CN104801598A - Bulging die for titanium-alloy thin-walled complicated irregular annular workpieces - Google Patents
Bulging die for titanium-alloy thin-walled complicated irregular annular workpieces Download PDFInfo
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Abstract
The invention relates to a bulging die for titanium-alloy thin-walled complicated irregular annular workpieces. The bulging die comprises a core shaft, n brackets, n male dies, female dies and a base, wherein n sliding rails are uniformly distributed on the upper surface of the base, and all brackets are respectively embedded in all the sliding rails so as to form a circular assembly; the small-diameter end of the core shaft is located in the assembly and is fit with the internal surfaces of all the brackets; the n male dies are fixedly arranged on all the brackets respectively; each circular female die is formed through folding corresponding two semicircular female die clacks and sleeves the external surface of the corresponding male die; the internal surfaces of the female dies and the external surfaces of the male dies are workpiece forming faces. According to the bulging die, the forming of the irregular annular workpieces mainly relies on the plastic forming of a material, so that the surface wear resistance of parts is improved, the service lives of the parts are prolonged, and the material is saved; the accuracy of the annular workpieces can be corrected; during continuous repeated machining, the consistency of size and accuracy of the parts can be guaranteed.
Description
Technical field
The present invention relates to plastic working field, is a kind of titanium alloy thin wall Complex Different Shape annular workpieces expanding die.
Background technology
The conventional manufacture method of Special-shaped annular workpiece has roll off, bulging and cutting, the present invention's alloy special-shaped titanium formed thereby ring is thin-wall complicated Special-shaped annular workpiece, abnormity is and wall thickness is more even inside and outside annular workpieces, annular workpieces roll off is due to the very difficult shaping the type annular workpieces of technology and equipment restriction, and for the Special-shaped annular workpiece that wall thickness is very thin, rigidity is poor, easily unstable phenomenon is there is in roll off process, cause being shaped or final circularity can not be guaranteed, and due to the impact by rolling mill practice and equipment limitation, its dimensional accuracy is general not high, only when ring shape of rolling piece is more satisfactory and equipment performance is more excellent, its dimensional accuracy just can reach 3 ‰ ~ 5 ‰ of corresponding size, adopt cutting process to process the type annular workpieces, waste material, and can destroy metal streamline, performance is difficult to ensure card, adopt bulging method to be shaped the type annular workpieces, can not waste of material be produced, annular workpieces quality is good, precision is high.
Disclosed in 18 days February in 2009, Chinese invention patent description CN101367104A discloses a kind of shroud ring, make retaining ring under fluid pressure effect, produce plastic deformation and carry out bulging, thus strengthening retaining ring, improve precision, but the method leans on the flexible contact of liquid and annular workpieces inner surface to carry out cold expanding shape rectangular loop workpiece, be only applicable to the material that bulging resistance of deformation is little, be not suitable for the Thermal expansion of the difficult-to-deformation materials such as annular titanium alloy workpiece.Han Xiu congruence is studied (Han Xiuquan to TC4 titanium alloy cylindrical part segmental mandrel heat expansion forming process, Zhang Tao, Fu Mingjie, Ma Yan, the research of yellow spring .TC4 titanium alloy cylindrical part distinguish heat expansion forming process. aero-manufacturing technology .2014.4), by the precision of the raising rectangular loop workpiece of segmental mandrel Thermal expansion, the Special-shaped annular workpiece but it can not be shaped.Chinese invention patent description CN102489596A disclosed in 24 days November in 2011 discloses a kind of method that rectangular titanium alloy shape workpiece heat expansion forms Special-shaped annular workpiece, rectangular loop workpiece is under the effect of punch, bulging becomes taper annular workpieces, and by the rotation of annular workpieces, repeatedly bulging, improve the precision of annular workpieces, but the method only has punch, the simple annular workpieces of the structure such as taper, rectangle that can only be shaped, can not the more complicated Special-shaped annular workpiece of shaped structure, and annular workpieces outer surface precision is lower.
