CN108098094A - A kind of self-adapting combined welding fixture and application method - Google Patents
A kind of self-adapting combined welding fixture and application method Download PDFInfo
- Publication number
- CN108098094A CN108098094A CN201711323994.0A CN201711323994A CN108098094A CN 108098094 A CN108098094 A CN 108098094A CN 201711323994 A CN201711323994 A CN 201711323994A CN 108098094 A CN108098094 A CN 108098094A
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- China
- Prior art keywords
- support column
- welding
- top plate
- welding fixture
- briquetting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The present invention provides a kind of self-adapting combined welding fixture and application method, welding fixture includes support column, compression spring, limited block, open support top plate and briquetting；The top of support column is limited in the top of the through hole of open support top plate by limited block；Compression spring is set between the end of support column and the lower part of the through hole；The briquetting can be arranged at the top of open support top plate；By the cooperation of above-mentioned support column, compression spring, limited block, open support top plate and briquetting, the bottom of the support column contacts with package carrier, package carrier is pressed on package substrate；Contact between the bottom of the support column and package carrier is point contact.Both met welding pressure is controllable, pressure position can flexible modulation requirement, meeting again does not influence the requirement of hot wind flow in reflow ovens, it simultaneously can also the reliable and stable work in hot environment, it can be ensured that the uniformity and stability of workpiece to be welded in the welding process, so as to ensure welding quality.
Description
Technical field
The present invention relates to a kind of self-adapting combined welding fixture and application methods, are related to electronic assemblies field.
Background technology
In electronics field, to LTCC（Low-temperature co-fired ceramics）The requirement of the welding quality of substrate and package carrier is very
Height, this requires needed in welding process using more reasonably welding fixture.At present, the welding carried out in high temperature furnace, uses
The structure type of welding fixture is mostly that surrounding stand supports top plate, and screw is screwed on top plate, by adjusting screw height from
And pressure is applied to workpiece.The fixture of this structure type can ensure to install solid and reliable, but the weldering that fixture can be installed
The height of fitting is by the height limitation of surrounding support plate, and surrounding support plate can be to hot wind in hot air reflux stove around workpiece
Flowing affect greatly, directly affect the heated of workpiece, cause welding effect poor, meanwhile, compressed by rotary screw
The installation way of workpiece disassembly efficiency in practical operation is relatively low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of preferably self-adapting combined welding fixture and the uses of effect
Method, have not only meet welding pressure is controllable, pressure position can flexible modulation requirement, but also meet and do not influence hot wind in reflow ovens
The requirement of flowing, while can also the reliable and stable work in hot environment, it can be ensured that workpiece to be welded is in the welding process
Uniformity and stability, so as to ensure the feature of welding quality.
The technical solution adopted by the present invention is as follows：
A kind of self-adapting combined welding fixture, it is characterised in that：Including support column, compression spring, limited block, open support top
Plate and briquetting；The top of support column is limited in the top of the through hole of open support top plate, and support column main body energy by limited block
It is enough up and down in through-holes；Compression spring is set between the end of support column and the lower part of the through hole；The briquetting energy
The top of open support top plate is enough arranged at, pressure is applied to open support top plate, but not directly applies pressure to support
Column is in itself；Pass through the cooperation of above-mentioned support column, compression spring, limited block, open support top plate and briquetting, the bottom of the support column
Portion is contacted with package carrier, and package carrier is pressed on package substrate；Between the bottom of the support column and package carrier
It contacts as point contact.
The briquetting can be arranged at the top of open support top plate and fixed setting.
The briquetting can be arranged at the top of open support top plate and screens is fixed.
Substrate backing plate is further included, for package substrate to be fixed.
Set fluted on the open support top plate, the through hole is located at the bottom of groove；The briquetting is arranged at recessed
The top of slot, limited block are located in groove；Limited block is up and down in groove with support column, but in actual use, no
It limits open support top plate to the briquetting on groove top as top and compresses the compression spring downwards along support column.
The support column includes at least three；The through hole includes at least three.
It is connected through a screw thread at the top of the support column with the limited block.
The all parts material of the welding fixture is high temperature resistant and the small material of thermal capacitance.
The compression spring of the welding fixture is stainless steel wire spring, and other component is compound stone.
Employ the package substrate of above-mentioned welding fixture and when package carrier is welded, the specifically used side of welding fixture
Method is：
When package substrate and package carrier weld, substrate backing plate is according to disposing way when appearance and size and the welding of package substrate
Processing is customized, and package substrate is fixed on substrate backing plate, while is added in package substrate and package carrier welding surface
Solder, the welding position that package carrier is placed on package substrate simultaneously compress solder；When using the welding fixture, first
The shape of package carrier and the distribution of top surface cavity are compared, finds compression point accurately, compression point can be distributed in different height；According to compression point
The support column for being cased with compression spring is installed in point position at the corresponding hole site of open support top plate, and the quantity of support column can be as needed
Increase and decrease screws in the screw thread at the top of support column to connect support column and open support top plate by limited block；Then by its integral vertical
In package carrier top surface, equalization point is found accurately；Finally, the briquetting of corresponding gravity is put according to required welding pressure, welding will have been used
The welding workpiece of clamp pressing is integrally positioned in hot air reflux stove and is welded.
Compared with prior art, the beneficial effects of the invention are as follows：Both met that welding pressure is controllable, pressure position can flexibly adjust
The requirement of section, and meet and do not influence the requirement of hot wind flow in reflow ovens, at the same can also in hot environment reliable and stable work
Make, it can be ensured that the uniformity and stability of workpiece to be welded in the welding process, so as to ensure welding quality.
Description of the drawings
Fig. 1 is the structure diagram of a wherein embodiment of the invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
This specification（Including summary and attached drawing）Disclosed in any feature, unless specifically stated, can be equivalent by other
Or the alternative features with similar purpose are replaced.I.e., unless specifically stated, each feature is a series of equivalent or class
Like an example in feature.
Specific embodiment 1
A kind of self-adapting combined welding fixture, as shown in Figure 1, including support column 2, compression spring 3, limited block 4, open support
Top plate 5 and briquetting 6；The top of support column 2 is limited in the top of the through hole of open support top plate 5, and support column by limited block 4
2 main bodys can be up and down in through-holes；Compression spring 3 is set between the end of support column 2 and the lower part of the through hole；Institute
The top of open support top plate 5 can be arranged at by stating briquetting 6, apply pressure to open support top plate 5, but not directly by pressure
It is applied to support column 2 itself；Pass through matching somebody with somebody for above-mentioned support column 2, compression spring 3, limited block 4, open support top plate 5 and briquetting 6
It closes, the bottom of the support column 2 contacts with package carrier 8, package carrier 8 is pressed on package substrate 7；The support column 2
Bottom and package carrier 8 between contact be point contact.
In this embodiment, the package substrate is LTCC（Low-temperature co-fired ceramics）Substrate, the TLCC substrates and envelope
Load body welding self-adapting combined welding fixture apply pressure by the way of point contact, can flexible modulation pressure apply
The welding fixture of position, height and the pressure size added some points.Mainly for ltcc substrate and package carrier in hot air reflux stove
Welding pressure during welding is controllable, pressure position can flexible modulation, do not influence hot wind flow in reflow ovens, while welding fixture exists
Reliable and stable demand in hot environment.By using this self-adapting combined welding fixture, it is ensured that in welding process
In, for welding workpiece provide can flexible modulation size and compression point position pressure, and welding fixture surrounding is unobstructed, pressure side
Formula is point contact, and the flowing of hot wind in reflow ovens will not be caused to hinder.
The briquetting of customization weight is placed on porous support plate, is provided welding pressure needed for workpiece, can freely be picked and placeed.
Specific embodiment 2
On the basis of specific embodiment 1, the briquetting 6 can be arranged at top and the fixed setting of open support top plate 5, with
Briquetting is enable to stablize the top for being arranged at open support top plate.
Specific embodiment 3
On the basis of specific embodiment 1 or 2, the briquetting 6 can be arranged at the top of open support top plate 5 and screens is consolidated
Fixed, for example, as shown in Figure 1, the both sides of briquetting are stuck in the both sides of open support top plate, realization screens is fixed, so that briquetting energy
It is enough to stablize the top for being arranged at open support top plate.
Specific embodiment 4
On the basis of one of specific embodiment 1 to 3, substrate backing plate 1 is further included, for package substrate 7 to be fixed.
Specific embodiment 5
On the basis of one of specific embodiment 1 to 4, set on the open support top plate 5 it is fluted, the through hole be located at it is recessed
The bottom of slot；The briquetting 6 is arranged at the top of groove, and limited block 4 is located in groove；Limited block 4 is with support column in groove
It is up and down, but in actual use, be unlikely to top and limit open support top plate 5 along support to the briquetting 6 on groove top
Column 2 compresses downwards the compression spring 3.
Specific embodiment 6
On the basis of one of specific embodiment 1 to 5, the support column 2 includes at least three；The through hole includes at least three
It is a.
Specific embodiment 7
On the basis of one of specific embodiment 1 to 6,2 top of support column is connected through a screw thread with the limited block 4.
Specific embodiment 8
On the basis of one of specific embodiment 1 to 7, all parts material of the welding fixture is high temperature resistant and thermal capacitance is small
Material can stablize use under highest welding temperature.
Specific embodiment 9
On the basis of one of specific embodiment 1 to 8, the compression spring 3 of the welding fixture is stainless steel wire spring, other portions
Part is compound stone, can stablize use under highest welding temperature.Compound stone has high temperature resistant（400℃）, thermal capacitance it is small（1.7J/
cm3·℃）The characteristics of, it can stablize under ltcc substrate and the maximum temperature of package carrier welding and use.The use of use is not
Become rusty wire spring, can at -200 ~ 290 DEG C steady operation, can ltcc substrate and package carrier welding maximum temperature
Lower stable use.
Specific embodiment 10
Employ the package substrate of the welding fixture of one of specific embodiment 4 to 9 and when package carrier is welded, welding fixture
Specifically used method be：
When package substrate 7 and package carrier 8 weld, put when substrate backing plate 1 is according to appearance and size and the welding of package substrate 7
Mode is customized processing, and package substrate 7 is fixed on substrate backing plate 1, while is welded in package substrate 7 and package carrier 8
Junction adds solder, and the welding position that package carrier 8 is placed on package substrate 7 simultaneously compresses solder；Using the welding
During fixture, the shape of package carrier and the distribution of top surface cavity are compared first, finds compression point accurately, compression point can be distributed in different height
Degree；The support column 2 for being cased with compression spring 3, support column are installed according to compression point point position at the corresponding hole site of open support top plate 5
2 quantity can increase and decrease as needed, screw in the screw thread at 2 top of support column by limited block 4 to connect support column 2 and open support
Top plate 5；Its entirety is then stood on into 8 top surface of package carrier, finds equalization point accurately；Finally, put accordingly according to required welding pressure
The welding workpiece compressed with welding fixture is integrally positioned in hot air reflux stove and welds by the briquetting 6 of gravity.
Claims (10)
1. a kind of self-adapting combined welding fixture, it is characterised in that：Including support column, compression spring, limited block, open support
Top plate and briquetting；The top of support column is limited in the top of the through hole of open support top plate, and support column main body by limited block
It can be up and down in through-holes；Compression spring is set between the end of support column and the lower part of the through hole；The briquetting
The top of open support top plate can be arranged at, pressure is applied to open support top plate, but not directly applies pressure to prop up
Dagger is in itself；By the cooperation of above-mentioned support column, compression spring, limited block, open support top plate and briquetting, the support column
Bottom is contacted with package carrier, and package carrier is pressed on package substrate；Between the bottom of the support column and package carrier
Contact be point contact.
2. self-adapting combined welding fixture according to claim 1, it is characterised in that：The briquetting can be arranged at more
The top of hole roof supporting and fixed setting.
3. self-adapting combined welding fixture according to claim 1 or 2, it is characterised in that：The briquetting can be set
It is fixed in the top of open support top plate and screens.
4. self-adapting combined welding fixture according to claim 1, it is characterised in that：Substrate backing plate is further included, is used for
Package substrate is fixed.
5. self-adapting combined welding fixture according to claim 1, it is characterised in that：It is set on the open support top plate
Groove is equipped with, the through hole is located at the bottom of groove；The briquetting is arranged at the top of groove, and limited block is located in groove；Limit
Position block is up and down in groove with support column, but in actual use, is unlikely to top and is limited to the briquetting on groove top
Open support top plate compresses downwards the compression spring along support column.
6. self-adapting combined welding fixture according to claim 1, it is characterised in that：The support column includes at least three
It is a；The through hole includes at least three.
7. self-adapting combined welding fixture according to claim 1, it is characterised in that：At the top of the support column with it is described
Limited block is connected through a screw thread.
