CN104550394A - Powerful spinning withdrawing device - Google Patents
Powerful spinning withdrawing device Download PDFInfo
- Publication number
- CN104550394A CN104550394A CN201410843884.7A CN201410843884A CN104550394A CN 104550394 A CN104550394 A CN 104550394A CN 201410843884 A CN201410843884 A CN 201410843884A CN 104550394 A CN104550394 A CN 104550394A
- Authority
- CN
- China
- Prior art keywords
- overcoat
- blank
- material returned
- elastomer
- spinning
- 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.)
- Granted
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention belongs to the field of pipe machining technologies, and particularly relates to a powerful spinning withdrawing device which comprises a core die, a blank, a spinning wheel, an elastic body, a jacket, a withdrawing ring and a spring. The core die is connected with the jacket by keys or pins, the withdrawing ring is positioned between the jacket and the core die, the elastic body is arranged between the withdrawing ring and the jacket, the spring is arranged between the withdrawing ring and the core die, and the withdrawing ring has an axial movement space relative to the jacket; the elastic body can compress the blank and the jacket when compressed, so that the blank and the core die can be prevented from rotating relatively; the withdrawing ring can be pushed when spinning is completely carried out, accordingly, the elastic body which is compressed between the blank and the jacket under the effect of friction can be loosened, and withdrawing effects can be smoothly realized. The powerful spinning withdrawing device has the advantages that the ends of the blank are constantly in contact with the elastic body during spinning, accordingly, metal slag scraps can be prevented, the powerful spinning withdrawing device has a function of preventing the blank and the core die from rotating relatively in spinning procedures and guaranteeing post-spinning smooth withdrawing, and pipe surface quality problems due to metal slag scraps generated by the traditional withdrawing device can be solved.
Description
Technical field
The invention belongs to tubular object extruding technical field, particularly relate to a kind of shear spinning discharging device.
Background technology
Shear spinning is a kind of important method of machining high-precision high performance pipe, and it is high that its metal pipe material prepared has dimensional accuracy, and surface quality is good, respectively to important feature such as performance are even; Aero-Space military project national defence is anti-etc., be used widely in field.Spinning rolls the metal stock be in relative rotation enclosed within core by spinning roller, makes metal base by thick thinning, form thin-wall pipes gradually.The most frequently used mode of spinning is derotation, and during derotation, device for discharging is absolutely necessary.Device for discharging effect is, during spinning spinning roller promote blank be pressed on device for discharging, device for discharging generally has tooth-shape structure, by the mutual friction between tooth-shape structure with blank and be engaged prevention blank and core between relatively rotate; After spinning completes, by pushing unloading device, blank is exited core.During usual spinning, mutual friction between profile of tooth with blank and being engaged can produce regulus bits, enters between core and blank or is attached to blank surface, be pressed into blank subsequently by spinning roller with lubricating fluid etc., form pockmark and pit at tubing surfaces externally and internally, have a strong impact on tube surfaces quality.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of shear spinning discharging device, comprising: core 1, blank 2, spinning roller 3, elastomer 4, overcoat 5, material returned circle 6, spring 7;
Wherein, spinning roller 3, by rolling the blank in relative rotation 2 be enclosed within core 1, makes it by thick thinning, forms thin-wall pipes gradually; Core 1 and overcoat 5 are linked together by key or pin, the lower port diameter of overcoat 5 equals the external diameter of blank 2, material returned circle 6 is between overcoat 5 and core 1, elastomer 4 is housed between material returned circle 6 and overcoat 5, spring 7 is housed between material returned circle 6 and core 1, and material returned circle 6 has axial float space relative to overcoat 5; The central ring external diameter of material returned circle 6 equals the upper internal diameter of overcoat 5 and is less than the external diameter of blank 2, and the central ring internal diameter of material returned circle 6 is identical with core 1 external diameter; The external diameter of elastomer 4 equals overcoat 5 intracavity diameter, and the internal diameter of elastomer 4 is identical with material returned circle 6 external diameter;
When not working, material returned circle 6 is withstood on overcoat 5 upper oral part by spring 7, and now material returned circle 6 lower end is concordant with elastomer 4 lower end or stretch out.
The working method of described device is:
When spinning starts, blank 2 stretches into overcoat 5 because spinning roller 3 acts on, touch material returned circle 6 and elastomer 4, material returned circle 6 relatively overcoat 5 retreats, because blank 2 thickness is greater than material returned circle 6 thickness, elastomer 4 is compressed and pushes down blank 2 from end face and side and push down overcoat 5 simultaneously, stops them to relatively rotate because of elastomer 4 and the friction between blank 2 and overcoat 5, prevents the effect that blank 2 and core 1 relatively rotate when playing spinning; Because blank end during spinning is contacted with discharging device by elastomer, regulus bits can not be produced. thus there will not be because regulus considers the tube surfaces quality problems caused to be worth doing;
At the end of spinning, promote material returned circle 6, the elastomer 4 be pressed between blank 2 and overcoat 5 is loosened, now realize the material returned smoothly because of rubbing action.
