CN105599313A - Double-layer-butt-joint multi-edge three-dimensional structural slab production technology, continuous production forming device and structural slab - Google Patents
Double-layer-butt-joint multi-edge three-dimensional structural slab production technology, continuous production forming device and structural slab Download PDFInfo
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- CN105599313A CN105599313A CN201610122274.7A CN201610122274A CN105599313A CN 105599313 A CN105599313 A CN 105599313A CN 201610122274 A CN201610122274 A CN 201610122274A CN 105599313 A CN105599313 A CN 105599313A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/02—Combined thermoforming and manufacture of the preform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
- B29C51/105—Twin sheet thermoforming, i.e. deforming two parallel opposing sheets or foils at the same time by using one common mould cavity and without welding them together during thermoforming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
- B29C51/20—Thermoforming apparatus having movable moulds or mould parts
- B29C51/24—Thermoforming apparatus having movable moulds or mould parts mounted on movable endless supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a double-layer-butt-joint multi-edge three-dimensional structural slab production technology, a continuous production forming device and a structural slab. The production technology includes the steps that two pre-formed sheets are led into the crawler-type forming device and sucked and attached to the surfaces of the inner sides of a pair of oppositely-arranged forming steel belts respectively, the two ends of the forming steel belts are driven through transmission rollers for transmission, male dies are regularly embedded into the surfaces of the forming steel belts, and needle holes communicated with negative pressure space are formed in the bottom faces of the forming steel belts. According to the double-layer-butt-joint multi-edge three-dimensional structural slab production technology, the continuous production forming device and the structural slab, multi-edge three-dimensional protrusion parts are formed with a male-die vacuum plastic sucking method, the flat bottoms of the protrusion parts made with the method are located at the upper portions of the dies, the surfaces of the sheets are located at the bottoms of the dies, the flat bottoms of the sheets are not stretched, materials on the upper surfaces and the side walls are stretched by large vacuum plastic suction area, the thickness of the side walls of the made protrusion parts is good in evenness, and therefore the overall bending strength of the protrusion parts is high.
Description
Technical field
The present invention relates to the polygon stereochemical structure board production technology of a kind of double-deck docking, continuously produce former andStructural slab.
Background technology
At present, double-decker plate, is first preformed two sheet materials to be made to polygon three-dimensional knot through vacuum formingStructure skeleton, then will at the bottom of two structural frameworks, the end is hot bonding and make the polygon stereochemical structure plate product of double-deck dockingProduct.
But traditional vacuum forming production method, adopts die vacuum forming method more, and process is die entrancePlace's material produces to stretch through vacuum forming and is adsorbed on die sidewall and bottom, makes three-dimensional framework. Due to recessedMould porch area is very little, so the wall ratio of the three-dimensional framework of making after plastic uptake is thinner, and sidewall fromSurface attenuation gradually to bottom, flat the thinnest, as shown in Figure 1, so, the solid knot made from its skeletonStructure wooden partition thickness ununiformity is even, and intensity is not high yet.
And if punch moulding is set on format roll, when roller shaped article is peeled off, punch is had to angle requirement,As shown in Fig. 7 a and Fig. 7 b, °-75 °, α=55, peel angle α be punch sloped sidewall place plane withThe acute angle of mould bottom surface, i.e. cone inclination angle, can not produce the larger product of α angle numerical value, can only be necessarilyIn angular range, can do, because the peel angle α scope of roller moulding is less.
Summary of the invention
The present invention is directed to the proposition of above problem, and the polygon stereochemical structure plate of a kind of double-deck docking of research and design is rawProduction. art, produce former and structural slab continuously, in order to solve existing double-decker board production technology andThe not high shortcoming of double-decker plate intensity of equipment processing procedure. The technological means that the present invention adopts is as follows:
The polygon stereochemical structure board production technology of a kind of double-deck docking, comprising: two preformed sheet materials are introduced and carried outIn band shaped device; Two preformed sheet materials are attracted respectively and are attached to the one-tenth shaped steel of pair of opposingBand inner surface, described shaped-steel strip two ends drive transmission by live-roller, described shaped-steel strip surfaceRule is inlaid with punch, and described shaped-steel strip bottom surface is provided with the pin hole that is communicated with negative pressure space.
In production, two preformed sheet material negative pressure of melting sheet material form multiple hollow lug bosses, described inPunch be polygon taper punch, and make the flat top that is placed in mould of punch, the surface of sheet material is placed inThe bottom of mould, described hollow lug boss is consistent with the shape of punch.
The flat correspondence of lug boss end face of two preformed sheet materials of melting sheet material is hot bonding, and twoShaped-steel strip keeps straight line squeezed state to the transmission of preformed sheet forming process, exports through shaped-steel strip endStripping forming.
As preferably producing negative pressure when the vacuum pump work, make vacuum forming piece, vacuum air drain and pin hole formationNegative pressure space, make to attract and be attached to the effect in negative pressure of fused materials preformed sheet material on shaped-steel stripUnder fill up sidewall and the shaped-steel strip surface of punch, form hollow lug boss.
Arrange for two shaped-steel strip front end relative levels of moulding as preferred centre, end demoulding partTwo shaped-steel strips are the setting of β angle relatively by deflector roll is spacing.
After molded two flat being fitted and connected of preformed sheet material of preferred negative, support through sizing successivelyDevice is hot bonding, cooling device cooling and shaping, the demoulding, traction and severing; Two described preformation matrixMaterial is that extruder feed is through bimodulus head or single mode head dual channel head production moulding.
A kind of former of producing continuously, comprising:
For the extruder of resin raw material, inserts and functional aid mixing feed, for preformed sheet materialThe die head device of production moulding and for preformed sheet material vacuum forming, be hot bonding, the shoe of cooling and shapingBand shaped device.
Described shaped device comprises the live-roller for transmission before and after two shaped-steel strips and shaped-steel strip, twoBar shaped-steel strip is that horizontal plane datum level is setting up and down in the preformed sheet material of die head device moulding, the one-tenth of topSteel band of model is along with the live-roller horizontal direction transmission rotating counterclockwise, and the shaped-steel strip of below is along with turning clockwiseMoving live-roller horizontal direction transmission.
Shaped-steel strip rule of surface is inlaid with punch, and the shaped-steel strip surface between punch is provided with pin hole, pin holeBe communicated with successively live-roller outside the vacuum air drain having and the vacuum forming piece that is arranged at live-roller end.
In the moulding transmission direction of preformed sheet material, on shaped device, there is successively shaping area, shaping area, coldBut district and demoulding district.
Between the shaped-steel strip of two groups up and down of shaping area and live-roller, have ensure that preformed sheet material introduces betweenGap; The shaped-steel strip mould outside of shaping area, is oppositely arranged and is useful on two fused materials preformed sheet materialsThe sizing bracing or strutting arrangement being hot bonding; The shaped-steel strip mould outside of cooling zone, is oppositely arranged and is useful on one-tenthThe cooling device of the structural slab cooling forming after type; Between the shaped-steel strip and live-roller of two groups up and down in demoulding districtThere is the gap that ensures that preformed sheet material is drawn.
The two shaped-steel strip inner sides as preferred demoulding district are respectively arranged with one for spacing shaped-steel strip positionDeflector roll, make two shaped-steel strips in demoulding district by deflector roll and the setting of the spacing β of the being angle of demoulding district live-roller.
Be evenly equipped with multiple independent vacuum air drains that arrange, each vacuum as the live-roller outside of preferred shaping areaAir drain end has a roller side opening, and the port of vacuum forming piece sliding end is used for being communicated with roller side opening, trueThe port that piece stiff end is moulded in suction is communicated with vacuum tube, and the limited post that vacuum forming piece stiff end has injects frameSpacing fixing in the slotted eye of upper junction plate, on limited post, be arranged with sliding end for promoting vacuum forming piece withThe spring that shaping area live-roller sidewall is combined closely.
Be bimodulus head or single mode head dual channel head as preferably described die head device, described moulding dressSet terminal is connected with haulage gear, cutting device and product platform in turn; The correspondence of upper and lower two shaped-steel stripsOn live-roller, be separately installed with lowering or hoisting gear for being adjusted to gap between steel band of model, synchronously go up lower driving rollerThe positioning and locking device of lower driving roller on synchromesh gear, location; Live-roller provides to rotate by driving motor and movesPower, the locking positioning of positioning and locking device provides power by Hydranlic tensioner.
The polygon stereochemical structure plate of a kind of double-deck docking, described structural slab is for being the polygon solid of above-mentioned double-deck dockingThe bilayer that structural slab production technology is made docks polygon stereochemical structure plate.
Be compounded with hard sheet, nonwoven or cystosepiment as preferably described structural slab two sides; Described knotStructure plate is the two-layer bonding doubling plate forming of the flat docking of sheet material with the hollow lug boss of polygon taper, described inThe hollow lug boss of polygon taper be four, five, six, seven, one or more in eight-sided formation.
Compared with the prior art, the polygon stereochemical structure board production technology of double-deck docking of the present invention, continuousProduce former and structural slab, adopt punch vacuum forming method to make polygon three-dimensional lug boss, this methodThe lug boss of making is flat on mould top, and sheet surface is at mold bottom, and the flat bottoms of sheet material does not produce drawsStretch, upper surface and sidewall material due to vacuum forming large area produce stretch, the lug boss side thickness of making andAnd uniformity, so lug boss integrally bending intensity is high.
The polygon stereochemical structure board production technology of double-deck docking of the present invention, produce former and knot continuouslyStructure plate, is hot bonding the flat of two sheet materials with lug boss the end of to, then after cooling and shaping i.e. systemBecome the polygon stereochemical structure panel products of double-deck docking. So, the polygon stereochemical structure plate that utilizes this technology to makeProduct strength is very high, thickness evenness, goods flatness might as well, in addition owing to adopting at the bottom of lug boss the end ofThe method of double-deck docking, product can be made significantly thicker, intensity can be higher.
The polygon stereochemical structure board production technology of double-deck docking of the present invention, produce former and knot continuouslyStructure plate, docks the compound upper hard sheet in polygon stereochemical structure plate two sides by bilayer, can make building wall board,Imitative wooden furniture sheet material, imitated wood floor board etc.; Surface more compound layer of non-woven fabric, cystosepiment can be used in replacement vapourUpholstery plate, and quality of item is light, intensity is high, environmental protection, saving material. So, develop this productProduct prospect is vast, considerable benefit.
Brief description of the drawings
Fig. 1 is traditional die vacuum forming method shaping schematic view.
Fig. 2 is punch vacuum forming method shaping schematic view of the present invention.
Fig. 3 is double-decker plate schematic diagram of the present invention.
Fig. 4 a is bimodulus head entirety continuous producing apparatus schematic diagram of the present invention.
Fig. 4 b is single mode head dual channel head entirety continuous producing apparatus schematic diagram of the present invention.
Fig. 5 a is crawler type shaped device front view of the present invention.
Fig. 5 b is crawler type shaped device top view of the present invention.
Fig. 5 c is crawler type shaped device side view of the present invention.
Fig. 5 d is the structure for amplifying schematic diagram at Fig. 5 aM place.
Fig. 6 is the double-decker plate schematic diagram that is compounded with hard sheet and nonwoven.
Fig. 7 a is the schematic diagram of roller former.
Fig. 7 b is the enlarged diagram at the I place of Fig. 7 a.
Fig. 8 is the crawler type shaped device schematic diagram that demoulding peel angle of the present invention regulates.
Fig. 9 is the local amplification view of plastic uptake live-roller of the present invention with frame junction.
Figure 10 is the schematic diagram at the roller side opening place of plastic uptake live-roller of the present invention.
Figure 11 is the amplification view of vacuum forming piece of the present invention with frame junction.
Wherein: 1, vacuum forming piece, 2, lowering or hoisting gear, 3, shaped-steel strip, 4, plastic uptake live-roller, 5,Sizing bracing or strutting arrangement, 6, cooling device, 7, main drive roller, 8, synchromesh gear, 9, positioning and locking device,10, driving motor, 11, Hydranlic tensioner, 12, vacuum air drain, 13, punch, 14, pin hole, 15,Deflector roll, 16, roller side opening, 17, spring, 18, frame upper junction plate, 19, limited post, 20, vacuumPipe;
A, extruder, C, shaped device, D, haulage gear, E, cutting device, F, product platform,B1, bimodulus head, B2, single mode head dual channel head.
Detailed description of the invention
As shown in the figure, the polygon stereochemical structure board production technology of a kind of double-deck docking, comprises the following steps:
First, after being mixed according to a certain ratio, resin, inserts and other functional aid add extruder AIn hopper, produce two preformed sheet materials by extruder A.
Again two preformed sheet materials are introduced in crawler type shaped device C; Concrete is by two preformation matrixMaterial attracts respectively and is attached to shaped-steel strip 3 inner surfaces of pair of opposing, described shaped-steel strip 3Two ends drive transmission by live-roller, and described shaped-steel strip 3 rules of surface are inlaid with punch 13, describedShaped-steel strip 3 bottom surfaces are provided with the pin hole 14 that is communicated with negative pressure space.
In production, in the time of vacuum pump work, produce negative pressure, make vacuum forming piece 1, vacuum air drain 12 and pin hole14 negative pressure space that form, are bearing the fused materials preformed sheet material that attracts and be attached on shaped-steel strip 3Sidewall and shaped-steel strip 3 surfaces of under the effect of pressing, filling up punch 13, form hollow lug boss. Described is protrudingMould 13 is polygon taper punch, and makes the flat top that is placed in mould of punch 13, and put on the surface of sheet materialIn the bottom of mould, described hollow lug boss is consistent with the shape of punch 13.
The lug boss end face of two preformed sheet materials of melting sheet material is flat right through sizing bracing or strutting arrangement 5Should be hot bonding (of the present invention bonding, refer to " hot melt adhesion ", i.e. molten condition in industry slangBeing connected and fixed of two sheet materials), and keep straight line to squeeze at two shaped-steel strips 3 to the transmission of preformed sheet forming processPressure condition, through cooling device 6 cooling and shapings, through shaped-steel strip 3 end output stripping formings, finally passes throughAfter haulage gear D traction and cutting device E severing, be delivered on product platform F.
As shown in Fig. 4 a and Fig. 4 b, two described preformed sheet materials are that extruder A feed is through bimodulus headOr single mode head dual channel head production moulding, and can realize an extruder feed pair and get to know, also canTwo extruders respectively feed two is got to know.
As shown in Figure 8, as the preferred moulding process of another kind, middle two shaped-steel strips 3 for mouldingFront end relative level arranges, and two shaped-steel strips 3 of end demoulding part are by the spacing β angle that is relatively of deflector roll 15Degree arranges, and 0 °≤β≤30 °, the maximum peel angle can increase the demoulding time, making this peel angle is α+ β/2, are greater than roller moulding peel angle α (α=55 °-75 °), and peel angle scope of the present invention is expandedGreatly to 55 °-90 °, therefore the angle dissection scope of crawler type shaped-steel strip will be much larger than the peel angle of roller mouldingDegree.
As shown in Fig. 2, Fig. 4 a, Fig. 4 b, Fig. 5 a-Fig. 5 d, a kind of former of producing continuously, comprising:
For the extruder A of resin raw material, inserts and functional aid mixing feed, for preformed sheet materialThe die head device of production moulding and for preformed sheet material vacuum forming, be hot bonding, the shoe of cooling and shapingBand shaped device C, i.e. the double-deck docking of steel band type shaped device; Described die head device is bimodulus head B1Or single mode head dual channel head B2.
The resin raw material that extruder A feed uses comprises polyethylene, polypropylene, polyvinyl chloride, polyester, Buddhist nunDragon etc.; Inserts comprises talcum powder, calcium carbonate, mica, glass fibre etc.; Functional aid comprises couplingAgent, stabilizing agent, plasticizer, lubricant, flexibilizer, antioxidant, antistatic additive, ultra-violet absorber etc.
Described shaped device C comprises the transmission for transmission of two shaped-steel strips 3 and shaped-steel strip 3 front and backRoller, two shaped-steel strips 3 are that horizontal plane datum level is setting up and down in the preformed sheet material of die head device moulding,The shaped-steel strip 3 of top is along with the live-roller horizontal direction transmission rotating counterclockwise, the shaped-steel strip 3 of belowAlong with the live-roller horizontal direction transmission clockwise rotating, on the corresponding live-roller of upper and lower two shaped-steel strips 3Be separately installed with lowering or hoisting gear 2 for being adjusted to 3 gaps of steel band of model, synchronously go up the synchronous gear of lower driving rollerThe positioning and locking device 9 of lower driving roller on wheel 8, location. Live-roller provides to rotate by driving motor 10 and movesPower, the locking positioning of positioning and locking device 9 provides power by Hydranlic tensioner 11.
