CN201442337U - 一种型材挤出用冷却定型水箱 - Google Patents

一种型材挤出用冷却定型水箱 Download PDF

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CN201442337U
CN201442337U CN2009200310214U CN200920031021U CN201442337U CN 201442337 U CN201442337 U CN 201442337U CN 2009200310214 U CN2009200310214 U CN 2009200310214U CN 200920031021 U CN200920031021 U CN 200920031021U CN 201442337 U CN201442337 U CN 201442337U
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water
profile
cooling
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water inlet
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宋广杰
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GRUBER EXTRUSION TECHNOLOGY (SHANDONG) Co Ltd
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GRUBER EXTRUSION TECHNOLOGY (SHANDONG) Co Ltd
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    • 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
    • B29C48/03—Extrusion 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/905—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using wet calibration, i.e. in a quenching tank
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

本实用新型涉及一种冷却设备，尤其是一种型材挤出用冷却定型水箱。它包括箱体，在箱体的两端分别设有型材进口和型材出口，在箱体内设有水箱板，水箱板由型材进口至型材出口前密后疏将箱体隔成若干个冷却室，在箱体的后部设有抽水嘴和抽气嘴，在箱体的底板上通过加长螺栓固连有喷水管和进水块，喷水管设在底板上方箱体内部的冷却室下方，进水块设在底板下方箱体外部靠近型材进口的箱体前端，喷水管一端底部与进水块内的水道相连通，在进水块的一侧设有进水嘴，在喷水管上表面设有若干个喷水孔。本实用新型结构简单，冷却速率一致，冷却效果好，冷却效率高，保证了型材的质量。

Description

一种型材挤出用冷却定型水箱
技术领域：
本实用新型涉及一种冷却设备，尤其是一种型材挤出用冷却定型水箱。
背景技术：
目前，塑料门窗行业发展日新月异，门窗用PVC型材需要量逐年升高。加之高产量挤出机的广泛应用，型材牵引速度随之提高，主型材牵引速度都需要在每分钟3米以上。这就要求型材在生产过程中冷却要更加快速充分。真空水箱做为型材的主要冷却定型部分，发挥着至关重要的作用。目前，市场上大都是传统的涡流式水箱，水箱前部直接集中供水到前面的腔室内，冷却水再由水箱上部或下部的空隙逐步流经各个腔室，最后从水箱后部出水。这样的冷却方式造成水箱前端几个腔室，由于是新水流入，水温低，型材冷却效果好，但随着热传递的不断进行，从前向后，水温逐渐升高，型材到水箱后部的冷却效果明显减弱。这样就会造成型材在水箱内部前后的冷却速率和冷却效率不一致，冷却效果不佳，导致型材几何外形尺寸和力学性能不佳，限制了型材的牵引速度进一步提高，还影响了型材的质量。
实用新型内容：
本实用新型提供了一种型材挤出用冷却定型水箱，它结构简单，冷却速率一致，冷却效果好，冷却效率高，保证了型材的质量，解决了现有技术中存在的问题。
本实用新型为解决上述技术问题所采用的技术方案是：它包括箱体，在箱体的两端分别设有型材进口和型材出口，在箱体内设有水箱板，水箱板由型材进口至型材出口前密后疏将箱体隔成若干个冷却室，在箱体的后部设有抽水嘴和抽气嘴，在箱体的底板上通过加长螺栓固连有喷水管和进水块，喷水管设在底板上方箱体内部的冷却室下方，进水块设在底板下方箱体外部靠近型材进口的箱体前端，喷水管一端底部与进水块内的水道相连通，在进水块的一侧设有进水嘴，在喷水管上表面设有若干个喷水孔。
在进水嘴上还设有水压表。
本实用新型结构简单，在箱体的底板上通过加长螺栓固连喷水管和进水块，喷水管设在底板上方箱体内部的冷却室下方，进水块设在底板下方箱体外部靠近型材进口的箱体前端，喷水管一端底部与进水块内的水道相连通，在进水块的一侧设置进水嘴，在喷水管上表面设置喷水孔，这种在箱体底部设置喷淋装置的真空水箱相比传统涡流式水箱，型材在水箱内冷却更充分，冷却效率更高，真空定型效果更好，型材的外形尺寸和力学性能更佳；在保持型材同样尺寸和力学性能的前提下，采用底部喷淋装置的真空水箱，其型材牵引速度可提高0.5～1m/min，极大地提高了型材企业的生产效率；喷水管设在底板上方箱体内部的冷却室下方，喷射时保证冷却水进入每个冷却室的量大致相同，使每个冷却室的水温几乎相同，从而保证型材在经过每个冷却室时保持一致的冷却速率和更高的冷却效率，使型材性能更佳；在进水嘴上设置水压表，可按需调节水量大小，更加节能，减少了不必要的浪费。
附图说明：
图1为本实用新型的结构示意图。
图2为图1中的A-A剖视放大结构示意图。
图中，1、箱体；2、水箱板；3、冷却室；4、抽水嘴；5、抽气嘴；6、底板；7、加长螺栓；8、喷水管；9、进水块；10、进水嘴；11、水压表。
具体实施方式：
为能清楚说明本方案的技术特点，下面通过具体实施方式，并结合其附图，对本实用新型进行详细阐述。
如图1～2所示，本实用新型包括箱体1，在箱体1的两端分别设有型材进口和型材出口，在箱体1内设有水箱板2，水箱板2由型材进口至型材出口前密后疏将箱体隔成若干个冷却室3，在箱体1的后部设有抽水嘴4和抽气嘴5，在箱体1的底板6上通过加长螺栓7固连有喷水管8和进水块9，喷水管8设在底板6上方箱体1内部的冷却室3下方，进水块9设在底板6下方箱体1外部靠近型材进口的箱体1前端，喷水管8一端底部与进水块9内的水道相连通，在进水块9的一侧设有进水嘴10，在喷水管8上表面设有若干个喷水孔。喷水管8两端是密封的。
在进水嘴10上还设有水压表11。
整个冷却过程如下：外部的冷却水由进水嘴10进入进水块9内的水道内，再进入喷水管8内，流入喷水管8内的水通过其上表面的喷水孔喷射到每个冷却室3内，所述喷水孔的直径为2mm或3mm，使每个冷却室3内的水量大致相同，水温几乎相同，从而保证型材在经过每个冷却室时保持一致的冷却速率和更高的冷却效率，使型材通过真空水箱的冷却，其外形几何尺寸和力学性能更佳，保证了型材的质量。
本实用新型未详述之处，均为本技术领域技术人员的公知技术。

Claims (2)

1.一种型材挤出用冷却定型水箱，包括箱体，在箱体的两端分别设有型材进口和型材出口，在箱体内设有水箱板，水箱板由型材进口至型材出口前密后疏将箱体隔成若干个冷却室，在箱体的后部设有抽水嘴和抽气嘴，其特征在于：在箱体的底板上通过加长螺栓固连有喷水管和进水块，喷水管设在底板上方箱体内部的冷却室下方，进水块设在底板下方箱体外部靠近型材进口的箱体前端，喷水管一端底部与进水块内的水道相连通，在进水块的一侧设有进水嘴，在喷水管上表面设有若干个喷水孔。
2.根据权利要求1所述的一种型材挤出用冷却定型水箱，其特征在于：在进水嘴上还设有水压表。
CN2009200310214U 2009-08-04 2009-08-04 一种型材挤出用冷却定型水箱 Expired - Fee Related CN201442337U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103057097A (zh) * 2013-01-16 2013-04-24 洛阳市建园模具制造有限公司 一种塑料型材负压成型冷却水箱装置
CN103587103A (zh) * 2013-10-22 2014-02-19 铜陵格瑞特挤出技术有限公司 型材挤出用真空冷却水箱的水气分离系统
CN106064460A (zh) * 2016-08-23 2016-11-02 鹤山联塑实业发展有限公司 一种快速冷却式海洋养殖网箱踏板主体真空冷却定型模具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103057097A (zh) * 2013-01-16 2013-04-24 洛阳市建园模具制造有限公司 一种塑料型材负压成型冷却水箱装置
CN103587103A (zh) * 2013-10-22 2014-02-19 铜陵格瑞特挤出技术有限公司 型材挤出用真空冷却水箱的水气分离系统
CN103587103B (zh) * 2013-10-22 2015-11-25 铜陵格瑞特挤出技术有限公司 型材挤出用真空冷却水箱的水气分离系统
CN106064460A (zh) * 2016-08-23 2016-11-02 鹤山联塑实业发展有限公司 一种快速冷却式海洋养殖网箱踏板主体真空冷却定型模具

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