CN103397473A - Broken yarn protection system of warp knitting machine - Google Patents
Broken yarn protection system of warp knitting machine Download PDFInfo
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- CN103397473A CN103397473A CN2013103406756A CN201310340675A CN103397473A CN 103397473 A CN103397473 A CN 103397473A CN 2013103406756 A CN2013103406756 A CN 2013103406756A CN 201310340675 A CN201310340675 A CN 201310340675A CN 103397473 A CN103397473 A CN 103397473A
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Abstract
The invention provides a broken yarn protection system of a warp knitting machine, and belongs to the technical field of spinning. The broken yarn protection system of the warp knitting machine solves the problems that yarn in an existing warp knitting machine is easy to break, and therefore machine faults can easily happen in a following mode. According to the broken yarn protection system of the warp knitting machine, the warp knitting machine comprises a machine frame and a yarn-feeding rolling barrel arranged on the machine frame, and the yarn-feeding rolling barrel is driven to rotate by a drive motor. The broken yarn protection system comprises an air outlet pipe, an infrared emitter and an infrared receiver, wherein the air outlet pipe is fixed to the machine frame and is parallel to the yarn-feeding rolling barrel, the infrared emitter is fixed to one end of the machine frame, the infrared receiver is fixed to the other end of the machine frame, the infrared emitter faces the infrared receiver, an inducing straight line is located on one side of yarn, the air outlet pipe is located on the other corresponding side of the yarn, and a plurality of air outlet holes facing the yarn are formed in the pipe body of the air outlet pipe. According to the broken yarn protection system of the warp knitting machine, when yarn is broken in the operating process, the drive motor can be automatically controlled to stop working so as to remind working personnel to replace the yarn, and accordingly machine faults are avoided.
Description
Technical field
The invention belongs to textile technology field, relate to the breaking protection system of a kind of warp knitting machine, particularly a kind of warp knitting machine.
Background technology
Warp knitting machine mainly is comprised of knitting mechanism, guide bar shogging mechanism, warp-feeding mechanism, tractive spooler and transmission mechanism.The wide adaptability of warp knitting machine to raw material and fabric variety, machine productivity is higher, thereby development is very fast.
1. knitting mechanism comprises needle-bar, sley bar, sinker bed and pressing plate, generally by cam or eccentric ratio transmission.
2. guide bar shogging mechanism, make sley bar in knitting cycle according to knitted fabric tissue require traversingly, warp thread is padded on pin, in order to be made into the knitted fabric with certain institutional framework.
3. warp-feeding mechanism, move back solution to the warp thread on warp beam and get off, and sends into knitting zone.
4. the effect of tractive spooler is by fabric, from knitting zone, to pull out and be wound into yardage roll with predetermined speed.
5. transmission mechanism is mainly driven by drive motors.
Development along with warp knitting machine; improving constantly of mechanical performance; some problems have also been supervened in actual use; such as in the tractive coiling process; usually there will be the situation of yarn breakage, in case this situation occurs, must close drive motors at once; change yarn, to guarantee warp knitting machine, continue stable operation.But whether yarn ruptures and all through the operator, is observed visually at present, thereby close drive motors, quits work, in order to change yarn; If run into the operator that has defective vision or operator, work half-heartedly, warp knitting machine works on, and warp knitting machine is broken down, so, when running into the situation of yarn breakage, must in time change the yarn of fracture, thereby warp knitting machine is worked on.And, adopt manual observation to close drive motors and change yarn, not only efficiency is low, and workload is large, and is unfavorable for operator's continuous firing.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of breaking protection system of warp knitting machine, this broken wire protecting equipment has can be in the situation that the automatic out-of-work characteristics of fracture appear in the yarn in warp knitting machine.
purpose of the present invention can realize by following technical proposal: a kind of breaking protection system of warp knitting machine, described warp knitting machine comprises frame and is arranged on the some rollers of line sending for delivery of yarn on frame, described line sending roller drives its rotation by drive motors, it is characterized in that, this broken wire protecting equipment comprises the discharge pipe that is fixed on frame and is parallel to each other with the line sending roller, RF transmitter and infrared receiver, described RF transmitter is fixed on frame one end, infrared receiver is fixed on the frame other end, and RF transmitter is towards described infrared receiver, RF transmitter and infrared receiver form an induction straight line, described induction straight line is in a side of yarn, described discharge pipe is in the corresponding opposite side of yarn, on the body of described discharge pipe, offer some exhaust vents towards yarn, described discharge pipe one end is blind end, the discharge pipe other end is the air-supply end, described air-supply end can be connected toward the wind pushing mechanism of blowing in ajutage with one, and described infrared receiver also can make the out-of-work controlling organization of drive motors be connected with one.
