CN201776333U - Titanium alloy drawing machine tool - Google Patents
Titanium alloy drawing machine tool Download PDFInfo
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- CN201776333U CN201776333U CN2010205288629U CN201020528862U CN201776333U CN 201776333 U CN201776333 U CN 201776333U CN 2010205288629 U CN2010205288629 U CN 2010205288629U CN 201020528862 U CN201020528862 U CN 201020528862U CN 201776333 U CN201776333 U CN 201776333U
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- titanium alloy
- control system
- stretching
- oil cylinder
- pulling force
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Abstract
The utility model discloses a titanium alloy drawing machine tool, which comprises a control system, a mould and two mobile components, wherein a drawing force transducer an a displacement transducer are arranged on the mobile components; the drawing force transducer and the displacement transducer are connected with the control system; each mobile component comprises a drawing cylinder and a gripping head connected to the tail end of the drawing cylinder; the drawing cylinder is connected with a hydraulic pump through a control valve; and both the control valve and the hydraulic pump are connected with the control system. The utility model can achieve the cold drawing forming of titanium alloy material, thereby greatly promoting the application of the titanium alloy material in the fields such as the aircraft manufacturing field and the like.
Description
Technical field
The utility model relates to a kind of drawing and forming lathe, is specifically related to a kind of lathe that can be used for the titanium alloy cold stretch.
Background technology
The drawing and forming lathe is a kind of known equipment, a kind of plate stretch-forming machine is disclosed as Chinese invention patent application 200910067216.9, mainly by frame, each side a plurality of material mechanism and the feeding clip mechanisms of drawing of a row are formed, each draws material mechanism to be made up of 2-3 hydraulic cylinder, one end of hydraulic cylinder connects with the frame activity respectively, and the other end connects with feeding clip mechanism is movable jointly.
The aircraft manufacturer is all known if can adopt titanium alloy covering and titanium alloy section bar to be welded into integral panel, replace the aluminium alloy integral panel, the material arrangements science, the fighter plane fuselage weight can significantly alleviate, performance also can significantly improve, and far surpasses the fighter plane of aluminium alloy integral panel fuselage.And the percentage elongation and the aluminium alloy of titanium alloy are suitable, so the part that aluminium alloy can be shaped, titanium alloy ought to also can be shaped.The overstretching test is done to titanium alloy material in countries in the world, all comes to an end with fracture, and Here it is, and titanium alloy material fails to widely apply the reason of making at the fighter plane fuselage so far.
External brainstrust is behind test failure, and having drawn titanium alloy material is impossible cold stretch shaping (unscientific) conclusion.So far, the whole world assert that all titanium alloy material can not cold drawn shaping.Existing stretch forming press such as U.S. HUFFORD stretch forming press, does not possess the ability of direct cold drawn shaping titanium alloy component.
Chinese invention patent application 200680040245.0 discloses a kind of titanium stretch forming apparatus and method, can realize the hot-stretch of titanium or titanium alloy material is shaped, this titanium stretch forming apparatus comprises: a) mould, it has the working face that has preliminary election non-rectangle cross-sectional profiles, described profile is suitable for admitting and shaping long and thin metal workpiece, and wherein described at least working face comprises heat-barrier material; B) heater, it is used for described workpiece resistance heated to operating temperature; And c) mobile member, it is used to make described mould and workpiece relative to each other to move, and causes to cause described workpiece to abut against described working face extension and crooked.The step of this method of stretch forming is: the long and thin metal workpiece with preliminary election non-rectangle cross-sectional profiles a) is provided; B) provide the mould that has with the working face of described cross-sectional profiles complementation, wherein described at least working face comprises heat-barrier material; C) make electric current pass described workpiece and with described workpiece resistance heated to operating temperature; D) when described workpiece is in described operating temperature, by causing described workpiece and described mould relative to each other to move to abut against the described working face described workpiece that is shaped, and then cause described workpiece plastic elongation and crooked and with the net shape of the moulding one-tenth preliminary election of described workpiece.Owing to adopt hot-stretch to be shaped, need to dispose heater in the equipment, make the structure of equipment become complicated, also increased the difficulty in the control, adopt hot-stretch also to be unfavorable for energy-conserving and environment-protective simultaneously.
The utility model content
A technical problem to be solved in the utility model provides a kind of lathe that can be used for the titanium alloy cold stretch, to overcome the above-mentioned defective of prior art.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of titanium alloy stretching lathe, comprise control system, mould and be arranged on two mobile members of described mould both sides, be provided with pulling force sensor and displacement transducer on each mobile member, described pulling force sensor is connected with described control system with displacement transducer.
Preferably, described mobile member comprises stretching oil cylinder and the chuck that is connected stretching oil cylinder end, and described stretching oil cylinder is connected with hydraulic pump by control valve, and described control valve, hydraulic pump all are connected with described control system.
More preferably, described pulling force sensor is arranged on the junction of stretching oil cylinder and chuck.
More preferably, described displacement transducer is arranged on the stretching oil cylinder.
More preferably, described stretching oil cylinder is a two-way cylinder.
The beneficial effects of the utility model are that the cold stretch that can successfully realize titanium alloy material is shaped, and particularly for aircraft industry, have very significant meaning, can greatly promote the application of titanium alloy material in fields such as aircraft manufacturings.Utilize the utility model, can produce titanium alloy covering and the titanium alloy section bar used on the aircraft, and then be welded into integral panel, can significantly alleviate fuselage weight, aeroplane performance is significantly improved, surpass all aluminium alloy aircrafts.If after the huge airline carriers of passengers of quantity is also used titanium alloy instead in a large number, just can reach the low-carbon (LC) target that people pursue energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the schematic diagram of the utility model titanium alloy stretching lathe.
Fig. 2 is a kind of view when utilizing the utility model stretching lathe that titanium alloy is carried out stretch forming.
The specific embodiment
As shown in Figure 1, a kind of titanium alloy stretching of the utility model lathe comprises control system (not shown), mould 1 and is arranged on two mobile members 10 of mould 1 both sides, each mobile member 10 comprises stretching oil cylinder 5 and is connected the chuck 3 of stretching oil cylinder end, stretching oil cylinder 5 is connected with hydraulic pump 8 for two-way cylinder and by control valve 7, and described control valve 7, hydraulic pump 8 all are connected with control system.Junction at stretching oil cylinder 5 and chuck 3 is provided with pulling force sensor 4, is used for sensing mobile member 10 and is applied to pulling force on the titanium alloy workpiece 2; Be provided with displacement transducer 6 on stretching oil cylinder 5, pulling force sensor 4 and the position of displacement transducer 6 on mobile member 10 are not unique.Pulling force sensor 4 all is connected with described control system with displacement transducer 6.
Introducing below utilizes above-mentioned stretching lathe to carry out the method for titanium alloy stretch forming.
The main design of the method for the utility model stretch forming is that a certain plasticity of setting the titanium alloy plastic zone is put pairing pulling force, control system just automatically is stretched to titanium alloy material the plasticity point that sets, and remaining this plasticity in whole forming process, to put pairing pulling force constant.Concrete steps are as follows: this method may further comprise the steps:
A. the two ends with titanium alloy workpiece 2 are clamped in respectively in two chucks 3, at normal temperatures, utilize 10 pairs of titanium alloy workpieces of two mobile members 2 to carry out prestretched, the two ends of titanium alloy workpiece 2 are clamped by the chuck 3 of two mobile members, can not produce slip, improve the uniformity of control accuracy and forming quality;
B. after prestretched is finished, two mobile members 10 continue titanium alloy workpiece 2 is applied pulling force, make titanium alloy workpiece 2 produce a predetermined amount of plastic deformation, such as 10 meters long blanks are stretched to 10.1 meters, pulling force signal according to pulling force sensor 4 feedbacks, control system reads the value of thrust of this moment as the control foundation, and controls two mobile members 10 and keep this pulling force constant in whole plastic history;
C. as shown in Figure 2, the motion of two mobile members 10 of control system control, how the direction of motion of the oil cylinder 5 that no matter stretches changes, and guarantees that all the actual pulling force all-the-time stable of workpiece is constant, and titanium alloy workpiece 2 and mould 1 are progressively fitted and final stretch forming.
In the utility model, in control system, can preset the trade mark and the specification of various titanium alloy materials, before stretching, as long as material trademark, specification and the predetermined amount of plastic deformation of input titanium alloy workpiece, control system can calculate needed pretension automatically.After the lathe prestretching is adjusted to the right place, continue that again titanium alloy workpiece 2 is carried out straight line and stretch, according to the displacement of displacement transducer 6, judged whether to reach predetermined amount of plastic deformation.After reaching predetermined amount of plastic deformation, control system reads current actual value of thrust, remembers this numerical value and serves as according to the monitoring hydraulic system with this numerical value, and keep this pulling force constant in the whole plastic history of back.
When practical operation, the operator sets a certain amount of plastic deformation of plastic zone earlier in control system, generally between 1%～1.2%, then in the trade mark and size input control system with workpiece material, last clamping workpiece is pressed start button, and the stretching lathe can be finished drawing process automatically.
In the utility model, control system is shaped each workpiece by input value controller bed motion all the time under the amount of plastic deformation of operator's input, it is constant that the shaping pulling force keeps, fundamentally solved the problem of breaking of titanium alloy component, and guaranteed that all workpiece are in full accord.
The utility model has realized that successfully the cold stretch of titanium alloy material is shaped, and both can be used for transforming U.S. HUFFORD type lathe, also can be used for the manufacturing of new machine.
The above only is the utility model a kind of embodiment wherein, is not to be used for limiting protection domain of the present utility model, and every conversion of being done according to the utility model claim is all within protection domain of the present utility model.
Claims (5)
1. titanium alloy stretching lathe, comprise control system, mould (1) and be arranged on two mobile members (10) of described mould both sides, it is characterized in that, be provided with pulling force sensor (4) and displacement transducer (6) on each mobile member (10), described pulling force sensor (4) is connected with described control system with displacement transducer (6).
2. titanium alloy stretching lathe according to claim 1, it is characterized in that, described mobile member (10) comprises stretching oil cylinder (5) and is connected the chuck (3) of stretching oil cylinder end, described stretching oil cylinder (5) is connected with hydraulic pump (8) by control valve (7), and described control valve (7), hydraulic pump (8) all are connected with described control system.
3. titanium alloy stretching lathe according to claim 2 is characterized in that, described pulling force sensor (4) is arranged on the junction of stretching oil cylinder (5) and chuck (3).
4. titanium alloy stretching lathe according to claim 2 is characterized in that described displacement transducer (6) is arranged on the stretching oil cylinder (5).
5. titanium alloy stretching lathe according to claim 2 is characterized in that described stretching oil cylinder (5) is a two-way cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205288629U CN201776333U (en) | 2010-09-14 | 2010-09-14 | Titanium alloy drawing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205288629U CN201776333U (en) | 2010-09-14 | 2010-09-14 | Titanium alloy drawing machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201776333U true CN201776333U (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205288629U Expired - Fee Related CN201776333U (en) | 2010-09-14 | 2010-09-14 | Titanium alloy drawing machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201776333U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947596A (en) * | 2010-09-14 | 2011-01-19 | 上海海都化学科技有限公司 | Titanium alloy drawing machine tool and forming method |
| CN104443426A (en) * | 2014-10-08 | 2015-03-25 | 中国航空工业集团公司北京航空制造工程研究所 | Aircraft titanium alloy frame beam type part manufacturing method |
| CN106111777A (en) * | 2016-08-16 | 2016-11-16 | 温州市宝饰五金制品有限公司 | A kind of five metals plate stretching device |
-
2010
- 2010-09-14 CN CN2010205288629U patent/CN201776333U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947596A (en) * | 2010-09-14 | 2011-01-19 | 上海海都化学科技有限公司 | Titanium alloy drawing machine tool and forming method |
| CN104443426A (en) * | 2014-10-08 | 2015-03-25 | 中国航空工业集团公司北京航空制造工程研究所 | Aircraft titanium alloy frame beam type part manufacturing method |
| CN104443426B (en) * | 2014-10-08 | 2016-06-08 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of Titanium Alloy Aircraft frame beam-like part manufacture method |
| CN106111777A (en) * | 2016-08-16 | 2016-11-16 | 温州市宝饰五金制品有限公司 | A kind of five metals plate stretching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20110914 |