DE2045855A1 - Cutting device for velvet looms - Google Patents

Description

ocutting device for oamt looms

-Uie invention relates to a cutting device for daiativehaschinen, in the one with a kesser, which can be moved laterally A slide is provided for cutting through the roller threads is that the two of them on the office loom at the same time connect fabricated fabric "

Jas Nesser the .bchne id device operates in a vertical xüchtung seen in mid-height between the two superposed üeweben _o

Jiine Jchneidvorrichtung uieser .irt hiuiS across the width of the two üewebe work _o Jie's leading au complicated training, in particular to a high of ilatzbedarf ^ ο intriebsiaechaniamus

-i-ufgaDö uer Jirfirifiung is aarin to ^{create a simplified i'ontti v} .'Ktion of a solenen .--. chneiciVorricntung whose drive; /eni.j -latz Dean ^ j-rucht.

_BADOfflG1NAL

e object of the invention is achieved in that
cuts pull rope ues,; c: iibtens z ^ ei opposite each other
Pulley blocks pass through, animals movable oeilrolleri arehbar an e ine ig horizontally nin- una her movable ^ drive organ _f ; esind.

Preferably, the cutting device is ·; designed in such a way that the drive organ that carries the movable ο pulleys
is supported by a ürehbar mounted on a rotating ocheibe crank arm having a length equal to the distance between its rotation axis and the rotation axis is the ocheibe, and ψ as "3 medium are to be provided, through which the iuirbelarni on the
The disk is rotated opposite to the direction of rotation at a speed that is twice as large as that of the
disk β

Another feature of the invention consists in the fact that the crank arm is wedged on a rope on which a sprocket sits, which is connected via a chain
with a fixed sprocket, the diameter of which is twice as large as that of the sprocket and which is concentric to the
axis of rotation of the disc is arranged.

Finally, another feature of the invention is to be seen in the fact that the oil slide is mounted so that it can move back and forth in a guide rail, and that a support body for the cutter of the cutting device is attached to the oil slide,
which has a longitudinal groove for the Jeil, which can be clamped in the longitudinal groove.

The drawing illustrates a -οίε guide to is;:, ie I der λγι'inuung. .show it:

i'ig. 1 is a front view of an oamtloom
with a hole cutting device according to FIG

Ί 0 9 8 4 7/1 0 L 3

>; BATH ORIGINAL

iirfinctune;, where only the understanding for α a « the healing required of the invention are shown;

Jjig. 2 a plan view, to! Ig "1;

i'igo 3 a horizontal cut aurcl: a

Part of the imtriebo aer no device;

ü'ig. 4 a front view of i'ig y \

Jig. 5 a medium cut through the outside i: iit aer ^ Hihrungs rail;

χ ¹ 'ig. 6 shows a perspective view of the tens with associated files in a from one another;

χ · ig. 7 shows a perspective view

tons nit- aen on around fortified rushes;

Jj'if :. ö to ^Λ Λ .

schematic box for explanation the working method aes -aitrietG.

^ UG j- · ir. Ί and 2 can be seen, oa ^ cn a lower cross member 2 of the frame of the -ebiueschine a housing 1 be-.fefa-jirt itri, aas a bevel gears ;; contains i.-ig _o y) "^ he two bevel gears are each attached to a. -i.uf ueia ueuieren -ende aer. ^ uerwelie 4, i.e. before the input shaft, sits a jacket! sprocket o, which is operationally connected via a chain 7 kit of any. iJiese, hurry i l .: "_ in-1._ · _ο ^ at; .s j ^.::.. i; s uer

BATH ORIGINAL

Clarity of the drawing not shown. Only a "Jin steering wheel 8 is shown for a part of the reserve 7, which is mounted in a bracket 9 attached to the housing 1. The longitudinal shaft 5, ie the output shaft, protrudes from the housing 1 onto the , based vebmaschine out forwards and carries a keyed ocheibe 1o _E on the front side of the disc-1o is eccentrically disposed a iwuffe 1oa in which a vjelle 11 is mounted. .on the projecting rearwardly from the bclieibe 1o Lnde the, "rush J1 A sprocket 12 is attached, which is connected in a ^{geared manner via a chain 15, see also x} 'Fig. 4, to a sprocket 14 which is attached concentrically to the shaft 5 in a fixed position on the front of the housing 1. i) he The diameter of this Lettenrad 14 · is twice as large as that of the chain wheel 12 "on the front end of the shaft 11 is a crank arm 15 with crank pin 16 keyed in the effective length of the crank arm 15" that is, the distance between the shaft 11 and the crank pin 16 is equal to the crank radius of the shaft 11 on the ocheibe 1o, d _e h _o is equal to the center distance between the '.'"Rush 5 and 11, on the crankpin 16 is a sleeve mounted 17 rotatably, on which a double-armed lever 18 is attached. Each liide of this double-armed lever 18 carries an axle 19 or 19'j on which three idler pulleys 2o, 21 and 22 or 2ο ¹ , 21 'and 22' are mounted.

On the frame of the weaving machine, a guide rail 23 (! '' Ig. 1 and 5) is attached above the carrier 2, ax above a comparatively wide out 2Ja with a flat surface on the v / eist, this hat 23a aient as -ü'üiirunr ; for a slide 24. On the edges of the ^ ut 2 ^> a strips 25 are provided, uie are fastened to the guide rail 23 by means of screws 26 and protrude somewhat towards the line 23a, so that the ochlitten 24 is held in the groove 23a, Each carriage 24 has a ground plan along a long rectangle,.; ie eus i ¹ ig. 6 and 7 is ersiclitiicii. Four screws 27 are pushed through the ochlitten 24, which are rare at the top and through a support body

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_ 5 -

28 as well as through one of two side plates 29 each ο By means of cutter 3o the parts mentioned are held together firmly «

The solid support body 28 has essentially the same plan as the / carriage 24, but it has a lateral plate-shaped projection 28a which protrudes backwards in relation to the loom. This projection 28a contains a shallow groove 28b of shallow depth into which "used cutting blade 31 is to the bean idmesser 31 is fixed in the groove 28b by a iialteplatte .32, which is fixed by means of two screws 33 on the support body 28 between the 'already-mentioned two plates 29 _e includes the supporting body 28 closing lent still a narrow Longitudinal groove 28c into which an oil 34 is inserted, which serves to move the carriage 24 with the support body 28. Each plate 29 is provided on its underside with a longitudinal rib 29a which engages in the longitudinal groove 28c and clamps the cable 34 in the longitudinal groove 28c.

The already mentioned screws 27 with nuts 3o and 3 are used to fasten the two plates 29 on the support body 28 two additional screws 35

By exerting a tensile force on the cleil 34 in one direction or the other, the carriage 24 is pushed back and forth on the guide rail 23, with the lesser 31 also being moved over the entire width of the loom. This knife 31 is directed to the rear of the loom and the arrangement is made so that it is seen in the vertical direction at half the height between the two superimposed fabrics ü.1 and. ₄ 2 lie ^ t, which are woven on the loom at the same time, so that the lolf & den B connecting the two fabrics are cut through,

ijaa oeil ;; Λ ltuift about üecha rieilrolle 2o, 21,22 and '. The dividing end is at 0 (ü'ig · 2) on one side

22nd

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attached to the frame of the i / eb machine. It runs from here Rope 34 around the pulley 2o, from which it turned 18o arrives at a rope pulley 36, which is mounted idle on an axle which is attached to the cross member 2 by one Console 37 is worn. Bas beil 34- then runs again back and around the pulley 21, from where it is led to another pulley 38, which is also on the axis of the pulley 36 is stored idle. Now the oeil 34 returns back again and wraps around the pulley 22, from which it runs to a sheave 39 carried by a bracket 4o which is provided at the left end of the cross member 2 is. .The beil 34- now runs upwards and is by means of a Rope pulley 41 is deflected again in the horizontal direction, which is mounted in a holder 42 below the guide rail 23. Finally, the rope 34 runs around a pulley 43 through which it above the IHihruqgs rail 23 in the horizontal .Direction is guided to the slide 24

From the carriage 24, the rope 34 runs through a path, which is symmetrical to the one described. A description of this further route is therefore not necessary. The corresponding Pulleys are available with 43 ', 45', 39 '»36' and 38 'resp. 22 ·, 21 'and 2o'. *

The way it works is as follows. In the position of the crank pin 16 of the crank arm 15 according to FIGS. 3 and 4 is located this opposite the disk 1o on a circular path that also passes through the axis of the disk 1o (the distance between the Y <elle 11 and the crank pin 16 is equal to ■ Distance between ^ eIIe 5 and wave 11). As a result of the relative -Dimensions of the sprockets 12 and 14, this rotates Circular path still around itself, as if it were rolling inside on a fixed circular path with a diameter, which is twice as large as the distance between wave 5 and waves, so there is a well-known hypercycloidy

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Movement in front of each point of the rolling circular path himself in one hardly according to a Jurchmeaser the firm Moves circular path.

It can thus be seen that by means of a suitable wedging of the crank arm 15 on the v / _e lle 11 it can be achieved that the lurb pin 16 moves on a horizontal line, as shown in FIGS. 8-11 is illustrated. Midi der Nebel 18 therefore moves together with the pulleys it carries on this horizontal plane »

On the other hand, the shear rollers 2o, 21,22 together with the fixed sheaves 36,38 and 39 form a triple block and tackle. The same applies to the pulleys on the other side des üebels 18 "Yes, every Hollenzug in the well-known." linear movement of the part in relation to that of the movable roller doubled, the result is that the linear displacement amplitude of the rope 34 - along the guide rail 25 is six times is as great as the displacement of the crank pin 16 Jer das better 31 carrying carriage 24- can therefore by means of a washer 1o of small dimensions over the punching width of the ./ebachine be pulled back and forth.

During this back and forth movement of the ochlette 24, the outer 31 cuts the pile threads B (i'ig. 5) which connect the two primary fabrics Λ.Λ and λ2.

the invention can therefore make a weaving machine easier Type to be created in which the ochneidvorrichtung

only
or you drive ^ / occupy a limited space and still an absolutely perfect mode of action is guaranteed. In certain cases the sledge of the χesser can be guided in a swallowtail guide «

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Claims (7)

Claims 1. Cutting device for velvet looms, in which a cross-displaceable slide provided with a knife is provided for cutting through the pile threads which connect the two fabrics produced at the same time on the ribbon loom, characterized in that the pull rope (34) of the slide (24) has two opposing pulley blocks (2o, 21,22; 37,38,39 or 20 ', 21', 22 ¹ J 37 ', 38', 39 ') runs through whose movable pulleys (2o, 21,22 and 2o' , 21 ', 22') are rotatably mounted on a drive member (18) which can be moved horizontally to and fro, 2. tendon! ^ Device according to claim 1, characterized it is indicated that the drive element (18) carrying the movable auxiliary rollers (2o, 21,22 or 2o ·, 21 ·, 22 «) is carried by a crank arm (15) rotatably mounted on a rotating disc (1o), the length of which is equal to the distance between its axis of rotation and the axis of rotation of the disc (io), and that means (12,13,14) are provided, by which the crank arm (15) is opposed to the disc (io) to the direction of rotation of the same is rotated at a speed that is twice as large as that of the disc (1o) 3. Cutting device according to claim 2, characterized in that the crank arm (15) on one «» Is keyed (11) on which a sprocket (12) sits, which via a chain (13) in gear connection with a fixed sprocket (14), the diameter of which is twice as large as that of the sprocket (12) and concentric to the The axis of rotation of the disc (io) is arranged » 4. Cutting device according to claim 1, characterized in that the carriage (24) is in one 109847/1043 i'guide rail (23) is mounted so as to be movable to and fro, and that a support body (28) for the knife (31) of the cutting device is attached to the carriage (24), the one Has longitudinal groove (28a) for the attachment (34-) which can be clamped in the longitudinal groove (28c). 5 o cutting device according to claim 4, characterized characterized in that the knife (31) on the middle part of the support body (28) is fastened by means of a retaining plate (32), while the cable (34) is in the longitudinal groove (28c) is clamped by means of two side plates (29), which on one and the other S'eite of the middle holding ' plate (32) are arranged and on their underside with each a longitudinal rib (29a) acting on the rope (31) is provided, 6. b'chneidvorrichtung ngch ünspruch 4, thereby gekennze ichnet that the support body (2s) has a lateral, relative to the loom, protruding to the rear Has projection (28a) on which the kesser (31) rests. 7. Cutting device according to one of claims 4 to 6, characterized in that the wire (31) is inserted into a hat (28b) of shallow depth, which on the top of the support body (28) is incorporated, while the longitudinal groove (28c) for the attachment (34) has a greater depth, so that it cuts the hat (28b) for the kesser (31) without affecting the attachment of the knife (31) » 109847/104 AO Blank page