An automatic edge-aligning device and a sewing machine
A sewing machine, automatic technology, applied in sewing machine components, sewing machine control devices, sewing equipment and other directions, can solve the problems of complex transmission mechanism, high manufacturing cost, low transmission efficiency, etc. Efficient effect
Active Publication Date: 2019-08-27
JACK SEWING MASCH CO LTD
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Problems solved by technology
However, since the lower roller 3 and the upper roller 7 are rotatable, the transmission mechanism for driving the lower roller 3 and the upper roller 7 is very complicated, so the transmission efficiency is low, the manufacturing cost is high, and the reliability is high. Low
Method used
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Embodiment Construction
[0050] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0051] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. within the range covered by the technical content. At the same time, terms such as "upper", ...
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The invention provides an automatic edge setting device and a sewing machine. The automatic edge setting device comprises an upper press foot and a lower press foot, which move reciprocally in a straight line in a direction perpendicular to the feeding direction of the sewing machine, a sewing material holding space is formed between the upper press foot and the lower press foot, the sewing material holding space is used for placing the upper layer sewing material and the lower layer sewing material in a up-and-down stack, an upper press material in contact with the upper layer sewing material is arranged on the lower end of the upper press foot, a lower press material in contact with the lower layer sewing material is arranged on the upper end of the lower press foot. The linear movements of the upper press foot and the lower press foot drive the upper layer sewing material and the lower layer sewing material to move, compared with the drive movements of sewing material by the roller rolling structure in the prior art, the conveying structure is even simpler, the conveying efficiency is even higher, thereby the edge setting effects of the double layer sewing materials are increased, and the sewing quality is increased.
Description
technical field [0001] The invention relates to a sewing device, in particular to an automatic edge alignment device and a sewing machine. Background technique [0002] When the sewing machine sews the upper and lower layered double-layer sewing materials, due to the inconsistency of the feeding position and the edge shape of the upper and lower layers of sewing materials, it is necessary to align the edges of the upper and lower layers of sewing materials before sewing or during the sewing process. Creates a facing device installed in a sewing machine. [0003] At present, the mechanism transmission parts of the edge-to-edge device in the sewing machine are relatively complicated. For example, in a kind of up and down feeding sewing machine disclosed in the Chinese invention patent with the application number of 201010230868.2, the rotatable lower side roller 3 and the rotatable upper side The rollers 7 drive the sewing material to move back and forth in the direction orth...
Claims
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IPC IPC(8): D05B35/00D05B29/06D05B69/10D05B35/12
Inventor 王波管建平潘建国黄明学
Owner JACK SEWING MASCH CO LTD