ITMI20112305A1 - BENDER MACHINE EQUIPPED WITH PANTOGRAPH - Google Patents
BENDER MACHINE EQUIPPED WITH PANTOGRAPH Download PDFInfo
- Publication number
- ITMI20112305A1 ITMI20112305A1 IT002305A ITMI20112305A ITMI20112305A1 IT MI20112305 A1 ITMI20112305 A1 IT MI20112305A1 IT 002305 A IT002305 A IT 002305A IT MI20112305 A ITMI20112305 A IT MI20112305A IT MI20112305 A1 ITMI20112305 A1 IT MI20112305A1
- Authority
- IT
- Italy
- Prior art keywords
- pantograph
- machine
- pins
- pin
- tube
- Prior art date
Links
- 238000005452 bending Methods 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003797 telogen phase Effects 0.000 description 1
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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
- B21D43/285—Devices for handling elongated articles, e.g. bars, tubes or profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Description
avente per titolo: MACCHINA CURVATUBI DOTATA DI PANTOGRAFO entitled: TUBE BENDING MACHINE EQUIPPED WITH PANTOGRAPH
SCOPO DELL’INVENZIONE PURPOSE OF THE INVENTION
La presente invenzione riguarda una macchina per curvare materiale filiforme come un tubo con movimentazione verticale del longherone mediante l’impiego di un dispositivo sollevatore a pantografo, riducendo vantaggiosamente il numero di dispositivi impiegati per il sollevamento di detto longherone e aumentando la rigidità laterale della macchina. The present invention relates to a machine for bending thread-like material such as a tube with vertical movement of the side member by means of a pantograph lifting device, advantageously reducing the number of devices used for lifting said side member and increasing the lateral rigidity of the machine. .
LO STATO DELL’ARTE THE STATE OF THE ART
Come à ̈ noto, la macchina per la curva di materiale filiforme, quale à ̈ il tubo, à ̈ dotata di un longherone sul quale à ̈ installato un posizionatore del materiale filiforme da curvare, qui di seguito denominato brevemente tubo, un estrattore dell’anima per detto tubo, una testa di curvatura posta ad una estremità di detto longherone. As is known, the machine for bending thread-like material, such as the tube, is equipped with a longitudinal member on which a positioner for the thread-like material to be bent is installed, hereinafter briefly referred to as a tube, an extractor of the Core for said tube, a bending head placed at one end of said longitudinal member.
Per procedere alla curvatura del tubo mediante la testa di curvatura dotata di appositi mezzi, il tubo da curvare, alloggiato nel posizionatore, esso deve essere portato in una determinata posizione rispetto alla testa di curvatura. Tale posizionamento à ̈ ottenuto movimentando verticalmente il longherone: per chiarezza si evidenzia che detta direzione verticale del longherone à ̈ ovviamente da individuarsi rispetto al piano sul quale l’intera macchina à ̈ posizionata. Le macchine di curva tubi conosciute realizzano tale movimentazione utilizzando un numero considerevole di dispositivi. To proceed with the bending of the pipe by means of the bending head equipped with suitable means, the pipe to be bent, housed in the positioner, must be brought into a specific position with respect to the bending head. This positioning is obtained by moving the side member vertically: for clarity, it should be noted that said vertical direction of the side member must obviously be identified with respect to the plane on which the entire machine is positioned. Known tube bending machines carry out this movement by using a considerable number of devices.
Dette macchine curva tubi conosciute risolvono il problema di movimentare verticalmente il longherone con una parete verticale dotata di appositi dispositivi di sollevamento del longherone stesso. Detti dispositivi di sollevamento posizionati sulla parete agganciano il longherone sollevandolo alla quota desiderata. Altre macchine conosciute risolvono il medesimo problema mediante strutture a forma di U, in numero di almeno due, anch’esse dotate di dispositivi di sollevamento del longherone. Said known tube bending machines solve the problem of moving the longitudinal member vertically with a vertical wall equipped with suitable lifting devices for the longitudinal member itself. Said lifting devices positioned on the wall hook the side member lifting it to the desired height. Other known machines solve the same problem by means of U-shaped structures, at least two in number, also equipped with lifting devices for the side member.
Secondo quest’altra soluzione conosciuta, il longherone in questione à ̈ posto all’interno di dette strutture a U ed à ̈ sollevato alla quota desiderata mediante i dispositivi di sollevamento delle quali sono dotate le citate strutture ad U. According to this other known solution, the longitudinal member in question is placed inside said U-shaped structures and is raised to the desired height by means of the lifting devices with which the aforementioned U-shaped structures are equipped.
I sistemi di movimentazione conosciuti del longherone hanno l’inconveniente di dover impiegare un numero elevato di dispositivi per compiere la citata movimentazione verticale del longherone. Il numero elevato di detti dispositivi ha l’inconveniente delle rotture e della difficoltà di sincronizzazione dei citati dispositivi, avendo altresì un elevato aggravio di costi. Known systems for moving the side member have the drawback of having to use a large number of devices to perform the aforementioned vertical movement of the side member. The large number of said devices has the drawback of breakages and the difficulty of synchronizing the aforementioned devices, also having a high increase in costs.
ESPOSIZIONE DELL’INVENZIONE EXPOSURE OF THE INVENTION
La presente invenzione risolve vantaggiosamente i problemi della tecnica nota mediante l’adozione di un dispositivo a forma di pantografo posto sotto al longherone ed à ̈ idoneo a movimentare verticalmente detto longherone. The present invention advantageously solves the problems of the known art by adopting a pantograph-shaped device placed under the side member and is suitable for vertically moving said side member.
Il dispositivo di movimentazione del longherone a forma di pantografo, nel seguito brevemente pantografo, comprende almeno due coppie di traverse. Le coppie delle traverse sono poste in modo da formare almeno due X parallele, collegate almeno da un perno centrale. Gli estremi delle X parallele formate dalle traverse che compongono il pantografo sono collegati da almeno due coppie di perni paralleli tra loro e al piano sul quale à ̈ posta la macchina. I perni posti in prossimità della testa di curvatura della macchina hanno una mobilità limitata. Detti perni hanno solo una mobilità verticale e preferibilmente detta mobilità à ̈ riservata al perno superiore mentre il perno inferiore non può cambiare quota. The pantograph-shaped side member movement device, hereinafter briefly pantograph, comprises at least two pairs of cross members. The pairs of the crosspieces are placed in such a way as to form at least two parallel Xs, connected at least by a central pin. The ends of the parallel Xs formed by the crosspieces that make up the pantograph are connected by at least two pairs of pins parallel to each other and to the plane on which the machine is placed. The pins located near the bending head of the machine have limited mobility. Said pivots have only a vertical mobility and preferably said mobility is reserved for the upper pivot while the lower pivot cannot change height.
I perni posteriori del pantografo hanno anch’essi movimentazione, segnatamente il perno inferiore può muoversi solo orizzontalmente mentre il perno superiore ha movimentazione verticale e orizzontale. The rear pins of the pantograph also have movement, in particular the lower pin can only move horizontally while the upper pin has vertical and horizontal movement.
I vincoli posti alla movimentazione dei citati perni di ciascun pantografo permettono vantaggiosamente di movimentare del longherone in senso verticale senza che esso trasli anche orizzontalmente, evitando vantaggiosamente di dover compensare la posizione del tubo. The constraints placed on the movement of the aforementioned pins of each pantograph advantageously allow the longitudinal member to be moved vertically without it also translating horizontally, advantageously avoiding having to compensate for the position of the tube.
I dispositivi di movimentazione a pantografo sono usualmente mossi da un cilindro idraulico che spinge gli estremi di detto pantografo. Tale cilindro à ̈ controllato da una centralina idraulica, ma sfortunatamente detta centralina à ̈ troppo voluminosa e pertanto non vantaggiosa poiché aumenta in modo inaccettabile l’area occupata dalla macchina. The pantograph handling devices are usually moved by a hydraulic cylinder which pushes the ends of said pantograph. This cylinder is controlled by a hydraulic control unit, but unfortunately said control unit is too bulky and therefore not advantageous as it increases the area occupied by the machine in an unacceptable way.
Per risolvere quest’ultimo inconveniente, il pantografo oggetto della presente invenzione à ̈ movimentato mediante un asse controllato che spinge le estremità del pantografo. Tale movimentazione à ̈ realizzata mediante un motore elettrico che può essere controllato in modo preciso. Detto motore à ̈ collegato a un sistema meccanico di traslazione, preferibilmente una vite. Detta vite può avere anche un passo fine in modo da consentire addirittura movimentazioni micrometriche. To solve this last drawback, the pantograph object of the present invention is moved by means of a controlled axis which pushes the ends of the pantograph. This movement is carried out by means of an electric motor which can be precisely controlled. Said motor is connected to a mechanical translation system, preferably a screw. Said screw can also have a fine pitch in order to allow even micrometric movements.
DESCRIZIONE DELLE FIGURE DESCRIPTION OF THE FIGURES
La figura 1 mostra una vista prospettica del complesso della macchina per curvare materiale filiforme come un tubo che à ̈ oggetto della presente invenzione posta in posizione di riposo. Figure 1 shows a perspective view of the assembly of the machine for bending filiform material such as a tube which is the object of the present invention placed in the rest position.
La figura 2 mostra una vista prospettica della macchina per curvare materiale filiforme come un tubo con il longherone sollevato. Figure 2 shows a perspective view of the machine for bending filiform material such as a tube with the side member raised.
La figura 1 mostra in vista prospettica il complesso della macchina (1) per curvare materiale filiforme come un tubo che comprende un longherone (2), un posizionatore (3), un estrattore dell’anima (4) per detto tubo, una testa di curvatura (5) ed un dispositivo (6) di sollevamento verticale del longherone (2). Detto dispositivo (6) à ̈ a forma di pantografo comprendente due coppie di traverse (7<1>, 7<2>e 8<1>, 8<2>). Nella forma di realizzazione illustrata nella figura 1 sono rappresentate due coppie di traverse ma rientra nella presente invenzione anche l’impiego di un numero maggiore di coppie di traverse. Figure 1 shows a perspective view of the assembly of the machine (1) for bending filiform material such as a tube which includes a longitudinal member (2), a positioner (3), a core extractor (4) for said tube, a head bending device (5) and a device (6) for vertical lifting of the side member (2). Said device (6) is in the form of a pantograph comprising two pairs of crosspieces (7 <1>, 7 <2> and 8 <1>, 8 <2>). In the embodiment illustrated in Figure 1 two pairs of cross members are represented but the use of a greater number of pairs of cross members also falls within the present invention.
Dette coppie di traverse sono poste in modo da formare due X parallele, collegate da un perno centrale (9). Dette traverse hanno le estremità collegate da una coppia di perni paralleli anteriori (10<1>, 10<2>) e una coppia di perni posteriori (11<1>, 11<2>). Detti perni hanno una mobilità limitata. Said pairs of crosspieces are placed so as to form two parallel Xs, connected by a central pin (9). These cross members have their ends connected by a pair of parallel front pins (10 <1>, 10 <2>) and a pair of rear pins (11 <1>, 11 <2>). These pins have limited mobility.
I perni anteriori (10<1>, 10<2>) hanno una mobilità , non rappresentata graficamente, solo verticale e preferibilmente tale mobilità verticale à ̈ riservata al solo perno superiore (10<1>). The anterior pins (10 <1>, 10 <2>) have only vertical mobility, not represented graphically, and preferably this vertical mobility is reserved for the upper pin only (10 <1>).
La coppia di perni posteriori (11<1>, 11<2>) ha un movimento, non rappresentato graficamente, orizzontale e il perno posteriore superiore (11<1>) ha anche un movimento verticale. The rear pin pair (11 <1>, 11 <2>) has horizontal movement, not graphed, and the top rear pin (11 <1>) also has vertical movement.
L’azionamento del dispositivo (6) in virtù del quale il longherone (2) à ̈ sollevato verticalmente à ̈ affidato a un asse controllato (12) idoneo a spingere almeno un perno posteriore (11<1>) e/o (11<2>). The actuation of the device (6) by virtue of which the side member (2) is raised vertically is entrusted to a controlled axis (12) suitable for pushing at least one rear pin (11 <1>) and / or (11 <2>).
L’asse controllato (12) prevede preferibilmente un motore elettrico (13) controllato da un sistema meccanico di traslazione (14), preferibilmente una vite. The controlled axis (12) preferably provides an electric motor (13) controlled by a mechanical translation system (14), preferably a screw.
Con riferimento alla figura 2, la macchina oggetto della presente invenzione à ̈ rappresentata prospetticamente dopo il sollevamento verticale del longherone (2). E’ mostrata con linea tratteggiata la posizione del dispositivo (6) a forma di pantografo in posizione di riposo e con linea continua dopo aver sollevato il longherone (2). In detta figura sono evidenziate con linea tratteggiata le posizioni delle coppie anteriori dei perni (10<1>e 10<2>) e la coppia di perni posteriore (11<1>e 11<2>) con il dispositivo (6) a pantografo in fase di riposo e le stesse coppie di perni rappresentati con linea continua dopo che il longherone (2) à ̈ stato sollevato verticalmente dal dispositivo (6). In detta figura 2 sono evidenziati gli spostamenti dei perni per procedere a detto sollevamento: il perno anteriore superiore (10<1>) si à ̈ spostato solo verticalmente; il perno anteriore inferiore (10<2>) non ha cambiato posizione; il perno posteriore superiore (11<1>) si à ̈ spostato sia orizzontalmente che verticalmente; il perno posteriore inferiore (11<2>) ha cambiato posizione solo orizzontalmente. With reference to Figure 2, the machine object of the present invention is represented in perspective after the vertical lifting of the side member (2). The position of the pantograph-shaped device (6) in the rest position is shown with a broken line and with a solid line after lifting the side member (2). In this figure, the positions of the front pairs of pins (10 <1> and 10 <2>) and the pair of rear pins (11 <1> and 11 <2>) with the device (6) are highlighted with a dashed line. pantograph in the rest phase and the same pairs of pins shown with a solid line after the longitudinal member (2) has been lifted vertically by the device (6). In said figure 2 the displacements of the pins to proceed to said lifting are highlighted: the upper front pin (10 <1>) has moved only vertically; the lower front pin (10 <2>) has not changed position; the upper rear pin (11 <1>) has moved both horizontally and vertically; the lower rear pin (11 <2>) has changed position only horizontally.
Claims (6)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT002305A ITMI20112305A1 (en) | 2011-12-19 | 2011-12-19 | BENDER MACHINE EQUIPPED WITH PANTOGRAPH |
| US13/562,988 US20130152662A1 (en) | 2011-12-19 | 2012-07-31 | Bending machine equipped with a pantograph |
| DE102012213731A DE102012213731A1 (en) | 2011-12-19 | 2012-08-02 | Bending machine equipped with a pantograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT002305A ITMI20112305A1 (en) | 2011-12-19 | 2011-12-19 | BENDER MACHINE EQUIPPED WITH PANTOGRAPH |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ITMI20112305A1 true ITMI20112305A1 (en) | 2013-06-20 |
Family
ID=45491686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT002305A ITMI20112305A1 (en) | 2011-12-19 | 2011-12-19 | BENDER MACHINE EQUIPPED WITH PANTOGRAPH |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20130152662A1 (en) |
| DE (1) | DE102012213731A1 (en) |
| IT (1) | ITMI20112305A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1244069B (en) * | 1989-10-25 | 1994-07-05 | Semmlinger Werner | PIPE BENDING MACHINE FOR LONG AND THIN PIPES. |
| US5722513A (en) * | 1995-06-20 | 1998-03-03 | Pentalift Equipment Corporation | Scissor lift |
| EP0872293A2 (en) * | 1997-03-21 | 1998-10-21 | BLM S.p.A. | Machine for bending of pipes and bars |
| EP0950443A1 (en) * | 1998-04-17 | 1999-10-20 | Burr Oak Tool and Gauge Company, Inc. | Tube bender loader and unloader |
| EP1783068A1 (en) * | 2004-08-26 | 2007-05-09 | Daifuku Co., Ltd. | Conveyance apparatus with lifting/lowering load carrying platform |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3429169A (en) * | 1967-03-03 | 1969-02-25 | Reynolds Metals Co | Apparatus for and method of straightening bow means in an elongated member |
| JPS51149152A (en) * | 1975-06-17 | 1976-12-21 | Sumitomo Metal Ind | Stripper guide for rolling mill |
| US4782686A (en) * | 1987-06-01 | 1988-11-08 | Carson Jr Edward C | Tube bender for greenhouse structural supports |
| IT1225886B (en) * | 1988-11-18 | 1990-12-07 | Francesco Fiorese | EQUIPMENT FOR REPAIR OF ACCIDENTED VEHICLES. |
| US5355711A (en) * | 1992-08-27 | 1994-10-18 | Chisum Finis L | Vehicle lift and support having connectable body and frame measuring and straightening equipment |
| JP3000806B2 (en) * | 1992-10-12 | 2000-01-17 | トヨタ自動車株式会社 | Continuous differential pressure casting |
-
2011
- 2011-12-19 IT IT002305A patent/ITMI20112305A1/en unknown
-
2012
- 2012-07-31 US US13/562,988 patent/US20130152662A1/en not_active Abandoned
- 2012-08-02 DE DE102012213731A patent/DE102012213731A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1244069B (en) * | 1989-10-25 | 1994-07-05 | Semmlinger Werner | PIPE BENDING MACHINE FOR LONG AND THIN PIPES. |
| US5722513A (en) * | 1995-06-20 | 1998-03-03 | Pentalift Equipment Corporation | Scissor lift |
| EP0872293A2 (en) * | 1997-03-21 | 1998-10-21 | BLM S.p.A. | Machine for bending of pipes and bars |
| EP0950443A1 (en) * | 1998-04-17 | 1999-10-20 | Burr Oak Tool and Gauge Company, Inc. | Tube bender loader and unloader |
| EP1783068A1 (en) * | 2004-08-26 | 2007-05-09 | Daifuku Co., Ltd. | Conveyance apparatus with lifting/lowering load carrying platform |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012213731A1 (en) | 2013-06-20 |
| US20130152662A1 (en) | 2013-06-20 |
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