CN105344752B - A kind of conical thin-wall part school shape mould - Google Patents
A kind of conical thin-wall part school shape mould Download PDFInfo
- Publication number
- CN105344752B CN105344752B CN201510834420.4A CN201510834420A CN105344752B CN 105344752 B CN105344752 B CN 105344752B CN 201510834420 A CN201510834420 A CN 201510834420A CN 105344752 B CN105344752 B CN 105344752B
- Authority
- CN
- China
- Prior art keywords
- tire
- taper
- wall part
- conical thin
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to conical thin-wall part school shape moulds, tire (2) are ejected in tire (1) and taper including positioning under taper, it is positioned under taper and ejects the big end of tire (2) on the small end and taper of tire (1) and form a bullet when being combined together, the center that tire (2) are ejected in tire (1) and taper is positioned under taper across an ejection screw rod (3), ejection screw rod (3) is equipped with the protruding portion (8) that can be matched with the bottom surface of ejection tire (2) on the upper top surface and taper for positioning tire (1) under taper, the lower end that tire (1) is positioned under taper is equipped with baffle ring (7), it further comprise pressing plate (4), with diameter round support plate (9) identical with the internal diameter of the big opening end of conical thin-wall part on pressing plate (4), conical thin-wall part can be fitted in bullet by pressing plate (4) and baffle ring (7) On outer wall.The school shape mould can correct shape part, moreover it is possible to occur injuring by a crashing object when preventing part from dismantling, gouge, deformation etc..
Description
Technical field
The invention belongs to machining apparatus technical fields, are related to a kind of school shape mould, and in particular to a kind of conical thin-wall zero
Part school shape mould.
Background technique
Combustion chamber back segment is the component part of hypersonic jets combustion chamber.The operating condition of the part is high temperature, high compression ring
Border.To guarantee reliability of the part in high temperature, hyperbaric environment, part is made of heat-resisting material GH3128.The material is
The nickel-base alloy for strengthening crystal boundary with tungsten, molybdenum solution strengthening and with boron, cerium, zirconium, has high plasticity, higher durable creeping intensity
And the performances such as good inoxidizability and punching press, welding.The Element Design structure is thin-wall part composite brazing brazing filler metal structure,
Feature is Small Taper, long length, and part is cooling using cooling bath, to be further ensured that part works normally at high temperature.
This conical thin-wall part needs to carry out hot sizing after preparatory processing molding.By hot sizing, on the one hand disappear
Except a part of stress, on the other hand it is used to guarantee the precision of part.But this conical thin-wall zero is used for there are currently no special
The mould of part hot sizing, so that its hot sizing is extremely difficult.And after hot sizing, the taper after often making school shape is thin
There is the problems such as gouge, injure by a crashing object, deform in wall part.
Summary of the invention
It is an object of the invention to overcome disadvantage existing in the prior art, a kind of conical thin-wall part school shape tire is provided
Tool, which can correct shape part, moreover it is possible to occur injuring by a crashing object when preventing part from dismantling, gouge, deformation etc..
To achieve the goals above, the invention provides the following technical scheme: a kind of conical thin-wall part school shape mould,
Tire is ejected in tire and taper including positioning under taper, and the big end that tire is ejected on the small end and the taper of tire is positioned under the taper
A complete bullet is formed both when being combined together, characterized in that position under the taper and eject tire in tire and taper
Center pass through an ejection screw rod, it is described ejection screw rod on be provided with can under the taper positioning tire upper top surface and institute
It states and ejects the protruding portion that the bottom surface of tire matches in taper, the lower end that tire is positioned under the taper is provided with baffle ring, described
School shape mould further comprises pressing plate, identical as the internal diameter of big opening end of the conical thin-wall part with diameter on the pressing plate
Round support plate, and the conical thin-wall part can be fitted in the outer wall of the bullet by the pressing plate and the baffle ring
On.
Further, wherein it is described ejection screw rod both ends be both provided with external screw thread, the pressing plate and the baffle ring according to
The conical thin-wall part is fitted in institute by the first nut and the second nut that are screwed on the both ends for ejecting screw rod
It states on the outer wall of bullet.
Further, wherein the taper of the bullet is 4.05 °.
Conical thin-wall part of the invention has following advantageous effects with school shape mould:
1, using the difference of the hot line expansion factor of unlike material, extend the outer wall of conical thin-wall part slightly.School shape tire
The hot line that tool hot line expansion factor is greater than conical thin-wall part rises system, and conical thin-wall part is made to be close to mould during heating,
To eliminate the concave-convex type face on conical thin-wall inside parts.
2, hot sizing is carried out using the school shape mould, temperature selects 640 DEG C, that is, eliminates the interior of conical thin-wall part and answer
Power, and achieved the purpose that part school shape.
3, ejection screw rod is rotated with spanner, is ejected with spiral lift and position tire under taper, is avoided conical thin-wall part and exist
Occur in disassembly process injure by a crashing object and gouge defect.
4, conical thin-wall part big opening end is supportted with pressing plate, prevents conical thin-wall part big opening end from deforming because of disassembly.
Detailed description of the invention
Fig. 1 is the longitudinally cutting schematic diagram of conical thin-wall part school shape mould of the invention.
Fig. 2 is that conical thin-wall part school shape mould of the invention dismantles indulging when positioning tire under taper after the shape of school
To cut-away illustration.
Fig. 3 is that conical thin-wall part school shape mould of the invention dismantles indulging when ejecting tire in taper after the shape of school
To cut-away illustration.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the content of embodiment is not as to guarantor of the invention
Protect the limitation of range.
Fig. 1 shows the longitudinally cutting schematic diagram of conical thin-wall part school shape mould of the invention.As shown in Figure 1, institute
Stating conical thin-wall part school shape mould includes positioning to eject tire 2 in tire 1 and taper under taper.Tire 1 is positioned under the taper
A complete bullet is formed both when the big end of ejection tire 2 is combined together on small end and the taper.Preferably, described
The upper end that tire 1 is positioned under taper is provided with step, in the taper ejection tire 2 be set on the step and with the taper
Lower positioning tire 1 is combined together.
The center that tire 2 is ejected in tire 1 and taper is positioned under the taper across an ejection screw rod 3.Wherein, the ejection
Being provided on screw rod 3 can match with the bottom surface for ejecting tire 2 on the upper top surface and the taper for positioning tire 1 under the taper
Protruding portion 8.By the way that the protruding portion 8 is arranged, prevent the upper end of the ejection screw rod 3 under the taper from positioning tire 1
Top be passed down through, and the lower end of the ejection screw rod 3 cannot position the lower part of tire 2 from the taper and be upward through.
The lower end that tire 1 is positioned under the taper is provided with baffle ring 7.As shown in Figure 1, when the conical thin-wall part A covers
When being located on the bullet, the big end of the conical thin-wall part is acted against on the baffle ring 7.
The school shape mould further comprises pressing plate 4.As shown in figure 3, thin with diameter and the taper on the pressing plate 4
The identical round support plate 9 of the internal diameter of the big opening end of wall part A.Meanwhile it will be described by the pressing plate 4 and 7 energy of the baffle ring
Conical thin-wall part A is fitted on the outer wall of the bullet.
Preferably, as shown in Figure 1, the both ends of the ejection screw rod 3 are both provided with external screw thread.The pressing plate 4 and it is described only
Baffle ring 7 is by the first nut 5 and the second nut 6 on the both ends for being screwed in the ejection screw rod 3 and by the conical thin-wall zero
Part A is fitted on the outer wall of the bullet.
When in use, ejection tire 2 in tire 1 and the taper will be first positioned under the taper is set in the ejection screw rod 3
Above and they are set-located and forms bullet.Then, conical thin-wall part A is set on the bullet.Later,
Pressing plate 4 is pressed on the small end of the conical thin-wall part.It is by first nut 5 and the second nut 6 that the taper is thin
It is fitted on the bullet to wall part secure.Remove first nut 5, the second nut 6 and pressing plate 4 after the completion of press fitting,
Remainder is put into vacuum drying oven and is heated to 640 DEG C of progress hot sizings.It is that conical thin-wall part goes to answer that temperature, which selects 640 DEG C,
Power annealing temperature eliminates the internal stress that conical thin-wall part generates during reel and TIG weld, and has reached taper
The purpose of thin-walled parts school circle.
After the completion of hot sizing, the conical thin-wall part A after high-ranking officers' shape, which is positioned under the taper in tire 1 and taper, ejects tire
It is unloaded on 2.Firstly, as shown in Fig. 2, laying down positioning tire 1 under taper.In disassembly, the ejection screw rod 3 is rotated with spanner, by
In the protruding portion 8 and the upper top surface joint for positioning tire 1 under the taper, determine under the taper so that being ejected with spiral lift
Position tire 1, avoid that conical thin-wall part occurs in disassembly process injure by a crashing object and gouge defect.
Secondly, as shown in figure 3, disassembling ejection tire 2 in taper.In disassembly, supportted with the round fagging 9 of the pressing plate 4
The big opening end of conical thin-wall part is stated in residence, prevents the big opening end of the conical thin-wall part from deforming because of disassembly.With nut by institute
State the upper top surface that ejection screw rod 3 links together with the pressing plate 4, and will eject tire 2 in the ejection screw rod 3 and the taper
It is fixed together.By drawing high the ejection screw rod 3, ejection tire 2 in the taper is driven to exit the conical thin-wall part A.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.Here all embodiments can not be exhaustive.It is all to belong to skill of the invention
The obvious changes or variations that art scheme is extended out are still in the scope of protection of the present invention.
Claims (1)
1. a kind of conical thin-wall part school shape mould comprising it is positioned under taper in tire (1) and taper and ejects tire (2), it is described
One is formed both when the big end of the small end and ejection tire (2) in the taper that position tire (1) under taper is combined together completely
Bullet, characterized in that the center that tire (2) are ejected in tire (1) and taper is positioned under the taper across an ejection screw rod
(3), it is described ejection screw rod (3) on be provided with can under the taper position tire (1) upper top surface and the taper on eject
The protruding portion (8) that the bottom surface of tire (2) matches, the lower end that tire (1) is positioned under the taper is provided with baffle ring (7), described
School shape mould further comprises pressing plate (4), and the big opening end of diameter and the conical thin-wall part (A) is had on the pressing plate (4)
The identical round support plate (9) of internal diameter, and the pressing plate (4) and the baffle ring (7) can press the conical thin-wall part (A)
On the outer wall of the bullet, the both ends of ejection screw rod (3) are both provided with external screw thread, the pressing plate (4) and described
Baffle ring (7) will be described by the first nut (5) and the second nut (6) on the both ends for being screwed in ejection screw rod (3)
Conical thin-wall part (A) is fitted on the outer wall of the bullet, and the taper of the bullet is 4.05 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834420.4A CN105344752B (en) | 2015-11-26 | 2015-11-26 | A kind of conical thin-wall part school shape mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834420.4A CN105344752B (en) | 2015-11-26 | 2015-11-26 | A kind of conical thin-wall part school shape mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105344752A CN105344752A (en) | 2016-02-24 |
| CN105344752B true CN105344752B (en) | 2019-07-02 |
Family
ID=55320893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510834420.4A Active CN105344752B (en) | 2015-11-26 | 2015-11-26 | A kind of conical thin-wall part school shape mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105344752B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371776B (en) * | 2020-10-22 | 2023-03-24 | 中国航发贵州黎阳航空动力有限公司 | Vacuum thermal sizing die and method for engine support case |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709357A (en) * | 2009-12-18 | 2010-05-19 | 江南机器（集团）有限公司 | Tempering adjusting device of thin-walled cylinder body |
| CN104416057A (en) * | 2013-09-07 | 2015-03-18 | 内蒙古航天红岗机械有限公司 | Tapered thermal expansion reshaping mould |
| CN205146942U (en) * | 2015-11-26 | 2016-04-13 | 西安远航真空钎焊技术有限公司 | Toper thin wall part is with school mould that appears |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770026A (en) * | 1980-10-17 | 1982-04-30 | Koyo Seiko Co Ltd | Sizing equipment |
| US4444604A (en) * | 1983-03-07 | 1984-04-24 | United States Steel Corporation | Method of preventing distortion of a heated workpiece during cooling |
| JP3322588B2 (en) * | 1996-12-26 | 2002-09-09 | 川崎製鉄株式会社 | Roll changer for roller straightening machine |
| CN2749596Y (en) * | 2004-11-25 | 2006-01-04 | 西北有色金属研究院 | Metal pipe straightening die set |
| DE102005024627A1 (en) * | 2005-05-30 | 2006-12-07 | Mt Aerospace Ag | Vacuum-supported method and apparatus for forming a substantially flat blank made of metal to a thin-walled shell body and their use |
| CN203541248U (en) * | 2013-09-07 | 2014-04-16 | 内蒙古航天红岗机械有限公司 | Conical thermal-expansion correcting fixture |
-
2015
- 2015-11-26 CN CN201510834420.4A patent/CN105344752B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709357A (en) * | 2009-12-18 | 2010-05-19 | 江南机器（集团）有限公司 | Tempering adjusting device of thin-walled cylinder body |
| CN104416057A (en) * | 2013-09-07 | 2015-03-18 | 内蒙古航天红岗机械有限公司 | Tapered thermal expansion reshaping mould |
| CN205146942U (en) * | 2015-11-26 | 2016-04-13 | 西安远航真空钎焊技术有限公司 | Toper thin wall part is with school mould that appears |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105344752A (en) | 2016-02-24 |
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