CN106345860B - Active processing unit (plant) and bent plate forming method is adjusted for the processing of ship bent plate - Google Patents
Active processing unit (plant) and bent plate forming method is adjusted for the processing of ship bent plate Download PDFInfo
- Publication number
- CN106345860B CN106345860B CN201610728451.6A CN201610728451A CN106345860B CN 106345860 B CN106345860 B CN 106345860B CN 201610728451 A CN201610728451 A CN 201610728451A CN 106345860 B CN106345860 B CN 106345860B
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- Prior art keywords
- bent plate
- ship
- outer framework
- pressure head
- lead screw
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/02—Die constructions enabling assembly of the die parts in different ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
Abstract
Active processing unit (plant) being adjusted for the processing of ship bent plate the invention discloses a kind of, upper die including arrangement symmetrical above and below and lower die, the upper die and lower die respectively include at least one cell cube, each cell cube includes outer framework and lead screw, the lead screw is equipped with more, it is arranged side by side on the outer framework and can be moved up and down relative to the outer framework, one end of the every lead screw is hinged with the flexible pressure head, and the adjacent flexible pressure head is flexibly connected to form chain structure.The above-mentioned adjustable molding method of movable processing unit (plant) bent plate is utilized the present invention also provides a kind of.The present invention can meet the processing and fabricating requirement of the larger initial and tail sections ship hull plate of Curvature varying, structure type is simple and practical, convenient for disassembly and assembly, repeats and utilizes, applied widely by being provided with the cell cube of flexible pressure head.
Description
Technical field
The present invention relates to a kind of shipbuilding tooling and forming methods, are to be related to one kind being used for ship more specifically
Active processing unit (plant) and bent plate forming method is adjusted in bent plate processing.
Background technology
The forming of ship hull plate is one of process the most complicated in hull manufacture all the time, and what is shaped is good
It is bad to directly influence ship performance.
At present for the processing of initial and tail sections complexity outside plate, usually using three core rollers or hydraulic press bending forming, and such as ship
The outside plate of the two-way curvatures such as bow, the sail panel of stern, saddle plate must be on the basis of carrying out unidirectional roll bending again to curvature compared with general orientation
Flame forming plate is carried out on the another direction smaller to curvature, flame forming plate is to carry out local heating by heat source, while heating
Water cooling is poured at place, and plank is made to achieve the effect that local deformation because expanding with heat and contract with cold.This be at present both at home and abroad shipyard generally use plus
The method of work Double curve degree ship hull plate, however this manufacturing process forming quality is poor, if overprocessing is easy to influence material
Can, low production efficiency, the experience for relying primarily on labourer slowly completes.Its mode of production falls behind, and is in Modern Shipbuilding industry
Technical bottleneck.
In order to meet special material processing request in high-tech product, it is desirable that avoid extreme misery from processing, then must make dedicated
Processing mold, but since the mold of manufacture is not general relatively simple, if quantity is more, cost of manufacture is expensive, is not suitable for small
The flexible production of batch, and occupy and stack place, so being all one of the problem for hindering shipbuilding efficiency to improve all the time.
Invention content
In view of the foregoing deficiencies of prior art, the invention solves first technical problem be to provide a kind of use
Active processing unit (plant) is adjusted in the processing of ship bent plate, can need freely to be combined and dismount according to processing, song can be met
The processing and fabricating requirement for the initial and tail sections ship hull plate that rate changes greatly.
To achieve the above object, the present invention provides a kind of active processing unit (plant) that is adjusted for the processing of ship bent plate, packet
The upper die and lower die of arrangement symmetrical above and below are included, the upper die and lower die respectively include at least one cell cube, each
The cell cube includes outer framework and lead screw, and the lead screw is equipped with more, is arranged side by side on the outer framework and can be relative to
The outer framework moves up and down, and one end of the every lead screw is connected with the flexible pressure head, and the adjacent flexible pressure head is soft
Property connects to form chain structure.
Preferably, the cell cube is equipped with two or more, front and back to be arranged side by side, and the adjacent cell cube, which is fixed, to be connected
It connects.
