CN202414322U

CN202414322U - Tray

Info

Publication number: CN202414322U
Application number: CN2011204780517U
Authority: CN
Inventors: 吉永丰弘
Original assignee: NEW TIMES PACKAGE HONGKONG CO Ltd
Current assignee: NEW TIMES PACKAGE HONGKONG CO Ltd
Priority date: 2011-11-25
Filing date: 2011-11-25
Publication date: 2012-09-05
Anticipated expiration: 2021-11-25

Abstract

The utility model discloses a tray, which comprises a shell made of HIPS (High Impact Polystyrene), PVC (Poly Vinyl Chloride), PET (Polyethylene Glycol Terephthalate), PC (Poly Carbonate) or ABS (Acrylonitrile Butadiene Styrene) materials, wherein the shell comprises a bottom shell and an upper cover combined on the bottom shell; the bottom shell is provided with a surface plate part; a plurality of hollow supporting legs are formed by downwards sinking from the surface plate part; and an inner core which is prepared and thermally formed by EPS (Expandable Polystyrene) foam and is sintered with the inner surfaces of the bottom shell and the upper cover is formed on the shell. The shell and the inner core of the tray have good combining strength so as to effectively avoid the situation that the shell and the inner core are separated in the tray using process, and the quality of the tray is guaranteed.

Description

A kind of pallet

Technical field

The utility model relates to a kind of transfer cask, refers in particular to a kind of pallet.

Background technology

In order more effectively to transport goods, generally use pallet to be used for the support goods, so that use fork truck to carry out the carrying or the loading and unloading of goods.Traditional pallet is for adopting the wooden carriage of timber preparation, there is moisture-sensitive, damages by worms, shortcoming such as not environmental protection, and progressively replaced by plastic pallet.Common plastic pallet prepares for adopting the plastic material single injection-molded; As State Intellectual Property Office in April in 2006 Granted publication on the 5th the patent No. be that the utility model patent of ZL20052002995.6 promptly discloses a kind of injection molded plastic pallet of high-density polyethylene material one that adopts, the plastic pallet of this kind material preparation exists that environmental stress crack resistance is bad, the defective of heat-resistant aging difference.

The application number that State Intellectual Property Office announced on March 9th, 2011 is that 201010502168.4 application for a patent for invention promptly discloses a kind of aviation pallet and manufacturing approach thereof; It is with the one-body molded EPS plate that has pillar stiffener of processing of eps foam mold pressing; Fixedly be attached with the PET film of EVA glue-line again in the surface of this EPS plate; Inhale into vacuum through vacuum plastic-absorbing machine with between PET film and the EPS plate then, utilize bar pressure that PET film and EPS plate are closely pasted through the EVA glue-line.Than the plastic pallet that uses the preparation of high-density polyethylene material integrated injection molding; It has the characteristic of light weight, good heat-insulation effect as the EPS plate of inner core; And its PET film as shell has the good mechanical performance; Can overcome EPS plate impact resistance, the relatively poor deficiency of pull resistance in it, make pallet both possess the advantage of light weight, have shock-resistant, anti-good mechanical performance such as draw again.Yet; In the structure of this pallet; The PET film is pasted on the outside face of EPS plate for adopting the EVA glue-line through vacuum forming, under rugged environment relatively, causes inner core to separate with shell easily; Thereby reduce the impact strength of pallet, the increasing pallet in use ruptures, the possibility of fragmentation.

Summary of the invention

The utility model technical matters to be solved exists inner core and the segregative defective of shell for existing pallet, but a kind of inner core and shell good combination is provided in view of the above and not segregative pallet.

For solving the problems of the technologies described above; The utility model adopts the technical scheme that is described below: a kind of pallet; It includes the shell of an employing HIPS, PVC, PET, PC or ABS material preparation; Said shell includes the loam cake that a drain pan and is combined in said drain pan; Said drain pan has a flat part, and is recessed downwards and be formed with the feet of a plurality of hollows from said flat part, is formed with one in said shell and adopts the eps foam Heat forming inner core with inside face clinkering said drain pan and loam cake preparation.

In the above-mentioned pallet; Said drain pan extends upward along the periphery of its flat part and is formed with a drain pan lateral margin perpendicular to said flat part; And said loam cake extends to form a loam cake lateral margin perpendicular to said loam cake downwards along its periphery; Said inner core protrudes from the drain pan lateral margin of said drain pan, fits in the top in the bottom that said loam cake lateral margin is inboard and the drain pan lateral margin outside.

In the above-mentioned pallet, be formed with nine feets on the said drain pan, nine feets are triplex row three column distributions.

In the above-mentioned pallet, at least one lateral surface place of each feet is formed with groove.

In the above-mentioned pallet, four lateral surfaces of each feet all are formed with groove, and the groove on the two opposite outer face is claimed against each other.

In the above-mentioned pallet, the flat part upper surface place of said drain pan is formed with the reinforced rib of linearity between two adjacent feets.

In the above-mentioned pallet, the flat part upper surface place of said drain pan is formed with the reinforced rib of ring-type between four feets.

The useful technique effect of the utility model is: because the inner core of this pallet is sintered at the inside face of drain pan, loam cake; Combining closely of inner core behind realization shell and the cooling forming; Than the bonding mode of existing employing EVA glue-line; It can increase substantially the anchoring strength of shell and inner core, avoids pallet that the situation that shell and inner core break away from use takes place effectively, has guaranteed the quality of pallet.

Description of drawings

Fig. 1 is the perspective view of the utility model pallet.

Fig. 2 is the sectional structure scheme drawing of the utility model pallet.

Fig. 3 is the structural representation of the lower casing of the utility model pallet.

Fig. 4 is the manufacturing process flow diagram of the utility model pallet.

The specific embodiment

For making those of ordinary skill in the art be expressly understood purpose, technical scheme and the advantage of the utility model more, the utility model is done further elaboration below in conjunction with accompanying drawing and embodiment.

Pallet disclosed in the utility model is a kind of plastic pallet, and it is designed to have the rectangular plate shape structure of feet, and referring to figs. 1 to shown in Figure 3, this pallet includes one and adopts polyvinylchloride (Polyvinylchloride; PVC) shell 10 of material preparation and adopts expandable polystyrene (Expandable Polystyrene; EPS) inner core 20 of foamed materials foaming in this shell 10.This shell 10 includes a drain pan 100 and and covers the loam cake 101 on this drain pan 100, and wherein, this drain pan 100 has a flat part 102, is formed with the feet 103 of a plurality of hollows from these flat part 102 downward being recessed into.A plurality of feets 103 are three column distributions, supply the insertion groove S that inserts in the yoke of fork truck and be disbursed from the cost and expenses between the spike 103 to form two, and fork truck easy to use forks pallet and carries or load and unload the goods that is fixed on the pallet.

In the embodiment shown in the figures; Be formed with 103, nine feets 103 of nine feets on this drain pan 100 and be triplex row three column distributions, and two be disbursed from the cost and expenses between the spike 103 and two row feets 103 between all form insertion groove S; So; Operating personal can be controlled fork truck from the four direction insertion and conveying tray of pallet when transportation/loading and unloading operation, and need not consider too much can improve goods transport/loading and unloading operation efficient effectively by the modes of emplacement of pallet.

Eps foam is successively with drain pan 100 and loam cake 101 foamings; And after cooling, form the inner core 20 that the shell 10 that is made up of this drain pan 100 and loam cake 101 is coated;, the eps foam bead can be sintered at the inside face of drain pan 100, loam cake 101 because expanding under heating condition; Realize both combine closely of inner core 20 behind shell 10 and the cooling forming, than the bonding mode of existing employings EVA glue-line, it can increase substantially the anchoring strength of shell 10 and inner core 20; Avoid pallet that the situation that shell and inner core break away from use takes place effectively, guaranteed the quality of pallet.

In order to strengthen the structural strength of pallet, be formed with groove 104 at least one lateral surface place of feet 103.In this preferred embodiment, four lateral surfaces of each feet 103 all are formed with groove 104, and the groove on the two opposite outer face 104 is claimed against each other.

Preferably, the flat part 102 upper surface places of this drain pan 100 are formed with the reinforced rib 105 of linearity between two adjacent feets 103, between four feets 103, then are formed with the reinforced rib 106 of ring-type.By the setting of above-mentioned linearity reinforced rib 105 and cyclic reinforcing rib 106, can further increase the structural strength of drain pan 100, and then increase the overall construction intensity of pallet.

Consult Fig. 2; This drain pan 100 extends upward along the periphery of its flat part 102 and is formed with a drain pan lateral margin 107 perpendicular to this flat part 102; And this loam cake 101 extends to form a loam cake lateral margin 108 perpendicular to this loam cake 101 downwards along its periphery, and this inner core 20 protrudes from the drain pan lateral margin 107 of this drain pan 100, and this loam cake 101 is covered on the drain pan 100; Fit in the bottom of loam cake lateral margin 108 inboards and the top in drain pan lateral margin 107 outsides; Like this, can increase inner core 20 and increase both anchoring strengths with the clinkering area of loam cake 101, guarantee that also inner core 20 is entirely 10 coatings of shell.Usually, the height of this drain pan lateral margin 107 is designed to 1～3 and is advisable, and these inner core 20 protrusions 1～3cm is advisable, and the height of this loam cake lateral margin 108 then is designed to 3～5cm and is advisable.

In the above embodiments, the drain pan 100 that constitutes shell 10 is employing PVC material preparation with loam cake 101, yet, in other embodiment, also can adopt high impact polystyrene (High Impact Polystyrene; HIPS), polyethylene terephthalate (Polyethylene Terephthalate; PET), polycarbonate (Polycarbonate; PC) or acrylonitrile-styrene-butadiene copolymer (Acrylonitrile Butadiene Styrene; ABS) material preparation.Consider based on combined factors such as product rigidity, formability, cost, environment-friendly types, preferably use the shell 10 of PVC or ABS material the utility model.

Below in conjunction with Fig. 4 so that the manufacturing process of pallet disclosed in the utility model to be described.

Process drain pan 100 and loam cake 101 (step S10) at first, respectively.This drain pan 100 can select for use PVC, HIPS, PET, PC or ABS material through the plastic uptake prepared with loam cake 101, preferably uses PVC or ABS material.

Drain pan 100 is positioned in the forming mould of eps foam make-up machine, matched moulds also is packed into EPS bead (step S11) in the die cavity of forming mould.In this step, can use venturi action equipment (for example material filling rifle) that the EPS bead is blown in the die cavity of forming mould, to be full of this die cavity.Preferably, the EPS bead has passed through prefoam and maturation process.

Heat so that EPS bead foaming and intumescing and form inner core 20, with the inside face clinkering of drain pan 100, after carry out cooling processing (step S12).In this step; The water vapour that can in forming mould, feed 100～120 ℃ heated 1～2 minute, to heat the EPS bead in it, made it foaming and intumescing to the space of filling up to each other; And the uniform inner core 20 of bonding one-tenth, be adhered to simultaneously on the inside face of drain pan 100.Forming mould generally adopts the double wall mould, and the space between its double wall forms steam chamber, and is formed with pore on the inwall, and hi-heat water vapour feeds the space between the double wall, and gets in the die cavity, so that the EPS bead in it is heated through pore.Behind Heat forming inner core 20, water-cooled was cooled off in 0.5～1 minute, so that the dimensionally stable of inner core 20.

Be opened into type die, loam cake 101 location be combined in back matched moulds on the drain pan 100, heat once more make the EPS bead once more foaming and intumescing and with loam cake 101 clinkerings, after carry out cooling processing (step S13).In this step, the water vapour that can in forming mould, feed 100～120 ℃ heated 1～2 minute, and in cooling step after this, water-cooled 0.5～1 minute.

At last, the demoulding and process pallet (step S14).

In the step S12 of above-mentioned preparation inner core 20; Made inner core 20 protrudes from place, the drain pan lateral margin 107 upper ends plane 1～3cm of drain pan 100; Like this; In step S13, the projection of inner core 20 can form bonding with loam cake lateral margin 108 medial surfaces of loam cake 101, to guarantee the anchoring strength of loam cake 101 and inner core 20.

In the embodiment shown in fig. 5, prior to processing inner core 20 on the drain pan 100, again in inner core 20 combination loam cakes 101; One of ordinary skill in the art will appreciate that ground; In other embodiment, also can on this inner core 20, make up drain pan 100 again prior to processing inner core 20 on the loam cake 101.

The above is merely the preferred embodiment of the utility model, but not the utility model is done any pro forma restriction.Those skilled in the art can impose various changes that are equal to and improvement on the basis of the foregoing description, all equivalent variations or modifications of in the claim scope, being done all should fall within the protection domain of the utility model.

Claims

1. pallet; It is characterized in that: said pallet includes the shell (10) of an employing HIPS, PVC, PET, PC or ABS material preparation; Said shell (10) includes the loam cake (101) that a drain pan (100) and is combined in said drain pan (100); Said drain pan (100) has a flat part (102); Recessed downwards and be formed with the feet (103) of a plurality of hollows from said flat part (102), be formed with one in said shell (10) and adopt the eps foam Heat forming inner core (20) with inside face clinkering said drain pan (100) and loam cake (101) preparation.

2. pallet as claimed in claim 1; It is characterized in that: said drain pan (100) extends upward along the periphery of its flat part (102) and is formed with a drain pan lateral margin (107) perpendicular to said flat part (102); And said loam cake (101) extends to form a loam cake lateral margin (108) perpendicular to said loam cake (101) downwards along its periphery; Said inner core (20) protrudes from the drain pan lateral margin (107) of said drain pan (100), fits in the top in the bottom that said loam cake lateral margin (108) is inboard and drain pan lateral margin (107) outside.

3. pallet as claimed in claim 1 is characterized in that: be formed with nine feets (103) on the said drain pan (100), nine feets (103) are triplex row three column distributions.

4. pallet as claimed in claim 1 is characterized in that: at least one lateral surface place of each feet (103) is formed with groove (104).

5. pallet as claimed in claim 4 is characterized in that: four lateral surfaces of each feet (103) all are formed with groove (104), and the groove on the two opposite outer face (104) is claimed against each other.

6. pallet as claimed in claim 1 is characterized in that: flat part (102) the upper surface place of said drain pan (100) is positioned at the reinforced rib (105) that is formed with linearity between adjacent two feets (103).

7. pallet as claimed in claim 3 is characterized in that: flat part (102) the upper surface place of said drain pan (100) is positioned at the reinforced rib (106) that is formed with ring-type between four feets (103).