CN106181102A - A kind of solderability test dynamometry frock being conveniently adjusted solder positions - Google Patents
A kind of solderability test dynamometry frock being conveniently adjusted solder positions Download PDFInfo
- Publication number
- CN106181102A CN106181102A CN201610597350.XA CN201610597350A CN106181102A CN 106181102 A CN106181102 A CN 106181102A CN 201610597350 A CN201610597350 A CN 201610597350A CN 106181102 A CN106181102 A CN 106181102A
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- China
- Prior art keywords
- iron core
- solder
- flat board
- chute
- displacement transducer
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- 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
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
Abstract
The invention discloses a kind of solderability test dynamometry frock being conveniently adjusted solder positions, the first iron core, the scale mechanism of the second iron core is hung respectively including two ends, first iron core connects sample clamp, side arranges displacement transducer, and the second iron core side arranges solenoid；Also include controller, amplifying circuit；Displacement transducer detects the displacement of the first iron core, and transmits to controller；The displacement transducer signal accepted is passed through A/D converting transmission to recording equipment by controller；It is electric current output by the displacement transducer signal accepted by linear transfor simultaneously, and transmits to amplifying circuit；The Current amplifier that amplifying circuit will be passed through, and transmit to solenoid.And by solder containing part realize solder bath four direction all can realize mobile with adjust.The present invention, in order to realize raising Weldability detector dynamometric system reset sensitivity, simultaneously facilitates the purpose being adjusted solder present position.
Description
Technical field
The present invention relates to Weldability detector field, concretely relate to a kind of solderability being conveniently adjusted solder positions
Test dynamometry frock.
Background technology
Solderability is tested, and refers to by solderable to components and parts, pcb board, PAD, solder and scaling powder etc. of wetting balance method
Connect performance and do a qualitative and quantitative assessment.To 1 grade (IC encapsulation) of modern electronics industry and 2 grades, (electronic devices and components are assembled into
Printed substrate) technique be required for the high-quality technology that is connected, and the welding procedure of high-quality and zero-fault has pole
Big help.Solderability test is generally used for doing the solderable performance of components and parts, printed circuit board, solder and scaling powder etc.
One qualitative and quantitative assessment.In the erection welding technique of electronic product, welding quality directly affects the quality of complete machine.Cause
This, in order to improve welding quality, in addition to strict control technological parameter, in addition it is also necessary to carry out printed circuit board and electronic devices and components
The solderability test of science.Dynamometric system is the important component part of Weldability detector, for quantitative test sample
Suffered buoyancy and wetting tension.But the dynamometric system of existing Weldability detector, its automatically reset speed is slow, sensitive
Degree has much room for improvement；Meanwhile, need sample inserts the measurement carrying out buoyancy and wetting tension in solder, and under molten condition
Solder temperature higher, be not easy to be adjusted by manpower, once sample length is inadequate, then can bring to test job
Inconvenience.
Summary of the invention
The present invention proposes a kind of solderability test dynamometry frock being conveniently adjusted solder positions, of the prior art to solve
The problems referred to above, it is achieved improve Weldability detector dynamometric system reset sensitivity, simultaneously facilitate and solder present position is adjusted
Whole purpose.
The present invention is achieved through the following technical solutions:
A kind of solderability test dynamometry frock being conveniently adjusted solder positions, including scale mechanism, the two ends of described scale mechanism
Hanging the first iron core, the second iron core respectively, the first iron core lower end connects sample clamp, and the first iron core side arranges displacement sensing
Device, the second iron core side arranges solenoid；The underface of described sample clamp arranges solder containing part；Also include controller,
Amplifying circuit；
Institute's displacement sensors detects the displacement of the first iron core, and transmits to controller；
The displacement transducer signal accepted is passed through A/D converting transmission to recording equipment by described controller；The most also will be connect
The displacement transducer signal being subject to is that electric current exports by linear transfor, and transmits to amplifying circuit；
The Current amplifier that described amplifying circuit will be passed through, and transmit to solenoid；
Described solder containing part includes lowering or hoisting gear, and described lowering or hoisting gear is fixed with rectangular first flat board, described first
Flat board upper surface is provided with the first chute along long axis direction, and the first flat board upper surface is provided with the second flat board, described second flat board
Slide along the first chute；Described second flat board upper surface is provided with the second chute, described second chute and the first chute and hangs down
Directly, the second flat board being provided with the sliding shoe along the second slide, described sliding shoe surface configuration has solder bath.
For existing Weldability detector device for measuring force, its automatically reset speed is slow, sensitivity has much room for improvement asks
Topic；Meanwhile, the solder under molten condition is not easy to carry out the problem of position adjustment, and the present invention proposes one and is conveniently adjusted solder position
The solderability test dynamometry frock put, it is achieved Rapid reset, improves reset sensitivity, simultaneously facilitates and highly carry out residing for solder
The purpose adjusted.The present invention tests by being fixed on by sample on described sample clamp, and the lower section of sample clamp sets
Put solder containing part, the solder under molten condition is loaded in solder containing part, by adjusting height and the position of solder containing part
Put so that sample contacts with solder.Sample enters after solder bath, by the solder under molten condition buoyancy and
The effect of wetting tension, can produce small displacement, thus drive sample clamp and be connected to first above sample clamp
Iron core produces small movement, and this moves and is caught and transmit by institute's displacement sensors to controller, described controller one side
This signal is carried out record by A/D converting transmission to recording equipment by face, the displacement simultaneously transmitted according to displacement transducer again
Size, is translated into electric current output.Wherein, linear transfor i.e. refers to that displacement is the biggest, and electric current is the biggest；Displacement is the least, and electric current is more
Little.The electricity that controller is exported is streamed to amplifying circuit, is amplified through existing amplifying circuit, and transmission is to described electricity afterwards
Magnetic coil.This electric current is as the driving electric current of solenoid, this electric current, after driving, solenoid produces electromagnetic field, the second ferrum
Core is acted on by electromagnetic force in this electromagnetic field, from Ampere's law, i.e. can the other end of described scale mechanism produce with
The equilibrant that buoyancy suffered by sample is equal in magnitude, in opposite direction with wetting tension so that scale mechanism can be at electromagnetism
Quickly return to poised state under the effect of effect, thus reach automatically to be rapidly performed by resetting, improving Weldability detector survey
The effect of Force system reset sensitivity.
Described solder containing part includes lowering or hoisting gear, lowering or hoisting gear rectangular first flat board fixed above, the first flat board
On the second chute is set, the second flat board slides along the first chute, is i.e. can to carry out along the long axis direction of the first flat board
Slide, adjust second flat board position at left and right directions with this.Additionally, described second flat board upper surface is provided with the second chute,
The sliding shoe along the second slide it is provided with on second flat board.Owing to the second chute is vertical with the first chute, therefore sliding shoe
Glide direction vertical with the glide direction of the second flat board, with this realize solder bath four direction all can realize mobile with adjust
Whole, thus realize quickly height, the position of solder being adjusted, make sample pin just to purpose.
Preferably, described recording equipment is computer.By existing Computerized image processing system, general that can be real-time
Displacement transducer signal size is converted into curve and shows, is i.e. to carry out the buoyancy suffered by sample with wetting tension
Visual display, it is simple to staff grasps the solderability of sample the most accurately.
Preferably, institute's displacement sensors is differential transformer displacement transducer.Differential transformer displacement transducer,
Also known as LVDT sensor, including outer tube, inner tube, coil, front and rear cover, circuit board, screen layer, outlet etc., part is constituted.Outer tube
Employing rustless steel is made, and inner tube can use rustless steel or plastics etc..The effect of circuit board is to provide the primary winding one of LVDT
Pumping signal, by differential transformer principle, the output signal entrance circuit board produced in secondary carries out signal processing, makes output
Signal becomes voltage 0-5V or 4-20mA that can be used by computer or PLC of standard and exports.LVDT sensor is for iron core
Axially-movable is very sensitive, and radial motion is relatively blunt, by this characteristic thus get rid of such as other extraneous factors such as air flowings
To the interference measured, make the displacement measured by sensor concentrate on iron core axial direction, be i.e. to concentrate on suffered by sample
The direction of buoyancy and wetting tension, the precision improving sensor with this and accuracy.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, a kind of solderability test dynamometry frock being conveniently adjusted solder positions of the present invention, hangs the first ferrum respectively by two ends
Core, the scale mechanism of the second iron core, connect sample clamp in the first iron core lower end, and the first iron core side arranges displacement transducer,
Second iron core side arranges solenoid；Sample is acted on produced small displacement by buoyancy and wetting tension,
Being caught and transmit by institute's displacement sensors to controller, on the one hand this signal is passed through A/D converting transmission by described controller
Record is carried out to recording equipment, the displacement size simultaneously transmitted according to displacement transducer again, it is translated into electric current and exports extremely
Described solenoid.Solenoid produces electromagnetic field, and the second iron core is acted on by electromagnetic force in this electromagnetic field, at described balance
The other end of mechanism produces the equilibrant equal in magnitude, in opposite direction with the buoyancy suffered by sample and wetting tension so that
Scale mechanism can quickly return to bascule under the effect of galvanomagnetic-effect, thus reach automatically to be rapidly performed by reset,
Improve the effect of Weldability detector dynamometric system reset sensitivity；
2, a kind of solderability test dynamometry frock being conveniently adjusted solder positions of the present invention, realizes solder bath by solder containing part
All can realize mobile at four direction and adjust, thus realizing quickly height, the position of solder being adjusted, making detected sample
Product pin just purpose to solder bath.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of one specific embodiment of the present invention；
Fig. 2 is the structural representation of solder containing part in one specific embodiment of the present invention；
Fig. 3 is the sectional view of A-A line of direction along Fig. 2.
Wherein: 1-the first iron core, 2-the second iron core, 3-scale mechanism, 4-sample clamp, 5-displacement transducer, 6-electromagnetism
Coil, 7-controller, 8-amplifying circuit, 9-recording equipment, 10-solder containing part, 11-lowering or hoisting gear, 12-the first flat board, 13-
Second flat board, 14-the second chute, 15-sliding shoe, 16-solder bath, 17-the first chute.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1:
A kind of solderability test dynamometry frock being conveniently adjusted solder positions as shown in Figure 1 to Figure 3, including scale mechanism 3, institute
Stating the two ends of scale mechanism 3 and hang first iron core the 1, second iron core 2 respectively, the first iron core 1 lower end connects sample clamp 4, and first
Iron core 1 side arranges displacement transducer 5, and the second iron core 2 side arranges solenoid 6；The underface of described sample clamp 4 is arranged
Solder containing part 10；Also include controller 7, amplifying circuit 8；Institute's displacement sensors 5 detects the displacement of the first iron core 1, and passes
Transport to controller 7；Displacement transducer 5 signal accepted is passed through A/D converting transmission to recording equipment 9 by described controller 7；With
Time be also electric current output by displacement transducer 5 signal accepted by linear transfor, and transmit to amplifying circuit 8；Described amplification
The Current amplifier that circuit 8 will be passed through, and transmit to solenoid 6；Described recording equipment 9 is computer；Described displacement sensing
Device 5 is differential transformer displacement transducer.
Described solder containing part 10 includes lowering or hoisting gear 11, and described lowering or hoisting gear 11 is fixed with rectangular first flat board
12, described first flat board 12 upper surface is provided with the first chute 17 along long axis direction, and the first flat board 12 upper surface is provided with second
Flat board 13, described second flat board 13 slides along the first chute 17；Described second flat board 13 upper surface is provided with the second chute
14, described second chute 14 is vertical with the first chute 17, and the second flat board 13 is provided with the sliding shoe slided along the second chute 14
15, described sliding shoe 15 surface configuration has solder bath 16.After sample enters solder bath 16, by the solder under molten condition
Buoyancy and the effect of wetting tension, small displacement can be produced, thus drive sample clamp 4 and be connected to sample clamp 4
First iron core 1 of top produces small movement, and this moves and is caught and transmit by institute's displacement sensors 5 to controller 7, institute
State controller 7 one aspect and this signal is carried out record by A/D converting transmission to recording equipment 9, simultaneously again according to displacement sensing
The displacement size that device 5 is transmitted, is translated into electric current output.Wherein, linear transfor i.e. refers to that displacement is the biggest, and electric current is the biggest；
Displacement is the least, and electric current is the least.The electricity that controller 7 is exported is streamed to amplifying circuit 8, puts through existing amplifying circuit 8
Greatly, transmission afterwards is to described solenoid 6.This electric current is as the driving electric current of solenoid 6, this electric current after driving, electromagnetism
Coil 6 produces electromagnetic field, and the second iron core 2 is acted on by electromagnetic force in this electromagnetic field, from Ampere's law, and i.e. can be described
The other end of scale mechanism 3 produces the equilibrant equal in magnitude, in opposite direction with the buoyancy suffered by sample and wetting tension,
Make scale mechanism 3 can quickly return to poised state under the effect of galvanomagnetic-effect, thus reach automatically to be rapidly performed by
Reset, the effect of raising Weldability detector dynamometric system reset sensitivity.
