US3868011A - Link conveyor - Google Patents

Link conveyor Download PDF

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Publication number
US3868011A
US3868011A US367221A US36722173A US3868011A US 3868011 A US3868011 A US 3868011A US 367221 A US367221 A US 367221A US 36722173 A US36722173 A US 36722173A US 3868011 A US3868011 A US 3868011A
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US
United States
Prior art keywords
hinge
projecting
link
eyelets
plate
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.)
Expired - Lifetime
Application number
US367221A
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English (en)
Inventor
Wolfgang Janzen
Alfred Bald
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.)
AMSTED SIEMAG KETTE GmbH
Original Assignee
AMSTED SIEMAG KETTE GmbH
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 AMSTED SIEMAG KETTE GmbH filed Critical AMSTED SIEMAG KETTE GmbH
Application granted granted Critical
Publication of US3868011A publication Critical patent/US3868011A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21L—MAKING METAL CHAINS
    • B21L11/00—Making chains or chain links of special shape
    • 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
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
    • B65G17/08—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
    • B65G17/086—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element specially adapted to follow a curved path
    • 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
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10—Arrangements of rollers
    • B65G39/20—Arrangements of rollers attached to moving belts or chains
    • 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
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles

Definitions

  • a link conveyor comprises a series of metal plate links each of which is formed from a sheet metal blank and which are hinged to one another by hinge pins which extend through interengaging hinge eyelets formed from integral parts of the blank on adjacent edges of said links and each link having a pair of guide flanges projecting at right angles from it for guiding it along guide rails, the guide flanges also being formed as intogral parts of the sheet metal blank.
  • the guide flanges are integrally connected to the hinge eyelets projecting from one edge of each link by webs which are pressed flat against the underside of the link.
  • This invention relates to link conveyors comprising a series of metal plate links which are hinged to one another by hinge pins which extend through interengaging hinge eyelets on the adjacent edges of adjacent links, each link also having a guide member projecting from it for guiding it along guide rails.
  • Such link conveyors are used in industry for various purposes, for example for conveying goods made of glass, paper, metal and plastics, particularly bottles and cans. Due to their articulated arrangement such link conveyors also can be guided along a curved path. The lateral guidance required in this case is effected by the guide members.
  • the guide members consist of essentially C-shaped, mutually spaced webs welded to the undersides of the plate links.
  • the guide member consists of parts initially separate from the remainder of the link, the manufacture of the plate links is very costly, particularly as the C-shaped webs must be welded to the underside of the plate link in a separate very accurate operation.
  • Similar disadvantages are found in link conveyors in which the guide member consists of a flat web and flanges arranged laterally thereof and bent at right angles, the web being rivetted to the underside of the plate link.
  • Plate links made of plastics material cannot in all cases withstand the occurring loads, and therefore their application is limited. Moreover they are manufactured of different materials because the hinge pins are still made of metal, so that the production of such link conveyors also meets with difficulties. The difference in the materials used adversely affects the relative mobility between the individual plate links as the plastics material is subject to greater wear. For such link conveyors consisting of hinged plate links a particular problem exists in the hinge construction if an accurate relative pivoting of the individual plate links is to be ensured.
  • each link and its guide member are formed integrally of sheet metal.
  • This construction in one piece allows the manufacture of the complete plate link in a single, continuous operation so that no separate operating steps are required for the fixing of the guide member. Moreover, due to the one-piece construction, a very high rigidity of the plate link is achieved so that the guide member can easily accommodate lateral forces exerted by the traction on the link conveyor, particularly along a curved path.
  • each guide member comprises flanges projecting substantially at right angles from the underside of the link.
  • the flanges may be punched out of the flat plate link itself providing that this can give the necessary rigidity.
  • the flanges are, however, preferably secured to the hinge eyelets.
  • the flanges may be joined to webs which extend parallel to the underside of the plate link from hinge eyelets at one of the edges of the plate link.
  • a further contributory factor to a satisfactory operational efficiency, in particular satisfactory pivotability of the links relative to each other is provided if a central hinge eyelet on one edge ofa plate link is arranged between two spaced-apart hinge eyelets on the adjacent edge of the adjacent plate link and the central eyelet has a bearing aperture of cambered profile and is fitted with a cylindrical hinge pin. or has a cylindrical bearing aperture and is fitted with a barrel-shaped hinge pin.
  • each plate link is formed from a blank of flat sheet metal strip.
  • the blank has an essentially rectangular plate portion, a tongue projecting from the central portion of one edge of the plate portion, and two strips projecting from the opposite edge of the plate portion, the strips being separated by a distance which is slightly greater than the width of the tongue and the free end portions of the strips being provided with tabs extending laterally outwards for form ing the flanges.
