JP2009269233A - Monitor and monitoring method for bonded member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a monitor capable of monitoring accurately and precisely the abnormality of a bonded member bonded onto a rotating object to be molded, without affecting a molding speed, by simple constitution. <P>SOLUTION: The bonded member R molded by an extruder 60 is supplied toward a rotating molding drum 70, and is bonded onto an outer circumferential part of an unvulcanized tire GT to be wound and laminated. A distance measuring means 2 is provided in an upper side of the bonded member R in the midway of supply, to measure continuously a distance with respect to the bonded member R before bonded, and a measured result is output to an abnormality detecting means 10. The abnormality detecting means 10 compares a distance measured value with a preset distance reference value, and determines the abnormality of the bonded member R, based on a distance comparison result. The bonded member R is monitored all the time in the midway of supply, to detect the abnormality such as torsion and displacement of the bonded member R, by this manner. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a monitoring device and a monitoring method for a sticking member that is supplied toward a rotating molded body and is stuck on the molded body.

  For example, as a tire manufacturing device, conventionally, unvulcanized ribbon-like rubber extruded by an extrusion device is continuously supplied to a molded object such as a rotating molding drum or a rigid core, and the tread is wound while being continuously applied. And the like are known. As described above, in the tire manufacturing (molding) process, a predetermined pasting member is supplied and pasted to a rotating molded body from various supply devices, and each tire constituent member is sequentially formed on the outer surface to form a predetermined shape. An unvulcanized tire (green tire) is molded.

  By the way, in order to ensure the quality of the tire to be molded in this way, conventionally, the pasting member is not divided or cut, or the pasting of the pasting member to the molded body (missing swing) or the pasting member unwinding is conventionally performed. A means for detecting is provided to monitor each process. However, these are not means for monitoring the supplied sticking member itself, and there is a possibility that normality or abnormality of the sticking member cannot be sufficiently confirmed.

  On the other hand, conventionally, there is also known an apparatus for measuring the profile (outer shape) of a sticking member wound around a molding drum on a molding drum that is rotated by image processing or a laser displacement sensor, and judging the quality of tire molding. (See Patent Document 1).

  However, even with such a conventional apparatus, the pasting member itself cannot be monitored directly, and abnormalities of the pasting member are detected as a whole and indirectly after being pasted by checking the molded member (molded product). And monitor. Therefore, for example, when twisting or winding disturbance of the sticking member continues, the abnormality can be detected, but the partial abnormality of the sticking member cannot be detected, and the entire longitudinal direction is accurate and highly accurate. There is a problem that cannot be monitored. At the same time, although the quality of the whole is known, it is impossible to detect and judge the variation or extent of the variation in one sticking member or between lots, or where the sticking member is abnormal. Appropriate response to is difficult.

  In addition, in order to acquire such data or constantly monitor the abnormality of the adhesive member and deal with each of the above problems, a sensor for measuring the adhesive member on the molding drum and an analysis / determination means for the measurement result Etc., and it is necessary to perform complicated processing, which complicates the configuration and increases the cost. On the other hand, if the rotational speed of the molding drum and the winding speed of the sticking member are slowed down, it is possible to constantly monitor the sticking member without improving the performance of the sensor and each means. It can be detected and monitored with high accuracy. However, in such a case, the molding speed is reduced as the speeds are lowered, resulting in a problem that productivity is lowered.

JP 2004-299184 A

  The present invention has been made in view of the above-mentioned conventional problems, the purpose of which is that the abnormality of the pasting member to be pasted on the rotating molded body without affecting the molding speed with a simple configuration, It is to be able to detect and monitor accurately and accurately, and to always monitor it.

The present invention relates to a monitoring device for a sticking member that is supplied toward a rotating molded body and is stuck on the molded body, and measures a distance between the pasting member that is being supplied to the molded body. It is characterized by comprising measuring means and detecting means for detecting an abnormality of the sticking member based on a measurement result by the measuring means.
Further, the present invention is a method of monitoring a sticking member that is supplied toward a rotating molded body and is pasted on the molded body, and the distance between the pasting member in the middle of feeding toward the molded body is determined. It has a measurement process to measure, and a detection process to detect abnormality of the pasting member based on a measurement result of distance.

