CN110144678A - Bobbin thread for sewing machine detection device - Google Patents
Bobbin thread for sewing machine detection device Download PDFInfo
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- CN110144678A CN110144678A CN201910497303.1A CN201910497303A CN110144678A CN 110144678 A CN110144678 A CN 110144678A CN 201910497303 A CN201910497303 A CN 201910497303A CN 110144678 A CN110144678 A CN 110144678A
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- Prior art keywords
- rotating shuttle
- peg
- spindle
- reflective surface
- sewing machine
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
- D05B59/02—Devices for determining or indicating the length of thread still on the bobbin
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to technical field of sewing machines, more particularly to a kind of bobbin thread for sewing machine detection device, including peg or spindle, accommodate the bobbin case of peg or spindle, it is coated at the rotating shuttle of bobbin case and the sensor with transmitter and receiver, peg or spindle includes wrapping post and the shoulder block set on wrapping post both ends, peg or spindle is equipped at least one light transmission passage, light transmission passage includes the light tank and loophole being respectively arranged on two shoulder blocks, the corresponding baseline surplus in light tank position is setting baseline surplus, the corresponding baseline surplus in loophole position is not less than setting baseline surplus, the medial surface of bobbin case or the medial surface of rotating shuttle are equipped with reflective surface, peg or spindle is between reflective surface and sensor, and light tank is opposite with reflective surface, the signal of transmitter transmitting can reach reflective surface by light transmission passage, and receiver is back to by light transmission passage after reflective surface reflects.Controllable baseline length in reserve guarantees that baseline surplus is sufficient, avoids wiring.
Description
Technical field
The present invention relates to technical field of sewing machines more particularly to a kind of bobbin thread for sewing machine detection devices.
Background technique
Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread
The machine that material interweaves or unites by a seam.Clothes manufacturing largely uses lock stitch sewing machine at present, it is one kind by rotating shuttle
Cooperate with eedle so that baseline and upper thread interlocking realize the sewing device of lock-type chain stitch in sewing.Upper thread is through the needle of eedle
In eye, eedle does up and down campaign；The peg or spindle of rotating shuttle is housed in bobbin case, and baseline is wrapped on peg or spindle.Upper thread is in seam
Above material and longer, general up to several kms, replacement frequency is low, and operator can observe by the naked eye whether upper thread needs more
It changes.Baseline is in the rotating shuttle below sewing, and operator's naked eyes can not be observed, and the peg or spindle wire containing for placing baseline is little,
General only tens meters, for big peg or spindle up to 100 meters or so, replacement frequency is very high.Therefore operator must often observe baseline is
It is no exhaust, situations such as whether baseline breaks.If finding not in time, meeting hollow joint on sewing, or even prick bad sewing and cause to scrap, and
And also need to install additional baseline again and mend needle, it had not only influenced sewing quality but also had reduced production efficiency.
Publication No. CN103334241A application for a patent for invention discloses a kind of use in sewing machine baseline monitoring device, the seam
The machine of threading includes bottom plate, and the rotating shuttle being mounted on the bottom plate, and the rotating shuttle includes bobbin case and peg or spindle, the coiling of the peg or spindle
Column is housed in bobbin case completely, and the wrapping post of the peg or spindle is equipped with reflective surface, opens up a loophole on the side wall of the bobbin case；
One photoelectric sensor is installed, the photoelectric sensor is located at the outside of the bobbin case, the photoelectric sensor on the bottom plate
It is made of receiver and transmitter, the receiver and transmitter are against the loophole.Use in sewing machine baseline monitoring dress
The working principle set is, when baseline runs low, the reflective surface on shuttle peg winding column can reveal gradually, to make receiver
The signal received changes, and judges whether baseline is finished with this.The use in sewing machine baseline monitoring device not can control bottom
Line length in reserve, since peg or spindle is when winding baseline, baseline is unevenly distributed on shuttle peg winding column, when in use due to baseline
It is each different to exhaust the case where leaking out reflective surface, therefore different peg or spindles are different when detecting baseline surplus, are unable to control bottom
Line length in reserve, also, when detecting baseline deficiency, base line length may not enough cover a linear slit, result in the need for into
Row wiring.
Summary of the invention
The technical problem to be solved in the present invention is to provide the bobbin thread for sewing machine detections that one kind can control baseline length in reserve
Device, to overcome the drawbacks described above of the prior art.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of bobbin thread for sewing machine detection device, packet
It includes peg or spindle, the bobbin case for accommodating peg or spindle, be coated at the rotating shuttle of bobbin case and the sensor with transmitter and receiver, peg or spindle include
Wrapping post and shoulder block set on wrapping post both ends, peg or spindle are equipped at least one light transmission passage, and light transmission passage includes being respectively arranged on two
Light tank and loophole on a shoulder block, the corresponding baseline surplus in light tank position are setting baseline surplus, loophole institute
In position, corresponding baseline surplus is not less than setting baseline surplus, and the medial surface of bobbin case or the medial surface of rotating shuttle are equipped with reflective
Face, peg or spindle is between reflective surface and sensor, and light tank is opposite with reflective surface, and the signal of transmitter transmitting can be by saturating
Optical channel reaches reflective surface, and is back to receiver by light transmission passage after reflective surface reflects.
Preferably, reflective surface is set to the medial surface of bobbin case, and sensor is located on the outside of rotating shuttle, and rotating shuttle is equipped with to be emitted for transmitter
The rotating shuttle through-hole that passes through of signal.
Preferably, reflective surface is set to the medial surface of rotating shuttle, and sensor is located on the outside of bobbin case, and bobbin case is equipped with to be emitted for transmitter
The bobbin case notch that passes through of signal.
Preferably, rotating shuttle includes the rotating shuttle frame for being coated at bobbin case and the rotation shuttle seat for being coated at rotating shuttle frame, and reflective surface is set to rotation
The medial surface of shuttle frame.
Preferably, rotating shuttle includes the rotating shuttle frame for being coated at bobbin case and the rotation shuttle seat for being coated at rotating shuttle frame, and reflective surface is set to rotation
The medial surface of shuttle seat, rotating shuttle are provided with the rotating shuttle frame through-hole passed through for the signal of transmitter transmitting.
Preferably, light tank is in the arc-shaped concentric with wrapping post.
Preferably, at least one light tank and at least one loophole, a shoulder block are respectively provided on two shoulder blocks of peg or spindle
On loophole and another shoulder block on light tank constitute light transmission passage correspondingly.
Compared with prior art, the present invention has significant progress:
Bobbin thread for sewing machine detection device of the invention corresponds to the design of setting baseline surplus, Ke Yida by light tank
To the purpose of control baseline length in reserve, guarantee sewing machine when receiving the insufficient feedback signal of baseline, on peg or spindle also there are
Enough baseline surpluses can make sewing machine at least complete the suture currently sewed, so that sewing machine will not be because of nothing in seam
Baseline and shut down, to avoid wiring.By changing setting position of the light tank on peg or spindle shoulder block, it is adapted to different set
Baseline surplus is determined, to meet various sewing requirements.
Detailed description of the invention
Fig. 1 is the longitudinal profile of the first embodiment of bobbin thread for sewing machine detection device of the invention.
Fig. 2 is the separate structure schematic diagram of the first embodiment of bobbin thread for sewing machine detection device of the invention.
Fig. 3 is the structural schematic diagram of bobbin case in the first embodiment of bobbin thread for sewing machine detection device of the invention.
Fig. 4 is in the first embodiment of bobbin thread for sewing machine detection device of the invention, work signal when baseline abundance
Figure.
Fig. 5 is in the first embodiment of bobbin thread for sewing machine detection device of the invention, and baseline surplus reaches setting baseline
Operation schematic diagram when surplus.
Fig. 6 is the longitudinal profile of second of embodiment of bobbin thread for sewing machine detection device of the invention.
Fig. 7 is the separate structure schematic diagram of second of embodiment of bobbin thread for sewing machine detection device of the invention.
Fig. 8 is the structural schematic diagram of rotating shuttle frame in second of embodiment of bobbin thread for sewing machine detection device of the invention.
Fig. 9 is the structural schematic diagram of rotation shuttle seat in the third embodiment of bobbin thread for sewing machine detection device of the invention.
Figure 10 is the structural schematic diagram of the first embodiment of peg or spindle of the invention.
Figure 11 is the structural schematic diagram of second of embodiment of peg or spindle of the invention.
Figure 12 is the structural schematic diagram of the third embodiment of peg or spindle of the invention.
Wherein, the reference numerals are as follows:
1, peg or spindle 10, light transmission passage
11, wrapping post 12, shoulder block
13, light tank 14, loophole
2, bobbin case 21, bobbin case notch
3, sensor 4, rotating shuttle frame
41, rotating shuttle frame through-hole 5, rotation shuttle seat
51, rotating shuttle block hole 6, reflective surface
7, baseline
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.These embodiments are only used for
Illustrate the present invention, and not limitation of the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In order to make sewing machine in sewing, is not shut down among suture because there is no baseline, that is, avoid wiring, need to increase
The length in reserve of shuttle peg base line must have enough that is, when receiving shuttle peg base line insufficient signal on shuttle peg winding column
Baseline surplus, which needs that sewing machine can be made to complete the currently suture sewed, then stops sewing again and prompt
User's baseline has been used up.For this purpose, the present invention provides a kind of bobbin thread for sewing machine detection device, can be on peg or spindle
Baseline surplus detects that baseline is insufficient and exports feedback signal when reaching setting baseline surplus, the setting baseline surplus is basis
The baseline surplus that can at least complete when front suture of practical sewing technology setting, is achieved in control baseline length in reserve, makes
It is sufficient to obtain baseline length in reserve.
As shown in Figures 1 to 12, a kind of embodiment of bobbin thread for sewing machine detection device of the invention.The sewing of the present embodiment
Machine bobbin thread detection device includes peg or spindle 1, bobbin case 2, rotating shuttle and sensor 3.Wherein, peg or spindle 1 including wrapping post 11 and is set to coiling
The shoulder block 12 at 11 both ends of column, wrapping post 11 are cylinder, and shoulder block 12 is circle, and shoulder block 12 and wrapping post 11 are coaxially disposed, baseline 7
It is wrapped on wrapping post 11 and is located between two shoulder blocks 12.Bobbin case 2 accommodates peg or spindle 1.Rotating shuttle is coated at bobbin case 2, and rotating shuttle with
Bobbin case 2 is oppositely arranged, and rotating shuttle includes rotating shuttle frame 4 and rotation shuttle seat 5, and rotating shuttle frame 4 is coated at bobbin case 2, and rotation shuttle seat 5 is coated at rotating shuttle frame
4.Sensor 3 can be set on the bottom plate of sewing machine, and sensor 3 has transmitter and receiver, and transmitter is for emitting letter
Number, for receiver for receiving signal, the signal can be light.
Peg or spindle 1 is equipped at least one light transmission passage 10, and light transmission passage 10 is logical for the signal of the transmitter transmitting of sensor 3
It crosses.Light transmission passage 10 includes the light tank 13 and loophole 14 being respectively arranged on two shoulder blocks 12, and the signal of transmitter transmitting can
By light tank 13 and loophole 14, that is, to pass through the light transmission passage 10 along the direction of perforation light tank 13 and loophole 14.
The corresponding baseline surplus in 13 position of light tank is setting baseline surplus, and the corresponding baseline surplus in 14 position of loophole is not
Less than setting baseline surplus.The medial surface of bobbin case 2 is equipped with reflective surface 6 or the medial surface of rotating shuttle is equipped with reflective surface 6.Shuttle
Core 1 is between reflective surface 6 and sensor 3, also, the light tank 13 on peg or spindle 1 and reflective surface 6 are opposite, i.e., light tank 13 leans on
Nearly reflective surface 6, loophole 14 is then close to sensor 3.The signal of the transmitter transmitting of sensor 3 can be arrived by light transmission passage 10
Receiver is back to by light transmission passage 10 up to reflective surface 6, and after the reflection of reflective surface 6.