  • Each plate link is expediently formed from its blank in a continuous process by first rolling the tongue and the central portions of the strips downwards and inwards, then free end portions of the strips are pressed flat against the underside of the plate portion and after this the tabs are bent substantially at right angles away from the plate portion.
  • FIG. 1 is a plan view of a number of links of the conveyor
  • FIG. 2 is an underneath plan view of a single link to an enlarged scale
  • FIG. 3 is a side view of the link shown in FIG. 2;
  • FIG. 4 is a section of the link along the line IV-IV in FIG. 2;
  • FIG. 5 is a detail of a hinge connection
  • FIG. 6 is a detail of a modified hinge connection
  • FIG. 7 is a plan view of a sheet metal blank for the production of the plate link shown in FIGS. 2 to 4;
  • FIG. 8 is a plan view of a modified sheet metal strip blank.
  • FIGS. 9 and 10 are side and end views respectively of the modified sheet metal strip blank shown in FIG. 8.
  • the link conveyor comprises a series of identical plate links 1, each of which has at one of its end edges a central hinge eyelet 2, and at its opposite end edge two hinge eyelets 3 spaced apart such that the central hinge eyelet of the adjacent plate link can be engaged between them.
  • the hinge connections of the individual plate links to one another are each effected by a hinge pin 4 which is inserted through the hinge eyelets.
  • the hinge connections of the individual plate links 1 to one another results in an articulated link conveyor which, by traction means not shown in detail, is moved along a path which in this example is bounded by guide rails 5.
  • each plate link 1 has flanges 6 bent downwards substantially at right angles. which serve for the lateral guiding of the link on the guide rails 5.
  • the flanges 6 are joined to webs 7 which extend parallel to the underside of the plate link, and which themselves are joined at the two hinge eyelets 3 of the plate link 1.
  • the hinge pin 4 has a cylindrical shape while the bearing aperture 8 of the hinge eyelet 2 has a cambered profile.
  • the cambering of the profile of the bearing aperture 8 is shaped so that it has the geometrical shape of a double truncated cone having a minimum diameter substantially equal to that of the hinge pin.
  • the bearing aperture 8 of the hinge eyelet 2 is cylindrical and the hinge pin 4 is barrel-shaped. In its barrel-shaped region it has the geometrical shape of a double truncated cone having a central diameter substantially equal to that of the cylindrical bearing aperture.
  • the outer ends 12 of the hinge pin 4 are cylindrical. Between the outer ends 12 and the barrel-shaped region of the hinge pin 4 are conical transition portions 13 to give the hinge pin 4 the greatest possible stiffness.
  • the plate link is made from a single sheet metal strip blank, such as is shown for example in FIG. 7.
  • the blank consists of an essentially rectangular plate portion 14, in the central part of which a tongue 15 extends from one of its edges. This tongue later forms the central hinge eyelet 2.
  • the opposite edge of the plate portion 14 is joined to two strips 16, the distance between which is slightly larger than the width of the tongue 15. From central parts 17 of the strips 16, the hinge eyelets 3 are formed, while the end portions 18 of the strips 16 form the webs 7, and finally outwardly extending tabs 19 form the guiding flanges 6.
  • the dotted lines on the blank in FIG. 7 indicate the bending lines which result in the production of the plate link.
  • the flanges 6 are punched directly out of the portion 14 and the strips 16 form just the eyelets 3.
  • the tongue 15 forms the eyelet 2.
  • a link conveyor including a series of metal plate links, hinge eyelets projecting from opposite edges of each of said links, said hinge eyelets projecting from adjacent edges of adjacent links interengaging with each other, hinge pins extending through said interengaging hinge eyelets to hinge adjacent plate links to each other, a guide member formed integrally with each of said plate links, said guide members comprising flanges projecting substantially at right angles from the underside of said link, webs extending parallel to the underside of each of said plate links, said webs joining said flanges integrally to said hinge eyelets projecting from one of said opposite edges of said link, each of said plate links and guide members being formed of sheet metal, and said guide member being operative to guide said links along guide rails.
  • a conveyor as claimed in claim 3, wherein said bearing aperture with said cambered profile has the geometrical shape of a double truncated cone having a minimum diameter substantially equal to that of said cylindrical hinge pin.
  • a conveyor as claimed in claim 5, wherein said barrel-shaped hinge pin has the geometrical shape of a double truncated cone having a central diameter substantially equal to that of saidcylindrical bearing aperture.
  • each of said plate links is formed from a blank of sheet metal strip.
  • said blank includes an essentially rectangular plate portion a tongue projecting from one edge of said rectangular plate portion, two strips projecting from an opposite edge of said rectangular plate portion, said strips being separated by a distance which is slightly greater than the width of said tongue, and a tab projecting laterally outwards from a free end portion of each of said strips, said tabs being arranged to form said flanges.
  • a method of making a metal plate link for a link conveyor comprising a substantially rectangular body portion, hinge eyelets projecting from opposite edges of said body portion and guide flanges projecting from said body portion, said method comprising the steps of punching a blank out of flat metal strip, said blank including said body portion, a tongue projecting from one edge of said body portion, two strips projecting from an opposite edge of said body portion, said strips being spaced apart by a distance which is slightly greater than the width of said tongue, and a tab extending laterally outwards from a free end portion of each of said strips, rolling said tongue downwards and inwards to form a first hinge eyelet on one edge of said 3 ,868,01 l y 5 6 body portion, rolling said strips downwards and intion and finally bending said tabs substantially at right wards to form two hinge eyelets on said opposite edge angles away from said body portion to form said of said body portion, pressing said free end portions of flanges. said strips flat against the underside of said body por-

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chain Conveyers (AREA)
  • Making Paper Articles (AREA)
US367221A 1972-07-31 1973-06-05 Link conveyor Expired - Lifetime US3868011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2237600A DE2237600B2 (de) 1972-07-31 1972-07-31 Gliederförderband aus mehreren gelenkig miteinander verbundenen metallischen Plattengliedern

Publications (1)

Publication Number Publication Date
US3868011A true US3868011A (en) 1975-02-25

Family

ID=5852229

Family Applications (1)

Application Number Title Priority Date Filing Date
US367221A Expired - Lifetime US3868011A (en) 1972-07-31 1973-06-05 Link conveyor

Country Status (9)

Country Link
US (1) US3868011A (en:Method)
BE (1) BE798912A (en:Method)
CH (1) CH563927A5 (en:Method)
DE (1) DE2237600B2 (en:Method)
DK (1) DK140628B (en:Method)
FR (1) FR2194624B1 (en:Method)
GB (1) GB1374936A (en:Method)
IT (1) IT980161B (en:Method)
NL (3) NL7304250A (en:Method)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074518A (en) * 1975-11-15 1978-02-21 Meyer, Roth & Pastor Maschinenfabrik Gmbh Apparatus for making a link-type conveyor belt
US4429785A (en) 1981-02-26 1984-02-07 Manfred Dango Curve-negotiating plate conveyor
US4611710A (en) * 1983-01-14 1986-09-16 Tsubakimoto Chain Co. Hinge-type table top chain
USD291777S (en) 1985-11-15 1987-09-08 The Laitram Corporation Conveyor belt module
USD292065S (en) 1985-03-15 1987-09-29 Aktiebolaget Skf Chain link
US4697530A (en) * 1986-12-23 1987-10-06 Dumont Holding Company Underfed stoker boiler for burning bituminous coal and other solid fuel particles
US4958726A (en) * 1988-05-28 1990-09-25 Rexnord Kette Gmbh & Co. Kg Curved apron conveyor
US6305530B1 (en) 2000-05-30 2001-10-23 Habasit Ag Module for a modular conveying belt
US6725883B2 (en) 2001-06-05 2004-04-27 Habasit Ag Flat top open hinge module
US7082720B2 (en) 2002-06-25 2006-08-01 Sumitomo Wiring Systems, Ltd. Cable guide and power supply apparatus for a vehicle slide door
NL1030062C2 (nl) * 2005-09-29 2007-03-30 Rexnord Flattop Europe Bv Transportketting.
USD638603S1 (en) 2005-09-29 2011-05-24 Rexnord Flattop Europe B.V. Conveyor chain link
USD655882S1 (en) * 2010-06-29 2012-03-13 Pulsar S.R.L. Link for chain conveyors
US20120279832A1 (en) * 2009-12-04 2012-11-08 Bett Sistemi S.R.L. Conveyor
USD672114S1 (en) * 2012-02-27 2012-12-04 Bradken Resources Pty Limited Hoist link for a dragline assembly
US20190119044A1 (en) * 2016-06-29 2019-04-25 Prince Castle LLC Conveyor Belt Slat With Side Carrier Connection

