CN103990661A - Synchronous circle shaping device for cylindrical work-piece - Google Patents
Synchronous circle shaping device for cylindrical work-piece Download PDFInfo
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- CN103990661A CN103990661A CN201410241025.0A CN201410241025A CN103990661A CN 103990661 A CN103990661 A CN 103990661A CN 201410241025 A CN201410241025 A CN 201410241025A CN 103990661 A CN103990661 A CN 103990661A
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- end cap
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- hole
- bar
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Abstract
The invention relates to a synchronous circle shaping device for a cylindrical work-piece and belongs to the field of work-piece shaping. The synchronous circle shaping device for the cylindrical work-piece comprises a supporting cylinder, a left end cover, an air cylinder body, a piston, an expansion body, a supporting rod, supporting heads, a radial reset spring, a right end cover, an expansion rod, a guide rod and an axial reset spring. An air compressing device is used for inflating the air cylinder body so that the piston can drive the expansion rod to move right together. The expansion rod pushes all separated parts of the expansion body to synchronously expand outwards in the radial direction through matched conical surfaces among inner holes of combined parts of the expansion body. The arc surfaces of all the supporting heads connected to the outer ends of all the separated parts of the expansion body are used for synchronously shaping the inner wall of the cylindrical work-piece to be shaped. According to the circle shaping device, synchronous perfect circle shaping is carried out on the thin-wall cylindrical work-piece, the shaping efficiency is high, the shaping quality is good, and the synchronous circle shaping device has high application and popularization 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 when circumference different angles are measured, to obtain different values, when two identical cylindrical member oral area docking of diameter are welded, cannot align, and can not weld.In order to address this problem, traditional handicraft adopts manual method impacts deformation place way by hammer to carry out full circle conventionally, and this way shaping efficiency is low, and shaping is subject to the impact of human factor larger, 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 cylindrical member to be carried out to circumference shaping, to have 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, radially back-moving spring, right end cap, expanding bar, guide post, axial back-moving spring;
Centered by left end cap, have the circular cover of passage;
Cylinder body be an end opening, the other end has the columnar structured of the end, cylinder body has center, one end, the end to have piston rod to pass through hole;
The piston body external diameter of piston crown and the inwall internal diameter of cylinder body match, and the piston rod external diameter of piston tail and the piston rod of cylinder body bottom surface match by the aperture in hole, 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 convergence from left to right, and the left end end face center of expanding bar is inwardly processed with the screwed hole that the thread segment with piston tail piston rod rear end matches, and the right-hand member end face center of expanding bar is inwardly processed with pilot hole;
Expansion body is the bulk-breaking structure that the decile cutting vertically of tubular component forms, and the inwall of expansion body component is processed as the conical surface matching with expanding bar profile;
The sidewall of support tube has one group and is positioned at same circumference support bar by hole, and this support bar matches with the decile cutting mode of each bulk-breaking of expansion body by the distribution mode in hole;
Cylinder body is fixed on the right side of left end cap, and opening 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 by hole from the piston rod 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;
Each radially outwards fixes an isometric support bar sidewall of each bulk-breaking of expansion body, after forming component, expansion body puts into support tube, and make to expand the fixing support bar outer end of body and pass through hole through the support bar of support tube sidewall, each support bar sidewall in support tube is all socketed with radially back-moving spring, makes expansion body under free state form component under the effect of back-moving spring radially; The inside processing column shape of the outer end end face hole of each support bar, it is the supporting member that cylinder, upper end are arc surface that the outer end of each support bar connects a lower end by cylindrical hole respectively, 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 fixing expanding bar of support tube right-hand member is inserted in the endoporus of expansion body component; Right-hand member and the right end cap of support tube are fixed, and the fixing guide post of right end cap left end is inserted in the pilot hole of expanding bar right-hand member, guide post between expanding bar right side and right end cap is socketed with axial back-moving spring outward, makes expanding bar under free state promote piston under the effect of axial back-moving spring and presses 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 for the treatment of shaping cylindrical member, by air compression plant, from the passage of left end cap, in cylinder body, inflated, piston driving expanding bar is moved right together, the front end ring surface compressional axis of expanding bar is to back-moving spring; Expanding bar is simultaneously by the conical surface that mates with expanding between body component endoporus, promote the synchronously radially outward expansion of each bulk-breaking of expansion body, the inwall that the arc surface of each supporting member that each bulk-breaking outer end of expansion body connects is treated shaping cylindrical member carries out synchronous shaping, and each bulk-breaking of expansion body compresses radially back-moving spring; Because supporting member lower end is connected by cylindrical hole with support bar, thus in support process outside, the arc surface of supporting member can with the inwall automatic capturing for the treatment of shaping cylindrical member; After same circumferential inner wall shaping is completed, 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 back-moving spring radially, and each supporting member is shunk; Rounding device is moved to next circumferential position, again inflate shaping.
