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Sewing machine

A sewing machine and mechanical structure technology, applied in sewing machine components, sewing equipment, sewing machine control devices, etc., can solve the problems of unsatisfactory dynamic performance, inconvenient motor control, complex mechanical structure, etc., to achieve convenient control, high switching frequency, The effect of compact space layout

Inactive Publication Date: 2015-06-10
周磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary sewing machines have certain defects. On the one hand, the mechanical structure is relatively complicated and the layout is not compact enough; on the other hand, the control of the motor is not convenient enough, and the dynamic performance is not ideal.

Method used

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Embodiment Construction

[0025] In order to better understand the technical principle and working process of the embodiments of the present invention, the present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0026] see also Figure 1-Figure 8 , shows the structure of the main mechanisms and components of the sewing machine of the present invention, and will be described in detail below.

[0027] Such as Figure 1-Figure 5 As shown, the sewing machine of the present invention includes a lead thread mechanism I, a thread take-up mechanism II, a thread hook mechanism III and a cloth feeding mechanism IV, and each mechanism shares some parts, wherein the common upper wheel 1 and the upper shaft 2 transmit power from the motor.

[0028] The wire lead mechanism 1 includes components such as an upper wheel 1, an upper shaft 2, a thread take-up cam 3, a small connecting rod 5 and a needle bar 6: the upper shaft 2 is connected to the upper wh...

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PUM

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Abstract

The embodiment of the invention discloses a sewing machine. A mechanical structure part comprises a thread leading mechanism, a thread picking mechanism, a thread hooking mechanism and a cloth feeding mechanism. The thread leading mechanism, the thread picking mechanism, the thread hooking mechanism and the cloth feeding mechanism share an upper shaft connected with an upper wheel, and the upper wheel is connected with a motor through a transmission mechanism. An electrical control part comprises a microcontroller, an intelligent power module and a motor, wherein the microcontroller, the intelligent power module and the motor are sequentially connected, the microcontroller is connected with a plurality of sensing / inputting devices to receive corresponding signals / input parameters or commands, and PWM signals are generated and output to be converted to motor driving signals through the intelligent power module, so that the motor is driven. The mechanical structure and the electrical control part are improved, and product performance can be comprehensively improved.

Description

technical field [0001] The invention relates to a sewing machine, in particular to a sewing machine. Background technique [0002] The sewing machine is mainly composed of four major mechanisms such as a lead thread mechanism, a thread take-up mechanism, a thread hook mechanism, and a cloth feeding mechanism, and another independent bobbin winding mechanism. The regular movement of the parts can make the upper thread and the lower thread twist out of the lock ring like twisting a rope, thus forming a double-thread interlocking stitch. Ordinary sewing machines have certain defects. On the one hand, the mechanical structure is relatively complicated and the layout is not compact enough; on the other hand, the control of the motor is not convenient enough, and the dynamic performance is not ideal enough. In view of the shortcomings of existing sewing machines, it is necessary to improve this. Contents of the invention [0003] In view of the defects existing in the prior ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B1/10D05B69/10D05B75/00D05B29/02
CPCD05B1/10D05B29/02D05B69/10D05B75/00
Inventor 周磊
Owner 周磊
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