CN213503421U - Cell tray for polystyrene plastic composite rubber - Google Patents

Abstract

The utility model relates to an electric core tray for polystyrene plastic composite rubber, which comprises a plastic-absorbing body formed by two materials through double-layer co-extrusion compounding, wherein a plurality of grooves for placing electric cores are arranged on the plastic-absorbing body, and the two layers of the plastic-absorbing body are respectively a first plastic-absorbing layer and a second plastic-absorbing layer; wherein the first plastic-absorbing layer (1) is modified composite rubber, and the second plastic-absorbing layer (2) is a polystyrene sheet. The cell tray applied by the polystyrene plastic composite rubber effectively utilizes the respective advantages of two different materials, wherein the polystyrene plastic sheet enables the cell tray to have better supporting strength, the modified composite rubber enhances the performances of skid resistance, shock absorption, friction resistance, toughness, static resistance and the like, and the protection of the cell tray on a cell product is increased; compared with the traditional battery cell tray, the battery cell tray applied to the polystyrene plastic composite rubber has the advantages that the service life of the tray is greatly prolonged, the recycling times are increased, and energy conservation and emission reduction are realized.

Description

Cell tray for polystyrene plastic composite rubber

The technical field is as follows:

the utility model relates to a plastic uptake technical field, especially a polystyrene class plastics composite rubber uses electric core tray.

Background art:

with globalization and nationalization of the contemporary internet, the living standard of people is improved; more and more electronic products come into our lives; the demand of battery cells of electronic products is increasing day by day. Various trays for packaging electric core products in the market are usually formed by heating and vacuum forming materials such as PS, PET and the like in a mould, but the tray formed by single traditional sheet vacuum forming has higher surface hardness and poorer anti-skid and shock-absorbing performance; when the product is highly required to antiskid shock attenuation nature etc, the tray of traditional material blister hardly satisfies the requirement.

The utility model has the following contents:

the utility model aims to solve the technical problems and provide an electric core tray applied by polystyrene plastic compounded rubber, which has reasonable design and better support and surface antiskid and shock absorption performances; not only the strength of the battery cell tray is enhanced, but also the product protection of the battery cell tray is increased.

In order to solve the above technical problem, the utility model discloses a technical scheme is:

the utility model discloses a cell tray for polystyrene plastic composite rubber, which comprises a first plastic-absorbing layer of modified composite rubber, wherein the lower surface of the first plastic-absorbing layer is provided with a second plastic-absorbing layer made of polystyrene plastic; the first plastic-absorbing layer and the second plastic-absorbing layer are compounded by double-layer co-extrusion equipment, and then the plastic-absorbing machine forms a thin-shell-shaped battery cell tray.

Furthermore, the upper surface of the battery cell tray is provided with a plurality of grooves for embedding the battery cells, and the peripheral walls of the grooves are provided with positioning blocks for limiting the battery cells.

Further, the adjacent grooves are communicated with each other to facilitate grabbing, and the side wall of each groove is provided with a pit for preventing extrusion.

Further, the lateral part all around of above-mentioned recess is the inclined plane, and the inclination is not only do benefit to the drawing of patterns for the design of 7~10, and is more reasonable in piling up moreover.

Further, the mass of the modified composite rubber of the first plastic-absorbing layer accounts for about 15-17% of the total pallet, and the mass of the polystyrene of the second plastic-absorbing layer accounts for about 83-85% of the total pallet.

Compared with the prior art, the utility model discloses electric core tray is used to polystyrene class plastics compounded rubber has following beneficial effect: the utility model provides a plastic uptake body which comprises a double-layer co-extrusion material composite together, polystyrene sheets provide rigidity strength and dimensional stability, and the modified compound rubber enhances the performances of antiskid, shock absorption, friction resistance, toughness, static resistance and the like; therefore, the respective advantages of the two materials can be effectively utilized, and the polystyrene plastic composite rubber applied to the battery cell tray has better support and surface antiskid, shock absorption and wear resistance; not only the strength of the plastic uptake box is enhanced, but also the protection of the plastic uptake box to the product is increased.

Description of the drawings:

fig. 1 is a schematic perspective view of a cell tray for polystyrene-based plastic composite rubber of the present invention;

fig. 2 is a schematic view of a top view structure of a cell tray for polystyrene plastic composite rubber of the present invention;

FIG. 3 is a schematic cross-sectional view taken along side A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic cross-sectional structure diagram of a double-layer sheet provided by the present invention;

fig. 5 is a perspective view of an embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, it shows that the utility model provides a pair of cell tray 111 is used to polystyrene system plastic composite rubber, this cell tray 111 includes that two kinds of different materials are through the plastic uptake body of coextruding complex together, owing to adopt double-deck plastic uptake layer to make to not only guaranteed the intensity of cell tray 111 is used to polystyrene system plastic composite rubber, still made it have better surface antiskid shock attenuation wearability, antistatic properties, be used for transporting and storing this kind of product of electric core.

In this embodiment, the first plastic-absorbing layer (1) is made of modified compounded rubber (70% by weight of permanent compounded rubber master batch, 18% by weight of black master batch and 12% by weight of rubber), and the second plastic-absorbing layer (2) is made of Polystyrene (Polystyrene, abbreviated as PS) which is a polymer synthesized by free radical addition polymerization of styrene monomer and is a colorless transparent thermoplastic plastic.

The first plastic-absorbing layer (1) is made of modified composite rubber, the second plastic-absorbing layer (2) is made of polystyrene plastic sheets, the sheets are compounded into sheets through double-layer coextrusion, then a plastic-absorbing forming machine is used for forming the polystyrene plastic composite rubber application battery cell tray, and a plurality of grooves 10 for placing battery cells are arranged on the upper surface array of the battery cell tray.

A positioning block A1 is arranged on the peripheral wall of the groove 10 and used for fixing the battery cell product; the side wall of the groove 10 is provided with a pit A2 which can improve the supporting strength; the adjacent grooves 10 are provided with communicated open grooves A3, and lithium batteries can be conveniently taken and placed through the open grooves A3; the central wall thickness of the plastic absorption body is not less than 0.8mm, so that strength support is ensured; and a chamfer angle R0.5 is not injected, the inclination of a drawing die is 7-10 degrees, and the phenomenon of a chuck when the cell trays are stacked together is reduced.

Polystyrene-based plastics are hard and brittle, have no extensibility, and break when stretched to near the yield point. The tensile strength and flexural strength of polystyrene are highest in general purpose thermoplastics, and the tensile strength can reach 60 MPa. But polystyrene has poor abrasion resistance and general creep resistance. The modified composite rubber has the characteristics of skid resistance, shock absorption, wear resistance, static resistance and the like, scratch resistance and chip falling resistance; just integrates the defects of polystyrene plastics. The modified composite rubber of the first plastic-absorbing layer (1) and the polystyrene plastic of the second plastic-absorbing layer (2) form a polystyrene plastic composite rubber application battery cell tray 111 which can effectively prevent external abrasion and can effectively protect internal products.

The utility model discloses an electricity core tray is used to polystyrene system plastics compounded rubber not only has good performances such as dampproofing, dustproof, wear-resisting and shock attenuation, and the depositing and the transportation of fine protection electric core product satisfy in many-sided demand. Meanwhile, the recycling times are greatly increased, and the effects of energy conservation and emission reduction are achieved.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (5)

1. The utility model provides a polystyrene class plastics composite rubber uses electric core tray which characterized in that, includes and makes first blister layer by modified composite rubber, the lower surface on first blister layer has the second blister layer of making by polystyrene class plastics, first blister layer and second blister layer pass through double screw coextrusion technology bilayer and compound, form thin shell form's electric core tray by the plastic uptake machine plastic uptake again.

2. The polystyrene-based plastic composite rubber application cell tray of claim 1, wherein a plurality of grooves for embedding cells are arrayed on the upper surface of the cell tray, and the peripheral wall of each groove is provided with a positioning block for limiting the cells.

3. The polystyrene based plastic composite rubber application cell tray as claimed in claim 2, wherein, a communication groove for facilitating grabbing is arranged between adjacent grooves, and the side wall of each groove is provided with a dent for preventing extrusion.

4. The cell tray for polystyrene-based plastic composite rubber according to claim 2, wherein the side of the groove is an inclined surface with a slope of 7-10 ° which is not only beneficial to demolding but also more reasonable in stacking.

5. The cell tray for polystyrene-based plastic composite rubber application of claim 1, wherein the modified composite rubber of the first plastic-absorbing layer accounts for about 15-17% of the total tray by mass, and the polystyrene of the second plastic-absorbing layer accounts for about 83-85% of the total tray by mass.

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