JPH0360285B2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention is applicable to, for example, ALC (Autoclaved
The present invention relates to a method and apparatus for cutting a semi-cured lightweight aerated concrete cake (hereinafter referred to as "cake") to the thickness of a panel when manufacturing a lightweight concrete (lightweight concrete) panel. Of course, the cutting device according to the invention can also be applied to cutting other similar materials.

(Prior Art) Conventionally, in order to longitudinally cut a rectangular parallelepiped cake into a plurality of pieces, a plurality of cutting wire rods are stretched at regular intervals in the movement path of the cake to be fed vertically, and a cake is placed on the cutting wire. A plurality of rod-shaped receiving jigs with a rectangular cross section are arranged in parallel at regular intervals so as to be able to pass between the cutting wires, and these receiving jigs are used to vertically feed the cutting wires from the carry-in side in front of the cut wires to the opposite carry-out side. In order to place and guide the cakes and feed them vertically in a parallel arrangement, there is an elevator frame that supports bearings at regular intervals on flanged rollers that extend horizontally to the receiving jig, and a lifting frame that carries in and out the cakes. A cake cutting device having a cake conveying frame for cutting the cake has been proposed (see, for example, Japanese Patent Publication No. 44-26951).

The cake cut by this cutting device is transported to an autoclave by a transport frame while being loaded on a receiving jig, and is steam-cured therein. At this time, cake debris adhering to the receiving jig during cake cutting becomes agglomerated during steam curing and becomes fixed to the receiving jig. On the other hand, the receiving jig may be deformed by heat during autoclave curing. Due to these stuck objects and deformation, it may become difficult to fit the receiving jig into the transport frame or damage the lower part of the cake when it is used repeatedly. I needed to do some cleaning.

In addition, since lightweight aerated concrete plates are manufactured using a mass production system, a huge number of receiving jigs are required, and it is necessary to identify and eliminate defective products that have caused deformation, as well as to thoroughly clean them. Since this is a difficult task and extremely difficult to perform reliably, it is unavoidable that some product panels will be defective.

(Problems to be Solved by the Invention) The present invention makes it possible to always use a clean receiving jig without deformation, thereby preventing the occurrence of defective products due to the receiving jig. The challenge is to do so.

(Means for Solving the Problem) According to the present invention, the above problem can be solved by stretching a plurality of wire rods at predetermined intervals on a moving path of a semi-cured lightweight aerated concrete cake, and By repeating the operation of placing the cake on a plurality of rod-shaped receiving jigs arranged in parallel at predetermined intervals so as to be able to pass between the two, and vertically feeding the cake from one end of the moving path to the other end. Therefore, in the method of sequentially cutting each of the plurality of cakes into a plurality of pieces, after passing through the wire together with the cake, the rod-shaped receiving jig is separated from the cake at the other end, and then the one end is separated from the cake at the other end. This is achieved by repeated use to return to the side and place a cake that is subsequently carried into the one end side. Further, according to the present invention, the above-mentioned problem can be solved by cutting a plurality of cutting pieces at regular intervals, which are stretched in the movement path of the cake that is fed vertically in order to vertically cut a semi-cured lightweight aerated concrete cake into a plurality of pieces. In order to load cutting wire rods and cakes and feed them vertically from the carry-in side in front of the cutting wire rods to the opposite side to the opposite side, a plurality of rod-shaped receivers with a rectangular cross section are arranged in parallel at regular intervals so as to be able to pass between the cutting wire rods. In order to place and guide the receiving jig and vertically feed the receiving jig in a parallel arrangement state, a lifting mechanism in which flanged rollers extending horizontally with respect to the receiving jig are supported by bearings at regular intervals. In a semi-cured lightweight aerated concrete cake cutting device having a frame and a cake transport frame for carrying in and carrying out the cake, the cake transport frame has a receiving jig on which the cut cake is placed on the carrying-out side. It has a cake holder that receives only the cake when it is lowered together with the flanged roller, and allows the receiving jig to separate from the cake and further descend together with the flanged roller. A driving means is provided to return the ingredients to the carry-in side guided by the flanged roller, and when the receiving jig is moved from the carry-in side to the carry-out side and vice versa, the attachment surface of the open surface of the receiving jig is provided. This is achieved by providing a cleaning device to scrape off the dirt.

(Function) After the receiving jig is loaded with cakes and moved from the carry-in side through the cutting wire to the carry-out side, it is lowered to the cake conveyance frame which is placed on standby below. During the lowering process, the receiving jig transfers the cake to the cake holder of the cake transport frame, and the receiving jig itself is lowered to a position where it is separated from the cake. At the separation and lowering position, the receiving jig is moved over the flanged roller by the driving means and returned to the carrying-in side. When the receiving jig is moved from the carry-in side to the carry-out side during the above-mentioned circulation movement, after passing through the cutting wire, a cleaning device scrapes off any deposits on the open lower surface, and the receiving jig is moved from the carrying-in side to the carrying-out side. When it is moved back from the side to the loading side, the deposits on the top and side surfaces are scraped off and the entire surface is cleaned.

(Example) In the figure, reference numeral 1 denotes several cutting wire rods made of piano wire, which are stretched vertically on a fixed frame 2 at intervals corresponding to the panel thickness. The cake 3 is moved from the carry-in side on the right side to the carry-out side on the left side with respect to the cutting wire rod 1, and is cut into a plurality of cake pieces by the wire rod 1 at this time.

The cake 3 is placed on a plurality of parallel receiving jigs 4 and transferred. Each receiving jig 4 is made of a bar with a rectangular cross section that can pass through the cutting wire 1 with the cake 3 placed thereon.

A plurality of flanged rollers 5 are arranged in parallel at regular intervals in order to guide the receiving jigs 4 straight in the vertical direction while they are arranged in parallel. As shown in FIGS. 4 and 5, this flanged roller 5 has flanges 5a at regular intervals, and is configured to guide and vertically feed each receiving jig 4 by the flanges. There is. As shown in FIG. 4, each flanged roller 5 is supported at both ends by bearings 6, and these bearings are fixed to the upper part of a column 8 erected on the lifting frame 7. The elevating frame 7 is supported by a hydraulic cylinder 9 so as to be movable up and down.

A cake unloading cart 10 for loading and unloading the cake 3 is provided below the cutting wire 1 so as to be movable in the same direction as the traveling direction of the receiving jig. In order to allow this cake transport vehicle to travel, the lifting frame 7
(See Figure 4) Conveying roller 1
1 are arranged at the same spacing as the columns 8 (see Figure 1), and these conveyor rollers are connected to the fixed frame 1.
It is pivotally supported by a bearing 13 supported by 2. The cake transport vehicle 10 has a support frame 10a on its side, and this support frame runs on transport rollers 11.

As shown in FIGS. 6 to 8, the cake conveying frame 10 has a support frame 10a and a cake pedestal 10b, and the cake pedestals 10b are arranged vertically in series and horizontally in parallel. It is made up of a large number of flat trapezoidal bridge members 10c arranged in an array, and there are gaps 10d between the horizontal bridge members in which the horizontal and vertical receiving jigs 4 can enter, and horizontal gaps 10d between the vertical bridge members. A gap 10e is provided into which the lateral flanged roller 5 can enter, and the piece members in each lateral row are fixed at the lower part thereof to a support rod 10f extending laterally and fixed to the support frame 10a.

In the present invention, the receiving jig 4 can be returned from the carry-out side to the carry-in side, and as a preferred embodiment of the driving means for performing the return movement, a cutting jig of the flanged roller 5 is used. A roller 14 located near the wire 1 serves as a driving roller connected to a prime mover. In order to increase the engagement friction between the driving roller 14 and the receiving jig 4, it is preferable to provide a presser roller 15 for pressing the receiving jig 4 against the driving flange roller 14.

Furthermore, during the process of circulating the receiving jig 4 as described above, it passes through a cleaning device to remove deposits. As a preferred embodiment of the cleaning device, FIGS. 9 and 10 show a cutting wire 1.
A spring plate-shaped scraper 16 disposed near the downstream side of the cutting wire 1 is also shown in FIG.
A scraper 17 in the form of a flanged roller is shown disposed near the bottom of the holder. As shown in FIGS. 9 and 10, the spring plate-shaped scraper 16 has one end fixed to a support shaft 16a parallel to the flanged roller 5, and extends in the radial direction. scraper 1
6 is in the upward posture shown by the solid line in Figure 9, and then
It can take a downward position as shown by the imaginary line rotated by 180 degrees, and when it is in an upward position, its free edge is connected to the receiver that runs in the direction of arrow P from the carry-in side to the carry-out side in Fig. 9. The bottom surface of the jig 4 is scratched to remove deposits, and when in the downward position, the top surface of the receiving jig 4, which is lowered to a lower position and runs in the direction of arrow Q, is scratched to clean the deposits.

The flanged roller-shaped scraper 17 is incorporated in the row of the flanged roller 5 and the flanged drive roller 14, and like the other rollers, it is attached to the tip of the support 8 planted in the lifting frame 7. It is supported by a bearing. As shown in FIG. 11, the flanged roller scraper 17 has a flanges 17b with blades 17a formed on the peripheral edge, and the spacing between adjacent flanges 17b is determined by a receiving jig at the blade 17a. It is slightly wider than the width of 4, and widens towards the center. Therefore, cake debris adhering to the side surface of the receiving jig 4 is scraped off by the blade 17a when the receiving jig passes between the flanges 17b.

The operation of the device according to the invention is as follows.

First, in FIG. 1, the flange roller 5 on the loading side
The cake 3 placed on the receiving jig 4 arranged above and raised to a position in front of the cutting wire 1 by the hydraulic cylinder 9 is moved by an appropriate pushing device ( (not shown), and as it passes through the cutting wire 1, it is cut into a plurality of panel pieces. During this forward movement, after the receiving jig 4 passes the cutting wire 1, the cake waste adhering to its lower surface is scraped off by the spring plate-shaped scraper 16 which is in an upward position.

After the cake 3 reaches the discharge side as shown by the chain line in FIG. 1, it is lowered by operating the hydraulic cylinder 9. At this time, the cake carrier 10 has already been brought to a predetermined position below the receiving jig 4. Descending cake 3, supporting jig 4 and flanged roller 5 supporting it
When reaching the cake pedestal 10b of the cake transport vehicle 10, only the flanged roller 5 and the receiving jig 4 are in the gaps 10e and 10 formed in the cake pedestal 10b.
d respectively, and thereby the cake 3 is transferred onto the cake holder 10b as shown in FIG.

The lowering of the flanged roller 5 and the receiving jig 4 is performed in the second
As shown in the figure, the receiving jig 4 is stopped when it is separated from the cake 3, and then the presser roller 15
is rotated toward the driving flange roller 14, pressing the receiving jig 4 against the driving flange roller 14, and then the rotational driving force is transmitted to the driving flange roller 14, and the receiving jig 4 is moved back to the carry-in side. let that time,
A spring plate-like scraper 16 whose direction is changed to a downward position and a flanged roller-like scraper 17
The top and side surfaces of the receiving jig 4 are cleaned by the following steps.

After the entire receiving jig 4 reaches the carry-in side, as shown in FIG. The cut cake 3 is carried out and transported to a steam curing process. At the same time, in preparation for the next operation, the spring plate scraper 16 is turned upward, the presser roller 15 is rotated to the non-operating position, and the empty cake conveying frame 10, which has been waiting, is moved. It is moved in the direction of arrow R and brought to a predetermined position on the discharge side.

Next, by operating the hydraulic cylinder 9, the receiving jig 4, which has been returned to the loading side, is raised to the height position shown in Fig. 1, and at that position, a new cake is placed by an appropriate means. The following series of operations are performed as described above.

(Effects of the Invention) As described above, the present invention uses the receiving jig by circulating it in the cutting device instead of transporting it together with the cake into the autoclave. Since the jig is not deformed by heat, the receiving jig is always clean and undeformed when receiving a new cake. Furthermore, since the receiving jigs are used repeatedly, the number of such jigs may be extremely small, and it is therefore extremely easy to find bent jigs. Therefore, the occurrence of defective panel products due to the receiving jig can be completely avoided.

[Brief explanation of drawings]

Fig. 1 is a schematic side view of the device of the present invention, showing the state before cutting the cake; Fig. 2 is a schematic side view similar to Fig. 1, showing the state after cutting the cake; and Fig. 3 is when the cut cake is being carried out. FIG. 4 is an enlarged scale front view of the apparatus shown in FIG. 1, FIG. 5 is a partial side view of the flanged roller, and FIG. 6 is a schematic side view similar to FIG. A perspective view, FIG. 7 is a sectional view taken along the - line in FIG. 6, and FIG. 8 is a - line in FIG. 6.
FIG. 9 is a side view of the spring plate scraper, FIG. 10 is a front view of the scraper, and FIG. 11 is a partial axial sectional view of the flanged roller scraper. DESCRIPTION OF SYMBOLS 1... Wire rod for cutting, 3... Cake, 4... Receiving jig, 5... Flange roller, 7... Lifting frame, 10... Cake conveyance frame, 10b... Cake pedestal, 14... Drive Means (driving flange roller), 16, 17... cleaning device (16... spring plate scraper, 17... flange roller scraper).

Claims (1)

[Claims] 1. A plurality of wire rods are stretched at predetermined intervals on the travel path of the semi-cured lightweight aerated concrete cake, and are arranged in parallel at predetermined intervals so as to be able to pass between the plurality of wire rods. By repeating the operation of placing the cakes on a plurality of rod-shaped receiving jigs and vertically feeding them from one end of the moving path to the other end, each of the plurality of cakes is sequentially transported. In the method of cutting into a plurality of pieces, the rod-shaped receiving jig that has passed through the wire together with the cake is separated from the cake at the other end, and then returned to the one end to continue cutting the cake into pieces. A method for cutting a semi-cured lightweight aerated concrete cake, characterized in that it is repeatedly used to place a cake carried in on one end side. 2. A plurality of cutting wire rods stretched at regular intervals in the movement path of the cake that is fed vertically in order to vertically cut the semi-cured lightweight aerated concrete cake into multiple pieces, and a cutting wire rod with the cake placed on it. In order to feed vertically from the carry-in side on the front side to the carry-out side on the opposite side, a plurality of rod-shaped receiving jigs with a rectangular cross section are arranged in parallel at regular intervals so that they can pass between the cutting wires, and the receiving jigs are placed and guided. In order to feed the cakes vertically while they are arranged in parallel, there is an elevating frame that supports bearings at regular intervals on flanged rollers that extend horizontally with respect to the receiving jig. In a semi-cured lightweight aerated concrete cake cutting device having a conveyance frame, when the cake conveyance frame is lowered together with the flanged roller on the receiving jig on which the cut cake is placed on the conveyance side, only the cake is cut. It has a cake holder that receives the cake and allows the receiving jig to separate from the cake and further descend together with the flange roller, and also allows the receiving jig separated from the cake to be guided by the flange roller to the carry-in side. A drive means for returning the product shall be provided, and a cleaning device shall be provided to scrape off deposits on the open surface of the receiving jig when the receiving jig is moved from the loading side to the unloading side and vice versa. A semi-hardened lightweight aerated concrete cake cutting device featuring: 3. The cake holder consists of a large number of flat bridge members arranged vertically in series and horizontally in parallel, and horizontal and vertical receiving jigs can enter between the horizontal bridge members. However, there is also a space between the vertical pieces that allows the horizontal and horizontal flanged rollers to enter.
3. The cutting device according to claim 2, wherein each horizontal row of bridge members is fixed at a lower portion thereof to a support rod extending laterally. 4. The drive means for returning the receiving jig from the carry-out side to the carry-in side is constructed by using a flanged roller near the cutting wire as the driving roller, and in that case, The cutting device according to claim 2 or 3, further comprising a presser roller for pressing the receiving jig. 5 A cleaning device that scrapes off deposits on the open surface of the receiving jig is used to clean the bottom surface of the receiving jig that moves from the carry-in side to the carry-out side after passing the cutting wire, and the top surface of the receiving jig that moves from the carry-out side to the carry-in side. with a scraper,
It consists of a cleaning roller with a flange for scratching both sides of the receiving jig that moves from the carry-out side to the carry-in side, and the above-mentioned cleaning roller is similar to the flange roller in the vicinity of the cutting wire. The cutting device according to any one of claims 2 to 4, wherein the cutting device is supported by an elevating frame.