JP2521698Y2 - Molding equipment for hydraulic inorganic moldings - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding device for a hydraulic inorganic molded product.

[0002]

2. Description of the Related Art In general, molding materials containing a hydraulic inorganic material, such as cement, gypsum, calcium silicate, etc., which are hardened by a hydration reaction, contain water in the hydraulic inorganic material and, if necessary, use glass as a fiber reinforcing material. It is composed of inorganic fibers such as fibers, organic fibers such as animal and plant fibers, and synthetic fibers, and sand and gravel as aggregates.

A molding apparatus 1 as shown in FIG. 3 is used to mold a molded product using such a molding material. This molding apparatus 1 includes a molding die 2, a take-out die 3 for taking out a molded article dehydrated by the molding die 2 from the molding die 2, and a receiving die for receiving and curing the molded article taken out by the taking-out die 3 It is composed of 4.

The molding die 2 is composed of an upper die 5 and a lower die 6,
When the upper mold 5 and the lower mold 6 are clamped, cavities corresponding to the shape of the molded product are formed on their mating surfaces. The upper die 5 is formed with a supply port 7 communicating with a molding material supply device (not shown).
By driving a supply device (not shown), the molding material can be pressed into the cavity of the mold 2 through the supply port 7.

On the other hand, a large number of water drain holes 8 are formed in the lower mold 6, and a suction box 9 is fixed to the lower portion thereof, and a pipe communicating with a drain pump (not shown) is connected to the suction box 9. 10 are connected. Therefore, by driving the drainage pump, the space formed by the lower mold 6 and the suction box 9 can be decompressed, and as a result, the water contained in the molding material pressed into the cavity can be squeezed out. The water is collected in the suction box 9 through the water draining hole 8, drained to the outside through the pipe 10, and the molded product is dehydrated to the extent that a hydraulic reaction is required.

On the other hand, the take-out die 3 is formed in the same mold surface shape as the upper die 5 described above, and is also provided with a large number of suction holes 11 communicating with a vacuum pump (not shown). Therefore, the lower mold 6 and the receiving mold 3 containing the dehydrated molded product
Are brought into substantially contact with each other, and a vacuum pump (not shown) is driven to draw suction holes 11 formed in the take-out die 3.
As a result of applying a negative pressure to the molded product through the molded product, the molded product can be adsorbed and received by the take-out mold 3. A buffer material 12 such as a sponge is provided around the mold surface of the take-out mold 3 that contacts the edge of the molded product.

Further, the receiving mold 4 is formed in the same mold surface shape as the lower mold 6, and can be conveyed to a curing curing furnace (not shown). That is, the take-out die 3 holding the molded product by suction and the receiving die 4 are matched with each other,
When the driving of the vacuum pump is stopped, the molded product is supported by the mold surface of the receiving mold 4, so that the receiving mold 4 containing the molded product may be appropriately carried out to the curing and curing furnace and cured by curing. .

In order to mold the molded product S by the molding apparatus 1 as described above, first, the upper mold 5 is lowered with respect to the lower mold 6 and the mold is clamped to form the upper mold 5 and the lower mold 6. The molding material is press-fitted into the cavity from the supply port 7 through the supply device. Simultaneously with the completion of the supply of the molding material, the space formed by the lower mold 6 and the suction box 9 is sucked by the drainage pump to dehydrate the molding material and shape the molded article S (see FIG. 4).

When the shaping of the molded product S is completed, the upper mold 5 is raised while maintaining the suction by the drainage pump and returned to the original position. As a result, the shaped molded product S is supported by the mold surface of the lower mold 6, and then the lower mold 6 is moved to directly below the receiving mold 3. Then, when the lower die 6 reaches a predetermined position, the suction by the drainage pump is stopped, and at the same time, the take-out die 3 is lowered to align with the lower die 6.
Next, when the vacuum pump is driven, a negative pressure acts on the molded product S through the suction holes 11, so that the molded product S is separated from the lower mold 6 and suction-held by the take-out mold 3 (FIG. 5). reference).

On the other hand, the lower mold 6 which has delivered the molded product S to the take-out mold 3 moves to a molding position where the upper mold 5 faces, and the molding operation is performed again. Further, the take-up die 3 holding the molded product S by suction is raised and then moved to a position directly above the receiving die 4 (see FIG. 6). When the take-out die 3 reaches the position directly above the receiving die 4, the taking-out die 3 is lowered to align with the receiving die 4, and then the suction holding by the vacuum pump is released, so that the molded product S is separated from the taking-out die 4. , Is placed on the die surface of the receiving die 4. The receiving mold 4 containing the molded product S is conveyed toward a curing / hardening furnace (not shown), and when the molded product S is cured, the molded product S is unloaded and conveyed again to the receiving position.

[0011]

By the way, when the molded article S is suction-held by the take-out die 3, the suction holes 11 formed in the take-out die 3 are in direct contact with the molded article S, and are easily soiled. There is a case where a part of the molded product S adheres to the mold surface or is clogged in the suction hole 11 to close the suction hole 11. As a result, there is a problem that the shape of the molded product S is changed when the molded product S is received, or the adsorption area is reduced and the molded product S cannot be adsorbed. For this reason,
A lot of time was required for maintenance and inspection such as frequently cleaning the take-out die 3.

The present invention has been made in view of the above problems, and a device for molding a hydraulic inorganic molded product which surely adsorbs the molded product, improves durability, and reduces maintenance time. Is provided.

[0013]

According to the present invention, a molding material is pressed into a cavity formed by a lower mold and an upper mold, the molding material is dehydrated to shape the molding, and then the molding is taken out. In a molding device for a hydraulic inorganic molded product which is transferred to a receiving mold through a mold and cured by curing, a plurality of suction grooves are formed on the mold surface of the take-out mold, and suction holes communicating with a vacuum source are formed in the suction groove. Is formed.

[0014]

Function: The molding material press-fitted into the cavity formed by the lower mold and the upper mold is dehydrated to shape the molded product, and then the molded product is adsorbed by the take-out mold and transferred to the receiving mold. At this time, a negative pressure acts on the molded product via the suction groove.

Therefore, the contact area between the take-out die and the molded product is reduced, and at the same time clogging of the suction hole is prevented,
It is possible to reduce dirt attached to the mold surface, improve durability, and reduce time required for maintenance and inspection.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

Since the outline of the molding apparatus shown in FIGS. 3 to 6 is duplicated, detailed description thereof will be omitted, and the same reference numerals will be used for the same members.

FIGS. 1 and 2 show a take-out die 3A of the present invention.
A plurality of suction grooves 31 are formed.
A suction hole 11 is formed inside.

Therefore, when the take-out mold 3A sucks and holds the molded product S supported on the mold surface of the lower mold 4, the molded product S contacts the bottom surface of the suction groove 31 in which the suction holes 11 are opened. Therefore, the contact area with the molded product S can be reduced. As a result, it is possible to prevent clogging of the suction holes 11 and at the same time reduce the amount of dirt attached to the mold surface. At this time, a negative pressure acts on the surface of the molded product S via the suction groove 31, and even if the one suction hole 11 is closed, the suction groove 31 passes through another suction hole 11 in the suction groove 31. There is no change that negative pressure acts on the area of
The adsorption power does not decrease.

[0020]

As described above, according to the present invention, the suction groove is formed in the mold surface of the take-out die constituting the molding apparatus, and a large number of suction holes communicating with the vacuum source are opened in the suction groove. The vacuum pressure can be applied to the molded product in a large area determined by the width and length of the suction groove, and the molded product can be reliably sucked, and the mold surface of the take-out die and the molded product directly contact each other. It is possible to reduce the area of the molded product, and it is possible to prevent deformation of the molded product and clogging of holes due to dirt attached to the mold surface. Even if the suction holes of the first and second suction holes are clogged, the suction force acts on the entire suction groove through the other suction holes, so that the suction force does not decrease and the durability is improved as a whole. At the same time, the time required for maintenance and inspection work can be shortened.

[Brief description of drawings]

FIG. 1 is a front view showing a take-out mold of a molding apparatus of the present invention with a part thereof omitted.

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a schematic diagram showing an overall configuration of a molding apparatus.

FIG. 4 is a schematic view showing a molding operation state by a molding die.

FIG. 5 is a schematic diagram showing a suction state of a molded product by a take-out mold.

FIG. 6 is a schematic view showing a delivery state of a molded product by a take-out mold.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Molding apparatus 2 Mold 3A Extraction mold 4 Receiving mold 5 Upper mold 6 Lower mold 11 Suction hole 31 Suction groove S Molded product

 ─────────────────────────────────────────────────── ─── Continuation of front page (56) Reference JP-A-57-120405 (JP, A) JP-A-55-126408 (JP, A) JP-A-55-126407 (JP, A) JP-A-5- 16110 (JP, A) JP-A-4-327906 (JP, A) Actually open 5-41716 (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. A molding material is press-fitted into a cavity formed by a lower mold and an upper mold, the molding material is dehydrated to shape the molding, and the molding is transferred to a receiving mold through a take-out mold. ,
In a molding device of a hydraulic inorganic molded product to be cured and cured, a plurality of suction grooves are formed on the mold surface of the take-out mold,
A molding device for a hydraulic inorganic molded article, wherein a suction hole communicating with a vacuum source is formed in the suction groove.