CN109732998A - Plastic honeycomb and its production method and device - Google Patents
Plastic honeycomb and its production method and device Download PDFInfo
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- CN109732998A CN109732998A CN201910130350.2A CN201910130350A CN109732998A CN 109732998 A CN109732998 A CN 109732998A CN 201910130350 A CN201910130350 A CN 201910130350A CN 109732998 A CN109732998 A CN 109732998A
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Abstract
The present invention relates to a kind of plastic honeycombs, use the corrugated plating with upper plane, lower plane and slope for raw material, it is folded after dislocation cutting, it is characterized in that, the cut-off parts at upper plane cutting position include upper plane, slope and part lower plane, by remaining another part lower plane as folded connection, the cut-off parts of lower plane cutting part include lower plane, the upper plane of slope and part, by plane on remaining another part as folded connection.Compared with prior art, the amplitude of cutting is bigger, and sequential folds whens is easier.Used means, mainly deform corrugated plating with briquetting, needing the plane of part cutting to become roof shape and the curved surface of roof shape, so that part easy to accomplish is cut.
Description
Technical field
The present invention relates to a kind of plastic honeycomb and its production method and devices.
Background technique
Cellular material has hollow structure, so being widely used in needing light-weighted occasion, such as aircraft, motor-car, vapour
Vehicle components, the carriage of cargo, various packaging materials etc..
The material of cellular material is also various, such as aluminum honeycomb, aramid fiber honeycomb, paper honeycomb etc..Auto parts and components are early
Phase mostly uses paper honeycomb, since paper honeycomb uses waste paper for raw material, is easy the presence of smell, so now with by plastics bee
The trend that nest replaces.
There are mainly two types of the production technologies of plastic honeycomb, and one is round tube honeycomb, another kind is folded-sheet honeycomb structure.
The cellular production technology of round tube is more complicated, it is necessary first to produce the round tube of certain length, and round tube surface is wanted
There is one layer of low melting point ingredient；After round tube marshalling, heating keeps low melting point ingredient melting, and round tube is bonded together, and is formed big
The honeycomb of block；Bulk honeycomb is cut into using saw or heating wire the thickness of needs, obtains honeycomb core, honeycomb core can also with it is upper
Lower epidermis, which forces together, produces cellular board.This mode complex process, low efficiency are at high cost.
It is that the patent CN118418B of Univ Louvain passes through suction using plastic foil as raw material that folded-sheet honeycomb structure is more representational
Modeling technique, with end to end semi-enclosed honeycomb shape (half six ribs of formation marshalling on special formed roller
Column), as shown in Figure 1, semi-enclosed honeycomb is folded up along end to end interconnecting piece, it can be hot pressed into honeycomb core, it can also
To be hot pressed into cellular board together with upper lower epidermis.Due at an angle between adjacent two rows of honeycombs, so folding up
It is easier.This production efficiency is high, and cost is relatively low, has their licensed-type production factory in many countries.It is but this
Scheme production honeycomb core be not it is penetrating, each honeycomb hole have one end be it is closed, it is penetrating cellular for some needs
Occasion is not applicable.In addition, cellular height is determined by plastic uptake roller, the honeycomb for producing different height needs replacing roller,
It can be more troublesome.
United States Patent (USP) US833744 describes the scheme of another production folded-sheet honeycomb structure.Plastic foil is passed through roller pressure first
Corrugated plating with continuous upper plane, lower plane and slope out, then with the blade of the both direction up and down mutually staggered
Cut corrugated plating, upper knife edge cuts off upper plane and slope, leave lower plane as folded connection, lower blade cutting is lower to be put down
Face and slope leave plane as folded connection, as shown in Figure 2.Finally in cut place along remaining lower plane and
Upper plane is folded as folded connection, the honeycomb folded.This folded-sheet honeycomb structure can make both ends by hot pressing
Honeycomb wall, which bonds together, produces sizing honeycomb core, and the honeycomb wall for being also possible to both ends is bonded together with upper lower epidermis to be made into
Cellular board.Different from the scheme of Univ Louvain product produced, this honeycomb is penetrating.In addition, due to adjacent honeycomb
Although cutting, folded connection is not pre-formed certain angle, and it is tired that the scheme of this corrugated plating dislocation cutting has folding
Difficult problem.
Summary of the invention
The purpose of the application provides a kind of plastic honeycomb and its production method, solves existing corrugated plating dislocation cutting scheme
The problem of existing folding difficulties.
A kind of plastic honeycomb folds after being raw material dislocation cutting with the corrugated plating with upper plane, lower plane and slope
It forms, which is characterized in that the cut-off parts at upper plane cutting position include upper plane, slope and part lower plane, by being left
Another part lower plane as folded connection, the cut-off parts of lower plane cutting part include lower plane, slope and portion
Divide upper plane, by plane on remaining another part as folded connection.
As improvement project, contain reinforcing fiber in corrugated plating above-mentioned.
A kind of production method of plastic honeycomb, it is characterised in that containing having the following steps:
It uses the corrugated plating with upper plane, lower plane and slope for raw material, so that upper plane is bent upwards into room with lower lock block
Carinate curved surface, the curved surface for making lower plane be bowed downward to down ridge with upper holder block；In lower plane cutting part, with lower blade
From the gap cutting lower plane between lower lock block, the upper plane of slope and part, it is left plane on another part and is used as the company of folding
Socket part, at upper plane cutting position, the upper knife edge being staggered by lower blade cuts upper plane, tiltedly from the gap between upper holder block
Slope surface and part lower plane are left another part lower plane as folded connection；In lower plane cutting part, plane is allowed
Folded connection decline realizes that the corrugated plating of two sides flips up, and at upper plane cutting position, allows the folded connection of lower plane
Rise and realizes that the corrugated plating of two sides flips up.
A kind of preferred embodiment, the groove trend on corrugated plating is consistent with the length direction of material, upper lower lock block compression wave
After card, upper and lower blade moves along the width direction of material and cut.
Another preferred embodiment, the groove trend on corrugated plating is perpendicular with the length direction of material, upper lower lock block compression
Corrugated plating, and corrugated plating is driven to run along the length direction of material, by being cut when upper and lower blade.
The manufacturing device of plastic honeycomb, which is characterized in that comprising being located at the lower lock block on corrugated plating below plane, be located at wave
Upper holder block above card lower plane, with ridge protrusion, the bottom of upper holder block is convex with ridge at the top of lower lock block
It rises；Also comprising the blade up and down that mutually staggers, upper knife edge is located at corrugated plating top, can be from the gap between upper holder block perpendicular to wave
Card groove moves towards to cut off upper plane, inclined surface and part lower plane, and lower blade is located at corrugated plating lower section, can be between lower lock block
Gap move towards cutting lower plane, the upper plane in inclined surface and part perpendicular to corrugated plating groove.
Further, the top of lower lock block has the notch that perpendicular V-shape is moved towards with ridge protrusion, the V-shape
Notch be staggered with upper holder block；The bottom tool of upper holder block moves towards the notch of perpendicular inverted V-shape with the protrusion of falling ridge, should fall
The notch of V-shape is staggered with lower lock block；Lower lock block uplink in place after, the bottom of V-shape notch runs Shi Suoneng lower than upper knife edge
The minimum point cut to；Upper holder block downlink in place after, the top of inverted V-shape notch is higher than what lower blade operation Shi Suoneng was cut to
Highest point.
A kind of preferred embodiment, in the width direction of material, every row's upper holder block is fixed on a crossbeam, and every row pushes
Block is fixed on one crossbeam；Gap of the upper knife edge between upper holder block, gap of the lower blade between lower lock block, on
Blade and lower blade are respectively one group along the arrangement of length of material direction, the rotation of the disc-shaped moved back and forth along material width direction
Rotor, cut direction are the width direction of material.
Another preferred embodiment, on the length direction of material, every row's upper holder block and lower lock block are all separately fixed at one
On belt or chain；Upper knife edge is located at the gap of upper holder block, gap of the lower blade between lower lock block, upper knife edge and lower blade
It is respectively arranged and the rotating knife for the disc-shaped that position is fixed for one group along material width direction, cut direction is the length side of material
To.
Another preferred embodiment, upper holder block and lower lock block are all respectively divided into two groups, and first group of upper holder block and lower lock block clamp wave
Card, and when drive corrugated plating to move ahead, second group of upper holder block and lower lock block unclamp corrugated plating, and return to preparation of going to the back
Corrugated plating is clamped again；Upper knife edge is located at the gap of upper holder block, gap of the lower blade between lower lock block, upper knife edge and cuts
Sword is respectively one group, and along the arrangement of material width direction, the rotating knife for the disc-shaped that position is fixed, cut direction are the length of material
Direction.
The scheme of the application also additionally cut part in addition to cutting lower plane and slope in lower plane cutting part
Upper plane；It also additionally cut part lower plane in addition to cutting off upper plane and slope at upper plane cutting position；So folding
The width of folded interconnecting piece reduces, and the resistance for needing to overcome in folding process also reduces, and reduces folding difficulty.
In order to realize that lower cutting site portion cuts off upper plane, upper plane is set to become roof shape using lower lock block, under making
The depth of cut of blade is easier to control.If making upper plane deformation without briquetting, even if wanting to retain completely upper plane conduct
Bending part, the problem of being not easily controlled there is also depth of cut.If depth of cut is inadequate, there is part slope not cut off,
It folds up more difficult；If depth of cut is too big, plane may be made to completely cut through, that is, entire corrugated plating is here
It completely cuts through, can not achieve continuous folding operation.So cutting slope is ideally difficult to realize just.At this
In the scheme of application, for upper plane by briquetting jack-up at roof shape, the height to arch upward is more than 4 times of material thickness (from attached drawing
Estimation, the practical specific requirement according to material and it is different), even if being only upper plane so depth of cut has a point tolerance
The ratio being cut open, which has, a little to be fluctuated, and will not cut off there is a situation where slope substantially and upper plane is completely cut through.
In order to become roof shape after making upper planar compression, the top design of the lower lock block under upper plane is at roof shape
Protrusion be also that can very easy be interpreted.Here ridge trend, certainly moves towards consistent with the groove of corrugated plating, that is,
The length direction of upper plane.
The speed of cutting can be improved relative to the blade of meaning shown in Fig. 2 using the knife of the disc-shaped of rotation, and
The running resistance of blade is smaller, notch is more smooth.
It is face with lower lock block although upper knife edge is located at the gap of upper holder block, in order to avoid upper knife edge and pushes
Lower lock block position corresponding with upper knife edge is arranged the notch of upper V-shape in the conflict of block.The depth of v-notch on lower lock block,
Just the cutting edge that top can be avoided, cuts corrugated plating under compressive deformation.It is of course also possible to which lower lock block is designed
At being two from V-shape indentation, there portion, relative to this scheme for being designed to briquetting that two pieces are separated from each other, V-shape notch
Scheme takes full advantage of the space between two upper knife edges, reduces number of parts, the processing and assembly of briquetting are more convenient, equipment
Structure is simpler.
On the groove extending direction perpendicular to corrugated plating, each row is fixed on a crossbeam briquetting, can be in order to every
One row pressure block is uniformly controlled.By adjusting the distance between each row's crossbeam, the distance between cutting edge can also be adjusted, into
And adjust folded cellular height.The die rollers of plastic uptake are needed replacing relative to plastic uptake folded-sheet honeycomb structure to adjust honeycomb height
For degree, this adjustment mode is with regard to simply mostly.
Groove extending direction on corrugated plating identical as the length direction of material is a kind of preferred embodiment, and corrugated plating proceeds to
Behind position, upper lower lock block is clamped, and deforms plane and lower plane, and upper and lower blade transverse shifting realizes dislocation cutting.Then, on
Lower lock block unclamps, and the corrugated plating cut enters folding process, and the corrugated plating not cut arrives again at cutting position, Zhou Erfu
Begin.Since the length direction that groove extending direction is material will not delay wave so upper lower lock block can be very high without lifting
The forward movement of card.Under this scheme, corrugated plating can be realized with roller compression plastic foil, can also be direct from extruder
It squeezes out, the production of corrugated plating is connected more preferable with the cutting action that misplaces.This direction, with United States Patent (USP) US833744(such as Fig. 2 institute
Show) it is consistent.The problem of this scheme is that the distance that corrugated plating advances every time needs accurate control, and otherwise there may be lean on
The position of proximal edge leads to honeycomb difference in height because of the distance between this notch and adjacent last time notch difference.
The length direction of groove extending direction and material on corrugated plating is perpendicular, is another preferred embodiment, also has very
Big advantage.Corrugated plating moves forwards under the clamping of upper lower platen, reach cutting part front upper and lower briquetting in place, warp
Cutting edge up and down is crossed, realizes cutting.Material continues to move ahead, and upper lower lock block leaves material back to initial position, whole process
It is carried out continuously.Under this mode, upper and lower cutting edge, which can be, is fixed on rotary wafer knife as you were, by
Forward in material realizes cutting, it is not necessary to which as a kind of upper situation, blade must back and forth be transported along the width direction of material
It is dynamic.Because the position of upper and lower cutting edge is fixed, the spacing of cutting can guarantee, will not advance because of material each time
Size difference and cause except roll setting twice final section length of material to change.Moreover, the trend and material of corrugated plating groove
Length direction is perpendicular, and corrugated plating very easily can be folded and be accumulated.If being pressed into corrugated plating using membrane material, using having
The roller of axial groove, this direction are also easy to accomplish.
Each row pressure block in direction along groove is fixed on longitudinally running belt or chain, briquetting may be implemented
It is recycled, to realize continuous production.It is designed to the mode and a kind of mode realized of two groups of relays.
Detailed description of the invention
Fig. 1 is existing plastic uptake folded-sheet honeycomb structure schematic diagram；
Fig. 2 is that folded-sheet honeycomb structure schematic diagram is cut in existing dislocation；
Fig. 3 is the lower cutting part sectional view of existing dislocation cutting folded-sheet honeycomb structure；
Fig. 4 is top view after the existing folding for cutting folded-sheet honeycomb structure that misplaces；
Fig. 5 is the lower cutting part sectional view of the dislocation cutting folded-sheet honeycomb structure of the application；
Fig. 6 is top view after the folding of the dislocation cutting folded-sheet honeycomb structure of the application；
Fig. 7 is deformation schematic diagram of the dislocation cutting folded-sheet honeycomb structure of the application under briquetting effect；
Fig. 8 is lower cutting part sectional view of the dislocation cutting folded-sheet honeycomb structure of the application under briquetting effect；
Fig. 9 is the briquetting device top view of the dislocation cutting folded-sheet honeycomb structure of the application；
Figure 10 is the A-A diagrammatic cross-section of Fig. 9；
Figure 11 is the B-B diagrammatic cross-section of Fig. 9；
Figure 12 is the B-B section mated condition schematic diagram of upper cutting edge and Fig. 9；
Figure 13 is the B-B section mated condition schematic diagram of lower cutting edge and Fig. 9；
Figure 14 is another briquetting device top view of the dislocation cutting folded-sheet honeycomb structure of the application.
Specific embodiment
Reference examples 1
Corresponding to the patent CN118418B of Univ Louvain, after plastics film winding, by the plastics sucking moulding for being arranged with half six prismatics
Roller obtains the formed body of half hexagonal prism shape as shown in Figure 1, and the top and bottom of end to end half hexagonal prisms are with certain
Angle interconnects.It is folded along these connecting lines, so that half all hexagonal prisms is erected, obtain the bee of hexagon
Nest.Here honeycomb is not permeable structures, at least one top or bottom are closed by plastic foil.
During folding, because there are certain angle in the top and bottom of original half hexagonal prisms, than from complete
Flat state folding will be easy, but needing the fold line length folded is entire material width.
Reference examples 2
Corresponding to United States Patent (USP) US833744, after plastics film winding, roller by circumferencial direction with protrusion is made groove and walks
To with the consistent corrugated plating in length of material direction.Corrugated plating when running to cleavage, such as scheme by the blade cutting being staggered up and down
Shown in 2.In upper plane cutting position, upper knife edge cuts off upper plane, slope and is staggered down in lower plane cleavage with upper knife edge
Blade cuts off lower plane, slope.The corrugated plating sectional view of lower plane cleavage as shown in figure 3, upper plane cutting position section
Figure is the mirror image after Fig. 3 is spun upside down.After the completion of cutting, folded: in upper plane cutting position, the lower plane not cut off is connected
Portion rises, two sides decline；In lower plane cleavage, the upper flat connecting section decline that do not cut off, two sides rise, and make the ditch of corrugated plating
Slot trend is moved towards to become to move towards up and down from front and back.Then pass through hot pressing process, upper and lower two end faces are melted, and make adjacent honeycomb
Wall bonds together, the honeycomb core being formed.It can certainly bond together with upper lower epidermis, obtain cellular board.
If it is desired to which cellular height is 10mm, then the spacing between adjacent upper knife edge is 20mm, between adjacent lower blade
Spacing be also 20mm, the two mutually staggers, the distance between upper knife edge and adjacent lower blade be 10mm, to guarantee to turn down
Honeycomb afterwards is with a thickness of 10mm.
In cutting process, need accurately to control the depth of cutting, if depth of cut is too small, slope has the portion that do not cut
Point, the difficulty of folding can be greatly increased, if depth of cut is too big, the upper flat connecting section or lower plane interconnecting piece that need to retain
It is cut off, corrugated plating will be fully disconnected from the position, prevent folding process from being successfully carried out continuously.
Top view after being folded into honeycomb needs as shown in figure 4, it can be seen from the figure that even if cutting process is just right
The turn-line to be bent (width of flat connecting section on upper plane cutting position lower plane interconnecting piece, lower plane cleavage) length is big
The 1/3 of corrugated plating overall width generally is accounted for, and without the folding line that in reference examples 1 is formed in advance during plastic uptake, so
Folding operation carries out certain difficulty.
Embodiment 1
In order to reduce the difficulty of folding, our scheme is to need to fold the upper plane or lower plane connection at position after reducing cutting
The width in portion, that is, fold line length.The corrugated plating section of lower plane cleavage as shown in figure 5, folded top view such as
Shown in Fig. 6.From the point of view of Fig. 5, the lower plane and slope of lower plane cleavage are completely cut through, and upper plane cut 2/3, are left
The upper flat connecting section of 1/3 width, so the difficulty in folding process is probably reduced to the 1/3 of reference examples 2.Folded bee
There is no marked difference, the upper flat connecting section and lower plane that only upper and lower surface not yet disconnects connect for nest shape and reference examples 2
Socket part width reduces, and after by thermal finalization, cellular upper and lower surface is all melted and is bonded together, on honeycomb almost
Difference is not seen.
Compared with reference examples 1, the width of folding is even more to become original 1/9 or so, it is contemplated that needs to fold in reference examples 1
Position have certain profile angle in advance, so the folding difficulty of the present embodiment cannot become the 1/9 of reference examples 1, but
It is more much smaller than reference examples 1.
This cellular production method is as follows:
Groove trend and the consistent wave in length of material direction is made by having the roller of circumferencial direction protrusion in plastics film winding
Card.Corrugated plating is compressed in cutting by upper lower lock block, and it is downward that upper plane is bent upwards the curved surface for becoming roof shape, lower plane
In the curved surface of the roof shape to stand upside down, inclined surface can also occur accordingly under the upper plane of two sides and the stretching of lower plane for bending
Variation, corrugated plating section shape at this time is as shown in Figure 7.In upper plane cutting position, along material width on corrugated plating
The upper knife edge of direction operation cuts off upper plane, slope and has partially been put down by the lower of roof shape that upper holder block has been pressed into handstand
Face；In lower plane cleavage, below corrugated plating along material width direction operation lower blade cutting lower plane, slope and
Part has been pressed down the upper plane that block is pressed into roof shape.The sectional view of lower cutting part is as shown in Figure 8.Here Special attention will be given to
The lower plane of upper plane cutting position and the upper plane of lower plane cleavage are to want difficult more than complete cutting because partially cutting,
It is also the core of the application.Corresponding, the upper plane of upper plane cutting position and the lower plane of lower plane cleavage are complete
Cutting, whether the two positions deform in fact has little effect for cutting difficulty.
In fact, it is pressed into the scheme that curved surface is cut again using above-mentioned lower planes, if being used to realize oblique in reference examples 2
Slope surface is cut completely, also will be greatly reduced the requirement of cutting accuracy.In turn, if realized by the way of in reference examples 2
Lower planes part cutting in the present embodiment, unless in such a way that the thickness of lower planes is only partially cut, almost not
It is possible, because the requirement that achievement unit cutting is cut to precision in the case that lower planes keep flat is too high.
The program device used when misplacing cutting mainly includes upper lower lock block and upper and lower blade.
For convenience, by taking attached drawing 9 as an example, corrugated plating is run from the length direction with striping, is located at corrugated plating
It is upper holder block on lower plane, is equipped with upper holder block on 5 lower planes, share 5 rows, every row's upper holder block is connected to above
A crossbeam on.It is lower lock block under plane on corrugated plating, is equipped with lower lock block under 6 upper planes, shares 6
Row, every row's lower lock block are connected on a following crossbeam.
It can be seen that, all had at the top of the bottom of upper holder block and lower lock block along corrugated plating groove trend from Figure 10
Section close to semi-circular protrusion (namely mentioned-above roof shape), upper lower lock block in place after, the upper plane of corrugated plating
It is pressed downward by upward top, lower plane.
It can be seen that, the top of lower lock block has V-shape notch from Figure 11, which corresponds to what lower lock block was connected
Crossbeam, the crossbeam being connect with upper holder block are staggered and (are namely staggered with upper holder block).
As can be seen that upper knife edge passes through from the blank area among two upper beams from Figure 12, on upper knife edge and lower lock block
V-shape notch it is corresponding.The bisector and the highest point after upper plain bending that this slice location is a upper plane, institute
Upper plane herein can be completely cut through with upper knife edge, and there are also a bit to the V-shape notch bosom of lower lock block for upper knife edge
Safe distance can prevent upper knife edge from encountering lower lock block and being damaged.
As can be seen that lower blade passes through from the blank area between two lower beams from Figure 13, lower lock block is avoided just, and
And position and upper beam are to corresponding.Due to being the highest point after upper plain bending herein, so the cutting of lower blade is less than to stay
Plane is as the interconnecting piece folded on lower part, in order to being carried out continuously for folding operation.
Embodiment 2
In this example, the direction of corrugated plating is different from embodiment 1, the length direction phase of corrugated plating groove trend and material here
Vertically.The production of corrugated plating still can be carried out using roller hot-pressing plastic film, but the protrusion direction on roller is not round
Circumferential direction, but it is axially extending, two rollers are engaged similar to gear, and plastic foil after roller, put down by the upper of corrugated plating
Face, slope, lower plane are successively produced item by item.
The traffic direction of corrugated plating, as shown in figure 14.Misplace cutting when, upper lower lock block fastening material, make plane and
Lower plane occurs bending and deformation；Upper lower lock block is moved forward with clamped corrugated plating, and upper and lower blade does not need to be moved forward and backward
It can complete to cut.After having cut, upper lower lock block unclamps, and back to the position for starting to clamp, clamps uncut corrugated plating,
Continue to move ahead, completes cutting.
Here upper holder block and lower lock block can be set on the chain or belt of continuous operation, with chain or belt
Operation is clamped by upper holder block and lower lock block and the corrugated plating of compressive strain meets with upper knife edge and lower blade, completes dislocation cutting.Only
There are upper knife edge and lower blade edge position there are strict requirements to the compression degree of corrugated plating, as long as so can ensure the upper of this position
The relative altitude of briquetting and lower lock block and lower blade and upper knife edge.Briquetting before and after cutting position is intended merely to material
The positioning and movement of material.
In addition, upper holder block and lower lock block can also be designed to the mode of two groups of relays.Lower lock block is initially clamping on one group
Position starting pinching action, makes plane and lower plane compressive deformation, and corrugated plating is forwarded, by upper in transmit process
Lower blade completes dislocation cutting, reaches briquetting and unclamps position；At the same time, lower lock block unclamps position starting from briquetting and unclamps on another group
Movement after upper lower lock block separates, returns to initial clamping position.In this way by the refile of lower lock block on two groups, also can
Dislocation cutting is smoothly completed, and can be realized the target for reducing folded connection width, but because two groups of briquettings needs are round-trip
Operation, if it is a little difficult to realize that cutting at the uniform velocity slightly has completely.
Corrugated plating after cutting is folded, and then sizing is made into honeycomb core, or is hot pressed into together with upper lower epidermis
Cellular board.
Folded-sheet honeycomb structure is produced using the mode of this corrugated plating dislocation cutting (including reference examples 2 and embodiment 1, to implement
Example 2), corrugated plating can contain reinforcing fiber, so the cellular material worked it out has better intensity.Reinforcing fiber can be
Glass fibre, the corrugated plating containing glass fibre can be monofilament short glass fiber and form with plastic foil hot pressing.Here list
Silk short glass fiber, the mat that wet processing can be made to produce.Preferred scheme, wet process mat be not it is isotropic,
It is more dominant corresponding to the glass in honeycomb short transverse (namely groove trend).
And the plastic uptake folded-sheet honeycomb structure of Univ Louvain, the honeycomb containing reinforcing material cannot be made, because of material during plastic uptake
The deformation of material is too big, and there are in the case where reinforcing fiber, plastic uptake effect can have a greatly reduced quality.Local deformation caused by plastic uptake is big in fact
The problem of, the decline of honeycomb intensity index is also resulted in a certain extent.
Claims (10)
1. a kind of plastic honeycomb, folded after being raw material dislocation cutting with the corrugated plating with upper plane, lower plane and slope and
At, which is characterized in that the cut-off parts at upper plane cutting position include upper plane, slope and part lower plane, by remaining
For another part lower plane as folded connection, the cut-off parts of lower plane cutting part include lower plane, slope and part
Upper plane, by plane on remaining another part as folded connection.
2. plastic honeycomb as described in claim 1, it is characterised in that contain reinforcing fiber in used corrugated plating.
3. the production method of plastic honeycomb as described in claim 1, it is characterised in that containing having the following steps:
It uses the corrugated plating with upper plane, lower plane and slope for raw material, so that upper plane is bent upwards into room with lower lock block
Carinate curved surface, the curved surface for making lower plane be bowed downward to down ridge with upper holder block；In lower plane cutting part, with lower blade
From the gap cutting lower plane between lower lock block, the upper plane of slope and part, it is left plane on another part and is used as the company of folding
Socket part, at upper plane cutting position, the upper knife edge being staggered by lower blade cuts upper plane, tiltedly from the gap between upper holder block
Slope surface and part lower plane are left another part lower plane as folded connection；In lower plane cutting part, plane is allowed
Folded connection decline realizes that the corrugated plating of two sides flips up, and at upper plane cutting position, allows the folded connection of lower plane
Rise and realizes that the corrugated plating of two sides flips up.
4. the production method of plastic honeycomb as claimed in claim 3, it is characterised in that groove trend and material on corrugated plating
Length direction it is consistent, upper lower lock block compress corrugated plating after, upper and lower blade moves along the width direction of material and cut.
5. the production method of plastic honeycomb as claimed in claim 3, it is characterised in that groove trend and material on corrugated plating
Length direction it is perpendicular, upper lower lock block compresses corrugated plating, and corrugated plating is driven to run along the length direction of material, in process
It is cut when lower blade.
6. the manufacturing device of plastic honeycomb as described in claim 1, which is characterized in that comprising being located on corrugated plating below plane
Lower lock block, the upper holder block above corrugated plating lower plane, the top of lower lock block is with ridge protrusion, the bottom of upper holder block
With the protrusion of falling ridge；Also comprising the blade up and down that mutually staggers, upper knife edge is located at corrugated plating top, can be between upper holder block
Gap move towards to cut off upper plane, inclined surface and part lower plane perpendicular to corrugated plating groove, lower blade be located at corrugated plating lower section,
Cutting lower plane, the upper plane in inclined surface and part can be moved towards from the gap between lower lock block perpendicular to corrugated plating groove.
7. the manufacturing device of plastic honeycomb as claimed in claim 6, which is characterized in that the top of lower lock block has and ridge
Protrusion moves towards the notch of perpendicular V-shape, and notch and the upper holder block of the V-shape are staggered；Bottom tool and the ridge of upper holder block
Shape protrusion moves towards the notch of perpendicular inverted V-shape, and notch and the lower lock block of the inverted V-shape are staggered；Lower lock block uplink in place after,
The bottom of V-shape notch is lower than the minimum point that upper knife edge operation Shi Suoneng is cut to；Upper holder block downlink in place after, inverted V-shape lack
The top of mouth is higher than the highest point that lower blade operation Shi Suoneng is cut to.
8. the manufacturing device of plastic honeycomb as claimed in claim 6, which is characterized in that in the width direction of material, every row
Upper holder block is fixed on a crossbeam, and every row's lower lock block is fixed on one crossbeam；Between upper knife edge is between upper holder block
Gap, gap of the lower blade between lower lock block, upper knife edge and lower blade be respectively one group along length of material direction arrangement, along
The rotating knife for the disc-shaped that material width direction moves back and forth, cut direction are the width direction of material.
9. the manufacturing device of plastic honeycomb as claimed in claim 6, which is characterized in that on the length direction of material, every row
Upper holder block and lower lock block are all separately fixed on a belt or chain；Upper knife edge is located at the gap of upper holder block, and lower blade is located at
Gap between lower lock block, upper knife edge and lower blade are respectively one group and arrange and the disc-shaped of position fixation along material width direction
Rotating knife, cut direction be material length direction.
10. the manufacturing device of plastic honeycomb as claimed in claim 6, which is characterized in that upper holder block and lower lock block are all respectively divided into
Two groups, first group of upper holder block and lower lock block clamp corrugated plating, and when drive corrugated plating to move ahead, second group of upper holder block and pushing
Block unclamps corrugated plating, and returns to preparation of going to the back and clamp corrugated plating again；Upper knife edge is located at the gap of upper holder block, lower blade position
Gap between lower lock block, upper knife edge and lower blade are respectively one group and arrange and the disk of position fixation along material width direction
The rotating knife of shape, cut direction are the length direction of material.
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| CN115384120A (en) * | 2022-09-23 | 2022-11-25 | 嘉兴雅港复合材料有限公司 | High-strength noise-reduction honeycomb core and preparation method thereof |
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