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Thread quantity self-adaptive thread hooking device of embroidery machine

An adaptive, embroidery machine technology, applied to the mechanism of embroidery machines, embroidery machines, textiles and papermaking, etc., can solve problems such as insufficient optimization, and achieve the effect of knot tightening and stability, quality improvement, and good self-adaptive process

Pending Publication Date: 2020-12-11
浙江镨美科智能刺绣设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this existing design, the upper thread trimming operation is controlled by controlling the movement of the embroidery material frame. Although the ability to control the consistency of the length has been improved, the length of the thread end after thread trimming and the collection of thread knots cannot be controlled. The control of tightness and thread trimming quality is not optimized enough

Method used

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  • Thread quantity self-adaptive thread hooking device of embroidery machine
  • Thread quantity self-adaptive thread hooking device of embroidery machine
  • Thread quantity self-adaptive thread hooking device of embroidery machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1, such as Figure 1-7As shown, an adaptive thread-drawing device for an embroidery machine includes a support base plate 1, a thread-drawing knife g installed on the support base plate 1, and a lower thread-drawing knife g for driving the thread-drawing knife g to move back and forth. The shift fork x and the lower shift fork drive assembly used to drive the lower shift fork x to swing back and forth between the front and rear, the base part of the whole device of the bracket base plate 1 is used to carry and install various parts, of course, the bracket base plate 1 itself It also needs to be installed on the support structure in the head of the embroidery machine, so some installation holes also need to be opened. This is a conventional structure, which will not be described in detail here. In addition, after the support base plate 1 is installed on the embroidery machine, it is usually preferably forward. It is advisable that the lower part is in an inclined...

Embodiment 2

[0051] Embodiment 2, with reference to Embodiment 1 for the drawings, is a further improvement on Embodiment 1. The upper shift fork z is fixed with a stop on the front side of the intermediate transition shift fork y and can be against the intermediate transition The front limit part of the shift fork y.

[0052] The front limiting part is integrally connected to the upper shift fork z with a downwardly extending front baffle z1 and is located in front of the abutting portion of the intermediate transition fork y.

[0053] The limit on the front side reduces the middle transition fork y is affected by the upper thread during the adjustment process, and only the lower drive torsion spring t2 on the lower side can be adjusted alone to ensure the effectiveness of the structure.

Embodiment 3

[0054] Embodiment 3, with reference to Embodiment 1 for the drawings, is a further improvement on Embodiments 1 and 2. The intermediate transition fork y is fixed with a limit on the rear side of the lower shift fork x and can be against the The rear limit part of the lower shift fork x.

[0055] The rear limiting part of the lower shift fork x makes it easier for the lower shift fork x to be pushed forward to realize the forward movement of the hook knife. The normal use of other thread hooking devices, because as long as the lower shift fork x is locked or the middle transition fork y is directly locked, the middle transition fork y can be fixed, so that the upper shift fork z can follow other thread hooking devices. Rotate, but the structure below the intermediate transition shift fork y in this hooking device just can't move.

[0056] Two specific structural styles are recommended in this embodiment:

[0057] In the first type, the rear limiting part is integrally connec...

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Abstract

The invention relates to the technical field of embroidery machine equipment, in particular to a thread quantity self-adaptive thread hooking device of an embroidery machine. The device comprises a bracket base plate, a thread hooking knife arranged on the bracket base plate, a lower shifting fork used for driving the thread hooking knife to move back and forth, and a lower shifting fork driving assembly used for driving the lower shifting fork to swing back and forth between front and back. The lower shifting fork is arranged on a positioning shaft installed on the bracket base plate in a sleeving manner. The lower shifting fork driving assembly comprises a middle transition shifting fork arranged on the positioning shaft in a sleeving manner, an upper shifting fork used for driving the middle transition shifting fork to swing back and forth between front and back and arranged on the positioning shaft in a sleeving manner, an upper driving torsion spring arranged between the upper shifting fork and the middle transition shifting fork, and a lower driving torsion spring arranged between the middle transition shifting fork and the lower shifting fork, so that the thread hooking action is more optimized, and the thread shearing effect is better.

Description

technical field [0001] The invention relates to the technical field of embroidery machine equipment, in particular to a thread amount self-adaptive hooking device of an embroidery machine. Background technique [0002] There are many types of embroidery machines, but most of them need to be equipped with corresponding hooking devices, because when the embroidery finishes one graphic unit, it needs to embroider another graphic unit or when changing colors, it needs to adjust the surface under the embroidery material. The thread and bobbin thread are trimmed. In the thread trimming process, mechanical structures such as the hook knife and the hooking rod device for driving the hook knife are needed. That is to say, the thread hooking device is needed to hook the thread to complete the thread trimming process. [0003] For example, the Chinese patent application number 02239633.0 discloses a multi-head computerized embroidery machine collective thread hooking mechanism, each se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05C11/08D05C11/20
CPCD05C11/08D05C11/20
Inventor 陈天龙方狄永吴帆
Owner 浙江镨美科智能刺绣设备有限公司
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