CN102513441A - Method for forming arc sickle-shaped flat pipe and harness for forming same - Google Patents
Method for forming arc sickle-shaped flat pipe and harness for forming same Download PDFInfo
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- CN102513441A CN102513441A CN2011104545333A CN201110454533A CN102513441A CN 102513441 A CN102513441 A CN 102513441A CN 2011104545333 A CN2011104545333 A CN 2011104545333A CN 201110454533 A CN201110454533 A CN 201110454533A CN 102513441 A CN102513441 A CN 102513441A
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- pipe
- flat tube
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Abstract
The invention discloses a method for forming an arc sickle-shaped flat pipe and a harness for forming the same. The method includes the steps: firstly, bending a straight pipe with a conical pipe body and an equal-diameter circular pipe body at one initial end into a semi-finished pipe fitting with an equal-diameter arc appearance by the aid of an arc positioning pipe bending harness; and secondly, extruding the bent semi-finished pipe fitting with the equal-diameter arc appearance into the finished arc sickle-shaped flat pipe by the aid of the harness for forming the arc sickle-shaped flat pipe. The harness is simple in structure, convenient in operation and low in cost, and the finished pipe is fine in use effect. The method and the harness are applicable to design and manufacture of a fluid guide pipe fitting which requires the internal sectional area to be gradually increased from an inlet to an outlet for benefiting smooth internal flow, and has low external flow section resistance.
Description
Technical field
The forming method and the harness of the processing of a kind of workpiece of attribute of the present invention are specifically related to a kind of forming method and harness of circular-arc crescent flat tube.
Background technology
At present, the higher small-sized circular-arc variable cross-section pipe fitting of employed precision in some equipment, the general manual processing that is difficult to needs to adopt expensive equipment and complicated technology to manufacture complex-shaped mould, manufactures the cost height.
Summary of the invention
The present invention proposes in order to overcome the shortcoming that exists in the prior art, its objective is forming method and harness that a kind of circular-arc crescent flat tube is provided.
Technical scheme of the present invention is: a kind of forming method of circular-arc crescent flat tube may further comprise the steps:
(i) adopt a kind of circular-arc location bend pipe harness will an initial end to have straight tube that circular cone body and isometrical pipe body constitute and curve the circular arc pipe fitting semi-finished product that profile such as is at a radius;
(ⅱ) the moulding harness of a kind of circular-arc crescent flat tube of employing will curve profile and be squeezed into circular-arc crescent flat tube for the circular arc pipe fitting semi-finished product that wait radius.
The employed harness of described forming method comprises the moulding harness of bend pipe harness of circular-arc location and circular-arc crescent flat tube.
The bend pipe harness of wherein circular-arc location comprises substrate, and substrate is provided with fixed wheel, is provided with driving wheel in a side of fixed wheel, and fixed wheel is fixedly connected with substrate through the fixed wheel straight pin with pivoted arm, and driving wheel is connected with driving wheel straight pin matched in clearance on being fixed on pivoted arm; Driving wheel is fixed on the pivoted arm through the driving wheel straight pin, and the mantle body is that matched in clearance is connected with first and second guide cylinder pin.
The moulding harness of wherein circular-arc crescent flat tube comprises positioning body, in positioning body, is provided with and decides cone, on decide cone, is provided with the mantle body, decides cone and mantle body and is connected on the positioning body through the first guide cylinder pin and the second guide cylinder pin.
The present invention is simple in structure, easy to operate, with low cost, and the finished product result of use of being made is good.Be applicable to that sectional area is beneficial to make in order interior stream by import to exporting to increase gradually in the requirement pipe, and manage manufacturing and designing of the little drainage body pipe fitting of outer overflow section resistance.
Description of drawings
Fig. 1 is a circular-arc location bend pipe harness sketch map of the present invention;
Fig. 2 is the vertical view of fixed wheel of the present invention;
Fig. 3 is along the profile of A-A line among Fig. 2;
Fig. 4 is the vertical view of driving wheel of the present invention;
Fig. 5 is along the profile of B-B line among Fig. 4;
Fig. 6 is the moulding harness sketch map of circular-arc crescent flat tube of the present invention;
Fig. 7 is along the profile of C-C line among Fig. 6.
Wherein:
1 substrate, 2 fixed wheels
3 driving wheels, 4 pivoted arms
5 fixed wheel straight pins, 6 driving wheel straight pins
7 workpiece, 8 fixed wheel breach
9 protruding 10 taper locating holes
11 fixed wheel arc grooves, 12 driving wheel breach
13 driving wheel arc grooves, 14 positioning bodies
15 decide cone 16 mantle bodies
17 first guide cylinder pins, 18 second guide cylinder pins
19 annular grooves.
The specific embodiment
Below, in conjunction with accompanying drawing and embodiment the moulding harness and the method for a kind of circular-arc crescent flat tube of the present invention are elaborated:
A kind of moulding harness of circular-arc crescent flat tube comprises the moulding harness of bend pipe harness of circular-arc location and circular-arc crescent flat tube.
Shown in Fig. 1～5, the bend pipe harness of circular-arc location comprises substrate 1, and substrate 1 is provided with fixed wheel 2, is provided with driving wheel 3 in a side of fixed wheel 2, and the spacing between fixed wheel 2 and driving wheel 3 cylindricals and the pipe overall diameter size of workpiece 7 adapt.Fixed wheel 2 is fixedly connected with substrate 1 through fixed wheel straight pin 5 with pivoted arm 4, and wherein fixed wheel 2 is fixedly connected with substrate 1, and pivoted arm 4 flexibly connects with substrate 1.Driving wheel 3 is connected with driving wheel straight pin 6 matched in clearance on being fixed on pivoted arm 4, rotates pivoted arm 4, driving wheel 5 can rotate around fixed wheel 2.
On fixed wheel 2, be formed with fixed wheel breach 8, form protrudingly 9 in a side of fixed wheel breach 8, on protruding 9, form taper locating hole 10, on the cylindrical of fixed wheel 2, be formed with fixed wheel arc groove 11.On driving wheel 3, be formed with driving wheel breach 12, on the cylindrical of driving wheel 3, be formed with driving wheel arc groove 13.The equal diameters of the circular arc of fixed wheel arc groove 11 and driving wheel arc groove 13 also adapts with the pipe overall diameter size of workpiece 7.
Like Fig. 6, shown in 7, the moulding harness of circular-arc crescent flat tube comprises positioning body 14, in positioning body 14, is provided with and decides cone 15, on decide cone 15, is provided with mantle body 16.Deciding cone 15 is connected on the positioning body 14 through the first guide cylinder pin 17 and the second guide cylinder pin 18 with mantle body 16.The line of centres of first and second guide cylinder pin 17,18 is positioned on the minor axis of deciding cone 15 and mantle body 16.Wherein mantle body 16 is a matched in clearance with first and second guide cylinder pin 17,18.
Positioning body 14 is annular box-like that the end is arranged, and is formed with annular groove 19 on the upper semi-circle of wall within it.Both ends deciding cone 15 and mantle body 16 respectively form taper, and the tapering of both tapers is identical, and the flat tube shape of its tapering and the crescent flat tube that forms with workpiece 7 adapts.Annular groove 19 adapts with the top of deciding cone 15 and 16 liang of cones of mantle body.
Shown in Fig. 1～7, a kind of forming method of circular-arc crescent flat tube may further comprise the steps:
(i) conical end with the workpiece 7 of tubulose is inserted in the taper locating hole 10 of fixed wheel 2; The tubular portion that makes workpiece 7 and fixed wheel 2 are consistent with the direction of deciding driving wheel arc groove 11,13 on the driving wheel 3; Rotate counterclockwise pivoted arm 4; Pivoted arm 4 drives driving wheel 3, and (shown in the solid line) rotates together from the home position; Workpiece 7 is pressed into decides in driving wheel arc groove 11, the 13 formed grooves, when driving wheel 3 forwarded terminal point (shown in the dotted line) to, workpiece 7 was extruded that to curve profile tubular semifinished for the circular arc that waits radius.
(ⅱ) will decide cone 15 with first and second guide cylinder pin 17,18 is installed in the positioning body 14; The tubular semifinished annular groove 19 of putting into positioning body 14 of circular arc that waits radius that again (i) step is formed; Then with mantle body 16 be installed in decide cone 15 above; Extruding mantle body 16 under the effect of external force is squeezed into circular-arc crescent flat tube workpiece 7 with circular arc is tubular semifinished.
The present invention is simple in structure, easy to operate, with low cost, and the finished product result of use of being made is good.Be applicable to that sectional area is beneficial to make in order interior stream by import to exporting to increase gradually in the requirement pipe, and manage manufacturing and designing of the little drainage body pipe fitting of outer overflow section resistance.
Claims (6)
1. the forming method of a circular-arc crescent flat tube is characterized in that: may further comprise the steps:
(i) adopt a kind of circular-arc location bend pipe harness will an initial end to have straight tube that circular cone body and isometrical pipe body constitute and curve the circular arc pipe fitting semi-finished product that profile such as is at a radius;
(ⅱ) the moulding harness of a kind of circular-arc crescent flat tube of employing will curve profile and be squeezed into circular-arc crescent flat tube for the circular arc pipe fitting semi-finished product that wait radius.
2. according to the employed harness of the described forming method of claim 1; It is characterized in that: comprise the moulding harness of bend pipe harness of circular-arc location and circular-arc crescent flat tube; Described circular-arc location bend pipe harness comprises substrate (1); Substrate (1) is provided with fixed wheel (2); Side at fixed wheel (2) is provided with driving wheel (3), and fixed wheel (2) is fixedly connected with substrate (1) through fixed wheel straight pin (5) with pivoted arm (4), and driving wheel (3) is connected with driving wheel straight pin (6) matched in clearance on being fixed on pivoted arm (4); The moulding harness of described circular-arc crescent flat tube comprises positioning body (14); In positioning body (14), be provided with and decide cone (15); On decide cone (15), be provided with mantle body (16); Fixed, mantle body (15,16) is connected on the positioning body (14) through first and second guide cylinder pin (17,18), and mantle body (16) is connected for matched in clearance with first and second guide cylinder pin (17,18).
3. circular-arc location bend pipe harness according to claim 2 is characterized in that: the spacing between fixed wheel (2) and driving wheel (3) cylindrical and the pipe overall diameter size of workpiece (7) adapt.
4. circular-arc location bend pipe harness according to claim 2; It is characterized in that: on the cylindrical of fixed wheel (2), be formed with fixed wheel arc groove (11); On the cylindrical of driving wheel (3), be formed with driving wheel arc groove (13), the equal diameters of the circular arc of fixed, driving wheel arc groove (11,13) also adapts with the pipe overall diameter size of workpiece (7).
5. the moulding harness of circular-arc crescent flat tube according to claim 2; It is characterized in that: on the upper semi-circle of the inwall of positioning body (14), be formed with annular groove (19), annular groove (19) adapts with the top of deciding cone (15) and mantle body (16) two cones.
6. the moulding harness of circular-arc crescent flat tube according to claim 2; It is characterized in that: the both ends deciding cone (15) and mantle body (16) respectively form taper; The tapering of both tapers is identical, and the flat tube shape of its tapering and the crescent flat tube that forms with workpiece (7) adapts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110454533 CN102513441B (en) | 2011-12-30 | 2011-12-30 | Method for forming arc sickle-shaped flat pipe and harness for forming same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110454533 CN102513441B (en) | 2011-12-30 | 2011-12-30 | Method for forming arc sickle-shaped flat pipe and harness for forming same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102513441A true CN102513441A (en) | 2012-06-27 |
| CN102513441B CN102513441B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110454533 Active CN102513441B (en) | 2011-12-30 | 2011-12-30 | Method for forming arc sickle-shaped flat pipe and harness for forming same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624716A (en) * | 2014-12-24 | 2015-05-20 | 中核(天津)科技发展有限公司 | One-step molding method and device for sickle-shaped pipe with gradually enlarged section |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61273227A (en) * | 1985-05-29 | 1986-12-03 | Hitachi Ltd | Method and device for producing flat tube for heat exchanger |
| CN2799120Y (en) * | 2005-04-26 | 2006-07-26 | 上海市安装工程有限公司 | Manual pipe-bending device |
| WO2011015184A1 (en) * | 2009-08-06 | 2011-02-10 | Schaeffler Technologies Gmbh & Co.Kg | Method for producing a flanged disk for a spherical roller bearing and spherical roller bearing having a flanged disk produced according to the method |
| CN201791808U (en) * | 2010-09-25 | 2011-04-13 | 宁波海达塑料机械有限公司 | Quick oil pipe bending device |
| CN202015780U (en) * | 2011-01-30 | 2011-10-26 | 江苏勇龙电气有限公司 | Processing die for flange lip of electrode |
-
2011
- 2011-12-30 CN CN 201110454533 patent/CN102513441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61273227A (en) * | 1985-05-29 | 1986-12-03 | Hitachi Ltd | Method and device for producing flat tube for heat exchanger |
| CN2799120Y (en) * | 2005-04-26 | 2006-07-26 | 上海市安装工程有限公司 | Manual pipe-bending device |
| WO2011015184A1 (en) * | 2009-08-06 | 2011-02-10 | Schaeffler Technologies Gmbh & Co.Kg | Method for producing a flanged disk for a spherical roller bearing and spherical roller bearing having a flanged disk produced according to the method |
| CN201791808U (en) * | 2010-09-25 | 2011-04-13 | 宁波海达塑料机械有限公司 | Quick oil pipe bending device |
| CN202015780U (en) * | 2011-01-30 | 2011-10-26 | 江苏勇龙电气有限公司 | Processing die for flange lip of electrode |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624716A (en) * | 2014-12-24 | 2015-05-20 | 中核(天津)科技发展有限公司 | One-step molding method and device for sickle-shaped pipe with gradually enlarged section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102513441B (en) | 2013-10-30 |
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