Automatic braid-cutting device and working method for sewing of overedging machine

A technology of an overlock sewing machine and a driving device, which is applied in the field of sewing, and can solve problems such as unsatisfactory use effect, high operation difficulty, and complex structure, and achieve the effects of simple structure, avoiding production stagnation, and improving sewing work efficiency

Active Publication Date: 2009-09-16
XIAN TYPICAL IND
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an automatic braid-cutting device and working method for overlock sewing

Method used

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  • Automatic braid-cutting device and working method for sewing of overedging machine
  • Automatic braid-cutting device and working method for sewing of overedging machine
  • Automatic braid-cutting device and working method for sewing of overedging machine

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with accompanying drawing:

[0033] see figure 1 , figure 2 , an automatic braid cutting device for overlock sewing machine, comprising a sewing table, a main shaft, a main shaft driving motor, an electromagnet driving device 5, a shearing mechanism 6, an inductor 4, a controller 2 and the number of needles arranged inside the controller 2 The counter 3 and the governor 1 located under the table, wherein the sensor 4 adopts a reflective photoelectric switch, is installed under the sewing table of the overlock sewing machine, and a transparent switch is embedded in the working area of ​​the sensor 4 on the sewing table The isolation board 8, the stitch count counter 3 are installed on the main shaft drive motor of the overlock sewing machine and are electrically connected to the main shaft, the governor 1 and the sensor 4 are connected to the controller 2 in parallel, and the controller 2 is connect...

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PUM

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Abstract

The invention relates to an automatic braid-cutting device and a working method for sewing of an overedging machine. The prior industrial overedging machine basically completes the process of cutting remained thread-braids by a manually cutting mode; even if an automatic braid-cutting device is arranged, the machine is not suitable to be applied in large scale because of complicated structure, difficult operation, high cost, and the like. The automatic braid-cutting device comprises a controller, an inductor, a main shaft, an electromagnetic drive device and a cutting mechanism, wherein a stitching counter is arranged inside the controller; a speed regulator is arranged below a bedplate; the stitching counter and the main shaft are in electrical connection; the speed regulator and the inductor are connected into the controller in parallel; the controller is connected with the electromagnetic drive device; and the cutting of remained thread-braids can be realized by counting delay through the stitching counter, performing protection on a sewing material by the inductor and controlling the cutting mechanism by the controller. The device has a simple structure and convenient use, and can realize mutual conversion of automatic cutting and manual cutting.

Description

technical field [0001] The invention belongs to the technical field of sewing, and in particular relates to an automatic braid cutting device for sewing an overlock sewing machine and a working method of the device. Background technique [0002] Existing industrial overlock sewing machines basically use scissors to manually cut the remaining thread braids before and after sewing products, which wastes manpower and material resources; some of them are equipped with thread trimming mechanisms, but the operators use visual inspection to determine the seams. The position of the product is used to complete the cutting, and the length of the cutting line is different; there are also a few that use the direct reflection electric eye outside the presser foot. When the locomotive rotates a certain distance, the reflection electric eye will automatically detect the sewing product and cut it. Mechanism, but sometimes due to the irregular operation of the sewing worker, it is easy to bl...

Claims

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Application Information

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IPC IPC(8): D05B65/00D05B69/00
Inventor 李亚娥张宇鹏潘小强鲁奇刚
Owner XIAN TYPICAL IND
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