JPH06270117A - Mold frame device - Google Patents

Abstract

PURPOSE:To obtain a mold frame device whose workability is improved without requiring much force for assembling by attaching engaging means to opposed two frame plates and providing connecting members for connecting being engaged with them, in a mold frame device having a plurality of frame plates and a bottom plate for supporting the frame plates. CONSTITUTION:Near upper parts of a pair of frame-like members 20a, 20b extending in the vertical direction of one end plate 2a in a mold frame device 1 in which concrete is to be injected, a support member 5 is inserted. Stop claws 6a, 6b are attached to both ends 5a, 5b. Both of them can be operated by an operation lever 13. A stop claw 6c is provided at other end plate 2b as well. Near an upper part of a side plate 3a, a connecting member 7 extending in the longitudinal direction is provided and engaging pieces 8a, 8b are fixed to both ends so as to be engaged detachably by the stop claws 6a, 6c. At a side of other side plate 3b, the same arrangement is made. Thus, when the operation lever 13 is operated, the stop claws 6a, 6c detach from the engaging pieces 8a, 8b, so that an engaged state is released.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a formwork device for casting concrete or the like to shape a product.

[0002]

2. Description of the Related Art A formwork device is formed, for example, in a box shape from a pair of facing end plates, a pair of facing side plates, and a bottom plate supporting each end plate and each side plate. Liquid concrete or the like is poured into such a frame device, cured with steam and solidified, and the product is shaped. After that, each gable plate and each side plate are disassembled in a developed state, and the modeled product is taken out. When the take-out is completed, the formwork apparatus is again assembled in a box shape, and the work is continued in the same manner.

[0003]

However, the formwork device is very heavy, and the above-mentioned conventional technique requires a large amount of force for assembling, which requires manpower and is poor in workability.

The object of the present invention is not to require great force,
An object of the present invention is to provide a formwork device with improved workability.

[0005]

SUMMARY OF THE INVENTION The present invention is a formwork apparatus including a plurality of frame plates and a bottom plate for supporting each frame plate. The first engagement is attached to one of two facing frame plates. Means, a second engaging means attached to the other frame plate, and a connecting member for engaging and connecting the first and second engaging means, respectively. Is.

Further, according to the present invention, in a formwork apparatus having a plurality of frame plates and a bottom plate for supporting each frame plate, a shaft support means for supporting each frame plate so as to be angularly displaceable with respect to the bottom plate. ,
A formwork apparatus comprising: a cushioning member for elastically supporting each frame plate.

Further, according to the present invention, in a formwork apparatus including a plurality of frame plates and a bottom plate supporting each frame plate, a pivotal support means for supporting each frame plate so as to be angularly displaceable with respect to the bottom plate. The frame device is characterized in that a regulating member for regulating the angular displacement of one of the two adjacent frame plates is provided on the other frame plate.

Further, according to the present invention, in a formwork apparatus provided with a plurality of frame plates and a bottom plate supporting each frame plate, the two frame plates are opposed to each other.
A formwork apparatus comprising two interlocking members connected to one frame plate and a reversing member for reversing the displacement direction of each interlocking member.

[0009]

According to the present invention, the formwork apparatus comprises a plurality of frame plates and a bottom plate supporting each frame plate. Concrete or the like is poured into such a mold device to mold the product. The first engaging means is attached to one of the two opposing frame plates, and the second engaging means is attached to the other frame plate. A connecting member engages with each of the first and second engaging means to connect the first and second engaging means to each other. Thereby, the frame plates facing each other can be attracted to each other and held.

Further, according to the present invention, each frame plate is supported by the pivotal support means so as to be angularly displaceable with respect to the bottom plate, and the cushioning member elastically supports each frame plate. Since the displacement of the frame plate is suppressed by the buffer member, sudden opening is prevented.

Further, according to the present invention, each frame plate is supported by the pivotally supporting means so as to be capable of being angularly displaced with respect to the bottom plate, and a regulating member is provided on the other frame plate of the two adjacent frame plates. It regulates the angular displacement of one frame plate. Thus, for example, when the other frame plate is to be closed, the angular displacement of the one frame plate to open is restricted, and the other frame plate tries to close, so that workability is good.

Further, according to the invention, the interlocking member is connected to each of the two facing frame plates, and the reversing member inverts the displacement direction of each interlocking member. Thereby, the two frame plates facing each other can be interlocked with each other in the facing direction.

[0013]

1 is a perspective view for explaining a formwork apparatus 1 according to an embodiment of the present invention, FIG. 2 is a front view of the formwork apparatus 1, and FIG. 3 is a left view of FIG. It is a side view of the closed formwork apparatus 1. For example, concrete U used for construction work
A formwork apparatus 1 used for manufacturing a groove is basically a pair of end plates 2a, 2b facing each other, a pair of side plates 3a, 3b facing each other, each end plate 2a, 2b and each side plate 3a, And a bottom plate 4 that supports 3b, and is formed in a box shape. The end plates 2a, 2b, side plates 3a, 3b, bottom plate 4
The mold 12 is inserted into the internal space s formed by to form a filling space in which concrete is to be filled.

The end plate 2a includes frame members 20a to 20d,
The plate-shaped member 9 and the frame-shaped members 20a to 20d are connected to each other at both longitudinal ends to form a frame shape, and the plate-shaped member 9 is fixed to the inner surface by welding. Of the frame-shaped members 20a to 20d, a pair of frame-shaped members 20a and 20b extending in the vertical direction is provided with a support member 5 that is inserted at a substantially right angle in the vicinity of the upper portion, and both end portions 5a and 5b are connected to each frame-shaped member 20.
It is fixed in a state of protruding from a and 20b.

An operating lever 13 and a locking claw 6a operated by the operating lever 13 are provided at one end 5a of the support member 5. A locking claw 6b is provided on the other end 5b of the support member 5 and is operated by the operating lever 13 together with the locking claw 6a.

The other end plate 2 facing the above end plate 2a
b has substantially the same configuration as the end plate 2a, and the frame-shaped member 20
a to 20d and a plate-shaped member 9, and the frame-shaped member 20a
-20d are connected to each other at both longitudinal ends to form a frame shape, and the plate member 9 is fixed to the inner surface by welding. Of the frame-shaped members 20a to 20d, the pair of frame-shaped members 20a and 20b extending in the longitudinal direction is a support member 5 that is inserted at a substantially right angle in the vicinity of the upper portion, and both ends 5c thereof project from the frame-shaped members 20a and 20b. It is fixed in the state where it was made. Locking claws 6c are provided at both ends 5c of the support member 5.

Near the upper part of one side plate 3a, connecting members 7 extending in the longitudinal direction are indicated by arrows A1 and A2 and arrow B.
It is provided so as to be displaceable in the 1 and B2 directions. An engaging piece 8a is fixed to one end of the connecting member 7 in the axial direction and is detachably locked by the locking claw 6a. Also, the connecting member 7
An engaging piece 8b is fixed to the other end in the axial direction of, and is detachably locked by a locking claw 6c.

As shown in FIG. 4, the vicinity of the engaging piece 8b is as follows.
A bracket 16 having a pair of side surfaces 16a, 16b is attached near the end of the side plate 3b close to the end plate 2b, and a through hole 17a formed in the side surfaces 16a, 16b.
Both ends of the engagement piece 8b are slidably fitted in the 17b.

Between the both ends of the connecting member 7, the free holes 11a, 11 of the guide members 10a, 10b fixed to the side plate 3a.
It is guided in a state of being freely displaceable in the directions of arrows A1, A2, B1 and B2 while passing through b.

Although one side plate 3a side is configured as described above, the other side plate 3b side is also configured similarly.

By angularly displacing the operating lever 13 provided at one end 5a of the support member 5 in the direction of arrow C1, the locking claw 6 is disengaged from the locking piece 8 and the locked state is released.

When the locked state is released as described above, the end plates 2a and 2b are angularly displaced in the arrow D1 and D2 directions, and the side plates 3a and 3b are angularly displaced in the arrow E1 and E2 directions.

FIG. 5 is a perspective view of a part of the formwork apparatus 1 for explaining the joining state of the side plate 3a and the bottom plate 4. As shown in FIG. A bracket 21 is fixed to the bottom plate 4, and a pair of ribs 22a and 22b are fixed to the bracket 21 by welding.
A bolt 23 is inserted into each of the ribs 22a and 22b and is prevented from coming off by a nut 24. The torsion spring 15 is inserted between the ribs 22a and 22b of the bolt 23,
One end of the torsion spring 15 elastically abuts the side plate 3a, and the other end of the torsion spring 15 has the bracket 21.
It is abutting elastically. With such a torsion spring 15, when the side plate 3a is angularly displaced in the arrow E1 direction and opened, a spring force acts in a direction opposite to the opening direction E1, and the angular displacement operation in the arrow E1 direction is performed. Suppressed.

Also, the side plate 3b and the bottom plate 4 are joined together in the same configuration as the side plate 3a and the bottom plate 4 are joined together, whereby the side plate 3b is angularly displaced in the direction of arrow E2. At the time of opening by opening, the spring force acts in the direction opposite to the opening direction E2, and the angular displacement operation in the arrow E2 direction is suppressed. In this way, when the locking claw 6 is disengaged from the locking piece 8 and the locked state is released, the side plates 3a and 3b are indicated by arrow E.
It is possible to prevent sudden opening in the 1 and E2 directions.

FIG. 6 is a perspective view of a part of the formwork apparatus 1 for explaining the joining state of the end plate 2a and the bottom plate 4. As shown in FIG. A bracket 26 is fixed to the bottom plate 4, ribs 27a to 27d are fixed to the bracket 26 by welding, and a pin 28 is inserted into each rib 27a to 27d.
Torsion springs 29a to 29 between the ribs 27a to 27d.
c are respectively inserted. One ends of these torsion springs 29 elastically contact the end plate 2a, and the other ends of the torsion springs 29 elastically contact the bracket 26. With such a torsion spring 29, when the end plate 2a is angularly displaced in the arrow D1 direction and opened, a spring force acts in a direction opposite to the opening direction D1 to suppress the angular displacement operation in the arrow D1 direction. To be done.

Further, the connection state of the end plate 2b and the bottom plate 4 also has the same structure as the above-mentioned connection state of the end plate 2a and the bottom plate 4, whereby the end plate 2b is angularly displaced in the arrow D2 direction. Upon opening, a spring force acts in the direction opposite to the opening direction D2, and the angular displacement operation in the arrow D2 direction is suppressed. In this way, when the locking claw 6 is disengaged from the locking piece 8 and the locked state is released, the end plates 2a and 2b are indicated by the arrow marks D1.
It is possible to prevent sudden opening in the D2 direction.

At the lower end of the frame-shaped member 20b of the end plates 2a and 2b in the longitudinal direction, a regulating member 30 extending toward the adjacent side plate 3a is provided (see FIG. 1). This regulation member 3
0 is formed by curving in a direction away from the side plate 3a as it goes to the side plate 3a side, whereby when the end plate 2a is angularly displaced in the direction opposite to the arrow D1 and is closed,
The side plate 3a can be closed in the opposite direction to the arrow E1 (see FIG. 3) by gradually pressing the guide roller 31 provided near the regulating member 30 on the side plate 3a. When the end plate 2a is closed in this way, the side plate 3 is interlocked with this.
a can be closed.

A regulating member 30 is also provided at the lower end of the frame-shaped member 20a in the longitudinal direction in the same manner as the frame-shaped member 20b described above, and a guide roller is provided at the other end of the side plate 3b in relation to the regulating member 30. 31 is provided.

Further, as shown in FIG. 6, a pair of supporting members 35a are provided downward from the lower end of the end plate 2a, and one end of the interlocking member 36 is sandwiched between the free ends of the pair of supporting members 35. Are pin-coupled. Further, with the same structure, one end of the interlocking member 37 is pinched by being pinched from the lower end of the end plate 2b to the free ends of the pair of support members 35b. The other end of the interlocking member 36 is angularly displaceable by a hinge pin 39 at one end of a reversing member 38 formed in a rod shape as shown in FIG. Further, the interlocking member 37
The other end of the above is provided on the other end of the reversing member 38 by a hinge pin 40 so as to be angularly displaceable. In this way, the interlocking members 36 and 37 and the reversing member 38 form a turning mechanism, and the turning mechanism is arranged below the bottom plate 4. As a result, the pulling and pressing directions are opposite to each other with the center of the reversing member 38 as the axis p. Note that the stoppers 41 and 42 are used to
Angular displacement in one direction is restricted. By the action of the deflection mechanism as described above, the end plate 2b is interlocked with the opening / closing operation of the end plate 2a.
Can be opened and closed.

Further, as shown in FIG.
The protrusion 43 is provided on the engagement piece 8a side. On the other hand, the side plate 3
A holding member 45 that holds both ends of the roller 44 is fixed to a and 3b. When the projection 43 comes into contact with the roller 44, it is guided by the roller 44 and the connecting member 7 is lifted up, so that the engaging piece 8a at the tip of the connecting member 7 is slightly lifted, and is engaged with the locking claw 6a. The stopping operation is performed smoothly.

Further, as shown in FIG. 9, a bracket 46 is fixed to the side surface of the bottom plate 4 below the side plates 3a and 3b by screws or the like, and a positioning bolt 48 is screwed to a screw member 47 provided on the bracket 46. The lock nut 49 is screwed so that the lock nut 49 can prevent the displacement thereof.
This makes it possible to easily adjust the restriction position of the opening angle of the side plates 3a and 3b.

In the formwork apparatus 1 having the above structure,
The assembling operation will be described. When the end plate 2a is closed, the end plate 2b is interlocked and closed by the action of the deflection mechanism arranged below the bottom plate 4. Further, when the end plates 2a and 2b are about to close, the regulating member 30 provided on the end plates 2a and 2b causes the side plate 3 to move.
The guide rollers 31 provided on a and 3b are gradually pressed to close the side plates 3a and 3b. After that, the operating lever 13
Is operated in the direction of the arrow Y1 as shown in FIG.
As shown in FIG. 1, the locking claw 6a provided on the one end 5a of the support member 5 is brought into contact with the guide piece 5d extending to the support member 5a to be guided to the engagement piece 8a of the connecting member 7 and engaged. To meet. At this time, in conjunction with this, the locking claw 6c engages with the engagement piece 8b. Further, the locking claw 6b provided on the other end 5b of the support member 5 is operated in accordance with the locking claw 6a,
The side plate 3b side also operates similarly to the side plate 3a side described above.

As described above, the formwork apparatus 1 is assembled only by operating the operation lever 13, so that the workability is good and the operability is good without requiring much force.

As another embodiment of the present invention, as shown in FIG. 12, in the reversing member 50, two rods 51 and 52 are overlapped with each other about a shaft 53 so as to intersect each other, and both ends of the rod 51 are hinge pins 54. Are coupled to the interlocking members 55 and 56 by means of, and both ends of the rod 52 are coupled to the interlocking members 57 and 58 by means of hinge pins 54. With this, the four end plates and the side plates can be simultaneously operated.

As another embodiment of the present invention, 2 in FIG.
Instead of the bar of the book, the reversing member 60 is formed in a disc shape as shown in FIG. The hinge pin is arranged on the reversing member 60 so that the interlocking member 61 and the interlocking member 62 are symmetrical with respect to the shaft 65 and the interlocking member 63 and the interlocking member 64 are symmetrical with respect to the shaft 65. Connected by 66.

As another embodiment of the present invention, as shown in FIG. 14, the reversing member 70 is a rod 7 formed in a semi-circular shape.
1, 72 are formed in a substantially X shape by the shaft 81, and one ends of the rods 73, 74, 75, 76 are connected to the respective ends by hinge pins 77. The other end of the rod 75 is connected to the interlocking member 78 by the hinge pin 77, and the other end of the rod 76 is connected to the interlocking member 79 by the hinge pin 77.
The other ends of the rods 73 and 74 are attached to the interlocking member 80 by the hinge pin 7.
Combined by 7. This makes it possible to interlock the three end plates and side plates.

[0037]

As described above, according to the present invention, the first engaging means attached to one of the two opposing frame plates and the second engaging means attached to the other frame plate are connected. Engage and connect the members. As a result, the opposite frame plates are attracted to each other and held. Therefore, the two frame plates can be engaged / disengaged at the same time, which improves workability.

Further, according to the present invention, each frame plate is supported by the pivotally supporting means so as to be freely angularly displaced, and this displacement is elastically suppressed by the buffer member, so that sudden opening is prevented and danger is avoided. can do.

Further, according to the present invention, the angular displacement of one of the two adjacent frame plates is restricted by the restriction member of the other frame plate. For example, if you try to close the other frame plate, the angular displacement of one frame plate to open will be restricted,
Since it tries to close along with the other frame plate, if only the other frame plate is operated, one frame plate can also be automatically operated, which saves labor and improves workability.

Further, according to the present invention, the two frame plates facing each other are composed of interlocking members connected to each other and reversing members for reversing the displacement direction of each interlocking member.
Since it can be displaced in conjunction with the opposing direction, the two frame plates can be operated in conjunction with each other, which improves workability.

[Brief description of drawings]

FIG. 1 is a perspective view for explaining a formwork apparatus 1 according to an embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a side view seen from the left side of FIG.

FIG. 4 is an enlarged perspective view of the vicinity of an engagement piece 8b.

5 is a perspective view of a part of the formwork apparatus 1. FIG.

FIG. 6 is a perspective view of a part of the formwork apparatus 1.

FIG. 7 is a bottom view of a part of the formwork apparatus 1.

FIG. 8 is a perspective view of a part of the formwork apparatus 1.

9 is a perspective view of a part of the formwork apparatus 1. FIG.

FIG. 10 is a front view of a part of the formwork apparatus 1 for explaining the assembling operation.

FIG. 11 is a front view of a part of the formwork apparatus 1 for explaining the assembling operation.

FIG. 12 is a partial bottom view of another embodiment of the present invention.

FIG. 13 is a partial bottom view of still another embodiment of the present invention.

FIG. 14 is a partial bottom view of still another embodiment of the present invention.

[Explanation of symbols]

 1 Formwork Device 2a, 2b Gable Plate 3a, 3b Side Plate 4 Bottom Plate 6 Engaging Claw 7 Connecting Member 8 Engaging Piece 13 Operating Lever 14, 15 Torsion Spring 30 Restricting Member 31 Guide Roller 36, 37 Interlocking Member 38 Inversion Member

Claims (4)

[Claims] 1. A formwork apparatus comprising a plurality of frame plates and a bottom plate for supporting each frame plate, wherein a first engaging means attached to one of the two frame plates facing each other and a first engaging means attached to the other frame plate. A formwork device, comprising: mounted second engaging means; and a connecting member for engaging and connecting the first and second engaging means, respectively. 2. A formwork apparatus comprising a plurality of frame plates and a bottom plate for supporting each frame plate, wherein a pivotal support means for supporting each frame plate with respect to the bottom plate so as to be angularly displaceable, and each frame. A formwork device comprising: a cushioning member for elastically supporting the plate. 3. A formwork apparatus comprising a plurality of frame plates and a bottom plate supporting each frame plate, wherein each frame plate is adjacent to a shaft support means for supporting the bottom plate in a freely angularly displaceable manner. A formwork device, wherein a regulating member for regulating the angular displacement of one of the two frame plates is provided on the other frame plate. 4. A formwork apparatus comprising a plurality of frame plates and a bottom plate supporting each frame plate, wherein two interlocking members connected to two opposing frame plates and a displacement direction of each interlocking member are reversed. A formwork device comprising: