FR3081119B1 - EXTRACTOR FOR AN EXTRUSION SYSTEM - Google Patents

EXTRACTOR FOR AN EXTRUSION SYSTEM Download PDF

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Publication number
FR3081119B1
FR3081119B1 FR1854174A FR1854174A FR3081119B1 FR 3081119 B1 FR3081119 B1 FR 3081119B1 FR 1854174 A FR1854174 A FR 1854174A FR 1854174 A FR1854174 A FR 1854174A FR 3081119 B1 FR3081119 B1 FR 3081119B1
Authority
FR
France
Prior art keywords
extractor
splined shaft
screw
extrusion system
extrusion
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.)
Active
Application number
FR1854174A
Other languages
French (fr)
Other versions
FR3081119A1 (en
Inventor
Pierre Jomard
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.)
Soc des Ets Raoul Monnot
Original Assignee
Soc des Ets Raoul Monnot
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 Soc des Ets Raoul Monnot filed Critical Soc des Ets Raoul Monnot
Priority to FR1854174A priority Critical patent/FR3081119B1/en
Publication of FR3081119A1 publication Critical patent/FR3081119A1/en
Application granted granted Critical
Publication of FR3081119B1 publication Critical patent/FR3081119B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/022—Extracting or inserting relatively long parts
    • 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
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2561—Mounting or handling of the screw
    • 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
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2564—Screw parts
    • 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
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2568—Inserts
    • B29C48/25682—Inserts for screws
    • 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
    • B29C48/507—Screws characterised by the material or their manufacturing process
    • 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
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements

Abstract

L'invention concerne un extracteur (1) pour un système d'extrusion (4). Le système d'extrusion comprenant un arbre cannelé (40) et des éléments de vis (41) montés successivement sur l'arbre cannelé pour former une vis d'extrusion (42). L'extracteur (1) comprend un premier dispositif de maintien (3) configuré pour immobiliser l'arbre cannelé (40), un second dispositif de maintien (5) configuré pour agripper un des éléments de vis (41) et un dispositif d'actionnement (6) configuré pour déplacer le second dispositif de maintien (5) selon un axe de translation (X1) parallèle à un axe longitudinal (X3) de l'arbre cannelé (40) en sorte d'écarter ledit élément de vis (41) agrippé du reste de la vis d'extrusion (42). L'extracteur permet de dégripper les éléments de vis de l'arbre cannelé.The invention relates to an extractor (1) for an extrusion system (4). The extrusion system comprising a splined shaft (40) and screw elements (41) successively mounted on the splined shaft to form an extrusion screw (42). The extractor (1) comprises a first holder (3) configured to immobilize the splined shaft (40), a second holder (5) configured to grip one of the screw elements (41) and a device for actuation (6) configured to move the second holding device (5) along a translation axis (X1) parallel to a longitudinal axis (X3) of the splined shaft (40) so as to move said screw element (41) apart ) gripped by the rest of the extrusion screw (42). The extractor allows the screw elements to be released from the splined shaft.

FR1854174A 2018-05-18 2018-05-18 EXTRACTOR FOR AN EXTRUSION SYSTEM Active FR3081119B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1854174A FR3081119B1 (en) 2018-05-18 2018-05-18 EXTRACTOR FOR AN EXTRUSION SYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1854174A FR3081119B1 (en) 2018-05-18 2018-05-18 EXTRACTOR FOR AN EXTRUSION SYSTEM
FR1854174 2018-05-18

Publications (2)

Publication Number Publication Date
FR3081119A1 FR3081119A1 (en) 2019-11-22
FR3081119B1 true FR3081119B1 (en) 2021-12-17

Family

ID=63145029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1854174A Active FR3081119B1 (en) 2018-05-18 2018-05-18 EXTRACTOR FOR AN EXTRUSION SYSTEM

Country Status (1)

Country Link
FR (1) FR3081119B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115229493B (en) * 2022-08-19 2023-07-21 河北工程大学 Automatic shaft penetrating device and automatic shaft penetrating method for carrier roller

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611113C1 (en) * 1986-04-03 1987-07-23 Werner & Pfleiderer Puller for screw elements
FR2607431B1 (en) * 1986-12-02 1989-03-10 Clextral METHOD AND INSTALLATION FOR MOUNTING AND DISASSEMBLING THE SCREWS OF AN EXTRUSION MACHINE
DE8912089U1 (en) * 1989-10-11 1989-12-21 Basf Ag, 6700 Ludwigshafen, De
US6081983A (en) * 1998-05-15 2000-07-04 Apex Tool And Manufacturing, Inc. Screw element extractor
DE10052440C2 (en) * 1999-12-21 2003-11-27 Josef A Blach Puller for screw elements
KR100901724B1 (en) * 2008-11-07 2009-06-08 한국이엠 주식회사 Apparatus for disassembling screw assembly

Also Published As

Publication number Publication date
FR3081119A1 (en) 2019-11-22

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