CN105290468A - Device and method for preparing structure-controllable prefabricated part - Google Patents
Device and method for preparing structure-controllable prefabricated part Download PDFInfo
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- CN105290468A CN105290468A CN201410375114.4A CN201410375114A CN105290468A CN 105290468 A CN105290468 A CN 105290468A CN 201410375114 A CN201410375114 A CN 201410375114A CN 105290468 A CN105290468 A CN 105290468A
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Abstract
The invention provides a device and a method for preparing a structure-controllable prefabricated part. The device comprises a bracket 1, a milling cutter 2, a refrigerating table 3, a refrigerating cup 4, a horizontal moving worktable 5, a vertical moving worktable 6, a vertical support guide rail 7 and a support table 8, wherein the two ends of the vertical support guide rail 7 are respectively connected with the bracket 1; the vertical moving worktable 6 and the vertical support guide rail 7 are oppositely arranged, and the two ends thereof are respectively connected with the bracket 1; the support table 8 is respectively connected with the vertical moving worktable 6 and the vertical support guide rail 7; the horizontal moving worktable 5 is connected with the support table 8; the refrigerating cup 4 is arranged on the horizontal moving worktable 5, and is connected with the horizontal moving worktable 5; the refrigerating table 3 is arranged in the refrigerating cup 4; and the milling cutter 2 is connected to the upper part of the bracket 1. The invention further provides a method for preparing a powder prefabricated part by using the device for preparing the structure-controllable prefabricated part; and the device has the beneficial effects of simple structure, easy realization of automatic control, high efficiency and low cost.
Description
Technical field
The present invention relates to a kind of prefabricated component preparation facilities of high-heat-conductive composite material field, particularly, relate to a kind of utilize layer spread method prepare powder thickness controlled prepare structure-controllable Prefabricated element and method.
Background technology
In recent years, along with the fast development of the aspect technology such as aviation, large scale integrated circuit, military communication, microelectronics, the increase of integrated circuit integrated level, power constantly increases and makes to require to increase gradually to the heat conductivility of electronic package material, traditional electronic package material has Al, Cu, W-Cu, Mo-Cu alloy etc., its thermal conductivity is low, coefficient of thermal expansion is high, density is large, there is certain defect.Particle enhanced aluminum-based composite material is as one of new function material, and it has higher thermal conductivity, the lower coefficient of expansion, low density, has broad application prospects in Electronic Packaging field.Particle enhanced aluminum-based composite material, by adjusting the proportioning between size and volume fraction and variable grain strengthening particle, can regulate and control its physical and mechanical properties, thus meet the requirement of electronic package material.
Through finding the literature search of prior art, (near-net-shape prepares SiC to Liu Junwu etc.
p/ Al composite II: SiC preform Spontaneous Melt Infiltration ZL101, China YouSe Acta Metallurgica Sinica, 2007,17 (12): 2023-2027) structure species of the prefabricated component prepared by pressureless impregnation method is more single, can not the bone porous structure of control SiC flexibly, the thermal conductivity of the aluminum silicon carbide composite material prepared is 136W/ (m.k) to 118W/ (m.k), and the mean coefficient of linear thermal expansion of room temperature to 100 DEG C is between 9.98x10
-6k
-1to 7.69x10
-6k
-1between, its thermal conductivity is lower, and average coefficient of linear expansion is comparatively large, can not meet the cooling requirements of great-power electronic encapsulation.
Summary of the invention
For defect of the prior art, the object of this invention is to provide one and prepare structure-controllable Prefabricated element, this device structure is simple, is easy to operation, can realizes automation, have good practical value.
According to an aspect of the present invention, one is provided to prepare structure-controllable Prefabricated element, comprise: support 1, milling cutter 2, refrigeration platform 3, refrigeration cup 4, move horizontally workbench 5, vertical travelling table 6, vertical supporting guide 7 and brace table 8, vertical supporting guide 7 two ends are connected with support 1 respectively, vertical travelling table 6 is oppositely arranged with vertical supporting guide 7 and two ends are connected with support 1 respectively, brace table 8 is connected with vertical travelling table 6 and vertical supporting guide 7 respectively, move horizontally workbench 5 to be connected with brace table 8, refrigeration cup 4 be arranged on move horizontally on workbench 5 with move horizontally workbench 5 and be connected, refrigeration platform 3 is arranged in refrigeration cup 4, milling cutter 2 is connected to support 1 top.
