CN207552641U - A kind of wire-off detection device for sewing machine and sewing machine - Google Patents
A kind of wire-off detection device for sewing machine and sewing machine Download PDFInfo
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- CN207552641U CN207552641U CN201721171230.XU CN201721171230U CN207552641U CN 207552641 U CN207552641 U CN 207552641U CN 201721171230 U CN201721171230 U CN 201721171230U CN 207552641 U CN207552641 U CN 207552641U
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- magnet steel
- sewing machine
- wire
- detection device
- sensor
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Abstract
The utility model is related to a kind of wire-off detection device for sewing machine, including bolt, wire spool, magnet steel mounting base, grooved antifriction bearing, magnet steel, sensor installation seat, sensor module and mounting bracket；The one side of magnet steel mounting base is fixedly connected with wire spool, another side mounting magnetic steel, grooved antifriction bearing is mounted in the endoporus of magnet steel mounting base, sensor module is mounted on the sensor installation seat, and the endoporus of screw bolt passes grooved antifriction bearing, the endoporus of sensor installation seat are fixedly connected with the mounting hole of mounting bracket.The utility model carries out sensing broken string by sensor module to the pole change of magnet steel, burn out detection accuracy rate is high, compact-sized, sensing is sensitive, broken string is sensed by the way of contactless, avoid the occurrence of mechanical breakdown, the inconvenience that broken string is effectively prevent to bring, the damage brought by broken string to part can also be reduced simultaneously, extend the service life of part.
Description
Technical field
The utility model is related to technical field of sewing equipment, and in particular to a kind of wire-off detection device for sewing machine.
Background technology
Sewing machine is in sewing process it is possible that the situation of broken string.Occur after breaking if operating personnel are not timely
It was found that sewing machine continues to work, then the phenomenon that will appear empty needle, but sewing is punctured by eedle, can leave pin hole, influences to stitch
The quality of appearance and product after threading.If in the case where baseline breaks, sewing machine continues to work, then baseline can be caused to wind
It at throwing cam, is difficult to clean up, influences to sew the orderly progress of work.
Existing wire-off detection device for sewing machine is roughly divided into two classes：One kind is mechanical structure formula, borrows current machine mostly
Tool deformation reaches different contacts and sends out on-off signal to detect, and there are mechanical hazard, contact break-make may be not in place because of deformation
And flase drop.It is another kind of to be detected, such as in the patent of Publication No. CN205603828U using non-contacting mode, in shuttle
Highlights and dim light area are made by printing silk-screen process on core, photoelectric detector detects strong light and becomes with whether dim light replaces
Change, so as to judge whether baseline has run out.Its problem is：It needs to make highlights and dim light area on each peg or spindle, greatly
The big cost for increasing peg or spindle making, it is this in a manner that photoelectric sensor differentiates highlights and dim light area, it is easy to by outer
The influence of boundary's ambient light, error in judgement rate is high, influences the efficiency of sewing work.
Utility model content
The purpose of this utility model is to provide a kind of wire-off detection device for sewing machine, is detected whether by way of magnetic induction
Broken string phenomenon is generated, improves detection accuracy, reduces probability of false detection.
To achieve the above object, following technical solution is provided：The utility model provides a kind of wire-off detection device for sewing machine,
Including bolt, wire spool, magnet steel mounting base, grooved antifriction bearing, magnet steel, sensor installation seat, sensor module and installation
Stent；The one side of the magnet steel mounting base is fixedly connected with wire spool, and the magnet steel, the zanjon axis of rolling are installed in another side
Hold in the endoporus mounted on magnet steel mounting base, the sensor module is mounted on the sensor installation seat, the bolt according to
Secondary endoporus across the grooved antifriction bearing, sensor installation seat endoporus be fixedly connected with the mounting hole of mounting bracket；Its
In, the magnet steel structure annular in shape is multipolarity magnet steel, replaces and has been disposed adjacent several N poles and S poles.
Preferably, the sensor module is Hall sensor, the Hall sensor for switching regulator Hall sensor or
Tongue tube.
Preferably, the outer ring of the grooved antifriction bearing is fixedly connected with the endoporus of the magnet steel mounting base.
Preferably, the bolt is threadedly coupled with the mounting hole of the mounting bracket.
Preferably, the mounting bracket is equipped with entrance hole and outlet hole.
The utility model discloses a kind of sewing machines, and including casing, above-mentioned wire-off detection device for sewing machine is mounted on institute
It states on casing.
