CN102350444A - Processing process for zinc brass wire - Google Patents
Processing process for zinc brass wire Download PDFInfo
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- CN102350444A CN102350444A CN2011101996482A CN201110199648A CN102350444A CN 102350444 A CN102350444 A CN 102350444A CN 2011101996482 A CN2011101996482 A CN 2011101996482A CN 201110199648 A CN201110199648 A CN 201110199648A CN 102350444 A CN102350444 A CN 102350444A
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- copper wire
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Abstract
The invention discloses a processing process for zinc brass wires. The process comprises the steps of drawing, shaving, continues drawing, annealing, rolling and the like. The invention has the following advantages: 1, no pickling is needed, thereby reducing affection on environment, production cost and harm to workers; 2, on-line direct current voltage is used for annealing to substitute original oxidizing annealing, thereby eliminating loss of copper in the process of oxidizing annealing and enabling the problem of maximum utilization of copper resource to be overcome; 3, high-speed continuous drawing and annealing and brass processing technology with a great processing rate are used to substitute original multiple repeated drawing, which enables labor productivity to be effectively improved, is of realistic significance and can change original production and processing modes in the whole industry of processing of zinc brass wires.
Description
Technical field
The present invention relates to the copper wire production technical field, particularly a kind of processing technology of zinc yellow copper wire.
Background technology
In the evolution of brass wire processing, initial process equipment uses the process equipment of steel wire to produce basically, and drawing process is that single pass is processed, and utilizes oxidizing annealing to solve blank stretching interior tissue afterwards crystallisation problems again between every time.Process equipment is that machine drawing for sleeping in or three that steel wire processing is often used connects the equipment that draws and so on, and mechanicalness noise is big.Its mold lubrication all adopts butter to be lubricated, and oil smoke is bigger in use, and environmental pollution is heavier, and working strength of workers is bigger simultaneously, and production efficiency is low.Need carry out after the annealing could processing once more after the pickling, whole pickling process has greater environmental impacts, and the proportion of goods damageds of copper are high, and the yield rate of copper material is lower, simultaneously environment is impacted, and labourer's health is damaged.Later stage has carried out connecting and has drawn improvement on the basis of singly drawing, and is main but connect machine drawing with pulley-type basically, and mold lubrication still adopts butter lubricated, but working modulus is no more than 60% basically.The problem that this kind equipment exists when singly drawing equipment to use to still existing.
Along with the progress of society, human to the reinforcement of environmental protection consciousness and the continuous reinforcement of operating personnel's autoprotection, the lifting that the labor productivity of whole industry also need not stopped.Improve operating environment, reduce labor intensity of operating personnel, improve the development trend of the labor productivity of whole link for the processing of conventional zinc brass.The development of the processing technology of conventional zinc brass strand will combine the red copper method for processing; Utilize the type of water tank machine, utilize emulsion to be lubricated, according to the characteristic of the multi-pass of brass processing; Every time mechanical draft of reasonable distribution solves the continuously elongated problem of big working modulus.Another kind of developing direction is then produced for continuously extruded mode, because the fusing point of zinc is much lower than copper in the ormolu, now also can't solve the problem of in extrusion process, analysing zinc, also need solve the problem that oxidizing annealing needs pickling simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to the deficiency of prior art, a kind of processing technology that can once produce direct processing, avoid the zinc yellow copper wire of pickling to be provided.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of processing technology of zinc yellow copper wire, and described technology may further comprise the steps:
A) stretch: use drawing-die that the zinc yellow copper wire is stretched, the zinc yellow copper wire is cooled off, and, simultaneously the zinc yellow copper wire is decided core the refinement of brass casting billet surface crystallization line;
B) dig skin: use the plane mould that the zinc yellow copper wire is dug skin, remove its surface crystallization line;
C) connect and to draw: use wire drawing machine that the zinc yellow copper wire is carried out multimode and connect and draw, the line footpath of zinc yellow copper wire is pulled to 2.2～3.0mm by 8.0mm;
D) annealing: adopt preheating section, bringing-up section, the annealing of cooling section syllogic, adopt DC voltage to anneal;
E) rolling: the zinc yellow copper wire is carried out alignment, rolling then.
In step c, multimode connects that to draw be 9 Mo Lianla, and drawing speed is 390m/min, and the line footpath of zinc yellow copper wire is pulled to 2.8mm by 8.0mm.
In steps d, direct current annealing voltage is 61v, and size of current is 2KA.
In step b and c, all use emulsion to be sprayed on the wire-drawing die and be lubricated.
The present invention adopts said method, has the following advantages: 1, need not pickling, reduced the influence to environment, reduced production cost and reached the injury to labourer; 2, the copper loss that replaces original oxidizing annealing, reduces in the oxidizing annealing of annealing with online DC voltage is lost, and can solve copper resource maximum using problem; 3, utilize high speed Lian Lalian to move back and the big working modulus technology generation of brass for original multi-pass repeated stretching problem such as effectively raise labour productivity, have realistic meanings, can change the original production and processing mode of whole industry.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation;
Fig. 1 is the flow chart of steps of technology of the present invention;
The specific embodiment
The processing technology of a kind of zinc yellow copper wire as shown in Figure 1 is characterized in that: described technology may further comprise the steps:
A) stretch: use drawing-die that the zinc yellow copper wire is stretched, the zinc yellow copper wire is cooled off, and, simultaneously the zinc yellow copper wire is decided core the refinement of brass casting billet surface crystallization line;
B) dig skin: use the plane mould that the zinc yellow copper wire is dug skin, remove its surface crystallization line;
C) connect and to draw: use wire drawing machine that the zinc yellow copper wire is carried out multimode and connect and draw, the line footpath of zinc yellow copper wire is pulled to 2.2～3.0mm by 8.0mm;
D) annealing: adopt preheating section, bringing-up section, the annealing of cooling section syllogic, adopt DC voltage to anneal;
E) rolling: the zinc yellow copper wire is carried out alignment, rolling then.
In step b and c, all use emulsion to be sprayed on the wire-drawing die and be lubricated.Be exactly to utilize emulsion lubrication to replace butter lubricated specifically; Emulsion carries out continuous lubrication through spray on wire-drawing die; Except that reducing pickling, also play the effect of cooling die, avoid the lubricated mould heating of butter to give birth to cigarette, improve production environment and wire drawing efficient.
In step c, it is 9 Mo Lianla that multimode is even drawn, and 9 Mo Lianla promptly need process wire rod is realized the stretching plastic deformation that lines directly diminish, length increases continuously through 9 wire-drawing dies form processing.Drawing speed is 390m/min, and the line of zinc yellow copper wire footpath is pulled to 2.8mm by 8.0mm, the 2.8mm best results.
In steps d, direct current annealing voltage is 61v, and size of current is 2KA.
It mainly is the plane skin technology according to former machine drawing for sleeping in that Lian Lalian digs the application of technology in drawing the water tank machine greatly; In a step,, increase a unit separately at water tank machine inlet wire front end in conjunction with the characteristics of water tank machine; Comprise a cover drawing-die and a drawing-die cooling and lubricating device; The effect of this drawing-die mainly plays first road and stretches, and with the crystallization line refinement of brass casting billet surface, the plane mould is played decide the core effect simultaneously; One cover digs instrument and digs the skin mould cooling apparatus, mainly plays the wire rod after stretching is together removed the surface crystallization line.Excessive according to the hardness increase of one processing back of brass, the deep camber bending can be led the wire rod fracture, takes turns the cone pulley structure that replaces former red copper big drawing machine with the plain-barreled roll drawing, according to the size in silk footpath, and the cone pulley of outfit different-diameter in the water tank machine.According to the processing characteristics of brass, its working modulus can not average distribution according to total working modulus, adopts; Line footpath processing characteristics according to each passage adopts the mechanical draft that designs per pass plain-barreled roll drawing wheel by the mode that subtracts, and utilizes the Gear Processing precision of plant equipment and the machining accuracy of mould; The coefficient that guarantees to skid minimizes, and reduces the wearing and tearing of plain-barreled roll drawing wheel, solves brass in big working modulus process; The difficult problem of the easy more broken string of back processing is for rate processing greatly provides equipment to guarantee.Original water tank type wire drawing machine is general, and what adopt is the project organization that main frame and constant speed are taken turns one, but this structure is when changing specification aborning, need be according to different outlet specifications; Weigh neoallotype and wear mould, efficient is low during the equipment replacement specification, when this department develops at the continuous system for drawing of high-effect brass; The transmission system of main wire drawing machine and the transmission system of constant speed wheel independently are separated, and the mechanical draft that last passage constant speed is taken turns between preceding can be adjusted, and utilizes combining of Direct Current Governor System and industrial control system; Reach the purpose of excellent control; This point makes when changing the outlet specification, only needs to take turns the increase of preceding road or reduce mould in constant speed, and changing the outlet mould again can accomplish; Need not change whole moulds in preceding road, the die change efficient of raising; Because the electric conductivity of brass is than red copper difference, its heat-conductive characteristic is than red copper difference, and it is much hard that the hardness ratio red copper of the large dimension wire before the annealing is wanted; Utilize original red copper to be pulled in the online annealing that the line annealing device does not fit into brass greatly, the radius of curvature of all annealing wheel, passageway wheel and cabling has all been carried out corresponding increase in this exploitation, in the d step; Adopt syllogic annealing on the annealing way, because poorly conductive has increased preheating section and heading-length; Because heat-conductive characteristic is poor, increased the cooling section of quick cooling device and prolongation, in the annealing electrical control; Adopt the annealing control model of high voltage low current, solved above problem; With the water tank drawbench synchronization aspects, the driving of annealing machine is by the constant speed wheel drive of wire drawing machine, guaranteed annealing and the wire drawing of preceding road synchronously.Plum blossom line of fall lap former is widespread usage in the big-and-middle water wire drawing machine of red copper; In brass, drawing also has application in moving back; But draw the just footpath of the line about
of the product produced in the brass; Its annealing back is little with the performance difference of red copper, but the line of the brass wire that the continuous system for drawing of this high-effect brass is produced footpath is all more than
, and its hardness is bigger than the hardness of the red copper annealing silk of this specification; When rolling, be prone to produce distortion; Easy-formation not is according to this specific character of brass, in the e step; On traditional plum blossom wire-falling machine, increase the inlet wire coalignment; Eliminate the inner stress of brass, reach the purpose of the free rolling line of fall, through test of many times; Rolling is respond well, can satisfy the line of fall demand in various big gauge wire footpath fully.Because the application of AC frequency conversion system in Industry Control; Existing most of wire drawing machinees have all adopted the AC frequency conversion system, when the continuous system for drawing of this high-effect brass is developed, consider that the velocity control accuracy that direct current generator utilizes encoder to combine with direct current control apparatus will be higher than AC frequency conversion control; The dynamic direct current generator that all adopts; Utilize combining of industry control program and direct-flow controlling device, solved speed proportioning and interlock problem between each position, strengthened the equipment traveling comfort.Improve device rate, make drawing speed reach 600 meters/minute, solved the brass wire section of the drawing speed problem that can not promote greatly.Adopt water tank drawbench that good barrier propterty is arranged.The emulsion reusable edible.
In the former technological process; 8.0mm connecting machine drawing through 560 vertical five, continuous up-casting bar base or soft attitude silk be worked into 4.5mm; Carry out behind the oxidizing annealing again through overpickling through push rod furnace; Utilize 400 plain-barreled roll water tanks to be machined to the semi-finished product silk of 2.2～3.0mm, just can descend the processing of a time again after process oxidizing annealing and the pickling.
In the existing technological process, 8mm continuous up-casting bar base or soft attitude silk are produced the soft attitude silk that directly can be machined to 2.2～3.0mm through the capable a time of the excessive company of drawing setback, get into the production of back a time again.
Utilize emulsion lubrication to replace the lubricated and minimizing pickling link of butter, need not pickling, reduced influence, labourer's injury reduction to environment; The copper loss that replaces original oxidizing annealing, reduces in the oxidizing annealing of annealing with online DC voltage is lost, and can solve copper resource maximum using problem; Utilize high speed Lian Lalian to move back and the big working modulus technology generation of brass for original multi-pass repeated stretching problem such as effectively raise labour productivity, have realistic meanings, can change the original production and processing mode of whole industry.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (4)
1. the processing technology of a zinc yellow copper wire, it is characterized in that: described technology may further comprise the steps:
A) stretch: use drawing-die that the zinc yellow copper wire is stretched, the zinc yellow copper wire is cooled off, and, simultaneously the zinc yellow copper wire is decided core the refinement of brass casting billet surface crystallization line;
B) dig skin: use the plane mould that the zinc yellow copper wire is dug skin, remove its surface crystallization line;
C) connect and to draw: use wire drawing machine that the zinc yellow copper wire is carried out multimode and connect and draw, the line footpath of zinc yellow copper wire is pulled to 2.2～3.0mm by 8.0mm;
D) annealing: adopt preheating section, bringing-up section, the annealing of cooling section syllogic, adopt DC voltage to anneal;
E) rolling: the zinc yellow copper wire is carried out alignment, rolling then.
2. the processing technology of a kind of zinc yellow copper wire according to claim 1 is characterized in that: in step c, multimode connects that to draw be 9 Mo Lianla, and drawing speed is 390m/min, and the line footpath of zinc yellow copper wire is pulled to 2.8mm by 8.0mm.
3. the processing technology of a kind of zinc yellow copper wire according to claim 1 is characterized in that: in steps d, direct current annealing voltage is 61v, and size of current is 2KA.
4. the processing technology of a kind of zinc yellow copper wire according to claim 1 is characterized in that: in step b and c, all use emulsion to be sprayed on the wire-drawing die and be lubricated.
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| CN2011101996482A CN102350444A (en) | 2011-07-15 | 2011-07-15 | Processing process for zinc brass wire |
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| CN2011101996482A CN102350444A (en) | 2011-07-15 | 2011-07-15 | Processing process for zinc brass wire |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344729A (en) * | 2015-12-02 | 2016-02-24 | 芜湖楚江合金铜材有限公司 | Rolling moulding equipment for high-quality copper alloy special-shaped wires |
| CN107626756A (en) * | 2017-11-13 | 2018-01-26 | 苏州新区特氟龙塑料制品厂 | A kind of stainless steel wire drawing technique |
| CN108620442A (en) * | 2018-05-07 | 2018-10-09 | 安徽润藤电缆材料科技有限公司 | A kind of alloy copper wiredrawing method |
| CN109702033A (en) * | 2018-12-28 | 2019-05-03 | 芜湖楚江合金铜材有限公司 | A kind of production method of video brass wire |
| CN110016585A (en) * | 2019-05-17 | 2019-07-16 | 安徽协同创新设计研究院有限公司 | A kind of processing method of alloy wire |
| CN110016586A (en) * | 2019-05-17 | 2019-07-16 | 安徽协同创新设计研究院有限公司 | Iron picture alloy wire |
| CN112044965A (en) * | 2020-08-21 | 2020-12-08 | 南通市华星钢丝制品有限公司 | Method for rapidly preparing 5G communication wire material based on drawing process |
| CN114042769A (en) * | 2021-11-15 | 2022-02-15 | 北京首钢吉泰安新材料有限公司 | Cold machining method and device for iron-chromium-aluminum alloy material thick wire |
| CN114406022A (en) * | 2022-02-05 | 2022-04-29 | 芜湖市宏鑫铜材科技有限公司 | Production process of copper alloy wire for diamond brass brush |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344729A (en) * | 2015-12-02 | 2016-02-24 | 芜湖楚江合金铜材有限公司 | Rolling moulding equipment for high-quality copper alloy special-shaped wires |
| CN107626756A (en) * | 2017-11-13 | 2018-01-26 | 苏州新区特氟龙塑料制品厂 | A kind of stainless steel wire drawing technique |
| CN108620442A (en) * | 2018-05-07 | 2018-10-09 | 安徽润藤电缆材料科技有限公司 | A kind of alloy copper wiredrawing method |
| CN109702033A (en) * | 2018-12-28 | 2019-05-03 | 芜湖楚江合金铜材有限公司 | A kind of production method of video brass wire |
| CN110016585A (en) * | 2019-05-17 | 2019-07-16 | 安徽协同创新设计研究院有限公司 | A kind of processing method of alloy wire |
| CN110016586A (en) * | 2019-05-17 | 2019-07-16 | 安徽协同创新设计研究院有限公司 | Iron picture alloy wire |
| CN112044965A (en) * | 2020-08-21 | 2020-12-08 | 南通市华星钢丝制品有限公司 | Method for rapidly preparing 5G communication wire material based on drawing process |
| CN114042769A (en) * | 2021-11-15 | 2022-02-15 | 北京首钢吉泰安新材料有限公司 | Cold machining method and device for iron-chromium-aluminum alloy material thick wire |
| CN114406022A (en) * | 2022-02-05 | 2022-04-29 | 芜湖市宏鑫铜材科技有限公司 | Production process of copper alloy wire for diamond brass brush |
| CN114406022B (en) * | 2022-02-05 | 2023-11-24 | 郑州恒天铜业有限公司 | Copper alloy wire production process for diamond brass brush |
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Application publication date: 20120215 |