EP0775661A1 - Elément de transport pour des articles plans - Google Patents

Elément de transport pour des articles plans Download PDF

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Publication number
EP0775661A1
EP0775661A1 EP96117307A EP96117307A EP0775661A1 EP 0775661 A1 EP0775661 A1 EP 0775661A1 EP 96117307 A EP96117307 A EP 96117307A EP 96117307 A EP96117307 A EP 96117307A EP 0775661 A1 EP0775661 A1 EP 0775661A1
Authority
EP
European Patent Office
Prior art keywords
transport element
element according
grooves
carrier part
ring part
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.)
Withdrawn
Application number
EP96117307A
Other languages
German (de)
English (en)
Inventor
Arthur F.L. Hendrickx
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.)
ENBI NUTH BV
Original Assignee
ENBI NUTH BV
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 ENBI NUTH BV filed Critical ENBI NUTH BV
Publication of EP0775661A1 publication Critical patent/EP0775661A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/112—Means for varying cross-section
    • B65H2404/1122—Means for varying cross-section for rendering elastically deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/115—Details of cross-section or profile other
    • B65H2404/1152—Markings, patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/131—Details of longitudinal profile shape
    • B65H2404/1316—Details of longitudinal profile shape stepped or grooved
    • B65H2404/13163—Details of longitudinal profile shape stepped or grooved in longitudinal direction

Definitions

  • the invention relates to a transport element for flat material, consisting of an inner carrier part which can be connected to an axle or shaft or is provided with at least one axle or shaft journal and an outer ring part made of a rubber-elastic material and at least partially enclosing the carrier part and positively connected to it. whose elasticity is greater than the elasticity of the material of the carrier part, the ring part having an outer contact surface for the frictional transport of the flat material.
  • Such transport elements are often used in copiers, printers or other office machines for the transport of paper, cardboard, film or the like.
  • Embodiments with a circular support part and a circular ring part as well as with a circular segment-shaped support part and an adapted, also circular segment-shaped ring part are used.
  • the lateral surface of the carrier part which has a hub for receiving an axis or shaft, is provided with cams or elevations which project radially outwards and are distributed uniformly over the circumference of the lateral surface.
  • cams have a truncated pyramid shape, the cross-sectional areas of the cams increasing with increasing radial distance from the hub.
  • the truncated pyramids are, so to speak, upside down and are only connected to the lateral surface of the carrier part with a comparatively small area.
  • the carrier part is first injection molded from a thermosetting or thermoplastic material.
  • the carrier part is then inserted into another injection molding tool, in which it is extrusion-coated with a rubber-elastic material, as a result of which the ring part is formed.
  • the effective elasticity of the transport element measured in the radial direction - viewed in the circumferential direction along the contact surface of the ring part - shows large fluctuations. These fluctuations result from relatively large differences in the effective thickness of the ring part consisting of rubber-elastic material which is decisive for the elastic behavior of the transport element.
  • the ring part In the area between the cams, the ring part is much thicker than in Area of the base of a truncated pyramid. Because of the generally greater elasticity of the rubber material, the material of the ring part compared to the elasticity of the material of the carrier part, the thickness of the ring part is of primary importance for the effective radial spring stiffness of such a roller-mounted transport element.
  • the invention is based on the object of proposing a transport element for flat goods which, when viewed in the circumferential direction along the contact surface of the ring part, is distinguished by very small fluctuations in the effective electricity of the rolling transport element measured in the radial direction.
  • the transport element should nevertheless have a sufficiently strong connection that is secure both against rotation and against axial displacement between the carrier part and the ring part. Furthermore, the transport element should be inexpensive to manufacture.
  • the carrier part has a plurality of grooves which are distributed in a lateral surface and are open at least towards the lateral surface and which are undercut with respect to the respective radial direction, each Groove has an opening width that extends over an angular range of a maximum of 5 °.
  • the carrier part Due to the very small opening width of the grooves, the carrier part has a first-order peripheral contour, which can be referred to as a circle or circle segment. Only in the second order does the lateral surface have narrow grooves into which the rubber-elastic material of the ring part can penetrate when the support part is overmolded, in order to form a positive connection, and can then harden.
  • the small opening width of the grooves leads due to the very effective on the groove reveals - especially in the constricted opening area of the grooves - rubber-elastic material of the ring part that the material located inside the grooves has little effect on the effective radially measured spring stiffness of the transport element.
  • material compression takes place, from which an increase in the spring stiffness results.
  • a groove with a small opening width causes hardening of the material, so that the lower elasticity of the transport element that is actually to be expected at this point due to the groove depth is compensated for and the effective elasticity of the transport element in the area of the groove openings of the spring constant in the area between approximates two grooves of webs.
  • An embodiment of the transport element suggests that web surfaces lying between two adjacent grooves in the lateral surface of the carrier part extend over an angular range of a maximum of 20 °, whereby even with small transport elements there is still a sufficient number of grooves, so that a sufficient form fit between the carrier part and the ring part is achieved.
  • Manufacturing advantages for the transport element can be achieved if the grooves are open towards at least one end face of the carrier part.
  • the ring part surrounds the carrier part on at least one end face, an undesirable axial displacement of the ring part with respect to the carrier part is made impossible at least in one direction.
  • the transport element according to the invention consists in that the cross section of the grooves is in each case composed of an essentially rectangular mouth region and a circular clamping region connected to it, the diameter of the clamping region being substantially larger than the opening width of the mouth region.
  • Such an embodiment is distinguished by the pronounced undercut of the grooves by a high clamping force of the material of the ring part enclosed in the grooves and can be produced with little manufacturing outlay due to the geometrically simple shape.
  • the risk of a web break is extremely low, even if the carrier part is handled and stored without great care after its injection molding production prior to the encasing with the ring part .
  • the grooves are each divided into two sections with respect to their length by means of a central web, which means that the ring part and carrier part, which are axially flush with one another on both end faces, offer a very high degree of security against axial displacement of the two achieved above components to each other can be.
  • central webs each extend at least over the entire cross section of the assigned groove.
  • a further embodiment of the transport element is also technically particularly easy to implement, according to which the central webs are connected to one another by means of a circumferential collar which projects radially beyond the lateral surface of the carrier part and is connected to the webs.
  • the thickness of such a rotating collar lying in the parting plane of an associated injection molding tool advantageously coincides with the thickness of the central webs.
  • a transport element 1 for flat material for example paper or film
  • a transport element 1 for flat material for example paper or film
  • which consists of an inner carrier part 2, which is provided with a hub 3 for receiving an axle or shaft (not shown), and an outer ring part 4, that completely surrounds the carrier part 2 and is positively connected to it.
  • the ring part 4 consists of a rubber-elastic material, the elasticity of which is substantially greater than the elasticity of the material of the carrier part 2.
  • the carrier part 2 is produced by injection molding from a plastic material, but can also be made from metal, for example aluminum or a zinc alloy.
  • the finished carrier part 2 is inserted into a further injection molding tool and overmolded therein with the rubber-elastic material, whereby the ring part 4 is formed which, like the carrier part 2, is circular and has a circumferential contact surface 5 for the frictional transport of the flat material.
  • the carrier part 2 has in a lateral surface 6 a plurality of grooves 7 arranged equidistantly distributed therein, of which only three are shown in FIG. 1 for the sake of simplicity.
  • the grooves 7 are open to both end faces 8 and 9 of the carrier part 2. Furthermore, it can be seen from the aforementioned figures that the carrier part 2 and the ring part 4 are flush with one another on both end faces 8 and 9.
  • the grooves 7 are each divided by a central web 10 with respect to their length into two sections 11 and 12 of equal length.
  • the middle webs 10 are also formed in the injection molding of the carrier part 2, connected continuously to the associated groove reveals and the groove base and extend over the entire cross section of the grooves 7.
  • FIG. 3 shows an enlarged detail of the end view of the carrier part 2 of the transport element shown in FIG. 1 in the region of the three grooves 7 shown in the drawing.
  • the cross section of the grooves 7 is in each case from an essentially rectangular mouth region 13 and a circular clamping area 14 connected to it.
  • the diameter 15 of the clamping area 13 is approximately 3 times the opening width 16 of the mouth area 13.
  • the opening width 16 of the grooves 7 extends over an angular range ⁇ of approximately 2 °. Between each two adjacent grooves 7 in the lateral surface 6 of the carrier part 2, web surfaces 18 each extend over an angular range ⁇ of approximately 5 °. As a result, two center lines of adjacent grooves 7 enclose an angle ⁇ of approximately 7 °.
  • Fig. 4 shows an end view of a modified transport element 1 ', in which both the carrier part 2' and the ring part 4 'have a D-shaped outline, which is why such a transport element 1' is also referred to as a D-roll.
  • the structure of the carrier part 2 ′′ with a large number of grooves distributed on a lateral surface is analogous to the structure of the transport element 1 described in FIGS. 1 to 3.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
EP96117307A 1995-11-22 1996-10-29 Elément de transport pour des articles plans Withdrawn EP0775661A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19543516 1995-11-22
DE19543516A DE19543516C2 (de) 1995-11-22 1995-11-22 Transportelement für flächiges Gut

Publications (1)

Publication Number Publication Date
EP0775661A1 true EP0775661A1 (fr) 1997-05-28

Family

ID=7778109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96117307A Withdrawn EP0775661A1 (fr) 1995-11-22 1996-10-29 Elément de transport pour des articles plans

Country Status (6)

Country Link
US (1) US5996775A (fr)
EP (1) EP0775661A1 (fr)
JP (1) JPH09175704A (fr)
CA (1) CA2190891A1 (fr)
DE (1) DE19543516C2 (fr)
SG (1) SG77584A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1057761A1 (fr) * 1999-06-04 2000-12-06 Grapha Holding AG Roue de transport pour le dispositif d'ouverture d'un margeur de feuilles imprimées

