CN103397473B - A kind of broken yarn protection system of warp knitting machine - Google Patents
A kind of broken yarn protection system of warp knitting machine Download PDFInfo
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- CN103397473B CN103397473B CN201310340675.6A CN201310340675A CN103397473B CN 103397473 B CN103397473 B CN 103397473B CN 201310340675 A CN201310340675 A CN 201310340675A CN 103397473 B CN103397473 B CN 103397473B
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- yarn
- frame
- infrared receiver
- knitting machine
- warp knitting
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Abstract
The invention provides a kind of broken yarn protection system of warp knitting machine, belong to textile technology field.Easily with problems such as mechanical disorders when rupturing appears in the yarn it solved in existing warp knitting machine.The broken yarn protection system of this warp knitting machine, described warp knitting machine comprises frame and is arranged on the line sending roller in frame, line sending roller drives it to rotate by drive motors, this broken yarn protection system comprises and being fixed in frame and the discharge pipe, RF transmitter and the infrared receiver that are parallel to each other with line sending roller, RF transmitter is fixed on frame one end, infrared receiver is fixed on the frame other end, and RF transmitter is towards infrared receiver, and induction straight line is in the side of yarn; Discharge pipe is in the corresponding opposite side of yarn, the body of discharge pipe offers some exhaust vents towards yarn.The present invention, in time being in operating yarn and occurring fracture, can automatically control drive motors and quit work, to show that staff changes yarn, avoid mechanical disorder.
Description
Technical field
The invention belongs to textile technology field, relate to a kind of warp knitting machine, particularly a kind of broken yarn protection system of warp knitting machine.
Background technology
Warp knitting machine forms primarily of knitting mechanism, guide bar shogging mechanism, warp-feeding mechanism, tractive spooler and transmission mechanism.Warp knitting machine is to the wide adaptability of raw material and fabric variety, and machine productivity is higher, and thus 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, makes the requirement of sley bar according to knitted fabric tissue in knitting cycle traversing, is padded on pin by warp thread, to be made into the knitted fabric with certain institutional framework.
3. warp-feeding mechanism, moves back solution the warp thread in warp beam and gets off, and sends into knitting zone.
4. the effect of tractive spooler to be pulled out from knitting zone by fabric with predetermined speed and is wound into yardage roll.
5. transmission mechanism drives primarily of drive motors.
Along with the development of warp knitting machine; improving constantly of mechanical performance; some problems are also supervened in actual use; such as in tractive coiling process; usually there will be the situation of yarn breakage, once there is this situation, drive motors must be closed at once; change yarn, to ensure that warp knitting machine continues stable operation.But whether current yarn ruptures all is observed visually through operator, thus closedown drive motors quits work, to change yarn; If run into the operator that has defective vision or operator works half-hearted, warp knitting machine works on, and warp knitting machine will be made to break down, so when running into the situation of yarn breakage, must change the yarn of fracture in time, thus warp knitting machine is worked on.And adopt manual observation close drive motors and change yarn, not only efficiency is low, and workload is large, and is unfavorable for the continuous firing of operator.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of broken yarn protection system of warp knitting machine, this broken wire protecting equipment has can yarn in warp knitting machine automatic out-of-work feature when there is fracture.
Object of the present invention realizes by following technical proposal: a kind of broken yarn protection system of warp knitting machine, described warp knitting machine comprises frame and is arranged on the some line sending rollers for delivered yarn in frame, described line sending roller drives it to rotate by drive motors, it is characterized in that, this broken wire protecting equipment comprises and being fixed in frame and the discharge pipe be parallel to each other with 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 the side of yarn, described discharge pipe is in the corresponding opposite side of yarn, the body of described discharge pipe offers some exhaust vents towards yarn, described discharge pipe one end is blind end, the discharge pipe other end is air-supply end, described air-supply end is connected with a wind pushing mechanism can blown in ajutage, and described infrared receiver also can make the out-of-work controlling organization of drive motors be connected with one.
The broken yarn protection system of this warp knitting machine, its operation principle is such, and drive motors drives the line sending roller in frame to rotate, thus drives yarn conveying, if yarn conveying is normal, RF transmitter normal transmission, infrared receiver normally receives; When occurring the situation of yarn breakage, yarn is under the effect of wind pushing mechanism and exhaust vent, sail towards induction straight line, when yarn is in this induction straight line, yarn has intercepted the reception of infrared receiver, information is passed to controlling organization by infrared receiver, and controlling organization controls drive motors again and quits work, and staff just can carry out maintain and replace yarn.
In the broken yarn protection system of above-mentioned warp knitting machine; described controlling organization comprises PLC and alarm bell; described PLC and alarm bell are all fixed in frame, and above-mentioned infrared receiver is connected with described PLC with circuit two respectively by circuit one with drive motors.The information received can be passed to PLC by infrared receiver, if infrared receiver receives normal, alarm bell is sound not, and warp knitting machine normally works; If yarn breakage, infrared receiver connects and often blocks, and alarm bell is reported to the police, and warp knitting machine quits work.
Alternatively situation; in the broken yarn protection system of above-mentioned warp knitting machine; described controlling organization comprises controller and buzzer; described controller and buzzer are all fixed in 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 is also connected with buzzer by circuit.When occurring the situation of yarn breakage, the yarn of fracture is under the effect of wind pushing mechanism, blow to the induction straight line formed by RF transmitter and infrared receiver, infrared receiver collects yarn breakage signal and yarn breakage signal is flowed to controller, controller exports control signal control relay and disconnects drive motors, drive motors stops operating, and exports control signal control buzzer rings with Time Controller, and prompting staff yarn breakage need be closed drive motors and change yarn.
In the broken yarn 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 in 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 by circuit three, described circuit three is passed by above-mentioned exhaust vent, described volume damper is connected with described PLC by circuit four.
Wind is transported in discharge pipe by volume damper and tube connector by blower fan; An airflow value is set in PLC, when air flow sensor senses that air quantity is less than setting value, air flow sensor passes to PLC information, PLC controls volume damper makes the open degree of volume damper become large, makes the wind-force of going out from exhaust vent enough yarn be blowed to induction straight line like this.
In the broken yarn protection system of above-mentioned warp knitting machine, described air flow sensor is arranged on between the nearest exhaust vent of blind end and blind end, and described circuit three passes by the nearest exhaust vent of blind end.Air flow sensor can from the wind-force signal of the nearest exhaust vent of blind end on Real-time Collection discharge pipe.
In the broken yarn 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, by end of blowing, the aperture of described exhaust vent refers to that blind end becomes large successively.The power that the wind that exhaust vent blows out can give one, yarn outside, the air quantity that such design can make each exhaust vent blow out can be even, thus stability when improving normal delivered yarn.
In the broken yarn protection system of above-mentioned warp knitting machine, described infrared receiver is fixed by screws in frame, and the bottom of described infrared receiver is also fixed with phase magnet, and described phase magnet is adsorbed in described frame.First by phase magnet, infrared receiver is positioned, then to infrared receiver adjustment angle, finally by screw, infrared receiver is fixed, easy to operate, and Aligning degree is high.
In the broken yarn 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 broken yarn protection system of above-mentioned warp knitting machine; described relay comprises normal open switch and coil; described controller output end is connected with one 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 exports control signal control coil and disconnects, and the normal open switch of therefore adhesive originally disconnects, and drive motors stops operating.
Compared with prior art, the broken yarn protection system of this warp knitting machine has the following advantages:
1, the present invention is by blower fan, tube connector and discharge pipe for yarn provides outside power, and structure is simple, effective.
2, somely become large exhaust vent successively owing to being from the close-by examples to those far off provided with on discharge pipe, under the effect of blower fan, can make from air outlet blowout wind-force even, thus improve the stability of yarn transport.
3, the present invention controls the keying of drive motors by PLC and regulates the size of volume damper, effectively can improve the automaticity of warp knitting machine.
