CN103406240A - Thermally or electrically conductive paste smearing device and smearing method - Google Patents
Thermally or electrically conductive paste smearing device and smearing method Download PDFInfo
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- CN103406240A CN103406240A CN2013103513495A CN201310351349A CN103406240A CN 103406240 A CN103406240 A CN 103406240A CN 2013103513495 A CN2013103513495 A CN 2013103513495A CN 201310351349 A CN201310351349 A CN 201310351349A CN 103406240 A CN103406240 A CN 103406240A
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Abstract
The invention discloses a thermally or electrically conductive paste smearing device and a smearing method. The device comprises a control surface device and a positioning device. The control surface device comprises a mesh surface with a smearing pattern, and a mesh frame fixing the mesh surface. The positioning device comprises a positioning rack used for fixing the control surface device on the positioning device, a positioning plate arranged on the bottom of the positioning rack, and a positioning block arranged on the positioning plate and used for fixing an object to be smeared. The invention also discloses a thermally or electrically conductive paste smearing method adopting the smearing device. The object to be smeared is fixed in the smearing device and is positioned under the mesh surface; a proper amount of the thermally or electrically conductive paste is arranged on the mesh surface; and the paste is evened by smearing. With the smearing device and method provided by the invention, paste levelness, uniformity, thickness, and smearing area can be controlled, such that electronic device conductivity can be ensured, and product reliability and consistency can be improved.
Description
Technical field
The present invention relates to a kind of frock of electronic equipment, relate in particular to application device and the smearing method of a kind of heat-conducting cream or conductive paste.
Background technology
At present, between the conductive sheet of electronic equipment, usually adopt heat-conducting cream or conductive paste to carry out heat conduction or electrical conduction, the conductive performance quality of electronic equipment plays vital effect to the equipment service behaviour, but a lot of conductive sheet surface is rough from microcosmic, so-called face contact reality is only some contact, total like this contact area is less, and conduction efficiency also relatively can be lower, the performance of restriction electronic equipment.Special picture power amplifier apparatus, it has high requirement on signal or heat conductive performance, and the contact of several points likely can cause signal off and on, even no signal.And, aspect the heat conduction, if conduct badly, likely cause power amplifier to burn.
The mode of smearing of existing heat-conducting cream or conductive paste is for directly smearing heat-conducting cream or conductive paste on components and parts or fin, then combination is installed and got final product, but all can not quantize to adjust for flatness, the uniformity and the thickness of lotion.
Summary of the invention
The objective of the invention is, for problems of the prior art, provide application device and the corresponding smearing method of a kind of controlled heat-conducting cream processed or conductive paste lotion flatness, the uniformity and thickness.
For reaching above technical purpose, the technical solution used in the present invention is as follows:
The application device of a kind of heat-conducting cream or conductive paste, wherein, comprise chain of command device and positioner, and described chain of command device comprises that on it, the wire side of pattern and the screen frame that described wire side is fixed up are smeared in setting; Described positioner comprises locating rack that described chain of command device is fixed thereon, be positioned at the location-plate of described locating rack bottom and be arranged on described location-plate for the fixing locating piece of cream object to be coated with.
Particularly, described wire side is made by the dacron thread that vertical and horizontal interweave.
The smearing method of a kind of heat-conducting cream or conductive paste, it comprises the following steps:
(1) provide the application device of foregoing heat-conducting cream or conductive paste;
(2) according to the size of cream object to be coated with, adjust the position of described locating piece on location-plate;
(3) cream object to be coated with is fixed on described locating piece;
(4) pattern of smearing on described wire side is alignd with the application area of cream object to be coated with, and described screen frame is fixed on locating rack;
(5) heat-conducting cream or conductive paste are placed on described wire side, then lotion are smeared smooth.
Further, described wire side is controlled size and/or the quantity of the unit are mesh of this wire side by the quantity that controls the vertical and horizontal dacron thread.
Further, the pattern of smearing on described wire side is realized by the mesh that stops up in advance non-application area.
Preferably, in described step (5), lotion being smeared to the smooth rubber scraper that utilizes realizes.
Compared with prior art, the present invention has following advantage:
1) the present invention is in the control of smearing on flatness.In traditional spraying or roller, smear on the mode basis, reach and smear the requirement of back plane degree by increasing a plane, the painting cream surface after making to smear is concordant with plane;
2) control of the present invention on painting is wiped one's face.In traditional integral body, smear or uncontrollable smearing on basis, regulate and be coated with the position of wiping one's face by setting area on the plane increasing, accomplish partial smearing, realized being coated with the adjustability of wiping one's face, really reach the property versatile and flexible of use;
3) the present invention is in the control of smearing on the uniformity.In traditional strip mode of smearing, cause on stacking basis, by selecting the mesh-like plane, smear to reach a little, thereby reach the uniformity of smearing.The painting cream namely be coated with on wiping one's face is to consist of numerous point;
4) control of the present invention on smearing thickness.On the uncontrollable basis of traditional smearing thickness, realize smearing thickness by the plane of selecting different big or small mesh.The thickness that mesh is smeared more at least is thinner, otherwise the larger thickness of smearing of mesh is thicker.
The accompanying drawing explanation
Fig. 1 is the use view of the application device of heat-conducting cream of the present invention or conductive paste.
Fig. 2 is the top view of chain of command device of the application device of heat-conducting cream of the present invention or conductive paste, and the implementation of smearing pattern mainly is shown.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, the application device of heat-conducting cream provided by the invention or conductive paste, comprise chain of command device 1 and positioner 2.
Described chain of command device 1 comprises wire side 12 and screen frame 11; Described wire side 12 is made by the dacron thread that vertical and horizontal interweave, the main scope of smearing for lotion; Described screen frame 11 is enclosed in the surrounding of wire side 12, for fixing and smooth this wire side 12.
Described positioner 2 comprises for the locating rack 21 of fixing described chain of command device 1, is positioned at the location-plate 22 of described locating rack 21 bottoms and is arranged on described location-plate 22 for the fixing locating piece 23 of cream object 3 to be coated with.Described chain of command device 1 is arranged on the upper inner of locating rack 21, by the draw-in groove 211 of locating rack 21 inboards, this chain of command device 1 is fixed.Cream object 3 described to be coated with is fixed on locating piece 23, and separates certain vertical range between the wire side 12 of chain of command device 1, and this distance is just as the packing space (thickness) of heat-conducting cream or conductive paste.
In the present invention, locating piece 23 is movably set on location-plate 22, and according to the size of cream object 3 to be coated with, but the distance between manual adjustments locating piece 23, after distance adjustment is suitable, is fixed locating piece 23 and location-plate 22.
With reference to figure 1 and Fig. 2, utilize this device to carry out lotion while smearing, step is as follows:
(1) prepare the application device of aforesaid heat-conducting cream or conductive paste;
(2) according to the size of cream object 3 to be coated with, adjust the position of described locating piece 23 on location-plate 22;
(3) cream object 3 to be coated with is fixed on described locating piece 23;
(4) pattern 121 of smearing on described wire side 12 is alignd with the application area of cream object 3 to be coated with, and described screen frame 11 is fixed on locating rack 21;
(5) get appropriate heat-conducting cream or conductive paste and be placed on described wire side 12, utilize the rubber scraper that lotion is smeared smooth, finally form paste layer 4.
Wherein, smear acting as of pattern 121, by clogging unnecessary mesh to protect non-application area.
It is rough gap from microcosmic that described paste layer 4 one sides have been filled up cream object to be coated with 3 surfaces, and another side has formed the burnishing surface concordant with described wire side 12, makes the conductivity of heat of lotion or electric conductivity obtain good assurance.
The scribble effect of described paste layer 4 can utilize wire side 12 to control, the quantity of the vertical and horizontal dacron thread by controlling wire side 12 controls size and/or the quantity of the unit are mesh of wire side 12: mesh quantity is more, and mesh is less, otherwise, mesh quantity is fewer, and mesh is larger.The size of mesh can be controlled the uniformity that lotion is smeared, and the less uniformity of smearing of mesh is higher, otherwise the larger uniformity of smearing of mesh is lower; The quantity of mesh can control the thickness that lotion is smeared, and more the thickness smeared of overbrushing is thinner for mesh quantity, otherwise the fewer thickness of smearing of the quantity of mesh is thicker.The pattern 8 of smearing of paste layer 4 is also adjusted by this wire side 12, is mainly to realize by the mesh of the non-application area in clogging wire side 12 in advance.
In sum, the application device of heat-conducting cream of the present invention or conductive paste and smearing method can be controlled by the flatness to lotion, the uniformity, thickness and application area, guarantee electronic equipment conduction, improve product reliability and uniformity.
Above-described embodiment is preferably embodiment of the present invention; but not merely be restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within all being included in protection scope of the present invention.
