CN2716306Y - Electromagnetic heddle selecting device of electronic jacquard machine - Google Patents

Abstract

The utility model discloses an electromagnetic heddle selecting device of an electronic jacquard machine. The utility model is characterized in that an electromagnetic valve 7 is arranged in the middle of a casing 4, that two permanent magnets 1 are inserted into the slot at the edge of the casing 4, that two magnetically conductive iron hooks 2 are respectively positioned between the electromagnetic valve 7 and the permanent magnets 1 and are sleeved on the sliding shaft (3), which is positioned below the electromagnetic valve, and that two bosses are arranged above the magnetically conductive iron hooks 2 and form magnet circuits when the two bosses are attracted by both ends of the electromagnet core. The thread lifting hook 8 and the thread lifting hook 9 respectively make relative up-and-down movement in the chutes at both sides of the plastic casing 4, and corresponding warp thread is lifted to form a shed when the thread lifting hook 8 or the thread lifting hook 9 is caught by the magnetically conductive iron hooks 2. Compared with the prior art, the utility model has the remarkable advantages that the electric current in the coil 6 is small, that the energy consumption of the electromagnetic valve 7 is 0. 1W or so and that the electromagnetic valve scarcely heats. Because the lower parts of the two magnetically conductive iron hooks 2 are connected via the flexible connection 15, the reset of the magnetically conductive iron hooks is extremely reliable, the materials of the magnetically conductive iron hooks and the iron core can be general electric pure iron and the manufacturing cost is low.

Description

Electronic jacquard machine electromagnetism heddle selecting apparatus

Affiliated technical field

The utility model relates to a kind of electromagnetism heddle selecting apparatus of double-lift electronic jacquard machine.

Background technology

Current, a kind of general character of double-lift electronic jacquard machine electromagnetism heddle selecting apparatus, it all is effect by electromagnetic valve, control along with the sheet hook or the thread-lifting hook of griffing to do upper and lower motion catch on or do not collude, sheet hook or thread-lifting hook are promoted or descend to form the warp thread shed open, (history pottery Bill electronic jacquard machine world-famous in the world also is this device.) structure of this device is for an electromagnetic valve, a pair of magnetic conduction cleek and fixedly slide-bar, a pair of thread-lifting hook, a pair of spring and some fixtures of magnetic conduction cleek are housed in plastic casing, pump on the slide guide rail by griffing to drive thread-lifting hook.When thread-lifting hook rose to the extreme higher position, the boosting mechanism on the thread-lifting hook promoted the magnetic conduction cleek and relies on the electromagnetic valve iron core, at this moment, if give coil electricity, the electromagnetic valve iron core holds the magnetic conduction cleek, and thread-lifting hook can not be hung on the magnetic conduction cleek, and can not mention the formation shed open by the effect warp thread of assembly pulley; If do not give coil electricity, spring promotes the magnetic conduction cleek and resets, and this moment, thread-lifting hook can hang on the magnetic conduction cleek, and was raised the formation shed open by the effect warp thread of assembly pulley.Its shortcoming has: when 1, the electromagnetic valve iron core holds the magnetic conduction cleek, must overcome the thrust of spring, so the coil electricity electric current is still bigger, easily heating.2, adopt spring reset, in long high speed stretching motion, spring very easily produces fatigue, causes the hook action malfunctioning, influences life of product.3, since down the magnetic conduction cleek at suction nozzle place be fixing rotatable with live axle, just must have between suction nozzle and magnetic conduction cleek like this than gap greatly, thereby magnetic gap is also big, influences the suction of electromagnetic valve, has increased power consumption.Also have at home and adopt permanent magnet to reset, as Chinese patent 95203911.7 electronic jacquard machine electromagnetic needle selectors, 02145175.3 electronic jacquard machine sheet hook lash-selecting mechanism etc., its shortcoming is; They adopt permanent magnet are contained on sheet hook or the hook, when no power, permanent magnet and electromagnetic valve iron core hold, the electromagnetic valve iron core is magnetized by permanent magnet, when switching on, need to consume a part of power and could be magnetized into the N utmost point identical or the S utmost point to the electromagnetic valve iron core, and repel mutually and push open with permanent magnet polarity to electromagnetic valve coil, so consumed power is bigger, heating easily.Also have application number to be: 2004200080826 electronic jacquard machine electromagnetism shedding controllers, carry out work in the middle of the magnetic conduction cleek is installed in permanent magnet and electromagnetic valve, though power is very little, but in force in order to guarantee the stability of electromagnetic valve, electromagnetic valve iron core, magnetic conduction cleek must with glass not alloy can meet the requirements.If can produce remanent magnetism, influence the stability that the magnetic conduction cleek resets with electrical pure iron.Glass not alloy costs an arm and a leg, and manufacturing cost is higher.

Summary of the invention

In order to overcome the influence that remanent magnetism brings, not only can produce performance but also stable with very low manufacturing cost, not only very little (about 0.1w) volume of power but also little a kind of electromagnetism shedding controller are the purposes of this novel practical device, also are that can electronic jacquard machine catch up with the key of the world towards stream.So structurally carried out bold improvement, and made full use of the characteristic principle of magnetic, make the more power saving of this electromagnet heald lifting device, volume is littler, and performance is more stable.

The technical scheme that the utility model device solves technical problem is taked is: this device comprises: a pair of permanent magnet 1, a pair of magnetic conduction cleek 2, a pair of slide-bar 3, housing 4, iron core 5 (comprising that suction nozzle 11 a pair of, following suction nozzles 12 are a pair of on the iron core), coil 6, electromagnetic valve 7, thread-lifting hook 8 and thread-lifting hook 9 are a pair of, and one group of assembly pulley etc.Two permanent magnets 1 insert in the slot at plastic casing 4 edges fixing, lay respectively at two magnetic conduction cleek 2 outsides, and and the electromagnetic valve iron core on suction nozzle 11 a pair of symmetries.Permanent magnet 1 faces the polarity of suction nozzle 11 on the iron core, and the electromagnetism polarity in the time of must switching on suction nozzle on the iron core 11 is identical.Two magnetic conduction cleeks 2 slide over respectively on the slide-bar 3, and slide-bar 3 is located at the both sides of iron core below respectively, (and when design, reduce the magnetic gap between the suction nozzle 11 and following suction nozzle 12 on magnetic conduction cleek 2 and the iron core as far as possible, when coil electricity, play the magnetic loop effect.) electromagnetic valve 7 is fixed in the middle of the plastic casing 4.Thread-lifting hook 8 and thread-lifting hook 9 also slide up and down by griffing to drive in the guide runner of the both sides of plastic casing 4 respectively.Be flexible coupling and 15 a pair of magnetic conduction cleek connected.

The utility model device technique main points are: the both sides that 1, sliding sleeve axle 3 both sides of suction nozzle 12 under the electromagnetic valve iron core moved on to electromagnetic valve iron core below.So just can accomplish that iron core and magnetic conduction cleek 2 do not have magnetic gap when adhesive, and be suction nozzle 11 and 12 adhesives simultaneously up and down that suction is bigger more stable.2, be drilled with aperture at a pair of magnetic conduction cleek 2 hypomeres and 15 a pair of magnetic conduction cleek 2 connected with being flexible coupling, when magnetic conduction cleek 2 occurring remanent magnetism is arranged, when in time not resetting, the motion of the magnetic conduction cleek of another side can assist the magnetic conduction cleek of opposite side to reset, and it is very reliable to reset.Do the electromagnetic valve iron core like this and the magnetic conduction cleek can be used the electrical pure iron manufacturing, with low cost.

Comprehensive above-mentioned technology has outstanding advantage compared with the prior art: 1) material of the iron core of electromagnetic valve and magnetic conduction cleek can adopt common electrical pure iron, and the cost of raw material is low, and is cheap.2) increased auxiliary reset and be flexible coupling, it is very reliable to reset, and stability is better, and it is perfectly safe to have accomplished.3) made full use of the characteristic principle of magnetic, with suction nozzle adhesive simultaneously up and down, consumed power is minimum, has eliminated the difficult problem of system's heating, also can reduce the volume of power supply, and further reduce production costs.4) the electromagnetic valve component width is also littler than history pottery Bill's CX assembly, helps the manufacturing that large-scale pin is counted electronic jacquard machine.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified

Structural representation when Fig. 1 is held by permanent magnet for the utility model device left and right sides magnetic conduction cleek, being flexible coupling in Fig. 1 is in relaxed state.

Fig. 2 is held by electromagnetic valve for the utility model device left side magnetic conduction cleek, the structural representation when right magnetic conduction cleek is held by permanent magnet, and being flexible coupling in Fig. 2 is in tension.

Each position component as can be known from Fig. 1; The 1-permanent magnet, 2-magnetic conduction cleek, the 3-slide-bar, the 4-plastic casing, 5-I shape iron core, the 6-electromagnetic valve coil, the 7-electromagnetic valve, 8 and the 9-thread-lifting hook, 10-griffes, suction nozzle on the 11-iron core, suction nozzle under the 12-iron core, the 13-pulley assembly, 14-line rope, 15-is flexible coupling.

Griffing 10 when driving thread-lifting hooks 8 and moving to the summit as can be seen from Figure 1, though the boosting mechanism of thread-lifting hook has been pushed magnetic conduction cleek 2 to suction nozzle 11 on the iron core, following suction nozzle 12, but not energising, when thread-lifting hook 8 moves down, magnetic conduction cleek 2 is resetted by the permanent magnet adhesive, and thread-lifting hook 8 is caught on by magnetic conduction cleek 2, and by the time another thread-lifting hook 9 is griffed 10 to drive when moving, by the effect of assembly pulley 13 and line rope 14, corresponding warp thread promptly is raised the formation shed open.

Griffing 10 when driving thread-lifting hooks 8 and moving to the summit as can be seen from Figure 2, the boosting mechanism of thread-lifting hook is pushed magnetic conduction cleek 2 suction nozzle 11 on the iron core to, is down given coil 6 energisings suction nozzle 12 time, at this moment suction nozzle 11, following suction nozzle 12 have held magnetic conduction cleek 2 on the iron core, when moving down Deng thread-lifting hook, magnetic conduction cleek 2 can't collude thread-lifting hook 8 and continues to glide, by the time another thread-lifting hook 9 is griffed 10 to drive when moving, and the effect warp thread by assembly pulley 13 and line rope 14 can not be raised.In Fig. 2, when thread-lifting hook 8 leaves magnetic conduction cleek 2, electromagnetic valve begins outage, because magnetic conduction cleek 2 has been magnetized by electromagnetic valve, (the magnetic conduction cleek adopts permalloy to still have remanent magnetism after the outage, can eliminate remanent magnetism, but the prices of raw and semifnished materials are faced upward expensive, be tens times of electrical pure irons), when remanent magnetism is strong, is not removed permanent magnet 1 and sucked back, but next action is that thread-lifting hook 9 moves upward, the boosting mechanism of thread-lifting hook 9 is magnetic conduction cleek 2 ' when pushing iron core to, because 15 the effect of being flexible coupling resets magnetic conduction cleek 2.

The specific embodiment

A kind of electromagnetism heddle selecting apparatus of double-lift electronic jacquard machine, as shown in Figure 1, with electrical pure iron magnetic conduction cleek 2 is made as the shape among Fig. 1, sliding sleeve axle 3 is below electromagnetic valve, be drilled with aperture at the hypomere of two magnetic conduction cleeks and 15 a pair of magnetic conduction cleek connected the 15 usefulness flexible cords that are flexible coupling (the very little extension spring of also available pulling force) with being flexible coupling.

Claims (3)

1, a kind of electronic jacquard machine electromagnetism heddle selecting apparatus, comprise housing (4), magnetic conduction cleek (2) is a pair of, sliding sleeve axle (3) is a pair of, electromagnetic valve (7), wherein iron core is an I shape, comprise that suction nozzle (11) is a pair of, following suction nozzle (12) is a pair of, thread-lifting hook (8) and (9) are a pair of, permanent magnet (1) is a pair of, electromagnetic valve (7) is fixed in the middle of the housing (4), two magnetic conduction cleeks (2) are positioned at the both sides of electromagnetic valve (7), it is characterized in that: two sliding sleeve axles (3) are positioned at the below of electromagnetic valve (7), two boss of magnetic conduction cleek (2) and 11 times suction nozzles of last suction nozzle (12) of I shape iron core are symmetrical, there is a circular hole centre of magnetic conduction cleek (2), makes matched in clearance with sliding sleeve axle (3).

2, electronic jacquard machine electromagnetism heddle selecting apparatus according to claim 1, it is characterized in that: the hypomere of a pair of magnetic conduction cleek (2) also is drilled with aperture, and (15) connect with being flexible coupling.

3, electronic jacquard machine electromagnetism heddle selecting apparatus according to claim 2 is characterized in that: be flexible coupling (15) are flexible cord or extension spring that pulling force is very little of a specific length.