CN2145197Y - Digital-controlled spinning frame - Google Patents

Abstract

The utility model relates to a digital control spinning frame. The machine is mainly composed of an improved front roller driving device, an improved back roller driving device, a yarn cop forming device and a spindle driving device. The devices are respectively driven by each motor, and a computer carries out the digital control for the devices. The machine initiates a great revolution to the transmission mechanism of the spinning frame. The structures for a long term that the transmission ratio of the front and the back rollers and the spindle is adjusted by means of mechanical change wheels are thoroughly changed, and the structures that the yarn cop forming is controlled by a shaped cam and the auxiliary mechanism thereof are changed. The machine has the advantages of simple structure and convenient adjustment. The utility model provides the conditions for the soft production and the SIMS for spinning mills.

Description

Digital-controlled spinning frame

The utility model relate to have drawing-off, all kinds of spinning machines of twisting, winding shaping, be specifically related to a kind of digitally-controlled spinning frame.

At present, the forward and backward roller of ring throstle, spool are shaped and realize separately function by mechanical transmission structure.Generally drag main shaft, realize by gear drive then by a motor.A series, all fine spining machines of FA series of for example spinning each fix-point-enterprise's production of portion in China all are above-mentioned mechanical driving devices.Figure 1 shows that the machine driving schematic diagram of the FA506 that Jingwei Textile Machinery Factory produces now.

Motor 1 drives main shaft 2 by belt transmission, and main shaft 2 drives front roller 5, rear roller 3, middle roller 4 rotations by the set of gears transmission device; Main shaft 2 overlaps more by one, and complicated mechanical transmission device control steel makes plate 6 liftings; Main shaft 2 drives spindle 7 transmissions by machine driving.The yarn even thickness in order to guarantee, twisting is stable, and is wound into needed cop shape, and each inter-agency transmission must keep certain velocity rate, and its ratio is guaranteed by gear.Because the variety range of spinning is very wide, require each inter-agency velocity rate must conversion on the technology with the spinning variation of kind.Therefore on ring throstle, to be equipped with ten of total draft conversion, twist transformation, coiling lifter change wheel number, to obtain good spool in order guaranteeing to spin and to be shaped, also must outfit comprise that at least builder cam, lifting lever, coiling level rise the winding shaping mechanism that device is formed.Above-mentioned each mechanism removes the transmission complexity, adjusts outside the inconvenience, and in spinning process, because each inter-agency movement relation is determined that by gear ratio adjusting range has certain limitation, its optimum performance often is not in full use owing to attending to one thing and lose sight of another.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of by computer numerical control (CNC), infinitely variable speeds, easy to operate, flexible, the spool forming parameter is arbitrarily adjustable, and forming quality is good, be suitable for the high speed doff, not knocking over, spindle speed can be set different rate curves according to the spinning needs, change with the yarn tension that adapts to little yarn, middle yarn, big yarn, reach little breakage, quality height, digitally-controlled spinning frame that production efficiency is high.

The purpose of this utility model can reach by following measure:

A kind of digitally-controlled spinning frame that includes computer 8, display 9, keyboard 10, button 11, reset key 12, indicator lamp 13, printer interface 14, RS-232C interface 15, contactor 16, cleaner induced-draught electric motor 17, contactor 18, cleaner movable motor 19, contactor 20 and induced-draught electric motor 21 is characterized in that being made up of the front roller driving pulley, rear roller transmission device, yarn tube forming device and the spindle driver that have improved.Front roller driving pulley is made up of driver 49, front roller stepper motor 50, belt wheel 51, double-sided toothed belt 52, tensioning pulley 53,54 and 55,56 of left and right sides front rollers; Driver 49 sends the rotating speed of pulse signal control front roller stepper motor 50, belt wheel 51, belt wheel 51 transmission double-sided toothed belts 52 are housed on the front roller stepper motor 50, left and right sides front roller 55,56 and tensioning pulley 53,54 are by double-sided toothed belt 52 transmissions, the sensor 58 that detects its rotating speed is housed on front roller, and sensor 58 detects the signal that obtains and feeds back to computer closed loop control by speed feedback device 57.The rear roller transmission device is made up of driver 39, rear roller stepper motor 40, belt wheel 41, double-sided toothed belt 42, tensioning pulley 43,44, left and right sides rear roller 45,46 and 47,48 of middle rollers; Driver 39 sends the rotating speed of pulse signal control rear roller stepper motor 40, belt wheel 41 is housed on the rear roller stepper motor 40, belt wheel 41 transmission double-sided toothed belts 42, left and right sides rear roller 45,46 and tension band 43,44 be by double-sided toothed belt 42 transmissions, middle roller 47,48 by gear by 45,46 transmissions of left and right sides rear roller.The sensor 38 that detects its rotating speed is housed on rear roller, and sensor 38 detects the signal that obtains and feeds back to computer closed loop control by speed feedback device 37.Yarn tube forming device makes plate 26 be formed by driver 22, shaping stepper motor 23, screw pair (perhaps worm-and-wheel gear) 24, chain rod 25 and steel; Driver 22 sends the rotating speed of pulse signal control shaping stepper motor 23, and shaping stepper motor 23 connects screw pair (perhaps worm-and-wheel gear) 24, and screw pair (perhaps worm-and-wheel gear) 24 makes plate 26 be connected by chain 25 and steel.Spindle driver by D/A converter 27, frequency converter 28, spindle motor 29, belt wheel 31, single-face tooth-shapedly be with 32, main shaft 33, cylinder 59, spindle band 34 and spindle 35 formed; Data input D/A converter 27 by computer output, D/A converter 27 is with the aanalogvoltage input port of the aanalogvoltage input converter 28 after the conversion, frequency converter 28 is according to the Control of Voltage spindle motor 29 of input, belt wheel 31 is housed on the spindle motor 29, be with 32 to be connected on main shaft 33, the main shaft 33 with another belt wheel cylinder 59 is housed by single-face tooth-shaped, the rotation of cylinder 59 and spindle 35 is connected by spindle band 34.The sensor 30 that detects its rotating speed is housed on the spindle motor transmission main shaft, and sensor 30 detects the signal that obtains and feeds back to computer closed loop control by speed feedback device 36.

The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.

Fig. 1 is the machine driving schematic diagram of FA506 fine spining machine.

Wherein: 1-motor 2-main shaft 3-rear roller 4-middle roller 5-front roller 6-steel makes plate 7- spindle 60,61,64,65,66,67,68,69,70 be gear, and 62, the 63-belt pulley

Fig. 2 is the transmission schematic diagram of digitally-controlled spinning frame.

Wherein: 8-computer 9-display 10-keyboard 11-button 12-reset key 13-indicator lamp 14-printer interface 15-RS- 232C interface 16,18,20-contactor 17-cleaner induced-draught electric motor 19-cleaner movable motor 21-induced-draught electric motor 22,39,49-driver 23-shaping stepper motor 24-screw pair (perhaps worm-and-wheel gear) 25-chain rod 26-steel makes plate 27-D/A converter 28-frequency converter 29- spindle motor 30,38,58- sensor 31,41, the single-face tooth-shaped band of 51-belt wheel 32-33-main shaft 34-spindle band 35- spindle 36,37,57-speed feedback device 40-rear roller stepper motor 42,52-double-sided toothed belt 43,44,53,54-tensioning pulley 45,46-rear roller 47,48-middle roller 50-front roller stepper motor 55,56-front roller 59-cylinder.

The FA506 fine spining machine is an example to spin No. 27.8 yarns, adjustment process: select for use thick yarn number to count 494Tex earlier, the thin yarn number that spins is counted 27.8Tex.Calculate drafting multiple:

(thick yarn number number)/(thin yarn number number)=494/27.8=17.77

Look into the drafting multiple table, immediate collocation is 17.79 times, selects change gear: gear 60=59T, and gear 61=88T supposes that ingot speed is 16000r.p.m; Select belt pulley: belt pulley 62=φ 200, belt pulley 63=φ 200 calculates the required twist, determines twist factor 2=400 earlier, according to formula

$\mathrm{T\; =\; <figure-callout\; id="1"\; label="aT"\; filenames="922310890\_DRIMG2.png"\; state="\{\{state\}\}">aT</figure-callout>}\frac{1}{\sqrt{\mathrm{Tex}}}\mathrm{=\; 400}\frac{1}{\sqrt{\mathrm{27.8}}}\mathrm{=\; 758.6}$

Looking into the immediate collocation value of twist transformation gear table is that 760 sth. made by twisting/Mi Suoxuan gears are: gear 64=77T, gear 65=87T, gear 66=60T, gear 67=60T;

Determine the coiling gear: known steel makes diameter=φ 42, and coiling half-angle r angle is 13 °, and roll diameter=φ 39, spool diameter phi 17; The lifting traverse is 47.6.Table look-up and draw: gear 68=64T, gear 69=58T;

The choosing level rises ratchet:

Make diameter phi 42 according to steel, roll diameter φ 39, spool diameter phi 17, coiling half-angle γ=13 °, spinning number 27.8Tex

Table look-up and draw the ratchet number of teeth and be: ratchet 70=60T, support 2 teeth at every turn, a level rise is 0.359mm/ time.

The backsight cop build is spun in examination and the resultant yarn test case is done suitable adjustment.

The utility model has changed the operation of prior art fully, uses and method of adjustment.Setting adjustment process of the present utility model:

Yarning process parameter is got final product by keyboard input computer with means of man-machine.Specifically:

1, select yarning process parameter to set menu;

2, put question to order to import item by item according to computer:

(1) thick yarn number number: G494

(2) thin yarn number number: Tex27.8 drafting multiple correction factor K ₁: K ₁=1

(3) spindle speed: ns 16000rpm

(4) twist factor: α T 400

(5) steel makes diameter: φ 42

(6) spool diameter: φ 17

(7) roll diameter: φ 39

(8) winding radius: 13 °

(9) lifting traverse: 47.5

(10) spinning length: L 2800M

Get by the computer-internal computing:

(1) front roller speed

$\mathrm{nfr\; =}\frac{\mathrm{100ns·}\sqrt{\mathrm{Tex}}}{\mathrm{25·\pi ·aT}}\mathrm{=\; 268.5/min}$

(2) drafting multiple: K=(G)/(Tex)=494/27.8=17.77

(3) rear roller speed nbr=K ₁(nfr)/(K) commentaries on classics/min=15.1

(4) can calculate the positive rotary speed of shaping stepper motor respectively, just change time, speed reversal, reversing time according to the twist factor, roll diameter, spool diameter, spindle rotating speed, lifting traverse of input, thin yarn number number, coiling half-angle.

When spinning, computer will become instruction according to the data that calculate and remove to control spindle motor, front and back roller stepper motor, shaping stepper motor.Above motor is controlled spindle, the rotating speed of forward and backward roller and the rising or falling speed that steel makes plate by mechanical transmission mechanism as shown in Figure 2, and when the spinning total length arrived preseting length numerical value, computer sent the cutoff command of doffing, and finishes a spinning process that doffs.

The utility model has changed operation, use, the method for adjustment of original technology fully, spindle speed, forward and backward roller speed, spool are shaped all by computer numerical control (CNC), infinitely variable speeds, flexible to operation, the parameter that spool is shaped is arbitrarily adjustable, forming quality is good, is suitable for the high speed doff, not knocking over.Spindle speed can be set different rate curves according to the spinning needs, changes with the yarn tension that adapts to little yarn, middle yarn, big yarn, reaches little breakage, quality height, the purpose that production efficiency is high.Compared with prior art every fine spining machine saves machine components kinds more than 340 such as gear, worm and gear, planetary reduction gear, save steel and make one of plate lifting motor, one of lubricating oil pump motor and other be the lubricating oil control system at regular time and quantity, save more than 20 on relay, correspondingly also give to adjust, maintaining brings great convenience, rotational noise reduces greatly.The machine yarning process parameter and the machine run state of prior art can't show, perhaps increase special-purpose parameter display instrument, to show parameters with charactron behind the sensor measurement.The utility model can not only show parameters easily, can also show various curves, chart, can select different language (China and British, day, Russia) to carry out the human-computer dialogue operation according to setting.Through the computer program parameter setting, also can spin change diameter style yarn.

Claims (8)

1, a kind of digitally-controlled spinning frame that includes computer 8, display 9, keyboard 10, button 11, reset key 12, indicator lamp 13, printer interface 14, RS-232C interface 15, contactor 16, cleaner induced-draught electric motor 17, contactor 18, cleaner movable motor 19, contactor 20 and induced-draught electric motor 21 is characterized in that being made up of the front roller driving pulley, rear roller transmission device, yarn tube forming device and the spindle driver that have improved.

2, digitally-controlled spinning frame according to claim 1 is characterized in that described front roller driving pulley is made up of driver 49, front roller stepper motor 50, belt wheel 51, double-sided toothed belt 52, tensioning pulley 53,54 and 55,56 of left and right sides front rollers; Driver 49 sends the rotating speed of pulse signal control front roller stepper motor 50, and belt wheel 51, belt wheel 51 transmission double-sided toothed belts 52 are housed on the front roller stepper motor 50, and left and right sides front roller 55,56 and tensioning pulley 53,54 are by double-sided toothed belt 52 transmissions.

3, digitally-controlled spinning frame according to claim 1 is characterized in that described rear roller transmission device is made up of driver 39, rear roller stepper motor 40, belt wheel 41, double-sided toothed belt 42, tensioning pulley 43,44, left and right sides rear roller 45,46 and 47,48 of middle rollers; Driver 39 sends the rotating speed of pulse signal control rear roller stepper motor 40, belt wheel 41 is housed on the rear roller stepper motor 40, belt wheel 41 transmission double-sided toothed belts 42, left and right sides rear roller 45,46 and tension band 43,44 be by double-sided toothed belt 42 transmissions, middle roller 47,48 by gear by 45,46 transmissions of left and right sides rear roller.

4, digitally-controlled spinning frame according to claim 1 is characterized in that described yarn tube forming device makes plate 26 be formed by driver 22, shaping stepper motor 23, screw pair (perhaps worm-and-wheel gear) 24, chain rod 25 and steel; Driver 22 sends the rotating speed of pulse signal control shaping stepper motor 23, and shaping stepper motor 23 connects screw pair (perhaps worm-and-wheel gear) 24, and screw pair (perhaps worm-and-wheel gear) 24 makes plate 26 be connected by chain 25 and steel.

5, digitally-controlled spinning frame according to claim 1, it is characterized in that described spindle driver by D/A converter 27, frequency converter 28, spindle motor 29, belt wheel 31, single-face tooth-shapedly be with 32, main shaft 33, cylinder 59, spindle band 34 and spindle 35 formed; Data input D/A converter 27 by computer output, D/A converter 27 is with the aanalogvoltage input port of the aanalogvoltage input converter 28 after the conversion, frequency converter 28 is according to the Control of Voltage spindle motor 29 of input, belt wheel 31 is housed on the spindle motor 29, be with 32 to be connected on main shaft 33, the main shaft 33 with another belt wheel cylinder 59 is housed by single-face tooth-shaped, the rotation of cylinder 59 and spindle 35 is connected by spindle band 34.

6, digitally-controlled spinning frame according to claim 1 and 2 is characterized in that being equipped with the sensor 58 that detects its rotating speed on front roller, sensor 58 detects the signal that obtains and feeds back to computer closed loop control by speed feedback device 57.

7, according to claim 1 or 3 described digitally-controlled spinning frames, it is characterized in that on rear roller, being equipped with the sensor 38 that detects its rotating speed, sensor 38 detects the signal that obtains and feeds back to computer closed loop control by speed feedback device 37.

8, digitally-controlled spinning frame according to claim 1 or 5 is characterized in that being equipped with the sensor 30 that detects its rotating speed on spindle motor 29 transmission main shafts, sensor 30 detects the signal that obtains and feeds back to computer closed loop control by speed feedback device 36.

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