CN103418795A - Micro-sealing method using vacuum and high pressure - Google Patents
Micro-sealing method using vacuum and high pressure Download PDFInfo
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- CN103418795A CN103418795A CN2013100958321A CN201310095832A CN103418795A CN 103418795 A CN103418795 A CN 103418795A CN 2013100958321 A CN2013100958321 A CN 2013100958321A CN 201310095832 A CN201310095832 A CN 201310095832A CN 103418795 A CN103418795 A CN 103418795A
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- sealing material
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000003566 sealing material Substances 0.000 claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 239000011148 porous material Substances 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract 1
- 239000011799 hole material Substances 0.000 description 65
- 101001031591 Mus musculus Heart- and neural crest derivatives-expressed protein 2 Proteins 0.000 description 15
- 230000000740 bleeding effect Effects 0.000 description 9
- 238000004663 powder metallurgy Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- -1 depression Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
A micro-sealing method using vacuum and high pressure comprises the following steps: the method comprises the steps of firstly placing a pore object with a plurality of pores on the surface into a cavity of a hole sealing device, then vacuumizing the cavity, then feeding a hole sealing material into the cavity, and finally increasing the pressure of the hole sealing material to force the hole sealing material to be filled into the pores of the pore object. The cavity is vacuumized to remove the gas in the pores of the porous object, so that the hole sealing material can be smoothly filled in the pores without being blocked by the gas, and a better hole sealing effect is achieved. Therefore, the defective products which should be discarded and eliminated originally or be recast become available, and not only can the resource waste be reduced, but also the manufacturing cost can be reduced.
Description
Technical field
The present invention relates to a kind of method for sealing, particularly relate to a kind of micro-method for sealing that utilizes vacuum and high pressure.
Background technology
In the common mechanical industry, usually by process technologies such as casting (casting), powder metallurgy (powder metallurgy), carry out the spare part of production machinery.So-called foundry engieering, be exactly first raw metal heated and make its fusing, then the molten metal of melting is cast in the mold of given shape, just becomes a cast member with given shape after its cooled and solidified.Most metal spare parts can be selected to cast as the first procedure of processing, are because foundry engieering can produce complex-shaped or volume is large, the heavier mo(u)lding of weight, and can produce in a large number and then have higher production efficiency.
Yet in the process of casting often because the difficult parameters such as pouring temperature, poring rate to control exactly, and then easily produce the mo(u)lding that surface has the defects such as slight crack, pore, depression, hole or crack, so usually must eliminate a large amount of defective products, cause the empty consumption of resource and the increase manufacturing cost.
Powder metallurgy is to take metal dust as raw material, and manufactures various finished products through operations such as compression forming and sintering.Because PM technique can directly be made raw material the finished product of final size, can reduce the consumption of the processing such as follow-up machine cut to material so stock utilization is high, and then be applicable to for manufacturing the huge product of single shape and quantity, and can reduce the cost of product.Yet the finished product of powder metallurgy equally also easily produces hole.
Because casting and PM technique can be produced fast and in large quantities, but only because the defects such as lip-deep hole abandon and the part finished product of mo(u)lding or powder metallurgy must be eliminated, unfortunately tangible.In addition, general industry is used for engaging the welding method of two metal objects, also easily on the surface of welding bead, stays the defects such as pore, be full of cracks.In order to reduce the wasting of resources and to reduce manufacturing cost, some dealer can use the mode of plating, zinc is plated on to the surface of finished product of described powder metallurgy or the surface of mo(u)lding, thus the hole of sealing aforementioned surfaces.But be only the simple sealing of hole mode of electroplating of utilizing, in fact unsatisfactory, because the gas be present in hole can hinder and make plated film to generate, make the sealing of hole poor effect in hole, so method for sealing effect in the past is poor.
Summary of the invention
The object of the present invention is to provide a kind of sealing of hole effect better and can reduce the wasting of resources and the micro-method for sealing that utilizes vacuum and high pressure that reduces manufacturing cost.
The present invention utilizes micro-method for sealing of vacuum and high pressure, comprises: steps A: the hole thing that a surface is had to several holes is put into a cavity of a hole sealing device; And step C a: sealing material is sent in this cavity.This utilizes micro-method for sealing of vacuum and high pressure also to comprise: the step B before step C: this cavity is vacuumized; And the step D after step C: increase the pressure of this sealing material, force this sealing material to be inserted in the hole of this hole thing.
The micro-method for sealing that utilizes vacuum and high pressure of the present invention, in step B, the atmospheric pressure value in this cavity is 10
-1～10
-5Torr.
The micro-method for sealing that utilizes vacuum and high pressure of the present invention, in step D, the force value of this sealing material is 50～6000bar.
The micro-method for sealing that utilizes vacuum and high pressure of the present invention, in step D, after sealing material fills up this cavity, continue sealing material is transferred to increase towards this cavity the pressure of sealing material.
The micro-method for sealing that utilizes vacuum and high pressure of the present invention, in step D, after sealing material fills up this cavity, inwardly push the pressure that sealing material increases sealing material.
Beneficial effect of the present invention is: by step B, this cavity being vacuumized, remove the intrapore gas of this hole thing, the pressure process of matching step D, sealing material can successfully be inserted in described hole and can not hindered by gas, thereby have preferably sealing of hole effect.Formerly should be lost, eliminate thereby allow, or the defective products that will again be cast again becomes available, can not only reduce the wasting of resources, can also reduce manufacturing cost.
The accompanying drawing explanation
Fig. 1 is a cross-sectional schematic, shows the hole sealing device that the present invention utilizes first preferred embodiment of micro-method for sealing of vacuum and high pressure to be used in conjunction with;
Fig. 2 is the process block diagram of this first preferred embodiment;
Fig. 3 is the schematic flow sheet that each step is carried out in this first preferred embodiment;
Fig. 4 is a cross-sectional schematic, shows the hole sealing device that the present invention utilizes second preferred embodiment of micro-method for sealing of vacuum and high pressure to be used in conjunction with;
Fig. 5 is the wherein schematic flow sheet of two steps of this second preferred embodiment.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail, is noted that in the following description content, and similarly element means with identical numbering.
Consult Fig. 1,2,3, the present invention utilizes first preferred embodiment of micro-method for sealing of vacuum and high pressure, is by the coordinating an of hole sealing device 1 and a sealing material, and seals the unshowned hole of several figure on the surface of a hole thing 2.On the implementation, this hole thing 2 can be the sinter of mo(u)lding, pottery, powder metallurgy, or other surfaces itself just have the material of hole.
In this preferred embodiment, this hole sealing device 1 comprises that defines a cavity 11 that is installed in chamber 12, and a chamber lid 13 that is arranged on this cavity 11 and can seals this opening that is installed in chamber 12 with opening.This cavity 11 has with this and is installed in a feeding port that chamber 12 is communicated with 14, a discharge gate 15, and a bleeding point 16.This hole sealing device 1 is sent into this by sealing material via this feeding port 14 by a feed mechanism 101 and is installed in chamber 12, and by sealing material, via these discharge gate 15 discharges, this is installed in outside chamber 12 by a discharge mechanism 102, in addition, this hole sealing device 1 also can be extracted gas out this via this bleeding point 16 by an extraction sector 103 and is installed in outside chamber 12.
Wherein, the valve do not shown in being separately installed with several figure with this bleeding point 16 at this feeding port 14, this discharge gate 15, be installed in whether being communicated with of chamber 12 thereby control respectively this feeding port 14, this discharge gate 15 and this bleeding point 16 with this.Due to the how driven and folding of described valve, how driven this feed mechanism 101 is and feeding, how driven this discharge mechanism 102 is and discharge, and how driven this extraction sector 103 is and the emphasis of all non-the present invention's improvement of bleeding no longer describes in detail.
The method for sealing of the present embodiment sequentially comprises the following step:
Step 91: the chamber of this hole sealing device 1 lid 13 is opened, and this hole thing 2 that surface has several holes is put into to this cavity 11 be installed in chamber 12, then these chamber lid 13 lids are located on this cavity 11 and seal the opening that this is installed in chamber 12.
Step 92: this cavity 11 is vacuumized, drive this extraction sector 103, and will be present in this gas be installed in chamber 12 and extract out via this bleeding point 16, at the same time, this feeding port 14 and this discharge gate 15 be neither to be installed in chamber 12 with this and to be communicated with.This is installed in to the purpose that chamber 12 vacuumizes and is, remove the intrapore gas on these hole thing 2 surfaces, be beneficial to sealing material and flow in aforementioned hole.In the present embodiment, the atmospheric pressure value that is installed in chamber 12 when this cavity 11 is 10
-1～10
-5During torr, just can carry out next step.
Step 93: drive this feed mechanism 101, and sealing material is sent into to being installed in chamber 12 of this cavity 11 via this feeding port 14.At the same time, this bleeding point 16 and this discharge gate 15 are neither is installed in chamber 12 with this and is communicated with.
