DE801560C - Fine kneading pump - Google Patents
Fine kneading pumpInfo
- Publication number
- DE801560C DE801560C DEP34771A DEP0034771A DE801560C DE 801560 C DE801560 C DE 801560C DE P34771 A DEP34771 A DE P34771A DE P0034771 A DEP0034771 A DE P0034771A DE 801560 C DE801560 C DE 801560C
- Authority
- DE
- Germany
- Prior art keywords
- pump
- fine kneading
- kneading pump
- fine
- conveyed
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
- B29B7/483—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs the other mixing parts being discs perpendicular to the screw axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
Description
Es sind bereits Knetpumpen bekanntgeworden, ihtllicil Schraubenpunpen, bei welchen das Fördergut von der Hauptspindel mit abnehmendem Gangvolumen durch die Gewindeflanken in die NebensI'indel mit zunehmendem Gangvolumen gepreßt wurde (s. Patentschrift 682 787). Kneading pumps have already become known, ihtllicil screw pumps, in which the material to be conveyed by the main spindle with decreasing aisle volume the thread flanks were pressed into the secondary spindle with increasing thread volume (see patent 682,787).
Da es praktisch nicht möglich ist, das Gangvoiurnen bis auf den Wert Null zu verringern, so ergab sich bei diesen Knetpumpen der Nachteil einer stoßweisen Förderung. Außerdem erwiesen sich die zahntechnisch notwendigen Flankenspiele für manche Fälle als zu groß. Since it is not practically possible, the gang voiurnen up to the value To reduce zero, these kneading pumps had the disadvantage of being intermittent Advancement. In addition, the backlash that is necessary for dental technology has proven to be some cases as too big.
Beide Nachteile werden durch vorliegende Erfindung beseitigt. Hiernach wird das Fördergut zunächst durch eine Pumpe bekannter Bauart, z. B. eine Schraubenpumpe, auf Druck gebracht und wird dann von abgeschlossenen Druckraum einer l-lau;>tspindel mit planparallelen Kämmen in den Raum einer mit ihr kämmenden Nebenspindel gedrückt. Damit ergibt sich eine vollkommen gleichmäßige Förderung durch beliebig enge Spalte und außerdem werden evtl. im Fördergut vorhandene körnige Bestandteile zermahlen. Both disadvantages are eliminated by the present invention. After that the material to be conveyed is first carried out by a pump of a known type, e.g. B. a screw pump, brought to pressure and is then from the closed pressure chamber of a lau;> tspindel pressed with plane-parallel combs into the space of an auxiliary spindle that meshes with it. This results in a completely uniform conveyance through any narrow gap and in addition, any granular components that may be present in the conveyed material are ground up.
In Fig. I ist ein Längsschnitt durch die Feinknetpumpe und in Fig. 2 ein Querschnitt durch diese dargestellt. Das Fördergut tritt in den Saugraum a ein und wird von der Hauptspindel b und der Nebenspindel c der Schraubenpumpe in den abgeschlossenen Druckraum d der Hauptspindel e der Feinknetpumpe gefördert. Von hier aus wird es durch die axialen und radialen Spalte der Gewindekämme in den Raum f der Nebenspindel g gefördert, von wo es ins Freie tritt oder unter Druck weitergeführt wird. In Fig. I is a longitudinal section through the fine kneading pump and in Fig. 2 shows a cross section through this. The conveyed material enters the suction chamber a a and is driven by the main spindle b and the sub spindle c of the screw pump in promoted the closed pressure chamber d of the main spindle e of the fine kneading pump. From here it is through the axial and radial gaps of the thread crests into the Space f of the secondary spindle g promoted, from where it emerges into the open or under pressure is continued.
Durch eineAusgleichleitungh können die Spindeln mit Hilfe des Fördergutes vom -Äxialschul) entlastet werden. The spindles can be adjusted with the aid of the conveyed material through an equalization line from the -Äxialschul) are relieved.
Durch ein Regelorgan i vor der Feinknetpumpe mit Rücklauf zum Saugraum kann der Druck vor derselben und damit die Fördermenge geändert werden. Ferner wird damit eine Vormischung des Fördergutes erreicht. By a control element i in front of the fine kneading pump with return to the suction chamber the pressure before the same and thus the flow rate can be changed. Furthermore, so that a premixing of the conveyed material is achieved.
Durch ein- oder beidseitig angebrachte Stellstiicke k kann der Radialspalt und damit Qualität und Fördermenge verändert werden. The radial gap can be opened by adjusting pieces k attached on one or both sides and thus quality and delivery rate are changed.
Durch eine schwach konische Ausfiihrung der 1 ndkämme 1, m, der Knetpumpe oder sämtlicher Kämme kann ein gegenseitiger Axialschub zwischen den Spindeln aufgenommen werden. Through a slightly conical design of the 1 nd combs 1, m, of the kneading pump or a mutual axial thrust between the spindles can be absorbed by all of the combs will.
PATENTANSPROCE: 1. Feinknetpumpe, gekennzeichnet durch zwei oder mehrere planparallel dicht ineinander kämmende Spindeln (e, g), die in getrennten Räumen (d,f) laufen und nur durch ihre axialen und radialenSpalte in Verbindung stehen, durch welche mit Hilfe einer Pumpe, z. B. einer Schraubenpumpe (h, c). das zu knetende Fördergut gepreßt wird. PATENTANSPROCE: 1. Fine kneading pump, identified by two or several spindles (e, g) meshing closely with one another plane-parallel and in separate Spaces (d, f) run and only communicate through their axial and radial gaps stand through which with the help of a pump, e.g. B. a screw pump (h, c). the to be kneaded conveyed is pressed.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP34771A DE801560C (en) | 1949-02-22 | 1949-02-22 | Fine kneading pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP34771A DE801560C (en) | 1949-02-22 | 1949-02-22 | Fine kneading pump |
Publications (1)
Publication Number | Publication Date |
---|---|
DE801560C true DE801560C (en) | 1951-01-11 |
Family
ID=7373882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP34771A Expired DE801560C (en) | 1949-02-22 | 1949-02-22 | Fine kneading pump |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE801560C (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3093300A (en) * | 1961-01-31 | 1963-06-11 | Ingersoll Rand Co | Axial flow compressor |
DE1201686B (en) * | 1957-02-28 | 1965-09-23 | Fritz Prinz | Screw pump with two screws and axial thrust compensation |
US4580953A (en) * | 1983-07-20 | 1986-04-08 | Imo Aktiebolag | Screw pump including a fluid bypass regulating device |
DE3540550C1 (en) * | 1985-11-15 | 1987-05-14 | Weber & Seelaender | Appliance for refining a paste-like composition, especially a soap |
US4855960A (en) * | 1982-04-30 | 1989-08-08 | Janssen Wilhelmus G E | Process and apparatus for the preparation of mortars |
DE3820320A1 (en) * | 1988-06-15 | 1989-12-21 | Krauss Maffei Ag | DOUBLE SCREW EXTRUDER |
DE102009019220A1 (en) * | 2009-04-30 | 2010-11-11 | Leistritz Ag | Screw Pump |
-
1949
- 1949-02-22 DE DEP34771A patent/DE801560C/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201686B (en) * | 1957-02-28 | 1965-09-23 | Fritz Prinz | Screw pump with two screws and axial thrust compensation |
US3093300A (en) * | 1961-01-31 | 1963-06-11 | Ingersoll Rand Co | Axial flow compressor |
US4855960A (en) * | 1982-04-30 | 1989-08-08 | Janssen Wilhelmus G E | Process and apparatus for the preparation of mortars |
US4580953A (en) * | 1983-07-20 | 1986-04-08 | Imo Aktiebolag | Screw pump including a fluid bypass regulating device |
DE3540550C1 (en) * | 1985-11-15 | 1987-05-14 | Weber & Seelaender | Appliance for refining a paste-like composition, especially a soap |
DE3820320A1 (en) * | 1988-06-15 | 1989-12-21 | Krauss Maffei Ag | DOUBLE SCREW EXTRUDER |
US5000900A (en) * | 1988-06-15 | 1991-03-19 | Krauss-Maffei A.G. | Twin screw extruder |
DE102009019220A1 (en) * | 2009-04-30 | 2010-11-11 | Leistritz Ag | Screw Pump |
DE102009019220B4 (en) * | 2009-04-30 | 2013-04-11 | Leistritz Pumpen Gmbh | Screw Pump |
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