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Helical spring winding equipment and method for winding a helical spring

A technology of coil springs and equipment, which is applied in the field of equipment for winding coil springs, and can solve problems such as restrictions on spring types

Inactive Publication Date: 2020-04-28
SPUHL AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the types of springs that can be produced by such helical spring winding equipment can be more limited

Method used

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  • Helical spring winding equipment and method for winding a helical spring
  • Helical spring winding equipment and method for winding a helical spring
  • Helical spring winding equipment and method for winding a helical spring

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Embodiment Construction

[0078] Embodiments of the present invention will be described with reference to the drawings, wherein like reference numerals indicate like elements.

[0079] While embodiments of the present invention will be described in the context of a particular application of helical spring winding equipment, it should be understood that the embodiments are not so limited. For purposes of illustration, although certain embodiments will be described in the context of a coil spring winding device operable to output an endless coil spring, the configuration of the coil spring winding device according to embodiments is not limited thereto, and the Helical spring winding equipment can alternatively or additionally be used for producing helical springs of limited height. For further explanation, while certain embodiments will be described in the context of a coil spring winding device operable to output a coil spring, even while the coil spring is still coupled to the rotor of the coil spring ...

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Abstract

A helical spring winding device (1) comprises a stator and a rotor (10) on which the rotor (10) is supported so as to be rotatable about an axis of rotation (13). The axis of rotation (13) extends along the spring axis of the coil spring wound by the coil spring winding device. At least one winding tool (21, 22) is supported on the rotor (10) for rotation about a rotation axis (13) of the rotor (10) when the rotor (10) rotates. The at least one winding tool (21, 22) is configured to bend the wire (8) to form the helical spring when the rotor (10) rotates. The at least one winding tool (21, 22) is adjustable relative to the rotor (10).

Description

technical field [0001] Embodiments of the present invention relate to an apparatus and method for winding a coil spring. Embodiments of the present invention relate, inter alia, to an apparatus and method for winding a helical spring, wherein a rotor supporting one or more winding tools is mounted rotatably about a spring's axis of rotation. Background technique [0002] Mattresses, sofas or other bedding or seating furniture may be provided with innerspring units. The innerspring unit may be formed from a spring. A machine for forming an innerspring unit may be provided with a coil spring winding device operable to wind a coil spring. Typically, a plurality of springs having a height that matches the height of the innerspring unit are engaged with each other to form the innerspring unit. In other cases, the endless coil spring may be further processed, such as by bending, to produce an innerspring unit from the endless coil spring. [0003] Helical spring winding equipm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21F3/06B21F35/00B21F3/02
CPCB21F3/02B21F35/00B21F3/06
Inventor 罗兰·凯勒
Owner SPUHL AG