JPH0427616Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a mold for forming split blocks.

(Prior Art) A conventional split block is shown in FIG. This split block 100 is of a two-part type, with rib holes 102...
... are arranged in a straight line. The split block 100 is divided into two block materials 104a and 104b by, for example, a press device (not shown) along virtual dividing lines l, m, n, and o. In addition, 106... is a through hole, and the block material 10
This is a hole for inserting reinforcing bars or pouring concrete for fixing when building structures such as moats and walls by piling up 4a and 104b. A conventional mold for molding such a split block 100 is shown in FIG. 108 is a box portion, into which concrete is poured to form the split block 100. Rib hole 102...
In order to form the rib hole forming core part 110
is arranged inside the box portion 108. In the rib hole forming core part 110, a plurality of core bodies 112... are arranged at predetermined positions along the virtual dividing line l or o.
Each core body 112... is integrally connected by a connecting body 114. On the other hand, the through hole forming core part 116 for forming the through hole 106... is the same as the rib hole forming core part 110,
It is arranged at a predetermined position parallel to the rib hole forming core part 110. In this state, concrete is poured into the box body part 108 and after vibration tightening, the box body part 1
By removing the mold from 08, one split block 100 is completed.

(Problems to be Solved by the Invention) However, the above-mentioned conventional mold for forming split blocks has the following problems.

The completed split block 100 will be divided along the virtual secant lines l, m, n, o;
The line indicating o is not displayed, and the worker who splits the split block 100 has to do it by intuition, relying on the position of the rib holes 102... The work involved drawing dividing lines and then dividing. Further, the split block 100 is placed at a predetermined position on a press device (not shown) for splitting the split block 100.

However, the method of determining the splitting position based on the rib holes 102 tends to be inaccurate, and the block material 10
4a and 104b have different sizes. In addition, in the method of drawing split lines, each split block 1
It is troublesome to draw a dividing line at 00 every time. Furthermore, in a method in which the split block 100 is placed at a predetermined location on the press machine, the split block 1
There is a problem in that the dividing position must be adjusted every time the size of 00 changes.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a mold for forming a split block that can display dividing lines when forming the split block.

(Means for Solving the Problems) In order to solve the above problems, the present invention has the following configuration.

That is, a box part into which concrete is poured to form a split block, and a box part that can be arranged at a predetermined position within the box part to form a plurality of rib holes along the virtual dividing line of the formed split block. In the split block forming mold having a core part for forming rib holes, the core part for forming rib holes includes a plurality of core bodies linearly arranged in the number of rib holes to be formed, and a core part for forming rib holes. An upper end surface of a plurality of core bodies, which is disposed at a position deviated laterally from the virtual dividing line when disposed at a predetermined position of the box body part, and is located on the upper end surface of each core body. A connecting body connected to the end face.

(effect) The effect will be explained.

When molding a split block, since the connecting body of the core part for forming rib holes is in a position deviated from the imaginary dividing line, the upper surface of the split block in at least a semi-dry state corresponds to the imaginary dividing line. It is possible to mark parts.

(Embodiments) Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a sectional view of a two-part concrete split block 10 formed using the split block forming mold of this embodiment.

Reference numeral 12 denotes a box portion, which is a rectangular parallelepiped box with an open top surface. A partially cutaway perspective view of the box portion 12 is shown in FIG. A protruding strip 16a is provided to protrude along the longitudinal center line of the inner bottom surface 14 of the box portion 12. Further, on the inner wall surfaces of the longitudinal side walls 18 and 20, protruding stripes 16b and 16 are formed along the center line in the height direction.
c is provided protrudingly. These protruding portions 16a, 16
b, 16c are provided at positions corresponding to virtual dividing lines M, N, O (see the perspective view of the split block 10 in FIG. 5) when the split block 10 is molded.

In FIG. 1, 22 is a core portion for forming rib holes, and the rib holes 24 of the split block 10...
(See FIG. 5). A perspective view of the rib hole forming core portion 22 is shown in FIG.
The rib hole forming core part 22 is made of iron,
The same number of core bodies 26 (5 in this embodiment) as the rib holes 24 to be formed are linearly arranged.
The protruding strip 1 of the box body part 12 is provided on the lower surface of the core body 26...
Notches 28, which can be fitted with 6a, are respectively carved. The height of the core bodies 26 is approximately the same as the height of the split block 10. Each core body 26... is integrally connected by connecting a plate-shaped connecting body 30 made of iron to the upper end surface of each core body 26. Therefore, the rib hole forming core part 22 can be integrally attached to the box part 12 with the connecting body 30 and can be removed. The connecting body 30 is fixed (connected) to the upper end surface of the core bodies 26 at a position tilted outward by a distance A from the virtual dividing lines L, M, and N.

In FIG. 1, numerals 32, . . . are core portions for forming through holes, which are arranged in parallel on both sides of the core portion 22 for forming rib holes. Through-hole forming core portion 32...
After the split block 10 is completed, a through hole 36 (see Fig. 5) is formed for reinforcing reinforcing steel and pouring concrete when the divided blocks 34a and 34b are piled up to form a structure. It is set up to do so. Core part 3 for through hole formation
2... is shown in FIG. 4. The core portion 32 for forming through-holes is also made of iron, and the same number (5 in this example) of second core bodies 38 as one row of through-holes 36 to be formed are formed. arranged in a straight line. The bottom surface of the second core body 38 is formed into a flat surface. The height of the second core body 38 is approximately the same as the height of the split block 10. Each of the second core bodies 38... is integrally connected by a second connecting body 40, which is also plate-shaped and made of iron, connected to the upper end surface of each of the second core bodies 38. Therefore, the through-hole forming core portion 32... is the second
The connecting body 40 can be integrally attached to and removed from the box body part 12.

Although not shown in FIGS. 1 and 2, the rib hole forming core part 22 and the through hole forming core part 32
... to a predetermined position of the box body part 12, both ends of the connecting body 30 of the rib hole forming core part 22 and the second connecting body 40 of the through hole forming core part 32... Appropriate positioning means such as a concave-convex engagement is provided so that the connecting body 30 and the second connecting body 40 are in a predetermined position when hooked onto the upper edges of the side walls 18, 20 of the box portion 12.

A core part 2 for forming rib holes is placed in a predetermined position of the box body part 12.
When concrete is poured into the box body part 12 with the through-hole forming core part 32 and the through-hole forming core part 32 attached, the inner surface shape of the box body part 12 will have rib holes 24 and through holes 36. It is possible to mold the split block 10 with an external shape that follows the above. After pouring the concrete, the top surface of the split block 10 is pressed with a press 42 shown in FIG. This press 42 has a length equal to or longer than the length of the box portion 12, and is provided with a slit 44 through which the connecting body 30 can pass. The press 42 inserts the connecting body 30 into this slit 44.
are arranged so as to correspond to each other and then pressed. Furthermore, a protruding strip 16d is provided on the lower surface of the press 42 at a position corresponding to the virtual dividing line L. This convex portion 16d is formed by the press 42 on the split block 10.
It is not formed in a portion corresponding to the upper surface of the core body 26 when pressed against the upper surface. Therefore, the press 42 is applied to the top surface of the split block 10 before fastening.
When pressed, the convex strip 16d recesses the upper surface of the split block 10 along the imaginary dividing line L. After that, after vibration tightening with a vibration press (not shown),
Core part 22 for forming rib holes, core part 3 for forming through holes
2...Remove the concrete molded product and box body part 1
When the mold is removed from 2, the split block 10 shown in FIG. 5 is completed.

Concave grooves 46a, 46b, . . . are formed on the outer surface of the split block 10 along virtual dividing lines L, N, M, O.
Four (only two are shown) are formed. Therefore,
When splitting the split block 10, use the groove 46a on the top surface of the split block 10 as a guide to split the split block 10 into the block materials 34a, 34.
It is only necessary to divide it into parts b, and it is possible to reliably divide it along the dividing lines L, M, N, and O. Moreover, the grooves 46a, 4
6b, . . . are formed, the grooves 46a, 46b, .

In the above embodiment, there are four concave grooves that serve as division marks.
However, at least 10 split blocks
It is sufficient to provide a mark on the upper surface of the convex portion 16.
a, 16b, and 16c become unnecessary.

Further, although the split block 10 described above is of a two-part type, the same applies to a three-part type or more.

Various preferred embodiments of the present invention have been described above, but the present invention is not limited to the above-mentioned embodiments, and it goes without saying that many modifications can be made without departing from the spirit of the invention. .

(Effects of the Invention) By using the split block forming mold according to the present invention, it becomes possible to display a dividing line on at least the top surface during the split block forming process. Therefore,
This has the effect that a predetermined size can be reliably maintained when dividing the split block.

[Brief explanation of drawings]

Fig. 1 is a sectional view showing a state in which a split block is formed using the split block molding frame of the embodiment, Fig. 2 is a partially cutaway perspective view of the box portion of the form, and Fig. 3 4 is a perspective view of the core part for forming rib holes in the formwork, FIG. 4 is a perspective view of the core part for forming through holes in the formwork, and FIG. FIG. 6 is a perspective view of a conventional split block, and FIG. 7 is a perspective view of a conventional mold for forming a split block. DESCRIPTION OF SYMBOLS 10... Split block, 12... Box body part, 22... Core part for forming rib holes, 26... Core body, 30... Connecting body.

Claims (1)

[Claims for Utility Model Registration] A box portion into which concrete is poured to form a split block, and a predetermined portion in the box portion to form a plurality of rib holes along the virtual dividing line of the formed split block. In a split block molding form having a core part for forming rib holes that can be arranged at a position, the core part for forming rib holes has a plurality of linearly arranged core parts corresponding to the number of rib holes to be formed. a core body; and an upper end surface of the plurality of core bodies, which is disposed at a position offset laterally from the virtual dividing line when disposed at a predetermined position of the box body part, and each 1. A formwork for molding a split block, comprising a connecting body connected to an upper end surface of a core body.