EP1493507A1 - Verfahren und Vorrichtung zur Herstellung eines endlosen Metallriemens - Google Patents

Verfahren und Vorrichtung zur Herstellung eines endlosen Metallriemens Download PDF

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Publication number
EP1493507A1
EP1493507A1 EP04014542A EP04014542A EP1493507A1 EP 1493507 A1 EP1493507 A1 EP 1493507A1 EP 04014542 A EP04014542 A EP 04014542A EP 04014542 A EP04014542 A EP 04014542A EP 1493507 A1 EP1493507 A1 EP 1493507A1
Authority
EP
European Patent Office
Prior art keywords
belt
shaping
rolls
roll
rolling
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
EP04014542A
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English (en)
French (fr)
Other versions
EP1493507B1 (de
Inventor
Cornelis Hendricus Maria Van Oirschot
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1493507A1 publication Critical patent/EP1493507A1/de
Application granted granted Critical
Publication of EP1493507B1 publication Critical patent/EP1493507B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/14—Making other particular articles belts, e.g. machine-gun belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/005—Edge deburring or smoothing

Definitions

  • the present invention relates to a method and a device for shaping a continuous metal belt, and to a belt of this type and also to a push belt in which the metal belt is used, as described, inter alia, in the preamble of Claim 1.
  • a push belt of this type, and also the continuous metal belt used therein, is generally known, for example from European Patent Publication EP-A 0 181 670 and from Dutch Patent Application No. 1022043, which was not published before the priority date of the present application, both in the name of the present applicant.
  • the latter document also describes a rolling process and device for shaping a belt of this type.
  • the metal belt is generally incorporated in the push belt in the form of one or two sets comprising a number of nested metal belts.
  • a metal belt of this type is formed by cutting off a ring from a metal tube formed from a material in sheet form and then deforming this ring to produce a desired radial thickness and tangential or circumferential length with the aid of a rolling process, optionally preceded and/or followed by a heat treatment of the belt. Up until the belt undergoes the rolling treatment, it is also referred to as the ring.
  • the ring Before the ring is rolled, it is subjected to a tumbling process which is known per se and in which the ring is held for a certain time in a receptacle containing suitable moving tumbling blocks. This serves to remove burrs formed when the ring was being cut from the tube from the axially oriented side faces of the ring. In the process, at least the edges between the said side faces and radially oriented main surfaces of the ring are also rounded slightly.
  • the object of the present invention is to improve the quality or at least the appearance of the axially oriented side faces of the belt considerably and to provide an alternative to the known tumbling process, or at least to reduce the intensity with which it is necessary to employ this process. According to the invention, this object is achieved by a method which comprises at least the characterizing features of Claim 1 below.
  • the belt is processed in a tensioned state at the same time as the rolling process is being carried out on it, i.e. in the state and during the period in which the ring is being rolled under pressure from what are known as the rolling rolls in the thickness direction and, at the same time, is being stretched in the circumferential direction.
  • the invention makes use of a specifically shaped and dynamically operating processing element in the form of a shaping roll which acts on an axially oriented side face of the belt.
  • a processing operation of this type produces a permanent shaping, which is readily visible in the end product, of the said side faces.
  • the processed side face can be of very even shape and structure and, on account of a specific shaping of the shaping roll, can be very successfully influenced in the desired way.
  • the method according to the invention can successfully be used to obtain a controlled, rounded and permanent shape of the side faces of the belt, with the abovementioned burrs or any remainders advantageously being removed therefrom, deformed or pressed into the bulk of the belt after a shortened tumbling process.
  • These effects are boosted by arranging the shaping roll or rolls in such a way that, during the rolling process, they simultaneously act on the belt for as long as possible.
  • the assumed reason for this is that the shaping of the side faces can then take place uniformly, and therefore without sudden and/or major deformation of material being required.
  • one important effect of the method according to the invention is that the side faces are shaped to be so even and smooth that any remaining deformations therein, such as a relatively large indentation or any irregularity in the structure of the material, will be noticed very reliably and, in particular, more quickly than hitherto, both during a visual inspection and if automated optical detection means are deployed.
  • the method and device according to the invention also realize a process in which the need to round the side faces of the rings prior to the rolling process is eliminated or at least reduced. Consequently, the need to tumble rings is at least limited to a shortened tumbling process in which, for example, the said burrs are removed but there is no significant rounding of the said edges. This fact has a beneficial effect on the speed and flexibility of the production process for the belts and considerably reduces the costs thereof.
  • processing of the side face of the ring or belt using the shaping roll which takes place only before or after the rolling process does not result in the same quality as if, in accordance with the present invention, this processing of the side face of the ring or belt using the shaping roll is carried out at least partially simultaneously with the said rolling process.
  • Carrying out the abovementioned processing of the side faces simultaneously with the rolling process i.e. during a uniform reduction in the thickness of the belt, in particular with simultaneous lengthening thereof, therefore forms a significant component of the invention.
  • the belt is processed in the tensioned state, i.e. held around two so-called guide rolls, which are moved with a relative movement away from one another in order to apply a tensile stress to the belt.
  • the belt is brought into a more or less rigid state, at least into a state in which the belt can absorb a force exerted on its side face by the shaping roll.
  • the belt is then rotated around and by means of the tensioning rolls, with the side face of the belt being guided onto the shaping roll.
  • the shaping roll prefferable for the shaping roll to be made from a material which is similar to or harder than the metal from which the belt is made.
  • the device is provided with at least two shaping rolls, which are positioned on either side of the belt and act on a side face thereof, these shaping rolls each having an axis of rotation which is oriented substantially perpendicular to the main surfaces and parallel to the side faces.
  • the rolls are preferably provided with a groove with a substantially V-shaped contour which is applied over the cylindrical outer circumference of the roll, at least as seen in the tangential direction in a cross section through the roll.
  • the shaping rolls are positioned opposite one another with respect to the circumferential direction of the belt and are pressed towards one another with a certain force, with the belt being held in the grooves in the said rolls at least at the location of its side faces.
  • the device comprises two pairs of shaping rolls of this type positioned opposite one another, with the substantially V-shaped groove of a first pair being provided with a more acute vertex angle than that of the second pair.
  • at least a centre part of the V-shaped groove of the second pair is rounded in shape, with the abovementioned vertex angle being defined by an imaginary lengthening of the sides of the contour of the V-shaped groove, at least as seen in the said tangential direction.
  • Figure 1 diagrammatically depicts an existing rolling device for rolling metal rings to form belts, which device is illustrated in such a manner that it also provides an insight into the shaping method and shaping device 25 according to the invention.
  • the rolling device is described in Dutch Patent Application No. 1022043, which was not published before the priority date of the present application, and comprises three modules. In this respect, the figure shows, from the right to the left, a first measuring module 1, a rolling module 2 and a second measuring module 3.
  • the rolling device is controlled by an electronic control unit, which is not shown in more detail in the figure.
  • the measuring modules 1 and 3 comprise measuring rolls 4, 5 around which the belt 10 can be arranged, in such a manner that the thickness of the belt 10 can be measured both before and after the rolling process has been carried out, with the aid of the proximity sensors DS. It is preferable for the said measuring rolls 4, 5 to be moved away from one another, with the belt 10 being subjected to a tensile stress, and for the measurement to be carried out at a number of positions over the circumference of the belt 10, which is of benefit to the accuracy.
  • the rolling module 2 comprises two rotatable guide rolls 6, 7, of which a first roll 7 is positioned centrally in the rolling module 2 and around which the belt 10 to be rolled can be arranged.
  • a second roll 6 of the guide rolls 6, 7 is held within the rolling module 2 in such a manner that it can be displaced so as to apply a tensile force, for example under the control of first activation means 21.
  • the rolling module 2 furthermore comprises a pair of support rolls 12 which act on the first guide roll 7, a rolling roll 11, and a pressure roll 13 acting on the support rolls 12.
  • the support rolls 12 are each provided over their circumference with a recess, by means of which they each act on the first guide roll 7 on either side adjacent to the belt 10.
  • the pressure roll 13 is accommodated in such a manner that it can be displaced, under the influence of second activation means 22, in the rolling module 2, in such a manner that a pushing force or rolling force can be exerted on the support rolls 12.
  • the support rolls 12 transmit the rolling force to the first guide roll 7, which is then supported on the rolling roll 11 via part of the belt 10.
  • the belt 10 is held rotating between the first guide roll 7 and the rolling roll 11.
  • the rotating movement of the belt 10, the direction of rotation of which is indicated by arrows D, is in this case achieved by driving at least one of the said rolls 6, 7, 11, 12 and 13, with the direction of rotation of the rolls 6, 7, 11, 12 and 13 being indicated by the arrows illustrated therein.
  • a tensile force is applied to the belt 10 between the guide rolls 6, 7, and a pushing force is applied to the belt 10 between the rolling roll 11 and the first guide roll 7.
  • Figure 1 also diagrammatically depicts the shaping device 25 according to the present invention and the way in which it can be held in the known rolling module 2 in order to process side faces 15 of the belt which are oriented in the width direction, i.e. axially oriented, at the same time as the belt 10 is being rolled.
  • the shaping device 25 is preferably coupled to a frame to which one of the rolling rolls is secured, in this case the bearing frame for the pressure roll 13, in such a manner that a correct orientation of the latter with respect to the belt 10 is obtained automatically.
  • a bearing arm 31 is provided for this purpose in Figure 1.
  • the shaping device 25 is provided with two pairs of shaping rolls 26, 27, the respective rolls 26, 27 of which are moved towards one another, or at least a pushing force is exerted between them, so that they act on the side faces 15 on either side of the belt 10.
