CN109772939A - A kind of minor diameter superalloy annular closing cavity configuration school circle method and device - Google Patents
A kind of minor diameter superalloy annular closing cavity configuration school circle method and device Download PDFInfo
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- CN109772939A CN109772939A CN201910153186.7A CN201910153186A CN109772939A CN 109772939 A CN109772939 A CN 109772939A CN 201910153186 A CN201910153186 A CN 201910153186A CN 109772939 A CN109772939 A CN 109772939A
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Abstract
A kind of minor diameter superalloy annular closing cavity configuration school circle method and device, the method is accomplished in the following manner: the ring seal cavity configuration to school circle is covered on an interior pinch roller, it is compressed outside ring seal cavity configuration by other two external pressure wheel, passes through the school circle repeatedly rolled and successively the interior pinch roller of replacement larger diameter realizes ring seal cavity configuration；The arc length that the internal pressure wheel diameter is greater than between external pressure wheel diameter and outer pinch roller and internal pressure wheel point of contact accounts for the 1/9~1/8 of whole circumference length.This method can uniformly reduce the curvature of the biggish tubing of bent angle by a kind of partial mold school circular knitting machine structure, can the superalloy annular enclosed construction to pre-bending welding forming carry out accurate school circle, the accurate school circle processing of this closing cavity configuration can be fully achieved with this method.
Description
Technical field
The invention belongs to metal material and technology fields, close cavity configuration for high temperature alloy (such as GH4169) tubing
Structure school after (metal sealing ring skeleton) welding is at circle.
Background technique
Certain sealing structure uses the metallic packing ring of high-temperature alloy material, and main processes are as follows.Firstly, by certain
The hollow metal pipe of length is pre-formed as can butt welding state；Secondly, carrying out welding to tubing head and the tail forms closing cavity configuration；Again
It is secondary, it is to the progress weld seam trimming of this closing cavity configuration and its school is round；Thirdly, high-temperature aging processing is carried out to sealing ring to have mentioned
High resiliency；Finally, the certain thickness fluoroplastic layer of even application on metallic packing ring.
Wherein, metal tube is welded in the case where being pre-bent to non-circular state, such as Fig. 2.Therefore it needs to pre-bending state
Lower welded structure part carries out school circle processing, satisfactory metal sealing ring skeleton can be just obtained, because of minor diameter pipe pre-bending
After there are the biggish parts of curvature, and since own dimensions very little, rigidity are big, the pipe school minor diameter (3~5mm of φ) sired results
Skill is difficult.
Existing school circle method can only be gradually reduced by the curvature of school part, only to original state curvature very little (or straight line)
Part is effective.If there are the biggish parts of curvature for part, when needing to reduce curvature, this method cannot be realized.
Summary of the invention
Technology of the invention solves the problems, such as: overcome the deficiencies in the prior art, a kind of new school sired results skill is developed, for pre-
Weldment after o ing haves the characteristics that curvature is relatively large, can make by a kind of increased method of school part curvature.
The technical solution of the invention is as follows: a kind of minor diameter superalloy annular closing cavity configuration school circle method passes through
Following manner is realized:
Ring seal cavity configuration to school circle is covered on an interior pinch roller, passes through other two outside ring seal cavity configuration
A external pressure wheel compresses, and passes through the school circle repeatedly rolled and successively the interior pinch roller of replacement larger diameter realizes ring seal cavity configuration；
It is long that the arc length that the internal pressure wheel diameter is greater than between external pressure wheel diameter and outer pinch roller and internal pressure wheel point of contact accounts for whole circumference
The 1/9~1/8 of degree.
Preferably, when rolling for the first time, the outer diameter ratio of interior pinch roller wait for school circular ring shape closing chamber structural theory outer diameter it is small by 15~
20mm subtracts 3~5mm currently to close cavity configuration maximum inscribed circle diameter to school circular ring shape.
Preferably, last time replacement interior pinch roller outer diameter ratio wait for school circular ring shape closing chamber structural theory outer diameter it is small by 5~
10mm。
Preferably, when completing rolling using the interior pinch roller of three different-diameters, the outer diameter of interior pinch roller is followed successively by than to school
The circular ring shape closing chamber small 15~20mm of structural theory outer diameter, frequently to school circular ring shape closing chamber structural theory outer diameter it is small by 10~
15mm, frequently to the school small 5~10mm of circular ring shape closing chamber structural theory outer diameter.
Preferably, two external pressure wheel diameters are unanimously and relatively interior pinch roller is arranged symmetrically.
Preferably, described to school circular ring shape closing chamber structural theory external diametrical extent 60mm~120mm.
A kind of minor diameter superalloy annular closing cavity configuration school circle device, including interior pinch roller, sliding block, briquetting and two
Outer pinch roller, two pedestals；
Two pedestals are tightened together by fastener and therebetween there are gaps, and interior pinch roller, outer pinch roller pass through respectively
Respective axis is mounted on the base and is placed in the gap；The axis that the briquetting is used to sliding block being pressed in outer pinch roller is enterprising
And it realizes external pressure wheel and compresses on interior pinch roller；It is arranged on the excircle of the interior pinch roller and outer pinch roller and to school annulus Shape closed
The groove structure of chamber cross sectional shape cooperation.
Preferably, the interior pinch roller and interior wheel pressing shaft are integrally formed, and the both ends of axis are each passed through two pedestals, pacify on axis
Bearing is filled, bearing is mounted in bearing block, and bearing block and pedestal are connected.
Preferably, the interior pinch roller and interior wheel pressing shaft are integrally formed, and the both ends of axis are each passed through two pedestals, pacify on axis
Bearing is filled, bearing is mounted in removable fixed block, and the removable fixed block is adjusted simultaneously for realizing the position of interior pinch roller
Realize the fixation with pedestal.
Preferably, the removable fixed block is seperated symmetrical structure, is respectively provided with interior wheel pressing shaft in each structure
Mounting hole and bearing mounting hole, two sides of mounting hole are arranged the mounting groove adjusted for realizing interior puck position, pass through two points
Axis, bearing are fixed on the base by the symmetrical structure of body.
Preferably, the internal pressure wheel produces a series of different outer diameters.
Preferably, a series of bolt mounting holes are set on the pedestal, the bolt mounting holes are for realizing bearing block
Being connected between pedestal.
Preferably, it is used for and the coarse processing in bearing block installation position on the pedestal.
Preferably, the mounting groove of two outer wheel pressing shafts is symmetrical arranged on the pedestal, the mounting groove has certain
Length and relative symmetry is towards tilted.
Preferably, 60 ° of the tilt angle of the mounting groove.
The present invention has the beneficial effect that compared with prior art
(1) a kind of partial mold school circle device is developed, be relatively large in diameter at one (but be less than finally straight by school annulus
Diameter) pinch roller (pinch roller 3) outside, two lesser pinch rollers of diameter (pinch roller 1, pinch roller 2) are set, will be placed on by school annulus on pinch roller 3,
Pinch roller 1 and pinch roller 2 are compressed by shown position and pinch roller 3, the part between contact point A and B by by force with pinch roller 3 into
Row fitting, in this way will be consistent with pinch roller 3 by the curvature of school part, no matter original curvature is how many in this way, by such school shape
After one circle, curvature all can be consistent with pinch roller 3.By adjusting the spacing between diameter the pressure point A and B of pinch roller 3, above-mentioned mistake is repeated
Journey can achieve the purpose of final school circle.Changing conventional method can only be gradually reduced by the curvature of school part, only to initial shape
The part of state curvature very little (or straight line) is effectively insufficient.
(2) the invention belongs to the field of metal processing, a method of non-circular closing cavity configuration is subjected to accurate school circle.It should
Method effectively prevents the deficiency of conventional method by reasonable school circular knitting machine structure and specific school sired results skill, can be complete with this method
This accurate school circle of structure is realized entirely, and circularity is up to 0.3mm.
Detailed description of the invention
Fig. 1 is partial mold school of the present invention circle device；
Fig. 2 is the high temperature alloy metal tube and ring Shape closed structure after welding；
Fig. 3 is the removable fixed block schematic diagram of the present invention.
Specific embodiment
With reference to the accompanying drawing and example elaborates to the present invention.
A kind of minor diameter superalloy annular closing cavity configuration school circle method, method is by high temperature alloy (such as GH4169)
Metal tube closes cavity configuration (non-circular) Fig. 2, covers on an interior pinch roller, by outside other two outside ring seal cavity configuration
Pinch roller compresses, and passes through the school circle repeatedly rolled and successively the interior pinch roller of replacement larger diameter realizes ring seal cavity configuration；It is described
Internal pressure wheel diameter be greater than arc length between external pressure wheel diameter and outer pinch roller and internal pressure wheel point of contact and account for whole circumference length
1/9~1/8.
Fig. 1 gives a kind of school circle device, including interior pinch roller (pinch roller 3 in figure), sliding block, briquetting and two outer pinch rollers
(pinch roller 1, pinch roller 2 in figure), two pedestals；
Two pedestals are tightened together by fastener and therebetween there are gaps, and interior pinch roller, outer pinch roller pass through respectively
Respective axis is mounted on the base and is placed in the gap；The axis that the briquetting is used to sliding block being pressed in outer pinch roller is enterprising
And it realizes external pressure wheel and compresses on interior pinch roller；It is arranged on the excircle of the interior pinch roller and outer pinch roller and to school annulus Shape closed
The groove structure of chamber cross sectional shape cooperation.
Interior pinch roller and interior wheel pressing shaft are integrally formed, and the both ends of axis are each passed through two pedestals, and bearing, bearing peace are installed on axis
In removable fixed block, the removable fixed block is adjusted and realized for realizing the position of interior pinch roller to be consolidated with pedestal
It is fixed.
As shown in figure 3, removable fixed block is seperated symmetrical structure, the installation of interior wheel pressing shaft is respectively provided in each structure
The mounting groove that adjusts for realizing interior puck position is arranged in hole and bearing mounting hole, two sides of mounting hole, seperated by two
Axis, bearing are fixed on the base by symmetrical structure.Internal pressure wheel produces a series of different outer diameters.
During the circle of practical school, first according to currently closing cavity configuration to school circular ring shape, from some column in pinch roller product
The outer diameter ratio for choosing pinch roller in meeting waits for the small 15~20mm of school circular ring shape closing chamber structural theory outer diameter or for currently to school circle
The interior pinch roller that ring seal cavity configuration maximum inscribed circle diameter subtracts 3~5mm condition is installed according to structure described in Fig. 1,
Ring seal cavity configuration to school circle is covered on pinch roller 3, is compressed pinch roller 1, pinch roller 2 on it by briquetting, sliding block；Uniformly
After rotating several circles of pinch roller 3, the slightly larger pinch roller 3 of replacement diameter repeats above procedure, can carry out accurate school to closing cavity configuration
Circle, circularity is up to 0.3mm.
For rolling three times, the 3 outer diameter ratio of pinch roller of use waits for the school circle small 10~15mm of structural theory outer diameter, will be to school circle
Structure covers on pinch roller 3, and pinch roller 1, pinch roller 2 will be uniformly pressed on pinch roller 3 by briquetting, sliding block to school circle component, slowly turns
Several circles of dynamic pressure wheel 3 carry out second and roll；
The 3 outer diameter ratio of pinch roller of use waits for the school circle small 5~10mm of part theory outer diameter, will cover on pinch roller 3 to school circle structure,
Pinch roller 1, pinch roller 2 will be uniformly pressed on pinch roller 3 by briquetting, sliding block to school circle component, slowly rotate several circles of pinch roller 3, into
Row third time rolls；
Using the pinch roller 3 of ascending three kinds of different-diameters, after rolling three times, measurement, can to school circle part circularity
To reach 0.3mm.
For the ease of the replacement of pinch roller 3, bolt assembly can be connected by unclamping, take out pinch roller 3, change suitable outer diameter
Two pedestals are linked into an integrated entity again by connection bolt assembly after pinch roller 3.
Embodiment 1
(1) prepare to school circle part: GH4169 metal tube closes cavity configuration (non-circular), theoretical outer diameter 83mm；
(2) use outer diameter for the pinch roller 3 of 68mm；
(3) it will be covered outside pinch roller 3 to school circle part, by Fig. 1, pinch roller 1, pinch roller 2 are passed through briquetting, sliding block will be to school circle
Component is uniformly pressed on pinch roller 3, slowly rotates several circles of pinch roller 3；
(4) use outer diameter for the pinch roller 3 of 73mm；
(5) it will be covered outside pressure 3 to school circle part, by Fig. 1, pinch roller 1, pinch roller 2 are passed through briquetting, sliding block will be to school circle
Component is uniformly pressed on pinch roller 3, slowly rotates several circles of pinch roller 3；
(6) use outer diameter for the pinch roller 3 of 78mm；
(7) it will be covered outside pressure 3 to school circle part, by Fig. 1, pinch roller 1, pinch roller 2 are passed through briquetting, sliding block will be to school circle
Component is uniformly pressed on pinch roller 3, slowly rotates several circles of pinch roller 3；
(8) school circle is completed, and is measured circularity, is reached 0.3mm, is terminated.
Embodiment 2
(1) prepare to school circle part: GH4169 metal tube closes cavity configuration (non-circular), theoretical outer diameter 69mm；
(2) use outer diameter for the pinch roller 3 of 54mm；
(3) it will be covered outside pressure 3 to school circle part, by Fig. 1, pinch roller 1, pinch roller 2 are passed through briquetting, sliding block will be to school circle
Component is uniformly pressed on pinch roller 3, slowly rotates several circles of pinch roller 3；
(4) use outer diameter for the pinch roller 3 of 59mm；
(5) it will be covered outside pressure 3 to school circle part, by Fig. 1, pinch roller 1, pinch roller 2 are passed through briquetting, sliding block will be to school circle
Component is uniformly pressed on pinch roller 3, slowly rotates several circles of pinch roller 3；
(6) use outer diameter for the pinch roller 3 of 64mm；
(7) it will be covered outside pressure 3 to school circle part, by Fig. 1, pinch roller 1, pinch roller 2 are passed through briquetting, sliding block will be to school circle
Component is uniformly pressed on pinch roller 3, slowly rotates several circles of pinch roller 3；
(8) school circle is completed, and is measured circularity, is reached 0.3mm, is terminated.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (15)
1. a kind of minor diameter superalloy annular closing cavity configuration school circle method, it is characterised in that be accomplished in the following manner:
Ring seal cavity configuration to school circle is covered on an interior pinch roller, by outside other two outside ring seal cavity configuration
Pinch roller compresses, and passes through the school circle repeatedly rolled and successively the interior pinch roller of replacement larger diameter realizes ring seal cavity configuration；It is described
Internal pressure wheel diameter be greater than arc length between external pressure wheel diameter and outer pinch roller and internal pressure wheel point of contact and account for whole circumference length
1/9~1/8.
2. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 1 circle method, it is characterised in that:
When rolling for the first time, the outer diameter ratio of interior pinch roller waits for the small 15~20mm of school circular ring shape closing chamber structural theory outer diameter or for currently to school
Circular ring shape closing cavity configuration maximum inscribed circle diameter subtracts 3~5mm.
3. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 1 circle method, it is characterised in that:
The outer diameter ratio of the interior pinch roller of last time replacement waits for the school small 5~10mm of circular ring shape closing chamber structural theory outer diameter.
4. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 1 circle method, it is characterised in that:
When completing rolling using the interior pinch roller of three different-diameters, the outer diameter of interior pinch roller is followed successively by than closing cavity configuration to school circular ring shape
The theoretical small 15~20mm of outer diameter, frequently to the school circular ring shape closing chamber small 10~15mm of structural theory outer diameter, frequently to school circular ring shape
Small 5~the 10mm of closing chamber structural theory outer diameter.
5. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 1 circle method, it is characterised in that:
Two external pressure wheel diameters are unanimously and relatively interior pinch roller is arranged symmetrically.
6. a kind of minor diameter superalloy annular closing cavity configuration school circle method described in one of -5 according to claim 1, special
Sign is: described to school circular ring shape closing chamber structural theory external diametrical extent 60mm~120mm.
7. a kind of minor diameter superalloy annular closing cavity configuration school circle device, it is characterised in that: including interior pinch roller, sliding block, pressure
Block and two outer pinch rollers, two pedestals；
Two pedestals are tightened together by fastener and therebetween there are gaps, and interior pinch roller, outer pinch roller pass through respectively respectively
Axis be mounted on the base and be placed in the gap；The briquetting is used to for sliding block being pressed on the axis of outer pinch roller real in turn
Existing external pressure wheel compresses on interior pinch roller；Setting is cut with to school circular ring shape closing chamber on the excircle of the interior pinch roller and outer pinch roller
The groove structure of face shape cooperation.
8. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 7 circle device, it is characterised in that:
The interior pinch roller and interior wheel pressing shaft are integrally formed, and the both ends of axis are each passed through two pedestals, and bearing, bearing installation are installed on axis
In bearing block, bearing block and pedestal are connected.
9. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 7 circle device, it is characterised in that:
The interior pinch roller and interior wheel pressing shaft are integrally formed, and the both ends of axis are each passed through two pedestals, and bearing, bearing installation are installed on axis
In the removable fixed block, the removable fixed block is adjusted and realized for realizing the position of interior pinch roller to be consolidated with pedestal
It is fixed.
10. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 9 circle device, feature exist
In: the removable fixed block is seperated symmetrical structure, and the mounting hole and axis of interior wheel pressing shaft are respectively provided in each structure
Mounting hole is held, two sides of mounting hole is arranged the mounting groove adjusted for realizing interior puck position, passes through two seperated symmetrical structures
Axis, bearing are fixed on the base.
11. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 7 or 8 circle device, feature
Be: the internal pressure wheel produces a series of different outer diameters.
12. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 11 circle device, feature exist
In: a series of bolt mounting holes are set on the pedestal, and the bolt mounting holes are for realizing between bearing block and pedestal
It is connected.
13. a kind of minor diameter superalloy annular closing cavity configuration school circle device, feature according to claim 8 or 12
It is: is used for and the coarse processing in bearing block installation position on the pedestal.
14. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 7 circle device, feature exist
In: it is symmetrical arranged the mounting groove of two outer wheel pressing shafts on the pedestal, the mounting groove is with certain length and relatively right
Claim towards tilted.
15. a kind of minor diameter superalloy annular closing cavity configuration school according to claim 14 circle device, feature exist
In: 60 ° of the tilt angle of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153186.7A CN109772939B (en) | 2019-02-28 | 2019-02-28 | Method and device for rounding small-diameter high-temperature alloy annular closed cavity structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153186.7A CN109772939B (en) | 2019-02-28 | 2019-02-28 | Method and device for rounding small-diameter high-temperature alloy annular closed cavity structure |
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| CN109772939A true CN109772939A (en) | 2019-05-21 |
| CN109772939B CN109772939B (en) | 2021-03-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7022932B2 (en) * | 2000-12-26 | 2006-04-04 | Kayaba Industry Co., Ltd. | Outer shell unit and method of manufacturing the unit |
| CN206662003U (en) * | 2017-03-02 | 2017-11-24 | 开封空分集团有限公司 | A kind of lining ring furling plate round machine |
| CN207533751U (en) * | 2017-07-25 | 2018-06-26 | 镇江市恒源汽车零部件有限公司 | A kind of spinning apparatus of pipe fitting cone face process |
| CN208341415U (en) * | 2018-06-25 | 2019-01-08 | 衡阳合兴钢圈有限公司 | A kind of Automobile steel ring rounding machine |
-
2019
- 2019-02-28 CN CN201910153186.7A patent/CN109772939B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7022932B2 (en) * | 2000-12-26 | 2006-04-04 | Kayaba Industry Co., Ltd. | Outer shell unit and method of manufacturing the unit |
| CN206662003U (en) * | 2017-03-02 | 2017-11-24 | 开封空分集团有限公司 | A kind of lining ring furling plate round machine |
| CN207533751U (en) * | 2017-07-25 | 2018-06-26 | 镇江市恒源汽车零部件有限公司 | A kind of spinning apparatus of pipe fitting cone face process |
| CN208341415U (en) * | 2018-06-25 | 2019-01-08 | 衡阳合兴钢圈有限公司 | A kind of Automobile steel ring rounding machine |
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| CN109772939B (en) | 2021-03-26 |
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