A device and sewing machine for realizing multi-function driving by a single motor
A multi-functional, single-motor technology, which is applied to sewing machine components, sewing machine control devices, sewing machine thread cutting mechanisms, etc., can solve problems such as high cost, large space occupation, and complicated parts, and achieve simplified structure and improved work efficiency. Efficiency and optimization of installation space
Active Publication Date: 2022-07-26
ZHEJIANG HMC
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Problems solved by technology
It can be seen from the above that the reverse stitching device and the thread trimming device of this patent are driven by two independent stepping motors (reverse stitching stepping motor and thread trimming stepping motor), which have the advantages of high cost, large space occupation and complicated parts. and other defects
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[0023] The present invention will be further described below with specific embodiments, referring to figure 1 -4:
[0024] One of the objectives of the present invention is to provide a device for realizing multi-function driving by a single motor, including a casing 1, a reverse sewing mechanism and a thread trimming mechanism, wherein the reverse sewing mechanism and the thread trimming mechanism are all existing technologies. No detailed description is given in the embodiment. A drive motor 2 is provided on the casing 1 , and the drive motor 2 may be a stepper motor or a servo motor, and a stepper motor is preferred in this embodiment. The rotating shaft 3 of the drive motor 2 is connected to the swing seat 4 of the reverse seam mechanism through the reverse seam drive assembly, and then drives the swing seat 4 to swing to realize the switch of the reverse seam. The swing seat 4 is also connected by the thread trimmer drive assembly and the thread trimmer mechanism The cu...
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The invention belongs to the technical field of sewing equipment, and particularly relates to a device for realizing multi-function driving by a single motor and a sewing machine; the invention includes a casing, a reverse sewing mechanism and a thread trimming mechanism. The reverse sewing drive assembly is connected with the swing seat of the reverse sewing mechanism to drive the swing seat to swing to realize the switch of reverse sewing. The swing seat is also connected to the cutter shaft of the thread trimming mechanism through the thread trimming drive assembly. After the distance, the drive motor continues to rotate to drive the swing seat to continue to rotate, and the thread trimmer drive assembly drives the thread trimmer mechanism to act to realize thread trimming, and the action of the drive motor is controlled by the control box; the present invention realizes reverse sewing, Various sewing functions such as lifting the presser foot and trimming the thread, simplify the structure, optimize the installation space in the casing, and reduce the manufacturing cost.
Description
Technical field: [0001] The invention belongs to the technical field of sewing equipment, and particularly relates to a device and a sewing machine for realizing multi-function driving by a single motor. Background technique: [0002] At present, with the advancement of technology, the realization of various functions on sewing machines tends to be automated, such as the use of motors, electromagnets, air cylinders or oil cylinders to realize automatic reverse sewing function, automatic thread trimming function and so on. [0003] For example, a sewing machine controlled by three stepping motors disclosed in a Chinese utility model patent (announcement number CN 210975093 U, announcement date 2020.7.10) includes a reverse sewing device, a presser foot device and a thread trimming device. The sewing device has a stepper motor for backstitching, the presser foot device has a stepper motor for presser foot, the thread trimming device has a stepper motor for thread trimming, and...
Claims
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IPC IPC(8): D05B69/10D05B65/00D05B29/02D05B47/04D05B69/18
CPCD05B69/10D05B65/00D05B29/02D05B47/04D05B69/18
Inventor 朱义潜徐欣
Owner ZHEJIANG HMC