CN102292267A - Lightweight pallet, mold for producing lightweight pallets, and method for producing lightweight pallets using the mold - Google Patents

Lightweight pallet, mold for producing lightweight pallets, and method for producing lightweight pallets using the mold Download PDF

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Publication number
CN102292267A
CN102292267A CN2010800051747A CN201080005174A CN102292267A CN 102292267 A CN102292267 A CN 102292267A CN 2010800051747 A CN2010800051747 A CN 2010800051747A CN 201080005174 A CN201080005174 A CN 201080005174A CN 102292267 A CN102292267 A CN 102292267A
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CN
China
Prior art keywords
tray
mentioned
rib
lightweight
board
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.)
Pending
Application number
CN2010800051747A
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Chinese (zh)
Inventor
白大铉
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Individual
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Individual
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Publication of CN102292267A publication Critical patent/CN102292267A/en
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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
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
    • B65D19/0014—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0018—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces and each contact surface having a discrete foot-like shape
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/58—Snap connection
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/545—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles one hollow-preform being placed inside the other
    • 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
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
    • B65D19/0012—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming a continuous plane contact surface
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7178—Pallets
    • 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
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00034—Plastic
    • 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
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00268—Overall construction of the pallet made of one piece
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00273—Overall construction of the pallet made of more than one piece
    • 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
    • B65D2519/00258—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
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00288—Overall construction of the load supporting surface made of one piece
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00303—Cell type, e.g. honeycomb
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00318—Overall construction of the base surface made of one piece
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base contact surface having a discrete foot-like shape
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00343—Overall construction of the base surface shape of the contact surface of the base contact surface being substantially in the form of a panel
    • 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
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B65D2519/00567—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements mechanical connection, e.g. snap-fitted
    • 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
    • B65D2519/00736—Details
    • B65D2519/00935—Details with special means for nesting or stacking
    • B65D2519/0094—Details with special means for nesting or stacking nestable
    • 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
    • B65D2519/00736—Details
    • B65D2519/00935—Details with special means for nesting or stacking
    • B65D2519/00955—Details with special means for nesting or stacking stackable
    • B65D2519/00965—Details with special means for nesting or stacking stackable when loaded

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

The present invention relates to a lightweight pallet to be used in loading and unloading goods using a forklift truck, to a mold for producing lightweight pallets, and to a method for producing lightweight pallets using the mold for producing lightweight pallets. The lightweight pallet formed by a vacuum-molding process according to the present invention comprises: a pallet plate unit formed into the shape of a plate having an upper surface on which goods are loaded; a pallet rib unit bent upwardly or downwardly from the pallet plate unit to support the pallet plate unit; a thermally bonded unit formed by thermally bonding both sides of a rib at the intermediate portion of each rib in a lengthwise direction such that the ribs of the pallet rib unit have cohesive force in a lengthwise direction or a vertical direction; and a plurality of pallet support units bent downwardly from the pallet plate unit to support the pallet plate unit such that the pallet plate unit has a predetermined height. Accordingly, the pallet of the present invention has excellent durability such as in terms of shock absorption, tensile strength, and the like, and is thus prevented from being deformed or damaged. The pallet of the present invention can be produced through a simple process at a reduced cost.

Description

Lightweight tray, lightweight tray die for manufacturing and the manufacture method of utilizing the lightweight tray of this mould
Technical field
Employed lightweight tray when the present invention relates to carry out unloading operation, be used to the manufacture method making the lightweight tray die for manufacturing of lightweight tray and utilize the lightweight tray of this mould at lade or with forklift.
Background technology
Usually, tray constitutes square, and the stability of goods storage and the convenience of carrying are provided when loading, storing and taking care of goods.This tray is divided into synthetic resin pallet, wooden pallets, metal tray, paper tray according to material.
Though wooden pallets is easy to manufacture, but split when heavier, dry, might be damaged by worms, be out of shape and produce the slit, contact with moisture and produce rust on the jointing nail and be corroded easily, inhomogeneous and a part of generation of intensity is damaged, thereby becomes the reason of destroying environment.Though metal tray excellent strength, but pass through welding, bolt during assembling, therefore it is difficult to make operation, and the situation of finishing tray under the state of being missed in the fixed position of bolt is more, therefore tray self becomes off gauge, the forfeiture durability, and because of moisture etc. is corroded easily, especially can not be as the aquatic products tray.In addition, the formation of wooden pallets in the past, metal tray is to use in conjunction with plural different material, and is therefore damaged or when damaging, and can not recycle therefore not environmental protection.Synthetic resin pallet is to finish by molding procedure, so production process is simple, but if under the situation of the synthetic resin pallet of making by ejection formation, can not regulate thickness after finishing mould.In addition, the ejection shaping die expense is higher, and weight is 15Kg～20Kg, and the tray of weight and other materials is indifference almost.
On the other hand, tray weight in the past is heavier, utilizes the situation of forklift more when therefore mobile, and the operator is subjected to severely injured danger factor when having bump.In addition, during the output goods, tray also moves together, therefore can't reclaim, and under the situation of aviation goods, the weight of tray exerts an influence to the freight charges of aviation goods, therefore requires the lighting of tray.
Summary of the invention
The technical matters that solves
The present invention makes in order to address the above problem, and its purpose is to provide excellent in te pins of durability such as a kind of impact absorption rate and tensile strength and can prevents to be out of shape and damaged and can consider the lightweight tray of operator's safety, the manufacture method that can make the lightweight tray die for manufacturing of lightweight tray and utilize the lightweight tray of this mould.
In addition, the object of the present invention is to provide a kind of weight and volume are minimized and carry easily, take care of, the lightweight tray of processing such as management, the manufacture method that can make the lightweight tray die for manufacturing of lightweight tray and utilize the lightweight tray of this mould.
In addition, the object of the present invention is to provide a kind of lightweight tray of the environmental protection that can recycle, the manufacture method that can make the lightweight tray die for manufacturing of lightweight tray and utilize the lightweight tray of this mould.
In addition, the object of the present invention is to provide a kind of Fabrication procedure that can make to become simply and the manufacture method that can reduce the lightweight tray die for manufacturing of manufacturing expense and utilize the lightweight tray of this mould.
The technical problem to be solved in the present invention is not limited to the above-mentioned problem that relates to, and the technical personnel with general knowledge of the technical field of the invention can be understood the other technologies problem that will solve in this present invention who does not relate to by following record.