Claims (6)
1. the application device of a heat-conducting cream or conductive paste is characterized in that: comprise chain of command device and positioner, described chain of command device comprises on it and arranges and smear the wire side of pattern and the screen frame that described wire side is fixed up; Described positioner comprises locating rack that described chain of command device is fixed thereon, be positioned at the location-plate of described locating rack bottom and be arranged on described location-plate for the fixing locating piece of cream object to be coated with.
2. the application device of heat-conducting cream as claimed in claim 1 or conductive paste, it is characterized in that: described wire side is made by the dacron thread that vertical and horizontal interweave.
3. the smearing method of a heat-conducting cream or conductive paste, is characterized in that, comprises the following steps:
(1) provide the application device of heat-conducting cream as claimed in claim 1 or 2 or conductive paste;
(2) according to the size of cream object to be coated with, adjust the position of described locating piece on location-plate;
(3) cream object to be coated with is fixed on described locating piece;
(4) pattern of smearing on described wire side is alignd with the application area of cream object to be coated with, and described screen frame is fixed on locating rack;
(5) heat-conducting cream or conductive paste are placed on described wire side, then lotion are smeared smooth.
4. the smearing method of heat-conducting cream as claimed in claim 3 or conductive paste is characterized in that: described wire side is controlled size and/or the quantity of the unit are mesh of this wire side by the quantity that controls the vertical and horizontal dacron thread.
5. the smearing method of heat-conducting cream as claimed in claim 3 or conductive paste is characterized in that: the pattern of smearing on described wire side is realized by the mesh that stops up in advance non-application area.
6. the smearing method of heat-conducting cream as claimed in claim 3 or conductive paste, is characterized in that: in described step (5), lotion is smeared to the smooth rubber scraper that utilizes and realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103513495A CN103406240A (en) | 2013-08-13 | 2013-08-13 | Thermally or electrically conductive paste smearing device and smearing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103513495A CN103406240A (en) | 2013-08-13 | 2013-08-13 | Thermally or electrically conductive paste smearing device and smearing method |
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| CN103406240A true CN103406240A (en) | 2013-11-27 |
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| CN2013103513495A Pending CN103406240A (en) | 2013-08-13 | 2013-08-13 | Thermally or electrically conductive paste smearing device and smearing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013227A (en) * | 2017-06-11 | 2018-12-18 | 深圳市虎成科技有限公司 | A kind of the heat-conducting glue smearing method and smearing screen frame of UVLED light source |
| CN111220049A (en) * | 2020-01-19 | 2020-06-02 | 苏州浪潮智能科技有限公司 | Thickness checking tool for heat conducting paste of server heat dissipation device |
| TWI698287B (en) * | 2019-08-27 | 2020-07-11 | 華碩電腦股份有限公司 | Method of coating liquid metal heat-dissipatng paste and heat-dissipatng module using liquid metal heat-dissipatng paste |
| CN112083776A (en) * | 2020-09-17 | 2020-12-15 | 西安超越申泰信息科技有限公司 | Method for installing computer chip heat-conducting silicone grease |
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| CN102120207A (en) * | 2010-12-27 | 2011-07-13 | 上海中科深江电动车辆有限公司 | Device for coating heat-conducting silicone grease on radiation surface of insulated gate bipolar translator (IGBT) module and related coating method |
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| CN2536320Y (en) * | 2002-04-05 | 2003-02-19 | 李庆明 | Pattern printer for color coatings |
| CN101546717A (en) * | 2009-03-09 | 2009-09-30 | 株洲南车时代电气股份有限公司 | Method and apparatus for applying heat-conducting silicone grease on semiconductor devices |
| US20110192295A1 (en) * | 2010-02-05 | 2011-08-11 | Hitachi Plant Technologies, Ltd. | Screen printer and printing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109013227A (en) * | 2017-06-11 | 2018-12-18 | 深圳市虎成科技有限公司 | A kind of the heat-conducting glue smearing method and smearing screen frame of UVLED light source |
| TWI698287B (en) * | 2019-08-27 | 2020-07-11 | 華碩電腦股份有限公司 | Method of coating liquid metal heat-dissipatng paste and heat-dissipatng module using liquid metal heat-dissipatng paste |
| CN111220049A (en) * | 2020-01-19 | 2020-06-02 | 苏州浪潮智能科技有限公司 | Thickness checking tool for heat conducting paste of server heat dissipation device |
| CN112083776A (en) * | 2020-09-17 | 2020-12-15 | 西安超越申泰信息科技有限公司 | Method for installing computer chip heat-conducting silicone grease |
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Application publication date: 20131127 |
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