CN109304388A - Bending press and method in a kind of curved part mould of hydroforming four - Google Patents
Bending press and method in a kind of curved part mould of hydroforming four Download PDFInfo
- Publication number
- CN109304388A CN109304388A CN201710627501.6A CN201710627501A CN109304388A CN 109304388 A CN109304388 A CN 109304388A CN 201710627501 A CN201710627501 A CN 201710627501A CN 109304388 A CN109304388 A CN 109304388A
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- Prior art keywords
- insert
- lower die
- upper mold
- bending
- press
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
Abstract
The invention discloses bending presses in a kind of curved part mould of hydroforming four comprising upper die and lower die；Wherein, the upper mold is connect with press, and is moved down during press-bending, and there are four bending sections for the surface tool that the upper mold is contacted with workpiece.Correspondingly, the invention also discloses a kind of methods bent using bending press in the above-mentioned curved part mould of hydroforming four to workpiece.Bending press overcomes the problem of part in the prior art is easy to produce mass defect by structure optimization in the curved part mould of hydroforming four.In addition, bending press press bending operation is simple and convenient in the curved part pressing mold of hydroforming four, it is especially suitable for hydroforming automated production, the mass defects such as the curved part quality of hydroforming four obtained is reliable and stable, and no part undercut collapses.
Description
Technical field
The present invention relates to a kind of die device and method more particularly to the die devices and method of a kind of hydroforming.
Background technique
In aircraft, spacecraft and automotive field, mitigate weight to save material and running energy consumption is modern system
Make one of the trend of technology development.A kind of hollow light body structure of manufacture that hydroforming exactly developed in this context
The advanced manufacturing technology of part, the technology had not only improved the strength and stiffness of drip molding, but also had saved material, reduced costs.Liquid
Pressing formation can be divided into fittings hydraulic formation, sheet metal hydroforming, and wherein the most universal with fittings hydraulic formation, the technical requirements
It is intracavitary that straight tube workpiece is put into hydraulic forming mold type after pre-bending, and highly pressurised liquid is passed through in elbow member, passes through highly pressurised liquid
" from inside to outside " active force fits to part on hydraulic forming mold cavity wall, opens mold after pressure release, then liquid
Pressing formation part takes out.In this processing method, the part status quality of pre-bending is often directly influenced zero after hydroforming
The dimensional state of part.
Currently, four curved part routine prebending process methods are by numerical control bilayer in hydroformed part manufacturing process
Mould adds the tradition mode of going for a stroll of moulding clamping to produce.And the prior art has the following problems: part is easy to produce during going for a stroll
Raw mass defect for example wrinkles, and in order to wrinkle resistant, need to change the rapid wears attrition component such as anti-wrinkling mould, increase cost；In addition, in liquid
Need individually to increase in pressing formation process layout numerical-controlled bending equipment progress so that the prior art have process layout it is unreasonable and
The excessively high problem of process costs.
Summary of the invention
One of the objects of the present invention is to provide bending press in a kind of curved part mould of hydroforming four, the hydroformings four
Bending press overcomes the problem of part in the prior art is easy to produce mass defect by structure optimization in curved part mould.This
Outside, bending press press bending operation is simple and convenient in the curved part pressing mold of hydroforming four, is especially suitable for the automatic metaplasia of hydroforming
It produces, the mass defects such as the curved part quality of hydroforming four obtained is reliable and stable, and no part undercut collapses.
To achieve the goals above, the invention proposes bending presses in a kind of curved part mould of hydroforming four comprising
Upper die and lower die；
Wherein, the upper mold is connect with press, and is moved down during press-bending, the surface that the upper mold is contacted with workpiece
Have there are four bending section, the upper mold includes:
Upper die base；
Insert is bent in upper mold end, is fixed at the both ends end of the upper die base；
Insert is bent among upper mold, is set to upper mold end and is bent between insert；
Insert driving element is bent among upper mold, is connect with insert is bent among the upper mold, to drive among upper mold
It bends insert and bends insert protrusion or retraction relative to upper mold end；
Wherein, the lower die includes:
Lower die base；
Lower die end is fixed to bend insert, is fixed at the both ends end of the lower die base；
It is fixed among lower die to bend insert, be set to that lower die end is fixed to bend among insert, and be fixed at it is described under
On mold base；
Lower die end float bends insert, is correspondingly arranged at solid among the fixed press-bending insert in each lower die end and lower die
Between the curved insert of level pressure；
Lower die end float bends insert driving element, bends insert with the lower die end float and connect, with driving
Lower die end float bends insert relative to the fixed press-bending insert protrusion in lower die end or retraction.
