CN100363547C - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN100363547C CN100363547C CNB011360860A CN01136086A CN100363547C CN 100363547 C CN100363547 C CN 100363547C CN B011360860 A CNB011360860 A CN B011360860A CN 01136086 A CN01136086 A CN 01136086A CN 100363547 C CN100363547 C CN 100363547C
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- sewing machines
- signal
- bobbin
- bottom line
- stop
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Abstract
A sewing machine has a sewing machine pedal for outputting start and stop signals to the sewing machine by operation, and stops operating when it is detected that the amount of thread of the bobbin for accommodating bobbin thread is equal to or more than a specific amount. When the start signal is outputted again after the stop signal is outputted from the sewing machine pedal after the stop, the sewing machine is started by the operation of the sewing machine pedal again regardless of the state of the amount of thread of the bobbin. At the same time, when a thread cutter signal is outputted after the stop, the start signal is outputted again and the start of the sewing machine is prohibited by a control means. The sewing machine can reliably report the amount of thread in the bobbin of the sewing machine corresponding to the working environment of a worker.
Description
Technical field
The present invention relates to a kind of Sewing machines, have by operation and can send the initiating signal that makes electric motor starting and make the pedal of the stop signal that motor stops and when ormal weight is following, sending the checkout gear of detection signal when the line surplus on the bottom line bobbin.
Background technology
Because the bobbin of bottom line is set in the bobbin case in the Sewing machines still, from visual observation less than, so be provided with to be contained in the checkout gear of the bottom line surplus that is used for detecting bobbin in the still recent years.
For example, as this checkout gear, store the more less slightly rotation number of rotation number (number of revolutions) of the machine spindle of making than the state that batches with the bottom line maximum on the bottom line bobbin in advance, on the other hand, signal from the eedle of eedle upper-lower position detector output or under the eedle, perhaps the rotating position signal of being exported by motor encoder is counted, and added up to calculate machine spindle rotation number when making, the device that detects the rotation number that arrives stored cumulative calculation is widely known by the people.And have the Sewing machines of such checkout gear, and have the device in the exchange period that when detecting, buzzer is rung to report bottom line, perhaps make Sewing machines, that is, the electrical motor of sewing machine automatic emergency is stopped and reporting the bottom line exchange warning device in period.
On Sewing machines with buzzer warning device, calculate revolution when accumulation and arrive stored rotation number, during by buzzer warning, perhaps on the bottom line bobbin during also remaining some sutures, the operator who makes exchanges the bottom line bobbin after having carried out remaining making.Therefore, this device must not leave the vestige that eedle comes off and make sewing thread trace continuous, is applicable to making when paying attention to sewing quality.
In addition, have on the Sewing machines that stops the Sewing machines rotating device, even stop the Sewing machines running in making, and the operator exchanges the bottom line bobbin after cutting off suture, making again of interruption begun, or take apart up to the stitching of making midway and also make again once more.Therefore, when stopping till, have bottom line to use up to surplus hardly on bobbin always, this device is applicable to making when paying attention to making cost or sewing efficiency.
But, in the time of with the buzzer warning device, in the factory of making of the big working environment of noise, the operator since around noise can't hear the warning of buzzer through regular meeting, the bottom line bobbin therefore will occur not exchanging and just begin the situation of making.
In order to prevent this problem, just consider the sound of buzzer is transferred greatly, so this has just more strengthened the noise in the factory, working environment is worsened.
Therefore, bottom line can run out making in the operation way of next step, the waste goods, or take suture apart and also make again, therefore, product quality is very poor.
In addition, in Sewing machines with the device that stops the Sewing machines running, when stopping the Sewing machines running, until Sewing machines all can not turn round till finishing exchange bottom line bobbin, even when also having a spot of bottom line can not stop Sewing machines running also to finish, also must cut off bottom line exchange bottom line bobbin.
In addition, Sewing machines in the past only has by ringing of buzzer and reports the bottom line bobbin exchange device in period, or reports any one device in the bottom line bobbin exchange device in period by stopping the Sewing machines running.
So just can not solve above-mentioned have the chief but the problem of shortage is arranged.
Summary of the invention
The present invention is for addressing the above problem, and its purpose is to provide a kind of Sewing machines, has the bottom line bobbin exchange period can reported reliably, simultaneously, can avoid the control device of exchange bottom line bobbin in the process of making as far as possible.
In addition, another object of the present invention is to provide a kind of Sewing machines, can report best bottom line bobbin and exchange period according to working environment.
For solving above-mentioned problem, the present invention's 1 Sewing machines, have by operation send the initiating signal that is used to drive Sewing machines and be used to stop the Sewing machines running stop signal pedal and when ormal weight is following, send the checkout gear of detection signal when the line surplus of bottom line bobbin; When in Sewing machines is driven, detecting described detection signal, can stop the running of Sewing machines automatically; It is characterized by, has control device, this control device, described stop automatically after, and when exporting described stop signal and initiating signal in order, with to send described detection signal irrelevant, the starting Sewing machines, described stop automatically after, and sending after the tangent line signal line surplus of described bottom line bobbin forbids driving Sewing machines according to the described initiating signal that sends not when ormal weight is above.
1 Sewing machines according to the present invention, because report exchange period by the action of Sewing machines, so, even in the very big working environment of noise, also can report the exchange period of bottom line bobbin more reliably to the operator, can avoid exchange bottom line bobbin in making simultaneously.
The present invention's 2 Sewing machines, have by operation can send the initiating signal that drives Sewing machines and stop the Sewing machines running stop signal pedal and when ormal weight is following, can send the checkout gear of detection signal when the line surplus of bottom line bobbin; It is characterized by, have when detecting described line amount by described checkout gear when ormal weight is following, report the 1st device that Sewing machines shuts down, with when detecting described line amount by described checkout gear when ormal weight is following, do not stop the Sewing machines running, but make the described the 1st to install effectively or make described the 2nd device effective choice device by the 2nd device and the selection that sound is reported.
2 Sewing machines according to the present invention, working environment that can be when making is reported exchange period of best bottom line bobbin.
Description of drawings
Fig. 1 is the control block diagram of Sewing machines of the present invention.
Fig. 2 is the control flow chart of the embodiment of the invention 1.
Fig. 3 is the control flow chart of the embodiment of the invention 2.
Among the figure: 1-pedal position detector, 2-CPU, 3-guidance panel, 4-motor driver, 5-motor, 6-motor encoder, 7-eedle position detector, 8-tangent line solenoid, 9-tangent line solenoid driver, 10-ROM, 11-RAM, 12-buzzer, 13-selector switch.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the invention 1 are elaborated.In Fig. 1, pedal position detector 1 is set on the not shown Sewing machines pedal, it has the operation that detects the position that pushes down on the pedal, and send driving signal and speed command signal in order to drive, perhaps detect the operation of pedal neutral position, and send to stopping the stop signal of Sewing machines, perhaps detect pedal and step on the operation of home position, and send well-known structure, and the initiating signal of detected Sewing machines for the tangent line signal that acts on thread cutting device (not shown), the tangent line signal, the running speed command signal of stop signal and Sewing machines etc. is exported to CPU.
Constitute the CPU2 of control device, when from pedal position detector 1 output initiating signal,, drive signal to motor 5 output motors, and make motor 5 runnings by motor driver 4 according to the set information that sets with the guidance panel 3 that has various buttons.
On motor 5, be provided with motor 5 revolutions 1 are enclosed the motor encoder 6 of exporting a plurality of pulse signals and detecting rotary speed, CPU2 controls the rotary speed of motor 5 according to the signal of this encoder.
In addition, on Sewing machines 1, be provided with the eedle position detector 7 that is used to detect sewing machine needle (not shown) upper-lower position, to the last position and the upper/lower positions of eedle, signal under signal and pin on the CPU2 output needle.CPU2 is according to this upper-lower position signal, count making pin number (pin number), perhaps when the time from pedal position detector 1 output stop signal, eedle stop position when Sewing machines is stopped is controlled motor 5 on assigned position, perhaps when from pedal position detector 1 output tangent line signal, determine to driving the moment of solenoid 8 to tangent line solenoid driver 9 output tangent line signals.
In addition, on CPU2, as storing control Sewing machines and the control program of motor and the ROM (non-momentary memory) 10 of control data storage device, be connected with the RAM (momentary memory) 11 that uses as temporary storage device, according to the information that is stored on these two storage devices, CPU2 carries out above-mentioned various controls to Sewing machines.
In addition, also be provided with instruction, can do that regulation is reported to the police and the buzzer 12 of ringing to the operator according to CPU2.
Below, the control flow of the formation present embodiment control device among Fig. 2 is described.In addition, for the structure of bottom line amount below ormal weight that can detect bottom line bobbin (not shown), since identical with conventional art, so omit to its explanation.
At first, in step S1, depress the operation of pedal to whether according to the operator, judge from pedal position detector 1 output initiating signal.When the output initiating signal, in step S2, motor driver 4 output motors are driven signal by CPU2, make motor 5 runnings, the starting Sewing machines.
Then, in step S3, the left amount of line that whether detects bottom line is judged that below ormal weight if judge below ormal weight, then in step S4, to motor driver 4 output motor stop signals, Sewing machines shuts down by CPU2.Here, the operator can by Sewing machines in the operation that depresses pedal shut down determine the bottom line bobbin the line residual quantity very little.In addition, at this moment, when Sewing machines shuts down, also can on the display unit of guidance panel 3 regulations, show, or buzzer 12 is rung at the appointed time with lamp.
Then, in step S5, when making pedal be in the operation of neutral position by the operator, during from pedal position detector 1 output stop signal, in step S6, judging whether to depress pedal once more the output initiating signal by the operator.
Then, in step S6, when being judged as the output initiating signal, in step S7, starting Sewing machines, and judge in step S8 whether pedal is operated in the neutral position, the output stop signal.
According to above-mentioned processing in step S5～S7, the operator makes pedal return the neutral position for the moment and then depresses after temporarily stopping Sewing machines, can not cut off suture like this and continues to make from the sewing position that stops.
In step S8,, in step S10, judge whether so by stepping on the operation of plate, by pedal position detector 1 output tangent line signal if do not operate in the neutral position of pedal.
In addition,, will stop the running of Sewing machines so at step S9, and return step S6, judge whether to depress pedal once more if in step S8, be judged as pedal operation in the neutral position.
In addition, if do not import initiating signal at step S6, then remaining stationary moves to step S10.
And in step S10, if be judged as operation output tangent line signal by pedal is stepped on, so in step S11, to tangent line solenoid driver 9 output tangent line signals and drive tangent line solenoid 8 and carry out tangent line, after cutting off suture, stop the Sewing machines running by CPU2.In addition, if in step S10, be not judged as output tangent line signal, then return step S6.
Therefore, the operator can be with pedal operation to the neutral position by detecting Sewing machines because of not having after the suture Sewing machines stops automatically, and then depress pedal operation, like this, can carry out, and cut off suture by the operation of stepping on plate up to the making of assigned position.
In addition, also can after stop automatically, step on plate and directly cut off suture.
In addition, in step S11, cut off suture and stop in step S12, judging whether to exchange the bottom line bobbin after the Sewing machines running.This judgement for example, can be undertaken by the specified key of operating operation panel 3, after the operator exchanges the bottom line bobbin, guidance panel is operated, and makes CPU2 learn that the exchange of bottom line bobbin finishes.
And the judgement in step S12 for example, also can be provided with and detect the loading and unloading detecting element pack into and unload the bottom line bobbin, by this detecting element, judges whether to detect and packs into or unload the bottom line bobbin.
In addition, also can send having or not of signal when ormal weight is following to the line surplus of described bottom line bobbin judges.
In step S12, finish bottom line bobbin when exchange when judging, move to step S1 again, carry out repeatedly same processing later on.
In addition,, export initiating signal from pedal position detector 1, also can not provide the indication of starting Sewing machines even in step S13, be judged as if in step S12, be judged as the exchange that does not also finish the bottom line bobbin.That is, forbid the Sewing machines starting.Then, in step S14,, perhaps make buzzer 12 stipulated number of ringing, inform the reason of Sewing machines fail to start and return step S12 by showing surely in guidance panel 3 enterprising professional etiquettes.In addition, if do not export initiating signal, also return step S12.
According to the processing of this step S12, can become just and when not exchanging the bottom line bobbin, just can not start Sewing machines, the operator just can reliably learn the swap time of bottom line bobbin.And be owing to the bottom line bobbin is not exchanged by the reason of quoting the Sewing machines fail to start, can further allow the operator confirm reliably like this.
In addition, if in step S3, be judged as line surplus on the bottom line bobbin not below ormal weight, in step S15～S18, just can generally control and return step S1 so by operating pedal.
Below, with reference to Fig. 1 and Fig. 3 embodiment 2 is described.The structure of present embodiment is, be provided with line surplus on detecting the bottom line bobbin when ormal weight is following, quote and stop the Sewing machines running, perhaps do not stopping under the situation of Sewing machines running carrying out the control shown in Fig. 3 flow process by CPU2 by the options button 13 (selection element) of sounding and reporting to the police.
In Fig. 3, behind the startup power supply, in step S21, selection mode according to options button 13, judge when detect line surplus on the bottom line bobbin below ormal weight in, be to stopping the 1st device that the Sewing machines running reports to the police effectively, still ought detect line surplus on the bottom line bobbin below ormal weight in, do not stop the Sewing machines running, but effective with the 2nd device of audible alarm.
In step S21,, for example handle according to the flow process of Fig. 2 of explanation among the embodiment 1 when being judged as the 1st device when effective.In addition, at this moment, shown in the step S6 among Fig. 2～S14, the control after Sewing machines stops not to be limited in the example of Fig. 2, for example, and also can starting in the output initiating signal in step S13.
In addition, in step S21, the 1st device is invalid when being judged as, and when promptly the 2nd device is effective, carries out the function of the 2nd device shown below at step S23.
At first, in step S23, when depressing pedal and judge from detector 1 output initiating signal, in step S24, start Sewing machines from pedal position by the operator.
Then, when in step S25, judge line residual volume on the bottom line bobbin below ormal weight in, in step 26, ring at the appointed time as the buzzer 12 of warning device.Here, the operator hear ringing of buzzer 12 and learn on the bobbin the line surplus seldom.In addition, when in step 25, judge line residual volume on the bottom line bobbin not below ormal weight in, buzzer 12 does not ring, and directly moves on to step S27.
Then, in step S27～S30, undertaken returning step S23 after the known general control by pedal operation.
As above-mentioned present embodiment, when judge line surplus on the bottom line bobbin below ormal weight in, can select to shut down and report to the police to the operator by options button 13 by the device of reporting to the police according to Sewing machines, perhaps not stopping the Sewing machines running reports to the police, the operator can the operating environment when making to select to set which warning device effective.
In addition, the present invention is not limited to the above embodiments, and concrete structure can according to circumstances suitably change.
For example, detect the device or the structure of the line surplus on the bottom line bobbin, in the present invention, be set at according to the maximum of bottom line on the bottom line bobbin that can make and be involved in the structure that state relatively detects the rotation number of the rotation number of machine spindle and accumulative total machine spindle, except this structure, on the peristome that is arranged on the bottom line bobbin, the moment in regulation is inserted test bar, and detect the structure that its insertion depth detects the bottom line surplus, perhaps use up on bobbin and shine, detect the structure of bottom line surplus by reverberation, can also detect the rotary speed of the rotary speed of Sewing machines and bottom line bobbin and they are compared structure of detecting the bottom line surplus etc. known, the present invention also can be applicable to these structures.
1 Sewing machines according to the present invention, owing to report exchange period by the action of Sewing machines, even the working environment that noise is very big, also can report the exchange period of bottom line bobbin reliably to the operator, simultaneously after cutting off suture, even the operator forgets exchange bottom line bobbin starting Sewing machines, also can forbid the Sewing machines starting and report to the police exchange bottom line bobbin once more, so, can further report exchange bottom line bobbin to the operator reliably, and can avoid exchange bottom line bobbin in sewing.
2 Sewing machines according to the present invention, because at the big working environment of noise, pay attention to reliability and stop the exchange period that Sewing machines turns round and reports the bottom line bobbin, and at quiet environment, pay attention to that efficient does not stop the Sewing machines running and period of reporting exchange bottom line bobbin by sound, so the working environment when making can be reported exchange period of best bottom line bobbin.
Claims (1)
1. Sewing machines, have by operation send be used to drive the initiating signal of Sewing machines and be used to stop the Sewing machines running stop signal pedal and when ormal weight is following, send the checkout gear of detection signal when the line surplus of bottom line bobbin;
When in Sewing machines is driven, detecting described detection signal, stop the running of Sewing machines automatically; It is characterized by,
Has control device, this control device, described stop automatically after, and when exporting described stop signal and initiating signal in order, described detection signal is irrelevant with sending, the starting Sewing machines, described stop automatically after, and sending after the tangent line signal line surplus of described bottom line bobbin forbids driving Sewing machines according to the described initiating signal that sends not when ormal weight is above.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000306958A JP2002113276A (en) | 2000-10-06 | 2000-10-06 | Sewing machine |
| JP306958/2000 | 2000-10-06 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710101846 Division CN101050588A (en) | 2000-10-06 | 2001-10-08 | Sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1348028A CN1348028A (en) | 2002-05-08 |
| CN100363547C true CN100363547C (en) | 2008-01-23 |
Family
ID=18787544
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011360860A Expired - Fee Related CN100363547C (en) | 2000-10-06 | 2001-10-08 | Sewing machine |
| CN 200710101846 Pending CN101050588A (en) | 2000-10-06 | 2001-10-08 | Sewing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710101846 Pending CN101050588A (en) | 2000-10-06 | 2001-10-08 | Sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002113276A (en) |
| CN (2) | CN100363547C (en) |
| CZ (1) | CZ20013597A3 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3973484B2 (en) * | 2002-05-14 | 2007-09-12 | Ｊｕｋｉ株式会社 | Sewing machine with thread trimmer |
| CN102337645A (en) * | 2010-07-24 | 2012-02-01 | 麻佰林 | Novel electronic bar tacking machine |
| CN105821596B (en) * | 2016-06-01 | 2018-11-16 | 杰克缝纫机股份有限公司 | A kind of bobbin thread for sewing machine excess detection method |
| JP6867139B2 (en) * | 2016-11-09 | 2021-04-28 | Juki株式会社 | Sewing machine bobbin winder and sewing machine |
| CN107151872A (en) * | 2017-05-31 | 2017-09-12 | 杰克缝纫机股份有限公司 | A kind of sewing machine shuttle peg detection identifying device and method |
| JP2020130767A (en) * | 2019-02-22 | 2020-08-31 | Juki株式会社 | sewing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523471A (en) * | 1991-07-22 | 1993-02-02 | Brother Ind Ltd | Bobbin thread remaining amount detecting device for sewing machine |
| US5682830A (en) * | 1994-12-28 | 1997-11-04 | Aisin Seiki Kabushiki Kaisha | Sewing machine |
| CN1188166A (en) * | 1997-01-17 | 1998-07-22 | 三菱电机株式会社 | Controller of sewing machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS598696Y2 (en) * | 1978-11-20 | 1984-03-17 | 松下電器産業株式会社 | Sewing machine bobbin thread remaining amount detection device |
| JPS55108389A (en) * | 1979-02-13 | 1980-08-20 | Matsushita Electric Ind Co Ltd | Device for detecting quantity of lower thread* which remain* of sewing machine |
| DE3446682C1 (en) * | 1984-12-21 | 1986-04-10 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Device for monitoring the bobbin thread supply of a sewing machine |
| JPH0679636B2 (en) * | 1985-04-04 | 1994-10-12 | ブラザー工業株式会社 | Lower thread remaining amount detector for sewing machine |
| JPH0679637B2 (en) * | 1985-05-01 | 1994-10-12 | ブラザー工業株式会社 | Lower thread remaining amount detector for sewing machine |
| JPH02255177A (en) * | 1989-03-29 | 1990-10-15 | Niimi Shishiyuu:Kk | Bobbin thread monitoring device |
| JP3194432B2 (en) * | 1990-10-30 | 2001-07-30 | ブラザー工業株式会社 | Sewing machine lower thread remaining amount detection device |
| JPH06190176A (en) * | 1992-12-26 | 1994-07-12 | Nippon Densan Corp | Bobbin thread supply structure of sewing machine |
| JPH07303781A (en) * | 1994-03-18 | 1995-11-21 | Juki Corp | Controller for automatic sewing machine |
| JP4017195B2 (en) * | 1994-10-18 | 2007-12-05 | 蛇の目ミシン工業株式会社 | Embroidery sewing machine that can display the seam forming range |
| JP3900306B2 (en) * | 1994-11-09 | 2007-04-04 | 蛇の目ミシン工業株式会社 | Embroidery sewing machine that can display sewing patterns |
| JPH10179970A (en) * | 1996-11-08 | 1998-07-07 | Brother Ind Ltd | Sewing machine |
-
2000
- 2000-10-06 JP JP2000306958A patent/JP2002113276A/en active Pending
-
2001
- 2001-10-05 CZ CZ20013597A patent/CZ20013597A3/en unknown
- 2001-10-08 CN CNB011360860A patent/CN100363547C/en not_active Expired - Fee Related
- 2001-10-08 CN CN 200710101846 patent/CN101050588A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523471A (en) * | 1991-07-22 | 1993-02-02 | Brother Ind Ltd | Bobbin thread remaining amount detecting device for sewing machine |
| US5682830A (en) * | 1994-12-28 | 1997-11-04 | Aisin Seiki Kabushiki Kaisha | Sewing machine |
| CN1188166A (en) * | 1997-01-17 | 1998-07-22 | 三菱电机株式会社 | Controller of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1348028A (en) | 2002-05-08 |
| JP2002113276A (en) | 2002-04-16 |
| CZ20013597A3 (en) | 2003-08-13 |
| CN101050588A (en) | 2007-10-10 |
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Granted publication date: 20080123 Termination date: 20101008 |