Different-diameter extrusion screw of cold-feed exhausting extruder
The utility model discloses a different-diameter extrusion screw of a cold-feed exhausting extruder. The different-diameter extrusion screw of the cold-feed exhausting extruder comprises a double-stage screw or a multi-stage screw, wherein the outer diameters of screw threads of a working section co...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
13.02.2013
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Subjects | |
Online Access | Get full text |
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Abstract | The utility model discloses a different-diameter extrusion screw of a cold-feed exhausting extruder. The different-diameter extrusion screw of the cold-feed exhausting extruder comprises a double-stage screw or a multi-stage screw, wherein the outer diameters of screw threads of a working section comprising the double-stage screw or the multi-stage screw vary by stages so as to achieve capacity balance. The screw can be in an integrated structure or a split type structure, the stages are connected in screwing mode through screw threads, positioning sections which are used to guarantee coaxiality of the outer diameters of each two adjacent stages of the screw are designed, and an axial seal method and an end face seal method are combined to guarantee sealing performance. A screw head is connected to a screw body at a measuring section position in welded mode or through screw threads, and a bigger water way is machined on the screw body at the measuring section position. According to the different-diameter extr |
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AbstractList | The utility model discloses a different-diameter extrusion screw of a cold-feed exhausting extruder. The different-diameter extrusion screw of the cold-feed exhausting extruder comprises a double-stage screw or a multi-stage screw, wherein the outer diameters of screw threads of a working section comprising the double-stage screw or the multi-stage screw vary by stages so as to achieve capacity balance. The screw can be in an integrated structure or a split type structure, the stages are connected in screwing mode through screw threads, positioning sections which are used to guarantee coaxiality of the outer diameters of each two adjacent stages of the screw are designed, and an axial seal method and an end face seal method are combined to guarantee sealing performance. A screw head is connected to a screw body at a measuring section position in welded mode or through screw threads, and a bigger water way is machined on the screw body at the measuring section position. According to the different-diameter extr |
Author | CHEN JIE HUANG FAGUO |
Author_xml | – fullname: CHEN JIE – fullname: HUANG FAGUO |
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Notes | Application Number: CN201220392757U |
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RelatedCompanies | GUILIN RUBBER DESIGN INSTITUTE CO., LTD |
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Snippet | The utility model discloses a different-diameter extrusion screw of a cold-feed exhausting extruder. The different-diameter extrusion screw of the cold-feed... |
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SubjectTerms | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
Title | Different-diameter extrusion screw of cold-feed exhausting extruder |
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