SU498165A1 - Continuous plunger for plastics - Google Patents
Continuous plunger for plasticsInfo
- Publication number
- SU498165A1 SU498165A1 SU1886067A SU1886067A SU498165A1 SU 498165 A1 SU498165 A1 SU 498165A1 SU 1886067 A SU1886067 A SU 1886067A SU 1886067 A SU1886067 A SU 1886067A SU 498165 A1 SU498165 A1 SU 498165A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- screw
- channel
- zone
- continuous
- eccentricity
- Prior art date
Links
Classifications
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
В soiiax загрузки п выдавливагм сердечник вынолие.ч оОычиым без эксиеьтриситета.In the soiiax boot n extruded core vyolnie.ch oychyim without exclusion.
Черв чный смеситель работает следующа образом.The screw mixer works as follows.
Витки мерз ка в зоне загрузки забираю;материал . nocTynaidiunu из загрузочной воронки 2, ii подают его к зопе смешени п. дву.м (з лапиом сл}чае) KauBvTaM / н // (сх. фиг. 4,1. Начина с линии аЬ, глубина / у.меньшаетс от максимальиого значени до ми1;;1.маль;1ого, которому соответствует л::ни cd.Coils froze ka in the loading area pick up; material. nocTynaidiunu from the hopper 2, ii serves it to the mixing chamber of the double m values up to mi ;; 1. small; 1, which corresponds to l :: nor cd.
Вследствие у.меньшени глубины канала, а следовательно и его объема, материал перете .кает из канала / через срезанный участох витка ас в увеличивающийс по глубине часто .:-: канала //.Due to the decrease in the depth of the channel and, consequently, its volume, the material flows from the channel (through the cut section of the coil ac to the depth increasing often).
Часть материала продолжает движение по каналу /, проход через минимальное его сечение (лини cd). В это врем материал, движущийс из зоны загрузки по каналу //, вследствие уменьшгн1: глубины канала, нг:чинающегос с линии de, перетекает через срезанный участок витка dj в увеличивающийс по глубине участок канала /, где смешиваетс с частью материала, поступгвшего через сечен; е cd из уменьшающегос по глуб.не участка канала /.Part of the material continues to move along the channel /, the passage through its minimum section (line cd). At this time, the material moving from the loading zone through the channel // due to decreasing hf1: depth of the channel, ng: lashing from the de line, flows through the cut section of the coil dj into the depth-increasing section of the channel / where it mixes with a part of the material that entered through the section ; e cd from the decreasing in depth section of the channel /.
Часть материала продолл ает двилсе.чнеPart of the material continues to dvilse.che
ПО каналу //, про.ход через сечение /а в величипающпйс по глубине участок этого канала , где смешиваетс с материало.м, постуПИВПП1М сюда через срезанный виток ас из уменьшающегос по глубине участка канала /.ON the channel //, the passage through the section / a in the depth area of the channel where it mixes with the materials, postPIPP1M here through the cut coil ac from the depth section of the channel /.
В участках каналов с упсл гчиваюптейс глубшюй (от линии cd до линии gf в канале/ н от линии /а до линии he в канале //) потоки .материалов смешиваютс . Далее цикл смешени повтор етс .In the sections of the channel with the plutons deep (from the line cd to the line gf in the channel / n from the line / a to the line he in the channel //) the material flows are mixed. Next, the mixing cycle is repeated.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1886067A SU498165A1 (en) | 1973-02-20 | 1973-02-20 | Continuous plunger for plastics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1886067A SU498165A1 (en) | 1973-02-20 | 1973-02-20 | Continuous plunger for plastics |
Publications (1)
Publication Number | Publication Date |
---|---|
SU498165A1 true SU498165A1 (en) | 1976-06-01 |
Family
ID=20543362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1886067A SU498165A1 (en) | 1973-02-20 | 1973-02-20 | Continuous plunger for plastics |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU498165A1 (en) |
-
1973
- 1973-02-20 SU SU1886067A patent/SU498165A1/en active
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