CN108760539A - Printed circuit board deformation test equipment - Google Patents
Printed circuit board deformation test equipment Download PDFInfo
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- CN108760539A CN108760539A CN201810786535.4A CN201810786535A CN108760539A CN 108760539 A CN108760539 A CN 108760539A CN 201810786535 A CN201810786535 A CN 201810786535A CN 108760539 A CN108760539 A CN 108760539A
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 229910000679 solder Inorganic materials 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The present invention proposes a kind of printed circuit board deformation test equipment, including：Touching device, including driving part and push rod, driving part is used to provide driving force for push rod, so that the first end of push rod does straight reciprocating motion between the first position and the second position along perpendicular to the direction of printed circuit board；When first end is in first position, first end is mutually squeezed with any solder joint on printed circuit board；When first end is in the second position, first end is separated with printed circuit board.The equipment that the application proposes is used to carry out compressional deformation test to the solder joint on printed circuit board, to substitute manual compression deformation test, ensure that the accuracy and accuracy of test, improves the reliability of test result.
Description
Technical field
The present invention relates to art of printed circuit boards, more particularly to printed circuit board deformation test equipment.
Background technology
Printed circuit board (Printed Circuit Board, pcb board) is the supplier of electronic component connection, electronics member
Part is usually fixed by welding on pcb board, after the welded molding of solder joint of the electronic component on pcb board, in order to verify it
The reliability of welding needs extraction section sample butt welding point to carry out reliability test, and wherein solder joint resistance to stress deformability is one
Item emphasis assesses content.The appraisal procedure of the strain resistant deformability of current butt welding point is：Sample is set to produce by manual compression
Raw deformation, i.e. manual compression make sample deformations about 2mm or so, then unclamp, after repeating the above action to certain number, note
Record observation solder joint cracking situation, due to the bad control of dynamics and stroke of manual compression, the accuracy of test result is not high,
It is ineffective, it often cannot get accurate conclusion.
Therefore, the reliability for improving printed circuit board solder joint non-deformability test result, is that this field is urgently to be resolved hurrily
Problem.
Invention content
The present invention provides a kind of printed circuit board deformation test equipments, to improve printed circuit board solder joint resistance to deformation
The reliability of aptitude tests result.
To solve the above-mentioned problems, it as one aspect of the present invention, provides a kind of printed circuit board deformation test and sets
It is standby, including：
Touching device, including driving part and push rod, driving part are used to for push rod provide driving force, so that the of push rod
One end does straight reciprocating motion between the first position and the second position along perpendicular to the direction of printed circuit board；
When first end is in first position, first end is mutually squeezed with any solder joint on printed circuit board；
When first end is in the second position, first end is separated with printed circuit board.
Optionally, further include：Support device, printed circuit board can be detachably arranged in support device.
Optionally, support device includes spaced first supporting block and the second supporting block；
When printed circuit board is mounted in support device, one end of printed circuit board is detachably arranged in the first support
On block, and/or, the other end of printed circuit board is detachably arranged in the second supporting block.
Optionally, the upper end of the first supporting block is first step structure, and the upper end of the second supporting block is second step
Structure；
First step structure includes first step bottom surface, first step side and first step top surface；Second step structure
Including second step bottom surface, second step side and second step top surface, first step side and second step side are set relatively
It sets；
When printed circuit board is mounted in support device, the both ends of printed circuit board be located at first step bottom surface and
On second step bottom surface, and printed circuit board is clamped on the first supporting block and second by first step side and second step side
Between supporting block.
Optionally, multiple fixed blocks are provided on first step top surface, and/or, it is provided on first step top surface multiple
Fixed block；
Fixed block is used to printed circuit board being fixed on support device.
Optionally, further include tooling table, tooling table includes desktop and the desktop holder being connected with desktop lower surface, is touched
Pressure device is mounted on tooling table.
Optionally, driving part is mounted on desktop upper surface, and opening is offered on desktop, and push rod passes through opening；
When including support device, support device is positioned close to side of the desktop far from desktop upper surface.
Optionally, tooling table further includes bottom plate；
Bottom plate is connected with the one end of desktop holder far from desktop；
Support device being connected on one side close to desktop with bottom plate.
Optionally, a plurality of vertical bar shaped pilot hole being mutually parallel is offered on bottom plate；
When support device includes the first supporting block and the second supporting block,
First supporting block passes through positioning guide and bottom plate slidable connection across vertical bar shaped pilot hole, the first supporting block
It can be slided with respect to the second supporting block along the extending direction of vertical bar shaped pilot hole, to adjust between the first supporting block and the second supporting block
Spacing；
And/or
Second supporting block passes through positioning guide and bottom plate slidable connection across vertical bar shaped pilot hole, the second supporting block
It can be slided with respect to the first supporting block along the extending direction of vertical bar shaped pilot hole, to adjust between the first supporting block and the second supporting block
Spacing.
Optionally, positioning guide is screw or bolt.
Optionally, it is connected with elastic component on the end face of the first end of push rod.
Optionally, the one end of elastic component far from push rod is to press end, presses the sectional dimension at end along the direction far from push rod
It is gradually reduced.
Optionally, further include：Master control set；
Master control set is electrically connected with touching device, for providing control signal for touching device.
Optionally, master control set further includes：Touch control display；
Touch control display is used to generate touching signals according to the touch control operation detected, and master control set is given birth to according to touching signals
At control signal.
Optionally, master control set further includes communicator.
Optionally, further include：Warning device, for sending out alarm signal.
A kind of printed circuit board deformation test equipment proposed by the present invention by controlling driving part, and then controls push rod
First end move back and forth between the first position and the second position, to carrying out extruding shape to the solder joint on printed circuit board
Become test, to substitute manual compression deformation test, ensure that the accuracy and accuracy of test, improve the reliable of test result
Property.
Description of the drawings
Fig. 1 is a kind of composition figure of printed circuit board deformation test equipment in the embodiment of the present invention；
Fig. 2 is a kind of stereogram of printed circuit board deformation test equipment in the embodiment of the present invention；
Fig. 3 is a kind of front view of printed circuit board deformation test equipment in the embodiment of the present invention；
Fig. 4 is a kind of left view of printed circuit board deformation test equipment in the embodiment of the present invention；
Fig. 5 is a kind of vertical view of printed circuit board deformation test equipment in the embodiment of the present invention；
Fig. 6 is the stereogram that printed circuit board deformation test equipment removes after master control set and desktop in Fig. 2.
Reference numeral in figure：1, master control set；2, push rod；21, first end；22, elastic component；3, support device；31,
One supporting block；311, first step bottom surface；312, first step side；313, first step top surface；32, the second supporting block；
321, second step bottom surface；322, second step side；323, second step top surface；33, fixed block；34, positioning guide；4,
Tooling table；41, desktop；411, desktop upper surface；412, desktop lower surface；42, desktop holder；43, bottom plate；431, vertical bar shaped is led
Xiang Kong；5, warning device；6, touch control display；7, communicator.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or device, method, apparatus, product or electric appliance to cover non-exclusive
Those of clearly list step or device, but may include not listing clearly or for these processes, method, product
Or the other steps or device that electric appliance is intrinsic.
In the prior art, for the electric elements being welded on printed circuit board, the weld strength for detecting pad is needed,
Common method, which is butt welding contact application external force, makes its generate Light deformation, repeats the operation to which the welding for detecting pad is strong
Degree, the mode of prior art generally use manual compression apply stress and generate Light deformation, and artificial dynamics control is difficult, causes to detect
Result reliability it is not high, be not achieved expected effect, therefore the application proposes a kind of printed circuit board deformation test equipment, use
In the mode for substituting artificial detection, realizes mechanical automation detection, accurately control dynamics and formation, please refer to Fig. 1-Fig. 6, this Shen
It please propose, printed circuit board deformation test equipment includes：Touching device.Touching device includes driving part and push rod 2, driving
Component is used to provide driving force for push rod 2 so that the first end 21 of push rod 2 along perpendicular to the direction of printed circuit board first
Straight reciprocating is done between position and the second position.The application can also include master control set 1, be electrically connected with touching device,
For providing control signal for touching device.
In the present embodiment, master control set 1, such as can be Programmable logical controller circuit board, it is with power supply unit
It is powered, and the control signal that master control set 1 is sent out to touching device may include first end 21 in first position and second
Reciprocal time between setting, the second position can be the initial positions of push rod 2, that is, when push rod 2 is being powered off or completed back and forth
The position being revert to after movement, first position are the different another locations with the second position, and first position and the second position are adjustable
Section, the spacing between first position and the second position is adjustable, and spacing can be 0-5mm.First end 21 in first position and
The number moved back and forth between the second position can be arranged, and after reaching the number of setting, driving part stops providing drive for push rod
Power, push rod stop.Usually can be first end 21 along push rod axial direction to the side of the second end far from push rod
The position reached after mobile first distance, the first distance can be any distances between 0-5mm, the first distance namely the
The stroke distances of one end 21.Such as push rod can be non-telescoping bar, in the drive for the servo motor that can be used as driving part
It is axially moved back and forth between the first position and the second position along it under dynamic, it would be desirable to which the solder joint for carrying out deformation test is placed on first
Between position and the second position, such as first end 21 is from the second position as initial position, along the axial to separate of push rod
10mm is moved in the direction of the first end 21 of push rod, and axial direction that can be by printed circuit board perpendicular to push rod is arranged, when push rod
Be in contact when first end 21 moves 8mm with the solder joint that detects is needed, the rear push-rod driving force that provides in driving part
Under effect, 2mm is continued to move to so that the deformation of 2mm or so is generated at solder joint, then push rod can stop one at first position
It fixes time, then returns gradually to the second position, tested to complete primary squeeze.Control signal may include that first end 21 moves
Dynamic distance, that is to say, that first position can change, and according to the needs for squeezing test, 21 edge of first end can be arranged
The length of axial movement to change the deflection at solder joint, or is adapted with the printed circuit board of different location.In addition,
Push rod 2 can also be telescopic rod, e.g. by rotating or stretching so that the first end 21 of push rod 2 is pushed away to separate in an axial direction
The direction of the second end of bar 2 is moved, and to reach first position from the second position, is retracted back to the second position again later,
The entire the second end for squeezing push rod 2 in test process remains stationary as.Compared with prior art, the application using driving part and
Push rod carries out the solder joint on printed circuit board and squeezes test, therefore can accurately control the amount of movement of first end 21, ensures
Squeezing that step-length is identical, and deflection is consistent each time, it is preferred to use servo motor is as driving part, with the so-called push rod of lead screw, into
One step improves precision and consistency.The distance between first position and the second position are adjustable, so as to according to different inspections
It surveys and needs, be correspondingly arranged the deflection of solder joint.Optionally, driving part can be hydraulic press, be driven by toggle
Pushrod movement.
Preferably, in some optional embodiments, further include：Support device 3 is used for dismountable fitting printed circuit
Plate, i.e. printed circuit board can be detachably arranged in support device；When printed circuit board be mounted on support device 3 on, and
When first end 21 is in first position, first end 21 is in contact with any solder joint on printed circuit board；Work as printed circuit
Plate is mounted in support device 3, and when first end 21 be in the second position, first end 21 and printed circuit board phase separation.
