JP2816101B2 - Method and apparatus for manufacturing insulated fireproof panel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for manufacturing an insulated fireproof panel, and more particularly, to a prior art panel body portion for continuously producing an insulated fireproof panel in which an inorganic core material is filled between metal shells. The present invention relates to a technique for easily removing an inorganic core material at a panel edge finishing portion at a cutting position between a panel body portion and a subsequent panel body portion, thereby improving productivity.

[0002]

2. Description of the Related Art Conventionally, an inorganic core material c is provided between metal shells a and b.
As shown in FIG. 15, in the manufacture of the insulated fireproof panel A for filling the upper and lower metal shells a and b, the inorganic core material c is filled and held between the metal shells a and b. To produce a long panel body B. Thereafter, the preceding panel body part A and the succeeding panel body part B are cut by such circular cutting means 43, and at this cutting position, these panel bodies B are cut. The inorganic core material c is removed up to a position R which is farther forward and backward than the cutting position L of the parts a and b,
Then, at the removed position P, the upper and lower metal shells a and b are bent to form a side end piece 42 on the side end surface of the inorganic core material c.
It abuts as.

[0003]

As described above, removing the inorganic core material c between the metal shells a and b at the cutting position is troublesome, and a large amount of the inorganic core material c is removed. This is an operation of peeling off from the metal outer shells a and b by hand or the like, and there is a problem that productivity is low.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a prior art panel for continuously producing an insulated fireproof panel in which an inorganic core material is filled between metal shells. An object of the present invention is to provide a method and an apparatus for manufacturing an insulated fireproof panel that can easily remove an inorganic core material at a cutting position between a body part and a subsequent panel body part and can increase productivity.

[0005]

According to the first aspect of the present invention, there is provided a method of manufacturing an insulated fireproof panel wherein an inorganic core material c is filled between upper and lower metal shells a and b. a, b are continuously fed out and the upper and lower metal skins a,
b, the inorganic core material c is filled between the metal sheaths a and b to form a long panel body B, and then the long panel body B
Is cut and separated into a preceding panel body part A and a succeeding panel body part B, and at a position R which is separated from the cutting position L of the panel body parts A and B by a distance R, one metal skin b is left. The metal shell a and the inorganic core material c are cut, and the metal shell a and the inorganic core material c between the metal shells a and b are removed by moving the metal shell a further forward and backward from the position R apart from the front and rear.
At the position P where the inorganic core material c has been removed, the upper and lower metal shells a and b are bent to form a side end piece 4 on the side end surface of the inorganic core material c.
2 as opposed to each other.

According to a second aspect of the present invention, a release material is provided in advance at a location where the inorganic core material c is removed. 4. The apparatus for manufacturing a heat-insulated fireproof panel according to claim 3, wherein an inorganic core material c .. is filled between upper and lower metal shells a and b, wherein the metal shells a and b of a hoop material are provided.
And a means for filling the inorganic core material c between the metal shells a and b by bringing the upper and lower metal shells a and b close to each other, a preceding panel body part A and a subsequent panel body part And a cutting position L between the preceding panel body part A and the succeeding panel body part B.
At a position R farther forward and backward than one of the metal skins b
Cutting and removing means 44 for cutting and removing the other metal sheath a and the inorganic core material c while leaving the metal sheath a and the inorganic core material c between the metal sheaths a and b further to the front and rear than the position R which is separated back and forth.
And a bending means 45 that bends the upper and lower metal shells a and b at the removed position P and faces the side end surface of the inorganic core material c as the side end piece 42. It is assumed that.

According to a fourth aspect of the present invention, there is provided a release material attaching device 46 for attaching a release material at a position where the inorganic core material c is removed.

[0008]

According to the first aspect, the preceding panel body portion and the succeeding panel body portion are cut and separated. At a position R that is farther forward and backward than the cutting position L, the other metal outer skin a and the inorganic core material c are cut and removed while leaving the one metal outer skin b, and furthermore than the above-mentioned forward and backward remote position R. Then, the inorganic core material c between the metal outer layers a and b is removed. Then, at the position P where the inorganic core material c has been removed, the upper and lower metal outer shells a and b are bent to face the side end surfaces of the inorganic core material c as side end pieces 42. Compared with the conventional method of removing a large amount of the inorganic core material c from between the metal skins a and b having the same length, the operation of removing the inorganic core material c is easily performed. Increase productivity.

In the second aspect, a release material is provided in advance at a location where the inorganic core material c is to be removed. Inorganic core material c
Removal becomes easier. In claim 3, the cutting means 4 cuts the preceding panel body part A and the succeeding panel body part B.
Cut at 3. At a position R that is farther forward and backward than the cutting position L, the other metal outer skin a and the inorganic core material c are cut and removed by the cutting and removing means 44 while leaving one metal outer skin b. The inorganic core material c between the metal sheaths a and b is removed by the removing means so as to be further forward and backward than the position R which is separated forward and backward. At the removed position P, the upper and lower metal shells a and b are bent by bending means 45 to form an inorganic core material c.
As a side end piece 42. Compared with the conventional method of removing a large amount of the inorganic core material c from between the metal skins a and b having the same length, the operation of removing the inorganic core material c can be easily performed, and the productivity is improved.

According to a fourth aspect of the present invention, there is provided a release material attaching device for attaching a release material to a position where the inorganic core material is removed, and the removal of the inorganic core material is further facilitated by the release material.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. 2 and 3 are explanatory views of a production line for the heat-insulated fireproof panel A. At the start end of the production line, uncoilers 2a and 2b are provided above and below as a delivery device 2, and supplied from the upper decoiler 2a. The upper metal cover a is roll-formed at both ends in the width direction by the first bending device 3 provided in the middle of the conveyance. The molding shape is shown in FIG. 7 and FIG. The lower metal shell b supplied from the lower uncoiler 2b has a punching hole 8 formed in a punching portion 9 provided at the feed start end at both ends in the width direction.
a and 8b are punched. Such punched holes 8a, 8b
As shown in FIG. 5, is used for cutting and separating the preceding panel body part A and the following panel body part B, and at the cutting position of the line, as described later, bends and finishes the lower metal skin b. Is what you do.

Bending devices 3 and 3 are provided at two places in the middle of the transport of the lower metal sheath b, and end holding pieces for holding a core material to be described later in these bending devices 3 and 3. 1,1 is roll formed. This end holding piece 1 serves as a panel connecting piece 1a for connecting a panel. The molded shape is shown in FIGS. An adhesive partial application device 10 is disposed downstream of the folding devices 3 and 3, and the adhesive is partially applied to both ends of the lower metal skin b in the width direction of the panel by the partial application device 10. Applied. Downstream of the partial coating apparatus 10, insertion portions 21 are provided at both ends in the width direction of the panel. In the insertion portions 21, hard inorganic core materials c, c formed of calcium silicate are inserted. It is like that. Thus, the adhesive is applied to the both ends in the width direction of the lower metal sheath b by the partial coating device 10, and a strip-shaped calcium silicate inorganic core material c, c is loaded and allowed to adhere.

A loading device 4 is disposed behind the calcium silicate insertion portion 21. The inorganic core material is formed of rock wool material between the calcium silicate inorganic core materials c at both ends in the width direction of the panel. .. can be loaded. Incidentally, the inorganic core material c is composed of the inorganic fiber material d of the rock wool material disposed at the center in the width direction of the panel and the inorganic material e of calcium silicate disposed at both ends in the width direction of the panel. It is composed. The loading device 4 for loading the rock wool inorganic fiber material d .. between the calcium silicate inorganic materials e, e
The fiber direction of the inorganic fiber material d is set to the thickness direction of the panel, and the inorganic fiber material d is loaded between the metal outer shells a and b.

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 its starting end, and stacks plate-like inorganic fiber plates D and waits. It is made to let. A transfer machine 12 is disposed at the end of the roller conveyor 11 so that one inorganic fiber board D transferred from the roller conveyor 11 can be moved and fed. At the end of the transfer machine 12 in the transfer direction, a slitter 13 which constitutes a main part of the cutting device 6 is disposed, and the fiber direction of the slitter 13 is horizontal to the feed direction of the metal sheaths a and b. The inorganic fiber board D oriented in the horizontal 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.

A conveyor 61 provided with a stopper 14 is disposed downstream of the slitter 13.
The strip-shaped inorganic fiber material d .. received at the step (a) can be transported in a horizontal and transverse direction substantially orthogonal to the production line as shown by an arrow. Conveyor 61
A reversing device 7 is disposed at the end of the device. In the reversing device 7, each of the strip-shaped inorganic fiber materials d transferred by the conveyor 61 is turned into 90 mm by rotating the reversing bar 61, for example. The fiber direction is turned up and down by rotating by °.

Adjacent to the reversing device 7, the feed conveyor 1
6, side guides 22 and lifting stoppers 23 are provided, and several (five in this embodiment) strip-shaped inorganic fiber materials d whose fiber directions are vertically adjusted by the feed conveyor 16 are collectively collected. It can be transferred to the infeed conveyor 17. The infeed conveyor 17 is composed of a horizontal portion 18 and an inclined portion 19, and transports the combined several inorganic fiber materials d .. above the production line and downstream along the production line, and While falling in the inclined portion 19, the inorganic material e, e of calcium silicate already attached with an adhesive on the lower metal skin b continuously fed in the production line.
It can be loaded in between. in this case,
The tip of the inorganic material e... Is brought into contact with the preceding inorganic material e. By such stuffing, in the width direction of the panel, the butting edges 20 of the inorganic fiber materials d, d are prevented from being aligned in a straight line, and by shifting the butting edges 20, a portion having low bending strength in the product can be formed. It is designed to avoid this.

Such rock wool inorganic fiber material d
An adhesive applying device 24 is provided at an upstream portion of the insertion point into the metal outer skin b below, so that the adhesive can be applied to both upper and lower surfaces of the upper and lower metal outer skins a and b in advance. It is. As shown in FIG. 10, the adhesive application device 24 includes:
When the application nozzle 25 is brought into contact with the conveyed metal skin b, the application nozzle 25 is slightly receded from the metal skin b by receiving the ejection pressure of the adhesive ejected from the nozzle hole 26 at a predetermined pressure. A coating nozzle holding means 27 for forming a slight gap E with respect to the outer skin b; and an adhesive formed on the surface of the coating nozzle 25 to evenly spread the adhesive in the gap and apply the adhesive to the metal outer skin b in a planar manner. And a roll-shaped leveling section 28 for applying the liquid on the surface of the sheet. 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 application nozzle 25 is brought into contact with the lower metal skin b, and the adhesive ejected from the nozzle hole 26 is applied to the metal skin b and the receiving roll 3.
The application nozzle 25 recedes from the metal sheath b by the receiving pressure caused by being received at 1, and forms a predetermined gap E with the metal sheath b due to the jet pressure. The adhesive ejected from the nozzle hole 26 in such a gap E is applied to the metal outer surface b in a roll-like equalizing portion 28 formed in the application nozzle 25 in a planar manner and at a thickness corresponding to the gap E. I do. An adhesive is similarly applied to the upper metal sheath a. As described above, the application nozzle 25 is caused to receive the metal sheath a, by the receiving pressure caused by the pressure for ejecting the adhesive.
b, the gap E is formed, and the adhesive is leveled in such a gap E and applied to the metal outer shells a, b, so that the upper and lower surfaces of the upper and lower metal outer shells a, b being conveyed are formed. Can be applied well. Then, by changing the pressure at which the adhesive is ejected from the nozzle hole 26, the gap E at which the application nozzle 25 separates from the metal sheaths a and b is changed due to the fact that the adhesive is ejected to the metal sheaths a and b. Then, the setting of the thickness of the adhesive is easily changed. Such an adhesive application device 24 can be variously changed in design.

A guide roll (not shown) is provided at a downstream portion of the adhesive applying device 24. An upper forming die 34 and a lower forming die 35 are formed as a forming device 5 at a downstream portion of the guide roll. It is formed in the form of a double conveyor rotatable in a conveyor shape. Such a molding device 5 has a known configuration. A cutting means 4 is provided downstream of the molding device 5.
A cutting machine 36 in the form of a circular saw as shown in FIG.
At the cutting position L in FIG. 4 (a) and FIG. 4 (a), the upper and lower circular saws 39, 40 cut the upper and lower metal shells a, b and the inorganic core material c. Further, FIG.
As shown in FIG. 1A and FIG. 11, a pair of circular saws 41, 41 are arranged as cutting and removing means 44, and as shown in FIG. 1C and FIG. At a position R which has entered the front and rear, the upper metal sheath a and the inorganic core material c are cut so as not to reach the lower metal sheath b and can be removed (see FIG. 1D). ). Thereafter, the hatched portion shown in FIG. 1E is cut and removed by a removing means (not shown) such as a cutter knife. When removing such an unnecessary portion of the inorganic core material c, the release agent is applied in advance by the release material attaching device 46.
This is performed in the entire area between the punching holes 8a and 8b by the coating device as described above, so that unnecessary portions can be easily removed. In this case, release paper may be stuck instead of the release agent. Then, the metal sheath a, which is left after the unnecessary portion of the inorganic core material c is removed.
end bending machine 3 in which the end portion of b is incorporated in the line
At 7, the side end piece 42 indicating the width in the X dimension of FIG. 4 is bent at the position P from which the inorganic core material c has been removed to obtain a heat-insulating fire-resistant panel A. Is sent out. C and D in the figure indicate portions removed by circular saws 41, 41.

The removal of the inorganic core material c at the hatched portion G in FIG. 1E may be performed by driving and moving the scraper in the thickness direction of the panel to automate the removal of the inorganic core material c. Things. The shape and configuration of the panel connecting piece 1a for connecting the heat-insulating fireproof panel A and the shape of the side end 42 can be variously changed.

By the way, as shown in FIG. 12, the bending machine 37 as the bending means 45 for bending the side end face 42 is provided at the front and rear ends of the cut panel body C in the flow of the line incorporated in the production run. The side end piece 42 can be bent. Hereinafter, the configuration will be described in detail. An elevating section 48 having a positioning pusher 49 and a feed conveyor 50 is disposed between the front and rear conveyors 47a and 47b so as to be able to move up and down by a cylinder 51. The pusher 49 is configured so that the front and rear positions can be changed by a cylinder 52. Thus, when the panel body C, which has been cut to a predetermined size and the inorganic core material c has been removed by a required amount at the end thereof, is conveyed to the end of the conveyor 47a, the elevating unit 48 is raised by the cylinder 51,
Then, the pusher 49 is moved by the cylinder 52 to come into contact with the front end of the panel body C, so that the panel body C can be positioned. in this case,
The position of the side of the panel body C is also determined.

A bender 58 is arranged at the front and rear portions of the elevating portion 48 and below the elevating portion 48.
4, the bent piece 55 at the tip can be bent at the hinge. Above the bender 58, a clamper 56 and a retainer 57 are provided so as to be able to move up and down. Thus, the front end of the panel body C positioned by the pusher 49 is held by being held down by the lowered clamper 56, and the holding member 57 is held down.
Descends and bends the side end piece 42 of the upper metal shell a, and the pressing member 57 presses the bending position P of the lower metal shell b, and the cylinder 53 of the bender 58
Is extended, the bent piece 55 is bent at the hinge, and the lower metal sheath b is bent so that the side end piece 42 can be opposed to the inorganic core material c by forming a slight gap (several millimeters) on the side end face of the inorganic core material c. It is like that. Such a gap is used for connecting the heat-insulating fireproof panels A, A. That is, FIG.
In (h), reference numeral 62 denotes a connection fitting. Reference numeral 63 denotes a caulking agent, and reference numeral 64 denotes a heat insulating material such as a ceramic fiber.

By the way, the insulated fireproof panel A as a product
Is that the lower metal shell b is turned to the front surface in the use state, and the side end piece 42 of the metal shell b serving as the front surface is longer than the side end piece 42 serving as the back surface.
The fire resistance of the side end of the is increased. FIG. 15 shows still another embodiment, in which a side end piece 42 of an upper metal shell a and a side end piece 42 of a lower metal shell b abut on an inorganic core material c.

[0024]

According to the first aspect of the present invention, the metal skin of the hoop material is continuously fed out, the upper and lower metal skins are brought close to each other, and the inorganic core material is filled between the metal skins to form a long panel body. Thereafter, the long panel body is cut and separated into a preceding panel body part and a subsequent panel body part, and at a position separated from the cutting position of these panel body parts back and forth, leaving one metal outer skin and the other metal body. In addition to cutting the outer skin and the inorganic core, the inorganic core between the metal outer skins is further removed from the front and rear positions to remove the inorganic core between the metal outer skins, and then the upper and lower metal skins are removed at the position where the inorganic core is removed. Is bent so as to face the side end surface of the inorganic core material as a side end piece, so that one of the metal outer skins and the other metal outer skin and the inorganic core material are cut and removed by cutting and removing means, leaving one of the metal outer skins. further By removing only the inorganic core material at a later time, the removal of the inorganic core material can be easily performed as compared with the conventional method of removing a large amount of the inorganic core material from between the metal sheaths having the same length. There is an advantage that productivity can be increased.

According to the second aspect of the present invention, since a release material is previously provided at a position where the inorganic core material is removed, there is an advantage that the removal of the inorganic core material is further facilitated. Claim 3 is an apparatus for manufacturing an insulated fireproof panel in which an inorganic core material is filled between upper and lower metal shells, wherein a feeding device for continuously feeding the metal shell of the hoop material is located close to the upper and lower metal shells. Means for filling the inorganic core material between the metal shells, cutting means for cutting and separating the preceding panel body part and the subsequent panel body part, and cutting of the preceding panel body part and the subsequent panel body part Cutting and removing means for cutting and removing the other metal shell and the inorganic core material while leaving one metal shell at a position forward and backward from the position; and Since the removing means for removing the inorganic core material between, and a bending means facing the side end surface of the inorganic core material as a side end piece by bending the upper and lower metal outer skin at the removed position,
In the cutting means, the other metal skin and the inorganic core material are cut and removed by the cutting and removing means while leaving one metal skin,
With the cutting and removing means, only the inorganic core material can be removed further back and forth from the above cutting and removing position, and a large amount of inorganic core material can be removed from between metal skins of equal length as in the conventional case. As compared with the means, there is an advantage that the operation of removing the inorganic core material can be easily performed and the productivity can be increased.

According to the fourth aspect of the present invention, since the release material attaching device for attaching the release material to the portion where the inorganic core material is removed is provided, there is an advantage that the removal of the inorganic core material is further facilitated by the release material. .

[Brief description of the drawings]

FIG. 1 shows a production process according to an embodiment of the present invention, and (a) to (h) are schematic explanatory views.

FIG. 2 is a schematic explanatory diagram showing a production line of the above.

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

FIGS. 4A and 4B are cutaway perspective views showing a bent shape at an end in a width direction of a lower metal shell.

FIG. 5 is a cutaway perspective view showing a punched hole formed in the metal outer shell.

FIG. 6A is a perspective view showing a relationship between a bent shape of a lower metal shell and a punched hole in the above, and FIG. 6B is a plan view of the punched hole in the same.

FIG. 7 is an end perspective view of the heat-insulated fireproof panel.

FIG. 8 is a cross-sectional view of the same thermally insulated fireproof panel in a joint state.

9A and 9B show an inorganic core material loading device of the above, 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 action of applying the adhesive of the above, and (a)
(B) and (c) are sectional views.

11 (a) is a schematic side view, FIG. 11 (b) is an explanatory view showing an operation, FIG. 11 (c) is a front view showing a circular saw for cutting upper and lower metal shells, FIG. ) Is a front view showing a circular saw for cutting the upper metal shell and the inorganic core material.

FIG. 12 is a schematic side view showing the folding means and partially omitted.

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

FIG. 14 is a schematic explanatory view of another production process of the above.

FIGS. 15A to 15D show a production process of a conventional example, and FIGS.
Is a schematic explanatory diagram.

[Explanation of symbols]

 2 Feeding device 43 Cutting means 44 Cutting and removing means 45 Bending means a Metal cover b Metal cover c Inorganic core material i Prior panel body part b Subsequent panel body part

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-53-83176 (JP, A) JP-A-3-3733 (JP, A) JP-A-51-122877 (JP, A) JP-A-7-73 10635 (JP, A) JP-A-6-144305 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B23P 15/00 B23P 21/00 302 B32B 5/18 E04B 1/94 E04C 2/26

Claims (4)

(57) [Claims] 1. A method for manufacturing an insulated fire-resistant panel in which an inorganic core material is filled between upper and lower metal shells, wherein the metal shell of a hoop material is continuously fed out, and the upper and lower metal shells are brought close to each other. A long panel body is formed by filling an inorganic core material therebetween, and then the long panel body is cut and separated into a preceding panel body part and a subsequent panel body part. At a position distant back and forth, the other metal hull and the inorganic core material are cut while leaving one metal hull, and the inorganic core material between the metal hulls is removed by moving further forward and backward than the above-mentioned front and rear distant position. A method of manufacturing a heat-insulated fire-resistant panel, comprising: bending the upper and lower metal shells at the position where the inorganic core material is removed to face the side end surface of the inorganic core material as a side end piece. 2. The method for manufacturing a heat-insulated fireproof panel according to claim 1, wherein a release material is previously provided at a position where the inorganic core material is removed. 3. An insulated fireproof panel manufacturing apparatus in which an inorganic core material is filled between upper and lower metal skins, wherein a feeding device for continuously feeding the metal skin of the hoop material is brought close to the upper and lower metal skins. Means for filling an inorganic core material between metal shells, cutting means for cutting and separating a preceding panel body part and a succeeding panel body part, and a cutting position of the preceding panel body part and a succeeding panel body part Cutting and removing means for cutting and removing the other metal shell and the inorganic core material while leaving one metal shell at a position further forward and backward, and between the metal shells by moving further forward and rearward than the above-described forward and backward positions. A heat removing means for removing the inorganic core material, and a bending means for bending upper and lower metal outer skins at the removed position to face side end surfaces of the inorganic core material as side end pieces. Equipment for manufacturing fireproof panels. 4. The apparatus for manufacturing a heat-insulated fireproof panel according to claim 3, further comprising a release material attaching device for attaching a release material at a position where the inorganic core material is removed.