winderv drum, an endless Abelt trainedl over said rolls, means cooperable to maintain., slack in theupper run of said belt and to maintain -the same out of engagement
  • power ⁇ means oper-: able to move said rolls toward the drum to -bringfV a portion of.

Description

Nov. 7, 1950 C. M. PEARVSON WEB THREADER FOR WINDER MACHINES 3 Sheets-Sheet 1 Filed Sepr.. l5, 1949 M .w w m@ w M ma A N/r z M i @W Nov. 7, 195,0 c. M. PEARsoN WEB THREADER FOR wINDER MACHINES 3 Sheets-Sheet 2 Filed Sept. 15, 1949 JNVENTOR. H/LiJ/Y/Di/won/ BY Ab rneys.
NOV 7,' 1950 c. M. PEARsoN 2,529,184
WEB THREADER FOR WINDER MACHINES Filed sept. 15, 1949v s sheets-sheet s BVM# ZZWQMW Aw ways,
Patented Nov. 7, 1950 WEB THREADER Foa WINDER MACHINES Charles M. Pearson, Watertown, N. Y., assignor to The Bagley & Sewall"C0mpany, Watertown, N. Y., a corporation of New York Application September 15, 1949, Serial No. 115,939
claims. (C1. er1-2.1)
This invention relates to a web threading device for drum winders commonly employed to wind the web of paper coming off from a paper making machine into rolls. The web is trained about a portion of the periphery of a relatively large drum. The leading end of the web is attached to a roll riding freely on the drum; That is, the roll being wound is supported on the drum or, in some instances, it is supported-lon two drums journalled in close relationship.
The invention has as an object a, threading device which functions to thread the leading portion of the web about the supporting drum, especially where the web is fed about the under side or portion of the drum and then upwardly to the winding roll, the device embodying a simple and rugged construction which normally does not engage the paper web or the drum and which is movable into engagement with the paper web to effectively direct it about the drumfand upwardly to the winding roll.
The invention consists in the novel `'features and in the combinations and constructions hereinafter set forth and claimed. f
In describing this invention, reference is had to the accompanying drawings in which like characters designate corresponding parts in all the views.
Figure 1 is an end elevational View of a web threading device embodying my invention with the supporting drums and winding roll being shown in dotted outline.
Figure 2 is a side elevational view of the structure shown in Figure l.
Figure 3 is a sectional view on line 3-3, Figure 2.
Figure 4 is a sectional view on line 4-4, Figure 2.
The device consists of a suitable frame arranged in juxtaposition to and below the winding drum. A pair oi rollers are journalled in the frame. An endless belt is trained over these rollers. The rollers extend parallel to the drum and are movable toward and from the drum to bring the upper run of the belt into engagement with the lower portion of the periphery of the drum, whereby the belt is driven by such engagement and is effective to draw the free end of the web between the belt and the under side of the drum. The rollers and the belt extend an appreciable distance lengthwise of the winding drum, and the frame carries means to direct a blast of air against the free end of the web as it leaves the threading belt to maintain it against the periphery of the drum as the web is carried upwardly to the winding roll.
The frame consists of a base member I!) having pedestals II mounted on each end thereof and extending upwardly therefrom. The upper ends of the pedestals II are aperturedto form bearings in which spindles I3 are journalled. The
spindles I3 constitute extensions from a roll I4.
A pair of arms I5 having bosses I6 journalled on the spindles I3 extend forwardly under the windyer drum I'I, and have journalled between their and is formed with downwardly curved edges 23. v"The plate 22 serves as a support to maintain the lower run 24 of the belt straight or tangential to the rolls I4, I8. This permits the slack to form in the upper run 25 of the belt.
Normally the arms I 5 and the structure carried thereby are positioned so that the upper slack run of the belt 25 is spaced downwardly from the periphery of the Winder drum II, as shown in Figure 3. When it is desired to thread a web 26 about the Winder drum I'I, fluid is supplied to the bottom of the cylinder 2l, whereby the piston rod 20 moves the arms I5 about the spindle I3, elevating the roll I8 to the dotted line position 21, Figure 1, and bringing the upper slack run 25 of the belt into engagement with the drum Il. This engagement causes the belt to be driven about the rolls Iii-I8. The end of the web 26 is then fed between the belt and the drum.
A conduit in the form of pipe 28 is arranged vbetween the pedestals II and in proximity to the discharge end of the belt or roll I4. The pipe 28 is formed with a plurality of apertures 30 arranged to direct a blast or sheet of air against thel leading end of the web as it leaves the belt and causes it to adhere to the periphery of the drum I'I as it passes from between the belt and the drum.
A second conduit in the form of the hollow casting 3I is mounted upon the pedestals II. The side 32, of the casting 3l, confronting the surface of the drum is curved upwardly concentric with the periphery of the drum and is formed with a plurality of elongated slots 33. Air, or steam, is fed to the interior of the casting 3| through a supply pipe 34'. With this arrangement, a sheet of compressed air is directed upwardly about the periphery of the drum, the surface 32 of the casting serving to direct the sheet upwardly and conne it against the periphery of the drum, whereby the leading end of the web is directed between the Winder drum I'I and the winder roll 36.
When the web has been fed to the Winder roll 36, the fluid is released from the cylinder 2|, permitting the arms I5 to swing downwardly the web. VThis vprevents 'any damage to the Web'V during thewinding operation.
The device described is adapted to be mounted under conventional Web Winders now in operation, and is effective to efficiently thread the Web about the Winder drum to the Winder roll.
What claim is: Y
1. A web threading device for drum Winders comprising a frame, a pair of rolls journalled in the frame in parallel spaced relation .and With the axes of said rolls extending parallel to the axis of the Winder drum, an endless belt trained over said rolls, a support positioned intermediate said rolls for supporting the lower run of said belt and maintaining the upper run of the' belt slackA and out of engagement With the surface of the Winder drum, power means operable to move atleast one of said rolls toward the drum to bring a portion Vof the upper slack run of the belt into engagement with the periphery of the drum, said belt being driven by such engagement and-operable to feed a web about the periphery of the drum, and means carried by the frame in juxtaposition to the discharge end of said belt and operable to discharge an air blast against the leading end of the Web and maintain the same in engagement With the periphery of the drum. y
2k. `.rvl-ef.) threading device for drum Winders comprising a frame, a pair of arms pivotally mounted at like ends to the frame and extending in juxtaposition to the under side of the Winder drum, a pair of rolls journalled between the ends of said larms in parallel spaced relation, anendless belt trained over said rolls, a belt support carried by said arms and positioned intermediate said rolls and being cooperable to support the lower run of the belt and to maintain the upper run of the belt slack and normally out of engagement With the surface of the drum, means operable to move said arms abouttheir pivot toward and from the drum and bring a portion of the upper slack run of the belt into 4 belt and maintaining the upper run of the belt slack and out of engagement with the surface of the vinder;` drum, power means operable to move'at'least one of said rolls toward the drum tofbring a portion of the upper slack run of the belt into engagement With the periphery of the drum, said belt being driven` by such engagement and operable to feed a Web about the periphery 4. A Web threading device for drum Winders comprising a frame, a pair of rolls journalled in the frame in parallel spaced relation with the engagement With the periphery of the drum, said l belt being driven by such engagement and operable to feed a web about the periphery of the drum, means carried by the frame in juxtaposition toY said pivot and operable to direct a blast of. air against the leading edge of lthe web to force the same. against the periphery of the drum.
