The thread supplying machine structure of synnema machine
Technical field
The invention belongs to electric wire processing equipment technical field, be specifically related to a kind of thread supplying machine structure of synnema machine.
Background technology
Notion about the synnema machine can obtain understanding in the patent documentation by the following discloses that are not limited to, as CN201331975Y (reel system of constant-tension synnema machine), and for example CN20131519Y (synnema machine) and CN2847474Y (sync pulling synnema machine) and CN2062107U (high speed stranding machine), or the like.But above-mentioned patent scheme does not all disclose the thread supplying machine structure of synnema machine, and the thread supplying machine structure is an important component part of synnema machine, why claiming that it is important, is because only under the state of the desirable tension force of maintenance the single thin wire on the drum is emitted, and could ensure the boundling effect.
Known is that the structure of thread supplying machine structure of the synnema machine that widely uses of present electric wire production firm is by shown in Figure 2, comprise frame 1, synnema extractor 2, tensioner 3 and brake apparatus 4, synnema extractor 2 is arranged on the lower end of frame 1, tensioner 3 is arranged on the upper end of frame 1 and corresponding to the top of synnema extractor 2, brake apparatus 4 is connected with tensioner 3, and match with synnema extractor 2, synnema extractor 2 comprises that one is used for for the synnema dish axle that synnema dish 5 is set, this synnema dish axle rotationally and and the horizontal boom state be arranged on the lower end of the framework pillar 11 of frame 1, tensioner 3 comprises tension base 31, spring 32, lever 33, before, back guide wheel 34,35, pinch roller 36, eccentric disc 37 and transition wheel 38, tension base 31 is fixing with the framework pillar 11 of frame 1, lever 33 is hinged on the tension base 31, one end of spring 32 is fixed on the nearly middle part of lever 33, the other end and tension base 31 are fixing, before, back guide wheel 34,35 equal pivots are arranged on an end of lever 33, pinch roller 36 then pivot is arranged on the other end of lever 33, eccentric disc 37 pivots are arranged on the tension base 31, and top corresponding to pinch roller 36, contact with pinch roller 36, on eccentric disc 37, received a swing arm 371, transition wheel 38 is arranged on the top of swing arm 371 rotationally, brake apparatus 4 comprises a pull bar 41 and a brake-shoe 42, the upper end of pull bar 41 is connected with lever 33, brake-shoe is located at the lower end of pull bar 41, match with synnema extractor 2, be used for 2 brakings of synnema extractor or release.
The thread supplying machine structure of the synnema machine of said structure exposes following shortcoming in the use of reality: the one, be easy to generate the sleave phenomenon, because synnema dish 5 to put silk (move back silk) rotating torque bigger, in case the fracture situation appears in the synnema 51 that withdraws from synnema dish 5, because of the brake-shoe 42 of brake apparatus 4 is difficult to its timely and effective braking, so under the effect of the inertia force of synnema dish 5, synnema 51 can withdraw from from synnema dish 5 without limit, causes sleave; The 2nd, the big and operating efficiency synnema machine of workman's working strength is affected, because synnema dish 5 is arranged on the synnema dish axle with cantilever position, therefore the specification of synnema dish 5 is restricted, the 200 type synnema dishes that generally can only adapt to 20Kg, because the capacity of the synnema 51 of synnema dish 5 is little, thereby increased the frequency of changing synnema dish 5, need under the state that the synnema machine is shut down, to carry out and change synnema dish 5 at every turn, so not only cause online working strength of workers to increase, and the shutdown probability of synnema machine improves; The 3rd, the time of changing synnema dish 5 is tediously long, by the structure of Fig. 2 as can be known, though be the synnema dish 5 that will newly enable be arranged on the synnema dish axle or synnema 51 used up after the synnema dish 5 of sky take off from synnema dish axle, all need by means of instrument being used to limit the securing member operation of synnema dish 5; The 4th, easy fracture of wire, because the specification of synnema dish 5 is little, laying tension is big, breaks so easily cause synnema 51.
In view of above-mentioned prior art, the applicant has carried out rational improvement, and technical scheme described below produces under this background.
Summary of the invention
In case it is a kind of when fracture of wire occurring that task of the present invention is to provide, then brake apparatus can in time be used the braking of synnema extractor quickly and avoid the sleave situation to take place, need not frequently to change the synnema dish and use the operating efficiency that alleviates labor strength and improve the synnema machine, change the thread supplying machine structure that the synnema dish is convenient and quick and can prevent the synnema machine that synnema is broken because of overtension effectively.
Task of the present invention is finished like this, a kind of thread supplying machine structure of synnema machine, comprise a frame, this frame has pair of frame column, upper and lower crossbeam, carriage and the supporting plate that corresponds to each other and be provided with, upper and lower crossbeam self is fixed between the described a pair of mutual opposed framework pillar accordingly, carriage is fixed between the upper and lower crossbeam, and supporting plate is fixed with cantilever position and sill; One synnema extractor, be arranged on rotationally on the described supporting plate, this synnema extractor comprises puts a pivoted frame, first, second godet roller, the gyroaxis with central through hole and brake disc, gyroaxis is arranged on the supporting plate rotationally, putting a pivoted frame is made of horizontal arm that constitutes one each other and oblique arm, and the lower end by horizontal arm and gyroaxis is fixed, and the upper end of gyroaxis leans out supporting plate, the first godet roller pivot is arranged on the bottom of oblique arm, and the second godet roller pivot is arranged on the middle part of horizontal arm, and the upper end of brake disc and gyroaxis is fixed; One tensioner is arranged on the described carriage; One brake apparatus, this brake apparatus comprises pull bar, brake-shoe and brake-shoe lever, the upper end of pull bar is connected with described tensioner, one end of lower end and brake-shoe lever is hinged, and the other end of brake-shoe lever is pivotally connected on described supporting plate, at the fixing described brake-shoe of this end of brake-shoe lever, and brake-shoe is corresponding to the top of described brake disc.
In a specific embodiment of the present invention, described horizontal arm and described oblique arm form the shape of factory's font each other, and constitute a L shaped kink in the bottom of oblique arm, on this L shaped kink, offer a synnema leadout hole, and this synnema leadout hole is corresponding with described first godet roller.
In another specific embodiment of the present invention, described second godet roller is corresponding to the sidepiece of the lower end of described gyroaxis.
In another specific embodiment of the present invention, be installed with a brake-shoe lever pivotal block on the described supporting plate and at position corresponding to described brake-shoe lever, described brake-shoe lever and brake-shoe lever pivotal block are pivotally connected.
In another specific embodiment of the present invention, described tensioner comprises tension base, spring, lever, before, back guide wheel, pinch roller, eccentric disc, transition wheel and fork, tension base is fixed on the described carriage, the middle part of the length direction of lever and fork is coaxial to be arranged on the tension base, front jocket wheel and the equal pivot of back guide wheel are arranged on a side of an end of lever, the upper end of spring is fixed on an end of fork, and the lower end of spring is fixed on the bottom of tension base by spring adjusting device, the pinch roller pivot is arranged between lever and the fork, and be positioned at the other end of lever and fork, the eccentric disc pivot is arranged on the top of tension base, and contact with described pinch roller, on eccentric disc, be fixedly connected with the lower end of a swing arm, described transition wheel is set in the upper end of fork rotationally, described brake apparatus is connected with described fork, and described back guide wheel is between described front jocket wheel and described pinch roller.
Also have in the specific embodiment of the present invention, described spring adjusting device comprises spring base and spring base adjustment screw, spring base is adjusted screw and is cooperated with the bottom thread of described tension base, and spring base and spring base are adjusted screw, and the lower end of described spring is fixed on the spring base.
More of the present invention and in specific embodiment, be arranged with an insulating case on the fork, and the top of a described tension base and signal picker is installed at the position corresponding to described fork, the electric control box of this signal picker and synnema machine is electrically connected.
In of the present invention and then specific embodiment, described signal picker is that travel switch, sensitive switch, position are near switch or hall sensing element.
Of the present invention again more and in specific embodiment, described gyroaxis is arranged on the described carriage rotationally by the gyroaxis bearing, and be equipped with one in the upper end of this gyroaxis and be used for first clamp nut that described brake disc is limited, and the lower end of gyroaxis is equipped with one and is used to second clamp nut that ensures that gyroaxis and described horizontal arm are fixed.
In again of the present invention and then specific embodiment, described brake-shoe lever has a brake-shoe lever kink, and described brake-shoe is fixed on the brake-shoe lever kink by the brake-shoe hold-down screw.
Technical scheme provided by the invention can in time be braked brake disc by the brake-shoe of brake apparatus in case fracture of wire occurs quickly because the structure of synnema extractor has been done reasonable improvement, the sleave phenomenon can not occur; Overall structure provided by the invention can satisfy the synnema dish directly is positioned over requirement on the terrace, can make the specification of synnema dish avoid restriction, thereby can reduce the labour intensity that the workman frequently changes the synnema dish, and replacing is convenient and quick, can improves the operating efficiency of synnema machine; The tension force of the synnema of deriving from the synnema dish is controlled and can avoid fracture of wire effectively; Owing to the synnema dish directly can be placed terrace, so there is not self inertia in the synnema dish, more helps avoiding the sleave phenomenon.
Description of drawings
Fig. 1 is a specific embodiment structure chart of the present invention.
Fig. 2 is the structure chart of the thread supplying machine structure of the synnema machine in the prior art.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Ask for an interview Fig. 1, the frame 1 that provides comprises framework pillar 11, upper and lower crossbeam 12,13, carriage 14 and supporting plate 15, framework pillar 11 is a pair of by what correspond to each other and be provided with, upper and lower crossbeam 12,13 keeps corresponding up and down relation to be fixed between the pair of frame column 11 each other, undoubtedly, length direction at upper and lower crossbeam 12,13 is fixed one group of carriage 14 with the interval state, so that set firmly the tensioner 3 that also will describe in detail below one on each carriage 14.In like manner, the supporting plate 15 that equates with the quantity of described carriage 14 with illustrated equidirectional fixed interval at the length direction of sill 13 is so that be arranged on synnema extractor 2 to be described in detail below rotationally on each supporting plate 15.Shown in figure, it is fixing with sill 13 by supporting plate hold-down screw 152 that an end of supporting plate 15 is a left end, and the other end of carriage 15 and towards on the surface preferably be installed with the brake-shoe lever pivotal block 151 of a vertical sectional shape just as h shape in the mode of welding.
Aforesaid synnema extractor 2 preferably but not the structure that definitely is limited to is as follows: comprise and put a pivoted frame 21, first, second godet roller 22,23, gyroaxis 24 and brake disc 25, the axial central authorities of gyroaxis 24 have a central through hole, so that pass through for the synnema 51 shown in Fig. 1 by withdrawing from the synnema dish 5, gyroaxis 24 is arranged on the aforesaid supporting plate 15 rotationally by gyroaxis axle bed 241, putting a pivoted frame 21 is made of horizontal arm 211 and oblique arm 212, and horizontal arm 211 makes the whole shape that a pivoted frame 21 forms factory's font of Chinese character of putting with oblique arm 212, the self-evident effect of oblique arm 212 is interference of avoiding synnema dish 5, and the synnema 51 of using from synnema dish 5 forms a cornerite.Constitute the kink 2121 of a shape just as L shaped (also can claim 7 fonts) of English alphabet in the bottom of oblique arm 212, and on this kink 2121, offer a synnema leadout hole 21211, preferred scheme also can be embedded the porcelain ring in synnema leadout hole 21211, dampen to avoid synnema 51.First godet roller 22 is arranged on the bottom of oblique arm 212 by the first seal wire wheel shaft, 221 pivots, and aforesaid synnema leadout hole 21211 is corresponding with first godet roller 22.Second godet roller 23 is arranged on the aforesaid horizontal arm 211 rotationally by the second seal wire wheel shaft 231, and is positioned at the downside at middle part of the length direction of horizontal arm 211.The upper end of gyroaxis 24 leans out supporting plate 15, the lower end leans out horizontal arm 211 and fixing with horizontal arm 211 with second clamp nut 243, brake disc 25 places the upper end of gyroaxis 24, and fixing with first clamp nut 242 behind the upper end that brake disc 25 is placed on gyroaxis 24.Say that more properly it is fixing with gyroaxis 24 to take brake disc 25 by first clamp nut 242.
Continue to see Fig. 1, preferred but not tensioner 3 that be limited to comprises tension base 31, spring 32, lever 33, before, back guide wheel 34,35, pinch roller 36, eccentric disc 37, transition wheel 38 and fork 39, tension base 31 is with welding, riveted joint or fixing with other similar mode and aforesaid carriage 14, whole tension base 31 constitutes by step-like structure shown in Figure 1, the nearly middle part of the length direction of lever 33 and fork 39 is by bearing pin 391 coaxial being arranged on the tension base 31, before, back guide wheel 34,35 all are positioned at a side of an end of lever 33, promptly be positioned at the side towards tension base 31 of lever 33 left ends (shown position state), pinch roller 36 is arranged between lever 33 and the fork 39 by pinch roller bearing pin 361 pivots and is positioned at the other end (illustrated right-hand member) of lever 33 and fork 39.Aforesaid back guide wheel 35 is between front jocket wheel 34 and pinch roller 36.Eccentric disc 37 is arranged on the top of tension base 31 by eccentric disc bearing pin 372 pivots, and contacts with pinch roller 36.On eccentric disc 37, be fixed with an end of a swing arm 371, the then sheathed transition wheel 38 in the upper end of swing arm 371.Spring 32 is arranged in the seat chamber of tension base 31, specifically: the upper end of spring 32 is fixed on the tension base 31 by spring steady pin 323, and the lower end of spring 32 is fixed on the spring adjusting device, this spring adjusting device comprises spring base 321 and spring base adjustment screw 322, the lower end of aforesaid spring 32 is fixed on the spring base 321, and spring base 321 is connected with spring base adjustment screw 322, and spring base is adjusted screw 322 is provided in tension base 31 with the screw thread docked mode bottom.Clockwise or counterclockwise regulating spring is adjusted screw 322 can make the pulling force of spring 32 change, thereby make the pulling force of fork 39 change (increase or reduce) by spring 32, and the variation of the position of fork 39 changes the position of pinch roller 36, and the Tension Control that finally makes synnema 51 is in required degree.
Guarantee the shutdown of synnema machine in order to tackle synnema 51 fractures; therefore be equipped with a signal picker 311 on aforesaid tension base 31 and at the position corresponding to swing arm 371, signal picker 311 is electrically connected by the electrical control gas (being electric control box) of circuit and synnema machine.Signal picker 311 both can use sensitive switch, travel switch or position near switch, also can use the hall sensing element, also can use touch switch (also claiming actuating switch), be arranged on that insulating case 3711 on the swing arm 371 is used for and touch switch between insulation, when the present invention is in non operating state, insulating case 3711 can be moved to corresponding to signal picker 311 places, vice versa.In case synnema 51 fractures, swing arm 371 is just swung to signal picker 311 (under the effect of spring 32, also will describe in detail below), and the synnema machine is quit work.
Still see Fig. 1, the brake apparatus 4 that provides comprises pull bar 41, brake-shoe 42 and brake-shoe lever 43, the last end hook of pull bar 41 is put the right-hand member at aforesaid lever 33, and the lower end of pull bar 41 has a drawhead 411, drawhead 411 is connected with an end pivoting of brake-shoe lever 43 by connecting axle 4111, and the other end of brake-shoe lever 43 and the aforesaid brake-shoe lever pivotal block 151 pivotally connected (hinged) that is fixed on the supporting plate 15, this end in brake-shoe lever 43 constitutes a brake-shoe lever kink 431, and brake-shoe 42 is fixing with brake-shoe lever kink 431 by hold-down screw 421.And brake-shoe 42 is corresponding with the upper surface of aforesaid brake disc 25.
In the time will making the present invention be put to use, be that the synnema dish 5 of 400 types is taken synnema 51 and moved on the terrace corresponding to the below of aforesaid synnema extractor 2 with specification, promptly corresponding to the below of the horizontal arm 211 of putting a pivoted frame 21.The synnema 51 of drawing on the synnema dish 5 is passed synnema leadout hole 21211 and first, second godet roller 22,23 of pile warp successively, again synnema 51 is passed the central through hole of gyroaxis 24, until in the hole 2421 of first clamp nut 242, drawing, so make synnema 51 successively around and back guide wheel 35, front jocket wheel 34 and transition wheel 38 after cause the synnema machine to participate in the synnema of emitting on other thread supplying machine structure together stranded.When synnema 51 stranded by the synnema machine be under the state of bunchy, because of swing arm 371 is tending towards vertical state shown in Figure 1, eccentric disc 37 presses down pinch roller 36, the right-hand member of lever 33 is produced under the active force that overcomes spring 32 have a down dip, and the left end of lever 33 then upwarps, at this moment, the pull bar 41 of brake apparatus 4 is to bottom offset, and brake-shoe 42 leaves brake disc 25, under the tractive effort effect of synnema machine to synnema 51, make and put a pivoted frame 21 revolutions, the synnema 51 on the synnema dish 5 withdraws from smoothly.In case the situation of synnema 51 fractures occurs, then eccentric disc 37 discharges pressing down pinch roller 36, spring 32 is replied, opposite with aforesaid situation, pull bar 41 makes brake-shoe 42 act on brake disc 25 to top offset, and gyroaxis 24 stops the rotation, putting a pivoted frame 21 also is stop motion, and the synnema 51 on the synnema dish 5 no longer withdraws from.Meanwhile, by 311 effects of 371 pairs of signal pickers of swing arm, give the synnema machine by signal picker 311 with signal feedback, the synnema machine is shut down, and treats to recover aforementioned process again after synnema 51 continues.Equally, in the time of need changing dish in case the synnema 51 on the whole synnema dish 5 is used up, then the synnema machine is shut down equally.Complete synnema machine to synnema 51 stranded situations can have tens of, become hundred or tired thousand synnemas 51, so the quantity of the thread supplying machine structure of synnema machine of the present invention should equate with the radical of synnema 51.
As the industry's knowledge of the reason, the synnema dish 5 of 400 types (the copper wire amount of 120 kg, the diameter of copper wire is 0.45mm) can satisfy (8h) the stranded amount requirement in a day of synnema machine usually, the frequency of therefore changing synnema dish 5 can ultimate attainmently reduce, and working strength of workers significantly reduces.