Motor structure of direct-drive flat bed sewing machine
A motor structure and lockstitch sewing machine technology, applied in the field of sewing machines, can solve problems such as power loss and limited efficiency, and achieve the effects of easy processing of parts, cost saving of parts, and simple structure
Inactive Publication Date: 2010-11-17
JACK SEWING MASCH CO LTD
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Problems solved by technology
However, such a transmission mode is limited by the efficiency of the belt drive, and the loss of power is very large, and because the development of the sewing machine requires accurate positioning, more and more driving modes are applied to the sewing machine. Transmission Efficiency of Direct Drive Sewing Machine Motor Structure
Method used
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[0008] refer to figure 1 , figure 2 , design a positioning plane on the main shaft 2 of the lockstitch sewing machine 1, fix the motor rotor 6 on the main shaft 2 with the rotor fixing screw 5, and then use four fixing screws 7 to fix the motor end cover 3 on the threaded hole on the end surface of the sewing machine 1 Then put the motor stator 4 into the motor end cover 3, wrap the motor stator 4 in it, and then fix the hand wheel 8 on the motor rotor 6 with the hand wheel fixing screw 9 to realize the connection with the sewing machine main shaft 2.
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The invention belongs to the technology of sewing machines, in particular designs a motor structure of a direct-drive flat bed sewing machine, and can improve the power transmission efficiency and reduce the energy loss in the transmission process. The motor structure is characterized by arranging a motor rotor 6 fixed to a main shaft 2, wherein a positioning plane is arranged on the main shaft 2 of the flat bed sewing machine 1; the motor rotor 6 is fixed on the main shaft 2 with a rotor fixing screw 5; a motor end cover 3 is fixed on a threaded hole on the end face of the sewing machine 1 with four fixing screws 7; a motor stator 4 is arranged in the motor end cover 3 and is wrapped by the motor end cover 3; and a handwheel 8 is fixed on the motor rotor 6 with a handwheel fixing screw 9 and is connected with the main shaft 2 of the sewing machine.
Description
Technical field: [0001] The invention belongs to the sewing machine technology, and in particular designs a motor structure that can directly drive the movement of a lockstitch sewing machine. Background technique: [0002] Traditional sewing machines can be divided into human-driven and power-driven according to the driving mode. When sewing machines first appeared, most of them were driven by human power. With the continuous development of social productivity, this human-driven way Due to the low production efficiency, it can no longer meet the needs of social production, and the emergence of electric motors provides a reliable basis for the conversion of sewing machines from human-powered to power-driven. The drive of modern industrial sewing machines is mostly powered by electric motors, and then the power is transmitted to the sewing machine through a belt drive to realize the movement of the sewing machine. However, such a transmission mode is limited by the efficienc...
Claims
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IPC IPC(8): H02K7/14
Inventor 邱卫明洪志敏
Owner JACK SEWING MASCH CO LTD
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