CN210796759U

CN210796759U - Spinning frame

Info

Publication number: CN210796759U
Application number: CN201921770419.XU
Authority: CN
Inventors: 胡晋; 唐兴中
Original assignee: Foshan Jinsi Road Line Industry Co ltd
Current assignee: Foshan Jinsi Road Line Industry Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-19
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to a yarn production facility field, aim at providing a spinning frame, its technical scheme main points are including the frame with rack-mounted yarn guide bar, yarn guide bar top position is provided with the filament cutter, install in the filament cutter and be used for monitoring whether the yarn breaks off and convert the yarn disconnection into the woof tension sensor of signal of telecommunication output, the output electric connection of yarn sensor has microcontroller, electric connection has the amplification unit who is used for enlargiing woof tension sensor's output signal between woof tension sensor's the output and microcontroller's input, microcontroller's output and filament cutter electric connection, electric connection has the first switch spare that is used for controlling the action of filament cutter between microcontroller's the output and the input of filament cutter. The utility model is suitable for a yarn production.

Description

Spinning frame

Technical Field

The utility model relates to a yarn production facility field, more specifically say, it relates to a spinning frame.

Background

Yarns are generally made by splicing a plurality of staple fibers of varying lengths or by twisting very long continuous filaments. The spinning process generally includes raw material preparation, opening, impurity removal, mixing, carding, merging, drafting, twisting, winding and the like.

The spinning frame is used as the main spinning machine and mainly comprises a feeding mechanism, a drafting mechanism, a twisting and winding mechanism and a forming mechanism. The feeding mechanism comprises a roving frame, a yarn guide rod and a traversing device, and is used for supporting the roving, smoothly feeding the roving into the drafting mechanism, reducing the accidental drafting of the roving and protecting the rubber ring rubber roll. The drafting mechanism comprises a roller, a rubber ring and a pin collector to further uniformly elongate and thin the yarn to the linear density required by the finished yarn. The twisting winding mechanism and the forming mechanism comprise a lappet, a yarn guide hook, a yarn separating plate, a steel collar, a steel wire ring, a bobbin, a spindle, a rolling disc, a tape disc, a lifting device of the steel collar plate and the lappet and a forming transmission mechanism.

The roving is unwound from a roving tube on a roving frame spindle, penetrates into a traversing yarn guide bell mouth through a yarn guide rod, is fed into a drafting device, and is drafted by the difference of the surface speeds of three pairs of rollers; the drafted fiber strands are discharged from a front roller, pass through a steel wire ring through a yarn guide hook, and rotate at a high speed on a steel collar to twist the fiber strands; the bobbin tightly sleeved on the spindle synchronously rotates at a high speed along with the spindle, so that the tensioned yarn generates tension to drive the steel wire ring to rotate at a high speed and generate twisting action, and meanwhile, as the rotating speed of the steel wire ring is lower than that of the bobbin, the front roller continuously outputs and orderly winds the twisted yarn on the bobbin. The rotating speed difference between the steel wire ring and the bobbin is the winding number of the bobbin in unit time. The ring plate is lifted according to a certain rule by the control of the forming mechanism, so that the spun yarn is wound into a cop in a certain shape.

In the process that the yarn is unwound from the coarse sand tube and wound to the bobbin through the yarn guide rod, once one end of the yarn close to the bobbin is disconnected, the disconnected yarn is wound on the yarn guide rod due to the fact that the machine still continues to operate, and yarn waste to a certain extent is caused until workers perform wiring again.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spinning frame, it has the function of in time cutting the yarn of wraparound on the yarn guide rod after the yarn disconnection to reduce the yarn volume of yarn winding of disconnection on the yarn guide rod, and then reduce the waste of yarn, reduce economic loss.

The above technical purpose of the present invention can be achieved by the following technical solutions: a spinning frame comprises a frame and a yarn guide rod arranged on the frame, wherein a yarn cutter is arranged above the yarn guide rod, a weft yarn tension sensor used for monitoring whether yarns are broken and converting the broken yarns into electric signals to be output is installed in the yarn cutter, the output end of the yarn sensor is electrically connected with a microcontroller, an amplifying unit used for amplifying the output signals of the weft yarn tension sensor is electrically connected between the output end of the weft yarn tension sensor and the input end of the microcontroller, the output end of the microcontroller is electrically connected with the yarn cutter, and a first switch used for controlling the action of the yarn cutter is electrically connected between the output end of the microcontroller and the input end of the yarn cutter.

By adopting the technical scheme, the yarn is abutted against the cutter rest of the filament cutter and passes through the lower part of the yarn guide rod and is wound on the bobbin, when the yarn is disconnected near one end of the bobbin, the weft yarn tension sensor senses the disconnection of the yarn and outputs an electric signal, the electric signal is amplified by the amplifying unit and then input into the microcontroller, the microcontroller receives the trigger signal and outputs a control signal to the filament cutter, the control signal enables the first switch to act, the first switch controls the filament cutter to cut off the other end of the disconnected yarn, and the spinning frame has the function of timely cutting the yarn wound on the yarn guide rod after the yarn is disconnected, so that the yarn quantity of the disconnected yarn wound on the yarn guide rod is reduced, the yarn waste is reduced, and the economic loss is reduced.

Preferably, the amplifying unit comprises an operational amplifier U1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a resistor Rp1, the output end of the weft tension sensor is connected with the positive input end of the operational amplifier U1 through a resistor R2, the output end of the weft tension sensor is grounded through a resistor R1, the negative input end of the operational amplifier U1 is grounded through a resistor R3, the output end of the operational amplifier U1 is connected with the input end of the microcontroller, and the resistor R4 and the resistor Rp1 are connected in series between the output end of the operational amplifier U1 and the input end of the microcontroller.

By adopting the technical scheme, the output electric signal of the weft yarn tension sensor is amplified and output by the amplifying unit consisting of the operational amplifier U1, the resistor R1, the resistor R2, the resistor R3, the resistor R4 and the resistor Rp1, so that the purpose of improving the sensitivity of the microcontroller is realized, and the microcontroller is controlled more accurately.

Preferably, the first switch comprises a triode VT1 and a relay KT1, the output end of the microcontroller is connected with the base electrode of the triode VT1 through a resistor R5, the collector electrode of the triode VT1 is electrically connected with the relay KT1, and the delay disconnection normally-open contact KT1-1 of the relay KT1 is connected in the power-on loop where the filament cutter is located.

Through adopting above-mentioned technical scheme, microcontroller indirectly controls the work of filament cutter through first switch spare to the condition emergence that can't drive filament cutter work is not enough to avoid microcontroller's output takes place.

Preferably, the output end of the microcontroller is electrically connected with a light-emitting unit for warning workers when the yarns are disconnected, and the light-emitting unit is mounted on the rack.

Through adopting above-mentioned technical scheme, the luminescence unit is used for warning the staff when the yarn disconnection to play the effect of reminding the staff, make the staff can discover the condition of yarn disconnection in order to take measures in time.

Preferably, the light emitting unit includes a resistor R6, a transistor VT2 and a light emitting diode, the output terminal of the microcontroller is connected to the base of the transistor VT2 through the resistor R6, the collector of the transistor VT2 is grounded, and the emitter of the transistor VT2 is connected to the cathode of the light emitting diode.

By adopting the technical scheme, when the output end of the microcontroller outputs an electric signal, the triode VT2 is conducted and the light-emitting diode is enabled to emit light, so that the function of warning workers when yarns are disconnected is achieved.

Preferably, the output end of the microcontroller is also electrically connected with a sound production unit for warning workers when the yarns are disconnected.

Through adopting above-mentioned technical scheme, sound generating unit is used for warning the staff when the yarn disconnection to remind the condition of the disconnected yarn of staff nearby better.

Preferably, a second switch piece used for controlling the sound production unit to act is connected between the output end of the microcontroller and the sound production unit.

Through adopting above-mentioned technical scheme, the second switch spare is used for controlling the sound generating unit action to the condition emergence that can't drive the work of sound generating unit is avoided microcontroller's insufficient output.

Preferably, the second switch unit comprises a transistor VT3, the output terminal of the microcontroller is connected to the base of the transistor VT3 via a resistor R7, and the collector of the transistor VT3 is connected to the sound generating unit.

Through adopting above-mentioned technical scheme, when the yarn disconnection, microcontroller receives weft yarn tension sensor's output signal of telecommunication and to the control signal of sound production unit output, makes the sound production unit sound production to warn the condition of staff's yarn disconnection.

To sum up, the utility model discloses following beneficial effect has:

1. the spinning machine has the function of timely cutting off the yarns wound on the yarn guide rods after the yarns are cut off, so that the amount of the cut yarns wound on the yarn guide rods is reduced, the waste of the yarns is further reduced, and the economic loss is reduced;

2. the light-emitting unit is used for warning workers when the yarns are broken so that the workers can find the broken condition of the yarns to take measures in time;

3. the sound production unit is used for warning staff when the yarn breaks off, and the warning effect is better.

Drawings

FIG. 1 is a partial structural view of a spinning frame;

FIG. 2 is an enlarged view of A of FIG. 1;

fig. 3 is a schematic circuit connection diagram of a spinning frame.

In the figure: 1. a frame; 2. a creel; 3. a roving bobbin; 4. a yarn guide bar; 5. a yarn guide bell mouth; 6. a roller; 7. a yarn separating plate; 8. a bobbin; 9. a spindle tape reel; 10. a shredder; 11. a yarn; 12. a light emitting diode; 13. weft tension sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a spinning frame, including frame 1 and the feeding mechanism, the drafting mechanism, the twisting winding mechanism and the forming mechanism that set gradually on frame 1.

Feeding mechanism includes creel 2, roving pipe 3, lead yarn pole 4 and lead yarn horn mouth 5, roving pipe 3 hangs on creel 2, lead 4 levels of yarn pole and set up and rotate and connect in frame 1, yarn 11 unwinds out from roving pipe 3, penetrate the guide yarn horn mouth 5 refeeding drafting arrangement who transverses through leading yarn pole 4 to be used for supporting the roving, with roving feeding draft mechanism smoothly, reduce the unexpected draft of roving, protect the rubber ring rubber roll simultaneously.

The drafting mechanism comprises three pairs of rollers 6 which are horizontally arranged, the drafting is carried out through the difference of the surface speeds of the rollers 6, and the drafted strands are discharged by the rollers 6 which are close to the outside so as to be further uniformly drawn and attenuated to the linear density required by yarn forming.

The twisting and winding mechanism comprises a yarn guide hook (not shown in the figure), a lappet (not shown in the figure), a yarn separating plate 7, a steel collar (not shown in the figure), a steel collar plate (not shown in the figure), a steel wire ring (not shown in the figure), a spindle (not shown in the figure), a bobbin 8 and a tape spool 9, wherein the bobbin 8 is tightly sleeved on the spindle, the discharged fiber strands pass through the yarn guide hook and pass through the steel wire ring, and the steel wire ring rotates on the steel collar at a high speed to twist the fiber strands; the bobbin 8 rotates synchronously with the spindle at a high speed, so that the tensioned yarn generates tension to drive the steel wire ring to rotate at a high speed and generate twisting action, and meanwhile, as the rotating speed of the steel wire ring is less than that of the bobbin 8, the roller 6 outputs continuously and winds the twisted yarn on the bobbin 8 in order.

The forming mechanism comprises a lifting device (not shown in the figure) and a forming transmission mechanism (not shown in the figure) of the steel collar plate and the lappet, and the steel collar plate is lifted according to a certain rule by the control of the forming mechanism, so that the spun yarn is wound into a cop in accordance with a certain shape, and the yarn 11 is wound on the bobbin 8.

Referring to fig. 2, a filament cutter 10 is arranged above the yarn guide rod 4, the filament cutter 10 is a CA9-CCA9-CCA9-C series manual reset filament cutter 10 manufactured by Fei' er Kantt, is mounted in a pawl embedding manner, is widely applied to various machines in the textile industry, and can cut weft yarns with fineness of up to 1100 dtex.

The filament cutter 10 is internally provided with a weft yarn tension sensor 13 for monitoring whether the yarn 11 is broken and converting the broken yarn 11 into an electric signal to be output, the weft yarn tension sensor 13 is a weft yarn tension sensor 13 with the model number of NS10 produced by Shanghai crown authentication Co., Ltd, the yarn 11 is abutted against the weft yarn tension sensor 13, and the weft yarn tension sensor 13 is used for detecting the broken yarn 11 and sending out an alarm signal.

The output end of the yarn 11 sensor is electrically connected with a microcontroller, the type of the microcontroller is a single chip microcomputer MCS-51, the single chip microcomputer MCS-51 is low in cost, strong in control function, high in integration level, small in size, good in reliability and low in power consumption, and the output end of the single chip microcomputer MCS-51 is electrically connected with the shredder 10.

The frame 1 is provided with a light-emitting unit for warning workers when the yarn 11 is disconnected, and the light-emitting unit is electrically connected with the output end of the microcontroller.

Referring to fig. 3, a power supply end of a weft tension sensor 13 is connected with a power supply VCC, an output end of the weft tension sensor 13 is connected with an operational amplifier U1 through a resistor R2, an output end of the weft tension sensor 13 is grounded through a resistor R1, a forward input end of the operational amplifier U1 is connected with a resistor R2, a reverse input end of an operational amplifier U1 is grounded through a resistor R3, a resistor R4 and a potentiometer Rp1 are connected between the forward input end and the output end of the operational amplifier U1, the resistor R4 is connected with the potentiometer Rp1 in series, the resistor Rp1 is a potentiometer, the resistance value is adjustable and used for adjusting the amplification coefficient of the operational amplifier U1, and an output end of the operational amplifier U1 is connected with a pin P1.0 of the single chip microcomputer MCS-51.

The operational amplifier U1, the resistor R1, the resistor R2, the resistor R3, the resistor R4 and the resistor Rp1 form an amplifying unit for amplifying and outputting an output signal of the weft yarn tension sensor 13, so that the single chip microcomputer MCS-51 is more sensitive to the response of the weft yarn tension sensor 13, and the control of the single chip microcomputer MCS-51 is more accurate.

The P3.7 pin of the singlechip MCS-51 is connected with a triode VT1 through a resistor R5, a triode VT1 is NPN type, the base of the triode VT1 is connected with a resistor R5, the emitter of the triode VT1 is grounded, the collector of the triode VT1 is connected with a power supply VCC through a relay KT1, two ends of a relay KT1 are connected in parallel with a diode D1, a diode D1 is a freewheeling diode to protect the relay KT1 and reduce the burning-out of the relay KT1, and a time-delay disconnection normally-open contact 1-1 of the relay KT1 is connected in an electrifying loop where a motor M of the shredder 10 is located.

One end of a motor M of the shredder 10 is connected with a power supply VCC through a time-delay disconnection normally-open contact KT1-1, and the other end is grounded.

The relay KT1 and the triode VT1 form a first switch part, and the single chip microcomputer MCS-51 indirectly controls the action of the motor M through the first switch part so as to avoid that the output power of the single chip microcomputer MCS-51 is insufficient and the filament cutter 10 cannot be driven.

The P3.6 pin of the singlechip MCS-51 is connected with a triode VT2 through a resistor R6, the base electrode of the triode VT2 is connected with a resistor R6, the collector electrode of the triode VT2 is grounded, and the emitter electrode of the triode VT2 is connected with a power supply VCC through a light-emitting diode 12.

The resistor R6, the triode VT2 and the light-emitting diode 12 form a light-emitting unit, so that the light-emitting diode 12 emits light when the yarn 11 is broken, and workers are warned.

The P3.5 pin of the single chip microcomputer MCS-51 is also electrically connected with a sound production unit for warning workers when the yarn 11 is disconnected. Still electric connection has the second switch part between microcontroller and the sound generating unit, and the second switch part is used for controlling the action of sound generating unit.

The second switch component comprises a triode VT3, the P3.5 pin of the singlechip MCS-51 is connected with the base electrode of the triode VT3 through a resistor R7, the emitting electrode of the triode VT3 is grounded, the collecting electrode of the triode VT3 is connected with a power supply VCC through a diode D2, the anode of the diode D2 is connected with the power supply VCC, and two ends of the diode are connected in parallel with a buzzer H, wherein the buzzer H is a sounding unit.

The anode of the diode D2 is grounded via the capacitor C1, and the capacitor C1 performs a filtering function to filter the influence of the buzzer H on other parts, and at the same time, to improve the ac impedance of the power supply.

The buzzer H is a passive buzzer H, the PWM port outputs a waveform meeting the frequency required by the buzzer H to a P3.5 pin by setting the duty ratio, the period and the like of a system register of the singlechip MCS-51, when the yarn 11 is disconnected, the singlechip MCS-51 outputs a control signal to the buzzer H, and the buzzer H can sound by being driven by the triode VT 3.

The implementation principle of the embodiment is as follows:

starting a fine sand machine to carry out production activities, when one end of the yarn 11 close to the bobbin 8 is disconnected, sensing the disconnection of the yarn 11 by the weft yarn tension sensor 13, outputting an electric signal, amplifying the electric signal by the operational amplifier U1, inputting the electric signal into a pin P1.0 of the single chip microcomputer MCS-51, receiving a trigger signal by the single chip microcomputer MCS-51, and simultaneously outputting control signals to pins P3.5, P3.6 and P3.7.

The control signal enables the triode VT1 to be conducted, the relay KT1 is electrified, the time-delay disconnection normally-open contact KT1-1 is attracted, so that an electrified loop where the motor M of the yarn cutter 10 is located is conducted, the yarn cutter 10 cuts off the other end of the yarn 11, the spinning frame has the function of timely cutting the yarn 11 wound on the yarn guide rod 4 after the yarn 11 is disconnected, the amount of the yarn 11 wound on the yarn guide rod 4 by the disconnected yarn 11 is reduced, waste of the yarn 11 is reduced, and economic loss is reduced.

Meanwhile, the control signal enables the triode VT2 to be conducted, the light-emitting diode 12 on the rack 1 emits light, the buzzer H buzzes, and the condition that the yarn 11 is disconnected is warned to the working personnel, so that the working personnel can take measures in time, and the economic loss is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A spinning frame comprises a frame (1) and a yarn guide rod (4) arranged on the frame (1), and is characterized in that: the yarn guide device is characterized in that a yarn cutter (10) is arranged above the yarn guide rod (4), a weft yarn tension sensor (13) used for monitoring whether a yarn (11) is disconnected and converting the disconnection of the yarn (11) into an electric signal to be output is installed in the yarn cutter (10), the output end of the yarn (11) sensor is electrically connected with a microcontroller, an amplifying unit used for amplifying an output signal of the weft yarn tension sensor (13) is electrically connected between the output end of the weft yarn tension sensor (13) and the input end of the microcontroller, the output end of the microcontroller is electrically connected with the yarn cutter (10), and a first switch piece used for controlling the action of the yarn cutter (10) is electrically connected between the output end of the microcontroller and the input end of the yarn cutter (10).

2. A spinning frame as claimed in claim 1, characterized in that: the amplifying unit comprises an operational amplifier U1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a resistor Rp1, wherein the output end of the weft tension sensor (13) is connected with the forward input end of the operational amplifier U1 through a resistor R2, the output end of the weft tension sensor (13) is grounded through a resistor R1, the reverse input end of the operational amplifier U1 is grounded through a resistor R3, the output end of the operational amplifier U1 is connected with the input end of the microcontroller, and the resistor R4 and the resistor Rp1 are connected between the output end of the operational amplifier U1 and the input end of the microcontroller in series.

3. A spinning frame as claimed in claim 1, characterized in that: first switch includes triode VT1 and relay KT1, microcontroller's output through resistance R5 with triode VT 1's base is connected, triode VT 1's collecting electrode with relay KT1 electric connection, relay KT 1's time delay disconnection normally open contact KT1-1 connect in the circular telegram return circuit at filament cutter (10) place.

4. A spinning frame as claimed in claim 1, characterized in that: the output end of the microcontroller is also electrically connected with a light-emitting unit for warning workers when the yarns (11) are disconnected, and the light-emitting unit is installed on the rack (1).

5. A spinning frame as claimed in claim 4, characterized in that: the light-emitting unit comprises a resistor R6, a triode VT2 and a light-emitting diode (12), the output end of the microcontroller is connected with the base electrode of the triode VT2 through the resistor R6, the collector electrode of the triode VT2 is grounded, and the emitter electrode of the triode VT2 is connected with the negative electrode of the light-emitting diode (12).

6. A spinning frame as claimed in claim 1, characterized in that: the output end of the microcontroller is also electrically connected with a sound production unit for warning workers when the yarn (11) is disconnected.

7. A spinning frame as claimed in claim 6, characterized in that: and a second switch piece used for controlling the sound production unit to act is connected between the output end of the microcontroller and the sound production unit.

8. A spinning frame as claimed in claim 7, characterized in that: the second switch component comprises a triode VT3, the output end of the microcontroller is connected with the base electrode of the triode VT3 through a resistor R7, and the collector electrode of the triode VT3 is connected with the sounding unit.