Summary of the invention
For overcome exist in prior art can not the more complicated Special-shaped annular workpiece of shaped structure, and the deficiency that annular workpieces outer surface precision is lower, the present invention proposes a kind of expanding die of annular workpieces.
The present invention includes mandrel, a n support, a n punch, die and base; Be evenly equipped with n slide rail at the upper surface of described base, the trend of each slide rail is the radial direction of this base; The chute of described each support lower surface is chimeric with each slide rail being positioned at base upper surface respectively, is combined into circular assembly; The smaller diameter end of conical mandrel is positioned at described assembly, and fits with the inner surface of each support; Spacing between the lower surface of described mandrel and the upper surface of base is 1/3 of described support vertical height; N punch is separately fixed on each support; Two semicircular die lobes are to synthesizing circular die and being sleeved on the outer surface of each punch; The inner surface of described die and the outer surface of described punch are the forming face of workpiece; The internal diameter of the diameter=blank of the thickness+mandrel of the support of the thickness+present position of described punch.
Angle between described mandrel surface and this mandrel center line is 5 ~ 10 °.
The described inner surface by the assembly of n holder combination is the inclined-plane coordinated with mandrel outer surface; Described support is made up of the vertical plate of one piece of arc and one block of level board, and this vertical plate is positioned at one end of level board upper surface, have the chute of this level board length direction through at the center of described level board lower surface length direction, this chute coordinates with the slide rail of base upper surface; Two surfaces of described vertical plate are curved surface, and the curvature of this curved surface is identical with the curvature of mandrel, when after the assembly that n holder combination becomes circular, by the surface composition assembly inner surface coordinated with the outer surface of described mandrel of each vertical plate; The inner surface of described assembly is the inclined-plane coordinated with mandrel outer surface; Described vertical plate there is connecting hole;
Described vertical plate dual-side is the hypotenuse that angle is identical with the dual-side of level board, makes described support be fan-shaped; This segment angle β is determined by formula (2)
In formula (2), R is punch outer surface minimum profile curvature radius, and S is the radial total displacement of punch, and n is distinguish number, and β is punch outer surface camber line angle.
There is through core axle hole at the center of described base, and the diameter of this core axle hole is identical with the diameter of mandrel larger diameter end.
The surface that two the concave surface lobes forming described die combine is step-like, defines the seam be mutually fitted together to for two semicircular ring.
Described punch is the bulk of arc, and the curvature of the inner surface of this punch is identical with the curvature of rack outer surface, and the shape of this punch outer surface need be consistent with annular workpieces forming requirements.
The present invention, by carrying out bulging to rectangular titanium alloy shape workpiece, obtains the thin-wall complicated Special-shaped annular workpiece that the accuracy of form and position is high.
Conically and be sleeved in space that support surrounds, punch is fixed on support mandrel in the present invention, and support to be contained on base and can to slidably reciprocate along base, and die case is contained in punch periphery.The outer surface tapering of conical mandrel is consistent with tapering inside support, can with its close contact, during bulging, mandrel moves down, thus is strutted by 12 supports and move in the horizontal direction, completes Bulging Process.
Support is divided into two parts, vertical direction is conical outer surface by an inner surface is that the cutting of columniform annulus forms, vertical direction sections inner side is tapered cylinder face, tapering, diameter are all identical with mandrel, itself and mandrel fit tightly, external cylindrical surface diameter is identical with inside punch, and vertically has two screw holes in vertical portion, and punch can be made to be fixed by screws on support.There is a rectangular recess bottom horizontal component, match with the rectangular guideway of base, during bulging, can ensure that support moves along a straight line.
Punch and bulging die punch.Be cylindrical inside punch, diameter is equal with support vertical portion outside diameter, can fit tightly with support, difformity is made according to Special-shaped annular work piece inner surface in outside, and the angle of the side surface of two vertical directions is β, two countersunk screw hole are vertically had in punch centre position, consistent with the screw hole location of two on support, by two screws, punch is fixed on support, after fixing, contact with support with inner surface inside punch, lower surface and support level part contact.During bulging, each punch moves in the horizontal direction, forces blank to be out of shape, and bulging terminates rear punch outer surface and annular workpieces inner surface fits tightly, thus makes annular workpieces inner surface reach design size.
