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A threader and threading technology, which is applied in the direction of textiles and papermaking, and can solve problems such as loosening, unstable crimping, and knotting of needles and threads

Active Publication Date: 2017-01-04
SUZHOU TRANSPARENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing thread passing devices use springs to adjust the tightness of the thread and needle thread. If the spring is used to press the thread, the uneven force on both sides of the thread will cause the thread to be unstable. During the use of the sewing machine It is easy to cause looseness in the middle, resulting in the phenomenon of needle and thread knotting, which affects the production efficiency of the sewing machine

Method used

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Embodiment Construction

[0014] The present invention is described below in conjunction with accompanying drawing.

[0015] as attached Figure 1-3 The shown thread passing device of the present invention includes a bracket 1, a table 13, a connecting plate 2, a positioning column 3, a pressing piece 4, a pressing ring block 5, a threading shaft 6 and a cylinder 8; the bracket 1 The bottom is provided with a platen 13; the bottom of the platen 13 is provided with a connecting plate 2; the platen 13 is provided with a plurality of positioning columns 3; the positioning column 3 is connected with a pressing piece 4; the pressing piece 4 A pressure ring block 5 is provided above; a threading shaft 6 is provided between the pressure ring block 5 and the pressing sheet 4; the pressing ring block 5 and the pressing sheet 4 can move along the length direction of the threading shaft 6; The threading shaft 6 is provided with a first threading hole 7; the top of the pressure ring block 5 is connected with a cy...

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PUM

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Abstract

The invention discloses a thread through device which comprises a support, a table plate, a connecting plate, a plurality of locating columns, a press sheet, a press ring block, a thread penetrating shaft and an air cylinder. The table plate is arranged at the bottom of the support. The connecting plate is arranged below the table plate. The locating columns are arranged on the table plate. The press sheet is connected to the locating columns. The pressure ring block is arranged on the press sheets. The thread penetrating shaft is arranged between the press ring block and the press sheet. Both the press ring block and the press sheet can move along the length direction of the thread penetrating shaft. A first thread penetrating hole is formed in the thread penetrating shaft. The air cylinder is connected to the press ring block and is fixed on the support. According to the wire through device, the air cylinder is used for moving the press ring block vertically, so that a needle thread is stably compressed between the press ring block and the press sheet. Due to the fact that downward pressing motion of the air cylinder is adopted, the pressure of the air cylinder is applied in a balanced and stable mode, so that the needle thread cannot be loose easily at fixing time, and the knot-tying phenomenon is prevented from occurring.

Description

technical field [0001] The invention relates to a thread passer, in particular to a thread passer used on a sewing machine. Background technique [0002] In textile equipment, the threader is very common. During the use of the needle thread of the sewing machine, the tightness of the needle thread itself should be moderate. The needle thread that is too loose is easy to be entangled and knotted, and the thread that is too tight is prone to stress. Concentration, thread breakage occurs. Therefore, in order to reduce the occurrence of the two phenomena, a thread passer is used to adjust the tightness of the yarn itself. However, most of the existing thread passing devices use springs to adjust the tightness of the thread and needle thread. If the spring is used to press the thread, the uneven force on both sides of the thread will cause the thread to be unstable. During the use of the sewing machine It is easy to produce looseness in the middle, so that the phenomenon of need...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D05B47/00
Inventor 刘航东
Owner SUZHOU TRANSPARENT TECH CO LTD