DE1984142U - STOVE FOR HEAT TREATMENT OVENS. - Google Patents

Description

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Stove for "Wärraebehanälunss =» Oven

The invention relates to a furnace for the handling of workpieces and more precisely ₉ a furnace of the type ₉ laei which a Hera _s üQi is arranged in the furnace, the workpieces ₉ while the latter carries under high tenperaimren and often under bocbgradigeia vacuum be treated"

The present invention is based on the idea of providing shade for a new and improved stove in an oven of the type mentioned above? which su known compared Konstrak = "tionea-stable" and _s is trouble-free in operation, the less easily breaks due thermisclien shocks or deforms under mechanical loads, and the same time lighter economic repair Icann he drop by "" handling of 'fei -crackers should be damaged _o In order to achieve this, the hearth is designed as a series of work-holding rods, "made of material which has good properties of high thermal conductivity but low thermal expansion ₉ so that the expansion ■ - and contraction of the Sttibe is reduced during heating and Abkühlen- New York Convention of the furnace so that apertures ₆ die'sich by taermscisen Schools; result _s to a minimum surüökgefülirt Wsrd ^ nc. Außerdem-, the rod © are constructed of a material which -low ^ th Kriech'sigens'chaf under high temperature besitstj, β sweet verhinderUj "that the Stö;. Be 'sich- ■ ₉ deform when si © mechanically with heavy workpieces, are burdened «.

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In order to avoid sticking between the material of the stove rods and the other material of the work pieces, the. Upper sides of the rods - non-metallic flaps put on to form protective screens over the site and below the rod © and the workpiece® are molecularly connected in the pickled evacuated area of the furnace chamber »The caps like the rods below are removable and can be replaced -ρ around. .to facilitate rapid © UNAE economic repair *, should if a fraction of these parts due to rough handling of the workpieces by-Beäienung-smann üea furnace elntr © th ".

The invention is exemplified below with reference described on the accompanying drawings -

is a cross-sectional eines.-Of ENA _s equipped with one form of Herdea with the -Merkmalen ύ & τ vorlie constricting invention "

Figure 2 is a _{o-vergrößerterρ} fragmentary sectional view taken substantially along the 'line' 2-2 of Kg

is an enlarged. Side view'vo-n which are shown in Figo 1 ο

3? Ige4 is a section shown broken off - essentially along the line 4-4 of slg _{e 2o}

Figo5 is a perspective view of 'one which is shown in' Pig _o 3 '

β is a fragmentary perspective Barstellung - a furnace _s which is equipped with a modified oven ₀

J? Igo7 is a broken side view of the shown in S ¹ Ig ₀ S - H @ räss _P where "break away at ropes - and are shown in section ο ^: -

8 is a fragmentary sectional view taken substantially along line 8-8 he ä yon Pig "7"

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in e'iaem- ¥ akuum heat treatment <= furnace of the type

■ ■ lichtj, welohe 'a hot chamber .. 11 ■ has,., The inside; "

■ a -'with-Y / ands-provided housing is formed, öas- © in © ober® Wanduag 13 - ₉ © ine lower Wasadüng 14 and laterally, at -.- has side walls 15 arranged from one another ", the walls here by 'an outer shell 16 and an inner lining 17 / which are separated from one another by a layer of heat-resistant' material 19. During the treatment, metallic workpieces '2O _3' appear ■ a .bearing H @ rö 21 is set, »■ ata-f -.-: .- high " temperaturesai through (not shown) "electrical".Str'ahlungsheisäer belseiatä) which see -horizontally extend over the chamber »The. Workpieces - 'can be placed in the oven using a conveyor belt or a lifting device' and can either be placed directly on the device - or in 'metallic bowls or baskets' - around an oxidation , the workpieces 'during d @ .r-Beheiisujig .su: veafhommunik.j is the "-'". ' Chamber. 11 usually in front of the !! iron durqh © ine (not- represented «, posed ©). ' Yakuum pump »> App.ai ^o atur" evacuated. _E

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Ss feat siefi has now shown that .by ₉ that one sees the hearth 2t ■■ as a H ^ 'itxe of individual. Rods 23 'of a material having niedrigien Kri © cheigenscha.ften nnä the properties lower, thermal expansion and high thermal conductivity makes $ dVr stove itself, weniger'leicht under heavy mechanical stress and deforms slightly due to wenigex thsrmisch'ga. Shocks breaks _9' which occurs _s when- the furnace 10

nnä - felt w'iräo "

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Claims (1)

I "¥ akuum ~ fäx-mob8hänölungs" = OjTen with e: u:.>. Em with walls flat housing »which forms an ivy kaiitaer and an edition in the named chamber for "to be treated." characterized ₉ that said Au £ layer (21) has a Beihe iron elongated Herdstäbcra (23) of linear material ₉ © wele-hes ■ "high thermal conductivity imcT.geringe tberiaisc.be ': Äii8äeiiaung" besitst Imae waloh @ s in dor 3üagf® iet _{s to} withstand severe mechanical stress under high "Semperaljurbedingungen" and a cap (24) .from-'not-metallic and wärsebe ™ resistant material _a which HVJ & ± e top of each rod is on ge sets t and el ie werkstilGktrage & de surface of the rod (23) "forms * in such a manner 5 that diffusion bonding swisefcea the material of the stable and the material of the workpiece. (20) uater 35ediagtjn £, en holier iempe ^ atui ⁵ and high vacuum prevents vjiscd » ^; "^{; :} ■■■■■ \ ' '■■: .- ■■ 2, furnace iißol'i Jtespruoß \? thereby gekeians®iolmet ₅ that the ■ elongated. Hearth rods (23) should have their ends supported on a Sfehrssahl .yoa pillars (26) -siad _; those of the Bodenwan & img ("j-4 ·) des (Jehä ^ ses -nach ofeeia - "- ' J? F © i < by df © a aiaa ü <s ~ £ Chamber (1-1)! is removable «. middle ö @ n pillars (26 ») and the like ßahäiase® Tertical s ± Nä _v so öaß öi @ pillar
an-geiioTbigia nad be lowered kösanea ₉ wia a ^ natalleiio " Since © aa page go © on the i © O ^ trfläöli® i®s States sn Μ1β @ η _ρ where jsä © Kappt S @ s (24) loose ia leagsaiaten (25) ia (23) = 11- Of © a aseli β. ι © Bolle a ia ÜQU ! said Buten (25) sitseja. " äi® las® Material tested « U-shaped blocks sizid. iie aae! i below over the © "said bars (23 «Sat awishea said 'rods (23 ^s ) and the said Klssea (45) 23 ⁵ ). ßr al it -12- 12o Of © a after Asaspiraels 2 or one flaB oils' said pillar (2β) au® teafit böstetea « 13o ovens according to claim 12 _p that ffb ©! ¹ the b © says®n pillar of isolieitaöem material gescliobea