CN206428435U - A kind of detection means of bobbin thread for sewing machine line amount - Google Patents
A kind of detection means of bobbin thread for sewing machine line amount Download PDFInfo
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- CN206428435U CN206428435U CN201621356460.9U CN201621356460U CN206428435U CN 206428435 U CN206428435 U CN 206428435U CN 201621356460 U CN201621356460 U CN 201621356460U CN 206428435 U CN206428435 U CN 206428435U
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- sewing machine
- detection means
- peg
- spindle
- range sensor
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Abstract
The utility model provides a kind of detection means of bobbin thread for sewing machine line amount, belongs to sewing machine technique field.It solves the problem of installing space that existing bobbin thread for sewing machine line amount detecting device occupies is big.The detection means of this bobbin thread for sewing machine line amount, sewing machine includes Nei Suo and the rotating shuttle loaded on Nei Suonei, rotating shuttle includes bobbin case and the peg or spindle in bobbin case, there is breach on bobbin case, there is at least one axis hole, detection means includes range sensor, and range sensor is located at the outside of bobbin case on peg or spindle, range sensor is with breach just to setting, and peg or spindle makes the axis hole, breach and range sensor three position just right around the axis rotational energy of itself.The detection means of this bobbin thread for sewing machine line amount has the problem of installing space occupied is small.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to a kind of detection means of bobbin thread for sewing machine line amount.
Background technology
Sewing machine is when sewing fabric, and the rotating shuttle and eedle of sewing machine cooperate bottom line and upper thread being interleaved with each other company
Eyelet is threaded on fabric, so as to form stitching.Upper thread is longer and upper thread is typically all that, installed in the outside of sewing machine, sew people
Member can be observed whether upper thread is finished by naked eyes；And bottom line is located in the peg or spindle inside sewing machine, and wound on peg or spindle
Base line length it is also very limited, therefore sewing personnel pass through naked eyes be difficult observe peg or spindle on bottom line surplus, unless seam
Occur during threading in coil without bottom line phenomenon, so just judge that bottom line is finished or judges to be fitted without peg or spindle, still, now
One section of stitching floated on sewing is formed on sewing, so as to influence sewing quality and efficiency.
In this case, it has been realized that this deficiency, and improvement was carried out, such as Chinese patent literature data is public
Open a kind of use in sewing machine bottom line detection correlation optoelectronic induction control system [application number of proposition：201410568575.3；Authorize
Notification number：CN CN104372539 U], include electronic control module, the rotating shuttle on Sewing machine shuttle frame and the use of sewing machine
In driving sewing machine action motor, rotating shuttle include bobbin case and the peg or spindle in bobbin case, in addition to be fixed on shuttle frame and
The infrared emission tube and infrared receiver tube being oppositely arranged, bobbin case one end just enter provided with one to the infrared ray of infrared emission tube
Mouthful, the other end to an infrared ray of infrared receiver tube provided with just exporting, and the wrapping post of peg or spindle is provided with a through hole；When in bobbin case
During without peg or spindle, infrared ray entrance is connected with infrared ray outlet；When the bottom line amount wound on the wrapping post of peg or spindle is not enough, through hole
Expose, and infrared ray entrance is connected with infrared ray outlet by through hole；Electronic control module by a signal condition control circuit with
Infrared emission tube is connected with infrared receiver tube, and electronic control module is also connected by an output circuit with motor.
Infrared ray entry and exit and shuttle of the above-mentioned control system on infrared emission tube, infrared receiver tube, bobbin case
Under through hole this cooperation on core, to detect on peg or spindle whether also there is bottom line, exist in the prior art so as to solve
The problem of.But the control system is by setting the infrared emission tube being oppositely arranged, infrared receiver tube and needing in bobbin case
Whole detection could be realized by portalling with additional processing on peg or spindle, and parts are more, complicated, and the installing space occupied is big, and
Space at sewing-machine rotating shuttle is smaller, it is clear that the control system of this kind of structure installs inconvenience.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, it is proposed that a kind of bobbin thread for sewing machine line
The detection means of amount, the technical problem of solution is that the installing space for occupying how detection means is small.