8. self-adapting combined welding fixture according to claim 1, it is characterised in that：Each portion of the welding fixture
Part material is high temperature resistant and the small material of thermal capacitance.
9. the self-adapting combined welding fixture according to claim 1 or 8, it is characterised in that：The pressure of the welding fixture
Contracting spring is stainless steel wire spring, and other component is compound stone.
10. employing the package substrate of one of claim 4 to 9 welding fixture and when package carrier is welded, welding
The specifically used method of fixture is：
When package substrate and package carrier weld, substrate backing plate is according to disposing way when appearance and size and the welding of package substrate
Processing is customized, and package substrate is fixed on substrate backing plate, while is added in package substrate and package carrier welding surface
Solder, the welding position that package carrier is placed on package substrate simultaneously compress solder；When using the welding fixture, first
The shape of package carrier and the distribution of top surface cavity are compared, finds compression point accurately, compression point can be distributed in different height；According to compression point
The support column for being cased with compression spring is installed in point position at the corresponding hole site of open support top plate, and the quantity of support column can be as needed
Increase and decrease screws in the screw thread at the top of support column to connect support column and open support top plate by limited block；Then by its integral vertical
In package carrier top surface, equalization point is found accurately；Finally, the briquetting of corresponding gravity is put according to required welding pressure, welding will have been used
The welding workpiece of clamp pressing is integrally positioned in hot air reflux stove and is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711323994.0A CN108098094B (en) | 2017-12-13 | 2017-12-13 | Self-adaptive combined welding fixture and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711323994.0A CN108098094B (en) | 2017-12-13 | 2017-12-13 | Self-adaptive combined welding fixture and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108098094A true CN108098094A (en) | 2018-06-01 |
| CN108098094B CN108098094B (en) | 2020-04-21 |
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ID=62215634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711323994.0A Active CN108098094B (en) | 2017-12-13 | 2017-12-13 | Self-adaptive combined welding fixture and use method |
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| Country | Link |
|---|---|
| CN (1) | CN108098094B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961740A (en) * | 2019-12-05 | 2020-04-07 | 中国科学院电子学研究所 | Welding method of Au-based LTCC substrate with deep cavity structure |
| CN111069725A (en) * | 2019-12-25 | 2020-04-28 | 航天海鹰(哈尔滨)钛业有限公司 | Method for manufacturing dense tube heat exchanger |
| CN112851099A (en) * | 2020-12-31 | 2021-05-28 | 武汉华工激光工程有限责任公司 | Chip glass packaging clamp |
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| CN1638070A (en) * | 2004-12-01 | 2005-07-13 | 美新半导体（无锡）有限公司 | Airtight packaging method for planar carrier cavity in microelectronic circuit |
| CN103606538A (en) * | 2013-11-28 | 2014-02-26 | 南通富士通微电子股份有限公司 | Semiconductor lamination packaging method |
| CN203471155U (en) * | 2013-08-15 | 2014-03-12 | 亿和精密工业（苏州）有限公司 | Welding device used for welding humidification tank and sheet metal part |
| CN103934613A (en) * | 2014-04-18 | 2014-07-23 | 无锡尚德太阳能电力有限公司 | Welding rod pressing device of solar module series welding machine |
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Patent Citations (5)
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| CN1631067A (en) * | 2002-08-07 | 2005-06-22 | 松下电器产业株式会社 | Transfer carrier for flexible printed circuit board and electronic parts mounting method to flexible printed circuit board |
| CN1638070A (en) * | 2004-12-01 | 2005-07-13 | 美新半导体（无锡）有限公司 | Airtight packaging method for planar carrier cavity in microelectronic circuit |
| CN203471155U (en) * | 2013-08-15 | 2014-03-12 | 亿和精密工业（苏州）有限公司 | Welding device used for welding humidification tank and sheet metal part |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961740A (en) * | 2019-12-05 | 2020-04-07 | 中国科学院电子学研究所 | Welding method of Au-based LTCC substrate with deep cavity structure |
| CN111069725A (en) * | 2019-12-25 | 2020-04-28 | 航天海鹰(哈尔滨)钛业有限公司 | Method for manufacturing dense tube heat exchanger |
| CN112851099A (en) * | 2020-12-31 | 2021-05-28 | 武汉华工激光工程有限责任公司 | Chip glass packaging clamp |
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| Publication number | Publication date |
|---|---|
| CN108098094B (en) | 2020-04-21 |
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