US1687942A - Chenille-making machine - Google Patents

Description

I Oct. 16, 1928. v

E. KRIEGL CHENILLE. MAKING MACHINE Filed March 28, 1927 7 Sheets-Sheet I II I INVENTOR. WMQD A TTORNEYS.

Oct. 16, 1928. 1,687,942

E. KRIEGL f CHENILLE MAKING MACHINE Filed March 28, 1927 '7 Sheets-Sheet 2 I INVENTOR.

A TTORNEYS.

Oct. 16, 1928.

E. KRIEGL CHENILLE MAKING MACHINE Filed March 28, 1927 7 Sheets-Sheet 3 R M EQRPw W m v EQRPWM n SE n wE A TTJIPNEYS.

Oct. 16, 1928.

' E- KRIEGL CHENILLE MAKING MACHINE '7 Sheets-Sheet 4 'Filed- March 2 8, 192'.

+ FIG. 7.

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3 wNTOR.

ATTORNEYS Oct. 16, 1928.-

E. KRIEGL CHENILLE MAKING MACHINE Filed March 28, 1927 7 Sheets$heet 6 dmwm Mk lNVfNTaP,

A T TORNEYS Oct. 16,1928. 1,687,942

l E. KRIEGL CHENILLE MAKING MACHINE Filed March 28, 1927 7 Sheets-Sheet 7 FIG. I3

FIG u z o 2 am 57 39 gmntoz Patented Oct. 16, 1928.

UNITED STATES.

PATENT" OFFICE.

EmBIOH KBIEGL, OF GLA'UCHAU, GERMANY.

mum-name MACHINE.

Application fled Iarcli 28, 1987, Serial No. 179,142, and in Germany lay 7, 1920.

My invention relates to windin and twisting mechanism particularly making a pile fabric known as round chenille, and my main objects are a substantial -reduc-' tion in manufacturing costs and less floor space requirement for a given output, by the simultaneous production in one working course of an increased number of chenille strands; and for an improved and positive automatic control of the machine elements whereby the exhaustion of supply, or breakage of any of the pile forming or warp threads will be immediately detected irrespective of the careful watchfulness of the operator, thus reducing to a minimum defective waste production.

With these main objects in view, and with others that will appear later herein, my invention relates to improvements in the heretofore known machine constructionas fully set forth and described in the following specl fication in connection with the drawings accompanying the same and forming part thereof, the novel features whereof areparticularly pointed out in the subjoined claims.

In the drawings,-

Fig. 1 is mainly a nal sectional view of essential features of a winding and twisting machine embodying my improvements; the known twisting mechanism being indicated merely by the warpengaging rotated and traversed hooks.

Fig. 2 is an enlarged partial longitudinal sectional plan view showing mainly my improved receiving form for the pile-forming windings and guide for the inner warp threads; Figs. 2* and 2 being partial transverse sections at different portions in the length of said form.

Figs. 3, 4:, and 5 are enlarged detail crosssectional views of the form and parts cooperating therewith adjacent the pile cutting de- Vices, taken. respectively on the lines AB,- CD, and EF of Fig. 6.

Fig. 6 shows in side elevation the parts indicated in Figs. 3, 4 and 5.

Fig. 7 is mainly a partial end elevation, looking in the-direction of arrow 7 of Fig. 6.

Fig. 8 is mainly a reverse end elevation of the showing of 'Fig. 6, looking in the'direction of arrow 8 thereof.

Fig. 9 is an enlarged diagrammatic side elevation showing the upper and lower tiers of strands extending from the end of the winding form toward the twisting) devices;

adapted for.

diagrammatic longitudi-.

and Fig. 10 is mainly a corresponding end view thereof.

ly my automatic mechanism operative upon I exhaustion of. supply or breakage of any of the pile-forming threads of the spools carrled by said head.

Fig. 12 is a partial detail plan view indicatlng the automatic control mechanism for the series of twisting chenille strands.

Fig. 13 shows further automatic control mechanism applicable to the'series of warp threads.

The general type of machine indicated in the drawings is of known construction, and comprises a hollow shaft 1, fixedly mounted. in table bearings not shown, and rotatably supporting a belt driven spool head 2, the latter carrying one or more spools in suitablebrackets permitting their ready removal and replacement and proper tensloning, so

that the pile-forming thread supplied by said spools may be drawn off as required and led over a guide ring 5 fixed to said spool head 2.

Such thread or threads 4 have heretofore been wound or wrapped around some kind of form, spaced bars, or directly upon spaced belts extending beyond hollow shaft 1 and tauted and equally driven to feed the windings therealong, inner and outer warp threads being laid on said windings adjacent to'and parallel with the spaced belts, and the cutting devices severing said feed windings between said belts, and such cut windings then being engaged by twisting'together each respective pair of warps to produce two round chenille strands. To my knowledge, all heretofore known machines adapted for roducing chenille strands, have by their inherent structure, been of such limited capacity, which is uneconomical in use of floor space and recreased in diam eter or spread so that they .may besevere'd at a number of places to form a number of lengths each adapted to form the pile of a strand; and furthermore each such longitudinal line of severed lengths must be supplied with inner and outer warp threads and supported in proper position between the latter until engaged therewith. by the twisting together of its respective pair of warps. i

As a preferred embodiment .of a form suitable for my purpose I employ a form 7, which as shownin the drawings, is mainly of rec: tangular cross-section with one endsupported withinthe hollow shaft 1 by a diametral taper pin 8, and its opposite free end extending in an axial plane beyond said shaft. Upon the form 7 the pile forming thread f is wound by the rotated spool head 2, said windings being fed along said form by side feed belts 9, as heretofore, so as to lay said windings in regular convolutions and carry the latter to the cutting devices. The belts 9 are preferably of steel wire, and preferably also I employ two such belts on each side of the form 7, extending longitudinally close to the I I side edges of the latter, and for part of the length thereof adjacent the hollow shaft 1, in edge guide ways, as indicated'in Fig. 2. lhe drawings show only the portions of said belts extending through the hollow shaft 1 and over thrust guide sheaves 10 at the free end of'the form, and they may be on any known type, endless and extended over drive wheels, or reciprocated between winding drums; in which latter case they are of sufficient length to form a commercial length ofstrand, and the reciprocation takes place between strand formations; but in either case they are traversed in-the portion shown in the drawings at equal and vdetermined feed speed in the direction of the arrows. 1 My improyed form 7, as shown, is adapted to produce as heretofore the usual pair of edge chenille strands by laying within the windings 6 between the feed wires 9, a longitudinal inner warp thread, superimposing an outer warp thread on said windings by means of the thrust guide sheaves 10, and severing 7 said windings on opposite sides of said pair of superimposed warps. But to increase the number of chenille strands producible in one 7 working course, I employ the entire surface of said form 7 as a guide for additional longitudinal warp threads, and preferably as shown, to insure the proper lateral spacings 1 the under flat surface.

of the latter, oove said form surface 'to provide determined guide ways 11 for said warps 12, and-in the present instance, I form the guide ways in the upper fiat surface of the form directly opposite the guide ways in 4 The form 7, as shown, at the hollow shaft supported'en'd provided with the aforesaid edge guide ways for the feed wires 9 and one warp thread, and witha is reduced in thickness and the feed wire guide ways omitted beyond the guide ring 5 I so that the windings 6 will lie directly onthe longitudinal warps 12- and feed wires 9, as clearly seen in Fig. 2", to avoid frictional contact with the form in their travel there along, the warps 12 being traversed at equal speed with the wires 9 by the take-up. motion of the twisting mechanism as will later appear hereinafter. While the bridge 13 and guide-ways 11 are both shown, one may be used without the other. i

The outer end of said form 7, between the thrust sheaves 10, is recessedas shown, to provide a series of projecting lugs or tongues 1d, extending between a series of cutting devices; the latter preferably consisting of pairs of rotated discs with their cutting edges overlapping within said recesses. And to facilitate the simultaneous cutting of the windings on both the upper and lower surfaces of the form, it is important that said windings may contact at their points of severance,

without stretching of the same to' avoid breakage and insure an even line of cutting; and with this in mind, ll preferably outwardly taper each projecting lug 14 so as to reduce its thickness, and at thesame time round its opposite surfaces, its resulting cross-section approaching an outwardly reducing oval as clearly shown in Figs. 4 and 5.

lhe outer pairs of said cutting devices 15 the simultaneous production of additional chenille strands by superimposing an outer warp thread over each of the series of inner warp threads 12 and twisting said pairs of inner and outer warps together as heretofore to engage the respective portions of the cut windings extending laterally on each side of said pairs of warps.

