Button-sewing machine

A button sewing machine and button technology, which is applied in the field of button sewing machines, can solve the problems of not being able to effectively rely on the thread, thread winding and cutting, etc., and achieve the effect of reducing the extension and increasing the sewing speed
CN1818185BActive Publication Date: 2011-08-17JUKI CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JUKI CORP
Publication Date
2011-08-17

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Abstract

This button sewing machine is equipped with a vertically moving mechanism which drives the sewing needle (11) in the vertical direction while performing a needle swinging, a button holding mechanism (13), a fabric holding member (15) which is extended to the rear side, and folds back and holds the article (C) to be sewn, and a fabric moving mechanism (34) which moves and positions the article to be sewn. The button sewing machine is also equipped with button moving mechanisms (31, 32) which move and position a button (B), a looper (41) which forms a loop by catching a sewing thread, and a thread gathering member (42) which makes the sewing thread between the article to be sewn and the looper avoid the sewing needle which is lowered. A needle swinging limiting means (81) which performs a control for moving the button in the opposite direction from the needle swinging by the button moving mechanism so that the needle swinging may not be performed exceeding a limit amount for the needle swinging. The button sewing machine suppress a thread gathering defect.
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Description

technical field

[0001] The invention relates to a button sewing machine for positioning buttons and objects to be sewn respectively relative to machine needles. Background technique

[0002] Past button sewing machine 200, such as Figure 16 As shown, there are: a needle action mechanism (not shown) that drives the needle 201 in the up and down direction while adjusting the amount of swing in the left and right direction, and a holding mechanism (not shown) that holds the button B below the needle 201 (not shown). As shown in the figure), and the cloth holding mechanism ( not shown), and the cloth moving mechanism (not shown) that moves and positions the cloth C along the front-back direction by the cloth holding member, and moves the cloth C along the swing direction and by the cloth moving mechanism by the button holding mechanism The button moving mechanism (not shown) that moves the button B in the moving direction, the looper 202 that catches the thread T from the lowe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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