CN103129159B - The forming method of tire constituent material center line printing equipment and tire constituent material - Google Patents
The forming method of tire constituent material center line printing equipment and tire constituent material Download PDFInfo
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- CN103129159B CN103129159B CN201210473363.8A CN201210473363A CN103129159B CN 103129159 B CN103129159 B CN 103129159B CN 201210473363 A CN201210473363 A CN 201210473363A CN 103129159 B CN103129159 B CN 103129159B
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- constituent material
- tire constituent
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Abstract
The present invention is the forming method of tire constituent material center line printing equipment and tire constituent material, when emulsion sheet being pasted on the both ends of tire constituent material, also can suppress to paste cylinder paste time depart from center phenomenon.The center line printing equipment of tire constituent material possesses: the supply unit of tire constituent material; In a non-contact manner at the printer of the center print center line of tire constituent material; And the placed in the middleization mechanism making the center of tire constituent material consistent with the print position of printer, printer is disposed in the upstream side of emulsion sheet sticker.The forming method of tire constituent material possesses: the chemical industry sequence placed in the middle of tire constituent material; In a non-contact manner in the printing operation of the center print center line of tire constituent material; Emulsion sheet adhering processes; And make the center line of the tire constituent material being pasted with emulsion sheet consistent with the center of pasting cylinder, and tire constituent material is pasted on the molding procedure of pasting cylinder.
Description
Technical field
The present invention relates to the center line printing equipment of the tire constituent material of print center line on tire constituent material in order to make tire constituent material medially be pasted on stickup cylinder and make tire constituent material at the forming method pasting cylinder tire constituent material placed in the middle.
Background technology
When tire building, when cushion (example of tire constituent material) being pasted on stickup cylinder, change between two parties (such as, patent document 1) to make the center of cushion consistent with the center of pasting cylinder.
And then, do not occurring in the off-centered situation of cushion, the ground connection shape of tire, ground pressure are formed as symmetrical in table, the cross force deviation (Lateral Force Deviation: the mean value of the variation of the cross force of tire) of tire when rotating forward and when reversing is identical, and therefore tapering reduces.
But in the off-centered situation of generation cushion, the ground connection shape of tire, ground contact pressure distribution become asymmetric in table, therefore can produce difference between the cross force deviation of tire when rotating forward and when reversing, making tapering increase thus.
Fig. 3 is the chart departing from the relation between the amount a and the tapering N of tire of center that cushion is shown.In addition, in this chart, the key factors such as center phenomenon, tyre tread that depart from of the adhesive material beyond cushion are all got rid of.According to Fig. 3: cushion depart from center amount a (absolute value) larger, larger on the impact of the tapering N of tire.
Patent document 1: Japanese Laid-Open Patent Publication 61-237626 publication
Summary of the invention
Problem of the present invention is to provide a kind of center line printing equipment of tire constituent material and the forming method of tire constituent material, even if when emulsion sheet being pasted on the both ends of the tire constituent materials such as cushion, also can suppress to paste cylinder paste time depart from center phenomenon.
The feature of the center line printing equipment of the tire constituent material of the invention of technical scheme 1 is to possess:
Supply unit, the tire constituent material of strip is carried along long side direction by this supply unit;
Printer, this printer is in a non-contact manner at the center print center line of described tire constituent material; And
Placed in the middleization mechanism, this is changed mechanism between two parties and utilizes described supply unit to carry described tire constituent material, while make the center of described tire constituent material consistent with the print position of described printer,
Described printer is disposed in the upstream side of emulsion sheet sticker, and emulsion sheet is pasted on the two side ends of described tire constituent material by this emulsion sheet sticker,
Also possess forming unit, this forming unit makes the described center line of the described tire constituent material being pasted with described emulsion sheet consistent with the center of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder,
Described forming unit makes the center line of described tire constituent material consistent with the irradiation position of described laser by irradiating the laser of placed in the middleization to the center of pasting cylinder, and described tire constituent material is pasted on the unit of described stickup cylinder,
Also possesses identifying unit, after described tire constituent material is pasted on described stickup cylinder, camera is utilized to measure described tire constituent material on described stickup cylinder throughout complete cycle, when the described center line of described tire constituent material reaches more than regulation area in the measurement category of camera, be judged to be that the center of described stickup cylinder is consistent with the center of described tire constituent material.
The center line printing equipment of the tire constituent material described in technical scheme 1, the feature of the invention of technical scheme 2 is, described printing mechanism becomes by printing described center line to described tire constituent material irradiation laser.
The feature of the forming method of the tire constituent material of the invention of technical scheme 3 is to possess following operation:
Chemical industry sequence placed in the middle, carries out placed in the middleization of tire constituent material;
Print operation, the center print center line of the described tire constituent material in a non-contact manner after placed in the middleization;
Emulsion sheet adhering processes, is pasted on the two side ends printing and have the described tire constituent material of described center line by emulsion sheet; And
Molding procedure, makes the described center line of the described tire constituent material being pasted with described emulsion sheet consistent with the center of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder,
In described molding procedure, make the center line of described tire constituent material consistent with the irradiation position of described laser by irradiating the laser of placed in the middleization to the center of pasting cylinder, and described tire constituent material be pasted on described stickup cylinder,
Also comprise judgement operation, after described tire constituent material is pasted on described stickup cylinder, camera is utilized to measure described tire constituent material on described stickup cylinder throughout complete cycle, when the described center line of described tire constituent material reaches more than regulation area in the measurement category of camera, be judged to be that the center of described stickup cylinder is consistent with the center of described tire constituent material.
According to the present invention, even if when emulsion sheet being pasted on the both ends of tire constituent material, also can suppress to paste cylinder paste time depart from center phenomenon, can reduce thus tire tapering produce probability.
Accompanying drawing explanation
Fig. 1 is the stereogram of the manufacturing installation of the cushion of the center line printing equipment schematically showing the cushion comprised involved by embodiments of the present invention.
Fig. 2 is the figure that cushion is shown, (A) is its top view, and (B) is its sectional view.
Fig. 3 is the chart departing from the relation between center amount and the tapering of tire that cushion is shown.
Description of reference numerals: 1 ... center line printing equipment; 2 ... transport conveyer belt (supply unit); 3 ... placed in the middleization mechanism; 4 ... printer; 5 ... emulsion sheet sticker; 6 ... cutting device; 7 ... compression bonding apparatus; 8 ... coiler device; 9 ... cushion (tire constituent material); 10a, 10b ... emulsion sheet; 30a ~ 32b ... directing pin; 40 ... laser oscillation apparatus; 50 ... rotating shaft; 52a, 52b ... emulsion sheet supply roll; 60,70 ... transport conveyer belt; 90 ... cord; 92 ... rubber; 94 ... center line; L ... laser; W1 ... cushion width; W2 ... center line width; D ... the degree of depth of center line; θ ... cushion angle.
Detailed description of the invention
Below, as tire constituent material for cushion, with reference to accompanying drawing, the center line printing equipment of tire constituent material and the embodiment of forming method are described.
Fig. 1 is the stereogram of the manufacturing installation of the cushion of the center line printing equipment schematically showing the cushion comprised involved by embodiments of the present invention.Fig. 2 is the figure that cushion is shown, (A) is its top view, and (B) is its sectional view.
1. the structure of the center line printing equipment of tire constituent material
As shown in Figure 1, center line printing equipment 1 possesses and carries the transport conveyer belt 2 of rectangular cushion (tire constituent material) 9, placed in the middleization mechanism 3, printer 4 along long side direction.
Herein, as shown in Fig. 2 (A), (B), the layer that cushion 9 comprises the cord 90 be made up of fibrous materials such as steel wire, polyester, nylon and the layer of rubber 92 that the layer of these cords 90 is covered.Cord 90 is arranged in has constant angle (hereinafter referred to as cushion angle) θ relative to the long side direction of cushion 9.In addition, cushion angle θ is set as 15 ° ~ 60 °, cushion width W 1 is set as 60mm ~ 300mm.
(1) mechanism is changed between two parties
Placed in the middleization mechanism 3 has two groups of directing pin 30a that the throughput direction along transport conveyer belt 2 is arranged, 30b, 32a, 32b.The interval of one group of directing pin 30a, 30b can adjust accordingly with the width W 1 of cushion 9.Equally, the interval of another group directing pin 32a, 32b also synchronously can adjust with the movement of directing pin 30a, 30b.Two groups of directing pin 30a, 30b, 32a, 32b have make rectangular cushion 9 placed in the middleization on the width of cushion 9 function with mutually collaborating.
(2) printer
Printer 4 is to print the device of the center line extended along long side direction to this cushion 9 with the non-contacting mode of cushion 9.Printer 4 has laser oscillation apparatus 40, irradiates laser L to tire constituent material 9, makes the rubber 92 of cushion 9 that thermal change (or chemical reaction) occur, thus can print the center line 94 extended along long side direction.Center line 94 is the arbitrary shape such as linearity, dotted line shape.In the present embodiment, as shown in Figure 2, center line 94 is formed as linearity, and its width W 2 is set to 0.2mm ~ 2.0mm, degree of depth d is set to 0.05mm ~ 0.5mm.Further, the irradiation temperature of laser is set to 110 DEG C (beginning blowing temperatures) ~ 350 DEG C (beginning ignition temperature).
In addition, as long as printer 4 can print center line in a non contact fashion, being not limited to based on sharp light-struck printing, also can be the structure in the mode of ink jet non-contactly.
(3) emulsion sheet sticker
Emulsion sheet 10a, 10b are pasted on the left and right end portions of cushion 9 by emulsion sheet sticker 5 respectively.Emulsion sheet sticker 5 is arranged at rotating shaft 50 by rotatable to one group of emulsion sheet supply roll 52a, 52b.And then emulsion sheet sticker 5 has labelling machine (not shown), emulsion sheet 10a, 10b are pasted on the left and right end portions of the cushion 9 transported from the transport conveyer belt 2 of center line printing equipment 1 by this labelling machine.
(4) other
As shown in Figure 1, cutting device 6, compression bonding apparatus 7 is configured with in order to casing ply material is cut into given size at the upstream side of center line printing equipment 1.Further, emulsion sheet sticker 5, coiler device 8 is configured with in the downstream of center line printing equipment 1.In addition, cutting device 6 possesses transport conveyer belt 60 and cutting machine (not shown).Compression bonding apparatus 7 possesses transport conveyer belt 70 and press-connection machine (not shown).
And then, by using the manufacturing installation comprising the cushion of the center line printing equipment of the cushion formed in the above described manner, through severing operation, crimping process, laser irradiation process and emulsion sheet adhering processes, and in rolling step, the cushion printing own centre line is temporarily wound in coiler device 8, and then be pasted on stickup cylinder.
2. the forming method of tire constituent material
The forming method of the tire constituent material of present embodiment uses center line printing equipment 1 cushion 9 to be changed between two parties, while to the method for pasting cylinder stickup relative to stickup cylinder.
(1) as shown in Figure 1, the cutting machine being disposed in the cutting device 6 of the upstream side of center line printing equipment 1 is utilized cushion 9 to be cut into the cushion width W 1 of regulation.The transport conveyer belt 60 of cutting device 6 is utilized to be sent into the compression bonding apparatus 7 in downstream by the cushion 9 after cutting.Compression bonding apparatus 7 utilizes press-connection machine, the leading section of the cushion 9 after the cutting sent to is crimped on the rearward end of cushion 9 formerly, thus the two is connected.
(2) transport conveyer belt 70 that the cushion 9 after being connected with cushion is formerly crimped device 7 is sent to the center line printing equipment 1 in downstream, while utilize transport conveyer belt 2 to carry it, placed in the middleization mechanism 3 is utilized to make it placed in the middle on the width of cushion 9.
(3) then, while utilize transport conveyer belt 2 to carry cushion 9, while utilize the laser L irradiated from printer 4 to make the rubber 92 of cushion 9 that thermal change (or chemical reaction) occur, thus the center line 94 extended along long side direction is printed on the center of cushion 9.
(4) cushion 9 printing own centre line 94 is transferred conveyer belt 2 and carries further, utilizes the labelling machine of emulsion sheet sticker 5 that emulsion sheet 10a, 10b of supplying from emulsion sheet sticker 5 are pasted on the left and right end portions of above-mentioned cushion 9.
(5) coiler device 8 is utilized to reel to the cushion 9 after being pasted with emulsion sheet 10a, 10b.
(6) for the cushion 9 after winding, make to utilize the center line 94 of laser printing consistent with the center of pasting cylinder, and be pasted on stickup cylinder shaping.Specifically, such as, irradiate the placed in the middleization laser of accompanying drawing outside to the center of pasting cylinder, make the position of the center line of cushion 9 consistent with the irradiation position of laser and carry out placed in the middleization of cushion 9, and cushion 9 is pasted on stickup cylinder.
(7) and, the judgement whether center of the stickup cylinder after stickup consistent with the center line 94 of cushion 9 utilizes camera measurement to carry out efficiently.That is, in during the center line 94 being pasted on the cushion 9 pasted on cylinder encloses around one, judge which kind of degree the area of center line 94 is received in camera measurement category.Such as, if in the rectangular camera measurement category of 8 pixels (about 3.2mm) × 244 pixel (about 97.6mm), the area storage of center line 94 is more than 500 pixels (threshold value can set arbitrarily), then be judged as that the center line 94 of cushion 9 does not misplace, on the contrary, if below 500 pixels, be then judged as dislocation or create bending.
(8) in addition, although utilize coiler device 8 temporarily to be reeled by the cushion 9 being pasted with emulsion sheet 10a, 10b in the above embodiment, also can not be wound device 8 and reel, but be directly pasted on paste cylinder carries out shaping.
3. the effect of present embodiment
(1) according to the present embodiment, be equipped in order to downstream from the upstream side of transport conveyer belt 2: the printer 4 of the placed in the middleization mechanism 3 of center line printing equipment 1, in a non contact fashion print center line 94 and emulsion sheet sticker 5, therefore before stickup emulsion sheet 10a, 10b, center line 94 can be printed on cushion 9.
(2) and then, when carrying out tire building, the impact of emulsion sheet 10a, 10b can not be subject to, based on the correct center line 94 printed cushion 9 can be pasted on and paste on cylinder.
(3) therefore can not be subject to the harmful effect of emulsion sheet 10a, 10b, its result, cushion 9 correctly can be pasted on and paste on cylinder, that can suppress cushion departs from center phenomenon, thus can reduce the tapering of tire.
(4) and, owing to being printed by the irradiation (cordless) of laser L, therefore can not apply mechanical wearing and tearing, impact to cushion 9, thus be difficult to produce the damage of cushion 9, the dislocation etc. of center line 94.Further, due to also not with an organic solvent, therefore hardly burden is caused to natural environment.
(5) and, as mentioned above, owing to irradiating placed in the middleization, with laser, cushion 9 is pasted on stickup cylinder to pasting the center of cylinder, therefore, it is possible to correctly and easily make the center line 94 of cushion 9 consistent with the center of stickup cylinder.
(6) and then, as mentioned above, owing to possessing judgement operation, judge to use in operation the efficiently and fast method by utilizing camera to carry out measuring to judge to paste the center of cylinder and the center line of cushion whether consistent at this, therefore, it is possible to the tapering of reduction tire further.
Embodiment
1. the evaluation of taper value (CON value)
The present embodiment is the cushion 9 utilizing the center line printing equipment 1 of above-mentioned embodiment to make band emulsion sheet 10a, the 10b printing own centre line 94, and utilizes this cushion 9 pairs of tires to carry out shaping example.
Comparative example on the cushion 9 of band emulsion sheet 10a, 10b, does not form center line, but only use placed in the middleization guiding piece to carry out shaping example to tire.
About embodiment, comparative example, make 1000 tires, and obtain taper value, standard deviation and mortality (disqualification rate).
Table 1
| N=1000 bar | CON value (on average) (N) | Standard deviation (N) | Mortality (%) |
| Comparative example | 5.3 | 28.3 | 16.5 |
| Embodiment | 4.8 | 15.4 | 1.3 |
Known according to table 1, the CON value of " embodiment " is 4.8, be less than 5.3 of " comparative example ", and the standard deviation of " embodiment " is 15.4, be less than 28.3 of " comparative example ", under good production management, the fraction defective (mortality) of tire is significantly reduced to 1.3% from 16.5% of existing methodical comparative example.
2. the evaluation of printer
(1) embodiment is the example utilizing the printer of laser type to carry out print center line 94.Comparative example 1 is the example utilizing the printer of pen type to carry out print center line 94.Comparative example 2 is the examples utilizing the printer of pin type to carry out print center line 94.
(2) for embodiment and comparative example, have rated the line dislocation of center line, the damage that cushion (product) is caused and the burden that natural environment is caused.
Table 2 shows evaluation result to three kinds of printers.In table 2, illustrate successively according to the order of " ◎ ", "○", " △ " and "×" from the evaluation of excellence.
Table 2
Can confirm according to table 2: printer (printer of " embodiment ") the whichever assessment item in a non contact fashion center line 94 being printed on the laser type of cushion 9 is all very excellent.
Although describe the present invention based on embodiment above, the present invention is not limited to above-mentioned embodiment.In the scope identical or equivalent with the present invention, various change can be applied to above-mentioned embodiment.
Claims (3)
1. a center line printing equipment for tire constituent material, is characterized in that possessing:
Supply unit, the tire constituent material of strip is carried along long side direction by this supply unit;
Printer, this printer is in a non-contact manner at the center print center line of described tire constituent material; And
Placed in the middleization mechanism, this is changed mechanism between two parties and utilizes described supply unit to carry described tire constituent material, while make the center of described tire constituent material consistent with the print position of described printer,
Described printer is disposed in the upstream side of emulsion sheet sticker, and emulsion sheet is pasted on the two side ends of described tire constituent material by this emulsion sheet sticker,
Also possess forming unit, this forming unit makes the described center line of the described tire constituent material being pasted with described emulsion sheet consistent with the center of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder,
Described forming unit makes the center line of described tire constituent material consistent with the irradiation position of described laser by irradiating the laser of placed in the middleization to the center of pasting cylinder, and described tire constituent material is pasted on the unit of described stickup cylinder,
Also possesses identifying unit, after described tire constituent material is pasted on described stickup cylinder, camera is utilized to measure described tire constituent material on described stickup cylinder throughout complete cycle, when the described center line of described tire constituent material reaches more than regulation area in the measurement category of camera, be judged to be that the center of described stickup cylinder is consistent with the center of described tire constituent material.
2. the center line printing equipment of tire constituent material according to claim 1, is characterized in that,
Described printing mechanism becomes by printing described center line to described tire constituent material irradiation laser.
3. a forming method for tire constituent material, is characterized in that, comprises following operation:
Chemical industry sequence placed in the middle, carries out placed in the middleization of tire constituent material;
Print operation, the center print center line of the described tire constituent material in a non-contact manner after placed in the middleization;
Emulsion sheet adhering processes, is pasted on the two side ends printing and have the described tire constituent material of described center line by emulsion sheet; And
Molding procedure, makes the described center line of the described tire constituent material being pasted with described emulsion sheet consistent with the center of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder,
In described molding procedure, make the center line of described tire constituent material consistent with the irradiation position of described laser by irradiating the laser of placed in the middleization to the center of pasting cylinder, and described tire constituent material be pasted on described stickup cylinder,
Also comprise judgement operation, after described tire constituent material is pasted on described stickup cylinder, camera is utilized to measure described tire constituent material on described stickup cylinder throughout complete cycle, when the described center line of described tire constituent material reaches more than regulation area in the measurement category of camera, be judged to be that the center of described stickup cylinder is consistent with the center of described tire constituent material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011260797A JP5547168B2 (en) | 2011-11-29 | 2011-11-29 | Center line printing device for tire constituent material and method for molding tire constituent material |
| JP2011-260797 | 2011-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103129159A CN103129159A (en) | 2013-06-05 |
| CN103129159B true CN103129159B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210473363.8A Expired - Fee Related CN103129159B (en) | 2011-11-29 | 2012-11-20 | The forming method of tire constituent material center line printing equipment and tire constituent material |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5547168B2 (en) |
| CN (1) | CN103129159B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013795B (en) * | 2020-08-24 | 2022-02-01 | 赛轮集团股份有限公司 | Method for confirming alignment of tire building crown assembly and tire cylinder assembly and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02188351A (en) * | 1988-12-23 | 1990-07-24 | Vmi Epe Holland Bv | Centering apparatus |
| JPH0584849A (en) * | 1991-09-26 | 1993-04-06 | Yokohama Rubber Co Ltd:The | Method for automatically supplying and bonding strip like material |
| CN1895876A (en) * | 2005-07-14 | 2007-01-17 | 韩国轮胎株式会社 | Tire tread auto-joint sensing apparatus |
| JP2007276215A (en) * | 2006-04-04 | 2007-10-25 | Yokohama Rubber Co Ltd:The | Manufacturing method of tire reinforcing member with edge tape and manufacturing method of pneumatic tire |
| WO2010106185A3 (en) * | 2009-03-17 | 2010-11-18 | Bridgestone Corporation | Tyre production method and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0542765A (en) * | 1991-08-13 | 1993-02-23 | Sumitomo Rubber Ind Ltd | Method for marking rubber product |
-
2011
- 2011-11-29 JP JP2011260797A patent/JP5547168B2/en not_active Expired - Fee Related
-
2012
- 2012-11-20 CN CN201210473363.8A patent/CN103129159B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02188351A (en) * | 1988-12-23 | 1990-07-24 | Vmi Epe Holland Bv | Centering apparatus |
| JPH0584849A (en) * | 1991-09-26 | 1993-04-06 | Yokohama Rubber Co Ltd:The | Method for automatically supplying and bonding strip like material |
| CN1895876A (en) * | 2005-07-14 | 2007-01-17 | 韩国轮胎株式会社 | Tire tread auto-joint sensing apparatus |
| JP2007276215A (en) * | 2006-04-04 | 2007-10-25 | Yokohama Rubber Co Ltd:The | Manufacturing method of tire reinforcing member with edge tape and manufacturing method of pneumatic tire |
| WO2010106185A3 (en) * | 2009-03-17 | 2010-11-18 | Bridgestone Corporation | Tyre production method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5547168B2 (en) | 2014-07-09 |
| CN103129159A (en) | 2013-06-05 |
| JP2013111876A (en) | 2013-06-10 |
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