JP3169710B2 - Firing container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for firing, and more particularly to a container for firing tiles for packing a tile body in a tile firing furnace.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Utility Model Publication No. 59-1200
As shown in the publication, two shelves parallel to the horizontal direction of a multi-stage shelf are provided, and a large number of tiles are erected and arranged on a support bar mounted on the shelf. Baking containers are known. This type of tile firing container supports a tile body at, for example, a longitudinal corner of a support rod formed into a prismatic shape so as to reduce the contact area between the support rod and the tile body. At the time of firing, the support rod slides on the shelf bar in the direction of thermal contraction in accordance with the thermal contraction of the tile substrate, thereby preventing deformation failure of the tile substrate.

[0003] Such a shelf bar of a tile firing container is generally held horizontally by attaching both ends of the shelf bar to side plates arranged at predetermined intervals. For example, in the firing container 30 shown in FIG. 12, one end of the shelf bar 33 is inserted into a through hole 32 formed at a predetermined position of the side plate 31, the groove 34 is fitted into the side plate 31, and the groove of the shelf bar 33 is formed. The fixing member 36 is fitted on the side opposite to 34. 13 (a) and 13 (b), one end opening 42a of the through hole 42 of the side plate 41 is locked to the step 43a of the shelf bar 43, and the other end opening 42b is connected to the side plate. The pin 4 on the side opposite to the step 43a of 41
4 for locking.

[0004]

However, according to such a conventional tile firing container, the shelf bar 33 is sandwiched in the width direction by the inner wall of the through hole 32 and the fixing member 36 in the container shown in FIG. Therefore, the gaps δ ₁ and δ _{2 in} the longitudinal direction of the shelf bar 33 between the groove side surface of the concave groove 34 and the side plate 31.
13 and the pin 44 and the step 43a are arranged in parallel to the side plate 41, so that the pin 44 and the step 43a are disposed between the step 43a and the side plate 41 or between the pin 44 and the side plate 41. Longitudinal gaps δ ₃ and δ _{4 of} shelf bar 43
Tends to occur. For this reason, according to the firing container as shown in FIGS. 12 and 13, the shelf bar is likely to rattle during transportation, etc., the whole shelf is shaken, the tile fabric is difficult to stabilize, and the quality of the fired product is likely to deteriorate. There's a problem.

The present invention has been made in order to solve such a problem, and it is intended to prevent rattling between a side plate and a shelf bar and to stably hold a tile substrate, thereby making uneven printing, uneven color, etc. It is an object of the present invention to provide a firing container capable of firing high-quality roof tiles with a small amount.

[0006]

A sintering container according to the present invention for solving the above-mentioned problems is provided with a side plate having a through hole and a second plate inserted into the front through hole and formed inside one wall of the side plate. A shelf bar having a first groove and a second groove formed outside the side plate wall, a stopper member that can be fitted in the first groove, and a wedge action on a slope formed in the second groove. And a wedge member for pressing the side plate and the shelf bar firmly.

The firing container is a container capable of loading a large number of tiles, and preferably has a structure having a wall spacer for connecting the upper and lower side plates and the side plates by fitting concave and convex portions. . The firing container preferably has a structure in which the shelf bar, the side plate, and the wall spacer are vertically stacked in a plurality of stages.

[0008]

According to the firing container of the present invention, when assembling,
The stopper member is fitted into the first groove of the shelf bar inserted into the through hole of the side plate, and then the wedge member is fitted into the second groove from the side opposite to the stopper member of the side plate. Then, the shelf bar is firmly fixed to the side plate by joining the slope of the wedge member and the slope of the second groove.

According to the firing container of the present invention, since the receiving rod, the side plate and the wall spacer that constitute the roof firing container are fitted to each other with the concave and convex portions, the structure is sufficiently resistant to swinging in the front-rear and left-right directions. have. In addition, the structure has a structure in which the joining force of the members is further increased by the weight of the tile body when it is placed. For this reason, the swing of the tile ground at the time of loading or unloading the tile foundation is reduced, the operability of the tile stacking is improved, and the work of taking out or incorporating the member at the time of replacing the member is facilitated.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. An embodiment of the present invention is shown in FIGS. As shown in FIG. 2, the firing container 1 on which the tiles are to be stacked has a lowermost shelf 2, an intermediate shelf 3, and an uppermost shelf 4 stacked in order. Side plates 5 made of a refractory material such as a refractory brick or a heat-resistant metal are arranged opposite to both ends of the shelves 2, 3, and 4. The upper and lower side plates 5 are connected by a wall spacer 140. The side plate 5 has a ventilation hole 6 and a hole 7 for attaching a shelf bar, and a hole 8 for attaching a pin holding bar is formed between the holes 7 for attaching a shelf bar. The shelf bar mounting hole 7 and the pin holding bar mounting hole 8 are formed in such a size that the shelf bar 9 can slide, and penetrate in a direction orthogonal to the side plate 5. Shelf bar 9
Further, both ends of the pin holding bar 10 are fitted horizontally and parallel to predetermined holes 7 for mounting the shelf bar and holes 8 for mounting the pin holding bar. A large number of holding pins 12 are attached to the pin holding rod 10 at predetermined intervals to prevent sticking and falling of the tiles.

As shown in FIG. 2, the shelf bar 9 has a groove 11 extending in the longitudinal direction formed on the top surface thereof.
1a is formed flat. Partition portions 11b extending in the longitudinal direction are formed at both ends in the width direction of the concave groove bottom surface 11a.
In the concave grooves 11 of the pair of parallel shelf bars 9, 9, for example, triangular prism-shaped support bars 15 that support the tile substrate 13 are mounted. Thereby, the contact area between the bottom surface of the tile body 13 and the support bar 15 is reduced, and the flow of the firing gas at the bottom of the tile body 13 is improved. The support rod 15 placed in the groove 11 in the longitudinal direction is slidable in the groove width direction.
It cannot exceed 1b. That is, this partition 1
1b prevents the support rod 15 from falling.

During firing, when the tile body 13 shrinks during firing, the support rod 15 moves in the shrinking direction of the tile body 13 while sliding on the concave groove bottom surface 11a due to the heat shrinkage. For this reason, the tile body 13 does not receive a load from the support bar 15 and the bottom surface of the tile body 13 is not damaged. As shown in FIG. 1, the firing container 1 has a wedge member 19 and a stopper member 20 in which the side plate 5 and the shelf bar 9 are made of metal or the like.
It is fixed using. The wedge member 19 and the stopper member 20 are fitted into outer concave grooves 21 and inner concave grooves 22 formed at both ends of the shelf bar 9 at predetermined intervals, and are arranged on both sides of the side plate 5.

As shown in FIG. 3, the wedge member 19 comprises a pair of legs 19a, 19a and a base 19b extending vertically between the legs 19a, 19a. Legs 19a, 1
9a is formed such that the thickness in the axial direction shown in FIG. 3A gradually decreases from the base 19b to the tip. The axial end faces 19e of the legs 19a, 19a are formed on the same plane as the end face 19f of the base 19b, and the end face 19g opposite to the end face 19e is formed on the end face 19b of the base 19b.
It is inclined so as to approach the end face 19e as it goes to the tip side of the legs 19a, 19a from the position connected to h. The inclination angle theta ₁ is set to, for example, about 10 ° to 15 °. Further, the thickness L ₂ of the height direction of the leg portion 19a, the width direction of 19a thickness L ₁ and the base 19b is set to be substantially equal.

As shown in FIG. 4, the stopper member 20
A pair of legs 20 formed to have the same width as the wedge member 19
a, 20a and a base 20b extending vertically between the legs 20a, 20a. The thickness of the legs 20a, 20a is constant in both the axial direction and the width direction. Legs 20
No inclined surface is formed on the axial end surfaces of a and 20a. Legs 20a, the thickness L ₄ of the height of the width direction of the thickness L ₃ and the base 20b of 20a is approximately equal to the thickness L ₁ and L ₂ of the wedge member 19.

As shown in FIG. 5, the outer concave groove 21 and the inner concave groove 22 formed at both ends of the shelf bar 9 are formed on the side surface of the shelf bar 9 at intervals shorter than the thickness of the side plate 5. . Outer groove 21
And the inner concave groove 22 penetrates in a direction orthogonal to the axial direction of the shelf bar 9. The outer concave groove 21 is formed on the leg 1 of the wedge member 19.
9a and 19a have a groove width that can be fitted therein, and the groove side surface on the tip end side of the shelf bar 9 is an inclined surface 21a that narrows the groove width from the top surface 9a of the receiving bar 9 to the bottom surface 9b. I have. The angle of inclination θ ₂ of the inclined surface 21 a is the end surface 1 of the wedge member 19.
9g are set to be equal to the inclination angle theta ₁ which forms. The groove depth of the outer concave groove 21 is determined by the leg portions 19a, 19a.
Smaller than the width direction of the wall thickness L _1.

The legs 20a, 2a
The inner concave groove 22 having a groove width capable of fitting 0a is formed substantially perpendicular to the axial direction of the shelf bar 9. The groove depth of the inner groove 22 is formed substantially equal to the groove depth of the outer groove 21. At the time of assembly, first, as shown in FIGS. 6 and 7, the shelf bar 9 is passed through the shelf bar mounting hole 7 of the side plate 5, and the leg portions 20 a, 20 a of the stopper member 20 are set in the inner concave groove 22. The fitting is performed from the surface 9a side. Next, the leg portion 19 a of the wedge member 19 is inserted into the outer concave groove 21 located on the side of the side plate 5 opposite to the stopper member 20.
19a is fitted from the top surface 9a side. In this case, the leg 19
The wedge member 19 is driven into the outer groove 21 so that the end faces 19 a of the a and 19 a face the side plate 5. Then, the end surface 19e of the wedge member 19 and the inclined surface 21a of the outer concave groove 21 slide and move toward the side plate 5 as the wedge member 19 moves downward, so that the side plate 5 is pressed toward the stopper member 20 and the stopper The side plate 5 is formed by the member 20 and the wedge member 19.
Are firmly clamped.

As described above, according to the firing container of this embodiment, the stopper member 20 and the wedge member 19 are connected to the shelf bar 9.
Further, since the shelf bar 9 is in close contact with the side plate 5, the shelf bar 9 is not displaced in the axial direction with respect to the side plate 5, and rattling of the shelf bar 9 is prevented, and the tile substrate can be stably held. In addition, when the kiln is moved into and out of the kiln, the sway of the shelves of the firing container is greatly reduced, so that the tiles 13 can be reliably prevented from being misaligned or dropped, and the yield can be improved.

Next, a connection structure between the side plate 5 and the wall spacer 140 will be described with reference to FIGS. 8 is a front view of the side plate 5, FIG. 9 is a view in the direction of the arrow IX shown in FIG. 8, FIG. 10 is a front view of the spacer for the wall, and FIG. 11 is a view in the direction of the arrow XI in FIG. . The side plate 5 is made of refractory brick and has a flat plate shape. A convex portion 129 is formed at the center of the top surface, and a convex portion 130 is formed at the center of the bottom surface. The convex portion 129 and the convex portion 130 are formed on the plate thickness direction sides opposite to each other with respect to the brick plate thickness. The convex portion 129 is a portion that fits into the concave portion 146 or the concave portion 148 of the wall spacer 140 shown in FIG. The convex portion 130 is a portion that fits into the concave portion 142 or the concave portion 144 of the lower wall spacer 140 shown in FIG. These uneven portions need not necessarily be provided at the center, and the number and direction can be set arbitrarily. A vent 6 for air circulation is formed at the upper center of the side plate 5, and the provision of the vent 6 reduces the weight of the side plate 5.
The shape and number of holes can be set appropriately. Further, two rectangular holes 7 for inserting a receiving rod are formed in a lower portion, and a rectangular hole 8 for inserting a pin holding rod 10 is formed in an intermediate portion thereof.

The horizontal direction of the wall spacer 140 in FIG. 10 corresponds to the front-back direction of the container. On the top surface of the wall spacer 140, concave portions 142, 1
44 are formed, and recesses 146 and 148 are formed on the bottom surface at positions opposite to the recesses 142 and 144 in the wall thickness direction. This is because the protrusions 130, 129 of the side plate 5 shown in FIGS. 8 and 9 are fitted into the recesses 142, 144, 146, 148, respectively, so that the assembling is securely fixed when stacked vertically. It is like that.
The upper convex portion 129 of the side plate 5 is fitted into the two concave portions 146 and 148 on the lower side of the wall spacer 140, and the two concave portions 142 on the upper side of the wall spacer 140, The lower convex portion 130 of the side plate 5 is fitted into the 144.

In this embodiment, the side plate 5 and the wall spacer 14
0 are alternately stacked in the vertical direction, and the shelf bars 9 and the pin holding bars 10 are attached to the holes 7 and 8 of the side plates 5 on both sides so as to straddle them, and a firing container is assembled. In addition,
In this embodiment, the wedge member is attached to the outer concave groove of the shelf bar. However, as another embodiment of the present invention, an inclined surface is formed in the inner concave groove, and the wedge member is fitted to the inner concave groove. It may be. Further, in the above-described embodiment, the shelf bar and the side plate are fixed using the stopper member and the wedge member, but the tile holding bar and the side plate for preventing the tile body from falling down using the stopper member and the wedge member. It may be fixed. In this case, an inner concave groove and an outer concave groove are formed at predetermined positions of the tile holding rod.

In the present embodiment, the side plate 5 and the wall spacer 140 are connected by the engagement of the concave and convex portions, and the engagement force in the concave and convex portions is increased by the gravity of these members. There is an effect that the container can be assembled by a simple assembling operation, and the members can be easily replaced.

[0022]

As described above, according to the firing container of the present invention, the side plate and the shelf bar can be firmly attached to the wedge member without rattling and the tile substrate can be stably held. In addition, there is an effect that the working efficiency is improved, and high-quality good firing can be performed.

Further, according to the present invention, since the side plate and the wall spacer are connected by fitting the concave and convex portions, there is an effect that components can be easily replaced and assembled.

[Brief description of the drawings]

FIG. 1 is a partial front view showing a firing container according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a firing container according to an embodiment of the present invention.

3A and 3B show a wedge member according to an embodiment of the present invention, wherein FIG. 3A is a side view and FIG. 3B is a front view.

4A and 4B show a stopper member according to an embodiment of the present invention, wherein FIG. 4A is a side view and FIG. 4B is a front view.

FIG. 5 shows a shelf bar according to an embodiment of the present invention.
(A) is a plan view and (b) is a side view.

FIG. 6 is a partially enlarged side view showing a portion A of the firing container shown in FIG. 1;

FIG. 7 is a sectional view taken along the line BB shown in FIG. 6;

FIG. 8 is a front view of a side plate according to an embodiment of the present invention.

9 is a view taken in the direction of the arrow IX shown in FIG.

FIG. 10 is a front view of a wall spacer according to an embodiment of the present invention.

11 is a view as seen in the direction of the XI line shown in FIG. 10;

FIG. 12 is a partial plan view showing a firing container according to a conventional example.

13 shows a firing container according to another conventional example, in which (a) is a partial plan view and (b) is a partial side view.

[Explanation of symbols]

 5 side plate 9 shelf bar 19 wedge member 20 stopper member 21 outer concave groove (second concave groove) 21a slope 22 inner concave groove (first concave groove) 129 convex portion 130 convex portion 140 wall spacer 142 concave portion 144 concave portion 146 concave portion 148 Recess

Claims (3)

(57) [Claims] 1. A container capable of being loaded with tiled ground, comprising: a side plate having a through hole; a first groove inserted into one front wall of the side plate and formed inside one wall of the side plate; A shelf bar having a second groove formed therein, a stopper member fittable in the first groove, and a wedge action pressed against a groove formed in the second groove, the side plate and the shelf A tile firing container, comprising: a wedge member for firmly joining a rod. 2. The tile firing container according to claim 1, further comprising a container capable of loading a large number of tiles, wherein the container includes a wall spacer for connecting the upper and lower side plates to each other by fitting an uneven portion. 3. The tile firing container according to claim 2, wherein the shelf bar, the side plate, and the wall spacer are vertically stacked in a plurality of stages.