JPH0655525A - Product bearer of concrete panel and production controlling method - Google Patents

Abstract

PURPOSE:To remove human mistake by reading identifying information of a product bearer with a reading means provided in a desired process and inputting it in a controlling means by a method wherein heat-resistant and water- resistant identification means is provided on the product bearer, onto which a semi-plastic concrete panel is seated so as to be carried in a curing autoclave. CONSTITUTION:A bearer 1 consists of a pair of main members 1a and seating members 1b, on which a panel is seated, and which are welded to the members 1a. At the predetermined site on the side of the main member 1a, a heat- resistant and water-resistant ceramic plate (or identification means), in which the identification number of the bearer 1 and a bar-code corresponding to the identification number are recorded, is fixed. On the other hand, in a controlling computer, dimensional specification, quality controlling conditions and the like are registered. By reading the information recorded in the identification means by every process and transferring them to the controlling computer, necessary processing conditions such as dimensional specifications, quality controlling conditions and the like registered in the computer can be recognized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete panel product placing table which requires steam curing treatment, and a manufacturing control method for the product.

[0002]

2. Description of the Related Art In houses and high-rise buildings, ALC panels (panels of lightweight expanded concrete products) are often used as wall materials, roof materials or floor materials. This ALC panel is manufactured by curing a semi-finished product having a preset size and semi-plasticity (state not cured to a hardness assumed in advance, the same applies hereinafter) by steam curing treatment.

A method of manufacturing the above ALC panel will be described. First, a foam concrete raw material is prepared. At this stage, a lot number as a production unit is given and a plurality of types of ALC panels to be produced from the lot are assigned.
Information such as a lot number and specifications of an ALC panel manufactured from this lot is printed on a manufacturing card in advance and managed by a host computer. This manufacturing card is stored in a card case provided on the semi-finished product carrier, or is manually advanced from the reinforcing bar process to the finishing and inspection processes in synchronization with the semi-finished product. Then, a large-sized block-shaped concrete block is manufactured from the above-mentioned raw materials and carried into a cutting device together with a manufacturing instruction. Therefore, for concrete blocks that have been carried into the cutting device, the A
The size and number of LC panels are set in advance.

The concrete block has semi-plasticity and can be cut with a piano wire.
For this reason, a plurality of piano wires that can be set to desired dimensions are arranged in the cutting device, and the piano wires are set in accordance with the preset dimensions of the ALC panel to cut the concrete block. , Manufacture multiple ALC panels with semi-plasticity. And as shown in FIG.
Any one of the manufactured ALC panels 51
The lot number 52 is stamped and displayed on the end of the panel 51, and the manufacturing instruction described in comparison with the manufacturing instruction is manually input to the host computer.

A plurality of ALC panels 51 cut in the above cutting step are placed on a product placing table 54 to which a recognition number 53 is given in advance, and are conveyed to the curing step together with the manufacturing instruction. In this curing process, the manufacturing instruction attached to the product mounting table 54 is removed and carried into the steam curing device (autoclave),
Curing is performed on the plurality of ALC panels 51 placed on the substrate under preset processing conditions to cure the ALC panels 51. afterwards,
Product stand 54 on which multiple cured ALC panels 51 are placed
Is taken out from the autoclave and is attached to the manufacturing instruction and transported to the finishing process. In the finishing process, a predetermined process is performed based on the manufacturing instruction, and finally an ALC panel having a preset size and hardness is manufactured.

A immediately after cutting the concrete block
Since the LC panel is semi-plastic, the accuracy of the product carrier used when loading it into the autoclave, the accuracy of the carrier that mounts the product carrier, the accuracy of the rail that serves as the carrier path for the carrier, and the steam Changes in various curing conditions and other conditions have a significant effect on the quality of the final product. For this reason,
It is an important point in quality control to strictly control the usage history of autoclaves, product platforms, trolleys, etc. used for each lot.

As described above, since there is a close relationship between the management of the usage history of the product placing table and the quality control of the ALC panel, at present, the identification number is written on the product placing table with paint and the product is carried into the autoclave. At this time, the operator collates the identification number with the lot number and registers them in the product quality control database.

[0008]

As described above, since the information in each process is manually input by the operator, it is difficult to eliminate human input errors. However,
In the process of manufacturing ALC panels, A with semi-plasticity is used.
Since a semi-finished product of an LC panel is accompanied by a step of performing high-temperature and high-pressure steam treatment, there is a problem that paper, which is an ordinary information recording means, cannot withstand such harsh use conditions. There is a problem that the process cannot be automated and unmanned.

