EP0462961B1 - Dispositif pour plier des profilés d'écartement creux - Google Patents
Dispositif pour plier des profilés d'écartement creux Download PDFInfo
- Publication number
- EP0462961B1 EP0462961B1 EP91890098A EP91890098A EP0462961B1 EP 0462961 B1 EP0462961 B1 EP 0462961B1 EP 91890098 A EP91890098 A EP 91890098A EP 91890098 A EP91890098 A EP 91890098A EP 0462961 B1 EP0462961 B1 EP 0462961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamp
- bending
- countersupport
- plane
- symmetry
- 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.)
- Expired - Lifetime
Links
- 238000005452 bending Methods 0.000 title claims abstract description 73
- 125000006850 spacer group Chemical group 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Images
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
- B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
- E06B3/67304—Preparing rigid spacer members before assembly
- E06B3/67308—Making spacer frames, e.g. by bending or assembling straight sections
- E06B3/67313—Making spacer frames, e.g. by bending or assembling straight sections by bending
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
- E06B2003/67395—Non-planar units or of curvilinear outline, e.g. for vehicles
Definitions
- the invention relates to a device for bending hollow profile strips, in particular for bending hollow profile strips to spacer frames for insulating glass panes with a clamp for the hollow profile strip, which has two mutually movable clamping jaws for changing the mutual distance, which to the parallel to the bending plane side surfaces of the Bending hollow profile strip can be created, with a support arranged between the clamping jaws for the hollow profile strip to be bent, with an abutment assigned to the clamp, around which is bent and which bears during the bending process against the surface of the hollow profile strip that later forms the inner corner, and with one opposite the clamp Execution of the bending process pivotable bending lever, which can be placed on the section of the hollow profile strip projecting above the clamp.
- Bending devices of this type are known in various embodiments.
- Spacer frames made in one piece, with bent corners and devices for producing the same are also known from FR-PS 2 449 222 and DE-OS 32 21 986.
- a guide is provided, on which the hollow profile strip, which is to be bent to form a spacer frame, is supported, supported at least in the region of the bending head, from below and only from one side.
- a counter-holder is provided, which is mounted on a pivotable arm which is actuated by a working cylinder.
- this counter-holder has both the function of a counter-holder and that of a tensioning element, so that special clamping devices are not required for the hollow profile strip to be bent.
- the counter-holder can only be moved into or out of its a hollow profile strip against the guide, the active position by actuating the working cylinder in a part-circular arc-shaped movement path.
- DE-OS 33 12 764 from which it is known to bend hollow profile strips to form spacers for insulating glass panes, a mandrel which can be placed against the hollow profile strip from the inside being provided in the region of the bending point.
- the bending is carried out by pivoting a jaw, the other end of the profile strip being clamped between a movable clamping jaw and an abutment lying against the inside of the profile strip.
- a problem with the known bending devices is that the sharp-edged bends required for use with insulating glass panes cannot always be achieved without problems, since there is a risk in part that the walls of the hollow profile strip tear during the bending process and the side surfaces of the hollow profile strips in the corner region, i.e. where they have been bent, do not always run flat, but have corrugations that complicate and hinder the subsequent processing of the spacer frame, in particular the coating of the side faces of the spacer frame with sealant or adhesive.
- EP-A-318 748 describes a device for bending hollow profile strips to form spacer frames, the abutment of which is movably mounted and is intended to perform a pivoting and / or displacement movement during the bending process.
- the pivoting movement of the abutment follows the movement of the bending lever which acts on the hollow profile to be bent from the outside. This is intended to ensure that the inner wall of the hollow profile moves inward during the bending movement and finally rests against the outer wall which is likewise deformed inward by the pressure roller.
- a control cam can be provided, which additionally moves the abutment in the direction of its longitudinal extension during its pivoting movement.
- the device for bending hollow profile strips described in DE-OS 29 23 769 has a tool which can be advanced during the bending process, by means of which the web of a longitudinal section of a spacer strip at the highest point of the bend is to be deformed during the bending process.
- the "counter bearing tool” is to be pushed into the highest point of the bend with the help of a wedge during the bending process.
- the bending tool should simultaneously form the lateral guide for the side flanks of the U-shaped spacer strip, the distance of the guide surface for these sides flanking the counter-bearing tool being unchangeable, since this is made in one piece .
- the invention has for its object to provide an improved bending device (bending head) with which the hollow profile strips can be bent at largely arbitrary, preselectable angles of the legs adjacent to the corner to each other.
- the device according to the invention for bending hollow profile strips 1 consists of a clamp 2 with a stationary jaw 3 and a jaw 4 which is movable relative to this (the jaw 4 is not shown in FIG. 1).
- the movable clamping jaw 4 can be displaced in the direction of the double arrow 7 (FIG. 2) via guide pins 5 and 6, which are each arranged in pairs, so that the mouth width of the clamp 2 can be adapted to the width of the hollow profile strip 1 to be bent.
- a lever 8 pivotally supported on the stationary jaw 3 is provided.
- the lever 8 is coupled to the movable jaw 4 via a pull rod 9, which is pivotally supported on the jaw 4 via a bearing 10.
- the pivot lever 8 is driven by a linear motor, not shown, e.g. a double-acting pressure medium cylinder, operated.
- the bending device also has an abutment 20 which is interchangeably inserted in a carrier 21.
- a groove 23 is recessed in the carrier 21, into which the abutment 20 can be inserted with a sliding fit and is held there, for example, by a screw 24.
- the support 21 for the abutment 20 is mounted on a lever 25, which is about a machine frame fixed bearing 26, i.e. a bearing that is not movable relative to the fixed jaw 3 of the clamp 2, by means of a linear motor 27, e.g. a double-acting pressure medium cylinder, can be pivoted in the direction of the double arrow 28 from the active position shown in solid lines in FIG. 1 into the ready position shown in dash-dotted lines in FIG. 1.
- a linear motor 27 e.g. a double-acting pressure medium cylinder
- the support 21 for the abutment 20, as shown in FIG. 2 is adjustable perpendicular to the plane of symmetry of the clamp 2, namely in the direction of the double arrow 29 shown in FIG. 2.
- the carrier 21 is guided displaceably via guides 30 in a holder 31 connected to the lever 25.
- a linear motor in the exemplary embodiment shown a double-acting pressure medium cylinder 32, is provided, the piston rod 33 of which is coupled to the carrier 21 via a pull rod 34.
- the abutment 20 can not only be pivoted in a plane parallel to the plane of symmetry of the clamping jaw 2 (double arrow 28), but also in a direction perpendicular to the plane of symmetry of the clamp 2 (double arrow 29), so that the abutment 20 is entirely out of the Bending area can be moved out.
- the abutment 20 carries at its front tip, which is formed by two inclined surfaces 36, which form an acute angle to the longitudinal extension of the flexible abutment 20, a bead-like extension 35, which like Fig. 4 shows the upper surface of the hollow profile 1, which is clamped in the clamp 2 between the jaws 3 and 4, before the beginning of the bending process, namely when the bending abutment 20 swings slightly in its active position.
- the front end of the abutment 20 and the bead-shaped extension 35 adjoining the inclined surfaces 36 there are made somewhat narrower than the clear distance between the mutually facing surfaces of the clamping jaws 3 and 4 of the clamp 2 the side walls 40 of the hollow profile strip 1 to be bent are also supported from the inside during the bending process, as is indicated in the section of FIG. 5.
- an angled stop surface 41 is provided on the abutment 20 in the region of its front end on one side, which cooperates with a step 42 on the fixed jaw 3.
- the device for bending according to the invention also has a bending lever 50 with a bending attachment 52 which can be pivoted about an axis which coincides with the axis 37 of the bead 35 at the front end of the bending tool 20 when the abutment 20 is in its operative position (the surfaces 41 rest on the surfaces 42 of the jaw 3).
- the pivoting range of the bending lever 50 is not limited to the 90 ° shown in Fig. 1, but also goes beyond, so that after pivoting (arrow 28) and lateral displacement (arrow 29) of the bending abutment 20 also acute angles between the two the corner 51 adjacent leg of the hollow profile bar 1 generated in the hollow profile bar 1 can be bent.
- the clamp 2 For the bending of a hollow profile strip 1 to a corner, the clamp 2 is opened and the hollow profile strip 1 is placed on the upper guide pins 6 or pushed onto the guide pins 6 by a conveyor. After closing the clamp 2, the inner surfaces of the jaws 3 and 4 are then on the side surfaces 40 of the hollow profile strip 1, the abutment 20 is moved into its operative position shown in FIGS. 1 and 4 and bulges the upwardly facing wall of the Hollow profile strip 1 a little down. Then the part of the hollow profile strip 1 protruding from the clamp 2 is pivoted upwards by pivoting the bending lever 50, forming a corner 51. If the angle at the corner 51 is to be more acute, the abutment 20 is pivoted back and pulled back laterally, whereupon the bending is continued to the desired angle.
- the bending lever 50 is then pivoted back, the clamping jaw is opened and the hollow profile bar 1 is pushed forward until the position of the hollow profile bar 1 in which a further corner is to be produced is correctly aligned with respect to the bending tool. Then, as described above, the next corner is bent. This continues until a spacer frame with the desired number of corners 51 - usually four - is finished.
- the bending device according to the invention is preferably suitable for bending machines with an upwardly facing contact surface for the angled parts of the hollow profile strip 1 (e.g. DE-GM 87 05 796). Another advantage is that the abutment 20 in its ready position does not hinder the removal of the spacer frame, since it is arranged behind the abutment surface mentioned.
- the invention also extends to an embodiment in which a freely rotatable roller 70 is provided at the free end of the abutment 80 instead of the bead-shaped extension 35.
- the roller 70 has a width corresponding to the extension 35. This embodiment is shown in FIG. 7.
- Both embodiments of the bending device according to the invention can also be used to produce arches 71 in hollow profile strips.
- the hollow profile strip 1 is pushed forward by a feed device when the abutment 20 or 80 is pivoted in, the bending lever 50 being pivoted somewhat upward as shown in FIG. 7.
- the radius of curvature of the arc 71 thus produced in the hollow profile strip depends on how far the bending lever 50 is pivoted upwards, i.e. how high the e.g. made of plastic with a low coefficient of friction bending 52 above the feed path (determined by the guide pins 6).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Cable Accessories (AREA)
- Processing Of Terminals (AREA)
- Container Filling Or Packaging Operations (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Flexible Shafts (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Magnetic Heads (AREA)
- Ropes Or Cables (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Claims (15)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT112690A AT397054B (de) | 1990-05-21 | 1990-05-21 | Vorrichtung zum biegen von hohlprofilleisten |
AT1126/90 | 1990-05-21 | ||
AT184090A AT397775B (de) | 1990-09-10 | 1990-09-10 | Verfahren und vorrichtung zum krümmen von hohlprofilleisten |
AT1840/90 | 1990-09-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0462961A1 EP0462961A1 (fr) | 1991-12-27 |
EP0462961B1 true EP0462961B1 (fr) | 1994-03-09 |
EP0462961B2 EP0462961B2 (fr) | 1998-09-09 |
Family
ID=25594975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91890098A Expired - Lifetime EP0462961B2 (fr) | 1990-05-21 | 1991-05-07 | Dispositif pour plier des profilés d'écartement creux |
Country Status (9)
Country | Link |
---|---|
US (1) | US5117669A (fr) |
EP (1) | EP0462961B2 (fr) |
JP (1) | JPH0768323A (fr) |
AT (1) | ATE102514T1 (fr) |
DE (2) | DE59101140D1 (fr) |
DK (1) | DK0462961T3 (fr) |
ES (1) | ES2051109T3 (fr) |
IT (2) | IT221862Z2 (fr) |
NO (1) | NO179684C (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE100002T1 (de) * | 1990-06-07 | 1994-01-15 | Peter Lisec | Verfahren und vorrichtung zum biegen von hohlprofilleisten zu abstandhalterrahmen fuer isolierglasscheiben. |
AT406236B (de) * | 1995-10-31 | 2000-03-27 | Lisec Peter | Vorrichtung zum biegen oder krümmen von hohlprofilleisten |
US6591988B2 (en) | 2001-01-19 | 2003-07-15 | Cardinal Glass Industries, Inc. | Material handling for the insulating glass industry |
US6739101B2 (en) | 2001-01-19 | 2004-05-25 | Cardinal Ig Company | Methods and apparatus for manufacturing muntin bar assemblies |
US6962476B2 (en) * | 2002-01-15 | 2005-11-08 | Cardinal Ig Company | Methods and apparatus for handling fragile bars |
CN101084471B (zh) * | 2004-12-23 | 2012-08-29 | Asml荷兰有限公司 | 支持结构与光刻设备 |
DE102007025153B4 (de) * | 2007-05-29 | 2010-12-30 | Htk Synerg Ltd. | Rahmen für Isolierglasscheiben |
CN101671127B (zh) * | 2009-09-02 | 2012-07-25 | 北方工业大学 | 中空玻璃分子筛灌装机三联缸定位机构 |
CN104668355A (zh) * | 2013-11-28 | 2015-06-03 | 昆山市卓航精密模具有限公司 | 冲压模具 |
US10183363B2 (en) | 2015-08-04 | 2019-01-22 | Cardinal Ig Company | Spacer formation cell |
WO2020070245A1 (fr) | 2018-10-04 | 2020-04-09 | Lisec Austria Gmbh | Procédé et dispositif de fabrication d'un cadre d'écartement pour verre isolant |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH194075A (fr) * | 1937-02-05 | 1937-11-15 | Sauter Societe Anonyme Lab | Produit pour la destruction des mollusques nuisibles. |
US2343441A (en) * | 1941-10-21 | 1944-03-07 | Nat Supply Co | Bending brake |
US3983735A (en) * | 1975-03-21 | 1976-10-05 | Berry Robert N | Cleat forming method and machine |
JPS5223786A (en) * | 1975-08-18 | 1977-02-22 | Nippon Doraibuitsuto Kk | Cutting machine |
US3994152A (en) * | 1976-02-19 | 1976-11-30 | Wolters Oswald H | Machine for bending cleat edges |
JPS5346785A (en) * | 1976-10-08 | 1978-04-26 | Mitsubishi Electric Corp | Phase discriminator circuit |
DE2829444C2 (de) * | 1978-07-05 | 1986-07-10 | Julius & August Erbslöh GmbH + Co, 5620 Velbert | Verfahren und Vorrichtung zur Herstellung eines Abstandhalterrahmens für Mehrscheiben-Isolierglas |
CH623755A5 (en) * | 1977-12-21 | 1981-06-30 | Thalmann Konstruktionen Ag | Bending machine |
CA1134125A (fr) * | 1978-06-14 | 1982-10-26 | Theo Janssens | Panneaux creux, et dispositif et methode de fabrication connexes |
FR2449222A1 (fr) * | 1979-02-15 | 1980-09-12 | Kaeuferle Stahlbau J | Perfectionnements aux procedes et dispositifs de fabrication de plaques composites, notamment de glaces doubles |
CH660398A5 (de) * | 1982-01-21 | 1987-04-15 | Peter Lisec | Abstandhalterrahmen fuer isolierglasscheiben sowie verfahren zur herstellung desselben und vorrichtung zur durchfuehrung des verfahrens. |
DE3221986A1 (de) * | 1982-06-11 | 1983-12-15 | Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach | Maschine zum herstellen eines abstandhaltenden innenrahmens fuer eine isolierglasscheibe |
DE3231698A1 (de) * | 1982-08-26 | 1984-03-01 | Karl 7531 Neuhausen Lenhardt | Verfahren zum formen der ecken von abstandhalterrahmen fuer isolierglas und vorrichtung zu seiner durchfuehrung |
DE3312764A1 (de) * | 1983-04-09 | 1984-10-18 | Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach | Verfahren und vorrichtung zum biegen von abstandhalter-profilen fuer isolierglasscheiben |
AT401627B (de) * | 1987-03-09 | 1996-10-25 | Lisec Peter | Vorrichtung zum herstellen von abstandhalterrahmen für isolierglasscheiben |
AT391821B (de) * | 1987-05-11 | 1990-12-10 | Lisec Peter | Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas |
DE3740921A1 (de) * | 1987-12-03 | 1989-06-15 | Bayer Isolierglasfab Kg | Vorrichtung zur herstellung einer biegung an einem hohlen rechteck-profil |
-
1991
- 1991-05-07 EP EP91890098A patent/EP0462961B2/fr not_active Expired - Lifetime
- 1991-05-07 DK DK91890098.6T patent/DK0462961T3/da active
- 1991-05-07 DE DE91890098T patent/DE59101140D1/de not_active Expired - Lifetime
- 1991-05-07 ES ES91890098T patent/ES2051109T3/es not_active Expired - Lifetime
- 1991-05-07 AT AT91890098T patent/ATE102514T1/de not_active IP Right Cessation
- 1991-05-16 US US07/701,124 patent/US5117669A/en not_active Expired - Lifetime
- 1991-05-16 NO NO911926A patent/NO179684C/no not_active IP Right Cessation
- 1991-05-17 DE DE4116268A patent/DE4116268A1/de active Granted
- 1991-05-20 IT ITMI910430U patent/IT221862Z2/it active IP Right Grant
- 1991-05-20 IT ITMI910429U patent/IT221861Z2/it active IP Right Grant
- 1991-05-21 JP JP3145532A patent/JPH0768323A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT221861Z2 (it) | 1994-12-06 |
ES2051109T3 (es) | 1994-06-01 |
ITMI910429U1 (it) | 1992-11-20 |
US5117669A (en) | 1992-06-02 |
JPH0768323A (ja) | 1995-03-14 |
ATE102514T1 (de) | 1994-03-15 |
IT221862Z2 (it) | 1994-12-06 |
NO911926L (no) | 1991-11-22 |
DE4116268C2 (fr) | 1993-02-18 |
NO179684B (no) | 1996-08-19 |
ITMI910429V0 (it) | 1991-05-20 |
DK0462961T3 (da) | 1994-04-05 |
ITMI910430V0 (it) | 1991-05-20 |
NO911926D0 (no) | 1991-05-16 |
DE4116268A1 (de) | 1991-12-12 |
EP0462961A1 (fr) | 1991-12-27 |
ITMI910430U1 (it) | 1992-11-20 |
DE59101140D1 (de) | 1994-04-14 |
EP0462961B2 (fr) | 1998-09-09 |
NO179684C (no) | 1996-11-27 |
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