CN103129159A - Printing device for central line of tyre constituent material and shaping method for tyre constituent material - Google Patents
Printing device for central line of tyre constituent material and shaping method for tyre constituent material Download PDFInfo
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- CN103129159A CN103129159A CN2012104733638A CN201210473363A CN103129159A CN 103129159 A CN103129159 A CN 103129159A CN 2012104733638 A CN2012104733638 A CN 2012104733638A CN 201210473363 A CN201210473363 A CN 201210473363A CN 103129159 A CN103129159 A CN 103129159A
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- constituent material
- tire constituent
- center line
- cushion
- center
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Abstract
The invention provides a printing device for a central line of tyre constituent material and a shaping method for the tyre constituent material. Even when a cover plate is adhered to two end portions of the tyre constituent material, an off-centre phenomenon when the off centre is adhered to an adhering roller can be inhibited. The printing device for the central line of the tyre constituent material comprises a transmission unit of the tyre constituent material, a printer for printing the central line at a central position of the tyre constituent material in a no-contact manner, and a centering mechanism for enabling the central position of the tyre constituent material to be in accordance with the printing position of the printer, wherein the printer is disposed at an upstream side of the cover plate adhering device. The shaping method for the tyre constituent material comprises a centering process of the tyre constituent material, a printing process of printing the central line at the central position of the tyre constituent material in the non-contact manner; an adhering process of the cover plate; and a shaping process for making the central line of the tyre constituent material adhered with the cover plate in accordance with the center of the adhering roller and for adhering the tyre constituent material to the adhering roller.
Description
Technical field
The present invention relates to for the tire constituent material medially being pasted on paste cylinder and on the tire constituent material center line printing equipment of the tire constituent material of print center line and make the tire constituent material at the forming method of pasting cylinder tire constituent material placed in the middle.
Background technology
When tire building, in the time of on cushion (example of tire constituent material) being pasted on the stickup cylinder, change between two parties for the center that makes cushion is consistent with the center of pasting cylinder (for example, patent documentation 1).
And then, do not occuring in the off-centered situation of cushion, the ground connection shape of tire, ground pressure form in table symmetrical, tire is when forward and the cross force deviation in when counter-rotating (Lateral Force Deviation: the mean value of the change of the cross force of tire) identical, so tapering reduces.
Yet, occuring in the off-centered situation of cushion, the ground connection shape of tire, ground pressure distribute and become asymmetric in table, so can produce difference between the cross force deviation of tire when forward and during counter-rotating, make thus tapering increase.
Fig. 3 is the chart that departs from the relation between the tapering N that measures a and tire in the 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 as can be known: the center amount of the departing from a(absolute value of cushion) larger, larger on the impact of the tapering N of tire.
Patent documentation 1: Japanese kokai publication sho 61-237626 communique
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 in the situation that emulsion sheet is pasted on the both ends of the tire constituent materials such as cushion, also can suppress to depart from the center phenomenon when pasting cylinder and paste.
The center line printing equipment of the tire constituent material of the invention of technical scheme 1 is characterised in that to possess:
Supply unit, this supply unit is carried the tire constituent material of strip along long side direction;
Printer, this printer in non-contacting mode at the center of described tire constituent material print center line; And
Placed in the middleization mechanism utilizes described supply unit to carry described tire constituent material on one side this changes mechanism between two parties, Yi Bian make the center of described tire constituent material consistent with the print position of described printer,
Described printer is provided in the upstream side of emulsion sheet sticker, and this emulsion sheet sticker is pasted on emulsion sheet the two side ends of described tire constituent material.
The center line printing equipment of the tire constituent material of putting down in writing according to technical scheme 1, the invention of technical scheme 2 be characterised in that, described printing mechanism becomes by printing described center line to described tire constituent material irradiation laser.
The forming method of the tire constituent material of the invention of technical scheme 3 is characterised in that to possess following operation:
Chemical industry order placed in the middle is carried out placed in the middleization of tire constituent material;
Print operation, the center print center line of the described tire constituent material in non-contacting mode after placed in the middleization;
Emulsion sheet is pasted operation, emulsion sheet is pasted on the two side ends of printing the described tire constituent material that described center line is arranged; And
Molding procedure makes the described center line of the described tire constituent material that is pasted with described emulsion sheet consistent with the center of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder.
The forming method of the tire constituent material of putting down in writing according to technical scheme 3, the invention of technical scheme 4 is characterised in that, in described molding procedure, make the center line of described tire constituent material consistent with the irradiation position of described laser by the laser to placed in the middleization of the center irradiation use of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder.
The forming method of the tire constituent material of putting down in writing according to technical scheme 3 or technical scheme 4, the invention of technical scheme 5 is characterised in that, also comprise the judgement operation, after described tire constituent material is pasted on described stickup cylinder, utilize camera to spread all over complete cycle ground and measure described cushion on described stickup cylinder, reach the regulation area in the measurement category of described center line at camera of described cushion when above, be judged to be the center of pasting cylinder consistent with the center of cushion.
According to the present invention, even in the situation that emulsion sheet is pasted on the both ends of tire constituent material, also can suppress to depart from the center phenomenon when pasting cylinder and paste, can reduce thus the probability that the tapering of tire produces.
Description of drawings
Fig. 1 is the stereogram of manufacturing installation of the cushion of the schematically illustrated center line printing equipment that comprises the cushion that embodiments of the present invention are related.
Fig. 2 is the figure that cushion is shown, and is (A) its top view, is (B) its cutaway view.
Fig. 3 is the chart that the relation between the tapering of the center amount of departing from of cushion and tire is shown.
Description of reference numerals: 1 ... the center line printing equipment; 2 ... transport conveyer belt (supply unit); 3 ... placed in the middleization mechanism; 4 ... printer; 5 ... the emulsion sheet sticker; 6 ... cutting device; 7 ... compression bonding apparatus; 8 ... coiler device; 9 ... cushion (tire constituent material); 10a, 10b ... emulsion sheet; 30a～32b ... guide pin; 40 ... laser oscillation apparatus; 50 ... rotating shaft; 52a, 52b ... the emulsion sheet supply roll; 60,70 ... transport conveyer belt; 90 ... cord; 92 ... rubber; 94 ... center line; L ... laser; W1 ... the cushion width; W2 ... the center line width; D ... the degree of depth of center line; θ ... the cushion angle.
The specific embodiment
Below,, the center line printing equipment of tire constituent material and the embodiment of forming method are described with reference to accompanying drawing take cushion as example as the tire constituent material.
Fig. 1 is the stereogram of manufacturing installation of the cushion of the schematically illustrated center line printing equipment that comprises the cushion that embodiments of the present invention are related.Fig. 2 is the figure that cushion is shown, and is (A) its top view, is (B) its cutaway 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 along long side direction and carries the transport conveyer belt 2 of rectangular cushion (tire constituent material) 9, changes mechanism 3, printer 4 between two parties.
Herein, as shown in Fig. 2 (A), (B), cushion 9 comprises the layer of the cord 90 made by 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 long side direction with respect to cushion 9 and has constant angle (below, be called the cushion angle) θ.In addition, cushion angle θ is set as 15 °～60 °, cushion width W 1 is set as 60mm～300mm.
(1) change between two parties mechanism
Placed in the middleization mechanism 3 has two groups of guide pin 30a, 30b, 32a, the 32b along the throughput direction alignment arrangements of transport conveyer belt 2.The interval of one group of guide pin 30a, 30b can be adjusted accordingly with the width W 1 of cushion 9.Equally, the interval of another group guide pin 32a, 32b also can synchronously be adjusted with the movement of guide pin 30a, 30b.Two groups of guide pin 30a, 30b, 32a, 32b have the function that mutual association makes rectangular cushion 9 placed in the middleization on the width of cushion 9 movingly.
(2) printer
Printer 4 is with the non-contacting mode of cushion 9, this cushion 9 is printed along the device of the center line of long side direction extension.Printer 4 has laser oscillation apparatus 40, to tire constituent material 9 irradiation laser L, makes the rubber 92 of cushion 9 that thermal change (or chemical reaction) occur, thereby can print the center line 94 that extends along long side direction.Center line 94 is the arbitrary shapes such as linearity, dotted line shape.In the present embodiment, as shown in Figure 2, center line 94 is formed linearity, and its width W 2 is made as 0.2mm～2.0mm, depth d is made as 0.05mm～0.5mm.And, the irradiation temperature of laser is made as 110 ℃ (beginning blowing temperatures)～350 ℃ (beginning ignition temperature).
In addition, as long as printer 4 can be not limited to the printing based on Ear Mucosa Treated by He Ne Laser Irradiation with cordless print center line, can be also with the structure of the mode of ink jet non-contactly.
(3) emulsion sheet sticker
(4) other
As shown in Figure 1, the upstream side at center line printing equipment 1 disposes cutting device 6, compression bonding apparatus 7 for the severing of casing ply material is become given size.And, dispose emulsion sheet sticker 5, coiler device 8 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, comprise the manufacturing installation of the cushion of the center line printing equipment of the cushion of formation in the above described manner by use, paste operation through severing operation, crimping process, Ear Mucosa Treated by He Ne Laser Irradiation operation and emulsion sheet, and the cushion that will print own centre line in the coiling operation temporarily is wound in coiler device 8, and then it is pasted on the stickup cylinder.
2. the forming method of tire constituent material
The forming method of the tire constituent material of present embodiment is to use center line printing equipment 1 to make cushion 9 on one side with respect to pasting the method that cylinder is changed between two parties, paste to the stickup cylinder on one side.
(1) as shown in Figure 1, utilize the cutting machine of the cutting device 6 of the upstream side that is equipped on center line printing equipment 1 cushion 9 to be cut into the cushion width W 1 of regulation.Cushion 9 compression bonding apparatus 7 downstream after utilizing the transport conveyer belt 60 of cutting device 6 to cut is sent into.Compression bonding apparatus 7 utilizes press-connection machine, the leading section of sending the cushion 9 after the cutting that comes to is crimped on the rearward end of cushion 9 formerly, thereby will both connects.
(2) be sent to the center line printing equipment 1 in downstream with the transport conveyer belt 70 that cushion 9 after formerly cushion is connected is crimped device 7, on one side utilize transport conveyer belt 2 that it is carried, on one side utilize placed in the middleization mechanism 3 make its on the width of cushion 9 between two parties.
(3) then, utilize transport conveyer belt 2 to carry cushion 9 on one side, utilize on one side from the laser L of printer 4 irradiations to make the rubber 92 of cushion 9 that thermal change (or chemical reaction) occur, thereby will print on along the center line 94 that long side direction extends the center of cushion 9.
(4) cushion 9 of printing own centre line 94 is transferred conveyer belt 2 and further carries, utilizes the labelling machine of emulsion sheet sticker 5 will be pasted on from emulsion sheet 10a, the 10b of emulsion sheet sticker 5 supplies the left and right end portions of above-mentioned cushion 9.
(5) cushion 9 that utilizes 8 pairs of coiler devices to be pasted with after emulsion sheet 10a, 10b is reeled.
(6) for the cushion 9 after reeling, make the center line 94 that utilizes laser printing consistent with the center of pasting cylinder, and it is pasted on the stickup cylinder and moulding.Particularly, for example, to the placed in the middleization laser of the irradiation accompanying drawing outside, center of pasting cylinder, the position of center line that makes cushion 9 is consistent with the irradiation position of laser and carry out placed in the middleization of cushion 9, and cushion 9 is pasted on the stickup cylinder.
(7) and, whether consistent judgement is to utilize the camera measurement to carry out efficiently to the center of the stickup cylinder after stickup and the center line of cushion 9 94.That is, be pasted on paste the cushion 9 on cylinder center line 94 around a circle during in, which kind of degree the area of judgement center line 94 is received in the camera measurement category.For example, if in the rectangular camera measurement category of 8 pixels (approximately 3.2mm) * 244 pixels (approximately 97.6mm), it is 500 pixels above (threshold values can Set arbitrarily) that the area of center line 94 is taken in, the center line 94 that is judged as cushion 9 does not misplace, on the contrary, if below 500 pixels, be judged as dislocation or produced bending.
(8) in addition, although the cushion 9 that utilizes in the above embodiment coiler device 8 temporarily will be pasted with emulsion sheet 10a, 10b is reeled, also can not be wound device 8 and reel, carry out moulding but directly be pasted on to paste on cylinder.
3. the effect of present embodiment
(1) according to present embodiment, from the upstream side of transport conveyer belt 2 downstream side be equipped with in order: therefore the placed in the middleization mechanism 3 of center line printing equipment 1, with printer 4 and the emulsion sheet sticker 5 of cordless print center line 94 can print on cushion 9 with center line 94 before pasting emulsion sheet 10a, 10b.
(2) and then, when carrying out tire building, can not be subject to the impact of emulsion sheet 10a, 10b, can cushion 9 be pasted on based on the center line 94 of correct printing and paste on cylinder.
Therefore (3) can not be subject to the harmful effect of emulsion sheet 10a, 10b, its result can correctly be pasted on cushion 9 and paste on cylinder, and that can suppress cushion departs from the center phenomenon, thereby can reduce the tapering of tire.
(4) and, therefore because the irradiation (cordless) by laser L prints, can not apply mechanical wearing and tearing, impact to cushion 9, thereby be difficult to produce the damage of cushion 9, the dislocation of center line 94 etc.And, due to also not with an organic solvent, therefore hardly natural environment is caused burden.
(5) and, as mentioned above, owing to laser, cushion 9 being pasted on the stickup cylinder to center irradiation placed in the middleization of pasting cylinder, so can be 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 the judgement operation, judge whether consistent efficiently and fast method of the center line used in operation by the center that utilizes the camera measurement to judge to paste cylinder and cushion at this, so can further reduce the tapering of tire.
Embodiment
1. the evaluation of taper value (CON value)
The present embodiment is to utilize the center line printing equipment 1 of above-mentioned embodiment to make the cushion 9 with emulsion sheet 10a, 10b of printing own centre line 94, and the example that utilizes 9 pairs of tires of this cushion to carry out moulding.
Comparative example is not form center line on the cushion 9 with emulsion sheet 10a, 10b, but only uses placed in the middleization guiding piece tire to be carried out the example of moulding.
About embodiment, comparative example, made 1000 tires, and obtained taper value, standard deviation and mortality (disqualification rate).
Table 1
| The 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 |
According to table 1 as can be known, the CON value of " embodiment " is 4.8, less than " comparative example " 5.3, and the standard deviation of " embodiment " is 15.4, less than " comparative example " 28.3, under good production management, the fraction defective (mortality) of tire significantly is reduced to 1.3% from 16.5% of existing methodical comparative example.
2. the evaluation of printer
(1) embodiment utilizes the printer of laser type to come the example of print center line 94.Comparative example 1 is to utilize the printer of pen type to come the example of print center line 94.Comparative example 2 is to utilize the printer of pin type to come the example of print center line 94.
(2) for embodiment and comparative example, estimated the line dislocation of center line, the damage that cushion (product) is caused and the burden that natural environment is caused.
Table 2 pair three kinds of printers show evaluation result.In table 2, the order according to " ◎ ", " o ", " △ " and " * " from the evaluation of excellence illustrates successively.
Table 2
Can confirm according to table 2: with cordless, that printer (printer of " embodiment ") the whichever assessment item that center line 94 prints on the laser type of cushion 9 is all very excellent.
Although abovely describe the present invention based on embodiment, the present invention is not limited to above-mentioned embodiment.In or the scope that be equal to identical with the present invention, can apply various changes to above-mentioned embodiment.
Claims (5)
1. the center line printing equipment of a tire constituent material is characterized in that possessing:
Supply unit, this supply unit is carried the tire constituent material of strip along long side direction;
Printer, this printer in non-contacting mode at the center of described tire constituent material print center line; And
Placed in the middleization mechanism utilizes described supply unit to carry described tire constituent material on one side this changes mechanism between two parties, Yi Bian make the center of described tire constituent material consistent with the print position of described printer,
Described printer is provided in the upstream side of emulsion sheet sticker, and this emulsion sheet sticker is pasted on emulsion sheet the two side ends 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. the forming method of a tire constituent material, is characterized in that, comprises following operation:
Chemical industry order placed in the middle is carried out placed in the middleization of tire constituent material;
Print operation, the center print center line of the described tire constituent material in non-contacting mode after placed in the middleization;
Emulsion sheet is pasted operation, emulsion sheet is pasted on the two side ends of printing the described tire constituent material that described center line is arranged; And
Molding procedure makes the described center line of the described tire constituent material that is pasted with described emulsion sheet consistent with the center of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder.
4. the forming method of tire constituent material according to claim 3, is characterized in that,
In described molding procedure, make the center line of described tire constituent material consistent with the irradiation position of described laser by the laser to placed in the middleization of the center irradiation use of pasting cylinder, and described tire constituent material is pasted on described stickup cylinder.
5. the forming method of according to claim 3 or 4 described tire constituent materials, is characterized in that,
Also comprise the judgement operation, after described tire constituent material is pasted on described stickup cylinder, utilize camera to spread all over complete cycle ground and measure described cushion on described stickup cylinder, reach the regulation area in the measurement category of described center line at camera of described cushion when above, be judged to be the center of pasting cylinder consistent with the center of cushion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-260797 | 2011-11-29 | ||
| JP2011260797A JP5547168B2 (en) | 2011-11-29 | 2011-11-29 | Center line printing device for tire constituent material and method for molding tire constituent material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103129159A true CN103129159A (en) | 2013-06-05 |
| CN103129159B CN103129159B (en) | 2015-09-09 |
Family
ID=48489886
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013795A (en) * | 2020-08-24 | 2020-12-01 | 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 |
| WO2010106185A2 (en) * | 2009-03-17 | 2010-09-23 | 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 |
| WO2010106185A2 (en) * | 2009-03-17 | 2010-09-23 | Bridgestone Corporation | Tyre production method and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013795A (en) * | 2020-08-24 | 2020-12-01 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013111876A (en) | 2013-06-10 |
| CN103129159B (en) | 2015-09-09 |
| JP5547168B2 (en) | 2014-07-09 |
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Granted publication date: 20150909 Termination date: 20191120 |