3. A web threading device for drum Winders comprising a frame, a pair of rolls journalled in the frame in parallel spaced relation and with the axis of said rolls extending parallel to the axis of the Winder drum, an endless belt trained over said rolls, a support positioned intermediate said rolls for supporting the lower run of the axisof said rolls extending parallel to the axis of the Winder drum, an endless belt trained over said rolls and having anj appreciable amount of slack,a support positioned intermediate said rolls for supporting the lower run of the belt sub-1.4 stantially tangentialv to said rolls and maintaining the upperv run of the beltslack and out of vengagement-With the surfaceof the Winder drum, power'means operable to Umove at least one ofY said rolls toward the drum to `bring a'portion of the upper slack run of the belt into engagement With the periphery ofthe drum, said belt vbeing driven by such engagement and operablev to feed a Web about the periphery of the drum, a conduit mounted on the framev in juxtaposition to the discharge end of the upper run of the v belt, said conduit being formed With an aperture directing a blast of gas against the leading end of the Web to maintainthe same in engagemen with the periphery of Athe-Winder drum. v
5. A Web threading devicefor drum Winders' comprising a frame, a Vpair of rolls journalled in the frame in parallel spaced relation in juxtapo-n y sition to the lower portion of the Winder drum, ,Y the axis vofv- .said rolls yextending parallel to the axis of the Winderv drum, an endless Abelt trainedl over said rolls, means cooperable to maintain., slack in theupper run of said belt and to maintain -the same out of engagement With the pe-g riphery of the .Wi-nderdrum, power `means oper-: able to move said rolls toward the drum to -bringfV a portion of. the upper slack run of the belt into engagement With the under sideof the drum,` and said beltl being driven bysuch engagement and operable to feed a Web aboutlthe periphery of.` the drum,a-conduitmounted on theframe in juxtaposition to the discharge end of the Lippeny run-of the belt and extendingparallel with the periphery of the drum, the confronting surface ofsaid conduit'being curved and concentric With the periphery of the drum 'and being formed With a plurality of apertures arranged. to direct a blast of air against the leading end of the Web to..
Vmaintain the same against the drum during the..
upward movement thereof.
No references cited.
US115939A 1949-09-15 1949-09-15 Web threader for winder machines Expired - Lifetime US2529184A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635872A (en) * 1949-04-20 1953-04-21 Birse James Means for feeding lengths of material between series of rollers
US2891736A (en) * 1956-06-06 1959-06-23 Viggo A Blaes Automatic tape threading device
DE1088339B (en) * 1957-12-18 1960-09-01 Jagenberg Werke Ag Device for unwinding the supply roll in paper processing machines, such as winder and rewinding machines
US2962200A (en) * 1953-10-15 1960-11-29 Int Standard Electric Corp Guiding means for a magnetic tape
US3142588A (en) * 1961-12-22 1964-07-28 Beloit Iron Works Coater rope threading device
US3146649A (en) * 1960-05-02 1964-09-01 Kimberly Clark Co Papermaking machine
US3189293A (en) * 1962-04-30 1965-06-15 Beloit Eastern Corp Radial flying splice mechanism
US3355349A (en) * 1964-12-14 1967-11-28 Andrew G Devlin Apparatus for conveying lead strip from driers to calenders in paper-making
US3529755A (en) * 1967-05-30 1970-09-22 Svenska Flaektfabriken Ab Method and a device for threading
US4491503A (en) * 1982-09-30 1985-01-01 Beloit Corporation Threading belt and threading system
US4610097A (en) * 1983-12-07 1986-09-09 J. M. Voith Gmbh Device for threading a transfer strip of a paper web through the drying cylinder section of a paper machine
