CN104760391B - Preparation method of honeycomb core - Google Patents
Preparation method of honeycomb core Download PDFInfo
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- CN104760391B CN104760391B CN201410007316.3A CN201410007316A CN104760391B CN 104760391 B CN104760391 B CN 104760391B CN 201410007316 A CN201410007316 A CN 201410007316A CN 104760391 B CN104760391 B CN 104760391B
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Abstract
The invention relates to a preparation method of a honeycomb core, and in particular, relates to a manufacturing method for the high-molecular material and fiber-high molecular composite material honeycomb core. The preparation method comprises that pressure heads at the upper face and the lower face are in derangement, during pressing, the press heads are advanced forward for pressing point-by-point in an array type lattice mode relative to the direction of a foil material or a sheet material, and the foil material or the sheet material of the high-molecular material or the fiber-resin composite material is gradually pressed and solidified into the honeycomb core in concave-convex staggered arrangement. Pressing points of the press heads are in regular distribution according to 'herringbone' or 'transverse rod-shaped' rows and columns in the upper face and the lower face, and the three steps of upper and lower advance pressing, pressure holding and separation of the foil material or the sheet material are implemented step-by-step. Due to point-by-point forward-advancing pressing, nondestructive automatic feeding of fiber cloth is realized, phenomena such as raw material damage, pulling damage, holes formed by pulling the fiber cloth and fiber tensile failure are avoided, and the strength of products is facilitated to be improved.
Description
Technical field
The present invention relates to a kind of preparation method of honeycomb core, particularly a kind of macromolecular material and fiber+macromolecule are multiple
The manufacture method of condensation material honeycomb core.
Background technology
Cellular board lightweight, high-strength, high performance high-quality, commonly used in fields such as train, Aero-Space.Cellular board produces
Key technology be the preparation of honeycomb core.Traditional at present aluminium honeycomb core, paper honeycomb core and aramid fiber honeycomb core are all using drawing
It is stretched into the preparation of type method, and existing complete set of equipments is sold.With regard to fiber+resin（As fiberglass）The preparation side of composite honeycomb core
Method has document to describe the method for development and two kinds of corrugation methods, but the equal efficiency of two methods is low, and all difficulty realizes large-scale production.Also someone adopts
It is assembled into plastic honeycomb core with multi beam plastic round tube.
The method of development：This method previous section is identical with traditional aluminium honeycomb core and paper honeycomb core production method, that is, in fiber prepreg
The strip cloth adhesive that coating has certain intervals is generated on cloth（Gluing area 1/4, the not spacer area 3/4 of gluing）, multilayer
Overlapping pressurizing binding, wherein adjacent bonding position interlocks, and according to honeycomb core height slitting after adhesive curing, is then launched into honeycomb
Shape.Because Fiber prepreg easily restores, must also in the state of keeping being drawn into honeycomb core, then by Fiber prepreg plus
Heat makes it solidify can to obtain honeycomb core finished product.Prepare fiber+resin composite materials honeycomb core with pulling method to have the disadvantage that：
1st, power needed for fiber cloth is launched not can exceed that the adhesion strength of adhesive, can only use individual layer lower tenacity fibers cloth, and honeycomb core resists
Compressive Strength is low；2nd, because fiber cloth has resilience, stretching during solidification, need to be kept to be heating and curing, size is difficult to do big, production effect
Rate is low.
Corrugation methods：Latex bonded fibre cloth or Fiber prepreg are suppressed corrugated, transverse cuts system after solidification by mould
Become the contour little bar of corrugated of multi-disc, then by little bar in corrugation lobes face gluing one by one, then interlock one by one by hexagonal structure
Spicing forming type.This method make extremely inefficient it is impossible to accomplish scale production.
Content of the invention
The problem existing in view of the aforementioned technical background, it is an object of the invention to provide a kind of honeycomb core preparation method, the party
Method is directed to fiber+resin composite materials（As latex bonded fibre cloth or Fiber prepreg etc.）Elongation percentage low but can be with when it is soft
The compressing performance characteristics of mould, the lossless automatic feeding of achievable fiber cloth, it is to avoid destroy reinforcing fiber, be conducive to improving and produce
Product intensity.
Realizing the method that above-mentioned purpose of the present invention adopted is：The pressure head of upper and lower surface takes Heterogeneous Permutation, and pressure head is suppressed
When push ahead pressing relative to the direction of foil or sheet material in array dot matrix pointwise, will be multiple to macromolecular material or fiber+resin
Progressively press curing becomes concavo-convex staggered honeycomb core for the foil of condensation material or sheet material.
It is in regular distribution that the compacting point of pressure head presses " people " word or the row, column of " one " word in top and bottom, is done step-by-step to paper tinsel
The pressing of propulsion up and down of material or sheet material, pressurize and three steps of separation.
The material of described foil or sheet material is latex bonded fibre cloth, Fiber prepreg or thermoplastic macromolecule material.
The array dot matrix of the pressure head of upper and lower surface of the present invention is to be polygonal pressure by multiple rows of and multiple row, section
The lattice plane that head regular permutations and combinations become, upper and lower two lattice plane pressure head Heterogeneous Permutations, can interlaced be engaged, pressure head cross section geometric
Shape can be hexagon, quadrangle, trapezoidal, triangle or circle etc..
Lattice point pressure head of the present invention can be movable ram, and by pressure apparatus and control program, achievable pressure head is in
In-line or herringbone pressing pointwise propulsion, pressurize, three actions of separation.
It is in in-line or herringbone that lattice point pressure head of the present invention also can realize pressure head by the operating of crawler type trapped orbit
Shape pressing pointwise propulsion, pressurize, three actions of separation.
The invention has the beneficial effects as follows：Compressing method is advanced using array dot matrix pointwise, in the compacting of honeycomb core
Horizontal non-resistance feed supplement is can achieve in journey（In-line pointwise advances）Or transverse direction and longitudinal direction non-resistance feed supplement（Herringbone pointwise pushes away
Enter）.Avoid integral die shaping method（Due to raw material, between pressure head occlusion gap, can not extend can only be by the phase of raw material
To fricting movement with mold forming）Because frictional resistance is big, the breakage to raw material occurs and pull, especially fibre reinforced materials
Fiber cloth pull-out hole and break of CFRP phenomenon occurs, so that it is guaranteed that the overall integrity of made honeycomb core and mechanical property is excellent
The opposite sex.
Brief description
Fig. 1 is the present invention board-like herringbone propulsion compacting schematic diagram；
Fig. 2 is belt herringbone propulsion compacting schematic diagram of the present invention；
Fig. 3 is the present invention board-like in-line propulsion compacting schematic diagram；
Fig. 4 is belt in-line propulsion compacting schematic diagram of the present invention.
The each label of in figure is represented sequentially as：Upper lattice plane 1, following lattice plane 2, paper tinsel plate 3, the pressure head 4 of conjunction, do not press
Pressure head 5, herringbone dot matrix propulsion pressure head 6, dot matrix pressing propulsion order 7, feedstock direction 8, in-line dot matrix propulsion pressure head 9.
Specific embodiment
Embodiment 1：Referring to Fig. 1, according to method of the present invention, board-like herringbone propulsion method can be adopted, this method
Feature is upper lattice plane 1 and following lattice plane 2 is motionless, and polygon pressure head is scalable to be completed pressure, pressurize and lift three actions,
Herringbone pressing order is pressed by each lattice point of programme-control, the distance adjustment of adjustment about two dot matrix panels produces needed for honeycomb core
Height, from the whole length of side producing needed for honeycomb core of size adjustable of different dot matrix pressure heads, select the thickness of different paper tinsel plates true
Determine the wall thickness of honeycomb core, such as need to heat and can set up heater.
Embodiment 2：Referring to Fig. 2, according to method of the present invention, belt herringbone propulsion method can be adopted, this method
Feature is upper lattice plane 1 and following lattice plane 2 operates, and polygon pressure head completes pressure, pressurize by mechanical movement and lifts three
Individual action, raw material paper tinsel plate passes through the operating of belt lattice plane and drives by herringbone propulsion, the distance of adjustment about two dot matrix panels
Adjustment produces the height needed for honeycomb core, from the whole length of side producing needed for honeycomb core of size adjustable of different dot matrix pressure heads, choosing
The thickness selecting different paper tinsel plates determines the wall thickness of honeycomb core, such as need to heat and can set up heater.
Embodiment 3：Referring to Fig. 3, according to method of the present invention, board-like in-line propulsion method can be adopted, this method
Feature is upper lattice plane 1 and following lattice plane 2 is motionless, and polygon pressure head is scalable to be completed pressure, pressurize and lift three actions,
In-line pressing order is pressed by each lattice point of programme-control, the distance adjustment of adjustment about two dot matrix panels produces needed for honeycomb core
Height, from the whole length of side producing needed for honeycomb core of size adjustable of different dot matrix pressure heads, select the thickness of different paper tinsel plates true
Determine the wall thickness of honeycomb core, such as need to heat and can set up heater.
Embodiment 4：Referring to Fig. 4, according to method of the present invention, belt in-line propulsion method can be adopted, this method
Feature is upper lattice plane 1 and following lattice plane 2 operates, and polygon pressure head completes pressure, pressurize by mechanical movement and lifts three
Individual action, raw material paper tinsel plate passes through the operating drive of belt lattice plane and presses in-line propulsion, the distance of adjustment about two dot matrix panels
Adjustment produces the height needed for honeycomb core, from the whole length of side producing needed for honeycomb core of size adjustable of different dot matrix pressure heads, choosing
The thickness selecting different paper tinsel plates determines the wall thickness of honeycomb core, such as need to heat and can set up heater.
Claims (4)
1. a kind of preparation method of honeycomb core it is characterised in that：The pressure head of upper and lower surface takes Heterogeneous Permutation, and pressure head suppresses phase
In array dot matrix pointwise, pressing is pushed ahead to the direction of foil or sheet material, by the foil of fiber cloth+resin composite materials or
Progressively press curing becomes concavo-convex staggered honeycomb core to sheet material.
2. honeycomb core according to claim 1 preparation method it is characterised in that：The compacting point of pressure head is pressed in top and bottom
The row, column of " people " word or " one " word is in regular distribution, and up and down propulsion pressing, pressurize and separation to foil or sheet material are done step-by-step
Three steps.
3. honeycomb core according to claim 1 and 2 preparation method it is characterised in that：Described foil or the material of sheet material
Matter is latex bonded fibre cloth or Fiber prepreg.
4. honeycomb core according to claim 1 and 2 preparation method it is characterised in that：Described pressure head cross-sectional geometry
For hexagon, quadrangle, triangle or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007316.3A CN104760391B (en) | 2014-01-08 | 2014-01-08 | Preparation method of honeycomb core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007316.3A CN104760391B (en) | 2014-01-08 | 2014-01-08 | Preparation method of honeycomb core |
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| Publication Number | Publication Date |
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| CN104760391A CN104760391A (en) | 2015-07-08 |
| CN104760391B true CN104760391B (en) | 2017-02-15 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103894510A (en) * | 2014-03-17 | 2014-07-02 | 昆明理工大学科技产业经营管理有限公司 | Honeycomb core punching tensioning forming and manufacturing method |
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| JPS5991016A (en) * | 1982-11-18 | 1984-05-25 | Kao Corp | Processing of synthetic resin |
| CN101049742A (en) * | 2007-04-20 | 2007-10-10 | 昆明理工大学 | New method for preparing honeycomb plate |
| CN101054005B (en) * | 2007-04-20 | 2011-01-19 | 昆明理工大学 | Novel structure cellular board |
| CN101850638A (en) * | 2010-06-04 | 2010-10-06 | 王韬 | Novel foam-filled honeycomb sandwich board |
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Effective date of registration: 20210906 Address after: 650000 room 30-26, block a, Baida international school, middle section of Haiyuan North Road, high tech Zone, Kunming, Yunnan Patentee after: KUNMING TUONENG SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 650093 room 8316, science and technology entrepreneurship building, 296 Xuefu Road, Wuhua District, Kunming City, Yunnan Province Patentee before: Du Yan Patentee before: Yin Guoxiang Patentee before: Sun Yong |