Beneficial effect
Rounding device of the present invention has been realized the synchronous positive rounding shape 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; 8-is back-moving spring radially; 9-right end cap; 10-expanding bar; 11-guide post; The axial back-moving spring of 12-.
The specific embodiment
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, comprise support tube 1, left end cap 2, cylinder body 3, piston 4, expansion body 5, support bar 6, supporting member 7, radially back-moving spring 8, right end cap 9, slip expanding bar 10, guide post 11, axial back-moving spring 12;
Centered by left end cap 2, have the circular cover of passage;
Cylinder body 3 be an end opening, the other end has the columnar structured of the end, cylinder body 3 has center, one end, the end to have piston rod to pass through hole;
The piston body external diameter of piston 4 heads and the inwall internal diameter of cylinder body 3 match, and the piston rod of the piston rod external diameter of piston 4 afterbodys and cylinder body 3 bottom surfaces matches by the aperture in hole, and the rear end outer wall of piston 4 afterbody piston rods is processed with external screw thread;
The profile of expanding bar 10 is the cone structure of convergence from left to right, and the left end end face center of expanding bar 10 is inwardly processed with the screwed hole that the thread segment with piston 4 afterbody piston rod rear ends matches, and the right-hand member end face center of expanding bar 10 is inwardly processed with pilot hole;
The bulk-breaking structure that expansion body 5 forms for the decile cutting vertically of tubular component, the inwall of expansion body 5 components is processed as the conical surface matching with expanding bar 10 profiles;
The sidewall of support tube 1 has one group and is positioned at same circumference support bar by hole, and this support bar matches with the decile cutting mode of each bulk-breaking of expansion body 5 by the distribution mode in hole;
Cylinder body 3 is fixed on the right side of left end cap 2, and opening one end of cylinder body 3 is relative with the passage of left end cap 2, the piston body of piston 4 heads inserts the inner chamber of cylinder body 3, the piston rod of piston 4 afterbodys passes by hole from the piston rod of cylinder body 3 bottom surfaces, and piston 4 thread segments of afterbody piston rod rear end and the left end screw thread of expanding bar 10 are fixed;
Each radially outwards fixes an isometric support bar 6 sidewall of expansion body 5 each bulk-breakings, after forming component, expansion body 5 puts into support tube 1, and make to expand the fixing support bar of body 56 outer ends and pass through hole through the support bar of support tube 1 sidewall, each support bar 6 sidewall in support tube 1 are all socketed with radially back-moving spring 8, make expansion body 5 under free state form component under the effect of back-moving spring 8 radially; The inside processing column shape of the outer end end face hole of each support bar 6, it is the supporting member 7 that cylinder, upper end are arc surface that the outer end of each support bar 6 connects a lower end by cylindrical hole respectively, the arc surface of supporting member 7 upper ends 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 diameters match;
The left end of support tube 1 and left end cap 2 are fixing, and the fixing expanding bar of support tube 1 right-hand member 10 is inserted in the endoporus of expansion body 5 components; The right-hand member of support tube 1 and right end cap 9 are fixing, and the fixing guide post of right end cap 9 left ends 11 is inserted in the pilot hole of expanding bar 10 right-hand members, outside guide post 11 between expanding bar 10 right sides and right end cap 9, be socketed with axial back-moving spring 12, make expanding bar 10 under free state promote piston 4 under the effect of axial back-moving spring 12 and press closer left end cap 2; The left end at left end cap 2 passage places connects air compression plant.
The course of work
During shaping, rounding device is put into the inner chamber for the treatment of shaping cylindrical member, by air compression plant, from the passage of left end cap 2 to the interior inflation of cylinder body 3, 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; Expanding bar 10 is simultaneously by the conical surface that mates with expanding between body 5 component endoporus, promote the synchronously radially outward expansion of expansion body 5 each bulk-breakings, the inwall that the arc surface of each supporting member 7 that expansion body 5 each bulk-breaking outer ends connect is treated shaping cylindrical member carries out synchronous shaping, and expansion body 5 each bulk-breakings compress radially back-moving spring 8; Because supporting member 7 lower ends are connected by cylindrical hole with support bar 6, thus in support process outside, the arc surface of supporting member 7 can with the inwall automatic capturing for the treatment of 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 back-moving spring 8 radially, and each supporting member 7 is shunk; Rounding device is moved to next circumferential position, again inflate 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, radially back-moving spring, right end cap, expanding bar, guide post, axial back-moving spring;
Centered by left end cap, have the circular cover of passage;
Cylinder body be an end opening, the other end has the columnar structured of the end, cylinder body has center, one end, the end to have piston rod to pass through hole;
The piston body external diameter of piston crown and the inwall internal diameter of cylinder body match, and the piston rod external diameter of piston tail and the piston rod of cylinder body bottom surface match by the aperture in hole, 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 convergence from left to right, and the left end end face center of expanding bar is inwardly processed with the screwed hole that the thread segment with piston tail piston rod rear end matches, and the right-hand member end face center of expanding bar is inwardly processed with pilot hole;
Expansion body is the bulk-breaking structure that the decile cutting vertically of tubular component forms, and the inwall of expansion body component is processed as the conical surface matching with expanding bar profile;
The sidewall of support tube has one group and is positioned at same circumference support bar by hole, and this support bar matches with the decile cutting mode of each bulk-breaking of expansion body by the distribution mode in hole;
Cylinder body is fixed on the right side of left end cap, and opening 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 3 afterbodys passes by hole from the piston rod 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;
Each radially outwards fixes an isometric support bar sidewall of each bulk-breaking of expansion body, after forming component, expansion body puts into support tube, and make to expand the fixing support bar outer end of body and pass through hole through the support bar of support tube sidewall, each support bar sidewall in support tube is all socketed with radially back-moving spring, makes expansion body under free state form component under the effect of back-moving spring radially; The inside processing column shape of the outer end end face hole of each support bar, it is the supporting member that cylinder, upper end are arc surface that the outer end of each support bar connects a lower end by cylindrical hole respectively, 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 fixing expanding bar of support tube right-hand member is inserted in the endoporus of expansion body component; Right-hand member and the right end cap of support tube are fixed, and the fixing guide post of right end cap left end is inserted in the pilot hole of expanding bar right-hand member, guide post between expanding bar right side and right end cap is socketed with axial back-moving spring outward, makes expanding bar under free state promote piston under the effect of axial back-moving spring and presses 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 true CN103990661A (en) | 2014-08-20 |
| CN103990661B 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646454A (en) * | 2015-02-02 | 2015-05-27 | 雒晓卫 | Precise reshaping method for spiral tube type heat exchange assembly outer cylinder |
| CN107597892A (en) * | 2017-10-19 | 2018-01-19 | 浙江嘉达机械制造有限公司 | A kind of shaping disc component of port shaper for pipe fitting |
| CN110102602A (en) * | 2019-04-04 | 2019-08-09 | 新兴能源装备股份有限公司 | A kind of cylinder set round device |
| CN111822548A (en) * | 2020-06-05 | 2020-10-27 | 北京机电研究所有限公司 | Precise shape control equipment for thin-wall cylinder |
| 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 |
| CN112404248A (en) * | 2020-10-20 | 2021-02-26 | 淮南市泰能电力工程有限公司 | Pipeline expansion tool for steam turbine maintenance and maintenance method |
| CN112705588A (en) * | 2019-10-24 | 2021-04-27 | 富鼎电子科技(嘉善)有限公司 | Shaping device |
| CN116532558A (en) * | 2023-07-06 | 2023-08-04 | 太原科技大学 | Horizontal expansion die for end ring of water pump |
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| 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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646454A (en) * | 2015-02-02 | 2015-05-27 | 雒晓卫 | Precise reshaping method for spiral tube type heat exchange assembly outer cylinder |
| CN107597892A (en) * | 2017-10-19 | 2018-01-19 | 浙江嘉达机械制造有限公司 | A kind of shaping disc component of port shaper for pipe fitting |
| 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 |
| CN110102602A (en) * | 2019-04-04 | 2019-08-09 | 新兴能源装备股份有限公司 | A kind of cylinder set round device |
| 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 |
| CN111822548A (en) * | 2020-06-05 | 2020-10-27 | 北京机电研究所有限公司 | Precise shape control equipment for thin-wall cylinder |
| 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 |
| CN112404248A (en) * | 2020-10-20 | 2021-02-26 | 淮南市泰能电力工程有限公司 | Pipeline expansion tool for steam turbine maintenance and maintenance 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 |
Also Published As
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| CN103990661B (en) | 2016-01-20 |
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