Preferably, the side on the vertical beam of the outer framework is equipped with convex block, and the other side opens up fluted, the convex block insertion
In the groove of the adjacent outer framework.
Preferably, the adjacent outer framework is fixedly connected by first bolt, and the vertical beam is equipped with the first spiral shell
Keyhole, the convex block are equipped with the second bolt hole, the first bolt hole and adjacent outer framework described in first screw bolt passes
The second bolt hole.
Preferably, the lead screw passes through the crossbeam of the outer framework and by nut check on the outer framework, described
Lead screw is threadedly coupled with the crossbeam.
Preferably, one end of the lead screw is installed with attachment device, the lead screw can the rotation of relative flexibility pressure head, it is described soft
Property pressure head is by third bolted splice in the attachment device.
Preferably, the attachment device includes fixed part, fastener and connector, and the fixed part is installed in the lead screw
End, the connector is fixed on by fastener on the fixed part.
Preferably, the fixed part is equipped with circular link slot, and the connector includes ontology and rotation section, described
Body passes through the fastener and is hinged on the flexible pressure head, and the rotation section is rotatably positioned in the link slot, institute
Fastener is stated to be fixedly connected by the 4th bolt with the connector.
Preferably, one end of the flexible pressure head is equipped with interconnecting piece, and the other end is equipped with link slot, and the interconnecting piece passes through the
Four bolted splices are in the link slot of adjacent flexible pressure head.
The invention solves second technical problem be to provide a kind of utilize for the adjustable of ship bent plate processing
The active molding method of processing unit (plant) bent plate, comprises the steps of：
S1, the combination of multiple cell cubes is respectively formed upper die and lower die；
S2, tune type curvature is set according to the line style of model, adjusts separately each flexible pressure on the upper die and lower die
First 6 position；
S3, the upper die and lower die are mounted on the engine base of hydraulic press；
S4, ship bent plate is hung in pressing mold, starts hydraulic press, by upper die and lower die to the ship bent plate pressure
Type carries out pressurize after die mould, until the springback capacity of ship bent plate is less than setting value；
S5, it releases stress, detects every numerical value of the ship bent plate；
S6, according to the testing result of step S5, adjust separately on the upper die and lower die corresponding flexibility pressure head
Position, to meet the line style requirement of ship bent plate；
S7, step S4 to S6 is repeated, until every numerical value of ship bent plate meets the requirements.
Preferably, in step S4, according to the difference of the used material springback capacity of ship bent plate, ship bent plate it is upper and lower
The curvature for type of setting the tone set by type face is 1.2-1.5 times of final molding curvature.
As described above, of the present invention be adjusted active processing unit (plant) and bent plate molding side for the processing of ship bent plate
Method has the advantages that：By being provided with the cell cube of flexible pressure head, it can be lengthened and be shortened as needed, be added
The offset of adjustable pressing mold is adjusted in working hour, so that it may to process the exterior panel of different curvatures, be not required to as each block of plate
A dedicated pressing mold is manufactured, is suitble to the single-piece work of ship-related products, the larger initial and tail sections ship hull plate of Curvature varying can be met
Processing and fabricating requirement, structure type is simple and practical, convenient for disassembly and assembly, repeats and utilizes, applied widely.It is closed according to the coefficient of resilience
Reason ground adjusts pressing mold crooked radian multiplying power, the suitable pressure of selection and dwell time in compacting, the case where not damaging base material
Under, machine-shaping effect can be further increased.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of cell cube.
Fig. 3 is the structural schematic diagram that flexible pressure head is connect with connector.
Fig. 4 is the decomposition texture schematic diagram of attachment device.
Fig. 5 is the structural schematic diagram of attachment device.
Fig. 6 is the structural schematic diagram of flexible pressure head.
Fig. 7 is the dimensional structure diagram of the present invention.
Component label instructions
1 upper die
2 lower dies
3 cell cubes
4 outer frameworks
41 crossbeams
42 vertical beams
421 first bolts hole
43 convex blocks
431 second bolts hole
44 grooves
45 first bolts
5 lead screws
51 nuts
52 attachment devices
53 third bolts
54 fixed parts
541 link slots
55 fasteners
56 connectors
561 ontologies
562 rotation sections
57 second bolts
6 flexible pressure heads
61 interconnecting pieces
62 link slots
63 the 4th bolts
7 ship bent plates
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating specification to be taken off
The content shown is not limited to the enforceable qualifications of the present invention so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, the range that can cover in disclosed technology contents should all be still fallen
It is interior.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term, be merely convenient to describe
Be illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and technology is being changed without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
Shown in as shown in Figure 1 and Figure 7, the present invention provides a kind of adjustable active processing dress for the processing of ship bent plate
It sets, including upper die 1 and lower die 2, the upper die 1 is identical with 2 general structure of lower die, is arranged symmetrically on pedestal, makes
Used time upper die 1 and lower die 2 are located at the both sides up and down of ship bent plate 7.As depicted in figs. 1 and 2,1 He of the upper die
Lower die 2 respectively includes at least one cell cube 3, the cell cube 3 can be arranged one, two or more, it is each described
Cell cube 3 includes an outer framework 4 and multi-filament bar 5, and the more lead screws 5 pass through the outer framework 4 and can be relative to side by side
The outer framework 4 moves up and down, and one end of the every lead screw 5 is hinged with the flexible pressure head 6, the adjacent flexible pressure head
6 flexible connections form chain structure, and when work adjusts the position of flexible pressure head 6 by mobile lead screw 5, makes 1 He of the upper die
The shape of lower die 2 can meet the sample box value of bent plate, and the lead screw 5 is locked on the outer framework 4 after adjustment.
As depicted in figs. 1 and 2, it is preferable that the cell cube 3 is equipped with two or more, front and back to be arranged side by side, adjacent institutes
Cell cube 3 is stated to be fixedly connected.Preferably, the side on the vertical beam 42 of the outer framework 4 is equipped with convex block 43, and the other side offers recessed
Slot 44, the convex block 43 are embedded in the groove 44 of the adjacent outer framework 4.Preferably, the adjacent outer framework 4 passes through
First bolt 45 is fixedly connected, and the vertical beam 42 is equipped with the first bolt hole 421, and the convex block 43 is equipped with the second bolt
Hole 431, first bolt 45 sequentially pass through the second bolt hole 431 of first bolt hole 421 and adjacent outer framework 4, make
The adjacent outer framework 4 can be connected reliably.As depicted in figs. 1 and 2, it is preferable that the lead screw 5 passes through the outer framework 4
Crossbeam 41 and be locked on the outer framework 4 by nut 51, the lead screw 5 is threadedly coupled with the crossbeam 41.
As shown in Figures 1 to 6, it is preferable that one end of the lead screw 5 is installed with attachment device 52, the attachment device 52
For connection wire rod 5 and flexible pressure head 6, the lead screw 5 can relative flexibility pressure head 6 rotate, the flexibility pressure head 6 passes through third spiral shell
Bolt 53 is hinged in the attachment device 52.Preferably, the attachment device 52 includes fixed part 54, fastener 55 and connector
56, the fixed part 54 is installed in the end of the lead screw 5, and the connector 56 is fixed on the fixed part by fastener 55
On 54.Preferably, the fixed part 54 is equipped with circular link slot 541, and the connector 56 includes ontology 561 and rotation section
562, the ontology 561 passes through the fastener 55 and is hinged on the flexible pressure head 6, and the rotation section 562 is rotationally
In the link slot 541, the fastener 55 is fixedly connected with the connector 56 by the second bolt 57, the rotation
The diameter in portion 562 is more than the diameter of the through-hole of the fastener 55, and the diameter of the rotation section 562 is less than the link slot 541
Diameter.When work, rotary screw 5 makes it move up and down, the rotation in the link slot 541 of the rotation section 562, while by
Being moved up and down in the lead screw 5 drives the position of the flexible pressure head 6 to change.