The working principle of the bobbin thread for sewing machine detection device of the present embodiment are as follows: when the baseline 7 on peg or spindle 1 is sufficient, more than baseline
When amount is greater than setting baseline surplus, light tank 13 is blocked by baseline 7, so that light transmission passage 10 is blocked, the transmitter of sensor 3
The signal of transmitting cannot reach reflective surface 6 by light transmission passage 10, and receiver does not just receive reflection signal yet, at this point, sensing
Device 3 does not export feedback signal, and sewing machine is normally sewed；When the baseline 7 on peg or spindle 1 is consumed to setting baseline surplus, light tank
13 gradually appear, and light transmission passage 10 is no longer blocked, and the signal of the transmitter transmitting of sensor 3 is reached instead by light transmission passage 10
Smooth surface 6, and receiver is back to by light transmission passage 10 after the reflection of reflective surface 6, receiver receives the reflection signal, this
When, sensor 3 exports the insufficient feedback signal of baseline, prompts baseline surplus to arrived setting baseline surplus, sewing machine is according to this
Feedback signal continues to stop sewing after sewing is no more than the length for setting baseline surplus.
The bobbin thread for sewing machine detection device of the present embodiment as a result, corresponds to setting for setting baseline surplus by light tank 13
Meter can achieve the purpose of control 7 length in reserve of baseline, guarantee sewing machine when receiving the insufficient feedback signal of baseline, shuttle
Also there are enough baseline surpluses on core 1, sewing machine can be made at least to complete the suture currently sewed, so that sewing machine is stitching
In will not be shut down because of no baseline 7, to avoid wiring.By changing setting position of the light tank 13 on 1 shoulder block 12 of peg or spindle,
It is adapted to different setting baseline surpluses, to meet various sewing requirements.
In the present embodiment, to increase detection accuracy, it is preferable that light tank 13 is in the circle concentric with the wrapping post 11 of peg or spindle 1
Arcuation, then the shape of light tank 13 and the shape of the whole outer peripheral surface of the baseline 7 being wrapped on wrapping post 11 match, when baseline 7
When being successively consumed to light tank 13 and appear, the baseline surplus of real surplus can be made closest to setting baseline surplus, to guarantee to examine
Survey the accuracy of result.
It is the first embodiment of the bobbin thread for sewing machine detection device of the present embodiment referring to Fig. 1 to Fig. 5.In the seam
In the first embodiment of machine bobbin thread detection device of threading, as shown in Figure 1 to Figure 3, reflective surface 6 is set to the medial surface of bobbin case 2, passes
Sensor 3 is located on the outside of rotating shuttle, and rotating shuttle is equipped with the rotating shuttle through-hole passed through for the signal that transmitter emits.Rotating shuttle frame 4 is equipped with rotating shuttle
Frame through-hole 41, rotation shuttle seat 5 are equipped with rotating shuttle block hole 51, and 5 housing of rotation shuttle seat is when on rotating shuttle frame 4, rotating shuttle block hole 51 and institute
It states rotating shuttle frame through-hole 41 to be docked and connected, constitutes the rotating shuttle through-hole.Shoulder block 12 of the peg or spindle 1 equipped with light tank 13 is interior with bobbin case 2
Side is oppositely arranged, and the reflective surface 6 on light tank 13 and 2 medial surface of bobbin case is opposite, and peg or spindle 1 is equipped with the shoulder block 12 of loophole 14
Then it is oppositely arranged with the medial surface of rotating shuttle.It is logical that the signal of the transmitter transmitting of sensor 3 can pass sequentially through the rotating shuttle on rotating shuttle
Light tank 13 on loophole 14, peg or spindle 1 on hole, peg or spindle 1 reaches the reflective surface 6 on 2 medial surface of bobbin case, and through reflective surface 6
Backtracking is to receiver after reflection.
Fig. 4 shows in the first embodiment of the bobbin thread for sewing machine detection device that the baseline 7 on peg or spindle 1 is sufficient
When operation schematic diagram, at this point, light tank 13 is blocked by baseline 7, the signal of the transmitter transmitting of sensor 3 cannot reach reflective
Face 6, sensor 3 do not export feedback signal, and sewing machine is normally sewed.Fig. 5 shows the of the bobbin thread for sewing machine detection device
In a kind of embodiment, the baseline surplus on peg or spindle 1 reaches operation schematic diagram when setting baseline surplus, at this point, light tank 13
Appear, the signal of the transmitter transmitting of sensor 3 reaches reflective surface 6 by light transmission passage 10, and passes through after the reflection of reflective surface 6
Light transmission passage 10 is back to receiver, and receiver receives the reflection signal, and sensor 3 exports the insufficient feedback signal of baseline,
Prompt baseline surplus arrived setting baseline surplus, and sewing machine continues sewing and be no more than more than setting baseline according to the feedback signal
Stop sewing after the length of amount.