US4706586A (en) * 1985-03-05 1987-11-17 Kochs Adler Ag Automatic sewing machine having a post-arranged reel
US5158648A (en) * 1988-09-26 1992-10-27 Weldon Scott B Apparatus for forming a movable threading tail
US5234549A (en) * 1988-09-26 1993-08-10 Weldon Scott B Apparatus for forming a movable threading tail
US5381982A (en) * 1992-11-04 1995-01-17 Beloit Technologies, Inc. Belted sheet transfer device
DE9414449U1 (en) * 1994-09-06 1996-01-11 Beloit Technologies Inc Winding machine
US5605267A (en) * 1995-05-09 1997-02-25 Heidelberger Druckmaschinen Ag Apparatus for automatically feeding the end of a web of material
US5679206A (en) * 1995-02-28 1997-10-21 The James River Corporation Of Virginia Apparatus and method for separating a tail from rolled material
DE29710225U1 (en) * 1997-06-13 1998-10-22 Beloit Technologies Inc Web insertion arrangement for a winding machine
DE19848812A1 (en) * 1998-10-22 2000-04-27 Voith Sulzer Papiertech Patent Device to place front end of paper length on reel-spool has placing unit to press paper length to surface of placing roller in front of winding gap
US6161792A (en) * 1997-11-14 2000-12-19 Voith Sulzer Finishing Gmbh Winding device including a support device and winding process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635872A (en) * 1949-04-20 1953-04-21 Birse James Means for feeding lengths of material between series of rollers
US2962200A (en) * 1953-10-15 1960-11-29 Int Standard Electric Corp Guiding means for a magnetic tape
US2891736A (en) * 1956-06-06 1959-06-23 Viggo A Blaes Automatic tape threading device
DE1088339B (en) * 1957-12-18 1960-09-01 Jagenberg Werke Ag Device for unwinding the supply roll in paper processing machines, such as winder and rewinding machines
US3146649A (en) * 1960-05-02 1964-09-01 Kimberly Clark Co Papermaking machine
US3142588A (en) * 1961-12-22 1964-07-28 Beloit Iron Works Coater rope threading device
US3189293A (en) * 1962-04-30 1965-06-15 Beloit Eastern Corp Radial flying splice mechanism
US3355349A (en) * 1964-12-14 1967-11-28 Andrew G Devlin Apparatus for conveying lead strip from driers to calenders in paper-making
US3529755A (en) * 1967-05-30 1970-09-22 Svenska Flaektfabriken Ab Method and a device for threading
US4491503A (en) * 1982-09-30 1985-01-01 Beloit Corporation Threading belt and threading system
US4610097A (en) * 1983-12-07 1986-09-09 J. M. Voith Gmbh Device for threading a transfer strip of a paper web through the drying cylinder section of a paper machine
US4686778A (en) * 1983-12-07 1987-08-18 J. M. Voith Gmbh Device for threading a transfer strip of a paper web through the drying cylinder section of a paper machine
US4706586A (en) * 1985-03-05 1987-11-17 Kochs Adler Ag Automatic sewing machine having a post-arranged reel
US5158648A (en) * 1988-09-26 1992-10-27 Weldon Scott B Apparatus for forming a movable threading tail
US5234549A (en) * 1988-09-26 1993-08-10 Weldon Scott B Apparatus for forming a movable threading tail
US5381982A (en) * 1992-11-04 1995-01-17 Beloit Technologies, Inc. Belted sheet transfer device
DE9414449U1 (en) * 1994-09-06 1996-01-11 Beloit Technologies Inc Winding machine
US5679206A (en) * 1995-02-28 1997-10-21 The James River Corporation Of Virginia Apparatus and method for separating a tail from rolled material
US5605267A (en) * 1995-05-09 1997-02-25 Heidelberger Druckmaschinen Ag Apparatus for automatically feeding the end of a web of material
DE29710225U1 (en) * 1997-06-13 1998-10-22 Beloit Technologies Inc Web insertion arrangement for a winding machine
US6161792A (en) * 1997-11-14 2000-12-19 Voith Sulzer Finishing Gmbh Winding device including a support device and winding process
DE19848812A1 (en) * 1998-10-22 2000-04-27 Voith Sulzer Papiertech Patent Device to place front end of paper length on reel-spool has placing unit to press paper length to surface of placing roller in front of winding gap

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