EP1893363A1 - Coiler for wire and metal bars - Google Patents

Coiler for wire and metal bars

Info

Publication number
EP1893363A1
EP1893363A1 EP06753684A EP06753684A EP1893363A1 EP 1893363 A1 EP1893363 A1 EP 1893363A1 EP 06753684 A EP06753684 A EP 06753684A EP 06753684 A EP06753684 A EP 06753684A EP 1893363 A1 EP1893363 A1 EP 1893363A1
Authority
EP
European Patent Office
Prior art keywords
sectors
mandrel
flange
coiler
base
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.)
Granted
Application number
EP06753684A
Other languages
German (de)
French (fr)
Other versions
EP1893363B1 (en
Inventor
Frederico Castellani
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.)
SIMAC SpA
Original Assignee
SIMAC SpA
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 SIMAC SpA filed Critical SIMAC SpA
Priority to PL06753684T priority Critical patent/PL1893363T3/en
Publication of EP1893363A1 publication Critical patent/EP1893363A1/en
Application granted granted Critical
Publication of EP1893363B1 publication Critical patent/EP1893363B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B21C47/28—Drums or other coil-holders
    • B21C47/30—Drums or other coil-holders expansible or contractible

Definitions

  • This invention relates to a coiler for wire and metal bars according to the preamble of the main claim.
  • the preferred domain of the invention is that of the automatic winding in compact coils of wire or metal bars from a hot rolling mill plant.
  • the coiler can also be used for other work and both wire drawing and cold- rolling plants, or even for wire winding subject to further treatments, like for example in line heat treatment, surface treatment etc.
  • coilers of the abovementioned type which have different movement mechanisms both for the contraction of the winding mandrel and also for the opening and closing of the openable flange in order to allow the extraction of the coil.
  • the aim of the invention is to avoid the above-mentioned drawbacks and in particular to improve the movement system of the mandrel (contraction and expansion) and the external flange of the coiler (opening and closing) in order to ensure a secure and reliable functioning.
  • the invention substantially relates to a coiler for wire and metal bars, of the mandrel type with a vertical axis involving a base flange (4) for the support of the coil base and mandrel sectors (6) hinged at the base (41) which can be moved on the upper part by a cylindrical shape with a conical form collapsed and corresponding upper flange sectors (7) hinged on the upper part (10) movable in concomitance of said mandrel sectors, respectively from a horizontal radial position to a position rotated upwards to allow the extraction of the coil and vice-versa, where, for the synchronous movement of said mandrel sectors (6) and said flange sectors (7) a coaxial device (2) able to be moved longitudinally along the axis of the mandrel is used, and involves:
  • lever means (61) which are hinged (62) on an internal sliding seat (60) of said mandrel sectors (6), and
  • said levers (61) are carried substantially radially and push said mandrel sectors (6) outwards, while said rack (22) rotates said flange sectors (7) downwards, namely, substantially horizontally.
  • said flange sectors (7) have a tooth (72), which, upon lowering, embeds the top of said mandrel sectors (6) to prevent their additional expansion forced by centrifugal action during the rotation of the mandrel. In this way, the danger of accidents for big centrifugal masses, which rotate at high-speed, is avoided, with greater operative security.
  • On said base flange (4) there are interchangeable teeth (42) to hook the rod or wire head for the formation of the first coil, by means of its clamping between said teeth (42) and the base of the mandrel (6).
  • said mandrel sectors (6) and said flange sectors (7) are hinged (10, 41) to a central rotating body of the coiler (1 , 4).
  • Said central rotating body of the coiler consists of an annular hub (1) and a base support flange (4) screwed to it. In this way there is complete demountability and interchangeability of the pieces that form the coiler.
  • the support and rotation systems of the coiler are not shown, this being easily realizable by the skilled expert in the art, and making this part of the known art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Wire Processing (AREA)
  • Magnetic Heads (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Particle Accelerators (AREA)
  • Prostheses (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

Coiler for wire and metal bars, of the mandrel type with vertical axis involving a base flange (4) for the support of the coil base and mandrel sectors (6) hinged at the base (41), which are able to be moved on the upper part by a coiler cylindrical shape with a collapsed conical shape of spool extraction and corresponding upper flange sectors (7) hinged on the upper part (10), moveable in concomitance of said mandrel sectors, respectively from a horizontal radial position to a position rotated upwards to allow the extraction of the coil and vice-versa, including a coaxial device (2), able to be moved longitudinally along the axis of the mandrel, and equipped with lever-operated means (21, 60, 61, 62) and rack means (22, 10, 71 ) of movement of said mandrel sectors (6) and flange sectors (7) so that: when said coaxial device (2) is lowered: said levers (61) are directed upwards and withdraw said mandrel sectors (6), while said rack (22) rotates said flange sectors (7) upwards; when said coaxial device (2) is lifted: said levers (61 ) are carried substantially radially and push said mandrel sectors (6) outwards, while said rack (22) rotates said flange sectors (7) downwards, namely substantially horizontally.

