EP2149408A1 - Sheet metal accumulator of the loop type with traction winding - Google Patents

Sheet metal accumulator of the loop type with traction winding Download PDF

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Publication number
EP2149408A1
EP2149408A1 EP09166379A EP09166379A EP2149408A1 EP 2149408 A1 EP2149408 A1 EP 2149408A1 EP 09166379 A EP09166379 A EP 09166379A EP 09166379 A EP09166379 A EP 09166379A EP 2149408 A1 EP2149408 A1 EP 2149408A1
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EP
European Patent Office
Prior art keywords
sheet metal
turntable
accumulator
mobile
loops
Prior art date
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Granted
Application number
EP09166379A
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German (de)
French (fr)
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EP2149408B2 (en
EP2149408B1 (en
Inventor
Vittorio Travini
Riccardo Bosoni
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Olimpia 80 SRL
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Olimpia 80 SRL
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Application filed by Olimpia 80 SRL filed Critical Olimpia 80 SRL
Priority to PL09166379T priority Critical patent/PL2149408T3/en
Publication of EP2149408A1 publication Critical patent/EP2149408A1/en
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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 OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C49/00—Devices for temporarily accumulating material

Definitions

  • the present invention refers to a sheet metal accumulator of the loop type with traction winding.
  • sheet metal accumulators which act as a reservoir to allow constant feeding of the production line situated downstream of the accumulator are well known to the art and normally used.
  • the accumulator is normally placed between at least one coil-carrying reel and the production line and accumulates a sufficient amount of sheet metal to allow an empty reel to be replaced with a reel bearing a coil of sheet metal and to join the sheet metal of the new coil with the "tail" of the sheet metal already unwound from the empty coil without having to stop the production line.
  • sheet metal accumulator Many types of sheet metal accumulator are known to the art, amongst which can be cited, purely by way of example, pit accumulators (free loop) and accumulators of the loop type with thrust-type winding (known as floops) which have the great drawback of not operating correctly if the sheet metal is (too) thin and/or is made of (overly) ductile material.
  • pit accumulators free loop
  • floops thrust-type winding
  • a sheet metal accumulator of the loop type with traction winding is able to overcome the aforementioned drawback.
  • Systems such as, for example, coil winders which accumulate sheet metal by traction are known to the art, but the Applicant is not aware of accumulators that accumulate sheet metal in loops by traction.
  • Object of the present invention is to produce a sheet metal accumulator of the loop type with traction winding that does not present the drawbacks and limitations previously described; this object is achieved by means of a sheet metal accumulator of the loop type with traction winding having the characterising features set forth in claim 1.
  • the sheet metal accumulator of the loop type with traction winding is placed between a source of sheet metal (preferably a coil-carrying reel) and a production line and comprises at least one inlet group, a pinch roll, an external mobile turntable, an internal fixed turntable coaxial with the mobile one, a helical path integral to the fixed turntable and adjustment means situated at the in-put and at the output of the accumulator.
  • a source of sheet metal preferably a coil-carrying reel
  • a production line comprises at least one inlet group, a pinch roll, an external mobile turntable, an internal fixed turntable coaxial with the mobile one, a helical path integral to the fixed turntable and adjustment means situated at the in-put and at the output of the accumulator.
  • the two turntables carry a plurality of rolls, suited to carry loops of sheet metal, which are mounted on swinging arms connected to one another by tie rods and moved by hydraulic or pneumatic means (or by other functionally equivalent hydraulic means), operation of which is managed by a logic unit that controls also adjustment means suited to control and adjust at least the tension of the sheet metal entering the accumulator.
  • the loops of sheet metal are traction wound on said rolls.
  • Figure 1 shows diagrammatically a front view of a sheet metal accumulator 1 produced according to the invention, which is carried by a metal structure 100 and which comprises at least one inlet group 2 suited to guide the sheet metal 20, a pinch roll 3, a mobile roll (dandy roll) 4 which controls the tension of the incoming sheet metal 20, a series of idle rolls 5, an external mobile turntable 6 carrying an idle traction roll 12, an internal fixed turntable 7 (coaxial with the turntable 6) carrying an idle transmission roll 13, a helical path 15 (seen better in Figure 2 ) integral with the fixed turntable 7 and a mobile roll (dandy roll) 18 which controls the tension of the sheet metal 20 exiting the accumulator 1.
  • the inlet group 2, the pinch roll 3, the mobile rolls (4, 18), the idle rolls (5, 12, 13) and the helical path 15 will not be described herein because they are known to a person skilled in the art.
  • the two turntables 6, 7 carry a plurality of rolls 8 suited to carry the loops of sheet metal traction wound on said rolls 8, which are mounted on swinging arms 9 connected to one another by tie rods 10 and driven by pistons 11 (or by other known hydraulic means; Figure 3 ), operation of which is managed by a logic unit which, preferably, also controls the pinch roll ( ⁇ 3) ⁇ and the external turntable 6.
  • the sheet metal 20 passes through the inlet group 2, the pinch roll 3, the mobile roll 4 and the idle rolls 5 to reach the traction roll 12 of the mobile turntable 6 which, rotating with the turntable 6, winds up the entering sheet metal 20 onto the loops of sheet metal present on the mobile turntable 6 and, at the same time, winds up onto the loops of sheet metal present on the fixed turntable 7 the sheet metal 20 coming from the loop of sheet metal in contact with the rolls 8 of the mobile turntable 6.
  • the sheet metal 20 coming from the fixed turntable 7 and from the helical path 15 passes beneath the mobile roll 18 before reaching the production line.
  • Figure 2 shows diagrammatically a side view of the sheet metal accumulator 1 of Figure 1 ; for the sake of simplicity of the graphic representation, in Figure 2 only the metal structure 100, the mobile turntable 6, the helical path 15, one of the rolls 8, one of the swinging arms 9 and one of the tie rods 10 have been denoted by the respective reference numerals.
  • Figure 3 shows diagrammatically a rear view of the sheet metal accumulator 1 of Figure 1 ; visible in Figure 3 are the metal structure 100, the inlet group 2, the pinch roll 3, the means 41 that control the mobile roll 4, the rear part of the mobile turntable 6 carrying the hydraulic cylinders 11 which act on the pins of the swinging arms 9 and the rear part of the fixed turntable 7.
  • each hydraulic cylinder 11 acts on the pin of one of the swinging arms 9, mechanically coupled to the pins of the adjacent swinging arms 9 by means of the tie rods 10.
  • Figure 4 shows diagrammatically the sheet metal accumulator 1 of Figure 1 in the stand-by condition: the sheet metal 20 passes only in the inlet group 2, in the pinch roll 3, on the mobile roll 4, on the idle rolls 5, on the idle transmission roll 13, on the helical path 15 and on the mobile roll 18 (which controls the tension of the sheet metal 20 exiting the accumulator 1) without involving the two turntables 6, 7.
  • Figures 5 and 6 show diagrammatically the sheet metal accumulator 1 of Figure 1 in two successive steps of winding of the sheet metal 20 on the mobile and fixed turntables 6, 7.
  • the mobile turntable 6 begins to turn in a counter-clockwise direction (in the embodiment described here) causing the input speed of the sheet metal 20 into the accumulator 1 to be greater than its output speed towards the production line.
  • the traction roll 12, integral with the turntable 6, draws the sheet metal 20 against the transmission roll-13 of the fixed turntable 7 ( Figure 5 ) and then onto the rolls 8 carried by the mobile turntable 6 and by the fixed turntable 7 ( Figure 6 ) and continues to rotate at this speed until the pre-set number of loops has been formed on the two turntables 6, 7.
  • the input speed of the sheet metal 20 into the accumulator 1 correlates with the rotation speed of the pinch roll 3 and that during formation of the loops on the two turntables 6, 7, the sheet metal 20 leaves the accumulator 1 at the speed required to feed the production line.
  • the mobile turntable 6 and the pinch roll 3 reduce their rotation speed so that when the mobile turntable 6 is at a standstill, the quantity of sheet metal 20 that enters into the accumulator 1 is equal to that exiting towards the production line.
  • the pinch roll 3 gradually slows down until it stops (blocking the incoming sheet metal 20) while the mobile turntable 6 starts rotating in a direction opposite to the previous one to pay off the loops formed on the turntables 6 and 7 and feed the production line with the sheet metal 20 stored in the accumulator 1.
  • pinch roll 3 blocks the incoming sheet metal 20 allows the sheet metal source to be replaced, joining another coil to the end of the incoming sheet metal 20.
  • the mobile turntable When there is no more sheet metal 20 stored in the accumulator 1, the mobile turntable gradually slows down until it stops and, if the inflow of sheet metal 20 to the inlet thereof has been restored, it switches (or can switch) to the stand-by condition ( Figure 4 ) and, subsequently, once again winds up (or can wind up) the sheet metal 20 onto the two turntables 6 and 7 ( Figures 5 and 6 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Winding Of Webs (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Jib Cranes (AREA)
  • Winding Filamentary Materials (AREA)

Abstract

A sheet metal accumulator (1) of the loop type with traction winding is disclosed, comprising at least one external mobile turntable (6), an internal fixed turntable (7), coaxial with the mobile one, and a helical path (15) integral to the internal fixed turntable (7).
The two turntables (6, 7) carry a plurality of rolls (8), suited to carry loops of sheet metal, which are mounted on swinging arms (9) connected to one another by tie rods (10) and driven by hydraulic means (11), operation of the swinging arms (9) being controlled by a logic unit which preferably controls also the adjustment means (3) and the mobile turntable (6) to control and adjust at least the tension of the sheet metal (20) entering the accumulator (1).

Description

  • The present invention refers to a sheet metal accumulator of the loop type with traction winding.
  • In the field of pipes and/or welded sections produced on continuous production lines, sheet metal accumulators which act as a reservoir to allow constant feeding of the production line situated downstream of the accumulator are well known to the art and normally used.
  • The accumulator is normally placed between at least one coil-carrying reel and the production line and accumulates a sufficient amount of sheet metal to allow an empty reel to be replaced with a reel bearing a coil of sheet metal and to join the sheet metal of the new coil with the "tail" of the sheet metal already unwound from the empty coil without having to stop the production line.
  • Many types of sheet metal accumulator are known to the art, amongst which can be cited, purely by way of example, pit accumulators (free loop) and accumulators of the loop type with thrust-type winding (known as floops) which have the great drawback of not operating correctly if the sheet metal is (too) thin and/or is made of (overly) ductile material.
  • A sheet metal accumulator of the loop type with traction winding is able to overcome the aforementioned drawback. Systems (such as, for example, coil winders) which accumulate sheet metal by traction are known to the art, but the Applicant is not aware of accumulators that accumulate sheet metal in loops by traction.
  • Object of the present invention is to produce a sheet metal accumulator of the loop type with traction winding that does not present the drawbacks and limitations previously described; this object is achieved by means of a sheet metal accumulator of the loop type with traction winding having the characterising features set forth in claim 1.
  • Further advantageous characteristics of the invention form the subject matter of the dependent claims.
  • The sheet metal accumulator of the loop type with traction winding is placed between a source of sheet metal (preferably a coil-carrying reel) and a production line and comprises at least one inlet group, a pinch roll, an external mobile turntable, an internal fixed turntable coaxial with the mobile one, a helical path integral to the fixed turntable and adjustment means situated at the in-put and at the output of the accumulator.
  • The two turntables carry a plurality of rolls, suited to carry loops of sheet metal, which are mounted on swinging arms connected to one another by tie rods and moved by hydraulic or pneumatic means (or by other functionally equivalent hydraulic means), operation of which is managed by a logic unit that controls also adjustment means suited to control and adjust at least the tension of the sheet metal entering the accumulator.
  • The loops of sheet metal are traction wound on said rolls.
  • The invention will now be described with reference to purely exemplifying (and therefore non limiting) embodiments illustrated in the appended figures, wherein:
    • Figure 1 shows diagrammatically a front view of a sheet metal accumulator of the loop type produced according to the invention, in a working condition;
    • Figure 2 shows diagrammatically a side view of the sheet metal accumulator of Figure 1;
    • Figure 3 shows diagrammatically a rear view of the sheet metal accumulator of Figure 1;
    • Figure 4 shows diagrammatically the sheet metal accumulator of Figure 1 in a stand-by condition;
    • Figure 5 shows diagrammatically the sheet metal accumulator of Figure 1 in a first step of winding of the sheet metal onto the fixed and mobile turntables;
    • Figure 6 shows diagrammatically the sheet metal accumulator of Figure 1 in a second step of winding of the sheet metal, following that of Figure 5.
  • In the appended figures corresponding elements will by identified by the same reference numerals.
  • Figure 1 shows diagrammatically a front view of a sheet metal accumulator 1 produced according to the invention, which is carried by a metal structure 100 and which comprises at least one inlet group 2 suited to guide the sheet metal 20, a pinch roll 3, a mobile roll (dandy roll) 4 which controls the tension of the incoming sheet metal 20, a series of idle rolls 5, an external mobile turntable 6 carrying an idle traction roll 12, an internal fixed turntable 7 (coaxial with the turntable 6) carrying an idle transmission roll 13, a helical path 15 (seen better in Figure 2) integral with the fixed turntable 7 and a mobile roll (dandy roll) 18 which controls the tension of the sheet metal 20 exiting the accumulator 1.
  • The inlet group 2, the pinch roll 3, the mobile rolls (4, 18), the idle rolls (5, 12, 13) and the helical path 15 will not be described herein because they are known to a person skilled in the art.
  • The two turntables 6, 7 carry a plurality of rolls 8 suited to carry the loops of sheet metal traction wound on said rolls 8, which are mounted on swinging arms 9 connected to one another by tie rods 10 and driven by pistons 11 (or by other known hydraulic means; Figure 3), operation of which is managed by a logic unit which, preferably, also controls the pinch roll (̵3)̵ and the external turntable 6.
  • For the sake of simplicity of the graphic representation, the logic unit and its sensors and actuators have been omitted in the appended figures; moreover, in Figure 1 only one loop of sheet metal has been indicated on the mobile turntable 6 and on the fixed turntable 7.
  • In the working condition (Figure 1), the sheet metal 20 passes through the inlet group 2, the pinch roll 3, the mobile roll 4 and the idle rolls 5 to reach the traction roll 12 of the mobile turntable 6 which, rotating with the turntable 6, winds up the entering sheet metal 20 onto the loops of sheet metal present on the mobile turntable 6 and, at the same time, winds up onto the loops of sheet metal present on the fixed turntable 7 the sheet metal 20 coming from the loop of sheet metal in contact with the rolls 8 of the mobile turntable 6.
  • The sheet metal 20 coming from the fixed turntable 7 and from the helical path 15 passes beneath the mobile roll 18 before reaching the production line.
  • Figure 2 shows diagrammatically a side view of the sheet metal accumulator 1 of Figure 1; for the sake of simplicity of the graphic representation, in Figure 2 only the metal structure 100, the mobile turntable 6, the helical path 15, one of the rolls 8, one of the swinging arms 9 and one of the tie rods 10 have been denoted by the respective reference numerals.
  • Figure 3 shows diagrammatically a rear view of the sheet metal accumulator 1 of Figure 1; visible in Figure 3 are the metal structure 100, the inlet group 2, the pinch roll 3, the means 41 that control the mobile roll 4, the rear part of the mobile turntable 6 carrying the hydraulic cylinders 11 which act on the pins of the swinging arms 9 and the rear part of the fixed turntable 7.
  • In the embodiment illustrated in Figure 3, each hydraulic cylinder 11 acts on the pin of one of the swinging arms 9, mechanically coupled to the pins of the adjacent swinging arms 9 by means of the tie rods 10.
  • Figure 4 shows diagrammatically the sheet metal accumulator 1 of Figure 1 in the stand-by condition: the sheet metal 20 passes only in the inlet group 2, in the pinch roll 3, on the mobile roll 4, on the idle rolls 5, on the idle transmission roll 13, on the helical path 15 and on the mobile roll 18 (which controls the tension of the sheet metal 20 exiting the accumulator 1) without involving the two turntables 6, 7.
  • Figures 5 and 6 show diagrammatically the sheet metal accumulator 1 of Figure 1 in two successive steps of winding of the sheet metal 20 on the mobile and fixed turntables 6, 7.
  • Starting from the stand-by condition (Figure 4) in which the input speed of the sheet metal 20 is equal to the output speed, the mobile turntable 6 begins to turn in a counter-clockwise direction (in the embodiment described here) causing the input speed of the sheet metal 20 into the accumulator 1 to be greater than its output speed towards the production line. The traction roll 12, integral with the turntable 6, draws the sheet metal 20 against the transmission roll-13 of the fixed turntable 7 (Figure 5) and then onto the rolls 8 carried by the mobile turntable 6 and by the fixed turntable 7 (Figure 6) and continues to rotate at this speed until the pre-set number of loops has been formed on the two turntables 6, 7.
  • It should be remembered that the input speed of the sheet metal 20 into the accumulator 1 correlates with the rotation speed of the pinch roll 3 and that during formation of the loops on the two turntables 6, 7, the sheet metal 20 leaves the accumulator 1 at the speed required to feed the production line.
  • When the required number of loops has been formed on the two turntables 6, 7, the mobile turntable 6 and the pinch roll 3 reduce their rotation speed so that when the mobile turntable 6 is at a standstill, the quantity of sheet metal 20 that enters into the accumulator 1 is equal to that exiting towards the production line.
  • Once this situation has been reached, the pinch roll 3 gradually slows down until it stops (blocking the incoming sheet metal 20) while the mobile turntable 6 starts rotating in a direction opposite to the previous one to pay off the loops formed on the turntables 6 and 7 and feed the production line with the sheet metal 20 stored in the accumulator 1.
  • The fact that the pinch roll 3 blocks the incoming sheet metal 20 allows the sheet metal source to be replaced, joining another coil to the end of the incoming sheet metal 20.
  • When there is no more sheet metal 20 stored in the accumulator 1, the mobile turntable gradually slows down until it stops and, if the inflow of sheet metal 20 to the inlet thereof has been restored, it switches (or can switch) to the stand-by condition (Figure 4) and, subsequently, once again winds up (or can wind up) the sheet metal 20 onto the two turntables 6 and 7 (Figures 5 and 6).
  • Operation of the traction accumulator 1 of the present invention will not be described in greater detail because it is obvious to a person skilled in the art or in any case can be deduced from operation of thrust-type accumulators known to the art.
  • Without departing from the scope of the invention, a person skilled in the art can make to the sheet metal accumulator previously described all those modifications and improvements suggested by normal experience and/or by the natural evolution of the art.

Claims (8)

  1. A sheet metal accumulator (1) of the loop type, placed between a unit feeding the sheet metal (20) and a production line and comprising at least an inlet group (2), a mobile external turntable (6), an internal fixed turntable (7) coaxial with the mobile one, a helical path (15) integral to the internal fixed turntable (7) and adjustment means (3, 4; 18) suited to control and to adjust the tension of the sheet metal (20) when entering into the accumulator (1), or when exiting from said accumulator, the two turntables (6, 7) carrying a plurality of rolls (8) suited to carry loops of sheet metal, characterized in that the loops of sheet metal are traction-winded on the rolls (8) of the mobile turntable (6) and of the fixed turntable (7) and in that the rolls (8) are mounted on swinging arms (9) connected one another by tie rods (10) and moved by hydraulic means (11).
  2. The sheet metal accumulator (1) according to claim 1, characterized in that the operation of the hydraulic means (11) is controlled by a logic unit that controls also the adjustment means (3) and the mobile turntable (6).
  3. The sheet metal accumulator (1) according to claim 1, characterized in that it also comprises an idle traction roll (12) integral to the mobile turntable (6) and an idle transmission roll (13) integral to the fixed turntable (7).
  4. The sheet metal accumulator (1) according to claim 1, characterized in that each of the hydraulic means (11) acts on the pin of one of the swinging arms (9), which is mechanically coupled with the pins of the adjacent swinging arms (9) by means of the tie rods (10).
  5. The sheet metal accumulator (1) according to at least one of claims 1 to 4, characterized in that, during operation, the sheet metal (20) passes at least through the inlet group (2) and the inlet adjustment means (3, 4) before reaching the traction roll (12) of the mobile turntable (6) that, rotating together with the turntable (6), winds up the entering sheet metal (20) onto the loops of sheet metal present on the mobile turntable (6) and, at the same time, winds up onto the loops of sheet metal present on the fixed turntable (7) the sheet metal (20) coming from the loops of sheet metal in contact with the rolls (8) of the mobile turntable (6), the sheet metal (20) coming from the fixed turntable (7) and from the helical path (15) passing underneath the outlet adjustment means (18) before reaching the production line.
  6. The sheet metal accumulator (1) according to at least one of claims 1 to 4, characterized in that, in order to wind up the sheet metal (20) onto the mobile and the fixed turntables (6, 7), the mobile turntable (6) starts rotating in a first direction at a first speed and the traction roll (12), integral to the mobile turntable (6), drives the sheet metal (20) against the transmission roll (13) of the fixed turntable (7) and then onto the rolls (8) carried by the mobile turntable (6) and by the fixed turntable (7) until forming on the two turntables (6, 7) a pre-set number of loops.
  7. The sheet metal accumulator (1) according to claim 6, characterized in that, when the pre-set number of loops have been formed on the two turntables (6, 7), the mobile turntable (6) and the inlet adjustment means (3) decrease their rotation speed so that, when the mobile turntable (6) is at a standstill, the quantity of sheet metal (20) that enters into the accumulator (1) is equal to that exiting to the production line.
  8. The sheet metal accumulator (1) according to at least one of the claims from 1 to 4 characterized in that, when the feeding unit of the sheet metal (20) needs to be changed, the inlet adjustment means (3) block the incoming sheet metal (20) and the mobile turntable (6) starts rotating in an direction opposite to the previous one to pay off the lops formed on the turntables (6, 7) and to feed the production line with the sheet metal (20) stored in the accumulator (1) and in that, when there is no more sheet metal (20) stored in the accumulator (1), the mobile turntable (6) returns to the home position and the accumulator (1), if the feeding of the sheet metal (20) has been restored in the inlet thereof, switches to the "stand-by" mode and, then, once again winds-up the sheet metal (20) onto the two turntables (6, 7).
EP09166379.9A 2008-07-29 2009-07-24 Sheet metal accumulator of the loop type with traction winding and corresponding method Active EP2149408B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09166379T PL2149408T3 (en) 2008-07-29 2009-07-24 Sheet metal accumulator of the loop type with traction winding and corresponding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2008A001395A IT1396545B1 (en) 2008-07-29 2008-07-29 STEEL SHEET ACCUMULATOR WITH TRACTION WINDING

Publications (3)

Publication Number Publication Date
EP2149408A1 true EP2149408A1 (en) 2010-02-03
EP2149408B1 EP2149408B1 (en) 2011-03-30
EP2149408B2 EP2149408B2 (en) 2014-12-10

Family

ID=40751240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09166379.9A Active EP2149408B2 (en) 2008-07-29 2009-07-24 Sheet metal accumulator of the loop type with traction winding and corresponding method

Country Status (9)

Country Link
EP (1) EP2149408B2 (en)
CN (1) CN101638190B (en)
AT (1) ATE503596T1 (en)
BR (1) BRPI0902490A2 (en)
DE (1) DE602009000972D1 (en)
ES (1) ES2364163T5 (en)
IT (1) IT1396545B1 (en)
PL (1) PL2149408T3 (en)
RU (1) RU2009129105A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303721A (en) * 2013-06-20 2013-09-18 江苏丰立精密制管有限公司 Loop storing device
CN105170843A (en) * 2015-08-28 2015-12-23 风范绿色建筑（常熟）有限公司 Multi-channel steel bar automatic straightening traction mechanism

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103230948B (en) * 2013-04-15 2015-01-28 中冶赛迪工程技术股份有限公司 Waste edge coiling device and loop device thereof
CN104773571A (en) * 2015-04-03 2015-07-15 江苏薪泽奇机械股份有限公司 Vertical storage accumulator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924527A (en) * 1982-07-30 1984-02-08 Ishikawajima Harima Heavy Ind Co Ltd Strip storing device
WO2000061312A1 (en) * 1999-04-13 2000-10-19 Wonjin Industrial Co., Ltd. Rotary looper
KR20040037832A (en) * 2002-10-30 2004-05-08 주식회사 디엠씨테크 A Rotary Type Looper
KR20040039921A (en) 2002-11-05 2004-05-12 이상영 A storage and discharge apparatus of strip
KR20040039920A (en) 2002-11-05 2004-05-12 이상영 A storage and discharge apparatus of strip
WO2006028328A1 (en) * 2004-09-07 2006-03-16 Kim, Jin-Hyo Apparatus for storing and feeding strip

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924527A (en) * 1982-07-30 1984-02-08 Ishikawajima Harima Heavy Ind Co Ltd Strip storing device
WO2000061312A1 (en) * 1999-04-13 2000-10-19 Wonjin Industrial Co., Ltd. Rotary looper
KR20040037832A (en) * 2002-10-30 2004-05-08 주식회사 디엠씨테크 A Rotary Type Looper
KR20040039921A (en) 2002-11-05 2004-05-12 이상영 A storage and discharge apparatus of strip
KR20040039920A (en) 2002-11-05 2004-05-12 이상영 A storage and discharge apparatus of strip
WO2006028328A1 (en) * 2004-09-07 2006-03-16 Kim, Jin-Hyo Apparatus for storing and feeding strip

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303721A (en) * 2013-06-20 2013-09-18 江苏丰立精密制管有限公司 Loop storing device
CN105170843A (en) * 2015-08-28 2015-12-23 风范绿色建筑（常熟）有限公司 Multi-channel steel bar automatic straightening traction mechanism
CN105170843B (en) * 2015-08-28 2017-05-24 风范绿色建筑（常熟）有限公司 Multi-channel steel bar automatic straightening traction mechanism

Also Published As

Publication number Publication date
RU2009129105A (en) 2011-02-10
EP2149408B2 (en) 2014-12-10
PL2149408T3 (en) 2011-09-30
CN101638190A (en) 2010-02-03
ITMI20081395A1 (en) 2010-01-30
BRPI0902490A2 (en) 2010-05-18
IT1396545B1 (en) 2012-12-14
EP2149408B1 (en) 2011-03-30
ES2364163T3 (en) 2011-08-26
ES2364163T5 (en) 2015-03-06
CN101638190B (en) 2015-01-14
ATE503596T1 (en) 2011-04-15
DE602009000972D1 (en) 2011-05-12

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