CN101907539B - Steel cord stress detection device and method - Google Patents
Steel cord stress detection device and method Download PDFInfo
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- CN101907539B CN101907539B CN 201010240607 CN201010240607A CN101907539B CN 101907539 B CN101907539 B CN 101907539B CN 201010240607 CN201010240607 CN 201010240607 CN 201010240607 A CN201010240607 A CN 201010240607A CN 101907539 B CN101907539 B CN 101907539B
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Abstract
The invention relates to steel cord stress detection device and method. An adopted sheeting mould comprises a lower fixed mould and an upper movable mould, wherein the center of the upper surface of the fixed mould is provided with a rectangular groove, the lower surface of the movable mould is provided with a convex pressure block matched with the groove in size. When the movable mould is matched with and buckled on the upper end of the fixed mould, a gap is remained between the lower surface of the pressure block and the bottom of the groove; a plurality steel cores with a certain pull force pass through the gap; tyre films are respectively sleeved on and under the steel cores, is pressed by using a vulcanizing press, and is cooled, the filmed steel cords are taken out for observing the warping condition, the size and the direction of the stress of the steel cords can be judged according to the warping condition, the filmed steel cords according with the production standard can be continuously produced; and if the warping condition occurs, a twisting process of the steel cords is regulated, and the steps are repeated to continue verifying the production and use effects of the cords. The device has the advantages of simple structure, convenient method, easy operation and good use effect.
Description
One, technical field:
The present invention relates to a kind of steel cord stress detection technique, particularly relate to a kind of steel cord stress detection device and method.
Two, background technology:
The steel cord belongs to the high, precision and frontier product of Steel Wire Products Industry, and operation is many, and production front is long; Qualifying point is many, because product is applied in the tire, contacts with the rubber software; And cord wants to coincide well with rubber as the rigidity object, and control requires very high to the cord unrelieved stress; How finding a kind of detection method of cord unrelieved stress, thereby find direction for process modification and quality control, is the problem that each cord manufacturer faces jointly.
Three, summary of the invention:
The present invention overcomes the deficiency that prior art exists, and a kind of apparatus and method that can before the steel cord dispatches from the factory, just detect its stress are provided, thereby can make timely correction to twisting with the fingers system technology early stage, produces qualified steel cord product.
Technical scheme:
A kind of steel cord stress detection device; Comprise the briquetting mould; Said briquetting mould comprises the fixed mold of bottom and the moving mold on top; Fixed mold upper surface center is provided with rectangular recess, and around this rectangular recess and with the groove madial wall, aliging is fixed with two ends spacer and both sides spacer, thereby forms dark groove; The moving mold lower surface is provided with the protrusion briquetting that is complementary with the groove size, when the moving mold coupling is withheld in the fixed mold upper end, leaves the gap between said briquetting lower surface and the bottom portion of groove; The lower surface of said two ends spacer and fixed mold two ends upper surface are respectively equipped with jagged continuous groove; The continuous groove make-up of two ends spacer and fixed mold is combined to form the perforation of vertically stepping down of some, and the corresponding perforation in two ends is positioned on same the straight line.
Said two ends spacer and both sides spacer are through being bolted to the fixed mold upper surface.
Said both sides spacer and fixed mold are designed to one.
A kind of detection method that adopts said pick-up unit,
(1) coupling suit one film in the rectangular recess at fixed mold upper surface center, this film is that tire is used sizing material;
(2) then the steel cord of some coupling is embedded in the continuous groove of fixed mold two ends upper surface;
(3) two ends spacer and both sides spacer correspondence are fixed on the fixed mold, wherein each root steel cord is positioned at the lower surface of said two ends spacer and the perforation of stepping down that fixed mold two ends upper surface is combined to form again;
(4) mate another film of suit again at the groove that is positioned at steel cord upside then;
(5) moving mold coupling being fastened on the fixed mold top side is flush-mounted in the briquetting of its protrusion to form the combination precompressed mould that has the steel cord in the groove;
(6), respectively steel cord two ends are applied certain pulling force according to the tire plant working condition
(7) said combination precompressed mould is heated 80 ± 5 ℃, and the 10～15Mpa that pressurizes;
(8) cool off then and the steel cord that takes out gummed is observed its warpage situation, judge the steel cord stress size and Orientation according to the warpage situation, and then the steel cord is twisted with the fingers system technology adjust.
Adopt above step, can judge the behaviour in service of cord basically, can twist with the fingers system technology to the steel cord like effect bad (if warpage situation) and adjust, and repeat above step and continue cord production result of use is verified in tire plant.
Pulling force 10N～15N described in the step (6).
The pressing process of step (7) adopts vulcanizing press that said combination precompressed mould is heated and pressurizes.
Film is a tyre rubber described in step (1) and the step (4).
Heating, pressing time are 5 seconds in the step (7).
Beneficial effect of the present invention:
1, the process that adopts the steel cord to make through the simulation tire plant;, steel cord manufacturer in time a kind ofly can detect the stress intensity of cord and the pick-up unit of direction before dispatching from the factory to manufacturing and designing; This device can be through before cord dispatch from the factory; Oneself detects the size and Orientation of cord stress, thus the various hidden danger of quality of avoiding product in user's use, to cause because of unrelieved stress is excessive.
2, detect and to find direction accurately for the technology adjustment through stress, and the technology after improving is verified, thereby continue to optimize production technology, continue to improve the quality of products, until satisfying customer requirements fully.
3, at technical maturity with after stablizing; Adopt stress detection device to spot-check to the product of big production is continual; Through this means intuitively, can verify the quality of production run control, as find inner the detection unusually; Can pass through the intensifies process supervision and management, thus stabilized product quality.
4, through the stress testing result in the factory, can compare, thereby hold the quality information that product uses accurately with the situation that product uses in the user, to promote product quality, the enhancing user satisfaction is of great advantage.
Four, description of drawings:
Fig. 1 is a steel cord stress detection device confined state structural representation of the present invention;
Fig. 2 is a kind of embodiment synoptic diagram of steel cord stress detection device of the present invention;
Fig. 3 is the bottom jig plan structure synoptic diagram of Fig. 1;
Fig. 3-the 1st, the A-A cross-sectional view of Fig. 3;
Fig. 3-the 2nd, the side of Fig. 3 (looking up) structural representation;
Fig. 4 is the cross-sectional view of device after combination of Fig. 1;
Fig. 4-1 and Fig. 4-2 is respectively through steel cord warpage of attaching glue and qualified synoptic diagram;
Fig. 5 is two of a steel cord stress detection device confined state structural representation of the present invention;
Fig. 5-the 1st, the assembled state synoptic diagram of Fig. 5.
Five, specific embodiments:
Embodiment one: referring to Fig. 1～Fig. 4-2, numbering 1 is the bottom fixed mold among the figure, and 2 is the rectangular recess of bottom fixed mold, and 3 are the perforation of stepping down of steel cord; 3a is the jagged continuous groove of bottom fixed mold, and 3b is the jagged continuous groove of top moving mold, and 4 is the two ends spacer, and 5 is the top moving mold; 6 is the protrusion briquetting of top moving mold lower surface, and 7 is set bolt, and 8 is fixing threaded hole or through hole, and 9 are the monolithic film before the combination; 10 are the combination film of pressing, and 11 is the steel cord, and 12 is vulcanizing press, and 13,14 are respectively forward and backward support; 15 is synchronous rotating shaft, and 16 is support ear, and 17 is vertical angle sheave; 18 is horizontal guide sheave, and 19 is balance weight body, and 20 is the both sides spacer.
The steel cord stress detection device of present embodiment, its briquetting mould comprise the fixed mold 1 of bottom and the moving mold 5 on top, and fixed mold 1 is rectangular structure with moving mold 5.Fixed mold 1 upper surface center is provided with rectangular recess 2; Around this rectangular recess and with groove 2 madial walls, align and be fixed with two ends spacer 4 and both sides spacer 20; Thereby form dark groove, said both sides spacer 4 and two ends spacer 20 all are fixed on the upside of fixed mold 1 through set bolt.Moving mold 5 lower surfaces are provided with the protrusion briquetting 6 that is complementary with the groove size, when moving mold 5 couplings are withheld in fixed mold 1 upper end, leave the gap between said briquetting 6 lower surfaces and groove 2 bottoms, and promptly briquetting thickness is less than the degree of depth of the dark groove in combination back.The lower surface of said two ends spacer 4 and fixed mold 1 two ends upper surface are respectively equipped with jagged continuous groove 3a and 3b; The continuous groove make-up of two ends spacer and fixed mold is combined to form the perforation 3 of vertically stepping down of some, and the corresponding perforation 3 in two ends is located on the same line.Thereby one group of steel cord arranged side by side is after passing the two ends resigning hole respectively, and the steel cord is positioned at groove inboard its downside of part and upside has the part gap respectively, is used for adding respectively film 9.
Embodiment two: referring to Fig. 5 and Fig. 5-1, content and embodiment one are basic identical, and something in common does not repeat, and different is: said both sides spacer and fixed mold are designed to one.The positioning step that exceeds has appearred in the fixed mold dual-side like this.
Embodiment three: a kind of monitoring method that adopts embodiment one said monitoring device; Be through in steel cord manufacturer, adopt embodiment one described monitoring device, can find direction accurately for the technology adjustment through the product steel cord stress is detected; And the technology after improving verified; Thereby continue to optimize production technology, continue to improve the quality of products, until satisfying customer requirements fully.Adopt the concrete grammar of embodiment one monitoring device following:
(1) coupling suit one film in the rectangular recess at fixed mold upper surface center for example adopts tyre rubber;
(2) then the steel cord of some coupling is embedded in the continuous groove of fixed mold two ends upper surface;
(3) two ends spacer and both sides spacer correspondence are fixed on the fixed mold, wherein each root steel cord is positioned at the lower surface of said two ends spacer and the perforation of stepping down that fixed mold two ends upper surface is combined to form again;
(4) mate another film of suit again at the groove that is positioned at steel cord upside then, for example adopt tyre rubber;
(5) moving mold coupling being fastened on the fixed mold top side is flush-mounted in the briquetting of its protrusion to form the combination precompressed mould that has the steel cord in the groove;
(6), respectively steel cord two ends are applied the pulling force of 10N～15N according to the tire plant working condition;
(7) said combination precompressed mould is heated (80 ± 5 ℃) and pressurization (10～15Mpa) a period of times (5 seconds);
(8) cool off then and take out the steel cord that attaches glue and observe its warpage situation, judge the steel cord stress size and Orientation according to the warpage situation, and then the steel cord is twisted with the fingers system technology adjust.
The pressing process of step (7) adopts common cuber perhaps to adopt vulcanizing press that said combination precompressed mould is heated and pressurizes.
Through the detection method of present embodiment, through the stress testing result in the factory, can compare, thereby hold the quality information that product uses accurately with the situation that product uses in the user, to promote product quality, to strengthen user satisfaction of great advantage.
Claims (8)
1. steel cord stress detection device; Comprise compression mold; It is characterized in that: said compression mold comprises the fixed mold of bottom and the moving mold on top; Fixed mold upper surface center is provided with rectangular recess, and around this rectangular recess and with the groove madial wall, aliging is fixed with two ends spacer and both sides spacer, thereby forms dark groove; The moving mold lower surface is provided with the protrusion briquetting that is complementary with the groove size, when the moving mold coupling is withheld in the fixed mold upper end, leaves the gap between said briquetting lower surface and the bottom portion of groove; The lower surface of said two ends spacer and fixed mold two ends upper surface are respectively equipped with jagged continuous groove; The continuous groove make-up of two ends spacer and fixed mold is combined to form the perforation of vertically stepping down of some, and the corresponding perforation in two ends is positioned on same the straight line.
2. steel cord stress detection device according to claim 1 is characterized in that: said two ends spacer and both sides spacer are through being bolted to the fixed mold upper surface.
3. steel cord stress detection device according to claim 1 is characterized in that: said both sides spacer and fixed mold are designed to one.
4. detection method that adopts the said pick-up unit of claim 1 is characterized in that:
(1) coupling suit one film in the rectangular recess at fixed mold upper surface center;
(2) then the steel cord of some coupling is embedded in the continuous groove of fixed mold two ends upper surface;
(3) two ends spacer and both sides spacer correspondence are fixed on the fixed mold, wherein each root steel cord is positioned at the lower surface of said two ends spacer and the perforation of stepping down that fixed mold two ends upper surface is combined to form again;
(4) mate another film of suit again at the groove that is positioned at steel cord upside then;
(5) moving mold coupling being fastened on the fixed mold top side is flush-mounted in the briquetting of its protrusion to form the combination precompressed mould that has the steel cord in the groove;
(6), respectively steel cord two ends are applied certain pulling force according to the tire plant working condition;
(7) said combination precompressed mould is heated 80 ± 5 ℃, and the 10～15MPa that pressurizes;
(8) cool off then and the steel cord that takes out gummed is observed its warpage situation; Judge the steel cord stress size and Orientation according to the warpage situation; The continuation production of accords with production standard; If the warpage situation just need be adjusted steel cord sth. made by twisting system technology, and repeat above step and continue cord production result of use is verified.
5. steel cord stress detection method according to claim 4 is characterized in that: pulling force 10N～15N described in the step (6).
6. steel cord stress detection method according to claim 4 is characterized in that: the pressing process of step (7) adopts vulcanizing press that said combination precompressed mould is heated and pressurizes.
7. steel cord stress detection method according to claim 4 is characterized in that: film is a tyre rubber described in step (1) and the step (4).
8. steel cord stress detection method according to claim 4 is characterized in that: heating, pressing time are 5 seconds in the step (7).
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| CN 201010240607 CN101907539B (en) | 2010-07-30 | 2010-07-30 | Steel cord stress detection device and method |
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| CN 201010240607 CN101907539B (en) | 2010-07-30 | 2010-07-30 | Steel cord stress detection device and method |
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| CN104833465A (en) * | 2015-03-04 | 2015-08-12 | 张家港市骏马钢帘线有限公司 | Instrument for automatically detecting elastic index of steel cord |
| CN106969689A (en) * | 2017-04-05 | 2017-07-21 | 东台磊达钢帘线有限公司 | A kind of residual turn round of steel cord matches somebody with somebody case test device and method |
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| CN202018405U (en) * | 2010-07-30 | 2011-10-26 | 河南恒星科技股份有限公司 | Steel cord stress detecting device |
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| DE4131670C2 (en) * | 1991-09-23 | 1994-09-29 | Stein Herbert Textechno | Tensile tester and method for performing tensile tests on twisted test materials |
| KR100642993B1 (en) * | 2004-09-30 | 2006-11-10 | 한국타이어 주식회사 | Rubber penetration measurement method of steel cord topping rubber |
| CN201449357U (en) * | 2009-07-03 | 2010-05-05 | 江阴市科宇电器有限公司 | Digital display type steel cord tension test device |
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| CN202018405U (en) * | 2010-07-30 | 2011-10-26 | 河南恒星科技股份有限公司 | Steel cord stress detecting device |
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