JP2006143078A - Uniformity apparatus and uniformity inspection line - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce an equipment occupying area by connecting a uniformity apparatus to a carry-in conveyor and a carry-out conveyor. <P>SOLUTION: In this uniformity apparatus, a take-in device 6 includes: a take-in conveyer 8 to which the carry-in conveyer 3 for conveying tires in the direction orthogonal to the tire supply direction of the take-in device 6 can be connected and which can convey the tires in the same direction as the carry-in conveyer 3; and a carry-in traverser 9 for holding the tires on the take-in conveyer 8 to transfer the same to the uniformity apparatus body 5. The take-out device 7 includes: a take-out conveyer 10 to which the carry-out conveyer 4 for conveying the tires in the direction orthogonal to the tire carry-out direction of the take-out device 7 can be connected and which can convey the tires in the same direction as the carry-out conveyer 4; and a carry-out traverser 11 for holding the tires from the uniformity apparatus body 5 to transfer the same to the carry-out traverser 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a uniformity apparatus and a uniformity inspection line.

As a uniformity device, a device described in Patent Document 1 (Japanese Patent Publication No. 5-301096) is known.
This conventional device has a take-in device for supplying tires to the uniformity device main body and a take-out device for taking out tires from the main body on both the left and right sides of the uniformity device main body, and a carry-in conveyor is connected to the take-in device. The carry-out conveyor is connected to the take-out device, and the carry-in conveyor, the take-in device, the main body, the take-out device, and the carry-out conveyor are arranged in a straight line.
On the other hand, as a uniformity inspection line in which a plurality of uniformity devices are arranged, the one described in Patent Document 2 (Japanese Patent Laid-Open No. 2004-130628) is known.

In this prior art, a tire carry-in conveyor and a carry-out conveyor are arranged in parallel to each other, and a plurality of uniformity devices are arranged in parallel to the conveyor between the two conveyors.
Japanese Patent Publication No. 5-301096 JP 2004-130628 A

When the uniformity apparatus described in Patent Document 1 is used for the inspection line described in Patent Document 2, the line arrangement as shown in FIG.
That is, in the carry-in conveyor, it is necessary to provide a turntable at a position corresponding to the uniformity device, and to change the conveyance direction of the tire conveyed by the carry-in conveyor by the turntable to the direction of the take-in device. Similarly, in the carry-out conveyor, it is necessary to provide a turntable to change the tire conveyance direction.
The arrangement shown in FIG. 14 has a problem that a large facility-occupied area is required.

  Therefore, an object of the present invention is to reduce the area occupied by the equipment.

  In order to achieve the above object, the present invention has taken the following measures. That is, the present invention relates to a uniformity apparatus main body having a take-in device that supplies tires to the uniformity apparatus main body and a take-out device that carries tires out of the uniformity apparatus main body on the left and right sides of the uniformity apparatus main body. Is capable of connecting a carry-in conveyor that conveys tires in a direction orthogonal to the tire supply direction of the take-in device, and is capable of carrying tires in the same direction as the carry-in conveyor, and on the take-in conveyor A take-in traverser that grips the tire and transfers it to the uniformity device body, and the take-out device enables connection of a carry-out conveyor that conveys the tire in a direction perpendicular to the tire take-out direction of the take-out device. From the take-out conveyor that enables the tire to be conveyed in the same direction as the carry-out conveyor, and the uniformity device main body Gripping the tire in that it has a carry-out traverser for transferring the extraction conveyor.

According to the present invention, the uniformity apparatus can be connected to a carry-in conveyor or a carry-out conveyor as shown in FIG. 13, so that the area occupied by the facility can be reduced as compared with the conventional one shown in FIG.
The tire is conveyed from the carry-in conveyor toward the take-in conveyor in a state in which the rotation central axis is directed in the same direction as the central axis of the rim provided in the uniformity apparatus body, and the carry-in traverser is conveyed It is preferable that the tire is taken out from the take-in conveyor without changing the direction of the central axis of the tire, and transferred to the rim of the uniformity apparatus body.

According to this, when the tire moves, the direction of the center axis of the tire is not shifted from the center axis of the rim. Therefore, the tire taken out from the take-in conveyor is simply moved linearly. Can be transferred to the rim of the uniformity device main body, and the transfer of the tire can be performed easily.
The carry-out traverser preferably takes out the tire from the uniformity apparatus main body and transfers it to the take-out conveyor while maintaining the posture of the tire after completion of the measurement.
According to this, since the posture of the tire after measurement does not change, for example, when marking the measurement result on the side surface of the tire or the like on the carry-out transfer device side based on the measurement result, the measurement result is marked at an accurate position. It becomes possible to do.

The carrying-in traverser and the carrying-out traverser include a gripping means for gripping the tire by pressing a plurality of locations on the outer peripheral surface of the tire with a pressing member, a lifting means capable of floating the tire gripped by the gripping means, and the lifting means It is preferable to have slide means for laterally feeding the tire floated in
Another aspect of the present invention is a uniformity inspection line in which a plurality of the uniformity devices are arranged, wherein the intake conveyors of the uniformity devices are linearly connected to each other by a carry-in conveyor, and the take-out conveyors of the uniformity devices are connected to each other. Are connected to each other by a carry-out conveyor.

According to the present invention, since the uniformity apparatus can be arranged as shown in FIG. 13, the width of the uniformity inspection line can be reduced as compared with the conventional one shown in FIG. .
In another aspect of the present invention, a tire carry-in conveyor and a carry-out conveyor are arranged in parallel to each other, and a plurality of uniformity devices are arranged in parallel between the two conveyors. A carry-in traverser that grips the supplied tire and supplies it to the uniformity device is provided on the carry-in conveyor, and a carry-out traverser that holds the tire of the uniformity device body and carries it out to the carry-out conveyor is provided on the carry-out conveyor. There is in point.

According to the present invention, since the uniformity apparatus can be arranged as shown in FIG. 12, the width of the uniformity inspection line can be reduced as compared with the conventional one shown in FIG. .
In the uniformity inspection line, the tire is transported in a state where its rotation center axis is directed in the same direction as the center axis of the rim provided in the uniformity device, and the carry-in traverser is the center of the tire being transported It is preferable to remove the tire from the carry-in conveyor without changing the direction of the shaft and transfer it to the rim of the uniformity device.

In the uniformity inspection line, it is preferable that the carry-out traverser removes the tire from the uniformity device and transfers it to a carry-out conveyor while maintaining the posture of the tire after completion of measurement.
In the uniformity inspection line, the carry-in traverser and the carry-out traverser include a gripping unit that grips the tire by pressing a plurality of locations on the outer peripheral surface of the tire with a pressing member, and a lifting unit that can float the tire gripped by the gripping unit And a slide means for laterally feeding the tire floated by the elevating means.

In the uniformity inspection line, a marking device is provided on the most upstream side of the tire loading to provide a bead bribrator for applying a silicicant to the beat portion of the tire, and marking the uniformity measurement test result on the tire on the most downstream side of the tire unloading. Is preferably provided.
According to this, it is not necessary to provide a bead bribrator and a marking device in each uniformity device body, and the bead bribrator and the marking device can be shared with respect to a plurality of uniformity device bodies, so that the cost of equipment can be reduced. it can.

  The area occupied by equipment can be reduced.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 8 show a uniformity apparatus according to the present invention, and FIGS. 1 and 13 show a uniformity inspection line in which a plurality of uniformity apparatuses are arranged.
As shown in FIGS. 1 and 13, the uniformity inspection line 1 includes a plurality of uniformity devices 2, a carry-in conveyor 3 arranged on one side of each uniformity device 2, and the other side of each uniformity device 2 in the left-right direction. And an unloading conveyor 4 arranged.
In the following description, for the sake of convenience of explanation, the right hand side and the left hand side when viewed in FIG.

The uniformity device 2 measures the uniformity of the tire. The uniformity device body 5 that measures the tire uniformity, and the tire before the uniformity is measured on the uniformity device body 5 (hereinafter referred to as “pre-test tire”). ). Further, the uniformity apparatus 2 includes a take-out device 7 that carries out the tire (hereinafter referred to as “tested tire”) whose uniformity has been measured by the uniformity apparatus body 5 from the uniformity apparatus body 5.
The take-in device 6 is connected to the carry-in conveyor 3 for carrying the pre-test tire into the uniformity device 2 from the upstream process, and the take-out device 7 is connected to the carry-out conveyor 4 for carrying out the tested tire to the downstream process. It is connected.

This take-in device 6 makes it possible to connect the carry-in conveyor 3 and to carry a tire in the same direction as the carry-in conveyor 3, and to take the pre-test tire from the carry-in conveyor 3 and supply the tire to the uniformity device body 5. To do.
Further, the take-out device 7 makes it possible to connect the carry-out conveyor 4 and to carry the tire in the same direction as the carry-out conveyor 4, and to take out the tested tire from the uniformity device body 5 and supply the tire to the carry-out conveyor 4. To do.
In the uniformity inspection line 1, the take-in device 6 of each uniformity device 2 is arranged on one side (right side in FIGS. 1 and 13) of the uniformity device body 5, and the take-out device 7 of each uniformity device 2 is on the other side (left side in FIGS. 1 and 13). These take-in device 6 and take-out device 7 are arranged to face each other.

That is, in the uniformity inspection line 1, the uniformity device 2 is arranged in parallel so that the take-in device 6 and the take-out device 7 are on the same side.
The carry-in conveyor 3 connects the take-in devices 6 arranged in the uniformity inspection line 1, and the carry-out conveyor 4 connects the take-out devices 7 arranged in the uniformity test line 1, respectively.
The carry-in conveyor 3 and the carry-out conveyor 4 are arranged in parallel, and the tire conveyance directions of the carry-in conveyor 3 and the carry-out conveyor 4 are the same direction.

Accordingly, the pre-test tire is taken into the intake device 6 from the upstream side via the carry-in conveyor 3, and the direction of conveyance of the tire is changed by the intake device 6 in a direction perpendicular to the conveyance direction of the carry-in conveyor 3. Then, it is supplied to the uniformity apparatus body 5 and tested.
On the other hand, the tested tires are unloaded from the uniformity device body 5 via the take-out device 7 and conveyed downstream by the carry-out conveyor 4.
As shown in FIGS. 1 and 2, the take-in device 6 of the uniformity apparatus 2 according to the present invention is capable of connecting the carry-in conveyor 3 and carrying the tire in the same direction as the carry-in conveyor 3. It has a carry-in traverser 9 that grips the tire on the take-in conveyor 8 and transfers it to the uniformity apparatus body 5.

Further, the take-out device 7 of the uniformity device 2 according to the present invention grips the tire of the take-out conveyor 10 that enables the carry-out conveyor 4 to be connected and allows the tire to be conveyed in the same direction as the carry-out conveyor 4 and the uniformity device body 5. And a carry-out traverser 11 to be transferred to the take-out conveyor 10.
In FIG. 1, two uniformity devices 2 are arranged, but when supplying the pre-test tires to each uniformity device 2, the following is performed.
When the pre-test tire is supplied to the downstream uniformity device 2a (hereinafter referred to as the “downstream uniformity device 2a”), the pre-test tire conveyed from the downstream process is connected to the upstream uniformity device 2b (hereinafter referred to as the downstream uniformity device 2a). , Referred to as “upstream uniformity device 2b”), is passed over the take-in conveyor 8 and transferred to the carry-in conveyor 3a on the downstream side of the upstream uniformity device 2b and conveyed to the downstream uniformity device 2a.

When supplying the pre-test tire to the upstream uniformity apparatus 2b, the pre-test tire conveyed from the downstream process is conveyed to the intake conveyor 8 of the upstream uniformity apparatus 2b via the carry-in conveyor 3, and this intake conveyor 8 The above pre-test tire is transferred to the uniformity apparatus body 5 using the carry-in traverser 9 of the upstream uniformity apparatus 2b.
Moreover, when conveying the tested tire of each uniformity apparatus 2 to a downstream process, it is as follows.
When carrying out the tested tires carried out from the upstream uniformity device 2b, the tested tires are transferred to the take-out conveyor 10 using the carry-out traverser 11 of the upstream uniformity device 2b, and the tires are transferred via the carry-out conveyor 4. It is carried out by conveying toward the downstream uniformity apparatus 2a, passing on the take-out conveyor 10 of the downstream uniformity apparatus 2a, and taking over to the most downstream carry-out conveyor 4a.

When carrying out the tested tires carried out from the downstream uniformity device 2a, transfer the tested tires to the take-out conveyor 10 using the carry-out traverser 11 of the downstream uniformity device 2a and take over to the most downstream carry-out conveyor 4a. Done in
Next, each main part of the uniformity apparatus 2, the carrying-in conveyor 3, and the carrying-out conveyor 4 are demonstrated.
As shown in FIG. 2, the uniformity apparatus main body 5 has a lower spindle 14 that is not movable up and down with respect to the tire conveyance level L in the uniformity apparatus 2 and that can be attached to and detached from the lower rim 13 on which the tire T is mounted. An upper spindle 16 that is positioned above and can attach and detach the upper rim 15 of the tire T, a spindle elevating device 17 that raises and lowers the upper spindle 16, and a center lift that can be raised and lowered and can hold the tire T at the tire conveyance level L. 18. The center lift 18 receives the tire T from the carry-in traverser 9 and then places the tire T on the lower rim 13 or lifts the tire T of the lower rim 13 to a conveyance level L1 in a uniformity device 2 to be described later and carries out the carry-out traverser 10. The tire T is handed over.

The uniformity apparatus main body 5 includes a drum apparatus 20 that rotates the tire T mounted on the upper and lower rims 13 and 15 of the upper spindle 16 and the lower spindle 14.
The lower spindle 14, the upper spindle 16, the spindle lifting device 17 and the center lift 18 are three-dimensionally supported by a box-shaped frame 21, and the drum device 20 does not protrude from the rectangular frame 21 in plan view. (In other words, the drum device 20 is disposed between the carry-in conveyor 3 and the carry-out conveyor 4).
The rotating drum 20 a of the drum device 20 can advance and retreat in a direction orthogonal to the tire conveyance direction in the uniformity device 2.

The carry-in conveyor 3 and the carry-out conveyor 4 convey the tire T so that the rotation center axis of the tire T is in the vertical direction. For example, a roller conveyor is adopted. Further, the carry-in conveyor 3 conveys the rotation center axis of the tire T toward the take-in conveyor 8 in a state in which the rotation axis is directed in the same direction as the central axes of the upper and lower rims 13 and 15 provided in the uniformity apparatus body 5. It has become.
As shown in FIGS. 1 to 3, the take-in conveyor 8 of the take-in device 6 includes a take-in conveyor main body 8 a that conveys the tire T in the same direction as the carry-in conveyor 3, and a tire T on the take-in conveyor main body 8 a. It is comprised with the taking-in lifter 8b which can be lifted upwards.

The take-in conveyor main body 8a employs a roller conveyor as in the carry-in conveyor 3.
The tire conveyance level L1 of the intake conveyor body 8a is set lower than the tire conveyance level L in the uniformity device 2 so that the tire T can pass between the conveyance surface A of the intake conveyor body 8a and the carry-in traverser 9. Has been.
In addition, the conveyance level L1 of the carrying-in conveyor 3 and the intake conveyor main body 8a is set to the same level.
Therefore, even when the carry-in traverser 9 moves the tire T to the uniformity apparatus body 5 as will be described later, a different tire T can be moved from the carry-in conveyor 3 to the intake conveyor body 8a. It is like that.

The take-in lifter 8b lifts the tire T on the take-in conveyor main body 8a to a position where the carry-in traverser 9 can receive it. In this embodiment, the mounting table 12 on which the tire T is placed is provided so as to be able to be raised and lowered from the lower side to the upper side of the take-in conveyor main body 8a (in other words, in the space portion 26 described later). The tire T on the conveyance surface A is lifted from below to above by the mounting table 12 so that the tire T can be transferred to the carry-in traverser 9.
A take-in lifter 8b may be provided at the lower part of the take-in conveyor main body 8a, and the take-in conveyor main body 8a itself may be moved up and down.

The rollers 22 of the intake conveyor body 8a are arranged in the same direction as the rollers 23 of the carry-in conveyor 3, so that the pre-test tire straddles the connecting portion between the carry-in conveyor 3 and the intake conveyor body 8a. T1 can move.
The take-out conveyor 10 of the take-out device 7 lowers the take-out conveyor main body 10a carrying the tire T in the same direction as the carry-out conveyor 4 and the tire T held by the carry-out traverser 11 to the take-out conveyor main body 10a downward from the holding position. It is comprised with the taking-in lifter 10b which can be used.

As with the carry-out conveyor 4, a roller conveyor is adopted for the take-out conveyor body 10a. The tire conveyance level L1 of the take-out conveyor body 10a is set lower than the tire conveyance level L in the uniformity device 2 so that the tire T can pass between the conveyance surface A of the take-out conveyor body 10a and the carry-out traverser 11. Yes.
In addition, the conveyance level L1 of the unloading conveyor 4 and the unloading conveyor main body 10a is set to the same level.
Therefore, even when the carry-out traverser 11 receives the tire T from the uniformity apparatus main body 5 and moves the tire T to the carry-out conveyor main body 10a side as described later, another tire T from the carry-out conveyor 4 is moved. It can be moved across the take-out conveyor body 10a.

The take-out lifter 10b receives the tire T gripped by the carry-out traverser 11 and delivers it to the take-out conveyor body 10a. In this embodiment, the mounting table 13 on which the tire T is mounted is provided on the lower side of the take-out conveyor body 10a (in other words, a space portion 26 described later) so that it can be raised and lowered. After the tire T moved on the conveyor body 10a is raised to be received, the tire T can be lowered onto the take-out conveyor body 10a by being lowered.
In addition, you may make it raise / lower the extraction conveyor main body 10a itself by providing the extraction lifter 10b in the lower part of the extraction conveyor main body 10a.

The rollers 24 of the take-out conveyor body 10a are arranged in the same direction as the rollers 25 of the carry-out conveyor 4, so that the pre-test tire T1 can move across the connecting portion between the carry-out conveyor 4 and the take-out conveyor body 10a. (Fig. 1).
The tire conveyance width D of the intake conveyor body 8a and the extraction conveyor body 10a is set to be substantially the same as the tire conveyance width D of the carry-in conveyor 3 and the carry-out conveyor 4.
The rollers 22 and 24 of the take-in conveyor main body 8a and the take-out conveyor main body 10a are composed of a pair of left and right short rollers whose length is shorter than the rollers 23 and 25 of the carry-in conveyor 3 and the carry-out conveyor 4.

  A space portion 26 having a predetermined width is formed between the pair of short rollers 22 and 24, and the space portion 26 is provided with the take-in lifter 8b, the take-out lifter 10b, The bead bribrator 27 and the marking device 28 are for enabling a predetermined work to be performed on the tire. When the work by the bead bribrator 27 is performed in the space portion 26, the short rollers 22 and 24 can be individually driven by a driving device provided in the take-in conveyor 8 so that the tire is circumferentially moved on the conveyor. It can be configured to be freely rotatable.

The carry-in traverser 9 takes out the pre-test tire T1 from the take-in conveyor 8 and transfers it to the rims 13 and 15 of the uniformity apparatus 2 without changing the direction of the central axis of the pre-test tire T1 being conveyed. , Provided on the intake conveyor 8.
The carry-out traverser 11 takes out the tire from the uniformity apparatus main body 5 and transfers it to the take-out conveyor 10 while maintaining the posture of the tested tire T2, and is provided on the take-out conveyor 10.
As shown in FIGS. 3 to 7, the carry-in traverser 9 and the carry-out traverser 11 have the same configuration except that they are arranged in different directions. The carry-in traverser 9 and the carry-out traverser 11 include a gripping means 31 that grips the tire T by pressing a plurality of locations on the outer peripheral surface of the tire T with the pressing member 30, and a slide means 33 that laterally feeds the tire T gripped by the gripping means 31. And have. In addition, the carry-in traverser 9 and the carry-out traverser 11 are provided with lifting means 32 that can lift the tire T gripped by the gripping means 31 from its position.

As shown in FIG. 4, the slide means 33 is provided at the lowermost part, and the raising / lowering means 32 is provided on the slide means 33. The main portion (the portion that grips the tire T and a pressing member 30 described later) is held.
Note that the term “transverse feed” means that in the carry-in traverser 9, the pre-test tire T 1 is sent in the tire supply direction in the take-in device 6, and in the carry-out traverser 11, the test is completed in the tire T carry-out direction in the take-out device 7. This means that the tire T2 is sent.

Next, the gripping means 31, lifting / lowering means 32, and sliding means 33 common to the carry-in traverser 9 and the carry-out traverser 11 will be described.
First, the gripping means 31 will be described.
3 to 6 show the gripping means 31. The gripping means 31 is configured to press and grip the outer peripheral surface of the tire T with the pressing member 30. The pressing members 30 are provided at at least three equidistant positions (four in the illustrated example) surrounding the outer peripheral surface of the tire T, and the pressing members 30 can simultaneously press a plurality of locations on the outer peripheral surface of the tire T. It has become.

Each pressing member 30 has a structure in which a roller 36 is held in a vertical posture by a roller bracket 35 formed in a U-shape. The roller 36 is rotatable about a vertical rotation axis parallel to the tire T center axis.
Initially, the pressing member 30 is placed on standby in a state where two of the pressing members 30 are distributed to the front and rear side positions across the conveyance path of the tire T. When the tire T is gripped, the pressing member 30 extends along the radial direction of the tire T. While operating from the front and rear side positions (standby position) toward the center (grip position) (see FIG. 3). Further, when the gripping of the tire T is finished, the operation is performed so as to return to the original side position.

The mechanism for operating the pressing member 30 as described above includes a swing mechanism 40, a link mechanism 41, a rack and pinion mechanism 42 that connects them, and a driving unit 43 that drives the link mechanism 41. ing.
As shown in FIG. 5, the swing mechanism 40 employs a pair of front and rear pressing members 30 arranged at the left side position and two pressing members 30 arranged front and rear at the right side position. Is adopted as a set. That is, there are two sets of the swing mechanism 40 at the front and rear.
In each set of swing mechanisms 40, swing arms 45 are extended from the pressing members 30 arranged in the front-rear direction so as to face each other, and a rotary drum 46 is provided at each tip of the swing arms 45. It is connected.

The rotating drums 46 are adjacent to each other on the lower surface of the support box 47 and are held so as to be rotatable around a rotation axis parallel to the central axis of the tire T. Further, a flat gear 48 is provided on the upper portion of each rotating drum 46, and the flat gears 48 mesh with each other to form a pair of interlocking gears 49.
Since the interlocking gear pair 49 is formed by two flat gears 48, the rotations of the rotating drums 46 are synchronized and maintained in a relationship of relative reverse rotation. Therefore, the front and rear swing arms 45 also swing in the opposite direction, and the front and rear pressing members 30 simultaneously advance from the side position toward the center or return to the original side position.

As shown in FIG. 6, the link mechanism 41 is configured such that a push / pull shaft 53 is connected to both ends of a connecting shaft 51 rotatably held by a bearing block 50 via swing links 52. . An input arm 54 protruding in the radial direction is fixed to the connection shaft 51 in the middle thereof.
A rack rail 55 is connected to each tip of the push-pull shaft 53. The rack rail 55 is meshed with a pinion gear 56 provided in the support box 47 of the swing mechanism 40. The pinion gear 56 rotates integrally with one flat gear 48 of the interlocking gear pair 49 by a connecting shaft 57 that passes through the support box 47. That is, a rack and pinion mechanism 42 that interlocks the swing mechanism 40 and the link mechanism 41 is formed by the engagement of the rack rail 55 and the pinion gear 56.

The prime mover 43 has a drive fork 60 that is rotatably connected to the input arm 54 of the link mechanism 41. The drive fork 60 transmits a push-pull operation to the input arm 54, and the connection shaft 51. Is rotated (the link mechanism 41 is operated).
The driving unit 43 includes a first stage driving unit 62 and a secondary driving unit 64. For example, an electric jack is used for the first stage drive unit 62. The secondary drive unit 64 employs a fluid pressure cylinder such as air pressure or hydraulic pressure.

In the prime mover 43, the first-stage drive unit 62 and the secondary drive unit 64 are simultaneously operated to push and pull the drive fork 60 with a predetermined stroke. Among these, the first stage drive unit 62 has a push-pull stroke necessary to bring each pressing member 30 close to the tire T outer peripheral surface from the above side position (standby position not in contact with the tire T outer peripheral surface). The next drive unit 64 has a push-pull stroke necessary to bring the tire T outer peripheral surface into a pressed state from a position close to the tire T outer peripheral surface.
That is, in the prime mover 43, the first stage drive unit 62 and the secondary drive unit 64 are simultaneously operated to push out the drive fork 60, so that the link mechanism 41, the rack and pinion mechanism 42, and the forward and backward swinging are performed. The mechanism 40 is operated, and the outer peripheral surface of the tire T can be pressed all at once with all the pressing members 30 to be in a gripping state.

Further, when only the secondary drive unit 64 is pulled after gripping the tire T, all the pressing members 30 are released from pressing against the outer peripheral surface of the tire T, and there is a clearance between the pressing member 30 and the tire T. Will occur.
If only the secondary drive unit 64 is pushed again from this state, the tire T outer peripheral surface can be pressed again by all the pressing members 30 to return to the gripping state of the tire T.
The pressing member 30 is configured to be rotatable or rotatable, and is configured to be rotated or rotated by a driving device (not shown) so that the work performed by the beadle breaker 27 is performed at a gripping position where the tire T is gripped. be able to.

Next, the slide means 33 will be described.
As shown in FIGS. 2 to 5, the slide means 33 moves the slide frame 65 relative to the front and rear frames 63 provided above the front and rear frames 63 of the take-in conveyor 8 or the take-out conveyor 10. A travel drive mechanism 66 is provided.
The gripping means 31 described above is basically provided on the slide frame 65, and performs a sliding operation together when the slide frame 65 slides on the front and rear frames 63.

The travel drive mechanism 66 includes a fixed rack rail 67 provided on the front and rear frames 63, a movable rack rail 68 provided on the slide frame 65, and a pinion gear 69 sandwiched between the rack rails 67 and 68. , And a gear moving device 70 that rolls the pinion gear 69 along the fixed rack rail 67.
The pinion gear 69 meshes with both the fixed side rack rail 67 and the moving side rack rail 68.
The gear moving device 70 is formed by, for example, a fluid pressure cylinder or the like, and can push and pull the gear bracket 71 of the pinion gear 69.

In such a travel drive mechanism 66, the pinion gear 69 is moved along the fixed rack rail 67 by the gear moving device 70, so that the rotation of the pinion gear 69 is added to the amount of movement, and as a result, the pinion gear 69. The moving amount and moving speed of the moving-side rack rail 68 are doubled compared to the moving amount.
Next, the lifting means 32 will be described.
As shown in FIG. 4, the elevating means 32 has a structure for elevating the support box 47 of the gripping means 31 with respect to the slide frame 65 of the slide means 33.

The slide frame 65 is formed as a hollow square pipe, and an elevating beam 65a formed as a square pipe so as to be movable up and down is installed in the square pipe, and a support box 47 is connected to a tip portion thereof.
A lift link 74 is swingably connected to the lift beam 65a at a plurality of locations in the longitudinal direction (two locations in the illustrated example).
The two elevating links 74 connected to the front and rear elevating beams 65a are connected in parallel links by an L-shaped link 73 and a connecting rod 75, respectively, and move up and down in conjunction with each other. Each L-shaped link 73 is swingably held.

As shown in FIG. 7, the rocking of the L-shaped link 73 is performed with respect to the link bracket 76 via a single connecting shaft 77, and the connecting shaft 77 and the front and rear L-shaped links 74 are integrated. It is connected so that it can swing. An input link 78 protruding in the radial direction is fixed to the connection shaft 77 in the middle thereof, and a driving portion 79 is connected to the input link 78.
The driving part 79 is mounted on the upper part of the coupling base 80 in the slide frame 65 along with the driving part 43 of the gripping means 31 described above. For this driving portion 79, for example, a fluid pressure cylinder such as air pressure or oil pressure is employed.

For this reason, when the driving portion 79 is driven in the pushing direction, all the L-shaped links 74 are lowered, and the gripping means 31 is lowered as the elevating beam 65a is lowered. If the prime mover 79 is driven in the pull-in direction, the gripping means 31 will rise.
As shown in FIG. 3, according to the take-in device 6, the drive device provided in the take-in conveyor 8 is driven to rotate the short roller 22 of the take-in conveyor main body 8a in the same direction, thereby bringing in the carry-in conveyor. The pre-test tire T1 can be taken from 3.

When the pre-test tire T1 is taken in by the take-in device 6, the take-in device 6 is connected to the rotation center axis of the pre-test tire T1 being conveyed and the central axes of the rims 13 and 15 of the uniformity apparatus body 5 (in other words, up and down When the virtual movement line P connecting the rotation axes of the spindles 14 and 16 is orthogonal to the conveying direction in the take-in conveyor main body 8a, the rotation of the short roller 22 is stopped and the pre-test tire T1 is taken in the take-in conveyor main body 8a. Stop on top.
Then, the take-in lifter 8b provided below the take-in conveyor main body 8a rises from the lower position to a position where the outer circumferential surface of the pre-test tire T1 can be gripped by the pressing member 30 of the carry-in traverser 9, and before the test by the pressing member 30 The outer peripheral surface of the tire T1 is pressed and gripped all at once.

Thereafter, the pressing means 30 (pre-test tire T1) is moved linearly along the virtual movement line P by the sliding means 33 toward the rims 13 and 15 (center lift 18) of the tire T uniformity apparatus body 5 in the tire supply direction. Move.
When the rotation center axis of the pre-test tire T1 coincides with the rotation axes of the rims 13 and 15 (in other words, the rotation axes of the upper and lower spindles 14 and 16), the pressing of the pressing member 30 is released, and the center lift The pre-test tire T <b> 1 is transferred to the rims 13 and 15 via 18. Thereafter, the pressing member 30 retracts to the upper side of the take-in conveyor 8a, returns to the original position, and enters a standby state.

According to the take-out device 7 described above, the reverse operation of the take-in device 6 is performed. That is, when the uniformity measurement is completed, the pressing member 30 of the carry-out traverser 11 waiting on the upper side of the take-out conveyor 10a is moved to the uniformity apparatus body 5 side, and the outer circumference of the tested tire T2 on the center lift 18 is measured. The outer peripheral surface of the tested tire T2 is simultaneously pressed and held by the pressing member 30, and is moved linearly in the same manner as the virtual movement line P toward the take-out conveyor body 10a.
Then, when the tested tire T2 moves above the take-out conveyor body 10a, the take-out lifter 10b provided below the take-out conveyor body 10a rises to the vicinity of the pressing member 30 so as to receive the tested tire T2. After receiving the gripped tested tire T2, the take-out lifter 10b is lowered to the transport level L1. As with the take-in device 6, the pressing member 30 is in a standby state at the return position.

As shown in FIG. 1, in the uniformity inspection line 1, a bead bribrator 27 for applying a silicifying agent to the beat portion of the tire T is provided on the most upstream side of the tire carry-in.
That is, the bead bribrator 27 is provided below the take-in device 6 of the uniformity device 2 (2 b) on the most upstream side, that is, below the take-in conveyor 8. In this embodiment, the bead bribrator 27 (silicating agent application roller 81 described later) is provided in the take-in lifter 8b.
The bead bribrator 27 stops the pre-test tire T1 by the take-in device 6 and then moves the pre-test tire T1 to the uniformity device 2 before the space of the take-in conveyor 8 as shown in FIGS. 26, the silicic acid application roller 81 is raised toward the center opening of the pre-test tire T1, and the silicic acid application roller 81 is pressed against the tire T bead portion.

In addition, after gripping the pre-test tire T1, the roller 36 of the pressing member 30 is rotated, or before gripping the pre-test tire T1, the short roller 22 of the take-in conveyor 8 is individually driven to pre-test tire T1. Is used to apply a silicifying agent.
In the uniformity inspection line 1, all the uniformity devices 2 may be provided with the beadle breaker 27, but as described above, it is preferable that only the most upstream uniformity device 2 b be provided with the beadle breaker 27.
In addition, when the bead bribrator 27 is provided only in the most upstream uniformity device 2b, the bead bribrator 27 of the most upstream uniformity device 2b is applied to all of the pre-test tires T1 conveyed from the carry-in conveyor 3 so that the silicicant is applied. Drive.

In the uniformity inspection line 1, a marking device 28 is provided on the tire T for marking the result of the uniformity measurement test on the most downstream side of the tire carry-out.
That is, the marking device 28 is provided below the take-out device 7 of the uniformity device 2 (2a) on the most downstream side, that is, below the take-out conveyor 10.
The marking device 28 is for marking the outer peripheral side surface or the like of the tested tire T2 that has been tested in each uniformity device 2. As described above, when the device is provided only in the most downstream uniformity device 2a, A predetermined marking is applied to the tested tire T2 corresponding to the uniformity device 2. In this embodiment, the marking device 28 (a marking head 82 described later) is provided in the take-in lifter 10b.

When the uniformity measurement is finished in each uniformity device 2, the measurement test result of the tested tire T2 is sent to the marking device 28, and when this tested tire T2 arrives on the marking device 28 via the carry-out conveyor 4, A stamp or the like is made on the outer peripheral side surface of the tested tire T2 based on the measurement test result.
Specifically, when there is one place to mark the tested tire T2, the take-out conveyor body 10a of the most downstream uniformity apparatus 2a has the short roller 24 when the tested tire T2 comes to the marking position. The rotation is stopped and the tested tire T2 is stopped. Thereafter, the marking head 82 of the marking device 28 is taken up and marked toward the tested tire T2 through the space 26 of the take-out conveyor 10.

Further, when there are a plurality of places to be marked on the tested tire T2, the take-out conveyor main body 10a of the most downstream uniformity apparatus 2a has its short roller 24 when the tested tire T2 comes to a position where it can be gripped by the pressing member 30. Is stopped and the tested tire T2 is stopped.
After that, the tested tire T2 is raised by the take-out lifter 10b, and the tested tire T2 is gripped by the pressing member 30, and then the roller 36 of the pressing member 30 is rotated by a driving device (not shown) to move the tested tire T2 in the circumferential direction. The marking is performed by rotating the marking head 82 of the marking device 28.

When marking is performed by rotating the tested tire T2 with the pressing member 30 as described above, the rotation angle of the tire T with respect to the marking position is stored in advance at the time when the test is completed, and based on this information. Thus, the tested tire T2 is rotated.
In the uniformity apparatus 2 of the present invention, since the tire T2 is removed from the uniformity apparatus 2 and transferred to the take-out conveyor body 10a while maintaining the posture of the tested tire T2, marking is performed after the test is completed. Since the direction of the tire T does not change until marking is performed by the device 28, marking can be performed at an accurate position even if the marking device 28 is provided on the most downstream side as described above.

As shown in FIG. 1, in the uniformity inspection line 1, it is preferable to provide a barcode reader 29 that reads a barcode provided on the tire at the most upstream of the tire carry-in.
That is, a barcode reader 29 that reads a barcode attached to the outer peripheral surface of the tire is provided on the intake conveyor (above the gripping means 31) of the most upstream uniformity device 2a.
The barcode reader 29 reads information such as the type, size, and serial number of the tire to be tested by reading the barcode. The barcode reader 29 grips the tire with the gripping means 31 and rotates the roller 36 of the pressing member 30. The bar code can be read by rotating the tire.

In the uniformity inspection line 1, the barcode reader 29 may be provided in all the uniformity devices 2. However, by providing the barcode reader 29 only in the most upstream uniformity device 2 b as described above, the tires in the uniformity inspection line 1 can be provided. Information can be shared, the uniformity inspection line 1 can be controlled smoothly, and the cost of equipment can be reduced.
FIG. 9 shows a second embodiment of the uniformity inspection line 1 according to the present invention.
As shown in FIG. 9, the uniformity inspection line 1 changes the arrangement of the drum device 20 to bring the upstream and downstream uniformity devices 2 closer to each other as compared to the above embodiment.

As shown in FIG. 9, the drum device 20 corresponding to the upstream uniformity device 2b is disposed on the upstream side of the uniformity device body 5 of the upstream uniformity device 2b, and the drum device 20 corresponding to the downstream uniformity device 2a is disposed downstream. By arranging the uniformity device 2a on the downstream side of the uniformity device main body 5, the two sets of uniformity devices 2 on the upstream and downstream sides are brought close to each other.
In this way, monitoring of the two upstream and downstream uniformity devices 2 is facilitated, and the lengths of the carry-in conveyor 3 and the carry-out conveyor 4 can be shortened.

FIG. 10 shows a third embodiment of the uniformity inspection line 1 according to the present invention.
As shown in FIG. 10, the uniformity inspection line 1 has a pair of uniformity devices 2, and a carry-in conveyor 3 and a carry-out conveyor 4 are arranged between the uniformity devices 2 to connect the pair of uniformity devices 2, respectively. A direction switching device 83 is provided in the middle of the carry-in conveyor 3 and the carry-out conveyor 4, and the conveyance directions of the tires T in the carry-in conveyor 3 and the carry-out conveyor 4 are different directions. One of the drum devices 20 that rotates the tire is arranged between the uniformity devices 2.

The direction switching device is composed of, for example, a turntable, and changes the direction in a direction perpendicular to the tire transport direction.
The turntable 83 provided in the carry-in conveyor 3 distributes the pre-test tires T <b> 1 conveyed from the upstream side to the uniformity devices 2 by the turntable 83. The turntable 83 provided on the carry-out conveyor 4 directs the tested tire T2 that has been carried out from each uniformity apparatus 2 and directed from the carry-out conveyor 4 toward the turntable 83 toward the downstream conveyor.

FIG. 11 shows a modification of the uniformity inspection line 1 of the third embodiment.
As shown in FIG. 11, the uniformity inspection line 1 includes a pair of uniformity devices 2, and the drum device 20 provided between the uniformity devices 2 in the third embodiment is taken out from between them, and the uniformity device 2 is provided with a direction switching device 83 that also serves as the carry-in conveyor 3 and the carry-out conveyor 4.
In this way, the pair of uniformity devices 2 can be brought closer to each other compared to the third embodiment, and both the uniformity devices 2 can be easily monitored, and the lengths of the carry-in conveyor 3 and the carry-out conveyor 4 can be shortened. it can.

FIG. 15 shows a modification of the uniformity apparatus. The tire conveyance level L1 of the intake conveyor body 8a is set to be substantially the same as the tire conveyance level L in the uniformity device 2. The tire conveyance level L1 of the take-out conveyor body 10a is set to be substantially the same as the tire conveyance level L in the uniformity device 2.
And the conveyance level of the carrying-in conveyor 3 and the taking-in conveyor main body 8a is set to the same level, and the carrying level of the carrying-out conveyor 4 and the taking-out conveyor main body 10b is set to the same level.

Accordingly, the uniformity apparatus 2 is not provided with the take-in lifter 8b and the take-out lifter 10b, and the take-in conveyor 8 in this embodiment is composed of an up-and-down fixed take-in conveyor body 8a that does not move up and down. The take-out conveyor 10 is composed of an up-and-down fixed take-in conveyor body 10a that does not move up and down.
As described above, in the uniformity apparatus 2, tires are loaded and unloaded as follows.
First, the pre-test tire T1 is taken in from the carry-in conveyor 3 by driving the driving device provided in the take-in conveyor 8 to rotate the short roller 22 in the same direction.

At this time, the gripping means 31 (pressing member 30) and the slide frame 65 are in the raised position (a space sufficient for the pre-test tire T1 to pass between the gripping means 31 and the slide frame 65 and the take-in conveyor 8 is ensured. Therefore, the gripping means 31 and the slide frame 65 are raised).
In the capture device 6, a virtual movement line P that connects the rotation center axis of the pre-test tire T 1 being conveyed and the central axes of the rims 13 and 15 of the uniformity device body 5 is orthogonal to the transport direction in the capture conveyor 8. At that time, the rotation of the short roller 22 is stopped, and the pre-test tire T1 stops on the take-in conveyor 8.

The gripping means 31 (pressing member 30) and the slide frame 65 are lowered to a position where the outer circumferential surface of the pre-test tire T1 can be gripped by the pressing member 30 of the carry-in traverser 9, and the outer circumferential surface of the pre-test tire T1 is lowered by the pressing member 30. Press and hold all at once.
Thereafter, the pre-test tire T1 is floated by the lifting / lowering means 32, and the pressing member 30 (pre-test tire T1) is linearly moved along the virtual movement line P by the slide means 33 to the rims 13 and 15 of the tire T uniformity device body 5. Move toward the tire supply direction.
When the rotation center axis of the pre-test tire T1 and the rotation axis of the rims 13 and 15 coincide with each other, the pressing of the pressing member 30 is released, and the pre-test tire T1 is removed from the rims 13 and 15 via the center lift 18. To be transferred to. Thereafter, the pressing member 30 retracts to the take-in conveyor 8 and returns to the original position, and enters a standby state.

In addition, the said standby state means that the holding means 31 and the slide frame 65 are in a position that does not interfere with the taking-in of the pre-test tire T1. Specifically, the gripping means 31 and the slide frame 65 are raised so that the pre-test tire T1 can pass on the intake conveyor 8.
According to the take-out device 7 described above, the reverse operation of the take-in device 6 is performed. That is, when the measurement of uniformity is completed, the pressing member 30 of the carry-out traverser 11 waiting on the take-out conveyor 10 is moved to the outer peripheral surface of the tested tire T2 on the center lift 18, and the tested tire T2 by the pressing member 30. The outer peripheral surfaces are simultaneously pressed and gripped, and are carried out and moved toward the take-out conveyor 10 linearly in the same manner as the virtual movement line P.

Then, the tested tire T2 floating above the take-out conveyor 10 is lowered by the elevating means 32, transferred onto the short roller 24 of the take-out conveyor 10, and the pressing member 30 and the like in the same manner as the take-in device 6 Is in a standby state at the return position.
As a matter of course, the standby state in the take-out device 7 means that the slide means 33 and the slide frame 65 including the pressing member 30 are positioned so as not to obstruct the passage of the tested tire T2. Specifically, the gripping means 31 and the slide frame 65 are raised so that the tested tire T2 can pass on the take-out conveyor 10.

In the modified example, the space through which the tire T passes is secured by raising the gripping means 31 and the slide frame 65, but instead of this, the raising / lowering width by the L-shaped link 73 is increased and sliding is performed. The frame 65 may be configured so as not to prevent the tire T from passing through the take-in conveyor 8 and the take-out conveyor 10, and the elevating beam 65 a and the gripping means 31 may be raised and lowered to secure a space through which the tire T passes.
The present invention is not limited to the above embodiment. In the above embodiment, the carry-in conveyor 3 is connected to the take-in conveyor 8 of the uniformity apparatus 2 and the carry-out conveyor 4 is connected to the take-out conveyor 10. However, as shown in FIG. The conveyors 4 are arranged in parallel, and a plurality of uniformity apparatus main bodies 5 (in other words, the uniformity apparatus 2c having no take-in conveyor 8 or take-out conveyor 10) are arranged in parallel to correspond to each uniformity apparatus 2c. You may make it arrange | position the carrying-in traverser 9 and the carrying-out traverser 11 of the said structure in a position.

That is, a carry-in traverser 9 that holds the tire conveyed by the carry-in conveyor 3 and supplies it to the uniformity device 2 c is provided on the carry-in conveyor 3, and the carry-out traverser 10 holds the tire of the uniformity device 2 c and carries it out to the carry-out conveyor 4. May be provided on the carry-out conveyor 4.
For example, the carry-in traverser 9 and the carry-out traverser 10 may be supported by the frames of the carry-in conveyor 3 and the carry-out conveyor 4 or may be supported by other frames.

In the above embodiment, the marking device 28 is provided below the take-out conveyor 10. However, the marking device 28 may be provided above the carry-out traverser 7. In particular, when marking on both surfaces (upper and lower surfaces) of the tested tire T2, a marking device 28 may be provided below the take-out conveyor 10 and provided above the carry-out traverser 7, and marking may be performed by both the marking devices 28. .
In the above embodiment, the tire T is transferred between the uniformity apparatus body 5 (in other words, the lower rim 13) and the carry-in traverser 9 via the center lift 18, but the center lift 18 is not used. Alternatively, the tire T held by the carry-in traverser 9 itself may be placed on the lower rim 13. Similarly, the transfer of the tire T between the lower rim 13 and the carry-out traverser 11 may be performed by gripping the tire T of the lower rim 13 with the carry-out traverser 11 itself without using the center lift 18.

It is a top view of a uniformity inspection line which has arranged a plurality of uniformity devices concerning the present invention. It is a side view of a uniformity apparatus. It is a detailed top view of a uniformity apparatus. It is a side view of an uptake device. It is a perspective view for demonstrating mainly a holding means and a raising / lowering means. It is a perspective view for demonstrating mainly the drive mechanism of a holding means. It is a perspective view for demonstrating mainly a raising / lowering means. It is operation | movement explanatory drawing of a bead bribrator or a marking apparatus. It is a top view of 2nd Embodiment of a uniformity inspection line. It is a top view of 3rd Embodiment of a uniformity inspection line. It is a modification of 3rd Embodiment of a uniformity inspection line. It is a top view of other embodiments of a uniformity inspection line. It is a schematic plan view of the uniformity inspection line in FIG. It is a schematic plan view of the conventional uniformity inspection line. It is a modification of a uniformity apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Uniformity inspection line 2 Uniformity apparatus 3 Carry-in conveyor 4 Carry-out conveyor 5 Uniformity apparatus main body 6 Take-in apparatus 7 Take-out apparatus 8 Take-in conveyor 9 Carry-in traverser 10 Carry-out conveyor 11 Carry-out traverser

Claims (10)

In the uniformity device having a take-in device that supplies tires to the uniformity device body and a take-out device that carries tires out of the uniformity device body on both the left and right sides of the uniformity device body,
The take-in device is capable of connecting a carry-in conveyor that conveys tires in a direction orthogonal to the tire supply direction of the take-in device, and is capable of carrying tires in the same direction as the carry-in conveyor, A carry-in traverser that grips the tire on the take-in conveyor and transfers it to the uniformity apparatus body;
The take-out device is capable of connecting a carry-out conveyor that conveys tires in a direction orthogonal to the tire carry-out direction of the take-out device, and is capable of transporting tires in the same direction as the carry-out conveyor, and the uniformity device main body And a carry-out traverser for gripping and transferring the tire to the take-out conveyor.   The tire is conveyed from the carry-in conveyor toward the take-in conveyor in a state in which the rotation center axis is directed in the same direction as the central axis of the rim provided in the uniformity apparatus body, and the carry-in traverser The uniformity apparatus according to claim 1, wherein the tire is taken out of the take-in conveyor without being changed in a direction of a central axis of the tire, and transferred to a rim of the uniformity apparatus main body.   3. The uniformity apparatus according to claim 1, wherein the carry-out traverser removes the tire from the uniformity apparatus main body and transfers the tire to a take-out conveyor in a state in which the attitude of the tire after uniformity measurement is maintained.   The carrying-in traverser and the carrying-out traverser include a gripping unit that grips the tire by pressing a plurality of locations on the outer peripheral surface of the tire with a pressing member, a lifting unit that can float the tire gripped by the gripping unit, and the lifting unit The uniformity apparatus according to any one of claims 1 to 3, further comprising slide means for laterally feeding the tire floated in step (1). A uniformity inspection line in which a plurality of uniformity devices according to any one of 1 to 4 are arranged,
The uniformity inspection line characterized in that the take-in conveyors of the uniformity devices are linearly connected to each other by a carry-in conveyor, and the take-out conveyors of the uniformity devices are linearly connected to each other by a carry-out conveyor. . In a uniformity inspection line in which a carry-in conveyor and a carry-out conveyor for tires are arranged in parallel to each other, and a plurality of uniformity devices are arranged in parallel with respect to the conveyor between the two conveyors,
A carry-in traverser that grips the tire conveyed by the carry-in conveyor and supplies it to the uniformity device is provided on the carry-in conveyor, and a carry-out traverser that holds the tire of the uniformity device and carries it out to the carry-out conveyor is provided on the carry-out conveyor. Uniformity inspection line characterized by being provided.   The tire is conveyed in a state in which the rotation center axis thereof is directed in the same direction as the center axis of a rim provided in the uniformity device, and the carry-in traverser changes the direction of the center axis of the tire being conveyed. 7. The uniformity inspection line according to claim 6, wherein the tire is taken out from the carry-in conveyor and transferred to a rim of the uniformity device.   The uniformity inspection line according to claim 6 or 7, wherein the carry-out traverser takes out the tire from the uniformity device and transfers it to a carry-out conveyor while maintaining the posture of the tire after uniformity measurement.   The carrying-in traverser and the carrying-out traverser include a gripping unit that grips the tire by pressing a plurality of locations on the outer peripheral surface of the tire with a pressing member, a lifting unit that can float the tire gripped by the gripping unit, and the lifting unit The uniformity inspection line according to claim 5, further comprising a slide unit that laterally feeds the tire floated in the step.   A bead bribrator is provided on the most upstream side of the tire loading, and a marking device for marking the uniformity measurement test results on the tire is provided on the most downstream side of the tire unloading. The uniformity inspection line according to any one of claims 6 to 9.

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