CN109537335A - A kind of production method of polygon steel cord - Google Patents
A kind of production method of polygon steel cord Download PDFInfo
- Publication number
- CN109537335A CN109537335A CN201811335240.1A CN201811335240A CN109537335A CN 109537335 A CN109537335 A CN 109537335A CN 201811335240 A CN201811335240 A CN 201811335240A CN 109537335 A CN109537335 A CN 109537335A
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- wire
- steel
- rotary body
- noseplate
- layer
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/4018—Rope twisting devices
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- Ropes Or Cables (AREA)
Abstract
The present invention provides a kind of production method of polygon steel cord, once twists molding using interior receipts formula double twisting device is put outside, polygon steel cord includes internal layer, middle layer and outer layer；Double twisting device includes rotary body, the first noseplate, the second noseplate, the first line concentration nozzle, the second line concentration nozzle, the first wire-crossing wheel and the second wire-crossing wheel；Method the following steps are included: unwrapping wire sequence by internal layer to middle layer again to outer layer, the steel wire of internal layer and outer layer is external in discharge platform, and the steel wire of outer layer is evenly distributed on inside unwrapping wire rotary body；The steel wire of middle layer and internal layer is compiled in the first line concentration nozzle through the first noseplate separated time and is twisted；Cover wire and the first line concentration nozzle compile twirl strand, and through the second noseplate separated time, in the second line concentration nozzle, volume is twisted steel tendon simultaneously；Second line concentration nozzle is fixed, and steel tendon is crossed the first wire-crossing wheel and rotated together with rotary body, and the second wire-crossing wheel is with steel tendon as rotary body rotates, and twisting twice is completed in the every rotation of rotary body for one week, and then steel wire volume is twisted rope.
Description
Technical field
The present invention relates to steel cord production field more particularly to a kind of production methods of polygon steel cord.
Background technique
Radial steel cord is usually to be layered steel cord, and the layering steel cord is by central core and is located at the central core
Strand layers are made the one or more of surrounding with one heart.Most common three-layer cord is substantially the cord of M+N+P construction, by
Formed with flowering structure: the central core (variation of M from 1 to 4) of M root silk thread, (N is logical by the middle layer encirclement of N root silk thread for the central core
Often from 5 to 15 variation), described middle layer itself surrounds (variation of P usually from 10 to 22) by the outer layer of P root silk thread, for entire
It is possible to be wound optionally around outer layer with the outer wrapping of spiral winding for component.
Since the performance requirement of radial is higher, the production method of stratiform structural steel cord is commonly used at present, because inside and outside
Layer steel wire stress elimination is insufficient, and finished product steel wire twisting fraction defective is higher, and product structure performance is unstable, and tire used steel wire is resistance to
Fatigue behaviour downward trend is obvious, causes Life of Tyre not high.
In addition, current layer structure steel cord is obtained by several steps, the shortcomings that these steps, is not connect
Continuous, take-up manufactures and designs intermediate 1+N cord, and 1+N cord and P root silk thread volume are then twisted steel cord again, and so operation increases
Operating time and process are added, have kept production efficiency not high.
Summary of the invention
In view of the above-mentioned problems, structure of steel wire shape can be stablized the present invention provides a kind of production method of polygon steel cord
State promotes steel wire properties index, improves bogie radial performance, improves bogie radial service life, together
Shi Tigao production efficiency.
