US3767133A - Method of auto-loading of coiled material in blanking line - Google Patents

Method of auto-loading of coiled material in blanking line Download PDF

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Publication number
US3767133A
US3767133A US00178566A US3767133DA US3767133A US 3767133 A US3767133 A US 3767133A US 00178566 A US00178566 A US 00178566A US 3767133D A US3767133D A US 3767133DA US 3767133 A US3767133 A US 3767133A
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United States
Prior art keywords
coiled material
uncoiler
loading
coil car
support surface
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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
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US00178566A
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English (en)
Inventor
O Seo
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Komatsu Ltd
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Komatsu Ltd
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Publication date
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Publication of US3767133A publication Critical patent/US3767133A/en
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    • 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
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer

Definitions

  • ABSTRACT In a blanking line including a coil car, an uncoiler, a washing roll, a feed roll, a leveler and a blanking press, an auto-loading operation of a coiled steel material in the blanking line can be attained by carrying out automatically various kinds of operations which have been manually made heretofore, such as, for example, operation for loading the coiled steel material on the coil car, operation for supporting the coiled steel material by the uncoiler and the like operations.
  • the loading of a coiled material to a blanking line is effected by loading the coil on coil car, running the car by operating a manual valve based on an artificial, visual judgement, stopping the car when it reaches directly below an uncoiler, after which centering visually the center of an uncoiler cone and the center of the coiled material, raising the coil car by operation of the manual valve, clamping the coil material by the uncoiler cone, then lowering the coil car, after which centering the coil material by shifting the whole uncoiler assembly with the coiled material while watching a width indicating scale, thus to complete the loading operation.
  • the present invention relates to a method of autoloading of a coiled material in a blanking line in which forming blanks are 'obtained from a coiled material.
  • the object of the present invention is to provide a effective and convenient method of auto-loading which is free of said difficulties, and which is characterized by the steps of loading a coiled material at a predetermined position where a coil car returns, stopping the coil car at a stand-by point, detecting the passing of the end portion of the coiled material at a decoiler, starting the running of the coil car, stopping the coil car below the uncoiler, detecting the outer diameter of the coil by lowering a snubber roll, stopping a coil car lifter, lowering an uncoiler clamp and the coil car lifter, and resuming the running of the coil car, whereby, by repeating these steps and detecting and interlocking each of the steps, the loading can be effected continuously.
  • FIG. l is a front elevation of the device for practising the method according to the invention
  • FIG. 2 is a plan view of the same
  • FIGS. 3 and 4 are respectively explanatary view of the principle for seeking the center of the coiled material
  • FIG. 5 is a sectional view of the apparatus of the principle which has been explained in FIGS. 3 and 4,
  • FIG. 6 is a sectional view taken along VI-VI in FIG. 59 I. I
  • FIG. 7 is a partial sectional view of the cam portion in FIG. 6, and
  • FIG. 8 is a side view of the drawing and guiding mechanism of the coiled material.
  • the predetermined restoring position I of the coil car is the position adjacent to fixed skids l, and the loading is effected by the steps of mounting the coiled material 2 on a sliding skid 3 and on the coil car 5 having a lifter 4, causing a standby of the coil car at a stand-by and stop position 1!, starting the coil car from the position II upon receiving a signal which shows that the end portion of the preceding coiled material has passed a pass detector provided on a decoiler 6, stopping the coil car 5 at a stopping position III of the coil car below the center line of an uncoiler 8, detecting the outer diameter of the coiled material 2 by contacting the coiled material 2, which is in the III position, with a snubber roll 9, raising the coil car lifter 4 upon the detection of the outer diameter of the coiled material 2, stopping the lifting of the lifter 4 upon coincidenceof the axial center of the
