CN102327960A - Hot-pressing forming compound die for boiler smoke chamber pipe plate - Google Patents
Hot-pressing forming compound die for boiler smoke chamber pipe plate Download PDFInfo
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- CN102327960A CN102327960A CN2010102265973A CN201010226597A CN102327960A CN 102327960 A CN102327960 A CN 102327960A CN 2010102265973 A CN2010102265973 A CN 2010102265973A CN 201010226597 A CN201010226597 A CN 201010226597A CN 102327960 A CN102327960 A CN 102327960A
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Abstract
The invention discloses a hot-pressing forming compound die for a boiler smoke chamber pipe plate, which comprises a forming upper die, a forming lower die, a stripper ring, a flange female die and a punch, wherein the forming upper die is a cylinder with an eccentric cylindrical hole, and a circumferential boss is arranged on the outer wall at the lower end of the forming upper die; the stripper ring is a T-shaped cylinder, and the stripper ring is movably sheathed on the forming upper die; a fixed support is mounted below the forming lower die, and a cylindrical hole which is coaxial with the stripper ring is arranged in the forming lower die; the flange female die is positioned below the forming upper die, the upper end of the flange female die extends into the forming lower die, and a pneumatic support is mounted below the flange female die; and the upper end of the punch is the cylinder, the lower end of the punch is a cone, when the upper end of the punch is inserted into the cylindrical hole of the forming upper die and pressed down together with the forming upper die, the cone at the lower end of the punch penetrates through the flange female die. The boiler smoke chamber pipe plate with the eccentric hole is formed through one set of the compound die, and the automatic stripping can be realized, thereby being time-saving, labor-saving and energy-saving and simultaneously improving the qualification rate of products.
Description
Technical field
The present invention relates to a kind of shaping dies of boiler smoke-box tube sheet, particularly boiler smoke-box tube sheet hot forming compound die.
Background technology
The boiler smoke-box tube sheet (as shown in Figure 1) of band eccentric orfice; Boiler for producing producer generally adopts hot forming, drops into two molds usually, pulls the outer limit mould of pulling of a limit mould and a cover in the cover; Pull the outer limit of pulling behind the limit in having earlier, or pull the two kinds of drawing methods in limit in pulling behind the limit outward earlier.Because twice shaping successively of two molds needs twice heating and pressurizing process, takes time and effort energy consumption; Do not have stripper apparatus when outside carrying out, pulling the limit and make workpiece demoulding difficulty; In pull the limit and pull the compacting of limit two molds outward, can't guarantee the position dimension in hole and cause and scrap.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of boiler smoke-box tube sheet hot forming compound die, in making, pulls a mold limit and pulls the limit outward to be shaped simultaneously, and can automatic demoulding.
For solving above technical problem, technical scheme of the present invention is following: a kind of boiler smoke-box tube sheet hot forming compound die, comprise shaping patrix 1 and forming lower die 2, and it is characterized in that: also comprise stripper ring 3, flange die 4 and drift 5;
Said shaping patrix 1 is a cylinder, and the cylindrical hole of an off-centre is arranged in this shaping patrix 1, the parallel axes in said cylindrical axis and eccentric cylinder hole, and the outer wall of said shaping patrix 1 lower end is provided with circumferential boss 9;
Said stripper ring 3 is a T shape cylinder, and these stripper ring 3 kinks are at shaping patrix 1 outer wall;
In the said forming lower die 2 cylindrical hole is arranged; When stripper ring 3 falls with shaping patrix 1; Its larger diameter end 3a drops on forming lower die 2 upper surfaces, and its smaller diameter end 3b inserts in the gap between said forming lower die 2 and the shaping patrix 1, and the below of this forming lower die 2 is equipped with fixed bearing 7;
Said flange die 4 is a cylinder; This flange die 4 is positioned at shaping patrix 1 below, and its upper end is stretched in said forming lower die 2 cylindrical holes, and these flange die 4 belows are equipped with pneumatic supporting 8; In this flange die 4 cylindrical hole is arranged, this cylindrical hole is coaxial with the cylindrical hole of shaping patrix 1;
Said drift 5 upper ends are that cylinder, lower end are circular cone, and the dead in line of the axis of this drift 5 and moulding patrix 1 cylindrical hole interts in the cylindrical hole of shaping patrix 1 when pressing down with shaping patrix 1 when its upper end, and the circular cone of its lower end passes flange die 4.
