CN201300174Y - Forming die for pneumatic-forming titanium-alloy sheet metal parts - Google Patents
Forming die for pneumatic-forming titanium-alloy sheet metal parts Download PDFInfo
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- CN201300174Y CN201300174Y CNU2008201409275U CN200820140927U CN201300174Y CN 201300174 Y CN201300174 Y CN 201300174Y CN U2008201409275 U CNU2008201409275 U CN U2008201409275U CN 200820140927 U CN200820140927 U CN 200820140927U CN 201300174 Y CN201300174 Y CN 201300174Y
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Abstract
The utility model discloses a forming die for pneumatic-forming titanium-alloy sheet metal parts. The forming die comprises an air intake pipe (3), an air discharge pipe (21), an upper module (8), a combination lower die and an automatic die-filling and pick-off device, wherein, the automatic die-filling and pick-off device can automatically fill die and pick units. The forming die forms parts with negative draft angles and complicated shapes, and improves the production efficiency.
Description
Technical field
The utility model relates to a kind of shaping dies of gas pressure compacting titanium alloy sheet metal part.Relate in particular to a kind of shaping dies with titanium alloy panel beating stretching part gas pressure compacting of negative drafting angle.
Background technology
Emit and cover class titanium alloy panel beating stretching part, its principal character is that the flange of part often has negative drafting angle, and such part adopts the titanium alloy material manufacturing, as TC4, is mainly used in carrying or connection.Titanium alloy material generally adopts hot press-formed method owing to yield tensile ratio height, elastic modelling quantity are low, has the part of negative drafting angle because the convex module of hot stamping die can not be made negative drafting angle so can't be shaped.Superplasticity gas pressure compacting process is to utilize the unusual low flow stress of superplastic material and up to the percentage elongation of percent hundreds of and good replicability; but the shell part of shaping form complexity; though can being shaped, gas pressure compacting has the part of negative drafting angle; but no matter part is at patrix or at the counterdie internal shaping; the upper module or the lower module that all need edge is pieced together separate; after the pickup of general branch mould need be cooled off, use crane to finish.Production efficiency is extremely low like this.
Summary of the invention:
The technical problems to be solved in the utility model is to provide a kind of shaping dies of gas pressure compacting titanium alloy sheet metal part, is shaped to have the part of negative drafting angle, and can takes out part automatically under hot conditions, enhances productivity.
For solving the problems of the technologies described above, the shaping dies of a kind of gas pressure compacting titanium alloy sheet metal part of the present utility model is by air inlet pipe, blast pipe, upper module, combination counterdie and automatic dress mould pick-off unit are formed, make the sealing stalk in the forming face of upper module and form ring, and have a mold hole for hoist, air admission hole, the patrix thermometer hole, air inlet pipe is connected the aperture of air admission hole, the combination counterdie is by the bottom right module, lower-left module and slide block are formed, have cavity on bottom right module and the lower-left module, bottom right module and module amalgamation recurve chamber, lower-left form the shaping die cavity, and place in the slide block, matched in clearance, steam vent is communicated with the shaping die cavity by slide block and lower-left module, blast pipe is connected the aperture of steam vent, be connected dress mould pick-off unit automatically under bottom right module and the lower-left module, it is characterized in that, described automatic dress mould pick-off unit is mainly by base, hydraulic cylinder, the one-level plunger, the secondary plunger, T type support, linkage and right base plate, left bottom plate is formed, hydraulic cylinder is fixed on the base, the one-level plunger places in the hydraulic cylinder and moves back and forth, the plunger rod of one-level plunger is made cylindrical cavity, the bottom has valve, two stage column plugs in the plunger rod cavity of one-level plunger and moves back and forth, the stroke of one-level plunger should be greater than the height of slide block, T type support casing at two stage column beyond the Great Wall and be fixed on the plunger, described linkage is made up of two groups of linkages, the connecting rod of every group of linkage is hinged T type support or secondary plunger and right base plate or left bottom plate by hinge, right base plate is fixed in the bottom right module bottom surface, and left bottom plate is fixed in the lower-left module bottom surface.