  According to the present invention, it is possible to detect and monitor an abnormality of a pasting member to be pasted on a rotating molded body accurately and accurately with a simple configuration without affecting the molding speed, and can always monitor the abnormality. It becomes.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
The monitoring device for affixing member according to the present embodiment, when affixing members that are continuously supplied toward a rotating molded object are sequentially affixed on the object to be molded (manufactured). This is a device for monitoring the sticking member supplied from the supply device, and detecting and grasping the abnormality.

  Here, the affixing member is a member that is formed of a material according to a molded product to be molded, and is affixed to the molded body in conjunction with its rotation to form the molded product. It is formed in a relatively long shape with a predetermined cross-sectional shape corresponding to the pasting mode and the like. In addition, the supply device for the sticking member is a device that can continuously supply the sticking member toward the object to be molded according to the molding of the molded product. The formed affixing member is wound up and stored in a predetermined state, and supplied by sequentially pulling it out.

  Furthermore, the molded body is an object to which the pasting members are sequentially arranged and pasted, a support body having a predetermined shape that supports the pasting member, an inner mold or a core body disposed in the molded product, and In-molded products and work-in-progress products placed on them are included. Therefore, for example, in the case of a tire manufacturing apparatus, the molded body is a rigid core having an outer surface shape corresponding to the inner surface shape of the tire, a molding drum in which a tire constituent member is disposed on the outer peripheral side, or disposed on them. It corresponds to unvulcanized tires and intermediate bodies in the middle of molding, or base tires in retreaded tires.

  In the present embodiment, a molding drum is used as the molded body, and a carcass ply and a belt are arranged on the outer surface side of the molding drum, and a pasting member (here, an unvulcanized rubber member) is stuck on them. A description will be given by taking as an example an apparatus for forming an unvulcanized tire by sequentially arranging tire constituent members on a molding drum, such as winding and molding a sidewall or a tread. Also, here, an extruding device extrudes an adhesive member (for example, ribbon-like rubber) having a predetermined cross-sectional shape and supplies it to a forming drum, and the adhesive member is wound around the outer periphery in a spiral shape and laminated. An example of forming a tread having a predetermined cross-sectional shape will be described. That is, the monitoring device for the sticking member of this embodiment constitutes a molded product manufacturing apparatus (here, a tire manufacturing apparatus) together with a molding drum and an extrusion device, and the twisting and winding of the sticking member between the molding drum and the extrusion device. Disturbance etc. are detected and the sticking member is continuously monitored.

  FIG. 1 is a schematic diagram showing a main part of a monitoring device for a sticking member of the present embodiment. The configuration of the monitoring device 1 is schematically shown in a block diagram, and other configurations such as an extrusion device 60 and a molding drum 70 are shown. In addition, the overall arrangement state is schematically shown in a side view. FIG. 2 is a plan view showing a part of the monitoring device 1 and the like extracted from the direction of arrow F (upward) in FIG.

  Here, as shown in the figure, the extrusion device 60 that is a supply device of the sticking member R is placed on the outside in the axial direction (left side in FIGS. 1 and 2) of the molding drum 70 that is a molded body that can rotate around the axis. They are arranged at a predetermined distance. Further, the base 61 attached to the rubber discharge port of the extrusion device 60 and the outer peripheral surface of the molding drum 70 are opposed to each other, and the adhesive member R is linearly supplied in a substantially horizontal state therebetween. ing. In addition, a control device 80 is connected to the extrusion device 60 and the molding drum 70 and is controlled by the control device 80 to execute the following operations.

  The extrusion device 60 sequentially extrudes the heated and kneaded unvulcanized rubber from the opening of the base 61, and has a cross-sectional adhesive member R (here, a long ribbon shape having a substantially rectangular cross section). Rubber) is formed and continuously supplied toward the outer surface of the forming drum 70 at a constant speed (arrow K in FIG. 1). Further, the extrusion device 60 includes a moving means (not shown) that moves along the outer surface of the molding drum 70, whereby the rotational speed of the molding drum 70 and the supply speed of the sticking member R (the molding speed of the tread T). In accordance with the above, the sticking member R is supplied to a predetermined sticking position on the rotating forming drum 70 while moving along the outer surface while maintaining a predetermined distance from the forming drum 70.

  The molding drum 70, for example, bulges the outer peripheral surface that can be expanded into a substantially toroidal shape according to the cross-sectional shape of the unvulcanized tire GT, and concentrates the unvulcanized tire GT on the outer peripheral side while maintaining the shape. In this state, it is rotated at a predetermined speed around the axis by a driving means (not shown) (see arrow M in FIG. 1). Further, here, an unvulcanized tire GT in the middle of molding composed of various tire constituent members has already been arranged on the outer peripheral side of the molding drum 70, and the outermost belt B is aligned with the rotation of the molding drum 70. The sticking member R is wound around the outer surface.

  Therefore, the molding drum 70 is provided with a winding device (not shown) for the sticking member R that is movable along the outer peripheral surface thereof, and thereby the sticking members R supplied to the outer surface of the belt B are overlapped with each other. In addition, winding is sequentially performed in a spiral shape from one side in the axial direction of the rotating molding drum 70 toward the other side (from the lower side to the upper side in FIG. 2). In this way, the tread T is shaped into a predetermined shape on the outer surface of the belt B or on the outer periphery of the unvulcanized tire GT held by the rotating molding drum 70. They are formed and arranged in order (shown in the middle of forming in the figure).

  The control device 80 is, for example, a PLC (programmable logic controller) including a microprocessor (MPU) and a memory such as a ROM (Read Only Memory) that stores various programs and a RAM (Random Access Memory) that temporarily stores data. ) Or a computer. Further, the control device 80 has input / output means for connecting to an external device, whereby the extrusion device 60 and the molding drum 70 are connected, and control signals and various data are transmitted / received through them, as described above. The molding operation of the unvulcanized tire GT including the pasting of the pasting member R is executed. In addition, the monitoring device 1 for the sticking member R is connected to the control device 80, and the sticking operation of the sticking member R is controlled based on the data from the monitoring device 1.

  The monitoring device 1 includes a measuring unit 2 that measures the distance to the sticking member R, and an abnormality detecting means 10 for the sticking member R that is connected to the measuring unit 2. In the monitoring device 1, the detection unit 10 is connected to an input unit 81 that is a data input interface connected to the control device 80, and through this, the detection result is transmitted to the control device 80 by, for example, serial communication. .

  The measuring means 2 is a means for measuring a distance between the feeding member R in the middle of feeding toward the molding drum 70, and is installed in a feeding path of the pasting member R between the extrusion device 60 and the molding drum 70. The distance and profile between the molding drum 70 (unvulcanized tire GT) and the pasting member R before being pasted are measured. For this measuring means 2, for example, a laser displacement sensor or an ultrasonic distance sensor capable of continuously measuring the distance from the affixing member R in a non-contact manner can be used, and the measuring part faces the predetermined position of the affixing member R. In this state, they are arranged at a predetermined distance.

  Here, the measuring means 2 is a laser displacement sensor, and is disposed above the sticking member R at a substantially intermediate position between the base 61 of the extrusion device 60 and the molding drum 70. Further, the measuring means 2 has a measuring unit (sensor surface) installed facing the pasting member R which is a measurement target of a distance located below, and is continuously fed while maintaining its positional relationship. The distance between the member R and the substantially central portion in the width direction (vertical direction in FIG. 2) is measured (indicated by a dotted arrow in FIG. 1). Therefore, since the measuring means 2 moves in synchronization with the movement of the extrusion device 60 described above, it is connected to the extrusion device 60 by a connecting member, or an independent movement means (not shown) is provided. As a result, the measuring means 2 moves in accordance with the change in the supply position of the supplied sticking member R, measures the distance while maintaining the position and interval of each other in a predetermined state, and the measurement result (analog data of the distance) ) To the detection means 10.

  The detecting means 10 is a means for monitoring the sticking member R before being attached to the molding drum 70 (on the way of supply) based on the distance measurement result by the measuring means 2 and detecting an abnormality of the sticking member R. An amplifier (not shown) for amplifying the electric signal received from the measuring means 2 is provided. Further, the detection means 10 is composed of, for example, an MPU and a PLC, a computer or the like provided with a memory for storing a detection program, setting / detection data, etc. Based on this, an abnormality occurring in the sticking member R is detected.

FIG. 3 is a functional block diagram showing a schematic configuration of the detection means 10, and other configurations are schematically shown by blocks.
As shown in the figure, the detecting means 10 is connected to a setting means 11 used for setting an abnormality detection condition, a storage means 12 for storing setting data and detection results, and a measuring means 2 to input measurement results. The input unit 13 for receiving and the output unit 14 for outputting a signal related to the detection result are connected to the input unit 81. Further, the detection means 10 compares the distance measurement value by the measurement means 2 with the distance reference value stored in the storage means 12 set in advance, and the comparison result by the comparison means 15. The determination means 16 for determining the presence / absence of abnormality of the sticking member R is provided, and these means 11 to 16 are connected to each other via a bus 17.

  The detection means 10 of the present embodiment sequentially compares each distance measurement value input from the measurement means 2 via the input means 13 with the reference value of the distance by the comparison means 15, and based on the result, the determination means The abnormality of the sticking member R is always detected as determined by 16, and the measurement and detection results are stored in the storage unit 12. At that time, for example, the normal pasting member R is measured by the measuring means 2 in advance to measure the reference distance, and the value or average value is set as a reference value and used for abnormality determination. In this case, the detection means 10 compares each measured value of the distance with the reference value by the comparison means 15 and determines whether or not the absolute value of the difference is within a preset threshold value. Thus, when the difference is within the threshold value, it is determined that there is no abnormality, and when the difference is larger than the threshold value, it is determined that there is an abnormality.

  Alternatively, based on the measurement result of the reference distance in the normal state as described above, a reference value (an upper limit value and a lower limit value of the distance) that determines the allowable range of the distance may be set in advance and used for abnormality determination. Good. In this case, the detecting means 10 compares each measured value of the distance with the upper limit value and the lower limit value to determine whether the measured value is within the allowable range, and the measured value is not more than the upper limit value and not less than the lower limit value. In this case, it is determined that there is no abnormality within the allowable range, and when the measured value is larger than the upper limit value or smaller than the lower limit value, it is determined that there is an abnormality outside the allowable range. As described above, the reference value of the distance to be compared by the comparison unit 15 includes each reference value according to each determination method, logic, and the like which is compared with the measured value of the distance when determining the abnormality of the sticking member R. Correspondingly, the determination means 16 compares the distance reference value with the measured value based on each set condition, and determines the presence or absence of abnormality of the sticking member R. Note that the abnormality determination may be performed by, for example, calculating the amount of change in the distance measurement value and comparing it with a preset change amount threshold value, and determining whether or not the sticking member R is abnormal depending on whether or not it is within the threshold value. .

  FIG. 4 and FIG. 5 are schematic views showing examples of abnormality of the sticking member R detected by the detecting means 10. The measuring means 2 and a part of the sticking member R including the measurement position are respectively shown on the left side. Each side view corresponding to FIG. 1 extracted is shown. Moreover, in FIG. 4, FIG. 5, the measurement result (change of a measured value) of the distance corresponding to the sticking member R of each state is shown on each right side, the measured value of the distance is on the vertical axis, and the elapsed time is on the horizontal axis. It shows with the graph showing.

  While the sticking member R is supplied in a normal state (see FIG. 4A), the distance between the measuring means 2 and the measurement position of the sticking member R is maintained substantially constant, and the measured value of the distance is measured with almost no change. Is done. On the other hand, for example, when a partial twist RN occurs in the sticking member R (see FIGS. 4B and 4C), the width of the sticking member R in that range becomes narrow and the thickness in the measurement direction becomes locally thick. . As a result, when a thick portion of twist RN is positioned at the measurement position of the measurement means 2 (see FIG. 4B), the distance between the measurement means 2 and the pasting member R becomes closer, and during that time, the measured value of the distance is smaller than normal. (J1 portion in FIG. 4B). On the other hand, when the measurement position (laser focal point) of the measurement means 2 is located at a portion where the width of the twist RN becomes narrow (see FIG. 4C) and is removed from the sticking member R, the measured value of the distance between them is infinite or An abnormally large value is measured and the scale is over (J2 portion in FIG. 4C). The detection means 10 determines the presence or absence of abnormality of the sticking member R from the measured value of the distance changing in this way, and detects an abnormality in the shape of the sticking member R (here, twist RN of the sticking member R).