Course of work when bending part to bending press in the curved part mould of hydroforming four of the present invention is made into one
Step explanation:
When work, in the state that lower die end float bends insert and protrudes relative to the fixed press-bending insert in lower die end,
Straight tube workpiece is placed in lower die end float to bend in insert；
Insert is bent among upper mold and bends insert protrusion relative to upper mold end, and in this case, press drives upper mold court
Lower die feeding push, until upper mold among bend insert contact straight tube workpiece；
Press drives upper mold to continue to push, until the lower pressure F1 constantly increased is greater than lower die end float and bends insert institute
The critical pressure F2 that can be born；
Press drives upper mold to continue to push, and lower die end float bends insert and bends insert driving member in lower die end float
It bounces back under the driving of part, until being completely retracting in lower die；
Press drives upper mold to continue to push, until the lower pressure F1 constantly increased is greater than press-bending insert among upper mold and can hold
The critical pressure F3 received, upper mold centre bends and bounces back under the driving that insert bends insert driving element among upper mold, until upper
Mould and lower die mold completely, complete press bending process.
Further, in the curved part mould of hydroforming four of the present invention in bending press, the upper mold further includes
Insert side baffle is bent among upper mold, is set among upper mold and is bent the side of insert.
Further, in the curved part mould of hydroforming four of the present invention in bending press, edge is bent among upper mold
Block side baffle is equipped with pin hole, is bent in insert among the corresponding upper mold and also is provided with pin hole, spacer pin corresponding inserted is in upper
It is bent among mould in the corresponding pin hole for bending insert among insert side baffle pin hole and upper mold, bends insert among upper mold to position
The relative position of insert is bent among side baffle and the upper mold.
Further, in the curved part mould of hydroforming four of the present invention in bending press, the lower die further includes
Be fixed at the fixed limit plate bent in insert in lower die end, the limit plate to lower die end float bend insert relative to
The fixed stroke for bending insert protrusion in lower die end is limited.
Further, in the curved part mould of hydroforming four of the present invention in bending press, the upper mold intermediate pressure
Curved insert driving element is upper mold cylinder.
In above scheme, in some preferred embodiments, upper mold cylinder uses nitrogen cylinder.
Further, in the curved part mould of hydroforming four of the present invention in bending press, the lower die end is floating
The curved insert driving element of dynamic pressure is lower die cylinder.
In above scheme, in some preferred embodiments, lower die cylinder uses nitrogen cylinder.
Further, in the curved part mould of hydroforming four of the present invention in bending press, the lower die end is floating
The side of the curved insert of dynamic pressure is fixed with lower die end float and bends insert side baffle.
Further, in the curved part mould of hydroforming four of the present invention in bending press, the lower die end is solid
The curved insert of level pressure is equipped with hanging ring.
Correspondingly, another object of the present invention also reside in provide it is a kind of using the above-mentioned curved part film internal pressure of hydroforming four
The method that bending apparatus bends workpiece, this method is simple to operate, is especially suitable for hydroforming automated production, is obtained
The curved part quality of hydroforming four obtained is reliable and stable, and no part undercut collapses and other issues, meets production needs.
To achieve the goals above, it is filled the invention proposes a kind of using press-bending in the above-mentioned curved part mould of hydroforming four
Set the method bent to workpiece comprising step:
In the state that lower die end float bends insert and protrudes relative to the fixed press-bending insert in lower die end, by straight tube work
Part is placed in lower die end float and bends in insert；
Insert is bent among upper mold and bends insert protrusion relative to upper mold end, and in this case, press drives upper mold court
Lower die feeding push, until upper mold among bend insert contact straight tube workpiece；
Press drives upper mold to continue to push, until the lower pressure F1 constantly increased is greater than lower die end float and bends insert institute
The critical pressure F2 that can be born；
Press drives upper mold to continue to push, and lower die end float bends insert and bends insert driving member in lower die end float
It bounces back under the driving of part, until being completely retracting in lower die；
Press drives upper mold to continue to push, until the lower pressure F1 constantly increased is greater than press-bending insert among upper mold and can hold
The critical pressure F3 received, upper mold centre bends and bounces back under the driving that insert bends insert driving element among upper mold, until upper
Mould and lower die mold completely, complete press bending process.
