CN100485099C - Yarn ear forming mechanism of mule spinning machine - Google Patents
Yarn ear forming mechanism of mule spinning machine Download PDFInfo
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- CN100485099C CN100485099C CNB2006101161190A CN200610116119A CN100485099C CN 100485099 C CN100485099 C CN 100485099C CN B2006101161190 A CNB2006101161190 A CN B2006101161190A CN 200610116119 A CN200610116119 A CN 200610116119A CN 100485099 C CN100485099 C CN 100485099C
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Abstract
The invention relates to a yarn ear shaping device of mule spinning machine, wherein it comprises: an information collecting treating system, a yarn guide arc transmitter, a spindle transmitter, a spindle cart, a tension arc, a feedback control circuit of spindle rotation, a servo motor control unit, and a yarn guide arc transmission feedback control circuit; the feedback control circuit of spindle rotation can shape the yarn better; the servo motor control unit can make the rotation speed of yarn guide arc supplied by servo motor meet the demand of yarn ear shape; the yarn guide arc transmission feedback control circuit can detect the transmission efficiency of whole yarn guide arc transmitter, to compensate the control signal sent from the servo driver to the servo motor in time, to meet the demand of rotation speed of yarn guide arc. And since it uses automatic control and feedback control yarn ear shaping device, the shape of yarn ear is better and accurate.
Description
Technical field
The present invention relates to a kind of yarn ear shaping device of mule.
Background technology
Yarn ear shaping device on the existing mule adopts mechanism of mechanical molding mostly, as cam builder, copping rail builder etc.According to the characteristic of spinning process requirement and various wool yarns, and the needs of following process, the diameter of yarn fringe, starting point, coiling pitch, segment height, yarn tension require adjustable, controlled.And mechanism of mechanical molding just can not satisfy the demand, and parameter adjustment is comprehensive inadequately, fine and smooth, adjustment coiling pitch, yarn tension that can only be rough; And it is quite loaded down with trivial details to adjust parameter, does not have foresight, have a fling at more than once just can be shaped preferably.And along with the wearing and tearing of machinery, the shaping error can be increasing.
Summary of the invention
The object of the invention provides the yarn ear shaping device of the higher mule of a kind of forming efficiency, and the yarn fringe shape that it finally obtains more conforms to the shape that expection is set.
The present invention can be implemented by the following technical programs: a kind of yarn ear shaping device of mule, and it comprises:
Information gathering and treatment system;
Yarn guide arc transmitter, it comprises guide bow axle, be fixed on guide bow, output on the guide bow axle is used to drive a yarn guide arc transmission mechanism that described guide bow axle rotates, the servomotor that is connected with the importation of described yarn guide arc transmission mechanism, the servo-driver that drives described servomotor rotation, and the input control end of described servo-driver and first output of described information gathering and treatment system are electrically connected;
Spindle transmitter, it comprises that spindle, output are used to drive the spindle transmission mechanism of described spindle rotation, the spindle motor that is connected with the importation of described spindle transmission mechanism, are used to control the frequency converter that spindle motor rotates, and the input control end of described frequency converter and described information gathering and treatment system second output are electrically connected;
Be used to drive described spindle, the mobile ingot car of described guide bow axle;
The tension force bow, described tension force bow is arranged on the described ingot car rotationally, and described tension force bow is fixed on the tension force bow axle; When the translational speed of described ingot car equaled the linear velocity of described spindle coiling, described tension force bow did not rotate, and when the translational speed of described ingot car was greater than or less than the linear velocity of described spindle coiling, described tension force bow rotated;
Described yarn ear shaping device also comprises feedback control circuit of spindle rotation, and described feedback control circuit of spindle rotation comprises:
Be connected that described tension force bow axle is gone up and with the tension force bow feedback transmission mechanism of its rotation;
Be arranged on the angular displacement sensor that is used to detect the angular displacement of tension force bow on the described tension force bow feedback transmission mechanism, the output of described angular displacement sensor is electrically connected to the input of described information gathering and treatment system, described angular displacement sensor sends angular displacement signal to the input of described information gathering and treatment system, described information gathering and treatment system are sent a useful signal value by second output to described frequency converter after handling again, be used to control the frequency of described frequency converter, the linear velocity that described spindle is reeled is tending towards identical with the translational speed of described ingot car.
Described yarn ear shaping device also comprises servo motor control unit, and it comprises:
Being arranged on being used on the described spindle motor feeds back the feedback coder of the rotating speed of described spindle motor, the input of the output of described feedback coder and described information gathering and treatment system is electrically connected, described feedback coder flows to described information gathering and treatment system with the rotating speed of spindle motor as first useful signal, after described information gathering and treatment system were carried out computing to first useful signal that receives, being transmitted control signal to described servo-driver by first output of information gathering and treatment system was used to control the velocity of rotation of described servomotor again.
Also include yarn guide arc transmission feedback control circuit in the described servo motor control unit, it comprises:
Be connected described guide bow axle and upward and with the guide of its rotation bend the feedback transmission mechanism;
Be arranged on the encoder on the described guide bow feedback transmission mechanism, the input of the output of described encoder and described information gathering and treatment system is electrically connected, described encoder is used to detect the velocity of rotation of described guide bow axle and this velocity of rotation is delivered to described information gathering and treatment system as second useful signal, and this second useful signal is used for first output by information gathering and treatment system is compensated to the control signal that described servo-driver sends.
Compared with the prior art the present invention has following advantage: this yarn ear shaping device makes the coiling winding degree of spindle more be tending towards equating that with the translational speed of ingot car yarn can better be shaped by add feedback control circuit of spindle rotation in spindle transmitter; Make servomotor more meet the requirement that the yarn fringe is shaped by in yarn guide arc transmitter, increasing servo motor control unit to the rotating speed that the guide bow provides, in servo motor control unit, increased yarn guide arc transmission feedback control circuit in addition, make it possible to detect that transmission efficiency gets big or small from whole yarn guide arc transmitter, so that can be timely must the control signal that servo-driver sends to servomotor be compensated, thereby the rotating speed that last transmission is arrived on the guide bow better meets requirement; The said mechanism adjustment is directly perceived more, convenient, and owing to adopt automation control to add the FEEDBACK CONTROL yarn ear shaping device, the better effects if that its yarn fringe is shaped, accuracy is higher.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the structural representation of guide bow of the present invention, tension force bow, spindle;
Accompanying drawing 3 is the control block diagram of servo motor control unit of the present invention;
Accompanying drawing 4 is the control block diagram of feedback control circuit of spindle rotation of the present invention;
Wherein: 1, spindle transmission mechanism; 2, guide steel wire; 3, guide bow axle; 4, guide bow; 5, spindle; 6, tension steel wire; 7, tension force bow axle; 8, tension force bow feedback transmission mechanism; 9, tension force bow; 10, angular displacement sensor; 11, encoder; 12, guide bow feedback transmission mechanism; 13, yarn guide arc transmission mechanism; 14, servomotor; 15, servo-driver; 16, information gathering and treatment system; 17, man-machine interface; 18, frequency converter; 19, spindle motor; 20, feedback coder; 21, ingot car; 22, first output; 23, second output.
The specific embodiment
Yarn ear shaping device as a kind of mule of Fig. 1～shown in Figure 2, it comprises control centre's one information gathering and treatment system 16, the yarn guide arc transmitter of forming by guide bow axle 3, guide bow 4, yarn guide arc transmission mechanism 13, servomotor 14, servo-driver 15, the spindle transmitter of forming by spindle 5, spindle transmission mechanism 1, spindle motor 19, frequency converter 18, ingot car 21, tension force bow 9, tension force bow axle 7.
Wherein, in yarn guide arc transmitter, guide bow 4 is to be fixed on the guide bow axle 3, the output of yarn guide arc transmission mechanism 13 is connected with guide bow axle 3 and is used to drive 3 rotations of guide bow axle, the importation of yarn guide arc transmission mechanism 13 is connected on the servomotor 14, that is to say that yarn guide arc transmission mechanism 13 is driven by servomotor 14, and servomotor 14 is by servo-driver 15 drive controlling, first output 22 of the input control end of servo-driver 15 and information gathering and treatment system 16 is electrically connected, and information gathering and treatment system 16 make servo-driver 15 rotate according to the requirement control servomotor 14 of information gathering and treatment system 16 by first output 22 to the corresponding signal of servo-driver 15 inputs.
In spindle transmitter, spindle 5 is driven by the output of spindle transmission mechanism 1, the importation of spindle transmission mechanism 1 is connected with spindle motor 19, spindle motor 19 drives spindle transmission mechanism 1 transmission, spindle motor 19 drives its rotation by frequency converter 18 to the certain frequency of its input again, the input control end of frequency converter 18 and information gathering and treatment system 16 second outputs 23 are electrically connected, and that is to say that frequency converter 18 is by information gathering and treatment system 16 controls.
In spindle transmitter, for reduce in addition when eliminating spindle and reeling because irregular gully, the yarn fringe surface number that causes of the tension force of yarn, make yarn fringe elasticity basically identical, smooth surface, plentiful, this just requires the tension force of yarn constant as far as possible in a certain specific codomain.Be incorporated herein the notion that tension force bends 9 equilbrium positions, the equilbrium position be the tension force of yarn when remaining on described specific codomain mid point tension force bend 9 residing positions.And the difference of the translational speed of the essence that yarn tension changes linear velocity that to be spindle 5 reel and ingot car 21 is non-vanishing, the difference that is the translational speed that yarn tension can be by changing linear velocity that spindle 5 reels and ingot car 21 changes, the linear velocity of reeling when spindle 5 is during greater than the translational speed of ingot car 21, tension force increases, otherwise, then reduce.The difference of translational speed that in a word, can be by adjusting linear velocity that spindle 5 reels and ingot car 21 makes yarn tension reach and maintains in a certain specific codomain.In the specific implementation, the translational speed of ingot car 21 be determine, solidify, so can only be by regulating the winding speed of spindle 5, adjust the difference of the translational speed of linear velocity that spindle 5 reels and ingot car 21.In order to satisfy above-mentioned requirement feedback control circuit of spindle rotation is set in yarn ear shaping device, the embodiment of a feedback control circuit of spindle rotation as shown in Figure 4, feedback control circuit of spindle rotation comprises:
Be connected on the described tension force bow axle 7 and with the tension force bow feedback transmission mechanism 8 of its rotation;
Be arranged on and be used to detect the angular displacement sensor 10 that tension force bends 9 angular displacements on the described tension force bow feedback transmission mechanism 8, the output of described angular displacement sensor 10 is electrically connected to the input of described information gathering and treatment system 16, described angular displacement sensor 10 sends angular displacement signal to the input of described information gathering and treatment system 16, after handling, described information gathering and treatment system 16 send a useful signal value by second output 23 to described frequency converter 18 again, be used to control the frequency of described frequency converter 18, adjust the difference of the translational speed of linear velocity that described spindle 5 reels and ingot car 21, the linear velocity that described spindle 5 is reeled is tending towards identical with the translational speed of described ingot car 21, finally yarn tension is reached and maintains in a certain specific codomain.
Wherein, when tension force bow 9 rotates, angular displacement sensor 10 sends the useful signal of current angular displacement to the input of information gathering and treatment system 16, information gathering and treatment system 16 will draw the direction and the size of this angular displacement according to this signal after receiving this angular displacement signal, the tension force that further draws at this moment is excessive or too small and excessive or how much too small, further draw the amplitude that should reduce or increase the winding speed of spindle 5 and reduce or increase again, reduce frequency or increase frequency thereby handle to draw to send to frequency converter 18 by second output 23, and reduce or the useful signal of the amount that increases.
A kind of embodiment as shown in Figure 2, when tension force bow 9 is below the equilbrium position, when promptly being equipped with an anticlockwise angle with respect to balance position, the overtension of yarn is described this moment, yarn pulling tension force bow 9 rotates counterclockwise, at this moment angular displacement sensor 10 will send the useful signal of this angular displacement direction of reflection and size to the input of information gathering and treatment system 16, information gathering and treatment system 16 will draw the winding speed that should reduce spindle 5 according to this signal after receiving this useful signal, make the translational speed of the linear velocity of spindle 5 coilings less than ingot car 21, to reduce the conclusion of tension force, and the amplitude that specifically reduces also can draw simultaneously, and information gathering and treatment system 16 are subsequently through sending the useful signal that reduces frequency and concrete decrease by second output 23 after the computing to frequency converter 18.
