DE910613C - Device on sieves of centrifugal mills - Google Patents

Device on sieves of centrifugal mills

Info

Publication number
DE910613C
DE910613C DEB18092A DEB0018092A DE910613C DE 910613 C DE910613 C DE 910613C DE B18092 A DEB18092 A DE B18092A DE B0018092 A DEB0018092 A DE B0018092A DE 910613 C DE910613 C DE 910613C
Authority
DE
Germany
Prior art keywords
sieves
grinding
centrifugal mills
wires
mills
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEB18092A
Other languages
German (de)
Inventor
Herbert Wendel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
und MUEHLENBAUANSTALT GmbH
Original Assignee
und MUEHLENBAUANSTALT GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by und MUEHLENBAUANSTALT GmbH filed Critical und MUEHLENBAUANSTALT GmbH
Priority to DEB18092A priority Critical patent/DE910613C/en
Application granted granted Critical
Publication of DE910613C publication Critical patent/DE910613C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)

Description

Die Erfindung betrifft eine Vorrichtung an Sieben von Schleudermühlen.The invention relates to a device on sieves of centrifugal mills.

Bei Schleudermühlen werden teilweise sehr dünne Siebbleche verwendet, beispielsweise in einer Stärke von o,5 und 0,75 mm. Solche dünnen Siebe neigen dazu, bei Beaufschlägung von harten Mahlggutteilen sich durchzubiegen bzw. zu zerreißen. Die Blechstärke kann zur Verhinderung dieser Nachteile nicht erhöht werden, da dann die feinen Löcher des Siebes nicht mehr eingestanzt werden können. Es wurde nun gefunden, daß die erwähnte Beschädigung der Siebfläche dadurch weitestgehend verhindert werden kann, daß die Siebe auf der der Beaufschlagung durch Mahlgutteilchen entgegengesetzten Seite durch aufliegende Drähte od. dgl. abgestützt werden.In centrifugal mills, very thin sieve plates are sometimes used, for example 0.5 and 0.75 mm thick. Such thin sieves tend to bend or tear when exposed to hard grist parts. The sheet metal thickness cannot be increased to prevent these disadvantages, since the fine holes in the screen can then no longer be punched. It has now been found that the aforementioned damage to the sieve surface can be largely prevented by supporting the sieves on the side opposite to the impact of grist particles by overlying wires or the like.

Nach einem besonderen Merkmal der Erfindung können die Stützdrähte zusammen mit den Sieben durch die Mahlbacken festgeklemmt werden.According to a special feature of the invention, the support wires be clamped together with the sieves by the grinding jaws.

Die Erfindung ist in der Zeichnung Beispielsweise veranschaulicht.The invention is illustrated in the drawing, for example.

Fig. i veranschaulicht im mittleren Querschnitt einen Rostring mit eingesetzten Sieben und Stützdrähten entsprechend der Erfindung; Fig. 2 zeigt den Rostring nach Fig. z in Seitenansicht; Fig. 3 veranschaulicht im größeren Maßstab den in Fig. i durch gestrichelten Kreis markierten Teil des Rostringes im Schnitt. Der Rostring i ist mit drei Siebteilen 2 versehen: die an ihren Enden durch ihre Mahlbacken 3 gegen die Mahlbackenhalter q. bepreßt werden.Fig. I illustrates a grate ring in the middle cross-section inserted screens and support wires according to the invention; Fig. 2 shows the Grate ring according to FIG. Z in side view; Fig. 3 illustrates on a larger scale the part of the grate ring marked in FIG. i by a dashed circle in section. The grate ring i is provided with three sieve parts 2: those at their ends through theirs Grinding jaws 3 against the grinding jaw holder q. be pressed.

über die äußere Siebfläche sind je drei Stützdrähte 5 gelegt, welche zusammen mit den Siebblechen durch die Teile 3 und 4 festgeklemmt werden. Für die Enden der zweckmäßig aus Stahl bestehenden Drähte 5 sind in dem Mahlbackenhalter4 entsprechende Bohrungen vorgesehen, in die die umgebogenenEnden6 dieserDrähtehineinragen.Over the outer screen surface three support wires 5 are placed, which be clamped together with the sieve plates by parts 3 and 4. For the Ends of the wires 5, which are expediently made of steel, are in the grinding jaw holder 4 corresponding bores are provided into which the bent ends 6 of these wires protrude.

Der Mahlbackenhalter q. ist in üblicher Weise seitlich mit dem Rostring verschraubt, und die Mahlbacke 3 selbst wird durch entsprechende, nicht veranschaulichte Schrauben gegen den Mahlbackenhalter gezogen.The grinding jaw holder q. is in the usual way laterally with the grate ring screwed, and the grinding jaw 3 itself is by corresponding, not illustrated Screws pulled against the grinding jaw holder.

Claims (2)

pATENTA. SPRÜCHE: i. Vorrichtung an Sieben von Schleudermühlen, dadurch gekennzeichnet, daß die Siebe auf der der Beaufschlagung durch Mahlteilchen entgegengesetzten Seite durch aufliegendeDrähte od. dgl. abgestützt werden. PATENTA. PROVERBS: i. Device on sieves of centrifugal mills, thereby characterized in that the sieves on the opposite to the impact by grinding particles Side by overlying wires or the like. 2. Vorrichtung nach Anspruch i, dadurch gekennzeichnet, daß die Stützdrähte zusammen mit den Sieben durch Mahlbacken festgeklemmt werden. Angezogene Druckschriften: Deutsche Patentschriften Nr. 373 952.2. Device according to claim i, characterized in that the support wires together with the sieves by grinding jaws be clamped. Referred publications: German Patent Specifications No. 373 952
DEB18092A 1951-12-08 1951-12-08 Device on sieves of centrifugal mills Expired DE910613C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB18092A DE910613C (en) 1951-12-08 1951-12-08 Device on sieves of centrifugal mills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB18092A DE910613C (en) 1951-12-08 1951-12-08 Device on sieves of centrifugal mills

Publications (1)

Publication Number Publication Date
DE910613C true DE910613C (en) 1954-05-03

Family

ID=6959593

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB18092A Expired DE910613C (en) 1951-12-08 1951-12-08 Device on sieves of centrifugal mills

Country Status (1)

Country Link
DE (1) DE910613C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229823B (en) * 1963-04-26 1966-12-01 Condux Werk Screen basket for shredding machines
US4561980A (en) * 1983-08-08 1985-12-31 R. A. Couche & Associates Pty. Ltd. Screening device
FR2715330A1 (en) * 1994-01-25 1995-07-28 Bonnet Andre Rotary grinder for cereals etc. with air flow product removal
FR2745729A1 (en) * 1996-03-11 1997-09-12 Navarro Carrera Jose Modular hammer mill for grain

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE373952C (en) * 1921-08-20 1923-04-17 Hoffmann & Staeden Eisengiesse Sieve attachment for centrifugal, beater and similar mills, the sieve covering consists of individual, arbitrarily shaped sieve parts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE373952C (en) * 1921-08-20 1923-04-17 Hoffmann & Staeden Eisengiesse Sieve attachment for centrifugal, beater and similar mills, the sieve covering consists of individual, arbitrarily shaped sieve parts

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229823B (en) * 1963-04-26 1966-12-01 Condux Werk Screen basket for shredding machines
US4561980A (en) * 1983-08-08 1985-12-31 R. A. Couche & Associates Pty. Ltd. Screening device
FR2715330A1 (en) * 1994-01-25 1995-07-28 Bonnet Andre Rotary grinder for cereals etc. with air flow product removal
FR2745729A1 (en) * 1996-03-11 1997-09-12 Navarro Carrera Jose Modular hammer mill for grain

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