DE1934428U - BUTTONHOLE SEWING MACHINE. - Google Patents

Description

Button1 ochnähmas chin ©

The innovation is based on a © sykliseh working buttonhole sewing machine with a buttonhole cutting device, ednsr Faiio & iibea *

and a pneumatic »;

at the Bi1s@0l3.altest des * föaseliiae- und- auf; Ventilation -..'- ^; the Iferücstilckklantiiier '· Si © aims _t prevent au that in 3alc t proper execution of the K & opfloehnaht "caused duroh © iiiea -during the · Mähperiode the cycle edngetreteiiesi yarn breakage ■ the Knopfi-och cut and -ύ ± & W $ rkstüukklämmer aired, is * Accordingly-has the innovation. di © task © set up a device «. the case of a yarn breakage on the control means .the ICaopflochechneidvorr'ich.tung'und- DER ¥ orkpiece clip so-einwirke "that a knife blow una that! are" üften .the Werkstückklammer'verhindert. ". '

Löstaag provides that with eiasa by the thread monitoring device. -f & stges tell tea thread breakage '"d« r- electric circuit for the - \ Druekluf'tl ^ itung of the servo provision lying Mshrtfege-Ma ^ ietveatil closed / dxvecU' whose.-actuation the compressed air supply ^: au © ine © die i / Erkstückklammer - be-l termination of the cycle. lÜft ^ tdNtn'.Drttc-kltiftmötor shut off xma die- 'air supply sä & ± ti & m den .. Mösseröinsd-iilagii «bel'

T2.-2-79

date

10.1 * 6

• Surname

69034641000 Wd 6009

ΛΙϋ ;; Λ:

disengaging or blocking, 'DruekIu: fti! j0i.or' is released »Hereby: verb! eib-t -that. - '.-' .. '.' Workpiece at the end of the cycle in-der .riehti (5 <ä | i ⁰ : position in the machine that 'ΕϋορΓΧόόη can;.:; · ■ naca elimination ^{1 of} the disturbance', d »!!» »naeij ,; '·, ·' Eliminate the thread brtactis ,, on the-g-: corpses. S; all are sewn again» pie Ha, BnpXm &'άβ&.;'': - ■' ---- -; "- Verliijaderuiigdes Messereiaectiläg © - &ntt'aiXt _t ': - "'"':'; _ when the buttonhole., Already- au, start dee:."; - ..- work cycle »also iror desa MSaen ^ ige & citeiftea - '" will, ■" .. ""'. ■ '.'.: ■ - .-- ν. '. .-, - ". ■■■ ...

An example of implementation of the finding.

explained?

in

Fifi .. * .1

shows one resting on a 'frame' Button lochnälisiiascnine - in

the wiring diagram for the intended '"^;:'; Pneumatics and Dlectonics *."'-' ■■ '■' .-- - '

The button: flo <chnähmasuhine- ^: -1 rests : && £ '' - the plate 2 of a NafemaaAiliineAgesteltes; ; 3 «Bs is tnm -eisie cyclical working.e:" -, - sewing nose "- the one with a
equipment; is * 7 -the iiaeh 'turn on-masehine an i

controls _f - irj'äMre, Qd «to which the Kaöpfloölt belongs. ima'- _L Geseimitt © ». will.-. Di © Näiimascliiüe is smr V-; S operating magnets ^ ieiöftteirwsg / with e ± ji © i *
matik- equipped / the three
4 ₈ 5 usad 6

ztun Activate · © », dtös" Eiiis-ckaJ-tiiöbea.s iuftmotor -5 stäm -JMtt & tt «iea? • and ö © 3? - Pi'ticlsitsi'tmotör ö 'lever. a4
9 «.

S ^:

elaea

xm w®0 @ ntli.: ch && ame. © iaem-

operated pulse generator 10 and one. 11 ordered-. ". ' -. ■

Dem. ÜFixtikluttmotof-k ' aüffl Activate »,, des-

lever's' 7 "is © in no5? aalei»% i © ise .gas © hi, q &. &<?&&&
Valve tÄ worgieswitches xmü a & m- 'ii
for the © WerkstUeldclaffiaiesrluftiaai ^ a.

wise -opened feature .13. _: B ^ ide VeittXl # "; iS ---.'-"; and -13- sifid durck- Wockea I ^ baäw, 15 "ste.iie3c * bar ■». di © - & te £ eiaer gerneiiatsainen - ¥ elle t6
are., di © "ito" © 3 * side..over © iaaa lever, 1 f
; eiii awsi-part linkage IS by means of a & ä ± m _:
■ Frame 3-bearing »Pedals 19 ^V stufeiiwsl-ae:":
gedr.eiit - Werdea. "kaxixii ,, 'Besides de-ia- sisid dem
motoresa ,: '4HiUd ^ S edible Dx-cfSseltröÄtile "SD or« 21 Wrges-ciialtet ,, "durek die di ©

the -K & lben-. 4 * bs'et «; ; 5 '

. ν few

can be. Another normally open valve 22 is controlled by a machine part, preferably van der Steuerkurvensohe.jb & t. $ u Start of cycle closed and remains

closed until the end © of the cycle * ■ ■;

In the compressed air line to the Druekltiftsttötoreäi.

5 and 6, a solenoid valve 23 is also provided, which establishes the connection to the compressed air motor 5 in the spa-free state. In this state, therefore, the air open valves presses via ά ± & in the unactuated state 13 and 22 the piston 5 ^f of the Druckimf tinotors ■ - 5_ down, whereby the workpiece clamp xjird held a raised position against the force acting on their spring force Iu .8 _a the air access' zn DEAA air motor 4 on the other hand by which © closed in the inactivated state "valve interrupted 12th.

When the pedal 19 is _{depressed by a partial amount (} i ^ ird via the cam shaft 16, the valve 13 is actuated by means of the cam 15, i.e. closed and thus the air supply from the compressed air motor 5 is shut off, which is vented * As a result, under the pressure of the spring force on it, the piece clamp is ^: -; lowered onto the fabric support plate of the sewing machine

■■ ■■■ # ¥ «ν:

of the cam 14 actuated, ie »h« ,, ge & ffKuaty so that the Druekluftmotor 4 ventilated, What the control lever 7 of the machine to © is active « By actuating the switch-on lever "7 in 'the well-known ¥ © ise of the drive belt "Vöä- des? Loose disk on die'-Feetsoheibe- -ges'cIiobiSM * ■ _ "

In the Asilaufea the ϊίΜα ^ 1ύα1αη. £ & Μ & Β® $. ± η. @ Becomes "-.". "., the valve 22, as already mentioned, t" vermiijtöis a ztratto-common-by the machine / sealed-part closed * wodtircli ve-rhündert! wijed _t . ' _y .

that the Drtiiclclixftmotör 5 »AOII Freigatja ^to: - .; .: Pedals 19 while the Kähmassshisi © / - is ventilated "-Erst ttnioitt.e-l'bax '* ^ or; of the cycle is the-'valve 2'2 again- and thus the air supply' sum ^ Druokltif-tBiotor 5 ^; -for the ventilation: the Werkstüo & k-Xawraer "8.

Now occurs during the course of the; Fadeab.ru.ch "on * so the Maga © tirejati.l. By means of the .öocä Su explanatory; switch 111 voltage« wödurcls. Dl ©. VerbiÄduagder pressurized air lei tuug .s «pressurized air supply"'5' Vv ^/: locked und statjfcdes # © a eia © Verbiadmag: -zu, "- 'de © Pneumatic motor ρ manufactured piston rod 6 * d © ¹ ^ Pneumatic isolators" den Höbe! 2 &>, in eiae "Stellüiagi," i

blocks »-so that the"" P on the Äad ^ a d-e_s cycle.

Marne

■■■■■ · ■ ^-:; - ■ · ■■ '} Γ? // ■ ;; - '.: Jj - ■■ '■! - - ■ '' υ-. '"£ ■ a' I" I '-' * "I ■■ - ■■■ ;. ■ ■■ - ■ ..-. -. .ι - ■ -. ■ i ■■■,: ■■ ^: ■ '--'-' ■ "1

is not pressed «That is not in accordance with the rules"". ■ sewn buttonhole% tf is not cut open © tv and since the compressed air motor 5-for the workpiece-:. "The chamber ventilation is not ventilated - the workpiece clamp 8 also remains in the lowered position. _: .. \ while depressing the pedal 19 zuv - -. ' Actuation "of valves 13 and 12 © ± n with # θπϊ ■ · ■ '".''-Is SchaltKöitiak-t opened 25 »Dtircli open the, the switch''pedal 19 in ¥ irk" varbindung standing.''... ■ contact is .25 fällt- one Reliais- 26. "wodtiröh the solenoid valve 23 spanming-SLOS is wad ^'DIE: again, tempering "passes air to the dew according ier closed valve 22nd

The pulse generator 10 of the

_{Direction consists of a collector r} connected to the wheel of a rotating thread tension, which is alternately current-permeable and current-impermeable through the Padenb.e '&excitation' V * "Dui? Gh. and ssugsteueirt- "■ and it occurs ■ swisciien the capacitor 3 ^ and the diode 32 bsx-; _e 33, both negative and. also positive impulse voltages on '«. On the bioDA;. '52', the capacitor 3 ^ -positive a "© a .fgelad _e 'The parallel with the capacitor 3 ^ lying" Zener diode 35 limits this voltage to a value getyümschte £ s "can by means of a Binstellreglers j6 : the

■?

Dp turn, 10,400%

, Surname

bW

Entladoseit of the capacitor 34 will be bostimini. If after a thread break the XmpuJLso from ₉ so b ££ n®b a transistor 37 »wen:» the capacitor 34 discharges © »1st»

A scliaitkontakii 38 is geiialteft by "eijiea mascsiiinsateii" during the work cycle, and at the end of the cycle, again most likely distorted ηωι a thread break "so becomes" - the ■ ". ^: ■■ Τχψίη & ί. & $ Ρ & 37 current-carrying wad eia tone xhta controlled relay 39 closes the momentary contact kOo Via the © contacts- $ 0, - 38 and 25 the relay 2ö is activated, -welclies the contacts ht . and h2 BCh.l ± 0ßt t this-Ztis t ^ jad. also remains; ¹ then noela, receive "wöoq -If the cycle is ended, contact 58 is opened again, - since its contact 41 of relay 26 works as a self-cold contact, via contact 42: -st-eiit in Fadaabrucii there is a tension to the Y & p £ ügvm & _r · -di® in the prevailing case by actuating the - -

date

Surname

Claims (1)

Cyclically working K & opfXoehää & t & aeehixte ffiit an ICnop ^ IöclasclisaöidirorE'iölituiig, Ρ «Um} eiste ζ * at Eittess-Durcli "oils (10,11) determined Pädeabsrtioii d-βϊ * for eim itt der Daruofclurtleitiuftg of SeTVov-or ·· ϊΊοίιΐϊίΜΐ® lie ^ eades - Meffarwege-Magaet-vssatil (2-3) 'gasölalos & ΒΆ wis-d ,. d, ui * cli. dsssea B © makes ^: the DtTiiikluftsafuliS · zn a die Werks ttieklclaBuaet » (S) at Bs ^ wäLigoxig d © & cycle Ittfteadea- " ^: '."Druekliaf'tiaotor (5) ab © sp © i? Rt «Ad die au © iiiem- ctea M © ss @ a? 'E ± msclilagk0bel or bloekiereäd ©» DrU'ökluf ^r t, motoi' (6) free »"' Hlnw * St: K : Kess underground (Bgschrelbannj. ColHtewop »dfe tula» a from Date 10 * 1 " Surname