  • the numeral 10 designates a sliding table forwarding the coiled material 2 from its tip end to washing rolls 11
  • the numeral 12 is a holding roll clamping and holding the coiled material between it and the sliding table 10.
  • the snubber roll holds the tip end portion of the coiled material downwardly.
  • the sliding skid 3 of the coil car 5 is provided on a base 13.
  • the base 13 is fixed on the upper end of a rod 14 capable of up and down movement which is fitted in the cylinder 15 of the lifter 4.
  • the coil car 5 has wheels 16, 16, 16, these wheels are rotated by a rotary torque of the hydraulic motor 17 through the reducing mechanism 18, whereby the coil car 5 runs on the rail 19.
  • a cam 20 is provided on the coil car 5, and a limit switch 21 is provided at a predetermined position to change the speed and torque of the coil car 5.
  • the control signal is produced and then transmitted to the control mechanism. Consequently, the control mechanism is operated, and the controlled pressure and flow quantity are fed to the driving mechanism and as a result the coil car 5 enters the running state in the low speed and low torque.
  • the cam 20 of the coil car 5 contacts another limit switch 22 for stopping the coil car at a pre-determined position, the signal is produced and the feeding of the actuating liquid to the hydraulic motor 17 is cutoff by said signal, as a result, the coil car 5 operates at very slow speed.
  • the front wheel 16 of the coil car is engaged with the stopper for stopping at a predetermined position, the coil car 5 is stopped.
  • the end portion of the coiled material 2 fed from the uncoiler 8 passes through the detector 7, a signal is produced from the detector 7, and the base on the cylinder of the coil car 5 at the position I is lifted, said cylinder 15 being actuated by said signal.
  • new coiled material 2 is fed to the sliding skid 3 of the coil car 5 from the fixed skid 1.
  • the coil car 5 runs as far as the position II by actuating the driving mechanism of the coil car 5 and stops there, when the base 13 of the coil car 5 is lowered slightly. Thereafter, the coil car 5 runs toward the uncoiler 8.
  • the coiled material 2 on the coil car 5 is supported by the uncoiler 8 while actuating the snubber roll.
  • the coiled material 2 is supported by the uncoiler 8 so that the center of the coiled material coincides with the center of the cone of uncoiler 8 by the displacement of the snubber roll contacted on the outer top portion of said coiled material 2.
  • the snubber roll 9 is mounted on the top end of the rocker arm 24, segment gear 25 is fixed at the back portion of said rocker arm 24, and said segment gear 25 is engaged with a vertical rack 26 in the casing 27 through a pinion 28.
  • a cam 29 is fixed on the shaft 30 of the pinion 28, a follower 31 is in contact with the cam 29 at the lower portion of said cam 29 by means of a spring 32, and the lower portion of said follower 31 forms a switch operating portion 33.
  • a switch mounting plate 34 faces the lower portion of the rack 26, said switch mounting plate 34 is fixed integrally on a rod 35 of the piston 36 of the cylinder 37 fixed on the base, and a limit switch 38 is fixed to the switch mounting plate 34.
  • numerals 39a, 39b are each a connecting port of the cylinder 37; 40 is a hydraulic pressure feeding pump; 41 is a solenoid valve; 42 is a pilot check valve; P is the center of the coiled material 2 on the coil car 5; and Q is the center of the uncoiler cone of the uncoiler 8.
  • R (constant) is a radius of the rocker arm of the snubber roll
  • H (constant) is a distance from the floor surface FL to the center 0 of the uncoiler cone
  • a (constant) is an upper limiting point of the snubber roll
  • b is the position of the center of the snubber roll at the point which coincides the center of the coiled material with the center of the uncoiler cone
  • 0 is the position of the snubber roll in the case when the snubber roll is lowered in the lower limit state of the coil car lifter
  • B is an angle (radian) of the snubber roll in the case when the snubber roll is lowered from point e to point b
  • B is angle (radian) of the snub ber roll in the case when the snubber roll lifts from point b to point c
  • 1 is the distance from the floor surface FL to the center of the snubb
  • the snubber roll 9 is lowered from the upper limit position a to the outer top portion of the coiled material 2.
  • the swinging motion of the snubber roll 9 is transmitted to the rack 26 through the segment gear and pinion 28, whereby the rod 35 of the cylinder 37 is lowered by the rack 26 through the limit switch mounting plate 34.
  • the profile of the cam 29 is formed so as to signal at the point where the snubber roll 9 reaches from the point c to the point b and where the switch operating portion 33 of the follower 31 contacts with the limit switch 38, and accordingly, the coiled material 2 is stopped automatically and the center P of the coiled material 2 coincides with the center Q of the uncoiler 8. In this condition, the coiled material 2 is supported with the uncoiler 8 and at the same time, the center of the coiled material and the center of uncoiler cone are automatically set.
  • the coil car 5 is fed into between the two uncoiler cones 8a, 8b, each being positioned outermostly.
  • the coil car lifter is so operated that the center of the supported coiled material 2 coincides with the center of the uncoiler cone while measuring the height by the detecting means including the snubber roll 9.
  • the coiled material 2 is clamped firmly by closing uncoiler cones 8a, 8b by operation of the hydraulic power unit 43.
  • the coiled material is fed smoothly, which is effected by mounting the tip end of the clamping band of the coiled material 2, which is in a clamped stateon the uncoiler, on the sliding table 10, and holding it with a holding roll 12, and drawing out the coiled material successively by reciprocating the sliding table 10, engaging the coiled material with the washing rolls 11.
  • a sliding table 10 is mounted slidably on a base 44, which is supported swingably by the shaft 45, which is a supporting point.
  • the end of the piston rod 46 of the cylinder 47 mounted on the base 44 is connected with the back surface of the sliding table 10, said sliding table 10 being moved forwardly and backwardly on the base 44 by operating the cylinder 47.
  • the base 44 is connected with the end of the piston rod 48 the cylinder 49 which is swingable at the supporting point 50, and the lufling motion of the base 44 is controlled by operating the cylinder 49.
  • the sliding table 10 is brought to the foremost position by advancing the piston rod 46. In this state, the upper surface of the slidingtable 10 is aligned in the tangential direction of the top portion of the coiled material 2 supported by the uncoiler 8, and the portion drawn out from the coiled material 2 is easily placed on the sliding table 10 in the tangential direction.
  • An arm 51 is provided above the sliding table 10, and a press-contact roll 12 is pivoted on one end of the arm 51, and the other end of the arm 51 is pivoted on the shaft 52.
  • the rod of the cylinder 53 At one side of the arm 51 is connected the rod of the cylinder 53, and the base portion of the cylinder 53 is pivoted on the shaft 54.
  • the press-contacting roll 12 is press-contacted with the drawn out portion of the coiled material 2 on the sliding table 10.
  • Numeral 55 is a guide roll. In this case, the drawn out end portion of the coiled material 2 must be positioned at the upper portion of said coiled material 2.
  • the sliding table 10 is retracted on the base 44 by the retracting movement of the piston rod 46 due to the operation of the cylinder 47, and the coiled material 2 is gradually drawn out according to the movement of the sliding table 10.
  • the position of the roll 12 is not displaced on the drawn out portion of the coiled material2.
  • the drawing and guiding mechanism of the coiled material is so designed that when the winding diameter of the coiled material 2 decreases, the cylinder 49 operates in accordance with said decrease, and the upper surface of the sliding table 10 is always positioned in the alignment with the tangential direction of the coiled material 2.
  • a method of automatically loading coiled material in position in an uncoiler comprising the steps of positioning and holding a movable support surface at a loading station spaced from the uncoiler, loading a unit of coiled material on the movable support surface held in the loading position, moving the support surface and the coiled material into a standby position spaced between the loading position and the uncoiler, holding the coiled material in the standby position, monitoring the movement of the coiled material located in the uncoiler and generating a signal when the trailing end portion of the coiled material in the uncoiler has passed a position downstream of the uncoiler, in response to the signal generated by the trailing end portion of the coiled material removed from the uncoiler moving the coiled material on the support surface into the position of the uncoiler, sensing the outside diameter of the coiled material on the support surface in the uncoiler, lifting the coiled material on the support surface and moving the coiled material into a position where the

