CN107829230B - Thread cutting method and system for industrial sewing machine - Google Patents
Thread cutting method and system for industrial sewing machine Download PDFInfo
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- CN107829230B CN107829230B CN201711251373.6A CN201711251373A CN107829230B CN 107829230 B CN107829230 B CN 107829230B CN 201711251373 A CN201711251373 A CN 201711251373A CN 107829230 B CN107829230 B CN 107829230B
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- charging
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- thread
- fusing
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
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Abstract
The invention provides a thread cutting method and system for an industrial sewing machine, wherein the system comprises the following steps: a charge and discharge element for storing and discharging electric energy; the fusing element is heated by releasing electric energy through the charging and discharging element and is used for fusing a sewing thread of the sewing machine; the control module is used for controlling the fusing element to fuse the sewing thread when the fusing element reaches a preset temperature; the control module includes: a control unit; the sewing machine electric quantity detection device comprises a temperature detection unit, a driving unit, an electric quantity detection unit and a charging unit, wherein the charging unit acquires redundant energy generated by a sewing machine motor driver during braking and charges the charging and discharging element through the redundant energy. The invention cuts thread by using a fusing mode, avoids the problem of overlong thread hair, reduces bird nests and the reject ratio of thread cutting, fully utilizes the energy generated by a sewing machine motor, reduces the use of brake resistance, reduces the loss of factory electricity and improves the utilization rate of energy.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to the field of intelligent control of sewing machines, and specifically relates to a thread trimming method and system for an industrial sewing machine.
Copyright declaration
The disclosure of this patent document contains material which is subject to copyright protection. The copyright is owned by the copyright owner. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the patent and trademark office official records and records.
Background
Industrial sewing machines including flat sewing, cup seaming, flat seaming, special machines, etc. require the use of a thread cutting function. Firstly, the method comprises the following steps: most thread cutting systems of sewing machines in the current market still use electromagnetic valves or electromagnets and the like to drive mechanical systems to cut threads. The thread trimming method is easy to cause overlong thread hairs, and finally causes a large bird nest in the sewing process. Secondly, the method comprises the following steps: in order to deal with sudden braking of the motor, a plurality of sewing machines on the market consume the energy of the motor in a mode of adding a brake resistor, so that the electric energy of a factory is not fully utilized, and certain waste is generated.
Disclosure of Invention
To solve the above and other potential technical problems, an embodiment of the present invention provides a thread trimming system for an industrial sewing machine, including: a charge and discharge element for storing and discharging electric energy; the fusing element is heated by releasing electric energy through the charging and discharging element and is used for fusing a sewing thread of the sewing machine; and the control module is used for controlling the fusing element to fuse the sewing thread when the fusing element reaches a preset temperature.
In an embodiment of the present invention, the control module includes: a control unit; the temperature detection unit is respectively connected with the control unit and the fusing element and is used for detecting the temperature of the fusing element and transmitting the detected temperature to the control unit; and the driving unit is respectively connected with the control unit and the fusing element and is used for driving the fusing element to fuse the sewing thread when receiving a thread cutting instruction sent by the control unit.
In an embodiment of the invention, the driving unit includes any one of a driving circuit, a MOS transistor, a relay, or an IGBT.
In an embodiment of the present invention, the control module further includes: the electric quantity detection unit is respectively connected with the control unit and the charge and discharge element and is used for detecting the electric quantity of the charge and discharge element and transmitting the detected electric quantity to the control unit; and the charging unit is respectively connected with the control unit and the charging and discharging element and is used for charging the charging and discharging element when receiving a charging instruction sent by the control unit.
In an embodiment of the invention, the charging unit is connected to a motor driver of the sewing machine, and is configured to obtain excess energy generated by the motor driver during braking and charge the charging/discharging element through the excess energy.
In an embodiment of the invention, the charging unit obtains charging electric energy from the control module, and charges the charging/discharging element by the charging electric energy.
In an embodiment of the present invention, the thread trimming system for an industrial sewing machine further includes: the communication module is used for communicating the driving unit with a sewing machine control unit, and the driving unit receives the thread cutting instruction from the sewing machine control unit.
In an embodiment of the invention, the charge/discharge element is a super capacitor, an electrolytic capacitor, or a rechargeable lithium battery.
Embodiments of the present invention also provide a thread trimming method for an industrial sewing machine, including: a fuse element is heated by using a charge-discharge element to release electric energy; and controlling the fusing element to fuse a sewing thread of the sewing machine when the fusing element reaches a preset temperature.
In an embodiment of the present invention, the thread trimming method for an industrial sewing machine further includes: acquiring redundant energy generated by a sewing machine motor driver during braking, and charging the charging and discharging element through the redundant energy.
As described above, the thread trimming method and system for an industrial sewing machine of the present invention have the following advantageous effects:
1. the invention cuts the thread by using a fusing mode, avoids the problem of overlong thread hairs, reduces the occurrence of bird nests and reduces the reject ratio of thread cutting.
2. The invention fully utilizes the energy generated by the sewing machine motor, reduces the use of the brake resistor, reduces the loss of factory electricity and improves the utilization rate of the energy.
3. The invention has high universality, can replace a mechanism for mechanically cutting threads in the market of the current industrial sewing machine, has simple mechanical structure and high practicability, and has higher application value and market prospect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of the thread trimming method for an industrial sewing machine according to the present invention.
Fig. 2 is a schematic block diagram of a thread trimming system for an industrial sewing machine according to the present invention.
Fig. 3 shows a detailed schematic block diagram of the thread trimming system for an industrial sewing machine according to the present invention.
Description of the element reference numerals
100 thread trimming system for industrial sewing machine
110 control module
111 control unit
112 temperature detection unit
113 drive unit
114 electric quantity detecting unit
115 charging unit
120 charging and discharging element
130 fuse element
140 communication module
200 sewing machine motor driver
Step S110 to step S120
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The present embodiment aims to provide a thread trimming method and system for an industrial sewing machine, which uses a super capacitor to perform thread trimming by fusing, and avoids the phenomena of long thread ends in the thread trimming process and too large bird nests in the sewing process. The principles and embodiments of the thread trimming method and system for industrial sewing machines according to the present invention will be described in detail below, so that those skilled in the art can understand the thread trimming method and system for industrial sewing machines without creative efforts.
As shown in fig. 1, an embodiment of the present invention also provides a thread trimming method for an industrial sewing machine, including:
in step S110, a fuse element is heated by using a charge/discharge element to release electric energy.
The charging and discharging element is, but not limited to, a super capacitor, an electrolytic capacitor, a rechargeable lithium battery or the like.
And step S120, controlling the fusing element to fuse the sewing thread of the sewing machine when the fusing element reaches a preset temperature.
Wherein the fusing element is a fusing blade.
By utilizing the characteristics of super-strong large-current discharge capacity, high energy conversion efficiency, small process loss, high large-current energy circulation efficiency and the like of charge and discharge elements such as a super capacitor and the like, the high-current quick heating fusing knife releases large current in the moment of wire shearing, and the fusing knife achieving the preset temperature fuses cotton, hemp, silk, wool, artificial fibers and the like at high temperature, so that the wire shearing purpose is achieved.
In this embodiment, the thread trimming method for an industrial sewing machine further includes: acquiring redundant energy generated by a sewing machine motor driver during braking, and charging the charging and discharging element through the redundant energy.
For example, by utilizing the characteristic that the super capacitor can gather energy, the energy generated by a motor driver of the sewing machine can be temporarily stored in the super capacitor to store energy for next thread cutting, so that the waste of electric energy of a factory is avoided, and the purpose of energy conservation is realized.
In order to implement the above-mentioned thread trimming method for an industrial sewing machine, as shown in fig. 2, the present embodiment correspondingly provides a thread trimming system 100 for an industrial sewing machine, where the thread trimming system 100 for an industrial sewing machine includes: a control module 110, a charge and discharge element 120, and a fuse element 130.
In the present embodiment, the charge/discharge element 120 is used for storing and releasing electric energy; the fusing element 130 for fusing a sewing thread of the sewing machine by being heated by the discharging of the electric energy from the charging and discharging element 120; the control module 110 is configured to control the fusing element 130 to fuse the sewing thread when the fusing element 130 reaches a preset temperature.
In the present embodiment, the charging/discharging element 120 is, but not limited to, a super capacitor, an electrolytic capacitor, or a rechargeable lithium battery; the fuse element 130 is, but not limited to, a fuse blade.
By utilizing the characteristics of super-strong large-current discharge capacity, high energy conversion efficiency, small process loss, high large-current energy circulation efficiency and the like of the super capacitor, the fusing knife releases large current to rapidly heat the fusing knife in the wire shearing moment, and the fusing knife reaching the preset temperature fuses cotton, hemp, silk, wool, artificial fibers and other wires at high temperature to achieve the wire shearing purpose. The fusing mode is used, the problem of overlong hair is avoided, bird nests are reduced, and the reject ratio of wire shearing is reduced.
In this embodiment, the charging/discharging element 120 is a super capacitor, and the fusing element 130 is a fusing blade.
Specifically, as shown in fig. 3, the control module 110 includes: a control unit 111, a temperature detection unit 112, a driving unit 113, an electric quantity detection unit 114, and a charging unit 115.
In this embodiment, the control unit 111 is, for example, a control element such as an MCU single chip. The main functions of the control unit 111 are: the controller communicates with the sewing machine controller, detects the power capacity of the charging and discharging element 120, detects and controls the temperature of the fusing blade, controls the switch of the driving unit 113, and controls the charging unit 115 for charging the charging and discharging element 120.
In this embodiment, the temperature detecting unit 112 is respectively connected to the control unit 111 and the fusing element 130, and is configured to detect the temperature of the fusing element 130 and transmit the detected temperature to the control unit 111.
The temperature detecting unit 112 detects the temperature of the fusing blade so as to ensure the temperature of the fusing blade by controlling the driving unit 113.
The temperature detecting unit 112 may employ a temperature detecting circuit composed of a temperature sensor, for example, and will not be described in detail herein.
In this embodiment, the driving unit 113 is respectively connected to the control unit 111 and the fusing element 130, and is configured to drive the fusing element 130 to fuse the sewing thread when receiving a thread trimming command sent by the control unit 111.
The main functions of the driving unit 113 are: when a trimming instruction is given, the driving circuit is controlled to be opened, the super capacitor heats the fusing knife, and after the trimming action is finished, the driving circuit is closed.
In the present embodiment, the driving unit 113 is not limited to the driving circuit, and may be any one of a MOS transistor, a relay, and an IGBT.
In this embodiment, the power detecting unit 114 is respectively connected to the control unit 111 and the charging and discharging element 120, and is configured to detect the power of the charging and discharging element 120 and transmit the detected power to the control unit 111.
The charge detecting unit 114 is mainly used to ensure a full charge state in the charging/discharging element 120, for example, to ensure the capacity of the super capacitor is in the full charge state.
The power detection unit 114 may be, for example, a power detection circuit composed of a power detection chip, which is not described in detail herein.
In this embodiment, as shown in fig. 3, the thread trimming system 100 for an industrial sewing machine further includes: the communication module 140 is configured to communicate the control module 110, the driving unit 113 and the sewing machine control unit 111, and the driving unit 113 receives the thread trimming instruction from the sewing machine control unit 111, where the communication level mode may be RS232, RS485, and the like. The sewing machine control unit 111 is configured to receive a signal from a main controller of the sewing machine, control the sewing machine, and send a command to the sewing machine.
In this embodiment, the charging unit 115 is respectively connected to the control unit 111 and the charging and discharging element 120, and is configured to charge the charging and discharging element 120 when receiving a charging instruction sent by the control unit 111.
In this embodiment, the charging unit 115 includes two parts: the sewing machine driver charges the charge and discharge element 120 and controls the module 110 to charge the charge and discharge element 120.
The charging unit 115 may adopt a charging circuit, for example, and will not be described in detail herein.
In one embodiment, the charging unit 115 is connected to the sewing machine motor driver 200, and is configured to obtain excess energy generated by the motor driver during braking and charge the charging/discharging element 120 with the excess energy.
The sewing machine motor driver 200 is to the charging of charge-discharge element 120, and its main effect is to replace the brake resistance, when motor driver carries out emergency braking, produces unnecessary energy and can directly give charge-discharge element 120, make full use of sewing machine's energy, avoid the waste of industrial power consumption and the damage of brake resistance, reduce the use of brake resistance, reduced the loss to the mill electricity, improve the utilization ratio of energy.
In another embodiment, the charging unit 115 obtains charging power from the control module 110, and charges the charging/discharging element 120 with the charging power. When the charging of the charging and discharging element 120 by the sewing machine motor driver 200 is insufficient, the charging and discharging element 120 can be charged by the control module 110, so that the charging and discharging element 120 is ensured to be in a full charge state all the time.
For example, by using the characteristic that the super capacitor can accumulate energy, the energy generated by the sewing machine motor driver 200 can be temporarily stored in the super capacitor through the charging unit 115 to store energy for next thread cutting, thereby avoiding the waste of electric energy of a factory and achieving the purpose of energy saving.
The thread cutting system is controlled by a single chip microcomputer (a control unit 111), when a main controller of the sewing machine sends a thread cutting instruction, a driving circuit is switched on, a super capacitor quickly heats the fusing knife to a preset temperature, and the thread cutting instruction is executed. And when the reduction of the capacity of the super capacitor is detected, the super capacitor is charged in time.
In conclusion, the invention uses the fusing mode to cut the wires, thereby avoiding the problem of overlong wire hairs, reducing bird nests and the reject ratio of wire cutting; the invention fully utilizes the energy generated by the sewing machine motor, reduces the use of brake resistance, reduces the loss of factory electricity and improves the utilization rate of energy; the invention has high universality, can replace a mechanism for mechanically cutting threads in the market of the current industrial sewing machine, has simple mechanical structure and high practicability, and has higher application value and market prospect. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (6)
1. A thread trimming system for an industrial sewing machine, comprising:
a charge and discharge element for storing and discharging electric energy;
the fusing element is heated by releasing electric energy through the charging and discharging element and is used for fusing a sewing thread of the sewing machine;
the control module is used for controlling the fusing element to fuse the sewing thread when the fusing element reaches a preset temperature;
the control module includes:
the electric quantity detection unit is connected with the control unit and the charge and discharge element and is used for detecting the electric quantity of the charge and discharge element and transmitting the detected electric quantity to the control unit;
the charging unit is respectively connected with the control unit and the charging and discharging element and is used for charging the charging and discharging element when receiving a charging instruction sent by the control unit;
the charging unit is connected with a motor driver of the sewing machine and used for acquiring redundant energy generated by the motor driver during braking and charging the charging and discharging element through the redundant energy;
the charging unit obtains charging electric energy from the control module, and the charging and discharging element is charged through the charging electric energy.
2. The thread trimming system for industrial sewing machines of claim 1, wherein the control module comprises:
a control unit;
the temperature detection unit is respectively connected with the control unit and the fusing element and is used for detecting the temperature of the fusing element and transmitting the detected temperature to the control unit;
and the driving unit is respectively connected with the control unit and the fusing element and is used for driving the fusing element to fuse the sewing thread when receiving a thread cutting instruction sent by the control unit.
3. The thread trimming system for industrial sewing machines of claim 2, wherein the driving unit comprises any one of a driving circuit, a MOS transistor, a relay, or an IGBT.
4. The thread trimming system for industrial sewing machines of claim 2, further comprising:
the communication module is used for communicating the driving unit with a sewing machine control unit, and the driving unit receives the thread cutting instruction from the sewing machine control unit.
5. The thread trimming system for industrial sewing machines of claim 1, wherein the charge and discharge element is a super capacitor, an electrolytic capacitor or a rechargeable lithium battery.
6. A thread trimming method for an industrial sewing machine, characterized in that the thread trimming method for an industrial sewing machine comprises:
a fuse element is heated by using a charge-discharge element to release electric energy; acquiring redundant energy generated by a sewing machine motor driver during braking and charging the charging and discharging element through the redundant energy;
and controlling the fusing element to fuse a sewing thread of the sewing machine when the fusing element reaches a preset temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251373.6A CN107829230B (en) | 2017-12-01 | 2017-12-01 | Thread cutting method and system for industrial sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711251373.6A CN107829230B (en) | 2017-12-01 | 2017-12-01 | Thread cutting method and system for industrial sewing machine |
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| Publication Number | Publication Date |
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| CN107829230A CN107829230A (en) | 2018-03-23 |
| CN107829230B true CN107829230B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711251373.6A Active CN107829230B (en) | 2017-12-01 | 2017-12-01 | Thread cutting method and system for industrial sewing machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064226B (en) * | 2020-10-15 | 2021-11-02 | 惠州市金长辉智能科技有限公司 | Utilize semiconductor to realize intelligent wrist-watch watchband suturing device of end of a thread |
| CN112481849A (en) * | 2020-12-10 | 2021-03-12 | 高林 | Clothing manufacturing is with auxiliary assembly who irones from automatic sintering according to sewing progress |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145729A (en) * | 1965-05-08 | 1969-03-19 | Union Special Maschinenfab | Improvements in severing devices for the threads of lock stitch sewing machines |
| CN1749463A (en) * | 2004-09-13 | 2006-03-22 | 重机公司 | Thread cutter of sewing machine |
| CN202849772U (en) * | 2012-09-18 | 2013-04-03 | 西安工程大学 | Sewing machine for recycling vibration energy |
| CN103173949A (en) * | 2011-12-22 | 2013-06-26 | 陕西银星科技有限公司 | Electric magnet driving system used for industrial sewing machine |
| CN206219789U (en) * | 2016-08-17 | 2017-06-06 | 杭州敦和科技有限公司 | A kind of sewing machine of automatic hot melt cutting facility |
-
2017
- 2017-12-01 CN CN201711251373.6A patent/CN107829230B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145729A (en) * | 1965-05-08 | 1969-03-19 | Union Special Maschinenfab | Improvements in severing devices for the threads of lock stitch sewing machines |
| CN1749463A (en) * | 2004-09-13 | 2006-03-22 | 重机公司 | Thread cutter of sewing machine |
| CN103173949A (en) * | 2011-12-22 | 2013-06-26 | 陕西银星科技有限公司 | Electric magnet driving system used for industrial sewing machine |
| CN202849772U (en) * | 2012-09-18 | 2013-04-03 | 西安工程大学 | Sewing machine for recycling vibration energy |
| CN206219789U (en) * | 2016-08-17 | 2017-06-06 | 杭州敦和科技有限公司 | A kind of sewing machine of automatic hot melt cutting facility |
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| CN107829230A (en) | 2018-03-23 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |