JPS5844454B2 - Partition device for mold - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a partitioning device for a mold, which is attached to a mold for a molded article for a building, and allows molding of a molded product having a size different from that formed by the entire mold.

In recent years, many prefabricated building structures have been constructed due to the demand for shorter construction times and lower costs for houses and other buildings. Molded panels are used.

It is desired that these molded articles for buildings be manufactured efficiently due to the above-mentioned demand for cost reduction.

By the way, conventional forming molds for concrete panels, etc., have multiple side frames removably attached to the bed, concrete IJ-crete is injected into the space surrounded by the side frames, and is allowed to harden and cure. , each side frame was removed to obtain a molded product, and only one size of building molded product could be molded with one mold.

Therefore, in order to obtain molded products of many different sizes, it is necessary to prepare molds for each type, which increases the cost of manufacturing molds and requires a large amount of space to store these molds. The disadvantage is that it is necessary.

An object of the present invention is to provide a mold partitioning device that allows molded products of different sizes to be obtained using one mold.

The present invention provides a pair of movable bodies on both sides of a main body frame disposed between predetermined side frames of a mold so that their protrusion amounts can move in different directions, and the movable bodies are moved by a single drive mechanism. The body frame is attached to a predetermined position of the mold to mold a molded product that is smaller than the full size of the mold, and after molding, the drive mechanism is driven to move each moving object. This objective is achieved by making it possible to separate the movable body from each side of the molded product by moving it in the direction of entering the main body frame.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

In FIGS. 1 to 3, the partition device 10 is movable in the direction in which the amount of protrusion changes on both sides of the main body frame 20 in the longitudinal direction, and the side surface of the molded product 50 in the outward direction. It is composed of a pair of movable bodies 30 having a U-shaped cross section, and a drive mechanism 40 that moves these movable bodies 30 by a predetermined amount with respect to the main body frame 20.

The main body frame 20 includes an elongated rectangular top plate 21;
A pair of narrow strip-shaped bottom plates 23 are connected to the top plate 21 through three square pillars 22, and the pillars 22 of each of the three pillars 22 erected on these bottom plates 23 are opposed to each other. The intervening part is made up of a connecting plate 24 that extends across the space.

A bracket 2 is attached to the lower part of the outer surface of each support column 22 of this main body frame 20, that is, the upper or lower side in FIG.
5 is protrudingly provided, and one end of the six links 26 is rotatably connected to the bracket 25 by a pin or the like. It is attached to the mounting hole 32 with a pin or the like so that the mounting position can be changed and rotated freely, so that each movable body 3
0 can be moved to the main body frame 20.

The drive mechanism 40 is disposed through the center of the three connecting plates 24, and has threaded portions 41 in opposite directions near both ends.
A, 41B are formed and the central part is made of pipe material 41.
An operation shaft 41 connected by C, a nut member 43 that is screwed into each threaded portion 41A, 41B of this operation shaft 41 and has a connecting collar 42 protruding from both ends, and each connection of these nut members 43. One end is rotatably connected to 42, and the other end is rotatably connected to a bracket 33 protruding from the inner wall of the movable body 30.

The partitioning device 10 is removably attached to the base 61 of the mold 60 through holes formed in each of the pillars 22, and by rotating the operation shaft 41, the partitioning device 10 is connected to the base 61 of the mold 60 through holes formed in each of the pillars 22, and by rotating the operating shaft 41, the partitioning device 10 is connected to the base 61 of the mold 60 through holes formed in each of the pillars 22. By moving the nut member 43 to the left stone in FIG. 1 and changing the mounting angle of the operating link 44 in FIG. 1, the rainforest moving body 30 can be moved in the direction of the arrow in the figure.

4 to 6 show an example of a mold 60 to which the partition device 10 according to the present invention is attached.

In these figures, the bed 61 is constructed by welding rectangular steel plates to the upper surface of square steel arranged in a lattice pattern and to the left side in FIG.
For example, four wheels 62 are rotatably attached.

These wheels 62 are placed on rails 63, along which the bed 61 can be moved to a predetermined position.

Further, two engaging members 64 are provided on the lower surface of the bed 61, and the engaging portion side 64 is adapted to be engaged with a key-shaped retaining member of a locking mechanism provided on a formwork up-and-down device (not shown). The bed 61 is fixed to the formwork hoisting device by the locking mechanism and the suppression by the suppression mechanism which is also provided on the formwork hoisting device and comes into contact with the left side of the bed 61 in FIG. In this fixed state, by operating the formwork lifting device, the bed 61 is erected counterclockwise so that the left side surface of the bed 61 in FIG. 6 is facing downward.

A plurality of, for example four, side frames 65 are arranged on the bed 61, and among these side frames 65, the lower side frame 65A in FIG. 4 is removably placed on the bed 61, and this side frame 65A It is fixed to the bed 61 by locking tools 66 which are provided at both ends of the side frame 65A- and can be fixed to the bed 61 by penetrating the side frame 65A-.

Further, the upper side frame 65B in FIG. 4 is connected to the left and right side frames 65C and
51) are respectively connected to the bed 61 via second connectors 68 having the same shape.

These side frames 65A, 65B, 65C, 65
D is formed into a prismatic shape by combining L-shaped steels with their opening sides facing each other, and these side frames 65A
A molded product 50 for a building such as a concrete panel is formed by injecting milk, silica sand, and other molded product materials into the space defined by the inner surface of ~65D. ing.

The first connector 67 has a bracket 69 protruding from the side surface of the bed 61, and one end is rotatably supported by the bracket 69 via a shaft 70, and the other end is screwed to the side frame 65B. By rotating the arm 71 clockwise from the solid line position in FIG. 6 to the chain line position in FIG. 6 against a spring (not shown) using an operating member (not shown). The side frame 55B can be moved in a direction away from the side surface of the molded product 50 defined by the side frame 65B.

The second connector 68 includes a bracket 72 projecting from the side surface of the bed 61, links 75 and 76 rotatably connected at one end to the bracket 72 via shafts 73 and 74, respectively. A link 79 is rotatably connected via 77.78 at the other end of the links 75, 76 and forms a parallelogram link with these links 75, 76 and the bracket 72, and a link 79 is removable from this link γ9. A bearing stand 80 is attached to the bearing stand 80, and one end is rotatably attached to the bearing stand 80 via a shaft, and the other end is attached to the left or right side frame 65C or 6.
The extension link 81 is detachably attached to the 5D, and the link 75 or 76 is rotated clockwise as shown in FIG. 5 by an operating member not shown or directly by hand. By rotating clockwise about the axis, the side frame 65C or 65D can be moved in a direction away from the side surface of the molded product 50 defined by the side frame 65C or 65D.

At this time, if the bearing stand 80 and the extension link 81 of the second connector 68 are removed, the side frame 65C or 65D is directly attached to the link 79, which allows the molded product 50 to move in the left-right direction in FIG. The dimensions are extended so that it can be molded.

Note that reference numeral 82 in FIGS. 4 and 5 indicates a through hole provided in the side frame 65A, and a fixing bolt 83 is screwed into the molded product 50 through this through hole 82.

Further, reference numeral 84 is attached to the side frame 65B,
This is a temporary fixing bolt that is screwed into a nut that is integrally molded within the molded product 50.

Next, a method of molding a molded article using this embodiment will be explained with reference to FIGS. 7A to 7C.

As shown in FIG. 7A, in order to mold a large single panel-shaped molded product 50A-, the connectors 68 of the left and right side frames 65C and 65D in FIG. It is used with 81 removed.

In this state, the lower side frame 65A in FIG. 4 is fixed on the base 61 with the support 66, and the upper side frame 65B is positioned on the bed 61 by the action of a torsion coil spring (not shown). Furthermore, the left and right lead frames 65C and 65D are positioned on the bed 61 as shown by solid lines in FIG. 5, and a rectangular space is defined by these side frames 65A to 651).

Next, a molded product material such as cement milk is injected into the space defined by the side frames 65A to 55D to form a large molded product 50A, and in this state, the ped 6
1 is moved along the rails 63 onto a formwork lifting device (not shown).

The molded product 50A- during this movement [1 = + The left side surface in Figure 3 is held down by the locking mechanism and suppression mechanism of the formwork lifting device.

Then, the formwork lifting device is activated and the bed 61 is moved to the sixth position.
It is erected with the left side facing downward in the figure.

In this state, the support 66 is automatically or manually removed, and the side frame 65A is supported by the side frame receiving mechanism 2 provided in the formwork lifting device, and the other side frame 65B.

65C and 65D are moved automatically or manually in a direction away from each side of the molded product 50A, so that only the molded product 50A is supported in an upright state on the side frame 65A.

Next, the bed 61 side is lowered together with the pressing mechanism and locking mechanism while the side flails l and receiving mechanism of the formwork lifting device are held in their positions.

Thereafter, the side frame 65A remaining on the side frame receiving mechanism is taken out from the receiving mechanism together with the upright molded product 50A by a fork provided on the molded product unloading carrier, and transferred to the steam oven for main curing. is carried out,
Furthermore, the side frame 65A is removed to form the final molded product 50A.

In addition, as shown in FIG. 7B, in order to mold a medium-sized panel-shaped molded product 50B, the connectors 68 of the left and right side frames 65C and 65D in FIG. It is used with the bearing stand 80 and extension link 81 attached, and the manufacturing method is exactly the same as that for the large molded product 50A.

Furthermore, as shown in FIG. 7C, in order to mold two small panel-shaped molded products 50C at the same time, the present invention shown in FIGS. The partition device 10 is attached, and the connectors 68 of the left and right side frames 65C, 65D are used with the bearing stands 80 and extension links 81 removed.

In this state, molding is carried out through exactly the same steps as for the large molded product 50A, from injecting the molded product material until the bed 61 is erected and the three side frames 65B and 65D are removed. After the bed 61 is erected, the separation of the partition device 10 from each molded product 50C is performed.

This detachment work of the partition device 10 is performed as follows.

That is, by rotating the operating shaft 41 of the drive mechanism 40 in a predetermined direction using an appropriate means such as a spanner, the operating shaft 41
Threaded portion 41A.

The nut members 43 screwed onto 41B are moved away from each other in FIG.

As a result, the operating link 44 is rotated in a direction in which the inner angle thereof becomes smaller, so that the rainforest moving bodies 30 connected to each support column 22 via the link 26 are moved in a direction closer to each other, and each molded product 50C This will lead to a departure from this aspect.

Next, the bed 61 is laid down together with the detached partition device 10, and the both molded products 50C and the side frame 65A are transferred to the steam oven in the same manner as the large molded product 50A, and the side frame 65A is removed. The final molded product 50C is obtained.

Note that the fixing bolts 83 and temporary fixing bolts 84 that are screwed into the oak l-85 (see FIG. 7) integrally molded on each of the molded products 50A, 50B, and 50C are attached to the side frame 6.
When the side frame 65A is removed, the temporary fixing bolt 84 is removed and a hanging bolt (not shown) is attached in its place, and when the side frame 65A is removed, the fixing bolt 83 is removed.

In addition, the number of mounting holes 1-83 and 84, that is, the number of embedded nuts 85, is 4 on each side for the large molded product 50A, and 2 on each side for the medium and small molded products 5 (JB and 50C). It is considered as an individual.

Furthermore, in the state shown in FIG. By attaching a plurality of partition devices 10 to the beds 1-1, the dimensions of the molded product 50 can be made into other dimensions.

As described above, by simply attaching the partitioning device 10 of this embodiment to a predetermined position of the mold 60, molded products 50 of different sizes can be manufactured efficiently and at low cost using the same mold 10. can.

Furthermore, in the partitioning device 10 of this embodiment, since the movable body 30 is movable with respect to the main body frame 20, the outer surface of the movable body 30 can be easily peeled off from the side surface of the molded product 50.
There is no risk of damaging the molded product 50.

Furthermore, the drive mechanism 40 that drives the movable body 30 includes an operating shaft 41. Since it is composed of a nut member 43 and an operating link 44 that are screwed into the threaded parts 41A and 41B, the structure is simple and can be provided at low cost.
can be moved in parallel and simultaneously.

In addition, in implementation, the drive mechanism of the movable body may be a cylinder for fluid pressure work or a communication mechanism such as a combination of an electric motor and a feed screw shaft, but if the configuration of the above embodiment is used, the configuration will be simple as described above. There are advantages.

Further, the side frames in the mold are not limited to four that form a rectangle, but may be configured such that three or five or more side frames form a triangle or a polygon of pentagon or more.

In this case, the partitioning device may be arranged in any position, as long as the partitioning device can effectively separate the molded products.

According to this embodiment as described above, it is possible to provide a mold partitioning device that allows molded products of different sizes to be obtained using the same mold.

[Brief explanation of drawings]

FIG. 1 is a partially removed plan view showing an embodiment of a partitioning device according to the present invention, and FIGS. 2 and 3 are enlarged views of the arrows T' and I-11I in FIG. 1, respectively. A sectional view, FIG. 4 is a plan view showing an example of a mold to which the partitioning device of the present invention is applied,
FIG. 5 is a partially sectional front view, FIG. 6 is a partially sectional right side view, and FIGS. 7A to 7C are explanatory views of how to use this embodiment. 10... Partition device, 20... Body frame, 30... Moving body, 40... Drive mechanism, 41... Operation axis, 41A, 41B...
...Threaded part, 43...Nut member, 44...
...Operating link, 50.50A. 50B, 50C... Molded product, 60...
Molding mold, 61...Bed, 65.65A, 65
B, 65C. 65D...Side frame.

Claims (1)

[Scope of Claims] 1. A mold partition device that is attached to a mold in which a plurality of side frames are arranged on a bed to define a predetermined shape, the partition device being installed between predetermined side frames of the mold. A main body frame, a pair of movable bodies attached to both sides of the main body frame so as to be movable in different directions with respective protrusion amounts, and whose outer surfaces define the sides of the molded product, and these movable bodies relative to the main body frame. A mold partitioning device characterized by comprising a drive mechanism for moving a predetermined amount. 2. In claim 1, the drive mechanism comprises:
An operating shaft having threads in different directions on both ends, nut members screwed into the operating shaft and moved in opposite directions by rotation of the operating shaft, and these nut members and each movable body. 1. A forming mold partition device comprising links that are connected and move each movable body in opposite directions as the nut member moves.