FR2527950A1 - METHOD AND DEVICE FOR BENDING METAL PROFILES - Google Patents
METHOD AND DEVICE FOR BENDING METAL PROFILES Download PDFInfo
- Publication number
- FR2527950A1 FR2527950A1 FR8309276A FR8309276A FR2527950A1 FR 2527950 A1 FR2527950 A1 FR 2527950A1 FR 8309276 A FR8309276 A FR 8309276A FR 8309276 A FR8309276 A FR 8309276A FR 2527950 A1 FR2527950 A1 FR 2527950A1
- Authority
- FR
- France
- Prior art keywords
- profile
- bending
- jaw
- cylinder
- metal profiles
- 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
Links
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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Ceramic Products (AREA)
Abstract
L'INVENTION CONCERNE UN PROCEDE ET DISPOSITIF POUR LE CINTRAGE DE PROFILES METALLIQUES. ELLE PERMET LE CINTRAGE DE PROFILES METALLIQUES TELS QUE DES BARRES DE FER PLATES, DANS UNE FORME CIRCULAIRE TELLE QUE CELLE D'UN BOUDIN OU D'UNE VIS TRANSPORTEUSE. LE PROFILE 1 EST INTRODUIT PAR UNE GLISSIERE LATERALE A AVANCEMENT PERIODIQUE ET IL EST CINTRE, UNE PARTIE A LA FOIS, ENTRE DEUX MACHOIRES 8-9 PLACEES RESPECTIVEMENT AU-DESSUS ET AU-DESSOUS DU PROFILE. IL EST POSSIBLE AVEC UNE FAIBLE DEPENSE D'ENERGIE ET AVEC DES MOMENTS FORTS DE CINTRAGE DE CINTRER DES PROFILES METALLIQUES MEME DE GRANDE EPAISSEUR. APPLICATIONS : CINTRAGE DE PROFILES METALLIQUES.THE INVENTION RELATES TO A PROCESS AND DEVICE FOR BENDING METAL PROFILES. IT ALLOWS THE BENDING OF METAL PROFILES SUCH AS FLAT IRON BARS, IN A CIRCULAR SHAPE SUCH AS A BLANK OR A CONVEYOR SCREW. PROFILE 1 IS INTRODUCED BY A SIDE SLIDE WITH PERIODIC ADVANCEMENT AND IT IS BENDED, ONE PART AT A TIME, BETWEEN TWO 8-9 JAWS PLACED RESPECTIVELY ABOVE AND BELOW THE PROFILE. IT IS POSSIBLE WITH LOW ENERGY EXPENDITURE AND WITH STRONG BENDING MOMENTS TO BEND METAL PROFILES EVEN OF LARGE THICKNESS. APPLICATIONS: BENDING OF METAL PROFILES.
Description
La présente invention concerne un procédé de cintrage deThe present invention relates to a method of bending
profilés métalliques tels que des barres de fer plates, dans une for- metal sections such as flat iron bars, in a form
me circulaire telle que celle d'un boudin ou d'une vis transporteuse. circular me such as that of a sausage or a screw conveyor.
Un procédé de nature similaire a été décrit par exemple dans le bre- A process of a similar nature has been described for example in
vet américain N O 4 302 959 dans lequel un ressort d'acier est enroulé US Patent No. 4,302,959 in which a steel spring is wound
sous cette forme autour d'un axe Il est connu aussi dans la techni- in this form around an axis It is also known in the art
que d'enrouler des profilés dans une forme circulaire avec une calan- than winding profiles into a circular shape with a
dre o le débit moyen d'alimentation en profilé est constant L'objet de l'invention est de fournir un nouveau type de procédé par lequel avec une faible énergie, sont cintrés des profilés métalliques ayant The object of the invention is to provide a new type of process by which, with low energy, bent metal profiles having
une large section transversale Le procédé de l'invention est carac- a large cross section The method of the invention is characterized
térisé en ce que le profilé est introduit par une glissière latérale à avancement périodique et est cintré, une partie à la fois, entre characterized in that the profile is introduced by a lateral slider with a periodic feed and is bent, one part at a time, between
deux mâchoires placées respectivement au-dessus et au-dessous du pro- two jaws placed respectively above and below the
filé Ainsi il est possible, grâce à l'invention, avec une faible énergie et un moment fort de cintrage sur la mâchoire, de tourner la So it is possible, thanks to the invention, with a low energy and a strong moment of bending on the jaw, to turn the
partie du profilé à cintrer, à son tour, dans la forme désirée. part of the profile to be bent, in turn, in the desired shape.
Un mode de réalisation avantageux de l'invention est carac- An advantageous embodiment of the invention is
térisé en ce que l'introduction et le cintrage du profilé sont exécu- in that the introduction and the bending of the profile are performed
tés par des cylindres hydrauliques, les mouvements de synchronisation entre eux étant effectués par des systèmes hydrauliques déjà connus dans l'industrie En conséquence, tous les mouvements d'alimentation et de cintrage peuvent être automatisés et ils n'ont pas besoin Hydraulic cylinders, the synchronization movements between them being performed by hydraulic systems already known in the industry As a result, all feeding and bending movements can be automated and they do not need
d'être contrôlés séparément.to be controlled separately.
Une autre forme de réalisation de l'invention est carac- Another embodiment of the invention is
térisée en ce que les profilés sont introduits au moyen d'un cylin- characterized in that the profiles are introduced by means of a cylinder
dre d'alimentation et d'un organe de serrage sur l'extrémité mobile de ce dernier, ce qui permet de cintrer le profilé par un cylindre de cintrage et une mâchoire de cintrage couplée sur son extrémité and a clamping member on the movable end thereof, thereby bending the profile by a bending cylinder and a bending jaw coupled to its end.
mobile, agissant sur une contre-mâchoire du côté opposé du profilé. mobile, acting on a counter-jaw on the opposite side of the profile.
L'invention concerne aussi un dispositif pour réaliser The invention also relates to a device for producing
le procédé selon l'invention Le dispositif de l'invention est carac- The method according to the invention The device of the invention is
térisé en ce qu'il consiste en un cylindre hydraulique introduisant le profilé et en un organe de serrage sur l'extrémité mobile de celui-ci, en un cliquet de freinage du profilé fixé à cet effet sur le bâti, en un cylindre de cintrage ayant une mâchoire de cintrage characterized in that it consists of a hydraulic cylinder introducing the profile and a clamping member on the movable end thereof, into a locking pawl of the profile fixed for this purpose on the frame, in a bending cylinder having a bending jaw
montée pivotante entre son extrémité mobile et le bâti, en une contre- pivotally mounted between its movable end and the frame, in a counter
mâchoire sur le côté opposé du profilé contre laquelle le profilé est cintré, et en des guides latéraux enserrant le profilé dans la direction latérale Un dispositif de cette sorte est excessivement simple et, de ce fait, économique à fabriquer Des essais ont montré qu'il est possible au moyen d'un petit moteur électrique de quelques kilowatts de cintrer des barres de fer plates en forme de boudins ou la section transversale de la barre de fer peut aller jusqu'à 100 mm jaw on the opposite side of the profile against which the profile is bent, and side guides enclosing the profile in the lateral direction A device of this kind is excessively simple and, therefore, economical to manufacture Tests have shown that it is possible by means of a small electric motor a few kilowatts of bending flat iron rod-shaped bars or the cross section of the iron bar can be up to 100 mm
sur 20 mm.on 20 mm.
Un mode de réalisation de l'invention est caractérisé An embodiment of the invention is characterized
en ce que le dispositif comprend une console de pas de vis transpor- in that the device comprises a transom screw console
teuse qui permet de contrôler hydrauliquement le tournage pour donner à la vis le pas convenable qui a été choisi Ainsi on fabrique avec un mécanisme additionnel, des vis transporteuses dont la dimension et It allows to control hydraulically the turning to give the screw the appropriate pitch that has been chosen. Thus, an additional mechanism is used to produce conveyor screws whose size and
le pas peuvent être changés aisément. the step can be changed easily.
L'invention sera décrite ci-après au moyen d'un exemple avec référence aux dessins annexés dans lesquels: la figure 1 représente le dispositif en élévation, la figure 2 montre le même dispositif vu du côté de The invention will be described hereinafter by way of example with reference to the accompanying drawings, in which: FIG. 1 represents the device in elevation, FIG. 2 shows the same device seen from the side of
l'entrée du matériau.the entrance of the material.
Le dispositif consiste en un cylindre hydraulique 2 The device consists of a hydraulic cylinder 2
introduisant le profilé 1 et en un organe de serrage 3 sur l'extré- introducing the profile 1 and a clamping member 3 on the end
mité mobile de celui-ci En combinaison avec ces pièces, on a prévu In combination with these parts, it is expected that
un cliquet 5 de freinage du profilé, fixé au bâti 4 du dispositif. a ratchet 5 for braking the profile, fixed to the frame 4 of the device.
Au bâti 4 du dispositif, on a fixé un cylindre 6 de cintrage; entre In the frame 4 of the device, a bending cylinder 6 has been fixed; enter
l'extrémité mobile 7 de celui-ci et le bâti 4, a été montée pivo- the movable end 7 thereof and the frame 4, has been pivotally mounted
tante une mâchoire de cintrage 8, et sur le côté opposé du profilé 1, on a prévu une contre-mâchoire 9 en forme d'axe, contre laquelle le auant a bending jaw 8, and on the opposite side of the section 1, there is provided a counter-jaw 9 in the form of axis, against which the
profilé sera cintré Le bâti 4 consiste en deux plaques qui consti- profile will be bent Frame 4 consists of two plates
tuent les guides latéraux enserrant le profilé en direction latérale. kill the lateral guides enclosing the profile in the lateral direction.
Le dispositif comprend une console 10 de pas de vis transporteuse qui peut être contrôlée au moyen d'un cylindre hydraulique 11 pour The device comprises a conveyor screw stand 10 which can be controlled by means of a hydraulic cylinder 11 for
tourner la vis, afin qu'elle ait le pas convenable qui a été choisi. turn the screw, so that it has the proper pitch that has been chosen.
Selon la figure 1, le profilé 1 est introduit dans le dispositif dans le côté supérieur droit, de manière que l'extrémité du profilé passe à travers l'organe de serrage 3 et au-delà du cliquet de freinage jusqu'à la position entre la mâchoire de cintrage 8 et la contre-mâchoire 9 Quand la mâchoire de cintrage 8 est relevée au moyen du cylindre hydraulique 6, comme indiqué par la flèche 12, According to Figure 1, the profile 1 is introduced into the device in the upper right side, so that the end of the profile passes through the clamping member 3 and beyond the brake pawl to the position between the bending jaw 8 and the jaw 9 When the bending jaw 8 is raised by means of the hydraulic cylinder 6, as indicated by the arrow 12,
l'extrémité du profilé sera cintrée sur une longueur de cintrage. the end of the profile will be bent over a bending length.
La mâchoire de cintrage retourne à sa position inférieure et le cylindre hydraulique 2 d'alimentation est employé pour faire avancer The bending jaw returns to its lower position and the hydraulic feed cylinder 2 is used to advance
le profilé d'une longueur, ce qui permet de réaliser la seconde opé- the profile of a length, which makes it possible to carry out the second
ration de cintrage avec le cylindre de cintrage 6 Durant le cintrage le cliquet 5 de freinage maintient l'immobilité du profilé par son action de torsion De cette manière, un anneau circulaire est formé par le profilé, une longueur à la fois Si on utilise aussi la conso- le 10 de pas, qui appartient au dispositif et qui, d'autre part, sur une longueur à la fois, cintre le profilé pour obtenir un pas, on forme une vis hélicoïdale Par exemple pour transporter du gravier, on a besoin d'une vis transporteuse qui soit faite dans un matériau Bending ration with the bending cylinder 6 During the bending the brake pawl 5 maintains the immobility of the profile by its twisting action. In this way, a circular ring is formed by the profile, one length at a time. the step 10, which belongs to the device and which, on the other hand, over one length at a time, bends the profile to obtain a pitch, a helical screw is formed. For example, to transport gravel, it is necessary to a conveyor screw made of a material
suffisamment épais et qui soit suffisamment rigide parce que le ma- sufficiently thick and rigid enough because the
tériau à transporter est lourd et exerce une action abrasive sur la vis. The material to be transported is heavy and has an abrasive action on the screw.
Il est évident pour un spécialiste, que les modes de réa- It is obvious to a specialist that the modes of
lisation de l'invention peuvent varier sans sortir du cadre de celle- invention can vary without departing from the scope of the invention.
ci.this.
Par exemple, la longueur de chaque partie qui est cintrée d'une seule fois peut varier mais la longueur la plus convenable est For example, the length of each part that is bent at one time may vary but the most suitable length is
celle de quelques degrés d'arc, par exemple 2 à 40. that of a few degrees of arc, for example 2 to 40.
2 79502 7950
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI821973A FI77996C (en) | 1982-06-03 | 1982-06-03 | Method and apparatus for bending metal profiles |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2527950A1 true FR2527950A1 (en) | 1983-12-09 |
FR2527950B1 FR2527950B1 (en) | 1989-08-25 |
Family
ID=8515629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8309276A Expired FR2527950B1 (en) | 1982-06-03 | 1983-06-03 | METHOD AND DEVICE FOR BENDING METAL PROFILES |
Country Status (8)
Country | Link |
---|---|
CH (1) | CH659597A5 (en) |
DE (1) | DE3321379A1 (en) |
DK (1) | DK162262C (en) |
FI (1) | FI77996C (en) |
FR (1) | FR2527950B1 (en) |
GB (1) | GB2120963B (en) |
NO (1) | NO166764C (en) |
SE (1) | SE461446B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1878233A (en) * | 1929-10-29 | 1932-09-20 | Griscom Russell Co | Coiling machine and method of winding coils |
GB791046A (en) * | 1955-03-07 | 1958-02-19 | Cie De Pont A Mousson | Improvements in and relating to a machine for helically winding metal sheets or plates in particular for producing tubes |
FR1231703A (en) * | 1958-12-11 | 1960-10-03 | Reuss Bergbau U Industriebedar | A method of making wear resistant pneumatic backfill tubes, or the like |
FR1285430A (en) * | 1961-01-12 | 1962-02-23 | Improvements in the manufacture of springs | |
GB2057316A (en) * | 1979-08-31 | 1981-04-01 | Ti Reynolds Ltd | Bending sections |
FR2475945A1 (en) * | 1980-02-14 | 1981-08-21 | Nippon Kokan Kk | PROCESS FOR THE PREPARATION OF THE EDGES OF SHEET METAL IN THE PROCESS FOR FORMING TUBES WITH THE so-called UO PRESS AND APPARATUS FOR ITS IMPLEMENTATION |
US4302959A (en) * | 1977-11-29 | 1981-12-01 | Yakovlev Vladimir K | Method of forming helical springs |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1834C (en) * | FR. HOPPE, Hofschlosser, in Stuttgart | Bending device for gutter supports | ||
GB254066A (en) * | 1925-05-20 | 1926-07-01 | Hugo Junkers | Improvements in and relating to the manufacture of sheet metal pipes |
DE832232C (en) * | 1950-04-12 | 1952-02-21 | Dolberg A G R | Device for bending mandrels encircling eyes at the ends of straight or curved profile steels |
DE1806841U (en) * | 1959-06-02 | 1960-02-25 | Helmut Beltle | BENDING DEVICE FOR THE PRODUCTION OF RAILS FOR GUTTERS. |
US3646797A (en) * | 1970-05-21 | 1972-03-07 | Sealed Power Corp | Machine for forming piston ring spacer-expanders from strip stock |
-
1982
- 1982-06-03 FI FI821973A patent/FI77996C/en not_active IP Right Cessation
-
1983
- 1983-06-01 GB GB08315048A patent/GB2120963B/en not_active Expired
- 1983-06-02 SE SE8303122A patent/SE461446B/en not_active IP Right Cessation
- 1983-06-02 NO NO831990A patent/NO166764C/en not_active IP Right Cessation
- 1983-06-02 DK DK249383A patent/DK162262C/en not_active IP Right Cessation
- 1983-06-03 FR FR8309276A patent/FR2527950B1/en not_active Expired
- 1983-06-06 CH CH308883A patent/CH659597A5/en not_active IP Right Cessation
- 1983-06-14 DE DE19833321379 patent/DE3321379A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1878233A (en) * | 1929-10-29 | 1932-09-20 | Griscom Russell Co | Coiling machine and method of winding coils |
GB791046A (en) * | 1955-03-07 | 1958-02-19 | Cie De Pont A Mousson | Improvements in and relating to a machine for helically winding metal sheets or plates in particular for producing tubes |
FR1231703A (en) * | 1958-12-11 | 1960-10-03 | Reuss Bergbau U Industriebedar | A method of making wear resistant pneumatic backfill tubes, or the like |
FR1285430A (en) * | 1961-01-12 | 1962-02-23 | Improvements in the manufacture of springs | |
US4302959A (en) * | 1977-11-29 | 1981-12-01 | Yakovlev Vladimir K | Method of forming helical springs |
GB2057316A (en) * | 1979-08-31 | 1981-04-01 | Ti Reynolds Ltd | Bending sections |
FR2475945A1 (en) * | 1980-02-14 | 1981-08-21 | Nippon Kokan Kk | PROCESS FOR THE PREPARATION OF THE EDGES OF SHEET METAL IN THE PROCESS FOR FORMING TUBES WITH THE so-called UO PRESS AND APPARATUS FOR ITS IMPLEMENTATION |
Also Published As
Publication number | Publication date |
---|---|
NO166764B (en) | 1991-05-27 |
GB8315048D0 (en) | 1983-07-06 |
FI77996B (en) | 1989-02-28 |
GB2120963B (en) | 1986-05-29 |
SE461446B (en) | 1990-02-19 |
FR2527950B1 (en) | 1989-08-25 |
GB2120963A (en) | 1983-12-14 |
SE8303122D0 (en) | 1983-06-02 |
DK249383D0 (en) | 1983-06-02 |
FI77996C (en) | 1989-06-12 |
DE3321379A1 (en) | 1984-12-20 |
SE8303122L (en) | 1983-12-04 |
DK162262B (en) | 1991-10-07 |
DK162262C (en) | 1992-03-16 |
FI821973A0 (en) | 1982-06-03 |
CH659597A5 (en) | 1987-02-13 |
NO831990L (en) | 1983-12-05 |
NO166764C (en) | 1991-09-04 |
DK249383A (en) | 1983-12-04 |
FI821973L (en) | 1983-12-04 |
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