According to another aspect of the present invention, a kind of method providing utilization to prepare structure-controllable Prefabricated element to prepare powder, comprises the following steps:
Step 1: different types of powder particle is added binding agent and mixes;
Step 2: refrigeration platform 3 is put into refrigeration cup 4, adjusts vertical workbench 6 and makes itself and milling cutter 2 reach suitable distance, starts milling cutter simultaneously and makes its High Rotation Speed;
Step 3: start horizontal table 5 and make it move along X-axis positive direction, arrive correct position, a certain kind powder particle is applied on refrigeration platform 3, after its cooled and solidified, mobile and horizontal workbench 5 makes it along X-axis negative movement, by milling cutter 2, make the particle removal of excess thickness on its vertical direction;
Step 4: again start horizontal table 5 and make it move along X-axis forward, arrive correct position, starting vertical workbench 6 makes it move a certain distance toward Z axis negative sense, another kind of particle is smeared on the stratum granulosum obtained in step 3, after its cooled and solidified, mobile and horizontal workbench 5 makes it move along X-axis negative sense, by milling cutter 2, the excess particles in its Z-direction is removed;
Step 5: repetition step 3 and step 4 several times obtain structure-controllable, gradient function particle prefabricated section.
Preferably, the powder particle in step 1 comprises carborundum, graphite, CNT or silica flour.
Preferably, refrigeration modes is liquid nitrogen refrigerating.
Preferably, the distance of vertical each moved further of workbench 6 is 0.1mm ~ 0.001mm.
Preferably, the number of times that step 3 and step 4 repeat is 100-500 time.
The present invention utilizes layer spread method, by smear to obtain with the milling of milling cutter lamellar spacing evenly, the gradient powder of structure-controllable.Compared with prior art, it is simple that the present invention has apparatus structure, is easy to realize automatic control, and the beneficial effect that efficiency is high, with low cost.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation that the present invention prepares structure-controllable Prefabricated element.
In figure, 1 be support, 2 be milling cutter, 3 for refrigeration platform, 4 be refrigeration cup, 5 be vertical travelling table for moving horizontally workbench, 6,7 for vertical supporting guide and 8 is for brace table.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Refer to Fig. 1, one prepares structure-controllable Prefabricated element, comprise: support 1, milling cutter 2, refrigeration platform 3, refrigeration cup 4, move horizontally workbench 5, vertical travelling table 6, vertical supporting guide 7 and brace table 8, vertical supporting guide 7 two ends are connected with support 1 respectively, vertical travelling table 6 is oppositely arranged with vertical supporting guide 7 and two ends are connected with support 1 respectively, brace table 8 is connected with vertical travelling table 6 and vertical supporting guide 7 respectively, move horizontally workbench 5 to be connected with brace table 8, refrigeration cup 4 be arranged on move horizontally on workbench 5 with move horizontally workbench 5 and be connected, refrigeration platform 3 is arranged in refrigeration cup 4, milling cutter 2 is connected to support 1 top.
Prepare structure-controllable Prefabricated element based on above-mentioned, a kind of method that the present invention also provides utilization to prepare structure-controllable Prefabricated element to prepare powder, comprise the following steps:
Step 1: different types of powder particle is added binding agent and mixes;
Step 2: refrigeration platform 3 is put into refrigeration cup 4, adjusts vertical workbench 6 and makes itself and milling cutter 2 reach suitable distance, starts milling cutter simultaneously and makes its High Rotation Speed;
Step 3: start horizontal table 5 and make it move along X-axis positive direction, arrive correct position, a certain kind powder particle is applied on refrigeration platform 3, after its cooled and solidified, mobile and horizontal workbench 5 makes it along X-axis negative movement, by milling cutter 2, make the particle removal of excess thickness on its vertical direction;
Step 4: again start horizontal table 5 and make it move along X-axis forward, arrive correct position, starting vertical workbench 6 makes it move a certain distance toward Z axis negative sense, another kind of particle is smeared on the stratum granulosum obtained in step 3, after its cooled and solidified, mobile and horizontal workbench 5 makes it move along X-axis negative sense, by milling cutter 2, the excess particles in its Z-direction is removed;
Step 5: repetition step 3 and step 4 several times obtain structure-controllable, gradient function particle prefabricated section.
Further, the powder particle in step 1 comprises carborundum, graphite, CNT or silica flour.
Further, refrigeration modes is liquid nitrogen refrigerating.
Further, the distance of vertical each moved further of workbench 6 is 0.1mm ~ 0.001mm.
Further, the number of times that step 3 and step 4 repeat is 100-500 time.
Structure-controllable Prefabricated element is prepared and method is described in detail to of the present invention below in conjunction with specific embodiment.
embodiment 1
The process that the present invention prepares carborundum graphite mixed layer prefabricated component is as follows:
Silicon-carbide particle is mixed, graphite is mixed, refrigeration cup 4 is full of liquid nitrogen, refrigeration platform 3 is put into refrigeration cup 4, the position adjusting vertical workbench 6 makes to freeze platform 3 in the vertical distance of milling cutter end maintenance 0.1mm, start milling cutter and make its High Rotation Speed, starting horizontal table 5 makes it move along X-axis positive direction, arrive correct position, graphite mixture is applied in refrigeration platform 3 surface, after 3min, mobile and horizontal workbench 5 makes it along X-axis negative movement, by milling cutter 2, silicon carbide powder in Z-direction is removed, obtaining thickness is 0.1mm silicon carbide layer, mobile and horizontal workbench 5 makes it along X-axis positive movement, arrive forward correct position, the silicon carbide layer surface smear graphite that the 0.1mm obtained in previous step is thick, move vertical workbench 6 makes it move the distance of 0.05mm along Z axis negative sense simultaneously, starting horizontal table 5 after 3min makes it through milling cutter 2, the unnecessary graphite in Z-direction be removed along X-axis negative movement.Repeat above-mentioned steps and obtain the prefabricated powder block that thickness is 15mm for 100 times.
embodiment 2
The process that the present invention prepares CNT graphite mixed layer prefabricated component is as follows:
CNT mixes, graphite mixes, refrigeration cup 4 is full of liquid nitrogen, refrigeration platform 3 is put into refrigeration cup 4, the position adjusting vertical workbench 6 makes to freeze platform 3 in the vertical distance of milling cutter end maintenance 0.05mm, start milling cutter and make its High Rotation Speed, starting horizontal table 5 makes it move along X-axis positive direction, arrive correct position, CNT is applied in refrigeration platform 3 surface, after 3min, mobile and horizontal workbench 5 makes it along X-axis negative movement, by milling cutter 2, CNT in Z-direction is removed, obtaining thickness is 0.05mm carbon nanotube layer, mobile and horizontal workbench 5 makes it along X-axis positive movement, arrive forward correct position, the carbon nanotube layer surface smear graphite that the 0.05mm obtained in previous step is thick, move vertical workbench 6 makes it move the distance of 0.05mm along Z axis negative sense simultaneously, starting horizontal table 5 after 3min makes it through milling cutter 2, the unnecessary graphite in Z-direction be removed along X-axis negative movement.Repeat above-mentioned steps and obtain the prefabricated section that thickness is 50mm for 500 times.
embodiment 3
The process that the present invention prepares carborundum graphite CNT mixed layer prefabricated component is as follows:
Silicon carbide powder is mixed, graphite mixes, CNT is mixed, refrigeration cup 4 is full of liquid nitrogen, refrigeration platform 3 is put into refrigeration cup 4, the position adjusting vertical workbench 6 makes to freeze platform 3 in the vertical distance of milling cutter end maintenance 0.03mm, start milling cutter and make its High Rotation Speed, starting horizontal table 5 makes it move along X-axis positive direction, arrive correct position, silicon carbide powder is applied in refrigeration platform 3 surface, after 3min, mobile and horizontal workbench 5 makes it along X-axis negative movement, by milling cutter 2, carborundum in Z-direction is removed, obtaining thickness is 0.03mm silicon carbide layer, mobile and horizontal workbench 5 makes it along X-axis positive movement, arrive forward correct position, the silicon carbide layer surface smear graphite that the 0.03mm obtained in previous step is thick, move vertical workbench 6 makes it move the distance of 0.015mm along Z axis negative sense simultaneously, starting horizontal table 5 after 3min makes it through milling cutter 2, the unnecessary graphite in Z-direction be removed along X-axis negative movement.Mobile and horizontal workbench 5 makes it along X-axis positive movement, arrive forward correct position, the graphite surface that the 0.015mm obtained in previous step is thick smears CNT, move vertical workbench 6 makes it move the distance of 0.005mm along Z axis negative sense simultaneously, starts horizontal table 5 and make it through milling cutter 2, the excess carbon nanotubes in Z-direction be removed along X-axis negative movement after 3min.Repeat above-mentioned steps and obtain the prefabricated section that thickness is 15mm for 300 times.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (6)
1. prepare structure-controllable Prefabricated element for one kind, it is characterized in that, comprise: support (1), milling cutter (2), refrigeration platform (3), refrigeration cup (4), move horizontally workbench (5), vertical travelling table (6), vertical supporting guide (7) and brace table (8), described vertical supporting guide (7) two ends are connected with described support (1) respectively, described vertical travelling table (6) is oppositely arranged with described vertical supporting guide (7) and two ends are connected with described support (1) respectively, described brace table (8) is connected with described vertical travelling table (6) and vertical supporting guide (7) respectively, the described workbench (5) that moves horizontally is connected with described brace table (8), move horizontally workbench (5) described in described refrigeration cup (4) is arranged on above to be connected with the described workbench (5) that moves horizontally, described refrigeration platform (3) is arranged in described refrigeration cup (4), described milling cutter (2) is connected to described support (1) top.