The operation principle of the utility model is：When machine run, suture drives wire spool rotation, and magnet steel is in wire spool
Effect is lower to be rotated, i.e., magnet steel opposing sense device assembly rotates, and sensor module ceaselessly senses the variation of magnetic steel magnetic pole, sends out
On-off signal is transmitted to computerized control system.When suture outlet broken string, off-line phenomenon, wire spool no longer rotates, and magnet steel stops simultaneously
Rotation stop is moved, then sensor module sensing sends out disconnection signal, then computerized control system control motor less than the variation of magnetic steel magnetic pole
It is stopped, achievees the purpose that burn out detection.
The utility model provides a kind of having the beneficial effect that for wire-off detection device for sewing machine：The utility model passes through sensor
Component carries out the pole change of magnet steel on sensing broken string, and burn out detection accuracy rate is high, compact-sized, sensing is sensitive, is connect using non-
The mode of touch senses broken string, avoids the occurrence of mechanical breakdown, the inconvenience that broken string is effectively prevent to bring, while can also reduce because disconnected
The damage that line is brought to part extends the service life of part.
Description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structure diagram of wire-off detection device for sewing machine in the utility model；
Fig. 2 is the structure diagram of sewing machine in the utility model；
Fig. 3 is the sectional view of wire-off detection device for sewing machine in the utility model.
Fig. 4 is the structure diagram of magnet steel in the utility model；
Fig. 5 is the structure diagram of wire-off detection device for sewing machine in the utility model.
Specific embodiment
Content to make the utility model is more clear and easy to understand, below in conjunction with Figure of description, in the utility model
Appearance is described further.Certain the utility model is not limited to the specific embodiment, known to those skilled in the art
It is general replace be also covered by it is within the protection scope of the present utility model.Secondly, the utility model has been carried out in detail using schematic diagram
Statement, when the example of the utility model is described in detail, for convenience of description, schematic diagram is not partially enlarged in proportion to the general scale, should
In this, as the restriction to the utility model.
Above and other technical characteristic and advantageous effect, will in conjunction with the embodiments and attached drawing breaks to the sewing machine of the utility model
Line detector is described in detail.
As shown in Figs. 1-5, the utility model provides the utility model and provides a kind of wire-off detection device for sewing machine, including spiral shell
Bolt 1, wire spool 2, magnet steel mounting base 3, grooved antifriction bearing 4, magnet steel 5, sensor installation seat 6, sensor module 7 and installation
Stent 8.
Specifically, in the present embodiment, the one side of magnet steel mounting base 3 is fixedly connected with wire spool 2, and wire spool 2 can be embedded
In magnet steel mounting base 3, another side mounting magnetic steel 5, grooved antifriction bearing 4 is mounted in the endoporus of magnet steel mounting base 3, zanjon rolling
The outer ring of dynamic bearing 4 is fixedly connected with the endoporus of magnet steel mounting base 3, and sensor module 7 is mounted on sensor installation seat 6, spiral shell
Bolt 1 sequentially passes through the endoporus of grooved antifriction bearing 4, the endoporus of sensor installation seat 6 and the mounting hole of mounting bracket 8 and is screwed
Connection.
Be multipolarity magnet steel as shown in figure 4,5 structure annular in shape of magnet steel, alternately and be disposed adjacent several N poles with
And S poles, N poles and S poles are adjacent successively, it is notable that the present embodiment is not limited to magnetic steel magnetic pole number, can be more or less than figure
For magnetism to number of poles, radial magnetizing or axial charging are within the scope of the present invention in 4.
Sensor module 7 in the present embodiment is Hall sensor, and Hall sensor is switching regulator Hall sensor or does
Reed pipe.
Mounting bracket 8 in the present embodiment is equipped with entrance hole and outlet hole, and mounting bracket 8 is mounted on the machine of sewing machine
On shell 10, sewing thread 9 is passed through after the cable-through hole in mounting bracket 8 on wire spool 2 around a circle, then from going out in mounting bracket 8
String holes is pierced by.
The operation principle of the utility model is：When machine run, suture 9 drives wire spool 2 to rotate, and magnet steel 5 is in coiling
It is rotated under the action of disk 2, i.e. 5 opposing sense device assembly 7 of magnet steel rotates, and sensor module 7 ceaselessly senses 5 magnetic pole of magnet steel
Variation, sends out on-off signal and is transmitted to computerized control system.When 9 outlet broken string of suture, off-line phenomenon, wire spool 2 no longer rotates,
Magnet steel 5 is simultaneously stopped rotation, then sensor module 7 senses the variation less than 5 magnetic pole of magnet steel, sends out disconnection signal, then computer control
System control motor processed is stopped, and achievees the purpose that burn out detection.
The invention also discloses a kind of sewing machine, above-mentioned wire-off detection device for sewing machine is mounted on casing 10.
In conclusion the utility model carries out sensing broken string by sensor module 7 to the pole change of magnet steel 5, broken string
Detection accuracy is high, compact-sized, sensing is sensitive, and broken string is sensed by the way of contactless, avoids the occurrence of mechanical breakdown, is had
Effect prevents the inconvenience that broken string is brought, while can also reduce the damage brought by broken string to part, extends the service life of part.
Although the utility model essentially describes above example, example is intended only as to be described, and this reality
It is not limited to this with novel.It is special without departing from the essence of embodiment that those of ordinary skill in the art can make a variety of modifications and application
Property.For example, each component that embodiment is shown in detail can be changed and be run, can recognize with the modification and using relevant difference
It is to include in the scope of protection of the utility model as defined in the appended claims.
Involved embodiment, is meant that specially feature, structure or the spy described with reference to the embodiment in this specification
Property is included at least one embodiment of the utility model.These terms come across in specification everywhere are not necessarily directed to
The same embodiment.In addition, when describing a particular feature, structure, or characteristic with reference to any embodiment, all think that it falls into this field
Those of ordinary skill is combined in the range of these a particular feature, structure, or characteristics that other embodiment can be realized.
Claims (6)
1. a kind of wire-off detection device for sewing machine, which is characterized in that including bolt, wire spool, magnet steel mounting base, the zanjon axis of rolling
It holds, magnet steel, sensor installation seat, sensor module and mounting bracket；The one side of the magnet steel mounting base be fixedly connected around
The magnet steel is installed in drum, another side, and the grooved antifriction bearing is mounted in the endoporus of magnet steel mounting base, the sensor
Component is mounted on the sensor installation seat, the endoporus of grooved antifriction bearing, sensor peace described in the screw bolt passes
The endoporus of dress seat is fixedly connected with the mounting hole of mounting bracket；Wherein, magnet steel structure annular in shape is multipolarity magnet steel,
Replace and be disposed adjacent several N poles and S poles.
2. wire-off detection device for sewing machine according to claim 1, which is characterized in that the sensor module is passed for Hall
Sensor, the Hall sensor are switching regulator Hall sensor or tongue tube.
3. wire-off detection device for sewing machine according to claim 1, which is characterized in that the outer ring of the grooved antifriction bearing
It is fixedly connected with the endoporus of the magnet steel mounting base.
4. wire-off detection device for sewing machine according to claim 1, which is characterized in that the bolt and the mounting bracket
Mounting hole be threadedly coupled.
5. wire-off detection device for sewing machine according to claim 1, which is characterized in that the mounting bracket is equipped with inlet wire
Hole and outlet hole.
6. a kind of sewing machine, which is characterized in that including casing, such as claim 1-5 any one of them sewing machine burn out detection
Device is installed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171230.XU CN207552641U (en) | 2017-09-13 | 2017-09-13 | A kind of wire-off detection device for sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171230.XU CN207552641U (en) | 2017-09-13 | 2017-09-13 | A kind of wire-off detection device for sewing machine and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207552641U true CN207552641U (en) | 2018-06-29 |
Family
ID=62676242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721171230.XU Expired - Fee Related CN207552641U (en) | 2017-09-13 | 2017-09-13 | A kind of wire-off detection device for sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207552641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241526A (en) * | 2019-07-16 | 2019-09-17 | 杰克缝纫机股份有限公司 | A kind of wire breakage detector and flat seaming machine |
| CN110820187A (en) * | 2019-12-13 | 2020-02-21 | 谭英 | Intelligent full-automatic hot-melting winding machine |
| CN114606662A (en) * | 2022-03-09 | 2022-06-10 | 杰克科技股份有限公司 | Broken line detection system and method |
-
2017
- 2017-09-13 CN CN201721171230.XU patent/CN207552641U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241526A (en) * | 2019-07-16 | 2019-09-17 | 杰克缝纫机股份有限公司 | A kind of wire breakage detector and flat seaming machine |
| CN110820187A (en) * | 2019-12-13 | 2020-02-21 | 谭英 | Intelligent full-automatic hot-melting winding machine |
| CN114606662A (en) * | 2022-03-09 | 2022-06-10 | 杰克科技股份有限公司 | Broken line detection system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20190913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |