CN2647877Y

CN2647877Y - Micro-computer controlling multi motor rover

Info

Publication number: CN2647877Y
Application number: CN 03221557
Authority: CN
Inventors: 汤坚; 顾菊民; 吴克明; 沈丽芳; 周镭
Original assignee: Jiangsu Hongyuan Textile Machinery Co ltd
Current assignee: Wuxi Hongyuan Electromechanical Technology Co., Ltd.
Priority date: 2003-04-30
Filing date: 2003-04-30
Publication date: 2004-10-13
Anticipated expiration: 2013-04-30

Abstract

The utility model discloses a cotton spinning fly frames driven by multi-electric motor in spinning roving and is controlled by microcomputer, comprising a feeding unit, extension, twisting, convolution and spindle rail lifting unit driven by separate electric motor respectively. The fly frames, through the closed loop controlling system comprised by a microcomputer, a plurality of monitoring sensors, a driving controller, by determinate mathematical rule, controls the synchronized operation of the electric motors, realizing synchronized matching for roving wind. The utility model has simple structure, convenient use and maintenance, high quality of roving, and is widely applied to cotton spinning machinery.

Description

Many motors of microcomputerized control Speed frames

One, technical field

The utility model relates to a kind of textile machine, particularly a kind of many motors of microcomputerized control cotton spinning Speed frames that are used to spin rove.

Two, background technology

On existing Speed frames, by a main drive of motor, by the motion match between complicated mechanical driving-chain realization feeding unit, drafter, twisting mechanism, winding mechanism and the rail elevating mechanism.For satisfying the spinning process requirement of different cultivars, existing Speed frames have following characteristics: 1, for making regular roving feeding meet production engineering specifications, need select different draft gears for use, reach the drawing-off distribution ratio of required front and back draw zone; 2, the twist is the flier rotating speed and the ratio of front roller output speed, for the running speed that makes flier and roller meets production engineering specifications, needs the choose reasonable twist gear; 3, because bobbin winding speed and down rail rising or falling speed descend according to a certain percentage along with the increase of reeling roving diameter, need to obtain the biconial package of rove by curve cone pulley gear and complicated shaping changement; 4, in spinning process, obtain the tension force that suits for the rove that makes different cultivars, also be provided with tension ratchet and two kinds of tension force change gears on the Speed frames, so that by different collocation between these three kinds of technology change gears, realize the each different amount of movement of cone pulley belt, the winding speed when obtaining different cultivars, different winding diameter; 5, regulate the rising or falling speed of down rail by the variation of lifter wheel, make it to mate synchronously, realize that rove is by certain rolling density coiling with the winding speed of bobbin.

For realizing above-mentioned functions, on traditional Speed frames, disposed the technology change gear of kind surplus in the of 142, wherein kind is twist technology change gear and draft process change gear surplus in the of 80, and kind is a lifting technology change gear surplus in the of 20, and kind is tension ratchet and tension force change gear surplus in the of 40.The shortcoming of this Speed frames is: 1, complex structure, manufacturing cost height; 2, debug and keep in repair loaded down with trivial details, trouble; 3, the roving yarn quality level is low.

Three, utility model content

The purpose of this utility model is the shortcoming that will overcome prior art, provide a kind of simple in structure, manufacture difficulty is low, operation, use, debugging and many motors of microcomputerized control Speed frames easy to maintenance and that the roving yarn quality level is high.

Above-mentioned purpose of the present utility model is achieved through the following technical solutions:

Many motors of microcomputerized control Speed frames described in the utility model comprise feeding unit, drafter, twisting mechanism, winding mechanism and elevating mechanism, and described feeding unit is formed by connecting by one group of sliver roller; Drafter is formed by connecting by one group of roller; Twisting mechanism comprises flier, false twister, bobbin rail; Winding mechanism comprises bobbin, bobbin gear, down rail, and bobbin is connected with the bobbin gear, and the bobbin gear is installed on the down rail; Elevating mechanism comprises lifter wheel and lifter rack carriage, lifter wheel is installed on the lifter rack carriage, it is characterized in that: described feeding unit also comprises sliver motor M 7, feeding transmission section 18, and sliver motor M 7 is connected with one group of sliver roller by feeding transmission section 18; Drafter also comprises drawing-off motor M 4, M5, M6 and drawing-off transmission section, and drawing-off motor M 4 is connected with roller by drawing-off transmission section, and drawing-off motor M 5 is connected with roller by drawing-off transmission section, and drawing-off motor M 6 is connected with roller by drawing-off transmission section; Twisting mechanism also comprises twisting motor M 1, twisting transmission section, and twisting motor M 1 is connected with twisting mechanism by twisting transmission section; Winding mechanism also comprises coiling motor M 2, coiling transmission section, and coiling motor M 2 is connected with winding mechanism by coiling transmission section; Elevating mechanism also comprises lifting motor M3, lifting transmission section, reverse box, clutch, gearbox drive section, lifting motor M3 is connected with an end of reverse box by lifting transmission section, and the other end of reverse box is connected with lifter wheel by the gearbox drive section.Described feeding unit is by the sliver motor-driven; By motor-driven independently separately, the running of each motor is by the control system Synchronization Control respectively for drafter, twisting mechanism, winding mechanism and elevating mechanism.

For the control motor speed between each mechanism can be matched each other, it is good to guarantee that rove is shaped, and the control system of described many motors of microcomputerized control Speed frames is by certain Mathematical Modeling rule, the coordination operation of each motor of Synchronization Control.

Described many motors of microcomputerized control fly frames control system comprises master controller B, have the parameter instrument A of touch-screen, the sensor C with tension force measuring ability and control module D1, D2, D3, D4, D5, D6, parameter instrument A all is connected with master controller B with sensing receiver C, and motor M 1, M2, M3, M4, M5, M6 are connected with master controller B by control module D1, D2, D3, D4, D5, D6 respectively.Master controller by certain Mathematical Modeling rule, is regulated each rotating speed of motor by control module according to the technological parameter that sets in advance in parameter instrument and the sensor.Master controller can be the special-purpose micro computer that the characteristics according to Speed frames design.By the drafter of four row rollers to forming, two, three and rear roller directly be connected mutually respectively with the shaft of three motors, the output axle head of every motor all is connected to coaxial sensor, and detected motor speed signal is fed back to the control module of motor, realizes closed-loop control.When changing the spinning kind, when draw ratio and drawing-off distribute arts demand to change, can change three roller rotating speed of motor by master controller and realize.

For preventing that sliver from producing unexpected elongation, improve yarn quality, described many motors of microcomputerized control Speed frames, the transmission of sliver roller in the feeding unit is separated with drafter, other is provided with the independent transmission first row sliver roller of sliver motor of a platform independent, again with identical linear velocity than remaining sliver roller of transmission, directly drive the sliver rotating speed of motor by master controller, when the sliver that can adapt to different cultivars has different fibre cohesions, adopt different feeding ratios.

Described many motors of microcomputerized control Speed frames are independently controlled the running of flier by a twisting motor, when needing to change roving twist, master controller is a benchmark with the rotating speed of flier, the signal that calculates gained front roller rotating speed is sent to the control module of front roller motor, drive front roller motor and drive the front roller running, simultaneously, the control module of three rollers and four rollers is controlled the running of three rollers and four rollers with predetermined draw ratio servo-actuated.

In many motors of microcomputerized control Speed frames described in the utility model, the coiling motor is driven by master controller, control module, drives the bobbin running by the transmission section; Down rail is packed on the lifter rack and makes rectilinear motion up and down with the revolution of lifting shaft, drives bobbin and does spiral escalation or decline.After starting, does lifting motor the running of a direction, send pulse signal respectively to two commutation electromagnetic clutchs that are packed on the same power transmission shaft by master controller, by the difference adhesive and the disconnection of two electromagnetic clutchs, change the rotation direction of lifting shaft, finish the commutation of down rail.

Speed frames described in the utility model have the following advantages:

1, feeding unit, drafter, twisting mechanism, winding mechanism, the elevating mechanism of many motors of microcomputerized control Speed frames described in the utility model, owing to adopted independently drive of motor, its mechanism simplifying, manufacture difficulty are low; 2, the master controller of many motors of microcomputerized control Speed frames described in the utility model is special-purpose micro computers that the characteristics according to Speed frames design, done optimization at aspects such as resource distribution, operation method, program structures, that short, data of reaction time are handled is fast, precise control, real-time are good, manipulates, debugging and easy to maintenance; 3, many motors of microcomputerized control Speed frames described in the utility model are owing to adopt microcomputerized control, roving yarn quality level height.

Four, description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is an electrical control block diagram of the present utility model.

Five, the specific embodiment

Below by instantiation the utility model is described in more detail.

As shown in the figure, 1,2,3,4, the 5th, sliver roller, the 6th, rear roller, 7 is three rollers, 8 is two rollers, the 9th, front roller, the 10th, flier, the 11st, false twister, the 12nd, bobbin, the 13rd, bobbin gear, the 14th, bobbin rail, the 15th, down rail, the 16th, lifter wheel, the 17th, lifter rack carriage, 18 feeding transmission sections, 19,20, the 21st, drawing-off transmission section, the 22nd, twisting transmission section, the 23rd, coiling transmission section, the 24th, lifting transmission section, the 25th, reverse box, the 26th, clutch, the 27th, gearbox drive section, the 28th, sliver can, the 29th, sliver, the 30th, rove bar, M1 are the twisting motors, and M2 is the coiling motor, M3 is a lifting motor, M4, M5, M6 is the drawing-off motor, and M7 is the sliver motor, and A is the parameter instrument, B is a master controller, C is a sensor, D1, D2, D3, D4, D5, D6 is a control module, P1, P2, P3, P4, P5, P6 is a rotary encoder.

