CN1149645A

CN1149645A - Two for one twister

Info

Publication number: CN1149645A
Application number: CN 95118726
Authority: CN
Inventors: 李龙均; 李汉羽
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-02
Filing date: 1995-11-02
Publication date: 1997-05-14

Abstract

The invention relates to a two in one twister. A vertical guide tube is newly provided to a bearing base, a movable type bushing is mounted at center portion so as to be able to move up and down, a center guide tube is provided at centre of a bobbin, a movable bushing is mounted within the center guide tube so as to be able to move up and down, the yarn twisting spindle is inserted into the movable bushing, the bushing and yarn twisting spindle are supported by a bearing, annular shaped permanent magnets are respectively attached to top and bottom confronting surfaces of the vertical guide tube of bearing base and yarn twisting spindle, the yarn twisting spindle and the bobbin mounting base are made to receive repelling force in vertical to a predetermined height, protrutions of guide tube taken into hooking holes, ascending and descending height is limited, a buffing means is provided at outer circumference of bearing, the yarn twisting spindle and mounting base float inverticle due.

Description

Double-twist twisting machine

The present invention relates to a kind of double-twist twisting machine that is used for as the yarn of left hand twist yarn, right hand twist yarn or braiding twist yarn and so on, more particularly, relate to a kind of like this double-twist twisting machine, this double-twist twisting machine is made like this, soon the twist yarn mandrel is mounted to by the permanent magnet magnetic force between bearing block and the shuttle mount pad and floats on the predetermined height, the influence of the raw yarn weight that it can be rotated and be not subjected to when the twist yarn mandrel rotates, vertically to act at raw yarn shuttle place, thus increase the life-span of twisting machine and obtained high-speed wire twisting.

Conventional double-twist twisting machine is made like this, promptly as shown in Figure 1, be fixed on dead eye 201 of system on the axle supporting member 2 at framework 1 place, behind the bottom of the following turning cylinder 603 of a bearing 202 being put into twist yarn mandrel 6, it is contained in the center of dead eye, the twist yarn mandrel is mounted to bearing 202 and contacts, go up the center fixing pipe 7a that turning cylinder 602 is put into shuttle mount pad 7 with one, center fixing pipe 7a locates to install independently above bearing so that by other bearings 702,703 supportings, shuttle mount pad 7 attaching on the neighboring, top has a supporting cylinder 704, be provided with a permanent magnet 705 around supporting cylinder, this supporting cylinder is put into the circular open 801 of a fixed head 8, make shuttle mount pad 7 be retained on the center of circular open 801 by suction along another permanent magnet 802 on the circumference of circular open 801, the shuttle mount pad then is retained on the upper end of twist yarn mandrel, and a belt 9 is contacted with the turning cylinder belt pulley 604 of twist yarn mandrel, make the twist yarn mandrel to rotate, yarn perforation 605,606 wear on the circumferential wall of its cylindrical shape part from the turning cylinder top center of twist yarn mandrel, a raw yarn shuttle 10 is installed on the shuttle mount pad that is placed on twist yarn mandrel top, the raw yarn 101 of raw yarn shuttle 10 passes the yarn perforation 605 of twist yarn mandrel by pellet shot from a slingshot tensioner 21 and raw yarn guide hole 22,606 and the circular open that passes fixed head guide a top guide 23 into, be installed on the yarn winding drum (not shown) of locating at the top around one then, block the turning cylinder belt pulley 604 of twist yarn mandrel so that it is when rotating at belt 9, the yarn that passes the twist yarn mandrel is whenever goed around at the twist yarn mandrel and is just accepted the twisting of twice, obtains yarn twisting thus.

But, in this twisting machine, because the last turning cylinder of twist yarn mandrel is supported in its position that is positioned at the center fixing pipe of shuttle mount pad and rotates, under situation about raw yarn shuttle 10 being installed on the shuttle mount pad, shuttle weight vertically is delivered on the twist yarn mandrel by the shuttle mount pad, its load directly arrives on the turning cylinder bearing of twist yarn mandrel, therefore, can produce bigger frictional resistance when the twist yarn mandrel rotates.

Therefore, though provide friction resistant metal (as special material) without glossy metal and so on to bearing, even so, the wearing and tearing that can not prevent rubs causes, can not make its rotating speed keep restriction at a high speed thereby be attended by, even and rotating speed remain on low speed owing to can not prevent that the parts of being correlated with from comprising the wearing and tearing of metalwork, so be attended by the trouble of frequent replacing, therefore make the shortcoming that work is stopped and the parts expense increases in addition.

Therefore, in this device, also exist to make the shortcoming of crepe twist yarn greater than 1500-1800T.P.M..

Therefore, the objective of the invention is to develop for improving this common shortcoming.

Fig. 1 is the demonstration cutaway view of the double-twist twisting machine of routine;

Fig. 2 is the cutaway view of the basic element of character of the present invention;

Fig. 3 is the cutaway view of twist yarn mandrel of the present invention;

Fig. 4 is the cutaway view that amplifies, and the connection of shuttle mount pad of the present invention and twist yarn mandrel is shown;

Fig. 5 is the cutaway view that amplifies, and the connection of bearing of the present invention and twist yarn mandrel is shown;

Fig. 6 is the demonstration cutaway view, and wherein, the following turning cylinder of twist yarn mandrel of the present invention need not clamp nut by its tapered mode is connected on the turning cylinder belt pulley;

Fig. 7 is the plane of retainer ring of the present invention;

Fig. 8 is the sectional view of the coupled state of the retainer ring of Fig. 7;

Fig. 9 is the demonstration cutaway view, and twist yarn mandrel wherein of the present invention and bearing have been replaced;

Figure 10 is the part amplification view of twist yarn mandrel of the present invention;

Figure 11 is a cutaway view, and wherein the bearing of Fig. 9 and movable housing have been disassembled;

Figure 12 is the cutaway view of permanent magnet of the present invention;

Figure 13 is the plane of Figure 12;

Figure 14 is the demonstration cutaway view of magnetic fixation steel plate cover;

Figure 15 is a plane, and wherein permanent magnet is fixed on the steel plate cover of Figure 14;

Figure 16 is the cutaway view of bearing polishing device of the present invention.

Below, with reference to accompanying drawing preferred embodiment of the present invention is described in detail.

Fig. 2 shows a preferred embodiment of the present invention.

That is to say, the present invention makes like this: be provided with a vertical duct 3 at bearing block 2 places that are installed on the framework 1, and a movable lining 5 is installed in the center, so that move along vertical duct, the center of the shuttle mount pad of locating at the top of being located at bearing block 7 is provided with a centre pipe 701, a movable lining 14 is installed in the centre pipe so that move up and down along centre pipe, on the twist yarn mandrel, following turning cylinder 602,603 insert in the movable lining of top side and bottom side, movable lining and twist yarn mandrel are being supported by a bearing 12, and between the neighboring of bearing and lining the polishing device 13 that a polyurethane resin is made are set.

And, on the surface of facing, form the magnet-fixation grooves 607 of annular respectively, 707, wherein the cylindrical part of the end of the centre pipe of shuttle mount pad and twist yarn mandrel is divided mutually in the face of (see figure 4), annular permanent magnnet 15, the 16 magnet-fixation grooves places that are installed in top side and bottom side respectively face their same pole mutually, doughnut-shaped steel plate 151,161 are attached to respectively on the medial surface of permanent magnet, on the surface of facing, form the magnet-fixation grooves 301 of annular respectively, 608, the basal surface of the cylindrical shape part 601 of its bastard yarn mandrel 6 and the top surface of vertical duct 3 are faced mutually, and the permanent magnet 17 of annular, 18 are attached on top side and the bottom side magnet-fixation grooves identical magnetic pole are faced up and down mutually.

Similarly at the moment, doughnut-shaped steel plate 171,181 is attached on the inner surface of permanent magnet so that the stronger (see figure 5)s of permanent magnet magnetic force.

By doing like this, the repulsion magnetic force of permanent magnet just is suspended in the twist yarn mandrel on the predetermined height between the bottom of the top of bearing block and shuttle mount pad.

But, need a restraint device like this, because in the degree that suspension degree power should be limited in being scheduled to.

This device is illustrated in the Figure 4 and 5.

In other words, last, the movable lining 14 of downside, be formed with the dog hole 141 that has corresponding to the preliminary dimension of rising and decline length on 5 the circumferential wall, 501, be formed with the holddown groove 708 of annular along the surface of the circumferential wall of the centre pipe 701 of the vertical duct 3 of bearing block and shuttle mount pad, 302, hole 709,303 penetrate in the holddown groove scope and a retainer ring 27 that has hook protuberance 271 are embedded in the holddown groove, the hook protuberance 271 of retainer ring passes hole 303 respectively, 709 enter the dog hole 141 of movable lining, in 501, protuberance has just limited movable lining to top and the distance that moves to the bottom.

In Fig. 7 and 8, retainer ring and its hook-type illustrate with plane.

On the other hand, vertical duct 3 can change according to the structure of bearing block.

From Fig. 9 to Figure 11, show its structure.

In other words, under the situation that vertical duct 3 is configured to stand on the bearing block, on the circumference of standing part and vertical duct junction, be formed with the magnet-fixation grooves 304 of annular, on the bottom circumference of the turning cylinder belt pulley 604 of twist yarn mandrel, be formed with annular magnet holddown groove 609 in the face of the twist yarn mandrel, annular

permanent magnnet

19,20 is attached on upside and the downside magnet-fixation grooves so that make the same pole top and bottom right, thereby makes the repulsion of permanent magnet act on vertical effect.

And, can not make at permanent magnet under the situation of annular, then make the steel plate cover 24 of annular, and some permanent magnets that separate 25 are attached on the ring-shaped groove, so that can be made into and use the magnetic patch 26 of annular.

From Figure 12 to Figure 15, the structure of the magnet of demonstrating out.

The present invention who makes like this is like this work: because movable lining 5 is inserted in the vertical duct 3 that the bearing block place forms and retainer ring 27 is installed into and can only moves up and down, simultaneously movable lining 14 is inserted in the centre pipe 701 of shuttle mount pad 7 and retainer ring 27 is installed into and can only moves up and down, upper and lower turning cylinder 602 when twist yarn mandrel 6,603 are inserted in the lining and during by bearing 12 supportings, be attached on top surface and the basal surface of center drum part 601 of twist yarn mandrel permanent magnet just with the circumference of the centre pipe of top surface that is attached to bearing block and shuttle mount pad on permanent magnet produce mutual repulsion effect mutually, twist yarn mandrel 6 just floats over the bearing block top, its turning cylinder is inserted in the vertical duct of the conduit of bearing block and shuttle mount pad and remains on the state that can move a little up and down, at the moment, when being placed on raw yarn shuttle 10 on the shuttle mount pad 7, the weight of raw yarn shuttle just is applied on the shuttle mount pad and can descends, but because of magnet 15, the relation of 16 repulsive force can not descend again, thereby become the state that floats over the pre-position, make any load can not be applied on the twist yarn mandrel 6 fully.

Therefore, when belt 9 rotates and makes twist yarn mandrel 6 move to this state, almost there is not the rotation of frictional resistance just to be called possibility, just can obtain high speed rotating whereby, according to this point, passing the raw yarn of mandrel just can be twisted, bearing groove and metal have not just needed, and because power consumption is little, just can obtain powerful twisting machine, and because of the parts loss little, then can be made into inexpensive twisting machine, and be set on the bearing block of twist yarn mandrel and the place, bottom of the top of turning cylinder and place, bottom and shuttle mount pad can produce very effective repulsive force at very little place, space whereby owing to be made into the permanent magnet of annular, so such effect is arranged, be that twist yarn mandrel and shuttle mount pad can float with minimum cost, and according to this point, because not only yarn twisting can reach 500-3600T.P.M., and can maximally utilise existing twisting machine structure, so retrofit work easily and can boost productivity, in addition because

movable lining

5,14 are inserted into vertical duct 3,701 and the hook protuberance 271 that on retainer ring 17, forms enter

movable lining

5,14 dog hole 501,141, while

movable lining

5,14 do not disturb the rotation of twist yarn mandrel 6, the twist yarn mandrel is retained in the vertical duct, twist yarn mandrel 6 just floats by magnetic force, keep the effect in precalculated position just can accomplish whereby, and there are assembling and dismounting to be easy to advantage, and because the polishing device 13 that polyurethane resin is made covers the circumference place of bearing 12, vibration between twist yarn mandrel and the bearing just can be absorbed, therefore satisfy high speed rotating whereby, have and need not to worry the advantage damaged.

Claims

1. double-twist twisting machine, it is made like this:

Locate to be provided with again a vertical duct (3) at the bearing block (2) that is installed on the framework (1), and a movable lining (5) is installed in its core place, so that can move up and down along vertical duct,

The center of the shuttle mount pad of locating at the top of being located at bearing block (7) is provided with a centre pipe (701), a movable lining (14) is installed in the centre pipe so that can move up and down along centre pipe, the axle (602,603) that rotates up and down of twist yarn mandrel is inserted in the movable lining of top side and bottom side, movable lining and twist yarn mandrel are being supported by a bearing 12

Annular permanent magnnet (15,16,17,18,19,20) be installed on the top side of twist yarn mandrel (6) and shuttle mount pad (7) and the bottom side opposed face respectively and on the top side and bottom side opposed face of the vertical duct (3) of bearing block and twist yarn mandrel (6), twist yarn mandrel and shuttle mount pad are formed in vertical admittance repulsive force, twist yarn mandrel and shuttle mount pad are made into to float on the predetermined height

On the vertical duct of the vertical duct of bearing block and shuttle mount pad, be formed with protuberance, enter whereby in the dog hole (501,141) of movable lining (5,14), and the height that rises and descend is restricted and is provided with a polishing device (13) on the excircle of bearing.

2. double-twist twisting machine as claimed in claim 1, it is characterized in that: on the attaching part of permanent magnet, be formed with magnet-fixation grooves (301,607,608,609,507,707) and permanent magnet is housed, make the steel plate (151,161 of annular, 171,181) be attached on the rear surface of permanent magnet.

3. double-twist twisting machine as claimed in claim 1 is characterized in that: a polishing device of flexibly being made by the polyurethane resin moulding material (13) is placed on the excircle of bearing (12).