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
US00178566A 1970-09-09 1971-09-08 Method of auto-loading of coiled material in blanking line Expired - Lifetime US3767133A (en)

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Application Number Priority Date Filing Date Title
JP7849270 1970-09-09

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US (1) US3767133A (de)
DE (1) DE2145179C2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586673A (en) * 1981-10-05 1986-05-06 Rengo Co., Ltd. Apparatus for automatically mounting a web roll on a mill roll stand
US4688736A (en) * 1985-01-29 1987-08-25 Maschinenfabrik Fr. Niepmann Gmbh & Co. Apparatus for engaging and loosening the beginning of a reel
US7441722B2 (en) * 2001-09-18 2008-10-28 Anthony J. Mancuso Coil reel hold-down device
CN110139819A (zh) * 2017-03-22 2019-08-16 菲利普莫里斯生产公司 从筒管移除粘性标签的方法以及从筒管中的卷曲片材的端部部分分离粘性标签的设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4021894A1 (de) * 1990-07-10 1992-01-16 Roland Man Druckmasch Vorrichtung zum zentrischen ausrichten einer bedruckstoffbahnrolle
DE10020909B4 (de) * 2000-04-28 2004-07-22 Koenig & Bauer Ag Vorrichtung zur Förderung einer Vorratsrolle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228477A (en) * 1938-06-27 1941-01-14 Bliss E W Co Unwinding reel and carriage assembly
US2419699A (en) * 1944-06-08 1947-04-29 Goodman Mfg Co Loading and feeding apparatus for coils of strip metal
US2756943A (en) * 1953-06-10 1956-07-31 United Eng Foundry Co Method of and apparatus for handling coiled metal strip
US3010672A (en) * 1959-09-01 1961-11-28 Jr Owen S Cecil Coil opener and uncoiler
US3368770A (en) * 1965-07-26 1968-02-13 United Eng Foundry Co Coil handling apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2679363A (en) * 1947-07-11 1954-05-25 United States Steel Corp Coil handling apparatus
DE859440C (de) * 1947-08-19 1952-12-15 Davy & United Eng Co Ltd Hubvorrichtung
US3415459A (en) * 1965-06-14 1968-12-10 United Eng Foundry Co Coil uncoiling arrangement
US3351299A (en) * 1966-08-10 1967-11-07 United States Steel Corp Coil car
AT273864B (de) * 1967-11-06 1969-08-25 Voest Ag Vorrichtung zum Aufbringen von Bunden auf eine Abwickelhaspel
GB1260829A (en) * 1969-02-21 1972-01-19 Hitachi Ltd Method and apparatus for automatically aligning a coil

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228477A (en) * 1938-06-27 1941-01-14 Bliss E W Co Unwinding reel and carriage assembly
US2419699A (en) * 1944-06-08 1947-04-29 Goodman Mfg Co Loading and feeding apparatus for coils of strip metal
US2756943A (en) * 1953-06-10 1956-07-31 United Eng Foundry Co Method of and apparatus for handling coiled metal strip
US3010672A (en) * 1959-09-01 1961-11-28 Jr Owen S Cecil Coil opener and uncoiler
US3368770A (en) * 1965-07-26 1968-02-13 United Eng Foundry Co Coil handling apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586673A (en) * 1981-10-05 1986-05-06 Rengo Co., Ltd. Apparatus for automatically mounting a web roll on a mill roll stand
US4688736A (en) * 1985-01-29 1987-08-25 Maschinenfabrik Fr. Niepmann Gmbh & Co. Apparatus for engaging and loosening the beginning of a reel
US7441722B2 (en) * 2001-09-18 2008-10-28 Anthony J. Mancuso Coil reel hold-down device
CN110139819A (zh) * 2017-03-22 2019-08-16 菲利普莫里斯生产公司 从筒管移除粘性标签的方法以及从筒管中的卷曲片材的端部部分分离粘性标签的设备
US11267669B2 (en) 2017-03-22 2022-03-08 Philip Morris Products S.A. Method to remove an adhesive label from a bobbin and apparatus to detach an adhesive label from an end portion of a coiled sheet in a bobbin
CN110139819B (zh) * 2017-03-22 2022-03-11 菲利普莫里斯生产公司 从筒管移除粘性标签的方法以及从筒管中的卷曲片材的端部部分分离粘性标签的设备

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Publication number Publication date
DE2145179A1 (de) 1972-03-16
DE2145179C2 (de) 1982-03-04

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