Shaped-steel strip 3 rules of surface are inlaid with punch 13, and shaped-steel strip 3 surfaces that punch is 13 are provided with pinHole 14, pin hole 14 is communicated with successively the vacuum air drain 12 that live-roller outside has and is arranged at live-roller endVacuum forming piece 1.
In the moulding transmission direction of preformed sheet material, on shaped device, there is successively shaping area, shaping area, coldBut district and demoulding district; Between the shaped-steel strip 3 of two groups up and down of shaping area and live-roller, there is the preformation of guarantee matrixThe gap that material is introduced; The shaped-steel strip 3 mould outsides of shaping area, are oppositely arranged and are useful on two fused massThe sizing bracing or strutting arrangement 5 that material preformed sheet material is hot bonding; The shaped-steel strip 3 mould outsides of cooling zone, relativelyBe provided with for by the cooling device 6 of the structural slab cooling forming after moulding; The moulding of two groups up and down in demoulding districtBetween steel band 3 and live-roller, there is the gap that ensures that preformed sheet material is drawn.
As Figure 9-Figure 11, the live-roller outside of shaping area is evenly equipped with multiple independent vacuum air drains 12 that arrange,Each vacuum air drain 12 ends have a roller side opening 16, and the port of vacuum forming piece 1 sliding end is for connectingLogical roller side opening 16, the port of vacuum forming piece 1 stiff end is communicated with vacuum tube 20, and vacuum forming piece 1 is fixingIt is interior spacing fixing that the limited post 19 that end has injects the slotted eye of frame upper junction plate 18, on limited post, is arranged withThe spring 17 of combining closely with shaping area live-roller sidewall for promoting the sliding end of vacuum forming piece 1.
The vacuum copper billet of vacuum forming piece 1 of the present invention for ease of sliding, and vacuum copper billet upper drivingRoller rotation direction one side has the arc surface of being convenient to slip.
Cooling zone cooling device be cooling shaping water-cooled or air-cooled, make in steel belt molding, in this flat segmentsCooling, make the sizing of goods better, reduce internal stress, be conducive to the straight of goods.
As shown in Figure 8, two shaped-steel strip 3 inner sides in demoulding district are respectively arranged with one for spacing one-tenth shaped steelDeflector roll 15 with 3 positions, makes two shaped-steel strips 3 in demoulding district spacing by deflector roll 15 and demoulding district live-rollerBe the setting of β angle, 0 °≤β≤30 °, the maximum peel angle can increase the demoulding time, makes this peel angleDegree is for alpha+beta/2, is greater than roller moulding peel angle α (α=55 °-75 °), makes peel angle of the present inventionExpanded range to 55 °-90 °, what therefore the angle dissection scope of crawler type shaped-steel strip will be much larger than roller mouldingPeel angle, makes people in the process of concrete operations, and adjusting angle β's is vertical, and then is adjusted to shaped steelThe peel angle of band.
Described shaped device C end is connected with haulage gear D, cutting device E and product platform F in turn.
Shaped device C of the present invention, the live-roller at charging aperture place is plastic uptake live-roller 4, the live-roller of discharging openingFor main drive roller 7, plastic uptake live-roller 4 lateral surfaces are processed with square vacuum air drain 12; 13 of each punchPortion has some pin holes 14 to communicate with the vacuum air drain 12 on plastic uptake live-roller 4 with steel band contact point place; VacuumPlastic uptake piece 1 is close to the end of plastic uptake live-roller 4, in the time that melting sheet material is coated on shaped-steel strip 3,Material, shaped-steel strip 3, plastic uptake live-roller 4, vacuum forming piece 1 form a confined space, work as vavuum pumpWhen work, produce negative pressure, enter confined space by vacuum forming piece 1, vacuum air drain 12, pin hole 14 successively,Fused materials, because suction function will fill up punch 13 sidewalls and steel strip surface, forms polygon lug boss; At this momentThe flat of lug boss provides power also in hot melt state by driving motor 10, and main drive roller 7 drives intoSteel band of model 3 is rotated, adjust lowering or hoisting gear 2 make two sheet materials lug boss the flat end to the end in the vertical directionFit together, then by the 5 pressurization sizings of sizing bracing or strutting arrangement, cooling device 6 cooling and shapings, Ji KeshengThe polygon stereochemical structure panel products of the double-deck docking of output.
As shown in Fig. 2, Fig. 3 and Fig. 6, the polygon stereochemical structure plate of a kind of double-deck docking, described structural slab isThe bilayer of making for the polygon stereochemical structure board production technology of above-mentioned double-deck docking docks polygon stereochemical structure plate.
Described structural slab two sides is compounded with hard sheet, nonwoven or cystosepiment; Described structural slab is twoLayer has the bonding doubling plate forming of the flat docking of sheet material of the hollow lug boss of polygon taper, described polygon coneThe hollow lug boss of shape is four, five, six, seven, one or more in eight-sided formation.
The hollow lug boss of structural slab shown in Fig. 3 is hexagon centrum, the schematic diagram that cone inclination angle 75 is spent.
The polygon stereochemical structure plate of double-deck docking of the present invention, can by top and bottom distinguish compound plain film,Nonwoven, glass woven cloth etc., as shown in Figure 6, make the polygon stereochemical structure panel products of double-deck docking, energyBe enough in building wall board, furniture side panel, desktop etc., replace timber, saving resource.
The polygon stereochemical structure board production technology of double-deck docking of the present invention, produce former and knot continuouslyStructure plate, introduces two preformed sheet materials in polygon stereochemical structure plate forming device, through vacuum forming, heatPress the processes such as docking, cooling and shaping, the demoulding, traction, severing, can produce double-deck polygon the standing of dockingBody structure panel product.
As shown in Figure 1, traditional mould die upper surface inlet area S1, material forms polygon after plastic uptakeShape cone sidewall and the end. Facies basialis pyramidis width d1, sidewall thickness h1, cone inclination angle a1 degree.
As shown in Figure 2, mould punch 13 upper surface inlet area S2 of the present invention, material forms many after plastic uptakeLimit shape cone sidewall and upper surface. Facies basialis pyramidis width d2, sidewall thickness h2, cone inclination angle a2 degree.
Due to S2 > S1, so material forms polygon cone sidewall thickness h2 > h1 after plastic uptake, evenlyProperty; D1=d2; Cone inclination angle a1=a2.
Therefore the double-decker plate intensity that punch vacuum forming method of the present invention is made is high, and quality is good.
The above, be only preferably detailed description of the invention of the present invention, but not office of protection scope of the present inventionBe limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in, according to thisThe technical scheme of invention and inventive concept thereof are equal to replaces or changes, and all should be encompassed in protection of the present inventionWithin scope.
Claims (10)
1. the polygon stereochemical structure board production technology of double-deck docking, is characterized in that comprising:
Two preformed sheet materials are introduced in crawler type shaped device;
Two preformed sheet materials are attracted respectively and are attached to the shaped-steel strip inner surface of pair of opposing,
Described shaped-steel strip two ends drive transmission by live-roller, and described shaped-steel strip rule of surface is inlayedHave punch, described shaped-steel strip bottom surface is provided with the pin hole that is communicated with negative pressure space,
In production, two preformed sheet material negative pressure of melting sheet material form multiple hollow lug bosses, described inPunch be polygon taper punch, and make the flat top that is placed in mould of punch, the surface of sheet material is placed inThe bottom of mould, described hollow lug boss is consistent with the shape of punch,
The flat correspondence of lug boss end face of two preformed sheet materials of melting sheet material is hot bonding, and twoShaped-steel strip keeps straight line squeezed state to the transmission of preformed sheet forming process, exports through shaped-steel strip endStripping forming.
2. the polygon stereochemical structure board production technology of double-deck docking according to claim 1, is characterized in that:
In the time of vacuum pump work, produce negative pressure, the negative pressure sky that vacuum forming piece, vacuum air drain and pin hole are formedBetween, make the fused materials preformed sheet material that attracts and be attached on shaped-steel strip under the effect of negative pressure, fill up protrudingThe sidewall of mould and shaped-steel strip surface, form hollow lug boss.
3. the polygon stereochemical structure board production technology of double-deck docking according to claim 1, is characterized in that:
The middle two shaped-steel strip front end relative levels for moulding arrange, the twenty percent shaped steel of end demoulding partBand is the setting of β angle relatively by deflector roll is spacing.
4. dock polygon stereochemical structure board production technology according to the bilayer described in claim 1,2 or 3, itsBe characterised in that:
After two flat laminatings of preformed sheet material of vacuum forming are bonding, successively through the hot pressing of sizing bracing or strutting arrangementBonding, cooling device cooling and shaping, the demoulding, traction and severing;
Two described preformed sheet materials are that extruder feed is produced through bimodulus head or single mode head dual channel headMoulding.
5. produce continuously a former, it is characterized in that comprising:
For the extruder of resin raw material, inserts and functional aid mixing feed, for preformed sheet materialThe die head device of production moulding and for preformed sheet material vacuum forming, be hot bonding, the shoe of cooling and shapingBand shaped device;
Described shaped device comprises the live-roller for transmission before and after two shaped-steel strips and shaped-steel strip,
Article two, shaped-steel strip is that horizontal plane datum level is setting up and down in the preformed sheet material of die head device moulding, onThe shaped-steel strip of side is along with the live-roller horizontal direction transmission rotating counterclockwise, and the shaped-steel strip of below is along with suitableThe live-roller horizontal direction transmission that hour hands rotate,
Shaped-steel strip rule of surface is inlaid with punch, and the shaped-steel strip surface between punch is provided with pin hole, pin holeBe communicated with successively live-roller outside the vacuum air drain having and the vacuum forming piece that is arranged at live-roller end,
In the moulding transmission direction of preformed sheet material, on shaped device, there is successively shaping area, shaping area, coldBut district and demoulding district;
Between the shaped-steel strip of two groups up and down of shaping area and live-roller, have ensure that preformed sheet material introduces betweenGap; The shaped-steel strip mould outside of shaping area, is oppositely arranged and is useful on two fused materials preformed sheet materialsThe sizing bracing or strutting arrangement being hot bonding; The shaped-steel strip mould outside of cooling zone, is oppositely arranged and is useful on one-tenthThe cooling device of the structural slab cooling forming after type; Between the shaped-steel strip and live-roller of two groups up and down in demoulding districtThere is the gap that ensures that preformed sheet material is drawn.
6. continuous production former according to claim 5, is characterized in that:
The two shaped-steel strip inner sides in demoulding district are respectively arranged with a deflector roll for spacing shaped-steel strip position,Make two shaped-steel strips in demoulding district by deflector roll and the setting of the spacing β of the being angle of demoulding district live-roller.
7. continuous production former according to claim 5, is characterized in that:
The live-roller outside of shaping area is evenly equipped with multiple independent vacuum air drains that arrange, each vacuum air drain endHave a roller side opening, the port of vacuum forming piece sliding end is used for being communicated with roller side opening, vacuum forming pieceThe port of stiff end is communicated with vacuum tube, and the limited post that vacuum forming piece stiff end has injects frame upper junction plateSlotted eye in spacing fixing, the sliding end being arranged with on limited post for promoting vacuum forming piece passes with shaping areaThe spring that action roller sidewall is combined closely.
8. according to the continuous production former described in claim 5,6 or 7, it is characterized in that:
Described die head device is bimodulus head or single mode head dual channel head, and described shaped device end is complied withInferior haulage gear, cutting device and the product platform of being connected with;
On the corresponding live-roller of upper and lower two shaped-steel strips, be separately installed with for being adjusted to gap between steel band of modelThe positioning and locking device of lower driving roller on lowering or hoisting gear, the synchromesh gear of synchronously going up lower driving roller, location;
Live-roller provides rotational power by driving motor, and the locking positioning of positioning and locking device is opened by hydraulic pressureTight device provides power.
9. the polygon stereochemical structure plate of double-deck docking, is characterized in that: described structural slab is aforesaid rightRequire bilayer described in 1-4 any one claim to dock two that polygon stereochemical structure board production technology makesThe polygon stereochemical structure plate of layer docking.
10. the polygon stereochemical structure plate of double-deck docking according to claim 9, is characterized in that:
Described structural slab two sides is compounded with hard sheet, nonwoven or cystosepiment; Described structural slab is twoLayer has the bonding doubling plate forming of the flat docking of sheet material of the hollow lug boss of polygon taper, described polygon coneThe hollow lug boss of shape is four, five, six, seven, one or more in eight-sided formation.
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| CN201610122274.7A CN105599313B (en) | 2016-03-03 | 2016-03-03 | Bilayer docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab |
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Also Published As
| Publication number | Publication date |
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| CN105599313B (en) | 2019-03-08 |
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