CN110359189A - A kind of bobbin thread for sewing machine overmeasure computation method and sewing machine control method for stopping - Google Patents
A kind of bobbin thread for sewing machine overmeasure computation method and sewing machine control method for stopping Download PDFInfo
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- CN110359189A CN110359189A CN201910661117.7A CN201910661117A CN110359189A CN 110359189 A CN110359189 A CN 110359189A CN 201910661117 A CN201910661117 A CN 201910661117A CN 110359189 A CN110359189 A CN 110359189A
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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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- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of bobbin thread for sewing machine overmeasure computation method, comprising the following steps: baseline winding length A is obtained when to shuttle peg winding；The baseline beginning that the controller of sewing machine obtains baseline on peg or spindle measures L: baseline beginning amount L is baseline winding length A or is the baseline surplus after last time sewing；Seam is started；After sewing, the controller of sewing machine obtains the baseline that sewing needle number M and every needle needle gage use and uses length B, and the controller of sewing machine calculates baseline surplus Y:Y=f (L automatically, M, B), the f (L, M, B) it is pre-stored in the controller of sewing machine.The application can effectively calculate the baseline surplus Y on peg or spindle, to effectively be monitored to baseline surplus；Particularly, the application can avoid being transformed the structure of peg or spindle, and the application can be realized using common peg or spindle, cancels the specificity of peg or spindle, so that peg or spindle is general, and reduces the difficulty of processing of peg or spindle.
Description
Technical field
The present invention relates to sewing machine fields, stop more particularly to a kind of bobbin thread for sewing machine overmeasure computation method and sewing machine
Vehicle control method.
Background technique
When sewing sewing, the rotating shuttle and eedle of sewing machine cooperate so that baseline and upper thread are interleaved with each other company sewing machine
Eyelet is threaded on sewing, to form stitching.Upper thread is threaded through in the pinprick of eedle, and eedle does up and down campaign；Rotating shuttle by
Bobbin case and peg or spindle are constituted, and peg or spindle is housed in bobbin case, and baseline is wrapped on peg or spindle.Upper thread is generally longer, there is 3000m-
4000m, and user can observe the number of upper thread line amount at any time in sewing process, therefore upper thread can be replaced in time.But due to seam
It threads the limitation of machine space and mechanism principle, baseline is generally shorter, only 20m-50m, therefore needs to be replaced as frequently as peg or spindle.
Currently, worker can not be by eyes direct viewing peg or spindle for the sewing machine of no baseline surplus detection function
Whether baseline surplus is enough, therefore can not find in time after baseline is finished, and causes to sew in vain, so that sewing be caused to scrap or tear open
Line is done over again.For there is the sewing machine of baseline surplus detection function, most of them are realized by sensor baseline surplus detection,
Such as: a kind of bobbin thread for sewing machine excess detection method disclosed in the Chinese invention patent application No. is 201610388889.4,
It uses sensor alignment peg or spindle, peg or spindle have the function of can reflected sensor signal, therefore peg or spindle is dedicated peg or spindle, with current
Common peg or spindle in the market can not be general, and this dedicated peg or spindle, other than poor universality, difficulty of processing is also high.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of calculating of bobbin thread for sewing machine surplus
Method uses common peg or spindle can be realized.
To achieve the above object, the present invention provides a kind of bobbin thread for sewing machine overmeasure computation method, comprising the following steps:
1) baseline winding length A, is obtained when to shuttle peg winding；
2), the baseline beginning that the controller of sewing machine obtains baseline on peg or spindle measures L: head after this time sewing is replaces peg or spindle
When secondary sewing, the baseline beginning amount L is baseline winding length A；When this time sewing for replacement peg or spindle after it is non-sew for the first time when, institute
Stating baseline beginning amount L is the baseline surplus after last time sewing；
3) seam, has been started；
4) after, sewing, the controller of sewing machine obtains the sewing needle number M of the secondary sewing and every needle needle gage uses
Baseline use length B, the controller of sewing machine calculates baseline surplus Y:Y=f (L, M, B) automatically, and the f (L, M, B) prestores
In the controller of sewing machine.
Further, in the step 4), f (L, M, B)=L-M*B.
Further, in the step 4), the controller of the sewing machine obtains the baseline that every needle needle gage uses and uses length
Spend the mode of B are as follows:
S1, the compensation variable N that every needle needle gage uses line length is previously provided in the controller of sewing machine；
S2, started after stitching, the controller of sewing machine obtains the needle gage P of the secondary sewing；
S3, sewing machine controller calculate the baseline that every needle needle gage in the secondary sewing process uses automatically and use length B:
B=f (N, P), the f (N, P) are pre-stored in the controller of sewing machine.
Further, the compensation variable N is that the baseline that every needle needle gage uses uses length B to consume relative to needle gage P more
Baseline amount；In the step S3, f (N, P)=P+N.
Further, the compensation variable N is that the baseline that every needle needle gage uses uses length B relative to the multiple of needle gage P；
In the step S3, f (N, P)=P*N.
Further, the compensation variable N is constant.
Further, in the step 1), baseline is wrapped on peg or spindle using bobbin winder device, is pacified in the bobbin winder device
Electronic device equipped with measurement winding length.
The application also provides a kind of sewing machine control method for stopping, and the sewing machine control method for stopping uses as described above
Bobbin thread for sewing machine overmeasure computation method calculate every time sewing after baseline surplus Y, the controller and seam of the sewing machine
Thread machine main motor be connected；Parking condition is provided in the controller of the sewing machine, the Parking condition is lower road sewer
Baseline amount needed for sequence allows surplus for baseline, and the controller of the sewing machine controls the main electricity of sewing machine according to Parking condition
Machine stops operating.
As described above, bobbin thread for sewing machine overmeasure computation method of the present invention and sewing machine control method for stopping, have
Below the utility model has the advantages that
The application is kept away in the baseline surplus Y that can effectively calculate on peg or spindle to effectively be monitored to baseline surplus
Exempt to generate invalid sewing, guarantees sewing quality；Particularly, the application is that L, sewing needle number M and every needle needle are measured by the baseline beginning
Length B is used away from the baseline used to obtain the accurate baseline surplus Y of remaining baseline on peg or spindle, rather than is used in the prior art
The cooperation of sensor and peg or spindle is realized, therefore the application avoids being transformed the structure of peg or spindle, and the application is using common
Peg or spindle can be realized, and cancel the specificity of peg or spindle, so that peg or spindle is general, and reduce the difficulty of processing of peg or spindle.
Detailed description of the invention
Fig. 1 is to connect to close between the controller of sewing machine, the main motor of sewing machine and bobbin winder device three in the application
It is the schematic diagram of embodiment one.
Fig. 2 is to connect to close between the controller of sewing machine, the main motor of sewing machine and bobbin winder device three in the application
It is the schematic diagram of embodiment two.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that structure, ratio, size etc. that this specification attached drawing is drawn, only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the invention enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention
Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.Together
When, cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be merely convenient to chat
It states clearly, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
The application provides a kind of bobbin thread for sewing machine overmeasure computation method, comprising the following steps:
1) baseline winding length A, is obtained when to shuttle peg winding, which is that peg or spindle is fitted into sewing machine
The baseline amount of baseline when sewing for the first time afterwards.
2) before, starting sewing, the baseline beginning that the controller of sewing machine obtains baseline on peg or spindle measures L: when the secondary sewing is
When sewing for the first time after replacing peg or spindle, baseline beginning amount L be the peg or spindle around baseline when baseline winding length A；When the secondary seam
When non-after threading as replacement peg or spindle is sewed for the first time, baseline beginning amount L is the baseline surplus after last time sewing, baseline surplus
The base line length of remaining baseline as on peg or spindle.
3) seam, has been started.
4) after, sewing, the controller acquisition of sewing machine is stitched to sewing from the outset to be terminated in this section of sewing process
The baseline that sewing needle number M and every needle needle gage use uses length B, and the controller of sewing machine calculates baseline surplus Y:Y=automatically
F (L, M, B), the f (L, M, B) are pre-stored in the controller of sewing machine.Preferably, Y=f (L, M, B)=L-M*B.
Therefore, the application can effectively calculate the baseline surplus Y on peg or spindle, to carry out to baseline surplus effective real
When monitor, avoid generating invalid sewing, guarantee sewing quality.Particularly, the application be by the baseline beginning measure L, sewing needle number M,
And the baseline that every needle needle gage uses uses length B to obtain the accurate baseline surplus Y of remaining baseline on peg or spindle, rather than use
The cooperation of sensor and peg or spindle in the prior art is realized, therefore the application avoids being transformed the structure of peg or spindle, the application
It can be realized using common peg or spindle, cancel the specificity of peg or spindle, so that peg or spindle is general, and reduce the difficulty of processing of peg or spindle.
Further, the application also provides a kind of sewing machine control method for stopping, and the sewing machine control method for stopping is above-mentioned
Bobbin thread for sewing machine overmeasure computation method calculates the baseline surplus Y after sewing every time；In addition, as shown in Figure 1 or 2, sewing
The controller of machine is connected with the main motor of sewing machine, the rotation for controlling main motor and stops operating, to control sewing machine
Operating or shutdown；Through the above steps 1) to more than the baseline that 4) can be accurately calculated on peg or spindle after each sewing
Y is measured, baseline surplus Y is stored in the controller of sewing machine and covers last data, and the controller of sewing machine is the bottom of further according to
The sewing of line surplus Y and lower road sewing process requires the operating condition of control sewing machine.Specific control mode are as follows: the control of sewing machine
Parking condition is provided in device processed, Parking condition is baseline amount needed for lower road sewing process or is that baseline allows surplus, sewing
The controller of machine stops operating according to the main motor that Parking condition controls sewing machine namely the controller of sewing machine is according to parking item
Part judges accurate down time.
Such as: lower road sewing process is the technique for not allowing wiring to continue sewing, that is, the garment sewing technique being directed to does not permit
Perhaps the wiring sewing technology then sewed at this again after baseline is finished, next time, then Parking condition is lower road seam
Baseline amount needed for process of threading, electronic control module judge whether the baseline surplus Y being calculated after last time sewing meets lower road
The sewing of pattern template in process of sewing, if being able to satisfy, this road is completed in the controller control sewing machine host operating of sewing machine
The sewing of pattern template；If not being able to satisfy, the controller of sewing machine triggers the alarm module in sewing machine, prompts user's replacement
New peg or spindle.Pattern template can be the CAD domain being stored in sewing machine control, and the controller of sewing machine reads CAD editions
The sewing needle number of pattern template in lower road sewing process can be obtained after figure, the controller of sewing machine is in process of sewing by lower road
Baseline that the sewing needle number and every needle needle gage of pattern template use uses length B to be calculated after judging last time sewing
Whether baseline surplus Y meets the sewing of pattern template in lower road sewing process, avoids sewing in vain or fabric is scrapped or torn open
Line is done over again linearly.
For another example: lower road sewing process is the technique for allowing wiring to continue sewing, that is, the garment sewing technique being directed to allows
After baseline is finished, next time the wiring sewing technology then sewed at this again, then Parking condition is baseline permission
The controller of surplus, sewing machine uses length B and baseline surplus Y according to the baseline that baseline allows surplus, every needle needle gage to use
Allow to sew needle number X obtain lower road sewing process automatically, the main motor movement of the controller driving sewing machine of sewing machine, to
Stitching sewing machine is complete to be allowed to sew the main motor of the controller driving sewing machine of sewing machine after needle number X and shuts down, and triggers seam
The alarm module threaded in machine, the peg or spindle for prompting user more to renew, avoids sewing in vain.Therefore, wiring is being allowed to continue to stitch
Under the sewing environment for the technique threaded, the application may be implemented in line more than baseline it is short enough when, sewing machine is sentenced automatically according to setting
Break parking when baseline reserves certain length, avoids causing after no baseline sewing in vain or fabric is scrapped.
Further, the baseline that the controller of sewing machine obtains that every needle needle gage uses uses length B can be and measures in advance
It is manually entered into the controller of sewing machine, can also can also be mended by sensor signal automatic identification by user afterwards
Repay calculating.In the present embodiment, baseline uses compensation calculation mode using length B, preferably includes following steps: S1, in sewing machine
Controller in be previously provided with every needle needle gage use line length compensation variable N；S2, started after stitching, the control of sewing machine
Device obtains the needle gage P of the secondary sewing；S3, sewing machine controller calculate what every needle needle gage in the secondary sewing process used automatically
Baseline uses length B:B=f (N, P), and the f (N, P) is pre-stored in the controller of sewing machine.Compensation variable N is based on sewing
What the factor that thickness, the bad, line tension of baseline stitching etc. have an impact baseline loss determined, it is compensated and is counted by compensation variable N
Base line length needed for calculating every needle needle gage, baseline caused by the factors such as compensating approach sewing thickness, the bad, line tension of baseline stitching
The calculating error of waste reduces the calculating error that every needle needle gage baseline uses length, to improve the bottom that every needle needle gage uses
Line uses the calculating precision of length B, and then improves the calculating precision of baseline surplus Y.
The determination method of compensation variable N is preferred are as follows: by causing the loss of baseline to be studied sewing thickness, obtain because
Baseline loss value Q1 caused by sewing thickness；By causing the loss of baseline to be studied the bad stitching of baseline, obtain the bottom of because of
Baseline loss value Q2 caused by the bad stitching of line；By causing the loss of baseline to be studied line tension, obtain because of line tension
Caused by baseline loss value Q3.Empirical value can be used in Q1, Q2 and Q3, and thus calculating resulting compensation variable N is constant.Work as benefit
It repays variable N and uses length B relative to the baseline amount of needle gage P mostly consumption come when indicating, compensation becomes with the baseline that every needle needle gage uses
Measure the calculation method of N are as follows: N=Q1+Q2+Q3 or N=Q1+Q2-Q3.In addition, if there is also other cause baseline be lost because
These factors can be included in and calculate compensation variable N, it may be assumed that N=Q1+Q2+Q3+ ... or N=Q1+Q2-Q3+ ... by element.Based on this, bottom
Line uses length B=f (N, P)=P+N.When compensation variable N uses length B relative to needle gage P with the baseline that every needle needle gage uses
Multiple come when indicating, the calculation method of compensation variable N are as follows: N=(P+Q1+Q2+Q3)/P or (P+Q1+Q2-Q3)/P.In addition,
If these factors can be included in and calculate compensation variable N, it may be assumed that N=(P+Q1+Q2+ there is also the factor that other cause baseline to be lost
Q3+ ...)/P or N=(P+Q1+Q2-Q3+ ...)/P.Based on this, in the step 3), baseline uses length B=f (N, P)=P*
N。
Further, in the step 1), baseline is wrapped on peg or spindle using bobbin winder device, is equipped in bobbin winder device
The electronic device of winding length is measured, therefore baseline winding length A is accurately recorded by bobbin winder device.As shown in Figure 1, bobbin winder device
Be not connected between the controller of sewing machine, between the two without Direct Communication, at this point, baseline winding length A can by with
Family is manually entered into the controller of sewing machine through the operation panel on sewing machine.Alternatively, as shown in Fig. 2, bobbin winder device and seam
Thread machine controller by signal wire be connected, at this point, baseline winding length A is automatically fed to the control of sewing machine by bobbin winder device
Device.