During bulging, mandrel moves down under pressure, due to outside slide block for taper, thus promotion support moves in the horizontal direction, punch moves in the horizontal direction with support, and then extrusion blank is pressed in die, make it be out of shape, divide and complete Bulging Process three times, bulging completes 60% of total deformation for the first time, by ring base centrally axis rotate 15 °, bulging again, complete 30% of total deformation, again rotate 15 °, complete 10% of total deformation, after bulging terminates, annular workpieces inner surface and punch fit tightly, outer surface and die fit tightly, reach design size, die is separated, take out annular workpieces.Adopt this mould can be shaped thin-wall complicated Special-shaped annular workpiece, and can degree of precision be reached.
When adopting this die forming Special-shaped annular workpiece, whole process is mainly by materials plastic forming, plastic deformation can not add as chip the continuity that trade union destroys metallic fiber, the density of material can also be improved simultaneously, thus increase the surface abrasion resistance of part, the service life of raising part, and save material; Because the final geometry of annular workpieces and size are ensured by mould, the precision that the annular workpieces of shaping reaches very high can be made, and repeatedly add the uniformity that man-hour can ensure accessory size, precision continuously; This mould has outer die, and die is made up of two parts, by die is separately taken out annular workpieces very easily after bulging terminates, therefore compared with existing annular workpieces expanding die, this mould both can the better simply rectangle of shaped structure or taper annular workpieces, again can the Special-shaped annular workpiece of shaped structure complexity.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is front views of the present invention;
Accompanying drawing 3 is top views of the present invention;
Accompanying drawing 4 is axonometric drawings of the present invention;
Accompanying drawing 5 is assembling schematic diagrames of the present invention;
Accompanying drawing 6 is structural representations of mandrel;
Accompanying drawing 7 is axonometric drawings of support;
Accompanying drawing 8 is front views of Fig. 7;
Accompanying drawing 9 is top views of Fig. 7;
Accompanying drawing 10 is side views of Fig. 7;
Accompanying drawing 11 is axonometric drawings of punch;
Accompanying drawing 12 is axonometric drawings of die;
Accompanying drawing 13 is axonometric drawings of base;
Accompanying drawing 14 is schematic diagrames of the final annular workpieces of embodiment 1;
Accompanying drawing 15 is schematic diagrames of the final annular workpieces of embodiment 2.
In figure: 1. mandrel; 2. support; 3. soket head cap screw; 4. punch; 5. blank; 6. die; 7. base; 8. screw.
Detailed description of the invention
Embodiment 1
This example is the expanding die of the thin-wall complicated Special-shaped annular workpiece of a kind of forming titanium alloy.In this example, annular workpieces shape as shown in figure 11, annular workpieces wall thickness b=15, the outer diameter D=1000mm of annular workpieces, and annular workpieces upper end length of straight flange is h
1, lower end length of straight flange is h
2, and h
1=h
2=130mm; The middle part of described annular workpieces is the outer radius R of the heteromorphic regions of arc-shaped, this heteromorphic regions
2=50mm; The two ends of described heteromorphic regions are arc transition respectively and between annular workpieces upper end straight flange and lower end straight flange; Described transition arc R
1=10mm.Annular workpieces material is TA15 titanium alloy.Adopt H13 hot die steel to make punch and die, remaining part adopts 45 steel.
This example comprises mandrel 1,12 supports 2, punch 4, die 6, bases 7.Described each support is positioned at the upper surface of base 7, and the chute of each support lower surface is chimeric with each slide rail being distributed in base 7 upper surface respectively, and each support is moved radially along the upper surface of this slide rail at described base; Described 12 supports are combined into circular assembly at the upper surface of this base.The smaller diameter end of conical mandrel 1 is positioned at the described assembly be made up of 12 supports, and fits with the inner surface of each support; Have spacing between the lower surface of described mandrel and the upper surface of base, the height of this spacing is 1/3 of described support vertical height.12 punch 4 are fixed on each support 2 respectively by soket head cap screw 3.Two semicircular die lobes are to synthesizing circular die 6 and being sleeved on the outer surface of each punch 4; The inner surface of described die and the outer surface of described punch are the forming face of workpiece; The shape in described component shaping face is consistent with the shape of the workpiece after shaping.
The internal diameter of the diameter=blank of the thickness+mandrel of the support of the thickness+present position of described punch.
During work, the blank of titanium alloy thin wall Complex Different Shape annular workpieces is placed between described punch 4 and die 6.By forcing press, mandrel 1 is exerted pressure, this mandrel is moved down under the effect of the pressure, and promote 12 supports 2 and all radially move along susceptor surface and drive punch to move horizontally with support, and then the blank of extruding titanium alloy thin wall Complex Different Shape annular workpieces, by the shaping on punch
Block, by the groove of this blank press-in die, makes blank be out of shape.Described Bulging Process in triplicate: during first time bulging core, axle 1 moves down 384mm, completes 60% of total deformation; During second time bulging core, by blank centrally axis rotation β/3, mandrel 1 moves down 192mm, completes 30% of total deformation; During third time bulging core, again blank is rotated β/3, mandrel 1 moves down 96mm, completes 10% of total deformation.Blank centrally axis rotate time, the rotation direction of twice is consistent.After bulging terminates, annular workpieces inner surface and punch 4 fit tightly, and outer surface and die 6 fit tightly, and reach design size, by die 6 separately, take out annular workpieces, obtain titanium alloy thin wall Complex Different Shape annular workpieces.
Angle between described mandrel surface and this mandrel center line is 5 ~ 10 °.In the present embodiment, described mandrel base diameter is 580mm, and top diameter is 862mm, and during bulging, mandrel 1 moves down, thus is strutted by 12 supports 2 and move along level side, completes Bulging Process.The formula (1) moving horizontally distance S calculating support 2 is:
S＝htanα (1)
H is the distance of mandrel 1 vertically movement, and α is the angle of mandrel surface and mandrel center line.
Described support 2 is made up of the vertical plate of one piece of arc and one block of level board, and this vertical plate is positioned at one end of level board upper surface.A surface of described vertical plate is the inclined-plane coordinated with mandrel outer surface, and when after the assembly that 12 holder combination become circular, the inclined-plane of described vertical plate is the inner surface of this assembly, coordinates with the outer surface of described mandrel.Two surfaces of described vertical plate are curved surface simultaneously, and the curvature of this curved surface is identical with the curvature of mandrel.Described vertical plate there is connecting hole.
Described vertical plate dual-side is the hypotenuse that angle is identical with the dual-side of level board, makes described support be fan-shaped; This fan-shaped angle beta is determined by formula (2), in the present embodiment, and these segment angle β=24 °.
R is punch outer surface minimum profile curvature radius, and S is the radial total displacement of punch, and n is distinguish number, and β is punch outer surface camber line angle.
Have the chute of this level board length direction through at the center of this level board lower surface length direction, this chute coordinates with the slide rail of base upper surface.
Described punch 4 is the bulk of arc, and the curvature of the inner surface of this punch is identical with the curvature of rack outer surface, and the shape of this punch outer surface need be consistent with annular workpieces forming requirements.In the present embodiment, have the radial arc protruded in the middle part of the annular workpieces after shaping, define the heteromorphic regions of this annular workpieces, therefore have the shaping block of protrusion at the middle part of this punch, the shape of this shaping block is determined according to the forming requirements of annular workpieces.
Be cylindrical inside the punch 4 of the present embodiment, diameter 780mm, outer shape, size are consistent with annular workpieces inner surface, the total height 520mm of punch 4, the height 217.5mm of upper and lower two cylindrical surface, diameter is 970mm, heteromorphic regions two knuckle diameter is 50mm, and heteromorphic regions half circular diameter is 70mm.Vertically have two M16 countersunk screw hole in punch 4 centre position, the distance apart from upper and lower end face is respectively 130mm.Punch 4 is fixed on support 2 by soket head cap screw 3, and inner surface contacts with support 2 vertical portion, and lower surface contacts with support 2 horizontal component.
Die 6 is circular, is combined by the die lobe of two semicircular ring.The internal diameter of described die 6 is identical with the external diameter of the workpiece after shaping.The surface that described two semicircular ring combine is step-like, defines the seam be mutually fitted together to for two semicircular ring; Described seam there is fixing screw hole.
In the present embodiment, die inner shape, size are all consistent with annular workpieces outer surface, and total height is 520mm, and upper and lower two cylindrical surface height is 217.5mm, and diameter is 1000mm, two knuckle diameter R of heteromorphic regions
1=R
2=20mm, heteromorphic regions half circular diameter is 100mm, is cylindrical outside die, diameter 1200mm.Two parts of die 6 are fixed together by four M20 screws.
Described base 7 is disc, has through core axle hole at the center of this disk, and the diameter of this core axle hole is identical with the diameter of mandrel larger diameter end.Being evenly equipped with 12 cross sections at described base 7 upper surface is the slide rail of rectangle, and this guide rail coordinates with the chute of each support lower surface respectively, thus is assemblied on base by each support, and makes each support 2 all can move along described slide rail when bulging.
In the present embodiment, the diameter of described core axle hole is 900mm, and base 7 upper surface has a rectangular guideway every 30 °, is highly 25mm, and width is 70mm.
Embodiment 2
This example is the expanding die of the thin-wall complicated Special-shaped annular workpiece of a kind of forming titanium alloy.In this example, annular workpieces shape as shown in figure 12, annular workpieces wall thickness b=15, the small end outer diameter D of annular workpieces
1=1000mm, the large end outer diameter D of annular workpieces
2=1100mm, annular workpieces height h=350mm.Annular workpieces material is TA15 titanium alloy.Adopt H13 hot die steel to make punch and die, remaining part adopts 45 steel.
This example comprises mandrel 1,12 supports 2, punch 4, die 6, bases 7.Described each support is positioned at the upper surface of base 7, and the chute of each support lower surface is chimeric with each slide rail being distributed in base 7 upper surface respectively, and each support is moved radially along the upper surface of this slide rail at described base; Described 12 supports are combined into circular assembly at the upper surface of this base.The smaller diameter end of conical mandrel 1 is positioned at the described assembly be made up of 12 supports, and fits with the inner surface of each support; Have spacing between the lower surface of described mandrel and the upper surface of base, the height of this spacing is 1/3 of described support vertical height.12 punch 4 are fixed on each support 2 respectively by soket head cap screw 3.Two semicircular die lobes are to synthesizing circular die 6 and being sleeved on the outer surface of each punch 4; The inner surface of described die and the outer surface of described punch are the forming face of workpiece; The shape in described component shaping face is consistent with the shape of the workpiece after shaping.
The internal diameter of the diameter=blank of the thickness+mandrel of the support of the thickness+present position of described punch.
During work, the blank of titanium alloy thin wall Complex Different Shape annular workpieces is placed between described punch 4 and die 6.By forcing press, mandrel 1 is exerted pressure, this mandrel is moved down under the effect of the pressure, and promote 12 supports 2 and all radially move along susceptor surface and drive punch to move horizontally with support, and then the blank of extruding titanium alloy thin wall Complex Different Shape annular workpieces, by the shaping block on punch by the groove of this blank press-in die, blank is out of shape.Described Bulging Process in triplicate: during first time bulging core, axle 1 moves down 384mm, completes 60% of total deformation; During second time bulging core, by blank centrally axis rotation β/3, mandrel 1 moves down 192mm, completes 30% of total deformation; During third time bulging core, again blank is rotated β/3, mandrel 1 moves down 96mm, completes 10% of total deformation.After bulging terminates, annular workpieces inner surface and punch 4 fit tightly, and outer surface and die 6 fit tightly, and reach design size, by die 6 separately, take out annular workpieces, obtain titanium alloy thin wall Complex Different Shape annular workpieces.
Angle between described mandrel surface and this mandrel center line is 5 ~ 10 °.In the present embodiment, described mandrel base diameter is 580mm, and top diameter is 862mm, and during bulging, mandrel 1 moves down, thus is strutted by 12 supports 2 and move along level side, completes Bulging Process.The formula (1) moving horizontally distance S calculating support 2 is:
S＝htanα (1)
H is the distance of mandrel 1 vertically movement, and α is the angle between axle surface and this mandrel center line.
Described support 2 is made up of the vertical plate of one piece of arc and one block of level board, and this vertical plate is positioned at one end of level board upper surface.A surface of described vertical plate is the inclined-plane coordinated with mandrel outer surface, and when after the assembly that 12 holder combination become circular, the inclined-plane of described vertical plate is the inner surface of this assembly, coordinates with the outer surface of described mandrel.Two surfaces of described vertical plate are curved surface simultaneously, and the curvature of this curved surface is identical with the curvature of mandrel.Described vertical plate there is connecting hole.Described vertical plate dual-side is inclined-plane, makes the cross section of this vertical plate be fan-shaped.The dual-side of described level board is hypotenuse, makes this level board be fan-shaped; Have the chute of this level board length direction through at the center of this level board lower surface length direction, this chute coordinates with the slide rail of base upper surface.The angle that described vertical plate cross section is fan-shaped and the fan-shaped angle of level board are β, and β is determined by formula (2), in the present embodiment, and these segment angle β=24 °.
R is punch outer surface minimum profile curvature radius, and S is the radial total displacement of punch, and n is distinguish number, and β is punch outer surface camber line angle.
Described punch 4 is the bulk of arc, and the curvature of the inner surface of this punch is identical with the curvature of rack outer surface, and the shape of this punch outer surface need be consistent with annular workpieces forming requirements.In the present embodiment, the annular workpieces after shaping is taper, therefore the outer surface of this punch is taper.
Be cylindrical inside the punch 4 of the present embodiment, diameter 780mm, outer shape, size are consistent with annular workpieces inner surface, the total height 400mm of punch 4, and upper surface diameter is 956mm, and lower surface diameter is 1070mm.Vertically have two M16 countersunk screw hole in punch 4 centre position, the distance apart from upper and lower end face is respectively 130mm.Punch 4 is fixed on support 2 by soket head cap screw 3, and inner surface contacts with support 2 vertical portion, and lower surface contacts with support 2 horizontal component.
Die 6 is circular, is combined by the die lobe of two semicircular ring.The internal diameter of described die 6 is identical with the external diameter of the workpiece after shaping.The surface that described two semicircular ring combine is step-like, defines the seam be mutually fitted together to for two semicircular ring; Described seam there is fixing screw hole.
In the present embodiment, die inner shape, size are all consistent with annular workpieces outer surface, are highly 400mm, and upper surface diameter is 986mm, and lower surface diameter is 1100mm, are cylindrical outside die, diameter 1200mm.Two parts of die 6 are fixed together by four M20 screws.
Described base 7 is disc, has through core axle hole at the center of this disk, and the diameter of this core axle hole is identical with the diameter of mandrel larger diameter end.Being evenly equipped with 12 cross sections at described base 7 upper surface is the slide rail of rectangle, and this guide rail coordinates with the chute of each support lower surface respectively, thus is assemblied on base by each support, and makes each support 2 all can move along described slide rail when bulging.
In the present embodiment, the diameter of described core axle hole is 900mm, and base 7 upper surface has a rectangular guideway every 30 °, is highly 25mm, and width is 70mm.
Claims (6)
1. a titanium alloy thin wall Complex Different Shape annular workpieces expanding die, is characterized in that, comprises mandrel, a n support, a n punch, die and base; Be evenly equipped with n slide rail at the upper surface of described base, the trend of each slide rail is the radial direction of this base; The chute of described each support lower surface is chimeric with each slide rail being positioned at base upper surface respectively, is combined into circular assembly; The smaller diameter end of conical mandrel is positioned at described assembly, and fits with the inner surface of each support; Spacing between the lower surface of described mandrel and the upper surface of base is 1/3 of described support vertical height; N punch is separately fixed on each support; Two semicircular die lobes are to synthesizing circular die and being sleeved on the outer surface of each punch; The inner surface of described die and the outer surface of described punch are the forming face of workpiece; The internal diameter of the diameter=blank of the thickness+mandrel of the support of the thickness+present position of described punch.
2. titanium alloy thin wall Complex Different Shape annular workpieces expanding die as claimed in claim 1, it is characterized in that, the angle between described mandrel surface and this mandrel center line is 5 ~ 10 °.
3. titanium alloy thin wall Complex Different Shape annular workpieces expanding die as claimed in claim 1, it is characterized in that, the described inner surface by the assembly of n holder combination is the inclined-plane coordinated with mandrel outer surface; Described support is made up of the vertical plate of one piece of arc and one block of level board, and this vertical plate is positioned at one end of level board upper surface, have the chute of this level board length direction through at the center of described level board lower surface length direction, this chute coordinates with the slide rail of base upper surface; Two surfaces of described vertical plate are curved surface, and the curvature of this curved surface is identical with the curvature of mandrel, when after the assembly that n holder combination becomes circular, by the surface composition assembly inner surface coordinated with the outer surface of described mandrel of each vertical plate; The inner surface of described assembly is the inclined-plane coordinated with mandrel outer surface; Described vertical plate there is connecting hole;
Described vertical plate dual-side is the hypotenuse that angle is identical with the dual-side of level board, makes described support be fan-shaped; This segment angle β is determined by formula (2)
In formula (2), R is punch outer surface minimum profile curvature radius, and S is the radial total displacement of punch, and n is distinguish number, and β is punch outer surface camber line angle.
4. titanium alloy thin wall Complex Different Shape annular workpieces expanding die as claimed in claim 1, it is characterized in that, there is through core axle hole at the center of described base, and the diameter of this core axle hole is identical with the diameter of mandrel larger diameter end.
5. titanium alloy thin wall Complex Different Shape annular workpieces expanding die as claimed in claim 1, it is characterized in that, the surface that two the concave surface lobes forming described die combine is step-like, defines the seam be mutually fitted together to for two semicircular ring.
6. titanium alloy thin wall Complex Different Shape annular workpieces expanding die as claimed in claim 1, it is characterized in that, described punch is the bulk of arc, and the curvature of the inner surface of this punch is identical with the curvature of rack outer surface, and the shape of this punch outer surface need be consistent with annular workpieces forming requirements.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441604A (en) * | 2011-11-24 | 2012-05-09 | 贵州安大航空锻造有限责任公司 | Thermal bulging method for aluminum alloy special-shaped ring-rolled piece |
