CN104646469A - Red copper pipe flanging method - Google Patents
Red copper pipe flanging method Download PDFInfo
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- CN104646469A CN104646469A CN201310640606.7A CN201310640606A CN104646469A CN 104646469 A CN104646469 A CN 104646469A CN 201310640606 A CN201310640606 A CN 201310640606A CN 104646469 A CN104646469 A CN 104646469A
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- flanging
- copper tube
- flange
- lower die
- groove
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Abstract
The invention discloses a red copper pipe flanging method and relates to the technical field of shipbuilding. The red copper pipe flanging method includes: a red copper pipe is fixed in a hole formed by a flanging lower die groove and a flanging upper die groove and butts against a baffle, a flanging lower die and a flanging upper die are tightened, a hydraulic system is started, hydraulic oil and return oil of an outlet of a hydraulic cylinder are filled in an inlet of the hydraulic cylinder, a piston rod of the hydraulic cylinder extends into an outer port of the red copper pipe, and a flanging male die at the end of the piston rod extends into the red copper pipe and outwards presses the exposed pipe part to finish flanging operation. The red copper pipe flanging method can solve the problems in the prior art that manual flanging of the red copper pipe is unreliable and low in production efficiency.
Description
Technical field
The present invention relates to shipbuilding technical field, especially a kind of copper tube method for flanging of boats and ships connecting tube.
Background technology
On boats and ships, hydraulic system pipeline need use a large amount of copper tubes, connection between copper tube and other stainless steel tubes can only be undertaken by steel flange, and due to the weldability of steel flange and copper tube poor, want copper tube and flange connections are not leaked, best bet is by after the flange of copper tube one end, the other end cover of steel flange from copper tube is entered, then uses bolted two flanges, realize the connection of copper tube and stainless steel tube; At more current ship enterprise in copper tube manufacture craft, also continue to use the manual flanging process of copper tube comparatively fallen behind, this production efficiency is low, Forming Quality is poor, usually appear at the pitting corrosion that copper tube flange place causes due to flange defect, have to do over again to oneself mounted pipeline, this just considerably increases production cost, have impact on production efficiency, therefore, some shipbuilding enterprises have to adopt the loose flange assembly of outsourcing to replace copper tube flange, this had both added the welding job amount of copper pipe, too increased cost of manufacture simultaneously.
Summary of the invention
The object of this invention is to provide a kind of copper tube method for flanging and flanger, it can solve the problem that the manual flange quality of copper tube in prior art is unreliable, production efficiency is low.
In order to solve the problem, the technical solution used in the present invention is: this copper tube method for flanging, comprises the steps:
Copper tube flanger is used to carry out flange, this copper tube flanger comprises flange workbench, described flange work top is fixed with its upper surface and establishes reeded flanging lower die, be fixed with by securing member the flange patrix that its lower surface is provided with the flange patrix groove corresponding with described flanging lower die groove in the upper surface of described flanging lower die; Described flange work top is fixed with block in the side of described flanging lower die, the opposite side of described flanging lower die is provided with the hydraulic cylinder of hydraulic system driving, and the piston rod end of described hydraulic cylinder is provided with the flanging die in the hole stretching to described flanging lower die groove and the formation of described flange patrix groove;
Copper tube is provided with in the described hole that described flanging lower die and described flange patrix are formed, copper sheet is provided with between the inwall in described hole and the outer wall of described copper tube, the inner and the described block of this copper tube offset, the shoulder of described copper tube stretches out outside described hole, the shoulder of described copper tube and the inwall junction of described copper tube are that circular arc is excessive, and described flanging die and the face that described copper tube contacts are corresponding cambered surface;
Described hydraulic cylinder is fixed on described work top by fixture;
Its method for flanging comprises the steps:
A. in the hole that described flanging lower die groove and described flange patrix groove are formed, one deck copper sheet is padded, one end of copper tube is passed the copper sheet padded in the hole of described flanging lower die groove and the formation of described flange patrix groove, and the block of this end and described copper tube flanger side offsets, the other end of described copper tube is exposed at the outer end in described hole;
B. the securing member being located at described flange patrix is tightened, make described copper tube be fixed in the hole of described flanging lower die groove and the formation of described flange patrix groove;
C. primer fluid pressing system, makes described hydraulic cylinder entrance pass into hydraulic oil, it exports oil return;
D. the piston rod of described hydraulic cylinder stretches to described copper tube external port, and the flanging die of piston rod end to stretch in described copper tube and by the body portion exposed to external pressure, completes flange operation;
E. switching hydraulic valve makes described hydraulic cylinder export oil-feed, entrance oil return, and described piston rod is retracted, and repeats said process; In this process, change different flanging dies as required, finally complete turn-up process.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
1, the present invention can solve the problem that the manual flange quality of copper tube in prior art is unreliable, production efficiency is low.
2, adopt flanger of the present invention and method for flanging to carry out copper tube flange, work efficiency improves four times, and copper tube flange quality improves greatly, and copper tube flange qualification rate reaches more than 95%.
Accompanying drawing explanation
Fig. 1 is copper tube flanger front view.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is further described: copper tube flanger as shown in Figure 1, this copper tube method for flanging,
Copper tube flanger is used to carry out flange, this copper tube flanger comprises flange workbench 11, flange workbench 11 table top is fixed with its upper surface and establishes reeded flanging lower die 3, be fixed with by bolt 4 the flange patrix 5 that its lower surface is provided with the groove of the flange patrix 5 corresponding with the groove of flanging lower die 3 in the upper surface of flanging lower die 3; The table top of flange workbench 11 is fixed with block 1 in the side of flanging lower die 3, the opposite side of flanging lower die 3 is provided with the hydraulic cylinder 7 of hydraulic system driving, the flanging die 6 in the hole that the groove that the piston rod end of hydraulic cylinder 7 is provided with groove and the flange patrix 5 stretching to flanging lower die 3 is formed;
Copper tube 2 is provided with in the hole that flanging lower die 3 and flange patrix 5 are formed, copper sheet 10 is provided with between the inwall in hole and the outer wall of copper tube 2, the inner and the block 1 of this copper tube 2 offset, the shoulder of copper tube 2 stretches out outside hole, the shoulder of copper tube 2 and the inwall junction of copper tube 2 are that circular arc is excessive, and flanging die 6 and the face that copper tube 2 contacts are corresponding cambered surface;
Hydraulic cylinder 7 is fixed on the side on the face of flange workbench 11 by band 8, cushion block 13 and bolt 12;
Its method for flanging comprises the steps:
A. in the hole that the groove of flanging lower die 3 and the groove of flange patrix 5 are formed, one deck copper sheet 10 is padded, one end of copper tube 2 is passed the copper sheet 10 padded in the hole of the groove of flanging lower die 3 and the groove formation of flange patrix 5, and the block 1 of this end and copper tube flanger side offsets, the other end of copper tube 2 is exposed at the outer end in hole;
B. the bolt 4 being located at flange patrix 5 is tightened, make copper tube 2 be fixed in the hole of the groove of flanging lower die 3 and the groove formation of flange patrix 5;
C. primer fluid pressing system, makes hydraulic cylinder 7 entrance pass into hydraulic oil, it exports oil return;
D. the piston rod of hydraulic cylinder 7 stretches to the external port of copper tube 2, and the flanging die 6 of piston rod end to stretch in copper tube 2 and the body portion exposed outwards extruded, and completes flange operation once;
E. switch outlet oil-feed, entrance oil return that hydraulic valve 7 makes hydraulic cylinder 7, piston rod is retracted, and repeats said process; In this process, change different flanging dies 6 as required, finally complete turn-up process.
Claims (1)
1. a copper tube method for flanging, is characterized in that:
Copper tube flanger is used to carry out flange, this copper tube flanger comprises flange workbench, described flange work top is fixed with its upper surface and establishes reeded flanging lower die, be fixed with by securing member the flange patrix that its lower surface is provided with the flange patrix groove corresponding with described flanging lower die groove in the upper surface of described flanging lower die; Described flange work top is fixed with block in the side of described flanging lower die, the opposite side of described flanging lower die is provided with the hydraulic cylinder of hydraulic system driving, and the piston rod end of described hydraulic cylinder is provided with the flanging die in the hole stretching to described flanging lower die groove and the formation of described flange patrix groove;
Copper tube is provided with in the described hole that described flanging lower die and described flange patrix are formed, copper sheet is provided with between the inwall in described hole and the outer wall of described copper tube, the inner and the described block of this copper tube offset, the shoulder of described copper tube stretches out outside described hole, the shoulder of described copper tube and the inwall junction of described copper tube are that circular arc is excessive, and described flanging die and the face that described copper tube contacts are corresponding cambered surface;
Described hydraulic cylinder is fixed on the opposite side on described work top by fixture;
Its method for flanging comprises the steps:
A. in the hole that described flanging lower die groove and described flange patrix groove are formed, one deck copper sheet is padded, one end of copper tube is passed the copper sheet padded in the hole of described flanging lower die groove and the formation of described flange patrix groove, and the block of this end and described copper tube flanger side offsets, the other end of described copper tube is exposed at the outer end in described hole;
B. the securing member being located at described flange patrix is tightened, make described copper tube be fixed in the hole of described flanging lower die groove and the formation of described flange patrix groove;
C. primer fluid pressing system, makes described hydraulic cylinder entrance pass into hydraulic oil, it exports oil return;
D. the piston rod of described hydraulic cylinder stretches to described copper tube external port, and the flanging die of piston rod end to stretch in described copper tube and by the body portion exposed to external pressure, completes flange operation;
E. switching hydraulic valve makes described hydraulic cylinder export oil-feed, entrance oil return, and described piston rod is retracted, and repeats said process; In this process, change different flanging dies as required, finally complete turn-up process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640606.7A CN104646469A (en) | 2013-12-04 | 2013-12-04 | Red copper pipe flanging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640606.7A CN104646469A (en) | 2013-12-04 | 2013-12-04 | Red copper pipe flanging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104646469A true CN104646469A (en) | 2015-05-27 |
Family
ID=53238395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310640606.7A Pending CN104646469A (en) | 2013-12-04 | 2013-12-04 | Red copper pipe flanging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104646469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479825A (en) * | 2019-07-01 | 2019-11-22 | 沛县大屯电石厂 | A kind of nickel alloy pipe hydraulic flanging |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877719A (en) * | 1981-10-31 | 1983-05-11 | Benkan Plant Kk | Method and machine for forming flange of pipe end part |
| JP3753542B2 (en) * | 1998-06-23 | 2006-03-08 | 株式会社荏原製作所 | Forging equipment |
| CN1788875A (en) * | 2005-12-11 | 2006-06-21 | 杜明乾 | Flanging arrangement for wall hole of thin metal pipe |
| CN201862701U (en) * | 2010-10-25 | 2011-06-15 | 合肥华信电动科技发展有限公司 | Pipe belling device |
| CN201940480U (en) * | 2010-12-20 | 2011-08-24 | 保隆(安徽)汽车配件有限公司 | Flanging die |
| CN202621705U (en) * | 2012-06-28 | 2012-12-26 | 江苏金龙新能源设备科技实业有限公司 | Automatic flanging and hole drawing machine for copper pipe |
| CN202921728U (en) * | 2012-10-31 | 2013-05-08 | 武汉南华高速船舶工程股份有限公司 | Hydraulic flanging machine for copper-nickel alloy pipe |
-
2013
- 2013-12-04 CN CN201310640606.7A patent/CN104646469A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877719A (en) * | 1981-10-31 | 1983-05-11 | Benkan Plant Kk | Method and machine for forming flange of pipe end part |
| JP3753542B2 (en) * | 1998-06-23 | 2006-03-08 | 株式会社荏原製作所 | Forging equipment |
| CN1788875A (en) * | 2005-12-11 | 2006-06-21 | 杜明乾 | Flanging arrangement for wall hole of thin metal pipe |
| CN201862701U (en) * | 2010-10-25 | 2011-06-15 | 合肥华信电动科技发展有限公司 | Pipe belling device |
| CN201940480U (en) * | 2010-12-20 | 2011-08-24 | 保隆(安徽)汽车配件有限公司 | Flanging die |
| CN202621705U (en) * | 2012-06-28 | 2012-12-26 | 江苏金龙新能源设备科技实业有限公司 | Automatic flanging and hole drawing machine for copper pipe |
| CN202921728U (en) * | 2012-10-31 | 2013-05-08 | 武汉南华高速船舶工程股份有限公司 | Hydraulic flanging machine for copper-nickel alloy pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479825A (en) * | 2019-07-01 | 2019-11-22 | 沛县大屯电石厂 | A kind of nickel alloy pipe hydraulic flanging |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150527 |
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| RJ01 | Rejection of invention patent application after publication |