CN106393710A - Gluing method, structure and parts of micro-perforated panel and honeycomb sandwich structure - Google Patents
Gluing method, structure and parts of micro-perforated panel and honeycomb sandwich structure Download PDFInfo
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- CN106393710A CN106393710A CN201610987766.2A CN201610987766A CN106393710A CN 106393710 A CN106393710 A CN 106393710A CN 201610987766 A CN201610987766 A CN 201610987766A CN 106393710 A CN106393710 A CN 106393710A
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- panel
- glued membrane
- perforation
- honeycomb
- temperature
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
- B29L2031/608—Honeycomb structures
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- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention belongs to the technical field of sound elimination and noise reduction, and provides a gluing method, the structure and parts of a micro-perforated panel and honeycomb sandwich structure. The method comprises the following steps that A, preselected panel materials are subjected to preset panel forming and panel perforating, so that an upper panel and a lower panel are manufactured; B, the gluing surfaces of the upper panel and the lower panel are covered with gluing films correspondingly, and the gluing films are heated and pressed from one sides according to the preset temperature and pressure and penetrate through the perforated positions of the upper panel and/or the lower panel; and C, the gluing surface of the upper panel is bonded to the top surface of a honeycomb structure, and the gluing surface of the lower panel is bonded to the bottom surface of the honeycomb structure, so that the micro-perforated panel and honeycomb sandwich structure is manufactured. Thus, the effect of reducing and eliminating high-frequency and high-decibel noise is improved for the micro-perforated panel and honeycomb sandwich structure.
Description
Technical field
The present invention relates to noise elimination noise reduction technical field, more particularly, to a kind of splicing side of micropunch panel honeycomb sandwich construction
Method and its structure, part.
Background technology
The sound-deadening and noise-reducing structure that micropore panel honeycomb sandwich construction adhesive bonding technique is mainly used in controlling and reducing noise is produced
In product.The prior art of current honeycomb interlayer sound-deadening and noise-reducing shaping structures mainly has the following two kinds technical scheme：
The first：Using perforated panel and room temperature liquid epoxy adhesive and aluminum honeycomb, glass cloth honeycomb and aramid fiber paper wasp
Nest glueds joint.After the completion of splicing, clear up panel blocking hole position by the way of either manually or mechanically processing.The method shaped article often should
Used in ship etc..
Second：Using veneer perforated panel, it is connected with floor using by way of being mechanically connected by rib or framework.Should
Technology is commonly used in that high ferro is along the line or the sound insulation protecting wall in construction site.
Wherein, the first technical scheme of the prior art mainly has following a few point defect：
(1) the larger product in panel aperture is applied to using this technology molding, and the hole for aperture little (diameter≤1mm)
Plate glueds joint, and this technique is inapplicable.
(2) due to the defect of moulding process, in Bonding Process, perforated panel clogging easily occurs, after plugging hole
Substantially reduce the function affect of structural member sound-deadening and noise-reducing, so manual cleanup panel plugging hole must be adopted after the completion of glueing joint
Position, easily injures honeycomb, the structural strength of impact component using manual cleanup.
Second technical scheme of the prior art mainly has following a few point defect：
(1) because reinforcement blocks or occupies substantial amounts of room, part erasure effect is made to significantly reduce.
(2) due to lacking the approach of the sound-deadening and noise-reducings such as honeycomb, thus poor using this technology sound-deadening and noise-reducing effect.
And the larger honeycomb sandwich construction molding of panel piercing aperture is only applicable to using above two forming technique molding,
Such product is only applicable to some low frequencies, the sound-deadening and noise-reducing of low decibel (≤90dB) noise, to high frequency, high-decibel (>=90dB)
Noise sound-deadening and noise-reducing no positive effect.
In summary, the adhesive bonding technique of existing micropunch panel honeycomb sandwich construction is in actual use it is clear that exist
Inconvenience and defect, it is therefore necessary to improved.
Content of the invention
For above-mentioned defect, it is an object of the invention to provide a kind of splicing side of micropunch panel honeycomb sandwich construction
Method and its structure, part, to improve micropunch panel honeycomb sandwich construction to the sound-deadening and noise-reducing of high frequency and the noise of high-decibel
Effect.
To achieve these goals, the present invention provides a kind of adhering method of micropunch panel honeycomb sandwich construction, described
Method comprises the steps：
A, the panel material of pre-selection is carried out default panel forming processing and panel perforation processing, make top panel and under
Panel；
B, it is coated with glued membrane in the splicing face of described top panel and lower panel respectively, and from the side of described glued membrane to described
Glued membrane applies default temperature and pressure, makes described glued membrane correspond respectively to the perforation on described top panel and/or lower panel
Position penetrates；
C, will described top panel glued joint face bonding with the top surface of honeycomb, and by the splicing face of described lower panel with described
The bottom surface bonding of honeycomb, makes described micropunch panel honeycomb sandwich construction.
According to described adhering method, methods described also includes：
D, described micropunch panel honeycomb sandwich construction is assembled in default component die carry out part combination and
Curing operation is gluedd joint in encapsulation, after the completion of curing operation is gluedd joint in described encapsulation, by the described micropunch panel honeycomb interlayer of molding
The demoulding from described component die of the part of structure.
According to described adhering method, described step A includes：
A1, the described panel material being preselected using autoclave forming process and the processing of intermediate temperature setting technique, make described panel
Material molding；
A2, according to default perforation setting requirements, the perforation processing of described panel is carried out to described panel material after molding,
Make the described top panel according to default perforation setting requirements and/or described lower panel.
According to described adhering method, described step B includes：
B1, the splicing face of described top panel and lower panel is adopted acetone or alcohol solvent wiping clean, and by described glue
Film is coated with respectively on the splicing face of described top panel and lower panel；
B2, when offering described perforation on described top panel and/or lower panel, apply default from described glued membrane side
The hot blast of temperature and pressure, by described hot blast to described glued membrane effect make described glued membrane correspond respectively to described top panel and/
Or the position of the perforation on lower panel penetrates, and formed perforation film layer be attached to the perforation on described top panel and/or lower panel
Inwall on；
Described default temperature and pressure is configured according to the type of described glued membrane.
According to described adhering method, in described step A2, described perforation is all opened up to described top panel and lower panel；
Or,
Described top panel is opened up with described perforation or described perforation is not opened up to described lower panel；
In described step B1, one piece of described glued membrane is coated with described top panel and lower panel；Or by polylith institute
It is coated with described top panel and lower panel after stating glued membrane splicing.
According to described adhering method, when described glued membrane is middle temperature glued membrane, described default temperature is 70 DEG C～100
℃；Described pressure is 0.1Mpa～0.3Mpa；
When described glued membrane is high temperature glued membrane, described default temperature is 90 DEG C～130 DEG C；Described pressure be 0.1Mpa～
0.3Mpa；
Described in polylith, the splicing seams of glued membrane splicing are less than or equal to 0.1；
The diameter of described perforation is less than or equal to 1.
According to described adhering method, described panel material is composite or metal material；
Described middle temperature glued membrane is middle temperature epoxy resin glued membrane；Described high temperature glued membrane is High temp. epoxy resinses glued membrane；
Described honeycomb is aramid fiber honeycomb or aluminum honeycomb.
According to described adhering method, described composite includes resin and reinforcing fiber；
Described metal material is aluminium alloy, steel or magnesium alloy.
In order to realize another goal of the invention of the present invention, present invention also offers the glue described in a kind of utilization any of the above-described
Connect the micropunch panel honeycomb sandwich construction of method processing.
In order to realize another goal of the invention of the present invention, present invention also offers a kind of described micropunch panel honeycomb folder
The part of Rotating fields.
The present invention passes through in the splicing course of processing of micropunch panel honeycomb sandwich construction, to micropunch panel honeycomb
Before plate above sandwich, honeycomb, lower panel bonding, carry out pre- place to being coated with glued membrane in the panel glue junction of tape punching
Reason, applies default temperature and pressure from the side of described glued membrane to described glued membrane, so that described glued membrane is corresponded respectively on described
The position of the perforation on panel and/or lower panel penetrates, and formed perforation film layer be attached on described top panel and/or lower panel
The inwall of perforation on.Thus, the perforation on top panel and/or lower panel will not be blocked it is ensured that good sound-deadening and noise-reducing is imitated
Really, particularly there is positive effect to the noise sound-deadening and noise-reducing of high frequency, high-decibel (>=90dB).And the molding of present invention offer is provided
Technology molding is not only applicable to the larger honeycomb sandwich construction molding of panel piercing aperture, be suitable to some low frequencies, low decibel (≤
90dB) the sound-deadening and noise-reducing of noise, and the noise sound-deadening and noise-reducing positive effect to high frequency, high-decibel (>=90dB).And pass through
The adhering method of the micropunch panel honeycomb sandwich construction that the present invention provides is suitable to composite microporous panel honeycomb sandwich construction
With metal material micropore panel honeycomb sandwich construction forming parts, thus, improve the sound-deadening and noise-reducing infrastructure product reducing noise
Noise sound-deadening and noise-reducing effect.
Brief description
Fig. 1 is the flow chart of the adhering method of micropunch panel honeycomb sandwich construction provided in an embodiment of the present invention；
Fig. 2 is the structural representation of micropunch panel honeycomb sandwich construction provided in an embodiment of the present invention；
Fig. 3 is the encapsulation solidification by cement of the part combination of micropunch panel honeycomb sandwich construction provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is the flow chart of the adhering method of micropunch panel honeycomb sandwich construction provided in an embodiment of the present invention；
Fig. 5 is the experiment process figure of the adhering method of micropunch panel honeycomb sandwich construction provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1 and Fig. 2, in the first embodiment of the present invention, there is provided a kind of micropunch panel honeycomb sandwich construction
Adhering method, methods described comprises the steps：
In step S101, the panel material of pre-selection is carried out default panel forming processing and panel perforation processing, makes
Top panel 10 and lower panel 20；
In step S102, it is coated with glued membrane in the splicing face of described top panel 10 and lower panel 20 respectively, and from described glue
The side of film to described glued membrane apply default temperature and pressure, make described glued membrane correspond respectively to described top panel 10 and/or
The position of the perforation 11 on lower panel 20 penetrates；
In step S103, will described top panel 10 to glued joint face bonding with the top surface of honeycomb 30, and by described lower panel
20 splicing face is bonding with the bottom surface of described honeycomb 30, makes described micropunch panel honeycomb sandwich construction 100.
In this embodiment, it is necessary first to root in the adhering method of the micropunch panel honeycomb sandwich construction 100 providing
According to the real needs of the processing of micropunch panel honeycomb sandwich construction 100, to the panel material being pre-selected according to default processing
Demand carries out panel forming processing makes described panel material curing molding, carries out panel perforation processing afterwards, according to top panel 10
Drilling with lower panel 20 requires, for example size of the arrangement mode of punching rate and perforation and perforation etc., in top panel 10
And/or perforation 11 is opened up on lower panel 20, make the upper and lower panel of micropunch panel honeycomb sandwich construction 100.In top panel 10
After making with lower panel 20, it is coated with glued membrane in the splicing face of top panel 10 and lower panel 20, described splicing face is above plate 10
With bonding with honeycomb 30 face in lower panel 20.Glued membrane is coated with, needs to be laid on splicing face, and with glued joint face
Compacting and not fold.Afterwards, need to carry out pretreatment to the glued membrane on splicing face, from the side of described glued membrane, described glued membrane is applied
Plus default temperature and pressure, make described glued membrane correspond respectively to the perforation 11 on described top panel 10 and/or lower panel 20
Position penetrates.I.e. if the pretreatment mode of the glued membrane on top panel 10 is one of the glued membrane from the splicing face of described top panel 10
Side, towards described splicing face, applies default temperature and pressure to described glued membrane, so that the glued membrane on top panel 10 is corresponded to above
The position of the perforation 11 on plate 10 penetrates.If perforation is also offered on lower panel 20, also identical to the pretreatment mode of glued membrane.
Thus, glued membrane glueds joint in processing in micropunch panel honeycomb sandwich construction 100, will not block top panel 10 and/or lower panel 20
Perforation, improve the effect of micropunch panel honeycomb sandwich construction 100 sound-deadening and noise-reducing, especially for high frequency, high-decibel (>=
Noise sound-deadening and noise-reducing 90dB) has positive effect.
In the second embodiment of the present invention, before step S101, need to select to for process top panel 10 and under
The panel material of panel 20, can select different panel materials according to the needs of processing, for example described panel material is compound
Material or metal material；And described composite includes resin and reinforcing fiber etc.；Described metal material is aluminium alloy, steel
Or magnesium alloy etc..Additionally, also dependent on the requirement of processing and design, selecting honeycomb and glued membrane.Honeycomb 30 can be selected various
The honeycomb 30 of the trade mark, such as aramid fiber honeycomb or aluminum honeycomb.And the selection of glued membrane includes middle temperature glued membrane and high temperature glued membrane, wherein said
Middle temperature glued membrane includes middle temperature epoxy resin glued membrane etc.；Described high temperature glued membrane includes High temp. epoxy resinses glued membrane etc..
In the third embodiment of the present invention, after described step S103, methods described also includes：
Micropunch panel honeycomb sandwich construction 100 is assembled in default component die and carries out part combination and encapsulation
Solidification by cement operates, after the completion of curing operation is gluedd joint in described encapsulation, by the described micropunch panel honeycomb sandwich construction of molding
The step of 100 part demoulding from described component die.
In this embodiment, micropunch panel honeycomb sandwich construction 100 is processed further, by micropunch panel honeybee
Nest sandwich 100 is assembled in default component die, and composition needs the micropunch panel honeycomb sandwich construction 100 of processing
Part combination.Specifically, top panel 10, honeycomb 30, lower panel 20 are assembled by detail drawing and be laid in ready mould
On, by technological requirement, auxiliary material is laid on part.Referring to Fig. 3, encapsulate as shown in Figure 3, then entered according to the glued membrane selected
Row glued membrane curing process, such as middle temperature glued membrane curing process and high temperature glued membrane curing process, the part solidification in mould is finally treated
After the completion of curing process, aid gently takes off from mould, by HB7224《Composite material component general technical specifications》Enter
Row Non-Destructive Testing, is finally made composite microporous panel honeycomb sandwich construction 100 or metal material micropore panel honeycomb interlayer
The forming part of structure 100.
In the fourth embodiment of the present invention, described step S101 includes：
A1, the described panel material being preselected using autoclave forming process and the processing of intermediate temperature setting technique, make described panel
Material molding；
A2, according to default perforation setting requirements, the perforation processing of described panel is carried out to described panel material after molding,
Make the described top panel 10 according to default perforation setting requirements and/or described lower panel 20.
Described step S102 includes：
B1, the splicing face of described top panel 10 and lower panel 20 is adopted acetone or alcohol solvent wiping clean, and by institute
State glued membrane to be coated with respectively on the splicing face of described top panel 10 and lower panel 20；
B2, offer on described top panel 10 and/or lower panel 20 described perforation 11 when, from described glued membrane side apply
The hot blast of default temperature and pressure, makes described glued membrane correspond respectively to above described the effect of described glued membrane by described hot blast
The position of the perforation 11 on plate 10 and/or lower panel 20 penetrates, and formed perforation film layer be attached to described top panel 10 and/or under
On the inwall of perforation 11 on panel 20.
In this embodiment, the described panel material of pre-selection is carried out using autoclave forming process equipment in step S101
After autoclave forming process processing, then carry out intermediate temperature setting technique processing, make described panel material molding.Then to institute after molding
The panel material stated carries out described panel perforation processing according to default perforation setting requirements, makes according to default perforation setting
Plate 10 and/or lower panel 20 above requirement.And the design according to micropore panel honeycomb sandwich construction 100 and production requirement, can
To open up perforation 11 to top panel 10 and lower panel 20 respectively, or only one of which panel opens up perforation 11, such as top panel 10
Or lower panel 20.And open up the diameter of perforation preferably less than equal to 1 millimeter in top panel 10, lower panel 20, to improve to height
Frequently, the noise sound-deadening and noise-reducing effect of high-decibel (>=90dB).After completing the aforementioned steps, in step s 102, on will be described
The splicing face of panel 10 and lower panel 20 adopts acetone or alcohol solvent wiping clean, to ensure splicing face cleaning so as to be easy to
Bonding, then described glued membrane is coated with respectively on top panel 10 and lower panel 20, its technical requirements is on the splicing face that is laid in,
And it is compacted, not fold.Afterwards, pretreatment is carried out to the glued membrane on the splicing face on the panel with perforation.On described
When described perforation 11 is offered on plate 10 and/or lower panel 20, from described glued membrane side, default temperature is applied to described glued membrane
With the hot blast of pressure, this hot blast can be applied by air blast pressurized equipment, by described hot blast, the effect of described glued membrane is made described
The position that glued membrane corresponds respectively to the perforation on described top panel 10 and/or lower panel 20 penetrates, and forms perforation film layer attachment
On the inwall of the perforation on described top panel 10 and/or lower panel 20.Thus, top panel 10 and/or lower panel will not be blocked
It is ensured that good sound-deadening and noise-reducing effect, the particularly noise noise reduction to high frequency, high-decibel (>=90dB) is dropped for perforation 11 on 20
Make an uproar and have positive effect.This default temperature and pressure makes glued membrane both cohesivelies, can be blown perforation, pretreatment temperature by hot blast again
Spend, that is, default temperature needs to be configured according to different glue film material and processing needs.Wherein, described default temperature and
Pressure is configured according to the type of described glued membrane, described glued membrane be middle temperature glued membrane when, described default temperature for 70 DEG C～
100℃；Described pressure is 0.1Mpa～0.3Mpa；Described glued membrane be high temperature glued membrane when, described default temperature be 90 DEG C～
130℃；Described pressure is 0.1Mpa～0.3Mpa.In an embodiment of the invention, for during middle temperature glued membrane pretreatment
Temperature be 85 DEG C, pressure 0.2MPa.Temperature during high temperature glued membrane pretreatment is 100 DEG C, pressure 0.2MPa.
In an embodiment of the invention, in described step A2, described top panel 10 and lower panel 20 are all opened
If described perforation；Or, described top panel 10 is opened up with described perforation or described perforation is not opened up to described lower panel 20.Ginseng
See Fig. 2, multiple perforation 11 (micropores) have been opened up on top panel 10；In described step B1, one piece of described glued membrane is coated with institute
State on top panel 10 and lower panel 20；Or it is coated with described top panel 10 and lower panel 20 after glued membrane splicing described in polylith.
And the splicing seams of glued membrane splicing are less than or equal to 0.1 described in polylith.
In the fifth embodiment of the present invention, there is provided a kind of adhering method processing using described in any of the above-described embodiment
Micropunch panel honeycomb sandwich construction 100.The for example above-mentioned multiple enforcements of processing method of micropunch panel honeycomb sandwich construction 100
Example is described, and includes the part of described micropunch panel honeycomb sandwich construction 100.These parts are pressed from both sides by micropunch panel honeycomb
Rotating fields 100 process, and are mainly used in the fields such as space flight, military project, engineering truck.
In the sixth embodiment of the present invention, there is provided the adhering method of micropunch panel honeycomb sandwich construction, this splicing
Method is primarily directed to the technical requirements of high frequency, high-decibel (>=90dB) noise sound-deadening and noise-reducing technology and through engineering approaches application, carries out
The research of the aspect such as composite selection and forming technique, the adhering method of micropunch panel honeycomb sandwich construction as follows：
In step S401, select the material of processing micropunch panel honeycomb sandwich construction, mainly include panel material, glued membrane
And honeycomb；
Specifically, this panel material refers mainly to commercially available material prepreg.Prepreg main material be intermediate temperature setting (Gu
Change 120～130 DEG C of temperature) or hot setting (175～185 DEG C of solidification temperature) resin, reinforcing fiber is various trade mark carbon fibers
With glass fibre glued membrane：Select middle temperature (LWF-2) or High temp. epoxy resinses glued membrane (J-116) according to panel material；Honeycomb 30 is then
Various trade mark NOMEX honeycombs 30 (aramid fiber honeycomb) or aluminum honeycomb 30.
In step S402, opposite panel material carries out molding and solidification processing, makes panel forming；
In this step, the moulding process of panel selects to take autoclave forming process, is become by opposite panel material
Type is processed, and by intermediate temperature setting technique, the panel after molding is carried out with solidification processing afterwards.Using intermediate temperature setting technique first by room
Temperature rise temperature is forced into solidification temperature, then carries out being incubated, lowering the temperature operation.Wherein heating rate is 1～3 DEG C/min, pressure：0.1
～0.6MPa；Solidification temperature：100～150 DEG C；Rate of temperature fall：1～3 DEG C/min, temperature≤70 DEG C；Temperature retention time：2～3 is little
When.Finally, after panel solidification completes the demoulding, panel forming, and press HB7224《Composite material component general technical specifications》Carry out
Non-Destructive Testing.Panel tolerance presses HB7741《Composite general tolerance》Execution.
In step S403, drilling is carried out to the panel after molding；
In this step, added using numerical control machine according to the diameter and arrangement mode of design drawing middle punch or laser punching etc.
Mode carries out drilling to the panel after molding.And the drilling of top panel 10 and lower panel 20 requires according to different process requirements
And it is different.Machine plus during, panel temperature must not exceed panel solidification temperature in step S402, and takes corresponding measure,
Ensure that composite does not produce the defects such as layering.After the completion of panel drilling, by HB7224《Composite material component current techique bar
Part》Carry out Non-Destructive Testing.Thus make top panel 10 and lower panel 20.
In step S404, glued membrane is coated with upper and lower panel；
In this step, first use acetone or alcohol solvent by the splicing face wiped clean of upper and lower panel (10,20), by glue
Film is laid on the splicing face of upper and lower panel (10,20), compacting.Fold must not be produced in laid course, lack the defects such as material.
The glued membrane of one whole generally can be selected to be coated with；Or in order to save materials and glued membrane not big in the case of, can
Using the splicing of multiple glued membranes, but splicing seams≤0.1mm.
In step S405, pretreatment is carried out to the glued membrane on plate above tape punching 10 and/or lower panel 20：
This step is the committed step of technical solution of the present invention, on the panel of tape punching being coated with glued membrane, using glued membrane
Heat shrinkability characteristic, along laminate direction (i.e. from the side of described glued membrane to described glued membrane apply default temperature and pressure) right
Glued membrane applies uniform temperature and forced air, carries out pretreatment to glued membrane, until glued membrane completely penetrates through ventilated setting adhesive film complete perforated
Afterwards, glued membrane, uniformly to around shrinking, is formed and perforated face sheets identical perforation film layer.
Because glued membrane or adhesive are in whole solidification process, typically handle the change procedure from mucus state to solid-state, special
Not in liquid phase, it is easy to flow in the hole under adhesive requisite negative pressure of vacuum and external pressure effect in Bonding Process,
Cause the blockage of perforations of panel, thus affecting the sound-deadening and noise-reducing effect of part.From glueing joint theory analysis, reduce the flowing of adhesive
Bonding property and the mechanical strength of whole part may be affected, how on the premise of not affecting to glued joint mechanical property, to control gluing
The mobility of agent just becomes the key of whole technical process.Experimentation, glueds joint for micropore perforated plate honeycomb 30 sandwich
Feature and technical requirements, in order to break through this key technology, according to building block system test method, carried out a series of related examinations
Test, whole experiment process is as shown in figure 5, technological process is described as follows：
In step S501, test piece level process certification test and performance detection；
In this step, the various processes envisioned are implemented first in composite microporous flat board test piece, mainly
Press《Composite material component general technical specifications》With《GB/T1452 sandwich pull-off strength》Investigate polytechnic feasibility,
Thus filtering out optimum process scheme.
In step S502, typical parts process certification test and performance detection；
In this step, the method taking scaled down, chooses in application process using more complex profile and knot
The type testing part of configuration formula, carries out related process test, investigates above-mentioned process program in complex profile and version
Applicable cases, finely tune process program according to experimental configuration, are that the manufacture of micropunch panel honeycomb sandwich construction part lays the foundation.
In step S503, micropore panel honeycomb sandwich construction part manufactures and performance detection；
In this step, according to the drawing of consigner, digital-to-analogue and technical requirements, carry out the development of testpieces and part, and
Replenishment of process scheme in the fabrication process.Knowable to result of the test, this technology can meet current micropunch panel honeycomb folder
Rotating fields sound-deadening and noise-reducing structural member and correlation test part manufacture.Performance detection in above-mentioned steps S501～S503 mainly contains table
Inspection project in 1.
Table 1
Through test of many times, final determination process is：On the panel with holes laying glued membrane, using the heat of glued membrane
Shrinkage characteristicss, are applied with the hot blast temperature of uniform temperature and pressure and pressure (from described glued membrane along laminate direction to glued membrane
Side, applies default temperature and pressure towards the direction glueing joint face to described glued membrane), pretreatment is carried out to glued membrane, until glue
Film completely penetrates through sizing.After glued membrane complete perforated, glued membrane, uniformly to around shrinking, is covered in perforation inwall, is formed and band hole face
Plate identical perforation film layer.This critical process can be seen that, major influence factors are temperature, temperature is too low, glued membrane cannot be worn
Hole, temperature is too high, and the follow-up adhesive technology impact on glued membrane is very big.Through test of many times, the pretreatment temperature 70 of middle temperature glued membrane
～100 DEG C, 90～130 DEG C of high temperature glued membrane pretreatment temperature.
The definition of stove part is joined in table 1：Use the treadmill test part of same material and version with part, in the fabrication process
With part manufacturing process, time and identical using equipment, and be encapsulated in same vacuum bag splicing curing molding in part,
In order to investigate reliability of technology.This committed step is that the successful Application of micropore perforated panel honeycomb 30 sandwich adhesive bonding technique is beaten
Descend basis, also the research and development for the sound-deadening and noise-reducing part of micropunch panel honeycomb sandwich construction and Quality advance provide technology and prop up
Hold.
In step S406, part combination；
By perforated panel, honeycomb 30, lower panel 20 press preprocessing micropunch panel honeycomb sandwich construction 100 part drawing
Paper assembles and is laid on ready mould, lays auxiliary material by technological requirement on part.
In step S407, encapsulate solidification by cement；
In this step, referring to Fig. 3, encapsulation solidification by cement adopts autoclave forming process.Class according to the glued membrane selected
Type, using different curing process.As glued membrane selects middle temperature glued membrane then to adopt middle temperature glued membrane curing process；Specific curing process
Process is：First by room temperature/be forced into solidification temperature, then preserving temperature and reducing temperature again, technological parameter therein：Heating rate 1～3
DEG C/min, pressure 0.1～0.3MPa；Temperature retention time 2～3 hours, 120～130 DEG C of solidification temperature；1～2 DEG C of rate of temperature fall/
Min, temperature≤70 DEG C.
As glued membrane selects high temperature glued membrane then to adopt high temperature glued membrane curing process；Specifically curing process is：First by room
Temperature rise temperature/be forced into solidification temperature, then preserving temperature and reducing temperature again, technological parameter：1～3 DEG C/min of heating rate, pressure 0.1～
0.3MPa；Temperature retention time 2～3 hours, 175～185 DEG C of solidification temperature；1～2 DEG C/min of rate of temperature fall, temperature≤70 DEG C.
In step S408, by the part removal of molding；
In this step, after the completion of technique to be solidified, aid gently takes off from mould, by HB7224《Composite wood
Material part general technical specifications》Carry out Non-Destructive Testing.
Process above scheme is suitable to composite microporous panel honeycomb sandwich construction and the metal material micropore face of the present invention
The forming parts of plate honeycomb sandwich construction.Micropunch panel honeycomb sandwich construction 100 belongs to microperforated panel noise elimination structure, and it is one
Plant the new sound absorption structure of quality, high acoustic resistance in a low voice, by penetration hole diameter is reduced to below 1mm, so that its flow resistance is increased, have concurrently
Acoustic resistance and the effect of acoustic reactance, are a kind of impedance complex formula sound absorption structures.This micropunch panel honeycomb sandwich construction 100 is particularly right
Noise sound-deadening and noise-reducing positive effect in high frequency, high-decibel (>=90dB).
In one embodiment of the present of invention mode, the product size size of processing micropore panel honeycomb sandwich construction 100
Hyperboloid honeycomb 30 sandwich for 800*400mm, upper and lower panel 20 material is T700/ High temp. epoxy resinses prepreg, on
Panel 10 is the perforated panel of diameter 1mm, and punching rate is 10%.Honeycomb 30 is NOMEX honeycomb 30, specification NRH-2-48
(0.05), J-116 high temperature glued membrane is adopted to glued joint between honeycomb 30 and panel.Product main technical requirements：1. product appearance is smooth
Smooth, must not there are >=projection of 0.25mm or pit.2. top panel 10 perforated plate percentage of plugged hole≤2%.3. Non-Destructive Testing：Part is no
Unsticking, panel is no layered, is mingled with.4. stove part pull-off strength accompanied by part, and qualified index ruptures for honeycomb 30.
Wherein, the high temperature glue film performance according to High temp. epoxy resinses (J-116) and characteristic determine pretreatment temperature be 90～
130 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 125 DEG C, 120 DEG C, 125 DEG C, 130 DEG C of test temperature, mesh are set in this temperature range
Survey the glued membrane aperture time (requiring 3-5 minute), then press respective standard and detect glued membrane glue-joint strength, tool is determined according to result of the test
The pretreatment temperature of body.On the perforated face sheets being coated with glued membrane, using the heat shrinkability characteristic of glued membrane, apply one along laminate direction
Constant temperature degree and forced air, carry out pretreatment to glued membrane, until glued membrane completely penetrates through sizing, thus without wearing on blocking panel
Hole, improves micropunch panel honeycomb sandwich construction noise reduction.The detection knot of the part of micropore panel honeycomb sandwich construction 100
Fruit is as shown in table 2：
Table 2
As can be seen here, above-mentioned multiple embodiment is based upon carrying out and is based on composite high frequency, high-decibel (>=90dB)
The technical research such as noise sound-deadening and noise-reducing structure/function integration moulding process, break through high frequency, the noise of high-decibel (>=90dB)
The key technologies such as the adhesive bonding technique of the preparation of sound-deadening and noise-reducing composite microporous and micropunch panel honeycomb sandwich construction, realize compound
The noise sound-deadening and noise-reducing structure/function of material sound-deadening and noise-reducing the structure high frequency such as aero-engine, high-decibel (>=90dB) at home
Engineering of integratingization is applied
In sum, the present invention passes through, in the splicing course of processing of micropunch panel honeycomb sandwich construction, wearing to micro-
Before plate above hole face plate honeycomb sandwich construction, honeycomb, lower panel bonding, to being coated with glued membrane in the panel glue junction of tape punching
Carry out pretreatment, from the side of described glued membrane, default temperature and pressure is applied to described glued membrane, so that described glued membrane is corresponded to respectively
The position of the perforation on described top panel and/or lower panel penetrates, and formed perforation film layer be attached to described top panel and/or
On the inwall of the perforation on lower panel.Thus, boring a hole it is ensured that good disappears on top panel and/or lower panel will not be blocked
Sound noise reduction, particularly has positive effect to the noise sound-deadening and noise-reducing of high frequency, high-decibel (>=90dB).And carried using the present invention
For forming technique molding be not only applicable to the larger honeycomb sandwich construction molding of panel piercing aperture, be suitable to some low frequencies, low
The sound-deadening and noise-reducing of decibel (≤90dB) noise, and the noise sound-deadening and noise-reducing positive effect to high frequency, high-decibel (>=90dB).And
And the adhering method of the micropunch panel honeycomb sandwich construction being provided by the present invention is suitable to composite microporous panel honeycomb folder
Rotating fields and metal material micropore panel honeycomb sandwich construction forming parts, thus, improve the sound-deadening and noise-reducing knot reducing noise
The noise sound-deadening and noise-reducing effect of structure product.
Certainly, the present invention also can have other various embodiments, in the case of without departing substantially from present invention spirit and its essence, ripe
Know those skilled in the art and work as and various corresponding changes and deformation can be made according to the present invention, but these corresponding changes and change
Shape all should belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of adhering method of micropunch panel honeycomb sandwich construction is it is characterised in that methods described comprises the steps：
A, the panel material of pre-selection is carried out default panel forming processing and panel perforation processing, make top panel and following
Plate；
B, it is coated with glued membrane in the splicing face of described top panel and lower panel respectively, and from the side of described glued membrane to described glued membrane
Apply default temperature and pressure, make described glued membrane correspond respectively to the position of the perforation on described top panel and/or lower panel
Penetrate；
C, will described top panel to glued joint face bonding with the top surface of honeycomb, and by the splicing face of described lower panel and described honeycomb
Bottom surface bonding, make described micropunch panel honeycomb sandwich construction.
2. adhering method according to claim 1 is it is characterised in that methods described also includes：
D, described micropunch panel honeycomb sandwich construction is assembled in default component die carries out part combination and encapsulation
Solidification by cement operates, after the completion of curing operation is gluedd joint in described encapsulation, by the described micropunch panel honeycomb sandwich construction of molding
Part demoulding from described component die.
3. adhering method according to claim 1 is it is characterised in that described step A includes：
A1, the described panel material being preselected using autoclave forming process and the processing of intermediate temperature setting technique, make described panel material
Molding；
A2, according to default perforation setting requirements, the perforation processing of described panel is carried out to described panel material after molding, make
Described top panel and/or described lower panel according to default perforation setting requirements.
4. adhering method according to claim 3 is it is characterised in that described step B includes：
B1, the splicing face of described top panel and lower panel is adopted acetone or alcohol solvent wiping clean, and described glued membrane is divided
It is not coated with the splicing face of described top panel and lower panel；
B2, when offering described perforation on described top panel and/or lower panel, apply default temperature from described glued membrane side
With the hot blast of pressure, by described hot blast to described glued membrane effect make described glued membrane correspond respectively to described top panel and/or under
The position of the perforation on panel penetrates, and formed perforation film layer be attached to the interior of the perforation on described top panel and/or lower panel
On wall；
Described default temperature and pressure is configured according to the type of described glued membrane.
5. adhering method according to claim 4 is it is characterised in that in described step A2, to described top panel and under
Panel all opens up described perforation；Or,
Described top panel is opened up with described perforation or described perforation is not opened up to described lower panel；
In described step B1, one piece of described glued membrane is coated with described top panel and lower panel；Or by glue described in polylith
It is coated with described top panel and lower panel after film splicing.
6. adhering method according to claim 5 it is characterised in that described glued membrane be middle temperature glued membrane when, described preset
Temperature be 70 DEG C～100 DEG C；Described pressure is 0.1Mpa～0.3Mpa；
When described glued membrane is high temperature glued membrane, described default temperature is 90 DEG C～130 DEG C；Described pressure be 0.1Mpa～
0.3Mpa；
Described in polylith, the splicing seams of glued membrane splicing are less than or equal to 0.1；
The diameter of described perforation is less than or equal to 1.
7. adhering method according to claim 6 is it is characterised in that described panel material is composite or metal material
Material；
Described middle temperature glued membrane is middle temperature epoxy resin glued membrane；Described high temperature glued membrane is High temp. epoxy resinses glued membrane；
Described honeycomb is aramid fiber honeycomb or aluminum honeycomb.
8. adhering method according to claim 7 is it is characterised in that described composite includes resin and reinforcing fiber；
Described metal material is aluminium alloy, steel or magnesium alloy.
9. the micropunch panel honeycomb sandwich construction of the adhering method processing described in a kind of utilization any one of claim 1～8.
10. a kind of part including the micropunch panel honeycomb sandwich construction described in claim 9.
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| CN108533589A (en) * | 2018-03-19 | 2018-09-14 | 中国南方航空股份有限公司 | A kind of adhering method in metal noise-reducing structure extension splicing face |
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| CN109555234A (en) * | 2017-09-25 | 2019-04-02 | 北京市劳动保护科学研究所 | A method of making microperforated panel |
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| CN110481061A (en) * | 2019-09-17 | 2019-11-22 | 中国航发沈阳发动机研究所 | A kind of method for punching of fibre reinforced composites, acoustical panel and its sound lining |
| CN110925283B (en) * | 2019-11-22 | 2021-07-16 | 西安飞机工业（集团）有限责任公司 | Forming method for array antenna metal plate core glue array panel |
| CN110925283A (en) * | 2019-11-22 | 2020-03-27 | 西安飞机工业（集团）有限责任公司 | Forming method for array antenna metal plate core glue array panel |
| CN110920090A (en) * | 2019-11-28 | 2020-03-27 | 航天海鹰(镇江)特种材料有限公司 | Preparation method of sound liner made of sound-deadening and noise-reducing composite material |
| CN110920090B (en) * | 2019-11-28 | 2022-02-22 | 航天海鹰(镇江)特种材料有限公司 | Preparation method of sound liner made of sound-deadening and noise-reducing composite material |
| CN111696503A (en) * | 2020-06-01 | 2020-09-22 | 西安交通大学 | Impedance enhancement perforated honeycomb panel underwater sound absorption metamaterial structure |
| CN111696503B (en) * | 2020-06-01 | 2023-03-28 | 西安交通大学 | Impedance enhancement perforated honeycomb panel underwater sound absorption metamaterial structure |
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