Summary of the invention
The defective that exists in order to overcome prior art the purpose of this invention is to provide a kind of light composite board, this light composite board excellent combination property.
Another object of the present invention is to provide a kind of production method of above-mentioned light composite board, and the method is simple, is easy to suitability for industrialized production.
The 3rd purpose of the present invention is to provide a kind of method that above-mentioned light composite board is made automotive upholstery, has the rigidity of lighter weight, excellence with the automotive upholstery ceiling of this light composite board making, and good sound-absorption and heat-insulation performance.
Technical scheme of the present invention is as follows:
The invention provides a kind of light composite board, this light composite board is made by the component that comprises following quality percentage composition: 30~70% polyolefine fiber (ES fiber) and 30~70% glass fibre.
Described polyolefine fiber is selected from PP fiber or ES fiber, preferred ES fiber.
Described light composite board is white or canescence, and surface density is 800~1600g/m
2
The present invention also provides a kind of production method of above-mentioned light composite board, and the method comprises the following steps:
(1) felt Wiring technology flow process
ES fiber and glass fibre are opened bag, sheared, carrying out respectively shredding and process, then carry out combing, is that 30~70% ES fiber and mass percent are that 30~70% glass fibre is paved into lace curtaining together with mass percent, carry out at last acupuncture and process, shear rolling;
(2) cure the Wiring technology flow process
Set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant respectively is 110~120 ℃ and 130~140 ℃, and the heating wire oven temperature is 170~220 ℃, and the IR bake temperature is 140~170 ℃; Unreel and draw felt, after basic felt entered baking oven, the speed that unreels was synchronizeed with line speed, carries out heating plasticizing for the first time, and temperature is 140-170 ℃; Pre-molding carries out heating plasticizing for the second time, and heating-up temperature is 170~220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water cooled rolls roll-in, according to the single requirement of technique, be cut into required sheet material.
Described ES fibre length is between 60-80mm, and preferred model is 5.5D * 76mm.
Described glass fibre length is between 60-80mm, and preferred model is 2400tex * 80mm.
It is described that to unreel that speed synchronizes with line speed be 1~4m/min.
In felt Wiring technology flow process, require:
1. to the length of raw material composite fibre (ES fiber) and fortifying fibre (glass fibre), fineness degree, the indexs such as the ratio of composite fibre are in strict accordance with technological requirement.
2. hold the technological principle that tip-tap is hit, hanged down drawing-off, low speed ratio in producing, reduce the hitting dynamics to fiber as far as possible, avoid too much fiber loss, make fiber become smoothly net, and guarantee to contain in the pin felt part bundle fiber, by improving hot strength, the fracture strength of thermoplastic fibre composite board after pinprick reinforcement, reduce the performances such as shrinkage factor, warpage rate.
3. control draft speed, punch frequency, needling density, the depth of needling of fibre web during acupuncture, make basic felt have certain intensity and density, can resist suffered resistance in coiling and recombination process and not produce change in size, and the uniformity when having good gas permeability and heat bonding, improve the quality of thermoplastic fibre composite board.
The present invention also provides a kind of above-mentioned light composite board to make the method for automotive upholstery ceiling, and the method comprises the following steps:
Light composite board is carried out cutting according to required size, remove slitter edge and obtain the ceiling skeleton; Be heated to be 170~220 ℃, and the applying facial ornament layered material decoration ceiling skeleton that obtains thickening; Carry out mold pressing under normal temperature under corresponding mould, pressure is 0.05-0.5MPa, and clamp time is 20-40s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.
Described facial ornament layered material requires different according to the different automobile types ceiling, the topcoat material is also different, is generally grey nonwoven cloth.
The present invention also provides a kind of above-mentioned light composite board to make the method for automotive upholstery protection base plate, and the method comprises the following steps:
With light composite board as requested size carry out cutting, remove slitter edge and obtain protecting base plate skeleton sheet material; Add thermal expansion in 170-220 ℃; Carry out flanging closure and punch forming after cooling, the punching press time is 0.1-1s; Remove unnecessary side crops, arrange lateral opening burr, the check warehouse-in namely gets the automobile protective base plate.
The present invention compares with prior art, has the following advantages and beneficial effect:
1, light composite board excellent combination property of the present invention, product weight is light, good rigidly, sound-absorption and heat-insulation are effective; Also be beneficial to simultaneously environmental protection, easily reclaim.
2, the production method of light composite board of the present invention is simple, is easy to industrialization production.
3, the automotive upholstery ceiling made of light composite board of the present invention has lighter weight, excellent rigidity, and good sound-absorption and heat-insulation performance.
4, light composite board of the present invention can make that product weight alleviates, cost, makes the designer of product have larger design freedom.
5, light composite board of the present invention can be applied to the different aspect of automotive upholstery according to the difference of content of glass fiber, and wherein, the light weight board of 40% glass fiber content is suitable as protection base plate, load-carrying floor and the sunshade etc. of automobile.
The specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Embodiment 1
Take raw material (kg) according to following weight: glass fibre 100 (the quality percentage composition is 50%), ES fiber 100 (the quality percentage composition is 50%);
Produce the method for light composite board: Fig. 1 is felt Wiring technology schematic flow sheet.
Be that 76mm, fiber number are that the ES fiber of 5.5D is opened bag, sheared with 100kg length, send into and open the machine B of sending and carry out shredding and process, enter carding machine B through blower fan, large storehouse B, the valve of distributing cotton, enter after combing and be paved into lace curtaining in lapping machine.100kg length 80mm, line density are that the 2400tex glass fibre is opened bag, sheared, send into and open the machine A of sending and carry out shredding and process, enter carding machine A through blower fan, large storehouse A, the valve of distributing cotton, combing enters in lapping machine afterwards and the ES fiber in epimere is paved into lace curtaining together, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
Fig. 2 is for curing the Wiring technology schematic flow sheet.
Design temperature
Adjust roll spacing and vertical/horizontal cutting knife length and width degree (according to being thickness and the fabric width of sheet material) according to technological parameter.
Hot composite roll heat temperature raising.Be " 75 ℃ of top rolls; 90 ℃ of lower rolls " with the Temperature Setting on the composite roll temperature control panel, switching knob transfers to " opening ", after this use infrared temperature-measuring gun to measure the once temperature of up and down composite roll every 10 minutes, when upper roll temperature arrives 125 ℃, when lower roll temperature arrived 145 ℃, stopped heating transferred to switching knob " pass ".When upper roll temperature drops to 115 ℃, when lower roll temperature drops to 135 ℃, open heating, with switching knob modulation " opening ".This process will be carried out aborning repeatedly, finishes until produce.This Temperature Setting is to set according to the PP glued membrane, and after the glued membrane that more renews, Temperature Setting needs to reset according to technological parameter.Heating wire baking oven heat temperature raising.On baking oven switch board touch-screen, set heating-up temperature according to the temperature parameter that technique provides, in 170-220 ℃ of scope, with the baking oven heating starting.
The IR bake heat temperature raising.On baking oven switch board touch-screen, set heating-up temperature in 140-170 ℃ according to the temperature parameter that technique singly provides.Temperature control mode is transferred to closed loop, open four heating subregions under shutdown mode, then shutdown mode is transferred to power on mode, begin to heat up.
Unreel and draw felt
Open unreeling machine, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed.Production line draws the speed of felt speed must be greater than normal production the time, is 3m/min, and is automatic mode.
When unreeling, preparing the traction of compound glued membrane and nonwoven near hot composite roll.
When drawing felt, guarantee that basic felt presses the parallel introducing of production line direction, when basic felt will be by IR bake, rise pony press, provoke basic felt leading portion with waddy and send in pony press, even up until basic felt and fall pony press after whole.
Plasticizing forming
Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent into roll-forming in hot composite roll.Annotate:
1. after the basic felt after precompressed enters the heating wire baking oven, open the searchlight of baking oven front end, and in time observe the basic felt situation in baking oven, if find the anomalies such as basic felt surface smolders, in time take emergency measures.
When basic felt by after the heating wire baking oven, rise hot composite roll and two water cooled rolls, and provoke basic felt leading portion with waddy and send in hot composite roll, even up until basic felt and fall hot composite roll after whole; At this moment, pressure is not too big, and softening basic felt easily is out of shape.
The sheet material cutting
When being sent to longitudinal cutter through water cooled rolls cooled sheet material, open in length and breadth to cutting knife, according to the single requirement of technique, be cut into fabric width 1.6m, surface density is 1100g/m
2White light weight board.Performance test sees Table 1.
Embodiment 2
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 140 (the quality percentage composition is 70%), ES fiber 60 (the quality percentage composition is 30%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 140kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 60kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 2.5m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, surface density 1350g/m
2White light weight board.
Embodiment 3
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 120 (the quality percentage composition is 60%), ES fiber 80 (the quality percentage composition is 40%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 120kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 80kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 4m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, surface density 1200g/m
2White light weight board.
Embodiment 4
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 80 (the quality percentage composition is 40%), ES fiber 120 (the quality percentage composition is 60%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 80kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 120kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 1m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, surface density is 950g/m
2White light weight board.Performance test sees Table 1.
Embodiment 5
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 80 (the quality percentage composition is 40%), ES fiber 120 (the quality percentage composition is 60%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 80kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 120kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 3m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 2.0m, surface density is 950g/m
2White light weight board.
Embodiment 6
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 60 (the quality percentage composition is 30%), ES fiber 140 (the quality percentage composition is 70%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 60kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 140kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 2.5m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, surface density 900g/m
2White light weight board.
Embodiment 7
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 100 (the quality percentage composition is 50%), ES fiber 100 (the quality percentage composition is 50%);
Be that 76mm, fiber number are that the 100kg length of the ES fiber of 5.5D is that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 100kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 3m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 2.0m, surface density is 1100g/m
2White light weight board.
Embodiment 8
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 100 (the quality percentage composition is 50%), ES fiber 100 (the quality percentage composition is 50%);
Be that 76mm, fiber number are that the 100kg length of the ES fiber of 5.5D is that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 100kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 1m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, surface density is the white light weight board of 1100g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain the ceiling skeleton; Add thermal expansion in 170-220 ℃, and the applying grey nonwoven cloth decoration ceiling skeleton that obtains thickening; Carry out mold pressing at normal temperatures under corresponding mould, pressure is 0.05MPa, and clamp time is 20-s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.
Embodiment 9
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 100 (the quality percentage composition is 50%), ES fiber 100 (the quality percentage composition is 50%);
Be that 76mm, fiber number are that the 100kg length of the ES fiber of 5.5D is that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 100kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 1.5m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 2.0m, surface density is the white light weight board of 1100g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain the ceiling skeleton; Add thermal expansion in 170-220 ℃, and the applying grey nonwoven cloth decoration ceiling skeleton that obtains thickening; Carry out mold pressing at normal temperatures under corresponding mould, pressure is 0.1MPa, and clamp time is 25s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.
Embodiment 10
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 80 (the quality percentage composition is 40%), ES fiber 120 (the quality percentage composition is 60%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 80kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 120kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 2m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, the white light weight board of surface density 950g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain the ceiling skeleton; Add thermal expansion in 170-220 ℃, and the applying grey nonwoven cloth decoration ceiling skeleton that obtains thickening; Carry out mold pressing at normal temperatures under corresponding mould, pressure is 0.2MPa, and clamp time is 30s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.Performance test sees Table 1.
Embodiment 11
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 80 (the quality percentage composition is 40%), ES fiber 120 (the quality percentage composition is 60%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 80kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 120kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 4m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 2.0m, the white light weight board of surface density 950g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain the ceiling skeleton; Add thermal expansion in 170-220 ℃, and the applying grey nonwoven cloth decoration ceiling skeleton that obtains thickening; Carry out mold pressing at normal temperatures under corresponding mould, pressure is 0.3MPa, and clamp time is 35s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.
Embodiment 12
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 60 (the quality percentage composition is 30%), ES fiber 140 (the quality percentage composition is 70%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 60kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 140kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 3m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, the white light weight board of surface density 900g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain the ceiling skeleton; Add thermal expansion in 170-220 ℃, and the applying grey nonwoven cloth decoration ceiling skeleton that obtains thickening; Carry out mold pressing at normal temperatures under corresponding mould, pressure is 0.4MPa, and clamp time is 40s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.
Embodiment 13
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 120 (the quality percentage composition is 60%), ES fiber 80 (the quality percentage composition is 40%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 120kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 80kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 3m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, the white light weight board of surface density 1200g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain the ceiling skeleton; Add thermal expansion in 170-220 ℃, and the applying grey nonwoven cloth decoration ceiling skeleton that obtains thickening; Carry out mold pressing at normal temperatures under corresponding mould, pressure is 0.5MPa, and clamp time is 30s; Remove unnecessary facial ornament layered material, arrange lateral opening burr, the check warehouse-in namely gets the automotive upholstery ceiling.
Embodiment 14
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 80 (the quality percentage composition is 40%), ES fiber 120 (the quality percentage composition is 60%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 80kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 120kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 3m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 1.6m, the white light weight board of surface density 950g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain protecting base plate skeleton sheet material; Add thermal expansion in 170-220 ℃; Carry out flanging closure and punch forming after cooling on die cutting press, the punching press time is 0.1-1s; Remove unnecessary side crops, arrange lateral opening burr, the check warehouse-in namely gets the automobile protective base plate.Performance test sees Table 1.
Embodiment 15
(1) felt Wiring technology flow process
Take raw material (kg) according to following weight: glass fibre 80 (the quality percentage composition is 40%), ES fiber 120 (the quality percentage composition is 60%);
Be that 76mm, fiber number are that the ES fiber of 5.5D and 80kg length are that 80mm, line density are that the glass fibre of 2400tex is opened bag, sheared with 120kg length, then sending into respectively to open send machine to carry out the shredding processing, enter carding machine through blower fan, Da Cang, the valve of distributing cotton, after combing, ES fiber and glass fibre enter together and are paved into lace curtaining in lapping machine, then by sending the net machine to send into needing machine, after successively the upper thorn machine of process and lower thorn machine carry out the acupuncture processing, enter and shear the lapper rolling, the coiled material fabric width is 1.8-2.2m.
(2) cure the Wiring technology flow process
At first set and regulate the heating-up temperature of composite roll, heating wire baking oven, IR bake; Wherein, the temperature of composite roll upper and lower roll is constant in 115 ℃ and 135 ℃ respectively, and the heating wire oven temperature is in 170-220 ℃, and the IR bake temperature is in 140-170 ℃; Then, open unreeling machine and unreel and draw felt, after basic felt entered baking oven, the speed of unreeling transfers to line speed synchronizeed in 3m/min, and is automatic mode.Adopt IR bake to carry out heating plasticizing for the first time, temperature is 140-170 ℃; Pre-molding adopts pony press to carry out pre-molding; Adopt the heating wire baking oven to carry out heating plasticizing for the second time, heating-up temperature is in 170-220 ℃; Rise hot composite roll, basic felt is sent in hot composite roll, even up until basic felt and fall hot composite roll after whole, simultaneously glued membrane and grey needle punched non-woven fabrics are bonded at respectively on basic felt upper and lower surface, it is together sent in hot composite roll; Be cooled to sheet material through the water-cooled roll-in, according to the single requirement of technique, be cut into fabric width 2.0m, the white light weight board of surface density 950g/m2.
With above-mentioned light weight board as requested size carry out cutting, remove slitter edge and obtain protecting base plate skeleton sheet material; Add thermal expansion in 170-220 ℃; Carry out flanging closure and punch forming after cooling on die cutting press, the punching press time is 0.1-1s; Remove unnecessary side crops, arrange lateral opening burr, the check warehouse-in namely gets the automobile protective base plate.
Table 1
Adopt as can be seen from Table 1 light composite board, roof of the vehicle, the automobile protective base plate of embodiment of the present invention explained hereafter at aspects such as hot strength, bending, impact strength energy, good effect to be arranged all, combination property is good, has the outstanding advantages such as lightweight and energy-saving environmental protection safety as the automotive upholstery product.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and in the General Principle of this explanation is applied to other embodiment and needn't pass through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.