阅读说明：本技术 一种高性能纤维增强组合式塑料托盘及其制备方法 (High-performance fiber-reinforced combined plastic tray and preparation method thereof ) 是由 罗作喜 于 2020-08-26 设计创作，主要内容包括：本发明涉及塑料托盘技术领域,尤其是涉及一种可全部回收利用,且具有高强度、高刚度、高抗冲击性能和长寿命的高性能纤维增强塑料托盘及其制备方法,为了提升普通塑料托盘的强度、刚度和抗冲击性,本发明提出采用高性能纤维增强塑料托盘,可实现强度提升30％以上,刚度提升30％以上,抗冲击性能提升30％以上,托盘载物能力提升35％以上；经历极限荷载后,变形自恢复速度快,且塑性变形量小,仅为普通托盘的1/3。同时废弃的纤维增强塑料托盘可完全回收再生为颗粒料,颗粒中的连续纤维继续发挥桥连作用,保证颗粒料性能不降低；加工成托盘,可实现完全循环利用,最大限度减少浪费,绿色环保,具有良好的经济效益和社会效益。(The invention relates to the technical field of plastic trays, in particular to a high-performance fiber reinforced plastic tray which can be completely recycled and has high strength, high rigidity, high impact resistance and long service life and a preparation method thereof, and in order to improve the strength, the rigidity and the impact resistance of a common plastic tray, the invention provides that the high-performance fiber reinforced plastic tray is adopted, the strength can be improved by more than 30 percent, the rigidity can be improved by more than 30 percent, the impact resistance can be improved by more than 30 percent, and the carrying capacity of the tray can be improved by more than 35 percent; after the tray is subjected to the ultimate load, the deformation self-recovery speed is high, and the plastic deformation amount is small, and is only 1/3 of the common tray. Meanwhile, the waste fiber reinforced plastic tray can be completely recycled and regenerated into granules, and continuous fibers in the granules continue to play a bridging role, so that the performance of the granules is not reduced; the tray is processed, so that complete recycling can be realized, waste is reduced to the maximum extent, and the tray is green and environment-friendly and has good economic and social benefits.)

1. The utility model provides a high performance fiber reinforcement combination formula plastics tray which characterized in that, includes integrative injection moulding's fiber reinforcement panel and fiber reinforcement foot mound, the fiber reinforcement foot mound set up the bottom of fiber reinforcement panel and with the fiber reinforcement panel between reserve the fork truck hole that is used for fork truck's gear shaping to insert.

2. The high performance fiber reinforced modular plastic pallet of claim 1, further comprising fiber reinforced anti-collision beads mounted around the fiber reinforced panel by a snap fit.

3. The method for preparing the high-performance fiber-reinforced composite plastic pallet of claim 1 or 2, comprising the steps of:

1) weighing the fiber reinforced plastic particles, the common plastic particles and the auxiliary agent according to the following mass parts for compounding: 20-80 parts of fiber reinforced plastic particles; 15-70 parts of common plastic particles; 2.5-5 parts of an auxiliary agent;

2) the components after being compounded are subjected to injection molding under the injection molding condition of 190-220 ℃.

4. The preparation method of the high-performance fiber-reinforced combined type plastic tray according to claim 3, wherein the fiber-reinforced plastic particles are obtained by adding continuous fibers into thermoplastic resin and then infiltrating the thermoplastic resin with an impregnating agent, wherein the mass fraction of the continuous fibers is 2-40%.

5. The method for preparing a high-performance fiber-reinforced composite plastic pallet according to claim 4, wherein the thermoplastic resin is a polyethylene resin, a polypropylene resin or a nylon resin.

6. The method of manufacturing a high performance fiber reinforced composite plastic pallet according to claim 4, wherein the continuous fibers are glass fibers, basalt fibers, aramid fibers, PVA fibers, or carbon fibers.

7. The method for preparing the high-performance fiber-reinforced combined type plastic tray as claimed in claim 4, wherein the impregnating compound is one or a combination of more than two of butyl titanate, paraffin or talcum powder.

8. The method for preparing the high-performance fiber-reinforced combined plastic tray as claimed in claim 3, wherein the auxiliary agent comprises one or more of slip agent, wear-resistant agent and anti-blocking agent.

9. The preparation method of the high-performance fiber-reinforced combined plastic tray as claimed in claim 4, wherein the fiber-reinforced plastic particles are further added with a toughening agent with a mass fraction of 2-4%.

10. The method for preparing the high-performance fiber-reinforced combined plastic tray according to claim 8, wherein the toughening agent is nano calcium carbonate, acrylonitrile-butadiene-styrene plastic, ethylene-vinyl acetate copolymer or ethylene-acrylic acid copolymer.

Technical Field

The invention relates to the technical field of plastic trays, in particular to a high-performance fiber reinforced plastic tray which can be completely recycled and has high strength, high rigidity, high impact resistance and long service life and a preparation method thereof.

Background

The plastic pallet is a logistics unit matched with logistics equipment such as a forklift, a goods shelf and the like for use, and can be used for storing, loading and carrying goods. The plastic tray has the advantages of light weight, easy design, water resistance, moisture resistance, no toxicity, no harm, no corrosion, no combustion supporting, pollution resistance, easy cleaning, excellent chemical characteristics, high cost performance and the like. With the development of the logistics and warehousing industry, as 2017, the quantity of Chinese pallets reaches 12.63 hundred million, plastic pallets account for 15%, and the quantity of the plastic pallets steadily increases according to the trend of 5% every year.

However, the existing plastic trays have the defects of low quality, easy damage, low bearing performance, poor rigidity, few turnover times and the like, for example, in the daily loading and unloading process, the corners of the trays are easy to be brittle-broken due to improper operation, impact and rough placement force of a forklift; meanwhile, the plastic tray has the phenomena of rigidity reduction, overlarge deformation and the like after being used for a period of time, and the service life of the plastic tray is greatly shortened. In addition, the existing plastic pallet produced by recycling waste plastic into plastic particles has low manufacturing quality, unstable material, poor heat resistance and easy aging, and the plastic pallet produced by using the recycled material has serious quality problems in the aspects of mechanical and mechanical properties, toughness, stability and the like and has larger potential safety hazard.

Disclosure of Invention

The invention aims to provide a high-performance fiber reinforced plastic tray which can be completely recycled, has high strength, high rigidity, high impact resistance and long service life, and effectively solves the problems of low quality, large deformation, brittle fracture of corners, few turnover times and the like of the plastic tray in the using process, aiming at the problems of low strength, poor rigidity, weak impact resistance, short service life, low recycling rate and the like of the common plastic tray in the prior art.

The invention also aims to provide a preparation method of the high-performance fiber reinforced combined plastic tray.

The invention realizes the purpose by the following technical scheme:

the utility model provides a high performance fiber reinforcement combination formula plastics tray, includes integrative injection moulding's fiber reinforcement panel and fiber reinforcement foot mound, the fiber reinforcement foot mound set up the bottom of fiber reinforcement panel and with the fiber reinforcement panel between reserve the fork truck hole that is used for fork truck's gear shaping to insert.

Further, still include fibre reinforcement anticollision safe edge, fibre reinforcement anticollision safe edge passes through the buckle and installs around the fibre reinforcement panel.

A preparation method of a high-performance fiber-reinforced combined plastic tray comprises the following steps:

1) weighing the fiber reinforced plastic particles, the common plastic particles and the auxiliary agent according to the following mass parts for compounding: 20-80 parts of fiber reinforced plastic particles; 15-70 parts of common plastic particles; 2.5-5 parts of an auxiliary agent;

2) the components after being compounded are subjected to injection molding under the injection molding condition of 190-220 ℃.

The fiber reinforced plastic particles are obtained by adding continuous fibers into thermoplastic resin and then infiltrating the thermoplastic resin with an impregnating agent, wherein the mass fraction of the continuous fibers is 2-40%.

Preferably, the thermoplastic resin is a polyethylene resin, a polypropylene resin, or a nylon resin.

Preferably, the continuous fibers are glass fibers, basalt fibers, aramid fibers, PVA fibers, or carbon fibers.

Preferably, the impregnating compound is one or a combination of two or more of butyl titanate, paraffin or talcum powder.

Preferably, the auxiliary agent comprises any one or a mixture of more than two of a slip agent, an anti-wear agent and an anti-blocking agent.

Furthermore, the fiber reinforced plastic particles are also added with a toughening agent with the mass fraction of 2-4%.

Preferably, the toughening agent is nano calcium carbonate, acrylonitrile-butadiene-styrene plastic, ethylene-vinyl acetate copolymer or ethylene-acrylic acid copolymer.

Compared with the prior art, the invention has the beneficial effects that:

according to the high-performance fiber-reinforced combined type plastic tray, the strength and rigidity of the whole tray are tested according to GB/T4996-; after the tray is subjected to the ultimate load, the deformation self-recovery speed is high, and the plastic deformation amount is small, and is only 1/3 of the common tray.

The high-performance fiber reinforced combined plastic tray can be completely recycled, the material utilization rate is improved, the high-performance fiber has good continuity and high-temperature stability, the quality is kept stable in the regeneration melting process, the performance is not reduced, various performance index parameters of the regenerated particles are not reduced, no waste is generated in the regeneration process, all waste can be converted into the regenerated material, and the green, environment-friendly and pollution-free effects are really realized.

Drawings

Fig. 1 is a schematic structural view of a high-performance fiber reinforced composite plastic pallet of the present invention.

Fig. 2 is a bending test load displacement curve of the high performance fiber reinforced composite plastic pallet of the present invention.

Fig. 3 is a static pressure test load displacement curve of the high performance fiber reinforced composite plastic pallet of the present invention.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.