US1409298A - Braiding machine - Google Patents

Description

BRAIDING MACHINE,

APPucATloN 11150111.1151. 1917.

s. HORN AND E. STCKEMANN.

BRAIDING MACHINE.

APPucATloN FILED` JUNE 1, 1917.

Patented. Mar. 14, 19'22.

4 SHEETS-SHEET 3.

G. HORN AND,E. STCKEMANN. BRAIDING MACHINE.

APPLICATION FILED JUNE l. 1917.

Patented Mar. 1922.

parte, stares Parent icierren. f-

`:mamma MACHINE.

Application mea June 1,1917. seriai No. 172,365.

`Specicationof Letters Patent.

Patented'Mar. 14,1922.

(GaaNrnn UNDER :una PROVISIONS or THE 'Aer or MARGH s, 1921, 41 sur'. L., 1313.-)

To aZZ whom it may concern Be it known that we, GUIDOHORN, residing at VVeissensee, Berlin, Germany, and

ERNST S'rcnnMANN, residingat 18 Siemens St.,.Berlin, Germany, subjects of 'the' Gerlman Emperor, have vinvented newy and useful Improvements in Braiding Machines, of which the following is a specification.l

rlhis invention relates to machines for producing braidings on round bodies in which the threads paid out from the outer series ofbobbins are guided by thread guiding wheels along cycloid tracks traced upon a concave spherical surface. ,Anch-ject vof the invention is to avoid the drawback that is coupled with the guiding of the; outer threads alo-ng cycloid paths and which exists 1n machines now inv use rbelng unadapted for the production of braidings whiehsconsistof pairs ofthreads and in whicheach pair "of threads runningl in l one-*direction passes over and under consecutive pairsofv sulted in ya vmachine that is not capable of economical production and in anothercase `the path of the thread leading to the thread guide becomes toozinaccessible and the inachine too costly for commercial use..

The desired end is accomplished in the present invention by providing rotating thread guides that alter their angular` speed so that the outerthread may be kept in its lower position long enough to enable two inner threads to glide overi-t. During the interval in which the outer thread is kept.

in the lower position it dips downinto an indentation between two'sections of the runway along which'the carriers yof the inner thread bobbins travel. As therouter thread continues rotating towards the approaching inner thread -whilst it (the outer thread)V is kept in the indentation, therunway support with the said indentation Vis made to execute seen from above, Y

la motion in the samey direction as the outer thread. i

Two devices for accomplishing` the vary- ,Y Ying angular speed ofV the thread guides are hereinafter 1 described, the first comprising elliptical thread guiding wheels, whilst the second device constitutes thread guide levers :that revolve on pivots. arranged eccen- `trically in their driving wheels.

The invention is illustrated inthe accompanying drawing in which Figs. l to 5,rep resent one method of executing the machine and Figs. 6V and 7 a modification.

Fig. l is a vertical section of the machine, I,"

F'g.` 141 a grouppof thread guiding wheels on-an enlarged scale.

Fig. 2 a viewfof che half of the Y 8 illustrates la group Vof threafd", ing Wheels and thejpath described-bythe thread guided b-y these Wheels, whilst Figs.- 4 and 5 'show ytwodifferent modes of thereby.

l 'Fig 6 shows one halflfthe principal grouping the threadjguiding wheels and the lcorresponding styles Vof braiding 'produced rig. 7 illustrates are path described by an 'if outer thread in theinodi'ed'machine.

In Fig. l -a .hollow vertical columnor pivot 2 is mounted on the foundation plate carriers 11 glide that carry the in ner bob- 41. Revolving about the pivot 2 is an inner rotor 3, an outer rotor 6 and a. runwaj'rot'or bins12. The .outer rotor Gcarries the outer Vbobbins 23. and the . guide wheels 26,27` for .the outer `threads. 1 Intermediate Vwheels are .pivotally mounted lonthev runway rotor 9 which transfer motionto theinnerbobbin carriers 1 1. A'cogwheel 144 isffixedg to the hub at the lower side. of fthe runw rotor and another cogwheell attached to kthe stationary column 2.- .'l-he wheel l5 meshes with a gear vwheel 16 that isirigidlyxed to another gearwheell? which. engages with the Wheel 14..

The innerrotor 3 is rotated bythe driving shaft with the aid of the bevel wheels 4 and 5. Its periphery takes the'shape of a circle 1 8 of upwardly pointing teeth that engageV with the intermediate Wheels v13.

Revolubly mounted on its upper' surface is the aforesaid pair of wheels 16 and 17 and liXed to its Vhub at its lower side Yis the toothed' wheel 20. The outer rotor 6 is revolved by the bevel wheels 7 and mounted on the {upper side ot' the outer rotor are the intermediate gear wheels 19 and 19a, the wheel 19 meshing with the toothed wheel 20. An annular middle rotor 21 with internal. gearing isL revolubly mounted on the upper surface of the outer rotor 6, the middle rotor being concentric to the pivot 2. The internal gearing of the middle rotor engages with the gear wheel 19a. The periphery of the middle rotor is shaped in the form of a bevel wheel with upwardly pointing teeth 22.