The breaking protection system of this warp knitting machine, its operation principle is such, the line sending roller that drive motors drives on frame rotates, thereby drive yarn, carries, and is normal if yarn is carried, the RF transmitter normal transmission, infrared receiver normally receives; When the situation that yarn breakage occurs, yarn is under the effect of wind pushing mechanism and exhaust vent, towards the induction straight line, sail, when yarn is in this induction straight line, yarn has intercepted the reception of infrared receiver, infrared receiver passes to controlling organization by information, and controlling organization is controlled drive motors again and quit work, and the staff just can carry out the maintain and replace yarn.
In the breaking protection system of above-mentioned warp knitting machine; described controlling organization comprises PLC Programmable Logic Controller and alarm bell; described PLC Programmable Logic Controller and alarm bell all are fixed on frame, and above-mentioned infrared receiver is connected with described PLC Programmable Logic Controller with circuit two by circuit one respectively with drive motors.Infrared receiver can pass to the information that receives the PLC Programmable Logic Controller, and normal if infrared receiver receives, alarm bell does not ring, the warp knitting machine normal operation; If it is normal that yarn breakage, infrared receiver connect blocking-up, alarm bell is reported to the police, and warp knitting machine quits work.
As another situation; in the breaking protection system of above-mentioned warp knitting machine; described controlling organization comprises controller and buzzer; described controller and buzzer all are fixed on frame; the input of described controller is connected with above-mentioned infrared receiver; the output of described controller is connected with relay, and described relay is connected with drive motors, and the output of described controller also is connected with buzzer by circuit.When the situation that yarn breakage occurs, the yarn of fracture is under the effect of wind pushing mechanism, blow to the induction straight line that is formed by RF transmitter and infrared receiver, infrared receiver collects the yarn breakage signal and the yarn breakage signal is flowed to controller, controller output control signal control relay disconnects drive motors, drive motors stops operating, and with Time Controller output control signal, controls the buzzer ring, and prompting staff yarn breakage need be closed drive motors and change yarn.
in the breaking protection system of above-mentioned warp knitting machine, described wind pushing mechanism comprises blower fan, tube connector, volume damper and air flow sensor, described blower fan is fixed on frame, described volume damper one end is fixed on the air outlet place of blower fan, described tube connector is arranged between the air-supply end of the volume damper other end and above-mentioned discharge pipe, described air flow sensor is arranged in above-mentioned discharge pipe, air flow sensor is connected with above-mentioned PLC Programmable Logic Controller by circuit three, described circuit three is passed by above-mentioned exhaust vent, described volume damper is connected with described PLC Programmable Logic Controller by circuit four.
Blower fan is transported to wind in discharge pipe by volume damper and tube connector; In the PLC Programmable Logic Controller, set an airflow value, when air flow sensor is sensed air quantity less than setting value, air flow sensor passes to the PLC Programmable Logic Controller to information, PLC Controlled by Programmable Controller volume damper makes the open degree of volume damper become large, makes so enough yarn to be blowed to the induction straight line from the wind-force of going out exhaust vent.
In the breaking protection system of above-mentioned warp knitting machine, described air flow sensor is arranged on between blind end nearest exhaust vent and blind end, and described circuit three is by in the nearest exhaust vent of blind end, passing.Air flow sensor can the Real-time Collection discharge pipe on from the wind-force signal of the nearest exhaust vent of blind end.
In the breaking protection system of above-mentioned warp knitting machine, the cross section of described exhaust vent is rounded, and the distance between the hole heart of described every two adjacent exhaust vents is all identical, and the aperture of described exhaust vent refers to that by the air-supply end blind end becomes large successively.The wind that exhaust vent blows out can be given outside power of yarn, and such design can make the air quantity that each exhaust vent blows out can be even, thus the stability while improving normal delivered yarn.
In the breaking protection system of above-mentioned warp knitting machine, described infrared receiver is fixed by screws on frame, on the bottom of described infrared receiver, also is fixed with phase magnet, and described phase magnet is adsorbed on described frame.First by phase magnet, infrared receiver is positioned, then infrared receiver is adjusted to angle, finally by screw, infrared receiver is fixed, easy to operate, and Aligning degree is high.
In the breaking protection system of above-mentioned warp knitting machine, described tube connector is bellows.Bellows has good extension retractility, with connecting fan and discharge pipe more easily.