2. utilize and prepare the method that structure-controllable Prefabricated element prepares powder described in claim 1, it is characterized in that, comprise the following steps:
Step 1: different types of powder particle is added binding agent and mixes;
Step 2: the platform (3) that will freeze puts into refrigeration cup (4), adjusts vertical workbench (6) and makes itself and milling cutter (2) reach suitable distance, starts milling cutter simultaneously and makes its High Rotation Speed;
Step 3: start horizontal table (5) and make it move along X-axis positive direction, arrive correct position, a certain kind powder particle is applied in refrigeration platform (3), after its cooled and solidified, mobile and horizontal workbench (5) makes it along X-axis negative movement, by milling cutter (2), make the particle removal of excess thickness on its vertical direction;
Step 4: again start horizontal table (5) and make it move along X-axis forward, arrive correct position, starting vertical workbench (6) makes it move a certain distance toward Z axis negative sense, another kind of particle is smeared on the stratum granulosum obtained in step 3, after its cooled and solidified, mobile and horizontal workbench (5) makes it move along X-axis negative sense, by milling cutter (2), the excess particles in its Z-direction is removed;
Step 5: repetition step 3 and step 4 several times obtain structure-controllable, gradient function particle prefabricated section.
3. powder preparation method according to claim 2, is characterized in that, the powder particle described in step 1 comprises carborundum, graphite, CNT or silica flour.
4. powder preparation method according to claim 2, is characterized in that, refrigeration modes is liquid nitrogen refrigerating.
5. powder preparation method according to claim 2, is characterized in that, the distance of vertical workbench (6) each moved further is 0.1mm ~ 0.001mm.
6. powder preparation method according to claim 2, is characterized in that, the number of times that step 3 and step 4 repeat is 100-500 time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410375114.4A CN105290468B (en) | 2014-07-31 | 2014-07-31 | The controllable Prefabricated element of preparation structure and method |
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| CN201410375114.4A CN105290468B (en) | 2014-07-31 | 2014-07-31 | The controllable Prefabricated element of preparation structure and method |
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| CN105290468A true CN105290468A (en) | 2016-02-03 |
| CN105290468B CN105290468B (en) | 2017-08-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076451A (en) * | 2016-08-08 | 2016-11-09 | 浙江工业大学 | Nanometer press fit instrument liquid nitrogen refrigerating platform |
| CN106735474A (en) * | 2017-01-20 | 2017-05-31 | 芜湖三顺机械制造有限公司 | Milling face device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5516592A (en) * | 1995-01-20 | 1996-05-14 | Industrial Technology Research Institute | Manufacture of foamed aluminum alloy composites |
| CN1498878A (en) * | 2002-11-04 | 2004-05-26 | 中国人民解放军国防科学技术大学 | Method for preparing composite material of aluminium silicon carbide and structural piece |
| CN102093056A (en) * | 2010-12-08 | 2011-06-15 | 湖南浩威特科技发展有限公司 | Preparation methods of aluminium silicon carbide composites with interpenetrating network structure and components of composites |
| CN103695681A (en) * | 2013-12-18 | 2014-04-02 | 湖南航天工业总公司 | Forming device and method of aluminum-based silicon carbide particle reinforced composite material and member thereof |
-
2014
- 2014-07-31 CN CN201410375114.4A patent/CN105290468B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5516592A (en) * | 1995-01-20 | 1996-05-14 | Industrial Technology Research Institute | Manufacture of foamed aluminum alloy composites |
| CN1498878A (en) * | 2002-11-04 | 2004-05-26 | 中国人民解放军国防科学技术大学 | Method for preparing composite material of aluminium silicon carbide and structural piece |
| CN102093056A (en) * | 2010-12-08 | 2011-06-15 | 湖南浩威特科技发展有限公司 | Preparation methods of aluminium silicon carbide composites with interpenetrating network structure and components of composites |
| CN103695681A (en) * | 2013-12-18 | 2014-04-02 | 湖南航天工业总公司 | Forming device and method of aluminum-based silicon carbide particle reinforced composite material and member thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076451A (en) * | 2016-08-08 | 2016-11-09 | 浙江工业大学 | Nanometer press fit instrument liquid nitrogen refrigerating platform |
| CN106076451B (en) * | 2016-08-08 | 2018-03-16 | 浙江工业大学 | Nanometer press fit instrument liquid nitrogen refrigerating platform |
| CN106735474A (en) * | 2017-01-20 | 2017-05-31 | 芜湖三顺机械制造有限公司 | Milling face device |
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| CN105290468B (en) | 2017-08-01 |
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