Spliced type large-specification foam aluminum plate and machining method thereof

A foamed aluminum board, large-scale technology, applied in the field of foamed aluminum board, can solve the problems of high cost, inconvenient on-site installation, complicated process, etc., and achieve the effect of low cost, simple installation and high overall strength

Inactive Publication Date: 2018-03-30
孟婷婷
9 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0004] The above process is relatively complicated, not conven...
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Method used

As shown in Fig. 1, Fig. 2, a kind of assembly type large-scale foamed aluminum plate, this large-scale foamed aluminum plate is spliced ​​by the foamed aluminum plate 10 of a plurality of prescribed sizes by connector (steel pin) 12, in place A hole 11 is drilled in the axial direction on the side surface of the foamed aluminum plate 10. When two foamed aluminum plates 10 are connected, a connector 12 is inserted into the hole 11 corresponding to the foamed aluminum plate 10, so that the two plates are connected. Together, they play a reinforcing role, so that the overall strength of the foamed aluminum sheet 10 is enhanced. The joints between the two aluminum foam plates 10 are filled with adhesive to provide overall strength and sealing performance. Ceramic balls are arranged inside the foamed aluminum plate 10 , and the ceramic balls are sealed inside the foamed aluminum plate 10 , and the ceramic balls are not in contact with each other. The ceramic balls are added during the foaming process of the foamed aluminum sheet 10, foamed together with the foamed aluminum, and wrapped by the foamed aluminum; the ceramic balls are added to the foamed aluminum as a filling material to reduce the weight of the sheet and greatly reduce the cost. The ab...
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Abstract

The invention discloses a spliced type large-specification foam aluminum plate. The large-specification foam aluminum plate is formed by splicing a plurality of foam aluminum panels with the regulatedsize through connecting pieces. The side faces of the foam aluminum panels are drilled in the axial direction, and when the two foam aluminum panels are connected, the connecting pieces are insertedin the holes corresponding to the foam aluminum panels, accordingly, the two panels are connected together, the strengthening function is achieved, and the integral strength of the foam aluminum panels is enhanced.

Technology Topic

Materials scienceMachining +1

Image

  • Spliced type large-specification foam aluminum plate and machining method thereof
  • Spliced type large-specification foam aluminum plate and machining method thereof

Examples

  • Experimental program(2)

Example Embodiment

[0027] Example 1
[0028] like figure 1 , figure 2 As shown, an assembled large-sized aluminum foam board is formed by splicing a plurality of foamed aluminum boards 10 of specified size through connectors (steel pins) 12. On the side of the foamed aluminum board 10, the A hole 11 is drilled in the axial direction. When two foam aluminum sheets 10 are connected, the connecting piece 12 is inserted into the corresponding hole 11 of the foam aluminum sheet 10, thereby connecting the two sheets together to play a reinforcing role, so that the foam The overall strength of the aluminum plate 10 is enhanced. The joints between the two aluminum foam plates 10 are filled with adhesive to provide overall strength and sealing performance.

Example Embodiment

[0029] Example 2
[0030] like figure 1 , figure 2 As shown, an assembled large-sized aluminum foam board is formed by splicing a plurality of foamed aluminum boards 10 of specified size through connectors (steel pins) 12. On the side of the foamed aluminum board 10, the A hole 11 is drilled in the axial direction. When two foam aluminum sheets 10 are connected, the connecting piece 12 is inserted into the corresponding hole 11 of the foam aluminum sheet 10, thereby connecting the two sheets together to play a reinforcing role, so that the foam The overall strength of the aluminum plate 10 is enhanced. The joints between the two aluminum foam plates 10 are filled with adhesive to provide overall strength and sealing performance. Ceramic balls are arranged inside the foamed aluminum plate 10 , and the ceramic balls are sealed inside the foamed aluminum plate 10 , and the ceramic balls are not in contact with each other. The ceramic balls are added during the foaming process of the foamed aluminum sheet 10, foamed together with the foamed aluminum, and wrapped by the foamed aluminum; the ceramic balls are added to the foamed aluminum as a filling material to reduce the weight of the sheet and greatly reduce the cost. The above-mentioned ceramic balls are lightweight foamed ceramic balls with a particle size of 0.1-3 cm. The ceramic balls are low in cost and light in weight. The plates made of them have good energy absorption effect and high overall strength. The thickness of the above-mentioned aluminum foam board is about 4cm, which can be directly used as a wall board, while the thickness of the traditional non-load-bearing wall is about 24cm. Using the above-mentioned board can increase the usable area of ​​the room.
[0031] The processing method of the above-mentioned aluminum foam sheet is as follows:
[0032] (1) After adding the molten aluminum into the foaming agent, it is introduced into the foaming mold;
[0033] (2) Cool the ceramic ball to normal temperature (for a long time), and then heat it rapidly to increase the surface temperature of the ceramic ball, which is preferably close to the temperature of the molten metal; the ceramic ball is heated rapidly, because the ceramic ball has a cavity inside, so that The surface temperature is high and the internal temperature is low, which realizes rapid cooling of the metal foam body (internal cooling technology) and prevents the uneven problem of more foaming on the top and less foaming on the bottom caused by the upward movement of bubbles;
[0034] (3) Use a bottomless metal mesh basket (for easy exhaust), turn it upside down and fill it with ceramic balls, seal the bottom with a plastic rope net, turn it upside down again, press the basket into the foaming mold, and use the conventional method. Soak, just take out the basket when it is semi-solidified; or directly sprinkle the ceramic balls into the molten aluminum, and stir with a stirring device to suspend the ceramic balls in the molten aluminum;
[0035] After the plastic rope net contacts with the molten metal, it melts and disappears at high temperature, and the ceramic balls are pressed into the molten metal. The ceramic balls are in contact with each other and arranged evenly, maximizing the amount of ceramic balls, reducing the amount of foamed aluminum, and reducing costs;
[0036] (4) After cooling, take out the metal plate that has been foamed in the mold to obtain a foamed metal plate.
[0037] The above-mentioned metal mesh basket is pressed into the molten metal by external pressure.
[0038] The volume ratio of the molten metal to the ceramic ball is 35:65, which can achieve the best performance and economical performance.
[0039] The heating method of the above-mentioned ceramic balls is direct heating by fire method or feeding into electric heating equipment for heating.
[0040] The foamed aluminum material produced by the process of the present invention is processed into a 10mm thick plate. After testing, the energy absorption density: 20-26J/cm 3;Strength: ≥10Mpa; Noise reduction coefficient NRC 0.8 or more (noise reduction coefficient of foamed aluminum sheet 0.6).

PUM

PropertyMeasurementUnit
Particle size0.1 ~ 3.0cm
Thickness4.0cm
Strength>= 10.0mPa

Description & Claims & Application Information

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