Pocket folding device and pocket sewing machine
A folding device, sewing machine technology, applied in the direction of sewing machine components, cloth feeding mechanism, sewing equipment, etc., can solve problems such as reduced productivity, and achieve the effect of improving stability
Active Publication Date: 2017-07-07
JUKI CORP
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- Application Information
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Problems solved by technology
Since the movement of the conveying body starts after the template is returned to the retreat position, the productivity is reduced
In particular, when using the Figure 7 In the case of the smaller template 102 shown, the template 102 moves an additional distance α before the template 102 departs from the moving path of the conveying body until it reaches the retracted position. Since the conveying body starts to move after waiting for this additional movement, the productivity is improved. decrease becomes significant
Method used
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[0053] exist figure 1 The illustrated pocket sewing machine P includes: a template device having a template 2 arranged parallel to the upper surface of the workbench 1 on which an unillustrated pocket (pocket material) is placed; a folding machine 3 which Arrange it at one end in the X direction on the workbench 1, fold the pocket on the template 2 and align it with the upper surface of the main fabric (main fabric) not shown in the figure; the sewing machine main body 5 as the sewing part is arranged in the X direction At the other end, sewing is carried out in a state where pockets are overlapped on the main fabric; a conveying device (not shown) as a conveying unit has a conveying body 4 that can convey in a state where the above-mentioned main fabric and the above-mentioned pockets are overlapped, The conveying body 4 can be moved to the sewing position of the sewing machine main body 5 and the folding position of the folding machine 3 away from the sewing position in the...
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The invention provides a pocket folding device and a pocket sewing machine. In the template moving device, the travel distance of the template is recognized based on the shape of the pocket, and the timing of the movement of the conveying body is automatically controlled to greatly improve productivity by shortening the cycle time. In addition, the speed at which the template is pulled out from the pocket can be varied, the stability of the shape of the pocket can be greatly improved, and a pocket with a beautiful finished product can be sewn. The template moving device has a template (2) for placing the pocket, and a motor (13) that moves the template (2). By controlling the motor (13), the speed when the template (2) is pulled out from the pocket variable. More specifically, the speed when pulling out the template (2) from the pocket is initially set to a low speed and then switched to a high speed by the control of the motor (13).
Description
technical field [0001] The present invention relates to a pocket folding device for folding the end edge of pocket cloth along the periphery of a template, and a pocket sewing machine equipped with the pocket folding device. Background technique [0002] For example, as described in JP-A-05-103889 or JP-A-06-091476, a pocket sewing machine is known as a sewing device for sewing a pocket to a main fabric. This existing pocket sewing machine is composed of the following parts: a folding device, which folds the peripheral edge of the pocket cloth inward; and a sewing machine, which folds the pocket cloth in the state folded by the folding device to Sew on the main fabric. [0003] The folding device is on the main fabric, and the pocket cloth placed on the template (measuring board) is sandwiched by the pressing plate of the pocket folding machine, and then the folding plate driven by the air cylinder is advanced to the bottom of the template, and the pocket cloth is Fold the...
Claims
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IPC IPC(8): D05B35/06D05B35/08
Inventor 沟渊顺也
Owner JUKI CORP