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7904193A (pt) * 1978-07-03 1980-03-25 Amsted Siemag Kette Gmbh Cinta transportadora de placas com mobilidade sobre curvas
DK148591C (da) * 1982-03-26 1986-03-24 Poul Erik Damkjaer Transportkaede med kaedeled af metalplade
DE3844855C2 (en) * 1988-05-28 1993-05-27 Rexnord Kette Gmbh & Co Kg, 5240 Betzdorf, De Curved conveyor with hinged plates
EP0459691A1 (en) * 1990-05-21 1991-12-04 Ucc Corporation Modular conveyor belt
DE4403594A1 (de) * 1994-02-05 1995-08-10 Schlafhorst & Co W Transportvorrichtung für textile Packungen
DE29705311U1 (de) * 1997-03-24 1998-07-23 Joh. Winklhofer & Söhne GmbH und Co KG, 81369 München Förderkette
ITMI20020463A1 (it) * 2002-03-06 2003-09-08 Fertema S R L Elemento modulare di contenimento a fabbricazione facilitata per un nastro trasportatore a catena e suo metodo di realizzazione
DE102006004808A1 (de) * 2006-01-24 2007-08-02 Hauni Maschinenbau Ag Förderkette als kurvengängige und laufrollenfreie Tragförderkette
DE102008007963A1 (de) 2008-02-07 2009-08-13 Iwis Antriebssysteme Gmbh & Co. Kg Seitenbogenkette mit hinterschnittfreien Gelenkbolzen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231069A (en) * 1961-10-24 1966-01-25 William E Lanham Chain link
US3262550A (en) * 1964-05-11 1966-07-26 Conveyor Specialties Company Conveyor chain
US3512627A (en) * 1967-12-18 1970-05-19 Rex Chainbelt Inc Laterally flexible flat top conveyor with metal u-shaped guide contacting member welded to the bottom of the links
US3513964A (en) * 1968-04-02 1970-05-26 Rex Chainbelt Inc Article carrying chain having unitary guide members attached to the bottom of the links
US3520398A (en) * 1967-11-30 1970-07-14 Rex Chainbelt Inc Laterally flexible conveyor
US3529715A (en) * 1968-05-02 1970-09-22 Rex Chainbelt Inc Stamped side-flex conveyor chain
US3776349A (en) * 1969-06-25 1973-12-04 Conveyor Specialties Co Fabricated flexible conveyor chain

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1866318A (en) * 1930-03-10 1932-07-05 Muhlenbruch Fred Sprocket chain

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231069A (en) * 1961-10-24 1966-01-25 William E Lanham Chain link
US3262550A (en) * 1964-05-11 1966-07-26 Conveyor Specialties Company Conveyor chain
US3520398A (en) * 1967-11-30 1970-07-14 Rex Chainbelt Inc Laterally flexible conveyor
US3512627A (en) * 1967-12-18 1970-05-19 Rex Chainbelt Inc Laterally flexible flat top conveyor with metal u-shaped guide contacting member welded to the bottom of the links
US3513964A (en) * 1968-04-02 1970-05-26 Rex Chainbelt Inc Article carrying chain having unitary guide members attached to the bottom of the links
US3529715A (en) * 1968-05-02 1970-09-22 Rex Chainbelt Inc Stamped side-flex conveyor chain
US3776349A (en) * 1969-06-25 1973-12-04 Conveyor Specialties Co Fabricated flexible conveyor chain

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074518A (en) * 1975-11-15 1978-02-21 Meyer, Roth & Pastor Maschinenfabrik Gmbh Apparatus for making a link-type conveyor belt
US4429785A (en) 1981-02-26 1984-02-07 Manfred Dango Curve-negotiating plate conveyor
US4611710A (en) * 1983-01-14 1986-09-16 Tsubakimoto Chain Co. Hinge-type table top chain
USD292065S (en) 1985-03-15 1987-09-29 Aktiebolaget Skf Chain link
USD291777S (en) 1985-11-15 1987-09-08 The Laitram Corporation Conveyor belt module
US4697530A (en) * 1986-12-23 1987-10-06 Dumont Holding Company Underfed stoker boiler for burning bituminous coal and other solid fuel particles
US4958726A (en) * 1988-05-28 1990-09-25 Rexnord Kette Gmbh & Co. Kg Curved apron conveyor
US6305530B1 (en) 2000-05-30 2001-10-23 Habasit Ag Module for a modular conveying belt
US6725883B2 (en) 2001-06-05 2004-04-27 Habasit Ag Flat top open hinge module
US7082720B2 (en) 2002-06-25 2006-08-01 Sumitomo Wiring Systems, Ltd. Cable guide and power supply apparatus for a vehicle slide door
NL1030062C2 (nl) * 2005-09-29 2007-03-30 Rexnord Flattop Europe Bv Transportketting.
WO2007037686A1 (en) * 2005-09-29 2007-04-05 Rexnord Flattop Europe B.V. Conveyor chain
US20090014290A1 (en) * 2005-09-29 2009-01-15 Rutger Jansen Conveyor Chain
USD638603S1 (en) 2005-09-29 2011-05-24 Rexnord Flattop Europe B.V. Conveyor chain link
CN101282895B (zh) * 2005-09-29 2012-12-26 雷克斯诺德弗莱托普欧洲私人有限公司 传送链
US8342320B2 (en) 2005-09-29 2013-01-01 Rexnord Flattop Europe B.V. Conveyor chain
US20120279832A1 (en) * 2009-12-04 2012-11-08 Bett Sistemi S.R.L. Conveyor
US9016467B2 (en) * 2009-12-04 2015-04-28 Bett Sistemi S.R.L. Conveyor
US10059525B2 (en) 2009-12-04 2018-08-28 Bett Sistemi S.R.L. Conveyor
USD655882S1 (en) * 2010-06-29 2012-03-13 Pulsar S.R.L. Link for chain conveyors
USD672114S1 (en) * 2012-02-27 2012-12-04 Bradken Resources Pty Limited Hoist link for a dragline assembly
US20190119044A1 (en) * 2016-06-29 2019-04-25 Prince Castle LLC Conveyor Belt Slat With Side Carrier Connection
US10494183B2 (en) * 2016-06-29 2019-12-03 Prince Castle LLC Conveyor belt slat with side carrier connection

Also Published As

Publication number Publication date
DK140628C (en:Method) 1980-05-05
FR2194624B1 (en:Method) 1976-06-11
DE2237600B2 (de) 1975-05-07
IT980161B (it) 1974-09-30
DE2237600A1 (de) 1974-02-21
DK140628B (da) 1979-10-15
FR2194624A1 (en:Method) 1974-03-01
NL7809447A (nl) 1978-12-29
GB1374936A (en) 1974-11-20
BE798912A (fr) 1973-08-16
CH563927A5 (en:Method) 1975-07-15
NL7304250A (en:Method) 1974-02-04
NL7809446A (nl) 1978-12-29

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