EP0200423A2 - Drahtspeicher mit Doppeltrommel - Google Patents

Drahtspeicher mit Doppeltrommel Download PDF

Info

Publication number
EP0200423A2
EP0200423A2 EP86302862A EP86302862A EP0200423A2 EP 0200423 A2 EP0200423 A2 EP 0200423A2 EP 86302862 A EP86302862 A EP 86302862A EP 86302862 A EP86302862 A EP 86302862A EP 0200423 A2 EP0200423 A2 EP 0200423A2
Authority
EP
European Patent Office
Prior art keywords
block
accumulator
wire
draw
double
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Withdrawn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
EP86302862A
Other languages
English (en)
French (fr)
Other versions
EP0200423A3 (de
Inventor
John David Newbolt
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.)
Tinsley Wire Sheffield Ltd
Tinsley Wire Ltd
Original Assignee
Tinsley Wire Sheffield Ltd
Tinsley Wire Ltd
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 Tinsley Wire Sheffield Ltd, Tinsley Wire Ltd filed Critical Tinsley Wire Sheffield Ltd
Publication of EP0200423A2 publication Critical patent/EP0200423A2/de
Publication of EP0200423A3 publication Critical patent/EP0200423A3/de
Withdrawn legal-status Critical Current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
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/04—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
    • B21C1/08—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series in which the material does not slip on the drums
    • B21C1/10—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series in which the material does not slip on the drums with accumulation of material between consecutively-arranged dies
    • 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
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/14—Drums, e.g. capstans; Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B65H51/22—Reels or cages, e.g. cylindrical, with storing and forwarding surfaces provided by rollers or bars

Definitions

  • This invention relates to a double block wire accumulator as is used in a wire processing line, such as wire drawing or wire galvanising, and in which a draw block is secured to a hollow outer shaft, an accumulator block is journalled on an inner shaft for free rotation in one direction only, a take-off ring is freely rotatable on the inner shaft between the draw block and the accumulator block and carries a turn-back pulley, a motor is provided for driving the hollow outer shaft and draw block at the processing line speed in the opposite direction to that in which the accumulator block is freely rotatable on the inner shaft, and means is provided for applying torque to the take-off ring in the direction of draw block rotation.
  • Wire wound in one direction on the draw block passes round the turn-back pulley and is wound in the opposite direction on the accumulator block.
  • torque applied to the take-off ring is counter-balanced by tension in the wire and causes the take-off ring and turn-back pulley to remain in a substantially fixed position.
  • the take-off ring responds to an increase, or decrease in wire tension by rotating in one direction or the other, as required, to restore desired tension
  • the accumulator block responds to differences between the processing line speed and speed of take-off from the accumulator block, e.g., by a driven reel, by speeding up or slowing down, as required, to release more or less wire until the speeds are again equal.
  • the processing line is one of a plurality arranged side-by-side, e.g., in a wire galvanising plant where stoppage of the processing line causes defective material to be produced.
  • the object of the invention is to provide a double block wire accumulator which allows of cutting out of a substantial length of defective wire without having to stop the processing line.
  • a double block wire accumulator as described above is provided with means for overdriving the accumulator block for a period, means for stopping rotation of the accumulator block, and means for holding the accumulator block stationary for a period.
  • Wire W wound in one direction on the draw block 2 passes round the turn-back pulley 7 and is wound in the opposite direction on the accumulator block 4, from which the wire is taken off, as by a take-off to be described presently.
  • torque applied to the take-off ring 6 (by the means 9) is counter-balanced by tension in the wire and causes the take-off ring and turn-back pulley 7 to remain in a substantially fixed position.
  • the take-off ring 6 responds to an increase or decrease in wire tension by rotating in one direction or the other, as required, to restore desired tension
  • the accumulator block 4 responds to differences between the processing line speed and speed of take-off from the accumulator block by speeding up or slowing down, as required, to release more or less wire until the speeds are again equal.
  • An independent electric motor 10 for overdriving the accumulator block 4 for a period is coupled to the inner shaft 5, and the motor 10 incorporates a brake 11 for stopping rotation of the accumulator block and for holding it stationary for a period.
  • the accumulator block 4 is overdriven until the defective portion is transferred from the draw block to the accumulator block (i.e., increasing the number of turns of wire on the accumulator block and decreasing the number of turns on the draw block, as in Figure 5), the accumulator block is stopped and held stationary while the defective portion DW of wire W is cut out and removed (with, meanwhile, the number of turns of wire on the draw block building up again, as in Figure 6) and the ends E of the remaining good wire connected together by welding (see Figure 7), and then the accumulator block is released to allow it to resume free rotation again on the inner shaft 5.
  • the take-off from the accumulator block is driven by its own independent electric motor 13 through a variable speed gearbox 14, control of the speed ratio of which is effected in accordance with the number of turns of wire W on the accumulator block 4 as sensed by maximum and minimum micro-switches 15, 16 respectively.
  • the wire W is led from the accumulator block 4 to the reel 12 via a swivelling guide pulley 17 and a swivelling traversing pulley 18 with a traversing drive 19 (not detailed beyond its input pulley 20) derived from the reel drive 13, 14, and a releasable wire clamp 21 is preferably provided between the two pulleys 17, 18.
  • independent electric motors (10 and 13) for overdriving the accumulator block 4 and the take-off or reel 12 is not only because these drives are independent of the drive for the draw block 2 (which is matched for speed to the feed of the processing line) but also becuase, as shown in Figure 3, the draw blocks 2 of a plurality of double block wire accumulators 1 arranged side-by-side (e.g., in a wire galvanising plant) can be driven by a common electric motor 8 through cardan shafts 22 and worm reducers 23, and there may be reduction gear 24 between the motor 8 and the first of the cardan shafts 22.
  • a control console 25 for the row of double block wire accumulators 1 is also indicated in Figure 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Electric Cable Installation (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
EP86302862A 1985-04-19 1986-04-17 Drahtspeicher mit Doppeltrommel Withdrawn EP0200423A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8510121 1985-04-19
GB858510121A GB8510121D0 (en) 1985-04-19 1985-04-19 Double block wire accumulator

Publications (2)

Publication Number Publication Date
EP0200423A2 true EP0200423A2 (de) 1986-11-05
EP0200423A3 EP0200423A3 (de) 1987-05-13

Family

ID=10577943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86302862A Withdrawn EP0200423A3 (de) 1985-04-19 1986-04-17 Drahtspeicher mit Doppeltrommel

Country Status (2)

Country Link
EP (1) EP0200423A3 (de)
GB (2) GB8510121D0 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912924C (de) * 1950-05-15 1954-06-03 Barron & Crowther Ltd Drahtziehbank mit mehreren Ziehstufen
DE2111471A1 (de) * 1971-03-10 1972-09-14 Wilhelm Breitenbach Maschinenf Drahtziehbank mit mehreren Ziehstufen(I)
US4511096A (en) * 1983-11-14 1985-04-16 Morgan Construction Company Spinner drive for double block wire drawing machine

Also Published As

Publication number Publication date
GB8609428D0 (en) 1986-05-21
GB2174726B (en) 1988-06-15
GB8510121D0 (en) 1985-05-30
GB2174726A (en) 1986-11-12
EP0200423A3 (de) 1987-05-13

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Inventor name: NEWBOLT, JOHN DAVID