CN105734848A - Method and device for detecting bobbin threads of sewing machine - Google Patents
Method and device for detecting bobbin threads of sewing machine Download PDFInfo
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- CN105734848A CN105734848A CN201610275535.9A CN201610275535A CN105734848A CN 105734848 A CN105734848 A CN 105734848A CN 201610275535 A CN201610275535 A CN 201610275535A CN 105734848 A CN105734848 A CN 105734848A
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- spindle
- peg
- bobbin
- sewing
- photoelectric sensor
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to the technical field of sewing, in particular to a method and a device for detecting bobbin threads of a sewing machine. The technical scheme includes that the device comprises a bobbin, a push plate, a cushion block, a photoelectric sensor, a clamping plate and a spindle controller, the photoelectric sensor is arranged between the cushion block and the clamping plate, the cushion block is arranged on the push plate, and the bobbin is arranged on a bobbin case, on one side of the photoelectric sensor, of the sewing machine. One lateral surface of the bobbin is alternately provided with a plurality of high light areas and low light areas, the other lateral surface of the bobbin is provided with magnetic steel, a transmitting end and a receiving end of the photoelectric sensor face the bobbin on the bobbin case and are connected to the spindle controller, and whether the bobbin threads are used up or not is detected according to a certain detection method. The method and the device for detecting the bobbin threads of the sewing machine have the advantages that using up and breaking of the bobbin threads and withdrawal of a needle without threads can be detected out timely and accurately, an operator can be timely reminded of bobbin replacement or machine maintenance for clearing abnormity, and formation of idle stitches only with needle threads but without the bobbin threads is avoided.
Description
Technical field
The present invention relates to stitching process field, be specifically related to a kind of bobbin thread for sewing machine detecting device and detection method thereof.
Background technology
Current clothing manufacturing uses lock stitch sewing machine in a large number, and it is that one is coordinated so that bottom line and upper thread are interlocked in sewing from rotating shuttle with eedle, it is achieved the sewing device of lock-type chain stitch.Upper thread is in sewing upper surface, and operator are visible, and upper thread is longer, and generally up to several kms, replacement frequency is relatively low, and when there is the situations such as upper thread broken string or upper thread exhaust, operator can find in time.And bottom line is quite different, it is in below sewing in rotating shuttle, and operator are invisible, and the peg or spindle wire containing laying bottom line is little, and only tens meters, replacement frequency is significantly high.When occurring bottom line to exhaust, bottom line breaking, withdrawal of needle does not hook the accidents such as bottom line, if operator can not find in time, can be formed on sewing one section only upper thread and without the ceases to be busy mark of bottom line, not only affect production efficiency but also affect product quality, also can cause the waste of upper thread simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of bobbin thread for sewing machine detecting device and detection method thereof, it can detect that bottom line exhausts, bottom line breaks or withdrawal of needle does not hook the phenomenons such as line timely and accurately, operator can be reminded in time to change peg or spindle or eliminating of overhauling machine is abnormal, it is to avoid formed on sewing one section only upper thread and without the ceases to be busy mark of bottom line.
For solving prior art Problems existing, the technical scheme is that a kind of bobbin thread for sewing machine detecting device, it is characterized in that: include peg or spindle, push pedal, cushion block, photoelectric sensor, clamping plate and spindle controller, described photoelectric sensor is arranged between cushion block and clamping plate, described cushion block is arranged and in push pedal, peg or spindle is arranged on the side bobbin case of sewing machine of photoelectric sensor, the one side of peg or spindle alternates and is provided with several high lights and goes and low light level district, another side is provided with magnet steel, the transmitting terminal of described photoelectric sensor is rectified the peg or spindle on bobbin case with receiving, and it is connected to spindle controller.
Described high light goes to be respectively arranged with 3 with low light level district.
Described photoelectric sensor is Hall element.
The model of described spindle controller is YSC-8360.
The detection method of a kind of bobbin thread for sewing machine detecting device is: when sewing, in bottom line consumption process, peg or spindle rotates, the electricity frequency signal that height differs is produced when photoelectric sensor detects the highlights on peg or spindle with low light level district, the pin counter then controlling system does not count, when photoelectric detector detects that high light and the low light level do not occur alternately, control system starts to remember the pin number of sewing machine, a pin of often sewing controls the enumerator of system and automatically adds one, until sensor is also not detected by the alternate of strong and weak light when the enumerator controlling system increases to preset value, now judge that bottom line has been used up, control system can force to stop sewing, and flicker reminds operator to change peg or spindle on the display controlling system, after peg or spindle is changed, unlock and can continue sewing.
nullThe another kind of detection method of a kind of bobbin thread for sewing machine detecting device is: when sewing,Operative employee is by the learning model inside control system,The number of turns that precognition peg or spindle turns over around full bottom line in advance，A fixing value is set according to number of turns operative employee,When starting to sew,Set the high light signal on photoelectric sensor identification peg or spindle or low light signals as useful signal,Peg or spindle per revolution photoelectric sensor will detect the number of times of signal intensity,The enumerator simultaneously controlling system starts counting up,The change of signal each time,Control system counter and all can subtract one,When the enumerator controlling system changes to 0 from the value set,Control system thinks that now bottom line has been used up,Control system can force to stop sewing，And flicker reminds operator to change peg or spindle on the display controlling system，After peg or spindle is changed，Unlock and can continue sewing.
Compared with prior art, advantages of the present invention is as follows:
1, the present invention can detect that bottom line exhausts, bottom line breaks or withdrawal of needle does not hook line timely and accurately, remind operator to change peg or spindle in time or eliminating of overhauling machine is abnormal, avoid being formed on sewing one section only upper thread and without the ceases to be busy mark of bottom line, reduce upper thread waste, improve sewed product quality and work efficiency.
2, low cost of manufacture of the present invention, can reequip, great popularization on existing industrial sewing machines.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the peg or spindle structural representation of the present invention；
Fig. 3 is the peg or spindle structural representation of the present invention；
Fig. 4 is detection method flow chart；
Fig. 5 is another kind detection method flow chart of the present invention；
Fig. 6 is peg or spindle signal frequency figure of the present invention；
Fig. 7 is the assembling design sketch of the present invention；
Accompanying drawing labelling: 1-peg or spindle, 2-highlights, 3-low light level district, 4-magnet steel, 5-push pedal, 6-cushion block, 7-photoelectric sensor, 8-clamping plate, 9 spindle controllers.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated:
Referring to Fig. 1 Fig. 3, Fig. 7: a kind of bobbin thread for sewing machine detecting device, including peg or spindle 1, push pedal 5, cushion block 6, photoelectric sensor 7, clamping plate 8 and spindle controller 9, described photoelectric sensor 7 is arranged between cushion block 6 and clamping plate 8, described cushion block 6 is arranged and in push pedal 5, peg or spindle 1 is arranged on the side bobbin case of sewing machine of photoelectric sensor, the one side of peg or spindle 1 alternates and is provided with several high lights and goes to 2 and low light level district 3, another side is provided with magnet steel 4, the transmitting terminal of described photoelectric sensor 7 is rectified the peg or spindle 1 on bobbin case with receiving, and it is connected to spindle controller 9；Described high light go 2 and low light level district 3 be respectively arranged with 3 (referring to Fig. 2), described photoelectric sensor 7 is Hall element, and the model of described spindle controller 9 is YSC-8360.
