CN105383227B - Radial rectangular cross section wire and its method for making wire loop - Google Patents
Radial rectangular cross section wire and its method for making wire loop Download PDFInfo
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- CN105383227B CN105383227B CN201510861043.3A CN201510861043A CN105383227B CN 105383227 B CN105383227 B CN 105383227B CN 201510861043 A CN201510861043 A CN 201510861043A CN 105383227 B CN105383227 B CN 105383227B
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- wire
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- roller
- rectangular cross
- steel wire
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/04—Bead cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/042—Manufacture of coated wire or bars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a meridian line tyre rectangular cross section wire and its wire loop production methods, rectangular cross section wire is drawn using circle cross section high-carbon steel roll dies to be made, steel wire is zinc-plated and temper, rectangular wire m root wound side by side n-layers are bundled into wire loop using band by surface.The wire loop of the present invention is as radial tyre bead core, with smaller cross-sectional area, due to being that face contacts between steel wire, with good geometrical shape stability, there is smaller contact stress and very high section intensity between steel wire, the abrasion resistance of tyre bead and tear resistance can be improved, saves the manufacture cost of tire.
Description
Technical field
The present invention relates to the making of radial framework material more particularly to rectangle steel bead wire and its wire loop.
Background technology
Radial is generally made of crown, sidewall, tyre bead, and tyre bead banding provides on wheel rim to carcass
Supporting point carries the horizontal force in the bulge outward pressure and tire turning driving of carcass, therefore tyre bead requires
High intensity is stablized and the performances such as is unlikely to deform.Tyre bead is made of wire loop and chafer etc., for making the steel wire of wire loop i.e.
For steel bead wire.The steel wire of wire loop is made mostly of circular cross section steel bead wire, is linearly contacted between this kind of steel bead wire,
Contact is big, and steel wire surface is coated with tin bronze to improve the corrosion resistance of steel wire and bond properties；Coating rubber outside steel wire
Glue, since rubber is a kind of elastic-plastic material, when shaping is with vulcanization, the rubber between steel wire moves, and causes the geometry of tyre bead
Stability is poor so that the tear resistance of wire loop reduces.
The content of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of rectangular cross section wire and its make radial tire steel
The method of wire ring, the tyre bead made of rectangular cross section wire have good physical dimension stability, improve the abrasion of tyre bead
Resistance and tear resistance；Wire loop has higher section strength and stiffness.
The present invention is achieved by the following technical solution：
Radial rectangular cross section wire, section are rectangular configuration, the width W of steel wire section for 1.50~
3.00mm, thickness T are 1.00~2.00mm, and the both sides intersection of steel wire section is arcuate structure, and curved edge radius R is 0.20
~0.50mm.
The production method of radial rectangular cross section wire, comprises the following steps：
(1) wire rod surface preparation：It is 0.65~0.95% by carbon content, the wire rod surface of a diameter of 5.50~7.00mm of Φ
It carries out mechanical descaling, cleaning, apply boron, drying；
(2) die drawing：By the wire rod after surface preparation, drawing is circular disconnected for 1.50~3.00mm of Φ on dead-beat Dry drawing machine
Face steel wire；
(3) it is zinc-plated：By Φ 1.50~3.00mm wire galvanizations after die drawing, thickness of coating is 0.05~0.50 μm；
(4) roller is drawn：Φ 1.50~3.00mm circular cross sections steel wires after will be zinc-plated pull into rectangular cross section wire by roller；
(5) it is tempered：Rectangular cross section wire after roller is drawn is in the lead bath tempering of 380~450 DEG C of temperature, tempering time 1~3
Second, the tempered steel wire of acquisition Breaking elongation 4~10%.
The step (4) for three passages, two roller staggered rollers draw by roller drawing, and staggered rollers drawing refers to that adjacent two roller of passage is vertically set
It puts, two sides compression roller is corresponded to steel wire using two roller of a time draws, and steel wire side compression roller is drawn using two passages, two roller, is utilized
Three passages, two roller corresponds to steel wire two sides compression roller and draws, and circle cross section steel wire is deformed into flat section wire, two passages by a time
Flat section wire is deformed into approximate hexagonal cross-section steel wire, approximate hexagonal cross-section steel wire is deformed into rectangle and broken by three passages
Face steel wire.
Two passages, the two roller cabling position is equipped with dovetail groove, and the short side of dovetail groove is arranged on the inside of roller, dovetail groove
Long side is arranged on the outside of roller.
The method that radial makes wire loop of rectangular cross section wire is wound rectangular cross section wire and beats
Circle, is bundled into wire loop：By rectangular cross section wire on Machine for manufacturing rings from wire m roots wound side by side n-layer or m roots dislocation winding n-layer, then with bind round
Circumferentially decile ties up engagement to band, is fabricated to the wire loop that section steel wire is m × n.
Rectangular cross section wire is wound on Machine for manufacturing rings from wire loops into flat wire loop or wedged bottom wire loop, the bottom of flat wire loop
Axially parallel with wire loop, bottom and the wire loop of wedged bottom wire loop are axially formed an inclined angle [alpha], this angle and tire
Wheel rim angle of inclination mutually echo.
Section steel wire is the wire loop of m × n, and the steel wire quantity of wherein m is 5~10, and the steel wire quantity of n is 5~10；
Band is using seaming, spot welding, point impact style engagement.
The present invention plates very thin zinc layers in steel wire surface, for preventing steel wire oxidation corrosion, and improves steel wire and rubber
Bond properties, in the prior art steel bead wire coating surface bronze or brass, therefore steel wire of the present invention coating surface anti-corrosion
Corrosion can more preferably zinc layers.
In a manner that first zinc-plated back roller drawing is tempered again, one side zinc coat can be pulled through journey in roller and provide lubrication the present invention
Effect, another aspect roller draws deformation so that zinc coat is finer and close, and Corrosion Protection is more preferable；Circular cross section steel wire is deformed simultaneously
There are the modes such as die drawing, rolling as rectangular cross section wire, but the steel wire wedge angle charge less of die drawing mode expires, and rolling mode is set
Standby complicated, inefficiency, the present invention not only can guarantee that steel wire wedge angle was full of, but also can have been improved production efficiency by the way of roller drawing；This
Invent it is zinc-plated after be tempered again, zinc layers melt in drawing process in order to prevent, using prompt tempering mode, tempering time 1~3
Second.
Circular cross section steel wire is fabricated to rectangular cross section wire by the present invention using the method that roller is drawn；It is straight using the not attached glue of steel wire
The mode for taking circle makes wire loop, is in close contact between steel wire and stability is good.
Steel wire directly winding in the present invention, which is looped, is bundled into wire loop, and rectangular wire winds on Machine for manufacturing rings from wire and loops, and adopts
Flat or wedged bottom wire loop can be made with flat or wedged bottom Machine for manufacturing rings from wire pedestal, wherein it is flat axially parallel with wire loop,
Wedged bottom is axially formed an inclined angle [alpha] with wire loop, this angle is mutually echoed with the wheel rim angle of inclination of tire.
The band that the present invention ties up is made of low-carbon thin steel strip, and band ties up cyclization, using seaming, spot welding, Dian Chong
The modes such as pressure engage.Band is tied up along wire loop decile so that every steel wire is combined closely.The wire loop is used in tire, steel
Silk is less with the direct contact surface of rubber, so more requirements are the tables of the Corrosion Protection, therefore steel wire of the present invention of steel wire
Face plating Corrosion Protection more preferably zinc layers.
The present invention has the advantages that compared with prior art：
1st, the rectangular cross section wire of the present invention is drawn using circular cross section steel wire roller and made, and steel wire is zinc-plated with being tempered by surface
Processing, more wound side by side multilayers of rectangular cross section wire are bundled into wire loop using band；Wire loop is as radial tire
Core is enclosed, there is smaller cross-sectional area；Due to being that face contacts between steel wire, there is good geometrical shape stability, between steel wire
With smaller contact stress and very high section intensity, the abrasion resistance of tyre bead and tear resistance can be improved, saves tire
Manufacture cost.
2nd, rectangular cross section wire surface of the present invention uses the more preferably zinc-plated mode of Corrosion Protection, improves the anticorrosive energy of steel wire
Power；The tyre bead made of rectangular cross section wire, in lopping, the outer surface of rectangular wire is not required attached glue, but directly handle
Multiply rectangular wire is divided into multilayer and is closely wound, and is tied up with steel band, is contacted between steel wire for face, and contact is small, tool
There is good physical dimension stability, improve the abrasion resistance of tyre bead and tear resistance；It is in close contact between rectangular wire, almost
It is seamless, therefore have higher section intensity and the rigidity of wire loop, improve wheel bead part quality, it is wide to reduce tyre bead portion design
Degree saves Tire production cost；The present invention not only can guarantee that steel wire wedge angle was full of by the way of roller drawing, but also can improve production effect
Rate.
Description of the drawings
Fig. 1 is the structure diagram of rectangular cross section wire in the embodiment of the present invention,
Fig. 2 is the structure diagram that three passage of the embodiment of the present invention, two roller staggered rollers are drawn,
Fig. 3 is the enlarged section that two roller roller of a time of the embodiment of the present invention draws steel wire,
Fig. 4 is the enlarged section that two passage of the embodiment of the present invention, two roller roller draws steel wire,
Fig. 5 is the enlarged section that three passage of the embodiment of the present invention, two roller roller draws steel wire,
Fig. 6 is the structure diagram of wire loop of the embodiment of the present invention,
Fig. 7 is four kinds of wire loop cross section structure schematic diagrams that band of the embodiment of the present invention ties up position.
Sequence number in figure：1st, two roller of a time, 2, two passages, two roller, 3, three passages, two roller, 4, circle cross section steel wire, 5, flat disconnected
Face steel wire, 6, approximate hexagonal cross-section steel wire, 7, rectangular cross section wire, 8, dovetail groove, 9, wire loop, 10, band, 11, flat
Wire loop, 12, wedged bottom wire loop.
Specific embodiment
It is that the specific embodiment of the present invention is described in further detail with reference to attached drawing below.
Shown in Figure 1, a meridian line tyre rectangular cross section wire, section is rectangular configuration, steel wire section
Width W is 1.50~3.00mm, and thickness T is 1.00~2.00mm, and the both sides intersection of steel wire section is arcuate structure, arc-shaped side
Edge radius R is 0.20~0.50mm, tensile strength >=1800Mpa of steel wire.
The production method of the radial rectangular cross section wire, comprises the following steps：
(1) wire rod surface preparation：It is 0.65~0.95% by carbon content, the wire rod surface of a diameter of 5.50~7.00mm of Φ
It carries out mechanical descaling, cleaning, apply boron, drying；
(2) die drawing：By the wire rod after surface preparation, drawing is circular disconnected for 1.50~3.00mm of Φ on dead-beat Dry drawing machine
Face steel wire；
(3) it is zinc-plated：By 1.50~3.00mm of Φ steel wires after die drawing by series be surface-treated after, in zinc sulfate slot into
Row plating plates the zinc layers that a layer thickness is 0.05~0.50 μm；
(4) roller is drawn：It is shown in Figure 2, will be zinc-plated after Φ 1.50~3.00mm circle cross sections steel wire 4 pass through three passages, two roller
Staggered rollers pull into rectangular cross section wire 7, and the width W of rectangular cross section wire 7 is 1.50~3.00mm, thickness T for 1.00~
2.00mm, 7 both sides intersection of rectangular cross section wire are arcuate structure, and curved edge radius R is 0.20~0.50mm, and steel wire resists
Tensile strength >=1800Mpa, staggered rollers drawing refers to that adjacent two roller of passage is vertically arranged, using two roller 1 of a time to above and below steel wire two
Face compression roller is drawn, and steel wire side compression roller is drawn using two passages, two roller 2, steel wire upper and lower surface is squeezed using three passages, two roller 3
Pressure roller is drawn, and two passages, two roller cabling position is equipped with dovetail groove 8, and the short side of dovetail groove 8 is arranged on the inside of roller, the long side of dovetail groove 8
It is arranged on the outside of roller；Referring to Fig. 3, a time roller is drawn is deformed into flat section wire 5, flat section wire 5 by circle cross section steel wire 4
Thickness determined by two roller of a time, 1 drafts, width freely stretch, flat section wire 5 it is upper it is following be plane, side
For cambered surface；Referring to Fig. 4, two passage rollers are drawn is deformed into approximate hexagonal cross-section steel wire 6 by flat section wire 5, and dovetail groove 8 has
The effect of /V and sizing, the design of dovetail groove 8 are that steel wire deformation in order to prevent is slotted during extending and clamps and influence
Cabling；Referring to Fig. 5, three passage rollers are drawn is deformed into rectangular cross section wire 7 by approximate hexagonal cross-section steel wire 6；
(5) it is tempered：Rectangular cross section wire 7 after roller is drawn is in the lead bath tempering of 380~450 DEG C of temperature, tempering time 1~3
Second, the tempered steel wire of acquisition Breaking elongation 4~10%.
Referring to Fig. 6, the method for making wire loop of rectangular cross section wire using the radial, i.e., to rectangular cross section steel
Silk 7, which is wound, loops, and is bundled into wire loop 9：By rectangular cross section wire on Machine for manufacturing rings from wire seven five layers or seven of wound side by side
Five layers of dislocation winding, then circumferentially decile is tied up with band 10, band 10 is using seaming, spot welding, point impact style engagement so that
Every steel wire is combined closely, and is fabricated to wire loop 9.
Referring to Fig. 7, rectangular cross section wire 7 winds on Machine for manufacturing rings from wire and loops into flat wire loop 11 or wedged bottom wire loop 12,
The bottom of flat wire loop 11 is axially parallel with wire loop, and bottom and the wire loop of wedged bottom wire loop 12 are axially formed an inclined angle
α is spent, this angle is mutually echoed with the wheel rim angle of inclination of tire.Fig. 7 is four kinds of steel that band of the embodiment of the present invention ties up position
Wire ring cross section structure schematic diagram, wire loop 9 are made of 35 windings of rectangular cross section wire 7, and fixation is tied up using band 10,
7 parallel arranged of rectangular cross section wire forms flat wire loop 11, in Fig. 7 shown in (a)；7 parallel arranged of rectangular cross section wire,
Also wedged bottom wire loop 12 can be formed, bottom and the wire loop of wedged bottom wire loop 12 are axially formed inclined angle [alpha], (b) institute in Fig. 7
Show；7 Heterogeneous Permutation of rectangular cross section wire forms wedged bottom wire loop 12, and the radial direction side of wire loop is smooth, and and steel wire
Circle is axially formed inclined angle [alpha], in Fig. 7 shown in (c)；7 Heterogeneous Permutation of rectangular cross section wire forms wedged bottom wire loop 12,
The axial side of its wire loop is smooth, and the wedged bottom that band 10 is tied up is axially formed inclined angle [alpha], such as Fig. 7 with wire loop
In shown in (d).
Circular cross section steel wire is deformed into rectangular cross section wire a modes such as die drawing, rolling, but the steel of die drawing mode
Silk wedge angle charge less expires, and the equipment of rolling mode is complicated, inefficiency.The present invention both can guarantee steel wire by the way of roller drawing
Wedge angle is full of, and can improve production efficiency.Mode is drawn using three passages, two roller roller in example, Φ 2.00mm circular cross section steel wires
It is deformed into 2.00 × 1.30mm rectangular cross section wires, curved edge radius≤0.50mm of 2.00 × 1.30mm steel wire sections.
Rectangular cross section wire directly winding in the present invention, which is looped, is bundled into wire loop, and rectangular cross section wire is on Machine for manufacturing rings from wire
Winding is looped, such as using m root steel wire wound side by side into n-layer, can Formation cross-section steel wire be m × n wire loop, the wherein steel wire of m
Quantity is 5~10, and the steel wire quantity of n is 5~10.The band tied up is made of low-carbon thin steel strip, and band is bundled into
Ring is engaged using modes such as seaming, spot welding, point punching presses.Band is tied up along wire loop decile so that every steel wire is combined closely.
Embodiment does not form the limit to the scope of the present invention only to facilitate understand technical scheme
System, it is every without departing from any letter that technical spirit perhaps according to the invention makees above scheme in technical solution of the present invention
Single modification, equivalent variations and modification, still fall within the scope of the present invention.
Claims (4)
1. the production method of a meridian line tyre rectangular cross section wire, it is characterised in that：The production method include with
Lower step：
(1) wire rod surface preparation：By carbon content for 0.65~0.95%, the wire rod surface of a diameter of 5.50~7.00mm of Φ into
Row mechanical descaling, cleaning apply boron, drying；
(2) die drawing：By the wire rod after surface preparation, drawing is Φ 1.50~3.00mm circular cross section steel on dead-beat Dry drawing machine
Silk；
(3) it is zinc-plated：By Φ 1.50~3.00mm wire galvanizations after die drawing, thickness of coating is 0.05~0.50 μm；
(4) roller is drawn：Φ 1.50~3.00mm circular cross sections steel wires after will be zinc-plated pull into rectangular cross section wire by roller；
(5) it is tempered：Rectangular cross section wire after roller is drawn is tempered in the lead bath of 380~450 DEG C of temperature, and tempering time 1~3 second obtains
Obtain the tempered steel wire of Breaking elongation 4~10%；Wherein,
The step (4) for three passages, two roller staggered rollers draw by roller drawing, and staggered rollers drawing refers to that adjacent two roller of passage is vertically arranged, profit
Two sides compression roller is (1) corresponded to steel wire with two roller of a time to draw, and (2) steel wire side compression roller is drawn using two passages, two roller, is utilized
(3) three passages, two roller corresponds to steel wire two sides compression roller and draws, (4) (5) circle cross section steel wire is deformed into flat section wire by a time,
(5) (6) flat section wire is deformed into approximate hexagonal cross-section steel wire by two passages；Three passages by approximate hexagonal cross-section steel wire (6)
It is deformed into rectangular cross section wire (7)；And the width W of the steel wire section is 1.50~3.00mm, thickness T is 1.00~2.00mm,
The both sides intersection of steel wire section is arcuate structure, and curved edge radius R is 0.20~0.50mm.
2. the production method of radial rectangular cross section wire according to claim 1, it is characterised in that：Described
(8) two passages, two roller cabling position is equipped with dovetail groove, the short side of dovetail groove (8) is arranged on the inside of roller, and the long side of dovetail groove (8) is set
On the outside of roller.
3. the production method of radial rectangular cross section wire according to claim 1 or 2, it is characterised in that：Profit
The method that wire loop is made of radial rectangular cross section wire, including step：To rectangular cross section wire (7) into
Row winding is looped, and is bundled into wire loop (9)：By rectangular cross section wire on Machine for manufacturing rings from wire m roots dislocation winding n-layer, then with band (10) edge
Circumference equal dividing ties up engagement, be fabricated to section steel wire be m × n wire loop (9)；And (7) rectangular cross section wire twines on Machine for manufacturing rings from wire
Around wedged bottom wire loop is looped into (12), the bottom of wedged bottom wire loop (12) is axially formed an inclined angle [alpha] with wire loop.
4. the production method of radial rectangular cross section wire according to claim 3, it is characterised in that：Section steel
Silk for m × n wire loop (9), the steel wire quantity of wherein m is 5~10, and the steel wire quantity of n is 5~10；(10) band is used and stung
Mouth, spot welding, point impact style engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861043.3A CN105383227B (en) | 2015-12-01 | 2015-12-01 | Radial rectangular cross section wire and its method for making wire loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861043.3A CN105383227B (en) | 2015-12-01 | 2015-12-01 | Radial rectangular cross section wire and its method for making wire loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105383227A CN105383227A (en) | 2016-03-09 |
| CN105383227B true CN105383227B (en) | 2018-05-25 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377660B (en) * | 2017-07-11 | 2019-05-24 | 山东大业股份有限公司 | A kind of production method of steel bead wire |
| CN107953728B (en) * | 2017-11-27 | 2020-02-11 | 江苏兴达钢帘线股份有限公司 | Cable type tire bead and tire |
| CN109278481B (en) * | 2018-09-04 | 2022-07-22 | 潍坊市跃龙橡胶有限公司 | Tire bead protection mechanism of vacuum rubber tire and mounting method thereof |
| CN111346931B (en) * | 2020-03-12 | 2022-03-01 | 宝鸡华沃新材料有限公司 | Continuous processing method of nickel-titanium shape memory alloy square thin wire |
| CN111468546B (en) * | 2020-04-26 | 2021-11-19 | 佳腾电业（赣州）有限公司 | Fine flat wire drawing die with fillet function |
| CN111962317B (en) * | 2020-07-09 | 2022-09-20 | 江苏兴达钢帘线股份有限公司 | Ultra-high strength rope product and production method thereof |
| CN112139276B (en) * | 2020-09-03 | 2022-05-24 | 浙江冠明电力新材股份有限公司 | Production process of G5A-grade hot-dip galvanized steel strand for large-span transmission line |
| CN114211913A (en) * | 2021-12-14 | 2022-03-22 | 江苏胜达科技有限公司 | High-strength tire bead steel wire for winter studless tire and production process thereof |
| CN114273452A (en) * | 2021-12-27 | 2022-04-05 | 马鞍山聚电铜业有限公司 | Nondestructive feeding and discharging extrusion device for flat copper wire and implementation method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726925Y (en) * | 2004-09-03 | 2005-09-21 | 王兴安 | Tire steel wire ring |
| JP4283856B2 (en) * | 2006-06-12 | 2009-06-24 | 株式会社神戸製鋼所 | Manufacturing method of flat wire for ring gear |
| CN200988400Y (en) * | 2006-09-08 | 2007-12-12 | 深圳市百海通实业发展有限公司 | Tire steel wire ring |
| JP5830025B2 (en) * | 2009-12-01 | 2015-12-09 | ナムローゼ・フェンノートシャップ・ベーカート・ソシエテ・アノニムＮ Ｖ Ｂｅｋａｅｒｔ Ｓｏｃｉｅｔｅ Ａｎｏｎｙｍｅ | Reinforced polymer composite |
| CN103786531A (en) * | 2012-10-22 | 2014-05-14 | 贝卡尔特公司 | Bead core |
| CN103128127A (en) * | 2013-03-14 | 2013-06-05 | 合肥工业大学 | Parallel wire roller pulling combined forming technology and production equipment thereof |
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- 2015-12-01 CN CN201510861043.3A patent/CN105383227B/en active Active
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