CN102700149A - Method and mould for manufacturing insulation box - Google Patents
Method and mould for manufacturing insulation box Download PDFInfo
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- CN102700149A CN102700149A CN2012101620248A CN201210162024A CN102700149A CN 102700149 A CN102700149 A CN 102700149A CN 2012101620248 A CN2012101620248 A CN 2012101620248A CN 201210162024 A CN201210162024 A CN 201210162024A CN 102700149 A CN102700149 A CN 102700149A
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Abstract
The invention discloses a method and a mould for manufacturing an insulation box. The method provided by the invention comprises the following steps of: 1, putting the mould for manufacturing the insulation box on a four-column type hydraulic press and preheating the mould through an electric heating plate arranged on the four-column type hydraulic press; 2, preparing glue solution for bonding; 3, pouring the prepared glue solution in a glue slot arranged on a horizontal type gluing machine, starting the horizontal type gluing machine, and dipping glass cloth in the glue solution, drying and rolling; 4, coating and brushing a releasing agent on the surface of the preheated mould, winding the glass cloth rolled in the step 3 on a core mould of the mould and leading the glass cloth on the top surface of the core mould to mutually bond until the thickness required by the design is met; 5, assembling the mould, hot-pressing and solidifying the assembled mould through the four-column type hydraulic press until moulding is realized, and demoulding; and 6, putting the moulded insulation box in a vacuum oven for drying until a finished product is formed. According to the invention, the manufactured insulation box has good physical strength, high temperature resistance and electricity resistance and high reliability.
Description
Technical field
The present invention relates to the insulation booth of electricity generator stator coil end, specifically is a kind of manufacturing approach of insulation booth, and this method is used and the mfg. moulding die that arrives.
Background technology
Insulation booth is one of important insulating element of generator, is positioned at the end of electricity generator stator coil, plays insulating effect, requires to have higher physical strength and heat-resisting quantity.For a long time, be subject to domestic manufacture level, the insulation booth product is all from external import, and import is assembled on the generator after domestic again, and this has directly increased the manufacturing cost of generator.Lifting along with domestic manufacture level; In recent years, insulation booth has been realized self-control at home, but owing to select materials and the manufacturing approach that designs and mould unreasonable; There is significant deficiency in of home make insulation booth; This mainly shows: 1. insulation booth is the dark cavity configuration of thin-walled, and the unreasonable demoulding difficulty that causes of mould design influences production efficiency; 2. the fiber material impregnation that pastes insulation booth is inhomogeneous, and the wall thickness of profiled insulation box is inconsistent, influences the intensity and the electric durability of insulation booth; 3. when making, the latex bonded fibre material pastes moulding on the core of mould with " picture mosaic " and " patch " mode, and not only efficient is low; And the finished product insulation booth under arms in the near future; Just fracture phenomena can occur because of being heated, physical strength is low, and service life is short; The generator frequency of maintenance is high, has had a strong impact on the benefit of generating operator.
Summary of the invention
One of the object of the invention is: to the manufacturing present situation of above-mentioned domestic insulation booth; A kind of reasonable in design, simple, insulation booth manufacturing approach that production efficiency is high, reliable and practical is provided, and the insulation booth of this method manufacturing has good physical strength, heat-resisting quantity and electric durability.
Two of the object of the invention is: to the manufacturing approach of one of the manufacturing present situation of domestic insulation booth and purpose, provide a kind of reasonable in design, simple in structure, demoulding to be easy to the insulation booth mfg. moulding die.
One of the object of the invention is realized through following technical proposals: a kind of insulation booth manufacturing approach, said insulation booth are the interior empty rectangular configuration of an end face opening, and its manufacturing approach comprises the following order step:
1). the mould that will make insulation booth is placed on the four-column hydraulic press, through the electric hot plate on the four-column hydraulic press mould is carried out preheating;
2). the glue of modulation bonding usefulness;
3). the glue that modulates is poured in the glue groove of horizontal gluing machine; Start horizontal gluing machine, with the glass fabric impregnation, cure, rolling; Said curing is that the glass fabric behind the impregnation is cured into semi-cured state through gluing machine baking oven section; Said rolling is the glass fabric that cures into semi-cured state through the rolling-up mechanism rolling on the gluing machine;
4). at the good die surface brushing releasing agent of preheating; The glass fabric that winds in the step 3) is wound on the core of mould, and the glass fabric of core end face is bondd each other; Until reaching designing requirement thickness;
5). set of molds is installed; Carry out hot-press solidifying with four-column hydraulic press, until moulding; The demoulding;
6). the insulation booth of moulding is put into vacuum drying oven cure, until finished product.
The time of preheating is more than 1 hour in the step 1), and the temperature of preheating is 165～175 ℃.
Step 2) proportioning raw materials of glue is by following weight portion in:
40～47 parts of epoxy resin,
15～20 parts in phenolic resins,
15～20 parts in acetone,
7～13 parts of ethanol,
3～6 parts of toluene.
The high intensity glass fiber cloth that glass fabric in the step 3) interweaves for the glass fibre longitude and latitude.
Glass fabric impregnation glue content in the step 3) is 33～45%.
The baking oven section of gluing machine is the tunnel oven structure in the step 3); Have four sections independently sections of curing, the temperature of first section of curing is 100～110 ℃, and the temperature of second section of curing is 120～130 ℃; The temperature of the 3rd section of curing is 120～130 ℃, and the temperature of the 4th section of curing is 110～120 ℃.
The rolling-up mechanism rolling speed of gluing machine is 35～45 seconds/meter in the step 3).
The temperature of hot-press solidifying is 165～175 ℃ in the step 5), and the time of hot-press solidifying is more than 50 minutes.
Cure in the step 6) and be divided into four-stage; Wherein, first stage of curing was 3～5 hours, and temperature is 115～125 ℃; Second stage of curing was 3～5 hours, and temperature is 135～145 ℃; The 3rd stage of curing was 7～9 hours, and temperature is 160～170 ℃; The 4th stage of curing was 7～9 hours, and temperature is 175～185 ℃.
Two of the object of the invention passes through following technical proposals to be realized: a kind of insulation booth mfg. moulding die; Comprise chamber mould, core and patrix; The end face of said chamber mould has the perforation greater than the core end face, the patrix perforation of packing into, and patrix is as the glass fabric that is adjacent to the core end face; Said core is fixed on the base, and the outer surface of core is the plane; Said mould also comprises four pressing molds, and four pressing molds are arranged on four faces of the core that is wound with glass fabric, and the inner surface of pressing mold is as being adjacent to glass fabric, and the end face of pressing mold, inner surface and bottom surface are the plane, and the outer surface of pressing mold is the conical surface; Said chamber mould covers the top of pressing mold, and under the effect of four-column hydraulic press, the interior edge of chamber mould through the lower end pushed the outer surface of pressing mold, forces pressing mold pressed glass cloth.
The invention has the beneficial effects as follows:
Manufacturing approach of the present invention is through to selecting materials and the optimization of manufacturing process, with the whole coiling of the high intensity glass fiber cloth of impregnation; Glass fibre length and longitude and latitude interweave, and the insulation booth of processing has higher physical strength, can bear bigger thermal expansion extruding force; Long service life has good temperature resistance and electric durability simultaneously, and each item performance indications have reached international counterparts industry advanced level; Satisfy the application requirements of generator, particularly high-power generator fully, reliability is high.Whole manufacturing approach has characteristics reasonable in design, simple, that production efficiency is high, reliable and practical, is convenient to realize industrial batch production.
Mfg. moulding die of the present invention; Conical outer surface with four pressing molds bears extruding force simultaneously; Guarantee that the glass fabric on the core can receive the thrust of balance, and then, make the consistent wall thickness of insulation booth indivedual uneven crowdedization of glue point on the glass fabric; Make simultaneously between each layer glass fabric to bond firmly, reach the purpose that promotes insulation booth bulk strength and electric durability.The characteristics that this mould has is reasonable in design, simple in structure, the demoulding is easy, practical are through test, with its insulation booth qualification rate height of processing 100%.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
The specific embodiment
Embodiment 1
The present invention is as the insulation booth of making generator, and this insulation booth is the interior empty rectangular configuration of a long limit end face opening (other five face sealings), and its manufacturing approach comprises the following order step:
1). prepare mould; Mould (seeing Fig. 1 and Fig. 2) comprises chamber mould 1, core 5, patrix 3 and pressing mold 6; The end face of chamber mould 1 has greater than the perforation 2 of core 5 end faces (size of perforation 2 should be corresponding with the insulation booth end face size of design), and perforation 2 is used as the patrix 3 of packing into, and patrix 3 is made the glass fabric 4 of insulation booth as extruding in manufacture process; Core 5 is fixed on the base 7; The outer surface of core 6 (i.e. front, the back side, left side, right side and end face) is the plane of no any gradient, depression, and pressing mold 6 is four, and these four pressing molds are corresponding with insulation booth front, the back side, left side and the right side of design respectively; Four pressing molds 6 are used separately as glass fabric 4 fronts, the back side, left side and the right side that insulation booth is made in extruding in manufacture process; The inner surface of pressing mold 6 is used as in manufacture process and is adjacent to the glass fabric 4 of making insulation booth, and the end face of pressing mold 6, inner surface and bottom surface (bottom surface and base 7 are slidingly matched) is the plane, and the outer surface of pressing mold 6 is the conical surface; Chamber mould 1 covers the top of pressing mold 6, and chamber mould 1 transmits extruding force through the interior edge of lower end to pressing mold 6; Mould is placed on the four-column hydraulic press, electric hot plate is installed on the four-column hydraulic press, through the electric hot plate on the four-column hydraulic press mould is carried out preheating, be 1.5 hours preheating time, and preheat temperature is 175 ℃, guarantees that mould can thermally equivalent;
2). the glue of modulation bonding usefulness, the proportioning raw materials of glue are by following weight portion: 40 parts of epoxy resin, 16 parts in phenolic resins, 17 parts in acetone, 10 parts of ethanol, 3 parts of toluene mix each raw material and get final product; It is 2000～4000cps that epoxy resin should be selected viscosity for use, the epoxy resin of viscosity 3300cps for example, and the operative weldability of this viscosity epoxy is good, and insulating properties are good, fiber soaked into good, and cured article had good shock-resistant, bending strength;
3). the glue that modulates is poured in the glue groove of horizontal gluing machine, had baking oven section and rolling-up mechanism on this gluing machine; Wherein, the baking oven section is the tunnel oven structure, has four sections independently sections of curing, and the temperature of first section of curing is 100 ℃, and the temperature of second section of curing is 125 ℃, and the temperature of the 3rd section of curing is 130 ℃, and the temperature of the 4th section of curing is 120 ℃; Start horizontal gluing machine, with the glass fabric impregnation, cure, rolling; The high intensity glass fiber cloth that glass fabric interweaves for the glass fibre longitude and latitude; Thickness is about 0.10mm; Glass fabric thickness behind the impregnation is about 0.15mm, and glue content is about 40%, soluble resin>=90%; Volatile matter≤3%, the glass fabric behind the impregnation cures into semi-cured state through the baking oven section; Rolling-up mechanism gets up the glass fabric rolling of semi-cured state, and rolling speed is 35 seconds/meter;
4). at the good die surface brushing releasing agent of preheating; The glass fabric integral body that winds in the step 3) is wound on the core of mould; There is one section glass fabric to exceed the core end face; With four corner angle of core is that benchmark is cut off the glass fabric that exceeds, and makes the smooth mutual bonding of glass fabric of core end face; Until reaching designing requirement thickness, for example coiling is 40 layers;
5). pressing mold assembling is put in place, make the inner surface of four pressing molds be close to four faces of the glass fabric of coiling on the core respectively, chamber mould level is buckled in the top of pressing mold, and pack patrix in the perforation of chamber mould into, so far the entire die assembled; Carry out hot-press solidifying with four-column hydraulic press, the temperature of hot-press solidifying is 175 ℃, and the time of hot-press solidifying is 1 hour, is wound on the glass fibre molding with cloth on the core; The insulation booth demoulding with moulding;
6). the insulation booth of moulding is put into vacuum drying oven cure, cure and be divided into four-stage; Wherein, first stage of curing was 3 hours, and temperature is 120 ℃; Second stage of curing was 3 hours, and temperature is 135 ℃; The 3rd stage of curing was 8 hours, and temperature is 170 ℃; The 4th stage of curing was 8 hours, and temperature is 180 ℃; So far insulation booth finished product.
Above-mentioned steps 2) in glue raw material acetone the visual changes of seasons of addition and increase and decrease, can suitably add a bit in the time of like winter, but totally should remain in the formula ratio scope.
Above-mentioned steps 3) high intensity glass fiber cloth in is formed by weaving in alkali-free, non-twist glass fibre.
Embodiment 2
The present invention is as the insulation booth of making generator, and this insulation booth is the interior empty rectangular configuration of a long limit end face opening (other five face sealings), and its manufacturing approach comprises the following order step:
1). prepare mould, identical among mould structure and the embodiment 1; Mould is placed on the four-column hydraulic press, electric hot plate is installed on the four-column hydraulic press, through the electric hot plate on the four-column hydraulic press mould is carried out preheating, be 2 hours preheating time, and preheat temperature is 170 ℃, guarantees that mould can thermally equivalent;
2). the glue of modulation bonding usefulness, the proportioning raw materials of glue are by following weight portion: 44 parts of epoxy resin, 16 parts in phenolic resins, 18 parts in acetone, 9 parts of ethanol, 4 parts of toluene mix each raw material and get final product; It is 2000～4000cps that epoxy resin should be selected viscosity for use, for example the epoxy resin of viscosity 2500cps;
3). the glue that modulates is poured in the glue groove of horizontal gluing machine, had baking oven section and rolling-up mechanism on this gluing machine; Wherein, the baking oven section is the tunnel oven structure, has four sections independently sections of curing, and the temperature of first section of curing is 103 ℃, and the temperature of second section of curing is 122 ℃, and the temperature of the 3rd section of curing is 125 ℃, and the temperature of the 4th section of curing is 110 ℃; Start horizontal gluing machine, with the glass fabric impregnation, cure, rolling; The high intensity glass fiber cloth that glass fabric interweaves for the glass fibre longitude and latitude; Thickness is about 0.10mm; Glass fabric thickness behind the impregnation is about 0.13mm, and glue content is about 35%, soluble resin>=90%; Volatile matter≤3%, the glass fabric behind the impregnation cures into semi-cured state through the baking oven section; Rolling-up mechanism gets up the glass fabric rolling of semi-cured state, and rolling speed is 37 seconds/meter;
4). at the good die surface brushing releasing agent of preheating; The glass fabric integral body that winds in the step 3) is wound on the core of mould; There is one section glass fabric to exceed the core end face; With four corner angle of core is that benchmark is cut off the glass fabric that exceeds, and makes the smooth mutual bonding of glass fabric of core end face; Until reaching designing requirement thickness, for example coiling is 45 layers;
5). pressing mold assembling is put in place, make the inner surface of four pressing molds be close to four faces of the glass fabric of coiling on the core respectively, chamber mould level is buckled in the top of pressing mold, and pack patrix in the perforation of chamber mould into, so far the entire die assembled; Carry out hot-press solidifying with four-column hydraulic press, the temperature of hot-press solidifying is 172 ℃, and the time of hot-press solidifying is 1.5 hours, is wound on the glass fibre molding with cloth on the core; The insulation booth demoulding with moulding;
6). the insulation booth of moulding is put into vacuum drying oven cure, cure and be divided into four-stage; Wherein, first stage of curing was 4 hours, and temperature is 116 ℃; Second stage of curing was 3.5 hours, and temperature is 140 ℃; The 3rd stage of curing was 7 hours, and temperature is 170 ℃; The 4th stage of curing was 8.5 hours, and temperature is 175 ℃; So far insulation booth finished product.
Above-mentioned steps 2) in glue raw material acetone the visual changes of seasons of addition and increase and decrease, can suitably add a bit in the time of like winter, but totally should remain in the formula ratio scope.
Above-mentioned steps 3) high intensity glass fiber cloth in is formed by weaving in alkali-free, non-twist glass fibre.
Embodiment 3
The present invention is as the insulation booth of making generator, and this insulation booth is the interior empty rectangular configuration of a long limit end face opening (other five face sealings), and its manufacturing approach comprises the following order step:
1). prepare mould, identical among mould structure and the embodiment 1; Mould is placed on the four-column hydraulic press, electric hot plate is installed on the four-column hydraulic press, through the electric hot plate on the four-column hydraulic press mould is carried out preheating, be 3 hours preheating time, and preheat temperature is 166 ℃, guarantees that mould can thermally equivalent;
2). the glue of modulation bonding usefulness, the proportioning raw materials of glue are by following weight portion: 47 parts of epoxy resin, 19 parts in phenolic resins, 15 parts in acetone, 13 parts of ethanol, 6 parts of toluene mix each raw material and get final product; It is 2000～4000cps that epoxy resin should be selected viscosity for use, for example the epoxy resin of viscosity 4000cps;
3). the glue that modulates is poured in the glue groove of horizontal gluing machine, had baking oven section and rolling-up mechanism on this gluing machine; Wherein, the baking oven section is the tunnel oven structure, has four sections independently sections of curing, and the temperature of first section of curing is 110 ℃, and the temperature of second section of curing is 127 ℃, and the temperature of the 3rd section of curing is 122 ℃, and the temperature of the 4th section of curing is 115 ℃; Start horizontal gluing machine, with the glass fabric impregnation, cure, rolling; The high intensity glass fiber cloth that glass fabric interweaves for the glass fibre longitude and latitude; Thickness is about 0.10mm; Glass fabric thickness behind the impregnation is about 0.15mm, and glue content is about 42%, soluble resin>=90%; Volatile matter≤3%, the glass fabric behind the impregnation cures into semi-cured state through the baking oven section; Rolling-up mechanism gets up the glass fabric rolling of semi-cured state, and rolling speed is 42 seconds/meter;
4). at the good die surface brushing releasing agent of preheating; The glass fabric integral body that winds in the step 3) is wound on the core of mould; There is one section glass fabric to exceed the core end face; With four corner angle of core is that benchmark is cut off the glass fabric that exceeds, and makes the smooth mutual bonding of glass fabric of core end face; Until reaching designing requirement thickness, for example coiling is 36 layers;
5). pressing mold assembling is put in place, make the inner surface of four pressing molds be close to four faces of the glass fabric of coiling on the core respectively, chamber mould level is buckled in the top of pressing mold, and pack patrix in the perforation of chamber mould into, so far the entire die assembled; Carry out hot-press solidifying with four-column hydraulic press, the temperature of hot-press solidifying is 165 ℃, and the time of hot-press solidifying is 2 hours, is wound on the glass fibre molding with cloth on the core; The insulation booth demoulding with moulding;
6). the insulation booth of moulding is put into vacuum drying oven cure, cure and be divided into four-stage; Wherein, first stage of curing was 5 hours, and temperature is 123 ℃; Second stage of curing was 4 hours, and temperature is 144 ℃; The 3rd stage of curing was 9 hours, and temperature is 161 ℃; The 4th stage of curing was 9 hours, and temperature is 181 ℃; So far insulation booth finished product.
Above-mentioned steps 2) in glue raw material acetone the visual changes of seasons of addition and increase and decrease, can suitably add a bit in the time of like winter, but totally should remain in the formula ratio scope.
Above-mentioned steps 3) high intensity glass fiber cloth in is formed by weaving in alkali-free, non-twist glass fibre.
Embodiment 4
The present invention is as the insulation booth of making generator, and this insulation booth is the interior empty rectangular configuration of a long limit end face opening (other five face sealings), and its manufacturing approach comprises the following order step:
1). prepare mould, identical among mould structure and the embodiment 1; Mould is placed on the four-column hydraulic press, electric hot plate is installed on the four-column hydraulic press, through the electric hot plate on the four-column hydraulic press mould is carried out preheating, be 2 hours preheating time, and preheat temperature is 171 ℃, guarantees that mould can thermally equivalent;
2). the glue of modulation bonding usefulness, the proportioning raw materials of glue are by following weight portion: 42 parts of epoxy resin, 17 parts in phenolic resins, 20 parts in acetone, 7 parts of ethanol, 5 parts of toluene mix each raw material and get final product; It is 2000～4000cps that epoxy resin should be selected viscosity for use, for example the epoxy resin of viscosity 3300cps;
3). the glue that modulates is poured in the glue groove of horizontal gluing machine, had baking oven section and rolling-up mechanism on this gluing machine; Wherein, the baking oven section is the tunnel oven structure, has four sections independently sections of curing, and the temperature of first section of curing is 106 ℃, and the temperature of second section of curing is 130 ℃, and the temperature of the 3rd section of curing is 127 ℃, and the temperature of the 4th section of curing is 120 ℃; Start horizontal gluing machine, with the glass fabric impregnation, cure, rolling; The high intensity glass fiber cloth that glass fabric interweaves for the glass fibre longitude and latitude; Thickness is about 0.10mm; Glass fabric thickness behind the impregnation is about 0.11mm, and glue content is about 44%, soluble resin>=90%; Volatile matter≤3%, the glass fabric behind the impregnation cures into semi-cured state through the baking oven section; Rolling-up mechanism gets up the glass fabric rolling of semi-cured state, and rolling speed is 45 seconds/meter;
4). at the good die surface brushing releasing agent of preheating; The glass fabric integral body that winds in the step 3) is wound on the core of mould; There is one section glass fabric to exceed the core end face; With four corner angle of core is that benchmark is cut off the glass fabric that exceeds, and makes the smooth mutual bonding of glass fabric of core end face; Until reaching designing requirement thickness, coiling four Floor 12s for example;
5). pressing mold assembling is put in place, make the inner surface of four pressing molds be close to four faces of the glass fabric of coiling on the core respectively, chamber mould level is buckled in the top of pressing mold, and pack patrix in the perforation of chamber mould into, so far the entire die assembled; Carry out hot-press solidifying with four-column hydraulic press, the temperature of hot-press solidifying is 168 ℃, and the time of hot-press solidifying is 1 hour, is wound on the glass fibre molding with cloth on the core; The insulation booth demoulding with moulding;
6). the insulation booth of moulding is put into vacuum drying oven cure, cure and be divided into four-stage; Wherein, first stage of curing was 3.5 hours, and temperature is 125 ℃; Second stage of curing was 5 hours, and temperature is 137 ℃; The 3rd stage of curing was 8 hours, and temperature is 166 ℃; The 4th stage of curing was 7 hours, and temperature is 185 ℃; So far insulation booth finished product.
Above-mentioned steps 2) in glue raw material acetone the visual changes of seasons of addition and increase and decrease, can suitably add a bit in the time of like winter, but totally should remain in the formula ratio scope.
Above-mentioned steps 3) high intensity glass fiber cloth in is formed by weaving in alkali-free, non-twist glass fibre.
Claims (10)
1. insulation booth manufacturing approach, said insulation booth is the interior empty rectangular configuration of an end face opening, its manufacturing approach comprises the following order step:
1). the mould that will make insulation booth is placed on the four-column hydraulic press, through the electric hot plate on the four-column hydraulic press mould is carried out preheating;
2). the glue of modulation bonding usefulness;
3). the glue that modulates is poured in the glue groove of horizontal gluing machine; Start horizontal gluing machine, with the glass fabric impregnation, cure, rolling; Said curing is that the glass fabric behind the impregnation is cured into semi-cured state through gluing machine baking oven section; Said rolling is the glass fabric that cures into semi-cured state through the rolling-up mechanism rolling on the gluing machine;
4). at the good die surface brushing releasing agent of preheating; The glass fabric that winds in the step 3) is wound on the core of mould, and the glass fabric of core end face is bondd each other; Until reaching designing requirement thickness;
5). set of molds is installed; Carry out hot-press solidifying with four-column hydraulic press, until moulding; The demoulding;
6). the insulation booth of moulding is put into vacuum drying oven cure, until finished product.
2. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: the time of preheating is more than 1 hour in the step 1), and the temperature of preheating is 165～175 ℃.
3. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: step 2) in the proportioning raw materials of glue by following weight portion:
40～47 parts of epoxy resin,
15～20 parts in phenolic resins,
15～20 parts in acetone,
7～13 parts of ethanol,
3～6 parts of toluene.
4. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: the high intensity glass fiber cloth that the glass fabric in the step 3) interweaves for the glass fibre longitude and latitude.
5. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: the glass fabric impregnation glue content in the step 3) is 33～45%.
6. according to the said insulation booth manufacturing approach of claim 1; It is characterized in that: the baking oven section of gluing machine is the tunnel oven structure in the step 3); Have four sections independently sections of curing, the temperature of first section of curing is 100～110 ℃, and the temperature of second section of curing is 120～130 ℃; The temperature of the 3rd section of curing is 120～130 ℃, and the temperature of the 4th section of curing is 110～120 ℃.
7. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: the rolling-up mechanism rolling speed of gluing machine is 35～45 seconds/meter in the step 3).
8. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: the temperature of hot-press solidifying is 165～175 ℃ in the step 5), and the time of hot-press solidifying is more than 50 minutes.
9. according to the said insulation booth manufacturing approach of claim 1, it is characterized in that: cure in the step 6) and be divided into four-stage; Wherein, first stage of curing was 3～5 hours, and temperature is 115～125 ℃; Second stage of curing was 3～5 hours, and temperature is 135～145 ℃; The 3rd stage of curing was 7～9 hours, and temperature is 160～170 ℃; The 4th stage of curing was 7～9 hours, and temperature is 175～185 ℃.
10. insulation booth mfg. moulding die; Comprise chamber mould (1), core (5) and patrix (3); The end face of said chamber mould (1) has the perforation (2) greater than core (5) end face, patrix (3) perforation (2) of packing into, and patrix (3) is as the glass fabric that is adjacent to core (5) end face; Said core (5) is fixed on the base (7), and the outer surface of core (6) is the plane; It is characterized in that: said mould also comprises four pressing molds (6); Four pressing molds (6) are arranged on four faces of the core (5) that is wound with glass fabric (4); The inner surface of pressing mold (6) is as being adjacent to glass fabric (4); End face, inner surface and the bottom surface of pressing mold (6) is the plane, and the outer surface of pressing mold (6) is the conical surface; Said chamber mould (1) covers the top of pressing mold (6), and under the effect of four-column hydraulic press, the interior edge of chamber mould (1) through the lower end pushed the outer surface of pressing mold (6), forces pressing mold (6) pressed glass cloth (4).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105729821A (en) * | 2016-04-05 | 2016-07-06 | 常熟江南玻璃纤维有限公司 | Manufacturing method for overall bathroom top cover |
| CN108068359A (en) * | 2018-01-10 | 2018-05-25 | 江苏恒神股份有限公司 | A kind of box part RTM mold |
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| EP0572752A1 (en) * | 1992-06-04 | 1993-12-08 | Sulzer Innotec Ag | Method of production of a workpiece of thermoplastic composite material with a hole |
| CN101186707A (en) * | 2007-11-15 | 2008-05-28 | 重庆长安汽车股份有限公司 | Glass fiber multilayer fabric enhanced epoxy resin composite material for automobile |
| CN101723086A (en) * | 2009-11-16 | 2010-06-09 | 浙江大学 | Containing ring of aircraft engine fan made of fiber-reinforced composite material |
| CN101870172A (en) * | 2010-06-09 | 2010-10-27 | 哈尔滨工业大学 | Preparation mould of carbon fiber composite material casing of airplane and aircraft and forming method thereof |
| CN202129889U (en) * | 2011-07-15 | 2012-02-01 | 凡嘉科技（无锡）有限公司 | Mould frame structure of mould |
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| CN105729821A (en) * | 2016-04-05 | 2016-07-06 | 常熟江南玻璃纤维有限公司 | Manufacturing method for overall bathroom top cover |
| CN108068359A (en) * | 2018-01-10 | 2018-05-25 | 江苏恒神股份有限公司 | A kind of box part RTM mold |
| CN108068359B (en) * | 2018-01-10 | 2020-08-21 | 江苏恒神股份有限公司 | Box-shaped member RTM mold |
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