CN103600501A - Demolding technology for fiber reinforced plastic ships - Google Patents

Abstract

A demolding technology for fiber reinforced plastic ships comprises that (1) manual demolding method is employed for small molds, and the main tools comprise a rubber hammer, a crowbar and a timber wedge; and (2) mechanical demolding methods comprise a lifting-up method, a hoisting-pulling method, a watering method, an air pressure method and a cutting stripping method; the main tools of the lifting-up method comprise a screw rod, an ejecting block, a support and a handle bar; the main tools of the hoisting-pulling method comprise a gantry crane; the watering method is used for ships with relatively large molded depth and the buoyancy of water is utilized for demolding; the air pressure method means that compressed air is utilized and introduced into an interfacial layer for generating bulging force and further for demolding; and the cutting stripping method is used for the condition that a mold is tightly adhered to a product, which means the cutting stripping method satisfies the enterprise needs that one demolding technology is needed for safely reliably separating a fiber reinforced plastic ship from a mold during the demolding process of the fiber reinforced plastic ship.

Description

The releasing process of glass fibre reinforced plastic ship

Technical field

The present invention relates to a composite material forming product and separate on mould, say accurately the absorption affinity that overcomes adhesion that resin itself produces and form due to the truth and false blanking bar producing between mould and product is separated fibre glass product manufacture releasing process from mould.

Background technology

At present, the enterprise of China in glass boats and ships knockout course, the releasing process that needs a kind of safe and reliable assurance glass boats and ships to separate from mould.

Summary of the invention

The releasing process that provides safe and reliable assurance glass boats and ships to separate from mould for enterprise is provided.The present invention realizes its goal of the invention by the following technical solutions, the releasing process of glass fibre reinforced plastic ship, and its process is:

(1), changable modulus method, for smallclothes mould, main tool has rubber hammer, crowbar, timber wedge,

(2), mechanical stripping method, comprise jack-block, hang daraf(reciprocal of farad), douche, pneumatic process, cutting stripping method, wherein jack-block main tool has screw mandrel, jacking block, support, handlebar; Hang daraf(reciprocal of farad) main tool and have straddle truck; Douche, for the larger hull of moldeed depth, utilizes buoyancy of water to help the demoulding; Pneumatic process is to utilize compressed air to import the expansive force demoulding that boundary layer produces; Cutting stripping method is bonding excessively firm for mould and product.

Owing to adopting above technical scheme, the present invention has realized its goal of the invention preferably.

the specific embodiment:

1, with rubber hammer, knock mould, surface adhesion and absorption affinity shake are opened, this can judge whether from the sound knocking to throw off, and sound weighs in fact, illustrates separated, sound is empty and light, explanation has been thrown off, and knocking progressively, expands disengaging face, with timber wedge, increase demoulding scope, with crowbar, prize mould;

2, when turning over fiber reinforced plastic mold processed, screw mandrel and jacking block are arranged on mould, the quantity arranging is depending on the size of glass boats and ships, jacking block needs and die horizontal, and turning handle bar during the demoulding upwards rises screw mandrel, drive jacking block to apply Top power to glass boats and ships, because mould has certain rigidity, along with the rising of jacking block, demoulding position is constantly increased; The tractive force that adopts straddle truck lifting appliance to produce, pulls mold releasability, before hanging and drawing, first with rubber hammer, knocks mould, helps the smooth demoulding; First with rubber hammer, knock mould, make partial disengagement, with in timber wedge wedging gap, then, to injected water in gap, make abutting edge invade gradually profit; Compressed air is imported to boundary layer, utilize its expansive force, make it separated demolding; Goods are cut into several parts, peel off by force.

Claims (1)

1. the releasing process of glass fibre reinforced plastic ship, its process is:

(1), changable modulus method, for smallclothes mould, main tool has rubber hammer, crowbar, timber wedge,

(2), mechanical stripping method, comprise jack-block, hang daraf(reciprocal of farad), douche, pneumatic process, cutting stripping method, wherein jack-block main tool has screw mandrel, jacking block, support, handlebar; Hang daraf(reciprocal of farad) main tool and have straddle truck; Douche, for the larger hull of moldeed depth, utilizes buoyancy of water to help the demoulding; Pneumatic process is to utilize compressed air to import the expansive force demoulding that boundary layer produces; Cutting stripping method is bonding excessively firm for mould and product.