  • the shaping rolls 26, 27 are provided over their outer circumference with a concave profile, i.e. a groove, in which the belt 10 is partially accommodated.
  • the shaping rolls 26, 27 simultaneously act on the belt 10 in the axial direction, with the side faces 15, and in particular the transition edges 16 (cf. Figures 5 and 6) between these side faces and the radially oriented main surfaces 14 of the belt 10 being provided with a desired shape.
  • the shaping device 25 should furthermore be provided with means which enable it to be opened and closed, i.e. with means which are responsible for moving the rolls 26, 27 away from one another with a movement component in the axial direction and then bringing them into contact with the belt 10, which can advantageously be achieved in the construction shown by the said means being mechanically coupled to the rolling module 2, it being possible for the latter to follow an opening and closing movement thereof for the purpose of applying and removing the belt 10 to and from the guide rolls 6, 7.
  • Figures 2, 3 and 4 diagrammatically depict the arrangement of an embodiment of the shaping device 25 for processing, i.e. shaping, the side faces 15 of the belt 10.
  • Figure 2 shows a view transversely onto the circumferential direction of the belt 10, as seen in a direction perpendicular to the main surface 14 thereof
  • Figures 3 and 4 each show a view of the shaping device 25, respectively as indicated by arrows A and arrow B in Figure 2.
  • a carrier 30 which is coupled to the bearing arm 31 is provided, in accordance with a preferred embodiment, with two subframes 33 which are each held moveably, i.e. linearly displaceably, with respect to the carrier 30 and with respect to one another.
  • the subframes 33 are provided with two processing rolls 26 and 27, which are arranged rotatably thereon.
  • an intermediate frame 32 is also provided between the subframes 33 and the carrier 30.
  • the intermediate frames 32 are arranged on the carrier 30 in such a manner that they can be displaced linearly with respect to the latter, for example with the aid of a rectilinear guide which is oriented transversely with respect to the said direction of rotation D, and the subframes 33 are arranged on the respective intermediate frame 32 with the aid of an axle 34, so that they can execute an oscillating or rotary motion with respect to the intermediate frame 32 and therefore also with respect to the belt 10 which is to be shaped.
  • FIGS 2-4 illustrate the possibility of processing a side face 15 using two pairs of shaping rolls 26 and 27.
  • the shaping rolls 26, 27 are provided over their outer circumference with a concave profile, i.e. a groove, in which the belt 10 is partially accommodated and via which groove the shaping rolls 26, 27 each act on the side faces 15 of the belt from the axial sides thereof, and in particular act on the transition edges 16 between the side faces 15 and the radially oriented main surfaces 14, shaping them during the known rolling process.
  • the grooves in the two pairs of shaping rolls 26, 27 are of different shapes, at least as seen in the tangential direction in a cross section thereof.
  • the two groove shapes are in this case substantially V-shaped, but in a first pair of shaping rolls 26 the V-shaped groove ends in a discrete, acute vertex angle, while in the other, or second, pair of shaping rolls 26 it ends in an evenly rounded transition, at least at the location of a centre part of the groove, which therefore forms a rounded transition between the side faces of the groove on either side of the centre part.
  • This centre part is preferably substantially parabolic in shape.
  • the V-shaped groove of the first pair of shaping rolls 26 is preferably narrower than that of the second pair of shaping rolls 27.
  • a configuration and shaping of the device 25 of this type also ensures that the first pair of rolls 26 is at least substantially aimed at processing and shaping the said transition edges 16, and that the second pair of rolls 27 is at least substantially aimed at processing and shaping the side face 15 itself (cf. also Figures 5 and 6).
  • the second pair of shaping rolls 27 it is preferable for the second pair of shaping rolls 27 to be positioned behind the first pair of shaping rolls 26, at least as seen in the direction of rotation D of the belt 10.
  • Figures 5 and 6 illustrate the effect of a processing operation in accordance with a more detailed refinement of the present invention of this nature.
  • Figure 5 shows a cross section through a part 17 of a belt 10 which is yet to be rolled, i.e. a ring, as is typically obtained after the belt 10 has been cut off a tube, i.e. including a burr 18 which is generally present at the location of a transition edge 16.
  • Figure 6 shows the same cross section 17 through the belt 10, but after it has been rolled and, at the same time, processed or shaped in accordance with the invention. It can be seen that the thickness of the belt 10 - i.e. the distance between the two main surfaces 14 - has been reduced by the rolling operation and, moreover, that the transition edges 16 have been considerably flattened in particular by the action of the first pair of rolls 26.
  • the centre part 20 of the side face 15 has clearly been shaped in particular by the second pair of rolls 27 and therefore has a convex profile, at least as seen in cross section 17.
  • the side parts 19 of the side face 15 located on either side of the said centre part 20 have clearly been shaped in particular by the first pair of rolls 26 and consequently have a flat profile, at least as seen in cross section 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Belt Conveyors (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Metal Rolling (AREA)
EP04014542A 2003-06-30 2004-06-22 Vorrichtung zur Herstellung eines endlosen Metallriemens Expired - Lifetime EP1493507B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1023771 2003-06-30
NL1023771A NL1023771C2 (nl) 2003-06-30 2003-06-30 Werkwijze en inrichting voor het vormen van een in zichzelf gesloten metalen riem, metalen riem en duwband waarin zulks is toegepast.

Publications (2)

Publication Number Publication Date
EP1493507A1 true EP1493507A1 (de) 2005-01-05
EP1493507B1 EP1493507B1 (de) 2008-03-19

Family

ID=33432531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04014542A Expired - Lifetime EP1493507B1 (de) 2003-06-30 2004-06-22 Vorrichtung zur Herstellung eines endlosen Metallriemens

Country Status (5)

Country Link
EP (1) EP1493507B1 (de)
JP (1) JP4528368B2 (de)
AT (1) ATE389475T1 (de)
DE (1) DE602004012486T2 (de)
NL (1) NL1023771C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109731971A (zh) * 2019-03-05 2019-05-10 江苏九天光电科技有限公司 一种钢带边部毛刺去除装置
CN114227469A (zh) * 2021-11-05 2022-03-25 李曼杰 一种服装纽扣生产加工用后处理设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353289A (en) * 1940-08-03 1944-07-11 Crucible Steel Co America Method and apparatus for rolling strip metal
US3400566A (en) * 1966-12-13 1968-09-10 Gauer Walter Sheet metal edging apparatus
US3690139A (en) * 1969-11-13 1972-09-12 Francis P Brennan Edge conditioning mechanism
GB1309132A (en) * 1968-03-14 1973-03-07 Polakowski N H Method and apparatus for forming thin metal belts
JPS5850139A (ja) * 1981-09-17 1983-03-24 Toyota Motor Corp 無段変速機用駆動ベルトの無端金属帯の成形方法及び装置
US4661089A (en) * 1984-11-07 1987-04-28 Gayliene Investments Limited Endless metal belt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856001Y2 (ja) * 1980-12-09 1983-12-23 石橋鉄工株式会社 エンドレスベルト圧延加工機
JP3441964B2 (ja) * 1998-04-14 2003-09-02 本田技研工業株式会社 金属ベルトの圧延加工装置
JP2002248522A (ja) * 2001-02-22 2002-09-03 Nisshin Steel Co Ltd 無段変速機用金属ベルトの製造方法
JP2003033803A (ja) * 2001-04-17 2003-02-04 Nisshin Steel Co Ltd 準安定オーステナイト系ステンレス鋼製無段変速機用ベルトの製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353289A (en) * 1940-08-03 1944-07-11 Crucible Steel Co America Method and apparatus for rolling strip metal
US3400566A (en) * 1966-12-13 1968-09-10 Gauer Walter Sheet metal edging apparatus
GB1309132A (en) * 1968-03-14 1973-03-07 Polakowski N H Method and apparatus for forming thin metal belts
US3690139A (en) * 1969-11-13 1972-09-12 Francis P Brennan Edge conditioning mechanism
JPS5850139A (ja) * 1981-09-17 1983-03-24 Toyota Motor Corp 無段変速機用駆動ベルトの無端金属帯の成形方法及び装置
US4661089A (en) * 1984-11-07 1987-04-28 Gayliene Investments Limited Endless metal belt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 133 (M - 221) 10 June 1983 (1983-06-10) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109731971A (zh) * 2019-03-05 2019-05-10 江苏九天光电科技有限公司 一种钢带边部毛刺去除装置
CN114227469A (zh) * 2021-11-05 2022-03-25 李曼杰 一种服装纽扣生产加工用后处理设备
CN114227469B (zh) * 2021-11-05 2023-12-01 浙江天惠钮扣股份有限公司 一种服装纽扣生产加工用后处理设备

Also Published As

Publication number Publication date
JP4528368B2 (ja) 2010-08-18
JP2005021985A (ja) 2005-01-27
EP1493507B1 (de) 2008-03-19
NL1023771C2 (nl) 2005-01-03
DE602004012486D1 (de) 2008-04-30
DE602004012486T2 (de) 2009-04-09
ATE389475T1 (de) 2008-04-15

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