动模干式弯曲竹制品制造工艺  被引量:1

Production Technology for Curved Bamboo-Based Products Using Dynamic Mold Dry Bending Technology

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作  者:季加贵 娄志超 李延军 王瑞 韩贺 JI Jia-gui;LOU Zhi-chao;LI Yan-jun;WANG Rui;HAN He(College of Materials Science and Engineering,Nanjing Forestry University,Nanjing 210037,Jiangsu,P.R.China;Zhejiang Sanjian Industry and Trade Co.,Ltd.,Qingyuan 323800,Zhejiang,P.R.China;Qingyuan Zhiqu Bamboo Industry Co.,Ltd.,Qingyuan 323800,Zhejiang,P.R.China)

机构地区:[1]南京林业大学材料科学与工程学院,江苏南京210037 [2]浙江三箭工贸有限公司,浙江庆元323800 [3]庆元志曲竹业有限公司,浙江庆元323800

出  处:《林产工业》2023年第8期62-66,共5页China Forest Products Industry

基  金:国家自然科学基金(31971740);江苏省自然科学基金项目(BK20221336);江西省林业局科技创新项目(202240)。

摘  要:介绍了动模干式弯曲技术及其加工设备。该技术可实现一次性将竹条软化、胶合、干燥和360°圆弧弯曲无损定型,同时实现了竹质弯曲构件的免钉装配,提高了竹质弯曲制品生产的自动化和连续化水平。此外,采用内外侧同时分段加热的方式,使组合竹条受热更加均匀,减少了裂痕、开胶等现象的发生。通过调整动模干式弯曲设备加热模具的形状、尺寸、弧度,不仅实现了多层竹单板的胶接弯曲,增加了弯曲件的操作厚度,还可实现多种弧度、形状的竹材弯曲定型,操作灵活。相关加工设备包括动模干式弯曲装置和热压定型装置。通过以上设备和方法制造的竹质弯曲制品性能整体满足使用GB/T 3324—2017《木家具通用技术条件》、GB/T 35607—2017《绿色产品评价家具》和GB 18401—2020《国家纺织产品基本安全技术规范》等标准相关要求。The dynamic die dry bending technology and its processing equipment were introduced.The technology could realize the softening,gluing,drying and non-destructive shaping of 360°arc bending of bamboo strips at one time,and realize the nin-free assembly of bamboo bending components,improving the automation and continuous level of bamboo bending products production.In addition,the method of segmental heating inside and outside at the same time makes the combined bamboo strips heated more evenly,and reduced the occurrence of cracks and glue opening.By adjusting the shape,size and curvature of the heating mold of the dynamic die dry bending equipment,the adhesive bending of multi-layer bamboo veneer was not only realized,the operating thickness of the bending part was increased,but also the bending and shaping of bamboo with various radians and shapes could be realized,and the operation was flexible.The related processing equipment included a dynamic die dry bending device and a hot press shaping device.The performance of bamboo bent products manufactured through the above equipment and methods could generally meet the relevant requirements of standards such as GB/T 3324-2017 General Technical Conditions for Wood Furniture,GB/T 35607-2017 Green Product Evaluation Furniture,and GB 18401-2020 National Basic Safety Technical Code for Textile Products.

关 键 词:竹材弯曲 动模 干式 竹制品 生产工艺 

分 类 号:TS652[轻工技术与工程]

 

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