In the breaking protection system of above-mentioned warp knitting machine; described relay comprises normal open switch and coil; described controller output end is connected with an end of normal open switch, and the other end of described normal open switch is connected with drive motors, and output and the coil of described controller are connected to form loop.Controller output control signal control coil disconnects, and therefore the normal open switch of adhesive originally disconnects, and drive motors stops operating.
Compared with prior art, the breaking protection system of this warp knitting machine has the following advantages:
1, the present invention provides outside power by blower fan, tube connector and discharge pipe for yarn, and is simple in structure, effective.
2,, owing on discharge pipe, from the close-by examples to those far off being provided with some large exhaust vents that become successively, under the effect of blower fan, can make to blow out wind-force from air outlet even, thereby improve the stability of yarn transportation.
3, the present invention, by the keying of PLC Controlled by Programmable Controller drive motors and the size of regulating volume damper, can effectively improve the automaticity of warp knitting machine.
4, adopt phase magnet that infrared receiver is positioned, then infrared receiver is adjusted to angle, finally by screw, infrared receiver is fixed, making to respond to straight line can parallel with discharge pipe, easy to operate, and Aligning degree is high.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of facing of the present invention;
Fig. 3 is the structured flowchart of another kind of technical scheme in the present invention.
In figure, 1, frame; 2, line sending roller; 3, drive motors; 4, discharge pipe; 4a, exhaust vent; 5, RF transmitter; 6, infrared receiver; 7, PLC Programmable Logic Controller; 8, alarm bell; 9, wind pushing mechanism; 91, blower fan; 92, tube connector; 93, volume damper; 94, air flow sensor; 10, phase magnet.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment mono-
As shown in Figure 1, a kind of warp knitting machine, comprise frame 1 and be arranged on the some rollers of line sending for delivery of yarn 2 on frame 1, and line sending roller 2 drives it by drive motors 3 and rotates, and drive motors 3 is fixed on a side of frame 1 by fixed head one; As shown in Figure 2, a kind of breaking protection system of warp knitting machine, comprise the discharge pipe 4, RF transmitter 5 and the infrared receiver 6 that are fixed on frame 1 and are parallel to each other with line sending roller 2, RF transmitter 5 is fixed on frame 1 one ends, infrared receiver 6 is fixed on frame 1 other end, and RF transmitter 5 is towards infrared receiver 6, RF transmitter 5 and infrared receiver 6 form an induction straight line, and the induction straight line is in a side of yarn, and infrared receiver 6 also can make the out-of-work controlling organization of drive motors 3 be connected with one; Discharge pipe 4 is in the corresponding opposite side of yarn, on the body of discharge pipe 4, offer some 4a of exhaust vent towards yarn, discharge pipe 4 one ends are blind end, the other end is the air-supply end, exhaust vent 4a axially is evenly arranged successively along discharge pipe 4, and air-supply end can be connected toward the wind pushing mechanism 9 of blowing in ajutage with one.Concrete, infrared receiver 6 is fixed by screws on frame 1, on the bottom of infrared receiver 6, also be fixed with phase magnet 10, phase magnet 10 is adsorbed on frame 1, first by phase magnet 10, infrared receiver 6 is positioned, then infrared receiver 6 is adjusted to angle, finally by screw, infrared receiver 6 is fixed, easy to operate, and Aligning degree is high.
Specifically, controlling organization comprises PLC Programmable Logic Controller 7 and alarm bell 8, and PLC Programmable Logic Controller 7 and alarm bell 8 all are fixed on frame 1, and infrared receiver 6 is connected with PLC Programmable Logic Controller 7 with circuit two by circuit one respectively with drive motors 3.The information that infrared receiver 6 can will receive passes to PLC Programmable Logic Controller 7, and normal if infrared receiver 6 receives, alarm bell 8 does not ring, the warp knitting machine normal operation; If it is normal that yarn breakage, infrared receiver 6 connect blocking-up, alarm bell 8 is reported to the police, and warp knitting machine quits work.
