RU2018126870A - Экструзионное устройство и способ экструзии полуфабриката, выполненного из эластомерного материала - Google Patents

Экструзионное устройство и способ экструзии полуфабриката, выполненного из эластомерного материала Download PDF

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RU2018126870A
RU2018126870A RU2018126870A RU2018126870A RU2018126870A RU 2018126870 A RU2018126870 A RU 2018126870A RU 2018126870 A RU2018126870 A RU 2018126870A RU 2018126870 A RU2018126870 A RU 2018126870A RU 2018126870 A RU2018126870 A RU 2018126870A
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extrusion
elastomeric material
extrusion screw
motorized roller
screw
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RU2018126870A
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RU2018126870A3 (ru
RU2730339C2 (ru
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Чезаре Эмануэле АМУРРИ
Прести Гаэтано Ло
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Пирелли Тайр С.П.А.
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/285Feeding the extrusion material to the extruder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/114Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1143Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20Measuring; Control or regulation
    • B01F35/22Control or regulation
    • B01F35/221Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2215Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7173Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
    • B01F35/71731Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90Heating or cooling systems
    • B01F35/91Heating or cooling systems using gas or liquid injected into the material, e.g. using liquefied carbon dioxide or steam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00Making preforms
    • B29B11/06Making preforms by moulding the material
    • B29B11/10Extrusion moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/285Feeding the extrusion material to the extruder
    • B29C48/288Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2888Feeding the extrusion material to the extruder in solid form, e.g. powder or granules in band or in strip form, e.g. rubber strips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37Gear pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/625Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90Heating or cooling systems
    • B01F2035/98Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2805Mixing plastics, polymer material ingredients, monomers or oligomers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92209Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92361Extrusion unit
    • B29C2948/9238Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/924Barrel or housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/926Flow or feed rate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/465Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
    • B29C48/467Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (24)

1. Экструзионное устройство (100) для экструзии полуфабриката, выполненного из эластомерного материала, содержащее
экструзионный корпус (10), проходящий вдоль направления (А) подачи;
насос (20), расположенный за экструзионным корпусом (10) вдоль направления (А) подачи;
при этом экструзионный корпус (10) содержит:
воронку (30) для загрузки эластомерного материала;
экструзионный шнек (50), проходящий вдоль направления (А) подачи и имеющий входную часть (50а), расположенную вблизи воронки (30), и выходную часть (50b), расположенную вблизи насоса (20);
моторизованный ролик (40), расположенный у входной части (50а) экструзионного шнека (50) и выполненный с возможностью приема эластомерного материала из воронки (30) и подачи его к экструзионному шнеку (50), при этом экструзионный шнек (50) имеет такие длину (L) и диаметр (D), что отношение между длиной (L) и диаметром (D) находится в диапазоне между 4 и 8.
2. Экструзионное устройство (100) по п.1, в котором насос (20) представляет собой шестеренчатый насос.
3. Экструзионное устройство (100) по п. 1 или 2, содержащее охлаждающее устройство (45) для охлаждения моторизованного ролика (40).
4. Экструзионное устройство (100) по любому из предшествующих пунктов, в котором моторизованный ролик (40) приводится во вращение моторным узлом (47), отличным от того моторного узла, который приводит во вращение экструзионный шнек (50).
5. Экструзионное устройство (100) по любому из предшествующих пунктов, содержащее первое устройство (60) регулирования температуры, взаимодействующее с экструзионным корпусом (10) рядом с воронкой (30), и второе устройство (65) регулирования температуры, взаимодействующее с экструзионным корпусом (10) рядом с экструзионным шнеком (50).
6. Экструзионное устройство (100) по любому из предшествующих пунктов, в котором выходная часть (50b) экструзионного шнека (50) содержит заостренную концевую часть (51), выполненную с, по меньшей мере, одним витком (52) резьбы.
7. Экструзионное устройство (100) по любому из предшествующих пунктов, в котором длина (L) имеет значение, находящееся в диапазоне между приблизительно 500 мм и приблизительно 1500 мм.
8. Способ экструзии полуфабриката, выполненного из эластомерного материала, включающий
обеспечение принудительной подачи эластомерного материала к экструзионному шнеку (50) вдоль направления (А) подачи;
перемещение эластомерного материала посредством экструзионного шнека (50) вдоль направления (А) подачи;
при этом экструзионный шнек (50) имеет такие длину (L) и диаметр (D), что отношение между длиной (L) и диаметром (D) находится в диапазоне между 4 и 8.
9. Способ по п.8, при котором указанное отношение равно приблизительно 6.
10. Способ по п.8 или 9, при котором обеспечение принудительной подачи включает подачу эластомерного материала к экструзионному шнеку (50) посредством моторизованного ролика (40).
11. Способ по п.10, при котором обеспечивают вращение моторизованного ролика (40) с окружной скоростью, которая меньше окружной скорости экструзионного шнека (50).
12. Способ по п.10 или 11, включающий охлаждение моторизованного ролика (40) посредством охлаждающей текучей среды.
13. Способ по п.12, включающий регулирование температуры рядом с моторизованным роликом (40) до значения, которое ниже температуры рядом с экструзионным шнеком (50).
14. Способ по любому из пп.8-13, при котором эластомерный материал подают со скоростью потока, находящейся в диапазоне между приблизительно 25 см3/с и приблизительно 45 см3/с.
15. Способ по любому из пп.8-14, при котором экструзионный шнек (50) содержит заостренную концевую часть (51), выполненную с, по меньшей мере, одним витком (52) резьбы.
RU2018126870A 2015-12-24 2016-12-22 Экструзионное устройство и способ экструзии полуфабриката, выполненного из эластомерного материала RU2730339C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUB2015A009569 2015-12-24
ITUB20159569 2015-12-24
PCT/IB2016/057924 WO2017109744A1 (en) 2015-12-24 2016-12-22 Extrusion device and process for extruding a semi-finished product made of elastomeric material

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RU2018126870A true RU2018126870A (ru) 2020-01-24
RU2018126870A3 RU2018126870A3 (ru) 2020-03-11
RU2730339C2 RU2730339C2 (ru) 2020-08-21

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US (2) US10926231B2 (ru)
EP (1) EP3393747B1 (ru)
CN (1) CN108602228B (ru)
BR (1) BR112018012793B1 (ru)
MX (1) MX2018007366A (ru)
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WO (1) WO2017109744A1 (ru)

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CN108602228A (zh) 2018-09-28
US11623187B2 (en) 2023-04-11
US20210138413A1 (en) 2021-05-13
EP3393747B1 (en) 2021-09-15
BR112018012793B1 (pt) 2022-03-22
EP3393747A1 (en) 2018-10-31
US10926231B2 (en) 2021-02-23
RU2018126870A3 (ru) 2020-03-11
CN108602228B (zh) 2021-06-08
WO2017109744A1 (en) 2017-06-29
RU2730339C2 (ru) 2020-08-21
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