CN105599313B - Bilayer docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab - Google Patents

Bilayer docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab Download PDF

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Publication number
CN105599313B
CN105599313B CN201610122274.7A CN201610122274A CN105599313B CN 105599313 B CN105599313 B CN 105599313B CN 201610122274 A CN201610122274 A CN 201610122274A CN 105599313 B CN105599313 B CN 105599313B
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China
Prior art keywords
shaped
sheet
steel strip
roller
pin
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CN105599313A (en
Inventor
车广陆
房文超
王善君
宋春明
王健
刘连宝
孟祥欣
贾冰茹
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DALIAN PLASTICS RESEARCH INSTITUTE Co Ltd
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DALIAN PLASTICS RESEARCH INSTITUTE Co Ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping 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
    • B29C51/02Combined thermoforming and manufacture of the preform
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping 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
    • B29C51/10Forming by pressure difference, e.g. vacuum
    • B29C51/105Twin 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping 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
    • B29C51/18Thermoforming apparatus
    • B29C51/20Thermoforming apparatus having movable moulds or mould parts
    • B29C51/24Thermoforming apparatus having movable moulds or mould parts mounted on movable endless supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping 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
    • B29C51/26Component parts, details or accessories; Auxiliary operations
    • B29C51/30Moulds
    • B29C51/36Moulds specially adapted for vacuum forming, Manufacture thereof

Abstract

The invention discloses a kind of bilayers to dock polygon stereochemical structure board production technology, continuous production molding equipment and structural slab, and two pre-formed sheet materials are introduced in crawler type molding machines;Two pre-formed sheet materials are attracted respectively and are attached to the shaped-steel strip inner surface of a pair of opposing, the shaped-steel strip both ends are driven by live-roller and are driven, the shaped-steel strip rule of surface is inlaid with punch-pin, and the shaped-steel strip bottom surface is provided with the pin hole of connection negative pressure space.Bilayer of the present invention docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab, polygon three-dimensional lug boss is made using punch-pin vacuum forming method, lug boss made of this method is flat on punch-pin top, sheet surface is in male bottom, the flat bottoms of sheet material do not generate stretching, upper surface and side wall material are stretched since vacuum forming large area generates, manufactured lug boss side thickness and uniformity, so lug boss integrally bending intensity is high.

Description

Bilayer docks polygon stereochemical structure board production technology, continuous production molding equipment and knot Structure plate
Technical field
The present invention relates to a kind of bilayers to dock polygon stereochemical structure board production technology, continuous production molding equipment and structure Plate.
Background technique
Currently, double-layer structure plate, is that polygon stereochemical structure skeleton first is made through vacuum forming in two preforming sheet materials, Two structural framework bottoms are hot bonding bottom again, the double-deck polygon stereochemical structure panel products of docking are made.
But traditional vacuum forming production method, cavity plate vacuum forming method is mostly used, process is cavity plate inlet material It generates to stretch by vacuum forming and is adsorbed on cavity plate side wall and bottom, three-dimensional framework is made.Due to cavity plate inlet area very little, So the wall ratio of manufactured three-dimensional framework is relatively thin after plastic uptake, and side wall is gradually thinning from a surface to bottom, flat most thin, As shown in Figure 1, so, even with stereochemical structure wooden partition thickness ununiformity made of its skeleton, intensity is not also high.
And it forms if punch-pin is arranged on forming roller, to the angled requirement of punch-pin when roller shaped article is removed, such as schemes Shown in 7a and Fig. 7 b, -75 ° of α=55 °, peel angle α is where punch-pin sloped sidewall plane is bored with the acute angle of mold bottom surface Body inclination angle cannot produce the biggish product of α angular values, can only can do within the scope of certain angle, because of the molding removing of roller Angle c is smaller.
