JP5811481B2 - Standardized centrifugal formed concrete pile production management system - Google Patents

Description

  The present invention relates to a production management system for standardized centrifugally shaped concrete piles using an identification mark such as a barcode.

  Conventionally, many types of ready-made concrete piles by centrifugal molding have been standardized and stipulated in JIS standards. Moreover, they have various conditions such as the strength and thickness of the reinforcing bars used, the quality of the concrete used, the centrifugal force during molding, the curing method after molding, the curing time, etc. Depending on the conditions, a great variety of piles are required, such as the necessity of adding multiple pieces, the length of each pile at the time of addition, and the type of joint hardware for connecting the piles.

  In one factory, such a variety of piles are arranged in a cylindrical shape with a main reinforcing bar processing step that cuts the reinforcing bar and performs header processing on the end, a predetermined number of main reinforcing bars obtained by the steel material processing step, Reinforcing rods are formed by welding while winding spiral bars around them, and reinforcing bar rods formed by attaching the predetermined pile end metal fittings to both ends of the reinforcing rod rods obtained in the reinforcing bar rod forming process are predetermined. A mold forming process for assembling a mold after being housed in a concrete centrifugal mold, a centrifugal molding process for injecting concrete into the mold and applying it to a centrifugal molding machine after PC steel bar tension, and centrifugal molding, before demolding Manufacturing, storage, and shipping are performed through various processes such as a curing process using steam curing, a process of moving to a stock yard after demolding, and a shipping process of loading from a storage yard to a truck.

  A monthly and daily work plan is created so that these processes can be shipped at appropriate times according to orders for various types and shapes of concrete piles. Various work is being performed in parallel based on the work plan.

  In addition to inventory management of finished products that are manufactured and stored in the stockyard, inventory management of rebars, end hardware, cement and other materials used in the manufacturing process, and management of semi-finished products during pile manufacturing, etc. Management is necessary, and these managements have been conventionally performed by visual confirmation of workers at the work site of each process and recording the confirmation results by telephone or documents.

  On the other hand, a barcode is used as a production control method, and a barcode that identifies this is attached to a semi-finished product that is approaching completion in the manufacturing process. This is read by a barcode reader, and the data is sent to a server computer. A method has been proposed in which semi-finished product manufacturing management, finished product inventory management, and inventory management of necessary materials such as parts used for these are performed by recording (for example, Patent Document 1).

JP 2006-222338 A

  In the conventional method for manufacturing and stocking concrete piles as described above, since it is managed based on the reports of the workers at the work site of each process in each production, storage and shipment, There is a lot of room for misrecognition and misoperation, and there is a possibility that the management accuracy is not perfect. Further, the worker needs to check and report for each work by his / her own judgment, which requires many troublesome work and accurate judgment, and cannot be managed in real time.

  Also, no management method using a conventional bar code has been developed that can be used for production management of concrete piles.

  Therefore, in view of such a conventional problem, the present invention is linked to a product barcode for each semi-finished product and finished product in a standardized centrifugal molded concrete pile production process, and stored in a server in real time. Searching this data makes it possible to utilize the standardized centrifugal concrete pile production management system that enables instant confirmation of process progress, quality variations, individual product inventory, and product manufacturing history. It was made for the purpose of provision.

  The feature of the invention according to claim 1 for solving the conventional problems as described above and achieving an intended object is a main reinforcement machining step of cutting a raw material PC steel bar and header machining the end thereof, Reinforcing bar forming process in which the main reinforcing bar obtained by the steel material processing step is arranged in a cylindrical shape, and a spiral reinforcing bar is wound around and welded to form a reinforcing bar bar, both ends of the reinforcing bar bar obtained by the reinforcing bar bar forming process In addition, an end fitting mounting step for mounting a predetermined end fitting, and a rebar rod with end fitting obtained in the end fitting mounting step are housed in a predetermined concrete centrifugal mold to assemble a mold. In the production of concrete piles manufactured through a mold forming process and a centrifugal molding process in which concrete is poured into the mold and then subjected to a centrifugal molding machine after tensioning a PC steel bar,

  A server having a database that records manufacturing conditions such as materials used, concrete composition, main muscle tension, centrifugal molding, etc. for each concrete pile, a terminal for the server, and a terminal attached to the terminal in each of the above steps Using the identified identification sign reader,

  In the raw material PC steel bar, spiral rebar, each pile component part of end hardware, each used material such as formwork used for concrete pile molding, header processed PC steel bar, intermediate manufactured product such as rebar rod, finished product Each concrete pile is accompanied by an identification mark that identifies them,

  In the main bar processing step, the reinforcing bar punching step, and the end fitting mounting step, the necessary PC steel bars and reinforcing bars are entered from the server database by inputting the type of the concrete pile to be manufactured from the terminal to the server. , Display the list of used materials such as end hardware,

The identification mark attached to the material selected by the operator based on the display is read using an identification mark reader, and the data is sent to the server to determine the quality of the selection. When it is correct , the data on the material used selected by the operator is recorded in the server as the manufacturing history of the concrete pile to be manufactured . In production management system.

