CN103495627A - Processing process of cylinder type foamed aluminum - Google Patents
Processing process of cylinder type foamed aluminum Download PDFInfo
- Publication number
- CN103495627A CN103495627A CN201310437808.1A CN201310437808A CN103495627A CN 103495627 A CN103495627 A CN 103495627A CN 201310437808 A CN201310437808 A CN 201310437808A CN 103495627 A CN103495627 A CN 103495627A
- Authority
- CN
- China
- Prior art keywords
- foamed aluminium
- former
- formpiston
- aluminium board
- foamed aluminum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Fencing (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention belongs to the field of material processing, and mainly relates to a processing process of cylinder type foamed aluminum. Male dies (1) in the processing process are mainly used for allowing pressure acted on a foamed aluminum plate (3) to be evenly dispersed and deform along with the deformation of the foamed aluminum plate. The male dies (1) are located on the upper portion of the foamed aluminum plate (3), oppositely fixedly connected with female dies (1), and simultaneously deform along with the foamed aluminum plate (3). The female dies (2) are of a circular-arc-shaped structure of which the bending degree gradually changes, wherein the circular-arc-shaped structure is in transition to a cylinder shape. The female dies (2) are mainly used for supplying bearing capacity and restraining and limiting the form of the foamed aluminum plate, and used as die plates which enable the foamed aluminum plate (3) including the male dies to (1) gradually deform, the foamed aluminum plate (3) including the male dies (1) achieve forming of the required bending angle within the bending angle of the corresponding female dies under the effect of rolling equipment, the deformation degree of the foamed aluminum plate is controlled, and then the required structural type is formed. The processing process has the advantages of being low in cost, convenient to operate, and wide in application range.
Description
Technical field
The invention belongs to material processing field, be mainly concerned with the processing technology of cylinder type foamed aluminium.
Background technology
Ultra light porous metal comprises metal beehive, foam metal and grid (dot matrix), is a kind of new function material that last century, the nineties grew up rapidly in the world.Along with the development of ultra light porous metal material manufacturing technology, its application is more and more extensive.Foamed aluminium is a kind of the most frequently used ultra light porous metal, it has the good physical and mechanical properties such as high specific strength, high specific stiffness, good energy absorption characteristics, fire-retardant and heat conduction, having larger advantage aspect explosion-proof and impact, is desirable antiknock wave absorption and energy-absorbing material.From structure function, it can be used as ultralight sandwich structure inner core and energy-absorbing, vibration isolation, noise reduction elements, is a kind of cushioning layer material in composite protection structure.Under Explosive Shock Loading, the thin-wall construction of foamed aluminium deforms and destroys, and reaches carrying and energy-absorbing function.
In actual application, foamed aluminium is commonly used for laminboard layer to realize antiknock wave and energy absorption purpose, therefore often need to be processed into according to structural requirement the structures such as cylinder type.But the foamed aluminium thin-walled is equivalent to brittle materials, in being made into the process of cylinder type, easily cause thin-wall construction destroying infection overall performance, so be a technical barrier to the processing of foamed aluminium cylinder type always.At present, the making forming technique of cylinder type foamed aluminium structure mainly comprises mould molding, integral cutting, assembled moulding and extrusion modling etc., but all there is certain deficiency in the whole bag of tricks.Mould molding is that at first size processes mould as requested, drop into raw material direct foaming in mould, the integrality performance of the structure that this forming technique is made is best, but mould involves great expense, and need at first design the different mould of processing according to the requirement of different size, spend high.The integral cutting forming technique is at first to produce the foamed aluminium blank, and then, according to the size requirements member that directly cutting processing goes out to need from blank, the effect of this forming technique is also relatively good, but waste material is more, and easily causes the performance damage in cutting operation.Assembled forming technique is to maximally utilise material, but has reduced the overall performance of structure.Common extrusion forming technology causes serious brittle damage to material, has reduced the serviceability of structure.To sum up, there are a lot of unfavorable factors in cylinder type foamed aluminium structure process technology commonly used at present, if wish, structural behaviour is good, needs more cost or produces more waste material; Control cost if consider, reduce the generation of cost or waste material, the overall performance of structure caused to larger adverse effect.Therefore, by the improvement technology, realizing a kind of more satisfactory cylinder type foamed aluminium shaping structures technique, is the emphasis of current research not needing under larger input condition to produce the good cylindrical structure of overall performance.
Summary of the invention
For solving the technical problem of cylinder type foamed aluminium machine-shaping, the invention provides a kind of processing technology of cylinder type foamed aluminium, by a set of more special assembling die that is suitable for foamed aluminium material processing and moulding, by using general steel board roll unit and being processed according to certain processing step, can obtain the better cylinder type foamed aluminium structure of overall performance.
The technical scheme that the present invention proposes is:
A kind of processing technology of cylinder type foamed aluminium, the related device of described processing technology includes formpiston, former and foamed aluminium roll unit; Described formpiston adopts steel plate to make, and thickness is at 2～5mm, and formpiston mainly makes the pressure that is applied on foamed aluminium board dispersed, and is out of shape with the distortion of foamed aluminium structure; In process, described formpiston is positioned at the top of described foamed aluminium board, relative with described former fixing and with described foamed aluminium board deform in same pace; The steel plate that described former selects thickness to be greater than formpiston is made, and thickness should be not less than 10mm, with 10～15mm, is advisable; Described former is crooked circular arc; Described former is different a plurality of of degree of crook, and a plurality of described formers are that degree of crook gradually changes, to the cylindrical shape transitional structure; The Main Function of former is for providing the form of bearing capacity constrained foamed aluminium structure, comprise as described foamed aluminium board the template that formpiston is out of shape gradually, in the angle of bend that makes described foamed aluminium board comprise that formpiston has at corresponding former, under the effect of roll unit, obtain the moulding of required angle of bend and control the deformation extent of foamed aluminium board, form required version; The concrete steps of described technique are:
A. foamed aluminium board blanking;
B. foamed aluminium board is placed on described former to the angle of bend minimum of described former in a set of former; Make formpiston be positioned at described foamed aluminium board top, and by the mould fixed fastener, described formpiston and described former are connected and fixed, carry out spacing to described foamed aluminium board;
C. adopt the roll shaft of roll unit to the roll extrusion equably back and forth of formpiston, foamed aluminium board, make foamed aluminium board produce distortion, formpiston is with the foamed aluminium board deform in same pace; Obtain with the same degree of crook of corresponding former;
D. when the degree of crook of foamed aluminium board reach with after the degree of crook of corresponding former, formpiston, foamed aluminium board are separated with former; Change the larger former of degree of crook, carry out the installation of foamed aluminium board, formpiston and fix;
E. carry out equally more back and forth evenly roll extrusion operation, make foamed aluminium board, formpiston obtain with the same degree of crook of corresponding former;
F. the operation of repeating step d, e, finally make foamed aluminium board be bent to cylindrical shape;
G. post processing work: post processing work comprises that outward appearance is processed, cylindrical structure seals, pastes liner, covering, obtains operational cylinder type foamed aluminium product.
Technique of the present invention have cost low, easy to operate, the advantage such as be widely used.
The accompanying drawing explanation
Fig. 1 is the corresponding 90 ° of central angle formers of flexibility.(illustrate, the flexibility central angle corresponding with circular arc looked divided by circular arc, and therefore the circular arc appearance of this cover former etc. mean with regard to the number of degrees with central angle).
Fig. 2 is the corresponding 180 ° of central angle formers of flexibility.
Fig. 3 is the corresponding 270 ° of central angle formers of flexibility.
Fig. 4 is the corresponding 330 ° of central angle formers of flexibility.
Fig. 5 is the corresponding 360 ° of central angle formers of flexibility.(end-state of complete former).
Fig. 6 is cylinder type foamed aluminium structure process.
In figure: 1, formpiston; 2, former; 3, foamed aluminium board; 4, roll shaft; 5, mould fixed fastener.
The specific embodiment
By reference to the accompanying drawings the specific embodiment of the invention process is described.
To the effect that processing mold of the present invention, when Mould Machining completes, only need utilize roll unit can complete the making of cylinder type foamed aluminium structure.The former of described mould as shown in Fig. 1～Fig. 5, the manufacturing process that Fig. 6 is the cylinder foamed aluminium.
Roll unit is selected in the press-bending of foamed aluminium board, such as two common roller rolling machines, three rolls plate bending machine etc., but need be transformed equipment, require the roll shaft position that the lasting pressure perpendicular to the pressurised mould direction can be provided, and can conveniently be installed and removed; Mold materials selects intensity to surpass the high-strength steel sheet of Q45 steel strength;
In cylinder type foamed aluminium process, required component comprises formpiston 1, former 2, foamed aluminium board 3, roll unit roll shaft 4 and mould fixed fastener 5; Described formpiston 1 is thickness 3mm steel plate, presses the boring around it of foamed aluminium size range, and the position, hole is according to the hole slot location positioning on former, and aperture is determined according to mould fixed fastener diameter; Formpiston 1 mainly makes the pressure that is applied on foamed aluminium board 3 dispersed.In process, described formpiston 1 is positioned at the top of described foamed aluminium board 3, and with former, is connected by the mould fixed fastener by the hole slot on boring, former, makes foamed aluminium board 3 location; Described formpiston 1 is with described foamed aluminium board 3 deform in same pace; Described former 2 adopts the high strength steel plate that thickness is 15mm, upper opening slot, and mate with mould fixed fastener size in aperture.Then by the high strength steel plate bending machining to certain degree of crook, form the circular arc bent plate standby.Described former 2 is crooked circular arc; Described former 2 is different a plurality of of degree of crook, and the different described former 2 of a plurality of degree of crook is for degree of crook gradually changes, to the cylinder type transitional structure; In this embodiment, a plurality of described formers 2 are bent into amplitude of variation with 90 °, when approaching the cylinder state, 330 ° of case of bendings have been increased, through design processing, form a whole set of former that 90 °, 180 °, 270 °, 330 ° and 360 ° etc. change by the rule of going forward one by one, can enough guarantee crooked uniformity, and make number of molds reach less state.The Main Function of former 2 is to comprise as described foamed aluminium board 3 template that formpiston 1 is out of shape gradually, in the angle of bend that makes described foamed aluminium board 3 comprise that formpiston 1 has at corresponding former, under the effect of roll unit roll shaft 4, obtain the moulding of required angle of bend and control the deformation extent of foamed aluminium board, form required version.Described roll unit roll shaft 4 mainly plays the effect of pressurization.Described mould fixed fastener 5 mainly plays the effect of fixed foam aluminium position in mould, and the mould fixed fastener selects common pin member to get final product, and is connected between the reserved hole slot of the boring of formpiston and former and is fixed.Foamed aluminium board is fixed between formpiston and former, by mould fixed fastener 5, limits its displacement along the mold periphery direction, and the displacement of vertical mold direction is unrestricted.
The concrete implementation step of process is:
A. foamed aluminium board blanking:
B. the selection of mould, fixed fastener etc. and processing:
C. foamed aluminium board is fixing: foamed aluminium board is placed on described former 2, the angle of bend minimum of described former 2 in a set of former: make formpiston be positioned at described foamed aluminium board top, and by the mould fixed fastener, described formpiston 1 is connected and fixed with described former 2, to described foamed aluminium board 3, carry out spacing;
D. roll unit roll extrusion: foamed aluminium board utilizes roll shaft roll extrusion equably back and forth on formpiston of roll unit after installing, fixing, and finally makes foamed aluminium board 3 and formpiston 1 reach the degree of crook same with former 2;
E. repeat to change former, fixing, the operation of roll extrusion again: after the degree of crook of foamed aluminium board reaches the degree of crook of former, change the former that degree of crook is larger, after same fixing, carry out equally more evenly roll extrusion operation back and forth, the like, finally make foamed aluminium board be bent to cylindrical shape;
F. form removal moulding: carried out the form removal operation in changing mold process, form removal can divide two kinds of modes to realize, when the former degree of crook hour, can directly extract the mould fixed fastener, unload formpiston and foamed aluminium gets final product; When the former degree of crook is larger, at first should remove the roll unit roll shaft, then extract the mould fixed fastener and dismantled.Roll shaft is removed and can be realized from the cylinder-like structure axial direction;
G. post processing work: post processing work comprises that outward appearance is processed, cylindrical structure seals, pastes liner, covering etc., realizes producing operational cylinder type foamed aluminium product.
Claims (1)
1. the processing technology of a cylinder type foamed aluminium, it is characterized in that: the related device of described processing technology includes formpiston (1), former (2) and foamed aluminium roll unit; Described formpiston (1) adopts steel plate to make, and thickness is at 2～5mm, and formpiston (1) mainly makes the pressure that is applied on foamed aluminium board (3) dispersed, and is out of shape with the distortion of foamed aluminium board; In process, described formpiston (1) is positioned at the top of described foamed aluminium board (3), and fixes and with described foamed aluminium board (3) deform in same pace by mould fixed fastener (5) is relative with described former (1); The steel plate that described former (1) selects thickness to be greater than formpiston is made, and thickness should be not less than 10mm, with 10～15mm, is advisable; Described former (2) is crooked circular arc and described former (2) is different a plurality of of degree of crook, and a plurality of described formers (2) gradually change for degree of crook, to the cylindrical shape transitional structure; The Main Function of former (2) is for providing the form of bearing capacity constrained foamed aluminium structure, comprise as described foamed aluminium board (3) template that formpiston (1) is out of shape gradually, in the angle of bend that makes described foamed aluminium board (3) comprise that formpiston (1) has at corresponding former, under the effect of roll unit, obtain the moulding of required angle of bend and control the deformation extent of foamed aluminium board, form required version; The concrete steps of described technique are:
A. foamed aluminium board blanking:
B. foamed aluminium board (3) is placed on described former (2), the angle of bend minimum of described former (2) in a set of former: make formpiston (1) be positioned at described foamed aluminium board (3) top, and by mould fixed fastener (5), described formpiston (1) and described former (2) are connected and fixed, to described foamed aluminium board (3), carry out spacing;
C. adopt the roll shaft of roll unit to formpiston (1), foamed aluminium board (3) roll extrusion equably back and forth, make foamed aluminium board produce distortion, formpiston (1) is with foamed aluminium board (3) deform in same pace; Obtain with the same degree of crook of corresponding former;
D. when the degree of crook of foamed aluminium board reach with after the degree of crook of corresponding former, formpiston (1), foamed aluminium board (3) are separated with former (2); Change the larger former (2) of degree of crook, carry out the installation of foamed aluminium board (3), formpiston (1) and fix;
E. carry out equally more back and forth evenly roll extrusion operation, obtain with the same degree of crook of corresponding former;
F. the operation of repeating step d, e,, finally make foamed aluminium board be bent to cylindrical shape;
G. post processing work: post processing work comprises that outward appearance is processed, cylindrical structure seals, pastes liner, covering, obtains operational cylinder type foamed aluminium product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437808.1A CN103495627B (en) | 2013-09-24 | 2013-09-24 | The processing technology of cylinder type foamed aluminium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437808.1A CN103495627B (en) | 2013-09-24 | 2013-09-24 | The processing technology of cylinder type foamed aluminium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103495627A true CN103495627A (en) | 2014-01-08 |
| CN103495627B CN103495627B (en) | 2016-04-13 |
Family
ID=49860936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310437808.1A Expired - Fee Related CN103495627B (en) | 2013-09-24 | 2013-09-24 | The processing technology of cylinder type foamed aluminium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103495627B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148495A (en) * | 2014-07-10 | 2014-11-19 | 苏州鸿大金属制品有限公司 | Progressive umbrella handle copper pipe drawing die assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2012796A (en) * | 1931-09-01 | 1935-08-27 | Republie Steel Corp | Method and apparatus for forming tubes |
| US4460118A (en) * | 1981-05-29 | 1984-07-17 | Nippon Steel Corporation | Method for forming electric welded pipe |
| CN1212642A (en) * | 1996-03-01 | 1999-03-31 | 罗尔工业公司 | Method for making skip body with concave cross section |
| JP2006334633A (en) * | 2005-06-02 | 2006-12-14 | Nakajima Steel Pipe Co Ltd | Method and equipment for manufacturing circular steel pipe |
| EP1690607B1 (en) * | 2005-02-11 | 2007-07-11 | Benteler Automobiltechnik GmbH | Method of manufacturing tubes |
| EP1976466A1 (en) * | 2006-01-25 | 2008-10-08 | JOTEC GmbH | Insertion system for stents, comprising tension-compression kinematics |
-
2013
- 2013-09-24 CN CN201310437808.1A patent/CN103495627B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2012796A (en) * | 1931-09-01 | 1935-08-27 | Republie Steel Corp | Method and apparatus for forming tubes |
| US4460118A (en) * | 1981-05-29 | 1984-07-17 | Nippon Steel Corporation | Method for forming electric welded pipe |
| CN1212642A (en) * | 1996-03-01 | 1999-03-31 | 罗尔工业公司 | Method for making skip body with concave cross section |
| EP1690607B1 (en) * | 2005-02-11 | 2007-07-11 | Benteler Automobiltechnik GmbH | Method of manufacturing tubes |
| JP2006334633A (en) * | 2005-06-02 | 2006-12-14 | Nakajima Steel Pipe Co Ltd | Method and equipment for manufacturing circular steel pipe |
| EP1976466A1 (en) * | 2006-01-25 | 2008-10-08 | JOTEC GmbH | Insertion system for stents, comprising tension-compression kinematics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148495A (en) * | 2014-07-10 | 2014-11-19 | 苏州鸿大金属制品有限公司 | Progressive umbrella handle copper pipe drawing die assembly |
| CN104148495B (en) * | 2014-07-10 | 2016-09-07 | 青岛橡胶谷知识产权有限公司 | Progressive umbrella handle copper pipe drawing die assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103495627B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1314496C (en) | Pre-forming device in hollow structure high-pressure forming process | |
| KR101474689B1 (en) | Printing method for form-panel on 3D-printer and the form using the same | |
| CN101269553A (en) | Magnesium alloy cellular board and manufacturing technique | |
| CN105328020A (en) | Stamping tool for front ring in flame tube and working method of stamping tool | |
| CN103691798A (en) | Fine blanking molding method for reducing collapsed corner of fine-blanking piece | |
| CN103495627B (en) | The processing technology of cylinder type foamed aluminium | |
| WO2016006403A1 (en) | Molding device for laminated film and molding method for laminated film | |
| US9021846B2 (en) | Method for making metal body and metal box by using hydroforming | |
| CN106553026A (en) | Thin Walled Curved bus aluminum alloy liner forming method and mould | |
| KR101247798B1 (en) | Apparatus for manufacturing yoke used steering shaft system | |
| CN109501314A (en) | A kind of new energy battery composite material upper housing SMC sheet production method | |
| CN101934326B (en) | Method for manufacturing automobile wheel spokes by utilizing steel tubes | |
| CN110883239A (en) | Forming method of large-size curved surface thin-wall metal skin | |
| CN204052605U (en) | Before in burner inner liner, punch forming frock used by circle | |
| CN203751133U (en) | Composite stamping die for three-way half tube parts | |
| CN208303651U (en) | A kind of automobile gears plate benging mold | |
| CN102501012B (en) | Method for processing curved phi-shaped element | |
| CN205869229U (en) | Motor tricycle pushes up a precision forming die | |
| CN105583268A (en) | Pressing bending process device capable of forming multiple bends | |
| CN202219295U (en) | Integral framework forming die | |
| CN204099015U (en) | Automobile exhaust effective major diameter w shape bending component and continuously shaped mould thereof | |
| CN205217798U (en) | Circular arc board mould of buckling | |
| CN202683776U (en) | Precise square curling die | |
| CN202498149U (en) | Rotary cam mechanism | |
| Jiang et al. | The stamping process and die design of fender based on three-step |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| 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: 20160413 Termination date: 20190924 |