Summary of the invention
The object of the present invention is to provide the automatic continuous production method of a kind of prepreg composite sheet material, overcome defect and deficiency that above-mentioned existing technology mode exists, to all technological parameter modularization managements in production process, real-time adjusting process parameter, produce the prepreg composite sheet material of constant product quality uniformity.Due to the stable performance of product, can be widely used in the every field such as national defence, individual protection, be specially adapted to the occasion that large scale needs continuous material, the stable performance that waste material is few, lap-joint has improved product less; Due to web form, can carry out in the longitudinal direction cutting of version molded dimension arbitrarily, greatly promoted adaptability and the utilization rate of product.
For achieving the above object, preparation method's step of the present invention is:
1) with the preparation of the single-oriented presoaked material of PE film
A) by fibre bundle after creel is derived, through expansion reed, fiber is carried out first location and is evenly spread out, through the fibre bundle spreading out for the first time, by tension force, apply roller, make fibre bundle there is the tension force of uniformity and make it uniform spreading and launch;
B) fiber of flattening is laid in and on sizer, carries out gluing, by upper, cross the tiling fibrage of glue and the PE of lower floor's drawout carries out dryness finalization in 90-180 ℃ after film adhered, then pass through water-cooled cooling rapidly, again after sizing, carry out rolling, obtain single-oriented presoaked material continuous coiled material;
2) the automatic continuous production of quadrature composite sheet material
By step 1) in the single-oriented presoaked material of band PE film that makes to carry out quadrature stacked compound, it is characterized in that, the method is compound by least two-layer single-oriented presoaked material quadrature, concrete steps are as follows: omnidistance Automatic Control, adopt Siemens's servomotor accurately to control, first the single-oriented presoaked material of longitudinal layer is unreeled continuously by 0 °, and carry out glue-spraying device cloth cover fiber layer is carried out to even glue spraying; Then with longitudinal vertical direction on carry out unreeling of horizontal single-oriented presoaked material, make two single-oriented presoaked material at composite adhered place, be 90 ° of quadrature forms, horizontal single-oriented presoaked material is above longitudinal prepreg; By programme-control, make the width that the length of horizontal single-oriented presoaked material stepping is longitudinal single-oriented presoaked material, after feeding, at composite adhered place, carry out the compacting of lamination compound slab, carry out horizontal laser cutting simultaneously; The follow-up stub bar of horizontal prepreg is adopted to the prepreg that presss from both sides cloth head clamping and give next width, longitudinal single-oriented presoaked material stepping simultaneously, the length of stepping is the width-0.5mm~-1mm of horizontal prepreg, guarantee between horizontal cloth width seamlessly, at compound platform place, carry out the bonding above-mentioned processing step that repeats; Through longitudinal traction system, the compound complete prepreg of quadrature is drawn to winding portion, before winding portion, carry out the neat cutting edge of both sides selvedge and process, finally obtain neat as one prepreg composite sheet material product.
The automatic continuous production method of prepreg composite sheet material high efficiency, is characterized in that, the overlap joint between the every width of horizontal single-oriented presoaked material is 0.5~1mm.
The automatic continuous production method of prepreg composite sheet material high efficiency, is characterized in that, longitudinally in pantostrat, is spraying adhesive, guarantees composite products stable performance, and material is soft.
The automatic continuous production method of prepreg composite sheet material high efficiency, is characterized in that, horizontal single orientation fibers layer carries out tentering while regularly cutting, and adopts contactless laser cutting mode, guarantees to cut size accurate, cuts seam thin, and the waste material of generation is few.
The automatic continuous production method of a kind of prepreg composite sheet material high efficiency, it is characterized in that laterally in stepping process, having closed loop sprocket wheel connecting gear, and by folder cloth head clamping stub bar, the folder leftover of bolt of cloth can turn round by full-automatic continuous circulation, thereby guarantees that laterally material volume can be stablized stepping and feeding after cutting.
The automatic continuous production method of prepreg composite sheet material high efficiency, is characterized in that, compound to carrying out dull and stereotyped compacting to compound cloth in length and breadth at compound platform place, the pressure of compound slab is 0.5~2.5MPa.
The automatic continuous production method of prepreg composite sheet material high efficiency, is characterized in that, the temperature of oven dry place is 50-100 ℃;
The automatic continuous production method of prepreg composite sheet material high efficiency, is characterized in that, compound platform place is with heater, and temperature is 60-95 ℃;
With existing process technology scheme contrast, advantage of the present invention: omnidistance servo stepping Automatic Control, can be to all technological parameter modularization managements adjustment in good time, realizing the serialization of quadrature prepreg coiled material produces, make production constant product quality even, improved the scope of application of product.Compound precision is high, and overlapping the slot place width is adjustable, guarantees that lap width is consistent.Complete equipment is simple and practical, program is reasonable.
By single-oriented presoaked material carry out quadrature superimposed after, improved the transverse strength of material, there is good mechanical property (stretch-proof, anti-shearing and shock resistance etc.), can effectively resist external attack.Utilize the advantages such as its proportion is low, quality is light can be widely used in the fields such as national defense safety, individual protection, civilian physical culture.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The automatic continuous production system of a kind of prepreg composite sheet material of the present invention comprises the large module of vertical and horizontal two, separately the prepreg of single orientation is delivered to compound platform place separately, the single-oriented presoaked material cloth of both direction will be compound by adhesive, thereby the Automatic continuous of realizing single-oriented presoaked material is produced, the major function of this system is regularly to cut realizing tentering, guarantee compound precision, greatly enhance productivity.
As shown in Figure 1, longitudinally equipment mechanism comprises unwinding device 1, pinch roll 2, glue-spraying device 3, prebake 4, crosses roller 5, compound platform 6, crosses roller 7, edge-cutting device 8 and wrap-up 9.
As shown in Figure 2, laterally equipment mechanism comprise unwinding device 11, pinch roll 12,14,15, cross roller 13, supporting plate 16,17, folder cloth head unit 18,18 ', closed loop sprocket wheel connecting gear 19 and compound slab 21.
The folder leftover of bolt of cloth 18 is connected with closed loop sprocket wheel connecting gear 19 by power transmission shaft, and closed loop sprocket wheel connecting gear 19 is connected with outside drive motors, thereby realizes accurate movement and the gripping leftover of bolt of cloth of this part.
The operation principle of the automatic continuous production system of a kind of prepreg composite sheet material of the present invention is as follows:
On system longitudinal direction, single-oriented presoaked material yardage roll is emitted from longitudinally unreeling 1, there is one of fibre bundle to face up, band PE pellicular front down, through a pair of pinch roll 2 active-feedings, glue-spraying device 3 is evenly sprayed at adhesive on longitudinal cloth cover, the upper prepreg cloth of crossing glue carries out prebake in oven dry place 4, passed through roller 5, be laid on compound platform 6, compound platform 6 be fix and with heating, drying equipment, the single-oriented presoaked material that gluing is complete is dried, now longitudinally cloth remains static.When horizontal cloth with it quadrature compound after, longitudinally continue to move ahead, the distance moving ahead is the fabric width-0.5mm~-1mm of horizontal cloth, stop and continue compound second horizontal material, compound complete cloth passed through roller 7 and neatly cut through 8 pairs of both sides selvedges of selvedge cutting apparatus, finally finished fabric was furled and was taken on Scroll 9.
In system in a lateral direction, laterally on unwinding device 11, emit material volume, band PE pellicular front upward, fibrous face down, through horizontal pinch roll 12 active-feedings, passed through roller 13, at pinch roll 14, under 15 pinching, deliver in the folder leftover of bolt of cloth 18 position A, the folder leftover of bolt of cloth 18 is treadmills, when stub bar enters into the gap of flat board, upper grip falls and presss from both sides cloth, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width distal-most end under the transmission of closed loop sprocket wheel connecting gear 19, the fabric width of the cloth distance that the folder leftover of bolt of cloth pinches for longitudinally expecting, the folder leftover of bolt of cloth 18 in B position ' motion simultaneously simultaneously, reach the original position A of the folder leftover of bolt of cloth 18, the folder leftover of bolt of cloth 18 in-position B, now compound slab 21 falls under the effect of left and right sides cylinder 22 that horizontal cloth and longitudinal cloth are carried out to compacting is compound, 20 pairs of horizontal cloth specimens of laser cutting carry out fly-cutting simultaneously, after treating laser cutting, compound slab 21 lifts, what longitudinally cloth carried out next width walks material automatically, the upper longitudinal single-oriented presoaked material of crossing glue is delivered to compound platform place, laterally cut complete stub bar at pinch roll 14 and supporting plate 16, under 17 effect, deliver in pinch roll 15, when stub bar is delivered to the place, gap in the folder leftover of bolt of cloth 18, the upper folder leftover of bolt of cloth falls, stub bar is firmly grasped, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width farthest under the transmission of closed loop sprocket wheel connecting gear 19, repeat above-mentioned laser cutting, the actions such as compound slab pressing.Laser cutting 20 is successively to send laser by laser generator, laser cutting head moves back and forth by the deflector roll of self, the horizontal laser light of generating laser is reflected into vertical light path through one group of speculum through horizontal optical path, thereby realize, successively cut, by control system, realize stopping of transmitter and start launch time, primary event owing to adopting, greatly reduces energy loss, has improved and has cut efficiency.
Longitudinally unreel, longitudinally rolling, pinch roll, laterally to unreel what all adopts be the action that servomotor is controlled movement, each servomotor is connected separately with control system.Longitudinally unreel 1, longitudinally rolling 9, pinch roll 2,12,14,15, glue-spraying device 3, laser cutting 20, laterally unreel 11, the folder leftover of bolt of cloth 18,18 ', compound slab 21, closed loop sprocket wheel connecting gear 19 be all connected with control system, in control system, there is center-control main program, by position signalling detection, feedback and signal, export, realize automatic continuous production.
Below in conjunction with the specific embodiment, technical scheme of the present invention is described in further detail, not technical scope of the present invention is imposed any restrictions, it is only preferred embodiment of the present invention, therefore every foundation technical spirit of the present invention, to any trickle modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention.
Embodiment 1
Single-oriented presoaked material yardage roll is emitted from longitudinally unreeling 1, there is one of fibre bundle to face up, band PE pellicular front down, through a pair of pinch roll 2 active-feedings, glue-spraying device 3 is evenly sprayed at adhesive on longitudinal cloth cover, the upper prepreg cloth of crossing glue carries out prebake in oven dry place 4,80 ℃ of bake out temperatures, passed through roller 5, be laid on compound platform 6, compound platform 6 be fix and with heating, drying equipment, temperature is 65 ℃, the single-oriented presoaked material that gluing is complete is dried, and now longitudinally cloth remains static.When horizontal cloth with it quadrature compound after, longitudinally continue to move ahead, the distance moving ahead is the fabric width-0.7mm of horizontal cloth, stop and continue compound second horizontal material, compound complete cloth passed through roller 7 and neatly cut through 8 pairs of both sides selvedges of selvedge cutting apparatus, finally finished fabric was furled and was taken on Scroll 9.
In system in a lateral direction, laterally on unwinding device 11, emit material volume, band PE pellicular front upward, fibrous face down, through horizontal pinch roll 12 active-feedings, passed through roller 13, at pinch roll 14, under 15 pinching, deliver in the folder leftover of bolt of cloth 18 position A, the folder leftover of bolt of cloth 18 is treadmills, when stub bar enters into the gap of flat board, upper grip falls and presss from both sides cloth, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width distal-most end under the transmission of closed loop sprocket wheel connecting gear 19, the fabric width of the cloth distance that the folder leftover of bolt of cloth pinches for longitudinally expecting, the folder leftover of bolt of cloth 18 in B position ' motion simultaneously simultaneously, reach the original position A of the folder leftover of bolt of cloth 18, the folder leftover of bolt of cloth 18 in-position B, now compound slab 21 falls under the effect of left and right sides cylinder 22 that horizontal cloth and longitudinal cloth are carried out to compacting is compound, the pressure of compound slab is 1MPa, 20 pairs of horizontal cloth specimens of laser cutting carry out fly-cutting simultaneously, after treating laser cutting, compound slab 21 lifts, what longitudinally cloth carried out next width walks material automatically, the upper longitudinal single-oriented presoaked material of crossing glue is delivered to compound platform place, laterally cut complete stub bar at pinch roll 14 and supporting plate 16, under 17 effect, deliver in pinch roll 15, when stub bar is delivered to the place, gap in the folder leftover of bolt of cloth 18, the upper folder leftover of bolt of cloth falls, stub bar is firmly grasped, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width farthest under the transmission of closed loop sprocket wheel connecting gear 19, repeat above-mentioned laser cutting, the actions such as compound slab pressing.
Embodiment 2
Single-oriented presoaked material yardage roll is emitted from longitudinally unreeling 1, there is one of fibre bundle to face up, band PE pellicular front down, through a pair of pinch roll 2 active-feedings, glue-spraying device 3 is evenly sprayed at adhesive on longitudinal cloth cover, the upper prepreg cloth of crossing glue carries out prebake in oven dry place 4,90 ℃ of bake out temperatures, passed through roller 5, be laid on compound platform 6, compound platform 6 be fix and with heating, drying equipment, temperature is 80 ℃, the single-oriented presoaked material that gluing is complete is dried, and now longitudinally cloth remains static.When horizontal cloth with it quadrature compound after, longitudinally continue to move ahead, the distance moving ahead is the fabric width-0.5mm of horizontal cloth, stop and continue compound second horizontal material, compound complete cloth passed through roller 7 and neatly cut through 8 pairs of both sides selvedges of selvedge cutting apparatus, finally finished fabric was furled and was taken on Scroll 9.
In system in a lateral direction, laterally on unwinding device 11, emit material volume, band PE pellicular front upward, fibrous face down, through horizontal pinch roll 12 active-feedings, passed through roller 13, at pinch roll 14, under 15 pinching, deliver in the folder leftover of bolt of cloth 18 position A, the folder leftover of bolt of cloth 18 is treadmills, when stub bar enters into the gap of flat board, upper grip falls and presss from both sides cloth, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width distal-most end under the transmission of closed loop sprocket wheel connecting gear 19, the fabric width of the cloth distance that the folder leftover of bolt of cloth pinches for longitudinally expecting, the folder leftover of bolt of cloth 18 in B position ' motion simultaneously simultaneously, reach the original position A of the folder leftover of bolt of cloth 18, the folder leftover of bolt of cloth 18 in-position B, now compound slab 21 falls under the effect of left and right sides cylinder 22 that horizontal cloth and longitudinal cloth are carried out to compacting is compound, the pressure of compound slab is 1.5MPa, 20 pairs of horizontal cloth specimens of laser cutting carry out fly-cutting simultaneously, after treating laser cutting, compound slab 21 lifts, what longitudinally cloth carried out next width walks material automatically, the upper longitudinal single-oriented presoaked material of crossing glue is delivered to compound platform place, laterally cut complete stub bar at pinch roll 14 and supporting plate 16, under 17 effect, deliver in pinch roll 15, when stub bar is delivered to the place, gap in the folder leftover of bolt of cloth 18, the upper folder leftover of bolt of cloth falls, stub bar is firmly grasped, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width farthest under the transmission of closed loop sprocket wheel connecting gear 19, repeat above-mentioned laser cutting, the actions such as compound slab pressing.
Embodiment 3
Single-oriented presoaked material yardage roll is emitted from longitudinally unreeling 1, there is one of fibre bundle to face up, band PE pellicular front down, through a pair of pinch roll 2 active-feedings, glue-spraying device 3 is evenly sprayed at adhesive on longitudinal cloth cover, the upper prepreg cloth of crossing glue carries out prebake in oven dry place 4,100 ℃ of bake out temperatures, passed through roller 5, be laid on compound platform 6, compound platform 6 be fix and with heating, drying equipment, temperature is 95 ℃, the single-oriented presoaked material that gluing is complete is dried, and now longitudinally cloth remains static.When horizontal cloth with it quadrature compound after, longitudinally continue to move ahead, the distance moving ahead is the fabric width-1mm of horizontal cloth, stop and continue compound second horizontal material, compound complete cloth passed through roller 7 and neatly cut through 8 pairs of both sides selvedges of selvedge cutting apparatus, finally finished fabric was furled and was taken on Scroll 9.
In system in a lateral direction, laterally on unwinding device 11, emit material volume, band PE pellicular front upward, fibrous face down, through horizontal pinch roll 12 active-feedings, passed through roller 13, at pinch roll 14, under 15 pinching, deliver in the folder leftover of bolt of cloth 18 position A, the folder leftover of bolt of cloth 18 is treadmills, when stub bar enters into the gap of flat board, upper grip falls and presss from both sides cloth, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width distal-most end under the transmission of closed loop sprocket wheel connecting gear 19, the fabric width of the cloth distance that the folder leftover of bolt of cloth pinches for longitudinally expecting, the folder leftover of bolt of cloth 18 in B position ' motion simultaneously simultaneously, reach the original position A of the folder leftover of bolt of cloth 18, the folder leftover of bolt of cloth 18 in-position B, now compound slab 21 falls under the effect of left and right sides cylinder 22 that horizontal cloth and longitudinal cloth are carried out to compacting is compound, the pressure of compound slab is 2MPa, 20 pairs of horizontal cloth specimens of laser cutting carry out fly-cutting simultaneously, after treating laser cutting, compound slab 21 lifts, what longitudinally cloth carried out next width walks material automatically, the upper longitudinal single-oriented presoaked material of crossing glue is delivered to compound platform place, laterally cut complete stub bar at pinch roll 14 and supporting plate 16, under 17 effect, deliver in pinch roll 15, when stub bar is delivered to the place, gap in the folder leftover of bolt of cloth 18, the upper folder leftover of bolt of cloth falls, stub bar is firmly grasped, the folder leftover of bolt of cloth 18 is delivered to material longitudinal fabric width farthest under the transmission of closed loop sprocket wheel connecting gear 19, repeat above-mentioned laser cutting, the actions such as compound slab pressing.