  The feature of the invention of claim 2 is that, in addition to the structure of claim 1, in the main reinforcing bar machining step, the PC steel bar is cut and header processed based on a predetermined process table, and used each time. The raw material PC steel bar stock data is rewritten by inputting the number of raw material PC steel bars to the server from the terminal, and the PC steel bar specific data and the number of processed PC steel bars processed in the main bar machining process are input to the terminal. In order to update the inventory data of the machined PC steel bar by inputting it to the server, the bundle of the machined PC steel bars is attached with individual identification marks indicating the unique data and number of the machined PC steel bars, and the reinforcing bar Each time the processed PC steel bars are used in the forming process, the number is registered in the server from the terminal, the inventory number data is updated, and another individual identification display is displayed on the remaining bundle of processed PC steel bars. Incidental It is in the making.

The feature of the invention according to claim 3 is that in addition to the configuration of claim 1 or 2, the reinforcing bar rod formed by the reinforcing bar rod forming step is attached with an individual reinforcing bar rod identification mark for identifying the reinforcing bar rod. In each processing step after reinforcing bar punch forming, the reinforcing bar punch identification mark is read by an identification mark reader, and input to the server from the terminal, the necessary processing work conditions are output, and the output conditions are after machining work was based has been completed, by sending the processed work history data to the server, in that as manufacturing history data of the concrete piles in the process of production is rewritten.

According to a fourth aspect of the present invention, in addition to the configuration of any one of the first to third aspects, each identification mark is a bar code seal , and the identification mark reading device is a bar code reader or an identification mark issuing device. Is a barcode sticker printer.

  In the standardized centrifugal molded concrete pile production management system according to the present invention, the data obtained by the system is linked to a product identification mark made of, for example, a barcode for each product and stored in a server in real time. Can be used. Therefore, by retrieving this data, process progress status, quality variation, individual product inventory, traceability, and the like can be immediately obtained.

  Also, in the past, it was complicated to grasp the manufacturing status by checking the site with the eyes and checking by phone, but in the system of the present invention, a series of manufacturing data is sequentially stored in the server. For each section of the production line, the progress status can be grasped in real time by a PC terminal or a portable terminal, and the mobility is high.

  Furthermore, since the manufacturing status can be grasped in real time, process changes and additions can be performed immediately, eliminating waste of over-production and delivery delays.

  Furthermore, in the past, product-specific input was performed while confirming various product specifications for each product. In the present invention, however, only items that meet the input conditions are sequentially displayed by the product input program. -Now you can select, surely and smoothly.

  Furthermore, in the past, the amount of inventory was determined by human inventory and work-in-progress surveys, and the ordering of materials was determined by picking up and calculating the required amount and calculating from the amount of inventory. For example, it has become possible to construct a system that automatically displays the stock quantity and unordered quantity of materials in conjunction with input information, thereby simplifying inventory management and ordering work.

  Furthermore, until now, production management data has been entered on a predetermined form and recorded and managed by analyzing anagro data. However, according to the present invention, necessary data is digitized to a PC terminal, It becomes possible to read the management bar code that is taken into the server from the portable terminal and the measuring instrument and pasted on the material, work-in-progress, etc. for each section of the production line based on this data, and the identification judgment can be repeatedly performed. Eliminate and reduce environmental impact.

  Furthermore, conventionally, in order to grasp the operating time of each manufacturing facility as maintenance management of the facility, it takes time and effort to record and count, but according to the present invention, the time data stored in the server is stored. Since it can be easily taken out, aggregated and analyzed, it can be managed accurately.

  Furthermore, the conventional product storage management becomes complicated and requires a lot of time due to the variety of products, but according to the present invention, the shipping operation / management utilizes the product data stored in the server. By doing so, it becomes possible to immediately search for the storage area of the shipped product and make the conformity judgment using the product barcode attached to each product, eliminating errors and greatly improving work efficiency. Similarly, inventory management can be grasped in real time.