It is second of embodiment of the bobbin thread for sewing machine detection device of the present embodiment referring to Fig. 6 to Fig. 8.In the seam
In second of embodiment of machine bobbin thread detection device of threading, reflective surface 6 is set to the medial surface of rotating shuttle, and sensor 3 is located at outside bobbin case 2
Side, bobbin case 2 are equipped with the bobbin case notch 21 passed through for the signal that transmitter emits.Peg or spindle 1 is equipped with shoulder block 12 and the rotation of light tank 13
The medial surface of shuttle is oppositely arranged, and the reflective surface 6 on light tank 13 and rotating shuttle medial surface is opposite, and peg or spindle 1 is equipped with loophole 14
Medial surface of the shoulder block 12 then with bobbin case 2 is oppositely arranged.The signal of the transmitter transmitting of sensor 3 can pass sequentially through on bobbin case 2
Bobbin case notch 21, the loophole 14 on peg or spindle 1, the light tank 13 on peg or spindle 1 reach rotating shuttle medial surface on reflective surface 6, and
Backtracking is to receiver after the reflection of reflective surface 6.As shown in figure 8, second in the bobbin thread for sewing machine detection device is real
It applies in mode, the reflective surface 6 on rotating shuttle medial surface is set to the medial surface of rotating shuttle frame 4.
It is the third embodiment of the bobbin thread for sewing machine detection device of the present embodiment, the third embodiment party referring to Fig. 9
Second of embodiment of formula and above-mentioned bobbin thread for sewing machine detection device is essentially identical, and something in common repeats no more, difference
It is, in the third embodiment of the bobbin thread for sewing machine detection device, the reflective surface 6 on rotating shuttle medial surface is set to rotating shuttle
The medial surface of seat 5, rotating shuttle frame 4 are equipped with the rotating shuttle frame through-hole 41 passed through for the signal of the transmitter transmitting of sensor 3.Sensor 3
Transmitter transmitting signal can pass sequentially through the bobbin case notch 21 on bobbin case 2, the loophole 14 on peg or spindle 1, on peg or spindle 1
Rotating shuttle frame through-hole 41 on light tank 13, rotating shuttle frame 4 reaches the reflective surface 6 on 5 medial surface of rotation shuttle seat, and reflects through reflective surface 6
Backtracking is to receiver afterwards.
Three of the above embodiment can be achieved the detection to baseline surplus on peg or spindle 1 and control 7 length in reserve of baseline.
In the present embodiment, reflective surface 6 can be a surface of the reflecting piece made of reflectorized material, when assembly, according to
Reflecting piece is pasted onto 5 inner surface of 2 inner surface of bobbin case or 4 inner surface of rotating shuttle frame or rotation shuttle seat by actual implementation mode.
Existing 2 standard component of bobbin case has notch, and existing 4 standard component of rotating shuttle frame and 5 standard component of rotation shuttle seat also all have
Through-hole, but the notch of 2 standard component of bobbin case, 1 coiling of the through-hole of 4 standard component of rotating shuttle frame, the through-hole of 5 standard component of rotation shuttle seat and peg or spindle
Farther out, i.e., position corresponding to distance setting baseline surplus is farther out, straight in order to reach for vertical range between 11 outer surface of column
It connects using standard component, change the purpose of existing bobbin case and rotating shuttle structure, in the present embodiment, it is preferable that loophole 14 is arranged
In the position for being higher than light tank 13, i.e. vertical range between 11 outer surface of loophole 14 and 1 wrapping post of peg or spindle is greater than light tank
Vertical range between 13 and 1 wrapping post of peg or spindle, 11 outer surface, that is, the corresponding baseline surplus in 14 position of loophole is greater than
Set baseline surplus, as a result, loophole 14 and light tank 13 constitute inclined light transmission passage 10 can according to actual implementation mode
Make the notch of the inclined light transmission passage 10 by 2 standard component of bobbin case or the through-hole by 4 standard component of rotating shuttle frame or by rotating shuttle
The through-hole of 5 standard components of seat, then can be used directly standard component, using the notch of 2 standard component of bobbin case as bobbin case notch 21 or by rotating shuttle
The through-hole of 4 standard component of frame is no longer needed to as rotating shuttle frame through-hole 41 or using the through-hole of 5 standard component of rotation shuttle seat as rotating shuttle block hole 51
It in addition opens up in addition to open up on bobbin case notch 21 or rotating shuttle frame 4 on bobbin case 2 and in addition be opened up in rotating shuttle frame through-hole 41 or rotation shuttle seat 5
Rotating shuttle block hole 51, so that production processing very simple, can reduce manufacturing cost.
In the present embodiment, one or more light transmission passages 10 can be equipped on peg or spindle 1, when being provided only with a light transmission passage 10
When, in assembly, according to actual implementation mode, it should be noted that the installation direction of peg or spindle 1, guarantees the shoulder block 12 for being equipped with light tank 13
It is oppositely arranged with reflective surface 6.Preferably, at least one light tank 13 and at least one are respectively provided on two shoulder blocks 12 of peg or spindle 1
Loophole 14, the light tank 13 on loophole 14 and another shoulder block 12 on a shoulder block 12 constitute light transmission correspondingly and lead to
Road 10, it is possible thereby at least a pair of opposite light transmission passage 10 be formed, so that the installation of peg or spindle 1 is not by the limit of installation direction
System, when positive and negative installation, are able to achieve 7 detection function of baseline.
It is the first embodiment of the peg or spindle 1 of the bobbin thread for sewing machine detection device use of the present embodiment, figure referring to Figure 10
In 10, Figure 10 a, 10b, 10c are successively right view, sectional side elevation and the left view of the first embodiment of the peg or spindle 1.Institute
It states in the first embodiment of peg or spindle 1, peg or spindle 1 is equipped with a light transmission passage 10, i.e., one is equipped on a shoulder block 12 thoroughly
Light slot 13 is equipped with a loophole 14 on another shoulder block 12.In assembly, according to actual implementation mode, it should be noted that shuttle
The installation direction of core 1 guarantees that the shoulder block 12 for being equipped with light tank 13 is oppositely arranged with reflective surface 6.
It is second of embodiment of the peg or spindle 1 of the bobbin thread for sewing machine detection device use of the present embodiment, figure referring to Figure 11
In 11, Figure 11 a, 11b, 11c are successively right view, main view and the left view of second of embodiment of the peg or spindle 1.Institute
It states in second of embodiment of peg or spindle 1, peg or spindle 1 is set there are two light transmission passage 10, i.e., one is equipped on a shoulder block 12 thoroughly
Light slot 13 and a loophole 14 are correspondingly equipped with a loophole 14 and a light tank 13 on another shoulder block 12, by
This constitutes a pair of opposite light transmission passage 10, so that the installation of peg or spindle 1 is not limited by installation direction.
It is the third embodiment of the peg or spindle 1 of the bobbin thread for sewing machine detection device use of the present embodiment, figure referring to Figure 12
In 12, Figure 12 a, 12b, 12c are successively right view, main view and the left view of the third embodiment of the peg or spindle 1.Institute
It states in the third embodiment of peg or spindle 1, peg or spindle 1 is set there are four light transmission passage 10, is equipped on a shoulder block 12 symmetrical
Two light tanks 13 and two symmetrical loopholes 14 are correspondingly equipped with symmetrical two thoroughly on another shoulder block 12
Thus unthreaded hole 14 and two symmetrical light tanks 13 constitute two pairs of opposite light transmission passages 10, the freedom that can be installed with peg or spindle 1
It spends bigger.
Certainly, the set-up mode and quantity of light tank 13 and loophole 14 are not limited to the three of above-mentioned peg or spindle 1 on peg or spindle 1
Kind embodiment, can carry out selection design according to the sewing machine structure of practical application.