4, adopt phase magnet to be positioned by infrared receiver, then to infrared receiver adjustment angle, finally by screw, infrared receiver is fixed, induction straight line is paralleled with discharge pipe, easy to operate, and Aligning degree is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 of the present inventionly faces structural representation;
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; 8, alarm bell; 9, wind pushing mechanism; 91, blower fan; 92, tube connector; 93, volume damper; 94, air flow sensor; 10, phase magnet.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figure 1, a kind of warp knitting machine, the some line sending rollers 2 for delivered yarn comprising frame 1 and be arranged in frame 1, line sending roller 2 drives it to rotate by drive motors 3, and drive motors 3 is fixed on the side of frame 1 by fixed head one; As shown in Figure 2, a kind of broken yarn protection system of warp knitting machine, comprise and being fixed in frame 1 and the discharge pipe 4, RF transmitter 5 and the infrared receiver 6 that are parallel to each other with line sending roller 2, 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 infrared receiver 6, RF transmitter 5 and infrared receiver 6 form an induction straight line, and induction straight line is in the side of yarn, 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, the body of discharge pipe 4 offers some exhaust vent 4a towards yarn, discharge pipe 4 one end is blind end, the other end is air-supply end, exhaust vent 4a is evenly arranged successively along the axis of discharge pipe 4, and air-supply end is connected with a wind pushing mechanism 9 can blown in ajutage.Concrete, infrared receiver 6 is fixed by screws in frame 1, the bottom of infrared receiver 6 is also fixed with phase magnet 10, phase magnet 10 is adsorbed in frame 1, first by phase magnet 10, infrared receiver 6 is positioned, then angle is adjusted to infrared receiver 6, finally by screw, infrared receiver 6 is fixed, easy to operate, and Aligning degree is high.
Specifically, controlling organization comprises PLC 7 and alarm bell 8, and PLC 7 and alarm bell 8 are all fixed in frame 1, and infrared receiver 6 is connected with PLC 7 with circuit two respectively by circuit one with drive motors 3.The information received can be passed to PLC 7 by infrared receiver 6, if infrared receiver 6 receives normally, and alarm bell 8 not sound, warp knitting machine normally works; If yarn breakage, infrared receiver 6 connects and often blocks, and 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 the side of frame 1 by fixed head two, volume damper 93 one end is 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 end and discharge pipe 4, air flow sensor 94 is arranged in discharge pipe 4, and air flow sensor 94 is connected with PLC 7 by circuit three, circuit three can be passed by exhaust vent 4a, volume damper 93 is connected with PLC 7 by circuit four.Concrete, air flow sensor 94 is arranged on between the nearest exhaust vent 4a of blind end and blind end, and circuit three passes by the nearest exhaust vent 4a of blind end.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 by end of blowing, the aperture of exhaust vent 4a refers to that blind end becomes large successively.The power that the wind that exhaust vent 4a blows out can give one, yarn outside, the air quantity that such design makes each exhaust vent 4a blow out can be even, improves stability during normal delivered yarn.Wind is transported in discharge pipe 4 by volume damper 93 and tube connector 92 by blower fan 91; An airflow value is set in PLC 7, when air flow sensor 94 senses that air quantity is less than setting value, air flow sensor 94 passes to PLC 7 information, PLC 7 controls volume damper 93 makes the open degree of volume damper 93 become large, makes the wind-force of going out from exhaust vent 4a enough yarn be blowed to induction straight line like this.In the present embodiment, tube connector 92 is bellows.
The broken yarn protection system of this warp knitting machine, its operation principle is such, and drive motors 3 drives the line sending roller 2 in frame 1 to rotate, thus drives yarn conveying, if yarn conveying is normal, RF transmitter 5 normal transmission, infrared receiver 6 normally receives; When occurring the situation of yarn breakage, yarn is under the effect of blower fan 91, tube connector 92 and exhaust vent 4a, sail towards induction straight line, when yarn is in this induction straight line, yarn has intercepted the reception of infrared receiver 6, information is passed to PLC 7 by infrared receiver 6, and PLC 7 controls drive motors 3 again and quits work, and staff just can carry out maintain and replace yarn.