| CN102513442A (en) * | 2011-11-24 | 2012-06-27 | 贵州安大航空锻造有限责任公司 | Method for forming irregular ring piece by utilizing high-temperature alloy rectangular ring rolled piece through thermal bulging |
| CN103418674A (en) * | 2013-09-01 | 2013-12-04 | 贵州航宇科技发展股份有限公司 | Method for forming heat-bulging annular piece with shaped cross section by titanium alloy annular piece with rectangular cross section |
| CN103433367A (en) * | 2013-09-01 | 2013-12-11 | 贵州航宇科技发展股份有限公司 | Thermal bulging formation method for titanium alloy rectangular-section annular piece |
| CN204996929U (en) * | 2015-04-23 | 2016-01-27 | 西北工业大学 | Bulging die utensil of annular work piece |
-
2015
- 2015-04-23 CN CN201510197511.1A patent/CN104801598B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441604A (en) * | 2011-11-24 | 2012-05-09 | 贵州安大航空锻造有限责任公司 | Thermal bulging method for aluminum alloy special-shaped ring-rolled piece |
| CN102513442A (en) * | 2011-11-24 | 2012-06-27 | 贵州安大航空锻造有限责任公司 | Method for forming irregular ring piece by utilizing high-temperature alloy rectangular ring rolled piece through thermal bulging |
| CN103418674A (en) * | 2013-09-01 | 2013-12-04 | 贵州航宇科技发展股份有限公司 | Method for forming heat-bulging annular piece with shaped cross section by titanium alloy annular piece with rectangular cross section |
| CN103433367A (en) * | 2013-09-01 | 2013-12-11 | 贵州航宇科技发展股份有限公司 | Thermal bulging formation method for titanium alloy rectangular-section annular piece |
| CN204996929U (en) * | 2015-04-23 | 2016-01-27 | 西北工业大学 | Bulging die utensil of annular work piece |
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| CN108435936A (en) * | 2018-03-23 | 2018-08-24 | 吴浩 | The Thermal expansion method of bearing steel conical ring rolled piece |
| CN109434397A (en) * | 2018-12-11 | 2019-03-08 | 陕西宏远航空锻造有限责任公司 | A kind of preparation method of superalloy annular forging expanding die |
| CN109530495A (en) * | 2018-12-29 | 2019-03-29 | 无锡市振华亿美嘉科技有限公司 | Lock support oral area shaping mould |
| CN110743979A (en) * | 2019-11-26 | 2020-02-04 | 中国航发沈阳黎明航空发动机有限责任公司 | Thermal bulging die for arc-shaped concave surface of titanium alloy thin-wall cylindrical part and working method |
| CN111842751A (en) * | 2020-07-23 | 2020-10-30 | 苏强 | Forging method for new energy automobile hub |
| CN112620494A (en) * | 2020-11-27 | 2021-04-09 | 北京航星机器制造有限公司 | Multidirectional hot extrusion split combined die for machining thin-wall high-rib circular arc plate component |
| CN112756473A (en) * | 2020-12-17 | 2021-05-07 | 重庆虎溪电机工业有限责任公司 | Method for making copper thin-wall skeleton |
| CN112756473B (en) * | 2020-12-17 | 2023-02-17 | 重庆虎溪电机工业有限责任公司 | Method for making copper thin-wall skeleton |
| CN113245451A (en) * | 2021-06-09 | 2021-08-13 | 索罗曼(常州)合金新材料有限公司 | Method for producing titanium alloy large-caliber square thin-walled tube |
| CN113245451B (en) * | 2021-06-09 | 2022-02-11 | 索罗曼(常州)合金新材料有限公司 | Method for producing titanium alloy large-caliber square thin-walled tube |
| CN115229441A (en) * | 2022-07-26 | 2022-10-25 | 重庆金世利航空材料有限公司 | Manufacturing method of small titanium alloy high-cylinder ring rolled piece |
| CN115229441B (en) * | 2022-07-26 | 2024-02-09 | 重庆金世利航空材料有限公司 | Manufacturing method of small titanium alloy high-cylinder ring rolled piece |
| CN118080701A (en) * | 2024-04-28 | 2024-05-28 | 裕钦精密拉深技术(苏州)有限公司 | Efficient stainless steel deep drawing die and application method thereof |
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Effective date of registration: 20201210 Address after: No.78 Guanhai Road, Xinxing District, Donggang Economic Development Zone, Dandong City, Liaoning Province Patentee after: DANDONG FENGNENG INDUSTRIAL ABILITY Co.,Ltd. Address before: 710072 No. 127 Youyi West Road, Shaanxi, Xi'an Patentee before: Northwestern Polytechnical University |