CN207244168U - A kind of peg or spindle and bobbin thread for sewing machine allowance detector - Google Patents
A kind of peg or spindle and bobbin thread for sewing machine allowance detector Download PDFInfo
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- CN207244168U CN207244168U CN201721218858.0U CN201721218858U CN207244168U CN 207244168 U CN207244168 U CN 207244168U CN 201721218858 U CN201721218858 U CN 201721218858U CN 207244168 U CN207244168 U CN 207244168U
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Abstract
The utility model provides a kind of peg or spindle and includes the bobbin thread for sewing machine allowance detector of the peg or spindle, the peg or spindle includes roll and the flange for being located at roll both ends, the outer circumferential surface of the roll is equipped with light-reflecting portion, in two flanges, at least one flange be equipped with transmittance section, the transmittance section allows extraneous light to be incident in light-reflecting portion and allow by the beam projecting that light-reflecting portion is reflected to outside.After peg or spindle in the application is used in bobbin thread for sewing machine allowance detector, in sewing machine operation process, light is incident to inside peg or spindle, detected whether that light is reflected from transmittance section again by photoelectric sensor by the transmittance section on peg or spindle, the foundation whether enough in this, as bottom line surplus is judged；In terms of existing technologies, the application can be suitable for the different bottom line of thickness, artificially remove the operating modes such as one section of bottom line, different types of peg or spindle, help to improve the bottom line surplus accuracy of detection of bobbin thread for sewing machine allowance detector.
Description
Technical field
It the utility model is related to a kind of peg or spindle.
The utility model further relates to a kind of bobbin thread for sewing machine allowance detector for including above-mentioned peg or spindle.
Background technology
Sewing machine is with one or more sewing thread, and one or more stitchings are formed on fabric, make one or more layers face
The machine that material interweaves or unites by a seam.When sewing fabric, the rotating shuttle and eedle of sewing machine cooperate with by bottom line sewing machine
Lock-stitch is interleaved with each other on fabric with upper thread, so as to form stitching.Upper thread is threaded through in the pinprick of eedle, and eedle is done
Rise, descending motion；Rotating shuttle is made of bobbin case and peg or spindle, and peg or spindle is housed in bobbin case, and bottom line is wrapped on peg or spindle.Upper thread is general
It is longer, there is 3000m-4000m, and user can observe the number of upper thread line amount at any time in sewing process, therefore face can be replaced in time
Line.But due to the limitation of sewing machine space and mechanism principle, bottom line is generally shorter, only 20m-50m, therefore in sewing process
In need to be replaced as frequently as bottom line, do not found yet if being used up when bottom line, sky can occur and step on, and then pin hole is produced on cloth,
Cause the waste of precious cloth and increase the labor intensity that worker does over again.
Thus, bobbin thread for sewing machine allowance detector is generated, it is whether insufficient for detecting bottom line surplus on peg or spindle.Mesh
Before, bobbin thread for sewing machine allowance detector is mainly had two kinds of counting mode and hop mode, the seam of counting mode by testing principle
Machine bottom line allowance detector of threading refers to the Chinese invention patent application specification of Application No. 201310278156.1, saltus step
The Chinese invention patent application that the bobbin thread for sewing machine allowance detector of mode refers to Application No. 201710282719.2 is said
Bright book；But existing bobbin thread for sewing machine allowance detector all there are it is certain the drawbacks of.
First, in the bobbin thread for sewing machine allowance detector of counting mode：1st, due to some situations, it is necessary to artificially remove part
Bottom line, then it is None- identified that the above situation is automatically controlled, automatically controlled record be still initial coiling record data, therefore final knot
Fruit will cause actual used up of bottom line and automatically controlled can not be detected, will not alarm.2nd, for different peg or spindles, it identifies accurate
Rate can not ensure 100%, and short distance sewing None- identified peg or spindle：Because peg or spindle identification is the accounting time according to low and high level
Foundation is judged, that is, the black region on peg or spindle flange surface and white area residence time reduced value；
In order to accurately identify judgement peg or spindle, during signal generation, black and the speed that white area passes through must be even on peg or spindle
Speed, and sewing machine acts the last lap that peg or spindle rotates when the first lap that peg or spindle rotates when stitching is shut down with sewing machine, its speed is simultaneously
It is non-at the uniform velocity, that several circle only among sewing process are at the uniform velocity, so peg or spindle must turn 3 circles and could identify in theory, and to expire
The length of 3 circle bobbin threads be more than 15cm under wire state, therefore when the operating mode that sew is 5cm, when 7cm, peg or spindle is with regard to nothing
Method identifies that is, enabled, the recognition accuracy of peg or spindle can not also ensure, so as to can not just guarantee to detect exactly more than bottom line
Amount.
2nd, in the bobbin thread for sewing machine allowance detector of hop mode：1st, for the different bottom line of thickness, remaining line amount without
Method is consistent：Since hop mode is using interlayer peg or spindle, when line to bottom with interlayer is skipped to, machine report after mutation is produced
It is alert, and the capacity of interlayer is certain, therefore for the line coiling amount of different thicknesses, the remaining remaining line length of bottom line of different thicknesses
Degree can not be consistent.2nd, easily produce wrong report and fail to report problem：A, because the interlayer of interlayer peg or spindle there are certain height with roll
Difference, when small roll bottom line is used up, the bottom line on interlayer is easily slid to small roll, is caused a kind of conversion relations, is kept away
Mutation has been opened, has caused to fail to report；B, for big needle distance situation because the relatively small needle gage of the line of a pin is more, therefore saltus step this
At time point, the corresponding pin number change of a circle shuttle thread is not clearly, not reach alarming value, can produce yet and fail to report, to avoid this
One situation is failed to report, and is usually solved with reduction alarming value, but can not be met in normal sewing process again after reducing alarming value
Caused by, data fluctuations and cause to report by mistake；C, in winding process, bottom line easily produced at interlayer and roll coiling it is bad,
The phenomenon of coiling confusion, and then wrong report is easily produced in use.
In conclusion bobbin thread for sewing machine allowance detector of the prior art is in actual use, bottom line surplus
The precision of detection is not still very high.
Utility model content
In view of the foregoing deficiencies of prior art, the technical problems to be solved in the utility model is to provide a kind of shuttle
Core, it helps to improve the bottom line surplus accuracy of detection of bobbin thread for sewing machine allowance detector.
To achieve the above object, the utility model provides a kind of peg or spindle, including roll and is located at the convex of roll both ends
Edge, the outer circumferential surface of the roll are equipped with light-reflecting portion, in two flanges, at least one flange be equipped with transmittance section, it is described
Transmittance section allows extraneous light to be incident in light-reflecting portion and allow by the beam projecting that light-reflecting portion is reflected to outside.
Preferably, the loophole of at least one perforation is offered on the flange, the loophole forms the transmittance section.
Preferably, the flange is made of transparent plastic, and the transmittance section is integrally formed in the flange.
Preferably, reflectorized material is provided with the outer circumferential surface of the roll, the reflectorized material forms the light-reflecting portion.
Further, the light-reflecting portion is anti-along the straight extension in direction parallel to roll central axis, the light-reflecting portion
It is mirror-reflection when penetrating light.
Further, the light-reflecting portion be in close to the recessed concave shape in the direction of roll central axis, it is described reflective
It is to be reflected diffusely or specularly during portion's reflection light.
Preferably, the light-reflecting portion for a circle, along the outer circumferential surface for being wrapped circumferentially around roll of roll.
The utility model also provides a kind of bobbin thread for sewing machine allowance detector, including rotating shuttle, the shuttle in rotating shuttle
Shell and the photoelectric sensor with transmitting terminal and receiving terminal, are provided with peg or spindle as described above, the rotating shuttle in the bobbin case
There is opening portion, the opening portion allows the transmittance section on peg or spindle to expose, the photoelectric transfer on one end or bobbin case away from bobbin case
Sensor is located at the opening portion on rotating shuttle or at the opening portion on bobbin case and is directed at opening portion.
Further, main motor, electronic control module and the alarm module of driving sewing machine operating, the photoelectric sensing are further included
Device, main motor and alarm module are all connected with electronic control module.
Further, the mounting bracket for being fixed on baseplate of sewing machine is further included, the photoelectric sensor is fixed on installation branch
Frame, and photoelectric sensor is reflective photoelectric sensor.
Preferably, the transmitting terminal is reflected to light-reflecting portion on the direction of opening portion transmitting light and peg or spindle to opening portion
All intersect with the axial direction of roll in the direction of light.
As described above, the peg or spindle and bobbin thread for sewing machine allowance detector that the utility model is related to, have below beneficial to effect
Fruit：
After peg or spindle in the application is used in bobbin thread for sewing machine allowance detector, in sewing machine operation process, photoelectricity
Light is incident to inside peg or spindle, has detected whether that light is reflected from transmittance section again by sensor by the transmittance section on peg or spindle
Come, the foundation whether enough in this, as bottom line surplus is judged；In terms of existing technologies, the application can be suitable for thickness
Different bottom line, artificially remove the operating modes such as one section of bottom line, different types of peg or spindle, helps to improve the detection of bobbin thread for sewing machine surplus
The bottom line surplus accuracy of detection of device.
Brief description of the drawings
Fig. 1 is the structure diagram of bobbin thread for sewing machine allowance detector embodiment one in the application.
Fig. 2, Fig. 4 and Fig. 6 be respectively in sewing machine rotating shuttle be in the structure diagram under different conditions.
Fig. 3, Fig. 5 and Fig. 7 are respectively the right view of Fig. 2, Fig. 4 and Fig. 6.
Fig. 8 is the scheme of installation of photoelectric sensor in Fig. 1.
Fig. 9 is the structure diagram of bobbin thread for sewing machine allowance detector embodiment two in the application.
Figure 10 is the scheme of installation of photoelectric sensor in Fig. 9.
Figure 11 is the structure diagram of peg or spindle embodiment one in the application.
Figure 12 is the sectional view along A-A of Figure 11.
Figure 13 is the structure diagram of peg or spindle embodiment two in the application.
Figure 14 is the B-B direction sectional view of Figure 13.
Figure 15 and Figure 16 is the structure diagram of peg or spindle embodiment three in the application.
Figure 17 is the C-C of Figure 16 to sectional view.
Figure 18 and Figure 19 is the structure diagram of peg or spindle example IV in the application.
Figure 20 is the flow chart of bobbin thread for sewing machine excess detection method in the application.
Component label instructions
1 rotating shuttle
11 connecting portions
12 resettlement sections
2 bobbin cases
3 photoelectric sensors
31 transmitting terminals
32 receiving terminals
4 peg or spindles
41 rolls
42 flanges
421 loopholes
43 light-reflecting portions
44 transmittance sections
45 reflective sheetings
5 opening portions
6 electronic control modules
7 mounting brackets
8 bottom plates
Embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size etc. that this specification attached drawing is painted, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, be not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influencing this practicality
Under the effect of type can be generated and the purpose that can reach, should all still fall can cover in the revealed technology contents of the utility model
In the range of.Meanwhile cited such as " on ", " under ", "left", "right", the term of " centre " in this specification, also only just
Understand in narration, and be not used to limit the enforceable scope of the utility model, its relativeness is altered or modified, in no essence
Change under technology contents, when being also considered as the enforceable category of the utility model.
In following embodiments, all directions are defined as follows：The cloth-feeding direction of sewing machine is defined as front direction, it is therefore, preceding
Rear direction is the width of sewing machine, left and right directions is the length direction of sewing machine, be also in sewing machine the axial direction of main shaft and
The axial direction of peg or spindle 4, and the direction of main shaft towards head is left direction, the direction of main shaft towards tail is right direction, above-below direction
For the short transverse of sewing machine.
The application provides a kind of bobbin thread for sewing machine allowance detector, as shown in Fig. 1 or Fig. 9, including rotating shuttle 1, is installed on
Bobbin case 2 in rotating shuttle 1, the peg or spindle 4 in bobbin case 2 and the photoelectric sensor 3 with transmitting terminal 31 and receiving terminal 32；
As is illustrated by figs. 11 and 12, the peg or spindle 4 includes the roll 41 of left and right extension and is located at the flange of 41 left and right ends of roll
42, the outer circumferential surface of the roll 41 is equipped with light-reflecting portion 43, in two flanges 42, at least one flange 42 be equipped with printing opacity
Portion 44；In left-right direction, the transmittance section 44 on left side flange 42 should be on the front-left side of light-reflecting portion 43, side flange 42
Transmittance section 44 should be located at light-reflecting portion 43 front-right side so that transmittance section 44 allow extraneous light be incident in light-reflecting portion 43, with
And allow by the beam projecting that light-reflecting portion 43 is reflected to outside.Further, in bobbin thread for sewing machine allowance detector, such as scheme
Shown in 1, there is opening portion 5 on the right side of the rotating shuttle 1 away from bobbin case 2, the opening portion 5 allows the transmittance section on peg or spindle 4
44 expose, and at this time, photoelectric sensor 3 is located at the opening portion 5 on rotating shuttle 1 and is directed at opening portion 5；Alternatively, as shown in figure 9, institute
Stating has opening portion 5 on the left side of bobbin case 2, the opening portion 5 allows the transmittance section 44 on peg or spindle 4 to expose, at this time, photoelectric transfer
Sensor 3 is located at the opening portion 5 on bobbin case 2 and is directed at opening portion 5.
More preferably, as shown in Fig. 1 or Fig. 9, the transmitting terminal 31 in the photoelectric sensor 3 launches light to opening portion 5
Axial direction of the light-reflecting portion 43 to the direction of 5 reflection light of opening portion all with roll 41 intersects on direction and peg or spindle 4, therefore launches
The direction of 43 reflection light of direction and light-reflecting portion of the transmitting of end 31 light all favours the axial direction of roll 41.The photoelectricity
Sensor 3 is reflective photoelectric sensor.Bobbin thread for sewing machine allowance detector further include driving sewing machine operating main motor,
Electronic control module 6 and alarm module, photoelectric sensor 3, main motor and the alarm module are all connected with electronic control module 6.
The application also provides a kind of bobbin thread for sewing machine excess detection method, including bobbin thread for sewing machine surplus as described above inspection
Device is surveyed, the bobbin thread for sewing machine excess detection method comprises the following steps：As shown in figure 20, step A, initiation parameter, is opened
Dynamic sewing machine, then the rotation of the driving of electronic control module 6 main motor, sewing machine start to sew.Step B, the transmitting terminal in photoelectric sensor 3
31 launch light to opening portion 5, and for sewing machine in operation process, bottom line can drive peg or spindle 4 to rotate, the transmittance section on peg or spindle 4
When exposing in the opening portion 5 on 44 opening portion 5 or bobbin case 2 from rotating shuttle 1, then light is worn from the transmittance section 44 on peg or spindle 4
Later it is irradiated to inside peg or spindle 4.It is reflective on 41 outer circumferential surface of roll if bottom line surplus is enough on the roll 41 of peg or spindle 4
Portion 43 is all blocked by bottom line, then the light penetrated from transmittance section 44 will not be reflected after being irradiated on bottom line, therefore photoelectric transfer
Receiving terminal 32 in sensor 3 does not receive light or can only receive the very weak light of luminous intensity.If on the roll 41 of peg or spindle 4
Bottom line surplus deficiency, then the light-reflecting portion 43 on 41 outer circumferential surface of roll cannot all be blocked by bottom line, it is at least part of expose,
The light then penetrated from transmittance section 44 is reflected after being irradiated in light-reflecting portion 43 and is emitted to photoelectric sensor through transmittance section 44
Receiving terminal 32 in 3, therefore the receiving terminal 32 in photoelectric sensor 3 can receive the stronger light of luminous intensity.Step C, it is automatically controlled
The feedback signal of receiving terminal 32 of the module 6 in photoelectric sensor 3 judges whether is bottom line surplus on the roll 41 of peg or spindle 4
Enough：When 32 no optical signal of receiving terminal output in photoelectric sensor 3 or there is weaker optical signal output, then electronic control module 6
Judge that bottom line surplus is enough；When the receiving terminal 32 in photoelectric sensor 3 has stronger optical signal to export, then electronic control module 6 judges
Bottom line surplus deficiency, at this time, electronic control module 6 can control main motor to stop operating, forced stoppage, and triggering alarm module sends report
It is alert, remind user to replace peg or spindle 4 in time, and then avoid forming ceases to be busy mark on cloth, cause cloth and man-hour unnecessary wave
Take.The alarm module can send alarm in a manner of audio alert, icon flicker alarm, sound-light alarm etc..
