CN101532223A - Automatic braid-cutting device and working method for sewing of overedging machine - Google Patents
Automatic braid-cutting device and working method for sewing of overedging machine Download PDFInfo
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- CN101532223A CN101532223A CN200910022087A CN200910022087A CN101532223A CN 101532223 A CN101532223 A CN 101532223A CN 200910022087 A CN200910022087 A CN 200910022087A CN 200910022087 A CN200910022087 A CN 200910022087A CN 101532223 A CN101532223 A CN 101532223A
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Abstract
The invention relates to an automatic braid-cutting device and a working method for sewing of an overedging machine. The prior industrial overedging machine basically completes the process of cutting remained thread-braids by a manually cutting mode; even if an automatic braid-cutting device is arranged, the machine is not suitable to be applied in large scale because of complicated structure, difficult operation, high cost, and the like. The automatic braid-cutting device comprises a controller, an inductor, a main shaft, an electromagnetic drive device and a cutting mechanism, wherein a stitching counter is arranged inside the controller; a speed regulator is arranged below a bedplate; the stitching counter and the main shaft are in electrical connection; the speed regulator and the inductor are connected into the controller in parallel; the controller is connected with the electromagnetic drive device; and the cutting of remained thread-braids can be realized by counting delay through the stitching counter, performing protection on a sewing material by the inductor and controlling the cutting mechanism by the controller. The device has a simple structure and convenient use, and can realize mutual conversion of automatic cutting and manual cutting.
Description
Technical field
The invention belongs to the stitching process field, be specifically related to the method for work that pigtail device and this device are cut in a kind of overlock machine sewing automatically.
Background technology
Existing industrial overlock machine is that the mode of manually cutting with scissors is finished the operation that the line pigtail is left in the sewings front and back, wasting manpower and material resources basically; Part is equipped with thread cutting mechanism, but all is that the operative employee utilizes the position of the definite sewings of range estimation to finish shearing, and the shear line pigtail is different in size; Also have minority to adopt the outer direct reflection electric eye of presser feet, when locomotive rotates certain stroke, the reflection electric eye can detect back action cutting mechanism to sewings automatically, but because of making worker's motion action lack of standardization, shelter from the reflection electric eye easily sometimes, and make reflection the electric eye accurately position of location slit goods and error of transmission signal, cause cutting mechanism to shift to an earlier date or the deferred action shearing, and sewings is cut into waste product, or failing to shear stays line and debates, and still needs manually to carry out shear treatment.The patent No. has been announced " a kind of front and rear automatic shear line device of overedger sewing products " in the patent document of " 200720075954.4 ", it adopts and synchronous scanning photoelectricity group is set before and after the sewings and comes the location slit product location, control driving electromagnetism or pneumatic clipper cutoff knife rack by the optoelectronic induction mode, the automatic shearing that line is debated before and after realizing.It exists following weak point: 1, complex structure: synchronous scanning photoelectricity group need be made up of transmitter more than 2 and the receiver more than 2 when detecting automatically; 2, operation easier height, result of use are undesirable: during shearing, detect by front and back synchronous scanning photoelectricity group, need accept photoelectricity this moment accepts with the cone-shaped of the closed light path formation certain angle of emission photoelectricity correlation, tangent with sewings formation certain angle, after transmission photoelectricity group of sewings blocking could form the closed-loop path, send shear signal, and then trigger and shear executing agency, difficult because of operating, the situation of being failure to actuate appears sometimes.3, cost height: not only equipment cost height, and maintenance cost height, simultaneously operator's requirement is also increased, therefore be unsuitable for producing on a large scale use.
Summary of the invention
The purpose of this invention is to provide the sewing of a kind of overlock machine and cut pigtail device and method of work automatically, to solve complex structure that prior art exists, operation easier height, result of use is undesirable and cost is high problem.
For achieving the above object, the technical solution adopted in the present invention is: the pigtail device is cut in a kind of overlock machine sewing automatically, comprise controller, inductor, main shaft, drive motors, solenoid actuated device and cutting mechanism, the solenoid actuated device connects with cutting mechanism, inductor is fixedly set in seam platform below, place, working region at inductor is embedded with transparent division board, it is characterized in that: the speed regulator that also comprises the pin counter that is arranged at controller inside and be positioned at the platen below, between pin counter and the main shaft for being electrically connected, speed regulator and the inductor access controller that walks abreast, controller connects the solenoid actuated device.
Also be connected with pin on the above-mentioned speed regulator and step on switch.
The pigtail device is cut in above-mentioned overlock machine sewing automatically, and its workflow comprises following steps:
1) initial: as to turn on the power switch;
2) check the speed regulator input state;
3) whether controller detection input original state exists; Have execution in step 15), do not exist, carry out next step;
4) whether the initial trimming of controller detection input exists; Have execution in step 16), do not exist, carry out next step;
5) whether controller detection input sewing state exists; Do not have execution in step 17), exist, carry out next step;
6) controller control beginning sewing;
7) whether inductor detection sewing exists; Do not exist, return step 2), exist, carry out next step;
8) the pin counter begins counting;
9) inductor detects and whether arrives pigtail position, front; Do not arrive, it is rapid to return previous step, arrives, and carries out next step;
10) the pin counter is counted once more;
11) cutting mechanism is carried out trimming, and the pin counter is removed counting;
12) whether inductor detects sewing once more and exists; Exist, continue to detect, do not exist, carry out next step;
13) inductor detects and whether arrives line pigtail position, back; Do not arrive, it is rapid to return previous step, arrives, and carries out next step;
14) cutting mechanism is carried out the trimming trimming, and the pin counter is removed counting; Return step 2);
15) controller stops the sewing state; Return step 2;
16) whether inductor detection sewing exists; Have execution in step 14), do not exist, return step 2);
17) speed regulator fault alarm, controller are controlled current operation and are stopped.
The present invention has the following advantages with respect to prior art:
1, simple in structure, simple and convenient is installed, device is finished all automatically and is sheared control action, need not to take two the line pigtails in scissor cut front and back with hand by the operative employee, do not influence sewing operation at a high speed, the operative employee only needs to get final product according to normal sewing process operations, need not between two products to pause, and has improved the sewing work efficiency.
2, for the maloperation that occurs, because the setting of inductor, shear can not move under the situation that sewing exists yet, and effectively protects sewing.
3, can realize shearing automatically and artificial conversion of shearing, avoid the damp production that brings because of outage.
Description of drawings:
Fig. 1 is a principle of the invention block diagram;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is a program flow diagram of the present invention;
Among the figure, the 1-speed regulator, the 2-controller, 3-pin counter, the 4-inductor, 5-solenoid actuated device, the 6-cutting mechanism, the 7-pin is stepped on switch, the 8-division board.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done and to explain:
Referring to Fig. 1, Fig. 2, the pigtail device is cut in a kind of overlock machine sewing automatically, comprise the seam platform, main shaft, spindle drive motor, solenoid actuated device 5, cutting mechanism 6, inductor 4, controller 2 and the speed regulator 1 that is arranged at the pin counter 3 of controller 2 inside and is positioned at the platen below, wherein, inductor 4 adopts a kind of reflective photoelectric switch, be installed in overlock machine seam platform below, the place, working region of inductor 4 is embedded with transparent division board 8 on the seam platform, pin counter 3 be installed on the overlock machine spindle drive motor and and main shaft between by being electrically connected, speed regulator 1 and inductor 4 parallel access controllers 2, controller 2 connects and can control 5 actions of solenoid actuated device, solenoid actuated device 5 is connected with cutting mechanism 6, cutting mechanism 6 is realized the function of shear line pigtail by 5 actions of solenoid actuated device, and speed regulator 1 also is connected with pin and steps on switch 7, pin is stepped on switch 7 and is led to the speed regulator 1 that connects and also can control cutting mechanism 6 action, shears.
Referring to Fig. 3, the pigtail device is cut in overlock machine sewing of the present invention automatically, and its workflow comprises following steps:
1) initial, open switch;
2) check speed regulator 1 input state;
3) whether controller 2 detection input original states exist; Have execution in step 15), do not exist, carry out next step;
4) whether the initial trimming of controller 2 detection inputs exists; Have execution in step 16), do not exist, carry out next step;
5) whether controller 2 detection input sewing states exist; Do not have execution in step 17), exist, carry out next step;
6) begin sewing;
7) whether inductor 4 detection sewings exist; Do not exist, return step 2), exist, carry out next step;
8) pin counter 3 begins counting;
9) inductor 4 detects and whether arrives pigtail position, front; Do not arrive, it is rapid to return previous step, arrives, and carries out next step;
10) pin counter 3 is counted once more;
11) cutting mechanism 5 is carried out trimming, and pin counter 3 is removed counting;
12) whether inductor 4 detects sewing once more and exists; Exist, continue to detect, do not exist, carry out next step;
13) inductor 4 detects and whether arrives line pigtail position, back; Do not arrive, it is rapid to return previous step, arrives, and carries out next step;
14) cutting mechanism 6 is carried out trimming, and pin counter 3 is removed counting; Return step 2);
15) stop sewing; Return step 2);
16) whether inductor 4 detection sewings exist; Have execution in step 14), do not exist, return step 2);
17) speed regulator 1 fault alarm, the current operation of controller 2 controls stops.
And in the operation of step 11) was carried out, the line pigtail was not cut or when not cutting off phenomenon, the manually-operated pin is stepped on switch 7 if take place, and cutting mechanism 6 can be carried out the shear line pigtail.
The pigtail device is cut in overlock machine sewing of the present invention automatically, because inductor 4 adopts a kind of reflective photoelectric switch, and be installed on the workbench, can be used for detecting and whether have sewing to exist on the work at present platform, if entered the sewing state from no sewing state, be the sewing incipient stage, if, be the sewing ending phase from there being the sewing state to enter no sewing state; When on the workbench sewing being arranged, have the signal of telecommunication and reach controller 2, when not having sewing, no signal is to controller 2, and the signal that controller 2 sends according to inductor 4 has or not the state that just can detect current sewing, and then determines whether to drive cutting mechanism 6 actions; And the existence of inductor 4; step on switch 7 even step on pin; because the existence of sewing on the seam platform; controller 5 is not controlled solenoid actuated device 5 yet and is gone to drive cutting mechanism 6 realization shearings; because the detection signal of telecommunication of inductor 4 makes the controller 2 can not drive controlling cutting mechanism 6, realize protection to sewing, pin counter 3 is installed on the spindle drive motor; be used to calculate the pin number of sewing, realize that pin number necessary in the sewing process postpones.
The pigtail device is cut in overlock machine sewing of the present invention automatically, and its concrete operation element process is as follows:
Processing in batch sewing segmentation product or during the bulk-breaking product, when the operative employee with a sewing as for workbench on, inductor 4 detects the existence of sewing, promptly sew the incipient stage, pin counter 3 opening entries operation pin number, this moment, sewing was not below eedle, making of this moment can produce a sewing front end of line pigtail, when the sewing forward position moves to cutter location, enter the sewing done state, controller 2 drive magnet drive units 5 make cutting mechanism 6 actions, finish the shearing work of sewing front end of line pigtail, pin counter 3 stops counting and zero clearing, this moment, controller 2 judged whether sewing moves to cutter location, be to go out the pin number of needs operation, and then judge according to the operation pin number that pin counter 3 writes down whether sewing arrives cutter location according to the stitch of current head setting size and sewing original position to two calculation of parameter of distance of cutting knife; Sewing leaves inductor 4 in the process of making, and the inductor 4 no signals of telecommunication reach controller 2, and controller 2 can be judged and enter the sewing done state, and at this moment, pin counter 3 is opening entry operation pin number again, cuts pigtail next time.
If during the phenomenon that generation line pigtail is not cut or do not cut off, but the manually-operated pin is stepped on switch 7, at this moment, pin is stepped on switch 7 also can make cutting mechanism 6 actions by the speed regulator 1 that connects, and carries out artificial trimming.
Claims (3)
1, the pigtail device is cut in a kind of overlock machine sewing automatically, comprise controller (2), inductor (4), main shaft, drive motors, solenoid actuated device (5) and cutting mechanism (6), wherein, solenoid actuated device (5) connects with cutting mechanism (6), inductor (4) is fixedly set in overlock machine seam platform below, place, working region at inductor (4) is embedded with transparent division board (9), it is characterized in that: also comprise the speed regulator (1) that is arranged at the inner pin counter (3) of controller (2) and is positioned at the platen below, between pin counter (3) and the main shaft for being electrically connected, speed regulator (1) and inductor (4) access controller (2) that walks abreast, controller (2) connects solenoid actuated device (5).
2, the pigtail device is cut in a kind of overlock machine sewing according to claim 1 automatically, it is characterized in that: also be connected with pin on the described speed regulator (2) and step on switch (7).
3, the described overlock machine of a kind of claim 1 sewing method of work of cutting the pigtail device automatically is characterized in that: comprise following steps
1) initial: as to turn on the power switch;
2) check speed regulator (1) input state;
3) whether controller (2) detection input original state exists; Have execution in step 15), do not exist, carry out next step;
4) whether the initial trimming of controller (2) detection input exists; Have execution in step 16), do not exist, carry out next step;
5) whether controller (2) detection input sewing state exists; Do not have execution in step 17), exist, carry out next step;
6) controller (2) control beginning sewing;
7) whether inductor (4) detection sewing exists; Do not exist, return step 2), exist, carry out next step:
8) pin counter (3) begins counting;
9) inductor (4) detects and whether arrives pigtail position, front; Do not arrive, it is rapid to return previous step, arrives, and carries out next step;
10) pin counter (3) is counted once more;
11) cutting mechanism (6) is carried out trimming, and pin counter (3) is removed counting;
12) whether inductor (4) detects sewing once more and exists; Exist, continue to detect, do not exist, carry out next step;
13) inductor (4) detects and whether arrives line pigtail position, back; Do not arrive, it is rapid to return previous step, arrives, and carries out next step;
14) cutting mechanism (6) is carried out the trimming trimming, and pin counter (3) is removed counting; Return step 2);
15) controller (2) stops the sewing state; Return step 2);
16) whether inductor (4) detection sewing exists; Have execution in step 14), do not exist, return step 2);
17) speed regulator (1) fault alarm, the current operation of controller (2) control stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100220871A CN101532223B (en) | 2009-04-17 | 2009-04-17 | Automatic braid-cutting device and working method for sewing of overedging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100220871A CN101532223B (en) | 2009-04-17 | 2009-04-17 | Automatic braid-cutting device and working method for sewing of overedging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101532223A true CN101532223A (en) | 2009-09-16 |
| CN101532223B CN101532223B (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100220871A Active CN101532223B (en) | 2009-04-17 | 2009-04-17 | Automatic braid-cutting device and working method for sewing of overedging machine |
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| CN102605570A (en) * | 2012-03-30 | 2012-07-25 | 西安标准工业股份有限公司 | Sewing machine with automatic cloth tape shearing mechanism and application method thereof |
| CN102634935A (en) * | 2012-03-13 | 2012-08-15 | 西安标准工业股份有限公司 | Method capable of effectively improving sewing stitches |
| CN102634936A (en) * | 2012-03-13 | 2012-08-15 | 西安标准工业股份有限公司 | Method for assisting thread clamping electromagnet to improve sewing stitches |
| CN102817187A (en) * | 2012-08-06 | 2012-12-12 | 西安标准工业股份有限公司 | Method for assisting thread-clamping electromagnet in effectively improving sewing stitches |
| CN102888721A (en) * | 2012-09-27 | 2013-01-23 | 庄卫东 | Thread trimming mechanism of electric sewing machine |
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| JPS5543799B2 (en) * | 1973-05-30 | 1980-11-08 | ||
| CN201400773Y (en) * | 2009-04-17 | 2010-02-10 | 西安标准工业股份有限公司 | Sewing automatic braid cutting device of cup seaming machine |
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| CN102634936A (en) * | 2012-03-13 | 2012-08-15 | 西安标准工业股份有限公司 | Method for assisting thread clamping electromagnet to improve sewing stitches |
| CN102605570A (en) * | 2012-03-30 | 2012-07-25 | 西安标准工业股份有限公司 | Sewing machine with automatic cloth tape shearing mechanism and application method thereof |
| CN102817187A (en) * | 2012-08-06 | 2012-12-12 | 西安标准工业股份有限公司 | Method for assisting thread-clamping electromagnet in effectively improving sewing stitches |
| CN102888721A (en) * | 2012-09-27 | 2013-01-23 | 庄卫东 | Thread trimming mechanism of electric sewing machine |
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