CN107414226B - A kind of grip device and its application method for being used for microfilament and multiply wire bonding - Google Patents
A kind of grip device and its application method for being used for microfilament and multiply wire bonding Download PDFInfo
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- CN107414226B CN107414226B CN201710851614.4A CN201710851614A CN107414226B CN 107414226 B CN107414226 B CN 107414226B CN 201710851614 A CN201710851614 A CN 201710851614A CN 107414226 B CN107414226 B CN 107414226B
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- electrode
- microfilament
- wire casing
- sliding block
- fixedly connected
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0004—Resistance soldering
-
- 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
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
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- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a kind of for microfilament and the grip device of multiply wire bonding, including Y slid platform bases, Y the linear guides are connected in Y slid platform bases, Y-direction sliding block is connected in Y the linear guides, X slid platform bases are connected on Y-direction sliding block, X the linear guides are connected in X slid platform bases, X the linear guides connect the first X to sliding block and the 2nd X to sliding block, first X connects left connection board on sliding block, left electrode tip holder is connected in left connection board, 2nd X connects right connection board on sliding block, right electrode tip holder is connected in right connection board, it is left, electrode is respectively provided on right electrode tip holder, connecting cover plate on electrode, wire casing is offered on cover board；Clamping between electrode on left and right electrode tip holder to have graphite electrode, graphite electrode is equipped with wire casing；Fixed component is both provided with above the wire casing of cover board.The invention also discloses the application methods of this grip device.The present apparatus is simple in structure, easy to operate, and clamping is reliable, substantially increases joint quality and welding efficiency.
Description
Technical field
The present invention relates to welding technology field, more particularly to a kind of for microfilament and the grip device of multiply wire bonding
And its application method.
Background technology
The connection of microfilament (diameter is less than 0.3mm) is often referred in electronics industry, traditional gas brazing is to worker
Operation level requirement is higher, and connector yield rate is relatively low, it is difficult to meet production requirement.During using Laser Welding, laser spot diameter is difficult
In centering, and since laser energy density is big, it is easy to cause to burn.Accurate, welding quality is controlled since resistance brazing has
The advantages that good, the welding of current microfilament mainly use resistance brazing.
When welding microfilament using resistance brazing, it is necessary first to solder piece is added in graphite electrode slot, then again successively
Be put into microfilament and multi cord, since solder piece and filament diameter are all very tiny, be difficult when hand-manipulated control solder piece and
The relative position of filament and multi cord, even if their position placement is appropriate, due to fixing multi cord with hand in welding process
And filament, and the shake of hand in the welding process can cause the relative position of microfilament and multi cord to change, so as to cause can not
Weld together or welding quality is not up to standard.Simultaneously as addition solder piece is too tiny and graphite electrode slot is all smaller and
The blocking of welding machine in itself in welding process must cause the early-stage preparations time longer, drop very with caution when carrying out solder addition
Low welding efficiency.In welding, after graphite electrode is replaced, need not stop to adjust entire welding machine, " top electrode " is made just to press
It is time-consuming and laborious onto graphite electrode.
In conclusion poor welding quality during how solving resistance brazing welding microfilament, welding efficiency is low asks
Topic, becomes the technical issues of those skilled in the art are urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide a kind of grip device and its application method for microfilament and multiply wire bonding, with
The above-mentioned problems of the prior art is solved, the welding quality for making resistance brazing welding microfilament is good, and welding efficiency is high.
