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Machine of variable linear structure for the formation of tubes

A technology for machines and pipe fittings, which is applied in the field of machines with variable linear configuration for pipe fittings, and can solve problems such as increasing machine downtime and affecting equipment productivity.

Inactive Publication Date: 2010-03-24
OLIMPIA 80 SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of these machines in the prior art is that if it is desired (or necessary) to change the diameter of the manufactured pipe, it is necessary to replace each pair of rollers, which increases the downtime of the machine more or less, thereby affecting the entire set of equipment productivity

Method used

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  • Machine of variable linear structure for the formation of tubes
  • Machine of variable linear structure for the formation of tubes
  • Machine of variable linear structure for the formation of tubes

Examples

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Embodiment Construction

[0023] Corresponding parts will be designated by the same numerals throughout the drawings.

[0024] figure 1 is a schematic perspective view of a machine 1 for forming pipes 2 made according to the invention, comprising a set for the sheet metal strip 4 which enters the machine 1 in the direction of the arrow I Drawing device 13, first forming table 3, second forming table 3', holding table 12 (each holding table is located downstream of forming table), at least one finishing table 5, and at least one welding work station Taiwan (which is known per se, figure 1 with figure 2 The workbench is deleted in ), these components are arranged in series, and the pipe 2 exits from the welding workbench along the direction of arrow U.

[0025] exist figure 1 with figure 2 In the embodiment shown, the machine 1 comprises five second forming stations 3', six holding stations 12 (from figure 2 can be seen in the side view of ), and two finishing tables 5, but without departing ...

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PUM

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Abstract

The machine (1) for the formation of tubes (2) comprises at least, in series with each other, forming stations (3, 3') comprising pairs of idle rollers (8, 8') which make rototranslational movements of the same amplitude but in opposite directions, and at least one finishing station (5) comprising four idle rollers (91) having a concave profile with a constant curvature and able to perform rototranslational movements of the same amplitude and direction according to 90 DEG axes. The lower rollers (8') of each forming station (3, 3') have an elliptical profile with a curvature decreasing form the outer edge to the inner edge of said roller (8'). The upper rollers (8) of the first forming station (3) have an elliptical profile with a curvature increasing from the outer edge to the inner edgeof said roller (8); the upper rollers (8'') of the forming stations (3') subsequent to the first (3) have a circular profile.

Description

technical field [0001] The invention relates to a machine for performing forming operations on tubes, of the so-called "variable linear configuration" type, comprising a plurality of forming tables arranged in tandem, which progressively deform strips of sheet metal. These forming stations are followed by at least one finishing station which further joins together the edges of the rolled sheet metal strip for final welding operations. Background technique [0002] In the prior art there are machines for forming tubes by performing continuous bending of sheet metal which comprise a plurality of work stations arranged in tandem in which pairs of mating profiles are used Rollers perform progressive deformation operations on strips of sheet metal. [0003] The disadvantage of these machines in the prior art is that if it is desired (or necessary) to change the diameter of the manufactured pipe, it is necessary to replace each pair of rollers, which increases the downtime of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D11/10
CPCB21D5/12B21C37/08
Inventor V·特拉维尼R·博索尼
Owner OLIMPIA 80 SRL