JPS62254936A - Method and apparatus for continuous forming metal honeycomb - Google Patents

Abstract

PURPOSE:To obtain an arbitrary formed metal honeycomb with excellent productivity by connecting end parts of forming of the continuous metal honeycomb formed by lap winding of a plane band sheet on a corrugated sheet and by cutting in arbitrary lengths. CONSTITUTION:A band plane sheet (a metal foil) 18 rewound out from the plane sheet rewinder 11 is formed corrugating roll device 13 to be corrugated to a corrugated sheet 19. By a presser roll device 14, the plane band sheet metal foil) 24 rewound out from the plane sheet rewinder 12 is lapped on the corrugated sheet 19. The lapped corrugated sheet 19 and the plane sheet 24 are roll formed from one end side of the width direction towards the other side stepwise by the wind forming roll device 15 to be the continuous metal honeycomb body 29. The winding formed end parts of the metal honeycomb continuous body 29 which is winding formed is welded continuously or spottily. Then, the continuously traveling metal honeycomb continuous body 29 is cut in a prescribed length to obtain the metal honeycomb of a required length.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a continuous forming method and apparatus for a metal honeycomb made of metal foil or the like.

[Conventional technology] Metal honeycombs made of metal foil etc. have properties such as ■good thermal conductivity, ■can be made thin, and ■resistance to thermal shock and mechanical vibration, so they are used as automotive catalysts and heat exchangers. suitable for use.

As shown in Figure 1W56, the conventional manufacturing method for metal honeycomb includes: 1) cutting the metal foil; and 2) forming the cut metal foil into a corrugated shape in the longitudinal direction using upper and lower corrugation rolls to obtain a corrugated sheet. and ■ a step of overlapping the corrugated sheet and the flat sheet; ■ a step of rolling the overlaid corrugated sheet and the flat sheet in the longitudinal direction; and ■ a step of joining the rolled ends of the rolled corrugated sheet and the flat sheet. It consists of

[Problems to be Solved by the Invention] However, in the above-mentioned conventional metal honeycomb manufacturing method, each manufacturing process is separated and independent, as disclosed, for example, in JP-A No. 58-4373. Therefore, the production efficiency is low, and the length in the axial direction of the obtained metal honeycomb is limited to the range of the length in the width direction of the metal foil that is the raw material. Further, there are disadvantages such as the cross-sectional shape of the obtained metal honeycomb being limited to a circular shape.

An object of the present invention is to make it possible to manufacture metal honeycombs of arbitrary shapes with high productivity.

[Means for Solving the Problems] The continuous forming method of metal honeycomb according to the present invention includes a step of forming a band-shaped flat plate into a corrugated shape in the width direction to obtain a band-shaped corrugated sheet, and a step of forming a band-shaped flat plate into a band-shaped corrugated sheet. A step of gradually rolling the overlapping corrugated sheets and flat sheets from one end to the other end in their width direction to obtain a metal honeycomb continuous body; This method consists of a step of joining the winding end portions of the honeycomb continuous body, and a step of cutting the metal honeycomb continuous body to which the winding end portions are joined to a desired length.

The continuous forming device for metal honeycomb according to the present invention includes a corrugated sheet forming roll device for forming a band-shaped flat plate into a wave shape in the width direction to obtain a band-shaped corrugated sheet, and a presser for superimposing the band-shaped flat plate on the band-shaped corrugated sheet. A multi-stage winding roll device and a multi-stage winding roll device that roll and form a stacked corrugated sheet and a flat sheet in stages from one end to the other end in the width direction to obtain a metal honeycomb continuous body. A joining device for joining the end portions of the rolled metal honeycomb continuous body, and a cutting device for cutting the metal honeycomb continuous body with the joined end portions of the rolled metal honeycomb body into a desired length. be.

[Function] According to the continuous metal honeycomb forming method according to the present invention,
By making each manufacturing method continuous, it becomes possible to manufacture metal honeycombs with high productivity. In addition, the obtained metal honeycomb continuous body is made continuous in the axial direction of the metal honeycomb by continuously supplying the band-shaped flat plate material.

By cutting the metal honeycomb continuous body at any position in the axial direction, it becomes possible to obtain a metal honeycomb of any length.

Furthermore, according to the continuous metal honeycomb forming apparatus according to the present invention, it is possible to continuously form a strip-shaped flat plate material and manufacture metal honeycombs with high productivity. Further, since the resulting metal honeycomb continuous body is continuous in the axial direction of the metal honeycomb, it becomes possible to obtain a metal honeycomb of any length. In addition, the cross-sectional shape of the obtained metal honeycomb can be changed to any desired cross-sectional shape such as circular, elliptical, or square by setting the hole shape of the one-turn forming roll device to circular, elliptical, or square. It can be set to

[Example] Fig. 1 is a layout diagram showing a metal honeycomb forming apparatus according to an embodiment of the present invention, Fig. 2 is a sectional view taken along the line ■-II of Fig. 4 is a sectional view taken along the line IV--IV in FIG. 1, and FIG. 5 is a sectional view taken along the line v--v in FIG. 1.

In FIG. 1, 10 is a metal honeycomb forming device, 11
．． 12 is a flat plate unwinding machine, 13 is a corrugating roll device, 1
4 is a presser roll device, 15 is a winding roll device, 16
1 is a welding machine as a joining device, and 17 is a cutting device.

The process of forming a metal honeycomb using the metal honeycomb forming apparatus w10 is as follows.

■ In the first step, the band-shaped flat plate (metal foil) 18 unwound from the flat plate unwinding machine 11 is
3 into a corrugated shape in one width direction, resulting in a band-shaped corrugated plate 19. As shown in FIG. 2, the corrugation forming roll device 13 consists of an upper covering roll 20 and a lower covering roll 21.

22 and 23 are driving parts.

(2) In the second step, the band-shaped flat plate (metal foil) 24 unwound from the flat-plate unwinding machine 12 is superimposed on the band-shaped corrugated sheet 19 by the presser roll device 14. As shown in FIG. 3, the presser roll device 14 has an upper corrugated roll 25
and a lower straight roll 26. 27 and 28 are driving parts. In addition.

The width of the flat plate 18 as a material of the corrugated plate 19 is wider than the width of the flat plate 24, and the corrugated plate 19 and the flat plate 24 are set to have the same width.

■In the third step, the superimposed corrugated sheet 19 and flat sheet 24 are rolled in stages from one end to the other end in the width direction by the winding roll device 15 to form a continuous metal honeycomb. 29, the zero-roll forming roll device 15 consists of a multi-stage stand, and is shown in FIG. 4 (FIG. 5).
As shown in FIG.
B.

31B), a forming hole shape 34A (34B) is formed by a forming guide 32A (32B) and a straight roll 33A (33B), and the corrugated plate 19 and flat plate 24 are rolled and formed,
The unrolled portions of the corrugated plate 19 and flat plate 24 are rolled into a straight roll 33A (33B) and an upper corrugated roll 35A (35B).
It is possible to maintain between 36A, 37
A (36B, 37B) is a driving section. In addition, in the one-turn forming roll device 15, the forming hole shape 34B on the rear stage side shown in FIG. The inner diameter of the hole was enlarged, and the center position of the hole was changed to corrugated plate 1.
9 and the flat plate 24 from one end side to the other end side in the width direction.

(2) In the fourth step, the welding machine 16 welds the end portion of the continuous metal honeycomb body 29, which has been formed into one turn, continuously or spot-wise. Note that the winding end portions of the metal honeycomb continuous body 29 may be joined by folding.

(2) In the fifth step, the continuously running metal honeycomb continuous body 29 is cut into a predetermined length by the cutting device 17 to obtain a metal honeycomb of a desired length.

In the metal honeycomb forming apparatus 10, a support device 38 for supporting the metal honeycomb continuous body 29 made of metal foil and the like is disposed between each roll device.

Hereinafter, the operation of the above embodiment will be explained.

According to the continuous metal honeycomb forming method using the metal honeycomb forming apparatus 1O described above, by making each manufacturing process continuous, it becomes possible to manufacture metal honeycombs with high productivity. In addition, the obtained metal honeycomb continuum 2
9, by continuously supplying the strip-shaped flat plate material,
In order to make the metal honeycomb continuous in the axial direction, it is possible to obtain a metal honeycomb of any length by cutting the metal honeycomb continuous body 29 at any position in the axial direction.

Moreover, according to the metal honeycomb forming apparatus 1O, it is possible to continuously form a strip-shaped flat plate material and manufacture a metal honeycomb with high productivity. Furthermore, since the resulting metal honeycomb continuous body 29 is continuous in the axial direction of the metal honeycomb, it is possible to obtain a metal honeycomb of any length. Further, the cross-sectional shape of the obtained metal honeycomb can be determined by changing the hole shape of the winding roll device 15 into a circular shape, an elliptical shape,
By setting the cross-sectional shape to a rectangular shape, it is possible to set each cross-sectional shape to an arbitrary cross-sectional shape such as a circular shape, an elliptical shape, a square shape, etc.

[Effects of the Invention] As described above, according to the method and apparatus for continuously forming metal honeycombs according to the present invention, metal honeycombs of arbitrary shapes can be manufactured with high productivity.

[Brief explanation of drawings]

FIG. 1 is a layout diagram showing a metal honeycomb forming apparatus according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line ■-II in FIG. 1, and FIG. 3 is a cross-sectional view taken along line ■-■ in FIG. 1. 4 is a sectional view taken along line IV-IV in FIG. 1, and FIG. 5 is a sectional view taken along line v-V in FIG. 1. FIG. 6 is a process diagram showing a conventional metal honeycomb manufacturing method. DESCRIPTION OF SYMBOLS 10... Metal honeycomb forming device, 13... Corrugation forming roll device, 14... Presser roll device, 15...
Winding and forming roll device, 16... welding machine, 17... cutting device. Agent Patent Attorney Osamu Shiokawa Figure 2 Figure 3

Claims (2)

[Claims] (1) A process of forming a band-shaped flat plate into a corrugated shape in the width direction to obtain a band-shaped corrugated plate, a process of superimposing the band-shaped flat plate on the band-shaped corrugated plate, and a process of forming the overlapped corrugated plate and flat plate into a waveform in the width direction. A step of gradually rolling the metal honeycomb continuum from one end to the other end in the direction, a step of joining the end of the rolled metal honeycomb, and a step of joining the end of the end of the rolled metal honeycomb. A method for continuously forming a metal honeycomb, which comprises the step of cutting a joined metal honeycomb continuous body into a desired length. (2) A corrugated plate forming roll device that forms a band-shaped flat plate into a corrugated shape in the width direction to obtain a band-shaped corrugated plate, a press roll device that overlaps the band-shaped flat plate on the band-shaped corrugated plate, and the superimposed corrugated plate. and a multi-stage winding roll device for obtaining a metal honeycomb continuum by rolling flat plates stepwise from one end to the other in their width direction, and a winding end of the rolled metal honeycomb continuum. 1. A continuous metal honeycomb forming apparatus comprising: a joining device for joining parts; and a cutting device for cutting a continuous metal honeycomb body to a desired length at the end of the rolled-formed end part.