The outer bobbins 23 are suspended from the under side ofthe Outer rotor 6. This rotor also carriesthe upright supports 24, which bear the pinions' 25 and the )airs of elliptical toothed wheels 26 and 217. The pinions 25 are driven by the circle of teeth 22 and are fixed to the elliptical wheels. 26. The elliptical wheels 27 carry the thread guides 28- the hollow axes of which form passages for the threads from theA outer bobbins 23.V v Y l The runway 10 on the runway rotor 9 has indentations 29 into which the outer threads are dipped down when in their lowest positions. The braiding point Mis the pointof intersection of the lines drawn throughthe central axes of the elliptical wheels 27.'-

The operation of the ,machine is as follows: p Y

The rotors 3 and 6y arey driven in the same directionjbut at different speeds by the bevel wheels 4 and 7. The outer bobbins 23 rotate with the outer rotor 6. The circle of teeth 18 ofthe inner rotor` 3 meshes with the intermediate wheels 13 and these drive the inner bobbin carriers 11 with the bobbins 12 at the same speed as the inner rotor in the opposite direction. Y

The toothed wheels 20, 19 and 19n are geared with the internal gearing of the toothed middle rotor 21 so as to produce a greater speed of rotation than the outer rotor 6. rIhis results in the rotation of the pinion 25 and in a turning of the elliptical wheel 27, the rotation of this wheel corresponding to a forward rolling'` motion in the direction of rotation of. the outer rotor 6. Y,

During the rotation of the inner rotor 3 the cogwheel 16v rollsover the teeth of the fixed wheel 15. It'transters its rotary motion to its associated wheel 17' and this wheel imparts with the aid of the wheel 14, the

way rotor 9 which is necessary to enable the indentations 29 to tale up the outer threads whilst the inner bobbins are ypassing over them. Y

The threads trom the inner bobbins pass 3. Revolubly' direct from the bobbins to the braiding point M.' The threads from the outer bobbins 23 are led throughthe hollow axes lot the el- Y liptic wheels 27 and through the eyes of the thread guides 28, whence they pass to the braiding point. In the present case the spedv of rotation of the wheels 27v is ar-v ranged so that the outer threads pass over two inner threads and then under two inner threadsalternately. Neighboring groups of thread guide wheels may beset so that each pair ot' threads in onedirection passes over mg thread guides altering Ytheir angular guides I are in their outer, and `guides II in their inner positions, while inthe production of the styleof braid shown in Figure, they distant from Veach other, while the thread Vguides of I are in their outer, and'rof II in their inner positions (three quarter); Y

. are grouped in pairs and the groups are equi- The four machinelparts 3,76, 9 Aandi2l travel in the same Vdirection at "different speeds'. In the machine described two rotors are driven direct by the driving shaft. It will be apparent that all ot` the rotors may derive their motion frolfnrone direct drive or that severalvlrotors may each be driven direct. Y i

In the modiiication shown'in Figs. Gand 7 a. simpler form of oiiter thread guide is employed. Instead of elliptical wheels a single annular toothed wheel 49 is employed in the tired axis 46 of which the thread guide is revolubly mounted on any eccentric pivot 47 so that a varying angular speed of the ythread guide'results when the annular wheel rotates. Y l

The Irunway rotor 32 Vand the inner rotor 33 rotate about the middle aXisr31 and the outer rotor 34 revolves about the hub of the middle rotor 33. rl`he outer and inner rotors 34, 33 are rotated at different speeds by bevel wheels 35and 36. The pairvoiz wheels 37 is turned with the'rotor 33 about the axis 31` theV lower wheel 37 rolling over a circle of/teeth fixed to the axis 31 and the upper wheel37 meshing with agcircle of teethy fixed to the runway rotor 32 thus driving the run `way rotor at a lower speed. amount of forward rotary motion to the run- Y Bobbin carriers 33 with the inner bobbins 39 glide along thecircular runway supportedby the runway rotor, the carriers 39 being propelled in the opposite direction to the runway rotor and to the outer bobbins 44 by a circle olii' teeth 4l carried by the inner ro- Y 1 ,soirees tor that mesh with intermediate wheels 40. Suspended from the runway rotor 32 are supports 42 that carry a circleof teeth 43. The rotor 34, from which the outer' bobbins 44 are suspended, carries `upright wheel-sup? ports 45 to which the large pivots or axes 46 are fixed. These axes have eccentric holes that'take the hollow shaft-s 47 of the thread guides 48. By the motion of thev circle of teeth 43 the annular wheels 49 are caused to rotate on their axes 46 and thread guides 48 are then rotated by propelling pins 50 in the annular wheels. A

From the relative movements of an annular wheel and the thread guide associated therewith illustrated in Fig. 7 it will be seen that the thread Vguide lever that imparts the up and down movement to the vouter thread is kept in its lower position a greater part of the time and also travels a sho-rter distance during this time The consequence is that if a corresponding number ot bobbins are provided the outer thread will be guided over and under each ot two consecutive pairs o inner threads.

le claim: 1.- A machine for producing braidings on round bodies comprising, an inner and outer circularly disposed series of thread supplies, carriers 'for the inner series of thread supplies, a runway for the saidY carriers, teeth on the said carriers, driving'wheels revolubly mounted o-n the said runway and engaging with the carrier teeth, an inner rotor with'a circle of teeth that engages with the said driving wheels, an outer rotor carrying the outer series of thread supplies, means for rotating theY inner rotor at a greater speed than the outer rotor, and means for moving the said runway in the same-direc# tion as the outer'rotor but at a slower speed. VQ. A machine for producing braiding on round bodies comprising, an inner rotor7 a runway, an outer rotor, intermediate wheels revolubly mounted on the runway, bobbin carriers rotated on the runway by the said inner rotor and the intermediate wheels, bobbins so mounted on thev outer rotor that their axes all lie in one and the same plane. thread guides for guiding the threads from the outer bobbins .to the braiding point of the machine, means for rotating the thread guides at varying angular speeds. and means for'rotating the outer rotor in the opposite ldirection to the said carriers. 3. A machine for producing braiding on round bodies comprising an inner rotor, a runway. an outer rotor, intermediate wheels revolubly mounted on the runway, bobbin carriers rotated on the runway by the said intermediate wheels and the inner rotor,

bobbins so mounted on the outer rotor that their axes all lie in one and the same plane, thread guides for guiding the threads from the outer bobbins tothe braiding pointof the machine, means forl rotating the thread v,direction as and faster than the outer rotor.

4.,'i--machine for producing braiding on round bodies comprising, an inner rotor,' a runway, an out-er rotor, intermediate wheels revolublyi-mounted on the runway, bobb'in carriers rotated on the runway by the said intermediate wheels and the inner rotor, bobbins so mounted onthe outer rotor that their axes all lie in one and the same plane, thread guides for guiding the threads from the outer bobbins'to the braiding point Lof the machine, means for rotating the thread guides ,atY varying angular speeds, means for rotating the vouter rotor in the oppo-` site direction to the said carriers means forV rotating the said inner rotor in the same direction as and faster than the outer rotor, and means for moving the said runway in the same directionas butl slower than thev outer rotor.

5. A machine for producing braiding on round Vbodies comprising, a runway, an-,inner rotor, a middle rotor, an louter rotor, intermediate wheels revolubly mounted on the runway, bobbin carriers` rotated on .the

runwayby the said intermediate wheels and* the inner rotor, bobbinsv so mountedV onthe outer rotor that their axes lall lie in one and the samel'plane, thread guides for guid-` 100 ing the threads `from the outer bobbins to the braiding pointvof the machine, elliptic Vwheels 'for rotating the thread Vguides at varying speeds, a circle of teethon the middle rotor, a pinion coupled to some of thelOS' elliptic wheels and engaging with the circle n ot' teeth, means for rotating the outer rotor in the opposite direction to the said carriers,` and means for rotating the middle rotor in the same direction as but faster thanY the outer rotor.

V6. A machine for producing braiding on round bodies comprising, a circular runway, bobhin carriers travelling on the said rune way, an inner rotor. a middle rotor, an outer rotor` bobbins attached to the outer rotor, elliptical wheels, pinions engaging with the` said elliptical .-wheelS, thread guides propelled at varying speeds by the elliptical wheels, the elliptical wheels and pinions being mounted on the outer rotor, a circle of teeth on the middle rotor engaging with the said pinions, means by which the inner rotor propels the bobbin carriers in the opposite direction to the outer rotor, and means for rotating the middle rotor ata higher speed than the outer rotor. Y Y

7. A machine for producing braiding on round bodies comprising, a circula-r runway, bobbin carriers travelling on the said run- Vivayf. an inner Toter, a :iniclclle rotor, an

oiiteifi'otor, liobbins attached to 'the outer wim', elliptical wheels, pinions engaging with the said elliptical wheels, thread guides propelleilat varying speedsby the elliptical i tating the 'niiclclle-lorolijat a higher. speed Vthan. the ouleiy rotor/4 and means foi' moving the runway in the saine direction as but at a slower speed than the outer 'otor..

In testimonyv whereof. I have alixecl my Y signature in presence' of two 4Witnesses.

GUIDO HORN( ERNST STCKEMANN; llitnesses: l if .L. BELS,

T. GEIER.

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