CN103990661B - The synchronous rounding device of a kind of cylindrical member - Google Patents
The synchronous rounding device of a kind of cylindrical member Download PDFInfo
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- CN103990661B CN103990661B CN201410241025.0A CN201410241025A CN103990661B CN 103990661 B CN103990661 B CN 103990661B CN 201410241025 A CN201410241025 A CN 201410241025A CN 103990661 B CN103990661 B CN 103990661B
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Abstract
The present invention relates to the synchronous rounding device of a kind of cylindrical member, belong to workpiece shaping field.The synchronous rounding device of a kind of cylindrical member of the present invention, comprises support tube, left end cap, cylinder body, piston, expansion body, support bar, supporting member, radial back-moving spring, right end cap, expanding bar, guide post, axial back-moving spring; Inflated in cylinder body by air compression plant, piston driving expanding bar is moved right together, expanding bar by with mate the conical surface between expansion body component endoporus, promote the expansion each bulk-breaking of body synchronous radial outward dilations, the inwall that the arc surface of each supporting member that expansion body each bulk-breaking outer end connects treats shaping cylindrical member carries out synchronous shaping.Rounding device of the present invention achieves the synchronous positive round shaping of thin-wall tube-shaped element, and shaping efficiency is high, and shaping quality is good, has important application value.
Description
Technical field
The present invention relates to the synchronous rounding device of a kind of cylindrical member, belong to workpiece shaping field.
Background technology
Existing thin-wall tube-shaped element oral area after machining can deform, and causes the diameter of cylindrical member to obtain different values when circumference different angles are measured, and cannot align, can not weld when the cylindrical member oral area docking that two diameters are identical is welded.In order to solve this problem, traditional handicraft adopts manual method that the way that distortion position is impacted by hammer is carried out full circle usually, and this way shaping efficiency is low, and shaping is larger by the impact of human factor, shaping quality is difficult to meet design requirement, and cannot adapt to mass production.
Summary of the invention
The object of the invention is in order to solve traditional handicraft circumference shaping is carried out to cylindrical member time, there is the problems such as shaping efficiency is low, shaping quality is poor, and provide a kind of cylindrical member synchronous rounding device.
The object of the invention is to be achieved through the following technical solutions:
The synchronous rounding device of a kind of cylindrical member of the present invention, comprises support tube, left end cap, cylinder body, piston, expansion body, support bar, supporting member, radial back-moving spring, right end cap, expanding bar, guide post, axial back-moving spring;
The circular cover of passage is had centered by left end cap;
Cylinder body be one end open, the other end is with the end columnar structured, cylinder body has center, one end, the end to have piston rod passing hole;
The piston body external diameter of piston crown and the inwall internal diameter of cylinder body match, and the aperture of the piston rod external diameter of piston tail and the piston rod passing hole of cylinder body bottom surface matches, and the rear end outer wall of piston tail piston rod is processed with external screw thread;
The profile of expanding bar is the cone structure of restraining from left to right, and the left end end face center of expanding bar is inwardly processed with the screwed hole matched with the thread segment of piston tail piston rod rear end, and the right-hand member end face center of expanding bar is inwardly processed with pilot hole;
Expansion body is the bulk-breaking structure of tubular component circumferentially decile cutting, and the inwall of expansion body component is processed as the conical surface matched with expanding bar profile;
The sidewall of support tube has one group and is positioned at same circumferential support bar passing hole, and the distribution mode of this support bar passing hole matches with the decile cutting mode of each bulk-breaking of expansion body;
Cylinder body is fixed on the right side of left end cap, and the open at one end of cylinder body is relative with the passage of left end cap, the piston body of piston crown inserts the inner chamber of cylinder body, the piston rod of piston tail passes from the piston rod passing hole of cylinder body bottom surface, and the thread segment of piston tail piston rod rear end and the left end screw thread of expanding bar are fixed;
The sidewall of expansion body each bulk-breaking respectively radially fixes an isometric support bar, support tube is put into after expansion body composition component, and the support bar outer end making expansion body fix is through the support bar passing hole of support tube sidewall, each support bar sidewall in support tube is all socketed with radial back-moving spring, makes the expansion body under free state form component under the effect of radial back-moving spring; The outer end end face inside processing column shape hole of each support bar, the outer end of each support bar connects respectively by cylindrical hole that a lower end is cylinder, upper end is the supporting member of arc surface, the arc surface of supporting member upper end with treat that the inwall circular arc of shaping cylindrical member matches;
The left side of right end cap is vertically fixed with the guide post that external diameter and expanding bar right-hand member pilot hole internal diameter match;
Left end and the left end cap of support tube are fixed, and the expanding bar that support tube right-hand member is fixed is inserted in the endoporus of expansion body component; Right-hand member and the right end cap of support tube are fixed, and the guide post making right end cap left end fix inserts in the pilot hole of expanding bar right-hand member, be socketed with axial back-moving spring outside guide post between expanding bar right side and right end cap, make the expanding bar under free state under the effect of axial back-moving spring, promote piston and press closer left end cap; The left end at left end cap passage place connects air compression plant.
The course of work
During shaping, rounding device is put into the inner chamber treating shaping cylindrical member, inflated by air compression plant from the passage of left end cap in cylinder body, piston driving expanding bar is moved right together, the front end ring surface compressional axis of expanding bar is to back-moving spring; Simultaneously expanding bar by with mate the conical surface between expansion body component endoporus, promote the synchronous radial outward dilations of the expansion each bulk-breaking of body, the inwall that the arc surface of each supporting member that expansion body each bulk-breaking outer end connects treats shaping cylindrical member carries out synchronous shaping, and each bulk-breaking of expansion body compresses radial back-moving spring; Because supporting member lower end is connected by cylindrical hole with support bar, so in support process outside, the arc surface of supporting member can with the inwall automatic capturing treating shaping cylindrical member; After completing same circumferential inner wall shaping, air compression plant stops inflation, and expanding bar promotes piston and presses closer left end cap under the effect of axial back-moving spring, expands body simultaneously and form component under the effect of radial back-moving spring, each supporting member is shunk; Rounding device is moved to next circumferential position, again inflates shaping.
Beneficial effect
Rounding device of the present invention achieves the synchronous positive round shaping of thin-wall tube-shaped element, and shaping efficiency is high, and shaping quality is good, has important application value.
Accompanying drawing explanation
Fig. 1 is the structural representation of rounding device of the present invention;
Fig. 2 is the left view of Fig. 1;
Wherein: 1-support tube; 2-left end cap; 3-cylinder body; 4-piston; 5-expands body; 6-support bar; 7-supporting member; The radial back-moving spring of 8-; 9-right end cap; 10-expanding bar; 11-guide post; The axial back-moving spring of 12-.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred example of the present invention is further described:
Embodiment
The synchronous rounding device of a kind of cylindrical member of the present invention, as shown in Figure 1, support tube 1, left end cap 2, cylinder body 3, piston 4, expansion body 5, support bar 6, supporting member 7, radial back-moving spring 8, right end cap 9, slip expanding bar 10, guide post 11, axial back-moving spring 12 is comprised;
The circular cover of passage is had centered by left end cap 2;
Cylinder body 3 be one end open, the other end is with the end columnar structured, cylinder body 3 has center, one end, the end to have piston rod passing hole;
The piston body external diameter of piston 4 head and the inwall internal diameter of cylinder body 3 match, and the aperture of the piston rod external diameter of piston 4 afterbody and the piston rod passing hole of cylinder body 3 bottom surface matches, and the rear end outer wall of piston 4 afterbody piston rod is processed with external screw thread;
The profile of expanding bar 10 is the cone structure of restraining from left to right, and the left end end face center of expanding bar 10 is inwardly processed with the screwed hole matched with the thread segment of piston 4 afterbody piston rod rear end, and the right-hand member end face center of expanding bar 10 is inwardly processed with pilot hole;
Expansion body 5 is the bulk-breaking structure of tubular component decile cutting vertically, and the inwall of expansion body 5 component is processed as the conical surface matched with expanding bar 10 profile;
The sidewall of support tube 1 has the support bar passing hole that a group is positioned at same circumference, and the distribution mode of this support bar passing hole matches with the decile cutting mode of each bulk-breaking of expansion body 5;
Cylinder body 3 is fixed on the right side of left end cap 2, and the open at one end of cylinder body 3 is relative with the passage of left end cap 2, the piston body of piston 4 head inserts the inner chamber of cylinder body 3, the piston rod of piston 4 afterbody passes from the piston rod passing hole of cylinder body 3 bottom surface, and the thread segment of piston 4 afterbody piston rod rear end and the left end screw thread of expanding bar 10 are fixed;
The sidewall of expansion body 5 each bulk-breaking respectively radially fixes an isometric support bar 6, support tube 1 is put into after expansion body 5 forms component, and support bar 6 outer end making expansion body 5 fixing is through the support bar passing hole of support tube 1 sidewall, each support bar 6 sidewall in support tube 1 is all socketed with radial back-moving spring 8, makes the expansion body 5 under free state form component under the effect of radial back-moving spring 8; The outer end end face inside processing column shape hole of each support bar 6, the outer end of each support bar 6 connects respectively by cylindrical hole the supporting member 7 that a lower end is cylinder, upper end is arc surface, the arc surface of supporting member 7 upper end with treat that the inwall circular arc of shaping cylindrical member matches;
The left side of right end cap 9 is vertically fixed with the guide post 11 that external diameter and expanding bar 10 right-hand member pilot hole internal diameter match;
Left end and the left end cap 2 of support tube 1 are fixed, and the expanding bar 10 that support tube 1 right-hand member is fixed is inserted in the endoporus of expansion body 5 component; Right-hand member and the right end cap 9 of support tube 1 are fixed, and the guide post 11 making right end cap 9 left end fix inserts in the pilot hole of expanding bar 10 right-hand member, be socketed with axial back-moving spring 12 outside guide post 11 between expanding bar 10 right side and right end cap 9, make the expanding bar 10 under free state under the effect of axial back-moving spring 12, promote piston 4 and press closer left end cap 2; The left end at left end cap 2 passage place connects air compression plant.
The course of work
During shaping, rounding device is put into the inner chamber treating shaping cylindrical member, inflated in cylinder body 3 from the passage of left end cap 2 by air compression plant, make piston 4 drive expanding bar 10 to move right together, the front end ring surface compressional axis of expanding bar 10 is to back-moving spring 12; Simultaneously expanding bar 10 by with mate the conical surface between expansion body 5 component endoporus, promote the synchronous radial outward dilations of the expansion each bulk-breaking of body 5, the inwall that the arc surface of each supporting member 7 that expansion body 5 each bulk-breaking outer end connects treats shaping cylindrical member carries out synchronous shaping, and each bulk-breaking of expansion body 5 compresses radial back-moving spring 8; Because supporting member 7 lower end is connected by cylindrical hole with support bar 6, so in support process outside, the arc surface of supporting member 7 can with the inwall automatic capturing treating shaping cylindrical member; After same circumferential inner wall shaping is completed, air compression plant stops inflation, expanding bar 10 promotes piston 4 and presses closer left end cap 2 under the effect of axial back-moving spring 12, expands body 5 simultaneously and form component under the effect of radial back-moving spring 8, each supporting member 7 is shunk; Rounding device is moved to next circumferential position, again inflates shaping.
Claims (1)
1. the synchronous rounding device of cylindrical member, is characterized in that: comprise support tube, left end cap, cylinder body, piston, expansion body, support bar, supporting member, radial back-moving spring, right end cap, expanding bar, guide post, axial back-moving spring;
The circular cover of passage is had centered by left end cap;
Cylinder body be one end open, the other end is with the end columnar structured, cylinder body has center, one end, the end to have piston rod passing hole;
The piston body external diameter of piston crown and the inwall internal diameter of cylinder body match, and the aperture of the piston rod external diameter of piston tail and the piston rod passing hole of cylinder body bottom surface matches, and the rear end outer wall of piston tail piston rod is processed with external screw thread;
The profile of expanding bar is the cone structure of restraining from left to right, and the left end end face center of expanding bar is inwardly processed with the screwed hole matched with the thread segment of piston tail piston rod rear end, and the right-hand member end face center of expanding bar is inwardly processed with pilot hole;
Expansion body is the bulk-breaking structure of tubular component circumferentially decile cutting, and the inwall of expansion body component is processed as the conical surface matched with expanding bar profile;
The sidewall of support tube has the support bar passing hole that a group is positioned at same circumference, and the distribution mode of this support bar passing hole matches with the decile cutting mode of each bulk-breaking of expansion body;
Cylinder body is fixed on the right side of left end cap, and the open at one end of cylinder body is relative with the passage of left end cap, the piston body of piston crown inserts the inner chamber of cylinder body, the piston rod of piston tail passes from the piston rod passing hole of cylinder body bottom surface, and the thread segment of piston tail piston rod rear end and the left end screw thread of expanding bar are fixed;
The sidewall of expansion body each bulk-breaking respectively radially fixes an isometric support bar, support tube is put into after expansion body composition component, and the support bar outer end making expansion body fix is through the support bar passing hole of support tube sidewall, each support bar sidewall in support tube is all socketed with radial back-moving spring, makes the expansion body under free state form component under the effect of radial back-moving spring; The outer end end face inside processing column shape hole of each support bar, the outer end of each support bar connects respectively by cylindrical hole that a lower end is cylinder, upper end is the supporting member of arc surface, the arc surface of supporting member upper end with treat that the inwall circular arc of shaping cylindrical member matches;
The left side of right end cap is vertically fixed with the guide post that external diameter and expanding bar right-hand member pilot hole internal diameter match;
Left end and the left end cap of support tube are fixed, and the expanding bar that support tube right-hand member is fixed is inserted in the endoporus of expansion body component; Right-hand member and the right end cap of support tube are fixed, and the guide post making right end cap left end fix inserts in the pilot hole of expanding bar right-hand member, be socketed with axial back-moving spring outside guide post between expanding bar right side and right end cap, make the expanding bar under free state under the effect of axial back-moving spring, promote piston and press closer left end cap; The left end at left end cap passage place connects air compression plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241025.0A CN103990661B (en) | 2014-05-30 | 2014-05-30 | The synchronous rounding device of a kind of cylindrical member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241025.0A CN103990661B (en) | 2014-05-30 | 2014-05-30 | The synchronous rounding device of a kind of cylindrical member |
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| CN103990661A CN103990661A (en) | 2014-08-20 |
| CN103990661B true CN103990661B (en) | 2016-01-20 |
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| CN201410241025.0A Active CN103990661B (en) | 2014-05-30 | 2014-05-30 | The synchronous rounding device of a kind of cylindrical member |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646454B (en) * | 2015-02-02 | 2017-10-13 | 雒晓卫 | A kind of accurate shaping method for helix tube type heat-exchanging component outer barrel |
| CN107597892B (en) * | 2017-10-19 | 2023-12-29 | 浙江嘉达机械制造有限公司 | Shaping disc assembly of pipe fitting port shaping machine |
| CN110102602B (en) * | 2019-04-04 | 2020-07-14 | 新兴能源装备股份有限公司 | Barrel rounding device |
| CN112705588A (en) * | 2019-10-24 | 2021-04-27 | 富鼎电子科技(嘉善)有限公司 | Shaping device |
| CN112371773A (en) * | 2020-09-29 | 2021-02-19 | 中冶(上海)钢结构科技有限公司 | Thin pipe inner wall rounding device and using method |
| CN112404248B (en) * | 2020-10-20 | 2022-03-11 | 淮南市泰能电力工程有限公司 | Pipeline expansion tool for steam turbine maintenance and maintenance method |
| CN116532558A (en) * | 2023-07-06 | 2023-08-04 | 太原科技大学 | Horizontal expansion die for end ring of water pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3526401A1 (en) * | 1985-07-24 | 1987-02-05 | Ferdinand Willms | Method and apparatus for removing cross-sectional restrictions of a hollow cylindrical body, preferably a pipe ready to be laid |
| DE10354554B4 (en) * | 2003-11-21 | 2005-09-15 | Sms Meer Gmbh | Device for straightening a pipe |
| JP5785746B2 (en) * | 2011-03-15 | 2015-09-30 | 新日鉄住金エンジニアリング株式会社 | Internal clamping device |
| CN202824271U (en) * | 2012-07-27 | 2013-03-27 | 新都区斑竹园镇焕越金属配件厂 | Inner reshaping and fitting device of conduit and conduit bend |
| CN203044589U (en) * | 2013-01-15 | 2013-07-10 | 哈尔滨东安发动机（集团）有限公司 | Circle binding tool of thin-walled part |
| CN203862742U (en) * | 2014-05-30 | 2014-10-08 | 晋西工业集团有限责任公司 | Synchronous rounding device for cylindrical part |
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