A high-strength, high-elasticity double-density in-mold foamed rubber-plastic tray and its manufacturing process

A dual-density, high-density technology, used in rigid containers, other household appliances, packaging, etc., can solve the problems of poor shock absorption, high cost, energy consumption, etc., achieve high bonding strength, eliminate transportation costs, and increase elasticity. Effect

Active Publication Date: 2020-12-25
东营睿港招商服务有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to overcome the problems of poor damping effect of rubber and plastic trays in the prior art, separate injection and vulcanization of double-density trays, energy consumption, time-consuming, and high cost problems, the present invention provides a high-strength and high-elasticity double-density in-mold foaming Rubber-plastic tray and its manufacturing process

Method used

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  • A high-strength, high-elasticity double-density in-mold foamed rubber-plastic tray and its manufacturing process
  • A high-strength, high-elasticity double-density in-mold foamed rubber-plastic tray and its manufacturing process
  • A high-strength, high-elasticity double-density in-mold foamed rubber-plastic tray and its manufacturing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The high-strength, high-elasticity dual-density foamed rubber-plastic tray in the mold of the present embodiment, such as figure 1 , 2 As shown, it includes a high-density outer layer 61 and a low-density inner layer 62, which is an integrated structure that is released from the same mold; the materials of the high-density outer layer 61 and the low-density inner layer 62 are high-density rubber and low-density rubber, respectively. Rubber material, the low-density inner layer 62 is also evenly embedded with spring supports 63 vertically and evenly distributed vertically to the horizontal plane of the tray body 6, and 3 to 6 spring supports 63 can be arranged to play a role of skeleton support, similar to steel bars in concrete , The spring elasticity can be selected to be consistent with the low-density rubber elasticity to strengthen the support strength of the low-density inner layer and slow down the elastic fatigue attenuation caused by frequent deformation of the ...

Embodiment 2

[0063] The basic structure of the high-strength, high-elasticity double-density in-mold foamed rubber-plastic tray of this embodiment is the same as that of Embodiment 1, and the improvement is that connecting plates 64 are fixed at both ends of the spring support 63, and the connecting plates 64 connect the spring support 63 After being connected together, they are distributed in a criss-cross pattern, which is convenient for the spring support to be preset and fixed in the mold synchronously. The spring support 63 can be preset before the rubber is vulcanized. The connecting plate 64 is close to the high-density outer layer 61, which can effectively improve the spring support. The bonding strength with rubber, the rubber can be embedded in the spring gap, and can recover synchronously with the spring elasticity; for example Figure 4 , 5 As shown, the compression molding and foam vulcanization device 3 includes a clamping oil cylinder 31, an upper half mold 33, a lower half ...

Embodiment 3

[0082] The high-strength, high-elasticity dual-density in-mold foamed rubber-plastic tray of this embodiment has the same basic structure as that of Embodiment 2;

[0083] In the high-strength, high-elasticity dual-density in-mold foamed rubber-plastic pallet of the present embodiment, the low-density rubber component formula and its respective parts by weight include: 55 parts of composite rubber, 60 parts of regenerated rubber, 5 parts of carbon black, butadiene rubber 8 parts, 0.5 parts of polyethylene glycol, 1.8 parts of composite accelerator, 0.7 parts of stearic acid, 5 parts of zinc oxide, 3.8 parts of composite vulcanizing agent. Composite rubber is the composition of naphthenic oil, butyl rubber, butadiene rubber, natural rubber, white carbon black, black carbon black N330, stearic acid, zinc oxide and secondary K plastic; the carbon black is carbon black N330; the polyethylene glycol is PEG-4000; the composite accelerator is the composition of 0.8 parts by weight of...

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Abstract

The invention discloses a high-strength high-elasticity dual-density in-mold foaming rubber-plastic tray and a manufacturing process of the high-strength high-elasticity dual-density in-mold foaming rubber-plastic tray, and belongs to the technical field of rubber product processes. The high-strength high-elasticity dual-density in-mold foaming rubber-plastic tray comprises a high-density outer layer and a low-density inner layer, and is of an integrated structure with the same mold for discharging. The high-density outer layer and the low-density inner layer are made of high-density rubber materials and low-density rubber materials correspondingly. Spring supports distributed vertically and / or transversely and perpendicular to the horizontal plane of a tray body are uniformly embedded inthe low-density inner layer. In addition, a dual-density bi-directional injection in-mold forming-vulcanizing tray production system is applied to complete dual-density glue bi-directional injection,foaming and vulcanizing processes in one mold and obtain the manufactured tray. The problems of the insufficient elasticity of a rubber tray, the separate operation of injection, foaming and vulcanizing of a dual-density tray, energy consumption, time consumption and the high cost are solved.

Description

technical field [0001] The invention belongs to the technical field of rubber products, and in particular relates to a high-strength, high-elasticity double-density in-mold foamed rubber-plastic tray and a manufacturing process thereof. Background technique [0002] The Chinese national standard "Logistics Terminology" defines a pallet as: a horizontal platform device for placing goods and products as a unit load for assembly, stacking, handling and transportation. As a kind of loading equipment similar to containers, pallets have been widely used in production, transportation, warehousing and circulation and other fields. [0003] Pallets generally have an upper plate and feet or beams below the upper plate, and some pallets also have a lower plate connected under the feet or beams. According to the shape of the pallet, it can be divided into flat type and grid type according to the shape of the flat plate; it can be divided into single-sided pallet and double-sided pallet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/16B29C45/26B29C45/34B29C45/67B29C35/04B29C33/76B65D19/24
CPCB29C33/76B29C35/045B29C45/162B29C45/1628B29C45/2606B29C45/2681B29C45/34B29C45/67B29L2031/7178B65D19/0012B65D2519/00034B65D2519/00268
Inventor 叶孙勇葛九敢黎广唐帆蒋水金王闯赵正路丽珠陶克军雷巍
Owner 东营睿港招商服务有限责任公司
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