CN1712205A - Extrusion mould for tires with untistatic surfaces - Google Patents
Extrusion mould for tires with untistatic surfaces Download PDFInfo
- Publication number
- CN1712205A CN1712205A CNA2004100985457A CN200410098545A CN1712205A CN 1712205 A CN1712205 A CN 1712205A CN A2004100985457 A CNA2004100985457 A CN A2004100985457A CN 200410098545 A CN200410098545 A CN 200410098545A CN 1712205 A CN1712205 A CN 1712205A
- Authority
- CN
- China
- Prior art keywords
- mould
- tread
- tyre surface
- sub
- tire surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000004513 sizing Methods 0.000 claims description 20
- 230000003068 static effect Effects 0.000 claims description 18
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract 12
- 239000003292 glue Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D2030/526—Unvulcanised treads, e.g. on used tyres; Retreading the tread comprising means for discharging the electrostatic charge, e.g. conductive elements or portions having conductivity higher than the tread rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/002—Treads
Abstract
The invention provides an extrusion mould for tires with untistatic surfaces. The extrusion mould tire surface shape prevents the finished product tire from tire surface abrasion and makes the glue material with a good conductivity continuously contact with the ground. The extrusion mould comprises: tire surface pre-shaping mould and secondary tire surface pre-shaping mould riffled strip on the first mould bearing element. The first mould bearing element and the second mould bearing element are assembled by the upper pre-shaping mould and lower pre-shaping mould for flank. The separation projection are formed at two sides of the inclined groove on the tire surface pre-shaping mould for flowing to the secondary tire surface riffled strip glue material. The guide groove communicating to the inclined groove of the tire surface pre-shaping mould and other projection part corresponding to the projection part are formed on the secondary tire surface riffled strip guide pre-shaping mould between the secondary tire surface riffled strip pre-shaping mould and the tire surface pre-shaping mould. On the first mould bearing element, embedded type per-shaping mould are integrated with the tire surface pre-shaping mould and secondary tire surface riffled strip pre-shaping mould.
Description
Invention field
The present invention relates to the structure of employed extrusion die in the tyre surface extrusion molding of the tire that can be used for preventing tire static.In more detail, the present invention relates to the tyre surface extrusion die structure that such being used to prevents tire static, can carry out extrusion molding to form the limitation of the tread wear that is not subjected to the long-term use of finished tire and causes, the tyre surface pattern that the good sizing material of conductibility is contacted with ground constantly.
Background technology
As everyone knows, the static that is produced by the generator of vehicle discharges to the people by car body, to this proposed in the past multiple about the static that car body produced by tire technology to ground discharge.
Promptly, in tire in the past, the static discharge of the tire of forming for silica (silica) sizing material, have the other tread mix of better electric conductivity or even the sizing material of conduction and use, and be to have under the situation of tread mix of good electric conductivity at the former, in their both sides attached to tyre surface, the tyre surface flank (wing) that will have good electric conductivity extends to be extruded until the position, sidewall, contact between the side of tire and the tread mix of kiss the earth, thereby the static that car body is produced discharges earthward.
In addition, by the sub-tread of the latter's electric conductivity sizing material being extruded the surface that extends to tyre surface and contact, thereby constitute the structure of release electrostatic with ground.But, the tread structure that is used for preventing the tire of static in the past this, at the sheet with good electric conductivity of side attachment and even prolong the flank extruded or electric conductivity sizing material position because the wearing and tearing during driving, be difficult to guarantee the electric conductivity that continues, thereby have the low problem of static discharge effect.
On the other hand, the mode structure that is used to extrude the above-mentioned employed tyre surface that prevents static as shown in Figure 8, with the first die support device (holder) 104 that tyre surface flank extruder head 103, tyre surface extruder head 101 and sub-tread (sub-tread) extruder head 102 are communicated with on, be assembled with tyre surface preforming mould 105 and sub-tread preforming mould 106, at this first die support device 104 be assembled with between the second die support device 108 of final mould 107, be assembled with the upper and lower preforming mould 109a that is used for flank, 109b.
But, as previously mentioned, the mode structure that is used for tyre surface as described above can only be extruded and form such tyre surface, promptly after the tyre surface extrusion molding, the Che Zhongyou wearing and tearing owing to be expert at the flank position that the electric conductivity tread mix or even the extension of silica tyre surface side attachment are adhered to are difficult to guarantee the electric conductivity that continues.
Summary of the invention
The present invention be directed to above-mentioned problem proposes.Its purpose is to provide a kind of extrusion die structure that is used to prevent the tyre surface of static, even when tread wear, also still can between the silica tyre surface, keep certain thickness sub-tread and the extensible surface that is extruded into this silica tyre surface with good electric conductivity.
In order to achieve the above object, of the present inventionly be used for preventing that the extrusion die of the tyre surface of static from comprising: with tyre surface extruder head (head), the sub-tread extruder head, and on the first die support device of tyre surface flank extruder head connection, be assembled with tyre surface preforming mould and sub-tread preforming mould, this first die support device is assembled by the top preforming mould and the bottom preforming mould that are used for flank with the second die support device that is assembled with final mould, it is characterized in that, the inclination ditch that is flowed into the sub-tread sizing material on described tyre surface preforming mould is that the both sides of benchmark are formed with the separation protuberance respectively, divide tyre surface guiding ditch thereby separate, on the guiding of the sub-tread between sub-tread preforming mould and tyre surface preforming mould preforming mould, be formed with the guide groove that is communicated with the inclination ditch of tyre surface preforming mould and the other protuberance corresponding respectively with described protuberance, on the described first die support device, have and be positioned at the embedded preforming mould of the tread mix of sub-tread sizing material by the both sides, hole by the hole and be connected with the sub-tread preforming mould with the tyre surface preforming mould and fit together.
Description of drawings
Fig. 1 is the expression compound section figure that is used to prevent the tyre surface extrusion die of static of the present invention;
Fig. 2 is the separation front elevation of expression major part of the present invention;
Fig. 3 is the plane of expression embedded preforming mould of the present invention;
Fig. 4 is the sectional view of the tyre surface extruded according to the present invention;
Fig. 5 is corresponding with Fig. 2 front elevation that separates of another embodiment of the present invention;
Fig. 6 is corresponding with Fig. 3 front elevation that separates of another embodiment of the present invention;
Fig. 7 is the sectional view of the tyre surface extruded according to another embodiment of the present invention;
Fig. 8 is the compound section figure of tyre surface extrusion die that is used to prevent static of prior art.
Preferred implementation
Describe the present invention with reference to the accompanying drawings in detail.
Fig. 1 to Fig. 3 is the accompanying drawing of expression one embodiment of the invention.
Of the present invention being used to prevents that the tyre surface extrusion die of static from comprising: at the first die support device 4 that is communicated with tyre surface extruder head 1, sub-tread extruder head 2 and tyre surface flank extruder head 3, be assembled with tyre surface preforming mould 5 and sub-tread preforming mould 6, this the first die support device 4 and the second die support device 8 that is assembled with final mould 7 are by being used for the upper and lower part preforming mould 9a of flank, and 9b fits together.On described tyre surface preforming mould 5, the inclination ditch 11 that is flowed into sub-tread sizing material 10 is a benchmark, be formed with separation protuberance 12 respectively in both sides, mark off tyre surface guiding ditch 13 thereby separate, on the sub-tread between sub-tread preforming mould 6 and the tyre surface preforming mould 5 guiding preforming mould 14, be formed with the guide groove 15 that is communicated with the inclination ditch 11 of tyre surface preforming mould 5 and the other protuberance 16 corresponding respectively with protuberance 12.On the first die support device 4, have and be positioned at the tread mix of sub-tread sizing material by 17 both sides, hole and combine accordingly with tyre surface preforming mould 5 and sub-tread preforming mould 6 by the embedded preforming mould 19 in hole 18.
That is, in the present invention, be formed with protuberance 12, can be inserted through tyre surface preforming mould 5 so that have the sub-tread sizing material 1 of good electric conductivity with becoming band, thereby be designed to block the part of tread mix 20.And, in the back of this protuberance 12, form the inclination ditch 11 of inclination, so that sub-tread sizing material 10 can connect tread mix 20, thereby embed and be built in wherein.
Be used for the guiding preforming mould 14 of above-mentioned sub-tread, the other protuberance 16 at certain position blocking-up tread mix 20 is also being arranged.In the back of this protuberance 16, still keep having certain thickness banded sub-tread sizing material 10, and process guide groove 15, extrude in the centre with guiding tread mix 20.
Like this, the inclination ditch 11 by above-mentioned tyre surface preforming mould 5 and be used for sub-tread sizing material 10 that the guide groove 15 of the guiding preforming mould 14 of sub-tread introduces and pass through by hole 17 from the sub-tread sizing material of embedded preforming mould.At this moment, tread mix 20 passes through from both sides by hole 18 by the tread mix of the both sides of embedded preforming mould 19.
The cross sectional shape that has passed through the tread mix 20 of embedded preforming mould 19 and sub-tread sizing material 10 is identical with the shape of the extrudate of tyre surface 100 shown in Figure 4.
Like this, if above-mentioned tread mix 20 and sub-tread sizing material 10 by embedded preforming mould 19 combined by upper and lower preforming mould 9a, the 9b and the flank sizing material 21 that are used for flank, by final mould 7, will form tyre surface pattern at last with the such cross section of Fig. 4.
On the other hand, Fig. 5 and Fig. 6 have shown additional embodiments of the present invention, in the tyre surface of finished tire, when changing to situation as shown in Figure 7 at the outstanding position of the sub-tread sizing material 10 of last embodiment that will be as shown in Figure 4 according to the form of groove, also can use with the CL of Central Line of single mould as the optional position, the left and right sides of benchmark or even about the mode structure that side by side forms.
Even as described abovely be used to prevent that the structure of the tyre surface extrusion die of static from making tire tread produce abrasion, also can guarantee the electric conductivity that continues in sub-tread and flank section, thereby have the effect that prevents that static from taking place as of the present invention.
Claims (1)
1. be used for to prevent the extrusion die of the tyre surface of tire static, comprise: with the first die support device (4) that tyre surface extruder head (1), sub-tread extruder head (2) and tyre surface flank extruder head (3) are communicated with on, be assembled with tyre surface preforming mould (5) and sub-tread preforming mould (6), the described first die support device (4) and the second die support device (8) that is assembled with final mould (7) are by being used for the upper and lower part preforming mould (9a of flank, 9b) assemble
It is characterized in that, on described tyre surface preforming mould (5), the inclination ditch (11) that is flowed into sub-tread sizing material (10) is a benchmark, be formed with separation protuberance (12) respectively in both sides, to separate and to divide tyre surface and guide ditch (13), on the guiding preforming mould of the sub-tread between sub-tread preforming mould (6) and the tyre surface preforming mould (5) (14), be formed with the guide groove (15) that is communicated with the inclination ditch (11) of tyre surface preforming mould (5) and the other protuberance (16) corresponding respectively with described protuberance (12), on the described first die support device (4), the sub-tread sizing material has the embedded preforming mould (19) of tread mix by hole (18) by both sides, hole (17) and makes up accordingly with tyre surface preforming mould (5) and sub-tread preforming mould (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0043428A KR100538735B1 (en) | 2004-06-14 | 2004-06-14 | Tread extruding dies structure for static electricity protection of tire |
| KR200443428 | 2004-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1712205A true CN1712205A (en) | 2005-12-28 |
| CN100553935C CN100553935C (en) | 2009-10-28 |
Family
ID=35718082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100985457A Expired - Fee Related CN100553935C (en) | 2004-06-14 | 2004-12-09 | Be used for to prevent the extrusion die of the tyre surface of tire static |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100538735B1 (en) |
| CN (1) | CN100553935C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856864B (en) * | 2009-04-03 | 2013-05-22 | 韩国轮胎株式会社 | Tread extruding die for static electricity protection of tire |
| CN103802295A (en) * | 2012-11-07 | 2014-05-21 | 住友橡胶工业株式会社 | Preformer |
| CN108215118A (en) * | 2018-01-25 | 2018-06-29 | 正新橡胶（中国）有限公司 | A kind of extruder die for producing conductive tyre |
| CN110087856A (en) * | 2016-12-20 | 2019-08-02 | 米其林集团总公司 | For manufacturing the coextrusion method of the compounded rubber profile member of tire |
| CN111347651A (en) * | 2020-05-25 | 2020-06-30 | 赛轮(东营)轮胎股份有限公司 | Conductive adhesive runner assembly penetrating through base part |
| CN115027184A (en) * | 2017-12-22 | 2022-09-09 | 韩国轮胎株式会社 | Film, method for producing the film, and tire comprising the film |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101081983B1 (en) | 2009-09-24 | 2011-11-10 | 한국타이어 주식회사 | Hybrid performer dies of extruder mold for tire tread extruding |
| KR101052797B1 (en) | 2009-12-14 | 2011-07-29 | 한국타이어 주식회사 | Preformer dies for dies for tire different tread extrusion |
| KR101134641B1 (en) | 2009-12-22 | 2012-04-09 | 한국타이어 주식회사 | Head die for double tread extruding of tire |
| KR101521115B1 (en) * | 2013-12-31 | 2015-05-18 | 한국타이어 주식회사 | Extruding die of tire extruder |
-
2004
- 2004-06-14 KR KR10-2004-0043428A patent/KR100538735B1/en not_active IP Right Cessation
- 2004-12-09 CN CNB2004100985457A patent/CN100553935C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856864B (en) * | 2009-04-03 | 2013-05-22 | 韩国轮胎株式会社 | Tread extruding die for static electricity protection of tire |
| CN103802295A (en) * | 2012-11-07 | 2014-05-21 | 住友橡胶工业株式会社 | Preformer |
| CN103802295B (en) * | 2012-11-07 | 2017-05-31 | 住友橡胶工业株式会社 | Preforming machine |
| CN110087856A (en) * | 2016-12-20 | 2019-08-02 | 米其林集团总公司 | For manufacturing the coextrusion method of the compounded rubber profile member of tire |
| CN110087856B (en) * | 2016-12-20 | 2021-07-06 | 米其林集团总公司 | Co-extrusion method for manufacturing composite rubber molding element for tire |
| CN115027184A (en) * | 2017-12-22 | 2022-09-09 | 韩国轮胎株式会社 | Film, method for producing the film, and tire comprising the film |
| CN108215118A (en) * | 2018-01-25 | 2018-06-29 | 正新橡胶（中国）有限公司 | A kind of extruder die for producing conductive tyre |
| CN111347651A (en) * | 2020-05-25 | 2020-06-30 | 赛轮(东营)轮胎股份有限公司 | Conductive adhesive runner assembly penetrating through base part |
| CN111347651B (en) * | 2020-05-25 | 2020-11-03 | 赛轮(东营)轮胎股份有限公司 | Conductive adhesive runner assembly penetrating through base part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100553935C (en) | 2009-10-28 |
| KR20050118337A (en) | 2005-12-19 |
| KR100538735B1 (en) | 2005-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20121209 |