CN218737979U - All-aluminum composite board for furniture - Google Patents
All-aluminum composite board for furniture Download PDFInfo
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- CN218737979U CN218737979U CN202123418755.8U CN202123418755U CN218737979U CN 218737979 U CN218737979 U CN 218737979U CN 202123418755 U CN202123418755 U CN 202123418755U CN 218737979 U CN218737979 U CN 218737979U
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Abstract
The utility model relates to a composite metal plate technical field, concretely relates to full aluminium composite board for furniture. Including foamed aluminum plate, its characterized in that: and aluminum plates are welded on two sides of the foamed aluminum plate in a laser mode. Compared with the prior art, the utility model discloses full aluminium composite board welds through laser, and aluminum plate warp for a short time, makes the workpiece surface who processes out level and smooth.
Description
Technical Field
The utility model relates to a composite metal plate technical field, concretely relates to full aluminium composite board for furniture.
Background
The full aluminum composite plate generally comprises a foamed aluminum plate in the middle layer and aluminum plates on the sides of the plate, in the prior art, the foamed aluminum plate and the aluminum plates can be fixed through adhesive films, for example, the publication No. CN109747237B discloses a production process of the foamed aluminum composite plate, the foamed aluminum plate and the plate are adhered together through adhesive films and can also be fixed through brazing, for example, the publication No. CN110481116A discloses a foamed aluminum composite plate and a manufacturing method thereof, the foamed aluminum composite plate is integrally formed in a vacuum chamber at high temperature through brazing, and can also be formed through 3D printing, for example, the application No. 201611115086.8 discloses a method for melting and forming the foamed aluminum composite plate, and the foamed aluminum core and the aluminum plates on the periphery are printed through a 3D printing method.
The above methods are difficult to produce large quantities of aluminum profiles continuously and rapidly.
To sum up, no attempt has been made in the past to fix aluminum plate and foamed aluminum plate by welding, especially by laser welding, because other welding methods damage very greatly, easily because of the aluminum plate deformation on high temperature messenger surface, because laser has the optics nature of refraction focus, laser welding forms the light spot after passing through the laser beam focus, and the shape of light spot can be adjusted, make the energy concentrate, only melt a small part when making welding aluminum plate, the heat that the melting was conducted makes the aluminum plate soften also less, and most aluminum plate does not melt nor soften, can keep original smooth shape unchangeable, so laser welding deformation is little, can make the workpiece surface who processes level.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem, the utility model provides an all-aluminum composite board for furniture.
The purpose of the utility model is realized with the following mode: an all-aluminum composite board for furniture comprises a foamed aluminum board, wherein aluminum boards are welded on two sides of the foamed aluminum board in a laser mode.
The thickness of the foamed aluminum plate is 5-50 mm, and the thickness of the aluminum plate is 0.4-2 mm.
The distance of the welding seam is 0-20 mm, and the welding seam is welded along the width direction of the aluminum plate.
The diameters of the welding lines and the light spots at the laser focus are consistent, and the distance between the welding lines is consistent with the average diameter of the foam holes in the foam aluminum plate.
The fusion thickness of the welding seam on one side of the aluminum plate is 0.05-0.3 mm, and the sum of the softening thickness and the fusion thickness is less than 2/3 of the thickness of the aluminum plate, so that the other side of the aluminum plate is flat and has no softening mark.
The foamed aluminum plate is pure aluminum or aluminum alloy, and the aluminum plate is pure aluminum or aluminum alloy.
Compared with the prior art, the utility model discloses full aluminium composite board welds through laser, and aluminum plate warp for a short time, makes the workpiece surface who processes out level and smooth.
Drawings
Fig. 1 is a schematic structural view of an all-aluminum composite plate of the present invention;
FIG. 2 is a schematic structural diagram of an initial preparation of an all aluminum composite panel;
FIG. 3 is a schematic structural diagram of an all-aluminum composite panel manufacturing process;
fig. 4 is an enlarged view of a (welded) portion a of fig. 3;
FIG. 5 is a L-shaped bevel connection structure of an all-aluminum composite panel;
FIG. 6 is a L-shaped connecting structure of an all-aluminum composite plate;
FIG. 7 is a L-shaped connection structure of a full aluminum composite plate fillet;
FIG. 8 is a first T-shaped connection configuration for an all aluminum composite panel;
FIG. 9 is a second T-shaped connection structure of an all-aluminum composite panel;
FIG. 10 is a third T-shaped connection structure of an all-aluminum composite panel;
figure 11 is a schematic view of a double-headed barb disposed between aluminum foam panels.
Wherein, 1, the all-aluminum composite board; 11. a foamed aluminum plate; 12. an aluminum plate; 121. the thickness of the melt; 122. softening the thickness; 13. welding seams; 2. an aluminum strip coil; 3. a drive roll; 4. a driven roller; 5. a laser welding gun; 51. welding light spots; 61. an all-aluminum composite board A; 62. a full aluminum composite board B; 63. a full aluminum composite board C; 7. connecting the welding seams; 8. double-headed barbs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
Example 1:
as shown in the attached figures 1-4, the all-aluminum composite board for furniture comprises a foamed aluminum board 11, and aluminum boards 12 are welded on two sides of the foamed aluminum board 11 by laser.
A preparation method of an all-aluminum composite board for furniture comprises the following steps:
(1) Preparing a foamed aluminum plate 11 with the thickness of 5-50 mm;
(2) Flushing the outer surface of the foamed aluminium plate 11 with a high pressure air stream;
(3) Clamping and fixing the cleaned foamed aluminum plate 11 by using a driven roller 4;
(4) Preparing two rolls of aluminum strip rolls 2 with the thickness of 0.4-2 mm;
(5) Feeding the foamed aluminum plate 11 forwards until the foamed aluminum plate is between the driving rollers 3, placing the ends of the two rolls of aluminum strips 2 on two sides of the end of the foamed aluminum plate 11, and clamping the ends of the two rolls of aluminum strips between the driving rollers 3;
(6) Arranging a laser welding gun 5 which moves up and down in front of the aluminum strip and the foamed aluminum plate 11, adjusting the focus of the laser welding gun 5 to enable the focus of the laser welding gun 5 to be located on an edge line where the aluminum strip and the foamed aluminum plate 11 are in compression joint, opening the laser welding gun 5 to enable the focus of the laser welding gun 5 to weld from one side to the other side of the aluminum strip in the width direction along the edge line, after the welding is finished, rotating a driving roller to enable the aluminum strip and the foamed aluminum plate 11 which are welded together to move by the distance of a welding line, welding the next welding line, and forming an aluminum plate 12 by welding the aluminum strip which is tightly pressed with the driving roller 3;
(7) And after welding, the welded all-aluminum composite board 1 is clamped by a driven roller 4 at the rear part of the driving roller 3.
Example 2: this example is further defined in example 1 by the foamed aluminum sheet 11 having a thickness of 5 to 50 mm and the aluminum sheet 12 having a thickness of 0.4 to 2 mm.
Example 3: in this embodiment, a weld is formed by laser welding, a distance between two welds 13 is 0-20 mm, the weld is welded along the width direction of the aluminum plate, and when the distance between two welds 13 is 0, the distance is the distance that the driving roll 3 feeds a light spot (i.e., one weld 13) after one weld 13 is completed, so that the welds 13 are tightly attached to realize complete welding.
Example 4: this embodiment is a further limitation of embodiment 3, and the diameter of the welding seam 13 is consistent with the diameter of the light spot at the focal point of the laser, and the distance between the welding seams 13 is consistent with the average diameter of the foam holes in the foamed aluminum plate 11, so that although complete welding is not achieved, the welding speed is faster, and the welding spot at the welding position is more uniform.
Example 5: this example is a further limitation of example 4 in that the weld seam 13 has a melt thickness 121 of 0.05 to 0.3mm on one side of the aluminum sheet 12, and the sum of the softened thickness 122 and the melt thickness 121 is less than 2/3 of the thickness of the aluminum sheet 12, so that the other side (i.e., the side facing outward) of the aluminum sheet 12 is flat and free of traces of softening, preferably the sum of the softened thickness 122 and the melt thickness 121 is between 1/3 and 2/3 of the thickness of the aluminum sheet 12.
Example 6: this example is further limited to example 1, wherein the foamed aluminum sheet 11 is pure aluminum or an aluminum alloy, and the aluminum sheet 12 is pure aluminum or an aluminum alloy.
Example 7: this embodiment is a further limitation of embodiment 1, wherein the diameter of the cross section of the welding spot 51 at the focal point of the laser welding gun 5 in step (6) is 0.2-0.5 mm.
Example 8: this example is further limited to example 7, in which 1/3 + -1/5 of the welding spot 51 is used for melting the aluminum strip, and 2/3 + -1/5 of the welding spot 51 is used for melting the foamed aluminum plate 11, since the aluminum strip is thinner and the foamed aluminum plate 11 is thicker and is easily deformed, this arrangement can both reduce the deformation thickness of the aluminum strip and increase the welding speed.
Example 9: in this embodiment, the moving speed of the laser welding torch 5 in the lateral direction is 10 to 600mm/s as a further limitation of embodiment 1.
Example 10: this embodiment is further defined as example 1, wherein the driving roll 3 has a pressing force on the aluminum strip and the foamed aluminum plate 11, the pressing force reduces the thickness of the foamed aluminum plate 11 by 0.1-0.3mm on each side, and since the surface of the foamed aluminum plate 11 is melted during welding, the thickness of the foamed aluminum plate 11 is reduced on each side by pressing, so that the aluminum strip and the foamed aluminum plate 11 are pressed more tightly, and the aluminum strip is pressed and fixed to the aluminum plate 12.
Because laser has the optical property of refraction focus, laser welding forms the facula after passing through the laser beam focus, and the shape of facula can be adjusted, make the energy concentrate, only melt a small part when making welding aluminum plate, the heat that the melting conduction was derived makes aluminum plate soft partly also less, and most aluminum plate does not melt nor soften, can keep original smooth shape unchangeable, so laser welding warp little, can make the work piece surface of processing out level and smooth, through this kind of mode, compare in prior art, can greatly improve the productivity, make full aluminium composite board production high-speed.
Example 11: the utility model provides a furniture is with connection structure of full aluminium composite board, includes full aluminium composite board 1, and the both sides of full aluminium composite board 1 are aluminum plate 12, and the centre is foamed aluminum plate 11, through laser welding between aluminum plate 12 and the foamed aluminum plate 11, and its connection structure is the welding between aluminum plate 12 and the aluminum plate 12, and the welding back is polished smoothly, the welding be the welding of forming the angle between two full aluminium composite board 1, weld through two at least connecting weld 7 between two full aluminium composite board 1.
Example 12: this example is a further limitation of example 11 in that the angled weld is an L-shaped connection.
Example 13: in this embodiment, as a further limitation to embodiment 12, the L-shaped connection may be a bevel connection of the all-aluminum composite plate a61 and the all-aluminum composite plate B62 as shown in fig. 5, and the connecting weld 7 is located at a joint of the aluminum plates 12 of the all-aluminum composite plate a61 and the all-aluminum composite plate B62, and is formed by welding the inner aluminum plates 12 of the two all-aluminum composite plates 1 and welding the outer aluminum plates 12.
Example 14: in this embodiment, the embodiment 12 is further limited, and the L-shaped connection may also be that, as shown in fig. 6, a piece of the all-aluminum composite board material a61 is cut out to form a part matching with the all-aluminum composite board material B62, the inner aluminum plate 12 of the all-aluminum composite board material B62 extends to the outer side plate of the all-aluminum composite board material a61, the two inner aluminum plates are welded, and the two outer aluminum plates are welded.
Example 15: in this embodiment, the embodiment 12 is further limited, and the L-shaped connection may be formed by extending the inner aluminum plate of the all-aluminum composite plate B62 to the outer plate of the all-aluminum composite plate a61 and welding the inner aluminum plate 12 of the all-aluminum composite plate B62 to the aluminum plates on both sides of the all-aluminum composite plate a61, as shown in fig. 7.
Example 16: this example is a further limitation of example 11 in that the angled weld is a T-connection.
Example 17: this example is a further limitation of example 16, the T-joint is as shown in fig. 8 or fig. 10, two aluminum plates 12 of the end of the all-aluminum composite panel a61 are welded to the aluminum plate 12 of one side of the all-aluminum composite panel B62, and fig. 8 is different from fig. 10 in that the all-aluminum composite panel a61 and the foamed aluminum plate 11 of the all-aluminum composite panel B62 in fig. 8 are in contact.
Example 18: this embodiment is further limited to embodiment 16, and the T-shaped connection may be made by passing the two aluminum plates 12 of the end of the all-aluminum composite plate a61 through the aluminum plate 12 and the foamed aluminum plate 11 on the side of the all-aluminum composite plate B62 as shown in fig. 9, and welding the two aluminum plates 12 to the aluminum plate 12 passed through.
Example 19: in this example, the all aluminum composite panel C63 was welded to the side of the panel angled connection to form a three-dimensional connection, and the logic of welding was based on the above-described L-type connection and T-type connection, and after a part of the all aluminum composite panel C63 was cut out, the welded all aluminum composite panel a61 and all aluminum composite panel B62 were fitted to the all aluminum composite panel C63 to form a three-dimensional structure, and the connection weld 7 was exposed to the outside.
Example 20: as shown in fig. 11, in the connecting piece, at least one double-head barb 8 is arranged at the contact position of the foamed aluminum plates 11 of the two all-aluminum composite plates 1, so that the connection strength is enhanced.
The right angle is formed between the full aluminum composite board A61 and the full aluminum composite board B62 in foretell L shape is connected and T type is connected for the convenience of illustration, and not to the restriction with the angle, as long as based on connect logic, all should belong to the utility model discloses scope of protection.
All the panel furniture can be connected by a plurality of all-aluminum composite panels 1 based on the connection logic.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (6)
1. The utility model provides an all-aluminum composite board for furniture, includes foamed aluminum plate, its characterized in that: and aluminum plates are welded on two sides of the foamed aluminum plate in a laser mode.
2. The all-aluminum composite board for furniture according to claim 1, characterized in that: the thickness of the foamed aluminum plate is 5-50 mm, and the thickness of the aluminum plate is 0.4-2 mm.
3. The all-aluminum composite board for furniture according to claim 1, characterized in that: and forming a welding seam by laser welding, wherein the distance of the welding seam is 0-20 mm, and the welding seam is welded along the width direction of the aluminum plate.
4. The all-aluminum composite board for furniture according to claim 3, characterized in that: the diameters of the welding lines and the light spots at the laser focus are consistent, and the distance between the welding lines is consistent with the average diameter of the foam holes in the foam aluminum plate.
5. The all-aluminum composite board for furniture according to claim 4, characterized in that: the fusion thickness of the welding seam on one side of the aluminum plate is 0.05-0.3 mm, and the sum of the softening thickness and the fusion thickness is less than 2/3 of the thickness of the aluminum plate, so that the other side of the aluminum plate is flat and has no softening mark.
6. The all-aluminum composite panel for furniture according to any one of claims 1 or 2, characterized in that: the foam aluminum plate is pure aluminum or aluminum alloy, and the aluminum plate is pure aluminum or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123418755.8U CN218737979U (en) | 2021-12-31 | 2021-12-31 | All-aluminum composite board for furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123418755.8U CN218737979U (en) | 2021-12-31 | 2021-12-31 | All-aluminum composite board for furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218737979U true CN218737979U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123418755.8U Active CN218737979U (en) | 2021-12-31 | 2021-12-31 | All-aluminum composite board for furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218737979U (en) |
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2021
- 2021-12-31 CN CN202123418755.8U patent/CN218737979U/en active Active
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