Description

Description COILER FOR WIRE AND METAL BARS
Object
This invention relates to a coiler for wire and metal bars according to the preamble of the main claim.
Technical Field
The preferred domain of the invention, even though not limitative, is that of the automatic winding in compact coils of wire or metal bars from a hot rolling mill plant.
Naturally, the coiler can also be used for other work and both wire drawing and cold- rolling plants, or even for wire winding subject to further treatments, like for example in line heat treatment, surface treatment etc.
Background Art and disadvantages
In the present state of the art, coilers of the abovementioned type are known, which have different movement mechanisms both for the contraction of the winding mandrel and also for the opening and closing of the openable flange in order to allow the extraction of the coil.
These mechanisms are generally impractical, complex and unreliable.
Aim of the invention
The aim of the invention is to avoid the above-mentioned drawbacks and in particular to improve the movement system of the mandrel (contraction and expansion) and the external flange of the coiler (opening and closing) in order to ensure a secure and reliable functioning.
Summary of the invention
The problem is solved with the characteristics of the main claim. The sub-claims provide preferred solutions.
Advantages
In this way, a simple coiler is obtained, which is extremely functional and reliable. Description of a preferred embodiment
The invention will now be better understood with the following description of a preferred embodiment with the help of the enclosed drawings including substantially:
- in Fig. 1 , the view in radial, axial semi-section of the coiler with recessed mandrel sectors and upper flange sectors also recessed, rotated upwards;
- in Fig. 2, a view as in Fig.1 , but in which both the mandrel and the upper flange sectors are moved to the uncoiling position, namely the mandrel assumes the cylindrical shape and the flange sectors are directed horizontally;
- in Fig.3, a transverse view of the mandrel at the height of the intermediate lever that moves said mandrel sectors.
As disclosed by the above-described figures, the invention substantially relates to a coiler for wire and metal bars, of the mandrel type with a vertical axis involving a base flange (4) for the support of the coil base and mandrel sectors (6) hinged at the base (41) which can be moved on the upper part by a cylindrical shape with a conical form collapsed and corresponding upper flange sectors (7) hinged on the upper part (10) movable in concomitance of said mandrel sectors, respectively from a horizontal radial position to a position rotated upwards to allow the extraction of the coil and vice-versa, where, for the synchronous movement of said mandrel sectors (6) and said flange sectors (7) a coaxial device (2) able to be moved longitudinally along the axis of the mandrel is used, and involves:
- hinged (21) lever means (61) which are hinged (62) on an internal sliding seat (60) of said mandrel sectors (6), and
- upper rack means (22) which gear with corresponding arched toothing (71) coaxial to said upper hinging (10) and bound to said flange sectors (7); so that: - when said coaxial device (2) is lowered: said levers (61) are directed upwards and withdraw said mandrel sectors (6), while said rack (22) rotates said flange sectors (7) upwards;
- when said coaxial device (2) is lifted: said levers (61) are carried substantially radially and push said mandrel sectors (6) outwards, while said rack (22) rotates said flange sectors (7) downwards, namely, substantially horizontally. Advantageously there are four said sectors, but for small diameters there could be even more than four and for bigger diameters even three. More advantageously said flange sectors (7) have a tooth (72), which, upon lowering, embeds the top of said mandrel sectors (6) to prevent their additional expansion forced by centrifugal action during the rotation of the mandrel. In this way, the danger of accidents for big centrifugal masses, which rotate at high-speed, is avoided, with greater operative security. On said base flange (4) there are interchangeable teeth (42) to hook the rod or wire head for the formation of the first coil, by means of its clamping between said teeth (42) and the base of the mandrel (6).
In this way the constructive system of the base flange is simplified and the winding of different types of wire or rod, by interchanging said teeth, is possible. It will be noted that said mandrel sectors (6) and said flange sectors (7) are hinged (10, 41) to a central rotating body of the coiler (1 , 4). In this way the structure is particularly robust and functional. Said central rotating body of the coiler consists of an annular hub (1) and a base support flange (4) screwed to it. In this way there is complete demountability and interchangeability of the pieces that form the coiler. In the figures the support and rotation systems of the coiler are not shown, this being easily realizable by the skilled expert in the art, and making this part of the known art. In the same way, the axial movement means of the control movement sectors (1) are not shown, this too being in the domain of the skilled expert in the art, like for example, fluid dynamic cylinders placed under said load-bearing body (1, 4). The bind between said lever (61) and the respective mandrel sector (6) occurs with presence of a hinging with a slotted hole (60). In this way there is the advantage to avoid rigid binds that otherwise would need greater articulation, for such reason said slotted hole is inclined upwards, giving suitable clearance.