The purpose of this utility model can be realized by following technical proposal：A kind of detection dress of bobbin thread for sewing machine line amount
Put, sewing machine includes Nei Suo and the rotating shuttle loaded on Nei Suonei, the rotating shuttle includes bobbin case and the peg or spindle in bobbin case, the shuttle
Having on shell has at least one axis hole on breach, the peg or spindle, it is characterised in that the detection means includes Distance-sensing
Device, the range sensor is located at the outside of bobbin case, the range sensor and breach just to setting, the peg or spindle around itself
Axis rotational energy makes the axis hole, breach and range sensor three position just right.
Rotating shuttle is located at the lower section of baseplate of sewing machine, and peg or spindle is that, for winding bottom line, bottom line is interior using needing to change after complete
There is installing blind, peg or spindle is located in installing blind, then peg or spindle is positioned by bobbin case, and peg or spindle is located at bobbin case in shuttle
Inner side, range sensor is arranged on the outside of bobbin case.Range sensor is connected by circuit with the electric-control system of sewing machine；Distance
Sensor is with breach just to setting, and during beginning, peg or spindle is rotated when the axis hole on peg or spindle is overlapped with breach, due to being filled in peg or spindle
Bottom line, bottom line closure axis hole, the length that now range sensor detects a segment distance is consistent, and the signal is fed back
To the electric-control system of sewing machine, when sewing machine is persistently sewed, the bottom line on peg or spindle is gradually decreased, and bottom line no longer blocks axis hole
When, the distance that now range sensor is detected is interval jitter, i.e. the segment distance of a segment distance length one is short, and the signal is anti-
Feed the electric-control system of sewing machine, what range sensor was received in electric-control system statistics certain time be interrupted apart from length beats
Data calculate mean speed V of the peg or spindle within the above-mentioned period2；Further according to formula W=V1DK/2πV2-R2(wherein, W
For the line threshold values that refoots, for being compared to judge whether to need to change bottom line with standard value；V1It is controlling rotation speed of main shaft of motor；D is
Needle gage；K is thickness coefficient, and thickness coefficient is constant, but the thickness coefficient of different-thickness cloth is not same；R2It is shuttle peg winding post
Radius) come judge whether to need carry out replacing bottom line.In the prior art, breach is carried in itself on bobbin case, it is not necessary to bobbin case
It is to be applicable to this detection means to carry out special transformation, so that the convenience of this detection means processing is improved, and this detection
Device only needs to install a range sensor at the rotating shuttle inside sewing machine, and parts are few, simple in construction, occupy
Installing space is small.
In a kind of detection means of above-mentioned bobbin thread for sewing machine line amount, the breach is located at the top of bobbin case.Change bottom
During line, operator is hand to be extend into inside sewing machine to carry out picking and placeing peg or spindle from below, and breach, which is located at the top of bobbin case, makes this
Detection means, which is arranged in less space, will not hinder operator, make operator easy to operate.
In a kind of detection means of above-mentioned bobbin thread for sewing machine line amount, the distance between the range sensor and breach
Between 1-2cm.Range sensor and the distance between breach are shorter, and compact conformation, the space that this detection means is occupied is small, makes
This detection means can be arranged in less space.
In a kind of detection means of above-mentioned bobbin thread for sewing machine line amount, the inside of the sewing machine is fixed with fixed seat,
The range sensor is connected in fixed seat.Fixed seat is fixed on the inside of sewing machine, and the setting of fixed seat fills this detection
The inside of sewing machine can be fixed on by putting, and that improves this detection means firmly installs degree.
In a kind of detection means of above-mentioned bobbin thread for sewing machine line amount, position-adjustable is fixed with the fixed seat
Adjustable plate, the range sensor is connected on adjustable plate.The position of adjustable range sensor is capable of in the setting of adjustable plate, so that
Ensure that this range sensor can be just right with breach and axis hole, improve accuracy of detection.
Compared with prior art, the detection means for the bobbin thread for sewing machine line amount that the utility model is provided has advantages below：
1st, the detection means of this bobbin thread for sewing machine line amount is by setting a Distance-sensing at the rotating shuttle inside sewing machine
Device, is that can detect that in peg or spindle whether bottom is finished to need to change by a range sensor, makes the letter of this structure of the detecting device
Single, the installing space occupied is small.
2nd, carried in itself on this bobbin case on breach, peg or spindle and carry axis hole, using this detection means without change
The original structure of bobbin case and peg or spindle, improves the convenience of this detection means processing, the strong adaptability of this detection means.
3rd, the detection means of this bobbin thread for sewing machine line amount is by setting the position of adjustable plate adjustable range sensor, so that
Range sensor can improve measuring accuracy just to breach and through hole.
Brief description of the drawings
Fig. 1 is the overall structure diagram of this bobbin thread for sewing machine line amount detecting device.
Fig. 2 is the overall structure diagram of this sewing machine shuttle peg.
In figure, 1, interior shuttle；2nd, rotating shuttle；21st, bobbin case；22nd, peg or spindle；221st, catch；222nd, connecting shaft；23rd, breach；24th, axle
Hole；3rd, range sensor；4th, fixed seat；5th, adjustable plate.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, sewing machine includes interior shuttle 1 and loaded on the rotating shuttle 2 in interior shuttle 1, rotating shuttle 2 includes bobbin case 21 and positioned at shuttle
There is breach 23, vertically, breach 23 is located at the top of bobbin case 21 on peg or spindle 22 in shell 21, bobbin case 21.Such as Fig. 2 institutes
Show, peg or spindle 22 includes having axis hole 24 on the catch 221 on both sides and the connecting shaft 222 of connection two panels catch 221, peg or spindle 22,
Axis hole 24 is located in catch 221, in the present embodiment, and there are eight to be equidistantly arranged at intervals around the annular of connecting shaft 222 on peg or spindle 22
Axis hole 24, in actual production, the quantity of axis hole 24 can be one or ten, and peg or spindle 22 is around the rotational energy of connecting shaft 222
Axis hole 24 is set to be overlapped with breach 23.
Detection means includes range sensor 3, fixed seat 4 and adjustable plate 5.Fixed seat 4 is connected in the inside of sewing machine, adjusts
The adjustment hole having on plate 5 in strip is saved, adjustable plate 5 is connected in fixation by the way that regulating bolt is adjustable all around up and down
On seat 4, range sensor 3 is connected in the top of adjustable plate 5, and range sensor 3 is located at side of the bobbin case 21 away from peg or spindle 22, away from
From sensor 3 and breach 23 just to setting, in the present embodiment, the distance between range sensor 3 and breach 23 are 1.5cm,
In actual production, the distance between range sensor 3 and breach 23 are 1cm or 2cm.
During detection, bottom line is filled during beginning in peg or spindle 22, peg or spindle 22 rotates around connecting shaft 222, even if the rotation of axis hole 24 is logical
Breach 23 is crossed, because bottom line blocks axis hole 24, range sensor 3 detects identical and a shorter segment distance, and this is believed
Number pass to the electric-control system of sewing machine；When sewing machine is persistently sewed, the bottom line on peg or spindle 22 is gradually decreased, and bottom line is no longer
When blocking axis hole 24, the distance that now range sensor 3 is detected is beated, i.e. the segment distance of a segment distance length one is short, and
The signal is fed back to the electric-control system of sewing machine, the distance that range sensor 3 is received in electric-control system statistics certain time
Length is interrupted the data of bounce to calculate mean speed V of the peg or spindle 22 within the above-mentioned period2；Further according to formula W=V1DK/2
πV2-R2(wherein, W is the line threshold values that refoots, for being compared to judge whether to need to change bottom line with standard value；V1It is motor
The speed of mainshaft；D is needle gage；K is thickness coefficient, and thickness coefficient is constant, but the thickness coefficient of different-thickness cloth is not same；R2
The radius of the wrapping post of peg or spindle 22) come judge whether to need carry out replacing bottom line.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used interior shuttle 1, rotating shuttle 2, bobbin case 21, peg or spindle 22, breach 23, axis hole 24, Distance-sensing herein
The terms such as device 3, fixed seat 4, adjustable plate 5, but it is not precluded from the possibility using other terms.The use of these terms is only to be
More easily describe and explain essence of the present utility model；Being construed as any additional limitation is all and this reality
Disagreed with new spirit.
Claims (5)
1. a kind of detection means of bobbin thread for sewing machine line amount, sewing machine includes interior shuttle (1) and loaded on the rotating shuttle (2) in interior shuttle (1),
The rotating shuttle (2) includes having breach (23) on bobbin case (21) and the peg or spindle (22) in bobbin case (21), the bobbin case (21),
There is at least one axis hole (24), it is characterised in that the detection means includes range sensor (3) on the peg or spindle (22),
The range sensor (3) is located at the outside of bobbin case (21), and the range sensor (3) and breach (23) are described just to setting
Peg or spindle (22) makes the axis hole (24), breach (23) and range sensor (3) three position just right around the axis rotational energy of itself.
2. the detection means of a kind of bobbin thread for sewing machine line amount according to claim 1, it is characterised in that vertically,
The breach (23) is located at the top of bobbin case (21).
3. a kind of detection means of bobbin thread for sewing machine line amount according to claim 1 or 2, it is characterised in that the distance
The distance between sensor (3) and breach (23) are between 1-2cm.
4. a kind of detection means of bobbin thread for sewing machine line amount according to claim 1 or 2, it is characterised in that the sewing
The inside of machine is fixed with fixed seat (4), and the range sensor (3) is connected in fixed seat (4).
5. a kind of detection means of bobbin thread for sewing machine line amount according to claim 4, it is characterised in that the fixed seat
(4) adjustable plate (5) of position-adjustable is fixed with, the range sensor (3) is connected on adjustable plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356460.9U CN206428435U (en) | 2016-12-09 | 2016-12-09 | A kind of detection means of bobbin thread for sewing machine line amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356460.9U CN206428435U (en) | 2016-12-09 | 2016-12-09 | A kind of detection means of bobbin thread for sewing machine line amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206428435U true CN206428435U (en) | 2017-08-22 |
Family
ID=59586142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621356460.9U Expired - Fee Related CN206428435U (en) | 2016-12-09 | 2016-12-09 | A kind of detection means of bobbin thread for sewing machine line amount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206428435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849009A (en) * | 2019-02-21 | 2019-06-07 | 上海发那科机器人有限公司 | A kind of spray robot extension spring-type Anti-explosion cover-opening gripper |
| CN110079942A (en) * | 2019-05-24 | 2019-08-02 | 安徽杰羽制鞋机械科技有限公司 | A kind of bobbin thread for sewing machine monitoring device and its monitoring method |
-
2016
- 2016-12-09 CN CN201621356460.9U patent/CN206428435U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849009A (en) * | 2019-02-21 | 2019-06-07 | 上海发那科机器人有限公司 | A kind of spray robot extension spring-type Anti-explosion cover-opening gripper |
| CN109849009B (en) * | 2019-02-21 | 2022-01-11 | 上海发那科机器人有限公司 | Tension spring type explosion-proof cover opening claw of spraying robot |
| CN110079942A (en) * | 2019-05-24 | 2019-08-02 | 安徽杰羽制鞋机械科技有限公司 | A kind of bobbin thread for sewing machine monitoring device and its monitoring method |
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Legal Events
| 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: 20170822 Termination date: 20191209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |