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Apparatus for the production of pocketed coil springs

A technology for coil springs and equipment, applied in the field of set coil spring components, can solve problems such as the maximum length limitation, and achieve the effects of improving responsiveness, quality and productivity

Inactive Publication Date: 2004-09-08
SPRINGFORM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the maximum length to which such springs can be produced is often strictly limited

Method used

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  • Apparatus for the production of pocketed coil springs
  • Apparatus for the production of pocketed coil springs
  • Apparatus for the production of pocketed coil springs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0046] see first figure 1 , which schematically shows the coiling unit of the apparatus of the present invention, which consists of three parts to determine the form of the helical spring produced by the steel wire 1 fed into the coiling unit by conventional means. These three parts are a pair of feed rollers 2 and 3 , a coil finger 4 and a so-called spreader 5 . The feed rollers 2, 3 define the axis along which the wire is fed into the fingers 4 and extension 5, which is the main axis relative to which the orientation axis (minor axis) of the fingers 4 and extension 5 can be adjusted. The orientation of the fingers 4 and extensions 5 is governed by a servo motor 6.7 controlled by a programmable logic controller (PLC) 8 . This PLC8 is then connected on the computer control board 9 again. The connection between the control board 9 and the PLC8 may only become necessary at certain times, for example, for downloading data to the PLC8 or performing monitoring operations of the P...

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Abstract

There is described apparatus for the production of pocketed coil springs. The apparatus comprises a coiling section in which a coil is formed from wire (1) fed to the coiling section, said coiling section comprising coiling elements (2, 3, 4, 5) whose position and / or orientation determines the form of said coil, and an encapsulation section in which the coil is inserted between juxtaposed sheets of material and in which the sheets of material are joined together to form a pocket enclosing the coil. The apparatus further comprises programmable control means (8) operably linked to said coiling elements (2, 3, 4, 5) in such a way as to control the position and / or orientation of the coiling elements (2, 3, 4, 5).

Description

technical field [0001] The invention relates to a device and a method for producing a sleeved coil spring, and relates to a sleeved coil spring assembly. Background technique [0002] Set coil springs, that is, strings of springs enclosed in fabric bags joined by seams, are widely used in the manufacture of quilts, cushions, etc. [0003] Equipment for producing nested coil springs is generally considered to consist of two parts: a coiled section, in which the coiled spring is formed; and an encapsulation section, in which the coiled spring is inserted between two layers of material, which are then bonded together to form the encapsulated coiled spring. set. [0004] The coiling of the wire is generally accomplished through the interaction of three components: the feed roller, which pulls the wire through the coiler; the so-called "fingers", which control the diameter of the coil spring as it forms; and the so-called extension , which controls the pitch of the coil spring....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47C23/04A47C27/06B21F3/02B21F27/16B21F33/04B21F35/00B68G9/00
CPCB68G9/00B21F33/04Y10T29/5187Y10T29/5197Y10T29/49613
Inventor I·J·惠特沃思
Owner SPRINGFORM TECH