CN104923562A - Titanium and titanium alloy low-cost continuous rolling technology and equipment - Google Patents

Titanium and titanium alloy low-cost continuous rolling technology and equipment Download PDF

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Publication number
CN104923562A
CN104923562A CN201510397175.5A CN201510397175A CN104923562A CN 104923562 A CN104923562 A CN 104923562A CN 201510397175 A CN201510397175 A CN 201510397175A CN 104923562 A CN104923562 A CN 104923562A
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CN
China
Prior art keywords
titanium
rolling
induction heater
rolling unit
titanium alloy
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Pending
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CN201510397175.5A
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Chinese (zh)
Inventor
常辉
董月成
李峰
崔予文
鲁晓刚
周廉
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Priority to CN201510397175.5A priority Critical patent/CN104923562A/en
Publication of CN104923562A publication Critical patent/CN104923562A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a titanium and titanium alloy low-cost continuous rolling technology and equipment. Under argon protecting or inert gas atmosphere, a plasma gun of at least 65 KW is used as a heat source. Through an induction heating furnace, a rolling unit and a guiding wheel component, continuous casting and continuous rolling of titanium and titanium alloy circular and flat cast ingots are achieved. The machining cost of titanium alloy is lowered by about at least 30%. The produced titanium and titanium alloy are even in components, segregation is avoided, metallurgical quality problems are avoided, and the performance of plates and rods obtained by a traditional machining mode and conventional mechanical property are equal.

Description

A kind of titanium or titanium alloy low cost continuous rolling technology and equipment
Technical field
Patent of the present invention relates to a kind of technology and equipment of titanium or titanium alloy low cost tandem rolling, belongs to metal material preparation and manufacture field.
Background technology
Titanium or titanium alloy due to have specific strength high, corrosion-resistant, high temperature resistant, without features such as magnetic, and be widely used in defense-related science, technology and industry and civilian industry technical field by as structural material and functional material.But because titanium or titanium alloy material preparation and fabrication cost is higher, and make it can not be widely applied as iron and steel is the same with aluminium.Cause the reason that titanium or titanium alloy manufacturing cost is higher, except raw material, most importantly the cost of preparation and fabrication process is higher, accounts for about 60% of whole titanium or titanium alloy preparation cost, and titanium processing utilization rate is low simultaneously is also the major reason causing titanium high cost.Therefore, in order to reduce costs, scientific worker is from the low-cost manufacturing technique of titanium sponge, and the aspects such as low-cost titanium alloy research have carried out work.For this technology relatively ripe in iron and steel and the industry such as aluminium, copper of continuous casting and rolling, the work that conducts a research in titanium alloy is less.
1998, the people such as the H.G.Suzuki of metal material technical research institute of Japan have studied high temperature process deformation mechanism and the window of titanium or titanium alloy, attempt to provide foundation to the possibility that realizes of the continuously casting and continuously rolling technology of titanium or titanium alloy, but do not carry out relevant substantive work.
Summary of the invention
Object of the present invention is exactly for reducing the manufacturing cost of titanium or titanium alloy, shortened process, realize that titanium or titanium alloy is efficient, short route, cost degradation manufacture and invented a kind of continuous rolling technology and equipment of titanium or titanium alloy.
For solving above-mentioned technical problem, the invention provides a kind of continuous rolling technology of titanium or titanium alloy, it comprises the following steps:
A, charging: titanium or titan alloy casting ingot are transported on the discharging track in induction heater;
B, heating: when being transported to when titanium or titan alloy casting ingot on the discharging track in induction heater, utilize electromagnetic induction to heat titanium or titan alloy casting ingot by carrying out energising to induction heater;
C, insulation conveying: the pure titanium heated in step a or titan alloy casting ingot are transported in rolling unit from induction heater under the state of insulation;
D, rolling: utilize rolling unit in step b insulation conveying come in pure titanium or titan alloy casting ingot carry out continuous rolling;
E, discharging: material continuous rolling completed by guide wheel assembly is transported in skid bed from rolling unit.Further: described rolling unit is six frame Y type rolling units, six described frame Y type rolling units are made up of bar continuous rolling unit and sheet material continuous rolling unit again.
Present invention also offers a kind of continuing rolling apparatus of titanium or titanium alloy, comprise induction heater, rolling unit, guide wheel assembly and skid bed, described induction heater, rolling unit, guide wheel assembly and skid bed are from left to right arranged in order, discharging track is also provided with in described induction heater, induction heater on the right side of described discharging track is provided with discharging opening, the height of described discharging opening is corresponding with the roll down station height of rolling unit, the guiding station height of described guide wheel is corresponding with the roll down station height of rolling unit, described discharging track is provided with driven roller.
Further: described rolling unit is two-roller mill, and described two-roller mill is provided with two, in described left side two-roller mill, the spacing of two rods is greater than the spacing of two rods in the two-roller mill of right side.
Further again: described guide wheel assembly is arranged in order by three groups of rollers and forms, and described often group roller is made up of two upper and lower arranged opposite of cylinder again, and the described spacing up and down between two cylinders is identical with the spacing of two rods in the two-roller mill of right side.
Further again: the outside of described induction heater is provided with heat-insulation layer.
Beneficial effect of the present invention is:
1, adopt the holding furnace of eddy-current heating and the combination of Y type roll mill unit, realize carrying out smoothly of continuous rolling, and the rolling of rod, sheet material can be realized.
2, the frame quantity changing or increase unit to the roll of six frame y-type rolling mills also can the thinner titanium or titanium alloy wire rod of rolling.
3, the continuous rolling of titanium or titanium alloy circular blank or flat blank is achieved.
4, adopt this technology effectively can reduce titanium or titanium alloy and prepare processing cost about 20%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
The invention provides a kind of continuous rolling technology of titanium or titanium alloy, comprise the following steps:
A, charging: titanium or titan alloy casting ingot are transported on the discharging track in induction heater;
B, heating: when being transported to when titanium or titan alloy casting ingot on the discharging track in induction heater, utilize electromagnetic induction to heat titanium or titan alloy casting ingot by carrying out energising to induction heater;
C, insulation conveying: the pure titanium heated in step a or titan alloy casting ingot are transported in rolling unit from induction heater under the state of insulation;
D, rolling: utilize rolling unit in step b insulation conveying come in pure titanium or titan alloy casting ingot carry out continuous rolling;
E, discharging: material continuous rolling completed by guide wheel assembly is transported in skid bed from rolling unit.
Rolling unit described in above-mentioned continuous rolling technology is six frame Y type rolling units, and six described frame Y type rolling units are made up of bar continuous rolling unit and sheet material continuous rolling unit again.
The circle obtained through continuous casting and flat ingot casting are sent in induction heater by the present invention, by inductive loop, ingot casting is heated, then under the state of insulation the ingot casting after heated by induction heater out after by driven roller, ingot casting is sent into six frame y-type rolling mills before niproll, ingot casting is rolled by technological requirement.The roll of y-type rolling mill can be determined according to the shape of ingot casting, expect by last frame of y-type rolling mill out after, by guide wheel assembly, material is sent in skid bed, so just completes the work of tandem rolling.The design adopts the holding furnace of eddy-current heating and the combination of Y type roll mill unit, realizes carrying out smoothly of continuous rolling, and can realize the rolling of rod, sheet material; And thinner titanium or titanium alloy wire rod can be rolled out by the frame quantity changing or increase unit to the roll of six frame y-type rolling mills.
Present invention also offers a kind of continuing rolling apparatus of titanium or titanium alloy as shown in Figure 1, comprise induction heater 1, rolling unit 2, guide wheel assembly 3 and skid bed 4, described induction heater 1, rolling unit 2, guide wheel assembly 3 and skid bed 4 are from left to right arranged in order, discharging track 5 is also provided with in described induction heater 1, induction heater 1 on the right side of described discharging track 5 is provided with discharging opening 6, the height of described discharging opening 6 is corresponding with the roll down station height of rolling unit 2, the guiding station height of described guide wheel 3 is corresponding with the roll down station height of rolling unit 2, described discharging track 5 is provided with driven roller.The circle obtained through continuous casting and flat ingot casting are sent in induction heater 1 by the present invention, by inductive loop, ingot casting is heated, then the ingot casting heated is made to be delivered in rolling unit 2 along discharging track 5 under the effect of driven roller, ingot casting is made to utilize rolling unit 2 to carry out continuous rolling to it by technological requirement, be delivered in skid bed under the effect by guide wheel assembly 3 of the material of roll forming and deposit, so just complete the work of tandem rolling.The design adopts the holding furnace of eddy-current heating and the combination of rolling unit 2, realizes carrying out smoothly of continuous rolling, and can realize the rolling of rod, sheet material; And thinner titanium or titanium alloy wire rod can be rolled out by the frame quantity changing or increase unit to the roll of rolling unit 2.
Described rolling unit 2 is as shown in Figure 1 two-roller mill, and described two-roller mill is provided with two, and in described left side two-roller mill, the spacing of two rods is greater than the spacing of two rods in the two-roller mill of right side.The ingot casting heated can constantly be delivered in rolling unit 2 from induction heater 1 under the effect of guide wheel assembly 3, thus utilizes two two-roller mills to carry out continuous rolling to ingot casting.When the titanium or titanium alloy wire rod needing rolling thinner, can be realized with the spacing changing two rods in two-roller mill by the quantity increasing two-roller mill.
Guide wheel assembly 3 is as shown in Figure 1 arranged in order by three groups of rollers and forms, and described often group roller is made up of two upper and lower arranged opposite of cylinder again, and the described spacing up and down between two cylinders is identical with the spacing of two rods in the two-roller mill of right side.The design utilizes frictional force to realize the conveying to material by swing roller, and it has the advantage that structure is simple, be easy to manufacture and practicality and high efficiency.
The outside of induction heater 1 is as shown in Figure 1 provided with heat-insulation layer.The design is carried the ingot casting after heating by heat-insulation layer, utilizes this technology to achieve titanium or titanium alloy continuous rolling, eliminates ingot casting and reheat, decrease unnecessary loss.