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19908917A1 (de) * 1999-03-02 2000-09-07 Schlafhorst & Co W Antrieb für ein Transportband, insbesondere für ein Schmutzabtransportband einer Textilmaschine
DE19918236C2 (de) 1999-04-22 2003-01-02 Heron Sondermaschinen Und Steu Elastisch verformbares Laufrad für Werkstückträger oder dergleichen
US6644653B1 (en) * 2000-11-02 2003-11-11 Agnati S.P.A. Damping corrugator roll
US6676312B2 (en) 2001-04-24 2004-01-13 Z.I.H. Corp. Ribbon identification using optical color coded rotation solution
JP4351244B2 (ja) * 2006-11-29 2009-10-28 有限会社浜インターナショナル ローラを用いた移動装置、およびローラの製造方法
CN102548882B (zh) 2009-10-13 2016-01-06 3M创新有限公司 接触压料辊
JP6435802B2 (ja) * 2014-11-19 2018-12-12 日立金属株式会社 ローラ
CN114434493B (zh) * 2021-12-21 2024-04-16 北京未末卓然科技有限公司 物流机器人的货仓

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274096A1 (fr) * 1987-01-07 1988-07-13 Irbit Research + Consulting AG Rouleau de transport
GB2200431A (en) * 1987-01-27 1988-08-03 Teewen Bv Rollers
EP0543150A2 (fr) * 1991-10-31 1993-05-26 Hewlett-Packard Company Appareil d'alimentation et de maintien des supports d'impression pour imprimante/traceuse thermique à jet d'encre
US5224642A (en) * 1991-12-11 1993-07-06 Davis Steven D Pull wheel having spaced apart flanges with an elastomer thereon

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US696416A (en) * 1901-06-13 1902-04-01 William P Denegre Squeeze-roll.
US1833461A (en) * 1924-06-09 1931-11-24 Armstrong Cork Co Cork envelope for laundry rolls
US1569343A (en) * 1924-11-20 1926-01-12 Voegeli Frederick Benedict Cloth expander
US1883184A (en) * 1930-07-28 1932-10-18 Herman G Weber Marking roll with hard rubber surface
US2066755A (en) * 1935-10-17 1937-01-05 Stowe Woodward Inc Roll
US2715879A (en) * 1950-05-23 1955-08-23 Wallace & Tiernan Inc Trifluorochloroethylene surfaced sheeting roller
US2639560A (en) * 1950-10-02 1953-05-26 Chicago Rubber Company Inc Contact wheel
US2770868A (en) * 1952-07-02 1956-11-20 John G Streckfus Self locking roller, tire, and tread foundation
US2773300A (en) * 1952-07-24 1956-12-11 Andre Rubber Co Resilient rollers
FR1113798A (fr) * 1953-09-30 1956-04-04 Dayton Rubber Company Rouleau à couche superficielle en une composition caoutchouteuse vulcanisée, en particulier pour le travail avec des matières liquides
US3184828A (en) * 1962-11-30 1965-05-25 Polymer Processes Inc Roll covers
SU463484A1 (ru) * 1973-12-11 1975-03-15 Предприятие П/Я М-5481 Валок дл продольной переодической прокатки
DE8634166U1 (fr) * 1986-12-20 1987-07-23 Kunststofftechnik Rodenberg Gmbh & Co Kg, 3054 Rodenberg, De
JPH06332334A (ja) * 1993-05-18 1994-12-02 Japan Gore Tex Inc 定着用弾性ロール

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274096A1 (fr) * 1987-01-07 1988-07-13 Irbit Research + Consulting AG Rouleau de transport
GB2200431A (en) * 1987-01-27 1988-08-03 Teewen Bv Rollers
EP0543150A2 (fr) * 1991-10-31 1993-05-26 Hewlett-Packard Company Appareil d'alimentation et de maintien des supports d'impression pour imprimante/traceuse thermique à jet d'encre
US5224642A (en) * 1991-12-11 1993-07-06 Davis Steven D Pull wheel having spaced apart flanges with an elastomer thereon

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1057761A1 (fr) * 1999-06-04 2000-12-06 Grapha Holding AG Roue de transport pour le dispositif d'ouverture d'un margeur de feuilles imprimées
US7007951B1 (en) 1999-06-04 2006-03-07 Grapha-Holding Ag Transport disc for an opening device of a printed sheet feeder

Also Published As

Publication number Publication date
DE19543516A1 (de) 1997-05-28
DE19543516C2 (de) 1999-04-29
MX9605723A (es) 1998-06-28
JPH09175704A (ja) 1997-07-08
SG77584A1 (en) 2001-01-16
US5996775A (en) 1999-12-07
CA2190891A1 (fr) 1997-05-23

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