CN109443156A - A kind of pcb board height of pin on back surface detection device - Google Patents
A kind of pcb board height of pin on back surface detection device Download PDFInfo
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- CN109443156A CN109443156A CN201811592410.4A CN201811592410A CN109443156A CN 109443156 A CN109443156 A CN 109443156A CN 201811592410 A CN201811592410 A CN 201811592410A CN 109443156 A CN109443156 A CN 109443156A
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- stage body
- rod
- pcb board
- pin
- testing stand
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
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- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of pcb board height of pin on back surface detection devices, including device noumenon, described device ontology is connected with external PLC controller and receives the control of the PLC controller, described device ontology includes pedestal, first testing stand, second testing stand and test section, first testing stand is located at the top side of the pedestal, first testing stand is fixedly linked with the pedestal, second testing stand is located at the top other side of the pedestal, second testing stand is moved with the pedestal to be connected, the present invention can rapidly detect the pcb board back side all pins whether superelevation, it is easy to operate, it is easy to use, greatly improve Detection accuracy and detection efficiency, reduce labor intensity and production cost, the pcb board of different size different-thickness is applicable to for pin on back surface difference The detection demand of limit for height standard.
Description
Technical field
The present invention relates to pcb board detection device technical field, in particular to a kind of pcb board height of pin on back surface detection dress
It sets.
Background technique
PCB (Printed Circuit Board) plate, Chinese is printed circuit board, also known as printed circuit board, is weight
The electronic component wanted is the supporter of electronic component, is the carrier of electronic component electrical connection.Pcb board develops from single layer
To two-sided, multilayer and flexibility, and still keep respective development trend.Due to constantly to high-precision, high density and height
Reliability direction is developed, constantly diminution volume, reduction cost, raising performance, so that development of the printed board in future electronic equipment
In engineering, powerful vitality is still maintained.
And the pcb board load of electronic equipment is welded after various electronic components, the pin of electronic component is prominent in PCB
The back side of plate, in order to guarantee that pcb board can be installed smoothly in subsequent use, avoid pin with installation carrier have it is improper contact,
Pin height outstanding must be limited.However due to the pin length, installation site and people of various electronic components
There are difference for work operation etc., not can guarantee all pins and meet the requirements, it is therefore desirable to carry out to each pin height outstanding
Detection.It is first by manually estimating preliminary assessment currently, detection relies primarily on artificial range estimation progress with jig measurement in conjunction with, then by controlling
Tool measurement further determines whether superelevation, and this mode Detection accuracy is low, there are the risk of erroneous detection missing inspection, and detection efficiency
Lowly, labor intensity is increased, production cost is also increased.
Summary of the invention
(1) the technical issues of solving
To solve the above-mentioned problems, it the present invention provides a kind of pcb board height of pin on back surface detection device, can rapidly examine
Survey the pcb board back side all pins whether superelevation, it is easy to operate, it is easy to use, greatly improve Detection accuracy and detection effect
Rate reduces labor intensity and production cost, is applicable to the pcb boards of different size different-thickness for pin on back surface not
With the detection demand of limit for height standard.
(2) technical solution
A kind of pcb board height of pin on back surface detection device, including device noumenon, described device ontology and external PLC are controlled
Device processed is connected and receives the control of the PLC controller, and described device ontology includes pedestal, the first testing stand, the second detection
Frame and test section, first testing stand are located at the top side of the pedestal, and first testing stand is fixed with the pedestal
It is connected, second testing stand is located at the top other side of the pedestal, and second testing stand moves phase with the pedestal
Even, the test section is horizontal is connected between first testing stand and second testing stand.
Further, the pedestal includes base body and sliding block, and first testing stand is fixed on the base body
Top side, the top of the base body is equipped with the sliding slot being recessed inwardly, and one end of the sliding slot is close to the pedestal sheet
The other side of body, for the other end of the sliding slot close to first testing stand, the sliding block is embedded at the inside of the sliding slot, institute
Stating sliding block can move horizontally along the sliding slot, and the top of the sliding block connects second testing stand.
Further, first testing stand include the first supporting table and the first height adjustment mechanism, described first
Supportting platform includes the first stage body, the first vacuum pump, the first vacuum slot, the first spindle motor and the first alarm lamp, the First
Body is connected with the top side of the base body, and first vacuum pump and first spindle motor are fixed on described
The bottom inside of one stage body, first vacuum slot are located at the top side of first stage body, first vacuum slot
Close to the sliding slot, the first air inlet pipe of first vacuum pump through first stage body top and with first vacuum
Suction nozzle is connected, the downtake pipe of first vacuum pump through first stage body side and with atmospheric environment phase
Connection, first alarm lamp are located at the front outside of first stage body, first vacuum pump, first spindle motor
Signal output end with first alarm lamp with the PLC controller is electrical connected, first height adjustment mechanism position
In the top other side of first stage body, first height adjustment mechanism includes the first fixed frame, the first screw rod and first
Link block, first fixed frame are L-type structure, and the vertical part of first fixed frame is connected with the top of first stage body
It connects, first screw rod is equipped between the transverse part of first fixed frame and first lead screw motor, first screw rod
One end and the transverse part of first fixed frame are hinged, and the other end of first screw rod runs through the top of first stage body simultaneously
It is connected with the output shaft of first lead screw motor, first link block is located at the upper surface of described first screw rod, and described
The lateral surface of one link block connects one end of the test section.
