Production technique for manufacturing boot by polypropylene particles with fusion blowing forming method
A production process and luggage technology, applied in the field of automotive interior parts, can solve the problems of the product bearing capacity not meeting the requirements, affecting the health of passengers, and detrimental to the lightweight of the vehicle, achieving a beautiful appearance and reducing the weight of the luggage. , The effect of good bearing capacity
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Embodiment 1
[0017] Embodiment 1: a kind of production process of making suitcase by melt blowing molding of polypropylene particles, comprises the following process steps:
[0018] (1) Spray water on the fabric, the water spray volume is 45g / m 2 ; The fabric after spraying water is hung on one side of the mould; the fabric has a gram weight of 550g / m 2 , loop pile carpet with a thickness of 3.5mm;
[0019] (2) A reinforcing rib inserting plate and a blowing needle are arranged outside the other side of the mould, and the reinforcing rib inserting plate and blowing needle can extend into the mold interior;
[0020] (3) The polypropylene particles are drawn into the heating tube by a vacuum machine to be heated and melted, and the heating temperature is 195°C; the melted polypropylene particles are squeezed into the storage bin, when the storage bin material reaches the set value, the storage bin oil cylinder Press down to extrude ring-shaped barrel-shaped molten particles through a circu...
Embodiment 2
[0024] Embodiment 2: A kind of production process of making suitcase by melt blowing molding of polypropylene particles, comprising the following process steps:
[0025] (1) Spray water on the fabric, the water spray volume is 55g / m 2 ; The fabric after the water spray is hung on one side of the mould; the fabric has a gram weight of 650g / m 2 , loop pile carpet with a thickness of 4.5 mm;
[0026] (2) A reinforcing rib inserting plate and a blowing needle are arranged outside the other side of the mould, and the reinforcing rib inserting plate and blowing needle can extend into the mold interior;
[0027] (3) Through the vacuum machine, the polypropylene particles are drawn into the heating tube to heat and melt, the heating temperature is 205°C; the melted polypropylene particles are squeezed into the storage bin, when the storage bin material reaches the set value, the oil tank of the storage bin Press down to extrude ring-shaped barrel-shaped molten particles through a ci...
Embodiment 3
[0031] Embodiment three: a kind of production process of making the suitcase of polypropylene particle melting and blowing molding, comprises the following process steps:
[0032] (1) Spray water on the fabric, the water spray volume is 50g / m 2 ; The fabric after spraying water is hung on one side of the mould; the fabric has a gram weight of 250g / m 2 , a non-woven fabric with a thickness of 2 mm;
[0033] (2) A reinforcing rib inserting plate and a blowing needle are arranged outside the other side of the mould, and the reinforcing rib inserting plate and blowing needle can extend into the mold interior;
[0034] (3) The polypropylene particles are sucked into the heating tube by a vacuum machine to heat and melt, the heating temperature is 200°C; the melted polypropylene particles are squeezed into the storage bin, when the storage bin material reaches the set value, the oil cylinder of the storage bin Press down to extrude ring-shaped barrel-shaped molten particles throug...
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