Summary of the invention
The it is proposed of the present invention in view of the above problems, and a kind of double-deck polygon stereochemical structure plate of docking of researching and designing produces work Skill, continuous production molding equipment and structural slab, to solve the bilayer of existing double-layer structure board production technology and equipment processing procedure The not high disadvantage of structural slab intensity.The technological means that the present invention uses is as follows:
It is a kind of double-deck to dock polygon stereochemical structure board production technology, comprising: by two pre-formed sheet materials introduce crawler types at In type device;Two pre-formed sheet materials are attracted to respectively and are attached to the shaped-steel strip inner surface of a pair of opposing, it is described Shaped-steel strip both ends driven and be driven by live-roller, the shaped-steel strip rule of surface is inlaid with punch-pin, the molding Steel band bottom surface is provided with the pin hole of connection negative pressure space.
In production, two pre-formed sheet material negative pressure for melting sheet material form multiple hollow lug bosses, the punch-pin For polygonal cone punch-pin, and make the flat top for being placed in punch-pin of sheet material, the surface of sheet material is placed in the bottom of punch-pin, described Hollow lug boss is consistent with the shape of punch-pin.
The flat correspondence of raised end surface for melting two pre-formed sheet materials of sheet material is hot bonding, and in twenty percent fashioned iron Band is driven pre-formed sheet material forming process and keeps lineal extrusion state, exports stripping forming through shaped-steel strip end.
As preferably generating negative pressure when vacuum pump work, the negative pressure for forming vacuum forming block, vacuum air drain and pin hole Space makes to attract and be attached to the side wall that the fused materials pre-formed sheet material on shaped-steel strip fills up punch-pin under the action of negative pressure And shaped-steel strip surface, form hollow lug boss.
It is arranged as preferred centre for molding twenty percent steel band of model front end relative level, end demoulds the two forming of part Steel band is arranged by the way that deflector roll limit is opposite in β angle.
Two pre-formed sheet materials as preferred vacuum forming are flat be fitted and connected after, successively by sizing support device heat Pressure viscosity connects, cooling device cooling and shaping, demoulding, traction and severing;Two pre-formed sheet materials are extruder feed through double Mould head or the production molding of single mode head dual channel head.
A kind of continuous production molding equipment, comprising:
It is produced into for resin raw material, the extruder of filler material and functional aid mixing feed, for pre-formed sheet material The die head device of type and for pre-formed sheet material vacuum forming, be hot bonding, the crawler type molding machine of cooling and shaping.
The molding machine includes the live-roller of two shaped-steel strips and shaped-steel strip front and back for transmission, two moldings Steel band is that horizontal plane datum level is setting up and down in the molding pre-formed sheet material of die head device, and the shaped-steel strip of top is with counterclockwise The live-roller horizontal direction of rotation is driven, and the shaped-steel strip of lower section is with the live-roller horizontal direction transmission rotated clockwise.
Shaped-steel strip rule of surface is inlaid with punch-pin, and the shaped-steel strip surface between punch-pin is provided with pin hole, and pin hole successively connects It is connected with the vacuum air drain having on the outside of live-roller and is set to the vacuum forming block of transmission roll end.
Successively there is shaping area, shaping area, cooling zone in the molding transmission direction of pre-formed sheet material, molding machine and take off Mould area.
Shaping area has the gap for guaranteeing that pre-formed sheet material introduces up and down between two groups of shaped-steel strip and live-roller;Sizing On the outside of the shaped-steel strip mold in area, it is relatively set with the sizing support for two panels fused materials pre-formed sheet material to be hot bonding Device;On the outside of the shaped-steel strip mold of cooling zone, it is relatively set with the cooling dress for structural slab after molding to be cooled and shaped It sets;Demould area has the gap for guaranteeing that pre-formed sheet material is drawn up and down between two groups of shaped-steel strip and live-roller.
One is respectively arranged with for limiting leading for shaped-steel strip position on the inside of twenty percent steel band of model as preferred demoulding area The twenty percent steel band of model for demoulding area is arranged in β angle by deflector roll and demoulding area's live-roller limit in roller.
Live-roller outside as preferred shaping area is evenly equipped with multiple vacuum air drains being independently arranged, each vacuum air drain end Portion is provided with a roller side opening, and the port of vacuum forming block sliding end is used to be connected to roller side opening, vacuum forming block fixing end Port is connected to vacuum tube, and the limited post that vacuum forming block fixing end has injects limit in the slot of rack upper junction plate and fixes, The spring for pushing the sliding end of vacuum forming block to combine closely with shaping area live-roller side wall is arranged on limited post.
It is bimodulus head or single mode head dual channel head, the molding machine end as the preferably described die head device It is connected with traction mechanism, cutting device and product platform in turn;It is installed respectively on the correspondence live-roller of upper and lower two shaped-steel strips There are the lifting device for being adjusted to fashioned iron interband gap, the synchromesh gear for synchronizing upper lower driving roller, lower driving roller in positioning Positioning and locking device;Live-roller provides rotational power by driving motor, and the locking positioning of positioning and locking device passes through hydraulic Tight device provides power.
A kind of double-deck polygon stereochemical structure plate of docking, the structural slab are the above-mentioned double-deck polygon stereochemical structure plate of docking Bilayer made of production technology docks polygon stereochemical structure plate.
Hard sheet, non-woven fabrics or cystosepiment are compounded with as the preferably described structural slab two sides;The structural slab is Doubling plate made of the flat docking bonding of two layers of sheet material with the hollow lug boss of polygonal cone, the polygonal cone are hollow convex The portion of rising is four, five, six, seven, one or more of eight-sided formation.
Compared with the prior art, it is of the present invention it is double-deck dock polygon stereochemical structure board production technology, continuous production at Polygon three-dimensional lug boss is made using punch-pin vacuum forming method in type equipment and structural slab, and lug boss made of this method is flat On punch-pin top, sheet surface is in male bottom, and the flat bottoms of sheet material do not generate stretching, and upper surface and side wall material are due to vacuum Plastic uptake large area generates stretching, manufactured lug boss side thickness and uniformity, so lug boss integrally bending intensity is high.
Bilayer of the present invention docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab, Two the flat of sheet material with lug boss are hot bonding bottom, it is polygon vertical using the double-deck docking is made after cooling and shaping Body structure panel product.So it is very high using polygon stereochemical structure panel products intensity made of this technology, the thickness uniformity, Product flatness might as well, additionally, due to the method docked to bottom bilayer using lug boss bottom, product can be made significantly thicker, intensity energy It is enough higher.
Bilayer of the present invention docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab, Bilayer is docked into the compound upper hard sheet in polygon stereochemical structure plate two sides, building wall board, imitation wood Furniture panel, imitation wood can be made Floor etc.;Compound layer of non-woven fabric, cystosepiment can be used in replacing interior decoration panel for automobile again on surface, and quality of item is light, strong Degree is high, environmental protection, saves material.So developing, this product prospect is vast, considerable benefit.
Detailed description of the invention
Fig. 1 is traditional cavity plate vacuum forming method shaping schematic view.
Fig. 2 is punch-pin vacuum forming method shaping schematic view of the present invention.
Fig. 3 is double-layer structure 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 molding machine main view of the present invention.
Fig. 5 b is crawler type molding machine top view of the present invention.
Fig. 5 c is crawler type molding machine side view of the present invention.
Fig. 5 d is the enlarged structure schematic diagram at Fig. 5 aM.
Fig. 6 is the double-layer structure plate schematic diagram for being compounded with hard sheet and non-woven fabrics.
Fig. 7 a is the schematic diagram of roller molding equipment.
Fig. 7 b is the enlarged diagram at the I of Fig. 7 a.
Fig. 8 is the crawler type molding machine schematic diagram that present invention demoulding peel angle is adjusted.
Fig. 9 is enlarged partial sectional view of the plastic uptake live-roller of the present invention with rack junction.
Figure 10 is the schematic diagram at the roller side opening of plastic uptake live-roller of the present invention.
Figure 11 is enlarged cross-sectional view of the vacuum forming block of the present invention with rack junction.
Wherein: 1, vacuum forming block, 2, lifting device, 3, shaped-steel strip, 4, plastic uptake live-roller, 5, sizing support device, 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-pin, 14, pin hole, 15, deflector roll, 16, roller side opening, 17, spring, 18, rack upper junction plate, 19, limit Position column, 20, vacuum tube;
A, extruder, C, molding machine, D, traction mechanism, E, cutting device, F, product platform, B1, bimodulus head, B2, Single mode head dual channel head.
Specific embodiment
As shown, a kind of double-deck polygon stereochemical structure board production technology of docking, comprising the following steps:
Firstly, be added in extruder A hopper after resin, filler material and other functional aids are mixed according to a certain ratio, Two pre-formed sheet materials are produced by extruder A.
Two pre-formed sheet materials are introduced in crawler type molding machine C again;Particularly two pre-formed sheet materials are distinguished Attract and be attached to 3 inner surface of shaped-steel strip of a pair of opposing, 3 both ends of shaped-steel strip are driven by live-roller Transmission, 3 rule of surface of shaped-steel strip are inlaid with punch-pin 13, and it is empty that 3 bottom surface of shaped-steel strip is provided with connection negative pressure Between pin hole 14.
In production, negative pressure is generated when vacuum pump work, forms vacuum forming block 1, vacuum air drain 12 and pin hole 14 Negative pressure space makes to attract and be attached to the fused materials pre-formed sheet material on shaped-steel strip 3 and fills up punch-pin under the action of negative pressure 13 3 surface of side wall and shaped-steel strip, forms hollow lug boss.The punch-pin 13 is polygonal cone punch-pin, and makes sheet material The flat top for being placed in punch-pin 13, the surface of sheet material is placed in the bottom of punch-pin 13, and the hollow lug boss is the same as punch-pin 13 Shape is consistent.
The raised end surface for melting two pre-formed sheet materials of sheet material is flat by the corresponding hot pressing of sizing support device 5 Bonding (bonding of the present invention refers in industry slang " hot melt adhesion ", i.e. two sheet material of molten condition is connected and fixed), And pre-formed sheet material forming process is driven in twenty percent steel band of model 3 and keeps lineal extrusion state, through 6 cooling and shaping of cooling device, Through 3 end of shaped-steel strip export stripping forming, eventually by traction mechanism D traction and cutting device E severing after be delivered to product On platform F.
As shown in figures 4 a and 4b, two pre-formed sheet materials are that extruder A is fed through bimodulus head or single mode head The production molding of dual channel head, and can be realized an extruder feed pair and get to know, it can also be fed respectively with two extruders Two get to know.
As shown in figure 8, as another preferred moulding process, centre is opposite for molding 3 front end of twenty percent steel band of model Horizontally disposed, it is in that β angle is arranged that the twenty percent steel band of model 3 of end demoulding part is limited opposite by deflector roll 15, and 0 °≤β≤30 °, energy Enough maximum peel angles increased when demoulding, make peel angle alpha+beta/2, are greater than roller and form (α=55 °-peel angle α 75 °), so that peel angle range of the invention is extended to 55 ° -90 °, therefore the angle dissection scope of crawler type shaped-steel strip is remote Greater than the molding peel angle of roller.
As shown in Fig. 2, Fig. 4 a, Fig. 4 b, Fig. 5 a- Fig. 5 d, a kind of continuous production molding equipment, comprising:
It is produced into for the extruder A of resin raw material, filler material and functional aid mixing feed, for pre-formed sheet material The die head device of type and for pre-formed sheet material vacuum forming, be hot bonding, the crawler type molding machine C of cooling and shaping, i.e., Steel band type bilayer docks molding machine;The die head device is bimodulus head B1 or single mode head dual channel head B2.
The resin raw material that extruder A feed uses includes polyethylene, polypropylene, polyvinyl chloride, polyester, nylon etc.;Filling Material includes talcum powder, calcium carbonate, mica, glass fibre etc.;Functional aid includes coupling agent, stabilizer, plasticizer, lubrication Agent, toughener, antioxidant, antistatic agent, ultraviolet absorbing agent etc..
The molding machine C includes the live-roller before and after two shaped-steel strips 3 and shaped-steel strip 3 for transmission, and two Shaped-steel strip 3 is that horizontal plane datum level is setting up and down in the molding pre-formed sheet material of die head device, the shaped-steel strip 3 of top with The live-roller horizontal direction transmission rotated counterclockwise, the shaped-steel strip 3 of lower section is with the live-roller horizontal direction rotated clockwise It is driven, the lifting dress for adjusting 3 gaps of shaped-steel strip is separately installed on the correspondence live-roller of upper and lower two shaped-steel strips 3 Set 2, the synchromesh gear 8 that synchronizes lower driving roller, in positioning lower driving roller positioning and locking device 9.Live-roller passes through transmission electricity Machine 10 provides rotational power, and the locking positioning of positioning and locking device 9 provides power by Hydranlic tensioner 11.
3 rule of surface of shaped-steel strip is inlaid with punch-pin 13, and 3 surface of shaped-steel strip between punch-pin 13 is provided with pin hole 14, needle Hole 14 is sequentially communicated the vacuum air drain 12 having on the outside of live-roller and is set to the vacuum forming block 1 of transmission roll end.
Successively there is shaping area, shaping area, cooling zone in the molding transmission direction of pre-formed sheet material, molding machine and take off Mould area;Shaping area has the gap for guaranteeing that pre-formed sheet material introduces up and down between two groups of shaped-steel strip 3 and live-roller;Shaping area Shaped-steel strip 3 mold on the outside of, be relatively set with the sizing support for two panels fused materials pre-formed sheet material to be hot bonding Device 5;On the outside of 3 mold of shaped-steel strip of cooling zone, it is relatively set with the cooling for structural slab after molding to be cooled and shaped Device 6;Demould area has the gap for guaranteeing that pre-formed sheet material is drawn up and down between two groups of shaped-steel strip 3 and live-roller.
As Figure 9-Figure 11, multiple vacuum air drains 12 being independently arranged are evenly equipped on the outside of the live-roller of shaping area, each 12 end of vacuum air drain is provided with a roller side opening 16, and the port of 1 sliding end of vacuum forming block is for being connected to roller side opening 16, very The port that 1 fixing end of block is moulded in suction is connected to vacuum tube 20, and the limited post 19 that 1 fixing end of vacuum forming block has, which injects in rack, to be connected Limit is fixed in the slot of fishplate bar 18, is arranged on limited post for pushing the sliding end of vacuum forming block 1 to be driven with shaping area The spring 17 that roller side wall is combined closely.
Vacuum forming block 1 of the present invention is the vacuum copper billet convenient for sliding, and live-roller rotates on vacuum copper billet The arc surface that direction side has convenient for sliding.
The cooling device of cooling zone is cooling shaping water cooling or air-cooled, is made in steel belt molding, cooling in the flat segments, is made The sizing of product is more preferable, reduces internal stress, is conducive to the straight of product.
As shown in figure 8, being respectively arranged with one on the inside of the twenty percent steel band of model 3 in demoulding area for limiting 3 position of shaped-steel strip Deflector roll 15, make demould area twenty percent steel band of model 3 by deflector roll 15 and demoulding area's live-roller limit in β angle be arranged, 0 °≤β≤ 30 °, maximum peel angle when demoulding can be increased, make peel angle alpha+beta/2, be greater than roller molding peel angle α (α= 55 ° -75 °), so that peel angle range of the invention is extended to 55 ° -90 °, therefore the angle dissection scope of crawler type shaped-steel strip The significantly larger than molding peel angle of roller, makes people during concrete operations, adjusts the vertical of angle beta, and then be adjusted to The peel angle of steel band of model.
The molding machine C-terminal is connected with traction mechanism D, cutting device E and product platform F in turn.
Molding machine C of the invention, the live-roller at feed inlet are plastic uptake live-roller 4, are passed based on the live-roller of discharge port Dynamic roller 7,4 lateral surfaces of plastic uptake live-roller are machined with rectangular vacuum air drain 12;Have at each 13 root of punch-pin and steel band contact point Several pin holes 14 are communicated with the vacuum air drain 12 on plastic uptake live-roller 4;Vacuum forming block 1 is tightly attached to the end of plastic uptake live-roller 4, When melting sheet material is coated on shaped-steel strip 3, material, shaped-steel strip 3, plastic uptake live-roller 4, the formation of vacuum forming block 1 One confined space generates negative pressure when vacuum pump work, passes sequentially through vacuum forming block 1, vacuum air drain 12, pin hole 14 and enters Confined space, fused materials form polygon lug boss since suction function will be filled with 13 side wall of punch-pin and steel strip surface;At this moment convex Rise portion it is flat also in hot melt state, pass through driving motor 10 provide power, main drive roller 7 drive shaped-steel strip 3 rotate, adjust Whole lifting device 2 makes the flat bottom of the lug boss of two sheet materials fit together bottom in vertical direction, then passes through sizing support The pressurization of device 5 sizing, 6 cooling and shaping of cooling device can produce the double-deck polygon stereochemical structure panel products of docking.
As shown in Fig. 2, Fig. 3 and Fig. 6, a kind of double-deck polygon stereochemical structure plate of docking, the structural slab is above-mentioned double Layer docks bilayer made of polygon stereochemical structure board production technology and docks polygon stereochemical structure plate.
The structural slab two sides is compounded with hard sheet, non-woven fabrics or cystosepiment;The structural slab has for two layers Doubling plate made of the flat docking bonding of the sheet material of the hollow lug boss of polygonal cone, the hollow lug boss of the polygonal cone are Four, five, six, seven, one or more of eight-sided formation.
The hollow lug boss of structural slab shown in Fig. 3 is six side centrums, the schematic diagram that 75 degree of cone inclination angle.
It is of the present invention it is double-deck dock polygon stereochemical structure plate, can be distinguished by top and bottom compound plain film, non-woven fabrics, Glass woven cloth etc. can be used in building wall board, furniture side as shown in fig. 6, the double-deck polygon stereochemical structure panel products of docking are made Plate, desktop etc. save resource instead of timber.
Bilayer of the present invention docks polygon stereochemical structure board production technology, continuous production molding equipment and structural slab, Two pre-formed sheet materials are introduced into polygon stereochemical structure plate forming device, by vacuum forming, hot pressing docking, cooling and shaping, The processes such as demoulding, traction, severing can produce the double-deck polygon stereochemical structure panel products of docking.
As shown in Figure 1, traditional female die of die upper surface inlet area S1, material form polygonal pyramid side after plastic uptake Wall and bottom.Facies basialis pyramidis width d1, sidewall thickness h1, cone inclination angle a1 degree.
As shown in Fig. 2, 13 upper surface inlet area S2 of inventive die punch-pin, material form polygonal pyramid after plastic uptake Side wall and upper surface.Facies basialis pyramidis width d2, sidewall thickness h2, cone inclination angle a2 degree.
Due to S2 > S1, so, material forms polygonal pyramid sidewall thickness h2 > h1 after plastic uptake, and uniformity might as well; D1=d2;Cone inclination angle a1=a2.
