US3837559A - Strip joining apparatus for rolling mills and the like - Google Patents

Strip joining apparatus for rolling mills and the like Download PDF

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Publication number
US3837559A
US3837559A US00343750A US34375073A US3837559A US 3837559 A US3837559 A US 3837559A US 00343750 A US00343750 A US 00343750A US 34375073 A US34375073 A US 34375073A US 3837559 A US3837559 A US 3837559A
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US
United States
Prior art keywords
coil
strip
mill
joining
uncoiling
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
US00343750A
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English (en)
Inventor
J Greenberger
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.)
United Engineering Inc
Original Assignee
Wean United 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 Wean United Inc filed Critical Wean United Inc
Priority to US00343750A priority Critical patent/US3837559A/en
Priority to GB5902873A priority patent/GB1404269A/en
Priority to JP48142557A priority patent/JPS49122873A/ja
Priority to DE2401007A priority patent/DE2401007A1/de
Priority to CA190,042A priority patent/CA994132A/en
Priority to AU66289/74A priority patent/AU470378B2/en
Priority to NL7403281A priority patent/NL7403281A/xx
Priority to FR7408721A priority patent/FR2222293B1/fr
Priority to BE1005797A priority patent/BE812356A/xx
Priority to ES424413A priority patent/ES424413A1/es
Application granted granted Critical
Publication of US3837559A publication Critical patent/US3837559A/en
Assigned to WEAN UNITED, INC. reassignment WEAN UNITED, INC. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). TO RELEASE SECURTIY DOCUMENT RECORDED AT REEL, FRAME 4792/307 RECORDED FEB. 26, 1987 Assignors: PITTSBURGH NATIONAL BANK
Assigned to UNITED ENGINEERING ROLLING MILLS, INC. reassignment UNITED ENGINEERING ROLLING MILLS, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WEAN INCORPORATED
Assigned to UNITED ENGINEERING, INC. reassignment UNITED ENGINEERING, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: 12-19-88 - DE Assignors: UNITED ENGINEERING ROLLING MILLS, INC.
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
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/247—Joining wire or band ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet
    • 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
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5183—Welding strip ends

