CN106676773A - Device and method for detecting thread tension of sewing machine - Google Patents
Device and method for detecting thread tension of sewing machine Download PDFInfo
- Publication number
- CN106676773A CN106676773A CN201611242363.1A CN201611242363A CN106676773A CN 106676773 A CN106676773 A CN 106676773A CN 201611242363 A CN201611242363 A CN 201611242363A CN 106676773 A CN106676773 A CN 106676773A
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- CN
- China
- Prior art keywords
- thread tension
- sensor
- sewing machine
- voltage signal
- spring leaf
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
- D05B47/04—Automatically-controlled tensioning devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of garment production automation, and particularly relates to a device and method for detecting thread tension of a sewing machine. The device comprises a box body, wherein a line-crossing groove is formed in the box body, a leaf spring is arranged on one side of the line-crossing groove or inside the line-crossing groove, and the box body on one side of the head of the leaf spring is provided with a sensor; the leaf spring generates shape change under the function of the thread tension so as to drive the head of the leaf spring to move towards the sensor and make an output voltage signal of the sensor change, and a controller gets the corresponding tension of the thread according to the output voltage signal of the sensor. According to the method and device for detecting the thread tension of the sewing machine, by acting on the leaf spring through the thread, the leaf spring generates displacement so as to make the data of the corresponding sensor change, the tension of the thread is calculated through the controller according to the data, and compared with the prior art, the accuracy of the device and method for detecting the thread tension of the sewing machine is higher; in addition, the work efficiency is improved.
Description
Technical field
The invention belongs to garment production technical field of automation, refers in particular to a kind of sewing machine thread tension detection means and detection
Method.
Background technology
When sewing machine carries out sewing work, the tension force of sewing machine suture is a key factor for affecting sewing thread trace.
Traditional mode for adjusting the thread tension on sewing machine manually adjusts wire pressing device and observes sewing effect and reaches.But
It is to have to possess certain experience using the sewer of this control method, final effect is deposited while estimating stitching
In artificial deviation, and adjust less efficient.
The content of the invention
The present invention be directed to the problems referred to above that existing technology is present, there is provided a kind of sewing machine thread tension detection means and
Detection method, the technical problem to be solved is：How to realize detecting the tension force of suture exactly.
The purpose of the present invention can be realized by following technical proposal：
One of purpose of the present invention is to provide a kind of sewing machine thread tension detection means, box body is included, in box
Crossed beam trunking is provided with body, spring leaf, the box body of the head side of spring leaf are provided with the side of crossed beam trunking or crossed beam trunking
On be provided with sensor, spring leaf produces deformation in the presence of thread tension and then drives head to move towards sensor, makes biography
The output voltage signal of sensor changes, and controller further obtains corresponding suture according to the output voltage signal of sensor
Tension force.
In a kind of above-mentioned sewing machine thread tension detection means, the sensor is photoelectric sensor, includes light
Electric emitter and photelectric receiver, the photoemitter and photelectric receiver interval setting；The head of the spring leaf is to light
Electric transducer carries out shading, and photoelectric sensor changes output voltage signal because shading amount changes, output voltage signal and suture
Tension force is corresponded, by detecting that output voltage can just obtain thread tension.
In a kind of above-mentioned sewing machine thread tension detection means, the sensor is Hall element, is set in head
Magnet is equipped with, correspondingly the offside in head is provided with Hall element, Hall element and Magnet are caused according to head displacement
The distance between change Jing and change output voltage signal, output voltage signal and thread tension are corresponded, and then are obtained
The tension force of corresponding suture.
In a kind of above-mentioned sewing machine thread tension detection means, the Hall element can be mutual with the position of Magnet
Change.
In a kind of above-mentioned sewing machine thread tension detection means, the crossed beam trunking is in " ∧ " shape, corresponding spring leaf
Also it is in " ∧ " shape.
In a kind of above-mentioned sewing machine thread tension detection means, the angle of the corner of the crossed beam trunking and spring leaf
90 ° of 180 ° of ＜ α ＜.
In a kind of above-mentioned sewing machine thread tension detection means, the spring leaf passes through screw away from one end of head
Or be weldingly fixed on box body.
In a kind of above-mentioned sewing machine thread tension detection means, one end of the box body be provided with covering crossed beam trunking,
The lid of spring leaf and sensor.
In a kind of above-mentioned sewing machine thread tension detection means, the spring leaf is metallic spring.
It is a further object to provide a kind of detection method of sewing machine thread tension, comprises the steps：
(1) pass suture through the crossed beam trunking of sewing machine thread tension adjusting means and be connected with spring leaf contact；
(2) when suture is tensioned, suture applies pressure to spring leaf, deforms upon metal flat spring, sheet metal bullet
The head of spring makes sensing data change because overall deformation is to a side shifting, output electricity of the controller according to sensor
Pressure signal obtains the tension force of corresponding suture.
Compared with prior art, the present invention has advantages below：
The present invention acts on spring leaf by suture, and spring leaf is subjected to displacement becomes the data of corresponding sensor
Change, and carried out calculating the tension force of suture according to data by controller, compare it is higher with the accuracy of prior art,
Work efficiency is also improved in addition.
Description of the drawings
Fig. 1 is the exploded perspective view of the present invention.
Fig. 2 is the schematic diagram that sensor of the invention, spring leaf are arranged on box body.
Fig. 3 is the schematic diagram of the spring leaf of the present invention.
In figure, 1, box body；2nd, crossed beam trunking；3rd, spring leaf；4th, head；5th, photoemitter；6th, photelectric receiver；7th, box
Lid.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Such as Fig. 1, the sewing machine thread tension detection of .A kind of shown in Fig. 2 and Fig. 3 means, includes box body 1, the is equipped with of sets on box body 1Crossed beam trunking 2, the spring leaf 3 of 2 or crossed beam trunking of in the side of crossed beam trunking 2, the are provided withOn be provided with sensor of 14 of spring leaf of of the side of head of the box body 3, the to move towards sensor of 3 produces deformation in the presence of thread tension and then drives head of spring leaf 4, makesThe output voltage signal of sensor changes, and controller further obtains corresponding suture according to the output voltage signal of sensorTension force.
The output voltage signal of the present invention is an analogue value.Each output voltage signal is to there is corresponding tension force
Value, such as：Output voltage signal is 1.2V, then the tension force of corresponding suture is 2N；Output voltage signal is 1.5V, and is stitched accordingly
The tension force of line is 2.5N etc..
Specifically, sensor of the present invention is photoelectric sensor, includes photoemitter 5 and photelectric receiver 6, institute
State photoemitter 5 and the interval setting of photelectric receiver 6.The head 4 of the spring leaf 3 carries out shading, light to photoelectric sensor
Electric transducer changes output voltage signal because shading amount changes, and output voltage signal is corresponded with thread tension, by inspection
Surveying output voltage signal can just obtain thread tension.
Wherein, photoemitter 5 can be infrared transmitter or LED emission plate；Correspondingly, photelectric receiver 6 is infrared
Receptor or receiver board.When using, infrared transmitter is supported the use with infrared remote receiver, and LED emission plate is supporting with receiver board to be made
With.It is of course also possible to be substituted using other photoelectric sensors, it is therefore an objective to the realization of principle can be carried out by shading.
The operation principle of the present embodiment is：
When suture is tensioned, there can be pressure to spring leaf 3, deform upon spring leaf 3.The right-hand member of spring leaf 3 is because whole
The deformation of body produces downward displacement, photoemitter 5 and the shading of photelectric receiver 6 to photoelectric sensor, shading amount it is many
Shaozheng is good related to displacement, photoelectric sensor because shading amount change and changes output voltage signal, output voltage signal with stitch
Line tension is corresponded, by detecting that output voltage signal can just obtain thread tension.
Used as another embodiment, the sensor is Hall element, head 4 is provided with Magnet, correspondingly in head 4
Offside be provided with Hall element, cause the change of the distance between Hall element and Magnet to change according to the displacement of head 4
Output voltage signal, because output voltage signal and thread tension are corresponded, and then obtain the tension force of corresponding suture.
Certainly, the Hall element can be exchanged with the position of Magnet.
The operation principle of the present embodiment is：
When suture is tensioned, there can be pressure to spring leaf 3, deform upon spring leaf 3.The right-hand member of spring leaf 3 is because whole
The deformation of body produces downward displacement, and displacement causes the change of Hall element and the distance between Magnet, and controller is according to defeated
Go out voltage and obtain corresponding thread tension.
More specifically, the crossed beam trunking 2 is in " ∧ " shape, corresponding spring leaf 3 is also in " ∧ " shape.The crossed beam trunking 2 and bullet
90 ° of 180 ° of ＜ α ＜ of angle of the corner of reed 3.Preferably, the present embodiment selects α=150 °.
The spring leaf 3 is fixed on box body 1 away from one end of head by modes such as screw or welding.
One end of box body of the present invention 1 is provided with the lid 7 for covering crossed beam trunking 2, spring leaf 3 and sensor.Lid 7
Setting can be such that suture moves along crossed beam trunking 2.Can be connected by way of grafting between lid 7 and box body 1, it is also possible to adopt
Use mode connects for screw.The structure of socket connection is as follows：Inserting column is provided with four angles of box body 1, is set in the corresponding position of lid 7
Jack is equipped with, inserting column is plugged in connection box body 1 and lid 7 in jack.
The spring leaf 3 of the present invention is metallic spring.Typically from phosphorus bronze sheet, or other sheet metals.Certainly,
Plastics spring piece is also suitable.
It is a further object to provide a kind of method of detection thread tension, comprises the steps：
(1) pass suture through the crossed beam trunking 2 of sewing machine thread tension adjusting means and be connected with the contact of spring leaf 3；
(2) when suture is tensioned, suture applies pressure to spring leaf 3, deforms upon metal flat spring 3, sheet metal
The head 4 of spring 3 makes sensor output voltage signal change because overall deformation is to a side shifting, and controller is according to biography
The output voltage signal of sensor further obtains the tension force of corresponding suture.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of sewing machine thread tension detection means, it is characterised in that：Box body is included, crossed beam trunking is provided with box body,
Spring leaf is provided with the side of crossed beam trunking or crossed beam trunking, on the box body of the head side of spring leaf sensor, bullet are provided with
Reed produces deformation in the presence of thread tension and then drives head to move towards sensor, makes the output voltage signal of sensor
Change, controller further obtains the tension force of corresponding suture according to the output voltage signal of sensor.
2. a kind of sewing machine thread tension detection means according to claim 1, it is characterised in that：The sensor is light
Electric transducer, includes photoemitter and photelectric receiver, the photoemitter and photelectric receiver interval setting；It is described
The head of spring leaf carries out shading to photoelectric sensor, and photoelectric sensor changes output voltage signal because shading amount changes, defeated
Go out voltage signal to correspond with thread tension, by detecting that output voltage can just obtain thread tension.
3. a kind of sewing machine thread tension detection means according to claim 1, it is characterised in that：The sensor is for suddenly
That sensor, in head Magnet is provided with, and correspondingly the offside in head is provided with Hall element, is caused according to head displacement
The change of the distance between Hall element and Magnet changes output voltage signal, a pair of output voltage signal and thread tension 1
Should, and then obtain the tension force of corresponding suture.
4. a kind of sewing machine thread tension detection means according to claim 5, it is characterised in that：The Hall element
Can exchange with the position of Magnet.
5. a kind of sewing machine thread tension detection means according to claim 1, it is characterised in that：The crossed beam trunking is in
" ∧ " shape, corresponding spring leaf is also in " ∧ " shape.
6. a kind of sewing machine thread tension detection means according to claim 5, it is characterised in that：The crossed beam trunking and bullet
90 ° of 180 ° of ＜ α ＜ of angle of the corner of reed.
7. a kind of sewing machine thread tension detection means according to claim 1, it is characterised in that：The spring leaf away from
One end of head is by screw or is weldingly fixed on box body.
8. a kind of sewing machine thread tension detection means according to claim 1, it is characterised in that：One end of the box body
It is provided with the lid for covering crossed beam trunking, spring leaf and sensor.
9. a kind of sewing machine thread tension detection means according to claim 1-8, it is characterised in that：The spring leaf is
Metallic spring.
10. a kind of method that sewing machine thread tension detection means using as described in claim 1-4 detects thread tension, its
It is characterised by：Comprise the steps：
(1) pass suture through the crossed beam trunking of sewing machine thread tension adjusting means and be connected with spring leaf contact；
(2) when suture is tensioned, suture applies pressure to spring leaf, deforms upon metal flat spring, metal flat spring
Head makes sensor output voltage signal change because overall deformation is to a side shifting, and controller is according to the defeated of sensor
Go out voltage signal and then obtain the tension force of corresponding suture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242363.1A CN106676773A (en) | 2016-12-29 | 2016-12-29 | Device and method for detecting thread tension of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242363.1A CN106676773A (en) | 2016-12-29 | 2016-12-29 | Device and method for detecting thread tension of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106676773A true CN106676773A (en) | 2017-05-17 |
Family
ID=58872988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611242363.1A Pending CN106676773A (en) | 2016-12-29 | 2016-12-29 | Device and method for detecting thread tension of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106676773A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604543A (en) * | 2017-09-21 | 2018-01-19 | 杰克缝纫机股份有限公司 | Stitching sewing machine condition monitoring system and sewing machine |
| CN110976229A (en) * | 2019-12-31 | 2020-04-10 | 重庆鑫仕达包装设备有限公司 | Method and device for controlling length of base material graph and text in compounding process |
| CN113337970A (en) * | 2020-02-18 | 2021-09-03 | 浙江众邦机电科技有限公司 | Thread breakage and tension detection device and detection method for sewing machine |
Citations (8)
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|---|---|---|---|---|
| JPH07662A (en) * | 1993-06-21 | 1995-01-06 | Brother Ind Ltd | Thread tension detecting device for sewing machine |
| WO2000068483A1 (en) * | 1999-05-10 | 2000-11-16 | G.M. Pfaff Aktiengesellschaft | Sewing or embroidering machine |
| CN200979472Y (en) * | 2006-09-20 | 2007-11-21 | 吴国平 | A tension sensor for chemical fiber industry |
| EP1882767A1 (en) * | 2006-07-28 | 2008-01-30 | BERNINA International AG | Device for monitoring the needle thread |
| CN103140617A (en) * | 2010-07-28 | 2013-06-05 | Nsd株式会社 | Sewing machine |
| CN104264382A (en) * | 2014-09-30 | 2015-01-07 | 浙江理工大学 | Dynamic sewing-thread tension test device and method for sewing machine |
| CN204174401U (en) * | 2014-09-30 | 2015-02-25 | 浙江理工大学 | A kind of Sewing machines suture dynamic tension testing arrangement |
| CN106192238A (en) * | 2015-02-18 | 2016-12-07 | 蛇目缝纫机工业株式会社 | Sewing machine |
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2016
- 2016-12-29 CN CN201611242363.1A patent/CN106676773A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07662A (en) * | 1993-06-21 | 1995-01-06 | Brother Ind Ltd | Thread tension detecting device for sewing machine |
| WO2000068483A1 (en) * | 1999-05-10 | 2000-11-16 | G.M. Pfaff Aktiengesellschaft | Sewing or embroidering machine |
| EP1882767A1 (en) * | 2006-07-28 | 2008-01-30 | BERNINA International AG | Device for monitoring the needle thread |
| CN200979472Y (en) * | 2006-09-20 | 2007-11-21 | 吴国平 | A tension sensor for chemical fiber industry |
| CN103140617A (en) * | 2010-07-28 | 2013-06-05 | Nsd株式会社 | Sewing machine |
| CN104264382A (en) * | 2014-09-30 | 2015-01-07 | 浙江理工大学 | Dynamic sewing-thread tension test device and method for sewing machine |
| CN204174401U (en) * | 2014-09-30 | 2015-02-25 | 浙江理工大学 | A kind of Sewing machines suture dynamic tension testing arrangement |
| CN106192238A (en) * | 2015-02-18 | 2016-12-07 | 蛇目缝纫机工业株式会社 | Sewing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604543A (en) * | 2017-09-21 | 2018-01-19 | 杰克缝纫机股份有限公司 | Stitching sewing machine condition monitoring system and sewing machine |
| CN110976229A (en) * | 2019-12-31 | 2020-04-10 | 重庆鑫仕达包装设备有限公司 | Method and device for controlling length of base material graph and text in compounding process |
| CN113337970A (en) * | 2020-02-18 | 2021-09-03 | 浙江众邦机电科技有限公司 | Thread breakage and tension detection device and detection method for sewing machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |