JPS5985740A - Manufacture of honeycomb core - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION <Field of Application in Industry-12> The present invention relates to a method for manufacturing a honeycomb core, and is particularly suitable and effective for manufacturing a honeycomb laminate having a sand inch structure.

〈Background technology and its problems〉 As a type of laminate, skin foil is a honeycomb core in which a large number of roughly hexagonal honeycomb cells are arranged in series! A honeycomb laminate is known which is formed by sandwiching the honeycomb with a holder.

In order to manufacture the above honeycomb laminate, as shown in FIG.
As shown, - side IAK of sheet bodies i, i, i...
Apply adhesive at predetermined intervals 1, and paste the above sheet body 1.1.1.
. . . are laminated at the predetermined interval 1 of 172 minutes (1A) and adhered to each other using a hot press. Next, the laminated and pasted sheet bodies 1, 1゜1... are cut to the required width according to the purpose, and then expanded to form a honeycomb core 3 in which hexagonal honeycomb cells 2... are arranged side by side. Then, skin foils 4, 4, etc. are adhered to both end surfaces 3A, 3B of the honeycomb core 3 to form a honeycomb laminate 5.

By the way, as mentioned above, in the conventional manufacturing method of the honeycomb laminate 5, a large number of sheet bodies 1, 1, 1... are pasted together and then cut to the required width.
There was a drawback that the end surfaces 3A and 3BC (cut surfaces) of the wafer were untidy. In addition, since the necessary flatness does not appear on the end faces 3A and 3B, the adhesive condition of the skin foils 4, 4, etc. deteriorates, and the rigidity of the honeycomb laminate 5 cannot be expected to be sufficient.
, it had the disadvantage of causing Q.

<Objective of Invention 1> The present invention has been made in view of the above-mentioned circumstances,
It is an object of the present invention to eliminate the above-mentioned drawbacks of the conventional example by proposing a method for manufacturing a honeycomb core that improves the flatness of both end faces of the honeycomb core.

<Summary of the Invention> In order to achieve the above-mentioned object, the present invention applies adhesive 7 fl to a strip cut to a certain width at regular intervals of θ1 in the longitudinal direction,
” - The gist is that each band-shaped body coated with a distributed adhesive was laminated and pasted in the longitudinal direction at a predetermined distance corresponding to 1/2 K of the above-mentioned predetermined spacing, and then spread out. do.

EXAMPLE Hereinafter, a method for manufacturing a honeycomb core 1o according to the present invention (C) will be explained using FIG. 2.

First, a strip 11°11.1 cut to the required width in advance
1... for a specified period of time lt1'\! Apply adhesive J1 and 12 at L. ” 2. Adhesive coating portion 13.13 for applying the adhesive layer 12 (7) Width rrb 111 Corresponds to the length m of one side of the honeycomb cell Ioi, and the above-mentioned predetermined interval 1
1/4 of That is, the adhesive-applied portions 13, 13, etc. of the strips 11, and the other margin portions 14 are formed at a ratio of 1:3.

Next, the above adhesion 1! The strips ii, ii, . Here, the above-mentioned predetermined portion 11 (1/2 of the predetermined finish interval) is used.As a result, the adhesive application mechanisms 13, 13 for each of the strips ti and ii in FIG.
They are pasted so as to be shifted from each other by 1/2 of the predetermined interval 1 (predetermined distance n).

Thereafter, the laminated and bonded strips ii' are expanded to form a nicomb core 10 having the same number of hexagonal honeycomb cells 101.

Finally, both end surfaces 10A of the honeycomb core 100.

1013vC skin 7i15.15 is attached to form the honeycomb laminate 100.

” According to a method such as a double series, a pre-cut strip 1
In order to form 10 honeycomb cores by laminating and pasting 1, 11, 11, both end faces 10A and IOB of the honeycomb core 10 are
can be formed into a substantially completely planar shape.

Therefore, the adhesion state of the cedar/foil 15, 15 is set to 1. A sufficient fillet effect can be expected.

The honeycomb core manufacturing apparatus 20 includes a feed-out spigot/groove 21 for the strip-shaped body 11, an adhesive application mechanism 30 that works in conjunction with the feed-out mechanism 21 and applies the LC bonding agent 12 to the strip-shaped body 11, and a belt-shaped body 11 to a predetermined length. It consists of a cutting mechanism 40 that cuts the strip 11, and a guide hole opening mechanism 50 that provides the guide hole 16 at a predetermined position of the strip 11.

The feeding mechanism 21 rotates two guide rollers 22 and 23 that rotate in opposite directions to each other, and the guide rollers 22 and 23 rotate in contact with each other.
By inserting the band-shaped body 11 wound around the reel body 24 between the reel members 3 and 3, the band-shaped body 11 is fed out at a predetermined speed and guided.

The adhesive application mechanism 30 includes a rotary application member 31 for applying adhesive 11i which is interlocked with the guide rod 23 of the feed mechanism 21.

The rotary application member 31 is like a gear with a substantially flat end 32, 32, etc., with a constant pinch of vines.
The relationship between the diameter d of the tip circle and the diameter of the front one-grip guide roller 23 is 1i+'
It is formed to add 6.

Further, the tip portions 32A of the ends 32, 32, .

The rotary coating member 31 as described above has the guide roller 23,
23, and thereby the adhesive 12 is applied to the outside of the kite roller 23 with a predetermined pinch.

In addition, the above-mentioned predetermined pinch is applied to the adhesive part of the band-shaped body 11, and the 'Tli part' 13.13...The width O of the pair of tip portions 32A at a mutual predetermined distance l corresponds to one side of the honeycomb cell leg. do.

Next, cutting (the blade 40 is for cutting the strip 11 sent out by the feeding groove 21 into a predetermined length, the cutting blade 41 and the lower cutting blade 42)
The strip-shaped body 11 is cut by a drive (not shown) (moving it up and down depending on the planting structure).

The guide hole punching mechanism 50 is for opening the guide hole 16 in a predetermined position 115 of the strip 110, and is made up of a guide hole punching pin 51 and a pin receiver 52 that move up and down in the figure by a small movement mechanism (not shown). Become.

Note that the guide hole 16 is formed using the adhesive 4B cloth i of the strip-like body 11.
'J1 powder' I 3.13 ''' and the core portion 13 are opened at intervals of 1/2 of the predetermined interval 1ζjJ.

In order to manufacture the honeycomb core 200 of the honeycomb core manufacturing apparatus 2 as described above, the delivery mechanism 2 is used.
Cut the r91 constant width in advance between the kite rollers 22 and 23 of 1.
The tip y:ja of the stretched strip 11 is inserted, and the strip 11 is thereby guided by the guide rollers 22 and 23 and fed out at a predetermined speed. At the same time, contact layer 7: iIJ application mechanism 30 applies the adhesive 12 applied to the guide rollers 22, 23VC to the 'ili-like body 11vc at a predetermined interval 1.

After that, as shown in FIG. 4, the guide hole 16.
・轡・ is IJ old ko, and the band-shaped body 1 formed in this way
1 reaches the length of &riP/the cut +1hlU at the ζ stage
1 & 4 (Can be cut to J.

Next, one bamboo-like body 11 formed as described above is layered with /'J + shifted by 1/2 of regular intervals as described above.
Thereafter, by expanding, a predetermined honeycomb core 200 as shown in FIG. 5 is formed.

In addition, several honeycomb core manufacturing apparatuses 20 as described above are arranged in parallel at 5 as shown in FIG.
... by guide rollers 60, 60...
Guide in the direction of force, and further forward 1. The honeycomb core 200 can be manufactured at the same time by feeding the honeycomb cores 200 to two laminating rollers 61 and 62 with a difference of 1/2 of the same predetermined interval P.

Note that by selectively changing the dimensions of the rotating system A'5 member 31, etc. in the honeycomb core manufacturing apparatus 20 described above, it is possible to produce a honeycomb core having honeycomb cells of any size. can.

By the way, in the honeycomb core 10 shown in FIG. , and because the adhesive application parts 13, 13, . . . are all arranged in the same direction Q, a certain directionality occurs in the strength of the honeycomb laminate 100 using such a honeycomb core 10. .

On the other hand, the honeycomb core i? i-suite ・
Honeycomb core 200 made by 1 oki 20 &J No. 5
As shown in the figure, guide holes 16, 16, .
Therefore, it is possible to correct the nonuniform strength in the longitudinal and lateral directions, which is a drawback of the honeycomb core 10 as described above.

In addition, both end surfaces 200A of the honeycomb core 2000,
200 BVC skin foil 15.15 blue ffi After pasting, it is possible to release pressure when heat treatment is performed, and it is possible to prevent the internal pressure of a specific honeycomb cell 201 from becoming higher than others. Can be prevented.

<Effects of the Invention> As is clear from the above description, the present invention applies adhesive at predetermined intervals on a strip cut to a required width in advance, and then laminates and adheres the strip at predetermined intervals. By making a honeycomb core, both end faces of the honeycomb core can be formed completely flat. This makes it possible to improve the adhesion of the skin and produce the expected fillet effect.

[Brief explanation of the drawing]

FIG. 1 is a process diagram showing a conventional manufacturing process for a honeycomb laminate, FIG. 2 is a process diagram showing a method for manufacturing a honeycomb laminate according to the present invention, and FIG. 3 is a schematic diagram of a honeycomb core manufacturing apparatus used in the present invention. , FIG. 4 shows a plane of a strip-like body manufactured by the honeycomb core manufacturing apparatus shown in FIG. 3. FIG. FIG. 6E is a schematic diagram showing another example of the honeycomb core manufacturing apparatus in an enlarged scale. '10,200. ．． ．． ．． , two-cam core 11...band-shaped body 1...predetermined interval 11...predetermined distribution Junto Sony Corporation Patent Attorney Kodo Koike 1) Toshiei - Figure 1 Figure 2 Figure 3 Figure 2Q Figure 4 Figure 5 Figure 6

Claims (1)

[Claims] ・Apply adhesive to strips cut to a constant length of 1116 at predetermined intervals in the longitudinal direction, and shift each strip to which the adhesive has been applied by a predetermined amount corresponding to 172 of the predetermined spacing from each other in the longitudinal direction. A method for manufacturing a honeycomb core, characterized in that it is laminated and then expanded.