To achieve the above object, the present invention provides following schemes：The present invention provides one kind to be used for microfilament and multiply
The grip device of wire bonding, including Y slid platform bases, the Y slid platform bases upper surface is fixedly connected with the Y straight lines being mutually parallel and leads
Rail slidably connects Y-direction sliding block in the Y the linear guides, and the upper surface of the Y-direction sliding block is fixedly connected with X slid platform bases, institute
It states X slid platform bases upper surface and is fixedly connected with the X the linear guides being mutually parallel, the first X is slidably connected in the X the linear guides
To sliding block and the 2nd X to sliding block, the first X is fixedly connected with left connection board to the upper surface of sliding block, in the left connection board
Left electrode tip holder is fixedly connected with, left electrode is set on the left electrode tip holder, the left electrode top is fixedly connected with left cover,
The first wire casing is offered on the left cover；2nd X is fixedly connected with right connection board, the right company to the upper surface of sliding block
Right electrode tip holder is fixedly connected on fishplate bar, right electrode is set on the right electrode tip holder, the right electrode top is fixedly connected with
Right cover plate offers the second wire casing on the right cover plate；Felt pad is provided between the left electrode tip holder and the left connection board
Plate is also equipped with insulating pad between the right electrode tip holder and the right connection board；It is clamping between the left electrode and right electrode
There is graphite electrode, the left cover and right cover plate do not contact with graphite electrode, and third wire casing is offered on the graphite electrode；
First wire casing, the second wire casing and third wire casing point-blank, are both provided with above first wire casing, the second wire casing
Fixed component, connecting magnifying glass component in the Y slid platform bases.
Preferably, the fixed component includes insulating nut, adjusting nut, screw rod, spring and key tabletting, the insulation
Nut is fixedly connected in the X slid platform bases, and one end of the screw rod is connected on the insulating nut, and the other end passes through spiral shell
Line is connect with the adjusting nut, and the screw rod is arranged with spring, the adjusting close to the adjustment thread segment of the adjusting nut
Key tabletting is provided between nut and the spring, one end of the key tabletting is set in the adjustment spiral shell of the adjusting nut
Line section, the spring one end are withstood on the boss of the screw flight section end, the other end and the following table of the key tabletting
Face contacts.
Preferably, the left side of the left connection board is contacted with a locking device, the right side of the right connection board and one
Locating piece contacts, and the locating piece is fixedly connected in the X slid platform bases.
Preferably, the locking device includes the locking screw female seat being fixedly connected in X slid platform bases, the locking nut
The side of seat is provided with tapped through hole, and the tapped through hole is threadedly coupled with a clamping screw, and the end face of the clamping screw is supported
On the left side of the left connection board.
Preferably, the amplification mirror assembly includes supporting rod, extension bar, magnifying glass supporting rack and magnifying glass, the support
One end of bar is connected in the Y slid platform bases, and one end of the other end and the extension bar is slidably connected, and the position that is slidably connected
Side be provided with positioning screw, the other end of the extension bar is connect with one end of the magnifying glass supporting rack, the amplification
The other end of mirror supporting rack is connected with the shank of the magnifying glass by spherical joint, and the magnifying glass is suspended in the third wire casing
Top.
Preferably, the left cover, right cover plate are processed into wedge shape close to one end of the graphite electrode.
Preferably, the left cover is fixed by screws on the left electrode tip holder, and the right cover plate is fixed by screw
On the right electrode tip holder, the left cover and right cover plate are electro-insulating rubber pad.
A kind of application method for microfilament and the grip device of multiply wire bonding, this method include：
1) position is proofreaded before welding, ensures that the top electrode of resistance welder and the graphite electrode are right in the X direction
Together；The amplification mirror assembly is adjusted to the top of the graphite electrode, the X slid platform bases are adjusted manually, by the graphite
Electrode is adjusted to the observation area position of the amplification mirror assembly, is placed in the third wire casing with tweezers gripping solder piece, so
Filament and multi cord are sequentially placed into, while adjust multi cord and filament in the third wire casing afterwards, by the more of non-solder part
Strand and filament are individually positioned in first wire casing, in the second wire casing, using the fixed component by first wire casing,
Multi cord and filament in two wire casings are fixed；
2) the amplification mirror assembly is removed, the positive and negative electrode of resistance welder is respectively connected in the left electrode, right electrode
Electrode hole in, adjust the X slid platform bases, the top electrode of resistance welder made just to be directed at the graphite electrode after pushing,
It when triggering resistance welder welding button, is pressed on the graphite electrode under top electrode, prevents multi cord and filament in welding
It moves position；
3) electric current flows through the graphite electrode from left electrode when welding, and the graphite electrode fever is melted solder, completed more
The soldering of strand and filament after the completion of welding, unclamps the fixed component, takes out part.
The fixed component in the above method includes insulating nut, adjusting nut, screw rod, spring and key tabletting, institute
It states insulating nut to be fixedly connected in the X slid platform bases, one end of the screw rod is connected on the insulating nut, the other end
It is connect by screw thread with the adjusting nut, the screw rod is arranged with spring close to the adjustment thread segment of the adjusting nut, institute
It states and key tabletting is provided between adjusting nut and the spring, one end of the key tabletting is set in the adjusting nut
Thread segment is adjusted, the spring one end is withstood on the boss of the screw flight section end, the other end and the key tabletting
Lower surface contact.
The amplification mirror assembly in the above method includes supporting rod, extension bar, magnifying glass supporting rack and magnifying glass, described
One end of supporting rod is connected in the Y slid platform bases, and one end of the other end and the extension bar is slidably connected, and is slidably connected
The side of position is provided with positioning screw, and the other end of the extension bar is connect with one end of the magnifying glass supporting rack, described
The other end of magnifying glass supporting rack is connected with the shank of the magnifying glass by spherical joint, and the magnifying glass is suspended in the third
The top of wire casing.
The present invention achieves following technique effect relative to the prior art：
The grip device and its application method for microfilament and multiply wire bonding of the present invention, solve 0.1mm~
Yield rate caused by when the microfilament of 0.3mm is brazed with the stranded conductor traditional resistor of 0.8mm~1.2mm is low, and welding efficiency is not
The problem of high, realizes the resistance brazing connection of the stabilization between microfilament and multi cord, improves joint quality and welding is imitated
Rate, solder yield also greatly improve.The apparatus structure is simple, easy to operate, and clamping is reliable, versatile, can be as needed
The microfilament of welding and the diameter change cover board of stranded conductor, are suitble to the microfilament of different-diameter and the reliable dress of stranded conductor
Folder.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is dimensional structure diagram of the present invention for microfilament and the grip device of multiply wire bonding；
Fig. 2 is the present invention for microfilament and a kind of structure diagram of angle of the grip device of multiply wire bonding；
Fig. 3 is the present invention for microfilament and the structure diagram of another angle of the grip device of multiply wire bonding；
Fig. 4 is the present invention for microfilament and the work top structure diagram of the grip device of multiply wire bonding；
Wherein, 1 is locating piece, and 2 be right connection board, and 3 be insulating pad, and 4 be right electrode tip holder, and 5 be graphite electrode, and 6 be the right side
Cover board, 7 be left connection board, and 8 be left electrode tip holder, and 9 be left cover, and 10 be locking screw female seat, and 11 be Y the linear guides, and 12 be X slide units
Pedestal, 13 be X the linear guides, and 14 be Y slid platform bases, and 15 be key tabletting, and 16 be spring, and 17 be screw rod, and 18 be adjusting nut,
19 be insulating nut, and 20 be supporting rod, and 21 be positioning screw, and 22 be extension bar, and 23 be magnifying glass supporting rack, and 24 be magnifying glass,
25 be Y-direction sliding block, and 26 be the 2nd X to sliding block, and 27 be the first X to sliding block, and 28 be clamping screw, and 29 be the first wire casing, and 30 be the
Two wire casings, 31 be third wire casing.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of grip device and its application method for microfilament and multiply wire bonding, with
Solve the problems, such as of the existing technology, the welding quality for making resistance brazing welding microfilament is good, and welding efficiency is high.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figs 1-4, it is slided the present invention provides a kind of for microfilament and the grip device of multiply wire bonding including Y
Platform pedestal 14,14 upper surface of Y slid platform bases are fixedly connected with the Y the linear guides 11 being mutually parallel, the company of slip in Y the linear guides 11
Y-direction sliding block 25 is connected to, the upper surface of Y-direction sliding block 25 is fixedly connected with X slid platform bases 12, and 12 upper surface of X slid platform bases, which is fixed, to be connected
The X the linear guides 13 being mutually parallel are connected to, the first X is slidably connected in X the linear guides 13 to 27 and the 2nd X of sliding block to sliding block
26, the upper surface of the first X to sliding block 27 is fixedly connected with left connection board 7, and left electrode tip holder 8 is fixedly connected in left connection board 7, left
Left electrode is set on electrode tip holder 8, and the left electrode top is fixedly connected with left cover 9, the first wire casing is offered on left cover 9
29.The upper surface of 2nd X to sliding block 26 is fixedly connected with right connection board 2, and right electrode tip holder 4 is fixedly connected in right connection board 2, right
Right electrode is set on electrode tip holder 4, and the right electrode top is fixedly connected with right cover plate 6, the second wire casing is offered on right cover plate 6
30.The electrode hole for connection electrode is offered on the left electrode, right electrode.It is set between left electrode tip holder 8 and left connection board 7
There is insulating pad 3, insulating pad 3 is also equipped between right electrode tip holder 4 and right connection board 2.Insulation spacer 3 can prevent electric current stream
Short circuit occurs to pedestal.The left electrode is provided with the first groove, the right electricity close to the one side edge position of the right electrode
The one side edge position of the left electrode is extremely provided with the second groove, first groove and the second groove location phase
Right, size is identical, places graphite electrode 5 in the big groove that first groove and second groove are formed, graphite electrode 5 by
First groove and the corresponding side wall of the second groove are clamping.
Left cover 9 and right cover plate 6 do not contact with graphite electrode 5, and the left cover 9, right cover plate 6 are close to graphite electrode 5
One end be processed into wedge shape, and left cover 9, right cover plate 6 are not contacted with graphite electrode 5.Left cover 9 is fixed by screws in a left side
On electrode tip holder 8, right cover plate 6 is fixed by screws on right electrode tip holder 4, and left cover 9 and right cover plate 6 are electro-insulating rubber pad.
Left cover 9 and right cover plate 6 are disposed as insulation cover plate, it is therefore an objective to and prevent electric current from directly flowing through filament and multi cord by electrode,
So as to which filament be blown.Third wire casing is offered on graphite electrode 5.First wire casing 29, the second wire casing 30 and third wire casing 31 exist
On straight line.First wire casing 29, the top of the second wire casing 30 are both provided with fixed component, connecting magnifying glass in Y slid platform bases 14
Component.First wire casing 29, the second wire casing 30 and third wire casing 31 ensure that the stabilization clamping of filament and multi cord, solid by setting
Determine component, ensure that position is stablized, therefore improve the welding quality of welding in the welding process for filament and multi cord.
Specifically, the fixed component includes insulating nut 19, adjusting nut 18, screw rod 17, spring 16 and key tabletting
15, insulating nut 19 is fixedly connected in X slid platform bases 12, and one end of screw rod 17 is connected on insulating nut 19, and the other end leads to
It crosses screw thread to connect with adjusting nut 18, screw rod 17 is arranged with spring 16, adjusting nut close to the adjustment thread segment of adjusting nut 18
Key tabletting 15 is provided between 18 and spring 16, one end of key tabletting 15 is set in the adjustment thread segment of screw rod 17.Spring
16 one end are withstood on the boss of 17 non-threaded sections of screw rod, and the other end is contacted with the lower surface of key tabletting 15.Screw rod 17 is connected to
On insulating nut 19, so as to prevent current direction pedestal from short circuit occurs.
X is provided in X the linear guides 13 to positioning device, specifically, the left side of left connection board 7 connects with a locking device
It touches, the locking device includes the locking screw female seat 10 being fixedly connected in X slid platform bases 12, and the side of locking screw female seat 10 is set
Tapped through hole is equipped with, the tapped through hole is threadedly coupled with clamping screw 28, and the end face of clamping screw 28 is against left connection board 7
On left side.The right side of right connection board 2 is contacted with locating piece 1, and locating piece 1 is fixedly connected in X slid platform bases 12.By
X is set to ensure that the positional stability of X-direction filament and multi cord in welding process to positioning device in X slid platform bases 12.
Specifically, the amplification mirror assembly includes supporting rod 20, extension bar 22, magnifying glass supporting rack 23 and magnifying glass 24,
One end of supporting rod 20 is connected in Y slid platform bases 14, and one end of the other end and extension bar 22 is slidably connected, and the position that is slidably connected
The side put is provided with positioning screw 21, and the other end of extension bar 22 is connect with one end of magnifying glass supporting rack 23, magnifying glass branch
The other end of support 23 is connected with the shank of magnifying glass 24 by spherical joint, and magnifying glass 24 is suspended in the top of third wire casing 31.
Magnifying glass 24 is made to be in best amplification position by the height for adjusting extension bar 22, magnifying glass 24 can rotate to after using
Side prevents interference from welding.
Wherein, the 2nd X can be along the structure setting of the slip of X the linear guides 13 to sliding block 27 to sliding block 26, the first X
For fixing graphite electrode 5 and making graphite electrode 5 easy to disassemble.After graphite electrode 5 fixes, the 2nd X is to 26 He of sliding block
First X cannot be moved to sliding block 27 further along X the linear guides 13, so being proofreaded when welding first time, ensure electricity
The top electrode of welding binder is aligned in the X direction with graphite electrode 5, while ensures whole device in follow-up welding in the X direction
Position does not change, it is thus only necessary to Y-direction is adjusted, adjustment time is greatly saved, improve welding efficiency.
The setting of Y the linear guides 11 so that every time after the completion of welding, device can be pulled out (the position of Y slid platform bases 14 along Y-direction
Put motionless), take out the filament and multi cord being welded, then device be drawn under magnifying glass 24, facilitate filament to be welded and
The clamping of multi cord.Welding position is back into after completing clamping, because device is not subjected to displacement in the X direction, is only needed
Adjustment Y-direction can just make the top electrode of resistance welder be directed at graphite electrode 5.
A kind of application method for microfilament and the grip device of multiply wire bonding, this method include：
1) position is adjusted before welding, adjusts the 2nd X to sliding block 26, the first X to the position of sliding block 27, so as to adjust
From the 2nd X to the position of the clamping graphite electrode 5 of electrodes of 26 and the first X of sliding block on sliding block 27, ensure the upper of resistance welder
Electrode and graphite electrode 5 are aligned in the X direction；Amplification mirror assembly is adjusted to the top of graphite electrode 5, along Y the linear guides
11 adjust X slid platform bases 12 manually, and graphite electrode 5 is adjusted to the observation area position of amplification mirror assembly, and pricker is gripped with tweezers
Tablet is placed in third wire casing 31, and filament and multi cord are then sequentially placed into third wire casing 31, at the same adjust multi cord and
The multi cord of non-solder part and filament are individually positioned in 29 slot of First Line, in the second wire casing 30, use fixed component by filament
Multi cord in first wire casing 29, the second wire casing 30 and filament are fixed；
2) amplification mirror assembly is removed, the positive and negative electrode of resistance welder is respectively connected to the electricity in the left electrode, right electrode
In the hole of pole, X slid platform bases 12 are adjusted, the top electrode of resistance welder is made just to be directed at graphite electrode 5 after pushing, when triggering resistance
It during welder button, is pressed under top electrode on graphite electrode 5, prevents multi cord and filament from being moved position in welding；
3) weld when electric current flow through graphite electrode 5 from left electrode, graphite electrode 5 generates heat, melt solder, complete multi cord with
The soldering of filament after the completion of welding, unclamps fixed component, takes out part.
If graphite electrode 5 is damaged after multiple welding, unscrew clamping screw 28, replace graphite electrode 5.
The present apparatus and and the application method of device in " top electrode ", different from traditional resistor be welded in top electrode, this
Parallel pole is used in invention so that electric current flows to right (left side) electrode from left (right side) electrode, when flowing through graphite electrode 5, graphite electricity
Resistance brazing is completed in the fever of pole 5, and electric current will not be by top electrode, and top electrode only serves a pressuring action, i.e., is welded in triggering
During button, top electrode is depressed on graphite electrode 5, ensures that filament and multi cord in third wire casing 31 will not be from slots when welding
In out, and relative position does not change.
Embodiment 1
The welded part that the present embodiment uses is the multi cord of 0.8mm and the thin nickel wire of 0.2mm, and resistance welding technology parameter is such as
Shown in the following table 1, wherein, electrode pressure 30N, welding current 0.6kA, weld interval 20cyc, cyc are cycle.It will welding
Sample is divided into two groups, is respectively labeled as first group, second group, 20 samples of every group of weldering, stretching is averaged comparison tension shearing.
Multi cord and thin nickel wire both ends welding portion 2000# sand paper are polished, then clean to degrease with acetone.Wherein, first
Group；Directly welded in a manner that graphite block is fixed on the bottom electrode；Second group：It is welded using apparatus of the present invention.
| Electrode pressure (N) | Welding current (kA) | Weld interval (cyc) |
| 30 | 0.6 | 20 |
1 multi cord of table and filament micro resistance brazing process parameter
Interpretation of result
As shown in table 2, when carrying out clamping welding using plain clamp, 20 samples of welding point, success 13, yield rate
60%.Tension test average tensile shearing is 9.89N, reaches the 75.4% of thin nickel wire base material tension shearing (soft state), wherein, carefully
Nickel wire materials behavior is soft state, and for tension shearing for 13.10N, fracture position part is filament and multiply wire bonding vulnerable area,
I.e. solder does not all wrap up filament and multi cord, is also partly the overlap joint misalignment that thin nickel wire and multi cord are formed.
When fixture using the present invention carries out clamping welding, 20 samples of welding point are successfully welded into 19, yield rate
95%.Overlap does not occur misalignment, and solder completely wraps filament and multi cord, from table 2 it can be seen that average tensile
It shears as 13N, reaches the 99% of thin nickel wire base material tension shearing.
The experimental result of 2 embodiment 1 of table
Embodiment 2
The welded part that the present embodiment uses is the multi cord of 0.8mm and the thin filamentary silver of 0.2mm, and resistance welding technology parameter is such as
Shown in the following table 3, wherein, electrode pressure 30N, welding current 0.6kA, weld interval 30cyc, cyc are cycle.It will welding
Sample is divided into two groups, is respectively labeled as first group, second group, 20 samples of every group of weldering, stretching is averaged comparison tension shearing.
Multi cord and thin filamentary silver both ends welding portion 2000# sand paper are polished, then with acetone clearly to degrease.First group of use
The mode that graphite block fixes on the bottom electrode is welded, and second group uses present clip.
| Electrode pressure (N) | Welding current (kA) | Weld interval (cyc) |
| 30 | 0.6 | 30 |
3 multi cord of table and filament micro resistance brazing process parameter
Interpretation of result
When carrying out clamping welding using plain clamp, 20 samples of welding point, success 15, yield rate 75%.It stretches
Experiment from table 2 it can be seen that average tensile shearing for 5.5N, reach thin filamentary silver base material tension shearing 84.6% (thin filamentary silver is female
Material tension shearing is 6.5N), major defect is the overlap joint misalignment that thin filamentary silver and multi cord are formed.
When fixture using the present invention carries out clamping welding, 20 samples of welding point are successfully welded into 20, yield rate
100%.Overlap does not occur misalignment, and solder completely wraps filament and multi cord, from table 4, it can be seen that average anti-
Shearing is drawn as 6.5N, reaches the 100% of thin filamentary silver base material tension shearing.
The experimental result of 4 example 2 of table
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is said referring to method part
It is bright.
Specific case is applied in the present invention to be expounded the principle of the present invention and embodiment, above example
Illustrate to be merely used to help understand method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (8)
- It is 1. a kind of for microfilament and the grip device of multiply wire bonding, it is characterised in that：Including Y slid platform bases, the Y slide units Base upper surface is fixedly connected with the Y the linear guides being mutually parallel, and Y-direction sliding block is slidably connected in the Y the linear guides, described The upper surface of Y-direction sliding block is fixedly connected with X slid platform bases, and it is straight that the X slid platform bases upper surface is fixedly connected with the X being mutually parallel Line guide rail slidably connects the first X in the X the linear guides to sliding block and the 2nd X to sliding block, and the first X is to the upper of sliding block Surface is fixedly connected with left connection board, and left electrode tip holder is fixedly connected in the left connection board, is set on the left electrode tip holder left Electrode, the left electrode top are fixedly connected with left cover, the first wire casing are offered on the left cover；2nd X to The upper surface of sliding block is fixedly connected with right connection board, and right electrode tip holder, the right electrode tip holder are fixedly connected in the right connection board The upper right electrode of setting, the right electrode top are fixedly connected with right cover plate, the second wire casing are offered on the right cover plate；It is described Insulating pad is provided between left electrode tip holder and the left connection board, is also provided between the right electrode tip holder and the right connection board There is insulating pad；It is clamping between the left electrode and right electrode to have a graphite electrode, the left cover and right cover plate not with it is described Graphite electrode contacts, and third wire casing is offered on the graphite electrode；First wire casing, the second wire casing and third wire casing are one On straight line, it is both provided with fixed component above first wire casing, the second wire casing, connecting magnifying glass in the Y slid platform bases Component.
- It is 2. according to claim 1 for microfilament and the grip device of multiply wire bonding, it is characterised in that：The fixation Component includes insulating nut, adjusting nut, screw rod, spring and key tabletting, and the insulating nut is fixedly connected on the X slide units On pedestal, one end of the screw rod is connected on the insulating nut, and the other end is connect by screw thread with the adjusting nut, institute It states screw rod and is arranged with spring close to the adjustment thread segment of the adjusting nut, be provided between the adjusting nut and the spring Key tabletting, one end of the key tabletting are set in the adjustment thread segment of the adjusting nut, and the spring one end withstands on institute On the boss for stating screw flight section end, the other end is contacted with the lower surface of the key tabletting.
- It is 3. according to claim 1 for microfilament and the grip device of multiply wire bonding, it is characterised in that：The left company The left side of fishplate bar is contacted with a locking device, and the right side of the right connection board is contacted with a positioning block, and the locating piece is consolidated Surely it is connected in the X slid platform bases.
- It is 4. according to claim 3 for microfilament and the grip device of multiply wire bonding, it is characterised in that：The locking Device includes the locking screw female seat being fixedly connected in X slid platform bases, and the side of the locking screw female seat is provided with tapped through hole, The tapped through hole is threadedly coupled with a clamping screw, and the end face of the clamping screw is against the left side of the left connection board On.
- It is 5. according to claim 1 for microfilament and the grip device of multiply wire bonding, it is characterised in that：The amplification Mirror assembly includes supporting rod, extension bar, magnifying glass supporting rack and magnifying glass, and one end of the supporting rod is connected to the Y slide units On pedestal, one end of the other end and the extension bar is slidably connected, and the side for the position that is slidably connected is provided with positioning screw, institute The other end for stating extension bar is connect with one end of the magnifying glass supporting rack, and the other end of the magnifying glass supporting rack is put with described The shank of big mirror is connected by spherical joint, and the magnifying glass is suspended in the top of the third wire casing.
- It is 6. according to claim 1 for microfilament and the grip device of multiply wire bonding, it is characterised in that：The left cover Plate, right cover plate are processed into wedge shape close to one end of the graphite electrode.
- It is 7. according to claim 1 for microfilament and the grip device of multiply wire bonding, it is characterised in that：The left cover Plate is fixed by screws on the left electrode tip holder, and the right cover plate is fixed by screws on the right electrode tip holder, the left side Cover board and right cover plate are electro-insulating rubber pad.
- 8. the application method of microfilament and the grip device of multiply wire bonding is used for according to claim 1-7 any one of them, This method includes：1) position is adjusted before welding, the top electrode and the graphite electrode for ensureing resistance welder are aligned in the X direction, weldering Using parallel pole in termination process, electric current will not be by the top electrode, and the top electrode only serves a pressuring action；By institute The top that amplification mirror assembly is adjusted to the graphite electrode is stated, the X slid platform bases is adjusted manually, the graphite electrode is adjusted To the observation area position of the amplification mirror assembly, it is placed in the third wire casing with tweezers gripping solder piece, then described Microfilament and multi cord are sequentially placed into third wire casing, while adjusts multi cord and microfilament, by the multi cord of non-solder part First wire casing is individually positioned in microfilament, in the second wire casing, using the fixed component by first wire casing, second Multi cord and microfilament in wire casing are fixed；2) the amplification mirror assembly is removed, the positive and negative electrode of resistance welder is respectively connected to the electricity in the left electrode, right electrode In the hole of pole, the X slid platform bases are adjusted, the top electrode of resistance welder is made just to be directed at the graphite electrode after pushing, when tactile It when the welding binder that generates electricity welds button, is pressed on the graphite electrode under top electrode, prevents multi cord and the microfilament position in welding Put movement；3) electric current flows through the graphite electrode from left electrode when welding, and the graphite electrode fever melts solder, completes multi cord With the soldering of microfilament, after the completion of welding, the fixed component is unclamped, takes out part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851614.4A CN107414226B (en) | 2017-09-19 | 2017-09-19 | A kind of grip device and its application method for being used for microfilament and multiply wire bonding |
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| CN201710851614.4A CN107414226B (en) | 2017-09-19 | 2017-09-19 | A kind of grip device and its application method for being used for microfilament and multiply wire bonding |
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| CN107414226B true CN107414226B (en) | 2018-07-06 |
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| CN108515251B (en) * | 2018-04-24 | 2023-07-25 | 南京淳泰控制设备有限公司 | End cover welding equipment |
| CN108788368A (en) * | 2018-07-08 | 2018-11-13 | 周立 | The intercoil connection automatic soldering device of automobile ABS wiring board |
| CN109623077A (en) * | 2019-01-20 | 2019-04-16 | 巨力自动化设备（浙江）有限公司 | Solder welding mechanism |
| CN111112769B (en) * | 2020-01-20 | 2020-12-29 | 西安精雕精密机械工程有限公司 | Centering and pressing mechanism for mounting blank on electrode chuck |
| CN111645006A (en) * | 2020-04-23 | 2020-09-11 | 龙岩市鹰飞工业设计有限公司 | Dedicated supplementary fixture device of model making |
| CN112719548A (en) * | 2020-12-23 | 2021-04-30 | 无锡市红年金属制品科技有限公司 | Resistance welding tool and welding method |
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| KR100818109B1 (en) * | 2007-03-15 | 2008-03-31 | 주식회사 하이닉스반도체 | Ball attach apparatus for fabrication of ball grid array package |
| CN201089062Y (en) * | 2007-10-19 | 2008-07-23 | 王振乾 | Steel band butting machine |
| CN203124899U (en) * | 2012-12-10 | 2013-08-14 | 上海亨通光电科技有限公司 | Coupling fixture for electric resistance welding |
| CN203371144U (en) * | 2013-05-31 | 2014-01-01 | 常州盛士达传感器有限公司 | Sensor welding tool |
| CN105215600B (en) * | 2015-10-14 | 2017-08-01 | 华东光电集成器件研究所 | A kind of discrete lead apparatus for welding and positioning |
| CN205996344U (en) * | 2016-08-22 | 2017-03-08 | 京信通信技术(广州)有限公司 | Metalwork and the welding system of coaxial cable |
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