CN102513441B - 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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- CN102513441B CN102513441B CN 201110454533 CN201110454533A CN102513441B CN 102513441 B CN102513441 B CN 102513441B CN 201110454533 CN201110454533 CN 201110454533 CN 201110454533 A CN201110454533 A CN 201110454533A CN 102513441 B CN102513441 B CN 102513441B
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- pipe
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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
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 small-sized circular arc shape variable cross-section pipe fitting that employed precision is higher 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 moulding harness of circular-arc crescent flat tube, comprise the moulding harness of the bend pipe harness of circular-arc location and circular-arc crescent flat tube, described circular-arc location bend pipe harness comprises substrate, be provided with fixed wheel at substrate, side at fixed wheel is provided with driving wheel, fixed wheel is fixedly connected with substrate by 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; The moulding harness of described circular-arc crescent flat tube comprises positioning body, in positioning body, be provided with and decide cone, on decide cone, be provided with movable cone, decide cone and movable cone and be connected on the positioning body by the first guide cylinder pin, the second guide cylinder pin, movable cone and the first guide cylinder pin be connected the guide cylinder pin and be respectively matched in clearance and be connected.
The pipe overall diameter size of the spacing between fixed wheel and the driving wheel cylindrical and workpiece adapts.
Be formed with the fixed wheel arc groove on the cylindrical of fixed wheel, be formed with the driving wheel arc groove at the cylindrical of driving wheel, the equal diameters of the circular arc of fixed wheel arc groove, driving wheel arc groove also adapts with the pipe overall diameter size of workpiece.
Upper semi-circle at the inwall of positioning body is formed with annular groove, and annular groove adapts with the top of deciding cone and movable cone two cones.
Respectively form taper at the both ends of deciding cone and movable cone, the tapering of both tapers is identical, and the flat tube shape of its tapering and the crescent flat tube that forms with workpiece adapts.
A kind of forming method of moulding harness of circular-arc crescent flat tube is characterized in that: may further comprise the steps:
(i) straight tube that adopts a kind of circular-arc location bend pipe harness will an initial end to consist of with circular cone body and isometrical pipe body curves the circular arc pipe fitting semi-finished product that profile such as is at the 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 present invention is simple in structure, easy to operate, with low cost, and the finished product result of use of making is good.Be applicable to the interior sectional area of requirement pipe and be beneficial to make in order interior stream by import to exporting to increase gradually, and manage manufacturing and designing of the little drainage body pipe fitting of outer overflow section resistance.
Description of drawings
Fig. 1 is circular-arc location bend pipe harness schematic diagram of the present invention;
Fig. 2 is the top 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 top 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 schematic diagram 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 movable cones
17 first guide cylinder pins, 18 second guide cylinder pins
19 annular grooves
The specific embodiment
Below, in conjunction with the accompanying drawings and embodiments 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 the 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, is provided with fixed wheel 2 at substrate 1, 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 by fixed wheel straight pin 5 with pivoted arm 4, and wherein fixed wheel 2 is fixedly connected with substrate 1, and pivoted arm 4 is flexibly connected 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 3 can rotate around fixed wheel 2.
Be formed with fixed wheel breach 8 at fixed wheel 2, form projection 9 in a side of fixed wheel breach 8, form taper locating holes 10 in projection 9, be formed with fixed wheel arc groove 11 at the cylindrical of fixed wheel 2.Be formed with driving wheel breach 12 at driving wheel 3, be formed with driving wheel arc groove 13 at the cylindrical of driving wheel 3.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.
Shown in Fig. 6,7, the moulding harness of circular-arc crescent flat tube comprises positioning body 14, is provided with in positioning body 14 and decides cone 15, is provided with movable cone 16 on decide cone 15.Deciding cone 15 and movable cone 16 is connected on the positioning body 14 by the first guide cylinder pin 17 and the second guide cylinder pin 18.First and second guide cylinder pin 17,18 the line of centres are positioned on the minor axis of deciding cone 15 and movable cone 16.Wherein movable cone 16 is 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.Respectively form taper at the both ends of deciding cone 15 and movable cone 16, 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 movable cone.
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, on the tubular portion that makes workpiece 7 and fixed wheel 2 and the driving wheel 3 decide driving wheel arc groove 11,13 direction is consistent, 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 is extruded and curves profile was to wait the circular arc of radius tubular semifinished.
(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 movable cone 16 is installed in decide cone 15 above, extruding movable cone 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 making is good.Be applicable to the interior sectional area of requirement pipe and be beneficial to make in order interior stream by import to exporting to increase gradually, and manage manufacturing and designing of the little drainage body pipe fitting of outer overflow section resistance.
Claims (6)
1. the moulding harness of a circular-arc crescent flat tube, it is characterized in that: comprise the moulding harness of the bend pipe harness of circular-arc location and circular-arc crescent flat tube, described circular-arc location bend pipe harness comprises substrate (1), be provided with fixed wheel (2) at substrate (1), side at fixed wheel (2) is provided with driving wheel (3), fixed wheel (2) is fixedly connected with substrate (1) by 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 movable cone (16), decide cone (15) and movable cone (16) and be connected on the positioning body (14) by the first guide cylinder pin (17), the second guide cylinder pin (18), movable cone (16) and the first guide cylinder pin (17) be connected guide cylinder pin (18) and be respectively matched in clearance and be connected.
2. the moulding harness of circular-arc crescent flat tube according to claim 1 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.
3. the moulding harness of circular-arc crescent flat tube according to claim 1, it is characterized in that: the cylindrical at fixed wheel (2) is formed with fixed wheel arc groove (11), cylindrical at driving wheel (3) is formed with driving wheel arc groove (13), and the equal diameters of the circular arc of fixed wheel arc groove (11), driving wheel arc groove (13) also adapts with the pipe overall diameter size of workpiece (7).
4. the moulding harness of circular-arc crescent flat tube according to claim 1, it is characterized in that: the upper semi-circle at the inwall of positioning body (14) is formed with annular groove (19), and annular groove (19) adapts with the top of deciding cone (15) and movable cone (16) two cones.
5. the moulding harness of circular-arc crescent flat tube according to claim 1, it is characterized in that: respectively form taper at the both ends of deciding cone (15) and movable cone (16), 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.
6. according to the forming method of the moulding harness of circular-arc crescent flat tube claimed in claim 1, it is characterized in that: may further comprise the steps:
(i) straight tube that adopts a kind of circular-arc location bend pipe harness will an initial end to consist of with circular cone body and isometrical pipe body curves the circular arc pipe fitting semi-finished product that profile such as is at the 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.
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 CN102513441A (en) | 2012-06-27 |
| CN102513441B true 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624716B (en) * | 2014-12-24 | 2017-01-04 | 中核(天津)科技发展有限公司 | Crescent pipe one-step moulding method that cross section is gradually increased and shaped device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2799120Y (en) * | 2005-04-26 | 2006-07-26 | 上海市安装工程有限公司 | Manual pipe-bending device |
| 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 |
Family Cites Families (2)
| 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 |
| DE102009036347B4 (en) * | 2009-08-06 | 2023-04-27 | Schaeffler Technologies AG & Co. KG | Method for producing a flanged wheel for a spherical roller bearing and spherical roller bearing with a flanged wheel produced according to the method |
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2011
- 2011-12-30 CN CN 201110454533 patent/CN102513441B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2799120Y (en) * | 2005-04-26 | 2006-07-26 | 上海市安装工程有限公司 | Manual pipe-bending device |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP昭61-273227A 1986.12.03 |
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| CN102513441A (en) | 2012-06-27 |
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