JP2548220Y2 - Hydraulic inorganic molded product removal device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for taking out a hydraulic inorganic molded article for vacuum-adsorbing a hydraulic inorganic molded article from a forming die.

[0002]

2. Description of the Related Art As shown in FIG. 4 (a), a hydraulic inorganic molded body 1 is prepared by stirring and mixing a molding material with a stirrer. Supply port 35
, And is shaped by dehydrating in vacuum. Thereafter, the upper mold 30 is removed, and as shown in FIG. 4 (b), the molded body 1 is vacuum-adsorbed by the vacuum suction tool 32, and the molded body 1 is taken out from the lower mold 31 by lifting, and transferred to the next step. Was. As shown in FIG. 5, the vacuum suction device 32 has a vacuum suction surface 34 conforming to the shape of the hydraulic inorganic molded body 1, and a plurality of vacuum suction surfaces 34 communicating with a vacuum source (not shown). A vacuum suction hole 33 is provided, and the vacuum suction surface 34 is vacuum-adsorbed to the hydraulic inorganic molded body 1 by vacuum suction from the plurality of vacuum suction holes 33.

[0003]

By the way, a molding material is poured into a predetermined shaping mold, and the formed hydraulically inorganic shaping body 1 (hereinafter abbreviated as a shaping body) is formed by vacuum dehydration. The material injection port mark 4 is formed at the material injection port 35 of the material. As shown in FIG. 6, the material injection mark 4 does not become a uniform flat surface, but swells in a convex shape depending on the molding state.
May be formed (FIG. 6A), or the concave portion 15 may be formed in a concave shape (FIG. 6B).

If the material injection port trace 4 swells in a convex shape and the material injection port trace 4 has a convex portion 14, when the molded body 1 is vacuum-adsorbed, the protruding convex portion 14 is vacuum-adsorbed. The tool 32 is strongly pressed toward the lower mold 31 by the vacuum suction surface 34. For this reason, when the vacuum suction tool 32 is pressed, the shaped molded body 1 may be deformed or the molded body 1 may be cracked.

[0005] When the material injection port trace 4 is depressed in a concave shape and the material injection port trace is formed with a concave portion 15, the molded article 1 is formed.
At the time of vacuum suction, the concave portion 15 is strongly sucked toward the vacuum suction tool 32 by vacuum suction. For this reason, at the time of vacuum suction of the molded body 1, the surface 36 of the molded body 1 on the opposite side of the material injection port trace 4 in which the recess 15 is formed is indicated by an imaginary line 4 in FIG.
Sometimes it was dented like 1.

In view of the above, the present invention provides an apparatus for taking out a hydraulic inorganic molded article capable of preventing deformation, cracking, surface dent, and the like of the molded article caused by the trace of the material injection port of the molded article. The purpose is to do.

[0007]

SUMMARY OF THE INVENTION An apparatus for removing a hydraulic inorganic molded article according to the present invention is an apparatus for removing a hydraulic inorganic molded article having a vacuum suction member for vacuum-adsorbing a hydraulic inorganic molded article in a forming die. A vacuum suction surface corresponding to a mark of a material injection port of a hydraulic inorganic molded article of a vacuum suction tool, wherein a concave portion having a hole communicating with the atmosphere without a vacuum suction hole is provided. It is.

[0008]

When a convex portion is formed in the trace of the material injection port, the convex portion does not contact the vacuum suction surface of the vacuum suction device when the vacuum suction device is pressed by the concave portion of the vacuum suction surface of the vacuum suction device. For this reason, the convex portion is not strongly pressed by the vacuum suction tool, so that the molded article does not deform and crack.

Further, since the concave portion is opened to the atmosphere and does not have a vacuum suction hole, the convex portion in the concave portion is not suctioned by vacuum when the compact is vacuum-adsorbed. Therefore, no deformation such as a dent occurs on the surface of the molded body opposite to the convex portion.

When a concave portion is formed in the trace of the material injection port, the concave portion of the vacuum suction surface of the vacuum suction tool is opened to the atmosphere and has no vacuum suction hole. The recess is not vacuumed, so that the surface of the molding opposite the recess is not recessed.

[0011]

Embodiments will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing an embodiment of the vacuum suction tool of the present invention, in which the vacuum suction tool vacuum-sucks a formed body having a convex portion formed on a mark of a material injection port. 1 is a molded body, 2
Is a vacuum suction tool provided in the apparatus for removing the molded body 1 of the present invention. The vacuum suction surface 3 corresponding to the material injection port mark 4 of the molded body 1 of the vacuum suction tool 2 is provided with a concave portion 6 having no vacuum suction hole, and the concave portion 6 is provided with a hole 5 communicating with the atmosphere. . A plurality of vacuum suction holes 7 are provided on the vacuum suction surface 3 other than the recess 6, and the vacuum suction holes 7 are connected to a vacuum pump 9 via a vacuum exhaust pipe 8. Recess 6
Is connected to the atmosphere through an atmosphere communication pipe 10 and is open to the atmosphere. Reference numeral 16 denotes a dehydration box in which the lower mold 31 is attached to the upper part and dehydrates at the time of shaping.
1 is a sealing member.

[0012] The material injection port traces 4 of the molded body 1
Are formed on the surface of the projection 14.

The molded body 1 is vacuum-sucked by the vacuum suction tool 2, released from the lower mold 31, and taken out in the direction of the arrow X.

FIG. 2 is an enlarged sectional view of a main part A of FIG. A seal member 12 is mounted in the concave portion 6 of the vacuum suction tool 2. Since the concave portion 6 is formed in the convex portion 14 formed in the material injection port mark 4 of the molded body 1, the vacuum suction device 2 is formed.
Does not come into contact with the vacuum suction tool 2 when pressed against the compact 1. Therefore, the convex portion 14 is not pressed toward the lower mold by the vacuum suction tool 2, so that the molded body 1 is not deformed or cracked.

Further, since the concave portion 6 is opened to the atmosphere through the hole 5 and the atmosphere communication pipe and has no vacuum suction hole, the convex portion 14 is not sucked when the molded body 1 is vacuum-sucked.
Therefore, the surface 13 of the molded body 1 on the opposite side of the projection 14 does not dent as indicated by the imaginary line 20.

FIG. 3 is a cross-sectional view showing a state in which the vacuum suction tool vacuum-adsorbs a formed body having a concave portion formed at the mark of the material injection port. The material injection port trace 4 of the molded body 1 has a recess 1
5 are formed. Others are the same as those described in FIG. In this case, since the concave portion 15 does not protrude from the surface of the molded body, when the vacuum suction tool 2 is pressed against the molded body 1, the concave portion 15 does not contact the vacuum suction tool 2. Therefore, no deformation or cracking of the molded body 1 occurs. Similarly to the case of the convex portion, since the concave portion 6 is opened to the atmosphere through the hole 5 and has no vacuum suction hole, the concave portion 15 is not sucked when the molded body 1 is vacuum-sucked. The surface 17 of the molding 1 on the opposite side does not dent like the imaginary line 21.

[0017]

According to the present invention, when a convex portion is formed in the mark of the material injection port of the molded body, the convex portion does not contact the vacuum suction surface of the vacuum suction device due to the concave portion provided on the vacuum suction surface of the vacuum suction device. . Therefore, when the vacuum suction tool is pressed, the convex portion is not pressed by the vacuum suction tool. Therefore, it is possible to prevent deformation of the molded body and occurrence of cracks due to the formation of the projections.

Further, since the concave portion is opened to the atmosphere and has no vacuum suction hole, the convex portion in the concave portion is not sucked by vacuum when the compact is vacuum-adsorbed. Therefore, the surface of the molded body on the opposite side of the projection does not deform.

When a concave portion is formed in the trace of the material injection port, the concave portion provided on the vacuum suction surface of the vacuum suction tool is opened to the atmosphere and has no vacuum suction hole. At the time of suction, the concave portion is not suctioned by vacuum. Accordingly, it is possible to prevent the occurrence of a depression on the surface of the molded body opposite to the depression.

As described above, it is possible to prevent deformation, cracking, surface dent, and the like of the molded product due to the trace of the material injection port of the molded product.

[0021]

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing one embodiment of a vacuum suction tool of the present invention device, in which the vacuum suction tool vacuum-sucks a formed body having a projection formed on a material injection port mark.

FIG. 2 is an enlarged sectional view of a main part A of FIG.

FIG. 3 is an enlarged cross-sectional view of a main part showing a state where the vacuum suction tool vacuum-adsorbs a molded body having a concave portion formed at a mark of a material injection port.

4A and 4B are cross-sectional views of a shaping / unloading device, FIG. 4A is a cross-sectional view of a shaping device, and FIG. 4B is a cross-sectional view illustrating a state where a molded body is being removed by a conventional removing device. is there.

FIG. 5 is an enlarged sectional view of a main part B of FIG. 4 (b).

6A and 6B are partial cross-sectional views showing traces of a material injection port of a conventional molded body, in which FIG. 6A is a partial cross-sectional view showing a state in which a convex portion is formed, and FIG.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 molded body 2 vacuum suction tool 3 vacuum suction surface 4 material injection mark 5 hole 6 recess 7 vacuum suction hole 8 vacuum exhaust pipe 9 vacuum pump 10 atmosphere communication pipe 13, 17 surface 14 convex portion 15 concave portion 31 lower mold 35 material injection entrance

Claims (1)

(57) [Scope of request for utility model registration] 1. An apparatus for taking out a hydraulic inorganic molded body having a vacuum suction tool for vacuum-suctioning a hydraulic inorganic molded body in a shaping mold, wherein the vacuum suction tool has a material injection port mark of the hydraulic inorganic molded body. A take-out device for a hydraulic inorganic molded product, wherein a concave portion having a hole communicating with the atmosphere without a vacuum suction hole is provided on a corresponding vacuum suction surface. [0001]