  Further, when the affixing member R (see FIG. 5) is out of the normal affixing position (here, the outer peripheral portion of the unvulcanized tire GT) and, for example, affixed to the side portion of the unvulcanized tire GT, The supply path also changes and is displaced (affixing member RT in the figure) to a far position away from the normal position (indicated by a dotted line in FIG. 5). As a result, the distance between the measuring means 2 and the sticking member RT (see FIG. 5A) is increased, and during that time, the measured value of the distance becomes larger than normal (J3 portion in FIG. 5A). Further, the left and right displacement (see FIG. 5B) of the sticking member RT is also added, and when the measurement position of the measuring means 2 deviates from the sticking member RT, the measured value of the distance between them becomes infinite or the like and the scale is over. (J4 part of FIG. 5B). The detecting means 10 determines the presence or absence of abnormality of the sticking member R from the measurement value of the distance changing in this way, and abnormality such as displacement of the sticking member R in the vertical and horizontal directions (here, position abnormality due to displacement of the sticking member RT). Or irregular winding or winding abnormality on the unvulcanized tire GT).

  The monitoring device 1 constantly monitors the supplied adhesive member R by sequentially detecting abnormalities of the adhesive member R by the measuring means 2 and the detecting means 10, and outputs the monitoring result by the digital signal to the output means 14 of the detecting means 10. Notification is made to the input unit 81 via (see FIG. 3). At that time, while the abnormality is not detected and the sticking member R is normal, the signal is turned on and output to the input unit 81. When the abnormality is detected, the signal is turned off and the output is stopped. Notify the monitoring result. In this way, when the signal is turned on in the normal state, the signal is turned off even when the device is abnormal, such as a disconnection, and the abnormality can be notified to the outside.

Next, the monitoring procedure and operation of the sticking member R and the monitoring method by the monitoring device 1 described above will be described.
FIG. 6 is a flowchart showing a procedure for monitoring the sticking member R by the monitoring device 1.

  In this monitoring device 1, monitoring is started as the sticking member R supplied from the extrusion device 60 starts to be attached to the molding drum 70, and as shown in the figure, the measuring means 2 is in the middle of supplying toward the molding drum 70. The distance to the sticking member R is measured (S101). Thus, the distance between the sticking member R in the supply path between the extrusion device 60 and the molding drum 70 is continuously measured at a predetermined position in the width direction, and based on the measurement result of the distance, The detecting means 10 monitors the pasting member R before being pasted onto the molding drum 70 (in the middle of supply), and detects an abnormality of the pasting member R. At that time, first, the distance measurement value is compared with a preset reference value of the distance (S102), and based on the comparison result of the distance, the presence / absence of abnormality of the sticking member R is determined as described above.

  As described above, data is obtained while pasting until the pasting operation is completed (S103-NO, S101, S102), and after the pasting operation is finished (S103-YES), there is no data deviating from the reference value in the measured value. (S104-NO), when abnormality is not detected in the sticking member R and the process ends normally (S105), the process proceeds to sticking the next sticking member R (S106). On the other hand, when the measured value includes data deviating from the reference value (S104-YES), and an abnormality of the sticking member R is detected, the detection means 10 goes to the outside (here, the input unit 81). Abnormality is notified (S107). Further, in this case, the sticking operation is detected and stopped abnormally without proceeding to the next sticking of the sticking member R (S108). As described above, the monitoring device 1 monitors the pasting members R that are continuously supplied toward the rotating molding drum 70 and are sequentially pasted onto the molding drum 70.

  In this embodiment, at the time of monitoring, in this embodiment, the distance between the feeding member R in the middle of supply is measured, and the abnormality of the pasting member R is detected and monitored based on the measurement result. While being able to monitor constantly, the abnormality of the sticking member R which was conventionally difficult to detect can be detected individually. Accordingly, a partial abnormality of the sticking member R such as twisting or winding disturbance can be detected, and the sticking member R can be monitored accurately and with high accuracy over the entire longitudinal direction. In addition, since it is possible to detect the variation within the sticking member R or between the lots, the extent thereof, or where the abnormality has occurred in the sticking member R, data can be obtained. And the cause thereof can be determined and grasped more accurately, and such a situation can be appropriately and quickly dealt with.

  Moreover, in this monitoring device 1, it is not necessary to improve the performance of the measuring means 2 and the detecting means 10 for detecting an abnormality by constantly monitoring the sticking member R, and an abnormality can be accurately and accurately performed by a relatively simple process. Since it can be detected, an increase in cost can be suppressed without complicating the configuration. At the same time, since it is not necessary to change the rotation speed of the molding drum 70, it is possible to prevent the molding speed of the unvulcanized tire GT from being lowered and maintain productivity. In addition, by always monitoring in this way, it is possible to detect an abnormality in the adhesive member R located inside after the lamination, and it is possible to reliably grasp an internal abnormality that does not appear on the surface.

  Therefore, according to the present embodiment, it is possible to detect and monitor the abnormality of the pasting member R stuck on the rotating molding drum 70 accurately and accurately with a simple configuration without affecting the molding speed. Continuous monitoring is possible. Further, here, since the measurement value of the distance between the measuring member 2 and the predetermined reference value is compared with the predetermined reference value to determine the presence / absence of the abnormality of the adhesive member R, the determination of the abnormality is easy and accurate. It can be performed. At this time, if the measurement position of the measuring means 2 is set so as to be separated from the abnormal sticking member R, the change in the measured value of the distance becomes large, and the detection accuracy can be effectively increased.

  Here, since the sticking member R is generally formed to be relatively narrow (about several millimeters), if the vicinity of the central portion in the width direction is measured by the measuring means 2, the twisting of the sticking member R is performed. And abnormalities such as displacement can be reliably detected. Therefore, the measurement position of the sticking member R by the measuring means 2 is normally set so as to measure the substantially central portion in the width direction of the measurement surface of the sticking member R as in this embodiment. However, since the abnormality of the sticking member R can be detected sufficiently accurately even if the measuring means 2 measures a position other than the central portion of the sticking member R, the measuring means 2 measures, for example, the end portion side of the sticking member R. For example, a position different from the present embodiment may be measured.

  Further, the measuring means 2 is provided on both ends of the sticking member R, and is similarly installed so as to face both side portions in the width direction, and both ends of the sticking member R (including the end and the vicinity of the end) You may make it measure the distance between each. In this case, the distance between both ends of the sticking member R is measured by the pair of measuring means 2, and the abnormality of the sticking member R is detected by the detecting means 10 based on both measurement results. To monitor. As described above, by measuring the end portion of the sticking member R that tends to be greatly affected by anomalies such as torsion and displacement, the measurement value of the measuring means 2 at the time of abnormality is greatly changed, and the sticking is performed. The abnormality of the member R can be detected with higher accuracy. In addition, by measuring both ends of the sticking member R, the abnormality can be detected more reliably and monitored more accurately.

  Note that the monitoring device 1 of the present embodiment is attached to a rotating object to be molded such as the molding drum 70 regardless of the shape and material of the affixing member R, and the affixing or stacking mode. It can also be used to detect and monitor abnormalities of the sticking member R. Further, the monitoring member R to be monitored is not only the bonding member R to be bonded to the outer peripheral portion of the unvulcanized tire GT, but the bonding member R to be bonded to another position, for example, to be bonded to the side portion to form a sidewall. Alternatively, it may be a pasting member R that forms a member other than the tire formed by laminating the pasting member R or the like.

(Monitoring test)
In order to confirm the effect of the present invention, a monitoring test for detecting an abnormality by measuring the distance from the pasting member R actually being supplied was performed by the monitoring device 1 of the present embodiment described above. In the test, a tread T is formed by pasting a sticking member R (ribbon-like rubber) on a predetermined range of the outer peripheral portion of the unvulcanized tire GT by a normal (regular) process, and the distance from the sticking member R therebetween is determined. Measurement was performed by measuring means 2. Further, even in the abnormal process of pasting the pasting member R beyond the normal range, the distance to the pasting member R was measured, and these two results were compared.

FIG. 7 is a schematic diagram showing the test results, and a cross-sectional view in the tire width direction of the unvulcanized tire GT after the pasting member R is pasted is schematically shown on the left side. Also, on the right side of each of these cross-sectional views, the distance measurement results (changes in measurement values) corresponding to the respective cross-sectional views are shown in a graph in which the vertical axis represents the distance measurement value and the horizontal axis represents the passage of time.
In the normal process (see FIG. 7A), the tread T is formed in a regular shape by affixing the affixing member R substantially symmetrically across the center line CL only to the outer periphery of the substantially trapezoidal unvulcanized tire GT. Formed. On the other hand, in the abnormal process (see FIG. 7B), the pasting member R is pasted up to the side portions on both sides (upper left and right side portions in the drawing) beyond the outer peripheral portion of the unvulcanized tire GT. The tread T was formed so as to have an abnormal shape.

  As a result, in the normal process (see FIG. 7A), the measured value of the distance to the sticking member R did not change greatly, and was maintained within a predetermined range throughout the sticking period, and no abnormality was detected. On the other hand, in the abnormal process (see FIG. 7B), when the affixing member R is affixed to the side portion of the unvulcanized tire GT, the affixing member R is displaced away from the measuring means 2 (see FIG. 5A), The measured value of the distance increased and a significant fluctuation occurred (X portion in FIG. 7B), and an abnormality was detected in the adhesive member R during that time. As described above, according to the monitoring device 1, the abnormality of the sticking member R can be detected and monitored accurately and accurately with a simple configuration without affecting the molding speed, and can be constantly monitored. It was found that data such as variations in one sticking member R can be obtained.

It is a schematic diagram which shows the principal part of the monitoring apparatus of the sticking member of this embodiment. It is a top view which shows a part of monitoring apparatus seen from the arrow F direction of FIG. It is a functional block diagram which shows schematic structure of the detection means with which a monitoring apparatus is provided. It is a schematic diagram which shows the example of abnormality of the sticking member detected by a detection means. It is a schematic diagram which shows the example of abnormality of the sticking member detected by a detection means. It is a flowchart which shows the procedure which monitors a sticking member. It is a schematic diagram which shows the test result of a monitoring test.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Monitoring apparatus, 2 ... Measuring means, 10 ... Detection means, 11 ... Setting means, 12 ... Memory | storage means, 13 ... Input means, 14 ... Output means, 15 ... Comparison means, 16 ... determination means, 17 ... bus, 60 ... extruding device, 61 ... die, 70 ... molding drum, 80 ... control device, 81 ... Input unit, GT ... unvulcanized tire, R ... affixing member.

Claims (6)

A monitoring device for a sticking member that is supplied toward a rotating molded body and is affixed on the molded body,
Measuring means for measuring the distance between the pasting member in the middle of supply toward the molded body,
Detection means for detecting an abnormality of the sticking member based on the measurement result by the measurement means;
An apparatus for monitoring a sticking member, comprising: In the monitoring apparatus of the sticking member described in Claim 1,
The detection means is a comparison means for comparing the distance measurement value by the measurement means with a preset reference value of the distance, a determination means for determining the presence or absence of an abnormality of the sticking member based on the comparison result by the comparison means, A monitoring device for a sticking member, comprising: In the monitoring apparatus of the sticking member described in Claim 1 or 2,
A monitoring device for a sticking member, characterized in that measuring means are provided on both ends of the sticking member, respectively, and measure the distance between both ends of the sticking member. A method of monitoring a sticking member that is supplied toward a rotating molded body and is affixed on the molded body,
A measuring step for measuring the distance between the pasting member in the middle of supply toward the molded body,
Based on the measurement result of the distance, a detection step of detecting an abnormality of the pasting member,
A method for monitoring a sticking member, comprising: In the monitoring method of the sticking member according to claim 4,
The detection step includes a comparison step of comparing the measured distance value and a preset reference value of the distance, and a determination step of determining the presence or absence of abnormality of the sticking member based on the comparison result of the distance. A method of monitoring a characteristic sticking member. In the monitoring method of the sticking member according to claim 4 or 5,
The method for monitoring a sticking member, wherein the measuring step is a step of measuring a distance between both ends of the sticking member.

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