The utility model has following good effect than prior art.The shaping dies of a kind of gas pressure compacting titanium alloy sheet metal part of the present utility model can realize that gas pressure compacting has the part of negative drafting angle under hot conditions, can also realize that by automatic dress mould pick-off unit dress is got part automatically, has therefore improved production efficiency.
Description of drawings
Fig. 1 is the schematic diagram of a titanium alloy panel beating stretching part of the utility model shaping processing.
Fig. 2 is the structural representation of the shaping dies of a kind of gas pressure compacting titanium alloy of the utility model sheet metal part.
Fig. 3 is the structural representation of automatic dress mould pick-off unit of the shaping dies of a kind of gas pressure compacting titanium alloy of the utility model sheet metal part
The specific embodiment
Below in conjunction with specific embodiment the utility model is further described.
Fig. 1 is the schematic diagram of a titanium alloy panel beating stretching part.The principal character of part be have in part bottom one with assemble the orthodrome R that curved surface cooperates, R usually between 3.0～5.5m, and, be certain angle [alpha] mostly between the normal direction n of flange and part bottom surface circular arc, its angular range is generally
Such part is mainly used in carrying or connects, and requires lightweight, high strength/rigidity, mainly adopts the titanium alloy TC 4 manufacturing.The titanium alloy TC 4 raw material that adopt meet the requirement of GJB2505-95 " the aviation TC4 sheet material of titanium alloy sheet band military standard ", and the chemical composition of this material meets the requirement of GB3620.1-94 " the titanium or titanium alloy trade mark and chemical analysis ".
Fig. 2 and Fig. 3 show the structural representation of the shaping dies of a kind of gas pressure compacting titanium alloy of the utility model sheet metal part.Described special forming mould tool is by air inlet pipe 3, blast pipe 21, upper module 8, combination counterdie and automatic dress mould pick-off unit are formed, make sealing stalk 4 in the forming face of upper module 8 and form ring, and have a mold hole for hoist 5, air admission hole 6, patrix thermometer hole 9, air inlet pipe 3 is connected the aperture of air admission hole 6, the combination counterdie is by bottom right module 12, lower-left module 13 and slide block 10 are formed, bottom right module 12 and 13 amalgamations of lower-left module are placed in the slide block 10, matched in clearance, have cavity on bottom right module 12 and the lower-left module 13, form the shaping die cavity after the cavity amalgamation, steam vent 15 is communicated with the shaping die cavity by slide block 10 and lower-left module 13, blast pipe 21 is connected the aperture of steam vent 15, and single face has been adopted on the sealing ridge 4, single, the hermetically-sealed construction of trapezoid cross section.Form the gas flow loop of sealing between blast pipe 21, air admission hole 6, steam vent 15 and upper module 8, the sealing ridge 4, the lower module 12, the operations such as pressurize and release of exerting pressure, be shaped when guaranteeing to be shaped when finishing are finished smoothly, realize the basic function of mould.The shaping dies material can be selected heat-resistance stainless steel Cr18Ni, nickel chromium high-temperature alloy K11 and GH140, high-temperature refractory steel R45 and ZG35Cr24Ni7SiN.
Described automatic dress mould pick-off unit is mainly by base 16, hydraulic cylinder 17, one-level plunger 18, secondary plunger 19, T type support 20, linkage and right base plate 23, left bottom plate 30 is formed, hydraulic cylinder 17 is fixed on the base 16, one-level plunger 18 places in the hydraulic cylinder 17 and moves back and forth, the plunger rod of one-level plunger 18 is made cylindrical cavity, the bottom has valve 28, secondary plunger 19 places the interior reciprocating motion of the plunger rod cavity of one-level plunger 18, the stroke of one-level plunger 18 should be greater than the height of slide block 10, T type support 20 is enclosed within outside the secondary plunger 19 and is fixed on the plunger 18, described linkage is by two groups of linkages 22,24,25,26,27,29 form, only represented last group of linkage among Fig. 3, the one group of linkage in back is identical with it.Connecting rod 22,24 is hinged by hinge one end and T type support 20, the other end and right base plate 23 are hinged, connecting rod 26,29 is hinged by hinge and the T type support 20 hinged other ends and left bottom plate 30, connecting rod 25, an end of 27 is articulated on the same pin joint of secondary plunger 19, the other end of connecting rod 25 is articulated in same pin joint on the right base plate 23 with connecting rod 24, the other end of connecting rod 27 is articulated in 30 same pin joints on the left bottom plate with connecting rod 26, connecting rod 24,26 the other end is articulated on the T type support 20, connecting rod 22,24,26,29 equal in length, connecting rod 25 and connecting rod 27 equal in length, right base plate 23 is fixed in bottom right module 12 bottom surfaces, and left bottom plate 30 is fixed in lower-left module 13 bottom surfaces.Connecting rod 22 and 24 and right base plate 23, T type support 20 form parallelogram sturcutres, guarantee that base plate 23 is parallel to T type support 20 and does relative motion, connecting rod 26 and 29 and left bottom plate 30, T type support 20 form parallelogram sturcutres, guarantee that left bottom plate 30 is parallel to T type support 20 and does relative motion.
During pickup, valve 28 is closed, and the promotion one-level plunger 18 of the hydraulic oil in the hydraulic cylinder 17 rises along the inwall of slide block 10 simultaneously with base plate (23,30), because the stroke of one-level plunger 18 is greater than the height of slide block 10, can make left and right sides lower module 13 and 12 release slide blocks 10, and one-level plunger 18, secondary plunger 19, T type support 20, two groups of linkages 22,24,25,26,27,29, left and right sides base plate 30,23 is all kept static relatively.When one-level plunger 18 rises to extreme position, when valve 28 is opened, one-level plunger 18 keeps inactive state with T type support 20, secondary plunger 19 rises under action of hydraulic force, connecting rod 25,27 moves upward thereupon, and direction is horizontally separated to the left and right respectively to drive left and right sides base plate 30,23, promote left and right sides lower module 13,12 and open, utilize the general conveyer of supporting hot-working can finish automatic part picking.
Similarly, when secondary plunger 19 moves downward, one-level plunger 18 keeps static with T type support 20, under 19 effects of secondary plunger, connecting rod 25,27 move downward thereupon, drive left and right sides base plate 30,23 respectively to the left and right the direction level close up, pulling left and right sides lower module 13,12 is drawn close mutually, valve-off 28 again, the promotion one-level plunger 18 of the hydraulic oil in the hydraulic cylinder 17 descends along the inwall of slide block 10 simultaneously with left and right sides base plate 30,23, gets back to the limit inferior point of one-level plunger 18, can finish automatic dress mould.
The shaping dies of present embodiment is used on the equipment FCC-300T.
Claims (3)
1. the shaping dies of a gas pressure compacting titanium alloy sheet metal part, by air inlet pipe (3), blast pipe (21), upper module (8), combination counterdie and automatic dress mould pick-off unit are formed, make sealing stalk (4) in the forming face of upper module (8) and form ring, and have a mold hole for hoist (5), air admission hole (6), patrix thermometer hole (9), air inlet pipe (3) is connected the aperture of air admission hole (6), described combination counterdie is by bottom right module (12), lower-left module (13) and slide block (10) are formed, have cavity on bottom right module (12) and the lower-left module (13), bottom right module (12) and lower-left module (13) amalgamation are placed in the slide block (10), matched in clearance, cavity is formed into the shape die cavity after the amalgamation, steam vent (15) is communicated with the shaping die cavity by slide block (10) and lower-left module (13), blast pipe (21) is connected the aperture of steam vent (15), it is characterized in that: bottom right module (12) is connected dress mould pick-off unit automatically down with lower-left module (13).
2. the shaping dies of a kind of gas pressure compacting titanium alloy sheet metal part according to claim 1, it is characterized in that: described automatic dress mould pick-off unit, mainly by base (16), hydraulic cylinder (17), one-level plunger (18), secondary plunger (19), T type support (20), linkage and right base plate (23), left bottom plate (30) is formed, hydraulic cylinder (17) is fixed on the base (16), one-level plunger (18) places in the hydraulic cylinder (17) and moves back and forth, the plunger rod of one-level plunger (18) is made cylindrical cavity, the bottom has valve hole (28), secondary plunger (19) places the interior reciprocating motion of the plunger rod cavity of one-level plunger (18), the stroke of one-level plunger (18) should be greater than the height of slide block (10), T type support (20) is enclosed within outside the secondary plunger (19) and is fixed on the one-level plunger (18), described linkage is by two groups of linkages (22,24,25,26,27,29) form, connecting rod (22), (24) hinged by hinge one end and T type support (20), the other end and right base plate (23) are hinged, connecting rod (26), (29) hinged by hinge and the hinged other end of T type support (20) and left bottom plate (30), connecting rod (25), (27) a end is articulated on the same pin joint of secondary plunger (19), the other end of connecting rod (25) is articulated in right base plate (23) with connecting rod (24) and goes up same pin joint, the other end of connecting rod (27) is articulated in (30) same pin joint on the left bottom plate with connecting rod (26), connecting rod (24), (26) the other end is articulated on the T type support (20), connecting rod (22), (24), (26), (29) equal in length, connecting rod (25) and connecting rod (27) equal in length, right base plate (23) is fixed in bottom right module (12) bottom surface, and left bottom plate (30) is fixed in lower-left module (13) bottom surface.
3. the shaping dies of a kind of gas pressure compacting titanium alloy sheet metal part according to claim 1 is characterized in that: the cross section of described sealing stalk (4) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201409275U CN201300174Y (en) | 2008-10-23 | 2008-10-23 | Forming die for pneumatic-forming titanium-alloy sheet metal parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201409275U CN201300174Y (en) | 2008-10-23 | 2008-10-23 | Forming die for pneumatic-forming titanium-alloy sheet metal parts |
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| Publication Number | Publication Date |
|---|---|
| CN201300174Y true CN201300174Y (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201409275U Expired - Lifetime CN201300174Y (en) | 2008-10-23 | 2008-10-23 | Forming die for pneumatic-forming titanium-alloy sheet metal parts |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218466A (en) * | 2010-04-06 | 2011-10-19 | 通用汽车环球科技运作有限责任公司 | Fluid cooling during hot-blow-forming of metal sheets and tubes |
| CN105328001A (en) * | 2015-11-18 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing equipment for titanium alloy part with negative angle structure |
| CN110303080A (en) * | 2019-08-07 | 2019-10-08 | 徐承 | A kind of stamping die |
| CN112051381A (en) * | 2020-08-26 | 2020-12-08 | 中国航空制造技术研究院 | Material performance testing method and testing tool |
-
2008
- 2008-10-23 CN CNU2008201409275U patent/CN201300174Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218466A (en) * | 2010-04-06 | 2011-10-19 | 通用汽车环球科技运作有限责任公司 | Fluid cooling during hot-blow-forming of metal sheets and tubes |
| CN105328001A (en) * | 2015-11-18 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing equipment for titanium alloy part with negative angle structure |
| CN110303080A (en) * | 2019-08-07 | 2019-10-08 | 徐承 | A kind of stamping die |
| CN112051381A (en) * | 2020-08-26 | 2020-12-08 | 中国航空制造技术研究院 | Material performance testing method and testing tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |