CN106825816A - Contact tin ball bonding connection device and its welding procedure - Google Patents
Contact tin ball bonding connection device and its welding procedure Download PDFInfo
- Publication number
- CN106825816A CN106825816A CN201710072236.XA CN201710072236A CN106825816A CN 106825816 A CN106825816 A CN 106825816A CN 201710072236 A CN201710072236 A CN 201710072236A CN 106825816 A CN106825816 A CN 106825816A
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- China
- Prior art keywords
- tin ball
- soldering tip
- outlet
- tin
- weldering chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- 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
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
-
- 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
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/0623—Solder feeding devices for shaped solder piece feeding, e.g. preforms, bumps, balls, pellets, droplets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a kind of contact tin ball bonding connection device, it is characterised in that：Including soldering tip, air pressure testing agency, laser light mechanism, and actuating unit, the soldering tip has weldering chamber, the weldering chamber is communicated with compressed gas organization of supply with to providing gas-pressurized in the weldering chamber, the weldering chamber is also communicated with tin ball organization of supply so that single tin ball enters the weldering chamber, the air pressure testing agency is used to detect the air pressure in the weldering chamber, the actuating unit is used to control soldering tip to move up and down, the lower end of the soldering tip offers the outlet of tin ball, and the laser of the laser light mechanism projects direction and just the tin ball is exported, the diameter of the internal diameter more than the tin ball of the tin ball outlet.Present invention also offers a kind of contact tin ball bonding technique.
Description
Technical field
The invention belongs to laser welding field, in particular to a kind of tin ball bonding connection mechanism and its welding procedure.
Background technology
Soldering is popularized very much in the industrial production, although the main manual flatiron weldering welding procedure for using is simple, set up life
Producing line cost is relatively low.But manual flatiron weldering misoperation easily causes the failure weldings such as solder skip, rosin joint, especially more accurate
In the welding process of electronic unit, weldment may be caused to be heated change because flatiron hypotelorism, temperature are too high during malfunction
Shape, Material degradation, staff touching etc. can also result in the pollution of electronic component.Therefore, traditional manual flatiron welds a side
Have a requirement higher in face of the welding technical ability of operating personnel, on the other hand its welding quality excessively rely on operating personnel technical ability and
So that welding quality is unstable, it is impossible to enough meet the Production requirement of modern industry.
Accordingly, it would be desirable to a kind of new welder substitutes traditional manual flatiron weldering, to meet the less precision of size
The welding of electronic component.
The content of the invention
Substitute traditional manual flatiron weldering it is an object of the invention to provide a kind of new welder, with meet size compared with
The welding of small precise electronic component.
To achieve these goals, the invention discloses a kind of contact tin ball bonding connection device, including the detection of soldering tip, air pressure
Mechanism, laser light mechanism and actuating unit, the soldering tip have weldering chamber, and the weldering chamber is communicated with compressed gas organization of supply with right
In the weldering chamber provide gas-pressurized, the weldering chamber be also communicated with tin ball organization of supply so that single tin ball enter the weldering chamber,
The air pressure testing agency is used to detect the air pressure in the weldering chamber that the actuating unit to be used to control soldering tip to move up and down, institute
The lower end for stating soldering tip offers the outlet of tin ball, and the laser of the laser light mechanism projects direction just to the tin ball outlet, described
The diameter of the internal diameter more than the tin ball of tin ball outlet.
Compared with prior art, the contact tin ball bonding connection device that the present invention is provided, in application process, by engine
After structure drives soldering tip to be moved downward to workpiece position to be welded, tin ball is moved in the outlet of tin ball under gravity, and is work
Part is limited cannot depart from the outlet of tin ball, and in the process, tin ball has certain plugging action to the outlet of tin ball, causes and is continually fed into
Air pressure increase in the weldering chamber of gas-pressurized, detects the air pressure testing agency triggering laser light mechanism of air pressure increase so that in quilt
Workpiece and tin ball export spacing tin ball and are hit and liquefy rapidly, the tin liquor of melting depart from the outlet of tin ball and directly come with
Abutting workpiece position to be welded at so that realize welding.According to the contact tin ball bonding connection device that the present invention is provided, scolding tin
During tin ball and workpiece to be welded abut against, on the one hand cause the stifled tin ball outlet of tin ball sealing and then laser light mechanism generation of setting out
Laser melts tin, another aspect tin ball and workpiece position to be welded directly contact cause scolding tin position accurately and reliably, tin liquor will not send out
Raw sputtering.
Preferably, the diameter ratio of the internal diameter of the tin ball outlet and the tin ball is more than or equal to 1.05 and is less than or equal to
1.2；Size range so that tin ball has obvious plugging action to the outlet of tin ball, while not influenceing tin ball to depart from soldering tip.
Preferably, the weldering chamber downside connects in the pyramidal structure that from up to down internal diameter is gradually reduced, and the tin ball outlet
Pass through the lower end of the pyramidal structure；The setting of the pyramidal structure on the downside of weldering chamber so that the tin ball entered in weldering chamber is made in gravity
Export interior with lower smooth entrance tin ball.
Preferably, the soldering tip also includes being removably attachable to the tip of soldering tip main body, the tin ball outlet is opened in
In the tip；The setting of dismountable tip, can work as when tin ball exit blocks and easily pull down with right tip
The tip that soldering tip is repaired or direct replacement is new, to cause that contact tin ball bonding connection device of the present invention quickly resumes operation.
Preferably, the gas-pressurized is nitrogen.
To achieve the above object, present invention also offers a kind of soldering tip for contact tin ball bonding connection device, the weldering
Head includes weldering chamber and is respectively communicated with the tin ball in the weldering chamber into passage and gas passage, and the lower end in the weldering chamber is vertically arranged
There is the tin ball for connecting the weldering chamber to export, the inwall of the tin ball outlet is cylindrical, the internal diameter of the tin ball outlet is more than institute
State the diameter of tin ball.
Compared with prior art, the soldering tip of the contact tin ball bonding connection device that the present invention is provided, in application process, relies on
After actuating unit drives soldering tip to be moved downward to workpiece position to be welded, tin ball is moved in the outlet of tin ball under gravity,
And cannot depart from the outlet of tin ball by workpiece is limited, in the process, tin ball has certain plugging action to the outlet of tin ball, causes and holds
The continuous air pressure increase being passed through in the weldering chamber of gas-pressurized, detects the air pressure testing agency triggering laser light mechanism of air pressure increase, makes
Be hit and liquefy rapidly exporting spacing tin ball by workpiece and tin ball, the tin liquor of melting departs from tin ball outlet and directly
Come at the workpiece position to be welded for abutting therewith, so as to realize welding.
Preferably, the diameter ratio of the internal diameter of the tin ball outlet and the tin ball is more than or equal to 1.05 and is less than or equal to
1.2。
Specifically, the weldering chamber downside connects in the pyramidal structure that from up to down internal diameter is gradually reduced, and the tin ball outlet
Pass through the lower end of the pyramidal structure.
To achieve the above object, present invention also offers a kind of contact tin ball bonding technique, including step：A, engine
Structure drives soldering tip to be moved downward to workpiece top, and the distance of soldering tip and workpiece position to be welded is less than tin bulb diameter；B, tin ball
Organization of supply orders about single tin ball and enters in the weldering chamber of soldering tip, and diameter is less than the tin ball of the internal diameter of tin ball outlet under gravity
Into the outlet of tin ball, and it is that the outlet of tin ball and workpiece are spacing so that the pressurization that weldering chamber internal cause gas-pressurized organization of supply is provided
Gas and there is air pressure change；C, the air pressure testing agency triggering laser light mechanism for detecting air pressure change in weldering chamber, laser light mechanism
Laser is projected to the outlet of tin ball and melts tin ball；D, the tin ball for melting depart from the outlet of tin ball, and actuating unit drives soldering tip to move up
Away from workpiece.
Compared with prior art, the present invention provide contact tin ball bonding technique, by actuating unit drive soldering tip to
Under be moved to workpiece position to be welded after, tin ball is moved in the outlet of tin ball under gravity, and cannot be taken off by workpiece is limited
From the outlet of tin ball, in the process, tin ball has certain plugging action to the outlet of tin ball, causes the weldering for being continually fed into gas-pressurized
Air pressure increase in chamber, detects the air pressure testing agency triggering laser light mechanism of air pressure increase so that go out by workpiece and tin ball
The spacing tin ball of mouth is hit and liquefies rapidly, and the tin liquor of melting departs from the outlet of tin ball and simultaneously directly comes the workpiece for abutting therewith
At position to be welded, so as to realize welding.According to the contact tin ball bonding welding procedure that the present invention is provided, tin during scolding tin
Ball and workpiece to be welded are abutted against, and on the one hand cause the stifled tin ball outlet of tin ball sealing and then laser light mechanism of setting out occurs laser and melts
Tin, another aspect tin ball and workpiece position to be welded directly contact cause scolding tin position accurately and reliably, tin liquor will not sputter.
Preferably, in step a, the ratio between distance and tin bulb diameter of soldering tip and workpiece position to be welded are 0.4~0.6；Should
Position restriction so that tin ball is during spacing by the outlet of tin ball and workpiece institute, and it is more that tin ball can block the outlet of tin ball
Discharge area, while also because of the outlet of tin ball and workpiece hypotelorism workpiece will not be caused to produce plugging action to the outlet of tin ball.
Brief description of the drawings
Fig. 1 is the stereogram of contact tin ball bonding connection device of the present invention.
Fig. 2 is the front view of contact tin ball bonding connection device of the present invention.
Fig. 3 is the sectional view in A-A directions in Fig. 1.
Fig. 4 is the enlarged drawing in B portions in Fig. 3.
Specific embodiment
To describe technology contents of the invention, structural feature, the objects and the effects in detail, below in conjunction with implementation method
And coordinate accompanying drawing to be explained in detail.
As shown in figure 1, the contact tin ball bonding connection device 100 that the present invention is provided, including soldering tip 110, air pressure testing agency
(not shown), laser light mechanism (not shown) and actuating unit (not shown), soldering tip 110 have weldering chamber 111, weld chamber 111
Be communicated with compressed gas organization of supply with provide in butt welding chamber 111 gas-pressurized, weldering chamber 111 be also communicated with tin ball organization of supply with
Single tin ball 200 is set to enter weldering chamber 111, air pressure testing agency is used to detect the air pressure in weldering chamber 111 that actuating unit to be used to control
Soldering tip 110 is moved up and down.The lower end of soldering tip 110 offers tin ball outlet 114, and the laser S injections direction of laser light mechanism is just right
Tin ball outlet 114, the diameter of the internal diameter more than tin ball 200 of tin ball outlet 114.With reference to shown in Fig. 2-Fig. 4, more specifically：
As depicted in figs. 1 and 2, soldering tip 110 is arranged at the opposing lower end of contact tin ball bonding connection device 100, and soldering tip 110
Under the driving of the drive mechanism of contact tin ball bonding connection device 100, can move up and down, to cause that soldering tip 110 is moved down
Near workpiece to be welded 300, or move upwardly away from the workpiece 300 that welding is completed.
Refer to shown in Fig. 3, soldering tip 110 has vertically arranged weldering chamber 111, and gas-pressurized organization of supply and tin ball are supplied
Mechanism is answered to be respectively communicated with weldering chamber 111, to be provided with gas-pressurized and single tin ball 200 in butt welding chamber 111.Specifically：Soldering tip
The tin ball that connection weldering chamber 111 is also respectively provided with 110 enters passage 112 and gas passage (not shown), wherein, tin ball enters
Enter passage 112 for connecting tin ball organization of supply, and gas passage is used to connect gas-pressurized organization of supply.It should be understood that
A substantially enclosed environment in weldering chamber 111, only tin ball exit passageway 114 constitute the gas exchanges mouthful in weldering chamber 111 and the external world, gas
Passage is used for supply gas-pressurized in butt welding chamber 111, and the tin ball for being used to supply tin ball 200 is not also resulted in into passage 112
A large amount of gases leakage in weldering chamber 111.Therefore, in weldering chamber 111, pressurization is passed through in gas-pressurized organization of supply butt welding chamber 111
Gas so that the air pressure in weldering chamber 111 is also more than atmospheric pressure when normal, tin ball should set into passage 112 in inclining slightly downward
Put, so as to the tin ball 200 for departing from tin ball organization of supply can resist under gravity weldering chamber 111 in air pressure automatically into weldering
In chamber 111, certainly, tin ball 200 can also be provided with larger initial velocity by tin ball organization of supply, tin ball 200 is launched
Into in weldering chamber 111.On the other hand, different into passage 112 from tin ball, the angle of gas passage and position are unrestricted,
As long as gas-pressurized can be passed through in butt welding chamber 111.
Refer to again shown in Fig. 3 and Fig. 4, the outlet of soldering tip 110, should set the relative weldering linear type in chamber 111, so as to
Laser light mechanism can project laser S to the Way out of soldering tip 110.Specifically：Tin ball outlet 114 is arranged under weldering chamber 111
End, and tin ball outlet 114 and weldering chamber 111 are in be concentrically disposed with；Laser light mechanism is arranged at the upside in weldering chamber 111, and laser light mechanism
Laser S project direction just to tin ball outlet 114.Preferably, the downside of weldering chamber 111 is in the taper that from up to down internal diameter is gradually reduced
Structure 111a, and tin ball outlet 114 is communicated in the lower end of pyramidal structure 111a；The pyramidal structure 111a's of the downside of weldering chamber 111 sets
Put so that the tin ball 200 entered in weldering chamber 111 smoothly enters in tin ball outlet 114 under gravity.
Further, the contact tin ball bonding connection device 100 that the present invention is provided, its core point is：Tin ball 200 enters weldering
Behind chamber 111, it is moved under gravity in tin ball outlet 114, and is the institute of workpiece to be welded 300 of the lower section of tin ball outlet 114
Limit and tin ball outlet 114 cannot be departed from.So so that in the process, tin ball 200 has certain closure to tin ball outlet 114
Effect, causes the air pressure being continually fed into the weldering chamber 111 of gas-pressurized to increase, and the air pressure testing agency for detecting air pressure increase touches
Hair laser light mechanism so that be hit and liquefy rapidly 114 spacing tin balls 200 are exported by workpiece 300 and tin ball, melting
Tin liquor departs from tin ball outlet 114 and directly comes at the position to be welded of workpiece 300 for abutting therewith, so as to realize welding.
Contact tin ball bonding connection device 100 of the present invention, because tin ball 200 is by tin ball outlet 114 and just to tin ball outlet 114
Workpiece 300 positioned, until tin ball 200 projected by laser light mechanism laser S hit and melt.Therefore, tin ball 200 falls
Time does not interfere with the performance of contact tin ball bonding connection device 100 of the present invention, and tin ball 200 exports 114 closure to tin ball
Air pressure change amount in effect, and weldering chamber 111 in welding process is only decision contact tin ball bonding connection device 100 of the present invention
The key element of performance.
It should be understood that the internal diameter of tin ball outlet 114 is more than tin ball 200, to enable that tin ball 200 is exported by tin ball
Smoothly depart from 114.And be so that tin ball 200 to tin ball outlet 114 play plugging action, with cause weldering the internal cause tin ball of chamber 111
200 and produce air pressure change, the size of tin ball outlet 114 is also unsuitable excessive, it is preferred that the internal diameter and tin ball of tin ball outlet 114
200 diameter ratio is more than or equal to 1.05 and less than or equal to 1.2.
In one embodiment, the downside of weldering chamber 111 goes out in the pyramidal structure 111a that from up to down internal diameter is gradually reduced, and tin ball
Mouth passage 114 is communicated in the lower end of pyramidal structure 111a；The setting of the pyramidal structure 111a of the downside of weldering chamber 111 so that enter weldering
Tin ball 200 in chamber 111 smoothly enters in tin ball exit passageway 114 under gravity.
Preferably, as shown in Figure 3 and Figure 4, soldering tip 110 also includes being removably attachable to the tip of the body of soldering tip 110
115, tin ball exit passageway 114 is opened in tip 115；The setting of dismountable tip 115 so that when generation in soldering tip 110
When such as tin ball 200 is blocked, scolding tin blocks tin ball 114 failure of exit passageway, tip 115 can be pulled down with to soldering tip with aspect
110 are repaired, and are not applied when using at tip 115, and the body of soldering tip 110 can be more caused by replacing tip 115
Reused.Preferably, include in the pyramidal structure 115a that from up to down internal diameter is gradually reduced in tip 115 and be arranged at
The tin ball exit passageway 114 of pyramidal structure 111a lower ends.
It should be understood that the gas-pressurized that the present invention is supplied to compressed gas organization of supply, just with its pressure change,
Performance without being applied to gas-pressurized, therefore gas-pressurized can be arbitrary gas, as long as its stable performance, pollution-free, no
Influence welding process.Preferably, gas-pressurized is stable performance and cheap nitrogen.
Compared with prior art, the contact tin ball bonding connection device 100 that the present invention is provided, in application process, by dynamic
After force mechanisms drive soldering tip 110 to be moved downward to the position to be welded of workpiece 300, tin ball 200 is moved to tin ball under gravity
In outlet 114, and tin ball outlet 114 cannot be departed from by the limit of workpiece 300, in the process, tin ball 200 is to tin ball outlet 114
Closure cause be continually fed into gas-pressurized weldering chamber 111 in air pressure increase, detect air pressure increase air pressure testing agency
Triggering laser light mechanism so that hit and liquefied rapidly by laser S spacing tin ball 200 is exported by workpiece and tin ball, melt
Tin liquor depart from tin ball outlet 114 and directly come at the workpiece position to be welded for abutting therewith, so as to realize welding.According to this
The contact tin ball bonding connection device for providing is invented, tin ball 200 and workpiece 300 to be welded are abutted against during scolding tin, on the one hand
So that the closure tin ball of tin ball 200 outlet 114 and then set out the laser light mechanism generation laser molten tin of S, another aspect tin ball 200 and workpiece
300 position to be welded directly contacts cause scolding tin position accurately and reliably, tin liquor will not sputter.
With reference to shown in Fig. 1-Fig. 4, the contact tin ball bonding technique that the present invention is provided, including step：
A, actuating unit drive soldering tip 110 to be moved downward to the top of workpiece 300, and soldering tip 110 and the socket part to be welded of workpiece 300
The distance of position is less than tin bulb diameter；Specifically, soldering tip 110 is arranged at the opposing lower end of contact tin ball bonding connection device 100, and weldering
First 110 under the driving of the drive mechanism of contact tin ball bonding connection device 100, moves down near workpiece to be welded 300, and make
It is 0.4~0.6 to obtain distance and the diameter ratio of tin ball 200 between soldering tip 110 and the socket part to be welded of workpiece 300 so that tin ball 200 is in quilt
During tin ball outlet 114 and the institute of workpiece 300 are spacing, tin ball 200 can block tin ball and export 114 more discharge areas,
Also workpiece 300 will not be caused to produce closure to make tin ball outlet 114 because tin ball goes out 114 mouthfuls and the hypotelorism of workpiece 300 simultaneously
With.
B, tin ball organization of supply order about single tin ball 200 and enter in the weldering chamber 111 of soldering tip 110, and diameter is exported less than tin ball
The tin ball 200 of 114 internal diameter moves down and comes tin ball under the guide effect along pyramidal structure 111a under gravity
In mouth 114 so that weldering occurs air pressure change in chamber 111 because of the gas-pressurized that gas-pressurized organization of supply is provided；Now, tin ball
200 downside is limited by workpiece 300, and the periphery of tin ball 200 is limited by tin ball outlet 114, although tin ball 200 can be in tin
Ball outlet 114 inside diameter ranges in moves slightly, but tin ball outlet 114 internal diameter and tin ball 200 diameter ratio more than etc.
Setting in 1.05 and less than or equal to 1.2, also cause tin ball 200 move anyway will not also leave tin ball outlet 114 in
At the heart；
C, the air pressure testing agency triggering laser light mechanism for detecting air pressure change in weldering chamber, laser light mechanism are penetrated to the outlet of tin ball
Go out laser S and melt tin ball 200；
D, the tin ball 200 for melting depart from the outlet of tin ball, and actuating unit drives soldering tip 110 to move upwardly away from workpiece 300；Tool
Body, the tin liquor that tin ball 200 is hit by laser S and melts formation departs from tin ball outlet 114, and directly comes the work for abutting therewith
At the position to be welded of part 300, so that welding is realized, and actuating unit drives soldering tip 110 to move upwardly away from workpiece 300, so as to
Next workpiece is welded.
Compared with prior art, the contact tin ball bonding technique that the present invention is provided, soldering tip 110 is driven by actuating unit
Move down near the position to be welded of workpiece 300, and the tin ball of the lower end of soldering tip 110 exports 114 tin balls outlet 114 and workpiece 300
Distance be 0.4~0.6 diameter of tin ball 200；Tin ball 200 is moved rapidly in the presence of Action of Gravity Field and pyramidal structure 111a
Move to tin ball outlet 114, and limited by the workpiece 300 just to tin ball outlet 114, the internal diameter and tin ball of tin ball outlet 114
200 diameter ratio is between 1.05~1.2 so that tin ball 200 can not depart from the center line of tin ball outlet 114；Cross herein
Cheng Zhong, tin ball 200 has certain plugging action to tin ball outlet 114, causes the gas being continually fed into the weldering chamber 111 of gas-pressurized
Pressure increase, detects the air pressure testing agency triggering laser light mechanism of air pressure increase so that by workpiece 300 and tin ball outlet 114
Spacing tin ball 200 be hit and liquefy rapidly, the tin liquor of melting departs from tin ball outlet 114 and simultaneously directly comes what is abutted therewith
At the position to be welded of workpiece 300, so as to realize welding.According to the contact tin ball bonding technique that the present invention is provided, scolding tin process
Middle tin ball 200 and workpiece 300 to be welded are abutted against, and on the one hand cause that the closure tin ball of tin ball 200 exports 114 and then the laser that sets out
There is the molten tin of laser in mechanism, another aspect tin ball 200 and the position to be welded directly contact of workpiece 300 cause that scolding tin position accurately may be used
Will not be sputtered by, tin liquor.Additionally, the present invention provide contact tin ball bonding technique, although tin ball 200 before melting with
Workpiece to be welded 300 has contact, but soldering tip 110 and workpiece to be welded 300 have no directly contact, right in welding process so as to avoid
Workpiece to be welded 300 is polluted.
Above disclosed is only the preferred embodiments of the present invention, can not limit the right of the present invention with this certainly
Scope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of contact tin ball bonding connection device, it is characterised in that：Including soldering tip, air pressure testing agency, laser light mechanism and power
Mechanism, the soldering tip has weldering chamber, and the weldering chamber is communicated with compressed gas organization of supply with to providing pressurization gas in the weldering chamber
Body, the weldering chamber is also communicated with tin ball organization of supply so that single tin ball enters the weldering chamber, and the air pressure testing agency is used for
The air pressure in the weldering chamber is detected, the actuating unit is used to control soldering tip to move up and down, and the lower end of the soldering tip offers tin
Ball is exported, and the laser of the laser light mechanism projects direction just to the tin ball outlet, and the internal diameter of the tin ball outlet is more than institute
State the diameter of tin ball.
2. contact tin ball bonding connection device as claimed in claim 1, it is characterised in that：The internal diameter and described of the tin ball outlet
The diameter ratio of tin ball is more than or equal to 1.05 and less than or equal to 1.2.
3. contact tin ball bonding connection device as claimed in claim 1, it is characterised in that the weldering chamber downside is in from up to down interior
The pyramidal structure that footpath is gradually reduced, and the tin ball outlet is in the lower end of the pyramidal structure.
4. contact tin ball bonding connection device as claimed in claim 1, it is characterised in that the soldering tip also includes removably connecting
The tip of soldering tip main body is connected to, the tin ball outlet is opened in the tip.
5. contact tin ball bonding connection device as claimed in claim 1, it is characterised in that the gas-pressurized is nitrogen.
6. a kind of soldering tip for contact tin ball bonding connection device, it is characterised in that the soldering tip includes weldering chamber and is respectively communicated with
The tin ball in the weldering chamber enters passage and gas passage, and the lower end in the weldering chamber is vertically provided with and connects the tin ball in the weldering chamber and go out
Mouthful, the inwall of the tin ball outlet is cylindrical, the diameter of the internal diameter more than the tin ball of the tin ball outlet.
7. contact tin ball bonding connection device as claimed in claim 1, it is characterised in that：The internal diameter and described of the tin ball outlet
The diameter ratio of tin ball is more than or equal to 1.05 and less than or equal to 1.2.
8. the soldering tip of contact tin ball bonding connection device is used for as claimed in claim 7, it is characterised in that the weldering chamber downside is in
The pyramidal structure that from up to down internal diameter is gradually reduced, and the tin ball outlet is in the lower end of the pyramidal structure.
9. a kind of contact tin ball bonding technique, it is characterised in that including step：
A, actuating unit drive soldering tip to be moved downward to workpiece top, and the distance of soldering tip and workpiece position to be welded is less than tin ball
Diameter；
B, tin ball organization of supply order about single tin ball and enter in the weldering chamber of soldering tip, and diameter exists less than the tin ball of the internal diameter of tin ball outlet
Exported into tin ball under Action of Gravity Field, and be that the outlet of tin ball and workpiece are spacing so that weldering chamber internal cause gas-pressurized organization of supply
The gas-pressurized of offer and there is air pressure change；
C, the air pressure testing agency triggering laser light mechanism for detecting air pressure change in weldering chamber, laser light mechanism are projected to the outlet of tin ball and swashed
Light melts tin ball；
D, the tin ball for melting depart from the outlet of tin ball, and actuating unit drives soldering tip to move upwardly away from workpiece.
10. contact tin ball bonding technique as claimed in claim 9, it is characterised in that in step a, soldering tip and workpiece are to be welded
The ratio between distance and tin bulb diameter of socket part position are 0.4~0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072236.XA CN106825816A (en) | 2017-02-09 | 2017-02-09 | Contact tin ball bonding connection device and its welding procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072236.XA CN106825816A (en) | 2017-02-09 | 2017-02-09 | Contact tin ball bonding connection device and its welding procedure |
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| Publication Number | Publication Date |
|---|---|
| CN106825816A true CN106825816A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710072236.XA Pending CN106825816A (en) | 2017-02-09 | 2017-02-09 | Contact tin ball bonding connection device and its welding procedure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570829A (en) * | 2017-10-20 | 2018-01-12 | 东莞市卓安精机自动化设备有限公司 | A kind of tin ball bonding structure and method for accurate fine solder region |
| CN107931764A (en) * | 2017-11-28 | 2018-04-20 | 深圳市吉百顺科技有限公司 | A kind of ceramics scolding tin nozzle and its production technology |
| CN108608085A (en) * | 2018-04-28 | 2018-10-02 | 歌尔股份有限公司 | Control method, Soldering machine and the storage medium of Soldering machine |
| CN109822172A (en) * | 2019-03-23 | 2019-05-31 | 东莞市联科自动化设备有限公司 | A kind of tin ball bonding connection device and its welding procedure |
| CN111872510A (en) * | 2020-07-17 | 2020-11-03 | 湖南新视电子技术有限公司 | Laser tin soldering welding tip structure and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570829A (en) * | 2017-10-20 | 2018-01-12 | 东莞市卓安精机自动化设备有限公司 | A kind of tin ball bonding structure and method for accurate fine solder region |
| CN107931764A (en) * | 2017-11-28 | 2018-04-20 | 深圳市吉百顺科技有限公司 | A kind of ceramics scolding tin nozzle and its production technology |
| CN108608085A (en) * | 2018-04-28 | 2018-10-02 | 歌尔股份有限公司 | Control method, Soldering machine and the storage medium of Soldering machine |
| CN108608085B (en) * | 2018-04-28 | 2020-07-10 | 歌尔股份有限公司 | Control method for soldering machine, and storage medium |
| CN109822172A (en) * | 2019-03-23 | 2019-05-31 | 东莞市联科自动化设备有限公司 | A kind of tin ball bonding connection device and its welding procedure |
| CN111872510A (en) * | 2020-07-17 | 2020-11-03 | 湖南新视电子技术有限公司 | Laser tin soldering welding tip structure and using method thereof |
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Application publication date: 20170613 |