Highlights and low light level district on peg or spindle of the present invention realize by printing screen printing.
nullReferring to Fig. 4: the detection method of a kind of bobbin thread for sewing machine detecting device is: when sewing，In bottom line consumption process, peg or spindle 1 rotates，Electricity frequency signal (referring to Fig. 6) that height differs is produced when photoelectric sensor detects the highlights on peg or spindle 1 with low light level district，The pin counter then controlling system does not count，When photoelectric detector detects that high light and the low light level do not occur alternately,Control system starts to remember the pin number of sewing machine,A pin of often sewing controls the enumerator of system and automatically adds one，(present invention so arranges and avoids the problem temporarily ceasing sewing that sewing machine causes due to other reasons，Automatically recover sewing after a while) until control the enumerator of system when increasing to preset value sensor be also not detected by the alternate of strong and weak light,Now judge that bottom line has been used up,Control system can force to stop sewing，And flicker reminds operator to change peg or spindle on the display controlling system，After peg or spindle is changed，Unlock and can continue sewing.
nullReferring to Fig. 5: the another kind of detection method of a kind of bobbin thread for sewing machine detecting device is: when sewing,Operative employee is by the learning model inside control system,The number of turns that precognition peg or spindle turns over around full bottom line in advance，A fixing value is set according to number of turns operative employee,When starting to sew,Set the high light signal on photoelectric sensor identification peg or spindle or low light signals as useful signal,Peg or spindle per revolution photoelectric sensor will detect the number of times of signal intensity,The enumerator simultaneously controlling system starts counting up,The change of signal each time,Control system counter and all can subtract one,When the enumerator controlling system changes to 0 from the value set,Control system thinks that now bottom line has been used up,Control system can force to stop sewing，And flicker reminds operator to change peg or spindle on the display controlling system，After peg or spindle is changed，Unlock and can continue sewing.
Above-mentioned case study on implementation only specifically understands the principle and process that adopt photoelectric sensor detection bottom line, and the enforcement of Hall element is equal to this process, also should belong to the category that this patent of invention contains.
Claims (6)
1. a bobbin thread for sewing machine detecting device, it is characterized in that: include peg or spindle (1), push pedal (5), cushion block (6), photoelectric sensor (7), clamping plate (8) and spindle controller (9), described photoelectric sensor (7) is arranged between cushion block (6) and clamping plate (8), described cushion block (6) is arranged and in push pedal (5), peg or spindle (1) is arranged on the side bobbin case of sewing machine of photoelectric sensor, the one side of peg or spindle (1) alternates and is provided with several high lights and goes to (2) and low light level district (3), another side is provided with magnet steel (4), the transmitting terminal of described photoelectric sensor (7) is rectified the peg or spindle (1) on bobbin case with receiving, and it is connected to spindle controller (9).
2. a kind of bobbin thread for sewing machine detecting device according to claim 1, it is characterised in that: described high light goes to (2) and low light level district (3) to be respectively arranged with 3.
3. a kind of bobbin thread for sewing machine detecting device according to claim 1 and 2, it is characterised in that: described photoelectric sensor (7) is Hall element.
4. a kind of bobbin thread for sewing machine detecting device according to claim 3, it is characterised in that: the model of described spindle controller (9) is YSC-8360.
null5. the detection method of a kind of bobbin thread for sewing machine detecting device according to claim 1，It is characterized in that: described detection method is: when sewing，In bottom line consumption process, peg or spindle (1) rotates，The electricity frequency signal that height differs is produced when photoelectric sensor detects the highlights on peg or spindle (1) with low light level district，The pin counter then controlling system does not count，When photoelectric detector detects that high light and the low light level do not occur alternately,Control system starts to remember the pin number of sewing machine,A pin of often sewing controls the enumerator of system and automatically adds one，Until sensor is also not detected by the alternate of strong and weak light when the enumerator controlling system increases to preset value,Now judge that bottom line has been used up,Control system can force to stop sewing，And flicker reminds operator to change peg or spindle on the display controlling system，After peg or spindle is changed，Unlock and can continue sewing.