Present invention employs following technical solutions:
A kind of production method of polygon steel cord, the polygon steel cord are once twisted into using putting interior receipts formula double twisting device outside
Type, the polygon steel cord are that concentric layer structure includes internal layer, middle layer and outer layer；Interior receipts formula double twisting device is put outside described
Including left side rotary body, right side rotary body, unwrapping wire rotary body, the first noseplate, the second noseplate, the first line concentration nozzle, the second collection
Line nozzle, the first wire-crossing wheel and the second wire-crossing wheel；Characterized by the following steps:
S1: first preparing the steel wire of the internal layer, the middle layer and the outer layer, wherein the internal layer and the middle layer
Steel wire is external in discharge platform, and the steel wire of the outer layer is evenly distributed on inside unwrapping wire rotary body and with the unwrapping wire rotary body
It compiles and twists；
S2: the steel wire of the middle layer and the internal layer is compiled after being uniformly distributed by first noseplate by the first line concentration nozzle
It is twisted center strand；The steel wire of the outer layer and the center strand be uniformly distributed by second noseplate after by second
Line concentration nozzle is compiled be twisted steel tendon simultaneously；
S3: since the second line concentration nozzle does not rotate, the steel tendon is wound on first wire-crossing wheel and revolves with the right side
Swivel rotates together, and the right side rotary body often rotates a circle, and completes first time twisting；
S4: the steel tendon enters the left side rotary body after first wire-crossing wheel, then passes around described second and crosses line
It takes turns and is finally wound on Receiving wire wheel, wherein second wire-crossing wheel is with the steel tendon as the left side rotary body revolves
Turn, the left side rotary body often rotates a circle, and completes second of twisting, and then steel wire volume is twisted rope.
Preferably, the middle layer, which is compiled, twists in the outside of the internal layer, and the outer layer, which is compiled, to be twisted in the outside of the middle layer.
Preferably, the internal layer is a steel wire or a core strand, and the middle layer includes N root steel wire, the outer layer packet
Include P root steel wire, and P > N > 1.
Preferably, a steel wire of the internal layer or the diameter of a core strand are 0.20-0.35mm, the N of the middle layer
The P root gauge of wire of root steel wire and the outer layer is 0.170-0.30mm.
Preferably, the P root steel wire of the outer layer compiles twirl by P unwrapping wire rotary body respectively.
Preferably, all rotary bodies are to rotate in same direction.
Preferably, the steel wire of the outer layer eliminates stress by the rotary body rotation of two sides at the second line concentration nozzle.
Preferably, identical by the lay pitch inside and outside the polygon steel cord of the method production.
Preferably, first noseplate is located at the left side of second noseplate, and the first line concentration nozzle is located at described
Between first noseplate and second noseplate.
Preferably, the diameter of first noseplate is less than the diameter of second noseplate.
It compared with prior art, can be steady the beneficial effects of the present invention are: polygon stratiform structural steel cord can be obtained effectively
Determine structure of steel wire state, twisting defective products intersects back silk yield decline, promote steel wire properties index, the anti-twisted formula of cover wire without
Twisting is reversed, the flat wire broken rate of ton is reduced, improves bogie radial performance, bogie radial is improved and uses the longevity
Life, while improving steel cord high efficiency.
Detailed description of the invention
Fig. 1 is a kind of production process schematic diagram of the compound steel cord of the production method of polygon steel cord of the invention.
Fig. 2 is the polygon steel cord cross section of the 1+6+12 construction of production method production department through the invention.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Fig. 1 and Fig. 2 are please referred to, a kind of production method of polygon steel cord of one embodiment of the invention is produced
Polygon steel cord once twist molding using putting interior receipts formula double twisting device outside, polygon steel cord is concentric layer structure packet
Include internal layer 1, middle layer 2 and outer layer 3；Preferably, middle layer 2, which is compiled, twists in the outside of internal layer 1, and outer layer 3, which is compiled, to be twisted in the outer of middle layer 2
Side, layering twisting make structural behaviour more stable.Interior receipts formula double twisting device is put outside to include left side rotary body 4, right side rotary body 5, put
Line rotary body, the first noseplate 6, the second noseplate 7, the first line concentration nozzle 8, the second line concentration nozzle 9, the first wire-crossing wheel 10 and the second mistake
Line wheel 11；Production method the following steps are included:
S1: first preparing the steel wire of internal layer 1, middle layer 2 and outer layer 3, wherein the internal layer 1 and steel wire of middle layer 2 is external is putting
On line platform, it is internal that the steel wire of outer layer 3 is evenly distributed on unwrapping wire rotary body (not indicating in figure), allows the steel wire of outer layer 3 with putting
The rotation of line rotary body and rotate.Preferably, all rotary bodies are to rotate in same direction, the every rotation of rotary body one week, steel tendon
Just it has twisted twice, has realized profit release without torsion twisting.The present invention uses the combination of interior wire intaking type and anti-twisted formula, it is preferable that
The steel wire of outer layer 3 eliminates stress by the rotary body rotation of two sides at the second line concentration nozzle 9, and inside and outside layer steel wire is made to add torsion phase
Mutually offset.In this way, the steel wire of outer layer 3 can realize anti-twisted formula rotation.The characteristics of anti-twisted formula, is: although take-up rotary body and unwrapping wire rotation
Swivel rotates in same direction, steel wire in the torsional direction of unwrapping wire rotary body with steel wire be in the torsional direction of take-up rotary body it is opposite,
The two near cancellation is equivalent to one " equipment for supporting patient with burn ", may be implemented without torsion twisting, without carrying out twirl processing.
S2: the steel wire of middle layer 2 and internal layer 1 is twisted after being uniformly distributed by the first noseplate 6 by the first line concentration nozzle 8 volume
Center strand 12；The steel wire of internal layer 1 passes through the centre of the first noseplate 6 at this time, and the steel wire of middle layer 2 is evenly distributed on first point
The periphery of drum 6 guarantees successfully twisting and goes out the center strand 12 for being two layers, and 2 uniform winding of middle layer is in 1 outside of internal layer；
The steel wire and center strand 12 of outer layer 3, which pass through, is twisted steel wire by the second line concentration nozzle 9 while volume after the second noseplate 7 is uniformly distributed
Beam 13, center strand 12 passes through the centre of the second noseplate 7 at this time, and the steel wire of outer layer 3 is evenly distributed on the outer of the second noseplate 7
It encloses, guarantees that the steel tendon 13 that successfully it is three layers that twisting, which goes out, the steel wire of outer layer 3 uniformly compile twirl in 12 outside of center strand and with unwrapping wire
Rotary body, which is compiled, to be twisted.Such twisting mode is equivalent to twists all steel wires together, and then primary twisting forms, and improves volume and twists effect
Rate.Preferably, the P root steel wire of outer layer 3 compiles twirl by P unwrapping wire rotary body respectively, can not influence the second line concentration nozzle 9 and be twisted into steel
Stress is provided to reduce or eliminate residual stress to the steel wire of outer layer 3 while tow 13.Preferably, the first noseplate 6 is located at
The left side of second noseplate 7, the first line concentration nozzle 8 orderly can so obtain between the first noseplate 6 and the second noseplate 7
The steel tendon of internal layer 1, middle layer 2 and outer layer 3 is uniformly distributed, center strand is first twisted by internal layer 1 and the steel wire of middle layer 2 volume
12, then steel tendon 13 is twisted by center strand 12 and 3 steel wire of outer layer volume, keep process apparent and more compact structure.Preferably,
Diameter of the diameter of one noseplate 6 less than the second noseplate 7.On the one hand since the second noseplate 7 needs the harness that distributes more,
On the other hand, reduce institute's vacuum space to save, the first noseplate 6 and the second noseplate 7 can be made coaxial, make 3 steel wire of outer layer
Directly the first noseplate 6 package can not interfered respectively to work again simultaneously when being distributed by the second noseplate 7.
S3: since the second line concentration nozzle 9 does not rotate, steel tendon 13 is wound on the first wire-crossing wheel 10 and with right side rotary body
5 rotate together, and are equivalent to 9 one end of the second line concentration nozzle at this time and do not rotate, and 10 one end of the first wire-crossing wheel is rotated with right side rotary body 5,
Right side rotary body 5 often rotates a circle, and completes first time twisting, and twisting direction is right-laid at this time.
S4: steel tendon 13 enters left side spin swivel 4 after the first wire-crossing wheel 10, then passes around the second wire-crossing wheel 11 and most
Be wound on Receiving wire wheel 14 eventually, wherein the second wire-crossing wheel 11 with steel tendon 13 with left side rotary body 4 rotate, at this time quite
Fixed in Receiving wire wheel 14, the second wire-crossing wheel 11 is rotated with left side rotary body 4, and left side rotary body 4 often rotates a circle, and is completed
Second of twisting, twisting direction is the second wire-crossing wheel 11 to 14 twisting of Receiving wire wheel at this time, and orientation is right-laid, and then steel wire is compiled
It is twisted rope.Rotary body 4 and right side rotary body 5 turn to identical on the left of step 3 and step 4, so that two sides twisting is all right-laid, phase
Twisting twice is completed when rotating a circle in rotary body, substantially increases production efficiency.The anti-twisted formula rotation of the steel wire of outer layer 3 simultaneously,
Residualinternal stress reduces, and inside and outside layer steel wire adds torsion to cancel out each other, and finished product steel wire twisting intersects back silk fraction defective decline, structure
Performance is stablized, and fatigue performance is promoted.
Preferably, the lay pitch is identical inside and outside the polygon steel cord of the method production provided through the invention, becomes rule
It whole polygon and does not deform in process of production.
Preferably, internal layer 1 is a steel wire or a core strand, and middle layer 2 includes N root steel wire, and outer layer 3 includes P root steel wire,
And P > N > 1.Since the steel wire radical of each layer according to different needs is different, steel cord of the invention is polygon layer structure,
Currently on the market commonly it is 1+6+12 structure type, uses internal layer for a steel wire in the present embodiment, N=6, P=12 so may be used
To compile the hexagonal structure for being twisted three layers, as shown in Figure 2.To make time polygonized structure more firm, it is preferable that the one of internal layer 1
Root steel wire or the diameter of a core strand are 0.20-0.35mm；6 steel wires of middle layer 2 and 12 diameters of outer layer 3 are 0.170-
0.30mm；It can so to realize line connection between each steel wire of entire three layers of hexagon steel cord, keep structure more firm,
And the differences such as energy output regular tenacity (NT), high-intensitive (HT), superhigh intensity (ST), Extra High Strength (UT), very high strength (MT)
Strength grade regular hexagon, layer structure steel cord.
A kind of production method of polygon steel cord of the invention can effectively obtain polygon stratiform structural steel cord, energy
Stablize steel wire configuration state；Twisting defective products intersects back silk yield and has dropped 2 tons/month, and qualification rate promotes 2%；Promote steel wire
Energy index: ballistic work performance boost 1.46J (joule), fatigue behaviour rise 748 times；The anti-twisted formula of cover wire without torsion twisting,
The flat wire broken rate of ton is reduced, the flat fracture of wire of ton has dropped 1.5 times/ton；Improve bogie radial performance, improves load-carrying car
Radial tire service life, while improving steel cord high efficiency.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (10)
1. a kind of production method of polygon steel cord, the polygon steel cord is once twisted using putting interior receipts formula double twisting device outside
Molding, the polygon steel cord are that concentric layer structure includes internal layer, middle layer and outer layer；The outer interior receipts formula pair of putting is twisted
Machine includes left side rotary body, right side rotary body, unwrapping wire rotary body, the first noseplate, the second noseplate, the first line concentration nozzle, second
Line concentration nozzle, the first wire-crossing wheel and the second wire-crossing wheel；Characterized by the following steps:
S1: first preparing the steel wire of the internal layer, the middle layer and the outer layer, wherein the internal layer and the middle layer
Steel wire is external in discharge platform, and the steel wire of the outer layer is evenly distributed on inside unwrapping wire rotary body and with the unwrapping wire rotary body
It compiles and twists；
S2: the steel wire of the middle layer and the internal layer is compiled after being uniformly distributed by first noseplate by the first line concentration nozzle
It is twisted center strand；The steel wire of the outer layer and the center strand be uniformly distributed by second noseplate after by second
Line concentration nozzle is compiled be twisted steel tendon simultaneously；
S3: since the second line concentration nozzle does not rotate, the steel tendon is wound on first wire-crossing wheel and revolves with the right side
Swivel rotates together, and the right side rotary body often rotates a circle, and completes first time twisting；
S4: the steel tendon enters the left side rotary body after first wire-crossing wheel, then passes around described second and crosses line
It takes turns and is finally wound on Receiving wire wheel, wherein second wire-crossing wheel is with the steel tendon as the left side rotary body revolves
Turn, the left side rotary body often rotates a circle, and completes second of twisting, and then steel wire volume is twisted rope.
2. the production method of polygon steel cord as described in claim 1, it is characterised in that: the middle layer, which is compiled, twists described
The outside of internal layer, the outer layer, which is compiled, to be twisted in the outside of the middle layer.
3. the production method of polygon steel cord as described in claim 1, it is characterised in that: the internal layer be a steel wire or
A piece core strand, the middle layer include N root steel wire, and the outer layer includes P root steel wire, and P > N > 1.
4. the production method of polygon steel cord as claimed in claim 3, it is characterised in that: a steel wire of the internal layer or
The diameter of a piece core strand is 0.20-0.35mm, and the N root steel wire of the middle layer and the P root gauge of wire of the outer layer are
0.170-0.30mm。
5. the production method of polygon steel cord as claimed in claim 3, it is characterised in that: the P root steel wire of the outer layer is by P
A unwrapping wire rotary body compiles twirl respectively.
6. the production method of polygon steel cord as described in claim 1, it is characterised in that: all rotary bodies are to turn in the same direction
It is dynamic.
7. the production method of polygon steel cord as claimed in claim 6, it is characterised in that: the steel wire of the outer layer is described
Stress is eliminated by the rotary body rotation of two sides at second line concentration nozzle.
8. the production method of polygon steel cord as described in claim 1, it is characterised in that: produced by the method more
The lay pitch is identical inside and outside the shape steel cord of side.
9. the production method of polygon steel cord as described in claim 1, it is characterised in that: first noseplate is located at institute
The left side of the second noseplate is stated, the first line concentration nozzle is between first noseplate and second noseplate.
10. the production method of polygon steel cord as described in claim 1, it is characterised in that: first noseplate it is straight
Diameter is less than the diameter of second noseplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335240.1A CN109537335A (en) | 2018-11-10 | 2018-11-10 | A kind of production method of polygon steel cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335240.1A CN109537335A (en) | 2018-11-10 | 2018-11-10 | A kind of production method of polygon steel cord |
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| CN109537335A true CN109537335A (en) | 2019-03-29 |
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| CN201811335240.1A Pending CN109537335A (en) | 2018-11-10 | 2018-11-10 | A kind of production method of polygon steel cord |
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| CN (1) | CN109537335A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304941A (en) * | 2020-02-20 | 2020-06-19 | 江苏兴达钢帘线股份有限公司 | Multilayer strand steel wire rope production equipment |
| CN111621895A (en) * | 2020-04-27 | 2020-09-04 | 江苏兴达钢帘线股份有限公司 | Production method and production device of steel cord |
| CN111621896A (en) * | 2020-04-27 | 2020-09-04 | 江苏兴达钢帘线股份有限公司 | Production method of laminated structure steel cord |
| CN114775316A (en) * | 2022-01-24 | 2022-07-22 | 马书霞 | Manufacturing equipment and manufacturing process of new energy automobile clutch stay wire |
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| CN111621896A (en) * | 2020-04-27 | 2020-09-04 | 江苏兴达钢帘线股份有限公司 | Production method of laminated structure steel cord |
| CN114775316A (en) * | 2022-01-24 | 2022-07-22 | 马书霞 | Manufacturing equipment and manufacturing process of new energy automobile clutch stay wire |
| CN114775316B (en) * | 2022-01-24 | 2024-02-27 | 湖南永泰汽车零部件制造有限公司 | Manufacturing equipment and manufacturing process of clutch stay wire of new energy automobile |
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