Further, second testing stand includes the second supporting table, the second height adjustment mechanism and hand push, and described the
Two supporting tables and second height adjustment mechanism and first supporting table and first height adjustment mechanism mirror image each other,
Second supporting table includes the second stage body, the second vacuum pump, the second vacuum slot, the second spindle motor and the second alarm lamp,
Second stage body is fixed on the top of the sliding block, and second vacuum pump and second spindle motor are fixed on described
The bottom inside of two stage bodies, second vacuum slot are located at the top side of second stage body, second vacuum pump
Second air inlet pipe through second stage body top and be connected with second vacuum slot, the of second vacuum pump
Two exhaust pipes through second stage body side and be connected with atmospheric environment, second alarm lamp is located at described the
The front outside of two stage bodies, second vacuum pump, second spindle motor and second alarm lamp are controlled with the PLC
The signal output end of device processed is electrical connected, and second height adjustment mechanism is located at the top other side of second stage body, institute
Stating the second height adjustment mechanism includes the second fixed frame, the second screw rod and the second link block, and second fixed frame is L-type knot
Be connected at the top of structure, the vertical part of second fixed frame and second stage body, the transverse part of second fixed frame with it is described
Second screw rod is equipped between second lead screw motor, one end of second screw rod and the transverse part of second fixed frame are mutually cut with scissors
It connects, the other end of second screw rod runs through the top of second stage body and is connected with the output shaft of second lead screw motor
It connects, second link block is located at the upper surface of described second screw rod, and the lateral surface of second link block connects the test section
The other end, the hand push is located on side of second stage body far from first stage body.
Further, first vacuum pump selects PHW600B minipump, described in first vacuum pump receives
The control signal of PLC controller output simultaneously forms vacuum or negative pressure at first vacuum slot；First lead screw motor
RS-380SH type stepper motor is selected, first lead screw motor receives the control signal of the PLC controller output and drives
First screw rod is made forward or reverse；First alarm lamp is red and green color LED light, and first alarm lamp receives
The control signal of the PLC controller output and the anomaly detection signal for feeding back first crash sensor.
Further, the test section includes the first testing agency, the second testing agency and connector, first inspection
The upper surface of described first link block is fixed in the one end for surveying mechanism, and the other end of first testing agency passes through the connector
It is connected with one end of second testing agency, the other end of second testing agency is fixed on second link block
Above, first testing agency and second testing agency level are staggered；First testing agency leads including first
To bar, the first guide ring, the first baseline rod and the first driving lever, one end of first guide rod is connected with first link block
It connects, the other end and the connector of first guide rod are fixedly linked, and first guiding coollar is set to described first and leads
To the upper surface of bar, first guide ring can be moved horizontally along first guide rod, and the bottom of first guide ring connects
The centre of first baseline rod is connect, first baseline rod is horizontal and orthogonal with first guide rod, and described first
The inside of baseline rod is equipped with the first crash sensor, the signal input part of first crash sensor and the PLC controller
It is electrical connected, the top of first guide ring connects first driving lever；Second testing agency include the second guide rod,
Second guide ring, the second baseline rod, the second driving lever and gag lever post, one end of second guide rod and the second link block phase
The other end of connection, second guide rod through the connector and stretches out in outer, second guide rod and described first
Guide rod is to be parallel to each other on horizontal plane, and the gag lever post is located at the other end bottom of second guide rod, the gag lever post
Most lower edge be more than the connector most lower edge, second guiding coollar is set to the upper surface of described second guide rod, described
For second guide ring between second link block and the connector, second guide ring can be along second guiding
Bar moves horizontally, and the bottom of second guide ring connects the centre of second baseline rod, and second baseline rod is in level
Shape and orthogonal with second guide rod, the inside of second baseline rod are equipped with the second crash sensor, second collision
Sensor and the signal input part of the PLC controller are electrical connected, described second group of the top connection of second guide ring
Bar.
Further, second vacuum pump selects PHW600B minipump, described in second vacuum pump receives
The control signal of PLC controller output simultaneously forms vacuum or negative pressure at second vacuum slot, second vacuum pump with
The first vacuum pump synchronous working；Second lead screw motor selects RS-380SH type stepper motor, the second screw rod electricity
Machine receives the control signal of the PLC controller output and second screw rod is driven to make forward or reverse, second screw rod
Motor works asynchronously with first lead screw motor；Second alarm lamp is red and green color LED light, second alarm
Lamp receives the control signal of the PLC controller output and feeds back the anomaly detection signal of second crash sensor.