With this object in view, I provide, as shown, adjustably fixed upper and lower outer warp thread guide plates 17, 17, projecting respectively toward the upper and lower surface of the outer end of the form 7 adjacent the series of cuttin devices 15 with the ends curved to'provi eclearance for the latter and their surfaces having spaced guide ways 18 vertically alined with the form guide ways 11 to receivethe series of outer warp threads 19; guard$ 2O insuring 42 determinedly moved ways 18 of projections 21, are accurately laid on the windings 6 in directly superimposed position over the respective-mnerwarps 4,

and said cooperating supports 21, 21 and form rojections 14 retain them in such position uring the cutting of the windings intermediate such pairs of warps, and the latter are retained in position extending laterally between their respective pairs of warps until fixedly engaged there-between by the twisting together of said warp pairs in well known manner.

Such twisting of the pairs of warps causes a rotation of the cut windings intermediately engaged thereby, and in order that, such rotation may be assisted by, and not retarded by the rotary knives, at its initial point between the latter and beyond the supports 21. 21 and 14, I preferably form. the series of rotary knives ,with opposed rough and smooth sides in accordance with their respective rotations coinciding with or being opposed to the rotation of their respective intermediate chenille strand 22 or 22, as clearly indicated in Fig. ,5

by the words rough and smooth and the arrow showing the rotary direction of the chenille strand.

Any known form of twisting mechanism may be employed in connection with my improvements above fully described, the same commonly compnsing rotated warp engaging hooks 43 mounted in a reciprocated carriage in a direction coincident with the traversed feed wires 9 by weights or the like,-so as'to traverse said warps at equal feed with the wires 9 and twist them together to form chenille strands 22,

' 22; it being essential for my purpose that to said supports relation to said car iage provide a rotated hook 43 for each pairof cooperating warps. I

Due to the shape of the cooperating projectin supports 14, 21,21, and to insure uniform c ienille strands, I prefer to draw oflf the series of upper and lower strands 22 and 22 respectively, in divergent directions as clearly seen in Figs. 1' and 9, and furthermore to prevent objectionably sharp twist extending I preferably bend said divergent series at a point removed from said supports as indicated at the angles B B, be yond which they extend in spaced parallel their respective'hooks 43. And to insure a desirable equalized j uniformity of twist throughout the length of each chenille strand I employ, as shown, cranks or cams 23, 23, connected by pairs of rods 24, 24, re-

pro-

.source of electrical energy,

threads 4, eyes 32 and spectively to a pair of short radially swinging arms 25 and a plair of longer radially swlnging arms 26, eac of said arms having a transverse portion extendin across the series of chenille strands. And so time the-cams 23, as to cause the engaging edge 27 of a long arm 25 to contact with the upper series of strands 22, while a corresponding edge on a short arm contacts with the series of strands 22', and reversely as the cams shift the other arms'25 into contact position. By the means shown, which of coursemay be varied, its essential feature being the spacings of contacts with the twisting strands maintaining the angle bends B at varying points in its length, I reduce the twist in the divergent portions, say at the point of contact of a long arm, which twist will at once extend to the short arm contact as the latter engages and long arm disengages, and when long arm again contacts, the twist will extend beyond the short arm contact to the initial point of twist, thus preventing harmful'ly tight twist from reaching to such initial point, and equalizing the twist imparted throughout the entire length of' strands formed.

It will be understood of course 'thatthe cooperating warp guides and severing devices are so mounted as to be capable of nice adjustment in'the relation to one another asindicated by the crossed arrows so as to provide for accurate positioning for various requirements of differences in yarn weights and materials employed.

.To accomplish a second main object, heretofore stated, of automatically controlling operations of the machine in case of exhaustion of supply or breakage of any thread, I provide means shown more fully in Figs. 11, 12 and 13. 1 In Fig. 11, I have shown the control appli cable to the spools 3 on rotated head 2, such means, as preferably indicated, comprising a series of arms 28, one for each spool 3 employed, insulatedly mounted on spoolhead 2 with interposed insulation 29, and carrying a contact 30 in electrical contact with a cooperating contact 31, preferably in the form of a ring insulatedlymounted on'hollow shaft 1, and connected-by a wire, as shown, to a 32, 33, and 34 eyes for each of the 34 being adjustably fixed to arm 28 so as to permit variations for differences in thread thicknesses and strength,

represent thread guide and varying centrifugal throw of the rotated head 2; while eye 33 is movablewith its supporting post 35, vertically carried in arm 28,

and a spring 37 normally retains its contact38 out of engagement with cooperating contact ring 39 mounted on shaft 1. 40- and 41 are screws to adjust the position of eyes 32 and 34 was to position the. purpose act through shaft. 1 which is preferably of them in relation to eye 33 for heretofore stated. Contacts 39 metal and connected by a wire shown to the source of electrical energy.

Ihe action is such that the centrifugal force of rotation of head 2 and arms 28 carried thereby, tends to cause the post carried eyes 33 to shift their contacts 38 into engagement with ring contact 39, such action being partially resisted by springs 37 and further resisted by the tension tauted threads 4 between adjusted eyes 32 and 34. Should the supply of thread on any spool become ex: hausted, or any spool thread break, the resistance of such thread against its corresponding post guided eye 33 ceases, and centrifugal force will cause contact of its post end 38 with ring 39 to close an electrical circuit as clearly indicated. Such electrical circuit, when closed, may be utilized in any convenient manner to stop the machine, as by operating a power control clutch or motor switch as best suited for the purpose. Springs 37 merely prevent closing of the circuit when the machine is at rest, as for resupplying with spools,

- and screws 40 and 41 as shown, permit adj ustment of eyes 32 and 34.

Fig. 12 shows the automatic control for v the chenille strands, each strand hook 43 having a limited independent longitudinal movement in traversing carriage 42, such movement brin ing its opposite end 47, ro-

vided with an e ectrical contactpiece 44, into engagement with a yielding contact member 45; a spring of sufficient force only to move the book 43 longitudinally when a strand breaks, insures such closing of an electrical circuit, and a stop 48 on the carriage limits the shaft movement against yielding contact 45. The operation is clearly shown and requires no further description.

Fig'. 13 shows an automatic control wh1oh T is applicable to any of the warp threads employed, and consists simply of a series of thread guide eyes 49, one for each warp, mounted in a frame bar 50 and independently movable therein by action of springs 51 to cause their depending ends to electrically contact with a contact plate 52. The-tem- 1 sioned ,warp threads normally raise said depending eye ends away from such contact due to the tension given the thread, and when such tension fails, as by breakage or exhausted supply, the corresponding eye contact will close the electrical circuit and act to stop the machine as above set forth. 4 I

From the foregoing detailed descrlption of preferred means foraccomplishing my (all main objects set forth, and other objects disclosed later in connection with specific fea= tures, I believethat the construction and advantages of my invention -will be readily understood; and it is obvious that modifications and changes in the details disclosed may be readily made without departing from the spirit of my invention, the scope of which is I defined in the following claims.

What I claimas my inventionand desire to secure by Letters Patent, is:

1. A winding and twistingrmachine for simultaneously making numerous chenille strands, comprising means for winding a pile-forming thread; means for laying a series of opposed'inner and outer warpthreads for said windings and jointly feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair ofwarps.

2. In a winding and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a series of opposed inner and outer warp threads for said windings and jointly feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a receiving form for.-

said windings the surface of'which is arranged to guide said series of inner warp threads in laterally spaced relation.

3. In a winding and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a pileforming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointly feeding'the same;

SW pile-forming thread; means for laying a simultaneously making numerous chenille.

strands, comprising means for winding a pile-forming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointly feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a receiving form for said windings of oblong cross-section having fiat top andbottom surfaces forming warp thread guide-ways arranged in laterally spaced rela tion corresponding with the length of pile thread required for each of the several chenille strands produced. a

'5. In a winding and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a pileforming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointlyfeeding the same;

a series of cutting devices ,for said windings w in the feed path between each pair of warps;

and a separate twisting device for each pair of warps; a receiving form for said windings of oblong cross-section having flat top and bottom surfaces forming warp thread uidethreads for said windings and jointly feeding the same; a series of'cutting devices for said windings in the feed path between each pair of warps; anda separate twisting devicefor each pair of warps; a receiving form for said'w-indings having warp guiding projections extending between said cutting deseries of inner warp threads 'in' laterally spaced relation, and guide means for said vices.

7. In a winding and twisting machine for simultaneously maklng numerous chenllle strands, comprising means for winding a pile-forming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointly feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a receiving form for said windmgs having warp guiding pro ections extending between said cutting devices, said extensions having rounded top and bottom guide surfaces.

8. In a winding and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a pile-forming thread; means for laying a series of opposed inner and outer warp threads for said windings and j ointly'feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a receiving form for said windings the surface of which is arranged to guide said series of inner warp threads, the latter supporting said windings away from said form surface.

9. In a winding and twlsting machine for simultaneously making numerous chenille strands, comprising means for winding a pileforming thread; means for laying a series of opposed inner said windings and jointly feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a receiving form for said windmgs the surface of which is arranged to guide said outer warp threads arranged to lay the latand outer warp threads for ter on said windings in superimposed relation .to said series of inner warps.

10. In a winding and twisting machine for simultaneously ,making numerous chenille strands, comprising means for winding a pile-forming thread; means for laying a series of opposed inner and outer, wa

threads for said windin s and jointly .fee

in the same; a series 0 cutting devices for said windings 1n the feed path between each pair of warps; and a separate twisting device for'eaeh pair of warps; a receiving form for said windings having inner warp guiding projections extending between said cuttin devices, and outer warp uides having similar projections co-exten ing withsaid first named projections and in spaced relation to the latter.

11. In a winding and twisting machine for simultaneously making numerous chenille" strands, comprising means for winding a pile-forming thread; means for laying a. series of opposed inner and outer warp threads for said windings and jointly feeding the same; a seriesof cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a receiving form for said windings havingJinner warp guiding projections extending etween said cutting devices,

and outerwarp guides aving similar projections co-extending wit said first named projections and in spaced relation to the latter, the opposed surfaces of said projections being reversely curved. l

12. In a winding and twistixig machine for simultaneously making numerous chenille strands, comprising means for winding a pile-forming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointly feedin the same; a series of cutting devices for sai windings in the feed path between each pair of warps; and a separate twistin device for each pair of warps; said cutting evices comprising pairs of cooperating rotary edgecutting discs, the opposed fiat faces of ad- ;jacent pairs being respectively smooth and roughened.

13. In a winding and twisting machine for simultaneously making numerous chenille strands, comprisin means for winding a pile-forming thread; means for layin a series of opposed inner and outer warp t reads for said windings and jointly feeding the 'same; a series of cutting devices for said windings in the feed path between each pair of: warps; and a separatetwisting device for each pair of warps; a series of guide ways between said cutting devices each adapted to support a line of cut windings intermediate a pair of superimposed warps.

14. In a winding and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a pileforming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointly feeding the same; a

series of cutting devices for said windings in the'feed path between each pair of warps; and a separate twisting device foreach pair of warps; and means adapted to angularly deflect each of said pairs or" warps beyond its respective guide way.

15. In a winding and twisting machine for simultaneously making numerous chenille strands, comprisin means for winding a pile-forming threa means for laying a series of opposed inner and outer warp threads for said windings and jointly feeding the same; a series of cutting devices for said windings in the feed path between each pair of warps, and a separate twisting device for each pair of warps; contact members for the series of forming chenille strands adapted to deflect their path of feed to their respective twisting devices.

16. In a winding and twisting machine for simultaneously making numerous chenille strands comprisin means for winding a pile-forming threa means for layin a series of opposed inner and outer warp t reads for said windings and jointly feeding the windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a stop motion mechanism comprising an electric circuit and athread-actuated circuit-closing contact member, and means actuated by a normally feed- -ing thread to hold said contact in non-contacting position.

18. In a winding and twisting machine i thread actuated contact normally held in same; a series of cutting devices for said windings in the feed path between each pair of warps; and a separate twisting device for each pair of warps; a pair of spaced alter:

nately engageable contact members for the series of forming chenille strands adapted to varyingly'deflect their path of feed to their respective twisting devices.

17. In a winding and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a pileforming thread; means for laying a series of opposed inner and outer warp threads for said windings and jointly feeding the 7 same; a series of cutting devices for said circuit-closing position by the centrifugal throw of said winding means, and means actuated by a normally feeding pile thread to hold said contact in non-contacting position.

19. In a winding. and twisting machine for simultaneously making numerous chenille strands, comprising means for winding a pile-forming thread; means for layin a series of opposed inner and outer warp t reads for said windings and jointly feeding the same; a series ofcutting devices for said windi ings in the feed pathbetween each pair of warps; and a separate twisting device for each pair of warps; a stop motion mechanism comprising an electric circuit and a circuit-c'losing contact carried by each of said sion of the warps respectively engaging said twisting devlces. 4

In testimony whereof I afix my signature.

i ELEMERIGI-I IEGL.

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