Locomotor manufacture method and products thereof

A technology of sports equipment and a manufacturing method, which is applied to the manufacturing of sports equipment and its products, can solve problems such as hidden safety concerns, and achieve the effects of long service life, uniform foaming and crisp appearance.

Inactive Publication Date: 2009-04-29
UNION PLASTIC HANGZHOU MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this situation, there will still be safety concerns whe

Method used

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  • Locomotor manufacture method and products thereof
  • Locomotor manufacture method and products thereof
  • Locomotor manufacture method and products thereof

Examples

Experimental program
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Example Embodiment

[0041] Reference attached Figure 1-8 :

[0042] The manufacturing method of sports equipment of the present invention includes the following steps:

[0043] 1. Make injection molds for sports equipment;

[0044] 2. Inject plastic and gas into the feeder barrel 1, heat and stir with the screw 12 to melt the plastic and mix with the gas to form a mixed foamed plastic melt;

[0045] 3. Introduce the aforementioned mixed foamed plastic melt into the first storage barrel 2;

[0046] 4. The plastic melt with a capacity suitable for one shot is pumped out of the first accumulator cylinder 2, and the pressure in the cavity of the first accumulator cylinder 2 is controlled and compensated to maintain the first accumulator cylinder 2. The pressure in the storage chamber and 2 chambers is stable;

[0047]5. Introduce the plastic melt pressed out of the first accumulator cylinder 2 into the second accumulator cylinder 31 through the first one-way valve 5;

[0048] 6. The plastic melt pressed ...

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PUM

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Abstract

The invention relates to a manufacturing method of sport equipment, comprising the following steps: manufacturing an injection mold of the plastic sport equipment, manufacturing mixed foamed plastic liquid, leading the liquid into an injection machine barrel, simultaneously feeding materials into a first storage machine barrel by a feeding machine barrel, pressurizing the injection machine barrel, carrying injection until the mold is molded, firstly cooling the surface of the plastic liquid, measuring the current amount of injection of the injection machine barrel and the current output speed of the feeding machine barrel, adjusting the output speed of the feeding machine barrel, adjusting the rotating speed of a screw of the feeding machine barrel so as to control the feeding speed of the plastics and simultaneously adjusting the admission speed so as to match the feeding speed of the plastics. The product obtained according to the method comprises an outer layer which does not contain bubbles or contains few bubbles and an inner core containing bubbles; and the inner core is coated by the outer layer.

Description

technical field [0001] The invention relates to a manufacturing method of plastic sports equipment and its products. Background technique [0002] Most of the known sports equipment, such as protective gear, fins, sports pads, and handles of equipment, are mostly made of pure plastic by injection molding. This method consumes more plastic. With the rise of oil prices, people are eager to save raw materials. . In addition, pure plastic products are heavy in weight and poor in impact resistance, resulting in inconvenient portability, poor shock absorption and short lifespan for sports equipment. [0003] The use of foamed plastics to make sports equipment does not affect the use of sports equipment, and can significantly save raw materials, and the foamed plastics have good impact resistance, which can make sports equipment durable and reduce weight. However, the known expanded plastic technology is not suitable for the manufacture of sports equipment. [0004] The conventi...

Claims

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Application Information

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IPC IPC(8): B29C45/17B29C45/46B29C45/76B29C45/62B32B5/18B32B5/32
Inventor 陆纬庭陆孝庭
Owner UNION PLASTIC HANGZHOU MACHINERY
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