A kind of anti-bird's nest device for sewing machine
A sewing machine and anti-bird's nest technology, which is applied in the direction of the sewing machine control device, sewing machine components, and the mechanism for cutting the thread in the sewing machine. The effect of simple structure, avoiding normal work and reducing cost
Active Publication Date: 2021-04-13
JACK SEWING MASCH CO LTD
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Problems solved by technology
However, there are still some problems: there is a large uncertainty in the success rate of the thread sweeping rod moving the upper thread to the suction pipe, that is, the probability of successful thread sweeping is not stable enough, which leads to poor thread suction effect of the suction pipe
Method used
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[0023] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0024] Such as figure 1 , 2 Shown in and 3, this sewing machine anti-bird's nest device comprises fixed block 2, driver, suction structure and clamping thread tangent structure. The driver is a cylinder 1, and the cylinder 1 is fixedly installed on the head of the sewing machine through a fixed block 2, and the piston rod of the cylinder 1 is fixedly connected with a connecting block 4. The connecting block 4 is vertically fixedly connected with two guide shafts 3, and the fixed block 2 is provided with two guide holes matching the two guide shafts 3, and the two guide shafts 3 are inserted in the two guide holes. The suction structure and thread clamping and tangent structure are installed on the connecting block 4, and...
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The invention provides a bird's nest prevention device for a sewing machine, which belongs to the technical field of sewing machines. The invention solves the problem that the thread-sweeping rod of the existing anti-bird's nest device has a low success rate of thread-sweeping, resulting in poor thread suction effect of the suction pipe. The anti-bird's nest device of the sewing machine includes a fixed block, a driver, an air suction structure and a thread clamping and thread trimming structure. The structure is installed on the connecting block, and the driver can drive the suction structure and the thread clamping and tangent structure to move to the needle of the sewing machine or away from the needle of the sewing machine to reset. It is used to hold and cut the upper thread sucked by the suction structure. The anti-bird's nest device of the sewing machine has the advantages of high success rate of thread suction, effectively avoiding the generation of bird's nests, and low energy consumption at the same time.
Description
technical field [0001] The invention belongs to the technical field of sewing machines and relates to a bird's nest preventing device for sewing machines. Background technique [0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material to interweave or sew one or more layers of sewing material. The sewing machine can sew fabrics such as cotton, fiber crops, silk, wool, and artificial fibers, and products such as leather, plastics, and paper. The bird’s nest phenomenon refers to the situation that when the sewing machine starts sewing, the upper thread remains on the presser foot surface and the bottom thread appears at the beginning of sewing, which seriously affects the appearance of the product and the sewing quality. In order to avoid the bird’s nest phenomenon, it is usually necessary to use an anti-bird’s nest structure . [0003] There are two methods commonly used in the existing square bird's nest ...
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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IPC IPC(8): D05B65/00D05B69/08D05B69/10
Inventor 于阳韩飞
Owner JACK SEWING MASCH CO LTD