CN108557221A - 一种果蔬托盘 - Google Patents
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 22
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 22
- 235000012055 fruits and vegetables Nutrition 0.000 claims abstract description 29
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- 235000013305 food Nutrition 0.000 abstract description 5
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/02—Rigid pallets with side walls, e.g. box pallets
- B65D19/04—Rigid pallets with side walls, e.g. box pallets with bodies moulded or otherwise fabricated in one piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/38—Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00014—Materials for the load supporting surface
- B65D2519/00034—Plastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00049—Materials for the base surface
- B65D2519/00069—Plastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00154—Materials for the side walls
- B65D2519/00174—Plastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00263—Overall construction of the pallet
- B65D2519/00278—Overall construction of the pallet the load supporting surface and the base surface being identical
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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Abstract
本发明公开了一种果蔬托盘,属于食品包装技术领域,包括:具有容腔的吸塑托盘,所述吸塑托盘包括:底部,所述底部具有平面状的承托区;若干侧壁,由底部向上延伸形成,所述侧壁的内侧面在靠近侧壁上端处设有用于增强吸塑托盘强度的阶梯部;翻边,由侧壁上端向外延伸形成。吸塑托盘的底部采用平面结构设计,避免果蔬遇到非平面结构时形成伤痕,影响果蔬的外观和保鲜期,底部平面状的承托区,能够尽可能地缩小吸塑托盘对果蔬造成的损伤,此外,侧壁的内侧面在靠近侧壁上端处设有阶梯部,阶梯部可提高吸塑托盘四周的承受力度,防止吸塑托盘受力过度变形,大大提高了吸塑托盘整体的强度和刚度。
Description
技术领域
本发明涉及食品包装技术领域,特别是一种果蔬托盘。
背景技术
随着生活方式的改变和生活节奏的加快,小包装冷藏食品越来越受到消费者的青睐。目前,为了节省消费者称重时间,用托盘和保鲜膜包装的精品果蔬随处可见,以便消费者直接购买。
由于果蔬托盘由一定厚度的塑料材质制成,为增加强度,现有的果蔬托盘在底部设置若干凹坑,然而,所述凹坑会伤及放置在托盘内的果蔬产品的下表面,且当多个果蔬托盘层叠放置时,位于上方的果蔬托盘以凹坑为施力点,会在下方产品的上表面形成压痕,将极大地影响产品外观,缩短了产品保鲜期。
发明内容
为了克服现有技术的不足,本发明提供一种结构合理、设计巧妙的果蔬托盘。
本发明解决其技术问题所采用的技术方案是:
一种果蔬托盘,包括:具有容腔的吸塑托盘,所述吸塑托盘包括:底部,所述底部具有平面状的承托区;若干侧壁,由底部向上延伸形成,所述侧壁的内侧面在靠近侧壁上端处设有用于增强吸塑托盘强度的阶梯部;翻边,由侧壁上端向外延伸形成。
优选的,所述阶梯部的宽度在1.6mm-2.0mm之间。
优选的,所述阶梯部在相邻侧壁连接处向上凸起形成加强筋。
优选的,所述加强筋的高度在1.5mm-1.9mm之间。
优选的,相邻侧壁连接处向容腔所在方向凸起形成定位圆角。
优选的,所述翻边沿自上而下逐渐远离侧壁的方向倾斜设置,且与竖直方向的夹角在8°-12°之间,翻边的上端距离翻边的下端在4.5mm-5.5mm之间。
优选的,所述翻边与竖直方向的夹角为9°,翻边的上端距离翻边的下端5mm。
优选的,所述底部还包括位于承托区外围的边缘区,侧壁由边缘区向上延伸形成,所述边缘区向背离容腔所在方向凸起形成支撑筋,所述支撑筋横向延伸至承托区,且当置于容腔内的果蔬与侧壁接触时,该侧壁上的支撑筋于底部所在平面上的投影长度小于果蔬与该侧壁、果蔬与承托区的接触点于底部所在平面上的投影点之间的距离。
优选的,支撑筋于底部所在平面上的投影长度在12mm-17mm之间。
优选的,所述支撑筋竖向延伸至阶梯部。
本发明的有益效果是:吸塑托盘的底部采用平面结构设计,避免果蔬遇到非平面结构时形成伤痕,影响果蔬的外观和保鲜期,底部平面状的承托区,能够尽可能地缩小吸塑托盘对果蔬造成的损伤,此外,侧壁的内侧面在靠近侧壁上端处设有阶梯部,阶梯部可提高吸塑托盘四周的承受力度,防止吸塑托盘受力过度变形,大大提高了吸塑托盘整体的强度和刚度。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明实施例的立体图;
图2是本发明实施例的俯视图;
图3是图2中A部放大图;
图4是本发明实施例的侧视图;
图5是图4中B部放大图。
具体实施方式
参照图1至图5,如图所示,一种果蔬托盘,包括:具有容腔的吸塑托盘1,所述吸塑托盘1包括:底部,所述底部具有平面状的承托区2;若干侧壁3,由底部向上延伸形成,所述侧壁3的内侧面靠近侧壁3上端处设有用于增强吸塑托盘1强度的阶梯部4;翻边5,由侧壁3上端向外延伸形成。
本发明中,吸塑托盘1的底部采用平面结构设计,避免果蔬遇到非平面结构时形成伤痕,影响果蔬的外观和保鲜期,底部平面状的承托区2,能够尽可能地缩小吸塑托盘1对果蔬造成的损伤,此外,侧壁3的内侧面在靠近侧壁3上端处设有阶梯部4,阶梯部4可提高吸塑托盘1四周的承受力度,防止吸塑托盘1受力过度变形,大大提高了吸塑托盘1整体的强度和刚度。
如图3所示,自动化包装时,所述阶梯部4的宽度M控制在1.6mm-2.0mm之间,将盛装果蔬的吸塑托盘1放置在自动打膜机上,吸塑托盘1能够满足承受自动打膜机打膜时的包扎拉紧力度,吸塑托盘1不会过度变形而影响自动化包装。
由于阶梯部4的宽度过大或过小都将减弱吸塑托盘1四周承受的力度,故将阶梯部4的宽度M控制在1.6mm-2.0mm之间,优选1.6mm、1.7mm、1.8mm、1.9mm、2.0mm等。
进一步地,所述阶梯部4在相邻侧壁3连接处向上凸起形成加强筋6,以进一步提高吸塑托盘1四周承受的力度,使得吸塑托盘1的整体力学性能更好,如图5所示,所述加强筋6的高度H在1.5mm-1.9mm之间,如1.5mm、1.7mm、1.8mm、1.9mm等,优选1.7mm。
在本实施例中,吸塑托盘1的形状为方形,相邻侧壁3连接处向容腔所在方向凸起形成定位圆角7,增加吸塑托盘1四个边角的强度,不易损坏,其结构合理、设计巧妙、性能稳定。
吸塑托盘1是采用吸塑工艺生产出的塑料制品,通过将平展的塑料硬片材料加热变软,用真空吸塑成型,刀模冲裁而成。为符合食品安全监管的相关规定,上述塑料硬片材可以为PP、PET、PS、PE等,优选PET。
考虑到吸塑生产工艺的成本控制,通常一次冲裁多张塑料硬片材料,以提高生产效率,降低成本,为避免一次冲裁完成的多个吸塑托盘1之间粘附过于紧密,如图5所示,所述翻边5沿自上而下逐渐远离侧壁3的方向倾斜设置,其中,翻边5与竖直方向的夹角α在8°-12°之间,翻边5的上端与翻边5的下端距离P在4.5mm-5.5mm之间。
通过对翻边5倾斜角度α及翻边5深度P的控制,使得翻边5最大化地提高吸塑托盘1四周承受力度的同时,便于分离一次冲裁完成的多个吸塑托盘1,易于打开取用。
其中,翻边5的倾斜角度α控制在8°-12°,同时翻边5的深度P控制在4.5mm-5.5mm。当翻边5的倾斜角度小于8°,或翻边5的深度大于5.5mm,一次冲裁完成的多个吸塑托盘1之间扣合紧密,分离相当困难,当翻边5的倾斜角度大于12°,或翻边5的深度小于4.5mm时,翻边5能够为吸塑托盘1提供的承受力度减弱,故本发明将翻边5的倾斜角度α控制在8°-12°,同时翻边5的深度P控制在4.5mm-5.5mm,优选的,所述翻边5与竖直方向的夹角α为9°,翻边5的上端距离翻边5的下端5mm。
此外,所述底部还包括位于承托区2外围的边缘区8,侧壁3由边缘区8向上延伸形成,所述边缘区8向背离容腔所在方向凸起形成支撑筋9,所述支撑筋9横向延伸至承托区2,且当置于容腔内的果蔬与侧壁3接触时,该侧壁3上的支撑筋9于底部所在平面上的投影长度L小于果蔬与该侧壁3、果蔬与承托区2的接触点于底部所在平面上的投影点之间的距离。
当吸塑托盘1放置在桌面时,所述支撑筋9能够托起吸塑托盘1,避免整个底部接触桌面,防止底部与桌面摩擦形成刮痕,影响美观,同时支撑筋9形成一定支撑,托起果蔬,避免果蔬与桌面硬接触,对果蔬起到保护作用。
需要特别指出的是,当置于容腔内的果蔬与侧壁3接触时,支撑筋9于底部所在平面上的投影长度L小于果蔬与该侧壁3、果蔬与承托区2的接触点于底部所在平面上的投影点之间的距离,支撑筋9的存在并不会对果蔬造成损伤。
在本实施例中,支撑筋9于底部所在平面上的投影长度L控制在12mm-17mm之间,其在为吸塑托盘1提供足够支撑的同时,能够避免对果蔬造成损伤。如果支撑筋9于底部所在平面上的投影长度小于12mm,其强度减弱,不能为吸塑托盘1提供稳定的支撑力,如果支撑筋9于底部所在平面上的投影长度大于17mm,支撑筋9将在承托区2形成损伤果蔬的非平面结构。
所述支撑筋9可以竖向延伸至阶梯部4,以增强侧壁3强度。
以上对本发明的较佳实施例进行了具体说明,当然,本发明还可以采用与上述实施方式不同的形式,熟悉本领域的技术人员在不违背本发明精神的前提下所作的等同的变换或相应的改动,都应属于本发明的保护范围内。
Claims (10)
1.一种果蔬托盘,其特征在于,包括:
具有容腔的吸塑托盘(1),所述吸塑托盘(1)包括:
底部,所述底部具有平面状的承托区(2);
若干侧壁(3),由底部向上延伸形成,所述侧壁(3)的内侧面在靠近侧壁(3)上端处设有用于增强吸塑托盘(1)强度的阶梯部(4);
翻边(5),由侧壁(3)上端向外延伸形成。
2.根据权利要求1所述的果蔬托盘,其特征在于,所述阶梯部(4)的宽度在1.6mm-2.0mm之间。
3.根据权利要求1所述的果蔬托盘,其特征在于,所述阶梯部(4)在相邻侧壁(3)连接处向上凸起形成加强筋(6)。
4.根据权利要求3所述的果蔬托盘,其特征在于,所述加强筋(6)的高度在1.5mm-1.9mm之间。
5.根据权利要求1所述的果蔬托盘,其特征在于,相邻侧壁(3)连接处向容腔所在方向凸起形成定位圆角(7)。
6.根据权利要求1所述的果蔬托盘,其特征在于,所述翻边(5)沿自上而下逐渐远离侧壁(3)的方向倾斜设置,且与竖直方向的夹角在8°-12°之间,翻边(5)的上端距离翻边(5)的下端在4.5mm-5.5mm之间。
7.根据权利要求6所述的果蔬托盘,其特征在于,所述翻边(5)与竖直方向的夹角为9°,翻边(5)的上端距离翻边(5)的下端5mm。
8.根据权利要求1所述的果蔬托盘,其特征在于,所述底部还包括位于承托区(2)外围的边缘区(8),侧壁(3)由边缘区(8)向上延伸形成,所述边缘区(8)向背离容腔所在方向凸起形成支撑筋(9),所述支撑筋(9)横向延伸至承托区(2),且当置于容腔内的果蔬与侧壁(3)接触时,该侧壁(3)上的支撑筋(9)于底部所在平面上的投影长度小于果蔬与该侧壁(3)、果蔬与承托区(2)的接触点于底部所在平面上的投影点之间的距离。
9.根据权利要求8所述的果蔬托盘,其特征在于,支撑筋(9)于底部所在平面上的投影长度在12mm-17mm之间。
10.根据权利要求8所述的果蔬托盘,其特征在于,所述支撑筋(9)竖向延伸至阶梯部(4)。
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