WO2019188110A1 - Procédé de gestion de taille de jante pour machine de test de pneu - Google Patents

Procédé de gestion de taille de jante pour machine de test de pneu Download PDF

Info

Publication number
WO2019188110A1
WO2019188110A1 PCT/JP2019/009263 JP2019009263W WO2019188110A1 WO 2019188110 A1 WO2019188110 A1 WO 2019188110A1 JP 2019009263 W JP2019009263 W JP 2019009263W WO 2019188110 A1 WO2019188110 A1 WO 2019188110A1
Authority
WO
WIPO (PCT)
Prior art keywords
rim
size
testing machine
tire
tire testing
Prior art date
Application number
PCT/JP2019/009263
Other languages
English (en)
Japanese (ja)
Inventor
敬志 住谷
優 住元
Original Assignee
株式会社神戸製鋼所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2019037736A external-priority patent/JP2019174450A/ja
Application filed by 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to KR1020207030367A priority Critical patent/KR20200131327A/ko
Priority to CN201980021195.9A priority patent/CN111902708A/zh
Priority to US17/040,723 priority patent/US20210018402A1/en
Publication of WO2019188110A1 publication Critical patent/WO2019188110A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00—Tyre parts or constructions not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/02—Details of balancing machines or devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres

Definitions

  • the present invention relates to a method for managing a rim size which is a size of a rim mounted on a rim table of the tire testing machine in the tire testing machine.
  • a tire testing machine capable of testing a plurality of tires having different inner peripheral diameters or tread surface widths (for example, Patent Document 1).
  • a tire testing machine includes a rim table on which the plurality of rims are mounted, and a spindle unit to which the rims are attached.
  • the tire testing machine includes a mechanism for exchanging the rim attached to the spindle unit with any one of a plurality of rims mounted on the rim table, and semi-automatically or automatically by the mechanism. The rim is exchanged.
  • the rim table has a plurality of mounting positions (a plurality of positions) for mounting the plurality of rims.
  • Each of the plurality of rims stocked (mounted) on the rim table is managed in association with the corresponding mounting position.
  • Information on the sizes of the plurality of rims is registered in advance in a control unit that controls the operation of the tire testing machine.
  • the tire testing machine at the time of rim replacement in which any one of a plurality of rims (mounting target rims) mounted on the rim table is mounted on the spindle unit, the tire testing machine is provided for transporting the tire and may not approach each other.
  • the attachment target rim passes between the pair of conveyance means in a state where the interval between the pair of conveyance means that can be separated is adjusted to an appropriate interval according to the rim size of the attachment target rim.
  • the rim table moves above the pair of conveying means.
  • the control unit of the tire testing machine at the time of the rim replacement, based on the registered information about the rim size, the next tire to be tested A rim corresponding to the size is selected, and the interval between the pair of conveying means is automatically adjusted to the appropriate interval so that the selected rim can pass between the pair of conveying means.
  • the tire testing machine in order to smoothly perform the operation of automatically replacing the rim, it is necessary that information regarding the rim size registered in advance is correct.
  • the information on the rim size registered in advance is manually input by an operator after a plurality of rims are mounted on the rim table.
  • the registered rim size may be different from the corresponding rim size mounted on the rim table.
  • the control unit stores not a size of the rim actually mounted on the rim table but a size different from the size.
  • a pair of conveying means 101 (in the illustrated example, The distance between the pair of roller conveyor type conveying means) is adjusted to an interval that does not correspond to the actual rim size based on the erroneous registration information, and there is a possibility that the rim 104 may come into contact with the conveying means 101. is there.
  • the attachment when the rim is replaced, after the rim is removed from the spindle unit, when the rim to be mounted which is one of a plurality of rims mounted on the rim table is attached to the spindle unit, the attachment is performed. It is an object of the present invention to provide a method for managing the rim size in a tire testing machine that can avoid contact of the target rim with the conveying means.
  • the present invention is a method for managing a rim size in a tire testing machine.
  • the tire testing machine is a pair of conveyors that convey tires to be tested in a tire test, and a rim table that is disposed below the pair of conveyors, and includes a first rim and a second rim. And a rim table having a plurality of mounting positions on which a plurality of rims having different rim sizes can be mounted, a spindle unit to which the rim can be attached, and a rim measuring mechanism.
  • the tire testing machine may set an interval between the pair of conveyors when the mounting target rim mounted at any one of the plurality of mounting positions is attached to the spindle unit.
  • the rim size management method of the present invention is a management method for managing each rim size of the plurality of rims in the tire testing machine.
  • the rim size management method includes a registration step of registering each rim size of the plurality of rims mounted on the rim table in association with a corresponding mounting position among the plurality of mounting positions, and the plurality of mounting positions.
  • FIG. 1 is a plan view showing a tire testing machine according to an embodiment of the present invention. It is a front view which shows the tire testing machine which concerns on the said embodiment. It is the side view which looked at the tire testing machine concerning the above-mentioned embodiment from the entrance side. It is the top view which showed the outline of the rim
  • the length of the conveyance path F of the tire T in the conveyance direction of the tire T corresponds to the total length of the tire testing machine 1.
  • the horizontal direction intersecting with the conveyance path F, more precisely, the horizontal direction substantially orthogonal to the conveyance path F corresponds to the depth direction of the tire testing machine 1.
  • the depth direction is also referred to as the left-right direction or the width direction of the tire testing machine 1.
  • the tire testing machine 1 includes a lubrication unit 2, a tire testing unit 3, and a marking unit 4.
  • the lubrication part 2 applies lubrication liquid to the bead part B of the tire T while rotating the tire T.
  • the tire test unit 3 detects a singular point existing in the tire T by performing a tire test while rotating the tire T to which the lubrication liquid is applied in the lubrication unit 2 on a spindle.
  • the marking unit 4 marks the tire T at a circumferential position where the singular point exists.
  • the lubrication part 2, the tire test part 3, and the marking part 4 are arranged in that order along the transport path F from the upstream side toward the downstream side.
  • the lubrication unit 2 includes a pair of left and right first conveyors 5 that conveys the tire T in a posture in which the tire T lies horizontally, and a pair of left and right tires that are carried by the pair of first conveyors 5. And an application part 7 for applying a lubrication liquid to the bead part B (inner peripheral edge) of the tire T held by the pair of arm parts 6.
  • each of the pair of first conveyors 5 is a belt conveyor having a conveyor belt that is a loop-shaped belt that forms an endless track.
  • Rotating rollers 8 are rotatably provided at the respective tips of the pair of arm portions 6.
  • the pair of arm portions 6 sandwich the conveyed tire T from the left and right outer sides to bring the rotating roller 8 into contact with a tread surface that is an outer peripheral surface of the tire T.
  • the rotating roller 8 rotates so as to allow the tire T to rotate around an axis that faces in the vertical direction.
  • the application unit 7 is configured to be movable in the vertical direction.
  • the application part 7 has a brush shape and rises to a position where the application part 7 comes into contact with the bead part B of the tire T held by the pair of arm parts 6 to apply the lubrication liquid to the bead part B.
  • the application unit 7 is returned to the position below the first belt conveyor 5 and stored after application.
  • the pair of first conveyors 5 conveys the tire T, to which the lubrication liquid has been applied, from the lubrication part 2 to the tire test part 3 which is a main body part.
  • the tire test unit 3 includes a spindle unit 9, a drum 10, a pair of left and right second conveyor units 11, a rim table 13, and a rim replacement mechanism 16.
  • the spindle unit 9 holds the tire T so as to allow the tire T to rotate about an axis that is directed in the vertical direction.
  • the drum 10 has a cylindrical outer peripheral surface having a central axis facing in the vertical direction, and is disposed on the side of the spindle unit 9 so as to be rotatable around the central axis.
  • the pair of second conveyor units 11 conveys the tire T conveyed from the lubrication unit 2 while keeping the tire T lying horizontally.
  • the rim table 13 has a horizontal rim mounting surface on which a plurality of rims 12 can be mounted.
  • the rim table 13 has a plurality of mounting positions at which a plurality of rims 12 having different rim sizes can be mounted.
  • the rim replacement mechanism 16 replaces the replacement target rim 12d selected from the rims 12 mounted on the rim mounting surface with a replacement target rim (a rim prepared outside the tire testing machine). Operates to allow.
  • each of the pair of second conveyor units 11 includes an upstream conveyor 11a and a downstream conveyor 11b disposed on the downstream side of the upstream conveyor 11a in the transport direction.
  • Each of the upstream and downstream conveyors 11a and 11b is a belt conveyor having a conveyor belt that is a loop-shaped belt that forms an endless track.
  • the pair of second conveyor units 11 includes a pair of left and right upstream conveyors 11 a and a pair of left and right downstream conveyors 11 b that are provided so as to be divided into left and right with respect to the axis of the spindle unit 9. It is comprised by.
  • the pair of upstream conveyors 11a is an example of a pair of conveyors in the rim size management method of the present invention.
  • the tire test unit 3 further includes a rotation drive unit (not shown) that drives the spindle unit 9 to rotate.
  • the tire testing machine 1 further includes a grinder 23.
  • the grinder 23 scrapes a shoulder portion that is a boundary portion between the tread surface and the sidewall in the tire T.
  • the grinder 23 is provided on the outlet side of the tire test unit 3. Thus, the tire T is adjusted so as to fall within the allowable value of the measurement item of the tire test.
  • the tire T is held by the spindle unit 9 via the rim 12 so as to be rotatable around an axis that is directed in the vertical direction.
  • the rim 12 is divided into two parts, an upper rim 12a and a lower rim 12b, in order to hold the tire T so as to be sandwiched from the upper side and the lower side.
  • the spindle unit 9 has an upper spindle 9a and a lower spindle 9b.
  • Each of the upper spindle 9a and the lower spindle 9b is a rod-like member that can rotate around a common axis that faces in the vertical direction.
  • Each of the plurality of rims 12 includes an upper rim 12a attached to the lower end portion of the upper spindle 9a and a lower rim 12b attached to the upper end portion of the lower spindle 9b.
  • the upper rim 12a and the lower rim 12b are arranged so that the tire T on the pair of second belt conveyor units 11 can be sandwiched in the vertical direction.
  • the rim table 13 is disposed in the vicinity of the lower spindle 9b.
  • the upper rim 12a and the lower rim 12b are mounted on the rim mounting surface in a stacked state.
  • the drum 10 is arranged so that the outer peripheral surface of the drum 10 can come into contact with and separate from the tread surface of the tire T held by the spindle unit 9 in the radial direction of the tire T. .
  • the tire T is tested by rotating the tire T at a predetermined rotational speed in a state where the outer peripheral surface of the drum is in contact with the tread surface of the tire T.
  • the drum 10 has a rotating shaft, and a load cell (not shown) for measuring a force or moment applied to the drum 10 from the rotating tire T is attached to the rotating shaft.
  • the tire uniformity is calculated based on the result measured by the load cell, and the circumferential position and the axial position where the repulsive force of the tire T is the largest are measured as “singular points”.
  • the tire test performed in the tire test unit 3 includes not only the measurement of the tire uniformity described above but also the measurement of the outer shape.
  • the tire T in which the “singularity” is measured is rotated by a predetermined angle by the tire test unit 3 and then sent from the tire test unit 3 to the marking unit 4.
  • the marking unit 4 includes a pair of left and right third conveyors 14 and a marking device 15.
  • the pair of third conveyors 14 moves the tire T in the transport direction while keeping the tire T lying horizontally.
  • the marking device 15 performs marking on a predetermined position on the inner peripheral side of the tire T positioned on the pair of third conveyors 14.
  • each of the pair of third conveyors 14 is a belt conveyor having a conveyor belt that is a loop-shaped strip that forms an endless track.
  • the marking device 15 uses a mark such as a uniformity mark indicating the “singularity” identified in the tire test,
  • the tire uniformity is given to the circumferential direction position of the tire T having specificity.
  • a mark other than the uniformity mark may be given to the tire T.
  • the tire test unit 3 further includes a slide mechanism 22.
  • the slide mechanism 22 moves the pair of upstream conveyors 11a in the pair of second conveyor units 11 in the lateral direction of the pair of upstream conveyors 11a by moving the pair of upstream conveyors 11a toward and away from each other along the lateral direction.
  • This is an interval changing mechanism for changing the interval. That is, the slide mechanism 22 is configured to be able to slide the pair of upstream conveyors 11a in the direction (left-right direction).
  • the slide mechanism 22 includes, for example, a ball screw having a left male screw portion and a right male screw portion that extend in the left-right direction and are opposite to each other, and a motor that rotates the ball screw, and the left male screw portion and the right male screw Each part is screwed to a nut fixed to the pair of upstream conveyors 11a.
  • the motor slides the pair of upstream conveyors 11a in a direction in which the pair of upstream conveyors 11a come in contact with and separate from each other by rotating the ball screw in the forward and reverse directions.
  • the slide in the direction in which the pair of upstream conveyors 11a come in contact with and away from each other is used to replace the rim 12 corresponding to the changed size with the pair of second conveyor units. 11 can be taken out from the rim table 13 located below the pair of upstream conveyors 11a.
  • the pair of upstream conveyors 11a slide in directions away from each other, that is, outward in the left-right direction.
  • the rim 12 corresponding to the changed size can pass through the space between the rim table 13 and the pair of upstream conveyors 11a in the vertical direction.
  • the measured tire T held by the rim 12 is received by the pair of upstream conveyors 11a when the rim 12 is lowered and is left on the upstream conveyor 11a, and then the pair of tires It is sent to the downstream conveyor 11b. That is, in the tire testing machine 1, the distance between the pair of upstream conveyors 11a can be changed according to the outer peripheral diameter of the rim.
  • the rim table 13 according to the present embodiment is made of a disk-shaped plate material, and is arranged at a position overlapping the lower spindle 9b in plan view.
  • the tire test unit 3 further includes a rotation drive mechanism 18 that supports the rim table 13 so that the rim table 13 can rotate around an axis that faces in the vertical direction.
  • the rim table 13 can be rotated. That is, the rim table 13 according to the present embodiment is a rotary table system.
  • the plurality of rims 12 having different sizes can be mounted at each of the plurality of mounting positions arranged in the circumferential direction of the rim table 13. It is.
  • the rim table 13 has through holes formed at portions corresponding to the plurality of mounting positions, and the size of the through holes is such that the lower spindle 9b moving in the vertical direction can enter and exit.
  • the upper rim 12a and the lower rim 12b constituting each of the plurality of rims 12 are mounted on the rim mounting surface in a state of being stacked one above the other, and are respectively attached to the upper spindle 9a and the lower spindle 9b. Is possible.
  • the rim table 13 can mount the plurality of rims 12 having different sizes at each of the four mounting positions arranged in the rotational circumferential direction on the rim mounting surface.
  • the rotation center axis of the rim table 13 is arranged so as to be located on the carry-out side (exit side) from the spindle unit 9 in the carrying direction.
  • the tire test unit 3 has an automatic rim replacement function.
  • the automatic rim replacement function enables the tire test of the tire T to be continued even if tires T of various sizes having different inner peripheral diameters and different tread surface widths are loaded into the tire test unit 3. .
  • the automatic rim replacement function automatically changes the rim 12 attached to the spindle unit 9 based on information such as the size of the next tire T carried in from the upstream lubrication unit 2.
  • the rim 12 corresponding to the size of the tire T, etc., it is a function that makes it possible to cope with tire tests of tires T of various sizes.
  • a step of removing the rim 12 currently mounted on the spindle unit 9 from the spindle unit 9 is performed. Specifically, in a state where the next tire T is waiting in front of the tire test unit 3, the tire T after the tire test is removed from the spindle unit 9 and conveyed to the marking unit 4. After the conveyance, the driving of the pair of second conveyor units 11 is stopped.
  • the rim 12 is detached from the spindle unit 9 by raising the lower spindle 9b to integrate the lower rim 12b and the upper rim 12a attached to the lower spindle 9b, and moving the upper rim 12a upward. It is performed by removing from the spindle 9a and lowering the entire rim 12 in which the lower rim 12b and the upper rim 12a are integrated to the rim table 13 as described above. Even after the rim 12 is mounted on the rim table 13, the lower spindle 9 b is further lowered to remove the rim 12 from the lower spindle 9 b, and the lower spindle 9 b reaches a position below the rim table 13. .
  • a step of mounting the rim 12 corresponding to the changed next tire T on the spindle unit 9 is performed. For example, when the next tire T has an inner peripheral diameter larger than the inner peripheral diameter of the previous tire T, based on the information on the tire T, the pair of upstream sides of the pair of second conveyor units 11 Adjustment is performed by sliding the conveyor 11a outward in the left-right direction to widen these intervals.
  • a plurality of rims 12 stocked on a rim table 13 disposed below the second conveyor unit 11 and corresponding to tires T of various sizes, respectively.
  • the rim 12 having an outer peripheral diameter corresponding to the inner peripheral diameter of the next tire T is selected from the rims 12.
  • the selected rim 12 can be transferred to a position immediately above the waiting lower spindle 9b by the rotation of the rim table 13 driven by the rotation driving mechanism 18.
  • the selected rim 12 is mounted on the lower spindle 9b.
  • the upper rim 12a of the rim 12 is attached to the upper spindle 9a.
  • the lower spindle 9b descends while holding the lower rim 12b, whereby the upper rim 12a and the lower rim 12b are separated from each other in the vertical direction.
  • the next tire T is carried into a position for a tire test. In this way, the rim 12 is automatically replaced.
  • the pair of second conveyor units 11 includes the pair of upstream conveyors 11a located on the entrance side in the transport path F and the downstream conveyor 11b located on the exit side. Has been.
  • Each of the pair of upstream conveyors 11a has a length greater than the length of the pair of downstream conveyors 11b in the transport direction.
  • the upper spindle 9a and the lower spindle 9b are arranged above and below the upstream conveyor 11a, respectively. Therefore, the tire test for the tire T conveyed to the tire test unit 3 is performed on the upstream conveyor 11a.