more particularly, wind pushing mechanism 9 comprises blower fan 91, tube connector 92, volume damper 93 and air flow sensor 94, blower fan 91 is fixed on a side of frame 1 by fixed head two, volume damper 93 1 ends are fixed on the air outlet place of blower fan 91, tube connector 92 is arranged between the air-supply end of volume damper 93 other ends and discharge pipe 4, air flow sensor 94 is arranged in discharge pipe 4, and air flow sensor 94 is connected with PLC Programmable Logic Controller 7 by circuit three, circuit three can be passed by exhaust vent 4a, volume damper 93 is connected with PLC Programmable Logic Controller 7 by circuit four.Concrete, air flow sensor 94 is arranged on between blind end nearest exhaust vent 4a and blind end, and circuit three is by in the nearest exhaust vent 4a of blind end, passing.The cross section of exhaust vent 4a is rounded, and the distance between the hole heart of every two adjacent exhaust vent 4a is all identical, and the aperture of exhaust vent 4a refers to that by the air-supply end blind end becomes large successively.The wind that exhaust vent 4a blows out can be given outside power of yarn, and the air quantity that such design blows out each exhaust vent 4a can be even, the stability while improving normal delivered yarn.Blower fan 91 is transported to wind in discharge pipe 4 by volume damper 93 and tube connector 92; In PLC Programmable Logic Controller 7, set an airflow value, when air flow sensor 94 is sensed air quantity less than setting value, air flow sensor 94 passes to PLC Programmable Logic Controller 7 to information, PLC Programmable Logic Controller 7 is controlled volume damper 93 becomes greatly the open degree of volume damper 93, makes so enough yarn to be blowed to the induction straight line from the wind-force of going out exhaust vent 4a.In the present embodiment, tube connector 92 is bellows.
The breaking protection system of this warp knitting machine, its operation principle is such, the line sending roller 2 that drive motors 3 drives on frame 1 rotates, thereby drive yarn, carries, and is normal if yarn is carried, RF transmitter 5 normal transmission, infrared receiver 6 normally receives; When the situation that yarn breakage occurs, yarn is under the effect of blower fan 91, tube connector 92 and exhaust vent 4a, towards the induction straight line, sail, when yarn is in this induction straight line, yarn has intercepted the reception of infrared receiver 6, infrared receiver 6 passes to PLC Programmable Logic Controller 7 by information, and PLC Programmable Logic Controller 7 is controlled drive motors 3 again and quit work, and the staff just can carry out the maintain and replace yarn.
Embodiment bis-
The present embodiment is basic identical with structure and the principle of embodiment mono-, and different place is: in embodiment mono-, controlling organization comprises PLC Programmable Logic Controller and alarm bell; And in the present embodiment two, as shown in Figure 3, controlling organization comprises controller and buzzer, controller and buzzer all are fixed on frame, the input of controller is connected with infrared receiver, the output of controller is connected with relay, and relay is connected with drive motors, and the output of controller also is connected with buzzer by circuit.Concrete, relay comprises normal open switch and coil, controller output end is connected with an end of normal open switch, the other end of normal open switch is connected with drive motors, output and the coil of controller are connected to form loop, controller output control signal control coil disconnects, and therefore the normal open switch of adhesive originally disconnects, and drive motors stops operating.When the situation that yarn breakage occurs, the yarn of fracture is under the effect of wind pushing mechanism, blow to the induction straight line that is formed by RF transmitter and infrared receiver, infrared receiver collects the yarn breakage signal and the yarn breakage signal is flowed to controller, controller output control signal control relay disconnects drive motors, drive motors stops operating, and with Time Controller output control signal, controls the buzzer ring, and prompting staff yarn breakage need be closed drive motors and change yarn.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used 1, frame; 2, line sending roller; 3, drive motors; 4, discharge pipe; 4a, exhaust vent; 5, RF transmitter; 6, infrared receiver; 7, PLC Programmable Logic Controller; 8, alarm bell; 9, wind pushing mechanism; 91, blower fan; 92, tube connector; 93, volume damper; 94, air flow sensor; 10, the term such as phase magnet, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (9)
1. the breaking protection system of a warp knitting machine, described warp knitting machine comprises frame (1) and is arranged on the some rollers of line sending for delivery of yarn (2) on frame (1), described line sending roller (2) drives its rotation by drive motors (3), it is characterized in that, this broken wire protecting equipment comprises and is fixed on the discharge pipe (4) that frame (1) is upper and be parallel to each other with line sending roller (2), RF transmitter (5) and infrared receiver (6), described RF transmitter (5) is fixed on frame (1) one end, infrared receiver (6) is fixed on frame (1) other end, and RF transmitter (5) is towards described infrared receiver (6), RF transmitter (5) and infrared receiver (6) form an induction straight line, described induction straight line is in a side of yarn, described discharge pipe (4) is in the corresponding opposite side of yarn, on the body of described discharge pipe (4), offer some exhaust vents towards yarn (4a), described discharge pipe (4) one ends are blind end, discharge pipe (4) other end is the air-supply end, described air-supply end can be connected toward the wind pushing mechanism (9) of air-supply in ajutage with one, and described infrared receiver (6) also can make the out-of-work controlling organization of drive motors (3) be connected with one.
2. the breaking protection system of warp knitting machine according to claim 1; it is characterized in that; described controlling organization comprises PLC Programmable Logic Controller (7) and alarm bell (8); it is upper that described PLC Programmable Logic Controller (7) and alarm bell (8) all are fixed on frame (1), and above-mentioned infrared receiver (6) is connected with described PLC Programmable Logic Controller (7) with circuit two by circuit one respectively with drive motors (3).
3. the breaking protection system of warp knitting machine according to claim 1; it is characterized in that; described controlling organization comprises controller and buzzer; described controller and buzzer all are fixed on frame (1); the input of described controller is connected with above-mentioned infrared receiver (6); the output of described controller is connected with relay, and described relay is connected with drive motors (3), and the output of described controller also is connected with buzzer by circuit.
4. the breaking protection system of warp knitting machine according to claim 1, it is characterized in that, described wind pushing mechanism (9) comprises blower fan (91), tube connector (92), volume damper (93) and air flow sensor (94), described blower fan (91) is fixed on frame (1), described volume damper (93) one ends are fixed on the air outlet place of blower fan (91), described tube connector (92) is arranged between the air-supply end of volume damper (93) other end and above-mentioned discharge pipe (4), described air flow sensor (94) is arranged in above-mentioned discharge pipe (4), air flow sensor (94) is connected with above-mentioned PLC Programmable Logic Controller (7) by circuit three, described circuit three is passed by above-mentioned exhaust vent (4a), described volume damper (93) is connected with described PLC Programmable Logic Controller (7) by circuit four.
5. the breaking protection system of warp knitting machine according to claim 4; it is characterized in that; described air flow sensor (94) is arranged on between the nearest exhaust vent of blind end (4a) and blind end, and described circuit three is by in the nearest exhaust vent of blind end (4a), passing.
6. the breaking protection system of according to claim 1 and 2 or 4 described warp knitting machines; it is characterized in that; the cross section of described exhaust vent (4a) is rounded; distance between the hole heart of described every two adjacent exhaust vents (4a) is all identical, and the aperture of described exhaust vent (4a) is held to blind end and become successively large by air-supply.
7. the breaking protection system of according to claim 1 and 2 or 4 described warp knitting machines; it is characterized in that; described infrared receiver (6) is fixed by screws on frame (1); on the bottom of described infrared receiver (6), also be fixed with phase magnet (10), described phase magnet (10) is adsorbed on described frame (1).
8. the breaking protection system of according to claim 1 and 2 or 4 described warp knitting machines, is characterized in that, described tube connector (92) is bellows.
9. the breaking protection system of warp knitting machine according to claim 3; it is characterized in that; described relay comprises normal open switch and coil; described controller output end is connected with an end of normal open switch; the other end of described normal open switch is connected with drive motors (3), and output and the coil of described controller are connected to form loop.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310340675.6A CN103397473B (en) | 2013-08-07 | 2013-08-07 | A kind of broken yarn protection system of warp knitting machine |
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|---|---|---|---|
| CN201310340675.6A CN103397473B (en) | 2013-08-07 | 2013-08-07 | A kind of broken yarn protection system of warp knitting machine |
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| CN103397473B CN103397473B (en) | 2015-10-28 |
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| CN103882642A (en) * | 2014-04-18 | 2014-06-25 | 李雪明 | Rear fame of dyeing machine |
| CN104264362A (en) * | 2014-09-22 | 2015-01-07 | 安徽爱达针织服饰有限公司 | Computer knitting machine |
| CN104957904A (en) * | 2015-06-29 | 2015-10-07 | 海宁美力针织有限公司 | Jacquard sofa fabric and processing equipment thereof |
| CN105019129A (en) * | 2015-06-29 | 2015-11-04 | 海宁德赛尔染整有限公司 | Warp knitting mismatched corduroy fabric and processing device |
| CN105986361A (en) * | 2016-06-24 | 2016-10-05 | 浙江金世达实业有限公司 | Automatic broken yarn identifying and cleaning system of Warp knitting machine |
| CN107489657A (en) * | 2017-08-29 | 2017-12-19 | 海宁市成达经编有限公司 | Tricot machine is led through the fan installing structure in device |
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| CN103882642A (en) * | 2014-04-18 | 2014-06-25 | 李雪明 | Rear fame of dyeing machine |
| CN104264362A (en) * | 2014-09-22 | 2015-01-07 | 安徽爱达针织服饰有限公司 | Computer knitting machine |
| CN104957904A (en) * | 2015-06-29 | 2015-10-07 | 海宁美力针织有限公司 | Jacquard sofa fabric and processing equipment thereof |
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| CN116815375A (en) * | 2023-08-28 | 2023-09-29 | 常州虹纬纺织有限公司 | Slub yarn production system and working method thereof |
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