In conclusion the application can accurately judge baseline surplus, to keep away under the premise of using traditional peg or spindle
Exempt from sewing, fabric in vain to scrap, dismantle the problems such as linear of doing over again, enables peg or spindle and currently used peg or spindle general, reduce
The difficulty of processing of peg or spindle, so that client is acceptant.Particularly, the application stitches before each sewing starts according to the last time
The baseline surplus Y that is calculated after threading and the Parking condition of setting judge accurately down time: for not permitting
Perhaps wiring continues the technique of sewing, and the sewing institute of pattern template in lower road sewing process whether is met by matching baseline surplus Y
Needle number is needed, if judgement is unable to satisfy needle number needed for the sewing of pattern template, sewing machine automatic stopping in lower road sewing process；It is right
In the technique for allowing wiring to continue sewing, sewing machine judges parking when baseline reserves certain length automatically according to setting.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of bobbin thread for sewing machine overmeasure computation method, it is characterised in that: the following steps are included:
1) baseline winding length A, is obtained when to shuttle peg winding；
2), the baseline beginning that the controller of sewing machine obtains baseline on peg or spindle measures L: the seam for the first time after this time sewing is replaces peg or spindle
When threading, the baseline beginning amount L is baseline winding length A；When this time sewing for replacement peg or spindle after it is non-sew for the first time when, the bottom
It is the baseline surplus after last time sewing that the line beginning, which measures L,；
3) seam, has been started；
4) after, sewing, the controller of sewing machine obtains the sewing needle number M of the secondary sewing and every needle needle gage uses bottom
Line uses length B, and the controller of sewing machine calculates baseline surplus Y:Y=f (L, M, B) automatically, and the f (L, M, B) is pre-stored in seam
It threads in the controller of machine.
2. bobbin thread for sewing machine overmeasure computation method according to claim 1, it is characterised in that: in the step 4), f (L,
M, B)=L-M*B.
3. bobbin thread for sewing machine overmeasure computation method according to claim 1, it is characterised in that: described in the step 4)
The controller of sewing machine obtains the mode that the baseline that every needle needle gage uses uses length B are as follows:
S1, the compensation variable N that every needle needle gage uses line length is previously provided in the controller of sewing machine；
S2, started after stitching, the controller of sewing machine obtains the needle gage P of the secondary sewing；
S3, sewing machine controller calculate the baseline that every needle needle gage in the secondary sewing process uses automatically and use length B:B=f
(N, P), the f (N, P) are pre-stored in the controller of sewing machine.
4. bobbin thread for sewing machine overmeasure computation method according to claim 3, it is characterised in that: the compensation variable N is every
The baseline amount that the baseline that needle needle gage uses uses length B to consume relative to needle gage P more；In the step S3, f (N, P)=P+N.
5. bobbin thread for sewing machine overmeasure computation method according to claim 3, it is characterised in that: the compensation variable N is every
The baseline that needle needle gage uses uses length B relative to the multiple of needle gage P；In the step S3, f (N, P)=P*N.
6. according to the described in any item bobbin thread for sewing machine overmeasure computation methods of claim 3-5, it is characterised in that: the compensation becomes
Amount N is constant.
7. bobbin thread for sewing machine overmeasure computation method according to claim 1, it is characterised in that: in the step 1), use
Baseline is wrapped on peg or spindle by bobbin winder device, and the electronic device of measurement winding length is equipped in the bobbin winder device.
8. a kind of sewing machine control method for stopping, it is characterised in that: the sewing machine control method for stopping uses claim 1-7
Described in any item bobbin thread for sewing machine overmeasure computation methods calculate the baseline surplus Y after sewing every time, the sewing machine
Controller is connected with the main motor of sewing machine；Parking condition is provided in the controller of the sewing machine, the Parking condition is
Baseline amount needed for lower road sewing process allows surplus for baseline, and the controller of the sewing machine is controlled according to Parking condition to be stitched
The main motor of machine of threading stops operating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910661117.7A CN110359189A (en) | 2019-07-22 | 2019-07-22 | A kind of bobbin thread for sewing machine overmeasure computation method and sewing machine control method for stopping |
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| CN201910661117.7A CN110359189A (en) | 2019-07-22 | 2019-07-22 | A kind of bobbin thread for sewing machine overmeasure computation method and sewing machine control method for stopping |
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Cited By (1)
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| CN111005165A (en) * | 2019-12-16 | 2020-04-14 | 拓卡奔马机电科技有限公司 | Keyhole bottom thread consumption calculation method and shuttle peg remaining thread amount control method |
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Application publication date: 20191022 |
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