Claims

Claims
1. Coiler for wire and metal bars, of the mandrel type with vertical axis involving a base flange (4) for the support of the coil base and mandrel sectors (6) hinged at the base (41), which are able to be moved from a coiling cylindrical shape to a collapsed conical shape and corresponding upper flange sectors (7) hinged (10), moveable in concomitance of said mandrel sectors, respectively from a horizontal radial position to a position rotated upwards to allow the extraction of the coil and vice-versa, characterised in that for the synchronous movement of said mandrel sectors (6) and said flange sectors (7), a coaxial device (2) is used, able to be moved longitudinally along the axis of the mandrel, and involving:
- hinged (21) lever-operated means (61) which are hinged (62) on an internal sliding seat (60) of said mandrel sectors (6), and
- upper rack means (22) which gear with corresponding arched toothing (71) coaxial to said upper hinging (10) and a part of said flange sectors (7); so that:
- when said coaxial device (2) is lowered: said levers (61) are directed upwards and withdraw said mandrel sectors (6), while said rack (22) rotates said flange sectors (7) upwards;
- when said coaxial device (2) is lifted: said levers (61) are carried substantially radially and push said mandrel sectors (6) outwards, while said rack (22) rotates said flange sectors (7) downwards, namely substantially horizontally.
2. Coiler according to claim 1 , characterised in that there are four said flange sectors (7) and four mandrel sectors (6).
3. Coiler according to claim 1 , characterised in that there are three said flange sectors (7) and three mandrel sectors (6).
4. Coiler according to claim 1 , characterised in that there are more than four said flange sectors (7) and more than four mandrel sectors (6).
5. Coiler according to claim 1 , characterised in that there are more than four said flange sectors (7) and the number of mandrel sectors (6) is identical.
6. Coiler according to claim 1 , characterised in that there are more than four said flange sectors (7) and the number of mandrel sectors (6) is not identical.
7. Coiler according to any of the previous claims, characterised in that said flange sectors (7) have a tooth (72) which, upon lowering, embeds the top of said mandrel sectors (6) to prevent their additional expansion forced by centrifugal action during the rotation of the mandrel.
8. Coiler according to any of the previous claims, characterised in that on said base flange (4) there are interchangeable teeth (42) to hook the rod or wire head for the formation of the first coil by means of its clamping between said teeth (42) and the base of the mandrel (6).
9. Coiler according to any of the previous claims, characterised in that said mandrel sectors (6) and said flange sectors (7) are hinged (10, 41) to a rotating central body of the coiler (1 , 4).
10. Coiler according to the previous claim, characterised in that said rotating central body of the coiler consists of an annular hub (1) and a base support flange (4) screwed to it.
11. Coiler according to any of the previous claims, characterised in that the bind between said lever (61) and the respective mandrel sector (6) occurs with presence of hinging (62) with a slotted hole (60).
12. Rolling-mill plant of wire or metal bars involving at least one coiler according to any of the previous claims.
EP06753684A 2005-05-25 2006-05-17 Coiler for wire and metal bars Active EP1893363B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06753684T PL1893363T3 (en) 2005-05-25 2006-05-17 Coiler for wire and metal bars

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000085A ITUD20050085A1 (en) 2005-05-25 2005-05-25 WIRE COIL AND METALLIC BARS
PCT/EP2006/004673 WO2006125557A1 (en) 2005-05-25 2006-05-17 Coiler for wire and metal bars

Publications (2)

Publication Number Publication Date
EP1893363A1 true EP1893363A1 (en) 2008-03-05
EP1893363B1 EP1893363B1 (en) 2008-12-03

Family

ID=36691809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753684A Active EP1893363B1 (en) 2005-05-25 2006-05-17 Coiler for wire and metal bars

Country Status (10)

Country Link
EP (1) EP1893363B1 (en)
CN (1) CN101189081A (en)
AT (1) ATE416047T1 (en)
BR (1) BRPI0613263A2 (en)
DE (1) DE602006004045D1 (en)
ES (1) ES2318755T3 (en)
IT (1) ITUD20050085A1 (en)
PL (1) PL1893363T3 (en)
RU (1) RU2359771C1 (en)
WO (1) WO2006125557A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1827855A (en) * 1928-03-15 1931-10-20 American Telephone & Telegraph Reeling device
FR2375128A1 (en) * 1976-12-21 1978-07-21 Sute Turret for accepting and binding flexible hose onto spools - using knives and heat sealed tapes to secure successive hose lengths
JPH0351264A (en) * 1989-07-18 1991-03-05 Mirai Ind Co Ltd Winding and take out device for pipe
JP3412032B2 (en) * 1992-09-08 2003-06-03 株式会社三ツ星 Winding device for soft extruded products
ITUD20030123A1 (en) * 2003-06-09 2004-12-10 Simac Spa LAMINATE WINDING SYSTEM.
IT1326908B1 (en) * 2004-01-19 2005-02-22 Danieli Off Mecc DEVICE AND COILING PROCEDURE OF

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006125557A1 *

Also Published As

Publication number Publication date
BRPI0613263A2 (en) 2012-12-04
ES2318755T3 (en) 2009-05-01
ATE416047T1 (en) 2008-12-15
WO2006125557A1 (en) 2006-11-30
DE602006004045D1 (en) 2009-01-15
ITUD20050085A1 (en) 2006-11-26
EP1893363B1 (en) 2008-12-03
CN101189081A (en) 2008-05-28
PL1893363T3 (en) 2009-06-30
RU2359771C1 (en) 2009-06-27

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