Therefore double-layer structure plate intensity made of punch-pin vacuum forming method of the invention is high, high-quality.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (2)

1. a kind of double-deck polygon stereochemical structure board production technology of docking, characterized by comprising:
Two pre-formed sheet materials are introduced in crawler type molding machine;
Two pre-formed sheet materials are attracted to respectively and are attached to the shaped-steel strip inner surface of a pair of opposing,
The shaped-steel strip both ends are driven by live-roller and are driven, and the shaped-steel strip rule of surface is inlaid with punch-pin, institute The shaped-steel strip bottom surface stated is provided with the pin hole of connection negative pressure space,
In production, two pre-formed sheet material negative pressure for melting sheet material form multiple hollow lug bosses, and the punch-pin is more Side taper punch-pin, and make the flat top for being placed in punch-pin of sheet material, the surface of sheet material is placed in the bottom of punch-pin, and described is hollow Lug boss is consistent with the shape of punch-pin,
The flat correspondence of raised end surface for melting two pre-formed sheet materials of sheet material is hot bonding, and in twenty percent steel band of model pair The transmission of pre-formed sheet material forming process keeps lineal extrusion state, exports stripping forming through shaped-steel strip end;
Negative pressure is generated when vacuum pump work, the negative pressure space for forming vacuum forming block, vacuum air drain and pin hole makes to attract simultaneously The fused materials pre-formed sheet material being attached on shaped-steel strip fills up the side wall and shaped-steel strip table of punch-pin under the action of negative pressure Face forms hollow lug boss;
Centre is arranged for molding twenty percent steel band of model front end relative level, and the twenty percent steel band of model of end demoulding part passes through deflector roll Limit is opposite to be arranged in β angle;
After two flat fittings of pre-formed sheet material of vacuum forming, successively it is hot bonding by sizing support device, cooling device Cooling and shaping, demoulding, traction and severing;
Two pre-formed sheet materials are that extruder is fed through bimodulus head or the production molding of single mode head dual channel head.
2. a kind of continuous production molding equipment, characterized by comprising:
It is produced for resin raw material, the extruder of filler material and functional aid mixing feed, for pre-formed sheet material molding Die head device and for pre-formed sheet material vacuum forming, be hot bonding, the crawler type molding machine of cooling and shaping;
The molding machine includes the live-roller of two shaped-steel strips and shaped-steel strip front and back for transmission,
Two shaped-steel strips in the molding pre-formed sheet material of die head device be horizontal plane datum level it is setting up and down, top at fashioned iron Band is driven with the live-roller horizontal direction rotated counterclockwise, and the shaped-steel strip of lower section is with the live-roller level rotated clockwise Direction transmission,
Shaped-steel strip rule of surface is inlaid with punch-pin, and the shaped-steel strip surface between punch-pin is provided with pin hole, and pin hole has been sequentially communicated The vacuum air drain having on the outside of live-roller and the vacuum forming block for being set to transmission roll end,
Successively there is shaping area, shaping area, cooling zone and demoulding in the molding transmission direction of pre-formed sheet material, molding machine Area;
Shaping area has the gap for guaranteeing that pre-formed sheet material introduces up and down between two groups of shaped-steel strip and live-roller;Shaping area On the outside of shaped-steel strip mold, it is relatively set with the sizing support dress for two panels fused materials pre-formed sheet material to be hot bonding It sets;On the outside of the shaped-steel strip mold of cooling zone, it is relatively set with the cooling device for structural slab after molding to be cooled and shaped; Demould area has the gap for guaranteeing that pre-formed sheet material is drawn up and down between two groups of shaped-steel strip and live-roller;
It demoulds and is respectively arranged with one on the inside of the twenty percent steel band of model in area for limiting the deflector roll of shaped-steel strip position, make to demould area Twenty percent steel band of model is arranged by deflector roll and demoulding area's live-roller limit in β angle;
Multiple vacuum air drains being independently arranged are evenly equipped on the outside of the live-roller of shaping area, each vacuum air drain end is provided with a roller Cylinder side opening, the port of vacuum forming block sliding end are connected to vacuum for being connected to roller side opening, the port of vacuum forming block fixing end Pipe, the limited post that vacuum forming block fixing end has inject limit in the slot of rack upper junction plate and fix, be arranged on limited post There is the spring for pushing the sliding end of vacuum forming block to combine closely with shaping area live-roller side wall;
The die head device is bimodulus head or single mode head dual channel head, and the molding machine end, which is connected in turn, leads Draw mechanism, cutting device and product platform;
Be separately installed on the correspondence live-roller of upper and lower two shaped-steel strips for adjust the lifting device in gap between shaped-steel strip, Synchronize the synchromesh gear of lower driving roller, in positioning lower driving roller positioning and locking device;
Live-roller provides rotational power by driving motor, and the locking positioning of positioning and locking device is provided by Hydranlic tensioner Power.
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