JPH08177204A - Heat-insulating fire-resistant panel and connection structure thereof - Google Patents

Abstract

PURPOSE: To provide sufficient fire-resistance specifications even for a connection spot between heat-insulating fire-resistant panels having metallic skins a space between which is filled with a fire resistant core. CONSTITUTION: In the connection structure of a heat-insulating fire-resistant panel wherein a space between two metallic skins (a) and (b) is filled with fire-resistant cores C..., at the end parts on the connection side at which the panels are connected together, the end piece of the metallic skin (b) on the surface side is bent as a connection piece 42 in such a manner that the bent part faces the side end face of the fire- resistant core (c). A gap X is provided between the side end faces of the connection piece 42 and the fire-resistant core (c). Heat-insulating fire-resistant panels A and A are fixed to a backing F with a distance between the side end faces. Leg pieces H on both sides of a long connection tool G approximately in a U-shape in cross section and formed of a fire-resistant material are inserted in the gap X between the side ends of the heat-insulating fire-resistant panels A. A gap between connection pieces 42 and 42, facing each other, of the heat-insulating fire-resistant panels A and A is filled with a joint material J in such a manner as to reach a connection tool G.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-insulating refractory panel in which a fire-resistant core material is filled between two metal skins and a connecting structure thereof, and more specifically, it is attempted to provide a sufficient fire-resistant specification even at a connecting portion. It is related to technology.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 15, an adiabatic fireproof panel Aa in which a fireproof core material c is filled between two metal skins a and b has two metal skins a and b on its side end face. Bending is performed, and the bent pieces 42a and 42b are brought into contact with the side end surface of the refractory core material c.

[0003]

By the way, in the case where the bent pieces 42a and 42b are brought into contact with the side end surfaces of the fire-resistant core material c as described above, the heat-insulating fire-resistant panels Aa and Aa are used.
Is fixed to the base material F, and a fireproof joint material J is attached to the connection point.
Is to be filled. Therefore, only the fire-resistant joint material J exists at the panel connection point, and it is difficult to increase the fire resistance at the panel connection point, and the backup material for the joint material J does not exist. There was a problem that it was difficult to fill it well.

The present invention has been made in view of the above problems, and an object thereof is to maintain sufficient fire resistance in the connection of a heat-insulating refractory panel in which a fire-resistant core material is filled between metal skins. The present invention provides a heat-insulating fire-resistant panel and a connection structure thereof, which can be connected together and can be easily filled with a joint material.

[0005]

According to a first aspect of the present invention, there is provided an adiabatic fireproof panel in which a fireproof core material c ... Is filled between two metal skins a and b, and the end on the connection side for connecting the panels. In the section, the end piece of the metal crust b on the front surface side is bent as the connecting piece 42 so as to face the side end surface of the fire-resistant core material c,
It is characterized in that a gap X is formed between the connecting piece 42 and the side end surface of the refractory core material c.

In the second aspect, the two metal skins a,
In a connection structure of an adiabatic fireproof panel filled with a fireproof core material c ... Between b, the end piece of the metal skin b on the surface side is the side of the fireproof core material c at the connection side end portion for connecting the panels. It is bent as a connecting piece 42 so as to face the end surface, and a gap X is formed between the connecting piece 42 and the side end surface of the fireproof core material c. Fixed to the base material F, the leg pieces H on both sides of the long connecting tool G formed of a fireproof material having a substantially U-shaped cross section are inserted into the above-mentioned gap X at the side end of the heat insulating fireproof panel A, and the heat insulating fireproof. It is characterized in that the joint material J is filled to reach the connecting tool G between the connecting pieces 42, 42 facing each other of the panels A, A.

[0007]

In the gap X between the side end surface of the refractory core material c and the connecting piece 42 that faces the side end surface of the refractory core material c and is in series on the surface of the metal skin b, the leg piece of the connecting tool G having a substantially U-shaped cross section. Insert H. As a result, the metallic connector G is easily present between the heat-insulating refractory panels A, A to be connected. Then, the joint material J is easily filled on the surface side of the connector G as a backup material. In this way, the fireproof core material c is filled between the two metal skins a and b, and the fireproofness of the connection portion of the heat-insulating fireproof panels A and A is sufficiently enhanced by the metallic connector G. By using it, the filling of the joint material J is easily performed.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 2 and 3 are explanatory views of the production line of the heat-insulating refractory panel A. At the start end of the production line, uncoilers 2a and 2b serving as the feeding device 2 are provided above and below, and supplied from the uncoiler 2a above. The metal crust a on the hoop material is roll-formed on both side ends in the width direction by the first folding device 3 provided during conveyance. The molding shape is shown in FIGS. 7 and 8. Further, the metal skin b under the hoop material supplied from the lower uncoiler 2b has a punching portion 9 provided at the feed start end at both widthwise ends thereof.
At, the punching holes 8a and 8b are punched. As shown in FIG. 5, the punching holes 8a and 8b are used for cutting and separating the preceding panel body portion a and the succeeding panel body portion b, and at the cutting position of the line, as described below, The metal outer cover b is bent and finished.

Bending devices 3 and 3 are arranged at two locations during the transportation of the lower metal outer cover b, and the end holding means for holding a core material for holding a core material described later by these folding devices 3 and 3 is held. Pieces 1 and 1 are roll-formed. The end holding piece 1 serves as a panel connection piece 1a for connecting panels. The molding shape is shown in FIGS. A partial adhesive application device 10 is disposed on the downstream side of the folding devices 3 and 3, and the partial adhesive application device 10 partially applies the adhesive to both ends of the lower metal outer cover b in the width direction of the panel. Is applied. On the downstream side of the partial coating device 10, insertion portions 21 are arranged at both end portions in the width direction of the panel, and in the insertion portion 21, hard refractory core materials c and c made of calcium silicate are inserted. Is done. The refractory core material c is composed of an inorganic fiber material d of rockwool material arranged in the central portion in the width direction of the panel and an inorganic material e of calcium silicate arranged in both end portions in the width direction of the panel. Is.
Then, the adhesive is applied by the partial application device 10 to both widthwise end portions of the lower metal skin b, and strip-shaped inorganic materials e, e of calcium silicate that are long in the feeding direction of the metal skin b are applied to the application locations. It is loaded so that it can be glued.

A loading device 4 is disposed behind the calcium silicate insertion portion 21, and a refractory core formed of a rockwool material between the calcium silicate inorganic materials e, e at both ends in the width direction of the panel. Material c ... Can be loaded. Such rock wool inorganic fiber material d
.. is loaded between the inorganic materials e and e of calcium silicate, and the loading device 4 sets the fiber direction of the inorganic fiber material d in the thickness direction of the panel and loads it between the metal skins a and b. The configuration will be described in detail below.

As shown in FIG. 9, a cutting device 6 for cutting rock wool into strips is provided with a roller conveyor 11 for receiving at the starting end thereof, and stacks plate-like inorganic fiber boards D for standby. I am allowed to do it. A transfer machine 12 is arranged at the terminal end of the roller conveyor 11 so that one inorganic fiber board D transferred from the roller conveyor 11 can be moved and fed. A slitter 13 that constitutes a main part of the cutting device 6 is arranged at the end of the transfer machine 12 in the transfer direction, and the fiber direction of the slitter 13 is a horizontal direction orthogonal to the feeding direction of the metal outer skins a and b. The inorganic fiber board D oriented in the lateral direction is divided in a direction orthogonal to the fiber direction so that several strip-shaped inorganic fiber materials d ... Can be cut and separated.

At the downstream portion of the slitter 13, a conveyor 61 having a stopper 14 is arranged.
The strip-shaped inorganic fibrous materials d ... Received in step 2 can be transported in the horizontal lateral direction substantially orthogonal to the production line as shown by the arrow. Conveyor 61
A reversing device 7 is arranged at the terminal end of the reversing device 7. In the reversing device 7, each strip-shaped inorganic fiber material d transferred by the conveyor 61 is rotated by, for example, the reversing bar 15 to remove the inorganic fiber material d by 90. It is rotated so that the fiber direction is oriented vertically.

Adjacent to the reversing device 7, the feed conveyor 1
6, a side guide 22 and an elevating stopper 23 are provided, and the feed conveyor 16 collects several strip-shaped inorganic fiber materials d .. It can be transferred to the infeed conveyor 17. The feed-in conveyor 17 is composed of a horizontal portion 18 and an inclined portion 19, and conveys several bundled inorganic fiber materials d ..., Above the production line and downstream along the production line, and The calcium silicate inorganic materials e, e already attached with an adhesive on the lower metal skin b continuously fed in the production line while being made to flow down in the inclined portion 19.
It can be loaded in the meantime. in this case,
The tip of the inorganic material e ... Is brought into contact with the preceding inorganic material e .. By such packing, it is possible to avoid aligning the abutting edges 20 of the inorganic fiber materials d and d in a straight line in the width direction of the panel and shift the abutting edges 20, so that a portion of the product having a weak bending strength is I try to avoid it from happening.

Inorganic fiber material d of such rock wool
An adhesive application device 24 is provided upstream of the insertion point into the lower metal skin b so that the adhesive can be applied to both upper and lower surfaces of the upper and lower metal skins a and b in advance. There is. As shown in FIG. 10, the adhesive applying device 24 is
When the coating nozzle 25 is brought into contact with the metal skin b to be conveyed, the coating nozzle 25 is slightly retracted from the metal skin b by receiving the spray pressure of the adhesive sprayed at a predetermined pressure from the nozzle hole 26. It is formed on the surface of the coating nozzle 25 and the coating nozzle holding means 27 that forms a slight gap E with respect to the outer cover b, and the adhesive in the gap is evenly leveled so that the adhesive is planar on the metallic outer cover b. And a roll-shaped leveling section 28 for applying to the. In the figure, 29 is a cylinder, 30 is a spring, and 31 is a receiving roll.

According to such an adhesive application device 24,
The coating nozzle 25 is brought into contact with the upper or lower metal skin b,
With the pressure received due to the adhesive spouting from the nozzle hole 26 being received by the metal outer cover b and the receiving roll 31,
The coating nozzle 25 retreats from the metal outer cover b and forms a predetermined gap E between the metal outer cover b and the metal outer cover b due to the ejection pressure. The adhesive ejected from the nozzle hole 26 in the gap E is formed in the application nozzle 25 in a roll-shaped leveling portion 28.
In step (2), the metal outer cover (b) is applied evenly over a surface and at a thickness corresponding to the gap E. An adhesive is also applied to the upper metal skin a in the same manner. In this way, the application nozzle 25 is retracted from the metal skins a and b by the pressure received due to the pressure of ejecting the adhesive to form the gap E, and the adhesive is leveled in the gap E. By coating the metal outer skins a and b with each other, the lower surface of the upper metal outer skin a and the upper surface of the lower metal outer skin b that are conveyed can be well coated. Then, by changing the pressure at which the adhesive is ejected from the nozzle hole 26, the gap E at which the coating nozzle 25 separates from the metal outer skins a and b is changed due to the adhesive being jetted onto the metal outer skins a and b. However, the setting of the thickness of the adhesive is easily changed. Such an adhesive applying device 24 can be modified in various ways.

A guide roll (not shown) is provided in the downstream portion of the adhesive applying device 24, and an upper molding die 34 and a lower molding die 35 as the molding device 5 are provided in the downstream portion of the guide roll. It is formed in the form of a double conveyor which is rotatable like a conveyor. The design of such a molding device 5 can be changed in various ways. The cutting means 4 is provided downstream of the molding device 5.
As shown in FIG.
At the cutting position L in (a) and FIG. 14 (a), the upper and lower metal shells a, b and the refractory core material c are cut by the upper and lower circular saws 39, 40. Furthermore, FIG.
As shown in FIGS. 14A and 14C, the cutting and removing means 4
A pair of circular saws 41, 41 are arranged as 4 so that the upper metal skin a and the refractory core material c ... Do not reach the lower metal skin b at the position R which is located in front of and behind the cutting position L. It is cut so that it can be removed (see FIG. 14D). In removing the unnecessary portion of the refractory core material c ..., the release agent is applied in advance in the entire area between the punching holes 8a and 8b by the coating device 46, and the unnecessary portion can be easily removed. It is designed to In this case, release paper may be attached instead of the release agent. Then, the refractory core material c of the unnecessary portion
.. are removed and left at the end portions of the metal outer skins a and b by an end face bending machine 37 incorporated in the line, as shown in FIG.
The connecting piece 42, the size of which is its width, is bent at the position P where the refractory core material c has been removed to obtain the heat-insulating refractory panel A, and the product is delivered by the delivery roller conveyor 38. In the figure, c and d are circular saws 41,
The removed part by 41 is shown.

By the way, as shown in FIG. 12, a bending machine 37 as a bending means 45 for bending the side end surface 42 is incorporated in a production runner to connect the connecting piece 42 at the front and rear ends of the cut panel body C. It can be folded. Hereinafter, the configuration will be described in detail. An elevating unit 48 including a positioning pusher 49 and a feed conveyor 50 is provided between the front and rear conveyors 47a and 47b so as to be vertically movable by a cylinder 51. Pusher 4
A cylinder 52 is configured so that the front and rear positions thereof can be changed. Then, when the panel body C, which is cut to a predetermined size and the required amount of the refractory core material c is removed at its end, is conveyed to the terminal end of the conveyor 47a, the cylinder 51
The raising / lowering section 48 is raised by and the pusher 49 is moved by the cylinder 52 to abut the front end portion of the panel body C so that the panel body C can be positioned. In this case, the side end position of the panel body C is also positioned.

A bender 58 is provided at the front and rear of the elevating part 48 and at the lower part thereof so that the bent piece 55 can be bent at the hinge with respect to the fixed plate 54 by extending the cylinder 53. . A clamper 56 and a retainer 57 are arranged above the bender 58 so as to be movable up and down. Then, the front end portion of the panel body C positioned by the pusher 49 is pressed and held by the lowered clamper 56, and the pressing tool 5
7, the pressing tool 57 presses the bending position P of the lower metal skin b, and the cylinder 53 of the bender 58 extends to bend the bending piece 55 at the hinge.
The lower metal skin b is bent so that the connecting piece 42 can face each other by forming a slight gap X in the side end surface of the refractory core material c. Such a gap X is used for connecting the heat-insulating refractory panels A, A. Hereinafter, the connection structure of the heat insulating refractory panels A and A will be described.

That is, as shown in FIG. 1, one of the heat-insulating refractory panels A, A to be connected is fixed with a bolt L to a base material F constructed as a vertical furring strip, for example. And
The side end surfaces of the fixed heat-insulating refractory panel A and the surface side of the base material F are pressed to fill the insulation material K with, for example, ceramic fibers. Further, the gap X at the side end of the heat-insulating refractory panel A to which the leg pieces H on both sides of the long connecting tool G made of a metal channel material having a substantially U-shaped cross section are fixed.
To insert. Then, the gap X of the heat-insulating fireproof panel A to be connected is engaged with the other leg piece H of the connector G,
This connected adiabatic fireproof panel A is used as a base material F with bolts L
Fix at.

As described above, in the gap X between the side end surface of the refractory core material c and the connecting piece 42 that faces the side end surface and is continuous with the metal skin b on the surface, a connector having a substantially U-shaped cross section. By inserting the leg piece H of G, the metallic connecting tool G is easily made to exist between the heat insulation fireproof panels A and A to be connected. Then, the joint material J is easily filled on the surface side of the connecting tool G as a backup material.

By the way, cutting means such as the feeding speed of the feeding device 2 for the metal outer skins a and b, the conveying speed of the molding device 5 of the double conveyor 33 for filling the refractory core material c between the upper and lower metal outer skins a and b, etc. Line speed up to 43 is about 3m
/ Min, and after being cut by the cutting means 43, the panel body part a from which the refractory core material c at the cutting position L has been removed is bent at a high speed of about 40 m / min on the feed conveyor. The panel body C is stopped by the bending means 45 and is bent at a slow speed.

[0022]

According to the first aspect of the present invention, there is provided a heat-insulating refractory panel in which a fire-resistant core material is filled between two metal skins, the end of the metal skin on the front side being at the end of the connection side connecting the panels. Since the piece is bent as a connecting piece so as to face the side end surface of the fire-resistant core material, and a gap is formed between the connecting piece and the side end surface of the fire-resistant core material, the piece faces the side end surface of the fire-resistant core material and By inserting the leg pieces of the connecting tool having a substantially U-shaped cross section into the gap between the connecting piece that is a series of metal skins on the surface, it is easy to install the metallic connecting tool between the heat-insulating fireproof panels. It can be made to exist, and this joint can be used as a backup material to easily fill the joint with the joint material on the surface side. Use a metallic connector to sufficiently increase the fire resistance of the connection point. There is an advantage that by using the connector also filling grouting easily.

According to a second aspect of the present invention, there is provided a connection structure for an adiabatic refractory panel in which a fireproof core material is filled between two metal skins, and the end of the connection side for connecting the panels has a metal skin on the front surface side. The end piece is bent as a connection piece so as to face the side end surface of the fire-resistant core material, and a gap is formed between the connection piece and the side end surface of the fire-resistant core material. Separately fixed to the base material, the leg pieces on both sides of the long connecting tool made of refractory material with a substantially U-shaped cross section are inserted into the gaps on the side edges of the heat-insulating fire-resistant panel, and the opposite connection of the heat-insulating fire-resistant panel is performed. Since the joint material is filled between the pieces, the joint material has the same effect as the first aspect.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a connection portion of an adiabatic fireproof panel, showing an embodiment of the present invention.

FIG. 2 is a schematic explanatory view showing a production line of the above-mentioned embodiment.

FIG. 3 is a schematic explanatory view showing the above production line.

4 (a) and 4 (b) are broken perspective views showing a bent shape at an end portion in a width direction of a lower metal outer cover.

FIG. 5 is a cutaway perspective view showing a punching hole formed in the same metal skin.

FIG. 6 (a) is a perspective view showing a relationship between a bent shape of a lower metal outer cover and a punching hole, and FIG. 6 (b) is a plan view of the punching hole.

FIG. 7 is a perspective view of an end portion of the above-described heat-insulating fire-resistant panel.

FIG. 8 is a cross-sectional view showing a joined state of the above heat-insulating refractory panel.

9A and 9B show the above-described apparatus for loading a refractory core material, wherein FIG. 9A is a schematic plan view for explaining the operation, and FIGS. 9B and 9C are partial side views.

FIG. 10 shows the application action of the above adhesive, (a)
(B) (c) is sectional drawing.

FIG. 11 shows the above cutting device, (a) is a schematic side view, (b) is an explanatory view showing the action, (c) is a front view showing a circular saw for cutting the upper and lower metal skins, (d) [Fig. 4] is a front view showing a circular saw for cutting the upper metal skin and the refractory core material.

FIG. 12 is a schematic side view showing the above-mentioned bending means, with some parts omitted.

13 (a), (b) and (c) are explanatory views showing the bending action of the same.

FIG. 14 shows a production process of one embodiment of the above, and (a) to (e) are schematic explanatory views.

FIG. 15 is a sectional view of a conventional example.

[Explanation of symbols]

 a Metal skin b Metal skin c Fireproof core material A Insulating fireproof panel F Base material G Connection tool H Leg piece J Joint material X Gap 42 Connection piece

Claims (2)

[Claims] 1. A heat-insulating refractory panel in which a fire-resistant core material is filled between two metal skins, and the end piece of the metal skin on the surface side is made of the fire-resistant core material at the end portion on the connection side for connecting the panels. An adiabatic refractory panel, which is bent as a connecting piece so as to face the side end surface, and a gap is formed between the connecting piece and the side end surface of the fireproof core material. 2. A structure for connecting a heat-insulating refractory panel in which a fire-resistant core material is filled between two metal skins, wherein the end piece of the metal skin on the surface side is fire-resistant at the end portion on the connection side for connecting the panels. It is bent as a connecting piece so as to face the side end surface of the core material, and a gap is formed between the connecting piece and the side end surface of the fireproof core material. The leg pieces on both sides of a long connecting tool which is fixed to, and is made of a refractory material with a substantially U-shaped cross section are inserted into the above-mentioned gaps at the side ends of the heat-insulating fire-resistant panel, and between the opposing connection pieces of the heat-insulating fire-resistant panel. A connection structure for a heat-insulating fire-resistant panel, characterized in that the joint is filled with a joint material.