CN215152019U - Fiber metal laminate composite material ultrasonic-assisted rolling equipment - Google Patents
Fiber metal laminate composite material ultrasonic-assisted rolling equipment Download PDFInfo
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- CN215152019U CN215152019U CN202120034927.2U CN202120034927U CN215152019U CN 215152019 U CN215152019 U CN 215152019U CN 202120034927 U CN202120034927 U CN 202120034927U CN 215152019 U CN215152019 U CN 215152019U
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Abstract
The utility model discloses a supplementary roll-in equipment of fibre metal laminate combined material ultrasonic wave belongs to advanced combined material's preparation and shaping field, include: the laying controller is fixedly connected with the heating roller, the first pressure roller, the ultrasonic unit and the cooling roller; a heating roller on the metal sheet/fiber resin layer laid on the work table; a first pressure roller which is positioned on the fiber resin layer/metal sheet to be laid and applies pressure; an ultrasonic unit located behind the first pressure roller in the laying direction; and the cooling roller is positioned behind the ultrasonic unit in the laying direction. The utility model discloses utilize hot-rolling press fit ultrasonic wave vibrations method preparation thermoplastic resin base fibre metal laminate, can show when improving preparation efficiency and promote the interlaminar performance of laminate.
Description
Technical Field
The utility model particularly relates to a supplementary roll-in equipment of fibre metal laminate combined material ultrasonic wave belongs to advanced combined material's preparation and shaping field.
Background
The existing processes for the preparation of thermoplastic FMLs can be divided into two categories, autoclave processes and non-autoclave processes, depending on the equipment used. In the former method, the composite material is heated and pressurized by utilizing a uniform temperature field and air pressure in the tank body, and the fiber reinforced thermoplastic composite material formed by the method has low porosity, uniform resin content and compact internal structure. However, the thermoplastic composite material has high melting point and high viscosity, so that high requirements are put on the temperature and pressure of an autoclave, the air heating efficiency is low, the molding period is long, the high-temperature auxiliary material is expensive, and the production cost is high. The preparation of thermoplastic composite materials by non autoclave process has become a hot point of research in recent years. Among them, the hot pressing method, especially the hot rolling method, is the key development direction, and various methods for manufacturing thermoplastic fiber metal laminate by the hot rolling method are proposed in succession.
How to improve the interlayer strength of the fiber metal laminate is always the core problem of the preparation of the fiber metal laminate.
Chinese patent CN201710500700.0 discloses a powder laminating process for rapidly preparing magnesium-based fiber metal laminates, which comprises the steps of stacking magnesium alloy plates, thermoplastic resin powder and alkali-free glass fiber plain woven cloth in sequence into a hot-pressing mould, compacting the mould, and then putting the compacted mould into an electric heating air circulation box type furnace for heating and curing to prepare FMLs, thereby greatly reducing the preparation cost. However, the process does not specially treat the metal plate by a physical method (anodic oxidation), does not adopt a special method for exhausting gas, only applies pressure to solidify the thermoplastic resin, and has low interlayer bonding performance.
The chinese invention patent CN201710998704.6 discloses a method for improving metal bonding strength by using metal complexes. The design method comprises the steps of firstly, etching and constructing a micro-nano structure on a clean metal plate by an anodic oxidation method; then hydroxylating the surface of the metal plate; preparing a bis-salicylaldehyde Schiff base ligand and a metal complex thereof; the Schiff base metal complex is self-assembled on the surface of the metal plate; the interface strength between the metal and the resin is improved by the actions of mechanical engaging force, chemical bonds, molecular entanglement and the like. The method only improves the interface bonding strength by a physical method (anodic oxidation) and a chemical method (surface modification and preparation of metal complexes thereof) and does not improve the aspect of a molding process to reduce the porosity of the laminate.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a supplementary roll-in equipment of fibre metal laminate combined material ultrasonic wave to thermoplastic resin base fibre metal laminate, adopts the supplementary roll-in equipment of ultrasonic wave of original creation to carry out ultrasonic treatment through ultrasonic vibration to fibre metal laminate. Through ultrasonic vibration, the discharge of air bubbles in the thermoplastic resin can be accelerated, and the porosity of the laminate is obviously reduced; on the other hand, the mechanical engagement between the resin and the surface of the metal plate micro-nano structure is facilitated, and the interface bonding strength is improved. Meanwhile, ultrasonic treatment is carried out while rolling, so that the fiber distribution is more uniform, the rolling pressure is reduced, and the rolling time is shortened. In addition, the ultrasonic consolidation material increase manufacturing method does not need an autoclave process, shortens the preparation time and improves the preparation efficiency.
Through the utility model discloses technical scheme's ultrasonic vibration handles, has solved the not enough problem of metal laminate interlaminar strength, and preparation simple process, preparation cycle is short, and is with low costs, is fit for large-scale production.
According to the utility model discloses, a supplementary roll-in equipment of fibre metal laminate combined material ultrasonic wave is provided, include:
a working platform, on which a laying controller, a first pressure roller, a heating roller, an ultrasonic unit and a cooling roller are arranged,
the laying controller is fixedly connected with the heating roller, the first pressure roller, the ultrasonic unit and the cooling roller;
a heating roller between the metal sheet/fiber resin layer laid on the work table and the fiber resin layer/metal sheet to be laid;
a first pressure roller which is positioned above the fiber resin layer/metal sheet to be laid and applies pressure;
an ultrasonic unit located after the first pressure roller in the laying direction;
a cooling roller located after the ultrasonic unit in the laying direction.
Further, the laying controller can move along the laying direction and adjust the laying angle and the laying speed.
Further, the laying controller comprises a laying chuck and a mechanical control arm connected with the laying chuck.
Furthermore, a heating device and a laying positioning device are arranged in the mechanical control arm.
Furthermore, the ultrasonic unit consists of an ultrasonic controller, an ultrasonic generator and a second pressure roller, wherein the ultrasonic controller and the ultrasonic generator are positioned inside the second pressure roller, and the ultrasonic generator is controlled by the ultrasonic controller to have the vibration frequency of the second pressure roller.
Further, the ultrasonic generator is connected with a tool head and a mechanical pressure arm.
Further, the ultrasonic unit is movable with the placement controller.
Furthermore, a cooling water channel is arranged inside the cooling roller.
Further, a heating roller controller is arranged inside the heating roller and used for controlling the heating temperature of the heating roller to heat.
Furthermore, the heating roller controller consists of a heating switch and a mechanical pressure arm.
The utility model has the advantages that:
aiming at the defects in the prior art, the utility model provides an original ultrasonic-assisted rolling device, which can accelerate the discharge of air bubbles in thermoplastic resin and obviously reduce the porosity of a fiber metal laminate by carrying out ultrasonic treatment on the fiber metal laminate through ultrasonic vibration; on the other hand, the mechanical engagement between the resin and the surface of the metal plate micro-nano structure is facilitated, and the interface bonding strength is improved. In addition, the ultrasonic-assisted rolling equipment is simple in structure and convenient to operate, so that the ultrasonic consolidation additive manufacturing method does not need an autoclave process, the preparation time is shortened, and the preparation efficiency is improved.
Based on the utility model discloses technical scheme has realized the vibration material disk manufacturing method to hot compression roller cooperation ultrasonic consolidation, has solved the not enough problem of fibre metal plywood interlaminar intensity, and preparation simple process, and preparation cycle is short, and is with low costs, is fit for large-scale production.
Drawings
Fig. 1a to 1b show a schematic view of an ultrasonic assisted rolling device for thermoplastic fiber metal plies according to an embodiment of the invention;
fig. 2a to 2b show a fiber metal laminate structure according to an embodiment of the invention;
fig. 3a to 3b show a fiber metal laminate structure according to another embodiment of the present invention.
The method comprises the following steps of 1-laying controller, 2-fiber prepreg/metal sheet to be laid, 3-heating roller, 4-heating roller controller, 5-laid metal sheet/fiber prepreg, 6-working platform, 7-first pressure roller, 8-ultrasonic unit, 9-cooling roller and 10-cooling water channel.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terms "first," "second," and the like in the description and in the claims of the present disclosure are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
A plurality, including two or more.
And/or, it should be understood that, for the term "and/or" as used in this disclosure, it is merely one type of association that describes an associated object, meaning that three types of relationships may exist. For example, a and/or B, may represent: a exists alone, A and B exist simultaneously, and B exists alone.
In fig. 1a to 1b, an ultrasonic-assisted molding apparatus for thermoplastic fiber metal laminate is shown, comprising: a laying controller 1, a metal sheet or fiber prepreg 2, a heating roller 3, a heating roller controller 4, a fiber metal laminate 5, a work platform 6, a first pressure roller 7, an ultrasonic unit 8, a cooling roller 9, and a cooling water passage 10. Wherein the fiber metal laminate is directly laid on the working platform 6 and fixed by the clamp; the laying controller 1 is positioned above the working platform 6, and can adjust the laying angle and the laying speed; the heating roller 3 is positioned above the laid prepreg and can move along with the laying controller 1, and the heating temperature is controlled by the heating controller 4 to heat the prepreg; the first pressure roller 7 is positioned above the metal sheet or the fiber prepreg 2 and can move along with the laying controller 1 to give pressure to the fiber metal laminate so as to enable the fiber metal laminate to be more tightly combined; the ultrasonic wave unit 8 is positioned behind the first pressure roller (in the laying direction), consists of an ultrasonic controller, an ultrasonic generator and a second pressure roller, the ultrasonic generator is connected with a tool head (roller) and a mechanical pressure arm, the ultrasonic controller and the ultrasonic generator are positioned in the second pressure roller, and the ultrasonic generator is controlled by the ultrasonic controller to adjust the vibration frequency of the second pressure roller and can move along with the laying controller 1; the cooling roller 9 is located behind the ultrasonic unit 8 (in the laying direction), and cools the fiber metal laminate through cooling water by the cooling water channel 10, and applies a certain pressure to the fiber metal laminate, and the fiber metal laminate can move along with the laying controller 1.
The laying controller 1 comprises a laying chuck and a mechanical control arm connected with the laying chuck, a heating device and a laying positioning device are arranged in the mechanical control arm, and the laying angle and speed of the mechanical control arm are controlled by a program.
The heating roller controller 4 is composed of a heating switch and a mechanical pressure arm connected with the heating switch, and can control the heating temperature and the rolling pressure thereof through a program.
Based on the utility model discloses technical scheme's thermoplastic fiber metal laminate preparation technology specifically includes following step:
1) surface treatment of the metal sheet: sequentially carrying out degreasing treatment, acid washing, anodic oxidation treatment and primer spraying on the metal sheet.
2) Laying in sequence: and (3) alternately laying the metal thin plates and the fiber resin composite materials in sequence according to design requirements.
a) Heating: during the laying process, the resin in the prepreg is preheated to T1 temperature and completely melted by auxiliary heating of a heating roller and a hot air gun.
b) Ultrasonic consolidation: and starting the ultrasonic generation controller in the laying process to vibrate the ultrasonic assembly so as to ultrasonically process the fiber metal laminate in the mold, increase the fluidity of the resin and further densely fill the resin and discharge the internal gas.
c) Pressurizing: and pressurizing to P by using a pressure roller in the laying process so as to tightly fill the metal sheet and the fiber prepreg. At the same time, the pressure roller is kept at pressure P.
3) And (3) after the laying in the step 2 is finished, cooling the air, and taking out the fiber metal laminate.
Fig. 2a to 2b show a fiber metal laminate implemented based on the technical solution of the present invention, the metal plate is an aluminum alloy (2024) thin plate, the thermoplastic composite material is a glass fiber reinforced polyphenylene sulfide (GF/PPS) prepreg, and the fiber manner is weaving. An 2/1 or 3/2 layering structure is adopted, namely a layer of GF/PPS prepreg is added between two layers of aluminum alloy sheets or three layers of aluminum alloy sheets and two layers of prepreg are alternately layered.
Fig. 3a to 3b show another fiber metal laminate realized based on the technical solution of the present invention, and example 2 is different from example 1 in that the adopted glass fiber reinforced polyphenylene sulfide resin layer is a laminate of alternately arranged glass fibers and polyphenylene sulfide thin films. When the laminated plate is prepared, the aluminum alloy thin plate, the glass fiber and the thermoplastic resin (polyphenylene sulfide) film are alternately laminated and laid.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (10)
1. An ultrasonic-assisted rolling device for fiber metal laminate composite materials is characterized by comprising:
a working platform, on which a laying controller, a heating roller, a first pressure roller, an ultrasonic unit and a cooling roller are arranged,
the laying controller is fixedly connected with the heating roller, the first pressure roller, the ultrasonic unit and the cooling roller;
a heating roller between the metal sheet/fiber resin layer laid on the work table and the fiber resin layer/metal sheet to be laid;
a first pressure roller which is positioned above the fiber resin layer/metal sheet to be laid and applies pressure;
an ultrasonic unit located after the first pressure roller in a horizontal lay direction;
a cooling roller located after the ultrasonic unit in a horizontal lay direction.
2. The fiber metal laminate composite ultrasonic assisted rolling apparatus of claim 1, wherein the lay-down controller is movable in a lay-down direction and adjusts a lay-down angle and a lay-down speed.
3. The fiber metal laminate composite ultrasonic assisted rolling apparatus of claim 2, wherein the placement controller comprises a placement chuck and a robotic arm coupled to the placement chuck.
4. The ultrasonic-assisted rolling device for fiber-metal laminate composite materials according to claim 3, wherein a heating device and a laying positioning device are arranged in the mechanical control arm.
5. The ultrasonic assisted rolling apparatus for fiber-metal laminate composite according to claim 1, wherein the ultrasonic unit is composed of an ultrasonic controller and ultrasonic generator, a second pressure roller, the ultrasonic controller and ultrasonic generator are located inside the second pressure roller, and the ultrasonic generator is controlled by the ultrasonic controller to adjust the vibration frequency of the second pressure roller.
6. The fiber metal laminate composite ultrasonic assisted rolling apparatus of claim 5, wherein the ultrasonic unit is movable with a placement controller.
7. The ultrasonic assisted rolling apparatus for fiber-metal laminate composite according to claim 5, wherein a tool head and a mechanical pressure arm are connected to the ultrasonic generator.
8. The ultrasonic assisted rolling device of fiber metal laminate composite according to claim 1, wherein cooling water channels are provided inside the cooling roll.
9. The ultrasonic assisted rolling apparatus for fiber-metal laminate composite according to claim 1, wherein a heating roller controller is provided inside the heating roller for controlling a heating temperature of the heating roller to perform heating.
10. The ultrasonic assisted rolling apparatus of fiber-metal laminate composite of claim 9, wherein the heating roller controller is comprised of a heating switch and a mechanical pressure arm connected to the heating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120034927.2U CN215152019U (en) | 2021-01-07 | 2021-01-07 | Fiber metal laminate composite material ultrasonic-assisted rolling equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120034927.2U CN215152019U (en) | 2021-01-07 | 2021-01-07 | Fiber metal laminate composite material ultrasonic-assisted rolling equipment |
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| CN215152019U true CN215152019U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447173A (en) * | 2022-08-23 | 2022-12-09 | 湖南大学 | Preparation method of ultrasonic-assisted fiber metal laminate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447173A (en) * | 2022-08-23 | 2022-12-09 | 湖南大学 | Preparation method of ultrasonic-assisted fiber metal laminate |
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