  • the pair of downstream conveyors 11b which are shorter than the pair of upstream conveyors 11a, are arranged inside the pair of upstream conveyors 11a in the left-right direction, and are sandwiched by the pair of upstream conveyors 11a from both the left and right sides. It is. That is, the upstream end of the downstream conveyor 11b (the right end in FIGS. 1, 2, 4 and 7) and the downstream end of the upstream conveyor 11a (FIGS. 1, 2, 4). And the left end portion in FIG. 7 are overlapped with each other in the transport direction, and are connected to each other in a normal state, that is, during a period when the tire test is performed.
  • the tire testing machine 1 further includes a hoisting mechanism 17, and the hoisting mechanism 17, together with the rotary drive mechanism 18 and the slide mechanism 22, is mounted on the rim mounting surface.
  • a rim replacement mechanism 16 is configured to replace the replacement target rim 12d selected from the rims 12 with another rim.
  • the hoisting mechanism 17 causes the upstream end portions of the pair of downstream conveyors 11b to move upward from the downstream end portions of the pair of upstream conveyors 11a.
  • the pair of downstream conveyors 11b is supported so as to be able to turn in the standing direction that stands up with the downstream ends of the pair of downstream conveyors 11b as fulcrums and the opposite lying down direction.
  • the hoisting mechanism 17 according to this embodiment has a function of moving the pair of downstream conveyors 11b in the hoisting direction.
  • the rotation driving mechanism 18 rotates the rim table 13 around the vertical axis so as to move the replacement target rim 12d among the plurality of rims 12 to the replacement position.
  • the replacement position is a position where the replacement target rim 12d and another rim can be replaced while passing through the pair of second conveyor units 11 in the vertical direction.
  • the slide mechanism 22 moves the pair of upstream conveyors 11a in a direction intersecting the transport direction along the transport path F, specifically in the left-right direction.
  • the distance in the left-right direction between the pair of upstream conveyors 11a is changed by moving in a direction in which they are brought into contact with and separated from each other.
  • the replacement position according to the present embodiment is a space formed by the downstream conveyor 11b standing as shown by a two-dot chain line in FIG. 2, in other words, the downstream conveyor 11b before the downstream conveyor 11b stands. It is a position opened upward through the space occupied by the side conveyor 11b. That is, the replacement position of the rim 12 is set immediately below the space formed on the carry-out side of the tire test part 3 by the rising of the downstream conveyor 11b.
  • the hoisting mechanism 17 preferably further includes a hoisting drive motor 20 and a connecting member 21 as means for automatically causing the hoisting operation of the downstream conveyor 11b when the tire test is stopped.
  • the hoisting drive motor 20 is connected to the rotation base end portion of the downstream conveyor 11b (in this embodiment, the downstream end portion which is the end portion close to the marking portion 4), and the downstream conveyor 11b. Is rotated in the undulation direction with the downstream end as a fulcrum, that is, the upstream end of the downstream conveyor 11b is moved up and down.
  • the connecting member 21 is switched between a state in which the upstream end of the downstream conveyor 11b and a downstream end of the upstream conveyor 11a are connected to each other and a state in which the connection is released.
  • the hoisting mechanism 17 is not limited to the hoisting drive motor 20 or the like that automatically raises and lowers the downstream conveyor 11b.
  • the hoisting mechanism 17 is configured such that the downstream conveyor 11b is in a lying posture (that is, the upstream end of the downstream conveyor 11b is positioned at the same height as the downstream end of the upstream conveyor 11a).
  • T posture that enables the transfer of T) and standing posture that is, the upstream end of the downstream conveyor 11b rises to a position higher than the downstream end of the upstream conveyor 11a, and the replacement target rim 12d moves up and down.
  • the position of the downstream conveyor 11b corresponding to the lying posture and the position corresponding to the standing posture It may be anything that supports the downstream conveyor 11b so that it can be raised and lowered.
  • the hoisting mechanism does not necessarily need to include the hoisting drive motor 20 or driving means corresponding thereto.
  • the operator releases the connection between the upstream end of the downstream conveyor 11b and the downstream end of the upstream conveyor 11a by the connecting member 21, and manually raises the downstream conveyor 11b from the lying posture. It may be allowed to shift to a posture.
  • the rim 12 previously mounted on the spindle unit 9 is removed from the spindle unit 9, and the spindle unit 9 waits below the rim table 13. Lower to position.
  • the rim 12 removed from the spindle unit 9 is selected as the next replacement target rim 12d, and the rim table 13 is rotationally driven by the rotational drive mechanism 18 based on information about the mounting position of the replacement rim 12d.
  • the replacement target rim 12d is transferred to the replacement position.
  • the rotative drive mechanism 18 moves the rim 12 corresponding to the tire T to a position directly above the lower spindle 9b based on the information of the tire T that is loaded when the automatic rim replacement operation is performed. 13 rotational drive is also performed.
  • the slide mechanism 22 also performs the slide drive of the pair of upstream conveyors 11a for automatic rim replacement. Specifically, the slide mechanism 22 performs automatic rim replacement as shown by a two-dot chain line in FIG. 4 in order to replace the rim 12 in the horizontal direction of the pair of upstream conveyors 11a. It is possible to further widen the interval that is widened.
  • the tire testing machine 1 further includes a support drive mechanism 19 and a guide 28, which prevent the pair of upstream conveyors 11a and the rim 12 to be replaced from interfering with the pair of upstream sides.
  • the conveyor 11a is supported in a cantilever shape.
  • the support drive mechanism 19 is provided at a position closer to the carry-in side (upstream side) than the tire test unit 3, and each of the pair of upstream conveyors 11 a at one point when the rim 12 is replaced. To support.
  • Each of the pair of upstream conveyors 11a includes a driving roller that is positioned at the upstream end of the upstream conveyor 11a and is rotationally driven by the support drive mechanism 19, and a downstream end of the upstream conveyor 11a. It has a driven roller located and the conveyor belt, and the conveyor belt is stretched between the driving roller and the driven roller.
  • the support drive mechanism 19 has a ball spline extending in the left-right direction and a belt drive motor that rotationally drives the ball spline.
  • the ball spline is coupled to the driving roller so that the driving force of the belt driving motor can be transmitted to the driving roller while allowing the driving roller to slide in the left-right direction.
  • the belt drive motor drives the transport belt in the transport direction by rotating the driving roller via the ball spline.
  • the guide 28 is a linear guide and supports the pair of upstream conveyors 11a so that they can slide in the left-right direction.
  • the support drive mechanism 19, the guide 28, and the slide mechanism 22 all have the pair of upstream conveyors 11 a at positions upstream of the upstream end of the rim table 13 in the transport direction (inlet side). Since it supports, it does not interfere with the rim 12 when the rim 12 on the rim table 13 is replaced. Furthermore, the slide mechanism 22 can prevent interference between the pair of upstream conveyors 11a and the rim 12 by widening the interval between the pair of upstream conveyors 11a.
  • the operation of the rim replacement mechanism 16 will be described.
  • the rim 12 mounted on the spindle unit 9 is removed from the spindle unit 9, and the lower spindle 9 b of the spindle unit 9 stands by at a position below the rim table 13.
  • the connection between the downstream end of the pair of upstream conveyors 11a and the upstream end of the pair of downstream conveyors 11b by the connecting member 21 of the hoisting mechanism 17 is released, thereby The pair of upstream conveyors 11a and the pair of downstream conveyors 11b are separated from each other.
  • the raising / lowering drive motor 20 operates to raise the pair of downstream conveyors 11b from the lying posture up to the standing position shown by a two-dot chain line in FIG. Specifically, the upstream end of the downstream conveyor 11b is turned upward about the base end of the pair of downstream conveyors 11b, that is, the downstream end.
  • the slide mechanism 22 slides the pair of upstream conveyors 11a outward in the left-right direction, thereby allowing an interval between the pair of upstream conveyors 11a as shown by a two-dot chain line in FIG. To the maximum (maximum spacing).
  • the rotation drive mechanism 18 rotates the rim table 13 around the vertical axis to move the rim 12d to the replacement position.
  • the replacement target rim 12d that has moved to the replacement position in this way passes between the pair of second conveyor units 11 in the vertical direction using the space secured above the replacement position. It can be removed from the rim table 13. Further, in the rim table 13, a rim that is prepared externally and has a size different from the size of the replacement target rim 12 d is mounted through the space where the replacement target rim 12 d has been mounted. Is done.
  • the raising / lowering drive motor 20 of the rim replacement mechanism 16 is operated to return the pair of downstream conveyors 11b from the standing posture to the lying posture.
  • the slide mechanism 22 is actuated to move the pair of upstream conveyors 11a inward in the left-right direction.
  • the connecting member 21 is returned to a state of connecting the pair of upstream conveyors 11a and the pair of downstream conveyors 11b.
  • rim sizes of a plurality of rims 12 mounted on the rim table 13 are managed.
  • the management of the rim size of the rim 12 is performed at the time of rim replacement, that is, the rim 12 mounted on the spindle unit 9 is replaced with any one of the plurality of rims 12 mounted on the rim table 13.
  • the pair of upstream conveyors 11a located above the rim table 13 is brought into contact with the rim 12 when the rim 12 is exchanged. This is done to prevent this from happening.
  • the rim size management method according to the present embodiment can prevent the inconvenience that the tire test cannot be normally performed due to the rim size of the rim 12 not matching the tire size. It is aimed.
  • the pair of second conveyor units 11 are not contacted when the rim is replaced, but between the inner peripheral portion of the tire T and the outer peripheral portion of the rim 12. A gap is formed. In such a case, it is difficult for air to enter the tire T, and the air in the tire T may not reach the test pressure.
  • the pressure in the tire T is monitored by a pressure sensor, and an error occurs in the tire testing machine 1 when the internal pressure does not reach the test pressure. Therefore, in the present embodiment, the tire testing machine 1 monitors whether or not the rim 12 selected for rim replacement is suitable for the tire T to be tested. As described above, since the rim size of the rim 12 is managed, it is possible to detect an abnormality that the rim 12 and the tire T are not matched before the tire test is performed.
  • the rim size of at least one measurement target rim among the plurality of rims 12 mounted on the rim table 13 is actually measured, and information on the rim 12 obtained by the actual measurement is obtained.
  • the rim size is managed by comparing the information on the rim registered in advance and determining whether or not these two pieces of information match.
  • the tire testing machine 1 further includes a rim measuring mechanism 40.
  • the rim measuring mechanism 40 is provided in a region on the downstream side of the tire test unit 3, that is, in the vicinity of the exit of the tire test unit 3.
  • the rim measurement mechanism 40 measures the rim size of the measurement target rim 12 among the plurality of rims 12 mounted on the rim table 13.
  • the rim measuring mechanism 40 is for measuring the size of the outer peripheral edge 50 of the rim 12.
  • the rim measuring mechanism 40 includes an extendable extension / contraction mechanism 41, a measurement unit 46, and a guide member 45.
  • the extension / contraction mechanism 41 includes a probe 44 at its tip.
  • the tip of the expansion / contraction mechanism 41 is constituted by the probe 44.
  • the expansion / contraction mechanism 41 is arranged so that the extending direction thereof faces the outer peripheral edge portion 50 (collar portion) of the rim 12.
  • the measuring unit 46 is arranged in such a posture that a direction in which a rod-shaped member 47 described later extends is parallel to the extending direction of the telescopic mechanism 41.
  • the guide member 45 is arranged in a posture that is parallel to the rod-shaped member 47 of the measuring unit 46, that is, parallel to the extension direction of the expansion / contraction mechanism 41.
  • the guide member 45 is a member for interlocking the expansion / contraction mechanism 41 and the measurement unit 46.
  • the rim measuring mechanism 40 is controlled by a controller 60 (control unit) that controls the operation of the tire testing machine 1.
  • the controller 60 (see FIG. 1) is configured by a computer, for example.
  • the expansion / contraction mechanism 41 is configured by an air cylinder 41
  • the probe 44 includes a rotatable roller
  • the measurement unit 46 is configured by a displacement sensor 46.
  • the rim measuring mechanism 40 measures the size of at least one outer peripheral edge portion 50 (collar portion 50) of the upper rim 12a and the lower rim 12b constituting the rim 12.
  • the rim measuring mechanism 40 measures the size of the outer peripheral edge 50 of the lower rim 12b, specifically, the diameter of the lower collar 50b of the lower rim 12b.
  • the lower collar portion 50b is a portion having the largest diameter in the lower rim 12b.
  • the size of the outer peripheral edge 50 measured by the rim measuring mechanism 40 may be, for example, the radius of the lower collar portion 50b of the lower rim 12b.
  • the upper rim 12a and the lower rim 12b are configured as separate parts. For this reason, there is a possibility that the lower rim 12b having a size different from the size of the upper rim 12a may be combined with the upper rim 12a for some reason. If the operator is not aware of such a combination of different sizes, the following problem may occur. For example, when the size of the upper rim 12a is larger than the size of the lower rim 12b to be measured by the rim measuring mechanism 40, the upper rim 12a may come into contact with the pair of second conveyor units 11. The reason why only the lower rim 12b is measured as in the present embodiment is as follows.
  • the rim size is a size of the rim, and is any size selected from a plurality of preset step sizes (for example, a size indicated by a notation such as R15 and R16). For this reason, when the size of the upper rim 12a and the size of the lower rim 12b are different, the operator can recognize this visually. Further, when the sizes of both the upper rim 12a and the lower rim 12b are measured by the rim measuring mechanism 40, the apparatus configuration of the tire testing machine 1 becomes complicated.
  • both the manufacturing cost of the tire testing machine 1 and the possibility of different combinations are considered, and in this embodiment, only the diameter at the outer peripheral edge 50 of the lower rim 12b is the object to be measured by the rim measuring mechanism 40. It is said.
  • a bar member standing in the vertical direction may be used instead of the probe 44. In this case, even when the sizes of the upper rim 12a and the lower rim 12b are different, the measurement using the rod member enables the larger rim size to be detected.
  • the rim measuring mechanism 40 is provided on a support member 52 attached to a frame member 51 constituting the marking unit 4.
  • the rim measuring mechanism 40 is provided so as to protrude from an upstream (inlet side) part of the marking unit 4 toward a downstream (exit side) part of the tire test unit 3.
  • the rim measuring mechanism 40 is supported by the support member 52 so as to protrude toward the outer peripheral edge portion 50 (lower collar portion 50b) of the lower rim 12b.
  • the air cylinder 41 constituting the telescopic mechanism 41 has a rod-shaped cylinder rod 42 and a long and cylindrical case body 43.
  • the cylinder rod 42 is configured to be movable relative to the case body 43 in the longitudinal direction.
  • the cylinder rod 42 is configured to be movable relative to the case body 43 in the direction toward the lower collar portion 50b of the lower rim 12b and in the opposite direction.
  • the cylinder rod 42 moves in the opposite direction, the cylinder rod 42 is stored in the case body 43.
  • the probe 44 is attached to the tip of the cylinder rod 42.
  • the tip of the cylinder rod 42 is fixed to the front end of the guide member 45.
  • the guide member 45 is formed of a long and rod-shaped member.
  • the axial center of the guide member 45 faces the same direction as the axial center of the air cylinder 41.
  • the guide member 45 is disposed between the air cylinder 41 and the displacement sensor 46.
  • the displacement sensor 46 includes a long rod-shaped rod-shaped member 47, a moving member 48 movable in the longitudinal direction of the rod-shaped member 47 along the outer peripheral surface of the rod-shaped member 47, and a movement amount (moving of the moving member 48.
  • a detection unit 49 that detects a distance
  • a rim diameter measurement unit that calculates the diameter of the outer peripheral edge 50 (lower collar portion 50b) of the rim 12 based on the detected movement distance and obtains the size of the rim 12. ,have.
  • a specific example of the displacement sensor 46 includes a magnetostrictive displacement sensor.
  • the magnetostrictive displacement sensor is employed as the displacement sensor 46, but there is no problem with other types of displacement sensors.
  • the magnetostrictive displacement sensor applies a current pulse to the rod-shaped member 47, and uses the fact that the return time of the current pulse changes according to the position of the magnet provided on the moving member 48, that is,
  • the detection unit 49 is configured to detect the position (movement distance) of the moving member 48 based on the time delay between the pulse transmission and the return pulse.
  • the moving member 48 is constituted by a plate-like member (plate piece) and is fixed to the rear end portion of the guide member 45.
  • the rim diameter measuring unit is one of the functions of the controller 60 that controls the operation of the tire testing machine 1 (not shown).
  • the axial centers of the air cylinder 41, the guide member 45, and the displacement sensor 46 face the same horizontal direction and are located on the same plane.
  • the height of the probe 44 from the floor surface and the height of the lower collar portion 50b of the lower rim 12b from the floor surface are substantially the same.
  • the operation of the rim measuring mechanism 40 will be described.
  • the probe 44 moves toward the lower collar portion 50b of the lower rim 12b.
  • the guide member 45 fixed to the cylinder rod 42 moves in the same direction (on the side of the lower collar portion 50b) in conjunction with the movement of the probe 44.
  • the moving member 48 fixed to the rear end portion of the guide member 45 is interlocked with the movement of the guide member 45 along the outer peripheral surface of the rod-shaped member 47 of the displacement sensor 46 (on the side of the lower collar portion 50b). )
  • the probe 44 comes into contact with the outer peripheral edge portion 50 (lower collar portion 50b) of the lower rim 12b, the extension operation of the cylinder rod 42 is stopped.
  • the displacement sensor 46 utilizes the fact that the current pulse flows through the rod-shaped member 47 and the time that the current pulse returns changes according to the position of the magnet provided on the moving member 48.
  • the position (movement amount) 48 is detected by the detection unit 49. That is, the detecting unit 49 detects the moving distance of the moving member 48 from a preset reference point, in other words, the moving distance of the probe 44 from the preset reference point.
  • the rim diameter measuring unit calculates the diameter of the outer peripheral edge 50 (lower collar 50b) of the lower rim 12b based on the movement distance detected by the detecting unit 49. Thereby, the rim size of the rim 12 is obtained.
  • the rim size management method includes a registration process, a measurement process, a determination process, and an avoidance process.
  • the registration step is a step of registering each rim size of the plurality of rims 12 mounted on the rim table 13 in association with a corresponding mounting position among the plurality of mounting positions.
  • the diameter of the rim 12 is registered as the rim size.
  • the present invention is not limited to this, and the radius of the rim 12 may be registered. May be registered.
  • the measurement step is a step of actually measuring the diameter of the outer peripheral edge of at least one measurement target rim 12 among the plurality of rims 12 mounted on the rim table 13 using the rim measurement mechanism 40. is there.
  • the measured diameter at the outer peripheral edge 50 of the measurement target rim 12 is associated with the mounting position where the measurement target rim 12 is mounted among the plurality of mounting positions, and is registered in advance. This is a step of determining whether or not it corresponds to the registered rim size.
  • the avoidance step when it is determined that the diameter does not correspond to the registered rim size, an avoidance operation for avoiding the attachment target rim 12 from contacting the pair of upstream conveyors 11a is performed. It is a process.
  • the measurement target rim 12 may be the same as the attachment target rim 12 among the plurality of rims 12 or may be different from the attachment target rim 12. Further, all of the plurality of rims 12 may be measurement target rims.
  • the mounting position detection unit for detecting.
  • An output signal related to the mounting position detected by the mounting position detection unit and output from the mounting position detection unit is input to the controller 60.
  • an absolute encoder may be used as the mounting position detection unit, but is not limited thereto.
  • the operator replaces the rim 12 and mounts a plurality of rims 12 on the rim table 13, and then performs a tire test on the information on the plurality of rims 12, the maximum interval between the pair of upstream conveyors 11a, and the like.
  • the information on the plurality of rims 12 includes information such as the rim size of the rim 12, the width of the rim 12, and the size of the tire T corresponding to the rim 12.
  • the appropriate interval between the pair of upstream conveyors 11a is obtained by a predetermined calculation formula based on the rim size of the rim 12. This calculation formula is stored in advance in the controller 60 that controls the tire testing machine 1 separately from the information of the rim table 13.
  • the relationship between the rim size and the appropriate interval between the pair of upstream conveyors 11a is stored in the storage area of the controller 60 as a predetermined relational expression.
  • the rim size D and the appropriate distance X between the pair of upstream conveyors 11a can be defined by, for example, the following relational expression (1) and relational expression (2).
  • the attachment target rim 12d which is a rim to be replaced (attachment target) moves as the lower spindle 9b supporting the rim 12d rises.
  • the table 13 passes between the pair of upstream conveyors 11a. For this reason, the interval between the pair of upstream conveyors 11a needs to be set to an appropriate interval according to the rim size of the rim 12d (interval larger than the outer diameter of the rim 12d).
  • the standby position of the lower spindle 9b after the tire test is a position where the lower spindle 9b is below the pair of upstream conveyors 11a and the lower rim 12b is not in contact with the rim table 13.
  • the diameter at the outer peripheral edge 50 (lower collar portion 50b) of the rim to be measured (for example, the mounting target rim 12d) is actually measured by the rim measuring mechanism 40. Is done.
  • the method for measuring the diameter of the lower collar portion 50b of the rim 12d using the rim measuring mechanism 40 is as described above.
  • the measured diameter at the outer peripheral edge portion 50 (lower collar portion 50b) of the rim 12d (for example, the mounting rim size that is the diameter at the outer peripheral edge portion 50 of the attachment target rim 12d measured in the measuring step) is It is compared with information related to the rim 12d registered in advance. Specifically, among the plurality of mounting positions of the rim table 13, a registered rim size that is a rim size registered in advance in association with the mounting position where the rim 12d to be measured is mounted, and the measured rim 12d described above. The diameter is compared.
  • the appropriate distance between the pair of upstream conveyors 11a corresponding to the rim 12d is calculated using the above relational expression based on the rim size registered in advance in association with the mounting position where the rim 12d to be measured is mounted. Is done.
  • the measured diameter of the rim 12 corresponds to the registered rim size. Specifically, in the determination step, when the difference between the measured diameter at the outer peripheral edge 50 of the rim 12d and the registered rim size is equal to or larger than a preset allowable value, the measured diameter is It is determined that it does not correspond to the registered rim size. When the difference between the diameter and the registered rim size is less than the allowable value, it is determined that the measured diameter corresponds to the registered rim size.
  • the controller 60 stops the operation for replacing the rim 12 attached to the spindle unit 9 with the selected rim 12d, The operation of the tire testing machine 1 is controlled so that the tire test is stopped.
  • the controller 60 can also control the operation of the tire testing machine 1 so as to notify the operator of the determination result.
  • the notification of the determination result may be performed, for example, by displaying information on the determination result (such as an error display) on a display device (not shown) of the tire testing machine 1.
  • the controller 60 when it is determined that the diameter does not correspond to the registered rim size, the controller 60, for example, information on a rim registered in advance is information on a rim obtained from an actual measurement value by the rim measuring mechanism 40. It may be configured to be stored in place of.
  • the rim size of the rim 12 is managed in the tire testing machine 1.
  • the controller 60 determines the size of the test target tire T from the plurality of rims 12 mounted on the rim table 13 based on information on the size of the test target tire T before performing the tire test. Of the tire testing machine 1 so that the selected rim 12 (attachment target rim) is automatically replaced with the rim 12 attached to the spindle unit 9. Control the behavior.
  • the diameter at the outer peripheral edge 50 of the selected rim 12 is measured by the rim measuring mechanism 40. If the measured diameter at the outer peripheral edge portion 50 does not correspond to a pre-registered rim size associated with the mounting position corresponding to the selected rim 12 among the plurality of mounting positions, the determination step When the determination is made, in order to ensure safety, the controller 60 stops the operation for exchanging the rim attached to the spindle unit 9 with the selected rim 12, and the tire test is stopped. Thus, the operation of the tire testing machine 1 is controlled.
  • the controller 60 may control the operation of the tire testing machine 1 so that the diameters of the outer peripheral edge portions 50 (the flange portions 50) of all the rims 12 mounted on the rim table 13 are measured. Specifically, the controller performs the operation of the tire testing machine 1 so that the measurement step and the determination step are executed for each of the plurality of rims 12 when a preset condition is satisfied. You may control. Hereinafter, this operation is referred to as a total rim size measurement operation. In the total rim size measurement operation, the controller 60 determines that each of the plurality of rims 12 mounted on the rim table 13 has a size at the outer peripheral edge in the measurement step when a preset condition is satisfied. Is measured one by one, and it is determined in the determination step whether or not the measured size at the outer peripheral edge corresponds to the registered rim size.
  • controller 60 may control the operation of the tire testing machine 1 so that a display prompting the operator to perform the entire rim size measurement operation is performed when a preset condition is satisfied. Good.
  • the preset conditions include, for example, condition (A): the rim size registration operation has been performed, condition (B): the apparatus power supply has been switched from the off state to the on state, and the condition (C ): After the abnormal stop of the tire testing machine 1 has occurred, the tire testing machine 1 can be restarted.
  • the controller 60 may control the operation of the tire testing machine 1 so that the entire rim size measurement operation is automatically performed, and the operator can Unless the operation for instructing the execution of the rim size measurement operation is performed, the operation of the tire testing machine 1 may be controlled so as to be interlocked so that the tire test cannot be started.
  • the controller 60 can determine that the condition (A) is satisfied when the hoisting mechanism 17 is switched to the standing posture.
  • the rim size registration operation is not performed after the rim 12 on the rim table 13 is replaced with the apparatus power off, the rim sizes of the plurality of rims 12 mounted on the rim table 13 are registered. Inconvenience arises that the rim size is different. For this reason, when the condition (B) is satisfied, the total rim size measurement operation is executed.
  • the operation of the tire testing machine 1 may be controlled as follows. In such a case, even if the power supply is turned off, the controller 60 can monitor the state of each part constituting the tire testing machine 1 as long as the control power supply is kept on. In this way, if the power supply is off and the control power supply is on, for example, when the operator raises the downstream conveyor 11b, the controller 60 can detect the operation and the rim replacement can be performed. It is also possible to determine that there is a possibility that it has been performed.
  • the controller 60 performs the total rim size measurement operation at the timing when the operation of the tire testing machine 1 is started when the power source is turned on or after the power source is turned on. As described above, the operation of the tire testing machine 1 may be controlled. When the control power is off, the controller 60 cannot monitor the state of each part constituting the tire testing machine 1, and the rim replacement is performed while the control power is off. Cannot determine whether or not there is a possibility Therefore, the controller 60 may thereafter control the operation of the tire testing machine 1 so that the entire rim size measurement operation is performed when the control power supply is turned on.
  • the elements of the tire testing machine 1 rim
  • the controller 60 cannot recognize the position of the table rotation angle, marking device position, spindle position, and the like. Therefore, the controller 60 controls the operation of the tire testing machine 1 so that the origin of the various elements of the tire testing machine 1 is returned at the time of restart. At this time, the controller 60 controls the operation of the tire testing machine 1 so that the entire rim size measurement operation is performed in parallel with the operation of returning to the origin of the various elements or after the operation of returning to the origin.
  • the diameter of the rim 12d actually measured using the rim measuring mechanism 40 is stored in the controller 60 in association with the mounting position where the rim 12d is mounted.
  • the controller 60 When measuring the diameter continuously for a plurality of rims 12 mounted on the rim table 13, after measuring the diameter at the outer peripheral edge 50 of any rim 12 among the plurality of rims, the controller 60 The rim table 13 is rotated so that the next rim 12 to be measured moves to the measurement position (position), and the diameter of the outer peripheral edge portion 50 (collar portion 50) of the next rim 12 is measured. The operation of the testing machine 1 is controlled. By repeating this measurement cycle, the diameters of the outer peripheral edges of all the rims 12 mounted at all the mounting positions (all positions) of the rim table 13 are measured. The measurement result thus measured, that is, the rim size of the rim mounted at each mounting position (each position) is stored in the controller 60 in association with the corresponding mounting position information.
  • the controller 60 determines whether the size at the outer peripheral edge of any one of the plurality of rims 12 mounted at the plurality of mounting positions of the rim table 13 is the determination step. If it is determined that the registration rim size does not correspond to the registration rim size, the measurement step and the determination step are stopped even if the measurement step and the determination step are not completed for all of the plurality of rims 12.
  • the operation of the tire testing machine 1 may be controlled. Specifically, it is as follows.
  • the rim table 13 has four mounting positions, and four rims 12 are mounted at the four mounting positions, specifically, the rim 12 mounted at the mounting position A and the mounting position B.
  • the rim 12, the rim 12 mounted at the mounting position C, and the rim 12 mounted at the mounting position D are mounted.
  • the measurement step includes a first measurement step, a second measurement step, a third measurement step, and a fourth measurement step.
  • the sizes of the outer peripheral edge portions of the four rims 12 are measured.
  • the determination step includes a first determination step, a second determination step, a third determination step, and a fourth determination step.
  • the size of the rim 12 measured in the first measurement step (the rim 12 mounted at the mounting position A) at the outer peripheral edge is mounted on which the rim 12 is mounted. It is determined whether or not it corresponds to the registered rim size registered in association with the position A. The same applies to the second to fourth determination steps.
  • the measurement process and the determination process as described above include, for example, the first measurement process, the first determination process, the second measurement process, the second determination process, the third measurement process, and the first measurement process. 3 determination steps, the fourth measurement step, and the fourth determination step. That is, the order in which the plurality of measurement steps are performed is set in advance, and the order in which the plurality of determination steps is performed is set in advance. Then, the controller 60, for example, if the size at the outer peripheral edge of the rim 12 mounted at the mounting position C in the third measurement step does not correspond to the registered rim size in the third determination step. If determined, the operation of the tire testing machine 1 is performed so that the measurement step and the determination step are stopped even if the fourth measurement step and the fourth determination step are not completed. Control.
  • the timing of measuring the size of the rim 12 may be any time during which the tire test is not performed, for example, when the rim 12 is placed on the rim table 13 (when the rim is placed), or plural times mounted on the rim table 13. It is preferable to replace a part or all of the rim 12 with a rim of a different size prepared outside.
  • the rim table 13 is detected.
  • the diameter measurement may be performed on all the rims 12 mounted on the rim 12.
  • the diameter of the rim 12 is measured, for example, at least a part of the rims 12 mounted on the rim table 13 is replaced, and then registration is performed when the rim size is not registered.
  • the information about the rim 12 being used and the rim size of the rim 12 actually mounted on the rim table 13 are different.
  • the interval between the pair of upstream conveyors 11a is not an appropriate interval corresponding to the replaced rim 12. For this reason, if the rim 12 is replaced in that state, the rim 12 may come into contact with the pair of upstream conveyors 11a.
  • the rim size of the rim 12 mounted in all positions of the rim table 13 must be set immediately after starting the tire testing machine 1 and immediately before starting the tire test.
  • the tire testing machine 1 may be controlled so that the above measurement is automatically performed.
  • a sensor or the like may be provided at the base end portion of the pair of downstream conveyors 11b, and the tire testing machine 1 may be controlled such that the standing state of the pair of downstream conveyors 11b is monitored by the sensor. Specifically, when the pair of downstream conveyors 11b is switched to the standing state, the rim 12 may be replaced after the rim size of the rim 12 is measured. As described above, when the pair of downstream conveyors 11b are switched to the standing state, all rims mounted at all mounting positions (all positions) of the rim table 13 before the tire test is started. 12, the operation of the tire testing machine 1 may be controlled so that the measurement of the diameter is always performed automatically.
  • the tire testing machine 1 when it is detected that an operation is performed on the rim 12 after the size of the rim 12 is measured, the tire testing machine 1 has a lock unit (interlock) that prevents the operation from being performed. It may be provided. For example, when the lock means is to be released, the release operation may be detected and an interlock (safety mechanism) may be activated.
  • an interlock safety mechanism
  • the diameter of at least one measurement target rim 12 of the plurality of rims 12 mounted on the rim table 13 is actually measured by the rim measurement mechanism 40 and obtained from the measurement result.
  • the rim size can be correctly managed by comparing the information about the rim 12 to be registered with the rim size data of the rim 12 registered in advance.
  • an air cylinder is used for the telescopic mechanism 41, a roller is used for the probe 44, and a displacement sensor is used for the measuring unit 46.
  • a roller is used for the probe 44, and a displacement sensor is used for the measuring unit 46.
  • the present invention is not limited to this example.
  • the case where the diameter of the lower collar portion 50b of the lower rim 12b is measured is exemplified, but both the flange portions 50a and 50b of the upper rim 12a and the lower rim 12b are measured. It may be constituted so that only the diameter of upper collar part 50a of upper rim 12a may be measured.
  • the size of the outer peripheral edge 50 of the rim measured in the measurement process is the diameter of the outer peripheral edge 50, but is not limited to this, for example, the radius of the outer peripheral edge 50. Alternatively, other sizes that serve as an index of the rim size may be used.
  • the pair of conveyors in the rim size management method of the present invention is configured by the pair of upstream conveyors 11a, that is, the pair of belt conveyors, but is not limited thereto.
  • the pair of conveyors in the rim size management method of the present invention may be constituted by, for example, a pair of roller conveyors.
  • the pair of roller conveyors may be, for example, the roller conveyor shown in FIG.
  • each of the pair of roller conveyors has a plurality of rollers arranged in the tire conveyance direction.
  • the pair of roller conveyors is configured to be able to adjust the distance between each other.
  • the present invention is a pair of conveyors for conveying tires to be tested in a tire test, and a rim table disposed below the pair of conveyors, including a first rim and a second rim, and each other
  • a tire testing machine comprising: a rim table having a plurality of mounting positions each capable of mounting a plurality of rims having different rim sizes; a spindle unit to which a rim can be attached; and a rim measuring mechanism.
  • the rim to be attached is moved forward from the rim table by passing the rim to be attached between the pair of conveyors.
  • a management method for managing each of rim size of said plurality of rim is a management method for managing each of rim size of said plurality of rim.
  • the rim size management method in the tire testing machine includes a registration step of registering each rim size of the plurality of rims mounted on the rim table in association with a corresponding mounting position among the plurality of mounting positions; A measuring step of actually measuring the size of the outer peripheral edge of the first rim mounted at least at the first mounting position among the plurality of mounting positions using the rim measuring mechanism; and the measured first A determination step of determining whether or not a size at an outer peripheral edge of one rim corresponds to a registered rim size that is a pre-registered rim size associated with the first mounting position; When it is determined that the size at the outer peripheral edge does not correspond to the registered rim size, the attachment rim is contacted with the pair of conveyors. And a avoidance steps of avoidance operation is performed for.
  • an interval between the pair of conveyors is adjusted to an appropriate interval according to a rim size of the attachment target rim, and the attachment target rim is
  • the rim table moves upward from the pair of conveyors through the pair of conveyors.
  • the size at the outer peripheral edge of the first rim is measured in the measurement step, and whether or not the measured size corresponds to the registered rim size in the determination step. Is determined, and when it is determined that the measured size at the outer peripheral edge does not correspond to the registered rim size, in the avoiding step, the attachment target rim is prevented from contacting the pair of conveyors. An avoidance operation is performed.
  • the avoidance operation for example, when it is determined that the size at the outer peripheral edge portion does not correspond to the registered rim size, the operation for stopping the rim replacement, the operation for stopping the tire test, and the registration For example, an operation for notifying the operator of rim-related information such as an error in information or a possibility that the rim may come into contact with the conveyor may be mentioned.
  • the first rim to be measured may be the same as the attachment target rim attached to the spindle unit when the rim is replaced, and is different from the attachment target rim. Also good. Even when the measurement target first rim is different from the attachment target rim, when it is determined that the size of the outer peripheral edge of the first rim does not correspond to the registered rim size, There may be an error in the registration information related to the rim other than the first rim. Therefore, by performing the avoidance operation in such a case, it is easy to avoid the attachment target rim from coming into contact with the pair of conveyors.
  • the plurality of mounting positions include at least the first mounting position and the second mounting position, and the first rim is mounted at the first mounting position, The rim is mounted at the second mounting position, and the measuring step includes actually measuring the size of the outer peripheral edge of the second rim using the rim measuring mechanism,
  • the target rim is one of the first rim and the second rim, and in the determination step, the attachment is a size at the outer peripheral edge of the attachment target rim measured in the measurement step. It is determined whether or not the rim size corresponds to a registered rim size registered in advance in association with the mounting position of the mounting target rim.
  • the mounting rim size is determined as the registered rim size. And when it is determined not to be compatible, the avoidance operation may be performed.
  • the attachment target rim attached to the spindle unit is any one of the first rim and the second rim, and the size (attachment rim size) is measured in the measurement step. And it is a rim for which it is determined in the determination step whether or not the attachment rim size corresponds to the registered rim size.
  • the avoidance step when it is determined that the attachment rim size does not correspond to the registered rim size, the avoidance operation is performed. Even if the registration information related to the mounting target rim registered in advance in the registration step is erroneous, the determination step at least determines the mounting target rim so that the mounting is performed at the time of the rim replacement. When the target rim passes between the pair of conveyors, it can be avoided to contact the pair of conveyors.
  • the outer periphery measured when the difference between the size at the outer periphery and the registered rim size measured in the measurement step is equal to or larger than a preset allowable value.
  • a preset allowable value Preferably, it is determined that the size in the portion does not correspond to the registered rim size.
  • the allowable value for determining whether or not the measured size at the outer peripheral edge corresponds to the registered rim size is preset, when measuring the size at the outer peripheral edge Even if an error occurs, if the error falls within the allowable value range, it is determined that the measured size at the outer peripheral edge corresponds to the registered rim size. Thereby, it can suppress that the said avoidance operation
  • the rim measurement mechanism includes an expansion / contraction mechanism arranged to extend toward the outer peripheral edge of the rim where the size of the outer peripheral edge is measured by the rim measurement mechanism, and the expansion / contraction mechanism
  • a measuring unit including a rod-like member arranged in parallel with the extending direction in which the member extends, and a moving member moving along the rod-like member, and the movement of the telescopic mechanism and the measuring unit arranged in parallel with the extending direction.
  • a guide member that interlocks with the member, and in the measurement step, when the distal end portion of the expansion / contraction mechanism comes into contact with the outer peripheral edge by extending the expansion / contraction mechanism, the expansion / contraction is performed via the guide member. It is preferable that a moving distance from a preset reference point of the moving member interlocked with a mechanism is calculated, and a size at the outer peripheral edge is calculated based on the moving distance. Arbitrariness.
  • the rim measuring mechanism is a contact type measuring mechanism.
  • the optical measuring mechanism includes, for example, as shown in FIG. 9, a sensor 105 that emits light and a reflector 106 that reflects the light emitted from the sensor 105, and the sensor
  • the size of the rim 104 is compared with the interval of the conveying means 101 based on whether or not the light emitted from the light 105 (light projection line 107) is blocked by the rim 104.
  • the reflector 106 may not be able to properly reflect the light emitted from the sensor 105 due to dust or the like attached thereto.
  • the reflector 106 is attached to the upper surface of the rim table 102, for example.
  • the reflector 106 peels off from the upper surface of the rim table 102.
  • a countermeasure against peeling of the reflection plate 106 for example, a processing method of embedding the resin reflection plate 106 in the upper surface of the rim table 102 can be cited.
  • the processing method of embedding the reflecting plate on the upper surface of the rim table is not an appropriate countermeasure because it takes much time and costs.
  • the rim measuring mechanism is a contact-type measuring mechanism, the reflection plate in the optical measurement mechanism is unnecessary, and thus the above-described inconvenience due to the adhesion of dust or peeling of the reflection plate occurs. Absent.
  • the tire testing machine further includes a controller that controls the operation of the tire testing machine, and the controller performs the outer periphery in the measurement step when a preset condition is satisfied.
  • the determination step it is determined whether or not the measured size at the outer peripheral edge corresponds to the registered rim size, one for each of the plurality of rims mounted on the rim table. It is preferable to control the operation of the tire testing machine.
  • a total rim size measurement operation is performed in which the measurement step and the determination step are executed for each of the plurality of rims mounted on the rim table. Therefore, when the rim replacement operation is performed after the entire rim size measurement operation is performed, the operations related to the measurement step and the determination step are not necessary.
  • the reason for this is that, after the entire rim size measurement operation is completed, the measurement in the measurement step and the determination in the determination step have already been completed for each of the plurality of rims mounted on the rim table. . This allows the tire test cycle time to be reduced. Further, it is possible to reduce the frequency at which the avoidance operation is performed when the tire test is executed, and to reduce the frequency at which the tire test is interrupted.
  • the controller determines that the size of the rim of any one of the plurality of rims does not correspond to the registered rim size in the determination step, Even if the measurement step and the determination step are not completed for all of the rims, the operation of the tire testing machine may be controlled so that the measurement step and the determination step are stopped.
  • the size at the outer peripheral edge of any one of the plurality of rims is registered. If it is determined that it does not correspond to the rim size, the entire rim size measurement operation is stopped. This is because, for example, the avoidance operation at the time when the determination is made, specifically, the rim-related information such as, for example, that there is an error in the registration information or that the rim may contact the conveyor is given to the operator. It is possible to perform an operation for notification.
  • the controller may update the registered rim size for at least one rim among the plurality of rims based on a determination result in the determination step.
  • the registered rim size is automatically determined based on the determination result. Allows to be updated.
  • the tire testing machine further includes a controller that controls the operation of the tire testing machine, and the controller determines whether the size at the outer peripheral edge measured in the measuring step is the determining step. It is preferable to control the operation of the tire testing machine so that the tire test is stopped when it is determined that the tire does not correspond to the registered rim size.
  • the operation of the tire testing machine is controlled so that the tire test is stopped. This allows the rim contact to the pair of conveyors to be avoided more reliably.
  • the tire testing machine further includes a controller that controls the operation of the tire testing machine, and the controller includes information on the size of the tire to be tested before performing the tire testing.
  • the mounting target rim having a rim size corresponding to the size of the test target tire is selected, and the selected mounting target rim is the spindle. It is configured to control the operation of the tire testing machine so that it is automatically replaced with a rim attached to the unit, and the size at the outer peripheral edge of the selected attachment target rim is measured in the measurement step.
  • the measured size at the outer peripheral edge is the selected mounting pair among the plurality of mounting positions.
  • the controller selects the rim attached to the spindle unit. It is preferable to control the operation of the tire testing machine so that the operation for exchanging with a rim is stopped and the tire test is stopped.
  • the selected rim to be attached is registered in advance. Is not supported, the rim replacement operation is stopped and the tire test is stopped. This allows the rim contact to the pair of conveyors to be avoided more reliably.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Testing Of Balance (AREA)

Abstract

L'invention concerne un procédé de gestion de taille de jante pour une machine de test de pneu (1) qui comprend : une étape d'enregistrement pour enregistrer les tailles de jante d'une pluralité de jantes (12) à monter sur une table de jante (13) en association avec des positions de montage correspondantes parmi une pluralité de positions de montage sur la table de jante (13) ; une étape de mesure pour mesurer réellement la taille, au niveau d'un bord périphérique externe (50), d'une première jante (12) qui est montée sur au moins une première position de montage parmi les positions de montage, à l'aide d'un mécanisme de mesure de jante (40) ; une étape de détermination pour déterminer si la taille mesurée de la première jante (12) au niveau du bord périphérique externe (50) correspond à la taille de jante enregistrée qui est l'une des tailles de jante enregistrées ; et une étape de prévention pour effectuer une opération de prévention pour empêcher la jante de venir en contact avec une paire de transporteurs lorsqu'il est déterminé que la taille au niveau du bord périphérique externe ne correspond pas à la taille de jante enregistrée.
PCT/JP2019/009263 2018-03-29 2019-03-08 Procédé de gestion de taille de jante pour machine de test de pneu WO2019188110A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020207030367A KR20200131327A (ko) 2018-03-29 2019-03-08 타이어 시험기에 있어서의 림 사이즈의 관리 방법
CN201980021195.9A CN111902708A (zh) 2018-03-29 2019-03-08 轮胎试验机中的轮辋尺寸的管理方法
US17/040,723 US20210018402A1 (en) 2018-03-29 2019-03-08 Rim size management method for tire testing machine

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018064490 2018-03-29
JP2018-064490 2018-03-29
JP2019-037736 2019-03-01
JP2019037736A JP2019174450A (ja) 2018-03-29 2019-03-01 タイヤ試験機におけるリムサイズの管理方法

Publications (1)

Publication Number Publication Date
WO2019188110A1 true WO2019188110A1 (fr) 2019-10-03

Family

ID=68060176

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/009263 WO2019188110A1 (fr) 2018-03-29 2019-03-08 Procédé de gestion de taille de jante pour machine de test de pneu

Country Status (1)

Country Link
WO (1) WO2019188110A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4275875A1 (fr) * 2022-05-13 2023-11-15 Hofmann Maschinen- und Anlagenbau GmbH Installation de mesure des pneu, ainsi que procédé de fonctionnement associé

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0478937B2 (fr) * 1986-06-28 1992-12-14 Sumitomo Rubber Ind
JPH05657B2 (fr) * 1986-12-15 1993-01-06 Kobe Steel Ltd
JP2532792B2 (ja) * 1992-01-23 1996-09-11 株式会社ホフマンジャパン ホイ―ルバランス調整装置
JP2661753B2 (ja) * 1989-08-30 1997-10-08 株式会社神戸製鋼所 タイヤユニフォミティマシン
WO2012063281A1 (fr) * 2010-11-10 2012-05-18 平田機工株式会社 Machine d'uniformité de pneus et procédé de remplacement des jantes d'une machine d'uniformité de pneus
JP5863467B2 (ja) * 2012-01-12 2016-02-16 三菱重工マシナリーテクノロジー株式会社 タイヤ試験機のリム交換装置
JP6018540B2 (ja) * 2013-05-08 2016-11-02 株式会社神戸製鋼所 タイヤ試験機用コンベア

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0478937B2 (fr) * 1986-06-28 1992-12-14 Sumitomo Rubber Ind
JPH05657B2 (fr) * 1986-12-15 1993-01-06 Kobe Steel Ltd
JP2661753B2 (ja) * 1989-08-30 1997-10-08 株式会社神戸製鋼所 タイヤユニフォミティマシン
JP2532792B2 (ja) * 1992-01-23 1996-09-11 株式会社ホフマンジャパン ホイ―ルバランス調整装置
WO2012063281A1 (fr) * 2010-11-10 2012-05-18 平田機工株式会社 Machine d'uniformité de pneus et procédé de remplacement des jantes d'une machine d'uniformité de pneus
JP5863467B2 (ja) * 2012-01-12 2016-02-16 三菱重工マシナリーテクノロジー株式会社 タイヤ試験機のリム交換装置
JP6018540B2 (ja) * 2013-05-08 2016-11-02 株式会社神戸製鋼所 タイヤ試験機用コンベア

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4275875A1 (fr) * 2022-05-13 2023-11-15 Hofmann Maschinen- und Anlagenbau GmbH Installation de mesure des pneu, ainsi que procédé de fonctionnement associé

Similar Documents

Publication Publication Date Title
JP2019174450A (ja) タイヤ試験機におけるリムサイズの管理方法
US8025475B2 (en) Wafer transfer apparatus, wafer transfer method and storage medium
US11465299B2 (en) State monitoring system and state monitoring method
JP5917041B2 (ja) タイヤバランス測定装置におけるリム交換装置
WO2012137416A1 (fr) Dispositif de chargement pour équipement d'essai de pneumatiques
KR101163327B1 (ko) 타이어용 바코드 라벨 자동 부착 장치
KR101082422B1 (ko) 자동화로봇의 작동상태 모니터링장치, 이상동작 검출시스템 및 그 제어방법
WO2019188110A1 (fr) Procédé de gestion de taille de jante pour machine de test de pneu
US20210010905A1 (en) Tire testing machine
KR101967082B1 (ko) 타이어 검사 장치, 및 타이어의 자세 검출 방법
JP4889381B2 (ja) 支持リムへのタイヤの芯合わせ方法および装置
JP2011140162A (ja) 生タイヤ製造装置のモニタリングシステム
TWI700478B (zh) 輪胎試驗機及輪胎的標記方法
KR20130098484A (ko) 센서를 이용한 코일 정렬장치
JPH04341444A (ja) 巻取紙の自動装着装置
US11193857B2 (en) Tire tester machine having a lubricator in a conveying direction
TWI660163B (zh) 輪胎搬運裝置、具備其的輪胎試驗系統及輪胎搬運方法
JP2019015581A (ja) 金型内周面測定装置
JP7568963B1 (ja) 筒状のタイヤ部材の製造装置および方法
WO2019187812A1 (fr) Machine de test de pneu
JP5641356B2 (ja) ロール体用支持台及びロール体収納設備
JP4202530B2 (ja) タイヤのビード幅測定装置
KR20060114807A (ko) 웨이퍼의 이송을 제어하는 장치
CN105789075A (zh) 基座旋转是否正常的监测方法及装卸载基片的方法
KR20100031236A (ko) 오리엔터 조합체 에러 자동 복구 시스템 및 그 방법, 웨이퍼 에지 손상 검출 시스템 및 그 방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19776837

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20207030367

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 19776837

Country of ref document: EP

Kind code of ref document: A1