Therefore, sewing machine will be used for the peg or spindle 4 with light-reflecting portion 43 on transmittance section 44 and roll 41 on flange 42
After in bottom line allowance detector, in sewing machine operation process, light is incident to by peg or spindle by the transmittance section 44 on peg or spindle 4
Inside 4, again detected whether that light is reflected from transmittance section 44, in this, as judge bottom line surplus it is whether enough according to
According to；In terms of existing technologies, the application can be suitable for the different bottom line of thickness, artificial removal one section of bottom line, inhomogeneity
The operating modes such as the peg or spindle 4 of type, help to improve the bottom line surplus accuracy of detection of bobbin thread for sewing machine allowance detector.Preferably, institute
State and be designed with transmittance section 44 on two flanges 42 of peg or spindle 4 so that peg or spindle 4 be installed on bobbin case 2 in when just put, it is counter put can,
And then 4 position of peg or spindle can be avoided to misplace and lead to not measure.
Further, in the application, since the set-up mode of opening portion 5 is different, so that bobbin thread for sewing machine surplus
Detection device has two embodiments.
Bobbin thread for sewing machine allowance detector embodiment one, as shown in Figure 1, opening portion 5 is arranged on rotating shuttle 1；Especially,
As shown in Figures 2 to 7, the right end of rotating shuttle 1 has the connecting portion 11 for being fixed on lower axle, and the left end of rotating shuttle 1, which has, houses bobbin case 2
Resettlement section 12, the right side of resettlement section 12 are equipped with many places opening；Sewing machine is in operation process, lower axle 11 turns of rotation connection of band
It is dynamic, so that during both relative rotations of connecting portion 11 and resettlement section 12, many places opening on 12 right side of resettlement section
Do and periodically alternately change, an opening in multiple openings of 12 right side of resettlement section forms the opening portion on the rotating shuttle 1
5.Preferably, for rotating shuttle 1 at position shown in Fig. 2 and Fig. 3, position is without components such as trimming crank, connecting rod, 1 liners of rotating shuttle at this
Barrier and interference are, it can be achieved that the optimum state of bottom line surplus detection result, therefore photoelectric sensor 3 is preferably mounted at the right side of rotating shuttle 1
Rear side, as shown in Figure 8；Specifically, the bottom plate 8 in sewing machine is installed with mounting bracket 7 in the right back side of rotating shuttle 1,
The photoelectric sensor 3 is fixed on mounting bracket 7 so that photoelectric sensor 3 is directed at the opening portion 5 on rotating shuttle 1.
Bobbin thread for sewing machine allowance detector embodiment two, as shown in figure 9, opening portion 5 is arranged on the left side of bobbin case 2
On, at this time, photoelectric sensor 3 is installed on the left side of bobbin case 2, as shown in Figure 10；Specifically, the bottom plate 8 in sewing machine is in shuttle
The left side of shell 2 is installed with mounting bracket 7, and the photoelectric sensor 3 is fixed on mounting bracket 7 so that photoelectric sensor 3
With the opening portion 5 on the direction alignment bobbin case 2 of oblique lower right.
Several preferred embodiments of peg or spindle 4 exemplified below.
The embodiment one of peg or spindle 4, as is illustrated by figs. 11 and 12, all offers two and is arranged in 180 ° of intervals on two flanges 42
Cloth and the loophole 421 of left and right perforation, the formation of loophole 421 transmittance section 44；Roll 41 is cylindrical, outside roll 41
Reflectorized material is provided with side face, such as：It can paste or smear and be installed with reflectorized material, reflectorized material cladding roll 41
Outer circumferential surface, reflectorized material form light-reflecting portion 43, and reflectorized material can be reflective sheeting 45.The transmitting terminal 31 of photoelectric sensor 3 is launched
Light passed through from transmittance section 44 after can be incident on reflective sheeting 45 or other reflectorized materials and through reflective sheeting 45 or its
Light after his reflectorized material reflection reflexes to the receiving terminal 32 of photoelectric sensor 3 through transmittance section 44.Light-reflecting portion 43 along parallel to
The straight extension in direction of 41 central axis of roll, when 43 reflection light of light-reflecting portion are mirror-reflection, also, are had in light-reflecting portion 43
There are multiple minute surface portions for reflection light so that light can be emitted from loophole 421.Light-reflecting portion 43 for one circle, along around
The outer circumferential surface for being wrapped circumferentially around roll 41 of spool 41, easy to process, production.
The embodiment two of peg or spindle 4, as shown in Figure 13 and Figure 14, it is distinguished as with 4 embodiment one of peg or spindle：Light-reflecting portion 43 has
Two, the axial left and right extension along roll 41, two light-reflecting portions 43 are respectively positioned at the positive right side of loophole 421 on left side flange 42
Square side and on side flange 42 loophole 421 front-left side；In other words, loophole 421 and light-reflecting portion 43 are along left and right
Direction is oppositely arranged.
The embodiment three of peg or spindle 4, as shown in Figure 15 to Figure 17, it is distinguished as with 4 embodiment one of peg or spindle：Two flanges 42
On all offer the loophole 421 of one or so perforation, both ends are all gradual to the left and right since among it for the outside diameter of roll 41
Increase, so that the light-reflecting portion 43 for being installed in 41 periphery of roll is in recessed close to the direction of 41 central axis of roll
Concave shape, at this time, to be reflected diffusely or specularly during 43 reflection light of light-reflecting portion.Alternatively, in the outer circumferential surface of roll 41
On open up to close to the recessed groove in the direction of roll 41 central axis, light-reflecting portion 43 is fixed in a groove, can also make
Light-reflecting portion 43 is in concave shape.The light-reflecting portion 43 of concave shape can be circular arc type concave shape, tilt angie type concave shape etc..
The example IV of peg or spindle 4, as shown in Figure 18 and Figure 19, it is distinguished as with 4 embodiment one of peg or spindle：Two flanges 42
On be not provided with loophole 421, two flanges 42 are all made of transparent plastic, therefore transmittance section 44 is integrally formed in flange 42.
In four embodiments of above-mentioned peg or spindle 4, the constitutive characteristic of transmittance section 44 and the constitutive characteristic of light-reflecting portion 43 can phases
Mutually combination.
In conclusion this application involves peg or spindle 4 and the bobbin thread for sewing machine allowance detector that includes the peg or spindle 4 have
Following beneficial effect：
1st, adaptable, bottom line, the artificial operating modes such as one section of bottom line that remove for different thicknesses can meet；
2nd, it is not to judge whether bottom line surplus is insufficient by level, therefore the application need not identify peg or spindle 4, it is possible to increase
The accuracy of detection of bottom line surplus；
3rd, to the positive and negative placement no requirement (NR) of 4 coiling of peg or spindle, unwrapping wire, deviation and mistake caused by misplaced are effectively avoided；
4th, it is suitable for the new and old sewing machine of any model, is provided to the user on the premise of sewing machine normal work is not influenced
Accurate bottom line use information, ensures replacement peg or spindle 4 accurately and timely, avoids material caused by no bottom line hollow joint and man-hour
Loss；
5th, when being made of the transmittance section 44 on peg or spindle 4 loophole 421, the quality of peg or spindle 4 can be reduced, so that peg or spindle
4 rotary inertia is small, is conducive to the smooth extraction of bottom line during sewing.
So the utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (11)
1. a kind of peg or spindle, including roll (41) and the flange (42) for being located at roll (41) both ends, it is characterised in that：It is described around
The outer circumferential surface of spool (41) is equipped with light-reflecting portion (43), in two flanges (42), at least one flange (42) be equipped with printing opacity
Portion (44), the transmittance section (44) allow extraneous light to be incident in light-reflecting portion (43) and allow anti-by light-reflecting portion (43) institute
The beam projecting penetrated is to outside.
2. peg or spindle according to claim 1, it is characterised in that：The saturating of at least one perforation is offered on the flange (42)
Unthreaded hole (421), the loophole (421) form the transmittance section (44).
3. peg or spindle according to claim 1, it is characterised in that：The flange (42) is made of transparent plastic, the flange
(42) transmittance section (44) is integrally formed.
4. peg or spindle according to claim 1, it is characterised in that：Reflective material is provided with the outer circumferential surface of the roll (41)
Material, the reflectorized material form the light-reflecting portion (43).
5. the peg or spindle according to claim 1 or 4, it is characterised in that：The light-reflecting portion (43) is along parallel to roll (41)
The straight extension in direction of central axis, when light-reflecting portion (43) reflection light are mirror-reflection.
6. the peg or spindle according to claim 1 or 4, it is characterised in that：The light-reflecting portion (43) is in close to roll (41)
The recessed concave shape in the direction of central axis, to be reflected diffusely or specularly during light-reflecting portion (43) reflection light.
7. the peg or spindle according to claim 1 or 4, it is characterised in that：The light-reflecting portion (43) for a circle, along roll (41)
The outer circumferential surface for being wrapped circumferentially around roll (41).
8. a kind of bobbin thread for sewing machine allowance detector, including rotating shuttle (1), the bobbin case (2) in rotating shuttle (1) and tool
There is the photoelectric sensor (3) of transmitting terminal (31) and receiving terminal (32), it is characterised in that：Installation has the right to want in the bobbin case (2)
1-6 any one of them peg or spindle (4) is sought, the rotating shuttle (1) has opening portion on one end or bobbin case (2) away from bobbin case (2)
(5), the opening portion (5) allows the transmittance section (44) on peg or spindle (4) to expose, and the photoelectric sensor (3) is located on rotating shuttle (1)
Opening portion (5) place or opening portion (5) place on bobbin case (2) and be directed at opening portion (5).
9. bobbin thread for sewing machine allowance detector according to claim 8, it is characterised in that：Further include driving sewing machine fortune
Turn main motor, electronic control module (6) and alarm module, photoelectric sensor (3), main motor and the alarm module all with automatically controlled mould
Block (6) is connected.
10. bobbin thread for sewing machine allowance detector according to claim 8, it is characterised in that：Further include and be fixed on sewing
The mounting bracket (7) of machine bottom board (8), the photoelectric sensor (3) is fixed on mounting bracket (7), and photoelectric sensor (3) is anti-
Penetrate formula photoelectric sensor (3).
11. bobbin thread for sewing machine allowance detector according to claim 8, it is characterised in that：The transmitting terminal (31) to
Opening portion (5) transmitting light direction and peg or spindle (4) on light-reflecting portion (43) to the direction of opening portion (5) reflection light all with
The axial direction of roll (41) intersects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218858.0U CN207244168U (en) | 2017-09-21 | 2017-09-21 | A kind of peg or spindle and bobbin thread for sewing machine allowance detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218858.0U CN207244168U (en) | 2017-09-21 | 2017-09-21 | A kind of peg or spindle and bobbin thread for sewing machine allowance detector |
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| Publication Number | Publication Date |
|---|---|
| CN207244168U true CN207244168U (en) | 2018-04-17 |
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| CN201721218858.0U Active CN207244168U (en) | 2017-09-21 | 2017-09-21 | A kind of peg or spindle and bobbin thread for sewing machine allowance detector |
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| CN108754901A (en) * | 2018-05-31 | 2018-11-06 | 杰克缝纫机股份有限公司 | A kind of line hair cleaning plant at bobbin thread for sewing machine surplus detection |
| CN109487452A (en) * | 2019-01-21 | 2019-03-19 | 杰克缝纫机股份有限公司 | A kind of bobbin thread for sewing machine detection control method |
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| CN109930311A (en) * | 2019-04-26 | 2019-06-25 | 拓卡奔马机电科技有限公司 | Bobbin thread for sewing machine surplus control method and control system |
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