The technical scheme of dealing with problems
The lightweight tray that vacuum forming forms that passes through that the present invention relates to comprises: the tray board, form tabular, bearing goods in the above; Tray rib portion, from the tray board upward or below bending and support the tray board; Rib thermal welding portion for the rib that makes tray rib portion possesses cohesiveness to length direction or above-below direction, forms the two sides thermal welding at the midway location of the length direction of each rib; And a plurality of trays support portion, bend downwards and support the tray board from the tray board, make the tray board have certain height.
In addition, tray rib of the present invention portion has at a plurality of circles or polygon rib that inside and outside dual on the tray board forms and is connecting circle between inside and outside on two above directions or the connection rib of polygon rib.
In addition, the circle of outermost profile of the present invention or polygon rib are formed by the hexagon rib of honeycomb structure.
In addition, circle of the present invention or polygon rib form as follows: a plurality of quadrangle ribs adjacent and be formed on the outermost profile and the also dual quadrangle rib that is formed on the outermost profile of quadrangle rib in.
In addition, rib thermal welding of the present invention portion forms width and is narrower than the shape that rib and top bend downwards.
In addition, rib thermal welding of the present invention portion thermal welding by forming work heat and vacuum suction pressure.
In addition, lightweight tray of the present invention is formed by at least one material in polypropylene, the polyethylene.
In addition, lightweight tray of the present invention also comprises outline extension portion, and this outline extension portion is along the edge of tray board and bending upward.
In addition, lightweight tray of the present invention also comprises: a plurality of tray lower auxiliary support portion, and releasably fastening with the lower end of tray support portion, from supported underneath tray support portion; And connect rib portion, interconnect and support tray lower auxiliary support portion.
In addition, tray of the present invention support portion is formed with fastener hole in the lower end, and tray lower auxiliary support portion is formed with fastening projection in the upper end, thereby can load and unload mutually.
In addition, tray lower auxiliary support of the present invention portion is from having the ladder difference to the lower surface and form impact absorption hierarchic structure with fastening upper surface, tray support portion.
In addition, lightweight tray of the present invention also comprises tray upper auxiliary support portion, and this tray upper auxiliary support portion releasably is fastened on the upper end of tray board, and supports the tray board from the top.
In addition, lightweight tray of the present invention be a pair of opposed to each other in conjunction with and be used.
The lightweight tray die for manufacturing that the present invention relates to comprises: the mould board is formed for the substrate of vacuum forming lightweight tray; Protrusion is formed on the mould board, makes the lightweight tray possess outstanding rib; The protrusion deflation hole connects the mould board and forms along protrusion; Depressed part is formed on the midway location of the length direction of protrusion, so that the midway location of the length direction of thermal welding rib; And the depressed part deflation hole, connect the mould board along the bottom surface of depressed part and form.
In addition, width protrusion of the present invention, that form the part of depressed part reduces gradually.
In addition, protrusion of the present invention portion has in a plurality of circular protrusions or polygon projection that inside and outside dual on the mould board forms and is connecting circular protrusions between inside and outside on two above directions or the connection bump of polygon projection.
In addition, depressed part deflation hole of the present invention is made of along parallel two holes that form of the length direction of protrusion the bottom surface at depressed part.
The present invention relates to lightweight tray manufacture method may further comprise the steps: sheet material softens step, in the softening step of this sheet material the themoplasticity synthetic resin sheet material is heated and softens; Sheet material is close to step, is close in the step at this sheet material the synthetic resin sheet material that is softened is clung on the lightweight tray die for manufacturing, and wherein, this lightweight tray die for manufacturing comprises: the mould board is formed for the substrate of vacuum forming lightweight tray; Protrusion is formed on the mould board, makes the lightweight tray possess outstanding rib; The protrusion deflation hole connects the mould board and forms along protrusion; Depressed part is formed on the midway location of the length direction of protrusion, so that the midway location of the length direction of thermal welding rib; And the depressed part deflation hole, connect the mould board along the bottom surface of depressed part and form; Steps of exhausting, in this steps of exhausting, be sealed and installed with after the vacuum forming machine of mould, discharge the air in the vacuum forming machine rapidly and on synthetic resin sheet material, form outstanding rib by the protrusion deflation hole, discharge residual air on the depressed part rapidly and the midway location of thermal welding rib by the depressed part deflation hole; And the tray completing steps, after cooling forming is the sheet material of tray shape in this tray completing steps, this sheet material is broken away from from mold.
In addition, depressed part deflation hole of the present invention is made of along parallel two holes that form of the length direction of protrusion the bottom surface at depressed part.
In addition, have a plurality of circles or polygon rib and the circle between connection on two above directions is inside and outside or the connection rib of polygon rib that inside and outside dual forms by the rib of discharging step formation, and be shaped to the shape that supports the lightweight tray, the two sides of rib are heat fused in the midway location of the length direction of each rib, and each rib is shaped to the shape that length direction or above-below direction is had cohesiveness.
The invention effect
According to above-mentioned technical solution, lightweight tray of the present invention, lightweight tray die for manufacturing and utilize the manufacture method impact absorption rate of lightweight tray of this mould and excellent in te pins of durability such as tensile strength and can prevent distortion and damaged can be made the lightweight tray of the safety of having considered the operator.
In addition, lightweight tray of the present invention, lightweight tray die for manufacturing and utilize the manufacture method of the lightweight tray of this mould that weight and volume are minimized, can make be convenient to transport, take care of, lightweight tray that management etc. is handled.
In addition, lightweight tray of the present invention, lightweight tray die for manufacturing and utilize the manufacture method of the lightweight tray of this mould can make the lightweight tray of the environmental protection of recyclable utilization.
In addition, lightweight tray of the present invention, lightweight tray die for manufacturing and utilize the manufacture method of the lightweight tray of this mould to make the Fabrication procedure of lightweight tray become simple and can reduce manufacturing expense.
Description of drawings
Fig. 1 is the figure of the lightweight tray that is used to illustrate that the first embodiment of the present invention relates to.
Fig. 2 amplify to show the tray rib portion that the first embodiment of the present invention relates to and the birds-eye view of rib thermal welding portion.
Fig. 3 is the figure of the rib thermal welding portion that relates to of the expression first embodiment of the present invention.
Fig. 4 is the figure of the lightweight tray that is used to illustrate that the second embodiment of the present invention relates to.
Fig. 5 only shows the second embodiment of the present invention tray lower auxiliary support portion that relates to and the birds-eye view that is connected rib portion.
