CN100591436C - Infra-red heating tinsel plate pneumatic forming method and apparatus - Google Patents
Infra-red heating tinsel plate pneumatic forming method and apparatus Download PDFInfo
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- CN100591436C CN100591436C CN200810122612A CN200810122612A CN100591436C CN 100591436 C CN100591436 C CN 100591436C CN 200810122612 A CN200810122612 A CN 200810122612A CN 200810122612 A CN200810122612 A CN 200810122612A CN 100591436 C CN100591436 C CN 100591436C
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Abstract
The invention relates to an air pressure forming method of an infrared heating metal foil plate and a device; wherein, the method includes the steps of accurately heating a metal foil plate with an infrared heat source, applying pressure to the softened metal foil plate with high pressure gas and realizing the precise forming of the metal foil plate by matching a micro mold; the device consists ofa bottom plate, an upper pressure plate, a micro mold, a gas pressure nozzle, a three-dimensional mobile platform, a three-dimensional mobile platform controller, an air compressor, a computer, a drive, an infrared radiation thermometer, a three-dimensional worktable and an infrared focusing heating device. The method and the device integrates the technologies of infrared heating, infrared temperature measurement and air pressure forming to a micro-forming process, thus improving the forming performance of the metal foil plate, ensuring the quality of the surfaces of work pieces; the high pressure gas is used for replacing a male mold, thus simplifying the technique, causing the loading pressure to be more even and strengthening the filling ability; the method and the device can realize the low cost and mass production of the metal foil plate by combining an array female mold.
Description
Technical field
The present invention relates to little shaping field, refer in particular to a kind of method and device of infra-red heating tinsel plate pneumatic forming, the quick shaping of its suitable metal paper tinsel plate in conjunction with infrared heating and gas pressure compacting technology, is particularly suitable for the low little shaping of metal forming plate of crystallized ability.
Background technology
Along with developing rapidly of industrial technology, micro element in the application in fields such as Aero-Space, precision instrument, biologic medical more and more widely, miniature parts demand to various materials is increasing, and processing technology, processing cost and the batch etc. to micro element have also proposed new requirement simultaneously.Existing micromachining technology and technology towards MEMS is to grow up on the basis of integrated circuit, mainly depend on Micrometer-Nanometer Processing Technologies such as LIGA, photoetching, etching, the restriction that is subject to processing problems such as efficient is low, cost is high, contaminated environment is difficult to satisfy the industrialization production requirement.Therefore, Micrometer-Nanometer Processing Technology presses for and explores new little forming technology.
In order to overcome above drawback, develop rapidly based on traditional plastic forming process, in conjunction with the micro-plasticity forming technology of plastic processing method can the various 3 D complex shapes of precision form little metal and non-metal workpiece.The size of part can reach 500nm to 500 mu m ranges, have the cycle short, technology is simple, cost is low, near-net-shape, characteristics that element precision is high, is particularly suitable for the batch process of little member.Little shaping of metal forming plate is as the important branch in micro-plasticity forming field, and its range of application is very extensive.
But also there are some problems in present micro-plasticity forming, because chilly crowded resistance of deformation is big, and is subjected to the influence of material category, crystallite dimension and orientation bigger, causes chilly crowded distortion, mold filling inhomogeneous, the technological parameter instability.Therefore the researcher actively seeks new plastic forming process to solve the problem of crystallized ability difference, as the patent No. is the method that ZL200510047029.6 proposes a kind of hydraulic pressure or gas pressure compacting plate, can obtain uniform filling pressure, but not relate to little shaping of paper tinsel plate; Publication number is the method that the patent of CN1903473 proposes a kind of warm forming, though can improve crystallized ability, needs the heating punch, has increased the complexity of technology; Publication number is the method that the patent of CN2774673 proposes to utilize warm hydroforming, but very high to the sealing requirements of mould, is not suitable for little shaping equally; The patent No. is that 5419170 United States Patent (USP)s have proposed a kind of device based on gas pressure compacting, can accurately control gas pressure, but does not have help for the ability of sheet forming.
