CN1003776B - Forming method and device of multi-wave node plate in circular arc with equidistance - Google Patents
Forming method and device of multi-wave node plate in circular arc with equidistance Download PDFInfo
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- CN1003776B CN1003776B CN87100345.7A CN87100345A CN1003776B CN 1003776 B CN1003776 B CN 1003776B CN 87100345 A CN87100345 A CN 87100345A CN 1003776 B CN1003776 B CN 1003776B
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- plate
- comb shape
- shape piece
- circular arc
- equidistance
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention belongs to techniques in the fields of pressure processing and moulds. A mechanical composite mould device is moved vertically by using the bending forming principle by continuous compaction pressing in the forward direction and the reverse direction so as to form an arced equidistant multiwave segmental plate of which the ratio the wave distance to the wave depth is from 0.5 to 0.7:1, and the length of the wave plate ranges 0.3 meter to 5 meters. The present invention is mainly characterized in that a thick plate with the thickness of 0.5 to 5 millimeters can be formed in one piece after being bent by pressing in the forward direction and the reverse direction so as to form the arced equidistant multiwave segmental plate by using the mechanical composite mould device on a common pressing machine. The arced equidistant multiwave segmental plate is suitable for multidirectional expanding and contracting sealing devices.
Description
The present invention is the mechanical compound die device of making the multi-wave node plate in circular arc with equidistance forming method and realizing this method, and it is applicable to the heating surface multidirectional expansion of equipment such as making boiler, metallurgy, chemical industry, the sealing device that shrinks.
The darker joint plate of waveform adopts usually-and the mode of node-Dao suppression process or many node multiple tracks suppression process manufactures.The former (Fig. 2) after sheet material a is placed on counterdie 2 location, is pressed into a node by patrix 1, repeat above-mentioned action after, just can obtain required node quantity.Adopt the major defect of this method to be: labour intensity is big, and production efficiency is low, and pitch is wayward, when particularly suppressing the low material of percentage elongation, more is easy to generate crackle.Moreover, because material is one-sided punching press, causing residual stress distribution inequality behind the node sheet metal forming, node plate metaboly appears, influence result of use.And the latter go out to be willing to disclose (Fig. 3, Fig. 4, Fig. 5) as described in the clear 58-13415 as Japanese Patent Laid, passes through intermeshing a pair of gear 3,4 earlier, at first makes sheet material be rolled into b
1Shape, be squeezed into rectangle joint plate b by mould then
2Fig. 3 represents with gear preformed profile, and sheet material b is rolled into the b1 shape by drive unit driven gear 3,4 with sheet material b among the figure, and the second operation work that is processed into rectangle node plate through the preform plate is the node plate b among Fig. 4
1Crest partly place the top of the comb shape projection (14) of bed die, operation pressure head (5) is to increased pressure board (6) pressurization, patrix comb shape projection (13) inserts b
1Trough and press down, pressure regularly pressurizes by the elastomer (15) between patrix mold (7) and the increased pressure board (6), depression bar (12) is pushed down b
1Left end the time, patrix descends, the spring of two moulds shrinks along leading rod (9,10) and moves, and closes up (Fig. 5) at last.At this moment, roller (8,11) moves upper and lower mould by the direction of arrow, and the pitch between the crest is dwindled, and node deepens.After the moulding action was finished, pressure head (5) was thrown off, and patrix rises, and recovered by the elasticity of spring, along the position of leading before rod (9) returns to processing.
Said method is out of shape and the moulding problem after can overcoming many node sheet metal forming, but combination properties such as the plasticity of sheet material, toughness are required high, and need are rolling, the extruding special equipment satisfies the manufacturing needs, so, the cost of manufacture height of node, complex process is because the restriction of gear rolling is not suitable for making apart from dark than little node.
The object of the invention is to overcome the defective of above-mentioned two kinds of methods, utilizes forward and reverse continuous compacting brake forming principle, adopts mechanical compound die device vertically to move, and once extrudes apart from dark than the multi-wave node plate in circular arc with equidistance that is 0.5～0.7 on ordinary press.
The positive and negative continuous compacting brake forming principle that the present invention adopts is that the sheet metal material is placed on the counterdie, when patrix presses down, at first makes the sheet metal material be subjected to the effect of vertical force, and steel plate is pressed into Baltimore groove (seeing accompanying drawing 7), promptly is subjected to the result of positive pressure.Like this, the sheet metal material is in bending deformation area generation plastic history, and skin bears stretching, and the internal layer pressurized causes cross section generation deformation, and the stretching that is produced, compression stress make and leave part stress in the material.At this moment, buffer brake is forced to apply in center in material Baltimore groove (seeing accompanying drawing 7) zone, Baltimore groove (seeing accompanying drawing 7) zone is developed to plastic deformation with the form that U-shaped connects (seeing accompanying drawing 8), and the stress that compacting Baltimore groove (seeing accompanying drawing 7) zone produces offsets with the power that the compacting U-shaped is connected (seeing accompanying drawing 8).Along with pressing process is proceeded, finally make the equidistant many node compression moulding of circular arc.
Description of drawings:
Fig. 1 is the multi-wave node plate in circular arc with equidistance schematic diagram.L represents length direction among the figure; H represents short transverse; Width is not annotated.
Fig. 2 is in the prior art, processes the schematic diagram of many node plate with node form of a procedure.
Fig. 3 is in the prior art, when multiple working procedure is rolling, with the preformed schematic diagram of gear rolling.
Fig. 4 is in the prior art, mould and sheet material position view after the preformed, before the processing and forming.
Fig. 5 is in the prior art, final molding processing schematic diagram.
Fig. 6 is an one-shot forming machinery composite die device schematic diagram of the present invention.
Fig. 7 is that the present invention begins compression moulding processing schematic diagram.
Fig. 8 is the final compression moulding schematic diagram of the present invention.
After Fig. 9 is compression moulding of the present invention, eject schematic diagram automatically.
Cd among the figure, Cp, Ci are variant formative stage sheet material signals.
Mechanical compound die device of the present invention is to be made of upper and lower mould (Fig. 6) two parts.The top board of part of the upper die (16) is to connect by bolt, be installed on the forcing press moved cross beam fixedly upper mould device, comb shape piece (24) was when moving upward in the middle of spring (17) rose and guarantees patrix, continuation is to the pressuring action of bent plate, patrix fixed block (18), connecting plate (19) in the middle of the patrix, gusset (20), movable cushion block (21) is the effect of when sheet material begins bending comb shape piece (24) in the middle of the patrix being transmitted power, patrix comb shape piece (22), patrix side plate (23), comb shape piece (24) can move up and down the tension spring hook special bolt (25) of part of the lower die in the middle of the patrix, counterdie side plate (26), extension spring (27), location-plate (28) can be regulated the location.Put flitch (29), upward decide piece (30) and can guarantee that the moving comb shape piece (31) of counterdie is synchronous, and be used for spring (34) location.Counterdie moves that comb shape piece (31), deep trouth piece (32), location are put material support (33), groups of springs (34), support pasting board (35), are close to comb shape piece (36), center fixed comb shape piece (37), counterdie movable cushion block (38) can be when plate begins bending, moving comb shape piece effect in the middle of the supporting counterdie.Runner block (39) can guarantee that counterdie moves comb shape piece (31) directed movement, is fixed on the press bench when gusset (40), base plate (41) work.
Implementation process of the present invention: at first adjust upper and lower die clearance, make the gap width equalization.Subsequently, regulate location-plate (28) by the sheet material process, sheet material is put into puts on the material dull and stereotyped (29), but just starting pressure machine, when patrix moves downward, comb shape piece (24) is depressed sheet material when bending to certain geometrical shape (Fig. 7) in the middle of the patrix, patrix temporarily stops to move downward, on, counterdie cushion block (21,38) withdraw from bearing position after, the moving comb shape piece of counterdie is slipped to the bottom, patrix continues to move downward, continue calendering, at this moment, spring (17,34) be compressed, spring (27) is then stretched, and sheet material is just being proceeded in this device, reciprocal flexural deformation.When patrix moves to when coincideing with counterdie, then finish multi-wave node plate in circular arc with equidistance compacting (Fig. 8).After finishing said process, patrix gos up, and is acted on the moving comb shape piece (31) by two groups of springs (27,34), and multi-wave node plate in circular arc with equidistance is ejected (Fig. 9) automatically, promptly finishes entire work process.As repeat above-mentioned action, can obtain apart from deeply than be 0.5～0.7, length is at 0.3 meter～5 meters, the material thickness multi-wave node plate in circular arc with equidistance at 0.5 millimeter～5 millimeters.
Rolled-up stock material 12Cr1MoV of the present invention, 1Cr18Ni9Ti, material thickness=2 millimeter, the high H=80 millimeter of node, 50 millimeters of node spacings, circular arc connects the R=10 millimeter.Upper and lower mould comb shape piece thickness is 20 millimeters, highly be between 120～180 millimeters, material is an alloy tool steel, need through special thermal treatment technology, make comb shape piece case hardness reach HRC48～52, surface smoothness requires between ▽ 7～▽ 10, and the spring in the upper and lower mould all is 62 millimeters of φ, and material is 60Si
2Mn, hardness need reach HRC40～50 after the heat treatment, and wherein HRC is optimum range between 44～48, after critical piece reaches above-mentioned technological requirement, can finish the compacting of multi-wave node plate in circular arc with equidistance.
Great advantage of the present invention is sheet material through the crooked one-shot forming of forward and reverse continuous compacting, and this forming method is simple to operate, the production efficiency height, Forming Quality is good, be applicable to batch process, can be used for wall thickness, node, material difference, the making of shape node plate roughly the same.This node plate can be suppressed with ordinary press, and the multi-wave node plate in circular arc with equidistance that is suppressed is applicable on the sealing device of multidirectional expansion, contraction.
Claims (6)
1, a kind of forming method that is used to suppress multi-wave node plate in circular arc with equidistance, it is characterized in that, pressing process is carried out in two steps, the first step is that patrix moves downward, when middle comb shape piece 24 coincide with the moving comb shape piece 31 of counterdie, the patrix return is extracted upper and lower mould movable cushion block 21,38 out, makes the moving comb shape piece 31 of counterdie be slipped to the end; Second step was that patrix continues to press down, and until all coincideing with counterdie comb shape piece, utilized forward and reverse continuous bend distortion, was pressed into multi-wave node plate in circular arc with equidistance.
2, method according to claim 1 is characterized in that, with the multi-wave node plate in circular arc with equidistance of this method compacting, the ratio of the pitch of waves and the depth of convolution between 0.5～0.7, node plate length between 0.3～5 meter, thickness is between 0.5～5 millimeter.
3, method according to claim 2 is characterized in that, this method is applicable to wall thickness, node difference, shape multi-wave node plate in circular arc with equidistance roughly the same.
4, method according to claim 1, realize that the device of this forming method is made up of upper and lower two parts mould, it is characterized in that patrix is made up of top board 16, spring 17, fixed block 18, middle connecting plate 19, movable cushion block 21, patrix comb shape piece 22, side plate 23, middle comb shape piece 24; Counterdie by tension spring hook special bolt 25, side plate 26, extension spring 27, location-plate 28, put flitch 29, upward decide that piece 30, moving comb shape piece 31, dark runner block 32, location are put material 33, groups of springs 34, support pasting board 35, are close to comb plate, comb joint 36, center fixed comb shape piece 37, counterdie movable block 38, runner block 39, base plate 41 form.
5, device according to claim 4 is characterized in that, the comb shape piece in the upper and lower mould, the case hardness HRC of comb plate, comb joint are between 48～52; Hardness HRC is between 40～50 after the spring heat treatment in the upper and lower mould, and spring diameter is 62 millimeters.
6, device according to claim 4 is characterized in that, mechanical compound die is applicable to wall thickness, node, material difference, shape multi-wave node plate in circular arc with equidistance roughly the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87100345.7A CN1003776B (en) | 1987-01-09 | 1987-01-09 | Forming method and device of multi-wave node plate in circular arc with equidistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87100345.7A CN1003776B (en) | 1987-01-09 | 1987-01-09 | Forming method and device of multi-wave node plate in circular arc with equidistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87100345A CN87100345A (en) | 1988-03-16 |
| CN1003776B true CN1003776B (en) | 1989-04-05 |
Family
ID=4812832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87100345.7A Expired CN1003776B (en) | 1987-01-09 | 1987-01-09 | Forming method and device of multi-wave node plate in circular arc with equidistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1003776B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1384535A1 (en) * | 2002-07-25 | 2004-01-28 | Harald Weigelt | Stripper |
| CN103302179B (en) * | 2013-05-03 | 2015-08-05 | 西安交通大学 | A kind of extruding bending mould of supporting arch paper tinsel of compliant foil gas journal bearing |
| CN104550383B (en) * | 2013-10-29 | 2016-08-17 | 北京精密机电控制设备研究所 | A kind of folding corrugating machine for space flight special type filter element folding net |
| CN105127298A (en) * | 2015-09-18 | 2015-12-09 | 上海东海压力容器制造有限公司 | Die system for machining corrugated plate for AP10000 steam generator dryer |
| CN105127299A (en) * | 2015-09-21 | 2015-12-09 | 上海东海压力容器制造有限公司 | Die system for machining corrugated plate for CAP1000/CAP1400 steam generator dryer |
| CN106424241A (en) * | 2016-09-23 | 2017-02-22 | 卓拓精密工具（苏州）有限公司 | Metal steel belt plate folding machine |
| CN106341011A (en) * | 2016-11-23 | 2017-01-18 | 苏州工业职业技术学院 | Circular compression method for motor enclosure |
| CN111589918B (en) * | 2020-05-25 | 2021-04-13 | 深圳市维鼎精密五金有限公司 | Stamping equipment of wave-shaped radiating fin |
| CN113695438B (en) * | 2021-10-28 | 2022-02-08 | 徐州市通泰交通设施有限公司 | Road traffic guardrail plate forming device and method |
| CN114618943A (en) * | 2022-03-15 | 2022-06-14 | 浙江嘉诚动能科技股份有限公司 | Special mold for forming corrugated plate of evaporator and corrugated forming process |
-
1987
- 1987-01-09 CN CN87100345.7A patent/CN1003776B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN87100345A (en) | 1988-03-16 |
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