Fig. 6 is the figure that shows the state of cargo loading in the lightweight tray that the second embodiment of the present invention relates to.
Fig. 7 is the figure that is used to illustrate the fastening structure of tray support portion that the second embodiment of the present invention relates to and tray lower auxiliary support portion.
Fig. 8 is the figure of the another kind of mode of the connection rib portion that shows that the second embodiment of the present invention relates to.
Fig. 9 shows that cargo loading is at the figure connection rib portion that adopts Fig. 8, in the lightweight tray.
Figure 10 is the figure of the lightweight tray that is used to illustrate that the third embodiment of the present invention relates to.
Figure 11 is the figure of the lightweight tray that is used to illustrate that another embodiment of the present invention relates to.
Figure 12 is the figure of the lightweight tray that is used to illustrate that another embodiment of the present invention relates to.
Figure 13 is the figure of the lightweight tray that is used to illustrate that another embodiment of the present invention relates to.
Figure 14 amplify to show the tray rib portion that another embodiment of the present invention relates to and the birds-eye view of rib thermal welding portion.
Figure 15 is the figure of the lightweight tray die for manufacturing that is used to illustrate that one embodiment of the invention relate to.
Figure 16 is the block diagram of the lightweight tray die for manufacturing that shows that one embodiment of the invention relate to.
Figure 17 is the birds-eye view that amplifies the lightweight tray die for manufacturing that shows that one embodiment of the invention relate to.
Figure 18 is the diagram of circuit of the manufacture method of the lightweight tray that shows that one embodiment of the invention relate to.
Figure 19 to Figure 22 is the figure of the manufacture method of the lightweight tray that shows respectively that set by step one embodiment of the invention relate to.
Description of reference numerals
Figure BPA00001406983600071
The specific embodiment
Below comprise aforesaid the technical problem to be solved in the present invention, the technical scheme that is used to deal with problems and beneficial effect in Ji Zai embodiment and the accompanying drawing.With reference to the embodiment of accompanying drawing and back write up with clear and definite advantage of the present invention, feature and the method that reaches these.
Below, present invention will be described in detail with reference to the accompanying.
＜the first embodiment 〉
Fig. 1 is the figure of the lightweight tray that is used to illustrate that the first embodiment of the present invention relates to.Particularly, (a) of Fig. 1 is the block diagram of the lightweight tray that relates to of the first embodiment of the present invention, and (b) of Fig. 1 is the section drawing along A-A ' line of lightweight tray of Fig. 1 (a).In addition, at first illustrate, omitted for the ease of understanding in each inscape of the lightweight tray that Fig. 1 relates to one embodiment of the invention shown in Figure 14, along the part in direction of observation or cross section.
As shown in Figure 1, the lightweight tray that relates to of the first embodiment of the present invention comprises: tray board 110, tray rib portion 120, rib thermal welding portion 130 and rib support portion 140.
Tray board 110 forms tabular and lade in the above.
Tray rib portion 120 from tray board 110 upward or below bending and form outstanding rib shapes, and have the impact absorption power of enhancing tray board 110 and the structure of tensile strength, support tray board 110, make this tray board 110 not crooked or damaged because of the loading of goods.For example, as shown in Figure 1, tray rib portion 120 form by a plurality of hexagon ribs of honeycomb structure, in hexagon rib inside the inside and outside dual structure the polygon rib, hexagon rib and polygon rib connected ribs to two above direction bonded assemblys constitute, strengthen the tensile strength of rib board 110 with this.
The two sides of rib thermal welding portion 130 are in the centre portion thermal welding of the length direction of each rib of tray rib portion 120 and form.As above the rib thermal welding portion 130 of Xing Chenging makes each rib of tray rib portion 120 possess cohesiveness to length direction or above-below direction, thereby further strengthens the tensile strength of tray board 110.About being described in more detail of tray rib portion 120 and rib thermal welding portion 130, by Fig. 2 and Fig. 3 with aftermentioned.
Tray support portion 140 bends downwards and supports tray board 110 from tray board 110, makes tray board 110 possess certain height.Thus, the fork (fork) of forklift is inserted easily to the downside of tray board 110.
In addition, the lightweight tray that the first embodiment of the present invention relates to can also comprise outline extension portion 150, and its profile along tray board 110 bends upward.By possessing outline extension portion 150, strengthen in the transverse strength on the outline portion of tray board 110, prevent that the cargo-carring tray of institute breaks away from.
In addition, the lightweight tray that relates to of the first embodiment of the present invention can be formed by at least a material in polypropylene (polypropylene), the polyethylene (polyethylene).That is, form the lightweight tray and mix the lightweight tray that above-mentioned two kinds of materials form, after using, can recycle, therefore reduce environmental pollution with certain proportion by above-mentioned each single material.In addition, the tensile strength excellence of these materials self also can be used the synthetic resin of the corresponding material therewith beyond the first embodiment of the present invention.On the other hand, also can add reinforcing agent in order to strengthen hardness.
As mentioned above, the lightweight tray that relates to of the first embodiment of the present invention can improve impact absorption power and tensile strength by the structure of tray rib portion 120 and the formation of rib thermal welding portion 130.Therefore,, also can have identical durability, therefore can realize the tray of ultralight matter with tray in the past even dwindle thickness and volume.
In addition, the said structure key element of the lightweight tray that the first embodiment of the present invention relates to has from tray board 110 upward or the integrative-structure of below bending, therefore can vacuum forming.The lightweight tray that relates to owing to the first embodiment of the present invention is that vacuum forming forms, and therefore can dwindle thickness and volume easily.Can make by synthetic resin single or that mix these by a certain percentage, therefore have the advantage of making property excellence and environmental protection.
Fig. 2 and Fig. 3 are used to illustrate the tray rib portion that the first embodiment of the present invention relates to and the figure of rib thermal welding portion.Particularly, Fig. 2 amplify to show the tray rib portion that the first embodiment of the present invention relates to and the birds-eye view of rib thermal welding portion, Fig. 3 is the figure of the rib thermal welding portion that relates to of the expression first embodiment of the present invention, wherein, (a) of Fig. 3 shows the shape of the rib thermal welding portion of observing from the side, (b) of Fig. 3 shows the cross-sectional plane of rib thermal welding portion, and (c) of Fig. 3 shows the vertical section of rib thermal welding portion.
As Fig. 2 and shown in Figure 3, the lightweight tray that the first embodiment of the present invention relates to possesses tray rib portion 120 and rib thermal welding portion 130 in order to improve durability.
Tray rib portion 120 forms above or below tray board 110 and bends outstanding structure, and this concaveconvex structure is compared effects such as having the impact strength of increasing, transverse strength usually with smooth plate-shaped member.
Have, the tray rib portion 120 that the first embodiment of the present invention relates to possesses a plurality of hexagon ribs 121 continuously again, forms honeycomb structure when observing so that overlook.Honeycomb structure can improve intensity and impact absorption power is the fact that has been disclosed.
Have, the tray rib portion 120 that the first embodiment of the present invention relates to forms the polygon rib 122,123 of inside and outside dual in hexagon rib 121 again.In Fig. 2, in hexagon rib 121, form circular rib 122, in circular rib 122, form quadrangle rib 123 and the polygon rib 122,123 of formation inside and outside dual.In addition, the polygon rib 121,122,123 that comprises hexagon rib 121 passes through to connect rib 124 connections on plural direction.Therefore, under the situation of loading that is subjected to goods or external impact, because the stress of the polygon rib 121,122,123 of inside and outside formation self, rib 124 supports between interior outer rib and pulling force is the effect of gravitation because of connecting, and supporting rib board 110 securely.
As mentioned above, the tray rib portion 120 that relates to of the first embodiment of the present invention by following some improve impact absorption power and tensile strength effectively: on flat board, form rib and form concavo-convex; The shape of rib forms honeycomb structure; Form the polygon rib in inside continuously and interconnect by connecting rib.
In addition, the two sides of the rib thermal welding portion 130 that relates to of the first embodiment of the present invention are in the centre portion thermal welding of the length direction of each rib of tray rib portion 120 and form.In the hexagon rib 121 of Fig. 2, form on two midways location of each rib on hexagonal limit and form rib weld portion 130, forming rib thermal welding portion 130 on the circular rib 122 with on whole accordingly six positions of hexagon rib 121, on a midway location that connects rib 124, form rib thermal welding portion 130.As mentioned above, in the first embodiment of the present invention, on each rib, form a rib thermal welding portion 130 at least.On the other hand, as not shown rib thermal welding portion on the inner most quadrangle rib 123,, therefore himself also can fully have under the situation of cohesiveness only depending on, can omit rib thermal welding portion because the length of rib is shorter.
In addition, as shown in Figure 3, the rib thermal welding portion 130 that the first embodiment of the present invention relates to forms shape narrower than rib width and that top bends downwards.This is the shape by the thermal welding portion of thermal welding, and so-called thermal welding is meant two thermoplastic plastic surfaces are applied heat and pressure and bonding, is also referred to as heat bonding.That is, rib is softened by heat, is applied in pressure and has shape bonding securely and cohesion to two sides and below.
At this, rib thermal welding portion that the first embodiment of the present invention relates to 130 forms by vacuum forming, thereby forms easily.Particularly, vacuum forming is meant by the synthetic resin material being applied heat and clings to the air that mould is got rid of rapidly in the vacuum forming machine after the mould and come vacuum suction, forms tray with this.At this moment, rib thermal welding portion 130 presses easily by thermal welding by forming work heat and vacuum suction.
As mentioned above, according to the rib thermal welding portion 130 strong bond rib two sides of thermal welding, rib position therebetween has cohesiveness to length direction or above-below direction.In view of the above, under the situation of loading that is subjected to goods or external impact, the gravitation between the rib further is reinforced.Thus, can further effectively improve the durability of the lightweight tray that the first embodiment of the present invention relates to.
＜the second embodiment 〉
Fig. 4 to Fig. 6 is the figure of the lightweight tray that is used to illustrate that the second embodiment of the present invention relates to.Particularly, (a) of Fig. 4 is the block diagram of the lightweight tray that relates to of the second embodiment of the present invention, and (b) of Fig. 4 is the section drawing along B-B ' of lightweight tray of Fig. 4 (a).In addition, Fig. 5 only shows the second embodiment of the present invention auxiliary support sector in tray bottom that relates to and the birds-eye view that is connected rib portion, and Fig. 6 is the figure that shows the state of cargo loading in the lightweight tray that the second embodiment of the present invention relates to.
To shown in Figure 6, the lightweight tray that the second embodiment of the present invention relates to comprises as Fig. 4: tray board 110, tray rib portion 120, rib thermal welding portion 130, tray support portion 140, outline extension portion 150, tray lower auxiliary support portion 160 and connection rib portion 170.
The tray board 110 of the lightweight tray that the second embodiment of the present invention relates to, tray rib portion 120, rib thermal welding portion 130, tray support portion 140 and outline extension portion 150 have tray board 110, tray rib portion 120, rib thermal welding portion 130, tray support portion 140 and outline extension portion 150 identical or similar materials, shape, structure and the function of the lightweight tray that relates to the first embodiment of the present invention, therefore omit below its detailed description, please refer to the first embodiment of the present invention referring to figs. 1 through Fig. 3 explanation.
The lightweight tray that the second embodiment of the present invention relates to also comprises except the said structure key element: tray lower auxiliary support portion 160 be connected rib portion 170.Tray lower auxiliary support portion 160 be connected rib portion 170 and be used under the situation of the carrying capacity that increases goods as illustrated in fig. 6, preventing that tray support portion 440 from can't bear the excessive loading of goods and be out of shape or damaged; a plurality of tray lower auxiliary support portion 160 is configured in the lower end that releasably is fastened on tray support portion 140 with 140 cooresponding positions, tray support portion; in supported underneath tray support portion 140, connection rib portion 170 forms as one with tray lower auxiliary support portion 160 and interconnects and support tray lower auxiliary support portion 160.
By as above structure, the durability of the end portion of tray support portions 140 improves in tray lower auxiliary support portion 160, connects 170 performances of rib portion and above-mentioned tray rib portion 120 identical effect and effect.Therefore, under the excessive situation of the loading of goods or external impact, can strengthen the durability of lightweight tray by using tray lower auxiliary support portion 160 and the connection rib portion 170 that is connected this.On the other hand, can also form rib thermal welding portion 130 in the rib portion 170 and increase the cohesion connecting.In addition, as shown in Figure 5, except tray lower auxiliary support portion 160 be connected rib portion 170 the board the 161, the 162nd of interior profile, the part that forms when vacuum forming is by removing the lighting that this can seek the lightweight tray that the second embodiment of the present invention relates to.That is, consider the two sides of durability and lighting and can optionally keeping or remove.
Fig. 7 is the figure that is used to illustrate the fastening structure of tray support portion that the second embodiment of the present invention relates to and tray lower auxiliary support portion.
Shown in Fig. 7 (a), tray support portion 140 is formed with fastener hole 141 in the lower end, tray lower auxiliary support portion 160 is formed with fastening protruding 163 in the upper end shown in Fig. 7 (b), shown in Fig. 7 (c) by being inserted into fastener hole 141 and can carrying out fastening easily with firm protruding 163, in addition, can decompose easily.That is, load and unload tray support portion 140 and tray lower auxiliary support portion 160 easily.
In addition, tray lower auxiliary support portion 160 forms from having the impact absorption hierarchic structure 164 of ladder difference to the lower surface of bottom surface with fastening upper surface, tray support portion 140, thus easier absorption external impact.For example, have the transportation of long-distance transportation, dirt road or as illustrated in fig. 6 goods be laminated under the double-ply situation can the safety guard-safeguard goods buffer action.In addition, tray support portion 140 can reduced height, by solving the structure of the worry that when vacuum forming tray support portion 140 might die down because of stretching too, has two functions of buffer action kept and hardness.
Fig. 8 is the figure of the another kind of mode of the connection rib portion that shows that the second embodiment of the present invention relates to.Fig. 9 shows the figure of cargo loading at the state connection rib portion that adopts Fig. 8, in the lightweight tray.
As shown in Figure 8, connect rib portion 170 and have connect tray lower auxiliary support portion 160 main when connecting rib 171, also comprise along transverse direction and longitudinal direction and pass the main midway location that connects rib 171 and the auxiliary rib 172 that connects of bonded assembly.
By as above structure, under the situation that four goods are loaded with level as illustrated in fig. 9, the loading of part between the goods can be supported by the auxiliary connection rib 172 that is positioned at its below.That is, the auxiliary rib 172 that connects has the function that strengthens the main tensile strength that connects rib 171 etc., according to the weight, configuration etc. of cargo-carring goods can change its structure easily and design and make.
＜the three embodiment 〉
Figure 10 is the figure of the lightweight tray that is used to illustrate that the third embodiment of the present invention relates to.Particularly, (a) of Figure 10 is the block diagram of the lightweight tray that relates to of the third embodiment of the present invention, and (b) of Figure 10 is that the lightweight tray of (a) of Figure 10 is along the section drawing of C-C ' line.
The lightweight tray that the third embodiment of the present invention relates to also comprises tray upper auxiliary support portion 180 on the basis of illustrated said structure key element in the first embodiment of the present invention or second embodiment.Tray upper auxiliary support portion 180 releasably is fastened on the upper end of tray board 110, supports tray board 110 up.That is, tray upper auxiliary support portion 180 be close to tray board 110 above, a Tu Chu part and tray support portion 140 are corresponding and be close to downwards.Therefore, form the structure of the thickness that strengthens tray board 110, and improve the durability on lightweight tray top.
In addition,, can after transporting goods, decompose tray upper auxiliary support portion 180 again and take care of, can re-assembly when needed and use by this structure.As mentioned above, can decompose keeping when keeping lightweight tray, in light weight, the operator operates easily, therefore can improve operator's safety and operational capability.
As mentioned above, therefore excellent in te pins of durability such as lightweight tray impact absorption rate that the first embodiment of the present invention relates to and tensile strength can prevent distortion and damaged, thereby can seek operator's safety.In addition, compare,, therefore weight and volume are minimized and become the lightweight tray of processing such as easy carrying, keeping, management because the thickness of tray reduces with other materials with identical durability or ejection formation tray.For example, be that 10Kg～15Kg compares with the weight of in the past tray, the weight of the lightweight tray that one embodiment of the invention relate to is 4Kg～5Kg.That is, in one embodiment of this invention, the intensity by improving tray, dwindle thickness and seek lighting.In addition, form, therefore can recycle by synthetic resin single or that mix these by a certain percentage.In addition, shown in second embodiment and the 3rd embodiment, can further strengthen the lightweight tray as required.
＜other embodiment 〉
(A) Figure 11 is the figure of the lightweight tray that is used to illustrate that another embodiment of the present invention relates to.Particularly, (a) of Figure 11 is the block diagram of the lightweight tray that relates to of another embodiment of the present invention, and (b) of Figure 11 is the section drawing along D-D ' line of lightweight tray of Figure 11 (a).
As shown in figure 11, in another embodiment of the present invention, can with a pair of lightweight tray opposed to each other in conjunction with and use.Therefore, even do not make tray lower auxiliary support portion that the second embodiment of the present invention relates to separately and be connected rib, also can have the structure of bearing excessive loading.
(B) Figure 12 is the figure of the lightweight tray that is used to illustrate that another embodiment of the present invention relates to.Shown in Figure 12 (a), in another embodiment of the present invention, can be stacked easily when the transportation of lightweight tray or keeping.That is, the additional pallet structure in the past of lightweight tray of the present invention shared volume when transporting and take care of can't be stablized the problem of carrying greatly, makes the minimized while of volume, has and can stablize the structure of transporting and taking care of.In addition, shown in Figure 12 (b), tray lower auxiliary support portion also can from the tray support section from and stacked separately.
(C) Figure 13 and Figure 14 are the figure of the lightweight tray that is used to illustrate that another embodiment of the present invention relates to.Particularly, (a) of Figure 13 is the block diagram that another embodiment of the present invention relates to the lightweight tray, (b) of Figure 13 is the lateral plan of the lightweight tray that relates to of another embodiment of the present invention, and Figure 14 amplifies to show the tray rib portion that another embodiment of the present invention relates to and the birds-eye view of rib thermal welding portion.
As Figure 13 and shown in Figure 14, the lightweight tray that another embodiment of the present invention relates to comprises: tray board 210, tray rib portion 220, rib thermal welding portion 230 and tray support portion 240.
Tray rib portion 220 from tray board 210 upward or below bending and form outstanding rib shapes, a plurality of circles of multilayer or polygon rib are with different in first enforcement of the present invention inside and outside forming on tray board 210, form following structure: a plurality of quadrangle rib 221 is adjacent and be formed on the outermost profile, and quadrangle rib 222,223 also forms dual in the quadrangle rib of outermost profile.At this, quadrangle rib 221,222,223 forms quadrangle form roughly in the bending of corner part, and is formed on the connection rib 224 that connects quadrangle rib 221,222,223 on two above directions.In addition, also be formed with a plurality of auxiliary ribs 225 on the outline of the quadrangle rib 221 of outermost profile continuously abreast and suitably be formed with vertical auxiliary rib 226, improve smoothness and bearing capacity with this.
As mentioned above, the lightweight tray that relates to of one embodiment of the invention can change the structure design of tray rib portion easily according to smoothness and bearing capacity.That is, can form hexagon or the triangle the quadrangle, circle etc., and suitably rib is assisted in configuration except giving an example.On the other hand, in Figure 13 and Figure 14, the line that shows continuously on tray board 210 is to be used to prevent the concave-convex-piece of goods from 210 landings of tray board.
Below, the lightweight tray die for manufacturing that is used to make the lightweight tray that above-mentioned one embodiment of the invention relates to and the manufacture method of lightweight tray are described.
Figure 15 is the figure of the lightweight tray die for manufacturing that is used to illustrate that one embodiment of the invention relate to.Particularly, Figure 15 is the figure of the part of simple displaying mould for the concrete feature that the lightweight tray die for manufacturing that one embodiment of the invention relate to is described, wherein, (a) be the block diagram of the lightweight tray die for manufacturing that relates to of one embodiment of the invention, (b) being the lateral plan of the lightweight tray die for manufacturing that relates to of one embodiment of the invention, (c) is the birds-eye view of the lightweight tray die for manufacturing that relates to of one embodiment of the invention.
As shown in figure 15, the lightweight tray die for manufacturing that relates to of one embodiment of the invention comprises: mould board 1110, protrusion 1120, protrusion deflation hole 1130, depressed part 1140 and depressed part deflation hole 1150.
Mould board 1110 is configured for the substrate of vacuum forming lightweight tray.That is, be formed with the said structure key element on the mould board 1110, when vacuum forming, become the substrate of the board that is used to form the lightweight tray.
Protrusion 1120 is outstanding formation on mould board 1110, so that the lightweight tray possesses outstanding rib.Protrusion 1120 be used for form on the board of lightweight tray upward or below the outstanding rib of bending, the board by 1120 pairs of lightweight trays of protrusion forms the concavo-convex impact strength that strengthens the lightweight tray, transverse strength etc.
Protrusion deflation hole 1130 connects mould boards 1110 and forms along protrusion 1120.Protrusion deflation hole 1130 is used for when vacuum forming the synthetic resin sheet material vacuum suction forming along the edge that is formed by mould board 1110 and protrusion 1120 to mould especially protrusion 1120.
Depressed part 1140 is formed on the centre portion of the length direction of protrusion 1120, so that the midway location of the length direction of the rib that thermal welding is formed by protrusion 1120.In addition, depressed part 1140 is recessed to the top of an one of above-below direction of protrusion 1120 or mould board 1110 and forms the bottom surface.Thermal welding is meant that the surface to two themoplasticity synthetic resin applies heat and pressure and bonding, is also referred to as heat bonding.The two sides of the midway location of the length direction of rib are bonding securely by thermal welding, and rib has cohesiveness to length direction or above-below direction on this midway location.Therefore, under the situation of loading that is subjected to goods or external impact, the gravitation between the rib is further strengthened and is improved the durability of lightweight tray more effectively.
In addition, shown in Figure 15 (a), protrusion 1120 has the guide part 1121 that the width of the part that forms depressed part 1140 reduces gradually.Therefore, synthetic resin sheet material can have from the shape of protrusion 1120 to depressed part 1140 bendings when vacuum forming, thereby can prevent that the synthetic resin sheet material that is softened from being split in the marginal portion that is formed by protrusion 1120 and depressed part 1140.
Depressed part deflation hole 1150 is along the bottom surface of depressed part 1140 and connect mould board 1110 and form.Depressed part deflation hole 1150 plays when vacuum forming the residual air of discharging rapidly in the depressed part 1140 and the effect of the rib midway location of thermal welding lightweight tray.
In addition, depressed part deflation hole 1150 is by constituting along parallel two holes that form of the length direction of protrusion 1120 on the bottom surface of depressed part 1140.By as above structure, can be to carry out thermal welding along the bonding mode of rib length direction.
As mentioned above, the lightweight tray die for manufacturing that relates to of one embodiment of the invention is by possessing depressed part 1140 and depressed part deflation hole 1150 easy thermal welding rib when the vacuum forming.That is, synthetic resin sheet material is heated and is positioned on the depressed part 1140 after softening, moves by vacuum suction by the exhaust of depressed part deflation hole 1150.
Figure 16 is the block diagram of the lightweight tray die for manufacturing that shows that one embodiment of the invention relate to.Figure 17 is the birds-eye view that amplifies the lightweight tray die for manufacturing that shows that one embodiment of the invention relate to.
As Figure 16 and shown in Figure 17, the lightweight tray die for manufacturing that one embodiment of the invention relate to is as possessing by as described in Figure 15: mould board 1110 is configured for the substrate of vacuum forming lightweight tray; Protrusion 1120 is formed on the mould board 1110, makes the lightweight tray possess outstanding rib; Protrusion deflation hole 1130 connects mould boards 1110 and forms along protrusion 1120; Depressed part 1140 is formed on the length direction midway location of protrusion 1120, so that the length direction midway location of thermal welding rib; And depressed part deflation hole 1150, connect mould board 1110 along the bottom surface of depressed part 1140 and form.
At this, protrusion 1120 is a plurality of circles of inside and outside multiple formation on mould board 1110 or an example of polygon projection, is made of with the connection bump 1125 that is connected hexagon protruding 1122 and polygon projection 1123,1124 on plural direction a plurality of hexagon projectioies 1122 that form honeycomb structure, the polygon projection 1123,1124 that forms with inside and outside dual in hexagon projection 1122.Polygon projection the 1123, the 1124th forms circular protrusions 1123 and formation quadrangle protruding 1124 and form polygon projection 1123,1124 shapes of inside and outside dual circular protrusions 1123 in hexagon projection 1122.
In addition, depressed part 1140 is in the centre portion of the length direction of each projection 1122,1123,1124,1125 of protrusion 1120 depression and form.In Figure 17, on two midways location of each projection that constitutes hexagonal limit on the hexagon projection 1122, form depressed part 1140, forming depressed part 1140 on the circular protrusions 1123 with in hexagon projection 1122 corresponding and whole six places, on a midway location of connection bump 1125, form depressed part 1130.As mentioned above, on each projection 1122,1123,1124,1125, form a depressed part 1140 at least in one embodiment of this invention.On the other hand, as not shown depressed part on inner most quadrangle projection 1124, short and, can omit depressed part by himself also fully having under the situation of cohesiveness in the length of the rib by mould-manufacturing.
The lightweight tray that structure by aforesaid protrusion 1120 and depressed part 1140 forms by following some effectively improve impact absorption power and tensile strength: on flat board, form rib and form concavo-convex this point, also form the polygon rib continuously in inside and by connecting the interconnective this point of rib, this point of the midway location of the hot bar of thermal welding.
As mentioned above, the lightweight tray die for manufacturing that relates to of one embodiment of the invention can be made the lightweight tray that has improved impact absorption power and tensile strength easily.
On the other hand, in the lightweight tray die for manufacturing that one embodiment of the invention relate to, also form: brace table protrusion 1160, be used to form the support sector of brace table shape, make it have certain height so that support the lightweight tray; And outline extension portion protrusion 1170, be used for along the profile of lightweight tray board and the upward outline extension portion of bending of moulding.
Figure 18 is the diagram of circuit of the manufacture method of the lightweight tray that shows that one embodiment of the invention relate to.Figure 19 to Figure 22 is the figure of the manufacture method of the lightweight tray that shows respectively that set by step one embodiment of the invention relate to.
As shown in figure 18, the manufacture method of the lightweight tray that relates to of one embodiment of the invention comprises: sheet material softens step S410; Sheet material is close to step S420; Steps of exhausting S430; And tray completing steps S440.Below, check each manufacturing step with reference to Figure 19 to Figure 22.
At first, as shown in figure 19, in the softening step S410 of sheet material, utilize 410 pairs of themoplasticity synthetic resin sheet materials 400 of temperature booster to heat and soften.At this moment, synthetic resin sheet material 400 is formed by any material at least in polypropylene or the polyethylene.Use single material or mix with certain proportion after these the lightweight tray of material, can recycle, therefore reduce environmental pollution.In addition, these materials self tensile strength excellence, also can use in an embodiment of the present invention in addition, with the synthetic resin of its corresponding material.On the other hand, can add reinforcing agent in order to strengthen hardness.
This is because by making the shape expected and the tray of structure on the synthetic resin die for manufacturing that the sheet material vacuum suction of above-mentioned material is related to one embodiment of the invention easily.In addition, according to identical reason, in one embodiment of this invention, can regulate thickness that make by the thickness of any adjusting synthetic resin sheet material 400, the lightweight tray.
Then, as shown in figure 20, be close among the step S420, the synthetic resin sheet material 400 that is softened is close on the lightweight tray die for manufacturing 1100 at sheet material.Lightweight tray die for manufacturing 1100 with by Figure 15 to Figure 17 and the lightweight tray die for manufacturing that above-mentioned one embodiment of the invention relate to is identical, therefore please refer to foregoing, omit its detailed description below.
Then, as shown in figure 21, the vacuum forming machine (not shown) of lightweight tray die for manufacturing 1100 is installed in sealing in steps of exhausting S430.Afterwards, vacuum tank 420 by being formed at lightweight tray die for manufacturing 1100 back sides and come to discharge air in the vacuum forming machine rapidly from the protrusion deflation hole with vacuum tank 420 bonded assembly vacuum pumps 430, thereby on synthetic resin sheet material 400, form outstanding rib, discharge residual air on the depressed part rapidly and thermal welding rib midway location by the depressed part deflation hole.
At this moment, the rib that forms by steps of exhausting S430 forms a plurality of circles of inside and outside dual or polygon rib by the shape according to lightweight tray die for manufacturing 1100 and constitutes connecting the circle between inside and outside or the connection rib of polygon rib on two above directions, and being shaped to the shape that supports the lightweight tray, two sides are shaped to each rib at the midway location of the length direction of each rib by thermal welding length direction or above-below direction are had the cohesiveness shape.The lightweight tray of Xing Chenging is illustrated in Fig. 1 to Figure 14 as mentioned above.
Then, as shown in figure 22, in tray completing steps S440, make the sheet cools that is shaped to the tray shape afterwards from mould separating.In addition, also remove the N/R part and finish lightweight tray 500.In addition, also can make the lower support unit separately and combination.
As mentioned above, the lightweight tray die for manufacturing that relates to of one embodiment of the invention and the lightweight tray manufacture method of utilizing this mould can be made excellent in te pins of durability such as impact absorption rate and tensile strength and can prevent to be out of shape and damaged and seek the lightweight tray of operator's safety.In addition, compare,, therefore weight and volume are minimized, be convenient to processing such as carrying, keeping, management because the thickness of tray reduces with other materials with identical durability or the tray of ejection formation.For example, be that 10Kg～15Kg compares with the weight of tray in the past, the weight that one embodiment of the invention relate to the lightweight tray is 4Kg～5Kg.That is, one embodiment of the invention manufacture method of lightweight tray of relating to lightweight tray die for manufacturing and utilizing this mould by improving tray intensity and reduce thickness and can seek lighting.In addition, hybrid resin material that is can be enough single or that mix these by a certain percentage comes moulding, therefore can recycle tray, makes the Fabrication procedure of lightweight tray become simple and reduce manufacturing expense.
As mentioned above, the technical personnel of the technical field of the invention can be understood under the situation that does not change technological thought of the present invention, essential feature, and the technology of the invention described above constitutes and can implement in different concrete modes.
Therefore, should be understood to above affiliated embodiment and go up just illustration in all respects, be not used to limit, scope of the present invention is not by above-mentioned detailed description but illustrates by claims described later, by the implication of claims, scope with and equivalents all changes of deriving or the mode of distortion should be interpreted as belonging to scope of the present invention.

Claims (20)

1. a lightweight tray forms by vacuum forming, it is characterized in that,
Comprise:
The tray board, form tabular, bearing goods in the above;
Tray rib portion, from above-mentioned tray board upward or below bending and support above-mentioned tray board;
Rib thermal welding portion for the rib that makes above-mentioned tray rib portion possesses cohesiveness to length direction or above-below direction, forms the two sides thermal welding at the midway location of the length direction of above-mentioned each rib; And
A plurality of trays support portion bends downwards and supports above-mentioned tray board from above-mentioned tray board, makes above-mentioned tray board have certain height.
2. lightweight tray according to claim 1 is characterized in that,
Above-mentioned tray rib portion has at a plurality of circles that inside and outside dual on the above-mentioned tray board forms or polygon rib and is connecting above-mentioned circle between inside and outside on two above directions or the connection rib of polygon rib.
3. lightweight tray according to claim 2 is characterized in that,
The above-mentioned circle of outermost profile or polygon rib are formed by the hexagon rib of honeycomb structure.
4. lightweight tray according to claim 2 is characterized in that,
Above-mentioned circle or polygon rib form as follows: a plurality of quadrangle ribs adjacent and be formed on the outermost profile and the also dual quadrangle rib that is formed on above-mentioned outermost profile of quadrangle rib in.
5. lightweight tray according to claim 1 is characterized in that,
Above-mentioned rib thermal welding portion forms width and is narrower than the shape that above-mentioned rib and top bend downwards.
6. lightweight tray according to claim 1 is characterized in that,
The thermal welding of above-mentioned rib thermal welding portion by forming work heat and vacuum suction pressure.
7. lightweight tray according to claim 1 is characterized in that,
This lightweight tray is formed by at least one material in polypropylene, the polyethylene.
8. lightweight tray according to claim 1 is characterized in that,
Also comprise outline extension portion, this outline extension portion is along the edge of above-mentioned tray board and bending upward.
9. lightweight tray according to claim 1 is characterized in that,
Also comprise:
A plurality of tray lower auxiliary support portion, releasably fastening with the lower end of above-mentioned tray support portion, from the above-mentioned tray of supported underneath support portion; And
Connect rib portion, interconnect and support above-mentioned tray lower auxiliary support portion.
10. lightweight tray according to claim 9 is characterized in that,
Above-mentioned tray support portion is formed with fastener hole in the lower end, and above-mentioned tray lower auxiliary support portion is formed with fastening projection in the upper end, thereby can load and unload mutually.
11. lightweight tray according to claim 9 is characterized in that,
Above-mentioned tray lower auxiliary support portion is from having the ladder difference to the lower surface and form impact absorption hierarchic structure with fastening upper surface, tray support portion.
12. lightweight tray according to claim 1 is characterized in that,
Also comprise tray upper auxiliary support portion, this tray upper auxiliary support portion releasably is fastened on the upper end of above-mentioned tray board, and supports above-mentioned tray board from the top.
13. lightweight tray according to claim 1 is characterized in that,
A pair of above-mentioned lightweight tray opposed to each other in conjunction with and be used.
14. a lightweight tray die for manufacturing is characterized in that,
Comprise:
The mould board is formed for the substrate of vacuum forming lightweight tray;
Protrusion is formed on the above-mentioned mould board, makes above-mentioned lightweight tray possess outstanding rib;
The protrusion deflation hole connects above-mentioned mould board and forms along above-mentioned protrusion;
Depressed part is formed on the midway location of the length direction of above-mentioned protrusion, so that the midway location of the length direction of the above-mentioned rib of thermal welding; And
The depressed part deflation hole connects above-mentioned mould board along the bottom surface of above-mentioned depressed part and forms.
15. lightweight tray die for manufacturing according to claim 14 is characterized in that,
Width above-mentioned protrusion, that form the part of above-mentioned depressed part reduces gradually.
16. lightweight tray die for manufacturing according to claim 14 is characterized in that,
Above-mentioned protrusion portion has in a plurality of circular protrusions that inside and outside dual on the above-mentioned mould board forms or polygon projection and is connecting above-mentioned circular protrusions between inside and outside on two above directions or the connection bump of polygon projection.
17. lightweight tray die for manufacturing according to claim 14 is characterized in that,
Above-mentioned depressed part deflation hole is made of along parallel two holes that form of the length direction of above-mentioned protrusion the bottom surface at above-mentioned depressed part.
18. a lightweight tray manufacture method is characterized in that,
May further comprise the steps:
Sheet material softens step, in the softening step of this sheet material the themoplasticity synthetic resin sheet material is carried out
Heat and soften;
Sheet material is close to step, is close to the above-mentioned synthetic resin sheet material that will be softened in the step at this sheet material and clings on the lightweight tray die for manufacturing, and wherein, this lightweight tray die for manufacturing comprises: the mould board is formed for the substrate of vacuum forming lightweight tray; Protrusion is formed on the above-mentioned mould board, makes above-mentioned lightweight tray possess outstanding rib; The protrusion deflation hole connects above-mentioned mould board and forms along above-mentioned protrusion; Depressed part is formed on the midway location of the length direction of above-mentioned protrusion, so that the midway location of the length direction of the above-mentioned rib of thermal welding; And the depressed part deflation hole, connect above-mentioned mould board along the bottom surface of above-mentioned depressed part and form;
Steps of exhausting, in this steps of exhausting, be sealed and installed with after the vacuum forming machine of above-mentioned mould, discharge the air in the above-mentioned vacuum forming machine and on above-mentioned synthetic resin sheet material, form outstanding rib, the midway location of the above-mentioned rib of thermal welding by above-mentioned protrusion deflation hole is rapid by the residual air on the above-mentioned depressed part of the rapid discharge of above-mentioned depressed part deflation hole; And
The tray completing steps after cooling forming is the sheet material of above-mentioned tray shape in this tray completing steps, makes this sheet material from above-mentioned mould separating.
19. lightweight tray manufacture method according to claim 18 is characterized in that,
Above-mentioned depressed part deflation hole is made of along parallel two holes that form of the length direction of above-mentioned protrusion the bottom surface at above-mentioned depressed part.
20. lightweight tray manufacture method according to claim 18 is characterized in that,
The rib that forms by above-mentioned discharge step has a plurality of circles or polygon rib and the above-mentioned circle between connection on two above directions is inside and outside or the connection rib of polygon rib that inside and outside dual forms, and be shaped to the shape that supports above-mentioned lightweight tray
The two sides of above-mentioned rib are heat fused in the midway location of the length direction of above-mentioned each rib, and above-mentioned each rib is shaped to the shape that length direction or above-below direction is had cohesiveness.
CN2010800051747A 2009-09-29 2010-09-29 Lightweight pallet, mold for producing lightweight pallets, and method for producing lightweight pallets using the mold Pending CN102292267A (en)

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CN105705423A (en) * 2013-11-14 2016-06-22 株式会社大福 Baggage conveyance tray

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KR101186180B1 (en) 2012-10-02

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