Step 94: when sealing material fill up this cavity 11 be installed in chamber 12 after, continuation is installed in chamber 12 by sealing material towards this and transfers, that is to say at this and be installed under the situation of the constancy of volume of chamber 12, by being contained in the sealing material in this feed mechanism 101, push and increase and be contained in the pressure that this is installed in the sealing material in chamber 12, force sealing material to be inserted in the hole of this hole thing 2.It should be noted that, first the intrapore gas of this hole thing 2 is removed when step 92, then matching step 94 add press seal material action, can allow sealing material positively insert and be attached in the hole of this hole thing 2, and reach the sealing of hole purpose.In the present embodiment, the force value of this sealing material is 50～6000bar, with regard to enough pressure is arranged, sealing material is positively inserted in hole, and produces good sealing of hole effect.
Step 95: drive this discharge mechanism 102, and sealing material is discharged to being installed in outside chamber 12 of this cavity 11 via this discharge gate 15.At the same time, this feeding port 14 and this bleeding point 16 are neither is installed in chamber 12 with this and is communicated with.On the implementation, between this feed mechanism 101 and this discharge mechanism 102, also can be connected, make the sealing material of sending in this discharge mechanism 102, can be sent back in this feed mechanism 101, for sealing of hole processing procedure next time.
Step 96: after being installed in sealing material in chamber 12 and all being discharged by this discharge gate 15 of this cavity 11, by this extraction sector 103, gas is sent into to this via this bleeding point 16 and be installed in chamber 12, atmospheric pressure value in this is installed in chamber 12 returns to when identical with external environment, just the chamber of this hole sealing device 1 lid 13 can be opened, and have this hole thing 2 of sealing material to take out surface-coated.After this, according to the sealing material that uses, select natural drying or carry out the operation such as heating, drying, due to the emphasis of the non-the present invention's improvement of the technological means that makes the sealing material drying, no longer describing in detail.
It should be noted that, also can once several hole things 2 be put into to this hole sealing device 1 and carry out sealing of hole according to demand on the implementation, to save manufacturing time, namely put into the quantity of the hole thing 2 of this hole sealing device 1, the disclosed form of the present embodiment of not take is restriction at every turn.
The sealing material of the present embodiment can be divided into organic and inorganic two kinds haply, and, according to corrosion condition and the operating temperature of the environment for use of this hole thing 2, selection can high temperature resistant or erosion-resisting sealing material.For instance, not high in operating temperature, but, when atmosphere, seawater etc. hold corrosion-prone environment, can select organic sealing materials such as vinyl, phenolic aldehyde, epoxy resin and polyurethane.When hot environment, but the inorganic sealing hole material such as choice for use asphaltic base aluminium paste, aluminium silicone resin.
In addition, the selection of sealing material also must be considered the pore size of this hole thing 2, if the hole of hole thing 2 hour, the stickiness of sealing material will hang down and could successfully flow in hole, when if hole is larger, can use the sealing material that stickiness is higher.In addition, the mode of sealing material drying also can be divided into the kinds such as natural drying type, baking-type, irradiation solidify, and because sealing material can be in fact resin, coating or viscose, its kind is too numerous to enumerate, and be to do selection according to demand when implementing, at this, do not need restriction.
From above explanation, the present invention coordinates this hole thing 2 to select applicable sealing material, and by step 92, this cavity 11 being vacuumized, remove the intrapore gas of this hole thing 2, the pressure process of matching step 94, can allow sealing material more successfully insert in described hole and can not hindered by gas, therefore, the present invention can more effectively fill up hole, and then has preferably sealing of hole effect.Formerly should be lost, eliminate thereby allow, or the defective products that will again be cast again becomes available, can not only reduce the wasting of resources, can also reduce manufacturing cost.
Consult Fig. 4,5, the present invention utilizes second preferred embodiment and this first preferred embodiment of micro-method for sealing of vacuum and high pressure roughly the same, the difference of the two is: the chamber lid 13 of the hole sealing device 1 of the present embodiment is subject to the driving of a compressing mechanism 104, and then can be installed in the interior compression of chamber 12 towards this, on the implementation, this chamber lid 13 can be arranged on this hole sealing device 1 with the form of this compressing mechanism 104 with the pressurization drift, emphasis due to the how driven non-the present invention's improvement of this compressing mechanism 104, no longer describe in detail.
The present embodiment equally first vacuumizes this cavity 11, and when sealing material fill up this cavity 11 be installed in chamber 12 after, just can this chamber lid 13 inwardly be pushed to sealing material by this compressing mechanism 104, compress the volume that this is installed in chamber 12, thereby increase the pressure of sealing material, force sealing material to be inserted in the hole of this hole thing 2.Therefore, the present embodiment has the effects such as better sealing of hole effect of this first preferred embodiment equally.
Claims (6)
1. a micro-method for sealing that utilizes vacuum and high pressure comprises: steps A: the hole thing that a surface is had to several holes is put into a cavity of a hole sealing device; And step C a: sealing material is sent in this cavity; It is characterized in that: this utilizes micro-method for sealing of vacuum and high pressure also to comprise: the step B before step C: this cavity is vacuumized; And the step D after step C: increase the pressure of this sealing material, force this sealing material to be inserted in the hole of this hole thing.
2. the micro-method for sealing that utilizes vacuum and high pressure according to claim 1 is characterized in that: in step B, the atmospheric pressure value in this cavity is 10
-1～10
-5Torr.
3. the micro-method for sealing that utilizes vacuum and high pressure according to claim 1, it is characterized in that: in step D, the force value of this sealing material is 50～6000bar.
4. the micro-method for sealing that utilizes vacuum and high pressure according to claim 2, it is characterized in that: in step D, the force value of this sealing material is 50～6000bar.
5. according to the described micro-method for sealing that utilizes vacuum and high pressure of arbitrary claim in claim 1 to 4, it is characterized in that: in step D, after sealing material fills up this cavity, continue sealing material is transferred to increase towards this cavity the pressure of sealing material.
6. according to the described micro-method for sealing that utilizes vacuum and high pressure of arbitrary claim in claim 1 to 4, it is characterized in that: in step D, after sealing material fills up this cavity, inwardly push the pressure that sealing material increases sealing material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101117586 | 2012-05-17 | ||
| TW101117586A TW201347875A (en) | 2012-05-17 | 2012-05-17 | Micro pore-seal method utilizing vacuum and high pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103418795A true CN103418795A (en) | 2013-12-04 |
Family
ID=49644455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100958321A Pending CN103418795A (en) | 2012-05-17 | 2013-03-25 | Micro-sealing method using vacuum and high pressure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103418795A (en) |
| TW (1) | TW201347875A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739025A (en) * | 2016-11-23 | 2017-05-31 | 武汉理工大学 | The post-processing approach of 3D printing proton exchange film fuel cell electric piling inlet manifold |
| CN107671294A (en) * | 2016-08-01 | 2018-02-09 | 通用电气公司 | Make high temperature insostatic pressing (HIP) jacket and the heat and other static pressuring processes of preformed member are produced using the jacket |
| CN112194960A (en) * | 2020-10-09 | 2021-01-08 | 河海大学常州校区 | Abrasion-resistant iron-based amorphous coating hole sealing agent, preparation method, hole sealing method and hole sealing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900940A (en) * | 1974-03-20 | 1975-08-26 | Impco Inc | Method of impregnating a sintered porous metal article to make the article liquid-tight |
| CN85101272A (en) * | 1985-04-01 | 1987-01-24 | 阿托西尔国际有限公司 | The equipment that is used for impregnating porous products |
| CN101060918A (en) * | 2005-07-29 | 2007-10-24 | 米卡多机器贩卖株式会社 | Vacuum high pressure filling equipment |
-
2012
- 2012-05-17 TW TW101117586A patent/TW201347875A/en unknown
-
2013
- 2013-03-25 CN CN2013100958321A patent/CN103418795A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900940A (en) * | 1974-03-20 | 1975-08-26 | Impco Inc | Method of impregnating a sintered porous metal article to make the article liquid-tight |
| CN85101272A (en) * | 1985-04-01 | 1987-01-24 | 阿托西尔国际有限公司 | The equipment that is used for impregnating porous products |
| CN101060918A (en) * | 2005-07-29 | 2007-10-24 | 米卡多机器贩卖株式会社 | Vacuum high pressure filling equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671294A (en) * | 2016-08-01 | 2018-02-09 | 通用电气公司 | Make high temperature insostatic pressing (HIP) jacket and the heat and other static pressuring processes of preformed member are produced using the jacket |
| CN106739025A (en) * | 2016-11-23 | 2017-05-31 | 武汉理工大学 | The post-processing approach of 3D printing proton exchange film fuel cell electric piling inlet manifold |
| CN106739025B (en) * | 2016-11-23 | 2019-01-04 | 武汉理工大学 | The post-processing approach of 3D printing proton exchange film fuel cell electric piling inlet manifold |
| CN112194960A (en) * | 2020-10-09 | 2021-01-08 | 河海大学常州校区 | Abrasion-resistant iron-based amorphous coating hole sealing agent, preparation method, hole sealing method and hole sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201347875A (en) | 2013-12-01 |
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Application publication date: 20131204 |