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Bending machine equipped with a pantograph

a pantograph and bending machine technology, applied in the field of machines, can solve the problems of high cost, large number of devices employed by spare, and difficulty in synchronizing the mentioned devices

Inactive Publication Date: 2013-06-20
CRIPPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention relates to a pantograph that can move vertically without also moving horizontally, which avoids compensating for the position of the tube. This is achieved by a controlled axis pushed by an electric motor connected to a mechanical system of translation, such as a screw, which allows for micrometric movements. This invention has technical benefits, reducing the need for position compensation and allowing for precise movements.

Problems solved by technology

Known handling systems of the spar have the inconvenience of having to employ a large number of devices to accomplish the aforementioned vertical movement of the spar.
The large number of these devices has the disadvantage of the cracks and the difficulty of synchronizing the mentioned devices and also they have high costs.

Method used

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  • Bending machine equipped with a pantograph
  • Bending machine equipped with a pantograph
  • Bending machine equipped with a pantograph

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Embodiment Construction

[0008]The present invention solves the problems of the prior art advantageously through the adoption of a pantograph-shaped device placed under the spar and it is suitable to move said spar vertically.

[0009]The handling device of the spar having pantograph shape, briefly hereinafter pantograph, it includes at least two couple of crossbars. The pairs of the crossbars are placed so as to form at least two parallel X, at least connected by a central pivot. The extremes of the parallel X, formed by the crossbars making up the pantograph are connected by at least two couple of pins each other parallel and also parallel to the surface on which the machine is placed. The pins placed near to the bending head of the machine have a limited mobility. Said pins have only vertical mobility and this mobility is reserved to the upper pins preferably and the lower pin cannot change quota.

[0010]Rear pivots of the pantograph have also movement, in particular the lower pin can move only horizontally w...

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Abstract

The present invention relates to a machine for bending a material having the shape of a wire as a tube having vertical movement of the spar by the use of a pantograph lifting device, advantageously reducing the number of devices used for lifting of said spar and advantageously increasing the lateral stiffness of the machine.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a machine for bending a material having the shape of a wire as a tube having a vertical movement of the spar by the use of a pantograph lifting device, advantageously reducing the number of devices used for lifting said spar and increasing the lateral stiffness of the machine.STATE OF THE ART[0002]It is known, the machine for bending of a material having the shape of a wire, such as the tube, it is equipped with a spar on which a positioner of the material having the shape of a wire is installed to be bent, hereinafter named tube, a core pull for said tube, the bending head placed at one end of said spar.[0003]To proceed to bend the tube by the bending head equipped with appropriate means, the tube to be bent, housed in the positioned, must be placed in a given position with respect to the bending head. This placement has obtained moving the spar vertically: for clarity, the applicant brings out that the above vertical dir...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B21D7/00
CPCB21D7/16B21D43/285B21D43/006
Inventor FULCO, DOMENICO
Owner CRIPPA