In the present embodiment, sensor 3 can be connected with the controller of sewing machine, and the insufficient feedback signal of baseline is defeated
Controller, the feedback signal that controller is exported according to receiving sensor 3 are given, and sewing machine is controlled according to the feedback signal and is continued
Sewing stops sewing after being no more than the length of setting baseline surplus, realizes the automatic control of sewing process.The controller of sewing machine
It can be existing conventional controller, such as PLC controller or single-chip microcontroller.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of bobbin thread for sewing machine detection device, including peg or spindle (1), the receiving peg or spindle (1) bobbin case (2), be coated at it is described
The rotating shuttle of bobbin case (2) and sensor (3) with transmitter and receiver, the peg or spindle (1) include wrapping post (11) and set
Shoulder block (12) in the wrapping post (11) both ends, which is characterized in that the peg or spindle (1) is equipped at least one light transmission passage
(10), the light transmission passage (10) includes the light tank (13) and loophole (14) being respectively arranged on two shoulder blocks (12),
The corresponding baseline surplus in light tank (13) position is setting baseline surplus, and loophole (14) position is corresponding
Baseline surplus be not less than the setting baseline surplus, the medial surface of the bobbin case (2) or the medial surface of the rotating shuttle are equipped with
Reflective surface (6), the peg or spindle (1) between the reflective surface (6) and the sensor (3), and the light tank (13) with
Relatively, the signal of the transmitter transmitting can reach the reflective surface by the light transmission passage (10) to the reflective surface (6)
(6), and after the reflective surface (6) reflection through the light transmission passage (10) it is back to the receiver.
2. bobbin thread for sewing machine detection device according to claim 1, which is characterized in that the reflective surface (6) is set to described
The medial surface of bobbin case (2), the sensor (3) are located on the outside of the rotating shuttle, and the rotating shuttle is equipped with for transmitter transmitting
The rotating shuttle through-hole that signal passes through.
3. bobbin thread for sewing machine detection device according to claim 1, which is characterized in that the reflective surface (6) is set to described
The medial surface of rotating shuttle, the sensor (3) are located on the outside of the bobbin case (2), and the bobbin case (2) is equipped with to be emitted for the transmitter
The bobbin case notch (21) that passes through of signal.
4. bobbin thread for sewing machine detection device according to claim 3, which is characterized in that the rotating shuttle is described including being coated at
The rotating shuttle frame (4) of bobbin case (2) and the rotation shuttle seat (5) for being coated at the rotating shuttle frame (4), the reflective surface (6) are set to the rotating shuttle
The medial surface of frame (4).
5. bobbin thread for sewing machine detection device according to claim 3, which is characterized in that the rotating shuttle is described including being coated at
The rotating shuttle frame (4) of bobbin case (2) and the rotation shuttle seat (5) for being coated at the rotating shuttle frame (4), the reflective surface (6) are set to the rotating shuttle
The medial surface of seat (5), the rotating shuttle frame (4) are equipped with the rotating shuttle frame through-hole (41) passed through for the signal of transmitter transmitting.
6. bobbin thread for sewing machine detection device according to claim 1, which is characterized in that the light tank (13) be in it is described
The concentric arc-shaped of wrapping post (11).
7. bobbin thread for sewing machine detection device according to claim 1, which is characterized in that described in two of the peg or spindle (1)
At least one described light tank (13) and at least one described loophole (14), a shoulder block are respectively provided on shoulder block (12)
(12) light tank (13) on the loophole (14) and another described shoulder block (12) on constitutes institute correspondingly
State light transmission passage (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497303.1A CN110144678A (en) | 2019-06-10 | 2019-06-10 | Bobbin thread for sewing machine detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497303.1A CN110144678A (en) | 2019-06-10 | 2019-06-10 | Bobbin thread for sewing machine detection device |
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| Publication Number | Publication Date |
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| CN110144678A true CN110144678A (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910497303.1A Pending CN110144678A (en) | 2019-06-10 | 2019-06-10 | Bobbin thread for sewing machine detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609345A (en) * | 2020-10-27 | 2021-04-06 | 王凯 | Auxiliary cleaning device for preventing thread jamming of sewing machine |
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| DE3447138A1 (en) * | 1984-12-22 | 1986-07-03 | Anton Cramer GmbH & Co, 4402 Greven | Device for under-thread monitoring, especially on a two-thread lockstitch machine |
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Application publication date: 20190820 |