It is a flowchart which shows an example of implementation of the system which concerns on this invention. It is explanatory drawing which shows the outline | summary of the office in the system of this invention. It is explanatory drawing which shows the outline | summary of a 1st reinforcing bar field same as the above. It is explanatory drawing which shows the outline | summary of a 2nd reinforcing bar field same as the above. It is explanatory drawing which shows the outline | summary of a 3rd reinforcing bar field same as the above. It is explanatory drawing which shows the outline | summary of a device place same as the above. It is explanatory drawing which shows the outline | summary of a concrete adjustment place same as the above. It is explanatory drawing which shows the outline | summary of a tension field same as the above. It is explanatory drawing which shows the outline | summary of a pile manufacturing place same as the above. It is explanatory drawing which shows the outline | summary of a curing ground same as the above. It is explanatory drawing which shows the outline | summary of a demolding field same as the above. It is explanatory drawing which shows the outline | summary of a storage yard same as the above. It is a flowchart of the operation | work in the office of the Example shown in FIG. It is a flowchart of the operation | work in the 1st rebar field-3rd rebar field same as the above. It is a flowchart of the operation | work in a work in process-storage yard same as the above. It is a flowchart of the work in a shipment / inspection place same as the above. It is explanatory drawing of the bar code seal used for the Example shown in FIG. 1, (a) is an iron wire bar code seal, (b) is a PC hard steel wire bar code seal, (c) is a PC steel bar bar code seal, (d) shows a deformed steel bar code seal. It is explanatory drawing of the bar code seal similarly used for the Example shown in FIG. 1, (e) is a PC steel bar bundle bar code seal with a head, (f) is a reinforcing bar bar code seal, (g) (h) Indicates a metal fitting bar code seal. It is explanatory drawing of the barcode seal | sticker similarly used for the Example shown in FIG. 1, (i) is a completed concrete pile barcode seal | sticker, (j) has shown the formwork barcode seal | sticker.

  Next, embodiments of the present invention will be described based on examples.

  Fig. 1 shows the schematic flow of this system. This system exchanges data with the main computer (server) installed in the office L, and the first rebar field A, which is responsible for the main rebar machining process, also forms rebar rods. The second rebar field B responsible for the process work, the third rebar field C responsible for the fitting mounting process, the work place D responsible for the formwork mounting process, the concrete adjustment field E responsible for the concrete mixing and charging process, the tension field responsible for the tension process F, each work of the pile making field G responsible for the centrifugal molding process, the curing field H responsible for the curing process, the removal field I responsible for the demolding process, the storage yard J responsible for the storage process, and the shipping / inspection field K responsible for the shipping process Work in parallel on site.

  As shown in FIG. 2, the office L is equipped with a server 40, a process management personal computer 41, a shipping management personal computer 42, and an office barcode printer 47l. It is connected to the equipment in the workplaces A to K.

  In the first rebar field A, as shown in FIG. 3, the original PC steel rod 10 received in a coiled state is hung on a molding machine, formed into a straight line, cut into a predetermined length, and cut. The end portion of the cut PC steel bar 11 is subjected to header processing for forming a head 12 for locking to a fixing plate for a tensioning operation described later, thereby forming a PC steel bar 13 with a head.

  In the second rebar field B, as shown in FIG. 4, a plurality of PC steel bars 13 with heads are arranged in a cylindrical shape, and the spiral bars 15 are wound around the outside to form a contact portion between the PC steel bars and the spiral bars. A cylindrical reinforcing bar 20 is formed by welding with an electric welder.

  In the third reinforcing bar field C, as shown in FIG. 5 (a), the fittings 21a and 21b are attached to both ends of the reinforcing bar bar 20 to form the reinforcing bar bar 22 with the joint hardware. Moreover, depending on the concrete pile which uses this, as shown in FIG.5 (b), the deformed steel bar 23 is also attached.

  As shown in FIG. 6, in the work-in-process field D, one half mold 25a of the half molds 25a and 25b constituting the mold 25 is turned upward, and the reinforcing bar rod 22 with fitting hardware is accommodated therein.

  In the concrete adjustment station E, concrete is mixed according to the type of concrete pile to be manufactured, kneading work is performed, and a necessary amount of ready-mixed concrete 26 is placed in a half mold 25a that accommodates the rebar rod 22 with fitting hardware. throw into. This charging is performed by moving the half mold 25a under the concrete discharge port of the concrete adjusting machine 27.

  The half mold 25a after the concrete charging operation is returned to the work place D, and the other half mold 25b is put on the half mold 25a to assemble the mold 25.

  In the adjustment site E, there is a concrete adjuster 27. The concrete adjuster 27 adjusts the ready-mixed concrete 26 with a predetermined composition and injects it into a half mold 25b in which the reinforcing bar rod 22 with fitting hardware is accommodated.

  In the tension field F, as shown in FIG. 8, a joint metal fitting in which a tension jack 30 is attached to a formwork 25 and the end of the PC steel bar 13 with head is fixed via a tension rod 31. The work of applying a desired tensile force to the PC steel rod 13 is performed by moving 21b in the tensile direction and supporting it on the fixing plate 32.

  In the pile making field G, as shown in FIG. 9, the formwork 25 from which the tensioning jack 30 mounted in the tensioning field is removed is set on the turning roller 34 of the centrifugal molding machine, and the formwork 25 is rotated by a predetermined amount. It is swirled at a speed for a predetermined time and is subjected to centrifugal molding.

  In the curing place H, as shown in FIG. 10, the mold-formed mold form 35 after centrifugal molding is accommodated in a steam curing tank 36, the boiler 37 is controlled by a curing management device, and steam for a predetermined time at a predetermined temperature. Carry out curing.

  In the demolding field I, as shown in FIG. 11, the molded steel containing mold 35 is taken out from the curing tank 36, and the fixing plate 32 is moved to the tension releasing side, whereby the tension fixing of the PC steel rod 18 by the fixing plate 32 is performed. Is released, and prestress is introduced into the product in the mold 25 to form a finished concrete pile 38. After that, the mold 25 is removed and the dimensions and appearance are inspected.

  In the storage yard J, the demolded finished concrete pile 38 is moved to a desired storage position by a crane and stored until shipping.

  At the shipping / inspection site K, the products to be shipped are transported from the storage position by a crane and loaded onto a truck. After that, the shipment inspection of predetermined items such as the state of the product and the loading state is performed, and if appropriate, the product is shipped.

  Next, the operation procedure of the system according to the present invention will be described with reference to the process explanatory diagrams of FIGS. 2 to 12 and the flowcharts shown in FIGS.

  In this example, the above-mentioned raw material PC steel bar, spiral rebar, each pile component of the end hardware, each material used such as formwork used for concrete pile molding, header processed PC steel bar, reinforcing bar rod, etc. Barcode seals are used for identification signs associated with manufactured products, concrete piles that are finished products, and bundles of processed PC steel bars, respectively, and barcodes are used for identification sign issuing devices that issue identification signs.

  In addition, a barcode reader is used as an identification mark reader for reading these identification marks.

  In the server 40 installed in the office L, a different name is set for each concrete pile having different conditions such as the diameter, length, strength, shape and performance of the joint hardware to be used, etc. In addition to attaching a product code to each, the joint hardware, steel material, and compound used for each product shall be accompanied by a joint hardware code, steel material code, and compound code coded for each type. In addition, the manufacturing conditions are previously recorded in the memory.

In the office L, for example, a multi-day process table for the first rebar field A, for example, a one-day process table with a unit of one day, and a 1-day process table for the second rebar field B and the demolding field I. Create a daily schedule, check the inventory of rebars, PC steel bars, fittings, etc. recorded in the server 40, calculate the shortage within the required period, and place orders for these materials Data on the finished material is converted into a barcode, and each material barcode seal BCS1 is created by the office printer 47l.

  As shown in FIGS. 17 (a) to 17 (d), the material bar code seal BCS1 for iron wires, PC steel bars, and deformed steel bars, which are the purchased materials, is each of the material, diameter, coil weight, coil number, and acceptance inspection date. Along with the character notation, a material bar code BC1 in which these are coded is indicated.

  In addition, the fitting hardware bar code seal BCS4 for the fitting hardware that is the purchased material is a fitting hardware bar that encodes these together with the name of the hardware, the hardware number, the delivery date, and the manufacturer name as shown in FIG. The code BC4 is written.

  In the first reinforcing bar A, the multi-day schedule and the one-day schedule created in the office are displayed on the printed paper or the monitor of the first reinforcing bar handy terminal 45a.

  The worker of the first reinforcing bar selects the name of the pile using the PC steel bar that needs to be cut on that day from the daily schedule, and the name and the number of piles are transferred from the first reinforcing bar handy terminal 45a to the server 40. To enter. As a result, the type, diameter, cutting length, number of stocks, and number of shorts of the PC steel bars necessary for the stake of the nominal name are displayed on the monitor of the first reinforcing bar handy terminal 45a.

  The operator visually confirms the display of the bar, and after entering the number of cuts and the name code of the pile that uses them into the first rebar field handy terminal 45a, the material of the PC bar or PC hard steel material bar code seal BCS1 The bar code BC1 is read by the first reinforcing bar bar code reader 46a, and both of these data are sent to the server 40.

  The server 40 determines whether or not the material bar code BC1 read by the first reinforcing bar bar code reader 46a matches the name code of the pile selected by the operator, and displays pass / fail on the handy terminal. If not, the inspection request lamp of the handy terminal is turned on. In this case, the PC steel bar or the PC hard steel wire is selected again and the reading by the barcode reader 46a is repeated.

  In the case of conformity, after inputting the number of the temporarily cut PC steel bars 11 from the handy terminal 45a, the operator hangs the original PC steel bar 10 wound in a coil shape selected to be cut on the molding machine and straightens it. 2 and is cut into a predetermined length, and the end of the cut PC steel bar 11 after cutting is locked to a fixing plate for tension work described later, as shown in FIG. 2 (b). Header processing for forming the head 12 is performed.

  After processing the PC steel bar, after inputting the number of confirmed cut PC steel bars 11, the number of the cut PC steel bars 11 recorded in the server 40 and the uncut raw PC steel bar 10 inventory according to the confirmed data PC steel bar bundle with a head displaying the PC steel bar bundle bar code BC2 with a head encoded with the specific data and number data of the PC steel bar cut by the bar code seal printer 47a as the data is updated Print out barcode sticker BCS2.

  After completing the predetermined number of processes in this way, the PC steel bar bundle bar code seal BCS2 with head is attached to the PC steel bar bundle 13a with head after processing and moved to a predetermined storage location for storage. To do.

  In the second rebar field B, the name code of the pile in which the steel bar to be manufactured is used is input to the second rebar field handy terminal 45b and sent to the server 40 based on the one-day schedule created in the office.

  Correspondingly, rebars, steel bars and other specifications are sent from the server 40 to the handy terminal, and the operator follows the specifications and the bundle of rebars and header-processed PC steel bars 13 with heads, that is, PC steel bars with heads. The bundle 13a is selected, the barcode BC2 of the PC steel bar bundle barcode sticker BCS2 attached to the bundle 13a is read by the second reinforcing bar bar code reader 46b, and the number of reinforcing bar rods to be manufactured and the server Send to 40. In the server 40, the data inputted whether or not the selection based on the specification is correct by the worker is compared with the specification recorded in the database of the server 40. Turn on the compatible lamp of 45b and rewrite the inventory data of the machined PC steel bar 13 with head and paste it to the rebar rod 20 manufactured at the second rebar field B from the second rebar field bar code seal printer 47b. Rebar bar code sticker BCS3 is issued for wearing.

  The PC steel bar bundle bar code seal BCS2 with a head is attached to a bundle of the remaining reinforcing bars bundled in the second reinforcing bar field, and moved to a storage yard for storage. The reinforcing bar bar code seal BCS3 is affixed to the manufactured reinforcing bar bar 20.

  As shown in Fig. 18 (f), the reinforcing bar bar code seal BCS3 is written with the name of the pile, the name of the upper hardware, the name of the lower hardware, and the date of processing, and the rebar that has been encoded. A bar code BC3 is printed.

  Moreover, in the server 40, the manufacture history of the reinforcing bar for each pile name is recorded in the memory at the same time when the bar code seal is issued.

  In the third rebar field C, the rebar bar 20 to be worked is selected before the fittings 21a and 21b are mounted on the rebar bar 20 manufactured in the second rebar field B, and the rebar bar 20 is selected. The bar bar code BC3 attached to the bar bar is read by the third bar bar code reader 46c, and the types of fittings 21a and 21b and the deformed bar 23 adapted to the bar bar 20 are displayed.

The operator visually confirms the displayed fitting hardware 21a and 21b at the hardware storage place, and thirdly attaches the fitting hardware barcode BC4 of the fitting hardware barcode seal BCS4 attached to the fitting hardware to be used. It is read by the reinforcing bar bar code reader 46 c and sent to the server 40.

As shown in FIGS. 18 (g) and 18 (h), the joint hardware bar code seal BCS4 displays the name of the hardware, the hardware number, and the manufacturer name, and the joint hardware barcode BC4 in which these are coded. .

The server 40 determines conformity with the previously read reinforcing bar bar code BC3, and if it conforms, turns on the conforming lamp of the third rebar field handy terminal 45c . Record the selected fitting hardware data in the history.

  The operator confirms that the matching lamp is lit, moves the fitting to the third reinforcing bar field, and assembles the fitting to the reinforcing bar bar in the same manner at both ends of the reinforcing bar bar.

  Further, when it is necessary to assemble the modified steel bar 23 to the reinforcing bar bar, the third bar bar code reader 46c reads the reinforcing bar bar code BC3 of the reinforcing bar bar 20 to which the fittings 21a and 21b are assembled. The required deformed bar 23 is displayed on the third rebar field handy terminal 45c by sending it to the server 40, and based on the display, the operator selects the necessary deformed bar by visual observation, and the deformed bar that is attached to this The bar code (shown in FIG. 15 (d)) is read by the third reinforcing bar bar code reader 46 c and sent to the server 40.

In this way, the server 40 determines the compatibility of both, and if it matches, turns on the compatibility lamp of the handy terminal. At the same time, data on the deformed bar 23 is recorded as a history in the manufacturing history, and the number of used bars is subtracted to update the stock record of the deformed bar.

  In the formwork mounting process in the work place D, the rebar bar code BC3 of the joint bar with joint metal fittings and, if necessary, the joint bar and the modified steel bar 22 are read by the work place bar code reader 46d. As a result, the form 25 suitable for the reinforcing bar 22 is displayed from the server 40 to the work-in-process handy terminal 45d. Based on the display, the operator visually selects a formwork, reads the formwork bar code BC6 of the formwork bar code seal BCS6 attached to the formwork by the work bar code reader 46d, and causes the server 40 to read it. send.

  As shown in FIG. 19 (j), the form title bar code sticker BCS6 has a sticker title, form number, form form registration number, name, length, and form written in characters, and these form form bar codes are encoded. A code BC6 is formed.

In the server 40, to determine the compatibility of and the reinforcing bar cage 22 sent mold 25, if compatible with lighting the widget field handy terminal 45d fit lamp, data server 40 about the mold used Is recorded in the manufacturing history of the internal memory, and the reinforcing bar 22 and the mold 25 are linked.

  In this state, the rebar rod is inserted into the lower mold frame in which the cylindrical mold frame is divided into upper and lower halves, and this state is sent to the concrete adjustment site.

  In the concrete adjustment station E, various types of concrete adjustment patterns are set in the concrete adjuster controller 51 that uses a personal computer of the concrete adjuster 27 to determine the composition of concrete materials and the amount of concrete input for each pile to be manufactured. A symbol is attached to each pattern and stored.

The bar code BC3 of the reinforcing bar 22 in the formwork 25 sent to the concrete adjustment site E is read by the adjustment site barcode reader 46e and sent to the server 40. As a result, a concrete adjustment pattern that matches the concrete pile of the reinforcing bar 22 is displayed on the adjustment field handy terminal 45e, and data relating to the concrete adjustment is recorded in the manufacturing history of the memory of the server 40.

  Based on this display, the items necessary for concrete adjustment and input are input to the concrete adjuster controller 51, and the operation start switch is operated to automatically adjust the concrete and input the concrete into the lower mold. Make it.

  After completion of the concrete loading, the concrete loading result is automatically taken into the server 40 from the concrete adjuster controller 51.

In the tension field F, the tension field bar code reader 46f reads the reinforcing bar bar code BC3 in the form 25 that has been supplied with concrete and sends it to the server 40. The server 40 displays the tension condition suitable for the concrete pile using the reinforcing bar bar of the reinforcing bar bar code BC3 on the tension field monitor 55f. At the same time , data on the tension condition is recorded in the manufacturing history of the server 40.

  In the tension field F, as shown in FIG. 8, while setting the tension of the tension work machine based on the display of the tension field monitor 55f, collect the reinforcing bar bar code seal BCS3 and attach various tension work equipment. At the same time, tension work is performed in a state where the upper split mold 25b is combined with the lower half mold 25a. After the tension work is completed, the tension data is automatically taken into the server 40, and the centrifugal molding machine number is input to the server 40 from the tension field monitor 55f and recorded in the manufacturing history.

  In the pile making field G, the formwork 25 after the end of the tension work in the tension field F is installed on the turning roller 34 of the centrifugal molding machine of the number recorded previously.

  Next, after setting the centrifugal molding conditions such as rotation speed and rotation time in the controller of the centrifugal molding machine where the mold is installed, turn on the centrifugal molding start switch and automatically perform the centrifugal molding work according to the entered conditions Make it. The molding result is recorded in the server 40, collated / passed / failed with preset centrifugal molding conditions, and all recorded in the manufacturing history of the memory of the server 40.

  The formwork barcode seal BCS6 attached to the formwork 25 is removed before entering the centrifugal molding operation, and is attached to the formwork again after completion of the centrifugal molding.

  In curing ground H, after confirming the match between the name of the pile displayed on the curing tank handy terminal 45g and the form number, and the form number previously written on the upper surface of the form, enter the steam curing tank number, The molded uncured product with the frame number bar code seal BCS6 attached is moved into the steam curing tank 36.

  Curing inputs curing conditions to the steam curing tank controller 52 using a personal computer. This condition is input according to the display on the curing site monitor 55h connected to the server 40, and is recorded in the memory manufacturing history upon completion of the input.

  As for the movement to the demolding field I, the crane staff takes out the mold-containing product that has been cured from the steam curing tank 36 and moves it in accordance with the one-day process instructions created at the office.

  In the demolding field, the mold bar code BC6 attached to the mold by the demolding field bar code reader 46i is sent to the reading server 40, so that the demolding field bar code seal printer 47i is used in FIG. 19 (i). The finished product bar code seal BCS5 shown is issued. This product bar code seal BCS5 is attached to the pile head end face of the finished concrete pile 38 after demolding and moved to the storage yard.

  The storage yard J is divided into yard in advance, the storage yard operator reads the product barcode seal BCS5 by the storage yard barcode reader 46j, the crane operator moves from the mold release site to an appropriate storage space, and the storage yard handy The yard division number is recorded at the terminal 45j and written in the inventory management record in the memory of the server 40. When the storage location is changed at the destination, the finished product barcode BC5 of the finished product barcode seal BCS5 is read by the storage yard barcode reader 46j and the destination division number is input to the storage yard handy terminal 45j. Send to 40. As a result, the inventory management record in the memory of the server 40 is updated.

  At the shipping / inspection site K, at the time of shipping, the bar code described in the loading instruction prepared at the office is read by the shipping / inspection site bar code reader 46k and sent to the server 40, whereby the shipping / inspection site handy terminal In 45k, the division number in which the finished product is stored is displayed. Based on this, the worker moves to the storage location of the division number, reads the barcode BC5 of the product barcode seal BCS5 of the finished concrete pile 38 stored there, and reads it to the server 40 by the shipment / inspection site barcode reader 46k. send.

  The server 40 determines whether or not it is a completed product of the loading instruction. If it is suitable, the conforming lamp of the shipping / inspection site handy terminal 45k is turned on and the inventory management record is updated. The operator visually confirms that the compatible lamp is lit and operates the crane to load the vehicle on a predetermined vehicle.

  After loading, inspect according to the predetermined inspection items and confirm that the predetermined standard is reached before shipping.

L Office A 1st Reinforcement Field B 2nd Reinforcement Field C 3rd Reinforcement Field D Work In progress E Concrete Coordination Field F Tension Field G Peeling Field H Curing Field I Demolding Field J Storage Yard K Shipping / Inspection Field 10 Original PC Steel bar 11 Cutting PC steel bar 12 Head 13 PC steel bar with head 13a PC steel bar bundle with head 15 Spiral bar 20 Reinforcing bar 21a, 21b Fitting metal 22 Reinforcing bar 23 with fitting metal Deformed bar 25 Mold 25a, 25b Half type 26 Ready concrete 27 Concrete adjuster 30 Tension jack 31 Tension rod 32 Fixing plate 34 Turning roller 35 Molded form 36 Steam curing tank 37 Boiler 38 Complete concrete pile 40 Server 41 Process management PC 42 Shipment PC 43 for management Wireless device 45a First rebar field handy terminal 45b Second rebar field handy terminal 45c Third rebar field handy terminal 45d Work in progress Handy terminal 45e Adjustment field handy terminal 45f Tension field handy terminal 45g Curing tank handy terminal 45j Storage yard handy terminal 45k Shipping / inspection field Handy terminal 46a First rebar field bar code reader 46b Second rebar field bar code reader 46c Third rebar field Bar code reader 46d Work place bar code reader 46e Adjustment bar code reader 46f Tension bar code reader 46i Demolding bar code reader 46j Storage yard bar code reader 46k Shipping / inspection bar code reader 47a No. 1 bar bar code seal Printer 47b Second Rebar Barcode Seal Printer 47i Demolding Site Barcode Seal Printer 47l Office Barcode Printer 51 Concrete Controller Controller 52 Steam Curing Tank Controller 55 Tension field monitor 55h Curing place monitor BC1 Material bar code BCS1 Material bar code seal BC2 Head with PC steel bar bundle bar code BCS2 Head with PC steel bar bundle bar code seal BC3 Rebar bar code BCS3 Rebar bar code bar seal BC4 Joint Metal bar code BCS4 Joint metal bar code seal BC5 Product bar code BCS5 Product bar code seal BC6 Formwork bar code BCS6 Formwork bar code seal

Claims (4)

Cutting the raw material PC steel bar, the main bar processing step that headers the end of the steel bar, the main bar obtained by the steel material processing step is arranged in a cylindrical shape, and the spiral bar is wound around and welded to rebar bar Reinforcing bar forming process to be formed, end fitting mounting process for attaching predetermined end fittings to both ends of the reinforcing bar punch obtained by the reinforcing bar punching process, and end fittings obtained in the end fitting mounting process A mold assembly process for assembling a mold by assembling the attached reinforcing bar rod into a predetermined concrete centrifugal mold, and then injecting the concrete into the mold, and then centrifuging by a centrifugal molding machine after the PC steel bar is tensioned. When manufacturing concrete piles manufactured through the process,
A server having a database that records manufacturing conditions such as materials used, concrete composition, main muscle tension, centrifugal molding, etc. for each concrete pile, a terminal for the server, and a terminal attached to the terminal in each of the above steps Using the identified identification sign reader,
In the raw material PC steel bar, spiral rebar, each pile component part of end hardware, each used material such as formwork used for concrete pile molding, header processed PC steel bar, intermediate manufactured product such as rebar rod, finished product Each concrete pile is accompanied by an identification mark that identifies them,
In the main bar processing step, the reinforcing bar punching step, and the end fitting mounting step, the necessary PC steel bars and reinforcing bars are entered from the server database by inputting the type of the concrete pile to be manufactured from the terminal to the server. , Display the list of used materials such as end hardware,
The identification mark attached to the material selected by the operator based on the display is read using an identification mark reader, and the data is sent to the server to determine the quality of the selection. When it is correct , the data on the material used selected by the operator is recorded in the server as the manufacturing history of the concrete pile to be manufactured . production management system.   In the main rebar processing step, the PC steel bar is cut and header processed based on a predetermined process table, and the number of raw material PC steel bars used each time is input to the server from the terminal and used as the raw material PC steel. Rewrite the stock data of the bar, update the stock data of the processed PC steel bar by inputting the PC steel bar specific data and the number of the processed PC steel bar processed in the main bar machining process to the server from the terminal, A bundle of finished PC steel bars is attached with individual identification marks indicating the unique data and number of the processed PC steel bars, and the number of the processed PC steel bars is used each time the processed PC steel bars are used in the reinforcing bar forming process. The standardized centrifugation according to claim 1, wherein the standardized centrifuge is registered in the server, the inventory number data is updated, and the individual identification display data of the remaining bundle of processed PC steel bars is updated and attached. Production management system of concrete piles. An individual reinforcing bar scissors identification mark for identifying the reinforcing bar scissors is attached to the reinforcing bar scissors formed by the reinforcing bar scissor forming step, and the reinforcing bar scissors identification mark is an identification mark reading device in each processing step after forming the reinforcing steel bar scissors. The necessary machining work conditions are output by inputting to the server from the terminal, and after the machining work performed based on the outputted conditions is completed, the machining work progress data is sent to the server The production management system of the standardized centrifugally-formed concrete pile according to claim 1 or 2, wherein the manufacturing progress data of the concrete pile in the middle of manufacture is rewritten. 4. The standardized centrifuge according to claim 1, wherein each identification mark is a bar code sticker , the identification mark reading device is a bar code reader, and the identification mark issuing device is a bar code seal printer. Production control system for molded concrete piles.

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