Embodiment two
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: in embodiment one, and controlling organization comprises PLC and alarm bell; And in the present embodiment two, as shown in Figure 3, controlling organization comprises controller and buzzer, controller and buzzer are all fixed in 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 is also connected with buzzer by circuit.Concrete, relay comprises normal open switch and coil, controller output end is connected with one 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 exports control signal control coil and disconnects, and the normal open switch of therefore adhesive originally disconnects, and drive motors stops operating.When occurring the situation of yarn breakage, the yarn of fracture is under the effect of wind pushing mechanism, blow to the induction straight line formed by RF transmitter and infrared receiver, infrared receiver collects yarn breakage signal and yarn breakage signal is flowed to controller, controller exports control signal control relay and disconnects drive motors, drive motors stops operating, and exports control signal control buzzer rings with Time Controller, 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 amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ 1 herein, frame; 2, line sending roller; 3, drive motors; 4, discharge pipe; 4a, exhaust vent; 5, RF transmitter; 6, infrared receiver; 7, PLC; 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 using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. the broken yarn protection system of a warp knitting machine, described warp knitting machine comprises frame (1) and is arranged on the some line sending rollers (2) for delivered yarn in frame (1), described line sending roller (2) drives it to rotate by drive motors (3), it is characterized in that, this broken yarn protection system comprises and is fixed on the upper and discharge pipe (4) be parallel to each other with line sending roller (2) of frame (1), 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 the side of yarn, described discharge pipe (4) is in the corresponding opposite side of yarn, the body of described discharge pipe (4) offers some exhaust vents towards yarn (4a), described discharge pipe (4) one end is blind end, discharge pipe (4) other end is air-supply end, the cross section of described exhaust vent (4a) is rounded, distance between the hole heart of every two adjacent described exhaust vents (4a) is all identical, the aperture of described exhaust vent (4a) becomes large by end of blowing successively to blind end, described air-supply end is connected with a wind pushing mechanism (9) can blown in ajutage, 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 in frame (1), described volume damper (93) one end is 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 a PLC (7) by circuit three, described circuit three is passed by above-mentioned exhaust vent (4a), described volume damper (93) is connected with described PLC (7) by circuit four, described air flow sensor (94) is arranged on between the nearest exhaust vent (4a) of blind end and blind end, described circuit three passes by the nearest exhaust vent (4a) of blind end, described infrared receiver (6) also can make drive motors (3) out-of-work controlling organization be connected with one.
2. the broken yarn protection system of warp knitting machine according to claim 1; it is characterized in that; described controlling organization comprises PLC (7) and alarm bell (8); described PLC (7) and alarm bell (8) are all fixed in frame (1), and above-mentioned infrared receiver (6) is connected with described PLC (7) with circuit two respectively by circuit one with drive motors (3).
3. the broken yarn 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 are all fixed in frame (1); the input of described controller is connected with above-mentioned infrared receiver (6); the output of described controller is connected with relay; described relay is connected with drive motors (3), and the output of described controller is also connected with buzzer by circuit.
4. the broken yarn protection system of warp knitting machine according to claim 1 and 2; it is characterized in that; described infrared receiver (6) is fixed by screws in frame (1); the bottom of described infrared receiver (6) is also fixed with phase magnet (10), and described phase magnet (10) is adsorbed in described frame (1).
5. the broken yarn protection system of warp knitting machine according to claim 1 and 2, is characterized in that, described tube connector (92) is bellows.
6. the broken yarn 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 one 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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| CN103397473A CN103397473A (en) | 2013-11-20 |
| CN103397473B true CN103397473B (en) | 2015-10-28 |
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| CN104264362A (en) * | 2014-09-22 | 2015-01-07 | 安徽爱达针织服饰有限公司 | Computer knitting machine |
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| 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 |
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| CN110528165A (en) * | 2019-09-26 | 2019-12-03 | 海盐荣华经编有限公司 | A kind of tricot machine drawing spooler |
| CN114164555A (en) * | 2021-11-05 | 2022-03-11 | 福建省晋江市华宇织造有限公司 | Production equipment for warp-knitted spacer fabric |
| CN116815375B (en) * | 2023-08-28 | 2023-11-24 | 常州虹纬纺织有限公司 | Slub yarn production system and working method thereof |
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