Described solder containing part 10 includes lowering or hoisting gear 11, lowering or hoisting gear 11 rectangular first flat board 12 fixed above,
Arranging the second chute 14 on first flat board 12, the second flat board 13 slides along the first chute 17, is i.e. can be flat along first
The long axis direction of plate 12 slides, and adjusts the second flat board 13 in the position of left and right directions with this.Additionally, described second flat board 13
Upper surface is provided with the second chute 14, and the second flat board 13 is provided with the sliding shoe 15 slided along the second chute 14.Due to second
Chute 14 is vertical with the first chute 17, and therefore the glide direction of sliding shoe 15 is vertical, with this with the glide direction of the second flat board 13
Realize solder bath 16 all to realize mobile at four direction and adjust, thus realize quickly height, the position of solder being carried out
Adjust, make sample pin just to purpose.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (3)
1. the solderability test dynamometry frock being conveniently adjusted solder positions, it is characterised in that: include scale mechanism (3), institute
The two ends stating scale mechanism (3) hang the first iron core (1), the second iron core (2) respectively, and the first iron core (1) lower end connects specimen holder
Tool (4), the first iron core (1) side arranges displacement transducer (5), and the second iron core (2) side arranges solenoid (6)；Described sample
The underface of product fixture (4) arranges solder containing part (10)；Also include controller (7), amplifying circuit (8)；
The displacement of the first iron core (1) detects in institute's displacement sensors (5), and transmits to controller (7)；
Described controller (7) by displacement transducer (5) signal that accepted by A/D converting transmission to recording equipment (9)；Simultaneously
It is also electric current output by displacement transducer (5) signal accepted by linear transfor, and transmits to amplifying circuit (8)；
The Current amplifier that described amplifying circuit (8) will be passed through, and transmit to solenoid (6)；
Described solder containing part (10) includes lowering or hoisting gear (11), described lowering or hoisting gear (11) is fixed with rectangular first flat
Plate (12), described first flat board (12) upper surface is provided with the first chute (17), the first flat board (12) upper surface along long axis direction
Being provided with the second flat board (13), described second flat board (13) is slided along the first chute (17)；On described second flat board (13)
Surface configuration has the second chute (14), and described second chute (14) is vertical with the first chute (17), and the second flat board (13) is upper to be arranged
Having the sliding shoe (15) slided along the second chute (14), described sliding shoe (15) surface configuration has solder bath (16).
A kind of solderability test dynamometry frock being conveniently adjusted solder positions the most according to claim 1, it is characterised in that:
Described recording equipment (9) is computer.
A kind of solderability test dynamometry frock being conveniently adjusted solder positions the most according to claim 1 and 2, its feature exists
In: institute's displacement sensors (5) is differential transformer displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597350.XA CN106181102A (en) | 2016-07-26 | 2016-07-26 | A kind of solderability test dynamometry frock being conveniently adjusted solder positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597350.XA CN106181102A (en) | 2016-07-26 | 2016-07-26 | A kind of solderability test dynamometry frock being conveniently adjusted solder positions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106181102A true CN106181102A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597350.XA Pending CN106181102A (en) | 2016-07-26 | 2016-07-26 | A kind of solderability test dynamometry frock being conveniently adjusted solder positions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106181102A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783804A (en) * | 1993-07-23 | 1995-03-31 | Sony Corp | Solderability test device |
| CN101153837A (en) * | 2006-09-29 | 2008-04-02 | 廖树帜 | Dynamic testing method and system for wetting property |
-
2016
- 2016-07-26 CN CN201610597350.XA patent/CN106181102A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783804A (en) * | 1993-07-23 | 1995-03-31 | Sony Corp | Solderability test device |
| CN101153837A (en) * | 2006-09-29 | 2008-04-02 | 廖树帜 | Dynamic testing method and system for wetting property |
Non-Patent Citations (2)
| Title |
|---|
| 燕青: "润湿平衡仪的研究与开发", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
| 陈义平: "《微型计算机及应用》", 31 December 1986 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |