CN108037778B - Magnetoelectric wire nozzle assembly and motion control method thereof - Google Patents
Magnetoelectric wire nozzle assembly and motion control method thereof Download PDFInfo
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- CN108037778B CN108037778B CN201711327406.0A CN201711327406A CN108037778B CN 108037778 B CN108037778 B CN 108037778B CN 201711327406 A CN201711327406 A CN 201711327406A CN 108037778 B CN108037778 B CN 108037778B
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/62—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
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Abstract
The invention discloses a magnetoelectric wire nozzle assembly and a motion control method thereof. The device is characterized in that a magnetic pole matrix is embedded at the bottom in a main slideway of a machine shell, a sliding stop block is arranged on the magnetic pole matrix, a lead nozzle sliding block is arranged between a left baffle and the sliding stop block, a permanent magnet is embedded in the middle of the lead nozzle sliding block, a switch matrix circuit board is arranged on a rear baffle, a combined electrode is arranged on the lead nozzle sliding block close to the rear baffle, the combined electrode is connected with different magnetic pole windings on the switch matrix along with the movement of the lead nozzle, and the magnetic pole matrix drives the lead nozzle to reciprocate under the driving of a control system. The invention adopts a unique switch matrix to carry out sectional control in the aspect of driving the magnetic poles, utilizes energy to the maximum extent, adopts a driving structure that the wire mouth returns quickly at the returning point of the wire mouth movement, and effectively shortens the returning time; the device is easy to be connected with a digital controller, and the coordination work of the general bearing of the winding motor is met; simple structure, furthest has reduced the resistance.
Description
Technical Field
The invention relates to a wire nozzle assembly and a control method thereof, in particular to a magnetoelectric wire nozzle assembly and a motion control method thereof, belonging to the field of textile machinery.
Background
The wire guide nozzle assembly is generally used for textile machinery, and a winding machine is mainly used; the winding machine consists of three parts: a winding motor assembly for driving the spool to rotate; a tension sensor for controlling the winding force. At present, most of China uses a mechanical wire nozzle device; a small percentage of more advanced devices have begun to employ digital wire nozzle devices; the indexes for measuring the digital wire nozzle device are as follows: economy, noise, power consumption, speed, life, lead adjustability, return point time (the smaller the better), digitization level (automation level), and the like.
The wire nozzles used in various countries in the world at present have two types, namely a mechanical type and a servo type; the mechanical lead mouth has high energy consumption, high noise, complex lead adjustment, no digital function (automatic level difference), is already in imminent elimination, but is still used in large quantity in China due to low cost; the servo type wire nozzle is simple in overall adjustment and high in digitization level (automation level), but noise is generated in high-speed operation, and time solution of a return point is not ideal enough; developed countries have begun to use a lot; but because of high cost, the use is less in China.
Disclosure of Invention
Aiming at the problems of the conducting nozzle device in the prior art, the invention provides a magnetoelectric conducting nozzle assembly and a motion control method thereof.
The technical scheme of the invention is as follows:
the invention provides a magnetoelectric wire nozzle assembly, which comprises a main slideway of a machine shell, a left baffle and a right baffle which are fixed at the two ends of the main slideway of the machine shell, and a rear baffle which is fixed at the rear part of the main slideway of the machine shell, wherein a magnetic pole matrix is embedded at the bottom in the main slideway of the machine shell, a sliding stop block which can freely slide and be fixed at any sliding position is arranged on the magnetic pole matrix, a wire nozzle sliding block which can freely slide is arranged between the left baffle and the sliding stop block, a permanent magnet is embedded in the middle of the wire nozzle sliding block, a lead disc is arranged on the outer side, a Hall switch and a boosting magnetic pole are arranged on the left baffle and the sliding baffle, a switch matrix circuit board is arranged on the rear baffle, a combined electrode is arranged on a lead nozzle slide block close to the rear baffle, the combined electrode is connected with different magnetic pole windings in the switch matrix along with the movement of the wire nozzle, and the magnetic pole matrix drives the wire nozzle to reciprocate under the driving of the control system.
As a further improvement of the invention, the magnetic pole matrix is formed by arranging relatively independent electromagnets, and after the electromagnets are electrified, the electromagnets attract or repel the permanent magnets above the electromagnets.
As a further improvement of the invention, the switch matrix comprises an upper common electrode, a lower common electrode, a magnetic pole coil crossing the lower common electrode, and a magnetic pole contact and a power supply zero point which are respectively arranged at the upper end and the lower end of the magnetic pole coil.
As a further improvement of the invention, shock-absorbing rubber pads are arranged on the left baffle plate and the sliding stop block.
As a further improvement of the invention, the control system comprises a controller, a main switch of the driving power supply, a display module, a keyboard module, a magnetic pole matrix power supply reversing driving module, a receiving circuit of Hall signals and an information output communication module, the magnetic pole matrix power supply reversing driving module comprises a voltage regulating driving module and a boosting driving module, the display module is used for receiving and displaying an output signal of the controller, the keyboard module is used for bidirectional communication with the controller, the boosting drive module receives an output signal of the controller and controls the boosting magnetic pole to move, the magnetic pole matrix drives the wire nozzle to reciprocate under the drive of the controller, the voltage regulation driving module switches the power direction after receiving the output signal of the controller, the receiving circuit of the Hall signal is used for transmitting the sensing information of the Hall switch to the controller, and the information output communication module outputs the information of the controller to external equipment.
As a further improvement of the invention, one side baffle of the left side baffle and the right side baffle is provided with two threaded holes for fixing with other devices.
The invention also provides a motion control method of the magnetoelectric wire nozzle assembly, which comprises the following steps:
the first step is as follows: firstly, electrifying for the first time, firstly setting parameters: the device comprises the reciprocating motion speed of a wire nozzle, the distance of a lead and the total number of turns of a winding; the controller controls according to the parameters; before electrifying, the conducting wire mouth is at the starting end; after starting, the controller controls the movement speed of the wire nozzle according to the set parameters, and synchronously and serially sends and displays the speed information on the display screen;
the second step is that: when the switch matrix power supply starts to operate, the controller is connected with the switch matrix power supply, the combined electrode moves along with the wire nozzle, and the three magnetic pole windings are connected at any position to form thrust for pushing the wire nozzle to move;
the third step: when the wire nozzle is driven by the magnetic pole matrix to move from one end to the other end, the permanent magnet in the wire nozzle triggers the Hall element, the single chip microcomputer receives a trigger signal to start the boosting magnetic pole, the power direction of the magnetic pole matrix is exchanged, the wire nozzle is pushed to move in the opposite direction in a coordinated mode, and the wire nozzle is pushed to reciprocate in cycles.
Further, the method of the present invention further comprises a parameter adjusting step, comprising:
1) the controller calculates the reciprocating speed by detecting the time of the wire nozzle reaching one end, and performs speed regulation according to the set speed;
2) the reciprocating lead is adjusted, namely loosening the jackscrew, adjusting the position of the propeller according to the scale on the shell, fastening the jackscrew, setting corresponding parameters on the keyboard, and adjusting the power supply voltage of the magnetic pole matrix by the controller according to the parameters, changing the strength of the driving force and controlling the speed;
3) and the controller controls the parking when the count value reaches the specified number of turns according to the set total number of turns.
The invention has the following beneficial effects:
(1) the structure is simple, transmission structures such as a lead screw, a nut, a gear, a rack and the like are not arranged, and the movement structure is single; the manufacturing cost is low.
(2) The noise is low, the traditional screw rod, nut and gear rack are removed, the cost is saved, and the rigid impact and the movement resistance are reduced;
(3) the speed is higher, and the device has higher speed than a screw rod or a gear structure due to the reason of the (2);
(4) the lead is adjustable, and the reciprocating lead of the lead nozzle can be easily and continuously adjusted by sliding the right stop blocks left and right;
(5) the power consumption is low, the resistance of the wire nozzle slide block in the slideway is small, only three magnetic poles are electrified at each moment, and the energy utilization rate is high;
(6) the return time is short, and the return point and the participation of the boosting magnetic pole shorten the return time;
(7) the digitization degree is high, the controller can easily detect the time when the wire nozzle reaches the two sides only through the Hall elements on the two sides, the reciprocating speed is easily calculated through the time interval of the two points, the reciprocating speed is stabilized through closed-loop control, and high-precision control is realized; and sends out position and speed information through a 485 interface.
Drawings
Fig. 1 is a schematic structural diagram of a magnetoelectric wire holder assembly of the present invention.
Fig. 2 is a first principle diagram of magnetic pole driving.
Fig. 3 is a second principle view of magnetic pole driving.
Fig. 4 is a third diagram of the magnetic pole driving principle.
Fig. 5 is a schematic diagram one of the stopper adjusted to any position to achieve reliable reversal.
Fig. 6 is a second principle diagram of the stop being adjusted to any position to achieve reliable reversal.
Fig. 7 is a first schematic diagram of a switch matrix.
Fig. 8 is a second schematic diagram of a switch matrix.
Fig. 9 is a schematic diagram of a switch matrix.
Fig. 10 is a fourth schematic diagram of a switch matrix.
Fig. 11 is a diagram showing a positional relationship between the lead tap and the electromagnet.
Fig. 12 is a magnetic pole matrix configuration diagram of the electromagnet arrangement.
Fig. 13 is a schematic diagram of the driving magnetic pole electric apparatus.
Fig. 14 is a schematic diagram of a driving magnetic pole apparatus.
Fig. 15 is a control system block diagram.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
One, the composition of the device
The structure of the device is shown in figure 1, a magnetic pole matrix 8 is embedded in a main slideway 13 of a machine shell from the inside, fixed baffles (comprising a left baffle 3 and a right baffle 17) are arranged at two sides, a sliding stop block 10 which can freely slide is arranged at one side of the middle part close to the right baffle 17, and the sliding stop block can slide to any position within the range of the main slideway and is fixed by a locking screw 16; the lead mouth slide block 6 is arranged between the left side baffle 3 and the sliding stop block 10 and can slide freely; the middle of the wire nozzle slide 6 is embedded with a permanent magnet 7, and the outer side is provided with a wire nozzle disc 14; a left damping rubber pad 12 is arranged on the left baffle 3, a right damping rubber pad 15, a left Hall switch 1, a left boosting magnetic pole 2, a right Hall switch 9 and a right boosting magnetic pole 11 are arranged on the free sliding stop block 10; one side of the baffle plates at the two sides is provided with two screw thread holes for fixing with other devices; a rear baffle 4 is arranged behind the main slideway 13 of the shell, and a switch matrix 5 circuit board is arranged on the rear baffle 4; a combined electrode 18 is arranged on the inner side of the lead nozzle slide block 6; different magnetic pole windings can be switched on in the switch matrix along with the movement of the wire mouth; the switch matrix comprises an upper common electrode V U22, lower common electrode V D23, a pole coil 19 crossing the lower common electrode, and a pole contact 24 and a power supply zero point 25 respectively arranged at the upper and lower ends of the pole coil 19, wherein the combined brush 21 is provided with a brush 20; book (I)The inventive apparatus also has a controller, as shown in fig. 15, which comprises: the device comprises a display module, a keyboard module, a magnetic pole matrix power supply reversing driving module, a Hall signal receiving circuit and a 485 communication module for outputting information (the information is important and is the basis for controlling the speed of a winding motor); the magnetic pole matrix drives the wire nozzle to reciprocate under the driving of the controller.
Working process of wire nozzle
(1) For the first power-on, parameters are set firstly: mainly comprises the reciprocating motion speed of a wire nozzle, the distance of a lead and the total number of turns of a winding; the controller controls according to the parameters; before electrifying, the conducting wire mouth is at the starting end (an operator needs to hang the wire at the position); after starting, the controller controls the movement speed of the wire nozzle according to the set parameters and synchronously and serially sends out and displays the speed information on the liquid crystal screen;
(2) when the switch matrix power supply starts to operate, the controller is connected with the switch matrix power supply, the combined electrode moves along with the wire nozzle, and the three magnetic poles are connected at any position to form thrust for pushing the wire nozzle to move;
(3) when the wire nozzle moves from one end to the other end under the drive of the magnetic pole matrix, the permanent magnet in the wire nozzle triggers the Hall element, the singlechip receives a trigger signal to start the boosting magnetic pole, the power direction of the magnetic pole matrix is exchanged, the wire nozzle is pushed to move in the opposite direction in a coordinated manner, and the wire nozzle is pushed to reciprocate in cycles;
(4) the controller calculates the reciprocating speed by detecting the time of the wire nozzle reaching one end, and performs speed regulation according to the set speed;
(5) adjusting the reciprocating lead, namely loosening the jackscrew, adjusting the position of the propeller according to the scale on the shell, fastening the jackscrew, setting corresponding parameters on the keyboard, and adjusting the power supply voltage of the magnetic pole matrix by the controller according to the times, changing the strength of the driving force and controlling the speed;
(6) and the controller controls the parking when the count value reaches the specified number of turns according to the set number of turns.
Third, wire nozzle motion control principle
The operating principle of a wire nozzle; the device generates thrust through the magnetic pole matrix and drives the wire nozzle to move; the magnetic pole matrix structure is shown in fig. 11 and 12; the magnetic pole matrix is actually formed by arranging a relatively independent electromagnet, and the wiring of the magnetic pole matrix is shown in the attached figures 13 and 14; after the electromagnet is electrified, the permanent magnets are either attracted or repelled, and the position relationship between the magnetic pole direction of the permanent magnet embedded in the wire nozzle and the magnetic pole matrix is shown in figure 11; the driving process is described as follows:
referring to FIGS. 2-4, FIGS. 7-10
① in the non-energized state, the combined brush is at the left side of FIG. 7, and stays at the position of coil 0-1-2, and stands still;
② when the device is started, the controller is connected to the driving power supply, the VU positive power supply and VD negative power supply are equal in size and opposite in direction, at this moment, the combined electric brush connects the coil 0 to the positive power supply and connects the coil 1-2 to the negative power supply, the magnetic induction of the magnetic pole emphasizes the direction, see figure 2, and the conducting wire nozzle moves to the position 1-2-3 (dotted line) under the action of the repulsion of the magnetic pole 0 and the attraction of the magnetic pole 2;
③ at position 1-2-3, the position of the combined brush is shown in figure 8, the direction of the magnetic pole is shown in figure 3, and the wire nozzle moves to the position 2-3-4 (dotted line) due to the repulsion of the magnetic pole 1 and the attraction of the magnetic pole 3;
④ similarly, the position of the combined brush is shown in figure 9, the direction of the magnetic pole is shown in figure 4, and the conducting tip moves to the position of 3-4-5 (dotted line) due to the action of the magnetic pole, and so on, as shown in figure 10, the conducting tip moves to the position of the right moving stop block;
⑤ the lead mouth moves to the magnetic sheet on the sliding block end to trigger the Hall device, the controller switches the power direction, namely VU is the negative power supply, VD is the positive power supply, the lead mouth will move in the opposite direction;
⑥ the controller can receive position signals from the left end and the sliding block end no matter the wire nozzle moves to the left end or the right end, the controller switches the power supply direction, starts the boosting magnetic pole, the direction is opposite to the magnetic block direction, generates repulsion force, makes the wire nozzle move in the opposite direction rapidly, shortens the detention time of the wire nozzle at the end point;
⑦ the controller can change the running speed of the wire mouth by controlling the size of VU, VD, and the wire mouth is set stably in the speed range;
⑧ the reciprocating distance of the conducting nozzle is lead and can be adjusted by sliding the stop block, and as can be seen from figures 5 and 6, the conducting nozzle can reliably move in the opposite direction after the power supply is switched no matter where the stop block is adjusted.
In conclusion, the wire nozzle of the invention always adopts a working mode that the wire nozzle is pushed to reciprocate by the change of the magnetic poles of the magnetic pole matrix, a unique switch matrix is adopted to carry out sectional control in the aspect of driving the magnetic poles, energy is utilized to the maximum extent, a driving structure that the wire nozzle returns quickly is adopted at the return point of the motion of the wire nozzle, the return time is effectively shortened, and the Hall switch at the end point is used for detecting the arrival moment of the wire nozzle and reversing the magnetic poles so as to change the motion direction; the structure is easy to be connected with a digital controller, the controller can obtain enough information to be provided to the outside, and the coordination work of the general bearing of the winding motor is met; the structure is optimized, the device has simple structure, the lead screw and the nut are eliminated, and the collision noise is avoided; the slide block of the wire nozzle only slides in the hollow dovetail groove, so that the resistance is reduced to the maximum extent; the right side of the assembly is provided with a slide end which can slide to the free slide end for adjusting the reciprocating distance and is locked by a fastening bolt; various indexes of the wire nozzle device are better considered in various optimization designs. The key points are that the noise, the speed and the lead are continuously adjustable, and the digitization and the like are solved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Magnetoelectric wire is chewed and is always held, including casing main slide, be fixed in left side baffle and the right side baffle at casing main slide both ends, be fixed in the backplate at casing main slide rear, its characterized in that: the bottom in the main slideway of the machine shell is embedded with a magnetic pole matrix, the magnetic pole matrix is provided with a sliding stop block which can slide freely and can be fixed at any sliding position, a wire nozzle slide block which can slide freely is arranged between a left baffle plate and the sliding stop block, a permanent magnet is embedded in the middle of the wire nozzle slide block, a wire disc is arranged on one outer side, a Hall switch and a boosting magnetic pole are arranged on the left baffle plate and the sliding stop block, a switch matrix circuit board is arranged on a rear baffle plate, a combined electrode is arranged on the wire nozzle slide block close to the rear baffle plate side, the combined electrode is connected with different magnetic pole windings on the switch matrix along with the movement of a wire nozzle, and the magnetic pole matrix drives the wire nozzle to reciprocate.
2. The magnetoelectric lead holder assembly according to claim 1, wherein: the magnetic pole matrix is formed by arranging relatively independent electromagnets, and the electromagnets are attracted or repelled with permanent magnets above the electromagnets after being electrified.
3. The magnetoelectric lead holder assembly according to claim 1, wherein: the switch matrix comprises an upper public electrode, a lower public electrode, a magnetic pole coil crossing the lower public electrode, and magnetic pole contacts and a power supply zero point which are respectively arranged at the upper end and the lower end of the magnetic pole coil.
4. The magnetoelectric lead holder assembly according to claim 1, wherein: and shock-absorbing rubber pads are arranged on the left baffle and the sliding stop block.
5. The magnetoelectric lead holder assembly according to claim 1, wherein: the control system comprises a controller, a driving power main switch, a display module, a keyboard module, a magnetic pole matrix power reversing driving module, a Hall signal receiving circuit and an information output communication module, the magnetic pole matrix power supply reversing driving module comprises a voltage regulating driving module and a boosting driving module, the display module is used for receiving and displaying an output signal of the controller, the keyboard module is used for bidirectional communication with the controller, the boosting drive module receives an output signal of the controller and controls the boosting magnetic pole to move, the magnetic pole matrix drives the wire nozzle to reciprocate under the drive of the controller, the voltage regulation driving module switches the power direction after receiving the output signal of the controller, the receiving circuit of the Hall signal is used for transmitting the sensing information of the Hall switch to the controller, and the information output communication module outputs the information of the controller to external equipment.
6. The magnetoelectric lead holder assembly according to claim 1, wherein: and two threaded holes used for being fixed with other devices are formed in one side baffle of the left side baffle and the right side baffle.
7. The method of controlling the movement of a magnetoelectric wire nozzle assembly according to any one of claims 1 to 6, comprising the steps of:
the first step is as follows: firstly, electrifying for the first time, firstly setting parameters: the device comprises the reciprocating motion speed of a wire nozzle, the distance of a lead and the total number of turns of a winding; the controller controls according to the parameters; before electrifying, the conducting wire mouth is at the starting end; after starting, the controller controls the movement speed of the wire nozzle according to the set parameters, and synchronously and serially sends and displays the speed information on the display screen;
the second step is that: when the switch matrix power supply starts to operate, the controller is connected with the switch matrix power supply, the combined electrode moves along with the wire nozzle, and the three magnetic pole windings are connected at any position to form thrust for pushing the wire nozzle to move;
the third step: when the wire nozzle is driven by the magnetic pole matrix to move from one end to the other end, the permanent magnet in the wire nozzle triggers the Hall element, the single chip microcomputer receives a trigger signal to start the boosting magnetic pole, the power direction of the magnetic pole matrix is exchanged, the wire nozzle is pushed to move in the opposite direction in a coordinated mode, and the wire nozzle is pushed to reciprocate in cycles.
8. The method of claim 7 wherein the method further comprises the step of: further comprising a parameter adjusting step, comprising:
1) the controller calculates the reciprocating speed by detecting the time of the wire nozzle reaching one end, and performs speed regulation according to the set speed;
2) the reciprocating lead is adjusted, namely loosening the jackscrew, adjusting the position of the propeller according to the scale on the shell, fastening the jackscrew, setting corresponding parameters on the keyboard, and adjusting the power supply voltage of the magnetic pole matrix by the controller according to the parameters, changing the strength of the driving force and controlling the speed;
3) and the controller controls the parking when the count value reaches the specified number of turns according to the set total number of turns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327406.0A CN108037778B (en) | 2017-12-13 | 2017-12-13 | Magnetoelectric wire nozzle assembly and motion control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711327406.0A CN108037778B (en) | 2017-12-13 | 2017-12-13 | Magnetoelectric wire nozzle assembly and motion control method thereof |
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| Publication Number | Publication Date |
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| CN108037778A CN108037778A (en) | 2018-05-15 |
| CN108037778B true CN108037778B (en) | 2020-07-31 |
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| CN201711327406.0A Active CN108037778B (en) | 2017-12-13 | 2017-12-13 | Magnetoelectric wire nozzle assembly and motion control method thereof |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2337094A1 (en) * | 1975-11-20 | 1977-07-29 | Babcock Wire Equipment | Wire spooling machine control system - includes pulse circuit controlling dancer arm and reciprocating distributor wheel for constant wire tension |
| CN2448808Y (en) * | 2000-11-21 | 2001-09-19 | 平阳县塑料机械总厂 | Single-spindle magnetic winder |
| ITMI20020500A1 (en) * | 2002-03-08 | 2003-09-08 | Savio Macchine Tessili Spa | THREAD GUIDE DEVICE FOR OPEN-END THREADERS |
| CN201176498Y (en) * | 2008-04-01 | 2009-01-07 | 常熟市金龙机械有限公司 | Applique yarn guide and guiding rail used for installing the applique yarn guide |
| CN105366434A (en) * | 2015-11-09 | 2016-03-02 | 浙江日发纺织机械股份有限公司 | Rocker yarn-guiding device |
| CN105936447B (en) * | 2016-06-20 | 2018-08-31 | 武汉纺织大学 | A kind of the linear reciprocation feed carrier and its application method of magnetic drive |
| CN107424838B (en) * | 2017-09-11 | 2019-01-04 | 广东昭信智能装备有限公司 | A kind of I-type magnetic core bus cable device |
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