DE1685152A1 - Method and machine for the production of knobs for the production of a velvety textile material - Google Patents

Description

Method and machine for the production of knobs for the production of a velvety textile material.

The invention relates to a machine for the production of knobs for producing a velvety Textile fabric and has the purpose of a machine for producing knobs to form a velvety textile To create material, the grinding of a one on both surfaces of an underlay material or work piece umpteen yarn or thread.

Another object of the invention is to provide a nub machine for producing a velvety To create textile fabric, the machine being simple, but at the same time effective and a can produce a qualified work piece economically.

Another object of the invention is to provide a knob making machine which

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produces a velvety textile in which the the thread forming the knobbed loops cannot be easily pulled out.

The machine of the invention includes a needle which can be moved in the longitudinal direction through a base material (work piece), in connection with a pair of opposing grippers on the side facing away from the needle, of the underlay material, which is connected to the half speed of the needle can be actuated, whereby the hooks with the needle alternate at successive Stitches work together, and one of the grippers can grasp the loop of thread presented by the needle and it holds, and presents it to the needle on the subsequent stroke or path, while the other looper the detect the loop presented by the needle during this subsequent stroke or this subsequent movement and can hold on. Around a loop of thread on the side of the needle To form the work piece, a stitch holding finger or stitch carrying finger is provided, which with each stitch formation cycle is moved laterally so that one leg of the yarn is placed over the finger.

In the following description, an embodiment of the invention is described in conjunction with the drawing for example * explained.

Fig. 1 is a vertical sectional view taken across a machine on which the invention is

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is embodied.
Pig. 2 is a partial section along line 2-2 of FIG. 1.

Figures 3 through 11 are partial sectional views of the loop forming Instrumentalities of the machine of the Figures 1 and 2 depict successive stages in the loop making process. According to FIGS. 1 and 2, the invention is implemented on a machine for producing knobs that have a Housing 1, which consists of a pair of opposing side plates 2 and 3 * which are vertically spaced and parallel are arranged to each other and made of cross or cross pieces 4 or 5 extending between them. That Housing 1 is supported by a stand 6 which includes vertical legs 7 which at their upper end through End pieces 8 and cross pieces 9 are connected, and the side plates 2 and 3 are attached to the vertical strut of the end pieces 8, for example by welding.

A main shaft 10 is supported in bearings 11 which are supported by the side plates 2 and 3, and it is driven by a chain 12 around a sprocket 13 at the end of the main shaft 10 outside the side plate 3 and around a sprocket 14 on the output shaft 15 a speed reduction gear 16 is taken, which is attached to the stand 6 at the corner of the entrance, side of the machine is arranged. The transmission 16 can

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driven by a belt 17 wrapped around a pulley l8 is taken along on the input shaft 19.

A needle plate 20 carrying the workpiece is arranged on the crosspiece 5, which needle plate has pingers 21 which are arranged to the side of the machine at a uniform selected distance from one another and which extend from the plate 20 towards the rear or exit side of the machine. A backing fabric F can be advanced across the needle plate 20 in the direction of arrow A in FIG. The feed rollers 22 are supported in the side plates 2 and j5 at the bottom and entry side of the machine on axes parallel to the axis of the main shaft 10, and are connected for mutual rotation in opposite directions by intermeshing gears 24 (Fig. 2) which are fixed on it outside the side plate 2 and can be driven by the main shaft 10 through a speed reduction gear 25 which is arranged on the top of the side plate j5. The transmission . 25 has on its output shaft 27 a sprocket 26 which is connected by a chain 28 to a sprocket 29 on the shaft of the upper of a pair of rollers at the end opposite the end on which the gear 24 is arranged, ie at the end outside the side plate 3. The

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The input shaft 30 of the transmission 25 has a sprocket 31 which is connected by a chain 32 to a sprocket 3J> on the main shaft 10. The removal rollers 23 are mounted in bearing parts 34 on the rear edges of the plates 2 and 3 and are furthermore arranged so that their axes are parallel to the axis of the main drive shaft 10. The take-away rollers 23 are driven by the rollers 22 by means of a chain 35 (Fig. 2), which is driven around a sprocket 36 on the lower roller 22 at the same end and outside the gear wheels 24, and this chain 35 continues to be driven by a (not The chain wheel shown on the nearer removal roller 23 is carried along. The removal rollers 23 are driven at a slightly higher speed than the through-feed rollers 22 in order to keep the textile piece or the textile fabric under tension. Furthermore, as shown in Fig. 1, the lowermost points of the rollers 22 and 23, which are the delivery point of the rollers 22 and the receiving point of the rollers 23, are arranged substantially in the plane of the needle plate 20, so that the work piece F transversely is advanced or advanced flat over the needle plate 20.

The needle mechanism of the machine includes a plurality of push rods 37 which are arranged for reciprocating movements in their longitudinal axis in the crosspiece 4, and which carry at their lower ends a needle bar 38 in which a plurality of needles 39 are arranged, which in

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are arranged at a distance which is the distance between the needle plate fingers 21 corresponds and are offset with respect to this, whereby reciprocating movement of the bumpers 37 pierce the needles 39 through the workpiece P on the needle plate 20 and down between fingers 21 pass through. The bumpers 37 are given a reciprocating motion by connecting rods 40 issued, which are pivotally connected at their lower ends to the upper end of the push rods 37 by pins 41 are, and have brackets 42 at their upper ends which surround eccentrics 43 on the main shaft 10.

A measured amount of yarn Y can be fed to each needle 39 on each cycle of the machine by a yarn feed mechanism which includes a pair of yarn feed rollers 44 supported on axes parallel to the axis of the main shaft 10 in bearings 45 on the upper edges of the side plates 2 and 3 . The rollers 44 are connected for the purpose of common rotation by gears (Pig. 2) which are arranged at their ends outside the side plate 2 and are driven by the main shaft 10 through the speed reduction gear 47 which is located on the upper edge of the side plate 2 behind the adjacent one of the bearings 45 is arranged. The input shaft 48 of the transmission 47 is provided with a sprocket 49 which is connected by a chain 50 to a sprocket 51 on the main shaft 10, while the output shaft

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by a chain 52 with a sprocket 53 on the shaft of the closer roller 44 is connected.

From the delivery side of the yarn feed rollers 44, the yarns Y travel to a swinging yarn carrier 54 and through guides including a guide 55 on the crosspiece 4 of the housing 1 and a guide 56 on the needle bar 38 to the needles J59 each of the yarns Y has a thread opening 58 or an eye, and the rod 57 is arranged by means of bearings 59 on a shaft 60 which is pivotably mounted in bearings 6l in the side plates 2 and j5, and which is oscillated by a link 62 ( 2), which is connected at its upper end to a crank 6j> pivotably and adjustably, which is attached to one end of the shaft 60 outside the side plate 2. The link 62 is connected at its lower end by a bracket 64 to an eccentric 65 on a rotatable gripper shaft 66, which is supported between the side plates 2 and j3 in bearings 67 and underhall ? of the needle plate 20 is arranged on the input side of the machine on an axis parallel to the axis of the main shaft 10. The function of the yarn carrier 54 is to extend the length of the yarn Y between the yarn feed rolls 44 and the guide 55, and moves in this manner, since the rollers 44 limit the amount of yarn that is present in the system, by supplying only a predetermined amount with everyone

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Cycle of twine swing beam 54 twine from needle 59 back when pressed.

Rotational motion is imparted to the shaft 66 through the main shaft IO at a speed equal to half the speed of the main shaft 10. The connection between the shafts 66 and 10 includes a chain 68 which is driven around a sprocket 69 at the end of the main shaft 10 outside the side plate 5 and around a sprocket 70 on the shaft 66 , which is twice the size of the sprocket 69 to a Get ratio of 2: 1.

Provided below the needle plate 20 is a looper mechanism 71 which is referred to as the second looper mechanism as described below, since of the two looper mechanisms it is the second that operates in each one nub-forming work cycle. The gripper mechanism 71 has a gripper rod 72 which is carried by a plurality of rods 75 which are arranged substantially parallel to the needle plate 20 and are loosely arranged in the crosspiece 5 of the housing 1 for the purpose of longitudinal displacement movement. The gripper bar 72 carries a plurality of grippers 74 which are directed towards the feed direction of the workpiece P, ie in the direction of arrow A, and they correspond in number to the number of needles 59. The grippers 74 are at the same distance as the needles 59 but arranged somewhat offset to them, whereby the grippers 74 in the loop-gripping work, respectively

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work with one of the girls 39. The grippers can be operated by eccentrics 75 on the gripper shaft 66 , and these eccentrics 75 are surrounded by brackets J6 which are hinged to the ends of the rods 73 by pivot pins 77. Accordingly, as the shaft 66 rotates, the grippers 74 are given a reciprocating motion in their longitudinal direction, including a forward motion in the loop-gripping movement, during which each of the grippers 74 passes the corresponding needle in a loop-gripping position and thus into a loop of thread Y, which is presented by the needle 39, and they perform a return or a loop throwing motion.

Also arranged below the needle plate 20 is a further gripper mechanism 78, hereinafter referred to as first gripper mechanism is referred to because it works in each working cycle before the gripper mechanism 7I. The gripper mechanism 78 includes a gripper rod 79, which carries a plurality of grippers 80 which are arranged opposite the grippers 74, and like the grippers 74 in FIG Number correspond to the number of needles 39 and in the same Distance like the needles 39 * but slightly offset they are arranged, whereby the gripper 80 each in the sole gripping work on an arc with the Needles 39 work together. The gripper bar 79 is through L * ger 81 arranged on a gripper shaft 82, which in

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Bearings 83 on the side plates 2 and 3 of the housing 1 is pivotally mounted. The gripper shaft 82 is given a swinging motion by the gripper shaft 66 by means of an eccentric 84 on the shaft 66 which is encompassed by a bracket 85 at one end of a control rod 86 which is pivotable and adjustable at its other end by a pivot pin with a slotted crank 88 connected 1äk, which is attached to the gripper shaft 82.

Opposite the needle plate 20 and at a sufficient distance above this plate so that the workpiece P can freely pass between them is an upper stitch support mechanism 89 which comprises a holding plate 90 which has a plurality of stitch carrying fingers 91 which are substantially flat lie on the work piece P and extend in the direction of the advance of the work piece P, and these pingers 91 correspond to the needle plate fingers 21, that is, in the same way as with the fingers 21, the fingers 9I correspond in number to the number of needles 39 and are in same distance from one another as, but offset relative to the needles 39 and arranged so that the needles 39 pierce between them. The plate 90 is arranged for sliding movement on the side of the machine to move the fingers 91 from side to side of the respective needles, and for this purpose the plate 90 is supported by a

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Supported rod 92 which is slidably arranged in the longitudinal direction in the side plates 2 and 2 and has a cam follower part 93 which is fixed at its other end. In order to hold the rod 92 against rotational movement and therefore to move it laterally around the plate 90 and the key support fingers 91, the follower part 93 runs in a two-stage cam groove 95 around a control drum 96 which is arranged on a countershaft 97 which is in a bearing 98 is rotatably mounted on the side plate 3 and a bearing 99 partially shown in FIG. The counter shaft 97 is given a rotary movement by the gripper shaft 66 by a chain 101 which is driven around a sprocket 102 on the shaft 97 and around a corresponding sprocket on the shaft 96 .

In Figs. 3-11, the successive stages of the nub making process are a single one Set of cam-forming instrumentalities, i.e. one of the needles 39 and those working with it Grippers 74 and 90 and the stitch support fingers 9I. The initial Positions of the knob-forming elements at the beginning of the working cycle are shown in FIG. if the needle 39 moves from the position of FIG. 3 in its that Workpiece is moved down through a continuous stroke, which acts as the initial forward movement of the needle in a spring cycle.

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can be drawn, s ± e travels downward between an adjacent pair of stitch support fingers 91, through the work piece P at the "position S1" between an adjacent pair of needle plate fingers 21, causing a loop of the yarn Y through the work piece F. protrudes. After the needle 39 has reached the lower spring of its initial forward movement and begins its return stroke, the looper moves forward to capture the loop presented by the needle 39, as in FIG Pig ·. 4 'is shown, and holds it while the needle 39 continues its return movement, whereby the loop Ll is formed on the lower surface of the workpiece R (Fig. 5). 39 is driven, continues to hold the * "loop Ll until the needle 39 at its trailing edge. '- ^: st'en downward movement the workpiece P at the point. S2 ^ pierces, first following next; end; as V / echs el forward movement. _: . ■■■ the needle in, each cycle is designated, in which. ■ / .., ■ points in time the loop Ll of the needle 39 dar fei et et ,. ^, -.-. _: v; el-che- yourself- in one. "Shi e-capturing position to the Grel- ..-..- ;. fer 8o (Pig .. 6} moves, .-. While the needle 39 is ... except-.r · -; -. · : - "·;'"."; ·. ·. Half of the work piece M ', the work ^ piece _r ; -:"'the .. feed rollers · 23 moved forward so that the Dur.chrij-i » . _;; ^ ellen · of;.?.. Arb; e, itsis1> ./ üekes, l throughput needles 39vb ^ _i; .- her-ef ^ ^ At fangs-; and -the .We. CHSEL-Before yärtsb \, ewegiaig in the _{_;} ^ ^ ö-us ^^ d *] !. "; ^^ _v .Punkte Sl and S2 ,. in _{which:.... direction,.:.} .

1 QO R 2 3/0 3 3 8,.

^ί? ÖAD ORIGINAL

the work piece F has moved. _: are spaced, and there / is a. / GsrnlSnge T bew ^ den ,, - weletoe the • HÜGkstieh B, the sleh-sÄschen the places Bl and .32 at the upper.Mäcne.de ^ Arteeita ^ .. ■ -

. liaehdern die; Hadel · j59 ■ i _n dig S £ & Leife ΙΛ . d © tri-gripper 80. entered y there- the ^ gr & lter -.- '& Qj. the -sliehvdann at -. his ItüßkwErfcshnb Jaefindet ^ BoblBife the Ll ^ {Fig, 7: ^ free ttnd remains viährend _of: restlieOaen member; of:. Irbeltszyklois inactive vein: except Zasamtriemarbelt; _with-: the liadel y ^^ Gleielizeltig is now the..Griff er Jk,; the also: with the tealben -Ge- schwindlgkelt the Hadel J9 angeferietoeia ^ wITd ₉ -TAd si cn to the Hadel during the -start - ^^ wartsbiewegiing der .Kadsel JQ aM & er cooperation with the. Kadel: 3'9 ibe £ and _; , _; sunraehr · v & rbewegt xmü. goes to the: iladel 39 vorBeis; jum-this is to grasp the thread-aid present: after the needle itere. Forward or downward movement has stopped and, at: ge ,, £ has lengths sioJa to above to beKregens to the SöhleiiPe E2 auszuwerißen (Flg "8 ^» © he grippers 7% iiälfe then the & ^mmsmMä.®z: ϊ £. . * _: <Me dursh- die; Sadel 39. Were presented at the ^ fesh ^ sel ^ eij ^ tmg, ^ their liüekvlartsbiewggiang ^ beehdMfe » Mm M, B-zwBi ^ Q ^ i ^ ria ^ oOalelfe ϊ« 2 at the ttetbers: el'te des iÄribeifeäsitisk-es: ^ lfeligw - ■ $$ betw. haiteEt-.. While: 'die Itetdel 39 sich ' ■ mBBimsMi & s Är ^ e'IÄsstlefees F be * v -will that ^: Arbeil / fessijfeik. tB ¹ "iWieaeaMttt TOUbew & gfe» iand; glelGhwi-rd; dsi? e aaiite «^^ - iiie also ml't-dier half- Ge

lgfcej / t der iiaöel ^ f: ^ e ^ iafcitgt ^ wfed ^ ben, so that% wBnn ^ die-iifa ^ eL jt- ^ itöh '^ bel der ■ moviffig d & s ^f rtächsteri AAeitrEiz ^ klL; us: moved near down * · ^; she. 'at the opposite © Beh # @ n _; -Sea ^: fee Se ^ Finger Si ifFlg ,. 10)

^ i: ^ :. Vp-tü 9? I V 3/0 3 3Ä, '- BAD

pastMegt,: so that the loop · 'the' loop out ^; Üarn Y, the '.sich..between- the Buröhstichstelle of the. Work piece ¹ P through the, - Haüel 39 at / the -WVehselbewegung the "'! Rebuke 39" In the one ZyMüs ( ^: d. £ u - the point S2 ) and the puncture point or the beginning © movement of the needle 39- in the "'^; next cycle' | that is, the point S1) extends, 'is placed over the pinger 9!., ., to form on the upper surface of the Arbextsstiickss P -a Sciilelfe LJ Then, the gripper 80 moves forward to the through aie iiadel y ^ dargebijtenveVSßhleife'.zu detect "to hold and, - UCA they Ifädel of ^J9; toei their alternation moves forward in these; - "' Ar bei tszylrlus zubIe ⁴ J ^ Qj whereby this lieisi cior JilOppen production cycle is repeated"! If the work side ^ stüßlr P is moved forward j- the loop-, L ^ of the middle 9I- is moved away, ΐ-η Pig-. 11 If the work piece F at-, the end of the second pimple-forming cycle ...

As ersi-chtlich is, takes the Sweep 1.2 in the SGhlei-fe Ill at the ilnterfläche d: it Arbeltsstückes W and: £ sm is locked in this way, and the yarn Y is contradictory • a pull out. Like in Pig. 12 is shown, must, if the yarn Y is drawn as indicated by arrow 3? is indicated ,, can thus coincide the loop Ll In Anspreclien on this train at play SWEi se by knotting one of .Schleifen LJ ₁ ,, it to one side of the loop 1 / 2'ziehen that äMrch it passes. Because "the loop Ll with the loop L2 at its lower end

BATH

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is engaged,., the cooperation resists a pulling of the; Yarn Y from the,; ·., Piece of work. P. The twine swing carrier 57 works, as a result, to. ensure, that the loop Ll. is pulled tightly around / the loop L2 by going to the. The point in time when the needle.39 i> ^e i of the alternation -forward movement- of each cycle moves downwards, that is, while the needle ^ 9 moves downwards and after they pull the loop L1 from the hook. 80 as shown in FIG. ,,.

Numerous changes to the structure described can be made within the framework of the professional ability. The invention shows only one preferred embodiment based on the principle of the invention explained above.

^iof:; v 3 / η 118

Claims (5)

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