Further, first crash sensor selects RB-02S033A type piezoelectric effect formula crash sensor, institute
It states the first crash sensor and feeds back whether first baseline rod collides with pin and will test the PLC control of signal feeding
The signal input part of device processed；Second crash sensor also selects RB-02S033A type piezoelectric effect formula crash sensor, institute
It states the second crash sensor and feeds back whether second baseline rod collides with pin and will test the PLC control of signal feeding
The signal input part of device processed.
(3) beneficial effect
The present invention provides a kind of pcb board height of pin on back surface detection device, the second testing stand can be through sliding block along sliding slot
It moves horizontally, hand push facilitates stress, and easy to operate, while the second testing stand is mobile, the synchronous adjustment of the second guide rod is worn
Enter the length of connector, to adjust the distance between the second testing stand and the first testing stand, different size pcb board back can be met
The detection demand of face height of pin；Pcb board is lain in a horizontal plane in above the first stage body and the second stage body, makes pin on back surface upward,
First vacuum pump forms vacuum or negative pressure at the first vacuum slot, can one end to pcb board firmly adsorb, the second vacuum pump
Vacuum or negative pressure are formed at the second vacuum slot, can the other end to pcb board firmly adsorb, to complete to pcb board
Absorption positioning, avoid pcb board in detection process from being displaced and influence Detection accuracy and detection efficiency, improve stability and
Reliability；PLC controller controls the first lead screw motor and the second screw rod synchronous working, respectively drives the first screw rod and the second screw rod
Rotation, makes the first link block and the second link block while rising or falling, so as to adjust the detection height of test section, can meet not
The detection demand of stack pile pcb board height of pin on back surface can also meet detection of the pcb board for pin on back surface difference limit for height standard
Demand；Before detection height adjusts, the first baseline rod and the second baseline rod are moved to state side by side, slightly push first
Driving lever moves horizontally the first guide ring along the first guide rod toward the direction of pcb board one end with the first baseline rod, works as the back side
Pin can block the first baseline rod to the first crash sensor of triggering when being more than limit for height standard, the first alarm lamp is made to alarm
It reminds, continues to move to detect after can quickly being handled the pin on back surface of superelevation, then slightly push the second driving lever, make
Second guide ring is moved horizontally with the second baseline rod along the direction of the second guide rod toward the pcb board other end, works as pin on back surface
The second baseline rod can be blocked when more than limit for height standard to the second crash sensor of triggering, so that the second alarm lamp is carried out alarm and mentioned
It wakes up, continues to move to detect after can quickly being handled the pin on back surface of superelevation, until smoothly slipping on entire pcb board
Side, indicate the pcb board qualification, thus can rapidly detect the pcb board back side all pins whether superelevation, it is easy to operate, use
It is convenient, Detection accuracy and detection efficiency are greatly improved, labor intensity and production cost are reduced；Its structure is simple,
Ingenious in design, system power dissipation is low, and detection accuracy is high, fast response time, stability and good reliability, have good practicability and
Scalability is applicable to detection demand of the pcb board for pin on back surface difference limit for height standard of different size different-thickness.
Detailed description of the invention
Fig. 1 is a kind of external structure schematic diagram of pcb board height of pin on back surface detection device according to the present invention.
Fig. 2 is a kind of the schematic diagram of the section structure of pcb board height of pin on back surface detection device according to the present invention.
Fig. 3 is a kind of section detailed construction schematic diagram of pcb board height of pin on back surface detection device according to the present invention.
Fig. 4 is a kind of external detailed construction schematic diagram of pcb board height of pin on back surface detection device according to the present invention.
Fig. 5 is a kind of test section structural schematic diagram of pcb board height of pin on back surface detection device according to the present invention.
Fig. 6 is a kind of System Working Principle figure of pcb board height of pin on back surface detection device according to the present invention.
Specific embodiment
Embodiment according to the present invention is described in further detail with reference to the accompanying drawing.
In conjunction with FIG. 1 to FIG. 6, a kind of pcb board height of pin on back surface detection device, including device noumenon, device noumenon and outer
The PLC controller in portion is connected and receives the control of PLC controller, and device noumenon includes pedestal 1, the inspection of the first testing stand 2, second
It surveys frame 3 and test section 4, the first testing stand 2 is located at the top side of pedestal 1, the first testing stand 2 is fixedly linked with pedestal 1, and second
Testing stand 3 is located at the top other side of pedestal 1, and the second testing stand 3 is moved with pedestal 1 to be connected, and test section 4 is horizontal to be connected to
Between first testing stand 2 and the second testing stand 3；Pedestal 1 includes base body 11 and sliding block 13, and the first testing stand 2 is fixed on bottom
The top side of seat ontology 11, the top of base body 11 are equipped with the sliding slot 12 being recessed inwardly, and one end of sliding slot 12 is close to pedestal
The other side of ontology 11, for the other end of sliding slot 12 close to the first testing stand 2, sliding block 13 is embedded at the inside of sliding slot 12, sliding block 13
It can be moved horizontally along sliding slot 12, the top of sliding block 13 connects the second testing stand 3；First testing stand 2 includes the first supporting table 21
With the first height adjustment mechanism 22, the first supporting table 21 includes the first stage body 211, the first vacuum pump 212, the first vacuum slot
213, the first spindle motor 214 and the first alarm lamp 215, the first stage body 211 are connected with the top side of base body 11, the
One vacuum pump 212 and the first spindle motor 214 are fixed on the bottom inside of the first stage body 211, and the first vacuum slot 213 is located at the
The top side of one stage body 211, the first vacuum slot 213 are passed through close to sliding slot 12, the first air inlet pipe 2121 of the first vacuum pump 212
It wears the top of the first stage body 211 and is connected with the first vacuum slot 213, the downtake pipe 2122 of the first vacuum pump 212 passes through
It wears the side of the first stage body 211 and is connected with atmospheric environment, the first alarm lamp 215 is located at the front of the first stage body 211
Outside, the first vacuum pump 212, the first spindle motor 214 and the first alarm lamp 215 are electric with the signal output end of PLC controller
Property be connected, the first height adjustment mechanism 22 is located at the top other side of the first stage body 211, and the first height adjustment mechanism 22 includes the
One fixed frame 221, the first screw rod 222 and the first link block 223, the first fixed frame 221 are L-type structure, the first fixed frame 221
Vertical part is connected with the top of the first stage body 211, and the is equipped between the transverse part of the first fixed frame 221 and the first lead screw motor 214
One screw rod 222, one end of the first screw rod 222 and the transverse part of the first fixed frame 221 are hinged, and the other end of the first screw rod 222 passes through
It wears the top of the first stage body 211 and is connected with the output shaft of the first lead screw motor 214, the first link block 223 is located at first
The upper surface of bar 222, the one end in the lateral surface connecting detection portion 4 of the first link block 223；Second testing stand 3 includes the second supporting table
31, the second height adjustment mechanism 32 and hand push 33, the second supporting table 31 and the second height adjustment mechanism 32 and the first supporting table 21
Mirror image, the second supporting table 31 are true including the second stage body 311, the second vacuum pump 312, second each other with the first height adjustment mechanism 22
Suction mouth 313, the second spindle motor 314 and the second alarm lamp 315, the second stage body 311 are fixed on the top of sliding block 13, and second is true
Sky pump 312 and the second spindle motor 314 are fixed on the bottom inside of the second stage body 311, and the second vacuum slot 313 is located at second
The top side of body 311, the second air inlet pipe 3121 of the second vacuum pump 312 through the second stage body 311 top and with it is second true
Suction mouth 313 is connected, and the second exhaust pipe 3122 of the second vacuum pump 312 is through the side of the second stage body 311 and big with the external world
Compression ring border is connected, and the second alarm lamp 315 is located at the front outside of the second stage body 311, the second vacuum pump 312, the second lead screw electricity
Machine 314 and the second alarm lamp 315 are electrical connected with the signal output end of PLC controller, and the second height adjustment mechanism 32 is located at
The top other side of second stage body 311, the second height adjustment mechanism 32 include the second fixed frame 321, the second screw rod 322 and second
Link block 323, the second fixed frame 321 are L-type structure, and the vertical part of the second fixed frame 321 is connected with the top of the second stage body 311
It connects, the second screw rod 322, one end of the second screw rod 322 is equipped between the transverse part of the second fixed frame 321 and the second lead screw motor 314
Be hinged with the transverse part of the second fixed frame 311, the other end of the second screw rod 322 through the second stage body 311 top and with second
The output shaft of lead screw motor 314 is connected, and the second link block 323 is located at the upper surface of second screw rod 322, the second link block 323
The other end in lateral surface connecting detection portion 4, hand push 33 are located on side of second stage body 311 far from the first stage body 211；Test section
4 include the first testing agency 41, the second testing agency 42 and connector 43,
The upper surface of first link block 223, the other end of the first testing agency 41 are fixed in one end of first testing agency 41
It is connected by connector 43 with one end of the second testing agency 42, the other end of the second testing agency 42 is fixed on the second connection
The upper surface of block 323, the first testing agency 41 and 42 level of the second testing agency are staggered；First testing agency 41 leads including first
To bar 411, the first guide ring 412, the first baseline rod 413 and the first driving lever 414, one end of the first guide rod 411 connects with first
It connects block 223 to be connected, the other end and the connector 43 of the first guide rod 411 are fixedly linked, and the first guide ring 412 is sheathed on first
The upper surface of guide rod 412, the first guide ring 412 can be moved horizontally along the first guide rod 411, the bottom of the first guide ring 412
The centre of the first baseline rod 413 is connected, the first baseline rod 413 is horizontal and orthogonal with the first guide rod 411, the first baseline rod
413 the inside is equipped with the first crash sensor, and the signal input part of the first crash sensor and PLC controller is electrical connected, the
The top of one guide ring 412 connects the first driving lever 414；Second testing agency 42 includes the second guide rod 421, the second guide ring
422, the second baseline rod 423, the second driving lever 424 and gag lever post 425, one end and 42 phase of the second link block of the second guide rod 421
Connection, the other end through-connections 43 of the second guide rod 421 simultaneously stretch out in outer, the second first guide rod of guide rod 421 and 411
To be parallel to each other on horizontal plane, gag lever post 425 is located at the other end bottom of the second guide rod 421, and the most lower edge of gag lever post 425 is super
Cross the most lower edge of connector 43, the second guide ring 422 is sheathed on the upper surface of second guide rod 421, and the second guide ring 422 is located at the
Between two link blocks 323 and connector 43, the second guide ring 422 can be moved horizontally along the second guide rod 421, the second guide ring
422 bottom connects the centre of the second baseline rod 423, and the second baseline rod 423 is horizontal and orthogonal with the second guide rod 411,
The inside of second baseline rod 423 is equipped with the second crash sensor, the signal input part electricity of the second crash sensor and PLC controller
Property be connected, the top of the second guide ring 422 connects the second driving lever 424；External power supply is device noumenon power supply, external power supply the
One crash sensor, the second crash sensor, PLC controller, the first true 212 empty pump, 312 second vacuum pumps, 214 first screw rods
Motor, the second lead screw motor 314, the first second alarm lamp of alarm lamp 215 and 315 provide operating voltage.
According to the different sizes of pcb board to be measured, sliding block 13, the second testing stand are moved horizontally along sliding slot 12 by hand push 33
3 follow sliding block 13 to move together, meanwhile, one end of connector 43 is fixedly linked with the first guide rod 411, due to the first testing stand
2 is fixed, and connector 43 also keeps relatively motionless, and the other end of 421 through-connections 43 of the second guide rod, when the second inspection
When survey frame 3 moves horizontally, the second guide rod 421 is also moved horizontally in the inside of connector 43, therefore adjustable second detection
The distance between frame 3 and the first testing stand 2, to meet the detection demand of different size pcb board height of pin on back surface.Hand push 33
Facilitate stress, operates very simple.Gag lever post 425 prevents the second guide rod 421 from detaching above connector 43, ensure that
Stability and reliability.
The adjustment of the distance between second testing stand 3 and the first testing stand 2 finishes, and pcb board to be measured is lain in a horizontal plane in first
The upper surface of stage body 211 and the second stage body 311, make pin on back surface upward, and one end of pcb board is pressed against on the first vacuum slot 213
Face, the other end of pcb board are pressed against above the second vacuum slot 313.Device noumenon is connected into external power supply, while being controlled in PLC
The running parameter of the setting of device end the first vacuum pump 212 and the second vacuum pump 312 processed, setting finish, and drive 212 He of the first vacuum pump
Second vacuum pump 312 synchronous working.First vacuum pump 212 and the second vacuum pump 312 select PHW600B minipump, body
Product is small and exquisite, and oil-free environmental protection, low noise is non-maintaining, can operate within continuous 24 hours.According to the running parameter of setting, the first vacuum
Pump 212 forms vacuum or negative pressure by the first air inlet pipe 2121 at the first vacuum slot 213, thus by one end jail of pcb board
Jail adsorbs, and the gas of extraction is again introduced into atmospheric environment through downtake pipe 2122, similarly, the second vacuum pump 312
Vacuum or negative pressure are also formed at the second vacuum slot 313 by the second air inlet pipe 3121, thus firmly by the other end of pcb board
Adsorb, the gas of extraction is again introduced into atmospheric environment through second exhaust pipe 3122, to complete absorption to pcb board
Positioning, avoiding being collided due to the pin on back surface of superelevation with baseline rod in detection process is caused pcb board to be displaced and influenced
Detection accuracy and detection efficiency, improve stability and reliability.
Positioning finishes, and the first baseline rod 413 and the second baseline rod 423 is first moved to state side by side, further according to be measured
The different-thickness of pcb board, or the limit for height standard different for pin on back surface, the detection that setting needs at PLC controller end are high
Degree controls the first lead screw motor 214 and the second lead screw motor 314 synchronous working.First lead screw motor 214 and the second lead screw motor
314 select RS-380SH type stepper motor, the step frequency of motor can be very easily set, to adjust the rotation of drive shaft
Rotational speed rate.First lead screw motor 214 and the second lead screw motor 314 drive the rotation of its output shaft, to drive the first screw rod respectively
222 and second screw rod 322 rotate, the first screw rod 222 and the second screw rod 322 carry out height according to the number of threads of precession or back-out
Adjustment.First screw rod 222 rises or falls with the first link block 223, so that the detection height of the first testing agency 41 is adjusted,
Second screw rod 322 rises or falls with the second link block 323 is synchronous, so that the detection for adjusting the second testing agency 42 is high
Degree, can meet the detection demand of different-thickness pcb board height of pin on back surface, can also meet pcb board and pin on back surface difference is limited
The detection demand of high standard.
Detection height adjustment finishes, and starts to detect height of pin on back surface.It is slight to push the first driving lever 414, make the
One guide ring 412 is moved horizontally with the first baseline rod 413 along the direction of first guide rod 411 toward pcb board one end, works as the back side
Pin can block the first baseline rod 413 to the first crash sensor of triggering, the choosing of the first crash sensor when being more than limit for height standard
With RB-02S033A type piezoelectric effect formula crash sensor, it is based on piezoelectric effect, the voltage signal of output variation when being collided,
Sensitivity and precision are very high, numeral output, can be direct-connected with PLC controller, enormously simplify circuit structure.PLC controller connects
The first alarm lamp 215 progress warning reminding is controlled after receiving anomaly detection signal, the first alarm lamp 215 is red and green color LED indication
Lamp shows green under normal circumstances, and is switched to red by green when triggering alarm, very clear and intuitive.It at this time can be artificial
It continues to move to the first baseline rod 413 after quickly the pin on back surface of superelevation is handled to detect, until one end of pcb board.
Then the second driving lever 424 is slightly pushed, keeps the second guide ring 422 past along the second guide rod 421 with the second baseline rod 423
The direction of the pcb board other end moves horizontally, and can block the second baseline rod 423 when pin on back surface is more than limit for height standard to trigger
Second crash sensor, the second crash sensor equally select RB-02S033A type piezoelectric effect formula crash sensor, PLC control
Device controls the second alarm lamp 315 progress warning reminding after receiving anomaly detection signal, and the second alarm lamp 315 is also red and green color
LED light continues to move to the second baseline rod 423 and examines after can manually quickly being handled the pin on back surface of superelevation at this time
It surveys, until the other end of pcb board indicates pcb board qualification to smoothly slip over above entire pcb board, thus can rapidly examine
Survey the pcb board back side all pins whether superelevation, it is easy to operate, it is easy to use, greatly improve Detection accuracy and detection effect
Rate reduces labor intensity and production cost.
The present invention provides a kind of pcb board height of pin on back surface detection device, the second testing stand can be through sliding block along sliding slot
It moves horizontally, hand push facilitates stress, and easy to operate, while the second testing stand is mobile, the synchronous adjustment of the second guide rod is worn
Enter the length of connector, to adjust the distance between the second testing stand and the first testing stand, different size pcb board back can be met
The detection demand of face height of pin；Pcb board is lain in a horizontal plane in above the first stage body and the second stage body, makes pin on back surface upward,
First vacuum pump forms vacuum or negative pressure at the first vacuum slot, can one end to pcb board firmly adsorb, the second vacuum pump
Vacuum or negative pressure are formed at the second vacuum slot, can the other end to pcb board firmly adsorb, to complete to pcb board
Absorption positioning, avoid pcb board in detection process from being displaced and influence Detection accuracy and detection efficiency, improve stability and
Reliability；PLC controller controls the first lead screw motor and the second screw rod synchronous working, respectively drives the first screw rod and the second screw rod
Rotation, makes the first link block and the second link block while rising or falling, so as to adjust the detection height of test section, can meet not
The detection demand of stack pile pcb board height of pin on back surface can also meet detection of the pcb board for pin on back surface difference limit for height standard
Demand；Before detection height adjusts, the first baseline rod and the second baseline rod are moved to state side by side, slightly push first
Driving lever moves horizontally the first guide ring along the first guide rod toward the direction of pcb board one end with the first baseline rod, works as the back side
Pin can block the first baseline rod to the first crash sensor of triggering when being more than limit for height standard, the first alarm lamp is made to alarm
It reminds, continues to move to detect after can quickly being handled the pin on back surface of superelevation, then slightly push the second driving lever, make
Second guide ring is moved horizontally with the second baseline rod along the direction of the second guide rod toward the pcb board other end, works as pin on back surface
The second baseline rod can be blocked when more than limit for height standard to the second crash sensor of triggering, so that the second alarm lamp is carried out alarm and mentioned
It wakes up, continues to move to detect after can quickly being handled the pin on back surface of superelevation, until smoothly slipping on entire pcb board
Side, indicate the pcb board qualification, thus can rapidly detect the pcb board back side all pins whether superelevation, it is easy to operate, use
It is convenient, Detection accuracy and detection efficiency are greatly improved, labor intensity and production cost are reduced；Its structure is simple,
Ingenious in design, system power dissipation is low, and detection accuracy is high, fast response time, stability and good reliability, have good practicability and
Scalability is applicable to detection demand of the pcb board for pin on back surface difference limit for height standard of different size different-thickness.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and range is defined.Without departing from the design concept of the invention, ordinary people in the field is to technology of the invention
The all variations and modifications that scheme is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
It is all described in the claims.
Claims (8)
1. a kind of pcb board height of pin on back surface detection device, including device noumenon, described device ontology and external PLC are controlled
Device is connected and receives the control of the PLC controller, it is characterised in that: described device ontology include pedestal, the first testing stand,
Second testing stand and test section, first testing stand are located at the top side of the pedestal, first testing stand with it is described
Pedestal is fixedly linked, and second testing stand is located at the top other side of the pedestal, second testing stand and the pedestal
Removable to be connected, the test section is horizontal to be connected between first testing stand and second testing stand.
2. a kind of pcb board height of pin on back surface detection device according to claim 1, it is characterised in that: the pedestal packet
Base body and sliding block are included, first testing stand is fixed on the top side of the base body, the top of the base body
Portion is equipped with the sliding slot being recessed inwardly, and one end of the sliding slot is close to the other side of the base body, the other end of the sliding slot
Close to first testing stand, the sliding block is embedded at the inside of the sliding slot, and the sliding block can be moved along the sliding slot level
Dynamic, the top of the sliding block connects second testing stand.
3. a kind of pcb board height of pin on back surface detection device according to claim 2, it is characterised in that: first inspection
Surveying frame includes the first supporting table and the first height adjustment mechanism, and first supporting table includes the first stage body, the first vacuum pump, the
One vacuum slot, the first spindle motor and the first alarm lamp, first stage body are connected with the top side of the base body
It connects, first vacuum pump and first spindle motor are fixed on the bottom inside of first stage body, first vacuum
Suction nozzle is located at the top side of first stage body, first vacuum slot close to the sliding slot, first vacuum pump
First air inlet pipe through first stage body top and be connected with first vacuum slot, the of first vacuum pump
One exhaust pipe through first stage body side and be connected with atmospheric environment, first alarm lamp is located at described the
The front outside of one stage body, first vacuum pump, first spindle motor and first alarm lamp are controlled with the PLC
The signal output end of device processed is electrical connected, and first height adjustment mechanism is located at the top other side of first stage body, institute
Stating the first height adjustment mechanism includes the first fixed frame, the first screw rod and the first link block, and first fixed frame is L-type knot
Be connected at the top of structure, the vertical part of first fixed frame and first stage body, the transverse part of first fixed frame with it is described
First screw rod is equipped between first lead screw motor, one end of first screw rod and the transverse part of first fixed frame are mutually cut with scissors
It connects, the other end of first screw rod runs through the top of first stage body and is connected with the output shaft of first lead screw motor
It connects, first link block is located at the upper surface of described first screw rod, and the lateral surface of first link block connects the test section
One end.
4. a kind of pcb board height of pin on back surface detection device according to claim 2, it is characterised in that: second inspection
It surveys frame and includes the second supporting table, the second height adjustment mechanism and hand push, second supporting table and the second height adjustment machine
Structure and first supporting table and first height adjustment mechanism mirror image each other, second supporting table include the second stage body,
Second vacuum pump, the second vacuum slot, the second spindle motor and the second alarm lamp, second stage body are fixed on the sliding block
Top, second vacuum pump and second spindle motor are fixed on the bottom inside of second stage body, and described second is true
Suction mouth is located at the top side of second stage body, and the second air inlet pipe of second vacuum pump is through second stage body
Top is simultaneously connected with second vacuum slot, and the second exhaust pipe of second vacuum pump runs through the side of second stage body
Face is simultaneously connected with atmospheric environment, and second alarm lamp is located at the front outside of second stage body, and described second is true
Sky pump, the signal output end of second spindle motor and second alarm lamp with the PLC controller are electrical connected, institute
The top other side that the second height adjustment mechanism is located at second stage body is stated, second height adjustment mechanism includes second solid
Determine frame, the second screw rod and the second link block, second fixed frame is L-type structure, the vertical part of second fixed frame with it is described
It is connected at the top of second stage body, described second is equipped between the transverse part of second fixed frame and second lead screw motor
Bar, one end of second screw rod and the transverse part of second fixed frame are hinged, and the other end of second screw rod runs through institute
It states the top of the second stage body and is connected with the output shaft of second lead screw motor, second link block is located at described second
The upper surface of screw rod, the lateral surface of second link block connect the other end of the test section, and the hand push is located at described second
On side of the stage body far from first stage body.
5. a kind of pcb board height of pin on back surface detection device according to claim 3, it is characterised in that: described first is true
Sky pump selects PHW600B minipump, and first vacuum pump receives the control signal of the PLC controller output and in institute
It states and forms vacuum or negative pressure at the first vacuum slot；First lead screw motor selects RS-380SH type stepper motor, and described the
One lead screw motor receives the control signal of the PLC controller output and first screw rod is driven to make forward or reverse；It is described
First alarm lamp is red and green color LED light, and first alarm lamp receives the control signal of the PLC controller output simultaneously
Feed back the anomaly detection signal of first crash sensor.
6. a kind of pcb board height of pin on back surface detection device according to claim 4, it is characterised in that: the test section
Including the first testing agency, the second testing agency and connector, one end of first testing agency is fixed on described first and is connected
The upper surface of block is connect, the other end of first testing agency is connected by the connector with one end of second testing agency
It connects, the other end of second testing agency is fixed on the upper surface of described second link block, first testing agency and described
Second testing agency's level is staggered；First testing agency include the first guide rod, the first guide ring, the first baseline rod and
First driving lever, one end of first guide rod are connected with first link block, the other end of first guide rod with
The connector is fixedly linked, and first guiding coollar is set to the upper surface of described first guide rod, and first guide ring can
It is moved horizontally along first guide rod, the bottom of first guide ring connects the centre of first baseline rod, described
First baseline rod is horizontal and orthogonal with first guide rod, and the inside of first baseline rod is equipped with the first collision sensing
Device, first crash sensor and the signal input part of the PLC controller are electrical connected, the top of first guide ring
Connect first driving lever；Second testing agency includes the second guide rod, the second guide ring, the second baseline rod, second group
Bar and gag lever post, one end of second guide rod are connected with second link block, the other end of second guide rod
It through the connector and stretches out in outside, second guide rod is to be parallel to each other on horizontal plane with first guide rod, institute
The other end bottom that gag lever post is located at second guide rod is stated, the most lower edge of the gag lever post is more than the most lower of the connector
Edge, second guiding coollar are set to the upper surface of described second guide rod, and second guide ring is located at second link block
Between the connector, second guide ring can be moved horizontally along second guide rod, second guide ring
Bottom connects the centre of second baseline rod, and second baseline rod is horizontal and orthogonal with second guide rod, institute
The inside for stating the second baseline rod is equipped with the second crash sensor, the signal of second crash sensor and the PLC controller
Input terminal is electrical connected, and the top of second guide ring connects second driving lever.
7. a kind of pcb board height of pin on back surface detection device according to claim 4, it is characterised in that: described second is true
Sky pump selects PHW600B minipump, and second vacuum pump receives the control signal of the PLC controller output and in institute
Formation vacuum or negative pressure, second vacuum pump at the second vacuum slot is stated to work asynchronously with first vacuum pump；Described
Two lead screw motors select RS-380SH type stepper motor, and second lead screw motor receives the control of the PLC controller output
Signal simultaneously drives second screw rod to make forward or reverse, second lead screw motor work synchronous with first lead screw motor
Make；Second alarm lamp is red and green color LED light, and second alarm lamp receives the control of the PLC controller output
Signal processed and the anomaly detection signal for feeding back second crash sensor.
8. a kind of pcb board height of pin on back surface detection device according to claim 6, it is characterised in that: described first touches
It hits sensor and selects RB-02S033A type piezoelectric effect formula crash sensor, first crash sensor feeds back first base
Whether quasi- bar collides with pin and will test the signal input part that signal is sent into the PLC controller；Second collision
Sensor also selects RB-02S033A type piezoelectric effect formula crash sensor, and second crash sensor feeds back second base
Whether quasi- bar collides with pin and will test the signal input part that signal is sent into the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592410.4A CN109443156A (en) | 2018-12-25 | 2018-12-25 | A kind of pcb board height of pin on back surface detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592410.4A CN109443156A (en) | 2018-12-25 | 2018-12-25 | A kind of pcb board height of pin on back surface detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443156A true CN109443156A (en) | 2019-03-08 |
Family
ID=65535555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811592410.4A Withdrawn CN109443156A (en) | 2018-12-25 | 2018-12-25 | A kind of pcb board height of pin on back surface detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443156A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906832A (en) * | 2019-11-04 | 2020-03-24 | 上海天庹智能设备有限公司 | Negative pressure positioning and measuring device and measuring method thereof |
| CN111007386A (en) * | 2019-12-04 | 2020-04-14 | 珠海格力智能装备有限公司 | Test equipment |
| TWI838169B (en) * | 2023-03-15 | 2024-04-01 | 英業達股份有限公司 | Device and method for measuring pin length of electronic component |
-
2018
- 2018-12-25 CN CN201811592410.4A patent/CN109443156A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906832A (en) * | 2019-11-04 | 2020-03-24 | 上海天庹智能设备有限公司 | Negative pressure positioning and measuring device and measuring method thereof |
| CN111007386A (en) * | 2019-12-04 | 2020-04-14 | 珠海格力智能装备有限公司 | Test equipment |
| CN111007386B (en) * | 2019-12-04 | 2022-05-24 | 珠海格力智能装备有限公司 | Test equipment |
| TWI838169B (en) * | 2023-03-15 | 2024-04-01 | 英業達股份有限公司 | Device and method for measuring pin length of electronic component |
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Application publication date: 20190308 |
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