RU2632864C2 - Method of manufacturing shells of pneumatic structures and large area webs of film material - Google Patents

Abstract

FIELD: textile, paper.

SUBSTANCE: when carrying out the method of manufacturing shells and large area webs of film material, the material is alternately unwound and wound onto the pick-up rolls. At the same time, the webs of film material are unwound and sequentially folded into a bag from a feed shaft. The semi-finished products, accumulated during rewinding, are cut and put together at the edges.

EFFECT: possibility of obtaining a shell or web of a large area in the form of a compact roll.

1 dwg

Description

Level and technical field

The invention relates to the field of manufacturing shells of large aerostats, pneumatic structures or a large surface area web, obtained in the form of a roll.

Currently, for the manufacture of shells of aerostats, a laborious manual process for welding pre-cut parts of shells of pneumatic structures is used. Used plenary or roll computerized stands for cutting material. The prototype of the machine, which allows to automatically combine the processes of cutting and welding of the entire set of shell paintings and get the finished balloon shell in the form of a roll, is unknown in the technique.

Due to the significant size of the blanks of such products and a large share of manual labor, the final product has a significant cost and duration of the production cycle.

Brief Description of the Drawing

1. Feed shaft

2. Receiving shafts

3. Auxiliary shafts

4. Blocks of cutting and connecting heads.

The essence of the method and the embodiment of the installation for the manufacture of shells.

The method consists in alternately winding-winding onto receiving rolls of the material web in order to fold the blanks into a bag with simultaneous pair cutting and (or) joining predominantly along the length of the rewind blanks accumulated in the receiving roll system into a large-area web or a sphere-like pneumatic construction depending on the presence or absence cutting of material.

The production plant includes a feed shaft with a roll of film material (1). At least two receptions with a cyclically changing direction of rotation of the shaft (2) (hereinafter referred to as reversible), which serve to accumulate product blanks in a rewind bag. Systems of reversibly rotating auxiliary shafts necessary for redirecting the material coming from the feed shaft (3). Blocks of cutting-connecting heads (4) mounted on opposite edges of a tape of material moving relative to different receiving shafts, respectively. Each of the head blocks has the possibility of controlled orthogonal movement along the guides relative to the supply of material with the aim of cutting and splicing. The direction of rotation of the receiving and auxiliary shafts is reversed after winding, cutting and connecting the next pair of workpieces with the aim of winding, cutting and connecting the next workpiece, with the last part of the finished product on the opposite edge. Thus, the number of connected parts in the rewind package increases by one after the next reverse of the installation, and with the accumulation of the required number, a package of connected parts is formed in the form of an accordion wound on one of the receiving shafts.

The package can be connected along the contours of the first and last parts and thus form a closed contour of the shell or sleeve, which has a compact transportable form of the finished product roll.

Task and technical result

The invention is directed to the elimination of manual unproductive labor, improves the manufacturing quality of dimensional film products.

Claims (1)

A method of manufacturing shells and canvases of a large area of film material, characterized in that they are alternately wound and wound on receiving rolls, simultaneously with unwinding and sequentially stacking, the canvases of film material from the feed shaft are pairwise cut and joined along the edges of the workpieces accumulated during the winding process with the receipt of a roll of canvas of a large area or blanks of a spherical shell of a large volume.

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