From as can be seen above, people have begun gas pressure compacting is applied to Plastic Forming, but seldom use in little shaping.Same warm forming technology also begins to be applied to Plastic Forming, but has complex process, and uneven phenomenon is shaped.
Summary of the invention
The method and the device that the purpose of this invention is to provide a kind of infra-red heating tinsel plate pneumatic forming are to solve the deficiencies in the prior art.
The method of the said infra-red heating tinsel plate pneumatic forming of the present invention, be to utilize infrared heat source that the metal forming plate is accurately heated, make the plastic fluidity of material strengthen, crystallized ability improves, utilize gases at high pressure to softening metal forming plate pressurization, cooperate minisize mould, realize the precision form of metal forming plate.
The present invention for realizing the designed device of said method is: a kind of device of infra-red heating tinsel plate pneumatic forming, by base plate, minisize mould, top board, air pressure shower nozzle, three-dimensional mobile platform, three-dimensional mobile platform controller, air compressor, computer, driver, infrared radiation thermometer, three-dimensional working platform, infrared focusing heating instrument is formed; Wherein, three-dimensional mobile platform controller links to each other with three-dimensional mobile platform by data wire, below three-dimensional mobile platform, spray nozzle of atmospheric pressure is installed, spray nozzle of atmospheric pressure links to each other with air compressor, be top board, minisize mould and base plate successively below spray nozzle of atmospheric pressure, be used to place metal forming plate to be processed between top board and the minisize mould; Floor below is infrared focusing heating instrument, infrared focusing heating instrument is installed on the three-dimensional working platform, infrared radiation thermometer also is installed on the three-dimensional working platform, three-dimensional working platform links to each other with driver, and said three-dimensional mobile platform controller, air compressor, driver link to each other with computer respectively with infrared radiation thermometer.
The device of the said infra-red heating tinsel plate pneumatic forming of the present invention, its base plate middle part has rectangular channel, and top board has array through-hole, with the die position consistency on the minisize mould.
According to the function needs of design, the infrared heat source after the focusing can carry out contactless heating to the metal forming plate, makes the metal forming plate be heated evenly, the workpiece yield strength reduces greatly, the plastic fluidity of deformed area strengthens, and it is softening to make that the metal forming plate takes place before shaping, improves crystallized ability.
Function needs according to design, utilize gases at high pressure to the softening metal forming plate load of exerting pressure, because the good uniformity of gas makes that the plastic deformation of metal forming plate is even, the stress after avoiding being shaped is concentrated, utilize gas to replace punch, the metal forming plate is compressed into die, simplify forming technology, can obtain higher working (machining) efficiency, do not pollute the drip molding surface, improved the yield rate of metal forming plate.
Function needs according to design, utilize infrared radiation thermometer can accurately measure heating-up temperature, and the temperature information of measuring is in time fed back to computer, computer can be controlled the time of heating in real time, in the scope that processing needs, avoid overheated and underheat to guarantee heating-up temperature.
Function needs according to design, the minisize mould material is the infrared permeation material, the base plate middle part has rectangular channel, guaranteeing to focus on infrared heat source fully heats the metal forming plate through minisize mould, send instruction by computer to driver, the control three-dimensional working platform accurately moves, and drives infrared focusing heating instrument motion on the three-dimensional working platform, the accurate heating to the metal forming plate of realization.
According to the function needs of design, spray nozzle of atmospheric pressure according to the position of array die on the minisize mould, is realized the processing of metal forming plate diverse location along with three-dimensional mobile platform accurately moves; Top board has array through-hole, and with the die position consistency on the minisize mould, spray nozzle of atmospheric pressure applies air pressure by through hole to the metal forming plate.Shaping different metal paper tinsel plate adopts different minisize mould and top board.
The method of infra-red heating tinsel plate pneumatic forming involved in the present invention and device, infrared heating, infrared measurement of temperature, gas pressure compacting technology are dissolved into little forming technology, can improve the forming property of metal forming plate, guarantee workpiece surface quality, utilized gases at high pressure to replace punch, simplified technology, make that also on-load pressure is more even, the mold filling ability is enhanced, and in conjunction with the array die, the low cost that can realize the little shaping of metal forming plate is with in enormous quantities.
Description of drawings:
Fig. 1 is the device schematic diagram of a kind of infra-red heating tinsel plate pneumatic forming of proposition according to the present invention.
Fig. 2 is the top board with array through-hole.
Fig. 3 is the base plate with rectangular channel.
1: base plate, 2: top board, 3: minisize mould, 4: metal forming plate, 5: the air pressure shower nozzle, 6: three-dimensional mobile platform, 7: three-dimensional mobile platform controller, 8: air compressor, 9: computer, 10: driver, 11: infrared radiation thermometer, 12: three-dimensional working platform, 13: infrared focusing heating instrument
The specific embodiment:
The device of a kind of infra-red heating tinsel plate pneumatic forming that the present invention proposes as shown in Figure 1, whole building mortion is made up of 12 parts.Three-dimensional mobile platform controller 7 links to each other with three-dimensional mobile platform 6 by data wire, below three-dimensional mobile platform 6, spray nozzle of atmospheric pressure 5 is installed, spray nozzle of atmospheric pressure 5 links to each other with air compressor 8, be top board 2, minisize mould 3 and base plate 1 successively below spray nozzle of atmospheric pressure 5, be used to place metal forming plate 4 to be processed between top board 2 and the minisize mould 3; Base plate 1 below is infrared focusing heating instrument 13, infrared focusing heating instrument 13 is installed on the three-dimensional working platform 12, infrared radiation thermometer 11 also is installed on the three-dimensional working platform 12, three-dimensional working platform 12 links to each other with driver 10, and said three-dimensional mobile platform controller 7, air compressor 8, driver 10 and infrared radiation thermometer 11 link to each other with computer 9 respectively.Implementation process is specific as follows, is that the metal forming plate 4 of 10 μ m is an example with stretch forming thickness.
At first minisize mould 3 is fixed on the base plate 1, be processed with the stretching die of array on the minisize mould 3, is thickness that the metal forming plate 4 of 10 μ m lies on the minisize mould 3, compress metal forming plate 4 with top board 2, guarantee through hole on the top board 2 directly over each array die on the minisize mould 3, and with bolt that base plate 1 and top board 2 is fixing.
Next utilizes computer 9 to send instruction to driver 10, by driver 10 control three-dimensional working platforms 12, make the infrared focusing heating instrument 13 on the three-dimensional working platform 12 arrive heating location, open infrared focusing heating instrument 13, the infrared heat source after the focusing carries out the noncontact heating to minisize mould 3 first die upper metal paper tinsel plates 4.
Utilize computer 9 to send instruction to three-dimensional mobile platform controller 7 then, three-dimensional mobile platform controller 7 controls are installed in the Working position of spray nozzle of atmospheric pressure 5 arrival minisize moulds 3 first dies tops on the three-dimensional mobile platform 6; Open infrared radiation thermometer 11, infrared radiation thermometer 11 feeds back to computer 9 with the temperature information of measuring, reach the softening temperature of metal forming plate 4 when heating-up temperature, utilize computer 9 to open air compressor 8 and controlled pressure size, gases at high pressure are through spray nozzle of atmospheric pressure 5 ejections, through loading to metal forming plate 4 in the through hole in the top board 2.
When metal forming plate 4 evenly is full of on the minisize mould 3 behind first die, computer 9 sends instruction to driver 10, metal forming plate 4 heating of 3 second the die tops of 13 pairs of minisize moulds of infrared focusing heating instrument on the driver 10 control three-dimensional working platforms 12, simultaneous computer 9 sends instruction to three-dimensional mobile platform controller 7, three-dimensional mobile platform controller 7 controls are installed in the Working position of spray nozzle of atmospheric pressure 5 arrival minisize moulds 3 first dies tops on the three-dimensional mobile platform 6, when infrared temperature measurer 11 measure metal forming plates 4 reach softening temperature after, promptly utilize 5 pairs of metal forming plates of spray nozzle of atmospheric pressure 4 to load.
According to above processing sequence, in conjunction with array die on the minisize mould 3, make metal forming plate 4 copy the die shape of array, realize mass production.
Claims (3)
1. the method for an infra-red heating tinsel plate pneumatic forming is characterized in that, utilizes infrared heat source that the metal forming plate is accurately heated, and utilizes gases at high pressure to softening metal forming plate pressurization again, cooperates minisize mould, realizes the precision form of metal forming plate.
2. infra-red heating tinsel plate pneumatic forming device of implementing the described method of claim 1, it is characterized in that, form by base plate, minisize mould, top board, air pressure shower nozzle, three-dimensional mobile platform, three-dimensional mobile platform controller, air compressor, computer, driver, infrared radiation thermometer, three-dimensional working platform and infrared focusing heating instrument; Wherein, three-dimensional mobile platform controller links to each other with three-dimensional mobile platform by data wire, below three-dimensional mobile platform, spray nozzle of atmospheric pressure is installed, spray nozzle of atmospheric pressure links to each other with air compressor, be top board, minisize mould and base plate successively below spray nozzle of atmospheric pressure, be used to place metal forming plate to be processed between top board and the minisize mould; Floor below is infrared focusing heating instrument, infrared focusing heating instrument is installed on the three-dimensional working platform, infrared radiation thermometer also is installed on the three-dimensional working platform, three-dimensional working platform links to each other with driver, and said three-dimensional mobile platform controller, air compressor, driver link to each other with computer respectively with infrared radiation thermometer.
3. according to the described infra-red heating tinsel plate pneumatic forming device of claim 2, it is characterized in that described base plate middle part has rectangular channel, top board has array through-hole, the die position consistency on array through-hole and the minisize mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810122612A CN100591436C (en) | 2008-06-03 | 2008-06-03 | Infra-red heating tinsel plate pneumatic forming method and apparatus |
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| CN200810122612A CN100591436C (en) | 2008-06-03 | 2008-06-03 | Infra-red heating tinsel plate pneumatic forming method and apparatus |
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| CN101318204A CN101318204A (en) | 2008-12-10 |
| CN100591436C true CN100591436C (en) | 2010-02-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896196B (en) * | 2012-09-14 | 2015-07-01 | 黄启瑞 | Metal forming system with modular high-pressure fluid guiding device |
| CN102998333B (en) * | 2012-11-26 | 2015-07-29 | 浙江理工大学 | A kind of measurement mechanism of surface coefficient of heat transfer and method |
| CN103769460B (en) * | 2014-01-15 | 2015-09-30 | 江苏大学 | A kind of method and device making sheet material microsecond delay based on drive of high-pressure gas |
| TWI504872B (en) * | 2014-09-26 | 2015-10-21 | China Steel Corp | Calibrating method for infrared thermometers and manufacturing controlling system using the same |
| CN107983817A (en) * | 2017-11-30 | 2018-05-04 | 无锡市天运五金机电有限公司 | A kind of hardware stamping machine with great heat radiation effect |
| CN109922242A (en) * | 2019-03-14 | 2019-06-21 | 深圳市优冠安防科技有限公司 | One kind is infrared to automatically track ball machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474044A (en) * | 1982-09-02 | 1984-10-02 | Mcdonnell Douglas Corporation | Apparatus and process for superplastically forming metals |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474044A (en) * | 1982-09-02 | 1984-10-02 | Mcdonnell Douglas Corporation | Apparatus and process for superplastically forming metals |
Non-Patent Citations (2)
| Title |
|---|
| 微细塑性成形工艺实现及最新研究进展. 马智慧等.模具技术，第3期. 2008 |
| 微细塑性成形工艺实现及最新研究进展. 马智慧等.模具技术，第3期. 2008 * |
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