Claims (6)

1. a continuous rolling technology for titanium or titanium alloy, is characterized in that: comprise the following steps:
A, charging: titanium or titan alloy casting ingot are transported on the discharging track in induction heater;
B, heating: when being transported to when titanium or titan alloy casting ingot on the discharging track in induction heater, utilize electromagnetic induction to heat titanium or titan alloy casting ingot by carrying out energising to induction heater;
C, insulation conveying: the pure titanium heated in step b or titan alloy casting ingot are transported in rolling unit from induction heater under the state of insulation;
D, rolling: utilize rolling unit in step c insulation conveying come in pure titanium or titan alloy casting ingot carry out continuous rolling;
E, discharging: material continuous rolling completed by guide wheel assembly is transported in skid bed from rolling unit.
2. the continuous rolling technology of a kind of titanium or titanium alloy according to claim 1, it is characterized in that: described rolling unit is six frame Y type rolling units, six described frame Y type rolling units are made up of bar continuous rolling unit and sheet material continuous rolling unit again.
3. the continuing rolling apparatus of a titanium or titanium alloy, it is characterized in that: comprise induction heater (1), rolling unit (2), guide wheel assembly (3) and skid bed (4), described induction heater (1), rolling unit (2), guide wheel assembly (3) and skid bed (4) are from left to right arranged in order, discharging track (5) is also provided with in described induction heater (1), the induction heater (1) on described discharging track (5) right side is provided with discharging opening (6), the height of described discharging opening (6) is corresponding with the roll down station height of rolling unit (2), the guiding station height of described guide wheel (3) is corresponding with the roll down station height of rolling unit (2), described discharging track (5) is provided with driven roller.
4. the continuing rolling apparatus of a kind of titanium or titanium alloy according to claim 3, it is characterized in that: described rolling unit (2) is two-roller mill, described two-roller mill is provided with two, and in described left side two-roller mill, the spacing of two rods is greater than the spacing of two rods in the two-roller mill of right side.
5. the continuing rolling apparatus of a kind of titanium or titanium alloy according to claim 4, it is characterized in that: described guide wheel assembly (3) is arranged in order by three groups of rollers and forms, described often group roller is made up of two upper and lower arranged opposite of cylinder again, and the described spacing up and down between two cylinders is identical with the spacing of two rods in the two-roller mill of right side.
6. the continuing rolling apparatus of a kind of titanium or titanium alloy according to claim 3, is characterized in that: the outside of described induction heater (1) is provided with heat-insulation layer.
CN201510397175.5A 2015-07-08 2015-07-08 Titanium and titanium alloy low-cost continuous rolling technology and equipment Pending CN104923562A (en)

Priority Applications (1)

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CN201510397175.5A CN104923562A (en) 2015-07-08 2015-07-08 Titanium and titanium alloy low-cost continuous rolling technology and equipment

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Application Number Priority Date Filing Date Title
CN201510397175.5A CN104923562A (en) 2015-07-08 2015-07-08 Titanium and titanium alloy low-cost continuous rolling technology and equipment

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CN104923562A true CN104923562A (en) 2015-09-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105750328A (en) * 2016-04-06 2016-07-13 西安赛特思迈钛业有限公司 Method for continuously rolling and machining titanium and titanium alloy bars with small specifications
CN107790493A (en) * 2017-10-23 2018-03-13 陕西海恩得工贸有限公司 A kind of milling method of stud
CN111659864A (en) * 2020-06-20 2020-09-15 南京工业大学 High-efficiency high-throughput continuous casting and rolling system and process for titanium alloy bars

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145349A (en) * 1978-05-04 1979-11-13 Kobe Steel Ltd Cold rolling of titanium and titanium alloy
CN101152653A (en) * 2006-09-27 2008-04-02 厦门虹鹭钨钼工业有限公司 Method for rolling titanium and titanium alloy bar wire bar with three-roller type Y continuous rolling mill
CN101811135A (en) * 2009-11-30 2010-08-25 莱芜钢铁股份有限公司 Method for producing titanium strip by adopting conventional hot continuous rolling machine set
CN103008340A (en) * 2012-12-12 2013-04-03 宝钛集团有限公司 Hot continuous rolling production line of titanium and titanium alloy wire rod and production process
CN103008341A (en) * 2012-12-12 2013-04-03 宝钛集团有限公司 Titanium and titanium alloy bar hot continuous rolling production line and production process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145349A (en) * 1978-05-04 1979-11-13 Kobe Steel Ltd Cold rolling of titanium and titanium alloy
CN101152653A (en) * 2006-09-27 2008-04-02 厦门虹鹭钨钼工业有限公司 Method for rolling titanium and titanium alloy bar wire bar with three-roller type Y continuous rolling mill
CN101811135A (en) * 2009-11-30 2010-08-25 莱芜钢铁股份有限公司 Method for producing titanium strip by adopting conventional hot continuous rolling machine set
CN103008340A (en) * 2012-12-12 2013-04-03 宝钛集团有限公司 Hot continuous rolling production line of titanium and titanium alloy wire rod and production process
CN103008341A (en) * 2012-12-12 2013-04-03 宝钛集团有限公司 Titanium and titanium alloy bar hot continuous rolling production line and production process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105750328A (en) * 2016-04-06 2016-07-13 西安赛特思迈钛业有限公司 Method for continuously rolling and machining titanium and titanium alloy bars with small specifications
CN107790493A (en) * 2017-10-23 2018-03-13 陕西海恩得工贸有限公司 A kind of milling method of stud
CN111659864A (en) * 2020-06-20 2020-09-15 南京工业大学 High-efficiency high-throughput continuous casting and rolling system and process for titanium alloy bars

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Application publication date: 20150923

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