Parameter instrument A of the present utility model adopts touch-screen to finish interactive function, the yarning process parameter that can set in advance has: the flier rotating speed, full yarn rotating speed, sliver feeding ratio, the primary area draw ratio, the back area draft ratio, twist value, tension value is set, wrap factor, rolling density, every layer thickness, characteristic coefficient, shaping angle etc., sending master controller B to controls spinning process, master controller B is the special-purpose micro computer that the characteristics according to Speed frames design, in resource distribution, operation method, optimization has been done in aspects such as program structure, reaction time is short, data are handled fast, precise control, real-time is good, and the touch-screen that the real-time status that will detect or calculate from master controller B is sent to parameter instrument A shows: current ingot speed, current meter is long, the current coiling number of plies, spinning tension etc.

In Fig. 1, sliver 29 is pulled from bar bucket 28, enter feeding unit, import drafter by

sliver roller

1,2,3,4,5 respectively, the first row sliver roller 5 by the rotating speed of master controller B according to sliver 29 feeding ratios and rear roller 6, calculates the rotating speed of sliver roller 5 by sliver motor M 7 single driving, according to the velocity variations situation and the required precision of this part, adopt the control method of control signal directly being exported to sliver motor M 7.

Drafter comprises that four row rollers are to 6,7,8,9, wherein an end of two rollers 8, three rollers 7, rear roller 6 is connected with the shaft of servomotor M4, M5, M6 mutually by

transmission section

19,20,21 respectively, is respectively servo controller D4, D5, the D6 as control module between servomotor M4, M5, M6 and the master controller B.Two rollers 8 of drafting system recently turn round with fixing rotating speed by transmission section 19 and front roller 9.Drafting system can promptly be taken out two rollers 8 by three row rollers to forming.

Enter the gripping jaw of the sliver 29 of drafter, pass through three rollers 7, two rollers 8 of drafter, the drawing-off of front roller 9 respectively, be elongated drawing-down and become rove bar 30 through rear rollers 6.

Master controller B basis sets in advance the yarning process parameter in parameter instrument A: flier rotating speed, full yarn rotating speed, primary area draw ratio, back area draft ratio, twist value, require to calculate the rotating speed of four row rollers according to certain transmission, by the RS-485 communication modes, between master controller B and servo controller D4, D5, D6, carry out transfer of data.

Each servomotor M4, M5, M6 inside all have rotary encoder P4, a P5, P6 respectively, carry out closed-loop control with interrupt mode between servomotor and servo controller.

Adopt the control of said method counter extensioin multiple quite accurate, and can steplessly adjust, therefore, it also is very accurate that the theory of regular roving feeding is controlled.

In twisting mechanism, flier 10 is installed on the bobbin rail 14, and its rotating speed is the leading indicator of Speed frames, Speed frames by transmission section 22 by twisting motor M 1 single driving flier 10.

Master controller B is with the RS-485 communication modes, carries out transfer of data with frequency converter as control module D1.Rotary encoder P1 detects the actual speed of flier, by in program, adopting the processing mode of interrupt routine, the pulse signal of encoder is directly received on the interrupt source signal of master controller B outside, when the code device signal pulse occurs, each pulse produces once to be interrupted, interrupt handling routine operation one-accumulate guarantees the accurate of counting, guarantees that the rotating speed of flier 10 meets the requirement of technological design.

In winding mechanism, rove will be wound into the bicone package, and bobbin need be done the motion of both direction: make rectilinear motion up and down with down rail when the flier king-rod is made circular motion.

In many motors of microcomputerized control Speed frames winding mechanism described in the utility model, bobbin 12 is inserted between the king-rod of the bobbin gear 13 that is installed on the down rail 15 and flier 10, bobbin gear 13 by transmission section 23 by coiling motor M 2 single driving.

Master controller B is according to the Mathematical Modeling of reeling roving shaping law, calculate the theoretical winding speed of bobbin 12 when one deck rove whenever, with the RS-485 communication modes with carry out transfer of data as the frequency converter of control module D2, drive bobbin and turn round according to certain rules.

Be installed in the rotary encoder P2 of coiling motor M 2 inside, be used to detect the actual speed of bobbin 12,, signal pulse is sent to master controller B, guarantee that tension in the roving is stable by in program, adopting the processing mode of interrupt routine.

Between the false twister 11 at front roller 9 and flier 10 tops, the sensor C that can detect tension in the roving is installed, detect the tension value of rove between front roller 9 and the false twister 11 in real time, and feed back to master controller B, make comparisons with predefined tension value, exceed the fluctuation range of permission, master controller B sends control signal, the rotating speed of fine setting coiling motor M 2 makes spinning tension that sensor C records in predetermined scope.Sensor C adjusts spinning tension in real time, and can eliminate the cotton mill because of the tension in the roving fluctuation that the variation of humiture, raw material etc. causes, realizes that real permanent tension force spins.

In elevating mechanism, down rail 15 is installed on the lifter rack carriage 17, and lifter wheel 16 joins by transmission section 27 and reverse box 25, and this gear-box has auto-lock function, realize changing automatically lifter wheel 16 gyratory directions by two clutches 26, realize the elevating movement of down rail 17.Reverse box 25 by lifting motor M3 by transmission section 24 single driving.

Master controller B is according to the Mathematical Modeling of reeling roving shaping law and be set in advance in shaping angle among the parameter instrument A, calculate whenever when one deck rove, the traverse of bobbin 12 liftings, carry out transfer of data with RS-485 communication modes and frequency converter D3, drive down rail 15 and do elevating movement, in conjunction with the revolution of bobbin 12, be wound into diconical rove package.

Rotary encoder P3 is used to detect the actual rising or falling speed of bobbin 12, by adopt the processing mode of interrupt routine in program, signal pulse is sent to master controller B, and it is good to guarantee that rove is shaped.

After the acting in conjunction of rove bar 29 through twisting mechanism, winding mechanism, elevating mechanism, be wound into the good biconial rove package of shape.

Claims

1, a kind of many motors of microcomputerized control Speed frames comprise feeding unit, drafter, twisting mechanism, winding mechanism and elevating mechanism, and described feeding unit is formed by connecting by one group of sliver roller (1,2,3,4,5); Drafter is formed by connecting by one group of roller (6,7,8,9); Twisting mechanism comprises flier (10), false twister (11), bobbin rail (14); Winding mechanism comprises bobbin (12), bobbin gear (13), down rail (15), and bobbin (12) is connected with bobbin gear (13), and bobbin gear (13) is installed on the down rail (15); Elevating mechanism comprises lifter wheel (16) and lifter rack carriage (17), lifter wheel (16) is installed on the lifter rack carriage (17), it is characterized in that: described feeding unit also comprises sliver motor (M7), feeding transmission section (18), and sliver motor (M7) is connected with one group of sliver roller (1,2,3,4,5) by feeding transmission section (18); Drafter also comprises drawing-off motor (M4, M5, M6), drawing-off transmission section (19,20,21), drawing-off motor (M4) is connected with roller (8,9) by drawing-off transmission section (19), drawing-off motor (M5) is connected with roller (7) by drawing-off transmission section (20), and drawing-off motor (M6) is connected with roller (6) by drawing-off transmission section (21); Twisting mechanism also comprises twisting motor (M1), twisting transmission section (22), and twisting motor (M1) is connected with twisting mechanism by twisting transmission section (22); Winding mechanism also comprises coiling motor (M2), coiling transmission section (23), and coiling motor (M2) is connected with winding mechanism by coiling transmission section (23); Elevating mechanism also comprises lifting motor (M3), lifting transmission section (24), reverse box (25), clutch (26), gearbox drive section (27), lifting motor (M3) is connected by the end of lifting transmission section (24) with reverse box (25), and the other end of reverse box (25) is connected with lifter wheel (16) by gearbox drive section (27).

2, many motors of microcomputerized control Speed frames according to claim 1, it is characterized in that: described many motors of microcomputerized control fly frames control system comprises master controller (B), have the parameter instrument (A) of touch-screen, have the sensor (C) and the control module (D1, D2, D3, D4, D5, D6) of tension force measuring ability, parameter instrument (A) all is connected with master controller (B) with sensing receiver (C), and motor (M1, M2, M3, M4, M5, M6) is connected with master controller (B) by control module (D1, D2, D3, D4, D5, D6) respectively.

3, many motors of microcomputerized control Speed frames according to claim 2 is characterized in that: the first row sliver roller (5) in the described feeding unit is connected with motor (M7), and motor (M7) is connected with master controller (B).

4, many motors of microcomputerized control Speed frames according to claim 1 and 2 is characterized in that: described drawing-off motor (M4, M5, M6) and coiling motor (M2) are servomotors.

5, many motors of microcomputerized control Speed frames according to claim 1 and 2 is characterized in that: described drawing-off motor (M4, M5, M6) coiling motor (M2), twisting motor (M1) and lifting motor (M3) are variable-frequency motors.