Definitions

  • ABSTRACT The disclosure pertains to a strip feeding device for a rolling mill adapted to roll joined coils of strip in a continuous and uninterrupted manner. It provides a flying stitcher or multi-spot welder arranged between a coil uncoiling means and the entry guide of the mill. A holding shelf arranged on the entry side of the stitcher or welder and above the mill passline supports the leading end of a second coil in the stitcher or welder when the stitcher or welder is in its retracted position.
  • the supported leading end of the second coil is lowered to the trailing end of the first coil and while the stitcher or welder is advanced towards the mill at a speed substantially synchronous I with the speed of the travelling end, the two strips are joined by the stitcher or spot welder.
  • the joining operation is performed without interrupting the travel of the strip so that the mill can maintain its threading speed.
  • the stitcher or welder and hold ing shelf can be repositioned to receive the leading end of the next coil.
  • Another object of the present invention is to provide means for allowing a first fed coil to be transferred from a first uncoiling means to a second uncoiling means after its leading end is fed to the mill from said first uncoiling means, a stitcher or multi-spot welder arranged between the mill and said second uncoiling means, a carriage for said stitcher or welder for advancing it to and from the mill, said stitcher or spot welder having an opening through which the strip of the first coil is directed to pass, a holding shelf arranged to support the leading end of the second coil above, or below the passing strip of the first coil and in said opening of said stitcher or welder, means for permitting the supported leading end of the second strip to be lowered or raised into engagement with the trailing end of the first strip, and means for advancing the stitcher or spot welder at approximately the speed of the strip of the first coil and causing it to join the two strips witout interrupting the operation of the rolling mill.
  • the drawing illustrates in outline form the first stand of a 4 high tandem cold rolling mill for rolling carbon steel.
  • the mill includes the usual strip entry guide 12.
  • coil uncoiling equipment is illustrated in the form of a coil rotating unit 14 having a pair of driven rolls 16.
  • a coil uncoiler 18 is provided having opposed pair of driven coil supporting cones 20.
  • a coil elevator car 22 including a piston cylinder assembly 23 that is formed as part of the unit 14 and employed to support a partially uncoiled coil and transfer it from the coil receiving position of the rotating unit 14 to the uncoiler cones 20.
  • a feeder pinch roll unit 26 having the upper surface of its lower roll in line with the mill passline and wherein its upper roll is vertically moveable from the illustrated phantom line position to the full line position of the drawing by a piston cylinder assembly 27.
  • a horizontally arranged strip supporting shelf 28 is provided having opposed strip edge projecting hangars 30 which are horizontally retractable by piston cylinder assemblies 32. Adjacent the end of the shelf 28 there is arranged for horizontal movement to and from the mill in a direction parallel to the mill passline a flying stitcher 34.
  • the construction and operation of the stitcher follows well known designs of available units for joining carbon steel ranging in width from 20 to 90 inches and thickness from 0.060 to 0.200 inches and having a stationary anvil 36 which includes a series of die openings 38, and an opposed moveable head 40, which includes an elongated die 42 for making a series of in line spaced apart interlocking perforations in two strips.
  • the head is quickly and forcibly lowered to effect a stapling or stitching by a piston cylinder assembly 41.
  • a piston cylinder assembly 41 In adapting the well known stitcher .to carry out the present invention one is selected having a generous opening 44 between the anvil 36 and the head 40 when the head is in its retractable position as shown in the drawing.
  • Stitcher 34 is mounted in a wheel mounted carriage 46 advanced over rails 50 by a rapid acting piston cylinder assembly 52.
  • the piston cylinder assembly 52 will have a stroke of approximately 5 feet and accelerates the carriage 46 in the first foot or so of this distance to the speed of the strip.
  • a stitcher has been illustrated in the drawing, as noted before a multi-spot welder following the designs of well known available units may also be employed in its place. While a stitcher will perform the joining operation quicker than the spot welder, one second to two-thirds of a second, as compared with two to three seconds respectively, both are many times more rapid than a flash welding operation and many times less costly. In employing a stitcher with a single row of stitches, the total cycle time will be of the order of one second requiring less than a 6 foot travel of the carriage 46 with the speed of the stand 10 operating at 120 FPM entry speed.
  • a single row of 30 welds for an inch wide strip can be performed in three seconds requiring approximately 6 feet travel of the carriage 46.
  • the short time cycle of the complete joining operation is not only contributed to by the joining means itself, but also, because the stitcher or spot welder eliminates any need of positioning and clamping the two strips for joining.
  • a stitcher or a spot welder in most cases there will be, generally, no need to shear the trailing ends of the coils and only the leading end needs shearing to square these ends which can be done before the coils are brought to the mill.
  • a stop 54 positioned to be engaged by a strip supported by the shelf 28 when the head 40 of the stitcher is raised so that the strip may pass through the opening 44.
  • a trailing end strip detector 56 At the delivery side of the pinch roll unit 26 there is arranged a trailing end strip detector 56 which produces a control signal for enabling the sequential and timed related operations of the piston cylinder assemblies 41 and 52 of the stitcher, the piston cylinder assemblies 32 of the shelf 28, and the piston cylinder assembly 27 of the pinch roll unit 26.
  • the speed of the mill will be lowered to a threading speed, for example, an entry speed of 120 FPM for stand 10.
  • a threading speed for example, an entry speed of 120 FPM for stand 10.
  • the detector will produce a signal, delayed if required, to allow the proper overlap of the two strips when joined.
  • This signal will operate the piston cylinder assemblies 32 to allow the leading end of the second coil to be lowered onto the trailing end of the first coil and piston cylinder assembly 52 accelerates the carriage 46 to strip speed, and then operates piston cylinder assembly 41 to allow the head 40 to effect the stitching operation.
  • the piston cylinder assembly 41 will be quickly retracted before the full forward travel of the carriage 46 has been used, the piston cylinder assembly 27 will be operated to lower the upper roll of the pinch roll 26 along with the rolls 16 of the coil rotating rig 14 being rotated to commence the uncoiling of the second coil at the speed of the mill, and the entry guide and the work rolls of the mill along with the remaining stands will be opened sequentially to allow the overlapped joint to pass through the rolls without being rolled.
  • the coil will be transferred to the uncoiler 18 by the car 22 where the piston cylinder assembly 23 will position the coil to align its opening with the cones for support thereby, after which the car will be returned to the coil receiving position for receiving the next coil.
  • said joining means having strip contacting members which cooperate to effect a joining of the leading and trailing ends of said coils
  • said two uncoiling means being co-planar with said path of travel
  • said means for uncoiling said first coil comprises a member protrudable into the center of a coil for supporting the coil during its uncoiling
  • said means for uncoiling said second coil comprising a pair of coil supporting rolls arranged on the side of said member opposite said mill, and
  • said strip joining means includes a moveable head
  • detecting means associated with said member to detect the trailing end of said first coil and produce a signal for actuating said separate actuating means.
  • said rapid joining means comprises a stitcher.
  • said rapid joining means comprises a spot welder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Replacement Of Web Rolls (AREA)
  • Metal Rolling (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
US00343750A 1973-03-22 1973-03-22 Strip joining apparatus for rolling mills and the like Expired - Lifetime US3837559A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US00343750A US3837559A (en) 1973-03-22 1973-03-22 Strip joining apparatus for rolling mills and the like
GB5902873A GB1404269A (en) 1973-03-22 1973-12-20 Apparatus for feeding strip
JP48142557A JPS49122873A (OSRAM) 1973-03-22 1973-12-21
DE2401007A DE2401007A1 (de) 1973-03-22 1974-01-10 Bandverbindungsvorrichtung fuer walzwerke und aehnliche anlagen
CA190,042A CA994132A (en) 1973-03-22 1974-01-14 Strip joining apparatus for rolling mills and the like
AU66289/74A AU470378B2 (en) 1973-03-22 1974-03-05 Improved strip joining apparatus
NL7403281A NL7403281A (OSRAM) 1973-03-22 1974-03-12
FR7408721A FR2222293B1 (OSRAM) 1973-03-22 1974-03-14
BE1005797A BE812356A (fr) 1973-03-22 1974-03-15 Appareil ameliore de liaison de bandes
ES424413A ES424413A1 (es) 1973-03-22 1974-03-18 Un aparato mejorado para unir cinta.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00343750A US3837559A (en) 1973-03-22 1973-03-22 Strip joining apparatus for rolling mills and the like

Publications (1)

Publication Number Publication Date
US3837559A true US3837559A (en) 1974-09-24

Family

ID=23347489

Family Applications (1)

Application Number Title Priority Date Filing Date
US00343750A Expired - Lifetime US3837559A (en) 1973-03-22 1973-03-22 Strip joining apparatus for rolling mills and the like

Country Status (10)

Country Link
US (1) US3837559A (OSRAM)
JP (1) JPS49122873A (OSRAM)
AU (1) AU470378B2 (OSRAM)
BE (1) BE812356A (OSRAM)
CA (1) CA994132A (OSRAM)
DE (1) DE2401007A1 (OSRAM)
ES (1) ES424413A1 (OSRAM)
FR (1) FR2222293B1 (OSRAM)
GB (1) GB1404269A (OSRAM)
NL (1) NL7403281A (OSRAM)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990620A (en) * 1973-10-20 1976-11-09 Daimler-Benz Aktiengesellschaft Installation for the automatic feed of welding wires
FR2340149A1 (fr) * 1976-02-05 1977-09-02 Benteler Werke Ag Dispositif pour fabriquer en continu des tubes a soudure longitudinale a partir d'un materiau en bande, notamment pour fabriquer des tubes de precision en acier
US6834923B2 (en) 2003-02-10 2004-12-28 Jonathan Manufacturing Corporation Miniature solid bearing slide assembly
US20090223269A1 (en) * 2008-03-07 2009-09-10 Metal Industries Research & Development Centre Method and apparatus for continuously manufacturing metal sheets
US20110088445A1 (en) * 2009-10-19 2011-04-21 Nicholas John Champion Aligning device for high aspect ratio slabs or plates
CN109702044A (zh) * 2019-03-07 2019-05-03 昆明学院 一种钢卷上料机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477930A1 (fr) * 1980-03-13 1981-09-18 Cribier Atel Const Meca Acma Installation d'alimentation en barres de stellite avec raboutage automatique de ces dernieres
DE3325728A1 (de) * 1983-07-16 1985-01-31 SMS Schloemann-Siemag AG, 4000 Düsseldorf Kaltbandwalzstrasse fuer wahlweises zufuehren des walzbandes im kontinuierlichen betrieb von einem bandspeicher und im diskontinuierlichen betrieb von einem bandhaspel
CN118081172B (zh) * 2024-04-23 2024-07-16 江苏亚立特钢有限公司 一种钢管直缝焊接设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2120316A (en) * 1937-04-03 1938-06-14 United Eng Foundry Co Apparatus for welding and flash trimmings
US2800568A (en) * 1955-09-28 1957-07-23 Taylor Winfield Corp Method and apparatus for narrow lap or semi-mash seam welding
US3191843A (en) * 1960-05-31 1965-06-29 British Oxygen Co Ltd Method and apparatus for the manufacture of metal strip
US3247354A (en) * 1962-09-26 1966-04-19 Taylor Winfield Corp Method and apparatus for aligning strip in strip joining equipment
US3511961A (en) * 1966-05-31 1970-05-12 Newcor Inc Strip end welding machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214618A (en) * 1937-08-28 1940-09-10 Westinghouse Electric & Mfg Co Continuously operating strip mill
FR1239935A (fr) * 1958-12-11 1960-09-02 Chausson Usines Sa Machine pour la jonction de bandes de grande longueur et notamment de bandes pour lafabrication d'ailettes de radiateurs et applications analogues
US3226050A (en) * 1961-10-12 1965-12-28 Beteiligungs & Patentverw Gmbh Unwinding device for band-shaped rolled goods
SE344547B (OSRAM) * 1968-12-30 1972-04-24 Secor Ab

