CN102896196B - Metal forming system with modular high-pressure fluid guiding device - Google Patents
Metal forming system with modular high-pressure fluid guiding device Download PDFInfo
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- CN102896196B CN102896196B CN201210343168.3A CN201210343168A CN102896196B CN 102896196 B CN102896196 B CN 102896196B CN 201210343168 A CN201210343168 A CN 201210343168A CN 102896196 B CN102896196 B CN 102896196B
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Abstract
The invention provides a metal forming system with a modular high-pressure fluid guiding device. The metal forming system comprises at least one mould, wherein the mould comprise a sealing mould and a forming mould, the sealing mould is provided with at least one opening portion, and a metal plate is arranged between the sealing mould and the forming mould in a clamping mode. The high-pressure fluid guiding device comprises a fluid supplying device, a fluid pipeline and a connection portion. The high-pressure flow guiding device is connected or disconnected with the opening portion of the sealing mould through the connection portion. When the high-pressure flow guiding device is connected with the opening portion of the sealing mould, high-pressure fluid supplied by the fluid supplying device is guided into a cavity of the sealing mould through the fluid pipeline and the opening portion, and fluid pressure is provided for the metal plate to enable the metal plate to be formed. By means of the scheme, the provided modular high-pressure fluid guiding device independently arranged outside the mould can be connected or disconnected with the mould.
Description
Technical field
The present invention relates to a kind of metal forming system with modularization high pressure diversing flow system, particularly relate to a kind of can for the metal forming system of sheet metal extrusion forming.
Background technology
Along with the progress and development of science and technology, nowadays consumers is for the demand of the electronic product such as mobile phone or mobile computer, also more and more tend to design that is personalized and sophistication, the metal shell appearance and modeling of this little electronic product, affect the large main cause whether consumer is ready to buy often.
Referring to Fig. 1, is the organigram of common metal formation system.As shown in the figure, metal forming system 100 comprises a mould 11.Mould 11 includes a sealed mould 111 and a molding 113.
Wherein, the sheet metal 15 that between sealed mould 111 and shaping mould 113, sandwiched one is to be formed.The inner surface of shaping mould 113 is provided with a patterned layer 1131.The periphery of sealed mould 111 and shaping mould 113 is provided with multiple heater 115.An input port 117 is provided with within sealed mould 111.Fluid supply 131 communicates by fluid pipeline 133 with the input port 117 of sealed mould 111.
Perform the Composition of a sheet metal 15, first control unit 10 control heater 115 imposes a high-temperature heating for mould 11 and the sheet metal 15 be placed in mould 11.Afterwards, when the temperature of sheet metal 15 arrives a design temperature, control unit 10 controls fluid supply machine 131 and produces a high-pressure fluid 1311 (such as: gases at high pressure or highly pressurised liquid), this high-pressure fluid 1311 is sent in the cavity of sealed mould 111 via fluid circuit 133 and input port 117, to impose fluid pressure for thermoplastic sheet metal 15, cause sheet metal 15 to be attached in the patterned layer 1131 of shaping mould 113 under the effect of fluid pressure, thus become a metal forming part 16.
The high pressure diversing flow system 13 of metal forming system in the past 100 (as fluid supply machine 131 and fluid circuit 133 form) be completely fixed in the upper of the sealed mould 111 of mould 11 and become integrated component with sealed mould 111.Moreover, if arrange the mould 11 of many group quantity among metal forming system 100 in order to the metal forming part 16 producing different housings outward appearance, will because of in the past each group mould 11 all must fixed configurations one group of high pressure diversing flow system 13 factor and make the high pressure diversing flow system 13 that also will build relative populations in metal forming system 100, this will increase many machine costs for metal forming system 100.
In view of this, the present invention is by a kind of metal forming system with modular high pressure diversing flow system of proposition, this modular high pressure diversing flow system is one independent of the outer equipment of mould, it can carry out engaging or being separated with mould, and many group moulds can use single high pressure diversing flow system jointly, using and reduce the cost that metal forming system builds machine, will be the target of the present invention for reaching.
Summary of the invention
Object of the present invention, be to provide a kind of metal forming system with modularization high pressure diversing flow system, its system provides one independent of the modularization high pressure diversing flow system outside mould, and be pursuant to the operational phase of mould and determine that high pressure diversing flow system is with the joint between mould or be separated, and instruction high pressure diversing flow system provides among high-pressure fluid to the mould engaged.
Another object of the present invention, be to provide a kind of metal forming system with modularization high pressure diversing flow system, also configurablely in its system organize mould more, when among these moulds, wherein a mould is for carrying out the pressurized operation of a metal forming, modular high pressure diversing flow system by mobile so far for carry out pressurized operation mould on and the high-pressure fluid needed for metal forming is provided, so the high-pressure fluid only utilizing single modularization high pressure diversing flow system that each mould also can be provided one by one to carry out required for pressurized operation, use and reduce the cost that metal forming system builds machine.
To achieve the above object, the invention provides a kind of metal forming system with modularization high pressure diversing flow system, comprise: at least one mould, comprise a sealed mould and a molding, sealed mould is provided with an annular seal space and at least one opening portion, shaping mould is provided with a forming cavity, is provided with a sheet metal between sealed mould and shaping mould; And a high pressure diversing flow system, comprise fluid supply, fluid pipeline and at least one convergence part, one end of fluid circuit connects fluid supply machine and the other end connects convergence part, high pressure diversing flow system is engaged with the opening portion of sealed mould by convergence part or is separated, wherein the high-pressure fluid supplied of fluid supply machine is via fluid circuit and opening portion to be directed in annular seal space, and high-pressure fluid will provide fluid pressure for sheet metal and make the shaping person of sheet metal.
In one embodiment of the invention, wherein opening portion comprises an opening seat and at least one sealing ring, and sealing ring is located on the periphery of opening seat, convergence part by sealing ring to be closely bonded on opening seat.
In one embodiment of the invention, wherein the inner surface of shaping mould is provided with a patterned layer.
In one embodiment of the invention, metal forming system also comprises a track, and high pressure diversing flow system to be arranged among track and to carry out the movement of position up and down along track.
In one embodiment of the invention, metal forming system, also comprises a control unit, and control unit connects high pressure diversing flow system, moves to wherein locate above a mould in order to control high pressure diversing flow system.
In one embodiment of the invention, wherein the periphery of sealed mould and/or shaping mould arranges at least one heater, and heater imposes a high-temperature heating for mould and the sheet metal be placed in mould.
In one embodiment of the invention, metal forming system also comprises a control unit, and control unit connects heater, in order to the heating-up temperature of control heater.
In one embodiment of the invention, wherein heater is an electrothermal tube or a high frequency heater.
In one embodiment of the invention, its high pressure fluid is the mixture of an air, at least one liquid, at least one inert gas or more fluid.
In one embodiment of the invention, wherein the periphery of sealed mould and/or shaping mould arranges at least one heater, heater imposes a high-temperature heating for mould and the sheet metal be placed in mould, and wherein control unit connects heater with the heating-up temperature of control heater.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
The organigram of the existing metal forming system of Fig. 1.
Fig. 2 the present invention has the block schematic diagram of a preferred embodiment of the metal forming system of modularization high pressure diversing flow system.
The organigram of released state one preferred embodiment is presented between Fig. 3 high pressure diversing flow system of the present invention and mould.
The organigram of bonding state one preferred embodiment is presented between Fig. 4 high pressure diversing flow system of the present invention and mould.
The organigram of the another embodiment of bonding state is presented between Fig. 5 high pressure of the present invention diversing flow system and mould.
Wherein, Reference numeral
100 metal forming system 10 control units
11 mould 111 sealed moulds
113 shaping mould 1131 patterned layer
115 heater 117 input ports
13 high pressure diversing flow system 131 fluid supply machines
1311 high-pressure fluid 133 fluid circuits
15 sheet metal 16 metal forming parts
200 metal forming system 20 control units
21 mould 211 sealed moulds
2111 annular seal space 213 shaping moulds
2131 forming cavity 2133 patterned layer
215 heater 217 opening portions
2171 opening seat 2173 sealing rings
23 high pressure diversing flow system 231 fluid supply machines
2311 high-pressure fluid 233 fluid circuits
235 convergence part 25 sheet metals
26 metal forming part 27 tracks
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
First, refer to Fig. 2, there is for the present invention the block schematic diagram of a preferred embodiment of the metal forming system of modularization high pressure diversing flow system.As shown in the figure, metal forming system 200 comprises one or more mould 21 and a modular high pressure diversing flow system 23, the high-pressure fluid that high pressure diversing flow system 23 carries out required for metal forming in order to supply mould 21.
The Making programme of metal forming is generally divided into feed, matched moulds, heating, extrusion forming, cooling, parting, the demoulding ... etc. the various operational phase.Generally speaking when performing the operational phase of extrusion forming, mould 21 often just needs high pressure diversing flow system 23 to supply high-pressure fluid, and when performing other operational phase, high pressure diversing flow system 23 is without the need to supplying high-pressure fluid in the cavity of mould 21.
When wherein mould 21 (as a first mould) wish performs the operational phase of an extrusion forming, high pressure diversing flow system 23 will move on this mould 21 (as the first mould), and combine with this mould 21 (such as: the first mould).After both combine, high pressure diversing flow system 23 will provide a high-pressure fluid in the cavity of mould 21 (as the first mould), make the sheet metal arranged in this mould 21 (as the first mould) shaping to utilize the pressure of fluid.
Metal forming system 200 also comprises control unit 20 and a track 27, and high pressure diversing flow system 23 will be arranged among track 27, and control unit 20 is electrically connected high pressure diversing flow system 23.When mould 21 (as the first mould) wish performs the operational phase of an extrusion forming, control unit 20 orders about high pressure diversing flow system 23 and moves in track 27 position of carrying out up and down, and makes high pressure diversing flow system 23 can move on mould 21 (as the first mould) and supply high-pressure fluid for mould 21 (as the first mould).
Refer to Fig. 3 and Fig. 4, for presenting the organigram of released state one preferred embodiment between high pressure diversing flow system of the present invention and mould and presenting the organigram of bonding state one preferred embodiment between high pressure diversing flow system and mould.As shown in Figures 3 and 4, mould 21 comprises a sealed mould 211 and a molding 213, and sealed mould 211 is provided with an annular seal space 2111 and at least one opening portion 217, and shaping mould 213 is provided with a forming cavity 2131.One sheet metal 25 will be arranged between sealed mould 211 and shaping mould 213, and it may be selected to be the metal material of a stainless steel, copper, Al alloys andMg alloys, titanium alloy, almag, nickel based super alloy, tungsten, molybdenum and/or cobalt.
High pressure diversing flow system 23 comprises fluid supply 231, fluid pipeline 233 and a convergence part 235, and one end of fluid circuit 233 connects fluid supply machine 231 and the other end connects convergence part 235.
When mould 21 does not perform the operational phase of an extrusion forming, the convergence part 235 of high pressure diversing flow system 23 is separated with the opening portion 217 of sealed mould 211, as shown in Figure 3.Relative, when mould 21 performs the operational phase of an extrusion forming, high pressure diversing flow system 23 engages by convergence part 235 with the opening portion 217 of sealed mould 211, as shown in Figure 4.
Moreover the periphery of sealed mould 211 and/or shaping mould 213 arranges at least one heater 215, heater 215 may be selected to be an electrothermal tube or a high frequency heater, and control unit 20 will be electrically connected heater 215.In one embodiment of the invention, when mould 21 is before the operational phase performing extrusion forming, need the operational phase first performing a heating, control unit 20 will impose a high-temperature heating for mould 21 and the sheet metal 25 be placed in mould 21 by control heater 215.
Continue, as shown in Figure 4, when the temperature of sheet metal 25 arrives a design temperature, control fluid supply machine 231 is produced a high-pressure fluid 2311 by control unit 20.This high-pressure fluid 2311 is the mixture of an air, at least one liquid, at least one inert gas or more fluid, is again wherein the best with inert gas.If it is to select helium (Hi), neon (Ne) or nitrogen (N that high-pressure fluid 2311 adopts during inert gas
2) etc. gas.
Afterwards, the high-pressure fluid 2311 that fluid supply machine 231 produces via fluid circuit 233 and opening portion 217 to be directed in annular seal space 2111, high-pressure fluid 2311 will impose fluid pressure for thermoplastic sheet metal 25, cause sheet metal 25 to be attached on the inner surface of shaping mould 213 under the effect of fluid pressure, thus become a metal forming part 26.
In one embodiment of the invention, the inner surface of shaping mould 213 is provided with further a patterned layer 2133.Patterned layer 2133 be pattern, lines, bright, cloudy surface, word and/or other guide manifestation pattern form.After sheet metal 25 is heated and is imposed fluid pressure, sheet metal 25 will overlay carry out on patterned layer 2133 shaping.So, after extrusion forming and the demoulding, can the outer surface carve pattern of metal forming part 26, lines, bright, cloudy surface, word or other guide manifestation.
Consult once again shown in Fig. 3, in one embodiment of the invention, the opening portion 217 of sealed mould 211 includes an opening seat 2171 and at least one sealing ring 2173, and sealing ring 2173 will be located on the periphery place of opening seat 2171.The convergence part 235 of high pressure diversing flow system 23 by be closely bonded on opening portion 217 by sealing ring 2173 opening seat 2171 on.Utilize the setting of sealing ring 2173, the combination made between convergence part 235 and opening seat 2171 is existed one preferably seal, cause can avoid fluid supply machine 231 produce high-pressure fluid 2311 and leak out from the joint space between convergence part 235 and opening seat 2171.
In one embodiment of the invention, metal forming system 200 adopts same control unit 20 to control high pressure diversing flow system 23 and produces high-pressure fluid 2311, controls the displacement of high pressure diversing flow system 23 in track 27 and the heating-up temperature of control heater 215.Or, in further embodiment of this invention, metal forming system 200 also can adopt multiple control unit 20 to control each operational motion respectively, such as: wherein a control unit 20 controls high pressure diversing flow system 23 and produces high-pressure fluid 2311 and displacement, the heating of another control unit 20 control heater 215.
Refer to Fig. 5, for presenting the organigram of the another embodiment of bonding state between high pressure diversing flow system of the present invention and mould.As shown in the figure, the sealed mould 211 of the mould 21 of the present embodiment is provided with multiple opening portion 217 further, and high pressure diversing flow system 23 correspondence arranges the convergence part 235 of equivalent amount, and each convergence part 235 is bonded with each other with each corresponding opening portion 217.
In the present embodiment, the high-pressure fluid 2311 that fluid supply machine 231 supplies is sent to each opening portion 217 via fluid circuit 233, then is flow within annular seal space 2111 by opening portion 217.So implement according to this, sheet metal 25 can receive fluid pressure that high-pressure fluid 2311 applies and then be shaped to metal forming part 26 from multiple opening portion 217.
Comprehensively above-mentioned, metal forming system 200 of the present invention provides one independent of the modularization high pressure diversing flow system 23 outside mould 21, and when mould 21 is for performing the pressurized operation of a metal forming, just control high pressure diversing flow system 23 to be engaged on mould 21, and then provide mould 21 to perform high-pressure fluid needed for the pressurized operation of metal forming.At this, even if metal forming system 200 arranges multiple mould 21, the high-pressure fluid that this single modularization high pressure diversing flow system 23 also can provide each mould 21 to carry out required for pressurized operation one by one, uses and reduces the cost that metal forming system builds machine.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (9)
1. there is a metal forming system for modularization high pressure diversing flow system, it is characterized in that, comprising:
Multiple mould, each mould comprises a sealed mould and a molding respectively, sealed mould is provided with an annular seal space and at least one opening portion, shaping mould is provided with a forming cavity, a sheet metal is provided with between sealed mould and shaping mould, described opening portion comprises an opening seat and at least one sealing ring, and sealing ring is located at the periphery of this opening seat; And
One high pressure diversing flow system, comprise fluid supply, fluid pipeline and at least one convergence part, this convergence part by sealing circle to be closely bonded on this opening seat, one end of fluid circuit connects fluid supply machine and the other end connects convergence part, high pressure diversing flow system independent of outside mould and the operational phase being pursuant to mould to be engaged with the opening portion of the sealed mould of corresponding mould by convergence part or to be separated, wherein the high-pressure fluid supplied of fluid supply machine via fluid circuit and opening portion to be directed in annular seal space, high-pressure fluid will provide fluid pressure for sheet metal and make sheet metal shaping.
2. the metal forming system with modularization high pressure diversing flow system according to claim 1, is characterized in that, the inner surface of this shaping mould is provided with a patterned layer.
3. metal forming system according to claim 1, is characterized in that, also comprises a track, and this high pressure diversing flow system to be arranged among this track and to carry out the movement of position up and down along this track.
4. the metal forming system with modularization high pressure diversing flow system according to claim 3, it is characterized in that, also comprise a control unit, this control unit connects this high pressure diversing flow system, moves to wherein locate above this mould in order to control this high pressure diversing flow system.
5. the metal forming system with modularization high pressure diversing flow system according to claim 1, it is characterized in that, the periphery of sealing mould and/or this shaping mould arranges at least one heater, and this heater imposes a high-temperature heating for this mould and this sheet metal be placed in this mould.
6. the metal forming system with modularization high pressure diversing flow system according to claim 5, is characterized in that, also comprise a control unit, this control unit connects this heater, in order to control the heating-up temperature of this heater.
7. the metal forming system with modularization high pressure diversing flow system according to claim 5, is characterized in that, this heater is an electrothermal tube or a high frequency heater.
8. the metal forming system with modularization high pressure diversing flow system according to claim 1, is characterized in that, this high-pressure fluid is the mixture of an air, at least one liquid, at least one inert gas or more fluid.
9. the metal forming system with modularization high pressure diversing flow system according to claim 4, it is characterized in that, the periphery of sealing mould and/or this shaping mould arranges at least one heater, this heater imposes a high-temperature heating for this mould and this sheet metal be placed in this mould, and wherein this control unit connects this heater to control the heating-up temperature of this heater.
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| CN106563782B (en) * | 2015-10-08 | 2019-05-21 | 蔡蓉 | Metal chassis system of processing and method |
| CN108058317A (en) * | 2016-11-08 | 2018-05-22 | 魏志嘉 | The production method of metallic high temperature gas assisted molding combination plastic cement |
| CN108372250B (en) * | 2016-12-20 | 2019-12-06 | 中国航空制造技术研究院 | control method for superplastic forming process |
| CN108043941B (en) * | 2017-12-07 | 2019-06-18 | 合肥工业大学 | A kind of diaphragm of rubber hydraulic vibration forming device and its processing technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318204A (en) * | 2008-06-03 | 2008-12-10 | 江苏大学 | Infra-red heating tinsel plate pneumatic forming method and apparatus |
| CN201186319Y (en) * | 2008-02-29 | 2009-01-28 | 西安飞机工业（集团）有限责任公司 | Pressurising device for metal plate hot creep forming |
| CN102059287A (en) * | 2009-10-19 | 2011-05-18 | 三星电子株式会社 | Patterning apparatus and patterning method using the same |
| CN202803880U (en) * | 2012-09-14 | 2013-03-20 | 黄启瑞 | Metal forming system with modular high-pressure diversion equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101630U (en) * | 1985-12-13 | 1987-06-29 | ||
| JP2006205188A (en) * | 2005-01-26 | 2006-08-10 | Toyota Motor Corp | Superplastic molding method and superplastic molding apparatus |
| JP2008006463A (en) * | 2006-06-29 | 2008-01-17 | Toyota Motor Corp | Apparatus and method for forming material |
-
2012
- 2012-09-14 CN CN201210343168.3A patent/CN102896196B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201186319Y (en) * | 2008-02-29 | 2009-01-28 | 西安飞机工业（集团）有限责任公司 | Pressurising device for metal plate hot creep forming |
| CN101318204A (en) * | 2008-06-03 | 2008-12-10 | 江苏大学 | Infra-red heating tinsel plate pneumatic forming method and apparatus |
| CN102059287A (en) * | 2009-10-19 | 2011-05-18 | 三星电子株式会社 | Patterning apparatus and patterning method using the same |
| CN202803880U (en) * | 2012-09-14 | 2013-03-20 | 黄启瑞 | Metal forming system with modular high-pressure diversion equipment |
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