It directly carries out bending directly to produce in mould compared to existing conventional techniques can satisfy the four of hydroforming
Curved part, technical solutions according to the invention pass through the optimization apparatus structure Rational structure layout designs curved part of hydroforming four
Bending press in mould keeps part more reasonable in Hydroform process layout, production process instead of traditional method gone for a stroll
More efficiently.
In addition, the side bent using bending press in the curved part mould of hydroforming four of the present invention to workpiece
Method, this method is reliable feasible, simple to operate, is especially suitable for hydroforming automated production, and four curved part obtained exists
Quality is reliable and stable after press-bending, no part undercut, the defects of collapsing, and meets production needs.
Detailed description of the invention
Fig. 1 is that the structure of bending press in one embodiment is shown in the curved part mould of hydroforming four of the present invention
It is intended to.
Fig. 2 is the lower die of bending press in one embodiment in the curved part mould of hydroforming four of the present invention
Structural schematic diagram.
Fig. 3 is the upper mold of bending press in one embodiment in the curved part mould of hydroforming four of the present invention
Structural schematic diagram.
Fig. 4 is shown using four curved parts of bending press forming in the curved part mould of hydroforming four of the present invention
Structural schematic diagram.
Fig. 5 shows the part that shown in Fig. 4 four curved parts obtain after direct hydroforming.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment in the curved part mould of hydroforming four of the present invention
Bending press and method make further explanation, however the explanation and illustration is not constituted technical solution of the present invention
Improper restriction.
Fig. 1 is that the structure of bending press in one embodiment is shown in the curved part mould of hydroforming four of the present invention
It is intended to.
As shown in Figure 1, bending press 1 includes upper mold 2 and lower die 3 in the curved part of hydroforming four in present embodiment,
Wherein, upper mold 2 includes: upper die base 21, insert 22 is bent in upper mold end, insert 23 and upper mold intermediate pressure are bent in upper mold centre
Curved insert driving element (not shown).Insert 22 is bent in upper mold end, is fixed at the both ends end of upper die base 21；
Insert 23 is bent among upper mold, is set to upper mold end and is bent between insert 22；Insert driving element is bent among upper mold, with
Insert 23 is bent among upper mold to connect, with drive bent among upper mold insert 23 relative to upper mold end bend the protrusion of insert 22 or
Retraction.
In addition, can be seen that lower die 3 with further reference to Fig. 1 includes: lower die base 31, the fixed press-bending insert in lower die end
32, fixed insert 33, lower die end float press-bending insert 34 and the lower die end float of bending bends insert driving among lower die
Element (not shown).Wherein, lower die end is fixed bends insert 32, is fixed at the both ends end of lower die base 31；
It is fixed among lower die to bend insert 33, it fixes and is bent among insert 32 set on lower die end, and be fixed at lower die base 31
On；Lower die end float bends insert 34, is correspondingly arranged at solid among the fixed press-bending insert 32 in each lower die end and lower die
Between the curved insert 33 of level pressure；Lower die end float bends insert driving element, bends insert 34 with lower die end float and connect,
To drive lower die end float to bend insert 34 relative to fixed press-bending insert 32 protrusion in lower die end or retraction.
It should be noted that upper mold 2 is connect with press, and moves down during press-bending, the table that upper mold 2 is contacted with workpiece
There are four bending sections for mask.
It can be with further reference to Fig. 2 and Fig. 3 about the structure of lower die and upper mold.Fig. 2 is hydroforming of the present invention
The structural schematic diagram of the lower die of bending press in one embodiment in four curved part moulds.Fig. 3 is of the present invention hydraulic
Shape the structural schematic diagram of the upper mold of bending press in one embodiment in four curved part moulds.
As shown in Fig. 2, the lower die 3 of bending press includes: lower die in the curved part mould of hydroforming four in present embodiment
Pedestal 31, lower die end be fixed bend insert 32, it is fixed among lower die bend insert 33, lower die end float bend insert 34 with
And lower die end float bends insert driving element (not shown).Wherein, lower die base 31 includes pedestal with lower mold backing plate
312, and the padded plate 311 of lower die base between pedestal and lower mold backing plate 312.And in the fixed press-bending insert in lower die end
32 are equipped with hanging ring 6, and hanging ring 6 is to lift by crane lower die 3.
In addition, lower die 3 further includes being fixed at the fixed limit plate 8 bent in insert in lower die end, limit plate 8 is to lower die
End float bends insert 34 and is limited relative to the fixed stroke for bending the protrusion of insert 32 in lower die end, that is to say, that when
Lower die end float bends limit of the insert 34 when being depressed into certain position with straight tube workpiece 200 by limit plate 8, and can not be after
It is continuous to move down.In addition, the side that lower die end float bends insert 34, which is fixed with lower die end float, bends insert side block
Plate 72.
As shown in figure 3, the upper mold 2 of bending press includes: upper mold in the curved part mould of hydroforming four in present embodiment
Pedestal 21, upper mold end bend insert 22, upper mold centre bends and bends insert driving element among insert 23 and upper mold (in figure
It is not shown).Wherein, upper die base 21 includes pedestal with upper die plate 212, and between pedestal and upper die plate 212
The padded plate 211 of upper die base.
In addition, upper mold 2 further includes bending insert side baffle 71 among upper mold, it is set among upper mold and bends the side of insert 23
Face.Wherein, insert side baffle 71 is bent among upper mold and is equipped with pin hole, is bent in insert 23 among corresponding upper mold and also is provided with pin
Hole, 9 corresponding inserted of spacer pin are bent in the corresponding pin hole for bending insert among insert side baffle pin hole and upper mold among upper mold,
The relative position that insert 23 is bent among 71 upper mold of insert side baffle is bent among upper mold to position.
It should be noted that bending insert driving element in the present embodiment, among upper mold is upper mold cylinder, lower die end
It is lower die cylinder that portion, which floats and bends insert driving element,.
Fig. 4 is shown using four curved parts of bending press forming in the curved part mould of hydroforming four of the present invention
Structural schematic diagram.
As shown in figure 4, being carried out using bending press in the curved part mould of hydroforming four of the present invention to straight tube workpiece
It bends, to obtain four curved parts 300, there are four bending parts 3001 for the four curved tools of part 300.
In conjunction with Fig. 1 to Fig. 4, bending press in the curved part mould of hydroforming four of the present invention bends workpiece
Method be further illustrated.The method comprising step:
It, will be straight in the state that lower die end float bends insert 34 and protrudes relative to the fixed press-bending insert 32 in lower die end
Tube workpiece 200 is placed in lower die end float and bends in insert 34；
Insert 23 is bent among upper mold and bends the protrusion of insert 22 relative to upper mold end, in this case, in press drive
Mould 2 feeds towards lower die 3 and pushes, until bending insert 23 among upper mold contacts straight tube workpiece 200；
Press drives upper mold 2 to continue to push, until the lower pressure F1 constantly increased is greater than lower die end float and bends insert
The 34 critical pressure F2 that can bear；
Press drives upper mold 2 to continue to push, and lower die end float bends insert 34 and bends insert drive in lower die end float
It bounces back under the driving of dynamic element, until being completely retracting in lower die 3；
Press drives upper mold 2 to continue to push, until the lower pressure F1 constantly increased, which is greater than among upper mold, bends 23 institute of insert
The critical pressure F3 that can be born, upper mold centre bend and bounce back under the driving that insert 23 bends insert driving element among upper mold,
Until upper mold 2 and lower die 3 mold completely, press bending process is completed, obtains four curved parts 300.
Fig. 5 shows the part 400 that shown in Fig. 4 four curved parts obtain after direct hydroforming.
It can thus be seen that directly carrying out bending directly to produce in mould compared to existing conventional techniques can satisfy
The curved part of the four of hydroforming, technical solutions according to the invention are hydraulic by optimization apparatus structure Rational structure layout designs
Shape bending press in four curved part moulds, instead of traditional method gone for a stroll, make part in Hydroform process layout more
Rationally, production process is more efficient.
In addition, the side bent using bending press in the curved part mould of hydroforming four of the present invention to workpiece
Method, this method is reliable feasible, simple to operate, is especially suitable for hydroforming automated production, and four curved part obtained exists
Quality is reliable and stable after press-bending, no part undercut, the defects of collapsing, and meets production needs.
It should be noted that in this case documented group in the combination of each technical characteristic and unlimited this case claim
Combination documented by conjunction mode or specific embodiment, all technical characteristics that this case is recorded can carry out in any way
Independent assortment combines, unless generating contradiction between each other.
In addition, it is also to be noted that the above list is only specific embodiments of the present invention, it is clear that the present invention is not limited to
Above embodiments have many similar variations therewith.If those skilled in the art is direct from present disclosure
All deformations for exporting or associating, are within the scope of protection of the invention.