It is an object of the present invention to provide a product stand for a concrete panel equipped with a product recognition means capable of withstanding high temperature, high pressure and high humidity, and a method for manufacturing and managing a concrete panel product. .

[0010]

Means for Solving the Problems In order to solve the above-mentioned problems, a concrete-type panel product mounting base according to the present invention comprises:
A product platform for placing a concrete-based panel having semi-plasticity and bringing it into a high-temperature high-pressure steam curing treatment can,
The recognition means is provided which is readable by the reading means and has heat resistance and water resistance.

Further, the method for manufacturing and controlling a concrete-based panel according to the present invention is provided with a semi-plasticized concrete-based panel equipped with a recognition means having heat resistance and water resistance and carried into a high-temperature high-pressure steam curing treatment can. It has a plurality of product mounting bases, a cutting process for cutting semi-plastic concrete blocks, a curing process for curing the cut concrete panels at high temperature and high pressure steam, and a finishing process for finishing hardened concrete panels. Concrete panel manufacturing line, reading means for reading the recognition means provided on the product mounting table applied to the curing step, and management means for managing the quality specifications of the product mounting table, the manufacturing line, and the concrete panel And setting a manufacturing unit by collecting a plurality of concrete panels to be manufactured together. A manufacturing unit number is given, the manufacturing unit number and the dimensional specifications and quality control conditions of the concrete panel are recorded in the control means, and the semi-plastic concrete block manufactured based on the specifications of the manufacturing unit number is used in the cutting process. Carry in the product, cut it to a predetermined size, place the concrete panel cut in the cutting process on the product mounting table, read the recognition information recorded in the product mounting table recognition means, and register it in the management means. The identification information recorded on the identification means of the product mounting table is managed by the management means together with the manufacturing unit number with the management unit, and then when the product mounting table on which the concrete panel is placed is carried into the curing process. Read the setting and set the curing conditions in the curing process to the curing conditions registered in advance in the management means, and record the usage history of the product mounting table in the management means, After finishing the processing by, the product placing table is conveyed to the finishing process, the recognition information recorded in the recognizing means of the product placing table is read in the finishing process, and the concrete panel mounted on the product placing table is read. It is characterized in that the dimensional specification is instructed from the managing means to the device constituting the finishing process.

[0012]

[Function] In the product stand of the concrete panel (hereinafter simply referred to as "stand"), the recognition means can record the identification number of the stand and is constructed to have heat resistance and water resistance. In this case, even if the pedestal is carried into the high temperature and high pressure steam curing treatment can with the recognition means attached, the recognition means and the recognition information recorded in the recognition means may be adversely affected by heat and steam. Absent. For this reason,
Dimension specifications corresponding to the lot number on the management computer,
Required processing conditions such as dimensional specifications and quality control conditions registered in the computer by registering quality control conditions, etc., and reading the recognition information recorded in the recognition means for each process and transmitting it to the management computer. Can be recognized.

Further, in the case where the recognizing means records manufacturing information in addition to the pedestal recognition information and the recorded manufacturing information can be read by the reading means and has heat resistance and water resistance, , Even if the table is loaded into the high temperature and high pressure steam curing treatment can with the recognition means attached, the recognition means and the recognition information recorded in the recognition means,
Manufacturing information is not adversely affected by heat or steam.
Further, by recording the manufacturing information in the recognizing means and reading the recorded contents of the recognizing means for each process, it is possible to recognize the processing condition necessary for the process. Therefore, it is not necessary to manually input the manufacturing information for each process, it is possible to eliminate human input errors, and it is possible to contribute to the unmanned manufacturing line.

According to the above concrete panel manufacturing management method, it is possible to manage the dimensional specifications and quality control conditions of the concrete panel to be manufactured (hereinafter simply referred to as “panel”) and the usage history of the platform. I can.

That is, the panels to be manufactured are gathered, the manufacturing unit (lot) is set, the manufacturing unit number (lot number) is given, and the dimensional specification of the panel in the lot,
When quality control conditions are recorded in the control means, and when a platform having a recognition means in which the recognition information is recorded is applied to the manufacturing line, the recognition information of the platform is read and registered in the management means. By the means, both the lot number and the platform can be managed. Therefore, by reading the recognition information recorded in the recognizing means of the loading table carried into each process and communicating with the managing means, the lot number applied to the loading table can be recognized and the lot number corresponding to the lot number can be recognized. It is possible to set the conditions of the devices that compose each process according to the set dimensional specifications, quality control conditions, etc.

Since the recognition means has heat resistance and water resistance,
Even if the mounting table provided with the recognizing means is carried into the curing processing apparatus and subjected to severe curing processing, the manufacturing information recorded in the recognizing means is not adversely affected by this processing. Therefore, after recording the identification number of the mounting table and the lot number in the management means in association with each other, by reading the recognition information recorded in the recognition means of the mounting table in the curing process and the finishing process, the quality control conditions and the panel can be read. Can recognize the specifications of. Therefore, the processing conditions in each process can be set by the management means. Further, when the curing process is completed, the usage history of the platform can be registered in the management means and managed.

[0017]

EXAMPLE A method for manufacturing and managing the above-mentioned platform and concrete panel will be described below with reference to the drawings. Figure 1 is the first
FIG. 2 is a perspective view of a mounting table according to an embodiment, FIG. 2 is a diagram illustrating a cutting process to a curing process, and FIG. 3 is a diagram illustrating a curing process to a finishing process.

First, the structure of the mounting table 1 according to the first embodiment will be described with reference to FIG. The platform 1 is composed of a pair of main members 1a arranged in the longitudinal direction and a mounting member 1b for connecting the main members 1a and mounting a panel. The main member 1a and the mounting member 1b are welded to each other. Is configured. As described above, in the mounting table 1 configured by welding the main member 1a made of steel and the mounting member 1b, the mounting table 1 is deformed by heat as the number of times of use of the curing apparatus increases, This deformation can seriously affect the quality of the manufactured panel.

A ceramic plate 2 serving as a recognition means having heat resistance and water resistance is fixed to a predetermined position on the side surface of the main member 1a of the platform 1 by a bolt or the like not shown, and the identification number 2a of the platform 1 is a number. It is printed. As shown in FIG. 2B, a bar code 2b corresponding to the identification number 2a serving as identification information is recorded on the ceramic plate 2.

In the mounting table 1 configured as described above, even when the ceramic plate 2 is fixed and carried into a high-temperature high-pressure steam treatment can for curing treatment, the ceramic plate 2 and the plate 2 are printed. The identification number 2a and the barcode 2b are not damaged. Also the loading platform 1
When the panel is placed on the board and is carried in or out of each process, the operator can visually check the identification number 2a to check the mounting table 1.

Therefore, when the loading platform 1 is applied to a concrete panel manufacturing line, that is, the loading platform 1 is carried into the cutting process and cut based on the preset dimensional specifications of the lot. When a semi-plastic panel is placed, by reading the bar code 2b recorded on the ceramic plate 2 of the mounting table 1, the mounting table 1 and the lot number can be matched and managed. Therefore, a computer is installed to manage the specifications of the equipment corresponding to the lot numbers and the devices in the cutting, curing, and finishing processes that make up the manufacturing line, quality control conditions, and a reading device is installed in the desired process. Bar code 2b
By reading and communicating with the management computer, it becomes possible to confirm manufacturing information by eliminating human error.

Next, the manufacturing control method will be described with reference to FIGS.
Will be described. According to the manufacturing control method of the present invention, the bar code 2b of the ceramic plate 2 fixed to the mounting table 1 is read by the bar code readers 3a to 3c serving as reading means provided in each step or a desired step, and is managed by the read information. By communicating with the management computer that is the means, the progress status of the set lot, the setting of the processing conditions in each process according to the specifications of the panels that make up the lot, the setting and recording of the quality control conditions, the setting of the platform The usage history is managed.

A lot, which is a unit of manufacturing panels, is set by collecting a plurality of panels having the same quality condition. A lot number is assigned to this lot, and the lot number is recorded in the management computer together with the quality condition, panel size specification, and the like.
Therefore, when the lot number is given, the size, number and quality condition of the panels to be sampled are set for the lot.

In the cutting step, a cutting device called a mortar cutter having a plurality of piano wires is arranged.
This cutting device displays the cutting information corresponding to the lot number transmitted from the management computer when the lot number is designated, and is a so-called FA machine that can automatically set the intervals of the respective piano wires according to the cutting information. (Factory automation machine).

When the concrete block corresponding to the specific lot number manufactured in the previous step is carried into the cutting device, in the cutting step, the lot number is designated in the management computer to receive the cutting information, and the cutting is performed. It is possible to set the intervals of each piano wire according to the information, and move the piano wires set at the predetermined intervals in the cutting direction to manufacture multiple panels corresponding to the dimensional specifications of the panels included in the lot. is there.

In the cutting step, a plurality of loading platforms 1 are loaded in advance, and the cut panels 4 are placed on these loading platforms 1. Then, the bar code reader 3a reads the bar code 2b recorded on the ceramics plate 2 of the mounting table 1 on which the panel 4 is placed, so that the management computer which has already recorded the lot number corresponds to the mounting table 1 corresponding to the lot number. The identification number of is recorded. Therefore, in each step after the cutting step, by reading the bar code 2b of the ceramic plate 2 of the mounting table 1, the lot number recorded in the management computer corresponding to the panel 4 mounted on the mounting table 1 is read. It is possible to check the specifications in.

The platform 1 on which the plurality of panels 4 are mounted as described above is carried out of the cutting device by the crane 5 and aligned in the waiting area for the curing process. In the waiting area, a plurality of mounts 1 are collected under the same curing condition, and the rail 6
The truck 6b traveling on a is loaded with three vertical rows and six rows in the front-back direction. A ceramic plate 7 similar to the ceramic plate 2 fixed to the platform 1 is attached to the side surface of the carriage 6b.

The loading platform 1 loaded on the carriage 6b is carried into the autoclave 8 and 18 units are simultaneously cured. Therefore, in the vicinity of the entrance of the autoclave 8, the ceramic plates 2 of the loading platform 1 stacked in three stages in the vertical direction
Bar code readers 3b are installed at the same level as
Moreover, a bar code reader 9 for reading the ceramic plate 7 attached to the carriage 6b is provided. Therefore, when the carriage 6b is run, the barcode reader 3b
The ceramic plates 2 of the mounts 1 are sequentially read from the top by means of the above, and the recognition information of the mounts 1 recorded on the ceramics plates 2 is transmitted to the management computer and the positions of the respective mounts 1 in the autoclave 8 are The cumulative number of times of use and the applied curing conditions are confirmed, and information such as these is stored in the management computer. Similarly, information according to the number of times the cart 6b is used is stored in the management computer.

All the loading tables 1 are carried into the autoclave 8 and the autoclave 8 is sealed, and the temperature, pressure, etc. in the autoclave 8 are set by reading out the curing conditions of the panels placed on the loading table 1 from the management computer. Then, the curing process is started. After a preset curing time,
The pressure in the autoclave 8 is reduced, the lid is opened, and the platform 1 is pulled out.

The loading table 1 pulled out from the autoclave 8 is carried into a finishing process by a crane 5 as shown in FIG. Then, the ceramic plate 2 of the loaded platform 1 is read by the barcode reader 3c, and the finishing specification for each panel 4 is displayed from the management computer. The mechanical device that constitutes the finishing process is an automatic machine controlled by a management computer, and a cutter or the like is automatically positioned to sequentially finish the individual panels 4.

The mounting table 1 from which the mounted panels 4 have been removed in the finishing process is aligned with the mounting table waiting area and holds the standby position until it is applied to a new lot.

FIG. 4 is a perspective view of the platform 1 according to the second embodiment. The mounting table 1 according to this embodiment is composed of a main member 1a and a mounting member 1b as in the above-described embodiments. An ID card 21 having heat resistance and water resistance is attached to a predetermined position on the side surface of the main member 1a.

The ID card 21 has heat resistance and water resistance, and it is possible to record desired manufacturing information and read the recorded manufacturing information by an ID controller serving as a reading means. That is, it is possible to record manufacturing information such as lot numbers and quality control conditions on the ID card 21. In this embodiment, WAM501T52BH from Yamatake Honeywell is used as the ID card 21. And this ID card
21 is fixed to the side surface of the main member 1a with screws.

In the mount 1 constructed as described above, the ID
Even if the card 21 is loaded into a high-temperature high-pressure steam treatment can and cured, the ID card 21 is not damaged. Therefore, manufacturing information such as lot numbers and quality control conditions is recorded on the ID card 21 in advance and read by the ID controller provided in the cutting process, the curing process, and the finishing process to eliminate manufacturing errors and to obtain the manufacturing information. This makes it possible to check and automate the production line including the curing process, which was impossible in the past.

When the mounting table 1 constructed as described above is used, an ID controller connected to a management computer instead of the bar code readers 3a to 3c in the above-mentioned embodiment as a reading means in each step. 3a to 3c are provided. Then, the lot number is recorded in advance by the ID controller 3a on the ID card 2 of the mounting table 1 on which the panel 4 to which the lot number has been given and which has been cut in the cutting process is placed. The identification number of the loading table 1 corresponding to the lot number is recorded. Therefore, in each process after the cutting process, the platform 1
By reading the lot number recorded in
It is possible to confirm the specification of the lot number recorded in the management computer corresponding to the panel 4 placed on the.

[0036]

As described in detail above, the product mounting base of the concrete panel according to the present invention is provided with the recognizing means having heat resistance and water resistance, so that it can be harsh in the high temperature and high pressure steam treatment can. There is no risk of damaging the recognition means even under the conditions of use. Therefore, by reading the recognition information recorded in the recognition means by the reading means provided in the desired process,
The information can be input to the management means and human error can be eliminated. Further, when an ID card capable of recording manufacturing information in addition to the identification information of the mounting table is used in the product mounting table recognizing means, various information can be read at once by reading the recognizing means. I can.
Therefore, the recognition means can be used in place of the conventional manufacturing card.

Further, according to the method for controlling the production of the concrete panel according to the present invention, the product platform, which has an important influence on the quality of the concrete panel, is managed in a normal state and the high temperature and high pressure steam treatment conditions are optimized. Optimal quality control can be implemented by setting the status. Further, when an ID card capable of recording manufacturing information in addition to the recognition information is used as the recognition means of the product mounting table, the concrete panel manufacturing line is managed by the management means and the product is processed in a desired process. By providing the reading means for reading the information recorded in the recognizing means of the platform, it has the characteristics that it can be automated and unmanned throughout the entire manufacturing line.

[Brief description of drawings]

FIG. 1A is a perspective view of a platform according to a first embodiment,
(B) is a front view of the ceramic plate.

FIG. 2 is a diagram illustrating a cutting process to a curing process.

FIG. 3 is a diagram illustrating a curing process to a finishing process.

FIG. 4 is a perspective view of a platform according to a second embodiment.

FIG. 5 is a perspective view of a conventional product mounting table and a panel mounted on the mounting table.

[Explanation of symbols]

 1 platform 2 ceramics plate 2a identification number 2b barcode 3a to 3c barcode reader, ID controller 4 panel 6a rail 6b truck 8 autoclave 21 ID card

Claims (2)

[Claims] 1. A product mounting table on which a semi-plastic concrete panel is placed and carried into a high-temperature high-pressure steam curing treatment can, which can be read by a reading means and has heat resistance and water resistance. A product stand for concrete-based panels, which is equipped with recognition means. 2. A plurality of product mounting bases, each of which has a recognition means having heat resistance and water resistance and which carries a semi-plastic concrete panel and is carried into a high-temperature high-pressure steam curing treatment can, and has semi-plasticity. A concrete panel manufacturing line having a cutting step for cutting a concrete block, a curing step for curing the cut concrete panel at high temperature and high pressure steam, and a finishing step for finishing a hardened concrete panel, and the curing step. A plurality of concrete systems to be manufactured, each having a reading means for reading the recognition means provided in the product placing table to be applied and a managing means for managing the quality specifications of the product placing table, the production line, and the concrete system panel. The panel is put together to set the manufacturing unit number and the manufacturing unit number is given to the manufacturing unit number and the concrete. The dimensional specifications and quality control conditions of the system panel are recorded in the control means, and the semi-plastic concrete block manufactured based on the specification of the manufacturing unit number is carried into the cutting process and cut into the predetermined size. The cut concrete panel is placed on the product placing table, the recognition information recorded in the recognizing means of the product placing table is read and registered in the managing means, and the identifying information of the product placing table together with the manufacturing unit number is managed by the managing means. Management, and then, when carrying in the product placing table on which the concrete panel is placed in the curing process, read the recognition information recorded in the recognition means of the product placing table to manage the curing condition in the curing process in advance. After setting the curing conditions registered in the method, recording the usage history of the product mounting table in the management means, and after finishing the curing process, transport the product mounting table to the finishing process. Read the recognition information recorded in the recognition means of the product placing table in the finishing process, and determine the dimensional specifications for the concrete panel placed on the product placing table from the management means to the device constituting the finishing process. A method for manufacturing and controlling a concrete panel, which is characterized by instructing.