JP5032279B2 - Rehabilitated tire manufacturing method and rehabilitated tire manufacturing management system - Google Patents

Description

This invention, in producing a retreaded tire from used pneumatic tires, comprising the production conditions to be made to the pneumatic tire has been said use, method for producing a retreaded tire that manages specific information of tires already pneumatic said uses And a remanufactured tire manufacturing management system .

  Pneumatic tires are made by attaching tread rubber that touches the road surface to the base tire, and the base tire often wears with use even after the life of the tread rubber has expired. The tread rubber part is covered with new rubber or recycled tire materials and used again as retreaded tires. Rehabilitation method for manufacturing retreaded tires is roughly classified, and a non-patterned unvulcanized tread rubber is affixed to a base tire, vulcanized in a mold, and a pattern is applied (hot retreading method) There are two types: a pre-curing method (cold retreading method) in which a pre-cured tread with a vulcanized pattern is attached to a base tire without using a mold and vulcanized in a vulcanizing can.

  And, in accordance with any method, the retread tire is generally inspected for inspecting the state of the used pneumatic tire as described in Patent Document 1, and the grinding step for grinding the outer surface of the used pneumatic tire. , A repair process for repairing a faulty portion remaining on the outer surface of the tire, a molding process for attaching a vulcanized or unvulcanized tread rubber to the outer surface of the tire, and a vulcanized can or vulcanized gold for the molded tire Manufactured through a vulcanization process using a mold.

Here, used pneumatic tires have different usage environments, years of use, etc., and their wear and damage conditions naturally differ from tire to tire. In addition, it is necessary to manage production in detail for each process. Therefore, in the past, tire quality information for each process, information on the person engaged in the work, identification information such as identification numbers, etc. are entered on paper, put into the tire and sent to the next process, and finally the product (regenerated tire) After the inspection, the paper was taken out before shipment, and this information was entered into a database to manage production.
JP 2006-281683 A

  However, when manufacturing and managing retreaded tires in this way, tire specific information must be entered on a piece of paper for each tire and for each process, and it is also necessary to take out and put in paper. There is a problem that the number of work steps increases. Furthermore, since the task of entering the tire specific information on the paper is done manually, there is also a problem of entry mistakes.

Therefore, an object of the present invention is to solve these problems. An object of the present invention is to provide a method for manufacturing a retread tire and a retread that can reduce the number of work steps and prevent occurrence of entry errors. The object is to provide a tire manufacturing management system .

In order to achieve the above object, a first invention includes a manufacturing condition of the used pneumatic tire including manufacturing conditions performed on the used pneumatic tire when manufacturing a retread tire from the used pneumatic tire. The unique information is written in an IC tag that is movably disposed inside the used pneumatic tire in the transport posture when the used pneumatic tire is transported, and is written in the IC tag in the transport posture. A method for manufacturing a retread tire, wherein the unique information is read out. By adopting such a configuration, the unique information of the used pneumatic tire is written to and read from the IC tag. Therefore, production management of retreaded tires can be performed for each tire and for each process. In addition, it is not necessary to write the unique information on paper, so that the work process can be reduced and no entry error occurs.

In the retread tire manufacturing method configured as described above, it is preferable to transmit the unique information written in the IC tag to the main server.

In order to achieve the above-mentioned object, the second invention includes a manufacturing condition of the used pneumatic tire including manufacturing conditions performed on the used pneumatic tire when manufacturing a retread tire from the used pneumatic tire. In a retreaded tire manufacturing management system that manages unique information, an IC tag that is movably disposed inside the used pneumatic tire and that can store the unique information, and the unique information can be written to the IC tag. Read the unique information written in the IC tag and the writer installed at the position corresponding to the lower part of the used pneumatic tire when viewed from the transport posture when the used pneumatic tire is transported A reader installed at a position corresponding to a lower portion of the used pneumatic tire or the manufactured retreaded tire when viewed in the conveying posture. A production management system of retreading, characterized in that it comprises a. The “conveying posture” here means a posture in which the axis of the used pneumatic tire or the manufactured retread tire is substantially parallel to the ground.

By adopting such a configuration, the unique information of the used pneumatic tire is automatically written in the IC tag by the writer and is automatically read by the reader. Further, since the IC tag is movably disposed inside the used pneumatic tire, the IC tag is positioned at the lower part of the tire in the conveying posture, while the writer and the reader are used in the used pneumatic tire in the conveying posture. Since it is installed at a position corresponding to the lower portion of the tire, writing and reading of the unique information of the used pneumatic tire with respect to the IC tag is surely performed. Therefore, production management of retreaded tires can be performed for each tire and for each process. In addition, it is not necessary to write the unique information on paper, so that the work process can be reduced and no entry error occurs.

In the production management system for retread tires configured as described above, the IC tag is preferably a sphere.

The IC tag preferably has a heat resistant and pressure resistant structure.

Furthermore, it is preferable that the remanufactured tire manufacturing management system further includes a main server communicatively connected to the reader and the writer.

According to the retreaded tire manufacturing method and the retreaded tire manufacturing management system of the present invention, it is possible to reduce the work process and to prevent the occurrence of entry mistakes.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings, taking as an example a case of manufacturing a retread tire from a used pneumatic tire (hereinafter referred to as “used tire”) according to a cold retreading system.

  The production management system for a retread tire according to the present invention is a production management system for a retread tire capable of managing specific information of a used tire when producing a retread tire from a used tire, and is used particularly in a predetermined production process. This is a system for managing the unique information of used tires, including manufacturing conditions for used tires. Here, the used tire which is a target of the system of the present invention is not particularly limited as long as it is a pneumatic tire, and can be applied to any tires for automobiles, aircraft, special vehicles, and the like. Furthermore, the system of the present invention can be applied to any of a hot retreading method and a cold retreading method.

  FIG. 1A to FIG. 1D show an order in manufacturing a retread tire from a used tire according to a cold retreading method. In manufacturing retreaded tires from used tires, first, in the inspection process (Fig. 1 (a)), the used tire 3 is inspected for appearance, nail holes, scratches, and other damage and damage on the inspection table 1. (Excluding whether rehabilitation is possible or not, excluding those that cannot be rehabilitated), and then grinding the used tire 3 that can be rehabilitated with the lifter 5 in the grinding step (FIG. 1 (b)). This is set in an apparatus (not shown), and the outer peripheral surface of the tread is removed by grinding (including partial grinding of the used tire 3 and repair such as hole filling), and then a molding process (FIG. 1 (c) )), The used tire 3 is mounted on a support base 7 that rotatably supports the vulcanized tread and the vulcanized tread is attached to the outer peripheral surface of the used tire 3 via cushion rubber. (Fig. 1 (d)) tread is pasted The used tires 3 attached is inserted into a vulcanizer 9 performs vulcanization of cushion gum at a given temperature, pressure.

  Here, the production management system for retread tires of this embodiment is arranged inside the used tire 3 before production, and is taken out from the IC tag 11 before shipment, and predetermined information is written to the IC tag 11. Possible writers 13a to 13d and a reader 15 capable of reading predetermined information from the IC tag 11 are provided.

  The IC tag 11 is an ultra-compact communication terminal having an IC chip and a wireless antenna. When the used tire 3 is subjected to, for example, grinding, repair, vulcanization, etc. on the IC chip in the above steps. The unique information of the used tire 3 including various conditions can be recorded. The IC chip and the wireless antenna are covered with a case, and the case has a spherical shape or a shape close to a spherical shape so as to roll freely when the IC tag 11 is disposed inside the used tire 3. Further, it is preferable to use a heat and pressure resistant material (a material capable of withstanding at 6 kPa and 130 ° C. for 2 hours in the case of the cold rehabilitation method) so as to withstand the temperature and pressure during vulcanization. Specifically, ceramic can be used.

The writers 13a to 13d are installed in each process, and communicate with the IC tag 11 when the used tire 3 is placed in a conveying posture (a posture in which the axis of the used tire 3 is substantially parallel to the ground). It is installed at a position corresponding to the lower part of the used tire 3 in the transport posture so as to be possible. Specifically, it is arranged on the inspection table 1 in the inspection process, on the lifter 5 in the grinding process, on the support base 7 in the molding process, and on the movement path of the used tire 3 in the vulcanization process. .

  As shown in FIG. 1 (e), the reader 15 is installed on a product inspection table 14 that performs product inspection before shipment, at a position corresponding to the lower portion of the regenerated tire 3 ′ in the transporting posture.

  Below, the operation | movement in each part when manufacturing the retreaded tire 3 'from the used tire 3 is demonstrated.

  First, after the IC tag 11 is arranged inside the used tire 3, the used tire 3 is placed on the inspection table 1 in the inspection process in a conveying posture. Then, the used tire 3 is inspected and the writer 13a installed on the inspection table 1 is used to manufacture the IC tag 11 with the date and time of manufacture, the name of the operator, the size / type of the tire, the degree of wear / breakage of the tire, and the identification. The unique information of the used tire 3 such as a number is written. Next, in the grinding process, the outer peripheral surface of the used tire 3 is ground and the writer 13b installed on the lifter 5 is used to identify the specific information such as grinding conditions, repair conditions, and operator name for the IC tag 11. Write. Next, in the molding step, the ground used tire 3 is supported on the support base 7, and the vulcanized tread is pasted on the outer peripheral surface of the used tire 3 via cushion rubber, and the support base 7 is used to write specific information such as molding conditions and operator name to the IC tag 11. Next, in the vulcanization process, the molded used tire 3 is vulcanized, and the writer 13d installed on the movement path of the used tire 3 is used to vulcanize the IC tag 11 with a vulcanization temperature and pressure. In addition, unique information such as time and operator name is written. Next, the retreaded tire 3 ′ manufactured through these manufacturing processes is inspected on the product inspection table 14, and the unique information recorded on the IC tag 11 is read using the reader 15 on the product inspection table 14, and a database (illustrated). (Omitted).

  According to the retread tire manufacturing management system and the retread tire manufacturing method of this embodiment, the unique information of the used tire 3 is automatically written in the IC tag 11 by the writers 13a to 13d and automatically read by the reader 15. Is done. Further, since the IC tag 11 is movably disposed inside the used tire 3, the IC tag 11 is positioned at the lower portion of the tire in the transport posture, while the writers 13a to 13d and the reader 15 are in the transport posture. Since it is installed at a position corresponding to the lower portion of the used tire 3 or the retreaded tire 3 ′, writing and reading of the unique information of the used tire 3 with respect to the IC tag 11 is surely performed. Therefore, production management of retreaded tires can be performed for each tire and for each process. In addition, it is not necessary to write the unique information on paper, so that the work process can be reduced and no entry error occurs.

  In addition, it is preferable to provide the main server (illustration omitted) connected to the manufacture management system of the retreaded tire so that communication with the reader | leader 15 and writer 13a-d was possible. According to this, since the unique information of the used tire 3 read by the reader 15 can be automatically transmitted to the main server and recorded, it is possible to further reduce the work process and eliminate the input error to the database. .

  Further, the writers 13a to 13d in each process and the main server (not shown) may be communicably connected. According to this, the unique information of the used tire 3 read in each process is instantaneously transmitted to the main server. Since the information can be transmitted, the unique information can be secured even when the IC tag 11 breaks down.

  Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described embodiments, and can be appropriately changed within the scope of the claims. For example, the reader and the writer It may be provided in a part of a predetermined manufacturing process (inspection process, grinding process, molding process, vulcanization process, etc.) or may be provided in all processes. Further, the place where the reader and writer are installed is not limited to the illustrated example as long as it can communicate with the IC tag movably disposed inside the used pneumatic tire or the retreaded tire. In addition, by inputting the process in the grinding process into the IC tag in advance, the grinding conditions can be read out by the grinding apparatus and grinding can be performed automatically.

The method for manufacturing a retread tire and the manufacturing management system for a retread tire according to the present invention make it possible to reduce the number of work steps and to prevent mistakes in entering specific information of a used tire.

It is the schematic diagram which showed the order at the time of manufacturing a retread tire from a used pneumatic tire by applying the manufacture management system of the retread tire according to embodiment of this invention.

DESCRIPTION OF SYMBOLS 1 Inspection stand 3 Used tire 3 'Rehabilitation tire 5 Lifter 7 Support stand 9 Vulcanization can 11 IC tag 13a-d Writer 14 Product inspection stand 15 Reader

Claims (6)

In manufacturing retreaded tires from used pneumatic tires,
Specific information of the used pneumatic tire, including manufacturing conditions performed on the used pneumatic tire, in the transport posture when the used pneumatic tire is transported, Write on an IC tag that can be moved inside,
A method for manufacturing a retread tire, wherein the unique information written in the IC tag is read out in the transport posture. The method for manufacturing a retread tire according to claim 1, wherein the unique information written in the IC tag is transmitted to a main server. In manufacturing a retread tire from a used pneumatic tire, a production management system for a retread tire that manages specific information of the used pneumatic tire, including manufacturing conditions performed on the used pneumatic tire.
An IC tag that is movably disposed inside the used pneumatic tire and capable of storing the unique information;
The unique information can be written to the IC tag, and a writer installed at a position corresponding to a lower portion of the used pneumatic tire when viewed from the transport posture when the used pneumatic tire is transported,
The unique information written in the IC tag can be read out, and includes a reader installed at a position corresponding to the lower part of the used pneumatic tire or the manufactured retread tire in the conveying posture. A production management system for retreaded tires. The retreaded tire manufacturing management system according to claim 3, wherein the IC tag is a sphere. The retreaded tire manufacturing management system according to claim 3 or 4, wherein the IC tag has a heat-resistant and pressure-resistant structure. The rehabilitated tire manufacturing management system according to any one of claims 3 to 5, further comprising a main server communicably connected to the reader and writer.

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