CN202296597U - Yarn tension meter with break-yarn detection function - Google Patents

Abstract

The utility model relates to a yarn tension meter with a break-yarn detection function, which comprises a swing arm, a rotating shaft, a fixed thread guide, a swing arm thread guide, a spiral piece spring, an alarm indicator lamp and a meter shell, and is characterized by further comprising magnetic steel and a dry reed pipe, wherein the magnetic steel is arranged at the convex part in the middle of the swing arm; when the swing arm is positioned at the extreme position besides a stop pin, the meter shell arranged at the position corresponding to the magnetic steel is internally provided with the dry reed pipe; and the dry reed pipe is connected with the alarm indicator lamp and a motor respectively by a circuit. During normal operation, a yarn passes through between the fixed thread guide and a movable thread guide of the swing arm, and the swing arm swings along with the fluctuation of the yarn tension. When the yarn is broken for reasons, the spiral piece spring is only left to act on the swing arm, the swing arm stops besides the stop pin, the magnetic steel is close to the dry reed pipe arranged in the meter shell, the dry reed pipe is attracted under the magnetic action, a power supply of the motor is cut off by a circuit, and the alarm indicator lamp is switched on, so that the energy can be saved, and the watching capability of an operator can be improved.

Description

The yarn tension appearance that possesses the burn out detection function

Technical field

The utility model relates to control, control apparatus, relates to possess the yarn tension appearance of burn out detection function specifically.

Background technology

Preceding working procedure-the rewinding of textile industry, winder, warping; All require the length of yarn consistent, winding tension is consistent, lacks relevant control setting device but suffer from, in textile mills' production process; All be the strain problem that solves yarn with the method for hand adjustment for many years; Can only be controlled at tension fluctuation in the bigger scope, when my the Preliminary development patent No. is " the rewinding car yarn measurement and control instrument " of ZL2007201079711, begin the dynamic tension observation and control technology of yarn is studied; Owing to the restriction of technical merit at that time, also can only adjust the running tension of yarn with the manually operated mode.I had applied for again that the patent No. was 2010205793350 " winder tension force self-checking device " afterwards, and yarn has been carried out single ingot control, began to have realized the automatic guidance to yarn tension, had reduced the yarn tension fluctuation range.When serving after sale, operative employee's reflection after yarn is in operation and breaks, has stopped though meter is long, has guaranteed the accuracy of Length Control, and motor continues to waste energy in idle running.Improve through me, this project has obtained perfect solution now, and therefore this case takes place.

Summary of the invention

The purpose of the utility model is to overcome the defective of above-mentioned prior art, develops a kind of yarn tension appearance that possesses the burn out detection function, can be at when broken string automatic cut-off motor power supply and auto alarm, thus make operation intelligent more.

The present invention is achieved through following technical proposals:

Possess the yarn tension appearance of burn out detection function, comprising: swing arm, rotating shaft, stationary guide, swing arm filar guide, flight spring, warning indicator lamp, watchcase;

Fixed several chip filar guides, cylinder filar guide, locating dowel pin and warning indicator lamp above the watchcase, the watchcase set inside flight spring, an end of flight spring is fixed on watchcase inside, the other end is fixed in the rotating shaft.

Two stage steps is arranged in the rotating shaft, attenuate step by step; The most carefully end is a screw thread, is fixed in the swing arm through being threaded; The external diameter and the through hole on the watchcase of interlude are adaptive, can in through hole, steadily rotate; The end that the butt end of rotating shaft is positioned at watchcase and flight spring is fixed together;

Watchcase is passed in the rotating shaft that is fixed in the swing arm; Fix with flight spring one end in the watchcase; Swing arm can be swung around the shaft; And under the effect of flight spring, have the trend that clockwise rotates, because the restriction of watchcase upper arresting pin and stationary guide, the filar guide swing arm can only be spent between 180 degree angles 135 and swung;

The swing arm front end has been fixed several chip filar guides, and tail end has been fixed tube dish filar guide;

It is characterized in that: the yarn tension appearance that possesses the burn out detection function also comprises magnet steel, dry-reed tube; Magnet steel is arranged on the projection in the middle of the swing arm, when swing arm rests in the locating dowel pin end position, the watchcase set inside under the magnet steel correspondence position dry-reed tube, connect with circuit between dry-reed tube and warning indicator lamp, the motor; When magnet steel is drawn close dry-reed tube, can cut off motor power after the dry-reed tube adhesive and light warning indicator lamp.

When rewinding, winder or warping, yarn detours between stationary guide and swing arm filar guide, under the yarn tension effect; The end position of 135 degree has been left in swing arm, vacillates in the range of control of tension fluctuation, and swing arm is swung along with the variation of yarn tension; The angle of swing arm changes the tortuous degree that has changed the yarn course conversely; Thread path is more tortuous, and the friction force between yarn and the filar guide is big more, and then yarn tension increases; Vice versa.The swing of swing arm has cushioned the intensity of variation of yarn tension within the specific limits.When causing yarn breakage owing to a variety of causes, swing arm rests in the locating dowel pin next door under the effect of flight spring; Be on the end position of 135 degree, the magnet steel that is arranged in the swing arm produces induction to the dry-reed tube under the watchcase, makes the dry-reed tube adhesive; Signal is through the circuit transmission; Cut off motor power, make warning indicator lamp send ruddiness simultaneously, remind the operative employee to handle.