In the present embodiment, printed circuit board is detachably arranged in support device 3, works as printed circuit board, support dress
It sets 3 and ensure that printed circuit board will not move in entire detection process, to ensure first end 21 always to the same weldering
Point is detected, and is prevented because vibrations cause test point to deviate.Optionally, support device 3 is arranged on latch plate, latch plate packet
The spring for including support plate and being connected with the support plate, the support device are located at one of the latch plate far from the spring
Side, push rod are located at side of the support device far from latch plate, and printed circuit board can be between support device and push rod, and pacifies
In support device, therefore when the printed circuit board on push rod and support device 3 contacts, if the thrust of push rod is too big,
The spring of latch plate will compress, and to prevent causing to damage to printed circuit board, ensure printed circuit board by the way that latch plate is arranged
The stress born will not be excessive.When first end 21 is in the second position, push rod 2 does not connect with any point on printed circuit board
It touches, when first end 21 is moved to first position from the second position, first end 21 is in contact with the solder joint to be detected, this
When first end 21 and the solder joint to be detected between can have extruding force so that printed circuit board generate Light deformation, the two it
Between extruding force be proportional to the deformation quantity of printed circuit board, by controlling the displacement of first end 21 to control printed circuit
Deformation quantity on plate.It is precisely controlled since the displacement of push rod can be realized for example, by servo motor, it can be ensured that deformation
The accuracy of amount.
Preferably, in some optional embodiments, support device 3 includes spaced first supporting block 31 and second
Supporting block 32；When printed circuit board is mounted in support device, one end of the printed circuit board is detachably arranged in institute
It states in the first supporting block, and/or, the other end of the printed circuit board is detachably arranged in second supporting block.Example
The second upper table of the first upper surface and the second supporting block of the first supporting block can be separately fixed at such as the both ends of printed circuit board
On face.
In the present embodiment, when printed circuit board is mounted in support device, the middle part of printed circuit board is hanging, is detected
The middle part of the usual displacement printed circuit board of solder joint of survey is vacantly located, therefore when first end 21 is from where printed circuit board
Plane, axial along push rod is moved to printed circuit board, and when being in contact with detected solder joint, printed circuit board can be to separate
The curving of push rod, to prevent printed circuit board from being damaged caused by the pressure of push rod is excessive.In addition, the first supporting block 31
Spacing between the second supporting block 32 is adjustable, thus can by increase or reduce the spacing before the two to difference
The printed circuit board of length or width is adapted, and greatly expands the size range of printed circuit board that can be detected.Optionally,
First supporting block 31 is identical as the structure of the second supporting block 32, facilitates manufacture.
Preferably, in some optional embodiments, the upper end of first supporting block 31 is first step structure, institute
The upper end for stating the second supporting block 32 is second step structure；
The first step structure includes first step bottom surface 311, first step side 312 and first step top surface 313；
The second step structure includes second step bottom surface 321, second step side 322 and second step top surface 323, and described first
Step side 312 and the second step side 322 are oppositely arranged；
When the printed circuit board is mounted in the support device, the both ends of the printed circuit board are located at institute
It states on first step bottom surface 311 and the second step bottom surface 321, and the printed circuit board is by the first step side
312 and the second step side 322 be clamped between first supporting block 31 and second supporting block 32.
Fig. 3-Fig. 6 is please referred to, in the present embodiment, the upper surface of the first supporting block is close to the edge of the second supporting block 32
It is recessed inwardly to form first step structure, the upper surface of the second supporting block is recessed inwardly shape close to the edge of the first supporting block 31
At second step structure, the plane where first step bottom surface 311 and second step bottom surface 321 can be same plane, first
Plane where step top surface 313 and second step top surface 323 can be same plane, and printed circuit board is mounted on support device
It when on 3, can be moved along the extending direction of first step bottom surface 311, the extending direction and the first supporting block 31 and second support
The septal direction of block 32 intersects, to realize the case where not moving the first supporting block 31 and the second supporting block 32 to movement
Printed circuit board, so as to the solder joint for facilitating change detected.It optionally, can be in the first supporting block and the second supporting block phase
To surface on open up two sliding slots respectively, the opening of two sliding slots is opposite and parallel, and the both ends of printed circuit board are inserted into respectively
In two sliding slots, so that printed circuit board can be moved along the extending direction of sliding slot, the extending direction of sliding slot can be different
In the septal direction of the first supporting block and the second supporting block.