Assembling mode between described elastomer 4 and overcoat 5 is, first the jacket bottom 8 that overcoat 5 contacts with blank 2 is separated, and uses welding or securing member mode by fastening for two parts after being loaded by elastomer 4 again.
Described elastomer 4 is for polyamine lipid rubber or have the lancinating all kinds of elastomer of Yao.
Beneficial effect of the present invention is: construct a kind of spinning discharging device, while possessing and stoping in spinning process and relatively rotate between blank and core and ensure smooth material returned function, can prevent traditional discharging device from considering because producing regulus the tube surfaces quality problems caused to be worth doing.
Accompanying drawing explanation
Fig. 1 is the profile of the off position of shear spinning discharging device of the present invention.
Fig. 2 is the profile of the duty of shear spinning discharging device of the present invention.
In figure, 1-core, 2-blank, 3-spinning roller, 4-elastomer, 5-overcoat, 6-material returned circle, 7-spring, 8-jacket bottom.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.
A kind of shear spinning discharging device, as shown in Figure 1, comprising: core 1, blank 2, spinning roller 3, elastomer 4, overcoat 5, material returned circle 6, spring 7;
Wherein, spinning roller 3, by rolling the blank in relative rotation 2 be enclosed within core 1, makes it by thick thinning, forms thin-wall pipes gradually; Core 1 and overcoat 5 are linked together by key or pin, the lower port diameter of overcoat 5 equals the external diameter of blank 2, material returned circle 6 is between overcoat 5 and core 1, elastomer 4 is housed between material returned circle 6 and overcoat 5, spring 7 is housed between material returned circle 6 and core 1, and material returned circle 6 has axial float space relative to overcoat 5; The central ring external diameter of material returned circle 6 equals the upper internal diameter of overcoat 5 and is less than the external diameter of blank 2, and the central ring internal diameter of material returned circle 6 is identical with core 1 external diameter; The external diameter of elastomer 4 equals overcoat 5 intracavity diameter, and the internal diameter of elastomer 4 is identical with material returned circle 6 external diameter;
When not working, material returned circle 6 is withstood on overcoat 5 upper oral part by spring 7, and now material returned circle 6 lower end is concordant with elastomer 4 lower end or stretch out.
The working method of described device is:
When spinning starts, blank 2 stretches into overcoat 5 because spinning roller 3 acts on, touch material returned circle 6 and elastomer 4, material returned circle 6 relatively overcoat 5 retreats, as shown in Figure 2, because blank 2 thickness is greater than material returned circle 6 thickness, elastomer 4 is compressed and pushes down blank 2 from end face and side pushes down overcoat 5 simultaneously, stop them to relatively rotate because of elastomer 4 and the friction between blank 2 and overcoat 5, when playing spinning, prevent the effect that blank 2 and core 1 relatively rotate;
At the end of spinning, promote material returned circle 6, the elastomer 4 be pressed in because of rubbing action between blank 2 and overcoat 5 is loosened, remove overcoat and the key between core simultaneously or sell and be connected, now realize the material returned smoothly.
Assembling mode between described elastomer 4 and overcoat 5 is, first the jacket bottom 8 that overcoat 5 bottom contacts with blank 2 is separated, and as shown in Figure 2, uses welding or securing member mode by fastening for two parts after being loaded by elastomer 4 again.
Described elastomer 4 is for polyamine lipid rubber or have the lancinating all kinds of elastomer of Yao.
Embodiment one
Spinning 304 stainless steel pipe, blank internal diameter 150mm, external diameter 166mm, as shown in Figure 2, size is as follows for the discharging device of preparation, overcoat lower port diameter 166mm, back cut diameter 160mm, inner chamber internal diameter 175mm; Material returned circle internal diameter 150mm, external diameter 160mm, the elastomer polyamine lipid rubber of shore hardness 85, its internal diameter 160mm, external diameter 175mm.
During device work, first discharging device is placed on core, with pin, overcoat and core is linked together, be loaded on 304 stainless steel blanks, carry out multi-pass spinning by passage machining deformation amount 30%, until reach the wall thickness of regulation, obtain 304 stainless steel pipes.During spinning, blank and core keep relative motionless, and spinning completes and pulls out attachment pegs, pull material returned circle, are exited by blank smoothly.
The end not damaged that supination blank contacts with discharging device, the tubing surfaces externally and internally of back-out is without any defect, and quality is good.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (4)
1. a shear spinning discharging device, comprising: core (1), blank (2), spinning roller (3), elastomer (4), overcoat (5), material returned circle (6), spring (7);
Wherein, spinning roller (3), by rolling the blank in relative rotation (2) be enclosed within core (1), makes it by thick thinning, forms thin-wall pipes gradually; Core (1) and overcoat (5) are linked together by key or pin, the lower port diameter of overcoat (5) equals the external diameter of blank (2), material returned circle (6) is between overcoat (5) and core (1), elastomer (4) is housed between material returned circle (6) and overcoat (5), spring (7) is housed between material returned circle (6) and core (1), and material returned circle (6) has axial float space relative to overcoat (5); The central ring external diameter of material returned circle (6) equals the upper internal diameter of overcoat (5) and is less than the external diameter of blank (2), and the central ring internal diameter of material returned circle (6) is identical with core (1) external diameter; The external diameter of elastomer (4) equals overcoat (5) intracavity diameter, and the internal diameter of elastomer (4) is identical with material returned circle (6) external diameter;
When not working, material returned circle (6) is withstood on overcoat (5) upper oral part by spring (7), and now material returned circle (6) lower end is concordant with elastomer (4) lower end or stretch out.
2. device according to claim 1, it is characterized in that, the working method of described device is:
When spinning starts, blank (2) stretches into overcoat (5) because spinning roller (3) acts on, touch material returned circle (6) and elastomer (4), material returned circle (6) relatively overcoat (5) retreats, because blank (2) thickness is greater than material returned circle (6) thickness, elastomer (4) is compressed and pushes down blank (2) from end face and side pushes down overcoat (5) simultaneously, them are stoped to relatively rotate because of elastomer (4) and the friction between blank (2) and overcoat (5), the effect that blank (2) and core (1) relatively rotate is prevented when playing spinning,
At the end of spinning, promote material returned circle (6), the elastomer (4) be pressed in because of rubbing action between blank (2) and overcoat (5) is loosened, remove the key between core (1) with overcoat (5) simultaneously or sell and be connected, now realize the material returned smoothly.
3. device according to claim 1, the assembling mode between described elastomer (4) and overcoat (5) that it is characterized in that is, first the jacket bottom 8 that overcoat (5) contacts with blank (2) is separated, after being loaded by elastomer (4), use welding or securing member mode by fastening for two parts again.
4. device according to claim 1, is characterized in that described elastomer (4) is for polyamine lipid rubber or there is the lancinating all kinds of elastomer of Yao.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843884.7A CN104550394B (en) | 2014-12-30 | 2014-12-30 | A kind of shear spinning discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843884.7A CN104550394B (en) | 2014-12-30 | 2014-12-30 | A kind of shear spinning discharging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550394A true CN104550394A (en) | 2015-04-29 |
| CN104550394B CN104550394B (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410843884.7A Expired - Fee Related CN104550394B (en) | 2014-12-30 | 2014-12-30 | A kind of shear spinning discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104550394B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749544A (en) * | 2022-03-23 | 2022-07-15 | 江苏华冶液压机械有限公司 | Clamping sleeve rotary-pressing forming equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5954425A (en) * | 1982-09-20 | 1984-03-29 | Toshiba Mach Co Ltd | Method and device for rotation contour spinning |
| US5428980A (en) * | 1991-08-26 | 1995-07-04 | Iidaka; Tsuguo | Method and apparatus for producing cap for drink bottle |
| CN101108406A (en) * | 2007-08-17 | 2008-01-23 | 中国航天科技集团公司长征机械厂 | Material returning device of spin-forging machine |
| CN201088994Y (en) * | 2007-08-17 | 2008-07-23 | 中国航天科技集团公司长征机械厂 | Material-returning device of power spinning machine |
| US20110010940A1 (en) * | 2009-07-15 | 2011-01-20 | Honda Motor Co., Ltd. | Spinning method |
-
2014
- 2014-12-30 CN CN201410843884.7A patent/CN104550394B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5954425A (en) * | 1982-09-20 | 1984-03-29 | Toshiba Mach Co Ltd | Method and device for rotation contour spinning |
| US5428980A (en) * | 1991-08-26 | 1995-07-04 | Iidaka; Tsuguo | Method and apparatus for producing cap for drink bottle |
| CN101108406A (en) * | 2007-08-17 | 2008-01-23 | 中国航天科技集团公司长征机械厂 | Material returning device of spin-forging machine |
| CN201088994Y (en) * | 2007-08-17 | 2008-07-23 | 中国航天科技集团公司长征机械厂 | Material-returning device of power spinning machine |
| US20110010940A1 (en) * | 2009-07-15 | 2011-01-20 | Honda Motor Co., Ltd. | Spinning method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749544A (en) * | 2022-03-23 | 2022-07-15 | 江苏华冶液压机械有限公司 | Clamping sleeve rotary-pressing forming equipment |
| CN114749544B (en) * | 2022-03-23 | 2023-12-22 | 江苏华冶液压机械有限公司 | Cutting ferrule spinning forming equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104550394B (en) | 2016-07-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190619 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: No. 2, Xinjie street, Xicheng District, Beijing, Beijing Patentee before: General Research Institute for Nonferrous Metals |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20191230 |