Claims (9)
1. bending press in a kind of curved part mould of hydroforming four, which is characterized in that it includes upper die and lower die；
Wherein, the upper mold is connect with press, and is moved down during press-bending, and the surface that the upper mold is contacted with workpiece has
Four bending sections, the upper mold include:
Upper die base；
Insert is bent in upper mold end, is fixed at the both ends end of the upper die base；
Insert is bent among upper mold, is set to upper mold end and is bent between insert；
Insert driving element is bent among upper mold, is connect with insert is bent among the upper mold, is bent among upper mold with driving
Insert bends insert protrusion or retraction relative to upper mold end；
Wherein, the lower die includes:
Lower die base；
Lower die end is fixed to bend insert, is fixed at the both ends end of the lower die base；
It is fixed among lower die to bend insert, it fixes and is bent among insert set on lower die end, and be fixed at the lower die base
On seat；
Lower die end float bends insert, is correspondingly arranged at fixed bend in each lower die end and fixes pressure among insert and lower die
Between curved insert；
Lower die end float bends insert driving element, bends insert with the lower die end float and connect, to drive lower die
End float bends insert relative to the fixed press-bending insert protrusion in lower die end or retraction.
2. bending press in the curved part mould of hydroforming four as described in claim 1, which is characterized in that the upper mold further includes
Insert side baffle is bent among upper mold, is set among upper mold and is bent the side of insert.
3. bending press in the curved part mould of hydroforming four as claimed in claim 2, which is characterized in that bend edge among upper mold
Block side baffle is equipped with pin hole, is bent in insert among the corresponding upper mold and also is provided with pin hole, spacer pin corresponding inserted is in upper
It is bent among mould in the corresponding pin hole for bending insert among insert side baffle pin hole and upper mold, bends insert among upper mold to position
The relative position of insert is bent among side baffle and the upper mold.
4. bending press in the curved part mould of hydroforming four as described in claim 1, which is characterized in that the lower die further includes
Be fixed at the fixed limit plate bent in insert in lower die end, the limit plate to lower die end float bend insert relative to
The fixed stroke for bending insert protrusion in lower die end is limited.
5. bending press in the curved part mould of hydroforming four as described in claim 1, which is characterized in that the upper mold intermediate pressure
Curved insert driving element is upper mold cylinder.
6. bending press in the curved part mould of hydroforming four as described in claim 1, which is characterized in that the lower die end is floating
The curved insert driving element of dynamic pressure is lower die cylinder.
7. bending press in the curved part mould of hydroforming four as described in claim 1, which is characterized in that the lower die end is floating
The side of the curved insert of dynamic pressure is fixed with lower die end float and bends insert side baffle.
8. bending press in the curved part mould of hydroforming four as described in claim 1, which is characterized in that the lower die end is solid
The curved insert of level pressure is equipped with hanging ring.
9. bending press is to workpiece in a kind of curved part mould of hydroforming four using as described in any one of claim 1-8
The method bent comprising step:
In the state that lower die end float bends insert and protrudes relative to the fixed press-bending insert in lower die end, straight tube workpiece is put
Lower die end float is placed in bend in insert；
Insert is bent among upper mold and bends insert protrusion relative to upper mold end, and in this case, press drives upper mold under
Mould feeding pushes, until bending insert among upper mold contacts straight tube workpiece；
Press drives upper mold to continue to push, until the lower pressure F1 constantly increased is greater than lower die end float press-bending insert and can hold
The critical pressure F2 received；
Press drives upper mold to continue to push, and lower die end float bends insert and bends insert driving element in lower die end float
The lower retraction of driving, until being completely retracting in lower die；
Press drives upper mold to continue to push, until the lower pressure F1 constantly increased, which is greater than among upper mold, bends what insert can bear
Critical pressure F3 bends among upper mold and bounces back under the driving that insert bends insert driving element among upper mold, until upper mold and
Lower die molds completely, completes press bending process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627501.6A CN109304388B (en) | 2017-07-28 | 2017-07-28 | Device and method for in-mold bending of hydraulic forming four-bend part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627501.6A CN109304388B (en) | 2017-07-28 | 2017-07-28 | Device and method for in-mold bending of hydraulic forming four-bend part |
Publications (2)
| Publication Number | Publication Date |
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| CN109304388A true CN109304388A (en) | 2019-02-05 |
| CN109304388B CN109304388B (en) | 2020-06-12 |
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| CN201710627501.6A Active CN109304388B (en) | 2017-07-28 | 2017-07-28 | Device and method for in-mold bending of hydraulic forming four-bend part |
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| CN109807252A (en) * | 2019-02-28 | 2019-05-28 | 保隆(安徽)汽车配件有限公司 | A kind of torsion beam segmented preliminary shaping method |
| CN109967629A (en) * | 2019-04-25 | 2019-07-05 | 肇庆胜尚知识产权服务有限公司 | A kind of split type plate molding die |
| CN110434206A (en) * | 2019-09-02 | 2019-11-12 | 河南永福德科技股份有限公司 | Bending and molding device and forming elbow method |
| WO2021077514A1 (en) * | 2019-10-25 | 2021-04-29 | 大连理工大学 | Large-size thin-wall ring housing inflation hot-bending forming device and method |
| CN113664080A (en) * | 2021-07-28 | 2021-11-19 | 凌云工业股份有限公司 | Strip-shaped piece multi-point control flexible bending forming device |
| CN114472666A (en) * | 2020-11-13 | 2022-05-13 | 上海宝钢高新技术零部件有限公司 | Forming device and method for tubular hydroforming front fender support |
| CN110434206B (en) * | 2019-09-02 | 2024-04-12 | 河南永福德科技股份有限公司 | Bent pipe forming device and bent pipe forming method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU566646A1 (en) * | 1976-01-04 | 1977-07-30 | Харьковский авиационный институт | Machine for bending tubular work |
| JP2002219526A (en) * | 2001-01-22 | 2002-08-06 | Shibayama Kikai:Kk | Method and apparatus for bending and forming tube |
| JP2003088927A (en) * | 2001-09-14 | 2003-03-25 | Honda Motor Co Ltd | Hot forming method of tubular member |
| JP2003103314A (en) * | 2001-07-24 | 2003-04-08 | Showa Denko Kk | Method and apparatus for manufacturing metal bent pipe having bulge |
| JP2006116595A (en) * | 2004-09-21 | 2006-05-11 | Nissan Motor Co Ltd | Hydraulic forming apparatus and hydraulic forming method |
| WO2007018499A1 (en) * | 2005-07-26 | 2007-02-15 | Aquaform, Inc. | Apparatus and method for forming shaped parts |
| CN202180136U (en) * | 2011-06-20 | 2012-04-04 | 苏州金鸿顺汽车部件股份有限公司 | Forming device of pipe end forming die |
| CN102601204A (en) * | 2012-03-15 | 2012-07-25 | 吉林省元隆达工装设备有限公司 | Multi-deformed bending forming method and device for pipe fitting |
| CN202591342U (en) * | 2012-03-15 | 2012-12-12 | 吉林省元隆达工装设备有限公司 | A pipe fitting bending forming device |
| CN105215130A (en) * | 2015-08-26 | 2016-01-06 | 上海汇众汽车制造有限公司 | The curved swollen performance testing device of tubing |
| CN105598265A (en) * | 2015-12-21 | 2016-05-25 | 哈尔滨奔马科技有限公司 | Overall forming method of small-relative-bending-radius and large-diameter-thickness-ratio thin-walled bent pipe fitting |
| CN106457345A (en) * | 2014-04-21 | 2017-02-22 | 住友重机械工业株式会社 | Molding apparatus |
-
2017
- 2017-07-28 CN CN201710627501.6A patent/CN109304388B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU566646A1 (en) * | 1976-01-04 | 1977-07-30 | Харьковский авиационный институт | Machine for bending tubular work |
| JP2002219526A (en) * | 2001-01-22 | 2002-08-06 | Shibayama Kikai:Kk | Method and apparatus for bending and forming tube |
| JP2003103314A (en) * | 2001-07-24 | 2003-04-08 | Showa Denko Kk | Method and apparatus for manufacturing metal bent pipe having bulge |
| JP2003088927A (en) * | 2001-09-14 | 2003-03-25 | Honda Motor Co Ltd | Hot forming method of tubular member |
| JP2006116595A (en) * | 2004-09-21 | 2006-05-11 | Nissan Motor Co Ltd | Hydraulic forming apparatus and hydraulic forming method |
| WO2007018499A1 (en) * | 2005-07-26 | 2007-02-15 | Aquaform, Inc. | Apparatus and method for forming shaped parts |
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