Preferably, multiple fixed blocks 33 are provided in some optional embodiments, on first step top surface 313, and/
Or, being provided with multiple fixed blocks 33 on first step top surface 313；Fixed block 33 is used to printed circuit board being fixed on support device
On 3.
Please refer to Fig. 2-Fig. 6, fixed block 33, for example, can be fixed by screws in first step top surface 313 and upper, Gu
Determining block 33 can rotate around screw so that projection of the fixed block 33 on first step bottom surface 311 is mutually be overlapped with first step bottom surface
It is folded or be not overlapped, it, can be with when projection of the fixed block 33 on first step bottom surface 311 and first step bottom surface 311 overlap
It is stationary state, one end of printed circuit board can be fixed block 33 and squeeze between fixed block and first step bottom surface at this time
Pressing is scheduled in support device 3.When rotation fixed block 33 is so that projection and First of the fixed block 33 in first step bottom surface 311
Can be opening state when rank bottom surface is not overlapped, printed circuit board is not fixed the fixation of block 33 at this time.The number of fixed block 33 can
To be multiple, the length direction along first step top surface 313 and/or second step top surface 323 is intervally arranged, optionally,
Number is 2 or more, preferably 10.By the way that fixed block 33 is arranged, more convenient printed circuit board can be fixed on support
It is taken off on device 3 or from support device 3.
Preferably, further include tooling table 4 in some optional embodiments, including desktop 41 and with desktop lower surface
The 412 desktop holders 42 being connected.Optionally, master control set 1 is mounted on desktop upper surface 411, is offered out on desktop 41
Mouthful, push rod 2 passes through opening；Support device 3 is positioned close to side of the desktop 41 far from desktop upper surface 411.
In the present embodiment, master control set 1 is mounted on tooling table 4, driving part can be mounted on master control set
Together, to increase total weight, stability is improved.The equipment that the application proposes is because be the welding feelings for detecting smaller solder joint
Condition, so higher for the positioning requirements between first end 21 and solder joint, in detection process first end 21 be detected
Solder joint between should not relatively move, therefore, master control set 1 and driving part can be all fixed on tooling table 4,
It prevents first end 21 from detecting the offset of solder joint caused by vibration when moving back and forth, ensures aligning accuracy.
Preferably, in some optional embodiments, tooling table 4 further includes bottom plate 43；Bottom plate 43 is remote with desktop holder 42
One end from desktop 41 is connected；Being connected on one side close to desktop 41 with bottom plate 43 of support device 3.In order to prevent in detection work
It is detected in journey and is relatively moved between solder joint and first end 21, so the equipment of the application is all connected on tooling table 4,
Therefore the relative movement between each device can be prevented, so that when 21 butt welding point of first end carries out pinch detection
Wait, each device all will not because driving part be driven caused by displacement, to ensure accurate contraposition between first end 21 and solder joint.
Preferably, in some optional embodiments, a plurality of vertical bar shaped pilot hole being mutually parallel is offered on bottom plate 43
431；When support device 3 includes the first supporting block 31 and the second supporting block 32, the first supporting block 31 is by passing through vertical bar shaped to lead
To the positioning guide 34 and 43 slidable connection of bottom plate in hole, the first supporting block 31 can be along the extending direction phase of vertical bar shaped pilot hole
Second supporting block is slided, to adjust the spacing between first supporting block, 31 and second supporting block 32；And/or second
Bracer 32 passes through the positioning guide 34 and 43 slidable connection of bottom plate across vertical bar shaped pilot hole, 32 energy edge of the second supporting block
The extending direction of vertical bar shaped pilot hole is slided with respect to the first supporting block 31, to adjust first supporting block, 31 and second supporting block
Spacing between 32.Optionally, positioning guide 34 is screw or bolt.
In the present embodiment, vertical bar shaped pilot hole is the channel that the first supporting block 31 or the second supporting block 32 move, and is played
Positioning and the effect being oriented to, the first supporting block 31 and the second supporting block 32 the prolonging in vertical bar shaped pilot hole by positioning guide 34
The opposite sliding in direction is stretched, to adjust spacing between the two, to be adapted to various sizes of printed circuit board.Bar shaped pilot hole
Number can be 2 or 3.
Preferably, in some optional embodiments, elastic component 22 is connected on the end face of the first end 21 of push rod 2.
Optionally, rubber material preparation may be used in elastic component 22.It is contacted repeatedly between first end 21 and solder joint, it is possible to butt welding point
Remaining circuit in addition causes to damage, therefore preferably uses elastic component 22 to prevent first end 21 from being caused to printed circuit board
Unnecessary damage.In this application, elastic component can be removably socketed in first end, you can to replace as needed
Elastic component, for different solder joints, welding spot size is inconsistent, cannot be satisfied detection needs using unified elastic component, therefore adopt
With detachable setting, elastic component can be replaced according to specific needs.
Preferably, in some optional embodiments, Fig. 3 is please referred to, the one end of elastic component 22 far from push rod is to press
End, the sectional dimension for pressing end are gradually reduced along the direction far from push rod 2.Detected welding spot size is often smaller, and push rod
Sectional dimension it is often larger, it is therefore desirable to setting presses end and is gradually reduced close to one end sectional dimension of detected solder joint,
It is adapted with detected solder joint, and without reducing the size of push rod, if push rod is undersized, process when repeatedly
In be easily bent deformation.Present application addresses the problems, are ensureing the intensity that ensure that push rod compatible with solder joint,
Prevent its deformation.
Preferably, in some optional embodiments, further include：Warning device 5, warning device 5 are electrically connected with master control set 1
It connects.When the equipment that the application proposes occurs abnormal, alarm user to avoid danger by warning device 5.In addition, working as
For first end 21 when reciprocal number reaches preset value between the first position and the second position, warning device 5 will also send out light
Signal or voice signal prompt user, driving part to stop providing driving force, push rod stop motion.
Preferably, in some optional embodiments, further include：Touch control display 6；Touch control display 6 is used for according to inspection
The touch control operation measured sends touching signals to master control set 1, and master control set 1 generates control signal according to touching signals.Touch-control
Display 6 can be integrated with master control set 1, such as can be touching display screen, be moved for first end 21 to be arranged
Distance, that is, stroke that the second position needs to walk to first position, can also be arranged first end 21 in first position and
Reciprocal number between the second position can also control driving part pause or stop.Optionally, further include：Communicator 7, with
Master control set 1 is electrically connected.Can be any electrical interface or wireless communication module, for transmitting number with mobile terminal or computer end
According to, or for being programmed control to master control set 1.
In order to better illustrate the advantageous effect of the application, a preferred embodiment set forth below.
In the present embodiment, the control stroke set by master control set realizes the accurate and consistency for squeezing step-length.Row
Journey, that is, the distance between first position and the second position can adjust between 0~5mm, and can complete different deformation degree can
By property test.The testing time set by master control set, that is, first end are past between the first position and the second position
Multiple number, automatic to count, when reaching default testing time, driving part stops, while warning device generates buzzing report
Alert prompt.In the present embodiment, the fixing device of printed circuit board can arbitrarily adjust the weldering, it can be achieved that any element thereon
Point carries out reliability test.Touch control display plate is connected on master control set, the relevant parameter of test is by the way of touch key-press
It is configured.
The equipment that the present embodiment proposes includes by 12V supply units, master control set, driving part, warning device, communicator
And touch control display.Driving part driving push rod moves, to push the rubber contact positioned at first end in initial position
It is moved back and forth between (second position) and setting position point (first position).Meanwhile also by moveable first supporting block, second
Supporting block fixing printed circuit plate.When in use, after the 12V means of power of the equipment, each device is in ready state, first
The " set " button on touch control display is clicked, relevant operating parameter, such as stroke and reciprocal time are set to master control set
Number, master control set stores relevant parameter, and touch function signal caused by the touch by basis carries out push rod downlink in real time
It is acted with uplink, rubber contact moves back and forth between initial point (second position) and test point (first position), pre- when reaching
If number of run when, push rod stopping action, while warning device carry out sound-light alarm, prompt this test complete.It ran
Cheng Zhong, " pause " that can also click on touch control display temporarily stop test.Can also manual mode operation, click touch-control show
" uplink " or " downlink " button on device, push rod drive rubber contact push rod to act uplink, downlink.In addition, the application proposes
Equipment also have communicator, such as communication interface, it can be achieved that function with other device talks.
In the present embodiment, the first supporting block and the second supporting block are respectively fixed on by 2 screws on the bottom plate of tooling table,
Screw passes through the vertical bar shaped pilot hole on bottom plate so that the first supporting block and the second supporting block can be relatively moved to adjust the two
Between spacing, to meet the fixation of different size of printed circuit board.
A kind of printed circuit board deformation test equipment proposed by the present invention by controlling driving part, and then controls push rod
First end move back and forth between the first position and the second position, to carrying out extruding shape to the solder joint on printed circuit board
Become test, to substitute manual compression deformation test, ensure that the accuracy and accuracy of test, improve the reliable of test result
Property.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of printed circuit board deformation test equipment, which is characterized in that including：
Touching device, including driving part and push rod (2), the driving part are used to provide driving force for the push rod (2), with
Make first end (21) edge of the push rod (2) perpendicular to the direction of printed circuit board, between the first position and the second position
Do straight reciprocating motion；
When the first end (21) is in the first position, the first end (21) and any on printed circuit board
Solder joint mutually squeezes；
When the first end (21) is in the second position, the first end (21) and the printed circuit board phase point
From.
2. printed circuit board deformation test equipment according to claim 1, which is characterized in that further include：Support device
(3), the printed circuit board can be detachably arranged in the support device.
3. printed circuit board deformation test equipment according to claim 2, which is characterized in that support device (3) packet
Include spaced first supporting block (31) and the second supporting block (32)；
When the printed circuit board is mounted in the support device, one end of the printed circuit board is detachably arranged in
In first supporting block, and/or, the other end of the printed circuit board is detachably arranged in second supporting block.
4. printed circuit board deformation test equipment according to claim 3, which is characterized in that first supporting block (31)
Upper end be first step structure, the upper end of second supporting block (32) is second step structure；
The first step structure includes first step bottom surface (311), first step side (312) and first step top surface
(313)；The second step structure includes second step bottom surface (321), second step side (322) and second step top surface
(323), the first step side (312) and the second step side (322) are oppositely arranged；
When the printed circuit board is mounted in the support device, the both ends of the printed circuit board are located at described the
On one bench floor (311) and the second step bottom surface (321), and the printed circuit board is by the first step side
(312) it is clamped between first supporting block (31) and second supporting block (32) with the second step side (322).
5. printed circuit board deformation test equipment according to claim 4, which is characterized in that the first step top surface
(313) multiple fixed blocks (33) are provided on, and/or, it is provided with multiple fixed blocks on the first step top surface (313)
(33)；
The fixed block (33) is used to the printed circuit board being fixed on the support device (3).
6. according to claim 1-5 any one of them printed circuit board deformation test equipments, which is characterized in that further include tooling
Table (4), the tooling table include desktop (41) and the desktop holder (42) being connected with desktop lower surface (412), described to touch
Pressure device is mounted on the tooling table.
7. printed circuit board deformation test equipment according to claim 6, which is characterized in that
The driving part is mounted on desktop upper surface (411), and opening, the push rod (2) are offered on the desktop (41)
Across the opening；
When including support device (3), the support device (3) is positioned close to the desktop (41) far from the desktop upper table
The side in face (411).
8. printed circuit board deformation test equipment according to claim 7, which is characterized in that the tooling table (4) is also wrapped
Include bottom plate (43)；
The bottom plate (43) is connected with the one end of the desktop holder (42) far from the desktop (41)；
The support device (3) being connected on one side close to the desktop (41) with the bottom plate (43).
9. printed circuit board deformation test equipment according to claim 8, which is characterized in that opened up on the bottom plate (43)
There is a plurality of vertical bar shaped pilot hole (431) being mutually parallel；
When the support device (3) includes the first supporting block (31) and the second supporting block (32),
First supporting block (31) passes through the positioning guide (34) and the bottom plate (43) across the vertical bar shaped pilot hole
Slidable connection, first supporting block (31) can be along the extending directions relatively described second of the vertical bar shaped pilot hole (431)
Supporting block is slided, to adjust the spacing between first supporting block (31) and second supporting block (32)；
And/or
Second supporting block (32) passes through the positioning guide (34) and the bottom plate (43) across the vertical bar shaped pilot hole
Slidable connection, second supporting block (32) can be along the extending directions relatively described first of the vertical bar shaped pilot hole (431)
Supporting block (31) is slided, to adjust the spacing between first supporting block (31) and second supporting block (32).
10. printed circuit board deformation test equipment according to claim 9, which is characterized in that the positioning guide
(34) it is screw or bolt.
11. according to claim 1-5,7-10 any one of them printed circuit board deformation test equipment, which is characterized in that described
It is connected with elastic component (22) on the end face of the first end (21) of push rod (2).
12. printed circuit board deformation test equipment according to claim 11, which is characterized in that the elastic component (22) is remote
One end from the push rod is to press end, and the sectional dimension for pressing end is gradually reduced along the direction far from the push rod (2).
13. according to claim 1-5,7-10 or 12 any one of them printed circuit board deformation test equipments, which is characterized in that
Further include：Master control set (1)；
The master control set (1), is electrically connected with the touching device, for providing control signal for the touching device.
14. printed circuit board deformation test equipment according to claim 13, which is characterized in that the master control set (1)
Further include：Touch control display (6)；
The touch control display (6) is used to generate touching signals, master control set (1) basis according to the touch control operation detected
The touching signals generate the control signal.
15. according to claim 13 any one of them printed circuit board deformation test equipment, which is characterized in that the master control dress
It further includes communicator (7) to set (1).
16. special according to any one of them printed circuit board deformation test equipment of claim 1-5,7-10,12,14 or 15
Sign is, further includes：Warning device (5), for sending out alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786535.4A CN108760539A (en) | 2018-07-17 | 2018-07-17 | Printed circuit board deformation test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786535.4A CN108760539A (en) | 2018-07-17 | 2018-07-17 | Printed circuit board deformation test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108760539A true CN108760539A (en) | 2018-11-06 |
Family
ID=63970404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810786535.4A Pending CN108760539A (en) | 2018-07-17 | 2018-07-17 | Printed circuit board deformation test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760539A (en) |
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| CN111735590A (en) * | 2020-06-30 | 2020-10-02 | 联想(北京)有限公司 | Detection device |
| CN111751089A (en) * | 2020-06-30 | 2020-10-09 | 联想(北京)有限公司 | Detection device and detection method |
| CN117647727A (en) * | 2024-01-30 | 2024-03-05 | 丰顺县锦顺科技有限公司 | Equipment for detecting PCB rigid circuit board |
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