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2120316A (en) * 1937-04-03 1938-06-14 United Eng Foundry Co Apparatus for welding and flash trimmings
US2800568A (en) * 1955-09-28 1957-07-23 Taylor Winfield Corp Method and apparatus for narrow lap or semi-mash seam welding
US3191843A (en) * 1960-05-31 1965-06-29 British Oxygen Co Ltd Method and apparatus for the manufacture of metal strip
US3247354A (en) * 1962-09-26 1966-04-19 Taylor Winfield Corp Method and apparatus for aligning strip in strip joining equipment
US3511961A (en) * 1966-05-31 1970-05-12 Newcor Inc Strip end welding machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990620A (en) * 1973-10-20 1976-11-09 Daimler-Benz Aktiengesellschaft Installation for the automatic feed of welding wires
FR2340149A1 (fr) * 1976-02-05 1977-09-02 Benteler Werke Ag Dispositif pour fabriquer en continu des tubes a soudure longitudinale a partir d'un materiau en bande, notamment pour fabriquer des tubes de precision en acier
US6834923B2 (en) 2003-02-10 2004-12-28 Jonathan Manufacturing Corporation Miniature solid bearing slide assembly
US20090223269A1 (en) * 2008-03-07 2009-09-10 Metal Industries Research & Development Centre Method and apparatus for continuously manufacturing metal sheets
US20110088445A1 (en) * 2009-10-19 2011-04-21 Nicholas John Champion Aligning device for high aspect ratio slabs or plates
CN109702044A (zh) * 2019-03-07 2019-05-03 昆明学院 一种钢卷上料机

Also Published As

Publication number Publication date
GB1404269A (en) 1975-08-28
AU6628974A (en) 1975-09-11
FR2222293A1 (OSRAM) 1974-10-18
FR2222293B1 (OSRAM) 1979-09-28
CA994132A (en) 1976-08-03
AU470378B2 (en) 1976-03-11
ES424413A1 (es) 1976-06-01
DE2401007A1 (de) 1974-10-03
NL7403281A (OSRAM) 1974-09-24
JPS49122873A (OSRAM) 1974-11-25
BE812356A (fr) 1974-09-16

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AS Assignment

Owner name: PITTSBURGH NATIONAL BANK

Free format text: SECURITY INTEREST;ASSIGNOR:WEAN UNITED, INC., A CORP.OF OH;REEL/FRAME:004458/0765

Effective date: 19850610

AS Assignment

Owner name: PITTSBURGH NATIONAL BANK

Free format text: SECURITY INTEREST;ASSIGNOR:WEAN UNITED, INC., A CORP. OH.;REEL/FRAME:004792/0307

Effective date: 19860630

Owner name: PITTSBURGH NATIONAL BANK,PENNSYLVANIA

Free format text: SECURITY INTEREST;ASSIGNOR:WEAN UNITED, INC., A CORP. OH.;REEL/FRAME:004792/0307

Effective date: 19860630

AS Assignment

Owner name: WEAN UNITED, INC.

Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:PITTSBURGH NATIONAL BANK;REEL/FRAME:004925/0218

Effective date: 19880509

AS Assignment

Owner name: UNITED ENGINEERING ROLLING MILLS, INC.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:WEAN INCORPORATED;REEL/FRAME:004920/0256

Effective date: 19880610

AS Assignment

Owner name: UNITED ENGINEERING, INC.

Free format text: CHANGE OF NAME;ASSIGNOR:UNITED ENGINEERING ROLLING MILLS, INC.;REEL/FRAME:005285/0209

Effective date: 19900425