CN103707535B - Detection method for model core assembly - Google Patents
Detection method for model core assembly Download PDFInfo
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- CN103707535B CN103707535B CN201310431819.9A CN201310431819A CN103707535B CN 103707535 B CN103707535 B CN 103707535B CN 201310431819 A CN201310431819 A CN 201310431819A CN 103707535 B CN103707535 B CN 103707535B
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Abstract
The invention provides a detection method for a model core assembly, capable of accurately obtaining the measuring error of a measuring device. The detection method for the model core assembly (4) comprises measuring the profile of the model core assembly which has a green tyre (3) formed on the outer surface of a model core (3) with a measuring device on a continuous tyre production line (M)(S1), evaluating shaping state of the model core assembly by comparing the profile of the model core assembly with evaluation referential data (D) (S2), supplying main die (88) with a known profile similar to the model core assembly to the continuous production line(S3), measuring the profile of the main die(S4), and calculating error between the profile of the main die and the known profile to obtain the measuring error(S5).
Description
Technical field
The present invention relates to the inspection method of the core assembly of the measurement error of measurement apparatus can be obtained correctly.
Background technology
In recent years, in order to improve the uniformity of tire, for example, propose to have using having and the inner surface of polish tire
The manufacture method of the tire of the core of the close outer surface of shape（Referring for example to following patent documentations 1）.In this manufacture method
In, green tire formation process is carried out first, i.e.,：By by including the component parts including inner liner rubber and carcass ply etc. in order
It is pasted on successively on the outer surface of core and forms green tire.Then vulcanization process is carried out, i.e.,：By after core defines green tire
Core assembly is put in sulfurizing mould, so as to the die cavity between core and sulfurizing mould carries out vulcanization forming to green tire.
In green tire formation process as described above, rubber mass is formed because of the error of forming machine etc. sometimes（volume）
More than the core assembly of the lower limit of the higher limit or not enough prescribed limit of prescribed limit.For such core assembly
Speech, there are problems that being easy to producing in vulcanization process cacoplastic.Accordingly, it is considered to before vulcanization process, using measurement dress
Put to measure the contour shape of core assembly, and the shaped state to core assembly is evaluated.
Patent documentation 1：Japanese Unexamined Patent Publication 11-254906 publication
However, for measurement apparatus as described above, if continuously measuring the contour shape of multiple core assemblies,
Tendency can be presented：Survey is produced because the fastening unit such as component undergoes deformation, screw for for example constituting measurement apparatus occurs to loosen
Amount error.Because such measurement error is very little, therefore there is a problem of being difficult to correctly obtain above-mentioned measurement error.
The content of the invention
The present invention be in view of above such practical situation and propose, its main purpose is to provide a kind of core assembling
The inspection method of body, the master mold to the tinuous production supply towards tire（master model）Contour shape surveyed
Amount, and measurement apparatus are obtained according to the difference of the known contour shape of the measured value and master mold of the contour shape of master mold
Measurement error, as basic, can correctly obtain the measurement error of measurement apparatus.
Invention in the present invention described in technical scheme 1 is a kind of inspection method of core assembly, including following operation：
The operation of the contour shape of core assembly is measured using measurement apparatus on the tinuous production of tire, wherein, core assembling
Body is formed with green tire in the outer surface with rigid core；And operation is evaluated, by the profile to above-mentioned core assembly
Shape and metewand data are compared and evaluate the shaped state of above-mentioned core assembly, wherein, above-mentioned metewand number
According to the contour shape of the good core assembly of the shaped state for defining above-mentioned green tire, the inspection method of above-mentioned core assembly
It is characterised by, also including following operation：To above-mentioned tinuous production supply master mold operation, the master mold have with it is above-mentioned
The approximate contour shape of core assembly and above-mentioned contour shape are known contour shape；Master mold measures operation, in measurement
State the contour shape of master mold；And measurement error calculation process, it is above-mentioned according to what is obtained in measuring operation in above-mentioned master mold
The difference of the known contour shape of the contour shape of master mold and above-mentioned master mold, obtains the measurement error of above-mentioned measurement apparatus.
In addition, on the basis of the inspection method of the core assembly described in technical scheme 1, for the institute of technical scheme 2
For the invention of record, above-mentioned measurement apparatus have the sensor that the contour shape to above-mentioned core assembly is measured, on
Stating the inspection method of core assembly also includes amendment operation, in the case where above-mentioned measurement apparatus have above-mentioned measurement error,
Above-mentioned metewand data are corrected based on above-mentioned measurement error or the sensor is corrected based on above-mentioned measurement error
Output valve.
In addition, on the basis of the inspection method of the core assembly described in technical scheme 1 or 2, for technical scheme 3
For described invention, above-mentioned evaluation operation includes taking out of operation, takes out of in operation at this, is only judged as shaped state
Good above-mentioned core assembly to the sulfurizing mould that above-mentioned green tire is vulcanized towards taking out of.
In addition, on the basis of the inspection method of the core assembly described in technical scheme 3, for the institute of technical scheme 4
For the invention of record, including more new process, in this more new process, when above-mentioned measurement apparatus have above-mentioned measurement error,
Above-mentioned metewand data are updated, after the sulfuration in the above-mentioned core assembly for measuring contour shape in advance
Shaped state is be evaluated as the contour shape of good core assembly to calculate above-mentioned metewand data.
In addition, on the basis of the inspection method of the core assembly described in technical scheme 4, for the institute of technical scheme 5
For the invention of record, carry out average by the contour shape to multiple above-mentioned core assemblies and calculate above-mentioned evaluation base
Quasi- data.
The inspection method of the core assembly of the present invention includes following operation：Using measurement on the tinuous production of tire
The operation that device is measured to the contour shape of core assembly, wherein, above-mentioned core assembly is with rigid core
Outer surface be formed with green tire；And operation is evaluated, carried out with metewand data by the contour shape to core assembly
The shaped state of core assembly is relatively evaluated, wherein, the shaped state that above-mentioned metewand data define green tire is good
Core assembly contour shape.Can be on the tinuous production of tire efficiently to multiple using such inspection method
The shaped state of core assembly is evaluated.
In addition, the inspection method of the present invention also includes following operation：The operation of master mold, the master are supplied to tinuous production
It is known contour shape that mould has the contour shape and above-mentioned contour shape approximate with core assembly；And master mold
Measurement operation, measures the contour shape of master mold.Inspection method also includes measurement error calculation process, according to measuring in master mold
The difference of the known contour shape of the contour shape and master mold of the master mold obtained in operation, the measurement for obtaining measurement apparatus is missed
Difference.
For such inspection method, because master mold has the contour shape approximate with core assembly, therefore
It is identical with core assembly, can easily measure the contour shape of master mold.In addition, in the inspection method of the present invention, energy
Reach the difference of the known contour shape of the measured value and master mold of the contour shape according to master mold and correctly obtain measurement dress
The measurement error put.
Further, in the inspection method of the present invention, master mold is supplied to tinuous production, so as to assemble body phase with core
Together, the contour shape of above-mentioned master mold can be measured.Therefore, in the inspection method of the present invention, due to continuous production need not be made
Line stops that the measurement error of measurement apparatus just can be obtained, therefore reduces will not the productivity ratio of tire.
Description of the drawings
Fig. 1 is the top view of the device used in the inspection method of the tire of present embodiment.
Fig. 2 is the side view of an example of the measurement apparatus for illustrating present embodiment.
Fig. 3 is the exploded perspective view of an example for illustrating core.
Fig. 4 is the sectional view of the core with green tire.
Fig. 5 is the sectional view illustrated to connection unit.
Fig. 6 is the side view for illustrating core support.
Fig. 7 is the side view for illustrating Measurement portion.
Fig. 8 is the top view shown in the support plate amplification by arm support.
Fig. 9 is the top view of the track for illustrating range sensor and laser light.
Figure 10 is the curve chart of the measurement result of the contour shape for illustrating green tire.
Figure 11 is the side view for illustrating horizontal movement unit
Figure 12 is the curve chart of the contour shape for illustrating green tire and core.
Figure 13 is the curve chart of the contour shape of the green tire for illustrating that core and shaped state are good.
Figure 14 is the axonometric chart of an example of the master mold for illustrating present embodiment.
Figure 15 is the contour shape and the curve chart of known contour shape for illustrating the master mold obtained by measurement.
Figure 16 is the curve chart for illustrating metewand data and amendment metewand data.
Figure 17 is the curve chart for illustrating the metewand data after updating.
Figure 18 is the curve chart of the output valve and revised output valve for illustrating sensor.
Description of reference numerals：
1 ... measurement apparatus；2 ... cores；3 ... green tires；4 ... core assemblies；88 ... master molds；The continuous life of M ... tires
Producing line.
Specific embodiment
Hereinafter, an embodiment of the invention is illustrated based on accompanying drawing.
As depicted in figs. 1 and 2, present embodiment core assembly inspection method（Hereinafter, sometimes referred to simply as " inspection
Checking method "）In, surveyed using the contour shape that the later core assembly 4 of green tire 3 is defined to the outer surface in core 2
The measurement apparatus 1 of amount.The measurement apparatus 1 are for example configured at the tinuous production M of tire.
As shown in figure 1, the tinuous production M of tire for example includes：Form the green tire forming device of core assembly 4（Save
Sketch map shows）；By core assembly 4 from green tire forming device（Omit diagram）Be transported to measurement apparatus 1 moves into device 7；Will be by
The core assembly 4 of the measurement of measurement apparatus 1 is transported to sulfurizing mould（Omit diagram）Conveyance device 8；And green tire 3 is carried out
The sulfurizing mould of sulfuration.Move into device 7 and conveyance device 8 to be guided along each track 7a, the 8a for being supported on floor 53.
As shown in Figure 3 and Figure 4, core 2 is provided with：There is the core body of the ring-type in tire face in outer surface 11s
11；Inside insert in the core body 12 of the centre bore 11h of the core body 11；And be configured in the axis direction both sides of core body 11
A pair of sidewalls body 13L, 13U.
Core body 11 be configured to be included in multiple sector 11A of different sizes in tire circumference obtained by segmentation,
11B.In addition, core body 12 is formed as cylindric.The centre bore 11h of core body 11 is inserted in the core body 12.In addition, in core body 12
Outer peripheral face and the inner peripheral surface of sector 11A, 11B be respectively formed with and extend and the dovetail groove that is mutually clamped along axis direction
19a or dovetail 19b.Thus, core body 12 is connected to sector 11A, 11B and only can carry out on axis direction relative shifting
It is dynamic.
In addition, the side fixing assembling in the axis direction of core body 12 has sidewall bodies 13L of a side.Further, in core body 12
The opposite side fixing assembling of axis direction have sidewall bodies 13U of the opposing party.Sidewall bodies 13U of the opposing party are loading and unloading freely
Mode is screwed togather with the internal thread part 14 of the centre bore 12h for being arranged at core body 12.Such a pair of sidewalls body 13L, 13U can be prevented
Core body 12 is moved on axis direction such that it is able to keep being integrated by core body 11 and core body 12.
Further, it is provided with protruding outside towards axis direction in each sidewall bodies 13L, 13U and in their lateral surface
Hold axle portion 15.It is provided with the supporting axle portion 15：The link hole portion 16 recessed with one heart with the outer end of supporting axle portion 15；And edge
The circumferential slot 16A that the inner peripheral surface of the link hole portion 16 extends.Such supporting axle portion 15 is by connection unit 18 with handling
Mode freely links automatically with the clamping section 17 for being arranged at the grade of core support 5.
As shown in Fig. 5 amplifies, clamping section 17 is provided with：Link cylinder portion 21, the link cylinder portion 21 is inserted in link hole portion 16；
With the cylinder chamber 22 of the inner side for being configured in the link cylinder portion 21.Above-mentioned link cylinder portion 21 is with cylinder chamber 22 in core 2（Shown in Fig. 2）Axle
Connect on heart direction.
Connection unit 18 is configured to include：The link hole portion 16 of supporting axle portion 15；The link cylinder portion 21 of clamping section 17；And
Hole portion 16 will be linked and link the ball lock locked between cylinder portion 21（ball lock）Unit 23.The ball lock unit 23
Including：Multiple through holes 24 of insertion inside and outside cylinder portion 21 will be linked；It is held in the ball 25 of each through hole 24；It is accommodated in cylinder chamber
Piston sheet 26 in 22；And the plunger 27 being accommodated in the centre bore 21h for linking cylinder portion 21.By discharging to the supply of cylinder chamber 22
Pressure-air so that piston sheet 26 and plunger 27 are connected to and can integrally moved.In addition, the outer peripheral face of plunger 27 has direction
Be formed as the cone of cusp-shaped on the outside of axis direction（cone）Face.
For such connection unit 18, first, in the link cylinder portion 21 of clamping section 17 supporting axle portion 15 is inserted into
Link hole portion 16 in the state of, make the outside side shifting of plunger 27.Ball 25 is extruded towards outside by the movement of the plunger 27.
Thus, ball 25 is depressed against in the circumferential slot 16A for linking hole portion 16 such that it is able to connect supporting axle portion 15 with clamping section 17
Knot.In addition, connection unit 18 by make plunger 27 inwardly side shifting and will to the extruding of ball 25 release.Thus, by support shaft
Portion 15 releases with the link of clamping section 17.
As shown in figure 4, green tire 3 is configured to include tyre element, the tyre element for example include carcass ply, sidewall rubber with
And tread rubber etc..Formed by being successively pasted on above-mentioned tyre element in order on the outer surface 11s of core 2 with green tire
3 core assembly 4.
As depicted in figs. 1 and 2, measurement apparatus 1 are configured to include：The core support that core assembly 4 is kept
5；And measure the Measurement portion 6 of the distance of outline position up to core assembly 4.Above-mentioned core support 5 and the phase of Measurement portion 6
Neighbour's configuration.
As shown in fig. 6, core support 5 is configured to include：Clamping section 17, the supporting axle portion 15 of core 2 is loading and unloading freely
Mode link with the clamping section 17；Rotary shaft 36, the fixing assembling of clamping section 17 is in one end of the rotary shaft 36；And framework
37, the framework 37 is supported to rotary shaft 36.
Clamping section 17 in the state of its axle center holding level fixing assembling in one end of rotary shaft 36.Thus, core
Bearing portion 5 can keep under the longitudinal state of the axle center holding level of core assembly 4 to core assembly 4.In addition, frame
Frame 37 is configured to include：It is the bearing portion 38 that can be rotated around trunnion axis by the e axle supporting of rotary shaft 36；With make rotary shaft 36 around water
The rotary unit 39 of flat axle rotation.
Rotary unit 39 is configured to include：Rotary shaft 36 lower section fixing assembling in the motor 41 of framework 37；It is fixed
In the downside belt wheel 42 of the motor shaft 41a of motor 41；Fixing assembling is in the upside belt wheel 43 of the other end of rotary shaft 36；And
The band 44 that will connect between downside belt wheel 42 and upside belt wheel 43.Downside belt wheel 42 and upside belt wheel 43 are configured to around water
Flat axle rotation.For such rotary unit 39, forward or reverse is carried out by motor 41, as shown in Fig. 2 being capable of Jing
Core assembly 4 is made around trunnion axis by rotary shaft 36 and clamping section 17（Around the axle center 4c of core assembly 4）Rotated forward
Or reversion.
As shown in fig. 6, the core support 5 of present embodiment sets via the supporting station 46 for being arranged at the lower section of framework 37
Put.The supporting station 46 includes：Horizontally extending substrate 47；Make what core support 5 was flatly moved in the top of substrate 47
Horizontal movement unit 48；And substrate 47 is supported for unit 49 can be rotationally supported around what vertical axises rotated.
Horizontal movement unit 48 includes：In the horizontally extending guide rail 51 of the upper surface of substrate 47；Engage with the guide rail 51
Slide mechanism 52；And make the driver element that core support 5 flatly moves along guide rail 51（Omit diagram）.In addition,
Guide rail 51 spreads all between the two ends of the horizontal direction of substrate 47 and along the axis direction extension of core assembly 4.Further, skate machine
The fixing assembling of structure 52 is in the lower surface of the framework 37 of core support 5.
Such horizontal movement unit 48 can be such that core support 5 moves along axis direction.Thus, support by core
Portion 5 and core assembly 4 can be configured inside and outside supporting station 46 in the horizontal direction.Such horizontal movement unit 48
Such as prevent core assembly 4 to Measurement portion 6, move into device 7 and conveyance device 8 is interfered, and contribute to swimmingly entering
The measurement of row core assembly 4, handing-over.
Rotationally support unit 49 to be configured to include：Fixing assembling is in the base station 54 of floor 53；It is by the e axle supporting of substrate 47
The supporting axle portion 55 that can be rotated around vertical axises；And make substrate 47 rotate motor（Omit diagram）.The supporting axle portion 55
It is configured in the central authorities of substrate 47.For it is such rotationally support unit 49 for, forward or reverse is carried out by motor, can
Core support 5 is set to carry out forward or reverse around vertical axises.Thus, as shown in figure 1, rotationally supporting unit 49 can make core group
Dress body 4 is moving into, measurement position P1 and take out of the spaced winding vertical axises convolution of position P2, wherein, moving into, measurement position P1 is matched somebody with somebody
It is equipped with Measurement portion 6 and moves into device 7, position P2 is taken out of conveyance device 8 is configured with.
As shown in figure 1, Measurement portion 6 relative to be configured in move into, the axle center 4c of the core assembly 4 of measurement position P1 and set
Put side in the horizontal direction.As shown in Fig. 2 and Fig. 7, Measurement portion 6 is configured to include：Measure the wheel up to core assembly 4
The sensor 56 apart from Ls of wide position 4s；With the sensor mobile unit 57 for moving sensor 56.
Sensor 56 is made up of so-called laser type displacement transducer.As shown in fig. 7, the sensor 56 includes：To core
Irradiation portion 56a of the irradiating laser light Ra of assembly 4；Light is carried out to reflected light Rb of laser light Ra from core assembly 4
Light accepting part 56b；And framework 56c, irradiation portion 56a and light accepting part 56b are built in framework 56c.In addition, sensing
The output valve of device 56 is via the cable for being installed on framework 56c（cable）（Omit diagram）And it is transferred to such as control and measure device 1
Computer（Omit diagram）Deng.
The sensor mobile unit 57 of present embodiment is configured to include：The mobile arm that circles round can be carried out around vertical axises
62；With the bracket 63 extended downwards from arm 62.As shown in Fig. 2 the sensor mobile unit 57 by fixing assembling in floor
53 base station 61 is supported.Base station 61 includes：Along the horizontally extending substrate 61a of floor 53；From the upper surface court of substrate 61a
The multiple vertical frame 61b that top extends；And by the upper end of vertical frame 61b horizontally connected with horizontal frame 61c.
Arm 62 is made up of horizontally extending plate body.In the figure 7, in the arm 62 and in towards core assembly 4
Side is provided with the vertical axises 64 for extending upward.In addition, the arm 62 of present embodiment is supported on by arm support 65
Base station 61, wherein, the e axle supporting of vertical axises 64 is to rotate by arm support 65.
Arm support 65 is configured to include：In the support plate 66 that extends of upper horizontal ground of the horizontal frame 61c of base station 61；Hanging down
Nogata is upwards by the hole portion 67 of the insertion of support plate 66；Fixing assembling is in the cylinder portion 68 of the upper surface of support plate 66；And fixed dress
It is assigned in the bearing 69 of the lower surface of support plate 66.
As shown in figure 8, in top view, support plate 66 is shaped generally as growing crosswise rectangular-shaped.In addition, as shown in fig. 7, propping up
Board 66 is configured to it and projects from base station 61 in the horizontal direction towards a side of the side of core assembly 4.Further, support plate 66
Another side be supported on the horizontal frame 61c of base station 61.Thus, support plate 66 is supported on base station 61 with cantilever-shaped.
Hole portion 67, cylinder portion 68 and bearing 69 are arranged on a side of support plate 66.Vertical axises 64 through above-mentioned hole portion 67,
The hole in cylinder portion 68 and the hole of bearing 69.Thus, as shown in figure 8, in the side towards the side of core assembly 4, arm support
The e axle supporting of vertical axises 64 can be can to rotate around vertical axises by 65.By the rotation of the vertical axises 64, arm 62 can be with vertical
Centered on axle 64 and around vertical axises convolution.
As shown in Figure 7 and Figure 8, the sensor mobile unit 57 of present embodiment is provided with the arm for rotating arm 62 and drives list
Unit 71.The arm driver element 71 is configured to include：Fixing assembling is in the motor 72 of support plate 66；Fixing assembling is in motor 72
Motor shaft 72a another side belt wheel 73；Fixing assembling is in a side belt wheel 74 of the upper end of vertical axises 64；And will be another
The band 75 that 73 and one side belt wheel of side belt wheel 74 links.
For such arm driver element 71, forward or reverse is carried out by motor 72, in the vertical view shown in Fig. 8
In figure, arm 62 can be made to carry out forward or reverse.In addition, the diameter of a side belt wheel 74 is set greater than the diameter in a portion 68.
Thus, a side belt wheel 74 can be configured to the structure for preventing vertical axises 64 from coming off.
As shown in fig. 7, bracket 63 is configured to include：From the sagging dip portion 77 of the following table faced downwards of arm 62；And will
The linking part 78 that dip portion 77 links with sensor 56.
In the figure 7, the edge 77s in the side towards core assembly 4 of dip portion 77 is formed with rake 79, and this inclines
Inclined portion 79 is inclined downward and to opposite side from arm 62.The side of arm 62 of dip portion 77 is maintained by such rake 79
Intensity, and contribute to preventing from being interfered with core assembly 4.In addition, when observing from side, linking part 78 is formed as big
Cause the tabular of rectangle.The fixing assembling of linking part 78 is between the lower end side and the upper end side of sensor 56 of dip portion 77.Thus, such as
Shown in Fig. 8, sensor mobile unit 57 can be such that sensor 56 returns in the horizontal plane by arm 62 around the convolution of vertical axises
Rotation.
As shown in figure 9, the linking part 78 of present embodiment keeps to sensor 56, so that laser light Ra being capable of direction
The axle center 64c of vertical axises 64 flatly irradiates.Thus, by arm 62（Shown in Fig. 8）Around the convolution of vertical axises, in top view
When, sensor mobile unit 57 can in the radiation direction centered on the axle center 64c of vertical axises 64 irradiating laser light Ra.Enter
And, as shown in Fig. 2 linking part 78 keeps to sensor 56, so that laser light Ra irradiates the outer of longitudinal core assembly 4
The outline position 59 that side face intersects with the horizontal plane 58 of the axle center 4c through the core assembly 4.Thus, as shown in figure 9,
By arm 62（Shown in Fig. 8）Convolution, sensor 56 can make laser light Ra illumination profile position 59 successively in order.
As shown in Figure 10, measurement apparatus 1 can correctly measure outline position 59, include axle center 4c（Shown in Fig. 2）'s
Contour shape of the core assembly 4 in meridional cross sectional（Shown in Fig. 9）.In addition, as shown in Fig. 2 sensor mobile unit 57
Sensor 56 need not be made to move along the vertical direction.Therefore, measurement apparatus 1 of the invention for example make sensor 56 return around trunnion axis
Rotation, the torque needed for so as to rotation compared with the device for making sensor 56 move along the vertical direction, can be reduced.Therefore, this reality
The mode of applying is simplified can the construction of measurement apparatus 1.
In addition, in the present embodiment, as shown in Fig. 2 using the rotary unit 39 of core support 5（Shown in Fig. 6）Energy
Core assembly 4 is enough set to rotate around trunnion axis.Thus, measurement apparatus 1 can be in the optional position in the circumference of core assembly 4
Measure the contour shape of the core assembly 4.
Vertical axises 64 are preferably configured in the core upper area U of gained after longitudinal core assembly 4 is projected upward.
Thus, as shown in figure 9, sensor mobile unit 57 irradiates sharp with can spreading all over the broad range radially of core assembly 4
Light light Ra.In addition, in top view, vertical axises 64 are preferably configured to the equator C through core assembly 4.Thus, sensor
Mobile unit 57 can make outline position 4s of laser light Ra irradiation core assembly 4 with equator C as axis of symmetry, so as to help
In the appearance for preventing measurement error.
Further, vertical axises 64 are preferably configured in the horizontal plane the axis direction between a pair of bead portion 3a, 3b of green tire 3
Central part.Thus, sensor mobile unit 57 can make laser light Ra reliably irradiate outline position 4s of bead part 3a, 3b,
So as to correctly measure the profile position including the green tire 3 including bead part 3a, 3b, sidewall 3c, 3d and fetus face 3e
Put 59 whole region.
In addition, as shown in figure 11, the sensor mobile unit 57 of present embodiment includes horizontal movement unit 81, the level
Mobile unit 81 makes vertical axises 64 in the horizontal direction and in the axle center 4c with core assembly 4（Shown in Fig. 1）Orthogonal direction
On relative to core assembly be close to or separate.
The horizontal movement unit 81 of present embodiment is configured to include：Along the guide rail 82 that the horizontal frame 61c of base station 61 extends；
The slide mechanism 83 engaged with the guide rail 82；Motor 84；Fixing assembling is in the thread spindle 85 of the motor shaft 84a of motor 84；
And the ball nut screwed togather with thread spindle 85（ball nut）86.Guide rail 82 horizontal frame 61c upper surface and with core group
The axle center 4c of dress body 4（Shown in Fig. 1）It is horizontally extending on orthogonal direction.In addition, slide mechanism 83 is configured in arm support 65
Support plate 66 lower surface.
For such horizontal movement unit 81, forward or reverse is carried out by motor 84, support can arm
The support plate 66 in portion 65 is relative to core assembly 4（Shown in Fig. 2）It is close to or separates.By the support plate 66 be close to or point
From so that vertical axises 64 are close to relative to core assembly 4 or separate.Therefore, as shown in figure 9, different even for size
Core assembly 4, horizontal movement unit 81 also can make vertical axises 64 be securely positioned in green tire 3 a pair of bead portion 3a, 3b it
Between.
Next, to being illustrated using the inspection method of measurement apparatus as described above 1.
As shown in figure 1, in the inspection method of present embodiment, operation S1 is implemented first, in operation S1, continuous
The contour shape of core assembly 4 is measured on production line M using measurement apparatus 1.
In operation S1 of present embodiment, first, core assembly 4 is held in the operation of core support 5 for enforcement
S11.In operation S11, first, using move into device 7 core assembly 4 is moved into moving into, measurement position P1.Connect down
Come, core support 5 is configured at move into, measurement position P1.Next, by the clamping section 17 of core support 5 and core group
The supporting axle portion 15 of dress body 4 links.Then, by the clamping section 17 for moving into device 7 and the company of the supporting axle portion 15 of core assembly 4
Knot is released.Thus, core support 5 can moving into, measurement position P1 keeps to core assembly 4.In addition, core group
Dress body 4 is held in core support 5 with longitudinal state.
As shown in Fig. 2 the vertical axises 64 for entering to exercise arm 62 are located at operation S12 of core upper area U.In operation S12
In, make the close core assembly 4 of vertical axises 64 of arm 62 using the horizontal movement unit 81 of the Measurement portion 6 shown in Figure 11（Fig. 2
It is shown）Side.Thereby, it is possible to vertical axises 64 are configured at into core upper area U.Further, in the present embodiment, as shown in figure 9,
Make axis direction central part of the vertical axises 64 in the horizontal plane between a pair of bead portion 3a, 3b of green tire 3.In addition, to hanging down
D-axis 64 carries out para-position so that the vertical axises 64 in top view through the equator C of core assembly 4.As shown in fig. 6, sharp
Such para-position is carried out with the horizontal movement unit 48 of core support 5.
Next, as shown in figure 9, enforcement operation S13, in operation S13, makes the laser light Ra irradiation type of sensor 56
The horizontal plane 58 of the outer peripheral face of core assembly 4 and the axle center 4c through the core assembly 4（Shown in Fig. 2）The profile for intersecting
Position 59.In operation S13, the optional position of laser light Ra illumination profile position 59 is made first.Next, such as Fig. 8 and Fig. 9
It is shown, sensor 56 is made in bead part 3a of a side and the spaced winding vertical axises convolution of bead part 3b of the opposing party.
Thus, the outline position 59 that sensor 56 can spread all between bead part 3a, 3b whole region ground in order according to
Secondary irradiating laser light Ra.By such laser light Ra of irradiation, as shown in Figure 10, sensor 56 can be in multiple measurement points Sa
（i）（In the present embodiment, i=1～71）Measurement outline position 59.In addition, though can be appropriate according to tire size etc.
Ground setting measurement point Sa（i）Number, but be preferably such as 50～100 or so.If in addition, measurement point Sa（i）Number
Less than 50, then it is difficult to keep certainty of measurement.If conversely, measurement point Sa（i）Number more than 100, it is likely that can increase
The calculating time.
Next, implementation evaluation operation S2, in evaluation operation S2, by the contour shape for comparing core assembly 4
（Shown in Figure 12）With metewand data D（Shown in Figure 13）And evaluate the shaped state of core assembly 4.
Metewand data D are used to specify the good core assembly of the shaped state of green tire 3（Hereinafter, sometimes referred to simply as
" good core assembly "）4 contour shape.According to being be evaluated as in the core assembly 4 for measuring contour shape in advance
Green tire 3 vulcanize after the good core assembly 4 of shaped state contour shape and obtain above-mentioned such metewand data
D.In addition, metewand data D are preferably the number that the contour shape to multiple core assemblies 4 carries out average computation and obtains
According to.Thereby, it is possible to reduce the deviation between multiple contour shapes.
In evaluation operation S2 of present embodiment, operation S21 is implemented first, in operation S21, as shown in figure 12,
Based on the contour shape and previously known core 2 of core assembly 4 contour shape difference calculating the thickness in each portion of green tire 3
We（i）.In operation S21, measurement point Sa of the contour shape away from core assembly 4 is calculated（i）Distance and away from the survey
Amount point Sa（i）Measurement point Sb of the contour shape of corresponding core 2（i）Distance difference.Thereby, it is possible to obtain core assembly
4 in measurement point Sa（i）The thickness We of the green tire 3 at place（i）.Such thickness We（i）Contribute to correctly holding each portion of green tire 3
Rubber mass.
Although it is preferred that with whole measurement points Sa（i）The thickness We for obtaining green tire 3 is calculated for object（i）, but for example
Can only with arbitrary measurement point Sa（i）Thickness We is obtained for object（i）.Furthermore it is possible to according to operation S1 order and borrow
Help the contour shape of measurement core 2 in advance and obtain the contour shape of core 2.
Next, as shown in figure 13, operation S22 is implemented, in operation S22, based on metewand data D and core 2
Contour shape difference and to the green tire of good core assembly 4A（Hereinafter, sometimes referred to simply as " good green tire "）3A's is each
The thickness Ws in portion（i）Calculated.Operation S22 is identical with operation S21, to away from metewand data D（Good core assembling
The contour shape of body 4A）Measurement point Sa（i）Distance and away from measurement point Sa（i）The contour shape of corresponding core 2
Measurement point Sb（i）The difference of distance calculated.
Next, implementing operation S23, the thickness We in operation S23, based on each portion of green tire 3 shown in Figure 12（i）、
With the thickness Ws in the good each portions of green tire 3A shown in Figure 13（i）Difference（We（i）-Ws（i））And obtain standard deviation.At this
In operation S23, first, for each measurement point Sa（i）And green tire 3 is obtained in measurement point Sa（i）The thickness We at place（i）With and survey
Amount point Sa（i）The thickness Ws of corresponding good green tire（i）Difference（We（i）-Ws（i））.Next, by poor to each（We
（i）-Ws（i））Carry out square, and these square values are carried out average and obtain difference（We（i）-Ws（i））Variances sigma2.Further,
By obtaining variances sigma2Square root and difference can be obtained（We（i）-Ws（i））Standard deviation.
Next, implement operation S24, in operation S24, poor（We（i）-Ws（i））± the 2 of not enough standard deviation
In the case of times, the shaped state of core assembly 4 is judged as well.In operation S24, the thickness We of green tire 3 is judged
（i）In each measurement point Sa（i）± 2 times of standard deviation that whether place is not enough.
When green tire 3 is in measurement point Sa（i）Thickness We（i）For more than ± 2 times of standard deviation when, can interpolate that for
Green tire 3 is in measurement point Sa（i）There is larger difference between the contour shape of the contour shape at place and good green tire.Cause
This, can be evaluated as the shaped state of green tire 3 bad.In this case, due to core assembly 4 has in vulcanization process can
Cob webbing can be produced, therefore the core assembly 4 is discarded.
On the other hand, when in whole measurement points Sa（i）The thickness We at place（i）When ± 2 times of equal deficiency standard deviation,
There is no larger difference between the contour shape of the contour shape of green tire 3 and good green tire.Therefore, in operation S24,
The shaped state of core assembly 4 is evaluated as well.In the present embodiment, the shaped state in core assembly 4 is judged to
Break as in the case of good, as shown in Fig. 2 by the rotary unit 39 of core support 5（Shown in Fig. 6）And make core assembly
4 rotate in the circumferential, thus carry out each operation S21～S24.Thereby, it is possible to multiple contour shapes for being directed in tire circumference and
Evaluate the shaped state of core assembly 4.
Also, the shaped state of core assembly 4 is being judged as good for the multiple contour shapes in tire circumference
In the case of good, as shown in figure 1, implementing operation S25, in operation S25, using unit 49 is rotationally supported core group is changed
The direction of dress body 4 so that its from moving into, measurement position P1 is towards taking out of position P2.Next, entering to be about to the folder of conveyance device 8
Operation S26 that tight portion 17 links with the supporting axle portion 15 of core assembly 4.Further, enter to be about to the clamping section 17 of core support 5
Operation S27 released with the link of the supporting axle portion 15 of core assembly 4.Thus, conveyance device 8 can be to core assembly 4
Kept.After this, enter to be about to core assembly 4 towards sulfurizing mould（Omit diagram）What is taken out of takes out of operation S28.
So, due to the shaped state that can correctly evaluate green tire 3 in the inspection method of present embodiment, therefore energy
Enough only good to shaped state green tires 3 carry out vulcanization forming.Therefore, the inspection method of present embodiment contributes to effectively preventing
Only breakage of the cob webbing of tire, sulfurizing mould etc..Further, since can be to core using the inspection method of present embodiment
The shaped state of assembly 4 is quantitatively evaluated, therefore for example can be by computer（Omit diagram）And commented automatically
Valency.
Also, in the inspection method of present embodiment, carry out supplying shown in Figure 14 the tinuous production M shown in Fig. 1
Master mold 88 operation S3.
Master mold 88 includes：The main part 88A of ring-type；With the support shaft of the axis direction both sides for being configured in main part 88A
Portion 88B.With core 2（Shown in Fig. 3）Identical, aforementioned body portion 88A has rigidity with supporting axle portion 88B.
The main part 88A of present embodiment, has and core assembly 4 in its outer surface 89（Shown in Fig. 4）Approximate wheel
Profile shape.For example include in the outer surface 89：The tire approximate with the outer surface of bead part 3a, 3b of the green tire 3 of core assembly 4
Circle surface 89a, 89b；Sidewall surface 89c, 89d approximate with the outer surface of sidewall 3c, 3d；And the appearance with fetus face 3e
Approximate tread surface 89e in face.In addition, the main part 88A of present embodiment is different from the core body 11 shown in Fig. 3, in wheel
It is not divided in tire circumference.Thus, the outer surface 89 in main part 88A does not for example form sector adjacent in tire circumference
Groove 11d between 11A, 11B（Shown in Fig. 3）.
In addition, as shown in figure 15, the contour shape 88k of main part 88A is preset.Contour shape 88k is stored in
The computer of control and measure device 1（Omit diagram）Deng.Further, since main part 88A has rigidity, therefore, it is possible to prevent profile
Shape 88k changes.
As shown in figure 14, the axis direction both sides protrusion that axle portion 88B is arranged towards main part 88A is supported.With shown in Fig. 3
Core 2 it is identical, be provided with supporting axle portion 88B：Link hole portion 92, the link hole portion 92 is outer with supporting axle portion 88B
End is recessed with one heart；The circumferential slot 92A extended with the inner peripheral surface along the link hole portion 92.Such supporting axle portion 88B Jing
By connection unit 18 by loading and unloading freely with the clamping section 17 for being arranged at the grade of core support 5（Shown in Fig. 3）Automatically connect
Knot.Therefore, it is identical with core assembly 4, master mold 88 on the tinuous production M shown in Fig. 1 by core support 5, move into
Device 7 and conveyance device 8 etc. hold.
As shown in figure 1, in operation S3 of present embodiment, in green tire forming device（Omit diagram）With measurement apparatus 1
Between track 7a on, make to move into device 7 and hold master mold 88（Shown in Figure 14）.Thus, it is identical with core assembly 4, main mould
Tool 88 be moved to device 7 towards moving into, the guiding of measurement position P1.
Next, implementing master mold measurement operation S4 measured to the contour shape of master mold 88.In the master mold
In measurement operation S4, Measurement portion 6 is measured according to the order same with operation S1 to the contour shape of master mold 88.By
This, as shown in figure 15, Measurement portion 6 can be measured including axle center 88d（Shown in Figure 14）Master mold 88 on meridional cross sectional
Contour shape 88v.Further, since the master mold 88 of present embodiment has the contour shape approximate with core assembly 4, therefore
Its contour shape can easily be measured.
Next, implement calculation process S5, in calculation process S5, according to what is obtained in measuring operation S4 in master mold
The difference of the contour shape 88v of master mold 88 and the known contour shape 88k of master mold 88 and obtain measurement apparatus 1 measurement miss
Difference.According in the equator 88c positioned at master mold 88（Shown in Figure 14）Measurement point Sa（36）Contour shape 88v obtained by place's measurement
With separating distance L1s of the known contour shape 88k on axis direction, the separating distance L2 radially of master mold 88 and
With the vertical axises 64 of arm 62（Shown in Fig. 9）Centered on horizontal plane on deflecting angle θ, obtain the measurement error of present embodiment.
The contour shape 88v obtained by measurement can be obtained using above-mentioned separating distance L1, L2 and deflecting angle θ relative to known wheel
The magnitude of misalignment of profile shape 88k.
In measurement error calculation process S5, when measurement apparatus 1 do not have measurement error, can interpolate that to maintain survey
The certainty of measurement of amount device 1.Therefore, it is possible to continue to evaluate the core group supplied after master mold 88 using measurement apparatus 1
The shaped state of dress body 4.
On the other hand, in measurement error calculation process S5, when measurement apparatus 1 have measurement error when, can interpolate that for
The certainty of measurement of measurement apparatus 1 is not kept.Therefore, implement metewand data D are modified based on measurement error
Amendment operation S6.In amendment operation S6 of present embodiment, as shown in figure 16, based on separating distance L1, L2 and deflecting angle θ
And make each measurement point Sa of metewand data D（i）It is mobile.Thus, in amendment operation S6, can be asked based on measurement error
Go out amendment metewand data Dr revised to metewand data D.Further, in the present embodiment, to shown in Figure 13
The contour shape of core 2 is also carried out same amendment.In addition, using computer（Omit diagram）And automatically carry out such repairing
Just.
So, in the inspection method of present embodiment, can be according to the measurement error of measurement apparatus 1 easily to commenting
Valency benchmark data D is modified.Therefore, in the inspection method of present embodiment, can be using measurement apparatus 1 in main mould
The shaped state of the core assembly 4 supplied after tool 88 is correctly evaluated.Also, in the reviewing party of present embodiment
In method, due to being that the contour shape of master mold 88 is measured under the situation for stopping tinuous production M, therefore wheel will not be also made
The productivity ratio of tire is reduced.
Additionally, it is preferred that the moment supply that measurement error occurs in measurement apparatus 1 is put into master mold 88.In present embodiment
In, preferably 1 time/1 day～1 time/7 days or so.If in addition, being repeatedly put into master mold 88 in 1 day, it is likely that make tire
Productivity ratio is reduced.If conversely, be less than 1 time/7 days being put into master mold 88, it is likely that cannot fully keep certainty of measurement.
Further, in the case where measurement apparatus 1 have measurement error, preferably carry out being carried out to correcting metewand data Dr
The more new process S7 for updating.In the more new process S7 of present embodiment, according to said sequence identical order, and according to by
The shaped state being be evaluated as after the sulfuration of green tire 3 in core assembly 4 measured by measurement apparatus 1 with error is good
Core assembly 4 contour shape to obtain the renewal shown in Figure 17 after metewand data Dn.So, work is being updated
In sequence S7, due to amendment metewand data Dr being updated to for the current measurement apparatus 1 with error to be set to positive evaluation
Benchmark data Dn, therefore, it is possible to improve the evaluation precision of core assembly 4.In addition, in more new process S7, preferred pair Figure 13 institute
The contour shape of the core 2 for showing is also carried out same renewal.
In addition, by the contour shape to multiple core assemblies 4 carry out it is average and after renewal that obtain present embodiment
Metewand data Dn.Therefore, after amendment operation S6, the contour shape of regulation number cannot be obtained sometimes.So
In the case of, due to cannot immediately implement more new process S7, therefore till the contour shape for being obtained in that regulation number
During, the shaped state of core assembly 4 is evaluated using amendment metewand data Dr.
After the contour shape for measuring master mold 88, according to the order same with operation S25～S27, enter enforcement and remove
Go out device 8（Shown in Fig. 1）Keep operation S8 of master mold 88.Then, carry out in measurement apparatus 1 and sulfurizing mould（Omit diagram）
Between track 8a on from conveyance device 8 reclaim master mold 88 operation S9.
In the inspection method of present embodiment, although show to be corrected based on measurement error in amendment operation S6 and comment
The mode of valency benchmark data D, but it is not limited to such mode.In amendment operation S6 for example preferably, such as Figure 18
It is shown, output valve V of sensor 56 can be modified.In the present embodiment, can based on separating distance L1, L2 and
Deflecting angle θ carrys out each measurement point Sa of output valve V of transformative transducer 56（i）, thus, it is possible to obtain revised output valve Vr.By
This, being modified without the need for the contour shape to metewand data D shown in Figure 13, core 2 just can be using measurement apparatus 1
Correctly evaluate the shaped state of core assembly 4.In addition, in computer（Omit diagram）In automatically to the defeated of sensor 56
Go out value V and enter line translation.
In addition, in this embodiment, it is also preferred that implementing the more new process S7 being updated to metewand data D.Profit
It is be evaluated as with the shaped state after the sulfuration of the green tire 3 in the core assembly 4 that gained is measured by revised sensor 56
The contour shape of good core assembly 4 is being updated metewand data D.So, in more new process S7, due to commenting
Valency benchmark data D is updated to metewand data Dn based on the measurement result of revised sensor 56（Shown in Figure 17）,
Therefore, it is possible to improve the evaluation precision of core assembly 4.In addition, the core 2 in this more new process S7, shown in preferred pair Figure 13
Contour shape be also carried out same renewal.
In addition, after amendment operation S6 just terminates, not existing and measuring wheel profile by revised sensor 56
The core assembly 4 of shape.Therefore, during till the contour shape for obtaining regulation number, using the evaluation before renewal
Benchmark data D is evaluating the shaped state of core assembly 4.
Although having been described in detail to the particularly preferred embodiment of the present invention above, the present invention is not limited to what is illustrated
Embodiment, can be deformed into various modes to implement.
Claims (5)
1. a kind of inspection method of core assembly, by the inspection method of the core assembly measurement dress can be correctly obtained
The measurement error put, the inspection method of the core assembly includes following operation：
The operation of the contour shape of core assembly is measured using measurement apparatus on the tinuous production of tire, wherein, it is described
Core assembly is formed with green tire in the outer surface with rigid core；And
Operation is evaluated, is compared by the contour shape to the core assembly and metewand data and is evaluated the type
The shaped state of core assembly, wherein, the good core group of the shaped state that the metewand data define the green tire
The contour shape of dress body,
The inspection method of the core assembly is characterised by,
Also include following operation：
The operation of master mold is supplied to the tinuous production, the master mold has the profile approximate with the core assembly
Shape and the contour shape are known contour shape；
Master mold measures operation, measures the contour shape of the master mold；And
Measurement error calculation process, the contour shape and institute according to the master mold obtained in measuring operation in the master mold
The difference of the known contour shape of master mold is stated, the measurement error of the measurement apparatus is obtained.
2. the inspection method of core assembly according to claim 1, it is characterised in that
The measurement apparatus have the sensor that the contour shape to the core assembly is measured,
The inspection method of the core assembly also includes amendment operation, has the feelings of the measurement error in the measurement apparatus
Under condition, the metewand data are corrected based on the measurement error or the biography is corrected based on the measurement error
The output valve of sensor.
3. the inspection method of core assembly according to claim 1 and 2, it is characterised in that
The evaluation operation includes taking out of operation, takes out of in operation at this, only shaped state is judged as into the good type
Core assembly to the sulfurizing mould that the green tire is vulcanized towards taking out of.
4. the inspection method of core assembly according to claim 3, it is characterised in that
Including more new process, in this more new process, when the measurement apparatus have the measurement error, to the evaluation base
Quasi- data are updated,
It is be evaluated as based on the shaped state after the sulfuration in the core assembly for measuring contour shape in advance good
The contour shape of core assembly is calculating the metewand data.
5. the inspection method of core assembly according to claim 4, it is characterised in that
Carry out average by the contour shape to multiple core assemblies and calculate and obtain the metewand data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-220605 | 2012-10-02 | ||
| JP2012220605A JP5973863B2 (en) | 2012-10-02 | 2012-10-02 | Inspection method for core assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103707535A CN103707535A (en) | 2014-04-09 |
| CN103707535B true CN103707535B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310431819.9A Active CN103707535B (en) | 2012-10-02 | 2013-09-22 | Detection method for model core assembly |
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| Country | Link |
|---|---|
| JP (1) | JP5973863B2 (en) |
| CN (1) | CN103707535B (en) |
Families Citing this family (2)
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|---|---|---|---|---|
| JP7119792B2 (en) * | 2018-09-03 | 2022-08-17 | 横浜ゴム株式会社 | Method and apparatus for measuring shape of tire compact, and method for manufacturing tire |
| JP7283013B2 (en) * | 2019-09-02 | 2023-05-30 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | tire molding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11254906A (en) * | 1997-12-30 | 1999-09-21 | Pirelli Pneumatici Spa | Tire for wheel of vehicle |
| WO2007000909A1 (en) * | 2005-06-28 | 2007-01-04 | Bridgestone Corporation | Method for forming master data for inspecting protruding and recessed figure |
| JP2010101721A (en) * | 2008-10-23 | 2010-05-06 | Bridgestone Corp | Method and apparatus for inspecting tire structure member on molding drum |
| CN102122158A (en) * | 2010-01-07 | 2011-07-13 | 住友橡胶工业株式会社 | Monitoring system for crude tyre manufacturing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07172122A (en) * | 1993-12-22 | 1995-07-11 | Bridgestone Corp | Raw tire shape judging method and device |
| JP3949796B2 (en) * | 1997-11-06 | 2007-07-25 | 株式会社ブリヂストン | Tire shape determination device |
| JP2004150894A (en) * | 2002-10-29 | 2004-05-27 | Sumitomo Rubber Ind Ltd | Method of keeping precision for tire testing machine, and method of measuring product performance of tire |
| JP2004354259A (en) * | 2003-05-29 | 2004-12-16 | Toyo Tire & Rubber Co Ltd | Method for inspecting contour shape of rubber material on tire molding drum |
| JP4532368B2 (en) * | 2005-07-28 | 2010-08-25 | 東洋ゴム工業株式会社 | Method and apparatus for inspecting pneumatic tire during production |
| JP5204575B2 (en) * | 2008-07-29 | 2013-06-05 | 川崎重工業株式会社 | Position measuring method and position measuring apparatus |
| JP6204648B2 (en) * | 2012-10-02 | 2017-09-27 | 住友ゴム工業株式会社 | Apparatus for measuring contour shape of core assembly, and method for inspecting green tire using the same |
-
2012
- 2012-10-02 JP JP2012220605A patent/JP5973863B2/en not_active Expired - Fee Related
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2013
- 2013-09-22 CN CN201310431819.9A patent/CN103707535B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11254906A (en) * | 1997-12-30 | 1999-09-21 | Pirelli Pneumatici Spa | Tire for wheel of vehicle |
| WO2007000909A1 (en) * | 2005-06-28 | 2007-01-04 | Bridgestone Corporation | Method for forming master data for inspecting protruding and recessed figure |
| JP2010101721A (en) * | 2008-10-23 | 2010-05-06 | Bridgestone Corp | Method and apparatus for inspecting tire structure member on molding drum |
| CN102122158A (en) * | 2010-01-07 | 2011-07-13 | 住友橡胶工业株式会社 | Monitoring system for crude tyre manufacturing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014073584A (en) | 2014-04-24 |
| CN103707535A (en) | 2014-04-09 |
| JP5973863B2 (en) | 2016-08-23 |
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