As shown in Figure 6, it is preferable that one end of the flexibility pressure head 6 is equipped with interconnecting piece 61, and the other end is equipped with link slot 62,
The interconnecting piece 61 is hinged on by the 4th bolt 63 in the link slot 62 of adjacent flexible pressure head 6.As shown in Figure 2, it is preferable that institute
The one end for stating lead screw 5 is hinged with the flexible pressure head 6, and the other end is equipped with interior screw socket, interior screw socket is arranged, tool is easy to use to adjust
The position of lead screw 5.
A kind of mounting means of the present invention is given below：
Lead screw 5 with nut 51 is passed perpendicularly through outer framework 4 by the installation for carrying out single unit body 3 first, and top is packed into
Attachment device 52, and fastener 55 is fixed with the connector 56 by the second bolt 57, by flexible pressure head 6 and attachment device
52 are connected by third bolt 53, are installed other lead screws 5 and flexible pressure head 6 with above-mentioned steps, are connected with the 4th bolt 63 adjacent
Flexible pressure head 6 form chain structure, according to sample case or model it is curved require by the interior screw socket turn lead screw 5 on lead screw 5 into
Row adjusts shape, and tightening nut 51 is locked after the completion.Each unit body 3 is subjected to tune shape successively, adjacent cell cube 3 is passed through
One bolt 45 is fixedly connected with combination and forms upper die 1 or lower die 2.
The present invention also to provide it is a kind of utilize for ship bent plate processing be adjusted active processing unit (plant) bent plate it is molding
Method comprises the steps of：
S1, the combination of multiple cell cubes 3 is respectively formed upper die 1 and lower die 2；
S2, tune type curvature is set according to the line style of model, adjusted separately each flexible on the upper die 1 and lower die 2
The position of pressure head 6；
S3, the upper die 1 and lower die 2 are mounted on the engine base of hydraulic press；
S4, ship bent plate 7 is hung in pressing mold, starts hydraulic press, by upper die 1 and lower die 2 to ship song
7 die mould of plate carries out pressurize after die mould, until the springback capacity of ship bent plate 7 is less than setting value；
S5, it releases stress, detects every numerical value of the ship bent plate 7；
S6, according to the testing result of step S5, adjust separately on the upper die 1 and lower die 2 corresponding flexibility pressure head 6
Position, with meet ship bent plate 7 line style requirement；
S7, step S4 to S6 is repeated, until every numerical value of ship bent plate 7 meets the requirements.
Preferably, in step S4, according to the difference of the used material springback capacity of ship bent plate 7, ship bent plate 7 it is upper,
The curvature for type of setting the tone set by mo(u)ld bottom half face is 1.2-1.5 times of final molding curvature.
It is presented below a kind of using active processing unit (plant) is adjusted, carry out the embodiment of compression moulding Double curve degree plate：
S1, the curved swaging shape according to ship bent plate 7, select its vertical or horizontal Curvature varying large area in three roller roll bendings
Roll bending is carried out in machine, to improve processing efficiency, prevent the edge of ship bent plate 7 from generating waveform fold.
S2, according to the size of ship bent plate 7, the combination of multiple cell cubes 3 is respectively formed upper die 1 and lower die 2,
Blending bolt is fastened.
S3, tune type curvature is set according to the line style of model, adjusted separately each flexible on the upper die 1 and lower die 2
The position of pressure head 6 needs the appropriate increasing of difference according to the used material springback capacity of ship bent plate 7 during setting tune type curvature
Add tune type curvature.
S4, the upper die 1 that tune type in step S3 is finished and lower die 2 are mounted on the engine base of hydraulic press.
S5, ship bent plate 7 to be processed is hung in pressing mold, after accurate positionin, starts hydraulic press, pass through 1 He of upper die
Lower die 2 carries out pressurize to 7 die mould of ship bent plate after die mould, and 5~10 points of pressure is kept after general each die mould
Clock recycles No. five die moulds, then improves the pressure of hydraulic press, carries out the 6th time and the 7th time die mould, is kept after each die mould
Pressure 5~10 minutes, the sizing of ship bent plate 7 is more advantageous to using pressure holding step, and rebound is smaller.Due to pressing ship bent plate 7
After type, the inside of ship bent plate 7 generates stress, by improving pressure, may gradually reduce stress, it is ensured that after 7 die mould of ship bent plate
Line style and hardness, and the pressure of single die mould cannot be excessive, prevents the ship bent plate 7 cracked.
S6, it releases stress, detects every numerical value of the ship bent plate 7, mainly the shape of ship bent plate 7 is examined
It surveys.
S7, according to the testing result of step S5, adjust separately on the upper die 1 and lower die 2 corresponding flexibility pressure head 6
Position, with meet ship bent plate 7 line style requirement；
S8, step S5 to S7 is repeated, until every numerical value of ship bent plate 7 meets the requirements.
Preferably, in above-mentioned forming method, consider bent plate forming quality and curved surface more fairing, it is active be adjusted
The number of processing unit (plant) appropriate cell cube 3 when combining.In above-mentioned forming method, since the structure of cell cube 3 is limited, it can not incite somebody to action
The disposable die mould fairing in edge of ship bent plate 7, therefore can gradually be corrected with hydraulic press after die mould.
The configuration of the present invention is simple, it is easy to make, it is of low cost, it repeats and utilizes, save energy consumption, and can be according to actual requirement
It is combined and shape is adjusted to go out the processing request that various curve forms meet various different ship hull plates, use scope is wider.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. a kind of being adjusted active processing unit (plant) for the processing of ship bent plate, which is characterized in that including arrangement symmetrical above and below
Upper die (1) and lower die (2), the upper die (1) and lower die (2) respectively include at least one cell cube (3), Mei Gesuo
It includes outer framework (4) and lead screw (5) to state cell cube (3), and the lead screw (5) is equipped with more, is arranged side by side in the outer framework (4)
It can move up and down above and relative to the outer framework (4), one end of the every lead screw (5) connects flexible pressure head (6), adjacent
The flexible pressure head (6) be flexibly connected and form chain structure；The lead screw (5) passes through the crossbeam (41) of the outer framework (4)
And be locked on the outer framework (4) by nut (51), the lead screw (5) is threadedly coupled with the crossbeam (41)；The silk
One end of bar (5) is installed with attachment device (52), the lead screw (5) can relative flexibility pressure head (6) rotation, the flexibility pressure head
(6) it is hinged in the attachment device (52) by third bolt (53)；The attachment device (52) includes fixed part (54), tight
Firmware (55) and connector (56), the fixed part (54) are installed in the end of the lead screw (5), and the connector (56) passes through
Fastener (55) is fixed on the fixed part (54)；The fixed part (54) is equipped with circular link slot (541), the company
Fitting (56) includes ontology (561) and rotation section (562), and the ontology (561) passes through the fastener (55) and is hinged on institute
State on flexible pressure head (6), the rotation section (562) is rotatably positioned in the link slot (541), the fastener (55) with
The connector (56) is fixedly connected by the second bolt (57).
2. according to claim 1 be adjusted active processing unit (plant) for the processing of ship bent plate, it is characterised in that：It is described
Cell cube (3) be equipped with it is two or more, it is front and back be arranged side by side, the adjacent cell cube (3) is fixedly connected.
3. according to claim 2 be adjusted active processing unit (plant) for the processing of ship bent plate, it is characterised in that：It is described
Side on the vertical beam (42) of outer framework (4) is equipped with convex block (43), and the other side opens up fluted (44), and the convex block (43) is embedded
In the groove (44) of the adjacent outer framework (4).
4. according to claim 3 be adjusted active processing unit (plant) for the processing of ship bent plate, it is characterised in that：It is adjacent
The outer framework (4) be fixedly connected by the first bolt (45), the vertical beam (42) be equipped with the first bolt hole (421), institute
State convex block (43) be equipped with the second bolt hole (431), first bolt (45) sequentially pass through first bolt hole (421) and
The second bolt hole (431) of adjacent outer framework (4).
5. a kind of being adjusted active processing unit (plant) bent plate using claim 1-4 any one of them for the processing of ship bent plate
Molding method, comprises the steps of：
S1, multiple cell cubes (3) combination is respectively formed upper die (1) and lower die (2)；
S2, tune type curvature is set according to the line style of model, adjusted separately each flexible on the upper die (1) and lower die (2)
The position of pressure head (6)；
S3, the upper die (1) and lower die (2) are mounted on the engine base of hydraulic press；
S4, ship bent plate (7) is hung in pressing mold, starts hydraulic press, by upper die (1) and lower die (2) to the ship
Bent plate (7) die mould carries out pressurize after die mould, until the springback capacity of ship bent plate (7) is less than setting value；
S5, it releases stress, detects every numerical value of the ship bent plate (7)；
S6, according to the testing result of step S5, adjust separately on the upper die (1) and lower die (2) corresponding flexibility pressure head
(6) position, to meet the line style requirement of ship bent plate (7)；
S7, step S4 to S6 is repeated, until every numerical value of ship bent plate (7) meets the requirements.
6. wanting the molding method of the bent plate described in 5 according to right, it is characterised in that：In step S2, according to the institute of ship bent plate (7)
Using the difference of material springback capacity, the curvature for type of setting the tone set by the upper and lower type face of ship bent plate (7) is final molding curvature
1.2-1.5 again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728451.6A CN106345860B (en) | 2016-08-25 | 2016-08-25 | Active processing unit (plant) and bent plate forming method is adjusted for the processing of ship bent plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728451.6A CN106345860B (en) | 2016-08-25 | 2016-08-25 | Active processing unit (plant) and bent plate forming method is adjusted for the processing of ship bent plate |
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| Publication Number | Publication Date |
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| CN106345860A CN106345860A (en) | 2017-01-25 |
| CN106345860B true CN106345860B (en) | 2018-11-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108380712A (en) * | 2017-12-29 | 2018-08-10 | 宁波昌扬机械工业有限公司 | The stepless regulated bending machine of intelligent numerical control |
| CN109500165A (en) * | 2018-11-16 | 2019-03-22 | 宁波港瑞汽车零部件有限公司 | A kind of vehicle dormer window crossbeam bend hydraulic press |
| CN110588050A (en) * | 2019-09-17 | 2019-12-20 | 南京工程学院 | High-speed rail/subway door curing molding flexible mold |
| CN110918769B (en) * | 2019-11-22 | 2020-09-15 | 中南大学 | Creep age forming method based on mechanical loading |
| CN111266450A (en) * | 2020-02-17 | 2020-06-12 | 王成科 | Non-mould multi-point forming mould for forming computer mainboard |
| CN113460264B (en) * | 2021-06-25 | 2022-06-17 | 沪东中华造船(集团)有限公司 | Ship curved plate die assembly and die assembly method |
| CN115178982B (en) * | 2022-08-16 | 2023-07-25 | 中船黄埔文冲船舶有限公司 | Ship and processing method of curved plate thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE29908237U1 (en) * | 1999-05-07 | 1999-07-29 | Stade Umformtechnik Gmbh | Tool for the production of irregularly curved sheets |
| CN101549377B (en) * | 2009-03-12 | 2011-01-12 | 泰安市硕力液压设备厂 | Curved surface forming device for adjustable segmented mold board of square rams |
| CN102233383A (en) * | 2010-04-27 | 2011-11-09 | 江南造船(集团)有限责任公司 | Multi-column regulation type pressing die and method for forming titanium alloy double-curvature plate by using same |
| CN102205366B (en) * | 2010-11-15 | 2012-09-05 | 吉林大学 | Flexible stretch-forming device capable of reconstructing one-way continuous die surface |
| CN102728695A (en) * | 2012-07-15 | 2012-10-17 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Multipoint moldless hydraulic bulge forming process and multipoint moldless hydraulic bulge forming device |
| CN104646475B (en) * | 2015-03-05 | 2016-06-29 | 吉林大学 | Aluminium alloy aircraft integral panel multi-point forming method |
| CN105478539B (en) * | 2015-12-29 | 2017-09-15 | 哈尔滨工业大学（威海） | Sheet material multiple spot progressive molding device |
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