WO2007109643A2 - Ensemble de positionnement de courroie d'alimentation - Google Patents

Ensemble de positionnement de courroie d'alimentation Download PDF

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Publication number
WO2007109643A2
WO2007109643A2 PCT/US2007/064352 US2007064352W WO2007109643A2 WO 2007109643 A2 WO2007109643 A2 WO 2007109643A2 US 2007064352 W US2007064352 W US 2007064352W WO 2007109643 A2 WO2007109643 A2 WO 2007109643A2
Authority
WO
WIPO (PCT)
Prior art keywords
machine
feed
feed belt
adjustment mechanism
outside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2007/064352
Other languages
English (en)
Other versions
WO2007109643A3 (fr
Inventor
William L. Popejoy
Perry D. Bergman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thiele Technologies Inc
Original Assignee
Thiele Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thiele Technologies Inc filed Critical Thiele Technologies Inc
Priority to US12/293,191 priority Critical patent/US20090206542A1/en
Publication of WO2007109643A2 publication Critical patent/WO2007109643A2/fr
Anticipated expiration legal-status Critical
Publication of WO2007109643A3 publication Critical patent/WO2007109643A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G59/00—De-stacking of articles
    • B65G59/06—De-stacking from the bottom of the stack
    • B65G59/067—De-stacking from the bottom of the stack articles being separated substantially perpendicularly to the axis of the stack
    • B65G59/068—De-stacking from the bottom of the stack articles being separated substantially perpendicularly to the axis of the stack by means of endless elements

Definitions

  • a wide variety of friction sheet feeding machines are available for feeding individual sheets from the bottom of an essentially vertical stack of sheets. Exemplary friction sheet feeding machines are shown and described in United States Patents Nos. 4,991,831, 5,143,365, 5,244,198, 5,642,877, 5,772,199 and 6,932,338.
  • These machines typically include (i) a tray for holding a stack of sheets in an essentially vertical position, (ii) a nip for feeding a lowermost sheet from the stack, (iii) a driven friction roller or feed belt for contacting the downward facing major surface of the lowermost sheet in the stack and pulling the lowermost sheet from underneath the sheet stack towards the nip, and (iv) a friction retard surface positioned above the driven friction roller for contacting the leading edge(s) and any exposed upward facing major surface(s) of the sheet(s) positioned directly above the lowermost sheet for retarding advancement of the sheet(s) directly above the lowermost sheet and thereby facilitating separation of the lowermost sheet from the immediately overlying sheet prior to introduction of the lowermost sheet into the feed nip.
  • Friction sheet feeding machines need to be sufficiently versatile to feed sheets over a wide range of lengths and widths. In order to accommodate the feeding of sheets over a wide range of widths, the machines typically employ a plurality of laterally spaced and laterally adjustable feed belts. While generally effective for expanding the versatility of the machine, lateral adjustment of the conveyor belts tends to be awkward, cumbersome and potentially dangerous. [0005] Accordingly, a need exists for a friction sheet feeding machine having a plurality of feed belts which may be quickly, easily and safely laterally repositioned for accommodating the feeding of sheets over a wide range of sheet widths.
  • a first aspect of the invention is a friction sheet feeding machine for feeding individual sheets from a stack of sheets in a longitudinal direction.
  • the machine includes (i) a feed belt system, and (ii) an adjustment mechanism.
  • the feed belt system includes a plurality of laterally spaced feed belts for feeding individual sheets from a stack of sheets in a longitudinal direction.
  • the adjustment mechanism is effective for permitting selective lateral repositioning of at least one of the feed belts relative to at least one other feed belt.
  • a second aspect of the invention is a method of laterally repositioning at least one feed belt on a friction sheet feeding machine having a feed belt system for adjusting the effective width of the feed belt system.
  • a first embodiment of the second aspect of the invention comprises the steps of (i) obtaining a friction sheet feeding machine for feeding individual sheets from a stack of sheets in a longitudinal direction, comprising: (A) a feed belt system including a plurality of laterally spaced feed belts for feeding individual sheets from a stack of sheets in a longitudinal direction, and (B) an adjustment mechanism for permitting selective lateral repositioning of at least one of the feed belts relative to at least one other feed belt, and (ii) actuating the adjustment mechanism to laterally reposition at least one of the feed belts relative to at least one other feed belt.
  • a second embodiment of the second aspect of the invention comprises the steps of (i) obtaining a friction sheet feeding machine for feeding individual sheets from a stack of sheets in a longitudinal direction, comprising: (A) a feed belt system including a plurality of laterally spaced feed belts for feeding individual sheets from a stack of sheets in a longitudinal direction, and (B) an adjustment mechanism for permitting selective lateral repositioning of at least one of the feed belts relative to at least one other feed belt, (ii) loading a stack of sheets onto the machine, (iii) operating the machine to feed individual sheets from the stack of sheets loaded onto the machine, and (iv) actuating the adjustment mechanism to laterally reposition at least one of the feed belts relative to at least one other feed belt while the machine is operating.
  • Figure 1 is a perspective view of one embodiment of the invention.
  • Figure 2 is an exploded view of the invention shown in FIG. 1.
  • Friction sheet feeding machines 10 generally include a frame 20, a tray assembly (not shown), a gating assembly (not shown) and a drive assembly 30.
  • the machines 10 are capable of serially feeding individual sheets (not shown) in a longitudinal direction x from the bottom (unnumbered) of a generally vertical stack of sheets (not shown) retained within the tray assembly (not shown).
  • a typical configuration of the frame 20 is a generally rectangular frame 20 having (i) a generally horizontal base plate (not shown), (ii) a right side panel 21r extending upward from the base plate (not shown) and defining a right side 1Or of the machine 10, (iii) a left side panel 21s also extending upward from the base plate (not shown) and defining a left side 10s of the machine 10, (iv) a rear end plate (not shown) extending upward from the base plate (not shown) and laterally interconnecting the side panels 21r and 21s, (v) at least one lateral cross member (not shown) transversely spaced above the base plate (not shown) and interconnecting the side panels 21r and 21s for supporting the gating assembly (not shown), and (vi) a plurality of laterally extending support rods 26 extending between and interconnecting the side panels 21r and 21s.
  • FIG. 1 Exemplary frames 20 suitable for use are shown and described in United States Patents Nos. 4,991,831, 5,143,365, 5,244,198, 5,642,877, 5,772,199 and 6,932,338.
  • the tray assembly (not shown) is effective for holding a stack of individual sheets (not shown) in a substantially vertical position with a slight biasing of at least the lower portion (unnumbered) of the stack (not shown) towards the gating assembly (not shown) and the drive assembly 30.
  • One means for achieving the desired biasing of the stack is to incline the floor (not shown) of the tray assembly (not shown) towards the gating assembly (not shown) and the drive assembly 30.
  • Other means are known and may also be employed, such as a transversely extending strip (not shown) positioned within the tray assembly (not shown) for supporting the trailing edges (not shown) of the sheets (not shown) in the stack (not shown) wherein the lower portion (unnumbered) of the support strip (not shown) is curved towards the gating assembly (not shown) and the drive assembly 30.
  • Suitable tray types, styles and configurations are shown and described in United States Patents Nos. 4,991,831, 5,143,365, 5,244,198, 5,642,877, 5,772,199 and 6,932,338.
  • a typical gating assembly (not shown) includes a friction retard roller (not shown) driven by an auxiliary electric motor (not shown) for contacting the upward facing major surface (not shown) of sheets (not shown) as they approach the friction feed belts 60 for assisting in separation of a lowermost sheet (not shown) from the immediately overlying sheet (not shown) to prevent the simultaneous feeding of multiple sheets (not shown).
  • Typical gating assemblies are shown and described in United States Patents Nos. 4,991,831, 5,143,365, 5,244,198, 5,642,877, 5,772,199 and 6,932,338.
  • the drive assembly 30 includes a primary drive motor (not shown) and a friction feed roller 50 driven by the primary drive motor (not shown).
  • the friction feed roller 50 drives friction feed belts 60 which contact the sheets (not shown).
  • the drive assembly 30 on friction sheet feeding machines 10 typically includes a conveyor system (not shown) downstream from the friction feed belts 60 for receiving individual sheets (not shown) fed from the sheet stack (not shown) by the friction feed belts 60 and conveying the fed sheets (not shown) to the desired location, typically a conveyor belt (not shown) timed to receive and collate sheets (not shown) fed from several aligned friction sheet feeding machines 10.
  • a suitable drive assembly 30 includes a primary drive motor (not shown), and a plurality of longitudinally x aligned laterally y spaced friction feed belts 6Oi, 6Or and 60s, each mounted onto a driven friction feed roller 50 and an idler roller (not shown) longitudinally x spaced from the friction feed roller 50.
  • the friction feed roller 50 is rotatably attached to the side panels 21r and 21s.
  • the idler roller extend parallel with the friction feed roller 50 and is rotatably attached to the side panels 21r and 21s.
  • the friction feed roller 50 is driven by the primary drive motor (not shown) via drive belt 40.
  • the friction sheet feeding machine 10 is provided with a lateral spacing adjustment mechanism 200 for permitting selective lateral y repositioning of one or more feed belts 60.
  • the specific embodiment depicted in FIGs 1 and 2 permits selective and independent lateral y repositioning of the outside feed belts 6Or and 60s.
  • each of the feed belts 60 is controlled by a position control carriage 210 (i.e., the lateral y position of the intermediate feed belt 6Oi is controlled by an intermediate carriage 21Oi, the lateral y position of the right outside feed belt 6Or is controlled by a right carriage 21Or and the lateral y position of the left outside feed belt 60s is controlled by a left carriage 210s).
  • Each carriage 210 has a pair of transversely z extending and laterally y spaced guide pins 211 carrying a rotatable sleeve 212.
  • the guide pins 211 project upward from the position control carriage 210 for accommodating passage of the return portion (unnumbered) of a respective feed belt 33 therebetween.
  • Each position control carriage 210 has a laterally extending channel 219 along the bottom (unnumbered) of the carriage 210 for slidably engaging a laterally y extending guide bar 220.
  • the guide bar 220 extends between the side panels 21r and 21s and is mounted to the frame 20 via mounting blocks 230.
  • the intermediate carriage 21Oi is rigidly attached to the guide bar 220 by machine screw 221, thereby preventing lateral y sliding of the intermediate control carriage 21Oi along the guide bar 220.
  • the repositionable carriages 21Or and 210s each have a lateral bore 218 extending completely through the carriage 21Or and 210s.
  • a right worm screw 26Or extends completely through the lateral bore 218r in the right carriage 21Or and a left worm gear 260s extends completely through the lateral bore 218s in the left carriage 210s.
  • the worm screws 26Or and 260s are spirally threaded for cooperatively engaging a follower pin 215 extending into the lateral bore 218 in each of the repositionable carriages 21Or and 210s, whereby rotation of the worm screw 26Or and 260s causes the repositionable carriage 21Or and 210s to travel along the length of the rotated worm screw 26Or and 260s, respectively.
  • the distal ends 262 of the worm screws 26Or and 260s are rotatably supported within a lateral bore 218i in the intermediate carriage 21Oi.
  • a threaded bore 269 is provided in the proximal ends 261 of each worm screw 26Or and 260s for attachment of a corresponding knob 25Or and 250s, for effecting independent manual rotation of the worm screws 26Or and 260s by rotation of the corresponding knob 25Or and 250s.
  • the knobs 25Or and 250s are rotatably supported by stanchions 24Or and 240s mounted proximate the lateral y ends 22Or and 220s of the guide bar 220 by machine screws 222r and 222s respectively.
  • Bearings 281 are preferably provided at each end (unnumbered) of each bore 219 through each carriage 210 to facilitate rotation of the worm screws 26Or and 260s relative to the carriages 210.
  • An e-clip 270 can be provided on each worm screw 26Or and 260s proximate the distal end 262 of the worm screw 26Or and 260s for serving as a stop to continued inward travel of the repositionable carriages 21Or and 210s along the length of the corresponding worm screw 26Or and 260s.
  • Other mechanical stops are well known to those of routine skill in the art and may be substituted for the e-clip stop 270 shown and described.
  • the friction sheet feeding machine 10 of the present invention is used to feed individual sheets (not shown) from the bottom (not shown) of an essentially vertical stack of sheets (not shown) by loading a stack of sheets (not shown) onto the tray (not shown) of the machine 10, and (ii) rotating the right knob 25Or as necessary and appropriate to move the right carriage 21Or and thereby the right side feed belt 6Or so that the right side feed belt 6Or contacts the sheets (not shown) fed from the machine 10 along a right side margin (not shown) of the sheet (not shown), and (ii) rotating the left knob 250s as necessary and appropriate to move the left carriage 210s and thereby the left side feed belt 60s so that the left side feed belt 60s contacts the sheets (not shown) fed from the machine 10 along a left side margin (not shown) of the sheet (not shown).
  • the repositionable carriages 21Or and 210s can be repositioned before or during use of the machine 10 to feed sheets (not shown). Since the knobs 25Or and 250s are located on the outside of the panels 2 Ir and 21s respectively, and only interact with the drive assembly 30 via contact between the rotatable sleeves 212 on the adjustable carriages 21Or and 210s and the outside feed belts 6Or and 60s, a user may safely interface with the knobs 25Or and 250s and repositioned the outside feed belts 6Or and 60s even while the machine 10 is operating.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Advancing Webs (AREA)
  • Handling Of Sheets (AREA)

Abstract

L'invention concerne un mécanisme de réglage à utiliser sur une machine d'alimentation en feuille à friction afin de permettre le repositionnement latéral sélectif d'une courroie d'alimentation se trouvant sur la machine par rapport à au moins une autre courroie d'alimentation située sur la machine.
PCT/US2007/064352 2006-03-20 2007-03-20 Ensemble de positionnement de courroie d'alimentation Ceased WO2007109643A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/293,191 US20090206542A1 (en) 2006-03-20 2007-03-20 Feed belt positioning assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78412006P 2006-03-20 2006-03-20
US60/784,120 2006-03-20

Publications (2)

Publication Number Publication Date
WO2007109643A2 true WO2007109643A2 (fr) 2007-09-27
WO2007109643A3 WO2007109643A3 (fr) 2009-05-22

Family

ID=38523240

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/064352 Ceased WO2007109643A2 (fr) 2006-03-20 2007-03-20 Ensemble de positionnement de courroie d'alimentation

Country Status (2)

Country Link
US (1) US20090206542A1 (fr)
WO (1) WO2007109643A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9221629B1 (en) 2012-09-28 2015-12-29 Superior Paper Handling Solutions, Inc. Friction feeder
US10640312B2 (en) 2017-12-21 2020-05-05 Superior Product Handling Solutions, Inc. Friction feeding separating system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1437744A (en) * 1922-02-07 1922-12-05 Berenson Israel Guide for positioning sheets of paper
US3860232A (en) * 1971-07-08 1975-01-14 Merrill David Martin Adjustable stacker layboy
JPS5394563A (en) * 1977-01-31 1978-08-18 Matsushita Electric Works Ltd Anti-static treatment of melamine-impregnated paper
JPS54144665A (en) * 1978-04-30 1979-11-12 Masaharu Matsuo Paper feeder
US4603846A (en) * 1984-10-03 1986-08-05 Micheal Miles Dual-stream envelope feeder
DE4013302A1 (de) * 1990-04-26 1991-10-31 Koenig & Bauer Ag Vorrichtung zum foerdern eines insbesondere geschuppten stroms von bogen
KR0147925B1 (ko) * 1995-08-10 1998-12-01 우석형 스태플러 소터의 용지정렬 및 스태플링장치
AU691158B3 (en) * 1998-03-19 1998-05-07 Umax Data Systems Inc. Paper-loading mechanism for a document duplicating machine
KR100480463B1 (ko) * 1998-09-17 2005-09-12 주식회사신도리코 용지후처리장치
JP4121209B2 (ja) * 1999-02-26 2008-07-23 東北リコー株式会社 画像形成装置における給紙装置
DE10046812A1 (de) * 2000-09-21 2002-04-18 Heidelberger Druckmasch Ag Einrichtung zum Verstellen von Fördereinrichtungen für flächige Exemplare in Rotationsdruckmaschinen
US6427097B1 (en) * 2000-09-26 2002-07-30 Martin Family Trust Conveyor autoset layboy machine
US7624978B2 (en) * 2005-03-16 2009-12-01 Kaiping James C Sheet feeder with feed belts that move toward an away from each other

Also Published As

Publication number Publication date
WO2007109643A3 (fr) 2009-05-22
US20090206542A1 (en) 2009-08-20

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