Suture detection device

Through the combination of the winding wheel and the encoder, the thread status is monitored in real time, which solves the problem of the sewing machine being unable to automatically detect thread exhaustion or thread breakage, realizes the automated management of the sewing machine, and improves production efficiency and the stability of thread use.

CN223445777UActive Publication Date: 2025-10-17HEBEI GRAND GARMENT CO LTD
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Patent Information

Application Number
CN202423146636.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-10-17
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing sewing machines cannot automatically detect thread exhaustion or thread breakage, resulting in the inability to detect stitch problems in time during high-speed sewing, resulting in rework.

Method used

A combination of a winding wheel and an encoder is used to monitor the thread movement data in real time. The encoder is compared with the control system to predict the thread allowance and issue a prompt, thereby detecting thread breakage or abnormality in time and realizing thread management of automated equipment.

Benefits of technology

It improves the automation level of sewing machines, ensures the stability and precision of thread use, reduces rework, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sewing thread detection device, which belongs to the field of clothing technology and production and comprises a reel, an encoder and a sewing thread, and the front side of the encoder is fixedly connected with the reel. According to the utility model, the sewing thread is wound on the winding wheel, the winding wheel transmits the motion data of the sewing thread to the encoder in real time, the encoder transmits the data to the control system, and the control system collects and processes the rotating speed frequency and the number of rotating turns of the encoder through the PLC according to the garment sewing process and compares the rotating speed frequency and the number of rotating turns with normal data; therefore, the suture allowance can be accurately predicted in the running process of the device, when the suture is about to be used up, the device can pause and send out a prompt for replacing the suture, and meanwhile, the device can detect whether the suture is broken or other abnormal conditions in time by monitoring the frequency change of the pulse signal and remind an operator. Through long-term verification of multiple types of automatic equipment, the scheme has stability and high precision, and the automation level of the sewing machine can be effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to clothing technology and production field, especially relate to a sewing thread detection device. BACKGROUND

[0002] Clothing technology and production field cover the whole manufacturing process from design to finished product, focus on improving production efficiency and product quality, it includes automatic cutting, sewing, printing and dyeing and quality control etc. link, the application of environmental protection material and the sustainable development of production process also become the important trend of the field, and it is committed to meet the needs of consumers to high quality, high efficiency, environmental protection product.

[0003] In actual implementation process, the sewing machine bottom thread in prior art is used up, the operator finds that the fabric is not completed sewing, and then finds that there is no bottom thread, or broken thread etc. if can not be automatically detected, then the automatic equipment upgrading can not be realized, the operator can not find the stitch problem in time when high speed sewing, if the sewing quality problem appears, the rethreading will cause the rework situation.

[0004] Based on this, the utility model discloses a sewing thread detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a sewing thread detection device to solve the above problems.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A sewing thread detection device, including the reel, encoder and sewing thread, the front surface of encoder and reel fixed connection, the sewing thread is wound in the reel.

[0008] As a further description of the above technical scheme:

[0009] The connection between the reel and the encoder adopts a quick dismounting structure for easy maintenance.

[0010] As a further description of the above technical scheme:

[0011] The wire slot surface of the reel has a specific friction force to prevent the sewing thread from slipping during high-speed sewing.

[0012] As a result of adopting the above technical scheme, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a sewing thread detection device, including the encoder, the winding wheel and the sewing thread, the sewing thread is wound on the winding wheel, the winding wheel is in real time with the encoder to the sewing thread movement data transmission, the encoder is with data transmission to the control system, according to the process of clothing sewing, the control system is through PLC collection and processing the rotational frequency and the rotation number of encoder, and with normal data are compared to the accurate prediction sewing thread allowance in the equipment operation process, when sewing thread is about to be used up, the equipment will pause and send the hint of replacement sewing thread, simultaneously, the equipment can through the frequency change of monitoring pulse signal, and timely detect whether sewing thread breaks or other abnormal conditions, and remind the operator, this scheme is verified through the long -term of many automatic equipment, has stability and high accuracy, can effectively promote the automation level of sewing machine. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a sewing thread detection device assembly structure schematic drawing that the utility model proposes;

[0015] Figure 2 It is a front view structure schematic drawing of a sewing thread detection device that the utility model proposes;

[0016] Figure 3 It is a winding wheel three-dimensional structure schematic drawing of a sewing thread detection device that the utility model proposes;

[0017] Figure 4 It is a side view structure schematic drawing of a sewing thread detection device that the utility model proposes;

[0018] LEGEND:

[0019] 1, encoder;2, winding wheel;3, sewing thread. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 ,

[0022] First embodiment:

[0023] The utility model provides a technical scheme: a sewing thread detection device, including winding wheel 2, encoder 1 and sewing thread 3, the front surface of encoder 1 is fixedly connected with winding wheel 2, through setting encoder 1 and winding wheel 2, the accurate cooperation between encoder 1 and winding wheel 2 makes the use process of whole sewing thread 3 get accurate record, through accurate tracking the use situation of bottom thread, can send out the alarm in time when bottom thread is about to be used up or sewing thread 3 breaks, sewing thread 3 is wound in winding wheel 2, it needs to explain, winding wheel 2 is equipped with wire slot in, and wire slot width is 2 millimeters, and bottom width is 0.4 millimeters, and slot depth is 5 millimeters, and the weight of winding wheel 2 is 4.1 grams.

[0024] Specifically, as shown in Figures 1-4 The wire slot surface of winding wheel 2 has a specific friction force that prevents sewing thread 3 from slipping during high-speed sewing.

[0025] When working, sewing thread 3 is wound around winding wheel 2 once, and winding wheel 2 transmits the movement data of sewing thread 3 to encoder 1 in real time, encoder 1 transmits the data to the control system, and according to the sequence of garment sewing, the rotation speed frequency and rotation number of encoder 1 are collected and processed by PLC, compared with a large number of normal data, the number of bottom thread turns can be accurately judged in advance during equipment operation, and the equipment is paused to alert personnel to replace the sewing machine bottom thread when the bottom thread is about to be used up. In the automatic operation of the equipment, the operator is timely alerted whether the sewing machine is broken or other abnormalities by the change of pulse frequency. Through this scheme, various modifications of automatic sewing of the sewing machine are realized. This device has been verified for a long time to be stable and reliable in accuracy.

[0026] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.

Claims

1. A suture detection device, comprising a winding wheel (2), an encoder (1) and a suture (3), characterized in that: The front side of the encoder (1) is fixedly connected to the winding wheel (2), and the suture (3) is wound around the outside of the winding wheel (2).

2. A suture detection device according to claim 1, characterized in that: The connection between the winding wheel (2) and the encoder (1) adopts a quick disassembly structure that is easy to inspect and maintain.

3. A suture detection device according to claim 1, characterized in that: The thread groove surface of the winding wheel (2) has a specific friction force that prevents the suture thread (3) from slipping during high-speed sewing.