JPH0650180Y2 - Lightweight plate manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an apparatus for manufacturing a lightweight plate-like body suitable for a building material or the like.

(Prior Art) Conventionally, a reinforcing material such as glass fiber impregnated with a foaming curable resin liquid is guided to a molding passage, and the resin liquid is foamed and cured therein to manufacture a lightweight plate-shaped body. The present invention is carried out by the applicant, and first, the manufacturing apparatus of the lightweight plate-shaped body and the process thereof will be described with reference to FIGS. 5 to 7.

When the glass fiber bundle 1 is dispersed and arranged in a thin and wide state, when the foaming curable resin liquid is ejected from the ejector 2, this is attached to the fiber bundle 1 and further kneaded by the rubbing plate 3. As a result, the foam curable resin liquid is evenly dispersed between the fibers. Such a fiber bundle 1 enters the molding passage 8 surrounded by the endless belts 4,5 and the side belts 6, 7 whose inner peripheral surfaces are locked by the slat chains 60, 70, and the endless belts 4, 5 And side belts 6,7
Proceed with. The endless belts 4 and 5 are supported by the die rollers 12 rotatably supported by the upper die 10 and the lower die 11, respectively, with their inner peripheral surfaces in contact with the group, and the side belts 6 and 7 are An inner peripheral surface of a slat chain 60, 70 rotatably supported by a group of wheels 14 rotatably supported by a fixture 13 for fixing the upper die 10 to the lower die 11. It is stopped and supported so that the endless belts 4,5 and the side belts 6, 7 can easily rotate.

While the fiber bundle 1 is pulled by the tensioner 15 and travels in contact with the endless belts 4,5 and the side belts 6 and 7, the foam curable resin liquid contained in the fiber bundle 1 foams and cures. . At the time of foaming, there are endless belts 4,5 and side belts 6 and 7 around the fiber bundle 1, and further, the die rollers 12 ... Group come into contact with the inner peripheral surface of the endless belts 4,5,
Since the slide chains 60 and 70 are locked to the inner peripheral surfaces of the side belts 6 and 7, the foamed resin liquid cannot flow out of the molding passage 8. Therefore, the endless belt 4,
The plate-shaped molded body S can be manufactured based on the molding passage 8 defined by the outer surfaces of the 5 and the side belts 6 and 7 (see Japanese Examined Patent Publication No. 52-2421 and Japanese Utility Model Publication No. 59-36414).

(Problems to be solved by the invention) By the way, when the foaming curable resin liquid foams in the foaming section of the molding passage 8, the foaming pressure exerts a bending action on the mold rollers 12 through the endless belts 4 and 5. Will be given. Therefore, as the width of the plate-shaped compact S increases, the bending moment acting on the mold rollers 12 also increases, and in some cases, the center of the mold rollers 12 is bent against the rigidity of each mold roller 12. Sometimes. On the other hand, when the mold rollers 12 are bent, the plate-shaped molded body S is blistered, a product having a predetermined shape cannot be obtained, and the mold rollers 12 are hard to rotate and the resistance is increased. There was a problem that I could not get it at 15.

The present invention has been made in view of such a problem, and it is a lightweight plate shape that can prevent the mold roller from bending due to the foaming pressure of the foaming curable resin liquid and can reliably manufacture a product of a predetermined shape. An apparatus for manufacturing a body is provided.

(Means for Solving the Problems) The present invention is a pair of slat chains each of which is composed of a pair of endless belts whose upper and lower surfaces are supported by a large number of mold rollers, and whose both side surfaces are supported by wheels. A reinforcing plate impregnated with a foaming curable resin liquid is continuously passed through the formed molding passage, and the resin liquid is foamed and cured during this passage to form a plate-shaped light-weight plate manufacturing apparatus. The backup roller is provided in contact with the mold roller arranged in the foaming section of the resin liquid in the molding passage, and the foaming pressure acting on the mold roller is supported in cooperation with the backup roller. It is characterized by.

(Operation) When a reinforcing material such as glass fiber enters the molding passage, the foaming curable resin liquid impregnated in the reinforcing material starts foaming and curing in the foaming section of the molding passage to form a plate-shaped molded body. . At this time, when the foaming pressure of the foam-curable resin liquid acts on the mold roller via the upper and lower endless belts, the backup roller is provided in contact with the mold roller, and therefore the foaming acting on the mold roller is performed. The pressure is received in cooperation with the backup roller, and the bending of the mold roller is prevented.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

Since the entire configuration of the apparatus has been described in the section of the related art, detailed description thereof will be omitted.

FIG. 1 shows a first embodiment of the backup roller 20 of the present invention. The backup rollers 20 ₁ of the first embodiment are rotatably provided in contact with the mold rollers 12 that support the endless belts 4 and 5 in the foaming section of the molding passage 8. Each backup roller 20 _1,
A plurality of mold rollers 12 are formed with a width smaller than that of the mold rollers 12, and a plurality of mold rollers 12 are provided so as to be in contact with a pair of adjacent mold rollers 12 and at appropriate intervals in the width direction of the mold rollers 12.

FIG. 2 shows the second embodiment. The backup roller 20 ₂ of this embodiment has substantially the same width as that of the mold roller 12 of the backup roller 20 ₁ of the first embodiment, so that the backup roller 20 ₁ is in contact with a pair of adjacent mold rollers 12, 12. One is provided.

Further, FIG. 3 shows the backup roller 20 of the third embodiment.
₃ … is described. This example, adjacent a pair of mold roller 12, 12 diameter of the backup roller 20 disposed between ₃ ..., disposed between the pair of molds rollers 12 and 12 next adjacent backup The rollers 20 ₃ ... Are alternately arranged so as to be positioned between the backup rollers on the other side.

Further, as a fourth embodiment, as shown in FIG.
Instead of disposing a backup roller between a pair of adjacent mold rollers 12 and 12 in the embodiments to the third embodiment, the backup roller 20 is contacted with the mold rollers 12 in one-to-one correspondence. ₄ ... may be arranged. And
Each backup roller 20 ₄ can be formed to have substantially the same width as the die roller 12 as shown in the second embodiment, or can be divided into a plurality of pieces as shown in the first embodiment.

In the present embodiment, the molding passage 8 is formed by the endless belts 4,5 and the side belts 6 and 7, but the side belts 6 and 7 are not always necessary, and depending on the case, the endless belts 4,5 and the slat chains are used. It is also possible to mold with 60,70.

(Effect of the Invention) As described above, according to the present invention, the backup roller is provided so as to contact the mold roller disposed in the foaming section of the molding passage, so that the mold is formed by the foaming pressure of the foam-curable resin liquid. By receiving the bending of the roller in cooperation with the backup roller, it is possible to reliably manufacture a product having a predetermined shape.

[Brief description of drawings]

1A and 1B are plan views showing the arrangement of a backup roller according to the first embodiment and side views thereof. FIG. 2 and 3 are plan views showing the arrangement of backup rollers of the second embodiment, and FIGS. 3 (a) and 3 (b) are plan views showing the arrangement of backup rollers of the third embodiment and the same. A side view, FIG. 4 is a side view showing the arrangement of the backup rollers of the fourth embodiment, FIG. 5 is an overall perspective view showing the outline of the manufacturing apparatus of the present invention, and FIG. 6 is a conventional molding passage. The sectional view shown in FIG. 7 is a plan view showing the molding passage of the prior art partially omitted. 4,5 ... Endless belt 6,7 ... Side belt 60,70 ... Slat chain 8 ... Molding passage 12 ... Mold roller 14 ... Wheel 20 ... Backup roller S ... Plate shaped body

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Claims (1)

[Scope of utility model registration request] Claim: What is claimed is: 1. A foaming path is formed in a molding passage which is composed of a pair of endless belts each having an upper surface and a lower surface supported by a large number of mold rollers, and whose both side surfaces are composed of a pair of slat chains supported by wheels. A manufacturing device for a lightweight plate-like body, which continuously passes through a reinforcing material impregnated with a curable resin liquid, and foams and cures the resin liquid during the passage to form a plate-shaped resin in the molding passage. A light-weight plate-like body characterized in that a backup roller is provided in contact with a mold roller arranged in a liquid foaming section, and the foaming pressure acting on the mold roller is supported in cooperation with the backup roller. Manufacturing equipment.