Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of working stability is provided, simple operation, security reliability is strong, can shut down and directly adjust tension force and tension force angle and the magnetic damping tension precision adjustment device that can enhance productivity automatically.
According to technical scheme provided by the invention, the accurate regulating and controlling device of magnetic damping tension comprises the twining package tape take-off reel, feature is that twining package tape is positioned between the take-off reel, fix by the platen dish, after involving, passes twining package tape tension pick-up, dampened disk places the take-off reel below, fix by the attaching nut, on turning certainly, rolling bearing is housed, dampened disk is housed on turning successively, take-off reel and platen dish, solenoid and turn certainly by the magnetic fixed disk directly be fixed on the revolution body on, the revolution body be installed on the main shaft, controller is connected with slip ring on the main shaft by lead, adjust voltage output after the described controller acquired signal, carbon brush is loaded into the end of slip ring, and slip ring is contained on the main shaft, controller lead-in wire and carbon brush keep in touch, and main shaft is connected by synchronous pulley with direct current machine.
Compared with the prior art the present invention has the following advantages:
(1), working stability, effect is obvious, and the control of the experience of original non-quantitative is become quantitative electrical control, for the product quality of stabilizing and increasing that guarantees around-packing technology provides reliable assurance.
(2), simple operation, particularly security reliability is strong, for the workman provides the good working environment.
(3), can shut down and directly automatically adjust tension force and tension force angle, and can enhance productivity.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As shown in Figure 1 and Figure 2: comprise tension pick-up 1, twining package tape 2, carbon brush 3, slip ring 4, main shaft 5, synchronous pulley 6, direct current machine 7, controller 8 (function is to calculate after the acquired signal to adjust voltage output), take-off reel 9, dampened disk 10, solenoid 11, magnetic fixed disk 12, revolution body 13, the autobiographical type 14, rolling bearing 15, platen dish 16, attaching nut 17, connect polished rod 18, support 19.
The present invention uses direct current 0-24Vdc voltage to control the size that magnetic damping magnetic flux size changes braking force by changing the existing apparatus structure.
The present invention is positioned over twining package tape 2 between the take-off reel 9, fixing by platen dish 16, after involving, passes twining package tape 2 tension pick-up 1, tension pick-up 1 is contained in and connects on the polished rod 18, connect 18 on polished rod on revolution body 13, dampened disk 10 places take-off reel 9 belows, by attaching nut's 17 fixed combination together, at 6 the orientation assembling rolling bearings 15 on 14 of turning certainly, 14 pass platen dish 16 from turning, the central disc aperture of take- off reel 9 and 10 3 dishes of dampened disk, solenoid 11 and turn certainly 14 by magnetic fixed disk 12 directly be fixed on the revolution body 13 on, revolution body 13 is connected with slip ring 4 on the main shaft 5 by lead-in wire with controller 8, carbon brush 3 is loaded into the end of slip ring 4, slip ring 4 also is to be assemblied on the main shaft 5, controller 8 lead-in wires come out and carbon brush 3 keeps in touch, and main shaft 5 is connected by synchronous pulley 6 with direct current machine 7, and main shaft 5 is erected at support 19 tops.Calculate after described controller 8 acquired signal and adjust voltage output.
Described 14 is to be applied between dampened disk and the draw drum from turning, and is fixed on the root flange on the revolution body, and its direction of rotation is consistent with the twining package tape direction.Described revolution body 13 is to be fixed on the main shaft 5, connects the flange of each accessory on the magnetic fixed disk, and it is consistent with the main axis rotation direction.
As shown in Figure 3: controller of the present invention comprises DC/DC power supply changeover device 8-1, TRIAC 8-2, DC current sensor 8-3, LC filter circuit 8-4, the first signal amplifier 8-5-1 and secondary signal amplifier 8-5-2, A/D data acquisition function module 8-6, the first Engineering Control device 8-7-1 and the second Engineering Control device 8-7-2, cell parameters indicator panel 8-8, I/O logic control element 8-9, microprocessor 8-10, pulse-frequency modulation control device 8-11, IGBT circuits for triggering 8-12, short-circuit detecting circuit 8-13 etc.
Power supply changeover device 8-1 connects TRIAC 8-2, TRIAC 8-2 one end connects DC current sensor 8-3, carry out current detecting, the other end connects IGBT circuits for triggering 8-12, DC current sensor 8-3 connects LC filter circuit 8-4 and short-circuit detecting circuit 8-13, carry out short-circuit detecting, IGBT circuits for triggering 8-12 connects pulse-frequency modulation control device 8-11, pulse-frequency modulation control device 8-11 connects the second Engineering Control device 8-7-2 and microprocessor 8-10, microprocessor (model PCC2100) 8-10 linkage unit parameter indicator panel 8-8, logical I/O control unit 8-9, the first Engineering Control device 8-7-1 and the second Engineering Control device 8-7-2, the second Engineering Control device 8-7-2 connects the first Engineering Control device 8-7-1, the first Engineering Control device 8-7-1 connects data acquisition function module 8-6, and data acquisition function module 8-6 connects the first signal amplifier 8-5-1 and secondary signal amplifier 8-5-2.
Power supply is controlled by power supply changeover device 8-1, provide+-5V digital circuit voltage ,+-15V testing circuit voltage, use TRIAC 8-2 to guarantee the break-make road, DC current sensor 8-3 is responsible for current detecting, and LC filter circuit 8-4 plays the current stabilization effect in circuit.
Feedback signal enlarges signal through first signal amplifier 8-5-1 in the controller and secondary signal amplifier 8-5-2 two-way, signal enters data acquisition function module 8-6, enter the first Engineering Control device 8-7-1 then, with carry out parameter and tension force by cell parameters indicator panel 8-8 and set, show, the second Engineering Control device 8-7-2 data are carried out logical error by logical I/O control unit 8-9 and are judged, microprocessor 8-10 carries out numerical computations, be less than until the error of the first Engineering Control device 8-7-1 and the second Engineering Control device 8-7-2 and pre-set, then the size of data that calculates is reached IGBT circuits for triggering 8-12 by pulse-frequency modulation control device 8-11, electric current is become the direct current output of required voltage grade.In whole electrical control, install a short-circuit detecting circuit 8-13 additional and prevent short circuit.
Operating principle of the present invention:
Make main shaft 5 rotate by synchronous pulley 6 conduction during direct current machine 7 work, main shaft 5 rotations drive revolution body 13 and rotate, the autobiographical type 14 is by the drawing tension rotation of twining package tape 2, when changing, twining package tape 2 tension force in wrapped process physical change is converted to the signal of telecommunication by tension pick-up 1, with this feedback signal process controller 8, controller 8 receive after the signal by with set warp tension ratio, regulate the size that the duty that changes the power output switch element recently changes output voltage through tension adjustment and the two closed loop PID of electric current output, by carbon brush 3 and slip ring 4 controller 8 is calculated gained voltage and pass to solenoid 11, the damping force size that is produced between quantitative control solenoid 11 and the dampened disk 10, change take-off reel 9 in the position of turning certainly on 14 thereupon, consistent therewith wrapped tension force and the angle of just having changed reaches the purpose of wrapped paper tape constant tension in wrapped process.