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Modular detection device for sewing material thickness and sewing machine

A detection device and modular technology, applied in the field of sewing machines, can solve the problems of stuck detection components, failures, complex structures, etc., and achieve the effects of convenient disassembly and assembly, low cost, and large operating field of view.

Active Publication Date: 2020-01-10
JACK SEWING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing sewing material thickness detection device has a complex structure, high cost, and is exposed to the outside. It is inevitable that the detection element will be stuck and malfunction due to the pollution of thread wool and cloth scraps.

Method used

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  • Modular detection device for sewing material thickness and sewing machine
  • Modular detection device for sewing material thickness and sewing machine
  • Modular detection device for sewing material thickness and sewing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Such as Figures 1 to 8 As shown, the first embodiment provides the first embodiment of the sewing material thickness modular detection device of the present invention.

[0054]The sewing material thickness modular detection device in the first embodiment includes: a supporting body 1, a movable body 2 and a detection mechanism. The support body 1 and the sewing machine body are separate parts, and the support body 1 has a mounting portion 11, which is used for detachable connection with the sewing machine body, so that the support body 1 can be quickly disassembled on the sewing machine body. A closed accommodating space is formed inside the supporting body 1 . The movable body 2 is movably arranged in the accommodation space of the supporting body 1, and the accommodation space of the supporting body 1 is provided with an opening for the movable body 2 to protrude from, and one end of the movable body 2 extends out of the accommodation space of the supporting body 1 ...

Embodiment 2

[0069] Such as Figures 9 to 11 As shown, the second embodiment provides the second embodiment of the sewing material thickness modular detection device of the present invention.

[0070] Embodiment 2 is basically the same as Embodiment 1, and the similarities will not be repeated. The difference lies in that the function of the clamping fit between the stopper 16 and the upper end of the stopper groove 21 is the same as that of the stopper 3 and the presser foot. 9. The abutment of the upper surface plays the same role. Only one of the stopper 16 and the stopper 3 can reach the lowest position to which the movable body 2 can move downwards, so that the detection device can match the sewing machine as a whole. The purpose of lifting and lowering the presser foot 9 of the main body is synchronous action. Therefore, the second embodiment adopts the method that the elastic member 7 elastically presses between the lower end of the limiting groove 21 and the limiting part 16, that ...

Embodiment 3

[0075] Such as Figures 12 to 16 As shown, the third embodiment provides the third embodiment of the sewing material thickness modular detection device of the present invention.

[0076] Embodiment 3 is basically the same as Embodiment 1, and the similarities will not be repeated. The difference is that in this embodiment 3, the thickness of the sewing material changes so that the movement mode of the movable body 2 is to swing back and forth, and the movable body 2 can be relatively The supporting body 1 is provided in the accommodation space to swing back and forth. In this way, the movement of one end of the movable body 2 protruding from the accommodation space of the supporting body 1 at the opening of the accommodation space for the movable body 2 to protrude is to swing back and forth at the opening, so refer to Figure 12 , Figure 13 and Figure 16 , the opening should consider the swing range of the movable body 2, and expand the opening range appropriately along ...

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Abstract

The invention relates to the technical field of sewing machines, in particular to a modular detection device for sewing material thickness and a sewing machine comprising the same. The modular detection device for sewing material thickness comprises: a support body, wherein the support body and a sewing machine body are separate which are independent of each other, the support body is provided with a mounting part which is detachably connected with the sewing machine body, and a closed accommodating space is formed in the support body; a moving part, movably arranged in the accommodating space, wherein one end of the moving part extends out of the accommodating space and is positioned above a sewing material, and when the thickness of the sewing material changes, the moving part moves through the contact of the sewing material with the moving part; and a detection mechanism, arranged in the accommodating space and used for detecting the movement amplitude of the moving part and transmitting detection information to a control module of the sewing machine body. Both the moving part and the detection mechanism are arranged in the accommodating space of the support body to form an independent modular device, a closed integral structure is formed, the dustproof effect is good, and disassembly and assembly are convenient.

Description

technical field [0001] The invention relates to the technical field of sewing machines, in particular to a sewing material thickness modular detection device and a sewing machine comprising the sewing material thickness modular detection device. Background technique [0002] The sewing machine is equipped with a sewing material thickness detection device, which is used to identify changes in the thickness of the sewing material (such as thickening of the sewing material, thinning of the sewing material, and over-stem of the sewing material) during the sewing process, so that the control system of the sewing machine can detect the thickness of the sewing material. Adjust the sewing speed accordingly. [0003] The existing sewing material thickness detection device has complex structure, high cost, and is exposed to the outside. It is inevitable that the detection element will be stuck and malfunction due to the pollution of thread wool and cloth scraps. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D05B81/00
CPCD05B81/00
Inventor 宋国庆徐永明赵林蔚金琳
Owner JACK SEWING MASCH CO LTD
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