CN104226549A - Identification line coating device and method for manufacturing pneumatic tires - Google Patents
Identification line coating device and method for manufacturing pneumatic tires Download PDFInfo
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- CN104226549A CN104226549A CN201410138166.XA CN201410138166A CN104226549A CN 104226549 A CN104226549 A CN 104226549A CN 201410138166 A CN201410138166 A CN 201410138166A CN 104226549 A CN104226549 A CN 104226549A
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- line
- coating
- identification line
- green tire
- tire
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Abstract
The invention provides an identification line coating device and a method for manufacturing pneumatic tires, wherein the identification line coating device prevents zigzag or bending of the identification line because of inferior embedding with a wheel rim in setting the identification line on the tire which is manufactured according to a tape wrapping method, and furthermore the identification line coating device can sufficiently exert advantages of the tape wrapping method without a wide setting place or additional steps and furthermore performs more effective tire manufacturing. The identification line coating device coats the identification line on the tire surface of a raw tire which is manufactured according to the tape wrapping method. The identification line coating device is provided with the components of: a transfer ring which is configured in a manner of separating from the outer peripheral part of a shaping device that keeps the raw tire and makes the raw tire rotate for a prescribed distance; a line coating device which is kept at the inner peripheral side of the transfer ring and coats paint on the tire surface of the rotating raw tire for forming the identification line; and a transfer ring movement unit which makes the transfer ring move in the width direction of the raw tire.
Description
Technical field
The present invention relates to the airtyred manufacture method identifying line painting device and use described identification line painting device.
Background technology
In recent years, as the manufacture method of tire, following methods is widely adopted: rubber strip (rubber strip) narrow for width is wound as helical form and forms the rubber section materials such as tread rubber to manufacture the winding method of green tire (unvulcanized tire).
When manufacturing such tire, generally speaking, when laterally to bank up etc., in order to easily identify the size and kind etc. of tire and carry out, identification line is set in the circumference of the tread surface of green tire, in above-mentioned winding method, owing to being wound as helical form to form tyre surface, be therefore difficult to the coating carrying out identifying line when manufacturing green tire, but identify line (such as, patent document 1) in the tire coating that sulfuration is complete.
Patent document 1: Japanese Unexamined Patent Publication 2007-83511 publication.
But, line is identified in order to be formed in the tread surface of the complete tire of sulfuration, then need make bead part be embedded in wheel rim and tire is fixed, then form identification line by making tire rotation apply coating, therefore cannot avoid producing following variety of problems, so that require the manufacture method of more effective tire.
Specifically, when causing the center of wheel rim and the center of tire to be misfitted because wheel rim and the Qian He of bead part are bad, the bead part of the tire likely making the sulfuration of rotation complete is damaged.Further, if apply coating under wheel rim bad state chimeric with bead part, producing and identify wriggling or bending of line, therefore needing identifying that the formation of line is revised.Particularly, low flat tire is more difficult to be embedded in wheel rim than high flat tire, and therefore such correction formed identification line can occur mostly.
In addition, such identification line coating operation is set to identification line coating operation special after vulcanization process, therefore cannot the maximization of avoiding device, and needs correspondingly to guarantee setting place broad fully.But the place that arranges of this additional process and broadness also becomes and hinders winding rubber strip and form rubber section material successively and carry out stacked and can realize the principal element of the advantage of miniaturized winding method.
In addition, identifying line in order to the tire after sulfuration is formed, there is no additive method except using spray gun to apply except coating.But easily there is pigment blocking in spray gun, its result, exists the problem of pigment cost increase.
Summary of the invention
Therefore, problem of the present invention is to provide a kind of tire made using winding method to arrange can not to produce because of bad with Qian He of wheel rim when identifying line and identifies the sinuous of line or bend and the advantage of winding method just can be made to be given full play to without the need to the setting place of broadness and additional process and then more effectively carry out the identification line painting device of manufacture of tire and airtyred manufacture method.
Invention described in technical scheme 1 is for a kind of by being wound as helical form by rubber strip and carrying out stacked and the tread surface of green tire that is that make forms the identification line painting device identifying line, and it is characterized in that, described identification line painting device possesses:
Transmission ring, this transmission ring is configured with keeping described green tire the distance that the peripheral part of the calibrator making this green tire rotate separates regulation;
Line coating unit, this line coating unit is held in the inner circumferential side of described transmission ring, and the tread surface coating coating to the described green tire rotated forms identification line; And
Transmission ring mobile unit, this transmission ring mobile unit makes described transmission ring move along the width of described green tire.
Invention described in technical scheme 2, on the basis of the identification line painting device described in technical scheme 1, is characterized in that,
Described coating be after application 90 seconds with the rapid-drying properties coating of inner drying, solidification.
Invention described in technical scheme 3, on the basis of the identification line painting device described in technical scheme 1 or 2, is characterized in that,
The coating speed of described coating is 3 ~ 30m/min.
Invention described in technical scheme 4, on the basis of the identification line painting device described in any one in technical scheme 1 to 3, is characterized in that,
Described line coating unit is the line coating unit of gun type or coating roll shape.
Invention described in technical scheme 5, on the basis of the identification line painting device described in technical scheme 4, is characterized in that,
Described line coating unit is the line coating unit of coating roll shape,
The slot form of the applicator roll of the line coating unit of described coating roll shape is any one in V-shaped, trapezoidal and block shape.
Invention described in technical scheme 6 is a kind of airtyred manufacture method, formed identifying line by rubber strip being wound as helical form and carrying out the stacked and tread surface of green tire that is that make, manufacture pneumatic tire, the feature of described airtyred manufacture method is to possess:
Green tire forming process, the bead part of described green tire is held in calibrator and make described green tire rotate while, the tyre surface of described green tire is crimped with carcass, makes described green tire expand into ring-type and be configured as the shape of regulation; And
Identify line formation process, use the identification line painting device described in any one in claim 1 to claim 5, carry out the tread surface coating coating of the described green tire rotated in the state being held in described calibrator and form identification line.
According to the present invention, a kind of can not generation because of bad with Qian He of wheel rim when the tire made arranges and identifies line using winding method can be provided to identify the sinuous of line or bend and the advantage of winding method just can be made to be given full play to without the need to the setting place of broadness and additional process and then more effectively carry out the identification line painting device of manufacture of tire and airtyred manufacture method.
Accompanying drawing explanation
Fig. 1 is front view and the side view of the major part of the airtyred manufacturing installation schematically illustrating an embodiment of the invention.
Fig. 2 is the stereogram of a part for the identification line painting device illustrated involved by an embodiment of the invention.
Fig. 3 is the side view of a part for the applicator roll of the identification line painting device illustrated involved by an embodiment of the invention.
Fig. 4 is the front view of the airtyred manufacture method schematically illustrated involved by an embodiment of the invention.
Fig. 5 schematically illustrates other the front view of the airtyred manufacture method involved by embodiment of the present invention.
Fig. 6 illustrates other the figure of coating position of the identification line involved by embodiment of the present invention.
Description of reference numerals
1: identify line painting device; 2: calibrator; 11: transmission ring; 12: line coating unit; 12a: main part; 12b: applicator roll; 12c: coating acceptance division; 21: sizing axle; 22: shaping air bag; 23: tread roller; B: bead part; B1: the tire tread block of formation; CL: the center of tyre surface; G: greenness identification line; R: red identification line; T: green tire; TR: tyre surface.
Detailed description of the invention
Below, be also described with reference to accompanying drawing based on embodiment of the present invention.
1. airtyred manufacturing installation
Fig. 1 is the major part figure of the airtyred manufacturing installation schematically illustrating present embodiment, and (a) is front view, and (b) is side view.As shown in Figure 1, the airtyred manufacturing installation of present embodiment possesses identification line painting device 1 and calibrator 2.T is green tire, and B is the bead part of green tire.
(a) calibrator
As shown in Figure 1, calibrator 2 possesses sizing axle 21, shaping air bag 22 and tread roller 23, possesses not shown main part and bead lock bonding part in addition.
The green tire T that main part is made using winding method as shown in Figure 1 keeps.The left and right sides of main part is located in bead lock bonding part, is fixed (locking) by bead part B as shown in Figure 1.Sizing axle 21 makes main part rotate.Shaping air bag 22, makes main part rotate accordingly with the rotation of sizing axle 21, the sidewall expanding into the green tire T of ring-type is carried out anti-package with the state clamping tyre bead B.The pressing of the tread surface of the green tire T of rotation is crimped on carcass by tread roller 23.In addition, tread roller 23 leave except when crimping green tire T and regulation position standby.
B () identifies line painting device
As shown in Figure 1, identify that line painting device 1 possesses transmission ring (TRF) 11 and line coating unit 12, possess not shown paint feeding device and transmission ring mobile unit in addition.
Transmission ring (TRF) 11 with keep green tire T and the distance that the peripheral part of the main part of the calibrator 2 that green tire T is rotated separates regulation is configured, and be set to move along the width of green tire.
Line coating unit 12 is held in the inner circumferential side of transmission ring 11, and paint is formed identification line in the tread surface of the green tire T rotated.
Paint feeding device supplies coating to line coating unit 12.
Transmission ring mobile unit makes transmission ring 11 move along the width of green tire T and make transmission ring 11 be parked in the forming position identifying line, and makes transmission ring 11 move to position of readiness after identification line is formed.
(c) line coating unit
Line coating unit 12 possesses main part 12a and is held in the applicator roll 12b of main part 12a, by the paint supplied from paint feeding device to applicator roll 12b is formed identification line in the tread surface of green tire T.In addition, in FIG, although line coating unit 12 is only configured to one, as described belowly multiple line coating unit 12 can also be configured.Many identification lines can be formed with polychrome by configuring multiple line coating unit 12.
Fig. 2 is the stereogram of a part for the identification line painting device illustrated involved by an embodiment of the invention, and it represents amplifying near line coating unit.The main part 12a of line coating unit utilizes the paint feeding device of coating force feed Guan Yutu outside to link.Green tire T is kept (locking) in the main part of calibrator with the center of tire for pivot rotates towards the direction of arrow by making bead part B.
And, move to the applicator roll 12b(of the line coating unit of the assigned position of the width of green tire T with reference to Fig. 1), contact green tire T and rotate, via applicator roll 12b, coating being supplied in tread surface, thus in the circumference of the tread surface of the green tire T rotated, forming identification line.In addition, coating acceptance division 12c is provided with in below.
(d) applicator roll
Fig. 3 is the side view of a part for the applicator roll of the identification line painting device illustrated involved by an embodiment of the invention, by the outer peripheral face of applicator roll 12b being formed as the slot form of trapezoidal or (c) block shape of (a) V-shaped, (b), make it possible to coating more reliably stably to supply to the surface of tyre surface.In addition, the diameter of applicator roll 12b, gullet depth and tooth pitch can be suitable for setting according to the curvature of the physical property of the coating such as viscosity, tread surface and shape etc.The block shape of tooth depth, because the change of coating thickness (width) is large, the therefore bad order of line.Therefore compare block shape and preferably use V-shaped or trapezoidal.
The bad order of the line of above-mentioned piece of shape formation, even if but V-shaped or trapezoidally also can not occur to interrupt under coating has high viscosity, low viscous situation or from the blocking of paint feeding device etc., and ink stably can be applied with fixing thickness (width).
In addition, above-mentionedly middlely applicator roll to be illustrated as line coating unit, but also can to use paint sprayer etc.But for gun shaped, likely can occur pigment the same as spray gun blocks, and therefore preferably uses applicator roll.
2. airtyred manufacture method
Next, the airtyred manufacture method involved by present embodiment is described.
Fig. 4 is the front view of the airtyred manufacture method schematically illustrated involved by present embodiment, it illustrates the forming step of the green tire when formation one redness identifies line.
First, as shown in Figure 4 (a), by rubber strip (rubber strip) being wound as helical form and carrying out the bead part B that stacked (winding method) forms the green tire T of tyre surface, the bead lock bonding part of calibrator main part will be fixed on.
Next, rotate by making sizing axle 21 rotate the green tire T making to be fixed on calibrator main body.Now, use tread roller 23 pairs of tyre surfaces to press, thus tyre surface is crimped with carcass.
At the end of the crimping of tyre surface and carcass, then as shown in Figure 4 (b), tread roller 23 is left from green tire T.Wherein, green tire T is made to continue to keep rotating.
Next, as shown in Figure 4 (c), transmission ring (TRF) 11 is moved to and identifies line coating position, make to be supplied to the applicator roll 12b(of encrimson with reference to Fig. 1 from paint feeding device) contact with tread surface and rotate.Thus, a red identification line R is formed on the surface of the green tire T of Xuan Zhuaning.
As coating, preferably use quick-acting coating, specifically, preferably after application will the coating of rapid-drying properties of dry, solidification within 90 seconds.In addition, 3 ~ 30m/min of the superficial velocity of green tire is preferably as coating speed.
At the end of the formation identifying line R, make applicator roll 12b leave tread surface, and make transmission ring 11 move to position of readiness (Fig. 4 (d)).
Afterwards, as shown in Fig. 4 (e), by means of shaping air bag 22 to clamp the tire sidepiece anti-package of mode by green tire T of bead part B, complete the manufacture to the green tire with identification line.
Fig. 5 is the front view of the airtyred manufacture method involved by embodiment schematically illustrating other, it illustrates and defines the forming step that two identify the green tire of line (red identification line R and greenness identification line G).In addition, in the present embodiment, the operation except (c) shown in Fig. 4 is same as described above, illustrate only the operation of (c) and (d) of Fig. 4 in Fig. 5.
As shown in Fig. 5 (c-1), in the present embodiment, at the transmission ring 11 of the painting device of identification line, the formation of red identification line is installed and is formed with two line coating units 12R, 12G with greenness identification line.
For completing the green tire that crimp of tyre surface with carcass, as shown in Fig. 5 (c-1), first, making transmission ring (TRF) 11 move to initial identification line coating position (forming position of red line R), forming red identification line R as described above.
At the end of the formation of redness identification line R, as shown in Fig. 5 (c-2), make transmission ring (TRF) 11 move to next identification line coating position (forming position of green line G), similarly form greenness identification line G.
At the end of the formation of greenness identification line G, transmission ring 11 is made to move to position of readiness (Fig. 5 (d)).
Fig. 6 is the figure of identification line coating position when above-mentioned formation 2 identification line is shown.In addition, in figure 6, the tyre tread shape formed of the tyre surface TR after dotted line represents sulfuration, longitudinal chain-dotted line (CL) represents the center of tyre surface TR, in addition longitudinal chain-dotted line represents the stop position of line coating unit 12R and line coating unit 12G, redness identifies that line R and greenness identification line G these two identifies line, is being formed in a pattern block upper staggered positions of (tire tread block of formation) Bl of tread surface formation by sizing.
In addition, formation one is identified that the situation of line and formation two identify that the situation of lines is illustrated in above-mentioned, but the present invention is not limited thereto, and also can form more than three and identify line.
3. the effect of present embodiment
In the present embodiment, effect as described below is obtained.
(1) when forming identification line, the green tire that will not be formed temporarily takes off from calibrator and again keeps, but forms identification line at the green tire being kept by tyre bead (locking) in the state of calibrator, therefore can not occur chimeric bad.
Its result, can not be formed and wriggle or bending identification line, thus can provide the tire that improve exterior quality.
(2) identify that the situation of line is different from being formed after vulcanization process, without the need to arranging large-scale special identification line coating operation, rubber strip being reeled therefore, it is possible to give full play to and forms rubber components successively and by its stacked brought advantage that can realize miniaturized such winding method.
In the past, when utilizing winding method to manufacture green tire, be difficult to the coating carrying out identifying line, but according to the present invention, by carrying out the coating identifying line in the operation kept the tyre bead being assembled with green tire, thus can easily form identification line when manufacturing green tire.
Embodiment
Below, the present invention is carried out more specifically bright based on embodiment.
1. identify the formation of line
(embodiment)
Tire size: A size ... 235/35R19B size ... 245/45R19C size ... 245/50R19
Identify the formation of line: the formation method using the identification line described in described embodiment, form 100 bluenesss at the tire of above-mentioned A size, B size and C size respectively, identification line that redness and green 1 ~ 2 (according to tire difference) combine.
Applicator roll: slot form ... V-shaped
Coating speed: surface of tyre speed ... 20m/min
Coating: quick-acting coating
(comparative example)
With with the tire of embodiment same size, identical number for object, use after curing spray gun formed homochromy with embodiment, with the identification line of number.
2. evaluation method, evaluation result
(embodiment, comparative example)
Result inspection is completed, to identify that frequency evaluation revised by line coating (again mark identify line) to what identify line by range estimation.
Evaluation result is as shown in table 1.Wherein, evaluate as follows in Table 1: revise frequency be the situation of 0% for " excellent ", the situation of less than 3% that is in more than 0% for " good ", more than 3% and the situation being less than 5% is "available", more than 5% be " can not ".
Table 1
| ? | A size | B size | C size |
| Embodiment | Excellent | Excellent | Excellent |
| Comparative example | Can not | Good | Good |
Can confirm according to table 1: embodiment is not only for the A sized tyre as low flat tire, and it is 0% that frequency is revised in its identification line coating of tire for arbitrary dimension, can suppress the generation revised significantly.
Above, describe the present invention based on embodiment, but the present invention is not limited to above-mentioned embodiment.In the scope identical and impartial with the present invention, various change can be implemented to above-mentioned embodiment.
Claims (6)
1. identify a line painting device, by rubber strip being wound as helical form and carrying out stacked and the tread surface of green tire that is that make forms identification line, it is characterized in that,
Described identification line painting device possesses:
Transmission ring, this transmission ring is configured with keeping described green tire the distance that the peripheral part of the calibrator making this green tire rotate separates regulation;
Line coating unit, this line coating unit is held in the inner circumferential side of described transmission ring, and the tread surface coating coating to the described green tire rotated forms identification line; And
Transmission ring mobile unit, this transmission ring mobile unit makes described transmission ring move along the width of described green tire.
2. identification line painting device according to claim 1, is characterized in that,
Described coating be after application 90 seconds with the rapid-drying properties coating of inner drying, solidification.
3. identification line painting device according to claim 1 and 2, is characterized in that,
The coating speed of described coating is 3 ~ 30m/min.
4. identification line painting device according to claim 1 and 2, is characterized in that,
Described line coating unit is the line coating unit of gun type or coating roll shape.
5. identification line painting device according to claim 4, is characterized in that,
Described line coating unit is the line coating unit of coating roll shape,
The slot form of the applicator roll of the line coating unit of described coating roll shape is any one in V-shaped, trapezoidal and block shape.
6. an airtyred manufacture method, is being formed and identifies by rubber strip being wound as helical form and carrying out the stacked and tread surface of green tire that is that make and manufacture pneumatic tire by line,
The feature of described airtyred manufacture method is to possess:
Green tire forming process, the bead part of described green tire is held in calibrator and make described green tire rotate while, the tyre surface of described green tire is crimped with carcass, makes described green tire expand into ring-type and be configured as the shape of regulation; And
Identify line formation process, use the identification line painting device described in any one in claim 1 to claim 5, carry out the tread surface coating coating of the described green tire rotated in the state being held in described calibrator and form identification line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-119987 | 2013-06-06 | ||
| JP2013119987A JP6145321B2 (en) | 2013-06-06 | 2013-06-06 | Color line coating apparatus and method for manufacturing pneumatic tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104226549A true CN104226549A (en) | 2014-12-24 |
| CN104226549B CN104226549B (en) | 2018-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138166.XA Expired - Fee Related CN104226549B (en) | 2013-06-06 | 2014-04-08 | The manufacture method of identification line painting device and pneumatic tire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6145321B2 (en) |
| CN (1) | CN104226549B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149830A (en) * | 1999-11-25 | 2001-06-05 | Sumitomo Rubber Ind Ltd | Marking device |
| JP2002192061A (en) * | 2000-12-27 | 2002-07-10 | Toyo Seikan Kaisha Ltd | Method for picking up coating material or ink having brilliancy |
| WO2011118233A1 (en) * | 2010-03-25 | 2011-09-29 | 株式会社ブリヂストン | Method and device of drawing line on unvulcanized tire |
| US20120298286A1 (en) * | 2010-02-08 | 2012-11-29 | Micro-Poise Measurement Systems, Llc | Tire marking apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0318636A (en) * | 2003-12-12 | 2006-10-31 | Pirelli | process to manufacture a tire |
| JP4928105B2 (en) * | 2005-09-21 | 2012-05-09 | 住友ゴム工業株式会社 | Pneumatic tire manufacturing method and color line coating apparatus used therefor |
| JP2010069663A (en) * | 2008-09-17 | 2010-04-02 | Bridgestone Corp | Method and apparatus for manufacturing unvulcanized tire |
-
2013
- 2013-06-06 JP JP2013119987A patent/JP6145321B2/en active Active
-
2014
- 2014-04-08 CN CN201410138166.XA patent/CN104226549B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149830A (en) * | 1999-11-25 | 2001-06-05 | Sumitomo Rubber Ind Ltd | Marking device |
| JP2002192061A (en) * | 2000-12-27 | 2002-07-10 | Toyo Seikan Kaisha Ltd | Method for picking up coating material or ink having brilliancy |
| US20120298286A1 (en) * | 2010-02-08 | 2012-11-29 | Micro-Poise Measurement Systems, Llc | Tire marking apparatus |
| WO2011118233A1 (en) * | 2010-03-25 | 2011-09-29 | 株式会社ブリヂストン | Method and device of drawing line on unvulcanized tire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014237232A (en) | 2014-12-18 |
| JP6145321B2 (en) | 2017-06-07 |
| CN104226549B (en) | 2018-05-04 |
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