SU1444263A1 - Core for winding strip material - Google Patents

Abstract

The invention relates to devices for winding a lengthy material and can be used in the textile industry and other industries. The purpose of the invention is to improve the serviceability of the mandrel. The mandrel consists of a central hollow core 1 and side spacers 9, pivotally connected to eyelets 8 rigidly mounted in slots of core 1. In places of articulation with eyelets, spacer arms 9 are provided with grooves 11, due to which arms 9 have the ability to move under load, thereby changing the lateral dimensions of the mandrel. To return the mandrel to its original condition, springs 6 are mounted on the ends of the core 1 in its cavity, which load the ends of the spacer arms. 1 il.

Description

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The invention relates to devices for handling thin flexible articles and materials, for example fabrics, and can be used for winding rolls of tape materials with the possibility of their subsequent removal from rolls for later use, for example, in the trade of fabrics and other tape materials. materials

The purpose of the invention is to improve the serviceability of the mandrel.

The drawing shows the external part of the device, side view,

The device contains two parts, shown in the drawing, interconnected by central and side tubes. The mandrel consists of a central core 1, a head 2 with a hemispherical end with a hexagonal section 3 on the neck 4 and with a plug 5 in contact with a pressure spring 6 connected to the washer 7, a support element in the form of an eyelet 8 and spacer arms 9 associated with the eye 8 the hinges 10 placed in the slots 1 The levers 9 at the site of the hinges 10 and the joints with the lug 8 are curvilinear, and their ends 12 are placed in the longitudinal slot of the hollow core 1. The levers 9 by the hinges 13 are connected with the levers 14 with the possibility of moving relative i of the core 1 to form the lateral surface of the mandrel.

The device works as follows.

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The mandrel is inserted into the mechanism for rewinding the tape material. There is a lot of material on it. To remove the mandrel from the roll, it is sufficient to compress the levers 14, i.e. bring one relative to the other. At the same time, turning around the hinge 13, the levers 14 rotate the levers 9 around the hinges 10, which with the help of the grooves 11 go deeper into the cavity of the core 1, while the rounded ends 12 are pressed.

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 Q “With a wand on the washer 7, through which the force perceives the spring 6, cringing at the same time. In this state, the mandrel, having a width that is reduced in size, is easily removed from the roll of tape material. Upon the termination of the force action on the levers 14 under the force of the compressed spring 6, the washer 7 presses the twisted, ends 12 of the spacer arms 9, which, moving the grooves 11 along the hinges 10, take the initial position, unclenching the levers H to the limit, i.e. Mandrel automatically takes the original form.

The technical and economic advantage of the proposed device is that it significantly reduces the time spent on removing it from a roll of tape material, helping to increase labor productivity, and reducing labor intensity.

Claims (1)

Invention Formula A mandrel for winding the tape material containing a central core, spacer arms forming the lateral surface of the mandrel and mounted for movement relative to the core, support elements pivotally connected to the spacer arms and mounted on the central core, and pressure springs placed // on core, which is due to the fact that, in order to improve serviceability, the supporting elements are made in the form of eyelets, and the central core is made with longitudinal slots at the ends, in The lugs are secured, while the spacer arms at the junction areas with the lugs are curved with slots for accommodating the hinges and p; 3, are flattened in the slots of the central core, and the pressure springs are installed in the cavity of the heart at its free ends.