US3648495A - Individually driven drawing blocks intended for storage-type wire drawing machines - Google Patents

Individually driven drawing blocks intended for storage-type wire drawing machines Download PDF

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Publication number
US3648495A
US3648495A US852208A US3648495DA US3648495A US 3648495 A US3648495 A US 3648495A US 852208 A US852208 A US 852208A US 3648495D A US3648495D A US 3648495DA US 3648495 A US3648495 A US 3648495A
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US
United States
Prior art keywords
block
wire
arm
friction
motor
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Expired - Lifetime
Application number
US852208A
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English (en)
Inventor
Karl Lars Gunner Rabe
Karl Sune Ingemar Hanaeus
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ARBOGA MEKANISKA VERKSTAD AB
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ARBOGA MEKANISKA VERKSTAD AB
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Publication of US3648495A publication Critical patent/US3648495A/en
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Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/003Regulation of tension or speed; Braking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C1/00Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/02Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/14Drums, 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

Definitions

  • ABSTRACT There is provided an arrangement for automatically maintaining the amount of wire stored on individually driven drawing blocks in wire drawing machines at a constant level within preselected operating conditions, the arrangement comprising a friction arm and friction elements adapted to urge at a preselected pressure a wire guiding roller or like member against the wire as it is unwound from the block, and wherein means are provided for connecting the friction arm to a device which registers deviations in the angular position of the arm and transmits a signal in response to said deviations to the motor driving the block, thereby to change the speed at which the motor and/or the block rotates.
  • the present invention relates to an arrangement in individually driven drawing blocks adapted for use in storage type wire drawing machines in which friction arms slip against the block so as to guide the wire stored on the block as it is unwound therefrom.
  • Storage type wire drawing machines which work with considerable quantities of wire woundstoredon the block, have become very popular, partly because they are relatively inexpensive, and partly because the wire is cooled in a superior fashion to other types of machines which is of great ad vantage in all wire manufacturing processes.
  • the machines may either operate continuously, wherewith they comprise a plurality of drawing blocks arranged in groups, or they may comprise separate units.
  • As the wire stored on the block is unwound therefrom, it is guided by a friction arm arranged at the top of the block, there being one such arm for each block, and which serves to maintain tension in the wire as it is unwo jjlind, to prevent snarling, etc.
  • the friction arms are pivotally mounted in the blocks and provided with adjustable, spring biased friction ele ments arranged between the arm and the block.
  • a guide roller or like member rotatably mounted on the outer end of the friction am can be held against the wire unwound from the rotating block with a frictional force created by the slip between the friction elements, this force maintaining tension in the wire and being equalized by the resistance exerted by the wire.
  • the arm will remain stationary. Any change from the amount of wire on the block, however, will cause the arm to swing so as to maintain the balance between the frictional force and the resistance of the wire.
  • the object of the invention is to provide in individually driven drawing blocks of the aforementioned type an arrangement which functions automatically and completely eliminates the possibility of both twisting and uneven cooling of the wire as well as reducing the amount of necessary supervision.
  • An arrangement constructed in accordance with the invention which completely fulfills this object and has an advantageous effect on production since it obviates the necessity of stopping and starting the separate drawing block units to regulate the height of the wire stored on the block, is mainly characterized in that the friction arm is pivotally mounted in the block by means of a spindle or like member secured to the arm, the spindle also being connected to an angle registering device which upon deviation of the friction arm from its selected position transmits a signal corresponding to the magnitude of the swing effected by the arm to cause a corresponding compensating change in the speed of the block drive motor and/or the block.
  • the spindle or like member is adapted to extend within the drive shaft of the block, the shaft therefore being of tubular construction. The end of the spindle remote from the friction arm projects beyond the tubular driving shaft
  • FIG. 1 shows a vertical section through a separately driven storage-type drawing block provided with the arrangement of the invention.
  • FIG. 2 is an enlarged detail view with parts broken away showing the friction arm 12 and friction surfaces 113 and M and the connection between the spindle and friction arm.
  • the rotatable drawing block I is mounted on a vertical shaft 2 which is journaled in the stand 3, for example at the positions indicated by arrows 4 and 5.
  • the manner in which the shaft is journaled to the stand is not essential to the invention and will not be described in detail.
  • the worm gear 7 is turned by means of a DC motor (not shown) intended to drive the unit individually.
  • the stand 3 also supports a table 8 and a standard 9 which in turn supports a rotatable but non-driven pulley or roller 10 above the block 1.
  • the pulley It serves as a guide pulley for the wire as it is unwound from the block I.
  • the wire during its passage from the block to the pulley passes around a rotatable but nondriven guide roller or pulley 11 mounted on one end of a known friction arm 12 which is of the aforementioned type and which is pivotally mounted in the block 1, said end of the friction arm 12 projecting radially outwards from said block.
  • the friction am 12 and the guide roller 11 as sociated therewith are used during operation of the unit with the assistance of the frictional force set between the arm and the block to maintain a suitable tension in the wire as it is unwound, whereupon the mentioned state of equilibrium is obtained between the frictional force and the resistance of the wire, and the arm remains stationary while sliding against the block at a constant quantity of wire on the block or a constant height of wire stored on the block.
  • the state of equilibrium is not solely used to maintain a convenient tension in the wire as it is unwound from the block as was previously the case, but also to maintain automatically the amount of wire taken up on the block constant, whereby twisting and uneven cooling of the wire is prevented and the necessity of machine inspection reduced.
  • the pivoting movement of arm 12 is used during operation of the unit to control the speed at which the block rotates. In this way, a reduction in the amount of wirethe amount stored-on the block can be automatically compensated by increasing the speed of the block, and vice versa.
  • the pivoting movement of the friction arm is transferred to a suitable device which registers the angle through which the arm moves and sends a signal corresponding to the magnitude of this angle to the speed regulating means of the motor (not shown), whereupon said speed regulating means as a result thereof cause a change in the rotation speed of the block which corresponds with the signal and which compensates for the outswing of the friction arm, thereby maintaining a constant amount of wire wound on the block.
  • the friction arm 12 is pivotally mounted to the block 1 by means of a spindle 16 and firmly attached to one end of said spindle.
  • the spindle 16 is arranged for movement within the drive shaft 2 of the block, the shaft 2 being tubular to enable it to accommodate the spindle.
  • the end 17 of the spindle l6 remote from the friction arm 12 projects beyond the drive shaft 2 at the lower end thereof and is there connected with an angle registering device 18.
  • the angle registering device 18 is of the electrical transducer type. This device is mounted so that one active part thereof is attached to the spindle, while its other active part is attached to a portion of the stand 3, for example to the stationary bearing block 19.
  • the angle registering device may be in the fon'n of a turn type potentiometer, for example, or any other suitable device capable of transmitting a signal corresponding to a change in the position of the friction arm 12 to change the speed of the motor and/or the block in response to the deflection of the arm. It is therefore also possible within the scope of the invention to use a mechanical angle registering means to regulate the speed at which the block rotates, and thus a mechanical variator may also be considered in this respect.
  • the arrangement of the invention is fully automatic and is intended to be connected only when the drawing block unit has reached its normal operational state with respect to rotative speed, quantity of wire located thereon and the selected position of the friction arm, this position being indicated by a check lamp 20 mounted on the table 8.
  • the actual operational speed is set manually by the machine operators by means of a control knob 21 on the table 8.
  • an electric switch 22 on table 8 is activated which connects up'the arrangement of the invention, whereupon said arrangement takes control of the machine and ensures that the friction arm 12 remains in the selected position by immediately compensating any tendency of the arm to deviate from this position with the necessary changes in block speed, in either direction.
  • a control apparatus for a motor driven drawing block for use in storage type wire drawing machines comprising a tubular shaft in said block having a spindle member movably disposed therein, said spindle member being securely attached at one end to a friction arm and at its other end to an angle registering device so that swinging movement of said friction arm relative to said block will be sensed by said angle registering device, said device having an output which varies in response to movements of said friction arm, said output being connected to the motor of said block whereby the speed of said motor will vary in response to changes in said output, said block having a friction surface in adjustable engagement with said friction arm whereby said arm will be driven by said block.
  • control apparatus characterized in that the angle registering means is of the electrical type and comprises a transducer.
  • angle registering means is connected to the spindle or like member, while the other active part thereof is connected to the block stand 4.
  • the control apparatus characterized in that the angle registering means is of the electrical type and comprises a turn type potentiometer.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Ropes Or Cables (AREA)
US852208A 1968-08-30 1969-08-22 Individually driven drawing blocks intended for storage-type wire drawing machines Expired - Lifetime US3648495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE11685/68A SE325852B (enrdf_load_stackoverflow) 1968-08-30 1968-08-30

Publications (1)

Publication Number Publication Date
US3648495A true US3648495A (en) 1972-03-14

Family

ID=20294427

Family Applications (1)

Application Number Title Priority Date Filing Date
US852208A Expired - Lifetime US3648495A (en) 1968-08-30 1969-08-22 Individually driven drawing blocks intended for storage-type wire drawing machines

Country Status (6)

Country Link
US (1) US3648495A (enrdf_load_stackoverflow)
JP (1) JPS496032B1 (enrdf_load_stackoverflow)
DE (1) DE1943814A1 (enrdf_load_stackoverflow)
FR (1) FR2016692A1 (enrdf_load_stackoverflow)
GB (1) GB1225106A (enrdf_load_stackoverflow)
SE (1) SE325852B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750449A (en) * 1970-10-21 1973-08-07 Arboga Mek Verk Ab Arrangement in storage type wire drawing machines for continuously controlling the speed of an individually driven drawing block having an associated guide block arranged coaxially therewith and a guide pulley arranged between the blocks
CN103599952A (zh) * 2013-11-26 2014-02-26 无锡平盛科技有限公司 用于收放线的气动顶升部件
CN115245969A (zh) * 2022-09-24 2022-10-28 常州九洲创胜特种铜业有限公司 一种无氧铜杆卷收设备及其卷收方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1025588A (en) * 1910-07-25 1912-05-07 Waterbury Farrel Foundry Co Wire-drawing machine.
US1316935A (en) * 1918-09-14 1919-09-23 Charles A Barron Continuous-wire-drawing machine.
US1482860A (en) * 1922-05-22 1924-02-05 O & J Machine Company Stringing-up device for wiredrawing deums
US1534998A (en) * 1921-06-20 1925-04-21 Vaughn Machinery Co Wire-drawing mechanism
US1915722A (en) * 1930-09-11 1933-06-27 American Steel & Wire Co Wire drawing machine
US2213344A (en) * 1939-08-01 1940-09-03 Johnson Steel & Wire Company I Wire-drawing machine
US2272192A (en) * 1940-07-10 1942-02-10 Aetna Standard Eng Co Wire drawing machine
US2664250A (en) * 1950-05-24 1953-12-29 Nat Machinery Co Stock reel speed control mechanism
US3133629A (en) * 1960-03-18 1964-05-19 Syncro Mach Co Storage type wire drawing machine
US3459024A (en) * 1965-07-20 1969-08-05 Marshall Richards Machine Co L Multihole wire-drawing machine and a method of threading up the same

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1025588A (en) * 1910-07-25 1912-05-07 Waterbury Farrel Foundry Co Wire-drawing machine.
US1316935A (en) * 1918-09-14 1919-09-23 Charles A Barron Continuous-wire-drawing machine.
US1534998A (en) * 1921-06-20 1925-04-21 Vaughn Machinery Co Wire-drawing mechanism
US1482860A (en) * 1922-05-22 1924-02-05 O & J Machine Company Stringing-up device for wiredrawing deums
US1915722A (en) * 1930-09-11 1933-06-27 American Steel & Wire Co Wire drawing machine
US2213344A (en) * 1939-08-01 1940-09-03 Johnson Steel & Wire Company I Wire-drawing machine
US2272192A (en) * 1940-07-10 1942-02-10 Aetna Standard Eng Co Wire drawing machine
US2664250A (en) * 1950-05-24 1953-12-29 Nat Machinery Co Stock reel speed control mechanism
US3133629A (en) * 1960-03-18 1964-05-19 Syncro Mach Co Storage type wire drawing machine
US3459024A (en) * 1965-07-20 1969-08-05 Marshall Richards Machine Co L Multihole wire-drawing machine and a method of threading up the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750449A (en) * 1970-10-21 1973-08-07 Arboga Mek Verk Ab Arrangement in storage type wire drawing machines for continuously controlling the speed of an individually driven drawing block having an associated guide block arranged coaxially therewith and a guide pulley arranged between the blocks
CN103599952A (zh) * 2013-11-26 2014-02-26 无锡平盛科技有限公司 用于收放线的气动顶升部件
CN103599952B (zh) * 2013-11-26 2015-07-29 无锡平盛科技有限公司 用于收放线的气动顶升部件
CN115245969A (zh) * 2022-09-24 2022-10-28 常州九洲创胜特种铜业有限公司 一种无氧铜杆卷收设备及其卷收方法
CN115245969B (zh) * 2022-09-24 2022-12-27 常州九洲创胜特种铜业有限公司 一种无氧铜杆卷收设备及其卷收方法

Also Published As

Publication number Publication date
SE325852B (enrdf_load_stackoverflow) 1970-07-13
JPS496032B1 (enrdf_load_stackoverflow) 1974-02-12
GB1225106A (enrdf_load_stackoverflow) 1971-03-17
FR2016692A1 (enrdf_load_stackoverflow) 1970-05-08
DE1943814A1 (de) 1970-03-05

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