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Method and related device for actuating thread cutting and thread clamping devices

A technology of actuating device and clamping device, which is applied in the mechanism of embroidery machine, textile and papermaking, embroidery machine, etc., can solve the problem of non-positioning and achieve the effect of less blocking

Active Publication Date: 2020-09-11
LAESSER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has turned out that the end of the yarn from the material to be embroidered is relatively long and the second end from the shuttle is not positioned in a precisely defined position

Method used

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  • Method and related device for actuating thread cutting and thread clamping devices
  • Method and related device for actuating thread cutting and thread clamping devices
  • Method and related device for actuating thread cutting and thread clamping devices

Examples

Experimental program
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Embodiment Construction

[0026] In FIG. 1 , a drive rod 1 with an upper drive pin 3 and a lower drive pin 5 can be seen on the left, extending over the entire length of an embroidery machine with a plurality of embroidery points. The two drive pins 3 and 5 are positioned at a distance from the needle plate 7 with the stitching holes 72 and project with their end regions 3 ′ and 5 ′ into the shuttle deck 9 of the shuttle guide unit 48 . The drive rod 1 is formed such that it can be moved in an oscillating manner by known drive means (not shown) according to the arrow P in a substantially vertical direction, for example at an inclination of 15° relative to the vertical.

[0027] In order to fix or stop the shuttle 11 at the desired embroidery point of the embroidery machine, the lower drive pin 5 arranged here, shown in the horizontal direction in the drawing, can be displaced according to the arrow Z and pulled away from the shuttle deck 9 (position according to Figure 2). Thereafter, the shuttle 11 i...

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Abstract

The invention relates to a method for an actuating device (21, 23) for a thread-cutting and thread-clamping device (33) at an embroidery station of a large embroidery machine, wherein the device for shutting down a shuttle is used to cut and clamp the shuttle thread (68). The invention further relates to a device for actuating a thread-cutting and thread-clamping device (33), wherein a plurality of thread-cutting and thread-clamping elements (75) can be simultaneously actuated by means of one device (46).

Description

technical field [0001] Subject matter of the invention is a method for actuating a yarn cutting and clamping device according to the preamble of claim 1 and an actuator for a device for performing said method according to claim 4 . Background technique [0002] During embroidery on an embroidery machine, every thread must be cut when changing dyes, patterns, or repeating patterns. During early embroidery on mechanical embroidery devices, this work was performed manually. However, thread cutting devices of large embroidery devices have been known for many years, which are assigned to each individual embroidery point and can be controlled by means of a program in order to cut the thread between the shuttle and the material to be embroidered. Individual or multiple selected shuttle threads. Such a yarn cutting device is known, for example, from EP 0 638 682 B1. [0003] When designing such automatic yarn cutting devices, designers are always faced with the problem of constru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D05C11/20
CPCD05C11/20
Inventor 法兰兹·拉瑟汉诺·努斯堡摩
Owner LAESSER AG
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