US3454268A - Direct heat-treating apparatus for hot-rolled wire rods - Google Patents

Direct heat-treating apparatus for hot-rolled wire rods Download PDF

Info

Publication number
US3454268A
US3454268A US521618A US3454268DA US3454268A US 3454268 A US3454268 A US 3454268A US 521618 A US521618 A US 521618A US 3454268D A US3454268D A US 3454268DA US 3454268 A US3454268 A US 3454268A
Authority
US
United States
Prior art keywords
coil
cooling
wire rod
wire
carriage
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
US521618A
Other languages
English (en)
Inventor
Kyoichiro Matsuoka
Wataru Shinada
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.)
Yawata Seitetsu KK
Original Assignee
Yawata Seitetsu KK
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 Yawata Seitetsu KK filed Critical Yawata Seitetsu KK
Application granted granted Critical
Publication of US3454268A publication Critical patent/US3454268A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, 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
    • B21C47/26—Special arrangements with regard to simultaneous or subsequent treatment of the material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods

Definitions

  • a direct heat-treating apparatus for rolled wire rods comprising means for winding up finish-rolled wires, coil conveying means for vertically lowering and conveying the wire rod coiled by said winding means While it is kept coiled, air-cooling means for forcibly cooling the wires conveyed by said coil conveying means and coil delivering means for horizontally pushing out and delivering the cooled wires.
  • This invention relates to heat-treating apparatus for hot-rolled wire rods and more particularly to so-called direct patenting apparatus for carrying out a direct heattreatment by utilizing the temperature immediately after finishing rolled wire rods.
  • finishing velocity is 25 m./sec.
  • rolling finishing temperature is about 1,000 O, which is comparable to the heating temperature in a patenting treatment at wire manufacturers.
  • the present invention is to provide an apparatus for uniformly heat-treating coils over the entire length in such air-cooling method as above mentioned.
  • a further object of the present invention is to provide an apparatus wherein the time from the finish-rolling to the end of the winding can be taken to be sufficient.
  • Another object of the present invention is to provide an apparatus which is cheap to construct and can be fitted to any existing winding apparatus.
  • a still further object of the present invention is to provide a direct heat-treating apparatus which can be easily fitted to and removed from any existing Winding apparatus.
  • FIG. 1 is a schematic elevation of the present invention
  • FIG. 2 is a sketch on line 2-2 in FIG. 1 as seen in the direction indicated by the arrow;
  • FIG. 3 is a detailed view of a vertical conveyer driving mechanism as taken on line 33 in FIG. 1;
  • FIG. 4 is a magnified view of a guide and a vertical conveyer
  • FIG. 5 is a schematic plan view of the guide
  • FIGS. 6 and 7 are views of guide covers as closed and opened, respectively.
  • the coil conveying apparatus 1 comprises carriages 5 and 6, pillars 2 vertically erected on said carriages, sprockets 15 and 15' provided in the upper and lower parts of said pillars, conveyer belts 3 (or vertical conveyer belts in this embodiment) tensioned by said sprockets and moved in the direction indicated by the arrow in FIG. 4 by the driving sprockets 15, pawls 4 fitted at proper space intervals over the entire length of said conveyer belt, conveyer correcting carriages 50 each provided on the side for mounting a wire rod A inside each conveyer belt 3 and a driving device for driving said driving sprockets 15.
  • Said conveying apparatus 1 is arranged vertically below a winding device 30 for the wire rod A. That is to say, in order that the 'wire rod A coiled by the winding device may be continuously moved in the form of one spire of the coil or several spires of the coil arranged concentrically at one time, a plurality of said conveyer belts 3 (eight belts in the illustrated embodiment) are arranged in positions equally dividing the outer periphery of the winding device 30 so that the spires of the coiled wire rod A may be mounted substantially on the middle points of the pawls 4 fitted vertically or as directed rather upwardly over the entire length of the conveyer belts. (See FIG.
  • the carriages for mounting said vertical conveyer belts 3 and driving device consist of the fixed carriage 5 and the opening and closing carriage 6 to be opened by a clamp 21 around a stand 8 for mounting a vertical conveyer belt driving motor 9 as a center. (See the chain lines in FIGS. 2 and 3.) A hole 7 for passing the wire rod A is made in the central part of each of said carriages.
  • four vertical conveyer belts 3 are mounted along the hole 7 of each of the fixed carriage 5 and opening and closing carriage 6, respectively, so as to be separately driven each by a set of Bayers speed change gears through the driving motor 9. That is to say, bevel gears 11 and 11' are rotated through a bevel gear rotated by said motor 9, the rotation is transmitted to respective speed change gears 12, 13, 14, 12, 13', 13" and 14 and the sprockets 15 and 15' are rotated at the same speed through shafts 16 and 16 and universal joints 17 and 17', respectively.
  • the coil conveying apparatus 1 is of the above mentioned construction. Said apparatus 1 is mounted on a supporting frame 22 which comprises supporting pillars 2'5 and machine frames 23 and 24 supported by said pillars.
  • the coil conveying apparatus 1 may be formed so as to be movable from just below the winding device 30.
  • said carriage 5 is provided with Wheels 18 mounted on rails 23 laid on said machine frame 23 so as to be laterally movable.
  • an arm is secured to the fixed carriage 5 and a supporting plate 20 is hung on said arm so that said supporting plate 20 may also move together with the carriage.
  • Rollers 19 provided on the opening and closing carriage 6 are mounted to roll on said supporting plate 20 so as to support said carriage 6 and to make it possible to open and close the carriage '6. (See FIGS. 1 and 2.)
  • a wind box 42 is to feed Wind to cool the Wire rod A conveyed as coiled by the vertical conveyer belts 3 and comprises a wind inlet 43 for wind from a blower (not illustrated), an upper part cooling box 44 for cooling the upper part of the coil conveying apparatus 1, a middle part cooling box 45 for cooling the middle part of the coil conveying apparatus and a lower part cooling box 46 for cooling the lower part of the coil conveying apparatus.
  • Said cooling boxes are provided with respective blowing openings 44, 45 and 46' facing the conveying apparatus.
  • Said Wind box 42 is fixed on a carriage 47 so as to be movable laterally along the rails 23 in case the opening and closing carriage 6 is opened or in case the coil conveying apparatus 1 is moved.
  • auxiliary pinch rolls 27 are provided between finishing rolls (not illustrated) and main pinch rolls 28 and further a water-cooling guide pipe 29 is provided between said rolls 27 and 28.
  • winder 30 may be used such known one as an Edemborn winder.
  • a rotary pipe 31 for coiling the wire rod A so as to be in the form of a coil and a cone 40.
  • the Winder 30 is so made as to be vertically movable along a fitting pillar 32.
  • a coil guiding device 33 comprising an inner ring 38 having an outside diameter substantially the same as of the outer periphery of the cylindrical part of the cone '40 and a tapered outer ring 37.
  • Said outer ring 37 is held on the pillars 32 and 32 by arms 34 and 35.
  • Said inner ring 38 is held on the cone 40 by fixing plates 39.
  • said coil guiding device 33 is so made as to be displaced from just below the cone. Therefore, the arm 34 is secured at one end to the outer ring 37 and is rotatably fitted at the other end to the pillar 32.
  • the arm 35 is removably fitted at one end to the outer ring 37 through a pin 36 and is rotatably fitted at the other end to the pillar 32'. (See FIGS. 4 and 5.) Further, the inner ring 38 is rotatably provided with a proper number of fitting plates 39 so that, at the time of the Operation, as :in FIG. 7, said plate 39 may be fitted and held in a holding part 41 provided on the cone 40 and that, when the inner ring 38 is to be removed from the cone 40 without using the above mentioned guide 33, as in FIG. 6, said plate 39 may be hung and held on the outer ring 37.
  • said guiding device 33 is provided so as to be close to the cone 40 in the upper part and to the vertical conveyer belts 3 in the lower part and is to guide the wire rod A coiled in the cone 40 so that it may be mounted on the middle parts of the pawls 4 of the above mentioned conveyor belts 3.
  • a delivering device for the cooled coils shall now be described.
  • a drum 41 for receiving cooled coils so as to be vertically movable.
  • a coil pusher 48 to push out mounted coils is arranged beside said drum 41.
  • a chain conveyor 49 for conveying coils is provided adjacently to said coil pusher 48.
  • the wire rod A finish-rolling at about 1,000 C. is directly conveyed into the Water-cooling guide pipe 29 through the auxiliary pinch rolls 27 to cool down to a temperature of 800 to 850 C. and is then conveyed to the winder 30 through the main pinch rolls 28.
  • Said wire rod A is coiled by being spread on the winding cone 40 by the rotating pipe 31, is guided between the inner and outer rings of the guide 33, is mounted or Wound as coiled and individual spires or a group of several spires are held on the pawls 4 of the vertical conveyer belts 3 arranged in the outer ring part of said guide.
  • As said conveyer belts 3 are being moved in the direction indicated by the arrow in FIG.
  • the wire rod A While falling as mounted or wound on a plurality of pawls 4, the wire rod A is forcibly air-cooled by the wind box 43, whereby it is subjected to the Ar transformation sufficiently to be of a very fine grain structure of sorbite.
  • the cooling temperature for the coils is about 600 C.
  • the coil holding time by said conveyer belts is 10 to 20 seconds. Further, if the coil holding time and the amount of the cooling wind are properly adjusted, the finish-rolled coils may also be discharged as cooled down to about 600 C.
  • the motor 9 for driving the vertical conveyer belts is stopped, the wind box 42 is moved and is separated from the coil conveying apparatus 1, the opening and closing carriage 6 is then opened as shown by the chain lines in FIGS. 2 and 3 by operating the pusher 21 with an oil pressure.
  • the miscoiling is removed.
  • the present apparatus can be thus used not only exclusively to directly heat-treat wires but also to directly recover into the drum the coils wound with the winder without being subjected to such heat-treatment depending on the size and material of the wire rod and to convey them to a storage.
  • the coil conveying apparatus 1 and wind box 42 are moved leftward as shown by the chain lines in FIG. 1, the fitting plate 39 of the guide 33 is removed from the cone 40 and is held by the outer ring 37, the pin 36 is then removed, the outer ring 37, inner ring 38 and arm 35 are opened and the winder 30 is lowered along the fitting pillar 32 and is positioned just above the drum 41.
  • the coiled wire can be uniformly subjected to the Ar transformation over the entire length at a proper cooling velocity and wires having the same mechanical properties and fluctuation as of any conventional air-patented wires can be prepared without any patenting treatment by wire manufactures.
  • the present apparatus can be made very compactly, the equipment cost may be low and it can be easily fitted to any existing winding apparatus with a simple modification.
  • a direct heat-treating apparatus for rolled wire rods comprising means for winding up finish-rolled wires, coil conveying means for vertically lowering and conveying the wire rod coiled by said winding means while it is kept coiled, said coil conveying means comprising a plurality of conveyer belts vertically erect in positions equally dividing the outer periphery of the winder, pawls fitted at fixed intervals over the entire length of each of said conveyer belts, supporting means for tensioning and holding said conveyer belts and driving means for driving said conveyer belts at a fixed velocity in a fixed direction, and a fixed carriage and an opening and closing carriage, some of said conveyer belts being on the fixed carriage and the remainder being on the movable carriage, air-cooling means for forcibly cooling the wires conveyed by said coil conveying means and coil delivering means for horizontally pushing out and delivering the cooled wires.
  • a direct heat-treating apparatus for rolled wire rods comprising means for winding up finish-rolled wires, coil conveying means for vertically lowering and conveying the wire rod coiled by said winding means while it is kept coiled, air-cooling means for forcibly cooling the wires conveyed by said coil conveying means, said air-cooling means comprising an upper part cooling box opening into the upper part of said coil conveying means, a middle part cooling box opening into the middle part of said coil conveying means and a lower part cooling box opening into the lower part of said coil conveying means, all of said cooling boxes being connected with a blower, said apparatus having a frame with rails thereon and a carriage movable along the rails and on which said cooling boxes are mounted, and coil delivering means for horizontally pushing out and delivering the cooled wires.
  • a direct patenting apparatus for rolled wire rods comprising means for winding up finish-rolled wires in a continuous coil with spaced spires or spaced group of spires, coil conveying means for conveying the wire rod coiled by said winding means in a fixed direction, while it is kept coiled, said conveying means being composed of a plurality of conveyer belts having the runs parallel to each other and the belts being spaced arourrdthe periphery of a coil conveying space, said belts having pawls thereon for supporting the; spires fitted at fixed intervals equal to the spacing between spires or groups of spires over the entire length of each of said conveyer belts, aircooling means for forcibly cooling the wires conveyed by said coil conveying means vand coil delivering means for horizontally pushing out and delivering the cooled wires.
  • said winder comprises a fixed cone and an inner ring having substantially the same outside diameter as of the outer periphery of the fixed cone of said winder and mounted on the large end of the fixed cone, a tapered outer ring around the outer periphery of said inner ring, pillars adjacent said winder, and supporters carrying said outer ring and freely movable up and down the pillars, whereby the position of the outer ring can be changed.
  • a direct heat-treating apparatus for rolled materials comprising means for winding up finish-rolled wires a pillar on which said winding means is mounted so as to be vertically movable, a Winder having a fixed core, coil guiding means comprising an inner ring having substantially the same outside diameter as the outer periphery of the fixed cone and a tapered outer ring, said rings being positioned just below said Winding means, a plurality of conveyer belts having pawls thereon at fixed intervals over the entire length and vertically erected in positions equally spaced around the outer periphery of the fixed cone of said winder, driving means for said conveyer belts, a supporting frame, a fixed carriage fixed on said frame and an opening and closing carriage movable on said frame toward and away from said fixed carriage, some of said conveyor belts and the driving means therefor being mounted on said fixed carriage and the remainder and the driving means therefor being mounted on said opening and closing carriage, air cooling means consisting of an upper part cooling box, middle part cooling box and lower part cooling box,

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
US521618A 1965-01-23 1966-01-19 Direct heat-treating apparatus for hot-rolled wire rods Expired - Lifetime US3454268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP352465 1965-01-23

Publications (1)

Publication Number Publication Date
US3454268A true US3454268A (en) 1969-07-08

Family

ID=11559748

Family Applications (1)

Application Number Title Priority Date Filing Date
US521618A Expired - Lifetime US3454268A (en) 1965-01-23 1966-01-19 Direct heat-treating apparatus for hot-rolled wire rods

Country Status (6)

Country Link
US (1) US3454268A (cs)
BE (1) BE674984A (cs)
DE (1) DE1558021A1 (cs)
FR (1) FR1498281A (cs)
GB (1) GB1134801A (cs)
SE (1) SE323699B (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604691A (en) * 1969-05-29 1971-09-14 Bliss Co Apparatus and method for coiling and quenching rod
US20080019805A1 (en) * 2006-07-19 2008-01-24 Bowler Martyn A Method of transporting and heat treating coils of hot rolled products in a rolling mill
CN115283477A (zh) * 2022-07-07 2022-11-04 宇顺通(山东)新材料有限责任公司 热轧钢盘条生产流水线的收卷换卷设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1752519B1 (de) * 1968-06-08 1971-04-15 Schloemann Ag Einrichtung zum kuehlen von walzdraht

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US737361A (en) * 1903-06-12 1903-08-25 Fred H Daniels Apparatus for treating wire rods.
US1302843A (en) * 1917-10-15 1919-05-06 Buffalo Bolt Company Metal-heating apparatus.
US2587742A (en) * 1949-05-10 1952-03-04 United States Steel Corp Apparatus for continuously processing strands
US2743066A (en) * 1952-06-05 1956-04-24 Crum Eben Jefferson Continuous coil winding machine
US3154443A (en) * 1961-05-19 1964-10-27 Vaughn Machinery Co Apparatus and process for continuously heat treating wire and the like
US3171876A (en) * 1961-05-19 1965-03-02 Vaughn Machinery Co Apparatus for continuously heat treating wire and the like

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US737361A (en) * 1903-06-12 1903-08-25 Fred H Daniels Apparatus for treating wire rods.
US1302843A (en) * 1917-10-15 1919-05-06 Buffalo Bolt Company Metal-heating apparatus.
US2587742A (en) * 1949-05-10 1952-03-04 United States Steel Corp Apparatus for continuously processing strands
US2743066A (en) * 1952-06-05 1956-04-24 Crum Eben Jefferson Continuous coil winding machine
US3154443A (en) * 1961-05-19 1964-10-27 Vaughn Machinery Co Apparatus and process for continuously heat treating wire and the like
US3171876A (en) * 1961-05-19 1965-03-02 Vaughn Machinery Co Apparatus for continuously heat treating wire and the like

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604691A (en) * 1969-05-29 1971-09-14 Bliss Co Apparatus and method for coiling and quenching rod
US20080019805A1 (en) * 2006-07-19 2008-01-24 Bowler Martyn A Method of transporting and heat treating coils of hot rolled products in a rolling mill
CN115283477A (zh) * 2022-07-07 2022-11-04 宇顺通(山东)新材料有限责任公司 热轧钢盘条生产流水线的收卷换卷设备
CN115283477B (zh) * 2022-07-07 2024-03-26 山东奇特新材料有限公司 热轧钢盘条生产流水线的收卷换卷设备

Also Published As

Publication number Publication date
DE1558021A1 (de) 1974-02-28
FR1498281A (fr) 1967-10-20
BE674984A (cs) 1966-05-03
GB1134801A (en) 1968-11-27
SE323699B (cs) 1970-05-11

Similar Documents

Publication Publication Date Title
KR101474783B1 (ko) 압연 라인에서 금속 제품을 권취/권출하기 위한 권취/권출 장치 및 방법
US6464927B1 (en) Method and apparatus for in-line heat treatment of hot rolled stock
AU733149B2 (en) Coiling machine for hot rolled stock such as strip or sheet
US12036591B2 (en) Plant and process for the continuous production of hot-rolled ultra-thin steel strips
JPH02175009A (ja) 熱間圧延される帯鋼の製造方法及び装置
US3114539A (en) Method of and apparatus for annealing strip metal
US5335713A (en) Installation for the manufacture of hot-rolled steel strip
US3454268A (en) Direct heat-treating apparatus for hot-rolled wire rods
US2585277A (en) Apparatus for annealing strip
US6240763B1 (en) Automated rolling mill administration system
US6264769B1 (en) Coil area for in-line treatment of rolled products
US1715219A (en) Apparatus for stretching and coiling strip material
KR101795966B1 (ko) 선재코일 냉각장치
EP0033194B1 (en) Steel rod rolling process, and apparatus
KR101242898B1 (ko) 선재코일 냉각장치
KR101636727B1 (ko) 열연 바 권취 및 권출 장치
KR100544581B1 (ko) 열간압연선재의 냉각온도 조정장치
KR101018212B1 (ko) 권취된 선재코일 커버장치
US3367036A (en) Apparatus and method for treating metal wires
US3567149A (en) Automatic strip coiler
KR101353790B1 (ko) 스트립 장력조정 장치
JP2932419B2 (ja) 双ロール連続鋳造圧延設備及び双ロール連続鋳造圧延方法
KR100775251B1 (ko) 냉각압조 합금강선재 연화열처리 냉각이송장치
US3021128A (en) Method and means for continuously annealing metal strips, wire and the like
US7550050B2 (en) Method and apparatus for cooling strip and wire material