In the yarn ear shaping device of mule, guide bow 4 is high and low position and the translational speeds that are used for controlling Yarn reeling point, the winding speed that cooperates spindle 5, make yarn by distinctive pitch on spindle, the yarn fringe shape that obtains wanting is so whether position and the winding speed of velocity of rotation and the spindle 5 yarn shape that whether by peculiar relationship match determined yarn lay out of guide bow 4 in the yarn winding process can meet the demands.And the winding speed of spindle 5 is by the control of described feedback control circuit of spindle rotation, and promptly in this position and velocity of rotation that needs control guide bow 4, the winding speed that makes itself and spindle 5 is by peculiar relationship match.In order to meet this requirement, in the rotation process of control guide bow 4, set up servo motor control unit, in case the rotation situation of servomotor 14 meets the demands, the rotation of guide bow 4 also will meet the demands.
Servo motor control unit as shown in Figure 3, it comprises that being arranged on being used on the described spindle motor 19 feeds back the feedback coder 20 of the rotating speed of described spindle motor 19, the input of the output of described feedback coder 20 and described information gathering and treatment system 16 is electrically connected, described feedback coder 20 flows to described information gathering and treatment system 16 with the rotating speed of spindle motor 19 as first useful signal, after first useful signal that 16 pairs of described information gathering and treatment systems receive carried out computing, being transmitted control signal to described servo-driver 15 by first output 22 of information gathering and treatment system 16 was used to control the velocity of rotation of described servomotor 14 again.
Be transferred to the process of guide bow 4 from servomotor 14, the speed of transmission is owing to transmission efficiency can not reach reason such as 100%, it is final inconsistent certainly with desirable speed, so error for the velocity of rotation that reduces guide bow 4, improve transmission accuracy, set up yarn guide arc transmission feedback control circuit in described servo motor control unit, it comprises:
Be connected on the described guide bow axle 3 and and bend feedback transmission mechanism 12 with the guide of its rotation;
Be arranged on the encoder 11 on the described guide bow feedback transmission mechanism 12, the input of the output of described encoder 11 and described information gathering and treatment system 16 is electrically connected, described encoder 11 is used to detect the velocity of rotation of described guide bow axle 3 and this velocity of rotation is delivered to described information gathering and treatment system 16 as second useful signal, and this second useful signal is used for first output by information gathering and treatment system 16 is compensated to the control signal that described servo-driver 15 sends; The rotating speed that so last transmission arrives on the guide bow 4 just can better meet the demands.
Above-mentioned yarn guide arc transmission mechanism 13, guide bow feedback transmission mechanism 12, spindle transmission mechanism 1, tension force bow feedback transmission mechanism 8 all can be selected some common transmission mechanisms such as gear pair transmission mechanism, synchronous pulley mechanism for use.
In order to make the staff can regulate control information collection and treatment system 16 better, more intuitively, usually must be electrically connected a personal-machine interface 17 by control end in information gathering and treatment system 16, the staff just can preset yarn fringe form parameter more easily, adjust yarn fringe form parameter by man-machine interface 17 like this.
Claims (2)
1, a kind of yarn ear shaping device of mule, it comprises:
Information gathering and treatment system (16);
Yarn guide arc transmitter, it comprises guide bow axle (3), be fixed on guide bow (4), output on the guide bow axle (3) is used to drive yarn guide arc transmission mechanism (13), the servomotor (14) that is connected with the importation of described yarn guide arc transmission mechanism (13) that described guide bow axle (3) rotates, the servo-driver (15) that drives described servomotor (14) rotation, and first output (22) of the input control end of described servo-driver (15) and described information gathering and treatment system (16) is electrically connected;
Spindle transmitter, it comprises that spindle (5), output are used to drive spindle transmission mechanism (1), the spindle motor (19) that is connected with the importation of described spindle transmission mechanism (1) of described spindle (5) rotation, are used to control the frequency converter (18) that spindle motor (19) rotates, and the input control end of described frequency converter (18) and described information gathering and treatment system (16) second outputs (23) are electrically connected;
Be used to drive described spindle (5), the mobile ingot car (21) of described guide bow axle (3);
Tension force bow (9), described tension force bow (9) is arranged on the described ingot car (21) rotationally, and described tension force bow (9) is fixed on the tension force bow axle (7); When the translational speed of described ingot car (21) equals the linear velocity of described spindle (5) coiling, described tension force bow (9) does not rotate, when the translational speed of described ingot car (21) was greater than or less than the linear velocity of described spindle (5) coiling, described tension force bow (9) rotated;
Described yarn ear shaping device also comprises feedback control circuit of spindle rotation, and described feedback control circuit of spindle rotation comprises:
Be connected that described tension force bow axle (7) is gone up and with the tension force bow feedback transmission mechanism (8) of its rotation;
Being arranged on being used on the described tension force bow feedback transmission mechanism (8) detects the angular displacement sensor (10) of tension force bow (9) angular displacement, the output of described angular displacement sensor (10) is electrically connected to the input of described information gathering and treatment system (16), described angular displacement sensor (10) sends angular displacement signal, described information gathering and treatment system to the input of described information gathering and treatment system (16)
(16) send a useful signal value by second output (23) to described frequency converter (18) again after the processing, be used to control the frequency of described frequency converter (18), the linear velocity that described spindle (5) is reeled is tending towards identical with the translational speed of described ingot car (21);
It is characterized in that:
Described yarn ear shaping device also comprises servo motor control unit, and it comprises:
Being arranged on being used on the described spindle motor (19) feeds back the feedback coder (20) of the rotating speed of described spindle motor (19), the input of the output of described feedback coder (20) and described information gathering and treatment system (16) is electrically connected, described feedback coder (20) flows to described information gathering and treatment system (16) with the rotating speed of spindle motor (19) as first useful signal, after described information gathering and treatment system (16) were carried out computing to first useful signal that receives, being transmitted control signal to described servo-driver (15) by first output (22) of information gathering and treatment system (16) was used to control the velocity of rotation of described servomotor (14) again.
2, the yarn ear shaping device of mule according to claim 1 is characterized in that: also include yarn guide arc transmission feedback control circuit in the described servo motor control unit, it comprises:
Be connected described guide bow axle (3) and upward and with the guide of its rotation bend feedback transmission mechanism (12);
Be arranged on the encoder (11) on the described guide bow feedback transmission mechanism (12), the input of the output of described encoder (11) and described information gathering and treatment system (16) is electrically connected, described encoder (11) is used to detect the velocity of rotation of described guide bow axle (3) and this velocity of rotation is delivered to described information gathering and treatment system (16) as second useful signal, and this second useful signal is used for first output (22) by information gathering and treatment system (16) is compensated to the control signal that described servo-driver (15) sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101161190A CN100485099C (en) | 2006-09-15 | 2006-09-15 | Yarn ear forming mechanism of mule spinning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101161190A CN100485099C (en) | 2006-09-15 | 2006-09-15 | Yarn ear forming mechanism of mule spinning machine |
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| CN1920135A CN1920135A (en) | 2007-02-28 |
| CN100485099C true CN100485099C (en) | 2009-05-06 |
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| CNB2006101161190A Active CN100485099C (en) | 2006-09-15 | 2006-09-15 | Yarn ear forming mechanism of mule spinning machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350164B (en) * | 2015-12-10 | 2017-04-19 | 河北英凯模金属网有限公司 | Servo control system of netting machine |
| CN107012545B (en) * | 2017-06-02 | 2019-02-15 | 苏州友联纺工装备科技股份有限公司 | Mule yarn fringe split pattern control method |
| CN111074392A (en) * | 2019-12-31 | 2020-04-28 | 西门子工厂自动化工程有限公司 | Spinning frame spindle rotating speed control method and control system |
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2006
- 2006-09-15 CN CNB2006101161190A patent/CN100485099C/en active Active
Non-Patent Citations (4)
| Title |
|---|
| 京和走锭细纱机的技术改造. 刘保强，阴建华，崔淑玲，李瑞洲，才英杰.毛纺科技，第10期. 2005 |
| 京和走锭细纱机的技术改造. 刘保强，阴建华，崔淑玲，李瑞洲，才英杰.毛纺科技，第10期. 2005 * |
| 意大利走锭细纱机的纺纱机理及其质量控制. 余伯棠.上海纺织科技，第22卷第5期. 1994 |
| 意大利走锭细纱机的纺纱机理及其质量控制. 余伯棠.上海纺织科技，第22卷第5期. 1994 * |
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| CN1920135A (en) | 2007-02-28 |
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Effective date of registration: 20111122 Address after: Lianhua Road split eight 215222 Wujiang city of Jiangsu Province Economic Development Zone No. 58 Songling town Patentee after: Wujiang Youlian Textile Machinery Co. Ltd. Address before: 215222 Wujiang City, Jiangsu Province eight Song Chen community Nanhe Hamamatsu Road No. 20 Patentee before: Qian Xuxing |