The utility model has the advantages that: can dwindle the fluctuation range of yarn tension in real time, and when broken string, in time cut off motor power, and the warning of bright lamp, improved operative employee's grandstand ability, save labour costs, save the energy.

Description of drawings

Fig. 1 is the assembling outside drawing (mode of operation) of the utility model strain gauge;

Fig. 2 is the broken string constitution diagram of the utility model strain gauge;

Fig. 3 is a swing arm assembly drowing (concealing watchcase);

Fig. 4 is a watchcase in-to-in dry-reed tube scheme of installation.

Description of reference numerals:

1 swing arm, 11 swing arm chip filar guides, 12 dish filar guides, 2 rotating shafts, 3 watchcases, 31 locating dowel pins, 32 cylinder filar guides, 33 chip filar guides, 4 magnet steel, 5 flight springs, 6 dry-reed tubes, 7 warning indicator lamps, 8 yarns.

The specific embodiment

Come further to set forth the utility model below in conjunction with embodiment and accompanying drawing.

Embodiment

Possess yarn tension appearance structure such as Fig. 1 of burn out detection function-shown in Figure 4, chip filar guide 33 is equipped with in watchcase 3 both sides, and the yarn that passes in and out this instrument is played the role of positioning.The right side is provided with a chip filar guide 33, is the import of yarn 7; The left side is provided with two superimposed in opposite directions chip filar guides 33, and the synthetic through hole of middle groups supplies yarn 7 to flow out.

As shown in Figure 1; Yarn 7 is come in from the chip filar guide 33 on right side, above the pile warp tube dish filar guide 12, below cylinder filar guide 32; Detour with that between swing arm chip filar guide 11 and tube dish cylinder filar guide 32, finally in the middle of two chip filar guides 33 in watchcase left side, flow out.

During normal the operation; Yarn 7 is walked between fixing chip filar guide 33 and swing arm chip filar guide 11 and tube dish filar guide 12; Swing arm 1 is waved along with the fluctuation of yarn tension; The magnet steel 4 that is fixed on above the swing arm 1 is far away with watchcase in-to-in dry-reed tube 6 distances, and the small of magnet steel 4 vacillates to not influence of dry-reed tube 6.But when yarn 7 ruptured for some reason, swing arm 1 had lost the pulling of yarn 7, and only surplus 5 pairs of swing arms of flight spring in action; Swing arm 1 rests in locating dowel pin 31 next doors, and magnet steel 4 has been aimed at watchcase in-to-in dry-reed tube 6, at this moment; Both is nearest, and dry-reed tube 6 adhesive under the magnetic action of magnet steel 4 is through the circuitry cuts motor power; And the connection warning indicator lamp, remind the operative employee in time to handle.

Except that the foregoing description, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, for example change the steel disc coil spring into steel wire torsion spring or extension spring etc., all drop in the protection domain of the utility model requirement.

Claims (1)

1. possess the yarn tension appearance of burn out detection function, comprising: swing arm, rotating shaft, stationary guide, swing arm filar guide, flight spring, warning indicator lamp, watchcase;

Fixed several chip filar guides, cylinder filar guide, locating dowel pin and warning indicator lamp above the watchcase, the watchcase set inside flight spring, an end of flight spring is fixed on watchcase inside, the other end is fixed in the rotating shaft;

Two stage steps is arranged in the rotating shaft, attenuate step by step; The most carefully end is a screw thread, is fixed in the swing arm through being threaded; The external diameter and the through hole on the watchcase of interlude are adaptive, can in through hole, steadily rotate; The end that the butt end of rotating shaft is positioned at watchcase and flight spring is fixed together;

Watchcase is passed in the rotating shaft that is fixed in the swing arm; Fix with flight spring one end in the watchcase; Swing arm can be swung around the shaft; And under the effect of flight spring, have the trend that clockwise rotates, because the restriction of watchcase upper arresting pin and stationary guide, the filar guide swing arm can only be spent between 180 degree angles 135 and swung;

The swing arm front end has been fixed several chip filar guides, and tail end has been fixed tube dish filar guide;

It is characterized in that: the yarn tension appearance that possesses the burn out detection function also comprises magnet steel, dry-reed tube; Magnet steel is arranged on the projection in the middle of the swing arm, when swing arm rests in the locating dowel pin end position, the watchcase set inside under the magnet steel correspondence position dry-reed tube, connect with circuit between dry-reed tube and warning indicator lamp, the motor; When magnet steel is drawn close dry-reed tube, can cut off motor power after the dry-reed tube adhesive and light warning indicator lamp.

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