JPH06246726A - Manufacturing method of retaining wall block and mold device used for the same - Google Patents

Abstract

(57) [Abstract] [Purpose] In the production of retaining wall blocks with different surface shapes, the number of mold devices is reduced by sharing the main body of the mold device, and the durability of the rubber mold material when using rubber mold materials is reduced. Improve sex. [Structure] As a bottom plate that forms the surface of the block, a template with a geometric pattern and a template with rubber with irregular surface irregularities bonded to an iron plate can be attached and removed at different attachment positions. By using the mold device described above, it is possible to manufacture blocks having different surface shapes by sharing the main body of the mold device. Furthermore, in this mold apparatus, by fixing and providing a plate member having a shape slightly protruding from the inner surface of the lower mold and the end surface of the tip of the protruding portion being inclined downward, The protruding portion of the plate member prevents the bottom plate from rising when the block product is taken out from the mold device, and prevents the rubber mold member from being damaged when the rubber mold member is used.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a retaining wall block and a molding machine.

[0002]

2. Description of the Related Art Conventionally, a retaining wall block B as shown in FIG. 3, for example, is manufactured by using a mold device as shown in FIG.

FIG. 4 (a) is a perspective view showing a state in which the mold apparatus is assembled, and FIG. 4 (b) is a perspective view showing a state in which the upper mold is unfolded. The mold apparatus A includes upper molds a ₁ , a ₂ , a ₃ , a
₄ and the mold body consisting of the lower mold a ₅ Prefecture, bottom plate a ₆ and a core a _7, a ₈ and the main components, attaching the bottom plate a ₆ on the lower mold a _5, inside the mold body In the core a ₇ , a ₈
To create a space for concrete filling. Bottom plate a
Reference numeral ₆ is a template for forming the surface portion b ₁ of the block B in FIG. 3, and the cores a ₇ and a ₈ are for forming the hole b ₃ of the leg portion b ₂ of the block B. The core is not used when manufacturing a block having no holes in the legs.

[0004] pouring the raw concrete concrete filling space of the mold apparatus A assembled in the state shown in FIG. 4 (a), after curing of the concrete, after pulling out the core a _7, a _8, in FIG. ( upper molds a ₁ to a as shown in FIG.
Expand ₄ and take out the block product.

The mold device A is a mold device for manufacturing a block in which a frame-shaped geometric pattern is formed on the surface portion b _{1 of the} block B. The shape of the surface portion of the block is also shown in FIG.
There are various shapes as shown in (a) to (c), and a mold device having a bottom plate corresponding to the shape of these surface portions is used. In the case of manufacturing the block of the surface portion in which irregular irregularities are formed in the shape of natural stone as shown in FIG. 4C among these surface portion shapes, the bottom plate a ₆ shown in FIG. Instead of such a template, a template a _{11 in} which a rubber a ₉ having irregular asperities formed on the surface thereof is bonded to an iron plate a ₁₀ as shown in FIG. 6 is used as a bottom plate.

[0006]

In the conventional block manufacturing method using the above-described mold device, a dedicated mold device having a bottom plate attached according to the surface shape of each block is used. For this reason, when many types of blocks are manufactured, the number of mold devices increases, which is extremely uneconomical.

Further, when a block in the shape of a natural stone is manufactured using a rubber mold material, when the block product is taken out from the mold device, the end of the rubber mold material sticks to the block product and easily floats up, and is peeled off from the iron plate. I have something to do. Therefore, there is a problem that a new rubber mold material must be frequently replaced.

The problem to be solved in the present invention is to reduce the number of mold devices by sharing the mold device in the manufacture of the retaining wall block having different surface shapes, and to reduce the rubber mold material when the rubber mold material is used. It is to improve durability.

[0009]

In order to manufacture a retaining wall block by pouring ready-mixed concrete into a space created inside a molding apparatus in which an upper mold and a lower mold are combined, the present invention is directed to a lower mold. In addition, either a template with a geometric pattern as the bottom plate or a template with rubber with irregular surface irregularities adhered to an iron plate is used, and a geometrical pattern is used on the surface part with a removable mold device. When manufacturing a block with a geometric pattern, attach a template with a geometric pattern to the lower formwork and pour fresh concrete, and when manufacturing a block with unevenness in the shape of natural stone on the surface The method is characterized in that a block made by attaching a mold material in which a rubber having irregular surface irregularities is bonded to an iron plate is attached to a lower mold and pouring fresh concrete into the block.

As a mold apparatus used in the method of manufacturing the above block, a mounting hole for mounting a template having a geometric pattern on a lower mold of a mold apparatus in which an upper mold and a lower mold are combined. , A mounting hole for mounting a mold material in which rubber having irregular surface irregularities is adhered to an iron plate is separately provided, and the template having the geometric pattern or the rubber having irregular surface irregularities is provided. Use a mold device that allows any one of the mold materials adhered to the iron plate to be attached and detached arbitrarily. Further, in this mold apparatus, a plate member having a shape slightly protruding from the inner surface of the lower mold and having an end surface at the tip of the protruding portion inclined downward is provided on the upper end surface of the lower mold. can do.

[0011]

In the present invention, as the bottom plate of the mold device, either the mold plate having the geometric pattern or the mold material having the rubber having the irregular surface irregularities adhered to the iron plate is arbitrarily selected and By using a mold device that is detachably attached to the mold, one is used to manufacture a retaining wall block with a geometric pattern formed on the surface and a retaining wall block with irregular irregularities on the surface. The mold device can be shared.

Further, a plate member having a shape slightly protruding from the inner surface of the lower mold and having an end face at the tip of the protruding portion inclined downward is fixed to the upper end surface of the lower mold of the mold apparatus. When the block product is taken out from the mold device, the end portion of the bottom plate is restrained by the protruding portion of the plate material, and the bottom plate is prevented from rising.

[0013]

1 and 2 are vertical sectional views showing the structure of the main part of a mold apparatus for carrying out the present invention. FIG. 1 shows a frame plate-shaped template plate as a bottom plate. FIG. 2 shows a state in which it is attached, and FIG. 2 shows a state in which a mold material in which rubber having irregular surface irregularities is bonded to an iron plate is attached to a lower mold as a bottom plate.

The mold apparatus 1 of the present embodiment is a mold apparatus for manufacturing a retaining wall block having an overall shape shown in FIG. 3, and its overall structure is the same as that of the mold apparatus A shown in FIG. It is similar. 1 and 2 are vertical cross-sectional views showing the structure of the main part at a position corresponding to the position where the cores a ₇ and a ₈ of the mold apparatus A shown in FIG. 4 are incorporated. Shows only a part and omits others.

The mold apparatus 1 shown in FIGS. 1 and 2 comprises an upper mold 2
1, 22 and the lower molds 31, 32 are combined, and the lower molds 31, 32 are fixed to the frame 4 with bolts and nuts 5. Inside the upper molds 21 and 22, there are cores 61 and 62.
Is set.

In this mold apparatus 1, the lower mold frame 31,
32, holes 9 and 10 for attaching a bottom plate are provided in upper and lower two stages. The upper hole 9 is a bolt hole for mounting the template 7 having a frame shape, and the lower hole 10
Is a bolt hole for attaching the mold member 8 in which the rubber 81 having irregular surface irregularities is adhered to the iron plate 82.

When the frame-shaped template 7 is attached to the lower molds 31, 32, as shown in the partially enlarged view of FIG. The mounting is performed by mounting the template 7 on the mounting template 11. In addition, the lower formwork 31,3
When attaching the mold member 8 in which the rubber 81 having the irregular surface irregularities is bonded to the iron plate 82, the mounting mold member 13 is placed at the position of the hole 10 as shown in the partially enlarged view of FIG. Installed by this mounting material 13
Attach the shape member 8 to the.

Here, a plate member 15 for pressing the end of the mold plate 7 or the mold member 8 is fixedly provided on the upper end surfaces of the lower mold frames 31 and 32. This plate 5 is shown in FIG.
As shown in the partially enlarged view of FIG. 2, the lower molds 31 and 32 are slightly projected from the inner surfaces, and the end surfaces of the tips of the protruding portions 15a are inclined downward. The protrusion 15a of the plate 15 when the
The lower surface of the mold contacts the upper end of the end of the mold plate 7 or the mold member 8. When the block product is taken out from the mold device 1, the plate member 15 restrains the lower end of the protruding portion 15a of the plate member 15 from the end of the mold plate 7 or the mold member 8 and prevents the mold plate 7 or the mold member 8 from rising.

When using this mold device 1 to manufacture a retaining wall block having a frame-shaped surface, a mold plate 7 is set as a bottom plate as shown in FIG. In the case of manufacturing the retaining wall block having the surface portion having the unevenness, the template 7 is removed and the template 8 is set as the bottom plate as shown in FIG. That is, the template 7 as the bottom plate
A block having different surface portions can be manufactured by the same molding machine by simply exchanging the mold material 8 with the above.

[0020]

The present invention has the following effects.

In the production of a retaining wall block having a geometrical pattern on the surface portion and a retaining wall block having irregular irregularities on the surface portion, by exchanging the bottom plate for forming the surface portion, the main body of the molding apparatus is replaced. Can be shared.

As a result, the number of die units can be reduced.

By providing a hole for mounting the bottom plate for forming the surface portion in the lower mold of the mold apparatus, the work of exchanging the bottom plate is easy.

By providing the lower mold with a member for restraining the upward movement of the bottom plate, it is possible to prevent the bottom plate from rising when the block product is taken out from the mold device.

As a result, especially when a rubber mold material is used as the bottom plate, damage to the rubber mold material can be reduced and the durability of the rubber mold material can be improved.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a structure of a main part of a mold apparatus according to an embodiment of the present invention, showing a state where a frame-shaped template plate is attached to a lower template as a bottom plate.

FIG. 2 is a vertical cross-sectional view showing a structure of a main part of a mold apparatus according to an embodiment of the present invention, showing a state in which a mold material in which rubber having irregular surface irregularities formed on a lower mold as a bottom plate is bonded to an iron plate is attached. Show.

FIG. 3 is a perspective view showing an example of a retaining wall block.

FIG. 4 is a perspective view showing an example of a conventional mold device.

FIG. 5 is a diagram showing another example of the shape of the surface portion of the retaining wall block.

FIG. 6 is a view showing another example of the bottom plate of the mold device.

[Explanation of symbols]

1 type device 4 mount 5 bolt / nut 7 type plate 8 type material 9,10 hole 11,13 mounting type material 12,14 bolt / nut 15 plate material 15a protruding part 21,22 upper form frame 31,32 lower form frame 61,62 Core 81 Rubber 82 Iron plate B Block for retaining wall

Claims (3)

[Claims] 1. In manufacturing a block for a retaining wall by pouring ready-mixed concrete into a space created inside a mold device in which an upper mold and a lower mold are combined, a geometric pattern is used as a bottom plate on the lower mold. When manufacturing a block in which a geometric pattern is formed on the surface using a mold device that can arbitrarily attach or detach either the mold plate that has been applied or the mold material in which the rubber with irregular surface irregularities is adhered to the iron plate Attaches a template with a geometric pattern to the lower formwork, pours fresh concrete, and when manufacturing a block with unevenness in the shape of natural stone on the surface, form irregular surface unevenness A method of manufacturing a block for a retaining wall, characterized in that a block made by adhering the above rubber to an iron plate is attached to a lower formwork and poured into fresh concrete to produce a block. 2. A mold device used in the method for manufacturing a retaining wall block according to claim 1, wherein a geometric pattern is applied to a lower mold part of the mold device in which an upper mold part and a lower mold part are combined. A mounting plate for mounting the shaped template, and a mounting hole for mounting a molding material in which rubber having irregular surface irregularities is bonded to an iron plate are separately provided, and the template having the geometric pattern or the Retaining wall block mold device that can be removed by arbitrarily attaching or removing one of the mold materials in which rubber with irregular surface irregularities is bonded to an iron plate. 3. The mold apparatus according to claim 2, wherein a plate material having a shape slightly protruding from the inner surface of the lower mold and having an end surface at the tip of the protruding portion inclined downward is provided on the upper end surface of the lower mold. A type device for a fixed retaining wall block.