CN103008340B - Hot continuous rolling production line of titanium and titanium alloy wire rod and production process - Google Patents
Hot continuous rolling production line of titanium and titanium alloy wire rod and production process Download PDFInfo
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- CN103008340B CN103008340B CN201210535386.7A CN201210535386A CN103008340B CN 103008340 B CN103008340 B CN 103008340B CN 201210535386 A CN201210535386 A CN 201210535386A CN 103008340 B CN103008340 B CN 103008340B
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Abstract
The invention relates to a hot continuous rolling production line of titanium and a titanium alloy wire rod and a production process. An axial rolling production line of titanium and the titanium alloy wire rod is formed by vertically and sequentially connecting a heating furnace, a transverse two-roller roughing rolling unit, a high rigidity short stress line vertical two-roller intermediate rolling unit, a high rigidity short stress line vertical two-roller pre-finishing rolling unit, a Morgan type finishing rolling unit and a low speed active wire coil collecting barrel. Heat by deformation generated by resistance to deformation during rolling is reduced with the adoption of a low speed continuous rolling process, so that the microstructure and properties of a rolled piece are ensured, and qualified wire rods are directly produced. The production line provided by the invention can roll all titanium and titanium alloy wire rods with a diameter of 5-12mm, so that production of high precision, large rolled heavy titanium and titanium alloy wire rods can be realized, and the production efficiency is high and the production cost is low.
Description
Technical field
The invention belongs to titanium and its alloy work technical field, be specifically related to a kind of titanium or titanium alloy wire rod hot continuous rolling production line and production technology.
Background technology
Titanium or titanium alloy is due to the atomic structure of its uniqueness and texture structure, belong to difficult distortion, difficult-to-machine metal, prior art generally adopts the many fire of segmented time heating rolling titanium or titanium alloy wire rod, but Kinds of Heavy Coil (general wire rod monovolume is heavily no more than 10Kg) cannot be realized, and rolling quality is poor, cost is high, production efficiency is low.Because the thermal conductivity of titanium or titanium alloy is special poor, the deformation heat that during rolling, resistance of deformation produces not easily spreads out of, particularly when rolling high-strength, high-temperature titanium alloy, very easily there is overheated structure in metal inside, rolled piece is caused easily to occur organizing overheated, non-uniform phenomenon, rolled piece interior tissue and performance cannot be ensured, be difficult to obtain qualified wire rod.
Summary of the invention
The technical problem that the present invention solves: a kind of titanium or titanium alloy wire rod hot continuous rolling production line and production technology are provided, achieve the continuous rolling of titanium or titanium alloy wire rod, and ensure that rolled piece interior tissue and performance, directly produce qualified wire rod.
Technical solution of the present invention: a kind of titanium or titanium alloy wire rod hot continuous rolling production line, is made up of heating furnace, cross-arranging type two roller roughing mills, high rigidity short-stress path lap siding two roller intermediate mill, high rigidity short-stress path lap siding two roller pre-finishing mill group, root type mm finishing mill unit of rubbing and the low speed active coil of wire surge drum longitudinally connected successively; Described heating furnace discharging opening is connected with cross-arranging type two roller roughing mills charging aperture by rollgang I, cross-arranging type two roller roughing mills discharging opening is connected with high rigidity short-stress path lap siding two roller intermediate mill charging aperture by rollgang II, and is provided with crop shears between rollgang II end and high rigidity short-stress path lap siding two roller intermediate mill charging aperture; Flying shear I is provided with between described high rigidity short-stress path lap siding two roller intermediate mill discharging opening and high rigidity short-stress path lap siding two roller pre-finishing mill group charging aperture; Described root type mm finishing mill unit of rubbing is arranged in plateau, and high rigidity short-stress path lap siding two roller pre-finishing mill group discharging opening pinches roller-way by climbing is connected with the root type mm finishing mill unit charging aperture that rubs, described low speed initiatively coil of wire surge drum is arranged on outside the root type mm finishing mill unit discharging opening that rubs.
Described high rigidity short-stress path lap siding two roller pre-finishing mill group discharging opening and climbing pinch between roller-way top and are provided with flying shear II, and climbing pinches roller-way end and rubs between root type mm finishing mill unit charging aperture and is provided with flying shear III.
A kind of titanium or titanium alloy wire rod hot continuous rolling production technology, comprises following processing step:
Step 1: by φ 100 ~ φ 200mm titanium or titanium alloy circular blank 800 DEG C ~ 1050 DEG C homogeneous heatings 80 ~ 150 minutes;
Step 2: the circular blank after step 1 being heated adopts cross-arranging type two roller roughing mills to be rolled into φ 50 ~ φ 140mm rod base with the speed of≤3 meter per seconds;
Step 3: send into high rigidity short-stress path lap siding two roller intermediate mill after the excellent base crop shears crop after step 2 being processed and become φ 20 ~ φ 80mm rod base with the linear velocity continuous rolling of≤6 meter per seconds;
Step 4: send into high rigidity short-stress path lap siding two roller pre-finishing mill group after the excellent base flying shear crop after step 3 being processed and become φ 12 ~ φ 40mm line base with the speed continuous rolling of≤12 meter per seconds;
Step 5: by line base good for step 4 rolling through climbing pinch roller-way (7) send into root type mm finishing mill unit (6) of rubbing become φ 5 ~ φ 12mm wire rod with the speed continuous rolling of≤30 meter per seconds and by low speed initiatively coil of wire surge drum (5) batch and be gathered into the finished product coil of wire.
The rolling pass of described step 2 is 8 ~ 12 passages, and mill speed is 2-3 meter per second; The rolling pass of described step 3 is 5 ~ 7 passages, and mill speed is 1.5 ~ 5 meter per seconds; The rolling pass of described step 4 is 5 ~ 7 passages, and mill speed is 4 ~ 10 meter per seconds, and the rolling pass of described step 5 is 4 ~ 9 passages, and mill speed is 10 ~ 30 meter per seconds.
The advantage that the present invention compared with prior art has and effect:
1, heating furnace, cross-arranging type two roller roughing mills, high rigidity short-stress path lap siding two roller intermediate mill, high rigidity short-stress path lap siding two roller pre-finishing mill group and root type mm finishing mill unit of rubbing longitudinally are connected to form titanium or titanium alloy wire rod axial rolling production line by the present invention successively, and adopt low speed technique for continuous rolling, the deformation heat that during reduction rolling, resistance of deformation produces, ensure rolled piece interior tissue and performance, directly produce qualified wire rod.
2, the present invention adopts low speed active coil of wire collection method and device to collect the good wire rod of rolling and rollforming, adapts to the needs of titanium or titanium alloy low speed rolling.
3, the present invention can rolling φ 5 ~ φ 12mm all specification titanium or titanium alloy wire rod, and realize the production of high accuracy, heavy-weight coil titanium or titanium alloy wire rod, and production efficiency is high, production cost is low.
Accompanying drawing explanation
Fig. 1 is schematic layout pattern of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, embodiments of the invention are described.
Titanium or titanium alloy wire rod hot continuous rolling production line is made up of heating furnace 1, cross-arranging type two roller roughing mills 2, high rigidity short-stress path lap siding two roller intermediate mill 3, high rigidity short-stress path lap siding two roller pre-finishing mill group 4, root type mm finishing mill unit 6 of rubbing and the low speed active coil of wire surge drum 5 longitudinally connected successively; Described heating furnace 1 discharging opening is connected with cross-arranging type two roller roughing mills 2 charging aperture by rollgang I 9, cross-arranging type two roller roughing mills 2 discharging opening is connected with high rigidity short-stress path lap siding two roller intermediate mill 3 charging aperture by rollgang II 10, and is provided with crop shears 8 between rollgang II 10 end and high rigidity short-stress path lap siding two roller intermediate mill 3 charging aperture; Flying shear I 11 is provided with between described high rigidity short-stress path lap siding two roller intermediate mill 3 discharging opening and high rigidity short-stress path lap siding two roller pre-finishing mill group 4 charging aperture; Described root type mm finishing mill unit 6 of rubbing is arranged in plateau, and high rigidity short-stress path lap siding two roller pre-finishing mill group 4 discharging opening pinches roller-way 7 by climbing is connected with root type mm finishing mill unit 6 charging aperture that rubs, and pinch between roller-way 7 top at high rigidity short-stress path lap siding two roller pre-finishing mill group 4 discharging opening and climbing and be provided with flying shear II 12, climbing pinches roller-way 7 end and rubs between root type mm finishing mill unit 6 charging aperture and is provided with flying shear III 13.Described low speed initiatively coil of wire surge drum 5 is arranged on outside root type mm finishing mill unit 6 discharging opening that rubs.
φ 6.5mmTC4 titanium alloy wire hot continuous rolling production technology: first φ 150mmTC4 titanium alloy circular blank is adopted stepping-bottom-type heating furnace 1 at 900 DEG C ~ 1050 DEG C homogeneous heatings after 80 ~ 150 minutes, sends into cross-arranging type two roller roughing mills 2 by rollgang I 9 and becomes φ 70 ~ φ 75mmTC4 titanium alloy bar base with the speed of 2.3 meter per seconds through 9 passes; Then after being delivered to crop shears 8 crop by rollgang II 10, enter high rigidity short-stress path lap siding two roller intermediate mill 3 again and become φ 27 ~ φ 31mmTC4 titanium alloy bar base with the speed of 1.8 meter per seconds through 6 passes, after flying shear I 11 crop, enter high rigidity short-stress path lap siding two roller pre-finishing mill group 4 and become φ 13 ~ φ 16mmTC4 titanium alloy line base with the speed of 4 meter per seconds through 6 passes; Titanium alloy line base pinches through climbing and to enter root type mm finishing mill unit 6 of rubbing to become φ 6.5mm through 8 passes TC4 titanium alloy wire with the speed of 16 meter per seconds after roller-way 7 is delivered to flying shear III 13 crop, and by low speed initiatively coil of wire surge drum 5 batch and be gathered into the finished product coil of wire.
φ 9mmTA2 pure wire rod of titanium hot continuous rolling production technology: first pure for φ 150mmTA2 titanium circular blank is adopted walking beam furnace 1 at 800 DEG C ~ 850 DEG C homogeneous heatings after 80 ~ 120 minutes, sends into cross-arranging type two roller roughing mills 2 with the speed of 2.3 meter per seconds, become φ 50 ~ φ 55mmTA2 pure titanium rod base through 11 passes by rollgang I 9; Then after being delivered to crop shears 8 crop by rollgang II 10, enter high rigidity short-stress path lap siding two roller intermediate mill 3 again and become φ 21 ~ φ 24mm TA2 pure titanium rod base with the speed of 4 meter per seconds through 6 passes, after flying shear I 11 crop, enter high rigidity short-stress path lap siding two roller pre-finishing mill group 4 and become the pure titanium wire base of φ 12 ~ φ 14mmTA2 with the speed of 10 meter per seconds through 6 passes; Pure titanium wire base pinches through climbing and enters root type mm finishing mill unit 6 of rubbing after roller-way 7 is delivered to flying shear III 13 crop and become the pure wire rod of titanium of the TA2 of φ 9mm with the speed of 15 meter per seconds through 4 passes, and by low speed initiatively coil of wire surge drum 5 batch and be gathered into the finished product coil of wire.
The effect of described flying shear II 12 be to rub root type mm finishing mill unit 6 break down shut down after rapid line base to be cut off, try to avert accidents.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting the scope of the present invention, therefore all equivalent variations done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (2)
1. a titanium or titanium alloy wire rod hot continuous rolling production line, is characterized in that: described production line is made up of the heating furnace (1) longitudinally connected successively, cross-arranging type two roller roughing mills (2), high rigidity short-stress path lap siding two roller intermediate mill (3), high rigidity short-stress path lap siding two roller pre-finishing mill group (4), root type mm finishing mill unit (6) of rubbing and low speed active coil of wire surge drum (5); Described heating furnace (1) discharging opening is connected with cross-arranging type two roller roughing mills (2) charging aperture by rollgang I (9), cross-arranging type two roller roughing mills (2) discharging opening is connected with high rigidity short-stress path lap siding two roller intermediate mill (3) charging aperture by rollgang II (10), and is provided with crop shears (8) between rollgang II (10) end and high rigidity short-stress path lap siding two roller intermediate mill (3) charging aperture; Flying shear I (11) is provided with between described high rigidity short-stress path lap siding two roller intermediate mill (3) discharging opening and high rigidity short-stress path lap siding two roller pre-finishing mill group (4) charging aperture; Described root type mm finishing mill unit (6) of rubbing is arranged in plateau, and high rigidity short-stress path lap siding two roller pre-finishing mill group (4) discharging opening pinches roller-way (7) by climbing is connected with root type mm finishing mill unit (6) charging aperture that rubs, described low speed initiatively coil of wire surge drum (5) is arranged on outside root type mm finishing mill unit (6) discharging opening that rubs;
Described high rigidity short-stress path lap siding two roller pre-finishing mill group (4) discharging opening and climbing pinch between roller-way (7) top and are provided with flying shear II (12), and climbing pinches roller-way (7) end and rubs between root type mm finishing mill unit (6) charging aperture and is provided with flying shear III (13).
2. a titanium or titanium alloy wire rod hot continuous rolling production technology, is characterized in that comprising following processing step:
Step 1: by φ 100 ~ φ 200mm titanium or titanium alloy circular blank 800 DEG C ~ 1050 DEG C homogeneous heatings 80 ~ 150 minutes;
Step 2: the circular blank after step 1 being heated adopts cross-arranging type two roller roughing mills to be rolled into φ 50 ~ φ 140mm rod base with the speed of≤3 meter per seconds;
Step 3: send into high rigidity short-stress path lap siding two roller intermediate mill after the excellent base crop shears crop after step 2 being processed and become φ 20 ~ φ 80mm rod base with the linear velocity continuous rolling of≤6 meter per seconds;
Step 4: send into high rigidity short-stress path lap siding two roller pre-finishing mill group after the excellent base flying shear crop after step 3 being processed and become φ 12 ~ φ 40mm line base with the speed continuous rolling of≤12 meter per seconds;
Step 5: by line base good for step 4 rolling through climbing pinch roller-way (7) send into root type mm finishing mill unit (6) of rubbing become φ 5 ~ φ 12mm wire rod with the speed continuous rolling of≤30 meter per seconds and by low speed initiatively coil of wire surge drum (5) batch and be gathered into the finished product coil of wire;
The rolling pass of described step 2 is 8 ~ 12 passages, and mill speed is 2-3 meter per second; The rolling pass of described step 3 is 5 ~ 7 passages, and mill speed is 1.5 ~ 5 meter per seconds; The rolling pass of described step 4 is 5 ~ 7 passages, and mill speed is 4 ~ 10 meter per seconds, and the rolling pass of described step 5 is 4 ~ 9 passages, and mill speed is 10 ~ 30 meter per seconds.
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| CN201210535386.7A CN103008340B (en) | 2012-12-12 | 2012-12-12 | Hot continuous rolling production line of titanium and titanium alloy wire rod and production process |
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| CN103008340B true CN103008340B (en) | 2015-06-24 |
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Families Citing this family (8)
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| ITMI20131670A1 (en) * | 2013-10-09 | 2015-04-10 | Danieli Off Mecc | SINGLE SHEAR FOR CUTTING AND CONVEYING MORE LAMINATES |
| CN103736727B (en) * | 2013-12-27 | 2015-12-30 | 西安建筑科技大学 | A kind of TC16 titanium alloy rod bar temperature control method for tandem rolling |
| CN104923562A (en) * | 2015-07-08 | 2015-09-23 | 南京工业大学 | Low-cost continuous rolling technology and equipment for titanium and titanium alloy |
| CN105170646A (en) * | 2015-10-26 | 2015-12-23 | 中冶赛迪工程技术股份有限公司 | Economical bar sizing production line and method |
| CN105750329B (en) * | 2016-04-12 | 2018-11-20 | 西安赛特思迈钛业有限公司 | A kind of titanium or titanium alloy continuous rolling process unit |
| CN109433848B (en) * | 2018-11-29 | 2021-03-30 | 沈阳瀚瑞达钛业有限公司 | Method for producing titanium wire by using titanium belt |
| CN115255021B (en) * | 2022-09-29 | 2023-01-24 | 西安赛特思迈钛业有限公司 | Large-single-weight TC4 titanium disc round wire for aerospace fastener and preparation method thereof |
| CN118122770A (en) * | 2024-05-08 | 2024-06-04 | 西安威科多机电设备有限公司 | Titanium and titanium alloy rod and wire composite production process and production line |
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| JPH01241302A (en) * | 1988-03-23 | 1989-09-26 | Hitachi Metals Ltd | Manufacture of titanium wire for electrode |
| JPH09295008A (en) * | 1996-04-26 | 1997-11-18 | Nippon Steel Corp | Hot rolling method of pure titanium wire |
| JP2001040462A (en) * | 1999-07-28 | 2001-02-13 | Sumitomo Metal Ind Ltd | Production of titanium or titanium alloy fine diameter wire |
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| CN101085451A (en) * | 2006-06-06 | 2007-12-12 | 厦门虹鹭钨钼工业有限公司 | Method for rolling pure titanium rod and wire |
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