The last plane of said circumferential boss 9 is low inside and high outside tapered plane, and the lower plane of said stripper ring 3 is parallel with this tapered plane.
On described drift 5 and the shaping patrix 1 radial hole 10 is arranged, pin passes this radial hole 10 and links together described drift 5 with shaping patrix 1.
The present invention adopts composite die; The shaping patrix is connected with holding pin with the drift that interts in its cylindrical hole; Under the effect of forcing press, press down simultaneously, stripper ring falls with the shaping patrix by deadweight, stops to fall behind the plane on the stripper ring contact forming lower die; Shaping patrix and drift continue to press down, and lean on forming lower die and flange die to be shaped simultaneously pulling the limit in the workpiece and pulling the limit outward; After the shaping, unload the holding pin of shaping patrix and drift, edge die is upwards overthrown in pneumatic supporting, and to drive workpiece up with the moulding patrix, behind the workpiece contact stripper ring behind the lower plane automatically with the disengagement of shaping patrix, realization automatic demoulding.
Beneficial effect of the present invention:
1) position dimension in hole in the time of guaranteeing to pull the limit in the boiler smoke-box tube sheet and pull the limit outward effectively prevents hole dislocation or disalignment, constant product quality, and product percent of pass is improved;
2) only drop into a mold, reduced more mold exchange and the time of adjusting mould;
3) heating and pressurizing is once accomplished, and has saved the energy and time, greatly reduces production cost;
4) the ability automatic demoulding does not need special-purpose extractor, has guaranteed demoulding quality.
Description of drawings
The boiler smoke-box tube plate structure sketch map of Fig. 1 band eccentric orfice.
Fig. 2 working state schematic representation of the present invention.
Fig. 3 stripper ring enlarged drawing of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Suppress the boiler smoke-box tube sheet of band eccentric orfice as shown in Figure 1, the present invention adopts composite die as shown in Figure 2, comprises shaping patrix 1, forming lower die 2, stripper ring 3, flange die 4 and drift 5.Shaping patrix 1 is a cylinder, and the cylindrical hole of an off-centre is arranged in it, the parallel axes in this cylindrical axis and eccentric cylinder hole, and the outer wall of moulding patrix 1 lower end is provided with circumferential boss 9.The upper end of drift 5 is that cylinder, lower end are circular cone, and the diameter of circular cone maximum is confirmed by the diameter in workpiece centre hole.
As shown in Figure 3, stripper ring 3 is a T shape cylinder, has formed the larger diameter end 3a and the smaller diameter end 3b of stripper ring 3, and a cylindrical hole coaxial with stripper ring 3 arranged in the stripper ring 3.
As shown in Figure 2, during installation, drift 5 is coaxial with the cylindrical hole in the moulding patrix 1, and shaping patrix 1 wraps in outside the drift 5; Stripper ring 3 is coaxial with shaping patrix 1, with stripper ring 3 kinks on shaping patrix 1; Stripper ring 3 falls by deadweight, and the circumferential boss 9 that shaping patrix 1 lower end outer wall is provided with can make stripper ring 3 behind plane on the circumferential boss 9 that contacts shaping patrix 1, stop to fall; After going here and there drift 5, moulding patrix 1 and stripper ring 3 well, again drift 5 is installed on the forcing press.
Moulding counterdie 2 links to each other with fixed bearing 7 under being positioned at it, is arranged with 3-4 fixed bearing 7 that becomes circle distribution at forming lower die 2, forming lower die 2 transfixion all the time when the hot pressing workpiece.One cylindrical hole is arranged in the moulding counterdie 2, and the diameter of this cylindrical hole is less than the major diameter of stripper ring 3, greater than the minor diameter of stripper ring 3.During installation, this cylindrical hole is coaxial with said stripper ring 3, and when guaranteeing that stripper ring 3 falls, its larger diameter end 3a drops on forming lower die 2 upper surfaces, and its smaller diameter end 3b inserts in the gap between said forming lower die 2 and the shaping patrix 1.
Flange die 4 is positioned at said shaping patrix 1 time, and its upper end is stretched in the moulding counterdie 2, and this flange die 4 links to each other with pneumatic supporting 8 be positioned at it under, is arranged with the pneumatic supporting 8 of 3-4 one-tenth circle distribution at flange die 4.
After installing composite die, the plate workpiece 6 that has centre bore that heats is shelved on the forming lower die 2, shaping patrix 1 presses down under the effect of forcing press with drift 5 simultaneously; Stripper ring 3 falls with shaping patrix 1 by deadweight; Drift 5 is contact workpiece 6 at first, workpiece 6 distortion under the pressure effect of drift 5 and shaping patrix 1, and drift 5 lower end circular cones pass the centre bore of workpiece 6; Stop to fall behind the plane on the stripper ring 3 contact forming lower dies 2; Shaping patrix 1 continues to press down with drift 5, when be depressed into flange die 4 on the spacing on plane during just for the thickness of workpiece 6, flange die 4 stops shaping patrixes 1 to continue to press down; Pull limit 11 equal diameters in the cylindrical hole diameter of forming lower die 2 and the workpiece 6, the cylindrical hole diameter of flange die 4 and workpiece 6 outer limit 12 equal diameters of pulling lean on forming lower die 2 and flange die 4 to be shaped simultaneously pulling the limit in the workpiece 6 and pulling the limit outward; After the shaping, workpiece 6 is bonded together with shaping patrix 1, unloads the drift 5 on the press, and it is up with moulding patrix 1 that edge die 4 drive workpiece 6 are upwards overthrown in pneumatic supporting 8, and drift 5 keeps motionless.Pull limit 11 in the workpiece 6 and tilt to axis because of being heated, the plane at first contacts the lower limb of stripper ring 3 on the workpiece 6, and the gravity of stripper ring 3 is equivalent to workpiece 6 has been applied resistance, makes workpiece 6 automatic and shaping patrix 1 disengagements, has realized automatic demoulding.
For implementing to invent better; Low inside and high outside tapered plane is arranged on the last plane of shaping patrix 1 circumferential boss 9; Relatively thin straight plane more is prone to processing, can not fracture because of root is too thin, and the straightway applying of pulling limit 11 in the side that can avoid circumferential boss 9 equally and the workpiece 6 causes the demoulding to have certain difficulty; Correspondingly, the lower plane of stripper ring 3 is arranged to and the circumferential consistent tapered plane of last plane gradient of boss 9.
Should invent for further implementing better, moulding patrix 1 is provided with radial hole 10 with drift 5, and available holding pin couples together shaping patrix 1 and drift 5.Moulding patrix 1 is inconsistent because of the off-centre wall thickness, for alleviating the weight of shaping patrix 1, at the heavy wall place cavity 13 can be set.
Claims (3)
1. a boiler smoke-box tube sheet hot forming compound die comprises shaping patrix (1) and forming lower die (2), it is characterized in that: also comprise stripper ring (3), flange die (4) and drift (5);
Said shaping patrix (1) is a cylinder, and the cylindrical hole of an off-centre is arranged in this shaping patrix (1), the parallel axes in said cylindrical axis and eccentric cylinder hole, and the outer wall of said shaping patrix (1) lower end is provided with circumferential boss (9);
Said stripper ring (3) is a T shape cylinder, and this stripper ring (3) kink is at shaping patrix (1) outer wall;
Said forming lower die has a cylindrical hole in (2); When stripper ring (3) with shaping patrix (1) when falling; Its larger diameter end (3a) drops on forming lower die (2) upper surface; Its smaller diameter end (3b) is inserted in the gap between said forming lower die (2) and the shaping patrix (1), and the below of this forming lower die (2) is equipped with fixed bearing (7);
Said flange die (4) is a cylinder; This flange die (4) is positioned at shaping patrix (1) below; Its upper end is stretched in said forming lower die (2) cylindrical hole; This flange die (4) below is equipped with pneumatic supporting (8), in this flange die (4) cylindrical hole is arranged, and this cylindrical hole is coaxial with the cylindrical hole of shaping patrix (1);
Said drift (5) upper end is a circular cone for cylinder, lower end; The dead in line of axis of this drift (5) and moulding patrix (1) cylindrical hole; Intert in the cylindrical hole of shaping patrix (1) with shaping patrix (1) when pressing down when its upper end, the circular cone of its lower end passes flange die (4).
2. according to the described boiler smoke-box of claim 1 tube sheet hot forming compound die, it is characterized in that: the last plane of said circumferential boss (9) is low inside and high outside tapered plane, and the lower plane of said stripper ring (3) is parallel with this tapered plane.
3. according to claim 1 or 2 described boiler smoke-box tube sheet hot forming compound dies; It is characterized in that: on described drift (5) and the shaping patrix (1) radial hole (10) is arranged, pin passes this radial hole (10) and links together described drift (5) and shaping patrix (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226597 CN102327960B (en) | 2010-07-14 | 2010-07-14 | Hot-pressing forming compound die for boiler smoke chamber pipe plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226597 CN102327960B (en) | 2010-07-14 | 2010-07-14 | Hot-pressing forming compound die for boiler smoke chamber pipe plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102327960A true CN102327960A (en) | 2012-01-25 |
| CN102327960B CN102327960B (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010226597 Expired - Fee Related CN102327960B (en) | 2010-07-14 | 2010-07-14 | Hot-pressing forming compound die for boiler smoke chamber pipe plate |
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| Country | Link |
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| CN (1) | CN102327960B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043736A (en) * | 2014-06-25 | 2014-09-17 | 梧州恒声电子科技有限公司 | Flanging die of fixing frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934168A (en) * | 1989-05-19 | 1990-06-19 | Continental Can Company, Inc. | Die assembly for and method of forming metal end unit |
| CN2222017Y (en) * | 1995-05-03 | 1996-03-13 | 华中理工大学 | Die for pipe working |
| JPH10263721A (en) * | 1997-03-24 | 1998-10-06 | Amada Co Ltd | Punching die |
| CN2504009Y (en) * | 2001-09-12 | 2002-08-07 | 中国石化集团齐鲁石油化工公司 | 90 deg. turnup mould for smoke duct |
| CN101323078A (en) * | 2007-06-11 | 2008-12-17 | 潮安县粤宇五金制品有限公司 | Method for processing ring extension of cooker |
| CN201720337U (en) * | 2010-07-14 | 2011-01-26 | 重庆重锅锅炉有限公司 | Boiler tube plate hot-pressing compound die |
-
2010
- 2010-07-14 CN CN 201010226597 patent/CN102327960B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934168A (en) * | 1989-05-19 | 1990-06-19 | Continental Can Company, Inc. | Die assembly for and method of forming metal end unit |
| CN2222017Y (en) * | 1995-05-03 | 1996-03-13 | 华中理工大学 | Die for pipe working |
| JPH10263721A (en) * | 1997-03-24 | 1998-10-06 | Amada Co Ltd | Punching die |
| CN2504009Y (en) * | 2001-09-12 | 2002-08-07 | 中国石化集团齐鲁石油化工公司 | 90 deg. turnup mould for smoke duct |
| CN101323078A (en) * | 2007-06-11 | 2008-12-17 | 潮安县粤宇五金制品有限公司 | Method for processing ring extension of cooker |
| CN201720337U (en) * | 2010-07-14 | 2011-01-26 | 重庆重锅锅炉有限公司 | Boiler tube plate hot-pressing compound die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043736A (en) * | 2014-06-25 | 2014-09-17 | 梧州恒声电子科技有限公司 | Flanging die of fixing frame |
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| Publication number | Publication date |
|---|---|
| CN102327960B (en) | 2013-02-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401336, No. 7, machinery and electrical branch, Nan'an District, Chongqing Patentee after: Chongqing Chongguo Energy Technology Co., Ltd. Address before: 401336, No. 7, machinery and electrical branch, Nan'an District, Chongqing Patentee before: Chongqing Chongguo Boiler Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20200714 |