null6. the detection method of a kind of bobbin thread for sewing machine detecting device according to claim 1，It is characterized in that: described another kind of detection method is: when sewing,Operative employee is by the learning model inside control system,The number of turns that precognition peg or spindle turns over around full bottom line in advance，A fixing value is set according to number of turns operative employee,When starting to sew,Set the high light signal on photoelectric sensor identification peg or spindle or low light signals as useful signal,Peg or spindle per revolution photoelectric sensor will detect the number of times of signal intensity,The enumerator simultaneously controlling system starts counting up,The change of signal each time,Control system counter and all can subtract one,When the enumerator controlling system changes to 0 from the value set,Control system thinks that now bottom line has been used up,Control system can force to stop sewing，And flicker reminds operator to change peg or spindle on the display controlling system，After peg or spindle is changed，Unlock and can continue sewing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610275535.9A CN105734848A (en) | 2016-04-29 | 2016-04-29 | Method and device for detecting bobbin threads of sewing machine |
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| CN201610275535.9A CN105734848A (en) | 2016-04-29 | 2016-04-29 | Method and device for detecting bobbin threads of sewing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970505A (en) * | 2016-07-16 | 2016-09-28 | 杰克缝纫机股份有限公司 | Method and device for controlling residual thread length of bobbin of sewing machine |
| CN106199067A (en) * | 2016-07-09 | 2016-12-07 | 杰克缝纫机股份有限公司 | A kind of peg or spindle of measuring rotates and the device and method of rotation direction |
| CN106757566A (en) * | 2017-01-11 | 2017-05-31 | 江苏凯宫机械股份有限公司 | Cotton lap pressure adjusting means |
| CN107044008A (en) * | 2017-04-25 | 2017-08-15 | 杰克缝纫机股份有限公司 | The detection control apparatus and detection method of a kind of sewing machine shuttle peg |
| CN107151872A (en) * | 2017-05-31 | 2017-09-12 | 杰克缝纫机股份有限公司 | A kind of sewing machine shuttle peg detection identifying device and method |
| CN107287780A (en) * | 2017-08-14 | 2017-10-24 | 标准缝纫机菀坪机械有限公司 | The bobbin thread detection device and its detection method of a kind of vertical rotating shuttle of sewing machine |
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| CN103741393A (en) * | 2013-12-27 | 2014-04-23 | 蔡金财 | Base line allowance detection device for lock stitch sewing machine and detection method thereof |
| CN105420946A (en) * | 2015-12-23 | 2016-03-23 | 拓卡奔马机电科技有限公司 | Method used for detecting remaining quantity of cop latch base lines of sewing machine |
| CN205603828U (en) * | 2016-04-29 | 2016-09-28 | 西安标准工业股份有限公司 | Sewing machine bottom line detection device |
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Patent Citations (5)
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| CN203333986U (en) * | 2013-06-28 | 2013-12-11 | 方益华 | Bottom line detecting mechanism of sewing machine |
| CN103498302A (en) * | 2013-09-26 | 2014-01-08 | 胡贤郎 | Sewing machine bottom line early warning device and early warning method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199067A (en) * | 2016-07-09 | 2016-12-07 | 杰克缝纫机股份有限公司 | A kind of peg or spindle of measuring rotates and the device and method of rotation direction |
| CN105970505A (en) * | 2016-07-16 | 2016-09-28 | 杰克缝纫机股份有限公司 | Method and device for controlling residual thread length of bobbin of sewing machine |
| CN106757566A (en) * | 2017-01-11 | 2017-05-31 | 江苏凯宫机械股份有限公司 | Cotton lap pressure adjusting means |
| CN107044008A (en) * | 2017-04-25 | 2017-08-15 | 杰克缝纫机股份有限公司 | The detection control apparatus and detection method of a kind of sewing machine shuttle peg |
| CN107151872A (en) * | 2017-05-31 | 2017-09-12 | 杰克缝纫机股份有限公司 | A kind of sewing machine shuttle peg detection identifying device and method |
| CN107287780A (en) * | 2017-08-14 | 2017-10-24 | 标准缝纫机菀坪机械有限公司 | The bobbin thread detection device and its detection method of a kind of vertical rotating shuttle of sewing machine |
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Application publication date: 20160706 |