CN103660294A - Tyre cord layer jointing device and jointing method - Google Patents
Tyre cord layer jointing device and jointing method Download PDFInfo
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- CN103660294A CN103660294A CN201310366803.4A CN201310366803A CN103660294A CN 103660294 A CN103660294 A CN 103660294A CN 201310366803 A CN201310366803 A CN 201310366803A CN 103660294 A CN103660294 A CN 103660294A
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Abstract
The invention provides a tyre cord layer jointing device and jointing method. Accordingly, tyres with excellent high-speed uniformity can be manufactured at a high production rate without needing reserving a relatively large amount of rubber among cords or pre-cutting the two edges of each cord layer in a mode that even a relatively small overlapped part can still reliably joint the cord layers with a stable strength. The tyre cord layer jointing device comprises an elevating part and an elevating unit. Needle-shaped projections are distributed on the elevating part at specified intervals along the width direction of the two cord layers. Each of the cord layers is formed by using unvulcanized rubber to cover a cord arrangement body which is formed by parallelly arranging the cords. The elevating unit enables the needle-shaped projections to spur the overlapped part until the front end parts of the needle-shaped projections penetrate through the overlapped part. Moreover, the elevating unit enables the elevating part to lower down to make the unvulcanized rubber of one cord layer invade into the other cord layer and then enables the elevating part to rise up to pull the needle-shaped projections out of the overlapped part after the spurring.
Description
Technical field
The present invention relates to engagement device and the joint method of tire cord layer.
Background technology
In the oblique operation of the cord ply in tire builder order, after the angle with regulation cuts into the width of regulation by cord ply, each edge (edge) of two cord plys that obtain after cutting is engaged with each other and makes these two cord plys realize rectangularization (for example patent documentation 1, patent documentation 2), wherein, above-mentioned cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel.
And, as such joint method, adopted overlap joint juncture shown below, zipper joint (zip joint) mode and docking juncture in the past.
Overlap joint juncture is to be kept intact and carry out crimping and the mode that makes it to engage from above-below direction simultaneously in self overlapping overlapping portion forming, the edge of two cord plys.
Zipper joint mode is so that the mode of slide fastener closure, and crimping is carried out to and the mode that makes it to engage in order successively from one end towards the other end in self overlapping overlapping portion forming, the edge of two cord plys.
Docking juncture is that the end face of the edge of two cord plys is docked each other, and the mode of keeping intact and pressing in abutting direction and end face is engaged with each other.
Patent documentation 1: TOHKEMY 2010-42571 communique
Patent documentation 2: TOHKEMY 2010-111082 communique
Yet there is respectively problem as follows in above-mentioned these junctures.
That is, in overlap joint juncture, the in the situation that of joint at the not enough 3mm in overlapping portion, cannot keep enough engaging forces, during expansion, likely make junction surface separately.Therefore,, in order to keep enough engaging forces when adopting overlapping mode, overlapping portion need to be set as to the so larger overlapping portion of 3mm～5mm.
Yet, in the situation that set larger overlapping portion like this, in the cord ply of junction surface after joint, increase, make the high speed uniformity variation of tire, thereby likely the problems such as vibration occur.Therefore,, for requiring the joint of cord ply of high performance specific tires, sometimes cannot adopt overlap joint juncture.
Next, in zipper joint mode, although compare and can reduce overlapping portion with overlap joint juncture, in order to engage reliably, between cord, need above to a certain degree rubber mass.Therefore, at the cord ply that used thickness is thinner, manufacture in the process of passenger car tire, the joint of cord ply is difficult to adopt zipper joint mode.
And the device using in zipper joint mode, compares and forms more complicated structure with overlap joint juncture, thereby need to carry out trickle adjustment to device.And then the maintenance times of device, the occurrence probability of fault also increase, thereby compare with overlap joint juncture, productivity ratio significantly reduces.
In addition, the higher precision of job requirements engaging successively in order towards the other end from one end due to the overlapping portion to less, therefore need to make rubber mass in edge less to a certain degree and keep constant, thereby sometimes before joint, must to two edges, cut in advance.
In this case, the operation of cutting two edges because having increased further reduces productivity ratio, in addition, for the waste rubber producing because of cutting is carried out to waste treatment, also can produce extra-pay.
Next, for docking juncture, due to overlapping portion not being set, therefore identical with zipper joint mode, in order to engage reliably, the rubber mass more than needing to a certain degree between cord.Therefore, at the thinner cord ply of used thickness, manufacture in the process of passenger car tire, the joint of cord ply is difficult to adopt docking juncture.
Summary of the invention
Therefore, the present invention completes in view of the above problems, its problem is to provide a kind of engagement device and joint method of tire cord layer, without guarantee more rubber mass between cord, also without in advance two of cord ply edges being cut, even less overlapping portion also can engage cord ply with stable intensity reliably, thereby can produce with higher productivity ratio the tire of high speed uniformity excellence.
Invention described in technical scheme 1 is a kind of engagement device of tire cord layer,
Each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, above-mentioned cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel, and the engagement device of this tire cord layer is characterised in that to possess:
Lift Part, at this Lift Part along the width of above-mentioned two cord plys a plurality of nadel that has been spaced with regulation; With
Lifting unit, this lifting unit makes above-mentioned nadel carry out bur to above-mentioned overlapping portion, until the leading section of above-mentioned nadel connects above-mentioned overlapping portion, and above-mentioned Lift Part is declined, so that the half finished rubber of a side cord ply invades the opposing party's cord ply, then, make above-mentioned Lift Part increase, so that the above-mentioned nadel of carrying out after bur is extracted from above-mentioned overlapping portion.
On the basis of the engagement device of the tire cord layer described in technical scheme 1, the invention described in technical scheme 2 is characterised in that,
Above-mentioned nadel consists of the circular metal parts that is shaped as diameter 1mm～2mm of cross section.
On the basis of the engagement device of the tire cord layer described in technical scheme 1 or 2, the invention described in technical scheme 3 is characterised in that,
Above-mentioned nadel after arrangement be spaced apart 2mm～4mm.
In technical scheme 1 to 3 arbitrarily on the basis of the engagement device of the tire cord layer described in scheme, the invention described in technical scheme 4 is characterised in that,
Lower layer side in above-mentioned overlapping portion possesses pressure-containing parts, and this pressure-containing parts is provided with recess space, and this recess space is for accepting the leading section of the above-mentioned nadel after the perforation of above-mentioned overlapping portion.
In technical scheme 1 to 4 arbitrarily on the basis of the engagement device of the tire cord layer described in scheme, the invention described in technical scheme 5 is characterised in that,
At the both ends of arrangement that are arranged at a plurality of above-mentioned nadels of above-mentioned Lift Part, possesses the stop part of the column of the slippage of adjusting above-mentioned Lift Part.
Invention described in technical scheme 6 is a kind of engagement device of tire cord layer,
By each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, above-mentioned cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel, and the engagement device of this tire cord layer is characterised in that to possess:
Lift Part, what at this Lift Part, along the width of above-mentioned two cord plys, take regulation is spaced the nadel that a plurality of leading sections are tabular surface; With
Lifting unit, this lifting unit is so that the mode that the leading section of above-mentioned nadel does not connect above-mentioned overlapping portion makes above-mentioned nadel carry out bur to above-mentioned overlapping portion, and above-mentioned Lift Part is declined, so that the cord of a side cord ply invades between the opposing party's the cord of cord ply, then, make above-mentioned Lift Part increase, so that the above-mentioned nadel of carrying out after bur is extracted from above-mentioned overlapping portion.
On the basis of the engagement device of the tire cord layer described in technical scheme 6, the invention described in technical scheme 7 is characterised in that,
Above-mentioned tabular surface is the face of the round shape of diameter 0.3mm～0.5mm.
On the basis of the engagement device of the tire cord layer described in technical scheme 6 or 7, the invention described in technical scheme 8 is characterised in that,
Also possess positioning unit, this positioning unit detects the concavo-convex of above-mentioned cord ply surface by the mode of laser scanning, controls thus the position that above-mentioned nadel is carried out the cord ply of bur.
Invention described in technical scheme 9 is a kind of joint method of tire cord layer,
By each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, above-mentioned cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel, and the joint method of this tire cord layer is characterised in that, comprises following operation:
Overlapping step, each edge part of making above-mentioned two cord plys is overlapping and form overlapping portion;
Nadel bur operation, for the width along above-mentioned cord ply with regulation spaced a plurality of nadel for, make above-mentioned nadel carry out bur to above-mentioned overlapping portion, until the leading section of a plurality of nadels connects above-mentioned overlapping portion, thereby make the half finished rubber of a side cord ply invade the opposing party's cord ply; And
Nadel is extracted operation, and the above-mentioned nadel of carrying out after bur is extracted from above-mentioned overlapping portion.
Invention described in technical scheme 10 is a kind of joint method of tire cord layer,
By each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, above-mentioned cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel, and the joint method of this tire cord layer is characterised in that, comprises following operation:
Overlapping step, each edge part of making above-mentioned two cord plys is overlapping and form overlapping portion;
Nadel bur operation, for along the width of above-mentioned cord ply, take regulation be spaced and a plurality of nadels that front end is tabular surface for, make above-mentioned nadel to above-mentioned overlapping portion, not carry out bur in the mode above-mentioned overlapping portion not being connected, thereby the cord of a side cord ply is invaded between the opposing party's the cord of cord ply; And
Nadel is extracted operation, and the above-mentioned nadel of carrying out after bur is extracted from above-mentioned overlapping portion.
On the basis of the joint method of the tire cord layer described in technical scheme 9 or 10, the invention described in technical scheme 11 is characterised in that,
The sizableness of above-mentioned overlapping portion is in the size of 1～2 cords of each cord ply.
According to the present invention, a kind of engagement device and joint method of tire cord layer can be provided, without guarantee more rubber mass between cord, also without in advance two of cord ply edges being cut, even less overlapping portion, also can with stable intensity, cord ply be engaged reliably, thereby can manufacture with high production rate the tire of high speed uniformity excellence.
Accompanying drawing explanation
Fig. 1 is the figure of the first embodiment that the engagement device of tire cord layer involved in the present invention is shown, and Fig. 1 (A) is concise and to the point side view, and Fig. 1 (B) is concise and to the point front view.
Fig. 2 is the main position enlarged side view that the variation of the engagement device shown in Fig. 1 is shown.
Fig. 3 is the concise and to the point side view that other variation of the engagement device shown in Fig. 1 are shown.
Fig. 4 is that Fig. 4 (A) is concise and to the point side view for the figure of the joint method of the tire cord layer that has used the engagement device shown in Fig. 1 is described, Fig. 4 (B) is concise and to the point front view, and Fig. 4 (C) is main position enlarged front view.
Fig. 5 (A)～Fig. 5 (E) is the main position enlarged front view that the engagement device of tire cord layer involved in the present invention and the second embodiment of joint method are shown.
Description of reference numerals:
1,21 ... engagement device; 2 ... Lift Part; 3,23 ... nadel; 4 ... actuator; 5 ... pressure-containing parts; 6a, 6b ... stop part; 11,12 ... cord ply; 11a ... the terminal edge edge of cord ply 11; 12a ... the top edge part of cord ply 12; 13 ... overlapping portion; 14,15 ... cord; 17 ... position sensor; 28 ... laser scanning sensor; 50 ... recess space; X ... the throughput direction of cord ply; Y ... cord ply width; Z ... the lifting direction of Lift Part.
The specific embodiment
Below, with reference to accompanying drawing and meanwhile the embodiment of the engagement device of tire cord layer involved in the present invention and joint method is described.
1. the first embodiment
(1) structure of the engagement device of tire cord layer
Fig. 1 is the figure of the first embodiment that the engagement device of tire cord layer involved in the present invention is shown, and Fig. 1 (A) is concise and to the point side view, and Fig. 1 (B) is concise and to the point front view.
As shown in Figure 1, engagement device 1 possesses: the Lift Part 2 that is provided with a plurality of nadels 3; Actuator 4 as Lift Part driver element; And two cord plys 11,12 are transported to the below of nadel 3 and form the ribbon conveyer (not shown) of overlapping portion 13.In addition, also show position sensor 17 in Fig. 1, the position of 17 pairs of cord plys 11,12 that transport along throughput direction X by ribbon conveyer of this position sensor is detected simultaneously.
And the overlapping portion 13 of 3 pairs of upper strata cord plys 11 of nadel and lower floor's cord ply 12 is carried out bur and this overlapping portion 13 is connected, and thus the edge part of upper strata cord ply 11 and lower floor's cord ply 12 is bonded with each other.That is, make 3 pairs of overlapping portions of nadel 13 carry out bur, until the leading section of nadel 3 connects overlapping portion 13, thereby make the half finished rubber of upper strata cord ply 11 enter into lower floor's cord ply 12, carry out thus the joint of overlapping portion 13.After this by carrying out nadel 3 after bur, from overlapping portion, 13 extract, complete thus joint.
As shown in Figure 2, this engagement device further preferably possesses pressure-containing parts 5, and in overlapping portion, 13 lower layer side is provided with recess space 50 to this pressure-containing parts 5, and this recess space 50 is for the leading section of the nadel after accepting the overlapping portion 13 to connect.Thus, can protect the leading section of the nadel 3 after overlapping portion 13 is connected, and can prevent that thus overlapping portion 13 from producing deflection from lower side bearing overlapping portion 13, and then can make the leading section of nadel 3 reliably overlapping portion 13 be connected.
In addition, preferably, as shown in Fig. 3 (A), at the both ends of arrangement that are arranged at a plurality of nadels 3 of Lift Part 2, be provided with stop part 6a, the 6b of cylindrical metal.Thus, as shown in Fig. 3 (B), can prevent that nadel 3 from excessively connecting the overlapping portion 13 of cord ply 11,12, and, when after while extracting nadel 3, can prevent that cord ply 11,12 is pulled up together with nadel 3.
Now, in order to prevent that stop part 6a, 6b from connecting cord ply 12, more than preferably stop part 6a, 6b being made as to steady state value with respect to the contact area of cord ply, particularly, be made as 2mm
2above.
(2) joint method of tire cord layer
Next, on one side with reference to Fig. 1 and Fig. 4, the method for using above-mentioned engagement device to engage tire cord layer is described on one side.
Fig. 4 is the figure to having used the joint method of the tire cord layer of the engagement device shown in Fig. 1 to describe, and Fig. 4 (A) is concise and to the point side view, and Fig. 4 (B) is concise and to the point front view, and Fig. 4 (C) is main position enlarged front view.
As shown in Fig. 1 (B), cord ply 11 is in advance carried along throughput direction X on ribbon conveyer, when the back end edge edge 11a of cord ply 11 being detected by position sensor 17 and arrived the position of regulation, stops the conveying to cord ply 11.
Next, on ribbon conveyer, cord ply 12 is carried and come along throughput direction X, so that the top edge part 12a of follow-up cord ply 12 is positioned at the top of the back end edge edge 11a of cord ply 11 in advance.And, when top edge part 12a being detected by position sensor 17 and arrived the position of regulation, stop the conveying to cord ply 12.Thus, form the overlapping overlapping portion forming 13 of top edge part 12a by back end edge edge 11a and the cord ply 12 of cord ply 11.
Now, the lap L of overlapping portion 13 is preferably equivalent to form the size (1mm～2mm left and right) of the cord of 1～2 of cord ply 11,12.
Next, as shown in Fig. 4 (A) and Fig. 4 (B), utilize actuator 4 that Lift Part 2 is vertically declined, and the leading section that makes to be arranged at a plurality of nadels 3 of Lift Part 2 connect overlapping portion 13 from upper strata cord ply 12 sides.
Now, as shown in Fig. 4 (C), because the leading section of each nadel 3 is pressed into by the half finished rubber of a part of 12aChao lower floor cord ply 11 of the half finished rubber of upper strata cord ply 12 half finished rubber that makes it to invade lower floor's cord ply 11, therefore, even less overlapping portion 13, also can make two cord plys 11,12 engage securely.
In addition, when engaging, without guarantee more rubber mass between cord, also without in advance two of cord ply edges being cut.
After joint finishes, utilize actuator 4 to make Lift Part 2 vertically increase, thereby nadel 3 13 is extracted from overlapping portion.
Afterwards, utilize ribbon conveyer to carry the cord ply 11,12 after engaging, until the terminal edge edge of upper strata cord ply 12 detected by position sensor 17.After this repeatedly carry out above-mentioned a series of action, thereby it is rectangular that cord ply is formed.
2. the second embodiment
(1) structure of the engagement device of tire cord layer
Fig. 5 is the main position enlarged front view of the second embodiment that the engagement device of tire cord layer is shown.
For the engagement device 21 of the second embodiment, the front end that is arranged at the nadel 23 of Lift Part 2 is shaped as tabular surface, and be provided with the laser scanning sensor 28 for detection of the small convex-concave on upper strata cord ply 12 surfaces, in addition, all the other are all identical with the engagement device 1 of the first embodiment, below only the part different from the first embodiment are described.
As shown in Figure 5, the leading section 23a of the nadel 23 of present embodiment forms the tabular surface of diameter 0.3mm～0.5mm.
(2) joint method of tire cord layer
Next, the method for using 21 pairs of tire cord layers of engagement device to engage is described.
First, similarly form overlapping portion 13 with above-mentioned the first embodiment.Now, as shown in Fig. 5 (A), utilize laser scanning sensor 28 to detect the small convex-concave occurring on the surface of upper strata cord ply 12, detect thus the position of the cord 15 that forms upper strata cord ply 12.
Next, as shown in Figure 5 (B), the leading section that similarly makes nadel 23 with the first embodiment from overlapping portion 13 upper strata cord ply 12 sides invade.And, as shown in Fig. 5 (C), by the leading section of nadel 23 and detected cord 15Chao lower floor cord ply 11 side pressures of the testing result based on laser scanning sensor 28 are entered.
In the present embodiment, nadel 23 does not connect overlapping portion 13, but as shown in Fig. 5 (D), by bulged-in cord 15 being pressed between adjacent two cords 14,14 of cord ply 11, the interval between these two cords is widened, thus overlapping portion 13 is engaged.Afterwards, as shown in Fig. 5 (E), nadel 23 13 is extracted from overlapping portion.
Its result, compares with joint in the past, in the present embodiment, under the state of the overlapping mitigation of the cord 14 of the cord 15Yu of upper strata cord ply 12 lower floor cord ply 11, they is engaged.Thus, the deviation of the binding force causing because of cord in the time of can making to be shaped relaxes, thereby has improved the defects such as projection, depression, and high speed uniformity also improves.
3. the effect of embodiment
(1) as mentioned above, because the leading section bur of nadel is to till connecting overlapping portion, thereby the half finished rubber that makes upper strata cord ply invades lower floor's cord ply, or the cord that makes upper strata cord ply invades between the cord of lower floor's cord ply, therefore, even the size of overlapping portion (lap) is set compared with little and make it reach the size of 1～2 cords (1mm～about 2mm), also can with stable intensity, cord ply be engaged reliably, therefore can manufacture the tire of high speed uniformity excellence.
(2) in addition, when engaging, without guarantee more rubber mass between cord, also without in advance two of cord ply edges being cut.
[embodiment]
By evaluation that each edge part of different two cord plys of lap is engaged to stretch, thus the situation engaging is evaluated below.
1. test body
Use size is 525mm * 1450mm * 0.95mm(thickness) two cord plys of (cord radical is 1450), and as shown in table 1, with 1～2 of not enough 3mm(cords), the lap of 3mm above (cord is more than 3) engages and made test body.In addition, as the test body of not enough 3mm, prepared two edge cuts and engaged the test body forming.
2. joint method
As joint method, adopt the joint method (embodiment) based on the first embodiment, joint method (comparative example 1) and the joint method based on zipper joint mode (comparative example 2) of the overlap joint juncture based in the past.
3. evaluation method
Suppose to have produced expansion, utilize tensile shear machine to each test body (shearing force: 50N/mm that stretches
2), and the separation that junction is occurred is evaluated.In addition, the separation occurring according to junction and carried out as follows evaluating (N=10).
◎: separation does not occur at junction surface.
△: separation has occurred at the junction surface of 1～9 samples.
*: all there is separation in the junction surface of 10 samples.
4. evaluation result
The results are shown in table 1.
Table 1
Known according to table 1, at overlap joint juncture (comparative example 1) in the situation that, if 1～2 of not enough 3mm(cords of lap), engaging force reduces, and when expanding, junction surface can produce separation.
And known, zipper joint mode (comparative example 2) in the situation that, although in the situation that to two of cord ply edges carried out cutting and with 1～2 of not enough 3mm(cords) lap carried out engaging no problem, but in the situation that not cutting two edges, due to the rubber mass at two edges too much (or the inconstant part of rubber mass at two edges of existence), therefore cannot form enough zipper joint (junction surface), thereby likely there is separation in junction surface when expanding.
With respect to this, known the in the situation that of embodiment, even if lap is to be equivalent to 1～2 less laps that cord is such, also can with stable intensity, engage reliably.In addition we know,, even if cutting is not implemented in two edges, also can form enough junction surfaces.
Although describe the present invention based on embodiment above, the present invention is not limited to above-mentioned embodiment.In scope identical with the present invention and that be equal to, can apply various changes to above-mentioned embodiment.
Claims (11)
1. an engagement device for tire cord layer, makes these two cord plys realize rectangularization by each edge part of two cord plys is engaged, and wherein, described cord ply is covered and formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel,
The engagement device of described tire cord layer is characterised in that to possess:
Lift Part, at this Lift Part along the width of described two cord plys a plurality of nadel that has been spaced with regulation; With
Lifting unit, this lifting unit makes described nadel carry out bur to overlapping portion, until the leading section of described nadel connects described overlapping portion, and described Lift Part is declined, so that the half finished rubber of a side cord ply invades the opposing party's cord ply, then, make described Lift Part increase, so that the described nadel of carrying out after bur is extracted from described overlapping portion.
2. the engagement device of tire cord layer according to claim 1, is characterized in that,
Described nadel is formed by the circular metal parts that is shaped as diameter 1mm～2mm of cross section.
3. the engagement device of tire cord layer according to claim 1 and 2, is characterized in that,
Described nadel after arrangement be spaced apart 2mm～4mm.
4. according to the engagement device of the tire cord layer described in any one in claim 1～3, it is characterized in that,
Lower layer side in described overlapping portion possesses pressure-containing parts, and this pressure-containing parts is provided with recess space, and this recess space is for accepting the leading section of the described nadel after the perforation of described overlapping portion.
5. according to the engagement device of the tire cord layer described in any one in claim 1～4, it is characterized in that,
At the both ends of arrangement that are arranged at a plurality of described nadels of described Lift Part, possesses the stop part of the column of the slippage of adjusting described Lift Part.
6. an engagement device for tire cord layer, by each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, described cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel,
The engagement device of described tire cord layer is characterised in that to possess:
Lift Part, what at this Lift Part, along the width of described two cord plys, take regulation is spaced the nadel that a plurality of leading sections are tabular surface; With
Lifting unit, this lifting unit is so that the mode that the leading section of described nadel does not connect described overlapping portion makes described nadel carry out bur to described overlapping portion, and described Lift Part is declined, so that the cord of a side cord ply invades between the opposing party's the cord of cord ply, then, make described Lift Part increase, so that the described nadel of carrying out after bur is extracted from described overlapping portion.
7. the engagement device of tire cord layer according to claim 6, is characterized in that,
Described tabular surface is the face of the round shape of diameter 0.3mm～0.5mm.
8. according to the engagement device of the tire cord layer described in claim 6 or 7, it is characterized in that,
Also possess positioning unit, this positioning unit detects the concavo-convex of described cord ply surface by the mode of laser scanning, controls thus the position that described nadel is carried out the cord ply of bur.
9. a joint method for tire cord layer, by each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, described cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel,
The joint method of described tire cord layer is characterised in that, comprises following operation:
Overlapping step, each edge part of making described two cord plys is overlapping and form overlapping portion;
Nadel bur operation, for the width along described cord ply with regulation spaced a plurality of nadel for, make described nadel carry out bur to described overlapping portion, until the leading section of described nadel connects described overlapping portion, thereby make the half finished rubber of a side cord ply invade the opposing party's cord ply; And
Nadel is extracted operation, and the described nadel of carrying out after bur is extracted from described overlapping portion.
10. a joint method for tire cord layer, by each edge part of two cord plys is engaged and makes these two cord plys realize rectangularization, wherein, described cord ply is covered and is formed by the cord arrange body that utilizes half finished rubber cord is arranged in parallel,
The joint method of described tire cord layer is characterised in that, comprises following operation:
Overlapping step, each edge part of making described two cord plys is overlapping and form overlapping portion;
Nadel bur operation, for along the width of described cord ply, take regulation be spaced and a plurality of nadels that front end is tabular surface for, make described nadel to described overlapping portion, not carry out bur in the mode described overlapping portion not being connected, thereby the cord of a side cord ply is invaded between the opposing party's the cord of cord ply; And
Nadel is extracted operation, and the described nadel of carrying out after bur is extracted from described overlapping portion.
11. according to the joint method of the tire cord layer described in claim 9 or 10, it is characterized in that,
The sizableness of described overlapping portion is in the size of 1～2 cords of each cord ply.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012204569A JP5801779B2 (en) | 2012-09-18 | 2012-09-18 | Tire cord ply joining apparatus and joining method |
| JP2012-204569 | 2012-09-18 |
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| CN103660294A true CN103660294A (en) | 2014-03-26 |
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| CN201310366803.4A Pending CN103660294A (en) | 2012-09-18 | 2013-08-21 | Tyre cord layer jointing device and jointing method |
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| JP5107650B2 (en) * | 2007-10-01 | 2012-12-26 | 住友ゴム工業株式会社 | Tire manufacturing apparatus and tire manufacturing method |
| JP5063524B2 (en) * | 2008-08-11 | 2012-10-31 | 住友ゴム工業株式会社 | Joint method and joint device for inner liner of heavy duty tire |
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2012
- 2012-09-18 JP JP2012204569A patent/JP5801779B2/en active Active
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2013
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5801779B2 (en) | 2015-10-28 |
| JP2014058114A (en) | 2014-04-03 |
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