CN103707615B - A kind of prepreg automatic continuous production method of composite sheet material high efficiency - Google Patents
A kind of prepreg automatic continuous production method of composite sheet material high efficiency Download PDFInfo
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Abstract
The present invention relates to a kind of prepreg automatic continuous production method of composite sheet material high efficiency.The single-oriented presoaked material of longitudinal layer is unreeled continuously by 0 °, and carries out glue-spraying device cloth cover fiber layer is carried out uniform glue spraying；Then carrying out unreeling of horizontal single-oriented presoaked material on longitudinally perpendicular direction so that two single-oriented presoaked material at compound platform in 90 ° of orthogonal form；Made the width of the single-oriented presoaked material of a length of longitudinal direction of horizontal single-oriented presoaked material stepping by programme-control, at compound platform, carry out being laminated the compacting of compound slab after feeding, carry out horizontal laser cutting simultaneously；Through longitudinal direction clipping system, orthogonal compound complete prepreg traction is processed to winding portion, the neat cutting edge carrying out both sides selvedge before winding portion, finally obtain the neat prepreg continuous composite sheet material product of such as of selvedge.The prepreg composite sheet material material that the present invention is produced can be arranged to cloth volume size according to client's actual requirement, in order to the post-treatment follow-up for client and use.
Description
Technical field
The present invention relates to a kind of composite sheet material, especially relate to a kind of prepreg automatic continuous production method of composite sheet material high efficiency, belong to field of high polymer composite material preparation.
Background technology
Along with science and technology growing, the range of application of composite progressively expands, and from military progressively toward civilian development, develop into daily sports goods etc. from Aero-Space, be both needed to composite used and possess certain mechanical property (such as stretch-proof performance, anti-shear performance, anti-compression properties and shock resistance etc.) and physical property (as low in weight under apparent mass, density performance little, equal etc.).This structural shape of prepreg is mainly used in individual protection and hard-core technology, and owing to this series products relates to safety or the national defense safety of person life, therefore the reliability of product is most important.External attack can be effectively resisted, it is ensured that wearer is comfortable, convenient, can do other action flexibly when burst is unexpected.
Prepreg coiled material on existing market be generally adopted by semi-mechanization produce, manual operations ratio big, being difficult to automatic continuous production, the stable and consistent of material is difficult to ensure that, the quality level of overall material is general, individual variation is big, and the stability that result in product is the highest.There is certain hidden danger in the individual protection industry the highest to properties of product stability requirement in this unstability products application, it is therefore necessary to changes the technology mode on existing market thus the stable and consistent enhanced product performance.
Orthogonal compound manufacture method disclosed in United States Patent (USP) US5173138, wherein a key process technology of the inside is that when prepreg tiles, machinery cut-off knife ensures hemisection when cutting, the fibrous layer only cutting off laying good does not cut off carrier thin film, is difficult to ensure that in practical operation and implementation process.
Chinese patent CN102234934 proposes use the mode of mechanical hand make the fiber of two-layer laying be 0/90 ° orthogonal compound, but owing to prepreg belongs to soft composite material, and monolayer UD is in the horizontal without intensity, therefore unidirectional cloth easily plays fold, causes cloth cover out-of-flatness, use mechanical hand mode to make the various aspects such as calling program more complicated, be really implemented with certain difficulty.
Chinese patent CN85104384 discloses a kind of machine for cross-laying and orthogonal compound method, owing to it is to apply on plastics adhesive-bonded fabric, and the mechanism pinching laterally material is movable clip, the method cannot produce realization continuously at prepreg, due to prepreg material transversely without intensity, the prepreg that only gripping both sides are easily caused on whole fabric width is rived, it is impossible to realize automatic continuous.
Summary of the invention
It is an object of the invention to provide a kind of automatic continuous production method 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, being particularly well-suited to large scale needs the occasion of continuous material, the waste stable performance that material is few, lap-joint improves product less；Due to web form, cutting of any version molded dimension can be carried out in the longitudinal direction, be greatly improved adaptability and the utilization rate of product.
For achieving the above object, the preparation method step of the present invention is:
1) preparation of the single-oriented presoaked material of band PE thin film
A) after fibre bundle being derived from creel, through expansion reed, fiber is positioned for the first time and uniformly spreads out, apply roller through the fibre bundle spread out for the first time by tension force, make fibre bundle have the tension force of uniformity and be allowed to uniform spreading and launch；
B) fiber of flattening is laid on sizer carries out gluing, it is dried sizing in 90-180 DEG C after film adhered for the PE of the upper tiling fibrous layer crossing glue and lower floor's drawout, it is then passed through water-cooled to cool down rapidly, again carries out rolling after sizing, i.e. obtain single-oriented presoaked material continuous coiled material；
2) the automatic continuous production of orthogonal composite sheet material
By step 1) in prepare the band single-oriented presoaked material of PE thin film carry out orthogonal stacking be combined, it is characterized in that, the method is by orthogonal compound at least single-oriented presoaked material of two-layer, specifically comprise the following steps that omnidistance Automatic Control, Siemens Servo motor is used 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 uniform glue spraying；Then carrying out unreeling of horizontal single-oriented presoaked material on longitudinally perpendicular direction so that two single-oriented presoaked material are 90 ° of orthogonal form at composite adhered place, horizontal single-oriented presoaked material is above longitudinal prepreg；Made the width of the single-oriented presoaked material of a length of longitudinal direction of horizontal single-oriented presoaked material stepping by programme-control, carry out being laminated the compacting of compound slab after feeding at composite adhered place, carry out horizontal laser cutting simultaneously；The follow-up stub bar of horizontal prepreg is used folder cloth head clamping and gives the prepreg of next width, the most single-oriented presoaked material stepping, width-the 0.5mm of a length of horizontal prepreg of stepping, it is ensured that laterally seamless between split, carries out bonding at compound platform and repeats above-mentioned processing step；Through longitudinal traction system, orthogonal compound complete prepreg traction is processed to winding portion, the neat cutting edge carrying out both sides selvedge before winding portion, finally obtain the neat prepreg composite sheet material product of such as.
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterised in that the overlap joint between the horizontal every width of single-oriented presoaked material is 0.5～1mm.
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterised in that spray adhesive in being longitudinally continuous layer, it is ensured that composite products stable performance, made of soft.
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterised in that laterally mono-oriented fibrous layer carries out tentering timing when cutting, and uses contactless laser cutting mode, it is ensured that cut size accurate, cuts seam thin, and the waste material of generation is few.
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterized in that during horizontal stepping, there is closed loop sprocket wheel connecting gear, and by folder cloth head clamping stub bar, the folder leftover of bolt of cloth can full-automatic continuous cycle operation, thus ensure that laterally material volume can stablize stepping and feeding after cutting.
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterised in that vertically and horizontally compound cloth carrying out at compound platform flat board compacting compound, the pressure of compound slab is 0.5～2.5MPa.
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterised in that the temperature at drying is 50-100 DEG C；
A kind of prepreg automatic continuous production method of composite sheet material high efficiency, it is characterised in that with heater at compound platform, temperature is 60-95 DEG C；
Contrast with existing process technology scheme, advantages of the present invention: omnidistance servo stepping Automatic Control, to all of technological parameter modularization management and can adjust, it is achieved the continuous prodution of orthogonal prepreg coiled material in good time, make to produce constant product quality uniform, improve the scope of application of product.Compound precision is high, and at overlapping the slot, width is adjustable, it is ensured that lap width is consistent.Complete equipment is simple and practical, program is reasonable.
After single-oriented presoaked material is carried out orthogonal overlapping, improve the transverse strength of material, there is excellent mechanical property (stretch-proof, anti-shearing and shock resistance etc.), can effectively resist external attack.The advantages such as low, the light weight of its proportion are utilized to can be widely used in the fields such as national defense safety, individual protection, civilian physical culture.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention
Fig. 2 is the vertical structure schematic diagram of the present invention
Fig. 3 is the transversary schematic diagram of the present invention
Fig. 4 is horizontal feed clamp cloth apparatus front view
Fig. 5 is horizontal feed clamp cloth apparatus left view
Fig. 6 is continuous yardage roll schematic diagram.
In figure, 1 is longitudinally to unreel, and 2 is longitudinal pinch roll, and 3 is glue-spraying device, 4 is heating, drying device, and 5 was roller, and 6 is compound platform, and 7 was roller, 8 is selvedge cutting edge cutter, and 9 is the yardage roll that stacking is compound, and 11 is laterally to unreel, 12 is horizontal pinch roll, and 13 cross roller, and 14,15 is laterally to cut pinch roll, 16,17 is laterally to cut supporting plate, and 18 is leftover of bolt of cloth clamping and conveying device, and 19 is closed loop sprocket wheel connecting gear, 20 is laser scalpel, and 21 is compound slab mechanism, and 22 is cylinder.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
The automatic continuous production system of the present invention a kind of prepreg composite sheet material includes the big module of vertical and horizontal two, each individually the prepreg of mono-oriented is delivered at compound platform, the single-oriented presoaked material cloth of both direction will be combined by adhesive, thus the Automatic continuous realizing single-oriented presoaked material produces, the major function of this system is to cut realizing tentering timing, ensure compound precision, be greatly improved production efficiency.
As it is shown in figure 1, longitudinal equipment mechanism includes unwinding device 1, pinch roll 2, glue-spraying device 3, prebake 4, excessively roller 5, compound platform 6, crosses roller 7, edge-cutting device 8 and wrap-up 9.
As in figure 2 it is shown, laterally equipment mechanism include unwinding device 11, pinch roll 12,14,15, cross roller 13, supporting plate 16,17, first presss from both sides the leftover of bolt of cloth 18, second and presss from both sides the leftover of bolt of cloth 18 ', closed loop sprocket wheel connecting gear 19 and compound slab 21.The first 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 driving motor, thus realizes the most mobile of this part and the gripping leftover of bolt of cloth.
The operation principle of the automatic continuous production system of the present invention a kind of prepreg composite sheet material is as follows:
On system longitudinal direction, single-oriented presoaked material yardage roll is from longitudinally unreeling releasing 1, the one of fibre bundle is had to face up, band PE pellicular front is down, through a pair pinch roll 2 active-feeding, adhesive is uniformly sprayed on longitudinal cloth cover by glue-spraying device 3, the upper prepreg cloth crossing glue 4 carries out prebake at drying, passed through roller 5, it is laid on compound platform 6, compound platform 6 is fixing and with heating, drying equipment, dries the single-oriented presoaked material that gluing is complete, and now longitudinal cloth remains static.When horizontal cloth orthogonal compound after, longitudinally continue to move ahead, the distance moved ahead is the fabric width of horizontal cloth, the compound second horizontal material of continuation of stopping, compound complete cloth passed through roller 7 and neatly cut both sides selvedge through selvedge cutting apparatus 8, finally finished fabric retracting was taken on Scroll 9.
nullOn system horizontal direction，Laterally release material volume on unwinding device 11，Band PE pellicular front is upward、Fibrous face is down，Through horizontal pinch roll 12 active-feeding，Passed through roller 13，At pinch roll 14、Deliver under the pinching of 15 in the first folder leftover of bolt of cloth 18 original position A，The first folder leftover of bolt of cloth 18 is a treadmill，When gap during stub bar enters into flat board，Upper grip falls and carries out pressing from both sides cloth，Longitudinal fabric width distalmost end delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，The fabric width that cloth distance is longitudinally material that the folder leftover of bolt of cloth pinches，The second folder leftover of bolt of cloth 18 ' being simultaneously in remote location B moves simultaneously，Reach original position A of the first folder leftover of bolt of cloth 18，The first folder leftover of bolt of cloth 18 arrives remote location B，Now compound slab 21 falls under the effect of left and right sides cylinder 22 and carries out being compacted be combined by horizontal cloth and longitudinal cloth，Laser cutting 20 carries out fly-cutting to horizontal cloth specimen simultaneously，After treating laser cutting，Compound slab 21 lifts，Longitudinal cloth carries out the feed automatically of next width，The upper single-oriented presoaked material of longitudinal direction crossing glue is delivered at compound platform，Laterally cut complete stub bar at pinch roll 14 and supporting plate 16、Deliver under the effect of 17 in pinch roll 15，Time at the gap during stub bar delivers to the first folder leftover of bolt of cloth 18，The upper folder leftover of bolt of cloth falls，Stub bar is firmly grasped，Longitudinal fabric width farthest delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，Repeat above-mentioned laser cutting、The actions such as compound slab pressing.Cut 20 is successively to be sent laser by laser generator, laser cutting head is moved 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 reflecting mirror through horizontal optical path, thus realize successively cutting, realize the stopping of emitter by control system and start launch time, due to the primary event used, greatly reduce energy loss, improve and cut efficiency.
Longitudinally unreeling, longitudinal rolling, pinch roll, laterally unreel and all use the action that Serve Motor Control moves, each servomotor is individually connected with control system.Longitudinally unreel 1, longitudinal rolling 9, pinch roll 2,12,14,15, glue-spraying device 3, laser cutting 20, laterally unreel that 11, the first folder leftover of bolt of cloth 18, second presss from both sides the leftover of bolt of cloth 18 ', compound slab 21, closed loop sprocket wheel connecting gear 19 are all connected with control system, control system there are central authorities control mastery routine, detected by position signalling, feed back and signal output, it is achieved automatic continuous production.
Below in conjunction with detailed description of the invention, technical scheme is described in further detail, not the technical scope of the present invention is imposed any restrictions, it it is only presently preferred embodiments of the present invention, therefore every technical spirit according to the present invention is to any trickle amendment made for any of the above embodiments, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Embodiment 1
Single-oriented presoaked material yardage roll is from longitudinally unreeling releasing 1, the one of fibre bundle is had to face up, band PE pellicular front is down, through a pair pinch roll 2 active-feeding, adhesive is uniformly sprayed on longitudinal cloth cover by glue-spraying device 3, the upper prepreg cloth crossing glue 4 carries out prebake at drying, dry temperature 80 DEG C, passed through roller 5, being laid on compound platform 6, compound platform 6 is fixing and with heating, drying equipment, and temperature is 65 DEG C, drying the single-oriented presoaked material that gluing is complete, now longitudinal cloth remains static.When horizontal cloth orthogonal compound after, longitudinally continue to move ahead, the distance moved ahead is the fabric width-0.7mm of horizontal cloth, the compound second horizontal material of continuation of stopping, compound complete cloth passed through roller 7 and neatly cut both sides selvedge through selvedge cutting apparatus 8, finally finished fabric retracting was taken on Scroll 9.
nullOn system horizontal direction，Laterally release material volume on unwinding device 11，Band PE pellicular front is upward、Fibrous face is down，Through horizontal pinch roll 12 active-feeding，Passed through roller 13，At pinch roll 14、Deliver under the pinching of 15 in the first folder leftover of bolt of cloth 18 original position A，The first folder leftover of bolt of cloth 18 is a treadmill，When gap during stub bar enters into flat board，Upper grip falls and carries out pressing from both sides cloth，Longitudinal fabric width distalmost end delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，The fabric width that cloth distance is longitudinally material that the folder leftover of bolt of cloth pinches，The second folder leftover of bolt of cloth 18 ' being simultaneously in remote location B moves simultaneously，Reach original position A of the first folder leftover of bolt of cloth 18，The first folder leftover of bolt of cloth 18 arrives remote location B，Now compound slab 21 falls under the effect of left and right sides cylinder 22 and carries out being compacted be combined by horizontal cloth and longitudinal cloth，The pressure of compound slab is 1MPa，，Laser cutting 20 carries out fly-cutting to horizontal cloth specimen simultaneously，After treating laser cutting，Compound slab 21 lifts，Longitudinal cloth carries out the feed automatically of next width，The upper single-oriented presoaked material of longitudinal direction crossing glue is delivered at compound platform，Laterally cut complete stub bar at pinch roll 14 and supporting plate 16、Deliver under the effect of 17 in pinch roll 15，Time at the gap during stub bar delivers to the first folder leftover of bolt of cloth 18，The upper folder leftover of bolt of cloth falls，Stub bar is firmly grasped，Longitudinal fabric width farthest delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，Repeat above-mentioned laser cutting、The actions such as compound slab pressing.
Embodiment 2
Single-oriented presoaked material yardage roll is from longitudinally unreeling releasing 1, the one of fibre bundle is had to face up, band PE pellicular front is down, through a pair pinch roll 2 active-feeding, adhesive is uniformly sprayed on longitudinal cloth cover by glue-spraying device 3, the upper prepreg cloth crossing glue 4 carries out prebake at drying, dry temperature 90 DEG C, passed through roller 5, being laid on compound platform 6, compound platform 6 is fixing and with heating, drying equipment, and temperature is 80 DEG C, drying the single-oriented presoaked material that gluing is complete, now longitudinal cloth remains static.When horizontal cloth orthogonal compound after, longitudinally continue to move ahead, the distance moved ahead is the fabric width-0.5mm of horizontal cloth, the compound second horizontal material of continuation of stopping, compound complete cloth passed through roller 7 and neatly cut both sides selvedge through selvedge cutting apparatus 8, finally finished fabric retracting was taken on Scroll 9.
nullOn system horizontal direction，Laterally release material volume on unwinding device 11，Band PE pellicular front is upward、Fibrous face is down，Through horizontal pinch roll 12 active-feeding，Passed through roller 13，At pinch roll 14、Deliver under the pinching of 15 in the first folder leftover of bolt of cloth 18 original position A，The first folder leftover of bolt of cloth 18 is a treadmill，When gap during stub bar enters into flat board，Upper grip falls and carries out pressing from both sides cloth，Longitudinal fabric width distalmost end delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，The fabric width that cloth distance is longitudinally material that the folder leftover of bolt of cloth pinches，The second folder leftover of bolt of cloth 18 ' being simultaneously in remote location B moves simultaneously，Reach original position A of the first folder leftover of bolt of cloth 18，The first folder leftover of bolt of cloth 18 arrives remote location B，Now compound slab 21 falls under the effect of left and right sides cylinder 22 and carries out being compacted be combined by horizontal cloth and longitudinal cloth，The pressure of compound slab is 1.5MPa，，Laser cutting 20 carries out fly-cutting to horizontal cloth specimen simultaneously，After treating laser cutting，Compound slab 21 lifts，Longitudinal cloth carries out the feed automatically of next width，The upper single-oriented presoaked material of longitudinal direction crossing glue is delivered at compound platform，Laterally cut complete stub bar at pinch roll 14 and supporting plate 16、Deliver under the effect of 17 in pinch roll 15，Time at the gap during stub bar delivers to the first folder leftover of bolt of cloth 18，The upper folder leftover of bolt of cloth falls，Stub bar is firmly grasped，Longitudinal fabric width farthest delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，Repeat above-mentioned laser cutting、The actions such as compound slab pressing.
Embodiment 3
Single-oriented presoaked material yardage roll is from longitudinally unreeling releasing 1, the one of fibre bundle is had to face up, band PE pellicular front is down, through a pair pinch roll 2 active-feeding, adhesive is uniformly sprayed on longitudinal cloth cover by glue-spraying device 3, the upper prepreg cloth crossing glue 4 carries out prebake at drying, dry temperature 100 DEG C, passed through roller 5, being laid on compound platform 6, compound platform 6 is fixing and with heating, drying equipment, and temperature is 95 DEG C, drying the single-oriented presoaked material that gluing is complete, now longitudinal cloth remains static.When horizontal cloth orthogonal compound after, longitudinally continue to move ahead, the distance moved ahead is the fabric width-1mm of horizontal cloth, the compound second horizontal material of continuation of stopping, compound complete cloth passed through roller 7 and neatly cut both sides selvedge through selvedge cutting apparatus 8, finally finished fabric retracting was taken on Scroll 9.
nullOn system horizontal direction，Laterally release material volume on unwinding device 11，Band PE pellicular front is upward、Fibrous face is down，Through horizontal pinch roll 12 active-feeding，Passed through roller 13，At pinch roll 14、Deliver under the pinching of 15 in the first folder leftover of bolt of cloth 18 original position A，The first folder leftover of bolt of cloth 18 is a treadmill，When gap during stub bar enters into flat board，Upper grip falls and carries out pressing from both sides cloth，Longitudinal fabric width distalmost end delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，The fabric width that cloth distance is longitudinally material that the folder leftover of bolt of cloth pinches，The second folder leftover of bolt of cloth 18 ' being simultaneously in remote location B moves simultaneously，Reach original position A of the first folder leftover of bolt of cloth 18，The first folder leftover of bolt of cloth 18 arrives remote location B，Now compound slab 21 falls under the effect of left and right sides cylinder 22 and carries out being compacted be combined by horizontal cloth and longitudinal cloth，The pressure of compound slab is 2MPa，，Laser cutting 20 carries out fly-cutting to horizontal cloth specimen simultaneously，After treating laser cutting，Compound slab 21 lifts，Longitudinal cloth carries out the feed automatically of next width，The upper single-oriented presoaked material of longitudinal direction crossing glue is delivered at compound platform，Laterally cut complete stub bar at pinch roll 14 and supporting plate 16、Deliver under the effect of 17 in pinch roll 15，Time at the gap during stub bar delivers to the first folder leftover of bolt of cloth 18，The upper folder leftover of bolt of cloth falls，Stub bar is firmly grasped，Longitudinal fabric width farthest delivered under the transmission of closed loop sprocket wheel connecting gear 19 by material by the first folder leftover of bolt of cloth 18，Repeat above-mentioned laser cutting、The actions such as compound slab pressing.
Claims (5)
1. the automatic continuous production method of prepreg composite sheet material high efficiency, described prepreg composite sheet material is by list
Oriented reinforcing fibers collectively constitutes with carrier, and prepreg composite sheet material is orthogonal multiple by two-layer mono-oriented fibrous layer
Conjunction forms, and upper and lower surface is all with PE thin film, it is characterised in that comprise the steps: that (1) will
The single-oriented presoaked material of longitudinal layer unreels continuously, and cloth cover fiber layer is carried out uniform glue spraying, with longitudinal phase
Vertical transversely carries out unreeling of horizontal single-oriented presoaked material so that the single-oriented presoaked material of two-layer is compound
Bonding place is 90 ° of orthogonal form, and horizontal single-oriented presoaked material is above longitudinal prepreg；(2) make
The width of the single-oriented presoaked material of a length of longitudinal direction of horizontal single-oriented presoaked material stepping, multiple after feeding
Close bonding place and carry out being laminated the compacting of compound slab, carry out horizontal laser cutting simultaneously；(3) laterally stepping
During have a closed loop sprocket wheel connecting gear, and by folder cloth head clamping stub bar, the folder leftover of bolt of cloth can be the most continuous
Cycle operation, thus ensure that laterally material volume can stablize stepping and feeding, after horizontal prepreg after cutting
Continuous stub bar uses folder cloth head clamping and gives the prepreg of next width, wherein the detailed process of laterally stepping be
On system horizontal direction, on horizontal unwinding device release material volume, band PE pellicular front upward, fibrous face court
Under, through horizontal pinch roll active-feeding, pass through roller, under the pinching of pinch roll, deliver to the first folder cloth
In head original position, the first folder leftover of bolt of cloth is a treadmill, when gap during stub bar enters into flat board,
Upper grip falls and carries out pressing from both sides cloth, and material is delivered to indulge under the transmission of closed loop sprocket wheel connecting gear by the first folder leftover of bolt of cloth
To fabric width distalmost end, the fabric width that cloth distance is longitudinally material that the folder leftover of bolt of cloth pinches, it is simultaneously in remote location
The second folder leftover of bolt of cloth move simultaneously, reach the original position of the first folder leftover of bolt of cloth, the first folder leftover of bolt of cloth arrives far-end
Position, now compound slab falls under the effect of left and right sides cylinder and is pressed with longitudinal cloth by horizontal cloth
Real compound, laser cutting carries out fly-cutting to horizontal cloth specimen simultaneously, after treating laser cutting, compound
Flat board lifts, and longitudinal cloth carries out the feed automatically of next width, by single-oriented presoaked for the longitudinal direction of upper glue excessively
Material is delivered at compound platform, laterally cuts complete stub bar and delivers to pinch under the effect of pinch roll and supporting plate
In roller, when stub bar is delivered to press from both sides at the gap in the leftover of bolt of cloth, the upper folder leftover of bolt of cloth falls, and is firmly grasped by stub bar, presss from both sides cloth
Material is delivered to longitudinal fabric width farthest, the most longitudinal mono-oriented under the transmission of closed loop sprocket wheel connecting gear by head
Prepreg stepping, the length 0.5mm less than the width of horizontal prepreg of stepping, by automatization's stepping control
System, accurately ensures that the overlap joint between the horizontal every width of the single-oriented presoaked bed of material is 0.5～1mm, at compound platform
Place bonds, and repeats laser cutting, compound slab process for pressing step；(4) through longitudinal traction system
Unite and orthogonal compound complete prepreg is drawn to winding portion, before winding portion, carry out the neat of both sides selvedge
Cutting edge processes.
2. the prepreg automatic continuous production method of composite sheet material high efficiency as described in claim 1, its feature
Being, the horizontal single-oriented presoaked bed of material carries out tentering timing when cutting, and uses contactless laser cutting
Mode.
3. the prepreg automatic continuous production method of composite sheet material high efficiency as claimed in claim 1, its feature exists
In, vertically and horizontally compound cloth is carried out flat board compacting compound at compound platform, the pressure of compound slab
It is 0.5～2.5Mpa.
4. the prepreg automatic continuous production method of composite sheet material high efficiency as described in claim 1, its feature
Being, the temperature at drying is 50-100 DEG C.
5. the prepreg automatic continuous production method of composite sheet material high efficiency as described in claim 4, its feature
Being, with heater at compound platform, temperature is 60-95 DEG C.
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| CN113666152B (en) * | 2021-08-16 | 2023-03-28 | 郑州中远防务材料有限公司 | Unidirectional cloth cross compounding device and compounding method |
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| CN85104384A (en) * | 1985-06-08 | 1986-12-03 | 浙江省皮革塑料工业公司 | Quadrature is spread repeatedly method and machine for cross-laying on the plastics adhesive-bonded fabric |
| US5173138A (en) * | 1990-08-08 | 1992-12-22 | Blauch Denise A | Method and apparatus for the continuous production of cross-plied material |
| TW244340B (en) * | 1992-07-21 | 1995-04-01 | Akzo Nv | |
| CN102234934A (en) * | 2010-04-29 | 2011-11-09 | 上海斯瑞聚合体科技有限公司 | Laid fabric composite coil and manufacturing method thereof |
| CN102632609B (en) * | 2012-04-24 | 2014-04-02 | 东华大学 | Continuous molding device for fiber reinforced composite pipes |
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| CN102535019A (en) * | 2012-02-13 | 2012-07-04 | 西安航天华阳印刷包装设备有限公司 | Composite and continuous cross-stacking production system for no-woven cloth |
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